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// 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];
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;
strerror_r(-s->expect, err_string1, ERR_STRING_SZ);
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,
err_string1, err_string2);
err = -1;
break;
} else {
close(fd);
if (s->expect < 0) {
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,
err_string1);
err = -1;
break;
}
}
}
return err;
}
int main(void)
{
int err = run_tests();
return err;
}
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