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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596// SPDX-License-Identifier: GPL-2.0#include <stdio.h>#include <errno.h>#include <unistd.h>#include <string.h>#include <sys/types.h>#include <sys/socket.h>#include <netinet/in.h>
#include "kselftest.h"
struct socket_testcase { int domain; int type; int protocol;
/* 0 = valid file descriptor * -foo = error foo */ int expect;
/* If non-zero, accept EAFNOSUPPORT to handle the case * of the protocol not being configured into the kernel. */ int nosupport_ok;};
static struct socket_testcase tests[] = { { AF_MAX, 0, 0, -EAFNOSUPPORT, 0 }, { AF_INET, SOCK_STREAM, IPPROTO_TCP, 0, 1 }, { AF_INET, SOCK_DGRAM, IPPROTO_TCP, -EPROTONOSUPPORT, 1 }, { AF_INET, SOCK_DGRAM, IPPROTO_UDP, 0, 1 }, { AF_INET, SOCK_STREAM, IPPROTO_UDP, -EPROTONOSUPPORT, 1 },};
#define ERR_STRING_SZ 64
static int run_tests(void){ char err_string1[ERR_STRING_SZ]; char err_string2[ERR_STRING_SZ]; const char *msg1, *msg2; int i, err;
err = 0; for (i = 0; i < ARRAY_SIZE(tests); i++) { struct socket_testcase *s = &tests[i]; int fd;
fd = socket(s->domain, s->type, s->protocol); if (fd < 0) { if (s->nosupport_ok && errno == EAFNOSUPPORT) continue;
if (s->expect < 0 && errno == -s->expect) continue;
msg1 = strerror_r(-s->expect, err_string1, ERR_STRING_SZ); msg2 = strerror_r(errno, err_string2, ERR_STRING_SZ);
fprintf(stderr, "socket(%d, %d, %d) expected " "err (%s) got (%s)\n", s->domain, s->type, s->protocol, msg1, msg2);
err = -1; break; } else { close(fd);
if (s->expect < 0) { msg1 = strerror_r(errno, err_string1, ERR_STRING_SZ);
fprintf(stderr, "socket(%d, %d, %d) expected " "success got err (%s)\n", s->domain, s->type, s->protocol, msg1);
err = -1; break; } } }
return err;}
int main(void){ int err = run_tests();
return err;}