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 62 63 64
|
/*
libfakechroot -- fake chroot environment
Copyright (c) 2010-2015 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>
#if defined(HAVE_LSTAT64) && !defined(HAVE___LXSTAT64)
#define _LARGEFILE64_SOURCE
#define _BSD_SOURCE
#define _DEFAULT_SOURCE
#include <sys/stat.h>
#include <limits.h>
#include <stdlib.h>
#include <unistd.h>
#include "libfakechroot.h"
wrapper(lstat64, int, (const char * file_name, struct stat64 * buf))
{
char *fakechroot_path, fakechroot_buf[FAKECHROOT_PATH_MAX], tmp[FAKECHROOT_PATH_MAX];
char resolved[FAKECHROOT_PATH_MAX];
int retval;
READLINK_TYPE_RETURN status;
const char *orig;
debug("lstat64(\"%s\", &buf)", file_name);
if (rel2abs(file_name, resolved) == NULL) {
return -1;
}
file_name = resolved;
orig = file_name;
expand_chroot_path(file_name);
retval = nextcall(lstat64)(file_name, buf);
/* deal with http://bugs.debian.org/561991 */
if ((buf->st_mode & S_IFMT) == S_IFLNK)
if ((status = readlink(orig, tmp, sizeof(tmp)-1)) != -1)
buf->st_size = status;
return retval;
}
#else
typedef int empty_translation_unit;
#endif
|