Jacob Erlbeck | 51a869c | 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 | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3 | * (C) 2013-2020 by sysmocom s.f.m.c. GmbH |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4 | * Author: Jacob Erlbeck <jerlbeck@sysmocom.de> |
| 5 | */ |
Jacob Erlbeck | 51a869c | 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 | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 15 | #include <time.h> |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 16 | #include <sys/types.h> |
| 17 | #include <sys/socket.h> |
| 18 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 19 | #include <talloc.h> |
Jacob Erlbeck | 51a869c | 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 | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 26 | #include <osmocom/core/socket.h> |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 27 | #include <osmocom/core/rate_ctr.h> |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 28 | #include <osmocom/gsm/tlv.h> |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 29 | #include <osmocom/gsm/gsm_utils.h> |
Harald Welte | 53373bc | 2016-04-20 17:11:43 +0200 | [diff] [blame] | 30 | #include <osmocom/gsm/protocol/gsm_04_08_gprs.h> |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 31 | #include <osmocom/gprs/gprs_msgb.h> |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 32 | #include <osmocom/gprs/gprs_ns2.h> |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 33 | #include <osmocom/gprs/gprs_bssgp.h> |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 34 | #include <osmocom/core/prim.h> |
| 35 | #include <osmocom/vty/command.h> |
Neels Hofmeyr | 396f2e6 | 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 | 51a869c | 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 | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 45 | #define SGSN_NSEI 0x0100 |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 46 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 47 | #define REMOTE_SGSN2_ADDR 0x15161718 |
| 48 | #define SGSN2_NSEI 0x0102 |
| 49 | |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 50 | #define MATCH_ANY (-1) |
| 51 | |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 52 | void *tall_sgsn_ctx = NULL; |
Neels Hofmeyr | ee6cfdc | 2017-07-13 02:03:50 +0200 | [diff] [blame] | 53 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 54 | struct gbproxy_config gbcfg = {0}; |
| 55 | |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 56 | struct llist_head *received_messages = NULL; |
| 57 | |
Max | 3b6332f | 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 | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 63 | |
Max | 3b6332f | 2017-11-01 13:28:38 +0100 | [diff] [blame] | 64 | int __wrap_osmo_get_rand_id(uint8_t *buf, size_t num) |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 65 | { |
Max | 3b6332f | 2017-11-01 13:28:38 +0100 | [diff] [blame] | 66 | return (*osmo_get_rand_id_cb)(buf, num); |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | static int rand_seq_num = 0; |
Max | 3b6332f | 2017-11-01 13:28:38 +0100 | [diff] [blame] | 70 | int mock_osmo_get_rand_id(uint8_t *buf, size_t num) |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 71 | { |
| 72 | uint32_t val; |
| 73 | |
| 74 | OSMO_ASSERT(num == sizeof(val)); |
Daniel Willmann | 537d480 | 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 | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 85 | static void cleanup_test() |
| 86 | { |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 87 | rand_seq_num = 0; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 88 | } |
| 89 | |
Holger Hans Peter Freyther | b900459 | 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 | 7b821d0 | 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 | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 120 | { |
Holger Hans Peter Freyther | 1ddd9e5 | 2014-08-04 11:35:32 +0200 | [diff] [blame] | 121 | struct gbproxy_peer *peer; |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 122 | struct gprs_ra_id raid; |
| 123 | unsigned int i; |
| 124 | const struct rate_ctr_group_desc *desc; |
| 125 | int rc; |
Holger Hans Peter Freyther | b900459 | 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 | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 131 | llist_for_each_entry(peer, &cfg->bts_peers, list) { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 132 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 1ddd9e5 | 2014-08-04 11:35:32 +0200 | [diff] [blame] | 133 | struct gbproxy_patch_state *state = &peer->patch_state; |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 134 | gsm48_parse_ra(&raid, peer->ra); |
| 135 | |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 136 | rc = fprintf(stream, "%*s NSEI %u, BVCI %u, %sblocked, RAI %s\n", |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 137 | indent, "", |
| 138 | peer->nsei, peer->bvci, |
| 139 | peer->blocked ? "" : "not ", |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 140 | osmo_rai_name(&raid)); |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 141 | |
| 142 | if (rc < 0) |
| 143 | return rc; |
| 144 | |
| 145 | desc = peer->ctrg->desc; |
| 146 | |
| 147 | for (i = 0; i < desc->num_ctr; i++) { |
| 148 | struct rate_ctr *ctr = &peer->ctrg->ctr[i]; |
| 149 | if (ctr->current) { |
| 150 | rc = fprintf(stream, "%*s %s: %llu\n", |
| 151 | indent, "", |
| 152 | desc->ctr_desc[i].description, |
| 153 | (long long)ctr->current); |
| 154 | |
| 155 | if (rc < 0) |
| 156 | return rc; |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | fprintf(stream, "%*s TLLI-Cache: %d\n", |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 161 | indent, "", state->logical_link_count); |
| 162 | llist_for_each_entry(link_info, &state->logical_links, list) { |
Neels Hofmeyr | b26a5a8 | 2020-05-29 16:53:23 +0200 | [diff] [blame] | 163 | struct osmo_mobile_identity mi; |
| 164 | const char *imsi_str; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 165 | time_t age = now ? now - link_info->timestamp : 0; |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 166 | int stored_msgs = 0; |
| 167 | struct llist_head *iter; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 168 | enum gbproxy_match_id match_id; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 169 | llist_for_each(iter, &link_info->stored_msgs) |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 170 | stored_msgs++; |
| 171 | |
Neels Hofmeyr | b26a5a8 | 2020-05-29 16:53:23 +0200 | [diff] [blame] | 172 | if (link_info->imsi > 0) { |
| 173 | if (osmo_mobile_identity_decode(&mi, link_info->imsi, link_info->imsi_len, false) |
| 174 | || mi.type != GSM_MI_TYPE_IMSI) |
| 175 | imsi_str = "(invalid)"; |
| 176 | else |
| 177 | imsi_str = mi.imsi; |
Jacob Erlbeck | 89d3d34 | 2014-08-06 18:55:15 +0200 | [diff] [blame] | 178 | } else { |
Neels Hofmeyr | b26a5a8 | 2020-05-29 16:53:23 +0200 | [diff] [blame] | 179 | imsi_str = "(none)"; |
Jacob Erlbeck | 89d3d34 | 2014-08-06 18:55:15 +0200 | [diff] [blame] | 180 | } |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 181 | fprintf(stream, "%*s TLLI %08x", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 182 | indent, "", link_info->tlli.current); |
| 183 | if (link_info->tlli.assigned) |
| 184 | fprintf(stream, "/%08x", link_info->tlli.assigned); |
| 185 | if (link_info->sgsn_tlli.current) { |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 186 | fprintf(stream, " -> %08x", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 187 | link_info->sgsn_tlli.current); |
| 188 | if (link_info->sgsn_tlli.assigned) |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 189 | fprintf(stream, "/%08x", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 190 | link_info->sgsn_tlli.assigned); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 191 | } |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 192 | fprintf(stream, ", IMSI %s, AGE %d", |
Neels Hofmeyr | b26a5a8 | 2020-05-29 16:53:23 +0200 | [diff] [blame] | 193 | imsi_str, (int)age); |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 194 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 195 | if (stored_msgs) |
| 196 | fprintf(stream, ", STORED %d", stored_msgs); |
| 197 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 198 | for (match_id = 0; match_id < ARRAY_SIZE(cfg->matches); |
| 199 | ++match_id) { |
| 200 | if (cfg->matches[match_id].enable && |
| 201 | link_info->is_matching[match_id]) { |
| 202 | fprintf(stream, ", IMSI matches"); |
| 203 | break; |
| 204 | } |
| 205 | } |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 206 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 207 | if (link_info->imsi_acq_pending) |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 208 | fprintf(stream, ", IMSI acquisition in progress"); |
| 209 | |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 210 | if (cfg->route_to_sgsn2) |
| 211 | fprintf(stream, ", SGSN NSEI %d", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 212 | link_info->sgsn_nsei); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 213 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 214 | if (link_info->is_deregistered) |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 215 | fprintf(stream, ", DE-REGISTERED"); |
| 216 | |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 217 | rc = fprintf(stream, "\n"); |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 218 | if (rc < 0) |
| 219 | return rc; |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | return 0; |
| 224 | } |
| 225 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 226 | const uint8_t *convert_ra(struct gprs_ra_id *raid) |
| 227 | { |
Max | 25c65c3 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 228 | static struct gsm48_ra_id r; |
| 229 | gsm48_encode_ra(&r, raid); |
| 230 | return (const uint8_t *)&r; |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 231 | } |
| 232 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 233 | /* DTAP - Attach Request */ |
| 234 | static const unsigned char dtap_attach_req[] = { |
| 235 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 236 | 0x05, 0xf4, 0xfb, 0xc5, 0x46, 0x79, 0x11, 0x22, |
| 237 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 238 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 239 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 240 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 241 | }; |
| 242 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 243 | /* DTAP - Attach Request (invalid RAI) */ |
| 244 | static const unsigned char dtap_attach_req2[] = { |
| 245 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 246 | 0x05, 0xf4, 0xfb, 0x00, 0xbe, 0xef, 0x99, 0x99, |
| 247 | 0x99, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 248 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 249 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 250 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 251 | }; |
| 252 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 253 | /* DTAP - Attach Request (P-TMSI 0x3f32b700) */ |
| 254 | static const unsigned char dtap_attach_req3[] = { |
| 255 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 256 | 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x11, 0x22, |
| 257 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 258 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 259 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 260 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 261 | }; |
| 262 | |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 263 | /* DTAP - Attach Request (IMSI 12131415161718) */ |
| 264 | static const unsigned char dtap_attach_req4[] = { |
| 265 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 266 | 0x08, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 267 | 0xf8, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, 0x19, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 268 | 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, 0x62, 0x00, |
| 269 | 0x60, 0x80, 0x9a, 0xc2, 0xc6, 0x62, 0x00, 0x60, |
| 270 | 0x80, 0xba, 0xc8, 0xc6, 0x62, 0x00, 0x60, 0x80, |
| 271 | 0x00, |
| 272 | }; |
| 273 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 274 | /* DTAP - Identity Request */ |
| 275 | static const unsigned char dtap_identity_req[] = { |
| 276 | 0x08, 0x15, 0x01 |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 277 | }; |
| 278 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 279 | /* DTAP - Identity Response */ |
| 280 | static const unsigned char dtap_identity_resp[] = { |
| 281 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x13, 0x14, 0x15, |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 282 | 0x16, 0x17, 0xf8 |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 283 | }; |
| 284 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 285 | /* DTAP - Identity Response, IMSI 2 */ |
| 286 | static const unsigned char dtap_identity2_resp[] = { |
| 287 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x99, 0x99, 0x99, |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 288 | 0x16, 0x17, 0xf8 |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 289 | }; |
| 290 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 291 | /* DTAP - Identity Response, IMSI 3 */ |
| 292 | static const unsigned char dtap_identity3_resp[] = { |
| 293 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x99, 0x99, 0x99, |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 294 | 0x26, 0x27, 0xf8 |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 295 | }; |
| 296 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 297 | /* DTAP - Attach Accept */ |
| 298 | static const unsigned char dtap_attach_acc[] = { |
| 299 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 300 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 301 | 0x16, 0x18, 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 302 | }; |
| 303 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 304 | /* DTAP - Attach Accept, P-TMSI 2 */ |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 305 | static const unsigned char dtap_attach_acc2[] = { |
| 306 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 307 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 308 | 0x16, 0x18, 0x05, 0xf4, 0xe0, 0x98, 0x76, 0x54 |
| 309 | }; |
| 310 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 311 | /* DTAP - Attach Complete */ |
| 312 | static const unsigned char dtap_attach_complete[] = { |
| 313 | 0x08, 0x03 |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 314 | }; |
| 315 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 316 | /* DTAP - Attach Reject (GPRS services not allowed) */ |
| 317 | static const unsigned char dtap_attach_rej7[] = { |
| 318 | 0x08, 0x04, 0x07 |
| 319 | }; |
| 320 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 321 | /* DTAP - GMM Information */ |
| 322 | static const unsigned char dtap_gmm_information[] = { |
| 323 | 0x08, 0x21 |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 324 | }; |
| 325 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 326 | /* DTAP - Routing Area Update Request */ |
| 327 | static const unsigned char dtap_ra_upd_req[] = { |
| 328 | 0x08, 0x08, 0x10, 0x11, 0x22, 0x33, 0x40, 0x50, |
| 329 | 0x60, 0x1d, 0x19, 0x13, 0x42, 0x33, 0x57, 0x2b, |
| 330 | 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, 0x50, 0xc8, |
| 331 | 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, 0x48, 0x02, |
| 332 | 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, 0x00, 0x19, |
| 333 | 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, 0x07, 0x04, |
| 334 | 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, 0x20, 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 335 | }; |
| 336 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 337 | /* DTAP - Routing Area Update Accept */ |
| 338 | static const unsigned char dtap_ra_upd_acc[] = { |
| 339 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 340 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 341 | 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x17, 0x16, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 342 | }; |
| 343 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 344 | /* DTAP - Routing Area Update Accept, P-TMSI 2 */ |
| 345 | static const unsigned char dtap_ra_upd_acc2[] = { |
| 346 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 347 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 348 | 0x05, 0xf4, 0xe0, 0x98, 0x76, 0x54, 0x17, 0x16, |
| 349 | }; |
| 350 | |
| 351 | /* DTAP - Routing Area Update Accept, P-TMSI 3 */ |
| 352 | static const unsigned char dtap_ra_upd_acc3[] = { |
| 353 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 354 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 355 | 0x05, 0xf4, 0xe0, 0x54, 0x32, 0x10, 0x17, 0x16, |
| 356 | }; |
| 357 | |
| 358 | /* DTAP - Routing Area Update Complete */ |
| 359 | static const unsigned char dtap_ra_upd_complete[] = { |
| 360 | 0x08, 0x0a |
| 361 | }; |
| 362 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 363 | /* DTAP - Routing Area Update Reject */ |
| 364 | /* cause = 10 ("Implicitly detached"), force_standby = 0 */ |
| 365 | static const unsigned char dtap_ra_upd_rej[] = { |
| 366 | 0x08, 0x0b, 0x0a, 0x00, |
| 367 | }; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 368 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 369 | /* DTAP - Activate PDP Context Request */ |
| 370 | static const unsigned char dtap_act_pdp_ctx_req[] = { |
| 371 | 0x0a, 0x41, 0x05, 0x03, 0x0c, 0x00, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 372 | 0x00, 0x1f, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 373 | 0x00, 0x00, 0x00, 0x02, 0x01, 0x21, 0x28, 0x03, |
| 374 | 0x02, 0x61, 0x62, 0x27, 0x14, 0x80, 0x80, 0x21, |
| 375 | 0x10, 0x01, 0x00, 0x00, 0x10, 0x81, 0x06, 0x00, |
| 376 | 0x00, 0x00, 0x00, 0x83, 0x06, 0x00, 0x00, 0x00, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 377 | 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 378 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 379 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 380 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 381 | /* normal detach, power_off = 1 */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 382 | static const unsigned char dtap_detach_po_req[] = { |
| 383 | 0x08, 0x05, 0x09, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 384 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 385 | }; |
| 386 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 387 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 388 | /* normal detach, power_off = 0 */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 389 | static const unsigned char dtap_detach_req[] = { |
| 390 | 0x08, 0x05, 0x01, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 391 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 392 | }; |
| 393 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 394 | /* DTAP - Detach Accept (MO) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 395 | static const unsigned char dtap_detach_acc[] = { |
| 396 | 0x08, 0x06, 0x00 |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 397 | }; |
| 398 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 399 | /* DTAP - Detach Request (MT) */ |
| 400 | /* normal detach, reattach required, implicitly detached */ |
| 401 | static const unsigned char dtap_mt_detach_rea_req[] = { |
| 402 | 0x08, 0x05, 0x01, 0x25, 0x0a |
| 403 | }; |
| 404 | |
| 405 | /* DTAP - Detach Request (MT) */ |
| 406 | /* normal detach, reattach not required, implicitly detached */ |
| 407 | static const unsigned char dtap_mt_detach_req[] = { |
| 408 | 0x08, 0x05, 0x02, 0x25, 0x0a |
| 409 | }; |
| 410 | |
| 411 | /* DTAP - Detach Accept (MT) */ |
| 412 | static const unsigned char dtap_mt_detach_acc[] = { |
| 413 | 0x08, 0x06 |
| 414 | }; |
| 415 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 416 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 417 | static const unsigned char llc_u_xid_ul[] = { |
| 418 | 0x41, 0xfb, 0x01, 0x00, 0x0e, 0x00, 0x64, 0x11, |
| 419 | 0x05, 0x16, 0x01, 0x90, 0x66, 0xb3, 0x28 |
| 420 | }; |
| 421 | |
| 422 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 423 | static const unsigned char llc_u_xid_dl[] = { |
| 424 | 0x41, 0xfb, 0x30, 0x84, 0x10, 0x61, 0xb6, 0x64, |
| 425 | 0xe4, 0xa9, 0x1a, 0x9e |
| 426 | }; |
| 427 | |
| 428 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 429 | static const unsigned char llc_ui_ll11_dns_query_ul[] = { |
| 430 | 0x0b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 431 | 0x00, 0x00, 0x38, 0x95, 0x72, 0x00, 0x00, 0x45, |
| 432 | 0x11, 0x20, 0x85, 0x0a, 0xc0, 0x07, 0xe4, 0xac, |
| 433 | 0x10, 0x01, 0x0a, 0xad, 0xab, 0x00, 0x35, 0x00, |
| 434 | 0x24, 0x0e, 0x1c, 0x3b, 0xe0, 0x01, 0x00, 0x00, |
| 435 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 436 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 437 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0x47, |
| 438 | 0x8f, 0x07 |
| 439 | }; |
| 440 | |
| 441 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 442 | static const unsigned char llc_ui_ll11_dns_resp_dl[] = { |
| 443 | 0x4b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 444 | 0x00, 0x00, 0xc6, 0x00, 0x00, 0x40, 0x00, 0x3e, |
| 445 | 0x11, 0x7c, 0x69, 0xac, 0x10, 0x01, 0x0a, 0x0a, |
| 446 | 0xc0, 0x07, 0xe4, 0x00, 0x35, 0xad, 0xab, 0x00, |
| 447 | 0xb2, 0x74, 0x4e, 0x3b, 0xe0, 0x81, 0x80, 0x00, |
| 448 | 0x01, 0x00, 0x01, 0x00, 0x05, 0x00, 0x00, 0x01, |
| 449 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 450 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0xc0, |
| 451 | 0x0c, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 452 | 0x10, 0x00, 0x04, 0xc1, 0x63, 0x90, 0x58, 0xc0, |
| 453 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 454 | 0x10, 0x00, 0x16, 0x03, 0x6e, 0x73, 0x32, 0x0c, |
| 455 | 0x70, 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, |
| 456 | 0x6f, 0x76, 0x65, 0x72, 0x03, 0x6e, 0x65, 0x74, |
| 457 | 0x00, 0xc0, 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, |
| 458 | 0x00, 0x0e, 0x10, 0x00, 0x10, 0x02, 0x6e, 0x73, |
| 459 | 0x01, 0x73, 0x08, 0x70, 0x6c, 0x75, 0x73, 0x6c, |
| 460 | 0x69, 0x6e, 0x65, 0xc0, 0x14, 0xc0, 0x0e, 0x00, |
| 461 | 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, 0x00, |
| 462 | 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x0e, 0xc0, 0x0e, |
| 463 | 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, |
| 464 | 0x00, 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x5f, 0xc0, |
| 465 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 466 | 0x10, 0x00, 0x12, 0x02, 0x6e, 0x73, 0x0c, 0x70, |
| 467 | 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, 0x6f, |
| 468 | 0x76, 0x65, 0x72, 0xc0, 0x14, 0xaa, 0xdf, 0x31 |
| 469 | }; |
| 470 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 471 | #define NS_ALLOC_HEADROOM 128 |
| 472 | #define NS_ALLOC_SIZE 3072 |
| 473 | static int gprs_ns2_callback(struct osmo_prim_hdr *oph, void *ctx); |
| 474 | static void send_ns_unitdata(struct gprs_ns2_inst *nsi, const char *text, |
| 475 | uint16_t nsei, uint16_t nsbvci, |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 476 | const unsigned char *bssgp_msg, size_t bssgp_msg_size) |
| 477 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 478 | struct msgb *msg; |
| 479 | struct osmo_gprs_ns2_prim nsp = {}; |
| 480 | nsp.nsei = nsei; |
| 481 | nsp.bvci = nsbvci; |
| 482 | //nsp.u.unitdata.change |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 483 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 484 | if (bssgp_msg_size > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) { |
| 485 | fprintf(stderr, "message too long: %zu\n", bssgp_msg_size); |
| 486 | return; |
| 487 | } |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 488 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 489 | msg = msgb_alloc_headroom(NS_ALLOC_SIZE, NS_ALLOC_HEADROOM, |
| 490 | "GPRS/NS"); |
| 491 | OSMO_ASSERT(msg); |
| 492 | memmove(msg->data, bssgp_msg, bssgp_msg_size); |
| 493 | msgb_bssgph(msg) = msg->data; |
| 494 | msg->l2h = msg->data; |
| 495 | msg->l3h = msg->data; |
| 496 | msgb_put(msg, bssgp_msg_size); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 497 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 498 | printf("PROCESSING %s from NSEI %d\n%s\n\n", |
| 499 | text, nsei, |
| 500 | osmo_hexdump(bssgp_msg, bssgp_msg_size)); |
| 501 | |
| 502 | |
| 503 | //gprs_process_message(nsi, text ? text : "UNITDATA", nsei, msg, bssgp_msg_size + 4); |
| 504 | osmo_prim_init(&nsp.oph, SAP_NS, PRIM_NS_UNIT_DATA, |
| 505 | PRIM_OP_INDICATION, msg); |
| 506 | |
| 507 | gprs_ns2_callback(&nsp.oph, &gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 508 | } |
| 509 | static int gbprox_test_bssgp_send_cb(void *ctx, struct msgb *msg); |
| 510 | |
| 511 | /* wrap */ |
| 512 | int gprs_ns2_recv_prim(struct gprs_ns2_inst *nsi, struct osmo_prim_hdr *oph) |
| 513 | { |
| 514 | struct osmo_gprs_ns2_prim *nsp; |
| 515 | |
| 516 | if (oph->sap != SAP_NS) |
| 517 | return 0; |
| 518 | |
| 519 | nsp = container_of(oph, struct osmo_gprs_ns2_prim, oph); |
| 520 | |
| 521 | if (oph->operation != PRIM_OP_REQUEST) { |
| 522 | LOGP(DPCU, LOGL_NOTICE, "NS: %s Unknown prim %d from NS\n", |
| 523 | get_value_string(osmo_prim_op_names, oph->operation), |
| 524 | oph->operation); |
| 525 | return 0; |
| 526 | } |
| 527 | |
| 528 | switch (oph->primitive) { |
| 529 | case PRIM_NS_UNIT_DATA: |
| 530 | /* hand the message into the BSSGP implementation */ |
| 531 | msgb_bssgph(oph->msg) = oph->msg->l3h; |
| 532 | msgb_bvci(oph->msg) = nsp->bvci; |
| 533 | msgb_nsei(oph->msg) = nsp->nsei; |
| 534 | printf("NS2 UD REQUEST, prim %d, msg length %zu, bvci 0x%04x\n%s\n\n", |
| 535 | oph->primitive, msgb_bssgp_len(oph->msg), nsp->bvci, |
| 536 | osmo_hexdump(msgb_l3(oph->msg), msgb_l3len(oph->msg))); |
| 537 | return gbprox_test_bssgp_send_cb(&gbcfg, oph->msg); |
| 538 | break; |
| 539 | default: |
| 540 | printf("NS2 REQUEST, prim %d, bvci 0x%04x\n\n", |
| 541 | oph->primitive, nsp->bvci); |
| 542 | |
| 543 | break; |
| 544 | } |
| 545 | return 0; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 546 | } |
| 547 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 548 | static void send_bssgp_ul_unitdata( |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 549 | struct gprs_ns2_inst *nsi, const char *text, |
| 550 | uint16_t nsei, uint16_t nsbvci, uint32_t tlli, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 551 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 552 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 553 | { |
| 554 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 555 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 556 | unsigned char msg[4096] = { |
| 557 | 0x01, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, |
| 558 | 0x08, 0x88, /* RAI */ 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 559 | /* CELL ID */ 0x00, 0x00, 0x00, 0x80, 0x0e, /* LLC LEN */ 0x00, 0x00, |
| 560 | }; |
| 561 | |
| 562 | size_t bssgp_msg_size = 23 + llc_msg_size; |
| 563 | |
| 564 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg)); |
| 565 | |
Max | 25c65c3 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 566 | gsm48_encode_ra((struct gsm48_ra_id *)(msg + 10), raid); |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 567 | msg[1] = (uint8_t)(tlli >> 24); |
| 568 | msg[2] = (uint8_t)(tlli >> 16); |
| 569 | msg[3] = (uint8_t)(tlli >> 8); |
| 570 | msg[4] = (uint8_t)(tlli >> 0); |
| 571 | msg[16] = cell_id / 256; |
| 572 | msg[17] = cell_id % 256; |
| 573 | msg[21] = llc_msg_size / 256; |
| 574 | msg[22] = llc_msg_size % 256; |
| 575 | memcpy(msg + 23, llc_msg, llc_msg_size); |
| 576 | |
| 577 | send_ns_unitdata(nsi, text ? text : "BSSGP UL UNITDATA", |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 578 | nsei, nsbvci, msg, bssgp_msg_size); |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 579 | } |
| 580 | |
| 581 | static void send_bssgp_dl_unitdata( |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 582 | struct gprs_ns2_inst *nsi, const char *text, |
| 583 | uint16_t nsei, uint16_t nsbvci, uint32_t tlli, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 584 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 585 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 586 | { |
| 587 | /* Base Station Subsystem GPRS Protocol: DL_UNITDATA */ |
| 588 | unsigned char msg[4096] = { |
| 589 | 0x00, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x20, |
| 590 | 0x16, 0x82, 0x02, 0x58, |
| 591 | }; |
| 592 | unsigned char racap_drx[] = { |
| 593 | 0x13, 0x99, 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, |
| 594 | 0x62, 0x00, 0x60, 0x80, 0x9a, 0xc2, 0xc6, 0x62, |
| 595 | 0x00, 0x60, 0x80, 0xba, 0xc8, 0xc6, 0x62, 0x00, |
| 596 | 0x60, 0x80, 0x00, 0x0a, 0x82, 0x08, 0x02 |
| 597 | }; |
| 598 | |
| 599 | size_t bssgp_msg_size = 0; |
| 600 | |
| 601 | OSMO_ASSERT(51 + imsi_size + llc_msg_size <= sizeof(msg)); |
| 602 | |
| 603 | msg[1] = (uint8_t)(tlli >> 24); |
| 604 | msg[2] = (uint8_t)(tlli >> 16); |
| 605 | msg[3] = (uint8_t)(tlli >> 8); |
| 606 | msg[4] = (uint8_t)(tlli >> 0); |
| 607 | |
| 608 | bssgp_msg_size = 12; |
| 609 | |
| 610 | if (with_racap_drx) { |
| 611 | memcpy(msg + bssgp_msg_size, racap_drx, sizeof(racap_drx)); |
| 612 | bssgp_msg_size += sizeof(racap_drx); |
| 613 | } |
| 614 | |
| 615 | if (imsi) { |
| 616 | OSMO_ASSERT(imsi_size <= 127); |
| 617 | msg[bssgp_msg_size] = BSSGP_IE_IMSI; |
| 618 | msg[bssgp_msg_size + 1] = 0x80 | imsi_size; |
| 619 | memcpy(msg + bssgp_msg_size + 2, imsi, imsi_size); |
| 620 | bssgp_msg_size += 2 + imsi_size; |
| 621 | } |
| 622 | |
| 623 | if ((bssgp_msg_size % 4) != 0) { |
| 624 | size_t abytes = (4 - (bssgp_msg_size + 2) % 4) % 4; |
| 625 | msg[bssgp_msg_size] = BSSGP_IE_ALIGNMENT; |
| 626 | msg[bssgp_msg_size + 1] = 0x80 | abytes; |
| 627 | memset(msg + bssgp_msg_size + 2, 0, abytes); |
| 628 | bssgp_msg_size += 2 + abytes; |
| 629 | } |
| 630 | |
| 631 | msg[bssgp_msg_size] = BSSGP_IE_LLC_PDU; |
| 632 | if (llc_msg_size < 128) { |
| 633 | msg[bssgp_msg_size + 1] = 0x80 | llc_msg_size; |
| 634 | bssgp_msg_size += 2; |
| 635 | } else { |
| 636 | msg[bssgp_msg_size + 1] = llc_msg_size / 256; |
| 637 | msg[bssgp_msg_size + 2] = llc_msg_size % 256; |
| 638 | bssgp_msg_size += 3; |
| 639 | } |
| 640 | memcpy(msg + bssgp_msg_size, llc_msg, llc_msg_size); |
| 641 | bssgp_msg_size += llc_msg_size; |
| 642 | |
| 643 | |
| 644 | send_ns_unitdata(nsi, text ? text : "BSSGP DL UNITDATA", |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 645 | nsei, nsbvci, msg, bssgp_msg_size); |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 646 | } |
| 647 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 648 | static void send_bssgp_reset(struct gprs_ns2_inst *nsi, |
| 649 | uint16_t nsei, uint16_t bvci) |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 650 | { |
| 651 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 652 | * BSSGP RESET */ |
Jacob Erlbeck | da4b492 | 2014-08-06 12:38:10 +0200 | [diff] [blame] | 653 | unsigned char msg[18] = { |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 654 | 0x22, 0x04, 0x82, 0x4a, |
Jacob Erlbeck | def0391 | 2014-06-02 10:48:59 +0200 | [diff] [blame] | 655 | 0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x11, 0x22, |
| 656 | 0x33, 0x40, 0x50, 0x60, 0x10, 0x00 |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 657 | }; |
| 658 | |
| 659 | msg[3] = bvci / 256; |
| 660 | msg[4] = bvci % 256; |
| 661 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 662 | send_ns_unitdata(nsi, "BVC_RESET", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 663 | } |
| 664 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 665 | static void send_bssgp_reset_ack(struct gprs_ns2_inst *nsi, |
| 666 | uint16_t nsei, uint16_t bvci) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 667 | { |
| 668 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 669 | * BSSGP RESET_ACK */ |
| 670 | static unsigned char msg[5] = { |
| 671 | 0x23, 0x04, 0x82, 0x00, |
| 672 | 0x00 |
| 673 | }; |
| 674 | |
| 675 | msg[3] = bvci / 256; |
| 676 | msg[4] = bvci % 256; |
| 677 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 678 | send_ns_unitdata(nsi, "BVC_RESET_ACK", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 679 | } |
| 680 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 681 | static void send_bssgp_suspend(struct gprs_ns2_inst *nsi, |
| 682 | uint16_t nsei, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 683 | uint32_t tlli, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 684 | struct gprs_ra_id *raid) |
| 685 | { |
| 686 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 687 | unsigned char msg[15] = { |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 688 | 0x0b, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 689 | 0x86, /* RAI */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 690 | }; |
| 691 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 692 | msg[3] = (uint8_t)(tlli >> 24); |
| 693 | msg[4] = (uint8_t)(tlli >> 16); |
| 694 | msg[5] = (uint8_t)(tlli >> 8); |
| 695 | msg[6] = (uint8_t)(tlli >> 0); |
| 696 | |
Max | 25c65c3 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 697 | gsm48_encode_ra((struct gsm48_ra_id *)(msg + 9), raid); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 698 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 699 | send_ns_unitdata(nsi, "BVC_SUSPEND", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 700 | } |
| 701 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 702 | static void send_bssgp_suspend_ack(struct gprs_ns2_inst *nsi, |
| 703 | uint16_t nsei, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 704 | uint32_t tlli, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 705 | struct gprs_ra_id *raid) |
| 706 | { |
| 707 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND ACK */ |
| 708 | unsigned char msg[18] = { |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 709 | 0x0c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 710 | 0x86, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1d, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 711 | 0x81, 0x01 |
| 712 | }; |
| 713 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 714 | msg[3] = (uint8_t)(tlli >> 24); |
| 715 | msg[4] = (uint8_t)(tlli >> 16); |
| 716 | msg[5] = (uint8_t)(tlli >> 8); |
| 717 | msg[6] = (uint8_t)(tlli >> 0); |
| 718 | |
Max | 25c65c3 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 719 | gsm48_encode_ra((struct gsm48_ra_id *)(msg + 9), raid); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 720 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 721 | send_ns_unitdata(nsi, "BVC_SUSPEND_ACK", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 722 | } |
| 723 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 724 | static void send_bssgp_llc_discarded(struct gprs_ns2_inst *nsi, |
| 725 | uint16_t nsei, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 726 | uint16_t bvci, uint32_t tlli, |
| 727 | unsigned n_frames, unsigned n_octets) |
| 728 | { |
| 729 | /* Base Station Subsystem GPRS Protocol: LLC-DISCARDED (0x2c) */ |
| 730 | unsigned char msg[] = { |
| 731 | 0x2c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x0f, |
| 732 | 0x81, /* n frames */ 0xff, 0x04, 0x82, /* BVCI */ 0xff, 0xff, 0x25, 0x83, |
| 733 | /* n octets */ 0xff, 0xff, 0xff |
| 734 | }; |
| 735 | |
| 736 | msg[3] = (uint8_t)(tlli >> 24); |
| 737 | msg[4] = (uint8_t)(tlli >> 16); |
| 738 | msg[5] = (uint8_t)(tlli >> 8); |
| 739 | msg[6] = (uint8_t)(tlli >> 0); |
| 740 | msg[9] = (uint8_t)(n_frames); |
| 741 | msg[12] = (uint8_t)(bvci >> 8); |
| 742 | msg[13] = (uint8_t)(bvci >> 0); |
| 743 | msg[16] = (uint8_t)(n_octets >> 16); |
| 744 | msg[17] = (uint8_t)(n_octets >> 8); |
| 745 | msg[18] = (uint8_t)(n_octets >> 0); |
| 746 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 747 | send_ns_unitdata(nsi, "LLC_DISCARDED", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 748 | } |
| 749 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 750 | static void send_bssgp_paging(struct gprs_ns2_inst *nsi, |
| 751 | uint16_t nsei, |
Jacob Erlbeck | c37ef6c | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 752 | const uint8_t *imsi, size_t imsi_size, |
| 753 | struct gprs_ra_id *raid, uint32_t ptmsi) |
| 754 | { |
| 755 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 756 | unsigned char msg[100] = { |
| 757 | 0x06, |
| 758 | }; |
| 759 | |
| 760 | const unsigned char drx_ie[] = {0x0a, 0x82, 0x07, 0x04}; |
| 761 | const unsigned char qos_ie[] = {0x18, 0x83, 0x00, 0x00, 0x00}; |
| 762 | |
| 763 | size_t bssgp_msg_size = 1; |
| 764 | |
| 765 | if (imsi) { |
| 766 | OSMO_ASSERT(imsi_size <= 127); |
| 767 | msg[bssgp_msg_size] = BSSGP_IE_IMSI; |
| 768 | msg[bssgp_msg_size + 1] = 0x80 | imsi_size; |
| 769 | memcpy(msg + bssgp_msg_size + 2, imsi, imsi_size); |
| 770 | bssgp_msg_size += 2 + imsi_size; |
| 771 | } |
| 772 | |
| 773 | memcpy(msg + bssgp_msg_size, drx_ie, sizeof(drx_ie)); |
| 774 | bssgp_msg_size += sizeof(drx_ie); |
| 775 | |
| 776 | if (raid) { |
| 777 | msg[bssgp_msg_size] = BSSGP_IE_ROUTEING_AREA; |
| 778 | msg[bssgp_msg_size+1] = 0x86; |
Max | 25c65c3 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 779 | gsm48_encode_ra((struct gsm48_ra_id *)(msg + bssgp_msg_size + 2), raid); |
Jacob Erlbeck | c37ef6c | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 780 | bssgp_msg_size += 8; |
| 781 | } |
| 782 | |
| 783 | memcpy(msg + bssgp_msg_size, qos_ie, sizeof(qos_ie)); |
| 784 | bssgp_msg_size += sizeof(qos_ie); |
| 785 | |
| 786 | if (ptmsi != GSM_RESERVED_TMSI) { |
| 787 | const uint32_t ptmsi_be = htonl(ptmsi); |
| 788 | msg[bssgp_msg_size] = BSSGP_IE_TMSI; |
| 789 | msg[bssgp_msg_size+1] = 0x84; |
| 790 | memcpy(msg + bssgp_msg_size + 2, &ptmsi_be, 4); |
| 791 | bssgp_msg_size += 6; |
| 792 | } |
| 793 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 794 | send_ns_unitdata(nsi, "PAGING_PS", nsei, 0, msg, bssgp_msg_size); |
Jacob Erlbeck | c37ef6c | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 795 | } |
| 796 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 797 | static void send_bssgp_flow_control_bvc(struct gprs_ns2_inst *nsi, |
| 798 | uint16_t nsei, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 799 | uint16_t bvci, uint8_t tag) |
| 800 | { |
| 801 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 802 | * BSSGP FLOW_CONTROL_BVC */ |
| 803 | unsigned char msg[] = { |
| 804 | 0x26, 0x1e, 0x81, /* Tag */ 0xff, 0x05, 0x82, 0x01, 0xdc, |
| 805 | 0x03, 0x82, 0x02, 0x76, 0x01, 0x82, 0x00, 0x50, |
| 806 | 0x1c, 0x82, 0x02, 0x58, 0x06, 0x82, 0x00, 0x03 |
| 807 | }; |
| 808 | |
| 809 | msg[3] = tag; |
| 810 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 811 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC", nsei, bvci, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 812 | msg, sizeof(msg)); |
| 813 | } |
| 814 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 815 | static void send_bssgp_flow_control_bvc_ack(struct gprs_ns2_inst *nsi, |
| 816 | uint16_t nsei, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 817 | uint16_t bvci, uint8_t tag) |
| 818 | { |
| 819 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 820 | * BSSGP FLOW_CONTROL_BVC_ACK */ |
| 821 | unsigned char msg[] = { |
| 822 | 0x27, 0x1e, 0x81, /* Tag */ 0xce |
| 823 | }; |
| 824 | |
| 825 | msg[3] = tag; |
| 826 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 827 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC_ACK", nsei, bvci, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 828 | msg, sizeof(msg)); |
| 829 | } |
| 830 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 831 | static void send_llc_ul_ui( |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 832 | struct gprs_ns2_inst *nsi, const char *text, |
| 833 | uint16_t nsei, uint16_t nsbvci, uint32_t tlli, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 834 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 835 | unsigned sapi, unsigned nu, |
| 836 | const uint8_t *msg, size_t msg_size) |
| 837 | { |
| 838 | unsigned char llc_msg[4096] = { |
| 839 | 0x00, 0xc0, 0x01 |
| 840 | }; |
| 841 | |
| 842 | size_t llc_msg_size = 3 + msg_size + 3; |
| 843 | uint8_t e_bit = 0; |
| 844 | uint8_t pm_bit = 1; |
| 845 | unsigned fcs; |
| 846 | |
| 847 | nu &= 0x01ff; |
| 848 | |
| 849 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 850 | |
| 851 | llc_msg[0] = (sapi & 0x0f); |
| 852 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 853 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 854 | |
| 855 | memcpy(llc_msg + 3, msg, msg_size); |
| 856 | |
| 857 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 858 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 859 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 860 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 861 | |
| 862 | send_bssgp_ul_unitdata(nsi, text ? text : "LLC UI", |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 863 | nsei, nsbvci, tlli, raid, cell_id, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 864 | llc_msg, llc_msg_size); |
| 865 | } |
| 866 | |
| 867 | static void send_llc_dl_ui( |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 868 | struct gprs_ns2_inst *nsi, const char *text, |
| 869 | uint16_t nsei, uint16_t nsbvci, uint32_t tlli, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 870 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 871 | unsigned sapi, unsigned nu, |
| 872 | const uint8_t *msg, size_t msg_size) |
| 873 | { |
| 874 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 875 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 876 | unsigned char llc_msg[4096] = { |
| 877 | 0x00, 0x00, 0x01 |
| 878 | }; |
| 879 | |
| 880 | size_t llc_msg_size = 3 + msg_size + 3; |
| 881 | uint8_t e_bit = 0; |
| 882 | uint8_t pm_bit = 1; |
| 883 | unsigned fcs; |
| 884 | |
| 885 | nu &= 0x01ff; |
| 886 | |
| 887 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 888 | |
| 889 | llc_msg[0] = 0x40 | (sapi & 0x0f); |
| 890 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 891 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 892 | |
| 893 | memcpy(llc_msg + 3, msg, msg_size); |
| 894 | |
| 895 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 896 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 897 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 898 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 899 | |
| 900 | send_bssgp_dl_unitdata(nsi, text ? text : "LLC UI", |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 901 | nsei, nsbvci, tlli, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 902 | with_racap_drx, imsi, imsi_size, |
| 903 | llc_msg, llc_msg_size); |
| 904 | } |
| 905 | |
| 906 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 907 | /* STATUS indications */ |
| 908 | static void send_ns_avail(struct gprs_ns2_inst *nsi, |
| 909 | uint16_t sgsn_nsei) |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 910 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 911 | struct osmo_gprs_ns2_prim nsp = {}; |
| 912 | nsp.nsei = sgsn_nsei; |
| 913 | nsp.bvci = 0; |
| 914 | nsp.u.status.cause = NS_AFF_CAUSE_RECOVERY; |
| 915 | nsp.u.status.transfer = -1; |
| 916 | nsp.u.status.first = true; |
| 917 | osmo_prim_init(&nsp.oph, SAP_NS, PRIM_NS_STATUS, |
| 918 | PRIM_OP_INDICATION, NULL); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 919 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 920 | gprs_ns2_callback(&nsp.oph, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 921 | } |
| 922 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 923 | static void setup_ns(struct gprs_ns2_inst *nsi, |
| 924 | uint16_t nsei) |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 925 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 926 | printf("Setup NS-VC: " |
| 927 | "NSEI 0x%04x(%d)\n\n", |
| 928 | nsei, nsei); |
| 929 | send_ns_avail(nsi, nsei); |
| 930 | } |
| 931 | |
| 932 | static void setup_bssgp(struct gprs_ns2_inst *nsi, |
| 933 | uint16_t nsei, uint16_t bvci) |
| 934 | { |
| 935 | printf("Setup BSSGP: " |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 936 | "BVCI 0x%04x(%d)\n\n", |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 937 | bvci, bvci); |
| 938 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 939 | send_bssgp_reset(nsi, nsei, bvci); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 940 | } |
| 941 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 942 | static void connect_sgsn(struct gprs_ns2_inst *nsi, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 943 | uint32_t sgsn_nsei) |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 944 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 945 | send_ns_avail(nsi, sgsn_nsei); |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 946 | } |
| 947 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 948 | /* Function used to send a BSSGP message through NS */ |
| 949 | static int gbprox_test_bssgp_send_cb(void *ctx, struct msgb *msg) |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 950 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 951 | int rc; |
| 952 | struct gbproxy_config *cfg = (struct gbproxy_config *) ctx; |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 953 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 954 | uint16_t nsei = msgb_nsei(msg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 955 | uint16_t bvci = msgb_bvci(msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 956 | |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 957 | if (received_messages) { |
| 958 | struct msgb *msg_copy; |
Pau Espin Pedrol | 816a67d | 2018-08-15 13:53:48 +0200 | [diff] [blame] | 959 | msg_copy = bssgp_msgb_copy(msg, "received_messages"); |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 960 | llist_add_tail(&msg_copy->list, received_messages); |
| 961 | } |
| 962 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 963 | if (nsei == cfg->nsip_sgsn_nsei) |
| 964 | printf("Message for SGSN"); |
| 965 | else if (nsei == cfg->nsip_sgsn2_nsei) |
| 966 | printf("Message for SGSN2"); |
| 967 | else |
| 968 | printf("Message for BSS"); |
| 969 | printf(" (NSEI=%d BVCI=%d):\n%s\n\n", nsei, bvci, msgb_hexdump(msg)); |
| 970 | |
| 971 | rc = msgb_length(msg); |
| 972 | msgb_free(msg); |
| 973 | |
| 974 | return rc; |
| 975 | } |
| 976 | |
| 977 | static void gprs_ns2_test_prim_status_cb(struct gbproxy_config *cfg, struct osmo_gprs_ns2_prim *nsp) |
| 978 | { |
| 979 | enum gprs_ns2_affecting_cause cause = nsp->u.status.cause; |
| 980 | |
| 981 | switch (cause) { |
| 982 | case NS_AFF_CAUSE_RECOVERY: |
| 983 | LOGP(DPCU, LOGL_NOTICE, "NS-NSE %d became available\n", nsp->nsei); |
| 984 | break; |
| 985 | case NS_AFF_CAUSE_FAILURE: |
| 986 | LOGP(DPCU, LOGL_NOTICE, "NS-NSE %d became unavailable\n", nsp->nsei); |
| 987 | break; |
| 988 | case NS_AFF_CAUSE_VC_RECOVERY: |
| 989 | LOGP(DPCU, LOGL_NOTICE, "NS-NSE %d NS-VC %s became available\n", nsp->nsei, nsp->u.status.nsvc); |
| 990 | break; |
| 991 | case NS_AFF_CAUSE_VC_FAILURE: |
| 992 | LOGP(DPCU, LOGL_NOTICE, "NS-NSE %d NS-VC %s became unavailable\n", nsp->nsei, nsp->u.status.nsvc); |
| 993 | break; |
| 994 | default: |
| 995 | LOGP(DPCU, LOGL_NOTICE, "Unhandled status %d (NS-NSE %d)\n", cause, nsp->nsei); |
| 996 | break; |
| 997 | } |
| 998 | } |
| 999 | |
| 1000 | int gprs_ns2_prim_cb(struct osmo_prim_hdr *oph, void *ctx); |
| 1001 | |
| 1002 | /* override */ |
| 1003 | static int gprs_ns2_callback(struct osmo_prim_hdr *oph, void *ctx) |
| 1004 | { |
| 1005 | struct osmo_gprs_ns2_prim *nsp; |
| 1006 | struct gbproxy_config *cfg = (struct gbproxy_config *) ctx; |
| 1007 | |
| 1008 | if (oph->sap != SAP_NS) |
| 1009 | return 0; |
| 1010 | |
| 1011 | nsp = container_of(oph, struct osmo_gprs_ns2_prim, oph); |
| 1012 | |
| 1013 | if (oph->operation != PRIM_OP_INDICATION) { |
| 1014 | LOGP(DPCU, LOGL_NOTICE, "NS: %s Unknown prim %d from NS\n", |
| 1015 | get_value_string(osmo_prim_op_names, oph->operation), |
| 1016 | oph->operation); |
| 1017 | return 0; |
| 1018 | } |
| 1019 | |
| 1020 | switch (oph->primitive) { |
| 1021 | case PRIM_NS_UNIT_DATA: |
| 1022 | /* hand the message into the BSSGP implementation */ |
| 1023 | msgb_bssgph(oph->msg) = oph->msg->l3h; |
| 1024 | msgb_bvci(oph->msg) = nsp->bvci; |
| 1025 | msgb_nsei(oph->msg) = nsp->nsei; |
| 1026 | printf("NS2 CALLBACK, prim %d, msg length %zu, bvci 0x%04x\n%s\n\n", |
| 1027 | oph->primitive, msgb_bssgp_len(oph->msg), nsp->bvci, |
| 1028 | osmo_hexdump(msgb_l2(oph->msg), msgb_l2len(oph->msg))); |
| 1029 | break; |
| 1030 | case PRIM_NS_STATUS: |
| 1031 | gprs_ns2_test_prim_status_cb(cfg, nsp); |
| 1032 | default: |
| 1033 | printf("NS2 CALLBACK, prim %d, bvci 0x%04x\n\n", |
| 1034 | oph->primitive, nsp->bvci); |
| 1035 | |
| 1036 | break; |
| 1037 | } |
| 1038 | |
Daniel Willmann | 02f2c34 | 2020-11-04 17:32:56 +0100 | [diff] [blame] | 1039 | /* Hand off to gbproxy which will free the msg */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1040 | return gprs_ns2_prim_cb(oph, ctx); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1041 | } |
| 1042 | |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 1043 | /* Get the next message from the receive FIFO |
| 1044 | * |
| 1045 | * \returns a pointer to the message which will be invalidated at the next call |
| 1046 | * to expect_msg. Returns NULL, if there is no message left. |
| 1047 | */ |
| 1048 | static struct msgb *expect_msg(void) |
| 1049 | { |
| 1050 | static struct msgb *msg = NULL; |
| 1051 | |
| 1052 | msgb_free(msg); |
| 1053 | msg = NULL; |
| 1054 | |
| 1055 | if (!received_messages) |
| 1056 | return NULL; |
| 1057 | |
| 1058 | if (llist_empty(received_messages)) |
| 1059 | return NULL; |
| 1060 | |
| 1061 | msg = llist_entry(received_messages->next, struct msgb, list); |
| 1062 | llist_del(&msg->list); |
| 1063 | |
| 1064 | return msg; |
| 1065 | } |
| 1066 | |
| 1067 | struct expect_result { |
| 1068 | struct msgb *msg; |
| 1069 | struct gprs_gb_parse_context parse_ctx; |
| 1070 | }; |
| 1071 | |
| 1072 | static struct expect_result *expect_bssgp_msg( |
| 1073 | int match_nsei, int match_bvci, int match_pdu_type) |
| 1074 | { |
| 1075 | static struct expect_result result; |
| 1076 | static const struct expect_result empty_result = {0,}; |
| 1077 | static struct msgb *msg; |
| 1078 | uint16_t nsei; |
| 1079 | int rc; |
| 1080 | |
| 1081 | memcpy(&result, &empty_result, sizeof(result)); |
| 1082 | |
| 1083 | msg = expect_msg(); |
| 1084 | if (!msg) |
| 1085 | return NULL; |
| 1086 | |
| 1087 | nsei = msgb_nsei(msg); |
| 1088 | |
| 1089 | if (match_nsei != MATCH_ANY && match_nsei != nsei) { |
| 1090 | fprintf(stderr, "%s: NSEI mismatch (expected %u, got %u)\n", |
| 1091 | __func__, match_nsei, nsei); |
| 1092 | return NULL; |
| 1093 | } |
| 1094 | |
| 1095 | if (match_bvci != MATCH_ANY && match_bvci != msgb_bvci(msg)) { |
| 1096 | fprintf(stderr, "%s: BVCI mismatch (expected %u, got %u)\n", |
| 1097 | __func__, match_bvci, msgb_bvci(msg)); |
| 1098 | return NULL; |
| 1099 | } |
| 1100 | |
| 1101 | result.msg = msg; |
| 1102 | |
| 1103 | result.parse_ctx.to_bss = nsei != SGSN_NSEI && nsei != SGSN2_NSEI; |
| 1104 | result.parse_ctx.peer_nsei = nsei; |
| 1105 | |
| 1106 | if (!msgb_bssgph(msg)) { |
| 1107 | fprintf(stderr, "%s: Expected BSSGP\n", __func__); |
| 1108 | return NULL; |
| 1109 | } |
| 1110 | |
| 1111 | rc = gprs_gb_parse_bssgp(msgb_bssgph(msg), msgb_bssgp_len(msg), |
| 1112 | &result.parse_ctx); |
| 1113 | |
| 1114 | if (!rc) { |
| 1115 | fprintf(stderr, "%s: Failed to parse message\n", __func__); |
| 1116 | return NULL; |
| 1117 | } |
| 1118 | |
| 1119 | if (match_pdu_type != MATCH_ANY && |
| 1120 | match_pdu_type != result.parse_ctx.pdu_type) { |
| 1121 | fprintf(stderr, "%s: PDU type mismatch (expected %u, got %u)\n", |
| 1122 | __func__, match_pdu_type, result.parse_ctx.pdu_type); |
| 1123 | return NULL; |
| 1124 | } |
| 1125 | |
| 1126 | return &result; |
| 1127 | } |
| 1128 | |
| 1129 | static struct expect_result *expect_llc_msg( |
| 1130 | int match_nsei, int match_bvci, int match_sapi, int match_type) |
| 1131 | { |
| 1132 | static struct expect_result *result; |
| 1133 | |
| 1134 | result = expect_bssgp_msg(match_nsei, match_bvci, MATCH_ANY); |
| 1135 | if (!result) |
| 1136 | return NULL; |
| 1137 | |
| 1138 | if (!result->parse_ctx.llc) { |
| 1139 | fprintf(stderr, "%s: Expected LLC message\n", __func__); |
| 1140 | return NULL; |
| 1141 | } |
| 1142 | |
| 1143 | if (match_sapi != MATCH_ANY && |
| 1144 | match_sapi != result->parse_ctx.llc_hdr_parsed.sapi) { |
| 1145 | fprintf(stderr, "%s: LLC SAPI mismatch (expected %u, got %u)\n", |
| 1146 | __func__, match_sapi, result->parse_ctx.llc_hdr_parsed.sapi); |
| 1147 | return NULL; |
| 1148 | } |
| 1149 | |
| 1150 | if (match_type != MATCH_ANY && |
| 1151 | match_type != result->parse_ctx.llc_hdr_parsed.cmd) { |
| 1152 | fprintf(stderr, |
| 1153 | "%s: LLC command/type mismatch (expected %u, got %u)\n", |
| 1154 | __func__, match_type, result->parse_ctx.llc_hdr_parsed.cmd); |
| 1155 | return NULL; |
| 1156 | } |
| 1157 | |
| 1158 | return result; |
| 1159 | } |
| 1160 | |
| 1161 | static struct expect_result *expect_gmm_msg(int match_nsei, int match_bvci, |
| 1162 | int match_type) |
| 1163 | { |
| 1164 | static struct expect_result *result; |
| 1165 | |
| 1166 | result = expect_llc_msg(match_nsei, match_bvci, GPRS_SAPI_GMM, GPRS_LLC_UI); |
| 1167 | if (!result) |
| 1168 | return NULL; |
| 1169 | |
| 1170 | if (!result->parse_ctx.g48_hdr) { |
| 1171 | fprintf(stderr, "%s: Expected GSM 04.08 message\n", __func__); |
| 1172 | return NULL; |
| 1173 | } |
| 1174 | |
| 1175 | if (match_type != MATCH_ANY && |
| 1176 | match_type != result->parse_ctx.g48_hdr->msg_type) { |
| 1177 | fprintf(stderr, |
| 1178 | "%s: GSM 04.08 message type mismatch (expected %u, got %u)\n", |
| 1179 | __func__, match_type, result->parse_ctx.g48_hdr->msg_type); |
| 1180 | return NULL; |
| 1181 | } |
| 1182 | |
| 1183 | return result; |
| 1184 | } |
| 1185 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1186 | static void test_gbproxy() |
| 1187 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1188 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
| 1189 | uint16_t bss_nsei[2] = {0x1000, 0x2000}; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1190 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1191 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1192 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1193 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1194 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1195 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1196 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1197 | printf("--- Initialise SGSN ---\n\n"); |
| 1198 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1199 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1200 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1201 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1202 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1203 | setup_ns(nsi, bss_nsei[0]); |
| 1204 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1205 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1206 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1207 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1208 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1209 | printf("--- Initialise BSS 2 ---\n\n"); |
| 1210 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1211 | setup_ns(nsi, bss_nsei[1]); |
| 1212 | setup_bssgp(nsi, bss_nsei[1], 0x2002); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1213 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1214 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1215 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x2002); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1216 | |
| 1217 | printf("--- Reset BSS 1 with a new BVCI ---\n\n"); |
| 1218 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1219 | setup_bssgp(nsi, bss_nsei[0], 0x1012); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1220 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1221 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1222 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1012); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1223 | |
| 1224 | printf("--- Reset BSS 1 with the old BVCI ---\n\n"); |
| 1225 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1226 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1227 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1228 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1229 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1230 | |
| 1231 | printf("--- Reset BSS 1 with the old BVCI again ---\n\n"); |
| 1232 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1233 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1234 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1235 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1236 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1237 | |
| 1238 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1012 ---\n\n"); |
| 1239 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1240 | send_ns_unitdata(nsi, NULL, bss_nsei[0], 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1241 | |
| 1242 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1012 ---\n\n"); |
| 1243 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1244 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1245 | |
| 1246 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1247 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1248 | send_ns_unitdata(nsi, NULL, bss_nsei[0], 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1249 | |
| 1250 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1251 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1252 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1253 | |
| 1254 | printf("--- Send message from BSS 2 to SGSN, BVCI 0x2002 ---\n\n"); |
| 1255 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1256 | send_ns_unitdata(nsi, NULL, bss_nsei[0], 0x2002, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1257 | |
| 1258 | printf("--- Send message from SGSN to BSS 2, BVCI 0x2002 ---\n\n"); |
| 1259 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1260 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x2002, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1261 | |
| 1262 | printf("--- Reset BSS 1 with the old BVCI on BSS2's link ---\n\n"); |
| 1263 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1264 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1265 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1266 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1267 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1268 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1269 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1270 | |
| 1271 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1272 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1273 | send_ns_unitdata(nsi, NULL, bss_nsei[0], 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1274 | |
| 1275 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1276 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1277 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1278 | |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1279 | printf("--- Send message from SGSN to BSS 1, BVCI 0x10ff (invalid) ---\n\n"); |
| 1280 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1281 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x10ff, (uint8_t *)"", 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1282 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1283 | /* Find peer */ |
| 1284 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0xeeee) == NULL); |
| 1285 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0x1000) == NULL); |
| 1286 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0x1012) != NULL); |
| 1287 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0xeeee) == NULL); |
| 1288 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0x1012) == NULL); |
| 1289 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0x1000) != NULL); |
| 1290 | |
| 1291 | |
| 1292 | /* Cleanup */ |
| 1293 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0, 0) == 0); |
| 1294 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0xeeee) == 0); |
| 1295 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0, 0x1002) == 0); |
| 1296 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0x1012) == 1); |
| 1297 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0x1012) == 0); |
| 1298 | |
| 1299 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1300 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1301 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1302 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1303 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1304 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1305 | nsi = NULL; |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1306 | } |
| 1307 | |
| 1308 | static void test_gbproxy_ident_changes() |
| 1309 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1310 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
| 1311 | uint16_t bss_nsei[2] = {0x1000, 0x2000}; |
Daniel Willmann | f7a1aed | 2020-11-30 15:15:23 +0100 | [diff] [blame^] | 1312 | uint16_t bvci[4] = {0x1002, 0x2002, 0x3002}; |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1313 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1314 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1315 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1316 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1317 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1318 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1319 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1320 | printf("--- Initialise SGSN ---\n\n"); |
| 1321 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1322 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1323 | |
| 1324 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1325 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1326 | setup_ns(nsi, bss_nsei[0]); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1327 | |
| 1328 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1329 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1330 | setup_bssgp(nsi, bss_nsei[0], bvci[0]); |
| 1331 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1332 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1333 | |
| 1334 | printf("--- Setup BVCI 2 ---\n\n"); |
| 1335 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1336 | setup_bssgp(nsi, bss_nsei[0], bvci[1]); |
| 1337 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[1]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1338 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1339 | |
| 1340 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1341 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1342 | send_ns_unitdata(nsi, NULL, bss_nsei[0], bvci[0], (uint8_t *)"", 0); |
| 1343 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[0], (uint8_t *)"", 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1344 | |
| 1345 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 ---\n\n"); |
| 1346 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1347 | send_ns_unitdata(nsi, NULL, bss_nsei[0], bvci[1], (uint8_t *)"", 0); |
| 1348 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1349 | |
| 1350 | printf("--- Change NSEI ---\n\n"); |
| 1351 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1352 | setup_ns(nsi, bss_nsei[1]); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1353 | |
| 1354 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1355 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1356 | setup_bssgp(nsi, bss_nsei[1], bvci[0]); |
| 1357 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1358 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1359 | |
| 1360 | printf("--- Setup BVCI 3 ---\n\n"); |
| 1361 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1362 | setup_bssgp(nsi, bss_nsei[1], bvci[2]); |
| 1363 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[2]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1364 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1365 | |
| 1366 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1367 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1368 | send_ns_unitdata(nsi, NULL, bss_nsei[1], bvci[0], (uint8_t *)"", 0); |
| 1369 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[0], (uint8_t *)"", 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1370 | |
| 1371 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1372 | " (should fail) ---\n\n"); |
| 1373 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1374 | send_ns_unitdata(nsi, NULL, bss_nsei[1], bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1375 | dump_peers(stdout, 0, 0, &gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1376 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1377 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1378 | |
| 1379 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1380 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1381 | send_ns_unitdata(nsi, NULL, bss_nsei[0], bvci[2], (uint8_t *)"", 0); |
| 1382 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[2], (uint8_t *)"", 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1383 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1384 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1385 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1386 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1387 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1388 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1389 | nsi = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1390 | } |
| 1391 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1392 | static void test_gbproxy_ra_patching() |
| 1393 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1394 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1395 | struct gprs_ra_id rai_bss = |
| 1396 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1397 | struct gprs_ra_id rai_sgsn = |
| 1398 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 1399 | struct gprs_ra_id rai_unknown = |
| 1400 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1401 | uint16_t cell_id = 0x7530; |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1402 | const char *err_msg = NULL; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1403 | const uint32_t ptmsi = 0xefe2b700; |
| 1404 | const uint32_t local_tlli = 0xefe2b700; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1405 | const uint32_t foreign_tlli = 0xbbc54679; |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1406 | const uint32_t foreign_tlli2 = 0xbb00beef; |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 1407 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 1408 | const char *patch_re = "^9898|^121314"; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1409 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1410 | struct gbproxy_peer *peer; |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1411 | LLIST_HEAD(rcv_list); |
Jacob Erlbeck | c79beec | 2014-10-10 09:48:12 +0200 | [diff] [blame] | 1412 | struct expect_result *expect_res; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1413 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1414 | uint16_t bss_nsei[1] = { 0x1000 }; |
| 1415 | |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1416 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1417 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1418 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1419 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 1420 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 1421 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Holger Hans Peter Freyther | ce1b22e | 2014-08-04 14:22:13 +0200 | [diff] [blame] | 1422 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1423 | gbcfg.patch_ptmsi = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1424 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1425 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1426 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 1427 | if (gbproxy_set_patch_filter(&gbcfg.matches[GBPROX_MATCH_PATCHING], |
| 1428 | patch_re, &err_msg) != 0) { |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1429 | fprintf(stderr, "Failed to compile RE '%s': %s\n", |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 1430 | patch_re, err_msg); |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1431 | exit(1); |
| 1432 | } |
| 1433 | |
| 1434 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1435 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1436 | printf("--- Initialise SGSN ---\n\n"); |
| 1437 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1438 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1439 | |
| 1440 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1441 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1442 | setup_ns(nsi, bss_nsei[0]); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1443 | |
| 1444 | received_messages = &rcv_list; |
| 1445 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1446 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1447 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1448 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 1449 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1450 | OSMO_ASSERT(peer != NULL); |
| 1451 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1452 | OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_BVC_RESET)); |
| 1453 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1454 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1455 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1456 | OSMO_ASSERT(expect_bssgp_msg(0x1000, 0, BSSGP_PDUT_BVC_RESET_ACK)); |
| 1457 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1458 | send_bssgp_suspend(nsi, bss_nsei[0], 0xccd1758b, &rai_bss); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1459 | |
| 1460 | OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_SUSPEND)); |
| 1461 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1462 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, 0xccd1758b, &rai_sgsn); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1463 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1464 | OSMO_ASSERT(expect_bssgp_msg(0x1000, 0, BSSGP_PDUT_SUSPEND_ACK)); |
| 1465 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1466 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1467 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1468 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1469 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1470 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1471 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1472 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1473 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1474 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1475 | foreign_tlli, &rai_bss, cell_id, |
| 1476 | GPRS_SAPI_GMM, 0, |
| 1477 | dtap_attach_req, sizeof(dtap_attach_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1478 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1479 | OSMO_ASSERT(4 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1480 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1481 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1482 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1483 | foreign_tlli, 0, NULL, 0, |
| 1484 | GPRS_SAPI_GMM, 0, |
| 1485 | dtap_identity_req, sizeof(dtap_identity_req)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1486 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1487 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 1488 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1489 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1490 | foreign_tlli, &rai_bss, cell_id, |
| 1491 | GPRS_SAPI_GMM, 3, |
| 1492 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1493 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1494 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ID_RESP)); |
| 1495 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1496 | OSMO_ASSERT(5 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1497 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1498 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1499 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1500 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1501 | GPRS_SAPI_GMM, 1, |
| 1502 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1503 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1504 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 1505 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1506 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1507 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1508 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1509 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1510 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1511 | |
| 1512 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1513 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1514 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1515 | |
| 1516 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1517 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_sgsn)) != NULL); |
| 1518 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1519 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1520 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1521 | OSMO_ASSERT(link_info); |
| 1522 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1523 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1524 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1525 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1526 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1527 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1528 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 1529 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1530 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1531 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1532 | local_tlli, &rai_bss, cell_id, |
| 1533 | GPRS_SAPI_GMM, 4, |
| 1534 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1535 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1536 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 1537 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1538 | OSMO_ASSERT(6 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1539 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1540 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1541 | OSMO_ASSERT(link_info); |
| 1542 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1543 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1544 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1545 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1546 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1547 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1548 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1549 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1550 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1551 | /* Replace APN (1) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1552 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1553 | local_tlli, &rai_bss, cell_id, |
| 1554 | GPRS_SAPI_GMM, 3, |
| 1555 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1556 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1557 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1558 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1559 | OSMO_ASSERT(7 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1560 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1561 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1562 | OSMO_ASSERT(link_info); |
| 1563 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1564 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1565 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1566 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1567 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1568 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1569 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1570 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1571 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1572 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1573 | local_tlli, 1, imsi, sizeof(imsi), |
| 1574 | GPRS_SAPI_GMM, 2, |
| 1575 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 1576 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1577 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 1578 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1579 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1580 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1581 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1582 | OSMO_ASSERT(link_info); |
| 1583 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1584 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1585 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
| 1586 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1587 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1588 | /* Replace APN (2) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1589 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1590 | local_tlli, &rai_bss, cell_id, |
| 1591 | GPRS_SAPI_GMM, 3, |
| 1592 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1593 | |
Jacob Erlbeck | c79beec | 2014-10-10 09:48:12 +0200 | [diff] [blame] | 1594 | expect_res = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ); |
| 1595 | OSMO_ASSERT(expect_res != NULL); |
| 1596 | OSMO_ASSERT(expect_res->parse_ctx.apn_ie_len == gbcfg.core_apn_size + 2); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1597 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1598 | OSMO_ASSERT(8 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1599 | |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1600 | gbcfg.core_apn[0] = 0; |
| 1601 | gbcfg.core_apn_size = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1602 | |
| 1603 | /* Remove APN */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1604 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1605 | local_tlli, &rai_bss, cell_id, |
| 1606 | GPRS_SAPI_GMM, 3, |
| 1607 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1608 | |
Jacob Erlbeck | c79beec | 2014-10-10 09:48:12 +0200 | [diff] [blame] | 1609 | expect_res = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ); |
| 1610 | OSMO_ASSERT(expect_res != NULL); |
| 1611 | OSMO_ASSERT(expect_res->parse_ctx.apn_ie_len == 0); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1612 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1613 | OSMO_ASSERT(9 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1614 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1615 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1616 | |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1617 | /* Detach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1618 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1619 | local_tlli, &rai_bss, cell_id, |
| 1620 | GPRS_SAPI_GMM, 6, |
| 1621 | dtap_detach_req, sizeof(dtap_detach_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1622 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1623 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 1624 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1625 | OSMO_ASSERT(10 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1626 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1627 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1628 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1629 | local_tlli, 1, imsi, sizeof(imsi), |
| 1630 | GPRS_SAPI_GMM, 5, |
| 1631 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1632 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1633 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 1634 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1635 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1636 | |
| 1637 | printf("--- RA update ---\n\n"); |
| 1638 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1639 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1640 | foreign_tlli, &rai_bss, 0x7080, |
| 1641 | GPRS_SAPI_GMM, 5, |
| 1642 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1643 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1644 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_RA_UPD_REQ)); |
| 1645 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1646 | OSMO_ASSERT(12 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1647 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1648 | send_llc_dl_ui(nsi, "RA UPD ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1649 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1650 | GPRS_SAPI_GMM, 6, |
| 1651 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1652 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1653 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_RA_UPD_ACK)); |
| 1654 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1655 | OSMO_ASSERT(3 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1656 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1657 | /* Remove APN */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1658 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1659 | local_tlli, &rai_bss, cell_id, |
| 1660 | GPRS_SAPI_GMM, 3, |
| 1661 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1662 | |
Jacob Erlbeck | c79beec | 2014-10-10 09:48:12 +0200 | [diff] [blame] | 1663 | expect_res = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ); |
| 1664 | OSMO_ASSERT(expect_res != NULL); |
| 1665 | OSMO_ASSERT(expect_res->parse_ctx.apn_ie_len == 0); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1666 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1667 | OSMO_ASSERT(13 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1668 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1669 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1670 | |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 1671 | /* Detach (power off -> no Detach Accept) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1672 | send_llc_ul_ui(nsi, "DETACH REQ (PWR OFF)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1673 | local_tlli, &rai_bss, cell_id, |
| 1674 | GPRS_SAPI_GMM, 6, |
| 1675 | dtap_detach_po_req, sizeof(dtap_detach_po_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1676 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1677 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 1678 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1679 | OSMO_ASSERT(14 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1680 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1681 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1682 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1683 | |
| 1684 | printf("--- Bad cases ---\n\n"); |
| 1685 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1686 | /* The RAI in the Attach Request message differs from the RAI in the |
| 1687 | * BSSGP message, only patch the latter */ |
| 1688 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1689 | send_llc_ul_ui(nsi, "ATTACH REQUEST (foreign RAI)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1690 | foreign_tlli2, &rai_bss, cell_id, |
| 1691 | GPRS_SAPI_GMM, 0, |
| 1692 | dtap_attach_req2, sizeof(dtap_attach_req2)); |
| 1693 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1694 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 1695 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1696 | OSMO_ASSERT(15 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1697 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1698 | printf("TLLI is already detached, shouldn't patch\n"); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1699 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1700 | local_tlli, &rai_bss, cell_id, |
| 1701 | GPRS_SAPI_GMM, 3, |
| 1702 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1703 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1704 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1705 | |
Jacob Erlbeck | 006c038 | 2014-05-27 13:49:04 +0200 | [diff] [blame] | 1706 | printf("Invalid RAI, shouldn't patch\n"); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1707 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, 0xccd1758b, &rai_unknown); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1708 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1709 | /* TODO: The following breaks with the current libosmocore, enable it |
| 1710 | * again (and remove the plain expect_msg), when the msgb_bssgph patch |
| 1711 | * is integrated */ |
| 1712 | /* OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_STATUS)); */ |
| 1713 | OSMO_ASSERT(expect_msg()); |
| 1714 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1715 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1716 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1717 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1718 | OSMO_ASSERT(!expect_msg()); |
| 1719 | received_messages = NULL; |
| 1720 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 1721 | talloc_free(gbcfg.core_apn); |
| 1722 | gbcfg.core_apn = NULL; |
| 1723 | |
Jacob Erlbeck | 9ccc41e | 2014-09-25 11:21:34 +0200 | [diff] [blame] | 1724 | gbproxy_clear_patch_filter(&gbcfg.matches[GBPROX_MATCH_PATCHING]); |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1725 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1726 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1727 | nsi = NULL; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1728 | } |
| 1729 | |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1730 | static void test_gbproxy_ptmsi_assignment() |
| 1731 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1732 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1733 | struct gprs_ra_id rai_bss = |
| 1734 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1735 | struct gprs_ra_id rai_unknown = |
| 1736 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1737 | uint16_t cell_id = 0x1234; |
| 1738 | |
| 1739 | const uint32_t ptmsi = 0xefe2b700; |
| 1740 | const uint32_t local_tlli = 0xefe2b700; |
| 1741 | |
| 1742 | const uint32_t foreign_tlli1 = 0x8000dead; |
| 1743 | const uint32_t foreign_tlli2 = 0x8000beef; |
| 1744 | |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 1745 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
| 1746 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1747 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1748 | struct gbproxy_link_info *link_info, *link_info2; |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1749 | struct gbproxy_peer *peer; |
| 1750 | unsigned bss_nu = 0; |
| 1751 | unsigned sgsn_nu = 0; |
| 1752 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1753 | uint16_t bss_nsei[1] = { 0x1000 }; |
| 1754 | |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1755 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 1756 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1757 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1758 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 1759 | gbcfg.core_plmn = (struct osmo_plmn_id){}; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 1760 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1761 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 1762 | gbcfg.patch_ptmsi = 0; |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1763 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1764 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1765 | |
| 1766 | printf("=== %s ===\n", __func__); |
| 1767 | printf("--- Initialise SGSN ---\n\n"); |
| 1768 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1769 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1770 | |
| 1771 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1772 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1773 | setup_ns(nsi, bss_nsei[0]); |
| 1774 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1775 | |
| 1776 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 1777 | OSMO_ASSERT(peer != NULL); |
| 1778 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1779 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1780 | |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1781 | dump_global(stdout, 0); |
| 1782 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1783 | |
| 1784 | printf("--- Establish first LLC connection ---\n\n"); |
| 1785 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1786 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1787 | foreign_tlli1, &rai_unknown, cell_id, |
| 1788 | GPRS_SAPI_GMM, bss_nu++, |
| 1789 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1790 | |
| 1791 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1792 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1793 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1794 | foreign_tlli1, 0, NULL, 0, |
| 1795 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1796 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1797 | |
| 1798 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1799 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1800 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1801 | foreign_tlli1, &rai_bss, cell_id, |
| 1802 | GPRS_SAPI_GMM, bss_nu++, |
| 1803 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 1804 | |
| 1805 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1806 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1807 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1808 | foreign_tlli1, 1, imsi1, sizeof(imsi1), |
| 1809 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1810 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1811 | |
| 1812 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1813 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1814 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli1); |
| 1815 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1816 | OSMO_ASSERT(link_info); |
| 1817 | OSMO_ASSERT(link_info == link_info2); |
| 1818 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1819 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli1); |
| 1820 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1821 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1822 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1823 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1824 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1825 | local_tlli, &rai_bss, cell_id, |
| 1826 | GPRS_SAPI_GMM, bss_nu++, |
| 1827 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1828 | |
| 1829 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1830 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1831 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1832 | OSMO_ASSERT(link_info); |
| 1833 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1834 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli1); |
| 1835 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1836 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1837 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1838 | |
| 1839 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1840 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1841 | local_tlli, 1, imsi1, sizeof(imsi1), |
| 1842 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1843 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1844 | |
| 1845 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1846 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1847 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 1848 | OSMO_ASSERT(link_info); |
| 1849 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
| 1850 | OSMO_ASSERT(!gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2))); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1851 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1852 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1853 | OSMO_ASSERT(link_info == link_info2); |
| 1854 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1855 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1856 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1857 | |
| 1858 | printf("--- Establish second LLC connection with the same P-TMSI ---\n\n"); |
| 1859 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1860 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1861 | foreign_tlli2, &rai_unknown, cell_id, |
| 1862 | GPRS_SAPI_GMM, bss_nu++, |
| 1863 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1864 | |
| 1865 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1866 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1867 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1868 | foreign_tlli2, 0, NULL, 0, |
| 1869 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1870 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1871 | |
| 1872 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1873 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1874 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1875 | foreign_tlli2, &rai_bss, cell_id, |
| 1876 | GPRS_SAPI_GMM, bss_nu++, |
| 1877 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 1878 | |
| 1879 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1880 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1881 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1882 | foreign_tlli2, 1, imsi2, sizeof(imsi2), |
| 1883 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1884 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1885 | |
| 1886 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1887 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1888 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli2); |
| 1889 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1890 | OSMO_ASSERT(link_info); |
| 1891 | OSMO_ASSERT(link_info == link_info2); |
| 1892 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1893 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli2); |
| 1894 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1895 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1896 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1897 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1898 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1899 | local_tlli, &rai_bss, cell_id, |
| 1900 | GPRS_SAPI_GMM, bss_nu++, |
| 1901 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1902 | |
| 1903 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1904 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1905 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1906 | OSMO_ASSERT(link_info); |
| 1907 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1908 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli2); |
| 1909 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1910 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1911 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1912 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1913 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1914 | local_tlli, 1, imsi2, sizeof(imsi2), |
| 1915 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1916 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1917 | |
| 1918 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1919 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1920 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 1921 | OSMO_ASSERT(link_info); |
| 1922 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
| 1923 | OSMO_ASSERT(!gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1))); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1924 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1925 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1926 | OSMO_ASSERT(link_info == link_info2); |
| 1927 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1928 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1929 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1930 | |
| 1931 | dump_global(stdout, 0); |
| 1932 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 1933 | talloc_free(gbcfg.core_apn); |
| 1934 | gbcfg.core_apn = NULL; |
| 1935 | |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1936 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1937 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1938 | nsi = NULL; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 1939 | |
| 1940 | cleanup_test(); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1941 | } |
| 1942 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1943 | static void test_gbproxy_ptmsi_patching() |
| 1944 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1945 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1946 | struct gprs_ra_id rai_bss = |
| 1947 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1948 | struct gprs_ra_id rai_sgsn = |
| 1949 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1950 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 1951 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1952 | struct gprs_ra_id rai_unknown = |
| 1953 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1954 | uint16_t cell_id = 0x1234; |
| 1955 | |
| 1956 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1957 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 1958 | const uint32_t sgsn_ptmsi3 = 0xe0543210; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1959 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1960 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
| 1961 | const uint32_t local_sgsn_tlli3 = 0xe0543210; |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 1962 | const uint32_t random_sgsn_tlli = 0x78dead00; |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1963 | const uint32_t unknown_sgsn_tlli = 0xeebadbad; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1964 | |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 1965 | const uint32_t bss_ptmsi = 0xc0dead01; |
| 1966 | const uint32_t bss_ptmsi2 = 0xc0dead02; |
| 1967 | const uint32_t bss_ptmsi3 = 0xc0dead03; |
| 1968 | const uint32_t local_bss_tlli = 0xc0dead01; |
| 1969 | const uint32_t local_bss_tlli2 = 0xc0dead02; |
| 1970 | const uint32_t local_bss_tlli3 = 0xc0dead03; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1971 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 1972 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1973 | |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 1974 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1975 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1976 | struct gbproxy_peer *peer; |
| 1977 | unsigned bss_nu = 0; |
| 1978 | unsigned sgsn_nu = 0; |
Jacob Erlbeck | c37ef6c | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 1979 | int old_ctr; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1980 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1981 | uint16_t bss_nsei[1] = { 0x1000 }; |
| 1982 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1983 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1984 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 1985 | OSMO_ASSERT(local_sgsn_tlli3 == gprs_tmsi2tlli(sgsn_ptmsi3, TLLI_LOCAL)); |
| 1986 | OSMO_ASSERT(local_bss_tlli == gprs_tmsi2tlli(bss_ptmsi, TLLI_LOCAL)); |
| 1987 | OSMO_ASSERT(local_bss_tlli2 == gprs_tmsi2tlli(bss_ptmsi2, TLLI_LOCAL)); |
| 1988 | OSMO_ASSERT(local_bss_tlli3 == gprs_tmsi2tlli(bss_ptmsi3, TLLI_LOCAL)); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1989 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1990 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1991 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 1992 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 1993 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1994 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 1995 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1996 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 1997 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1998 | |
| 1999 | printf("=== %s ===\n", __func__); |
| 2000 | printf("--- Initialise SGSN ---\n\n"); |
| 2001 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2002 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2003 | |
| 2004 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2005 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2006 | setup_ns(nsi, bss_nsei[0]); |
| 2007 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2008 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 2009 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2010 | OSMO_ASSERT(peer != NULL); |
| 2011 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2012 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2013 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2014 | dump_global(stdout, 0); |
| 2015 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2016 | |
| 2017 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2018 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2019 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2020 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2021 | GPRS_SAPI_GMM, bss_nu++, |
| 2022 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2023 | |
| 2024 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2025 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2026 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2027 | random_sgsn_tlli, 0, NULL, 0, |
| 2028 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2029 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2030 | |
| 2031 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2032 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2033 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2034 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2035 | GPRS_SAPI_GMM, bss_nu++, |
| 2036 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2037 | |
| 2038 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2039 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2040 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2041 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2042 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2043 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2044 | |
| 2045 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2046 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2047 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2048 | OSMO_ASSERT(link_info); |
| 2049 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2050 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2051 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2052 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2053 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2054 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2055 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2056 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2057 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2058 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2059 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2060 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2061 | local_bss_tlli, &rai_bss, cell_id, |
| 2062 | GPRS_SAPI_GMM, bss_nu++, |
| 2063 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2064 | |
| 2065 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2066 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2067 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2068 | OSMO_ASSERT(link_info); |
| 2069 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2070 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2071 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2072 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2073 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2074 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2075 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2076 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2077 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2078 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2079 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2080 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2081 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2082 | |
| 2083 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2084 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2085 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2086 | OSMO_ASSERT(link_info); |
| 2087 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2088 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2089 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2090 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2091 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2092 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 82add78 | 2014-09-05 18:08:12 +0200 | [diff] [blame] | 2093 | local_bss_tlli, &rai_bss, cell_id, |
| 2094 | GPRS_SAPI_GMM, bss_nu++, |
| 2095 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
| 2096 | |
| 2097 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2098 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2099 | /* Non-DTAP */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2100 | send_bssgp_ul_unitdata(nsi, "XID (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2101 | local_bss_tlli, &rai_bss, cell_id, |
| 2102 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2103 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2104 | send_bssgp_dl_unitdata(nsi, "XID (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2105 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2106 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2107 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2108 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2109 | local_bss_tlli, &rai_bss, cell_id, |
| 2110 | llc_ui_ll11_dns_query_ul, |
| 2111 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2112 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2113 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2114 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2115 | llc_ui_ll11_dns_resp_dl, |
| 2116 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2117 | |
| 2118 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2119 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2120 | /* Repeated RA Update Requests */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2121 | send_llc_ul_ui(nsi, "RA UPD REQ (P-TMSI 2)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2122 | local_bss_tlli, &rai_bss, 0x7080, |
| 2123 | GPRS_SAPI_GMM, bss_nu++, |
| 2124 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2125 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2126 | send_llc_dl_ui(nsi, "RA UDP ACC (P-TMSI 2)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2127 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2128 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2129 | dtap_ra_upd_acc2, sizeof(dtap_ra_upd_acc2)); |
| 2130 | |
| 2131 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2132 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2133 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI) != NULL); |
| 2134 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2135 | OSMO_ASSERT(link_info); |
| 2136 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 2137 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2138 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2139 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2140 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi2); |
| 2141 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 2142 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2143 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2144 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2145 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2146 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2147 | send_llc_ul_ui(nsi, "RA UPD REQ (P-TMSI 3)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2148 | local_bss_tlli2, &rai_bss, 0x7080, |
| 2149 | GPRS_SAPI_GMM, bss_nu++, |
| 2150 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2151 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2152 | send_llc_dl_ui(nsi, "RA UDP ACC (P-TMSI 3)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2153 | local_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 2154 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2155 | dtap_ra_upd_acc3, sizeof(dtap_ra_upd_acc3)); |
| 2156 | |
| 2157 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2158 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2159 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI) == NULL); |
| 2160 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli3, SGSN_NSEI) != NULL); |
| 2161 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2162 | OSMO_ASSERT(link_info); |
| 2163 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 2164 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2165 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2166 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2167 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi3); |
| 2168 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli3); |
| 2169 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2170 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2171 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2172 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi3); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2173 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2174 | send_llc_ul_ui(nsi, "RA UPD COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2175 | local_bss_tlli3, &rai_bss, 0x7080, |
| 2176 | GPRS_SAPI_GMM, bss_nu++, |
| 2177 | dtap_ra_upd_complete, sizeof(dtap_ra_upd_complete)); |
| 2178 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2179 | link_info = gbproxy_link_info_by_tlli(peer, local_bss_tlli3); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2180 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2181 | OSMO_ASSERT(link_info); |
| 2182 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2183 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2184 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2185 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2186 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2187 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2188 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
| 2189 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2190 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2191 | |
| 2192 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2193 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2194 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli3, SGSN_NSEI); |
| 2195 | OSMO_ASSERT(link_info); |
| 2196 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli3); |
| 2197 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2198 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli3); |
| 2199 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2200 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2201 | /* Other messages */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2202 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2203 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2204 | |
| 2205 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2206 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2207 | send_bssgp_suspend(nsi, bss_nsei[0], local_bss_tlli3, &rai_bss); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2208 | |
| 2209 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2210 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2211 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli3, &rai_sgsn); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2212 | |
| 2213 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2214 | |
Jacob Erlbeck | c37ef6c | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 2215 | old_ctr = peer->ctrg->ctr[GBPROX_PEER_CTR_PTMSI_PATCHED_SGSN].current; |
| 2216 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2217 | send_bssgp_paging(nsi, SGSN_NSEI, imsi, sizeof(imsi), &rai_bss, sgsn_ptmsi3); |
Jacob Erlbeck | c37ef6c | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 2218 | |
| 2219 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2220 | |
| 2221 | OSMO_ASSERT(old_ctr + 1 == |
| 2222 | peer->ctrg->ctr[GBPROX_PEER_CTR_PTMSI_PATCHED_SGSN].current); |
| 2223 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2224 | /* Bad case: Invalid BVCI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2225 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0xeee1, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2226 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2227 | dump_global(stdout, 0); |
| 2228 | |
| 2229 | /* Bad case: Invalid RAI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2230 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli3, &rai_unknown); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2231 | |
| 2232 | dump_global(stdout, 0); |
| 2233 | |
| 2234 | /* Bad case: Invalid MCC (LAC ok) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2235 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli3, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2236 | &rai_wrong_mcc_sgsn); |
| 2237 | |
| 2238 | dump_global(stdout, 0); |
| 2239 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2240 | /* Bad case: Invalid TLLI from SGSN (IMSI unknown) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2241 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2242 | unknown_sgsn_tlli, 1, NULL, 0, |
| 2243 | GPRS_SAPI_GMM, 2, |
| 2244 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2245 | |
| 2246 | /* Bad case: Invalid TLLI from SGSN (IMSI known) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2247 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2248 | unknown_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2249 | GPRS_SAPI_GMM, 3, |
| 2250 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2251 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2252 | /* Detach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2253 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2254 | local_bss_tlli3, &rai_bss, cell_id, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2255 | GPRS_SAPI_GMM, bss_nu++, |
| 2256 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2257 | |
| 2258 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2259 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2260 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2261 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2262 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2263 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2264 | |
| 2265 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2266 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2267 | dump_global(stdout, 0); |
| 2268 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 2269 | talloc_free(gbcfg.core_apn); |
| 2270 | gbcfg.core_apn = NULL; |
| 2271 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2272 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2273 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2274 | nsi = NULL; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 2275 | |
| 2276 | cleanup_test(); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2277 | } |
| 2278 | |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2279 | static void test_gbproxy_ptmsi_patching_bad_cases() |
| 2280 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2281 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2282 | struct gprs_ra_id rai_bss = |
| 2283 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2284 | struct gprs_ra_id rai_unknown = |
| 2285 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2286 | uint16_t cell_id = 0x1234; |
| 2287 | |
| 2288 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2289 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2290 | const uint32_t random_sgsn_tlli = 0x78dead00; |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2291 | |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2292 | const uint32_t bss_ptmsi = 0xc0dead01; |
| 2293 | const uint32_t local_bss_tlli = 0xc0dead01; |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2294 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2295 | |
| 2296 | |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 2297 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2298 | struct gbproxy_link_info *link_info; |
| 2299 | struct gbproxy_peer *peer; |
| 2300 | unsigned bss_nu = 0; |
| 2301 | unsigned sgsn_nu = 0; |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2302 | uint16_t bss_nsei[] = { 0x1000 }; |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2303 | |
| 2304 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2305 | OSMO_ASSERT(local_bss_tlli == gprs_tmsi2tlli(bss_ptmsi, TLLI_LOCAL)); |
| 2306 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2307 | gbcfg.nsi = nsi; |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2308 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 2309 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 2310 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2311 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2312 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2313 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2314 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2315 | |
| 2316 | printf("=== %s ===\n", __func__); |
| 2317 | printf("--- Initialise SGSN ---\n\n"); |
| 2318 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2319 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2320 | |
| 2321 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2322 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2323 | setup_ns(nsi, bss_nsei[0]); |
| 2324 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2325 | |
| 2326 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2327 | OSMO_ASSERT(peer != NULL); |
| 2328 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2329 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2330 | |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2331 | dump_global(stdout, 0); |
| 2332 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2333 | |
| 2334 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2335 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2336 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2337 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2338 | GPRS_SAPI_GMM, bss_nu++, |
| 2339 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2340 | |
| 2341 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2342 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2343 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2344 | random_sgsn_tlli, 0, NULL, 0, |
| 2345 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2346 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2347 | |
| 2348 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2349 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2350 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2351 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2352 | GPRS_SAPI_GMM, bss_nu++, |
| 2353 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2354 | |
| 2355 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2356 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2357 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2358 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2359 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2360 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2361 | |
| 2362 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2363 | |
| 2364 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2365 | OSMO_ASSERT(link_info); |
| 2366 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2367 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2368 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2369 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2370 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2371 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2372 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2373 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2374 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2375 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
| 2376 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2377 | send_llc_dl_ui(nsi, "ATTACH ACCEPT (duplicated)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2378 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2379 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2380 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2381 | |
| 2382 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2383 | |
| 2384 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2385 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 91e9f55 | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2386 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2387 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2388 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2389 | OSMO_ASSERT(!link_info->tlli.net_validated); |
Jacob Erlbeck | 91e9f55 | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2390 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2391 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2392 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2393 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2394 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2395 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
| 2396 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2397 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2398 | local_bss_tlli, &rai_bss, cell_id, |
| 2399 | GPRS_SAPI_GMM, bss_nu++, |
| 2400 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2401 | |
| 2402 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2403 | |
| 2404 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2405 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 91e9f55 | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2406 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2407 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
Jacob Erlbeck | 91e9f55 | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2408 | OSMO_ASSERT(link_info->tlli.bss_validated); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2409 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2410 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2411 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
Jacob Erlbeck | 91e9f55 | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2412 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2413 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2414 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2415 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2416 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2417 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2418 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2419 | |
| 2420 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2421 | |
| 2422 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2423 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 91e9f55 | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2424 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2425 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2426 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2427 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2428 | |
| 2429 | /* Detach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2430 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2431 | local_bss_tlli, &rai_bss, cell_id, |
| 2432 | GPRS_SAPI_GMM, bss_nu++, |
| 2433 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2434 | |
| 2435 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2436 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2437 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2438 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2439 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2440 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2441 | |
| 2442 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2443 | |
| 2444 | dump_global(stdout, 0); |
| 2445 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 2446 | talloc_free(gbcfg.core_apn); |
| 2447 | gbcfg.core_apn = NULL; |
| 2448 | |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2449 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2450 | gprs_ns2_free(nsi); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2451 | nsi = NULL; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 2452 | |
| 2453 | cleanup_test(); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2454 | } |
| 2455 | |
| 2456 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2457 | static void test_gbproxy_imsi_acquisition() |
| 2458 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2459 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2460 | struct gprs_ra_id rai_bss = |
| 2461 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2462 | struct gprs_ra_id rai_sgsn = |
| 2463 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2464 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 2465 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2466 | struct gprs_ra_id rai_unknown = |
| 2467 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2468 | uint16_t cell_id = 0x1234; |
| 2469 | |
| 2470 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2471 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2472 | const uint32_t random_sgsn_tlli = 0x78dead00; |
| 2473 | const uint32_t random_sgsn_tlli2 = 0x78dead02; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2474 | |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2475 | const uint32_t bss_ptmsi = 0xc0dead01; |
| 2476 | const uint32_t local_bss_tlli = 0xc0dead01; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2477 | const uint32_t foreign_bss_tlli = 0x8000dead; |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2478 | const uint32_t other_bss_tlli = 0x8000beef; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2479 | |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 2480 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2481 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2482 | struct gbproxy_peer *peer; |
| 2483 | unsigned bss_nu = 0; |
| 2484 | unsigned sgsn_nu = 0; |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2485 | uint16_t bss_nsei[] = { 0x1000 }; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2486 | |
| 2487 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2488 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2489 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2490 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 2491 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 2492 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2493 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2494 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2495 | gbcfg.acquire_imsi = 1; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2496 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2497 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2498 | |
| 2499 | printf("=== %s ===\n", __func__); |
| 2500 | printf("--- Initialise SGSN ---\n\n"); |
| 2501 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2502 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2503 | |
| 2504 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2505 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2506 | setup_ns(nsi, bss_nsei[0]); |
| 2507 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2508 | |
| 2509 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2510 | OSMO_ASSERT(peer != NULL); |
| 2511 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2512 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2513 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2514 | dump_global(stdout, 0); |
| 2515 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2516 | |
| 2517 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2518 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2519 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2520 | foreign_bss_tlli, &rai_bss, cell_id, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2521 | GPRS_SAPI_GMM, bss_nu++, |
| 2522 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2523 | |
| 2524 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2525 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2526 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2527 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2528 | GPRS_SAPI_GMM, bss_nu++, |
| 2529 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2530 | |
| 2531 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2532 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2533 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2534 | random_sgsn_tlli, 0, NULL, 0, |
| 2535 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2536 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2537 | |
| 2538 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2539 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2540 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2541 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2542 | GPRS_SAPI_GMM, bss_nu++, |
| 2543 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2544 | |
| 2545 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2546 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2547 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2548 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2549 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2550 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2551 | |
| 2552 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2553 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2554 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2555 | OSMO_ASSERT(link_info); |
| 2556 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2557 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2558 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2559 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2560 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2561 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2562 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2563 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2564 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2565 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2566 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2567 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2568 | local_bss_tlli, &rai_bss, cell_id, |
| 2569 | GPRS_SAPI_GMM, bss_nu++, |
| 2570 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2571 | |
| 2572 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2573 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2574 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2575 | OSMO_ASSERT(link_info); |
| 2576 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2577 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2578 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2579 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2580 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2581 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2582 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2583 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2584 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2585 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2586 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2587 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2588 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2589 | |
| 2590 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2591 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2592 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2593 | OSMO_ASSERT(link_info); |
| 2594 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2595 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2596 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2597 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2598 | |
| 2599 | /* Non-DTAP */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2600 | send_bssgp_ul_unitdata(nsi, "XID (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2601 | local_bss_tlli, &rai_bss, cell_id, |
| 2602 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2603 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2604 | send_bssgp_dl_unitdata(nsi, "XID (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2605 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2606 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2607 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2608 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2609 | local_bss_tlli, &rai_bss, cell_id, |
| 2610 | llc_ui_ll11_dns_query_ul, |
| 2611 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2612 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2613 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2614 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2615 | llc_ui_ll11_dns_resp_dl, |
| 2616 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2617 | |
| 2618 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2619 | |
| 2620 | /* Other messages */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2621 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2622 | local_bss_tlli, 1, 12); |
| 2623 | |
| 2624 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2625 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2626 | send_bssgp_llc_discarded(nsi, SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2627 | local_sgsn_tlli, 1, 12); |
| 2628 | |
| 2629 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2630 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2631 | send_bssgp_suspend(nsi, bss_nsei[0], local_bss_tlli, &rai_bss); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2632 | |
| 2633 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2634 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2635 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli, &rai_sgsn); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2636 | |
| 2637 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2638 | |
| 2639 | /* Bad case: Invalid BVCI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2640 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0xeee1, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2641 | local_bss_tlli, 1, 12); |
| 2642 | dump_global(stdout, 0); |
| 2643 | |
| 2644 | /* Bad case: Invalid RAI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2645 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli, &rai_unknown); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2646 | |
| 2647 | dump_global(stdout, 0); |
| 2648 | |
| 2649 | /* Bad case: Invalid MCC (LAC ok) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2650 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2651 | &rai_wrong_mcc_sgsn); |
| 2652 | |
| 2653 | dump_global(stdout, 0); |
| 2654 | |
| 2655 | /* Detach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2656 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2657 | local_bss_tlli, &rai_bss, cell_id, |
| 2658 | GPRS_SAPI_GMM, bss_nu++, |
| 2659 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2660 | |
| 2661 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2662 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2663 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2664 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2665 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2666 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2667 | |
| 2668 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2669 | |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2670 | /* RA Update request */ |
| 2671 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2672 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2673 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2674 | GPRS_SAPI_GMM, bss_nu++, |
| 2675 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2676 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2677 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2678 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2679 | GPRS_SAPI_GMM, bss_nu++, |
| 2680 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2681 | |
| 2682 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2683 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2684 | send_llc_dl_ui(nsi, "RA UDP ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2685 | random_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 2686 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2687 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
| 2688 | |
| 2689 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2690 | |
| 2691 | /* Detach */ |
| 2692 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2693 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2694 | local_bss_tlli, &rai_bss, cell_id, |
| 2695 | GPRS_SAPI_GMM, bss_nu++, |
| 2696 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2697 | |
| 2698 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2699 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2700 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2701 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2702 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2703 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2704 | |
| 2705 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2706 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2707 | /* Special case: Repeated Attach Requests */ |
| 2708 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2709 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2710 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2711 | GPRS_SAPI_GMM, bss_nu++, |
| 2712 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2713 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2714 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2715 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2716 | GPRS_SAPI_GMM, bss_nu++, |
| 2717 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2718 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2719 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2720 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2721 | GPRS_SAPI_GMM, bss_nu++, |
| 2722 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2723 | |
| 2724 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2725 | |
| 2726 | /* Special case: Detach from an unknown TLLI */ |
| 2727 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2728 | send_llc_ul_ui(nsi, "DETACH REQ (unknown TLLI)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2729 | other_bss_tlli, &rai_bss, cell_id, |
| 2730 | GPRS_SAPI_GMM, bss_nu++, |
| 2731 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2732 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2733 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2734 | |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2735 | /* Special case: Repeated RA Update Requests */ |
| 2736 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2737 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2738 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2739 | GPRS_SAPI_GMM, bss_nu++, |
| 2740 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2741 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2742 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2743 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2744 | GPRS_SAPI_GMM, bss_nu++, |
| 2745 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2746 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2747 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2748 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2749 | GPRS_SAPI_GMM, bss_nu++, |
| 2750 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2751 | |
| 2752 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2753 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2754 | dump_global(stdout, 0); |
| 2755 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 2756 | talloc_free(gbcfg.core_apn); |
| 2757 | gbcfg.core_apn = NULL; |
| 2758 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2759 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2760 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2761 | nsi = NULL; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 2762 | |
| 2763 | cleanup_test(); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2764 | } |
| 2765 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2766 | static void test_gbproxy_secondary_sgsn() |
| 2767 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2768 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2769 | struct gprs_ra_id rai_bss = |
| 2770 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2771 | struct gprs_ra_id rai_sgsn = |
| 2772 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2773 | struct gprs_ra_id rai_unknown = |
| 2774 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2775 | uint16_t cell_id = 0x1234; |
| 2776 | |
| 2777 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2778 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2779 | const uint32_t random_sgsn_tlli = 0x78dead00; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2780 | |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2781 | const uint32_t bss_ptmsi = 0xc0dead01; |
| 2782 | const uint32_t local_bss_tlli = 0xc0dead01; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2783 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2784 | |
| 2785 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 2786 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2787 | const uint32_t random_sgsn_tlli2 = 0x78dead02; |
| 2788 | const uint32_t bss_ptmsi2 = 0xc0dead03; |
| 2789 | const uint32_t local_bss_tlli2 = 0xc0dead03; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2790 | const uint32_t foreign_bss_tlli2 = 0x8000beef; |
| 2791 | |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2792 | const uint32_t random_sgsn_tlli3 = 0x78dead04; |
| 2793 | const uint32_t bss_ptmsi3 = 0xc0dead05; |
| 2794 | const uint32_t local_bss_tlli3 = 0xc0dead05; |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2795 | const uint32_t foreign_bss_tlli3 = 0x8000feed; |
| 2796 | |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 2797 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
| 2798 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0xf8}; |
| 2799 | const uint8_t imsi3[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x26, 0x27, 0xf8}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2800 | struct gbproxy_link_info *link_info; |
| 2801 | struct gbproxy_link_info *other_info; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2802 | struct gbproxy_peer *peer; |
| 2803 | unsigned bss_nu = 0; |
| 2804 | unsigned sgsn_nu = 0; |
| 2805 | |
| 2806 | const char *err_msg = NULL; |
| 2807 | const char *filter_re = "999999"; |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2808 | uint16_t bss_nsei[] = { 0x1000 }; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2809 | |
| 2810 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2811 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 2812 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2813 | gbcfg.nsi = nsi; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2814 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 2815 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 2816 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2817 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2818 | gbcfg.patch_ptmsi = 1; |
| 2819 | gbcfg.acquire_imsi = 1; |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2820 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2821 | gbcfg.route_to_sgsn2 = 1; |
| 2822 | gbcfg.nsip_sgsn2_nsei = SGSN2_NSEI; |
| 2823 | |
Jacob Erlbeck | b36032c | 2014-09-25 13:21:48 +0200 | [diff] [blame] | 2824 | if (gbproxy_set_patch_filter(&gbcfg.matches[GBPROX_MATCH_ROUTING], |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 2825 | filter_re, &err_msg) != 0) { |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2826 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 2827 | err_msg); |
| 2828 | OSMO_ASSERT(err_msg == NULL); |
| 2829 | } |
| 2830 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2831 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2832 | |
| 2833 | printf("=== %s ===\n", __func__); |
| 2834 | printf("--- Initialise SGSN 1 ---\n\n"); |
| 2835 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2836 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2837 | |
| 2838 | printf("--- Initialise SGSN 2 ---\n\n"); |
| 2839 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2840 | connect_sgsn(nsi, SGSN2_NSEI); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2841 | |
| 2842 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2843 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2844 | setup_ns(nsi, bss_nsei[0]); |
| 2845 | setup_bssgp(nsi, bss_nsei[0], 0x0); |
| 2846 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x0); |
| 2847 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
| 2848 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
| 2849 | send_bssgp_reset_ack(nsi, SGSN2_NSEI, 0x1002); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2850 | |
| 2851 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2852 | OSMO_ASSERT(peer != NULL); |
| 2853 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2854 | dump_global(stdout, 0); |
| 2855 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2856 | |
| 2857 | printf("--- Flow control ---\n\n"); |
| 2858 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2859 | send_bssgp_flow_control_bvc(nsi, bss_nsei[0], 0x1002, 1); |
| 2860 | send_bssgp_flow_control_bvc_ack(nsi, SGSN_NSEI, 0x1002, 1); |
| 2861 | send_bssgp_flow_control_bvc_ack(nsi, SGSN2_NSEI, 0x1002, 1); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2862 | |
| 2863 | printf("--- Establish GPRS connection (SGSN 1) ---\n\n"); |
| 2864 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2865 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2866 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2867 | GPRS_SAPI_GMM, bss_nu++, |
| 2868 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2869 | |
| 2870 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2871 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2872 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2873 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2874 | GPRS_SAPI_GMM, bss_nu++, |
| 2875 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2876 | |
| 2877 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2878 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2879 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2880 | random_sgsn_tlli, 0, NULL, 0, |
| 2881 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2882 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2883 | |
| 2884 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2885 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2886 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2887 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2888 | GPRS_SAPI_GMM, bss_nu++, |
| 2889 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2890 | |
| 2891 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2892 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2893 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2894 | random_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2895 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2896 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2897 | |
| 2898 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2899 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2900 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2901 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2902 | OSMO_ASSERT(link_info); |
| 2903 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2904 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2905 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2906 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2907 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2908 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2909 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2910 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2911 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2912 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2913 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2914 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2915 | local_bss_tlli, &rai_bss, cell_id, |
| 2916 | GPRS_SAPI_GMM, bss_nu++, |
| 2917 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2918 | |
| 2919 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2920 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2921 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2922 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2923 | OSMO_ASSERT(link_info); |
| 2924 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2925 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2926 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2927 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2928 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2929 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2930 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2931 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2932 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2933 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2934 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2935 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2936 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2937 | |
| 2938 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2939 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2940 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2941 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2942 | OSMO_ASSERT(link_info); |
| 2943 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2944 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2945 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2946 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2947 | |
| 2948 | /* Non-DTAP */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2949 | send_bssgp_ul_unitdata(nsi, "XID (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2950 | local_bss_tlli, &rai_bss, cell_id, |
| 2951 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2952 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2953 | send_bssgp_dl_unitdata(nsi, "XID (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2954 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2955 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2956 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2957 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2958 | local_bss_tlli, &rai_bss, cell_id, |
| 2959 | llc_ui_ll11_dns_query_ul, |
| 2960 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2961 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2962 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2963 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2964 | llc_ui_ll11_dns_resp_dl, |
| 2965 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2966 | |
| 2967 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2968 | |
| 2969 | /* Other messages */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2970 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2971 | local_bss_tlli, 1, 12); |
| 2972 | |
| 2973 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2974 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2975 | send_bssgp_llc_discarded(nsi, SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2976 | local_sgsn_tlli, 1, 12); |
| 2977 | |
| 2978 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2979 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2980 | send_bssgp_suspend(nsi, bss_nsei[0], local_bss_tlli, &rai_bss); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2981 | |
| 2982 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2983 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2984 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli, &rai_sgsn); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2985 | |
| 2986 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2987 | |
| 2988 | printf("--- Establish GPRS connection (SGSN 2) ---\n\n"); |
| 2989 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2990 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2991 | foreign_bss_tlli2, &rai_unknown, cell_id, |
| 2992 | GPRS_SAPI_GMM, bss_nu++, |
| 2993 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2994 | |
| 2995 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2996 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 2997 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2998 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 2999 | GPRS_SAPI_GMM, bss_nu++, |
| 3000 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 3001 | |
| 3002 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3003 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3004 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3005 | random_sgsn_tlli2, 0, NULL, 0, |
| 3006 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3007 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3008 | |
| 3009 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3010 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3011 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3012 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 3013 | GPRS_SAPI_GMM, bss_nu++, |
Jacob Erlbeck | 2bb4543 | 2014-09-17 12:05:08 +0200 | [diff] [blame] | 3014 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3015 | |
| 3016 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3017 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3018 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3019 | random_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3020 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3021 | dtap_attach_acc2, sizeof(dtap_attach_acc2)); |
| 3022 | |
| 3023 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3024 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3025 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli2, SGSN_NSEI)); |
| 3026 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli2, SGSN2_NSEI); |
| 3027 | OSMO_ASSERT(link_info); |
| 3028 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 3029 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli2); |
| 3030 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 3031 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3032 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi2); |
| 3033 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 3034 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 3035 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 3036 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 3037 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3038 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3039 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3040 | local_bss_tlli2, &rai_bss, cell_id, |
| 3041 | GPRS_SAPI_GMM, bss_nu++, |
| 3042 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3043 | |
| 3044 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3045 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3046 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI)); |
| 3047 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN2_NSEI); |
| 3048 | OSMO_ASSERT(link_info); |
| 3049 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 3050 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli2); |
| 3051 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 3052 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3053 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 3054 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 3055 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 3056 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3057 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3058 | send_llc_dl_ui(nsi, "GMM INFO", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3059 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3060 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3061 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3062 | |
| 3063 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3064 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3065 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI)); |
| 3066 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN2_NSEI); |
| 3067 | OSMO_ASSERT(link_info); |
| 3068 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli2); |
| 3069 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 3070 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli2); |
| 3071 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3072 | |
| 3073 | /* Non-DTAP */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3074 | send_bssgp_ul_unitdata(nsi, "XID (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3075 | local_bss_tlli2, &rai_bss, cell_id, |
| 3076 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 3077 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3078 | send_bssgp_dl_unitdata(nsi, "XID (DL)", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3079 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3080 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 3081 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3082 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3083 | local_bss_tlli2, &rai_bss, cell_id, |
| 3084 | llc_ui_ll11_dns_query_ul, |
| 3085 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 3086 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3087 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3088 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3089 | llc_ui_ll11_dns_resp_dl, |
| 3090 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 3091 | |
| 3092 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3093 | |
| 3094 | /* Other messages */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3095 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3096 | local_bss_tlli2, 1, 12); |
| 3097 | |
| 3098 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3099 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3100 | send_bssgp_llc_discarded(nsi, SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3101 | local_sgsn_tlli2, 1, 12); |
| 3102 | |
| 3103 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3104 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3105 | send_bssgp_suspend(nsi, bss_nsei[0], local_bss_tlli2, &rai_bss); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3106 | |
| 3107 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3108 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3109 | send_bssgp_suspend_ack(nsi, SGSN2_NSEI, local_sgsn_tlli2, &rai_sgsn); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3110 | |
| 3111 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3112 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3113 | printf("--- Establish GPRS connection (SGSN 2, P-TMSI collision) ---\n\n"); |
| 3114 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3115 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3116 | foreign_bss_tlli3, &rai_unknown, cell_id, |
| 3117 | GPRS_SAPI_GMM, bss_nu++, |
| 3118 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3119 | |
| 3120 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3121 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3122 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3123 | foreign_bss_tlli3, &rai_bss, cell_id, |
| 3124 | GPRS_SAPI_GMM, bss_nu++, |
| 3125 | dtap_identity3_resp, sizeof(dtap_identity3_resp)); |
| 3126 | |
| 3127 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3128 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3129 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3130 | random_sgsn_tlli3, 0, NULL, 0, |
| 3131 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3132 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3133 | |
| 3134 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3135 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3136 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3137 | foreign_bss_tlli3, &rai_bss, cell_id, |
| 3138 | GPRS_SAPI_GMM, bss_nu++, |
| 3139 | dtap_identity3_resp, sizeof(dtap_identity3_resp)); |
| 3140 | |
| 3141 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3142 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3143 | send_llc_dl_ui(nsi, "ATTACH ACCEPT (P-TMSI 1)", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3144 | random_sgsn_tlli3, 1, imsi3, sizeof(imsi3), |
| 3145 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3146 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3147 | |
| 3148 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3149 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3150 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli3, SGSN_NSEI)); |
| 3151 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli3, SGSN2_NSEI); |
| 3152 | OSMO_ASSERT(link_info); |
| 3153 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 3154 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli3); |
| 3155 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 3156 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3157 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi3); |
| 3158 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 3159 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli3); |
| 3160 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 3161 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 3162 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3163 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3164 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3165 | local_bss_tlli3, &rai_bss, cell_id, |
| 3166 | GPRS_SAPI_GMM, bss_nu++, |
| 3167 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3168 | |
| 3169 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3170 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3171 | other_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3172 | OSMO_ASSERT(other_info); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3173 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI); |
| 3174 | OSMO_ASSERT(link_info); |
| 3175 | OSMO_ASSERT(link_info != other_info); |
| 3176 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 3177 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli3); |
| 3178 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 3179 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3180 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 3181 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli3); |
| 3182 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 3183 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3184 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3185 | send_llc_dl_ui(nsi, "GMM INFO", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3186 | local_sgsn_tlli, 1, imsi3, sizeof(imsi3), |
| 3187 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3188 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3189 | |
| 3190 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3191 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3192 | other_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3193 | OSMO_ASSERT(other_info); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3194 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI); |
| 3195 | OSMO_ASSERT(link_info); |
| 3196 | OSMO_ASSERT(link_info != other_info); |
| 3197 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli3); |
| 3198 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 3199 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 3200 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3201 | |
| 3202 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3203 | printf("--- Shutdown GPRS connection (SGSN 1) ---\n\n"); |
| 3204 | |
| 3205 | /* Detach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3206 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3207 | local_bss_tlli, &rai_bss, cell_id, |
| 3208 | GPRS_SAPI_GMM, bss_nu++, |
| 3209 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3210 | |
| 3211 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3212 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3213 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3214 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 3215 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3216 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3217 | |
| 3218 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3219 | |
| 3220 | printf("--- Shutdown GPRS connection (SGSN 2) ---\n\n"); |
| 3221 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3222 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3223 | local_bss_tlli2, &rai_bss, cell_id, |
| 3224 | GPRS_SAPI_GMM, bss_nu++, |
| 3225 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3226 | |
| 3227 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3228 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3229 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3230 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3231 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3232 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3233 | |
| 3234 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3235 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3236 | printf("--- Shutdown GPRS connection (SGSN 2, P-TMSI 1) ---\n\n"); |
| 3237 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3238 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3239 | local_bss_tlli3, &rai_bss, cell_id, |
| 3240 | GPRS_SAPI_GMM, bss_nu++, |
| 3241 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3242 | |
| 3243 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3244 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3245 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3246 | local_sgsn_tlli, 1, imsi3, sizeof(imsi3), |
| 3247 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3248 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3249 | |
| 3250 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3251 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3252 | dump_global(stdout, 0); |
| 3253 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 3254 | talloc_free(gbcfg.core_apn); |
| 3255 | gbcfg.core_apn = NULL; |
| 3256 | |
Jacob Erlbeck | b36032c | 2014-09-25 13:21:48 +0200 | [diff] [blame] | 3257 | gbproxy_clear_patch_filter(&gbcfg.matches[GBPROX_MATCH_ROUTING]); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3258 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3259 | gprs_ns2_free(nsi); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3260 | nsi = NULL; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 3261 | |
| 3262 | cleanup_test(); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3263 | } |
| 3264 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3265 | static void test_gbproxy_keep_info() |
| 3266 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3267 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3268 | struct gprs_ra_id rai_bss = |
| 3269 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 3270 | uint16_t cell_id = 0x1234; |
| 3271 | |
| 3272 | const uint32_t ptmsi = 0xefe2b700; |
| 3273 | const uint32_t local_tlli = 0xefe2b700; |
| 3274 | const uint32_t foreign_tlli = 0xafe2b700; |
| 3275 | |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 3276 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3277 | struct gbproxy_link_info *link_info, *link_info2; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3278 | struct gbproxy_peer *peer; |
| 3279 | unsigned bss_nu = 0; |
| 3280 | unsigned sgsn_nu = 0; |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3281 | uint16_t bss_nsei[] = { 0x1000 }; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3282 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3283 | LLIST_HEAD(rcv_list); |
| 3284 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3285 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 3286 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3287 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3288 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 3289 | gbcfg.patch_ptmsi = 0; |
| 3290 | gbcfg.acquire_imsi = 1; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 3291 | gbcfg.core_plmn = (struct osmo_plmn_id){}; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3292 | gbcfg.core_apn = NULL; |
| 3293 | gbcfg.core_apn_size = 0; |
| 3294 | gbcfg.route_to_sgsn2 = 0; |
| 3295 | gbcfg.nsip_sgsn2_nsei = 0xffff; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3296 | gbcfg.keep_link_infos = GBPROX_KEEP_ALWAYS; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3297 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3298 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3299 | |
| 3300 | printf("=== %s ===\n", __func__); |
| 3301 | printf("--- Initialise SGSN ---\n\n"); |
| 3302 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3303 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3304 | |
| 3305 | printf("--- Initialise BSS 1 ---\n\n"); |
| 3306 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3307 | setup_ns(nsi, bss_nsei[0]); |
| 3308 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3309 | |
| 3310 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 3311 | OSMO_ASSERT(peer != NULL); |
| 3312 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3313 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3314 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3315 | dump_global(stdout, 0); |
| 3316 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3317 | |
| 3318 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 3319 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3320 | received_messages = &rcv_list; |
| 3321 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3322 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3323 | foreign_tlli, &rai_bss, cell_id, |
| 3324 | GPRS_SAPI_GMM, bss_nu++, |
| 3325 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3326 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3327 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 3328 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3329 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3330 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3331 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3332 | OSMO_ASSERT(link_info); |
| 3333 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3334 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3335 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3336 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3337 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3338 | foreign_tlli, &rai_bss, cell_id, |
| 3339 | GPRS_SAPI_GMM, bss_nu++, |
| 3340 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3341 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3342 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3343 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3344 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3345 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3346 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3347 | OSMO_ASSERT(link_info); |
| 3348 | OSMO_ASSERT(link_info->imsi_len > 0); |
| 3349 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3350 | OSMO_ASSERT(gprs_tlli_type(link_info->sgsn_tlli.current) == TLLI_FOREIGN); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3351 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3352 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3353 | foreign_tlli, 0, NULL, 0, |
| 3354 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3355 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3356 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3357 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 3358 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3359 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3360 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3361 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3362 | foreign_tlli, &rai_bss, cell_id, |
| 3363 | GPRS_SAPI_GMM, bss_nu++, |
| 3364 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3365 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3366 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ID_RESP)); |
| 3367 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3368 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3369 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3370 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3371 | OSMO_ASSERT(link_info); |
| 3372 | OSMO_ASSERT(link_info->imsi_len > 0); |
| 3373 | OSMO_ASSERT(gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi))); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3374 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3375 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3376 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3377 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3378 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3379 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3380 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3381 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3382 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3383 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3384 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3385 | local_tlli, &rai_bss, cell_id, |
| 3386 | GPRS_SAPI_GMM, bss_nu++, |
| 3387 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3388 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3389 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3390 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3391 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3392 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3393 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3394 | local_tlli, 1, imsi, sizeof(imsi), |
| 3395 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3396 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3397 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3398 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 3399 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3400 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3401 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3402 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3403 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3404 | |
| 3405 | /* Detach (MO) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3406 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3407 | local_tlli, &rai_bss, cell_id, |
| 3408 | GPRS_SAPI_GMM, bss_nu++, |
| 3409 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3410 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3411 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3412 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3413 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3414 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3415 | |
| 3416 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3417 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3418 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3419 | local_tlli, 1, imsi, sizeof(imsi), |
| 3420 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3421 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3422 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3423 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3424 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3425 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3426 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3427 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3428 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3429 | OSMO_ASSERT(link_info); |
| 3430 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3431 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3432 | OSMO_ASSERT(!expect_msg()); |
| 3433 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3434 | /* Re-Attach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3435 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3436 | foreign_tlli, &rai_bss, cell_id, |
| 3437 | GPRS_SAPI_GMM, bss_nu++, |
| 3438 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3439 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3440 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3441 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3442 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3443 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3444 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3445 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3446 | OSMO_ASSERT(link_info); |
| 3447 | OSMO_ASSERT(link_info == link_info2); |
| 3448 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3449 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3450 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3451 | OSMO_ASSERT(gprs_tlli_type(link_info->sgsn_tlli.current) == TLLI_FOREIGN); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3452 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3453 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3454 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3455 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3456 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3457 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3458 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3459 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3460 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3461 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3462 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3463 | local_tlli, &rai_bss, cell_id, |
| 3464 | GPRS_SAPI_GMM, bss_nu++, |
| 3465 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3466 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3467 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3468 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3469 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3470 | |
| 3471 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3472 | send_llc_dl_ui(nsi, "DETACH REQ (re-attach)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3473 | local_tlli, 1, imsi, sizeof(imsi), |
| 3474 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3475 | dtap_mt_detach_rea_req, sizeof(dtap_mt_detach_rea_req)); |
| 3476 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3477 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3478 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3479 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3480 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3481 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3482 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3483 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3484 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3485 | local_tlli, &rai_bss, cell_id, |
| 3486 | GPRS_SAPI_GMM, bss_nu++, |
| 3487 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3488 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3489 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3490 | OSMO_ASSERT(!expect_msg()); |
| 3491 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3492 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3493 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3494 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3495 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3496 | OSMO_ASSERT(link_info); |
| 3497 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3498 | |
| 3499 | /* Re-Attach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3500 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3501 | foreign_tlli, &rai_bss, cell_id, |
| 3502 | GPRS_SAPI_GMM, bss_nu++, |
| 3503 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3504 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3505 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3506 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3507 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3508 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3509 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3510 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3511 | OSMO_ASSERT(link_info); |
| 3512 | OSMO_ASSERT(link_info == link_info2); |
| 3513 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3514 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3515 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3516 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3517 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3518 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3519 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3520 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3521 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3522 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3523 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3524 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3525 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3526 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3527 | local_tlli, &rai_bss, cell_id, |
| 3528 | GPRS_SAPI_GMM, bss_nu++, |
| 3529 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3530 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3531 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3532 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3533 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3534 | |
| 3535 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3536 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3537 | local_tlli, 1, imsi, sizeof(imsi), |
| 3538 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3539 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3540 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3541 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3542 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3543 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3544 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3545 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3546 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3547 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3548 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3549 | local_tlli, &rai_bss, cell_id, |
| 3550 | GPRS_SAPI_GMM, bss_nu++, |
| 3551 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3552 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3553 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3554 | OSMO_ASSERT(!expect_msg()); |
| 3555 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3556 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3557 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3558 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3559 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3560 | OSMO_ASSERT(link_info); |
| 3561 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3562 | |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3563 | /* Re-Attach with IMSI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3564 | send_llc_ul_ui(nsi, "ATTACH REQUEST (IMSI)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3565 | foreign_tlli, &rai_bss, cell_id, |
| 3566 | GPRS_SAPI_GMM, bss_nu++, |
| 3567 | dtap_attach_req4, sizeof(dtap_attach_req4)); |
| 3568 | |
| 3569 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3570 | |
| 3571 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3572 | |
| 3573 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3574 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3575 | OSMO_ASSERT(link_info); |
| 3576 | OSMO_ASSERT(link_info == link_info2); |
| 3577 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3578 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3579 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3580 | OSMO_ASSERT(link_info->sgsn_tlli.current == foreign_tlli); |
| 3581 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3582 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3583 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3584 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3585 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3586 | |
| 3587 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3588 | |
| 3589 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3590 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3591 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3592 | local_tlli, &rai_bss, cell_id, |
| 3593 | GPRS_SAPI_GMM, bss_nu++, |
| 3594 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3595 | |
| 3596 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3597 | |
| 3598 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3599 | |
| 3600 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3601 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3602 | local_tlli, 1, imsi, sizeof(imsi), |
| 3603 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3604 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3605 | |
| 3606 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3607 | |
| 3608 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3609 | |
| 3610 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3611 | OSMO_ASSERT(link_info); |
| 3612 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3613 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3614 | local_tlli, &rai_bss, cell_id, |
| 3615 | GPRS_SAPI_GMM, bss_nu++, |
| 3616 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3617 | |
| 3618 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3619 | OSMO_ASSERT(!expect_msg()); |
| 3620 | |
| 3621 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3622 | |
| 3623 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3624 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3625 | OSMO_ASSERT(link_info); |
| 3626 | OSMO_ASSERT(link_info->is_deregistered); |
| 3627 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3628 | /* Re-Attach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3629 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3630 | foreign_tlli, &rai_bss, cell_id, |
| 3631 | GPRS_SAPI_GMM, bss_nu++, |
| 3632 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3633 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3634 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3635 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3636 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3637 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3638 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3639 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3640 | OSMO_ASSERT(link_info); |
| 3641 | OSMO_ASSERT(link_info == link_info2); |
| 3642 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3643 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3644 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3645 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3646 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3647 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3648 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3649 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3650 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3651 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3652 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3653 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3654 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3655 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3656 | local_tlli, &rai_bss, cell_id, |
| 3657 | GPRS_SAPI_GMM, bss_nu++, |
| 3658 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3659 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3660 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3661 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3662 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3663 | |
| 3664 | /* RA update procedure (reject -> Detach) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3665 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3666 | local_tlli, &rai_bss, 0x7080, |
| 3667 | GPRS_SAPI_GMM, bss_nu++, |
| 3668 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 3669 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3670 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_RA_UPD_REQ)); |
| 3671 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3672 | send_llc_dl_ui(nsi, "RA UDP REJ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3673 | local_tlli, 1, imsi, sizeof(imsi), |
| 3674 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3675 | dtap_ra_upd_rej, sizeof(dtap_ra_upd_rej)); |
| 3676 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3677 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_RA_UPD_REJ)); |
| 3678 | OSMO_ASSERT(!expect_msg()); |
| 3679 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3680 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3681 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3682 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3683 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3684 | OSMO_ASSERT(link_info); |
| 3685 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3686 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3687 | /* Bad case: Re-Attach with wrong (initial) P-TMSI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3688 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3689 | foreign_tlli, &rai_bss, cell_id, |
| 3690 | GPRS_SAPI_GMM, bss_nu++, |
| 3691 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3692 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3693 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 3694 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3695 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3696 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3697 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3698 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3699 | OSMO_ASSERT(link_info); |
| 3700 | OSMO_ASSERT(link_info != link_info2); |
| 3701 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3702 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3703 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3704 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3705 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 3706 | foreign_tlli, &rai_bss, cell_id, |
| 3707 | GPRS_SAPI_GMM, bss_nu++, |
| 3708 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3709 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3710 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3711 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 3712 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3713 | |
| 3714 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3715 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3716 | OSMO_ASSERT(link_info); |
| 3717 | OSMO_ASSERT(link_info == link_info2); |
| 3718 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3719 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3720 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3721 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3722 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3723 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3724 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3725 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3726 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3727 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3728 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3729 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3730 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3731 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3732 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3733 | OSMO_ASSERT(link_info); |
| 3734 | OSMO_ASSERT(link_info == link_info2); |
Jacob Erlbeck | ea71b48 | 2014-09-22 09:28:27 +0200 | [diff] [blame] | 3735 | OSMO_ASSERT(link_info->imsi_len > 0); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3736 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3737 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3738 | local_tlli, &rai_bss, cell_id, |
| 3739 | GPRS_SAPI_GMM, bss_nu++, |
| 3740 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3741 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3742 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3743 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3744 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3745 | |
| 3746 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3747 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3748 | local_tlli, 1, imsi, sizeof(imsi), |
| 3749 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3750 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3751 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3752 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3753 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3754 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3755 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3756 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3757 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3758 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3759 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3760 | local_tlli, &rai_bss, cell_id, |
| 3761 | GPRS_SAPI_GMM, bss_nu++, |
| 3762 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3763 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3764 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3765 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3766 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3767 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3768 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3769 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3770 | OSMO_ASSERT(link_info); |
| 3771 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3772 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3773 | OSMO_ASSERT(!expect_msg()); |
| 3774 | |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3775 | /* Bad case: Re-Attach with local TLLI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3776 | send_llc_ul_ui(nsi, "ATTACH REQUEST (local TLLI)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3777 | local_tlli, &rai_bss, cell_id, |
| 3778 | GPRS_SAPI_GMM, bss_nu++, |
| 3779 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3780 | |
| 3781 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3782 | |
| 3783 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3784 | |
| 3785 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3786 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3787 | OSMO_ASSERT(link_info); |
| 3788 | OSMO_ASSERT(link_info == link_info2); |
| 3789 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3790 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3791 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3792 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_tlli); |
| 3793 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3794 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3795 | local_tlli, 1, imsi, sizeof(imsi), |
| 3796 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3797 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3798 | |
| 3799 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3800 | |
| 3801 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3802 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3803 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3804 | local_tlli, &rai_bss, cell_id, |
| 3805 | GPRS_SAPI_GMM, bss_nu++, |
| 3806 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3807 | |
| 3808 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3809 | |
| 3810 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3811 | |
| 3812 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3813 | send_llc_dl_ui(nsi, "DETACH REQ (re-attach)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3814 | local_tlli, 1, imsi, sizeof(imsi), |
| 3815 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3816 | dtap_mt_detach_rea_req, sizeof(dtap_mt_detach_rea_req)); |
| 3817 | |
| 3818 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3819 | |
| 3820 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3821 | |
| 3822 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3823 | OSMO_ASSERT(link_info); |
| 3824 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3825 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3826 | local_tlli, &rai_bss, cell_id, |
| 3827 | GPRS_SAPI_GMM, bss_nu++, |
| 3828 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3829 | |
| 3830 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3831 | OSMO_ASSERT(!expect_msg()); |
| 3832 | |
| 3833 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3834 | |
| 3835 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3836 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3837 | OSMO_ASSERT(link_info); |
| 3838 | OSMO_ASSERT(link_info->is_deregistered); |
| 3839 | |
| 3840 | /* Bad case: Unexpected Re-Attach with IMSI after completed attachment |
| 3841 | * procedure */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3842 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3843 | foreign_tlli, &rai_bss, cell_id, |
| 3844 | GPRS_SAPI_GMM, bss_nu++, |
| 3845 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3846 | |
| 3847 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3848 | |
| 3849 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3850 | |
| 3851 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3852 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3853 | OSMO_ASSERT(link_info); |
| 3854 | OSMO_ASSERT(link_info == link_info2); |
| 3855 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3856 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3857 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3858 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3859 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3860 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3861 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3862 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3863 | |
| 3864 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3865 | |
| 3866 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3867 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3868 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3869 | local_tlli, &rai_bss, cell_id, |
| 3870 | GPRS_SAPI_GMM, bss_nu++, |
| 3871 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3872 | |
| 3873 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3874 | |
| 3875 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3876 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3877 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3878 | local_tlli, 1, imsi, sizeof(imsi), |
| 3879 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3880 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3881 | |
| 3882 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 3883 | |
| 3884 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3885 | |
| 3886 | send_llc_ul_ui(nsi, "ATTACH REQUEST (unexpected, IMSI)", |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3887 | bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3888 | foreign_tlli, &rai_bss, cell_id, |
| 3889 | GPRS_SAPI_GMM, bss_nu++, |
| 3890 | dtap_attach_req4, sizeof(dtap_attach_req4)); |
| 3891 | |
| 3892 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3893 | |
| 3894 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3895 | |
| 3896 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3897 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
Jacob Erlbeck | 59ac49d | 2014-10-30 17:15:43 +0100 | [diff] [blame] | 3898 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3899 | OSMO_ASSERT(link_info == link_info2); |
| 3900 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3901 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3902 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 59ac49d | 2014-10-30 17:15:43 +0100 | [diff] [blame] | 3903 | OSMO_ASSERT(link_info->sgsn_tlli.current == foreign_tlli); |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3904 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
| 3905 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3906 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3907 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3908 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3909 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3910 | |
| 3911 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3912 | |
| 3913 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3914 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3915 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3916 | local_tlli, &rai_bss, cell_id, |
| 3917 | GPRS_SAPI_GMM, bss_nu++, |
| 3918 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3919 | |
| 3920 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3921 | |
| 3922 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3923 | |
| 3924 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3925 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3926 | local_tlli, 1, imsi, sizeof(imsi), |
| 3927 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3928 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3929 | |
| 3930 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3931 | |
| 3932 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3933 | |
| 3934 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3935 | OSMO_ASSERT(link_info); |
| 3936 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3937 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3938 | local_tlli, &rai_bss, cell_id, |
| 3939 | GPRS_SAPI_GMM, bss_nu++, |
| 3940 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3941 | |
| 3942 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3943 | OSMO_ASSERT(!expect_msg()); |
| 3944 | |
| 3945 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3946 | |
| 3947 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3948 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3949 | OSMO_ASSERT(link_info); |
| 3950 | OSMO_ASSERT(link_info->is_deregistered); |
| 3951 | |
| 3952 | /* Bad case: Unexpected Re-Attach with P-TMSI after completed attachment |
| 3953 | * procedure */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3954 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3955 | foreign_tlli, &rai_bss, cell_id, |
| 3956 | GPRS_SAPI_GMM, bss_nu++, |
| 3957 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3958 | |
| 3959 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3960 | |
| 3961 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3962 | |
| 3963 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3964 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3965 | OSMO_ASSERT(link_info); |
| 3966 | OSMO_ASSERT(link_info == link_info2); |
| 3967 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3968 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3969 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3970 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3971 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3972 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3973 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3974 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3975 | |
| 3976 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3977 | |
| 3978 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3979 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3980 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3981 | local_tlli, &rai_bss, cell_id, |
| 3982 | GPRS_SAPI_GMM, bss_nu++, |
| 3983 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3984 | |
| 3985 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3986 | |
| 3987 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3988 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3989 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3990 | local_tlli, 1, imsi, sizeof(imsi), |
| 3991 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3992 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3993 | |
| 3994 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 3995 | |
| 3996 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3997 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 3998 | send_llc_ul_ui(nsi, "ATTACH REQUEST (unexpected)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3999 | foreign_tlli, &rai_bss, cell_id, |
| 4000 | GPRS_SAPI_GMM, bss_nu++, |
| 4001 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 4002 | |
| 4003 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 4004 | |
| 4005 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4006 | |
| 4007 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4008 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
Jacob Erlbeck | 59ac49d | 2014-10-30 17:15:43 +0100 | [diff] [blame] | 4009 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4010 | OSMO_ASSERT(link_info == link_info2); |
| 4011 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 4012 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4013 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 59ac49d | 2014-10-30 17:15:43 +0100 | [diff] [blame] | 4014 | OSMO_ASSERT(link_info->sgsn_tlli.current == foreign_tlli); |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4015 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
| 4016 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4017 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4018 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 4019 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4020 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 4021 | |
| 4022 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 4023 | |
| 4024 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4025 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4026 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4027 | local_tlli, &rai_bss, cell_id, |
| 4028 | GPRS_SAPI_GMM, bss_nu++, |
| 4029 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 4030 | |
| 4031 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 4032 | |
| 4033 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4034 | |
| 4035 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4036 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4037 | local_tlli, 1, imsi, sizeof(imsi), |
| 4038 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4039 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 4040 | |
| 4041 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 4042 | |
| 4043 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4044 | |
| 4045 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 4046 | OSMO_ASSERT(link_info); |
| 4047 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4048 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4049 | local_tlli, &rai_bss, cell_id, |
| 4050 | GPRS_SAPI_GMM, bss_nu++, |
| 4051 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 4052 | |
| 4053 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 4054 | OSMO_ASSERT(!expect_msg()); |
| 4055 | |
| 4056 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4057 | |
| 4058 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 4059 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4060 | OSMO_ASSERT(link_info); |
| 4061 | OSMO_ASSERT(link_info->is_deregistered); |
| 4062 | |
| 4063 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4064 | /* Attach rejected */ |
| 4065 | |
| 4066 | gbproxy_delete_link_infos(peer); |
| 4067 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4068 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4069 | foreign_tlli, &rai_bss, cell_id, |
| 4070 | GPRS_SAPI_GMM, bss_nu++, |
| 4071 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 4072 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4073 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 4074 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4075 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4076 | |
| 4077 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4078 | OSMO_ASSERT(link_info); |
| 4079 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 4080 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4081 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 4082 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4083 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4084 | foreign_tlli, &rai_bss, cell_id, |
| 4085 | GPRS_SAPI_GMM, bss_nu++, |
| 4086 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 4087 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4088 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 4089 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4090 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4091 | |
| 4092 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4093 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4094 | OSMO_ASSERT(link_info); |
| 4095 | OSMO_ASSERT(link_info == link_info2); |
| 4096 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 4097 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4098 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 4099 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4100 | send_llc_dl_ui(nsi, "ATTACH REJECT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4101 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 4102 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4103 | dtap_attach_rej7, sizeof(dtap_attach_rej7)); |
| 4104 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4105 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_REJ)); |
| 4106 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4107 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4108 | |
Jacob Erlbeck | 9c65c81 | 2014-09-22 10:42:05 +0200 | [diff] [blame] | 4109 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, foreign_tlli)); |
| 4110 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4111 | OSMO_ASSERT(!expect_msg()); |
| 4112 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4113 | /* Attach (incomplete) and Detach (MO) */ |
| 4114 | |
| 4115 | gbproxy_delete_link_infos(peer); |
| 4116 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4117 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4118 | foreign_tlli, &rai_bss, cell_id, |
| 4119 | GPRS_SAPI_GMM, bss_nu++, |
| 4120 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 4121 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4122 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 4123 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4124 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4125 | |
| 4126 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4127 | OSMO_ASSERT(link_info); |
| 4128 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 4129 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4130 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 4131 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4132 | send_llc_ul_ui(nsi, "DETACH REQ (MO)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4133 | foreign_tlli, &rai_bss, cell_id, |
| 4134 | GPRS_SAPI_GMM, bss_nu++, |
| 4135 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 4136 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4137 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 4138 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4139 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4140 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4141 | OSMO_ASSERT(!expect_msg()); |
| 4142 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4143 | /* Attach (incomplete) and Detach (MT) */ |
| 4144 | |
| 4145 | gbproxy_delete_link_infos(peer); |
| 4146 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4147 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4148 | foreign_tlli, &rai_bss, cell_id, |
| 4149 | GPRS_SAPI_GMM, bss_nu++, |
| 4150 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 4151 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4152 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 4153 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4154 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4155 | |
| 4156 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4157 | OSMO_ASSERT(link_info); |
| 4158 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 4159 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4160 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 4161 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4162 | send_llc_dl_ui(nsi, "DETACH REQ (MT)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4163 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 4164 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4165 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 4166 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4167 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 4168 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4169 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4170 | |
| 4171 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4172 | OSMO_ASSERT(link_info); |
| 4173 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4174 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4175 | foreign_tlli, &rai_bss, cell_id, |
| 4176 | GPRS_SAPI_GMM, bss_nu++, |
| 4177 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 4178 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4179 | /* TODO: The stored messaged should be cleaned when receiving a Detach |
| 4180 | * Ack. Remove the first OSMO_ASSERT when this is fixed. */ |
| 4181 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 4182 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 4183 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4184 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4185 | |
| 4186 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, foreign_tlli)); |
| 4187 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4188 | OSMO_ASSERT(link_info); |
| 4189 | OSMO_ASSERT(link_info->is_deregistered); |
| 4190 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4191 | OSMO_ASSERT(!expect_msg()); |
| 4192 | received_messages = NULL; |
| 4193 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4194 | dump_global(stdout, 0); |
| 4195 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4196 | talloc_free(gbcfg.core_apn); |
| 4197 | gbcfg.core_apn = NULL; |
| 4198 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4199 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4200 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4201 | nsi = NULL; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 4202 | |
| 4203 | cleanup_test(); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4204 | } |
| 4205 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4206 | struct gbproxy_link_info *register_tlli( |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4207 | struct gbproxy_peer *peer, uint32_t tlli, |
| 4208 | const uint8_t *imsi, size_t imsi_len, time_t now) |
| 4209 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4210 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 4211 | int imsi_matches = -1; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4212 | int tlli_already_known = 0; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4213 | struct gbproxy_config *cfg = peer->cfg; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4214 | |
| 4215 | /* Check, whether the IMSI matches */ |
| 4216 | if (gprs_is_mi_imsi(imsi, imsi_len)) { |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4217 | imsi_matches = gbproxy_check_imsi( |
| 4218 | &cfg->matches[GBPROX_MATCH_PATCHING], imsi, imsi_len); |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 4219 | if (imsi_matches < 0) |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4220 | return NULL; |
| 4221 | } |
| 4222 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4223 | link_info = gbproxy_link_info_by_tlli(peer, tlli); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4224 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4225 | if (!link_info) { |
| 4226 | link_info = gbproxy_link_info_by_imsi(peer, imsi, imsi_len); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4227 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4228 | if (link_info) { |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4229 | /* TLLI has changed somehow, adjust it */ |
| 4230 | LOGP(DGPRS, LOGL_INFO, |
| 4231 | "The TLLI has changed from %08x to %08x\n", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4232 | link_info->tlli.current, tlli); |
| 4233 | link_info->tlli.current = tlli; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4234 | } |
| 4235 | } |
| 4236 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4237 | if (!link_info) { |
| 4238 | link_info = gbproxy_link_info_alloc(peer); |
| 4239 | link_info->tlli.current = tlli; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4240 | } else { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4241 | gbproxy_detach_link_info(peer, link_info); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4242 | tlli_already_known = 1; |
| 4243 | } |
| 4244 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4245 | OSMO_ASSERT(link_info != NULL); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4246 | |
| 4247 | if (!tlli_already_known) |
| 4248 | LOGP(DGPRS, LOGL_INFO, "Adding TLLI %08x to list\n", tlli); |
| 4249 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4250 | gbproxy_attach_link_info(peer, now, link_info); |
| 4251 | gbproxy_update_link_info(link_info, imsi, imsi_len); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4252 | |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 4253 | if (imsi_matches >= 0) |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4254 | link_info->is_matching[GBPROX_MATCH_PATCHING] = imsi_matches; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4255 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4256 | return link_info; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4257 | } |
| 4258 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4259 | static void test_gbproxy_tlli_expire(void) |
| 4260 | { |
| 4261 | struct gbproxy_config cfg = {0}; |
| 4262 | struct gbproxy_peer *peer; |
| 4263 | const char *err_msg = NULL; |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 4264 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI, 0x23, 0x24, 0x25, 0xf6 }; |
| 4265 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI, 0x26, 0x27, 0x28, 0xf9 }; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4266 | const uint8_t imsi3[] = { GSM_MI_TYPE_IMSI | 0x10, 0x32, 0x54, 0x76, 0xf8 }; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4267 | const uint32_t tlli1 = 1234 | 0xc0000000; |
| 4268 | const uint32_t tlli2 = 5678 | 0xc0000000; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4269 | const uint32_t tlli3 = 3456 | 0xc0000000; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4270 | const char *filter_re = ".*"; |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4271 | time_t now = 1407479214; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4272 | |
| 4273 | printf("Test TLLI info expiry\n\n"); |
| 4274 | |
| 4275 | gbproxy_init_config(&cfg); |
| 4276 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4277 | if (gbproxy_set_patch_filter(&cfg.matches[GBPROX_MATCH_PATCHING], |
| 4278 | filter_re, &err_msg) != 0) { |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4279 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 4280 | err_msg); |
| 4281 | OSMO_ASSERT(err_msg == NULL); |
| 4282 | } |
| 4283 | |
| 4284 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4285 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4286 | |
| 4287 | printf("Test TLLI replacement:\n"); |
| 4288 | |
| 4289 | cfg.tlli_max_len = 0; |
| 4290 | cfg.tlli_max_age = 0; |
| 4291 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4292 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4293 | |
| 4294 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4295 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4296 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4297 | OSMO_ASSERT(link_info); |
| 4298 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4299 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4300 | |
| 4301 | /* replace the old entry */ |
| 4302 | printf(" Add TLLI 2, IMSI 1 (should replace TLLI 1)\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4303 | link_info = register_tlli(peer, tlli2, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4304 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4305 | OSMO_ASSERT(link_info); |
| 4306 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4307 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4308 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4309 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4310 | |
| 4311 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4312 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4313 | OSMO_ASSERT(link_info); |
| 4314 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
| 4315 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4316 | OSMO_ASSERT(!link_info); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4317 | |
| 4318 | printf("\n"); |
| 4319 | |
| 4320 | gbproxy_peer_free(peer); |
| 4321 | } |
| 4322 | |
| 4323 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4324 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4325 | |
| 4326 | printf("Test IMSI replacement:\n"); |
| 4327 | |
| 4328 | cfg.tlli_max_len = 0; |
| 4329 | cfg.tlli_max_age = 0; |
| 4330 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4331 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4332 | |
| 4333 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4334 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4335 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4336 | OSMO_ASSERT(link_info); |
| 4337 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4338 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4339 | |
| 4340 | /* try to replace the old entry */ |
| 4341 | printf(" Add TLLI 1, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4342 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4343 | imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4344 | OSMO_ASSERT(link_info); |
| 4345 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4346 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4347 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4348 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4349 | |
| 4350 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4351 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4352 | OSMO_ASSERT(!link_info); |
| 4353 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4354 | OSMO_ASSERT(link_info); |
| 4355 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4356 | |
| 4357 | printf("\n"); |
| 4358 | |
| 4359 | gbproxy_peer_free(peer); |
| 4360 | } |
| 4361 | |
| 4362 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4363 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4364 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4365 | |
| 4366 | printf("Test TLLI expiry, max_len == 1:\n"); |
| 4367 | |
| 4368 | cfg.tlli_max_len = 1; |
| 4369 | cfg.tlli_max_age = 0; |
| 4370 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4371 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4372 | |
| 4373 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4374 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4375 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4376 | |
| 4377 | /* replace the old entry */ |
| 4378 | printf(" Add TLLI 2, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4379 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4380 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4381 | |
Jacob Erlbeck | 51fde08 | 2014-09-19 16:40:21 +0200 | [diff] [blame] | 4382 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 2); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4383 | OSMO_ASSERT(num_removed == 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4384 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4385 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4386 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4387 | |
| 4388 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4389 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4390 | OSMO_ASSERT(!link_info); |
| 4391 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4392 | OSMO_ASSERT(link_info); |
| 4393 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4394 | |
| 4395 | printf("\n"); |
| 4396 | |
| 4397 | gbproxy_peer_free(peer); |
| 4398 | } |
| 4399 | |
| 4400 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4401 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4402 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4403 | |
| 4404 | printf("Test TLLI expiry, max_age == 1:\n"); |
| 4405 | |
| 4406 | cfg.tlli_max_len = 0; |
| 4407 | cfg.tlli_max_age = 1; |
| 4408 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4409 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4410 | |
| 4411 | printf(" Add TLLI 1, IMSI 1 (should expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4412 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4413 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4414 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4415 | printf(" Add TLLI 2, IMSI 2 (should not expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4416 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4417 | now + 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4418 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4419 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4420 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4421 | OSMO_ASSERT(num_removed == 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4422 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4423 | |
| 4424 | dump_peers(stdout, 2, now + 2, &cfg); |
| 4425 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4426 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4427 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4428 | OSMO_ASSERT(!link_info); |
| 4429 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4430 | OSMO_ASSERT(link_info); |
| 4431 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4432 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4433 | printf("\n"); |
| 4434 | |
| 4435 | gbproxy_peer_free(peer); |
| 4436 | } |
| 4437 | |
| 4438 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4439 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4440 | int num_removed; |
| 4441 | |
| 4442 | printf("Test TLLI expiry, max_len == 2, max_age == 1:\n"); |
| 4443 | |
| 4444 | cfg.tlli_max_len = 0; |
| 4445 | cfg.tlli_max_age = 1; |
| 4446 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4447 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4448 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4449 | printf(" Add TLLI 1, IMSI 1 (should expire)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4450 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4451 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4452 | |
| 4453 | printf(" Add TLLI 2, IMSI 2 (should expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4454 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4455 | now + 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4456 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4457 | |
| 4458 | printf(" Add TLLI 3, IMSI 3 (should not expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4459 | register_tlli(peer, tlli3, imsi3, ARRAY_SIZE(imsi3), |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4460 | now + 2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4461 | OSMO_ASSERT(peer->patch_state.logical_link_count == 3); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4462 | |
| 4463 | dump_peers(stdout, 2, now + 2, &cfg); |
| 4464 | |
| 4465 | printf(" Remove stale TLLIs\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4466 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 3); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4467 | OSMO_ASSERT(num_removed == 2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4468 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4469 | |
| 4470 | dump_peers(stdout, 2, now + 2, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4471 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4472 | /* verify that tlli3 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4473 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4474 | OSMO_ASSERT(!link_info); |
| 4475 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4476 | OSMO_ASSERT(!link_info); |
| 4477 | link_info = gbproxy_link_info_by_imsi(peer, imsi3, ARRAY_SIZE(imsi3)); |
| 4478 | OSMO_ASSERT(link_info); |
| 4479 | OSMO_ASSERT(link_info->tlli.current == tlli3); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4480 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4481 | printf("\n"); |
| 4482 | |
| 4483 | gbproxy_peer_free(peer); |
| 4484 | } |
Jacob Erlbeck | 9ccc41e | 2014-09-25 11:21:34 +0200 | [diff] [blame] | 4485 | gbproxy_clear_patch_filter(&cfg.matches[GBPROX_MATCH_PATCHING]); |
| 4486 | gbprox_reset(&cfg); |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4487 | /* gbprox_reset() frees the rate_ctr, but re-allocates it again. */ |
| 4488 | rate_ctr_group_free(cfg.ctrg); |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 4489 | |
| 4490 | cleanup_test(); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4491 | } |
| 4492 | |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4493 | static void test_gbproxy_imsi_matching(void) |
| 4494 | { |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4495 | const char *err_msg = NULL; |
| 4496 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI | 0x10, 0x32, 0x54, 0xf6 }; |
| 4497 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 4498 | const uint8_t imsi3_bad[] = { GSM_MI_TYPE_IMSI | 0x10, 0xee, 0x54, 0xff }; |
| 4499 | const uint8_t tmsi1[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22, 0x33, 0x44 }; |
| 4500 | const uint8_t tmsi2_bad[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22 }; |
| 4501 | const uint8_t imei1[] = { GSM_MI_TYPE_IMEI | 0x10, 0x32, 0x54, 0xf6 }; |
| 4502 | const uint8_t imei2[] = { GSM_MI_TYPE_IMEI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 4503 | const char *filter_re1 = ".*"; |
| 4504 | const char *filter_re2 = "^1234"; |
| 4505 | const char *filter_re3 = "^4321"; |
| 4506 | const char *filter_re4_bad = "^12["; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4507 | struct gbproxy_match match = {0,}; |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4508 | |
| 4509 | printf("=== Test IMSI/TMSI matching ===\n\n"); |
| 4510 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4511 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4512 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4513 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re1, &err_msg) == 0); |
| 4514 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4515 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4516 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4517 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4518 | |
| 4519 | err_msg = NULL; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4520 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re4_bad, &err_msg) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4521 | OSMO_ASSERT(err_msg != NULL); |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4522 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4523 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4524 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4525 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4526 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4527 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, NULL, &err_msg) == 0); |
| 4528 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4529 | |
Jacob Erlbeck | 9a83d7a | 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 | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 4532 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4533 | gbproxy_clear_patch_filter(&match); |
| 4534 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 4535 | |
Jacob Erlbeck | 9a83d7a | 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 | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4538 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4539 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi1, ARRAY_SIZE(imsi1)) == 1); |
| 4540 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi2, ARRAY_SIZE(imsi2)) == 1); |
Neels Hofmeyr | b26a5a8 | 2020-05-29 16:53:23 +0200 | [diff] [blame] | 4541 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == -1); |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4542 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 4543 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 4544 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei1, ARRAY_SIZE(imei1)) == -1); |
| 4545 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4546 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4547 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re3, &err_msg) == 0); |
| 4548 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4549 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4550 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi1, ARRAY_SIZE(imsi1)) == 0); |
| 4551 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi2, ARRAY_SIZE(imsi2)) == 0); |
Neels Hofmeyr | b26a5a8 | 2020-05-29 16:53:23 +0200 | [diff] [blame] | 4552 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == -1); |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4553 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 4554 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 4555 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei1, ARRAY_SIZE(imei1)) == -1); |
| 4556 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4557 | |
| 4558 | /* TODO: Check correct length but wrong type with is_mi_tmsi */ |
Jacob Erlbeck | 9ccc41e | 2014-09-25 11:21:34 +0200 | [diff] [blame] | 4559 | |
| 4560 | gbproxy_clear_patch_filter(&match); |
| 4561 | OSMO_ASSERT(match.enable == 0); |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 4562 | |
| 4563 | cleanup_test(); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4564 | } |
| 4565 | |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4566 | static void test_gbproxy_stored_messages() |
| 4567 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4568 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4569 | struct gprs_ra_id rai_bss = |
| 4570 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 4571 | struct gprs_ra_id rai_unknown = |
| 4572 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 4573 | uint16_t cell_id = 0x1234; |
| 4574 | |
| 4575 | const uint32_t ptmsi = 0xefe2b700; |
| 4576 | const uint32_t local_tlli = 0xefe2b700; |
| 4577 | |
| 4578 | const uint32_t foreign_tlli1 = 0x8000dead; |
| 4579 | |
| 4580 | struct gbproxy_peer *peer; |
| 4581 | unsigned bss_nu = 0; |
| 4582 | unsigned sgsn_nu = 0; |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4583 | uint16_t bss_nsei[] = { 0x1000 }; |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4584 | |
| 4585 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 4586 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4587 | gbcfg.nsi = nsi; |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4588 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 4589 | gbcfg.core_plmn = (struct osmo_plmn_id){}; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4590 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4591 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 4592 | gbcfg.patch_ptmsi = 0; |
| 4593 | gbcfg.acquire_imsi = 1; |
| 4594 | gbcfg.keep_link_infos = 0; |
| 4595 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4596 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4597 | |
| 4598 | printf("=== %s ===\n", __func__); |
| 4599 | printf("--- Initialise SGSN ---\n\n"); |
| 4600 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4601 | connect_sgsn(nsi, SGSN_NSEI); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4602 | |
| 4603 | printf("--- Initialise BSS 1 ---\n\n"); |
| 4604 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4605 | setup_ns(nsi, bss_nsei[0]); |
| 4606 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4607 | |
| 4608 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 4609 | OSMO_ASSERT(peer != NULL); |
| 4610 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4611 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4612 | |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4613 | dump_global(stdout, 0); |
| 4614 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4615 | |
| 4616 | printf("--- Establish first LLC connection ---\n\n"); |
| 4617 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4618 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4619 | foreign_tlli1, &rai_unknown, cell_id, |
| 4620 | GPRS_SAPI_GMM, bss_nu++, |
| 4621 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 4622 | |
| 4623 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4624 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4625 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4626 | foreign_tlli1, 0, NULL, 0, |
| 4627 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4628 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 4629 | |
| 4630 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4631 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4632 | send_llc_ul_ui(nsi, "DETACH ACCEPT", bss_nsei[0], 0x1002, |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4633 | foreign_tlli1, &rai_bss, cell_id, |
| 4634 | GPRS_SAPI_GMM, bss_nu++, |
| 4635 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 4636 | |
| 4637 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4638 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4639 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4640 | foreign_tlli1, &rai_bss, cell_id, |
| 4641 | GPRS_SAPI_GMM, bss_nu++, |
| 4642 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 4643 | |
| 4644 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4645 | |
| 4646 | dump_global(stdout, 0); |
| 4647 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4648 | talloc_free(gbcfg.core_apn); |
| 4649 | gbcfg.core_apn = NULL; |
| 4650 | |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4651 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4652 | gprs_ns2_free(nsi); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4653 | nsi = NULL; |
| 4654 | |
| 4655 | cleanup_test(); |
| 4656 | } |
| 4657 | |
Stefan Sperling | aaa3e2b | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4658 | /* See OS#3178 "gbproxy: failed to parse invalid BSSGP-UNITDATA message" */ |
| 4659 | static void test_gbproxy_parse_bssgp_unitdata() |
| 4660 | { |
| 4661 | const char *hex = "0000239401e155cfea000004088872f4801018009c4000800e000601c0416c4338"; |
| 4662 | struct msgb *msg = msgb_alloc(1034, "bssgp_unitdata"); |
| 4663 | struct gprs_gb_parse_context parse_ctx; |
| 4664 | int rc; |
| 4665 | |
| 4666 | memset(&parse_ctx, 0, sizeof(parse_ctx)); |
| 4667 | |
| 4668 | OSMO_ASSERT(msg); |
| 4669 | msgb_bssgph(msg) = msg->head; |
| 4670 | msgb_put(msg, osmo_hexparse(hex, msg->head, msgb_tailroom(msg))); |
| 4671 | |
| 4672 | parse_ctx.to_bss = 0; |
| 4673 | parse_ctx.peer_nsei = msgb_nsei(msg); |
| 4674 | |
Stefan Sperling | aaa3e2b | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4675 | rc = gprs_gb_parse_bssgp(msg->data, msg->len, &parse_ctx); |
Stefan Sperling | 322643f | 2018-06-23 16:50:06 +0200 | [diff] [blame] | 4676 | if (!rc) |
| 4677 | fprintf(stderr, "%s: Test passed; Failed to parse invalid message %s\n", __func__, msgb_hexdump(msg)); |
| 4678 | else |
| 4679 | fprintf(stderr, "%s: Test failed; invalid message was accepted by parser: %s\n", __func__, msgb_hexdump(msg)); |
| 4680 | |
| 4681 | OSMO_ASSERT(!rc); |
| 4682 | |
| 4683 | /* Manually decoded message according to: |
| 4684 | ETSI TS 148 018 V10.6.0 (2012 07) 96 |
| 4685 | 3GPP TS 48.018 version 10.6.0 Release 10 |
| 4686 | Table 10.2.2: UL-UNITDATA PDU content |
| 4687 | |
| 4688 | 00 - PDU type UL-UNITDATA (ok) |
| 4689 | |
| 4690 | 11.3.35 Temporary logical link Identity (TLLI) |
| 4691 | 00 - TLLI[0] |
| 4692 | 23 - TLLI[1] |
| 4693 | 94 - TLLI[2] |
| 4694 | 01 - TLLI[3] |
| 4695 | TLLI == "00239401" |
| 4696 | |
| 4697 | e1 - QOS[0] (bit rate MSB) |
| 4698 | 55 - QOS[1] (bit rate LSB) |
| 4699 | bit rate = "57685" (57685*100000 bit/s per PBRG) |
| 4700 | cf - QOS[2] PBRG = 11 (bit rate is expressed in 100000 bit/s increments), |
| 4701 | C/R 0 (contains LLC ACK/SACK), |
| 4702 | T 0 (contains signalling), |
| 4703 | A 1 (radio if uses MAC/UNITDATA, |
| 4704 | Precedence 111 (reserved value) |
| 4705 | |
| 4706 | ea - CELL_ID[0] (TLV IEI: wrong, should be 0x08) |
| 4707 | 00 - CELL_ID[1] (length 1) |
| 4708 | 00 - CELL_ID[2] (length 2) |
| 4709 | lenth == 0 |
| 4710 | 04 -- CELL_ID[3] |
| 4711 | 08 -- CELL_ID[4] |
| 4712 | 88 -- CELL_ID[5] |
| 4713 | 72 -- CELL_ID[6] |
| 4714 | f4 -- CELL_ID[7] |
| 4715 | 80 -- CELL_ID[8] |
| 4716 | 10 -- CELL_DI[9] |
| 4717 | |
| 4718 | 18 -- QOSP[0] OoS Profile IEI |
| 4719 | not allowed in BSSGP Userdata |
| 4720 | 00 -- QOSP[1] |
| 4721 | 9c -- QOSP[2] |
| 4722 | 40 -- QOSP[3] |
| 4723 | 00 -- QOSP[4] |
| 4724 | |
| 4725 | 80 -- IEI for "E-UTRAN Inter RAT Handover Info" |
| 4726 | not allowed in BSSGP Userdata |
| 4727 | 0e -- length (14 bytes -- only 8 bytes remain) |
| 4728 | 00 06 01 c0 41 6c 43 38 */ |
Stefan Sperling | aaa3e2b | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4729 | |
| 4730 | msgb_free(msg); |
Stefan Sperling | 322643f | 2018-06-23 16:50:06 +0200 | [diff] [blame] | 4731 | |
| 4732 | cleanup_test(); |
Stefan Sperling | aaa3e2b | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4733 | } |
| 4734 | |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4735 | static struct log_info_cat gprs_categories[] = { |
| 4736 | [DGPRS] = { |
| 4737 | .name = "DGPRS", |
| 4738 | .description = "GPRS Packet Service", |
| 4739 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 4740 | }, |
| 4741 | [DNS] = { |
| 4742 | .name = "DNS", |
| 4743 | .description = "GPRS Network Service (NS)", |
| 4744 | .enabled = 1, .loglevel = LOGL_INFO, |
| 4745 | }, |
| 4746 | [DBSSGP] = { |
| 4747 | .name = "DBSSGP", |
| 4748 | .description = "GPRS BSS Gateway Protocol (BSSGP)", |
| 4749 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 4750 | }, |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4751 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4752 | |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4753 | static struct log_info info = { |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4754 | .cat = gprs_categories, |
| 4755 | .num_cat = ARRAY_SIZE(gprs_categories), |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4756 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4757 | |
| 4758 | int main(int argc, char **argv) |
| 4759 | { |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4760 | talloc_enable_leak_report(); |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4761 | tall_sgsn_ctx = talloc_named_const(NULL, 0, "gbproxy_test"); |
| 4762 | void *log_ctx = talloc_named_const(tall_sgsn_ctx, 0, "log"); |
Neels Hofmeyr | 4c2d4ab | 2016-09-16 02:31:17 +0200 | [diff] [blame] | 4763 | |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4764 | msgb_talloc_ctx_init(tall_sgsn_ctx, 0); |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4765 | |
| 4766 | osmo_init_logging2(log_ctx, &info); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4767 | log_set_use_color(osmo_stderr_target, 0); |
| 4768 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4769 | log_set_log_level(osmo_stderr_target, LOGL_DEBUG); |
| 4770 | log_set_all_filter(osmo_stderr_target, 1); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4771 | |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4772 | rate_ctr_init(tall_sgsn_ctx); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4773 | |
| 4774 | setlinebuf(stdout); |
| 4775 | |
| 4776 | printf("===== GbProxy test START\n"); |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 4777 | gbproxy_init_config(&gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4778 | test_gbproxy(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4779 | test_gbproxy_ident_changes(); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame] | 4780 | test_gbproxy_ra_patching(); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4781 | test_gbproxy_imsi_matching(); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 4782 | test_gbproxy_ptmsi_assignment(); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 4783 | test_gbproxy_ptmsi_patching(); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 4784 | test_gbproxy_ptmsi_patching_bad_cases(); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 4785 | test_gbproxy_imsi_acquisition(); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 4786 | test_gbproxy_secondary_sgsn(); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4787 | test_gbproxy_keep_info(); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4788 | test_gbproxy_tlli_expire(); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4789 | test_gbproxy_stored_messages(); |
Stefan Sperling | aaa3e2b | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4790 | test_gbproxy_parse_bssgp_unitdata(); |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4791 | gbprox_reset(&gbcfg); |
| 4792 | /* gbprox_reset() frees the rate_ctr, but re-allocates it again. */ |
| 4793 | rate_ctr_group_free(gbcfg.ctrg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4794 | printf("===== GbProxy test END\n\n"); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4795 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4796 | talloc_free(log_ctx); |
| 4797 | /* expecting root and msgb ctx, empty */ |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4798 | OSMO_ASSERT(talloc_total_blocks(tall_sgsn_ctx) == 2); |
| 4799 | talloc_free(tall_sgsn_ctx); |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4800 | |
| 4801 | return 0; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4802 | } |