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/bin/chflags/chflags.c,v 1.24 2008/03/09 12:10:24 rwatson Exp $ 36 * $DragonFly: src/usr.bin/chflags/chflags.c,v 1.8 2008/11/11 06:56:47 pavalos Exp $ 37 */ 38 39 #include <sys/param.h> 40 #include <sys/types.h> 41 #include <sys/stat.h> 42 43 #include <err.h> 44 #include <errno.h> 45 #include <fts.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <string.h> 49 #include <unistd.h> 50 51 static void usage(void); 52 53 int 54 main(int argc, char **argv) 55 { 56 FTS *ftsp; 57 FTSENT *p; 58 u_long clear, newflags, set; 59 long val; 60 int Hflag, Lflag, Rflag, fflag, hflag, vflag; 61 int ch, fts_options, oct, rval; 62 char *flags, *ep; 63 int (*change_flags)(const char *, unsigned long); 64 65 Hflag = Lflag = Rflag = fflag = hflag = vflag = 0; 66 while ((ch = getopt(argc, argv, "HLPRfhv")) != -1) 67 switch (ch) { 68 case 'H': 69 Hflag = 1; 70 Lflag = 0; 71 break; 72 case 'L': 73 Lflag = 1; 74 Hflag = 0; 75 break; 76 case 'P': 77 Hflag = Lflag = 0; 78 break; 79 case 'R': 80 Rflag = 1; 81 break; 82 case 'f': 83 fflag = 1; 84 break; 85 case 'h': 86 hflag = 1; 87 break; 88 case 'v': 89 vflag++; 90 break; 91 default: 92 usage(); 93 } 94 argv += optind; 95 argc -= optind; 96 97 if (argc < 2) 98 usage(); 99 100 if (Rflag) { 101 fts_options = FTS_PHYSICAL; 102 if (hflag) { 103 errx(1, "the -R and -h options " 104 "may not be specified together"); 105 } 106 if (Hflag) 107 fts_options |= FTS_COMFOLLOW; 108 if (Lflag) { 109 fts_options &= ~FTS_PHYSICAL; 110 fts_options |= FTS_LOGICAL; 111 } 112 } else 113 fts_options = FTS_LOGICAL; 114 115 #if __DragonFly_version >= 200101 116 if (hflag) 117 change_flags = lchflags; 118 else 119 #endif 120 change_flags = chflags; 121 122 flags = *argv; 123 if (*flags >= '0' && *flags <= '7') { 124 errno = 0; 125 val = strtol(flags, &ep, 8); 126 if (val < 0) 127 errno = ERANGE; 128 if (errno) 129 err(1, "invalid flags: %s", flags); 130 if (*ep) 131 errx(1, "invalid flags: %s", flags); 132 set = val; 133 oct = 1; 134 } else { 135 if (strtofflags(&flags, &set, &clear)) 136 errx(1, "invalid flag: %s", flags); 137 clear = ~clear; 138 oct = 0; 139 } 140 141 if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) 142 err(1, NULL); 143 144 for (rval = 0; (p = fts_read(ftsp)) != NULL;) { 145 switch (p->fts_info) { 146 case FTS_D: 147 if (!Rflag) /* Change it at FTS_DP if we're recursive. */ 148 fts_set(ftsp, p, FTS_SKIP); 149 continue; 150 case FTS_DNR: /* Warn, chflag, continue. */ 151 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 152 rval = 1; 153 break; 154 case FTS_ERR: /* Warn, continue. */ 155 case FTS_NS: 156 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 157 rval = 1; 158 continue; 159 case FTS_SL: /* Ignore. */ 160 case FTS_SLNONE: 161 /* 162 * The only symlinks that end up here are ones that 163 * don't point to anything and ones that we found 164 * doing a physical walk. 165 */ 166 if (!hflag) 167 continue; 168 /* FALLTHROUGH */ 169 default: 170 break; 171 } 172 if (oct) 173 newflags = set; 174 else 175 newflags = (p->fts_statp->st_flags | set) & clear; 176 if (newflags == p->fts_statp->st_flags) 177 continue; 178 if ((*change_flags)(p->fts_accpath, newflags) && !fflag) { 179 warn("%s", p->fts_path); 180 rval = 1; 181 } else if (vflag) { 182 printf("%s", p->fts_path); 183 if (vflag > 1) 184 printf(": 0%lo -> 0%lo", 185 (u_long)p->fts_statp->st_flags, 186 newflags); 187 printf("\n"); 188 } 189 } 190 if (errno) 191 err(1, "fts_read"); 192 exit(rval); 193 } 194 195 static void 196 usage(void) 197 { 198 fprintf(stderr, 199 "usage: chflags [-fhv] [-R [-H | -L | -P]] flags file ...\n"); 200 exit(1); 201 } 202