1 /*
2  * Check decoding of getresuid/getresgid/getresuid32/getresgid32 syscalls.
3  *
4  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
5  * Copyright (c) 2016-2017 The strace developers.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include <assert.h>
32 #include <stdio.h>
33 #include <unistd.h>
34 
35 int
36 main(void)
37 {
38 	TAIL_ALLOC_OBJECT_CONST_PTR(unsigned UGID_TYPE, r);
39 	TAIL_ALLOC_OBJECT_CONST_PTR(unsigned UGID_TYPE, e);
40 	TAIL_ALLOC_OBJECT_CONST_PTR(unsigned UGID_TYPE, s);
41 
42 	if (syscall(SYSCALL_NR, r, e, s))
43 		perror_msg_and_fail(SYSCALL_NAME);
44 
45 	printf("%s([%u], [%u], [%u]) = 0\n", SYSCALL_NAME,
46 	       (unsigned) *r, (unsigned) *e, (unsigned) *s);
47 
48 	assert(syscall(SYSCALL_NR, NULL, e, s) == -1);
49 	printf("%s(NULL, %p, %p) = -1 EFAULT (%m)\n", SYSCALL_NAME, e, s);
50 
51 	assert(syscall(SYSCALL_NR, r, NULL, s) == -1);
52 	printf("%s(%p, NULL, %p) = -1 EFAULT (%m)\n", SYSCALL_NAME, r, s);
53 
54 	assert(syscall(SYSCALL_NR, r, e, NULL) == -1);
55 	printf("%s(%p, %p, NULL) = -1 EFAULT (%m)\n", SYSCALL_NAME, r, e);
56 
57 	puts("+++ exited with 0 +++");
58 	return 0;
59 }
60