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 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #if 0 31 #ifndef lint 32 static const char copyright[] = 33 "@(#) Copyright (c) 1992, 1993, 1994\n\ 34 The Regents of the University of California. All rights reserved.\n"; 35 #endif 36 37 #ifndef lint 38 static char sccsid[] = "@(#)chflags.c 8.5 (Berkeley) 4/1/94"; 39 #endif 40 #endif 41 42 #include <sys/cdefs.h> 43 __FBSDID("$FreeBSD$"); 44 45 #include <sys/types.h> 46 #include <sys/stat.h> 47 48 #include <err.h> 49 #include <errno.h> 50 #include <fts.h> 51 #include <stdio.h> 52 #include <stdlib.h> 53 #include <string.h> 54 #include <unistd.h> 55 56 void usage(void); 57 58 int 59 main(int argc, char *argv[]) 60 { 61 FTS *ftsp; 62 FTSENT *p; 63 u_long clear, newflags, set; 64 long val; 65 int Hflag, Lflag, Rflag, fflag, hflag, vflag; 66 int ch, fts_options, oct, rval; 67 char *flags, *ep; 68 int (*change_flags)(const char *, unsigned long); 69 70 Hflag = Lflag = Rflag = fflag = hflag = vflag = 0; 71 while ((ch = getopt(argc, argv, "HLPRfhv")) != -1) 72 switch (ch) { 73 case 'H': 74 Hflag = 1; 75 Lflag = 0; 76 break; 77 case 'L': 78 Lflag = 1; 79 Hflag = 0; 80 break; 81 case 'P': 82 Hflag = Lflag = 0; 83 break; 84 case 'R': 85 Rflag = 1; 86 break; 87 case 'f': 88 fflag = 1; 89 break; 90 case 'h': 91 hflag = 1; 92 break; 93 case 'v': 94 vflag++; 95 break; 96 case '?': 97 default: 98 usage(); 99 } 100 argv += optind; 101 argc -= optind; 102 103 if (argc < 2) 104 usage(); 105 106 if (Rflag) { 107 fts_options = FTS_PHYSICAL; 108 if (hflag) 109 errx(1, "the -R and -h options " 110 "may not be specified together"); 111 if (Hflag) 112 fts_options |= FTS_COMFOLLOW; 113 if (Lflag) { 114 fts_options &= ~FTS_PHYSICAL; 115 fts_options |= FTS_LOGICAL; 116 } 117 } else 118 fts_options = FTS_LOGICAL; 119 120 /* XXX: Why don't chflags and lchflags have compatible prototypes? */ 121 if (hflag) 122 change_flags = (int (*)(const char *, unsigned long))lchflags; 123 else 124 change_flags = chflags; 125 126 flags = *argv; 127 if (*flags >= '0' && *flags <= '7') { 128 errno = 0; 129 val = strtol(flags, &ep, 8); 130 if (val < 0) 131 errno = ERANGE; 132 if (errno) 133 err(1, "invalid flags: %s", flags); 134 if (*ep) 135 errx(1, "invalid flags: %s", flags); 136 set = val; 137 oct = 1; 138 } else { 139 if (strtofflags(&flags, &set, &clear)) 140 errx(1, "invalid flag: %s", flags); 141 clear = ~clear; 142 oct = 0; 143 } 144 145 if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) 146 err(1, NULL); 147 148 for (rval = 0; (p = fts_read(ftsp)) != NULL;) { 149 switch (p->fts_info) { 150 case FTS_D: /* Change it at FTS_DP if we're recursive. */ 151 if (!Rflag) 152 fts_set(ftsp, p, FTS_SKIP); 153 continue; 154 case FTS_DNR: /* Warn, chflag, continue. */ 155 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 156 rval = 1; 157 break; 158 case FTS_ERR: /* Warn, continue. */ 159 case FTS_NS: 160 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 161 rval = 1; 162 continue; 163 case FTS_SL: /* Ignore. */ 164 case FTS_SLNONE: 165 /* 166 * The only symlinks that end up here are ones that 167 * don't point to anything and ones that we found 168 * doing a physical walk. 169 */ 170 if (!hflag) 171 continue; 172 /* FALLTHROUGH */ 173 default: 174 break; 175 } 176 if (oct) 177 newflags = set; 178 else 179 newflags = (p->fts_statp->st_flags | set) & clear; 180 if (newflags == p->fts_statp->st_flags) 181 continue; 182 if ((*change_flags)(p->fts_accpath, newflags) && !fflag) { 183 warn("%s", p->fts_path); 184 rval = 1; 185 } else if (vflag) { 186 (void)printf("%s", p->fts_path); 187 if (vflag > 1) 188 (void)printf(": 0%lo -> 0%lo", 189 (u_long)p->fts_statp->st_flags, 190 newflags); 191 (void)printf("\n"); 192 } 193 } 194 if (errno) 195 err(1, "fts_read"); 196 exit(rval); 197 } 198 199 void 200 usage(void) 201 { 202 (void)fprintf(stderr, 203 "usage: chflags [-fhv] [-R [-H | -L | -P]] flags file ...\n"); 204 exit(1); 205 } 206