Benny Prijono | ff1df04 | 2008-06-06 14:47:10 +0000 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2003-2007 Benny Prijono <benny@prijono.org> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | #include "test.h" |
| 20 | |
| 21 | #define THIS_FILE "stun_sock_test.c" |
| 22 | |
| 23 | enum { |
| 24 | RESPOND_STUN = 1, |
| 25 | WITH_MAPPED = 2, |
| 26 | WITH_XOR_MAPPED = 4, |
| 27 | |
| 28 | ECHO = 8 |
| 29 | }; |
| 30 | |
| 31 | /* |
| 32 | * Simple STUN server |
| 33 | */ |
| 34 | struct stun_srv |
| 35 | { |
| 36 | pj_activesock_t *asock; |
| 37 | unsigned flag; |
| 38 | pj_sockaddr addr; |
| 39 | unsigned rx_cnt; |
| 40 | pj_ioqueue_op_key_t send_key; |
| 41 | pj_str_t ip_to_send; |
| 42 | pj_uint16_t port_to_send; |
| 43 | }; |
| 44 | |
| 45 | static pj_bool_t srv_on_data_recvfrom(pj_activesock_t *asock, |
| 46 | void *data, |
| 47 | pj_size_t size, |
| 48 | const pj_sockaddr_t *src_addr, |
| 49 | int addr_len, |
| 50 | pj_status_t status) |
| 51 | { |
| 52 | struct stun_srv *srv; |
| 53 | pj_ssize_t sent; |
| 54 | |
Benny Prijono | 89ac2b4 | 2008-06-13 12:52:56 +0000 | [diff] [blame^] | 55 | srv = (struct stun_srv*) pj_activesock_get_user_data(asock); |
Benny Prijono | ff1df04 | 2008-06-06 14:47:10 +0000 | [diff] [blame] | 56 | |
| 57 | /* Ignore error */ |
| 58 | if (status != PJ_SUCCESS) |
| 59 | return PJ_TRUE; |
| 60 | |
| 61 | ++srv->rx_cnt; |
| 62 | |
| 63 | /* Ignore if we're not responding */ |
| 64 | if (srv->flag & RESPOND_STUN) { |
| 65 | pj_pool_t *pool; |
| 66 | pj_stun_msg *req_msg, *res_msg; |
| 67 | |
| 68 | pool = pj_pool_create(mem, "stunsrv", 512, 512, NULL); |
| 69 | |
| 70 | /* Parse request */ |
| 71 | status = pj_stun_msg_decode(pool, (pj_uint8_t*)data, size, |
| 72 | PJ_STUN_IS_DATAGRAM | PJ_STUN_CHECK_PACKET, |
| 73 | &req_msg, NULL, NULL); |
| 74 | if (status != PJ_SUCCESS) { |
| 75 | app_perror(" pj_stun_msg_decode()", status); |
| 76 | pj_pool_release(pool); |
| 77 | return PJ_TRUE; |
| 78 | } |
| 79 | |
| 80 | /* Create response */ |
| 81 | status = pj_stun_msg_create(pool, PJ_STUN_BINDING_RESPONSE, PJ_STUN_MAGIC, |
| 82 | req_msg->hdr.tsx_id, &res_msg); |
| 83 | if (status != PJ_SUCCESS) { |
| 84 | app_perror(" pj_stun_msg_create()", status); |
| 85 | pj_pool_release(pool); |
| 86 | return PJ_TRUE; |
| 87 | } |
| 88 | |
| 89 | /* Add MAPPED-ADDRESS or XOR-MAPPED-ADDRESS (or don't add) */ |
| 90 | if (srv->flag & WITH_MAPPED) { |
| 91 | pj_sockaddr_in addr; |
| 92 | |
| 93 | pj_sockaddr_in_init(&addr, &srv->ip_to_send, srv->port_to_send); |
| 94 | pj_stun_msg_add_sockaddr_attr(pool, res_msg, PJ_STUN_ATTR_MAPPED_ADDR, |
| 95 | PJ_FALSE, &addr, sizeof(addr)); |
| 96 | } else if (srv->flag & WITH_XOR_MAPPED) { |
| 97 | pj_sockaddr_in addr; |
| 98 | |
| 99 | pj_sockaddr_in_init(&addr, &srv->ip_to_send, srv->port_to_send); |
| 100 | pj_stun_msg_add_sockaddr_attr(pool, res_msg, |
| 101 | PJ_STUN_ATTR_XOR_MAPPED_ADDR, |
| 102 | PJ_TRUE, &addr, sizeof(addr)); |
| 103 | } |
| 104 | |
| 105 | /* Encode */ |
| 106 | status = pj_stun_msg_encode(res_msg, (pj_uint8_t*)data, 100, 0, |
| 107 | NULL, &size); |
| 108 | if (status != PJ_SUCCESS) { |
| 109 | app_perror(" pj_stun_msg_encode()", status); |
| 110 | pj_pool_release(pool); |
| 111 | return PJ_TRUE; |
| 112 | } |
| 113 | |
| 114 | /* Send back */ |
| 115 | sent = size; |
| 116 | pj_activesock_sendto(asock, &srv->send_key, data, &sent, 0, |
| 117 | src_addr, addr_len); |
| 118 | |
| 119 | pj_pool_release(pool); |
| 120 | |
| 121 | } else if (srv->flag & ECHO) { |
| 122 | /* Send back */ |
| 123 | sent = size; |
| 124 | pj_activesock_sendto(asock, &srv->send_key, data, &sent, 0, |
| 125 | src_addr, addr_len); |
| 126 | |
| 127 | } |
| 128 | |
| 129 | return PJ_TRUE; |
| 130 | } |
| 131 | |
| 132 | static pj_status_t create_server(pj_pool_t *pool, |
| 133 | pj_ioqueue_t *ioqueue, |
| 134 | unsigned flag, |
| 135 | struct stun_srv **p_srv) |
| 136 | { |
| 137 | struct stun_srv *srv; |
| 138 | pj_activesock_cb activesock_cb; |
| 139 | pj_status_t status; |
| 140 | |
| 141 | srv = PJ_POOL_ZALLOC_T(pool, struct stun_srv); |
| 142 | srv->flag = flag; |
| 143 | srv->ip_to_send = pj_str("1.1.1.1"); |
| 144 | srv->port_to_send = 1000; |
| 145 | |
| 146 | status = pj_sockaddr_in_init(&srv->addr.ipv4, NULL, 0); |
| 147 | if (status != PJ_SUCCESS) |
| 148 | return status; |
| 149 | |
| 150 | pj_bzero(&activesock_cb, sizeof(activesock_cb)); |
| 151 | activesock_cb.on_data_recvfrom = &srv_on_data_recvfrom; |
| 152 | status = pj_activesock_create_udp(pool, &srv->addr, NULL, ioqueue, |
| 153 | &activesock_cb, srv, &srv->asock, |
| 154 | &srv->addr); |
| 155 | if (status != PJ_SUCCESS) |
| 156 | return status; |
| 157 | |
| 158 | pj_ioqueue_op_key_init(&srv->send_key, sizeof(srv->send_key)); |
| 159 | |
| 160 | status = pj_activesock_start_recvfrom(srv->asock, pool, 512, 0); |
| 161 | if (status != PJ_SUCCESS) { |
| 162 | pj_activesock_close(srv->asock); |
| 163 | return status; |
| 164 | } |
| 165 | |
| 166 | *p_srv = srv; |
| 167 | return PJ_SUCCESS; |
| 168 | } |
| 169 | |
| 170 | static void destroy_server(struct stun_srv *srv) |
| 171 | { |
| 172 | pj_activesock_close(srv->asock); |
| 173 | } |
| 174 | |
| 175 | |
| 176 | struct stun_client |
| 177 | { |
| 178 | pj_pool_t *pool; |
| 179 | pj_stun_sock *sock; |
| 180 | |
| 181 | pj_ioqueue_op_key_t send_key; |
| 182 | pj_bool_t destroy_on_err; |
| 183 | |
| 184 | unsigned on_status_cnt; |
| 185 | pj_stun_sock_op last_op; |
| 186 | pj_status_t last_status; |
| 187 | |
| 188 | unsigned on_rx_data_cnt; |
| 189 | }; |
| 190 | |
| 191 | static pj_bool_t stun_sock_on_status(pj_stun_sock *stun_sock, |
| 192 | pj_stun_sock_op op, |
| 193 | pj_status_t status) |
| 194 | { |
| 195 | struct stun_client *client; |
| 196 | |
Benny Prijono | 89ac2b4 | 2008-06-13 12:52:56 +0000 | [diff] [blame^] | 197 | client = (struct stun_client*) pj_stun_sock_get_user_data(stun_sock); |
Benny Prijono | ff1df04 | 2008-06-06 14:47:10 +0000 | [diff] [blame] | 198 | client->on_status_cnt++; |
| 199 | client->last_op = op; |
| 200 | client->last_status = status; |
| 201 | |
| 202 | if (status != PJ_SUCCESS && client->destroy_on_err) { |
| 203 | pj_stun_sock_destroy(client->sock); |
| 204 | client->sock = NULL; |
| 205 | return PJ_FALSE; |
| 206 | } |
| 207 | |
| 208 | return PJ_TRUE; |
| 209 | } |
| 210 | |
| 211 | static pj_bool_t stun_sock_on_rx_data(pj_stun_sock *stun_sock, |
| 212 | void *pkt, |
| 213 | unsigned pkt_len, |
| 214 | const pj_sockaddr_t *src_addr, |
| 215 | unsigned addr_len) |
| 216 | { |
| 217 | struct stun_client *client; |
| 218 | |
| 219 | PJ_UNUSED_ARG(pkt); |
| 220 | PJ_UNUSED_ARG(pkt_len); |
| 221 | PJ_UNUSED_ARG(src_addr); |
| 222 | PJ_UNUSED_ARG(addr_len); |
| 223 | |
Benny Prijono | 89ac2b4 | 2008-06-13 12:52:56 +0000 | [diff] [blame^] | 224 | client = (struct stun_client*) pj_stun_sock_get_user_data(stun_sock); |
Benny Prijono | ff1df04 | 2008-06-06 14:47:10 +0000 | [diff] [blame] | 225 | client->on_rx_data_cnt++; |
| 226 | |
| 227 | return PJ_TRUE; |
| 228 | } |
| 229 | |
| 230 | static pj_status_t create_client(pj_stun_config *cfg, |
| 231 | struct stun_client **p_client, |
| 232 | pj_bool_t destroy_on_err) |
| 233 | { |
| 234 | pj_pool_t *pool; |
| 235 | struct stun_client *client; |
| 236 | pj_stun_sock_cfg sock_cfg; |
| 237 | pj_stun_sock_cb cb; |
| 238 | pj_status_t status; |
| 239 | |
| 240 | pool = pj_pool_create(mem, "test", 512, 512, NULL); |
| 241 | client = PJ_POOL_ZALLOC_T(pool, struct stun_client); |
| 242 | client->pool = pool; |
| 243 | |
| 244 | pj_stun_sock_cfg_default(&sock_cfg); |
| 245 | |
| 246 | pj_bzero(&cb, sizeof(cb)); |
| 247 | cb.on_status = &stun_sock_on_status; |
| 248 | cb.on_rx_data = &stun_sock_on_rx_data; |
| 249 | status = pj_stun_sock_create(cfg, NULL, pj_AF_INET(), &cb, |
| 250 | &sock_cfg, client, &client->sock); |
| 251 | if (status != PJ_SUCCESS) { |
| 252 | app_perror(" pj_stun_sock_create()", status); |
| 253 | pj_pool_release(pool); |
| 254 | return status; |
| 255 | } |
| 256 | |
| 257 | pj_stun_sock_set_user_data(client->sock, client); |
| 258 | |
| 259 | pj_ioqueue_op_key_init(&client->send_key, sizeof(client->send_key)); |
| 260 | |
| 261 | client->destroy_on_err = destroy_on_err; |
| 262 | |
| 263 | *p_client = client; |
| 264 | |
| 265 | return PJ_SUCCESS; |
| 266 | } |
| 267 | |
| 268 | |
| 269 | static void destroy_client(struct stun_client *client) |
| 270 | { |
| 271 | if (client->sock) { |
| 272 | pj_stun_sock_destroy(client->sock); |
| 273 | client->sock = NULL; |
| 274 | } |
| 275 | pj_pool_release(client->pool); |
| 276 | } |
| 277 | |
| 278 | static void handle_events(pj_stun_config *cfg, unsigned msec_delay) |
| 279 | { |
| 280 | pj_time_val delay; |
| 281 | |
| 282 | pj_timer_heap_poll(cfg->timer_heap, NULL); |
| 283 | |
| 284 | delay.sec = 0; |
| 285 | delay.msec = msec_delay; |
| 286 | pj_time_val_normalize(&delay); |
| 287 | |
| 288 | pj_ioqueue_poll(cfg->ioqueue, &delay); |
| 289 | } |
| 290 | |
| 291 | /* |
| 292 | * Timeout test: scenario when no response is received from server |
| 293 | */ |
| 294 | static int timeout_test(pj_stun_config *cfg, pj_bool_t destroy_on_err) |
| 295 | { |
| 296 | struct stun_srv *srv; |
| 297 | struct stun_client *client; |
| 298 | pj_str_t srv_addr; |
| 299 | pj_time_val timeout, t; |
| 300 | int ret = 0; |
| 301 | pj_status_t status; |
| 302 | |
| 303 | PJ_LOG(3,(THIS_FILE, " timeout test [%d]", destroy_on_err)); |
| 304 | |
| 305 | status = create_client(cfg, &client, destroy_on_err); |
| 306 | if (status != PJ_SUCCESS) |
| 307 | return -10; |
| 308 | |
| 309 | status = create_server(client->pool, cfg->ioqueue, 0, &srv); |
| 310 | if (status != PJ_SUCCESS) { |
| 311 | destroy_client(client); |
| 312 | return -20; |
| 313 | } |
| 314 | |
| 315 | srv_addr = pj_str("127.0.0.1"); |
| 316 | status = pj_stun_sock_start(client->sock, &srv_addr, |
| 317 | pj_ntohs(srv->addr.ipv4.sin_port), NULL); |
| 318 | if (status != PJ_SUCCESS) { |
| 319 | destroy_server(srv); |
| 320 | destroy_client(client); |
| 321 | return -30; |
| 322 | } |
| 323 | |
| 324 | /* Wait until on_status() callback is called with the failure */ |
| 325 | pj_gettimeofday(&timeout); |
| 326 | timeout.sec += 60; |
| 327 | do { |
| 328 | handle_events(cfg, 100); |
| 329 | pj_gettimeofday(&t); |
| 330 | } while (client->on_status_cnt==0 && PJ_TIME_VAL_LT(t, timeout)); |
| 331 | |
| 332 | /* Check that callback with correct operation is called */ |
| 333 | if (client->last_op != PJ_STUN_SOCK_BINDING_OP) { |
| 334 | PJ_LOG(3,(THIS_FILE, " error: expecting Binding operation status")); |
| 335 | ret = -40; |
| 336 | goto on_return; |
| 337 | } |
| 338 | /* .. and with the correct status */ |
| 339 | if (client->last_status != PJNATH_ESTUNTIMEDOUT) { |
| 340 | PJ_LOG(3,(THIS_FILE, " error: expecting PJNATH_ESTUNTIMEDOUT")); |
| 341 | ret = -50; |
| 342 | goto on_return; |
| 343 | } |
| 344 | /* Check that server received correct retransmissions */ |
| 345 | if (srv->rx_cnt != PJ_STUN_MAX_TRANSMIT_COUNT) { |
| 346 | PJ_LOG(3,(THIS_FILE, " error: expecting %d retransmissions, got %d", |
| 347 | PJ_STUN_MAX_TRANSMIT_COUNT, srv->rx_cnt)); |
| 348 | ret = -60; |
| 349 | goto on_return; |
| 350 | } |
| 351 | /* Check that client doesn't receive anything */ |
| 352 | if (client->on_rx_data_cnt != 0) { |
| 353 | PJ_LOG(3,(THIS_FILE, " error: client shouldn't have received anything")); |
| 354 | ret = -70; |
| 355 | goto on_return; |
| 356 | } |
| 357 | |
| 358 | on_return: |
| 359 | destroy_server(srv); |
| 360 | destroy_client(client); |
| 361 | return ret; |
| 362 | } |
| 363 | |
| 364 | |
| 365 | /* |
| 366 | * Invalid response scenario: when server returns no MAPPED-ADDRESS or |
| 367 | * XOR-MAPPED-ADDRESS attribute. |
| 368 | */ |
| 369 | static int missing_attr_test(pj_stun_config *cfg, pj_bool_t destroy_on_err) |
| 370 | { |
| 371 | struct stun_srv *srv; |
| 372 | struct stun_client *client; |
| 373 | pj_str_t srv_addr; |
| 374 | pj_time_val timeout, t; |
| 375 | int ret = 0; |
| 376 | pj_status_t status; |
| 377 | |
| 378 | PJ_LOG(3,(THIS_FILE, " missing attribute test [%d]", destroy_on_err)); |
| 379 | |
| 380 | status = create_client(cfg, &client, destroy_on_err); |
| 381 | if (status != PJ_SUCCESS) |
| 382 | return -110; |
| 383 | |
| 384 | status = create_server(client->pool, cfg->ioqueue, RESPOND_STUN, &srv); |
| 385 | if (status != PJ_SUCCESS) { |
| 386 | destroy_client(client); |
| 387 | return -120; |
| 388 | } |
| 389 | |
| 390 | srv_addr = pj_str("127.0.0.1"); |
| 391 | status = pj_stun_sock_start(client->sock, &srv_addr, |
| 392 | pj_ntohs(srv->addr.ipv4.sin_port), NULL); |
| 393 | if (status != PJ_SUCCESS) { |
| 394 | destroy_server(srv); |
| 395 | destroy_client(client); |
| 396 | return -130; |
| 397 | } |
| 398 | |
| 399 | /* Wait until on_status() callback is called with the failure */ |
| 400 | pj_gettimeofday(&timeout); |
| 401 | timeout.sec += 60; |
| 402 | do { |
| 403 | handle_events(cfg, 100); |
| 404 | pj_gettimeofday(&t); |
| 405 | } while (client->on_status_cnt==0 && PJ_TIME_VAL_LT(t, timeout)); |
| 406 | |
| 407 | /* Check that callback with correct operation is called */ |
| 408 | if (client->last_op != PJ_STUN_SOCK_BINDING_OP) { |
| 409 | PJ_LOG(3,(THIS_FILE, " error: expecting Binding operation status")); |
| 410 | ret = -140; |
| 411 | goto on_return; |
| 412 | } |
| 413 | if (client->last_status != PJNATH_ESTUNNOMAPPEDADDR) { |
| 414 | PJ_LOG(3,(THIS_FILE, " error: expecting PJNATH_ESTUNNOMAPPEDADDR")); |
| 415 | ret = -150; |
| 416 | goto on_return; |
| 417 | } |
| 418 | /* Check that client doesn't receive anything */ |
| 419 | if (client->on_rx_data_cnt != 0) { |
| 420 | PJ_LOG(3,(THIS_FILE, " error: client shouldn't have received anything")); |
| 421 | ret = -170; |
| 422 | goto on_return; |
| 423 | } |
| 424 | |
| 425 | on_return: |
| 426 | destroy_server(srv); |
| 427 | destroy_client(client); |
| 428 | return ret; |
| 429 | } |
| 430 | |
| 431 | /* |
| 432 | * Keep-alive test. |
| 433 | */ |
| 434 | static int keep_alive_test(pj_stun_config *cfg) |
| 435 | { |
| 436 | struct stun_srv *srv; |
| 437 | struct stun_client *client; |
| 438 | pj_sockaddr_in mapped_addr; |
| 439 | pj_stun_sock_info info; |
| 440 | pj_str_t srv_addr; |
| 441 | pj_time_val timeout, t; |
| 442 | int ret = 0; |
| 443 | pj_status_t status; |
| 444 | |
| 445 | PJ_LOG(3,(THIS_FILE, " normal operation")); |
| 446 | |
| 447 | status = create_client(cfg, &client, PJ_TRUE); |
| 448 | if (status != PJ_SUCCESS) |
| 449 | return -310; |
| 450 | |
| 451 | status = create_server(client->pool, cfg->ioqueue, RESPOND_STUN|WITH_XOR_MAPPED, &srv); |
| 452 | if (status != PJ_SUCCESS) { |
| 453 | destroy_client(client); |
| 454 | return -320; |
| 455 | } |
| 456 | |
| 457 | /* |
| 458 | * Part 1: initial Binding resolution. |
| 459 | */ |
| 460 | PJ_LOG(3,(THIS_FILE, " initial Binding request")); |
| 461 | srv_addr = pj_str("127.0.0.1"); |
| 462 | status = pj_stun_sock_start(client->sock, &srv_addr, |
| 463 | pj_ntohs(srv->addr.ipv4.sin_port), NULL); |
| 464 | if (status != PJ_SUCCESS) { |
| 465 | destroy_server(srv); |
| 466 | destroy_client(client); |
| 467 | return -330; |
| 468 | } |
| 469 | |
| 470 | /* Wait until on_status() callback is called with success status */ |
| 471 | pj_gettimeofday(&timeout); |
| 472 | timeout.sec += 60; |
| 473 | do { |
| 474 | handle_events(cfg, 100); |
| 475 | pj_gettimeofday(&t); |
| 476 | } while (client->on_status_cnt==0 && PJ_TIME_VAL_LT(t, timeout)); |
| 477 | |
| 478 | /* Check that callback with correct operation is called */ |
| 479 | if (client->last_op != PJ_STUN_SOCK_BINDING_OP) { |
| 480 | PJ_LOG(3,(THIS_FILE, " error: expecting Binding operation status")); |
| 481 | ret = -340; |
| 482 | goto on_return; |
| 483 | } |
| 484 | if (client->last_status != PJ_SUCCESS) { |
| 485 | PJ_LOG(3,(THIS_FILE, " error: expecting PJ_SUCCESS status")); |
| 486 | ret = -350; |
| 487 | goto on_return; |
| 488 | } |
| 489 | /* Check that client doesn't receive anything */ |
| 490 | if (client->on_rx_data_cnt != 0) { |
| 491 | PJ_LOG(3,(THIS_FILE, " error: client shouldn't have received anything")); |
| 492 | ret = -370; |
| 493 | goto on_return; |
| 494 | } |
| 495 | |
| 496 | /* Get info */ |
| 497 | pj_bzero(&info, sizeof(info)); |
| 498 | pj_stun_sock_get_info(client->sock, &info); |
| 499 | |
| 500 | /* Check that we have server address */ |
| 501 | if (!pj_sockaddr_has_addr(&info.srv_addr)) { |
| 502 | PJ_LOG(3,(THIS_FILE, " error: missing server address")); |
| 503 | ret = -380; |
| 504 | goto on_return; |
| 505 | } |
| 506 | /* .. and bound address port must not be zero */ |
| 507 | if (pj_sockaddr_get_port(&info.bound_addr)==0) { |
| 508 | PJ_LOG(3,(THIS_FILE, " error: bound address is zero")); |
| 509 | ret = -381; |
| 510 | goto on_return; |
| 511 | } |
| 512 | /* .. and mapped address */ |
| 513 | if (!pj_sockaddr_has_addr(&info.mapped_addr)) { |
| 514 | PJ_LOG(3,(THIS_FILE, " error: missing mapped address")); |
| 515 | ret = -382; |
| 516 | goto on_return; |
| 517 | } |
| 518 | /* verify the mapped address */ |
| 519 | pj_sockaddr_in_init(&mapped_addr, &srv->ip_to_send, srv->port_to_send); |
| 520 | if (pj_sockaddr_cmp(&info.mapped_addr, &mapped_addr) != 0) { |
| 521 | PJ_LOG(3,(THIS_FILE, " error: mapped address mismatched")); |
| 522 | ret = -383; |
| 523 | goto on_return; |
| 524 | } |
| 525 | |
| 526 | /* .. and at least one alias */ |
| 527 | if (info.alias_cnt == 0) { |
| 528 | PJ_LOG(3,(THIS_FILE, " error: must have at least one alias")); |
| 529 | ret = -384; |
| 530 | goto on_return; |
| 531 | } |
| 532 | if (!pj_sockaddr_has_addr(&info.aliases[0])) { |
| 533 | PJ_LOG(3,(THIS_FILE, " error: missing alias")); |
| 534 | ret = -386; |
| 535 | goto on_return; |
| 536 | } |
| 537 | |
| 538 | |
| 539 | /* |
| 540 | * Part 2: sending and receiving data |
| 541 | */ |
| 542 | PJ_LOG(3,(THIS_FILE, " sending/receiving data")); |
| 543 | |
| 544 | /* Change server operation mode to echo back data */ |
| 545 | srv->flag = ECHO; |
| 546 | |
| 547 | /* Reset server */ |
| 548 | srv->rx_cnt = 0; |
| 549 | |
| 550 | /* Client sending data to echo server */ |
| 551 | { |
| 552 | char txt[100]; |
| 553 | PJ_LOG(3,(THIS_FILE, " sending to %s", pj_sockaddr_print(&info.srv_addr, txt, sizeof(txt), 3))); |
| 554 | } |
| 555 | status = pj_stun_sock_sendto(client->sock, NULL, &ret, sizeof(ret), |
| 556 | 0, &info.srv_addr, |
| 557 | pj_sockaddr_get_len(&info.srv_addr)); |
| 558 | if (status != PJ_SUCCESS && status != PJ_EPENDING) { |
| 559 | app_perror(" error: server sending data", status); |
| 560 | ret = -390; |
| 561 | goto on_return; |
| 562 | } |
| 563 | |
| 564 | /* Wait for a short period until client receives data. We can't wait for |
| 565 | * too long otherwise the keep-alive will kick in. |
| 566 | */ |
| 567 | pj_gettimeofday(&timeout); |
| 568 | timeout.sec += 1; |
| 569 | do { |
| 570 | handle_events(cfg, 100); |
| 571 | pj_gettimeofday(&t); |
| 572 | } while (client->on_rx_data_cnt==0 && PJ_TIME_VAL_LT(t, timeout)); |
| 573 | |
| 574 | /* Check that data is received in server */ |
| 575 | if (srv->rx_cnt == 0) { |
| 576 | PJ_LOG(3,(THIS_FILE, " error: server didn't receive data")); |
| 577 | ret = -395; |
| 578 | goto on_return; |
| 579 | } |
| 580 | |
| 581 | /* Check that status is still OK */ |
| 582 | if (client->last_status != PJ_SUCCESS) { |
| 583 | app_perror(" error: client has failed", client->last_status); |
| 584 | ret = -400; |
| 585 | goto on_return; |
| 586 | } |
| 587 | /* Check that data has been received */ |
| 588 | if (client->on_rx_data_cnt == 0) { |
| 589 | PJ_LOG(3,(THIS_FILE, " error: client doesn't receive data")); |
| 590 | ret = -410; |
| 591 | goto on_return; |
| 592 | } |
| 593 | |
| 594 | /* |
| 595 | * Part 3: Successful keep-alive, |
| 596 | */ |
| 597 | PJ_LOG(3,(THIS_FILE, " successful keep-alive scenario")); |
| 598 | |
| 599 | /* Change server operation mode to normal mode */ |
| 600 | srv->flag = RESPOND_STUN | WITH_XOR_MAPPED; |
| 601 | |
| 602 | /* Reset server */ |
| 603 | srv->rx_cnt = 0; |
| 604 | |
| 605 | /* Reset client */ |
| 606 | client->on_status_cnt = 0; |
| 607 | client->last_status = PJ_SUCCESS; |
| 608 | client->on_rx_data_cnt = 0; |
| 609 | |
| 610 | /* Wait for keep-alive duration to see if client actually sends the |
| 611 | * keep-alive. |
| 612 | */ |
| 613 | pj_gettimeofday(&timeout); |
| 614 | timeout.sec += (PJ_STUN_KEEP_ALIVE_SEC + 1); |
| 615 | do { |
| 616 | handle_events(cfg, 100); |
| 617 | pj_gettimeofday(&t); |
| 618 | } while (PJ_TIME_VAL_LT(t, timeout)); |
| 619 | |
| 620 | /* Check that server receives some packets */ |
| 621 | if (srv->rx_cnt == 0) { |
| 622 | PJ_LOG(3, (THIS_FILE, " error: no keep-alive was received")); |
| 623 | ret = -420; |
| 624 | goto on_return; |
| 625 | } |
| 626 | /* Check that client status is still okay and on_status() callback is NOT |
| 627 | * called |
| 628 | */ |
| 629 | if (client->on_status_cnt != 0) { |
| 630 | PJ_LOG(3, (THIS_FILE, " error: on_status() must not be called on successful" |
| 631 | "keep-alive when mapped-address does not change")); |
| 632 | ret = -430; |
| 633 | goto on_return; |
| 634 | } |
| 635 | /* Check that client doesn't receive anything */ |
| 636 | if (client->on_rx_data_cnt != 0) { |
| 637 | PJ_LOG(3,(THIS_FILE, " error: client shouldn't have received anything")); |
| 638 | ret = -440; |
| 639 | goto on_return; |
| 640 | } |
| 641 | |
| 642 | |
| 643 | /* |
| 644 | * Part 4: Successful keep-alive with IP address change |
| 645 | */ |
| 646 | PJ_LOG(3,(THIS_FILE, " mapped IP address change")); |
| 647 | |
| 648 | /* Change server operation mode to normal mode */ |
| 649 | srv->flag = RESPOND_STUN | WITH_XOR_MAPPED; |
| 650 | |
| 651 | /* Change mapped address in the response */ |
| 652 | srv->ip_to_send = pj_str("2.2.2.2"); |
| 653 | srv->port_to_send++; |
| 654 | |
| 655 | /* Reset server */ |
| 656 | srv->rx_cnt = 0; |
| 657 | |
| 658 | /* Reset client */ |
| 659 | client->on_status_cnt = 0; |
| 660 | client->last_status = PJ_SUCCESS; |
| 661 | client->on_rx_data_cnt = 0; |
| 662 | |
| 663 | /* Wait for keep-alive duration to see if client actually sends the |
| 664 | * keep-alive. |
| 665 | */ |
| 666 | pj_gettimeofday(&timeout); |
| 667 | timeout.sec += (PJ_STUN_KEEP_ALIVE_SEC + 1); |
| 668 | do { |
| 669 | handle_events(cfg, 100); |
| 670 | pj_gettimeofday(&t); |
| 671 | } while (PJ_TIME_VAL_LT(t, timeout)); |
| 672 | |
| 673 | /* Check that server receives some packets */ |
| 674 | if (srv->rx_cnt == 0) { |
| 675 | PJ_LOG(3, (THIS_FILE, " error: no keep-alive was received")); |
| 676 | ret = -450; |
| 677 | goto on_return; |
| 678 | } |
| 679 | /* Check that on_status() callback is called (because mapped address |
| 680 | * has changed) |
| 681 | */ |
| 682 | if (client->on_status_cnt != 1) { |
| 683 | PJ_LOG(3, (THIS_FILE, " error: on_status() was not called")); |
| 684 | ret = -460; |
| 685 | goto on_return; |
| 686 | } |
| 687 | /* Check that callback was called with correct operation */ |
| 688 | if (client->last_op != PJ_STUN_SOCK_KEEP_ALIVE_OP) { |
| 689 | PJ_LOG(3,(THIS_FILE, " error: expecting keep-alive operation status")); |
| 690 | ret = -470; |
| 691 | goto on_return; |
| 692 | } |
| 693 | /* Check that last status is still success */ |
| 694 | if (client->last_status != PJ_SUCCESS) { |
| 695 | PJ_LOG(3, (THIS_FILE, " error: expecting successful status")); |
| 696 | ret = -480; |
| 697 | goto on_return; |
| 698 | } |
| 699 | /* Check that client doesn't receive anything */ |
| 700 | if (client->on_rx_data_cnt != 0) { |
| 701 | PJ_LOG(3,(THIS_FILE, " error: client shouldn't have received anything")); |
| 702 | ret = -490; |
| 703 | goto on_return; |
| 704 | } |
| 705 | |
| 706 | /* Get info */ |
| 707 | pj_bzero(&info, sizeof(info)); |
| 708 | pj_stun_sock_get_info(client->sock, &info); |
| 709 | |
| 710 | /* Check that we have server address */ |
| 711 | if (!pj_sockaddr_has_addr(&info.srv_addr)) { |
| 712 | PJ_LOG(3,(THIS_FILE, " error: missing server address")); |
| 713 | ret = -500; |
| 714 | goto on_return; |
| 715 | } |
| 716 | /* .. and mapped address */ |
| 717 | if (!pj_sockaddr_has_addr(&info.mapped_addr)) { |
| 718 | PJ_LOG(3,(THIS_FILE, " error: missing mapped address")); |
| 719 | ret = -510; |
| 720 | goto on_return; |
| 721 | } |
| 722 | /* verify the mapped address */ |
| 723 | pj_sockaddr_in_init(&mapped_addr, &srv->ip_to_send, srv->port_to_send); |
| 724 | if (pj_sockaddr_cmp(&info.mapped_addr, &mapped_addr) != 0) { |
| 725 | PJ_LOG(3,(THIS_FILE, " error: mapped address mismatched")); |
| 726 | ret = -520; |
| 727 | goto on_return; |
| 728 | } |
| 729 | |
| 730 | /* .. and at least one alias */ |
| 731 | if (info.alias_cnt == 0) { |
| 732 | PJ_LOG(3,(THIS_FILE, " error: must have at least one alias")); |
| 733 | ret = -530; |
| 734 | goto on_return; |
| 735 | } |
| 736 | if (!pj_sockaddr_has_addr(&info.aliases[0])) { |
| 737 | PJ_LOG(3,(THIS_FILE, " error: missing alias")); |
| 738 | ret = -540; |
| 739 | goto on_return; |
| 740 | } |
| 741 | |
| 742 | |
| 743 | /* |
| 744 | * Part 5: Failed keep-alive |
| 745 | */ |
| 746 | PJ_LOG(3,(THIS_FILE, " failed keep-alive scenario")); |
| 747 | |
| 748 | /* Change server operation mode to respond without attribute */ |
| 749 | srv->flag = RESPOND_STUN; |
| 750 | |
| 751 | /* Reset server */ |
| 752 | srv->rx_cnt = 0; |
| 753 | |
| 754 | /* Reset client */ |
| 755 | client->on_status_cnt = 0; |
| 756 | client->last_status = PJ_SUCCESS; |
| 757 | client->on_rx_data_cnt = 0; |
| 758 | |
| 759 | /* Wait until on_status() is called with failure. */ |
| 760 | pj_gettimeofday(&timeout); |
| 761 | timeout.sec += (PJ_STUN_KEEP_ALIVE_SEC + PJ_STUN_TIMEOUT_VALUE + 5); |
| 762 | do { |
| 763 | handle_events(cfg, 100); |
| 764 | pj_gettimeofday(&t); |
| 765 | } while (client->on_status_cnt==0 && PJ_TIME_VAL_LT(t, timeout)); |
| 766 | |
| 767 | /* Check that callback with correct operation is called */ |
| 768 | if (client->last_op != PJ_STUN_SOCK_KEEP_ALIVE_OP) { |
| 769 | PJ_LOG(3,(THIS_FILE, " error: expecting keep-alive operation status")); |
| 770 | ret = -600; |
| 771 | goto on_return; |
| 772 | } |
| 773 | if (client->last_status == PJ_SUCCESS) { |
| 774 | PJ_LOG(3,(THIS_FILE, " error: expecting failed keep-alive")); |
| 775 | ret = -610; |
| 776 | goto on_return; |
| 777 | } |
| 778 | /* Check that client doesn't receive anything */ |
| 779 | if (client->on_rx_data_cnt != 0) { |
| 780 | PJ_LOG(3,(THIS_FILE, " error: client shouldn't have received anything")); |
| 781 | ret = -620; |
| 782 | goto on_return; |
| 783 | } |
| 784 | |
| 785 | |
| 786 | on_return: |
| 787 | destroy_server(srv); |
| 788 | destroy_client(client); |
| 789 | return ret; |
| 790 | } |
| 791 | |
| 792 | |
| 793 | #define DO_TEST(expr) \ |
| 794 | capture_pjlib_state(&stun_cfg, &pjlib_state); \ |
| 795 | ret = expr; \ |
| 796 | if (ret != 0) goto on_return; \ |
| 797 | ret = check_pjlib_state(&stun_cfg, &pjlib_state); \ |
| 798 | if (ret != 0) goto on_return; |
| 799 | |
| 800 | |
| 801 | int stun_sock_test(void) |
| 802 | { |
| 803 | struct pjlib_state pjlib_state; |
| 804 | pj_stun_config stun_cfg; |
| 805 | pj_ioqueue_t *ioqueue = NULL; |
| 806 | pj_timer_heap_t *timer_heap = NULL; |
| 807 | pj_pool_t *pool = NULL; |
| 808 | pj_status_t status; |
| 809 | int ret = 0; |
| 810 | |
| 811 | pool = pj_pool_create(mem, NULL, 512, 512, NULL); |
| 812 | |
| 813 | status = pj_ioqueue_create(pool, 12, &ioqueue); |
| 814 | if (status != PJ_SUCCESS) { |
| 815 | app_perror(" pj_ioqueue_create()", status); |
| 816 | ret = -4; |
| 817 | goto on_return; |
| 818 | } |
| 819 | |
| 820 | status = pj_timer_heap_create(pool, 100, &timer_heap); |
| 821 | if (status != PJ_SUCCESS) { |
| 822 | app_perror(" pj_timer_heap_create()", status); |
| 823 | ret = -8; |
| 824 | goto on_return; |
| 825 | } |
| 826 | |
| 827 | pj_stun_config_init(&stun_cfg, mem, 0, ioqueue, timer_heap); |
| 828 | |
| 829 | DO_TEST(timeout_test(&stun_cfg, PJ_FALSE)); |
| 830 | DO_TEST(timeout_test(&stun_cfg, PJ_TRUE)); |
| 831 | |
| 832 | DO_TEST(missing_attr_test(&stun_cfg, PJ_FALSE)); |
| 833 | DO_TEST(missing_attr_test(&stun_cfg, PJ_TRUE)); |
| 834 | |
| 835 | DO_TEST(keep_alive_test(&stun_cfg)); |
| 836 | |
| 837 | on_return: |
| 838 | if (timer_heap) pj_timer_heap_destroy(timer_heap); |
| 839 | if (ioqueue) pj_ioqueue_destroy(ioqueue); |
| 840 | if (pool) pj_pool_release(pool); |
| 841 | return ret; |
| 842 | } |
| 843 | |
| 844 | |