Merge tag 'v5.11' into next
[linux-2.6-microblaze.git] / tools / testing / selftests / net / socket.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include <stdio.h>
3 #include <errno.h>
4 #include <unistd.h>
5 #include <string.h>
6 #include <sys/types.h>
7 #include <sys/socket.h>
8 #include <netinet/in.h>
9
10 struct socket_testcase {
11         int     domain;
12         int     type;
13         int     protocol;
14
15         /* 0    = valid file descriptor
16          * -foo = error foo
17          */
18         int     expect;
19
20         /* If non-zero, accept EAFNOSUPPORT to handle the case
21          * of the protocol not being configured into the kernel.
22          */
23         int     nosupport_ok;
24 };
25
26 static struct socket_testcase tests[] = {
27         { AF_MAX,  0,           0,           -EAFNOSUPPORT,    0 },
28         { AF_INET, SOCK_STREAM, IPPROTO_TCP, 0,                1  },
29         { AF_INET, SOCK_DGRAM,  IPPROTO_TCP, -EPROTONOSUPPORT, 1  },
30         { AF_INET, SOCK_DGRAM,  IPPROTO_UDP, 0,                1  },
31         { AF_INET, SOCK_STREAM, IPPROTO_UDP, -EPROTONOSUPPORT, 1  },
32 };
33
34 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
35 #define ERR_STRING_SZ   64
36
37 static int run_tests(void)
38 {
39         char err_string1[ERR_STRING_SZ];
40         char err_string2[ERR_STRING_SZ];
41         int i, err;
42
43         err = 0;
44         for (i = 0; i < ARRAY_SIZE(tests); i++) {
45                 struct socket_testcase *s = &tests[i];
46                 int fd;
47
48                 fd = socket(s->domain, s->type, s->protocol);
49                 if (fd < 0) {
50                         if (s->nosupport_ok &&
51                             errno == EAFNOSUPPORT)
52                                 continue;
53
54                         if (s->expect < 0 &&
55                             errno == -s->expect)
56                                 continue;
57
58                         strerror_r(-s->expect, err_string1, ERR_STRING_SZ);
59                         strerror_r(errno, err_string2, ERR_STRING_SZ);
60
61                         fprintf(stderr, "socket(%d, %d, %d) expected "
62                                 "err (%s) got (%s)\n",
63                                 s->domain, s->type, s->protocol,
64                                 err_string1, err_string2);
65
66                         err = -1;
67                         break;
68                 } else {
69                         close(fd);
70
71                         if (s->expect < 0) {
72                                 strerror_r(errno, err_string1, ERR_STRING_SZ);
73
74                                 fprintf(stderr, "socket(%d, %d, %d) expected "
75                                         "success got err (%s)\n",
76                                         s->domain, s->type, s->protocol,
77                                         err_string1);
78
79                                 err = -1;
80                                 break;
81                         }
82                 }
83         }
84
85         return err;
86 }
87
88 int main(void)
89 {
90         int err = run_tests();
91
92         return err;
93 }