Neels Hofmeyr | 3dc2c64 | 2017-01-25 15:04:16 +0100 | [diff] [blame] | 1 | /* Osmocom MSC+VLR end-to-end tests */ |
| 2 | |
| 3 | /* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de> |
| 4 | * |
| 5 | * All Rights Reserved |
| 6 | * |
| 7 | * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU Affero General Public License as published by |
| 11 | * the Free Software Foundation; either version 3 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU Affero General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Affero General Public License |
| 20 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include "msc_vlr_tests.h" |
| 25 | |
| 26 | void test_reject_2nd_conn() |
| 27 | { |
| 28 | struct gsm_subscriber_connection *conn1; |
| 29 | comment_start(); |
| 30 | |
| 31 | btw("Location Update Request on one connection"); |
| 32 | lu_result_sent = RES_NONE; |
| 33 | gsup_expect_tx("04010809710000004026f0"); |
| 34 | ms_sends_msg("050802008168000130089910070000006402"); |
| 35 | OSMO_ASSERT(gsup_tx_confirmed); |
| 36 | VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| 37 | EXPECT_CONN_COUNT(1); |
| 38 | |
| 39 | btw("Another Location Update Request from the same subscriber on another connection is rejected"); |
| 40 | conn1 = g_conn; |
| 41 | g_conn = NULL; |
| 42 | ms_sends_msg("050802008168000130089910070000006402"); |
| 43 | VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d"); |
| 44 | EXPECT_CONN_COUNT(1); |
| 45 | |
| 46 | |
| 47 | BTW("The first connection can still complete its LU"); |
| 48 | btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); |
| 49 | g_conn = conn1; |
| 50 | lu_result_sent = RES_NONE; |
| 51 | gsup_rx("10010809710000004026f00804036470f1", |
| 52 | "12010809710000004026f0"); |
| 53 | VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| 54 | |
| 55 | btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT"); |
| 56 | gsup_rx("06010809710000004026f0", NULL); |
| 57 | |
| 58 | btw("LU was successful, and the conn has already been closed"); |
| 59 | VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d"); |
| 60 | EXPECT_CONN_COUNT(0); |
| 61 | |
| 62 | clear_vlr(); |
| 63 | comment_end(); |
| 64 | } |
| 65 | |
| 66 | void _normal_lu_part1() |
| 67 | { |
| 68 | btw("Location Update Request"); |
| 69 | lu_result_sent = RES_NONE; |
| 70 | gsup_expect_tx("04010809710000004026f0"); |
| 71 | ms_sends_msg("050802008168000130089910070000006402"); |
| 72 | OSMO_ASSERT(gsup_tx_confirmed); |
| 73 | VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| 74 | EXPECT_CONN_COUNT(1); |
| 75 | } |
| 76 | |
| 77 | void _normal_lu_part2() |
| 78 | { |
| 79 | btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT"); |
| 80 | lu_result_sent = RES_NONE; |
| 81 | gsup_rx("10010809710000004026f00804036470f1", |
| 82 | "12010809710000004026f0"); |
| 83 | VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| 84 | |
| 85 | btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT"); |
| 86 | gsup_rx("06010809710000004026f0", NULL); |
| 87 | |
| 88 | btw("LU was successful, and the conn has already been closed"); |
| 89 | VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d"); |
| 90 | EXPECT_CONN_COUNT(0); |
| 91 | } |
| 92 | |
| 93 | void _normal_lu() |
| 94 | { |
| 95 | BTW("Subscriber does a normal LU"); |
| 96 | _normal_lu_part1(); |
| 97 | _normal_lu_part2(); |
| 98 | } |
| 99 | |
| 100 | void _normal_cm_service_req() |
| 101 | { |
| 102 | BTW("Subscriber does a normal CM Service Request"); |
| 103 | cm_service_result_sent = RES_NONE; |
| 104 | ms_sends_msg("05247803305886089910070000006402"); |
| 105 | OSMO_ASSERT(g_conn); |
| 106 | OSMO_ASSERT(g_conn->conn_fsm); |
| 107 | OSMO_ASSERT(g_conn->vsub); |
| 108 | VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d"); |
| 109 | EXPECT_ACCEPTED(true); |
| 110 | } |
| 111 | |
| 112 | void _page() |
| 113 | { |
| 114 | const char *imsi = "901700000004620"; |
| 115 | struct vlr_subscr *vsub; |
| 116 | |
| 117 | BTW("an SMS is sent, MS is paged"); |
| 118 | paging_expect_imsi(imsi); |
| 119 | paging_sent = false; |
| 120 | vsub = vlr_subscr_find_by_imsi(net->vlr, imsi); |
| 121 | OSMO_ASSERT(vsub); |
| 122 | VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 0, "%d"); |
| 123 | |
| 124 | send_sms(vsub, vsub, |
| 125 | "Privacy in residential applications is a desirable" |
| 126 | " marketing option."); |
| 127 | |
| 128 | VERBOSE_ASSERT(llist_count(&vsub->cs.requests), == 1, "%d"); |
| 129 | vlr_subscr_put(vsub); |
| 130 | vsub = NULL; |
| 131 | VERBOSE_ASSERT(paging_sent, == true, "%d"); |
| 132 | VERBOSE_ASSERT(paging_stopped, == false, "%d"); |
| 133 | } |
| 134 | |
| 135 | void _paging_resp_part1() |
| 136 | { |
| 137 | btw("MS replies with Paging Response, we deliver the SMS"); |
| 138 | dtap_expect_tx("09" /* SMS messages */ |
| 139 | "01" /* CP-DATA */ |
| 140 | "58" /* length */ |
| 141 | "01" /* Network to MS */ |
| 142 | "00" /* reference */ |
| 143 | /* originator (gsm411_send_sms() hardcodes this weird nr) */ |
| 144 | "0791" "447758100650" /* 447785016005 */ |
| 145 | "00" /* dest */ |
| 146 | /* SMS TPDU */ |
| 147 | "4c" /* len */ |
| 148 | "00" /* SMS deliver */ |
| 149 | "05806470f1" /* originating address 46071 */ |
| 150 | "00" /* TP-PID */ |
| 151 | "00" /* GSM default alphabet */ |
| 152 | "071010" /* Y-M-D (from wrapped gsm340_gen_scts())*/ |
| 153 | "000000" /* H-M-S */ |
| 154 | "00" /* GMT+0 */ |
| 155 | "44" /* data length */ |
| 156 | "5079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0e" |
| 157 | "d3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb" |
| 158 | "0c7ac3e9e9b7db05"); |
| 159 | ms_sends_msg("06270703305882089910070000006402"); |
| 160 | VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); |
| 161 | VERBOSE_ASSERT(paging_stopped, == true, "%d"); |
| 162 | |
| 163 | btw("conn is still open to wait for SMS ack dance"); |
| 164 | EXPECT_CONN_COUNT(1); |
| 165 | } |
| 166 | |
| 167 | void _paging_resp_part2(int expect_conn_count) |
| 168 | { |
| 169 | btw("MS replies with CP-ACK for received SMS"); |
| 170 | ms_sends_msg("8904"); |
| 171 | EXPECT_CONN_COUNT(1); |
| 172 | |
| 173 | btw("MS also sends RP-ACK, MSC in turn sends CP-ACK for that"); |
| 174 | dtap_expect_tx("0904"); |
| 175 | ms_sends_msg("890106020041020000"); |
| 176 | VERBOSE_ASSERT(dtap_tx_confirmed, == true, "%d"); |
| 177 | |
| 178 | btw("SMS is done"); |
| 179 | EXPECT_CONN_COUNT(expect_conn_count); |
| 180 | } |
| 181 | |
| 182 | void test_reject_lu_during_lu() |
| 183 | { |
| 184 | comment_start(); |
| 185 | |
| 186 | _normal_lu_part1(); |
| 187 | |
| 188 | BTW("Another Location Update Request from the same subscriber on the same conn is dropped silently"); |
| 189 | ms_sends_msg("050802008168000130089910070000006402"); |
| 190 | VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| 191 | EXPECT_CONN_COUNT(1); |
| 192 | |
| 193 | BTW("The first LU can still complete"); |
| 194 | _normal_lu_part2(); |
| 195 | |
| 196 | clear_vlr(); |
| 197 | comment_end(); |
| 198 | } |
| 199 | |
| 200 | void test_reject_cm_during_lu() |
| 201 | { |
| 202 | comment_start(); |
| 203 | |
| 204 | _normal_lu_part1(); |
| 205 | |
| 206 | BTW("A CM Service Request in the middle of a LU is rejected"); |
| 207 | cm_service_result_sent = RES_NONE; |
| 208 | dtap_expect_tx("052211"); |
| 209 | ms_sends_msg("05247803305886089910070000006402"); |
| 210 | VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| 211 | VERBOSE_ASSERT(cm_service_result_sent, == RES_NONE, "%d"); |
| 212 | EXPECT_CONN_COUNT(1); |
| 213 | |
| 214 | BTW("The first LU can still complete"); |
| 215 | _normal_lu_part2(); |
| 216 | |
| 217 | clear_vlr(); |
| 218 | comment_end(); |
| 219 | } |
| 220 | |
| 221 | void test_reject_paging_resp_during_lu() |
| 222 | { |
| 223 | comment_start(); |
| 224 | |
| 225 | _normal_lu_part1(); |
| 226 | |
| 227 | BTW("An erratic Paging Response is dropped silently"); |
| 228 | ms_sends_msg("06270703305882089910070000006402"); |
| 229 | VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| 230 | EXPECT_CONN_COUNT(1); |
| 231 | |
| 232 | BTW("The first LU can still complete"); |
| 233 | _normal_lu_part2(); |
| 234 | |
| 235 | clear_vlr(); |
| 236 | comment_end(); |
| 237 | } |
| 238 | |
| 239 | void test_reject_lu_during_cm() |
| 240 | { |
| 241 | comment_start(); |
| 242 | |
| 243 | _normal_lu(); |
| 244 | _normal_cm_service_req(); |
| 245 | |
| 246 | btw("A LU request on an open conn is dropped silently"); |
| 247 | /* TODO: accept periodic LU on an already open conn? */ |
| 248 | lu_result_sent = RES_NONE; |
| 249 | ms_sends_msg("050802008168000130089910070000006402"); |
| 250 | VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| 251 | EXPECT_CONN_COUNT(1); |
| 252 | |
| 253 | BTW("subscriber detaches"); |
| 254 | ms_sends_msg("050130089910070000006402"); |
| 255 | EXPECT_CONN_COUNT(0); |
| 256 | |
| 257 | clear_vlr(); |
| 258 | comment_end(); |
| 259 | } |
| 260 | |
| 261 | void test_reject_cm_during_cm() |
| 262 | { |
| 263 | comment_start(); |
| 264 | |
| 265 | _normal_lu(); |
| 266 | _normal_cm_service_req(); |
| 267 | |
| 268 | btw("A second CM Service Request on the same conn is accepted without another auth dance"); |
| 269 | cm_service_result_sent = RES_NONE; |
| 270 | ms_sends_msg("05247803305886089910070000006402"); |
| 271 | VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d"); |
| 272 | EXPECT_CONN_COUNT(1); |
| 273 | |
| 274 | BTW("subscriber detaches"); |
| 275 | ms_sends_msg("050130089910070000006402"); |
| 276 | EXPECT_CONN_COUNT(0); |
| 277 | |
| 278 | clear_vlr(); |
| 279 | comment_end(); |
| 280 | } |
| 281 | |
| 282 | void test_reject_paging_resp_during_cm() |
| 283 | { |
| 284 | comment_start(); |
| 285 | |
| 286 | _normal_lu(); |
| 287 | _normal_cm_service_req(); |
| 288 | |
| 289 | BTW("An erratic Paging Response on the same conn is dropped silently"); |
| 290 | ms_sends_msg("06270703305882089910070000006402"); |
| 291 | EXPECT_CONN_COUNT(1); |
| 292 | |
| 293 | BTW("The original CM Service Request can conclude"); |
| 294 | btw("a USSD request is serviced"); |
| 295 | dtap_expect_tx_ussd("Your extension is 46071\r"); |
| 296 | ms_sends_msg("0b3b1c15a11302010002013b300b04010f0406aa510c061b017f0100"); |
| 297 | |
| 298 | btw("all requests serviced, conn has been released"); |
| 299 | EXPECT_CONN_COUNT(0); |
| 300 | |
| 301 | clear_vlr(); |
| 302 | comment_end(); |
| 303 | } |
| 304 | |
| 305 | void test_reject_paging_resp_during_paging_resp() |
| 306 | { |
| 307 | comment_start(); |
| 308 | |
| 309 | _normal_lu(); |
| 310 | _page(); |
| 311 | _paging_resp_part1(); |
| 312 | |
| 313 | BTW("MS sends another erratic Paging Response which is dropped silently"); |
| 314 | ms_sends_msg("06270703305882089910070000006402"); |
| 315 | |
| 316 | _paging_resp_part2(0); |
| 317 | |
| 318 | clear_vlr(); |
| 319 | comment_end(); |
| 320 | } |
| 321 | |
| 322 | void test_reject_lu_during_paging_resp() |
| 323 | { |
| 324 | comment_start(); |
| 325 | |
| 326 | _normal_lu(); |
| 327 | _page(); |
| 328 | _paging_resp_part1(); |
| 329 | |
| 330 | BTW("MS sends erratic LU Request, which is dropped silently"); |
| 331 | lu_result_sent = RES_NONE; |
| 332 | ms_sends_msg("050802008168000130089910070000006402"); |
| 333 | VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d"); |
| 334 | EXPECT_CONN_COUNT(1); |
| 335 | |
| 336 | _paging_resp_part2(0); |
| 337 | |
| 338 | clear_vlr(); |
| 339 | comment_end(); |
| 340 | } |
| 341 | |
| 342 | void test_reject_cm_during_paging_resp() |
| 343 | { |
| 344 | comment_start(); |
| 345 | |
| 346 | _normal_lu(); |
| 347 | _page(); |
| 348 | _paging_resp_part1(); |
| 349 | |
| 350 | BTW("CM Service Request during open connection is accepted"); |
| 351 | cm_service_result_sent = RES_NONE; |
| 352 | ms_sends_msg("05247803305886089910070000006402"); |
| 353 | VERBOSE_ASSERT(cm_service_result_sent, == RES_ACCEPT, "%d"); |
| 354 | EXPECT_CONN_COUNT(1); |
| 355 | VERBOSE_ASSERT(g_conn->received_cm_service_request, == true, "%d"); |
| 356 | |
| 357 | _paging_resp_part2(1); |
| 358 | |
| 359 | BTW("subscriber detaches"); |
| 360 | ms_sends_msg("050130089910070000006402"); |
| 361 | EXPECT_CONN_COUNT(0); |
| 362 | |
| 363 | clear_vlr(); |
| 364 | comment_end(); |
| 365 | } |
| 366 | |
| 367 | msc_vlr_test_func_t msc_vlr_tests[] = { |
| 368 | test_reject_2nd_conn, |
| 369 | test_reject_lu_during_lu, |
| 370 | test_reject_cm_during_lu, |
| 371 | test_reject_paging_resp_during_lu, |
| 372 | test_reject_lu_during_cm, |
| 373 | test_reject_cm_during_cm, |
| 374 | test_reject_paging_resp_during_cm, |
| 375 | test_reject_lu_during_paging_resp, |
| 376 | test_reject_cm_during_paging_resp, |
| 377 | test_reject_paging_resp_during_paging_resp, |
| 378 | NULL |
| 379 | }; |