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 | #include "../kselftest.h" |
11 | |
12 | struct socket_testcase { |
13 | int domain; |
14 | int type; |
15 | int protocol; |
16 | |
17 | /* 0 = valid file descriptor |
18 | * -foo = error foo |
19 | */ |
20 | int expect; |
21 | |
22 | /* If non-zero, accept EAFNOSUPPORT to handle the case |
23 | * of the protocol not being configured into the kernel. |
24 | */ |
25 | int nosupport_ok; |
26 | }; |
27 | |
28 | static struct socket_testcase tests[] = { |
29 | { AF_MAX, 0, 0, -EAFNOSUPPORT, 0 }, |
30 | { AF_INET, SOCK_STREAM, IPPROTO_TCP, 0, 1 }, |
31 | { AF_INET, SOCK_DGRAM, IPPROTO_TCP, -EPROTONOSUPPORT, 1 }, |
32 | { AF_INET, SOCK_DGRAM, IPPROTO_UDP, 0, 1 }, |
33 | { AF_INET, SOCK_STREAM, IPPROTO_UDP, -EPROTONOSUPPORT, 1 }, |
34 | }; |
35 | |
36 | #define ERR_STRING_SZ 64 |
37 | |
38 | static int run_tests(void) |
39 | { |
40 | char err_string1[ERR_STRING_SZ]; |
41 | char err_string2[ERR_STRING_SZ]; |
42 | int i, err; |
43 | |
44 | err = 0; |
45 | for (i = 0; i < ARRAY_SIZE(tests); i++) { |
46 | struct socket_testcase *s = &tests[i]; |
47 | int fd; |
48 | |
49 | fd = socket(s->domain, s->type, s->protocol); |
50 | if (fd < 0) { |
51 | if (s->nosupport_ok && |
52 | errno == EAFNOSUPPORT) |
53 | continue; |
54 | |
55 | if (s->expect < 0 && |
56 | errno == -s->expect) |
57 | continue; |
58 | |
59 | strerror_r(-s->expect, err_string1, ERR_STRING_SZ); |
60 | strerror_r(errno, err_string2, ERR_STRING_SZ); |
61 | |
62 | fprintf(stderr, "socket(%d, %d, %d) expected " |
63 | "err (%s) got (%s)\n" , |
64 | s->domain, s->type, s->protocol, |
65 | err_string1, err_string2); |
66 | |
67 | err = -1; |
68 | break; |
69 | } else { |
70 | close(fd); |
71 | |
72 | if (s->expect < 0) { |
73 | strerror_r(errno, err_string1, ERR_STRING_SZ); |
74 | |
75 | fprintf(stderr, "socket(%d, %d, %d) expected " |
76 | "success got err (%s)\n" , |
77 | s->domain, s->type, s->protocol, |
78 | err_string1); |
79 | |
80 | err = -1; |
81 | break; |
82 | } |
83 | } |
84 | } |
85 | |
86 | return err; |
87 | } |
88 | |
89 | int main(void) |
90 | { |
91 | int err = run_tests(); |
92 | |
93 | return err; |
94 | } |
95 | |