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 $
32 * $DragonFly: src/bin/mkdir/mkdir.c,v 1.6 2004/11/07 20:54:51 eirikn Exp $
35 #include <sys/types.h>
47 static int build(char *, mode_t);
48 static int mkdir_race(const char *path, int nmode);
49 static void usage(void);
54 main(int argc, char **argv)
56 int ch, exitval, success, pflag;
63 while ((ch = getopt(argc, argv, "m:pv")) != -1)
84 omode = S_IRWXU | S_IRWXG | S_IRWXO;
87 if ((set = setmode(mode)) == NULL) {
89 errx(1, "invalid file mode: %s", mode);
91 /* A malloc(3) error, not a invaild file mode. */
92 err(1, "setmode failed");
94 omode = getmode(set, S_IRWXU | S_IRWXG | S_IRWXO);
98 for (exitval = 0; *argv != NULL; ++argv) {
101 if (build(*argv, omode))
103 } else if (mkdir(*argv, omode) < 0) {
104 if (errno == ENOTDIR || errno == ENOENT)
105 warn("%s", dirname(*argv));
110 printf("%s\n", *argv);
115 * The mkdir() and umask() calls both honor only the low
116 * nine bits, so if you try to set a mode including the
117 * sticky, setuid, setgid bits you lose them. Don't do
118 * this unless the user has specifically requested a mode,
119 * as chmod will (obviously) ignore the umask.
121 if (success && mode != NULL && chmod(*argv, omode) == -1) {
130 build(char *path, mode_t omode)
133 mode_t numask, oumask;
134 int first, last, retval;
140 if (p[0] == '/') /* Skip leading '/'. */
142 for (first = 1, last = 0; !last ; ++p) {
145 else if (p[0] != '/')
148 if (!last && p[1] == '\0')
153 * For each dir operand that does not name an existing
154 * directory, effects equivalent to those cased by the
155 * following command shall occcur:
157 * mkdir -p -m $(umask -S),u+wx $(dirname dir) &&
158 * mkdir [-m mode] dir
160 * We change the user's umask and then restore it,
161 * instead of doing chmod's.
164 numask = oumask & ~(S_IWUSR | S_IXUSR);
170 if (stat(path, &sb)) {
171 if (errno != ENOENT ||
172 mkdir_race(path, last ? omode :
173 S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
178 printf("%s\n", path);
180 else if ((sb.st_mode & S_IFMT) != S_IFDIR) {
198 mkdir_race(const char *path, int nmode)
203 res = mkdir(path, nmode);
204 if (res < 0 && errno == EEXIST) {
205 if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode))
207 res = mkdir(path, nmode);
216 fprintf(stderr, "usage: mkdir [-pv] [-m mode] directory ...\n");