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 /* not lint */ 39 40 #ifndef lint 41 static const char sccsid[] = "@(#)chflags.c 8.5 (Berkeley) 4/1/94"; 42 #endif /* not lint */ 43 44 #include <sys/types.h> 45 #include <sys/stat.h> 46 47 #include <err.h> 48 #include <errno.h> 49 #include <fts.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <string.h> 53 #include <unistd.h> 54 55 u_long string_to_flags __P((char **, u_long *, u_long *)); 56 void usage __P((void)); 57 58 int 59 main(argc, argv) 60 int argc; 61 char *argv[]; 62 { 63 FTS *ftsp; 64 FTSENT *p; 65 u_long clear, set; 66 long val; 67 int Hflag, Lflag, Pflag, Rflag, ch, fts_options, oct, rval; 68 char *flags, *ep; 69 70 Hflag = Lflag = Pflag = Rflag = 0; 71 while ((ch = getopt(argc, argv, "HLPR")) != -1) 72 switch (ch) { 73 case 'H': 74 Hflag = 1; 75 Lflag = Pflag = 0; 76 break; 77 case 'L': 78 Lflag = 1; 79 Hflag = Pflag = 0; 80 break; 81 case 'P': 82 Pflag = 1; 83 Hflag = Lflag = 0; 84 break; 85 case 'R': 86 Rflag = 1; 87 break; 88 case '?': 89 default: 90 usage(); 91 } 92 argv += optind; 93 argc -= optind; 94 95 if (argc < 2) 96 usage(); 97 98 fts_options = FTS_PHYSICAL; 99 if (Rflag) { 100 if (Hflag) 101 fts_options |= FTS_COMFOLLOW; 102 if (Lflag) { 103 fts_options &= ~FTS_PHYSICAL; 104 fts_options |= FTS_LOGICAL; 105 } 106 } 107 108 flags = *argv; 109 if (*flags >= '0' && *flags <= '7') { 110 errno = 0; 111 val = strtol(flags, &ep, 8); 112 if (val < 0) 113 errno = ERANGE; 114 if (errno) 115 err(1, "invalid flags: %s", flags); 116 if (*ep) 117 errx(1, "invalid flags: %s", flags); 118 set = val; 119 oct = 1; 120 } else { 121 if (string_to_flags(&flags, &set, &clear)) 122 errx(1, "invalid flag: %s", flags); 123 clear = ~clear; 124 oct = 0; 125 } 126 127 if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) 128 err(1, NULL); 129 130 for (rval = 0; (p = fts_read(ftsp)) != NULL;) { 131 switch (p->fts_info) { 132 case FTS_D: 133 if (Rflag) /* Change it at FTS_DP. */ 134 continue; 135 fts_set(ftsp, p, FTS_SKIP); 136 break; 137 case FTS_DNR: /* Warn, chflag, continue. */ 138 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 139 rval = 1; 140 break; 141 case FTS_ERR: /* Warn, continue. */ 142 case FTS_NS: 143 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 144 rval = 1; 145 continue; 146 case FTS_SL: /* Ignore. */ 147 case FTS_SLNONE: 148 /* 149 * The only symlinks that end up here are ones that 150 * don't point to anything and ones that we found 151 * doing a physical walk. 152 */ 153 continue; 154 default: 155 break; 156 } 157 if (oct) { 158 if (!chflags(p->fts_accpath, set)) 159 continue; 160 } else { 161 p->fts_statp->st_flags |= set; 162 p->fts_statp->st_flags &= clear; 163 if (!chflags(p->fts_accpath, p->fts_statp->st_flags)) 164 continue; 165 } 166 warn("%s", p->fts_path); 167 rval = 1; 168 } 169 if (errno) 170 err(1, "fts_read"); 171 exit(rval); 172 } 173 174 void 175 usage() 176 { 177 (void)fprintf(stderr, 178 "usage: chflags [-R [-H | -L | -P]] flags file ...\n"); 179 exit(1); 180 } 181