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 34 #ifndef lint 35 static const char copyright[] = 36 "@(#) Copyright (c) 1992, 1993, 1994\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif 39 40 #if 0 41 #ifndef lint 42 static char sccsid[] = "@(#)chflags.c 8.5 (Berkeley) 4/1/94"; 43 #endif 44 #endif 45 46 #include <sys/cdefs.h> 47 __FBSDID("$FreeBSD$"); 48 49 #include <sys/types.h> 50 #include <sys/stat.h> 51 52 #include <err.h> 53 #include <errno.h> 54 #include <fts.h> 55 #include <stdio.h> 56 #include <stdlib.h> 57 #include <string.h> 58 #include <unistd.h> 59 60 void usage(void); 61 62 int 63 main(int argc, char *argv[]) 64 { 65 FTS *ftsp; 66 FTSENT *p; 67 u_long clear, set; 68 long val; 69 int Hflag, Lflag, Pflag, Rflag, ch, fts_options, oct, rval; 70 char *flags, *ep; 71 72 Hflag = Lflag = Pflag = Rflag = 0; 73 while ((ch = getopt(argc, argv, "HLPR")) != -1) 74 switch (ch) { 75 case 'H': 76 Hflag = 1; 77 Lflag = Pflag = 0; 78 break; 79 case 'L': 80 Lflag = 1; 81 Hflag = Pflag = 0; 82 break; 83 case 'P': 84 Pflag = 1; 85 Hflag = Lflag = 0; 86 break; 87 case 'R': 88 Rflag = 1; 89 break; 90 case '?': 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 fts_options |= FTS_COMFOLLOW; 104 if (Lflag) { 105 fts_options &= ~FTS_PHYSICAL; 106 fts_options |= FTS_LOGICAL; 107 } 108 } else 109 fts_options = FTS_LOGICAL; 110 111 flags = *argv; 112 if (*flags >= '0' && *flags <= '7') { 113 errno = 0; 114 val = strtol(flags, &ep, 8); 115 if (val < 0) 116 errno = ERANGE; 117 if (errno) 118 err(1, "invalid flags: %s", flags); 119 if (*ep) 120 errx(1, "invalid flags: %s", flags); 121 set = val; 122 oct = 1; 123 } else { 124 if (strtofflags(&flags, &set, &clear)) 125 errx(1, "invalid flag: %s", flags); 126 clear = ~clear; 127 oct = 0; 128 } 129 130 if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) 131 err(1, NULL); 132 133 for (rval = 0; (p = fts_read(ftsp)) != NULL;) { 134 switch (p->fts_info) { 135 case FTS_D: 136 if (Rflag) /* Change it at FTS_DP. */ 137 continue; 138 fts_set(ftsp, p, FTS_SKIP); 139 break; 140 case FTS_DNR: /* Warn, chflag, continue. */ 141 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 142 rval = 1; 143 break; 144 case FTS_ERR: /* Warn, continue. */ 145 case FTS_NS: 146 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 147 rval = 1; 148 continue; 149 case FTS_SL: /* Ignore. */ 150 case FTS_SLNONE: 151 /* 152 * The only symlinks that end up here are ones that 153 * don't point to anything and ones that we found 154 * doing a physical walk. 155 */ 156 continue; 157 default: 158 break; 159 } 160 if (oct) { 161 if (!chflags(p->fts_accpath, set)) 162 continue; 163 } else { 164 p->fts_statp->st_flags |= set; 165 p->fts_statp->st_flags &= clear; 166 if (!chflags(p->fts_accpath, (u_long)p->fts_statp->st_flags)) 167 continue; 168 } 169 warn("%s", p->fts_path); 170 rval = 1; 171 } 172 if (errno) 173 err(1, "fts_read"); 174 exit(rval); 175 } 176 177 void 178 usage(void) 179 { 180 (void)fprintf(stderr, 181 "usage: chflags [-R [-H | -L | -P]] flags file ...\n"); 182 exit(1); 183 } 184