Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1 | /* test routines for gbproxy |
| 2 | * send NS messages to the gbproxy and dumps what happens |
| 3 | * (C) 2013 by sysmocom s.f.m.c. GmbH |
| 4 | * Author: Jacob Erlbeck <jerlbeck@sysmocom.de> |
| 5 | */ |
| 6 | |
| 7 | #undef _GNU_SOURCE |
| 8 | #define _GNU_SOURCE |
| 9 | |
| 10 | #include <stdio.h> |
| 11 | #include <stdlib.h> |
| 12 | #include <stdint.h> |
| 13 | #include <string.h> |
| 14 | #include <getopt.h> |
| 15 | #include <dlfcn.h> |
| 16 | #include <sys/types.h> |
| 17 | #include <sys/socket.h> |
| 18 | |
| 19 | #include <osmocom/core/msgb.h> |
| 20 | #include <osmocom/core/application.h> |
| 21 | #include <osmocom/core/utils.h> |
| 22 | #include <osmocom/core/logging.h> |
| 23 | #include <osmocom/core/talloc.h> |
| 24 | #include <osmocom/core/signal.h> |
| 25 | #include <osmocom/core/rate_ctr.h> |
| 26 | #include <osmocom/gprs/gprs_msgb.h> |
| 27 | #include <osmocom/gprs/gprs_ns.h> |
| 28 | #include <osmocom/gprs/gprs_bssgp.h> |
| 29 | |
| 30 | #include <openbsc/gb_proxy.h> |
| 31 | |
| 32 | #define REMOTE_BSS_ADDR 0x01020304 |
| 33 | #define REMOTE_SGSN_ADDR 0x05060708 |
| 34 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 35 | #define SGSN_NSEI 0x0100 |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 36 | |
| 37 | struct gbproxy_config gbcfg; |
| 38 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 39 | static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, |
| 40 | struct sockaddr_in *peer, const unsigned char* data, |
| 41 | size_t data_len); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 42 | |
| 43 | static void send_ns_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 44 | enum ns_cause cause, uint16_t nsvci, uint16_t nsei) |
| 45 | { |
| 46 | /* GPRS Network Service, PDU type: NS_RESET, |
| 47 | */ |
| 48 | unsigned char msg[12] = { |
| 49 | 0x02, 0x00, 0x81, 0x01, 0x01, 0x82, 0x11, 0x22, |
| 50 | 0x04, 0x82, 0x11, 0x22 |
| 51 | }; |
| 52 | |
| 53 | msg[3] = cause; |
| 54 | msg[6] = nsvci / 256; |
| 55 | msg[7] = nsvci % 256; |
| 56 | msg[10] = nsei / 256; |
| 57 | msg[11] = nsei % 256; |
| 58 | |
| 59 | gprs_process_message(nsi, "RESET", src_addr, msg, sizeof(msg)); |
| 60 | } |
| 61 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 62 | static void send_ns_reset_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 63 | uint16_t nsvci, uint16_t nsei) |
| 64 | { |
| 65 | /* GPRS Network Service, PDU type: NS_RESET_ACK, |
| 66 | */ |
| 67 | unsigned char msg[9] = { |
| 68 | 0x03, 0x01, 0x82, 0x11, 0x22, |
| 69 | 0x04, 0x82, 0x11, 0x22 |
| 70 | }; |
| 71 | |
| 72 | msg[3] = nsvci / 256; |
| 73 | msg[4] = nsvci % 256; |
| 74 | msg[7] = nsei / 256; |
| 75 | msg[8] = nsei % 256; |
| 76 | |
| 77 | gprs_process_message(nsi, "RESET_ACK", src_addr, msg, sizeof(msg)); |
| 78 | } |
| 79 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 80 | static void send_ns_alive(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 81 | { |
| 82 | /* GPRS Network Service, PDU type: NS_ALIVE */ |
| 83 | unsigned char msg[1] = { |
| 84 | 0x0a |
| 85 | }; |
| 86 | |
| 87 | gprs_process_message(nsi, "ALIVE", src_addr, msg, sizeof(msg)); |
| 88 | } |
| 89 | |
| 90 | static void send_ns_alive_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 91 | { |
| 92 | /* GPRS Network Service, PDU type: NS_ALIVE_ACK */ |
| 93 | unsigned char msg[1] = { |
| 94 | 0x0b |
| 95 | }; |
| 96 | |
| 97 | gprs_process_message(nsi, "ALIVE_ACK", src_addr, msg, sizeof(msg)); |
| 98 | } |
| 99 | |
| 100 | static void send_ns_unblock(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 101 | { |
| 102 | /* GPRS Network Service, PDU type: NS_UNBLOCK */ |
| 103 | unsigned char msg[1] = { |
| 104 | 0x06 |
| 105 | }; |
| 106 | |
| 107 | gprs_process_message(nsi, "UNBLOCK", src_addr, msg, sizeof(msg)); |
| 108 | } |
| 109 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 110 | static void send_ns_unblock_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 111 | { |
| 112 | /* GPRS Network Service, PDU type: NS_UNBLOCK_ACK */ |
| 113 | unsigned char msg[1] = { |
| 114 | 0x07 |
| 115 | }; |
| 116 | |
| 117 | gprs_process_message(nsi, "UNBLOCK_ACK", src_addr, msg, sizeof(msg)); |
| 118 | } |
| 119 | |
| 120 | static void send_ns_unitdata(struct gprs_ns_inst *nsi, const char *text, |
| 121 | struct sockaddr_in *src_addr, uint16_t nsbvci, |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 122 | const unsigned char *bssgp_msg, size_t bssgp_msg_size) |
| 123 | { |
| 124 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 125 | unsigned char msg[4096] = { |
| 126 | 0x00, 0x00, 0x00, 0x00 |
| 127 | }; |
| 128 | |
| 129 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg) - 4); |
| 130 | |
| 131 | msg[2] = nsbvci / 256; |
| 132 | msg[3] = nsbvci % 256; |
| 133 | memcpy(msg + 4, bssgp_msg, bssgp_msg_size); |
| 134 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 135 | gprs_process_message(nsi, text ? text : "UNITDATA", src_addr, msg, bssgp_msg_size + 4); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | static void send_bssgp_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 139 | uint16_t bvci) |
| 140 | { |
| 141 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 142 | * BSSGP RESET */ |
| 143 | unsigned char msg[22] = { |
| 144 | 0x22, 0x04, 0x82, 0x4a, |
Jacob Erlbeck | 3f08632 | 2014-06-02 10:48:59 +0200 | [diff] [blame] | 145 | 0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x11, 0x22, |
| 146 | 0x33, 0x40, 0x50, 0x60, 0x10, 0x00 |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 147 | }; |
| 148 | |
| 149 | msg[3] = bvci / 256; |
| 150 | msg[4] = bvci % 256; |
| 151 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 152 | send_ns_unitdata(nsi, "BVC_RESET", src_addr, 0, msg, sizeof(msg)); |
| 153 | } |
| 154 | |
| 155 | static void send_bssgp_reset_ack(struct gprs_ns_inst *nsi, |
| 156 | struct sockaddr_in *src_addr, uint16_t bvci) |
| 157 | { |
| 158 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 159 | * BSSGP RESET_ACK */ |
| 160 | static unsigned char msg[5] = { |
| 161 | 0x23, 0x04, 0x82, 0x00, |
| 162 | 0x00 |
| 163 | }; |
| 164 | |
| 165 | msg[3] = bvci / 256; |
| 166 | msg[4] = bvci % 256; |
| 167 | |
| 168 | send_ns_unitdata(nsi, "BVC_RESET_ACK", src_addr, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | static void setup_ns(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 172 | uint16_t nsvci, uint16_t nsei) |
| 173 | { |
| 174 | printf("Setup NS-VC: remote 0x%08x:%d, " |
| 175 | "NSVCI 0x%04x(%d), NSEI 0x%04x(%d)\n\n", |
| 176 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 177 | nsvci, nsvci, nsei, nsei); |
| 178 | |
| 179 | send_ns_reset(nsi, src_addr, NS_CAUSE_OM_INTERVENTION, nsvci, nsei); |
| 180 | send_ns_alive(nsi, src_addr); |
| 181 | send_ns_unblock(nsi, src_addr); |
| 182 | send_ns_alive_ack(nsi, src_addr); |
| 183 | } |
| 184 | |
| 185 | static void setup_bssgp(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 186 | uint16_t bvci) |
| 187 | { |
| 188 | printf("Setup BSSGP: remote 0x%08x:%d, " |
| 189 | "BVCI 0x%04x(%d)\n\n", |
| 190 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 191 | bvci, bvci); |
| 192 | |
| 193 | send_bssgp_reset(nsi, src_addr, bvci); |
| 194 | } |
| 195 | |
| 196 | int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg, |
| 197 | struct sockaddr_in *saddr, enum gprs_ns_ll ll); |
| 198 | |
| 199 | /* override */ |
| 200 | int gprs_ns_callback(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, |
| 201 | struct msgb *msg, uint16_t bvci) |
| 202 | { |
| 203 | printf("CALLBACK, event %d, msg length %d, bvci 0x%04x\n%s\n\n", |
| 204 | event, msgb_bssgp_len(msg), bvci, |
| 205 | osmo_hexdump(msgb_bssgph(msg), msgb_bssgp_len(msg))); |
| 206 | |
| 207 | switch (event) { |
| 208 | case GPRS_NS_EVT_UNIT_DATA: |
Jacob Erlbeck | e48c347 | 2013-10-15 12:00:27 +0200 | [diff] [blame] | 209 | return gbprox_rcvmsg(msg, nsvc->nsei, bvci, nsvc->nsvci); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 210 | default: |
| 211 | break; |
| 212 | } |
| 213 | return 0; |
| 214 | } |
| 215 | |
| 216 | /* override */ |
| 217 | ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, |
| 218 | const struct sockaddr *dest_addr, socklen_t addrlen) |
| 219 | { |
| 220 | typedef ssize_t (*sendto_t)(int, const void *, size_t, int, |
| 221 | const struct sockaddr *, socklen_t); |
| 222 | static sendto_t real_sendto = NULL; |
| 223 | uint32_t dest_host = htonl(((struct sockaddr_in *)dest_addr)->sin_addr.s_addr); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 224 | int dest_port = htons(((struct sockaddr_in *)dest_addr)->sin_port); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 225 | |
| 226 | if (!real_sendto) |
| 227 | real_sendto = dlsym(RTLD_NEXT, "sendto"); |
| 228 | |
| 229 | if (dest_host == REMOTE_BSS_ADDR) |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 230 | printf("MESSAGE to BSS at 0x%08x:%d, msg length %d\n%s\n\n", |
| 231 | dest_host, dest_port, |
| 232 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 233 | else if (dest_host == REMOTE_SGSN_ADDR) |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 234 | printf("MESSAGE to SGSN at 0x%08x:%d, msg length %d\n%s\n\n", |
| 235 | dest_host, dest_port, |
| 236 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 237 | else |
| 238 | return real_sendto(sockfd, buf, len, flags, dest_addr, addrlen); |
| 239 | |
| 240 | return len; |
| 241 | } |
| 242 | |
| 243 | /* override */ |
| 244 | int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg) |
| 245 | { |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 246 | typedef int (*gprs_ns_sendmsg_t)(struct gprs_ns_inst *nsi, struct msgb *msg); |
| 247 | static gprs_ns_sendmsg_t real_gprs_ns_sendmsg = NULL; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 248 | uint16_t bvci = msgb_bvci(msg); |
| 249 | uint16_t nsei = msgb_nsei(msg); |
| 250 | |
| 251 | unsigned char *buf = msg->data; |
| 252 | size_t len = msg->len; |
| 253 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 254 | if (!real_gprs_ns_sendmsg) |
| 255 | real_gprs_ns_sendmsg = dlsym(RTLD_NEXT, "gprs_ns_sendmsg"); |
| 256 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 257 | if (nsei == SGSN_NSEI) |
| 258 | printf("NS UNITDATA MESSAGE to SGSN, BVCI 0x%04x, msg length %d\n%s\n\n", |
| 259 | bvci, len, osmo_hexdump(buf, len)); |
| 260 | else |
| 261 | printf("NS UNITDATA MESSAGE to BSS, BVCI 0x%04x, msg length %d\n%s\n\n", |
| 262 | bvci, len, osmo_hexdump(buf, len)); |
| 263 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 264 | return real_gprs_ns_sendmsg(nsi, msg); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | static void dump_rate_ctr_group(FILE *stream, const char *prefix, |
| 268 | struct rate_ctr_group *ctrg) |
| 269 | { |
| 270 | unsigned int i; |
| 271 | |
| 272 | for (i = 0; i < ctrg->desc->num_ctr; i++) { |
| 273 | struct rate_ctr *ctr = &ctrg->ctr[i]; |
| 274 | if (ctr->current && !strchr(ctrg->desc->ctr_desc[i].name, '.')) |
| 275 | fprintf(stream, " %s%s: %llu%s", |
| 276 | prefix, ctrg->desc->ctr_desc[i].description, |
| 277 | (long long)ctr->current, |
| 278 | "\n"); |
| 279 | }; |
| 280 | } |
| 281 | |
| 282 | /* Signal handler for signals from NS layer */ |
| 283 | static int test_signal(unsigned int subsys, unsigned int signal, |
| 284 | void *handler_data, void *signal_data) |
| 285 | { |
| 286 | struct ns_signal_data *nssd = signal_data; |
| 287 | int rc; |
| 288 | |
| 289 | if (subsys != SS_L_NS) |
| 290 | return 0; |
| 291 | |
| 292 | switch (signal) { |
| 293 | case S_NS_RESET: |
| 294 | printf("==> got signal NS_RESET, NS-VC 0x%04x/%s\n", |
| 295 | nssd->nsvc->nsvci, |
| 296 | gprs_ns_ll_str(nssd->nsvc)); |
| 297 | break; |
| 298 | |
| 299 | case S_NS_ALIVE_EXP: |
| 300 | printf("==> got signal NS_ALIVE_EXP, NS-VC 0x%04x/%s\n", |
| 301 | nssd->nsvc->nsvci, |
| 302 | gprs_ns_ll_str(nssd->nsvc)); |
| 303 | break; |
| 304 | |
| 305 | case S_NS_BLOCK: |
| 306 | printf("==> got signal NS_BLOCK, NS-VC 0x%04x/%s\n", |
| 307 | nssd->nsvc->nsvci, |
| 308 | gprs_ns_ll_str(nssd->nsvc)); |
| 309 | break; |
| 310 | |
| 311 | case S_NS_UNBLOCK: |
| 312 | printf("==> got signal NS_UNBLOCK, NS-VC 0x%04x/%s\n", |
| 313 | nssd->nsvc->nsvci, |
| 314 | gprs_ns_ll_str(nssd->nsvc)); |
| 315 | break; |
| 316 | |
| 317 | case S_NS_REPLACED: |
| 318 | printf("==> got signal NS_REPLACED: 0x%04x/%s", |
| 319 | nssd->nsvc->nsvci, |
| 320 | gprs_ns_ll_str(nssd->nsvc)); |
| 321 | printf(" -> 0x%04x/%s\n", |
| 322 | nssd->old_nsvc->nsvci, |
| 323 | gprs_ns_ll_str(nssd->old_nsvc)); |
| 324 | break; |
| 325 | |
| 326 | default: |
| 327 | printf("==> got signal %d, NS-VC 0x%04x/%s\n", signal, |
| 328 | nssd->nsvc->nsvci, |
| 329 | gprs_ns_ll_str(nssd->nsvc)); |
| 330 | break; |
| 331 | } |
| 332 | printf("\n"); |
| 333 | rc = gbprox_signal(subsys, signal, handler_data, signal_data); |
| 334 | return rc; |
| 335 | } |
| 336 | |
| 337 | static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, struct sockaddr_in *peer, const unsigned char* data, size_t data_len) |
| 338 | { |
| 339 | struct msgb *msg; |
| 340 | int ret; |
| 341 | if (data_len > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) { |
| 342 | fprintf(stderr, "message too long: %d\n", data_len); |
| 343 | return -1; |
| 344 | } |
| 345 | |
| 346 | msg = gprs_ns_msgb_alloc(); |
| 347 | memmove(msg->data, data, data_len); |
| 348 | msg->l2h = msg->data; |
| 349 | msgb_put(msg, data_len); |
| 350 | |
| 351 | printf("PROCESSING %s from 0x%08x:%d\n%s\n\n", |
| 352 | text, ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 353 | osmo_hexdump(data, data_len)); |
| 354 | |
| 355 | ret = gprs_ns_rcvmsg(nsi, msg, peer, GPRS_NS_LL_UDP); |
| 356 | |
| 357 | printf("result (%s) = %d\n\n", text, ret); |
| 358 | |
| 359 | msgb_free(msg); |
| 360 | |
| 361 | return ret; |
| 362 | } |
| 363 | |
| 364 | static void gprs_dump_nsi(struct gprs_ns_inst *nsi) |
| 365 | { |
| 366 | struct gprs_nsvc *nsvc; |
| 367 | |
| 368 | printf("Current NS-VCIs:\n"); |
| 369 | llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) { |
| 370 | struct sockaddr_in *peer = &(nsvc->ip.bts_addr); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 371 | printf(" VCI 0x%04x, NSEI 0x%04x, peer 0x%08x:%d%s%s\n", |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 372 | nsvc->nsvci, nsvc->nsei, |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 373 | ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 374 | nsvc->state & NSE_S_BLOCKED ? ", blocked" : "", |
| 375 | nsvc->state & NSE_S_ALIVE ? "" : ", dead" |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 376 | ); |
| 377 | dump_rate_ctr_group(stdout, " ", nsvc->ctrg); |
| 378 | } |
| 379 | printf("\n"); |
| 380 | } |
| 381 | |
| 382 | static void test_gbproxy() |
| 383 | { |
| 384 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 385 | struct sockaddr_in bss_peer[4] = {{0},}; |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 386 | struct sockaddr_in sgsn_peer= {0}; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 387 | |
| 388 | bssgp_nsi = nsi; |
| 389 | gbcfg.nsi = bssgp_nsi; |
| 390 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 391 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 392 | sgsn_peer.sin_family = AF_INET; |
| 393 | sgsn_peer.sin_port = htons(32000); |
| 394 | sgsn_peer.sin_addr.s_addr = htonl(REMOTE_SGSN_ADDR); |
| 395 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 396 | bss_peer[0].sin_family = AF_INET; |
| 397 | bss_peer[0].sin_port = htons(1111); |
| 398 | bss_peer[0].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR); |
| 399 | bss_peer[1].sin_family = AF_INET; |
| 400 | bss_peer[1].sin_port = htons(2222); |
| 401 | bss_peer[1].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR); |
| 402 | bss_peer[2].sin_family = AF_INET; |
| 403 | bss_peer[2].sin_port = htons(3333); |
| 404 | bss_peer[2].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR); |
| 405 | bss_peer[3].sin_family = AF_INET; |
| 406 | bss_peer[3].sin_port = htons(4444); |
| 407 | bss_peer[3].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR); |
| 408 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 409 | printf("--- Initialise SGSN ---\n\n"); |
| 410 | |
| 411 | gprs_ns_nsip_connect(nsi, &sgsn_peer, SGSN_NSEI, SGSN_NSEI+1); |
| 412 | send_ns_reset_ack(nsi, &sgsn_peer, SGSN_NSEI+1, SGSN_NSEI); |
| 413 | send_ns_alive_ack(nsi, &sgsn_peer); |
| 414 | send_ns_unblock_ack(nsi, &sgsn_peer); |
| 415 | send_ns_alive(nsi, &sgsn_peer); |
| 416 | gprs_dump_nsi(nsi); |
| 417 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 418 | printf("--- Initialise BSS 1 ---\n\n"); |
| 419 | |
| 420 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 421 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 422 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 174bad4 | 2013-10-18 14:34:55 +0200 | [diff] [blame] | 423 | gbprox_dump_peers(stdout, 0, 1); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 424 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 425 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 426 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 427 | printf("--- Initialise BSS 2 ---\n\n"); |
| 428 | |
| 429 | setup_ns(nsi, &bss_peer[1], 0x2001, 0x2000); |
| 430 | setup_bssgp(nsi, &bss_peer[1], 0x2002); |
| 431 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 174bad4 | 2013-10-18 14:34:55 +0200 | [diff] [blame] | 432 | gbprox_dump_peers(stdout, 0, 1); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 433 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 434 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x2002); |
| 435 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 436 | printf("--- Move BSS 1 to new port ---\n\n"); |
| 437 | |
| 438 | setup_ns(nsi, &bss_peer[2], 0x1001, 0x1000); |
| 439 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 174bad4 | 2013-10-18 14:34:55 +0200 | [diff] [blame] | 440 | gbprox_dump_peers(stdout, 0, 1); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 441 | |
| 442 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 443 | |
| 444 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 445 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 174bad4 | 2013-10-18 14:34:55 +0200 | [diff] [blame] | 446 | gbprox_dump_peers(stdout, 0, 1); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 447 | |
| 448 | printf("--- Move BSS 1 to current BSS 2 port ---\n\n"); |
| 449 | |
| 450 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 451 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 174bad4 | 2013-10-18 14:34:55 +0200 | [diff] [blame] | 452 | gbprox_dump_peers(stdout, 0, 1); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 453 | |
| 454 | printf("--- Move BSS 2 to new port ---\n\n"); |
| 455 | |
| 456 | setup_ns(nsi, &bss_peer[3], 0x2001, 0x2000); |
| 457 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 174bad4 | 2013-10-18 14:34:55 +0200 | [diff] [blame] | 458 | gbprox_dump_peers(stdout, 0, 1); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 459 | |
| 460 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 461 | |
| 462 | setup_ns(nsi, &bss_peer[2], 0x2001, 0x2000); |
| 463 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 174bad4 | 2013-10-18 14:34:55 +0200 | [diff] [blame] | 464 | gbprox_dump_peers(stdout, 0, 1); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 465 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 466 | printf("--- Move BSS 1 to original BSS 1 port ---\n\n"); |
| 467 | |
| 468 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 469 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 174bad4 | 2013-10-18 14:34:55 +0200 | [diff] [blame] | 470 | gbprox_dump_peers(stdout, 0, 1); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 471 | |
| 472 | printf("--- Reset BSS 1 with a new BVCI ---\n\n"); |
| 473 | |
| 474 | setup_bssgp(nsi, &bss_peer[0], 0x1012); |
| 475 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 174bad4 | 2013-10-18 14:34:55 +0200 | [diff] [blame] | 476 | gbprox_dump_peers(stdout, 0, 1); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 477 | |
| 478 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1012); |
| 479 | |
| 480 | printf("--- Reset BSS 1 with the old BVCI ---\n\n"); |
| 481 | |
| 482 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 483 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 174bad4 | 2013-10-18 14:34:55 +0200 | [diff] [blame] | 484 | gbprox_dump_peers(stdout, 0, 1); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 485 | |
| 486 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 487 | |
| 488 | printf("--- Reset BSS 1 with the old BVCI again ---\n\n"); |
| 489 | |
| 490 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 491 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 174bad4 | 2013-10-18 14:34:55 +0200 | [diff] [blame] | 492 | gbprox_dump_peers(stdout, 0, 1); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 493 | |
| 494 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 495 | |
| 496 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1012 ---\n\n"); |
| 497 | |
| 498 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 499 | |
| 500 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1012 ---\n\n"); |
| 501 | |
| 502 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 503 | |
| 504 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 505 | |
| 506 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 507 | |
| 508 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 509 | |
| 510 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 511 | |
| 512 | printf("--- Send message from BSS 2 to SGSN, BVCI 0x2002 ---\n\n"); |
| 513 | |
| 514 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x2002, (uint8_t *)"", 0); |
| 515 | |
| 516 | printf("--- Send message from SGSN to BSS 2, BVCI 0x2002 ---\n\n"); |
| 517 | |
| 518 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x2002, (uint8_t *)"", 0); |
| 519 | |
| 520 | printf("--- Reset BSS 1 with the old BVCI on BSS2's link ---\n\n"); |
| 521 | |
| 522 | setup_bssgp(nsi, &bss_peer[2], 0x1002); |
| 523 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 174bad4 | 2013-10-18 14:34:55 +0200 | [diff] [blame] | 524 | gbprox_dump_peers(stdout, 0, 1); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 525 | |
Jacob Erlbeck | cc4a2aa | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 526 | gbprox_dump_global(stdout, 0, 1); |
| 527 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 528 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 529 | |
| 530 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 531 | |
| 532 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 533 | |
| 534 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 535 | |
| 536 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 537 | |
Jacob Erlbeck | cc4a2aa | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 538 | printf("--- Send message from SGSN to BSS 1, BVCI 0x10ff (invalid) ---\n\n"); |
| 539 | |
| 540 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x10ff, (uint8_t *)"", 0); |
| 541 | |
| 542 | gbprox_dump_global(stdout, 0, 1); |
| 543 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 544 | gprs_ns_destroy(nsi); |
| 545 | nsi = NULL; |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 546 | gbprox_reset(); |
| 547 | } |
| 548 | |
| 549 | static void test_gbproxy_ident_changes() |
| 550 | { |
| 551 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 552 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 553 | struct sockaddr_in sgsn_peer= {0}; |
| 554 | uint16_t nsei[2] = {0x1000, 0x2000}; |
| 555 | uint16_t nsvci[2] = {0x1001, 0x2001}; |
| 556 | uint16_t bvci[4] = {0x1002, 0x2002, 0x3002, 0x4002}; |
| 557 | |
| 558 | bssgp_nsi = nsi; |
| 559 | gbcfg.nsi = bssgp_nsi; |
| 560 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 561 | |
| 562 | sgsn_peer.sin_family = AF_INET; |
| 563 | sgsn_peer.sin_port = htons(32000); |
| 564 | sgsn_peer.sin_addr.s_addr = htonl(REMOTE_SGSN_ADDR); |
| 565 | |
| 566 | bss_peer[0].sin_family = AF_INET; |
| 567 | bss_peer[0].sin_port = htons(1111); |
| 568 | bss_peer[0].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR); |
| 569 | |
| 570 | printf("--- Initialise SGSN ---\n\n"); |
| 571 | |
| 572 | gprs_ns_nsip_connect(nsi, &sgsn_peer, SGSN_NSEI, SGSN_NSEI+1); |
| 573 | send_ns_reset_ack(nsi, &sgsn_peer, SGSN_NSEI+1, SGSN_NSEI); |
| 574 | send_ns_alive_ack(nsi, &sgsn_peer); |
| 575 | send_ns_unblock_ack(nsi, &sgsn_peer); |
| 576 | send_ns_alive(nsi, &sgsn_peer); |
| 577 | gprs_dump_nsi(nsi); |
| 578 | |
| 579 | printf("--- Initialise BSS 1 ---\n\n"); |
| 580 | |
| 581 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[0]); |
| 582 | gprs_dump_nsi(nsi); |
| 583 | |
| 584 | printf("--- Setup BVCI 1 ---\n\n"); |
| 585 | |
| 586 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 587 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
| 588 | gbprox_dump_peers(stdout, 0, 1); |
| 589 | |
| 590 | printf("--- Setup BVCI 2 ---\n\n"); |
| 591 | |
| 592 | setup_bssgp(nsi, &bss_peer[0], bvci[1]); |
| 593 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[1]); |
| 594 | gbprox_dump_peers(stdout, 0, 1); |
| 595 | |
| 596 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 597 | |
| 598 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 599 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 600 | |
| 601 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 ---\n\n"); |
| 602 | |
| 603 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
| 604 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
| 605 | |
| 606 | printf("--- Change NSEI ---\n\n"); |
| 607 | |
| 608 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[1]); |
| 609 | gprs_dump_nsi(nsi); |
| 610 | |
| 611 | printf("--- Setup BVCI 1 ---\n\n"); |
| 612 | |
| 613 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 614 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
| 615 | gbprox_dump_peers(stdout, 0, 1); |
| 616 | |
| 617 | printf("--- Setup BVCI 3 ---\n\n"); |
| 618 | |
| 619 | setup_bssgp(nsi, &bss_peer[0], bvci[2]); |
| 620 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[2]); |
| 621 | gbprox_dump_peers(stdout, 0, 1); |
| 622 | |
| 623 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 624 | |
| 625 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 626 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 627 | |
| 628 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 629 | " (should fail) ---\n\n"); |
| 630 | |
| 631 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
| 632 | gbprox_dump_peers(stdout, 0, 1); |
| 633 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
| 634 | gbprox_dump_peers(stdout, 0, 1); |
| 635 | |
| 636 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 637 | |
| 638 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 639 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 640 | |
| 641 | printf("--- Change NSVCI ---\n\n"); |
| 642 | |
| 643 | setup_ns(nsi, &bss_peer[0], nsvci[1], nsei[1]); |
| 644 | gprs_dump_nsi(nsi); |
| 645 | |
| 646 | printf("--- Setup BVCI 1 ---\n\n"); |
| 647 | |
| 648 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 649 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
| 650 | gbprox_dump_peers(stdout, 0, 1); |
| 651 | |
| 652 | printf("--- Setup BVCI 4 ---\n\n"); |
| 653 | |
| 654 | setup_bssgp(nsi, &bss_peer[0], bvci[3]); |
| 655 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[3]); |
| 656 | gbprox_dump_peers(stdout, 0, 1); |
| 657 | |
| 658 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 659 | |
| 660 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 661 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 662 | |
| 663 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 664 | " (should fail) ---\n\n"); |
| 665 | |
| 666 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
| 667 | gbprox_dump_peers(stdout, 0, 1); |
| 668 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
| 669 | gbprox_dump_peers(stdout, 0, 1); |
| 670 | |
| 671 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 672 | |
| 673 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 674 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 675 | |
| 676 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 4 ---\n\n"); |
| 677 | |
| 678 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[3], (uint8_t *)"", 0); |
| 679 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[3], (uint8_t *)"", 0); |
| 680 | |
| 681 | gbprox_dump_global(stdout, 0, 1); |
| 682 | gbprox_dump_peers(stdout, 0, 1); |
| 683 | |
| 684 | gprs_ns_destroy(nsi); |
| 685 | nsi = NULL; |
| 686 | gbprox_reset(); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 687 | } |
| 688 | |
| 689 | |
| 690 | static struct log_info info = {}; |
| 691 | |
| 692 | int main(int argc, char **argv) |
| 693 | { |
| 694 | osmo_init_logging(&info); |
| 695 | log_set_use_color(osmo_stderr_target, 0); |
| 696 | log_set_print_filename(osmo_stderr_target, 0); |
| 697 | osmo_signal_register_handler(SS_L_NS, &test_signal, NULL); |
| 698 | |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 699 | log_set_print_filename(osmo_stderr_target, 0); |
| 700 | log_set_log_level(osmo_stderr_target, LOGL_INFO); |
| 701 | |
| 702 | rate_ctr_init(NULL); |
| 703 | |
| 704 | setlinebuf(stdout); |
| 705 | |
| 706 | printf("===== GbProxy test START\n"); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 707 | test_gbproxy(); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 708 | test_gbproxy_ident_changes(); |
| 709 | printf("===== GbProxy test END\n\n"); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 710 | |
| 711 | exit(EXIT_SUCCESS); |
| 712 | } |