ghcup-hs/3rdparty/libarchive/c/archive_disk_acl_freebsd.c

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/*-
* 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 */