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 1.2 2003/06/17 04:29:25 dillon 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 int main __P((int, char *[])); 51 void usage __P((void)); 52 53 int 54 main(argc, argv) 55 int argc; 56 char *argv[]; 57 { 58 FTS *ftsp; 59 FTSENT *p; 60 u_long clear, set; 61 long val; 62 int Hflag, Lflag, Pflag, Rflag, ch, fts_options, oct, rval; 63 char *flags, *ep; 64 65 Hflag = Lflag = Pflag = Rflag = 0; 66 while ((ch = getopt(argc, argv, "HLPR")) != -1) 67 switch (ch) { 68 case 'H': 69 Hflag = 1; 70 Lflag = Pflag = 0; 71 break; 72 case 'L': 73 Lflag = 1; 74 Hflag = Pflag = 0; 75 break; 76 case 'P': 77 Pflag = 1; 78 Hflag = Lflag = 0; 79 break; 80 case 'R': 81 Rflag = 1; 82 break; 83 case '?': 84 default: 85 usage(); 86 } 87 argv += optind; 88 argc -= optind; 89 90 if (argc < 2) 91 usage(); 92 93 fts_options = FTS_PHYSICAL; 94 if (Rflag) { 95 if (Hflag) 96 fts_options |= FTS_COMFOLLOW; 97 if (Lflag) { 98 fts_options &= ~FTS_PHYSICAL; 99 fts_options |= FTS_LOGICAL; 100 } 101 } 102 103 flags = *argv; 104 if (*flags >= '0' && *flags <= '7') { 105 errno = 0; 106 val = strtol(flags, &ep, 8); 107 if (val < 0) 108 errno = ERANGE; 109 if (errno) 110 err(1, "invalid flags: %s", flags); 111 if (*ep) 112 errx(1, "invalid flags: %s", flags); 113 set = val; 114 oct = 1; 115 } else { 116 if (strtofflags(&flags, &set, &clear)) 117 errx(1, "invalid flag: %s", flags); 118 clear = ~clear; 119 oct = 0; 120 } 121 122 if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) 123 err(1, NULL); 124 125 for (rval = 0; (p = fts_read(ftsp)) != NULL;) { 126 switch (p->fts_info) { 127 case FTS_D: 128 if (Rflag) /* Change it at FTS_DP. */ 129 continue; 130 fts_set(ftsp, p, FTS_SKIP); 131 break; 132 case FTS_DNR: /* Warn, chflag, continue. */ 133 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 134 rval = 1; 135 break; 136 case FTS_ERR: /* Warn, continue. */ 137 case FTS_NS: 138 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 139 rval = 1; 140 continue; 141 case FTS_SL: /* Ignore. */ 142 case FTS_SLNONE: 143 /* 144 * The only symlinks that end up here are ones that 145 * don't point to anything and ones that we found 146 * doing a physical walk. 147 */ 148 continue; 149 default: 150 break; 151 } 152 if (oct) { 153 if (!chflags(p->fts_accpath, set)) 154 continue; 155 } else { 156 p->fts_statp->st_flags |= set; 157 p->fts_statp->st_flags &= clear; 158 if (!chflags(p->fts_accpath, (u_long)p->fts_statp->st_flags)) 159 continue; 160 } 161 warn("%s", p->fts_path); 162 rval = 1; 163 } 164 if (errno) 165 err(1, "fts_read"); 166 exit(rval); 167 } 168 169 void 170 usage() 171 { 172 (void)fprintf(stderr, 173 "usage: chflags [-R [-H | -L | -P]] flags file ...\n"); 174 exit(1); 175 } 176