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/* $NetBSD: mkdir.c,v 1.38 2011/08/29 14:45:28 joerg Exp $ */
/*
* Copyright (c) 1983, 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1983, 1992, 1993\
The Regents of the University of California. All rights reserved.");
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)mkdir.c 8.2 (Berkeley) 1/25/94";
#else
__RCSID("$NetBSD: mkdir.c,v 1.38 2011/08/29 14:45:28 joerg Exp $");
#endif
#endif /* not lint */
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <err.h>
#include <errno.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static int mkpath(char *, mode_t, mode_t);
__dead static void usage(void);
int
main(int argc, char *argv[])
{
int ch, exitval, pflag;
void *set;
mode_t mode, dir_mode;
setprogname(argv[0]);
(void)setlocale(LC_ALL, "");
/*
* The default file mode is a=rwx (0777) with selected permissions
* removed in accordance with the file mode creation mask. For
* intermediate path name components, the mode is the default modified
* by u+wx so that the subdirectories can always be created.
*/
mode = (S_IRWXU | S_IRWXG | S_IRWXO) & ~umask(0);
dir_mode = mode | S_IWUSR | S_IXUSR;
pflag = 0;
while ((ch = getopt(argc, argv, "m:p")) != -1)
switch (ch) {
case 'p':
pflag = 1;
break;
case 'm':
if ((set = setmode(optarg)) == NULL) {
err(EXIT_FAILURE, "Cannot set file mode `%s'",
optarg);
/* NOTREACHED */
}
mode = getmode(set, S_IRWXU | S_IRWXG | S_IRWXO);
free(set);
break;
case '?':
default:
usage();
/* NOTREACHED */
}
argc -= optind;
argv += optind;
if (*argv == NULL) {
usage();
/* NOTREACHED */
}
for (exitval = EXIT_SUCCESS; *argv != NULL; ++argv) {
#ifdef notdef
char *slash;
/* Kernel takes care of this */
/* Remove trailing slashes, per POSIX. */
slash = strrchr(*argv, '\0');
while (--slash > *argv && *slash == '/')
*slash = '\0';
#endif
if (pflag) {
if (mkpath(*argv, mode, dir_mode) < 0)
exitval = EXIT_FAILURE;
} else {
if (mkdir(*argv, mode) < 0) {
warn("%s", *argv);
exitval = EXIT_FAILURE;
} else {
/*
* The mkdir() and umask() calls both honor
* only the file permission bits, so if you try
* to set a mode including the sticky, setuid,
* setgid bits you lose them. So chmod().
*/
if ((mode & ~(S_IRWXU|S_IRWXG|S_IRWXO)) != 0 &&
chmod(*argv, mode) == -1) {
warn("%s", *argv);
exitval = EXIT_FAILURE;
}
}
}
}
exit(exitval);
/* NOTREACHED */
}
/*
* mkpath -- create directories.
* path - path
* mode - file mode of terminal directory
* dir_mode - file mode of intermediate directories
*/
static int
mkpath(char *path, mode_t mode, mode_t dir_mode)
{
struct stat sb;
char *slash;
int done, rv;
done = 0;
slash = path;
for (;;) {
slash += strspn(slash, "/");
slash += strcspn(slash, "/");
done = (*slash == '\0');
*slash = '\0';
rv = mkdir(path, done ? mode : dir_mode);
if (rv < 0) {
/*
* Can't create; path exists or no perms.
* stat() path to determine what's there now.
*/
int sverrno;
sverrno = errno;
if (stat(path, &sb) < 0) {
/* Not there; use mkdir()s error */
errno = sverrno;
warn("%s", path);
return -1;
}
if (!S_ISDIR(sb.st_mode)) {
/* Is there, but isn't a directory */
errno = ENOTDIR;
warn("%s", path);
return -1;
}
} else if (done) {
/*
* Created ok, and this is the last element
*/
/*
* The mkdir() and umask() calls both honor only the
* file permission bits, so if you try to set a mode
* including the sticky, setuid, setgid bits you lose
* them. So chmod().
*/
if ((mode & ~(S_IRWXU|S_IRWXG|S_IRWXO)) != 0 &&
chmod(path, mode) == -1) {
warn("%s", path);
return -1;
}
}
if (done) {
break;
}
*slash = '/';
}
return 0;
}
static void
usage(void)
{
(void)fprintf(stderr, "usage: %s [-p] [-m mode] dirname ...\n",
getprogname());
exit(EXIT_FAILURE);
/* NOTREACHED */
}
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