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. 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.
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
33 * @(#) Copyright (c) 1983, 1992, 1993 The Regents of the University of California. All rights reserved.
34 * @(#)mkdir.c 8.2 (Berkeley) 1/25/94
35 * $FreeBSD: src/bin/mkdir/mkdir.c,v 1.19.2.2 2001/08/01 04:42:37 obrien Exp $
36 * $DragonFly: src/bin/mkdir/mkdir.c,v 1.6 2004/11/07 20:54:51 eirikn Exp $
39 #include <sys/types.h>
51 static int build(char *, mode_t);
52 static int mkdir_race(const char *path, int nmode);
53 static void usage(void);
58 main(int argc, char **argv)
60 int ch, exitval, success, pflag;
67 while ((ch = getopt(argc, argv, "m:pv")) != -1)
88 omode = S_IRWXU | S_IRWXG | S_IRWXO;
91 if ((set = setmode(mode)) == NULL) {
93 errx(1, "invalid file mode: %s", mode);
95 /* A malloc(3) error, not a invaild file mode. */
96 err(1, "setmode failed");
98 omode = getmode(set, S_IRWXU | S_IRWXG | S_IRWXO);
102 for (exitval = 0; *argv != NULL; ++argv) {
105 if (build(*argv, omode))
107 } else if (mkdir(*argv, omode) < 0) {
108 if (errno == ENOTDIR || errno == ENOENT)
109 warn("%s", dirname(*argv));
114 printf("%s\n", *argv);
119 * The mkdir() and umask() calls both honor only the low
120 * nine bits, so if you try to set a mode including the
121 * sticky, setuid, setgid bits you lose them. Don't do
122 * this unless the user has specifically requested a mode,
123 * as chmod will (obviously) ignore the umask.
125 if (success && mode != NULL && chmod(*argv, omode) == -1) {
134 build(char *path, mode_t omode)
137 mode_t numask, oumask;
138 int first, last, retval;
144 if (p[0] == '/') /* Skip leading '/'. */
146 for (first = 1, last = 0; !last ; ++p) {
149 else if (p[0] != '/')
152 if (!last && p[1] == '\0')
157 * For each dir operand that does not name an existing
158 * directory, effects equivalent to those cased by the
159 * following command shall occcur:
161 * mkdir -p -m $(umask -S),u+wx $(dirname dir) &&
162 * mkdir [-m mode] dir
164 * We change the user's umask and then restore it,
165 * instead of doing chmod's.
168 numask = oumask & ~(S_IWUSR | S_IXUSR);
174 if (stat(path, &sb)) {
175 if (errno != ENOENT ||
176 mkdir_race(path, last ? omode :
177 S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
182 printf("%s\n", path);
184 else if ((sb.st_mode & S_IFMT) != S_IFDIR) {
202 mkdir_race(const char *path, int nmode)
207 res = mkdir(path, nmode);
208 if (res < 0 && errno == EEXIST) {
209 if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode))
211 res = mkdir(path, nmode);
220 fprintf(stderr, "usage: mkdir [-pv] [-m mode] directory ...\n");