/*-

* 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);

}

if (S_ISLNK(mode)) {

/* Linux does not support RichACLs on symbolic links */

return (ARCHIVE_OK);

}

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, __LA_MODE_T mode,

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);

}

if (S_ISLNK(mode)) {

/* Linux does not support ACLs on symbolic links */

return (ARCHIVE_OK);

}

if (acl_type == ACL_TYPE_DEFAULT && !S_ISDIR(mode)) {

errno = EINVAL;

archive_set_error(a, errno,

"Cannot set default ACL on non-directory");

return (ARCHIVE_WARN);

}

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, mode,

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, mode,

ARCHIVE_ENTRY_ACL_TYPE_DEFAULT, "default");

}

#endif /* ARCHIVE_ACL_LIBACL */

return (ret);

}

#endif /* ARCHIVE_ACL_LIBACL || ARCHIVE_ACL_LIBRICHACL */