1/*
2 * Check decoding of socketcall syscall.
3 *
4 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include "tests.h"
31#include <asm/unistd.h>
32
33#ifdef __NR_socketcall
34
35# include <assert.h>
36# include <stdio.h>
37# include <unistd.h>
38
39# include "xlat.h"
40# include "xlat/socketcalls.h"
41
42static const char *
43xlookup_uint(const struct xlat *xlat, const unsigned int val)
44{
45	for (; xlat->str != NULL; xlat++)
46		if (xlat->val == val)
47			return xlat->str;
48	return NULL;
49}
50
51static const int sc_min = 1, sc_max = 20;
52static void *efault;
53
54static void
55test_socketcall(const int i, const void *const addr)
56{
57	const unsigned long call =
58		(unsigned long) 0xfacefeed00000000ULL | (unsigned int) i;
59
60	long rc = syscall(__NR_socketcall, call, addr);
61
62	if (i < sc_min || i > sc_max) {
63		printf("socketcall(%d, %p) = %ld %s (%m)\n",
64		       (int) call, addr, rc, errno2name());
65	} else if (addr == efault) {
66		const char *const str = xlookup_uint(socketcalls, i);
67		assert(str);
68		printf("socketcall(%s, %p) = %ld %s (%m)\n",
69		       str, addr, rc, errno2name());
70	}
71}
72int
73main(void)
74{
75	assert((unsigned) sc_min == socketcalls[0].val);
76	assert((unsigned) sc_max == socketcalls[ARRAY_SIZE(socketcalls) - 2].val);
77
78	const unsigned long *const args = tail_alloc(sizeof(*args) * 6);
79	efault = tail_alloc(1) + 1;
80
81	int i;
82	for (i = sc_min - 3; i <= sc_max + 3; ++i) {
83		test_socketcall(i, efault);
84		test_socketcall(i, args);
85	}
86
87	puts("+++ exited with 0 +++");
88	return 0;
89}
90
91#else
92
93SKIP_MAIN_UNDEFINED("__NR_socketcall")
94
95#endif
96