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/*
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>
#ifndef HAVE___LXSTAT
#include <sys/stat.h>
#include <unistd.h>
#include "libfakechroot.h"
#include "lstat.h"
wrapper(lstat, int, (int ver, const char * filename, struct stat * buf))
{
debug("lstat(%d, \"%s\", &buf)", ver, filename);
if (!fakechroot_localdir(filename)) {
if (filename != NULL) {
char abs_filename[FAKECHROOT_PATH_MAX];
rel2abs(filename, abs_filename);
filename = abs_filename;
}
}
return lstat_rel(ver, filename, buf);
}
/* Prevent looping with realpath() */
LOCAL int lstat_rel(const char * file_name, struct stat * buf)
{
char *fakechroot_path, fakechroot_buf[FAKECHROOT_PATH_MAX], tmp[FAKECHROOT_PATH_MAX];
int retval;
READLINK_TYPE_RETURN status;
const char *orig;
debug("lstat_rel(\"%s\", &buf)", file_name);
orig = file_name;
expand_chroot_rel_path(file_name);
retval = nextcall(lstat)(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
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