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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#) Copyright (c) 1989, 1993, 1994 The Regents of the University of California. All rights reserved.
30 * @(#)chmod.c 8.8 (Berkeley) 4/1/94
31 * $FreeBSD: src/bin/chmod/chmod.c,v 1.16.2.6 2002/10/18 01:36:38 trhodes Exp $
32 * $DragonFly: src/bin/chmod/chmod.c,v 1.9 2008/09/02 22:13:11 swildner Exp $
35 #include <sys/types.h>
47 static void usage (void);
50 main(int argc
, char **argv
)
56 int Hflag
, Lflag
, Rflag
, ch
, fflag
;
57 int fts_options
, hflag
, rval
, vflag
;
59 int (*change_mode
) (const char *, mode_t
);
61 Hflag
= Lflag
= Rflag
= fflag
= hflag
= vflag
= 0;
62 while ((ch
= getopt(argc
, argv
, "HLPRXfghorstuvwx")) != -1)
83 * In System V (and probably POSIX.2) the -h option
84 * causes chmod to change the mode of the symbolic
85 * link. 4.4BSD's symbolic links didn't have modes,
86 * so it was an undocumented noop. In FreeBSD 3.0,
87 * lchmod(2) is introduced and this option does real
94 * "-[rwx]" are valid mode commands. If they are the entire
95 * argument, getopt has moved past them, so decrement optind.
96 * Regardless, we're done argument processing.
98 case 'g': case 'o': case 'r': case 's':
99 case 't': case 'u': case 'w': case 'X': case 'x':
100 if (argv
[optind
- 1][0] == '-' &&
101 argv
[optind
- 1][1] == ch
&&
102 argv
[optind
- 1][2] == '\0')
111 done
: argv
+= optind
;
117 fts_options
= FTS_PHYSICAL
;
121 "the -R and -h options may not be specified together.");
123 fts_options
|= FTS_COMFOLLOW
;
125 fts_options
&= ~FTS_PHYSICAL
;
126 fts_options
|= FTS_LOGICAL
;
131 change_mode
= lchmod
;
137 if ((set
= setmode(mode
)) == NULL
) {
139 errx(1, "invalid file mode: %s", mode
);
141 /* malloc for setmode() failed */
142 err(1, "setmode failed");
145 if ((ftsp
= fts_open(++argv
, fts_options
, 0)) == NULL
)
147 for (rval
= 0; (p
= fts_read(ftsp
)) != NULL
;) {
148 switch (p
->fts_info
) {
149 case FTS_D
: /* Change it at FTS_DP. */
151 fts_set(ftsp
, p
, FTS_SKIP
);
153 case FTS_DNR
: /* Warn, chmod, continue. */
154 warnx("%s: %s", p
->fts_path
, strerror(p
->fts_errno
));
157 case FTS_ERR
: /* Warn, continue. */
159 warnx("%s: %s", p
->fts_path
, strerror(p
->fts_errno
));
162 case FTS_SL
: /* Ignore. */
165 * The only symlinks that end up here are ones that
166 * don't point to anything and ones that we found
167 * doing a physical walk.
176 newmode
= getmode(set
, p
->fts_statp
->st_mode
);
177 if ((newmode
& ALLPERMS
) == (p
->fts_statp
->st_mode
& ALLPERMS
))
179 if ((*change_mode
)(p
->fts_accpath
, newmode
) && !fflag
) {
180 warn("%s", p
->fts_path
);
184 printf("%s\n", p
->fts_accpath
);
197 "usage: chmod [-fhv] [-R [-H | -L | -P]] mode file ...\n");