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 1.3 2003/10/02 17:42:26 hmp 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(int, char *[]); 51 void usage(void); 52 53 int 54 main(int argc, char **argv) 55 { 56 FTS *ftsp; 57 FTSENT *p; 58 u_long clear, set; 59 long val; 60 int Hflag, Lflag, Pflag, Rflag, ch, fts_options, oct, rval; 61 char *flags, *ep; 62 63 Hflag = Lflag = Pflag = Rflag = 0; 64 while ((ch = getopt(argc, argv, "HLPR")) != -1) 65 switch (ch) { 66 case 'H': 67 Hflag = 1; 68 Lflag = Pflag = 0; 69 break; 70 case 'L': 71 Lflag = 1; 72 Hflag = Pflag = 0; 73 break; 74 case 'P': 75 Pflag = 1; 76 Hflag = Lflag = 0; 77 break; 78 case 'R': 79 Rflag = 1; 80 break; 81 case '?': 82 default: 83 usage(); 84 } 85 argv += optind; 86 argc -= optind; 87 88 if (argc < 2) 89 usage(); 90 91 fts_options = FTS_PHYSICAL; 92 if (Rflag) { 93 if (Hflag) 94 fts_options |= FTS_COMFOLLOW; 95 if (Lflag) { 96 fts_options &= ~FTS_PHYSICAL; 97 fts_options |= FTS_LOGICAL; 98 } 99 } 100 101 flags = *argv; 102 if (*flags >= '0' && *flags <= '7') { 103 errno = 0; 104 val = strtol(flags, &ep, 8); 105 if (val < 0) 106 errno = ERANGE; 107 if (errno) 108 err(1, "invalid flags: %s", flags); 109 if (*ep) 110 errx(1, "invalid flags: %s", flags); 111 set = val; 112 oct = 1; 113 } else { 114 if (strtofflags(&flags, &set, &clear)) 115 errx(1, "invalid flag: %s", flags); 116 clear = ~clear; 117 oct = 0; 118 } 119 120 if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) 121 err(1, NULL); 122 123 for (rval = 0; (p = fts_read(ftsp)) != NULL;) { 124 switch (p->fts_info) { 125 case FTS_D: 126 if (Rflag) /* Change it at FTS_DP. */ 127 continue; 128 fts_set(ftsp, p, FTS_SKIP); 129 break; 130 case FTS_DNR: /* Warn, chflag, continue. */ 131 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 132 rval = 1; 133 break; 134 case FTS_ERR: /* Warn, continue. */ 135 case FTS_NS: 136 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 137 rval = 1; 138 continue; 139 case FTS_SL: /* Ignore. */ 140 case FTS_SLNONE: 141 /* 142 * The only symlinks that end up here are ones that 143 * don't point to anything and ones that we found 144 * doing a physical walk. 145 */ 146 continue; 147 default: 148 break; 149 } 150 if (oct) { 151 if (!chflags(p->fts_accpath, set)) 152 continue; 153 } else { 154 p->fts_statp->st_flags |= set; 155 p->fts_statp->st_flags &= clear; 156 if (!chflags(p->fts_accpath, (u_long)p->fts_statp->st_flags)) 157 continue; 158 } 159 warn("%s", p->fts_path); 160 rval = 1; 161 } 162 if (errno) 163 err(1, "fts_read"); 164 exit(rval); 165 } 166 167 void 168 usage(void) 169 { 170 (void)fprintf(stderr, 171 "usage: chflags [-R [-H | -L | -P]] flags file ...\n"); 172 exit(1); 173 } 174