NetBSD/bin/chmod/chmod.c

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/*
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1989 The Regents of the University of California.\n\
All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] = "@(#)chmod.c 5.19 (Berkeley) 3/12/91";
static char rcsid[] = "$Header: /cvsroot/src/bin/chmod/chmod.c,v 1.4 1993/06/07 17:34:40 deraadt Exp $";
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#endif /* not lint */
#include <sys/types.h>
#include <sys/stat.h>
#include <fts.h>
#include <stdio.h>
#include <string.h>
extern int errno;
int retval;
main(argc, argv)
int argc;
char **argv;
{
extern int optind;
register FTS *fts;
register FTSENT *p;
register int oct, omode;
register char *mode;
mode_t *set, *setmode();
struct stat sb;
int ch, fflag, rflag;
fflag = rflag = 0;
while ((ch = getopt(argc, argv, "Rfrwx")) != EOF)
switch((char)ch) {
case 'R':
rflag = 1;
break;
case 'f': /* no longer documented */
fflag = 1;
break;
case 'r': /* "-[rwx]" are valid file modes */
case 'w':
case 'x':
--optind;
goto done;
case '?':
default:
usage();
}
done: argv += optind;
argc -= optind;
if (argc < 2)
usage();
mode = *argv;
if (*mode >= '0' && *mode <= '7') {
omode = (int)strtol(mode, (char **)NULL, 8);
oct = 1;
} else {
if (!(set = setmode(mode))) {
(void)fprintf(stderr, "chmod: invalid file mode.\n");
exit(1);
}
oct = 0;
}
retval = 0;
if (rflag) {
if (!(fts = fts_open(++argv, FTS_PHYSICAL, 0))) {
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(void)fprintf(stderr, "chmod: %s.\n", strerror(errno));
exit(1);
}
while (p = fts_read(fts))
switch(p->fts_info) {
case FTS_D:
case FTS_SL:
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break;
case FTS_DNR:
case FTS_ERR:
case FTS_NS:
(void)fprintf(stderr, "chmod: %s: %s.\n",
p->fts_path, strerror(errno));
exit(1);
default:
if (chmod(p->fts_accpath,
oct ? omode : getmode(set, p->fts_statb.st_mode))
&& !fflag)
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error(p->fts_path);
break;
}
exit(retval);
}
while (*++argv) {
if (lstat(*argv, &sb) < 0) {
if(!fflag)
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error(*argv);
continue;
}
if (S_ISLNK(sb.st_mode))
continue;
if (chmod(*argv, oct ? omode : getmode(set, sb.st_mode)) && !fflag)
error(*argv);
}
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exit(retval);
}
error(name)
char *name;
{
(void)fprintf(stderr, "chmod: %s: %s.\n", name, strerror(errno));
retval = 1;
}
usage()
{
(void)fprintf(stderr, "chmod: chmod [-R] mode file ...\n");
exit(1);
}