1 /* $NetBSD: mkdir.c,v 1.16 1997/01/09 16:39:08 tls Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1992, 1993 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) 1983, 1992, 1993\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[] = "@(#)mkdir.c 8.2 (Berkeley) 1/25/94"; 45 #else 46 static char rcsid[] = "$NetBSD: mkdir.c,v 1.16 1997/01/09 16:39:08 tls 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 <locale.h> 56 #include <stdio.h> 57 #include <stdlib.h> 58 #include <string.h> 59 #include <unistd.h> 60 61 int mkpath __P((char *, mode_t, mode_t)); 62 void usage __P((void)); 63 64 int 65 main(argc, argv) 66 int argc; 67 char *argv[]; 68 { 69 int ch, exitval, pflag; 70 mode_t *set; 71 mode_t mode, dir_mode; 72 73 setlocale(LC_ALL, ""); 74 75 /* 76 * The default file mode is a=rwx (0777) with selected permissions 77 * removed in accordance with the file mode creation mask. For 78 * intermediate path name components, the mode is the default modified 79 * by u+wx so that the subdirectories can always be created. 80 */ 81 mode = 0777 & ~umask(0); 82 dir_mode = mode | S_IWUSR | S_IXUSR; 83 84 pflag = 0; 85 while ((ch = getopt(argc, argv, "m:p")) != -1) 86 switch(ch) { 87 case 'p': 88 pflag = 1; 89 break; 90 case 'm': 91 if ((set = setmode(optarg)) == NULL) 92 errx(1, "invalid file mode: %s", optarg); 93 mode = getmode(set, S_IRWXU | S_IRWXG | S_IRWXO); 94 break; 95 case '?': 96 default: 97 usage(); 98 } 99 argc -= optind; 100 argv += optind; 101 102 if (*argv == NULL) 103 usage(); 104 105 for (exitval = 0; *argv != NULL; ++argv) { 106 char *slash; 107 108 /* Remove trailing slashes, per POSIX. */ 109 slash = strrchr(*argv, '\0'); 110 while (--slash > *argv && *slash == '/') 111 *slash = '\0'; 112 113 if (pflag) { 114 if (mkpath(*argv, mode, dir_mode) < 0) 115 exitval = 1; 116 } else { 117 if (mkdir(*argv, mode) < 0) { 118 warn("%s", *argv); 119 exitval = 1; 120 } 121 } 122 } 123 exit(exitval); 124 } 125 126 /* 127 * mkpath -- create directories. 128 * path - path 129 * mode - file mode of terminal directory 130 * dir_mode - file mode of intermediate directories 131 */ 132 int 133 mkpath(path, mode, dir_mode) 134 char *path; 135 mode_t mode; 136 mode_t dir_mode; 137 { 138 struct stat sb; 139 char *slash; 140 int done = 0; 141 142 slash = path; 143 144 while (!done) { 145 slash += strspn(slash, "/"); 146 slash += strcspn(slash, "/"); 147 148 done = (*slash == '\0'); 149 *slash = '\0'; 150 151 if (stat(path, &sb)) { 152 if (errno != ENOENT 153 || mkdir(path, done ? mode : dir_mode)) { 154 warn("%s", path); 155 return (-1); 156 } 157 } else if (!S_ISDIR(sb.st_mode)) { 158 warnx("%s: %s", path, strerror(ENOTDIR)); 159 return (-1); 160 } 161 162 *slash = '/'; 163 } 164 165 return (0); 166 } 167 168 void 169 usage() 170 { 171 172 (void)fprintf(stderr, "usage: mkdir [-p] [-m mode] dirname ...\n"); 173 exit(1); 174 } 175