1 /* $NetBSD: chflags.c,v 1.5 1997/10/18 12:39:54 lukem Exp $ */ 2 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "from: @(#)chflags.c 8.5 (Berkeley) 4/1/94"; 45 #else 46 __RCSID("$NetBSD: chflags.c,v 1.5 1997/10/18 12:39:54 lukem Exp $"); 47 #endif 48 #endif /* not lint */ 49 50 #include <sys/types.h> 51 #include <sys/stat.h> 52 53 #include <err.h> 54 #include <errno.h> 55 #include <fts.h> 56 #include <stdio.h> 57 #include <stdlib.h> 58 #include <string.h> 59 #include <unistd.h> 60 61 int main __P((int, char **)); 62 u_long string_to_flags __P((char **, u_long *, u_long *)); 63 void usage __P((void)); 64 65 int 66 main(argc, argv) 67 int argc; 68 char *argv[]; 69 { 70 FTS *ftsp; 71 FTSENT *p; 72 u_long clear, set; 73 long val; 74 int Hflag, Lflag, Pflag, Rflag, ch, fts_options, oct, rval; 75 char *flags, *ep; 76 77 Hflag = Lflag = Pflag = Rflag = 0; 78 while ((ch = getopt(argc, argv, "HLPR")) != -1) 79 switch (ch) { 80 case 'H': 81 Hflag = 1; 82 Lflag = Pflag = 0; 83 break; 84 case 'L': 85 Lflag = 1; 86 Hflag = Pflag = 0; 87 break; 88 case 'P': 89 Pflag = 1; 90 Hflag = Lflag = 0; 91 break; 92 case 'R': 93 Rflag = 1; 94 break; 95 case '?': 96 default: 97 usage(); 98 } 99 argv += optind; 100 argc -= optind; 101 102 if (argc < 2) 103 usage(); 104 105 fts_options = FTS_PHYSICAL; 106 if (Rflag) { 107 if (Hflag) 108 fts_options |= FTS_COMFOLLOW; 109 if (Lflag) { 110 fts_options &= ~FTS_PHYSICAL; 111 fts_options |= FTS_LOGICAL; 112 } 113 } 114 115 flags = *argv; 116 if (*flags >= '0' && *flags <= '7') { 117 errno = 0; 118 val = strtol(flags, &ep, 8); 119 if (val < 0) 120 errno = ERANGE; 121 if (errno) 122 err(1, "invalid flags: %s", flags); 123 if (*ep) 124 errx(1, "invalid flags: %s", flags); 125 set = val; 126 oct = 1; 127 } else { 128 if (string_to_flags(&flags, &set, &clear)) 129 errx(1, "invalid flag: %s", flags); 130 clear = ~clear; 131 oct = 0; 132 } 133 134 if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) 135 err(1, "fts_open `%s'", argv[0]); 136 137 for (rval = 0; (p = fts_read(ftsp)) != NULL;) { 138 switch (p->fts_info) { 139 case FTS_D: 140 if (Rflag) /* Change it at FTS_DP. */ 141 continue; 142 fts_set(ftsp, p, FTS_SKIP); 143 break; 144 case FTS_DNR: /* Warn, chflag, continue. */ 145 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 146 rval = 1; 147 break; 148 case FTS_ERR: /* Warn, continue. */ 149 case FTS_NS: 150 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 151 rval = 1; 152 continue; 153 case FTS_SL: /* Ignore. */ 154 case FTS_SLNONE: 155 /* 156 * The only symlinks that end up here are ones that 157 * don't point to anything and ones that we found 158 * doing a physical walk. 159 */ 160 continue; 161 default: 162 break; 163 } 164 if (oct) { 165 if (!chflags(p->fts_accpath, set)) 166 continue; 167 } else { 168 p->fts_statp->st_flags |= set; 169 p->fts_statp->st_flags &= clear; 170 if (!chflags(p->fts_accpath, p->fts_statp->st_flags)) 171 continue; 172 } 173 warn("%s", p->fts_path); 174 rval = 1; 175 } 176 if (errno) 177 err(1, "fts_read"); 178 exit(rval); 179 } 180 181 void 182 usage() 183 { 184 (void)fprintf(stderr, 185 "usage: chflags [-R [-H | -L | -P]] flags file ...\n"); 186 exit(1); 187 } 188