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, set; 64 long val; 65 int Hflag, Lflag, Rflag, hflag, ch, fts_options, oct, rval; 66 char *flags, *ep; 67 int (*change_flags)(const char *, unsigned long); 68 69 Hflag = Lflag = Rflag = hflag = 0; 70 while ((ch = getopt(argc, argv, "HLPRh")) != -1) 71 switch (ch) { 72 case 'H': 73 Hflag = 1; 74 Lflag = 0; 75 break; 76 case 'L': 77 Lflag = 1; 78 Hflag = 0; 79 break; 80 case 'P': 81 Hflag = Lflag = 0; 82 break; 83 case 'R': 84 Rflag = 1; 85 break; 86 case 'h': 87 hflag = 1; 88 break; 89 case '?': 90 default: 91 usage(); 92 } 93 argv += optind; 94 argc -= optind; 95 96 if (argc < 2) 97 usage(); 98 99 if (Rflag) { 100 fts_options = FTS_PHYSICAL; 101 if (hflag) 102 errx(1, "the -R and -h options " 103 "may not be specified together"); 104 if (Hflag) 105 fts_options |= FTS_COMFOLLOW; 106 if (Lflag) { 107 fts_options &= ~FTS_PHYSICAL; 108 fts_options |= FTS_LOGICAL; 109 } 110 } else 111 fts_options = FTS_LOGICAL; 112 113 /* XXX: Why don't chflags and lchflags have compatible prototypes? */ 114 if (hflag) 115 change_flags = (int (*)(const char *, unsigned long))lchflags; 116 else 117 change_flags = chflags; 118 119 flags = *argv; 120 if (*flags >= '0' && *flags <= '7') { 121 errno = 0; 122 val = strtol(flags, &ep, 8); 123 if (val < 0) 124 errno = ERANGE; 125 if (errno) 126 err(1, "invalid flags: %s", flags); 127 if (*ep) 128 errx(1, "invalid flags: %s", flags); 129 set = val; 130 oct = 1; 131 } else { 132 if (strtofflags(&flags, &set, &clear)) 133 errx(1, "invalid flag: %s", flags); 134 clear = ~clear; 135 oct = 0; 136 } 137 138 if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) 139 err(1, NULL); 140 141 for (rval = 0; (p = fts_read(ftsp)) != NULL;) { 142 switch (p->fts_info) { 143 case FTS_D: /* Change it at FTS_DP if we're recursive. */ 144 if (!Rflag) 145 fts_set(ftsp, p, FTS_SKIP); 146 continue; 147 case FTS_DNR: /* Warn, chflag, continue. */ 148 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 149 rval = 1; 150 break; 151 case FTS_ERR: /* Warn, continue. */ 152 case FTS_NS: 153 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 154 rval = 1; 155 continue; 156 case FTS_SL: /* Ignore. */ 157 case FTS_SLNONE: 158 /* 159 * The only symlinks that end up here are ones that 160 * don't point to anything and ones that we found 161 * doing a physical walk. 162 */ 163 if (!hflag) 164 continue; 165 /* FALLTHROUGH */ 166 default: 167 break; 168 } 169 if (oct) { 170 if (!(*change_flags)(p->fts_accpath, set)) 171 continue; 172 } else { 173 p->fts_statp->st_flags |= set; 174 p->fts_statp->st_flags &= clear; 175 if (!(*change_flags)(p->fts_accpath, 176 (u_long)p->fts_statp->st_flags)) 177 continue; 178 } 179 warn("%s", p->fts_path); 180 rval = 1; 181 } 182 if (errno) 183 err(1, "fts_read"); 184 exit(rval); 185 } 186 187 void 188 usage(void) 189 { 190 (void)fprintf(stderr, 191 "usage: chflags [-h] [-R [-H | -L | -P]] flags file ...\n"); 192 exit(1); 193 } 194