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/*
* (C) 2017 by Harald Welte <laforge@gnumonks.org>
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <inttypes.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <osmocom/core/application.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/socket.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/bits.h>
#include "config.h"
void *ctx = NULL;
#ifdef HAVE_LIBSCTP
static uint16_t sock_get_local_port(int fd, bool is_v6) {
struct sockaddr_storage sa;
struct sockaddr_in *sin = (struct sockaddr_in *)&sa;
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&sa;
socklen_t len = sizeof(sa);
int local_port;
OSMO_ASSERT(getsockname(fd, (struct sockaddr*)&sa, &len) == 0);
if(!is_v6)
local_port = osmo_load16be(&sin->sin_port);
else
local_port = osmo_load16be(&sin6->sin6_port);
//printf("Checking osmo_sock_init2_multiaddr() port: %" PRIu16 "\n", listen_port_v4);
return local_port;
}
/* Test API osmo_sock_init2_multiaddr with 1 local/remote address */
static int test_sockinit2_multiaddr(const char **addrv4_loc, const char **addrv6_loc,
const char **addrv4_rem, const char **addrv6_rem,
size_t addrv4_size, size_t addrv6_size)
{
int fd, rc;
int listen_fd_v4, listen_fd_v6;
int listen_port_v4, listen_port_v6;
printf("Checking osmo_sock_init2_multiaddr() with bind to a random local SCTP IPv4 port\n");
listen_fd_v4 = osmo_sock_init2_multiaddr(AF_INET, SOCK_STREAM, IPPROTO_SCTP,
addrv4_loc, addrv4_size, 0,
NULL, 0, 0, OSMO_SOCK_F_BIND);
OSMO_ASSERT(listen_fd_v4 >= 0);
/* expect it to be blocking */
rc = fcntl(listen_fd_v4, F_GETFL);
OSMO_ASSERT(!(rc & O_NONBLOCK));
listen_port_v4 = sock_get_local_port(listen_fd_v4, false);
printf("Checking osmo_sock_init2_multiaddr() with bind to a random local SCTP IPv6 port\n");
listen_fd_v6 = osmo_sock_init2_multiaddr(AF_INET6, SOCK_STREAM, IPPROTO_SCTP,
addrv6_loc, addrv6_size, 0,
NULL, 0, 0, OSMO_SOCK_F_BIND);
OSMO_ASSERT(listen_fd_v6 >= 0);
/* expect it to be blocking */
rc = fcntl(listen_fd_v6, F_GETFL);
OSMO_ASSERT(!(rc & O_NONBLOCK));
listen_port_v6 = sock_get_local_port(listen_fd_v6, true);
printf("Checking osmo_sock_init2_multiaddr() for OSMO_SOCK_F_NONBLOCK\n");
fd = osmo_sock_init2_multiaddr(AF_INET, SOCK_STREAM, IPPROTO_SCTP,
addrv4_loc, addrv4_size, 0,
NULL, 0, 0, OSMO_SOCK_F_BIND|OSMO_SOCK_F_NONBLOCK);
OSMO_ASSERT(fd >= 0);
/* expect it to be blocking */
rc = fcntl(fd, F_GETFL);
OSMO_ASSERT(rc & O_NONBLOCK);
close(fd);
printf("Checking osmo_sock_init2_multiaddr() for invalid flags\n");
fd = osmo_sock_init2_multiaddr(AF_INET, SOCK_STREAM, IPPROTO_SCTP,
addrv4_loc, addrv4_size, 0,
NULL, 0, 0, 0);
OSMO_ASSERT(fd < 0);
printf("Checking osmo_sock_init2_multiaddr() for combined BIND + CONNECT\n");
fd = osmo_sock_init2_multiaddr(AF_INET, SOCK_STREAM, IPPROTO_SCTP,
addrv4_rem, addrv4_size, 0,
addrv4_rem, addrv4_size, listen_port_v4,
OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
OSMO_ASSERT(fd >= 0);
close(fd);
printf("Checking osmo_sock_init2_multiaddr(AF_UNSPEC) must fail on mixed IPv4 & IPv6\n");
fd = osmo_sock_init2_multiaddr(AF_UNSPEC, SOCK_STREAM, IPPROTO_SCTP,
addrv4_rem, addrv4_size, 0,
addrv6_rem, addrv6_size, listen_port_v6,
OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
OSMO_ASSERT(fd < 0);
printf("Checking osmo_sock_init2_multiaddr(AF_UNSPEC) must fail on mixed IPv6 & IPv4\n");
fd = osmo_sock_init2_multiaddr(AF_UNSPEC, SOCK_STREAM, IPPROTO_SCTP,
addrv6_rem, addrv6_size, 0,
addrv4_rem, addrv4_size, listen_port_v4,
OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
OSMO_ASSERT(fd < 0);
printf("Checking osmo_sock_init2_multiaddr(AF_UNSPEC) BIND + CONNECT on IPv4\n");
fd = osmo_sock_init2_multiaddr(AF_UNSPEC, SOCK_STREAM, IPPROTO_SCTP,
addrv4_rem, addrv4_size, 0,
addrv4_rem, addrv4_size, listen_port_v4,
OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
OSMO_ASSERT(fd >= 0);
close(fd);
printf("Checking osmo_sock_init2_multiaddr(AF_UNSPEC) BIND + CONNECT on IPv6\n");
fd = osmo_sock_init2_multiaddr(AF_UNSPEC, SOCK_STREAM, IPPROTO_SCTP,
addrv6_rem, addrv6_size, 0,
addrv6_rem, addrv6_size, listen_port_v6,
OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
OSMO_ASSERT(fd >= 0);
close(fd);
close(listen_fd_v4);
close(listen_fd_v6);
printf("Done\n");
return 0;
}
/* Test API osmo_sock_init2_multiaddr with 1 local/remote address */
static int test_sockinit2_multiaddr_simple(void)
{
const char *addrv4_loc[] = { "0.0.0.0" };
const char *addrv6_loc[] = { "::" };
const char *addrv4_rem[] = { "127.0.0.1" };
const char *addrv6_rem[] = { "::1" };
return test_sockinit2_multiaddr(addrv4_loc, addrv6_loc,
addrv4_rem, addrv6_rem, 1, 1);
}
/* Test API osmo_sock_init2_multiaddr with several local/remote address */
static int test_sockinit2_multiaddr_several(void)
{
const char *addrv4_localhost[] = { "127.0.0.1", "127.0.0.2" };
const char *addrv6_localhost[] = { "::1" };
return test_sockinit2_multiaddr(addrv4_localhost, addrv6_localhost,
addrv4_localhost, addrv6_localhost, 2, 1);
}
/* Test API osmo_sock_init2_multiaddr with several local/remote address, using both ipv4+v6 */
static int test_sockinit2_multiaddr_mixed(void)
{
const char *addr_localhost[] = { "127.0.0.1", "127.0.0.2", "::1" };
size_t addr_size = ARRAY_SIZE(addr_localhost);
int listen_fd, listen_port, fd;
printf("Checking osmo_sock_init2_multiaddr(AF_UNSPEC) BIND on AF_INET IPv4+v6 fails\n");
listen_fd = osmo_sock_init2_multiaddr(AF_INET, SOCK_STREAM, IPPROTO_SCTP,
addr_localhost, addr_size, 0,
NULL, 0, 0, OSMO_SOCK_F_BIND);
OSMO_ASSERT(listen_fd < 0);
printf("Checking osmo_sock_init2_multiaddr(AF_UNSPEC) BIND on AF_INET6 IPv4+v6 fails\n");
listen_fd = osmo_sock_init2_multiaddr(AF_INET6, SOCK_STREAM, IPPROTO_SCTP,
addr_localhost, addr_size, 0,
NULL, 0, 0, OSMO_SOCK_F_BIND);
OSMO_ASSERT(listen_fd < 0);
printf("Checking osmo_sock_init2_multiaddr(AF_UNSPEC) BIND on AF_UNSPEC IPv4+v6 succeeds\n");
listen_fd = osmo_sock_init2_multiaddr(AF_UNSPEC, SOCK_STREAM, IPPROTO_SCTP,
addr_localhost, addr_size, 0,
NULL, 0, 0, OSMO_SOCK_F_BIND);
OSMO_ASSERT(listen_fd >= 0);
listen_port = sock_get_local_port(listen_fd, true);
printf("Checking osmo_sock_init2_multiaddr(AF_UNSPEC) BIND + CONNECT on IPv4\n");
fd = osmo_sock_init2_multiaddr(AF_UNSPEC, SOCK_STREAM, IPPROTO_SCTP,
addr_localhost, addr_size, 0,
addr_localhost, addr_size, listen_port,
OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
OSMO_ASSERT(fd >= 0);
close(fd);
close(listen_fd);
return 0;
}
#endif /* ifdef HAVE_LIBSCTP */
const struct log_info_cat default_categories[] = {
};
static struct log_info info = {
.cat = default_categories,
.num_cat = ARRAY_SIZE(default_categories),
};
int main(int argc, char *argv[])
{
ctx = talloc_named_const(NULL, 0, "socket_test_sctp");
osmo_init_logging2(ctx, &info);
log_set_use_color(osmo_stderr_target, 0);
log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE);
log_set_print_category(osmo_stderr_target, 0);
log_set_print_category_hex(osmo_stderr_target, 0);
#ifdef HAVE_LIBSCTP
test_sockinit2_multiaddr_simple();
test_sockinit2_multiaddr_several();
test_sockinit2_multiaddr_mixed();
#endif /* ifdef HAVE_LIBSCTP */
return EXIT_SUCCESS;
}
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