820 lines
20 KiB
C
820 lines
20 KiB
C
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/*-
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* Copyright (c) 2017 Martin Matuska
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "archive_platform.h"
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#if ARCHIVE_ACL_SUNOS
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#ifdef HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_ACL_H
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#define _ACL_PRIVATE /* For debugging */
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#include <sys/acl.h>
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#endif
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#include "archive_entry.h"
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#include "archive_private.h"
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#include "archive_read_disk_private.h"
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#include "archive_write_disk_private.h"
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typedef struct {
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const int a_perm; /* Libarchive permission or flag */
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const int p_perm; /* Platform permission or flag */
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} acl_perm_map_t;
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static const acl_perm_map_t acl_posix_perm_map[] = {
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{ARCHIVE_ENTRY_ACL_EXECUTE, S_IXOTH },
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{ARCHIVE_ENTRY_ACL_WRITE, S_IWOTH },
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{ARCHIVE_ENTRY_ACL_READ, S_IROTH }
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};
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static const int acl_posix_perm_map_size =
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(int)(sizeof(acl_posix_perm_map)/sizeof(acl_posix_perm_map[0]));
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#if ARCHIVE_ACL_SUNOS_NFS4
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static const acl_perm_map_t acl_nfs4_perm_map[] = {
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{ARCHIVE_ENTRY_ACL_EXECUTE, ACE_EXECUTE},
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{ARCHIVE_ENTRY_ACL_READ_DATA, ACE_READ_DATA},
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{ARCHIVE_ENTRY_ACL_LIST_DIRECTORY, ACE_LIST_DIRECTORY},
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{ARCHIVE_ENTRY_ACL_WRITE_DATA, ACE_WRITE_DATA},
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{ARCHIVE_ENTRY_ACL_ADD_FILE, ACE_ADD_FILE},
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{ARCHIVE_ENTRY_ACL_APPEND_DATA, ACE_APPEND_DATA},
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{ARCHIVE_ENTRY_ACL_ADD_SUBDIRECTORY, ACE_ADD_SUBDIRECTORY},
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{ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS, ACE_READ_NAMED_ATTRS},
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{ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS, ACE_WRITE_NAMED_ATTRS},
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{ARCHIVE_ENTRY_ACL_DELETE_CHILD, ACE_DELETE_CHILD},
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{ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES, ACE_READ_ATTRIBUTES},
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{ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES, ACE_WRITE_ATTRIBUTES},
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{ARCHIVE_ENTRY_ACL_DELETE, ACE_DELETE},
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{ARCHIVE_ENTRY_ACL_READ_ACL, ACE_READ_ACL},
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{ARCHIVE_ENTRY_ACL_WRITE_ACL, ACE_WRITE_ACL},
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{ARCHIVE_ENTRY_ACL_WRITE_OWNER, ACE_WRITE_OWNER},
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{ARCHIVE_ENTRY_ACL_SYNCHRONIZE, ACE_SYNCHRONIZE}
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};
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static const int acl_nfs4_perm_map_size =
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(int)(sizeof(acl_nfs4_perm_map)/sizeof(acl_nfs4_perm_map[0]));
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static const acl_perm_map_t acl_nfs4_flag_map[] = {
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{ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT, ACE_FILE_INHERIT_ACE},
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{ARCHIVE_ENTRY_ACL_ENTRY_DIRECTORY_INHERIT, ACE_DIRECTORY_INHERIT_ACE},
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{ARCHIVE_ENTRY_ACL_ENTRY_NO_PROPAGATE_INHERIT, ACE_NO_PROPAGATE_INHERIT_ACE},
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{ARCHIVE_ENTRY_ACL_ENTRY_INHERIT_ONLY, ACE_INHERIT_ONLY_ACE},
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{ARCHIVE_ENTRY_ACL_ENTRY_SUCCESSFUL_ACCESS, ACE_SUCCESSFUL_ACCESS_ACE_FLAG},
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{ARCHIVE_ENTRY_ACL_ENTRY_FAILED_ACCESS, ACE_FAILED_ACCESS_ACE_FLAG},
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#ifdef ACE_INHERITED_ACE
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{ARCHIVE_ENTRY_ACL_ENTRY_INHERITED, ACE_INHERITED_ACE}
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#endif
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};
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const int acl_nfs4_flag_map_size =
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(int)(sizeof(acl_nfs4_flag_map)/sizeof(acl_nfs4_flag_map[0]));
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#endif /* ARCHIVE_ACL_SUNOS_NFS4 */
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static void *
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sunacl_get(int cmd, int *aclcnt, int fd, const char *path)
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{
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int cnt, cntcmd;
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size_t size;
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void *aclp;
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if (cmd == GETACL) {
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cntcmd = GETACLCNT;
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size = sizeof(aclent_t);
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}
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#if ARCHIVE_ACL_SUNOS_NFS4
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else if (cmd == ACE_GETACL) {
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cntcmd = ACE_GETACLCNT;
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size = sizeof(ace_t);
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}
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#endif
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else {
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errno = EINVAL;
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*aclcnt = -1;
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return (NULL);
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}
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aclp = NULL;
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cnt = -2;
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while (cnt == -2 || (cnt == -1 && errno == ENOSPC)) {
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if (path != NULL)
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cnt = acl(path, cntcmd, 0, NULL);
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else
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cnt = facl(fd, cntcmd, 0, NULL);
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if (cnt > 0) {
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if (aclp == NULL)
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aclp = malloc(cnt * size);
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else
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aclp = realloc(NULL, cnt * size);
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if (aclp != NULL) {
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if (path != NULL)
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cnt = acl(path, cmd, cnt, aclp);
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else
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cnt = facl(fd, cmd, cnt, aclp);
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}
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} else {
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free(aclp);
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aclp = NULL;
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break;
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}
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}
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*aclcnt = cnt;
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return (aclp);
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}
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/*
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* Check if acl is trivial
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* This is a FreeBSD acl_is_trivial_np() implementation for Solaris
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*/
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static int
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sun_acl_is_trivial(void *aclp, int aclcnt, mode_t mode, int is_nfs4,
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int is_dir, int *trivialp)
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{
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#if ARCHIVE_ACL_SUNOS_NFS4
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int i, p;
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const uint32_t rperm = ACE_READ_DATA;
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const uint32_t wperm = ACE_WRITE_DATA | ACE_APPEND_DATA;
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const uint32_t eperm = ACE_EXECUTE;
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const uint32_t pubset = ACE_READ_ATTRIBUTES | ACE_READ_NAMED_ATTRS |
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ACE_READ_ACL | ACE_SYNCHRONIZE;
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const uint32_t ownset = pubset | ACE_WRITE_ATTRIBUTES |
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ACE_WRITE_NAMED_ATTRS | ACE_WRITE_ACL | ACE_WRITE_OWNER;
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ace_t *ace;
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ace_t tace[6];
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#endif
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if (aclp == NULL || trivialp == NULL)
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return (-1);
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*trivialp = 0;
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/*
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* POSIX.1e ACLs marked with ACL_IS_TRIVIAL are compatible with
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* FreeBSD acl_is_trivial_np(). On Solaris they have 4 entries,
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* including mask.
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*/
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if (!is_nfs4) {
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if (aclcnt == 4)
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*trivialp = 1;
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return (0);
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}
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#if ARCHIVE_ACL_SUNOS_NFS4
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/*
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* Continue with checking NFSv4 ACLs
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*
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* Create list of trivial ace's to be compared
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*/
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/* owner@ allow pre */
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tace[0].a_flags = ACE_OWNER;
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tace[0].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
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tace[0].a_access_mask = 0;
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/* owner@ deny */
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tace[1].a_flags = ACE_OWNER;
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tace[1].a_type = ACE_ACCESS_DENIED_ACE_TYPE;
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tace[1].a_access_mask = 0;
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/* group@ deny */
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tace[2].a_flags = ACE_GROUP | ACE_IDENTIFIER_GROUP;
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tace[2].a_type = ACE_ACCESS_DENIED_ACE_TYPE;
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tace[2].a_access_mask = 0;
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/* owner@ allow */
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tace[3].a_flags = ACE_OWNER;
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tace[3].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
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tace[3].a_access_mask = ownset;
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/* group@ allow */
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tace[4].a_flags = ACE_GROUP | ACE_IDENTIFIER_GROUP;
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tace[4].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
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tace[4].a_access_mask = pubset;
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/* everyone@ allow */
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tace[5].a_flags = ACE_EVERYONE;
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tace[5].a_type = ACE_ACCESS_ALLOWED_ACE_TYPE;
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tace[5].a_access_mask = pubset;
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/* Permissions for everyone@ */
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if (mode & 0004)
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tace[5].a_access_mask |= rperm;
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if (mode & 0002)
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tace[5].a_access_mask |= wperm;
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if (mode & 0001)
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tace[5].a_access_mask |= eperm;
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/* Permissions for group@ */
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if (mode & 0040)
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tace[4].a_access_mask |= rperm;
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else if (mode & 0004)
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tace[2].a_access_mask |= rperm;
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if (mode & 0020)
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tace[4].a_access_mask |= wperm;
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else if (mode & 0002)
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tace[2].a_access_mask |= wperm;
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if (mode & 0010)
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tace[4].a_access_mask |= eperm;
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else if (mode & 0001)
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tace[2].a_access_mask |= eperm;
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/* Permissions for owner@ */
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if (mode & 0400) {
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tace[3].a_access_mask |= rperm;
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if (!(mode & 0040) && (mode & 0004))
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tace[0].a_access_mask |= rperm;
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} else if ((mode & 0040) || (mode & 0004))
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tace[1].a_access_mask |= rperm;
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if (mode & 0200) {
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tace[3].a_access_mask |= wperm;
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if (!(mode & 0020) && (mode & 0002))
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tace[0].a_access_mask |= wperm;
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} else if ((mode & 0020) || (mode & 0002))
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tace[1].a_access_mask |= wperm;
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if (mode & 0100) {
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tace[3].a_access_mask |= eperm;
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if (!(mode & 0010) && (mode & 0001))
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tace[0].a_access_mask |= eperm;
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} else if ((mode & 0010) || (mode & 0001))
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tace[1].a_access_mask |= eperm;
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/* Check if the acl count matches */
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p = 3;
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for (i = 0; i < 3; i++) {
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if (tace[i].a_access_mask != 0)
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p++;
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}
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if (aclcnt != p)
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return (0);
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p = 0;
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for (i = 0; i < 6; i++) {
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if (tace[i].a_access_mask != 0) {
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ace = &((ace_t *)aclp)[p];
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/*
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* Illumos added ACE_DELETE_CHILD to write perms for
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* directories. We have to check against that, too.
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*/
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if (ace->a_flags != tace[i].a_flags ||
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ace->a_type != tace[i].a_type ||
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(ace->a_access_mask != tace[i].a_access_mask &&
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(!is_dir || (tace[i].a_access_mask & wperm) == 0 ||
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ace->a_access_mask !=
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(tace[i].a_access_mask | ACE_DELETE_CHILD))))
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return (0);
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p++;
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}
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}
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*trivialp = 1;
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#else /* !ARCHIVE_ACL_SUNOS_NFS4 */
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(void)is_dir; /* UNUSED */
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(void)aclp; /* UNUSED */
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#endif /* !ARCHIVE_ACL_SUNOS_NFS4 */
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return (0);
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}
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/*
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* Translate Solaris POSIX.1e and NFSv4 ACLs into libarchive internal ACL
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*/
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static int
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translate_acl(struct archive_read_disk *a,
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struct archive_entry *entry, void *aclp, int aclcnt,
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int default_entry_acl_type)
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{
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int e, i;
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int ae_id, ae_tag, ae_perm;
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int entry_acl_type;
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const char *ae_name;
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aclent_t *aclent;
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#if ARCHIVE_ACL_SUNOS_NFS4
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ace_t *ace;
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#endif
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if (aclcnt <= 0)
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return (ARCHIVE_OK);
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for (e = 0; e < aclcnt; e++) {
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ae_name = NULL;
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ae_tag = 0;
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ae_perm = 0;
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#if ARCHIVE_ACL_SUNOS_NFS4
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if (default_entry_acl_type == ARCHIVE_ENTRY_ACL_TYPE_NFS4) {
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ace = &((ace_t *)aclp)[e];
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ae_id = ace->a_who;
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switch(ace->a_type) {
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case ACE_ACCESS_ALLOWED_ACE_TYPE:
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entry_acl_type = ARCHIVE_ENTRY_ACL_TYPE_ALLOW;
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break;
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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 */
|