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 |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3 | * (C) 2013-2020 by sysmocom s.f.m.c. GmbH |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4 | * Author: Jacob Erlbeck <jerlbeck@sysmocom.de> |
| 5 | */ |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 6 | #undef _GNU_SOURCE |
| 7 | #define _GNU_SOURCE |
| 8 | |
| 9 | #include <stdio.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <stdint.h> |
| 12 | #include <string.h> |
| 13 | #include <getopt.h> |
| 14 | #include <dlfcn.h> |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 15 | #include <time.h> |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 16 | #include <sys/types.h> |
| 17 | #include <sys/socket.h> |
| 18 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 19 | #include <talloc.h> |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 20 | #include <osmocom/core/msgb.h> |
| 21 | #include <osmocom/core/application.h> |
| 22 | #include <osmocom/core/utils.h> |
| 23 | #include <osmocom/core/logging.h> |
| 24 | #include <osmocom/core/talloc.h> |
| 25 | #include <osmocom/core/signal.h> |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 26 | #include <osmocom/core/socket.h> |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 27 | #include <osmocom/core/rate_ctr.h> |
Jacob Erlbeck | 077abce | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 28 | #include <osmocom/gsm/tlv.h> |
Jacob Erlbeck | 3113287 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 29 | #include <osmocom/gsm/gsm_utils.h> |
Harald Welte | 35ade5e | 2016-04-20 17:11:43 +0200 | [diff] [blame] | 30 | #include <osmocom/gsm/protocol/gsm_04_08_gprs.h> |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 31 | #include <osmocom/gprs/gprs_msgb.h> |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 32 | #include <osmocom/gprs/gprs_ns2.h> |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 33 | #include <osmocom/gprs/gprs_bssgp.h> |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 34 | #include <osmocom/core/prim.h> |
| 35 | #include <osmocom/vty/command.h> |
Neels Hofmeyr | 4b4c586 | 2017-09-04 15:13:25 +0200 | [diff] [blame] | 36 | #include <osmocom/sgsn/gb_proxy.h> |
| 37 | #include <osmocom/sgsn/gprs_utils.h> |
| 38 | #include <osmocom/sgsn/gprs_llc.h> |
| 39 | #include <osmocom/sgsn/gprs_gb_parse.h> |
| 40 | #include <osmocom/sgsn/debug.h> |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 41 | |
| 42 | #define REMOTE_BSS_ADDR 0x01020304 |
| 43 | #define REMOTE_SGSN_ADDR 0x05060708 |
| 44 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 45 | #define SGSN_NSEI 0x0100 |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 46 | |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 47 | #define REMOTE_SGSN2_ADDR 0x15161718 |
| 48 | #define SGSN2_NSEI 0x0102 |
| 49 | |
Jacob Erlbeck | a4b5e89 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 50 | #define MATCH_ANY (-1) |
| 51 | |
Pau Espin Pedrol | d7b95e3 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 52 | void *tall_sgsn_ctx = NULL; |
Neels Hofmeyr | 62507c5 | 2017-07-13 02:03:50 +0200 | [diff] [blame] | 53 | |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 54 | struct gbproxy_config gbcfg = {0}; |
| 55 | |
Jacob Erlbeck | a4b5e89 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 56 | struct llist_head *received_messages = NULL; |
| 57 | |
Max | ca7be8a | 2017-11-01 13:28:38 +0100 | [diff] [blame] | 58 | /* override, requires '-Wl,--wrap=osmo_get_rand_id' */ |
| 59 | int __real_osmo_get_rand_id(uint8_t *data, size_t len); |
| 60 | int mock_osmo_get_rand_id(uint8_t *data, size_t len); |
| 61 | int (*osmo_get_rand_id_cb)(uint8_t *, size_t) = |
| 62 | &mock_osmo_get_rand_id; |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 63 | |
Max | ca7be8a | 2017-11-01 13:28:38 +0100 | [diff] [blame] | 64 | int __wrap_osmo_get_rand_id(uint8_t *buf, size_t num) |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 65 | { |
Max | ca7be8a | 2017-11-01 13:28:38 +0100 | [diff] [blame] | 66 | return (*osmo_get_rand_id_cb)(buf, num); |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | static int rand_seq_num = 0; |
Max | ca7be8a | 2017-11-01 13:28:38 +0100 | [diff] [blame] | 70 | int mock_osmo_get_rand_id(uint8_t *buf, size_t num) |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 71 | { |
| 72 | uint32_t val; |
| 73 | |
| 74 | OSMO_ASSERT(num == sizeof(val)); |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 75 | |
| 76 | val = 0x00dead00 + rand_seq_num; |
| 77 | |
| 78 | rand_seq_num++; |
| 79 | |
| 80 | memcpy(buf, &val, num); |
| 81 | |
| 82 | return 1; |
| 83 | } |
| 84 | |
Daniel Willmann | 1e0b000 | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 85 | static void cleanup_test() |
| 86 | { |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 87 | rand_seq_num = 0; |
Daniel Willmann | 1e0b000 | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 88 | } |
| 89 | |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 90 | static int dump_global(FILE *stream, int indent) |
| 91 | { |
| 92 | unsigned int i; |
| 93 | const struct rate_ctr_group_desc *desc; |
| 94 | int rc; |
| 95 | |
| 96 | rc = fprintf(stream, "%*sGbproxy global:\n", indent, ""); |
| 97 | if (rc < 0) |
| 98 | return rc; |
| 99 | |
| 100 | desc = gbcfg.ctrg->desc; |
| 101 | |
| 102 | for (i = 0; i < desc->num_ctr; i++) { |
| 103 | struct rate_ctr *ctr = &gbcfg.ctrg->ctr[i]; |
| 104 | if (ctr->current) { |
| 105 | rc = fprintf(stream, "%*s %s: %llu\n", |
| 106 | indent, "", |
| 107 | desc->ctr_desc[i].description, |
| 108 | (long long)ctr->current); |
| 109 | |
| 110 | if (rc < 0) |
| 111 | return rc; |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | return 0; |
| 116 | } |
| 117 | |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 118 | static int dump_peers(FILE *stream, int indent, time_t now, |
| 119 | struct gbproxy_config *cfg) |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 120 | { |
Daniel Willmann | e50550e | 2020-11-26 18:19:21 +0100 | [diff] [blame] | 121 | struct gbproxy_nse *nse; |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 122 | struct gprs_ra_id raid; |
Harald Welte | d2fef95 | 2020-12-05 00:31:07 +0100 | [diff] [blame^] | 123 | unsigned int i, _nse; |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 124 | const struct rate_ctr_group_desc *desc; |
| 125 | int rc; |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 126 | |
| 127 | rc = fprintf(stream, "%*sPeers:\n", indent, ""); |
| 128 | if (rc < 0) |
| 129 | return rc; |
| 130 | |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 131 | |
Harald Welte | d2fef95 | 2020-12-05 00:31:07 +0100 | [diff] [blame^] | 132 | hash_for_each(cfg->bss_nses, _nse, nse, list) { |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 133 | struct gbproxy_bvc *peer; |
| 134 | llist_for_each_entry(peer, &nse->bvcs, list) { |
Daniel Willmann | e50550e | 2020-11-26 18:19:21 +0100 | [diff] [blame] | 135 | struct gbproxy_link_info *link_info; |
| 136 | struct gbproxy_patch_state *state = &peer->patch_state; |
| 137 | gsm48_parse_ra(&raid, peer->ra); |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 138 | |
Daniel Willmann | e50550e | 2020-11-26 18:19:21 +0100 | [diff] [blame] | 139 | rc = fprintf(stream, "%*s NSEI %u, BVCI %u, %sblocked, RAI %s\n", |
| 140 | indent, "", |
| 141 | nse->nsei, peer->bvci, |
| 142 | peer->blocked ? "" : "not ", |
| 143 | osmo_rai_name(&raid)); |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 144 | |
Daniel Willmann | e50550e | 2020-11-26 18:19:21 +0100 | [diff] [blame] | 145 | if (rc < 0) |
| 146 | return rc; |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 147 | |
Daniel Willmann | e50550e | 2020-11-26 18:19:21 +0100 | [diff] [blame] | 148 | desc = peer->ctrg->desc; |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 149 | |
Daniel Willmann | e50550e | 2020-11-26 18:19:21 +0100 | [diff] [blame] | 150 | for (i = 0; i < desc->num_ctr; i++) { |
| 151 | struct rate_ctr *ctr = &peer->ctrg->ctr[i]; |
| 152 | if (ctr->current) { |
| 153 | rc = fprintf(stream, "%*s %s: %llu\n", |
| 154 | indent, "", |
| 155 | desc->ctr_desc[i].description, |
| 156 | (long long)ctr->current); |
| 157 | |
| 158 | if (rc < 0) |
| 159 | return rc; |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | fprintf(stream, "%*s TLLI-Cache: %d\n", |
| 164 | indent, "", state->logical_link_count); |
| 165 | llist_for_each_entry(link_info, &state->logical_links, list) { |
| 166 | struct osmo_mobile_identity mi; |
| 167 | const char *imsi_str; |
| 168 | time_t age = now ? now - link_info->timestamp : 0; |
| 169 | int stored_msgs = 0; |
| 170 | struct llist_head *iter; |
| 171 | enum gbproxy_match_id match_id; |
| 172 | llist_for_each(iter, &link_info->stored_msgs) |
| 173 | stored_msgs++; |
| 174 | |
| 175 | if (link_info->imsi > 0) { |
| 176 | if (osmo_mobile_identity_decode(&mi, link_info->imsi, link_info->imsi_len, false) |
| 177 | || mi.type != GSM_MI_TYPE_IMSI) |
| 178 | imsi_str = "(invalid)"; |
| 179 | else |
| 180 | imsi_str = mi.imsi; |
| 181 | } else { |
| 182 | imsi_str = "(none)"; |
| 183 | } |
| 184 | fprintf(stream, "%*s TLLI %08x", |
| 185 | indent, "", link_info->tlli.current); |
| 186 | if (link_info->tlli.assigned) |
| 187 | fprintf(stream, "/%08x", link_info->tlli.assigned); |
| 188 | if (link_info->sgsn_tlli.current) { |
| 189 | fprintf(stream, " -> %08x", |
| 190 | link_info->sgsn_tlli.current); |
| 191 | if (link_info->sgsn_tlli.assigned) |
| 192 | fprintf(stream, "/%08x", |
| 193 | link_info->sgsn_tlli.assigned); |
| 194 | } |
| 195 | fprintf(stream, ", IMSI %s, AGE %d", |
| 196 | imsi_str, (int)age); |
| 197 | |
| 198 | if (stored_msgs) |
| 199 | fprintf(stream, ", STORED %d", stored_msgs); |
| 200 | |
| 201 | for (match_id = 0; match_id < ARRAY_SIZE(cfg->matches); |
| 202 | ++match_id) { |
| 203 | if (cfg->matches[match_id].enable && |
| 204 | link_info->is_matching[match_id]) { |
| 205 | fprintf(stream, ", IMSI matches"); |
| 206 | break; |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | if (link_info->imsi_acq_pending) |
| 211 | fprintf(stream, ", IMSI acquisition in progress"); |
| 212 | |
| 213 | if (cfg->route_to_sgsn2) |
| 214 | fprintf(stream, ", SGSN NSEI %d", |
| 215 | link_info->sgsn_nsei); |
| 216 | |
| 217 | if (link_info->is_deregistered) |
| 218 | fprintf(stream, ", DE-REGISTERED"); |
| 219 | |
| 220 | rc = fprintf(stream, "\n"); |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 221 | if (rc < 0) |
| 222 | return rc; |
| 223 | } |
| 224 | } |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 225 | } |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 226 | return 0; |
| 227 | } |
| 228 | |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 229 | const uint8_t *convert_ra(struct gprs_ra_id *raid) |
| 230 | { |
Max | 9f13b14 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 231 | static struct gsm48_ra_id r; |
| 232 | gsm48_encode_ra(&r, raid); |
| 233 | return (const uint8_t *)&r; |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 234 | } |
| 235 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 236 | /* DTAP - Attach Request */ |
| 237 | static const unsigned char dtap_attach_req[] = { |
| 238 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 239 | 0x05, 0xf4, 0xfb, 0xc5, 0x46, 0x79, 0x11, 0x22, |
| 240 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 241 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 242 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 243 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 244 | }; |
| 245 | |
Jacob Erlbeck | 89aa65b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 246 | /* DTAP - Attach Request (invalid RAI) */ |
| 247 | static const unsigned char dtap_attach_req2[] = { |
| 248 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 249 | 0x05, 0xf4, 0xfb, 0x00, 0xbe, 0xef, 0x99, 0x99, |
| 250 | 0x99, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 251 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 252 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 253 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 254 | }; |
| 255 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 256 | /* DTAP - Attach Request (P-TMSI 0x3f32b700) */ |
| 257 | static const unsigned char dtap_attach_req3[] = { |
| 258 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 259 | 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x11, 0x22, |
| 260 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 261 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 262 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 263 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 264 | }; |
| 265 | |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 266 | /* DTAP - Attach Request (IMSI 12131415161718) */ |
| 267 | static const unsigned char dtap_attach_req4[] = { |
| 268 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 269 | 0x08, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
Neels Hofmeyr | 17d6134 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 270 | 0xf8, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, 0x19, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 271 | 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, 0x62, 0x00, |
| 272 | 0x60, 0x80, 0x9a, 0xc2, 0xc6, 0x62, 0x00, 0x60, |
| 273 | 0x80, 0xba, 0xc8, 0xc6, 0x62, 0x00, 0x60, 0x80, |
| 274 | 0x00, |
| 275 | }; |
| 276 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 277 | /* DTAP - Identity Request */ |
| 278 | static const unsigned char dtap_identity_req[] = { |
| 279 | 0x08, 0x15, 0x01 |
Jacob Erlbeck | dc6dcdf | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 280 | }; |
| 281 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 282 | /* DTAP - Identity Response */ |
| 283 | static const unsigned char dtap_identity_resp[] = { |
| 284 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x13, 0x14, 0x15, |
Neels Hofmeyr | 17d6134 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 285 | 0x16, 0x17, 0xf8 |
Jacob Erlbeck | dc6dcdf | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 286 | }; |
| 287 | |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 288 | /* DTAP - Identity Response, IMSI 2 */ |
| 289 | static const unsigned char dtap_identity2_resp[] = { |
| 290 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x99, 0x99, 0x99, |
Neels Hofmeyr | 17d6134 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 291 | 0x16, 0x17, 0xf8 |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 292 | }; |
| 293 | |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 294 | /* DTAP - Identity Response, IMSI 3 */ |
| 295 | static const unsigned char dtap_identity3_resp[] = { |
| 296 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x99, 0x99, 0x99, |
Neels Hofmeyr | 17d6134 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 297 | 0x26, 0x27, 0xf8 |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 298 | }; |
| 299 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 300 | /* DTAP - Attach Accept */ |
| 301 | static const unsigned char dtap_attach_acc[] = { |
| 302 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 303 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 304 | 0x16, 0x18, 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00 |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 305 | }; |
| 306 | |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 307 | /* DTAP - Attach Accept, P-TMSI 2 */ |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 308 | static const unsigned char dtap_attach_acc2[] = { |
| 309 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 310 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 311 | 0x16, 0x18, 0x05, 0xf4, 0xe0, 0x98, 0x76, 0x54 |
| 312 | }; |
| 313 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 314 | /* DTAP - Attach Complete */ |
| 315 | static const unsigned char dtap_attach_complete[] = { |
| 316 | 0x08, 0x03 |
Jacob Erlbeck | 3113287 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 317 | }; |
| 318 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 319 | /* DTAP - Attach Reject (GPRS services not allowed) */ |
| 320 | static const unsigned char dtap_attach_rej7[] = { |
| 321 | 0x08, 0x04, 0x07 |
| 322 | }; |
| 323 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 324 | /* DTAP - GMM Information */ |
| 325 | static const unsigned char dtap_gmm_information[] = { |
| 326 | 0x08, 0x21 |
Jacob Erlbeck | ab7366f | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 327 | }; |
| 328 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 329 | /* DTAP - Routing Area Update Request */ |
| 330 | static const unsigned char dtap_ra_upd_req[] = { |
| 331 | 0x08, 0x08, 0x10, 0x11, 0x22, 0x33, 0x40, 0x50, |
| 332 | 0x60, 0x1d, 0x19, 0x13, 0x42, 0x33, 0x57, 0x2b, |
| 333 | 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, 0x50, 0xc8, |
| 334 | 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, 0x48, 0x02, |
| 335 | 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, 0x00, 0x19, |
| 336 | 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, 0x07, 0x04, |
| 337 | 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, 0x20, 0x00 |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 338 | }; |
| 339 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 340 | /* DTAP - Routing Area Update Accept */ |
| 341 | static const unsigned char dtap_ra_upd_acc[] = { |
| 342 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 343 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 344 | 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x17, 0x16, |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 345 | }; |
| 346 | |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 347 | /* DTAP - Routing Area Update Accept, P-TMSI 2 */ |
| 348 | static const unsigned char dtap_ra_upd_acc2[] = { |
| 349 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 350 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 351 | 0x05, 0xf4, 0xe0, 0x98, 0x76, 0x54, 0x17, 0x16, |
| 352 | }; |
| 353 | |
| 354 | /* DTAP - Routing Area Update Accept, P-TMSI 3 */ |
| 355 | static const unsigned char dtap_ra_upd_acc3[] = { |
| 356 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 357 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 358 | 0x05, 0xf4, 0xe0, 0x54, 0x32, 0x10, 0x17, 0x16, |
| 359 | }; |
| 360 | |
| 361 | /* DTAP - Routing Area Update Complete */ |
| 362 | static const unsigned char dtap_ra_upd_complete[] = { |
| 363 | 0x08, 0x0a |
| 364 | }; |
| 365 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 366 | /* DTAP - Routing Area Update Reject */ |
| 367 | /* cause = 10 ("Implicitly detached"), force_standby = 0 */ |
| 368 | static const unsigned char dtap_ra_upd_rej[] = { |
| 369 | 0x08, 0x0b, 0x0a, 0x00, |
| 370 | }; |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 371 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 372 | /* DTAP - Activate PDP Context Request */ |
| 373 | static const unsigned char dtap_act_pdp_ctx_req[] = { |
| 374 | 0x0a, 0x41, 0x05, 0x03, 0x0c, 0x00, |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 375 | 0x00, 0x1f, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 376 | 0x00, 0x00, 0x00, 0x02, 0x01, 0x21, 0x28, 0x03, |
| 377 | 0x02, 0x61, 0x62, 0x27, 0x14, 0x80, 0x80, 0x21, |
| 378 | 0x10, 0x01, 0x00, 0x00, 0x10, 0x81, 0x06, 0x00, |
| 379 | 0x00, 0x00, 0x00, 0x83, 0x06, 0x00, 0x00, 0x00, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 380 | 0x00 |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 381 | }; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 382 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 383 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | f95340d | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 384 | /* normal detach, power_off = 1 */ |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 385 | static const unsigned char dtap_detach_po_req[] = { |
| 386 | 0x08, 0x05, 0x09, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 387 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | f95340d | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 388 | }; |
| 389 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 390 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | f95340d | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 391 | /* normal detach, power_off = 0 */ |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 392 | static const unsigned char dtap_detach_req[] = { |
| 393 | 0x08, 0x05, 0x01, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 394 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | bf6020f | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 395 | }; |
| 396 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 397 | /* DTAP - Detach Accept (MO) */ |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 398 | static const unsigned char dtap_detach_acc[] = { |
| 399 | 0x08, 0x06, 0x00 |
Jacob Erlbeck | bf6020f | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 400 | }; |
| 401 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 402 | /* DTAP - Detach Request (MT) */ |
| 403 | /* normal detach, reattach required, implicitly detached */ |
| 404 | static const unsigned char dtap_mt_detach_rea_req[] = { |
| 405 | 0x08, 0x05, 0x01, 0x25, 0x0a |
| 406 | }; |
| 407 | |
| 408 | /* DTAP - Detach Request (MT) */ |
| 409 | /* normal detach, reattach not required, implicitly detached */ |
| 410 | static const unsigned char dtap_mt_detach_req[] = { |
| 411 | 0x08, 0x05, 0x02, 0x25, 0x0a |
| 412 | }; |
| 413 | |
| 414 | /* DTAP - Detach Accept (MT) */ |
| 415 | static const unsigned char dtap_mt_detach_acc[] = { |
| 416 | 0x08, 0x06 |
| 417 | }; |
| 418 | |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 419 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 420 | static const unsigned char llc_u_xid_ul[] = { |
| 421 | 0x41, 0xfb, 0x01, 0x00, 0x0e, 0x00, 0x64, 0x11, |
| 422 | 0x05, 0x16, 0x01, 0x90, 0x66, 0xb3, 0x28 |
| 423 | }; |
| 424 | |
| 425 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 426 | static const unsigned char llc_u_xid_dl[] = { |
| 427 | 0x41, 0xfb, 0x30, 0x84, 0x10, 0x61, 0xb6, 0x64, |
| 428 | 0xe4, 0xa9, 0x1a, 0x9e |
| 429 | }; |
| 430 | |
| 431 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 432 | static const unsigned char llc_ui_ll11_dns_query_ul[] = { |
| 433 | 0x0b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 434 | 0x00, 0x00, 0x38, 0x95, 0x72, 0x00, 0x00, 0x45, |
| 435 | 0x11, 0x20, 0x85, 0x0a, 0xc0, 0x07, 0xe4, 0xac, |
| 436 | 0x10, 0x01, 0x0a, 0xad, 0xab, 0x00, 0x35, 0x00, |
| 437 | 0x24, 0x0e, 0x1c, 0x3b, 0xe0, 0x01, 0x00, 0x00, |
| 438 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 439 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 440 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0x47, |
| 441 | 0x8f, 0x07 |
| 442 | }; |
| 443 | |
| 444 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 445 | static const unsigned char llc_ui_ll11_dns_resp_dl[] = { |
| 446 | 0x4b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 447 | 0x00, 0x00, 0xc6, 0x00, 0x00, 0x40, 0x00, 0x3e, |
| 448 | 0x11, 0x7c, 0x69, 0xac, 0x10, 0x01, 0x0a, 0x0a, |
| 449 | 0xc0, 0x07, 0xe4, 0x00, 0x35, 0xad, 0xab, 0x00, |
| 450 | 0xb2, 0x74, 0x4e, 0x3b, 0xe0, 0x81, 0x80, 0x00, |
| 451 | 0x01, 0x00, 0x01, 0x00, 0x05, 0x00, 0x00, 0x01, |
| 452 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 453 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0xc0, |
| 454 | 0x0c, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 455 | 0x10, 0x00, 0x04, 0xc1, 0x63, 0x90, 0x58, 0xc0, |
| 456 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 457 | 0x10, 0x00, 0x16, 0x03, 0x6e, 0x73, 0x32, 0x0c, |
| 458 | 0x70, 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, |
| 459 | 0x6f, 0x76, 0x65, 0x72, 0x03, 0x6e, 0x65, 0x74, |
| 460 | 0x00, 0xc0, 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, |
| 461 | 0x00, 0x0e, 0x10, 0x00, 0x10, 0x02, 0x6e, 0x73, |
| 462 | 0x01, 0x73, 0x08, 0x70, 0x6c, 0x75, 0x73, 0x6c, |
| 463 | 0x69, 0x6e, 0x65, 0xc0, 0x14, 0xc0, 0x0e, 0x00, |
| 464 | 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, 0x00, |
| 465 | 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x0e, 0xc0, 0x0e, |
| 466 | 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, |
| 467 | 0x00, 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x5f, 0xc0, |
| 468 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 469 | 0x10, 0x00, 0x12, 0x02, 0x6e, 0x73, 0x0c, 0x70, |
| 470 | 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, 0x6f, |
| 471 | 0x76, 0x65, 0x72, 0xc0, 0x14, 0xaa, 0xdf, 0x31 |
| 472 | }; |
| 473 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 474 | #define NS_ALLOC_HEADROOM 128 |
| 475 | #define NS_ALLOC_SIZE 3072 |
| 476 | static int gprs_ns2_callback(struct osmo_prim_hdr *oph, void *ctx); |
| 477 | static void send_ns_unitdata(struct gprs_ns2_inst *nsi, const char *text, |
| 478 | uint16_t nsei, uint16_t nsbvci, |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 479 | const unsigned char *bssgp_msg, size_t bssgp_msg_size) |
| 480 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 481 | struct msgb *msg; |
| 482 | struct osmo_gprs_ns2_prim nsp = {}; |
| 483 | nsp.nsei = nsei; |
| 484 | nsp.bvci = nsbvci; |
| 485 | //nsp.u.unitdata.change |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 486 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 487 | if (bssgp_msg_size > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) { |
| 488 | fprintf(stderr, "message too long: %zu\n", bssgp_msg_size); |
| 489 | return; |
| 490 | } |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 491 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 492 | msg = msgb_alloc_headroom(NS_ALLOC_SIZE, NS_ALLOC_HEADROOM, |
| 493 | "GPRS/NS"); |
| 494 | OSMO_ASSERT(msg); |
| 495 | memmove(msg->data, bssgp_msg, bssgp_msg_size); |
| 496 | msgb_bssgph(msg) = msg->data; |
| 497 | msg->l2h = msg->data; |
| 498 | msg->l3h = msg->data; |
| 499 | msgb_put(msg, bssgp_msg_size); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 500 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 501 | printf("PROCESSING %s from NSEI %d\n%s\n\n", |
| 502 | text, nsei, |
| 503 | osmo_hexdump(bssgp_msg, bssgp_msg_size)); |
| 504 | |
| 505 | |
| 506 | //gprs_process_message(nsi, text ? text : "UNITDATA", nsei, msg, bssgp_msg_size + 4); |
| 507 | osmo_prim_init(&nsp.oph, SAP_NS, PRIM_NS_UNIT_DATA, |
| 508 | PRIM_OP_INDICATION, msg); |
| 509 | |
| 510 | gprs_ns2_callback(&nsp.oph, &gbcfg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 511 | } |
| 512 | static int gbprox_test_bssgp_send_cb(void *ctx, struct msgb *msg); |
| 513 | |
| 514 | /* wrap */ |
| 515 | int gprs_ns2_recv_prim(struct gprs_ns2_inst *nsi, struct osmo_prim_hdr *oph) |
| 516 | { |
| 517 | struct osmo_gprs_ns2_prim *nsp; |
| 518 | |
| 519 | if (oph->sap != SAP_NS) |
| 520 | return 0; |
| 521 | |
| 522 | nsp = container_of(oph, struct osmo_gprs_ns2_prim, oph); |
| 523 | |
| 524 | if (oph->operation != PRIM_OP_REQUEST) { |
| 525 | LOGP(DPCU, LOGL_NOTICE, "NS: %s Unknown prim %d from NS\n", |
| 526 | get_value_string(osmo_prim_op_names, oph->operation), |
| 527 | oph->operation); |
| 528 | return 0; |
| 529 | } |
| 530 | |
| 531 | switch (oph->primitive) { |
| 532 | case PRIM_NS_UNIT_DATA: |
| 533 | /* hand the message into the BSSGP implementation */ |
| 534 | msgb_bssgph(oph->msg) = oph->msg->l3h; |
| 535 | msgb_bvci(oph->msg) = nsp->bvci; |
| 536 | msgb_nsei(oph->msg) = nsp->nsei; |
| 537 | printf("NS2 UD REQUEST, prim %d, msg length %zu, bvci 0x%04x\n%s\n\n", |
| 538 | oph->primitive, msgb_bssgp_len(oph->msg), nsp->bvci, |
| 539 | osmo_hexdump(msgb_l3(oph->msg), msgb_l3len(oph->msg))); |
| 540 | return gbprox_test_bssgp_send_cb(&gbcfg, oph->msg); |
| 541 | break; |
| 542 | default: |
| 543 | printf("NS2 REQUEST, prim %d, bvci 0x%04x\n\n", |
| 544 | oph->primitive, nsp->bvci); |
| 545 | |
| 546 | break; |
| 547 | } |
| 548 | return 0; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 549 | } |
| 550 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 551 | static void send_bssgp_ul_unitdata( |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 552 | struct gprs_ns2_inst *nsi, const char *text, |
| 553 | uint16_t nsei, uint16_t nsbvci, uint32_t tlli, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 554 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 555 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 556 | { |
| 557 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 558 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 559 | unsigned char msg[4096] = { |
| 560 | 0x01, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, |
| 561 | 0x08, 0x88, /* RAI */ 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 562 | /* CELL ID */ 0x00, 0x00, 0x00, 0x80, 0x0e, /* LLC LEN */ 0x00, 0x00, |
| 563 | }; |
| 564 | |
| 565 | size_t bssgp_msg_size = 23 + llc_msg_size; |
| 566 | |
| 567 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg)); |
| 568 | |
Max | 9f13b14 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 569 | gsm48_encode_ra((struct gsm48_ra_id *)(msg + 10), raid); |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 570 | msg[1] = (uint8_t)(tlli >> 24); |
| 571 | msg[2] = (uint8_t)(tlli >> 16); |
| 572 | msg[3] = (uint8_t)(tlli >> 8); |
| 573 | msg[4] = (uint8_t)(tlli >> 0); |
| 574 | msg[16] = cell_id / 256; |
| 575 | msg[17] = cell_id % 256; |
| 576 | msg[21] = llc_msg_size / 256; |
| 577 | msg[22] = llc_msg_size % 256; |
| 578 | memcpy(msg + 23, llc_msg, llc_msg_size); |
| 579 | |
| 580 | send_ns_unitdata(nsi, text ? text : "BSSGP UL UNITDATA", |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 581 | nsei, nsbvci, msg, bssgp_msg_size); |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | static void send_bssgp_dl_unitdata( |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 585 | struct gprs_ns2_inst *nsi, const char *text, |
| 586 | uint16_t nsei, uint16_t nsbvci, uint32_t tlli, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 587 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 588 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 589 | { |
| 590 | /* Base Station Subsystem GPRS Protocol: DL_UNITDATA */ |
| 591 | unsigned char msg[4096] = { |
| 592 | 0x00, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x20, |
| 593 | 0x16, 0x82, 0x02, 0x58, |
| 594 | }; |
| 595 | unsigned char racap_drx[] = { |
| 596 | 0x13, 0x99, 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, |
| 597 | 0x62, 0x00, 0x60, 0x80, 0x9a, 0xc2, 0xc6, 0x62, |
| 598 | 0x00, 0x60, 0x80, 0xba, 0xc8, 0xc6, 0x62, 0x00, |
| 599 | 0x60, 0x80, 0x00, 0x0a, 0x82, 0x08, 0x02 |
| 600 | }; |
| 601 | |
| 602 | size_t bssgp_msg_size = 0; |
| 603 | |
| 604 | OSMO_ASSERT(51 + imsi_size + llc_msg_size <= sizeof(msg)); |
| 605 | |
| 606 | msg[1] = (uint8_t)(tlli >> 24); |
| 607 | msg[2] = (uint8_t)(tlli >> 16); |
| 608 | msg[3] = (uint8_t)(tlli >> 8); |
| 609 | msg[4] = (uint8_t)(tlli >> 0); |
| 610 | |
| 611 | bssgp_msg_size = 12; |
| 612 | |
| 613 | if (with_racap_drx) { |
| 614 | memcpy(msg + bssgp_msg_size, racap_drx, sizeof(racap_drx)); |
| 615 | bssgp_msg_size += sizeof(racap_drx); |
| 616 | } |
| 617 | |
| 618 | if (imsi) { |
| 619 | OSMO_ASSERT(imsi_size <= 127); |
| 620 | msg[bssgp_msg_size] = BSSGP_IE_IMSI; |
| 621 | msg[bssgp_msg_size + 1] = 0x80 | imsi_size; |
| 622 | memcpy(msg + bssgp_msg_size + 2, imsi, imsi_size); |
| 623 | bssgp_msg_size += 2 + imsi_size; |
| 624 | } |
| 625 | |
| 626 | if ((bssgp_msg_size % 4) != 0) { |
| 627 | size_t abytes = (4 - (bssgp_msg_size + 2) % 4) % 4; |
| 628 | msg[bssgp_msg_size] = BSSGP_IE_ALIGNMENT; |
| 629 | msg[bssgp_msg_size + 1] = 0x80 | abytes; |
| 630 | memset(msg + bssgp_msg_size + 2, 0, abytes); |
| 631 | bssgp_msg_size += 2 + abytes; |
| 632 | } |
| 633 | |
| 634 | msg[bssgp_msg_size] = BSSGP_IE_LLC_PDU; |
| 635 | if (llc_msg_size < 128) { |
| 636 | msg[bssgp_msg_size + 1] = 0x80 | llc_msg_size; |
| 637 | bssgp_msg_size += 2; |
| 638 | } else { |
| 639 | msg[bssgp_msg_size + 1] = llc_msg_size / 256; |
| 640 | msg[bssgp_msg_size + 2] = llc_msg_size % 256; |
| 641 | bssgp_msg_size += 3; |
| 642 | } |
| 643 | memcpy(msg + bssgp_msg_size, llc_msg, llc_msg_size); |
| 644 | bssgp_msg_size += llc_msg_size; |
| 645 | |
| 646 | |
| 647 | send_ns_unitdata(nsi, text ? text : "BSSGP DL UNITDATA", |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 648 | nsei, nsbvci, msg, bssgp_msg_size); |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 649 | } |
| 650 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 651 | static void send_bssgp_reset(struct gprs_ns2_inst *nsi, |
| 652 | uint16_t nsei, uint16_t bvci) |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 653 | { |
| 654 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 655 | * BSSGP RESET */ |
Jacob Erlbeck | 8a600ae | 2014-08-06 12:38:10 +0200 | [diff] [blame] | 656 | unsigned char msg[18] = { |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 657 | 0x22, 0x04, 0x82, 0x4a, |
Jacob Erlbeck | 3f08632 | 2014-06-02 10:48:59 +0200 | [diff] [blame] | 658 | 0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x11, 0x22, |
| 659 | 0x33, 0x40, 0x50, 0x60, 0x10, 0x00 |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 660 | }; |
| 661 | |
| 662 | msg[3] = bvci / 256; |
| 663 | msg[4] = bvci % 256; |
| 664 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 665 | send_ns_unitdata(nsi, "BVC_RESET", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 666 | } |
| 667 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 668 | static void send_bssgp_reset_ack(struct gprs_ns2_inst *nsi, |
| 669 | uint16_t nsei, uint16_t bvci) |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 670 | { |
| 671 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 672 | * BSSGP RESET_ACK */ |
| 673 | static unsigned char msg[5] = { |
| 674 | 0x23, 0x04, 0x82, 0x00, |
| 675 | 0x00 |
| 676 | }; |
| 677 | |
| 678 | msg[3] = bvci / 256; |
| 679 | msg[4] = bvci % 256; |
| 680 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 681 | send_ns_unitdata(nsi, "BVC_RESET_ACK", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 682 | } |
| 683 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 684 | static void send_bssgp_suspend(struct gprs_ns2_inst *nsi, |
| 685 | uint16_t nsei, |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 686 | uint32_t tlli, |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 687 | struct gprs_ra_id *raid) |
| 688 | { |
| 689 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 690 | unsigned char msg[15] = { |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 691 | 0x0b, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 692 | 0x86, /* RAI */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 693 | }; |
| 694 | |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 695 | msg[3] = (uint8_t)(tlli >> 24); |
| 696 | msg[4] = (uint8_t)(tlli >> 16); |
| 697 | msg[5] = (uint8_t)(tlli >> 8); |
| 698 | msg[6] = (uint8_t)(tlli >> 0); |
| 699 | |
Max | 9f13b14 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 700 | gsm48_encode_ra((struct gsm48_ra_id *)(msg + 9), raid); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 701 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 702 | send_ns_unitdata(nsi, "BVC_SUSPEND", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 703 | } |
| 704 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 705 | static void send_bssgp_suspend_ack(struct gprs_ns2_inst *nsi, |
| 706 | uint16_t nsei, |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 707 | uint32_t tlli, |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 708 | struct gprs_ra_id *raid) |
| 709 | { |
| 710 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND ACK */ |
| 711 | unsigned char msg[18] = { |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 712 | 0x0c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 713 | 0x86, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1d, |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 714 | 0x81, 0x01 |
| 715 | }; |
| 716 | |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 717 | msg[3] = (uint8_t)(tlli >> 24); |
| 718 | msg[4] = (uint8_t)(tlli >> 16); |
| 719 | msg[5] = (uint8_t)(tlli >> 8); |
| 720 | msg[6] = (uint8_t)(tlli >> 0); |
| 721 | |
Max | 9f13b14 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 722 | gsm48_encode_ra((struct gsm48_ra_id *)(msg + 9), raid); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 723 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 724 | send_ns_unitdata(nsi, "BVC_SUSPEND_ACK", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 725 | } |
| 726 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 727 | static void send_bssgp_llc_discarded(struct gprs_ns2_inst *nsi, |
| 728 | uint16_t nsei, |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 729 | uint16_t bvci, uint32_t tlli, |
| 730 | unsigned n_frames, unsigned n_octets) |
| 731 | { |
| 732 | /* Base Station Subsystem GPRS Protocol: LLC-DISCARDED (0x2c) */ |
| 733 | unsigned char msg[] = { |
| 734 | 0x2c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x0f, |
| 735 | 0x81, /* n frames */ 0xff, 0x04, 0x82, /* BVCI */ 0xff, 0xff, 0x25, 0x83, |
| 736 | /* n octets */ 0xff, 0xff, 0xff |
| 737 | }; |
| 738 | |
| 739 | msg[3] = (uint8_t)(tlli >> 24); |
| 740 | msg[4] = (uint8_t)(tlli >> 16); |
| 741 | msg[5] = (uint8_t)(tlli >> 8); |
| 742 | msg[6] = (uint8_t)(tlli >> 0); |
| 743 | msg[9] = (uint8_t)(n_frames); |
| 744 | msg[12] = (uint8_t)(bvci >> 8); |
| 745 | msg[13] = (uint8_t)(bvci >> 0); |
| 746 | msg[16] = (uint8_t)(n_octets >> 16); |
| 747 | msg[17] = (uint8_t)(n_octets >> 8); |
| 748 | msg[18] = (uint8_t)(n_octets >> 0); |
| 749 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 750 | send_ns_unitdata(nsi, "LLC_DISCARDED", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 751 | } |
| 752 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 753 | static void send_bssgp_paging(struct gprs_ns2_inst *nsi, |
| 754 | uint16_t nsei, |
Jacob Erlbeck | d5f24fd | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 755 | const uint8_t *imsi, size_t imsi_size, |
| 756 | struct gprs_ra_id *raid, uint32_t ptmsi) |
| 757 | { |
| 758 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 759 | unsigned char msg[100] = { |
| 760 | 0x06, |
| 761 | }; |
| 762 | |
| 763 | const unsigned char drx_ie[] = {0x0a, 0x82, 0x07, 0x04}; |
| 764 | const unsigned char qos_ie[] = {0x18, 0x83, 0x00, 0x00, 0x00}; |
| 765 | |
| 766 | size_t bssgp_msg_size = 1; |
| 767 | |
| 768 | if (imsi) { |
| 769 | OSMO_ASSERT(imsi_size <= 127); |
| 770 | msg[bssgp_msg_size] = BSSGP_IE_IMSI; |
| 771 | msg[bssgp_msg_size + 1] = 0x80 | imsi_size; |
| 772 | memcpy(msg + bssgp_msg_size + 2, imsi, imsi_size); |
| 773 | bssgp_msg_size += 2 + imsi_size; |
| 774 | } |
| 775 | |
| 776 | memcpy(msg + bssgp_msg_size, drx_ie, sizeof(drx_ie)); |
| 777 | bssgp_msg_size += sizeof(drx_ie); |
| 778 | |
| 779 | if (raid) { |
| 780 | msg[bssgp_msg_size] = BSSGP_IE_ROUTEING_AREA; |
| 781 | msg[bssgp_msg_size+1] = 0x86; |
Max | 9f13b14 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 782 | gsm48_encode_ra((struct gsm48_ra_id *)(msg + bssgp_msg_size + 2), raid); |
Jacob Erlbeck | d5f24fd | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 783 | bssgp_msg_size += 8; |
| 784 | } |
| 785 | |
| 786 | memcpy(msg + bssgp_msg_size, qos_ie, sizeof(qos_ie)); |
| 787 | bssgp_msg_size += sizeof(qos_ie); |
| 788 | |
| 789 | if (ptmsi != GSM_RESERVED_TMSI) { |
| 790 | const uint32_t ptmsi_be = htonl(ptmsi); |
| 791 | msg[bssgp_msg_size] = BSSGP_IE_TMSI; |
| 792 | msg[bssgp_msg_size+1] = 0x84; |
| 793 | memcpy(msg + bssgp_msg_size + 2, &ptmsi_be, 4); |
| 794 | bssgp_msg_size += 6; |
| 795 | } |
| 796 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 797 | send_ns_unitdata(nsi, "PAGING_PS", nsei, 0, msg, bssgp_msg_size); |
Jacob Erlbeck | d5f24fd | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 798 | } |
| 799 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 800 | static void send_bssgp_flow_control_bvc(struct gprs_ns2_inst *nsi, |
| 801 | uint16_t nsei, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 802 | uint16_t bvci, uint8_t tag) |
| 803 | { |
| 804 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 805 | * BSSGP FLOW_CONTROL_BVC */ |
| 806 | unsigned char msg[] = { |
| 807 | 0x26, 0x1e, 0x81, /* Tag */ 0xff, 0x05, 0x82, 0x01, 0xdc, |
| 808 | 0x03, 0x82, 0x02, 0x76, 0x01, 0x82, 0x00, 0x50, |
| 809 | 0x1c, 0x82, 0x02, 0x58, 0x06, 0x82, 0x00, 0x03 |
| 810 | }; |
| 811 | |
| 812 | msg[3] = tag; |
| 813 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 814 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC", nsei, bvci, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 815 | msg, sizeof(msg)); |
| 816 | } |
| 817 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 818 | static void send_bssgp_flow_control_bvc_ack(struct gprs_ns2_inst *nsi, |
| 819 | uint16_t nsei, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 820 | uint16_t bvci, uint8_t tag) |
| 821 | { |
| 822 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 823 | * BSSGP FLOW_CONTROL_BVC_ACK */ |
| 824 | unsigned char msg[] = { |
| 825 | 0x27, 0x1e, 0x81, /* Tag */ 0xce |
| 826 | }; |
| 827 | |
| 828 | msg[3] = tag; |
| 829 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 830 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC_ACK", nsei, bvci, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 831 | msg, sizeof(msg)); |
| 832 | } |
| 833 | |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 834 | static void send_llc_ul_ui( |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 835 | struct gprs_ns2_inst *nsi, const char *text, |
| 836 | uint16_t nsei, uint16_t nsbvci, uint32_t tlli, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 837 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 838 | unsigned sapi, unsigned nu, |
| 839 | const uint8_t *msg, size_t msg_size) |
| 840 | { |
| 841 | unsigned char llc_msg[4096] = { |
| 842 | 0x00, 0xc0, 0x01 |
| 843 | }; |
| 844 | |
| 845 | size_t llc_msg_size = 3 + msg_size + 3; |
| 846 | uint8_t e_bit = 0; |
| 847 | uint8_t pm_bit = 1; |
| 848 | unsigned fcs; |
| 849 | |
| 850 | nu &= 0x01ff; |
| 851 | |
| 852 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 853 | |
| 854 | llc_msg[0] = (sapi & 0x0f); |
| 855 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 856 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 857 | |
| 858 | memcpy(llc_msg + 3, msg, msg_size); |
| 859 | |
| 860 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 861 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 862 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 863 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 864 | |
| 865 | send_bssgp_ul_unitdata(nsi, text ? text : "LLC UI", |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 866 | nsei, nsbvci, tlli, raid, cell_id, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 867 | llc_msg, llc_msg_size); |
| 868 | } |
| 869 | |
| 870 | static void send_llc_dl_ui( |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 871 | struct gprs_ns2_inst *nsi, const char *text, |
| 872 | uint16_t nsei, uint16_t nsbvci, uint32_t tlli, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 873 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 874 | unsigned sapi, unsigned nu, |
| 875 | const uint8_t *msg, size_t msg_size) |
| 876 | { |
| 877 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 878 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 879 | unsigned char llc_msg[4096] = { |
| 880 | 0x00, 0x00, 0x01 |
| 881 | }; |
| 882 | |
| 883 | size_t llc_msg_size = 3 + msg_size + 3; |
| 884 | uint8_t e_bit = 0; |
| 885 | uint8_t pm_bit = 1; |
| 886 | unsigned fcs; |
| 887 | |
| 888 | nu &= 0x01ff; |
| 889 | |
| 890 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 891 | |
| 892 | llc_msg[0] = 0x40 | (sapi & 0x0f); |
| 893 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 894 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 895 | |
| 896 | memcpy(llc_msg + 3, msg, msg_size); |
| 897 | |
| 898 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 899 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 900 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 901 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 902 | |
| 903 | send_bssgp_dl_unitdata(nsi, text ? text : "LLC UI", |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 904 | nsei, nsbvci, tlli, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 905 | with_racap_drx, imsi, imsi_size, |
| 906 | llc_msg, llc_msg_size); |
| 907 | } |
| 908 | |
| 909 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 910 | /* STATUS indications */ |
| 911 | static void send_ns_avail(struct gprs_ns2_inst *nsi, |
| 912 | uint16_t sgsn_nsei) |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 913 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 914 | struct osmo_gprs_ns2_prim nsp = {}; |
| 915 | nsp.nsei = sgsn_nsei; |
| 916 | nsp.bvci = 0; |
| 917 | nsp.u.status.cause = NS_AFF_CAUSE_RECOVERY; |
| 918 | nsp.u.status.transfer = -1; |
| 919 | nsp.u.status.first = true; |
| 920 | osmo_prim_init(&nsp.oph, SAP_NS, PRIM_NS_STATUS, |
| 921 | PRIM_OP_INDICATION, NULL); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 922 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 923 | gprs_ns2_callback(&nsp.oph, &gbcfg); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 924 | } |
| 925 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 926 | static void setup_ns(struct gprs_ns2_inst *nsi, |
| 927 | uint16_t nsei) |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 928 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 929 | printf("Setup NS-VC: " |
| 930 | "NSEI 0x%04x(%d)\n\n", |
| 931 | nsei, nsei); |
| 932 | send_ns_avail(nsi, nsei); |
Daniel Willmann | af7398a | 2020-11-30 14:28:52 +0100 | [diff] [blame] | 933 | send_bssgp_reset(nsi, nsei, 0); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 934 | } |
| 935 | |
| 936 | static void setup_bssgp(struct gprs_ns2_inst *nsi, |
| 937 | uint16_t nsei, uint16_t bvci) |
| 938 | { |
| 939 | printf("Setup BSSGP: " |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 940 | "BVCI 0x%04x(%d)\n\n", |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 941 | bvci, bvci); |
| 942 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 943 | send_bssgp_reset(nsi, nsei, bvci); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 944 | } |
| 945 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 946 | static void connect_sgsn(struct gprs_ns2_inst *nsi, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 947 | uint32_t sgsn_nsei) |
Jacob Erlbeck | 738b1c8 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 948 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 949 | send_ns_avail(nsi, sgsn_nsei); |
Jacob Erlbeck | 738b1c8 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 950 | } |
| 951 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 952 | /* Function used to send a BSSGP message through NS */ |
| 953 | static int gbprox_test_bssgp_send_cb(void *ctx, struct msgb *msg) |
Holger Hans Peter Freyther | 731097d | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 954 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 955 | int rc; |
| 956 | struct gbproxy_config *cfg = (struct gbproxy_config *) ctx; |
Holger Hans Peter Freyther | 731097d | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 957 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 958 | uint16_t nsei = msgb_nsei(msg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 959 | uint16_t bvci = msgb_bvci(msg); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 960 | |
Jacob Erlbeck | a4b5e89 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 961 | if (received_messages) { |
| 962 | struct msgb *msg_copy; |
Pau Espin Pedrol | 1877d8e | 2018-08-15 13:53:48 +0200 | [diff] [blame] | 963 | msg_copy = bssgp_msgb_copy(msg, "received_messages"); |
Jacob Erlbeck | a4b5e89 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 964 | llist_add_tail(&msg_copy->list, received_messages); |
| 965 | } |
| 966 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 967 | if (nsei == cfg->nsip_sgsn_nsei) |
| 968 | printf("Message for SGSN"); |
| 969 | else if (nsei == cfg->nsip_sgsn2_nsei) |
| 970 | printf("Message for SGSN2"); |
| 971 | else |
| 972 | printf("Message for BSS"); |
| 973 | printf(" (NSEI=%d BVCI=%d):\n%s\n\n", nsei, bvci, msgb_hexdump(msg)); |
| 974 | |
| 975 | rc = msgb_length(msg); |
| 976 | msgb_free(msg); |
| 977 | |
| 978 | return rc; |
| 979 | } |
| 980 | |
| 981 | static void gprs_ns2_test_prim_status_cb(struct gbproxy_config *cfg, struct osmo_gprs_ns2_prim *nsp) |
| 982 | { |
| 983 | enum gprs_ns2_affecting_cause cause = nsp->u.status.cause; |
| 984 | |
| 985 | switch (cause) { |
| 986 | case NS_AFF_CAUSE_RECOVERY: |
| 987 | LOGP(DPCU, LOGL_NOTICE, "NS-NSE %d became available\n", nsp->nsei); |
| 988 | break; |
| 989 | case NS_AFF_CAUSE_FAILURE: |
| 990 | LOGP(DPCU, LOGL_NOTICE, "NS-NSE %d became unavailable\n", nsp->nsei); |
| 991 | break; |
| 992 | case NS_AFF_CAUSE_VC_RECOVERY: |
| 993 | LOGP(DPCU, LOGL_NOTICE, "NS-NSE %d NS-VC %s became available\n", nsp->nsei, nsp->u.status.nsvc); |
| 994 | break; |
| 995 | case NS_AFF_CAUSE_VC_FAILURE: |
| 996 | LOGP(DPCU, LOGL_NOTICE, "NS-NSE %d NS-VC %s became unavailable\n", nsp->nsei, nsp->u.status.nsvc); |
| 997 | break; |
| 998 | default: |
| 999 | LOGP(DPCU, LOGL_NOTICE, "Unhandled status %d (NS-NSE %d)\n", cause, nsp->nsei); |
| 1000 | break; |
| 1001 | } |
| 1002 | } |
| 1003 | |
| 1004 | int gprs_ns2_prim_cb(struct osmo_prim_hdr *oph, void *ctx); |
| 1005 | |
| 1006 | /* override */ |
| 1007 | static int gprs_ns2_callback(struct osmo_prim_hdr *oph, void *ctx) |
| 1008 | { |
| 1009 | struct osmo_gprs_ns2_prim *nsp; |
| 1010 | struct gbproxy_config *cfg = (struct gbproxy_config *) ctx; |
| 1011 | |
| 1012 | if (oph->sap != SAP_NS) |
| 1013 | return 0; |
| 1014 | |
| 1015 | nsp = container_of(oph, struct osmo_gprs_ns2_prim, oph); |
| 1016 | |
| 1017 | if (oph->operation != PRIM_OP_INDICATION) { |
| 1018 | LOGP(DPCU, LOGL_NOTICE, "NS: %s Unknown prim %d from NS\n", |
| 1019 | get_value_string(osmo_prim_op_names, oph->operation), |
| 1020 | oph->operation); |
| 1021 | return 0; |
| 1022 | } |
| 1023 | |
| 1024 | switch (oph->primitive) { |
| 1025 | case PRIM_NS_UNIT_DATA: |
| 1026 | /* hand the message into the BSSGP implementation */ |
| 1027 | msgb_bssgph(oph->msg) = oph->msg->l3h; |
| 1028 | msgb_bvci(oph->msg) = nsp->bvci; |
| 1029 | msgb_nsei(oph->msg) = nsp->nsei; |
| 1030 | printf("NS2 CALLBACK, prim %d, msg length %zu, bvci 0x%04x\n%s\n\n", |
| 1031 | oph->primitive, msgb_bssgp_len(oph->msg), nsp->bvci, |
| 1032 | osmo_hexdump(msgb_l2(oph->msg), msgb_l2len(oph->msg))); |
| 1033 | break; |
| 1034 | case PRIM_NS_STATUS: |
| 1035 | gprs_ns2_test_prim_status_cb(cfg, nsp); |
| 1036 | default: |
| 1037 | printf("NS2 CALLBACK, prim %d, bvci 0x%04x\n\n", |
| 1038 | oph->primitive, nsp->bvci); |
| 1039 | |
| 1040 | break; |
| 1041 | } |
| 1042 | |
Daniel Willmann | b655010 | 2020-11-04 17:32:56 +0100 | [diff] [blame] | 1043 | /* Hand off to gbproxy which will free the msg */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1044 | return gprs_ns2_prim_cb(oph, ctx); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1045 | } |
| 1046 | |
Jacob Erlbeck | a4b5e89 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 1047 | /* Get the next message from the receive FIFO |
| 1048 | * |
| 1049 | * \returns a pointer to the message which will be invalidated at the next call |
| 1050 | * to expect_msg. Returns NULL, if there is no message left. |
| 1051 | */ |
| 1052 | static struct msgb *expect_msg(void) |
| 1053 | { |
| 1054 | static struct msgb *msg = NULL; |
| 1055 | |
| 1056 | msgb_free(msg); |
| 1057 | msg = NULL; |
| 1058 | |
| 1059 | if (!received_messages) |
| 1060 | return NULL; |
| 1061 | |
| 1062 | if (llist_empty(received_messages)) |
| 1063 | return NULL; |
| 1064 | |
| 1065 | msg = llist_entry(received_messages->next, struct msgb, list); |
| 1066 | llist_del(&msg->list); |
| 1067 | |
| 1068 | return msg; |
| 1069 | } |
| 1070 | |
| 1071 | struct expect_result { |
| 1072 | struct msgb *msg; |
| 1073 | struct gprs_gb_parse_context parse_ctx; |
| 1074 | }; |
| 1075 | |
| 1076 | static struct expect_result *expect_bssgp_msg( |
| 1077 | int match_nsei, int match_bvci, int match_pdu_type) |
| 1078 | { |
| 1079 | static struct expect_result result; |
| 1080 | static const struct expect_result empty_result = {0,}; |
| 1081 | static struct msgb *msg; |
| 1082 | uint16_t nsei; |
| 1083 | int rc; |
| 1084 | |
| 1085 | memcpy(&result, &empty_result, sizeof(result)); |
| 1086 | |
| 1087 | msg = expect_msg(); |
| 1088 | if (!msg) |
| 1089 | return NULL; |
| 1090 | |
| 1091 | nsei = msgb_nsei(msg); |
| 1092 | |
| 1093 | if (match_nsei != MATCH_ANY && match_nsei != nsei) { |
| 1094 | fprintf(stderr, "%s: NSEI mismatch (expected %u, got %u)\n", |
| 1095 | __func__, match_nsei, nsei); |
| 1096 | return NULL; |
| 1097 | } |
| 1098 | |
| 1099 | if (match_bvci != MATCH_ANY && match_bvci != msgb_bvci(msg)) { |
| 1100 | fprintf(stderr, "%s: BVCI mismatch (expected %u, got %u)\n", |
| 1101 | __func__, match_bvci, msgb_bvci(msg)); |
| 1102 | return NULL; |
| 1103 | } |
| 1104 | |
| 1105 | result.msg = msg; |
| 1106 | |
| 1107 | result.parse_ctx.to_bss = nsei != SGSN_NSEI && nsei != SGSN2_NSEI; |
| 1108 | result.parse_ctx.peer_nsei = nsei; |
| 1109 | |
| 1110 | if (!msgb_bssgph(msg)) { |
| 1111 | fprintf(stderr, "%s: Expected BSSGP\n", __func__); |
| 1112 | return NULL; |
| 1113 | } |
| 1114 | |
| 1115 | rc = gprs_gb_parse_bssgp(msgb_bssgph(msg), msgb_bssgp_len(msg), |
| 1116 | &result.parse_ctx); |
| 1117 | |
| 1118 | if (!rc) { |
| 1119 | fprintf(stderr, "%s: Failed to parse message\n", __func__); |
| 1120 | return NULL; |
| 1121 | } |
| 1122 | |
| 1123 | if (match_pdu_type != MATCH_ANY && |
| 1124 | match_pdu_type != result.parse_ctx.pdu_type) { |
| 1125 | fprintf(stderr, "%s: PDU type mismatch (expected %u, got %u)\n", |
| 1126 | __func__, match_pdu_type, result.parse_ctx.pdu_type); |
| 1127 | return NULL; |
| 1128 | } |
| 1129 | |
| 1130 | return &result; |
| 1131 | } |
| 1132 | |
| 1133 | static struct expect_result *expect_llc_msg( |
| 1134 | int match_nsei, int match_bvci, int match_sapi, int match_type) |
| 1135 | { |
| 1136 | static struct expect_result *result; |
| 1137 | |
| 1138 | result = expect_bssgp_msg(match_nsei, match_bvci, MATCH_ANY); |
| 1139 | if (!result) |
| 1140 | return NULL; |
| 1141 | |
| 1142 | if (!result->parse_ctx.llc) { |
| 1143 | fprintf(stderr, "%s: Expected LLC message\n", __func__); |
| 1144 | return NULL; |
| 1145 | } |
| 1146 | |
| 1147 | if (match_sapi != MATCH_ANY && |
| 1148 | match_sapi != result->parse_ctx.llc_hdr_parsed.sapi) { |
| 1149 | fprintf(stderr, "%s: LLC SAPI mismatch (expected %u, got %u)\n", |
| 1150 | __func__, match_sapi, result->parse_ctx.llc_hdr_parsed.sapi); |
| 1151 | return NULL; |
| 1152 | } |
| 1153 | |
| 1154 | if (match_type != MATCH_ANY && |
| 1155 | match_type != result->parse_ctx.llc_hdr_parsed.cmd) { |
| 1156 | fprintf(stderr, |
| 1157 | "%s: LLC command/type mismatch (expected %u, got %u)\n", |
| 1158 | __func__, match_type, result->parse_ctx.llc_hdr_parsed.cmd); |
| 1159 | return NULL; |
| 1160 | } |
| 1161 | |
| 1162 | return result; |
| 1163 | } |
| 1164 | |
| 1165 | static struct expect_result *expect_gmm_msg(int match_nsei, int match_bvci, |
| 1166 | int match_type) |
| 1167 | { |
| 1168 | static struct expect_result *result; |
| 1169 | |
| 1170 | result = expect_llc_msg(match_nsei, match_bvci, GPRS_SAPI_GMM, GPRS_LLC_UI); |
| 1171 | if (!result) |
| 1172 | return NULL; |
| 1173 | |
| 1174 | if (!result->parse_ctx.g48_hdr) { |
| 1175 | fprintf(stderr, "%s: Expected GSM 04.08 message\n", __func__); |
| 1176 | return NULL; |
| 1177 | } |
| 1178 | |
| 1179 | if (match_type != MATCH_ANY && |
| 1180 | match_type != result->parse_ctx.g48_hdr->msg_type) { |
| 1181 | fprintf(stderr, |
| 1182 | "%s: GSM 04.08 message type mismatch (expected %u, got %u)\n", |
| 1183 | __func__, match_type, result->parse_ctx.g48_hdr->msg_type); |
| 1184 | return NULL; |
| 1185 | } |
| 1186 | |
| 1187 | return result; |
| 1188 | } |
| 1189 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1190 | static void test_gbproxy() |
| 1191 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1192 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
| 1193 | uint16_t bss_nsei[2] = {0x1000, 0x2000}; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1194 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1195 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1196 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1197 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1198 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1199 | |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1200 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1201 | printf("--- Initialise SGSN ---\n\n"); |
| 1202 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1203 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1204 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1205 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1206 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1207 | setup_ns(nsi, bss_nsei[0]); |
| 1208 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1209 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1210 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1211 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1212 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1213 | printf("--- Initialise BSS 2 ---\n\n"); |
| 1214 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1215 | setup_ns(nsi, bss_nsei[1]); |
| 1216 | setup_bssgp(nsi, bss_nsei[1], 0x2002); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1217 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1218 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1219 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x2002); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1220 | |
| 1221 | printf("--- Reset BSS 1 with a new BVCI ---\n\n"); |
| 1222 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1223 | setup_bssgp(nsi, bss_nsei[0], 0x1012); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1224 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1225 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1226 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1012); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1227 | |
| 1228 | printf("--- Reset BSS 1 with the old BVCI ---\n\n"); |
| 1229 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1230 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1231 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1232 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1233 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1234 | |
| 1235 | printf("--- Reset BSS 1 with the old BVCI again ---\n\n"); |
| 1236 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1237 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1238 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1239 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1240 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1241 | |
| 1242 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1012 ---\n\n"); |
| 1243 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1244 | send_ns_unitdata(nsi, NULL, bss_nsei[0], 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1245 | |
| 1246 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1012 ---\n\n"); |
| 1247 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1248 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1249 | |
| 1250 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1251 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1252 | send_ns_unitdata(nsi, NULL, bss_nsei[0], 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1253 | |
| 1254 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1255 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1256 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1257 | |
| 1258 | printf("--- Send message from BSS 2 to SGSN, BVCI 0x2002 ---\n\n"); |
| 1259 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1260 | send_ns_unitdata(nsi, NULL, bss_nsei[0], 0x2002, (uint8_t *)"", 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1261 | |
| 1262 | printf("--- Send message from SGSN to BSS 2, BVCI 0x2002 ---\n\n"); |
| 1263 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1264 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x2002, (uint8_t *)"", 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1265 | |
| 1266 | printf("--- Reset BSS 1 with the old BVCI on BSS2's link ---\n\n"); |
| 1267 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1268 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1269 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1270 | |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1271 | dump_global(stdout, 0); |
Jacob Erlbeck | cc4a2aa | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1272 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1273 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1274 | |
| 1275 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1276 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1277 | send_ns_unitdata(nsi, NULL, bss_nsei[0], 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1278 | |
| 1279 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1280 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1281 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1282 | |
Jacob Erlbeck | cc4a2aa | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1283 | printf("--- Send message from SGSN to BSS 1, BVCI 0x10ff (invalid) ---\n\n"); |
| 1284 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1285 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x10ff, (uint8_t *)"", 0); |
Jacob Erlbeck | cc4a2aa | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1286 | |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1287 | /* Find peer */ |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 1288 | OSMO_ASSERT(gbproxy_bvc_by_bvci(&gbcfg, 0xeeee) == NULL); |
| 1289 | OSMO_ASSERT(gbproxy_bvc_by_bvci(&gbcfg, 0x1000) == NULL); |
| 1290 | OSMO_ASSERT(gbproxy_bvc_by_bvci(&gbcfg, 0x1012) != NULL); |
| 1291 | OSMO_ASSERT(gbproxy_bvc_by_nsei(&gbcfg, 0xeeee) == NULL); |
| 1292 | OSMO_ASSERT(gbproxy_bvc_by_nsei(&gbcfg, 0x1012) == NULL); |
| 1293 | OSMO_ASSERT(gbproxy_bvc_by_nsei(&gbcfg, 0x1000) != NULL); |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1294 | |
| 1295 | |
| 1296 | /* Cleanup */ |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 1297 | OSMO_ASSERT(gbproxy_cleanup_bvcs(&gbcfg, 0, 0) == 0); |
| 1298 | OSMO_ASSERT(gbproxy_cleanup_bvcs(&gbcfg, 0x1000, 0xeeee) == 0); |
| 1299 | OSMO_ASSERT(gbproxy_cleanup_bvcs(&gbcfg, 0, 0x1002) == 0); |
| 1300 | OSMO_ASSERT(gbproxy_cleanup_bvcs(&gbcfg, 0x1000, 0x1012) == 1); |
| 1301 | OSMO_ASSERT(gbproxy_cleanup_bvcs(&gbcfg, 0x1000, 0x1012) == 0); |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1302 | |
| 1303 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1304 | |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1305 | dump_global(stdout, 0); |
Jacob Erlbeck | cc4a2aa | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1306 | |
Holger Hans Peter Freyther | 7d9c1df | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1307 | gbprox_reset(&gbcfg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1308 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1309 | nsi = NULL; |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1310 | } |
| 1311 | |
| 1312 | static void test_gbproxy_ident_changes() |
| 1313 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1314 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
| 1315 | uint16_t bss_nsei[2] = {0x1000, 0x2000}; |
Daniel Willmann | 5f677fd | 2020-11-30 15:15:23 +0100 | [diff] [blame] | 1316 | uint16_t bvci[4] = {0x1002, 0x2002, 0x3002}; |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1317 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1318 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1319 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1320 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1321 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1322 | |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1323 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1324 | printf("--- Initialise SGSN ---\n\n"); |
| 1325 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1326 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1327 | |
| 1328 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1329 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1330 | setup_ns(nsi, bss_nsei[0]); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1331 | |
| 1332 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1333 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1334 | setup_bssgp(nsi, bss_nsei[0], bvci[0]); |
| 1335 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[0]); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1336 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1337 | |
| 1338 | printf("--- Setup BVCI 2 ---\n\n"); |
| 1339 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1340 | setup_bssgp(nsi, bss_nsei[0], bvci[1]); |
| 1341 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[1]); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1342 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1343 | |
| 1344 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1345 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1346 | send_ns_unitdata(nsi, NULL, bss_nsei[0], bvci[0], (uint8_t *)"", 0); |
| 1347 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[0], (uint8_t *)"", 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1348 | |
| 1349 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 ---\n\n"); |
| 1350 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1351 | send_ns_unitdata(nsi, NULL, bss_nsei[0], bvci[1], (uint8_t *)"", 0); |
| 1352 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1353 | |
| 1354 | printf("--- Change NSEI ---\n\n"); |
| 1355 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1356 | setup_ns(nsi, bss_nsei[1]); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1357 | |
| 1358 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1359 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1360 | setup_bssgp(nsi, bss_nsei[1], bvci[0]); |
| 1361 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[0]); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1362 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1363 | |
| 1364 | printf("--- Setup BVCI 3 ---\n\n"); |
| 1365 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1366 | setup_bssgp(nsi, bss_nsei[1], bvci[2]); |
| 1367 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[2]); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1368 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1369 | |
| 1370 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1371 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1372 | send_ns_unitdata(nsi, NULL, bss_nsei[1], bvci[0], (uint8_t *)"", 0); |
| 1373 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[0], (uint8_t *)"", 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1374 | |
| 1375 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1376 | " (should fail) ---\n\n"); |
| 1377 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1378 | send_ns_unitdata(nsi, NULL, bss_nsei[1], bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1379 | dump_peers(stdout, 0, 0, &gbcfg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1380 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1381 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1382 | |
| 1383 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1384 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1385 | send_ns_unitdata(nsi, NULL, bss_nsei[0], bvci[2], (uint8_t *)"", 0); |
| 1386 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[2], (uint8_t *)"", 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1387 | |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1388 | dump_global(stdout, 0); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1389 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1390 | |
Holger Hans Peter Freyther | 7d9c1df | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1391 | gbprox_reset(&gbcfg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1392 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1393 | nsi = NULL; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1394 | } |
| 1395 | |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1396 | static void test_gbproxy_ra_patching() |
| 1397 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1398 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1399 | struct gprs_ra_id rai_bss = |
| 1400 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1401 | struct gprs_ra_id rai_sgsn = |
| 1402 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 1403 | struct gprs_ra_id rai_unknown = |
| 1404 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1405 | uint16_t cell_id = 0x7530; |
Jacob Erlbeck | 4303763 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1406 | const char *err_msg = NULL; |
Jacob Erlbeck | 3113287 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1407 | const uint32_t ptmsi = 0xefe2b700; |
| 1408 | const uint32_t local_tlli = 0xefe2b700; |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1409 | const uint32_t foreign_tlli = 0xbbc54679; |
Jacob Erlbeck | 89aa65b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1410 | const uint32_t foreign_tlli2 = 0xbb00beef; |
Neels Hofmeyr | 17d6134 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 1411 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 1412 | const char *patch_re = "^9898|^121314"; |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1413 | struct gbproxy_link_info *link_info; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 1414 | struct gbproxy_bvc *peer; |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1415 | LLIST_HEAD(rcv_list); |
Jacob Erlbeck | 4c70e71 | 2014-10-10 09:48:12 +0200 | [diff] [blame] | 1416 | struct expect_result *expect_res; |
Jacob Erlbeck | 3113287 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1417 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1418 | uint16_t bss_nsei[1] = { 0x1000 }; |
| 1419 | |
Jacob Erlbeck | 3113287 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1420 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1421 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1422 | gbcfg.nsi = nsi; |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1423 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 6179f0c | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 1424 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | d7b95e3 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 1425 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Holger Hans Peter Freyther | 2d10ad1 | 2014-08-04 14:22:13 +0200 | [diff] [blame] | 1426 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
Jacob Erlbeck | 383c841 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1427 | gbcfg.patch_ptmsi = 0; |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1428 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1429 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1430 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 1431 | if (gbproxy_set_patch_filter(&gbcfg.matches[GBPROX_MATCH_PATCHING], |
| 1432 | patch_re, &err_msg) != 0) { |
Jacob Erlbeck | 4303763 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1433 | fprintf(stderr, "Failed to compile RE '%s': %s\n", |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 1434 | patch_re, err_msg); |
Jacob Erlbeck | 4303763 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1435 | exit(1); |
| 1436 | } |
| 1437 | |
| 1438 | |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1439 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1440 | printf("--- Initialise SGSN ---\n\n"); |
| 1441 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1442 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1443 | |
| 1444 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1445 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1446 | setup_ns(nsi, bss_nsei[0]); |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1447 | |
| 1448 | received_messages = &rcv_list; |
| 1449 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1450 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1451 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1452 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 1453 | peer = gbproxy_bvc_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 3113287 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1454 | OSMO_ASSERT(peer != NULL); |
| 1455 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1456 | OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_BVC_RESET)); |
| 1457 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1458 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1459 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1460 | OSMO_ASSERT(expect_bssgp_msg(0x1000, 0, BSSGP_PDUT_BVC_RESET_ACK)); |
| 1461 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1462 | send_bssgp_suspend(nsi, bss_nsei[0], 0xccd1758b, &rai_bss); |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1463 | |
| 1464 | OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_SUSPEND)); |
| 1465 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1466 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, 0xccd1758b, &rai_sgsn); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1467 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1468 | OSMO_ASSERT(expect_bssgp_msg(0x1000, 0, BSSGP_PDUT_SUSPEND_ACK)); |
| 1469 | |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1470 | dump_global(stdout, 0); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1471 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1472 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1473 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1474 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1475 | |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1476 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1477 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1478 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1479 | foreign_tlli, &rai_bss, cell_id, |
| 1480 | GPRS_SAPI_GMM, 0, |
| 1481 | dtap_attach_req, sizeof(dtap_attach_req)); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1482 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1483 | OSMO_ASSERT(4 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1484 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1485 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1486 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1487 | foreign_tlli, 0, NULL, 0, |
| 1488 | GPRS_SAPI_GMM, 0, |
| 1489 | dtap_identity_req, sizeof(dtap_identity_req)); |
Jacob Erlbeck | dc6dcdf | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1490 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1491 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 1492 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1493 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1494 | foreign_tlli, &rai_bss, cell_id, |
| 1495 | GPRS_SAPI_GMM, 3, |
| 1496 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
Jacob Erlbeck | dc6dcdf | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1497 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1498 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ID_RESP)); |
| 1499 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1500 | OSMO_ASSERT(5 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1501 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1502 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1503 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1504 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1505 | GPRS_SAPI_GMM, 1, |
| 1506 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1507 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1508 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 1509 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1510 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1511 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 1512 | OSMO_ASSERT(gbproxy_bvc_by_rai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1513 | OSMO_ASSERT(gbproxy_bvc_by_rai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1514 | OSMO_ASSERT(gbproxy_bvc_by_rai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1515 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 1516 | OSMO_ASSERT(gbproxy_bvc_by_lai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1517 | OSMO_ASSERT(gbproxy_bvc_by_lai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1518 | OSMO_ASSERT(gbproxy_bvc_by_lai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1519 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 1520 | OSMO_ASSERT(gbproxy_bvc_by_lac(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1521 | OSMO_ASSERT(gbproxy_bvc_by_lac(&gbcfg, convert_ra(&rai_sgsn)) != NULL); |
| 1522 | OSMO_ASSERT(gbproxy_bvc_by_lac(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1523 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1524 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1525 | OSMO_ASSERT(link_info); |
| 1526 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1527 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1528 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1529 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1530 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1531 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1532 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 1533 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 3113287 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1534 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1535 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1536 | local_tlli, &rai_bss, cell_id, |
| 1537 | GPRS_SAPI_GMM, 4, |
| 1538 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
Jacob Erlbeck | 3113287 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1539 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1540 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 1541 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1542 | OSMO_ASSERT(6 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1543 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1544 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1545 | OSMO_ASSERT(link_info); |
| 1546 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1547 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1548 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1549 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1550 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1551 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1552 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1553 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 3113287 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1554 | |
Jacob Erlbeck | 386621c | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1555 | /* Replace APN (1) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1556 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1557 | local_tlli, &rai_bss, cell_id, |
| 1558 | GPRS_SAPI_GMM, 3, |
| 1559 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1560 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1561 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1562 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1563 | OSMO_ASSERT(7 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1564 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1565 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1566 | OSMO_ASSERT(link_info); |
| 1567 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1568 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1569 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1570 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1571 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1572 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1573 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1574 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 3113287 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1575 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1576 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1577 | local_tlli, 1, imsi, sizeof(imsi), |
| 1578 | GPRS_SAPI_GMM, 2, |
| 1579 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
Jacob Erlbeck | ab7366f | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 1580 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1581 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 1582 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1583 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1584 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1585 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1586 | OSMO_ASSERT(link_info); |
| 1587 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1588 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1589 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
| 1590 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_tlli); |
Jacob Erlbeck | 3113287 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1591 | |
Jacob Erlbeck | 386621c | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1592 | /* Replace APN (2) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1593 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1594 | local_tlli, &rai_bss, cell_id, |
| 1595 | GPRS_SAPI_GMM, 3, |
| 1596 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1597 | |
Jacob Erlbeck | 4c70e71 | 2014-10-10 09:48:12 +0200 | [diff] [blame] | 1598 | expect_res = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ); |
| 1599 | OSMO_ASSERT(expect_res != NULL); |
| 1600 | OSMO_ASSERT(expect_res->parse_ctx.apn_ie_len == gbcfg.core_apn_size + 2); |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1601 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1602 | OSMO_ASSERT(8 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1603 | |
Jacob Erlbeck | 5620c6d | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1604 | gbcfg.core_apn[0] = 0; |
| 1605 | gbcfg.core_apn_size = 0; |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1606 | |
| 1607 | /* Remove APN */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1608 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1609 | local_tlli, &rai_bss, cell_id, |
| 1610 | GPRS_SAPI_GMM, 3, |
| 1611 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1612 | |
Jacob Erlbeck | 4c70e71 | 2014-10-10 09:48:12 +0200 | [diff] [blame] | 1613 | expect_res = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ); |
| 1614 | OSMO_ASSERT(expect_res != NULL); |
| 1615 | OSMO_ASSERT(expect_res->parse_ctx.apn_ie_len == 0); |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1616 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1617 | OSMO_ASSERT(9 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1618 | |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1619 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 386621c | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1620 | |
Jacob Erlbeck | bf6020f | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1621 | /* Detach */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1622 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1623 | local_tlli, &rai_bss, cell_id, |
| 1624 | GPRS_SAPI_GMM, 6, |
| 1625 | dtap_detach_req, sizeof(dtap_detach_req)); |
Jacob Erlbeck | bf6020f | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1626 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1627 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 1628 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1629 | OSMO_ASSERT(10 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1630 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1631 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1632 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1633 | local_tlli, 1, imsi, sizeof(imsi), |
| 1634 | GPRS_SAPI_GMM, 5, |
| 1635 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
Jacob Erlbeck | bf6020f | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1636 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1637 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 1638 | |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1639 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 386621c | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1640 | |
| 1641 | printf("--- RA update ---\n\n"); |
| 1642 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1643 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1644 | foreign_tlli, &rai_bss, 0x7080, |
| 1645 | GPRS_SAPI_GMM, 5, |
| 1646 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
Jacob Erlbeck | 386621c | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1647 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1648 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_RA_UPD_REQ)); |
| 1649 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1650 | OSMO_ASSERT(12 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1651 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1652 | send_llc_dl_ui(nsi, "RA UPD ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1653 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1654 | GPRS_SAPI_GMM, 6, |
| 1655 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
Jacob Erlbeck | 386621c | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1656 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1657 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_RA_UPD_ACK)); |
| 1658 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1659 | OSMO_ASSERT(3 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1660 | |
Jacob Erlbeck | 386621c | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1661 | /* Remove APN */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1662 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1663 | local_tlli, &rai_bss, cell_id, |
| 1664 | GPRS_SAPI_GMM, 3, |
| 1665 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 386621c | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1666 | |
Jacob Erlbeck | 4c70e71 | 2014-10-10 09:48:12 +0200 | [diff] [blame] | 1667 | expect_res = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ); |
| 1668 | OSMO_ASSERT(expect_res != NULL); |
| 1669 | OSMO_ASSERT(expect_res->parse_ctx.apn_ie_len == 0); |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1670 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1671 | OSMO_ASSERT(13 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1672 | |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1673 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 386621c | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1674 | |
Jacob Erlbeck | f95340d | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 1675 | /* Detach (power off -> no Detach Accept) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1676 | send_llc_ul_ui(nsi, "DETACH REQ (PWR OFF)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1677 | local_tlli, &rai_bss, cell_id, |
| 1678 | GPRS_SAPI_GMM, 6, |
| 1679 | dtap_detach_po_req, sizeof(dtap_detach_po_req)); |
Jacob Erlbeck | 386621c | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1680 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1681 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 1682 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1683 | OSMO_ASSERT(14 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1684 | |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1685 | dump_global(stdout, 0); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1686 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1687 | |
| 1688 | printf("--- Bad cases ---\n\n"); |
| 1689 | |
Jacob Erlbeck | 89aa65b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1690 | /* The RAI in the Attach Request message differs from the RAI in the |
| 1691 | * BSSGP message, only patch the latter */ |
| 1692 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1693 | send_llc_ul_ui(nsi, "ATTACH REQUEST (foreign RAI)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 89aa65b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1694 | foreign_tlli2, &rai_bss, cell_id, |
| 1695 | GPRS_SAPI_GMM, 0, |
| 1696 | dtap_attach_req2, sizeof(dtap_attach_req2)); |
| 1697 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1698 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 1699 | |
Jacob Erlbeck | 550898a | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1700 | OSMO_ASSERT(15 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1701 | |
Jacob Erlbeck | 4303763 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1702 | printf("TLLI is already detached, shouldn't patch\n"); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1703 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 322d9f9 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1704 | local_tlli, &rai_bss, cell_id, |
| 1705 | GPRS_SAPI_GMM, 3, |
| 1706 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | bf6020f | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1707 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1708 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1709 | |
Jacob Erlbeck | 90a1fd1 | 2014-05-27 13:49:04 +0200 | [diff] [blame] | 1710 | printf("Invalid RAI, shouldn't patch\n"); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1711 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, 0xccd1758b, &rai_unknown); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1712 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1713 | /* TODO: The following breaks with the current libosmocore, enable it |
| 1714 | * again (and remove the plain expect_msg), when the msgb_bssgph patch |
| 1715 | * is integrated */ |
| 1716 | /* OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_STATUS)); */ |
| 1717 | OSMO_ASSERT(expect_msg()); |
| 1718 | |
Holger Hans Peter Freyther | f28f8f5 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1719 | dump_global(stdout, 0); |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1720 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1721 | |
Jacob Erlbeck | e4b5f38 | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1722 | OSMO_ASSERT(!expect_msg()); |
| 1723 | received_messages = NULL; |
| 1724 | |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 1725 | talloc_free(gbcfg.core_apn); |
| 1726 | gbcfg.core_apn = NULL; |
| 1727 | |
Jacob Erlbeck | 8fbf44a | 2014-09-25 11:21:34 +0200 | [diff] [blame] | 1728 | gbproxy_clear_patch_filter(&gbcfg.matches[GBPROX_MATCH_PATCHING]); |
Holger Hans Peter Freyther | 7d9c1df | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1729 | gbprox_reset(&gbcfg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1730 | gprs_ns2_free(nsi); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1731 | nsi = NULL; |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1732 | } |
| 1733 | |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1734 | static void test_gbproxy_ptmsi_assignment() |
| 1735 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1736 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1737 | struct gprs_ra_id rai_bss = |
| 1738 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1739 | struct gprs_ra_id rai_unknown = |
| 1740 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1741 | uint16_t cell_id = 0x1234; |
| 1742 | |
| 1743 | const uint32_t ptmsi = 0xefe2b700; |
| 1744 | const uint32_t local_tlli = 0xefe2b700; |
| 1745 | |
| 1746 | const uint32_t foreign_tlli1 = 0x8000dead; |
| 1747 | const uint32_t foreign_tlli2 = 0x8000beef; |
| 1748 | |
Neels Hofmeyr | 17d6134 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 1749 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
| 1750 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1751 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1752 | struct gbproxy_link_info *link_info, *link_info2; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 1753 | struct gbproxy_bvc *peer; |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1754 | unsigned bss_nu = 0; |
| 1755 | unsigned sgsn_nu = 0; |
| 1756 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1757 | uint16_t bss_nsei[1] = { 0x1000 }; |
| 1758 | |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1759 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 1760 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1761 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1762 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 6179f0c | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 1763 | gbcfg.core_plmn = (struct osmo_plmn_id){}; |
Pau Espin Pedrol | d7b95e3 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 1764 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1765 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 1766 | gbcfg.patch_ptmsi = 0; |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1767 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1768 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1769 | |
| 1770 | printf("=== %s ===\n", __func__); |
| 1771 | printf("--- Initialise SGSN ---\n\n"); |
| 1772 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1773 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1774 | |
| 1775 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1776 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1777 | setup_ns(nsi, bss_nsei[0]); |
| 1778 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1779 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 1780 | peer = gbproxy_bvc_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1781 | OSMO_ASSERT(peer != NULL); |
| 1782 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1783 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1784 | |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1785 | dump_global(stdout, 0); |
| 1786 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1787 | |
| 1788 | printf("--- Establish first LLC connection ---\n\n"); |
| 1789 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1790 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1791 | foreign_tlli1, &rai_unknown, cell_id, |
| 1792 | GPRS_SAPI_GMM, bss_nu++, |
| 1793 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1794 | |
| 1795 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1796 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1797 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1798 | foreign_tlli1, 0, NULL, 0, |
| 1799 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1800 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1801 | |
| 1802 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1803 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1804 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1805 | foreign_tlli1, &rai_bss, cell_id, |
| 1806 | GPRS_SAPI_GMM, bss_nu++, |
| 1807 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 1808 | |
| 1809 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1810 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1811 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1812 | foreign_tlli1, 1, imsi1, sizeof(imsi1), |
| 1813 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1814 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1815 | |
| 1816 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1817 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1818 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli1); |
| 1819 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1820 | OSMO_ASSERT(link_info); |
| 1821 | OSMO_ASSERT(link_info == link_info2); |
| 1822 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1823 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli1); |
| 1824 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1825 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1826 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1827 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1828 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1829 | local_tlli, &rai_bss, cell_id, |
| 1830 | GPRS_SAPI_GMM, bss_nu++, |
| 1831 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1832 | |
| 1833 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1834 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1835 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1836 | OSMO_ASSERT(link_info); |
| 1837 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1838 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli1); |
| 1839 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1840 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1841 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1842 | |
| 1843 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1844 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1845 | local_tlli, 1, imsi1, sizeof(imsi1), |
| 1846 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1847 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1848 | |
| 1849 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1850 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1851 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 1852 | OSMO_ASSERT(link_info); |
| 1853 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
| 1854 | OSMO_ASSERT(!gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2))); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1855 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1856 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1857 | OSMO_ASSERT(link_info == link_info2); |
| 1858 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1859 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1860 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1861 | |
| 1862 | printf("--- Establish second LLC connection with the same P-TMSI ---\n\n"); |
| 1863 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1864 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1865 | foreign_tlli2, &rai_unknown, cell_id, |
| 1866 | GPRS_SAPI_GMM, bss_nu++, |
| 1867 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1868 | |
| 1869 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1870 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1871 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1872 | foreign_tlli2, 0, NULL, 0, |
| 1873 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1874 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1875 | |
| 1876 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1877 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1878 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1879 | foreign_tlli2, &rai_bss, cell_id, |
| 1880 | GPRS_SAPI_GMM, bss_nu++, |
| 1881 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 1882 | |
| 1883 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1884 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1885 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1886 | foreign_tlli2, 1, imsi2, sizeof(imsi2), |
| 1887 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1888 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1889 | |
| 1890 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1891 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1892 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli2); |
| 1893 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1894 | OSMO_ASSERT(link_info); |
| 1895 | OSMO_ASSERT(link_info == link_info2); |
| 1896 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1897 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli2); |
| 1898 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1899 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1900 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1901 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1902 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1903 | local_tlli, &rai_bss, cell_id, |
| 1904 | GPRS_SAPI_GMM, bss_nu++, |
| 1905 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1906 | |
| 1907 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1908 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1909 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1910 | OSMO_ASSERT(link_info); |
| 1911 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1912 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli2); |
| 1913 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1914 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1915 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1916 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1917 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1918 | local_tlli, 1, imsi2, sizeof(imsi2), |
| 1919 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1920 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1921 | |
| 1922 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1923 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1924 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 1925 | OSMO_ASSERT(link_info); |
| 1926 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
| 1927 | OSMO_ASSERT(!gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1))); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1928 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1929 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1930 | OSMO_ASSERT(link_info == link_info2); |
| 1931 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1932 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1933 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1934 | |
| 1935 | dump_global(stdout, 0); |
| 1936 | |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 1937 | talloc_free(gbcfg.core_apn); |
| 1938 | gbcfg.core_apn = NULL; |
| 1939 | |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1940 | gbprox_reset(&gbcfg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1941 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1942 | nsi = NULL; |
Daniel Willmann | 1e0b000 | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 1943 | |
| 1944 | cleanup_test(); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1945 | } |
| 1946 | |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1947 | static void test_gbproxy_ptmsi_patching() |
| 1948 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1949 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1950 | struct gprs_ra_id rai_bss = |
| 1951 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1952 | struct gprs_ra_id rai_sgsn = |
| 1953 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1954 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 1955 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1956 | struct gprs_ra_id rai_unknown = |
| 1957 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1958 | uint16_t cell_id = 0x1234; |
| 1959 | |
| 1960 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1961 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 1962 | const uint32_t sgsn_ptmsi3 = 0xe0543210; |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1963 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1964 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
| 1965 | const uint32_t local_sgsn_tlli3 = 0xe0543210; |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 1966 | const uint32_t random_sgsn_tlli = 0x78dead00; |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1967 | const uint32_t unknown_sgsn_tlli = 0xeebadbad; |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1968 | |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 1969 | const uint32_t bss_ptmsi = 0xc0dead01; |
| 1970 | const uint32_t bss_ptmsi2 = 0xc0dead02; |
| 1971 | const uint32_t bss_ptmsi3 = 0xc0dead03; |
| 1972 | const uint32_t local_bss_tlli = 0xc0dead01; |
| 1973 | const uint32_t local_bss_tlli2 = 0xc0dead02; |
| 1974 | const uint32_t local_bss_tlli3 = 0xc0dead03; |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1975 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 1976 | |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1977 | |
Neels Hofmeyr | 17d6134 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 1978 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1979 | struct gbproxy_link_info *link_info; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 1980 | struct gbproxy_bvc *peer; |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1981 | unsigned bss_nu = 0; |
| 1982 | unsigned sgsn_nu = 0; |
Jacob Erlbeck | d5f24fd | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 1983 | int old_ctr; |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1984 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1985 | uint16_t bss_nsei[1] = { 0x1000 }; |
| 1986 | |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1987 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1988 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 1989 | OSMO_ASSERT(local_sgsn_tlli3 == gprs_tmsi2tlli(sgsn_ptmsi3, TLLI_LOCAL)); |
| 1990 | OSMO_ASSERT(local_bss_tlli == gprs_tmsi2tlli(bss_ptmsi, TLLI_LOCAL)); |
| 1991 | OSMO_ASSERT(local_bss_tlli2 == gprs_tmsi2tlli(bss_ptmsi2, TLLI_LOCAL)); |
| 1992 | OSMO_ASSERT(local_bss_tlli3 == gprs_tmsi2tlli(bss_ptmsi3, TLLI_LOCAL)); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1993 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1994 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1995 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 6179f0c | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 1996 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | d7b95e3 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 1997 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1998 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 1999 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2000 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2001 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2002 | |
| 2003 | printf("=== %s ===\n", __func__); |
| 2004 | printf("--- Initialise SGSN ---\n\n"); |
| 2005 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2006 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2007 | |
| 2008 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2009 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2010 | setup_ns(nsi, bss_nsei[0]); |
| 2011 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2012 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 2013 | peer = gbproxy_bvc_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2014 | OSMO_ASSERT(peer != NULL); |
| 2015 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2016 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2017 | |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2018 | dump_global(stdout, 0); |
| 2019 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2020 | |
| 2021 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2022 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2023 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2024 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2025 | GPRS_SAPI_GMM, bss_nu++, |
| 2026 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2027 | |
| 2028 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2029 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2030 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2031 | random_sgsn_tlli, 0, NULL, 0, |
| 2032 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2033 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2034 | |
| 2035 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2036 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2037 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2038 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2039 | GPRS_SAPI_GMM, bss_nu++, |
| 2040 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2041 | |
| 2042 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2043 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2044 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2045 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2046 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2047 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2048 | |
| 2049 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2050 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2051 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2052 | OSMO_ASSERT(link_info); |
| 2053 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2054 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2055 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2056 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2057 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2058 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2059 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2060 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2061 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2062 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2063 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2064 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2065 | local_bss_tlli, &rai_bss, cell_id, |
| 2066 | GPRS_SAPI_GMM, bss_nu++, |
| 2067 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2068 | |
| 2069 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2070 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2071 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2072 | OSMO_ASSERT(link_info); |
| 2073 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2074 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2075 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2076 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2077 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2078 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2079 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2080 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2081 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2082 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2083 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2084 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2085 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2086 | |
| 2087 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2088 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2089 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2090 | OSMO_ASSERT(link_info); |
| 2091 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2092 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2093 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2094 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2095 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2096 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 03e02ac | 2014-09-05 18:08:12 +0200 | [diff] [blame] | 2097 | local_bss_tlli, &rai_bss, cell_id, |
| 2098 | GPRS_SAPI_GMM, bss_nu++, |
| 2099 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
| 2100 | |
| 2101 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2102 | |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2103 | /* Non-DTAP */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2104 | send_bssgp_ul_unitdata(nsi, "XID (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2105 | local_bss_tlli, &rai_bss, cell_id, |
| 2106 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2107 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2108 | send_bssgp_dl_unitdata(nsi, "XID (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2109 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2110 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2111 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2112 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2113 | local_bss_tlli, &rai_bss, cell_id, |
| 2114 | llc_ui_ll11_dns_query_ul, |
| 2115 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2116 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2117 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2118 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2119 | llc_ui_ll11_dns_resp_dl, |
| 2120 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2121 | |
| 2122 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2123 | |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2124 | /* Repeated RA Update Requests */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2125 | send_llc_ul_ui(nsi, "RA UPD REQ (P-TMSI 2)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2126 | local_bss_tlli, &rai_bss, 0x7080, |
| 2127 | GPRS_SAPI_GMM, bss_nu++, |
| 2128 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2129 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2130 | send_llc_dl_ui(nsi, "RA UDP ACC (P-TMSI 2)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2131 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2132 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2133 | dtap_ra_upd_acc2, sizeof(dtap_ra_upd_acc2)); |
| 2134 | |
| 2135 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2136 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2137 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI) != NULL); |
| 2138 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2139 | OSMO_ASSERT(link_info); |
| 2140 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 2141 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2142 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2143 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2144 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi2); |
| 2145 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 2146 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2147 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2148 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2149 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2150 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2151 | send_llc_ul_ui(nsi, "RA UPD REQ (P-TMSI 3)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2152 | local_bss_tlli2, &rai_bss, 0x7080, |
| 2153 | GPRS_SAPI_GMM, bss_nu++, |
| 2154 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2155 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2156 | send_llc_dl_ui(nsi, "RA UDP ACC (P-TMSI 3)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2157 | local_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 2158 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2159 | dtap_ra_upd_acc3, sizeof(dtap_ra_upd_acc3)); |
| 2160 | |
| 2161 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2162 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2163 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI) == NULL); |
| 2164 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli3, SGSN_NSEI) != NULL); |
| 2165 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2166 | OSMO_ASSERT(link_info); |
| 2167 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 2168 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2169 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2170 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2171 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi3); |
| 2172 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli3); |
| 2173 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2174 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2175 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2176 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi3); |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2177 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2178 | send_llc_ul_ui(nsi, "RA UPD COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2179 | local_bss_tlli3, &rai_bss, 0x7080, |
| 2180 | GPRS_SAPI_GMM, bss_nu++, |
| 2181 | dtap_ra_upd_complete, sizeof(dtap_ra_upd_complete)); |
| 2182 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2183 | link_info = gbproxy_link_info_by_tlli(peer, local_bss_tlli3); |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2184 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2185 | OSMO_ASSERT(link_info); |
| 2186 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2187 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2188 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2189 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2190 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2191 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2192 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
| 2193 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2194 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2195 | |
| 2196 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2197 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2198 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli3, SGSN_NSEI); |
| 2199 | OSMO_ASSERT(link_info); |
| 2200 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli3); |
| 2201 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2202 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli3); |
| 2203 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2204 | |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2205 | /* Other messages */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2206 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0x1002, |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2207 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2208 | |
| 2209 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2210 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2211 | send_bssgp_suspend(nsi, bss_nsei[0], local_bss_tlli3, &rai_bss); |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2212 | |
| 2213 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2214 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2215 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli3, &rai_sgsn); |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2216 | |
| 2217 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2218 | |
Jacob Erlbeck | d5f24fd | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 2219 | old_ctr = peer->ctrg->ctr[GBPROX_PEER_CTR_PTMSI_PATCHED_SGSN].current; |
| 2220 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2221 | send_bssgp_paging(nsi, SGSN_NSEI, imsi, sizeof(imsi), &rai_bss, sgsn_ptmsi3); |
Jacob Erlbeck | d5f24fd | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 2222 | |
| 2223 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2224 | |
| 2225 | OSMO_ASSERT(old_ctr + 1 == |
| 2226 | peer->ctrg->ctr[GBPROX_PEER_CTR_PTMSI_PATCHED_SGSN].current); |
| 2227 | |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2228 | /* Bad case: Invalid BVCI */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2229 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0xeee1, |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2230 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2231 | dump_global(stdout, 0); |
| 2232 | |
| 2233 | /* Bad case: Invalid RAI */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2234 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli3, &rai_unknown); |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2235 | |
| 2236 | dump_global(stdout, 0); |
| 2237 | |
| 2238 | /* Bad case: Invalid MCC (LAC ok) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2239 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli3, |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2240 | &rai_wrong_mcc_sgsn); |
| 2241 | |
| 2242 | dump_global(stdout, 0); |
| 2243 | |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2244 | /* Bad case: Invalid TLLI from SGSN (IMSI unknown) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2245 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2246 | unknown_sgsn_tlli, 1, NULL, 0, |
| 2247 | GPRS_SAPI_GMM, 2, |
| 2248 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2249 | |
| 2250 | /* Bad case: Invalid TLLI from SGSN (IMSI known) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2251 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | dab8a6d | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2252 | unknown_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2253 | GPRS_SAPI_GMM, 3, |
| 2254 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2255 | |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2256 | /* Detach */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2257 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2258 | local_bss_tlli3, &rai_bss, cell_id, |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2259 | GPRS_SAPI_GMM, bss_nu++, |
| 2260 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2261 | |
| 2262 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2263 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2264 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 96f8bc1 | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2265 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2266 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2267 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2268 | |
| 2269 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2937b51 | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2270 | |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2271 | dump_global(stdout, 0); |
| 2272 | |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 2273 | talloc_free(gbcfg.core_apn); |
| 2274 | gbcfg.core_apn = NULL; |
| 2275 | |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2276 | gbprox_reset(&gbcfg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2277 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2278 | nsi = NULL; |
Daniel Willmann | 1e0b000 | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 2279 | |
| 2280 | cleanup_test(); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2281 | } |
| 2282 | |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2283 | static void test_gbproxy_ptmsi_patching_bad_cases() |
| 2284 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2285 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2286 | struct gprs_ra_id rai_bss = |
| 2287 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2288 | struct gprs_ra_id rai_unknown = |
| 2289 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2290 | uint16_t cell_id = 0x1234; |
| 2291 | |
| 2292 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2293 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2294 | const uint32_t random_sgsn_tlli = 0x78dead00; |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2295 | |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2296 | const uint32_t bss_ptmsi = 0xc0dead01; |
| 2297 | const uint32_t local_bss_tlli = 0xc0dead01; |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2298 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2299 | |
| 2300 | |
Neels Hofmeyr | 17d6134 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 2301 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2302 | struct gbproxy_link_info *link_info; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 2303 | struct gbproxy_bvc *peer; |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2304 | unsigned bss_nu = 0; |
| 2305 | unsigned sgsn_nu = 0; |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2306 | uint16_t bss_nsei[] = { 0x1000 }; |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2307 | |
| 2308 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2309 | OSMO_ASSERT(local_bss_tlli == gprs_tmsi2tlli(bss_ptmsi, TLLI_LOCAL)); |
| 2310 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2311 | gbcfg.nsi = nsi; |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2312 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 6179f0c | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 2313 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | d7b95e3 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 2314 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2315 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2316 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2317 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2318 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2319 | |
| 2320 | printf("=== %s ===\n", __func__); |
| 2321 | printf("--- Initialise SGSN ---\n\n"); |
| 2322 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2323 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2324 | |
| 2325 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2326 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2327 | setup_ns(nsi, bss_nsei[0]); |
| 2328 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2329 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 2330 | peer = gbproxy_bvc_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2331 | OSMO_ASSERT(peer != NULL); |
| 2332 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2333 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2334 | |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2335 | dump_global(stdout, 0); |
| 2336 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2337 | |
| 2338 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2339 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2340 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2341 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2342 | GPRS_SAPI_GMM, bss_nu++, |
| 2343 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2344 | |
| 2345 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2346 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2347 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2348 | random_sgsn_tlli, 0, NULL, 0, |
| 2349 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2350 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2351 | |
| 2352 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2353 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2354 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2355 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2356 | GPRS_SAPI_GMM, bss_nu++, |
| 2357 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2358 | |
| 2359 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2360 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2361 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2362 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2363 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2364 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2365 | |
| 2366 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2367 | |
| 2368 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2369 | OSMO_ASSERT(link_info); |
| 2370 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2371 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2372 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2373 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2374 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2375 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2376 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2377 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2378 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2379 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
| 2380 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2381 | send_llc_dl_ui(nsi, "ATTACH ACCEPT (duplicated)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2382 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2383 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2384 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2385 | |
| 2386 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2387 | |
| 2388 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2389 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 0d1ad5e | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2390 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2391 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2392 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2393 | OSMO_ASSERT(!link_info->tlli.net_validated); |
Jacob Erlbeck | 0d1ad5e | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2394 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2395 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2396 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2397 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2398 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2399 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
| 2400 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2401 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2402 | local_bss_tlli, &rai_bss, cell_id, |
| 2403 | GPRS_SAPI_GMM, bss_nu++, |
| 2404 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2405 | |
| 2406 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2407 | |
| 2408 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2409 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 0d1ad5e | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2410 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2411 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
Jacob Erlbeck | 0d1ad5e | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2412 | OSMO_ASSERT(link_info->tlli.bss_validated); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2413 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2414 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2415 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
Jacob Erlbeck | 0d1ad5e | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2416 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2417 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2418 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2419 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2420 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2421 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2422 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2423 | |
| 2424 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2425 | |
| 2426 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2427 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 0d1ad5e | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2428 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2429 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2430 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2431 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2432 | |
| 2433 | /* Detach */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2434 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2435 | local_bss_tlli, &rai_bss, cell_id, |
| 2436 | GPRS_SAPI_GMM, bss_nu++, |
| 2437 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2438 | |
| 2439 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2440 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2441 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2442 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2443 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2444 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2445 | |
| 2446 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2447 | |
| 2448 | dump_global(stdout, 0); |
| 2449 | |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 2450 | talloc_free(gbcfg.core_apn); |
| 2451 | gbcfg.core_apn = NULL; |
| 2452 | |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2453 | gbprox_reset(&gbcfg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2454 | gprs_ns2_free(nsi); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2455 | nsi = NULL; |
Daniel Willmann | 1e0b000 | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 2456 | |
| 2457 | cleanup_test(); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2458 | } |
| 2459 | |
| 2460 | |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2461 | static void test_gbproxy_imsi_acquisition() |
| 2462 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2463 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2464 | struct gprs_ra_id rai_bss = |
| 2465 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2466 | struct gprs_ra_id rai_sgsn = |
| 2467 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2468 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 2469 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2470 | struct gprs_ra_id rai_unknown = |
| 2471 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2472 | uint16_t cell_id = 0x1234; |
| 2473 | |
| 2474 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2475 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2476 | const uint32_t random_sgsn_tlli = 0x78dead00; |
| 2477 | const uint32_t random_sgsn_tlli2 = 0x78dead02; |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2478 | |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2479 | const uint32_t bss_ptmsi = 0xc0dead01; |
| 2480 | const uint32_t local_bss_tlli = 0xc0dead01; |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2481 | const uint32_t foreign_bss_tlli = 0x8000dead; |
Jacob Erlbeck | 89aa65b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2482 | const uint32_t other_bss_tlli = 0x8000beef; |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2483 | |
Neels Hofmeyr | 17d6134 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 2484 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2485 | struct gbproxy_link_info *link_info; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 2486 | struct gbproxy_bvc *peer; |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2487 | unsigned bss_nu = 0; |
| 2488 | unsigned sgsn_nu = 0; |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2489 | uint16_t bss_nsei[] = { 0x1000 }; |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2490 | |
| 2491 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2492 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2493 | gbcfg.nsi = nsi; |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2494 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 6179f0c | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 2495 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | d7b95e3 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 2496 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2497 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2498 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | 4c0f698 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2499 | gbcfg.acquire_imsi = 1; |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2500 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2501 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2502 | |
| 2503 | printf("=== %s ===\n", __func__); |
| 2504 | printf("--- Initialise SGSN ---\n\n"); |
| 2505 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2506 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2507 | |
| 2508 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2509 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2510 | setup_ns(nsi, bss_nsei[0]); |
| 2511 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2512 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 2513 | peer = gbproxy_bvc_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2514 | OSMO_ASSERT(peer != NULL); |
| 2515 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2516 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2517 | |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2518 | dump_global(stdout, 0); |
| 2519 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2520 | |
| 2521 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2522 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2523 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 89aa65b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2524 | foreign_bss_tlli, &rai_bss, cell_id, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2525 | GPRS_SAPI_GMM, bss_nu++, |
| 2526 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2527 | |
| 2528 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2529 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2530 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 4c0f698 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2531 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2532 | GPRS_SAPI_GMM, bss_nu++, |
| 2533 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2534 | |
| 2535 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2536 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2537 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2538 | random_sgsn_tlli, 0, NULL, 0, |
| 2539 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2540 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2541 | |
| 2542 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2543 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2544 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2545 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2546 | GPRS_SAPI_GMM, bss_nu++, |
| 2547 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2548 | |
| 2549 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2550 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2551 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2552 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2553 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2554 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2555 | |
| 2556 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2557 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2558 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2559 | OSMO_ASSERT(link_info); |
| 2560 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2561 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2562 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2563 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2564 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2565 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2566 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2567 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2568 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2569 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2570 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2571 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2572 | local_bss_tlli, &rai_bss, cell_id, |
| 2573 | GPRS_SAPI_GMM, bss_nu++, |
| 2574 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2575 | |
| 2576 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2577 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2578 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2579 | OSMO_ASSERT(link_info); |
| 2580 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2581 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2582 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2583 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2584 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2585 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2586 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2587 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2588 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2589 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2590 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2591 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2592 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2593 | |
| 2594 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2595 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2596 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2597 | OSMO_ASSERT(link_info); |
| 2598 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2599 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2600 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2601 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2602 | |
| 2603 | /* Non-DTAP */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2604 | send_bssgp_ul_unitdata(nsi, "XID (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2605 | local_bss_tlli, &rai_bss, cell_id, |
| 2606 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2607 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2608 | send_bssgp_dl_unitdata(nsi, "XID (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2609 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2610 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2611 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2612 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2613 | local_bss_tlli, &rai_bss, cell_id, |
| 2614 | llc_ui_ll11_dns_query_ul, |
| 2615 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2616 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2617 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2618 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2619 | llc_ui_ll11_dns_resp_dl, |
| 2620 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2621 | |
| 2622 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2623 | |
| 2624 | /* Other messages */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2625 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2626 | local_bss_tlli, 1, 12); |
| 2627 | |
| 2628 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2629 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2630 | send_bssgp_llc_discarded(nsi, SGSN_NSEI, 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2631 | local_sgsn_tlli, 1, 12); |
| 2632 | |
| 2633 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2634 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2635 | send_bssgp_suspend(nsi, bss_nsei[0], local_bss_tlli, &rai_bss); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2636 | |
| 2637 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2638 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2639 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli, &rai_sgsn); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2640 | |
| 2641 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2642 | |
| 2643 | /* Bad case: Invalid BVCI */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2644 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0xeee1, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2645 | local_bss_tlli, 1, 12); |
| 2646 | dump_global(stdout, 0); |
| 2647 | |
| 2648 | /* Bad case: Invalid RAI */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2649 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli, &rai_unknown); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2650 | |
| 2651 | dump_global(stdout, 0); |
| 2652 | |
| 2653 | /* Bad case: Invalid MCC (LAC ok) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2654 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2655 | &rai_wrong_mcc_sgsn); |
| 2656 | |
| 2657 | dump_global(stdout, 0); |
| 2658 | |
| 2659 | /* Detach */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2660 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2661 | local_bss_tlli, &rai_bss, cell_id, |
| 2662 | GPRS_SAPI_GMM, bss_nu++, |
| 2663 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2664 | |
| 2665 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2666 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2667 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2668 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2669 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2670 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2671 | |
| 2672 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2673 | |
Jacob Erlbeck | 9e9051f | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2674 | /* RA Update request */ |
| 2675 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2676 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9e9051f | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2677 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2678 | GPRS_SAPI_GMM, bss_nu++, |
| 2679 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2680 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2681 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9e9051f | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2682 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2683 | GPRS_SAPI_GMM, bss_nu++, |
| 2684 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2685 | |
| 2686 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2687 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2688 | send_llc_dl_ui(nsi, "RA UDP ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9e9051f | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2689 | random_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 2690 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2691 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
| 2692 | |
| 2693 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2694 | |
| 2695 | /* Detach */ |
| 2696 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2697 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9e9051f | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2698 | local_bss_tlli, &rai_bss, cell_id, |
| 2699 | GPRS_SAPI_GMM, bss_nu++, |
| 2700 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2701 | |
| 2702 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2703 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2704 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9e9051f | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2705 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2706 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2707 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2708 | |
| 2709 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2710 | |
Jacob Erlbeck | 0c0747f | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2711 | /* Special case: Repeated Attach Requests */ |
| 2712 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2713 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 0c0747f | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2714 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2715 | GPRS_SAPI_GMM, bss_nu++, |
| 2716 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2717 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2718 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 0c0747f | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2719 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2720 | GPRS_SAPI_GMM, bss_nu++, |
| 2721 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2722 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2723 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 89aa65b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2724 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2725 | GPRS_SAPI_GMM, bss_nu++, |
| 2726 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2727 | |
| 2728 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2729 | |
| 2730 | /* Special case: Detach from an unknown TLLI */ |
| 2731 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2732 | send_llc_ul_ui(nsi, "DETACH REQ (unknown TLLI)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 89aa65b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2733 | other_bss_tlli, &rai_bss, cell_id, |
| 2734 | GPRS_SAPI_GMM, bss_nu++, |
| 2735 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2736 | |
Jacob Erlbeck | 0c0747f | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2737 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2738 | |
Jacob Erlbeck | 9e9051f | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2739 | /* Special case: Repeated RA Update Requests */ |
| 2740 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2741 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9e9051f | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2742 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2743 | GPRS_SAPI_GMM, bss_nu++, |
| 2744 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2745 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2746 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9e9051f | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2747 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2748 | GPRS_SAPI_GMM, bss_nu++, |
| 2749 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2750 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2751 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9e9051f | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2752 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2753 | GPRS_SAPI_GMM, bss_nu++, |
| 2754 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2755 | |
| 2756 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2757 | |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2758 | dump_global(stdout, 0); |
| 2759 | |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 2760 | talloc_free(gbcfg.core_apn); |
| 2761 | gbcfg.core_apn = NULL; |
| 2762 | |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2763 | gbprox_reset(&gbcfg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2764 | gprs_ns2_free(nsi); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2765 | nsi = NULL; |
Daniel Willmann | 1e0b000 | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 2766 | |
| 2767 | cleanup_test(); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2768 | } |
| 2769 | |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2770 | static void test_gbproxy_secondary_sgsn() |
| 2771 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2772 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2773 | struct gprs_ra_id rai_bss = |
| 2774 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2775 | struct gprs_ra_id rai_sgsn = |
| 2776 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2777 | struct gprs_ra_id rai_unknown = |
| 2778 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2779 | uint16_t cell_id = 0x1234; |
| 2780 | |
| 2781 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2782 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2783 | const uint32_t random_sgsn_tlli = 0x78dead00; |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2784 | |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2785 | const uint32_t bss_ptmsi = 0xc0dead01; |
| 2786 | const uint32_t local_bss_tlli = 0xc0dead01; |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2787 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2788 | |
| 2789 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 2790 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2791 | const uint32_t random_sgsn_tlli2 = 0x78dead02; |
| 2792 | const uint32_t bss_ptmsi2 = 0xc0dead03; |
| 2793 | const uint32_t local_bss_tlli2 = 0xc0dead03; |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2794 | const uint32_t foreign_bss_tlli2 = 0x8000beef; |
| 2795 | |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2796 | const uint32_t random_sgsn_tlli3 = 0x78dead04; |
| 2797 | const uint32_t bss_ptmsi3 = 0xc0dead05; |
| 2798 | const uint32_t local_bss_tlli3 = 0xc0dead05; |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2799 | const uint32_t foreign_bss_tlli3 = 0x8000feed; |
| 2800 | |
Neels Hofmeyr | 17d6134 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 2801 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
| 2802 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0xf8}; |
| 2803 | const uint8_t imsi3[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x26, 0x27, 0xf8}; |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2804 | struct gbproxy_link_info *link_info; |
| 2805 | struct gbproxy_link_info *other_info; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 2806 | struct gbproxy_bvc *peer; |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2807 | unsigned bss_nu = 0; |
| 2808 | unsigned sgsn_nu = 0; |
| 2809 | |
| 2810 | const char *err_msg = NULL; |
| 2811 | const char *filter_re = "999999"; |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2812 | uint16_t bss_nsei[] = { 0x1000 }; |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2813 | |
| 2814 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2815 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 2816 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2817 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2818 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 6179f0c | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 2819 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | d7b95e3 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 2820 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2821 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2822 | gbcfg.patch_ptmsi = 1; |
| 2823 | gbcfg.acquire_imsi = 1; |
Daniel Willmann | 2b10af3 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2824 | |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2825 | gbcfg.route_to_sgsn2 = 1; |
| 2826 | gbcfg.nsip_sgsn2_nsei = SGSN2_NSEI; |
| 2827 | |
Jacob Erlbeck | 3d80527 | 2014-09-25 13:21:48 +0200 | [diff] [blame] | 2828 | if (gbproxy_set_patch_filter(&gbcfg.matches[GBPROX_MATCH_ROUTING], |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 2829 | filter_re, &err_msg) != 0) { |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2830 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 2831 | err_msg); |
| 2832 | OSMO_ASSERT(err_msg == NULL); |
| 2833 | } |
| 2834 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2835 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2836 | |
| 2837 | printf("=== %s ===\n", __func__); |
| 2838 | printf("--- Initialise SGSN 1 ---\n\n"); |
| 2839 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2840 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2841 | |
| 2842 | printf("--- Initialise SGSN 2 ---\n\n"); |
| 2843 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2844 | connect_sgsn(nsi, SGSN2_NSEI); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2845 | |
| 2846 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2847 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2848 | setup_ns(nsi, bss_nsei[0]); |
| 2849 | setup_bssgp(nsi, bss_nsei[0], 0x0); |
| 2850 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x0); |
| 2851 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
| 2852 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
| 2853 | send_bssgp_reset_ack(nsi, SGSN2_NSEI, 0x1002); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2854 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 2855 | peer = gbproxy_bvc_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2856 | OSMO_ASSERT(peer != NULL); |
| 2857 | |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2858 | dump_global(stdout, 0); |
| 2859 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2860 | |
| 2861 | printf("--- Flow control ---\n\n"); |
| 2862 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2863 | send_bssgp_flow_control_bvc(nsi, bss_nsei[0], 0x1002, 1); |
| 2864 | send_bssgp_flow_control_bvc_ack(nsi, SGSN_NSEI, 0x1002, 1); |
| 2865 | send_bssgp_flow_control_bvc_ack(nsi, SGSN2_NSEI, 0x1002, 1); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2866 | |
| 2867 | printf("--- Establish GPRS connection (SGSN 1) ---\n\n"); |
| 2868 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2869 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2870 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2871 | GPRS_SAPI_GMM, bss_nu++, |
| 2872 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2873 | |
| 2874 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2875 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2876 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2877 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2878 | GPRS_SAPI_GMM, bss_nu++, |
| 2879 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2880 | |
| 2881 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2882 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2883 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2884 | random_sgsn_tlli, 0, NULL, 0, |
| 2885 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2886 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2887 | |
| 2888 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2889 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2890 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2891 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2892 | GPRS_SAPI_GMM, bss_nu++, |
| 2893 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2894 | |
| 2895 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2896 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2897 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2898 | random_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2899 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2900 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2901 | |
| 2902 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2903 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2904 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2905 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2906 | OSMO_ASSERT(link_info); |
| 2907 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2908 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2909 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2910 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2911 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2912 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2913 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2914 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2915 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2916 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2917 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2918 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2919 | local_bss_tlli, &rai_bss, cell_id, |
| 2920 | GPRS_SAPI_GMM, bss_nu++, |
| 2921 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2922 | |
| 2923 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2924 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2925 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2926 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2927 | OSMO_ASSERT(link_info); |
| 2928 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2929 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2930 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2931 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2932 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2933 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2934 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2935 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2936 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2937 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2938 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2939 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2940 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2941 | |
| 2942 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2943 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2944 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2945 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2946 | OSMO_ASSERT(link_info); |
| 2947 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2948 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2949 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2950 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2951 | |
| 2952 | /* Non-DTAP */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2953 | send_bssgp_ul_unitdata(nsi, "XID (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2954 | local_bss_tlli, &rai_bss, cell_id, |
| 2955 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2956 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2957 | send_bssgp_dl_unitdata(nsi, "XID (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2958 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2959 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2960 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2961 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2962 | local_bss_tlli, &rai_bss, cell_id, |
| 2963 | llc_ui_ll11_dns_query_ul, |
| 2964 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2965 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2966 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2967 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2968 | llc_ui_ll11_dns_resp_dl, |
| 2969 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2970 | |
| 2971 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2972 | |
| 2973 | /* Other messages */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2974 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2975 | local_bss_tlli, 1, 12); |
| 2976 | |
| 2977 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2978 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2979 | send_bssgp_llc_discarded(nsi, SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2980 | local_sgsn_tlli, 1, 12); |
| 2981 | |
| 2982 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2983 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2984 | send_bssgp_suspend(nsi, bss_nsei[0], local_bss_tlli, &rai_bss); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2985 | |
| 2986 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2987 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2988 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli, &rai_sgsn); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2989 | |
| 2990 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2991 | |
| 2992 | printf("--- Establish GPRS connection (SGSN 2) ---\n\n"); |
| 2993 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2994 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2995 | foreign_bss_tlli2, &rai_unknown, cell_id, |
| 2996 | GPRS_SAPI_GMM, bss_nu++, |
| 2997 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2998 | |
| 2999 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3000 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3001 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3002 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 3003 | GPRS_SAPI_GMM, bss_nu++, |
| 3004 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 3005 | |
| 3006 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3007 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3008 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3009 | random_sgsn_tlli2, 0, NULL, 0, |
| 3010 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3011 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3012 | |
| 3013 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3014 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3015 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3016 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 3017 | GPRS_SAPI_GMM, bss_nu++, |
Jacob Erlbeck | 9aa21cd | 2014-09-17 12:05:08 +0200 | [diff] [blame] | 3018 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3019 | |
| 3020 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3021 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3022 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3023 | random_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3024 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3025 | dtap_attach_acc2, sizeof(dtap_attach_acc2)); |
| 3026 | |
| 3027 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3028 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3029 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli2, SGSN_NSEI)); |
| 3030 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli2, SGSN2_NSEI); |
| 3031 | OSMO_ASSERT(link_info); |
| 3032 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 3033 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli2); |
| 3034 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 3035 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3036 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi2); |
| 3037 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 3038 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 3039 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 3040 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 3041 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3042 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3043 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3044 | local_bss_tlli2, &rai_bss, cell_id, |
| 3045 | GPRS_SAPI_GMM, bss_nu++, |
| 3046 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3047 | |
| 3048 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3049 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3050 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI)); |
| 3051 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN2_NSEI); |
| 3052 | OSMO_ASSERT(link_info); |
| 3053 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 3054 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli2); |
| 3055 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 3056 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3057 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 3058 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 3059 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 3060 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3061 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3062 | send_llc_dl_ui(nsi, "GMM INFO", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3063 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3064 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3065 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3066 | |
| 3067 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3068 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3069 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI)); |
| 3070 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN2_NSEI); |
| 3071 | OSMO_ASSERT(link_info); |
| 3072 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli2); |
| 3073 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 3074 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli2); |
| 3075 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3076 | |
| 3077 | /* Non-DTAP */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3078 | send_bssgp_ul_unitdata(nsi, "XID (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3079 | local_bss_tlli2, &rai_bss, cell_id, |
| 3080 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 3081 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3082 | send_bssgp_dl_unitdata(nsi, "XID (DL)", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3083 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3084 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 3085 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3086 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3087 | local_bss_tlli2, &rai_bss, cell_id, |
| 3088 | llc_ui_ll11_dns_query_ul, |
| 3089 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 3090 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3091 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3092 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3093 | llc_ui_ll11_dns_resp_dl, |
| 3094 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 3095 | |
| 3096 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3097 | |
| 3098 | /* Other messages */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3099 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3100 | local_bss_tlli2, 1, 12); |
| 3101 | |
| 3102 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3103 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3104 | send_bssgp_llc_discarded(nsi, SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3105 | local_sgsn_tlli2, 1, 12); |
| 3106 | |
| 3107 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3108 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3109 | send_bssgp_suspend(nsi, bss_nsei[0], local_bss_tlli2, &rai_bss); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3110 | |
| 3111 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3112 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3113 | send_bssgp_suspend_ack(nsi, SGSN2_NSEI, local_sgsn_tlli2, &rai_sgsn); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3114 | |
| 3115 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3116 | |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3117 | printf("--- Establish GPRS connection (SGSN 2, P-TMSI collision) ---\n\n"); |
| 3118 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3119 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3120 | foreign_bss_tlli3, &rai_unknown, cell_id, |
| 3121 | GPRS_SAPI_GMM, bss_nu++, |
| 3122 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3123 | |
| 3124 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3125 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3126 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3127 | foreign_bss_tlli3, &rai_bss, cell_id, |
| 3128 | GPRS_SAPI_GMM, bss_nu++, |
| 3129 | dtap_identity3_resp, sizeof(dtap_identity3_resp)); |
| 3130 | |
| 3131 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3132 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3133 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3134 | random_sgsn_tlli3, 0, NULL, 0, |
| 3135 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3136 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3137 | |
| 3138 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3139 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3140 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3141 | foreign_bss_tlli3, &rai_bss, cell_id, |
| 3142 | GPRS_SAPI_GMM, bss_nu++, |
| 3143 | dtap_identity3_resp, sizeof(dtap_identity3_resp)); |
| 3144 | |
| 3145 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3146 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3147 | send_llc_dl_ui(nsi, "ATTACH ACCEPT (P-TMSI 1)", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3148 | random_sgsn_tlli3, 1, imsi3, sizeof(imsi3), |
| 3149 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3150 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3151 | |
| 3152 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3153 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3154 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli3, SGSN_NSEI)); |
| 3155 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli3, SGSN2_NSEI); |
| 3156 | OSMO_ASSERT(link_info); |
| 3157 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 3158 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli3); |
| 3159 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 3160 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3161 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi3); |
| 3162 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 3163 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli3); |
| 3164 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 3165 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 3166 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | d918f52 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3167 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3168 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3169 | local_bss_tlli3, &rai_bss, cell_id, |
| 3170 | GPRS_SAPI_GMM, bss_nu++, |
| 3171 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3172 | |
| 3173 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3174 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3175 | other_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
Jacob Erlbeck | d918f52 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3176 | OSMO_ASSERT(other_info); |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3177 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI); |
| 3178 | OSMO_ASSERT(link_info); |
| 3179 | OSMO_ASSERT(link_info != other_info); |
| 3180 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 3181 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli3); |
| 3182 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 3183 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3184 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 3185 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli3); |
| 3186 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 3187 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | d918f52 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3188 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3189 | send_llc_dl_ui(nsi, "GMM INFO", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3190 | local_sgsn_tlli, 1, imsi3, sizeof(imsi3), |
| 3191 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3192 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3193 | |
| 3194 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3195 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3196 | other_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
Jacob Erlbeck | d918f52 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3197 | OSMO_ASSERT(other_info); |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3198 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI); |
| 3199 | OSMO_ASSERT(link_info); |
| 3200 | OSMO_ASSERT(link_info != other_info); |
| 3201 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli3); |
| 3202 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 3203 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 3204 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | d918f52 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3205 | |
| 3206 | |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3207 | printf("--- Shutdown GPRS connection (SGSN 1) ---\n\n"); |
| 3208 | |
| 3209 | /* Detach */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3210 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3211 | local_bss_tlli, &rai_bss, cell_id, |
| 3212 | GPRS_SAPI_GMM, bss_nu++, |
| 3213 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3214 | |
| 3215 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3216 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3217 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3218 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 3219 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3220 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3221 | |
| 3222 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3223 | |
| 3224 | printf("--- Shutdown GPRS connection (SGSN 2) ---\n\n"); |
| 3225 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3226 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3227 | local_bss_tlli2, &rai_bss, cell_id, |
| 3228 | GPRS_SAPI_GMM, bss_nu++, |
| 3229 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3230 | |
| 3231 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3232 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3233 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3234 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3235 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3236 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3237 | |
| 3238 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3239 | |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3240 | printf("--- Shutdown GPRS connection (SGSN 2, P-TMSI 1) ---\n\n"); |
| 3241 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3242 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3243 | local_bss_tlli3, &rai_bss, cell_id, |
| 3244 | GPRS_SAPI_GMM, bss_nu++, |
| 3245 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3246 | |
| 3247 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3248 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3249 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | d1056b3 | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3250 | local_sgsn_tlli, 1, imsi3, sizeof(imsi3), |
| 3251 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3252 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3253 | |
| 3254 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3255 | |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3256 | dump_global(stdout, 0); |
| 3257 | |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 3258 | talloc_free(gbcfg.core_apn); |
| 3259 | gbcfg.core_apn = NULL; |
| 3260 | |
Jacob Erlbeck | 3d80527 | 2014-09-25 13:21:48 +0200 | [diff] [blame] | 3261 | gbproxy_clear_patch_filter(&gbcfg.matches[GBPROX_MATCH_ROUTING]); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3262 | gbprox_reset(&gbcfg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3263 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3264 | nsi = NULL; |
Daniel Willmann | 1e0b000 | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 3265 | |
| 3266 | cleanup_test(); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3267 | } |
| 3268 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3269 | static void test_gbproxy_keep_info() |
| 3270 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3271 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3272 | struct gprs_ra_id rai_bss = |
| 3273 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 3274 | uint16_t cell_id = 0x1234; |
| 3275 | |
| 3276 | const uint32_t ptmsi = 0xefe2b700; |
| 3277 | const uint32_t local_tlli = 0xefe2b700; |
| 3278 | const uint32_t foreign_tlli = 0xafe2b700; |
| 3279 | |
Neels Hofmeyr | 17d6134 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 3280 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3281 | struct gbproxy_link_info *link_info, *link_info2; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 3282 | struct gbproxy_bvc *peer; |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3283 | unsigned bss_nu = 0; |
| 3284 | unsigned sgsn_nu = 0; |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3285 | uint16_t bss_nsei[] = { 0x1000 }; |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3286 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3287 | LLIST_HEAD(rcv_list); |
| 3288 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3289 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 3290 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3291 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3292 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 3293 | gbcfg.patch_ptmsi = 0; |
| 3294 | gbcfg.acquire_imsi = 1; |
Neels Hofmeyr | 6179f0c | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 3295 | gbcfg.core_plmn = (struct osmo_plmn_id){}; |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3296 | gbcfg.core_apn = NULL; |
| 3297 | gbcfg.core_apn_size = 0; |
| 3298 | gbcfg.route_to_sgsn2 = 0; |
| 3299 | gbcfg.nsip_sgsn2_nsei = 0xffff; |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3300 | gbcfg.keep_link_infos = GBPROX_KEEP_ALWAYS; |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3301 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3302 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3303 | |
| 3304 | printf("=== %s ===\n", __func__); |
| 3305 | printf("--- Initialise SGSN ---\n\n"); |
| 3306 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3307 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3308 | |
| 3309 | printf("--- Initialise BSS 1 ---\n\n"); |
| 3310 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3311 | setup_ns(nsi, bss_nsei[0]); |
| 3312 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3313 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 3314 | peer = gbproxy_bvc_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3315 | OSMO_ASSERT(peer != NULL); |
| 3316 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3317 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3318 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3319 | dump_global(stdout, 0); |
| 3320 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3321 | |
| 3322 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 3323 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3324 | received_messages = &rcv_list; |
| 3325 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3326 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3327 | foreign_tlli, &rai_bss, cell_id, |
| 3328 | GPRS_SAPI_GMM, bss_nu++, |
| 3329 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3330 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3331 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 3332 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3333 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3334 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3335 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3336 | OSMO_ASSERT(link_info); |
| 3337 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3338 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3339 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3340 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3341 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3342 | foreign_tlli, &rai_bss, cell_id, |
| 3343 | GPRS_SAPI_GMM, bss_nu++, |
| 3344 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3345 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3346 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3347 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3348 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3349 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3350 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3351 | OSMO_ASSERT(link_info); |
| 3352 | OSMO_ASSERT(link_info->imsi_len > 0); |
| 3353 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3354 | OSMO_ASSERT(gprs_tlli_type(link_info->sgsn_tlli.current) == TLLI_FOREIGN); |
Jacob Erlbeck | f9038d9 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3355 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3356 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3357 | foreign_tlli, 0, NULL, 0, |
| 3358 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3359 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3360 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3361 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 3362 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3363 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3364 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3365 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3366 | foreign_tlli, &rai_bss, cell_id, |
| 3367 | GPRS_SAPI_GMM, bss_nu++, |
| 3368 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3369 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3370 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ID_RESP)); |
| 3371 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3372 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3373 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3374 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3375 | OSMO_ASSERT(link_info); |
| 3376 | OSMO_ASSERT(link_info->imsi_len > 0); |
| 3377 | OSMO_ASSERT(gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi))); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3378 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3379 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3380 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3381 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3382 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3383 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3384 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3385 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3386 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3387 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3388 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3389 | local_tlli, &rai_bss, cell_id, |
| 3390 | GPRS_SAPI_GMM, bss_nu++, |
| 3391 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3392 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3393 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3394 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3395 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3396 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3397 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3398 | local_tlli, 1, imsi, sizeof(imsi), |
| 3399 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3400 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3401 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3402 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 3403 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3404 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3405 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3406 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3407 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3408 | |
| 3409 | /* Detach (MO) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3410 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3411 | local_tlli, &rai_bss, cell_id, |
| 3412 | GPRS_SAPI_GMM, bss_nu++, |
| 3413 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3414 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3415 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3416 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3417 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3418 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3419 | |
| 3420 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3421 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3422 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3423 | local_tlli, 1, imsi, sizeof(imsi), |
| 3424 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3425 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3426 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3427 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3428 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3429 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3430 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3431 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3432 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3433 | OSMO_ASSERT(link_info); |
| 3434 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3435 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3436 | OSMO_ASSERT(!expect_msg()); |
| 3437 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3438 | /* Re-Attach */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3439 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3440 | foreign_tlli, &rai_bss, cell_id, |
| 3441 | GPRS_SAPI_GMM, bss_nu++, |
| 3442 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3443 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3444 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3445 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3446 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3447 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3448 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3449 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3450 | OSMO_ASSERT(link_info); |
| 3451 | OSMO_ASSERT(link_info == link_info2); |
| 3452 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3453 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3454 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3455 | OSMO_ASSERT(gprs_tlli_type(link_info->sgsn_tlli.current) == TLLI_FOREIGN); |
Jacob Erlbeck | f9038d9 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3456 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3457 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3458 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3459 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3460 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3461 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3462 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3463 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3464 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3465 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3466 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3467 | local_tlli, &rai_bss, cell_id, |
| 3468 | GPRS_SAPI_GMM, bss_nu++, |
| 3469 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3470 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3471 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3472 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3473 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3474 | |
| 3475 | /* Detach (MT) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3476 | send_llc_dl_ui(nsi, "DETACH REQ (re-attach)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3477 | local_tlli, 1, imsi, sizeof(imsi), |
| 3478 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3479 | dtap_mt_detach_rea_req, sizeof(dtap_mt_detach_rea_req)); |
| 3480 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3481 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3482 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3483 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3484 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3485 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3486 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3487 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3488 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3489 | local_tlli, &rai_bss, cell_id, |
| 3490 | GPRS_SAPI_GMM, bss_nu++, |
| 3491 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3492 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3493 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3494 | OSMO_ASSERT(!expect_msg()); |
| 3495 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3496 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3497 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3498 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3499 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3500 | OSMO_ASSERT(link_info); |
| 3501 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3502 | |
| 3503 | /* Re-Attach */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3504 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3505 | foreign_tlli, &rai_bss, cell_id, |
| 3506 | GPRS_SAPI_GMM, bss_nu++, |
| 3507 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3508 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3509 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3510 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3511 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3512 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3513 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3514 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3515 | OSMO_ASSERT(link_info); |
| 3516 | OSMO_ASSERT(link_info == link_info2); |
| 3517 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3518 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3519 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | f9038d9 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3520 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3521 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3522 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3523 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3524 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3525 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3526 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3527 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3528 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3529 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3530 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3531 | local_tlli, &rai_bss, cell_id, |
| 3532 | GPRS_SAPI_GMM, bss_nu++, |
| 3533 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3534 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3535 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3536 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3537 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3538 | |
| 3539 | /* Detach (MT) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3540 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3541 | local_tlli, 1, imsi, sizeof(imsi), |
| 3542 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3543 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3544 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3545 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3546 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3547 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3548 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3549 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3550 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3551 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3552 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3553 | local_tlli, &rai_bss, cell_id, |
| 3554 | GPRS_SAPI_GMM, bss_nu++, |
| 3555 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3556 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3557 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3558 | OSMO_ASSERT(!expect_msg()); |
| 3559 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3560 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3561 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3562 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3563 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3564 | OSMO_ASSERT(link_info); |
| 3565 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3566 | |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3567 | /* Re-Attach with IMSI */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3568 | send_llc_ul_ui(nsi, "ATTACH REQUEST (IMSI)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3569 | foreign_tlli, &rai_bss, cell_id, |
| 3570 | GPRS_SAPI_GMM, bss_nu++, |
| 3571 | dtap_attach_req4, sizeof(dtap_attach_req4)); |
| 3572 | |
| 3573 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3574 | |
| 3575 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3576 | |
| 3577 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3578 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3579 | OSMO_ASSERT(link_info); |
| 3580 | OSMO_ASSERT(link_info == link_info2); |
| 3581 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3582 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3583 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3584 | OSMO_ASSERT(link_info->sgsn_tlli.current == foreign_tlli); |
| 3585 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3586 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3587 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3588 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3589 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3590 | |
| 3591 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3592 | |
| 3593 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3594 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3595 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3596 | local_tlli, &rai_bss, cell_id, |
| 3597 | GPRS_SAPI_GMM, bss_nu++, |
| 3598 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3599 | |
| 3600 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3601 | |
| 3602 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3603 | |
| 3604 | /* Detach (MT) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3605 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3606 | local_tlli, 1, imsi, sizeof(imsi), |
| 3607 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3608 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3609 | |
| 3610 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3611 | |
| 3612 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3613 | |
| 3614 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3615 | OSMO_ASSERT(link_info); |
| 3616 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3617 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3618 | local_tlli, &rai_bss, cell_id, |
| 3619 | GPRS_SAPI_GMM, bss_nu++, |
| 3620 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3621 | |
| 3622 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3623 | OSMO_ASSERT(!expect_msg()); |
| 3624 | |
| 3625 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3626 | |
| 3627 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3628 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3629 | OSMO_ASSERT(link_info); |
| 3630 | OSMO_ASSERT(link_info->is_deregistered); |
| 3631 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3632 | /* Re-Attach */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3633 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3634 | foreign_tlli, &rai_bss, cell_id, |
| 3635 | GPRS_SAPI_GMM, bss_nu++, |
| 3636 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3637 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3638 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3639 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3640 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3641 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3642 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3643 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3644 | OSMO_ASSERT(link_info); |
| 3645 | OSMO_ASSERT(link_info == link_info2); |
| 3646 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3647 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3648 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | f9038d9 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3649 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3650 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3651 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3652 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3653 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3654 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3655 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3656 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3657 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3658 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3659 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3660 | local_tlli, &rai_bss, cell_id, |
| 3661 | GPRS_SAPI_GMM, bss_nu++, |
| 3662 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3663 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3664 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3665 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3666 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3667 | |
| 3668 | /* RA update procedure (reject -> Detach) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3669 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3670 | local_tlli, &rai_bss, 0x7080, |
| 3671 | GPRS_SAPI_GMM, bss_nu++, |
| 3672 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 3673 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3674 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_RA_UPD_REQ)); |
| 3675 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3676 | send_llc_dl_ui(nsi, "RA UDP REJ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3677 | local_tlli, 1, imsi, sizeof(imsi), |
| 3678 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3679 | dtap_ra_upd_rej, sizeof(dtap_ra_upd_rej)); |
| 3680 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3681 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_RA_UPD_REJ)); |
| 3682 | OSMO_ASSERT(!expect_msg()); |
| 3683 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3684 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3685 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3686 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3687 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3688 | OSMO_ASSERT(link_info); |
| 3689 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | f9038d9 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3690 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3691 | /* Bad case: Re-Attach with wrong (initial) P-TMSI */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3692 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3693 | foreign_tlli, &rai_bss, cell_id, |
| 3694 | GPRS_SAPI_GMM, bss_nu++, |
| 3695 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3696 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3697 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 3698 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3699 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3700 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3701 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3702 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3703 | OSMO_ASSERT(link_info); |
| 3704 | OSMO_ASSERT(link_info != link_info2); |
| 3705 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3706 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3707 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | f9038d9 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3708 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3709 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 3710 | foreign_tlli, &rai_bss, cell_id, |
| 3711 | GPRS_SAPI_GMM, bss_nu++, |
| 3712 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3713 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3714 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3715 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 3716 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3717 | |
| 3718 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3719 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3720 | OSMO_ASSERT(link_info); |
| 3721 | OSMO_ASSERT(link_info == link_info2); |
| 3722 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3723 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3724 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3725 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3726 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3727 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3728 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3729 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3730 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3731 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3732 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3733 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3734 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3735 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3736 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3737 | OSMO_ASSERT(link_info); |
| 3738 | OSMO_ASSERT(link_info == link_info2); |
Jacob Erlbeck | 99b4113 | 2014-09-22 09:28:27 +0200 | [diff] [blame] | 3739 | OSMO_ASSERT(link_info->imsi_len > 0); |
Jacob Erlbeck | f9038d9 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3740 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3741 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3742 | local_tlli, &rai_bss, cell_id, |
| 3743 | GPRS_SAPI_GMM, bss_nu++, |
| 3744 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3745 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3746 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3747 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3748 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3749 | |
| 3750 | /* Detach (MT) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3751 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3752 | local_tlli, 1, imsi, sizeof(imsi), |
| 3753 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3754 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3755 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3756 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3757 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3758 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3759 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3760 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3761 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3762 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3763 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3764 | local_tlli, &rai_bss, cell_id, |
| 3765 | GPRS_SAPI_GMM, bss_nu++, |
| 3766 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3767 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3768 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3769 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3770 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3771 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3772 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3773 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3774 | OSMO_ASSERT(link_info); |
| 3775 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | f9038d9 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3776 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3777 | OSMO_ASSERT(!expect_msg()); |
| 3778 | |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3779 | /* Bad case: Re-Attach with local TLLI */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3780 | send_llc_ul_ui(nsi, "ATTACH REQUEST (local TLLI)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3781 | local_tlli, &rai_bss, cell_id, |
| 3782 | GPRS_SAPI_GMM, bss_nu++, |
| 3783 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3784 | |
| 3785 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3786 | |
| 3787 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3788 | |
| 3789 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3790 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3791 | OSMO_ASSERT(link_info); |
| 3792 | OSMO_ASSERT(link_info == link_info2); |
| 3793 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3794 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3795 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3796 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_tlli); |
| 3797 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3798 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3799 | local_tlli, 1, imsi, sizeof(imsi), |
| 3800 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3801 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3802 | |
| 3803 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3804 | |
| 3805 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3806 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3807 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3808 | local_tlli, &rai_bss, cell_id, |
| 3809 | GPRS_SAPI_GMM, bss_nu++, |
| 3810 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3811 | |
| 3812 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3813 | |
| 3814 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3815 | |
| 3816 | /* Detach (MT) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3817 | send_llc_dl_ui(nsi, "DETACH REQ (re-attach)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3818 | local_tlli, 1, imsi, sizeof(imsi), |
| 3819 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3820 | dtap_mt_detach_rea_req, sizeof(dtap_mt_detach_rea_req)); |
| 3821 | |
| 3822 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3823 | |
| 3824 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3825 | |
| 3826 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3827 | OSMO_ASSERT(link_info); |
| 3828 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3829 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3830 | local_tlli, &rai_bss, cell_id, |
| 3831 | GPRS_SAPI_GMM, bss_nu++, |
| 3832 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3833 | |
| 3834 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3835 | OSMO_ASSERT(!expect_msg()); |
| 3836 | |
| 3837 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3838 | |
| 3839 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3840 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3841 | OSMO_ASSERT(link_info); |
| 3842 | OSMO_ASSERT(link_info->is_deregistered); |
| 3843 | |
| 3844 | /* Bad case: Unexpected Re-Attach with IMSI after completed attachment |
| 3845 | * procedure */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3846 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3847 | foreign_tlli, &rai_bss, cell_id, |
| 3848 | GPRS_SAPI_GMM, bss_nu++, |
| 3849 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3850 | |
| 3851 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3852 | |
| 3853 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3854 | |
| 3855 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3856 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3857 | OSMO_ASSERT(link_info); |
| 3858 | OSMO_ASSERT(link_info == link_info2); |
| 3859 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3860 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3861 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3862 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3863 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3864 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3865 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3866 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3867 | |
| 3868 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3869 | |
| 3870 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3871 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3872 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3873 | local_tlli, &rai_bss, cell_id, |
| 3874 | GPRS_SAPI_GMM, bss_nu++, |
| 3875 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3876 | |
| 3877 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3878 | |
| 3879 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3880 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3881 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3882 | local_tlli, 1, imsi, sizeof(imsi), |
| 3883 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3884 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3885 | |
| 3886 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 3887 | |
| 3888 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3889 | |
| 3890 | send_llc_ul_ui(nsi, "ATTACH REQUEST (unexpected, IMSI)", |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3891 | bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3892 | foreign_tlli, &rai_bss, cell_id, |
| 3893 | GPRS_SAPI_GMM, bss_nu++, |
| 3894 | dtap_attach_req4, sizeof(dtap_attach_req4)); |
| 3895 | |
| 3896 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3897 | |
| 3898 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3899 | |
| 3900 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3901 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
Jacob Erlbeck | 0bc746f | 2014-10-30 17:15:43 +0100 | [diff] [blame] | 3902 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3903 | OSMO_ASSERT(link_info == link_info2); |
| 3904 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3905 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3906 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 0bc746f | 2014-10-30 17:15:43 +0100 | [diff] [blame] | 3907 | OSMO_ASSERT(link_info->sgsn_tlli.current == foreign_tlli); |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3908 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
| 3909 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3910 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3911 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3912 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3913 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3914 | |
| 3915 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3916 | |
| 3917 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3918 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3919 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3920 | local_tlli, &rai_bss, cell_id, |
| 3921 | GPRS_SAPI_GMM, bss_nu++, |
| 3922 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3923 | |
| 3924 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3925 | |
| 3926 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3927 | |
| 3928 | /* Detach (MT) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3929 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3930 | local_tlli, 1, imsi, sizeof(imsi), |
| 3931 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3932 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3933 | |
| 3934 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3935 | |
| 3936 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3937 | |
| 3938 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3939 | OSMO_ASSERT(link_info); |
| 3940 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3941 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3942 | local_tlli, &rai_bss, cell_id, |
| 3943 | GPRS_SAPI_GMM, bss_nu++, |
| 3944 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3945 | |
| 3946 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3947 | OSMO_ASSERT(!expect_msg()); |
| 3948 | |
| 3949 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3950 | |
| 3951 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3952 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3953 | OSMO_ASSERT(link_info); |
| 3954 | OSMO_ASSERT(link_info->is_deregistered); |
| 3955 | |
| 3956 | /* Bad case: Unexpected Re-Attach with P-TMSI after completed attachment |
| 3957 | * procedure */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3958 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3959 | foreign_tlli, &rai_bss, cell_id, |
| 3960 | GPRS_SAPI_GMM, bss_nu++, |
| 3961 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3962 | |
| 3963 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3964 | |
| 3965 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3966 | |
| 3967 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3968 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3969 | OSMO_ASSERT(link_info); |
| 3970 | OSMO_ASSERT(link_info == link_info2); |
| 3971 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3972 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3973 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3974 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3975 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3976 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3977 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3978 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3979 | |
| 3980 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3981 | |
| 3982 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3983 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3984 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3985 | local_tlli, &rai_bss, cell_id, |
| 3986 | GPRS_SAPI_GMM, bss_nu++, |
| 3987 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3988 | |
| 3989 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3990 | |
| 3991 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3992 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3993 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3994 | local_tlli, 1, imsi, sizeof(imsi), |
| 3995 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3996 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3997 | |
| 3998 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 3999 | |
| 4000 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4001 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4002 | send_llc_ul_ui(nsi, "ATTACH REQUEST (unexpected)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4003 | foreign_tlli, &rai_bss, cell_id, |
| 4004 | GPRS_SAPI_GMM, bss_nu++, |
| 4005 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 4006 | |
| 4007 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 4008 | |
| 4009 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4010 | |
| 4011 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4012 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
Jacob Erlbeck | 0bc746f | 2014-10-30 17:15:43 +0100 | [diff] [blame] | 4013 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4014 | OSMO_ASSERT(link_info == link_info2); |
| 4015 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 4016 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4017 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 0bc746f | 2014-10-30 17:15:43 +0100 | [diff] [blame] | 4018 | OSMO_ASSERT(link_info->sgsn_tlli.current == foreign_tlli); |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4019 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
| 4020 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4021 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4022 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 4023 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4024 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 4025 | |
| 4026 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 4027 | |
| 4028 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4029 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4030 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4031 | local_tlli, &rai_bss, cell_id, |
| 4032 | GPRS_SAPI_GMM, bss_nu++, |
| 4033 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 4034 | |
| 4035 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 4036 | |
| 4037 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4038 | |
| 4039 | /* Detach (MT) */ |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4040 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4041 | local_tlli, 1, imsi, sizeof(imsi), |
| 4042 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4043 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 4044 | |
| 4045 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 4046 | |
| 4047 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4048 | |
| 4049 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 4050 | OSMO_ASSERT(link_info); |
| 4051 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4052 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | b0f6129 | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4053 | local_tlli, &rai_bss, cell_id, |
| 4054 | GPRS_SAPI_GMM, bss_nu++, |
| 4055 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 4056 | |
| 4057 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 4058 | OSMO_ASSERT(!expect_msg()); |
| 4059 | |
| 4060 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4061 | |
| 4062 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 4063 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4064 | OSMO_ASSERT(link_info); |
| 4065 | OSMO_ASSERT(link_info->is_deregistered); |
| 4066 | |
| 4067 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4068 | /* Attach rejected */ |
| 4069 | |
| 4070 | gbproxy_delete_link_infos(peer); |
| 4071 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4072 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4073 | foreign_tlli, &rai_bss, cell_id, |
| 4074 | GPRS_SAPI_GMM, bss_nu++, |
| 4075 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 4076 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4077 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 4078 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4079 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4080 | |
| 4081 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4082 | OSMO_ASSERT(link_info); |
| 4083 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 4084 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4085 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 4086 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4087 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4088 | foreign_tlli, &rai_bss, cell_id, |
| 4089 | GPRS_SAPI_GMM, bss_nu++, |
| 4090 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 4091 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4092 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 4093 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4094 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4095 | |
| 4096 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4097 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4098 | OSMO_ASSERT(link_info); |
| 4099 | OSMO_ASSERT(link_info == link_info2); |
| 4100 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 4101 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4102 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 4103 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4104 | send_llc_dl_ui(nsi, "ATTACH REJECT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4105 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 4106 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4107 | dtap_attach_rej7, sizeof(dtap_attach_rej7)); |
| 4108 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4109 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_REJ)); |
| 4110 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4111 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4112 | |
Jacob Erlbeck | 538bee0 | 2014-09-22 10:42:05 +0200 | [diff] [blame] | 4113 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, foreign_tlli)); |
| 4114 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4115 | OSMO_ASSERT(!expect_msg()); |
| 4116 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4117 | /* Attach (incomplete) and Detach (MO) */ |
| 4118 | |
| 4119 | gbproxy_delete_link_infos(peer); |
| 4120 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4121 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4122 | foreign_tlli, &rai_bss, cell_id, |
| 4123 | GPRS_SAPI_GMM, bss_nu++, |
| 4124 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 4125 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4126 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 4127 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4128 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4129 | |
| 4130 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4131 | OSMO_ASSERT(link_info); |
| 4132 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 4133 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4134 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 4135 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4136 | send_llc_ul_ui(nsi, "DETACH REQ (MO)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4137 | foreign_tlli, &rai_bss, cell_id, |
| 4138 | GPRS_SAPI_GMM, bss_nu++, |
| 4139 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 4140 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4141 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 4142 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4143 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4144 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4145 | OSMO_ASSERT(!expect_msg()); |
| 4146 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4147 | /* Attach (incomplete) and Detach (MT) */ |
| 4148 | |
| 4149 | gbproxy_delete_link_infos(peer); |
| 4150 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4151 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4152 | foreign_tlli, &rai_bss, cell_id, |
| 4153 | GPRS_SAPI_GMM, bss_nu++, |
| 4154 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 4155 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4156 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 4157 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4158 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4159 | |
| 4160 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4161 | OSMO_ASSERT(link_info); |
| 4162 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 4163 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4164 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 4165 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4166 | send_llc_dl_ui(nsi, "DETACH REQ (MT)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4167 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 4168 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4169 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 4170 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4171 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 4172 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4173 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4174 | |
| 4175 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4176 | OSMO_ASSERT(link_info); |
| 4177 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4178 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4179 | foreign_tlli, &rai_bss, cell_id, |
| 4180 | GPRS_SAPI_GMM, bss_nu++, |
| 4181 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 4182 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4183 | /* TODO: The stored messaged should be cleaned when receiving a Detach |
| 4184 | * Ack. Remove the first OSMO_ASSERT when this is fixed. */ |
| 4185 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 4186 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 4187 | |
Jacob Erlbeck | 73e4f5f | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4188 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4189 | |
| 4190 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, foreign_tlli)); |
| 4191 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4192 | OSMO_ASSERT(link_info); |
| 4193 | OSMO_ASSERT(link_info->is_deregistered); |
| 4194 | |
Jacob Erlbeck | a926e54 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4195 | OSMO_ASSERT(!expect_msg()); |
| 4196 | received_messages = NULL; |
| 4197 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4198 | dump_global(stdout, 0); |
| 4199 | |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4200 | talloc_free(gbcfg.core_apn); |
| 4201 | gbcfg.core_apn = NULL; |
| 4202 | |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4203 | gbprox_reset(&gbcfg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4204 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4205 | nsi = NULL; |
Daniel Willmann | 1e0b000 | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 4206 | |
| 4207 | cleanup_test(); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4208 | } |
| 4209 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4210 | struct gbproxy_link_info *register_tlli( |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4211 | struct gbproxy_bvc *peer, uint32_t tlli, |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4212 | const uint8_t *imsi, size_t imsi_len, time_t now) |
| 4213 | { |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4214 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 070702b | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 4215 | int imsi_matches = -1; |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4216 | int tlli_already_known = 0; |
Daniel Willmann | e50550e | 2020-11-26 18:19:21 +0100 | [diff] [blame] | 4217 | struct gbproxy_config *cfg = peer->nse->cfg; |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4218 | |
| 4219 | /* Check, whether the IMSI matches */ |
| 4220 | if (gprs_is_mi_imsi(imsi, imsi_len)) { |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4221 | imsi_matches = gbproxy_check_imsi( |
| 4222 | &cfg->matches[GBPROX_MATCH_PATCHING], imsi, imsi_len); |
Jacob Erlbeck | 070702b | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 4223 | if (imsi_matches < 0) |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4224 | return NULL; |
| 4225 | } |
| 4226 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4227 | link_info = gbproxy_link_info_by_tlli(peer, tlli); |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4228 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4229 | if (!link_info) { |
| 4230 | link_info = gbproxy_link_info_by_imsi(peer, imsi, imsi_len); |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4231 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4232 | if (link_info) { |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4233 | /* TLLI has changed somehow, adjust it */ |
| 4234 | LOGP(DGPRS, LOGL_INFO, |
| 4235 | "The TLLI has changed from %08x to %08x\n", |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4236 | link_info->tlli.current, tlli); |
| 4237 | link_info->tlli.current = tlli; |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4238 | } |
| 4239 | } |
| 4240 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4241 | if (!link_info) { |
| 4242 | link_info = gbproxy_link_info_alloc(peer); |
| 4243 | link_info->tlli.current = tlli; |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4244 | } else { |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4245 | gbproxy_detach_link_info(peer, link_info); |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4246 | tlli_already_known = 1; |
| 4247 | } |
| 4248 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4249 | OSMO_ASSERT(link_info != NULL); |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4250 | |
| 4251 | if (!tlli_already_known) |
| 4252 | LOGP(DGPRS, LOGL_INFO, "Adding TLLI %08x to list\n", tlli); |
| 4253 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4254 | gbproxy_attach_link_info(peer, now, link_info); |
| 4255 | gbproxy_update_link_info(link_info, imsi, imsi_len); |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4256 | |
Jacob Erlbeck | 070702b | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 4257 | if (imsi_matches >= 0) |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4258 | link_info->is_matching[GBPROX_MATCH_PATCHING] = imsi_matches; |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4259 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4260 | return link_info; |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4261 | } |
| 4262 | |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4263 | static void test_gbproxy_tlli_expire(void) |
| 4264 | { |
| 4265 | struct gbproxy_config cfg = {0}; |
Daniel Willmann | e50550e | 2020-11-26 18:19:21 +0100 | [diff] [blame] | 4266 | struct gbproxy_nse *nse; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4267 | struct gbproxy_bvc *peer; |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4268 | const char *err_msg = NULL; |
Neels Hofmeyr | 17d6134 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 4269 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI, 0x23, 0x24, 0x25, 0xf6 }; |
| 4270 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI, 0x26, 0x27, 0x28, 0xf9 }; |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4271 | const uint8_t imsi3[] = { GSM_MI_TYPE_IMSI | 0x10, 0x32, 0x54, 0x76, 0xf8 }; |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4272 | const uint32_t tlli1 = 1234 | 0xc0000000; |
| 4273 | const uint32_t tlli2 = 5678 | 0xc0000000; |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4274 | const uint32_t tlli3 = 3456 | 0xc0000000; |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4275 | const char *filter_re = ".*"; |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4276 | time_t now = 1407479214; |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4277 | |
| 4278 | printf("Test TLLI info expiry\n\n"); |
| 4279 | |
| 4280 | gbproxy_init_config(&cfg); |
Daniel Willmann | e50550e | 2020-11-26 18:19:21 +0100 | [diff] [blame] | 4281 | nse = gbproxy_nse_by_nsei_or_new(&cfg, 0); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4282 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4283 | if (gbproxy_set_patch_filter(&cfg.matches[GBPROX_MATCH_PATCHING], |
| 4284 | filter_re, &err_msg) != 0) { |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4285 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 4286 | err_msg); |
| 4287 | OSMO_ASSERT(err_msg == NULL); |
| 4288 | } |
| 4289 | |
| 4290 | { |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4291 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4292 | |
| 4293 | printf("Test TLLI replacement:\n"); |
| 4294 | |
| 4295 | cfg.tlli_max_len = 0; |
| 4296 | cfg.tlli_max_age = 0; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4297 | peer = gbproxy_bvc_alloc(nse, 20); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4298 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4299 | |
| 4300 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4301 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | cf11e93 | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4302 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4303 | OSMO_ASSERT(link_info); |
| 4304 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4305 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4306 | |
| 4307 | /* replace the old entry */ |
| 4308 | printf(" Add TLLI 2, IMSI 1 (should replace TLLI 1)\n"); |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4309 | link_info = register_tlli(peer, tlli2, |
Jacob Erlbeck | cf11e93 | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4310 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4311 | OSMO_ASSERT(link_info); |
| 4312 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4313 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4314 | |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4315 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4316 | |
| 4317 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4318 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4319 | OSMO_ASSERT(link_info); |
| 4320 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
| 4321 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4322 | OSMO_ASSERT(!link_info); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4323 | |
| 4324 | printf("\n"); |
| 4325 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4326 | gbproxy_bvc_free(peer); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4327 | } |
| 4328 | |
| 4329 | { |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4330 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4331 | |
| 4332 | printf("Test IMSI replacement:\n"); |
| 4333 | |
| 4334 | cfg.tlli_max_len = 0; |
| 4335 | cfg.tlli_max_age = 0; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4336 | peer = gbproxy_bvc_alloc(nse, 20); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4337 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4338 | |
| 4339 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4340 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | cf11e93 | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4341 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4342 | OSMO_ASSERT(link_info); |
| 4343 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4344 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4345 | |
| 4346 | /* try to replace the old entry */ |
| 4347 | printf(" Add TLLI 1, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4348 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | cf11e93 | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4349 | imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4350 | OSMO_ASSERT(link_info); |
| 4351 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4352 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4353 | |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4354 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4355 | |
| 4356 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4357 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4358 | OSMO_ASSERT(!link_info); |
| 4359 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4360 | OSMO_ASSERT(link_info); |
| 4361 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4362 | |
| 4363 | printf("\n"); |
| 4364 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4365 | gbproxy_bvc_free(peer); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4366 | } |
| 4367 | |
| 4368 | { |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4369 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 985b46e | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4370 | int num_removed; |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4371 | |
| 4372 | printf("Test TLLI expiry, max_len == 1:\n"); |
| 4373 | |
| 4374 | cfg.tlli_max_len = 1; |
| 4375 | cfg.tlli_max_age = 0; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4376 | peer = gbproxy_bvc_alloc(nse, 20); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4377 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4378 | |
| 4379 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4380 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4381 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4382 | |
| 4383 | /* replace the old entry */ |
| 4384 | printf(" Add TLLI 2, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4385 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4386 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Jacob Erlbeck | 985b46e | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4387 | |
Jacob Erlbeck | c4fb4c2 | 2014-09-19 16:40:21 +0200 | [diff] [blame] | 4388 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 2); |
Jacob Erlbeck | 985b46e | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4389 | OSMO_ASSERT(num_removed == 1); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4390 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4391 | |
Jacob Erlbeck | c404c08 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4392 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4393 | |
| 4394 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4395 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4396 | OSMO_ASSERT(!link_info); |
| 4397 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4398 | OSMO_ASSERT(link_info); |
| 4399 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4400 | |
| 4401 | printf("\n"); |
| 4402 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4403 | gbproxy_bvc_free(peer); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4404 | } |
| 4405 | |
| 4406 | { |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4407 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 985b46e | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4408 | int num_removed; |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4409 | |
| 4410 | printf("Test TLLI expiry, max_age == 1:\n"); |
| 4411 | |
| 4412 | cfg.tlli_max_len = 0; |
| 4413 | cfg.tlli_max_age = 1; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4414 | peer = gbproxy_bvc_alloc(nse, 20); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4415 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4416 | |
| 4417 | printf(" Add TLLI 1, IMSI 1 (should expire after timeout)\n"); |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4418 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4419 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4420 | |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4421 | printf(" Add TLLI 2, IMSI 2 (should not expire after timeout)\n"); |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4422 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4423 | now + 1); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4424 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4425 | |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4426 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 2); |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4427 | OSMO_ASSERT(num_removed == 1); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4428 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4429 | |
| 4430 | dump_peers(stdout, 2, now + 2, &cfg); |
| 4431 | |
Jacob Erlbeck | 383c841 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4432 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4433 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4434 | OSMO_ASSERT(!link_info); |
| 4435 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4436 | OSMO_ASSERT(link_info); |
| 4437 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Jacob Erlbeck | 383c841 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4438 | |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4439 | printf("\n"); |
| 4440 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4441 | gbproxy_bvc_free(peer); |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4442 | } |
| 4443 | |
| 4444 | { |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4445 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4446 | int num_removed; |
| 4447 | |
| 4448 | printf("Test TLLI expiry, max_len == 2, max_age == 1:\n"); |
| 4449 | |
| 4450 | cfg.tlli_max_len = 0; |
| 4451 | cfg.tlli_max_age = 1; |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4452 | peer = gbproxy_bvc_alloc(nse, 20); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4453 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4454 | |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4455 | printf(" Add TLLI 1, IMSI 1 (should expire)\n"); |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4456 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4457 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4458 | |
| 4459 | printf(" Add TLLI 2, IMSI 2 (should expire after timeout)\n"); |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4460 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4461 | now + 1); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4462 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4463 | |
| 4464 | printf(" Add TLLI 3, IMSI 3 (should not expire after timeout)\n"); |
Jacob Erlbeck | c68f66c | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4465 | register_tlli(peer, tlli3, imsi3, ARRAY_SIZE(imsi3), |
Jacob Erlbeck | cf11e93 | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4466 | now + 2); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4467 | OSMO_ASSERT(peer->patch_state.logical_link_count == 3); |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4468 | |
| 4469 | dump_peers(stdout, 2, now + 2, &cfg); |
| 4470 | |
| 4471 | printf(" Remove stale TLLIs\n"); |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4472 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 3); |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4473 | OSMO_ASSERT(num_removed == 2); |
Jacob Erlbeck | 485e28c | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4474 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | 3e2045e | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4475 | |
| 4476 | dump_peers(stdout, 2, now + 2, &cfg); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4477 | |
Jacob Erlbeck | 383c841 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4478 | /* verify that tlli3 has survived */ |
Jacob Erlbeck | 2b2406a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4479 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4480 | OSMO_ASSERT(!link_info); |
| 4481 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4482 | OSMO_ASSERT(!link_info); |
| 4483 | link_info = gbproxy_link_info_by_imsi(peer, imsi3, ARRAY_SIZE(imsi3)); |
| 4484 | OSMO_ASSERT(link_info); |
| 4485 | OSMO_ASSERT(link_info->tlli.current == tlli3); |
Jacob Erlbeck | 383c841 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4486 | |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4487 | printf("\n"); |
| 4488 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4489 | gbproxy_bvc_free(peer); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4490 | } |
Jacob Erlbeck | 8fbf44a | 2014-09-25 11:21:34 +0200 | [diff] [blame] | 4491 | gbproxy_clear_patch_filter(&cfg.matches[GBPROX_MATCH_PATCHING]); |
| 4492 | gbprox_reset(&cfg); |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4493 | /* gbprox_reset() frees the rate_ctr, but re-allocates it again. */ |
| 4494 | rate_ctr_group_free(cfg.ctrg); |
Daniel Willmann | 1e0b000 | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 4495 | |
| 4496 | cleanup_test(); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4497 | } |
| 4498 | |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4499 | static void test_gbproxy_imsi_matching(void) |
| 4500 | { |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4501 | const char *err_msg = NULL; |
| 4502 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI | 0x10, 0x32, 0x54, 0xf6 }; |
| 4503 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 4504 | const uint8_t imsi3_bad[] = { GSM_MI_TYPE_IMSI | 0x10, 0xee, 0x54, 0xff }; |
| 4505 | const uint8_t tmsi1[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22, 0x33, 0x44 }; |
| 4506 | const uint8_t tmsi2_bad[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22 }; |
| 4507 | const uint8_t imei1[] = { GSM_MI_TYPE_IMEI | 0x10, 0x32, 0x54, 0xf6 }; |
| 4508 | const uint8_t imei2[] = { GSM_MI_TYPE_IMEI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 4509 | const char *filter_re1 = ".*"; |
| 4510 | const char *filter_re2 = "^1234"; |
| 4511 | const char *filter_re3 = "^4321"; |
| 4512 | const char *filter_re4_bad = "^12["; |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4513 | struct gbproxy_match match = {0,}; |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4514 | |
| 4515 | printf("=== Test IMSI/TMSI matching ===\n\n"); |
| 4516 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4517 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4518 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4519 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re1, &err_msg) == 0); |
| 4520 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4521 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4522 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4523 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4524 | |
| 4525 | err_msg = NULL; |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4526 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re4_bad, &err_msg) == -1); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4527 | OSMO_ASSERT(err_msg != NULL); |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4528 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4529 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4530 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4531 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4532 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4533 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, NULL, &err_msg) == 0); |
| 4534 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4535 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4536 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4537 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 581728f | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 4538 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4539 | gbproxy_clear_patch_filter(&match); |
| 4540 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 581728f | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 4541 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4542 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4543 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4544 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4545 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi1, ARRAY_SIZE(imsi1)) == 1); |
| 4546 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi2, ARRAY_SIZE(imsi2)) == 1); |
Neels Hofmeyr | 7facc86 | 2020-05-29 16:53:23 +0200 | [diff] [blame] | 4547 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == -1); |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4548 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 4549 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 4550 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei1, ARRAY_SIZE(imei1)) == -1); |
| 4551 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4552 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4553 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re3, &err_msg) == 0); |
| 4554 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4555 | |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4556 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi1, ARRAY_SIZE(imsi1)) == 0); |
| 4557 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi2, ARRAY_SIZE(imsi2)) == 0); |
Neels Hofmeyr | 7facc86 | 2020-05-29 16:53:23 +0200 | [diff] [blame] | 4558 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == -1); |
Jacob Erlbeck | f4290b0 | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4559 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 4560 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 4561 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei1, ARRAY_SIZE(imei1)) == -1); |
| 4562 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4563 | |
| 4564 | /* TODO: Check correct length but wrong type with is_mi_tmsi */ |
Jacob Erlbeck | 8fbf44a | 2014-09-25 11:21:34 +0200 | [diff] [blame] | 4565 | |
| 4566 | gbproxy_clear_patch_filter(&match); |
| 4567 | OSMO_ASSERT(match.enable == 0); |
Daniel Willmann | 1e0b000 | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 4568 | |
| 4569 | cleanup_test(); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4570 | } |
| 4571 | |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4572 | static void test_gbproxy_stored_messages() |
| 4573 | { |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4574 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4575 | struct gprs_ra_id rai_bss = |
| 4576 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 4577 | struct gprs_ra_id rai_unknown = |
| 4578 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 4579 | uint16_t cell_id = 0x1234; |
| 4580 | |
| 4581 | const uint32_t ptmsi = 0xefe2b700; |
| 4582 | const uint32_t local_tlli = 0xefe2b700; |
| 4583 | |
| 4584 | const uint32_t foreign_tlli1 = 0x8000dead; |
| 4585 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4586 | struct gbproxy_bvc *peer; |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4587 | unsigned bss_nu = 0; |
| 4588 | unsigned sgsn_nu = 0; |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4589 | uint16_t bss_nsei[] = { 0x1000 }; |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4590 | |
| 4591 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 4592 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4593 | gbcfg.nsi = nsi; |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4594 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 6179f0c | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 4595 | gbcfg.core_plmn = (struct osmo_plmn_id){}; |
Pau Espin Pedrol | d7b95e3 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4596 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4597 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 4598 | gbcfg.patch_ptmsi = 0; |
| 4599 | gbcfg.acquire_imsi = 1; |
| 4600 | gbcfg.keep_link_infos = 0; |
| 4601 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4602 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4603 | |
| 4604 | printf("=== %s ===\n", __func__); |
| 4605 | printf("--- Initialise SGSN ---\n\n"); |
| 4606 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4607 | connect_sgsn(nsi, SGSN_NSEI); |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4608 | |
| 4609 | printf("--- Initialise BSS 1 ---\n\n"); |
| 4610 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4611 | setup_ns(nsi, bss_nsei[0]); |
| 4612 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4613 | |
Harald Welte | 560bdb3 | 2020-12-04 22:24:47 +0100 | [diff] [blame] | 4614 | peer = gbproxy_bvc_by_nsei(&gbcfg, 0x1000); |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4615 | OSMO_ASSERT(peer != NULL); |
| 4616 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4617 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4618 | |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4619 | dump_global(stdout, 0); |
| 4620 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4621 | |
| 4622 | printf("--- Establish first LLC connection ---\n\n"); |
| 4623 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4624 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4625 | foreign_tlli1, &rai_unknown, cell_id, |
| 4626 | GPRS_SAPI_GMM, bss_nu++, |
| 4627 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 4628 | |
| 4629 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4630 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4631 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4632 | foreign_tlli1, 0, NULL, 0, |
| 4633 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4634 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 4635 | |
| 4636 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4637 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4638 | send_llc_ul_ui(nsi, "DETACH ACCEPT", bss_nsei[0], 0x1002, |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4639 | foreign_tlli1, &rai_bss, cell_id, |
| 4640 | GPRS_SAPI_GMM, bss_nu++, |
| 4641 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 4642 | |
| 4643 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4644 | |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4645 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4646 | foreign_tlli1, &rai_bss, cell_id, |
| 4647 | GPRS_SAPI_GMM, bss_nu++, |
| 4648 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 4649 | |
| 4650 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4651 | |
| 4652 | dump_global(stdout, 0); |
| 4653 | |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4654 | talloc_free(gbcfg.core_apn); |
| 4655 | gbcfg.core_apn = NULL; |
| 4656 | |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4657 | gbprox_reset(&gbcfg); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4658 | gprs_ns2_free(nsi); |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4659 | nsi = NULL; |
| 4660 | |
| 4661 | cleanup_test(); |
| 4662 | } |
| 4663 | |
Stefan Sperling | 606fb89 | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4664 | /* See OS#3178 "gbproxy: failed to parse invalid BSSGP-UNITDATA message" */ |
| 4665 | static void test_gbproxy_parse_bssgp_unitdata() |
| 4666 | { |
| 4667 | const char *hex = "0000239401e155cfea000004088872f4801018009c4000800e000601c0416c4338"; |
| 4668 | struct msgb *msg = msgb_alloc(1034, "bssgp_unitdata"); |
| 4669 | struct gprs_gb_parse_context parse_ctx; |
| 4670 | int rc; |
| 4671 | |
| 4672 | memset(&parse_ctx, 0, sizeof(parse_ctx)); |
| 4673 | |
| 4674 | OSMO_ASSERT(msg); |
| 4675 | msgb_bssgph(msg) = msg->head; |
| 4676 | msgb_put(msg, osmo_hexparse(hex, msg->head, msgb_tailroom(msg))); |
| 4677 | |
| 4678 | parse_ctx.to_bss = 0; |
| 4679 | parse_ctx.peer_nsei = msgb_nsei(msg); |
| 4680 | |
Stefan Sperling | 606fb89 | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4681 | rc = gprs_gb_parse_bssgp(msg->data, msg->len, &parse_ctx); |
Stefan Sperling | 99dc488 | 2018-06-23 16:50:06 +0200 | [diff] [blame] | 4682 | if (!rc) |
| 4683 | fprintf(stderr, "%s: Test passed; Failed to parse invalid message %s\n", __func__, msgb_hexdump(msg)); |
| 4684 | else |
| 4685 | fprintf(stderr, "%s: Test failed; invalid message was accepted by parser: %s\n", __func__, msgb_hexdump(msg)); |
| 4686 | |
| 4687 | OSMO_ASSERT(!rc); |
| 4688 | |
| 4689 | /* Manually decoded message according to: |
| 4690 | ETSI TS 148 018 V10.6.0 (2012 07) 96 |
| 4691 | 3GPP TS 48.018 version 10.6.0 Release 10 |
| 4692 | Table 10.2.2: UL-UNITDATA PDU content |
| 4693 | |
| 4694 | 00 - PDU type UL-UNITDATA (ok) |
| 4695 | |
| 4696 | 11.3.35 Temporary logical link Identity (TLLI) |
| 4697 | 00 - TLLI[0] |
| 4698 | 23 - TLLI[1] |
| 4699 | 94 - TLLI[2] |
| 4700 | 01 - TLLI[3] |
| 4701 | TLLI == "00239401" |
| 4702 | |
| 4703 | e1 - QOS[0] (bit rate MSB) |
| 4704 | 55 - QOS[1] (bit rate LSB) |
| 4705 | bit rate = "57685" (57685*100000 bit/s per PBRG) |
| 4706 | cf - QOS[2] PBRG = 11 (bit rate is expressed in 100000 bit/s increments), |
| 4707 | C/R 0 (contains LLC ACK/SACK), |
| 4708 | T 0 (contains signalling), |
| 4709 | A 1 (radio if uses MAC/UNITDATA, |
| 4710 | Precedence 111 (reserved value) |
| 4711 | |
| 4712 | ea - CELL_ID[0] (TLV IEI: wrong, should be 0x08) |
| 4713 | 00 - CELL_ID[1] (length 1) |
| 4714 | 00 - CELL_ID[2] (length 2) |
| 4715 | lenth == 0 |
| 4716 | 04 -- CELL_ID[3] |
| 4717 | 08 -- CELL_ID[4] |
| 4718 | 88 -- CELL_ID[5] |
| 4719 | 72 -- CELL_ID[6] |
| 4720 | f4 -- CELL_ID[7] |
| 4721 | 80 -- CELL_ID[8] |
| 4722 | 10 -- CELL_DI[9] |
| 4723 | |
| 4724 | 18 -- QOSP[0] OoS Profile IEI |
| 4725 | not allowed in BSSGP Userdata |
| 4726 | 00 -- QOSP[1] |
| 4727 | 9c -- QOSP[2] |
| 4728 | 40 -- QOSP[3] |
| 4729 | 00 -- QOSP[4] |
| 4730 | |
| 4731 | 80 -- IEI for "E-UTRAN Inter RAT Handover Info" |
| 4732 | not allowed in BSSGP Userdata |
| 4733 | 0e -- length (14 bytes -- only 8 bytes remain) |
| 4734 | 00 06 01 c0 41 6c 43 38 */ |
Stefan Sperling | 606fb89 | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4735 | |
| 4736 | msgb_free(msg); |
Stefan Sperling | 99dc488 | 2018-06-23 16:50:06 +0200 | [diff] [blame] | 4737 | |
| 4738 | cleanup_test(); |
Stefan Sperling | 606fb89 | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4739 | } |
| 4740 | |
Jacob Erlbeck | b440bf8 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4741 | static struct log_info_cat gprs_categories[] = { |
| 4742 | [DGPRS] = { |
| 4743 | .name = "DGPRS", |
| 4744 | .description = "GPRS Packet Service", |
| 4745 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 4746 | }, |
| 4747 | [DNS] = { |
| 4748 | .name = "DNS", |
| 4749 | .description = "GPRS Network Service (NS)", |
| 4750 | .enabled = 1, .loglevel = LOGL_INFO, |
| 4751 | }, |
| 4752 | [DBSSGP] = { |
| 4753 | .name = "DBSSGP", |
| 4754 | .description = "GPRS BSS Gateway Protocol (BSSGP)", |
| 4755 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 4756 | }, |
Holger Hans Peter Freyther | 8927642 | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4757 | }; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4758 | |
Holger Hans Peter Freyther | 8927642 | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4759 | static struct log_info info = { |
Jacob Erlbeck | b440bf8 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4760 | .cat = gprs_categories, |
| 4761 | .num_cat = ARRAY_SIZE(gprs_categories), |
Holger Hans Peter Freyther | 8927642 | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4762 | }; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4763 | |
| 4764 | int main(int argc, char **argv) |
| 4765 | { |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4766 | talloc_enable_leak_report(); |
Pau Espin Pedrol | d7b95e3 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4767 | tall_sgsn_ctx = talloc_named_const(NULL, 0, "gbproxy_test"); |
| 4768 | void *log_ctx = talloc_named_const(tall_sgsn_ctx, 0, "log"); |
Neels Hofmeyr | 20215f1 | 2016-09-16 02:31:17 +0200 | [diff] [blame] | 4769 | |
Pau Espin Pedrol | d7b95e3 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4770 | msgb_talloc_ctx_init(tall_sgsn_ctx, 0); |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4771 | |
| 4772 | osmo_init_logging2(log_ctx, &info); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4773 | log_set_use_color(osmo_stderr_target, 0); |
| 4774 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | b440bf8 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4775 | log_set_log_level(osmo_stderr_target, LOGL_DEBUG); |
| 4776 | log_set_all_filter(osmo_stderr_target, 1); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4777 | |
Pau Espin Pedrol | d7b95e3 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4778 | rate_ctr_init(tall_sgsn_ctx); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4779 | |
| 4780 | setlinebuf(stdout); |
| 4781 | |
| 4782 | printf("===== GbProxy test START\n"); |
Holger Hans Peter Freyther | 5eaf1a2 | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 4783 | gbproxy_init_config(&gbcfg); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4784 | test_gbproxy(); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4785 | test_gbproxy_ident_changes(); |
Alexander Couzens | 951e133 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4786 | test_gbproxy_ra_patching(); |
Jacob Erlbeck | b679977 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4787 | test_gbproxy_imsi_matching(); |
Jacob Erlbeck | 571aec3 | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 4788 | test_gbproxy_ptmsi_assignment(); |
Jacob Erlbeck | 70e00de | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 4789 | test_gbproxy_ptmsi_patching(); |
Jacob Erlbeck | f7d1b4e | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 4790 | test_gbproxy_ptmsi_patching_bad_cases(); |
Jacob Erlbeck | bfed3b2 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 4791 | test_gbproxy_imsi_acquisition(); |
Jacob Erlbeck | 1235606 | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 4792 | test_gbproxy_secondary_sgsn(); |
Jacob Erlbeck | 2c74e44 | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4793 | test_gbproxy_keep_info(); |
Holger Hans Peter Freyther | 60fa5b9 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4794 | test_gbproxy_tlli_expire(); |
Daniel Willmann | 9f98d7b | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4795 | test_gbproxy_stored_messages(); |
Stefan Sperling | 606fb89 | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4796 | test_gbproxy_parse_bssgp_unitdata(); |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4797 | gbprox_reset(&gbcfg); |
| 4798 | /* gbprox_reset() frees the rate_ctr, but re-allocates it again. */ |
| 4799 | rate_ctr_group_free(gbcfg.ctrg); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4800 | printf("===== GbProxy test END\n\n"); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4801 | |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4802 | talloc_free(log_ctx); |
| 4803 | /* expecting root and msgb ctx, empty */ |
Pau Espin Pedrol | d7b95e3 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4804 | OSMO_ASSERT(talloc_total_blocks(tall_sgsn_ctx) == 2); |
| 4805 | talloc_free(tall_sgsn_ctx); |
Neels Hofmeyr | 8de6b86 | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4806 | |
| 4807 | return 0; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4808 | } |