/* * Copyright (c) 1989, 1993, 1994 * 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. * * $Id: chmod.c,v 1.5.2.2 1997/09/14 13:07:01 jkh Exp $ */ #ifndef lint static char const copyright[] = "@(#) Copyright (c) 1989, 1993, 1994\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint static char const sccsid[] = "@(#)chmod.c 8.8 (Berkeley) 4/1/94"; #endif /* not lint */ #include #include #include #include #include #include #include #include #include #include void usage __P((void)); char *__progname; int main(argc, argv) int argc; char *argv[]; { FTS *ftsp; FTSENT *p; mode_t *set; long val; int oct, omode; int Hflag, Lflag, Pflag, Rflag, ch, fflag, fts_options, hflag, rval; char *ep, *mode; __progname = basename(argv[0]); set = NULL; omode = 0; Hflag = Lflag = Pflag = Rflag = fflag = hflag = 0; while ((ch = getopt(argc, argv, "HLPRXfgorstuwx")) != -1) switch (ch) { case 'H': Hflag = 1; Lflag = Pflag = 0; break; case 'L': Lflag = 1; Hflag = Pflag = 0; break; case 'P': Pflag = 1; Hflag = Lflag = 0; break; case 'R': Rflag = 1; break; case 'f': /* XXX: undocumented. */ fflag = 1; break; case 'h': /* * In System V (and probably POSIX.2) the -h option * causes chmod to change the mode of the symbolic * link. 4.4BSD's symbolic links don't have modes, * so it's an undocumented noop. Do syntax checking, * though. */ hflag = 1; break; /* * XXX * "-[rwx]" are valid mode commands. If they are the entire * argument, getopt has moved past them, so decrement optind. * Regardless, we're done argument processing. */ case 'g': case 'o': case 'r': case 's': case 't': case 'u': case 'w': case 'X': case 'x': if (argv[optind - 1][0] == '-' && argv[optind - 1][1] == ch && argv[optind - 1][2] == '\0') --optind; goto done; case '?': default: usage(); } done: argv += optind; argc -= optind; if (argc < 2) usage(); fts_options = FTS_PHYSICAL; if (Rflag) { if (hflag) errx(1, "the -R and -h options may not be specified together."); if (Hflag) fts_options |= FTS_COMFOLLOW; if (Lflag) { fts_options &= ~FTS_PHYSICAL; fts_options |= FTS_LOGICAL; } } mode = *argv; if (*mode >= '0' && *mode <= '7') { errno = 0; val = strtol(mode, &ep, 8); if (val > INT_MAX || val < 0) errno = ERANGE; if (errno) err(1, "invalid file mode: %s", mode); if (*ep) errx(1, "invalid file mode: %s", mode); omode = val; oct = 1; } else { if ((set = setmode(mode)) == NULL) errx(1, "invalid file mode: %s", mode); oct = 0; } if ((ftsp = fts_open(++argv, fts_options, 0)) == NULL) err(1, NULL); for (rval = 0; (p = fts_read(ftsp)) != NULL;) { switch (p->fts_info) { case FTS_D: /* Change it at FTS_DP. */ if (!Rflag) fts_set(ftsp, p, FTS_SKIP); continue; case FTS_DNR: /* Warn, chmod, continue. */ warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); rval = 1; break; case FTS_ERR: /* Warn, continue. */ case FTS_NS: warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); rval = 1; continue; case FTS_SL: /* Ignore. */ case FTS_SLNONE: /* * The only symlinks that end up here are ones that * don't point to anything and ones that we found * doing a physical walk. */ continue; default: break; } if (chmod(p->fts_accpath, oct ? omode : getmode(set, p->fts_statp->st_mode)) && !fflag) { warn(p->fts_path); rval = 1; } } if (errno) err(1, "fts_read"); exit(rval); } void usage() { (void)fprintf(stderr, "usage: chmod [-R [-H | -L | -P]] mode file ...\n"); exit(1); }