/*-
* 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 */