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- /*-
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright (c) 1992, 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. 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.
- */
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <err.h>
- #include <errno.h>
- #include <fcntl.h>
- #include <fts.h>
- #include <signal.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- static volatile sig_atomic_t siginfo;
- static void usage(void) __dead2;
- static void
- siginfo_handler(int sig __unused)
- {
- siginfo = 1;
- }
- int
- main(int argc, char *argv[])
- {
- FTS *ftsp;
- FTSENT *p;
- u_long clear, newflags, set;
- long val;
- int Hflag, Lflag, Rflag, fflag, hflag, vflag, xflag;
- int ch, e, fts_options, oct, rval;
- char *flags, *ep;
- Hflag = Lflag = Rflag = fflag = hflag = vflag = xflag = 0;
- while ((ch = getopt(argc, argv, "HLPRfhvx")) != -1)
- switch (ch) {
- case 'H':
- Hflag = 1;
- Lflag = 0;
- break;
- case 'L':
- Lflag = 1;
- Hflag = 0;
- break;
- case 'P':
- Hflag = Lflag = 0;
- break;
- case 'R':
- Rflag = 1;
- break;
- case 'f':
- fflag = 1;
- break;
- case 'h':
- hflag = 1;
- break;
- case 'v':
- vflag++;
- break;
- case 'x':
- xflag = 1;
- break;
- case '?':
- default:
- usage();
- }
- argv += optind;
- argc -= optind;
- if (argc < 2)
- usage();
- (void)signal(SIGINFO, siginfo_handler);
- if (Rflag) {
- if (hflag)
- errx(1, "the -R and -h options may not be "
- "specified together.");
- if (Lflag) {
- fts_options = FTS_LOGICAL;
- } else {
- fts_options = FTS_PHYSICAL;
- if (Hflag) {
- fts_options |= FTS_COMFOLLOW;
- }
- }
- } else if (hflag) {
- fts_options = FTS_PHYSICAL;
- } else {
- fts_options = FTS_LOGICAL;
- }
- if (xflag)
- fts_options |= FTS_XDEV;
- flags = *argv;
- if (*flags >= '0' && *flags <= '7') {
- errno = 0;
- val = strtol(flags, &ep, 8);
- if (val < 0)
- errno = ERANGE;
- if (errno)
- err(1, "invalid flags: %s", flags);
- if (*ep)
- errx(1, "invalid flags: %s", flags);
- set = val;
- oct = 1;
- } else {
- if (strtofflags(&flags, &set, &clear))
- errx(1, "invalid flag: %s", flags);
- clear = ~clear;
- oct = 0;
- }
- if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL)
- err(1, NULL);
- for (rval = 0; errno = 0, (p = fts_read(ftsp)) != NULL;) {
- int atflag;
- if ((fts_options & FTS_LOGICAL) ||
- ((fts_options & FTS_COMFOLLOW) &&
- p->fts_level == FTS_ROOTLEVEL))
- atflag = 0;
- else
- atflag = AT_SYMLINK_NOFOLLOW;
- switch (p->fts_info) {
- case FTS_D: /* Change it at FTS_DP if we're recursive. */
- if (!Rflag)
- fts_set(ftsp, p, FTS_SKIP);
- continue;
- case FTS_DNR: /* Warn, chflags. */
- 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;
- default:
- break;
- }
- if (oct)
- newflags = set;
- else
- newflags = (p->fts_statp->st_flags | set) & clear;
- if (newflags == p->fts_statp->st_flags)
- continue;
- if (chflagsat(AT_FDCWD, p->fts_accpath, newflags,
- atflag) == -1) {
- e = errno;
- if (!fflag) {
- warnc(e, "%s", p->fts_path);
- rval = 1;
- }
- if (siginfo) {
- (void)printf("%s: %s\n", p->fts_path,
- strerror(e));
- siginfo = 0;
- }
- } else if (vflag || siginfo) {
- (void)printf("%s", p->fts_path);
- if (vflag > 1 || siginfo)
- (void)printf(": 0%lo -> 0%lo",
- (u_long)p->fts_statp->st_flags,
- newflags);
- (void)printf("\n");
- siginfo = 0;
- }
- }
- if (errno)
- err(1, "fts_read");
- exit(rval);
- }
- static void
- usage(void)
- {
- (void)fprintf(stderr,
- "usage: chflags [-fhvx] [-R [-H | -L | -P]] flags file ...\n");
- exit(1);
- }
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