/* * (C) 2017 by Harald Welte * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #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; }