1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1992, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #if 0 33 #ifndef lint 34 static const char copyright[] = 35 "@(#) Copyright (c) 1992, 1993, 1994\n\ 36 The Regents of the University of California. All rights reserved.\n"; 37 #endif 38 39 #ifndef lint 40 static char sccsid[] = "@(#)chflags.c 8.5 (Berkeley) 4/1/94"; 41 #endif 42 #endif 43 44 #include <sys/cdefs.h> 45 __FBSDID("$FreeBSD$"); 46 47 #include <sys/types.h> 48 #include <sys/stat.h> 49 50 #include <err.h> 51 #include <errno.h> 52 #include <fcntl.h> 53 #include <fts.h> 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <string.h> 57 #include <unistd.h> 58 59 static void usage(void); 60 61 int 62 main(int argc, char *argv[]) 63 { 64 FTS *ftsp; 65 FTSENT *p; 66 u_long clear, newflags, set; 67 long val; 68 int Hflag, Lflag, Rflag, fflag, hflag, vflag; 69 int ch, fts_options, oct, rval; 70 char *flags, *ep; 71 72 Hflag = Lflag = Rflag = fflag = hflag = vflag = 0; 73 while ((ch = getopt(argc, argv, "HLPRfhv")) != -1) 74 switch (ch) { 75 case 'H': 76 Hflag = 1; 77 Lflag = 0; 78 break; 79 case 'L': 80 Lflag = 1; 81 Hflag = 0; 82 break; 83 case 'P': 84 Hflag = Lflag = 0; 85 break; 86 case 'R': 87 Rflag = 1; 88 break; 89 case 'f': 90 fflag = 1; 91 break; 92 case 'h': 93 hflag = 1; 94 break; 95 case 'v': 96 vflag++; 97 break; 98 case '?': 99 default: 100 usage(); 101 } 102 argv += optind; 103 argc -= optind; 104 105 if (argc < 2) 106 usage(); 107 108 if (Rflag) { 109 if (hflag) 110 errx(1, "the -R and -h options may not be " 111 "specified together."); 112 if (Lflag) { 113 fts_options = FTS_LOGICAL; 114 } else { 115 fts_options = FTS_PHYSICAL; 116 117 if (Hflag) { 118 fts_options |= FTS_COMFOLLOW; 119 } 120 } 121 } else if (hflag) { 122 fts_options = FTS_PHYSICAL; 123 } else { 124 fts_options = FTS_LOGICAL; 125 } 126 127 flags = *argv; 128 if (*flags >= '0' && *flags <= '7') { 129 errno = 0; 130 val = strtol(flags, &ep, 8); 131 if (val < 0) 132 errno = ERANGE; 133 if (errno) 134 err(1, "invalid flags: %s", flags); 135 if (*ep) 136 errx(1, "invalid flags: %s", flags); 137 set = val; 138 oct = 1; 139 } else { 140 if (strtofflags(&flags, &set, &clear)) 141 errx(1, "invalid flag: %s", flags); 142 clear = ~clear; 143 oct = 0; 144 } 145 146 if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) 147 err(1, NULL); 148 149 for (rval = 0; (p = fts_read(ftsp)) != NULL;) { 150 int atflag; 151 152 if ((fts_options & FTS_LOGICAL) || 153 ((fts_options & FTS_COMFOLLOW) && 154 p->fts_level == FTS_ROOTLEVEL)) 155 atflag = 0; 156 else 157 atflag = AT_SYMLINK_NOFOLLOW; 158 159 switch (p->fts_info) { 160 case FTS_D: /* Change it at FTS_DP if we're recursive. */ 161 if (!Rflag) 162 fts_set(ftsp, p, FTS_SKIP); 163 continue; 164 case FTS_DNR: /* Warn, chflags. */ 165 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 166 rval = 1; 167 break; 168 case FTS_ERR: /* Warn, continue. */ 169 case FTS_NS: 170 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 171 rval = 1; 172 continue; 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 (chflagsat(AT_FDCWD, p->fts_accpath, newflags, 183 atflag) == -1 && !fflag) { 184 warn("%s", p->fts_path); 185 rval = 1; 186 } else if (vflag) { 187 (void)printf("%s", p->fts_path); 188 if (vflag > 1) 189 (void)printf(": 0%lo -> 0%lo", 190 (u_long)p->fts_statp->st_flags, 191 newflags); 192 (void)printf("\n"); 193 } 194 } 195 if (errno) 196 err(1, "fts_read"); 197 exit(rval); 198 } 199 200 static void 201 usage(void) 202 { 203 (void)fprintf(stderr, 204 "usage: chflags [-fhv] [-R [-H | -L | -P]] flags file ...\n"); 205 exit(1); 206 } 207