2 * Copyright (c) 2002, 2003 Networks Associates Technology, Inc.
3 * Copyright (c) 2002 Poul-Henning Kamp.
4 * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson
7 * This software was developed for the FreeBSD Project by Poul-Henning
8 * Kamp and Network Associates Laboratories, the Security Research Division
9 * of Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
10 * ("CBOSS"), as part of the DARPA CHATS research program
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. The names of the authors may not be used to endorse or promote
21 * products derived from this software without specific prior written
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 #include <sys/types.h>
42 #include <sys/extattr.h>
54 static enum { EADUNNO, EAGET, EASET, EARM, EALS } what = EADUNNO;
62 fprintf(stderr, "usage: getextattr [-fhqsx] attrnamespace");
63 fprintf(stderr, " attrname filename ...\n");
66 fprintf(stderr, "usage: setextattr [-fhnq] attrnamespace");
67 fprintf(stderr, " attrname attrvalue filename ...\n");
68 fprintf(stderr, " or setextattr -i [-fhnq] attrnamespace");
69 fprintf(stderr, " attrname filename ...\n");
72 fprintf(stderr, "usage: rmextattr [-fhq] attrnamespace");
73 fprintf(stderr, " attrname filename ...\n");
76 fprintf(stderr, "usage: lsextattr [-fhq] attrnamespace");
77 fprintf(stderr, " filename ...\n");
81 fprintf(stderr, "usage: (getextattr|lsextattr|rmextattr");
82 fprintf(stderr, "|setextattr)\n");
88 mkbuf(char **buf, int *oldlen, int newlen)
91 if (*oldlen >= newlen)
95 *buf = malloc(newlen);
103 main(int argc, char *argv[])
105 #define STDIN_BUF_SZ 1024
106 char stdin_data[STDIN_BUF_SZ];
109 const char *options, *attrname;
112 int ch, error, i, arg_counter, attrnamespace, minargc;
118 struct sbuf *attrvalue = NULL;
120 int flag_nofollow = 0;
123 int flag_from_stdin = 0;
127 p = basename(argv[0]);
130 if (!strcmp(p, "getextattr")) {
134 } else if (!strcmp(p, "setextattr")) {
138 } else if (!strcmp(p, "rmextattr")) {
142 } else if (!strcmp(p, "lsextattr")) {
150 while ((ch = getopt(argc, argv, options)) != -1) {
182 if (what == EASET && flag_from_stdin == 0)
188 error = extattr_string_to_namespace(argv[0], &attrnamespace);
190 err(-1, "%s", argv[0]);
200 attrvalue = sbuf_new_auto();
201 if (flag_from_stdin) {
202 while ((error = read(0, stdin_data, STDIN_BUF_SZ)) > 0)
203 sbuf_bcat(attrvalue, stdin_data, error);
205 sbuf_cpy(attrvalue, argv[0]);
208 sbuf_finish(attrvalue);
211 for (arg_counter = 0; arg_counter < argc; arg_counter++) {
215 error = extattr_delete_link(argv[arg_counter],
216 attrnamespace, attrname);
218 error = extattr_delete_file(argv[arg_counter],
219 attrnamespace, attrname);
224 len = sbuf_len(attrvalue) + flag_null;
226 ret = extattr_set_link(argv[arg_counter],
227 attrnamespace, attrname,
228 sbuf_data(attrvalue), len);
230 ret = extattr_set_file(argv[arg_counter],
231 attrnamespace, attrname,
232 sbuf_data(attrvalue), len);
234 if ((size_t)ret != len && !count_quiet) {
235 warnx("Set %zd bytes of %zu for %s",
243 ret = extattr_list_link(argv[arg_counter],
244 attrnamespace, NULL, 0);
246 ret = extattr_list_file(argv[arg_counter],
247 attrnamespace, NULL, 0);
250 mkbuf(&buf, &buflen, ret);
252 ret = extattr_list_link(argv[arg_counter],
253 attrnamespace, buf, buflen);
255 ret = extattr_list_file(argv[arg_counter],
256 attrnamespace, buf, buflen);
260 printf("%s\t", argv[arg_counter]);
261 for (i = 0; i < ret; i += ch + 1) {
262 /* The attribute name length is unsigned. */
263 ch = (unsigned char)buf[i];
264 printf("%s%*.*s", i ? "\t" : "",
265 ch, ch, buf + i + 1);
267 if (!count_quiet || ret > 0)
272 ret = extattr_get_link(argv[arg_counter],
273 attrnamespace, attrname, NULL, 0);
275 ret = extattr_get_file(argv[arg_counter],
276 attrnamespace, attrname, NULL, 0);
279 mkbuf(&buf, &buflen, ret);
281 ret = extattr_get_link(argv[arg_counter],
282 attrnamespace, attrname, buf, buflen);
284 ret = extattr_get_file(argv[arg_counter],
285 attrnamespace, attrname, buf, buflen);
289 printf("%s\t", argv[arg_counter]);
291 mkbuf(&visbuf, &visbuflen, ret * 4 + 1);
292 strvisx(visbuf, buf, ret,
293 VIS_SAFE | VIS_WHITE);
294 printf("\"%s\"", visbuf);
295 } else if (flag_hex) {
296 for (i = 0; i < ret; i++)
297 printf("%s%02x", i ? " " : "",
298 (unsigned char)buf[i]);
300 fwrite(buf, ret, 1, stdout);
309 warn("%s: failed", argv[arg_counter]);