net: Add socket() system call self test.

TARGETS += cpu-hotplug

TARGETS += memory-hotplug

TARGETS += efivarfs

TARGETS += net-socket

all:

	for TARGET in $(TARGETS); do \

# Makefile for net-socket selftests

CC = $(CROSS_COMPILE)gcc

CFLAGS = -Wall

NET_SOCK_PROGS = socket

all: $(NET_SOCK_PROGS)

%: %.c

	$(CC) $(CFLAGS) -o $@ $^

run_tests: all

	@/bin/sh ./run_netsocktests || echo "vmtests: [FAIL]"

clean:

	$(RM) $(NET_SOCK_PROGS)

#!/bin/bash

echo "--------------------"

echo "running socket test"

echo "--------------------"

./socket

if [ $? -ne 0 ]; then

	echo "[FAIL]"

else

	echo "[PASS]"

fi

#include <stdio.h>

#include <errno.h>

#include <unistd.h>

#include <string.h>

#include <sys/types.h>

#include <sys/socket.h>

#include <netinet/in.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 ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))

#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;

}