Holger Hans Peter Freyther | 68c6f88 | 2014-09-30 09:10:25 +0200 | [diff] [blame] | 1 | /* Test the SGSN */ |
| 2 | /* |
| 3 | * (C) 2014 by Holger Hans Peter Freyther |
| 4 | * (C) 2014 by sysmocom s.f.m.c. GmbH |
| 5 | * All Rights Reserved |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU Affero General Public License as published by |
| 9 | * the Free Software Foundation; either version 3 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU Affero General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Affero General Public License |
| 18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 | * |
| 20 | */ |
| 21 | |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 22 | #include <openbsc/gprs_llc.h> |
| 23 | #include <openbsc/sgsn.h> |
Holger Hans Peter Freyther | fe92133 | 2014-10-02 22:24:47 +0200 | [diff] [blame] | 24 | #include <openbsc/gprs_gmm.h> |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 25 | #include <openbsc/debug.h> |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 26 | #include <openbsc/gsm_subscriber.h> |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 27 | |
Jacob Erlbeck | 189999d | 2014-10-27 14:34:13 +0100 | [diff] [blame] | 28 | #include <osmocom/gprs/gprs_bssgp.h> |
| 29 | |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 30 | #include <osmocom/gsm/gsm_utils.h> |
| 31 | |
| 32 | #include <osmocom/core/application.h> |
| 33 | #include <osmocom/core/msgb.h> |
Jacob Erlbeck | 189999d | 2014-10-27 14:34:13 +0100 | [diff] [blame] | 34 | #include <osmocom/core/rate_ctr.h> |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 35 | |
Holger Hans Peter Freyther | 68c6f88 | 2014-09-30 09:10:25 +0200 | [diff] [blame] | 36 | #include <stdio.h> |
| 37 | |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 38 | extern void *tall_msgb_ctx; |
| 39 | |
| 40 | void *tall_bsc_ctx; |
| 41 | static struct sgsn_instance sgsn_inst = { |
| 42 | .config_file = "osmo_sgsn.cfg", |
| 43 | .cfg = { |
| 44 | .gtp_statedir = "./", |
Jacob Erlbeck | 106f547 | 2014-11-04 10:08:37 +0100 | [diff] [blame] | 45 | .auth_policy = SGSN_AUTH_POLICY_CLOSED, |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 46 | }, |
| 47 | }; |
| 48 | struct sgsn_instance *sgsn = &sgsn_inst; |
Jacob Erlbeck | 189999d | 2014-10-27 14:34:13 +0100 | [diff] [blame] | 49 | unsigned sgsn_tx_counter = 0; |
| 50 | |
| 51 | /* override */ |
| 52 | int bssgp_tx_dl_ud(struct msgb *msg, uint16_t pdu_lifetime, |
| 53 | struct bssgp_dl_ud_par *dup) |
| 54 | { |
| 55 | sgsn_tx_counter += 1; |
| 56 | return 0; |
| 57 | } |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 58 | |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 59 | /* override, requires '-Wl,--wrap=sgsn_update_subscriber_data' */ |
| 60 | void __real_sgsn_update_subscriber_data(struct sgsn_mm_ctx *, struct gsm_subscriber *); |
| 61 | void (*update_subscriber_data_cb)(struct sgsn_mm_ctx *, struct gsm_subscriber *) = |
| 62 | &__real_sgsn_update_subscriber_data; |
| 63 | |
| 64 | void __wrap_sgsn_update_subscriber_data(struct sgsn_mm_ctx *mmctx, |
| 65 | struct gsm_subscriber *subscr) |
| 66 | { |
| 67 | (*update_subscriber_data_cb)(mmctx, subscr); |
| 68 | } |
| 69 | |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 70 | /* override, requires '-Wl,--wrap=gprs_subscr_request_update_location' */ |
| 71 | int __real_gprs_subscr_request_update_location(struct sgsn_mm_ctx *mmctx); |
| 72 | int (*subscr_request_update_location_cb)(struct sgsn_mm_ctx *mmctx) = |
| 73 | &__real_gprs_subscr_request_update_location; |
Jacob Erlbeck | be2c8d9 | 2014-11-12 10:18:09 +0100 | [diff] [blame] | 74 | |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 75 | int __wrap_gprs_subscr_request_update_location(struct sgsn_mm_ctx *mmctx) { |
| 76 | return (*subscr_request_update_location_cb)(mmctx); |
| 77 | }; |
| 78 | |
| 79 | /* override, requires '-Wl,--wrap=gprs_subscr_request_auth_info' */ |
| 80 | int __real_gprs_subscr_request_auth_info(struct sgsn_mm_ctx *mmctx); |
| 81 | int (*subscr_request_auth_info_cb)(struct sgsn_mm_ctx *mmctx) = |
| 82 | &__real_gprs_subscr_request_auth_info; |
| 83 | |
| 84 | int __wrap_gprs_subscr_request_auth_info(struct sgsn_mm_ctx *mmctx) { |
| 85 | return (*subscr_request_auth_info_cb)(mmctx); |
Jacob Erlbeck | be2c8d9 | 2014-11-12 10:18:09 +0100 | [diff] [blame] | 86 | }; |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 87 | |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 88 | static int count(struct llist_head *head) |
| 89 | { |
| 90 | struct llist_head *cur; |
| 91 | int count = 0; |
| 92 | |
| 93 | llist_for_each(cur, head) |
| 94 | count += 1; |
| 95 | |
| 96 | return count; |
| 97 | } |
| 98 | |
Holger Hans Peter Freyther | fe92133 | 2014-10-02 22:24:47 +0200 | [diff] [blame] | 99 | static struct msgb *create_msg(const uint8_t *data, size_t len) |
| 100 | { |
| 101 | struct msgb *msg = msgb_alloc(len + 8, "test message"); |
| 102 | msg->l1h = msgb_put(msg, 8); |
| 103 | msg->l2h = msgb_put(msg, len); |
| 104 | memcpy(msg->l2h, data, len); |
| 105 | |
| 106 | msgb_bcid(msg) = msg->l1h; |
| 107 | msgb_gmmh(msg) = msg->l2h; |
| 108 | return msg; |
| 109 | } |
| 110 | |
Jacob Erlbeck | abc16a5 | 2014-10-27 13:23:49 +0100 | [diff] [blame] | 111 | /* |
| 112 | * Create a context and search for it |
| 113 | */ |
| 114 | static struct sgsn_mm_ctx *alloc_mm_ctx(uint32_t tlli, struct gprs_ra_id *raid) |
| 115 | { |
| 116 | struct sgsn_mm_ctx *ctx, *ictx; |
| 117 | struct gprs_llc_lle *lle; |
| 118 | int old_count = count(gprs_llme_list()); |
| 119 | |
| 120 | lle = gprs_lle_get_or_create(tlli, 3); |
| 121 | ctx = sgsn_mm_ctx_alloc(tlli, raid); |
| 122 | ctx->mm_state = GMM_REGISTERED_NORMAL; |
| 123 | ctx->llme = lle->llme; |
| 124 | |
| 125 | ictx = sgsn_mm_ctx_by_tlli(tlli, raid); |
| 126 | OSMO_ASSERT(ictx == ctx); |
| 127 | |
| 128 | OSMO_ASSERT(count(gprs_llme_list()) == old_count + 1); |
| 129 | |
| 130 | return ctx; |
| 131 | } |
| 132 | |
Jacob Erlbeck | 94ef1c0 | 2014-10-29 10:31:18 +0100 | [diff] [blame] | 133 | static void send_0408_message(struct gprs_llc_llme *llme, uint32_t tlli, |
| 134 | const uint8_t *data, size_t data_len) |
| 135 | { |
| 136 | struct msgb *msg; |
| 137 | |
| 138 | sgsn_tx_counter = 0; |
| 139 | |
| 140 | msg = create_msg(data, data_len); |
| 141 | msgb_tlli(msg) = tlli; |
| 142 | gsm0408_gprs_rcvmsg(msg, llme); |
| 143 | msgb_free(msg); |
| 144 | } |
| 145 | |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 146 | static void test_llme(void) |
| 147 | { |
| 148 | struct gprs_llc_lle *lle, *lle_copy; |
| 149 | uint32_t local_tlli; |
| 150 | uint32_t foreign_tlli; |
| 151 | |
| 152 | printf("Testing LLME allocations\n"); |
| 153 | local_tlli = gprs_tmsi2tlli(0x234, TLLI_LOCAL); |
| 154 | foreign_tlli = gprs_tmsi2tlli(0x234, TLLI_FOREIGN); |
| 155 | |
| 156 | /* initial state */ |
| 157 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 158 | |
| 159 | /* Create a new entry */ |
| 160 | lle = gprs_lle_get_or_create(local_tlli, 3); |
| 161 | OSMO_ASSERT(lle); |
| 162 | OSMO_ASSERT(count(gprs_llme_list()) == 1); |
| 163 | |
| 164 | /* No new entry is created */ |
| 165 | lle_copy = gprs_lle_get_or_create(local_tlli, 3); |
| 166 | OSMO_ASSERT(lle == lle_copy); |
| 167 | OSMO_ASSERT(count(gprs_llme_list()) == 1); |
| 168 | lle_copy = gprs_lle_get_or_create(foreign_tlli, 3); |
| 169 | OSMO_ASSERT(lle == lle_copy); |
| 170 | OSMO_ASSERT(count(gprs_llme_list()) == 1); |
| 171 | |
| 172 | /* unassign which should delete it*/ |
| 173 | gprs_llgmm_assign(lle->llme, lle->llme->tlli, 0xffffffff, GPRS_ALGO_GEA0, NULL); |
| 174 | |
| 175 | /* Check that everything was cleaned up */ |
| 176 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 177 | } |
| 178 | |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 179 | struct gsm_subscriber *last_updated_subscr = NULL; |
| 180 | void my_dummy_sgsn_update_subscriber_data(struct sgsn_mm_ctx *mmctx, |
| 181 | struct gsm_subscriber *subscr) |
| 182 | { |
| 183 | fprintf(stderr, "Called %s, mmctx = %p, subscr = %p\n", |
| 184 | __func__, mmctx, subscr); |
| 185 | last_updated_subscr = subscr; |
| 186 | } |
| 187 | |
| 188 | static void test_subscriber(void) |
| 189 | { |
| 190 | struct gsm_subscriber *s1, *s2, *s1found, *s2found; |
| 191 | const char *imsi1 = "1234567890"; |
| 192 | const char *imsi2 = "9876543210"; |
| 193 | |
| 194 | update_subscriber_data_cb = my_dummy_sgsn_update_subscriber_data; |
| 195 | |
| 196 | printf("Testing core subscriber data API\n"); |
| 197 | |
| 198 | /* Check for emptiness */ |
| 199 | OSMO_ASSERT(gprs_subscr_get_by_imsi(imsi1) == NULL); |
| 200 | OSMO_ASSERT(gprs_subscr_get_by_imsi(imsi2) == NULL); |
| 201 | |
| 202 | /* Allocate entry 1 */ |
| 203 | s1 = gprs_subscr_get_or_create(imsi1); |
| 204 | s1->flags |= GSM_SUBSCRIBER_FIRST_CONTACT; |
| 205 | s1found = gprs_subscr_get_by_imsi(imsi1); |
| 206 | OSMO_ASSERT(s1found == s1); |
| 207 | OSMO_ASSERT(gprs_subscr_get_by_imsi(imsi2) == NULL); |
| 208 | subscr_put(s1found); |
| 209 | |
| 210 | /* Allocate entry 2 */ |
| 211 | s2 = gprs_subscr_get_or_create(imsi2); |
| 212 | s2->flags |= GSM_SUBSCRIBER_FIRST_CONTACT; |
| 213 | s1found = gprs_subscr_get_by_imsi(imsi1); |
| 214 | s2found = gprs_subscr_get_by_imsi(imsi2); |
| 215 | OSMO_ASSERT(s1found == s1); |
| 216 | OSMO_ASSERT(s2found == s2); |
| 217 | subscr_put(s1found); |
| 218 | subscr_put(s2found); |
| 219 | |
| 220 | /* Update entry 1 */ |
| 221 | last_updated_subscr = NULL; |
| 222 | gprs_subscr_update(s1); |
| 223 | OSMO_ASSERT(last_updated_subscr == s1); |
| 224 | |
| 225 | /* Because of the update, it won't be freed on delete now */ |
| 226 | gprs_subscr_delete(s1); |
| 227 | s1found = gprs_subscr_get_by_imsi(imsi1); |
| 228 | OSMO_ASSERT(s1found != NULL); |
| 229 | s1 = s1found; |
| 230 | |
| 231 | /* Cancel it, so that delete will free it. |
| 232 | * Refcount it to make sure s1 won't be freed here */ |
| 233 | last_updated_subscr = NULL; |
| 234 | gprs_subscr_put_and_cancel(subscr_get(s1)); |
| 235 | OSMO_ASSERT(last_updated_subscr == s1); |
| 236 | |
| 237 | /* Cancelled entries are still being found */ |
| 238 | s1found = gprs_subscr_get_by_imsi(imsi1); |
| 239 | OSMO_ASSERT(s1found != NULL); |
| 240 | subscr_put(s1found); |
| 241 | |
| 242 | /* Free entry 1 */ |
| 243 | gprs_subscr_delete(s1); |
| 244 | s1 = NULL; |
| 245 | s2found = gprs_subscr_get_by_imsi(imsi2); |
| 246 | OSMO_ASSERT(gprs_subscr_get_by_imsi(imsi1) == NULL); |
| 247 | OSMO_ASSERT(s2found == s2); |
| 248 | subscr_put(s2found); |
| 249 | |
| 250 | /* Free entry 2 */ |
| 251 | gprs_subscr_delete(s2); |
| 252 | s2 = NULL; |
| 253 | OSMO_ASSERT(gprs_subscr_get_by_imsi(imsi1) == NULL); |
| 254 | OSMO_ASSERT(gprs_subscr_get_by_imsi(imsi2) == NULL); |
| 255 | |
| 256 | OSMO_ASSERT(llist_empty(&active_subscribers)); |
| 257 | |
| 258 | update_subscriber_data_cb = __real_sgsn_update_subscriber_data; |
| 259 | } |
| 260 | |
Jacob Erlbeck | 7921ab1 | 2014-12-08 15:52:00 +0100 | [diff] [blame] | 261 | static void test_auth_triplets(void) |
| 262 | { |
| 263 | struct gsm_subscriber *s1, *s1found; |
| 264 | const char *imsi1 = "1234567890"; |
| 265 | struct gsm_auth_tuple *at; |
| 266 | struct sgsn_mm_ctx *ctx; |
| 267 | struct gprs_ra_id raid = { 0, }; |
| 268 | uint32_t local_tlli = 0xffeeddcc; |
| 269 | struct gprs_llc_llme *llme; |
| 270 | |
| 271 | printf("Testing authentication triplet handling\n"); |
| 272 | |
| 273 | /* Check for emptiness */ |
| 274 | OSMO_ASSERT(gprs_subscr_get_by_imsi(imsi1) == NULL); |
| 275 | |
| 276 | /* Allocate entry 1 */ |
| 277 | s1 = gprs_subscr_get_or_create(imsi1); |
| 278 | s1->flags |= GSM_SUBSCRIBER_FIRST_CONTACT; |
| 279 | s1found = gprs_subscr_get_by_imsi(imsi1); |
| 280 | OSMO_ASSERT(s1found == s1); |
| 281 | subscr_put(s1found); |
| 282 | |
| 283 | /* Create a context */ |
| 284 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 285 | ctx = alloc_mm_ctx(local_tlli, &raid); |
| 286 | |
| 287 | /* Attach s1 to ctx */ |
| 288 | ctx->subscr = subscr_get(s1); |
| 289 | ctx->subscr->sgsn_data->mm = ctx; |
| 290 | |
| 291 | /* Try to get auth tuple */ |
| 292 | at = sgsn_auth_get_tuple(ctx, GSM_KEY_SEQ_INVAL); |
| 293 | OSMO_ASSERT(at == NULL); |
| 294 | |
| 295 | /* Add triplets */ |
| 296 | s1->sgsn_data->auth_triplets[0].key_seq = 0; |
| 297 | s1->sgsn_data->auth_triplets[1].key_seq = 1; |
| 298 | s1->sgsn_data->auth_triplets[2].key_seq = 2; |
| 299 | |
| 300 | /* Try to get auth tuple */ |
| 301 | at = sgsn_auth_get_tuple(ctx, GSM_KEY_SEQ_INVAL); |
| 302 | OSMO_ASSERT(at != NULL); |
| 303 | OSMO_ASSERT(at->key_seq == 0); |
| 304 | OSMO_ASSERT(at->use_count == 1); |
| 305 | at = sgsn_auth_get_tuple(ctx, at->key_seq); |
| 306 | OSMO_ASSERT(at != NULL); |
| 307 | OSMO_ASSERT(at->key_seq == 1); |
| 308 | OSMO_ASSERT(at->use_count == 1); |
| 309 | at = sgsn_auth_get_tuple(ctx, at->key_seq); |
| 310 | OSMO_ASSERT(at != NULL); |
| 311 | OSMO_ASSERT(at->key_seq == 2); |
| 312 | OSMO_ASSERT(at->use_count == 1); |
| 313 | at = sgsn_auth_get_tuple(ctx, at->key_seq); |
| 314 | OSMO_ASSERT(at == NULL); |
| 315 | |
| 316 | /* Free MM context and subscriber */ |
| 317 | subscr_put(s1); |
| 318 | llme = ctx->llme; |
| 319 | sgsn_mm_ctx_free(ctx); |
| 320 | s1found = gprs_subscr_get_by_imsi(imsi1); |
| 321 | OSMO_ASSERT(s1found == NULL); |
| 322 | gprs_llgmm_assign(llme, local_tlli, 0xffffffff, GPRS_ALGO_GEA0, NULL); |
| 323 | } |
| 324 | |
Holger Hans Peter Freyther | fe92133 | 2014-10-02 22:24:47 +0200 | [diff] [blame] | 325 | /* |
| 326 | * Test that a GMM Detach will remove the MMCTX and the |
| 327 | * associated LLME. |
| 328 | */ |
| 329 | static void test_gmm_detach(void) |
| 330 | { |
| 331 | struct gprs_ra_id raid = { 0, }; |
| 332 | struct sgsn_mm_ctx *ctx, *ictx; |
Holger Hans Peter Freyther | fe92133 | 2014-10-02 22:24:47 +0200 | [diff] [blame] | 333 | uint32_t local_tlli; |
Holger Hans Peter Freyther | fe92133 | 2014-10-02 22:24:47 +0200 | [diff] [blame] | 334 | |
| 335 | printf("Testing GMM detach\n"); |
| 336 | |
| 337 | /* DTAP - Detach Request (MO) */ |
| 338 | /* normal detach, power_off = 0 */ |
| 339 | static const unsigned char detach_req[] = { |
| 340 | 0x08, 0x05, 0x01, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 341 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
| 342 | }; |
| 343 | |
Holger Hans Peter Freyther | fe92133 | 2014-10-02 22:24:47 +0200 | [diff] [blame] | 344 | local_tlli = gprs_tmsi2tlli(0x23, TLLI_LOCAL); |
Holger Hans Peter Freyther | fe92133 | 2014-10-02 22:24:47 +0200 | [diff] [blame] | 345 | |
Jacob Erlbeck | abc16a5 | 2014-10-27 13:23:49 +0100 | [diff] [blame] | 346 | /* Create a context */ |
| 347 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 348 | ctx = alloc_mm_ctx(local_tlli, &raid); |
Holger Hans Peter Freyther | fe92133 | 2014-10-02 22:24:47 +0200 | [diff] [blame] | 349 | |
| 350 | /* inject the detach */ |
Jacob Erlbeck | 94ef1c0 | 2014-10-29 10:31:18 +0100 | [diff] [blame] | 351 | send_0408_message(ctx->llme, local_tlli, |
| 352 | detach_req, ARRAY_SIZE(detach_req)); |
Holger Hans Peter Freyther | fe92133 | 2014-10-02 22:24:47 +0200 | [diff] [blame] | 353 | |
Jacob Erlbeck | 189999d | 2014-10-27 14:34:13 +0100 | [diff] [blame] | 354 | /* verify that a single message (hopefully the Detach Accept) has been |
| 355 | * sent by the SGSN */ |
Jacob Erlbeck | 94ef1c0 | 2014-10-29 10:31:18 +0100 | [diff] [blame] | 356 | OSMO_ASSERT(sgsn_tx_counter == 1); |
Jacob Erlbeck | 189999d | 2014-10-27 14:34:13 +0100 | [diff] [blame] | 357 | |
| 358 | /* verify that things are gone */ |
| 359 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 360 | ictx = sgsn_mm_ctx_by_tlli(local_tlli, &raid); |
| 361 | OSMO_ASSERT(!ictx); |
| 362 | } |
| 363 | |
| 364 | /* |
| 365 | * Test that a GMM Detach will remove the MMCTX and the associated LLME but |
| 366 | * will not sent a Detach Accept message (power_off = 1) |
| 367 | */ |
| 368 | static void test_gmm_detach_power_off(void) |
| 369 | { |
| 370 | struct gprs_ra_id raid = { 0, }; |
| 371 | struct sgsn_mm_ctx *ctx, *ictx; |
| 372 | uint32_t local_tlli; |
Jacob Erlbeck | 189999d | 2014-10-27 14:34:13 +0100 | [diff] [blame] | 373 | |
| 374 | printf("Testing GMM detach (power off)\n"); |
| 375 | |
| 376 | /* DTAP - Detach Request (MO) */ |
| 377 | /* normal detach, power_off = 1 */ |
| 378 | static const unsigned char detach_req[] = { |
| 379 | 0x08, 0x05, 0x09, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 380 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
| 381 | }; |
| 382 | |
| 383 | local_tlli = gprs_tmsi2tlli(0x23, TLLI_LOCAL); |
| 384 | |
| 385 | /* Create a context */ |
| 386 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 387 | ctx = alloc_mm_ctx(local_tlli, &raid); |
| 388 | |
| 389 | /* inject the detach */ |
Jacob Erlbeck | 94ef1c0 | 2014-10-29 10:31:18 +0100 | [diff] [blame] | 390 | send_0408_message(ctx->llme, local_tlli, |
| 391 | detach_req, ARRAY_SIZE(detach_req)); |
Jacob Erlbeck | 189999d | 2014-10-27 14:34:13 +0100 | [diff] [blame] | 392 | |
| 393 | /* verify that no message (and therefore no Detach Accept) has been |
| 394 | * sent by the SGSN */ |
Jacob Erlbeck | 94ef1c0 | 2014-10-29 10:31:18 +0100 | [diff] [blame] | 395 | OSMO_ASSERT(sgsn_tx_counter == 0); |
Jacob Erlbeck | 189999d | 2014-10-27 14:34:13 +0100 | [diff] [blame] | 396 | |
Holger Hans Peter Freyther | fe92133 | 2014-10-02 22:24:47 +0200 | [diff] [blame] | 397 | /* verify that things are gone */ |
| 398 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 399 | ictx = sgsn_mm_ctx_by_tlli(local_tlli, &raid); |
Jacob Erlbeck | 258ce3d | 2014-09-30 13:51:45 +0200 | [diff] [blame] | 400 | OSMO_ASSERT(!ictx); |
Holger Hans Peter Freyther | fe92133 | 2014-10-02 22:24:47 +0200 | [diff] [blame] | 401 | } |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 402 | |
Jacob Erlbeck | 5a38f64 | 2014-10-21 13:09:55 +0200 | [diff] [blame] | 403 | /* |
| 404 | * Test that a GMM Detach will remove the associated LLME if there is no MMCTX. |
| 405 | */ |
| 406 | static void test_gmm_detach_no_mmctx(void) |
| 407 | { |
| 408 | struct gprs_llc_lle *lle; |
| 409 | uint32_t local_tlli; |
Jacob Erlbeck | 5a38f64 | 2014-10-21 13:09:55 +0200 | [diff] [blame] | 410 | |
| 411 | printf("Testing GMM detach (no MMCTX)\n"); |
| 412 | |
| 413 | /* DTAP - Detach Request (MO) */ |
| 414 | /* normal detach, power_off = 0 */ |
| 415 | static const unsigned char detach_req[] = { |
| 416 | 0x08, 0x05, 0x01, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 417 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
| 418 | }; |
| 419 | |
| 420 | /* Create an LLME */ |
| 421 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 422 | local_tlli = gprs_tmsi2tlli(0x23, TLLI_LOCAL); |
| 423 | lle = gprs_lle_get_or_create(local_tlli, 3); |
| 424 | |
| 425 | OSMO_ASSERT(count(gprs_llme_list()) == 1); |
| 426 | |
| 427 | /* inject the detach */ |
Jacob Erlbeck | 94ef1c0 | 2014-10-29 10:31:18 +0100 | [diff] [blame] | 428 | send_0408_message(lle->llme, local_tlli, |
| 429 | detach_req, ARRAY_SIZE(detach_req)); |
Jacob Erlbeck | 5a38f64 | 2014-10-21 13:09:55 +0200 | [diff] [blame] | 430 | |
| 431 | /* verify that the LLME is gone */ |
| 432 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 433 | } |
| 434 | |
Jacob Erlbeck | 14ae582 | 2014-10-28 09:47:03 +0100 | [diff] [blame] | 435 | /* |
Jacob Erlbeck | de4bbc7 | 2014-11-24 15:04:15 +0100 | [diff] [blame] | 436 | * Test that a single GMM Detach Accept message will not cause the SGSN to send |
| 437 | * any message or leave an MM context at the SGSN. |
| 438 | */ |
| 439 | static void test_gmm_detach_accept_unexpected(void) |
| 440 | { |
| 441 | struct gprs_llc_lle *lle; |
| 442 | uint32_t local_tlli; |
| 443 | |
| 444 | printf("Testing GMM detach accept (unexpected)\n"); |
| 445 | |
| 446 | /* DTAP - Detach Accept (MT) */ |
| 447 | /* normal detach */ |
| 448 | static const unsigned char detach_acc[] = { |
| 449 | 0x08, 0x06 |
| 450 | }; |
| 451 | |
| 452 | /* Create an LLME */ |
| 453 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 454 | local_tlli = gprs_tmsi2tlli(0x23, TLLI_LOCAL); |
| 455 | lle = gprs_lle_get_or_create(local_tlli, 3); |
| 456 | |
| 457 | /* inject the detach */ |
| 458 | send_0408_message(lle->llme, local_tlli, |
| 459 | detach_acc, ARRAY_SIZE(detach_acc)); |
| 460 | |
| 461 | /* verify that no message (and therefore no Status or XID reset) has been |
| 462 | * sent by the SGSN */ |
| 463 | OSMO_ASSERT(sgsn_tx_counter == 0); |
| 464 | |
| 465 | /* verify that things are gone */ |
| 466 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 467 | } |
| 468 | |
| 469 | /* |
Jacob Erlbeck | 14ae582 | 2014-10-28 09:47:03 +0100 | [diff] [blame] | 470 | * Test that a GMM Status will remove the associated LLME if there is no MMCTX. |
| 471 | */ |
| 472 | static void test_gmm_status_no_mmctx(void) |
| 473 | { |
| 474 | struct gprs_llc_lle *lle; |
| 475 | uint32_t local_tlli; |
Jacob Erlbeck | 14ae582 | 2014-10-28 09:47:03 +0100 | [diff] [blame] | 476 | |
| 477 | printf("Testing GMM Status (no MMCTX)\n"); |
| 478 | |
| 479 | /* DTAP - GMM Status, protocol error */ |
| 480 | static const unsigned char gmm_status[] = { |
| 481 | 0x08, 0x20, 0x6f |
| 482 | }; |
| 483 | |
| 484 | /* Create an LLME */ |
| 485 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 486 | local_tlli = gprs_tmsi2tlli(0x23, TLLI_LOCAL); |
| 487 | lle = gprs_lle_get_or_create(local_tlli, 3); |
| 488 | |
| 489 | OSMO_ASSERT(count(gprs_llme_list()) == 1); |
| 490 | |
| 491 | /* inject the detach */ |
Jacob Erlbeck | 94ef1c0 | 2014-10-29 10:31:18 +0100 | [diff] [blame] | 492 | send_0408_message(lle->llme, local_tlli, |
| 493 | gmm_status, ARRAY_SIZE(gmm_status)); |
Jacob Erlbeck | 14ae582 | 2014-10-28 09:47:03 +0100 | [diff] [blame] | 494 | |
| 495 | /* verify that no message has been sent by the SGSN */ |
Jacob Erlbeck | 94ef1c0 | 2014-10-29 10:31:18 +0100 | [diff] [blame] | 496 | OSMO_ASSERT(sgsn_tx_counter == 0); |
Jacob Erlbeck | 14ae582 | 2014-10-28 09:47:03 +0100 | [diff] [blame] | 497 | |
| 498 | /* verify that the LLME is gone */ |
| 499 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 500 | } |
| 501 | |
Jacob Erlbeck | 27cb4d5 | 2014-10-29 12:11:58 +0100 | [diff] [blame] | 502 | /* |
| 503 | * Test the GMM Attach procedure |
| 504 | */ |
| 505 | static void test_gmm_attach(void) |
| 506 | { |
| 507 | struct gprs_ra_id raid = { 0, }; |
| 508 | struct sgsn_mm_ctx *ctx = NULL; |
| 509 | struct sgsn_mm_ctx *ictx; |
Jacob Erlbeck | aec03a1 | 2014-11-24 14:40:28 +0100 | [diff] [blame] | 510 | uint32_t ptmsi1; |
Jacob Erlbeck | 27cb4d5 | 2014-10-29 12:11:58 +0100 | [diff] [blame] | 511 | uint32_t foreign_tlli; |
| 512 | uint32_t local_tlli = 0; |
| 513 | struct gprs_llc_lle *lle; |
| 514 | |
| 515 | /* DTAP - Attach Request */ |
| 516 | /* The P-TMSI is not known by the SGSN */ |
| 517 | static const unsigned char attach_req[] = { |
| 518 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, 0x05, 0xf4, |
| 519 | 0xfb, 0xc5, 0x46, 0x79, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 520 | 0x19, 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, |
| 521 | 0x80, 0x9a, 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 522 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00 |
| 523 | }; |
| 524 | |
| 525 | /* DTAP - Identity Response IMEI */ |
| 526 | static const unsigned char ident_resp_imei[] = { |
| 527 | 0x08, 0x16, 0x08, 0x9a, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, |
| 528 | 0x56 |
| 529 | }; |
| 530 | |
| 531 | /* DTAP - Identity Response IMSI */ |
| 532 | static const unsigned char ident_resp_imsi[] = { |
| 533 | 0x08, 0x16, 0x08, 0x19, 0x32, 0x54, 0x76, 0x98, 0x10, 0x32, |
| 534 | 0x54 |
| 535 | }; |
| 536 | |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 537 | /* DTAP - Authentication and Ciphering Resp */ |
| 538 | static const unsigned char auth_ciph_resp[] = { |
| 539 | 0x08, 0x13, 0x00, 0x22, 0x51, 0xe5, 0x51, 0xe5, 0x23, 0x09, |
| 540 | 0x9a, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x01 |
| 541 | }; |
| 542 | |
Jacob Erlbeck | 27cb4d5 | 2014-10-29 12:11:58 +0100 | [diff] [blame] | 543 | /* DTAP - Attach Complete */ |
| 544 | static const unsigned char attach_compl[] = { |
| 545 | 0x08, 0x03 |
| 546 | }; |
| 547 | |
| 548 | /* DTAP - Detach Request (MO) */ |
| 549 | /* normal detach, power_off = 0 */ |
| 550 | static const unsigned char detach_req[] = { |
| 551 | 0x08, 0x05, 0x01, 0x18, 0x05, 0xf4, 0xeb, 0x8b, |
| 552 | 0x45, 0x67, 0x19, 0x03, 0xb9, 0x97, 0xcb |
| 553 | }; |
| 554 | |
| 555 | printf("Testing GMM attach\n"); |
| 556 | |
| 557 | /* reset the PRNG used by sgsn_alloc_ptmsi */ |
| 558 | srand(1); |
| 559 | |
Jacob Erlbeck | aec03a1 | 2014-11-24 14:40:28 +0100 | [diff] [blame] | 560 | ptmsi1 = sgsn_alloc_ptmsi(); |
| 561 | OSMO_ASSERT(ptmsi1 != GSM_RESERVED_TMSI); |
| 562 | |
| 563 | /* reset the PRNG, so that the same P-TMSI sequence will be generated |
| 564 | * again */ |
| 565 | srand(1); |
| 566 | |
Jacob Erlbeck | 27cb4d5 | 2014-10-29 12:11:58 +0100 | [diff] [blame] | 567 | foreign_tlli = gprs_tmsi2tlli(0xc0000023, TLLI_FOREIGN); |
| 568 | |
| 569 | /* Create a LLE/LLME */ |
| 570 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 571 | lle = gprs_lle_get_or_create(foreign_tlli, 3); |
| 572 | OSMO_ASSERT(count(gprs_llme_list()) == 1); |
| 573 | |
| 574 | /* inject the attach request */ |
| 575 | send_0408_message(lle->llme, foreign_tlli, |
| 576 | attach_req, ARRAY_SIZE(attach_req)); |
| 577 | |
| 578 | ctx = sgsn_mm_ctx_by_tlli(foreign_tlli, &raid); |
| 579 | OSMO_ASSERT(ctx != NULL); |
| 580 | OSMO_ASSERT(ctx->mm_state == GMM_COMMON_PROC_INIT); |
| 581 | |
| 582 | /* we expect an identity request (IMEI) */ |
| 583 | OSMO_ASSERT(sgsn_tx_counter == 1); |
| 584 | |
| 585 | /* inject the identity response (IMEI) */ |
| 586 | send_0408_message(ctx->llme, foreign_tlli, |
| 587 | ident_resp_imei, ARRAY_SIZE(ident_resp_imei)); |
| 588 | |
| 589 | /* we expect an identity request (IMSI) */ |
| 590 | OSMO_ASSERT(sgsn_tx_counter == 1); |
| 591 | |
| 592 | /* inject the identity response (IMSI) */ |
| 593 | send_0408_message(ctx->llme, foreign_tlli, |
| 594 | ident_resp_imsi, ARRAY_SIZE(ident_resp_imsi)); |
| 595 | |
Jacob Erlbeck | 27cb4d5 | 2014-10-29 12:11:58 +0100 | [diff] [blame] | 596 | /* check that the MM context has not been removed due to a failed |
| 597 | * authorization */ |
| 598 | OSMO_ASSERT(ctx == sgsn_mm_ctx_by_tlli(foreign_tlli, &raid)); |
| 599 | |
Jacob Erlbeck | 0074a77 | 2014-10-28 16:23:46 +0100 | [diff] [blame] | 600 | OSMO_ASSERT(ctx->mm_state == GMM_COMMON_PROC_INIT); |
Jacob Erlbeck | 27cb4d5 | 2014-10-29 12:11:58 +0100 | [diff] [blame] | 601 | |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 602 | if (ctx->auth_state == SGSN_AUTH_AUTHENTICATE) { |
| 603 | /* we expect an auth & ciph request */ |
| 604 | OSMO_ASSERT(sgsn_tx_counter == 1); |
| 605 | |
| 606 | /* inject the auth & ciph response */ |
| 607 | send_0408_message(ctx->llme, foreign_tlli, |
| 608 | auth_ciph_resp, ARRAY_SIZE(auth_ciph_resp)); |
| 609 | |
| 610 | /* check that the MM context has not been removed due to a |
| 611 | * failed authorization */ |
| 612 | OSMO_ASSERT(ctx == sgsn_mm_ctx_by_tlli(foreign_tlli, &raid)); |
| 613 | } |
| 614 | |
Jacob Erlbeck | 27cb4d5 | 2014-10-29 12:11:58 +0100 | [diff] [blame] | 615 | /* we expect an attach accept/reject */ |
| 616 | OSMO_ASSERT(sgsn_tx_counter == 1); |
| 617 | |
| 618 | /* this has been randomly assigned by the SGSN */ |
Jacob Erlbeck | aec03a1 | 2014-11-24 14:40:28 +0100 | [diff] [blame] | 619 | local_tlli = gprs_tmsi2tlli(ptmsi1, TLLI_LOCAL); |
Jacob Erlbeck | 27cb4d5 | 2014-10-29 12:11:58 +0100 | [diff] [blame] | 620 | |
| 621 | /* inject the attach complete */ |
| 622 | send_0408_message(ctx->llme, local_tlli, |
| 623 | attach_compl, ARRAY_SIZE(attach_compl)); |
| 624 | |
| 625 | OSMO_ASSERT(ctx->mm_state == GMM_REGISTERED_NORMAL); |
| 626 | |
| 627 | /* we don't expect a response */ |
| 628 | OSMO_ASSERT(sgsn_tx_counter == 0); |
| 629 | |
| 630 | /* inject the detach */ |
| 631 | send_0408_message(ctx->llme, local_tlli, |
| 632 | detach_req, ARRAY_SIZE(detach_req)); |
| 633 | |
| 634 | /* verify that things are gone */ |
| 635 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 636 | ictx = sgsn_mm_ctx_by_tlli(local_tlli, &raid); |
| 637 | OSMO_ASSERT(!ictx); |
Jacob Erlbeck | be2c8d9 | 2014-11-12 10:18:09 +0100 | [diff] [blame] | 638 | } |
Jacob Erlbeck | 0c06f98 | 2014-10-29 22:12:20 +0100 | [diff] [blame] | 639 | |
Jacob Erlbeck | be2c8d9 | 2014-11-12 10:18:09 +0100 | [diff] [blame] | 640 | static void test_gmm_attach_acl(void) |
| 641 | { |
| 642 | const enum sgsn_auth_policy saved_auth_policy = sgsn->cfg.auth_policy; |
| 643 | |
| 644 | sgsn_inst.cfg.auth_policy = SGSN_AUTH_POLICY_CLOSED; |
| 645 | sgsn_acl_add("123456789012345", &sgsn->cfg); |
| 646 | printf("Auth policy 'closed': "); |
| 647 | test_gmm_attach(); |
Jacob Erlbeck | 0c06f98 | 2014-10-29 22:12:20 +0100 | [diff] [blame] | 648 | sgsn_acl_del("123456789012345", &sgsn->cfg); |
Jacob Erlbeck | be2c8d9 | 2014-11-12 10:18:09 +0100 | [diff] [blame] | 649 | |
| 650 | sgsn->cfg.auth_policy = saved_auth_policy; |
| 651 | } |
| 652 | |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 653 | int my_subscr_request_update_location(struct sgsn_mm_ctx *mmctx) { |
Jacob Erlbeck | be2c8d9 | 2014-11-12 10:18:09 +0100 | [diff] [blame] | 654 | int rc; |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 655 | rc = __real_gprs_subscr_request_update_location(mmctx); |
Jacob Erlbeck | be2c8d9 | 2014-11-12 10:18:09 +0100 | [diff] [blame] | 656 | if (rc == -ENOTSUP) { |
| 657 | OSMO_ASSERT(mmctx->subscr); |
| 658 | gprs_subscr_update(mmctx->subscr); |
| 659 | } |
| 660 | return rc; |
| 661 | }; |
| 662 | |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 663 | int my_subscr_request_auth_info(struct sgsn_mm_ctx *mmctx) { |
| 664 | gprs_subscr_update(mmctx->subscr); |
| 665 | return 0; |
| 666 | }; |
| 667 | |
Jacob Erlbeck | be2c8d9 | 2014-11-12 10:18:09 +0100 | [diff] [blame] | 668 | static void test_gmm_attach_subscr(void) |
| 669 | { |
| 670 | const enum sgsn_auth_policy saved_auth_policy = sgsn->cfg.auth_policy; |
| 671 | struct gsm_subscriber *subscr; |
| 672 | |
| 673 | sgsn_inst.cfg.auth_policy = SGSN_AUTH_POLICY_REMOTE; |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 674 | subscr_request_update_location_cb = my_subscr_request_update_location; |
| 675 | subscr_request_auth_info_cb = my_subscr_request_auth_info; |
Jacob Erlbeck | be2c8d9 | 2014-11-12 10:18:09 +0100 | [diff] [blame] | 676 | |
| 677 | subscr = gprs_subscr_get_or_create("123456789012345"); |
| 678 | subscr->authorized = 1; |
| 679 | subscr_put(subscr); |
| 680 | |
| 681 | printf("Auth policy 'remote': "); |
| 682 | test_gmm_attach(); |
| 683 | |
| 684 | subscr = gprs_subscr_get_by_imsi("123456789012345"); |
| 685 | OSMO_ASSERT(subscr != NULL); |
| 686 | gprs_subscr_delete(subscr); |
| 687 | |
| 688 | sgsn->cfg.auth_policy = saved_auth_policy; |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 689 | subscr_request_update_location_cb = __real_gprs_subscr_request_update_location; |
| 690 | subscr_request_auth_info_cb = __real_gprs_subscr_request_auth_info; |
Jacob Erlbeck | 27cb4d5 | 2014-10-29 12:11:58 +0100 | [diff] [blame] | 691 | } |
| 692 | |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 693 | int my_subscr_request_auth_info_fake_auth(struct sgsn_mm_ctx *mmctx) |
| 694 | { |
| 695 | /* Fake an authentication */ |
| 696 | OSMO_ASSERT(mmctx->subscr); |
| 697 | mmctx->is_authenticated = 1; |
| 698 | gprs_subscr_update_auth_info(mmctx->subscr); |
Jacob Erlbeck | 2e5e94c | 2014-12-08 15:26:47 +0100 | [diff] [blame] | 699 | |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 700 | return 0; |
Jacob Erlbeck | 2e5e94c | 2014-12-08 15:26:47 +0100 | [diff] [blame] | 701 | }; |
| 702 | |
| 703 | static void test_gmm_attach_subscr_fake_auth(void) |
| 704 | { |
| 705 | const enum sgsn_auth_policy saved_auth_policy = sgsn->cfg.auth_policy; |
| 706 | struct gsm_subscriber *subscr; |
| 707 | |
| 708 | sgsn_inst.cfg.auth_policy = SGSN_AUTH_POLICY_REMOTE; |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 709 | subscr_request_update_location_cb = my_subscr_request_update_location; |
| 710 | subscr_request_auth_info_cb = my_subscr_request_auth_info_fake_auth; |
Jacob Erlbeck | 2e5e94c | 2014-12-08 15:26:47 +0100 | [diff] [blame] | 711 | |
| 712 | subscr = gprs_subscr_get_or_create("123456789012345"); |
| 713 | subscr->authorized = 1; |
| 714 | subscr->sgsn_data->authenticate = 1; |
| 715 | subscr_put(subscr); |
| 716 | |
| 717 | printf("Auth policy 'remote', auth faked: "); |
| 718 | test_gmm_attach(); |
| 719 | |
| 720 | subscr = gprs_subscr_get_by_imsi("123456789012345"); |
| 721 | OSMO_ASSERT(subscr != NULL); |
| 722 | gprs_subscr_delete(subscr); |
| 723 | |
| 724 | sgsn->cfg.auth_policy = saved_auth_policy; |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 725 | subscr_request_update_location_cb = __real_gprs_subscr_request_update_location; |
| 726 | subscr_request_auth_info_cb = __real_gprs_subscr_request_auth_info; |
| 727 | } |
| 728 | |
| 729 | int my_subscr_request_auth_info_real_auth(struct sgsn_mm_ctx *mmctx) |
| 730 | { |
| 731 | struct gsm_auth_tuple at = { |
| 732 | .sres = {0x51, 0xe5, 0x51, 0xe5}, |
| 733 | .key_seq = 0 |
| 734 | }; |
| 735 | |
| 736 | /* Fake an authentication */ |
| 737 | OSMO_ASSERT(mmctx->subscr); |
| 738 | mmctx->subscr->sgsn_data->auth_triplets[0] = at; |
| 739 | |
| 740 | gprs_subscr_update_auth_info(mmctx->subscr); |
| 741 | |
| 742 | return 0; |
| 743 | }; |
| 744 | |
| 745 | static void test_gmm_attach_subscr_real_auth(void) |
| 746 | { |
| 747 | const enum sgsn_auth_policy saved_auth_policy = sgsn->cfg.auth_policy; |
| 748 | struct gsm_subscriber *subscr; |
| 749 | |
| 750 | sgsn_inst.cfg.auth_policy = SGSN_AUTH_POLICY_REMOTE; |
| 751 | subscr_request_update_location_cb = my_subscr_request_update_location; |
| 752 | subscr_request_auth_info_cb = my_subscr_request_auth_info_real_auth; |
| 753 | |
| 754 | subscr = gprs_subscr_get_or_create("123456789012345"); |
| 755 | subscr->authorized = 1; |
| 756 | subscr->sgsn_data->authenticate = 1; |
| 757 | subscr_put(subscr); |
| 758 | |
| 759 | printf("Auth policy 'remote', triplet based auth: "); |
| 760 | test_gmm_attach(); |
| 761 | |
| 762 | subscr = gprs_subscr_get_by_imsi("123456789012345"); |
| 763 | OSMO_ASSERT(subscr != NULL); |
| 764 | gprs_subscr_delete(subscr); |
| 765 | |
| 766 | sgsn->cfg.auth_policy = saved_auth_policy; |
| 767 | subscr_request_update_location_cb = __real_gprs_subscr_request_update_location; |
| 768 | subscr_request_auth_info_cb = __real_gprs_subscr_request_auth_info; |
Jacob Erlbeck | 2e5e94c | 2014-12-08 15:26:47 +0100 | [diff] [blame] | 769 | } |
| 770 | |
Jacob Erlbeck | 80d07e3 | 2014-11-06 13:43:41 +0100 | [diff] [blame] | 771 | /* |
| 772 | * Test the GMM Rejects |
| 773 | */ |
| 774 | static void test_gmm_reject(void) |
| 775 | { |
| 776 | struct gprs_ra_id raid = { 0, }; |
| 777 | struct sgsn_mm_ctx *ctx = NULL; |
| 778 | uint32_t foreign_tlli; |
| 779 | struct gprs_llc_lle *lle; |
| 780 | int idx; |
| 781 | |
| 782 | /* DTAP - Attach Request */ |
| 783 | /* Invalid MI length */ |
| 784 | static const unsigned char attach_req_inv_mi_len[] = { |
| 785 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, 0x09, 0xf4, |
| 786 | 0xfb, 0xc5, 0x46, 0x79, 0xff, 0xff, 0xff, 0xff, 0x11, 0x22, |
| 787 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, 0x2b, 0x25, |
| 788 | 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, 0xc2, 0xc6, 0x62, 0x00, |
| 789 | 0x60, 0x80, 0xba, 0xc8, 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00 |
| 790 | }; |
| 791 | |
| 792 | /* DTAP - Attach Request */ |
| 793 | /* Invalid MI type (IMEI) */ |
| 794 | static const unsigned char attach_req_inv_mi_type[] = { |
| 795 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, 0x05, 0xf2, |
| 796 | 0xfb, 0xc5, 0x46, 0x79, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 797 | 0x19, 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, |
| 798 | 0x80, 0x9a, 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 799 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00 |
| 800 | }; |
| 801 | |
| 802 | /* DTAP - Routing Area Update Request */ |
| 803 | static const unsigned char dtap_ra_upd_req[] = { |
| 804 | 0x08, 0x08, 0x10, 0x11, 0x22, 0x33, 0x40, 0x50, |
| 805 | 0x60, 0x1d, 0x19, 0x13, 0x42, 0x33, 0x57, 0x2b, |
| 806 | 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, 0x50, 0xc8, |
| 807 | 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, 0x48, 0x02, |
| 808 | 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, 0x00, 0x19, |
| 809 | 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, 0x07, 0x04, |
| 810 | 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, 0x20, 0x00 |
| 811 | }; |
| 812 | |
| 813 | /* DTAP - Routing Area Update Request */ |
| 814 | /* Invalid type: GPRS_UPD_T_RA_LA_IMSI_ATT */ |
| 815 | static const unsigned char dtap_ra_upd_req_inv_type[] = { |
| 816 | 0x08, 0x08, 0x12, 0x11, 0x22, 0x33, 0x40, 0x50, |
| 817 | 0x60, 0x1d, 0x19, 0x13, 0x42, 0x33, 0x57, 0x2b, |
| 818 | 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, 0x50, 0xc8, |
| 819 | 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, 0x48, 0x02, |
| 820 | 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, 0x00, 0x19, |
| 821 | 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, 0x07, 0x04, |
| 822 | 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, 0x20, 0x00 |
| 823 | }; |
| 824 | |
| 825 | /* DTAP - Routing Area Update Request */ |
| 826 | /* Invalid cap length */ |
| 827 | static const unsigned char dtap_ra_upd_req_inv_cap_len[] = { |
| 828 | 0x08, 0x08, 0x10, 0x11, 0x22, 0x33, 0x40, 0x50, |
| 829 | 0x60, 0x3d, 0x19, 0x13, 0x42, 0x33, 0x57, 0x2b, |
| 830 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 831 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
| 832 | 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, 0x50, 0xc8, |
| 833 | 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, 0x48, 0x02, |
| 834 | 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, 0x00, 0x19, |
| 835 | 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, 0x07, 0x04, |
| 836 | 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, 0x20, 0x00 |
| 837 | }; |
| 838 | |
| 839 | struct test { |
| 840 | const char *title; |
| 841 | const unsigned char *msg; |
| 842 | unsigned msg_len; |
| 843 | unsigned num_resp; |
| 844 | |
| 845 | }; |
| 846 | static struct test tests[] = { |
| 847 | { |
| 848 | .title = "Attach Request (invalid MI length)", |
| 849 | .msg = attach_req_inv_mi_len, |
| 850 | .msg_len = sizeof(attach_req_inv_mi_len), |
| 851 | .num_resp = 1 /* Reject */ |
| 852 | |
| 853 | }, |
| 854 | { |
| 855 | .title = "Attach Request (invalid MI type)", |
| 856 | .msg = attach_req_inv_mi_type, |
| 857 | .msg_len = sizeof(attach_req_inv_mi_type), |
| 858 | .num_resp = 1 /* Reject */ |
| 859 | }, |
| 860 | { |
| 861 | .title = "Routing Area Update Request (valid)", |
| 862 | .msg = dtap_ra_upd_req, |
| 863 | .msg_len = sizeof(dtap_ra_upd_req), |
| 864 | .num_resp = 2 /* XID Reset + Reject */ |
| 865 | }, |
| 866 | { |
| 867 | .title = "Routing Area Update Request (invalid type)", |
| 868 | .msg = dtap_ra_upd_req_inv_type, |
| 869 | .msg_len = sizeof(dtap_ra_upd_req_inv_type), |
| 870 | .num_resp = 1 /* Reject */ |
| 871 | }, |
| 872 | { |
| 873 | .title = "Routing Area Update Request (invalid CAP length)", |
| 874 | .msg = dtap_ra_upd_req_inv_cap_len, |
| 875 | .msg_len = sizeof(dtap_ra_upd_req_inv_cap_len), |
| 876 | .num_resp = 1 /* Reject */ |
| 877 | }, |
| 878 | }; |
| 879 | |
| 880 | printf("Testing GMM reject\n"); |
| 881 | |
| 882 | /* reset the PRNG used by sgsn_alloc_ptmsi */ |
| 883 | srand(1); |
| 884 | |
| 885 | foreign_tlli = gprs_tmsi2tlli(0xc0000023, TLLI_FOREIGN); |
| 886 | |
| 887 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 888 | |
| 889 | for (idx = 0; idx < ARRAY_SIZE(tests); idx++) { |
| 890 | const struct test *test = &tests[idx]; |
| 891 | printf(" - %s\n", test->title); |
| 892 | |
| 893 | /* Create a LLE/LLME */ |
| 894 | lle = gprs_lle_get_or_create(foreign_tlli, 3); |
| 895 | OSMO_ASSERT(count(gprs_llme_list()) == 1); |
| 896 | |
| 897 | /* Inject the Request message */ |
| 898 | send_0408_message(lle->llme, foreign_tlli, |
| 899 | test->msg, test->msg_len); |
| 900 | |
| 901 | /* We expect a Reject message */ |
| 902 | fprintf(stderr, "sgsn_tx_counter = %d (expected %d)\n", |
| 903 | sgsn_tx_counter, test->num_resp); |
| 904 | OSMO_ASSERT(sgsn_tx_counter == test->num_resp); |
| 905 | |
| 906 | /* verify that LLME/MM are removed */ |
| 907 | ctx = sgsn_mm_ctx_by_tlli(foreign_tlli, &raid); |
| 908 | OSMO_ASSERT(ctx == NULL); |
| 909 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 910 | } |
| 911 | } |
| 912 | |
Jacob Erlbeck | f6e7d99 | 2014-11-06 15:43:10 +0100 | [diff] [blame] | 913 | /* |
Jacob Erlbeck | 98647ca | 2014-11-11 14:47:38 +0100 | [diff] [blame] | 914 | * Test cancellation of attached MM contexts |
| 915 | */ |
| 916 | static void test_gmm_cancel(void) |
| 917 | { |
| 918 | struct gprs_ra_id raid = { 0, }; |
| 919 | struct sgsn_mm_ctx *ctx = NULL; |
| 920 | struct sgsn_mm_ctx *ictx; |
| 921 | uint32_t ptmsi1; |
| 922 | uint32_t foreign_tlli; |
| 923 | uint32_t local_tlli = 0; |
| 924 | struct gprs_llc_lle *lle; |
| 925 | const enum sgsn_auth_policy saved_auth_policy = sgsn->cfg.auth_policy; |
| 926 | |
| 927 | /* DTAP - Attach Request */ |
| 928 | /* The P-TMSI is not known by the SGSN */ |
| 929 | static const unsigned char attach_req[] = { |
| 930 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, 0x05, 0xf4, |
| 931 | 0xfb, 0xc5, 0x46, 0x79, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 932 | 0x19, 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, |
| 933 | 0x80, 0x9a, 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 934 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00 |
| 935 | }; |
| 936 | |
| 937 | /* DTAP - Identity Response IMEI */ |
| 938 | static const unsigned char ident_resp_imei[] = { |
| 939 | 0x08, 0x16, 0x08, 0x9a, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, |
| 940 | 0x56 |
| 941 | }; |
| 942 | |
| 943 | /* DTAP - Identity Response IMSI */ |
| 944 | static const unsigned char ident_resp_imsi[] = { |
| 945 | 0x08, 0x16, 0x08, 0x19, 0x32, 0x54, 0x76, 0x98, 0x10, 0x32, |
| 946 | 0x54 |
| 947 | }; |
| 948 | |
| 949 | /* DTAP - Attach Complete */ |
| 950 | static const unsigned char attach_compl[] = { |
| 951 | 0x08, 0x03 |
| 952 | }; |
| 953 | |
| 954 | printf("Testing cancellation\n"); |
| 955 | |
| 956 | sgsn_inst.cfg.auth_policy = SGSN_AUTH_POLICY_OPEN; |
| 957 | |
| 958 | /* reset the PRNG used by sgsn_alloc_ptmsi */ |
| 959 | srand(1); |
| 960 | |
| 961 | ptmsi1 = sgsn_alloc_ptmsi(); |
| 962 | OSMO_ASSERT(ptmsi1 != GSM_RESERVED_TMSI); |
| 963 | |
| 964 | /* reset the PRNG, so that the same P-TMSI sequence will be generated |
| 965 | * again */ |
| 966 | srand(1); |
| 967 | |
| 968 | foreign_tlli = gprs_tmsi2tlli(0xc0000023, TLLI_FOREIGN); |
| 969 | |
| 970 | /* Create a LLE/LLME */ |
| 971 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 972 | lle = gprs_lle_get_or_create(foreign_tlli, 3); |
| 973 | OSMO_ASSERT(count(gprs_llme_list()) == 1); |
| 974 | |
| 975 | /* inject the attach request */ |
| 976 | send_0408_message(lle->llme, foreign_tlli, |
| 977 | attach_req, ARRAY_SIZE(attach_req)); |
| 978 | |
| 979 | ctx = sgsn_mm_ctx_by_tlli(foreign_tlli, &raid); |
| 980 | OSMO_ASSERT(ctx != NULL); |
| 981 | OSMO_ASSERT(ctx->mm_state == GMM_COMMON_PROC_INIT); |
| 982 | |
| 983 | /* we expect an identity request (IMEI) */ |
| 984 | OSMO_ASSERT(sgsn_tx_counter == 1); |
| 985 | |
| 986 | /* inject the identity response (IMEI) */ |
| 987 | send_0408_message(ctx->llme, foreign_tlli, |
| 988 | ident_resp_imei, ARRAY_SIZE(ident_resp_imei)); |
| 989 | |
| 990 | /* we expect an identity request (IMSI) */ |
| 991 | OSMO_ASSERT(sgsn_tx_counter == 1); |
| 992 | |
| 993 | /* inject the identity response (IMSI) */ |
| 994 | send_0408_message(ctx->llme, foreign_tlli, |
| 995 | ident_resp_imsi, ARRAY_SIZE(ident_resp_imsi)); |
| 996 | |
| 997 | /* check that the MM context has not been removed due to a failed |
| 998 | * authorization */ |
| 999 | OSMO_ASSERT(ctx == sgsn_mm_ctx_by_tlli(foreign_tlli, &raid)); |
| 1000 | |
| 1001 | OSMO_ASSERT(ctx->mm_state == GMM_COMMON_PROC_INIT); |
| 1002 | |
| 1003 | /* we expect an attach accept/reject */ |
| 1004 | OSMO_ASSERT(sgsn_tx_counter == 1); |
| 1005 | |
| 1006 | /* this has been randomly assigned by the SGSN */ |
| 1007 | local_tlli = gprs_tmsi2tlli(ptmsi1, TLLI_LOCAL); |
| 1008 | |
| 1009 | /* inject the attach complete */ |
| 1010 | send_0408_message(ctx->llme, local_tlli, |
| 1011 | attach_compl, ARRAY_SIZE(attach_compl)); |
| 1012 | |
| 1013 | OSMO_ASSERT(ctx->mm_state == GMM_REGISTERED_NORMAL); |
| 1014 | |
| 1015 | /* we don't expect a response */ |
| 1016 | OSMO_ASSERT(sgsn_tx_counter == 0); |
| 1017 | |
| 1018 | /* cancel */ |
| 1019 | gsm0408_gprs_access_cancelled(ctx); |
| 1020 | |
| 1021 | /* verify that things are gone */ |
| 1022 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 1023 | ictx = sgsn_mm_ctx_by_tlli(local_tlli, &raid); |
| 1024 | OSMO_ASSERT(!ictx); |
| 1025 | |
| 1026 | sgsn->cfg.auth_policy = saved_auth_policy; |
| 1027 | } |
| 1028 | |
| 1029 | /* |
Jacob Erlbeck | f6e7d99 | 2014-11-06 15:43:10 +0100 | [diff] [blame] | 1030 | * Test the dynamic allocation of P-TMSIs |
| 1031 | */ |
| 1032 | static void test_gmm_ptmsi_allocation(void) |
| 1033 | { |
| 1034 | struct gprs_ra_id raid = { 0, }; |
| 1035 | struct sgsn_mm_ctx *ctx = NULL; |
| 1036 | struct sgsn_mm_ctx *ictx; |
| 1037 | uint32_t foreign_tlli; |
| 1038 | uint32_t ptmsi1; |
| 1039 | uint32_t ptmsi2; |
| 1040 | uint32_t old_ptmsi; |
| 1041 | uint32_t local_tlli = 0; |
| 1042 | struct gprs_llc_lle *lle; |
| 1043 | const enum sgsn_auth_policy saved_auth_policy = sgsn->cfg.auth_policy; |
| 1044 | |
| 1045 | /* DTAP - Attach Request (IMSI 12131415161718) */ |
| 1046 | static const unsigned char attach_req[] = { |
| 1047 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 1048 | 0x08, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 1049 | 0x18, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, 0x19, |
| 1050 | 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, 0x62, 0x00, |
| 1051 | 0x60, 0x80, 0x9a, 0xc2, 0xc6, 0x62, 0x00, 0x60, |
| 1052 | 0x80, 0xba, 0xc8, 0xc6, 0x62, 0x00, 0x60, 0x80, |
| 1053 | 0x00, |
| 1054 | }; |
| 1055 | |
| 1056 | /* DTAP - Identity Response IMEI */ |
| 1057 | static const unsigned char ident_resp_imei[] = { |
| 1058 | 0x08, 0x16, 0x08, 0x9a, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, |
| 1059 | 0x56 |
| 1060 | }; |
| 1061 | |
| 1062 | /* DTAP - Attach Complete */ |
| 1063 | static const unsigned char attach_compl[] = { |
| 1064 | 0x08, 0x03 |
| 1065 | }; |
| 1066 | |
| 1067 | /* DTAP - Routing Area Update Request */ |
| 1068 | static const unsigned char ra_upd_req[] = { |
| 1069 | 0x08, 0x08, 0x10, 0x11, 0x22, 0x33, 0x40, 0x50, |
| 1070 | 0x60, 0x1d, 0x19, 0x13, 0x42, 0x33, 0x57, 0x2b, |
| 1071 | 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, 0x50, 0xc8, |
| 1072 | 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, 0x48, 0x02, |
| 1073 | 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, 0x00, 0x19, |
| 1074 | 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, 0x07, 0x04, |
| 1075 | 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, 0x20, 0x00 |
| 1076 | }; |
| 1077 | |
| 1078 | /* DTAP - Routing Area Update Complete */ |
| 1079 | static const unsigned char ra_upd_complete[] = { |
| 1080 | 0x08, 0x0a |
| 1081 | }; |
| 1082 | |
| 1083 | /* DTAP - Detach Request (MO) */ |
| 1084 | /* normal detach, power_off = 1 */ |
| 1085 | static const unsigned char detach_req[] = { |
| 1086 | 0x08, 0x05, 0x09, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 1087 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
| 1088 | }; |
| 1089 | |
| 1090 | sgsn->cfg.auth_policy = SGSN_AUTH_POLICY_OPEN; |
| 1091 | |
| 1092 | printf("Testing P-TMSI allocation\n"); |
| 1093 | |
| 1094 | printf(" - sgsn_alloc_ptmsi\n"); |
| 1095 | |
| 1096 | /* reset the PRNG used by sgsn_alloc_ptmsi */ |
| 1097 | srand(1); |
| 1098 | |
| 1099 | ptmsi1 = sgsn_alloc_ptmsi(); |
| 1100 | OSMO_ASSERT(ptmsi1 != GSM_RESERVED_TMSI); |
| 1101 | |
| 1102 | ptmsi2 = sgsn_alloc_ptmsi(); |
| 1103 | OSMO_ASSERT(ptmsi2 != GSM_RESERVED_TMSI); |
| 1104 | |
| 1105 | OSMO_ASSERT(ptmsi1 != ptmsi2); |
| 1106 | |
| 1107 | printf(" - Repeated Attach Request\n"); |
| 1108 | |
| 1109 | /* reset the PRNG, so that the same P-TMSI will be generated |
| 1110 | * again */ |
| 1111 | srand(1); |
| 1112 | |
| 1113 | foreign_tlli = gprs_tmsi2tlli(0xc0000023, TLLI_FOREIGN); |
| 1114 | |
| 1115 | /* Create a LLE/LLME */ |
| 1116 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 1117 | lle = gprs_lle_get_or_create(foreign_tlli, 3); |
| 1118 | OSMO_ASSERT(count(gprs_llme_list()) == 1); |
| 1119 | |
| 1120 | /* inject the attach request */ |
| 1121 | send_0408_message(lle->llme, foreign_tlli, |
| 1122 | attach_req, ARRAY_SIZE(attach_req)); |
| 1123 | |
| 1124 | ctx = sgsn_mm_ctx_by_tlli(foreign_tlli, &raid); |
| 1125 | OSMO_ASSERT(ctx != NULL); |
| 1126 | OSMO_ASSERT(ctx->mm_state == GMM_COMMON_PROC_INIT); |
| 1127 | OSMO_ASSERT(ctx->p_tmsi == ptmsi1); |
| 1128 | |
| 1129 | old_ptmsi = ctx->p_tmsi_old; |
| 1130 | |
| 1131 | /* we expect an identity request (IMEI) */ |
| 1132 | OSMO_ASSERT(sgsn_tx_counter == 1); |
| 1133 | |
| 1134 | /* inject the identity response (IMEI) */ |
| 1135 | send_0408_message(ctx->llme, foreign_tlli, |
| 1136 | ident_resp_imei, ARRAY_SIZE(ident_resp_imei)); |
| 1137 | |
| 1138 | /* check that the MM context has not been removed due to a failed |
| 1139 | * authorization */ |
| 1140 | OSMO_ASSERT(ctx == sgsn_mm_ctx_by_tlli(foreign_tlli, &raid)); |
| 1141 | |
| 1142 | OSMO_ASSERT(ctx->mm_state == GMM_COMMON_PROC_INIT); |
| 1143 | OSMO_ASSERT(ctx->p_tmsi == ptmsi1); |
| 1144 | |
| 1145 | /* we expect an attach accept */ |
| 1146 | OSMO_ASSERT(sgsn_tx_counter == 1); |
| 1147 | |
| 1148 | /* we ignore this and send the attach again */ |
| 1149 | send_0408_message(lle->llme, foreign_tlli, |
| 1150 | attach_req, ARRAY_SIZE(attach_req)); |
| 1151 | |
| 1152 | /* the allocated P-TMSI should be the same */ |
| 1153 | ctx = sgsn_mm_ctx_by_tlli(foreign_tlli, &raid); |
| 1154 | OSMO_ASSERT(ctx != NULL); |
| 1155 | OSMO_ASSERT(ctx->mm_state == GMM_COMMON_PROC_INIT); |
| 1156 | OSMO_ASSERT(ctx->p_tmsi_old == old_ptmsi); |
| 1157 | OSMO_ASSERT(ctx->p_tmsi == ptmsi1); |
| 1158 | |
| 1159 | /* inject the attach complete */ |
| 1160 | local_tlli = gprs_tmsi2tlli(ptmsi1, TLLI_LOCAL); |
| 1161 | send_0408_message(ctx->llme, local_tlli, |
| 1162 | attach_compl, ARRAY_SIZE(attach_compl)); |
| 1163 | |
| 1164 | /* we don't expect a response */ |
| 1165 | OSMO_ASSERT(sgsn_tx_counter == 0); |
| 1166 | |
| 1167 | OSMO_ASSERT(ctx->mm_state == GMM_REGISTERED_NORMAL); |
| 1168 | OSMO_ASSERT(ctx->p_tmsi_old == 0); |
| 1169 | OSMO_ASSERT(ctx->p_tmsi == ptmsi1); |
| 1170 | |
| 1171 | printf(" - Repeated RA Update Request\n"); |
| 1172 | |
| 1173 | /* inject the RA update request */ |
| 1174 | send_0408_message(ctx->llme, local_tlli, |
| 1175 | ra_upd_req, ARRAY_SIZE(ra_upd_req)); |
| 1176 | |
| 1177 | /* we expect an RA update accept */ |
| 1178 | OSMO_ASSERT(sgsn_tx_counter == 1); |
| 1179 | |
| 1180 | OSMO_ASSERT(ctx->mm_state == GMM_COMMON_PROC_INIT); |
| 1181 | OSMO_ASSERT(ctx->p_tmsi_old == ptmsi1); |
| 1182 | OSMO_ASSERT(ctx->p_tmsi == ptmsi2); |
| 1183 | |
| 1184 | /* repeat the RA update request */ |
| 1185 | send_0408_message(ctx->llme, local_tlli, |
| 1186 | ra_upd_req, ARRAY_SIZE(ra_upd_req)); |
| 1187 | |
| 1188 | /* we expect an RA update accept */ |
| 1189 | OSMO_ASSERT(sgsn_tx_counter == 1); |
| 1190 | |
| 1191 | OSMO_ASSERT(ctx->mm_state == GMM_COMMON_PROC_INIT); |
| 1192 | OSMO_ASSERT(ctx->p_tmsi_old == ptmsi1); |
| 1193 | OSMO_ASSERT(ctx->p_tmsi == ptmsi2); |
| 1194 | |
| 1195 | /* inject the RA update complete */ |
| 1196 | local_tlli = gprs_tmsi2tlli(ptmsi2, TLLI_LOCAL); |
| 1197 | send_0408_message(ctx->llme, local_tlli, |
| 1198 | ra_upd_complete, ARRAY_SIZE(ra_upd_complete)); |
| 1199 | |
| 1200 | /* we don't expect a response */ |
| 1201 | OSMO_ASSERT(sgsn_tx_counter == 0); |
| 1202 | |
| 1203 | OSMO_ASSERT(ctx->mm_state == GMM_REGISTERED_NORMAL); |
| 1204 | OSMO_ASSERT(ctx->p_tmsi_old == 0); |
| 1205 | OSMO_ASSERT(ctx->p_tmsi == ptmsi2); |
| 1206 | |
| 1207 | /* inject the detach */ |
| 1208 | send_0408_message(ctx->llme, local_tlli, |
| 1209 | detach_req, ARRAY_SIZE(detach_req)); |
| 1210 | |
| 1211 | /* verify that things are gone */ |
| 1212 | OSMO_ASSERT(count(gprs_llme_list()) == 0); |
| 1213 | ictx = sgsn_mm_ctx_by_tlli(local_tlli, &raid); |
| 1214 | OSMO_ASSERT(!ictx); |
| 1215 | |
| 1216 | sgsn->cfg.auth_policy = saved_auth_policy; |
| 1217 | } |
| 1218 | |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 1219 | static struct log_info_cat gprs_categories[] = { |
| 1220 | [DMM] = { |
| 1221 | .name = "DMM", |
| 1222 | .description = "Layer3 Mobility Management (MM)", |
| 1223 | .color = "\033[1;33m", |
Jacob Erlbeck | 27cb4d5 | 2014-10-29 12:11:58 +0100 | [diff] [blame] | 1224 | .enabled = 1, .loglevel = LOGL_DEBUG, |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 1225 | }, |
| 1226 | [DPAG] = { |
| 1227 | .name = "DPAG", |
| 1228 | .description = "Paging Subsystem", |
| 1229 | .color = "\033[1;38m", |
| 1230 | .enabled = 1, .loglevel = LOGL_NOTICE, |
| 1231 | }, |
| 1232 | [DMEAS] = { |
| 1233 | .name = "DMEAS", |
| 1234 | .description = "Radio Measurement Processing", |
| 1235 | .enabled = 0, .loglevel = LOGL_NOTICE, |
| 1236 | }, |
| 1237 | [DREF] = { |
| 1238 | .name = "DREF", |
| 1239 | .description = "Reference Counting", |
| 1240 | .enabled = 0, .loglevel = LOGL_NOTICE, |
| 1241 | }, |
| 1242 | [DGPRS] = { |
| 1243 | .name = "DGPRS", |
| 1244 | .description = "GPRS Packet Service", |
| 1245 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1246 | }, |
| 1247 | [DNS] = { |
| 1248 | .name = "DNS", |
| 1249 | .description = "GPRS Network Service (NS)", |
| 1250 | .enabled = 1, .loglevel = LOGL_INFO, |
| 1251 | }, |
| 1252 | [DBSSGP] = { |
| 1253 | .name = "DBSSGP", |
| 1254 | .description = "GPRS BSS Gateway Protocol (BSSGP)", |
| 1255 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1256 | }, |
| 1257 | [DLLC] = { |
| 1258 | .name = "DLLC", |
| 1259 | .description = "GPRS Logical Link Control Protocol (LLC)", |
| 1260 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1261 | }, |
| 1262 | [DSNDCP] = { |
| 1263 | .name = "DSNDCP", |
| 1264 | .description = "GPRS Sub-Network Dependent Control Protocol (SNDCP)", |
| 1265 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1266 | }, |
| 1267 | }; |
| 1268 | |
| 1269 | static struct log_info info = { |
| 1270 | .cat = gprs_categories, |
| 1271 | .num_cat = ARRAY_SIZE(gprs_categories), |
| 1272 | }; |
| 1273 | |
Holger Hans Peter Freyther | 68c6f88 | 2014-09-30 09:10:25 +0200 | [diff] [blame] | 1274 | int main(int argc, char **argv) |
| 1275 | { |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 1276 | osmo_init_logging(&info); |
| 1277 | tall_bsc_ctx = talloc_named_const(NULL, 0, "osmo_sgsn"); |
| 1278 | tall_msgb_ctx = talloc_named_const(tall_bsc_ctx, 0, "msgb"); |
| 1279 | |
Jacob Erlbeck | a0b6efb | 2014-11-13 10:48:39 +0100 | [diff] [blame] | 1280 | sgsn_auth_init(); |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 1281 | gprs_subscr_init(sgsn); |
Jacob Erlbeck | 27cb4d5 | 2014-10-29 12:11:58 +0100 | [diff] [blame] | 1282 | |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 1283 | test_llme(); |
Jacob Erlbeck | 33b6dad | 2014-11-12 10:12:11 +0100 | [diff] [blame] | 1284 | test_subscriber(); |
Jacob Erlbeck | 7921ab1 | 2014-12-08 15:52:00 +0100 | [diff] [blame] | 1285 | test_auth_triplets(); |
Holger Hans Peter Freyther | fe92133 | 2014-10-02 22:24:47 +0200 | [diff] [blame] | 1286 | test_gmm_detach(); |
Jacob Erlbeck | 189999d | 2014-10-27 14:34:13 +0100 | [diff] [blame] | 1287 | test_gmm_detach_power_off(); |
Jacob Erlbeck | 5a38f64 | 2014-10-21 13:09:55 +0200 | [diff] [blame] | 1288 | test_gmm_detach_no_mmctx(); |
Jacob Erlbeck | de4bbc7 | 2014-11-24 15:04:15 +0100 | [diff] [blame] | 1289 | test_gmm_detach_accept_unexpected(); |
Jacob Erlbeck | 14ae582 | 2014-10-28 09:47:03 +0100 | [diff] [blame] | 1290 | test_gmm_status_no_mmctx(); |
Jacob Erlbeck | be2c8d9 | 2014-11-12 10:18:09 +0100 | [diff] [blame] | 1291 | test_gmm_attach_acl(); |
| 1292 | test_gmm_attach_subscr(); |
Jacob Erlbeck | 2e5e94c | 2014-12-08 15:26:47 +0100 | [diff] [blame] | 1293 | test_gmm_attach_subscr_fake_auth(); |
Jacob Erlbeck | 98a95ac | 2014-11-28 14:55:25 +0100 | [diff] [blame] | 1294 | test_gmm_attach_subscr_real_auth(); |
Jacob Erlbeck | 80d07e3 | 2014-11-06 13:43:41 +0100 | [diff] [blame] | 1295 | test_gmm_reject(); |
Jacob Erlbeck | 98647ca | 2014-11-11 14:47:38 +0100 | [diff] [blame] | 1296 | test_gmm_cancel(); |
Jacob Erlbeck | f6e7d99 | 2014-11-06 15:43:10 +0100 | [diff] [blame] | 1297 | test_gmm_ptmsi_allocation(); |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 1298 | printf("Done\n"); |
Holger Hans Peter Freyther | 68c6f88 | 2014-09-30 09:10:25 +0200 | [diff] [blame] | 1299 | return 0; |
| 1300 | } |
Holger Hans Peter Freyther | 4299c05 | 2014-10-02 21:27:24 +0200 | [diff] [blame] | 1301 | |
| 1302 | |
| 1303 | /* stubs */ |
| 1304 | struct osmo_prim_hdr; |
| 1305 | int bssgp_prim_cb(struct osmo_prim_hdr *oph, void *ctx) |
| 1306 | { |
| 1307 | abort(); |
| 1308 | } |