1 /* 2 * Copyright (c) 1989 The Regents of the University of California. 3 * 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 char copyright[] = 36 "@(#) Copyright (c) 1989 The Regents of the University of California.\n\ 37 All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 static char sccsid[] = "@(#)chmod.c 5.19 (Berkeley) 3/12/91"; 42 static char rcsid[] = "$Header: /cvsroot/src/bin/chmod/chmod.c,v 1.3 1993/03/23 00:23:34 cgd Exp $"; 43 #endif /* not lint */ 44 45 #include <sys/types.h> 46 #include <sys/stat.h> 47 #include <fts.h> 48 #include <stdio.h> 49 #include <string.h> 50 51 extern int errno; 52 int retval; 53 54 main(argc, argv) 55 int argc; 56 char **argv; 57 { 58 extern int optind; 59 register FTS *fts; 60 register FTSENT *p; 61 register int oct, omode; 62 register char *mode; 63 mode_t *set, *setmode(); 64 struct stat sb; 65 int ch, fflag, rflag; 66 67 fflag = rflag = 0; 68 while ((ch = getopt(argc, argv, "Rfrwx")) != EOF) 69 switch((char)ch) { 70 case 'R': 71 rflag = 1; 72 break; 73 case 'f': /* no longer documented */ 74 fflag = 1; 75 break; 76 case 'r': /* "-[rwx]" are valid file modes */ 77 case 'w': 78 case 'x': 79 --optind; 80 goto done; 81 case '?': 82 default: 83 usage(); 84 } 85 done: argv += optind; 86 argc -= optind; 87 88 if (argc < 2) 89 usage(); 90 91 mode = *argv; 92 if (*mode >= '0' && *mode <= '7') { 93 omode = (int)strtol(mode, (char **)NULL, 8); 94 oct = 1; 95 } else { 96 if (!(set = setmode(mode))) { 97 (void)fprintf(stderr, "chmod: invalid file mode.\n"); 98 exit(1); 99 } 100 oct = 0; 101 } 102 103 retval = 0; 104 if (rflag) { 105 if (!(fts = fts_open(++argv, 106 oct ? FTS_NOSTAT|FTS_PHYSICAL : FTS_PHYSICAL, 0))) { 107 (void)fprintf(stderr, "chmod: %s.\n", strerror(errno)); 108 exit(1); 109 } 110 while (p = fts_read(fts)) 111 switch(p->fts_info) { 112 case FTS_D: 113 break; 114 case FTS_DNR: 115 case FTS_ERR: 116 case FTS_NS: 117 (void)fprintf(stderr, "chmod: %s: %s.\n", 118 p->fts_path, strerror(errno)); 119 exit(1); 120 default: 121 if (chmod(p->fts_accpath, oct ? omode : 122 getmode(set, p->fts_statb.st_mode)) && 123 !fflag) 124 error(p->fts_path); 125 break; 126 } 127 exit(retval); 128 } 129 if (oct) { 130 while (*++argv) 131 if (chmod(*argv, omode) && !fflag) 132 error(*argv); 133 } else 134 while (*++argv) 135 if ((lstat(*argv, &sb) || 136 chmod(*argv, getmode(set, sb.st_mode))) && !fflag) 137 error(*argv); 138 exit(retval); 139 } 140 141 error(name) 142 char *name; 143 { 144 (void)fprintf(stderr, "chmod: %s: %s.\n", name, strerror(errno)); 145 retval = 1; 146 } 147 148 usage() 149 { 150 (void)fprintf(stderr, "chmod: chmod [-R] mode file ...\n"); 151 exit(1); 152 } 153