2 * Copyright (c) 1999, 2001, 2002 Robert N M Watson
5 * This software was developed by Robert Watson for the TrustedBSD Project.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * getfacl -- POSIX.1e utility to extract ACLs from files and directories
30 * and send the results to stdout
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/types.h>
38 #include <sys/param.h>
51 int more_than_one = 0;
57 fprintf(stderr, "getfacl [-dhq] [file ...]\n");
66 if ((pw = getpwuid(uid)) == NULL) {
67 (void)snprintf(uids, sizeof(uids), "%u", uid);
79 if ((gr = getgrgid(gid)) == NULL) {
80 (void)snprintf(gids, sizeof(gids), "%u", gid);
87 * return an ACL corresponding to the permissions
88 * contained in struct stat
91 acl_from_stat(struct stat sb)
102 /* First entry: ACL_USER_OBJ */
103 if (acl_create_entry(&acl, &entry) == -1)
105 if (acl_set_tag_type(entry, ACL_USER_OBJ) == -1)
108 if (acl_get_permset(entry, &perms) == -1)
110 if (acl_clear_perms(perms) == -1)
113 /* calculate user mode */
114 if (sb.st_mode & S_IRUSR)
115 if (acl_add_perm(perms, ACL_READ) == -1)
117 if (sb.st_mode & S_IWUSR)
118 if (acl_add_perm(perms, ACL_WRITE) == -1)
120 if (sb.st_mode & S_IXUSR)
121 if (acl_add_perm(perms, ACL_EXECUTE) == -1)
123 if (acl_set_permset(entry, perms) == -1)
126 /* Second entry: ACL_GROUP_OBJ */
127 if (acl_create_entry(&acl, &entry) == -1)
129 if (acl_set_tag_type(entry, ACL_GROUP_OBJ) == -1)
132 if (acl_get_permset(entry, &perms) == -1)
134 if (acl_clear_perms(perms) == -1)
137 /* calculate group mode */
138 if (sb.st_mode & S_IRGRP)
139 if (acl_add_perm(perms, ACL_READ) == -1)
141 if (sb.st_mode & S_IWGRP)
142 if (acl_add_perm(perms, ACL_WRITE) == -1)
144 if (sb.st_mode & S_IXGRP)
145 if (acl_add_perm(perms, ACL_EXECUTE) == -1)
147 if (acl_set_permset(entry, perms) == -1)
150 /* Third entry: ACL_OTHER */
151 if (acl_create_entry(&acl, &entry) == -1)
153 if (acl_set_tag_type(entry, ACL_OTHER) == -1)
156 if (acl_get_permset(entry, &perms) == -1)
158 if (acl_clear_perms(perms) == -1)
161 /* calculate other mode */
162 if (sb.st_mode & S_IROTH)
163 if (acl_add_perm(perms, ACL_READ) == -1)
165 if (sb.st_mode & S_IWOTH)
166 if (acl_add_perm(perms, ACL_WRITE) == -1)
168 if (sb.st_mode & S_IXOTH)
169 if (acl_add_perm(perms, ACL_EXECUTE) == -1)
171 if (acl_set_permset(entry, perms) == -1)
178 print_acl(char *path, acl_type_t type, int hflag, int qflag)
186 error = lstat(path, &sb);
188 error = stat(path, &sb);
200 printf("# file: %s\n# owner: %s\n# group: %s\n", path,
201 getuname(sb.st_uid), getgname(sb.st_gid));
204 acl = acl_get_link_np(path, type);
206 acl = acl_get_file(path, type);
208 if (errno != EOPNOTSUPP) {
213 if (type != ACL_TYPE_ACCESS)
215 acl = acl_from_stat(sb);
217 warn("acl_from_stat()");
222 acl_text = acl_to_text(acl, 0);
228 printf("%s", acl_text);
231 (void)acl_free(acl_text);
237 print_acl_from_stdin(acl_type_t type, int hflag, int qflag)
239 char *p, pathname[PATH_MAX];
240 int carried_error = 0;
242 while (fgets(pathname, (int)sizeof(pathname), stdin)) {
243 if ((p = strchr(pathname, '\n')) != NULL)
245 if (print_acl(pathname, type, hflag, qflag) == -1) {
250 return(carried_error);
254 main(int argc, char *argv[])
256 acl_type_t type = ACL_TYPE_ACCESS;
257 int carried_error = 0;
263 while ((ch = getopt(argc, argv, "dhq")) != -1)
266 type = ACL_TYPE_DEFAULT;
282 error = print_acl_from_stdin(type, hflag, qflag);
283 return(error ? 1 : 0);
286 for (i = 0; i < argc; i++) {
287 if (!strcmp(argv[i], "-")) {
288 error = print_acl_from_stdin(type, hflag, qflag);
292 error = print_acl(argv[i], type, hflag, qflag);
298 return(carried_error ? 1 : 0);