2 * Copyright (c) 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
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 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#) Copyright (c) 1989, 1993, 1994 The Regents of the University of California. All rights reserved.
34 * @(#)chmod.c 8.8 (Berkeley) 4/1/94
35 * $FreeBSD: src/bin/chmod/chmod.c,v 1.16.2.6 2002/10/18 01:36:38 trhodes Exp $
36 * $DragonFly: src/bin/chmod/chmod.c,v 1.3 2003/09/21 04:18:00 drhodus Exp $
39 #include <sys/types.h>
51 int main (int, char *[]);
64 int Hflag, Lflag, Pflag, Rflag, ch, fflag, fts_options, hflag, rval;
68 int (*change_mode) (const char *, mode_t);
72 Hflag = Lflag = Pflag = Rflag = fflag = hflag = vflag = 0;
73 while ((ch = getopt(argc, argv, "HLPRXfghorstuvwx")) != -1)
95 * In System V (and probably POSIX.2) the -h option
96 * causes chmod to change the mode of the symbolic
97 * link. 4.4BSD's symbolic links didn't have modes,
98 * so it was an undocumented noop. In FreeBSD 3.0,
99 * lchmod(2) is introduced and this option does real
106 * "-[rwx]" are valid mode commands. If they are the entire
107 * argument, getopt has moved past them, so decrement optind.
108 * Regardless, we're done argument processing.
110 case 'g': case 'o': case 'r': case 's':
111 case 't': case 'u': case 'w': case 'X': case 'x':
112 if (argv[optind - 1][0] == '-' &&
113 argv[optind - 1][1] == ch &&
114 argv[optind - 1][2] == '\0')
124 done: argv += optind;
130 fts_options = FTS_PHYSICAL;
134 "the -R and -h options may not be specified together.");
136 fts_options |= FTS_COMFOLLOW;
138 fts_options &= ~FTS_PHYSICAL;
139 fts_options |= FTS_LOGICAL;
144 change_mode = lchmod;
149 if (*mode >= '0' && *mode <= '7') {
151 val = strtol(mode, &ep, 8);
152 if (val > INT_MAX || val < 0)
155 err(1, "invalid file mode: %s", mode);
157 errx(1, "invalid file mode: %s", mode);
161 if ((set = setmode(mode)) == NULL)
162 errx(1, "invalid file mode: %s", mode);
166 if ((ftsp = fts_open(++argv, fts_options, 0)) == NULL)
168 for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
169 switch (p->fts_info) {
170 case FTS_D: /* Change it at FTS_DP. */
172 fts_set(ftsp, p, FTS_SKIP);
174 case FTS_DNR: /* Warn, chmod, continue. */
175 warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
178 case FTS_ERR: /* Warn, continue. */
180 warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
183 case FTS_SL: /* Ignore. */
186 * The only symlinks that end up here are ones that
187 * don't point to anything and ones that we found
188 * doing a physical walk.
197 newmode = oct ? omode : getmode(set, p->fts_statp->st_mode);
198 if ((newmode & ALLPERMS) == (p->fts_statp->st_mode & ALLPERMS))
200 if ((*change_mode)(p->fts_accpath, newmode) && !fflag) {
201 warn("%s", p->fts_path);
205 (void)printf("%s\n", p->fts_accpath);
217 (void)fprintf(stderr,
218 "usage: chmod [-fhv] [-R [-H | -L | -P]] mode file ...\n");