blob: 35e0b91ac037b7f43658eb52845d76f42a0b98d3 [file] [log] [blame]
/*
* Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "tests.h"
#include <sys/syscall.h>
#if (defined __NR_getuid || defined __NR_getxuid) \
&& defined(__NR_setuid) \
&& defined(__NR_getresuid) \
&& defined(__NR_setreuid) \
&& defined(__NR_setresuid) \
&& defined(__NR_fchown) \
&& defined(__NR_getgroups)
# include <assert.h>
# include <stdlib.h>
# include <unistd.h>
# include <fcntl.h>
int
main(void)
{
int uid;
int size;
int *list = 0;
# ifndef __NR_getuid
# define __NR_getuid __NR_getxuid
# endif
uid = syscall(__NR_getuid);
check_overflowuid(uid);
assert(syscall(__NR_setuid, uid) == 0);
{
/*
* uids returned by getresuid should be ignored
* to avoid 16bit vs 32bit issues.
*/
int r, e, s;
assert(syscall(__NR_getresuid, &r, &e, &s) == 0);
}
assert(syscall(__NR_setreuid, -1, -1L) == 0);
assert(syscall(__NR_setresuid, uid, -1, -1L) == 0);
assert(syscall(__NR_fchown, 1, -1, -1L) == 0);
assert((size = syscall(__NR_getgroups, 0, list)) >= 0);
assert(list = calloc(size + 1, sizeof(*list)));
assert(syscall(__NR_getgroups, size, list) == size);
return 0;
}
#else
SKIP_MAIN_UNDEFINED("(__NR_getuid || __NR_getxuid)"
" && __NR_setuid && __NR_getresuid && __NR_setreuid"
" && __NR_setresuid && __NR_fchown && __NR_getgroups")
#endif