Commit c7c45b0f authored by Andreas Schneider's avatar Andreas Schneider

tests: Add test for ephemeral port binding in listen()

Signed-off-by: default avatarAndreas Schneider <asn@samba.org>
Reviewed-by: default avatarStefan Metzmacher <metze@samba.org>
parent 1e2f53a6
......@@ -20,6 +20,7 @@ target_link_libraries(${TORTURE_LIBRARY}
set(SWRAP_TESTS
test_ioctl
test_tcp_listen
test_echo_tcp_socket
test_echo_tcp_connect
test_echo_tcp_bind
......
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include "config.h"
#include "torture.h"
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#ifdef HAVE_RPC_RPC_H
#include <rpc/rpc.h>
#endif
static int setup(void **state)
{
torture_setup_socket_dir(state);
return 0;
}
static int teardown(void **state)
{
torture_teardown_socket_dir(state);
return 0;
}
static void test_listen_unbound_ipv4(void **state)
{
struct torture_address addr = {
.sa_socklen = sizeof(struct sockaddr_storage),
};
int rc;
int s1;
int s2;
(void) state; /* unused */
s1 = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
assert_return_code(s1, errno);
rc = listen(s1, SOMAXCONN);
assert_return_code(rc, errno);
rc = getsockname(s1, &addr.sa.s, &addr.sa_socklen);
assert_return_code(rc, errno);
assert_int_equal(addr.sa_socklen, sizeof(struct sockaddr_in));
assert_in_range(ntohs(addr.sa.in.sin_port), 1024, 65535);
s2 = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
assert_return_code(s2, errno);
rc = connect(s2, &addr.sa.s, addr.sa_socklen);
assert_return_code(rc, errno);
close(s1);
close(s2);
}
#ifdef HAVE_IPV6
static void test_listen_unbound_ipv6(void **state)
{
struct torture_address addr = {
.sa_socklen = sizeof(struct sockaddr_storage),
};
int rc;
int s1;
int s2;
(void) state; /* unused */
s1 = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
assert_return_code(s1, errno);
rc = listen(s1, SOMAXCONN);
assert_return_code(rc, errno);
rc = getsockname(s1, &addr.sa.s, &addr.sa_socklen);
assert_return_code(rc, errno);
assert_int_equal(addr.sa_socklen, sizeof(struct sockaddr_in6));
assert_in_range(ntohs(addr.sa.in6.sin6_port), 1024, 65535);
s2 = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
assert_return_code(s2, errno);
rc = connect(s2, &addr.sa.s, addr.sa_socklen);
assert_return_code(rc, errno);
close(s1);
close(s2);
}
#endif /* HAVE_IPV6 */
int main(void) {
int rc;
const struct CMUnitTest tcp_listen_tests[] = {
cmocka_unit_test(test_listen_unbound_ipv4),
#ifdef HAVE_IPV6
cmocka_unit_test(test_listen_unbound_ipv6),
#endif /* HAVE_IPV6 */
};
rc = cmocka_run_group_tests(tcp_listen_tests, setup, teardown);
return rc;
}
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