Annotation of src/usr.bin/chflags/chflags.c, Revision 1.1
1.1 ! deraadt 1: /* $NetBSD: chflags.c,v 1.4 1995/03/26 08:49:20 glass Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1992, 1993, 1994
! 5: * The Regents of the University of California. All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed by the University of
! 18: * California, Berkeley and its contributors.
! 19: * 4. Neither the name of the University nor the names of its contributors
! 20: * may be used to endorse or promote products derived from this software
! 21: * without specific prior written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 33: * SUCH DAMAGE.
! 34: */
! 35:
! 36: #ifndef lint
! 37: static char copyright[] =
! 38: "@(#) Copyright (c) 1992, 1993, 1994\n\
! 39: The Regents of the University of California. All rights reserved.\n";
! 40: #endif /* not lint */
! 41:
! 42: #ifndef lint
! 43: #if 0
! 44: static char sccsid[] = "from: @(#)chflags.c 8.5 (Berkeley) 4/1/94";
! 45: #else
! 46: static char rcsid[] = "$NetBSD: chflags.c,v 1.4 1995/03/26 08:49:20 glass Exp $";
! 47: #endif
! 48: #endif /* not lint */
! 49:
! 50: #include <sys/types.h>
! 51: #include <sys/stat.h>
! 52:
! 53: #include <err.h>
! 54: #include <errno.h>
! 55: #include <fts.h>
! 56: #include <stdio.h>
! 57: #include <stdlib.h>
! 58: #include <string.h>
! 59: #include <unistd.h>
! 60:
! 61: u_long string_to_flags __P((char **, u_long *, u_long *));
! 62: void usage __P((void));
! 63:
! 64: int
! 65: main(argc, argv)
! 66: int argc;
! 67: char *argv[];
! 68: {
! 69: FTS *ftsp;
! 70: FTSENT *p;
! 71: u_long clear, set;
! 72: long val;
! 73: int Hflag, Lflag, Pflag, Rflag, ch, fts_options, oct, rval;
! 74: char *flags, *ep;
! 75:
! 76: Hflag = Lflag = Pflag = Rflag = 0;
! 77: while ((ch = getopt(argc, argv, "HLPR")) != -1)
! 78: switch (ch) {
! 79: case 'H':
! 80: Hflag = 1;
! 81: Lflag = Pflag = 0;
! 82: break;
! 83: case 'L':
! 84: Lflag = 1;
! 85: Hflag = Pflag = 0;
! 86: break;
! 87: case 'P':
! 88: Pflag = 1;
! 89: Hflag = Lflag = 0;
! 90: break;
! 91: case 'R':
! 92: Rflag = 1;
! 93: break;
! 94: case '?':
! 95: default:
! 96: usage();
! 97: }
! 98: argv += optind;
! 99: argc -= optind;
! 100:
! 101: if (argc < 2)
! 102: usage();
! 103:
! 104: fts_options = FTS_PHYSICAL;
! 105: if (Rflag) {
! 106: if (Hflag)
! 107: fts_options |= FTS_COMFOLLOW;
! 108: if (Lflag) {
! 109: fts_options &= ~FTS_PHYSICAL;
! 110: fts_options |= FTS_LOGICAL;
! 111: }
! 112: }
! 113:
! 114: flags = *argv;
! 115: if (*flags >= '0' && *flags <= '7') {
! 116: errno = 0;
! 117: val = strtol(flags, &ep, 8);
! 118: if (val < 0)
! 119: errno = ERANGE;
! 120: if (errno)
! 121: err(1, "invalid flags: %s", flags);
! 122: if (*ep)
! 123: errx(1, "invalid flags: %s", flags);
! 124: set = val;
! 125: oct = 1;
! 126: } else {
! 127: if (string_to_flags(&flags, &set, &clear))
! 128: errx(1, "invalid flag: %s", flags);
! 129: clear = ~clear;
! 130: oct = 0;
! 131: }
! 132:
! 133: if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL)
! 134: err(1, NULL);
! 135:
! 136: for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
! 137: switch (p->fts_info) {
! 138: case FTS_D:
! 139: if (Rflag) /* Change it at FTS_DP. */
! 140: continue;
! 141: fts_set(ftsp, p, FTS_SKIP);
! 142: break;
! 143: case FTS_DNR: /* Warn, chflag, continue. */
! 144: warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
! 145: rval = 1;
! 146: break;
! 147: case FTS_ERR: /* Warn, continue. */
! 148: case FTS_NS:
! 149: warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
! 150: rval = 1;
! 151: continue;
! 152: case FTS_SL: /* Ignore. */
! 153: case FTS_SLNONE:
! 154: /*
! 155: * The only symlinks that end up here are ones that
! 156: * don't point to anything and ones that we found
! 157: * doing a physical walk.
! 158: */
! 159: continue;
! 160: default:
! 161: break;
! 162: }
! 163: if (oct) {
! 164: if (!chflags(p->fts_accpath, set))
! 165: continue;
! 166: } else {
! 167: p->fts_statp->st_flags |= set;
! 168: p->fts_statp->st_flags &= clear;
! 169: if (!chflags(p->fts_accpath, p->fts_statp->st_flags))
! 170: continue;
! 171: }
! 172: warn("%s", p->fts_path);
! 173: rval = 1;
! 174: }
! 175: if (errno)
! 176: err(1, "fts_read");
! 177: exit(rval);
! 178: }
! 179:
! 180: void
! 181: usage()
! 182: {
! 183: (void)fprintf(stderr,
! 184: "usage: chflags [-R [-H | -L | -P]] flags file ...\n");
! 185: exit(1);
! 186: }
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