1 /* $OpenBSD: mkdir.c,v 1.13 2002/06/09 05:34:26 todd Exp $ */ 2 /* $NetBSD: mkdir.c,v 1.14 1995/06/25 21:59:21 mycroft Exp $ */ 3 4 /* 5 * Copyright (c) 1983, 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef lint 38 static char copyright[] = 39 "@(#) Copyright (c) 1983, 1992, 1993\n\ 40 The Regents of the University of California. All rights reserved.\n"; 41 #endif /* not lint */ 42 43 #ifndef lint 44 #if 0 45 static char sccsid[] = "@(#)mkdir.c 8.2 (Berkeley) 1/25/94"; 46 #else 47 static char rcsid[] = "$OpenBSD: mkdir.c,v 1.13 2002/06/09 05:34:26 todd Exp $"; 48 #endif 49 #endif /* not lint */ 50 51 #include <sys/types.h> 52 #include <sys/stat.h> 53 54 #include <err.h> 55 #include <errno.h> 56 #include <locale.h> 57 #include <stdio.h> 58 #include <stdlib.h> 59 #include <string.h> 60 #include <unistd.h> 61 62 extern char *__progname; 63 64 int mkpath(char *, mode_t, mode_t); 65 void usage(void); 66 67 int 68 main(argc, argv) 69 int argc; 70 char *argv[]; 71 { 72 int ch, exitval, pflag; 73 mode_t *set; 74 mode_t mode, dir_mode; 75 76 setlocale(LC_ALL, ""); 77 78 /* 79 * The default file mode is a=rwx (0777) with selected permissions 80 * removed in accordance with the file mode creation mask. For 81 * intermediate path name components, the mode is the default modified 82 * by u+wx so that the subdirectories can always be created. 83 */ 84 mode = 0777 & ~umask(0); 85 dir_mode = mode | S_IWUSR | S_IXUSR; 86 87 pflag = 0; 88 while ((ch = getopt(argc, argv, "m:p")) != -1) 89 switch(ch) { 90 case 'p': 91 pflag = 1; 92 break; 93 case 'm': 94 if ((set = setmode(optarg)) == NULL) 95 errx(1, "invalid file mode: %s", optarg); 96 mode = getmode(set, S_IRWXU | S_IRWXG | S_IRWXO); 97 free(set); 98 break; 99 default: 100 usage(); 101 } 102 argc -= optind; 103 argv += optind; 104 105 if (*argv == NULL) 106 usage(); 107 108 for (exitval = 0; *argv != NULL; ++argv) { 109 char *slash; 110 111 /* Remove trailing slashes, per POSIX. */ 112 slash = strrchr(*argv, '\0'); 113 while (--slash > *argv && *slash == '/') 114 *slash = '\0'; 115 116 if (pflag) { 117 if (mkpath(*argv, mode, dir_mode) < 0) 118 exitval = 1; 119 } else { 120 if (mkdir(*argv, mode) < 0) { 121 warn("%s", *argv); 122 exitval = 1; 123 } else { 124 /* 125 * The mkdir() and umask() calls both honor only the low 126 * nine bits, so if you try to set a mode including the 127 * sticky, setuid, setgid bits you lose them. Don't do 128 * this unless the user has specifically requested a mode 129 * as chmod will (obviously) ignore the umask. 130 */ 131 if (mode > 0777 && chmod(*argv, mode) == -1) { 132 warn("%s", *argv); 133 exitval = 1; 134 } 135 } 136 } 137 } 138 exit(exitval); 139 } 140 141 /* 142 * mkpath -- create directories. 143 * path - path 144 * mode - file mode of terminal directory 145 * dir_mode - file mode of intermediate directories 146 */ 147 int 148 mkpath(path, mode, dir_mode) 149 char *path; 150 mode_t mode; 151 mode_t dir_mode; 152 { 153 struct stat sb; 154 char *slash; 155 int done = 0; 156 157 slash = path; 158 159 while (!done) { 160 slash += strspn(slash, "/"); 161 slash += strcspn(slash, "/"); 162 163 done = (*slash == '\0'); 164 *slash = '\0'; 165 166 if (stat(path, &sb)) { 167 if (errno != ENOENT || 168 (mkdir(path, done ? mode : dir_mode) && 169 errno != EEXIST)) { 170 warn("%s", path); 171 return (-1); 172 } 173 } else if (!S_ISDIR(sb.st_mode)) { 174 warnx("%s: %s", path, strerror(ENOTDIR)); 175 return (-1); 176 } 177 178 *slash = '/'; 179 } 180 181 return (0); 182 } 183 184 void 185 usage() 186 { 187 (void)fprintf(stderr, "usage: %s [-p] [-m mode] dirname ...\n", __progname); 188 exit(1); 189 } 190