1 /* $NetBSD: chflags.c,v 1.2 1994/11/14 20:27:23 jtc 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 #ifndef lint 37 static char copyright[] = 38 "@(#) 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[] = "@(#)chflags.c 8.5 (Berkeley) 4/1/94"; 45 #endif 46 static char rcsid[] = "$NetBSD: chflags.c,v 1.2 1994/11/14 20:27:23 jtc Exp $"; 47 #endif /* not lint */ 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 u_long string_to_flags __P((char **, u_long *, u_long *)); 61 void usage __P((void)); 62 63 int 64 main(argc, argv) 65 int argc; 66 char *argv[]; 67 { 68 FTS *ftsp; 69 FTSENT *p; 70 u_long clear, set; 71 long val; 72 int Hflag, Lflag, Pflag, Rflag, ch, fts_options, oct, rval; 73 char *flags, *ep; 74 75 Hflag = Lflag = Pflag = Rflag = 0; 76 while ((ch = getopt(argc, argv, "HLPR")) != EOF) 77 switch (ch) { 78 case 'H': 79 Hflag = 1; 80 Lflag = Pflag = 0; 81 break; 82 case 'L': 83 Lflag = 1; 84 Hflag = Pflag = 0; 85 break; 86 case 'P': 87 Pflag = 1; 88 Hflag = Lflag = 0; 89 break; 90 case 'R': 91 Rflag = 1; 92 break; 93 case '?': 94 default: 95 usage(); 96 } 97 argv += optind; 98 argc -= optind; 99 100 if (argc < 2) 101 usage(); 102 103 fts_options = FTS_PHYSICAL; 104 if (Rflag) { 105 if (Hflag) 106 fts_options |= FTS_COMFOLLOW; 107 if (Lflag) { 108 fts_options &= ~FTS_PHYSICAL; 109 fts_options |= FTS_LOGICAL; 110 } 111 } 112 113 flags = *argv; 114 if (*flags >= '0' && *flags <= '7') { 115 errno = 0; 116 val = strtol(flags, &ep, 8); 117 if (val < 0) 118 errno = ERANGE; 119 if (errno) 120 err(1, "invalid flags: %s", flags); 121 if (*ep) 122 errx(1, "invalid flags: %s", flags); 123 set = val; 124 oct = 1; 125 } else { 126 if (string_to_flags(&flags, &set, &clear)) 127 errx(1, "invalid flag: %s", flags); 128 clear = ~clear; 129 oct = 0; 130 } 131 132 if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) 133 err(1, NULL); 134 135 for (rval = 0; (p = fts_read(ftsp)) != NULL;) { 136 switch (p->fts_info) { 137 case FTS_D: 138 if (Rflag) /* Change it at FTS_DP. */ 139 continue; 140 fts_set(ftsp, p, FTS_SKIP); 141 break; 142 case FTS_DNR: /* Warn, chflag, continue. */ 143 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 144 rval = 1; 145 break; 146 case FTS_ERR: /* Warn, continue. */ 147 case FTS_NS: 148 warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 149 rval = 1; 150 continue; 151 case FTS_SL: /* Ignore. */ 152 case FTS_SLNONE: 153 /* 154 * The only symlinks that end up here are ones that 155 * don't point to anything and ones that we found 156 * doing a physical walk. 157 */ 158 continue; 159 default: 160 break; 161 } 162 if (oct) { 163 if (!chflags(p->fts_accpath, set)) 164 continue; 165 } else { 166 p->fts_statp->st_flags |= set; 167 p->fts_statp->st_flags &= clear; 168 if (!chflags(p->fts_accpath, p->fts_statp->st_flags)) 169 continue; 170 } 171 warn("%s", p->fts_path); 172 rval = 1; 173 } 174 if (errno) 175 err(1, "fts_read"); 176 exit(rval); 177 } 178 179 void 180 usage() 181 { 182 (void)fprintf(stderr, 183 "usage: chflags [-R [-H | -L | -P]] flags file ...\n"); 184 exit(1); 185 } 186