aboutsummaryrefslogtreecommitdiff
blob: 8aded022a8ba2b16d9ec1e96f5f3bd95e46ab29d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
/*
 * mkdir.c
 *
 * mkdir() wrapper.
 *
 * Copyright 1999-2006 Gentoo Foundation
 *
 *
 *      This program is free software; you can redistribute it and/or modify it
 *      under the terms of the GNU General Public License as published by the
 *      Free Software Foundation version 2 of the License.
 *
 *      This program is distributed in the hope that it will be useful, but
 *      WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *      General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License along
 *      with this program; if not, write to the Free Software Foundation, Inc.,
 *      675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  Partly Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>,
 *  as some of the InstallWatch code was used.
 *
 * $Header$
 */


extern int EXTERN_NAME(const char *, mode_t);
static int (*WRAPPER_TRUE_NAME) (const char *, mode_t) = NULL;

int WRAPPER_NAME(const char *pathname, mode_t mode)
{
	struct stat st;
	int result = -1, old_errno = errno;
	char canonic[SB_PATH_MAX];

	if (-1 == canonicalize(pathname, canonic))
		/* Path is too long to canonicalize, do not fail, but just let 
		 * the real function handle it (see bug #94630 and #21766). */
		if (ENAMETOOLONG != errno)
			return -1;

	/* XXX: Hack to prevent errors if the directory exist,
	 * and are not writable - we rather return EEXIST rather
	 * than failing */
	if (0 == lstat(canonic, &st)) {
		errno = EEXIST;
		return -1;
	}
	errno = old_errno;

	if FUNCTION_SANDBOX_SAFE("mkdir", pathname) {
		check_dlsym(WRAPPER_TRUE_NAME, WRAPPER_SYMNAME,
			    WRAPPER_SYMVER);
		result = WRAPPER_TRUE_NAME(pathname, mode);
	}

	return result;
}