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