1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <stdio.h>
3*4882a593Smuzhiyun #include <errno.h>
4*4882a593Smuzhiyun #include <unistd.h>
5*4882a593Smuzhiyun #include <string.h>
6*4882a593Smuzhiyun #include <sys/types.h>
7*4882a593Smuzhiyun #include <sys/socket.h>
8*4882a593Smuzhiyun #include <netinet/in.h>
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun struct socket_testcase {
11*4882a593Smuzhiyun int domain;
12*4882a593Smuzhiyun int type;
13*4882a593Smuzhiyun int protocol;
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun /* 0 = valid file descriptor
16*4882a593Smuzhiyun * -foo = error foo
17*4882a593Smuzhiyun */
18*4882a593Smuzhiyun int expect;
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun /* If non-zero, accept EAFNOSUPPORT to handle the case
21*4882a593Smuzhiyun * of the protocol not being configured into the kernel.
22*4882a593Smuzhiyun */
23*4882a593Smuzhiyun int nosupport_ok;
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun static struct socket_testcase tests[] = {
27*4882a593Smuzhiyun { AF_MAX, 0, 0, -EAFNOSUPPORT, 0 },
28*4882a593Smuzhiyun { AF_INET, SOCK_STREAM, IPPROTO_TCP, 0, 1 },
29*4882a593Smuzhiyun { AF_INET, SOCK_DGRAM, IPPROTO_TCP, -EPROTONOSUPPORT, 1 },
30*4882a593Smuzhiyun { AF_INET, SOCK_DGRAM, IPPROTO_UDP, 0, 1 },
31*4882a593Smuzhiyun { AF_INET, SOCK_STREAM, IPPROTO_UDP, -EPROTONOSUPPORT, 1 },
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
35*4882a593Smuzhiyun #define ERR_STRING_SZ 64
36*4882a593Smuzhiyun
run_tests(void)37*4882a593Smuzhiyun static int run_tests(void)
38*4882a593Smuzhiyun {
39*4882a593Smuzhiyun char err_string1[ERR_STRING_SZ];
40*4882a593Smuzhiyun char err_string2[ERR_STRING_SZ];
41*4882a593Smuzhiyun int i, err;
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun err = 0;
44*4882a593Smuzhiyun for (i = 0; i < ARRAY_SIZE(tests); i++) {
45*4882a593Smuzhiyun struct socket_testcase *s = &tests[i];
46*4882a593Smuzhiyun int fd;
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun fd = socket(s->domain, s->type, s->protocol);
49*4882a593Smuzhiyun if (fd < 0) {
50*4882a593Smuzhiyun if (s->nosupport_ok &&
51*4882a593Smuzhiyun errno == EAFNOSUPPORT)
52*4882a593Smuzhiyun continue;
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun if (s->expect < 0 &&
55*4882a593Smuzhiyun errno == -s->expect)
56*4882a593Smuzhiyun continue;
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun strerror_r(-s->expect, err_string1, ERR_STRING_SZ);
59*4882a593Smuzhiyun strerror_r(errno, err_string2, ERR_STRING_SZ);
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun fprintf(stderr, "socket(%d, %d, %d) expected "
62*4882a593Smuzhiyun "err (%s) got (%s)\n",
63*4882a593Smuzhiyun s->domain, s->type, s->protocol,
64*4882a593Smuzhiyun err_string1, err_string2);
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun err = -1;
67*4882a593Smuzhiyun break;
68*4882a593Smuzhiyun } else {
69*4882a593Smuzhiyun close(fd);
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun if (s->expect < 0) {
72*4882a593Smuzhiyun strerror_r(errno, err_string1, ERR_STRING_SZ);
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun fprintf(stderr, "socket(%d, %d, %d) expected "
75*4882a593Smuzhiyun "success got err (%s)\n",
76*4882a593Smuzhiyun s->domain, s->type, s->protocol,
77*4882a593Smuzhiyun err_string1);
78*4882a593Smuzhiyun
79*4882a593Smuzhiyun err = -1;
80*4882a593Smuzhiyun break;
81*4882a593Smuzhiyun }
82*4882a593Smuzhiyun }
83*4882a593Smuzhiyun }
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun return err;
86*4882a593Smuzhiyun }
87*4882a593Smuzhiyun
main(void)88*4882a593Smuzhiyun int main(void)
89*4882a593Smuzhiyun {
90*4882a593Smuzhiyun int err = run_tests();
91*4882a593Smuzhiyun
92*4882a593Smuzhiyun return err;
93*4882a593Smuzhiyun }
94