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); |
| 508 | talloc_free(msg); |
| 509 | } |
| 510 | static int gbprox_test_bssgp_send_cb(void *ctx, struct msgb *msg); |
| 511 | |
| 512 | /* wrap */ |
| 513 | int gprs_ns2_recv_prim(struct gprs_ns2_inst *nsi, struct osmo_prim_hdr *oph) |
| 514 | { |
| 515 | struct osmo_gprs_ns2_prim *nsp; |
| 516 | |
| 517 | if (oph->sap != SAP_NS) |
| 518 | return 0; |
| 519 | |
| 520 | nsp = container_of(oph, struct osmo_gprs_ns2_prim, oph); |
| 521 | |
| 522 | if (oph->operation != PRIM_OP_REQUEST) { |
| 523 | LOGP(DPCU, LOGL_NOTICE, "NS: %s Unknown prim %d from NS\n", |
| 524 | get_value_string(osmo_prim_op_names, oph->operation), |
| 525 | oph->operation); |
| 526 | return 0; |
| 527 | } |
| 528 | |
| 529 | switch (oph->primitive) { |
| 530 | case PRIM_NS_UNIT_DATA: |
| 531 | /* hand the message into the BSSGP implementation */ |
| 532 | msgb_bssgph(oph->msg) = oph->msg->l3h; |
| 533 | msgb_bvci(oph->msg) = nsp->bvci; |
| 534 | msgb_nsei(oph->msg) = nsp->nsei; |
| 535 | printf("NS2 UD REQUEST, prim %d, msg length %zu, bvci 0x%04x\n%s\n\n", |
| 536 | oph->primitive, msgb_bssgp_len(oph->msg), nsp->bvci, |
| 537 | osmo_hexdump(msgb_l3(oph->msg), msgb_l3len(oph->msg))); |
| 538 | return gbprox_test_bssgp_send_cb(&gbcfg, oph->msg); |
| 539 | break; |
| 540 | default: |
| 541 | printf("NS2 REQUEST, prim %d, bvci 0x%04x\n\n", |
| 542 | oph->primitive, nsp->bvci); |
| 543 | |
| 544 | break; |
| 545 | } |
| 546 | return 0; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 547 | } |
| 548 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 549 | static void send_bssgp_ul_unitdata( |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 550 | struct gprs_ns2_inst *nsi, const char *text, |
| 551 | uint16_t nsei, uint16_t nsbvci, uint32_t tlli, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 552 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 553 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 554 | { |
| 555 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 556 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 557 | unsigned char msg[4096] = { |
| 558 | 0x01, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, |
| 559 | 0x08, 0x88, /* RAI */ 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 560 | /* CELL ID */ 0x00, 0x00, 0x00, 0x80, 0x0e, /* LLC LEN */ 0x00, 0x00, |
| 561 | }; |
| 562 | |
| 563 | size_t bssgp_msg_size = 23 + llc_msg_size; |
| 564 | |
| 565 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg)); |
| 566 | |
Max | 25c65c3 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 567 | gsm48_encode_ra((struct gsm48_ra_id *)(msg + 10), raid); |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 568 | msg[1] = (uint8_t)(tlli >> 24); |
| 569 | msg[2] = (uint8_t)(tlli >> 16); |
| 570 | msg[3] = (uint8_t)(tlli >> 8); |
| 571 | msg[4] = (uint8_t)(tlli >> 0); |
| 572 | msg[16] = cell_id / 256; |
| 573 | msg[17] = cell_id % 256; |
| 574 | msg[21] = llc_msg_size / 256; |
| 575 | msg[22] = llc_msg_size % 256; |
| 576 | memcpy(msg + 23, llc_msg, llc_msg_size); |
| 577 | |
| 578 | send_ns_unitdata(nsi, text ? text : "BSSGP UL UNITDATA", |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 579 | nsei, nsbvci, msg, bssgp_msg_size); |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 580 | } |
| 581 | |
| 582 | static void send_bssgp_dl_unitdata( |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 583 | struct gprs_ns2_inst *nsi, const char *text, |
| 584 | uint16_t nsei, uint16_t nsbvci, uint32_t tlli, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 585 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 586 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 587 | { |
| 588 | /* Base Station Subsystem GPRS Protocol: DL_UNITDATA */ |
| 589 | unsigned char msg[4096] = { |
| 590 | 0x00, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x20, |
| 591 | 0x16, 0x82, 0x02, 0x58, |
| 592 | }; |
| 593 | unsigned char racap_drx[] = { |
| 594 | 0x13, 0x99, 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, |
| 595 | 0x62, 0x00, 0x60, 0x80, 0x9a, 0xc2, 0xc6, 0x62, |
| 596 | 0x00, 0x60, 0x80, 0xba, 0xc8, 0xc6, 0x62, 0x00, |
| 597 | 0x60, 0x80, 0x00, 0x0a, 0x82, 0x08, 0x02 |
| 598 | }; |
| 599 | |
| 600 | size_t bssgp_msg_size = 0; |
| 601 | |
| 602 | OSMO_ASSERT(51 + imsi_size + llc_msg_size <= sizeof(msg)); |
| 603 | |
| 604 | msg[1] = (uint8_t)(tlli >> 24); |
| 605 | msg[2] = (uint8_t)(tlli >> 16); |
| 606 | msg[3] = (uint8_t)(tlli >> 8); |
| 607 | msg[4] = (uint8_t)(tlli >> 0); |
| 608 | |
| 609 | bssgp_msg_size = 12; |
| 610 | |
| 611 | if (with_racap_drx) { |
| 612 | memcpy(msg + bssgp_msg_size, racap_drx, sizeof(racap_drx)); |
| 613 | bssgp_msg_size += sizeof(racap_drx); |
| 614 | } |
| 615 | |
| 616 | if (imsi) { |
| 617 | OSMO_ASSERT(imsi_size <= 127); |
| 618 | msg[bssgp_msg_size] = BSSGP_IE_IMSI; |
| 619 | msg[bssgp_msg_size + 1] = 0x80 | imsi_size; |
| 620 | memcpy(msg + bssgp_msg_size + 2, imsi, imsi_size); |
| 621 | bssgp_msg_size += 2 + imsi_size; |
| 622 | } |
| 623 | |
| 624 | if ((bssgp_msg_size % 4) != 0) { |
| 625 | size_t abytes = (4 - (bssgp_msg_size + 2) % 4) % 4; |
| 626 | msg[bssgp_msg_size] = BSSGP_IE_ALIGNMENT; |
| 627 | msg[bssgp_msg_size + 1] = 0x80 | abytes; |
| 628 | memset(msg + bssgp_msg_size + 2, 0, abytes); |
| 629 | bssgp_msg_size += 2 + abytes; |
| 630 | } |
| 631 | |
| 632 | msg[bssgp_msg_size] = BSSGP_IE_LLC_PDU; |
| 633 | if (llc_msg_size < 128) { |
| 634 | msg[bssgp_msg_size + 1] = 0x80 | llc_msg_size; |
| 635 | bssgp_msg_size += 2; |
| 636 | } else { |
| 637 | msg[bssgp_msg_size + 1] = llc_msg_size / 256; |
| 638 | msg[bssgp_msg_size + 2] = llc_msg_size % 256; |
| 639 | bssgp_msg_size += 3; |
| 640 | } |
| 641 | memcpy(msg + bssgp_msg_size, llc_msg, llc_msg_size); |
| 642 | bssgp_msg_size += llc_msg_size; |
| 643 | |
| 644 | |
| 645 | send_ns_unitdata(nsi, text ? text : "BSSGP DL UNITDATA", |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 646 | nsei, nsbvci, msg, bssgp_msg_size); |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 647 | } |
| 648 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 649 | static void send_bssgp_reset(struct gprs_ns2_inst *nsi, |
| 650 | uint16_t nsei, uint16_t bvci) |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 651 | { |
| 652 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 653 | * BSSGP RESET */ |
Jacob Erlbeck | da4b492 | 2014-08-06 12:38:10 +0200 | [diff] [blame] | 654 | unsigned char msg[18] = { |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 655 | 0x22, 0x04, 0x82, 0x4a, |
Jacob Erlbeck | def0391 | 2014-06-02 10:48:59 +0200 | [diff] [blame] | 656 | 0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x11, 0x22, |
| 657 | 0x33, 0x40, 0x50, 0x60, 0x10, 0x00 |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 658 | }; |
| 659 | |
| 660 | msg[3] = bvci / 256; |
| 661 | msg[4] = bvci % 256; |
| 662 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 663 | send_ns_unitdata(nsi, "BVC_RESET", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 664 | } |
| 665 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 666 | static void send_bssgp_reset_ack(struct gprs_ns2_inst *nsi, |
| 667 | uint16_t nsei, uint16_t bvci) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 668 | { |
| 669 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 670 | * BSSGP RESET_ACK */ |
| 671 | static unsigned char msg[5] = { |
| 672 | 0x23, 0x04, 0x82, 0x00, |
| 673 | 0x00 |
| 674 | }; |
| 675 | |
| 676 | msg[3] = bvci / 256; |
| 677 | msg[4] = bvci % 256; |
| 678 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 679 | send_ns_unitdata(nsi, "BVC_RESET_ACK", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 680 | } |
| 681 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 682 | static void send_bssgp_suspend(struct gprs_ns2_inst *nsi, |
| 683 | uint16_t nsei, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 684 | uint32_t tlli, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 685 | struct gprs_ra_id *raid) |
| 686 | { |
| 687 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 688 | unsigned char msg[15] = { |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 689 | 0x0b, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 690 | 0x86, /* RAI */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 691 | }; |
| 692 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 693 | msg[3] = (uint8_t)(tlli >> 24); |
| 694 | msg[4] = (uint8_t)(tlli >> 16); |
| 695 | msg[5] = (uint8_t)(tlli >> 8); |
| 696 | msg[6] = (uint8_t)(tlli >> 0); |
| 697 | |
Max | 25c65c3 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 698 | gsm48_encode_ra((struct gsm48_ra_id *)(msg + 9), raid); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 699 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 700 | send_ns_unitdata(nsi, "BVC_SUSPEND", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 701 | } |
| 702 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 703 | static void send_bssgp_suspend_ack(struct gprs_ns2_inst *nsi, |
| 704 | uint16_t nsei, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 705 | uint32_t tlli, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 706 | struct gprs_ra_id *raid) |
| 707 | { |
| 708 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND ACK */ |
| 709 | unsigned char msg[18] = { |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 710 | 0x0c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 711 | 0x86, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1d, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 712 | 0x81, 0x01 |
| 713 | }; |
| 714 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 715 | msg[3] = (uint8_t)(tlli >> 24); |
| 716 | msg[4] = (uint8_t)(tlli >> 16); |
| 717 | msg[5] = (uint8_t)(tlli >> 8); |
| 718 | msg[6] = (uint8_t)(tlli >> 0); |
| 719 | |
Max | 25c65c3 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 720 | gsm48_encode_ra((struct gsm48_ra_id *)(msg + 9), raid); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 721 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 722 | send_ns_unitdata(nsi, "BVC_SUSPEND_ACK", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 723 | } |
| 724 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 725 | static void send_bssgp_llc_discarded(struct gprs_ns2_inst *nsi, |
| 726 | uint16_t nsei, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 727 | uint16_t bvci, uint32_t tlli, |
| 728 | unsigned n_frames, unsigned n_octets) |
| 729 | { |
| 730 | /* Base Station Subsystem GPRS Protocol: LLC-DISCARDED (0x2c) */ |
| 731 | unsigned char msg[] = { |
| 732 | 0x2c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x0f, |
| 733 | 0x81, /* n frames */ 0xff, 0x04, 0x82, /* BVCI */ 0xff, 0xff, 0x25, 0x83, |
| 734 | /* n octets */ 0xff, 0xff, 0xff |
| 735 | }; |
| 736 | |
| 737 | msg[3] = (uint8_t)(tlli >> 24); |
| 738 | msg[4] = (uint8_t)(tlli >> 16); |
| 739 | msg[5] = (uint8_t)(tlli >> 8); |
| 740 | msg[6] = (uint8_t)(tlli >> 0); |
| 741 | msg[9] = (uint8_t)(n_frames); |
| 742 | msg[12] = (uint8_t)(bvci >> 8); |
| 743 | msg[13] = (uint8_t)(bvci >> 0); |
| 744 | msg[16] = (uint8_t)(n_octets >> 16); |
| 745 | msg[17] = (uint8_t)(n_octets >> 8); |
| 746 | msg[18] = (uint8_t)(n_octets >> 0); |
| 747 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 748 | send_ns_unitdata(nsi, "LLC_DISCARDED", nsei, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 749 | } |
| 750 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 751 | static void send_bssgp_paging(struct gprs_ns2_inst *nsi, |
| 752 | uint16_t nsei, |
Jacob Erlbeck | c37ef6c | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 753 | const uint8_t *imsi, size_t imsi_size, |
| 754 | struct gprs_ra_id *raid, uint32_t ptmsi) |
| 755 | { |
| 756 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 757 | unsigned char msg[100] = { |
| 758 | 0x06, |
| 759 | }; |
| 760 | |
| 761 | const unsigned char drx_ie[] = {0x0a, 0x82, 0x07, 0x04}; |
| 762 | const unsigned char qos_ie[] = {0x18, 0x83, 0x00, 0x00, 0x00}; |
| 763 | |
| 764 | size_t bssgp_msg_size = 1; |
| 765 | |
| 766 | if (imsi) { |
| 767 | OSMO_ASSERT(imsi_size <= 127); |
| 768 | msg[bssgp_msg_size] = BSSGP_IE_IMSI; |
| 769 | msg[bssgp_msg_size + 1] = 0x80 | imsi_size; |
| 770 | memcpy(msg + bssgp_msg_size + 2, imsi, imsi_size); |
| 771 | bssgp_msg_size += 2 + imsi_size; |
| 772 | } |
| 773 | |
| 774 | memcpy(msg + bssgp_msg_size, drx_ie, sizeof(drx_ie)); |
| 775 | bssgp_msg_size += sizeof(drx_ie); |
| 776 | |
| 777 | if (raid) { |
| 778 | msg[bssgp_msg_size] = BSSGP_IE_ROUTEING_AREA; |
| 779 | msg[bssgp_msg_size+1] = 0x86; |
Max | 25c65c3 | 2018-01-08 14:43:53 +0100 | [diff] [blame] | 780 | 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] | 781 | bssgp_msg_size += 8; |
| 782 | } |
| 783 | |
| 784 | memcpy(msg + bssgp_msg_size, qos_ie, sizeof(qos_ie)); |
| 785 | bssgp_msg_size += sizeof(qos_ie); |
| 786 | |
| 787 | if (ptmsi != GSM_RESERVED_TMSI) { |
| 788 | const uint32_t ptmsi_be = htonl(ptmsi); |
| 789 | msg[bssgp_msg_size] = BSSGP_IE_TMSI; |
| 790 | msg[bssgp_msg_size+1] = 0x84; |
| 791 | memcpy(msg + bssgp_msg_size + 2, &ptmsi_be, 4); |
| 792 | bssgp_msg_size += 6; |
| 793 | } |
| 794 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 795 | send_ns_unitdata(nsi, "PAGING_PS", nsei, 0, msg, bssgp_msg_size); |
Jacob Erlbeck | c37ef6c | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 796 | } |
| 797 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 798 | static void send_bssgp_flow_control_bvc(struct gprs_ns2_inst *nsi, |
| 799 | uint16_t nsei, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 800 | uint16_t bvci, uint8_t tag) |
| 801 | { |
| 802 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 803 | * BSSGP FLOW_CONTROL_BVC */ |
| 804 | unsigned char msg[] = { |
| 805 | 0x26, 0x1e, 0x81, /* Tag */ 0xff, 0x05, 0x82, 0x01, 0xdc, |
| 806 | 0x03, 0x82, 0x02, 0x76, 0x01, 0x82, 0x00, 0x50, |
| 807 | 0x1c, 0x82, 0x02, 0x58, 0x06, 0x82, 0x00, 0x03 |
| 808 | }; |
| 809 | |
| 810 | msg[3] = tag; |
| 811 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 812 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC", nsei, bvci, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 813 | msg, sizeof(msg)); |
| 814 | } |
| 815 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 816 | static void send_bssgp_flow_control_bvc_ack(struct gprs_ns2_inst *nsi, |
| 817 | uint16_t nsei, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 818 | uint16_t bvci, uint8_t tag) |
| 819 | { |
| 820 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 821 | * BSSGP FLOW_CONTROL_BVC_ACK */ |
| 822 | unsigned char msg[] = { |
| 823 | 0x27, 0x1e, 0x81, /* Tag */ 0xce |
| 824 | }; |
| 825 | |
| 826 | msg[3] = tag; |
| 827 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 828 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC_ACK", nsei, bvci, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 829 | msg, sizeof(msg)); |
| 830 | } |
| 831 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 832 | static void send_llc_ul_ui( |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 833 | struct gprs_ns2_inst *nsi, const char *text, |
| 834 | uint16_t nsei, uint16_t nsbvci, uint32_t tlli, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 835 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 836 | unsigned sapi, unsigned nu, |
| 837 | const uint8_t *msg, size_t msg_size) |
| 838 | { |
| 839 | unsigned char llc_msg[4096] = { |
| 840 | 0x00, 0xc0, 0x01 |
| 841 | }; |
| 842 | |
| 843 | size_t llc_msg_size = 3 + msg_size + 3; |
| 844 | uint8_t e_bit = 0; |
| 845 | uint8_t pm_bit = 1; |
| 846 | unsigned fcs; |
| 847 | |
| 848 | nu &= 0x01ff; |
| 849 | |
| 850 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 851 | |
| 852 | llc_msg[0] = (sapi & 0x0f); |
| 853 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 854 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 855 | |
| 856 | memcpy(llc_msg + 3, msg, msg_size); |
| 857 | |
| 858 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 859 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 860 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 861 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 862 | |
| 863 | send_bssgp_ul_unitdata(nsi, text ? text : "LLC UI", |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 864 | nsei, nsbvci, tlli, raid, cell_id, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 865 | llc_msg, llc_msg_size); |
| 866 | } |
| 867 | |
| 868 | static void send_llc_dl_ui( |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 869 | struct gprs_ns2_inst *nsi, const char *text, |
| 870 | uint16_t nsei, uint16_t nsbvci, uint32_t tlli, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 871 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 872 | unsigned sapi, unsigned nu, |
| 873 | const uint8_t *msg, size_t msg_size) |
| 874 | { |
| 875 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 876 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 877 | unsigned char llc_msg[4096] = { |
| 878 | 0x00, 0x00, 0x01 |
| 879 | }; |
| 880 | |
| 881 | size_t llc_msg_size = 3 + msg_size + 3; |
| 882 | uint8_t e_bit = 0; |
| 883 | uint8_t pm_bit = 1; |
| 884 | unsigned fcs; |
| 885 | |
| 886 | nu &= 0x01ff; |
| 887 | |
| 888 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 889 | |
| 890 | llc_msg[0] = 0x40 | (sapi & 0x0f); |
| 891 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 892 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 893 | |
| 894 | memcpy(llc_msg + 3, msg, msg_size); |
| 895 | |
| 896 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 897 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 898 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 899 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 900 | |
| 901 | send_bssgp_dl_unitdata(nsi, text ? text : "LLC UI", |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 902 | nsei, nsbvci, tlli, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 903 | with_racap_drx, imsi, imsi_size, |
| 904 | llc_msg, llc_msg_size); |
| 905 | } |
| 906 | |
| 907 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 908 | /* STATUS indications */ |
| 909 | static void send_ns_avail(struct gprs_ns2_inst *nsi, |
| 910 | uint16_t sgsn_nsei) |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 911 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 912 | struct osmo_gprs_ns2_prim nsp = {}; |
| 913 | nsp.nsei = sgsn_nsei; |
| 914 | nsp.bvci = 0; |
| 915 | nsp.u.status.cause = NS_AFF_CAUSE_RECOVERY; |
| 916 | nsp.u.status.transfer = -1; |
| 917 | nsp.u.status.first = true; |
| 918 | osmo_prim_init(&nsp.oph, SAP_NS, PRIM_NS_STATUS, |
| 919 | PRIM_OP_INDICATION, NULL); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 920 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 921 | gprs_ns2_callback(&nsp.oph, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 922 | } |
| 923 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 924 | static void setup_ns(struct gprs_ns2_inst *nsi, |
| 925 | uint16_t nsei) |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 926 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 927 | printf("Setup NS-VC: " |
| 928 | "NSEI 0x%04x(%d)\n\n", |
| 929 | nsei, nsei); |
| 930 | send_ns_avail(nsi, nsei); |
| 931 | } |
| 932 | |
| 933 | static void setup_bssgp(struct gprs_ns2_inst *nsi, |
| 934 | uint16_t nsei, uint16_t bvci) |
| 935 | { |
| 936 | printf("Setup BSSGP: " |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 937 | "BVCI 0x%04x(%d)\n\n", |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 938 | bvci, bvci); |
| 939 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 940 | send_bssgp_reset(nsi, nsei, bvci); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 941 | } |
| 942 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 943 | static void connect_sgsn(struct gprs_ns2_inst *nsi, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 944 | uint32_t sgsn_nsei) |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 945 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 946 | send_ns_avail(nsi, sgsn_nsei); |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 947 | } |
| 948 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 949 | /* Function used to send a BSSGP message through NS */ |
| 950 | 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] | 951 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 952 | int rc; |
| 953 | struct gbproxy_config *cfg = (struct gbproxy_config *) ctx; |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 954 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 955 | uint16_t nsei = msgb_nsei(msg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 956 | uint16_t bvci = msgb_bvci(msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 957 | |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 958 | if (received_messages) { |
| 959 | struct msgb *msg_copy; |
Pau Espin Pedrol | 816a67d | 2018-08-15 13:53:48 +0200 | [diff] [blame] | 960 | msg_copy = bssgp_msgb_copy(msg, "received_messages"); |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 961 | llist_add_tail(&msg_copy->list, received_messages); |
| 962 | } |
| 963 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 964 | if (nsei == cfg->nsip_sgsn_nsei) |
| 965 | printf("Message for SGSN"); |
| 966 | else if (nsei == cfg->nsip_sgsn2_nsei) |
| 967 | printf("Message for SGSN2"); |
| 968 | else |
| 969 | printf("Message for BSS"); |
| 970 | printf(" (NSEI=%d BVCI=%d):\n%s\n\n", nsei, bvci, msgb_hexdump(msg)); |
| 971 | |
| 972 | rc = msgb_length(msg); |
| 973 | msgb_free(msg); |
| 974 | |
| 975 | return rc; |
| 976 | } |
| 977 | |
| 978 | static void gprs_ns2_test_prim_status_cb(struct gbproxy_config *cfg, struct osmo_gprs_ns2_prim *nsp) |
| 979 | { |
| 980 | enum gprs_ns2_affecting_cause cause = nsp->u.status.cause; |
| 981 | |
| 982 | switch (cause) { |
| 983 | case NS_AFF_CAUSE_RECOVERY: |
| 984 | LOGP(DPCU, LOGL_NOTICE, "NS-NSE %d became available\n", nsp->nsei); |
| 985 | break; |
| 986 | case NS_AFF_CAUSE_FAILURE: |
| 987 | LOGP(DPCU, LOGL_NOTICE, "NS-NSE %d became unavailable\n", nsp->nsei); |
| 988 | break; |
| 989 | case NS_AFF_CAUSE_VC_RECOVERY: |
| 990 | LOGP(DPCU, LOGL_NOTICE, "NS-NSE %d NS-VC %s became available\n", nsp->nsei, nsp->u.status.nsvc); |
| 991 | break; |
| 992 | case NS_AFF_CAUSE_VC_FAILURE: |
| 993 | LOGP(DPCU, LOGL_NOTICE, "NS-NSE %d NS-VC %s became unavailable\n", nsp->nsei, nsp->u.status.nsvc); |
| 994 | break; |
| 995 | default: |
| 996 | LOGP(DPCU, LOGL_NOTICE, "Unhandled status %d (NS-NSE %d)\n", cause, nsp->nsei); |
| 997 | break; |
| 998 | } |
| 999 | } |
| 1000 | |
| 1001 | int gprs_ns2_prim_cb(struct osmo_prim_hdr *oph, void *ctx); |
| 1002 | |
| 1003 | /* override */ |
| 1004 | static int gprs_ns2_callback(struct osmo_prim_hdr *oph, void *ctx) |
| 1005 | { |
| 1006 | struct osmo_gprs_ns2_prim *nsp; |
| 1007 | struct gbproxy_config *cfg = (struct gbproxy_config *) ctx; |
| 1008 | |
| 1009 | if (oph->sap != SAP_NS) |
| 1010 | return 0; |
| 1011 | |
| 1012 | nsp = container_of(oph, struct osmo_gprs_ns2_prim, oph); |
| 1013 | |
| 1014 | if (oph->operation != PRIM_OP_INDICATION) { |
| 1015 | LOGP(DPCU, LOGL_NOTICE, "NS: %s Unknown prim %d from NS\n", |
| 1016 | get_value_string(osmo_prim_op_names, oph->operation), |
| 1017 | oph->operation); |
| 1018 | return 0; |
| 1019 | } |
| 1020 | |
| 1021 | switch (oph->primitive) { |
| 1022 | case PRIM_NS_UNIT_DATA: |
| 1023 | /* hand the message into the BSSGP implementation */ |
| 1024 | msgb_bssgph(oph->msg) = oph->msg->l3h; |
| 1025 | msgb_bvci(oph->msg) = nsp->bvci; |
| 1026 | msgb_nsei(oph->msg) = nsp->nsei; |
| 1027 | printf("NS2 CALLBACK, prim %d, msg length %zu, bvci 0x%04x\n%s\n\n", |
| 1028 | oph->primitive, msgb_bssgp_len(oph->msg), nsp->bvci, |
| 1029 | osmo_hexdump(msgb_l2(oph->msg), msgb_l2len(oph->msg))); |
| 1030 | break; |
| 1031 | case PRIM_NS_STATUS: |
| 1032 | gprs_ns2_test_prim_status_cb(cfg, nsp); |
| 1033 | default: |
| 1034 | printf("NS2 CALLBACK, prim %d, bvci 0x%04x\n\n", |
| 1035 | oph->primitive, nsp->bvci); |
| 1036 | |
| 1037 | break; |
| 1038 | } |
| 1039 | |
| 1040 | /* Hand off to gbproxy */ |
| 1041 | return gprs_ns2_prim_cb(oph, ctx); |
| 1042 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1043 | } |
| 1044 | |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 1045 | /* Get the next message from the receive FIFO |
| 1046 | * |
| 1047 | * \returns a pointer to the message which will be invalidated at the next call |
| 1048 | * to expect_msg. Returns NULL, if there is no message left. |
| 1049 | */ |
| 1050 | static struct msgb *expect_msg(void) |
| 1051 | { |
| 1052 | static struct msgb *msg = NULL; |
| 1053 | |
| 1054 | msgb_free(msg); |
| 1055 | msg = NULL; |
| 1056 | |
| 1057 | if (!received_messages) |
| 1058 | return NULL; |
| 1059 | |
| 1060 | if (llist_empty(received_messages)) |
| 1061 | return NULL; |
| 1062 | |
| 1063 | msg = llist_entry(received_messages->next, struct msgb, list); |
| 1064 | llist_del(&msg->list); |
| 1065 | |
| 1066 | return msg; |
| 1067 | } |
| 1068 | |
| 1069 | struct expect_result { |
| 1070 | struct msgb *msg; |
| 1071 | struct gprs_gb_parse_context parse_ctx; |
| 1072 | }; |
| 1073 | |
| 1074 | static struct expect_result *expect_bssgp_msg( |
| 1075 | int match_nsei, int match_bvci, int match_pdu_type) |
| 1076 | { |
| 1077 | static struct expect_result result; |
| 1078 | static const struct expect_result empty_result = {0,}; |
| 1079 | static struct msgb *msg; |
| 1080 | uint16_t nsei; |
| 1081 | int rc; |
| 1082 | |
| 1083 | memcpy(&result, &empty_result, sizeof(result)); |
| 1084 | |
| 1085 | msg = expect_msg(); |
| 1086 | if (!msg) |
| 1087 | return NULL; |
| 1088 | |
| 1089 | nsei = msgb_nsei(msg); |
| 1090 | |
| 1091 | if (match_nsei != MATCH_ANY && match_nsei != nsei) { |
| 1092 | fprintf(stderr, "%s: NSEI mismatch (expected %u, got %u)\n", |
| 1093 | __func__, match_nsei, nsei); |
| 1094 | return NULL; |
| 1095 | } |
| 1096 | |
| 1097 | if (match_bvci != MATCH_ANY && match_bvci != msgb_bvci(msg)) { |
| 1098 | fprintf(stderr, "%s: BVCI mismatch (expected %u, got %u)\n", |
| 1099 | __func__, match_bvci, msgb_bvci(msg)); |
| 1100 | return NULL; |
| 1101 | } |
| 1102 | |
| 1103 | result.msg = msg; |
| 1104 | |
| 1105 | result.parse_ctx.to_bss = nsei != SGSN_NSEI && nsei != SGSN2_NSEI; |
| 1106 | result.parse_ctx.peer_nsei = nsei; |
| 1107 | |
| 1108 | if (!msgb_bssgph(msg)) { |
| 1109 | fprintf(stderr, "%s: Expected BSSGP\n", __func__); |
| 1110 | return NULL; |
| 1111 | } |
| 1112 | |
| 1113 | rc = gprs_gb_parse_bssgp(msgb_bssgph(msg), msgb_bssgp_len(msg), |
| 1114 | &result.parse_ctx); |
| 1115 | |
| 1116 | if (!rc) { |
| 1117 | fprintf(stderr, "%s: Failed to parse message\n", __func__); |
| 1118 | return NULL; |
| 1119 | } |
| 1120 | |
| 1121 | if (match_pdu_type != MATCH_ANY && |
| 1122 | match_pdu_type != result.parse_ctx.pdu_type) { |
| 1123 | fprintf(stderr, "%s: PDU type mismatch (expected %u, got %u)\n", |
| 1124 | __func__, match_pdu_type, result.parse_ctx.pdu_type); |
| 1125 | return NULL; |
| 1126 | } |
| 1127 | |
| 1128 | return &result; |
| 1129 | } |
| 1130 | |
| 1131 | static struct expect_result *expect_llc_msg( |
| 1132 | int match_nsei, int match_bvci, int match_sapi, int match_type) |
| 1133 | { |
| 1134 | static struct expect_result *result; |
| 1135 | |
| 1136 | result = expect_bssgp_msg(match_nsei, match_bvci, MATCH_ANY); |
| 1137 | if (!result) |
| 1138 | return NULL; |
| 1139 | |
| 1140 | if (!result->parse_ctx.llc) { |
| 1141 | fprintf(stderr, "%s: Expected LLC message\n", __func__); |
| 1142 | return NULL; |
| 1143 | } |
| 1144 | |
| 1145 | if (match_sapi != MATCH_ANY && |
| 1146 | match_sapi != result->parse_ctx.llc_hdr_parsed.sapi) { |
| 1147 | fprintf(stderr, "%s: LLC SAPI mismatch (expected %u, got %u)\n", |
| 1148 | __func__, match_sapi, result->parse_ctx.llc_hdr_parsed.sapi); |
| 1149 | return NULL; |
| 1150 | } |
| 1151 | |
| 1152 | if (match_type != MATCH_ANY && |
| 1153 | match_type != result->parse_ctx.llc_hdr_parsed.cmd) { |
| 1154 | fprintf(stderr, |
| 1155 | "%s: LLC command/type mismatch (expected %u, got %u)\n", |
| 1156 | __func__, match_type, result->parse_ctx.llc_hdr_parsed.cmd); |
| 1157 | return NULL; |
| 1158 | } |
| 1159 | |
| 1160 | return result; |
| 1161 | } |
| 1162 | |
| 1163 | static struct expect_result *expect_gmm_msg(int match_nsei, int match_bvci, |
| 1164 | int match_type) |
| 1165 | { |
| 1166 | static struct expect_result *result; |
| 1167 | |
| 1168 | result = expect_llc_msg(match_nsei, match_bvci, GPRS_SAPI_GMM, GPRS_LLC_UI); |
| 1169 | if (!result) |
| 1170 | return NULL; |
| 1171 | |
| 1172 | if (!result->parse_ctx.g48_hdr) { |
| 1173 | fprintf(stderr, "%s: Expected GSM 04.08 message\n", __func__); |
| 1174 | return NULL; |
| 1175 | } |
| 1176 | |
| 1177 | if (match_type != MATCH_ANY && |
| 1178 | match_type != result->parse_ctx.g48_hdr->msg_type) { |
| 1179 | fprintf(stderr, |
| 1180 | "%s: GSM 04.08 message type mismatch (expected %u, got %u)\n", |
| 1181 | __func__, match_type, result->parse_ctx.g48_hdr->msg_type); |
| 1182 | return NULL; |
| 1183 | } |
| 1184 | |
| 1185 | return result; |
| 1186 | } |
| 1187 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1188 | static void test_gbproxy() |
| 1189 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1190 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
| 1191 | uint16_t bss_nsei[2] = {0x1000, 0x2000}; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1192 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1193 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1194 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1195 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1196 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1197 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1198 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1199 | printf("--- Initialise SGSN ---\n\n"); |
| 1200 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1201 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1202 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1203 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1204 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1205 | setup_ns(nsi, bss_nsei[0]); |
| 1206 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1207 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1208 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1209 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1210 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1211 | printf("--- Initialise BSS 2 ---\n\n"); |
| 1212 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1213 | setup_ns(nsi, bss_nsei[1]); |
| 1214 | setup_bssgp(nsi, bss_nsei[1], 0x2002); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1215 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1216 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1217 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x2002); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1218 | |
| 1219 | printf("--- Reset BSS 1 with a new BVCI ---\n\n"); |
| 1220 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1221 | setup_bssgp(nsi, bss_nsei[0], 0x1012); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1222 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1223 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1224 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1012); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1225 | |
| 1226 | printf("--- Reset BSS 1 with the old BVCI ---\n\n"); |
| 1227 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1228 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1229 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1230 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1231 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1232 | |
| 1233 | printf("--- Reset BSS 1 with the old BVCI again ---\n\n"); |
| 1234 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1235 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1236 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1237 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1238 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1239 | |
| 1240 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1012 ---\n\n"); |
| 1241 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1242 | send_ns_unitdata(nsi, NULL, bss_nsei[0], 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1243 | |
| 1244 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1012 ---\n\n"); |
| 1245 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1246 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1247 | |
| 1248 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1249 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1250 | send_ns_unitdata(nsi, NULL, bss_nsei[0], 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1251 | |
| 1252 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1253 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1254 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1255 | |
| 1256 | printf("--- Send message from BSS 2 to SGSN, BVCI 0x2002 ---\n\n"); |
| 1257 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1258 | send_ns_unitdata(nsi, NULL, bss_nsei[0], 0x2002, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1259 | |
| 1260 | printf("--- Send message from SGSN to BSS 2, BVCI 0x2002 ---\n\n"); |
| 1261 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1262 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x2002, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1263 | |
| 1264 | printf("--- Reset BSS 1 with the old BVCI on BSS2's link ---\n\n"); |
| 1265 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1266 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1267 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1268 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1269 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1270 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1271 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1272 | |
| 1273 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1274 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1275 | send_ns_unitdata(nsi, NULL, bss_nsei[0], 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1276 | |
| 1277 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1278 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1279 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x1012, (uint8_t *)"", 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1280 | |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1281 | printf("--- Send message from SGSN to BSS 1, BVCI 0x10ff (invalid) ---\n\n"); |
| 1282 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1283 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, 0x10ff, (uint8_t *)"", 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1284 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1285 | /* Find peer */ |
| 1286 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0xeeee) == NULL); |
| 1287 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0x1000) == NULL); |
| 1288 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0x1012) != NULL); |
| 1289 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0xeeee) == NULL); |
| 1290 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0x1012) == NULL); |
| 1291 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0x1000) != NULL); |
| 1292 | |
| 1293 | |
| 1294 | /* Cleanup */ |
| 1295 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0, 0) == 0); |
| 1296 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0xeeee) == 0); |
| 1297 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0, 0x1002) == 0); |
| 1298 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0x1012) == 1); |
| 1299 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0x1012) == 0); |
| 1300 | |
| 1301 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1302 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1303 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1304 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1305 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1306 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1307 | nsi = NULL; |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1308 | } |
| 1309 | |
| 1310 | static void test_gbproxy_ident_changes() |
| 1311 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1312 | struct gprs_ns2_inst *nsi = gprs_ns2_instantiate(tall_sgsn_ctx, gprs_ns2_callback, &gbcfg); |
| 1313 | uint16_t bss_nsei[2] = {0x1000, 0x2000}; |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1314 | uint16_t bvci[4] = {0x1002, 0x2002, 0x3002, 0x4002}; |
| 1315 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1316 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1317 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1318 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1319 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1320 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1321 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1322 | printf("--- Initialise SGSN ---\n\n"); |
| 1323 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1324 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1325 | |
| 1326 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1327 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1328 | setup_ns(nsi, bss_nsei[0]); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1329 | |
| 1330 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1331 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1332 | setup_bssgp(nsi, bss_nsei[0], bvci[0]); |
| 1333 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1334 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1335 | |
| 1336 | printf("--- Setup BVCI 2 ---\n\n"); |
| 1337 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1338 | setup_bssgp(nsi, bss_nsei[0], bvci[1]); |
| 1339 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[1]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1340 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1341 | |
| 1342 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1343 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1344 | send_ns_unitdata(nsi, NULL, bss_nsei[0], bvci[0], (uint8_t *)"", 0); |
| 1345 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[0], (uint8_t *)"", 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1346 | |
| 1347 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 ---\n\n"); |
| 1348 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1349 | send_ns_unitdata(nsi, NULL, bss_nsei[0], bvci[1], (uint8_t *)"", 0); |
| 1350 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1351 | |
| 1352 | printf("--- Change NSEI ---\n\n"); |
| 1353 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1354 | setup_ns(nsi, bss_nsei[1]); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1355 | |
| 1356 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1357 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1358 | setup_bssgp(nsi, bss_nsei[1], bvci[0]); |
| 1359 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1360 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1361 | |
| 1362 | printf("--- Setup BVCI 3 ---\n\n"); |
| 1363 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1364 | setup_bssgp(nsi, bss_nsei[1], bvci[2]); |
| 1365 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[2]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1366 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1367 | |
| 1368 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1369 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1370 | send_ns_unitdata(nsi, NULL, bss_nsei[1], bvci[0], (uint8_t *)"", 0); |
| 1371 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[0], (uint8_t *)"", 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1372 | |
| 1373 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1374 | " (should fail) ---\n\n"); |
| 1375 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1376 | 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] | 1377 | dump_peers(stdout, 0, 0, &gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1378 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1379 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1380 | |
| 1381 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1382 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1383 | send_ns_unitdata(nsi, NULL, bss_nsei[0], bvci[2], (uint8_t *)"", 0); |
| 1384 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[2], (uint8_t *)"", 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1385 | |
| 1386 | printf("--- Change NSVCI ---\n\n"); |
| 1387 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1388 | setup_ns(nsi, bss_nsei[1]); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1389 | |
| 1390 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1391 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1392 | setup_bssgp(nsi, bss_nsei[1], bvci[0]); |
| 1393 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1394 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1395 | |
| 1396 | printf("--- Setup BVCI 4 ---\n\n"); |
| 1397 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1398 | setup_bssgp(nsi, bss_nsei[1], bvci[3]); |
| 1399 | send_bssgp_reset_ack(nsi, SGSN_NSEI, bvci[3]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1400 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1401 | |
| 1402 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1403 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1404 | send_ns_unitdata(nsi, NULL, bss_nsei[1], bvci[0], (uint8_t *)"", 0); |
| 1405 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[0], (uint8_t *)"", 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1406 | |
| 1407 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1408 | " (should fail) ---\n\n"); |
| 1409 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1410 | 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] | 1411 | dump_peers(stdout, 0, 0, &gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1412 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1413 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1414 | |
| 1415 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1416 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1417 | send_ns_unitdata(nsi, NULL, bss_nsei[1], bvci[2], (uint8_t *)"", 0); |
| 1418 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[2], (uint8_t *)"", 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1419 | |
| 1420 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 4 ---\n\n"); |
| 1421 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1422 | send_ns_unitdata(nsi, NULL, bss_nsei[1], bvci[3], (uint8_t *)"", 0); |
| 1423 | send_ns_unitdata(nsi, NULL, SGSN_NSEI, bvci[3], (uint8_t *)"", 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1424 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1425 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1426 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1427 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1428 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1429 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1430 | nsi = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1431 | } |
| 1432 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1433 | static void test_gbproxy_ra_patching() |
| 1434 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1435 | 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] | 1436 | struct gprs_ra_id rai_bss = |
| 1437 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1438 | struct gprs_ra_id rai_sgsn = |
| 1439 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 1440 | struct gprs_ra_id rai_unknown = |
| 1441 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1442 | uint16_t cell_id = 0x7530; |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1443 | const char *err_msg = NULL; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1444 | const uint32_t ptmsi = 0xefe2b700; |
| 1445 | const uint32_t local_tlli = 0xefe2b700; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1446 | const uint32_t foreign_tlli = 0xbbc54679; |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1447 | const uint32_t foreign_tlli2 = 0xbb00beef; |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 1448 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 1449 | const char *patch_re = "^9898|^121314"; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1450 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1451 | struct gbproxy_peer *peer; |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1452 | LLIST_HEAD(rcv_list); |
Jacob Erlbeck | c79beec | 2014-10-10 09:48:12 +0200 | [diff] [blame] | 1453 | struct expect_result *expect_res; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1454 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1455 | uint16_t bss_nsei[1] = { 0x1000 }; |
| 1456 | |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1457 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1458 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1459 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1460 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 1461 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 1462 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Holger Hans Peter Freyther | ce1b22e | 2014-08-04 14:22:13 +0200 | [diff] [blame] | 1463 | 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] | 1464 | gbcfg.patch_ptmsi = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1465 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1466 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1467 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 1468 | if (gbproxy_set_patch_filter(&gbcfg.matches[GBPROX_MATCH_PATCHING], |
| 1469 | patch_re, &err_msg) != 0) { |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1470 | fprintf(stderr, "Failed to compile RE '%s': %s\n", |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 1471 | patch_re, err_msg); |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1472 | exit(1); |
| 1473 | } |
| 1474 | |
| 1475 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1476 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1477 | printf("--- Initialise SGSN ---\n\n"); |
| 1478 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1479 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1480 | |
| 1481 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1482 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1483 | setup_ns(nsi, bss_nsei[0]); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1484 | |
| 1485 | received_messages = &rcv_list; |
| 1486 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1487 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1488 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1489 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 1490 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1491 | OSMO_ASSERT(peer != NULL); |
| 1492 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1493 | OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_BVC_RESET)); |
| 1494 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1495 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1496 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1497 | OSMO_ASSERT(expect_bssgp_msg(0x1000, 0, BSSGP_PDUT_BVC_RESET_ACK)); |
| 1498 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1499 | send_bssgp_suspend(nsi, bss_nsei[0], 0xccd1758b, &rai_bss); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1500 | |
| 1501 | OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_SUSPEND)); |
| 1502 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1503 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, 0xccd1758b, &rai_sgsn); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1504 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1505 | OSMO_ASSERT(expect_bssgp_msg(0x1000, 0, BSSGP_PDUT_SUSPEND_ACK)); |
| 1506 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1507 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1508 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1509 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1510 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1511 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1512 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1513 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1514 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1515 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1516 | foreign_tlli, &rai_bss, cell_id, |
| 1517 | GPRS_SAPI_GMM, 0, |
| 1518 | dtap_attach_req, sizeof(dtap_attach_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1519 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1520 | 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] | 1521 | 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] | 1522 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1523 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1524 | foreign_tlli, 0, NULL, 0, |
| 1525 | GPRS_SAPI_GMM, 0, |
| 1526 | dtap_identity_req, sizeof(dtap_identity_req)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1527 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1528 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 1529 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1530 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1531 | foreign_tlli, &rai_bss, cell_id, |
| 1532 | GPRS_SAPI_GMM, 3, |
| 1533 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1534 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1535 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ID_RESP)); |
| 1536 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1537 | OSMO_ASSERT(5 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1538 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1539 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1540 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1541 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1542 | GPRS_SAPI_GMM, 1, |
| 1543 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1544 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1545 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 1546 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1547 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1548 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1549 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1550 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1551 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1552 | |
| 1553 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1554 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1555 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1556 | |
| 1557 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1558 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_sgsn)) != NULL); |
| 1559 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 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_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1573 | local_tlli, &rai_bss, cell_id, |
| 1574 | GPRS_SAPI_GMM, 4, |
| 1575 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1576 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1577 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 1578 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1579 | OSMO_ASSERT(6 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].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 == local_tlli); |
| 1584 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1585 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1586 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1587 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1588 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1589 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1590 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1591 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1592 | /* Replace APN (1) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1593 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1594 | local_tlli, &rai_bss, cell_id, |
| 1595 | GPRS_SAPI_GMM, 3, |
| 1596 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1597 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1598 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1599 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1600 | OSMO_ASSERT(7 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1601 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1602 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1603 | OSMO_ASSERT(link_info); |
| 1604 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1605 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1606 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1607 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1608 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1609 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1610 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1611 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1612 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1613 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1614 | local_tlli, 1, imsi, sizeof(imsi), |
| 1615 | GPRS_SAPI_GMM, 2, |
| 1616 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 1617 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1618 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 1619 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1620 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1621 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1622 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1623 | OSMO_ASSERT(link_info); |
| 1624 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1625 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1626 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
| 1627 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1628 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1629 | /* Replace APN (2) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1630 | 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] | 1631 | local_tlli, &rai_bss, cell_id, |
| 1632 | GPRS_SAPI_GMM, 3, |
| 1633 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1634 | |
Jacob Erlbeck | c79beec | 2014-10-10 09:48:12 +0200 | [diff] [blame] | 1635 | expect_res = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ); |
| 1636 | OSMO_ASSERT(expect_res != NULL); |
| 1637 | 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] | 1638 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1639 | OSMO_ASSERT(8 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1640 | |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1641 | gbcfg.core_apn[0] = 0; |
| 1642 | gbcfg.core_apn_size = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1643 | |
| 1644 | /* Remove APN */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1645 | 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] | 1646 | local_tlli, &rai_bss, cell_id, |
| 1647 | GPRS_SAPI_GMM, 3, |
| 1648 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1649 | |
Jacob Erlbeck | c79beec | 2014-10-10 09:48:12 +0200 | [diff] [blame] | 1650 | expect_res = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ); |
| 1651 | OSMO_ASSERT(expect_res != NULL); |
| 1652 | OSMO_ASSERT(expect_res->parse_ctx.apn_ie_len == 0); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1653 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1654 | OSMO_ASSERT(9 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1655 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1656 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1657 | |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1658 | /* Detach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1659 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1660 | local_tlli, &rai_bss, cell_id, |
| 1661 | GPRS_SAPI_GMM, 6, |
| 1662 | dtap_detach_req, sizeof(dtap_detach_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1663 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1664 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 1665 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1666 | OSMO_ASSERT(10 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1667 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1668 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1669 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1670 | local_tlli, 1, imsi, sizeof(imsi), |
| 1671 | GPRS_SAPI_GMM, 5, |
| 1672 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1673 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1674 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 1675 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1676 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1677 | |
| 1678 | printf("--- RA update ---\n\n"); |
| 1679 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1680 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1681 | foreign_tlli, &rai_bss, 0x7080, |
| 1682 | GPRS_SAPI_GMM, 5, |
| 1683 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1684 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1685 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_RA_UPD_REQ)); |
| 1686 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1687 | OSMO_ASSERT(12 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1688 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1689 | send_llc_dl_ui(nsi, "RA UPD ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1690 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1691 | GPRS_SAPI_GMM, 6, |
| 1692 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1693 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1694 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_RA_UPD_ACK)); |
| 1695 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1696 | OSMO_ASSERT(3 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1697 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1698 | /* Remove APN */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1699 | 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] | 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 | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1703 | |
Jacob Erlbeck | c79beec | 2014-10-10 09:48:12 +0200 | [diff] [blame] | 1704 | expect_res = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ); |
| 1705 | OSMO_ASSERT(expect_res != NULL); |
| 1706 | OSMO_ASSERT(expect_res->parse_ctx.apn_ie_len == 0); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1707 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1708 | OSMO_ASSERT(13 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1709 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1710 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1711 | |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 1712 | /* Detach (power off -> no Detach Accept) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1713 | 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] | 1714 | local_tlli, &rai_bss, cell_id, |
| 1715 | GPRS_SAPI_GMM, 6, |
| 1716 | dtap_detach_po_req, sizeof(dtap_detach_po_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1717 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1718 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 1719 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1720 | OSMO_ASSERT(14 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1721 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1722 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1723 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1724 | |
| 1725 | printf("--- Bad cases ---\n\n"); |
| 1726 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1727 | /* The RAI in the Attach Request message differs from the RAI in the |
| 1728 | * BSSGP message, only patch the latter */ |
| 1729 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1730 | 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] | 1731 | foreign_tlli2, &rai_bss, cell_id, |
| 1732 | GPRS_SAPI_GMM, 0, |
| 1733 | dtap_attach_req2, sizeof(dtap_attach_req2)); |
| 1734 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1735 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 1736 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1737 | OSMO_ASSERT(15 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1738 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1739 | printf("TLLI is already detached, shouldn't patch\n"); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1740 | 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] | 1741 | local_tlli, &rai_bss, cell_id, |
| 1742 | GPRS_SAPI_GMM, 3, |
| 1743 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1744 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1745 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1746 | |
Jacob Erlbeck | 006c038 | 2014-05-27 13:49:04 +0200 | [diff] [blame] | 1747 | printf("Invalid RAI, shouldn't patch\n"); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1748 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, 0xccd1758b, &rai_unknown); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1749 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1750 | /* TODO: The following breaks with the current libosmocore, enable it |
| 1751 | * again (and remove the plain expect_msg), when the msgb_bssgph patch |
| 1752 | * is integrated */ |
| 1753 | /* OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_STATUS)); */ |
| 1754 | OSMO_ASSERT(expect_msg()); |
| 1755 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1756 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1757 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1758 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1759 | OSMO_ASSERT(!expect_msg()); |
| 1760 | received_messages = NULL; |
| 1761 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 1762 | talloc_free(gbcfg.core_apn); |
| 1763 | gbcfg.core_apn = NULL; |
| 1764 | |
Jacob Erlbeck | 9ccc41e | 2014-09-25 11:21:34 +0200 | [diff] [blame] | 1765 | gbproxy_clear_patch_filter(&gbcfg.matches[GBPROX_MATCH_PATCHING]); |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1766 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1767 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1768 | nsi = NULL; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1769 | } |
| 1770 | |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1771 | static void test_gbproxy_ptmsi_assignment() |
| 1772 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1773 | 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] | 1774 | struct gprs_ra_id rai_bss = |
| 1775 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1776 | struct gprs_ra_id rai_unknown = |
| 1777 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1778 | uint16_t cell_id = 0x1234; |
| 1779 | |
| 1780 | const uint32_t ptmsi = 0xefe2b700; |
| 1781 | const uint32_t local_tlli = 0xefe2b700; |
| 1782 | |
| 1783 | const uint32_t foreign_tlli1 = 0x8000dead; |
| 1784 | const uint32_t foreign_tlli2 = 0x8000beef; |
| 1785 | |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 1786 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
| 1787 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1788 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1789 | struct gbproxy_link_info *link_info, *link_info2; |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1790 | struct gbproxy_peer *peer; |
| 1791 | unsigned bss_nu = 0; |
| 1792 | unsigned sgsn_nu = 0; |
| 1793 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1794 | uint16_t bss_nsei[1] = { 0x1000 }; |
| 1795 | |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1796 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 1797 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1798 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1799 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 1800 | gbcfg.core_plmn = (struct osmo_plmn_id){}; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 1801 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1802 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 1803 | gbcfg.patch_ptmsi = 0; |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1804 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1805 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1806 | |
| 1807 | printf("=== %s ===\n", __func__); |
| 1808 | printf("--- Initialise SGSN ---\n\n"); |
| 1809 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1810 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1811 | |
| 1812 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1813 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1814 | setup_ns(nsi, bss_nsei[0]); |
| 1815 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1816 | |
| 1817 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 1818 | OSMO_ASSERT(peer != NULL); |
| 1819 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1820 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1821 | |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1822 | dump_global(stdout, 0); |
| 1823 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1824 | |
| 1825 | printf("--- Establish first LLC connection ---\n\n"); |
| 1826 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1827 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1828 | foreign_tlli1, &rai_unknown, cell_id, |
| 1829 | GPRS_SAPI_GMM, bss_nu++, |
| 1830 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1831 | |
| 1832 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1833 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1834 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1835 | foreign_tlli1, 0, NULL, 0, |
| 1836 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1837 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1838 | |
| 1839 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1840 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1841 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1842 | foreign_tlli1, &rai_bss, cell_id, |
| 1843 | GPRS_SAPI_GMM, bss_nu++, |
| 1844 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 1845 | |
| 1846 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1847 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1848 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1849 | foreign_tlli1, 1, imsi1, sizeof(imsi1), |
| 1850 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1851 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1852 | |
| 1853 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1854 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1855 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli1); |
| 1856 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1857 | OSMO_ASSERT(link_info); |
| 1858 | OSMO_ASSERT(link_info == link_info2); |
| 1859 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1860 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli1); |
| 1861 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1862 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1863 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1864 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1865 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1866 | local_tlli, &rai_bss, cell_id, |
| 1867 | GPRS_SAPI_GMM, bss_nu++, |
| 1868 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1869 | |
| 1870 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1871 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1872 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1873 | OSMO_ASSERT(link_info); |
| 1874 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1875 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli1); |
| 1876 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1877 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1878 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1879 | |
| 1880 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1881 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1882 | local_tlli, 1, imsi1, sizeof(imsi1), |
| 1883 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1884 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 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_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 1889 | OSMO_ASSERT(link_info); |
| 1890 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
| 1891 | OSMO_ASSERT(!gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2))); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1892 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1893 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1894 | OSMO_ASSERT(link_info == link_info2); |
| 1895 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1896 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1897 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1898 | |
| 1899 | printf("--- Establish second LLC connection with the same P-TMSI ---\n\n"); |
| 1900 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1901 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1902 | foreign_tlli2, &rai_unknown, cell_id, |
| 1903 | GPRS_SAPI_GMM, bss_nu++, |
| 1904 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1905 | |
| 1906 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1907 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1908 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1909 | foreign_tlli2, 0, NULL, 0, |
| 1910 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1911 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1912 | |
| 1913 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1914 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1915 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1916 | foreign_tlli2, &rai_bss, cell_id, |
| 1917 | GPRS_SAPI_GMM, bss_nu++, |
| 1918 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 1919 | |
| 1920 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1921 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1922 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1923 | foreign_tlli2, 1, imsi2, sizeof(imsi2), |
| 1924 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1925 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1926 | |
| 1927 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1928 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1929 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli2); |
| 1930 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1931 | OSMO_ASSERT(link_info); |
| 1932 | OSMO_ASSERT(link_info == link_info2); |
| 1933 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1934 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli2); |
| 1935 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1936 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1937 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1938 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1939 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1940 | local_tlli, &rai_bss, cell_id, |
| 1941 | GPRS_SAPI_GMM, bss_nu++, |
| 1942 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1943 | |
| 1944 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1945 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1946 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1947 | OSMO_ASSERT(link_info); |
| 1948 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1949 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli2); |
| 1950 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1951 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1952 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1953 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1954 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1955 | local_tlli, 1, imsi2, sizeof(imsi2), |
| 1956 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1957 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1958 | |
| 1959 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1960 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1961 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 1962 | OSMO_ASSERT(link_info); |
| 1963 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
| 1964 | OSMO_ASSERT(!gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1))); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1965 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1966 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1967 | OSMO_ASSERT(link_info == link_info2); |
| 1968 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1969 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1970 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1971 | |
| 1972 | dump_global(stdout, 0); |
| 1973 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 1974 | talloc_free(gbcfg.core_apn); |
| 1975 | gbcfg.core_apn = NULL; |
| 1976 | |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1977 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1978 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1979 | nsi = NULL; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 1980 | |
| 1981 | cleanup_test(); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1982 | } |
| 1983 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1984 | static void test_gbproxy_ptmsi_patching() |
| 1985 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 1986 | 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] | 1987 | struct gprs_ra_id rai_bss = |
| 1988 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1989 | struct gprs_ra_id rai_sgsn = |
| 1990 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1991 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 1992 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1993 | struct gprs_ra_id rai_unknown = |
| 1994 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1995 | uint16_t cell_id = 0x1234; |
| 1996 | |
| 1997 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1998 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 1999 | const uint32_t sgsn_ptmsi3 = 0xe0543210; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2000 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2001 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
| 2002 | const uint32_t local_sgsn_tlli3 = 0xe0543210; |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2003 | const uint32_t random_sgsn_tlli = 0x78dead00; |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2004 | const uint32_t unknown_sgsn_tlli = 0xeebadbad; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2005 | |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2006 | const uint32_t bss_ptmsi = 0xc0dead01; |
| 2007 | const uint32_t bss_ptmsi2 = 0xc0dead02; |
| 2008 | const uint32_t bss_ptmsi3 = 0xc0dead03; |
| 2009 | const uint32_t local_bss_tlli = 0xc0dead01; |
| 2010 | const uint32_t local_bss_tlli2 = 0xc0dead02; |
| 2011 | const uint32_t local_bss_tlli3 = 0xc0dead03; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2012 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2013 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2014 | |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 2015 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2016 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2017 | struct gbproxy_peer *peer; |
| 2018 | unsigned bss_nu = 0; |
| 2019 | unsigned sgsn_nu = 0; |
Jacob Erlbeck | c37ef6c | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 2020 | int old_ctr; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2021 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2022 | uint16_t bss_nsei[1] = { 0x1000 }; |
| 2023 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2024 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2025 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 2026 | OSMO_ASSERT(local_sgsn_tlli3 == gprs_tmsi2tlli(sgsn_ptmsi3, TLLI_LOCAL)); |
| 2027 | OSMO_ASSERT(local_bss_tlli == gprs_tmsi2tlli(bss_ptmsi, TLLI_LOCAL)); |
| 2028 | OSMO_ASSERT(local_bss_tlli2 == gprs_tmsi2tlli(bss_ptmsi2, TLLI_LOCAL)); |
| 2029 | OSMO_ASSERT(local_bss_tlli3 == gprs_tmsi2tlli(bss_ptmsi3, TLLI_LOCAL)); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2030 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2031 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2032 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 2033 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 2034 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2035 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2036 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2037 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2038 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2039 | |
| 2040 | printf("=== %s ===\n", __func__); |
| 2041 | printf("--- Initialise SGSN ---\n\n"); |
| 2042 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2043 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2044 | |
| 2045 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2046 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2047 | setup_ns(nsi, bss_nsei[0]); |
| 2048 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2049 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 2050 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2051 | OSMO_ASSERT(peer != NULL); |
| 2052 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2053 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2054 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2055 | dump_global(stdout, 0); |
| 2056 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2057 | |
| 2058 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2059 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2060 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2061 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2062 | GPRS_SAPI_GMM, bss_nu++, |
| 2063 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2064 | |
| 2065 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2066 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2067 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2068 | random_sgsn_tlli, 0, NULL, 0, |
| 2069 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2070 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2071 | |
| 2072 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2073 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2074 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2075 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2076 | GPRS_SAPI_GMM, bss_nu++, |
| 2077 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2078 | |
| 2079 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2080 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2081 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2082 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2083 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2084 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2085 | |
| 2086 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2087 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2088 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2089 | OSMO_ASSERT(link_info); |
| 2090 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2091 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2092 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2093 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2094 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2095 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2096 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2097 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2098 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2099 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2100 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2101 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2102 | local_bss_tlli, &rai_bss, cell_id, |
| 2103 | GPRS_SAPI_GMM, bss_nu++, |
| 2104 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2105 | |
| 2106 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2107 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2108 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2109 | OSMO_ASSERT(link_info); |
| 2110 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2111 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2112 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2113 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2114 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2115 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2116 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2117 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2118 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2119 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2120 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2121 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2122 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2123 | |
| 2124 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2125 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2126 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2127 | OSMO_ASSERT(link_info); |
| 2128 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2129 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2130 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2131 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2132 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2133 | 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] | 2134 | local_bss_tlli, &rai_bss, cell_id, |
| 2135 | GPRS_SAPI_GMM, bss_nu++, |
| 2136 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
| 2137 | |
| 2138 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2139 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2140 | /* Non-DTAP */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2141 | send_bssgp_ul_unitdata(nsi, "XID (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2142 | local_bss_tlli, &rai_bss, cell_id, |
| 2143 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2144 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2145 | send_bssgp_dl_unitdata(nsi, "XID (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2146 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2147 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2148 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2149 | 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] | 2150 | local_bss_tlli, &rai_bss, cell_id, |
| 2151 | llc_ui_ll11_dns_query_ul, |
| 2152 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2153 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2154 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2155 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2156 | llc_ui_ll11_dns_resp_dl, |
| 2157 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2158 | |
| 2159 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2160 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2161 | /* Repeated RA Update Requests */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2162 | 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] | 2163 | local_bss_tlli, &rai_bss, 0x7080, |
| 2164 | GPRS_SAPI_GMM, bss_nu++, |
| 2165 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2166 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2167 | 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] | 2168 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2169 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2170 | dtap_ra_upd_acc2, sizeof(dtap_ra_upd_acc2)); |
| 2171 | |
| 2172 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2173 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2174 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI) != NULL); |
| 2175 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2176 | OSMO_ASSERT(link_info); |
| 2177 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 2178 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2179 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2180 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2181 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi2); |
| 2182 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 2183 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2184 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2185 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2186 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2187 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2188 | 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] | 2189 | local_bss_tlli2, &rai_bss, 0x7080, |
| 2190 | GPRS_SAPI_GMM, bss_nu++, |
| 2191 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2192 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2193 | 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] | 2194 | local_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 2195 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2196 | dtap_ra_upd_acc3, sizeof(dtap_ra_upd_acc3)); |
| 2197 | |
| 2198 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2199 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2200 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI) == NULL); |
| 2201 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli3, SGSN_NSEI) != NULL); |
| 2202 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2203 | OSMO_ASSERT(link_info); |
| 2204 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 2205 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2206 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2207 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2208 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi3); |
| 2209 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli3); |
| 2210 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2211 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2212 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2213 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi3); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2214 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2215 | send_llc_ul_ui(nsi, "RA UPD COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2216 | local_bss_tlli3, &rai_bss, 0x7080, |
| 2217 | GPRS_SAPI_GMM, bss_nu++, |
| 2218 | dtap_ra_upd_complete, sizeof(dtap_ra_upd_complete)); |
| 2219 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2220 | link_info = gbproxy_link_info_by_tlli(peer, local_bss_tlli3); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2221 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2222 | OSMO_ASSERT(link_info); |
| 2223 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2224 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2225 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2226 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2227 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2228 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2229 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
| 2230 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2231 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2232 | |
| 2233 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2234 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2235 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli3, SGSN_NSEI); |
| 2236 | OSMO_ASSERT(link_info); |
| 2237 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli3); |
| 2238 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2239 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli3); |
| 2240 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2241 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2242 | /* Other messages */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2243 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2244 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2245 | |
| 2246 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2247 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2248 | send_bssgp_suspend(nsi, bss_nsei[0], local_bss_tlli3, &rai_bss); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2249 | |
| 2250 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2251 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2252 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli3, &rai_sgsn); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2253 | |
| 2254 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2255 | |
Jacob Erlbeck | c37ef6c | 2014-09-30 13:49:43 +0200 | [diff] [blame] | 2256 | old_ctr = peer->ctrg->ctr[GBPROX_PEER_CTR_PTMSI_PATCHED_SGSN].current; |
| 2257 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2258 | 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] | 2259 | |
| 2260 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2261 | |
| 2262 | OSMO_ASSERT(old_ctr + 1 == |
| 2263 | peer->ctrg->ctr[GBPROX_PEER_CTR_PTMSI_PATCHED_SGSN].current); |
| 2264 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2265 | /* Bad case: Invalid BVCI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2266 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0xeee1, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2267 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2268 | dump_global(stdout, 0); |
| 2269 | |
| 2270 | /* Bad case: Invalid RAI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2271 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli3, &rai_unknown); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2272 | |
| 2273 | dump_global(stdout, 0); |
| 2274 | |
| 2275 | /* Bad case: Invalid MCC (LAC ok) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2276 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli3, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2277 | &rai_wrong_mcc_sgsn); |
| 2278 | |
| 2279 | dump_global(stdout, 0); |
| 2280 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2281 | /* Bad case: Invalid TLLI from SGSN (IMSI unknown) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2282 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2283 | unknown_sgsn_tlli, 1, NULL, 0, |
| 2284 | GPRS_SAPI_GMM, 2, |
| 2285 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2286 | |
| 2287 | /* Bad case: Invalid TLLI from SGSN (IMSI known) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2288 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2289 | unknown_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2290 | GPRS_SAPI_GMM, 3, |
| 2291 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2292 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2293 | /* Detach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2294 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2295 | local_bss_tlli3, &rai_bss, cell_id, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2296 | GPRS_SAPI_GMM, bss_nu++, |
| 2297 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2298 | |
| 2299 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2300 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2301 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2302 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2303 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2304 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2305 | |
| 2306 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2307 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2308 | dump_global(stdout, 0); |
| 2309 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 2310 | talloc_free(gbcfg.core_apn); |
| 2311 | gbcfg.core_apn = NULL; |
| 2312 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2313 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2314 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2315 | nsi = NULL; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 2316 | |
| 2317 | cleanup_test(); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2318 | } |
| 2319 | |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2320 | static void test_gbproxy_ptmsi_patching_bad_cases() |
| 2321 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2322 | 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] | 2323 | struct gprs_ra_id rai_bss = |
| 2324 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2325 | struct gprs_ra_id rai_unknown = |
| 2326 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2327 | uint16_t cell_id = 0x1234; |
| 2328 | |
| 2329 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2330 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2331 | const uint32_t random_sgsn_tlli = 0x78dead00; |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2332 | |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2333 | const uint32_t bss_ptmsi = 0xc0dead01; |
| 2334 | const uint32_t local_bss_tlli = 0xc0dead01; |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2335 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2336 | |
| 2337 | |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 2338 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2339 | struct gbproxy_link_info *link_info; |
| 2340 | struct gbproxy_peer *peer; |
| 2341 | unsigned bss_nu = 0; |
| 2342 | unsigned sgsn_nu = 0; |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2343 | uint16_t bss_nsei[] = { 0x1000 }; |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2344 | |
| 2345 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2346 | OSMO_ASSERT(local_bss_tlli == gprs_tmsi2tlli(bss_ptmsi, TLLI_LOCAL)); |
| 2347 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2348 | gbcfg.nsi = nsi; |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2349 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 2350 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 2351 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2352 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2353 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2354 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2355 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2356 | |
| 2357 | printf("=== %s ===\n", __func__); |
| 2358 | printf("--- Initialise SGSN ---\n\n"); |
| 2359 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2360 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2361 | |
| 2362 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2363 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2364 | setup_ns(nsi, bss_nsei[0]); |
| 2365 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2366 | |
| 2367 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2368 | OSMO_ASSERT(peer != NULL); |
| 2369 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2370 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2371 | |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2372 | dump_global(stdout, 0); |
| 2373 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2374 | |
| 2375 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2376 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2377 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2378 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2379 | GPRS_SAPI_GMM, bss_nu++, |
| 2380 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2381 | |
| 2382 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2383 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2384 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2385 | random_sgsn_tlli, 0, NULL, 0, |
| 2386 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2387 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2388 | |
| 2389 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2390 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2391 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2392 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2393 | GPRS_SAPI_GMM, bss_nu++, |
| 2394 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2395 | |
| 2396 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2397 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2398 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2399 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2400 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2401 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2402 | |
| 2403 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2404 | |
| 2405 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2406 | OSMO_ASSERT(link_info); |
| 2407 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2408 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2409 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2410 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2411 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2412 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2413 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2414 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2415 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2416 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
| 2417 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2418 | send_llc_dl_ui(nsi, "ATTACH ACCEPT (duplicated)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2419 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2420 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2421 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2422 | |
| 2423 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2424 | |
| 2425 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2426 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 91e9f55 | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2427 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2428 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2429 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2430 | OSMO_ASSERT(!link_info->tlli.net_validated); |
Jacob Erlbeck | 91e9f55 | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2431 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2432 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2433 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2434 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2435 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2436 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
| 2437 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2438 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2439 | local_bss_tlli, &rai_bss, cell_id, |
| 2440 | GPRS_SAPI_GMM, bss_nu++, |
| 2441 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2442 | |
| 2443 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2444 | |
| 2445 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2446 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 91e9f55 | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2447 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2448 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
Jacob Erlbeck | 91e9f55 | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2449 | OSMO_ASSERT(link_info->tlli.bss_validated); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2450 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2451 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2452 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
Jacob Erlbeck | 91e9f55 | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2453 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2454 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2455 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2456 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2457 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2458 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2459 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2460 | |
| 2461 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2462 | |
| 2463 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2464 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 91e9f55 | 2014-10-20 16:30:06 +0200 | [diff] [blame] | 2465 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2466 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2467 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2468 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2469 | |
| 2470 | /* Detach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2471 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2472 | local_bss_tlli, &rai_bss, cell_id, |
| 2473 | GPRS_SAPI_GMM, bss_nu++, |
| 2474 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2475 | |
| 2476 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2477 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2478 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2479 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2480 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2481 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2482 | |
| 2483 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2484 | |
| 2485 | dump_global(stdout, 0); |
| 2486 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 2487 | talloc_free(gbcfg.core_apn); |
| 2488 | gbcfg.core_apn = NULL; |
| 2489 | |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2490 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2491 | gprs_ns2_free(nsi); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2492 | nsi = NULL; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 2493 | |
| 2494 | cleanup_test(); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 2495 | } |
| 2496 | |
| 2497 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2498 | static void test_gbproxy_imsi_acquisition() |
| 2499 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2500 | 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] | 2501 | struct gprs_ra_id rai_bss = |
| 2502 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2503 | struct gprs_ra_id rai_sgsn = |
| 2504 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2505 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 2506 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2507 | struct gprs_ra_id rai_unknown = |
| 2508 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2509 | uint16_t cell_id = 0x1234; |
| 2510 | |
| 2511 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2512 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2513 | const uint32_t random_sgsn_tlli = 0x78dead00; |
| 2514 | const uint32_t random_sgsn_tlli2 = 0x78dead02; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2515 | |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2516 | const uint32_t bss_ptmsi = 0xc0dead01; |
| 2517 | const uint32_t local_bss_tlli = 0xc0dead01; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2518 | const uint32_t foreign_bss_tlli = 0x8000dead; |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2519 | const uint32_t other_bss_tlli = 0x8000beef; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2520 | |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 2521 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2522 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2523 | struct gbproxy_peer *peer; |
| 2524 | unsigned bss_nu = 0; |
| 2525 | unsigned sgsn_nu = 0; |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2526 | uint16_t bss_nsei[] = { 0x1000 }; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2527 | |
| 2528 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2529 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2530 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2531 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 2532 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 2533 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2534 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2535 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2536 | gbcfg.acquire_imsi = 1; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2537 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2538 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2539 | |
| 2540 | printf("=== %s ===\n", __func__); |
| 2541 | printf("--- Initialise SGSN ---\n\n"); |
| 2542 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2543 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2544 | |
| 2545 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2546 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2547 | setup_ns(nsi, bss_nsei[0]); |
| 2548 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2549 | |
| 2550 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2551 | OSMO_ASSERT(peer != NULL); |
| 2552 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2553 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2554 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2555 | dump_global(stdout, 0); |
| 2556 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2557 | |
| 2558 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2559 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2560 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2561 | foreign_bss_tlli, &rai_bss, cell_id, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2562 | GPRS_SAPI_GMM, bss_nu++, |
| 2563 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2564 | |
| 2565 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2566 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2567 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2568 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2569 | GPRS_SAPI_GMM, bss_nu++, |
| 2570 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2571 | |
| 2572 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2573 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2574 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2575 | random_sgsn_tlli, 0, NULL, 0, |
| 2576 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2577 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2578 | |
| 2579 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2580 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2581 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2582 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2583 | GPRS_SAPI_GMM, bss_nu++, |
| 2584 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2585 | |
| 2586 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2587 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2588 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2589 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2590 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2591 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2592 | |
| 2593 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2594 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2595 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2596 | OSMO_ASSERT(link_info); |
| 2597 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2598 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2599 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2600 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2601 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2602 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2603 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2604 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2605 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2606 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2607 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2608 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", 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 | GPRS_SAPI_GMM, bss_nu++, |
| 2611 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2612 | |
| 2613 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2614 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2615 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2616 | OSMO_ASSERT(link_info); |
| 2617 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2618 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2619 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2620 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2621 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2622 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2623 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2624 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2625 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2626 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2627 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2628 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2629 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2630 | |
| 2631 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2632 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2633 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2634 | OSMO_ASSERT(link_info); |
| 2635 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2636 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2637 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2638 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2639 | |
| 2640 | /* Non-DTAP */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2641 | send_bssgp_ul_unitdata(nsi, "XID (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2642 | local_bss_tlli, &rai_bss, cell_id, |
| 2643 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2644 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2645 | send_bssgp_dl_unitdata(nsi, "XID (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2646 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2647 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2648 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2649 | 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] | 2650 | local_bss_tlli, &rai_bss, cell_id, |
| 2651 | llc_ui_ll11_dns_query_ul, |
| 2652 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2653 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2654 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2655 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2656 | llc_ui_ll11_dns_resp_dl, |
| 2657 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2658 | |
| 2659 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2660 | |
| 2661 | /* Other messages */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2662 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2663 | local_bss_tlli, 1, 12); |
| 2664 | |
| 2665 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2666 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2667 | send_bssgp_llc_discarded(nsi, SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2668 | local_sgsn_tlli, 1, 12); |
| 2669 | |
| 2670 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2671 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2672 | send_bssgp_suspend(nsi, bss_nsei[0], local_bss_tlli, &rai_bss); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2673 | |
| 2674 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2675 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2676 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli, &rai_sgsn); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2677 | |
| 2678 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2679 | |
| 2680 | /* Bad case: Invalid BVCI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2681 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0xeee1, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2682 | local_bss_tlli, 1, 12); |
| 2683 | dump_global(stdout, 0); |
| 2684 | |
| 2685 | /* Bad case: Invalid RAI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2686 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli, &rai_unknown); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2687 | |
| 2688 | dump_global(stdout, 0); |
| 2689 | |
| 2690 | /* Bad case: Invalid MCC (LAC ok) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2691 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2692 | &rai_wrong_mcc_sgsn); |
| 2693 | |
| 2694 | dump_global(stdout, 0); |
| 2695 | |
| 2696 | /* Detach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2697 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2698 | local_bss_tlli, &rai_bss, cell_id, |
| 2699 | GPRS_SAPI_GMM, bss_nu++, |
| 2700 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2701 | |
| 2702 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2703 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2704 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2705 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2706 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2707 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2708 | |
| 2709 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2710 | |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2711 | /* RA Update request */ |
| 2712 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2713 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2714 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2715 | GPRS_SAPI_GMM, bss_nu++, |
| 2716 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2717 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2718 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2719 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2720 | GPRS_SAPI_GMM, bss_nu++, |
| 2721 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2722 | |
| 2723 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2724 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2725 | send_llc_dl_ui(nsi, "RA UDP ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2726 | random_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 2727 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2728 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
| 2729 | |
| 2730 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2731 | |
| 2732 | /* Detach */ |
| 2733 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2734 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2735 | local_bss_tlli, &rai_bss, cell_id, |
| 2736 | GPRS_SAPI_GMM, bss_nu++, |
| 2737 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2738 | |
| 2739 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2740 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2741 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2742 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2743 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2744 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2745 | |
| 2746 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2747 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2748 | /* Special case: Repeated Attach Requests */ |
| 2749 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2750 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2751 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2752 | GPRS_SAPI_GMM, bss_nu++, |
| 2753 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2754 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2755 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2756 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2757 | GPRS_SAPI_GMM, bss_nu++, |
| 2758 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2759 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2760 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2761 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2762 | GPRS_SAPI_GMM, bss_nu++, |
| 2763 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2764 | |
| 2765 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2766 | |
| 2767 | /* Special case: Detach from an unknown TLLI */ |
| 2768 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2769 | 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] | 2770 | other_bss_tlli, &rai_bss, cell_id, |
| 2771 | GPRS_SAPI_GMM, bss_nu++, |
| 2772 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2773 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2774 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2775 | |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2776 | /* Special case: Repeated RA Update Requests */ |
| 2777 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2778 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2779 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2780 | GPRS_SAPI_GMM, bss_nu++, |
| 2781 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2782 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2783 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2784 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2785 | GPRS_SAPI_GMM, bss_nu++, |
| 2786 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2787 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2788 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2789 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2790 | GPRS_SAPI_GMM, bss_nu++, |
| 2791 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2792 | |
| 2793 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2794 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2795 | dump_global(stdout, 0); |
| 2796 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 2797 | talloc_free(gbcfg.core_apn); |
| 2798 | gbcfg.core_apn = NULL; |
| 2799 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2800 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2801 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2802 | nsi = NULL; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 2803 | |
| 2804 | cleanup_test(); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2805 | } |
| 2806 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2807 | static void test_gbproxy_secondary_sgsn() |
| 2808 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2809 | 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] | 2810 | struct gprs_ra_id rai_bss = |
| 2811 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2812 | struct gprs_ra_id rai_sgsn = |
| 2813 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2814 | struct gprs_ra_id rai_unknown = |
| 2815 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2816 | uint16_t cell_id = 0x1234; |
| 2817 | |
| 2818 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2819 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2820 | const uint32_t random_sgsn_tlli = 0x78dead00; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2821 | |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2822 | const uint32_t bss_ptmsi = 0xc0dead01; |
| 2823 | const uint32_t local_bss_tlli = 0xc0dead01; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2824 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2825 | |
| 2826 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 2827 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2828 | const uint32_t random_sgsn_tlli2 = 0x78dead02; |
| 2829 | const uint32_t bss_ptmsi2 = 0xc0dead03; |
| 2830 | const uint32_t local_bss_tlli2 = 0xc0dead03; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2831 | const uint32_t foreign_bss_tlli2 = 0x8000beef; |
| 2832 | |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2833 | const uint32_t random_sgsn_tlli3 = 0x78dead04; |
| 2834 | const uint32_t bss_ptmsi3 = 0xc0dead05; |
| 2835 | const uint32_t local_bss_tlli3 = 0xc0dead05; |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2836 | const uint32_t foreign_bss_tlli3 = 0x8000feed; |
| 2837 | |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 2838 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
| 2839 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0xf8}; |
| 2840 | const uint8_t imsi3[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x26, 0x27, 0xf8}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2841 | struct gbproxy_link_info *link_info; |
| 2842 | struct gbproxy_link_info *other_info; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2843 | struct gbproxy_peer *peer; |
| 2844 | unsigned bss_nu = 0; |
| 2845 | unsigned sgsn_nu = 0; |
| 2846 | |
| 2847 | const char *err_msg = NULL; |
| 2848 | const char *filter_re = "999999"; |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2849 | uint16_t bss_nsei[] = { 0x1000 }; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2850 | |
| 2851 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2852 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 2853 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2854 | gbcfg.nsi = nsi; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2855 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 2856 | gbcfg.core_plmn = (struct osmo_plmn_id){ .mcc = 123, .mnc = 456 }; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 2857 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2858 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2859 | gbcfg.patch_ptmsi = 1; |
| 2860 | gbcfg.acquire_imsi = 1; |
Daniel Willmann | 537d480 | 2015-10-12 19:36:35 +0200 | [diff] [blame] | 2861 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2862 | gbcfg.route_to_sgsn2 = 1; |
| 2863 | gbcfg.nsip_sgsn2_nsei = SGSN2_NSEI; |
| 2864 | |
Jacob Erlbeck | b36032c | 2014-09-25 13:21:48 +0200 | [diff] [blame] | 2865 | if (gbproxy_set_patch_filter(&gbcfg.matches[GBPROX_MATCH_ROUTING], |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 2866 | filter_re, &err_msg) != 0) { |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2867 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 2868 | err_msg); |
| 2869 | OSMO_ASSERT(err_msg == NULL); |
| 2870 | } |
| 2871 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2872 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2873 | |
| 2874 | printf("=== %s ===\n", __func__); |
| 2875 | printf("--- Initialise SGSN 1 ---\n\n"); |
| 2876 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2877 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2878 | |
| 2879 | printf("--- Initialise SGSN 2 ---\n\n"); |
| 2880 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2881 | connect_sgsn(nsi, SGSN2_NSEI); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2882 | |
| 2883 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2884 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2885 | setup_ns(nsi, bss_nsei[0]); |
| 2886 | setup_bssgp(nsi, bss_nsei[0], 0x0); |
| 2887 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x0); |
| 2888 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
| 2889 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
| 2890 | send_bssgp_reset_ack(nsi, SGSN2_NSEI, 0x1002); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2891 | |
| 2892 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2893 | OSMO_ASSERT(peer != NULL); |
| 2894 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2895 | dump_global(stdout, 0); |
| 2896 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2897 | |
| 2898 | printf("--- Flow control ---\n\n"); |
| 2899 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2900 | send_bssgp_flow_control_bvc(nsi, bss_nsei[0], 0x1002, 1); |
| 2901 | send_bssgp_flow_control_bvc_ack(nsi, SGSN_NSEI, 0x1002, 1); |
| 2902 | send_bssgp_flow_control_bvc_ack(nsi, SGSN2_NSEI, 0x1002, 1); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2903 | |
| 2904 | printf("--- Establish GPRS connection (SGSN 1) ---\n\n"); |
| 2905 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2906 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2907 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2908 | GPRS_SAPI_GMM, bss_nu++, |
| 2909 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2910 | |
| 2911 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2912 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2913 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2914 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2915 | GPRS_SAPI_GMM, bss_nu++, |
| 2916 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2917 | |
| 2918 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2919 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2920 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2921 | random_sgsn_tlli, 0, NULL, 0, |
| 2922 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2923 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2924 | |
| 2925 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2926 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2927 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2928 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2929 | GPRS_SAPI_GMM, bss_nu++, |
| 2930 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2931 | |
| 2932 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2933 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2934 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2935 | random_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2936 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2937 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2938 | |
| 2939 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2940 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2941 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2942 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2943 | OSMO_ASSERT(link_info); |
| 2944 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2945 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2946 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2947 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2948 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2949 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2950 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2951 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2952 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2953 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2954 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2955 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2956 | local_bss_tlli, &rai_bss, cell_id, |
| 2957 | GPRS_SAPI_GMM, bss_nu++, |
| 2958 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2959 | |
| 2960 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2961 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2962 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2963 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2964 | OSMO_ASSERT(link_info); |
| 2965 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2966 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2967 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2968 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2969 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2970 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2971 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2972 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2973 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2974 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2975 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2976 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2977 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2978 | |
| 2979 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2980 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2981 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2982 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2983 | OSMO_ASSERT(link_info); |
| 2984 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2985 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2986 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2987 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2988 | |
| 2989 | /* Non-DTAP */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2990 | send_bssgp_ul_unitdata(nsi, "XID (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2991 | local_bss_tlli, &rai_bss, cell_id, |
| 2992 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2993 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2994 | send_bssgp_dl_unitdata(nsi, "XID (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2995 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2996 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2997 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 2998 | 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] | 2999 | local_bss_tlli, &rai_bss, cell_id, |
| 3000 | llc_ui_ll11_dns_query_ul, |
| 3001 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 3002 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3003 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3004 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 3005 | llc_ui_ll11_dns_resp_dl, |
| 3006 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 3007 | |
| 3008 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3009 | |
| 3010 | /* Other messages */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3011 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3012 | local_bss_tlli, 1, 12); |
| 3013 | |
| 3014 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3015 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3016 | send_bssgp_llc_discarded(nsi, SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3017 | local_sgsn_tlli, 1, 12); |
| 3018 | |
| 3019 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3020 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3021 | send_bssgp_suspend(nsi, bss_nsei[0], local_bss_tlli, &rai_bss); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3022 | |
| 3023 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3024 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3025 | send_bssgp_suspend_ack(nsi, SGSN_NSEI, local_sgsn_tlli, &rai_sgsn); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3026 | |
| 3027 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3028 | |
| 3029 | printf("--- Establish GPRS connection (SGSN 2) ---\n\n"); |
| 3030 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3031 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3032 | foreign_bss_tlli2, &rai_unknown, cell_id, |
| 3033 | GPRS_SAPI_GMM, bss_nu++, |
| 3034 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3035 | |
| 3036 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3037 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3038 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3039 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 3040 | GPRS_SAPI_GMM, bss_nu++, |
| 3041 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 3042 | |
| 3043 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3044 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3045 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3046 | random_sgsn_tlli2, 0, NULL, 0, |
| 3047 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3048 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3049 | |
| 3050 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3051 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3052 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3053 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 3054 | GPRS_SAPI_GMM, bss_nu++, |
Jacob Erlbeck | 2bb4543 | 2014-09-17 12:05:08 +0200 | [diff] [blame] | 3055 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3056 | |
| 3057 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3058 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3059 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3060 | random_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3061 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3062 | dtap_attach_acc2, sizeof(dtap_attach_acc2)); |
| 3063 | |
| 3064 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3065 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3066 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli2, SGSN_NSEI)); |
| 3067 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli2, SGSN2_NSEI); |
| 3068 | OSMO_ASSERT(link_info); |
| 3069 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 3070 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli2); |
| 3071 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 3072 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3073 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi2); |
| 3074 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 3075 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 3076 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 3077 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 3078 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3079 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3080 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3081 | local_bss_tlli2, &rai_bss, cell_id, |
| 3082 | GPRS_SAPI_GMM, bss_nu++, |
| 3083 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3084 | |
| 3085 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3086 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3087 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI)); |
| 3088 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN2_NSEI); |
| 3089 | OSMO_ASSERT(link_info); |
| 3090 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 3091 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli2); |
| 3092 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 3093 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3094 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 3095 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 3096 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 3097 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3098 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3099 | send_llc_dl_ui(nsi, "GMM INFO", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3100 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3101 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3102 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3103 | |
| 3104 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3105 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3106 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI)); |
| 3107 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN2_NSEI); |
| 3108 | OSMO_ASSERT(link_info); |
| 3109 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli2); |
| 3110 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 3111 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli2); |
| 3112 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3113 | |
| 3114 | /* Non-DTAP */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3115 | send_bssgp_ul_unitdata(nsi, "XID (UL)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3116 | local_bss_tlli2, &rai_bss, cell_id, |
| 3117 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 3118 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3119 | send_bssgp_dl_unitdata(nsi, "XID (DL)", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3120 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3121 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 3122 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3123 | 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] | 3124 | local_bss_tlli2, &rai_bss, cell_id, |
| 3125 | llc_ui_ll11_dns_query_ul, |
| 3126 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 3127 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3128 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3129 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3130 | llc_ui_ll11_dns_resp_dl, |
| 3131 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 3132 | |
| 3133 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3134 | |
| 3135 | /* Other messages */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3136 | send_bssgp_llc_discarded(nsi, bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3137 | local_bss_tlli2, 1, 12); |
| 3138 | |
| 3139 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3140 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3141 | send_bssgp_llc_discarded(nsi, SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3142 | local_sgsn_tlli2, 1, 12); |
| 3143 | |
| 3144 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3145 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3146 | send_bssgp_suspend(nsi, bss_nsei[0], local_bss_tlli2, &rai_bss); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3147 | |
| 3148 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3149 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3150 | send_bssgp_suspend_ack(nsi, SGSN2_NSEI, local_sgsn_tlli2, &rai_sgsn); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3151 | |
| 3152 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3153 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3154 | printf("--- Establish GPRS connection (SGSN 2, P-TMSI collision) ---\n\n"); |
| 3155 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3156 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3157 | foreign_bss_tlli3, &rai_unknown, cell_id, |
| 3158 | GPRS_SAPI_GMM, bss_nu++, |
| 3159 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3160 | |
| 3161 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3162 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3163 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3164 | foreign_bss_tlli3, &rai_bss, cell_id, |
| 3165 | GPRS_SAPI_GMM, bss_nu++, |
| 3166 | dtap_identity3_resp, sizeof(dtap_identity3_resp)); |
| 3167 | |
| 3168 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3169 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3170 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3171 | random_sgsn_tlli3, 0, NULL, 0, |
| 3172 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3173 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3174 | |
| 3175 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3176 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3177 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3178 | foreign_bss_tlli3, &rai_bss, cell_id, |
| 3179 | GPRS_SAPI_GMM, bss_nu++, |
| 3180 | dtap_identity3_resp, sizeof(dtap_identity3_resp)); |
| 3181 | |
| 3182 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3183 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3184 | 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] | 3185 | random_sgsn_tlli3, 1, imsi3, sizeof(imsi3), |
| 3186 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3187 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3188 | |
| 3189 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3190 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3191 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli3, SGSN_NSEI)); |
| 3192 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli3, SGSN2_NSEI); |
| 3193 | OSMO_ASSERT(link_info); |
| 3194 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 3195 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli3); |
| 3196 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 3197 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3198 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi3); |
| 3199 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 3200 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli3); |
| 3201 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 3202 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 3203 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3204 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3205 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3206 | local_bss_tlli3, &rai_bss, cell_id, |
| 3207 | GPRS_SAPI_GMM, bss_nu++, |
| 3208 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3209 | |
| 3210 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3211 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3212 | 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] | 3213 | OSMO_ASSERT(other_info); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3214 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI); |
| 3215 | OSMO_ASSERT(link_info); |
| 3216 | OSMO_ASSERT(link_info != other_info); |
| 3217 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 3218 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli3); |
| 3219 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 3220 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3221 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 3222 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli3); |
| 3223 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 3224 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3225 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3226 | send_llc_dl_ui(nsi, "GMM INFO", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3227 | local_sgsn_tlli, 1, imsi3, sizeof(imsi3), |
| 3228 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3229 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3230 | |
| 3231 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3232 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3233 | 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] | 3234 | OSMO_ASSERT(other_info); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3235 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI); |
| 3236 | OSMO_ASSERT(link_info); |
| 3237 | OSMO_ASSERT(link_info != other_info); |
| 3238 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli3); |
| 3239 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 3240 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 3241 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3242 | |
| 3243 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3244 | printf("--- Shutdown GPRS connection (SGSN 1) ---\n\n"); |
| 3245 | |
| 3246 | /* Detach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3247 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3248 | local_bss_tlli, &rai_bss, cell_id, |
| 3249 | GPRS_SAPI_GMM, bss_nu++, |
| 3250 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3251 | |
| 3252 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3253 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3254 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3255 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 3256 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3257 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3258 | |
| 3259 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3260 | |
| 3261 | printf("--- Shutdown GPRS connection (SGSN 2) ---\n\n"); |
| 3262 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3263 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3264 | local_bss_tlli2, &rai_bss, cell_id, |
| 3265 | GPRS_SAPI_GMM, bss_nu++, |
| 3266 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3267 | |
| 3268 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3269 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3270 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3271 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3272 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3273 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3274 | |
| 3275 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3276 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3277 | printf("--- Shutdown GPRS connection (SGSN 2, P-TMSI 1) ---\n\n"); |
| 3278 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3279 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3280 | local_bss_tlli3, &rai_bss, cell_id, |
| 3281 | GPRS_SAPI_GMM, bss_nu++, |
| 3282 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3283 | |
| 3284 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3285 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3286 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN2_NSEI, 0x1002, |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3287 | local_sgsn_tlli, 1, imsi3, sizeof(imsi3), |
| 3288 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3289 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3290 | |
| 3291 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3292 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3293 | dump_global(stdout, 0); |
| 3294 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 3295 | talloc_free(gbcfg.core_apn); |
| 3296 | gbcfg.core_apn = NULL; |
| 3297 | |
Jacob Erlbeck | b36032c | 2014-09-25 13:21:48 +0200 | [diff] [blame] | 3298 | gbproxy_clear_patch_filter(&gbcfg.matches[GBPROX_MATCH_ROUTING]); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3299 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3300 | gprs_ns2_free(nsi); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3301 | nsi = NULL; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 3302 | |
| 3303 | cleanup_test(); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3304 | } |
| 3305 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3306 | static void test_gbproxy_keep_info() |
| 3307 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3308 | 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] | 3309 | struct gprs_ra_id rai_bss = |
| 3310 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 3311 | uint16_t cell_id = 0x1234; |
| 3312 | |
| 3313 | const uint32_t ptmsi = 0xefe2b700; |
| 3314 | const uint32_t local_tlli = 0xefe2b700; |
| 3315 | const uint32_t foreign_tlli = 0xafe2b700; |
| 3316 | |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 3317 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0xf8}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3318 | struct gbproxy_link_info *link_info, *link_info2; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3319 | struct gbproxy_peer *peer; |
| 3320 | unsigned bss_nu = 0; |
| 3321 | unsigned sgsn_nu = 0; |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3322 | uint16_t bss_nsei[] = { 0x1000 }; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3323 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3324 | LLIST_HEAD(rcv_list); |
| 3325 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3326 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 3327 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3328 | gbcfg.nsi = nsi; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3329 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 3330 | gbcfg.patch_ptmsi = 0; |
| 3331 | gbcfg.acquire_imsi = 1; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 3332 | gbcfg.core_plmn = (struct osmo_plmn_id){}; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3333 | gbcfg.core_apn = NULL; |
| 3334 | gbcfg.core_apn_size = 0; |
| 3335 | gbcfg.route_to_sgsn2 = 0; |
| 3336 | gbcfg.nsip_sgsn2_nsei = 0xffff; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3337 | gbcfg.keep_link_infos = GBPROX_KEEP_ALWAYS; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3338 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3339 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3340 | |
| 3341 | printf("=== %s ===\n", __func__); |
| 3342 | printf("--- Initialise SGSN ---\n\n"); |
| 3343 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3344 | connect_sgsn(nsi, SGSN_NSEI); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3345 | |
| 3346 | printf("--- Initialise BSS 1 ---\n\n"); |
| 3347 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3348 | setup_ns(nsi, bss_nsei[0]); |
| 3349 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3350 | |
| 3351 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 3352 | OSMO_ASSERT(peer != NULL); |
| 3353 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3354 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3355 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3356 | dump_global(stdout, 0); |
| 3357 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3358 | |
| 3359 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 3360 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3361 | received_messages = &rcv_list; |
| 3362 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3363 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3364 | foreign_tlli, &rai_bss, cell_id, |
| 3365 | GPRS_SAPI_GMM, bss_nu++, |
| 3366 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3367 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3368 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 3369 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3370 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3371 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3372 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3373 | OSMO_ASSERT(link_info); |
| 3374 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3375 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3376 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3377 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3378 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3379 | foreign_tlli, &rai_bss, cell_id, |
| 3380 | GPRS_SAPI_GMM, bss_nu++, |
| 3381 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3382 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3383 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3384 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3385 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3386 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3387 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3388 | OSMO_ASSERT(link_info); |
| 3389 | OSMO_ASSERT(link_info->imsi_len > 0); |
| 3390 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3391 | OSMO_ASSERT(gprs_tlli_type(link_info->sgsn_tlli.current) == TLLI_FOREIGN); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3392 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3393 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3394 | foreign_tlli, 0, NULL, 0, |
| 3395 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3396 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3397 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3398 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 3399 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3400 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3401 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3402 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3403 | foreign_tlli, &rai_bss, cell_id, |
| 3404 | GPRS_SAPI_GMM, bss_nu++, |
| 3405 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3406 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3407 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ID_RESP)); |
| 3408 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3409 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3410 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3411 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3412 | OSMO_ASSERT(link_info); |
| 3413 | OSMO_ASSERT(link_info->imsi_len > 0); |
| 3414 | OSMO_ASSERT(gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi))); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3415 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3416 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3417 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3418 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3419 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3420 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3421 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3422 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3423 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3424 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3425 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3426 | local_tlli, &rai_bss, cell_id, |
| 3427 | GPRS_SAPI_GMM, bss_nu++, |
| 3428 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3429 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3430 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3431 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3432 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3433 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3434 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3435 | local_tlli, 1, imsi, sizeof(imsi), |
| 3436 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3437 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3438 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3439 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 3440 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3441 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3442 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3443 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3444 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3445 | |
| 3446 | /* Detach (MO) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3447 | send_llc_ul_ui(nsi, "DETACH REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3448 | local_tlli, &rai_bss, cell_id, |
| 3449 | GPRS_SAPI_GMM, bss_nu++, |
| 3450 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3451 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3452 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3453 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3454 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3455 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3456 | |
| 3457 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3458 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3459 | send_llc_dl_ui(nsi, "DETACH ACC", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3460 | local_tlli, 1, imsi, sizeof(imsi), |
| 3461 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3462 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3463 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3464 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3465 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3466 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3467 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3468 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3469 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3470 | OSMO_ASSERT(link_info); |
| 3471 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3472 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3473 | OSMO_ASSERT(!expect_msg()); |
| 3474 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3475 | /* Re-Attach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3476 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3477 | foreign_tlli, &rai_bss, cell_id, |
| 3478 | GPRS_SAPI_GMM, bss_nu++, |
| 3479 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3480 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3481 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3482 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3483 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3484 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3485 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3486 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3487 | OSMO_ASSERT(link_info); |
| 3488 | OSMO_ASSERT(link_info == link_info2); |
| 3489 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3490 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3491 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3492 | OSMO_ASSERT(gprs_tlli_type(link_info->sgsn_tlli.current) == TLLI_FOREIGN); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3493 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3494 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3495 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3496 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3497 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3498 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3499 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3500 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3501 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3502 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3503 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3504 | local_tlli, &rai_bss, cell_id, |
| 3505 | GPRS_SAPI_GMM, bss_nu++, |
| 3506 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3507 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3508 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3509 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3510 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3511 | |
| 3512 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3513 | send_llc_dl_ui(nsi, "DETACH REQ (re-attach)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3514 | local_tlli, 1, imsi, sizeof(imsi), |
| 3515 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3516 | dtap_mt_detach_rea_req, sizeof(dtap_mt_detach_rea_req)); |
| 3517 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3518 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3519 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3520 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3521 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3522 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3523 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3524 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3525 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3526 | local_tlli, &rai_bss, cell_id, |
| 3527 | GPRS_SAPI_GMM, bss_nu++, |
| 3528 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3529 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3530 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3531 | OSMO_ASSERT(!expect_msg()); |
| 3532 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3533 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3534 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3535 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3536 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3537 | OSMO_ASSERT(link_info); |
| 3538 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3539 | |
| 3540 | /* Re-Attach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3541 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3542 | foreign_tlli, &rai_bss, cell_id, |
| 3543 | GPRS_SAPI_GMM, bss_nu++, |
| 3544 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3545 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3546 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3547 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3548 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3549 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3550 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3551 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3552 | OSMO_ASSERT(link_info); |
| 3553 | OSMO_ASSERT(link_info == link_info2); |
| 3554 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3555 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3556 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3557 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3558 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3559 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3560 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3561 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3562 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3563 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3564 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3565 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3566 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3567 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3568 | local_tlli, &rai_bss, cell_id, |
| 3569 | GPRS_SAPI_GMM, bss_nu++, |
| 3570 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3571 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3572 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3573 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3574 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3575 | |
| 3576 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3577 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3578 | local_tlli, 1, imsi, sizeof(imsi), |
| 3579 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3580 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3581 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3582 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3583 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3584 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3585 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3586 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3587 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3588 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3589 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3590 | local_tlli, &rai_bss, cell_id, |
| 3591 | GPRS_SAPI_GMM, bss_nu++, |
| 3592 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3593 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3594 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3595 | OSMO_ASSERT(!expect_msg()); |
| 3596 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3597 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3598 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3599 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3600 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3601 | OSMO_ASSERT(link_info); |
| 3602 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3603 | |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3604 | /* Re-Attach with IMSI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3605 | send_llc_ul_ui(nsi, "ATTACH REQUEST (IMSI)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3606 | foreign_tlli, &rai_bss, cell_id, |
| 3607 | GPRS_SAPI_GMM, bss_nu++, |
| 3608 | dtap_attach_req4, sizeof(dtap_attach_req4)); |
| 3609 | |
| 3610 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3611 | |
| 3612 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3613 | |
| 3614 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3615 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3616 | OSMO_ASSERT(link_info); |
| 3617 | OSMO_ASSERT(link_info == link_info2); |
| 3618 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3619 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3620 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3621 | OSMO_ASSERT(link_info->sgsn_tlli.current == foreign_tlli); |
| 3622 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3623 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3624 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3625 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3626 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3627 | |
| 3628 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3629 | |
| 3630 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3631 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3632 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3633 | local_tlli, &rai_bss, cell_id, |
| 3634 | GPRS_SAPI_GMM, bss_nu++, |
| 3635 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3636 | |
| 3637 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3638 | |
| 3639 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3640 | |
| 3641 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3642 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3643 | local_tlli, 1, imsi, sizeof(imsi), |
| 3644 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3645 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3646 | |
| 3647 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3648 | |
| 3649 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3650 | |
| 3651 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3652 | OSMO_ASSERT(link_info); |
| 3653 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3654 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3655 | local_tlli, &rai_bss, cell_id, |
| 3656 | GPRS_SAPI_GMM, bss_nu++, |
| 3657 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3658 | |
| 3659 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3660 | OSMO_ASSERT(!expect_msg()); |
| 3661 | |
| 3662 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3663 | |
| 3664 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3665 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3666 | OSMO_ASSERT(link_info); |
| 3667 | OSMO_ASSERT(link_info->is_deregistered); |
| 3668 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3669 | /* Re-Attach */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3670 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3671 | foreign_tlli, &rai_bss, cell_id, |
| 3672 | GPRS_SAPI_GMM, bss_nu++, |
| 3673 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3674 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3675 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3676 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3677 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3678 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3679 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3680 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3681 | OSMO_ASSERT(link_info); |
| 3682 | OSMO_ASSERT(link_info == link_info2); |
| 3683 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3684 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3685 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3686 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3687 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3688 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3689 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3690 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3691 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3692 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3693 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3694 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3695 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3696 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3697 | local_tlli, &rai_bss, cell_id, |
| 3698 | GPRS_SAPI_GMM, bss_nu++, |
| 3699 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3700 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3701 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3702 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3703 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3704 | |
| 3705 | /* RA update procedure (reject -> Detach) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3706 | send_llc_ul_ui(nsi, "RA UPD REQ", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3707 | local_tlli, &rai_bss, 0x7080, |
| 3708 | GPRS_SAPI_GMM, bss_nu++, |
| 3709 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 3710 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3711 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_RA_UPD_REQ)); |
| 3712 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3713 | send_llc_dl_ui(nsi, "RA UDP REJ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3714 | local_tlli, 1, imsi, sizeof(imsi), |
| 3715 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3716 | dtap_ra_upd_rej, sizeof(dtap_ra_upd_rej)); |
| 3717 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3718 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_RA_UPD_REJ)); |
| 3719 | OSMO_ASSERT(!expect_msg()); |
| 3720 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3721 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3722 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3723 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3724 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3725 | OSMO_ASSERT(link_info); |
| 3726 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3727 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3728 | /* Bad case: Re-Attach with wrong (initial) P-TMSI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3729 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3730 | foreign_tlli, &rai_bss, cell_id, |
| 3731 | GPRS_SAPI_GMM, bss_nu++, |
| 3732 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3733 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3734 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 3735 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3736 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3737 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3738 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3739 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3740 | OSMO_ASSERT(link_info); |
| 3741 | OSMO_ASSERT(link_info != link_info2); |
| 3742 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3743 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3744 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3745 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3746 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 3747 | foreign_tlli, &rai_bss, cell_id, |
| 3748 | GPRS_SAPI_GMM, bss_nu++, |
| 3749 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3750 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3751 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3752 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 3753 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3754 | |
| 3755 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3756 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3757 | OSMO_ASSERT(link_info); |
| 3758 | OSMO_ASSERT(link_info == link_info2); |
| 3759 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3760 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3761 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3762 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3763 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3764 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3765 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3766 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3767 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3768 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3769 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3770 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3771 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3772 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3773 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3774 | OSMO_ASSERT(link_info); |
| 3775 | OSMO_ASSERT(link_info == link_info2); |
Jacob Erlbeck | ea71b48 | 2014-09-22 09:28:27 +0200 | [diff] [blame] | 3776 | OSMO_ASSERT(link_info->imsi_len > 0); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3777 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3778 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3779 | local_tlli, &rai_bss, cell_id, |
| 3780 | GPRS_SAPI_GMM, bss_nu++, |
| 3781 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3782 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3783 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3784 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3785 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3786 | |
| 3787 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3788 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3789 | local_tlli, 1, imsi, sizeof(imsi), |
| 3790 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3791 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3792 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3793 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3794 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3795 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3796 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3797 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3798 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3799 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3800 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3801 | local_tlli, &rai_bss, cell_id, |
| 3802 | GPRS_SAPI_GMM, bss_nu++, |
| 3803 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3804 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3805 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3806 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3807 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3808 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3809 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3810 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3811 | OSMO_ASSERT(link_info); |
| 3812 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3813 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 3814 | OSMO_ASSERT(!expect_msg()); |
| 3815 | |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3816 | /* Bad case: Re-Attach with local TLLI */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3817 | 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] | 3818 | local_tlli, &rai_bss, cell_id, |
| 3819 | GPRS_SAPI_GMM, bss_nu++, |
| 3820 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3821 | |
| 3822 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3823 | |
| 3824 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3825 | |
| 3826 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3827 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3828 | OSMO_ASSERT(link_info); |
| 3829 | OSMO_ASSERT(link_info == link_info2); |
| 3830 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3831 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3832 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3833 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_tlli); |
| 3834 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3835 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3836 | local_tlli, 1, imsi, sizeof(imsi), |
| 3837 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3838 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3839 | |
| 3840 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3841 | |
| 3842 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3843 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3844 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3845 | local_tlli, &rai_bss, cell_id, |
| 3846 | GPRS_SAPI_GMM, bss_nu++, |
| 3847 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3848 | |
| 3849 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3850 | |
| 3851 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3852 | |
| 3853 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3854 | send_llc_dl_ui(nsi, "DETACH REQ (re-attach)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3855 | local_tlli, 1, imsi, sizeof(imsi), |
| 3856 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3857 | dtap_mt_detach_rea_req, sizeof(dtap_mt_detach_rea_req)); |
| 3858 | |
| 3859 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3860 | |
| 3861 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3862 | |
| 3863 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3864 | OSMO_ASSERT(link_info); |
| 3865 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3866 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3867 | local_tlli, &rai_bss, cell_id, |
| 3868 | GPRS_SAPI_GMM, bss_nu++, |
| 3869 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3870 | |
| 3871 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3872 | OSMO_ASSERT(!expect_msg()); |
| 3873 | |
| 3874 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3875 | |
| 3876 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3877 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3878 | OSMO_ASSERT(link_info); |
| 3879 | OSMO_ASSERT(link_info->is_deregistered); |
| 3880 | |
| 3881 | /* Bad case: Unexpected Re-Attach with IMSI after completed attachment |
| 3882 | * procedure */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3883 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3884 | foreign_tlli, &rai_bss, cell_id, |
| 3885 | GPRS_SAPI_GMM, bss_nu++, |
| 3886 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3887 | |
| 3888 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3889 | |
| 3890 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3891 | |
| 3892 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3893 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3894 | OSMO_ASSERT(link_info); |
| 3895 | OSMO_ASSERT(link_info == link_info2); |
| 3896 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3897 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3898 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3899 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3900 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3901 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3902 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3903 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3904 | |
| 3905 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3906 | |
| 3907 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3908 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3909 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3910 | local_tlli, &rai_bss, cell_id, |
| 3911 | GPRS_SAPI_GMM, bss_nu++, |
| 3912 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3913 | |
| 3914 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3915 | |
| 3916 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3917 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3918 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3919 | local_tlli, 1, imsi, sizeof(imsi), |
| 3920 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3921 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3922 | |
| 3923 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 3924 | |
| 3925 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3926 | |
| 3927 | send_llc_ul_ui(nsi, "ATTACH REQUEST (unexpected, IMSI)", |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3928 | bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3929 | foreign_tlli, &rai_bss, cell_id, |
| 3930 | GPRS_SAPI_GMM, bss_nu++, |
| 3931 | dtap_attach_req4, sizeof(dtap_attach_req4)); |
| 3932 | |
| 3933 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 3934 | |
| 3935 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3936 | |
| 3937 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3938 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
Jacob Erlbeck | 59ac49d | 2014-10-30 17:15:43 +0100 | [diff] [blame] | 3939 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3940 | OSMO_ASSERT(link_info == link_info2); |
| 3941 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3942 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3943 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 59ac49d | 2014-10-30 17:15:43 +0100 | [diff] [blame] | 3944 | OSMO_ASSERT(link_info->sgsn_tlli.current == foreign_tlli); |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3945 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
| 3946 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3947 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3948 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3949 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3950 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3951 | |
| 3952 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 3953 | |
| 3954 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3955 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3956 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3957 | local_tlli, &rai_bss, cell_id, |
| 3958 | GPRS_SAPI_GMM, bss_nu++, |
| 3959 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3960 | |
| 3961 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 3962 | |
| 3963 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3964 | |
| 3965 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3966 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3967 | local_tlli, 1, imsi, sizeof(imsi), |
| 3968 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3969 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3970 | |
| 3971 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 3972 | |
| 3973 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3974 | |
| 3975 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3976 | OSMO_ASSERT(link_info); |
| 3977 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3978 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3979 | local_tlli, &rai_bss, cell_id, |
| 3980 | GPRS_SAPI_GMM, bss_nu++, |
| 3981 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3982 | |
| 3983 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 3984 | OSMO_ASSERT(!expect_msg()); |
| 3985 | |
| 3986 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3987 | |
| 3988 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3989 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3990 | OSMO_ASSERT(link_info); |
| 3991 | OSMO_ASSERT(link_info->is_deregistered); |
| 3992 | |
| 3993 | /* Bad case: Unexpected Re-Attach with P-TMSI after completed attachment |
| 3994 | * procedure */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 3995 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 3996 | foreign_tlli, &rai_bss, cell_id, |
| 3997 | GPRS_SAPI_GMM, bss_nu++, |
| 3998 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3999 | |
| 4000 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 4001 | |
| 4002 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4003 | |
| 4004 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4005 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4006 | OSMO_ASSERT(link_info); |
| 4007 | OSMO_ASSERT(link_info == link_info2); |
| 4008 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 4009 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4010 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 4011 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4012 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4013 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 4014 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4015 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 4016 | |
| 4017 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 4018 | |
| 4019 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4020 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4021 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4022 | local_tlli, &rai_bss, cell_id, |
| 4023 | GPRS_SAPI_GMM, bss_nu++, |
| 4024 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 4025 | |
| 4026 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 4027 | |
| 4028 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4029 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4030 | send_llc_dl_ui(nsi, "GMM INFO", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4031 | local_tlli, 1, imsi, sizeof(imsi), |
| 4032 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4033 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 4034 | |
| 4035 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 4036 | |
| 4037 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4038 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4039 | send_llc_ul_ui(nsi, "ATTACH REQUEST (unexpected)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4040 | foreign_tlli, &rai_bss, cell_id, |
| 4041 | GPRS_SAPI_GMM, bss_nu++, |
| 4042 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 4043 | |
| 4044 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 4045 | |
| 4046 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4047 | |
| 4048 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4049 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
Jacob Erlbeck | 59ac49d | 2014-10-30 17:15:43 +0100 | [diff] [blame] | 4050 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4051 | OSMO_ASSERT(link_info == link_info2); |
| 4052 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 4053 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4054 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 59ac49d | 2014-10-30 17:15:43 +0100 | [diff] [blame] | 4055 | OSMO_ASSERT(link_info->sgsn_tlli.current == foreign_tlli); |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4056 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
| 4057 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4058 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4059 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 4060 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4061 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 4062 | |
| 4063 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 4064 | |
| 4065 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4066 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4067 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4068 | local_tlli, &rai_bss, cell_id, |
| 4069 | GPRS_SAPI_GMM, bss_nu++, |
| 4070 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 4071 | |
| 4072 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 4073 | |
| 4074 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4075 | |
| 4076 | /* Detach (MT) */ |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4077 | send_llc_dl_ui(nsi, "DETACH REQ", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4078 | local_tlli, 1, imsi, sizeof(imsi), |
| 4079 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4080 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 4081 | |
| 4082 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 4083 | |
| 4084 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4085 | |
| 4086 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 4087 | OSMO_ASSERT(link_info); |
| 4088 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4089 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 9d0fb1e | 2014-10-31 10:43:44 +0100 | [diff] [blame] | 4090 | local_tlli, &rai_bss, cell_id, |
| 4091 | GPRS_SAPI_GMM, bss_nu++, |
| 4092 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 4093 | |
| 4094 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 4095 | OSMO_ASSERT(!expect_msg()); |
| 4096 | |
| 4097 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4098 | |
| 4099 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 4100 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4101 | OSMO_ASSERT(link_info); |
| 4102 | OSMO_ASSERT(link_info->is_deregistered); |
| 4103 | |
| 4104 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4105 | /* Attach rejected */ |
| 4106 | |
| 4107 | gbproxy_delete_link_infos(peer); |
| 4108 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4109 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4110 | foreign_tlli, &rai_bss, cell_id, |
| 4111 | GPRS_SAPI_GMM, bss_nu++, |
| 4112 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 4113 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4114 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 4115 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4116 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4117 | |
| 4118 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4119 | OSMO_ASSERT(link_info); |
| 4120 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 4121 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4122 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 4123 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4124 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4125 | foreign_tlli, &rai_bss, cell_id, |
| 4126 | GPRS_SAPI_GMM, bss_nu++, |
| 4127 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 4128 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4129 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 4130 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4131 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4132 | |
| 4133 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4134 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4135 | OSMO_ASSERT(link_info); |
| 4136 | OSMO_ASSERT(link_info == link_info2); |
| 4137 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 4138 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4139 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 4140 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4141 | send_llc_dl_ui(nsi, "ATTACH REJECT", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4142 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 4143 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4144 | dtap_attach_rej7, sizeof(dtap_attach_rej7)); |
| 4145 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4146 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_REJ)); |
| 4147 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4148 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4149 | |
Jacob Erlbeck | 9c65c81 | 2014-09-22 10:42:05 +0200 | [diff] [blame] | 4150 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, foreign_tlli)); |
| 4151 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4152 | OSMO_ASSERT(!expect_msg()); |
| 4153 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4154 | /* Attach (incomplete) and Detach (MO) */ |
| 4155 | |
| 4156 | gbproxy_delete_link_infos(peer); |
| 4157 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4158 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4159 | foreign_tlli, &rai_bss, cell_id, |
| 4160 | GPRS_SAPI_GMM, bss_nu++, |
| 4161 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 4162 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4163 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 4164 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4165 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4166 | |
| 4167 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4168 | OSMO_ASSERT(link_info); |
| 4169 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 4170 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4171 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 4172 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4173 | send_llc_ul_ui(nsi, "DETACH REQ (MO)", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4174 | foreign_tlli, &rai_bss, cell_id, |
| 4175 | GPRS_SAPI_GMM, bss_nu++, |
| 4176 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 4177 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4178 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 4179 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4180 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4181 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4182 | OSMO_ASSERT(!expect_msg()); |
| 4183 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4184 | /* Attach (incomplete) and Detach (MT) */ |
| 4185 | |
| 4186 | gbproxy_delete_link_infos(peer); |
| 4187 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4188 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4189 | foreign_tlli, &rai_bss, cell_id, |
| 4190 | GPRS_SAPI_GMM, bss_nu++, |
| 4191 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 4192 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4193 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 4194 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4195 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4196 | |
| 4197 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4198 | OSMO_ASSERT(link_info); |
| 4199 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 4200 | OSMO_ASSERT(!link_info->is_deregistered); |
| 4201 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 4202 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4203 | send_llc_dl_ui(nsi, "DETACH REQ (MT)", SGSN_NSEI, 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4204 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 4205 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4206 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 4207 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4208 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 4209 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4210 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4211 | |
| 4212 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 4213 | OSMO_ASSERT(link_info); |
| 4214 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4215 | send_llc_ul_ui(nsi, "DETACH ACC", bss_nsei[0], 0x1002, |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4216 | foreign_tlli, &rai_bss, cell_id, |
| 4217 | GPRS_SAPI_GMM, bss_nu++, |
| 4218 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 4219 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4220 | /* TODO: The stored messaged should be cleaned when receiving a Detach |
| 4221 | * Ack. Remove the first OSMO_ASSERT when this is fixed. */ |
| 4222 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 4223 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 4224 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 4225 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4226 | |
| 4227 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, foreign_tlli)); |
| 4228 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 4229 | OSMO_ASSERT(link_info); |
| 4230 | OSMO_ASSERT(link_info->is_deregistered); |
| 4231 | |
Jacob Erlbeck | fb83ed3 | 2014-09-22 19:16:06 +0200 | [diff] [blame] | 4232 | OSMO_ASSERT(!expect_msg()); |
| 4233 | received_messages = NULL; |
| 4234 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4235 | dump_global(stdout, 0); |
| 4236 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4237 | talloc_free(gbcfg.core_apn); |
| 4238 | gbcfg.core_apn = NULL; |
| 4239 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4240 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4241 | gprs_ns2_free(nsi); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4242 | nsi = NULL; |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 4243 | |
| 4244 | cleanup_test(); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4245 | } |
| 4246 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4247 | struct gbproxy_link_info *register_tlli( |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4248 | struct gbproxy_peer *peer, uint32_t tlli, |
| 4249 | const uint8_t *imsi, size_t imsi_len, time_t now) |
| 4250 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4251 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 4252 | int imsi_matches = -1; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4253 | int tlli_already_known = 0; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4254 | struct gbproxy_config *cfg = peer->cfg; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4255 | |
| 4256 | /* Check, whether the IMSI matches */ |
| 4257 | if (gprs_is_mi_imsi(imsi, imsi_len)) { |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4258 | imsi_matches = gbproxy_check_imsi( |
| 4259 | &cfg->matches[GBPROX_MATCH_PATCHING], imsi, imsi_len); |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 4260 | if (imsi_matches < 0) |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4261 | return NULL; |
| 4262 | } |
| 4263 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4264 | link_info = gbproxy_link_info_by_tlli(peer, tlli); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4265 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4266 | if (!link_info) { |
| 4267 | link_info = gbproxy_link_info_by_imsi(peer, imsi, imsi_len); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4268 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4269 | if (link_info) { |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4270 | /* TLLI has changed somehow, adjust it */ |
| 4271 | LOGP(DGPRS, LOGL_INFO, |
| 4272 | "The TLLI has changed from %08x to %08x\n", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4273 | link_info->tlli.current, tlli); |
| 4274 | link_info->tlli.current = tlli; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4275 | } |
| 4276 | } |
| 4277 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4278 | if (!link_info) { |
| 4279 | link_info = gbproxy_link_info_alloc(peer); |
| 4280 | link_info->tlli.current = tlli; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4281 | } else { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4282 | gbproxy_detach_link_info(peer, link_info); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4283 | tlli_already_known = 1; |
| 4284 | } |
| 4285 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4286 | OSMO_ASSERT(link_info != NULL); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4287 | |
| 4288 | if (!tlli_already_known) |
| 4289 | LOGP(DGPRS, LOGL_INFO, "Adding TLLI %08x to list\n", tlli); |
| 4290 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4291 | gbproxy_attach_link_info(peer, now, link_info); |
| 4292 | gbproxy_update_link_info(link_info, imsi, imsi_len); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4293 | |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 4294 | if (imsi_matches >= 0) |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4295 | link_info->is_matching[GBPROX_MATCH_PATCHING] = imsi_matches; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4296 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4297 | return link_info; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4298 | } |
| 4299 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4300 | static void test_gbproxy_tlli_expire(void) |
| 4301 | { |
| 4302 | struct gbproxy_config cfg = {0}; |
| 4303 | struct gbproxy_peer *peer; |
| 4304 | const char *err_msg = NULL; |
Neels Hofmeyr | 7369d44 | 2020-05-29 17:05:40 +0200 | [diff] [blame] | 4305 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI, 0x23, 0x24, 0x25, 0xf6 }; |
| 4306 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI, 0x26, 0x27, 0x28, 0xf9 }; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4307 | 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] | 4308 | const uint32_t tlli1 = 1234 | 0xc0000000; |
| 4309 | const uint32_t tlli2 = 5678 | 0xc0000000; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4310 | const uint32_t tlli3 = 3456 | 0xc0000000; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4311 | const char *filter_re = ".*"; |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4312 | time_t now = 1407479214; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4313 | |
| 4314 | printf("Test TLLI info expiry\n\n"); |
| 4315 | |
| 4316 | gbproxy_init_config(&cfg); |
| 4317 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4318 | if (gbproxy_set_patch_filter(&cfg.matches[GBPROX_MATCH_PATCHING], |
| 4319 | filter_re, &err_msg) != 0) { |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4320 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 4321 | err_msg); |
| 4322 | OSMO_ASSERT(err_msg == NULL); |
| 4323 | } |
| 4324 | |
| 4325 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4326 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4327 | |
| 4328 | printf("Test TLLI replacement:\n"); |
| 4329 | |
| 4330 | cfg.tlli_max_len = 0; |
| 4331 | cfg.tlli_max_age = 0; |
| 4332 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4333 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4334 | |
| 4335 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4336 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4337 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4338 | OSMO_ASSERT(link_info); |
| 4339 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4340 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4341 | |
| 4342 | /* replace the old entry */ |
| 4343 | printf(" Add TLLI 2, IMSI 1 (should replace TLLI 1)\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4344 | link_info = register_tlli(peer, tlli2, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4345 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4346 | OSMO_ASSERT(link_info); |
| 4347 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4348 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4349 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4350 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4351 | |
| 4352 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4353 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4354 | OSMO_ASSERT(link_info); |
| 4355 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
| 4356 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4357 | OSMO_ASSERT(!link_info); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4358 | |
| 4359 | printf("\n"); |
| 4360 | |
| 4361 | gbproxy_peer_free(peer); |
| 4362 | } |
| 4363 | |
| 4364 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4365 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4366 | |
| 4367 | printf("Test IMSI replacement:\n"); |
| 4368 | |
| 4369 | cfg.tlli_max_len = 0; |
| 4370 | cfg.tlli_max_age = 0; |
| 4371 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4372 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4373 | |
| 4374 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4375 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4376 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4377 | OSMO_ASSERT(link_info); |
| 4378 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4379 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4380 | |
| 4381 | /* try to replace the old entry */ |
| 4382 | printf(" Add TLLI 1, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4383 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4384 | imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4385 | OSMO_ASSERT(link_info); |
| 4386 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4387 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4388 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4389 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4390 | |
| 4391 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4392 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4393 | OSMO_ASSERT(!link_info); |
| 4394 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4395 | OSMO_ASSERT(link_info); |
| 4396 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4397 | |
| 4398 | printf("\n"); |
| 4399 | |
| 4400 | gbproxy_peer_free(peer); |
| 4401 | } |
| 4402 | |
| 4403 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4404 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4405 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4406 | |
| 4407 | printf("Test TLLI expiry, max_len == 1:\n"); |
| 4408 | |
| 4409 | cfg.tlli_max_len = 1; |
| 4410 | cfg.tlli_max_age = 0; |
| 4411 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4412 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4413 | |
| 4414 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4415 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4416 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4417 | |
| 4418 | /* replace the old entry */ |
| 4419 | printf(" Add TLLI 2, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4420 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4421 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4422 | |
Jacob Erlbeck | 51fde08 | 2014-09-19 16:40:21 +0200 | [diff] [blame] | 4423 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 2); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4424 | OSMO_ASSERT(num_removed == 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4425 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4426 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4427 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4428 | |
| 4429 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4430 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4431 | OSMO_ASSERT(!link_info); |
| 4432 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4433 | OSMO_ASSERT(link_info); |
| 4434 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4435 | |
| 4436 | printf("\n"); |
| 4437 | |
| 4438 | gbproxy_peer_free(peer); |
| 4439 | } |
| 4440 | |
| 4441 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4442 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4443 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4444 | |
| 4445 | printf("Test TLLI expiry, max_age == 1:\n"); |
| 4446 | |
| 4447 | cfg.tlli_max_len = 0; |
| 4448 | cfg.tlli_max_age = 1; |
| 4449 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4450 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4451 | |
| 4452 | printf(" Add TLLI 1, IMSI 1 (should expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4453 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4454 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4455 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4456 | printf(" Add TLLI 2, IMSI 2 (should not expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4457 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4458 | now + 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4459 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4460 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4461 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4462 | OSMO_ASSERT(num_removed == 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4463 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4464 | |
| 4465 | dump_peers(stdout, 2, now + 2, &cfg); |
| 4466 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4467 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4468 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4469 | OSMO_ASSERT(!link_info); |
| 4470 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4471 | OSMO_ASSERT(link_info); |
| 4472 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4473 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4474 | printf("\n"); |
| 4475 | |
| 4476 | gbproxy_peer_free(peer); |
| 4477 | } |
| 4478 | |
| 4479 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4480 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4481 | int num_removed; |
| 4482 | |
| 4483 | printf("Test TLLI expiry, max_len == 2, max_age == 1:\n"); |
| 4484 | |
| 4485 | cfg.tlli_max_len = 0; |
| 4486 | cfg.tlli_max_age = 1; |
| 4487 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4488 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4489 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4490 | printf(" Add TLLI 1, IMSI 1 (should expire)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4491 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4492 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4493 | |
| 4494 | printf(" Add TLLI 2, IMSI 2 (should expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4495 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4496 | now + 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4497 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4498 | |
| 4499 | printf(" Add TLLI 3, IMSI 3 (should not expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4500 | register_tlli(peer, tlli3, imsi3, ARRAY_SIZE(imsi3), |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4501 | now + 2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4502 | OSMO_ASSERT(peer->patch_state.logical_link_count == 3); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4503 | |
| 4504 | dump_peers(stdout, 2, now + 2, &cfg); |
| 4505 | |
| 4506 | printf(" Remove stale TLLIs\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4507 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 3); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4508 | OSMO_ASSERT(num_removed == 2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4509 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4510 | |
| 4511 | dump_peers(stdout, 2, now + 2, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4512 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4513 | /* verify that tlli3 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4514 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4515 | OSMO_ASSERT(!link_info); |
| 4516 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4517 | OSMO_ASSERT(!link_info); |
| 4518 | link_info = gbproxy_link_info_by_imsi(peer, imsi3, ARRAY_SIZE(imsi3)); |
| 4519 | OSMO_ASSERT(link_info); |
| 4520 | OSMO_ASSERT(link_info->tlli.current == tlli3); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4521 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4522 | printf("\n"); |
| 4523 | |
| 4524 | gbproxy_peer_free(peer); |
| 4525 | } |
Jacob Erlbeck | 9ccc41e | 2014-09-25 11:21:34 +0200 | [diff] [blame] | 4526 | gbproxy_clear_patch_filter(&cfg.matches[GBPROX_MATCH_PATCHING]); |
| 4527 | gbprox_reset(&cfg); |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4528 | /* gbprox_reset() frees the rate_ctr, but re-allocates it again. */ |
| 4529 | rate_ctr_group_free(cfg.ctrg); |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 4530 | |
| 4531 | cleanup_test(); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4532 | } |
| 4533 | |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4534 | static void test_gbproxy_imsi_matching(void) |
| 4535 | { |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4536 | const char *err_msg = NULL; |
| 4537 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI | 0x10, 0x32, 0x54, 0xf6 }; |
| 4538 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 4539 | const uint8_t imsi3_bad[] = { GSM_MI_TYPE_IMSI | 0x10, 0xee, 0x54, 0xff }; |
| 4540 | const uint8_t tmsi1[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22, 0x33, 0x44 }; |
| 4541 | const uint8_t tmsi2_bad[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22 }; |
| 4542 | const uint8_t imei1[] = { GSM_MI_TYPE_IMEI | 0x10, 0x32, 0x54, 0xf6 }; |
| 4543 | const uint8_t imei2[] = { GSM_MI_TYPE_IMEI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 4544 | const char *filter_re1 = ".*"; |
| 4545 | const char *filter_re2 = "^1234"; |
| 4546 | const char *filter_re3 = "^4321"; |
| 4547 | const char *filter_re4_bad = "^12["; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4548 | struct gbproxy_match match = {0,}; |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4549 | |
| 4550 | printf("=== Test IMSI/TMSI matching ===\n\n"); |
| 4551 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4552 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4553 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4554 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re1, &err_msg) == 0); |
| 4555 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4556 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4557 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4558 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4559 | |
| 4560 | err_msg = NULL; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4561 | 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] | 4562 | OSMO_ASSERT(err_msg != NULL); |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4563 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4564 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4565 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4566 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4567 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4568 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, NULL, &err_msg) == 0); |
| 4569 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4570 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4571 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4572 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 4573 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4574 | gbproxy_clear_patch_filter(&match); |
| 4575 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 4576 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4577 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4578 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4579 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4580 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi1, ARRAY_SIZE(imsi1)) == 1); |
| 4581 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi2, ARRAY_SIZE(imsi2)) == 1); |
Neels Hofmeyr | b26a5a8 | 2020-05-29 16:53:23 +0200 | [diff] [blame] | 4582 | 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] | 4583 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 4584 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 4585 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei1, ARRAY_SIZE(imei1)) == -1); |
| 4586 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4587 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4588 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re3, &err_msg) == 0); |
| 4589 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4590 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4591 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi1, ARRAY_SIZE(imsi1)) == 0); |
| 4592 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi2, ARRAY_SIZE(imsi2)) == 0); |
Neels Hofmeyr | b26a5a8 | 2020-05-29 16:53:23 +0200 | [diff] [blame] | 4593 | 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] | 4594 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 4595 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 4596 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei1, ARRAY_SIZE(imei1)) == -1); |
| 4597 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4598 | |
| 4599 | /* TODO: Check correct length but wrong type with is_mi_tmsi */ |
Jacob Erlbeck | 9ccc41e | 2014-09-25 11:21:34 +0200 | [diff] [blame] | 4600 | |
| 4601 | gbproxy_clear_patch_filter(&match); |
| 4602 | OSMO_ASSERT(match.enable == 0); |
Daniel Willmann | d1554ec | 2015-10-12 19:36:34 +0200 | [diff] [blame] | 4603 | |
| 4604 | cleanup_test(); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4605 | } |
| 4606 | |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4607 | static void test_gbproxy_stored_messages() |
| 4608 | { |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4609 | 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] | 4610 | struct gprs_ra_id rai_bss = |
| 4611 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 4612 | struct gprs_ra_id rai_unknown = |
| 4613 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 4614 | uint16_t cell_id = 0x1234; |
| 4615 | |
| 4616 | const uint32_t ptmsi = 0xefe2b700; |
| 4617 | const uint32_t local_tlli = 0xefe2b700; |
| 4618 | |
| 4619 | const uint32_t foreign_tlli1 = 0x8000dead; |
| 4620 | |
| 4621 | struct gbproxy_peer *peer; |
| 4622 | unsigned bss_nu = 0; |
| 4623 | unsigned sgsn_nu = 0; |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4624 | uint16_t bss_nsei[] = { 0x1000 }; |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4625 | |
| 4626 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 4627 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4628 | gbcfg.nsi = nsi; |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4629 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Neels Hofmeyr | 10719b7 | 2018-02-21 00:39:36 +0100 | [diff] [blame] | 4630 | gbcfg.core_plmn = (struct osmo_plmn_id){}; |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4631 | gbcfg.core_apn = talloc_zero_size(tall_sgsn_ctx, 100); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4632 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 4633 | gbcfg.patch_ptmsi = 0; |
| 4634 | gbcfg.acquire_imsi = 1; |
| 4635 | gbcfg.keep_link_infos = 0; |
| 4636 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4637 | bssgp_set_bssgp_callback(gbprox_test_bssgp_send_cb, &gbcfg); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4638 | |
| 4639 | printf("=== %s ===\n", __func__); |
| 4640 | printf("--- Initialise SGSN ---\n\n"); |
| 4641 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4642 | connect_sgsn(nsi, SGSN_NSEI); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4643 | |
| 4644 | printf("--- Initialise BSS 1 ---\n\n"); |
| 4645 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4646 | setup_ns(nsi, bss_nsei[0]); |
| 4647 | setup_bssgp(nsi, bss_nsei[0], 0x1002); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4648 | |
| 4649 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 4650 | OSMO_ASSERT(peer != NULL); |
| 4651 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4652 | send_bssgp_reset_ack(nsi, SGSN_NSEI, 0x1002); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4653 | |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4654 | dump_global(stdout, 0); |
| 4655 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4656 | |
| 4657 | printf("--- Establish first LLC connection ---\n\n"); |
| 4658 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4659 | send_llc_ul_ui(nsi, "ATTACH REQUEST", bss_nsei[0], 0x1002, |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4660 | foreign_tlli1, &rai_unknown, cell_id, |
| 4661 | GPRS_SAPI_GMM, bss_nu++, |
| 4662 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 4663 | |
| 4664 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4665 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4666 | send_llc_dl_ui(nsi, "IDENT REQUEST", SGSN_NSEI, 0x1002, |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4667 | foreign_tlli1, 0, NULL, 0, |
| 4668 | GPRS_SAPI_GMM, sgsn_nu++, |
| 4669 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 4670 | |
| 4671 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4672 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4673 | send_llc_ul_ui(nsi, "DETACH ACCEPT", bss_nsei[0], 0x1002, |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4674 | foreign_tlli1, &rai_bss, cell_id, |
| 4675 | GPRS_SAPI_GMM, bss_nu++, |
| 4676 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 4677 | |
| 4678 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4679 | |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4680 | send_llc_ul_ui(nsi, "IDENT RESPONSE", bss_nsei[0], 0x1002, |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4681 | foreign_tlli1, &rai_bss, cell_id, |
| 4682 | GPRS_SAPI_GMM, bss_nu++, |
| 4683 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 4684 | |
| 4685 | dump_peers(stdout, 0, 0, &gbcfg); |
| 4686 | |
| 4687 | dump_global(stdout, 0); |
| 4688 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4689 | talloc_free(gbcfg.core_apn); |
| 4690 | gbcfg.core_apn = NULL; |
| 4691 | |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4692 | gbprox_reset(&gbcfg); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4693 | gprs_ns2_free(nsi); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4694 | nsi = NULL; |
| 4695 | |
| 4696 | cleanup_test(); |
| 4697 | } |
| 4698 | |
Stefan Sperling | aaa3e2b | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4699 | /* See OS#3178 "gbproxy: failed to parse invalid BSSGP-UNITDATA message" */ |
| 4700 | static void test_gbproxy_parse_bssgp_unitdata() |
| 4701 | { |
| 4702 | const char *hex = "0000239401e155cfea000004088872f4801018009c4000800e000601c0416c4338"; |
| 4703 | struct msgb *msg = msgb_alloc(1034, "bssgp_unitdata"); |
| 4704 | struct gprs_gb_parse_context parse_ctx; |
| 4705 | int rc; |
| 4706 | |
| 4707 | memset(&parse_ctx, 0, sizeof(parse_ctx)); |
| 4708 | |
| 4709 | OSMO_ASSERT(msg); |
| 4710 | msgb_bssgph(msg) = msg->head; |
| 4711 | msgb_put(msg, osmo_hexparse(hex, msg->head, msgb_tailroom(msg))); |
| 4712 | |
| 4713 | parse_ctx.to_bss = 0; |
| 4714 | parse_ctx.peer_nsei = msgb_nsei(msg); |
| 4715 | |
Stefan Sperling | aaa3e2b | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4716 | rc = gprs_gb_parse_bssgp(msg->data, msg->len, &parse_ctx); |
Stefan Sperling | 322643f | 2018-06-23 16:50:06 +0200 | [diff] [blame] | 4717 | if (!rc) |
| 4718 | fprintf(stderr, "%s: Test passed; Failed to parse invalid message %s\n", __func__, msgb_hexdump(msg)); |
| 4719 | else |
| 4720 | fprintf(stderr, "%s: Test failed; invalid message was accepted by parser: %s\n", __func__, msgb_hexdump(msg)); |
| 4721 | |
| 4722 | OSMO_ASSERT(!rc); |
| 4723 | |
| 4724 | /* Manually decoded message according to: |
| 4725 | ETSI TS 148 018 V10.6.0 (2012 07) 96 |
| 4726 | 3GPP TS 48.018 version 10.6.0 Release 10 |
| 4727 | Table 10.2.2: UL-UNITDATA PDU content |
| 4728 | |
| 4729 | 00 - PDU type UL-UNITDATA (ok) |
| 4730 | |
| 4731 | 11.3.35 Temporary logical link Identity (TLLI) |
| 4732 | 00 - TLLI[0] |
| 4733 | 23 - TLLI[1] |
| 4734 | 94 - TLLI[2] |
| 4735 | 01 - TLLI[3] |
| 4736 | TLLI == "00239401" |
| 4737 | |
| 4738 | e1 - QOS[0] (bit rate MSB) |
| 4739 | 55 - QOS[1] (bit rate LSB) |
| 4740 | bit rate = "57685" (57685*100000 bit/s per PBRG) |
| 4741 | cf - QOS[2] PBRG = 11 (bit rate is expressed in 100000 bit/s increments), |
| 4742 | C/R 0 (contains LLC ACK/SACK), |
| 4743 | T 0 (contains signalling), |
| 4744 | A 1 (radio if uses MAC/UNITDATA, |
| 4745 | Precedence 111 (reserved value) |
| 4746 | |
| 4747 | ea - CELL_ID[0] (TLV IEI: wrong, should be 0x08) |
| 4748 | 00 - CELL_ID[1] (length 1) |
| 4749 | 00 - CELL_ID[2] (length 2) |
| 4750 | lenth == 0 |
| 4751 | 04 -- CELL_ID[3] |
| 4752 | 08 -- CELL_ID[4] |
| 4753 | 88 -- CELL_ID[5] |
| 4754 | 72 -- CELL_ID[6] |
| 4755 | f4 -- CELL_ID[7] |
| 4756 | 80 -- CELL_ID[8] |
| 4757 | 10 -- CELL_DI[9] |
| 4758 | |
| 4759 | 18 -- QOSP[0] OoS Profile IEI |
| 4760 | not allowed in BSSGP Userdata |
| 4761 | 00 -- QOSP[1] |
| 4762 | 9c -- QOSP[2] |
| 4763 | 40 -- QOSP[3] |
| 4764 | 00 -- QOSP[4] |
| 4765 | |
| 4766 | 80 -- IEI for "E-UTRAN Inter RAT Handover Info" |
| 4767 | not allowed in BSSGP Userdata |
| 4768 | 0e -- length (14 bytes -- only 8 bytes remain) |
| 4769 | 00 06 01 c0 41 6c 43 38 */ |
Stefan Sperling | aaa3e2b | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4770 | |
| 4771 | msgb_free(msg); |
Stefan Sperling | 322643f | 2018-06-23 16:50:06 +0200 | [diff] [blame] | 4772 | |
| 4773 | cleanup_test(); |
Stefan Sperling | aaa3e2b | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4774 | } |
| 4775 | |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4776 | static struct log_info_cat gprs_categories[] = { |
| 4777 | [DGPRS] = { |
| 4778 | .name = "DGPRS", |
| 4779 | .description = "GPRS Packet Service", |
| 4780 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 4781 | }, |
| 4782 | [DNS] = { |
| 4783 | .name = "DNS", |
| 4784 | .description = "GPRS Network Service (NS)", |
| 4785 | .enabled = 1, .loglevel = LOGL_INFO, |
| 4786 | }, |
| 4787 | [DBSSGP] = { |
| 4788 | .name = "DBSSGP", |
| 4789 | .description = "GPRS BSS Gateway Protocol (BSSGP)", |
| 4790 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 4791 | }, |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4792 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4793 | |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4794 | static struct log_info info = { |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4795 | .cat = gprs_categories, |
| 4796 | .num_cat = ARRAY_SIZE(gprs_categories), |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4797 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4798 | |
| 4799 | int main(int argc, char **argv) |
| 4800 | { |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4801 | talloc_enable_leak_report(); |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4802 | tall_sgsn_ctx = talloc_named_const(NULL, 0, "gbproxy_test"); |
| 4803 | void *log_ctx = talloc_named_const(tall_sgsn_ctx, 0, "log"); |
Neels Hofmeyr | 4c2d4ab | 2016-09-16 02:31:17 +0200 | [diff] [blame] | 4804 | |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4805 | msgb_talloc_ctx_init(tall_sgsn_ctx, 0); |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4806 | |
| 4807 | osmo_init_logging2(log_ctx, &info); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4808 | log_set_use_color(osmo_stderr_target, 0); |
| 4809 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4810 | log_set_log_level(osmo_stderr_target, LOGL_DEBUG); |
| 4811 | log_set_all_filter(osmo_stderr_target, 1); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4812 | |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4813 | rate_ctr_init(tall_sgsn_ctx); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4814 | |
| 4815 | setlinebuf(stdout); |
| 4816 | |
| 4817 | printf("===== GbProxy test START\n"); |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 4818 | gbproxy_init_config(&gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4819 | test_gbproxy(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4820 | test_gbproxy_ident_changes(); |
Alexander Couzens | 82182d0 | 2020-09-22 13:21:46 +0200 | [diff] [blame^] | 4821 | test_gbproxy_ra_patching(); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4822 | test_gbproxy_imsi_matching(); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 4823 | test_gbproxy_ptmsi_assignment(); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 4824 | test_gbproxy_ptmsi_patching(); |
Jacob Erlbeck | e99c333 | 2014-10-20 16:25:01 +0200 | [diff] [blame] | 4825 | test_gbproxy_ptmsi_patching_bad_cases(); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 4826 | test_gbproxy_imsi_acquisition(); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 4827 | test_gbproxy_secondary_sgsn(); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4828 | test_gbproxy_keep_info(); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4829 | test_gbproxy_tlli_expire(); |
Daniel Willmann | bb42eee | 2016-11-08 15:29:30 +0100 | [diff] [blame] | 4830 | test_gbproxy_stored_messages(); |
Stefan Sperling | aaa3e2b | 2018-06-07 19:12:25 +0200 | [diff] [blame] | 4831 | test_gbproxy_parse_bssgp_unitdata(); |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4832 | gbprox_reset(&gbcfg); |
| 4833 | /* gbprox_reset() frees the rate_ctr, but re-allocates it again. */ |
| 4834 | rate_ctr_group_free(gbcfg.ctrg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4835 | printf("===== GbProxy test END\n\n"); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4836 | |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4837 | talloc_free(log_ctx); |
| 4838 | /* expecting root and msgb ctx, empty */ |
Pau Espin Pedrol | b1d1c24 | 2018-10-30 17:27:59 +0100 | [diff] [blame] | 4839 | OSMO_ASSERT(talloc_total_blocks(tall_sgsn_ctx) == 2); |
| 4840 | talloc_free(tall_sgsn_ctx); |
Neels Hofmeyr | 5bd340e | 2018-04-16 00:57:10 +0200 | [diff] [blame] | 4841 | |
| 4842 | return 0; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4843 | } |