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");
82 } else if (archive_acl_count(abstract_acl, ARCHIVE_ENTRY_ACL_TYPE_NFS4) > 0) {
83 ret = set_acl(a, fd, name, abstract_acl, ACL_TYPE_NFS4,
84 ARCHIVE_ENTRY_ACL_TYPE_NFS4, "nfs4");
94 {ARCHIVE_ENTRY_ACL_EXECUTE, ACL_EXECUTE},
95 {ARCHIVE_ENTRY_ACL_WRITE, ACL_WRITE},
96 {ARCHIVE_ENTRY_ACL_READ, ACL_READ},
97 {ARCHIVE_ENTRY_ACL_READ_DATA, ACL_READ_DATA},
98 {ARCHIVE_ENTRY_ACL_LIST_DIRECTORY, ACL_LIST_DIRECTORY},
99 {ARCHIVE_ENTRY_ACL_WRITE_DATA, ACL_WRITE_DATA},
100 {ARCHIVE_ENTRY_ACL_ADD_FILE, ACL_ADD_FILE},
101 {ARCHIVE_ENTRY_ACL_APPEND_DATA, ACL_APPEND_DATA},
102 {ARCHIVE_ENTRY_ACL_ADD_SUBDIRECTORY, ACL_ADD_SUBDIRECTORY},
103 {ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS, ACL_READ_NAMED_ATTRS},
104 {ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS, ACL_WRITE_NAMED_ATTRS},
105 {ARCHIVE_ENTRY_ACL_DELETE_CHILD, ACL_DELETE_CHILD},
106 {ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES, ACL_READ_ATTRIBUTES},
107 {ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES, ACL_WRITE_ATTRIBUTES},
108 {ARCHIVE_ENTRY_ACL_DELETE, ACL_DELETE},
109 {ARCHIVE_ENTRY_ACL_READ_ACL, ACL_READ_ACL},
110 {ARCHIVE_ENTRY_ACL_WRITE_ACL, ACL_WRITE_ACL},
111 {ARCHIVE_ENTRY_ACL_WRITE_OWNER, ACL_WRITE_OWNER},
112 {ARCHIVE_ENTRY_ACL_SYNCHRONIZE, ACL_SYNCHRONIZE}
117 int platform_inherit;
118 } acl_inherit_map[] = {
119 {ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT, ACL_ENTRY_FILE_INHERIT},
120 {ARCHIVE_ENTRY_ACL_ENTRY_DIRECTORY_INHERIT, ACL_ENTRY_DIRECTORY_INHERIT},
121 {ARCHIVE_ENTRY_ACL_ENTRY_NO_PROPAGATE_INHERIT, ACL_ENTRY_NO_PROPAGATE_INHERIT},
122 {ARCHIVE_ENTRY_ACL_ENTRY_INHERIT_ONLY, ACL_ENTRY_INHERIT_ONLY}
126 set_acl(struct archive *a, int fd, const char *name,
127 struct archive_acl *abstract_acl,
128 acl_type_t acl_type, int ae_requested_type, const char *tname)
131 acl_entry_t acl_entry;
132 acl_permset_t acl_permset;
133 acl_flagset_t acl_flagset;
135 int ae_type, ae_permset, ae_tag, ae_id;
143 entries = archive_acl_reset(abstract_acl, ae_requested_type);
146 acl = acl_init(entries);
147 while (archive_acl_next(a, abstract_acl, ae_requested_type, &ae_type,
148 &ae_permset, &ae_tag, &ae_id, &ae_name) == ARCHIVE_OK) {
149 acl_create_entry(&acl, &acl_entry);
152 case ARCHIVE_ENTRY_ACL_USER:
153 acl_set_tag_type(acl_entry, ACL_USER);
154 ae_uid = archive_write_disk_uid(a, ae_name, ae_id);
155 acl_set_qualifier(acl_entry, &ae_uid);
157 case ARCHIVE_ENTRY_ACL_GROUP:
158 acl_set_tag_type(acl_entry, ACL_GROUP);
159 ae_gid = archive_write_disk_gid(a, ae_name, ae_id);
160 acl_set_qualifier(acl_entry, &ae_gid);
162 case ARCHIVE_ENTRY_ACL_USER_OBJ:
163 acl_set_tag_type(acl_entry, ACL_USER_OBJ);
165 case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
166 acl_set_tag_type(acl_entry, ACL_GROUP_OBJ);
168 case ARCHIVE_ENTRY_ACL_MASK:
169 acl_set_tag_type(acl_entry, ACL_MASK);
171 case ARCHIVE_ENTRY_ACL_OTHER:
172 acl_set_tag_type(acl_entry, ACL_OTHER);
174 case ARCHIVE_ENTRY_ACL_EVERYONE:
175 acl_set_tag_type(acl_entry, ACL_EVERYONE);
183 case ARCHIVE_ENTRY_ACL_TYPE_ALLOW:
184 acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_ALLOW);
186 case ARCHIVE_ENTRY_ACL_TYPE_DENY:
187 acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_DENY);
189 case ARCHIVE_ENTRY_ACL_TYPE_AUDIT:
190 acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_AUDIT);
192 case ARCHIVE_ENTRY_ACL_TYPE_ALARM:
193 acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_ALARM);
195 case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
196 case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
197 // These don't translate directly into the system ACL.
200 // XXX error handling here.
204 acl_get_permset(acl_entry, &acl_permset);
205 acl_clear_perms(acl_permset);
207 for (i = 0; i < (int)(sizeof(acl_perm_map) / sizeof(acl_perm_map[0])); ++i) {
208 if (ae_permset & acl_perm_map[i].archive_perm)
209 acl_add_perm(acl_permset,
210 acl_perm_map[i].platform_perm);
213 acl_get_flagset_np(acl_entry, &acl_flagset);
214 acl_clear_flags_np(acl_flagset);
215 for (i = 0; i < (int)(sizeof(acl_inherit_map) / sizeof(acl_inherit_map[0])); ++i) {
216 if (ae_permset & acl_inherit_map[i].archive_inherit)
217 acl_add_flag_np(acl_flagset,
218 acl_inherit_map[i].platform_inherit);
222 /* Try restoring the ACL through 'fd' if we can. */
224 if (fd >= 0 && acl_type == ACL_TYPE_ACCESS && acl_set_fd(fd, acl) == 0)
228 #if HAVE_ACL_SET_FD_NP
229 if (fd >= 0 && acl_set_fd_np(fd, acl, acl_type) == 0)
234 #if HAVE_ACL_SET_LINK_NP
235 if (acl_set_link_np(name, acl_type, acl) != 0) {
236 archive_set_error(a, errno, "Failed to set %s acl", tname);
240 /* TODO: Skip this if 'name' is a symlink. */
241 if (acl_set_file(name, acl_type, acl) != 0) {
242 archive_set_error(a, errno, "Failed to set %s acl", tname);