195 lines
4.6 KiB
C
195 lines
4.6 KiB
C
/*
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* Copyright (c) 1989 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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char copyright[] =
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"@(#) Copyright (c) 1989 The Regents of the University of California.\n\
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All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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/*static char sccsid[] = "from: @(#)chmod.c 5.21 (Berkeley) 1/27/92";*/
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static char rcsid[] = "$Id: chmod.c,v 1.8 1994/02/11 02:57:24 cgd Exp $";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <fts.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int retval;
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void err __P((const char *, ...));
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void error __P((char *));
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void usage __P((void));
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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register FTS *fts;
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register FTSENT *p;
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register int oct, omode;
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struct stat sb;
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mode_t *set;
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int ch, fflag, rflag;
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char *ep, *mode;
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fflag = rflag = 0;
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while ((ch = getopt(argc, argv, "Rfrwx")) != EOF)
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switch((char)ch) {
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case 'R':
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rflag = 1;
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break;
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case 'f': /* no longer documented */
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fflag = 1;
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break;
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case 'r': /* "-[rwx]" are valid file modes */
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case 'w':
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case 'x':
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case 'u': /* as are -[ugo] */
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case 'g':
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case 'o':
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case 'X': /* -[Xts] valid but ignored later */
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case 't':
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case 's':
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--optind;
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goto done;
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case '?':
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default:
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usage();
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}
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done: argv += optind;
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argc -= optind;
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if (argc < 2)
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usage();
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mode = *argv;
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if (*mode >= '0' && *mode <= '7') {
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omode = (int)strtol(mode, &ep, 8);
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if (omode < 0 || *ep)
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err("invalid file mode: %s", mode);
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oct = 1;
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} else {
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if (!(set = setmode(mode)))
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err("invalid file mode: %s", mode);
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oct = 0;
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}
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retval = 0;
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if (rflag) {
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if ((fts = fts_open(++argv, FTS_PHYSICAL, 0)) == NULL)
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err("%s", strerror(errno));
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while (p = fts_read(fts))
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switch(p->fts_info) {
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case FTS_D:
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case FTS_SL:
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break;
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case FTS_DNR:
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case FTS_ERR:
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case FTS_NS:
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err("%s: %s", p->fts_path, strerror(errno));
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default:
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if (chmod(p->fts_accpath, oct ? omode :
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getmode(set, p->fts_statp->st_mode)) &&
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!fflag)
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error(p->fts_path);
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break;
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}
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exit(retval);
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}
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while (*++argv) {
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if (lstat(*argv, &sb) < 0) {
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if (!fflag)
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error(*argv);
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continue;
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}
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if (S_ISLNK(sb.st_mode))
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continue;
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if (chmod(*argv, oct ? omode : getmode(set, sb.st_mode)) &&
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!fflag)
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error(*argv);
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}
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exit(retval);
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}
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void
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error(name)
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char *name;
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{
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(void)fprintf(stderr, "chmod: %s: %s\n", name, strerror(errno));
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retval = 1;
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}
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void
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usage()
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{
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(void)fprintf(stderr, "usage: chmod [-R] mode file ...\n");
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exit(1);
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}
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#if __STDC__
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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void
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#if __STDC__
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err(const char *fmt, ...)
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#else
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err(fmt, va_alist)
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char *fmt;
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va_dcl
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#endif
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{
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va_list ap;
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#if __STDC__
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va_start(ap, fmt);
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#else
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va_start(ap);
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#endif
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(void)fprintf(stderr, "chmod: ");
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(void)vfprintf(stderr, fmt, ap);
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va_end(ap);
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(void)fprintf(stderr, "\n");
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exit(1);
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/* NOTREACHED */
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}
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