| /* |
| * (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; |
| } |