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
42 static const char *
xlookup_uint(const struct xlat * xlat,const unsigned int val)43 xlookup_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
51 static const int sc_min = 1, sc_max = 20;
52 static void *efault;
53
54 static void
test_socketcall(const int i,const void * const addr)55 test_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 }
72 int
main(void)73 main(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
93 SKIP_MAIN_UNDEFINED("__NR_socketcall")
94
95 #endif
96