2 * Copyright (c) 2003-2010 Tim Kientzle
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include "archive_platform.h"
28 __FBSDID("$FreeBSD: head/lib/libarchive/archive_write_disk.c 201159 2009-12-29 05:35:40Z kientzle $");
30 #ifdef HAVE_SYS_TYPES_H
31 #include <sys/types.h>
34 #define _ACL_PRIVATE /* For debugging */
42 #include "archive_entry.h"
43 #include "archive_acl_private.h"
44 #include "archive_write_disk_private.h"
46 #ifndef HAVE_POSIX_ACL
47 /* Default empty function body to satisfy mainline code. */
49 archive_write_disk_set_acls(struct archive *a, int fd, const char *name,
50 struct archive_acl *abstract_acl)
53 (void)fd; /* UNUSED */
54 (void)name; /* UNUSED */
55 (void)abstract_acl; /* UNUSED */
61 static int set_acl(struct archive *, int fd, const char *,
63 acl_type_t, int archive_entry_acl_type, const char *tn);
66 * XXX TODO: What about ACL types other than ACCESS and DEFAULT?
69 archive_write_disk_set_acls(struct archive *a, int fd, const char *name,
70 struct archive_acl *abstract_acl)
74 if (archive_acl_count(abstract_acl, ARCHIVE_ENTRY_ACL_TYPE_POSIX1E) > 0) {
75 ret = set_acl(a, fd, name, abstract_acl, ACL_TYPE_ACCESS,
76 ARCHIVE_ENTRY_ACL_TYPE_ACCESS, "access");
77 if (ret != ARCHIVE_OK)
79 ret = set_acl(a, fd, name, abstract_acl, ACL_TYPE_DEFAULT,
80 ARCHIVE_ENTRY_ACL_TYPE_DEFAULT, "default");
83 } else if (archive_acl_count(abstract_acl, ARCHIVE_ENTRY_ACL_TYPE_NFS4) > 0) {
84 ret = set_acl(a, fd, name, abstract_acl, ACL_TYPE_NFS4,
85 ARCHIVE_ENTRY_ACL_TYPE_NFS4, "nfs4");
96 {ARCHIVE_ENTRY_ACL_EXECUTE, ACL_EXECUTE},
97 {ARCHIVE_ENTRY_ACL_WRITE, ACL_WRITE},
98 {ARCHIVE_ENTRY_ACL_READ, ACL_READ},
100 {ARCHIVE_ENTRY_ACL_READ_DATA, ACL_READ_DATA},
101 {ARCHIVE_ENTRY_ACL_LIST_DIRECTORY, ACL_LIST_DIRECTORY},
102 {ARCHIVE_ENTRY_ACL_WRITE_DATA, ACL_WRITE_DATA},
103 {ARCHIVE_ENTRY_ACL_ADD_FILE, ACL_ADD_FILE},
104 {ARCHIVE_ENTRY_ACL_APPEND_DATA, ACL_APPEND_DATA},
105 {ARCHIVE_ENTRY_ACL_ADD_SUBDIRECTORY, ACL_ADD_SUBDIRECTORY},
106 {ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS, ACL_READ_NAMED_ATTRS},
107 {ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS, ACL_WRITE_NAMED_ATTRS},
108 {ARCHIVE_ENTRY_ACL_DELETE_CHILD, ACL_DELETE_CHILD},
109 {ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES, ACL_READ_ATTRIBUTES},
110 {ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES, ACL_WRITE_ATTRIBUTES},
111 {ARCHIVE_ENTRY_ACL_DELETE, ACL_DELETE},
112 {ARCHIVE_ENTRY_ACL_READ_ACL, ACL_READ_ACL},
113 {ARCHIVE_ENTRY_ACL_WRITE_ACL, ACL_WRITE_ACL},
114 {ARCHIVE_ENTRY_ACL_WRITE_OWNER, ACL_WRITE_OWNER},
115 {ARCHIVE_ENTRY_ACL_SYNCHRONIZE, ACL_SYNCHRONIZE}
122 int platform_inherit;
123 } acl_inherit_map[] = {
124 {ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT, ACL_ENTRY_FILE_INHERIT},
125 {ARCHIVE_ENTRY_ACL_ENTRY_DIRECTORY_INHERIT, ACL_ENTRY_DIRECTORY_INHERIT},
126 {ARCHIVE_ENTRY_ACL_ENTRY_NO_PROPAGATE_INHERIT, ACL_ENTRY_NO_PROPAGATE_INHERIT},
127 {ARCHIVE_ENTRY_ACL_ENTRY_INHERIT_ONLY, ACL_ENTRY_INHERIT_ONLY}
132 set_acl(struct archive *a, int fd, const char *name,
133 struct archive_acl *abstract_acl,
134 acl_type_t acl_type, int ae_requested_type, const char *tname)
137 acl_entry_t acl_entry;
138 acl_permset_t acl_permset;
140 acl_flagset_t acl_flagset;
144 int ae_type, ae_permset, ae_tag, ae_id;
152 entries = archive_acl_reset(abstract_acl, ae_requested_type);
155 acl = acl_init(entries);
156 if (acl == (acl_t)NULL) {
157 archive_set_error(a, errno,
158 "Failed to initialize ACL working storage");
159 return (ARCHIVE_FAILED);
161 while (archive_acl_next(a, abstract_acl, ae_requested_type, &ae_type,
162 &ae_permset, &ae_tag, &ae_id, &ae_name) == ARCHIVE_OK) {
163 if (acl_create_entry(&acl, &acl_entry) != 0) {
164 archive_set_error(a, errno,
165 "Failed to create a new ACL entry");
166 ret = ARCHIVE_FAILED;
171 case ARCHIVE_ENTRY_ACL_USER:
172 acl_set_tag_type(acl_entry, ACL_USER);
173 ae_uid = archive_write_disk_uid(a, ae_name, ae_id);
174 acl_set_qualifier(acl_entry, &ae_uid);
176 case ARCHIVE_ENTRY_ACL_GROUP:
177 acl_set_tag_type(acl_entry, ACL_GROUP);
178 ae_gid = archive_write_disk_gid(a, ae_name, ae_id);
179 acl_set_qualifier(acl_entry, &ae_gid);
181 case ARCHIVE_ENTRY_ACL_USER_OBJ:
182 acl_set_tag_type(acl_entry, ACL_USER_OBJ);
184 case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
185 acl_set_tag_type(acl_entry, ACL_GROUP_OBJ);
187 case ARCHIVE_ENTRY_ACL_MASK:
188 acl_set_tag_type(acl_entry, ACL_MASK);
190 case ARCHIVE_ENTRY_ACL_OTHER:
191 acl_set_tag_type(acl_entry, ACL_OTHER);
194 case ARCHIVE_ENTRY_ACL_EVERYONE:
195 acl_set_tag_type(acl_entry, ACL_EVERYONE);
199 archive_set_error(a, ARCHIVE_ERRNO_MISC,
201 ret = ARCHIVE_FAILED;
208 case ARCHIVE_ENTRY_ACL_TYPE_ALLOW:
209 r = acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_ALLOW);
211 case ARCHIVE_ENTRY_ACL_TYPE_DENY:
212 r = acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_DENY);
214 case ARCHIVE_ENTRY_ACL_TYPE_AUDIT:
215 r = acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_AUDIT);
217 case ARCHIVE_ENTRY_ACL_TYPE_ALARM:
218 r = acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_ALARM);
220 case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
221 case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
222 // These don't translate directly into the system ACL.
225 archive_set_error(a, ARCHIVE_ERRNO_MISC,
226 "Unknown ACL entry type");
227 ret = ARCHIVE_FAILED;
231 archive_set_error(a, errno,
232 "Failed to set ACL entry type");
233 ret = ARCHIVE_FAILED;
238 if (acl_get_permset(acl_entry, &acl_permset) != 0) {
239 archive_set_error(a, errno,
240 "Failed to get ACL permission set");
241 ret = ARCHIVE_FAILED;
244 if (acl_clear_perms(acl_permset) != 0) {
245 archive_set_error(a, errno,
246 "Failed to clear ACL permissions");
247 ret = ARCHIVE_FAILED;
251 for (i = 0; i < (int)(sizeof(acl_perm_map) / sizeof(acl_perm_map[0])); ++i) {
252 if (ae_permset & acl_perm_map[i].archive_perm)
253 if (acl_add_perm(acl_permset,
254 acl_perm_map[i].platform_perm) != 0) {
255 archive_set_error(a, errno,
256 "Failed to add ACL permission");
257 ret = ARCHIVE_FAILED;
263 if (acl_type == ACL_TYPE_NFS4) {
265 * acl_get_flagset_np() fails with non-NFSv4 ACLs
267 if (acl_get_flagset_np(acl_entry, &acl_flagset) != 0) {
268 archive_set_error(a, errno,
269 "Failed to get flagset from an NFSv4 ACL entry");
270 ret = ARCHIVE_FAILED;
273 if (acl_clear_flags_np(acl_flagset) != 0) {
274 archive_set_error(a, errno,
275 "Failed to clear flags from an NFSv4 ACL flagset");
276 ret = ARCHIVE_FAILED;
279 for (i = 0; i < (int)(sizeof(acl_inherit_map) / sizeof(acl_inherit_map[0])); ++i) {
280 if (ae_permset & acl_inherit_map[i].archive_inherit) {
281 if (acl_add_flag_np(acl_flagset,
282 acl_inherit_map[i].platform_inherit) != 0) {
283 archive_set_error(a, errno,
284 "Failed to add flag to NFSv4 ACL flagset");
285 ret = ARCHIVE_FAILED;
294 /* Try restoring the ACL through 'fd' if we can. */
296 if (fd >= 0 && acl_type == ACL_TYPE_ACCESS && acl_set_fd(fd, acl) == 0)
300 #if HAVE_ACL_SET_FD_NP
301 if (fd >= 0 && acl_set_fd_np(fd, acl, acl_type) == 0)
306 #if HAVE_ACL_SET_LINK_NP
307 if (acl_set_link_np(name, acl_type, acl) != 0) {
308 archive_set_error(a, errno, "Failed to set %s acl", tname);
312 /* TODO: Skip this if 'name' is a symlink. */
313 if (acl_set_file(name, acl_type, acl) != 0) {
314 archive_set_error(a, errno, "Failed to set %s acl", tname);