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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 5.21 (Berkeley) 1/27/92";
- #endif /* not lint */
-
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <errno.h>
- #include <fts.h>
- #include <unistd.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-
- int retval;
-
- void err __P((const char *, ...));
- void error __P((char *));
- void usage __P((void));
-
- int
- main(argc, argv)
- int argc;
- char *argv[];
- {
- register FTS *fts;
- register FTSENT *p;
- register int oct, omode;
- struct stat sb;
- mode_t *set;
- int ch, fflag, rflag;
- char *ep, *mode;
-
- 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, &ep, 8);
- if (omode < 0 || *ep)
- err("invalid file mode: %s", mode);
- oct = 1;
- } else {
- if (!(set = setmode(mode)))
- err("invalid file mode: %s", mode);
- oct = 0;
- }
-
- retval = 0;
- if (rflag) {
- if ((fts = fts_open(++argv,
- oct ? FTS_NOSTAT|FTS_PHYSICAL : FTS_PHYSICAL, 0)) == NULL)
- err("%s", strerror(errno));
- while (p = fts_read(fts))
- switch(p->fts_info) {
- case FTS_D:
- break;
- case FTS_DNR:
- case FTS_ERR:
- case FTS_NS:
- err("%s: %s", p->fts_path, strerror(errno));
- default:
- if (chmod(p->fts_accpath, oct ? omode :
- getmode(set, p->fts_statp->st_mode)) &&
- !fflag)
- error(p->fts_path);
- break;
- }
- exit(retval);
- }
- if (oct) {
- while (*++argv)
- if (chmod(*argv, omode) && !fflag)
- error(*argv);
- } else
- while (*++argv)
- if ((lstat(*argv, &sb) ||
- chmod(*argv, getmode(set, sb.st_mode))) && !fflag)
- error(*argv);
- exit(retval);
- }
-
- void
- error(name)
- char *name;
- {
- (void)fprintf(stderr, "chmod: %s: %s\n", name, strerror(errno));
- retval = 1;
- }
-
- void
- usage()
- {
- (void)fprintf(stderr, "usage: chmod [-R] mode file ...\n");
- exit(1);
- }
-
- #if __STDC__
- #include <stdarg.h>
- #else
- #include <varargs.h>
- #endif
-
- void
- #if __STDC__
- err(const char *fmt, ...)
- #else
- err(fmt, va_alist)
- char *fmt;
- va_dcl
- #endif
- {
- va_list ap;
- #if __STDC__
- va_start(ap, fmt);
- #else
- va_start(ap);
- #endif
- (void)fprintf(stderr, "chmod: ");
- (void)vfprintf(stderr, fmt, ap);
- va_end(ap);
- (void)fprintf(stderr, "\n");
- exit(1);
- /* NOTREACHED */
- }
-