1 /* 2 * Copyright (c) 1992, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#) Copyright (c) 1992, 1993, 1994 The Regents of the University of California. All rights reserved. 34 * @(#)chflags.c 8.5 (Berkeley) 4/1/94 35 * $FreeBSD: src/usr.bin/chflags/chflags.c,v 1.7.2.3 2001/08/01 23:09:18 obrien Exp $ 36 * $DragonFly: src/usr.bin/chflags/chflags.c,v 1.4 2004/11/29 20:27:30 liamfoy Exp $ 37 */ 38 39 #include <sys/types.h> 40 #include <sys/stat.h> 41 42 #include <err.h> 43 #include <errno.h> 44 #include <fts.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 #include <unistd.h> 49 50 static void usage(void); 51 52 int 53 main(int argc, char **argv) 54 { 55 FTS *ftsp; 56 FTSENT *p; 57 u_long clear, set; 58 long val; 59 int Hflag, Lflag, Rflag, ch, fts_options, oct, rval; 60 char *flags, *ep; 61 62 Hflag = Lflag = Rflag = 0; 63 while ((ch = getopt(argc, argv, "HLPR")) != -1) 64 switch (ch) { 65 case 'H': 66 Hflag = 1; 67 Lflag = 0; 68 break; 69 case 'L': 70 Lflag = 1; 71 Hflag = 0; 72 break; 73 case 'P': 74 Hflag = Lflag = 0; 75 break; 76 case 'R': 77 Rflag = 1; 78 break; 79 default: 80 usage(); 81 } 82 argv += optind; 83 argc -= optind; 84 85 if (argc < 2) 86 usage(); 87 88 fts_options = FTS_PHYSICAL; 89 if (Rflag) { 90 if (Hflag) 91 fts_options |= FTS_COMFOLLOW; 92 if (Lflag) { 93 fts_options &= ~FTS_PHYSICAL; 94 fts_options |= FTS_LOGICAL; 95 } 96 } 97 98 flags = *argv; 99 if (*flags >= '0' && *flags <= '7') { 100 errno = 0; 101 val = strtol(flags, &ep, 8); 102 if (val < 0) 103 errno = ERANGE; 104 if (errno) 105 err(1, "invalid flags: %s", flags); 106 if (*ep) 107 errx(1, "invalid flags: %s", flags); 108 set = val; 109 oct = 1; 110 } else { 111 if (strtofflags(&flags, &set, &clear)) 112 errx(1, "invalid flag: %s", flags); 113 clear = ~clear; 114 oct = 0; 115 } 116 117 if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) 118 err(1, NULL); 119 120 for (rval = 0; (p = fts_read(ftsp)) != NULL;) { 121 switch (p->fts_info) { 122 case FTS_D: 123 if (!Rflag) /* Change it at FTS_DP if we're recursive. */ 124 fts_set(ftsp, p, FTS_SKIP); 125 continue; 126 case FTS_DNR: /* Warn, chflag, continue. */ 127 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 128 rval = 1; 129 break; 130 case FTS_ERR: /* Warn, continue. */ 131 case FTS_NS: 132 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 133 rval = 1; 134 continue; 135 case FTS_SL: /* Ignore. */ 136 case FTS_SLNONE: 137 /* 138 * The only symlinks that end up here are ones that 139 * don't point to anything and ones that we found 140 * doing a physical walk. 141 */ 142 continue; 143 default: 144 break; 145 } 146 if (oct) { 147 if (!chflags(p->fts_accpath, set)) 148 continue; 149 } else { 150 p->fts_statp->st_flags |= set; 151 p->fts_statp->st_flags &= clear; 152 if (!chflags(p->fts_accpath, (u_long)p->fts_statp->st_flags)) 153 continue; 154 } 155 warn("%s", p->fts_path); 156 rval = 1; 157 } 158 if (errno) 159 err(1, "fts_read"); 160 exit(rval); 161 } 162 163 static void 164 usage(void) 165 { 166 fprintf(stderr, 167 "usage: chflags [-R [-H | -L | -P]] flags file ...\n"); 168 exit(1); 169 } 170