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
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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 1.9 2008/09/02 22:13:11 swildner Exp $
39 #include <sys/types.h>
51 static void usage (void);
54 main(int argc, char **argv)
60 int Hflag, Lflag, Rflag, ch, fflag;
61 int fts_options, hflag, rval, vflag;
63 int (*change_mode) (const char *, mode_t);
65 Hflag = Lflag = Rflag = fflag = hflag = vflag = 0;
66 while ((ch = getopt(argc, argv, "HLPRXfghorstuvwx")) != -1)
87 * In System V (and probably POSIX.2) the -h option
88 * causes chmod to change the mode of the symbolic
89 * link. 4.4BSD's symbolic links didn't have modes,
90 * so it was an undocumented noop. In FreeBSD 3.0,
91 * lchmod(2) is introduced and this option does real
98 * "-[rwx]" are valid mode commands. If they are the entire
99 * argument, getopt has moved past them, so decrement optind.
100 * Regardless, we're done argument processing.
102 case 'g': case 'o': case 'r': case 's':
103 case 't': case 'u': case 'w': case 'X': case 'x':
104 if (argv[optind - 1][0] == '-' &&
105 argv[optind - 1][1] == ch &&
106 argv[optind - 1][2] == '\0')
115 done: argv += optind;
121 fts_options = FTS_PHYSICAL;
125 "the -R and -h options may not be specified together.");
127 fts_options |= FTS_COMFOLLOW;
129 fts_options &= ~FTS_PHYSICAL;
130 fts_options |= FTS_LOGICAL;
135 change_mode = lchmod;
141 if ((set = setmode(mode)) == NULL) {
143 errx(1, "invalid file mode: %s", mode);
145 /* malloc for setmode() failed */
146 err(1, "setmode failed");
149 if ((ftsp = fts_open(++argv, fts_options, 0)) == NULL)
151 for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
152 switch (p->fts_info) {
153 case FTS_D: /* Change it at FTS_DP. */
155 fts_set(ftsp, p, FTS_SKIP);
157 case FTS_DNR: /* Warn, chmod, continue. */
158 warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
161 case FTS_ERR: /* Warn, continue. */
163 warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
166 case FTS_SL: /* Ignore. */
169 * The only symlinks that end up here are ones that
170 * don't point to anything and ones that we found
171 * doing a physical walk.
180 newmode = getmode(set, p->fts_statp->st_mode);
181 if ((newmode & ALLPERMS) == (p->fts_statp->st_mode & ALLPERMS))
183 if ((*change_mode)(p->fts_accpath, newmode) && !fflag) {
184 warn("%s", p->fts_path);
188 printf("%s\n", p->fts_accpath);
201 "usage: chmod [-fhv] [-R [-H | -L | -P]] mode file ...\n");