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/*- |
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* Copyright (c) 1992, 1993, 1994 |
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* The Regents of the University of California. 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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* 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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|
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#if 0 |
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#ifndef lint |
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static const char copyright[] = |
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"@(#) Copyright (c) 1992, 1993, 1994\n\ |
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The Regents of the University of California. All rights reserved.\n"; |
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#endif |
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|
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#ifndef lint |
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static char sccsid[] = "@(#)chflags.c 8.5 (Berkeley) 4/1/94"; |
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#endif |
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#endif |
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|
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#include <sys/cdefs.h> |
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__FBSDID("$FreeBSD: release/10.0.0/bin/chflags/chflags.c 248597 2013-03-21 22:44:33Z pjd $"); |
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|
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#include <sys/types.h> |
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#include <sys/stat.h> |
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|
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#include <err.h> |
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#include <errno.h> |
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#include <fts.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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#include <unistd.h> |
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|
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static void usage(void); |
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|
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int |
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main(int argc, char *argv[]) |
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{ |
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FTS *ftsp; |
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FTSENT *p; |
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u_long clear, newflags, set; |
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long val; |
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int Hflag, Lflag, Rflag, fflag, hflag, vflag; |
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int ch, fts_options, oct, rval; |
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char *flags, *ep; |
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int (*change_flags)(const char *, unsigned long); |
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|
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Hflag = Lflag = Rflag = fflag = hflag = vflag = 0; |
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while ((ch = getopt(argc, argv, "HLPRfhv")) != -1) |
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switch (ch) { |
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case 'H': |
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Hflag = 1; |
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Lflag = 0; |
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break; |
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case 'L': |
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Lflag = 1; |
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Hflag = 0; |
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break; |
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case 'P': |
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Hflag = Lflag = 0; |
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break; |
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case 'R': |
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Rflag = 1; |
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break; |
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case 'f': |
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fflag = 1; |
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break; |
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case 'h': |
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hflag = 1; |
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break; |
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case 'v': |
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vflag++; |
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break; |
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case '?': |
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default: |
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usage(); |
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} |
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argv += optind; |
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argc -= optind; |
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|
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if (argc < 2) |
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usage(); |
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|
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if (Rflag) { |
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fts_options = FTS_PHYSICAL; |
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if (hflag) |
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errx(1, "the -R and -h options " |
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"may not be specified together"); |
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if (Hflag) |
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fts_options |= FTS_COMFOLLOW; |
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if (Lflag) { |
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fts_options &= ~FTS_PHYSICAL; |
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fts_options |= FTS_LOGICAL; |
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} |
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} else |
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fts_options = hflag ? FTS_PHYSICAL : FTS_LOGICAL; |
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|
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change_flags = hflag ? lchflags : chflags; |
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|
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flags = *argv; |
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if (*flags >= '0' && *flags <= '7') { |
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errno = 0; |
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val = strtol(flags, &ep, 8); |
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if (val < 0) |
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errno = ERANGE; |
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if (errno) |
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err(1, "invalid flags: %s", flags); |
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if (*ep) |
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errx(1, "invalid flags: %s", flags); |
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set = val; |
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oct = 1; |
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} else { |
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if (strtofflags(&flags, &set, &clear)) |
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errx(1, "invalid flag: %s", flags); |
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clear = ~clear; |
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oct = 0; |
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} |
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|
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if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) |
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err(1, NULL); |
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|
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for (rval = 0; (p = fts_read(ftsp)) != NULL;) { |
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switch (p->fts_info) { |
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case FTS_D: /* Change it at FTS_DP if we're recursive. */ |
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if (!Rflag) |
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fts_set(ftsp, p, FTS_SKIP); |
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continue; |
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case FTS_DNR: /* Warn, chflag, continue. */ |
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warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); |
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rval = 1; |
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break; |
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case FTS_ERR: /* Warn, continue. */ |
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case FTS_NS: |
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warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); |
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rval = 1; |
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continue; |
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case FTS_SL: /* Ignore. */ |
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case FTS_SLNONE: |
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/* |
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* The only symlinks that end up here are ones that |
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* don't point to anything and ones that we found |
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* doing a physical walk. |
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*/ |
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if (!hflag) |
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continue; |
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/* FALLTHROUGH */ |
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default: |
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break; |
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} |
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if (oct) |
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newflags = set; |
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else |
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newflags = (p->fts_statp->st_flags | set) & clear; |
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if (newflags == p->fts_statp->st_flags) |
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continue; |
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if ((*change_flags)(p->fts_accpath, newflags) && !fflag) { |
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warn("%s", p->fts_path); |
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rval = 1; |
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} else if (vflag) { |
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(void)printf("%s", p->fts_path); |
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if (vflag > 1) |
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(void)printf(": 0%lo -> 0%lo", |
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(u_long)p->fts_statp->st_flags, |
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newflags); |
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(void)printf("\n"); |
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} |
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} |
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if (errno) |
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err(1, "fts_read"); |
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exit(rval); |
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} |
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|
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static void |
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usage(void) |
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{ |
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(void)fprintf(stderr, |
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"usage: chflags [-fhv] [-R [-H | -L | -P]] flags file ...\n"); |
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exit(1); |
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} |
