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Use libarchive instead of tar-bytestring

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Julian Ospald 2020-07-04 23:33:48 +02:00
parent 9717a1c00f
commit bed2cca8d2
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214 changed files with 133849 additions and 18 deletions
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*.chs linguist-language=Haskell

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*.swp
.ghc.environment*
tags
*.prof
*.hp
*.eventlog
dist-newstyle
*.tar
*.chi
*.chs.h
.hspec-failures
.stack-work
libarchive-*.tar.*
libarchive-*/

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---
- functions:
- {name: undefined, within: []}
- {name: traceShowId, within: []}
- {name: print, within: []}
- {name: traceShow, within: []}
- {name: nullPtr, within: [Codec.Archive.Unpack, Codec.Archive.Foreign.Archive]}
- error: {lhs: "if p then x else pure ()", rhs: "when p x"}
- ignore: {name: Use lambda-case}
- fixity: infixr 8 .*
- fixity: infixr 8 .**

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--fail-fast
--failure-report .hspec-failures
--rerun
--rerun-all-on-success

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---
steps:
- simple_align:
cases: true
top_level_patterns: true
records: true
- imports:
align: global
list_align: after_alias
pad_module_names: true
long_list_align: inline
empty_list_align: inherit
list_padding: 4
separate_lists: true
space_surround: false
- language_pragmas:
style: vertical
align: true
remove_redundant: false
- trailing_whitespace: {}
columns: 160
newline: native
language_extensions: [FlexibleContexts]

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# libarchive
## 2.2.5.0
* Speed improvements in places
* Add `throwArchiveM` convenience function
## 2.2.4.0
* Add convenience functions for `.xar` archives
## 2.2.3.0
* Add convenience functions for working with `.cpio` archives
## 2.2.2.0
* Add `Ord` instance to `Entry`, `Symlink`, `EntryContent`, `Ownership`
* Make `content` field of `Entry` lazy
* Add `Eq` instance to `ArchiveEncryption`
## 2.2.1.0
* Add `Exception` instance for `ArchiveResult`
## 2.2.0.2
* Use `bracket` where it doesn't crash GHC
## 2.2.0.1
* Use `bracket` in a few places where it doesn't crash GHC
## 2.2.0.0
* Haskell `Entry` type now includes `Symlink` field
## 2.1.3.2
* Fix segfault in strict function
## 2.1.3.0
* `archiveVersionString` &c. are now pure
## 2.1.2.1
* Fixed bug that would cause segfaults on lazy bytestrings with large chunks
## 2.1.2.0
* More complete API
## 2.1.1.0
* Remove weeds, export things that were missing from past releases
## 2.1.0.1
* `packEntries` and friends now detect hardlinks
* Add `Cabal` to `custom-setup` depends to ensure builds work with stack
## 2.1.0.0
* Remove `archiveEntryAclNext` since it doesn't exist in the static linked
library. This means `libarchive` can be used in profiling builds.
## 2.0.0.2
* Export `FilePtr` type constructor
* Clean up spurious code
## 2.0.0.1
* Polish documentation
## 2.0.0.0
* Fix typo in documentation
* Improve docs
* `archiveReadOpenMemory` now accepts an argument of type `Ptr a` rather
than `Ptr CChar`
* `unpackToDirLazy`, `unpackArchive`, and `archiveUnpackToDir` now occur in the `ArchiveM` monad
* `readArchiveBSL` and `readArchiveBS` now return `Either ArchiveResult [Entry]` rather than
failing silently
* `readArchiveFile` now returns an `ArchiveM [Entry]` rather than returning an
`IO [Entry]`
* `enriesToFile`, `entriesToFile7Zip`, and `entriesToFileZip` now occur in the
`ArchiveM` monad
* Make various parts of an `Entry` optional
* Add `packToFile` functions and `packFiles` functions
* Remove `ArchiveError` newtype, replace it with `ArchiveResult`
* Fix bug in `archiveEntryMTimeIsSet`
* Add `archiveEntryACLEntryInherited`, `archiveEntryACLStyleSolaris`,
`archiveEntryACLStyleSeparatorComma`, `archiveEntryACLStyleCompact`
* Add `archiveReadDiskNoAcl`, `archiveReadDiskNoFFlags`
* Depend on `libarchive` >= 3.4.0
* Remove `Raw` modules, use c2hs throughout.
* Fix potential bug with lazy bytestrings of nonstandard size
## 1.0.5.1
* Add `cross` flag
## 1.0.5.0
* Add facilities for lazy packing, e.g. `entriesToBSL`
* Minor documentation fixes
## 1.0.4.0
* Add `noOpenCallback`
* Add various facilities for lazy/streaming archives, viz. `unpackToDirLazy`,
`bslToArchive`, and `readArchiveBSL`.
* Remove `unsafe` stuff everywhere
## 1.0.3.0
* Fix types for `archive_set_read_callback` and
`archive_read_set_seek_callback`
## 1.0.2.0
* Add `Eq` instance for `ArchiveFormat`
## 1.0.1.0
* Remove functions from libarchive 3.3.3
## 1.0.0.0
* Get rid of `cbits`
* Add low-level FFI bindings
* Add high-level functions for unpacking archives
## 0.2.1.2
* Stream from a file when using `unpackArchive`
## 0.2.1.1
* Preserve modification times by default
## 0.2.1.0
* Enable autodetection of archive format/compression
* Slightly improved docs
* Rename `unpackTarball` to `unpackArchive`
## 0.2.0.0
* Fix bug in paths

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Copyright Vanessa McHale (c) 2018-2020
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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.PHONY: clean
MAKEFLAGS += --warn-undefined-variables --no-builtin-rules -j
.DELETE_ON_ERROR:
setup: test/data/ghc-8.8.1-src.tar test/data/alsa-lib-1.1.9.tar test/data/llvm-9.0.0.src.tar test/data/ATS2-Postiats-0.3.13.tar test/data/libarchive-1.0.5.1.tar
clean:
rm -rf dist-newstyle dist test/data/*.tar* test/data/*.tgz *.hp *.prof *.chi *.chs.h stack.yaml.lock .hspec-failures .stack-work tags *.svg
test/data:
mkdir -p $@
test/data/ghc-8.8.1-src.tar: test/data/ghc-8.8.1-src.tar.xz
xz -d -f $^
test/data/alsa-lib-1.1.9.tar: test/data/alsa-lib-1.1.9.tar.bz2
bzip2 -d -f $^
test/data/llvm-9.0.0.src.tar: test/data/llvm-9.0.0.src.tar.xz
xz -d -f $^
test/data/ATS2-Postiats-0.3.13.tar: test/data/ATS2-Postiats-0.3.13.tgz
gunzip -f $^
test/data/libarchive-1.0.5.1.tar: test/data/libarchive-1.0.5.1.tar.gz
gunzip -f $^
test/data/ghc-8.8.1-src.tar.xz: test/data
wget https://downloads.haskell.org/~ghc/8.8.1/ghc-8.8.1-src.tar.xz -O $@
test/data/alsa-lib-1.1.9.tar.bz2: test/data
wget https://www.alsa-project.org/files/pub/lib/alsa-lib-1.1.9.tar.bz2 -O $@
test/data/llvm-9.0.0.src.tar.xz: test/data
wget http://releases.llvm.org/9.0.0/llvm-9.0.0.src.tar.xz -O $@
test/data/ATS2-Postiats-0.3.13.tgz: test/data
wget http://ats-lang.sourceforge.net/IMPLEMENT/Postiats/ATS2-Postiats-0.3.13.tgz -O $@
test/data/libarchive-1.0.5.1.tar.gz: test/data
wget http://hackage.haskell.org/package/libarchive-1.0.5.1/libarchive-1.0.5.1.tar.gz -O $@

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# libarchive
[![Hackage CI](https://matrix.hackage.haskell.org/api/v2/packages/libarchive/badge)](https://matrix.hackage.haskell.org/package/libarchive)
[![Hackage](https://img.shields.io/hackage/v/libarchive.svg)](http://hackage.haskell.org/package/libarchive)
[![Dependencies of latest version on Hackage](https://img.shields.io/hackage-deps/v/libarchive.svg)](https://hackage.haskell.org/package/libarchive)
This contains Haskell bindings to
[libarchive](http://libarchive.org/). It was created as an alternative to
[tar](http://hackage.haskell.org/package/tar) and
[tar-conduit](http://hackage.haskell.org/package/tar-conduit), but it supports
more archive formats.
It has a high-level Haskell API for creating and unpacking archives in addition
to the C API. Like the `tar` package, it can stream from lazy `ByteString`s.
## Hacking
To run the test suite, first run
```
make
```
so that you have appropriate test data downloaded.
## Performance
`libarchive` is faster than `tar` or `tar-conduit` when unpacking archives.

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module Main (main) where
import Distribution.C2Hs (defaultMainC2Hs)
main :: IO ()
main = defaultMainC2Hs

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# Code Maintenance
- [ ] Test suite
- [ ] Figure out how to test for memory leaks
- [ ] Space leak via Neil Mitchell
- [ ] Valgrind?
- [x] Test edge cases (non-standard chunk sizes)
- [ ] Test multithreaded (start unpacking in one thread)
- [ ] CI
- [x] Nix integration (`cabal2nix`)
- [x] Dependent on upstream
# Performance
- [ ] Fix actual laziness (?) -> appears downstream in sak in particular
conditions
# Bugs
- [ ] segfault (libarchive?) when I mess with .tar files
- [ ] librachive haskell broken? my .7z and .xar outputs aren't great
- [ ] Fix space leak in converting stuff (bad; also from verify-archive)
# Features
- [ ] xar? 7zip?
# Documentation
- [ ] Add example in haddocks
- [ ] Document ability to use via `archive-sig`/`archive-libarchive`.
# Upstream
- [ ] PVP for signatures?
- [ ] sig: specify compatible stuff? versions not clear...
- [ ] GHC: `bracket` branch? What is going on??

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#!/usr/bin/env bash
set -e
case "$(uname)" in
"Darwin") svg_open="open";;
*) svg_open="firefox";;
esac
cabal build mem --enable-profiling -w ghc-8.10.1
"$(fd '^mem$' -t x -I)" +RTS -h
hp2pretty mem.hp
$svg_open mem.svg

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module Main (main) where
import Codec.Archive
import Codec.Archive.Tar (Entries (..), FormatError)
import qualified Codec.Archive.Tar as Tar
import Control.Monad (void)
import Control.Monad.IO.Class (liftIO)
import Criterion.Main
import qualified Data.ByteString.Lazy as BSL
import Data.Conduit.Tar as TarConduit
import System.IO.Temp (withSystemTempDirectory)
roundtrip :: BSL.ByteString -> Either ArchiveResult BSL.ByteString
roundtrip = fmap entriesToBSL . readArchiveBSL
failTar :: Entries a -> Either a [Tar.Entry]
failTar (Next e es) = (e :) <$> failTar es
failTar Done = Right []
failTar (Fail e) = Left e
roundtripTar :: BSL.ByteString -> Either FormatError BSL.ByteString
roundtripTar = fmap Tar.write . failTar . Tar.read
unpack :: IO (Either ArchiveResult ())
unpack = withSystemTempDirectory "libarchive" $
\fp -> runArchiveM $ unpackArchive "test/data/libarchive-1.0.5.1.tar" fp
unpackHs :: IO (Either ArchiveResult ())
unpackHs = withSystemTempDirectory "libarchive" $
\fp -> runArchiveM $ unpackToDirLazy fp =<< liftIO (BSL.readFile "test/data/libarchive-1.0.5.1.tar")
extractTar :: IO ()
extractTar = withSystemTempDirectory "tar" $
\fp -> Tar.extract fp "test/data/libarchive-1.0.5.1.tar"
-- I'm not even sure why I'm benchmarking this since it doesn't work
unpackTarConduit :: IO ()
unpackTarConduit = withSystemTempDirectory "tar" $
\fp -> void $ TarConduit.extractTarballLenient "test/data/libarchive-1.0.5.1.tar" (Just fp)
main :: IO ()
main =
defaultMain [ env file $ \ f ->
bgroup "roundtrip"
[ bench "libarchive" $ nf roundtrip f
, bench "tar" $ nf roundtripTar f
]
, bgroup "unpack"
[ bench "libarchive (via bytestring)" $ nfIO unpackHs
, bench "libarchive (C API)" $ nfIO unpack
, bench "tar" $ nfIO extractTar
, bench "tarConduit" $ nfIO unpackTarConduit
]
]
where file = BSL.readFile "test/data/libarchive-1.0.5.1.tar"

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/*-
* Copyright (c) 2003-2010 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef ARCHIVE_ACL_PRIVATE_H_INCLUDED
#define ARCHIVE_ACL_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
#include "archive_string.h"
struct archive_acl_entry {
struct archive_acl_entry *next;
int type; /* E.g., access or default */
int tag; /* E.g., user/group/other/mask */
int permset; /* r/w/x bits */
int id; /* uid/gid for user/group */
struct archive_mstring name; /* uname/gname */
};
struct archive_acl {
mode_t mode;
struct archive_acl_entry *acl_head;
struct archive_acl_entry *acl_p;
int acl_state; /* See acl_next for details. */
wchar_t *acl_text_w;
char *acl_text;
int acl_types;
};
void archive_acl_clear(struct archive_acl *);
void archive_acl_copy(struct archive_acl *, struct archive_acl *);
int archive_acl_count(struct archive_acl *, int);
int archive_acl_types(struct archive_acl *);
int archive_acl_reset(struct archive_acl *, int);
int archive_acl_next(struct archive *, struct archive_acl *, int,
int *, int *, int *, int *, const char **);
int archive_acl_add_entry(struct archive_acl *, int, int, int, int, const char *);
int archive_acl_add_entry_w_len(struct archive_acl *,
int, int, int, int, const wchar_t *, size_t);
int archive_acl_add_entry_len(struct archive_acl *,
int, int, int, int, const char *, size_t);
wchar_t *archive_acl_to_text_w(struct archive_acl *, ssize_t *, int,
struct archive *);
char *archive_acl_to_text_l(struct archive_acl *, ssize_t *, int,
struct archive_string_conv *);
/*
* ACL text parser.
*/
int archive_acl_from_text_w(struct archive_acl *, const wchar_t * /* wtext */,
int /* type */);
int archive_acl_from_text_l(struct archive_acl *, const char * /* text */,
int /* type */, struct archive_string_conv *);
#endif /* ARCHIVE_ENTRY_PRIVATE_H_INCLUDED */

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/*
BLAKE2 reference source code package - reference C implementations
Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
your option. The terms of these licenses can be found at:
- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- OpenSSL license : https://www.openssl.org/source/license.html
- Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
More information about the BLAKE2 hash function can be found at
https://blake2.net.
*/
#ifndef ARCHIVE_BLAKE2_H
#define ARCHIVE_BLAKE2_H
#include <stddef.h>
#include <stdint.h>
#if defined(_MSC_VER)
#define BLAKE2_PACKED(x) __pragma(pack(push, 1)) x __pragma(pack(pop))
#else
#define BLAKE2_PACKED(x) x __attribute__((packed))
#endif
#if defined(__cplusplus)
extern "C" {
#endif
enum blake2s_constant
{
BLAKE2S_BLOCKBYTES = 64,
BLAKE2S_OUTBYTES = 32,
BLAKE2S_KEYBYTES = 32,
BLAKE2S_SALTBYTES = 8,
BLAKE2S_PERSONALBYTES = 8
};
enum blake2b_constant
{
BLAKE2B_BLOCKBYTES = 128,
BLAKE2B_OUTBYTES = 64,
BLAKE2B_KEYBYTES = 64,
BLAKE2B_SALTBYTES = 16,
BLAKE2B_PERSONALBYTES = 16
};
typedef struct blake2s_state__
{
uint32_t h[8];
uint32_t t[2];
uint32_t f[2];
uint8_t buf[BLAKE2S_BLOCKBYTES];
size_t buflen;
size_t outlen;
uint8_t last_node;
} blake2s_state;
typedef struct blake2b_state__
{
uint64_t h[8];
uint64_t t[2];
uint64_t f[2];
uint8_t buf[BLAKE2B_BLOCKBYTES];
size_t buflen;
size_t outlen;
uint8_t last_node;
} blake2b_state;
typedef struct blake2sp_state__
{
blake2s_state S[8][1];
blake2s_state R[1];
uint8_t buf[8 * BLAKE2S_BLOCKBYTES];
size_t buflen;
size_t outlen;
} blake2sp_state;
typedef struct blake2bp_state__
{
blake2b_state S[4][1];
blake2b_state R[1];
uint8_t buf[4 * BLAKE2B_BLOCKBYTES];
size_t buflen;
size_t outlen;
} blake2bp_state;
BLAKE2_PACKED(struct blake2s_param__
{
uint8_t digest_length; /* 1 */
uint8_t key_length; /* 2 */
uint8_t fanout; /* 3 */
uint8_t depth; /* 4 */
uint32_t leaf_length; /* 8 */
uint32_t node_offset; /* 12 */
uint16_t xof_length; /* 14 */
uint8_t node_depth; /* 15 */
uint8_t inner_length; /* 16 */
/* uint8_t reserved[0]; */
uint8_t salt[BLAKE2S_SALTBYTES]; /* 24 */
uint8_t personal[BLAKE2S_PERSONALBYTES]; /* 32 */
});
typedef struct blake2s_param__ blake2s_param;
BLAKE2_PACKED(struct blake2b_param__
{
uint8_t digest_length; /* 1 */
uint8_t key_length; /* 2 */
uint8_t fanout; /* 3 */
uint8_t depth; /* 4 */
uint32_t leaf_length; /* 8 */
uint32_t node_offset; /* 12 */
uint32_t xof_length; /* 16 */
uint8_t node_depth; /* 17 */
uint8_t inner_length; /* 18 */
uint8_t reserved[14]; /* 32 */
uint8_t salt[BLAKE2B_SALTBYTES]; /* 48 */
uint8_t personal[BLAKE2B_PERSONALBYTES]; /* 64 */
});
typedef struct blake2b_param__ blake2b_param;
typedef struct blake2xs_state__
{
blake2s_state S[1];
blake2s_param P[1];
} blake2xs_state;
typedef struct blake2xb_state__
{
blake2b_state S[1];
blake2b_param P[1];
} blake2xb_state;
/* Padded structs result in a compile-time error */
enum {
BLAKE2_DUMMY_1 = 1/(sizeof(blake2s_param) == BLAKE2S_OUTBYTES),
BLAKE2_DUMMY_2 = 1/(sizeof(blake2b_param) == BLAKE2B_OUTBYTES)
};
/* Streaming API */
int blake2s_init( blake2s_state *S, size_t outlen );
int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
int blake2s_init_param( blake2s_state *S, const blake2s_param *P );
int blake2s_update( blake2s_state *S, const void *in, size_t inlen );
int blake2s_final( blake2s_state *S, void *out, size_t outlen );
int blake2b_init( blake2b_state *S, size_t outlen );
int blake2b_init_key( blake2b_state *S, size_t outlen, const void *key, size_t keylen );
int blake2b_init_param( blake2b_state *S, const blake2b_param *P );
int blake2b_update( blake2b_state *S, const void *in, size_t inlen );
int blake2b_final( blake2b_state *S, void *out, size_t outlen );
int blake2sp_init( blake2sp_state *S, size_t outlen );
int blake2sp_init_key( blake2sp_state *S, size_t outlen, const void *key, size_t keylen );
int blake2sp_update( blake2sp_state *S, const void *in, size_t inlen );
int blake2sp_final( blake2sp_state *S, void *out, size_t outlen );
int blake2bp_init( blake2bp_state *S, size_t outlen );
int blake2bp_init_key( blake2bp_state *S, size_t outlen, const void *key, size_t keylen );
int blake2bp_update( blake2bp_state *S, const void *in, size_t inlen );
int blake2bp_final( blake2bp_state *S, void *out, size_t outlen );
/* Variable output length API */
int blake2xs_init( blake2xs_state *S, const size_t outlen );
int blake2xs_init_key( blake2xs_state *S, const size_t outlen, const void *key, size_t keylen );
int blake2xs_update( blake2xs_state *S, const void *in, size_t inlen );
int blake2xs_final(blake2xs_state *S, void *out, size_t outlen);
int blake2xb_init( blake2xb_state *S, const size_t outlen );
int blake2xb_init_key( blake2xb_state *S, const size_t outlen, const void *key, size_t keylen );
int blake2xb_update( blake2xb_state *S, const void *in, size_t inlen );
int blake2xb_final(blake2xb_state *S, void *out, size_t outlen);
/* Simple API */
int blake2s( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
int blake2b( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
int blake2sp( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
int blake2bp( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
int blake2xs( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
int blake2xb( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
/* This is simply an alias for blake2b */
int blake2( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
#if defined(__cplusplus)
}
#endif
#endif

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/*
BLAKE2 reference source code package - reference C implementations
Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
your option. The terms of these licenses can be found at:
- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- OpenSSL license : https://www.openssl.org/source/license.html
- Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
More information about the BLAKE2 hash function can be found at
https://blake2.net.
*/
#ifndef ARCHIVE_BLAKE2_IMPL_H
#define ARCHIVE_BLAKE2_IMPL_H
#include <stdint.h>
#include <string.h>
#if !defined(__cplusplus) && (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L)
#if defined(_MSC_VER)
#define BLAKE2_INLINE __inline
#elif defined(__GNUC__)
#define BLAKE2_INLINE __inline__
#else
#define BLAKE2_INLINE
#endif
#else
#define BLAKE2_INLINE inline
#endif
static BLAKE2_INLINE uint32_t load32( const void *src )
{
#if defined(NATIVE_LITTLE_ENDIAN)
uint32_t w;
memcpy(&w, src, sizeof w);
return w;
#else
const uint8_t *p = ( const uint8_t * )src;
return (( uint32_t )( p[0] ) << 0) |
(( uint32_t )( p[1] ) << 8) |
(( uint32_t )( p[2] ) << 16) |
(( uint32_t )( p[3] ) << 24) ;
#endif
}
static BLAKE2_INLINE uint64_t load64( const void *src )
{
#if defined(NATIVE_LITTLE_ENDIAN)
uint64_t w;
memcpy(&w, src, sizeof w);
return w;
#else
const uint8_t *p = ( const uint8_t * )src;
return (( uint64_t )( p[0] ) << 0) |
(( uint64_t )( p[1] ) << 8) |
(( uint64_t )( p[2] ) << 16) |
(( uint64_t )( p[3] ) << 24) |
(( uint64_t )( p[4] ) << 32) |
(( uint64_t )( p[5] ) << 40) |
(( uint64_t )( p[6] ) << 48) |
(( uint64_t )( p[7] ) << 56) ;
#endif
}
static BLAKE2_INLINE uint16_t load16( const void *src )
{
#if defined(NATIVE_LITTLE_ENDIAN)
uint16_t w;
memcpy(&w, src, sizeof w);
return w;
#else
const uint8_t *p = ( const uint8_t * )src;
return ( uint16_t )((( uint32_t )( p[0] ) << 0) |
(( uint32_t )( p[1] ) << 8));
#endif
}
static BLAKE2_INLINE void store16( void *dst, uint16_t w )
{
#if defined(NATIVE_LITTLE_ENDIAN)
memcpy(dst, &w, sizeof w);
#else
uint8_t *p = ( uint8_t * )dst;
*p++ = ( uint8_t )w; w >>= 8;
*p++ = ( uint8_t )w;
#endif
}
static BLAKE2_INLINE void store32( void *dst, uint32_t w )
{
#if defined(NATIVE_LITTLE_ENDIAN)
memcpy(dst, &w, sizeof w);
#else
uint8_t *p = ( uint8_t * )dst;
p[0] = (uint8_t)(w >> 0);
p[1] = (uint8_t)(w >> 8);
p[2] = (uint8_t)(w >> 16);
p[3] = (uint8_t)(w >> 24);
#endif
}
static BLAKE2_INLINE void store64( void *dst, uint64_t w )
{
#if defined(NATIVE_LITTLE_ENDIAN)
memcpy(dst, &w, sizeof w);
#else
uint8_t *p = ( uint8_t * )dst;
p[0] = (uint8_t)(w >> 0);
p[1] = (uint8_t)(w >> 8);
p[2] = (uint8_t)(w >> 16);
p[3] = (uint8_t)(w >> 24);
p[4] = (uint8_t)(w >> 32);
p[5] = (uint8_t)(w >> 40);
p[6] = (uint8_t)(w >> 48);
p[7] = (uint8_t)(w >> 56);
#endif
}
static BLAKE2_INLINE uint64_t load48( const void *src )
{
const uint8_t *p = ( const uint8_t * )src;
return (( uint64_t )( p[0] ) << 0) |
(( uint64_t )( p[1] ) << 8) |
(( uint64_t )( p[2] ) << 16) |
(( uint64_t )( p[3] ) << 24) |
(( uint64_t )( p[4] ) << 32) |
(( uint64_t )( p[5] ) << 40) ;
}
static BLAKE2_INLINE void store48( void *dst, uint64_t w )
{
uint8_t *p = ( uint8_t * )dst;
p[0] = (uint8_t)(w >> 0);
p[1] = (uint8_t)(w >> 8);
p[2] = (uint8_t)(w >> 16);
p[3] = (uint8_t)(w >> 24);
p[4] = (uint8_t)(w >> 32);
p[5] = (uint8_t)(w >> 40);
}
static BLAKE2_INLINE uint32_t rotr32( const uint32_t w, const unsigned c )
{
return ( w >> c ) | ( w << ( 32 - c ) );
}
static BLAKE2_INLINE uint64_t rotr64( const uint64_t w, const unsigned c )
{
return ( w >> c ) | ( w << ( 64 - c ) );
}
/* prevents compiler optimizing out memset() */
static BLAKE2_INLINE void secure_zero_memory(void *v, size_t n)
{
static void *(*const volatile memset_v)(void *, int, size_t) = &memset;
memset_v(v, 0, n);
}
#endif

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/*
BLAKE2 reference source code package - reference C implementations
Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
your option. The terms of these licenses can be found at:
- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- OpenSSL license : https://www.openssl.org/source/license.html
- Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
More information about the BLAKE2 hash function can be found at
https://blake2.net.
*/
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include "archive_blake2.h"
#include "archive_blake2_impl.h"
static const uint32_t blake2s_IV[8] =
{
0x6A09E667UL, 0xBB67AE85UL, 0x3C6EF372UL, 0xA54FF53AUL,
0x510E527FUL, 0x9B05688CUL, 0x1F83D9ABUL, 0x5BE0CD19UL
};
static const uint8_t blake2s_sigma[10][16] =
{
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } ,
{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } ,
{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } ,
{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } ,
{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } ,
{ 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } ,
{ 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } ,
{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } ,
{ 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 } ,
};
static void blake2s_set_lastnode( blake2s_state *S )
{
S->f[1] = (uint32_t)-1;
}
/* Some helper functions, not necessarily useful */
static int blake2s_is_lastblock( const blake2s_state *S )
{
return S->f[0] != 0;
}
static void blake2s_set_lastblock( blake2s_state *S )
{
if( S->last_node ) blake2s_set_lastnode( S );
S->f[0] = (uint32_t)-1;
}
static void blake2s_increment_counter( blake2s_state *S, const uint32_t inc )
{
S->t[0] += inc;
S->t[1] += ( S->t[0] < inc );
}
static void blake2s_init0( blake2s_state *S )
{
size_t i;
memset( S, 0, sizeof( blake2s_state ) );
for( i = 0; i < 8; ++i ) S->h[i] = blake2s_IV[i];
}
/* init2 xors IV with input parameter block */
int blake2s_init_param( blake2s_state *S, const blake2s_param *P )
{
const unsigned char *p = ( const unsigned char * )( P );
size_t i;
blake2s_init0( S );
/* IV XOR ParamBlock */
for( i = 0; i < 8; ++i )
S->h[i] ^= load32( &p[i * 4] );
S->outlen = P->digest_length;
return 0;
}
/* Sequential blake2s initialization */
int blake2s_init( blake2s_state *S, size_t outlen )
{
blake2s_param P[1];
/* Move interval verification here? */
if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
P->digest_length = (uint8_t)outlen;
P->key_length = 0;
P->fanout = 1;
P->depth = 1;
store32( &P->leaf_length, 0 );
store32( &P->node_offset, 0 );
store16( &P->xof_length, 0 );
P->node_depth = 0;
P->inner_length = 0;
/* memset(P->reserved, 0, sizeof(P->reserved) ); */
memset( P->salt, 0, sizeof( P->salt ) );
memset( P->personal, 0, sizeof( P->personal ) );
return blake2s_init_param( S, P );
}
int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen )
{
blake2s_param P[1];
if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
if ( !key || !keylen || keylen > BLAKE2S_KEYBYTES ) return -1;
P->digest_length = (uint8_t)outlen;
P->key_length = (uint8_t)keylen;
P->fanout = 1;
P->depth = 1;
store32( &P->leaf_length, 0 );
store32( &P->node_offset, 0 );
store16( &P->xof_length, 0 );
P->node_depth = 0;
P->inner_length = 0;
/* memset(P->reserved, 0, sizeof(P->reserved) ); */
memset( P->salt, 0, sizeof( P->salt ) );
memset( P->personal, 0, sizeof( P->personal ) );
if( blake2s_init_param( S, P ) < 0 ) return -1;
{
uint8_t block[BLAKE2S_BLOCKBYTES];
memset( block, 0, BLAKE2S_BLOCKBYTES );
memcpy( block, key, keylen );
blake2s_update( S, block, BLAKE2S_BLOCKBYTES );
secure_zero_memory( block, BLAKE2S_BLOCKBYTES ); /* Burn the key from stack */
}
return 0;
}
#define G(r,i,a,b,c,d) \
do { \
a = a + b + m[blake2s_sigma[r][2*i+0]]; \
d = rotr32(d ^ a, 16); \
c = c + d; \
b = rotr32(b ^ c, 12); \
a = a + b + m[blake2s_sigma[r][2*i+1]]; \
d = rotr32(d ^ a, 8); \
c = c + d; \
b = rotr32(b ^ c, 7); \
} while(0)
#define ROUND(r) \
do { \
G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \
G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \
G(r,2,v[ 2],v[ 6],v[10],v[14]); \
G(r,3,v[ 3],v[ 7],v[11],v[15]); \
G(r,4,v[ 0],v[ 5],v[10],v[15]); \
G(r,5,v[ 1],v[ 6],v[11],v[12]); \
G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \
G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \
} while(0)
static void blake2s_compress( blake2s_state *S, const uint8_t in[BLAKE2S_BLOCKBYTES] )
{
uint32_t m[16];
uint32_t v[16];
size_t i;
for( i = 0; i < 16; ++i ) {
m[i] = load32( in + i * sizeof( m[i] ) );
}
for( i = 0; i < 8; ++i ) {
v[i] = S->h[i];
}
v[ 8] = blake2s_IV[0];
v[ 9] = blake2s_IV[1];
v[10] = blake2s_IV[2];
v[11] = blake2s_IV[3];
v[12] = S->t[0] ^ blake2s_IV[4];
v[13] = S->t[1] ^ blake2s_IV[5];
v[14] = S->f[0] ^ blake2s_IV[6];
v[15] = S->f[1] ^ blake2s_IV[7];
ROUND( 0 );
ROUND( 1 );
ROUND( 2 );
ROUND( 3 );
ROUND( 4 );
ROUND( 5 );
ROUND( 6 );
ROUND( 7 );
ROUND( 8 );
ROUND( 9 );
for( i = 0; i < 8; ++i ) {
S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];
}
}
#undef G
#undef ROUND
int blake2s_update( blake2s_state *S, const void *pin, size_t inlen )
{
const unsigned char * in = (const unsigned char *)pin;
if( inlen > 0 )
{
size_t left = S->buflen;
size_t fill = BLAKE2S_BLOCKBYTES - left;
if( inlen > fill )
{
S->buflen = 0;
memcpy( S->buf + left, in, fill ); /* Fill buffer */
blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
blake2s_compress( S, S->buf ); /* Compress */
in += fill; inlen -= fill;
while(inlen > BLAKE2S_BLOCKBYTES) {
blake2s_increment_counter(S, BLAKE2S_BLOCKBYTES);
blake2s_compress( S, in );
in += BLAKE2S_BLOCKBYTES;
inlen -= BLAKE2S_BLOCKBYTES;
}
}
memcpy( S->buf + S->buflen, in, inlen );
S->buflen += inlen;
}
return 0;
}
int blake2s_final( blake2s_state *S, void *out, size_t outlen )
{
uint8_t buffer[BLAKE2S_OUTBYTES] = {0};
size_t i;
if( out == NULL || outlen < S->outlen )
return -1;
if( blake2s_is_lastblock( S ) )
return -1;
blake2s_increment_counter( S, ( uint32_t )S->buflen );
blake2s_set_lastblock( S );
memset( S->buf + S->buflen, 0, BLAKE2S_BLOCKBYTES - S->buflen ); /* Padding */
blake2s_compress( S, S->buf );
for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */
store32( buffer + sizeof( S->h[i] ) * i, S->h[i] );
memcpy( out, buffer, outlen );
secure_zero_memory(buffer, sizeof(buffer));
return 0;
}
int blake2s( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen )
{
blake2s_state S[1];
/* Verify parameters */
if ( NULL == in && inlen > 0 ) return -1;
if ( NULL == out ) return -1;
if ( NULL == key && keylen > 0) return -1;
if( !outlen || outlen > BLAKE2S_OUTBYTES ) return -1;
if( keylen > BLAKE2S_KEYBYTES ) return -1;
if( keylen > 0 )
{
if( blake2s_init_key( S, outlen, key, keylen ) < 0 ) return -1;
}
else
{
if( blake2s_init( S, outlen ) < 0 ) return -1;
}
blake2s_update( S, ( const uint8_t * )in, inlen );
blake2s_final( S, out, outlen );
return 0;
}
#if defined(SUPERCOP)
int crypto_hash( unsigned char *out, unsigned char *in, unsigned long long inlen )
{
return blake2s( out, BLAKE2S_OUTBYTES, in, inlen, NULL, 0 );
}
#endif
#if defined(BLAKE2S_SELFTEST)
#include <string.h>
#include "blake2-kat.h"
int main( void )
{
uint8_t key[BLAKE2S_KEYBYTES];
uint8_t buf[BLAKE2_KAT_LENGTH];
size_t i, step;
for( i = 0; i < BLAKE2S_KEYBYTES; ++i )
key[i] = ( uint8_t )i;
for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
buf[i] = ( uint8_t )i;
/* Test simple API */
for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
{
uint8_t hash[BLAKE2S_OUTBYTES];
blake2s( hash, BLAKE2S_OUTBYTES, buf, i, key, BLAKE2S_KEYBYTES );
if( 0 != memcmp( hash, blake2s_keyed_kat[i], BLAKE2S_OUTBYTES ) )
{
goto fail;
}
}
/* Test streaming API */
for(step = 1; step < BLAKE2S_BLOCKBYTES; ++step) {
for (i = 0; i < BLAKE2_KAT_LENGTH; ++i) {
uint8_t hash[BLAKE2S_OUTBYTES];
blake2s_state S;
uint8_t * p = buf;
size_t mlen = i;
int err = 0;
if( (err = blake2s_init_key(&S, BLAKE2S_OUTBYTES, key, BLAKE2S_KEYBYTES)) < 0 ) {
goto fail;
}
while (mlen >= step) {
if ( (err = blake2s_update(&S, p, step)) < 0 ) {
goto fail;
}
mlen -= step;
p += step;
}
if ( (err = blake2s_update(&S, p, mlen)) < 0) {
goto fail;
}
if ( (err = blake2s_final(&S, hash, BLAKE2S_OUTBYTES)) < 0) {
goto fail;
}
if (0 != memcmp(hash, blake2s_keyed_kat[i], BLAKE2S_OUTBYTES)) {
goto fail;
}
}
}
puts( "ok" );
return 0;
fail:
puts("error");
return -1;
}
#endif

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/*
BLAKE2 reference source code package - reference C implementations
Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
your option. The terms of these licenses can be found at:
- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- OpenSSL license : https://www.openssl.org/source/license.html
- Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
More information about the BLAKE2 hash function can be found at
https://blake2.net.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#if defined(_OPENMP)
#include <omp.h>
#endif
#include "archive_blake2.h"
#include "archive_blake2_impl.h"
#define PARALLELISM_DEGREE 8
/*
blake2sp_init_param defaults to setting the expecting output length
from the digest_length parameter block field.
In some cases, however, we do not want this, as the output length
of these instances is given by inner_length instead.
*/
static int blake2sp_init_leaf_param( blake2s_state *S, const blake2s_param *P )
{
int err = blake2s_init_param(S, P);
S->outlen = P->inner_length;
return err;
}
static int blake2sp_init_leaf( blake2s_state *S, size_t outlen, size_t keylen, uint32_t offset )
{
blake2s_param P[1];
P->digest_length = (uint8_t)outlen;
P->key_length = (uint8_t)keylen;
P->fanout = PARALLELISM_DEGREE;
P->depth = 2;
store32( &P->leaf_length, 0 );
store32( &P->node_offset, offset );
store16( &P->xof_length, 0 );
P->node_depth = 0;
P->inner_length = BLAKE2S_OUTBYTES;
memset( P->salt, 0, sizeof( P->salt ) );
memset( P->personal, 0, sizeof( P->personal ) );
return blake2sp_init_leaf_param( S, P );
}
static int blake2sp_init_root( blake2s_state *S, size_t outlen, size_t keylen )
{
blake2s_param P[1];
P->digest_length = (uint8_t)outlen;
P->key_length = (uint8_t)keylen;
P->fanout = PARALLELISM_DEGREE;
P->depth = 2;
store32( &P->leaf_length, 0 );
store32( &P->node_offset, 0 );
store16( &P->xof_length, 0 );
P->node_depth = 1;
P->inner_length = BLAKE2S_OUTBYTES;
memset( P->salt, 0, sizeof( P->salt ) );
memset( P->personal, 0, sizeof( P->personal ) );
return blake2s_init_param( S, P );
}
int blake2sp_init( blake2sp_state *S, size_t outlen )
{
size_t i;
if( !outlen || outlen > BLAKE2S_OUTBYTES ) return -1;
memset( S->buf, 0, sizeof( S->buf ) );
S->buflen = 0;
S->outlen = outlen;
if( blake2sp_init_root( S->R, outlen, 0 ) < 0 )
return -1;
for( i = 0; i < PARALLELISM_DEGREE; ++i )
if( blake2sp_init_leaf( S->S[i], outlen, 0, (uint32_t)i ) < 0 ) return -1;
S->R->last_node = 1;
S->S[PARALLELISM_DEGREE - 1]->last_node = 1;
return 0;
}
int blake2sp_init_key( blake2sp_state *S, size_t outlen, const void *key, size_t keylen )
{
size_t i;
if( !outlen || outlen > BLAKE2S_OUTBYTES ) return -1;
if( !key || !keylen || keylen > BLAKE2S_KEYBYTES ) return -1;
memset( S->buf, 0, sizeof( S->buf ) );
S->buflen = 0;
S->outlen = outlen;
if( blake2sp_init_root( S->R, outlen, keylen ) < 0 )
return -1;
for( i = 0; i < PARALLELISM_DEGREE; ++i )
if( blake2sp_init_leaf( S->S[i], outlen, keylen, (uint32_t)i ) < 0 ) return -1;
S->R->last_node = 1;
S->S[PARALLELISM_DEGREE - 1]->last_node = 1;
{
uint8_t block[BLAKE2S_BLOCKBYTES];
memset( block, 0, BLAKE2S_BLOCKBYTES );
memcpy( block, key, keylen );
for( i = 0; i < PARALLELISM_DEGREE; ++i )
blake2s_update( S->S[i], block, BLAKE2S_BLOCKBYTES );
secure_zero_memory( block, BLAKE2S_BLOCKBYTES ); /* Burn the key from stack */
}
return 0;
}
int blake2sp_update( blake2sp_state *S, const void *pin, size_t inlen )
{
const unsigned char * in = (const unsigned char *)pin;
size_t left = S->buflen;
size_t fill = sizeof( S->buf ) - left;
size_t i;
if( left && inlen >= fill )
{
memcpy( S->buf + left, in, fill );
for( i = 0; i < PARALLELISM_DEGREE; ++i )
blake2s_update( S->S[i], S->buf + i * BLAKE2S_BLOCKBYTES, BLAKE2S_BLOCKBYTES );
in += fill;
inlen -= fill;
left = 0;
}
#if defined(_OPENMP)
#pragma omp parallel shared(S), num_threads(PARALLELISM_DEGREE)
#else
for( i = 0; i < PARALLELISM_DEGREE; ++i )
#endif
{
#if defined(_OPENMP)
size_t i = omp_get_thread_num();
#endif
size_t inlen__ = inlen;
const unsigned char *in__ = ( const unsigned char * )in;
in__ += i * BLAKE2S_BLOCKBYTES;
while( inlen__ >= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES )
{
blake2s_update( S->S[i], in__, BLAKE2S_BLOCKBYTES );
in__ += PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES;
inlen__ -= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES;
}
}
in += inlen - inlen % ( PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES );
inlen %= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES;
if( inlen > 0 )
memcpy( S->buf + left, in, inlen );
S->buflen = left + inlen;
return 0;
}
int blake2sp_final( blake2sp_state *S, void *out, size_t outlen )
{
uint8_t hash[PARALLELISM_DEGREE][BLAKE2S_OUTBYTES];
size_t i;
if(out == NULL || outlen < S->outlen) {
return -1;
}
for( i = 0; i < PARALLELISM_DEGREE; ++i )
{
if( S->buflen > i * BLAKE2S_BLOCKBYTES )
{
size_t left = S->buflen - i * BLAKE2S_BLOCKBYTES;
if( left > BLAKE2S_BLOCKBYTES ) left = BLAKE2S_BLOCKBYTES;
blake2s_update( S->S[i], S->buf + i * BLAKE2S_BLOCKBYTES, left );
}
blake2s_final( S->S[i], hash[i], BLAKE2S_OUTBYTES );
}
for( i = 0; i < PARALLELISM_DEGREE; ++i )
blake2s_update( S->R, hash[i], BLAKE2S_OUTBYTES );
return blake2s_final( S->R, out, S->outlen );
}
int blake2sp( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen )
{
uint8_t hash[PARALLELISM_DEGREE][BLAKE2S_OUTBYTES];
blake2s_state S[PARALLELISM_DEGREE][1];
blake2s_state FS[1];
size_t i;
/* Verify parameters */
if ( NULL == in && inlen > 0 ) return -1;
if ( NULL == out ) return -1;
if ( NULL == key && keylen > 0) return -1;
if( !outlen || outlen > BLAKE2S_OUTBYTES ) return -1;
if( keylen > BLAKE2S_KEYBYTES ) return -1;
for( i = 0; i < PARALLELISM_DEGREE; ++i )
if( blake2sp_init_leaf( S[i], outlen, keylen, (uint32_t)i ) < 0 ) return -1;
S[PARALLELISM_DEGREE - 1]->last_node = 1; /* mark last node */
if( keylen > 0 )
{
uint8_t block[BLAKE2S_BLOCKBYTES];
memset( block, 0, BLAKE2S_BLOCKBYTES );
memcpy( block, key, keylen );
for( i = 0; i < PARALLELISM_DEGREE; ++i )
blake2s_update( S[i], block, BLAKE2S_BLOCKBYTES );
secure_zero_memory( block, BLAKE2S_BLOCKBYTES ); /* Burn the key from stack */
}
#if defined(_OPENMP)
#pragma omp parallel shared(S,hash), num_threads(PARALLELISM_DEGREE)
#else
for( i = 0; i < PARALLELISM_DEGREE; ++i )
#endif
{
#if defined(_OPENMP)
size_t i = omp_get_thread_num();
#endif
size_t inlen__ = inlen;
const unsigned char *in__ = ( const unsigned char * )in;
in__ += i * BLAKE2S_BLOCKBYTES;
while( inlen__ >= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES )
{
blake2s_update( S[i], in__, BLAKE2S_BLOCKBYTES );
in__ += PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES;
inlen__ -= PARALLELISM_DEGREE * BLAKE2S_BLOCKBYTES;
}
if( inlen__ > i * BLAKE2S_BLOCKBYTES )
{
const size_t left = inlen__ - i * BLAKE2S_BLOCKBYTES;
const size_t len = left <= BLAKE2S_BLOCKBYTES ? left : BLAKE2S_BLOCKBYTES;
blake2s_update( S[i], in__, len );
}
blake2s_final( S[i], hash[i], BLAKE2S_OUTBYTES );
}
if( blake2sp_init_root( FS, outlen, keylen ) < 0 )
return -1;
FS->last_node = 1;
for( i = 0; i < PARALLELISM_DEGREE; ++i )
blake2s_update( FS, hash[i], BLAKE2S_OUTBYTES );
return blake2s_final( FS, out, outlen );
}
#if defined(BLAKE2SP_SELFTEST)
#include <string.h>
#include "blake2-kat.h"
int main( void )
{
uint8_t key[BLAKE2S_KEYBYTES];
uint8_t buf[BLAKE2_KAT_LENGTH];
size_t i, step;
for( i = 0; i < BLAKE2S_KEYBYTES; ++i )
key[i] = ( uint8_t )i;
for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
buf[i] = ( uint8_t )i;
/* Test simple API */
for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
{
uint8_t hash[BLAKE2S_OUTBYTES];
blake2sp( hash, BLAKE2S_OUTBYTES, buf, i, key, BLAKE2S_KEYBYTES );
if( 0 != memcmp( hash, blake2sp_keyed_kat[i], BLAKE2S_OUTBYTES ) )
{
goto fail;
}
}
/* Test streaming API */
for(step = 1; step < BLAKE2S_BLOCKBYTES; ++step) {
for (i = 0; i < BLAKE2_KAT_LENGTH; ++i) {
uint8_t hash[BLAKE2S_OUTBYTES];
blake2sp_state S;
uint8_t * p = buf;
size_t mlen = i;
int err = 0;
if( (err = blake2sp_init_key(&S, BLAKE2S_OUTBYTES, key, BLAKE2S_KEYBYTES)) < 0 ) {
goto fail;
}
while (mlen >= step) {
if ( (err = blake2sp_update(&S, p, step)) < 0 ) {
goto fail;
}
mlen -= step;
p += step;
}
if ( (err = blake2sp_update(&S, p, mlen)) < 0) {
goto fail;
}
if ( (err = blake2sp_final(&S, hash, BLAKE2S_OUTBYTES)) < 0) {
goto fail;
}
if (0 != memcmp(hash, blake2sp_keyed_kat[i], BLAKE2S_OUTBYTES)) {
goto fail;
}
}
}
puts( "ok" );
return 0;
fail:
puts("error");
return -1;
}
#endif

175
3rdparty/libarchive/c/archive_check_magic.c vendored Normal file
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@ -0,0 +1,175 @@
/*-
* Copyright (c) 2003-2010 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: head/lib/libarchive/archive_check_magic.c 201089 2009-12-28 02:20:23Z kientzle $");
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if defined(_WIN32) && !defined(__CYGWIN__)
#include <windows.h>
#include <winbase.h>
#endif
#include "archive_private.h"
static void
errmsg(const char *m)
{
size_t s = strlen(m);
ssize_t written;
while (s > 0) {
written = write(2, m, strlen(m));
if (written <= 0)
return;
m += written;
s -= written;
}
}
static __LA_DEAD void
diediedie(void)
{
#if defined(_WIN32) && !defined(__CYGWIN__) && defined(_DEBUG)
/* Cause a breakpoint exception */
DebugBreak();
#endif
abort(); /* Terminate the program abnormally. */
}
static const char *
state_name(unsigned s)
{
switch (s) {
case ARCHIVE_STATE_NEW: return ("new");
case ARCHIVE_STATE_HEADER: return ("header");
case ARCHIVE_STATE_DATA: return ("data");
case ARCHIVE_STATE_EOF: return ("eof");
case ARCHIVE_STATE_CLOSED: return ("closed");
case ARCHIVE_STATE_FATAL: return ("fatal");
default: return ("??");
}
}
static const char *
archive_handle_type_name(unsigned m)
{
switch (m) {
case ARCHIVE_WRITE_MAGIC: return ("archive_write");
case ARCHIVE_READ_MAGIC: return ("archive_read");
case ARCHIVE_WRITE_DISK_MAGIC: return ("archive_write_disk");
case ARCHIVE_READ_DISK_MAGIC: return ("archive_read_disk");
case ARCHIVE_MATCH_MAGIC: return ("archive_match");
default: return NULL;
}
}
static char *
write_all_states(char *buff, unsigned int states)
{
unsigned int lowbit;
buff[0] = '\0';
/* A trick for computing the lowest set bit. */
while ((lowbit = states & (1 + ~states)) != 0) {
states &= ~lowbit; /* Clear the low bit. */
strcat(buff, state_name(lowbit));
if (states != 0)
strcat(buff, "/");
}
return buff;
}
/*
* Check magic value and current state.
* Magic value mismatches are fatal and result in calls to abort().
* State mismatches return ARCHIVE_FATAL.
* Otherwise, returns ARCHIVE_OK.
*
* This is designed to catch serious programming errors that violate
* the libarchive API.
*/
int
__archive_check_magic(struct archive *a, unsigned int magic,
unsigned int state, const char *function)
{
char states1[64];
char states2[64];
const char *handle_type;
/*
* If this isn't some form of archive handle,
* then the library user has screwed up so bad that
* we don't even have a reliable way to report an error.
*/
handle_type = archive_handle_type_name(a->magic);
if (!handle_type) {
errmsg("PROGRAMMER ERROR: Function ");
errmsg(function);
errmsg(" invoked with invalid archive handle.\n");
diediedie();
}
if (a->magic != magic) {
archive_set_error(a, -1,
"PROGRAMMER ERROR: Function '%s' invoked"
" on '%s' archive object, which is not supported.",
function,
handle_type);
a->state = ARCHIVE_STATE_FATAL;
return (ARCHIVE_FATAL);
}
if ((a->state & state) == 0) {
/* If we're already FATAL, don't overwrite the error. */
if (a->state != ARCHIVE_STATE_FATAL)
archive_set_error(a, -1,
"INTERNAL ERROR: Function '%s' invoked with"
" archive structure in state '%s',"
" should be in state '%s'",
function,
write_all_states(states1, a->state),
write_all_states(states2, state));
a->state = ARCHIVE_STATE_FATAL;
return (ARCHIVE_FATAL);
}
return ARCHIVE_OK;
}

227
3rdparty/libarchive/c/archive_cmdline.c vendored Normal file
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@ -0,0 +1,227 @@
/*-
* Copyright (c) 2012 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
#include "archive.h"
#include "archive_cmdline_private.h"
#include "archive_string.h"
static int cmdline_set_path(struct archive_cmdline *, const char *);
static int cmdline_add_arg(struct archive_cmdline *, const char *);
static ssize_t
extract_quotation(struct archive_string *as, const char *p)
{
const char *s;
for (s = p + 1; *s;) {
if (*s == '\\') {
if (s[1] != '\0') {
archive_strappend_char(as, s[1]);
s += 2;
} else
s++;
} else if (*s == '"')
break;
else {
archive_strappend_char(as, s[0]);
s++;
}
}
if (*s != '"')
return (ARCHIVE_FAILED);/* Invalid sequence. */
return ((ssize_t)(s + 1 - p));
}
static ssize_t
get_argument(struct archive_string *as, const char *p)
{
const char *s = p;
archive_string_empty(as);
/* Skip beginning space characters. */
while (*s != '\0' && *s == ' ')
s++;
/* Copy non-space characters. */
while (*s != '\0' && *s != ' ') {
if (*s == '\\') {
if (s[1] != '\0') {
archive_strappend_char(as, s[1]);
s += 2;
} else {
s++;/* Ignore this character.*/
break;
}
} else if (*s == '"') {
ssize_t q = extract_quotation(as, s);
if (q < 0)
return (ARCHIVE_FAILED);/* Invalid sequence. */
s += q;
} else {
archive_strappend_char(as, s[0]);
s++;
}
}
return ((ssize_t)(s - p));
}
/*
* Set up command line arguments.
* Returns ARCHIVE_OK if everything okey.
* Returns ARCHIVE_FAILED if there is a lack of the `"' terminator or an
* empty command line.
* Returns ARCHIVE_FATAL if no memory.
*/
int
__archive_cmdline_parse(struct archive_cmdline *data, const char *cmd)
{
struct archive_string as;
const char *p;
ssize_t al;
int r;
archive_string_init(&as);
/* Get first argument as a command path. */
al = get_argument(&as, cmd);
if (al < 0) {
r = ARCHIVE_FAILED;/* Invalid sequence. */
goto exit_function;
}
if (archive_strlen(&as) == 0) {
r = ARCHIVE_FAILED;/* An empty command path. */
goto exit_function;
}
r = cmdline_set_path(data, as.s);
if (r != ARCHIVE_OK)
goto exit_function;
p = strrchr(as.s, '/');
if (p == NULL)
p = as.s;
else
p++;
r = cmdline_add_arg(data, p);
if (r != ARCHIVE_OK)
goto exit_function;
cmd += al;
for (;;) {
al = get_argument(&as, cmd);
if (al < 0) {
r = ARCHIVE_FAILED;/* Invalid sequence. */
goto exit_function;
}
if (al == 0)
break;
cmd += al;
if (archive_strlen(&as) == 0 && *cmd == '\0')
break;
r = cmdline_add_arg(data, as.s);
if (r != ARCHIVE_OK)
goto exit_function;
}
r = ARCHIVE_OK;
exit_function:
archive_string_free(&as);
return (r);
}
/*
* Set the program path.
*/
static int
cmdline_set_path(struct archive_cmdline *data, const char *path)
{
char *newptr;
newptr = realloc(data->path, strlen(path) + 1);
if (newptr == NULL)
return (ARCHIVE_FATAL);
data->path = newptr;
strcpy(data->path, path);
return (ARCHIVE_OK);
}
/*
* Add a argument for the program.
*/
static int
cmdline_add_arg(struct archive_cmdline *data, const char *arg)
{
char **newargv;
if (data->path == NULL)
return (ARCHIVE_FAILED);
newargv = realloc(data->argv, (data->argc + 2) * sizeof(char *));
if (newargv == NULL)
return (ARCHIVE_FATAL);
data->argv = newargv;
data->argv[data->argc] = strdup(arg);
if (data->argv[data->argc] == NULL)
return (ARCHIVE_FATAL);
/* Set the terminator of argv. */
data->argv[++data->argc] = NULL;
return (ARCHIVE_OK);
}
struct archive_cmdline *
__archive_cmdline_allocate(void)
{
return (struct archive_cmdline *)
calloc(1, sizeof(struct archive_cmdline));
}
/*
* Release the resources.
*/
int
__archive_cmdline_free(struct archive_cmdline *data)
{
if (data) {
free(data->path);
if (data->argv != NULL) {
int i;
for (i = 0; data->argv[i] != NULL; i++)
free(data->argv[i]);
free(data->argv);
}
free(data);
}
return (ARCHIVE_OK);
}

47
3rdparty/libarchive/c/archive_cmdline_private.h vendored Normal file
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@ -0,0 +1,47 @@
/*-
* Copyright (c) 2012 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef ARCHIVE_CMDLINE_PRIVATE_H
#define ARCHIVE_CMDLINE_PRIVATE_H
#ifndef __LIBARCHIVE_BUILD
#ifndef __LIBARCHIVE_TEST
#error This header is only to be used internally to libarchive.
#endif
#endif
struct archive_cmdline {
char *path;
char **argv;
int argc;
};
struct archive_cmdline *__archive_cmdline_allocate(void);
int __archive_cmdline_parse(struct archive_cmdline *, const char *);
int __archive_cmdline_free(struct archive_cmdline *);
#endif

83
3rdparty/libarchive/c/archive_crc32.h vendored Normal file
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@ -0,0 +1,83 @@
/*-
* Copyright (c) 2009 Joerg Sonnenberger
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: head/lib/libarchive/archive_crc32.h 201102 2009-12-28 03:11:36Z kientzle $
*/
#ifndef ARCHIVE_CRC32_H
#define ARCHIVE_CRC32_H
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
/*
* When zlib is unavailable, we should still be able to validate
* uncompressed zip archives. That requires us to be able to compute
* the CRC32 check value. This is a drop-in compatible replacement
* for crc32() from zlib. It's slower than the zlib implementation,
* but still pretty fast: This runs about 300MB/s on my 3GHz P4
* compared to about 800MB/s for the zlib implementation.
*/
static unsigned long
crc32(unsigned long crc, const void *_p, size_t len)
{
unsigned long crc2, b, i;
const unsigned char *p = _p;
static volatile int crc_tbl_inited = 0;
static unsigned long crc_tbl[256];
if (!crc_tbl_inited) {
for (b = 0; b < 256; ++b) {
crc2 = b;
for (i = 8; i > 0; --i) {
if (crc2 & 1)
crc2 = (crc2 >> 1) ^ 0xedb88320UL;
else
crc2 = (crc2 >> 1);
}
crc_tbl[b] = crc2;
}
crc_tbl_inited = 1;
}
crc = crc ^ 0xffffffffUL;
/* A use of this loop is about 20% - 30% faster than
* no use version in any optimization option of gcc. */
for (;len >= 8; len -= 8) {
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
}
while (len--)
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
return (crc ^ 0xffffffffUL);
}
#endif

519
3rdparty/libarchive/c/archive_cryptor.c vendored Normal file
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@ -0,0 +1,519 @@
/*-
* Copyright (c) 2014 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "archive.h"
#include "archive_cryptor_private.h"
/*
* On systems that do not support any recognized crypto libraries,
* this file will normally define no usable symbols.
*
* But some compilers and linkers choke on empty object files, so
* define a public symbol that will always exist. This could
* be removed someday if this file gains another always-present
* symbol definition.
*/
int __libarchive_cryptor_build_hack(void) {
return 0;
}
#ifdef ARCHIVE_CRYPTOR_USE_Apple_CommonCrypto
static int
pbkdf2_sha1(const char *pw, size_t pw_len, const uint8_t *salt,
size_t salt_len, unsigned rounds, uint8_t *derived_key,
size_t derived_key_len)
{
CCKeyDerivationPBKDF(kCCPBKDF2, (const char *)pw,
pw_len, salt, salt_len, kCCPRFHmacAlgSHA1, rounds,
derived_key, derived_key_len);
return 0;
}
#elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H)
#ifdef _MSC_VER
#pragma comment(lib, "Bcrypt.lib")
#endif
static int
pbkdf2_sha1(const char *pw, size_t pw_len, const uint8_t *salt,
size_t salt_len, unsigned rounds, uint8_t *derived_key,
size_t derived_key_len)
{
NTSTATUS status;
BCRYPT_ALG_HANDLE hAlg;
status = BCryptOpenAlgorithmProvider(&hAlg, BCRYPT_SHA1_ALGORITHM,
MS_PRIMITIVE_PROVIDER, BCRYPT_ALG_HANDLE_HMAC_FLAG);
if (!BCRYPT_SUCCESS(status))
return -1;
status = BCryptDeriveKeyPBKDF2(hAlg,
(PUCHAR)(uintptr_t)pw, (ULONG)pw_len,
(PUCHAR)(uintptr_t)salt, (ULONG)salt_len, rounds,
(PUCHAR)derived_key, (ULONG)derived_key_len, 0);
BCryptCloseAlgorithmProvider(hAlg, 0);
return (BCRYPT_SUCCESS(status)) ? 0: -1;
}
#elif defined(HAVE_LIBMBEDCRYPTO) && defined(HAVE_MBEDTLS_PKCS5_H)
static int
pbkdf2_sha1(const char *pw, size_t pw_len, const uint8_t *salt,
size_t salt_len, unsigned rounds, uint8_t *derived_key,
size_t derived_key_len)
{
mbedtls_md_context_t ctx;
const mbedtls_md_info_t *info;
int ret;
mbedtls_md_init(&ctx);
info = mbedtls_md_info_from_type(MBEDTLS_MD_SHA1);
if (info == NULL) {
mbedtls_md_free(&ctx);
return (-1);
}
ret = mbedtls_md_setup(&ctx, info, 1);
if (ret != 0) {
mbedtls_md_free(&ctx);
return (-1);
}
ret = mbedtls_pkcs5_pbkdf2_hmac(&ctx, (const unsigned char *)pw,
pw_len, salt, salt_len, rounds, derived_key_len, derived_key);
mbedtls_md_free(&ctx);
return (ret);
}
#elif defined(HAVE_LIBNETTLE) && defined(HAVE_NETTLE_PBKDF2_H)
static int
pbkdf2_sha1(const char *pw, size_t pw_len, const uint8_t *salt,
size_t salt_len, unsigned rounds, uint8_t *derived_key,
size_t derived_key_len) {
pbkdf2_hmac_sha1((unsigned)pw_len, (const uint8_t *)pw, rounds,
salt_len, salt, derived_key_len, derived_key);
return 0;
}
#elif defined(HAVE_LIBCRYPTO) && defined(HAVE_PKCS5_PBKDF2_HMAC_SHA1)
static int
pbkdf2_sha1(const char *pw, size_t pw_len, const uint8_t *salt,
size_t salt_len, unsigned rounds, uint8_t *derived_key,
size_t derived_key_len) {
PKCS5_PBKDF2_HMAC_SHA1(pw, pw_len, salt, salt_len, rounds,
derived_key_len, derived_key);
return 0;
}
#else
/* Stub */
static int
pbkdf2_sha1(const char *pw, size_t pw_len, const uint8_t *salt,
size_t salt_len, unsigned rounds, uint8_t *derived_key,
size_t derived_key_len) {
(void)pw; /* UNUSED */
(void)pw_len; /* UNUSED */
(void)salt; /* UNUSED */
(void)salt_len; /* UNUSED */
(void)rounds; /* UNUSED */
(void)derived_key; /* UNUSED */
(void)derived_key_len; /* UNUSED */
return -1; /* UNSUPPORTED */
}
#endif
#ifdef ARCHIVE_CRYPTOR_USE_Apple_CommonCrypto
# if MAC_OS_X_VERSION_MAX_ALLOWED < 1090
# define kCCAlgorithmAES kCCAlgorithmAES128
# endif
static int
aes_ctr_init(archive_crypto_ctx *ctx, const uint8_t *key, size_t key_len)
{
CCCryptorStatus r;
ctx->key_len = key_len;
memcpy(ctx->key, key, key_len);
memset(ctx->nonce, 0, sizeof(ctx->nonce));
ctx->encr_pos = AES_BLOCK_SIZE;
r = CCCryptorCreateWithMode(kCCEncrypt, kCCModeECB, kCCAlgorithmAES,
ccNoPadding, NULL, key, key_len, NULL, 0, 0, 0, &ctx->ctx);
return (r == kCCSuccess)? 0: -1;
}
static int
aes_ctr_encrypt_counter(archive_crypto_ctx *ctx)
{
CCCryptorRef ref = ctx->ctx;
CCCryptorStatus r;
r = CCCryptorReset(ref, NULL);
if (r != kCCSuccess && r != kCCUnimplemented)
return -1;
r = CCCryptorUpdate(ref, ctx->nonce, AES_BLOCK_SIZE, ctx->encr_buf,
AES_BLOCK_SIZE, NULL);
return (r == kCCSuccess)? 0: -1;
}
static int
aes_ctr_release(archive_crypto_ctx *ctx)
{
memset(ctx->key, 0, ctx->key_len);
memset(ctx->nonce, 0, sizeof(ctx->nonce));
return 0;
}
#elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H)
static int
aes_ctr_init(archive_crypto_ctx *ctx, const uint8_t *key, size_t key_len)
{
BCRYPT_ALG_HANDLE hAlg;
BCRYPT_KEY_HANDLE hKey;
DWORD keyObj_len, aes_key_len;
PBYTE keyObj;
ULONG result;
NTSTATUS status;
BCRYPT_KEY_LENGTHS_STRUCT key_lengths;
ctx->hAlg = NULL;
ctx->hKey = NULL;
ctx->keyObj = NULL;
switch (key_len) {
case 16: aes_key_len = 128; break;
case 24: aes_key_len = 192; break;
case 32: aes_key_len = 256; break;
default: return -1;
}
status = BCryptOpenAlgorithmProvider(&hAlg, BCRYPT_AES_ALGORITHM,
MS_PRIMITIVE_PROVIDER, 0);
if (!BCRYPT_SUCCESS(status))
return -1;
status = BCryptGetProperty(hAlg, BCRYPT_KEY_LENGTHS, (PUCHAR)&key_lengths,
sizeof(key_lengths), &result, 0);
if (!BCRYPT_SUCCESS(status)) {
BCryptCloseAlgorithmProvider(hAlg, 0);
return -1;
}
if (key_lengths.dwMinLength > aes_key_len
|| key_lengths.dwMaxLength < aes_key_len) {
BCryptCloseAlgorithmProvider(hAlg, 0);
return -1;
}
status = BCryptGetProperty(hAlg, BCRYPT_OBJECT_LENGTH, (PUCHAR)&keyObj_len,
sizeof(keyObj_len), &result, 0);
if (!BCRYPT_SUCCESS(status)) {
BCryptCloseAlgorithmProvider(hAlg, 0);
return -1;
}
keyObj = (PBYTE)HeapAlloc(GetProcessHeap(), 0, keyObj_len);
if (keyObj == NULL) {
BCryptCloseAlgorithmProvider(hAlg, 0);
return -1;
}
status = BCryptSetProperty(hAlg, BCRYPT_CHAINING_MODE,
(PUCHAR)BCRYPT_CHAIN_MODE_ECB, sizeof(BCRYPT_CHAIN_MODE_ECB), 0);
if (!BCRYPT_SUCCESS(status)) {
BCryptCloseAlgorithmProvider(hAlg, 0);
HeapFree(GetProcessHeap(), 0, keyObj);
return -1;
}
status = BCryptGenerateSymmetricKey(hAlg, &hKey,
keyObj, keyObj_len,
(PUCHAR)(uintptr_t)key, (ULONG)key_len, 0);
if (!BCRYPT_SUCCESS(status)) {
BCryptCloseAlgorithmProvider(hAlg, 0);
HeapFree(GetProcessHeap(), 0, keyObj);
return -1;
}
ctx->hAlg = hAlg;
ctx->hKey = hKey;
ctx->keyObj = keyObj;
ctx->keyObj_len = keyObj_len;
ctx->encr_pos = AES_BLOCK_SIZE;
return 0;
}
static int
aes_ctr_encrypt_counter(archive_crypto_ctx *ctx)
{
NTSTATUS status;
ULONG result;
status = BCryptEncrypt(ctx->hKey, (PUCHAR)ctx->nonce, AES_BLOCK_SIZE,
NULL, NULL, 0, (PUCHAR)ctx->encr_buf, AES_BLOCK_SIZE,
&result, 0);
return BCRYPT_SUCCESS(status) ? 0 : -1;
}
static int
aes_ctr_release(archive_crypto_ctx *ctx)
{
if (ctx->hAlg != NULL) {
BCryptCloseAlgorithmProvider(ctx->hAlg, 0);
ctx->hAlg = NULL;
BCryptDestroyKey(ctx->hKey);
ctx->hKey = NULL;
HeapFree(GetProcessHeap(), 0, ctx->keyObj);
ctx->keyObj = NULL;
}
memset(ctx, 0, sizeof(*ctx));
return 0;
}
#elif defined(HAVE_LIBMBEDCRYPTO) && defined(HAVE_MBEDTLS_AES_H)
static int
aes_ctr_init(archive_crypto_ctx *ctx, const uint8_t *key, size_t key_len)
{
mbedtls_aes_init(&ctx->ctx);
ctx->key_len = key_len;
memcpy(ctx->key, key, key_len);
memset(ctx->nonce, 0, sizeof(ctx->nonce));
ctx->encr_pos = AES_BLOCK_SIZE;
return 0;
}
static int
aes_ctr_encrypt_counter(archive_crypto_ctx *ctx)
{
if (mbedtls_aes_setkey_enc(&ctx->ctx, ctx->key,
ctx->key_len * 8) != 0)
return (-1);
if (mbedtls_aes_crypt_ecb(&ctx->ctx, MBEDTLS_AES_ENCRYPT, ctx->nonce,
ctx->encr_buf) != 0)
return (-1);
return 0;
}
static int
aes_ctr_release(archive_crypto_ctx *ctx)
{
mbedtls_aes_free(&ctx->ctx);
memset(ctx, 0, sizeof(*ctx));
return 0;
}
#elif defined(HAVE_LIBNETTLE) && defined(HAVE_NETTLE_AES_H)
static int
aes_ctr_init(archive_crypto_ctx *ctx, const uint8_t *key, size_t key_len)
{
ctx->key_len = key_len;
memcpy(ctx->key, key, key_len);
memset(ctx->nonce, 0, sizeof(ctx->nonce));
ctx->encr_pos = AES_BLOCK_SIZE;
memset(&ctx->ctx, 0, sizeof(ctx->ctx));
return 0;
}
static int
aes_ctr_encrypt_counter(archive_crypto_ctx *ctx)
{
aes_set_encrypt_key(&ctx->ctx, ctx->key_len, ctx->key);
aes_encrypt(&ctx->ctx, AES_BLOCK_SIZE, ctx->encr_buf, ctx->nonce);
return 0;
}
static int
aes_ctr_release(archive_crypto_ctx *ctx)
{
memset(ctx, 0, sizeof(*ctx));
return 0;
}
#elif defined(HAVE_LIBCRYPTO)
static int
aes_ctr_init(archive_crypto_ctx *ctx, const uint8_t *key, size_t key_len)
{
if ((ctx->ctx = EVP_CIPHER_CTX_new()) == NULL)
return -1;
switch (key_len) {
case 16: ctx->type = EVP_aes_128_ecb(); break;
case 24: ctx->type = EVP_aes_192_ecb(); break;
case 32: ctx->type = EVP_aes_256_ecb(); break;
default: ctx->type = NULL; return -1;
}
ctx->key_len = key_len;
memcpy(ctx->key, key, key_len);
memset(ctx->nonce, 0, sizeof(ctx->nonce));
ctx->encr_pos = AES_BLOCK_SIZE;
#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
if (!EVP_CIPHER_CTX_reset(ctx->ctx)) {
EVP_CIPHER_CTX_free(ctx->ctx);
ctx->ctx = NULL;
}
#else
EVP_CIPHER_CTX_init(ctx->ctx);
#endif
return 0;
}
static int
aes_ctr_encrypt_counter(archive_crypto_ctx *ctx)
{
int outl = 0;
int r;
r = EVP_EncryptInit_ex(ctx->ctx, ctx->type, NULL, ctx->key, NULL);
if (r == 0)
return -1;
r = EVP_EncryptUpdate(ctx->ctx, ctx->encr_buf, &outl, ctx->nonce,
AES_BLOCK_SIZE);
if (r == 0 || outl != AES_BLOCK_SIZE)
return -1;
return 0;
}
static int
aes_ctr_release(archive_crypto_ctx *ctx)
{
EVP_CIPHER_CTX_free(ctx->ctx);
memset(ctx->key, 0, ctx->key_len);
memset(ctx->nonce, 0, sizeof(ctx->nonce));
return 0;
}
#else
#define ARCHIVE_CRYPTOR_STUB
/* Stub */
static int
aes_ctr_init(archive_crypto_ctx *ctx, const uint8_t *key, size_t key_len)
{
(void)ctx; /* UNUSED */
(void)key; /* UNUSED */
(void)key_len; /* UNUSED */
return -1;
}
static int
aes_ctr_encrypt_counter(archive_crypto_ctx *ctx)
{
(void)ctx; /* UNUSED */
return -1;
}
static int
aes_ctr_release(archive_crypto_ctx *ctx)
{
(void)ctx; /* UNUSED */
return 0;
}
#endif
#ifdef ARCHIVE_CRYPTOR_STUB
static int
aes_ctr_update(archive_crypto_ctx *ctx, const uint8_t * const in,
size_t in_len, uint8_t * const out, size_t *out_len)
{
(void)ctx; /* UNUSED */
(void)in; /* UNUSED */
(void)in_len; /* UNUSED */
(void)out; /* UNUSED */
(void)out_len; /* UNUSED */
aes_ctr_encrypt_counter(ctx); /* UNUSED */ /* Fix unused function warning */
return -1;
}
#else
static void
aes_ctr_increase_counter(archive_crypto_ctx *ctx)
{
uint8_t *const nonce = ctx->nonce;
int j;
for (j = 0; j < 8; j++) {
if (++nonce[j])
break;
}
}
static int
aes_ctr_update(archive_crypto_ctx *ctx, const uint8_t * const in,
size_t in_len, uint8_t * const out, size_t *out_len)
{
uint8_t *const ebuf = ctx->encr_buf;
unsigned pos = ctx->encr_pos;
unsigned max = (unsigned)((in_len < *out_len)? in_len: *out_len);
unsigned i;
for (i = 0; i < max; ) {
if (pos == AES_BLOCK_SIZE) {
aes_ctr_increase_counter(ctx);
if (aes_ctr_encrypt_counter(ctx) != 0)
return -1;
while (max -i >= AES_BLOCK_SIZE) {
for (pos = 0; pos < AES_BLOCK_SIZE; pos++)
out[i+pos] = in[i+pos] ^ ebuf[pos];
i += AES_BLOCK_SIZE;
aes_ctr_increase_counter(ctx);
if (aes_ctr_encrypt_counter(ctx) != 0)
return -1;
}
pos = 0;
if (i >= max)
break;
}
out[i] = in[i] ^ ebuf[pos++];
i++;
}
ctx->encr_pos = pos;
*out_len = i;
return 0;
}
#endif /* ARCHIVE_CRYPTOR_STUB */
const struct archive_cryptor __archive_cryptor =
{
&pbkdf2_sha1,
&aes_ctr_init,
&aes_ctr_update,
&aes_ctr_release,
&aes_ctr_init,
&aes_ctr_update,
&aes_ctr_release,
};

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/*-
* Copyright (c) 2014 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ARCHIVE_CRYPTOR_PRIVATE_H_INCLUDED
#define ARCHIVE_CRYPTOR_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
/*
* On systems that do not support any recognized crypto libraries,
* the archive_cryptor.c file will normally define no usable symbols.
*
* But some compilers and linkers choke on empty object files, so
* define a public symbol that will always exist. This could
* be removed someday if this file gains another always-present
* symbol definition.
*/
int __libarchive_cryptor_build_hack(void);
#ifdef __APPLE__
# include <AvailabilityMacros.h>
# if MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
# define ARCHIVE_CRYPTOR_USE_Apple_CommonCrypto
# endif
#endif
#ifdef ARCHIVE_CRYPTOR_USE_Apple_CommonCrypto
#include <CommonCrypto/CommonCryptor.h>
#include <CommonCrypto/CommonKeyDerivation.h>
#define AES_BLOCK_SIZE 16
#define AES_MAX_KEY_SIZE kCCKeySizeAES256
typedef struct {
CCCryptorRef ctx;
uint8_t key[AES_MAX_KEY_SIZE];
unsigned key_len;
uint8_t nonce[AES_BLOCK_SIZE];
uint8_t encr_buf[AES_BLOCK_SIZE];
unsigned encr_pos;
} archive_crypto_ctx;
#elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H)
#include <bcrypt.h>
/* Common in other bcrypt implementations, but missing from VS2008. */
#ifndef BCRYPT_SUCCESS
#define BCRYPT_SUCCESS(r) ((NTSTATUS)(r) == STATUS_SUCCESS)
#endif
#define AES_MAX_KEY_SIZE 32
#define AES_BLOCK_SIZE 16
typedef struct {
BCRYPT_ALG_HANDLE hAlg;
BCRYPT_KEY_HANDLE hKey;
PBYTE keyObj;
DWORD keyObj_len;
uint8_t nonce[AES_BLOCK_SIZE];
uint8_t encr_buf[AES_BLOCK_SIZE];
unsigned encr_pos;
} archive_crypto_ctx;
#elif defined(HAVE_LIBMBEDCRYPTO) && defined(HAVE_MBEDTLS_AES_H)
#include <mbedtls/aes.h>
#include <mbedtls/md.h>
#include <mbedtls/pkcs5.h>
#define AES_MAX_KEY_SIZE 32
#define AES_BLOCK_SIZE 16
typedef struct {
mbedtls_aes_context ctx;
uint8_t key[AES_MAX_KEY_SIZE];
unsigned key_len;
uint8_t nonce[AES_BLOCK_SIZE];
uint8_t encr_buf[AES_BLOCK_SIZE];
unsigned encr_pos;
} archive_crypto_ctx;
#elif defined(HAVE_LIBNETTLE) && defined(HAVE_NETTLE_AES_H)
#if defined(HAVE_NETTLE_PBKDF2_H)
#include <nettle/pbkdf2.h>
#endif
#include <nettle/aes.h>
typedef struct {
struct aes_ctx ctx;
uint8_t key[AES_MAX_KEY_SIZE];
unsigned key_len;
uint8_t nonce[AES_BLOCK_SIZE];
uint8_t encr_buf[AES_BLOCK_SIZE];
unsigned encr_pos;
} archive_crypto_ctx;
#elif defined(HAVE_LIBCRYPTO)
#include "archive_openssl_evp_private.h"
#define AES_BLOCK_SIZE 16
#define AES_MAX_KEY_SIZE 32
typedef struct {
EVP_CIPHER_CTX *ctx;
const EVP_CIPHER *type;
uint8_t key[AES_MAX_KEY_SIZE];
unsigned key_len;
uint8_t nonce[AES_BLOCK_SIZE];
uint8_t encr_buf[AES_BLOCK_SIZE];
unsigned encr_pos;
} archive_crypto_ctx;
#else
#define AES_BLOCK_SIZE 16
#define AES_MAX_KEY_SIZE 32
typedef int archive_crypto_ctx;
#endif
/* defines */
#define archive_pbkdf2_sha1(pw, pw_len, salt, salt_len, rounds, dk, dk_len)\
__archive_cryptor.pbkdf2sha1(pw, pw_len, salt, salt_len, rounds, dk, dk_len)
#define archive_decrypto_aes_ctr_init(ctx, key, key_len) \
__archive_cryptor.decrypto_aes_ctr_init(ctx, key, key_len)
#define archive_decrypto_aes_ctr_update(ctx, in, in_len, out, out_len) \
__archive_cryptor.decrypto_aes_ctr_update(ctx, in, in_len, out, out_len)
#define archive_decrypto_aes_ctr_release(ctx) \
__archive_cryptor.decrypto_aes_ctr_release(ctx)
#define archive_encrypto_aes_ctr_init(ctx, key, key_len) \
__archive_cryptor.encrypto_aes_ctr_init(ctx, key, key_len)
#define archive_encrypto_aes_ctr_update(ctx, in, in_len, out, out_len) \
__archive_cryptor.encrypto_aes_ctr_update(ctx, in, in_len, out, out_len)
#define archive_encrypto_aes_ctr_release(ctx) \
__archive_cryptor.encrypto_aes_ctr_release(ctx)
/* Minimal interface to cryptographic functionality for internal use in
* libarchive */
struct archive_cryptor
{
/* PKCS5 PBKDF2 HMAC-SHA1 */
int (*pbkdf2sha1)(const char *pw, size_t pw_len, const uint8_t *salt,
size_t salt_len, unsigned rounds, uint8_t *derived_key,
size_t derived_key_len);
/* AES CTR mode(little endian version) */
int (*decrypto_aes_ctr_init)(archive_crypto_ctx *, const uint8_t *, size_t);
int (*decrypto_aes_ctr_update)(archive_crypto_ctx *, const uint8_t *,
size_t, uint8_t *, size_t *);
int (*decrypto_aes_ctr_release)(archive_crypto_ctx *);
int (*encrypto_aes_ctr_init)(archive_crypto_ctx *, const uint8_t *, size_t);
int (*encrypto_aes_ctr_update)(archive_crypto_ctx *, const uint8_t *,
size_t, uint8_t *, size_t *);
int (*encrypto_aes_ctr_release)(archive_crypto_ctx *);
};
extern const struct archive_cryptor __archive_cryptor;
#endif

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* Copyright (c) 2011 Andres Mejia
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ARCHIVE_DIGEST_PRIVATE_H_INCLUDED
#define ARCHIVE_DIGEST_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
/*
* Crypto support in various Operating Systems:
*
* NetBSD:
* - MD5 and SHA1 in libc: without _ after algorithm name
* - SHA2 in libc: with _ after algorithm name
*
* OpenBSD:
* - MD5, SHA1 and SHA2 in libc: without _ after algorithm name
* - OpenBSD 4.4 and earlier have SHA2 in libc with _ after algorithm name
*
* DragonFly and FreeBSD:
* - MD5 libmd: without _ after algorithm name
* - SHA1, SHA256 and SHA512 in libmd: with _ after algorithm name
*
* Mac OS X (10.4 and later):
* - MD5, SHA1 and SHA2 in libSystem: with CC_ prefix and _ after algorithm name
*
* OpenSSL:
* - MD5, SHA1 and SHA2 in libcrypto: with _ after algorithm name
*
* Windows:
* - MD5, SHA1 and SHA2 in archive_crypto.c using Windows crypto API
*/
/* libc crypto headers */
#if defined(ARCHIVE_CRYPTO_MD5_LIBC)
#include <md5.h>
#endif
#if defined(ARCHIVE_CRYPTO_RMD160_LIBC)
#include <rmd160.h>
#endif
#if defined(ARCHIVE_CRYPTO_SHA1_LIBC)
#include <sha1.h>
#endif
#if defined(ARCHIVE_CRYPTO_SHA256_LIBC) ||\
defined(ARCHIVE_CRYPTO_SHA256_LIBC2) ||\
defined(ARCHIVE_CRYPTO_SHA256_LIBC3) ||\
defined(ARCHIVE_CRYPTO_SHA384_LIBC) ||\
defined(ARCHIVE_CRYPTO_SHA384_LIBC2) ||\
defined(ARCHIVE_CRYPTO_SHA384_LIBC3) ||\
defined(ARCHIVE_CRYPTO_SHA512_LIBC) ||\
defined(ARCHIVE_CRYPTO_SHA512_LIBC2) ||\
defined(ARCHIVE_CRYPTO_SHA512_LIBC3)
#include <sha2.h>
#endif
/* libmd crypto headers */
#if defined(ARCHIVE_CRYPTO_MD5_LIBMD) ||\
defined(ARCHIVE_CRYPTO_RMD160_LIBMD) ||\
defined(ARCHIVE_CRYPTO_SHA1_LIBMD) ||\
defined(ARCHIVE_CRYPTO_SHA256_LIBMD) ||\
defined(ARCHIVE_CRYPTO_SHA512_LIBMD)
#define ARCHIVE_CRYPTO_LIBMD 1
#endif
#if defined(ARCHIVE_CRYPTO_MD5_LIBMD)
#include <md5.h>
#endif
#if defined(ARCHIVE_CRYPTO_RMD160_LIBMD)
#include <ripemd.h>
#endif
#if defined(ARCHIVE_CRYPTO_SHA1_LIBMD)
#include <sha.h>
#endif
#if defined(ARCHIVE_CRYPTO_SHA256_LIBMD)
#include <sha256.h>
#endif
#if defined(ARCHIVE_CRYPTO_SHA512_LIBMD)
#include <sha512.h>
#endif
/* libSystem crypto headers */
#if defined(ARCHIVE_CRYPTO_MD5_LIBSYSTEM) ||\
defined(ARCHIVE_CRYPTO_SHA1_LIBSYSTEM) ||\
defined(ARCHIVE_CRYPTO_SHA256_LIBSYSTEM) ||\
defined(ARCHIVE_CRYPTO_SHA384_LIBSYSTEM) ||\
defined(ARCHIVE_CRYPTO_SHA512_LIBSYSTEM)
#include <CommonCrypto/CommonDigest.h>
#endif
/* mbed TLS crypto headers */
#if defined(ARCHIVE_CRYPTO_MD5_MBEDTLS)
#include <mbedtls/md5.h>
#endif
#if defined(ARCHIVE_CRYPTO_RMD160_MBEDTLS)
#include <mbedtls/ripemd160.h>
#endif
#if defined(ARCHIVE_CRYPTO_SHA1_MBEDTLS)
#include <mbedtls/sha1.h>
#endif
#if defined(ARCHIVE_CRYPTO_SHA256_MBEDTLS)
#include <mbedtls/sha256.h>
#endif
#if defined(ARCHIVE_CRYPTO_SHA384_MBEDTLS) ||\
defined(ARCHIVE_CRYPTO_SHA512_MBEDTLS)
#include <mbedtls/sha512.h>
#endif
/* Nettle crypto headers */
#if defined(ARCHIVE_CRYPTO_MD5_NETTLE)
#include <nettle/md5.h>
#endif
#if defined(ARCHIVE_CRYPTO_RMD160_NETTLE)
#include <nettle/ripemd160.h>
#endif
#if defined(ARCHIVE_CRYPTO_SHA1_NETTLE) ||\
defined(ARCHIVE_CRYPTO_SHA256_NETTLE) ||\
defined(ARCHIVE_CRYPTO_SHA384_NETTLE) ||\
defined(ARCHIVE_CRYPTO_SHA512_NETTLE)
#include <nettle/sha.h>
#endif
/* OpenSSL crypto headers */
#if defined(ARCHIVE_CRYPTO_MD5_OPENSSL) ||\
defined(ARCHIVE_CRYPTO_RMD160_OPENSSL) ||\
defined(ARCHIVE_CRYPTO_SHA1_OPENSSL) ||\
defined(ARCHIVE_CRYPTO_SHA256_OPENSSL) ||\
defined(ARCHIVE_CRYPTO_SHA384_OPENSSL) ||\
defined(ARCHIVE_CRYPTO_SHA512_OPENSSL)
#define ARCHIVE_CRYPTO_OPENSSL 1
#include "archive_openssl_evp_private.h"
#endif
/* Windows crypto headers */
#if defined(ARCHIVE_CRYPTO_MD5_WIN) ||\
defined(ARCHIVE_CRYPTO_SHA1_WIN) ||\
defined(ARCHIVE_CRYPTO_SHA256_WIN) ||\
defined(ARCHIVE_CRYPTO_SHA384_WIN) ||\
defined(ARCHIVE_CRYPTO_SHA512_WIN)
#include <windows.h>
#include <wincrypt.h>
typedef struct {
int valid;
HCRYPTPROV cryptProv;
HCRYPTHASH hash;
} Digest_CTX;
#endif
/* typedefs */
#if defined(ARCHIVE_CRYPTO_MD5_LIBC)
typedef MD5_CTX archive_md5_ctx;
#elif defined(ARCHIVE_CRYPTO_MD5_LIBMD)
typedef MD5_CTX archive_md5_ctx;
#elif defined(ARCHIVE_CRYPTO_MD5_LIBSYSTEM)
typedef CC_MD5_CTX archive_md5_ctx;
#elif defined(ARCHIVE_CRYPTO_MD5_MBEDTLS)
typedef mbedtls_md5_context archive_md5_ctx;
#elif defined(ARCHIVE_CRYPTO_MD5_NETTLE)
typedef struct md5_ctx archive_md5_ctx;
#elif defined(ARCHIVE_CRYPTO_MD5_OPENSSL)
typedef EVP_MD_CTX *archive_md5_ctx;
#elif defined(ARCHIVE_CRYPTO_MD5_WIN)
typedef Digest_CTX archive_md5_ctx;
#else
typedef unsigned char archive_md5_ctx;
#endif
#if defined(ARCHIVE_CRYPTO_RMD160_LIBC)
typedef RMD160_CTX archive_rmd160_ctx;
#elif defined(ARCHIVE_CRYPTO_RMD160_LIBMD)
typedef RIPEMD160_CTX archive_rmd160_ctx;
#elif defined(ARCHIVE_CRYPTO_RMD160_MBEDTLS)
typedef mbedtls_ripemd160_context archive_rmd160_ctx;
#elif defined(ARCHIVE_CRYPTO_RMD160_NETTLE)
typedef struct ripemd160_ctx archive_rmd160_ctx;
#elif defined(ARCHIVE_CRYPTO_RMD160_OPENSSL)
typedef EVP_MD_CTX *archive_rmd160_ctx;
#else
typedef unsigned char archive_rmd160_ctx;
#endif
#if defined(ARCHIVE_CRYPTO_SHA1_LIBC)
typedef SHA1_CTX archive_sha1_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA1_LIBMD)
typedef SHA1_CTX archive_sha1_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA1_LIBSYSTEM)
typedef CC_SHA1_CTX archive_sha1_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA1_MBEDTLS)
typedef mbedtls_sha1_context archive_sha1_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA1_NETTLE)
typedef struct sha1_ctx archive_sha1_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA1_OPENSSL)
typedef EVP_MD_CTX *archive_sha1_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA1_WIN)
typedef Digest_CTX archive_sha1_ctx;
#else
typedef unsigned char archive_sha1_ctx;
#endif
#if defined(ARCHIVE_CRYPTO_SHA256_LIBC)
typedef SHA256_CTX archive_sha256_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA256_LIBC2)
typedef SHA256_CTX archive_sha256_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA256_LIBC3)
typedef SHA2_CTX archive_sha256_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA256_LIBMD)
typedef SHA256_CTX archive_sha256_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA256_LIBSYSTEM)
typedef CC_SHA256_CTX archive_sha256_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA256_MBEDTLS)
typedef mbedtls_sha256_context archive_sha256_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA256_NETTLE)
typedef struct sha256_ctx archive_sha256_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA256_OPENSSL)
typedef EVP_MD_CTX *archive_sha256_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA256_WIN)
typedef Digest_CTX archive_sha256_ctx;
#else
typedef unsigned char archive_sha256_ctx;
#endif
#if defined(ARCHIVE_CRYPTO_SHA384_LIBC)
typedef SHA384_CTX archive_sha384_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA384_LIBC2)
typedef SHA384_CTX archive_sha384_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA384_LIBC3)
typedef SHA2_CTX archive_sha384_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA384_LIBSYSTEM)
typedef CC_SHA512_CTX archive_sha384_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA384_MBEDTLS)
typedef mbedtls_sha512_context archive_sha384_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA384_NETTLE)
typedef struct sha384_ctx archive_sha384_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA384_OPENSSL)
typedef EVP_MD_CTX *archive_sha384_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA384_WIN)
typedef Digest_CTX archive_sha384_ctx;
#else
typedef unsigned char archive_sha384_ctx;
#endif
#if defined(ARCHIVE_CRYPTO_SHA512_LIBC)
typedef SHA512_CTX archive_sha512_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA512_LIBC2)
typedef SHA512_CTX archive_sha512_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA512_LIBC3)
typedef SHA2_CTX archive_sha512_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA512_LIBMD)
typedef SHA512_CTX archive_sha512_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA512_LIBSYSTEM)
typedef CC_SHA512_CTX archive_sha512_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA512_MBEDTLS)
typedef mbedtls_sha512_context archive_sha512_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA512_NETTLE)
typedef struct sha512_ctx archive_sha512_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA512_OPENSSL)
typedef EVP_MD_CTX *archive_sha512_ctx;
#elif defined(ARCHIVE_CRYPTO_SHA512_WIN)
typedef Digest_CTX archive_sha512_ctx;
#else
typedef unsigned char archive_sha512_ctx;
#endif
/* defines */
#if defined(ARCHIVE_CRYPTO_MD5_LIBC) ||\
defined(ARCHIVE_CRYPTO_MD5_LIBMD) || \
defined(ARCHIVE_CRYPTO_MD5_LIBSYSTEM) ||\
defined(ARCHIVE_CRYPTO_MD5_MBEDTLS) ||\
defined(ARCHIVE_CRYPTO_MD5_NETTLE) ||\
defined(ARCHIVE_CRYPTO_MD5_OPENSSL) ||\
defined(ARCHIVE_CRYPTO_MD5_WIN)
#define ARCHIVE_HAS_MD5
#endif
#define archive_md5_init(ctx)\
__archive_digest.md5init(ctx)
#define archive_md5_final(ctx, md)\
__archive_digest.md5final(ctx, md)
#define archive_md5_update(ctx, buf, n)\
__archive_digest.md5update(ctx, buf, n)
#if defined(ARCHIVE_CRYPTO_RMD160_LIBC) ||\
defined(ARCHIVE_CRYPTO_RMD160_MBEDTLS) ||\
defined(ARCHIVE_CRYPTO_RMD160_NETTLE) ||\
defined(ARCHIVE_CRYPTO_RMD160_OPENSSL)
#define ARCHIVE_HAS_RMD160
#endif
#define archive_rmd160_init(ctx)\
__archive_digest.rmd160init(ctx)
#define archive_rmd160_final(ctx, md)\
__archive_digest.rmd160final(ctx, md)
#define archive_rmd160_update(ctx, buf, n)\
__archive_digest.rmd160update(ctx, buf, n)
#if defined(ARCHIVE_CRYPTO_SHA1_LIBC) ||\
defined(ARCHIVE_CRYPTO_SHA1_LIBMD) || \
defined(ARCHIVE_CRYPTO_SHA1_LIBSYSTEM) ||\
defined(ARCHIVE_CRYPTO_SHA1_MBEDTLS) ||\
defined(ARCHIVE_CRYPTO_SHA1_NETTLE) ||\
defined(ARCHIVE_CRYPTO_SHA1_OPENSSL) ||\
defined(ARCHIVE_CRYPTO_SHA1_WIN)
#define ARCHIVE_HAS_SHA1
#endif
#define archive_sha1_init(ctx)\
__archive_digest.sha1init(ctx)
#define archive_sha1_final(ctx, md)\
__archive_digest.sha1final(ctx, md)
#define archive_sha1_update(ctx, buf, n)\
__archive_digest.sha1update(ctx, buf, n)
#if defined(ARCHIVE_CRYPTO_SHA256_LIBC) ||\
defined(ARCHIVE_CRYPTO_SHA256_LIBC2) ||\
defined(ARCHIVE_CRYPTO_SHA256_LIBC3) ||\
defined(ARCHIVE_CRYPTO_SHA256_LIBMD) ||\
defined(ARCHIVE_CRYPTO_SHA256_LIBSYSTEM) ||\
defined(ARCHIVE_CRYPTO_SHA256_MBEDTLS) ||\
defined(ARCHIVE_CRYPTO_SHA256_NETTLE) ||\
defined(ARCHIVE_CRYPTO_SHA256_OPENSSL) ||\
defined(ARCHIVE_CRYPTO_SHA256_WIN)
#define ARCHIVE_HAS_SHA256
#endif
#define archive_sha256_init(ctx)\
__archive_digest.sha256init(ctx)
#define archive_sha256_final(ctx, md)\
__archive_digest.sha256final(ctx, md)
#define archive_sha256_update(ctx, buf, n)\
__archive_digest.sha256update(ctx, buf, n)
#if defined(ARCHIVE_CRYPTO_SHA384_LIBC) ||\
defined(ARCHIVE_CRYPTO_SHA384_LIBC2) ||\
defined(ARCHIVE_CRYPTO_SHA384_LIBC3) ||\
defined(ARCHIVE_CRYPTO_SHA384_LIBSYSTEM) ||\
defined(ARCHIVE_CRYPTO_SHA384_MBEDTLS) ||\
defined(ARCHIVE_CRYPTO_SHA384_NETTLE) ||\
defined(ARCHIVE_CRYPTO_SHA384_OPENSSL) ||\
defined(ARCHIVE_CRYPTO_SHA384_WIN)
#define ARCHIVE_HAS_SHA384
#endif
#define archive_sha384_init(ctx)\
__archive_digest.sha384init(ctx)
#define archive_sha384_final(ctx, md)\
__archive_digest.sha384final(ctx, md)
#define archive_sha384_update(ctx, buf, n)\
__archive_digest.sha384update(ctx, buf, n)
#if defined(ARCHIVE_CRYPTO_SHA512_LIBC) ||\
defined(ARCHIVE_CRYPTO_SHA512_LIBC2) ||\
defined(ARCHIVE_CRYPTO_SHA512_LIBC3) ||\
defined(ARCHIVE_CRYPTO_SHA512_LIBMD) ||\
defined(ARCHIVE_CRYPTO_SHA512_LIBSYSTEM) ||\
defined(ARCHIVE_CRYPTO_SHA512_MBEDTLS) ||\
defined(ARCHIVE_CRYPTO_SHA512_NETTLE) ||\
defined(ARCHIVE_CRYPTO_SHA512_OPENSSL) ||\
defined(ARCHIVE_CRYPTO_SHA512_WIN)
#define ARCHIVE_HAS_SHA512
#endif
#define archive_sha512_init(ctx)\
__archive_digest.sha512init(ctx)
#define archive_sha512_final(ctx, md)\
__archive_digest.sha512final(ctx, md)
#define archive_sha512_update(ctx, buf, n)\
__archive_digest.sha512update(ctx, buf, n)
/* Minimal interface to digest functionality for internal use in libarchive */
struct archive_digest
{
/* Message Digest */
int (*md5init)(archive_md5_ctx *ctx);
int (*md5update)(archive_md5_ctx *, const void *, size_t);
int (*md5final)(archive_md5_ctx *, void *);
int (*rmd160init)(archive_rmd160_ctx *);
int (*rmd160update)(archive_rmd160_ctx *, const void *, size_t);
int (*rmd160final)(archive_rmd160_ctx *, void *);
int (*sha1init)(archive_sha1_ctx *);
int (*sha1update)(archive_sha1_ctx *, const void *, size_t);
int (*sha1final)(archive_sha1_ctx *, void *);
int (*sha256init)(archive_sha256_ctx *);
int (*sha256update)(archive_sha256_ctx *, const void *, size_t);
int (*sha256final)(archive_sha256_ctx *, void *);
int (*sha384init)(archive_sha384_ctx *);
int (*sha384update)(archive_sha384_ctx *, const void *, size_t);
int (*sha384final)(archive_sha384_ctx *, void *);
int (*sha512init)(archive_sha512_ctx *);
int (*sha512update)(archive_sha512_ctx *, const void *, size_t);
int (*sha512final)(archive_sha512_ctx *, void *);
};
extern const struct archive_digest __archive_digest;
#endif

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3rdparty/libarchive/c/archive_disk_acl_darwin.c vendored Normal file
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@ -0,0 +1,559 @@
/*-
* Copyright (c) 2017 Martin Matuska
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
#if ARCHIVE_ACL_DARWIN
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#if HAVE_MEMBERSHIP_H
#include <membership.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_ACL_H
#define _ACL_PRIVATE /* For debugging */
#include <sys/acl.h>
#endif
#include "archive_entry.h"
#include "archive_private.h"
#include "archive_read_disk_private.h"
#include "archive_write_disk_private.h"
typedef struct {
const int a_perm; /* Libarchive permission or flag */
const int p_perm; /* Platform permission or flag */
} acl_perm_map_t;
static const acl_perm_map_t acl_nfs4_perm_map[] = {
{ARCHIVE_ENTRY_ACL_READ_DATA, ACL_READ_DATA},
{ARCHIVE_ENTRY_ACL_LIST_DIRECTORY, ACL_LIST_DIRECTORY},
{ARCHIVE_ENTRY_ACL_WRITE_DATA, ACL_WRITE_DATA},
{ARCHIVE_ENTRY_ACL_ADD_FILE, ACL_ADD_FILE},
{ARCHIVE_ENTRY_ACL_EXECUTE, ACL_EXECUTE},
{ARCHIVE_ENTRY_ACL_DELETE, ACL_DELETE},
{ARCHIVE_ENTRY_ACL_APPEND_DATA, ACL_APPEND_DATA},
{ARCHIVE_ENTRY_ACL_ADD_SUBDIRECTORY, ACL_ADD_SUBDIRECTORY},
{ARCHIVE_ENTRY_ACL_DELETE_CHILD, ACL_DELETE_CHILD},
{ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES, ACL_READ_ATTRIBUTES},
{ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES, ACL_WRITE_ATTRIBUTES},
{ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS, ACL_READ_EXTATTRIBUTES},
{ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS, ACL_WRITE_EXTATTRIBUTES},
{ARCHIVE_ENTRY_ACL_READ_ACL, ACL_READ_SECURITY},
{ARCHIVE_ENTRY_ACL_WRITE_ACL, ACL_WRITE_SECURITY},
{ARCHIVE_ENTRY_ACL_WRITE_OWNER, ACL_CHANGE_OWNER},
#if HAVE_DECL_ACL_SYNCHRONIZE
{ARCHIVE_ENTRY_ACL_SYNCHRONIZE, ACL_SYNCHRONIZE}
#endif
};
static const int acl_nfs4_perm_map_size =
(int)(sizeof(acl_nfs4_perm_map)/sizeof(acl_nfs4_perm_map[0]));
static const acl_perm_map_t acl_nfs4_flag_map[] = {
{ARCHIVE_ENTRY_ACL_ENTRY_INHERITED, ACL_ENTRY_INHERITED},
{ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT, ACL_ENTRY_FILE_INHERIT},
{ARCHIVE_ENTRY_ACL_ENTRY_DIRECTORY_INHERIT, ACL_ENTRY_DIRECTORY_INHERIT},
{ARCHIVE_ENTRY_ACL_ENTRY_NO_PROPAGATE_INHERIT, ACL_ENTRY_LIMIT_INHERIT},
{ARCHIVE_ENTRY_ACL_ENTRY_INHERIT_ONLY, ACL_ENTRY_ONLY_INHERIT}
};
static const int acl_nfs4_flag_map_size =
(int)(sizeof(acl_nfs4_flag_map)/sizeof(acl_nfs4_flag_map[0]));
static int translate_guid(struct archive *a, acl_entry_t acl_entry,
int *ae_id, int *ae_tag, const char **ae_name)
{
void *q;
uid_t ugid;
int r, idtype;
q = acl_get_qualifier(acl_entry);
if (q == NULL)
return (1);
r = mbr_uuid_to_id((const unsigned char *)q, &ugid, &idtype);
if (r != 0) {
acl_free(q);
return (1);
}
if (idtype == ID_TYPE_UID) {
*ae_tag = ARCHIVE_ENTRY_ACL_USER;
*ae_id = ugid;
*ae_name = archive_read_disk_uname(a, *ae_id);
} else if (idtype == ID_TYPE_GID) {
*ae_tag = ARCHIVE_ENTRY_ACL_GROUP;
*ae_id = ugid;
*ae_name = archive_read_disk_gname(a, *ae_id);
} else
r = 1;
acl_free(q);
return (r);
}
static void
add_trivial_nfs4_acl(struct archive_entry *entry)
{
mode_t mode;
int i;
const int rperm = ARCHIVE_ENTRY_ACL_READ_DATA;
const int wperm = ARCHIVE_ENTRY_ACL_WRITE_DATA |
ARCHIVE_ENTRY_ACL_APPEND_DATA;
const int eperm = ARCHIVE_ENTRY_ACL_EXECUTE;
const int pubset = ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES |
ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS |
ARCHIVE_ENTRY_ACL_READ_ACL |
ARCHIVE_ENTRY_ACL_SYNCHRONIZE;
const int ownset = pubset | ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES |
ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS |
ARCHIVE_ENTRY_ACL_WRITE_ACL |
ARCHIVE_ENTRY_ACL_WRITE_OWNER;
struct {
const int type;
const int tag;
int permset;
} tacl_entry[] = {
{ARCHIVE_ENTRY_ACL_TYPE_ALLOW, ARCHIVE_ENTRY_ACL_USER_OBJ, 0},
{ARCHIVE_ENTRY_ACL_TYPE_DENY, ARCHIVE_ENTRY_ACL_USER_OBJ, 0},
{ARCHIVE_ENTRY_ACL_TYPE_DENY, ARCHIVE_ENTRY_ACL_GROUP_OBJ, 0},
{ARCHIVE_ENTRY_ACL_TYPE_ALLOW, ARCHIVE_ENTRY_ACL_USER_OBJ, ownset},
{ARCHIVE_ENTRY_ACL_TYPE_ALLOW, ARCHIVE_ENTRY_ACL_GROUP_OBJ, pubset},
{ARCHIVE_ENTRY_ACL_TYPE_ALLOW, ARCHIVE_ENTRY_ACL_EVERYONE, pubset}
};
mode = archive_entry_mode(entry);
/* Permissions for everyone@ */
if (mode & 0004)
tacl_entry[5].permset |= rperm;
if (mode & 0002)
tacl_entry[5].permset |= wperm;
if (mode & 0001)
tacl_entry[5].permset |= eperm;
/* Permissions for group@ */
if (mode & 0040)
tacl_entry[4].permset |= rperm;
else if (mode & 0004)
tacl_entry[2].permset |= rperm;
if (mode & 0020)
tacl_entry[4].permset |= wperm;
else if (mode & 0002)
tacl_entry[2].permset |= wperm;
if (mode & 0010)
tacl_entry[4].permset |= eperm;
else if (mode & 0001)
tacl_entry[2].permset |= eperm;
/* Permissions for owner@ */
if (mode & 0400) {
tacl_entry[3].permset |= rperm;
if (!(mode & 0040) && (mode & 0004))
tacl_entry[0].permset |= rperm;
} else if ((mode & 0040) || (mode & 0004))
tacl_entry[1].permset |= rperm;
if (mode & 0200) {
tacl_entry[3].permset |= wperm;
if (!(mode & 0020) && (mode & 0002))
tacl_entry[0].permset |= wperm;
} else if ((mode & 0020) || (mode & 0002))
tacl_entry[1].permset |= wperm;
if (mode & 0100) {
tacl_entry[3].permset |= eperm;
if (!(mode & 0010) && (mode & 0001))
tacl_entry[0].permset |= eperm;
} else if ((mode & 0010) || (mode & 0001))
tacl_entry[1].permset |= eperm;
for (i = 0; i < 6; i++) {
if (tacl_entry[i].permset != 0) {
archive_entry_acl_add_entry(entry,
tacl_entry[i].type, tacl_entry[i].permset,
tacl_entry[i].tag, -1, NULL);
}
}
return;
}
static int
translate_acl(struct archive_read_disk *a,
struct archive_entry *entry, acl_t acl)
{
acl_tag_t acl_tag;
acl_flagset_t acl_flagset;
acl_entry_t acl_entry;
acl_permset_t acl_permset;
int i, entry_acl_type;
int r, s, ae_id, ae_tag, ae_perm;
const char *ae_name;
s = acl_get_entry(acl, ACL_FIRST_ENTRY, &acl_entry);
if (s == -1) {
archive_set_error(&a->archive, errno,
"Failed to get first ACL entry");
return (ARCHIVE_WARN);
}
while (s == 0) {
ae_id = -1;
ae_name = NULL;
ae_perm = 0;
if (acl_get_tag_type(acl_entry, &acl_tag) != 0) {
archive_set_error(&a->archive, errno,
"Failed to get ACL tag type");
return (ARCHIVE_WARN);
}
switch (acl_tag) {
case ACL_EXTENDED_ALLOW:
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ALLOW;
r = translate_guid(&a->archive, acl_entry,
&ae_id, &ae_tag, &ae_name);
break;
case ACL_EXTENDED_DENY:
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_DENY;
r = translate_guid(&a->archive, acl_entry,
&ae_id, &ae_tag, &ae_name);
break;
default:
/* Skip types that libarchive can't support. */
s = acl_get_entry(acl, ACL_NEXT_ENTRY, &acl_entry);
continue;
}
/* Skip if translate_guid() above failed */
if (r != 0) {
s = acl_get_entry(acl, ACL_NEXT_ENTRY, &acl_entry);
continue;
}
/*
* Libarchive stores "flag" (NFSv4 inheritance bits)
* in the ae_perm bitmap.
*
* acl_get_flagset_np() fails with non-NFSv4 ACLs
*/
if (acl_get_flagset_np(acl_entry, &acl_flagset) != 0) {
archive_set_error(&a->archive, errno,
"Failed to get flagset from a NFSv4 ACL entry");
return (ARCHIVE_WARN);
}
for (i = 0; i < acl_nfs4_flag_map_size; ++i) {
r = acl_get_flag_np(acl_flagset,
acl_nfs4_flag_map[i].p_perm);
if (r == -1) {
archive_set_error(&a->archive, errno,
"Failed to check flag in a NFSv4 "
"ACL flagset");
return (ARCHIVE_WARN);
} else if (r)
ae_perm |= acl_nfs4_flag_map[i].a_perm;
}
if (acl_get_permset(acl_entry, &acl_permset) != 0) {
archive_set_error(&a->archive, errno,
"Failed to get ACL permission set");
return (ARCHIVE_WARN);
}
for (i = 0; i < acl_nfs4_perm_map_size; ++i) {
/*
* acl_get_perm() is spelled differently on different
* platforms; see above.
*/
r = acl_get_perm_np(acl_permset,
acl_nfs4_perm_map[i].p_perm);
if (r == -1) {
archive_set_error(&a->archive, errno,
"Failed to check permission in an ACL "
"permission set");
return (ARCHIVE_WARN);
} else if (r)
ae_perm |= acl_nfs4_perm_map[i].a_perm;
}
#if !HAVE_DECL_ACL_SYNCHRONIZE
/* On Mac OS X without ACL_SYNCHRONIZE assume it is set */
ae_perm |= ARCHIVE_ENTRY_ACL_SYNCHRONIZE;
#endif
archive_entry_acl_add_entry(entry, entry_acl_type,
ae_perm, ae_tag,
ae_id, ae_name);
s = acl_get_entry(acl, ACL_NEXT_ENTRY, &acl_entry);
}
return (ARCHIVE_OK);
}
static int
set_acl(struct archive *a, int fd, const char *name,
struct archive_acl *abstract_acl,
int ae_requested_type, const char *tname)
{
acl_t acl;
acl_entry_t acl_entry;
acl_permset_t acl_permset;
acl_flagset_t acl_flagset;
int ret;
int ae_type, ae_permset, ae_tag, ae_id;
uuid_t ae_uuid;
uid_t ae_uid;
gid_t ae_gid;
const char *ae_name;
int entries;
int i;
ret = ARCHIVE_OK;
entries = archive_acl_reset(abstract_acl, ae_requested_type);
if (entries == 0)
return (ARCHIVE_OK);
if (ae_requested_type != ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
errno = ENOENT;
archive_set_error(a, errno, "Unsupported ACL type");
return (ARCHIVE_FAILED);
}
acl = acl_init(entries);
if (acl == (acl_t)NULL) {
archive_set_error(a, errno,
"Failed to initialize ACL working storage");
return (ARCHIVE_FAILED);
}
while (archive_acl_next(a, abstract_acl, ae_requested_type, &ae_type,
&ae_permset, &ae_tag, &ae_id, &ae_name) == ARCHIVE_OK) {
/*
* Mac OS doesn't support NFSv4 ACLs for
* owner@, group@ and everyone@.
* We skip any of these ACLs found.
*/
if (ae_tag == ARCHIVE_ENTRY_ACL_USER_OBJ ||
ae_tag == ARCHIVE_ENTRY_ACL_GROUP_OBJ ||
ae_tag == ARCHIVE_ENTRY_ACL_EVERYONE)
continue;
if (acl_create_entry(&acl, &acl_entry) != 0) {
archive_set_error(a, errno,
"Failed to create a new ACL entry");
ret = ARCHIVE_FAILED;
goto exit_free;
}
switch (ae_type) {
case ARCHIVE_ENTRY_ACL_TYPE_ALLOW:
acl_set_tag_type(acl_entry, ACL_EXTENDED_ALLOW);
break;
case ARCHIVE_ENTRY_ACL_TYPE_DENY:
acl_set_tag_type(acl_entry, ACL_EXTENDED_DENY);
break;
default:
/* We don't support any other types on MacOS */
continue;
}
switch (ae_tag) {
case ARCHIVE_ENTRY_ACL_USER:
ae_uid = archive_write_disk_uid(a, ae_name, ae_id);
if (mbr_uid_to_uuid(ae_uid, ae_uuid) != 0)
continue;
if (acl_set_qualifier(acl_entry, &ae_uuid) != 0)
continue;
break;
case ARCHIVE_ENTRY_ACL_GROUP:
ae_gid = archive_write_disk_gid(a, ae_name, ae_id);
if (mbr_gid_to_uuid(ae_gid, ae_uuid) != 0)
continue;
if (acl_set_qualifier(acl_entry, &ae_uuid) != 0)
continue;
break;
default:
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unsupported ACL tag");
ret = ARCHIVE_FAILED;
goto exit_free;
}
if (acl_get_permset(acl_entry, &acl_permset) != 0) {
archive_set_error(a, errno,
"Failed to get ACL permission set");
ret = ARCHIVE_FAILED;
goto exit_free;
}
if (acl_clear_perms(acl_permset) != 0) {
archive_set_error(a, errno,
"Failed to clear ACL permissions");
ret = ARCHIVE_FAILED;
goto exit_free;
}
for (i = 0; i < acl_nfs4_perm_map_size; ++i) {
if (ae_permset & acl_nfs4_perm_map[i].a_perm) {
if (acl_add_perm(acl_permset,
acl_nfs4_perm_map[i].p_perm) != 0) {
archive_set_error(a, errno,
"Failed to add ACL permission");
ret = ARCHIVE_FAILED;
goto exit_free;
}
}
}
/*
* acl_get_flagset_np() fails with non-NFSv4 ACLs
*/
if (acl_get_flagset_np(acl_entry, &acl_flagset) != 0) {
archive_set_error(a, errno,
"Failed to get flagset from an NFSv4 ACL entry");
ret = ARCHIVE_FAILED;
goto exit_free;
}
if (acl_clear_flags_np(acl_flagset) != 0) {
archive_set_error(a, errno,
"Failed to clear flags from an NFSv4 ACL flagset");
ret = ARCHIVE_FAILED;
goto exit_free;
}
for (i = 0; i < acl_nfs4_flag_map_size; ++i) {
if (ae_permset & acl_nfs4_flag_map[i].a_perm) {
if (acl_add_flag_np(acl_flagset,
acl_nfs4_flag_map[i].p_perm) != 0) {
archive_set_error(a, errno,
"Failed to add flag to "
"NFSv4 ACL flagset");
ret = ARCHIVE_FAILED;
goto exit_free;
}
}
}
}
if (fd >= 0) {
if (acl_set_fd_np(fd, acl, ACL_TYPE_EXTENDED) == 0)
ret = ARCHIVE_OK;
else {
if (errno == EOPNOTSUPP) {
/* Filesystem doesn't support ACLs */
ret = ARCHIVE_OK;
} else {
archive_set_error(a, errno,
"Failed to set acl on fd: %s", tname);
ret = ARCHIVE_WARN;
}
}
} else if (acl_set_link_np(name, ACL_TYPE_EXTENDED, acl) != 0) {
if (errno == EOPNOTSUPP) {
/* Filesystem doesn't support ACLs */
ret = ARCHIVE_OK;
} else {
archive_set_error(a, errno, "Failed to set acl: %s",
tname);
ret = ARCHIVE_WARN;
}
}
exit_free:
acl_free(acl);
return (ret);
}
int
archive_read_disk_entry_setup_acls(struct archive_read_disk *a,
struct archive_entry *entry, int *fd)
{
const char *accpath;
acl_t acl;
int r;
accpath = NULL;
if (*fd < 0) {
accpath = archive_read_disk_entry_setup_path(a, entry, fd);
if (accpath == NULL)
return (ARCHIVE_WARN);
}
archive_entry_acl_clear(entry);
acl = NULL;
if (*fd >= 0)
acl = acl_get_fd_np(*fd, ACL_TYPE_EXTENDED);
else if (!a->follow_symlinks)
acl = acl_get_link_np(accpath, ACL_TYPE_EXTENDED);
else
acl = acl_get_file(accpath, ACL_TYPE_EXTENDED);
if (acl != NULL) {
r = translate_acl(a, entry, acl);
acl_free(acl);
acl = NULL;
if (r != ARCHIVE_OK) {
archive_set_error(&a->archive, errno,
"Couldn't translate NFSv4 ACLs");
}
/*
* Because Mac OS doesn't support owner@, group@ and everyone@
* ACLs we need to add NFSv4 ACLs mirroring the file mode to
* the archive entry. Otherwise extraction on non-Mac platforms
* would lead to an invalid file mode.
*/
if ((archive_entry_acl_types(entry) &
ARCHIVE_ENTRY_ACL_TYPE_NFS4) != 0)
add_trivial_nfs4_acl(entry);
return (r);
}
return (ARCHIVE_OK);
}
int
archive_write_disk_set_acls(struct archive *a, int fd, const char *name,
struct archive_acl *abstract_acl, __LA_MODE_T mode)
{
int ret = ARCHIVE_OK;
(void)mode; /* UNUSED */
if ((archive_acl_types(abstract_acl) &
ARCHIVE_ENTRY_ACL_TYPE_NFS4) != 0) {
ret = set_acl(a, fd, name, abstract_acl,
ARCHIVE_ENTRY_ACL_TYPE_NFS4, "nfs4");
}
return (ret);
}
#endif /* ARCHIVE_ACL_DARWIN */

702
3rdparty/libarchive/c/archive_disk_acl_freebsd.c vendored Normal file
View File

@ -0,0 +1,702 @@
/*-
* Copyright (c) 2003-2009 Tim Kientzle
* Copyright (c) 2010-2012 Michihiro NAKAJIMA
* Copyright (c) 2017 Martin Matuska
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
#if ARCHIVE_ACL_FREEBSD
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_ACL_H
#define _ACL_PRIVATE /* For debugging */
#include <sys/acl.h>
#endif
#include "archive_entry.h"
#include "archive_private.h"
#include "archive_read_disk_private.h"
#include "archive_write_disk_private.h"
typedef struct {
const int a_perm; /* Libarchive permission or flag */
const int p_perm; /* Platform permission or flag */
} acl_perm_map_t;
static const acl_perm_map_t acl_posix_perm_map[] = {
{ARCHIVE_ENTRY_ACL_EXECUTE, ACL_EXECUTE},
{ARCHIVE_ENTRY_ACL_WRITE, ACL_WRITE},
{ARCHIVE_ENTRY_ACL_READ, ACL_READ},
};
static const int acl_posix_perm_map_size =
(int)(sizeof(acl_posix_perm_map)/sizeof(acl_posix_perm_map[0]));
#if ARCHIVE_ACL_FREEBSD_NFS4
static const acl_perm_map_t acl_nfs4_perm_map[] = {
{ARCHIVE_ENTRY_ACL_EXECUTE, ACL_EXECUTE},
{ARCHIVE_ENTRY_ACL_READ_DATA, ACL_READ_DATA},
{ARCHIVE_ENTRY_ACL_LIST_DIRECTORY, ACL_LIST_DIRECTORY},
{ARCHIVE_ENTRY_ACL_WRITE_DATA, ACL_WRITE_DATA},
{ARCHIVE_ENTRY_ACL_ADD_FILE, ACL_ADD_FILE},
{ARCHIVE_ENTRY_ACL_APPEND_DATA, ACL_APPEND_DATA},
{ARCHIVE_ENTRY_ACL_ADD_SUBDIRECTORY, ACL_ADD_SUBDIRECTORY},
{ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS, ACL_READ_NAMED_ATTRS},
{ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS, ACL_WRITE_NAMED_ATTRS},
{ARCHIVE_ENTRY_ACL_DELETE_CHILD, ACL_DELETE_CHILD},
{ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES, ACL_READ_ATTRIBUTES},
{ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES, ACL_WRITE_ATTRIBUTES},
{ARCHIVE_ENTRY_ACL_DELETE, ACL_DELETE},
{ARCHIVE_ENTRY_ACL_READ_ACL, ACL_READ_ACL},
{ARCHIVE_ENTRY_ACL_WRITE_ACL, ACL_WRITE_ACL},
{ARCHIVE_ENTRY_ACL_WRITE_OWNER, ACL_WRITE_OWNER},
{ARCHIVE_ENTRY_ACL_SYNCHRONIZE, ACL_SYNCHRONIZE}
};
static const int acl_nfs4_perm_map_size =
(int)(sizeof(acl_nfs4_perm_map)/sizeof(acl_nfs4_perm_map[0]));
static const acl_perm_map_t acl_nfs4_flag_map[] = {
{ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT, ACL_ENTRY_FILE_INHERIT},
{ARCHIVE_ENTRY_ACL_ENTRY_DIRECTORY_INHERIT, ACL_ENTRY_DIRECTORY_INHERIT},
{ARCHIVE_ENTRY_ACL_ENTRY_NO_PROPAGATE_INHERIT, ACL_ENTRY_NO_PROPAGATE_INHERIT},
{ARCHIVE_ENTRY_ACL_ENTRY_INHERIT_ONLY, ACL_ENTRY_INHERIT_ONLY},
{ARCHIVE_ENTRY_ACL_ENTRY_SUCCESSFUL_ACCESS, ACL_ENTRY_SUCCESSFUL_ACCESS},
{ARCHIVE_ENTRY_ACL_ENTRY_FAILED_ACCESS, ACL_ENTRY_FAILED_ACCESS},
#ifdef ACL_ENTRY_INHERITED
{ARCHIVE_ENTRY_ACL_ENTRY_INHERITED, ACL_ENTRY_INHERITED}
#endif
};
static const int acl_nfs4_flag_map_size =
(int)(sizeof(acl_nfs4_flag_map)/sizeof(acl_nfs4_flag_map[0]));
#endif /* ARCHIVE_ACL_FREEBSD_NFS4 */
static int
translate_acl(struct archive_read_disk *a,
struct archive_entry *entry, acl_t acl, int default_entry_acl_type)
{
#if ARCHIVE_ACL_FREEBSD_NFS4
int brand;
acl_flagset_t acl_flagset;
acl_entry_type_t acl_type;
#endif
acl_tag_t acl_tag;
acl_entry_t acl_entry;
acl_permset_t acl_permset;
int i, entry_acl_type, perm_map_size;
const acl_perm_map_t *perm_map;
int r, s, ae_id, ae_tag, ae_perm;
void *q;
const char *ae_name;
#if ARCHIVE_ACL_FREEBSD_NFS4
// FreeBSD "brands" ACLs as POSIX.1e or NFSv4
// Make sure the "brand" on this ACL is consistent
// with the default_entry_acl_type bits provided.
if (acl_get_brand_np(acl, &brand) != 0) {
archive_set_error(&a->archive, errno,
"Failed to read ACL brand");
return (ARCHIVE_WARN);
}
switch (brand) {
case ACL_BRAND_POSIX:
switch (default_entry_acl_type) {
case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
break;
default:
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
"Invalid ACL entry type for POSIX.1e ACL");
return (ARCHIVE_WARN);
}
break;
case ACL_BRAND_NFS4:
if (default_entry_acl_type & ~ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
"Invalid ACL entry type for NFSv4 ACL");
return (ARCHIVE_WARN);
}
break;
default:
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
"Unknown ACL brand");
return (ARCHIVE_WARN);
}
#endif
s = acl_get_entry(acl, ACL_FIRST_ENTRY, &acl_entry);
if (s == -1) {
archive_set_error(&a->archive, errno,
"Failed to get first ACL entry");
return (ARCHIVE_WARN);
}
while (s == 1) {
ae_id = -1;
ae_name = NULL;
ae_perm = 0;
if (acl_get_tag_type(acl_entry, &acl_tag) != 0) {
archive_set_error(&a->archive, errno,
"Failed to get ACL tag type");
return (ARCHIVE_WARN);
}
switch (acl_tag) {
case ACL_USER:
q = acl_get_qualifier(acl_entry);
if (q != NULL) {
ae_id = (int)*(uid_t *)q;
acl_free(q);
ae_name = archive_read_disk_uname(&a->archive,
ae_id);
}
ae_tag = ARCHIVE_ENTRY_ACL_USER;
break;
case ACL_GROUP:
q = acl_get_qualifier(acl_entry);
if (q != NULL) {
ae_id = (int)*(gid_t *)q;
acl_free(q);
ae_name = archive_read_disk_gname(&a->archive,
ae_id);
}
ae_tag = ARCHIVE_ENTRY_ACL_GROUP;
break;
case ACL_MASK:
ae_tag = ARCHIVE_ENTRY_ACL_MASK;
break;
case ACL_USER_OBJ:
ae_tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
break;
case ACL_GROUP_OBJ:
ae_tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
break;
case ACL_OTHER:
ae_tag = ARCHIVE_ENTRY_ACL_OTHER;
break;
#if ARCHIVE_ACL_FREEBSD_NFS4
case ACL_EVERYONE:
ae_tag = ARCHIVE_ENTRY_ACL_EVERYONE;
break;
#endif
default:
/* Skip types that libarchive can't support. */
s = acl_get_entry(acl, ACL_NEXT_ENTRY, &acl_entry);
continue;
}
// XXX acl_type maps to allow/deny/audit/YYYY bits
entry_acl_type = default_entry_acl_type;
#if ARCHIVE_ACL_FREEBSD_NFS4
if (default_entry_acl_type & ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
/*
* acl_get_entry_type_np() fails with non-NFSv4 ACLs
*/
if (acl_get_entry_type_np(acl_entry, &acl_type) != 0) {
archive_set_error(&a->archive, errno, "Failed "
"to get ACL type from a NFSv4 ACL entry");
return (ARCHIVE_WARN);
}
switch (acl_type) {
case ACL_ENTRY_TYPE_ALLOW:
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ALLOW;
break;
case ACL_ENTRY_TYPE_DENY:
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_DENY;
break;
case ACL_ENTRY_TYPE_AUDIT:
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_AUDIT;
break;
case ACL_ENTRY_TYPE_ALARM:
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ALARM;
break;
default:
archive_set_error(&a->archive, errno,
"Invalid NFSv4 ACL entry type");
return (ARCHIVE_WARN);
}
/*
* Libarchive stores "flag" (NFSv4 inheritance bits)
* in the ae_perm bitmap.
*
* acl_get_flagset_np() fails with non-NFSv4 ACLs
*/
if (acl_get_flagset_np(acl_entry, &acl_flagset) != 0) {
archive_set_error(&a->archive, errno,
"Failed to get flagset from a NFSv4 "
"ACL entry");
return (ARCHIVE_WARN);
}
for (i = 0; i < acl_nfs4_flag_map_size; ++i) {
r = acl_get_flag_np(acl_flagset,
acl_nfs4_flag_map[i].p_perm);
if (r == -1) {
archive_set_error(&a->archive, errno,
"Failed to check flag in a NFSv4 "
"ACL flagset");
return (ARCHIVE_WARN);
} else if (r)
ae_perm |= acl_nfs4_flag_map[i].a_perm;
}
}
#endif
if (acl_get_permset(acl_entry, &acl_permset) != 0) {
archive_set_error(&a->archive, errno,
"Failed to get ACL permission set");
return (ARCHIVE_WARN);
}
#if ARCHIVE_ACL_FREEBSD_NFS4
if (default_entry_acl_type & ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
perm_map_size = acl_nfs4_perm_map_size;
perm_map = acl_nfs4_perm_map;
} else {
#endif
perm_map_size = acl_posix_perm_map_size;
perm_map = acl_posix_perm_map;
#if ARCHIVE_ACL_FREEBSD_NFS4
}
#endif
for (i = 0; i < perm_map_size; ++i) {
r = acl_get_perm_np(acl_permset, perm_map[i].p_perm);
if (r == -1) {
archive_set_error(&a->archive, errno,
"Failed to check permission in an ACL "
"permission set");
return (ARCHIVE_WARN);
} else if (r)
ae_perm |= perm_map[i].a_perm;
}
archive_entry_acl_add_entry(entry, entry_acl_type,
ae_perm, ae_tag,
ae_id, ae_name);
s = acl_get_entry(acl, ACL_NEXT_ENTRY, &acl_entry);
if (s == -1) {
archive_set_error(&a->archive, errno,
"Failed to get next ACL entry");
return (ARCHIVE_WARN);
}
}
return (ARCHIVE_OK);
}
static int
set_acl(struct archive *a, int fd, const char *name,
struct archive_acl *abstract_acl,
int ae_requested_type, const char *tname)
{
int acl_type = 0;
acl_t acl;
acl_entry_t acl_entry;
acl_permset_t acl_permset;
#if ARCHIVE_ACL_FREEBSD_NFS4
acl_flagset_t acl_flagset;
int r;
#endif
int ret;
int ae_type, ae_permset, ae_tag, ae_id;
int perm_map_size;
const acl_perm_map_t *perm_map;
uid_t ae_uid;
gid_t ae_gid;
const char *ae_name;
int entries;
int i;
ret = ARCHIVE_OK;
entries = archive_acl_reset(abstract_acl, ae_requested_type);
if (entries == 0)
return (ARCHIVE_OK);
switch (ae_requested_type) {
case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
acl_type = ACL_TYPE_ACCESS;
break;
case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
acl_type = ACL_TYPE_DEFAULT;
break;
#if ARCHIVE_ACL_FREEBSD_NFS4
case ARCHIVE_ENTRY_ACL_TYPE_NFS4:
acl_type = ACL_TYPE_NFS4;
break;
#endif
default:
errno = ENOENT;
archive_set_error(a, errno, "Unsupported ACL type");
return (ARCHIVE_FAILED);
}
acl = acl_init(entries);
if (acl == (acl_t)NULL) {
archive_set_error(a, errno,
"Failed to initialize ACL working storage");
return (ARCHIVE_FAILED);
}
while (archive_acl_next(a, abstract_acl, ae_requested_type, &ae_type,
&ae_permset, &ae_tag, &ae_id, &ae_name) == ARCHIVE_OK) {
if (acl_create_entry(&acl, &acl_entry) != 0) {
archive_set_error(a, errno,
"Failed to create a new ACL entry");
ret = ARCHIVE_FAILED;
goto exit_free;
}
switch (ae_tag) {
case ARCHIVE_ENTRY_ACL_USER:
ae_uid = archive_write_disk_uid(a, ae_name, ae_id);
acl_set_tag_type(acl_entry, ACL_USER);
acl_set_qualifier(acl_entry, &ae_uid);
break;
case ARCHIVE_ENTRY_ACL_GROUP:
ae_gid = archive_write_disk_gid(a, ae_name, ae_id);
acl_set_tag_type(acl_entry, ACL_GROUP);
acl_set_qualifier(acl_entry, &ae_gid);
break;
case ARCHIVE_ENTRY_ACL_USER_OBJ:
acl_set_tag_type(acl_entry, ACL_USER_OBJ);
break;
case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
acl_set_tag_type(acl_entry, ACL_GROUP_OBJ);
break;
case ARCHIVE_ENTRY_ACL_MASK:
acl_set_tag_type(acl_entry, ACL_MASK);
break;
case ARCHIVE_ENTRY_ACL_OTHER:
acl_set_tag_type(acl_entry, ACL_OTHER);
break;
#if ARCHIVE_ACL_FREEBSD_NFS4
case ARCHIVE_ENTRY_ACL_EVERYONE:
acl_set_tag_type(acl_entry, ACL_EVERYONE);
break;
#endif
default:
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unsupported ACL tag");
ret = ARCHIVE_FAILED;
goto exit_free;
}
#if ARCHIVE_ACL_FREEBSD_NFS4
r = 0;
switch (ae_type) {
case ARCHIVE_ENTRY_ACL_TYPE_ALLOW:
r = acl_set_entry_type_np(acl_entry,
ACL_ENTRY_TYPE_ALLOW);
break;
case ARCHIVE_ENTRY_ACL_TYPE_DENY:
r = acl_set_entry_type_np(acl_entry,
ACL_ENTRY_TYPE_DENY);
break;
case ARCHIVE_ENTRY_ACL_TYPE_AUDIT:
r = acl_set_entry_type_np(acl_entry,
ACL_ENTRY_TYPE_AUDIT);
break;
case ARCHIVE_ENTRY_ACL_TYPE_ALARM:
r = acl_set_entry_type_np(acl_entry,
ACL_ENTRY_TYPE_ALARM);
break;
case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
// These don't translate directly into the system ACL.
break;
default:
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unsupported ACL entry type");
ret = ARCHIVE_FAILED;
goto exit_free;
}
if (r != 0) {
archive_set_error(a, errno,
"Failed to set ACL entry type");
ret = ARCHIVE_FAILED;
goto exit_free;
}
#endif
if (acl_get_permset(acl_entry, &acl_permset) != 0) {
archive_set_error(a, errno,
"Failed to get ACL permission set");
ret = ARCHIVE_FAILED;
goto exit_free;
}
if (acl_clear_perms(acl_permset) != 0) {
archive_set_error(a, errno,
"Failed to clear ACL permissions");
ret = ARCHIVE_FAILED;
goto exit_free;
}
#if ARCHIVE_ACL_FREEBSD_NFS4
if (ae_requested_type == ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
perm_map_size = acl_nfs4_perm_map_size;
perm_map = acl_nfs4_perm_map;
} else {
#endif
perm_map_size = acl_posix_perm_map_size;
perm_map = acl_posix_perm_map;
#if ARCHIVE_ACL_FREEBSD_NFS4
}
#endif
for (i = 0; i < perm_map_size; ++i) {
if (ae_permset & perm_map[i].a_perm) {
if (acl_add_perm(acl_permset,
perm_map[i].p_perm) != 0) {
archive_set_error(a, errno,
"Failed to add ACL permission");
ret = ARCHIVE_FAILED;
goto exit_free;
}
}
}
#if ARCHIVE_ACL_FREEBSD_NFS4
if (ae_requested_type == ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
/*
* acl_get_flagset_np() fails with non-NFSv4 ACLs
*/
if (acl_get_flagset_np(acl_entry, &acl_flagset) != 0) {
archive_set_error(a, errno,
"Failed to get flagset from an NFSv4 "
"ACL entry");
ret = ARCHIVE_FAILED;
goto exit_free;
}
if (acl_clear_flags_np(acl_flagset) != 0) {
archive_set_error(a, errno,
"Failed to clear flags from an NFSv4 "
"ACL flagset");
ret = ARCHIVE_FAILED;
goto exit_free;
}
for (i = 0; i < acl_nfs4_flag_map_size; ++i) {
if (ae_permset & acl_nfs4_flag_map[i].a_perm) {
if (acl_add_flag_np(acl_flagset,
acl_nfs4_flag_map[i].p_perm) != 0) {
archive_set_error(a, errno,
"Failed to add flag to "
"NFSv4 ACL flagset");
ret = ARCHIVE_FAILED;
goto exit_free;
}
}
}
}
#endif
}
/* Try restoring the ACL through 'fd' if we can. */
if (fd >= 0) {
if (acl_set_fd_np(fd, acl, acl_type) == 0)
ret = ARCHIVE_OK;
else {
if (errno == EOPNOTSUPP) {
/* Filesystem doesn't support ACLs */
ret = ARCHIVE_OK;
} else {
archive_set_error(a, errno,
"Failed to set acl on fd: %s", tname);
ret = ARCHIVE_WARN;
}
}
}
#if HAVE_ACL_SET_LINK_NP
else if (acl_set_link_np(name, acl_type, acl) != 0)
#else
/* FreeBSD older than 8.0 */
else if (acl_set_file(name, acl_type, acl) != 0)
#endif
{
if (errno == EOPNOTSUPP) {
/* Filesystem doesn't support ACLs */
ret = ARCHIVE_OK;
} else {
archive_set_error(a, errno, "Failed to set acl: %s",
tname);
ret = ARCHIVE_WARN;
}
}
exit_free:
acl_free(acl);
return (ret);
}
int
archive_read_disk_entry_setup_acls(struct archive_read_disk *a,
struct archive_entry *entry, int *fd)
{
const char *accpath;
acl_t acl;
int r;
accpath = NULL;
if (*fd < 0) {
accpath = archive_read_disk_entry_setup_path(a, entry, fd);
if (accpath == NULL)
return (ARCHIVE_WARN);
}
archive_entry_acl_clear(entry);
acl = NULL;
#if ARCHIVE_ACL_FREEBSD_NFS4
/* Try NFSv4 ACL first. */
if (*fd >= 0)
acl = acl_get_fd_np(*fd, ACL_TYPE_NFS4);
else if (!a->follow_symlinks)
acl = acl_get_link_np(accpath, ACL_TYPE_NFS4);
else
acl = acl_get_file(accpath, ACL_TYPE_NFS4);
/* Ignore "trivial" ACLs that just mirror the file mode. */
if (acl != NULL && acl_is_trivial_np(acl, &r) == 0 && r == 1) {
acl_free(acl);
acl = NULL;
return (ARCHIVE_OK);
}
if (acl != NULL) {
r = translate_acl(a, entry, acl, ARCHIVE_ENTRY_ACL_TYPE_NFS4);
acl_free(acl);
acl = NULL;
if (r != ARCHIVE_OK) {
archive_set_error(&a->archive, errno,
"Couldn't translate NFSv4 ACLs");
}
return (r);
}
#endif
/* Retrieve access ACL from file. */
if (*fd >= 0)
acl = acl_get_fd_np(*fd, ACL_TYPE_ACCESS);
#if HAVE_ACL_GET_LINK_NP
else if (!a->follow_symlinks)
acl = acl_get_link_np(accpath, ACL_TYPE_ACCESS);
#else
else if ((!a->follow_symlinks)
&& (archive_entry_filetype(entry) == AE_IFLNK))
/* We can't get the ACL of a symlink, so we assume it can't
have one. */
acl = NULL;
#endif
else
acl = acl_get_file(accpath, ACL_TYPE_ACCESS);
#if HAVE_ACL_IS_TRIVIAL_NP
/* Ignore "trivial" ACLs that just mirror the file mode. */
if (acl != NULL && acl_is_trivial_np(acl, &r) == 0 && r == 1) {
acl_free(acl);
acl = NULL;
}
#endif
if (acl != NULL) {
r = translate_acl(a, entry, acl, ARCHIVE_ENTRY_ACL_TYPE_ACCESS);
acl_free(acl);
acl = NULL;
if (r != ARCHIVE_OK) {
archive_set_error(&a->archive, errno,
"Couldn't translate access ACLs");
return (r);
}
}
/* Only directories can have default ACLs. */
if (S_ISDIR(archive_entry_mode(entry))) {
if (*fd >= 0)
acl = acl_get_fd_np(*fd, ACL_TYPE_DEFAULT);
else
acl = acl_get_file(accpath, ACL_TYPE_DEFAULT);
if (acl != NULL) {
r = translate_acl(a, entry, acl,
ARCHIVE_ENTRY_ACL_TYPE_DEFAULT);
acl_free(acl);
if (r != ARCHIVE_OK) {
archive_set_error(&a->archive, errno,
"Couldn't translate default ACLs");
return (r);
}
}
}
return (ARCHIVE_OK);
}
int
archive_write_disk_set_acls(struct archive *a, int fd, const char *name,
struct archive_acl *abstract_acl, __LA_MODE_T mode)
{
int ret = ARCHIVE_OK;
(void)mode; /* UNUSED */
if ((archive_acl_types(abstract_acl)
& ARCHIVE_ENTRY_ACL_TYPE_POSIX1E) != 0) {
if ((archive_acl_types(abstract_acl)
& ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) {
ret = set_acl(a, fd, name, abstract_acl,
ARCHIVE_ENTRY_ACL_TYPE_ACCESS, "access");
if (ret != ARCHIVE_OK)
return (ret);
}
if ((archive_acl_types(abstract_acl)
& ARCHIVE_ENTRY_ACL_TYPE_DEFAULT) != 0)
ret = set_acl(a, fd, name, abstract_acl,
ARCHIVE_ENTRY_ACL_TYPE_DEFAULT, "default");
/* Simultaneous POSIX.1e and NFSv4 is not supported */
return (ret);
}
#if ARCHIVE_ACL_FREEBSD_NFS4
else if ((archive_acl_types(abstract_acl) &
ARCHIVE_ENTRY_ACL_TYPE_NFS4) != 0) {
ret = set_acl(a, fd, name, abstract_acl,
ARCHIVE_ENTRY_ACL_TYPE_NFS4, "nfs4");
}
#endif
return (ret);
}
#endif /* ARCHIVE_ACL_FREEBSD */

743
3rdparty/libarchive/c/archive_disk_acl_linux.c vendored Normal file
View File

@ -0,0 +1,743 @@
/*-
* Copyright (c) 2003-2009 Tim Kientzle
* Copyright (c) 2010-2012 Michihiro NAKAJIMA
* Copyright (c) 2017 Martin Matuska
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
#if ARCHIVE_ACL_LIBACL || ARCHIVE_ACL_LIBRICHACL
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#if HAVE_ACL_LIBACL_H
#include <acl/libacl.h>
#endif
#ifdef HAVE_SYS_ACL_H
#include <sys/acl.h>
#endif
#ifdef HAVE_SYS_RICHACL_H
#include <sys/richacl.h>
#endif
#include "archive_entry.h"
#include "archive_private.h"
#include "archive_read_disk_private.h"
#include "archive_write_disk_private.h"
typedef struct {
const int a_perm; /* Libarchive permission or flag */
const int p_perm; /* Platform permission or flag */
} acl_perm_map_t;
#if ARCHIVE_ACL_LIBACL
static const acl_perm_map_t acl_posix_perm_map[] = {
{ARCHIVE_ENTRY_ACL_EXECUTE, ACL_EXECUTE},
{ARCHIVE_ENTRY_ACL_WRITE, ACL_WRITE},
{ARCHIVE_ENTRY_ACL_READ, ACL_READ},
};
static const int acl_posix_perm_map_size =
(int)(sizeof(acl_posix_perm_map)/sizeof(acl_posix_perm_map[0]));
#endif /* ARCHIVE_ACL_LIBACL */
#if ARCHIVE_ACL_LIBRICHACL
static const acl_perm_map_t acl_nfs4_perm_map[] = {
{ARCHIVE_ENTRY_ACL_EXECUTE, RICHACE_EXECUTE},
{ARCHIVE_ENTRY_ACL_READ_DATA, RICHACE_READ_DATA},
{ARCHIVE_ENTRY_ACL_LIST_DIRECTORY, RICHACE_LIST_DIRECTORY},
{ARCHIVE_ENTRY_ACL_WRITE_DATA, RICHACE_WRITE_DATA},
{ARCHIVE_ENTRY_ACL_ADD_FILE, RICHACE_ADD_FILE},
{ARCHIVE_ENTRY_ACL_APPEND_DATA, RICHACE_APPEND_DATA},
{ARCHIVE_ENTRY_ACL_ADD_SUBDIRECTORY, RICHACE_ADD_SUBDIRECTORY},
{ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS, RICHACE_READ_NAMED_ATTRS},
{ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS, RICHACE_WRITE_NAMED_ATTRS},
{ARCHIVE_ENTRY_ACL_DELETE_CHILD, RICHACE_DELETE_CHILD},
{ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES, RICHACE_READ_ATTRIBUTES},
{ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES, RICHACE_WRITE_ATTRIBUTES},
{ARCHIVE_ENTRY_ACL_DELETE, RICHACE_DELETE},
{ARCHIVE_ENTRY_ACL_READ_ACL, RICHACE_READ_ACL},
{ARCHIVE_ENTRY_ACL_WRITE_ACL, RICHACE_WRITE_ACL},
{ARCHIVE_ENTRY_ACL_WRITE_OWNER, RICHACE_WRITE_OWNER},
{ARCHIVE_ENTRY_ACL_SYNCHRONIZE, RICHACE_SYNCHRONIZE}
};
static const int acl_nfs4_perm_map_size =
(int)(sizeof(acl_nfs4_perm_map)/sizeof(acl_nfs4_perm_map[0]));
static const acl_perm_map_t acl_nfs4_flag_map[] = {
{ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT, RICHACE_FILE_INHERIT_ACE},
{ARCHIVE_ENTRY_ACL_ENTRY_DIRECTORY_INHERIT, RICHACE_DIRECTORY_INHERIT_ACE},
{ARCHIVE_ENTRY_ACL_ENTRY_NO_PROPAGATE_INHERIT, RICHACE_NO_PROPAGATE_INHERIT_ACE},
{ARCHIVE_ENTRY_ACL_ENTRY_INHERIT_ONLY, RICHACE_INHERIT_ONLY_ACE},
{ARCHIVE_ENTRY_ACL_ENTRY_INHERITED, RICHACE_INHERITED_ACE}
};
static const int acl_nfs4_flag_map_size =
(int)(sizeof(acl_nfs4_flag_map)/sizeof(acl_nfs4_flag_map[0]));
#endif /* ARCHIVE_ACL_LIBRICHACL */
#if ARCHIVE_ACL_LIBACL
/*
* Translate POSIX.1e ACLs into libarchive internal structure
*/
static int
translate_acl(struct archive_read_disk *a,
struct archive_entry *entry, acl_t acl, int default_entry_acl_type)
{
acl_tag_t acl_tag;
acl_entry_t acl_entry;
acl_permset_t acl_permset;
int i, entry_acl_type;
int r, s, ae_id, ae_tag, ae_perm;
void *q;
const char *ae_name;
s = acl_get_entry(acl, ACL_FIRST_ENTRY, &acl_entry);
if (s == -1) {
archive_set_error(&a->archive, errno,
"Failed to get first ACL entry");
return (ARCHIVE_WARN);
}
while (s == 1) {
ae_id = -1;
ae_name = NULL;
ae_perm = 0;
if (acl_get_tag_type(acl_entry, &acl_tag) != 0) {
archive_set_error(&a->archive, errno,
"Failed to get ACL tag type");
return (ARCHIVE_WARN);
}
switch (acl_tag) {
case ACL_USER:
q = acl_get_qualifier(acl_entry);
if (q != NULL) {
ae_id = (int)*(uid_t *)q;
acl_free(q);
ae_name = archive_read_disk_uname(&a->archive,
ae_id);
}
ae_tag = ARCHIVE_ENTRY_ACL_USER;
break;
case ACL_GROUP:
q = acl_get_qualifier(acl_entry);
if (q != NULL) {
ae_id = (int)*(gid_t *)q;
acl_free(q);
ae_name = archive_read_disk_gname(&a->archive,
ae_id);
}
ae_tag = ARCHIVE_ENTRY_ACL_GROUP;
break;
case ACL_MASK:
ae_tag = ARCHIVE_ENTRY_ACL_MASK;
break;
case ACL_USER_OBJ:
ae_tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
break;
case ACL_GROUP_OBJ:
ae_tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
break;
case ACL_OTHER:
ae_tag = ARCHIVE_ENTRY_ACL_OTHER;
break;
default:
/* Skip types that libarchive can't support. */
s = acl_get_entry(acl, ACL_NEXT_ENTRY, &acl_entry);
continue;
}
// XXX acl_type maps to allow/deny/audit/YYYY bits
entry_acl_type = default_entry_acl_type;
if (acl_get_permset(acl_entry, &acl_permset) != 0) {
archive_set_error(&a->archive, errno,
"Failed to get ACL permission set");
return (ARCHIVE_WARN);
}
for (i = 0; i < acl_posix_perm_map_size; ++i) {
r = acl_get_perm(acl_permset,
acl_posix_perm_map[i].p_perm);
if (r == -1) {
archive_set_error(&a->archive, errno,
"Failed to check permission in an ACL "
"permission set");
return (ARCHIVE_WARN);
} else if (r)
ae_perm |= acl_posix_perm_map[i].a_perm;
}
archive_entry_acl_add_entry(entry, entry_acl_type,
ae_perm, ae_tag,
ae_id, ae_name);
s = acl_get_entry(acl, ACL_NEXT_ENTRY, &acl_entry);
if (s == -1) {
archive_set_error(&a->archive, errno,
"Failed to get next ACL entry");
return (ARCHIVE_WARN);
}
}
return (ARCHIVE_OK);
}
#endif /* ARCHIVE_ACL_LIBACL */
#if ARCHIVE_ACL_LIBRICHACL
/*
* Translate RichACL into libarchive internal ACL
*/
static int
translate_richacl(struct archive_read_disk *a, struct archive_entry *entry,
struct richacl *richacl)
{
int ae_id, ae_tag, ae_perm;
int entry_acl_type, i;
const char *ae_name;
struct richace *richace;
richacl_for_each_entry(richace, richacl) {
ae_name = NULL;
ae_tag = 0;
ae_perm = 0;
ae_id = -1;
switch (richace->e_type) {
case RICHACE_ACCESS_ALLOWED_ACE_TYPE:
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ALLOW;
break;
case RICHACE_ACCESS_DENIED_ACE_TYPE:
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_DENY;
break;
default: /* Unknown entry type, skip */
continue;
}
/* Unsupported */
if (richace->e_flags & RICHACE_UNMAPPED_WHO)
continue;
if (richace->e_flags & RICHACE_SPECIAL_WHO) {
switch (richace->e_id) {
case RICHACE_OWNER_SPECIAL_ID:
ae_tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
break;
case RICHACE_GROUP_SPECIAL_ID:
ae_tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
break;
case RICHACE_EVERYONE_SPECIAL_ID:
ae_tag = ARCHIVE_ENTRY_ACL_EVERYONE;
break;
default: /* Unknown special ID type */
continue;
}
} else {
ae_id = richace->e_id;
if (richace->e_flags & RICHACE_IDENTIFIER_GROUP) {
ae_tag = ARCHIVE_ENTRY_ACL_GROUP;
ae_name = archive_read_disk_gname(&a->archive,
(gid_t)(richace->e_id));
} else {
ae_tag = ARCHIVE_ENTRY_ACL_USER;
ae_name = archive_read_disk_uname(&a->archive,
(uid_t)(richace->e_id));
}
}
for (i = 0; i < acl_nfs4_flag_map_size; ++i) {
if ((richace->e_flags &
acl_nfs4_flag_map[i].p_perm) != 0)
ae_perm |= acl_nfs4_flag_map[i].a_perm;
}
for (i = 0; i < acl_nfs4_perm_map_size; ++i) {
if ((richace->e_mask &
acl_nfs4_perm_map[i].p_perm) != 0)
ae_perm |=
acl_nfs4_perm_map[i].a_perm;
}
archive_entry_acl_add_entry(entry, entry_acl_type,
ae_perm, ae_tag, ae_id, ae_name);
}
return (ARCHIVE_OK);
}
#endif /* ARCHIVE_ACL_LIBRICHACL */
#if ARCHIVE_ACL_LIBRICHACL
static int
_richacl_mode_to_mask(short mode)
{
int mask = 0;
if (mode & S_IROTH)
mask |= RICHACE_POSIX_MODE_READ;
if (mode & S_IWOTH)
mask |= RICHACE_POSIX_MODE_WRITE;
if (mode & S_IXOTH)
mask |= RICHACE_POSIX_MODE_EXEC;
return (mask);
}
static void
_richacl_mode_to_masks(struct richacl *richacl, __LA_MODE_T mode)
{
richacl->a_owner_mask = _richacl_mode_to_mask((mode & 0700) >> 6);
richacl->a_group_mask = _richacl_mode_to_mask((mode & 0070) >> 3);
richacl->a_other_mask = _richacl_mode_to_mask(mode & 0007);
}
#endif /* ARCHIVE_ACL_LIBRICHACL */
#if ARCHIVE_ACL_LIBRICHACL
static int
set_richacl(struct archive *a, int fd, const char *name,
struct archive_acl *abstract_acl, __LA_MODE_T mode,
int ae_requested_type, const char *tname)
{
int ae_type, ae_permset, ae_tag, ae_id;
uid_t ae_uid;
gid_t ae_gid;
const char *ae_name;
int entries;
int i;
int ret;
int e = 0;
struct richacl *richacl = NULL;
struct richace *richace;
ret = ARCHIVE_OK;
entries = archive_acl_reset(abstract_acl, ae_requested_type);
if (entries == 0)
return (ARCHIVE_OK);
if (ae_requested_type != ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
errno = ENOENT;
archive_set_error(a, errno, "Unsupported ACL type");
return (ARCHIVE_FAILED);
}
richacl = richacl_alloc(entries);
if (richacl == NULL) {
archive_set_error(a, errno,
"Failed to initialize RichACL working storage");
return (ARCHIVE_FAILED);
}
e = 0;
while (archive_acl_next(a, abstract_acl, ae_requested_type, &ae_type,
&ae_permset, &ae_tag, &ae_id, &ae_name) == ARCHIVE_OK) {
richace = &(richacl->a_entries[e]);
richace->e_flags = 0;
richace->e_mask = 0;
switch (ae_tag) {
case ARCHIVE_ENTRY_ACL_USER:
ae_uid = archive_write_disk_uid(a, ae_name, ae_id);
richace->e_id = ae_uid;
break;
case ARCHIVE_ENTRY_ACL_GROUP:
ae_gid = archive_write_disk_gid(a, ae_name, ae_id);
richace->e_id = ae_gid;
richace->e_flags |= RICHACE_IDENTIFIER_GROUP;
break;
case ARCHIVE_ENTRY_ACL_USER_OBJ:
richace->e_flags |= RICHACE_SPECIAL_WHO;
richace->e_id = RICHACE_OWNER_SPECIAL_ID;
break;
case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
richace->e_flags |= RICHACE_SPECIAL_WHO;
richace->e_id = RICHACE_GROUP_SPECIAL_ID;
break;
case ARCHIVE_ENTRY_ACL_EVERYONE:
richace->e_flags |= RICHACE_SPECIAL_WHO;
richace->e_id = RICHACE_EVERYONE_SPECIAL_ID;
break;
default:
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unsupported ACL tag");
ret = ARCHIVE_FAILED;
goto exit_free;
}
switch (ae_type) {
case ARCHIVE_ENTRY_ACL_TYPE_ALLOW:
richace->e_type =
RICHACE_ACCESS_ALLOWED_ACE_TYPE;
break;
case ARCHIVE_ENTRY_ACL_TYPE_DENY:
richace->e_type =
RICHACE_ACCESS_DENIED_ACE_TYPE;
break;
case ARCHIVE_ENTRY_ACL_TYPE_AUDIT:
case ARCHIVE_ENTRY_ACL_TYPE_ALARM:
break;
default:
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unsupported ACL entry type");
ret = ARCHIVE_FAILED;
goto exit_free;
}
for (i = 0; i < acl_nfs4_perm_map_size; ++i) {
if (ae_permset & acl_nfs4_perm_map[i].a_perm)
richace->e_mask |= acl_nfs4_perm_map[i].p_perm;
}
for (i = 0; i < acl_nfs4_flag_map_size; ++i) {
if (ae_permset &
acl_nfs4_flag_map[i].a_perm)
richace->e_flags |= acl_nfs4_flag_map[i].p_perm;
}
e++;
}
/* Fill RichACL masks */
_richacl_mode_to_masks(richacl, mode);
if (fd >= 0) {
if (richacl_set_fd(fd, richacl) == 0)
ret = ARCHIVE_OK;
else {
if (errno == EOPNOTSUPP) {
/* Filesystem doesn't support ACLs */
ret = ARCHIVE_OK;
} else {
archive_set_error(a, errno,
"Failed to set richacl on fd: %s", tname);
ret = ARCHIVE_WARN;
}
}
} else if (richacl_set_file(name, richacl) != 0) {
if (errno == EOPNOTSUPP) {
/* Filesystem doesn't support ACLs */
ret = ARCHIVE_OK;
} else {
archive_set_error(a, errno, "Failed to set richacl: %s",
tname);
ret = ARCHIVE_WARN;
}
}
exit_free:
richacl_free(richacl);
return (ret);
}
#endif /* ARCHIVE_ACL_RICHACL */
#if ARCHIVE_ACL_LIBACL
static int
set_acl(struct archive *a, int fd, const char *name,
struct archive_acl *abstract_acl,
int ae_requested_type, const char *tname)
{
int acl_type = 0;
int ae_type, ae_permset, ae_tag, ae_id;
uid_t ae_uid;
gid_t ae_gid;
const char *ae_name;
int entries;
int i;
int ret;
acl_t acl = NULL;
acl_entry_t acl_entry;
acl_permset_t acl_permset;
ret = ARCHIVE_OK;
entries = archive_acl_reset(abstract_acl, ae_requested_type);
if (entries == 0)
return (ARCHIVE_OK);
switch (ae_requested_type) {
case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
acl_type = ACL_TYPE_ACCESS;
break;
case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
acl_type = ACL_TYPE_DEFAULT;
break;
default:
errno = ENOENT;
archive_set_error(a, errno, "Unsupported ACL type");
return (ARCHIVE_FAILED);
}
acl = acl_init(entries);
if (acl == (acl_t)NULL) {
archive_set_error(a, errno,
"Failed to initialize ACL working storage");
return (ARCHIVE_FAILED);
}
while (archive_acl_next(a, abstract_acl, ae_requested_type, &ae_type,
&ae_permset, &ae_tag, &ae_id, &ae_name) == ARCHIVE_OK) {
if (acl_create_entry(&acl, &acl_entry) != 0) {
archive_set_error(a, errno,
"Failed to create a new ACL entry");
ret = ARCHIVE_FAILED;
goto exit_free;
}
switch (ae_tag) {
case ARCHIVE_ENTRY_ACL_USER:
ae_uid = archive_write_disk_uid(a, ae_name, ae_id);
acl_set_tag_type(acl_entry, ACL_USER);
acl_set_qualifier(acl_entry, &ae_uid);
break;
case ARCHIVE_ENTRY_ACL_GROUP:
ae_gid = archive_write_disk_gid(a, ae_name, ae_id);
acl_set_tag_type(acl_entry, ACL_GROUP);
acl_set_qualifier(acl_entry, &ae_gid);
break;
case ARCHIVE_ENTRY_ACL_USER_OBJ:
acl_set_tag_type(acl_entry, ACL_USER_OBJ);
break;
case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
acl_set_tag_type(acl_entry, ACL_GROUP_OBJ);
break;
case ARCHIVE_ENTRY_ACL_MASK:
acl_set_tag_type(acl_entry, ACL_MASK);
break;
case ARCHIVE_ENTRY_ACL_OTHER:
acl_set_tag_type(acl_entry, ACL_OTHER);
break;
default:
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unsupported ACL tag");
ret = ARCHIVE_FAILED;
goto exit_free;
}
if (acl_get_permset(acl_entry, &acl_permset) != 0) {
archive_set_error(a, errno,
"Failed to get ACL permission set");
ret = ARCHIVE_FAILED;
goto exit_free;
}
if (acl_clear_perms(acl_permset) != 0) {
archive_set_error(a, errno,
"Failed to clear ACL permissions");
ret = ARCHIVE_FAILED;
goto exit_free;
}
for (i = 0; i < acl_posix_perm_map_size; ++i) {
if (ae_permset & acl_posix_perm_map[i].a_perm) {
if (acl_add_perm(acl_permset,
acl_posix_perm_map[i].p_perm) != 0) {
archive_set_error(a, errno,
"Failed to add ACL permission");
ret = ARCHIVE_FAILED;
goto exit_free;
}
}
}
}
if (fd >= 0 && ae_requested_type == ARCHIVE_ENTRY_ACL_TYPE_ACCESS) {
if (acl_set_fd(fd, acl) == 0)
ret = ARCHIVE_OK;
else {
if (errno == EOPNOTSUPP) {
/* Filesystem doesn't support ACLs */
ret = ARCHIVE_OK;
} else {
archive_set_error(a, errno,
"Failed to set acl on fd: %s", tname);
ret = ARCHIVE_WARN;
}
}
} else if (acl_set_file(name, acl_type, acl) != 0) {
if (errno == EOPNOTSUPP) {
/* Filesystem doesn't support ACLs */
ret = ARCHIVE_OK;
} else {
archive_set_error(a, errno, "Failed to set acl: %s",
tname);
ret = ARCHIVE_WARN;
}
}
exit_free:
acl_free(acl);
return (ret);
}
#endif /* ARCHIVE_ACL_LIBACL */
int
archive_read_disk_entry_setup_acls(struct archive_read_disk *a,
struct archive_entry *entry, int *fd)
{
const char *accpath;
int r;
#if ARCHIVE_ACL_LIBACL
acl_t acl;
#endif
#if ARCHIVE_ACL_LIBRICHACL
struct richacl *richacl;
mode_t mode;
#endif
accpath = NULL;
r = ARCHIVE_OK;
/* For default ACLs we need reachable accpath */
if (*fd < 0 || S_ISDIR(archive_entry_mode(entry))) {
accpath = archive_read_disk_entry_setup_path(a, entry, fd);
if (accpath == NULL)
return (ARCHIVE_WARN);
}
archive_entry_acl_clear(entry);
#if ARCHIVE_ACL_LIBACL
acl = NULL;
#endif
#if ARCHIVE_ACL_LIBRICHACL
richacl = NULL;
#endif
#if ARCHIVE_ACL_LIBRICHACL
/* Try NFSv4 ACL first. */
if (*fd >= 0)
richacl = richacl_get_fd(*fd);
else if ((!a->follow_symlinks)
&& (archive_entry_filetype(entry) == AE_IFLNK))
/* We can't get the ACL of a symlink, so we assume it can't
have one */
richacl = NULL;
else
richacl = richacl_get_file(accpath);
/* Ignore "trivial" ACLs that just mirror the file mode. */
if (richacl != NULL) {
mode = archive_entry_mode(entry);
if (richacl_equiv_mode(richacl, &mode) == 0) {
richacl_free(richacl);
richacl = NULL;
return (ARCHIVE_OK);
}
}
if (richacl != NULL) {
r = translate_richacl(a, entry, richacl);
richacl_free(richacl);
richacl = NULL;
if (r != ARCHIVE_OK) {
archive_set_error(&a->archive, errno,
"Couldn't translate NFSv4 ACLs");
}
return (r);
}
#endif /* ARCHIVE_ACL_LIBRICHACL */
#if ARCHIVE_ACL_LIBACL
/* Retrieve access ACL from file. */
if (*fd >= 0)
acl = acl_get_fd(*fd);
else if ((!a->follow_symlinks)
&& (archive_entry_filetype(entry) == AE_IFLNK))
/* We can't get the ACL of a symlink, so we assume it can't
have one. */
acl = NULL;
else
acl = acl_get_file(accpath, ACL_TYPE_ACCESS);
if (acl != NULL) {
r = translate_acl(a, entry, acl, ARCHIVE_ENTRY_ACL_TYPE_ACCESS);
acl_free(acl);
acl = NULL;
if (r != ARCHIVE_OK) {
archive_set_error(&a->archive, errno,
"Couldn't translate access ACLs");
return (r);
}
}
/* Only directories can have default ACLs. */
if (S_ISDIR(archive_entry_mode(entry))) {
acl = acl_get_file(accpath, ACL_TYPE_DEFAULT);
if (acl != NULL) {
r = translate_acl(a, entry, acl,
ARCHIVE_ENTRY_ACL_TYPE_DEFAULT);
acl_free(acl);
if (r != ARCHIVE_OK) {
archive_set_error(&a->archive, errno,
"Couldn't translate default ACLs");
return (r);
}
}
}
#endif /* ARCHIVE_ACL_LIBACL */
return (r);
}
int
archive_write_disk_set_acls(struct archive *a, int fd, const char *name,
struct archive_acl *abstract_acl, __LA_MODE_T mode)
{
int ret = ARCHIVE_OK;
#if !ARCHIVE_ACL_LIBRICHACL
(void)mode; /* UNUSED */
#endif
#if ARCHIVE_ACL_LIBRICHACL
if ((archive_acl_types(abstract_acl)
& ARCHIVE_ENTRY_ACL_TYPE_NFS4) != 0) {
ret = set_richacl(a, fd, name, abstract_acl, mode,
ARCHIVE_ENTRY_ACL_TYPE_NFS4, "nfs4");
}
#if ARCHIVE_ACL_LIBACL
else
#endif
#endif /* ARCHIVE_ACL_LIBRICHACL */
#if ARCHIVE_ACL_LIBACL
if ((archive_acl_types(abstract_acl)
& ARCHIVE_ENTRY_ACL_TYPE_POSIX1E) != 0) {
if ((archive_acl_types(abstract_acl)
& ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) {
ret = set_acl(a, fd, name, abstract_acl,
ARCHIVE_ENTRY_ACL_TYPE_ACCESS, "access");
if (ret != ARCHIVE_OK)
return (ret);
}
if ((archive_acl_types(abstract_acl)
& ARCHIVE_ENTRY_ACL_TYPE_DEFAULT) != 0)
ret = set_acl(a, fd, name, abstract_acl,
ARCHIVE_ENTRY_ACL_TYPE_DEFAULT, "default");
}
#endif /* ARCHIVE_ACL_LIBACL */
return (ret);
}
#endif /* ARCHIVE_ACL_LIBACL || ARCHIVE_ACL_LIBRICHACL */

819
3rdparty/libarchive/c/archive_disk_acl_sunos.c vendored Normal file
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@ -0,0 +1,819 @@
/*-
* Copyright (c) 2017 Martin Matuska
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
#if ARCHIVE_ACL_SUNOS
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_ACL_H
#define _ACL_PRIVATE /* For debugging */
#include <sys/acl.h>
#endif
#include "archive_entry.h"
#include "archive_private.h"
#include "archive_read_disk_private.h"
#include "archive_write_disk_private.h"
typedef struct {
const int a_perm; /* Libarchive permission or flag */
const int p_perm; /* Platform permission or flag */
} acl_perm_map_t;
static const acl_perm_map_t acl_posix_perm_map[] = {
{ARCHIVE_ENTRY_ACL_EXECUTE, S_IXOTH },
{ARCHIVE_ENTRY_ACL_WRITE, S_IWOTH },
{ARCHIVE_ENTRY_ACL_READ, S_IROTH }
};
static const int acl_posix_perm_map_size =
(int)(sizeof(acl_posix_perm_map)/sizeof(acl_posix_perm_map[0]));
#if ARCHIVE_ACL_SUNOS_NFS4
static const acl_perm_map_t acl_nfs4_perm_map[] = {
{ARCHIVE_ENTRY_ACL_EXECUTE, ACE_EXECUTE},
{ARCHIVE_ENTRY_ACL_READ_DATA, ACE_READ_DATA},
{ARCHIVE_ENTRY_ACL_LIST_DIRECTORY, ACE_LIST_DIRECTORY},
{ARCHIVE_ENTRY_ACL_WRITE_DATA, ACE_WRITE_DATA},
{ARCHIVE_ENTRY_ACL_ADD_FILE, ACE_ADD_FILE},
{ARCHIVE_ENTRY_ACL_APPEND_DATA, ACE_APPEND_DATA},
{ARCHIVE_ENTRY_ACL_ADD_SUBDIRECTORY, ACE_ADD_SUBDIRECTORY},
{ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS, ACE_READ_NAMED_ATTRS},
{ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS, ACE_WRITE_NAMED_ATTRS},
{ARCHIVE_ENTRY_ACL_DELETE_CHILD, ACE_DELETE_CHILD},
{ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES, ACE_READ_ATTRIBUTES},
{ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES, ACE_WRITE_ATTRIBUTES},
{ARCHIVE_ENTRY_ACL_DELETE, ACE_DELETE},
{ARCHIVE_ENTRY_ACL_READ_ACL, ACE_READ_ACL},
{ARCHIVE_ENTRY_ACL_WRITE_ACL, ACE_WRITE_ACL},
{ARCHIVE_ENTRY_ACL_WRITE_OWNER, ACE_WRITE_OWNER},
{ARCHIVE_ENTRY_ACL_SYNCHRONIZE, ACE_SYNCHRONIZE}
};
static const int acl_nfs4_perm_map_size =
(int)(sizeof(acl_nfs4_perm_map)/sizeof(acl_nfs4_perm_map[0]));
static const acl_perm_map_t acl_nfs4_flag_map[] = {
{ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT, ACE_FILE_INHERIT_ACE},
{ARCHIVE_ENTRY_ACL_ENTRY_DIRECTORY_INHERIT, ACE_DIRECTORY_INHERIT_ACE},
{ARCHIVE_ENTRY_ACL_ENTRY_NO_PROPAGATE_INHERIT, ACE_NO_PROPAGATE_INHERIT_ACE},
{ARCHIVE_ENTRY_ACL_ENTRY_INHERIT_ONLY, ACE_INHERIT_ONLY_ACE},
{ARCHIVE_ENTRY_ACL_ENTRY_SUCCESSFUL_ACCESS, ACE_SUCCESSFUL_ACCESS_ACE_FLAG},
{ARCHIVE_ENTRY_ACL_ENTRY_FAILED_ACCESS, ACE_FAILED_ACCESS_ACE_FLAG},
#ifdef ACE_INHERITED_ACE
{ARCHIVE_ENTRY_ACL_ENTRY_INHERITED, ACE_INHERITED_ACE}
#endif
};
const int acl_nfs4_flag_map_size =
(int)(sizeof(acl_nfs4_flag_map)/sizeof(acl_nfs4_flag_map[0]));
#endif /* ARCHIVE_ACL_SUNOS_NFS4 */
static void *
sunacl_get(int cmd, int *aclcnt, int fd, const char *path)
{
int cnt, cntcmd;
size_t size;
void *aclp;
if (cmd == GETACL) {
cntcmd = GETACLCNT;
size = sizeof(aclent_t);
}
#if ARCHIVE_ACL_SUNOS_NFS4
else if (cmd == ACE_GETACL) {
cntcmd = ACE_GETACLCNT;
size = sizeof(ace_t);
}
#endif
else {
errno = EINVAL;
*aclcnt = -1;
return (NULL);
}
aclp = NULL;
cnt = -2;
while (cnt == -2 || (cnt == -1 && errno == ENOSPC)) {
if (path != NULL)
cnt = acl(path, cntcmd, 0, NULL);
else
cnt = facl(fd, cntcmd, 0, NULL);
if (cnt > 0) {
if (aclp == NULL)
aclp = malloc(cnt * size);
else
aclp = realloc(NULL, cnt * size);
if (aclp != NULL) {
if (path != NULL)
cnt = acl(path, cmd, cnt, aclp);
else
cnt = facl(fd, cmd, cnt, aclp);
}
} else {
free(aclp);
aclp = NULL;
break;
}
}
*aclcnt = cnt;
return (aclp);
}
/*
* Check if acl is trivial
* This is a FreeBSD acl_is_trivial_np() implementation for Solaris
*/
static int
sun_acl_is_trivial(void *aclp, int aclcnt, mode_t mode, int is_nfs4,
int is_dir, int *trivialp)
{
#if ARCHIVE_ACL_SUNOS_NFS4
int i, p;
const uint32_t rperm = ACE_READ_DATA;
const uint32_t wperm = ACE_WRITE_DATA | ACE_APPEND_DATA;
const uint32_t eperm = ACE_EXECUTE;
const uint32_t pubset = ACE_READ_ATTRIBUTES | ACE_READ_NAMED_ATTRS |
ACE_READ_ACL | ACE_SYNCHRONIZE;
const uint32_t ownset = pubset | ACE_WRITE_ATTRIBUTES |
ACE_WRITE_NAMED_ATTRS | ACE_WRITE_ACL | ACE_WRITE_OWNER;
ace_t *ace;
ace_t tace[6];
#endif
if (aclp == NULL || trivialp == NULL)
return (-1);
*trivialp = 0;
/*
* POSIX.1e ACLs marked with ACL_IS_TRIVIAL are compatible with
* FreeBSD acl_is_trivial_np(). On Solaris they have 4 entries,
* including mask.
*/
if (!is_nfs4) {
if (aclcnt == 4)
*trivialp = 1;
return (0);
}
#if ARCHIVE_ACL_SUNOS_NFS4
/*
* Continue with checking NFSv4 ACLs
*
* Create list of trivial ace's to be compared
*/
/* owner@ allow pre */
tace[0].a_flags = ACE_OWNER;
tace[0].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
tace[0].a_access_mask = 0;
/* owner@ deny */
tace[1].a_flags = ACE_OWNER;
tace[1].a_type = ACE_ACCESS_DENIED_ACE_TYPE;
tace[1].a_access_mask = 0;
/* group@ deny */
tace[2].a_flags = ACE_GROUP | ACE_IDENTIFIER_GROUP;
tace[2].a_type = ACE_ACCESS_DENIED_ACE_TYPE;
tace[2].a_access_mask = 0;
/* owner@ allow */
tace[3].a_flags = ACE_OWNER;
tace[3].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
tace[3].a_access_mask = ownset;
/* group@ allow */
tace[4].a_flags = ACE_GROUP | ACE_IDENTIFIER_GROUP;
tace[4].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
tace[4].a_access_mask = pubset;
/* everyone@ allow */
tace[5].a_flags = ACE_EVERYONE;
tace[5].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
tace[5].a_access_mask = pubset;
/* Permissions for everyone@ */
if (mode & 0004)
tace[5].a_access_mask |= rperm;
if (mode & 0002)
tace[5].a_access_mask |= wperm;
if (mode & 0001)
tace[5].a_access_mask |= eperm;
/* Permissions for group@ */
if (mode & 0040)
tace[4].a_access_mask |= rperm;
else if (mode & 0004)
tace[2].a_access_mask |= rperm;
if (mode & 0020)
tace[4].a_access_mask |= wperm;
else if (mode & 0002)
tace[2].a_access_mask |= wperm;
if (mode & 0010)
tace[4].a_access_mask |= eperm;
else if (mode & 0001)
tace[2].a_access_mask |= eperm;
/* Permissions for owner@ */
if (mode & 0400) {
tace[3].a_access_mask |= rperm;
if (!(mode & 0040) && (mode & 0004))
tace[0].a_access_mask |= rperm;
} else if ((mode & 0040) || (mode & 0004))
tace[1].a_access_mask |= rperm;
if (mode & 0200) {
tace[3].a_access_mask |= wperm;
if (!(mode & 0020) && (mode & 0002))
tace[0].a_access_mask |= wperm;
} else if ((mode & 0020) || (mode & 0002))
tace[1].a_access_mask |= wperm;
if (mode & 0100) {
tace[3].a_access_mask |= eperm;
if (!(mode & 0010) && (mode & 0001))
tace[0].a_access_mask |= eperm;
} else if ((mode & 0010) || (mode & 0001))
tace[1].a_access_mask |= eperm;
/* Check if the acl count matches */
p = 3;
for (i = 0; i < 3; i++) {
if (tace[i].a_access_mask != 0)
p++;
}
if (aclcnt != p)
return (0);
p = 0;
for (i = 0; i < 6; i++) {
if (tace[i].a_access_mask != 0) {
ace = &((ace_t *)aclp)[p];
/*
* Illumos added ACE_DELETE_CHILD to write perms for
* directories. We have to check against that, too.
*/
if (ace->a_flags != tace[i].a_flags ||
ace->a_type != tace[i].a_type ||
(ace->a_access_mask != tace[i].a_access_mask &&
(!is_dir || (tace[i].a_access_mask & wperm) == 0 ||
ace->a_access_mask !=
(tace[i].a_access_mask | ACE_DELETE_CHILD))))
return (0);
p++;
}
}
*trivialp = 1;
#else /* !ARCHIVE_ACL_SUNOS_NFS4 */
(void)is_dir; /* UNUSED */
(void)aclp; /* UNUSED */
#endif /* !ARCHIVE_ACL_SUNOS_NFS4 */
return (0);
}
/*
* Translate Solaris POSIX.1e and NFSv4 ACLs into libarchive internal ACL
*/
static int
translate_acl(struct archive_read_disk *a,
struct archive_entry *entry, void *aclp, int aclcnt,
int default_entry_acl_type)
{
int e, i;
int ae_id, ae_tag, ae_perm;
int entry_acl_type;
const char *ae_name;
aclent_t *aclent;
#if ARCHIVE_ACL_SUNOS_NFS4
ace_t *ace;
#endif
if (aclcnt <= 0)
return (ARCHIVE_OK);
for (e = 0; e < aclcnt; e++) {
ae_name = NULL;
ae_tag = 0;
ae_perm = 0;
#if ARCHIVE_ACL_SUNOS_NFS4
if (default_entry_acl_type == ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
ace = &((ace_t *)aclp)[e];
ae_id = ace->a_who;
switch(ace->a_type) {
case ACE_ACCESS_ALLOWED_ACE_TYPE:
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ALLOW;
break;
case ACE_ACCESS_DENIED_ACE_TYPE:
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_DENY;
break;
case ACE_SYSTEM_AUDIT_ACE_TYPE:
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS;
break;
case ACE_SYSTEM_ALARM_ACE_TYPE:
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ALARM;
break;
default:
/* Unknown entry type, skip */
continue;
}
if ((ace->a_flags & ACE_OWNER) != 0)
ae_tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
else if ((ace->a_flags & ACE_GROUP) != 0)
ae_tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
else if ((ace->a_flags & ACE_EVERYONE) != 0)
ae_tag = ARCHIVE_ENTRY_ACL_EVERYONE;
else if ((ace->a_flags & ACE_IDENTIFIER_GROUP) != 0) {
ae_tag = ARCHIVE_ENTRY_ACL_GROUP;
ae_name = archive_read_disk_gname(&a->archive,
ae_id);
} else {
ae_tag = ARCHIVE_ENTRY_ACL_USER;
ae_name = archive_read_disk_uname(&a->archive,
ae_id);
}
for (i = 0; i < acl_nfs4_flag_map_size; ++i) {
if ((ace->a_flags &
acl_nfs4_flag_map[i].p_perm) != 0)
ae_perm |= acl_nfs4_flag_map[i].a_perm;
}
for (i = 0; i < acl_nfs4_perm_map_size; ++i) {
if ((ace->a_access_mask &
acl_nfs4_perm_map[i].p_perm) != 0)
ae_perm |= acl_nfs4_perm_map[i].a_perm;
}
} else
#endif /* ARCHIVE_ACL_SUNOS_NFS4 */
if (default_entry_acl_type == ARCHIVE_ENTRY_ACL_TYPE_ACCESS) {
aclent = &((aclent_t *)aclp)[e];
if ((aclent->a_type & ACL_DEFAULT) != 0)
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_DEFAULT;
else
entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ACCESS;
ae_id = aclent->a_id;
switch(aclent->a_type) {
case DEF_USER:
case USER:
ae_name = archive_read_disk_uname(&a->archive,
ae_id);
ae_tag = ARCHIVE_ENTRY_ACL_USER;
break;
case DEF_GROUP:
case GROUP:
ae_name = archive_read_disk_gname(&a->archive,
ae_id);
ae_tag = ARCHIVE_ENTRY_ACL_GROUP;
break;
case DEF_CLASS_OBJ:
case CLASS_OBJ:
ae_tag = ARCHIVE_ENTRY_ACL_MASK;
break;
case DEF_USER_OBJ:
case USER_OBJ:
ae_tag = ARCHIVE_ENTRY_ACL_USER_OBJ;
break;
case DEF_GROUP_OBJ:
case GROUP_OBJ:
ae_tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ;
break;
case DEF_OTHER_OBJ:
case OTHER_OBJ:
ae_tag = ARCHIVE_ENTRY_ACL_OTHER;
break;
default:
/* Unknown tag type, skip */
continue;
}
for (i = 0; i < acl_posix_perm_map_size; ++i) {
if ((aclent->a_perm &
acl_posix_perm_map[i].p_perm) != 0)
ae_perm |= acl_posix_perm_map[i].a_perm;
}
} else
return (ARCHIVE_WARN);
archive_entry_acl_add_entry(entry, entry_acl_type,
ae_perm, ae_tag, ae_id, ae_name);
}
return (ARCHIVE_OK);
}
static int
set_acl(struct archive *a, int fd, const char *name,
struct archive_acl *abstract_acl,
int ae_requested_type, const char *tname)
{
aclent_t *aclent;
#if ARCHIVE_ACL_SUNOS_NFS4
ace_t *ace;
#endif
int cmd, e, r;
void *aclp;
int ret;
int ae_type, ae_permset, ae_tag, ae_id;
int perm_map_size;
const acl_perm_map_t *perm_map;
uid_t ae_uid;
gid_t ae_gid;
const char *ae_name;
int entries;
int i;
ret = ARCHIVE_OK;
entries = archive_acl_reset(abstract_acl, ae_requested_type);
if (entries == 0)
return (ARCHIVE_OK);
switch (ae_requested_type) {
case ARCHIVE_ENTRY_ACL_TYPE_POSIX1E:
cmd = SETACL;
aclp = malloc(entries * sizeof(aclent_t));
break;
#if ARCHIVE_ACL_SUNOS_NFS4
case ARCHIVE_ENTRY_ACL_TYPE_NFS4:
cmd = ACE_SETACL;
aclp = malloc(entries * sizeof(ace_t));
break;
#endif
default:
errno = ENOENT;
archive_set_error(a, errno, "Unsupported ACL type");
return (ARCHIVE_FAILED);
}
if (aclp == NULL) {
archive_set_error(a, errno,
"Can't allocate memory for acl buffer");
return (ARCHIVE_FAILED);
}
e = 0;
while (archive_acl_next(a, abstract_acl, ae_requested_type, &ae_type,
&ae_permset, &ae_tag, &ae_id, &ae_name) == ARCHIVE_OK) {
aclent = NULL;
#if ARCHIVE_ACL_SUNOS_NFS4
ace = NULL;
#endif
if (cmd == SETACL) {
aclent = &((aclent_t *)aclp)[e];
aclent->a_id = -1;
aclent->a_type = 0;
aclent->a_perm = 0;
}
#if ARCHIVE_ACL_SUNOS_NFS4
else { /* cmd == ACE_SETACL */
ace = &((ace_t *)aclp)[e];
ace->a_who = -1;
ace->a_access_mask = 0;
ace->a_flags = 0;
}
#endif /* ARCHIVE_ACL_SUNOS_NFS4 */
switch (ae_tag) {
case ARCHIVE_ENTRY_ACL_USER:
ae_uid = archive_write_disk_uid(a, ae_name, ae_id);
if (aclent != NULL) {
aclent->a_id = ae_uid;
aclent->a_type |= USER;
}
#if ARCHIVE_ACL_SUNOS_NFS4
else {
ace->a_who = ae_uid;
}
#endif
break;
case ARCHIVE_ENTRY_ACL_GROUP:
ae_gid = archive_write_disk_gid(a, ae_name, ae_id);
if (aclent != NULL) {
aclent->a_id = ae_gid;
aclent->a_type |= GROUP;
}
#if ARCHIVE_ACL_SUNOS_NFS4
else {
ace->a_who = ae_gid;
ace->a_flags |= ACE_IDENTIFIER_GROUP;
}
#endif
break;
case ARCHIVE_ENTRY_ACL_USER_OBJ:
if (aclent != NULL)
aclent->a_type |= USER_OBJ;
#if ARCHIVE_ACL_SUNOS_NFS4
else {
ace->a_flags |= ACE_OWNER;
}
#endif
break;
case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
if (aclent != NULL)
aclent->a_type |= GROUP_OBJ;
#if ARCHIVE_ACL_SUNOS_NFS4
else {
ace->a_flags |= ACE_GROUP;
ace->a_flags |= ACE_IDENTIFIER_GROUP;
}
#endif
break;
case ARCHIVE_ENTRY_ACL_MASK:
if (aclent != NULL)
aclent->a_type |= CLASS_OBJ;
break;
case ARCHIVE_ENTRY_ACL_OTHER:
if (aclent != NULL)
aclent->a_type |= OTHER_OBJ;
break;
#if ARCHIVE_ACL_SUNOS_NFS4
case ARCHIVE_ENTRY_ACL_EVERYONE:
if (ace != NULL)
ace->a_flags |= ACE_EVERYONE;
break;
#endif
default:
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unsupported ACL tag");
ret = ARCHIVE_FAILED;
goto exit_free;
}
r = 0;
switch (ae_type) {
#if ARCHIVE_ACL_SUNOS_NFS4
case ARCHIVE_ENTRY_ACL_TYPE_ALLOW:
if (ace != NULL)
ace->a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
else
r = -1;
break;
case ARCHIVE_ENTRY_ACL_TYPE_DENY:
if (ace != NULL)
ace->a_type = ACE_ACCESS_DENIED_ACE_TYPE;
else
r = -1;
break;
case ARCHIVE_ENTRY_ACL_TYPE_AUDIT:
if (ace != NULL)
ace->a_type = ACE_SYSTEM_AUDIT_ACE_TYPE;
else
r = -1;
break;
case ARCHIVE_ENTRY_ACL_TYPE_ALARM:
if (ace != NULL)
ace->a_type = ACE_SYSTEM_ALARM_ACE_TYPE;
else
r = -1;
break;
#endif
case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
if (aclent == NULL)
r = -1;
break;
case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
if (aclent != NULL)
aclent->a_type |= ACL_DEFAULT;
else
r = -1;
break;
default:
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unsupported ACL entry type");
ret = ARCHIVE_FAILED;
goto exit_free;
}
if (r != 0) {
errno = EINVAL;
archive_set_error(a, errno,
"Failed to set ACL entry type");
ret = ARCHIVE_FAILED;
goto exit_free;
}
#if ARCHIVE_ACL_SUNOS_NFS4
if (ae_requested_type == ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
perm_map_size = acl_nfs4_perm_map_size;
perm_map = acl_nfs4_perm_map;
} else {
#endif
perm_map_size = acl_posix_perm_map_size;
perm_map = acl_posix_perm_map;
#if ARCHIVE_ACL_SUNOS_NFS4
}
#endif
for (i = 0; i < perm_map_size; ++i) {
if (ae_permset & perm_map[i].a_perm) {
#if ARCHIVE_ACL_SUNOS_NFS4
if (ae_requested_type ==
ARCHIVE_ENTRY_ACL_TYPE_NFS4)
ace->a_access_mask |=
perm_map[i].p_perm;
else
#endif
aclent->a_perm |= perm_map[i].p_perm;
}
}
#if ARCHIVE_ACL_SUNOS_NFS4
if (ae_requested_type == ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
for (i = 0; i < acl_nfs4_flag_map_size; ++i) {
if (ae_permset & acl_nfs4_flag_map[i].a_perm) {
ace->a_flags |=
acl_nfs4_flag_map[i].p_perm;
}
}
}
#endif
e++;
}
/* Try restoring the ACL through 'fd' if we can. */
if (fd >= 0) {
if (facl(fd, cmd, entries, aclp) == 0)
ret = ARCHIVE_OK;
else {
if (errno == EOPNOTSUPP) {
/* Filesystem doesn't support ACLs */
ret = ARCHIVE_OK;
} else {
archive_set_error(a, errno,
"Failed to set acl on fd: %s", tname);
ret = ARCHIVE_WARN;
}
}
} else if (acl(name, cmd, entries, aclp) != 0) {
if (errno == EOPNOTSUPP) {
/* Filesystem doesn't support ACLs */
ret = ARCHIVE_OK;
} else {
archive_set_error(a, errno, "Failed to set acl: %s",
tname);
ret = ARCHIVE_WARN;
}
}
exit_free:
free(aclp);
return (ret);
}
int
archive_read_disk_entry_setup_acls(struct archive_read_disk *a,
struct archive_entry *entry, int *fd)
{
const char *accpath;
void *aclp;
int aclcnt;
int r;
accpath = NULL;
if (*fd < 0) {
accpath = archive_read_disk_entry_setup_path(a, entry, fd);
if (accpath == NULL)
return (ARCHIVE_WARN);
}
archive_entry_acl_clear(entry);
aclp = NULL;
#if ARCHIVE_ACL_SUNOS_NFS4
if (*fd >= 0)
aclp = sunacl_get(ACE_GETACL, &aclcnt, *fd, NULL);
else if ((!a->follow_symlinks)
&& (archive_entry_filetype(entry) == AE_IFLNK))
/* We can't get the ACL of a symlink, so we assume it can't
have one. */
aclp = NULL;
else
aclp = sunacl_get(ACE_GETACL, &aclcnt, 0, accpath);
if (aclp != NULL && sun_acl_is_trivial(aclp, aclcnt,
archive_entry_mode(entry), 1, S_ISDIR(archive_entry_mode(entry)),
&r) == 0 && r == 1) {
free(aclp);
aclp = NULL;
return (ARCHIVE_OK);
}
if (aclp != NULL) {
r = translate_acl(a, entry, aclp, aclcnt,
ARCHIVE_ENTRY_ACL_TYPE_NFS4);
free(aclp);
aclp = NULL;
if (r != ARCHIVE_OK) {
archive_set_error(&a->archive, errno,
"Couldn't translate NFSv4 ACLs");
}
return (r);
}
#endif /* ARCHIVE_ACL_SUNOS_NFS4 */
/* Retrieve POSIX.1e ACLs from file. */
if (*fd >= 0)
aclp = sunacl_get(GETACL, &aclcnt, *fd, NULL);
else if ((!a->follow_symlinks)
&& (archive_entry_filetype(entry) == AE_IFLNK))
/* We can't get the ACL of a symlink, so we assume it can't
have one. */
aclp = NULL;
else
aclp = sunacl_get(GETACL, &aclcnt, 0, accpath);
/* Ignore "trivial" ACLs that just mirror the file mode. */
if (aclp != NULL && sun_acl_is_trivial(aclp, aclcnt,
archive_entry_mode(entry), 0, S_ISDIR(archive_entry_mode(entry)),
&r) == 0 && r == 1) {
free(aclp);
aclp = NULL;
}
if (aclp != NULL)
{
r = translate_acl(a, entry, aclp, aclcnt,
ARCHIVE_ENTRY_ACL_TYPE_ACCESS);
free(aclp);
aclp = NULL;
if (r != ARCHIVE_OK) {
archive_set_error(&a->archive, errno,
"Couldn't translate access ACLs");
return (r);
}
}
return (ARCHIVE_OK);
}
int
archive_write_disk_set_acls(struct archive *a, int fd, const char *name,
struct archive_acl *abstract_acl, __LA_MODE_T mode)
{
int ret = ARCHIVE_OK;
(void)mode; /* UNUSED */
if ((archive_acl_types(abstract_acl)
& ARCHIVE_ENTRY_ACL_TYPE_POSIX1E) != 0) {
/* Solaris writes POSIX.1e access and default ACLs together */
ret = set_acl(a, fd, name, abstract_acl,
ARCHIVE_ENTRY_ACL_TYPE_POSIX1E, "posix1e");
/* Simultaneous POSIX.1e and NFSv4 is not supported */
return (ret);
}
#if ARCHIVE_ACL_SUNOS_NFS4
else if ((archive_acl_types(abstract_acl) &
ARCHIVE_ENTRY_ACL_TYPE_NFS4) != 0) {
ret = set_acl(a, fd, name, abstract_acl,
ARCHIVE_ENTRY_ACL_TYPE_NFS4, "nfs4");
}
#endif
return (ret);
}
#endif /* ARCHIVE_ACL_SUNOS */

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3rdparty/libarchive/c/archive_endian.h vendored Normal file
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/*-
* Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: head/lib/libarchive/archive_endian.h 201085 2009-12-28 02:17:15Z kientzle $
*
* Borrowed from FreeBSD's <sys/endian.h>
*/
#ifndef ARCHIVE_ENDIAN_H_INCLUDED
#define ARCHIVE_ENDIAN_H_INCLUDED
/* Note: This is a purely internal header! */
/* Do not use this outside of libarchive internal code! */
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
/*
* Disabling inline keyword for compilers known to choke on it:
* - Watcom C++ in C code. (For any version?)
* - SGI MIPSpro
* - Microsoft Visual C++ 6.0 (supposedly newer versions too)
* - IBM VisualAge 6 (XL v6)
* - Sun WorkShop C (SunPro) before 5.9
*/
#if defined(__WATCOMC__) || defined(__sgi) || defined(__hpux) || defined(__BORLANDC__)
#define inline
#elif defined(__IBMC__) && __IBMC__ < 700
#define inline
#elif defined(__SUNPRO_C) && __SUNPRO_C < 0x590
#define inline
#elif defined(_MSC_VER) || defined(__osf__)
#define inline __inline
#endif
/* Alignment-agnostic encode/decode bytestream to/from little/big endian. */
static inline uint16_t
archive_be16dec(const void *pp)
{
unsigned char const *p = (unsigned char const *)pp;
/* Store into unsigned temporaries before left shifting, to avoid
promotion to signed int and then left shifting into the sign bit,
which is undefined behaviour. */
unsigned int p1 = p[1];
unsigned int p0 = p[0];
return ((p0 << 8) | p1);
}
static inline uint32_t
archive_be32dec(const void *pp)
{
unsigned char const *p = (unsigned char const *)pp;
/* Store into unsigned temporaries before left shifting, to avoid
promotion to signed int and then left shifting into the sign bit,
which is undefined behaviour. */
unsigned int p3 = p[3];
unsigned int p2 = p[2];
unsigned int p1 = p[1];
unsigned int p0 = p[0];
return ((p0 << 24) | (p1 << 16) | (p2 << 8) | p3);
}
static inline uint64_t
archive_be64dec(const void *pp)
{
unsigned char const *p = (unsigned char const *)pp;
return (((uint64_t)archive_be32dec(p) << 32) | archive_be32dec(p + 4));
}
static inline uint16_t
archive_le16dec(const void *pp)
{
unsigned char const *p = (unsigned char const *)pp;
/* Store into unsigned temporaries before left shifting, to avoid
promotion to signed int and then left shifting into the sign bit,
which is undefined behaviour. */
unsigned int p1 = p[1];
unsigned int p0 = p[0];
return ((p1 << 8) | p0);
}
static inline uint32_t
archive_le32dec(const void *pp)
{
unsigned char const *p = (unsigned char const *)pp;
/* Store into unsigned temporaries before left shifting, to avoid
promotion to signed int and then left shifting into the sign bit,
which is undefined behaviour. */
unsigned int p3 = p[3];
unsigned int p2 = p[2];
unsigned int p1 = p[1];
unsigned int p0 = p[0];
return ((p3 << 24) | (p2 << 16) | (p1 << 8) | p0);
}
static inline uint64_t
archive_le64dec(const void *pp)
{
unsigned char const *p = (unsigned char const *)pp;
return (((uint64_t)archive_le32dec(p + 4) << 32) | archive_le32dec(p));
}
static inline void
archive_be16enc(void *pp, uint16_t u)
{
unsigned char *p = (unsigned char *)pp;
p[0] = (u >> 8) & 0xff;
p[1] = u & 0xff;
}
static inline void
archive_be32enc(void *pp, uint32_t u)
{
unsigned char *p = (unsigned char *)pp;
p[0] = (u >> 24) & 0xff;
p[1] = (u >> 16) & 0xff;
p[2] = (u >> 8) & 0xff;
p[3] = u & 0xff;
}
static inline void
archive_be64enc(void *pp, uint64_t u)
{
unsigned char *p = (unsigned char *)pp;
archive_be32enc(p, (uint32_t)(u >> 32));
archive_be32enc(p + 4, (uint32_t)(u & 0xffffffff));
}
static inline void
archive_le16enc(void *pp, uint16_t u)
{
unsigned char *p = (unsigned char *)pp;
p[0] = u & 0xff;
p[1] = (u >> 8) & 0xff;
}
static inline void
archive_le32enc(void *pp, uint32_t u)
{
unsigned char *p = (unsigned char *)pp;
p[0] = u & 0xff;
p[1] = (u >> 8) & 0xff;
p[2] = (u >> 16) & 0xff;
p[3] = (u >> 24) & 0xff;
}
static inline void
archive_le64enc(void *pp, uint64_t u)
{
unsigned char *p = (unsigned char *)pp;
archive_le32enc(p, (uint32_t)(u & 0xffffffff));
archive_le32enc(p + 4, (uint32_t)(u >> 32));
}
#endif

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3rdparty/libarchive/c/archive_entry.c vendored Normal file
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3rdparty/libarchive/c/archive_entry.h vendored Normal file
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/*-
* Copyright (c) 2003-2008 Tim Kientzle
* Copyright (c) 2016 Martin Matuska
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: head/lib/libarchive/archive_entry.h 201096 2009-12-28 02:41:27Z kientzle $
*/
#ifndef ARCHIVE_ENTRY_H_INCLUDED
#define ARCHIVE_ENTRY_H_INCLUDED
/* Note: Compiler will complain if this does not match archive.h! */
#define ARCHIVE_VERSION_NUMBER 3004003
/*
* Note: archive_entry.h is for use outside of libarchive; the
* configuration headers (config.h, archive_platform.h, etc.) are
* purely internal. Do NOT use HAVE_XXX configuration macros to
* control the behavior of this header! If you must conditionalize,
* use predefined compiler and/or platform macros.
*/
#include <sys/types.h>
#include <stddef.h> /* for wchar_t */
#include <stdint.h>
#include <time.h>
#if defined(_WIN32) && !defined(__CYGWIN__)
#include <windows.h>
#endif
/* Get a suitable 64-bit integer type. */
#if !defined(__LA_INT64_T_DEFINED)
# if ARCHIVE_VERSION_NUMBER < 4000000
#define __LA_INT64_T la_int64_t
# endif
#define __LA_INT64_T_DEFINED
# if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__WATCOMC__)
typedef __int64 la_int64_t;
# else
#include <unistd.h>
# if defined(_SCO_DS) || defined(__osf__)
typedef long long la_int64_t;
# else
typedef int64_t la_int64_t;
# endif
# endif
#endif
/* The la_ssize_t should match the type used in 'struct stat' */
#if !defined(__LA_SSIZE_T_DEFINED)
/* Older code relied on the __LA_SSIZE_T macro; after 4.0 we'll switch to the typedef exclusively. */
# if ARCHIVE_VERSION_NUMBER < 4000000
#define __LA_SSIZE_T la_ssize_t
# endif
#define __LA_SSIZE_T_DEFINED
# if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__WATCOMC__)
# if defined(_SSIZE_T_DEFINED) || defined(_SSIZE_T_)
typedef ssize_t la_ssize_t;
# elif defined(_WIN64)
typedef __int64 la_ssize_t;
# else
typedef long la_ssize_t;
# endif
# else
# include <unistd.h> /* ssize_t */
typedef ssize_t la_ssize_t;
# endif
#endif
/* Get a suitable definition for mode_t */
#if ARCHIVE_VERSION_NUMBER >= 3999000
/* Switch to plain 'int' for libarchive 4.0. It's less broken than 'mode_t' */
# define __LA_MODE_T int
#elif defined(_WIN32) && !defined(__CYGWIN__) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
# define __LA_MODE_T unsigned short
#else
# define __LA_MODE_T mode_t
#endif
/* Large file support for Android */
#ifdef __ANDROID__
#include "android_lf.h"
#endif
/*
* On Windows, define LIBARCHIVE_STATIC if you're building or using a
* .lib. The default here assumes you're building a DLL. Only
* libarchive source should ever define __LIBARCHIVE_BUILD.
*/
#if ((defined __WIN32__) || (defined _WIN32) || defined(__CYGWIN__)) && (!defined LIBARCHIVE_STATIC)
# ifdef __LIBARCHIVE_BUILD
# ifdef __GNUC__
# define __LA_DECL __attribute__((dllexport)) extern
# else
# define __LA_DECL __declspec(dllexport)
# endif
# else
# ifdef __GNUC__
# define __LA_DECL
# else
# define __LA_DECL __declspec(dllimport)
# endif
# endif
#else
/* Static libraries on all platforms and shared libraries on non-Windows. */
# define __LA_DECL
#endif
#if defined(__GNUC__) && __GNUC__ >= 3 && __GNUC_MINOR__ >= 1
# define __LA_DEPRECATED __attribute__((deprecated))
#else
# define __LA_DEPRECATED
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* Description of an archive entry.
*
* You can think of this as "struct stat" with some text fields added in.
*
* TODO: Add "comment", "charset", and possibly other entries that are
* supported by "pax interchange" format. However, GNU, ustar, cpio,
* and other variants don't support these features, so they're not an
* excruciatingly high priority right now.
*
* TODO: "pax interchange" format allows essentially arbitrary
* key/value attributes to be attached to any entry. Supporting
* such extensions may make this library useful for special
* applications (e.g., a package manager could attach special
* package-management attributes to each entry).
*/
struct archive;
struct archive_entry;
/*
* File-type constants. These are returned from archive_entry_filetype()
* and passed to archive_entry_set_filetype().
*
* These values match S_XXX defines on every platform I've checked,
* including Windows, AIX, Linux, Solaris, and BSD. They're
* (re)defined here because platforms generally don't define the ones
* they don't support. For example, Windows doesn't define S_IFLNK or
* S_IFBLK. Instead of having a mass of conditional logic and system
* checks to define any S_XXX values that aren't supported locally,
* I've just defined a new set of such constants so that
* libarchive-based applications can manipulate and identify archive
* entries properly even if the hosting platform can't store them on
* disk.
*
* These values are also used directly within some portable formats,
* such as cpio. If you find a platform that varies from these, the
* correct solution is to leave these alone and translate from these
* portable values to platform-native values when entries are read from
* or written to disk.
*/
/*
* In libarchive 4.0, we can drop the casts here.
* They're needed to work around Borland C's broken mode_t.
*/
#define AE_IFMT ((__LA_MODE_T)0170000)
#define AE_IFREG ((__LA_MODE_T)0100000)
#define AE_IFLNK ((__LA_MODE_T)0120000)
#define AE_IFSOCK ((__LA_MODE_T)0140000)
#define AE_IFCHR ((__LA_MODE_T)0020000)
#define AE_IFBLK ((__LA_MODE_T)0060000)
#define AE_IFDIR ((__LA_MODE_T)0040000)
#define AE_IFIFO ((__LA_MODE_T)0010000)
/*
* Symlink types
*/
#define AE_SYMLINK_TYPE_UNDEFINED 0
#define AE_SYMLINK_TYPE_FILE 1
#define AE_SYMLINK_TYPE_DIRECTORY 2
/*
* Basic object manipulation
*/
__LA_DECL struct archive_entry *archive_entry_clear(struct archive_entry *);
/* The 'clone' function does a deep copy; all of the strings are copied too. */
__LA_DECL struct archive_entry *archive_entry_clone(struct archive_entry *);
__LA_DECL void archive_entry_free(struct archive_entry *);
__LA_DECL struct archive_entry *archive_entry_new(void);
/*
* This form of archive_entry_new2() will pull character-set
* conversion information from the specified archive handle. The
* older archive_entry_new(void) form is equivalent to calling
* archive_entry_new2(NULL) and will result in the use of an internal
* default character-set conversion.
*/
__LA_DECL struct archive_entry *archive_entry_new2(struct archive *);
/*
* Retrieve fields from an archive_entry.
*
* There are a number of implicit conversions among these fields. For
* example, if a regular string field is set and you read the _w wide
* character field, the entry will implicitly convert narrow-to-wide
* using the current locale. Similarly, dev values are automatically
* updated when you write devmajor or devminor and vice versa.
*
* In addition, fields can be "set" or "unset." Unset string fields
* return NULL, non-string fields have _is_set() functions to test
* whether they've been set. You can "unset" a string field by
* assigning NULL; non-string fields have _unset() functions to
* unset them.
*
* Note: There is one ambiguity in the above; string fields will
* also return NULL when implicit character set conversions fail.
* This is usually what you want.
*/
__LA_DECL time_t archive_entry_atime(struct archive_entry *);
__LA_DECL long archive_entry_atime_nsec(struct archive_entry *);
__LA_DECL int archive_entry_atime_is_set(struct archive_entry *);
__LA_DECL time_t archive_entry_birthtime(struct archive_entry *);
__LA_DECL long archive_entry_birthtime_nsec(struct archive_entry *);
__LA_DECL int archive_entry_birthtime_is_set(struct archive_entry *);
__LA_DECL time_t archive_entry_ctime(struct archive_entry *);
__LA_DECL long archive_entry_ctime_nsec(struct archive_entry *);
__LA_DECL int archive_entry_ctime_is_set(struct archive_entry *);
__LA_DECL dev_t archive_entry_dev(struct archive_entry *);
__LA_DECL int archive_entry_dev_is_set(struct archive_entry *);
__LA_DECL dev_t archive_entry_devmajor(struct archive_entry *);
__LA_DECL dev_t archive_entry_devminor(struct archive_entry *);
__LA_DECL __LA_MODE_T archive_entry_filetype(struct archive_entry *);
__LA_DECL void archive_entry_fflags(struct archive_entry *,
unsigned long * /* set */,
unsigned long * /* clear */);
__LA_DECL const char *archive_entry_fflags_text(struct archive_entry *);
__LA_DECL la_int64_t archive_entry_gid(struct archive_entry *);
__LA_DECL const char *archive_entry_gname(struct archive_entry *);
__LA_DECL const char *archive_entry_gname_utf8(struct archive_entry *);
__LA_DECL const wchar_t *archive_entry_gname_w(struct archive_entry *);
__LA_DECL const char *archive_entry_hardlink(struct archive_entry *);
__LA_DECL const char *archive_entry_hardlink_utf8(struct archive_entry *);
__LA_DECL const wchar_t *archive_entry_hardlink_w(struct archive_entry *);
__LA_DECL la_int64_t archive_entry_ino(struct archive_entry *);
__LA_DECL la_int64_t archive_entry_ino64(struct archive_entry *);
__LA_DECL int archive_entry_ino_is_set(struct archive_entry *);
__LA_DECL __LA_MODE_T archive_entry_mode(struct archive_entry *);
__LA_DECL time_t archive_entry_mtime(struct archive_entry *);
__LA_DECL long archive_entry_mtime_nsec(struct archive_entry *);
__LA_DECL int archive_entry_mtime_is_set(struct archive_entry *);
__LA_DECL unsigned int archive_entry_nlink(struct archive_entry *);
__LA_DECL const char *archive_entry_pathname(struct archive_entry *);
__LA_DECL const char *archive_entry_pathname_utf8(struct archive_entry *);
__LA_DECL const wchar_t *archive_entry_pathname_w(struct archive_entry *);
__LA_DECL __LA_MODE_T archive_entry_perm(struct archive_entry *);
__LA_DECL dev_t archive_entry_rdev(struct archive_entry *);
__LA_DECL dev_t archive_entry_rdevmajor(struct archive_entry *);
__LA_DECL dev_t archive_entry_rdevminor(struct archive_entry *);
__LA_DECL const char *archive_entry_sourcepath(struct archive_entry *);
__LA_DECL const wchar_t *archive_entry_sourcepath_w(struct archive_entry *);
__LA_DECL la_int64_t archive_entry_size(struct archive_entry *);
__LA_DECL int archive_entry_size_is_set(struct archive_entry *);
__LA_DECL const char *archive_entry_strmode(struct archive_entry *);
__LA_DECL const char *archive_entry_symlink(struct archive_entry *);
__LA_DECL const char *archive_entry_symlink_utf8(struct archive_entry *);
__LA_DECL int archive_entry_symlink_type(struct archive_entry *);
__LA_DECL const wchar_t *archive_entry_symlink_w(struct archive_entry *);
__LA_DECL la_int64_t archive_entry_uid(struct archive_entry *);
__LA_DECL const char *archive_entry_uname(struct archive_entry *);
__LA_DECL const char *archive_entry_uname_utf8(struct archive_entry *);
__LA_DECL const wchar_t *archive_entry_uname_w(struct archive_entry *);
__LA_DECL int archive_entry_is_data_encrypted(struct archive_entry *);
__LA_DECL int archive_entry_is_metadata_encrypted(struct archive_entry *);
__LA_DECL int archive_entry_is_encrypted(struct archive_entry *);
/*
* Set fields in an archive_entry.
*
* Note: Before libarchive 2.4, there were 'set' and 'copy' versions
* of the string setters. 'copy' copied the actual string, 'set' just
* stored the pointer. In libarchive 2.4 and later, strings are
* always copied.
*/
__LA_DECL void archive_entry_set_atime(struct archive_entry *, time_t, long);
__LA_DECL void archive_entry_unset_atime(struct archive_entry *);
#if defined(_WIN32) && !defined(__CYGWIN__)
__LA_DECL void archive_entry_copy_bhfi(struct archive_entry *, BY_HANDLE_FILE_INFORMATION *);
#endif
__LA_DECL void archive_entry_set_birthtime(struct archive_entry *, time_t, long);
__LA_DECL void archive_entry_unset_birthtime(struct archive_entry *);
__LA_DECL void archive_entry_set_ctime(struct archive_entry *, time_t, long);
__LA_DECL void archive_entry_unset_ctime(struct archive_entry *);
__LA_DECL void archive_entry_set_dev(struct archive_entry *, dev_t);
__LA_DECL void archive_entry_set_devmajor(struct archive_entry *, dev_t);
__LA_DECL void archive_entry_set_devminor(struct archive_entry *, dev_t);
__LA_DECL void archive_entry_set_filetype(struct archive_entry *, unsigned int);
__LA_DECL void archive_entry_set_fflags(struct archive_entry *,
unsigned long /* set */, unsigned long /* clear */);
/* Returns pointer to start of first invalid token, or NULL if none. */
/* Note that all recognized tokens are processed, regardless. */
__LA_DECL const char *archive_entry_copy_fflags_text(struct archive_entry *,
const char *);
__LA_DECL const wchar_t *archive_entry_copy_fflags_text_w(struct archive_entry *,
const wchar_t *);
__LA_DECL void archive_entry_set_gid(struct archive_entry *, la_int64_t);
__LA_DECL void archive_entry_set_gname(struct archive_entry *, const char *);
__LA_DECL void archive_entry_set_gname_utf8(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_gname(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_gname_w(struct archive_entry *, const wchar_t *);
__LA_DECL int archive_entry_update_gname_utf8(struct archive_entry *, const char *);
__LA_DECL void archive_entry_set_hardlink(struct archive_entry *, const char *);
__LA_DECL void archive_entry_set_hardlink_utf8(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_hardlink(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_hardlink_w(struct archive_entry *, const wchar_t *);
__LA_DECL int archive_entry_update_hardlink_utf8(struct archive_entry *, const char *);
__LA_DECL void archive_entry_set_ino(struct archive_entry *, la_int64_t);
__LA_DECL void archive_entry_set_ino64(struct archive_entry *, la_int64_t);
__LA_DECL void archive_entry_set_link(struct archive_entry *, const char *);
__LA_DECL void archive_entry_set_link_utf8(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_link(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_link_w(struct archive_entry *, const wchar_t *);
__LA_DECL int archive_entry_update_link_utf8(struct archive_entry *, const char *);
__LA_DECL void archive_entry_set_mode(struct archive_entry *, __LA_MODE_T);
__LA_DECL void archive_entry_set_mtime(struct archive_entry *, time_t, long);
__LA_DECL void archive_entry_unset_mtime(struct archive_entry *);
__LA_DECL void archive_entry_set_nlink(struct archive_entry *, unsigned int);
__LA_DECL void archive_entry_set_pathname(struct archive_entry *, const char *);
__LA_DECL void archive_entry_set_pathname_utf8(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_pathname(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_pathname_w(struct archive_entry *, const wchar_t *);
__LA_DECL int archive_entry_update_pathname_utf8(struct archive_entry *, const char *);
__LA_DECL void archive_entry_set_perm(struct archive_entry *, __LA_MODE_T);
__LA_DECL void archive_entry_set_rdev(struct archive_entry *, dev_t);
__LA_DECL void archive_entry_set_rdevmajor(struct archive_entry *, dev_t);
__LA_DECL void archive_entry_set_rdevminor(struct archive_entry *, dev_t);
__LA_DECL void archive_entry_set_size(struct archive_entry *, la_int64_t);
__LA_DECL void archive_entry_unset_size(struct archive_entry *);
__LA_DECL void archive_entry_copy_sourcepath(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_sourcepath_w(struct archive_entry *, const wchar_t *);
__LA_DECL void archive_entry_set_symlink(struct archive_entry *, const char *);
__LA_DECL void archive_entry_set_symlink_type(struct archive_entry *, int);
__LA_DECL void archive_entry_set_symlink_utf8(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_symlink(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_symlink_w(struct archive_entry *, const wchar_t *);
__LA_DECL int archive_entry_update_symlink_utf8(struct archive_entry *, const char *);
__LA_DECL void archive_entry_set_uid(struct archive_entry *, la_int64_t);
__LA_DECL void archive_entry_set_uname(struct archive_entry *, const char *);
__LA_DECL void archive_entry_set_uname_utf8(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_uname(struct archive_entry *, const char *);
__LA_DECL void archive_entry_copy_uname_w(struct archive_entry *, const wchar_t *);
__LA_DECL int archive_entry_update_uname_utf8(struct archive_entry *, const char *);
__LA_DECL void archive_entry_set_is_data_encrypted(struct archive_entry *, char is_encrypted);
__LA_DECL void archive_entry_set_is_metadata_encrypted(struct archive_entry *, char is_encrypted);
/*
* Routines to bulk copy fields to/from a platform-native "struct
* stat." Libarchive used to just store a struct stat inside of each
* archive_entry object, but this created issues when trying to
* manipulate archives on systems different than the ones they were
* created on.
*
* TODO: On Linux and other LFS systems, provide both stat32 and
* stat64 versions of these functions and all of the macro glue so
* that archive_entry_stat is magically defined to
* archive_entry_stat32 or archive_entry_stat64 as appropriate.
*/
__LA_DECL const struct stat *archive_entry_stat(struct archive_entry *);
__LA_DECL void archive_entry_copy_stat(struct archive_entry *, const struct stat *);
/*
* Storage for Mac OS-specific AppleDouble metadata information.
* Apple-format tar files store a separate binary blob containing
* encoded metadata with ACL, extended attributes, etc.
* This provides a place to store that blob.
*/
__LA_DECL const void * archive_entry_mac_metadata(struct archive_entry *, size_t *);
__LA_DECL void archive_entry_copy_mac_metadata(struct archive_entry *, const void *, size_t);
/*
* ACL routines. This used to simply store and return text-format ACL
* strings, but that proved insufficient for a number of reasons:
* = clients need control over uname/uid and gname/gid mappings
* = there are many different ACL text formats
* = would like to be able to read/convert archives containing ACLs
* on platforms that lack ACL libraries
*
* This last point, in particular, forces me to implement a reasonably
* complete set of ACL support routines.
*/
/*
* Permission bits.
*/
#define ARCHIVE_ENTRY_ACL_EXECUTE 0x00000001
#define ARCHIVE_ENTRY_ACL_WRITE 0x00000002
#define ARCHIVE_ENTRY_ACL_READ 0x00000004
#define ARCHIVE_ENTRY_ACL_READ_DATA 0x00000008
#define ARCHIVE_ENTRY_ACL_LIST_DIRECTORY 0x00000008
#define ARCHIVE_ENTRY_ACL_WRITE_DATA 0x00000010
#define ARCHIVE_ENTRY_ACL_ADD_FILE 0x00000010
#define ARCHIVE_ENTRY_ACL_APPEND_DATA 0x00000020
#define ARCHIVE_ENTRY_ACL_ADD_SUBDIRECTORY 0x00000020
#define ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS 0x00000040
#define ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS 0x00000080
#define ARCHIVE_ENTRY_ACL_DELETE_CHILD 0x00000100
#define ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES 0x00000200
#define ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES 0x00000400
#define ARCHIVE_ENTRY_ACL_DELETE 0x00000800
#define ARCHIVE_ENTRY_ACL_READ_ACL 0x00001000
#define ARCHIVE_ENTRY_ACL_WRITE_ACL 0x00002000
#define ARCHIVE_ENTRY_ACL_WRITE_OWNER 0x00004000
#define ARCHIVE_ENTRY_ACL_SYNCHRONIZE 0x00008000
#define ARCHIVE_ENTRY_ACL_PERMS_POSIX1E \
(ARCHIVE_ENTRY_ACL_EXECUTE \
| ARCHIVE_ENTRY_ACL_WRITE \
| ARCHIVE_ENTRY_ACL_READ)
#define ARCHIVE_ENTRY_ACL_PERMS_NFS4 \
(ARCHIVE_ENTRY_ACL_EXECUTE \
| ARCHIVE_ENTRY_ACL_READ_DATA \
| ARCHIVE_ENTRY_ACL_LIST_DIRECTORY \
| ARCHIVE_ENTRY_ACL_WRITE_DATA \
| ARCHIVE_ENTRY_ACL_ADD_FILE \
| ARCHIVE_ENTRY_ACL_APPEND_DATA \
| ARCHIVE_ENTRY_ACL_ADD_SUBDIRECTORY \
| ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS \
| ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS \
| ARCHIVE_ENTRY_ACL_DELETE_CHILD \
| ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES \
| ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES \
| ARCHIVE_ENTRY_ACL_DELETE \
| ARCHIVE_ENTRY_ACL_READ_ACL \
| ARCHIVE_ENTRY_ACL_WRITE_ACL \
| ARCHIVE_ENTRY_ACL_WRITE_OWNER \
| ARCHIVE_ENTRY_ACL_SYNCHRONIZE)
/*
* Inheritance values (NFS4 ACLs only); included in permset.
*/
#define ARCHIVE_ENTRY_ACL_ENTRY_INHERITED 0x01000000
#define ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT 0x02000000
#define ARCHIVE_ENTRY_ACL_ENTRY_DIRECTORY_INHERIT 0x04000000
#define ARCHIVE_ENTRY_ACL_ENTRY_NO_PROPAGATE_INHERIT 0x08000000
#define ARCHIVE_ENTRY_ACL_ENTRY_INHERIT_ONLY 0x10000000
#define ARCHIVE_ENTRY_ACL_ENTRY_SUCCESSFUL_ACCESS 0x20000000
#define ARCHIVE_ENTRY_ACL_ENTRY_FAILED_ACCESS 0x40000000
#define ARCHIVE_ENTRY_ACL_INHERITANCE_NFS4 \
(ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT \
| ARCHIVE_ENTRY_ACL_ENTRY_DIRECTORY_INHERIT \
| ARCHIVE_ENTRY_ACL_ENTRY_NO_PROPAGATE_INHERIT \
| ARCHIVE_ENTRY_ACL_ENTRY_INHERIT_ONLY \
| ARCHIVE_ENTRY_ACL_ENTRY_SUCCESSFUL_ACCESS \
| ARCHIVE_ENTRY_ACL_ENTRY_FAILED_ACCESS \
| ARCHIVE_ENTRY_ACL_ENTRY_INHERITED)
/* We need to be able to specify combinations of these. */
#define ARCHIVE_ENTRY_ACL_TYPE_ACCESS 0x00000100 /* POSIX.1e only */
#define ARCHIVE_ENTRY_ACL_TYPE_DEFAULT 0x00000200 /* POSIX.1e only */
#define ARCHIVE_ENTRY_ACL_TYPE_ALLOW 0x00000400 /* NFS4 only */
#define ARCHIVE_ENTRY_ACL_TYPE_DENY 0x00000800 /* NFS4 only */
#define ARCHIVE_ENTRY_ACL_TYPE_AUDIT 0x00001000 /* NFS4 only */
#define ARCHIVE_ENTRY_ACL_TYPE_ALARM 0x00002000 /* NFS4 only */
#define ARCHIVE_ENTRY_ACL_TYPE_POSIX1E (ARCHIVE_ENTRY_ACL_TYPE_ACCESS \
| ARCHIVE_ENTRY_ACL_TYPE_DEFAULT)
#define ARCHIVE_ENTRY_ACL_TYPE_NFS4 (ARCHIVE_ENTRY_ACL_TYPE_ALLOW \
| ARCHIVE_ENTRY_ACL_TYPE_DENY \
| ARCHIVE_ENTRY_ACL_TYPE_AUDIT \
| ARCHIVE_ENTRY_ACL_TYPE_ALARM)
/* Tag values mimic POSIX.1e */
#define ARCHIVE_ENTRY_ACL_USER 10001 /* Specified user. */
#define ARCHIVE_ENTRY_ACL_USER_OBJ 10002 /* User who owns the file. */
#define ARCHIVE_ENTRY_ACL_GROUP 10003 /* Specified group. */
#define ARCHIVE_ENTRY_ACL_GROUP_OBJ 10004 /* Group who owns the file. */
#define ARCHIVE_ENTRY_ACL_MASK 10005 /* Modify group access (POSIX.1e only) */
#define ARCHIVE_ENTRY_ACL_OTHER 10006 /* Public (POSIX.1e only) */
#define ARCHIVE_ENTRY_ACL_EVERYONE 10107 /* Everyone (NFS4 only) */
/*
* Set the ACL by clearing it and adding entries one at a time.
* Unlike the POSIX.1e ACL routines, you must specify the type
* (access/default) for each entry. Internally, the ACL data is just
* a soup of entries. API calls here allow you to retrieve just the
* entries of interest. This design (which goes against the spirit of
* POSIX.1e) is useful for handling archive formats that combine
* default and access information in a single ACL list.
*/
__LA_DECL void archive_entry_acl_clear(struct archive_entry *);
__LA_DECL int archive_entry_acl_add_entry(struct archive_entry *,
int /* type */, int /* permset */, int /* tag */,
int /* qual */, const char * /* name */);
__LA_DECL int archive_entry_acl_add_entry_w(struct archive_entry *,
int /* type */, int /* permset */, int /* tag */,
int /* qual */, const wchar_t * /* name */);
/*
* To retrieve the ACL, first "reset", then repeatedly ask for the
* "next" entry. The want_type parameter allows you to request only
* certain types of entries.
*/
__LA_DECL int archive_entry_acl_reset(struct archive_entry *, int /* want_type */);
__LA_DECL int archive_entry_acl_next(struct archive_entry *, int /* want_type */,
int * /* type */, int * /* permset */, int * /* tag */,
int * /* qual */, const char ** /* name */);
/*
* Construct a text-format ACL. The flags argument is a bitmask that
* can include any of the following:
*
* Flags only for archive entries with POSIX.1e ACL:
* ARCHIVE_ENTRY_ACL_TYPE_ACCESS - Include POSIX.1e "access" entries.
* ARCHIVE_ENTRY_ACL_TYPE_DEFAULT - Include POSIX.1e "default" entries.
* ARCHIVE_ENTRY_ACL_STYLE_MARK_DEFAULT - Include "default:" before each
* default ACL entry.
* ARCHIVE_ENTRY_ACL_STYLE_SOLARIS - Output only one colon after "other" and
* "mask" entries.
*
* Flags only for archive entries with NFSv4 ACL:
* ARCHIVE_ENTRY_ACL_STYLE_COMPACT - Do not output the minus character for
* unset permissions and flags in NFSv4 ACL permission and flag fields
*
* Flags for for archive entries with POSIX.1e ACL or NFSv4 ACL:
* ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID - Include extra numeric ID field in
* each ACL entry.
* ARCHIVE_ENTRY_ACL_STYLE_SEPARATOR_COMMA - Separate entries with comma
* instead of newline.
*/
#define ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID 0x00000001
#define ARCHIVE_ENTRY_ACL_STYLE_MARK_DEFAULT 0x00000002
#define ARCHIVE_ENTRY_ACL_STYLE_SOLARIS 0x00000004
#define ARCHIVE_ENTRY_ACL_STYLE_SEPARATOR_COMMA 0x00000008
#define ARCHIVE_ENTRY_ACL_STYLE_COMPACT 0x00000010
__LA_DECL wchar_t *archive_entry_acl_to_text_w(struct archive_entry *,
la_ssize_t * /* len */, int /* flags */);
__LA_DECL char *archive_entry_acl_to_text(struct archive_entry *,
la_ssize_t * /* len */, int /* flags */);
__LA_DECL int archive_entry_acl_from_text_w(struct archive_entry *,
const wchar_t * /* wtext */, int /* type */);
__LA_DECL int archive_entry_acl_from_text(struct archive_entry *,
const char * /* text */, int /* type */);
/* Deprecated constants */
#define OLD_ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID 1024
#define OLD_ARCHIVE_ENTRY_ACL_STYLE_MARK_DEFAULT 2048
/* Deprecated functions */
__LA_DECL const wchar_t *archive_entry_acl_text_w(struct archive_entry *,
int /* flags */) __LA_DEPRECATED;
__LA_DECL const char *archive_entry_acl_text(struct archive_entry *,
int /* flags */) __LA_DEPRECATED;
/* Return bitmask of ACL types in an archive entry */
__LA_DECL int archive_entry_acl_types(struct archive_entry *);
/* Return a count of entries matching 'want_type' */
__LA_DECL int archive_entry_acl_count(struct archive_entry *, int /* want_type */);
/* Return an opaque ACL object. */
/* There's not yet anything clients can actually do with this... */
struct archive_acl;
__LA_DECL struct archive_acl *archive_entry_acl(struct archive_entry *);
/*
* extended attributes
*/
__LA_DECL void archive_entry_xattr_clear(struct archive_entry *);
__LA_DECL void archive_entry_xattr_add_entry(struct archive_entry *,
const char * /* name */, const void * /* value */,
size_t /* size */);
/*
* To retrieve the xattr list, first "reset", then repeatedly ask for the
* "next" entry.
*/
__LA_DECL int archive_entry_xattr_count(struct archive_entry *);
__LA_DECL int archive_entry_xattr_reset(struct archive_entry *);
__LA_DECL int archive_entry_xattr_next(struct archive_entry *,
const char ** /* name */, const void ** /* value */, size_t *);
/*
* sparse
*/
__LA_DECL void archive_entry_sparse_clear(struct archive_entry *);
__LA_DECL void archive_entry_sparse_add_entry(struct archive_entry *,
la_int64_t /* offset */, la_int64_t /* length */);
/*
* To retrieve the xattr list, first "reset", then repeatedly ask for the
* "next" entry.
*/
__LA_DECL int archive_entry_sparse_count(struct archive_entry *);
__LA_DECL int archive_entry_sparse_reset(struct archive_entry *);
__LA_DECL int archive_entry_sparse_next(struct archive_entry *,
la_int64_t * /* offset */, la_int64_t * /* length */);
/*
* Utility to match up hardlinks.
*
* The 'struct archive_entry_linkresolver' is a cache of archive entries
* for files with multiple links. Here's how to use it:
* 1. Create a lookup object with archive_entry_linkresolver_new()
* 2. Tell it the archive format you're using.
* 3. Hand each archive_entry to archive_entry_linkify().
* That function will return 0, 1, or 2 entries that should
* be written.
* 4. Call archive_entry_linkify(resolver, NULL) until
* no more entries are returned.
* 5. Call archive_entry_linkresolver_free(resolver) to free resources.
*
* The entries returned have their hardlink and size fields updated
* appropriately. If an entry is passed in that does not refer to
* a file with multiple links, it is returned unchanged. The intention
* is that you should be able to simply filter all entries through
* this machine.
*
* To make things more efficient, be sure that each entry has a valid
* nlinks value. The hardlink cache uses this to track when all links
* have been found. If the nlinks value is zero, it will keep every
* name in the cache indefinitely, which can use a lot of memory.
*
* Note that archive_entry_size() is reset to zero if the file
* body should not be written to the archive. Pay attention!
*/
struct archive_entry_linkresolver;
/*
* There are three different strategies for marking hardlinks.
* The descriptions below name them after the best-known
* formats that rely on each strategy:
*
* "Old cpio" is the simplest, it always returns any entry unmodified.
* As far as I know, only cpio formats use this. Old cpio archives
* store every link with the full body; the onus is on the dearchiver
* to detect and properly link the files as they are restored.
* "tar" is also pretty simple; it caches a copy the first time it sees
* any link. Subsequent appearances are modified to be hardlink
* references to the first one without any body. Used by all tar
* formats, although the newest tar formats permit the "old cpio" strategy
* as well. This strategy is very simple for the dearchiver,
* and reasonably straightforward for the archiver.
* "new cpio" is trickier. It stores the body only with the last
* occurrence. The complication is that we might not
* see every link to a particular file in a single session, so
* there's no easy way to know when we've seen the last occurrence.
* The solution here is to queue one link until we see the next.
* At the end of the session, you can enumerate any remaining
* entries by calling archive_entry_linkify(NULL) and store those
* bodies. If you have a file with three links l1, l2, and l3,
* you'll get the following behavior if you see all three links:
* linkify(l1) => NULL (the resolver stores l1 internally)
* linkify(l2) => l1 (resolver stores l2, you write l1)
* linkify(l3) => l2, l3 (all links seen, you can write both).
* If you only see l1 and l2, you'll get this behavior:
* linkify(l1) => NULL
* linkify(l2) => l1
* linkify(NULL) => l2 (at end, you retrieve remaining links)
* As the name suggests, this strategy is used by newer cpio variants.
* It's noticeably more complex for the archiver, slightly more complex
* for the dearchiver than the tar strategy, but makes it straightforward
* to restore a file using any link by simply continuing to scan until
* you see a link that is stored with a body. In contrast, the tar
* strategy requires you to rescan the archive from the beginning to
* correctly extract an arbitrary link.
*/
__LA_DECL struct archive_entry_linkresolver *archive_entry_linkresolver_new(void);
__LA_DECL void archive_entry_linkresolver_set_strategy(
struct archive_entry_linkresolver *, int /* format_code */);
__LA_DECL void archive_entry_linkresolver_free(struct archive_entry_linkresolver *);
__LA_DECL void archive_entry_linkify(struct archive_entry_linkresolver *,
struct archive_entry **, struct archive_entry **);
__LA_DECL struct archive_entry *archive_entry_partial_links(
struct archive_entry_linkresolver *res, unsigned int *links);
#ifdef __cplusplus
}
#endif
/* This is meaningless outside of this header. */
#undef __LA_DECL
#endif /* !ARCHIVE_ENTRY_H_INCLUDED */

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#include "archive_private.h"
#include "archive_entry.h"
#if defined(_WIN32) && !defined(__CYGWIN__)
#define EPOC_TIME ARCHIVE_LITERAL_ULL(116444736000000000)
__inline static void
fileTimeToUtc(const FILETIME *filetime, time_t *t, long *ns)
{
ULARGE_INTEGER utc;
utc.HighPart = filetime->dwHighDateTime;
utc.LowPart = filetime->dwLowDateTime;
if (utc.QuadPart >= EPOC_TIME) {
utc.QuadPart -= EPOC_TIME;
*t = (time_t)(utc.QuadPart / 10000000); /* milli seconds base */
*ns = (long)(utc.QuadPart % 10000000) * 100;/* nano seconds base */
} else {
*t = 0;
*ns = 0;
}
}
void
archive_entry_copy_bhfi(struct archive_entry *entry,
BY_HANDLE_FILE_INFORMATION *bhfi)
{
time_t secs;
long nsecs;
fileTimeToUtc(&bhfi->ftLastAccessTime, &secs, &nsecs);
archive_entry_set_atime(entry, secs, nsecs);
fileTimeToUtc(&bhfi->ftLastWriteTime, &secs, &nsecs);
archive_entry_set_mtime(entry, secs, nsecs);
fileTimeToUtc(&bhfi->ftCreationTime, &secs, &nsecs);
archive_entry_set_birthtime(entry, secs, nsecs);
archive_entry_set_ctime(entry, secs, nsecs);
archive_entry_set_dev(entry, bhfi->dwVolumeSerialNumber);
archive_entry_set_ino64(entry, (((int64_t)bhfi->nFileIndexHigh) << 32)
+ bhfi->nFileIndexLow);
archive_entry_set_nlink(entry, bhfi->nNumberOfLinks);
archive_entry_set_size(entry, (((int64_t)bhfi->nFileSizeHigh) << 32)
+ bhfi->nFileSizeLow);
/* archive_entry_set_mode(entry, st->st_mode); */
}
#endif

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: head/lib/libarchive/archive_entry_copy_stat.c 189466 2009-03-07 00:52:02Z kientzle $");
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#include "archive.h"
#include "archive_entry.h"
void
archive_entry_copy_stat(struct archive_entry *entry, const struct stat *st)
{
#if HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC
archive_entry_set_atime(entry, st->st_atime, st->st_atimespec.tv_nsec);
archive_entry_set_ctime(entry, st->st_ctime, st->st_ctimespec.tv_nsec);
archive_entry_set_mtime(entry, st->st_mtime, st->st_mtimespec.tv_nsec);
#elif HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
archive_entry_set_atime(entry, st->st_atime, st->st_atim.tv_nsec);
archive_entry_set_ctime(entry, st->st_ctime, st->st_ctim.tv_nsec);
archive_entry_set_mtime(entry, st->st_mtime, st->st_mtim.tv_nsec);
#elif HAVE_STRUCT_STAT_ST_MTIME_NSEC
archive_entry_set_atime(entry, st->st_atime, st->st_atime_nsec);
archive_entry_set_ctime(entry, st->st_ctime, st->st_ctime_nsec);
archive_entry_set_mtime(entry, st->st_mtime, st->st_mtime_nsec);
#elif HAVE_STRUCT_STAT_ST_MTIME_N
archive_entry_set_atime(entry, st->st_atime, st->st_atime_n);
archive_entry_set_ctime(entry, st->st_ctime, st->st_ctime_n);
archive_entry_set_mtime(entry, st->st_mtime, st->st_mtime_n);
#elif HAVE_STRUCT_STAT_ST_UMTIME
archive_entry_set_atime(entry, st->st_atime, st->st_uatime * 1000);
archive_entry_set_ctime(entry, st->st_ctime, st->st_uctime * 1000);
archive_entry_set_mtime(entry, st->st_mtime, st->st_umtime * 1000);
#elif HAVE_STRUCT_STAT_ST_MTIME_USEC
archive_entry_set_atime(entry, st->st_atime, st->st_atime_usec * 1000);
archive_entry_set_ctime(entry, st->st_ctime, st->st_ctime_usec * 1000);
archive_entry_set_mtime(entry, st->st_mtime, st->st_mtime_usec * 1000);
#else
archive_entry_set_atime(entry, st->st_atime, 0);
archive_entry_set_ctime(entry, st->st_ctime, 0);
archive_entry_set_mtime(entry, st->st_mtime, 0);
#endif
#if HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC
archive_entry_set_birthtime(entry, st->st_birthtime, st->st_birthtimespec.tv_nsec);
#elif HAVE_STRUCT_STAT_ST_BIRTHTIME
archive_entry_set_birthtime(entry, st->st_birthtime, 0);
#else
archive_entry_unset_birthtime(entry);
#endif
archive_entry_set_dev(entry, st->st_dev);
archive_entry_set_gid(entry, st->st_gid);
archive_entry_set_uid(entry, st->st_uid);
archive_entry_set_ino(entry, st->st_ino);
archive_entry_set_nlink(entry, st->st_nlink);
archive_entry_set_rdev(entry, st->st_rdev);
archive_entry_set_size(entry, st->st_size);
archive_entry_set_mode(entry, st->st_mode);
}

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: head/lib/libarchive/archive_entry_link_resolver.c 201100 2009-12-28 03:05:31Z kientzle $");
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "archive.h"
#include "archive_entry.h"
/*
* This is mostly a pretty straightforward hash table implementation.
* The only interesting bit is the different strategies used to
* match up links. These strategies match those used by various
* archiving formats:
* tar - content stored with first link, remainder refer back to it.
* This requires us to match each subsequent link up with the
* first appearance.
* cpio - Old cpio just stored body with each link, match-ups were
* implicit. This is trivial.
* new cpio - New cpio only stores body with last link, match-ups
* are implicit. This is actually quite tricky; see the notes
* below.
*/
/* Users pass us a format code, we translate that into a strategy here. */
#define ARCHIVE_ENTRY_LINKIFY_LIKE_TAR 0
#define ARCHIVE_ENTRY_LINKIFY_LIKE_MTREE 1
#define ARCHIVE_ENTRY_LINKIFY_LIKE_OLD_CPIO 2
#define ARCHIVE_ENTRY_LINKIFY_LIKE_NEW_CPIO 3
/* Initial size of link cache. */
#define links_cache_initial_size 1024
struct links_entry {
struct links_entry *next;
struct links_entry *previous;
struct archive_entry *canonical;
struct archive_entry *entry;
size_t hash;
unsigned int links; /* # links not yet seen */
};
struct archive_entry_linkresolver {
struct links_entry **buckets;
struct links_entry *spare;
unsigned long number_entries;
size_t number_buckets;
int strategy;
};
#define NEXT_ENTRY_DEFERRED 1
#define NEXT_ENTRY_PARTIAL 2
#define NEXT_ENTRY_ALL (NEXT_ENTRY_DEFERRED | NEXT_ENTRY_PARTIAL)
static struct links_entry *find_entry(struct archive_entry_linkresolver *,
struct archive_entry *);
static void grow_hash(struct archive_entry_linkresolver *);
static struct links_entry *insert_entry(struct archive_entry_linkresolver *,
struct archive_entry *);
static struct links_entry *next_entry(struct archive_entry_linkresolver *,
int);
struct archive_entry_linkresolver *
archive_entry_linkresolver_new(void)
{
struct archive_entry_linkresolver *res;
/* Check for positive power-of-two */
if (links_cache_initial_size == 0 ||
(links_cache_initial_size & (links_cache_initial_size - 1)) != 0)
return (NULL);
res = calloc(1, sizeof(struct archive_entry_linkresolver));
if (res == NULL)
return (NULL);
res->number_buckets = links_cache_initial_size;
res->buckets = calloc(res->number_buckets, sizeof(res->buckets[0]));
if (res->buckets == NULL) {
free(res);
return (NULL);
}
return (res);
}
void
archive_entry_linkresolver_set_strategy(struct archive_entry_linkresolver *res,
int fmt)
{
int fmtbase = fmt & ARCHIVE_FORMAT_BASE_MASK;
switch (fmtbase) {
case ARCHIVE_FORMAT_7ZIP:
case ARCHIVE_FORMAT_AR:
case ARCHIVE_FORMAT_ZIP:
res->strategy = ARCHIVE_ENTRY_LINKIFY_LIKE_OLD_CPIO;
break;
case ARCHIVE_FORMAT_CPIO:
switch (fmt) {
case ARCHIVE_FORMAT_CPIO_SVR4_NOCRC:
case ARCHIVE_FORMAT_CPIO_SVR4_CRC:
res->strategy = ARCHIVE_ENTRY_LINKIFY_LIKE_NEW_CPIO;
break;
default:
res->strategy = ARCHIVE_ENTRY_LINKIFY_LIKE_OLD_CPIO;
break;
}
break;
case ARCHIVE_FORMAT_MTREE:
res->strategy = ARCHIVE_ENTRY_LINKIFY_LIKE_MTREE;
break;
case ARCHIVE_FORMAT_ISO9660:
case ARCHIVE_FORMAT_SHAR:
case ARCHIVE_FORMAT_TAR:
case ARCHIVE_FORMAT_XAR:
res->strategy = ARCHIVE_ENTRY_LINKIFY_LIKE_TAR;
break;
default:
res->strategy = ARCHIVE_ENTRY_LINKIFY_LIKE_OLD_CPIO;
break;
}
}
void
archive_entry_linkresolver_free(struct archive_entry_linkresolver *res)
{
struct links_entry *le;
if (res == NULL)
return;
while ((le = next_entry(res, NEXT_ENTRY_ALL)) != NULL)
archive_entry_free(le->entry);
free(res->buckets);
free(res);
}
void
archive_entry_linkify(struct archive_entry_linkresolver *res,
struct archive_entry **e, struct archive_entry **f)
{
struct links_entry *le;
struct archive_entry *t;
*f = NULL; /* Default: Don't return a second entry. */
if (*e == NULL) {
le = next_entry(res, NEXT_ENTRY_DEFERRED);
if (le != NULL) {
*e = le->entry;
le->entry = NULL;
}
return;
}
/* If it has only one link, then we're done. */
if (archive_entry_nlink(*e) == 1)
return;
/* Directories, devices never have hardlinks. */
if (archive_entry_filetype(*e) == AE_IFDIR
|| archive_entry_filetype(*e) == AE_IFBLK
|| archive_entry_filetype(*e) == AE_IFCHR)
return;
switch (res->strategy) {
case ARCHIVE_ENTRY_LINKIFY_LIKE_TAR:
le = find_entry(res, *e);
if (le != NULL) {
archive_entry_unset_size(*e);
archive_entry_copy_hardlink(*e,
archive_entry_pathname(le->canonical));
} else
insert_entry(res, *e);
return;
case ARCHIVE_ENTRY_LINKIFY_LIKE_MTREE:
le = find_entry(res, *e);
if (le != NULL) {
archive_entry_copy_hardlink(*e,
archive_entry_pathname(le->canonical));
} else
insert_entry(res, *e);
return;
case ARCHIVE_ENTRY_LINKIFY_LIKE_OLD_CPIO:
/* This one is trivial. */
return;
case ARCHIVE_ENTRY_LINKIFY_LIKE_NEW_CPIO:
le = find_entry(res, *e);
if (le != NULL) {
/*
* Put the new entry in le, return the
* old entry from le.
*/
t = *e;
*e = le->entry;
le->entry = t;
/* Make the old entry into a hardlink. */
archive_entry_unset_size(*e);
archive_entry_copy_hardlink(*e,
archive_entry_pathname(le->canonical));
/* If we ran out of links, return the
* final entry as well. */
if (le->links == 0) {
*f = le->entry;
le->entry = NULL;
}
} else {
/*
* If we haven't seen it, tuck it away
* for future use.
*/
le = insert_entry(res, *e);
if (le == NULL)
/* XXX We should return an error code XXX */
return;
le->entry = *e;
*e = NULL;
}
return;
default:
break;
}
return;
}
static struct links_entry *
find_entry(struct archive_entry_linkresolver *res,
struct archive_entry *entry)
{
struct links_entry *le;
size_t hash, bucket;
dev_t dev;
int64_t ino;
/* Free a held entry. */
if (res->spare != NULL) {
archive_entry_free(res->spare->canonical);
archive_entry_free(res->spare->entry);
free(res->spare);
res->spare = NULL;
}
dev = archive_entry_dev(entry);
ino = archive_entry_ino64(entry);
hash = (size_t)(dev ^ ino);
/* Try to locate this entry in the links cache. */
bucket = hash & (res->number_buckets - 1);
for (le = res->buckets[bucket]; le != NULL; le = le->next) {
if (le->hash == hash
&& dev == archive_entry_dev(le->canonical)
&& ino == archive_entry_ino64(le->canonical)) {
/*
* Decrement link count each time and release
* the entry if it hits zero. This saves
* memory and is necessary for detecting
* missed links.
*/
--le->links;
if (le->links > 0)
return (le);
/* Remove it from this hash bucket. */
if (le->previous != NULL)
le->previous->next = le->next;
if (le->next != NULL)
le->next->previous = le->previous;
if (res->buckets[bucket] == le)
res->buckets[bucket] = le->next;
res->number_entries--;
/* Defer freeing this entry. */
res->spare = le;
return (le);
}
}
return (NULL);
}
static struct links_entry *
next_entry(struct archive_entry_linkresolver *res, int mode)
{
struct links_entry *le;
size_t bucket;
/* Free a held entry. */
if (res->spare != NULL) {
archive_entry_free(res->spare->canonical);
archive_entry_free(res->spare->entry);
free(res->spare);
res->spare = NULL;
}
/* Look for next non-empty bucket in the links cache. */
for (bucket = 0; bucket < res->number_buckets; bucket++) {
for (le = res->buckets[bucket]; le != NULL; le = le->next) {
if (le->entry != NULL &&
(mode & NEXT_ENTRY_DEFERRED) == 0)
continue;
if (le->entry == NULL &&
(mode & NEXT_ENTRY_PARTIAL) == 0)
continue;
/* Remove it from this hash bucket. */
if (le->next != NULL)
le->next->previous = le->previous;
if (le->previous != NULL)
le->previous->next = le->next;
else
res->buckets[bucket] = le->next;
res->number_entries--;
/* Defer freeing this entry. */
res->spare = le;
return (le);
}
}
return (NULL);
}
static struct links_entry *
insert_entry(struct archive_entry_linkresolver *res,
struct archive_entry *entry)
{
struct links_entry *le;
size_t hash, bucket;
/* Add this entry to the links cache. */
le = calloc(1, sizeof(struct links_entry));
if (le == NULL)
return (NULL);
le->canonical = archive_entry_clone(entry);
/* If the links cache is getting too full, enlarge the hash table. */
if (res->number_entries > res->number_buckets * 2)
grow_hash(res);
hash = (size_t)(archive_entry_dev(entry) ^ archive_entry_ino64(entry));
bucket = hash & (res->number_buckets - 1);
/* If we could allocate the entry, record it. */
if (res->buckets[bucket] != NULL)
res->buckets[bucket]->previous = le;
res->number_entries++;
le->next = res->buckets[bucket];
le->previous = NULL;
res->buckets[bucket] = le;
le->hash = hash;
le->links = archive_entry_nlink(entry) - 1;
return (le);
}
static void
grow_hash(struct archive_entry_linkresolver *res)
{
struct links_entry *le, **new_buckets;
size_t new_size;
size_t i, bucket;
/* Try to enlarge the bucket list. */
new_size = res->number_buckets * 2;
if (new_size < res->number_buckets)
return;
new_buckets = calloc(new_size, sizeof(struct links_entry *));
if (new_buckets == NULL)
return;
for (i = 0; i < res->number_buckets; i++) {
while (res->buckets[i] != NULL) {
/* Remove entry from old bucket. */
le = res->buckets[i];
res->buckets[i] = le->next;
/* Add entry to new bucket. */
bucket = le->hash & (new_size - 1);
if (new_buckets[bucket] != NULL)
new_buckets[bucket]->previous = le;
le->next = new_buckets[bucket];
le->previous = NULL;
new_buckets[bucket] = le;
}
}
free(res->buckets);
res->buckets = new_buckets;
res->number_buckets = new_size;
}
struct archive_entry *
archive_entry_partial_links(struct archive_entry_linkresolver *res,
unsigned int *links)
{
struct archive_entry *e;
struct links_entry *le;
/* Free a held entry. */
if (res->spare != NULL) {
archive_entry_free(res->spare->canonical);
archive_entry_free(res->spare->entry);
free(res->spare);
res->spare = NULL;
}
le = next_entry(res, NEXT_ENTRY_PARTIAL);
if (le != NULL) {
e = le->canonical;
if (links != NULL)
*links = le->links;
le->canonical = NULL;
} else {
e = NULL;
if (links != NULL)
*links = 0;
}
return (e);
}

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/*-
* Copyright (c) 2011 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef ARCHIVE_ENTRY_LOCALE_H_INCLUDED
#define ARCHIVE_ENTRY_LOCALE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
struct archive_entry;
struct archive_string_conv;
/*
* Utility functions to set and get entry attributes by translating
* character-set. These are designed for use in format readers and writers.
*
* The return code and interface of these are quite different from other
* functions for archive_entry defined in archive_entry.h.
* Common return code are:
* Return 0 if the string conversion succeeded.
* Return -1 if the string conversion failed.
*/
#define archive_entry_gname_l _archive_entry_gname_l
int _archive_entry_gname_l(struct archive_entry *,
const char **, size_t *, struct archive_string_conv *);
#define archive_entry_hardlink_l _archive_entry_hardlink_l
int _archive_entry_hardlink_l(struct archive_entry *,
const char **, size_t *, struct archive_string_conv *);
#define archive_entry_pathname_l _archive_entry_pathname_l
int _archive_entry_pathname_l(struct archive_entry *,
const char **, size_t *, struct archive_string_conv *);
#define archive_entry_symlink_l _archive_entry_symlink_l
int _archive_entry_symlink_l(struct archive_entry *,
const char **, size_t *, struct archive_string_conv *);
#define archive_entry_uname_l _archive_entry_uname_l
int _archive_entry_uname_l(struct archive_entry *,
const char **, size_t *, struct archive_string_conv *);
#define archive_entry_acl_text_l _archive_entry_acl_text_l
int _archive_entry_acl_text_l(struct archive_entry *, int,
const char **, size_t *, struct archive_string_conv *) __LA_DEPRECATED;
#define archive_entry_acl_to_text_l _archive_entry_acl_to_text_l
char *_archive_entry_acl_to_text_l(struct archive_entry *, ssize_t *, int,
struct archive_string_conv *);
#define archive_entry_acl_from_text_l _archive_entry_acl_from_text_l
int _archive_entry_acl_from_text_l(struct archive_entry *, const char* text,
int type, struct archive_string_conv *);
#define archive_entry_copy_gname_l _archive_entry_copy_gname_l
int _archive_entry_copy_gname_l(struct archive_entry *,
const char *, size_t, struct archive_string_conv *);
#define archive_entry_copy_hardlink_l _archive_entry_copy_hardlink_l
int _archive_entry_copy_hardlink_l(struct archive_entry *,
const char *, size_t, struct archive_string_conv *);
#define archive_entry_copy_link_l _archive_entry_copy_link_l
int _archive_entry_copy_link_l(struct archive_entry *,
const char *, size_t, struct archive_string_conv *);
#define archive_entry_copy_pathname_l _archive_entry_copy_pathname_l
int _archive_entry_copy_pathname_l(struct archive_entry *,
const char *, size_t, struct archive_string_conv *);
#define archive_entry_copy_symlink_l _archive_entry_copy_symlink_l
int _archive_entry_copy_symlink_l(struct archive_entry *,
const char *, size_t, struct archive_string_conv *);
#define archive_entry_copy_uname_l _archive_entry_copy_uname_l
int _archive_entry_copy_uname_l(struct archive_entry *,
const char *, size_t, struct archive_string_conv *);
#endif /* ARCHIVE_ENTRY_LOCALE_H_INCLUDED */

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: head/lib/libarchive/archive_entry_private.h 201096 2009-12-28 02:41:27Z kientzle $
*/
#ifndef ARCHIVE_ENTRY_PRIVATE_H_INCLUDED
#define ARCHIVE_ENTRY_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
#include "archive_acl_private.h"
#include "archive_string.h"
struct ae_xattr {
struct ae_xattr *next;
char *name;
void *value;
size_t size;
};
struct ae_sparse {
struct ae_sparse *next;
int64_t offset;
int64_t length;
};
/*
* Description of an archive entry.
*
* Basically, this is a "struct stat" with a few text fields added in.
*
* TODO: Add "comment", "charset", and possibly other entries
* that are supported by "pax interchange" format. However, GNU, ustar,
* cpio, and other variants don't support these features, so they're not an
* excruciatingly high priority right now.
*
* TODO: "pax interchange" format allows essentially arbitrary
* key/value attributes to be attached to any entry. Supporting
* such extensions may make this library useful for special
* applications (e.g., a package manager could attach special
* package-management attributes to each entry). There are tricky
* API issues involved, so this is not going to happen until
* there's a real demand for it.
*
* TODO: Design a good API for handling sparse files.
*/
struct archive_entry {
struct archive *archive;
/*
* Note that ae_stat.st_mode & AE_IFMT can be 0!
*
* This occurs when the actual file type of the object is not
* in the archive. For example, 'tar' archives store
* hardlinks without marking the type of the underlying
* object.
*/
/*
* We have a "struct aest" for holding file metadata rather than just
* a "struct stat" because on some platforms the "struct stat" has
* fields which are too narrow to hold the range of possible values;
* we don't want to lose information if we read an archive and write
* out another (e.g., in "tar -cf new.tar @old.tar").
*
* The "stat" pointer points to some form of platform-specific struct
* stat; it is declared as a void * rather than a struct stat * as
* some platforms have multiple varieties of stat structures.
*/
void *stat;
int stat_valid; /* Set to 0 whenever a field in aest changes. */
struct aest {
int64_t aest_atime;
uint32_t aest_atime_nsec;
int64_t aest_ctime;
uint32_t aest_ctime_nsec;
int64_t aest_mtime;
uint32_t aest_mtime_nsec;
int64_t aest_birthtime;
uint32_t aest_birthtime_nsec;
int64_t aest_gid;
int64_t aest_ino;
uint32_t aest_nlink;
uint64_t aest_size;
int64_t aest_uid;
/*
* Because converting between device codes and
* major/minor values is platform-specific and
* inherently a bit risky, we only do that conversion
* lazily. That way, we will do a better job of
* preserving information in those cases where no
* conversion is actually required.
*/
int aest_dev_is_broken_down;
dev_t aest_dev;
dev_t aest_devmajor;
dev_t aest_devminor;
int aest_rdev_is_broken_down;
dev_t aest_rdev;
dev_t aest_rdevmajor;
dev_t aest_rdevminor;
} ae_stat;
int ae_set; /* bitmap of fields that are currently set */
#define AE_SET_HARDLINK 1
#define AE_SET_SYMLINK 2
#define AE_SET_ATIME 4
#define AE_SET_CTIME 8
#define AE_SET_MTIME 16
#define AE_SET_BIRTHTIME 32
#define AE_SET_SIZE 64
#define AE_SET_INO 128
#define AE_SET_DEV 256
/*
* Use aes here so that we get transparent mbs<->wcs conversions.
*/
struct archive_mstring ae_fflags_text; /* Text fflags per fflagstostr(3) */
unsigned long ae_fflags_set; /* Bitmap fflags */
unsigned long ae_fflags_clear;
struct archive_mstring ae_gname; /* Name of owning group */
struct archive_mstring ae_hardlink; /* Name of target for hardlink */
struct archive_mstring ae_pathname; /* Name of entry */
struct archive_mstring ae_symlink; /* symlink contents */
struct archive_mstring ae_uname; /* Name of owner */
/* Not used within libarchive; useful for some clients. */
struct archive_mstring ae_sourcepath; /* Path this entry is sourced from. */
#define AE_ENCRYPTION_NONE 0
#define AE_ENCRYPTION_DATA 1
#define AE_ENCRYPTION_METADATA 2
char encryption;
void *mac_metadata;
size_t mac_metadata_size;
/* ACL support. */
struct archive_acl acl;
/* extattr support. */
struct ae_xattr *xattr_head;
struct ae_xattr *xattr_p;
/* sparse support. */
struct ae_sparse *sparse_head;
struct ae_sparse *sparse_tail;
struct ae_sparse *sparse_p;
/* Miscellaneous. */
char strmode[12];
/* Symlink type support */
int ae_symlink_type;
};
#endif /* ARCHIVE_ENTRY_PRIVATE_H_INCLUDED */

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* Copyright (c) 2010-2011 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#include "archive.h"
#include "archive_entry.h"
#include "archive_private.h"
#include "archive_entry_private.h"
/*
* sparse handling
*/
void
archive_entry_sparse_clear(struct archive_entry *entry)
{
struct ae_sparse *sp;
while (entry->sparse_head != NULL) {
sp = entry->sparse_head->next;
free(entry->sparse_head);
entry->sparse_head = sp;
}
entry->sparse_tail = NULL;
}
void
archive_entry_sparse_add_entry(struct archive_entry *entry,
la_int64_t offset, la_int64_t length)
{
struct ae_sparse *sp;
if (offset < 0 || length < 0)
/* Invalid value */
return;
if (offset > INT64_MAX - length ||
offset + length > archive_entry_size(entry))
/* A value of "length" parameter is too large. */
return;
if ((sp = entry->sparse_tail) != NULL) {
if (sp->offset + sp->length > offset)
/* Invalid value. */
return;
if (sp->offset + sp->length == offset) {
if (sp->offset + sp->length + length < 0)
/* A value of "length" parameter is
* too large. */
return;
/* Expand existing sparse block size. */
sp->length += length;
return;
}
}
if ((sp = (struct ae_sparse *)malloc(sizeof(*sp))) == NULL)
/* XXX Error XXX */
return;
sp->offset = offset;
sp->length = length;
sp->next = NULL;
if (entry->sparse_head == NULL)
entry->sparse_head = entry->sparse_tail = sp;
else {
/* Add a new sparse block to the tail of list. */
if (entry->sparse_tail != NULL)
entry->sparse_tail->next = sp;
entry->sparse_tail = sp;
}
}
/*
* returns number of the sparse entries
*/
int
archive_entry_sparse_count(struct archive_entry *entry)
{
struct ae_sparse *sp;
int count = 0;
for (sp = entry->sparse_head; sp != NULL; sp = sp->next)
count++;
/*
* Sanity check if this entry is exactly sparse.
* If amount of sparse blocks is just one and it indicates the whole
* file data, we should remove it and return zero.
*/
if (count == 1) {
sp = entry->sparse_head;
if (sp->offset == 0 &&
sp->length >= archive_entry_size(entry)) {
count = 0;
archive_entry_sparse_clear(entry);
}
}
return (count);
}
int
archive_entry_sparse_reset(struct archive_entry * entry)
{
entry->sparse_p = entry->sparse_head;
return archive_entry_sparse_count(entry);
}
int
archive_entry_sparse_next(struct archive_entry * entry,
la_int64_t *offset, la_int64_t *length)
{
if (entry->sparse_p) {
*offset = entry->sparse_p->offset;
*length = entry->sparse_p->length;
entry->sparse_p = entry->sparse_p->next;
return (ARCHIVE_OK);
} else {
*offset = 0;
*length = 0;
return (ARCHIVE_WARN);
}
}
/*
* end of sparse handling
*/

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: head/lib/libarchive/archive_entry_stat.c 201100 2009-12-28 03:05:31Z kientzle $");
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include "archive_entry.h"
#include "archive_entry_private.h"
const struct stat *
archive_entry_stat(struct archive_entry *entry)
{
struct stat *st;
if (entry->stat == NULL) {
entry->stat = calloc(1, sizeof(*st));
if (entry->stat == NULL)
return (NULL);
entry->stat_valid = 0;
}
/*
* If none of the underlying fields have been changed, we
* don't need to regenerate. In theory, we could use a bitmap
* here to flag only those items that have changed, but the
* extra complexity probably isn't worth it. It will be very
* rare for anyone to change just one field then request a new
* stat structure.
*/
if (entry->stat_valid)
return (entry->stat);
st = entry->stat;
/*
* Use the public interfaces to extract items, so that
* the appropriate conversions get invoked.
*/
st->st_atime = archive_entry_atime(entry);
#if HAVE_STRUCT_STAT_ST_BIRTHTIME
st->st_birthtime = archive_entry_birthtime(entry);
#endif
st->st_ctime = archive_entry_ctime(entry);
st->st_mtime = archive_entry_mtime(entry);
st->st_dev = archive_entry_dev(entry);
st->st_gid = (gid_t)archive_entry_gid(entry);
st->st_uid = (uid_t)archive_entry_uid(entry);
st->st_ino = (ino_t)archive_entry_ino64(entry);
st->st_nlink = archive_entry_nlink(entry);
st->st_rdev = archive_entry_rdev(entry);
st->st_size = (off_t)archive_entry_size(entry);
st->st_mode = archive_entry_mode(entry);
/*
* On systems that support high-res timestamps, copy that
* information into struct stat.
*/
#if HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC
st->st_atimespec.tv_nsec = archive_entry_atime_nsec(entry);
st->st_ctimespec.tv_nsec = archive_entry_ctime_nsec(entry);
st->st_mtimespec.tv_nsec = archive_entry_mtime_nsec(entry);
#elif HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
st->st_atim.tv_nsec = archive_entry_atime_nsec(entry);
st->st_ctim.tv_nsec = archive_entry_ctime_nsec(entry);
st->st_mtim.tv_nsec = archive_entry_mtime_nsec(entry);
#elif HAVE_STRUCT_STAT_ST_MTIME_N
st->st_atime_n = archive_entry_atime_nsec(entry);
st->st_ctime_n = archive_entry_ctime_nsec(entry);
st->st_mtime_n = archive_entry_mtime_nsec(entry);
#elif HAVE_STRUCT_STAT_ST_UMTIME
st->st_uatime = archive_entry_atime_nsec(entry) / 1000;
st->st_uctime = archive_entry_ctime_nsec(entry) / 1000;
st->st_umtime = archive_entry_mtime_nsec(entry) / 1000;
#elif HAVE_STRUCT_STAT_ST_MTIME_USEC
st->st_atime_usec = archive_entry_atime_nsec(entry) / 1000;
st->st_ctime_usec = archive_entry_ctime_nsec(entry) / 1000;
st->st_mtime_usec = archive_entry_mtime_nsec(entry) / 1000;
#endif
#if HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC
st->st_birthtimespec.tv_nsec = archive_entry_birthtime_nsec(entry);
#endif
/*
* TODO: On Linux, store 32 or 64 here depending on whether
* the cached stat structure is a stat32 or a stat64. This
* will allow us to support both variants interchangeably.
*/
entry->stat_valid = 1;
return (st);
}

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: src/lib/libarchive/archive_entry_strmode.c,v 1.4 2008/06/15 05:14:01 kientzle Exp $");
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "archive_entry.h"
#include "archive_entry_private.h"
const char *
archive_entry_strmode(struct archive_entry *entry)
{
static const mode_t permbits[] =
{ 0400, 0200, 0100, 0040, 0020, 0010, 0004, 0002, 0001 };
char *bp = entry->strmode;
mode_t mode;
int i;
/* Fill in a default string, then selectively override. */
strcpy(bp, "?rwxrwxrwx ");
mode = archive_entry_mode(entry);
switch (archive_entry_filetype(entry)) {
case AE_IFREG: bp[0] = '-'; break;
case AE_IFBLK: bp[0] = 'b'; break;
case AE_IFCHR: bp[0] = 'c'; break;
case AE_IFDIR: bp[0] = 'd'; break;
case AE_IFLNK: bp[0] = 'l'; break;
case AE_IFSOCK: bp[0] = 's'; break;
case AE_IFIFO: bp[0] = 'p'; break;
default:
if (archive_entry_hardlink(entry) != NULL) {
bp[0] = 'h';
break;
}
}
for (i = 0; i < 9; i++)
if (!(mode & permbits[i]))
bp[i+1] = '-';
if (mode & S_ISUID) {
if (mode & 0100) bp[3] = 's';
else bp[3] = 'S';
}
if (mode & S_ISGID) {
if (mode & 0010) bp[6] = 's';
else bp[6] = 'S';
}
if (mode & S_ISVTX) {
if (mode & 0001) bp[9] = 't';
else bp[9] = 'T';
}
if (archive_entry_acl_types(entry) != 0)
bp[10] = '+';
return (bp);
}

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: head/lib/libarchive/archive_entry_xattr.c 201096 2009-12-28 02:41:27Z kientzle $");
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_LINUX_FS_H
#include <linux/fs.h> /* for Linux file flags */
#endif
/*
* Some Linux distributions have both linux/ext2_fs.h and ext2fs/ext2_fs.h.
* As the include guards don't agree, the order of include is important.
*/
#ifdef HAVE_LINUX_EXT2_FS_H
#include <linux/ext2_fs.h> /* for Linux file flags */
#endif
#if defined(HAVE_EXT2FS_EXT2_FS_H) && !defined(__CYGWIN__)
#include <ext2fs/ext2_fs.h> /* for Linux file flags */
#endif
#include <stddef.h>
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_WCHAR_H
#include <wchar.h>
#endif
#include "archive.h"
#include "archive_entry.h"
#include "archive_private.h"
#include "archive_entry_private.h"
/*
* extended attribute handling
*/
void
archive_entry_xattr_clear(struct archive_entry *entry)
{
struct ae_xattr *xp;
while (entry->xattr_head != NULL) {
xp = entry->xattr_head->next;
free(entry->xattr_head->name);
free(entry->xattr_head->value);
free(entry->xattr_head);
entry->xattr_head = xp;
}
entry->xattr_head = NULL;
}
void
archive_entry_xattr_add_entry(struct archive_entry *entry,
const char *name, const void *value, size_t size)
{
struct ae_xattr *xp;
if ((xp = (struct ae_xattr *)malloc(sizeof(struct ae_xattr))) == NULL)
__archive_errx(1, "Out of memory");
if ((xp->name = strdup(name)) == NULL)
__archive_errx(1, "Out of memory");
if ((xp->value = malloc(size)) != NULL) {
memcpy(xp->value, value, size);
xp->size = size;
} else
xp->size = 0;
xp->next = entry->xattr_head;
entry->xattr_head = xp;
}
/*
* returns number of the extended attribute entries
*/
int
archive_entry_xattr_count(struct archive_entry *entry)
{
struct ae_xattr *xp;
int count = 0;
for (xp = entry->xattr_head; xp != NULL; xp = xp->next)
count++;
return count;
}
int
archive_entry_xattr_reset(struct archive_entry * entry)
{
entry->xattr_p = entry->xattr_head;
return archive_entry_xattr_count(entry);
}
int
archive_entry_xattr_next(struct archive_entry * entry,
const char **name, const void **value, size_t *size)
{
if (entry->xattr_p) {
*name = entry->xattr_p->name;
*value = entry->xattr_p->value;
*size = entry->xattr_p->size;
entry->xattr_p = entry->xattr_p->next;
return (ARCHIVE_OK);
} else {
*name = NULL;
*value = NULL;
*size = (size_t)0;
return (ARCHIVE_WARN);
}
}
/*
* end of xattr handling
*/

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/*-
* Copyright (c) 2003-2015 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef ARCHIVE_GETDATE_H_INCLUDED
#define ARCHIVE_GETDATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
#include <time.h>
time_t __archive_get_date(time_t now, const char *);
#endif

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/*-
* Copyright (c) 2014 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "archive.h"
#include "archive_hmac_private.h"
/*
* On systems that do not support any recognized crypto libraries,
* the archive_hmac.c file is expected to define no usable symbols.
*
* But some compilers and linkers choke on empty object files, so
* define a public symbol that will always exist. This could
* be removed someday if this file gains another always-present
* symbol definition.
*/
int __libarchive_hmac_build_hack(void) {
return 0;
}
#ifdef ARCHIVE_HMAC_USE_Apple_CommonCrypto
static int
__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len)
{
CCHmacInit(ctx, kCCHmacAlgSHA1, key, key_len);
return 0;
}
static void
__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data,
size_t data_len)
{
CCHmacUpdate(ctx, data, data_len);
}
static void
__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len)
{
CCHmacFinal(ctx, out);
*out_len = 20;
}
static void
__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx)
{
memset(ctx, 0, sizeof(*ctx));
}
#elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H)
#ifndef BCRYPT_HASH_REUSABLE_FLAG
# define BCRYPT_HASH_REUSABLE_FLAG 0x00000020
#endif
static int
__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len)
{
#ifdef __GNUC__
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif
BCRYPT_ALG_HANDLE hAlg;
BCRYPT_HASH_HANDLE hHash;
DWORD hash_len;
PBYTE hash;
ULONG result;
NTSTATUS status;
ctx->hAlg = NULL;
status = BCryptOpenAlgorithmProvider(&hAlg, BCRYPT_SHA1_ALGORITHM,
MS_PRIMITIVE_PROVIDER, BCRYPT_ALG_HANDLE_HMAC_FLAG);
if (!BCRYPT_SUCCESS(status))
return -1;
status = BCryptGetProperty(hAlg, BCRYPT_HASH_LENGTH, (PUCHAR)&hash_len,
sizeof(hash_len), &result, 0);
if (!BCRYPT_SUCCESS(status)) {
BCryptCloseAlgorithmProvider(hAlg, 0);
return -1;
}
hash = (PBYTE)HeapAlloc(GetProcessHeap(), 0, hash_len);
if (hash == NULL) {
BCryptCloseAlgorithmProvider(hAlg, 0);
return -1;
}
status = BCryptCreateHash(hAlg, &hHash, NULL, 0,
(PUCHAR)key, (ULONG)key_len, BCRYPT_HASH_REUSABLE_FLAG);
if (!BCRYPT_SUCCESS(status)) {
BCryptCloseAlgorithmProvider(hAlg, 0);
HeapFree(GetProcessHeap(), 0, hash);
return -1;
}
ctx->hAlg = hAlg;
ctx->hHash = hHash;
ctx->hash_len = hash_len;
ctx->hash = hash;
return 0;
}
static void
__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data,
size_t data_len)
{
BCryptHashData(ctx->hHash, (PUCHAR)(uintptr_t)data, (ULONG)data_len, 0);
}
static void
__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len)
{
BCryptFinishHash(ctx->hHash, ctx->hash, ctx->hash_len, 0);
if (ctx->hash_len == *out_len)
memcpy(out, ctx->hash, *out_len);
}
static void
__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx)
{
if (ctx->hAlg != NULL) {
BCryptCloseAlgorithmProvider(ctx->hAlg, 0);
HeapFree(GetProcessHeap(), 0, ctx->hash);
ctx->hAlg = NULL;
}
}
#elif defined(HAVE_LIBMBEDCRYPTO) && defined(HAVE_MBEDTLS_MD_H)
static int
__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len)
{
const mbedtls_md_info_t *info;
int ret;
mbedtls_md_init(ctx);
info = mbedtls_md_info_from_type(MBEDTLS_MD_SHA1);
if (info == NULL) {
mbedtls_md_free(ctx);
return (-1);
}
ret = mbedtls_md_setup(ctx, info, 1);
if (ret != 0) {
mbedtls_md_free(ctx);
return (-1);
}
ret = mbedtls_md_hmac_starts(ctx, key, key_len);
if (ret != 0) {
mbedtls_md_free(ctx);
return (-1);
}
return 0;
}
static void
__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data,
size_t data_len)
{
mbedtls_md_hmac_update(ctx, data, data_len);
}
static void __hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len)
{
(void)out_len; /* UNUSED */
mbedtls_md_hmac_finish(ctx, out);
}
static void __hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx)
{
mbedtls_md_free(ctx);
memset(ctx, 0, sizeof(*ctx));
}
#elif defined(HAVE_LIBNETTLE) && defined(HAVE_NETTLE_HMAC_H)
static int
__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len)
{
hmac_sha1_set_key(ctx, key_len, key);
return 0;
}
static void
__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data,
size_t data_len)
{
hmac_sha1_update(ctx, data_len, data);
}
static void
__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len)
{
hmac_sha1_digest(ctx, (unsigned)*out_len, out);
}
static void
__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx)
{
memset(ctx, 0, sizeof(*ctx));
}
#elif defined(HAVE_LIBCRYPTO)
static int
__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len)
{
*ctx = HMAC_CTX_new();
if (*ctx == NULL)
return -1;
HMAC_Init_ex(*ctx, key, key_len, EVP_sha1(), NULL);
return 0;
}
static void
__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data,
size_t data_len)
{
HMAC_Update(*ctx, data, data_len);
}
static void
__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len)
{
unsigned int len = (unsigned int)*out_len;
HMAC_Final(*ctx, out, &len);
*out_len = len;
}
static void
__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx)
{
HMAC_CTX_free(*ctx);
*ctx = NULL;
}
#else
/* Stub */
static int
__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len)
{
(void)ctx;/* UNUSED */
(void)key;/* UNUSED */
(void)key_len;/* UNUSED */
return -1;
}
static void
__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data,
size_t data_len)
{
(void)ctx;/* UNUSED */
(void)data;/* UNUSED */
(void)data_len;/* UNUSED */
}
static void
__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len)
{
(void)ctx;/* UNUSED */
(void)out;/* UNUSED */
(void)out_len;/* UNUSED */
}
static void
__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx)
{
(void)ctx;/* UNUSED */
}
#endif
const struct archive_hmac __archive_hmac = {
&__hmac_sha1_init,
&__hmac_sha1_update,
&__hmac_sha1_final,
&__hmac_sha1_cleanup,
};

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/*-
* Copyright (c) 2014 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ARCHIVE_HMAC_PRIVATE_H_INCLUDED
#define ARCHIVE_HMAC_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
/*
* On systems that do not support any recognized crypto libraries,
* the archive_hmac.c file is expected to define no usable symbols.
*
* But some compilers and linkers choke on empty object files, so
* define a public symbol that will always exist. This could
* be removed someday if this file gains another always-present
* symbol definition.
*/
int __libarchive_hmac_build_hack(void);
#ifdef __APPLE__
# include <AvailabilityMacros.h>
# if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
# define ARCHIVE_HMAC_USE_Apple_CommonCrypto
# endif
#endif
#ifdef ARCHIVE_HMAC_USE_Apple_CommonCrypto
#include <CommonCrypto/CommonHMAC.h>
typedef CCHmacContext archive_hmac_sha1_ctx;
#elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H)
#include <bcrypt.h>
typedef struct {
BCRYPT_ALG_HANDLE hAlg;
BCRYPT_HASH_HANDLE hHash;
DWORD hash_len;
PBYTE hash;
} archive_hmac_sha1_ctx;
#elif defined(HAVE_LIBMBEDCRYPTO) && defined(HAVE_MBEDTLS_MD_H)
#include <mbedtls/md.h>
typedef mbedtls_md_context_t archive_hmac_sha1_ctx;
#elif defined(HAVE_LIBNETTLE) && defined(HAVE_NETTLE_HMAC_H)
#include <nettle/hmac.h>
typedef struct hmac_sha1_ctx archive_hmac_sha1_ctx;
#elif defined(HAVE_LIBCRYPTO)
#include "archive_openssl_hmac_private.h"
typedef HMAC_CTX* archive_hmac_sha1_ctx;
#else
typedef int archive_hmac_sha1_ctx;
#endif
/* HMAC */
#define archive_hmac_sha1_init(ctx, key, key_len)\
__archive_hmac.__hmac_sha1_init(ctx, key, key_len)
#define archive_hmac_sha1_update(ctx, data, data_len)\
__archive_hmac.__hmac_sha1_update(ctx, data, data_len)
#define archive_hmac_sha1_final(ctx, out, out_len)\
__archive_hmac.__hmac_sha1_final(ctx, out, out_len)
#define archive_hmac_sha1_cleanup(ctx)\
__archive_hmac.__hmac_sha1_cleanup(ctx)
struct archive_hmac {
/* HMAC */
int (*__hmac_sha1_init)(archive_hmac_sha1_ctx *, const uint8_t *,
size_t);
void (*__hmac_sha1_update)(archive_hmac_sha1_ctx *, const uint8_t *,
size_t);
void (*__hmac_sha1_final)(archive_hmac_sha1_ctx *, uint8_t *, size_t *);
void (*__hmac_sha1_cleanup)(archive_hmac_sha1_ctx *);
};
extern const struct archive_hmac __archive_hmac;
#endif /* ARCHIVE_HMAC_PRIVATE_H_INCLUDED */

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ARCHIVE_OPENSSL_EVP_PRIVATE_H_INCLUDED
#define ARCHIVE_OPENSSL_EVP_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
#include <openssl/evp.h>
#include <openssl/opensslv.h>
#if OPENSSL_VERSION_NUMBER < 0x10100000L
#include <stdlib.h> /* malloc, free */
#include <string.h> /* memset */
static inline EVP_MD_CTX *EVP_MD_CTX_new(void)
{
EVP_MD_CTX *ctx = (EVP_MD_CTX *)calloc(1, sizeof(EVP_MD_CTX));
return ctx;
}
static inline void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
{
EVP_MD_CTX_cleanup(ctx);
memset(ctx, 0, sizeof(*ctx));
free(ctx);
}
#endif
#endif

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ARCHIVE_OPENSSL_HMAC_PRIVATE_H_INCLUDED
#define ARCHIVE_OPENSSL_HMAC_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
#include <openssl/hmac.h>
#include <openssl/opensslv.h>
#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
#include <stdlib.h> /* malloc, free */
#include <string.h> /* memset */
static inline HMAC_CTX *HMAC_CTX_new(void)
{
HMAC_CTX *ctx = (HMAC_CTX *)calloc(1, sizeof(HMAC_CTX));
return ctx;
}
static inline void HMAC_CTX_free(HMAC_CTX *ctx)
{
HMAC_CTX_cleanup(ctx);
memset(ctx, 0, sizeof(*ctx));
free(ctx);
}
#endif
#endif

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/*-
* Copyright (c) 2011 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include "archive_options_private.h"
static const char *
parse_option(const char **str,
const char **mod, const char **opt, const char **val);
int
_archive_set_option(struct archive *a,
const char *m, const char *o, const char *v,
int magic, const char *fn, option_handler use_option)
{
const char *mp, *op, *vp;
int r;
archive_check_magic(a, magic, ARCHIVE_STATE_NEW, fn);
mp = (m != NULL && m[0] != '\0') ? m : NULL;
op = (o != NULL && o[0] != '\0') ? o : NULL;
vp = (v != NULL && v[0] != '\0') ? v : NULL;
if (op == NULL && vp == NULL)
return (ARCHIVE_OK);
if (op == NULL) {
archive_set_error(a, ARCHIVE_ERRNO_MISC, "Empty option");
return (ARCHIVE_FAILED);
}
r = use_option(a, mp, op, vp);
if (r == ARCHIVE_WARN - 1) {
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unknown module name: `%s'", mp);
return (ARCHIVE_FAILED);
}
if (r == ARCHIVE_WARN) {
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Undefined option: `%s%s%s%s%s%s'",
vp?"":"!", mp?mp:"", mp?":":"", op, vp?"=":"", vp?vp:"");
return (ARCHIVE_FAILED);
}
return (r);
}
int
_archive_set_either_option(struct archive *a, const char *m, const char *o, const char *v,
option_handler use_format_option, option_handler use_filter_option)
{
int r1, r2;
if (o == NULL && v == NULL)
return (ARCHIVE_OK);
if (o == NULL)
return (ARCHIVE_FAILED);
r1 = use_format_option(a, m, o, v);
if (r1 == ARCHIVE_FATAL)
return (ARCHIVE_FATAL);
r2 = use_filter_option(a, m, o, v);
if (r2 == ARCHIVE_FATAL)
return (ARCHIVE_FATAL);
if (r2 == ARCHIVE_WARN - 1)
return r1;
return r1 > r2 ? r1 : r2;
}
int
_archive_set_options(struct archive *a, const char *options,
int magic, const char *fn, option_handler use_option)
{
int allok = 1, anyok = 0, ignore_mod_err = 0, r;
char *data;
const char *s, *mod, *opt, *val;
archive_check_magic(a, magic, ARCHIVE_STATE_NEW, fn);
if (options == NULL || options[0] == '\0')
return ARCHIVE_OK;
if ((data = strdup(options)) == NULL) {
archive_set_error(a,
ENOMEM, "Out of memory adding file to list");
return (ARCHIVE_FATAL);
}
s = (const char *)data;
do {
mod = opt = val = NULL;
parse_option(&s, &mod, &opt, &val);
if (mod == NULL && opt != NULL &&
strcmp("__ignore_wrong_module_name__", opt) == 0) {
/* Ignore module name error */
if (val != NULL) {
ignore_mod_err = 1;
anyok = 1;
}
continue;
}
r = use_option(a, mod, opt, val);
if (r == ARCHIVE_FATAL) {
free(data);
return (ARCHIVE_FATAL);
}
if (r == ARCHIVE_FAILED && mod != NULL) {
free(data);
return (ARCHIVE_FAILED);
}
if (r == ARCHIVE_WARN - 1) {
if (ignore_mod_err)
continue;
/* The module name is wrong. */
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unknown module name: `%s'", mod);
free(data);
return (ARCHIVE_FAILED);
}
if (r == ARCHIVE_WARN) {
/* The option name is wrong. No-one used this. */
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Undefined option: `%s%s%s'",
mod?mod:"", mod?":":"", opt);
free(data);
return (ARCHIVE_FAILED);
}
if (r == ARCHIVE_OK)
anyok = 1;
else
allok = 0;
} while (s != NULL);
free(data);
return allok ? ARCHIVE_OK : anyok ? ARCHIVE_WARN : ARCHIVE_FAILED;
}
static const char *
parse_option(const char **s, const char **m, const char **o, const char **v)
{
const char *end, *mod, *opt, *val;
char *p;
end = NULL;
mod = NULL;
opt = *s;
val = "1";
p = strchr(opt, ',');
if (p != NULL) {
*p = '\0';
end = ((const char *)p) + 1;
}
if (0 == strlen(opt)) {
*s = end;
*m = NULL;
*o = NULL;
*v = NULL;
return end;
}
p = strchr(opt, ':');
if (p != NULL) {
*p = '\0';
mod = opt;
opt = ++p;
}
p = strchr(opt, '=');
if (p != NULL) {
*p = '\0';
val = ++p;
} else if (opt[0] == '!') {
++opt;
val = NULL;
}
*s = end;
*m = mod;
*o = opt;
*v = val;
return end;
}

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/*-
* Copyright (c) 2011 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ARCHIVE_OPTIONS_PRIVATE_H_INCLUDED
#define ARCHIVE_OPTIONS_PRIVATE_H_INCLUDED
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#include "archive_private.h"
typedef int (*option_handler)(struct archive *a,
const char *mod, const char *opt, const char *val);
int
_archive_set_option(struct archive *a,
const char *mod, const char *opt, const char *val,
int magic, const char *fn, option_handler use_option);
int
_archive_set_options(struct archive *a, const char *options,
int magic, const char *fn, option_handler use_option);
int
_archive_set_either_option(struct archive *a,
const char *m, const char *o, const char *v,
option_handler use_format_option, option_handler use_filter_option);
#endif

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/* $NetBSD: pack_dev.c,v 1.12 2013/06/14 16:28:20 tsutsui Exp $ */
/*-
* Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/* Originally from NetBSD's mknod(8) source. */
#include "archive_platform.h"
#if HAVE_SYS_CDEFS_H
#include <sys/cdefs.h>
#endif
#if !defined(lint)
__RCSID("$NetBSD$");
#endif /* not lint */
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#if MAJOR_IN_MKDEV
#include <sys/mkdev.h>
#define HAVE_MAJOR
#elif MAJOR_IN_SYSMACROS
#include <sys/sysmacros.h>
#define HAVE_MAJOR
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "archive_pack_dev.h"
static pack_t pack_netbsd;
static pack_t pack_freebsd;
static pack_t pack_8_8;
static pack_t pack_12_20;
static pack_t pack_14_18;
static pack_t pack_8_24;
static pack_t pack_bsdos;
static int compare_format(const void *, const void *);
static const char iMajorError[] = "invalid major number";
static const char iMinorError[] = "invalid minor number";
static const char tooManyFields[] = "too many fields for format";
/* This is blatantly stolen from libarchive/archive_entry.c,
* in an attempt to get this to play nice on MinGW... */
#if !defined(HAVE_MAJOR) && !defined(major)
/* Replacement for major/minor/makedev. */
#define major(x) ((int)(0x00ff & ((x) >> 8)))
#define minor(x) ((int)(0xffff00ff & (x)))
#define makedev(maj,min) ((0xff00 & ((maj)<<8)) | (0xffff00ff & (min)))
#endif
/* Play games to come up with a suitable makedev() definition. */
#ifdef __QNXNTO__
/* QNX. <sigh> */
#include <sys/netmgr.h>
#define apd_makedev(maj, min) makedev(ND_LOCAL_NODE, (maj), (min))
#elif defined makedev
/* There's a "makedev" macro. */
#define apd_makedev(maj, min) makedev((maj), (min))
#elif defined mkdev || ((defined _WIN32 || defined __WIN32__) && !defined(__CYGWIN__))
/* Windows. <sigh> */
#define apd_makedev(maj, min) mkdev((maj), (min))
#else
/* There's a "makedev" function. */
#define apd_makedev(maj, min) makedev((maj), (min))
#endif
/* exported */
dev_t
pack_native(int n, unsigned long numbers[], const char **error)
{
dev_t dev = 0;
if (n == 2) {
dev = apd_makedev(numbers[0], numbers[1]);
if ((unsigned long)major(dev) != numbers[0])
*error = iMajorError;
else if ((unsigned long)minor(dev) != numbers[1])
*error = iMinorError;
} else
*error = tooManyFields;
return (dev);
}
static dev_t
pack_netbsd(int n, unsigned long numbers[], const char **error)
{
dev_t dev = 0;
if (n == 2) {
dev = makedev_netbsd(numbers[0], numbers[1]);
if ((unsigned long)major_netbsd(dev) != numbers[0])
*error = iMajorError;
else if ((unsigned long)minor_netbsd(dev) != numbers[1])
*error = iMinorError;
} else
*error = tooManyFields;
return (dev);
}
#define major_freebsd(x) ((int32_t)(((x) & 0x0000ff00) >> 8))
#define minor_freebsd(x) ((int32_t)(((x) & 0xffff00ff) >> 0))
#define makedev_freebsd(x,y) ((dev_t)((((x) << 8) & 0x0000ff00) | \
(((y) << 0) & 0xffff00ff)))
static dev_t
pack_freebsd(int n, unsigned long numbers[], const char **error)
{
dev_t dev = 0;
if (n == 2) {
dev = makedev_freebsd(numbers[0], numbers[1]);
if ((unsigned long)major_freebsd(dev) != numbers[0])
*error = iMajorError;
if ((unsigned long)minor_freebsd(dev) != numbers[1])
*error = iMinorError;
} else
*error = tooManyFields;
return (dev);
}
#define major_8_8(x) ((int32_t)(((x) & 0x0000ff00) >> 8))
#define minor_8_8(x) ((int32_t)(((x) & 0x000000ff) >> 0))
#define makedev_8_8(x,y) ((dev_t)((((x) << 8) & 0x0000ff00) | \
(((y) << 0) & 0x000000ff)))
static dev_t
pack_8_8(int n, unsigned long numbers[], const char **error)
{
dev_t dev = 0;
if (n == 2) {
dev = makedev_8_8(numbers[0], numbers[1]);
if ((unsigned long)major_8_8(dev) != numbers[0])
*error = iMajorError;
if ((unsigned long)minor_8_8(dev) != numbers[1])
*error = iMinorError;
} else
*error = tooManyFields;
return (dev);
}
#define major_12_20(x) ((int32_t)(((x) & 0xfff00000) >> 20))
#define minor_12_20(x) ((int32_t)(((x) & 0x000fffff) >> 0))
#define makedev_12_20(x,y) ((dev_t)((((x) << 20) & 0xfff00000) | \
(((y) << 0) & 0x000fffff)))
static dev_t
pack_12_20(int n, unsigned long numbers[], const char **error)
{
dev_t dev = 0;
if (n == 2) {
dev = makedev_12_20(numbers[0], numbers[1]);
if ((unsigned long)major_12_20(dev) != numbers[0])
*error = iMajorError;
if ((unsigned long)minor_12_20(dev) != numbers[1])
*error = iMinorError;
} else
*error = tooManyFields;
return (dev);
}
#define major_14_18(x) ((int32_t)(((x) & 0xfffc0000) >> 18))
#define minor_14_18(x) ((int32_t)(((x) & 0x0003ffff) >> 0))
#define makedev_14_18(x,y) ((dev_t)((((x) << 18) & 0xfffc0000) | \
(((y) << 0) & 0x0003ffff)))
static dev_t
pack_14_18(int n, unsigned long numbers[], const char **error)
{
dev_t dev = 0;
if (n == 2) {
dev = makedev_14_18(numbers[0], numbers[1]);
if ((unsigned long)major_14_18(dev) != numbers[0])
*error = iMajorError;
if ((unsigned long)minor_14_18(dev) != numbers[1])
*error = iMinorError;
} else
*error = tooManyFields;
return (dev);
}
#define major_8_24(x) ((int32_t)(((x) & 0xff000000) >> 24))
#define minor_8_24(x) ((int32_t)(((x) & 0x00ffffff) >> 0))
#define makedev_8_24(x,y) ((dev_t)((((x) << 24) & 0xff000000) | \
(((y) << 0) & 0x00ffffff)))
static dev_t
pack_8_24(int n, unsigned long numbers[], const char **error)
{
dev_t dev = 0;
if (n == 2) {
dev = makedev_8_24(numbers[0], numbers[1]);
if ((unsigned long)major_8_24(dev) != numbers[0])
*error = iMajorError;
if ((unsigned long)minor_8_24(dev) != numbers[1])
*error = iMinorError;
} else
*error = tooManyFields;
return (dev);
}
#define major_12_12_8(x) ((int32_t)(((x) & 0xfff00000) >> 20))
#define unit_12_12_8(x) ((int32_t)(((x) & 0x000fff00) >> 8))
#define subunit_12_12_8(x) ((int32_t)(((x) & 0x000000ff) >> 0))
#define makedev_12_12_8(x,y,z) ((dev_t)((((x) << 20) & 0xfff00000) | \
(((y) << 8) & 0x000fff00) | \
(((z) << 0) & 0x000000ff)))
static dev_t
pack_bsdos(int n, unsigned long numbers[], const char **error)
{
dev_t dev = 0;
if (n == 2) {
dev = makedev_12_20(numbers[0], numbers[1]);
if ((unsigned long)major_12_20(dev) != numbers[0])
*error = iMajorError;
if ((unsigned long)minor_12_20(dev) != numbers[1])
*error = iMinorError;
} else if (n == 3) {
dev = makedev_12_12_8(numbers[0], numbers[1], numbers[2]);
if ((unsigned long)major_12_12_8(dev) != numbers[0])
*error = iMajorError;
if ((unsigned long)unit_12_12_8(dev) != numbers[1])
*error = "invalid unit number";
if ((unsigned long)subunit_12_12_8(dev) != numbers[2])
*error = "invalid subunit number";
} else
*error = tooManyFields;
return (dev);
}
/* list of formats and pack functions */
/* this list must be sorted lexically */
static const struct format {
const char *name;
pack_t *pack;
} formats[] = {
{"386bsd", pack_8_8},
{"4bsd", pack_8_8},
{"bsdos", pack_bsdos},
{"freebsd", pack_freebsd},
{"hpux", pack_8_24},
{"isc", pack_8_8},
{"linux", pack_8_8},
{"native", pack_native},
{"netbsd", pack_netbsd},
{"osf1", pack_12_20},
{"sco", pack_8_8},
{"solaris", pack_14_18},
{"sunos", pack_8_8},
{"svr3", pack_8_8},
{"svr4", pack_14_18},
{"ultrix", pack_8_8},
};
static int
compare_format(const void *key, const void *element)
{
const char *name;
const struct format *format;
name = key;
format = element;
return (strcmp(name, format->name));
}
pack_t *
pack_find(const char *name)
{
struct format *format;
format = bsearch(name, formats,
sizeof(formats)/sizeof(formats[0]),
sizeof(formats[0]), compare_format);
if (format == 0)
return (NULL);
return (format->pack);
}

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/* $NetBSD: pack_dev.h,v 1.8 2013/06/14 16:28:20 tsutsui Exp $ */
/*-
* Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/* Originally from NetBSD's mknod(8) source. */
#ifndef ARCHIVE_PACK_DEV_H
#define ARCHIVE_PACK_DEV_H
typedef dev_t pack_t(int, unsigned long [], const char **);
pack_t *pack_find(const char *);
pack_t pack_native;
#define major_netbsd(x) ((int32_t)((((x) & 0x000fff00) >> 8)))
#define minor_netbsd(x) ((int32_t)((((x) & 0xfff00000) >> 12) | \
(((x) & 0x000000ff) >> 0)))
#define makedev_netbsd(x,y) ((dev_t)((((x) << 8) & 0x000fff00) | \
(((y) << 12) & 0xfff00000) | \
(((y) << 0) & 0x000000ff)))
#endif /* ARCHIVE_PACK_DEV_H */

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_WCHAR_H
#include <wchar.h>
#endif
#include "archive_pathmatch.h"
/*
* Check whether a character 'c' is matched by a list specification [...]:
* * Leading '!' or '^' negates the class.
* * <char>-<char> is a range of characters
* * \<char> removes any special meaning for <char>
*
* Some interesting boundary cases:
* a-d-e is one range (a-d) followed by two single characters - and e.
* \a-\d is same as a-d
* a\-d is three single characters: a, d, -
* Trailing - is not special (so [a-] is two characters a and -).
* Initial - is not special ([a-] is same as [-a] is same as [\\-a])
* This function never sees a trailing \.
* [] always fails
* [!] always succeeds
*/
static int
pm_list(const char *start, const char *end, const char c, int flags)
{
const char *p = start;
char rangeStart = '\0', nextRangeStart;
int match = 1, nomatch = 0;
/* This will be used soon... */
(void)flags; /* UNUSED */
/* If this is a negated class, return success for nomatch. */
if ((*p == '!' || *p == '^') && p < end) {
match = 0;
nomatch = 1;
++p;
}
while (p < end) {
nextRangeStart = '\0';
switch (*p) {
case '-':
/* Trailing or initial '-' is not special. */
if ((rangeStart == '\0') || (p == end - 1)) {
if (*p == c)
return (match);
} else {
char rangeEnd = *++p;
if (rangeEnd == '\\')
rangeEnd = *++p;
if ((rangeStart <= c) && (c <= rangeEnd))
return (match);
}
break;
case '\\':
++p;
/* Fall through */
default:
if (*p == c)
return (match);
nextRangeStart = *p; /* Possible start of range. */
}
rangeStart = nextRangeStart;
++p;
}
return (nomatch);
}
static int
pm_list_w(const wchar_t *start, const wchar_t *end, const wchar_t c, int flags)
{
const wchar_t *p = start;
wchar_t rangeStart = L'\0', nextRangeStart;
int match = 1, nomatch = 0;
/* This will be used soon... */
(void)flags; /* UNUSED */
/* If this is a negated class, return success for nomatch. */
if ((*p == L'!' || *p == L'^') && p < end) {
match = 0;
nomatch = 1;
++p;
}
while (p < end) {
nextRangeStart = L'\0';
switch (*p) {
case L'-':
/* Trailing or initial '-' is not special. */
if ((rangeStart == L'\0') || (p == end - 1)) {
if (*p == c)
return (match);
} else {
wchar_t rangeEnd = *++p;
if (rangeEnd == L'\\')
rangeEnd = *++p;
if ((rangeStart <= c) && (c <= rangeEnd))
return (match);
}
break;
case L'\\':
++p;
/* Fall through */
default:
if (*p == c)
return (match);
nextRangeStart = *p; /* Possible start of range. */
}
rangeStart = nextRangeStart;
++p;
}
return (nomatch);
}
/*
* If s is pointing to "./", ".//", "./././" or the like, skip it.
*/
static const char *
pm_slashskip(const char *s) {
while ((*s == '/')
|| (s[0] == '.' && s[1] == '/')
|| (s[0] == '.' && s[1] == '\0'))
++s;
return (s);
}
static const wchar_t *
pm_slashskip_w(const wchar_t *s) {
while ((*s == L'/')
|| (s[0] == L'.' && s[1] == L'/')
|| (s[0] == L'.' && s[1] == L'\0'))
++s;
return (s);
}
static int
pm(const char *p, const char *s, int flags)
{
const char *end;
/*
* Ignore leading './', './/', '././', etc.
*/
if (s[0] == '.' && s[1] == '/')
s = pm_slashskip(s + 1);
if (p[0] == '.' && p[1] == '/')
p = pm_slashskip(p + 1);
for (;;) {
switch (*p) {
case '\0':
if (s[0] == '/') {
if (flags & PATHMATCH_NO_ANCHOR_END)
return (1);
/* "dir" == "dir/" == "dir/." */
s = pm_slashskip(s);
}
return (*s == '\0');
case '?':
/* ? always succeeds, unless we hit end of 's' */
if (*s == '\0')
return (0);
break;
case '*':
/* "*" == "**" == "***" ... */
while (*p == '*')
++p;
/* Trailing '*' always succeeds. */
if (*p == '\0')
return (1);
while (*s) {
if (archive_pathmatch(p, s, flags))
return (1);
++s;
}
return (0);
case '[':
/*
* Find the end of the [...] character class,
* ignoring \] that might occur within the class.
*/
end = p + 1;
while (*end != '\0' && *end != ']') {
if (*end == '\\' && end[1] != '\0')
++end;
++end;
}
if (*end == ']') {
/* We found [...], try to match it. */
if (!pm_list(p + 1, end, *s, flags))
return (0);
p = end; /* Jump to trailing ']' char. */
break;
} else
/* No final ']', so just match '['. */
if (*p != *s)
return (0);
break;
case '\\':
/* Trailing '\\' matches itself. */
if (p[1] == '\0') {
if (*s != '\\')
return (0);
} else {
++p;
if (*p != *s)
return (0);
}
break;
case '/':
if (*s != '/' && *s != '\0')
return (0);
/* Note: pattern "/\./" won't match "/";
* pm_slashskip() correctly stops at backslash. */
p = pm_slashskip(p);
s = pm_slashskip(s);
if (*p == '\0' && (flags & PATHMATCH_NO_ANCHOR_END))
return (1);
--p; /* Counteract the increment below. */
--s;
break;
case '$':
/* '$' is special only at end of pattern and only
* if PATHMATCH_NO_ANCHOR_END is specified. */
if (p[1] == '\0' && (flags & PATHMATCH_NO_ANCHOR_END)){
/* "dir" == "dir/" == "dir/." */
return (*pm_slashskip(s) == '\0');
}
/* Otherwise, '$' is not special. */
/* FALL THROUGH */
default:
if (*p != *s)
return (0);
break;
}
++p;
++s;
}
}
static int
pm_w(const wchar_t *p, const wchar_t *s, int flags)
{
const wchar_t *end;
/*
* Ignore leading './', './/', '././', etc.
*/
if (s[0] == L'.' && s[1] == L'/')
s = pm_slashskip_w(s + 1);
if (p[0] == L'.' && p[1] == L'/')
p = pm_slashskip_w(p + 1);
for (;;) {
switch (*p) {
case L'\0':
if (s[0] == L'/') {
if (flags & PATHMATCH_NO_ANCHOR_END)
return (1);
/* "dir" == "dir/" == "dir/." */
s = pm_slashskip_w(s);
}
return (*s == L'\0');
case L'?':
/* ? always succeeds, unless we hit end of 's' */
if (*s == L'\0')
return (0);
break;
case L'*':
/* "*" == "**" == "***" ... */
while (*p == L'*')
++p;
/* Trailing '*' always succeeds. */
if (*p == L'\0')
return (1);
while (*s) {
if (archive_pathmatch_w(p, s, flags))
return (1);
++s;
}
return (0);
case L'[':
/*
* Find the end of the [...] character class,
* ignoring \] that might occur within the class.
*/
end = p + 1;
while (*end != L'\0' && *end != L']') {
if (*end == L'\\' && end[1] != L'\0')
++end;
++end;
}
if (*end == L']') {
/* We found [...], try to match it. */
if (!pm_list_w(p + 1, end, *s, flags))
return (0);
p = end; /* Jump to trailing ']' char. */
break;
} else
/* No final ']', so just match '['. */
if (*p != *s)
return (0);
break;
case L'\\':
/* Trailing '\\' matches itself. */
if (p[1] == L'\0') {
if (*s != L'\\')
return (0);
} else {
++p;
if (*p != *s)
return (0);
}
break;
case L'/':
if (*s != L'/' && *s != L'\0')
return (0);
/* Note: pattern "/\./" won't match "/";
* pm_slashskip() correctly stops at backslash. */
p = pm_slashskip_w(p);
s = pm_slashskip_w(s);
if (*p == L'\0' && (flags & PATHMATCH_NO_ANCHOR_END))
return (1);
--p; /* Counteract the increment below. */
--s;
break;
case L'$':
/* '$' is special only at end of pattern and only
* if PATHMATCH_NO_ANCHOR_END is specified. */
if (p[1] == L'\0' && (flags & PATHMATCH_NO_ANCHOR_END)){
/* "dir" == "dir/" == "dir/." */
return (*pm_slashskip_w(s) == L'\0');
}
/* Otherwise, '$' is not special. */
/* FALL THROUGH */
default:
if (*p != *s)
return (0);
break;
}
++p;
++s;
}
}
/* Main entry point. */
int
__archive_pathmatch(const char *p, const char *s, int flags)
{
/* Empty pattern only matches the empty string. */
if (p == NULL || *p == '\0')
return (s == NULL || *s == '\0');
/* Leading '^' anchors the start of the pattern. */
if (*p == '^') {
++p;
flags &= ~PATHMATCH_NO_ANCHOR_START;
}
if (*p == '/' && *s != '/')
return (0);
/* Certain patterns anchor implicitly. */
if (*p == '*' || *p == '/') {
while (*p == '/')
++p;
while (*s == '/')
++s;
return (pm(p, s, flags));
}
/* If start is unanchored, try to match start of each path element. */
if (flags & PATHMATCH_NO_ANCHOR_START) {
for ( ; s != NULL; s = strchr(s, '/')) {
if (*s == '/')
s++;
if (pm(p, s, flags))
return (1);
}
return (0);
}
/* Default: Match from beginning. */
return (pm(p, s, flags));
}
int
__archive_pathmatch_w(const wchar_t *p, const wchar_t *s, int flags)
{
/* Empty pattern only matches the empty string. */
if (p == NULL || *p == L'\0')
return (s == NULL || *s == L'\0');
/* Leading '^' anchors the start of the pattern. */
if (*p == L'^') {
++p;
flags &= ~PATHMATCH_NO_ANCHOR_START;
}
if (*p == L'/' && *s != L'/')
return (0);
/* Certain patterns anchor implicitly. */
if (*p == L'*' || *p == L'/') {
while (*p == L'/')
++p;
while (*s == L'/')
++s;
return (pm_w(p, s, flags));
}
/* If start is unanchored, try to match start of each path element. */
if (flags & PATHMATCH_NO_ANCHOR_START) {
for ( ; s != NULL; s = wcschr(s, L'/')) {
if (*s == L'/')
s++;
if (pm_w(p, s, flags))
return (1);
}
return (0);
}
/* Default: Match from beginning. */
return (pm_w(p, s, flags));
}

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef ARCHIVE_PATHMATCH_H
#define ARCHIVE_PATHMATCH_H
#ifndef __LIBARCHIVE_BUILD
#ifndef __LIBARCHIVE_TEST
#error This header is only to be used internally to libarchive.
#endif
#endif
/* Don't anchor at beginning unless the pattern starts with "^" */
#define PATHMATCH_NO_ANCHOR_START 1
/* Don't anchor at end unless the pattern ends with "$" */
#define PATHMATCH_NO_ANCHOR_END 2
/* Note that "^" and "$" are not special unless you set the corresponding
* flag above. */
int __archive_pathmatch(const char *p, const char *s, int flags);
int __archive_pathmatch_w(const wchar_t *p, const wchar_t *s, int flags);
#define archive_pathmatch(p, s, f) __archive_pathmatch(p, s, f)
#define archive_pathmatch_w(p, s, f) __archive_pathmatch_w(p, s, f)
#endif

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: head/lib/libarchive/archive_platform.h 201090 2009-12-28 02:22:04Z kientzle $
*/
/* !!ONLY FOR USE INTERNALLY TO LIBARCHIVE!! */
/*
* This header is the first thing included in any of the libarchive
* source files. As far as possible, platform-specific issues should
* be dealt with here and not within individual source files. I'm
* actively trying to minimize #if blocks within the main source,
* since they obfuscate the code.
*/
#ifndef ARCHIVE_PLATFORM_H_INCLUDED
#define ARCHIVE_PLATFORM_H_INCLUDED
/* archive.h and archive_entry.h require this. */
#define __LIBARCHIVE_BUILD 1
#if defined(PLATFORM_CONFIG_H)
/* Use hand-built config.h in environments that need it. */
#include PLATFORM_CONFIG_H
#elif defined(HAVE_CONFIG_H)
/* Most POSIX platforms use the 'configure' script to build config.h */
#include "config.h"
#else
/* Warn if the library hasn't been (automatically or manually) configured. */
#error Oops: No config.h and no pre-built configuration in archive_platform.h.
#endif
/* On macOS check for some symbols based on the deployment target version. */
#if defined(__APPLE__)
# undef HAVE_FUTIMENS
# undef HAVE_UTIMENSAT
# include <AvailabilityMacros.h>
# if MAC_OS_X_VERSION_MIN_REQUIRED >= 101300
# define HAVE_FUTIMENS 1
# define HAVE_UTIMENSAT 1
# endif
#endif
/* It should be possible to get rid of this by extending the feature-test
* macros to cover Windows API functions, probably along with non-trivial
* refactoring of code to find structures that sit more cleanly on top of
* either Windows or Posix APIs. */
#if (defined(__WIN32__) || defined(_WIN32) || defined(__WIN32)) && !defined(__CYGWIN__)
#include "archive_windows.h"
#else
#define la_stat(path,stref) stat(path,stref)
#endif
/*
* The config files define a lot of feature macros. The following
* uses those macros to select/define replacements and include key
* headers as required.
*/
/* Get a real definition for __FBSDID or __RCSID if we can */
#if HAVE_SYS_CDEFS_H
#include <sys/cdefs.h>
#endif
/* If not, define them so as to avoid dangling semicolons. */
#ifndef __FBSDID
#define __FBSDID(a) struct _undefined_hack
#endif
#ifndef __RCSID
#define __RCSID(a) struct _undefined_hack
#endif
/* Try to get standard C99-style integer type definitions. */
#if HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#if HAVE_STDINT_H
#include <stdint.h>
#endif
/* Borland warns about its own constants! */
#if defined(__BORLANDC__)
# if HAVE_DECL_UINT64_MAX
# undef UINT64_MAX
# undef HAVE_DECL_UINT64_MAX
# endif
# if HAVE_DECL_UINT64_MIN
# undef UINT64_MIN
# undef HAVE_DECL_UINT64_MIN
# endif
# if HAVE_DECL_INT64_MAX
# undef INT64_MAX
# undef HAVE_DECL_INT64_MAX
# endif
# if HAVE_DECL_INT64_MIN
# undef INT64_MIN
# undef HAVE_DECL_INT64_MIN
# endif
#endif
/* Some platforms lack the standard *_MAX definitions. */
#if !HAVE_DECL_SIZE_MAX
#define SIZE_MAX (~(size_t)0)
#endif
#if !HAVE_DECL_SSIZE_MAX
#define SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1))
#endif
#if !HAVE_DECL_UINT32_MAX
#define UINT32_MAX (~(uint32_t)0)
#endif
#if !HAVE_DECL_INT32_MAX
#define INT32_MAX ((int32_t)(UINT32_MAX >> 1))
#endif
#if !HAVE_DECL_INT32_MIN
#define INT32_MIN ((int32_t)(~INT32_MAX))
#endif
#if !HAVE_DECL_UINT64_MAX
#define UINT64_MAX (~(uint64_t)0)
#endif
#if !HAVE_DECL_INT64_MAX
#define INT64_MAX ((int64_t)(UINT64_MAX >> 1))
#endif
#if !HAVE_DECL_INT64_MIN
#define INT64_MIN ((int64_t)(~INT64_MAX))
#endif
#if !HAVE_DECL_UINTMAX_MAX
#define UINTMAX_MAX (~(uintmax_t)0)
#endif
#if !HAVE_DECL_INTMAX_MAX
#define INTMAX_MAX ((intmax_t)(UINTMAX_MAX >> 1))
#endif
#if !HAVE_DECL_INTMAX_MIN
#define INTMAX_MIN ((intmax_t)(~INTMAX_MAX))
#endif
/*
* If we can't restore metadata using a file descriptor, then
* for compatibility's sake, close files before trying to restore metadata.
*/
#if defined(HAVE_FCHMOD) || defined(HAVE_FUTIMES) || defined(HAVE_ACL_SET_FD) || defined(HAVE_ACL_SET_FD_NP) || defined(HAVE_FCHOWN)
#define CAN_RESTORE_METADATA_FD
#endif
/*
* glibc 2.24 deprecates readdir_r
*/
#if defined(HAVE_READDIR_R) && (!defined(__GLIBC__) || !defined(__GLIBC_MINOR__) || __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 24))
#define USE_READDIR_R 1
#else
#undef USE_READDIR_R
#endif
/* Set up defaults for internal error codes. */
#ifndef ARCHIVE_ERRNO_FILE_FORMAT
#if HAVE_EFTYPE
#define ARCHIVE_ERRNO_FILE_FORMAT EFTYPE
#else
#if HAVE_EILSEQ
#define ARCHIVE_ERRNO_FILE_FORMAT EILSEQ
#else
#define ARCHIVE_ERRNO_FILE_FORMAT EINVAL
#endif
#endif
#endif
#ifndef ARCHIVE_ERRNO_PROGRAMMER
#define ARCHIVE_ERRNO_PROGRAMMER EINVAL
#endif
#ifndef ARCHIVE_ERRNO_MISC
#define ARCHIVE_ERRNO_MISC (-1)
#endif
#if defined(__GNUC__) && (__GNUC__ >= 7)
#define __LA_FALLTHROUGH __attribute__((fallthrough))
#else
#define __LA_FALLTHROUGH
#endif
#endif /* !ARCHIVE_PLATFORM_H_INCLUDED */

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/*-
* Copyright (c) 2017 Martin Matuska
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
/* !!ONLY FOR USE INTERNALLY TO LIBARCHIVE!! */
#ifndef ARCHIVE_PLATFORM_ACL_H_INCLUDED
#define ARCHIVE_PLATFORM_ACL_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#ifndef __LIBARCHIVE_TEST_COMMON
#error This header is only to be used internally to libarchive.
#endif
#endif
/*
* Determine what ACL types are supported
*/
#if ARCHIVE_ACL_FREEBSD || ARCHIVE_ACL_SUNOS || ARCHIVE_ACL_LIBACL
#define ARCHIVE_ACL_POSIX1E 1
#endif
#if ARCHIVE_ACL_FREEBSD_NFS4 || ARCHIVE_ACL_SUNOS_NFS4 || \
ARCHIVE_ACL_DARWIN || ARCHIVE_ACL_LIBRICHACL
#define ARCHIVE_ACL_NFS4 1
#endif
#if ARCHIVE_ACL_POSIX1E || ARCHIVE_ACL_NFS4
#define ARCHIVE_ACL_SUPPORT 1
#endif
#endif /* ARCHIVE_PLATFORM_ACL_H_INCLUDED */

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/*-
* Copyright (c) 2017 Martin Matuska
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
/* !!ONLY FOR USE INTERNALLY TO LIBARCHIVE!! */
#ifndef ARCHIVE_PLATFORM_XATTR_H_INCLUDED
#define ARCHIVE_PLATFORM_XATTR_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#ifndef __LIBARCHIVE_TEST_COMMON
#error This header is only to be used internally to libarchive.
#endif
#endif
/*
* Determine if we support extended attributes
*/
#if ARCHIVE_XATTR_LINUX || ARCHIVE_XATTR_DARWIN || ARCHIVE_XATTR_FREEBSD || \
ARCHIVE_XATTR_AIX
#define ARCHIVE_XATTR_SUPPORT 1
#endif
#endif /* ARCHIVE_PLATFORM_XATTR_H_INCLUDED */

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/* Ppmd7.h -- PPMdH compression codec
2010-03-12 : Igor Pavlov : Public domain
This code is based on PPMd var.H (2001): Dmitry Shkarin : Public domain */
/* This code supports virtual RangeDecoder and includes the implementation
of RangeCoder from 7z, instead of RangeCoder from original PPMd var.H.
If you need the compatibility with original PPMd var.H, you can use external RangeDecoder */
#ifndef ARCHIVE_PPMD7_PRIVATE_H_INCLUDED
#define ARCHIVE_PPMD7_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
#include "archive_ppmd_private.h"
#define PPMD7_MIN_ORDER 2
#define PPMD7_MAX_ORDER 64
#define PPMD7_MIN_MEM_SIZE (1 << 11)
#define PPMD7_MAX_MEM_SIZE (0xFFFFFFFFu - 12 * 3)
struct CPpmd7_Context_;
typedef
#ifdef PPMD_32BIT
struct CPpmd7_Context_ *
#else
UInt32
#endif
CPpmd7_Context_Ref;
typedef struct CPpmd7_Context_
{
UInt16 NumStats;
UInt16 SummFreq;
CPpmd_State_Ref Stats;
CPpmd7_Context_Ref Suffix;
} CPpmd7_Context;
#define Ppmd7Context_OneState(p) ((CPpmd_State *)&(p)->SummFreq)
typedef struct
{
CPpmd7_Context *MinContext, *MaxContext;
CPpmd_State *FoundState;
unsigned OrderFall, InitEsc, PrevSuccess, MaxOrder, HiBitsFlag;
Int32 RunLength, InitRL; /* must be 32-bit at least */
UInt32 Size;
UInt32 GlueCount;
Byte *Base, *LoUnit, *HiUnit, *Text, *UnitsStart;
UInt32 AlignOffset;
Byte Indx2Units[PPMD_NUM_INDEXES];
Byte Units2Indx[128];
CPpmd_Void_Ref FreeList[PPMD_NUM_INDEXES];
Byte NS2Indx[256], NS2BSIndx[256], HB2Flag[256];
CPpmd_See DummySee, See[25][16];
UInt16 BinSumm[128][64];
} CPpmd7;
/* ---------- Decode ---------- */
typedef struct
{
UInt32 (*GetThreshold)(void *p, UInt32 total);
void (*Decode)(void *p, UInt32 start, UInt32 size);
UInt32 (*DecodeBit)(void *p, UInt32 size0);
} IPpmd7_RangeDec;
typedef struct
{
IPpmd7_RangeDec p;
UInt32 Range;
UInt32 Code;
UInt32 Low;
UInt32 Bottom;
IByteIn *Stream;
} CPpmd7z_RangeDec;
/* ---------- Encode ---------- */
typedef struct
{
UInt64 Low;
UInt32 Range;
Byte Cache;
UInt64 CacheSize;
IByteOut *Stream;
} CPpmd7z_RangeEnc;
typedef struct
{
/* Base Functions */
void (*Ppmd7_Construct)(CPpmd7 *p);
Bool (*Ppmd7_Alloc)(CPpmd7 *p, UInt32 size);
void (*Ppmd7_Free)(CPpmd7 *p);
void (*Ppmd7_Init)(CPpmd7 *p, unsigned maxOrder);
#define Ppmd7_WasAllocated(p) ((p)->Base != NULL)
/* Decode Functions */
void (*Ppmd7z_RangeDec_CreateVTable)(CPpmd7z_RangeDec *p);
void (*PpmdRAR_RangeDec_CreateVTable)(CPpmd7z_RangeDec *p);
Bool (*Ppmd7z_RangeDec_Init)(CPpmd7z_RangeDec *p);
Bool (*PpmdRAR_RangeDec_Init)(CPpmd7z_RangeDec *p);
#define Ppmd7z_RangeDec_IsFinishedOK(p) ((p)->Code == 0)
int (*Ppmd7_DecodeSymbol)(CPpmd7 *p, IPpmd7_RangeDec *rc);
/* Encode Functions */
void (*Ppmd7z_RangeEnc_Init)(CPpmd7z_RangeEnc *p);
void (*Ppmd7z_RangeEnc_FlushData)(CPpmd7z_RangeEnc *p);
void (*Ppmd7_EncodeSymbol)(CPpmd7 *p, CPpmd7z_RangeEnc *rc, int symbol);
} IPpmd7;
extern const IPpmd7 __archive_ppmd7_functions;
#endif

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/* Ppmd8.h -- PPMdI codec
2011-01-27 : Igor Pavlov : Public domain
This code is based on:
PPMd var.I (2002): Dmitry Shkarin : Public domain
Carryless rangecoder (1999): Dmitry Subbotin : Public domain */
#ifndef ARCHIVE_PPMD8_PRIVATE_H_INCLUDED
#define ARCHIVE_PPMD8_PRIVATE_H_INCLUDED
#include "archive_ppmd_private.h"
#define PPMD8_MIN_ORDER 2
#define PPMD8_MAX_ORDER 16
struct CPpmd8_Context_;
typedef
#ifdef PPMD_32BIT
struct CPpmd8_Context_ *
#else
UInt32
#endif
CPpmd8_Context_Ref;
#pragma pack(push, 1)
typedef struct CPpmd8_Context_
{
Byte NumStats;
Byte Flags;
UInt16 SummFreq;
CPpmd_State_Ref Stats;
CPpmd8_Context_Ref Suffix;
} CPpmd8_Context;
#pragma pack(pop)
#define Ppmd8Context_OneState(p) ((CPpmd_State *)&(p)->SummFreq)
/* The BUG in Shkarin's code for FREEZE mode was fixed, but that fixed
code is not compatible with original code for some files compressed
in FREEZE mode. So we disable FREEZE mode support. */
enum
{
PPMD8_RESTORE_METHOD_RESTART,
PPMD8_RESTORE_METHOD_CUT_OFF
#ifdef PPMD8_FREEZE_SUPPORT
, PPMD8_RESTORE_METHOD_FREEZE
#endif
};
typedef struct
{
CPpmd8_Context *MinContext, *MaxContext;
CPpmd_State *FoundState;
unsigned OrderFall, InitEsc, PrevSuccess, MaxOrder;
Int32 RunLength, InitRL; /* must be 32-bit at least */
UInt32 Size;
UInt32 GlueCount;
Byte *Base, *LoUnit, *HiUnit, *Text, *UnitsStart;
UInt32 AlignOffset;
unsigned RestoreMethod;
/* Range Coder */
UInt32 Range;
UInt32 Code;
UInt32 Low;
union
{
IByteIn *In;
IByteOut *Out;
} Stream;
Byte Indx2Units[PPMD_NUM_INDEXES];
Byte Units2Indx[128];
CPpmd_Void_Ref FreeList[PPMD_NUM_INDEXES];
UInt32 Stamps[PPMD_NUM_INDEXES];
Byte NS2BSIndx[256], NS2Indx[260];
CPpmd_See DummySee, See[24][32];
UInt16 BinSumm[25][64];
} CPpmd8;
void Ppmd8_Construct(CPpmd8 *p);
Bool Ppmd8_Alloc(CPpmd8 *p, UInt32 size);
void Ppmd8_Free(CPpmd8 *p);
void Ppmd8_Init(CPpmd8 *p, unsigned maxOrder, unsigned restoreMethod);
#define Ppmd8_WasAllocated(p) ((p)->Base != NULL)
/* ---------- Internal Functions ---------- */
extern const Byte PPMD8_kExpEscape[16];
#ifdef PPMD_32BIT
#define Ppmd8_GetPtr(p, ptr) (ptr)
#define Ppmd8_GetContext(p, ptr) (ptr)
#define Ppmd8_GetStats(p, ctx) ((ctx)->Stats)
#else
#define Ppmd8_GetPtr(p, offs) ((void *)((p)->Base + (offs)))
#define Ppmd8_GetContext(p, offs) ((CPpmd8_Context *)Ppmd8_GetPtr((p), (offs)))
#define Ppmd8_GetStats(p, ctx) ((CPpmd_State *)Ppmd8_GetPtr((p), ((ctx)->Stats)))
#endif
void Ppmd8_Update1(CPpmd8 *p);
void Ppmd8_Update1_0(CPpmd8 *p);
void Ppmd8_Update2(CPpmd8 *p);
void Ppmd8_UpdateBin(CPpmd8 *p);
#define Ppmd8_GetBinSumm(p) \
&p->BinSumm[p->NS2Indx[Ppmd8Context_OneState(p->MinContext)->Freq - 1]][ \
p->NS2BSIndx[Ppmd8_GetContext(p, p->MinContext->Suffix)->NumStats] + \
p->PrevSuccess + p->MinContext->Flags + ((p->RunLength >> 26) & 0x20)]
CPpmd_See *Ppmd8_MakeEscFreq(CPpmd8 *p, unsigned numMasked, UInt32 *scale);
/* ---------- Decode ---------- */
Bool Ppmd8_RangeDec_Init(CPpmd8 *p);
#define Ppmd8_RangeDec_IsFinishedOK(p) ((p)->Code == 0)
int Ppmd8_DecodeSymbol(CPpmd8 *p); /* returns: -1 as EndMarker, -2 as DataError */
/* ---------- Encode ---------- */
#define Ppmd8_RangeEnc_Init(p) { (p)->Low = 0; (p)->Range = 0xFFFFFFFF; }
void Ppmd8_RangeEnc_FlushData(CPpmd8 *p);
void Ppmd8_EncodeSymbol(CPpmd8 *p, int symbol); /* symbol = -1 means EndMarker */
typedef struct
{
/* Base Functions */
void (*Ppmd8_Construct)(CPpmd8 *p);
Bool (*Ppmd8_Alloc)(CPpmd8 *p, UInt32 size);
void (*Ppmd8_Free)(CPpmd8 *p);
void (*Ppmd8_Init)(CPpmd8 *p, unsigned max_order, unsigned restore_method);
#define Ppmd7_WasAllocated(p) ((p)->Base != NULL)
/* Decode Functions */
int (*Ppmd8_RangeDec_Init)(CPpmd8 *p);
int (*Ppmd8_DecodeSymbol)(CPpmd8 *p);
} IPpmd8;
extern const IPpmd8 __archive_ppmd8_functions;
#endif

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/* Ppmd.h -- PPMD codec common code
2010-03-12 : Igor Pavlov : Public domain
This code is based on PPMd var.H (2001): Dmitry Shkarin : Public domain */
#ifndef ARCHIVE_PPMD_PRIVATE_H_INCLUDED
#define ARCHIVE_PPMD_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
#include <stddef.h>
#include "archive_read_private.h"
/*** Begin defined in Types.h ***/
#if !defined(ZCONF_H)
typedef unsigned char Byte;
#endif
typedef short Int16;
typedef unsigned short UInt16;
#ifdef _LZMA_UINT32_IS_ULONG
typedef long Int32;
typedef unsigned long UInt32;
#else
typedef int Int32;
typedef unsigned int UInt32;
#endif
#ifdef _SZ_NO_INT_64
/* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers.
NOTES: Some code will work incorrectly in that case! */
typedef long Int64;
typedef unsigned long UInt64;
#else
#if defined(_MSC_VER) || defined(__BORLANDC__)
typedef __int64 Int64;
typedef unsigned __int64 UInt64;
#define UINT64_CONST(n) n
#else
typedef long long int Int64;
typedef unsigned long long int UInt64;
#define UINT64_CONST(n) n ## ULL
#endif
#endif
typedef int Bool;
#define True 1
#define False 0
/* The following interfaces use first parameter as pointer to structure */
typedef struct
{
struct archive_read *a;
Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */
} IByteIn;
typedef struct
{
struct archive_write *a;
void (*Write)(void *p, Byte b);
} IByteOut;
/*** End defined in Types.h ***/
/*** Begin defined in CpuArch.h ***/
#if defined(_M_IX86) || defined(__i386__)
#define MY_CPU_X86
#endif
#if defined(MY_CPU_X86) || defined(_M_ARM)
#define MY_CPU_32BIT
#endif
#ifdef MY_CPU_32BIT
#define PPMD_32BIT
#endif
/*** End defined in CpuArch.h ***/
#define PPMD_INT_BITS 7
#define PPMD_PERIOD_BITS 7
#define PPMD_BIN_SCALE (1 << (PPMD_INT_BITS + PPMD_PERIOD_BITS))
#define PPMD_GET_MEAN_SPEC(summ, shift, round) (((summ) + (1 << ((shift) - (round)))) >> (shift))
#define PPMD_GET_MEAN(summ) PPMD_GET_MEAN_SPEC((summ), PPMD_PERIOD_BITS, 2)
#define PPMD_UPDATE_PROB_0(prob) ((prob) + (1 << PPMD_INT_BITS) - PPMD_GET_MEAN(prob))
#define PPMD_UPDATE_PROB_1(prob) ((prob) - PPMD_GET_MEAN(prob))
#define PPMD_N1 4
#define PPMD_N2 4
#define PPMD_N3 4
#define PPMD_N4 ((128 + 3 - 1 * PPMD_N1 - 2 * PPMD_N2 - 3 * PPMD_N3) / 4)
#define PPMD_NUM_INDEXES (PPMD_N1 + PPMD_N2 + PPMD_N3 + PPMD_N4)
/* SEE-contexts for PPM-contexts with masked symbols */
typedef struct
{
UInt16 Summ; /* Freq */
Byte Shift; /* Speed of Freq change; low Shift is for fast change */
Byte Count; /* Count to next change of Shift */
} CPpmd_See;
#define Ppmd_See_Update(p) if ((p)->Shift < PPMD_PERIOD_BITS && --(p)->Count == 0) \
{ (p)->Summ <<= 1; (p)->Count = (Byte)(3 << (p)->Shift++); }
typedef struct
{
Byte Symbol;
Byte Freq;
UInt16 SuccessorLow;
UInt16 SuccessorHigh;
} CPpmd_State;
typedef
#ifdef PPMD_32BIT
CPpmd_State *
#else
UInt32
#endif
CPpmd_State_Ref;
typedef
#ifdef PPMD_32BIT
void *
#else
UInt32
#endif
CPpmd_Void_Ref;
typedef
#ifdef PPMD_32BIT
Byte *
#else
UInt32
#endif
CPpmd_Byte_Ref;
#define PPMD_SetAllBitsIn256Bytes(p) \
{ unsigned j; for (j = 0; j < 256 / sizeof(p[0]); j += 8) { \
p[j+7] = p[j+6] = p[j+5] = p[j+4] = p[j+3] = p[j+2] = p[j+1] = p[j+0] = ~(size_t)0; }}
#endif

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: head/lib/libarchive/archive_private.h 201098 2009-12-28 02:58:14Z kientzle $
*/
#ifndef ARCHIVE_PRIVATE_H_INCLUDED
#define ARCHIVE_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
#if HAVE_ICONV_H
#include <iconv.h>
#endif
#include "archive.h"
#include "archive_string.h"
#if defined(__GNUC__) && (__GNUC__ > 2 || \
(__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
#define __LA_DEAD __attribute__((__noreturn__))
#else
#define __LA_DEAD
#endif
#define ARCHIVE_WRITE_MAGIC (0xb0c5c0deU)
#define ARCHIVE_READ_MAGIC (0xdeb0c5U)
#define ARCHIVE_WRITE_DISK_MAGIC (0xc001b0c5U)
#define ARCHIVE_READ_DISK_MAGIC (0xbadb0c5U)
#define ARCHIVE_MATCH_MAGIC (0xcad11c9U)
#define ARCHIVE_STATE_NEW 1U
#define ARCHIVE_STATE_HEADER 2U
#define ARCHIVE_STATE_DATA 4U
#define ARCHIVE_STATE_EOF 0x10U
#define ARCHIVE_STATE_CLOSED 0x20U
#define ARCHIVE_STATE_FATAL 0x8000U
#define ARCHIVE_STATE_ANY (0xFFFFU & ~ARCHIVE_STATE_FATAL)
struct archive_vtable {
int (*archive_close)(struct archive *);
int (*archive_free)(struct archive *);
int (*archive_write_header)(struct archive *,
struct archive_entry *);
int (*archive_write_finish_entry)(struct archive *);
ssize_t (*archive_write_data)(struct archive *,
const void *, size_t);
ssize_t (*archive_write_data_block)(struct archive *,
const void *, size_t, int64_t);
int (*archive_read_next_header)(struct archive *,
struct archive_entry **);
int (*archive_read_next_header2)(struct archive *,
struct archive_entry *);
int (*archive_read_data_block)(struct archive *,
const void **, size_t *, int64_t *);
int (*archive_filter_count)(struct archive *);
int64_t (*archive_filter_bytes)(struct archive *, int);
int (*archive_filter_code)(struct archive *, int);
const char * (*archive_filter_name)(struct archive *, int);
};
struct archive_string_conv;
struct archive {
/*
* The magic/state values are used to sanity-check the
* client's usage. If an API function is called at a
* ridiculous time, or the client passes us an invalid
* pointer, these values allow me to catch that.
*/
unsigned int magic;
unsigned int state;
/*
* Some public API functions depend on the "real" type of the
* archive object.
*/
struct archive_vtable *vtable;
int archive_format;
const char *archive_format_name;
int compression_code; /* Currently active compression. */
const char *compression_name;
/* Number of file entries processed. */
int file_count;
int archive_error_number;
const char *error;
struct archive_string error_string;
char *current_code;
unsigned current_codepage; /* Current ACP(ANSI CodePage). */
unsigned current_oemcp; /* Current OEMCP(OEM CodePage). */
struct archive_string_conv *sconv;
/*
* Used by archive_read_data() to track blocks and copy
* data to client buffers, filling gaps with zero bytes.
*/
const char *read_data_block;
int64_t read_data_offset;
int64_t read_data_output_offset;
size_t read_data_remaining;
/*
* Used by formats/filters to determine the amount of data
* requested from a call to archive_read_data(). This is only
* useful when the format/filter has seek support.
*/
char read_data_is_posix_read;
size_t read_data_requested;
};
/* Check magic value and state; return(ARCHIVE_FATAL) if it isn't valid. */
int __archive_check_magic(struct archive *, unsigned int magic,
unsigned int state, const char *func);
#define archive_check_magic(a, expected_magic, allowed_states, function_name) \
do { \
int magic_test = __archive_check_magic((a), (expected_magic), \
(allowed_states), (function_name)); \
if (magic_test == ARCHIVE_FATAL) \
return ARCHIVE_FATAL; \
} while (0)
void __archive_errx(int retvalue, const char *msg) __LA_DEAD;
void __archive_ensure_cloexec_flag(int fd);
int __archive_mktemp(const char *tmpdir);
#if defined(_WIN32) && !defined(__CYGWIN__)
int __archive_mkstemp(wchar_t *template);
#else
int __archive_mkstemp(char *template);
#endif
int __archive_clean(struct archive *);
void __archive_reset_read_data(struct archive *);
#define err_combine(a,b) ((a) < (b) ? (a) : (b))
#if defined(__BORLANDC__) || (defined(_MSC_VER) && _MSC_VER <= 1300)
# define ARCHIVE_LITERAL_LL(x) x##i64
# define ARCHIVE_LITERAL_ULL(x) x##ui64
#else
# define ARCHIVE_LITERAL_LL(x) x##ll
# define ARCHIVE_LITERAL_ULL(x) x##ull
#endif
#endif

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/*-
* Copyright (c) 2014 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if !defined(HAVE_ARC4RANDOM_BUF) && (!defined(_WIN32) || defined(__CYGWIN__))
#ifdef HAVE_FCNTL
#include <fcntl.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#endif
static void arc4random_buf(void *, size_t);
#endif /* HAVE_ARC4RANDOM_BUF */
#include "archive.h"
#include "archive_random_private.h"
#if defined(HAVE_WINCRYPT_H) && !defined(__CYGWIN__)
#include <wincrypt.h>
#endif
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#endif
/*
* Random number generator function.
* This simply calls arc4random_buf function if the platform provides it.
*/
int
archive_random(void *buf, size_t nbytes)
{
#if defined(_WIN32) && !defined(__CYGWIN__)
HCRYPTPROV hProv;
BOOL success;
success = CryptAcquireContext(&hProv, NULL, NULL, PROV_RSA_FULL,
CRYPT_VERIFYCONTEXT);
if (!success && GetLastError() == (DWORD)NTE_BAD_KEYSET) {
success = CryptAcquireContext(&hProv, NULL, NULL,
PROV_RSA_FULL, CRYPT_NEWKEYSET);
}
if (success) {
success = CryptGenRandom(hProv, (DWORD)nbytes, (BYTE*)buf);
CryptReleaseContext(hProv, 0);
if (success)
return ARCHIVE_OK;
}
/* TODO: Does this case really happen? */
return ARCHIVE_FAILED;
#else
arc4random_buf(buf, nbytes);
return ARCHIVE_OK;
#endif
}
#if !defined(HAVE_ARC4RANDOM_BUF) && (!defined(_WIN32) || defined(__CYGWIN__))
/* $OpenBSD: arc4random.c,v 1.24 2013/06/11 16:59:50 deraadt Exp $ */
/*
* Copyright (c) 1996, David Mazieres <dm@uun.org>
* Copyright (c) 2008, Damien Miller <djm@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Arc4 random number generator for OpenBSD.
*
* This code is derived from section 17.1 of Applied Cryptography,
* second edition, which describes a stream cipher allegedly
* compatible with RSA Labs "RC4" cipher (the actual description of
* which is a trade secret). The same algorithm is used as a stream
* cipher called "arcfour" in Tatu Ylonen's ssh package.
*
* RC4 is a registered trademark of RSA Laboratories.
*/
#ifdef __GNUC__
#define inline __inline
#else /* !__GNUC__ */
#define inline
#endif /* !__GNUC__ */
struct arc4_stream {
uint8_t i;
uint8_t j;
uint8_t s[256];
};
#define RANDOMDEV "/dev/urandom"
#define KEYSIZE 128
#ifdef HAVE_PTHREAD_H
static pthread_mutex_t arc4random_mtx = PTHREAD_MUTEX_INITIALIZER;
#define _ARC4_LOCK() pthread_mutex_lock(&arc4random_mtx);
#define _ARC4_UNLOCK() pthread_mutex_unlock(&arc4random_mtx);
#else
#define _ARC4_LOCK()
#define _ARC4_UNLOCK()
#endif
static int rs_initialized;
static struct arc4_stream rs;
static pid_t arc4_stir_pid;
static int arc4_count;
static inline uint8_t arc4_getbyte(void);
static void arc4_stir(void);
static inline void
arc4_init(void)
{
int n;
for (n = 0; n < 256; n++)
rs.s[n] = n;
rs.i = 0;
rs.j = 0;
}
static inline void
arc4_addrandom(u_char *dat, int datlen)
{
int n;
uint8_t si;
rs.i--;
for (n = 0; n < 256; n++) {
rs.i = (rs.i + 1);
si = rs.s[rs.i];
rs.j = (rs.j + si + dat[n % datlen]);
rs.s[rs.i] = rs.s[rs.j];
rs.s[rs.j] = si;
}
rs.j = rs.i;
}
static void
arc4_stir(void)
{
int done, fd, i;
struct {
struct timeval tv;
pid_t pid;
u_char rnd[KEYSIZE];
} rdat;
if (!rs_initialized) {
arc4_init();
rs_initialized = 1;
}
done = 0;
fd = open(RANDOMDEV, O_RDONLY | O_CLOEXEC, 0);
if (fd >= 0) {
if (read(fd, &rdat, KEYSIZE) == KEYSIZE)
done = 1;
(void)close(fd);
}
if (!done) {
(void)gettimeofday(&rdat.tv, NULL);
rdat.pid = getpid();
/* We'll just take whatever was on the stack too... */
}
arc4_addrandom((u_char *)&rdat, KEYSIZE);
/*
* Discard early keystream, as per recommendations in:
* "(Not So) Random Shuffles of RC4" by Ilya Mironov.
* As per the Network Operations Division, cryptographic requirements
* published on wikileaks on March 2017.
*/
for (i = 0; i < 3072; i++)
(void)arc4_getbyte();
arc4_count = 1600000;
}
static void
arc4_stir_if_needed(void)
{
pid_t pid = getpid();
if (arc4_count <= 0 || !rs_initialized || arc4_stir_pid != pid) {
arc4_stir_pid = pid;
arc4_stir();
}
}
static inline uint8_t
arc4_getbyte(void)
{
uint8_t si, sj;
rs.i = (rs.i + 1);
si = rs.s[rs.i];
rs.j = (rs.j + si);
sj = rs.s[rs.j];
rs.s[rs.i] = sj;
rs.s[rs.j] = si;
return (rs.s[(si + sj) & 0xff]);
}
static void
arc4random_buf(void *_buf, size_t n)
{
u_char *buf = (u_char *)_buf;
_ARC4_LOCK();
arc4_stir_if_needed();
while (n--) {
if (--arc4_count <= 0)
arc4_stir();
buf[n] = arc4_getbyte();
}
_ARC4_UNLOCK();
}
#endif /* !HAVE_ARC4RANDOM_BUF */

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/*-
* Copyright (c) 2014 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ARCHIVE_RANDOM_PRIVATE_H_INCLUDED
#define ARCHIVE_RANDOM_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
/* Random number generator. */
int archive_random(void *buf, size_t nbytes);
#endif /* ARCHIVE_RANDOM_PRIVATE_H_INCLUDED */

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/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas <matt@3am-software.com>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Based on: NetBSD: rb.c,v 1.6 2010/04/30 13:58:09 joerg Exp
*/
#include "archive_platform.h"
#include <stddef.h>
#include "archive_rb.h"
/* Keep in sync with archive_rb.h */
#define RB_DIR_LEFT 0
#define RB_DIR_RIGHT 1
#define RB_DIR_OTHER 1
#define rb_left rb_nodes[RB_DIR_LEFT]
#define rb_right rb_nodes[RB_DIR_RIGHT]
#define RB_FLAG_POSITION 0x2
#define RB_FLAG_RED 0x1
#define RB_FLAG_MASK (RB_FLAG_POSITION|RB_FLAG_RED)
#define RB_FATHER(rb) \
((struct archive_rb_node *)((rb)->rb_info & ~RB_FLAG_MASK))
#define RB_SET_FATHER(rb, father) \
((void)((rb)->rb_info = (uintptr_t)(father)|((rb)->rb_info & RB_FLAG_MASK)))
#define RB_SENTINEL_P(rb) ((rb) == NULL)
#define RB_LEFT_SENTINEL_P(rb) RB_SENTINEL_P((rb)->rb_left)
#define RB_RIGHT_SENTINEL_P(rb) RB_SENTINEL_P((rb)->rb_right)
#define RB_FATHER_SENTINEL_P(rb) RB_SENTINEL_P(RB_FATHER((rb)))
#define RB_CHILDLESS_P(rb) \
(RB_SENTINEL_P(rb) || (RB_LEFT_SENTINEL_P(rb) && RB_RIGHT_SENTINEL_P(rb)))
#define RB_TWOCHILDREN_P(rb) \
(!RB_SENTINEL_P(rb) && !RB_LEFT_SENTINEL_P(rb) && !RB_RIGHT_SENTINEL_P(rb))
#define RB_POSITION(rb) \
(((rb)->rb_info & RB_FLAG_POSITION) ? RB_DIR_RIGHT : RB_DIR_LEFT)
#define RB_RIGHT_P(rb) (RB_POSITION(rb) == RB_DIR_RIGHT)
#define RB_LEFT_P(rb) (RB_POSITION(rb) == RB_DIR_LEFT)
#define RB_RED_P(rb) (!RB_SENTINEL_P(rb) && ((rb)->rb_info & RB_FLAG_RED) != 0)
#define RB_BLACK_P(rb) (RB_SENTINEL_P(rb) || ((rb)->rb_info & RB_FLAG_RED) == 0)
#define RB_MARK_RED(rb) ((void)((rb)->rb_info |= RB_FLAG_RED))
#define RB_MARK_BLACK(rb) ((void)((rb)->rb_info &= ~RB_FLAG_RED))
#define RB_INVERT_COLOR(rb) ((void)((rb)->rb_info ^= RB_FLAG_RED))
#define RB_ROOT_P(rbt, rb) ((rbt)->rbt_root == (rb))
#define RB_SET_POSITION(rb, position) \
((void)((position) ? ((rb)->rb_info |= RB_FLAG_POSITION) : \
((rb)->rb_info &= ~RB_FLAG_POSITION)))
#define RB_ZERO_PROPERTIES(rb) ((void)((rb)->rb_info &= ~RB_FLAG_MASK))
#define RB_COPY_PROPERTIES(dst, src) \
((void)((dst)->rb_info ^= ((dst)->rb_info ^ (src)->rb_info) & RB_FLAG_MASK))
#define RB_SWAP_PROPERTIES(a, b) do { \
uintptr_t xorinfo = ((a)->rb_info ^ (b)->rb_info) & RB_FLAG_MASK; \
(a)->rb_info ^= xorinfo; \
(b)->rb_info ^= xorinfo; \
} while (/*CONSTCOND*/ 0)
static void __archive_rb_tree_insert_rebalance(struct archive_rb_tree *,
struct archive_rb_node *);
static void __archive_rb_tree_removal_rebalance(struct archive_rb_tree *,
struct archive_rb_node *, unsigned int);
#define RB_SENTINEL_NODE NULL
#define T 1
#define F 0
void
__archive_rb_tree_init(struct archive_rb_tree *rbt,
const struct archive_rb_tree_ops *ops)
{
rbt->rbt_ops = ops;
*((struct archive_rb_node **)&rbt->rbt_root) = RB_SENTINEL_NODE;
}
struct archive_rb_node *
__archive_rb_tree_find_node(struct archive_rb_tree *rbt, const void *key)
{
archive_rbto_compare_key_fn compare_key = rbt->rbt_ops->rbto_compare_key;
struct archive_rb_node *parent = rbt->rbt_root;
while (!RB_SENTINEL_P(parent)) {
const signed int diff = (*compare_key)(parent, key);
if (diff == 0)
return parent;
parent = parent->rb_nodes[diff > 0];
}
return NULL;
}
struct archive_rb_node *
__archive_rb_tree_find_node_geq(struct archive_rb_tree *rbt, const void *key)
{
archive_rbto_compare_key_fn compare_key = rbt->rbt_ops->rbto_compare_key;
struct archive_rb_node *parent = rbt->rbt_root;
struct archive_rb_node *last = NULL;
while (!RB_SENTINEL_P(parent)) {
const signed int diff = (*compare_key)(parent, key);
if (diff == 0)
return parent;
if (diff < 0)
last = parent;
parent = parent->rb_nodes[diff > 0];
}
return last;
}
struct archive_rb_node *
__archive_rb_tree_find_node_leq(struct archive_rb_tree *rbt, const void *key)
{
archive_rbto_compare_key_fn compare_key = rbt->rbt_ops->rbto_compare_key;
struct archive_rb_node *parent = rbt->rbt_root;
struct archive_rb_node *last = NULL;
while (!RB_SENTINEL_P(parent)) {
const signed int diff = (*compare_key)(parent, key);
if (diff == 0)
return parent;
if (diff > 0)
last = parent;
parent = parent->rb_nodes[diff > 0];
}
return last;
}
int
__archive_rb_tree_insert_node(struct archive_rb_tree *rbt,
struct archive_rb_node *self)
{
archive_rbto_compare_nodes_fn compare_nodes = rbt->rbt_ops->rbto_compare_nodes;
struct archive_rb_node *parent, *tmp;
unsigned int position;
int rebalance;
tmp = rbt->rbt_root;
/*
* This is a hack. Because rbt->rbt_root is just a
* struct archive_rb_node *, just like rb_node->rb_nodes[RB_DIR_LEFT],
* we can use this fact to avoid a lot of tests for root and know
* that even at root, updating
* RB_FATHER(rb_node)->rb_nodes[RB_POSITION(rb_node)] will
* update rbt->rbt_root.
*/
parent = (struct archive_rb_node *)(void *)&rbt->rbt_root;
position = RB_DIR_LEFT;
/*
* Find out where to place this new leaf.
*/
while (!RB_SENTINEL_P(tmp)) {
const signed int diff = (*compare_nodes)(tmp, self);
if (diff == 0) {
/*
* Node already exists; don't insert.
*/
return F;
}
parent = tmp;
position = (diff > 0);
tmp = parent->rb_nodes[position];
}
/*
* Initialize the node and insert as a leaf into the tree.
*/
RB_SET_FATHER(self, parent);
RB_SET_POSITION(self, position);
if (parent == (struct archive_rb_node *)(void *)&rbt->rbt_root) {
RB_MARK_BLACK(self); /* root is always black */
rebalance = F;
} else {
/*
* All new nodes are colored red. We only need to rebalance
* if our parent is also red.
*/
RB_MARK_RED(self);
rebalance = RB_RED_P(parent);
}
self->rb_left = parent->rb_nodes[position];
self->rb_right = parent->rb_nodes[position];
parent->rb_nodes[position] = self;
/*
* Rebalance tree after insertion
*/
if (rebalance)
__archive_rb_tree_insert_rebalance(rbt, self);
return T;
}
/*
* Swap the location and colors of 'self' and its child @ which. The child
* can not be a sentinel node. This is our rotation function. However,
* since it preserves coloring, it great simplifies both insertion and
* removal since rotation almost always involves the exchanging of colors
* as a separate step.
*/
/*ARGSUSED*/
static void
__archive_rb_tree_reparent_nodes(
struct archive_rb_node *old_father, const unsigned int which)
{
const unsigned int other = which ^ RB_DIR_OTHER;
struct archive_rb_node * const grandpa = RB_FATHER(old_father);
struct archive_rb_node * const old_child = old_father->rb_nodes[which];
struct archive_rb_node * const new_father = old_child;
struct archive_rb_node * const new_child = old_father;
if (new_father == NULL)
return;
/*
* Exchange descendant linkages.
*/
grandpa->rb_nodes[RB_POSITION(old_father)] = new_father;
new_child->rb_nodes[which] = old_child->rb_nodes[other];
new_father->rb_nodes[other] = new_child;
/*
* Update ancestor linkages
*/
RB_SET_FATHER(new_father, grandpa);
RB_SET_FATHER(new_child, new_father);
/*
* Exchange properties between new_father and new_child. The only
* change is that new_child's position is now on the other side.
*/
RB_SWAP_PROPERTIES(new_father, new_child);
RB_SET_POSITION(new_child, other);
/*
* Make sure to reparent the new child to ourself.
*/
if (!RB_SENTINEL_P(new_child->rb_nodes[which])) {
RB_SET_FATHER(new_child->rb_nodes[which], new_child);
RB_SET_POSITION(new_child->rb_nodes[which], which);
}
}
static void
__archive_rb_tree_insert_rebalance(struct archive_rb_tree *rbt,
struct archive_rb_node *self)
{
struct archive_rb_node * father = RB_FATHER(self);
struct archive_rb_node * grandpa;
struct archive_rb_node * uncle;
unsigned int which;
unsigned int other;
for (;;) {
/*
* We are red and our parent is red, therefore we must have a
* grandfather and he must be black.
*/
grandpa = RB_FATHER(father);
which = (father == grandpa->rb_right);
other = which ^ RB_DIR_OTHER;
uncle = grandpa->rb_nodes[other];
if (RB_BLACK_P(uncle))
break;
/*
* Case 1: our uncle is red
* Simply invert the colors of our parent and
* uncle and make our grandparent red. And
* then solve the problem up at his level.
*/
RB_MARK_BLACK(uncle);
RB_MARK_BLACK(father);
if (RB_ROOT_P(rbt, grandpa)) {
/*
* If our grandpa is root, don't bother
* setting him to red, just return.
*/
return;
}
RB_MARK_RED(grandpa);
self = grandpa;
father = RB_FATHER(self);
if (RB_BLACK_P(father)) {
/*
* If our great-grandpa is black, we're done.
*/
return;
}
}
/*
* Case 2&3: our uncle is black.
*/
if (self == father->rb_nodes[other]) {
/*
* Case 2: we are on the same side as our uncle
* Swap ourselves with our parent so this case
* becomes case 3. Basically our parent becomes our
* child.
*/
__archive_rb_tree_reparent_nodes(father, other);
}
/*
* Case 3: we are opposite a child of a black uncle.
* Swap our parent and grandparent. Since our grandfather
* is black, our father will become black and our new sibling
* (former grandparent) will become red.
*/
__archive_rb_tree_reparent_nodes(grandpa, which);
/*
* Final step: Set the root to black.
*/
RB_MARK_BLACK(rbt->rbt_root);
}
static void
__archive_rb_tree_prune_node(struct archive_rb_tree *rbt,
struct archive_rb_node *self, int rebalance)
{
const unsigned int which = RB_POSITION(self);
struct archive_rb_node *father = RB_FATHER(self);
/*
* Since we are childless, we know that self->rb_left is pointing
* to the sentinel node.
*/
father->rb_nodes[which] = self->rb_left;
/*
* Rebalance if requested.
*/
if (rebalance)
__archive_rb_tree_removal_rebalance(rbt, father, which);
}
/*
* When deleting an interior node
*/
static void
__archive_rb_tree_swap_prune_and_rebalance(struct archive_rb_tree *rbt,
struct archive_rb_node *self, struct archive_rb_node *standin)
{
const unsigned int standin_which = RB_POSITION(standin);
unsigned int standin_other = standin_which ^ RB_DIR_OTHER;
struct archive_rb_node *standin_son;
struct archive_rb_node *standin_father = RB_FATHER(standin);
int rebalance = RB_BLACK_P(standin);
if (standin_father == self) {
/*
* As a child of self, any children would be opposite of
* our parent.
*/
standin_son = standin->rb_nodes[standin_which];
} else {
/*
* Since we aren't a child of self, any children would be
* on the same side as our parent.
*/
standin_son = standin->rb_nodes[standin_other];
}
if (RB_RED_P(standin_son)) {
/*
* We know we have a red child so if we flip it to black
* we don't have to rebalance.
*/
RB_MARK_BLACK(standin_son);
rebalance = F;
if (standin_father != self) {
/*
* Change the son's parentage to point to his grandpa.
*/
RB_SET_FATHER(standin_son, standin_father);
RB_SET_POSITION(standin_son, standin_which);
}
}
if (standin_father == self) {
/*
* If we are about to delete the standin's father, then when
* we call rebalance, we need to use ourselves as our father.
* Otherwise remember our original father. Also, since we are
* our standin's father we only need to reparent the standin's
* brother.
*
* | R --> S |
* | Q S --> Q T |
* | t --> |
*
* Have our son/standin adopt his brother as his new son.
*/
standin_father = standin;
} else {
/*
* | R --> S . |
* | / \ | T --> / \ | / |
* | ..... | S --> ..... | T |
*
* Sever standin's connection to his father.
*/
standin_father->rb_nodes[standin_which] = standin_son;
/*
* Adopt the far son.
*/
standin->rb_nodes[standin_other] = self->rb_nodes[standin_other];
RB_SET_FATHER(standin->rb_nodes[standin_other], standin);
/*
* Use standin_other because we need to preserve standin_which
* for the removal_rebalance.
*/
standin_other = standin_which;
}
/*
* Move the only remaining son to our standin. If our standin is our
* son, this will be the only son needed to be moved.
*/
standin->rb_nodes[standin_other] = self->rb_nodes[standin_other];
RB_SET_FATHER(standin->rb_nodes[standin_other], standin);
/*
* Now copy the result of self to standin and then replace
* self with standin in the tree.
*/
RB_COPY_PROPERTIES(standin, self);
RB_SET_FATHER(standin, RB_FATHER(self));
RB_FATHER(standin)->rb_nodes[RB_POSITION(standin)] = standin;
if (rebalance)
__archive_rb_tree_removal_rebalance(rbt, standin_father, standin_which);
}
/*
* We could do this by doing
* __archive_rb_tree_node_swap(rbt, self, which);
* __archive_rb_tree_prune_node(rbt, self, F);
*
* But it's more efficient to just evaluate and recolor the child.
*/
static void
__archive_rb_tree_prune_blackred_branch(
struct archive_rb_node *self, unsigned int which)
{
struct archive_rb_node *father = RB_FATHER(self);
struct archive_rb_node *son = self->rb_nodes[which];
/*
* Remove ourselves from the tree and give our former child our
* properties (position, color, root).
*/
RB_COPY_PROPERTIES(son, self);
father->rb_nodes[RB_POSITION(son)] = son;
RB_SET_FATHER(son, father);
}
/*
*
*/
void
__archive_rb_tree_remove_node(struct archive_rb_tree *rbt,
struct archive_rb_node *self)
{
struct archive_rb_node *standin;
unsigned int which;
/*
* In the following diagrams, we (the node to be removed) are S. Red
* nodes are lowercase. T could be either red or black.
*
* Remember the major axiom of the red-black tree: the number of
* black nodes from the root to each leaf is constant across all
* leaves, only the number of red nodes varies.
*
* Thus removing a red leaf doesn't require any other changes to a
* red-black tree. So if we must remove a node, attempt to rearrange
* the tree so we can remove a red node.
*
* The simplest case is a childless red node or a childless root node:
*
* | T --> T | or | R --> * |
* | s --> * |
*/
if (RB_CHILDLESS_P(self)) {
const int rebalance = RB_BLACK_P(self) && !RB_ROOT_P(rbt, self);
__archive_rb_tree_prune_node(rbt, self, rebalance);
return;
}
if (!RB_TWOCHILDREN_P(self)) {
/*
* The next simplest case is the node we are deleting is
* black and has one red child.
*
* | T --> T --> T |
* | S --> R --> R |
* | r --> s --> * |
*/
which = RB_LEFT_SENTINEL_P(self) ? RB_DIR_RIGHT : RB_DIR_LEFT;
__archive_rb_tree_prune_blackred_branch(self, which);
return;
}
/*
* We invert these because we prefer to remove from the inside of
* the tree.
*/
which = RB_POSITION(self) ^ RB_DIR_OTHER;
/*
* Let's find the node closes to us opposite of our parent
* Now swap it with ourself, "prune" it, and rebalance, if needed.
*/
standin = __archive_rb_tree_iterate(rbt, self, which);
__archive_rb_tree_swap_prune_and_rebalance(rbt, self, standin);
}
static void
__archive_rb_tree_removal_rebalance(struct archive_rb_tree *rbt,
struct archive_rb_node *parent, unsigned int which)
{
while (RB_BLACK_P(parent->rb_nodes[which])) {
unsigned int other = which ^ RB_DIR_OTHER;
struct archive_rb_node *brother = parent->rb_nodes[other];
if (brother == NULL)
return;/* The tree may be broken. */
/*
* For cases 1, 2a, and 2b, our brother's children must
* be black and our father must be black
*/
if (RB_BLACK_P(parent)
&& RB_BLACK_P(brother->rb_left)
&& RB_BLACK_P(brother->rb_right)) {
if (RB_RED_P(brother)) {
/*
* Case 1: Our brother is red, swap its
* position (and colors) with our parent.
* This should now be case 2b (unless C or E
* has a red child which is case 3; thus no
* explicit branch to case 2b).
*
* B -> D
* A d -> b E
* C E -> A C
*/
__archive_rb_tree_reparent_nodes(parent, other);
brother = parent->rb_nodes[other];
if (brother == NULL)
return;/* The tree may be broken. */
} else {
/*
* Both our parent and brother are black.
* Change our brother to red, advance up rank
* and go through the loop again.
*
* B -> *B
* *A D -> A d
* C E -> C E
*/
RB_MARK_RED(brother);
if (RB_ROOT_P(rbt, parent))
return; /* root == parent == black */
which = RB_POSITION(parent);
parent = RB_FATHER(parent);
continue;
}
}
/*
* Avoid an else here so that case 2a above can hit either
* case 2b, 3, or 4.
*/
if (RB_RED_P(parent)
&& RB_BLACK_P(brother)
&& RB_BLACK_P(brother->rb_left)
&& RB_BLACK_P(brother->rb_right)) {
/*
* We are black, our father is red, our brother and
* both nephews are black. Simply invert/exchange the
* colors of our father and brother (to black and red
* respectively).
*
* | f --> F |
* | * B --> * b |
* | N N --> N N |
*/
RB_MARK_BLACK(parent);
RB_MARK_RED(brother);
break; /* We're done! */
} else {
/*
* Our brother must be black and have at least one
* red child (it may have two).
*/
if (RB_BLACK_P(brother->rb_nodes[other])) {
/*
* Case 3: our brother is black, our near
* nephew is red, and our far nephew is black.
* Swap our brother with our near nephew.
* This result in a tree that matches case 4.
* (Our father could be red or black).
*
* | F --> F |
* | x B --> x B |
* | n --> n |
*/
__archive_rb_tree_reparent_nodes(brother, which);
brother = parent->rb_nodes[other];
}
/*
* Case 4: our brother is black and our far nephew
* is red. Swap our father and brother locations and
* change our far nephew to black. (these can be
* done in either order so we change the color first).
* The result is a valid red-black tree and is a
* terminal case. (again we don't care about the
* father's color)
*
* If the father is red, we will get a red-black-black
* tree:
* | f -> f --> b |
* | B -> B --> F N |
* | n -> N --> |
*
* If the father is black, we will get an all black
* tree:
* | F -> F --> B |
* | B -> B --> F N |
* | n -> N --> |
*
* If we had two red nephews, then after the swap,
* our former father would have a red grandson.
*/
if (brother->rb_nodes[other] == NULL)
return;/* The tree may be broken. */
RB_MARK_BLACK(brother->rb_nodes[other]);
__archive_rb_tree_reparent_nodes(parent, other);
break; /* We're done! */
}
}
}
struct archive_rb_node *
__archive_rb_tree_iterate(struct archive_rb_tree *rbt,
struct archive_rb_node *self, const unsigned int direction)
{
const unsigned int other = direction ^ RB_DIR_OTHER;
if (self == NULL) {
self = rbt->rbt_root;
if (RB_SENTINEL_P(self))
return NULL;
while (!RB_SENTINEL_P(self->rb_nodes[direction]))
self = self->rb_nodes[direction];
return self;
}
/*
* We can't go any further in this direction. We proceed up in the
* opposite direction until our parent is in direction we want to go.
*/
if (RB_SENTINEL_P(self->rb_nodes[direction])) {
while (!RB_ROOT_P(rbt, self)) {
if (other == (unsigned int)RB_POSITION(self))
return RB_FATHER(self);
self = RB_FATHER(self);
}
return NULL;
}
/*
* Advance down one in current direction and go down as far as possible
* in the opposite direction.
*/
self = self->rb_nodes[direction];
while (!RB_SENTINEL_P(self->rb_nodes[other]))
self = self->rb_nodes[other];
return self;
}

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/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas <matt@3am-software.com>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Based on NetBSD: rb.h,v 1.13 2009/08/16 10:57:01 yamt Exp
*/
#ifndef ARCHIVE_RB_H_INCLUDED
#define ARCHIVE_RB_H_INCLUDED
struct archive_rb_node {
struct archive_rb_node *rb_nodes[2];
/*
* rb_info contains the two flags and the parent back pointer.
* We put the two flags in the low two bits since we know that
* rb_node will have an alignment of 4 or 8 bytes.
*/
uintptr_t rb_info;
};
#define ARCHIVE_RB_DIR_LEFT 0
#define ARCHIVE_RB_DIR_RIGHT 1
#define ARCHIVE_RB_TREE_MIN(T) \
__archive_rb_tree_iterate((T), NULL, ARCHIVE_RB_DIR_LEFT)
#define ARCHIVE_RB_TREE_MAX(T) \
__archive_rb_tree_iterate((T), NULL, ARCHIVE_RB_DIR_RIGHT)
#define ARCHIVE_RB_TREE_NEXT(T, N) \
__archive_rb_tree_iterate((T), (N), ARCHIVE_RB_DIR_RIGHT)
#define ARCHIVE_RB_TREE_PREV(T, N) \
__archive_rb_tree_iterate((T), (N), ARCHIVE_RB_DIR_LEFT)
#define ARCHIVE_RB_TREE_FOREACH(N, T) \
for ((N) = ARCHIVE_RB_TREE_MIN(T); (N); \
(N) = ARCHIVE_RB_TREE_NEXT((T), (N)))
#define ARCHIVE_RB_TREE_FOREACH_REVERSE(N, T) \
for ((N) = ARCHIVE_RB_TREE_MAX(T); (N); \
(N) = ARCHIVE_RB_TREE_PREV((T), (N)))
#define ARCHIVE_RB_TREE_FOREACH_SAFE(N, T, S) \
for ((N) = ARCHIVE_RB_TREE_MIN(T); \
(N) && ((S) = ARCHIVE_RB_TREE_NEXT((T), (N)), 1); \
(N) = (S))
#define ARCHIVE_RB_TREE_FOREACH_REVERSE_SAFE(N, T, S) \
for ((N) = ARCHIVE_RB_TREE_MAX(T); \
(N) && ((S) = ARCHIVE_RB_TREE_PREV((T), (N)), 1); \
(N) = (S))
/*
* archive_rbto_compare_nodes_fn:
* return a positive value if the first node < the second node.
* return a negative value if the first node > the second node.
* return 0 if they are considered same.
*
* archive_rbto_compare_key_fn:
* return a positive value if the node < the key.
* return a negative value if the node > the key.
* return 0 if they are considered same.
*/
typedef signed int (*const archive_rbto_compare_nodes_fn)(const struct archive_rb_node *,
const struct archive_rb_node *);
typedef signed int (*const archive_rbto_compare_key_fn)(const struct archive_rb_node *,
const void *);
struct archive_rb_tree_ops {
archive_rbto_compare_nodes_fn rbto_compare_nodes;
archive_rbto_compare_key_fn rbto_compare_key;
};
struct archive_rb_tree {
struct archive_rb_node *rbt_root;
const struct archive_rb_tree_ops *rbt_ops;
};
void __archive_rb_tree_init(struct archive_rb_tree *,
const struct archive_rb_tree_ops *);
int __archive_rb_tree_insert_node(struct archive_rb_tree *,
struct archive_rb_node *);
struct archive_rb_node *
__archive_rb_tree_find_node(struct archive_rb_tree *, const void *);
struct archive_rb_node *
__archive_rb_tree_find_node_geq(struct archive_rb_tree *, const void *);
struct archive_rb_node *
__archive_rb_tree_find_node_leq(struct archive_rb_tree *, const void *);
void __archive_rb_tree_remove_node(struct archive_rb_tree *, struct archive_rb_node *);
struct archive_rb_node *
__archive_rb_tree_iterate(struct archive_rb_tree *,
struct archive_rb_node *, const unsigned int);
#endif /* ARCHIVE_RB_H_*/

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/*-
* Copyright (c) 2014 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include "archive_read_private.h"
static void
add_passphrase_to_tail(struct archive_read *a,
struct archive_read_passphrase *p)
{
*a->passphrases.last = p;
a->passphrases.last = &p->next;
p->next = NULL;
}
static struct archive_read_passphrase *
remove_passphrases_from_head(struct archive_read *a)
{
struct archive_read_passphrase *p;
p = a->passphrases.first;
if (p != NULL)
a->passphrases.first = p->next;
return (p);
}
static void
insert_passphrase_to_head(struct archive_read *a,
struct archive_read_passphrase *p)
{
p->next = a->passphrases.first;
a->passphrases.first = p;
if (&a->passphrases.first == a->passphrases.last) {
a->passphrases.last = &p->next;
p->next = NULL;
}
}
static struct archive_read_passphrase *
new_read_passphrase(struct archive_read *a, const char *passphrase)
{
struct archive_read_passphrase *p;
p = malloc(sizeof(*p));
if (p == NULL) {
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory");
return (NULL);
}
p->passphrase = strdup(passphrase);
if (p->passphrase == NULL) {
free(p);
archive_set_error(&a->archive, ENOMEM,
"Can't allocate memory");
return (NULL);
}
return (p);
}
int
archive_read_add_passphrase(struct archive *_a, const char *passphrase)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_passphrase *p;
archive_check_magic(_a, ARCHIVE_READ_MAGIC, ARCHIVE_STATE_NEW,
"archive_read_add_passphrase");
if (passphrase == NULL || passphrase[0] == '\0') {
archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
"Empty passphrase is unacceptable");
return (ARCHIVE_FAILED);
}
p = new_read_passphrase(a, passphrase);
if (p == NULL)
return (ARCHIVE_FATAL);
add_passphrase_to_tail(a, p);
return (ARCHIVE_OK);
}
int
archive_read_set_passphrase_callback(struct archive *_a, void *client_data,
archive_passphrase_callback *cb)
{
struct archive_read *a = (struct archive_read *)_a;
archive_check_magic(_a, ARCHIVE_READ_MAGIC, ARCHIVE_STATE_NEW,
"archive_read_set_passphrase_callback");
a->passphrases.callback = cb;
a->passphrases.client_data = client_data;
return (ARCHIVE_OK);
}
/*
* Call this in advance when you start to get a passphrase for decryption
* for a entry.
*/
void
__archive_read_reset_passphrase(struct archive_read *a)
{
a->passphrases.candidate = -1;
}
/*
* Get a passphrase for decryption.
*/
const char *
__archive_read_next_passphrase(struct archive_read *a)
{
struct archive_read_passphrase *p;
const char *passphrase;
if (a->passphrases.candidate < 0) {
/* Count out how many passphrases we have. */
int cnt = 0;
for (p = a->passphrases.first; p != NULL; p = p->next)
cnt++;
a->passphrases.candidate = cnt;
p = a->passphrases.first;
} else if (a->passphrases.candidate > 1) {
/* Rotate a passphrase list. */
a->passphrases.candidate--;
p = remove_passphrases_from_head(a);
add_passphrase_to_tail(a, p);
/* Pick a new passphrase candidate up. */
p = a->passphrases.first;
} else if (a->passphrases.candidate == 1) {
/* This case is that all candidates failed to decrypt. */
a->passphrases.candidate = 0;
if (a->passphrases.first->next != NULL) {
/* Rotate a passphrase list. */
p = remove_passphrases_from_head(a);
add_passphrase_to_tail(a, p);
}
p = NULL;
} else /* There is no passphrase candidate. */
p = NULL;
if (p != NULL)
passphrase = p->passphrase;
else if (a->passphrases.callback != NULL) {
/* Get a passphrase through a call-back function
* since we tried all passphrases out or we don't
* have it. */
passphrase = a->passphrases.callback(&a->archive,
a->passphrases.client_data);
if (passphrase != NULL) {
p = new_read_passphrase(a, passphrase);
if (p == NULL)
return (NULL);
insert_passphrase_to_head(a, p);
a->passphrases.candidate = 1;
}
} else
passphrase = NULL;
return (passphrase);
}

204
3rdparty/libarchive/c/archive_read_append_filter.c vendored Normal file
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/*-
* Copyright (c) 2003-2012 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include "archive.h"
#include "archive_private.h"
#include "archive_read_private.h"
int
archive_read_append_filter(struct archive *_a, int code)
{
int r1, r2, number_bidders, i;
char str[20];
struct archive_read_filter_bidder *bidder;
struct archive_read_filter *filter;
struct archive_read *a = (struct archive_read *)_a;
r2 = (ARCHIVE_OK);
switch (code)
{
case ARCHIVE_FILTER_NONE:
/* No filter to add, so do nothing.
* NOTE: An initial "NONE" type filter is always set at the end of the
* filter chain.
*/
r1 = (ARCHIVE_OK);
break;
case ARCHIVE_FILTER_GZIP:
strcpy(str, "gzip");
r1 = archive_read_support_filter_gzip(_a);
break;
case ARCHIVE_FILTER_BZIP2:
strcpy(str, "bzip2");
r1 = archive_read_support_filter_bzip2(_a);
break;
case ARCHIVE_FILTER_COMPRESS:
strcpy(str, "compress (.Z)");
r1 = archive_read_support_filter_compress(_a);
break;
case ARCHIVE_FILTER_PROGRAM:
archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
"Cannot append program filter using archive_read_append_filter");
return (ARCHIVE_FATAL);
case ARCHIVE_FILTER_LZMA:
strcpy(str, "lzma");
r1 = archive_read_support_filter_lzma(_a);
break;
case ARCHIVE_FILTER_XZ:
strcpy(str, "xz");
r1 = archive_read_support_filter_xz(_a);
break;
case ARCHIVE_FILTER_UU:
strcpy(str, "uu");
r1 = archive_read_support_filter_uu(_a);
break;
case ARCHIVE_FILTER_RPM:
strcpy(str, "rpm");
r1 = archive_read_support_filter_rpm(_a);
break;
case ARCHIVE_FILTER_LZ4:
strcpy(str, "lz4");
r1 = archive_read_support_filter_lz4(_a);
break;
case ARCHIVE_FILTER_ZSTD:
strcpy(str, "zstd");
r1 = archive_read_support_filter_zstd(_a);
break;
case ARCHIVE_FILTER_LZIP:
strcpy(str, "lzip");
r1 = archive_read_support_filter_lzip(_a);
break;
case ARCHIVE_FILTER_LRZIP:
strcpy(str, "lrzip");
r1 = archive_read_support_filter_lrzip(_a);
break;
default:
archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
"Invalid filter code specified");
return (ARCHIVE_FATAL);
}
if (code != ARCHIVE_FILTER_NONE)
{
number_bidders = sizeof(a->bidders) / sizeof(a->bidders[0]);
bidder = a->bidders;
for (i = 0; i < number_bidders; i++, bidder++)
{
if (!bidder->name || !strcmp(bidder->name, str))
break;
}
if (!bidder->name || strcmp(bidder->name, str))
{
archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
"Internal error: Unable to append filter");
return (ARCHIVE_FATAL);
}
filter
= (struct archive_read_filter *)calloc(1, sizeof(*filter));
if (filter == NULL)
{
archive_set_error(&a->archive, ENOMEM, "Out of memory");
return (ARCHIVE_FATAL);
}
filter->bidder = bidder;
filter->archive = a;
filter->upstream = a->filter;
a->filter = filter;
r2 = (bidder->init)(a->filter);
if (r2 != ARCHIVE_OK) {
__archive_read_free_filters(a);
return (ARCHIVE_FATAL);
}
}
a->bypass_filter_bidding = 1;
return (r1 < r2) ? r1 : r2;
}
int
archive_read_append_filter_program(struct archive *_a, const char *cmd)
{
return (archive_read_append_filter_program_signature(_a, cmd, NULL, 0));
}
int
archive_read_append_filter_program_signature(struct archive *_a,
const char *cmd, const void *signature, size_t signature_len)
{
int r, number_bidders, i;
struct archive_read_filter_bidder *bidder;
struct archive_read_filter *filter;
struct archive_read *a = (struct archive_read *)_a;
if (archive_read_support_filter_program_signature(_a, cmd, signature,
signature_len) != (ARCHIVE_OK))
return (ARCHIVE_FATAL);
number_bidders = sizeof(a->bidders) / sizeof(a->bidders[0]);
bidder = a->bidders;
for (i = 0; i < number_bidders; i++, bidder++)
{
/* Program bidder name set to filter name after initialization */
if (bidder->data && !bidder->name)
break;
}
if (!bidder->data)
{
archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
"Internal error: Unable to append program filter");
return (ARCHIVE_FATAL);
}
filter
= (struct archive_read_filter *)calloc(1, sizeof(*filter));
if (filter == NULL)
{
archive_set_error(&a->archive, ENOMEM, "Out of memory");
return (ARCHIVE_FATAL);
}
filter->bidder = bidder;
filter->archive = a;
filter->upstream = a->filter;
a->filter = filter;
r = (bidder->init)(a->filter);
if (r != ARCHIVE_OK) {
__archive_read_free_filters(a);
return (ARCHIVE_FATAL);
}
bidder->name = a->filter->name;
a->bypass_filter_bidding = 1;
return r;
}

139
3rdparty/libarchive/c/archive_read_data_into_fd.c vendored Normal file
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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: src/lib/libarchive/archive_read_data_into_fd.c,v 1.16 2008/05/23 05:01:29 cperciva Exp $");
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "archive.h"
#include "archive_private.h"
/* Maximum amount of data to write at one time. */
#define MAX_WRITE (1024 * 1024)
/*
* This implementation minimizes copying of data and is sparse-file aware.
*/
static int
pad_to(struct archive *a, int fd, int can_lseek,
size_t nulls_size, const char *nulls,
int64_t target_offset, int64_t actual_offset)
{
size_t to_write;
ssize_t bytes_written;
if (can_lseek) {
actual_offset = lseek(fd,
target_offset - actual_offset, SEEK_CUR);
if (actual_offset != target_offset) {
archive_set_error(a, errno, "Seek error");
return (ARCHIVE_FATAL);
}
return (ARCHIVE_OK);
}
while (target_offset > actual_offset) {
to_write = nulls_size;
if (target_offset < actual_offset + (int64_t)nulls_size)
to_write = (size_t)(target_offset - actual_offset);
bytes_written = write(fd, nulls, to_write);
if (bytes_written < 0) {
archive_set_error(a, errno, "Write error");
return (ARCHIVE_FATAL);
}
actual_offset += bytes_written;
}
return (ARCHIVE_OK);
}
int
archive_read_data_into_fd(struct archive *a, int fd)
{
struct stat st;
int r, r2;
const void *buff;
size_t size, bytes_to_write;
ssize_t bytes_written;
int64_t target_offset;
int64_t actual_offset = 0;
int can_lseek;
char *nulls = NULL;
size_t nulls_size = 16384;
archive_check_magic(a, ARCHIVE_READ_MAGIC, ARCHIVE_STATE_DATA,
"archive_read_data_into_fd");
can_lseek = (fstat(fd, &st) == 0) && S_ISREG(st.st_mode);
if (!can_lseek)
nulls = calloc(1, nulls_size);
while ((r = archive_read_data_block(a, &buff, &size, &target_offset)) ==
ARCHIVE_OK) {
const char *p = buff;
if (target_offset > actual_offset) {
r = pad_to(a, fd, can_lseek, nulls_size, nulls,
target_offset, actual_offset);
if (r != ARCHIVE_OK)
break;
actual_offset = target_offset;
}
while (size > 0) {
bytes_to_write = size;
if (bytes_to_write > MAX_WRITE)
bytes_to_write = MAX_WRITE;
bytes_written = write(fd, p, bytes_to_write);
if (bytes_written < 0) {
archive_set_error(a, errno, "Write error");
r = ARCHIVE_FATAL;
goto cleanup;
}
actual_offset += bytes_written;
p += bytes_written;
size -= bytes_written;
}
}
if (r == ARCHIVE_EOF && target_offset > actual_offset) {
r2 = pad_to(a, fd, can_lseek, nulls_size, nulls,
target_offset, actual_offset);
if (r2 != ARCHIVE_OK)
r = r2;
}
cleanup:
free(nulls);
if (r != ARCHIVE_EOF)
return (r);
return (ARCHIVE_OK);
}

1044
3rdparty/libarchive/c/archive_read_disk_entry_from_file.c vendored Normal file
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2722
3rdparty/libarchive/c/archive_read_disk_posix.c vendored Normal file
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3rdparty/libarchive/c/archive_read_disk_private.h vendored Normal file
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/*-
* Copyright (c) 2003-2009 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: head/lib/libarchive/archive_read_disk_private.h 201105 2009-12-28 03:20:54Z kientzle $
*/
#ifndef ARCHIVE_READ_DISK_PRIVATE_H_INCLUDED
#define ARCHIVE_READ_DISK_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
#include "archive_platform_acl.h"
struct tree;
struct archive_entry;
struct archive_read_disk {
struct archive archive;
/* Reused by archive_read_next_header() */
struct archive_entry *entry;
/*
* Symlink mode is one of 'L'ogical, 'P'hysical, or 'H'ybrid,
* following an old BSD convention. 'L' follows all symlinks,
* 'P' follows none, 'H' follows symlinks only for the first
* item.
*/
char symlink_mode;
/*
* Since symlink interaction changes, we need to track whether
* we're following symlinks for the current item. 'L' mode above
* sets this true, 'P' sets it false, 'H' changes it as we traverse.
*/
char follow_symlinks; /* Either 'L' or 'P'. */
/* Directory traversals. */
struct tree *tree;
int (*open_on_current_dir)(struct tree*, const char *, int);
int (*tree_current_dir_fd)(struct tree*);
int (*tree_enter_working_dir)(struct tree*);
/* Bitfield with ARCHIVE_READDISK_* tunables */
int flags;
const char * (*lookup_gname)(void *private, int64_t gid);
void (*cleanup_gname)(void *private);
void *lookup_gname_data;
const char * (*lookup_uname)(void *private, int64_t uid);
void (*cleanup_uname)(void *private);
void *lookup_uname_data;
int (*metadata_filter_func)(struct archive *, void *,
struct archive_entry *);
void *metadata_filter_data;
/* ARCHIVE_MATCH object. */
struct archive *matching;
/* Callback function, this will be invoked when ARCHIVE_MATCH
* archive_match_*_excluded_ae return true. */
void (*excluded_cb_func)(struct archive *, void *,
struct archive_entry *);
void *excluded_cb_data;
};
const char *
archive_read_disk_entry_setup_path(struct archive_read_disk *,
struct archive_entry *, int *);
int
archive_read_disk_entry_setup_acls(struct archive_read_disk *,
struct archive_entry *, int *);
#endif

313
3rdparty/libarchive/c/archive_read_disk_set_standard_lookup.c vendored Normal file
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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: head/lib/libarchive/archive_read_disk_set_standard_lookup.c 201109 2009-12-28 03:30:31Z kientzle $");
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_GRP_H
#include <grp.h>
#endif
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "archive.h"
#if defined(_WIN32) && !defined(__CYGWIN__)
int
archive_read_disk_set_standard_lookup(struct archive *a)
{
archive_set_error(a, -1, "Standard lookups not available on Windows");
return (ARCHIVE_FATAL);
}
#else /* ! (_WIN32 && !__CYGWIN__) */
#define name_cache_size 127
static const char * const NO_NAME = "(noname)";
struct name_cache {
struct archive *archive;
char *buff;
size_t buff_size;
int probes;
int hits;
size_t size;
struct {
id_t id;
const char *name;
} cache[name_cache_size];
};
static const char * lookup_gname(void *, int64_t);
static const char * lookup_uname(void *, int64_t);
static void cleanup(void *);
static const char * lookup_gname_helper(struct name_cache *, id_t gid);
static const char * lookup_uname_helper(struct name_cache *, id_t uid);
/*
* Installs functions that use getpwuid()/getgrgid()---along with
* a simple cache to accelerate such lookups---into the archive_read_disk
* object. This is in a separate file because getpwuid()/getgrgid()
* can pull in a LOT of library code (including NIS/LDAP functions, which
* pull in DNS resolvers, etc). This can easily top 500kB, which makes
* it inappropriate for some space-constrained applications.
*
* Applications that are size-sensitive may want to just use the
* real default functions (defined in archive_read_disk.c) that just
* use the uid/gid without the lookup. Or define your own custom functions
* if you prefer.
*/
int
archive_read_disk_set_standard_lookup(struct archive *a)
{
struct name_cache *ucache = malloc(sizeof(struct name_cache));
struct name_cache *gcache = malloc(sizeof(struct name_cache));
if (ucache == NULL || gcache == NULL) {
archive_set_error(a, ENOMEM,
"Can't allocate uname/gname lookup cache");
free(ucache);
free(gcache);
return (ARCHIVE_FATAL);
}
memset(ucache, 0, sizeof(*ucache));
ucache->archive = a;
ucache->size = name_cache_size;
memset(gcache, 0, sizeof(*gcache));
gcache->archive = a;
gcache->size = name_cache_size;
archive_read_disk_set_gname_lookup(a, gcache, lookup_gname, cleanup);
archive_read_disk_set_uname_lookup(a, ucache, lookup_uname, cleanup);
return (ARCHIVE_OK);
}
static void
cleanup(void *data)
{
struct name_cache *cache = (struct name_cache *)data;
size_t i;
if (cache != NULL) {
for (i = 0; i < cache->size; i++) {
if (cache->cache[i].name != NULL &&
cache->cache[i].name != NO_NAME)
free((void *)(uintptr_t)cache->cache[i].name);
}
free(cache->buff);
free(cache);
}
}
/*
* Lookup uid/gid from uname/gname, return NULL if no match.
*/
static const char *
lookup_name(struct name_cache *cache,
const char * (*lookup_fn)(struct name_cache *, id_t), id_t id)
{
const char *name;
int slot;
cache->probes++;
slot = id % cache->size;
if (cache->cache[slot].name != NULL) {
if (cache->cache[slot].id == id) {
cache->hits++;
if (cache->cache[slot].name == NO_NAME)
return (NULL);
return (cache->cache[slot].name);
}
if (cache->cache[slot].name != NO_NAME)
free((void *)(uintptr_t)cache->cache[slot].name);
cache->cache[slot].name = NULL;
}
name = (lookup_fn)(cache, id);
if (name == NULL) {
/* Cache and return the negative response. */
cache->cache[slot].name = NO_NAME;
cache->cache[slot].id = id;
return (NULL);
}
cache->cache[slot].name = name;
cache->cache[slot].id = id;
return (cache->cache[slot].name);
}
static const char *
lookup_uname(void *data, int64_t uid)
{
struct name_cache *uname_cache = (struct name_cache *)data;
return (lookup_name(uname_cache,
&lookup_uname_helper, (id_t)uid));
}
#if HAVE_GETPWUID_R
static const char *
lookup_uname_helper(struct name_cache *cache, id_t id)
{
struct passwd pwent, *result;
char * nbuff;
size_t nbuff_size;
int r;
if (cache->buff_size == 0) {
cache->buff_size = 256;
cache->buff = malloc(cache->buff_size);
}
if (cache->buff == NULL)
return (NULL);
for (;;) {
result = &pwent; /* Old getpwuid_r ignores last arg. */
r = getpwuid_r((uid_t)id, &pwent,
cache->buff, cache->buff_size, &result);
if (r == 0)
break;
if (r != ERANGE)
break;
/* ERANGE means our buffer was too small, but POSIX
* doesn't tell us how big the buffer should be, so
* we just double it and try again. Because the buffer
* is kept around in the cache object, we shouldn't
* have to do this very often. */
nbuff_size = cache->buff_size * 2;
nbuff = realloc(cache->buff, nbuff_size);
if (nbuff == NULL)
break;
cache->buff = nbuff;
cache->buff_size = nbuff_size;
}
if (r != 0) {
archive_set_error(cache->archive, errno,
"Can't lookup user for id %d", (int)id);
return (NULL);
}
if (result == NULL)
return (NULL);
return strdup(result->pw_name);
}
#else
static const char *
lookup_uname_helper(struct name_cache *cache, id_t id)
{
struct passwd *result;
(void)cache; /* UNUSED */
result = getpwuid((uid_t)id);
if (result == NULL)
return (NULL);
return strdup(result->pw_name);
}
#endif
static const char *
lookup_gname(void *data, int64_t gid)
{
struct name_cache *gname_cache = (struct name_cache *)data;
return (lookup_name(gname_cache,
&lookup_gname_helper, (id_t)gid));
}
#if HAVE_GETGRGID_R
static const char *
lookup_gname_helper(struct name_cache *cache, id_t id)
{
struct group grent, *result;
char * nbuff;
size_t nbuff_size;
int r;
if (cache->buff_size == 0) {
cache->buff_size = 256;
cache->buff = malloc(cache->buff_size);
}
if (cache->buff == NULL)
return (NULL);
for (;;) {
result = &grent; /* Old getgrgid_r ignores last arg. */
r = getgrgid_r((gid_t)id, &grent,
cache->buff, cache->buff_size, &result);
if (r == 0)
break;
if (r != ERANGE)
break;
/* ERANGE means our buffer was too small, but POSIX
* doesn't tell us how big the buffer should be, so
* we just double it and try again. */
nbuff_size = cache->buff_size * 2;
nbuff = realloc(cache->buff, nbuff_size);
if (nbuff == NULL)
break;
cache->buff = nbuff;
cache->buff_size = nbuff_size;
}
if (r != 0) {
archive_set_error(cache->archive, errno,
"Can't lookup group for id %d", (int)id);
return (NULL);
}
if (result == NULL)
return (NULL);
return strdup(result->gr_name);
}
#else
static const char *
lookup_gname_helper(struct name_cache *cache, id_t id)
{
struct group *result;
(void)cache; /* UNUSED */
result = getgrgid((gid_t)id);
if (result == NULL)
return (NULL);
return strdup(result->gr_name);
}
#endif
#endif /* ! (_WIN32 && !__CYGWIN__) */

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: src/lib/libarchive/archive_read_extract.c,v 1.61 2008/05/26 17:00:22 kientzle Exp $");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include "archive.h"
#include "archive_entry.h"
#include "archive_private.h"
#include "archive_read_private.h"
int
archive_read_extract(struct archive *_a, struct archive_entry *entry, int flags)
{
struct archive_read_extract *extract;
struct archive_read * a = (struct archive_read *)_a;
extract = __archive_read_get_extract(a);
if (extract == NULL)
return (ARCHIVE_FATAL);
/* If we haven't initialized the archive_write_disk object, do it now. */
if (extract->ad == NULL) {
extract->ad = archive_write_disk_new();
if (extract->ad == NULL) {
archive_set_error(&a->archive, ENOMEM, "Can't extract");
return (ARCHIVE_FATAL);
}
archive_write_disk_set_standard_lookup(extract->ad);
}
archive_write_disk_set_options(extract->ad, flags);
return (archive_read_extract2(&a->archive, entry, extract->ad));
}

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: src/lib/libarchive/archive_read_extract.c,v 1.61 2008/05/26 17:00:22 kientzle Exp $");
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "archive.h"
#include "archive_entry.h"
#include "archive_private.h"
#include "archive_read_private.h"
static int copy_data(struct archive *ar, struct archive *aw);
static int archive_read_extract_cleanup(struct archive_read *);
/* Retrieve an extract object without initialising the associated
* archive_write_disk object.
*/
struct archive_read_extract *
__archive_read_get_extract(struct archive_read *a)
{
if (a->extract == NULL) {
a->extract = (struct archive_read_extract *)calloc(1, sizeof(*a->extract));
if (a->extract == NULL) {
archive_set_error(&a->archive, ENOMEM, "Can't extract");
return (NULL);
}
a->cleanup_archive_extract = archive_read_extract_cleanup;
}
return (a->extract);
}
/*
* Cleanup function for archive_extract.
*/
static int
archive_read_extract_cleanup(struct archive_read *a)
{
int ret = ARCHIVE_OK;
if (a->extract->ad != NULL) {
ret = archive_write_free(a->extract->ad);
}
free(a->extract);
a->extract = NULL;
return (ret);
}
int
archive_read_extract2(struct archive *_a, struct archive_entry *entry,
struct archive *ad)
{
struct archive_read *a = (struct archive_read *)_a;
int r, r2;
/* Set up for this particular entry. */
if (a->skip_file_set)
archive_write_disk_set_skip_file(ad,
a->skip_file_dev, a->skip_file_ino);
r = archive_write_header(ad, entry);
if (r < ARCHIVE_WARN)
r = ARCHIVE_WARN;
if (r != ARCHIVE_OK)
/* If _write_header failed, copy the error. */
archive_copy_error(&a->archive, ad);
else if (!archive_entry_size_is_set(entry) || archive_entry_size(entry) > 0)
/* Otherwise, pour data into the entry. */
r = copy_data(_a, ad);
r2 = archive_write_finish_entry(ad);
if (r2 < ARCHIVE_WARN)
r2 = ARCHIVE_WARN;
/* Use the first message. */
if (r2 != ARCHIVE_OK && r == ARCHIVE_OK)
archive_copy_error(&a->archive, ad);
/* Use the worst error return. */
if (r2 < r)
r = r2;
return (r);
}
void
archive_read_extract_set_progress_callback(struct archive *_a,
void (*progress_func)(void *), void *user_data)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_extract *extract = __archive_read_get_extract(a);
if (extract != NULL) {
extract->extract_progress = progress_func;
extract->extract_progress_user_data = user_data;
}
}
static int
copy_data(struct archive *ar, struct archive *aw)
{
int64_t offset;
const void *buff;
struct archive_read_extract *extract;
size_t size;
int r;
extract = __archive_read_get_extract((struct archive_read *)ar);
if (extract == NULL)
return (ARCHIVE_FATAL);
for (;;) {
r = archive_read_data_block(ar, &buff, &size, &offset);
if (r == ARCHIVE_EOF)
return (ARCHIVE_OK);
if (r != ARCHIVE_OK)
return (r);
r = (int)archive_write_data_block(aw, buff, size, offset);
if (r < ARCHIVE_WARN)
r = ARCHIVE_WARN;
if (r < ARCHIVE_OK) {
archive_set_error(ar, archive_errno(aw),
"%s", archive_error_string(aw));
return (r);
}
if (extract->extract_progress)
(extract->extract_progress)
(extract->extract_progress_user_data);
}
}

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: head/lib/libarchive/archive_read_open_fd.c 201103 2009-12-28 03:13:49Z kientzle $");
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_IO_H
#include <io.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "archive.h"
struct read_fd_data {
int fd;
size_t block_size;
char use_lseek;
void *buffer;
};
static int file_close(struct archive *, void *);
static ssize_t file_read(struct archive *, void *, const void **buff);
static int64_t file_seek(struct archive *, void *, int64_t request, int);
static int64_t file_skip(struct archive *, void *, int64_t request);
int
archive_read_open_fd(struct archive *a, int fd, size_t block_size)
{
struct stat st;
struct read_fd_data *mine;
void *b;
archive_clear_error(a);
if (fstat(fd, &st) != 0) {
archive_set_error(a, errno, "Can't stat fd %d", fd);
return (ARCHIVE_FATAL);
}
mine = (struct read_fd_data *)calloc(1, sizeof(*mine));
b = malloc(block_size);
if (mine == NULL || b == NULL) {
archive_set_error(a, ENOMEM, "No memory");
free(mine);
free(b);
return (ARCHIVE_FATAL);
}
mine->block_size = block_size;
mine->buffer = b;
mine->fd = fd;
/*
* Skip support is a performance optimization for anything
* that supports lseek(). On FreeBSD, only regular files and
* raw disk devices support lseek() and there's no portable
* way to determine if a device is a raw disk device, so we
* only enable this optimization for regular files.
*/
if (S_ISREG(st.st_mode)) {
archive_read_extract_set_skip_file(a, st.st_dev, st.st_ino);
mine->use_lseek = 1;
}
#if defined(__CYGWIN__) || defined(_WIN32)
setmode(mine->fd, O_BINARY);
#endif
archive_read_set_read_callback(a, file_read);
archive_read_set_skip_callback(a, file_skip);
archive_read_set_seek_callback(a, file_seek);
archive_read_set_close_callback(a, file_close);
archive_read_set_callback_data(a, mine);
return (archive_read_open1(a));
}
static ssize_t
file_read(struct archive *a, void *client_data, const void **buff)
{
struct read_fd_data *mine = (struct read_fd_data *)client_data;
ssize_t bytes_read;
*buff = mine->buffer;
for (;;) {
bytes_read = read(mine->fd, mine->buffer, mine->block_size);
if (bytes_read < 0) {
if (errno == EINTR)
continue;
archive_set_error(a, errno, "Error reading fd %d",
mine->fd);
}
return (bytes_read);
}
}
static int64_t
file_skip(struct archive *a, void *client_data, int64_t request)
{
struct read_fd_data *mine = (struct read_fd_data *)client_data;
int64_t skip = request;
int64_t old_offset, new_offset;
int skip_bits = sizeof(skip) * 8 - 1; /* off_t is a signed type. */
if (!mine->use_lseek)
return (0);
/* Reduce a request that would overflow the 'skip' variable. */
if (sizeof(request) > sizeof(skip)) {
int64_t max_skip =
(((int64_t)1 << (skip_bits - 1)) - 1) * 2 + 1;
if (request > max_skip)
skip = max_skip;
}
/* Reduce request to the next smallest multiple of block_size */
request = (request / mine->block_size) * mine->block_size;
if (request == 0)
return (0);
if (((old_offset = lseek(mine->fd, 0, SEEK_CUR)) >= 0) &&
((new_offset = lseek(mine->fd, skip, SEEK_CUR)) >= 0))
return (new_offset - old_offset);
/* If seek failed once, it will probably fail again. */
mine->use_lseek = 0;
/* Let libarchive recover with read+discard. */
if (errno == ESPIPE)
return (0);
/*
* There's been an error other than ESPIPE. This is most
* likely caused by a programmer error (too large request)
* or a corrupted archive file.
*/
archive_set_error(a, errno, "Error seeking");
return (-1);
}
/*
* TODO: Store the offset and use it in the read callback.
*/
static int64_t
file_seek(struct archive *a, void *client_data, int64_t request, int whence)
{
struct read_fd_data *mine = (struct read_fd_data *)client_data;
int64_t r;
/* We use off_t here because lseek() is declared that way. */
/* See above for notes about when off_t is less than 64 bits. */
r = lseek(mine->fd, request, whence);
if (r >= 0)
return r;
if (errno == ESPIPE) {
archive_set_error(a, errno,
"A file descriptor(%d) is not seekable(PIPE)", mine->fd);
return (ARCHIVE_FAILED);
} else {
/* If the input is corrupted or truncated, fail. */
archive_set_error(a, errno,
"Error seeking in a file descriptor(%d)", mine->fd);
return (ARCHIVE_FATAL);
}
}
static int
file_close(struct archive *a, void *client_data)
{
struct read_fd_data *mine = (struct read_fd_data *)client_data;
(void)a; /* UNUSED */
free(mine->buffer);
free(mine);
return (ARCHIVE_OK);
}

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: head/lib/libarchive/archive_read_open_file.c 201093 2009-12-28 02:28:44Z kientzle $");
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_IO_H
#include <io.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "archive.h"
struct read_FILE_data {
FILE *f;
size_t block_size;
void *buffer;
char can_skip;
};
static int file_close(struct archive *, void *);
static ssize_t file_read(struct archive *, void *, const void **buff);
static int64_t file_skip(struct archive *, void *, int64_t request);
int
archive_read_open_FILE(struct archive *a, FILE *f)
{
struct stat st;
struct read_FILE_data *mine;
size_t block_size = 128 * 1024;
void *b;
archive_clear_error(a);
mine = (struct read_FILE_data *)malloc(sizeof(*mine));
b = malloc(block_size);
if (mine == NULL || b == NULL) {
archive_set_error(a, ENOMEM, "No memory");
free(mine);
free(b);
return (ARCHIVE_FATAL);
}
mine->block_size = block_size;
mine->buffer = b;
mine->f = f;
/*
* If we can't fstat() the file, it may just be that it's not
* a file. (On some platforms, FILE * objects can wrap I/O
* streams that don't support fileno()). As a result, fileno()
* should be used cautiously.)
*/
if (fstat(fileno(mine->f), &st) == 0 && S_ISREG(st.st_mode)) {
archive_read_extract_set_skip_file(a, st.st_dev, st.st_ino);
/* Enable the seek optimization only for regular files. */
mine->can_skip = 1;
} else
mine->can_skip = 0;
#if defined(__CYGWIN__) || defined(_WIN32)
setmode(fileno(mine->f), O_BINARY);
#endif
archive_read_set_read_callback(a, file_read);
archive_read_set_skip_callback(a, file_skip);
archive_read_set_close_callback(a, file_close);
archive_read_set_callback_data(a, mine);
return (archive_read_open1(a));
}
static ssize_t
file_read(struct archive *a, void *client_data, const void **buff)
{
struct read_FILE_data *mine = (struct read_FILE_data *)client_data;
size_t bytes_read;
*buff = mine->buffer;
bytes_read = fread(mine->buffer, 1, mine->block_size, mine->f);
if (bytes_read < mine->block_size && ferror(mine->f)) {
archive_set_error(a, errno, "Error reading file");
}
return (bytes_read);
}
static int64_t
file_skip(struct archive *a, void *client_data, int64_t request)
{
struct read_FILE_data *mine = (struct read_FILE_data *)client_data;
#if HAVE_FSEEKO
off_t skip = (off_t)request;
#elif HAVE__FSEEKI64
int64_t skip = request;
#else
long skip = (long)request;
#endif
int skip_bits = sizeof(skip) * 8 - 1;
(void)a; /* UNUSED */
/*
* If we can't skip, return 0 as the amount we did step and
* the caller will work around by reading and discarding.
*/
if (!mine->can_skip)
return (0);
if (request == 0)
return (0);
/* If request is too big for a long or an off_t, reduce it. */
if (sizeof(request) > sizeof(skip)) {
int64_t max_skip =
(((int64_t)1 << (skip_bits - 1)) - 1) * 2 + 1;
if (request > max_skip)
skip = max_skip;
}
#ifdef __ANDROID__
/* fileno() isn't safe on all platforms ... see above. */
if (lseek(fileno(mine->f), skip, SEEK_CUR) < 0)
#elif HAVE_FSEEKO
if (fseeko(mine->f, skip, SEEK_CUR) != 0)
#elif HAVE__FSEEKI64
if (_fseeki64(mine->f, skip, SEEK_CUR) != 0)
#else
if (fseek(mine->f, skip, SEEK_CUR) != 0)
#endif
{
mine->can_skip = 0;
return (0);
}
return (request);
}
static int
file_close(struct archive *a, void *client_data)
{
struct read_FILE_data *mine = (struct read_FILE_data *)client_data;
(void)a; /* UNUSED */
free(mine->buffer);
free(mine);
return (ARCHIVE_OK);
}

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3rdparty/libarchive/c/archive_read_open_filename.c vendored Normal file
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/*-
* Copyright (c) 2003-2010 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: head/lib/libarchive/archive_read_open_filename.c 201093 2009-12-28 02:28:44Z kientzle $");
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_IO_H
#include <io.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
#include <sys/disk.h>
#elif defined(__NetBSD__) || defined(__OpenBSD__)
#include <sys/disklabel.h>
#include <sys/dkio.h>
#elif defined(__DragonFly__)
#include <sys/diskslice.h>
#endif
#include "archive.h"
#include "archive_private.h"
#include "archive_string.h"
#ifndef O_BINARY
#define O_BINARY 0
#endif
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#endif
struct read_file_data {
int fd;
size_t block_size;
void *buffer;
mode_t st_mode; /* Mode bits for opened file. */
char use_lseek;
enum fnt_e { FNT_STDIN, FNT_MBS, FNT_WCS } filename_type;
union {
char m[1];/* MBS filename. */
wchar_t w[1];/* WCS filename. */
} filename; /* Must be last! */
};
static int file_open(struct archive *, void *);
static int file_close(struct archive *, void *);
static int file_close2(struct archive *, void *);
static int file_switch(struct archive *, void *, void *);
static ssize_t file_read(struct archive *, void *, const void **buff);
static int64_t file_seek(struct archive *, void *, int64_t request, int);
static int64_t file_skip(struct archive *, void *, int64_t request);
static int64_t file_skip_lseek(struct archive *, void *, int64_t request);
int
archive_read_open_file(struct archive *a, const char *filename,
size_t block_size)
{
return (archive_read_open_filename(a, filename, block_size));
}
int
archive_read_open_filename(struct archive *a, const char *filename,
size_t block_size)
{
const char *filenames[2];
filenames[0] = filename;
filenames[1] = NULL;
return archive_read_open_filenames(a, filenames, block_size);
}
int
archive_read_open_filenames(struct archive *a, const char **filenames,
size_t block_size)
{
struct read_file_data *mine;
const char *filename = NULL;
if (filenames)
filename = *(filenames++);
archive_clear_error(a);
do
{
if (filename == NULL)
filename = "";
mine = (struct read_file_data *)calloc(1,
sizeof(*mine) + strlen(filename));
if (mine == NULL)
goto no_memory;
strcpy(mine->filename.m, filename);
mine->block_size = block_size;
mine->fd = -1;
mine->buffer = NULL;
mine->st_mode = mine->use_lseek = 0;
if (filename == NULL || filename[0] == '\0') {
mine->filename_type = FNT_STDIN;
} else
mine->filename_type = FNT_MBS;
if (archive_read_append_callback_data(a, mine) != (ARCHIVE_OK))
return (ARCHIVE_FATAL);
if (filenames == NULL)
break;
filename = *(filenames++);
} while (filename != NULL && filename[0] != '\0');
archive_read_set_open_callback(a, file_open);
archive_read_set_read_callback(a, file_read);
archive_read_set_skip_callback(a, file_skip);
archive_read_set_close_callback(a, file_close);
archive_read_set_switch_callback(a, file_switch);
archive_read_set_seek_callback(a, file_seek);
return (archive_read_open1(a));
no_memory:
archive_set_error(a, ENOMEM, "No memory");
return (ARCHIVE_FATAL);
}
int
archive_read_open_filename_w(struct archive *a, const wchar_t *wfilename,
size_t block_size)
{
struct read_file_data *mine = (struct read_file_data *)calloc(1,
sizeof(*mine) + wcslen(wfilename) * sizeof(wchar_t));
if (!mine)
{
archive_set_error(a, ENOMEM, "No memory");
return (ARCHIVE_FATAL);
}
mine->fd = -1;
mine->block_size = block_size;
if (wfilename == NULL || wfilename[0] == L'\0') {
mine->filename_type = FNT_STDIN;
} else {
#if defined(_WIN32) && !defined(__CYGWIN__)
mine->filename_type = FNT_WCS;
wcscpy(mine->filename.w, wfilename);
#else
/*
* POSIX system does not support a wchar_t interface for
* open() system call, so we have to translate a wchar_t
* filename to multi-byte one and use it.
*/
struct archive_string fn;
archive_string_init(&fn);
if (archive_string_append_from_wcs(&fn, wfilename,
wcslen(wfilename)) != 0) {
if (errno == ENOMEM)
archive_set_error(a, errno,
"Can't allocate memory");
else
archive_set_error(a, EINVAL,
"Failed to convert a wide-character"
" filename to a multi-byte filename");
archive_string_free(&fn);
free(mine);
return (ARCHIVE_FATAL);
}
mine->filename_type = FNT_MBS;
strcpy(mine->filename.m, fn.s);
archive_string_free(&fn);
#endif
}
if (archive_read_append_callback_data(a, mine) != (ARCHIVE_OK))
return (ARCHIVE_FATAL);
archive_read_set_open_callback(a, file_open);
archive_read_set_read_callback(a, file_read);
archive_read_set_skip_callback(a, file_skip);
archive_read_set_close_callback(a, file_close);
archive_read_set_switch_callback(a, file_switch);
archive_read_set_seek_callback(a, file_seek);
return (archive_read_open1(a));
}
static int
file_open(struct archive *a, void *client_data)
{
struct stat st;
struct read_file_data *mine = (struct read_file_data *)client_data;
void *buffer;
const char *filename = NULL;
#if defined(_WIN32) && !defined(__CYGWIN__)
const wchar_t *wfilename = NULL;
#endif
int fd = -1;
int is_disk_like = 0;
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
off_t mediasize = 0; /* FreeBSD-specific, so off_t okay here. */
#elif defined(__NetBSD__) || defined(__OpenBSD__)
struct disklabel dl;
#elif defined(__DragonFly__)
struct partinfo pi;
#endif
archive_clear_error(a);
if (mine->filename_type == FNT_STDIN) {
/* We used to delegate stdin support by
* directly calling archive_read_open_fd(a,0,block_size)
* here, but that doesn't (and shouldn't) handle the
* end-of-file flush when reading stdout from a pipe.
* Basically, read_open_fd() is intended for folks who
* are willing to handle such details themselves. This
* API is intended to be a little smarter for folks who
* want easy handling of the common case.
*/
fd = 0;
#if defined(__CYGWIN__) || defined(_WIN32)
setmode(0, O_BINARY);
#endif
filename = "";
} else if (mine->filename_type == FNT_MBS) {
filename = mine->filename.m;
fd = open(filename, O_RDONLY | O_BINARY | O_CLOEXEC);
__archive_ensure_cloexec_flag(fd);
if (fd < 0) {
archive_set_error(a, errno,
"Failed to open '%s'", filename);
return (ARCHIVE_FATAL);
}
} else {
#if defined(_WIN32) && !defined(__CYGWIN__)
wfilename = mine->filename.w;
fd = _wopen(wfilename, O_RDONLY | O_BINARY);
if (fd < 0 && errno == ENOENT) {
wchar_t *fullpath;
fullpath = __la_win_permissive_name_w(wfilename);
if (fullpath != NULL) {
fd = _wopen(fullpath, O_RDONLY | O_BINARY);
free(fullpath);
}
}
if (fd < 0) {
archive_set_error(a, errno,
"Failed to open '%S'", wfilename);
return (ARCHIVE_FATAL);
}
#else
archive_set_error(a, ARCHIVE_ERRNO_MISC,
"Unexpedted operation in archive_read_open_filename");
goto fail;
#endif
}
if (fstat(fd, &st) != 0) {
#if defined(_WIN32) && !defined(__CYGWIN__)
if (mine->filename_type == FNT_WCS)
archive_set_error(a, errno, "Can't stat '%S'",
wfilename);
else
#endif
archive_set_error(a, errno, "Can't stat '%s'",
filename);
goto fail;
}
/*
* Determine whether the input looks like a disk device or a
* tape device. The results are used below to select an I/O
* strategy:
* = "disk-like" devices support arbitrary lseek() and will
* support I/O requests of any size. So we get easy skipping
* and can cheat on block sizes to get better performance.
* = "tape-like" devices require strict blocking and use
* specialized ioctls for seeking.
* = "socket-like" devices cannot seek at all but can improve
* performance by using nonblocking I/O to read "whatever is
* available right now".
*
* Right now, we only specially recognize disk-like devices,
* but it should be straightforward to add probes and strategy
* here for tape-like and socket-like devices.
*/
if (S_ISREG(st.st_mode)) {
/* Safety: Tell the extractor not to overwrite the input. */
archive_read_extract_set_skip_file(a, st.st_dev, st.st_ino);
/* Regular files act like disks. */
is_disk_like = 1;
}
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
/* FreeBSD: if it supports DIOCGMEDIASIZE ioctl, it's disk-like. */
else if (S_ISCHR(st.st_mode) &&
ioctl(fd, DIOCGMEDIASIZE, &mediasize) == 0 &&
mediasize > 0) {
is_disk_like = 1;
}
#elif defined(__NetBSD__) || defined(__OpenBSD__)
/* Net/OpenBSD: if it supports DIOCGDINFO ioctl, it's disk-like. */
else if ((S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode)) &&
ioctl(fd, DIOCGDINFO, &dl) == 0 &&
dl.d_partitions[DISKPART(st.st_rdev)].p_size > 0) {
is_disk_like = 1;
}
#elif defined(__DragonFly__)
/* DragonFly BSD: if it supports DIOCGPART ioctl, it's disk-like. */
else if (S_ISCHR(st.st_mode) &&
ioctl(fd, DIOCGPART, &pi) == 0 &&
pi.media_size > 0) {
is_disk_like = 1;
}
#elif defined(__linux__)
/* Linux: All block devices are disk-like. */
else if (S_ISBLK(st.st_mode) &&
lseek(fd, 0, SEEK_CUR) == 0 &&
lseek(fd, 0, SEEK_SET) == 0 &&
lseek(fd, 0, SEEK_END) > 0 &&
lseek(fd, 0, SEEK_SET) == 0) {
is_disk_like = 1;
}
#endif
/* TODO: Add an "is_tape_like" variable and appropriate tests. */
/* Disk-like devices prefer power-of-two block sizes. */
/* Use provided block_size as a guide so users have some control. */
if (is_disk_like) {
size_t new_block_size = 64 * 1024;
while (new_block_size < mine->block_size
&& new_block_size < 64 * 1024 * 1024)
new_block_size *= 2;
mine->block_size = new_block_size;
}
buffer = malloc(mine->block_size);
if (buffer == NULL) {
archive_set_error(a, ENOMEM, "No memory");
goto fail;
}
mine->buffer = buffer;
mine->fd = fd;
/* Remember mode so close can decide whether to flush. */
mine->st_mode = st.st_mode;
/* Disk-like inputs can use lseek(). */
if (is_disk_like)
mine->use_lseek = 1;
return (ARCHIVE_OK);
fail:
/*
* Don't close file descriptors not opened or ones pointing referring
* to `FNT_STDIN`.
*/
if (fd != -1 && fd != 0)
close(fd);
return (ARCHIVE_FATAL);
}
static ssize_t
file_read(struct archive *a, void *client_data, const void **buff)
{
struct read_file_data *mine = (struct read_file_data *)client_data;
ssize_t bytes_read;
/* TODO: If a recent lseek() operation has left us
* mis-aligned, read and return a short block to try to get
* us back in alignment. */
/* TODO: Someday, try mmap() here; if that succeeds, give
* the entire file to libarchive as a single block. That
* could be a lot faster than block-by-block manual I/O. */
/* TODO: We might be able to improve performance on pipes and
* sockets by setting non-blocking I/O and just accepting
* whatever we get here instead of waiting for a full block
* worth of data. */
*buff = mine->buffer;
for (;;) {
bytes_read = read(mine->fd, mine->buffer, mine->block_size);
if (bytes_read < 0) {
if (errno == EINTR)
continue;
else if (mine->filename_type == FNT_STDIN)
archive_set_error(a, errno,
"Error reading stdin");
else if (mine->filename_type == FNT_MBS)
archive_set_error(a, errno,
"Error reading '%s'", mine->filename.m);
else
archive_set_error(a, errno,
"Error reading '%S'", mine->filename.w);
}
return (bytes_read);
}
}
/*
* Regular files and disk-like block devices can use simple lseek
* without needing to round the request to the block size.
*
* TODO: This can leave future reads mis-aligned. Since we know the
* offset here, we should store it and use it in file_read() above
* to determine whether we should perform a short read to get back
* into alignment. Long series of mis-aligned reads can negatively
* impact disk throughput. (Of course, the performance impact should
* be carefully tested; extra code complexity is only worthwhile if
* it does provide measurable improvement.)
*
* TODO: Be lazy about the actual seek. There are a few pathological
* cases where libarchive makes a bunch of seek requests in a row
* without any intervening reads. This isn't a huge performance
* problem, since the kernel handles seeks lazily already, but
* it would be very slightly faster if we simply remembered the
* seek request here and then actually performed the seek at the
* top of the read callback above.
*/
static int64_t
file_skip_lseek(struct archive *a, void *client_data, int64_t request)
{
struct read_file_data *mine = (struct read_file_data *)client_data;
#if defined(_WIN32) && !defined(__CYGWIN__)
/* We use _lseeki64() on Windows. */
int64_t old_offset, new_offset;
#else
off_t old_offset, new_offset;
#endif
/* We use off_t here because lseek() is declared that way. */
/* TODO: Deal with case where off_t isn't 64 bits.
* This shouldn't be a problem on Linux or other POSIX
* systems, since the configuration logic for libarchive
* tries to obtain a 64-bit off_t.
*/
if ((old_offset = lseek(mine->fd, 0, SEEK_CUR)) >= 0 &&
(new_offset = lseek(mine->fd, request, SEEK_CUR)) >= 0)
return (new_offset - old_offset);
/* If lseek() fails, don't bother trying again. */
mine->use_lseek = 0;
/* Let libarchive recover with read+discard */
if (errno == ESPIPE)
return (0);
/* If the input is corrupted or truncated, fail. */
if (mine->filename_type == FNT_STDIN)
archive_set_error(a, errno, "Error seeking in stdin");
else if (mine->filename_type == FNT_MBS)
archive_set_error(a, errno, "Error seeking in '%s'",
mine->filename.m);
else
archive_set_error(a, errno, "Error seeking in '%S'",
mine->filename.w);
return (-1);
}
/*
* TODO: Implement another file_skip_XXXX that uses MTIO ioctls to
* accelerate operation on tape drives.
*/
static int64_t
file_skip(struct archive *a, void *client_data, int64_t request)
{
struct read_file_data *mine = (struct read_file_data *)client_data;
/* Delegate skip requests. */
if (mine->use_lseek)
return (file_skip_lseek(a, client_data, request));
/* If we can't skip, return 0; libarchive will read+discard instead. */
return (0);
}
/*
* TODO: Store the offset and use it in the read callback.
*/
static int64_t
file_seek(struct archive *a, void *client_data, int64_t request, int whence)
{
struct read_file_data *mine = (struct read_file_data *)client_data;
int64_t r;
/* We use off_t here because lseek() is declared that way. */
/* See above for notes about when off_t is less than 64 bits. */
r = lseek(mine->fd, request, whence);
if (r >= 0)
return r;
/* If the input is corrupted or truncated, fail. */
if (mine->filename_type == FNT_STDIN)
archive_set_error(a, errno, "Error seeking in stdin");
else if (mine->filename_type == FNT_MBS)
archive_set_error(a, errno, "Error seeking in '%s'",
mine->filename.m);
else
archive_set_error(a, errno, "Error seeking in '%S'",
mine->filename.w);
return (ARCHIVE_FATAL);
}
static int
file_close2(struct archive *a, void *client_data)
{
struct read_file_data *mine = (struct read_file_data *)client_data;
(void)a; /* UNUSED */
/* Only flush and close if open succeeded. */
if (mine->fd >= 0) {
/*
* Sometimes, we should flush the input before closing.
* Regular files: faster to just close without flush.
* Disk-like devices: Ditto.
* Tapes: must not flush (user might need to
* read the "next" item on a non-rewind device).
* Pipes and sockets: must flush (otherwise, the
* program feeding the pipe or socket may complain).
* Here, I flush everything except for regular files and
* device nodes.
*/
if (!S_ISREG(mine->st_mode)
&& !S_ISCHR(mine->st_mode)
&& !S_ISBLK(mine->st_mode)) {
ssize_t bytesRead;
do {
bytesRead = read(mine->fd, mine->buffer,
mine->block_size);
} while (bytesRead > 0);
}
/* If a named file was opened, then it needs to be closed. */
if (mine->filename_type != FNT_STDIN)
close(mine->fd);
}
free(mine->buffer);
mine->buffer = NULL;
mine->fd = -1;
return (ARCHIVE_OK);
}
static int
file_close(struct archive *a, void *client_data)
{
struct read_file_data *mine = (struct read_file_data *)client_data;
file_close2(a, client_data);
free(mine);
return (ARCHIVE_OK);
}
static int
file_switch(struct archive *a, void *client_data1, void *client_data2)
{
file_close2(a, client_data1);
return file_open(a, client_data2);
}

186
3rdparty/libarchive/c/archive_read_open_memory.c vendored Normal file
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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD: src/lib/libarchive/archive_read_open_memory.c,v 1.6 2007/07/06 15:51:59 kientzle Exp $");
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "archive.h"
/*
* Glue to read an archive from a block of memory.
*
* This is mostly a huge help in building test harnesses;
* test programs can build archives in memory and read them
* back again without having to mess with files on disk.
*/
struct read_memory_data {
const unsigned char *start;
const unsigned char *p;
const unsigned char *end;
ssize_t read_size;
};
static int memory_read_close(struct archive *, void *);
static int memory_read_open(struct archive *, void *);
static int64_t memory_read_seek(struct archive *, void *, int64_t offset, int whence);
static int64_t memory_read_skip(struct archive *, void *, int64_t request);
static ssize_t memory_read(struct archive *, void *, const void **buff);
int
archive_read_open_memory(struct archive *a, const void *buff, size_t size)
{
return archive_read_open_memory2(a, buff, size, size);
}
/*
* Don't use _open_memory2() in production code; the archive_read_open_memory()
* version is the one you really want. This is just here so that
* test harnesses can exercise block operations inside the library.
*/
int
archive_read_open_memory2(struct archive *a, const void *buff,
size_t size, size_t read_size)
{
struct read_memory_data *mine;
mine = (struct read_memory_data *)calloc(1, sizeof(*mine));
if (mine == NULL) {
archive_set_error(a, ENOMEM, "No memory");
return (ARCHIVE_FATAL);
}
mine->start = mine->p = (const unsigned char *)buff;
mine->end = mine->start + size;
mine->read_size = read_size;
archive_read_set_open_callback(a, memory_read_open);
archive_read_set_read_callback(a, memory_read);
archive_read_set_seek_callback(a, memory_read_seek);
archive_read_set_skip_callback(a, memory_read_skip);
archive_read_set_close_callback(a, memory_read_close);
archive_read_set_callback_data(a, mine);
return (archive_read_open1(a));
}
/*
* There's nothing to open.
*/
static int
memory_read_open(struct archive *a, void *client_data)
{
(void)a; /* UNUSED */
(void)client_data; /* UNUSED */
return (ARCHIVE_OK);
}
/*
* This is scary simple: Just advance a pointer. Limiting
* to read_size is not technically necessary, but it exercises
* more of the internal logic when used with a small block size
* in a test harness. Production use should not specify a block
* size; then this is much faster.
*/
static ssize_t
memory_read(struct archive *a, void *client_data, const void **buff)
{
struct read_memory_data *mine = (struct read_memory_data *)client_data;
ssize_t size;
(void)a; /* UNUSED */
*buff = mine->p;
size = mine->end - mine->p;
if (size > mine->read_size)
size = mine->read_size;
mine->p += size;
return (size);
}
/*
* Advancing is just as simple. Again, this is doing more than
* necessary in order to better exercise internal code when used
* as a test harness.
*/
static int64_t
memory_read_skip(struct archive *a, void *client_data, int64_t skip)
{
struct read_memory_data *mine = (struct read_memory_data *)client_data;
(void)a; /* UNUSED */
if ((int64_t)skip > (int64_t)(mine->end - mine->p))
skip = mine->end - mine->p;
/* Round down to block size. */
skip /= mine->read_size;
skip *= mine->read_size;
mine->p += skip;
return (skip);
}
/*
* Seeking.
*/
static int64_t
memory_read_seek(struct archive *a, void *client_data, int64_t offset, int whence)
{
struct read_memory_data *mine = (struct read_memory_data *)client_data;
(void)a; /* UNUSED */
switch (whence) {
case SEEK_SET:
mine->p = mine->start + offset;
break;
case SEEK_CUR:
mine->p += offset;
break;
case SEEK_END:
mine->p = mine->end + offset;
break;
default:
return ARCHIVE_FATAL;
}
if (mine->p < mine->start) {
mine->p = mine->start;
return ARCHIVE_FAILED;
}
if (mine->p > mine->end) {
mine->p = mine->end;
return ARCHIVE_FAILED;
}
return (mine->p - mine->start);
}
/*
* Close is just cleaning up our one small bit of data.
*/
static int
memory_read_close(struct archive *a, void *client_data)
{
struct read_memory_data *mine = (struct read_memory_data *)client_data;
(void)a; /* UNUSED */
free(mine);
return (ARCHIVE_OK);
}

266
3rdparty/libarchive/c/archive_read_private.h vendored Normal file
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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: head/lib/libarchive/archive_read_private.h 201088 2009-12-28 02:18:55Z kientzle $
*/
#ifndef ARCHIVE_READ_PRIVATE_H_INCLUDED
#define ARCHIVE_READ_PRIVATE_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#ifndef __LIBARCHIVE_TEST
#error This header is only to be used internally to libarchive.
#endif
#endif
#include "archive.h"
#include "archive_string.h"
#include "archive_private.h"
struct archive_read;
struct archive_read_filter_bidder;
struct archive_read_filter;
/*
* How bidding works for filters:
* * The bid manager initializes the client-provided reader as the
* first filter.
* * It invokes the bidder for each registered filter with the
* current head filter.
* * The bidders can use archive_read_filter_ahead() to peek ahead
* at the incoming data to compose their bids.
* * The bid manager creates a new filter structure for the winning
* bidder and gives the winning bidder a chance to initialize it.
* * The new filter becomes the new top filter and we repeat the
* process.
* This ends only when no bidder provides a non-zero bid. Then
* we perform a similar dance with the registered format handlers.
*/
struct archive_read_filter_bidder {
/* Configuration data for the bidder. */
void *data;
/* Name of the filter */
const char *name;
/* Taste the upstream filter to see if we handle this. */
int (*bid)(struct archive_read_filter_bidder *,
struct archive_read_filter *);
/* Initialize a newly-created filter. */
int (*init)(struct archive_read_filter *);
/* Set an option for the filter bidder. */
int (*options)(struct archive_read_filter_bidder *,
const char *key, const char *value);
/* Release the bidder's configuration data. */
int (*free)(struct archive_read_filter_bidder *);
};
/*
* This structure is allocated within the archive_read core
* and initialized by archive_read and the init() method of the
* corresponding bidder above.
*/
struct archive_read_filter {
int64_t position;
/* Essentially all filters will need these values, so
* just declare them here. */
struct archive_read_filter_bidder *bidder; /* My bidder. */
struct archive_read_filter *upstream; /* Who I read from. */
struct archive_read *archive; /* Associated archive. */
/* Open a block for reading */
int (*open)(struct archive_read_filter *self);
/* Return next block. */
ssize_t (*read)(struct archive_read_filter *, const void **);
/* Skip forward this many bytes. */
int64_t (*skip)(struct archive_read_filter *self, int64_t request);
/* Seek to an absolute location. */
int64_t (*seek)(struct archive_read_filter *self, int64_t offset, int whence);
/* Close (just this filter) and free(self). */
int (*close)(struct archive_read_filter *self);
/* Function that handles switching from reading one block to the next/prev */
int (*sswitch)(struct archive_read_filter *self, unsigned int iindex);
/* Read any header metadata if available. */
int (*read_header)(struct archive_read_filter *self, struct archive_entry *entry);
/* My private data. */
void *data;
const char *name;
int code;
/* Used by reblocking logic. */
char *buffer;
size_t buffer_size;
char *next; /* Current read location. */
size_t avail; /* Bytes in my buffer. */
const void *client_buff; /* Client buffer information. */
size_t client_total;
const char *client_next;
size_t client_avail;
char end_of_file;
char closed;
char fatal;
};
/*
* The client looks a lot like a filter, so we just wrap it here.
*
* TODO: Make archive_read_filter and archive_read_client identical so
* that users of the library can easily register their own
* transformation filters. This will probably break the API/ABI and
* so should be deferred at least until libarchive 3.0.
*/
struct archive_read_data_node {
int64_t begin_position;
int64_t total_size;
void *data;
};
struct archive_read_client {
archive_open_callback *opener;
archive_read_callback *reader;
archive_skip_callback *skipper;
archive_seek_callback *seeker;
archive_close_callback *closer;
archive_switch_callback *switcher;
unsigned int nodes;
unsigned int cursor;
int64_t position;
struct archive_read_data_node *dataset;
};
struct archive_read_passphrase {
char *passphrase;
struct archive_read_passphrase *next;
};
struct archive_read_extract {
struct archive *ad; /* archive_write_disk object */
/* Progress function invoked during extract. */
void (*extract_progress)(void *);
void *extract_progress_user_data;
};
struct archive_read {
struct archive archive;
struct archive_entry *entry;
/* Dev/ino of the archive being read/written. */
int skip_file_set;
int64_t skip_file_dev;
int64_t skip_file_ino;
/* Callbacks to open/read/write/close client archive streams. */
struct archive_read_client client;
/* Registered filter bidders. */
struct archive_read_filter_bidder bidders[16];
/* Last filter in chain */
struct archive_read_filter *filter;
/* Whether to bypass filter bidding process */
int bypass_filter_bidding;
/* File offset of beginning of most recently-read header. */
int64_t header_position;
/* Nodes and offsets of compressed data block */
unsigned int data_start_node;
unsigned int data_end_node;
/*
* Format detection is mostly the same as compression
* detection, with one significant difference: The bidders
* use the read_ahead calls above to examine the stream rather
* than having the supervisor hand them a block of data to
* examine.
*/
struct archive_format_descriptor {
void *data;
const char *name;
int (*bid)(struct archive_read *, int best_bid);
int (*options)(struct archive_read *, const char *key,
const char *value);
int (*read_header)(struct archive_read *, struct archive_entry *);
int (*read_data)(struct archive_read *, const void **, size_t *, int64_t *);
int (*read_data_skip)(struct archive_read *);
int64_t (*seek_data)(struct archive_read *, int64_t, int);
int (*cleanup)(struct archive_read *);
int (*format_capabilties)(struct archive_read *);
int (*has_encrypted_entries)(struct archive_read *);
} formats[16];
struct archive_format_descriptor *format; /* Active format. */
/*
* Various information needed by archive_extract.
*/
struct archive_read_extract *extract;
int (*cleanup_archive_extract)(struct archive_read *);
/*
* Decryption passphrase.
*/
struct {
struct archive_read_passphrase *first;
struct archive_read_passphrase **last;
int candidate;
archive_passphrase_callback *callback;
void *client_data;
} passphrases;
};
int __archive_read_register_format(struct archive_read *a,
void *format_data,
const char *name,
int (*bid)(struct archive_read *, int),
int (*options)(struct archive_read *, const char *, const char *),
int (*read_header)(struct archive_read *, struct archive_entry *),
int (*read_data)(struct archive_read *, const void **, size_t *, int64_t *),
int (*read_data_skip)(struct archive_read *),
int64_t (*seek_data)(struct archive_read *, int64_t, int),
int (*cleanup)(struct archive_read *),
int (*format_capabilities)(struct archive_read *),
int (*has_encrypted_entries)(struct archive_read *));
int __archive_read_get_bidder(struct archive_read *a,
struct archive_read_filter_bidder **bidder);
const void *__archive_read_ahead(struct archive_read *, size_t, ssize_t *);
const void *__archive_read_filter_ahead(struct archive_read_filter *,
size_t, ssize_t *);
int64_t __archive_read_seek(struct archive_read*, int64_t, int);
int64_t __archive_read_filter_seek(struct archive_read_filter *, int64_t, int);
int64_t __archive_read_consume(struct archive_read *, int64_t);
int64_t __archive_read_filter_consume(struct archive_read_filter *, int64_t);
int __archive_read_header(struct archive_read *, struct archive_entry *);
int __archive_read_program(struct archive_read_filter *, const char *);
void __archive_read_free_filters(struct archive_read *);
struct archive_read_extract *__archive_read_get_extract(struct archive_read *);
/*
* Get a decryption passphrase.
*/
void __archive_read_reset_passphrase(struct archive_read *a);
const char * __archive_read_next_passphrase(struct archive_read *a);
#endif

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/*-
* Copyright (c) 2003-2012 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include "archive.h"
#include "archive_private.h"
#include "archive_read_private.h"
int
archive_read_set_format(struct archive *_a, int code)
{
int r1, r2, slots, i;
char str[10];
struct archive_read *a = (struct archive_read *)_a;
if ((r1 = archive_read_support_format_by_code(_a, code)) < (ARCHIVE_OK))
return r1;
r1 = r2 = (ARCHIVE_OK);
if (a->format)
r2 = (ARCHIVE_WARN);
switch (code & ARCHIVE_FORMAT_BASE_MASK)
{
case ARCHIVE_FORMAT_7ZIP:
strcpy(str, "7zip");
break;
case ARCHIVE_FORMAT_AR:
strcpy(str, "ar");
break;
case ARCHIVE_FORMAT_CAB:
strcpy(str, "cab");
break;
case ARCHIVE_FORMAT_CPIO:
strcpy(str, "cpio");
break;
case ARCHIVE_FORMAT_ISO9660:
strcpy(str, "iso9660");
break;
case ARCHIVE_FORMAT_LHA:
strcpy(str, "lha");
break;
case ARCHIVE_FORMAT_MTREE:
strcpy(str, "mtree");
break;
case ARCHIVE_FORMAT_RAR:
strcpy(str, "rar");
break;
case ARCHIVE_FORMAT_RAR_V5:
strcpy(str, "rar5");
break;
case ARCHIVE_FORMAT_TAR:
strcpy(str, "tar");
break;
case ARCHIVE_FORMAT_XAR:
strcpy(str, "xar");
break;
case ARCHIVE_FORMAT_ZIP:
strcpy(str, "zip");
break;
default:
archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
"Invalid format code specified");
return (ARCHIVE_FATAL);
}
slots = sizeof(a->formats) / sizeof(a->formats[0]);
a->format = &(a->formats[0]);
for (i = 0; i < slots; i++, a->format++) {
if (!a->format->name || !strcmp(a->format->name, str))
break;
}
if (!a->format->name || strcmp(a->format->name, str))
{
archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
"Internal error: Unable to set format");
r1 = (ARCHIVE_FATAL);
}
return (r1 < r2) ? r1 : r2;
}

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/*-
* Copyright (c) 2011 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#include "archive_read_private.h"
#include "archive_options_private.h"
static int archive_set_format_option(struct archive *a,
const char *m, const char *o, const char *v);
static int archive_set_filter_option(struct archive *a,
const char *m, const char *o, const char *v);
static int archive_set_option(struct archive *a,
const char *m, const char *o, const char *v);
int
archive_read_set_format_option(struct archive *a, const char *m, const char *o,
const char *v)
{
return _archive_set_option(a, m, o, v,
ARCHIVE_READ_MAGIC, "archive_read_set_format_option",
archive_set_format_option);
}
int
archive_read_set_filter_option(struct archive *a, const char *m, const char *o,
const char *v)
{
return _archive_set_option(a, m, o, v,
ARCHIVE_READ_MAGIC, "archive_read_set_filter_option",
archive_set_filter_option);
}
int
archive_read_set_option(struct archive *a, const char *m, const char *o,
const char *v)
{
return _archive_set_option(a, m, o, v,
ARCHIVE_READ_MAGIC, "archive_read_set_option",
archive_set_option);
}
int
archive_read_set_options(struct archive *a, const char *options)
{
return _archive_set_options(a, options,
ARCHIVE_READ_MAGIC, "archive_read_set_options",
archive_set_option);
}
static int
archive_set_format_option(struct archive *_a, const char *m, const char *o,
const char *v)
{
struct archive_read *a = (struct archive_read *)_a;
size_t i;
int r, rv = ARCHIVE_WARN, matched_modules = 0;
for (i = 0; i < sizeof(a->formats)/sizeof(a->formats[0]); i++) {
struct archive_format_descriptor *format = &a->formats[i];
if (format->options == NULL || format->name == NULL)
/* This format does not support option. */
continue;
if (m != NULL) {
if (strcmp(format->name, m) != 0)
continue;
++matched_modules;
}
a->format = format;
r = format->options(a, o, v);
a->format = NULL;
if (r == ARCHIVE_FATAL)
return (ARCHIVE_FATAL);
if (r == ARCHIVE_OK)
rv = ARCHIVE_OK;
}
/* If the format name didn't match, return a special code for
* _archive_set_option[s]. */
if (m != NULL && matched_modules == 0)
return ARCHIVE_WARN - 1;
return (rv);
}
static int
archive_set_filter_option(struct archive *_a, const char *m, const char *o,
const char *v)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter *filter;
struct archive_read_filter_bidder *bidder;
int r, rv = ARCHIVE_WARN, matched_modules = 0;
for (filter = a->filter; filter != NULL; filter = filter->upstream) {
bidder = filter->bidder;
if (bidder == NULL)
continue;
if (bidder->options == NULL)
/* This bidder does not support option */
continue;
if (m != NULL) {
if (strcmp(filter->name, m) != 0)
continue;
++matched_modules;
}
r = bidder->options(bidder, o, v);
if (r == ARCHIVE_FATAL)
return (ARCHIVE_FATAL);
if (r == ARCHIVE_OK)
rv = ARCHIVE_OK;
}
/* If the filter name didn't match, return a special code for
* _archive_set_option[s]. */
if (m != NULL && matched_modules == 0)
return ARCHIVE_WARN - 1;
return (rv);
}
static int
archive_set_option(struct archive *a, const char *m, const char *o,
const char *v)
{
return _archive_set_either_option(a, m, o, v,
archive_set_format_option,
archive_set_filter_option);
}

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/*-
* Copyright (c) 2003-2011 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#include "archive.h"
#include "archive_private.h"
#if ARCHIVE_VERSION_NUMBER < 4000000
/* Deprecated; remove in libarchive 4.0 */
int
archive_read_support_compression_all(struct archive *a)
{
return archive_read_support_filter_all(a);
}
#endif
int
archive_read_support_filter_all(struct archive *a)
{
archive_check_magic(a, ARCHIVE_READ_MAGIC,
ARCHIVE_STATE_NEW, "archive_read_support_filter_all");
/* Bzip falls back to "bunzip2" command-line */
archive_read_support_filter_bzip2(a);
/* The decompress code doesn't use an outside library. */
archive_read_support_filter_compress(a);
/* Gzip decompress falls back to "gzip -d" command-line. */
archive_read_support_filter_gzip(a);
/* Lzip falls back to "unlzip" command-line program. */
archive_read_support_filter_lzip(a);
/* The LZMA file format has a very weak signature, so it
* may not be feasible to keep this here, but we'll try.
* This will come back out if there are problems. */
/* Lzma falls back to "unlzma" command-line program. */
archive_read_support_filter_lzma(a);
/* Xz falls back to "unxz" command-line program. */
archive_read_support_filter_xz(a);
/* The decode code doesn't use an outside library. */
archive_read_support_filter_uu(a);
/* The decode code doesn't use an outside library. */
archive_read_support_filter_rpm(a);
/* The decode code always uses "lrzip -q -d" command-line. */
archive_read_support_filter_lrzip(a);
/* Lzop decompress falls back to "lzop -d" command-line. */
archive_read_support_filter_lzop(a);
/* The decode code always uses "grzip -d" command-line. */
archive_read_support_filter_grzip(a);
/* Lz4 falls back to "lz4 -d" command-line program. */
archive_read_support_filter_lz4(a);
/* Zstd falls back to "zstd -d" command-line program. */
archive_read_support_filter_zstd(a);
/* Note: We always return ARCHIVE_OK here, even if some of the
* above return ARCHIVE_WARN. The intent here is to enable
* "as much as possible." Clients who need specific
* compression should enable those individually so they can
* verify the level of support. */
/* Clear any warning messages set by the above functions. */
archive_clear_error(a);
return (ARCHIVE_OK);
}

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_BZLIB_H
#include <bzlib.h>
#endif
#include "archive.h"
#include "archive_private.h"
#include "archive_read_private.h"
#if defined(HAVE_BZLIB_H) && defined(BZ_CONFIG_ERROR)
struct private_data {
bz_stream stream;
char *out_block;
size_t out_block_size;
char valid; /* True = decompressor is initialized */
char eof; /* True = found end of compressed data. */
};
/* Bzip2 filter */
static ssize_t bzip2_filter_read(struct archive_read_filter *, const void **);
static int bzip2_filter_close(struct archive_read_filter *);
#endif
/*
* Note that we can detect bzip2 archives even if we can't decompress
* them. (In fact, we like detecting them because we can give better
* error messages.) So the bid framework here gets compiled even
* if bzlib is unavailable.
*/
static int bzip2_reader_bid(struct archive_read_filter_bidder *, struct archive_read_filter *);
static int bzip2_reader_init(struct archive_read_filter *);
static int bzip2_reader_free(struct archive_read_filter_bidder *);
#if ARCHIVE_VERSION_NUMBER < 4000000
/* Deprecated; remove in libarchive 4.0 */
int
archive_read_support_compression_bzip2(struct archive *a)
{
return archive_read_support_filter_bzip2(a);
}
#endif
int
archive_read_support_filter_bzip2(struct archive *_a)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter_bidder *reader;
archive_check_magic(_a, ARCHIVE_READ_MAGIC,
ARCHIVE_STATE_NEW, "archive_read_support_filter_bzip2");
if (__archive_read_get_bidder(a, &reader) != ARCHIVE_OK)
return (ARCHIVE_FATAL);
reader->data = NULL;
reader->name = "bzip2";
reader->bid = bzip2_reader_bid;
reader->init = bzip2_reader_init;
reader->options = NULL;
reader->free = bzip2_reader_free;
#if defined(HAVE_BZLIB_H) && defined(BZ_CONFIG_ERROR)
return (ARCHIVE_OK);
#else
archive_set_error(_a, ARCHIVE_ERRNO_MISC,
"Using external bzip2 program");
return (ARCHIVE_WARN);
#endif
}
static int
bzip2_reader_free(struct archive_read_filter_bidder *self){
(void)self; /* UNUSED */
return (ARCHIVE_OK);
}
/*
* Test whether we can handle this data.
*
* This logic returns zero if any part of the signature fails. It
* also tries to Do The Right Thing if a very short buffer prevents us
* from verifying as much as we would like.
*/
static int
bzip2_reader_bid(struct archive_read_filter_bidder *self, struct archive_read_filter *filter)
{
const unsigned char *buffer;
ssize_t avail;
int bits_checked;
(void)self; /* UNUSED */
/* Minimal bzip2 archive is 14 bytes. */
buffer = __archive_read_filter_ahead(filter, 14, &avail);
if (buffer == NULL)
return (0);
/* First three bytes must be "BZh" */
bits_checked = 0;
if (memcmp(buffer, "BZh", 3) != 0)
return (0);
bits_checked += 24;
/* Next follows a compression flag which must be an ASCII digit. */
if (buffer[3] < '1' || buffer[3] > '9')
return (0);
bits_checked += 5;
/* After BZh[1-9], there must be either a data block
* which begins with 0x314159265359 or an end-of-data
* marker of 0x177245385090. */
if (memcmp(buffer + 4, "\x31\x41\x59\x26\x53\x59", 6) == 0)
bits_checked += 48;
else if (memcmp(buffer + 4, "\x17\x72\x45\x38\x50\x90", 6) == 0)
bits_checked += 48;
else
return (0);
return (bits_checked);
}
#if !defined(HAVE_BZLIB_H) || !defined(BZ_CONFIG_ERROR)
/*
* If we don't have the library on this system, we can't actually do the
* decompression. We can, however, still detect compressed archives
* and emit a useful message.
*/
static int
bzip2_reader_init(struct archive_read_filter *self)
{
int r;
r = __archive_read_program(self, "bzip2 -d");
/* Note: We set the format here even if __archive_read_program()
* above fails. We do, after all, know what the format is
* even if we weren't able to read it. */
self->code = ARCHIVE_FILTER_BZIP2;
self->name = "bzip2";
return (r);
}
#else
/*
* Setup the callbacks.
*/
static int
bzip2_reader_init(struct archive_read_filter *self)
{
static const size_t out_block_size = 64 * 1024;
void *out_block;
struct private_data *state;
self->code = ARCHIVE_FILTER_BZIP2;
self->name = "bzip2";
state = (struct private_data *)calloc(sizeof(*state), 1);
out_block = (unsigned char *)malloc(out_block_size);
if (state == NULL || out_block == NULL) {
archive_set_error(&self->archive->archive, ENOMEM,
"Can't allocate data for bzip2 decompression");
free(out_block);
free(state);
return (ARCHIVE_FATAL);
}
self->data = state;
state->out_block_size = out_block_size;
state->out_block = out_block;
self->read = bzip2_filter_read;
self->skip = NULL; /* not supported */
self->close = bzip2_filter_close;
return (ARCHIVE_OK);
}
/*
* Return the next block of decompressed data.
*/
static ssize_t
bzip2_filter_read(struct archive_read_filter *self, const void **p)
{
struct private_data *state;
size_t decompressed;
const char *read_buf;
ssize_t ret;
state = (struct private_data *)self->data;
if (state->eof) {
*p = NULL;
return (0);
}
/* Empty our output buffer. */
state->stream.next_out = state->out_block;
state->stream.avail_out = state->out_block_size;
/* Try to fill the output buffer. */
for (;;) {
if (!state->valid) {
if (bzip2_reader_bid(self->bidder, self->upstream) == 0) {
state->eof = 1;
*p = state->out_block;
decompressed = state->stream.next_out
- state->out_block;
return (decompressed);
}
/* Initialize compression library. */
ret = BZ2_bzDecompressInit(&(state->stream),
0 /* library verbosity */,
0 /* don't use low-mem algorithm */);
/* If init fails, try low-memory algorithm instead. */
if (ret == BZ_MEM_ERROR)
ret = BZ2_bzDecompressInit(&(state->stream),
0 /* library verbosity */,
1 /* do use low-mem algo */);
if (ret != BZ_OK) {
const char *detail = NULL;
int err = ARCHIVE_ERRNO_MISC;
switch (ret) {
case BZ_PARAM_ERROR:
detail = "invalid setup parameter";
break;
case BZ_MEM_ERROR:
err = ENOMEM;
detail = "out of memory";
break;
case BZ_CONFIG_ERROR:
detail = "mis-compiled library";
break;
}
archive_set_error(&self->archive->archive, err,
"Internal error initializing decompressor%s%s",
detail == NULL ? "" : ": ",
detail);
return (ARCHIVE_FATAL);
}
state->valid = 1;
}
/* stream.next_in is really const, but bzlib
* doesn't declare it so. <sigh> */
read_buf =
__archive_read_filter_ahead(self->upstream, 1, &ret);
if (read_buf == NULL) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"truncated bzip2 input");
return (ARCHIVE_FATAL);
}
state->stream.next_in = (char *)(uintptr_t)read_buf;
state->stream.avail_in = ret;
/* There is no more data, return whatever we have. */
if (ret == 0) {
state->eof = 1;
*p = state->out_block;
decompressed = state->stream.next_out
- state->out_block;
return (decompressed);
}
/* Decompress as much as we can in one pass. */
ret = BZ2_bzDecompress(&(state->stream));
__archive_read_filter_consume(self->upstream,
state->stream.next_in - read_buf);
switch (ret) {
case BZ_STREAM_END: /* Found end of stream. */
switch (BZ2_bzDecompressEnd(&(state->stream))) {
case BZ_OK:
break;
default:
archive_set_error(&(self->archive->archive),
ARCHIVE_ERRNO_MISC,
"Failed to clean up decompressor");
return (ARCHIVE_FATAL);
}
state->valid = 0;
/* FALLTHROUGH */
case BZ_OK: /* Decompressor made some progress. */
/* If we filled our buffer, update stats and return. */
if (state->stream.avail_out == 0) {
*p = state->out_block;
decompressed = state->stream.next_out
- state->out_block;
return (decompressed);
}
break;
default: /* Return an error. */
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC, "bzip decompression failed");
return (ARCHIVE_FATAL);
}
}
}
/*
* Clean up the decompressor.
*/
static int
bzip2_filter_close(struct archive_read_filter *self)
{
struct private_data *state;
int ret = ARCHIVE_OK;
state = (struct private_data *)self->data;
if (state->valid) {
switch (BZ2_bzDecompressEnd(&state->stream)) {
case BZ_OK:
break;
default:
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Failed to clean up decompressor");
ret = ARCHIVE_FATAL;
}
state->valid = 0;
}
free(state->out_block);
free(state);
return (ret);
}
#endif /* HAVE_BZLIB_H && BZ_CONFIG_ERROR */

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This code borrows heavily from "compress" source code, which is
* protected by the following copyright. (Clause 3 dropped by request
* of the Regents.)
*/
/*-
* Copyright (c) 1985, 1986, 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Diomidis Spinellis and James A. Woods, derived from original
* work by Spencer Thomas and Joseph Orost.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "archive.h"
#include "archive_private.h"
#include "archive_read_private.h"
/*
* Because LZW decompression is pretty simple, I've just implemented
* the whole decompressor here (cribbing from "compress" source code,
* of course), rather than relying on an external library. I have
* made an effort to clarify and simplify the algorithm, so the
* names and structure here don't exactly match those used by compress.
*/
struct private_data {
/* Input variables. */
const unsigned char *next_in;
size_t avail_in;
size_t consume_unnotified;
int bit_buffer;
int bits_avail;
size_t bytes_in_section;
/* Output variables. */
size_t out_block_size;
void *out_block;
/* Decompression status variables. */
int use_reset_code;
int end_of_stream; /* EOF status. */
int maxcode; /* Largest code. */
int maxcode_bits; /* Length of largest code. */
int section_end_code; /* When to increase bits. */
int bits; /* Current code length. */
int oldcode; /* Previous code. */
int finbyte; /* Last byte of prev code. */
/* Dictionary. */
int free_ent; /* Next dictionary entry. */
unsigned char suffix[65536];
uint16_t prefix[65536];
/*
* Scratch area for expanding dictionary entries. Note:
* "worst" case here comes from compressing /dev/zero: the
* last code in the dictionary will code a sequence of
* 65536-256 zero bytes. Thus, we need stack space to expand
* a 65280-byte dictionary entry. (Of course, 32640:1
* compression could also be considered the "best" case. ;-)
*/
unsigned char *stackp;
unsigned char stack[65300];
};
static int compress_bidder_bid(struct archive_read_filter_bidder *, struct archive_read_filter *);
static int compress_bidder_init(struct archive_read_filter *);
static int compress_bidder_free(struct archive_read_filter_bidder *);
static ssize_t compress_filter_read(struct archive_read_filter *, const void **);
static int compress_filter_close(struct archive_read_filter *);
static int getbits(struct archive_read_filter *, int n);
static int next_code(struct archive_read_filter *);
#if ARCHIVE_VERSION_NUMBER < 4000000
/* Deprecated; remove in libarchive 4.0 */
int
archive_read_support_compression_compress(struct archive *a)
{
return archive_read_support_filter_compress(a);
}
#endif
int
archive_read_support_filter_compress(struct archive *_a)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter_bidder *bidder;
archive_check_magic(_a, ARCHIVE_READ_MAGIC,
ARCHIVE_STATE_NEW, "archive_read_support_filter_compress");
if (__archive_read_get_bidder(a, &bidder) != ARCHIVE_OK)
return (ARCHIVE_FATAL);
bidder->data = NULL;
bidder->name = "compress (.Z)";
bidder->bid = compress_bidder_bid;
bidder->init = compress_bidder_init;
bidder->options = NULL;
bidder->free = compress_bidder_free;
return (ARCHIVE_OK);
}
/*
* Test whether we can handle this data.
* This logic returns zero if any part of the signature fails.
*/
static int
compress_bidder_bid(struct archive_read_filter_bidder *self,
struct archive_read_filter *filter)
{
const unsigned char *buffer;
ssize_t avail;
int bits_checked;
(void)self; /* UNUSED */
/* Shortest valid compress file is 3 bytes. */
buffer = __archive_read_filter_ahead(filter, 3, &avail);
if (buffer == NULL)
return (0);
bits_checked = 0;
/* First two bytes are the magic value */
if (buffer[0] != 0x1F || buffer[1] != 0x9D)
return (0);
/* Third byte holds compression parameters. */
if (buffer[2] & 0x20) /* Reserved bit, must be zero. */
return (0);
if (buffer[2] & 0x40) /* Reserved bit, must be zero. */
return (0);
bits_checked += 18;
return (bits_checked);
}
/*
* Setup the callbacks.
*/
static int
compress_bidder_init(struct archive_read_filter *self)
{
struct private_data *state;
static const size_t out_block_size = 64 * 1024;
void *out_block;
int code;
self->code = ARCHIVE_FILTER_COMPRESS;
self->name = "compress (.Z)";
state = (struct private_data *)calloc(sizeof(*state), 1);
out_block = malloc(out_block_size);
if (state == NULL || out_block == NULL) {
free(out_block);
free(state);
archive_set_error(&self->archive->archive, ENOMEM,
"Can't allocate data for %s decompression",
self->name);
return (ARCHIVE_FATAL);
}
self->data = state;
state->out_block_size = out_block_size;
state->out_block = out_block;
self->read = compress_filter_read;
self->skip = NULL; /* not supported */
self->close = compress_filter_close;
/* XXX MOVE THE FOLLOWING OUT OF INIT() XXX */
(void)getbits(self, 8); /* Skip first signature byte. */
(void)getbits(self, 8); /* Skip second signature byte. */
/* Get compression parameters. */
code = getbits(self, 8);
if ((code & 0x1f) > 16) {
archive_set_error(&self->archive->archive, -1,
"Invalid compressed data");
return (ARCHIVE_FATAL);
}
state->maxcode_bits = code & 0x1f;
state->maxcode = (1 << state->maxcode_bits);
state->use_reset_code = code & 0x80;
/* Initialize decompressor. */
state->free_ent = 256;
state->stackp = state->stack;
if (state->use_reset_code)
state->free_ent++;
state->bits = 9;
state->section_end_code = (1<<state->bits) - 1;
state->oldcode = -1;
for (code = 255; code >= 0; code--) {
state->prefix[code] = 0;
state->suffix[code] = code;
}
next_code(self);
return (ARCHIVE_OK);
}
/*
* Return a block of data from the decompression buffer. Decompress more
* as necessary.
*/
static ssize_t
compress_filter_read(struct archive_read_filter *self, const void **pblock)
{
struct private_data *state;
unsigned char *p, *start, *end;
int ret;
state = (struct private_data *)self->data;
if (state->end_of_stream) {
*pblock = NULL;
return (0);
}
p = start = (unsigned char *)state->out_block;
end = start + state->out_block_size;
while (p < end && !state->end_of_stream) {
if (state->stackp > state->stack) {
*p++ = *--state->stackp;
} else {
ret = next_code(self);
if (ret == -1)
state->end_of_stream = ret;
else if (ret != ARCHIVE_OK)
return (ret);
}
}
*pblock = start;
return (p - start);
}
/*
* Clean up the reader.
*/
static int
compress_bidder_free(struct archive_read_filter_bidder *self)
{
self->data = NULL;
return (ARCHIVE_OK);
}
/*
* Close and release the filter.
*/
static int
compress_filter_close(struct archive_read_filter *self)
{
struct private_data *state = (struct private_data *)self->data;
free(state->out_block);
free(state);
return (ARCHIVE_OK);
}
/*
* Process the next code and fill the stack with the expansion
* of the code. Returns ARCHIVE_FATAL if there is a fatal I/O or
* format error, ARCHIVE_EOF if we hit end of data, ARCHIVE_OK otherwise.
*/
static int
next_code(struct archive_read_filter *self)
{
struct private_data *state = (struct private_data *)self->data;
int code, newcode;
static int debug_buff[1024];
static unsigned debug_index;
code = newcode = getbits(self, state->bits);
if (code < 0)
return (code);
debug_buff[debug_index++] = code;
if (debug_index >= sizeof(debug_buff)/sizeof(debug_buff[0]))
debug_index = 0;
/* If it's a reset code, reset the dictionary. */
if ((code == 256) && state->use_reset_code) {
/*
* The original 'compress' implementation blocked its
* I/O in a manner that resulted in junk bytes being
* inserted after every reset. The next section skips
* this junk. (Yes, the number of *bytes* to skip is
* a function of the current *bit* length.)
*/
int skip_bytes = state->bits -
(state->bytes_in_section % state->bits);
skip_bytes %= state->bits;
state->bits_avail = 0; /* Discard rest of this byte. */
while (skip_bytes-- > 0) {
code = getbits(self, 8);
if (code < 0)
return (code);
}
/* Now, actually do the reset. */
state->bytes_in_section = 0;
state->bits = 9;
state->section_end_code = (1 << state->bits) - 1;
state->free_ent = 257;
state->oldcode = -1;
return (next_code(self));
}
if (code > state->free_ent
|| (code == state->free_ent && state->oldcode < 0)) {
/* An invalid code is a fatal error. */
archive_set_error(&(self->archive->archive), -1,
"Invalid compressed data");
return (ARCHIVE_FATAL);
}
/* Special case for KwKwK string. */
if (code >= state->free_ent) {
*state->stackp++ = state->finbyte;
code = state->oldcode;
}
/* Generate output characters in reverse order. */
while (code >= 256) {
*state->stackp++ = state->suffix[code];
code = state->prefix[code];
}
*state->stackp++ = state->finbyte = code;
/* Generate the new entry. */
code = state->free_ent;
if (code < state->maxcode && state->oldcode >= 0) {
state->prefix[code] = state->oldcode;
state->suffix[code] = state->finbyte;
++state->free_ent;
}
if (state->free_ent > state->section_end_code) {
state->bits++;
state->bytes_in_section = 0;
if (state->bits == state->maxcode_bits)
state->section_end_code = state->maxcode;
else
state->section_end_code = (1 << state->bits) - 1;
}
/* Remember previous code. */
state->oldcode = newcode;
return (ARCHIVE_OK);
}
/*
* Return next 'n' bits from stream.
*
* -1 indicates end of available data.
*/
static int
getbits(struct archive_read_filter *self, int n)
{
struct private_data *state = (struct private_data *)self->data;
int code;
ssize_t ret;
static const int mask[] = {
0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff,
0x1ff, 0x3ff, 0x7ff, 0xfff, 0x1fff, 0x3fff, 0x7fff, 0xffff
};
while (state->bits_avail < n) {
if (state->avail_in <= 0) {
if (state->consume_unnotified) {
__archive_read_filter_consume(self->upstream,
state->consume_unnotified);
state->consume_unnotified = 0;
}
state->next_in
= __archive_read_filter_ahead(self->upstream,
1, &ret);
if (ret == 0)
return (-1);
if (ret < 0 || state->next_in == NULL)
return (ARCHIVE_FATAL);
state->consume_unnotified = state->avail_in = ret;
}
state->bit_buffer |= *state->next_in++ << state->bits_avail;
state->avail_in--;
state->bits_avail += 8;
state->bytes_in_section++;
}
code = state->bit_buffer;
state->bit_buffer >>= n;
state->bits_avail -= n;
return (code & mask[n]);
}

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/*-
* Copyright (c) 2012 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "archive.h"
#include "archive_private.h"
#include "archive_read_private.h"
static const unsigned char grzip_magic[] = {
0x47, 0x52, 0x5a, 0x69, 0x70, 0x49, 0x49, 0x00,
0x02, 0x04, 0x3a, 0x29 };
static int grzip_bidder_bid(struct archive_read_filter_bidder *,
struct archive_read_filter *);
static int grzip_bidder_init(struct archive_read_filter *);
static int
grzip_reader_free(struct archive_read_filter_bidder *self)
{
(void)self; /* UNUSED */
return (ARCHIVE_OK);
}
int
archive_read_support_filter_grzip(struct archive *_a)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter_bidder *reader;
archive_check_magic(_a, ARCHIVE_READ_MAGIC,
ARCHIVE_STATE_NEW, "archive_read_support_filter_grzip");
if (__archive_read_get_bidder(a, &reader) != ARCHIVE_OK)
return (ARCHIVE_FATAL);
reader->data = NULL;
reader->bid = grzip_bidder_bid;
reader->init = grzip_bidder_init;
reader->options = NULL;
reader->free = grzip_reader_free;
/* This filter always uses an external program. */
archive_set_error(_a, ARCHIVE_ERRNO_MISC,
"Using external grzip program for grzip decompression");
return (ARCHIVE_WARN);
}
/*
* Bidder just verifies the header and returns the number of verified bits.
*/
static int
grzip_bidder_bid(struct archive_read_filter_bidder *self,
struct archive_read_filter *filter)
{
const unsigned char *p;
ssize_t avail;
(void)self; /* UNUSED */
p = __archive_read_filter_ahead(filter, sizeof(grzip_magic), &avail);
if (p == NULL || avail == 0)
return (0);
if (memcmp(p, grzip_magic, sizeof(grzip_magic)))
return (0);
return (sizeof(grzip_magic) * 8);
}
static int
grzip_bidder_init(struct archive_read_filter *self)
{
int r;
r = __archive_read_program(self, "grzip -d");
/* Note: We set the format here even if __archive_read_program()
* above fails. We do, after all, know what the format is
* even if we weren't able to read it. */
self->code = ARCHIVE_FILTER_GRZIP;
self->name = "grzip";
return (r);
}

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_ZLIB_H
#include <zlib.h>
#endif
#include "archive.h"
#include "archive_entry.h"
#include "archive_endian.h"
#include "archive_private.h"
#include "archive_read_private.h"
#ifdef HAVE_ZLIB_H
struct private_data {
z_stream stream;
char in_stream;
unsigned char *out_block;
size_t out_block_size;
int64_t total_out;
unsigned long crc;
uint32_t mtime;
char *name;
char eof; /* True = found end of compressed data. */
};
/* Gzip Filter. */
static ssize_t gzip_filter_read(struct archive_read_filter *, const void **);
static int gzip_filter_close(struct archive_read_filter *);
#endif
/*
* Note that we can detect gzip archives even if we can't decompress
* them. (In fact, we like detecting them because we can give better
* error messages.) So the bid framework here gets compiled even
* if zlib is unavailable.
*
* TODO: If zlib is unavailable, gzip_bidder_init() should
* use the compress_program framework to try to fire up an external
* gzip program.
*/
static int gzip_bidder_bid(struct archive_read_filter_bidder *,
struct archive_read_filter *);
static int gzip_bidder_init(struct archive_read_filter *);
#if ARCHIVE_VERSION_NUMBER < 4000000
/* Deprecated; remove in libarchive 4.0 */
int
archive_read_support_compression_gzip(struct archive *a)
{
return archive_read_support_filter_gzip(a);
}
#endif
int
archive_read_support_filter_gzip(struct archive *_a)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter_bidder *bidder;
archive_check_magic(_a, ARCHIVE_READ_MAGIC,
ARCHIVE_STATE_NEW, "archive_read_support_filter_gzip");
if (__archive_read_get_bidder(a, &bidder) != ARCHIVE_OK)
return (ARCHIVE_FATAL);
bidder->data = NULL;
bidder->name = "gzip";
bidder->bid = gzip_bidder_bid;
bidder->init = gzip_bidder_init;
bidder->options = NULL;
bidder->free = NULL; /* No data, so no cleanup necessary. */
/* Signal the extent of gzip support with the return value here. */
#if HAVE_ZLIB_H
return (ARCHIVE_OK);
#else
archive_set_error(_a, ARCHIVE_ERRNO_MISC,
"Using external gzip program");
return (ARCHIVE_WARN);
#endif
}
/*
* Read and verify the header.
*
* Returns zero if the header couldn't be validated, else returns
* number of bytes in header. If pbits is non-NULL, it receives a
* count of bits verified, suitable for use by bidder.
*/
static ssize_t
peek_at_header(struct archive_read_filter *filter, int *pbits,
#ifdef HAVE_ZLIB_H
struct private_data *state
#else
void *state
#endif
)
{
const unsigned char *p;
ssize_t avail, len;
int bits = 0;
int header_flags;
#ifndef HAVE_ZLIB_H
(void)state; /* UNUSED */
#endif
/* Start by looking at the first ten bytes of the header, which
* is all fixed layout. */
len = 10;
p = __archive_read_filter_ahead(filter, len, &avail);
if (p == NULL || avail == 0)
return (0);
/* We only support deflation- third byte must be 0x08. */
if (memcmp(p, "\x1F\x8B\x08", 3) != 0)
return (0);
bits += 24;
if ((p[3] & 0xE0)!= 0) /* No reserved flags set. */
return (0);
bits += 3;
header_flags = p[3];
/* Bytes 4-7 are mod time in little endian. */
#ifdef HAVE_ZLIB_H
if (state)
state->mtime = archive_le32dec(p + 4);
#endif
/* Byte 8 is deflate flags. */
/* XXXX TODO: return deflate flags back to consume_header for use
in initializing the decompressor. */
/* Byte 9 is OS. */
/* Optional extra data: 2 byte length plus variable body. */
if (header_flags & 4) {
p = __archive_read_filter_ahead(filter, len + 2, &avail);
if (p == NULL)
return (0);
len += ((int)p[len + 1] << 8) | (int)p[len];
len += 2;
}
/* Null-terminated optional filename. */
if (header_flags & 8) {
#ifdef HAVE_ZLIB_H
ssize_t file_start = len;
#endif
do {
++len;
if (avail < len)
p = __archive_read_filter_ahead(filter,
len, &avail);
if (p == NULL)
return (0);
} while (p[len - 1] != 0);
#ifdef HAVE_ZLIB_H
if (state) {
/* Reset the name in case of repeat header reads. */
free(state->name);
state->name = strdup((const char *)&p[file_start]);
}
#endif
}
/* Null-terminated optional comment. */
if (header_flags & 16) {
do {
++len;
if (avail < len)
p = __archive_read_filter_ahead(filter,
len, &avail);
if (p == NULL)
return (0);
} while (p[len - 1] != 0);
}
/* Optional header CRC */
if ((header_flags & 2)) {
p = __archive_read_filter_ahead(filter, len + 2, &avail);
if (p == NULL)
return (0);
#if 0
int hcrc = ((int)p[len + 1] << 8) | (int)p[len];
int crc = /* XXX TODO: Compute header CRC. */;
if (crc != hcrc)
return (0);
bits += 16;
#endif
len += 2;
}
if (pbits != NULL)
*pbits = bits;
return (len);
}
/*
* Bidder just verifies the header and returns the number of verified bits.
*/
static int
gzip_bidder_bid(struct archive_read_filter_bidder *self,
struct archive_read_filter *filter)
{
int bits_checked;
(void)self; /* UNUSED */
if (peek_at_header(filter, &bits_checked, NULL))
return (bits_checked);
return (0);
}
#ifndef HAVE_ZLIB_H
/*
* If we don't have the library on this system, we can't do the
* decompression directly. We can, however, try to run "gzip -d"
* in case that's available.
*/
static int
gzip_bidder_init(struct archive_read_filter *self)
{
int r;
r = __archive_read_program(self, "gzip -d");
/* Note: We set the format here even if __archive_read_program()
* above fails. We do, after all, know what the format is
* even if we weren't able to read it. */
self->code = ARCHIVE_FILTER_GZIP;
self->name = "gzip";
return (r);
}
#else
static int
gzip_read_header(struct archive_read_filter *self, struct archive_entry *entry)
{
struct private_data *state;
state = (struct private_data *)self->data;
/* A mtime of 0 is considered invalid/missing. */
if (state->mtime != 0)
archive_entry_set_mtime(entry, state->mtime, 0);
/* If the name is available, extract it. */
if (state->name)
archive_entry_set_pathname(entry, state->name);
return (ARCHIVE_OK);
}
/*
* Initialize the filter object.
*/
static int
gzip_bidder_init(struct archive_read_filter *self)
{
struct private_data *state;
static const size_t out_block_size = 64 * 1024;
void *out_block;
self->code = ARCHIVE_FILTER_GZIP;
self->name = "gzip";
state = (struct private_data *)calloc(sizeof(*state), 1);
out_block = (unsigned char *)malloc(out_block_size);
if (state == NULL || out_block == NULL) {
free(out_block);
free(state);
archive_set_error(&self->archive->archive, ENOMEM,
"Can't allocate data for gzip decompression");
return (ARCHIVE_FATAL);
}
self->data = state;
state->out_block_size = out_block_size;
state->out_block = out_block;
self->read = gzip_filter_read;
self->skip = NULL; /* not supported */
self->close = gzip_filter_close;
#ifdef HAVE_ZLIB_H
self->read_header = gzip_read_header;
#endif
state->in_stream = 0; /* We're not actually within a stream yet. */
return (ARCHIVE_OK);
}
static int
consume_header(struct archive_read_filter *self)
{
struct private_data *state;
ssize_t avail;
size_t len;
int ret;
state = (struct private_data *)self->data;
/* If this is a real header, consume it. */
len = peek_at_header(self->upstream, NULL, state);
if (len == 0)
return (ARCHIVE_EOF);
__archive_read_filter_consume(self->upstream, len);
/* Initialize CRC accumulator. */
state->crc = crc32(0L, NULL, 0);
/* Initialize compression library. */
state->stream.next_in = (unsigned char *)(uintptr_t)
__archive_read_filter_ahead(self->upstream, 1, &avail);
state->stream.avail_in = (uInt)avail;
ret = inflateInit2(&(state->stream),
-15 /* Don't check for zlib header */);
/* Decipher the error code. */
switch (ret) {
case Z_OK:
state->in_stream = 1;
return (ARCHIVE_OK);
case Z_STREAM_ERROR:
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Internal error initializing compression library: "
"invalid setup parameter");
break;
case Z_MEM_ERROR:
archive_set_error(&self->archive->archive, ENOMEM,
"Internal error initializing compression library: "
"out of memory");
break;
case Z_VERSION_ERROR:
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Internal error initializing compression library: "
"invalid library version");
break;
default:
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Internal error initializing compression library: "
" Zlib error %d", ret);
break;
}
return (ARCHIVE_FATAL);
}
static int
consume_trailer(struct archive_read_filter *self)
{
struct private_data *state;
const unsigned char *p;
ssize_t avail;
state = (struct private_data *)self->data;
state->in_stream = 0;
switch (inflateEnd(&(state->stream))) {
case Z_OK:
break;
default:
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Failed to clean up gzip decompressor");
return (ARCHIVE_FATAL);
}
/* GZip trailer is a fixed 8 byte structure. */
p = __archive_read_filter_ahead(self->upstream, 8, &avail);
if (p == NULL || avail == 0)
return (ARCHIVE_FATAL);
/* XXX TODO: Verify the length and CRC. */
/* We've verified the trailer, so consume it now. */
__archive_read_filter_consume(self->upstream, 8);
return (ARCHIVE_OK);
}
static ssize_t
gzip_filter_read(struct archive_read_filter *self, const void **p)
{
struct private_data *state;
size_t decompressed;
ssize_t avail_in, max_in;
int ret;
state = (struct private_data *)self->data;
/* Empty our output buffer. */
state->stream.next_out = state->out_block;
state->stream.avail_out = (uInt)state->out_block_size;
/* Try to fill the output buffer. */
while (state->stream.avail_out > 0 && !state->eof) {
/* If we're not in a stream, read a header
* and initialize the decompression library. */
if (!state->in_stream) {
ret = consume_header(self);
if (ret == ARCHIVE_EOF) {
state->eof = 1;
break;
}
if (ret < ARCHIVE_OK)
return (ret);
}
/* Peek at the next available data. */
/* ZLib treats stream.next_in as const but doesn't declare
* it so, hence this ugly cast. */
state->stream.next_in = (unsigned char *)(uintptr_t)
__archive_read_filter_ahead(self->upstream, 1, &avail_in);
if (state->stream.next_in == NULL) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"truncated gzip input");
return (ARCHIVE_FATAL);
}
if (UINT_MAX >= SSIZE_MAX)
max_in = SSIZE_MAX;
else
max_in = UINT_MAX;
if (avail_in > max_in)
avail_in = max_in;
state->stream.avail_in = (uInt)avail_in;
/* Decompress and consume some of that data. */
ret = inflate(&(state->stream), 0);
switch (ret) {
case Z_OK: /* Decompressor made some progress. */
__archive_read_filter_consume(self->upstream,
avail_in - state->stream.avail_in);
break;
case Z_STREAM_END: /* Found end of stream. */
__archive_read_filter_consume(self->upstream,
avail_in - state->stream.avail_in);
/* Consume the stream trailer; release the
* decompression library. */
ret = consume_trailer(self);
if (ret < ARCHIVE_OK)
return (ret);
break;
default:
/* Return an error. */
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"gzip decompression failed");
return (ARCHIVE_FATAL);
}
}
/* We've read as much as we can. */
decompressed = state->stream.next_out - state->out_block;
state->total_out += decompressed;
if (decompressed == 0)
*p = NULL;
else
*p = state->out_block;
return (decompressed);
}
/*
* Clean up the decompressor.
*/
static int
gzip_filter_close(struct archive_read_filter *self)
{
struct private_data *state;
int ret;
state = (struct private_data *)self->data;
ret = ARCHIVE_OK;
if (state->in_stream) {
switch (inflateEnd(&(state->stream))) {
case Z_OK:
break;
default:
archive_set_error(&(self->archive->archive),
ARCHIVE_ERRNO_MISC,
"Failed to clean up gzip compressor");
ret = ARCHIVE_FATAL;
}
}
free(state->name);
free(state->out_block);
free(state);
return (ret);
}
#endif /* HAVE_ZLIB_H */

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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "archive.h"
#include "archive_private.h"
#include "archive_read_private.h"
#define LRZIP_HEADER_MAGIC "LRZI"
#define LRZIP_HEADER_MAGIC_LEN 4
static int lrzip_bidder_bid(struct archive_read_filter_bidder *,
struct archive_read_filter *);
static int lrzip_bidder_init(struct archive_read_filter *);
static int
lrzip_reader_free(struct archive_read_filter_bidder *self)
{
(void)self; /* UNUSED */
return (ARCHIVE_OK);
}
int
archive_read_support_filter_lrzip(struct archive *_a)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter_bidder *reader;
archive_check_magic(_a, ARCHIVE_READ_MAGIC,
ARCHIVE_STATE_NEW, "archive_read_support_filter_lrzip");
if (__archive_read_get_bidder(a, &reader) != ARCHIVE_OK)
return (ARCHIVE_FATAL);
reader->data = NULL;
reader->name = "lrzip";
reader->bid = lrzip_bidder_bid;
reader->init = lrzip_bidder_init;
reader->options = NULL;
reader->free = lrzip_reader_free;
/* This filter always uses an external program. */
archive_set_error(_a, ARCHIVE_ERRNO_MISC,
"Using external lrzip program for lrzip decompression");
return (ARCHIVE_WARN);
}
/*
* Bidder just verifies the header and returns the number of verified bits.
*/
static int
lrzip_bidder_bid(struct archive_read_filter_bidder *self,
struct archive_read_filter *filter)
{
const unsigned char *p;
ssize_t avail, len;
int i;
(void)self; /* UNUSED */
/* Start by looking at the first six bytes of the header, which
* is all fixed layout. */
len = 6;
p = __archive_read_filter_ahead(filter, len, &avail);
if (p == NULL || avail == 0)
return (0);
if (memcmp(p, LRZIP_HEADER_MAGIC, LRZIP_HEADER_MAGIC_LEN))
return (0);
/* current major version is always 0, verify this */
if (p[LRZIP_HEADER_MAGIC_LEN])
return 0;
/* support only v0.6+ lrzip for sanity */
i = p[LRZIP_HEADER_MAGIC_LEN + 1];
if ((i < 6) || (i > 10))
return 0;
return (int)len;
}
static int
lrzip_bidder_init(struct archive_read_filter *self)
{
int r;
r = __archive_read_program(self, "lrzip -d -q");
/* Note: We set the format here even if __archive_read_program()
* above fails. We do, after all, know what the format is
* even if we weren't able to read it. */
self->code = ARCHIVE_FILTER_LRZIP;
self->name = "lrzip";
return (r);
}

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/*-
* Copyright (c) 2014 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_LZ4_H
#include <lz4.h>
#endif
#include "archive.h"
#include "archive_endian.h"
#include "archive_private.h"
#include "archive_read_private.h"
#include "archive_xxhash.h"
#define LZ4_MAGICNUMBER 0x184d2204
#define LZ4_SKIPPABLED 0x184d2a50
#define LZ4_LEGACY 0x184c2102
#if defined(HAVE_LIBLZ4)
struct private_data {
enum { SELECT_STREAM,
READ_DEFAULT_STREAM,
READ_DEFAULT_BLOCK,
READ_LEGACY_STREAM,
READ_LEGACY_BLOCK,
} stage;
struct {
unsigned block_independence:1;
unsigned block_checksum:3;
unsigned stream_size:1;
unsigned stream_checksum:1;
unsigned preset_dictionary:1;
int block_maximum_size;
} flags;
int64_t stream_size;
uint32_t dict_id;
char *out_block;
size_t out_block_size;
/* Bytes read but not yet consumed via __archive_read_consume() */
size_t unconsumed;
size_t decoded_size;
void *xxh32_state;
char valid; /* True = decompressor is initialized */
char eof; /* True = found end of compressed data. */
};
#define LEGACY_BLOCK_SIZE (8 * 1024 * 1024)
/* Lz4 filter */
static ssize_t lz4_filter_read(struct archive_read_filter *, const void **);
static int lz4_filter_close(struct archive_read_filter *);
#endif
/*
* Note that we can detect lz4 archives even if we can't decompress
* them. (In fact, we like detecting them because we can give better
* error messages.) So the bid framework here gets compiled even
* if liblz4 is unavailable.
*/
static int lz4_reader_bid(struct archive_read_filter_bidder *, struct archive_read_filter *);
static int lz4_reader_init(struct archive_read_filter *);
static int lz4_reader_free(struct archive_read_filter_bidder *);
#if defined(HAVE_LIBLZ4)
static ssize_t lz4_filter_read_default_stream(struct archive_read_filter *,
const void **);
static ssize_t lz4_filter_read_legacy_stream(struct archive_read_filter *,
const void **);
#endif
int
archive_read_support_filter_lz4(struct archive *_a)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter_bidder *reader;
archive_check_magic(_a, ARCHIVE_READ_MAGIC,
ARCHIVE_STATE_NEW, "archive_read_support_filter_lz4");
if (__archive_read_get_bidder(a, &reader) != ARCHIVE_OK)
return (ARCHIVE_FATAL);
reader->data = NULL;
reader->name = "lz4";
reader->bid = lz4_reader_bid;
reader->init = lz4_reader_init;
reader->options = NULL;
reader->free = lz4_reader_free;
#if defined(HAVE_LIBLZ4)
return (ARCHIVE_OK);
#else
archive_set_error(_a, ARCHIVE_ERRNO_MISC,
"Using external lz4 program");
return (ARCHIVE_WARN);
#endif
}
static int
lz4_reader_free(struct archive_read_filter_bidder *self){
(void)self; /* UNUSED */
return (ARCHIVE_OK);
}
/*
* Test whether we can handle this data.
*
* This logic returns zero if any part of the signature fails. It
* also tries to Do The Right Thing if a very short buffer prevents us
* from verifying as much as we would like.
*/
static int
lz4_reader_bid(struct archive_read_filter_bidder *self,
struct archive_read_filter *filter)
{
const unsigned char *buffer;
ssize_t avail;
int bits_checked;
uint32_t number;
(void)self; /* UNUSED */
/* Minimal lz4 archive is 11 bytes. */
buffer = __archive_read_filter_ahead(filter, 11, &avail);
if (buffer == NULL)
return (0);
/* First four bytes must be LZ4 magic numbers. */
bits_checked = 0;
if ((number = archive_le32dec(buffer)) == LZ4_MAGICNUMBER) {
unsigned char flag, BD;
bits_checked += 32;
/* Next follows a stream descriptor. */
/* Descriptor Flags. */
flag = buffer[4];
/* A version number must be "01". */
if (((flag & 0xc0) >> 6) != 1)
return (0);
/* A reserved bit must be "0". */
if (flag & 2)
return (0);
bits_checked += 8;
BD = buffer[5];
/* A block maximum size should be more than 3. */
if (((BD & 0x70) >> 4) < 4)
return (0);
/* Reserved bits must be "0". */
if (BD & ~0x70)
return (0);
bits_checked += 8;
} else if (number == LZ4_LEGACY) {
bits_checked += 32;
}
return (bits_checked);
}
#if !defined(HAVE_LIBLZ4)
/*
* If we don't have the library on this system, we can't actually do the
* decompression. We can, however, still detect compressed archives
* and emit a useful message.
*/
static int
lz4_reader_init(struct archive_read_filter *self)
{
int r;
r = __archive_read_program(self, "lz4 -d -q");
/* Note: We set the format here even if __archive_read_program()
* above fails. We do, after all, know what the format is
* even if we weren't able to read it. */
self->code = ARCHIVE_FILTER_LZ4;
self->name = "lz4";
return (r);
}
#else
/*
* Setup the callbacks.
*/
static int
lz4_reader_init(struct archive_read_filter *self)
{
struct private_data *state;
self->code = ARCHIVE_FILTER_LZ4;
self->name = "lz4";
state = (struct private_data *)calloc(sizeof(*state), 1);
if (state == NULL) {
archive_set_error(&self->archive->archive, ENOMEM,
"Can't allocate data for lz4 decompression");
return (ARCHIVE_FATAL);
}
self->data = state;
state->stage = SELECT_STREAM;
self->read = lz4_filter_read;
self->skip = NULL; /* not supported */
self->close = lz4_filter_close;
return (ARCHIVE_OK);
}
static int
lz4_allocate_out_block(struct archive_read_filter *self)
{
struct private_data *state = (struct private_data *)self->data;
size_t out_block_size = state->flags.block_maximum_size;
void *out_block;
if (!state->flags.block_independence)
out_block_size += 64 * 1024;
if (state->out_block_size < out_block_size) {
free(state->out_block);
out_block = (unsigned char *)malloc(out_block_size);
state->out_block_size = out_block_size;
if (out_block == NULL) {
archive_set_error(&self->archive->archive, ENOMEM,
"Can't allocate data for lz4 decompression");
return (ARCHIVE_FATAL);
}
state->out_block = out_block;
}
if (!state->flags.block_independence)
memset(state->out_block, 0, 64 * 1024);
return (ARCHIVE_OK);
}
static int
lz4_allocate_out_block_for_legacy(struct archive_read_filter *self)
{
struct private_data *state = (struct private_data *)self->data;
size_t out_block_size = LEGACY_BLOCK_SIZE;
void *out_block;
if (state->out_block_size < out_block_size) {
free(state->out_block);
out_block = (unsigned char *)malloc(out_block_size);
state->out_block_size = out_block_size;
if (out_block == NULL) {
archive_set_error(&self->archive->archive, ENOMEM,
"Can't allocate data for lz4 decompression");
return (ARCHIVE_FATAL);
}
state->out_block = out_block;
}
return (ARCHIVE_OK);
}
/*
* Return the next block of decompressed data.
*/
static ssize_t
lz4_filter_read(struct archive_read_filter *self, const void **p)
{
struct private_data *state = (struct private_data *)self->data;
ssize_t ret;
if (state->eof) {
*p = NULL;
return (0);
}
__archive_read_filter_consume(self->upstream, state->unconsumed);
state->unconsumed = 0;
switch (state->stage) {
case SELECT_STREAM:
break;
case READ_DEFAULT_STREAM:
case READ_LEGACY_STREAM:
/* Reading a lz4 stream already failed. */
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC, "Invalid sequence.");
return (ARCHIVE_FATAL);
case READ_DEFAULT_BLOCK:
ret = lz4_filter_read_default_stream(self, p);
if (ret != 0 || state->stage != SELECT_STREAM)
return ret;
break;
case READ_LEGACY_BLOCK:
ret = lz4_filter_read_legacy_stream(self, p);
if (ret != 0 || state->stage != SELECT_STREAM)
return ret;
break;
default:
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC, "Program error.");
return (ARCHIVE_FATAL);
break;
}
while (state->stage == SELECT_STREAM) {
const char *read_buf;
/* Read a magic number. */
read_buf = __archive_read_filter_ahead(self->upstream, 4,
NULL);
if (read_buf == NULL) {
state->eof = 1;
*p = NULL;
return (0);
}
uint32_t number = archive_le32dec(read_buf);
__archive_read_filter_consume(self->upstream, 4);
if (number == LZ4_MAGICNUMBER)
return lz4_filter_read_default_stream(self, p);
else if (number == LZ4_LEGACY)
return lz4_filter_read_legacy_stream(self, p);
else if ((number & ~0xF) == LZ4_SKIPPABLED) {
read_buf = __archive_read_filter_ahead(
self->upstream, 4, NULL);
if (read_buf == NULL) {
archive_set_error(
&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Malformed lz4 data");
return (ARCHIVE_FATAL);
}
uint32_t skip_bytes = archive_le32dec(read_buf);
__archive_read_filter_consume(self->upstream,
4 + skip_bytes);
} else {
/* Ignore following unrecognized data. */
state->eof = 1;
*p = NULL;
return (0);
}
}
state->eof = 1;
*p = NULL;
return (0);
}
static int
lz4_filter_read_descriptor(struct archive_read_filter *self)
{
struct private_data *state = (struct private_data *)self->data;
const char *read_buf;
ssize_t bytes_remaining;
ssize_t descriptor_bytes;
unsigned char flag, bd;
unsigned int chsum, chsum_verifier;
/* Make sure we have 2 bytes for flags. */
read_buf = __archive_read_filter_ahead(self->upstream, 2,
&bytes_remaining);
if (read_buf == NULL) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"truncated lz4 input");
return (ARCHIVE_FATAL);
}
/*
Parse flags.
*/
flag = (unsigned char)read_buf[0];
/* Verify version number. */
if ((flag & 0xc0) != 1<<6)
goto malformed_error;
/* A reserved bit must be zero. */
if (flag & 0x02)
goto malformed_error;
state->flags.block_independence = (flag & 0x20) != 0;
state->flags.block_checksum = (flag & 0x10)?4:0;
state->flags.stream_size = (flag & 0x08) != 0;
state->flags.stream_checksum = (flag & 0x04) != 0;
state->flags.preset_dictionary = (flag & 0x01) != 0;
/* BD */
bd = (unsigned char)read_buf[1];
/* Reserved bits must be zero. */
if (bd & 0x8f)
goto malformed_error;
/* Get a maximum block size. */
switch (read_buf[1] >> 4) {
case 4: /* 64 KB */
state->flags.block_maximum_size = 64 * 1024;
break;
case 5: /* 256 KB */
state->flags.block_maximum_size = 256 * 1024;
break;
case 6: /* 1 MB */
state->flags.block_maximum_size = 1024 * 1024;
break;
case 7: /* 4 MB */
state->flags.block_maximum_size = 4 * 1024 * 1024;
break;
default:
goto malformed_error;
}
/* Read the whole descriptor in a stream block. */
descriptor_bytes = 3;
if (state->flags.stream_size)
descriptor_bytes += 8;
if (state->flags.preset_dictionary)
descriptor_bytes += 4;
if (bytes_remaining < descriptor_bytes) {
read_buf = __archive_read_filter_ahead(self->upstream,
descriptor_bytes, &bytes_remaining);
if (read_buf == NULL) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"truncated lz4 input");
return (ARCHIVE_FATAL);
}
}
/* Check if a descriptor is corrupted */
chsum = __archive_xxhash.XXH32(read_buf, (int)descriptor_bytes -1, 0);
chsum = (chsum >> 8) & 0xff;
chsum_verifier = read_buf[descriptor_bytes-1] & 0xff;
if (chsum != chsum_verifier)
goto malformed_error;
__archive_read_filter_consume(self->upstream, descriptor_bytes);
/* Make sure we have a large enough buffer for uncompressed data. */
if (lz4_allocate_out_block(self) != ARCHIVE_OK)
return (ARCHIVE_FATAL);
if (state->flags.stream_checksum)
state->xxh32_state = __archive_xxhash.XXH32_init(0);
state->decoded_size = 0;
/* Success */
return (ARCHIVE_OK);
malformed_error:
archive_set_error(&self->archive->archive, ARCHIVE_ERRNO_MISC,
"malformed lz4 data");
return (ARCHIVE_FATAL);
}
static ssize_t
lz4_filter_read_data_block(struct archive_read_filter *self, const void **p)
{
struct private_data *state = (struct private_data *)self->data;
ssize_t compressed_size;
const char *read_buf;
ssize_t bytes_remaining;
int checksum_size;
ssize_t uncompressed_size;
size_t prefix64k;
*p = NULL;
/* Make sure we have 4 bytes for a block size. */
read_buf = __archive_read_filter_ahead(self->upstream, 4,
&bytes_remaining);
if (read_buf == NULL)
goto truncated_error;
compressed_size = archive_le32dec(read_buf);
if ((compressed_size & 0x7fffffff) > state->flags.block_maximum_size)
goto malformed_error;
/* A compressed size == 0 means the end of stream blocks. */
if (compressed_size == 0) {
__archive_read_filter_consume(self->upstream, 4);
return 0;
}
checksum_size = state->flags.block_checksum;
/* Check if the block is uncompressed. */
if (compressed_size & 0x80000000U) {
compressed_size &= 0x7fffffff;
uncompressed_size = compressed_size;
} else
uncompressed_size = 0;/* Unknown yet. */
/*
Unfortunately, lz4 decompression API requires a whole block
for its decompression speed, so we read a whole block and allocate
a huge buffer used for decoded data.
*/
read_buf = __archive_read_filter_ahead(self->upstream,
4 + compressed_size + checksum_size, &bytes_remaining);
if (read_buf == NULL)
goto truncated_error;
/* Optional processing, checking a block sum. */
if (checksum_size) {
unsigned int chsum = __archive_xxhash.XXH32(
read_buf + 4, (int)compressed_size, 0);
unsigned int chsum_block =
archive_le32dec(read_buf + 4 + compressed_size);
if (chsum != chsum_block)
goto malformed_error;
}
/* If the block is uncompressed, there is nothing to do. */
if (uncompressed_size) {
/* Prepare a prefix 64k block for next block. */
if (!state->flags.block_independence) {
prefix64k = 64 * 1024;
if (uncompressed_size < (ssize_t)prefix64k) {
memcpy(state->out_block
+ prefix64k - uncompressed_size,
read_buf + 4,
uncompressed_size);
memset(state->out_block, 0,
prefix64k - uncompressed_size);
} else {
memcpy(state->out_block,
read_buf + 4
+ uncompressed_size - prefix64k,
prefix64k);
}
state->decoded_size = 0;
}
state->unconsumed = 4 + uncompressed_size + checksum_size;
*p = read_buf + 4;
return uncompressed_size;
}
/*
Decompress a block data.
*/
if (state->flags.block_independence) {
prefix64k = 0;
uncompressed_size = LZ4_decompress_safe(read_buf + 4,
state->out_block, (int)compressed_size,
state->flags.block_maximum_size);
} else {
prefix64k = 64 * 1024;
if (state->decoded_size) {
if (state->decoded_size < prefix64k) {
memmove(state->out_block
+ prefix64k - state->decoded_size,
state->out_block + prefix64k,
state->decoded_size);
memset(state->out_block, 0,
prefix64k - state->decoded_size);
} else {
memmove(state->out_block,
state->out_block + state->decoded_size,
prefix64k);
}
}
#if LZ4_VERSION_MAJOR >= 1 && LZ4_VERSION_MINOR >= 7
uncompressed_size = LZ4_decompress_safe_usingDict(
read_buf + 4,
state->out_block + prefix64k, (int)compressed_size,
state->flags.block_maximum_size,
state->out_block,
prefix64k);
#else
uncompressed_size = LZ4_decompress_safe_withPrefix64k(
read_buf + 4,
state->out_block + prefix64k, (int)compressed_size,
state->flags.block_maximum_size);
#endif
}
/* Check if an error occurred in the decompression process. */
if (uncompressed_size < 0) {
archive_set_error(&(self->archive->archive),
ARCHIVE_ERRNO_MISC, "lz4 decompression failed");
return (ARCHIVE_FATAL);
}
state->unconsumed = 4 + compressed_size + checksum_size;
*p = state->out_block + prefix64k;
state->decoded_size = uncompressed_size;
return uncompressed_size;
malformed_error:
archive_set_error(&self->archive->archive, ARCHIVE_ERRNO_MISC,
"malformed lz4 data");
return (ARCHIVE_FATAL);
truncated_error:
archive_set_error(&self->archive->archive, ARCHIVE_ERRNO_MISC,
"truncated lz4 input");
return (ARCHIVE_FATAL);
}
static ssize_t
lz4_filter_read_default_stream(struct archive_read_filter *self, const void **p)
{
struct private_data *state = (struct private_data *)self->data;
const char *read_buf;
ssize_t bytes_remaining;
ssize_t ret;
if (state->stage == SELECT_STREAM) {
state->stage = READ_DEFAULT_STREAM;
/* First, read a descriptor. */
if((ret = lz4_filter_read_descriptor(self)) != ARCHIVE_OK)
return (ret);
state->stage = READ_DEFAULT_BLOCK;
}
/* Decompress a block. */
ret = lz4_filter_read_data_block(self, p);
/* If the end of block is detected, change the filter status
to read next stream. */
if (ret == 0 && *p == NULL)
state->stage = SELECT_STREAM;
/* Optional processing, checking a stream sum. */
if (state->flags.stream_checksum) {
if (state->stage == SELECT_STREAM) {
unsigned int checksum;
unsigned int checksum_stream;
read_buf = __archive_read_filter_ahead(self->upstream,
4, &bytes_remaining);
if (read_buf == NULL) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC, "truncated lz4 input");
return (ARCHIVE_FATAL);
}
checksum = archive_le32dec(read_buf);
__archive_read_filter_consume(self->upstream, 4);
checksum_stream = __archive_xxhash.XXH32_digest(
state->xxh32_state);
state->xxh32_state = NULL;
if (checksum != checksum_stream) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"lz4 stream checksum error");
return (ARCHIVE_FATAL);
}
} else if (ret > 0)
__archive_xxhash.XXH32_update(state->xxh32_state,
*p, (int)ret);
}
return (ret);
}
static ssize_t
lz4_filter_read_legacy_stream(struct archive_read_filter *self, const void **p)
{
struct private_data *state = (struct private_data *)self->data;
uint32_t compressed;
const char *read_buf;
ssize_t ret;
*p = NULL;
ret = lz4_allocate_out_block_for_legacy(self);
if (ret != ARCHIVE_OK)
return ret;
/* Make sure we have 4 bytes for a block size. */
read_buf = __archive_read_filter_ahead(self->upstream, 4, NULL);
if (read_buf == NULL) {
if (state->stage == SELECT_STREAM) {
state->stage = READ_LEGACY_STREAM;
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"truncated lz4 input");
return (ARCHIVE_FATAL);
}
state->stage = SELECT_STREAM;
return 0;
}
state->stage = READ_LEGACY_BLOCK;
compressed = archive_le32dec(read_buf);
if (compressed > LZ4_COMPRESSBOUND(LEGACY_BLOCK_SIZE)) {
state->stage = SELECT_STREAM;
return 0;
}
/* Make sure we have a whole block. */
read_buf = __archive_read_filter_ahead(self->upstream,
4 + compressed, NULL);
if (read_buf == NULL) {
archive_set_error(&(self->archive->archive),
ARCHIVE_ERRNO_MISC, "truncated lz4 input");
return (ARCHIVE_FATAL);
}
ret = LZ4_decompress_safe(read_buf + 4, state->out_block,
compressed, (int)state->out_block_size);
if (ret < 0) {
archive_set_error(&(self->archive->archive),
ARCHIVE_ERRNO_MISC, "lz4 decompression failed");
return (ARCHIVE_FATAL);
}
*p = state->out_block;
state->unconsumed = 4 + compressed;
return ret;
}
/*
* Clean up the decompressor.
*/
static int
lz4_filter_close(struct archive_read_filter *self)
{
struct private_data *state;
int ret = ARCHIVE_OK;
state = (struct private_data *)self->data;
free(state->xxh32_state);
free(state->out_block);
free(state);
return (ret);
}
#endif /* HAVE_LIBLZ4 */

494
3rdparty/libarchive/c/archive_read_support_filter_lzop.c vendored Normal file
View File

@ -0,0 +1,494 @@
/*-
* Copyright (c) 2003-2007 Tim Kientzle
* Copyright (c) 2012 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_LZO_LZOCONF_H
#include <lzo/lzoconf.h>
#endif
#ifdef HAVE_LZO_LZO1X_H
#include <lzo/lzo1x.h>
#endif
#ifdef HAVE_ZLIB_H
#include <zlib.h> /* for crc32 and adler32 */
#endif
#include "archive.h"
#if !defined(HAVE_ZLIB_H) &&\
defined(HAVE_LZO_LZOCONF_H) && defined(HAVE_LZO_LZO1X_H)
#include "archive_crc32.h"
#endif
#include "archive_endian.h"
#include "archive_private.h"
#include "archive_read_private.h"
#ifndef HAVE_ZLIB_H
#define adler32 lzo_adler32
#endif
#define LZOP_HEADER_MAGIC "\x89\x4c\x5a\x4f\x00\x0d\x0a\x1a\x0a"
#define LZOP_HEADER_MAGIC_LEN 9
#if defined(HAVE_LZO_LZOCONF_H) && defined(HAVE_LZO_LZO1X_H)
struct read_lzop {
unsigned char *out_block;
size_t out_block_size;
int64_t total_out;
int flags;
uint32_t compressed_cksum;
uint32_t uncompressed_cksum;
size_t compressed_size;
size_t uncompressed_size;
size_t unconsumed_bytes;
char in_stream;
char eof; /* True = found end of compressed data. */
};
#define FILTER 0x0800
#define CRC32_HEADER 0x1000
#define EXTRA_FIELD 0x0040
#define ADLER32_UNCOMPRESSED 0x0001
#define ADLER32_COMPRESSED 0x0002
#define CRC32_UNCOMPRESSED 0x0100
#define CRC32_COMPRESSED 0x0200
#define MAX_BLOCK_SIZE (64 * 1024 * 1024)
static ssize_t lzop_filter_read(struct archive_read_filter *, const void **);
static int lzop_filter_close(struct archive_read_filter *);
#endif
static int lzop_bidder_bid(struct archive_read_filter_bidder *,
struct archive_read_filter *);
static int lzop_bidder_init(struct archive_read_filter *);
int
archive_read_support_filter_lzop(struct archive *_a)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter_bidder *reader;
archive_check_magic(_a, ARCHIVE_READ_MAGIC,
ARCHIVE_STATE_NEW, "archive_read_support_filter_lzop");
if (__archive_read_get_bidder(a, &reader) != ARCHIVE_OK)
return (ARCHIVE_FATAL);
reader->data = NULL;
reader->bid = lzop_bidder_bid;
reader->init = lzop_bidder_init;
reader->options = NULL;
reader->free = NULL;
/* Signal the extent of lzop support with the return value here. */
#if defined(HAVE_LZO_LZOCONF_H) && defined(HAVE_LZO_LZO1X_H)
return (ARCHIVE_OK);
#else
/* Return ARCHIVE_WARN since this always uses an external program. */
archive_set_error(_a, ARCHIVE_ERRNO_MISC,
"Using external lzop program for lzop decompression");
return (ARCHIVE_WARN);
#endif
}
/*
* Bidder just verifies the header and returns the number of verified bits.
*/
static int
lzop_bidder_bid(struct archive_read_filter_bidder *self,
struct archive_read_filter *filter)
{
const unsigned char *p;
ssize_t avail;
(void)self; /* UNUSED */
p = __archive_read_filter_ahead(filter, LZOP_HEADER_MAGIC_LEN, &avail);
if (p == NULL || avail == 0)
return (0);
if (memcmp(p, LZOP_HEADER_MAGIC, LZOP_HEADER_MAGIC_LEN))
return (0);
return (LZOP_HEADER_MAGIC_LEN * 8);
}
#if !defined(HAVE_LZO_LZOCONF_H) || !defined(HAVE_LZO_LZO1X_H)
/*
* If we don't have the library on this system, we can't do the
* decompression directly. We can, however, try to run "lzop -d"
* in case that's available.
*/
static int
lzop_bidder_init(struct archive_read_filter *self)
{
int r;
r = __archive_read_program(self, "lzop -d");
/* Note: We set the format here even if __archive_read_program()
* above fails. We do, after all, know what the format is
* even if we weren't able to read it. */
self->code = ARCHIVE_FILTER_LZOP;
self->name = "lzop";
return (r);
}
#else
/*
* Initialize the filter object.
*/
static int
lzop_bidder_init(struct archive_read_filter *self)
{
struct read_lzop *state;
self->code = ARCHIVE_FILTER_LZOP;
self->name = "lzop";
state = (struct read_lzop *)calloc(sizeof(*state), 1);
if (state == NULL) {
archive_set_error(&self->archive->archive, ENOMEM,
"Can't allocate data for lzop decompression");
return (ARCHIVE_FATAL);
}
self->data = state;
self->read = lzop_filter_read;
self->skip = NULL; /* not supported */
self->close = lzop_filter_close;
return (ARCHIVE_OK);
}
static int
consume_header(struct archive_read_filter *self)
{
struct read_lzop *state = (struct read_lzop *)self->data;
const unsigned char *p, *_p;
unsigned checksum, flags, len, method, version;
/*
* Check LZOP magic code.
*/
p = __archive_read_filter_ahead(self->upstream,
LZOP_HEADER_MAGIC_LEN, NULL);
if (p == NULL)
return (ARCHIVE_EOF);
if (memcmp(p, LZOP_HEADER_MAGIC, LZOP_HEADER_MAGIC_LEN))
return (ARCHIVE_EOF);
__archive_read_filter_consume(self->upstream,
LZOP_HEADER_MAGIC_LEN);
p = __archive_read_filter_ahead(self->upstream, 29, NULL);
if (p == NULL)
goto truncated;
_p = p;
version = archive_be16dec(p);
p += 4;/* version(2 bytes) + library version(2 bytes) */
if (version >= 0x940) {
unsigned reqversion = archive_be16dec(p); p += 2;
if (reqversion < 0x900) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC, "Invalid required version");
return (ARCHIVE_FAILED);
}
}
method = *p++;
if (method < 1 || method > 3) {
archive_set_error(&self->archive->archive, ARCHIVE_ERRNO_MISC,
"Unsupported method");
return (ARCHIVE_FAILED);
}
if (version >= 0x940) {
unsigned level = *p++;
#if 0
unsigned default_level[] = {0, 3, 1, 9};
#endif
if (level == 0)
/* Method is 1..3 here due to check above. */
#if 0 /* Avoid an error Clang Static Analyzer claims
"Value stored to 'level' is never read". */
level = default_level[method];
#else
;/* NOP */
#endif
else if (level > 9) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC, "Invalid level");
return (ARCHIVE_FAILED);
}
}
flags = archive_be32dec(p); p += 4;
if (flags & FILTER)
p += 4; /* Skip filter */
p += 4; /* Skip mode */
if (version >= 0x940)
p += 8; /* Skip mtime */
else
p += 4; /* Skip mtime */
len = *p++; /* Read filename length */
len += p - _p;
/* Make sure we have all bytes we need to calculate checksum. */
p = __archive_read_filter_ahead(self->upstream, len + 4, NULL);
if (p == NULL)
goto truncated;
if (flags & CRC32_HEADER)
checksum = crc32(crc32(0, NULL, 0), p, len);
else
checksum = adler32(adler32(0, NULL, 0), p, len);
if (archive_be32dec(p + len) != checksum)
goto corrupted;
__archive_read_filter_consume(self->upstream, len + 4);
if (flags & EXTRA_FIELD) {
/* Skip extra field */
p = __archive_read_filter_ahead(self->upstream, 4, NULL);
if (p == NULL)
goto truncated;
len = archive_be32dec(p);
__archive_read_filter_consume(self->upstream, len + 4 + 4);
}
state->flags = flags;
state->in_stream = 1;
return (ARCHIVE_OK);
truncated:
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_FILE_FORMAT, "Truncated lzop data");
return (ARCHIVE_FAILED);
corrupted:
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_FILE_FORMAT, "Corrupted lzop header");
return (ARCHIVE_FAILED);
}
static int
consume_block_info(struct archive_read_filter *self)
{
struct read_lzop *state = (struct read_lzop *)self->data;
const unsigned char *p;
unsigned flags = state->flags;
p = __archive_read_filter_ahead(self->upstream, 4, NULL);
if (p == NULL)
goto truncated;
state->uncompressed_size = archive_be32dec(p);
__archive_read_filter_consume(self->upstream, 4);
if (state->uncompressed_size == 0)
return (ARCHIVE_EOF);
if (state->uncompressed_size > MAX_BLOCK_SIZE)
goto corrupted;
p = __archive_read_filter_ahead(self->upstream, 4, NULL);
if (p == NULL)
goto truncated;
state->compressed_size = archive_be32dec(p);
__archive_read_filter_consume(self->upstream, 4);
if (state->compressed_size > state->uncompressed_size)
goto corrupted;
if (flags & (CRC32_UNCOMPRESSED | ADLER32_UNCOMPRESSED)) {
p = __archive_read_filter_ahead(self->upstream, 4, NULL);
if (p == NULL)
goto truncated;
state->compressed_cksum = state->uncompressed_cksum =
archive_be32dec(p);
__archive_read_filter_consume(self->upstream, 4);
}
if ((flags & (CRC32_COMPRESSED | ADLER32_COMPRESSED)) &&
state->compressed_size < state->uncompressed_size) {
p = __archive_read_filter_ahead(self->upstream, 4, NULL);
if (p == NULL)
goto truncated;
state->compressed_cksum = archive_be32dec(p);
__archive_read_filter_consume(self->upstream, 4);
}
return (ARCHIVE_OK);
truncated:
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_FILE_FORMAT, "Truncated lzop data");
return (ARCHIVE_FAILED);
corrupted:
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_FILE_FORMAT, "Corrupted lzop header");
return (ARCHIVE_FAILED);
}
static ssize_t
lzop_filter_read(struct archive_read_filter *self, const void **p)
{
struct read_lzop *state = (struct read_lzop *)self->data;
const void *b;
lzo_uint out_size;
uint32_t cksum;
int ret, r;
if (state->unconsumed_bytes) {
__archive_read_filter_consume(self->upstream,
state->unconsumed_bytes);
state->unconsumed_bytes = 0;
}
if (state->eof)
return (0);
for (;;) {
if (!state->in_stream) {
ret = consume_header(self);
if (ret < ARCHIVE_OK)
return (ret);
if (ret == ARCHIVE_EOF) {
state->eof = 1;
return (0);
}
}
ret = consume_block_info(self);
if (ret < ARCHIVE_OK)
return (ret);
if (ret == ARCHIVE_EOF)
state->in_stream = 0;
else
break;
}
if (state->out_block == NULL ||
state->out_block_size < state->uncompressed_size) {
void *new_block;
new_block = realloc(state->out_block, state->uncompressed_size);
if (new_block == NULL) {
archive_set_error(&self->archive->archive, ENOMEM,
"Can't allocate data for lzop decompression");
return (ARCHIVE_FATAL);
}
state->out_block = new_block;
state->out_block_size = state->uncompressed_size;
}
b = __archive_read_filter_ahead(self->upstream,
state->compressed_size, NULL);
if (b == NULL) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_FILE_FORMAT, "Truncated lzop data");
return (ARCHIVE_FATAL);
}
if (state->flags & CRC32_COMPRESSED)
cksum = crc32(crc32(0, NULL, 0), b, state->compressed_size);
else if (state->flags & ADLER32_COMPRESSED)
cksum = adler32(adler32(0, NULL, 0), b, state->compressed_size);
else
cksum = state->compressed_cksum;
if (cksum != state->compressed_cksum) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC, "Corrupted data");
return (ARCHIVE_FATAL);
}
/*
* If the both uncompressed size and compressed size are the same,
* we do not decompress this block.
*/
if (state->uncompressed_size == state->compressed_size) {
*p = b;
state->total_out += state->compressed_size;
state->unconsumed_bytes = state->compressed_size;
return ((ssize_t)state->uncompressed_size);
}
/*
* Drive lzo uncompression.
*/
out_size = (lzo_uint)state->uncompressed_size;
r = lzo1x_decompress_safe(b, (lzo_uint)state->compressed_size,
state->out_block, &out_size, NULL);
switch (r) {
case LZO_E_OK:
if (out_size == state->uncompressed_size)
break;
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC, "Corrupted data");
return (ARCHIVE_FATAL);
case LZO_E_OUT_OF_MEMORY:
archive_set_error(&self->archive->archive, ENOMEM,
"lzop decompression failed: out of memory");
return (ARCHIVE_FATAL);
default:
archive_set_error(&self->archive->archive, ARCHIVE_ERRNO_MISC,
"lzop decompression failed: %d", r);
return (ARCHIVE_FATAL);
}
if (state->flags & CRC32_UNCOMPRESSED)
cksum = crc32(crc32(0, NULL, 0), state->out_block,
state->uncompressed_size);
else if (state->flags & ADLER32_UNCOMPRESSED)
cksum = adler32(adler32(0, NULL, 0), state->out_block,
state->uncompressed_size);
else
cksum = state->uncompressed_cksum;
if (cksum != state->uncompressed_cksum) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC, "Corrupted data");
return (ARCHIVE_FATAL);
}
__archive_read_filter_consume(self->upstream, state->compressed_size);
*p = state->out_block;
state->total_out += out_size;
return ((ssize_t)out_size);
}
/*
* Clean up the decompressor.
*/
static int
lzop_filter_close(struct archive_read_filter *self)
{
struct read_lzop *state = (struct read_lzop *)self->data;
free(state->out_block);
free(state);
return (ARCHIVE_OK);
}
#endif

52
3rdparty/libarchive/c/archive_read_support_filter_none.c vendored Normal file
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/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#include "archive.h"
#include "archive_private.h"
#if ARCHIVE_VERSION_NUMBER < 4000000
/* Deprecated; remove in libarchive 4.0 */
int
archive_read_support_compression_none(struct archive *a)
{
return archive_read_support_filter_none(a);
}
#endif
/*
* Uncompressed streams are handled implicitly by the read core,
* so this is now a no-op.
*/
int
archive_read_support_filter_none(struct archive *a)
{
archive_check_magic(a, ARCHIVE_READ_MAGIC,
ARCHIVE_STATE_NEW, "archive_read_support_filter_none");
return (ARCHIVE_OK);
}

503
3rdparty/libarchive/c/archive_read_support_filter_program.c vendored Normal file
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/*-
* Copyright (c) 2007 Joerg Sonnenberger
* Copyright (c) 2012 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_SYS_WAIT_H
# include <sys/wait.h>
#endif
#ifdef HAVE_ERRNO_H
# include <errno.h>
#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#ifdef HAVE_LIMITS_H
# include <limits.h>
#endif
#ifdef HAVE_SIGNAL_H
# include <signal.h>
#endif
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "archive.h"
#include "archive_private.h"
#include "archive_string.h"
#include "archive_read_private.h"
#include "filter_fork.h"
#if ARCHIVE_VERSION_NUMBER < 4000000
/* Deprecated; remove in libarchive 4.0 */
int
archive_read_support_compression_program(struct archive *a, const char *cmd)
{
return archive_read_support_filter_program(a, cmd);
}
int
archive_read_support_compression_program_signature(struct archive *a,
const char *cmd, const void *signature, size_t signature_len)
{
return archive_read_support_filter_program_signature(a,
cmd, signature, signature_len);
}
#endif
int
archive_read_support_filter_program(struct archive *a, const char *cmd)
{
return (archive_read_support_filter_program_signature(a, cmd, NULL, 0));
}
/*
* The bidder object stores the command and the signature to watch for.
* The 'inhibit' entry here is used to ensure that unchecked filters never
* bid twice in the same pipeline.
*/
struct program_bidder {
char *description;
char *cmd;
void *signature;
size_t signature_len;
int inhibit;
};
static int program_bidder_bid(struct archive_read_filter_bidder *,
struct archive_read_filter *upstream);
static int program_bidder_init(struct archive_read_filter *);
static int program_bidder_free(struct archive_read_filter_bidder *);
/*
* The actual filter needs to track input and output data.
*/
struct program_filter {
struct archive_string description;
#if defined(_WIN32) && !defined(__CYGWIN__)
HANDLE child;
#else
pid_t child;
#endif
int exit_status;
int waitpid_return;
int child_stdin, child_stdout;
char *out_buf;
size_t out_buf_len;
};
static ssize_t program_filter_read(struct archive_read_filter *,
const void **);
static int program_filter_close(struct archive_read_filter *);
static void free_state(struct program_bidder *);
static int
set_bidder_signature(struct archive_read_filter_bidder *bidder,
struct program_bidder *state, const void *signature, size_t signature_len)
{
if (signature != NULL && signature_len > 0) {
state->signature_len = signature_len;
state->signature = malloc(signature_len);
memcpy(state->signature, signature, signature_len);
}
/*
* Fill in the bidder object.
*/
bidder->data = state;
bidder->bid = program_bidder_bid;
bidder->init = program_bidder_init;
bidder->options = NULL;
bidder->free = program_bidder_free;
return (ARCHIVE_OK);
}
int
archive_read_support_filter_program_signature(struct archive *_a,
const char *cmd, const void *signature, size_t signature_len)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter_bidder *bidder;
struct program_bidder *state;
/*
* Get a bidder object from the read core.
*/
if (__archive_read_get_bidder(a, &bidder) != ARCHIVE_OK)
return (ARCHIVE_FATAL);
/*
* Allocate our private state.
*/
state = (struct program_bidder *)calloc(1, sizeof (*state));
if (state == NULL)
goto memerr;
state->cmd = strdup(cmd);
if (state->cmd == NULL)
goto memerr;
return set_bidder_signature(bidder, state, signature, signature_len);
memerr:
free_state(state);
archive_set_error(_a, ENOMEM, "Can't allocate memory");
return (ARCHIVE_FATAL);
}
static int
program_bidder_free(struct archive_read_filter_bidder *self)
{
struct program_bidder *state = (struct program_bidder *)self->data;
free_state(state);
return (ARCHIVE_OK);
}
static void
free_state(struct program_bidder *state)
{
if (state) {
free(state->cmd);
free(state->signature);
free(state);
}
}
/*
* If we do have a signature, bid only if that matches.
*
* If there's no signature, we bid INT_MAX the first time
* we're called, then never bid again.
*/
static int
program_bidder_bid(struct archive_read_filter_bidder *self,
struct archive_read_filter *upstream)
{
struct program_bidder *state = self->data;
const char *p;
/* If we have a signature, use that to match. */
if (state->signature_len > 0) {
p = __archive_read_filter_ahead(upstream,
state->signature_len, NULL);
if (p == NULL)
return (0);
/* No match, so don't bid. */
if (memcmp(p, state->signature, state->signature_len) != 0)
return (0);
return ((int)state->signature_len * 8);
}
/* Otherwise, bid once and then never bid again. */
if (state->inhibit)
return (0);
state->inhibit = 1;
return (INT_MAX);
}
/*
* Shut down the child, return ARCHIVE_OK if it exited normally.
*
* Note that the return value is sticky; if we're called again,
* we won't reap the child again, but we will return the same status
* (including error message if the child came to a bad end).
*/
static int
child_stop(struct archive_read_filter *self, struct program_filter *state)
{
/* Close our side of the I/O with the child. */
if (state->child_stdin != -1) {
close(state->child_stdin);
state->child_stdin = -1;
}
if (state->child_stdout != -1) {
close(state->child_stdout);
state->child_stdout = -1;
}
if (state->child != 0) {
/* Reap the child. */
do {
state->waitpid_return
= waitpid(state->child, &state->exit_status, 0);
} while (state->waitpid_return == -1 && errno == EINTR);
#if defined(_WIN32) && !defined(__CYGWIN__)
CloseHandle(state->child);
#endif
state->child = 0;
}
if (state->waitpid_return < 0) {
/* waitpid() failed? This is ugly. */
archive_set_error(&self->archive->archive, ARCHIVE_ERRNO_MISC,
"Child process exited badly");
return (ARCHIVE_WARN);
}
#if !defined(_WIN32) || defined(__CYGWIN__)
if (WIFSIGNALED(state->exit_status)) {
#ifdef SIGPIPE
/* If the child died because we stopped reading before
* it was done, that's okay. Some archive formats
* have padding at the end that we routinely ignore. */
/* The alternative to this would be to add a step
* before close(child_stdout) above to read from the
* child until the child has no more to write. */
if (WTERMSIG(state->exit_status) == SIGPIPE)
return (ARCHIVE_OK);
#endif
archive_set_error(&self->archive->archive, ARCHIVE_ERRNO_MISC,
"Child process exited with signal %d",
WTERMSIG(state->exit_status));
return (ARCHIVE_WARN);
}
#endif /* !_WIN32 || __CYGWIN__ */
if (WIFEXITED(state->exit_status)) {
if (WEXITSTATUS(state->exit_status) == 0)
return (ARCHIVE_OK);
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Child process exited with status %d",
WEXITSTATUS(state->exit_status));
return (ARCHIVE_WARN);
}
return (ARCHIVE_WARN);
}
/*
* Use select() to decide whether the child is ready for read or write.
*/
static ssize_t
child_read(struct archive_read_filter *self, char *buf, size_t buf_len)
{
struct program_filter *state = self->data;
ssize_t ret, requested, avail;
const char *p;
#if defined(_WIN32) && !defined(__CYGWIN__)
HANDLE handle = (HANDLE)_get_osfhandle(state->child_stdout);
#endif
requested = buf_len > SSIZE_MAX ? SSIZE_MAX : buf_len;
for (;;) {
do {
#if defined(_WIN32) && !defined(__CYGWIN__)
/* Avoid infinity wait.
* Note: If there is no data in the pipe, ReadFile()
* called in read() never returns and so we won't
* write remaining encoded data to the pipe.
* Note: This way may cause performance problem.
* we are looking forward to great code to resolve
* this. */
DWORD pipe_avail = -1;
int cnt = 2;
while (PeekNamedPipe(handle, NULL, 0, NULL,
&pipe_avail, NULL) != 0 && pipe_avail == 0 &&
cnt--)
Sleep(5);
if (pipe_avail == 0) {
ret = -1;
errno = EAGAIN;
break;
}
#endif
ret = read(state->child_stdout, buf, requested);
} while (ret == -1 && errno == EINTR);
if (ret > 0)
return (ret);
if (ret == 0 || (ret == -1 && errno == EPIPE))
/* Child has closed its output; reap the child
* and return the status. */
return (child_stop(self, state));
if (ret == -1 && errno != EAGAIN)
return (-1);
if (state->child_stdin == -1) {
/* Block until child has some I/O ready. */
__archive_check_child(state->child_stdin,
state->child_stdout);
continue;
}
/* Get some more data from upstream. */
p = __archive_read_filter_ahead(self->upstream, 1, &avail);
if (p == NULL) {
close(state->child_stdin);
state->child_stdin = -1;
fcntl(state->child_stdout, F_SETFL, 0);
if (avail < 0)
return (avail);
continue;
}
do {
ret = write(state->child_stdin, p, avail);
} while (ret == -1 && errno == EINTR);
if (ret > 0) {
/* Consume whatever we managed to write. */
__archive_read_filter_consume(self->upstream, ret);
} else if (ret == -1 && errno == EAGAIN) {
/* Block until child has some I/O ready. */
__archive_check_child(state->child_stdin,
state->child_stdout);
} else {
/* Write failed. */
close(state->child_stdin);
state->child_stdin = -1;
fcntl(state->child_stdout, F_SETFL, 0);
/* If it was a bad error, we're done; otherwise
* it was EPIPE or EOF, and we can still read
* from the child. */
if (ret == -1 && errno != EPIPE)
return (-1);
}
}
}
int
__archive_read_program(struct archive_read_filter *self, const char *cmd)
{
struct program_filter *state;
static const size_t out_buf_len = 65536;
char *out_buf;
const char *prefix = "Program: ";
int ret;
size_t l;
l = strlen(prefix) + strlen(cmd) + 1;
state = (struct program_filter *)calloc(1, sizeof(*state));
out_buf = (char *)malloc(out_buf_len);
if (state == NULL || out_buf == NULL ||
archive_string_ensure(&state->description, l) == NULL) {
archive_set_error(&self->archive->archive, ENOMEM,
"Can't allocate input data");
if (state != NULL) {
archive_string_free(&state->description);
free(state);
}
free(out_buf);
return (ARCHIVE_FATAL);
}
archive_strcpy(&state->description, prefix);
archive_strcat(&state->description, cmd);
self->code = ARCHIVE_FILTER_PROGRAM;
self->name = state->description.s;
state->out_buf = out_buf;
state->out_buf_len = out_buf_len;
ret = __archive_create_child(cmd, &state->child_stdin,
&state->child_stdout, &state->child);
if (ret != ARCHIVE_OK) {
free(state->out_buf);
archive_string_free(&state->description);
free(state);
archive_set_error(&self->archive->archive, EINVAL,
"Can't initialize filter; unable to run program \"%s\"",
cmd);
return (ARCHIVE_FATAL);
}
self->data = state;
self->read = program_filter_read;
self->skip = NULL;
self->close = program_filter_close;
/* XXX Check that we can read at least one byte? */
return (ARCHIVE_OK);
}
static int
program_bidder_init(struct archive_read_filter *self)
{
struct program_bidder *bidder_state;
bidder_state = (struct program_bidder *)self->bidder->data;
return (__archive_read_program(self, bidder_state->cmd));
}
static ssize_t
program_filter_read(struct archive_read_filter *self, const void **buff)
{
struct program_filter *state;
ssize_t bytes;
size_t total;
char *p;
state = (struct program_filter *)self->data;
total = 0;
p = state->out_buf;
while (state->child_stdout != -1 && total < state->out_buf_len) {
bytes = child_read(self, p, state->out_buf_len - total);
if (bytes < 0)
/* No recovery is possible if we can no longer
* read from the child. */
return (ARCHIVE_FATAL);
if (bytes == 0)
/* We got EOF from the child. */
break;
total += bytes;
p += bytes;
}
*buff = state->out_buf;
return (total);
}
static int
program_filter_close(struct archive_read_filter *self)
{
struct program_filter *state;
int e;
state = (struct program_filter *)self->data;
e = child_stop(self, state);
/* Release our private data. */
free(state->out_buf);
archive_string_free(&state->description);
free(state);
return (e);
}

289
3rdparty/libarchive/c/archive_read_support_filter_rpm.c vendored Normal file
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/*-
* Copyright (c) 2009 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include "archive.h"
#include "archive_endian.h"
#include "archive_private.h"
#include "archive_read_private.h"
struct rpm {
int64_t total_in;
size_t hpos;
size_t hlen;
unsigned char header[16];
enum {
ST_LEAD, /* Skipping 'Lead' section. */
ST_HEADER, /* Reading 'Header' section;
* first 16 bytes. */
ST_HEADER_DATA, /* Skipping 'Header' section. */
ST_PADDING, /* Skipping padding data after the
* 'Header' section. */
ST_ARCHIVE /* Reading 'Archive' section. */
} state;
int first_header;
};
#define RPM_LEAD_SIZE 96 /* Size of 'Lead' section. */
static int rpm_bidder_bid(struct archive_read_filter_bidder *,
struct archive_read_filter *);
static int rpm_bidder_init(struct archive_read_filter *);
static ssize_t rpm_filter_read(struct archive_read_filter *,
const void **);
static int rpm_filter_close(struct archive_read_filter *);
#if ARCHIVE_VERSION_NUMBER < 4000000
/* Deprecated; remove in libarchive 4.0 */
int
archive_read_support_compression_rpm(struct archive *a)
{
return archive_read_support_filter_rpm(a);
}
#endif
int
archive_read_support_filter_rpm(struct archive *_a)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter_bidder *bidder;
archive_check_magic(_a, ARCHIVE_READ_MAGIC,
ARCHIVE_STATE_NEW, "archive_read_support_filter_rpm");
if (__archive_read_get_bidder(a, &bidder) != ARCHIVE_OK)
return (ARCHIVE_FATAL);
bidder->data = NULL;
bidder->name = "rpm";
bidder->bid = rpm_bidder_bid;
bidder->init = rpm_bidder_init;
bidder->options = NULL;
bidder->free = NULL;
return (ARCHIVE_OK);
}
static int
rpm_bidder_bid(struct archive_read_filter_bidder *self,
struct archive_read_filter *filter)
{
const unsigned char *b;
ssize_t avail;
int bits_checked;
(void)self; /* UNUSED */
b = __archive_read_filter_ahead(filter, 8, &avail);
if (b == NULL)
return (0);
bits_checked = 0;
/*
* Verify Header Magic Bytes : 0XED 0XAB 0XEE 0XDB
*/
if (memcmp(b, "\xED\xAB\xEE\xDB", 4) != 0)
return (0);
bits_checked += 32;
/*
* Check major version.
*/
if (b[4] != 3 && b[4] != 4)
return (0);
bits_checked += 8;
/*
* Check package type; binary or source.
*/
if (b[6] != 0)
return (0);
bits_checked += 8;
if (b[7] != 0 && b[7] != 1)
return (0);
bits_checked += 8;
return (bits_checked);
}
static int
rpm_bidder_init(struct archive_read_filter *self)
{
struct rpm *rpm;
self->code = ARCHIVE_FILTER_RPM;
self->name = "rpm";
self->read = rpm_filter_read;
self->skip = NULL; /* not supported */
self->close = rpm_filter_close;
rpm = (struct rpm *)calloc(sizeof(*rpm), 1);
if (rpm == NULL) {
archive_set_error(&self->archive->archive, ENOMEM,
"Can't allocate data for rpm");
return (ARCHIVE_FATAL);
}
self->data = rpm;
rpm->state = ST_LEAD;
return (ARCHIVE_OK);
}
static ssize_t
rpm_filter_read(struct archive_read_filter *self, const void **buff)
{
struct rpm *rpm;
const unsigned char *b;
ssize_t avail_in, total;
size_t used, n;
uint32_t section;
uint32_t bytes;
rpm = (struct rpm *)self->data;
*buff = NULL;
total = avail_in = 0;
b = NULL;
used = 0;
do {
if (b == NULL) {
b = __archive_read_filter_ahead(self->upstream, 1,
&avail_in);
if (b == NULL) {
if (avail_in < 0)
return (ARCHIVE_FATAL);
else
break;
}
}
switch (rpm->state) {
case ST_LEAD:
if (rpm->total_in + avail_in < RPM_LEAD_SIZE)
used += avail_in;
else {
n = (size_t)(RPM_LEAD_SIZE - rpm->total_in);
used += n;
b += n;
rpm->state = ST_HEADER;
rpm->hpos = 0;
rpm->hlen = 0;
rpm->first_header = 1;
}
break;
case ST_HEADER:
n = 16 - rpm->hpos;
if (n > avail_in - used)
n = avail_in - used;
memcpy(rpm->header+rpm->hpos, b, n);
b += n;
used += n;
rpm->hpos += n;
if (rpm->hpos == 16) {
if (rpm->header[0] != 0x8e ||
rpm->header[1] != 0xad ||
rpm->header[2] != 0xe8 ||
rpm->header[3] != 0x01) {
if (rpm->first_header) {
archive_set_error(
&self->archive->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Unrecoginized rpm header");
return (ARCHIVE_FATAL);
}
rpm->state = ST_ARCHIVE;
*buff = rpm->header;
total = rpm->hpos;
break;
}
/* Calculate 'Header' length. */
section = archive_be32dec(rpm->header+8);
bytes = archive_be32dec(rpm->header+12);
rpm->hlen = 16 + section * 16 + bytes;
rpm->state = ST_HEADER_DATA;
rpm->first_header = 0;
}
break;
case ST_HEADER_DATA:
n = rpm->hlen - rpm->hpos;
if (n > avail_in - used)
n = avail_in - used;
b += n;
used += n;
rpm->hpos += n;
if (rpm->hpos == rpm->hlen)
rpm->state = ST_PADDING;
break;
case ST_PADDING:
while (used < (size_t)avail_in) {
if (*b != 0) {
/* Read next header. */
rpm->state = ST_HEADER;
rpm->hpos = 0;
rpm->hlen = 0;
break;
}
b++;
used++;
}
break;
case ST_ARCHIVE:
*buff = b;
total = avail_in;
used = avail_in;
break;
}
if (used == (size_t)avail_in) {
rpm->total_in += used;
__archive_read_filter_consume(self->upstream, used);
b = NULL;
used = 0;
}
} while (total == 0 && avail_in > 0);
if (used > 0 && b != NULL) {
rpm->total_in += used;
__archive_read_filter_consume(self->upstream, used);
}
return (total);
}
static int
rpm_filter_close(struct archive_read_filter *self)
{
struct rpm *rpm;
rpm = (struct rpm *)self->data;
free(rpm);
return (ARCHIVE_OK);
}

685
3rdparty/libarchive/c/archive_read_support_filter_uu.c vendored Normal file
View File

@ -0,0 +1,685 @@
/*-
* Copyright (c) 2009-2011 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "archive_platform.h"
__FBSDID("$FreeBSD$");
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "archive.h"
#include "archive_private.h"
#include "archive_read_private.h"
/* Maximum lookahead during bid phase */
#define UUENCODE_BID_MAX_READ 128*1024 /* in bytes */
struct uudecode {
int64_t total;
unsigned char *in_buff;
#define IN_BUFF_SIZE (1024)
int in_cnt;
size_t in_allocated;
unsigned char *out_buff;
#define OUT_BUFF_SIZE (64 * 1024)
int state;
#define ST_FIND_HEAD 0
#define ST_READ_UU 1
#define ST_UUEND 2
#define ST_READ_BASE64 3
#define ST_IGNORE 4
};
static int uudecode_bidder_bid(struct archive_read_filter_bidder *,
struct archive_read_filter *filter);
static int uudecode_bidder_init(struct archive_read_filter *);
static ssize_t uudecode_filter_read(struct archive_read_filter *,
const void **);
static int uudecode_filter_close(struct archive_read_filter *);
#if ARCHIVE_VERSION_NUMBER < 4000000
/* Deprecated; remove in libarchive 4.0 */
int
archive_read_support_compression_uu(struct archive *a)
{
return archive_read_support_filter_uu(a);
}
#endif
int
archive_read_support_filter_uu(struct archive *_a)
{
struct archive_read *a = (struct archive_read *)_a;
struct archive_read_filter_bidder *bidder;
archive_check_magic(_a, ARCHIVE_READ_MAGIC,
ARCHIVE_STATE_NEW, "archive_read_support_filter_uu");
if (__archive_read_get_bidder(a, &bidder) != ARCHIVE_OK)
return (ARCHIVE_FATAL);
bidder->data = NULL;
bidder->name = "uu";
bidder->bid = uudecode_bidder_bid;
bidder->init = uudecode_bidder_init;
bidder->options = NULL;
bidder->free = NULL;
return (ARCHIVE_OK);
}
static const unsigned char ascii[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '\n', 0, 0, '\r', 0, 0, /* 00 - 0F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 10 - 1F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 20 - 2F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 30 - 3F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 40 - 4F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 50 - 5F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 60 - 6F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, /* 70 - 7F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 80 - 8F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 90 - 9F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* A0 - AF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* B0 - BF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* C0 - CF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* D0 - DF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* E0 - EF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* F0 - FF */
};
static const unsigned char uuchar[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 00 - 0F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 10 - 1F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 20 - 2F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 30 - 3F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 40 - 4F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 50 - 5F */
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 60 - 6F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 70 - 7F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 80 - 8F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 90 - 9F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* A0 - AF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* B0 - BF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* C0 - CF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* D0 - DF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* E0 - EF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* F0 - FF */
};
static const unsigned char base64[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 00 - 0F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 10 - 1F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, /* 20 - 2F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, /* 30 - 3F */
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 40 - 4F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, /* 50 - 5F */
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 60 - 6F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, /* 70 - 7F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 80 - 8F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 90 - 9F */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* A0 - AF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* B0 - BF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* C0 - CF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* D0 - DF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* E0 - EF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* F0 - FF */
};
static const int base64num[128] = {
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, /* 00 - 0F */
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, /* 10 - 1F */
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 62, 0, 0, 0, 63, /* 20 - 2F */
52, 53, 54, 55, 56, 57, 58, 59,
60, 61, 0, 0, 0, 0, 0, 0, /* 30 - 3F */
0, 0, 1, 2, 3, 4, 5, 6,
7, 8, 9, 10, 11, 12, 13, 14, /* 40 - 4F */
15, 16, 17, 18, 19, 20, 21, 22,
23, 24, 25, 0, 0, 0, 0, 0, /* 50 - 5F */
0, 26, 27, 28, 29, 30, 31, 32,
33, 34, 35, 36, 37, 38, 39, 40, /* 60 - 6F */
41, 42, 43, 44, 45, 46, 47, 48,
49, 50, 51, 0, 0, 0, 0, 0, /* 70 - 7F */
};
static ssize_t
get_line(const unsigned char *b, ssize_t avail, ssize_t *nlsize)
{
ssize_t len;
len = 0;
while (len < avail) {
switch (ascii[*b]) {
case 0: /* Non-ascii character or control character. */
if (nlsize != NULL)
*nlsize = 0;
return (-1);
case '\r':
if (avail-len > 1 && b[1] == '\n') {
if (nlsize != NULL)
*nlsize = 2;
return (len+2);
}
/* FALL THROUGH */
case '\n':
if (nlsize != NULL)
*nlsize = 1;
return (len+1);
case 1:
b++;
len++;
break;
}
}
if (nlsize != NULL)
*nlsize = 0;
return (avail);
}
static ssize_t
bid_get_line(struct archive_read_filter *filter,
const unsigned char **b, ssize_t *avail, ssize_t *ravail,
ssize_t *nl, size_t* nbytes_read)
{
ssize_t len;
int quit;
quit = 0;
if (*avail == 0) {
*nl = 0;
len = 0;
} else
len = get_line(*b, *avail, nl);
/*
* Read bytes more while it does not reach the end of line.
*/
while (*nl == 0 && len == *avail && !quit &&
*nbytes_read < UUENCODE_BID_MAX_READ) {
ssize_t diff = *ravail - *avail;
size_t nbytes_req = (*ravail+1023) & ~1023U;
ssize_t tested;
/* Increase reading bytes if it is not enough to at least
* new two lines. */
if (nbytes_req < (size_t)*ravail + 160)
nbytes_req <<= 1;
*b = __archive_read_filter_ahead(filter, nbytes_req, avail);
if (*b == NULL) {
if (*ravail >= *avail)
return (0);
/* Reading bytes reaches the end of a stream. */
*b = __archive_read_filter_ahead(filter, *avail, avail);
quit = 1;
}
*nbytes_read = *avail;
*ravail = *avail;
*b += diff;
*avail -= diff;
tested = len;/* Skip some bytes we already determinated. */
len = get_line(*b + tested, *avail - tested, nl);
if (len >= 0)
len += tested;
}
return (len);
}
#define UUDECODE(c) (((c) - 0x20) & 0x3f)
static int
uudecode_bidder_bid(struct archive_read_filter_bidder *self,
struct archive_read_filter *filter)
{
const unsigned char *b;
ssize_t avail, ravail;
ssize_t len, nl;
int l;
int firstline;
size_t nbytes_read;
(void)self; /* UNUSED */
b = __archive_read_filter_ahead(filter, 1, &avail);
if (b == NULL)
return (0);
firstline = 20;
ravail = avail;
nbytes_read = avail;
for (;;) {
len = bid_get_line(filter, &b, &avail, &ravail, &nl, &nbytes_read);
if (len < 0 || nl == 0)
return (0); /* No match found. */
if (len - nl >= 11 && memcmp(b, "begin ", 6) == 0)
l = 6;
else if (len -nl >= 18 && memcmp(b, "begin-base64 ", 13) == 0)
l = 13;
else
l = 0;
if (l > 0 && (b[l] < '0' || b[l] > '7' ||
b[l+1] < '0' || b[l+1] > '7' ||
b[l+2] < '0' || b[l+2] > '7' || b[l+3] != ' '))
l = 0;
b += len;
avail -= len;
if (l)
break;
firstline = 0;
/* Do not read more than UUENCODE_BID_MAX_READ bytes */
if (nbytes_read >= UUENCODE_BID_MAX_READ)
return (0);
}
if (!avail)
return (0);
len = bid_get_line(filter, &b, &avail, &ravail, &nl, &nbytes_read);
if (len < 0 || nl == 0)
return (0);/* There are non-ascii characters. */
avail -= len;
if (l == 6) {
/* "begin " */
if (!uuchar[*b])
return (0);
/* Get a length of decoded bytes. */
l = UUDECODE(*b++); len--;
if (l > 45)
/* Normally, maximum length is 45(character 'M'). */
return (0);
if (l > len - nl)
return (0); /* Line too short. */
while (l) {
if (!uuchar[*b++])
return (0);
--len;
--l;
}
if (len-nl == 1 &&
(uuchar[*b] || /* Check sum. */
(*b >= 'a' && *b <= 'z'))) {/* Padding data(MINIX). */
++b;
--len;
}
b += nl;
if (avail && uuchar[*b])
return (firstline+30);
} else if (l == 13) {
/* "begin-base64 " */
while (len-nl > 0) {
if (!base64[*b++])
return (0);
--len;
}
b += nl;
if (avail >= 5 && memcmp(b, "====\n", 5) == 0)
return (firstline+40);
if (avail >= 6 && memcmp(b, "====\r\n", 6) == 0)
return (firstline+40);
if (avail > 0 && base64[*b])
return (firstline+30);
}
return (0);
}
static int
uudecode_bidder_init(struct archive_read_filter *self)
{
struct uudecode *uudecode;
void *out_buff;
void *in_buff;
self->code = ARCHIVE_FILTER_UU;
self->name = "uu";
self->read = uudecode_filter_read;
self->skip = NULL; /* not supported */
self->close = uudecode_filter_close;
uudecode = (struct uudecode *)calloc(sizeof(*uudecode), 1);
out_buff = malloc(OUT_BUFF_SIZE);
in_buff = malloc(IN_BUFF_SIZE);
if (uudecode == NULL || out_buff == NULL || in_buff == NULL) {
archive_set_error(&self->archive->archive, ENOMEM,
"Can't allocate data for uudecode");
free(uudecode);
free(out_buff);
free(in_buff);
return (ARCHIVE_FATAL);
}
self->data = uudecode;
uudecode->in_buff = in_buff;
uudecode->in_cnt = 0;
uudecode->in_allocated = IN_BUFF_SIZE;
uudecode->out_buff = out_buff;
uudecode->state = ST_FIND_HEAD;
return (ARCHIVE_OK);
}
static int
ensure_in_buff_size(struct archive_read_filter *self,
struct uudecode *uudecode, size_t size)
{
if (size > uudecode->in_allocated) {
unsigned char *ptr;
size_t newsize;
/*
* Calculate a new buffer size for in_buff.
* Increase its value until it has enough size we need.
*/
newsize = uudecode->in_allocated;
do {
if (newsize < IN_BUFF_SIZE*32)
newsize <<= 1;
else
newsize += IN_BUFF_SIZE;
} while (size > newsize);
/* Allocate the new buffer. */
ptr = malloc(newsize);
if (ptr == NULL) {
free(ptr);
archive_set_error(&self->archive->archive,
ENOMEM,
"Can't allocate data for uudecode");
return (ARCHIVE_FATAL);
}
/* Move the remaining data in in_buff into the new buffer. */
if (uudecode->in_cnt)
memmove(ptr, uudecode->in_buff, uudecode->in_cnt);
/* Replace in_buff with the new buffer. */
free(uudecode->in_buff);
uudecode->in_buff = ptr;
uudecode->in_allocated = newsize;
}
return (ARCHIVE_OK);
}
static ssize_t
uudecode_filter_read(struct archive_read_filter *self, const void **buff)
{
struct uudecode *uudecode;
const unsigned char *b, *d;
unsigned char *out;
ssize_t avail_in, ravail;
ssize_t used;
ssize_t total;
ssize_t len, llen, nl;
uudecode = (struct uudecode *)self->data;
read_more:
d = __archive_read_filter_ahead(self->upstream, 1, &avail_in);
if (d == NULL && avail_in < 0)
return (ARCHIVE_FATAL);
/* Quiet a code analyzer; make sure avail_in must be zero
* when d is NULL. */
if (d == NULL)
avail_in = 0;
used = 0;
total = 0;
out = uudecode->out_buff;
ravail = avail_in;
if (uudecode->state == ST_IGNORE) {
used = avail_in;
goto finish;
}
if (uudecode->in_cnt) {
/*
* If there is remaining data which is saved by
* previous calling, use it first.
*/
if (ensure_in_buff_size(self, uudecode,
avail_in + uudecode->in_cnt) != ARCHIVE_OK)
return (ARCHIVE_FATAL);
memcpy(uudecode->in_buff + uudecode->in_cnt,
d, avail_in);
d = uudecode->in_buff;
avail_in += uudecode->in_cnt;
uudecode->in_cnt = 0;
}
for (;used < avail_in; d += llen, used += llen) {
int64_t l, body;
b = d;
len = get_line(b, avail_in - used, &nl);
if (len < 0) {
/* Non-ascii character is found. */
if (uudecode->state == ST_FIND_HEAD &&
(uudecode->total > 0 || total > 0)) {
uudecode->state = ST_IGNORE;
used = avail_in;
goto finish;
}
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Insufficient compressed data");
return (ARCHIVE_FATAL);
}
llen = len;
if ((nl == 0) && (uudecode->state != ST_UUEND)) {
if (total == 0 && ravail <= 0) {
/* There is nothing more to read, fail */
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Missing format data");
return (ARCHIVE_FATAL);
}
/*
* Save remaining data which does not contain
* NL('\n','\r').
*/
if (ensure_in_buff_size(self, uudecode, len)
!= ARCHIVE_OK)
return (ARCHIVE_FATAL);
if (uudecode->in_buff != b)
memmove(uudecode->in_buff, b, len);
uudecode->in_cnt = (int)len;
if (total == 0) {
/* Do not return 0; it means end-of-file.
* We should try to read bytes more. */
__archive_read_filter_consume(
self->upstream, ravail);
goto read_more;
}
used += len;
break;
}
switch (uudecode->state) {
default:
case ST_FIND_HEAD:
/* Do not read more than UUENCODE_BID_MAX_READ bytes */
if (total + len >= UUENCODE_BID_MAX_READ) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_FILE_FORMAT,
"Invalid format data");
return (ARCHIVE_FATAL);
}
if (len - nl >= 11 && memcmp(b, "begin ", 6) == 0)
l = 6;
else if (len - nl >= 18 &&
memcmp(b, "begin-base64 ", 13) == 0)
l = 13;
else
l = 0;
if (l != 0 && b[l] >= '0' && b[l] <= '7' &&
b[l+1] >= '0' && b[l+1] <= '7' &&
b[l+2] >= '0' && b[l+2] <= '7' && b[l+3] == ' ') {
if (l == 6)
uudecode->state = ST_READ_UU;
else
uudecode->state = ST_READ_BASE64;
}
break;
case ST_READ_UU:
if (total + len * 2 > OUT_BUFF_SIZE)
goto finish;
body = len - nl;
if (!uuchar[*b] || body <= 0) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Insufficient compressed data");
return (ARCHIVE_FATAL);
}
/* Get length of undecoded bytes of current line. */
l = UUDECODE(*b++);
body--;
if (l > body) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Insufficient compressed data");
return (ARCHIVE_FATAL);
}
if (l == 0) {
uudecode->state = ST_UUEND;
break;
}
while (l > 0) {
int n = 0;
if (!uuchar[b[0]] || !uuchar[b[1]])
break;
n = UUDECODE(*b++) << 18;
n |= UUDECODE(*b++) << 12;
*out++ = n >> 16; total++;
--l;
if (l > 0) {
if (!uuchar[b[0]])
break;
n |= UUDECODE(*b++) << 6;
*out++ = (n >> 8) & 0xFF; total++;
--l;
}
if (l > 0) {
if (!uuchar[b[0]])
break;
n |= UUDECODE(*b++);
*out++ = n & 0xFF; total++;
--l;
}
}
if (l) {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Insufficient compressed data");
return (ARCHIVE_FATAL);
}
break;
case ST_UUEND:
if (len - nl == 3 && memcmp(b, "end ", 3) == 0)
uudecode->state = ST_FIND_HEAD;
else {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Insufficient compressed data");
return (ARCHIVE_FATAL);
}
break;
case ST_READ_BASE64:
if (total + len * 2 > OUT_BUFF_SIZE)
goto finish;
l = len - nl;
if (l >= 3 && b[0] == '=' && b[1] == '=' &&
b[2] == '=') {
uudecode->state = ST_FIND_HEAD;
break;
}
while (l > 0) {
int n = 0;
if (!base64[b[0]] || !base64[b[1]])
break;
n = base64num[*b++] << 18;
n |= base64num[*b++] << 12;
*out++ = n >> 16; total++;
l -= 2;
if (l > 0) {
if (*b == '=')
break;
if (!base64[*b])
break;
n |= base64num[*b++] << 6;
*out++ = (n >> 8) & 0xFF; total++;
--l;
}
if (l > 0) {
if (*b == '=')
break;
if (!base64[*b])
break;
n |= base64num[*b++];
*out++ = n & 0xFF; total++;
--l;
}
}
if (l && *b != '=') {
archive_set_error(&self->archive->archive,
ARCHIVE_ERRNO_MISC,
"Insufficient compressed data");
return (ARCHIVE_FATAL);
}
break;
}
}
finish:
if (ravail < avail_in)
used -= avail_in - ravail;
__archive_read_filter_consume(self->upstream, used);
*buff = uudecode->out_buff;
uudecode->total += total;
return (total);
}
static int
uudecode_filter_close(struct archive_read_filter *self)
{
struct uudecode *uudecode;
uudecode = (struct uudecode *)self->data;
free(uudecode->in_buff);
free(uudecode->out_buff);
free(uudecode);
return (ARCHIVE_OK);
}

Some files were not shown because too many files have changed in this diff Show More