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
|
/*
libfakechroot -- fake chroot environment
Copyright (c) 2010, 2013 Piotr Roszatycki <dexter@debian.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <config.h>
#ifdef HAVE___REALPATH_CHK
#define _BSD_SOURCE
#define _DEFAULT_SOURCE
#define _FORTIFY_SOURCE 2
#include <stddef.h>
#include <stdlib.h>
#include "libfakechroot.h"
#ifdef HAVE___CHK_FAIL
extern void __chk_fail (void) __attribute__((__noreturn__));
#else
__attribute__((__noreturn__)) void __chk_fail (void)
{
exit(-1);
}
#endif
wrapper(__realpath_chk, char *, (const char * path, char * resolved, size_t resolvedlen))
{
debug("__realpath_chk(\"%s\", &buf, %zd)", path, resolvedlen);
if (resolvedlen < FAKECHROOT_PATH_MAX)
__chk_fail();
return realpath(path, resolved);
}
#else
typedef int empty_translation_unit;
#endif
|