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 #if 0 42 static char sccsid[] = "@(#)chflags.c 8.5 (Berkeley) 4/1/94"; 43 #endif 44 static const char rcsid[] = 45 "$FreeBSD: src/usr.bin/chflags/chflags.c,v 1.7.2.3 2001/08/01 23:09:18 obrien Exp $"; 46 #endif /* not lint */ 47 48 #include <sys/types.h> 49 #include <sys/stat.h> 50 51 #include <err.h> 52 #include <errno.h> 53 #include <fts.h> 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <string.h> 57 #include <unistd.h> 58 59 int main __P((int, char *[])); 60 void usage __P((void)); 61 62 int 63 main(argc, argv) 64 int argc; 65 char *argv[]; 66 { 67 FTS *ftsp; 68 FTSENT *p; 69 u_long clear, set; 70 long val; 71 int Hflag, Lflag, Pflag, Rflag, ch, fts_options, oct, rval; 72 char *flags, *ep; 73 74 Hflag = Lflag = Pflag = Rflag = 0; 75 while ((ch = getopt(argc, argv, "HLPR")) != -1) 76 switch (ch) { 77 case 'H': 78 Hflag = 1; 79 Lflag = Pflag = 0; 80 break; 81 case 'L': 82 Lflag = 1; 83 Hflag = Pflag = 0; 84 break; 85 case 'P': 86 Pflag = 1; 87 Hflag = Lflag = 0; 88 break; 89 case 'R': 90 Rflag = 1; 91 break; 92 case '?': 93 default: 94 usage(); 95 } 96 argv += optind; 97 argc -= optind; 98 99 if (argc < 2) 100 usage(); 101 102 fts_options = FTS_PHYSICAL; 103 if (Rflag) { 104 if (Hflag) 105 fts_options |= FTS_COMFOLLOW; 106 if (Lflag) { 107 fts_options &= ~FTS_PHYSICAL; 108 fts_options |= FTS_LOGICAL; 109 } 110 } 111 112 flags = *argv; 113 if (*flags >= '0' && *flags <= '7') { 114 errno = 0; 115 val = strtol(flags, &ep, 8); 116 if (val < 0) 117 errno = ERANGE; 118 if (errno) 119 err(1, "invalid flags: %s", flags); 120 if (*ep) 121 errx(1, "invalid flags: %s", flags); 122 set = val; 123 oct = 1; 124 } else { 125 if (strtofflags(&flags, &set, &clear)) 126 errx(1, "invalid flag: %s", flags); 127 clear = ~clear; 128 oct = 0; 129 } 130 131 if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) 132 err(1, NULL); 133 134 for (rval = 0; (p = fts_read(ftsp)) != NULL;) { 135 switch (p->fts_info) { 136 case FTS_D: 137 if (Rflag) /* Change it at FTS_DP. */ 138 continue; 139 fts_set(ftsp, p, FTS_SKIP); 140 break; 141 case FTS_DNR: /* Warn, chflag, continue. */ 142 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 143 rval = 1; 144 break; 145 case FTS_ERR: /* Warn, continue. */ 146 case FTS_NS: 147 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 148 rval = 1; 149 continue; 150 case FTS_SL: /* Ignore. */ 151 case FTS_SLNONE: 152 /* 153 * The only symlinks that end up here are ones that 154 * don't point to anything and ones that we found 155 * doing a physical walk. 156 */ 157 continue; 158 default: 159 break; 160 } 161 if (oct) { 162 if (!chflags(p->fts_accpath, set)) 163 continue; 164 } else { 165 p->fts_statp->st_flags |= set; 166 p->fts_statp->st_flags &= clear; 167 if (!chflags(p->fts_accpath, (u_long)p->fts_statp->st_flags)) 168 continue; 169 } 170 warn("%s", p->fts_path); 171 rval = 1; 172 } 173 if (errno) 174 err(1, "fts_read"); 175 exit(rval); 176 } 177 178 void 179 usage() 180 { 181 (void)fprintf(stderr, 182 "usage: chflags [-R [-H | -L | -P]] flags file ...\n"); 183 exit(1); 184 } 185