2 * Copyright (c) 1983, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#) Copyright (c) 1983, 1992, 1993 The Regents of the University of California. All rights reserved.
30 * @(#)mkdir.c 8.2 (Berkeley) 1/25/94
31 * $FreeBSD: src/bin/mkdir/mkdir.c,v 1.19.2.2 2001/08/01 04:42:37 obrien Exp $
34 #include <sys/types.h>
46 static int build(char *, mode_t);
47 static int mkdir_race(const char *path, int nmode);
48 static void usage(void);
53 main(int argc, char **argv)
55 int ch, exitval, success, pflag;
62 while ((ch = getopt(argc, argv, "m:pv")) != -1)
83 omode = S_IRWXU | S_IRWXG | S_IRWXO;
86 if ((set = setmode(mode)) == NULL) {
88 errx(1, "invalid file mode: %s", mode);
90 /* A malloc(3) error, not a invaild file mode. */
91 err(1, "setmode failed");
93 omode = getmode(set, S_IRWXU | S_IRWXG | S_IRWXO);
97 for (exitval = 0; *argv != NULL; ++argv) {
100 if (build(*argv, omode))
102 } else if (mkdir(*argv, omode) < 0) {
103 if (errno == ENOTDIR || errno == ENOENT)
104 warn("%s", dirname(*argv));
109 printf("%s\n", *argv);
114 * The mkdir() and umask() calls both honor only the low
115 * nine bits, so if you try to set a mode including the
116 * sticky, setuid, setgid bits you lose them. Don't do
117 * this unless the user has specifically requested a mode,
118 * as chmod will (obviously) ignore the umask.
120 if (success && mode != NULL && chmod(*argv, omode) == -1) {
129 build(char *path, mode_t omode)
132 mode_t numask, oumask;
133 int first, last, retval;
139 if (p[0] == '/') /* Skip leading '/'. */
141 for (first = 1, last = 0; !last ; ++p) {
144 else if (p[0] != '/')
147 if (!last && p[1] == '\0')
152 * For each dir operand that does not name an existing
153 * directory, effects equivalent to those cased by the
154 * following command shall occcur:
156 * mkdir -p -m $(umask -S),u+wx $(dirname dir) &&
157 * mkdir [-m mode] dir
159 * We change the user's umask and then restore it,
160 * instead of doing chmod's.
163 numask = oumask & ~(S_IWUSR | S_IXUSR);
169 if (stat(path, &sb)) {
170 if (errno != ENOENT ||
171 mkdir_race(path, last ? omode :
172 S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
177 printf("%s\n", path);
179 else if ((sb.st_mode & S_IFMT) != S_IFDIR) {
197 mkdir_race(const char *path, int nmode)
202 res = mkdir(path, nmode);
203 if (res < 0 && errno == EEXIST) {
204 if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode))
206 res = mkdir(path, nmode);
215 fprintf(stderr, "usage: mkdir [-pv] [-m mode] directory ...\n");