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 |
| 3 | * (C) 2013 by sysmocom s.f.m.c. GmbH |
| 4 | * Author: Jacob Erlbeck <jerlbeck@sysmocom.de> |
| 5 | */ |
| 6 | |
| 7 | #undef _GNU_SOURCE |
| 8 | #define _GNU_SOURCE |
| 9 | |
| 10 | #include <stdio.h> |
| 11 | #include <stdlib.h> |
| 12 | #include <stdint.h> |
| 13 | #include <string.h> |
| 14 | #include <getopt.h> |
| 15 | #include <dlfcn.h> |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 16 | #include <time.h> |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 17 | #include <sys/types.h> |
| 18 | #include <sys/socket.h> |
| 19 | |
| 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> |
| 26 | #include <osmocom/core/rate_ctr.h> |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 27 | #include <osmocom/gsm/tlv.h> |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 28 | #include <osmocom/gsm/gsm_utils.h> |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 29 | #include <osmocom/gprs/gprs_msgb.h> |
| 30 | #include <osmocom/gprs/gprs_ns.h> |
| 31 | #include <osmocom/gprs/gprs_bssgp.h> |
| 32 | |
| 33 | #include <openbsc/gb_proxy.h> |
Holger Hans Peter Freyther | 7127b02 | 2014-08-04 11:52:52 +0200 | [diff] [blame] | 34 | #include <openbsc/gprs_utils.h> |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 35 | #include <openbsc/gprs_llc.h> |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 36 | #include <openbsc/gprs_gb_parse.h> |
| 37 | #include <openbsc/gsm_04_08_gprs.h> |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 38 | #include <openbsc/debug.h> |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 39 | |
| 40 | #define REMOTE_BSS_ADDR 0x01020304 |
| 41 | #define REMOTE_SGSN_ADDR 0x05060708 |
| 42 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 43 | #define SGSN_NSEI 0x0100 |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 44 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 45 | #define REMOTE_SGSN2_ADDR 0x15161718 |
| 46 | #define SGSN2_NSEI 0x0102 |
| 47 | |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 48 | #define MATCH_ANY (-1) |
| 49 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 50 | struct gbproxy_config gbcfg = {0}; |
| 51 | |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 52 | struct llist_head *received_messages = NULL; |
| 53 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 54 | static int dump_global(FILE *stream, int indent) |
| 55 | { |
| 56 | unsigned int i; |
| 57 | const struct rate_ctr_group_desc *desc; |
| 58 | int rc; |
| 59 | |
| 60 | rc = fprintf(stream, "%*sGbproxy global:\n", indent, ""); |
| 61 | if (rc < 0) |
| 62 | return rc; |
| 63 | |
| 64 | desc = gbcfg.ctrg->desc; |
| 65 | |
| 66 | for (i = 0; i < desc->num_ctr; i++) { |
| 67 | struct rate_ctr *ctr = &gbcfg.ctrg->ctr[i]; |
| 68 | if (ctr->current) { |
| 69 | rc = fprintf(stream, "%*s %s: %llu\n", |
| 70 | indent, "", |
| 71 | desc->ctr_desc[i].description, |
| 72 | (long long)ctr->current); |
| 73 | |
| 74 | if (rc < 0) |
| 75 | return rc; |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | return 0; |
| 80 | } |
| 81 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 82 | static int dump_peers(FILE *stream, int indent, time_t now, |
| 83 | struct gbproxy_config *cfg) |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 84 | { |
Holger Hans Peter Freyther | 1ddd9e5 | 2014-08-04 11:35:32 +0200 | [diff] [blame] | 85 | struct gbproxy_peer *peer; |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 86 | struct gprs_ra_id raid; |
| 87 | unsigned int i; |
| 88 | const struct rate_ctr_group_desc *desc; |
| 89 | int rc; |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 90 | |
| 91 | rc = fprintf(stream, "%*sPeers:\n", indent, ""); |
| 92 | if (rc < 0) |
| 93 | return rc; |
| 94 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 95 | llist_for_each_entry(peer, &cfg->bts_peers, list) { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 96 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 1ddd9e5 | 2014-08-04 11:35:32 +0200 | [diff] [blame] | 97 | struct gbproxy_patch_state *state = &peer->patch_state; |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 98 | gsm48_parse_ra(&raid, peer->ra); |
| 99 | |
| 100 | rc = fprintf(stream, "%*s NSEI %u, BVCI %u, %sblocked, " |
| 101 | "RAI %u-%u-%u-%u\n", |
| 102 | indent, "", |
| 103 | peer->nsei, peer->bvci, |
| 104 | peer->blocked ? "" : "not ", |
| 105 | raid.mcc, raid.mnc, raid.lac, raid.rac); |
| 106 | |
| 107 | if (rc < 0) |
| 108 | return rc; |
| 109 | |
| 110 | desc = peer->ctrg->desc; |
| 111 | |
| 112 | for (i = 0; i < desc->num_ctr; i++) { |
| 113 | struct rate_ctr *ctr = &peer->ctrg->ctr[i]; |
| 114 | if (ctr->current) { |
| 115 | rc = fprintf(stream, "%*s %s: %llu\n", |
| 116 | indent, "", |
| 117 | desc->ctr_desc[i].description, |
| 118 | (long long)ctr->current); |
| 119 | |
| 120 | if (rc < 0) |
| 121 | return rc; |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | fprintf(stream, "%*s TLLI-Cache: %d\n", |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 126 | indent, "", state->logical_link_count); |
| 127 | llist_for_each_entry(link_info, &state->logical_links, list) { |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 128 | char mi_buf[200]; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 129 | time_t age = now ? now - link_info->timestamp : 0; |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 130 | int stored_msgs = 0; |
| 131 | struct llist_head *iter; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 132 | enum gbproxy_match_id match_id; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 133 | llist_for_each(iter, &link_info->stored_msgs) |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 134 | stored_msgs++; |
| 135 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 136 | if (link_info->imsi_len > 0) { |
Jacob Erlbeck | 89d3d34 | 2014-08-06 18:55:15 +0200 | [diff] [blame] | 137 | snprintf(mi_buf, sizeof(mi_buf), "(invalid)"); |
| 138 | gsm48_mi_to_string(mi_buf, sizeof(mi_buf), |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 139 | link_info->imsi, |
| 140 | link_info->imsi_len); |
Jacob Erlbeck | 89d3d34 | 2014-08-06 18:55:15 +0200 | [diff] [blame] | 141 | } else { |
| 142 | snprintf(mi_buf, sizeof(mi_buf), "(none)"); |
| 143 | } |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 144 | fprintf(stream, "%*s TLLI %08x", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 145 | indent, "", link_info->tlli.current); |
| 146 | if (link_info->tlli.assigned) |
| 147 | fprintf(stream, "/%08x", link_info->tlli.assigned); |
| 148 | if (link_info->sgsn_tlli.current) { |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 149 | fprintf(stream, " -> %08x", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 150 | link_info->sgsn_tlli.current); |
| 151 | if (link_info->sgsn_tlli.assigned) |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 152 | fprintf(stream, "/%08x", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 153 | link_info->sgsn_tlli.assigned); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 154 | } |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 155 | fprintf(stream, ", IMSI %s, AGE %d", |
| 156 | mi_buf, (int)age); |
| 157 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 158 | if (stored_msgs) |
| 159 | fprintf(stream, ", STORED %d", stored_msgs); |
| 160 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 161 | for (match_id = 0; match_id < ARRAY_SIZE(cfg->matches); |
| 162 | ++match_id) { |
| 163 | if (cfg->matches[match_id].enable && |
| 164 | link_info->is_matching[match_id]) { |
| 165 | fprintf(stream, ", IMSI matches"); |
| 166 | break; |
| 167 | } |
| 168 | } |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 169 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 170 | if (link_info->imsi_acq_pending) |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 171 | fprintf(stream, ", IMSI acquisition in progress"); |
| 172 | |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 173 | if (cfg->route_to_sgsn2) |
| 174 | fprintf(stream, ", SGSN NSEI %d", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 175 | link_info->sgsn_nsei); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 176 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 177 | if (link_info->is_deregistered) |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 178 | fprintf(stream, ", DE-REGISTERED"); |
| 179 | |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 180 | rc = fprintf(stream, "\n"); |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 181 | if (rc < 0) |
| 182 | return rc; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | return 0; |
| 187 | } |
| 188 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 189 | const uint8_t *convert_ra(struct gprs_ra_id *raid) |
| 190 | { |
| 191 | static uint8_t buf[6]; |
| 192 | gsm48_construct_ra(buf, raid); |
| 193 | return buf; |
| 194 | } |
| 195 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 196 | /* DTAP - Attach Request */ |
| 197 | static const unsigned char dtap_attach_req[] = { |
| 198 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 199 | 0x05, 0xf4, 0xfb, 0xc5, 0x46, 0x79, 0x11, 0x22, |
| 200 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 201 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 202 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 203 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 204 | }; |
| 205 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 206 | /* DTAP - Attach Request (invalid RAI) */ |
| 207 | static const unsigned char dtap_attach_req2[] = { |
| 208 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 209 | 0x05, 0xf4, 0xfb, 0x00, 0xbe, 0xef, 0x99, 0x99, |
| 210 | 0x99, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 211 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 212 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 213 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 214 | }; |
| 215 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 216 | /* DTAP - Attach Request (P-TMSI 0x3f32b700) */ |
| 217 | static const unsigned char dtap_attach_req3[] = { |
| 218 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 219 | 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x11, 0x22, |
| 220 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 221 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 222 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 223 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 224 | }; |
| 225 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 226 | /* DTAP - Identity Request */ |
| 227 | static const unsigned char dtap_identity_req[] = { |
| 228 | 0x08, 0x15, 0x01 |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 229 | }; |
| 230 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 231 | /* DTAP - Identity Response */ |
| 232 | static const unsigned char dtap_identity_resp[] = { |
| 233 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x13, 0x14, 0x15, |
| 234 | 0x16, 0x17, 0x18 |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 235 | }; |
| 236 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 237 | /* DTAP - Identity Response, IMSI 2 */ |
| 238 | static const unsigned char dtap_identity2_resp[] = { |
| 239 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x99, 0x99, 0x99, |
| 240 | 0x16, 0x17, 0x18 |
| 241 | }; |
| 242 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 243 | /* DTAP - Identity Response, IMSI 3 */ |
| 244 | static const unsigned char dtap_identity3_resp[] = { |
| 245 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x99, 0x99, 0x99, |
| 246 | 0x26, 0x27, 0x28 |
| 247 | }; |
| 248 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 249 | /* DTAP - Attach Accept */ |
| 250 | static const unsigned char dtap_attach_acc[] = { |
| 251 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 252 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 253 | 0x16, 0x18, 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 254 | }; |
| 255 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 256 | /* DTAP - Attach Accept, P-TMSI 2 */ |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 257 | static const unsigned char dtap_attach_acc2[] = { |
| 258 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 259 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 260 | 0x16, 0x18, 0x05, 0xf4, 0xe0, 0x98, 0x76, 0x54 |
| 261 | }; |
| 262 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 263 | /* DTAP - Attach Complete */ |
| 264 | static const unsigned char dtap_attach_complete[] = { |
| 265 | 0x08, 0x03 |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 266 | }; |
| 267 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 268 | /* DTAP - Attach Reject (GPRS services not allowed) */ |
| 269 | static const unsigned char dtap_attach_rej7[] = { |
| 270 | 0x08, 0x04, 0x07 |
| 271 | }; |
| 272 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 273 | /* DTAP - GMM Information */ |
| 274 | static const unsigned char dtap_gmm_information[] = { |
| 275 | 0x08, 0x21 |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 276 | }; |
| 277 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 278 | /* DTAP - Routing Area Update Request */ |
| 279 | static const unsigned char dtap_ra_upd_req[] = { |
| 280 | 0x08, 0x08, 0x10, 0x11, 0x22, 0x33, 0x40, 0x50, |
| 281 | 0x60, 0x1d, 0x19, 0x13, 0x42, 0x33, 0x57, 0x2b, |
| 282 | 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, 0x50, 0xc8, |
| 283 | 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, 0x48, 0x02, |
| 284 | 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, 0x00, 0x19, |
| 285 | 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, 0x07, 0x04, |
| 286 | 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, 0x20, 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 287 | }; |
| 288 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 289 | /* DTAP - Routing Area Update Accept */ |
| 290 | static const unsigned char dtap_ra_upd_acc[] = { |
| 291 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 292 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 293 | 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x17, 0x16, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 294 | }; |
| 295 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 296 | /* DTAP - Routing Area Update Accept, P-TMSI 2 */ |
| 297 | static const unsigned char dtap_ra_upd_acc2[] = { |
| 298 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 299 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 300 | 0x05, 0xf4, 0xe0, 0x98, 0x76, 0x54, 0x17, 0x16, |
| 301 | }; |
| 302 | |
| 303 | /* DTAP - Routing Area Update Accept, P-TMSI 3 */ |
| 304 | static const unsigned char dtap_ra_upd_acc3[] = { |
| 305 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 306 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 307 | 0x05, 0xf4, 0xe0, 0x54, 0x32, 0x10, 0x17, 0x16, |
| 308 | }; |
| 309 | |
| 310 | /* DTAP - Routing Area Update Complete */ |
| 311 | static const unsigned char dtap_ra_upd_complete[] = { |
| 312 | 0x08, 0x0a |
| 313 | }; |
| 314 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 315 | /* DTAP - Routing Area Update Reject */ |
| 316 | /* cause = 10 ("Implicitly detached"), force_standby = 0 */ |
| 317 | static const unsigned char dtap_ra_upd_rej[] = { |
| 318 | 0x08, 0x0b, 0x0a, 0x00, |
| 319 | }; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 320 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 321 | /* DTAP - Activate PDP Context Request */ |
| 322 | static const unsigned char dtap_act_pdp_ctx_req[] = { |
| 323 | 0x0a, 0x41, 0x05, 0x03, 0x0c, 0x00, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 324 | 0x00, 0x1f, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 325 | 0x00, 0x00, 0x00, 0x02, 0x01, 0x21, 0x28, 0x03, |
| 326 | 0x02, 0x61, 0x62, 0x27, 0x14, 0x80, 0x80, 0x21, |
| 327 | 0x10, 0x01, 0x00, 0x00, 0x10, 0x81, 0x06, 0x00, |
| 328 | 0x00, 0x00, 0x00, 0x83, 0x06, 0x00, 0x00, 0x00, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 329 | 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 330 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 331 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 332 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 333 | /* normal detach, power_off = 1 */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 334 | static const unsigned char dtap_detach_po_req[] = { |
| 335 | 0x08, 0x05, 0x09, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 336 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 337 | }; |
| 338 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 339 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 340 | /* normal detach, power_off = 0 */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 341 | static const unsigned char dtap_detach_req[] = { |
| 342 | 0x08, 0x05, 0x01, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 343 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 344 | }; |
| 345 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 346 | /* DTAP - Detach Accept (MO) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 347 | static const unsigned char dtap_detach_acc[] = { |
| 348 | 0x08, 0x06, 0x00 |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 349 | }; |
| 350 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 351 | /* DTAP - Detach Request (MT) */ |
| 352 | /* normal detach, reattach required, implicitly detached */ |
| 353 | static const unsigned char dtap_mt_detach_rea_req[] = { |
| 354 | 0x08, 0x05, 0x01, 0x25, 0x0a |
| 355 | }; |
| 356 | |
| 357 | /* DTAP - Detach Request (MT) */ |
| 358 | /* normal detach, reattach not required, implicitly detached */ |
| 359 | static const unsigned char dtap_mt_detach_req[] = { |
| 360 | 0x08, 0x05, 0x02, 0x25, 0x0a |
| 361 | }; |
| 362 | |
| 363 | /* DTAP - Detach Accept (MT) */ |
| 364 | static const unsigned char dtap_mt_detach_acc[] = { |
| 365 | 0x08, 0x06 |
| 366 | }; |
| 367 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 368 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 369 | static const unsigned char llc_u_xid_ul[] = { |
| 370 | 0x41, 0xfb, 0x01, 0x00, 0x0e, 0x00, 0x64, 0x11, |
| 371 | 0x05, 0x16, 0x01, 0x90, 0x66, 0xb3, 0x28 |
| 372 | }; |
| 373 | |
| 374 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 375 | static const unsigned char llc_u_xid_dl[] = { |
| 376 | 0x41, 0xfb, 0x30, 0x84, 0x10, 0x61, 0xb6, 0x64, |
| 377 | 0xe4, 0xa9, 0x1a, 0x9e |
| 378 | }; |
| 379 | |
| 380 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 381 | static const unsigned char llc_ui_ll11_dns_query_ul[] = { |
| 382 | 0x0b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 383 | 0x00, 0x00, 0x38, 0x95, 0x72, 0x00, 0x00, 0x45, |
| 384 | 0x11, 0x20, 0x85, 0x0a, 0xc0, 0x07, 0xe4, 0xac, |
| 385 | 0x10, 0x01, 0x0a, 0xad, 0xab, 0x00, 0x35, 0x00, |
| 386 | 0x24, 0x0e, 0x1c, 0x3b, 0xe0, 0x01, 0x00, 0x00, |
| 387 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 388 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 389 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0x47, |
| 390 | 0x8f, 0x07 |
| 391 | }; |
| 392 | |
| 393 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 394 | static const unsigned char llc_ui_ll11_dns_resp_dl[] = { |
| 395 | 0x4b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 396 | 0x00, 0x00, 0xc6, 0x00, 0x00, 0x40, 0x00, 0x3e, |
| 397 | 0x11, 0x7c, 0x69, 0xac, 0x10, 0x01, 0x0a, 0x0a, |
| 398 | 0xc0, 0x07, 0xe4, 0x00, 0x35, 0xad, 0xab, 0x00, |
| 399 | 0xb2, 0x74, 0x4e, 0x3b, 0xe0, 0x81, 0x80, 0x00, |
| 400 | 0x01, 0x00, 0x01, 0x00, 0x05, 0x00, 0x00, 0x01, |
| 401 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 402 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0xc0, |
| 403 | 0x0c, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 404 | 0x10, 0x00, 0x04, 0xc1, 0x63, 0x90, 0x58, 0xc0, |
| 405 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 406 | 0x10, 0x00, 0x16, 0x03, 0x6e, 0x73, 0x32, 0x0c, |
| 407 | 0x70, 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, |
| 408 | 0x6f, 0x76, 0x65, 0x72, 0x03, 0x6e, 0x65, 0x74, |
| 409 | 0x00, 0xc0, 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, |
| 410 | 0x00, 0x0e, 0x10, 0x00, 0x10, 0x02, 0x6e, 0x73, |
| 411 | 0x01, 0x73, 0x08, 0x70, 0x6c, 0x75, 0x73, 0x6c, |
| 412 | 0x69, 0x6e, 0x65, 0xc0, 0x14, 0xc0, 0x0e, 0x00, |
| 413 | 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, 0x00, |
| 414 | 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x0e, 0xc0, 0x0e, |
| 415 | 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, |
| 416 | 0x00, 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x5f, 0xc0, |
| 417 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 418 | 0x10, 0x00, 0x12, 0x02, 0x6e, 0x73, 0x0c, 0x70, |
| 419 | 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, 0x6f, |
| 420 | 0x76, 0x65, 0x72, 0xc0, 0x14, 0xaa, 0xdf, 0x31 |
| 421 | }; |
| 422 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 423 | static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, |
| 424 | struct sockaddr_in *peer, const unsigned char* data, |
| 425 | size_t data_len); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 426 | |
| 427 | static void send_ns_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 428 | enum ns_cause cause, uint16_t nsvci, uint16_t nsei) |
| 429 | { |
| 430 | /* GPRS Network Service, PDU type: NS_RESET, |
| 431 | */ |
| 432 | unsigned char msg[12] = { |
| 433 | 0x02, 0x00, 0x81, 0x01, 0x01, 0x82, 0x11, 0x22, |
| 434 | 0x04, 0x82, 0x11, 0x22 |
| 435 | }; |
| 436 | |
| 437 | msg[3] = cause; |
| 438 | msg[6] = nsvci / 256; |
| 439 | msg[7] = nsvci % 256; |
| 440 | msg[10] = nsei / 256; |
| 441 | msg[11] = nsei % 256; |
| 442 | |
| 443 | gprs_process_message(nsi, "RESET", src_addr, msg, sizeof(msg)); |
| 444 | } |
| 445 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 446 | static void send_ns_reset_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 447 | uint16_t nsvci, uint16_t nsei) |
| 448 | { |
| 449 | /* GPRS Network Service, PDU type: NS_RESET_ACK, |
| 450 | */ |
| 451 | unsigned char msg[9] = { |
| 452 | 0x03, 0x01, 0x82, 0x11, 0x22, |
| 453 | 0x04, 0x82, 0x11, 0x22 |
| 454 | }; |
| 455 | |
| 456 | msg[3] = nsvci / 256; |
| 457 | msg[4] = nsvci % 256; |
| 458 | msg[7] = nsei / 256; |
| 459 | msg[8] = nsei % 256; |
| 460 | |
| 461 | gprs_process_message(nsi, "RESET_ACK", src_addr, msg, sizeof(msg)); |
| 462 | } |
| 463 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 464 | static void send_ns_alive(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 465 | { |
| 466 | /* GPRS Network Service, PDU type: NS_ALIVE */ |
| 467 | unsigned char msg[1] = { |
| 468 | 0x0a |
| 469 | }; |
| 470 | |
| 471 | gprs_process_message(nsi, "ALIVE", src_addr, msg, sizeof(msg)); |
| 472 | } |
| 473 | |
| 474 | static void send_ns_alive_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 475 | { |
| 476 | /* GPRS Network Service, PDU type: NS_ALIVE_ACK */ |
| 477 | unsigned char msg[1] = { |
| 478 | 0x0b |
| 479 | }; |
| 480 | |
| 481 | gprs_process_message(nsi, "ALIVE_ACK", src_addr, msg, sizeof(msg)); |
| 482 | } |
| 483 | |
| 484 | static void send_ns_unblock(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 485 | { |
| 486 | /* GPRS Network Service, PDU type: NS_UNBLOCK */ |
| 487 | unsigned char msg[1] = { |
| 488 | 0x06 |
| 489 | }; |
| 490 | |
| 491 | gprs_process_message(nsi, "UNBLOCK", src_addr, msg, sizeof(msg)); |
| 492 | } |
| 493 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 494 | static void send_ns_unblock_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 495 | { |
| 496 | /* GPRS Network Service, PDU type: NS_UNBLOCK_ACK */ |
| 497 | unsigned char msg[1] = { |
| 498 | 0x07 |
| 499 | }; |
| 500 | |
| 501 | gprs_process_message(nsi, "UNBLOCK_ACK", src_addr, msg, sizeof(msg)); |
| 502 | } |
| 503 | |
| 504 | static void send_ns_unitdata(struct gprs_ns_inst *nsi, const char *text, |
| 505 | struct sockaddr_in *src_addr, uint16_t nsbvci, |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 506 | const unsigned char *bssgp_msg, size_t bssgp_msg_size) |
| 507 | { |
| 508 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 509 | unsigned char msg[4096] = { |
| 510 | 0x00, 0x00, 0x00, 0x00 |
| 511 | }; |
| 512 | |
| 513 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg) - 4); |
| 514 | |
| 515 | msg[2] = nsbvci / 256; |
| 516 | msg[3] = nsbvci % 256; |
| 517 | memcpy(msg + 4, bssgp_msg, bssgp_msg_size); |
| 518 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 519 | gprs_process_message(nsi, text ? text : "UNITDATA", src_addr, msg, bssgp_msg_size + 4); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 520 | } |
| 521 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 522 | static void send_bssgp_ul_unitdata( |
| 523 | struct gprs_ns_inst *nsi, const char *text, |
| 524 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 525 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 526 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 527 | { |
| 528 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 529 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 530 | unsigned char msg[4096] = { |
| 531 | 0x01, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, |
| 532 | 0x08, 0x88, /* RAI */ 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 533 | /* CELL ID */ 0x00, 0x00, 0x00, 0x80, 0x0e, /* LLC LEN */ 0x00, 0x00, |
| 534 | }; |
| 535 | |
| 536 | size_t bssgp_msg_size = 23 + llc_msg_size; |
| 537 | |
| 538 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg)); |
| 539 | |
| 540 | gsm48_construct_ra(msg + 10, raid); |
| 541 | msg[1] = (uint8_t)(tlli >> 24); |
| 542 | msg[2] = (uint8_t)(tlli >> 16); |
| 543 | msg[3] = (uint8_t)(tlli >> 8); |
| 544 | msg[4] = (uint8_t)(tlli >> 0); |
| 545 | msg[16] = cell_id / 256; |
| 546 | msg[17] = cell_id % 256; |
| 547 | msg[21] = llc_msg_size / 256; |
| 548 | msg[22] = llc_msg_size % 256; |
| 549 | memcpy(msg + 23, llc_msg, llc_msg_size); |
| 550 | |
| 551 | send_ns_unitdata(nsi, text ? text : "BSSGP UL UNITDATA", |
| 552 | src_addr, nsbvci, msg, bssgp_msg_size); |
| 553 | } |
| 554 | |
| 555 | static void send_bssgp_dl_unitdata( |
| 556 | struct gprs_ns_inst *nsi, const char *text, |
| 557 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 558 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 559 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 560 | { |
| 561 | /* Base Station Subsystem GPRS Protocol: DL_UNITDATA */ |
| 562 | unsigned char msg[4096] = { |
| 563 | 0x00, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x20, |
| 564 | 0x16, 0x82, 0x02, 0x58, |
| 565 | }; |
| 566 | unsigned char racap_drx[] = { |
| 567 | 0x13, 0x99, 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, |
| 568 | 0x62, 0x00, 0x60, 0x80, 0x9a, 0xc2, 0xc6, 0x62, |
| 569 | 0x00, 0x60, 0x80, 0xba, 0xc8, 0xc6, 0x62, 0x00, |
| 570 | 0x60, 0x80, 0x00, 0x0a, 0x82, 0x08, 0x02 |
| 571 | }; |
| 572 | |
| 573 | size_t bssgp_msg_size = 0; |
| 574 | |
| 575 | OSMO_ASSERT(51 + imsi_size + llc_msg_size <= sizeof(msg)); |
| 576 | |
| 577 | msg[1] = (uint8_t)(tlli >> 24); |
| 578 | msg[2] = (uint8_t)(tlli >> 16); |
| 579 | msg[3] = (uint8_t)(tlli >> 8); |
| 580 | msg[4] = (uint8_t)(tlli >> 0); |
| 581 | |
| 582 | bssgp_msg_size = 12; |
| 583 | |
| 584 | if (with_racap_drx) { |
| 585 | memcpy(msg + bssgp_msg_size, racap_drx, sizeof(racap_drx)); |
| 586 | bssgp_msg_size += sizeof(racap_drx); |
| 587 | } |
| 588 | |
| 589 | if (imsi) { |
| 590 | OSMO_ASSERT(imsi_size <= 127); |
| 591 | msg[bssgp_msg_size] = BSSGP_IE_IMSI; |
| 592 | msg[bssgp_msg_size + 1] = 0x80 | imsi_size; |
| 593 | memcpy(msg + bssgp_msg_size + 2, imsi, imsi_size); |
| 594 | bssgp_msg_size += 2 + imsi_size; |
| 595 | } |
| 596 | |
| 597 | if ((bssgp_msg_size % 4) != 0) { |
| 598 | size_t abytes = (4 - (bssgp_msg_size + 2) % 4) % 4; |
| 599 | msg[bssgp_msg_size] = BSSGP_IE_ALIGNMENT; |
| 600 | msg[bssgp_msg_size + 1] = 0x80 | abytes; |
| 601 | memset(msg + bssgp_msg_size + 2, 0, abytes); |
| 602 | bssgp_msg_size += 2 + abytes; |
| 603 | } |
| 604 | |
| 605 | msg[bssgp_msg_size] = BSSGP_IE_LLC_PDU; |
| 606 | if (llc_msg_size < 128) { |
| 607 | msg[bssgp_msg_size + 1] = 0x80 | llc_msg_size; |
| 608 | bssgp_msg_size += 2; |
| 609 | } else { |
| 610 | msg[bssgp_msg_size + 1] = llc_msg_size / 256; |
| 611 | msg[bssgp_msg_size + 2] = llc_msg_size % 256; |
| 612 | bssgp_msg_size += 3; |
| 613 | } |
| 614 | memcpy(msg + bssgp_msg_size, llc_msg, llc_msg_size); |
| 615 | bssgp_msg_size += llc_msg_size; |
| 616 | |
| 617 | |
| 618 | send_ns_unitdata(nsi, text ? text : "BSSGP DL UNITDATA", |
| 619 | src_addr, nsbvci, msg, bssgp_msg_size); |
| 620 | } |
| 621 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 622 | static void send_bssgp_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 623 | uint16_t bvci) |
| 624 | { |
| 625 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 626 | * BSSGP RESET */ |
Jacob Erlbeck | da4b492 | 2014-08-06 12:38:10 +0200 | [diff] [blame] | 627 | unsigned char msg[18] = { |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 628 | 0x22, 0x04, 0x82, 0x4a, |
Jacob Erlbeck | def0391 | 2014-06-02 10:48:59 +0200 | [diff] [blame] | 629 | 0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x11, 0x22, |
| 630 | 0x33, 0x40, 0x50, 0x60, 0x10, 0x00 |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 631 | }; |
| 632 | |
| 633 | msg[3] = bvci / 256; |
| 634 | msg[4] = bvci % 256; |
| 635 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 636 | send_ns_unitdata(nsi, "BVC_RESET", src_addr, 0, msg, sizeof(msg)); |
| 637 | } |
| 638 | |
| 639 | static void send_bssgp_reset_ack(struct gprs_ns_inst *nsi, |
| 640 | struct sockaddr_in *src_addr, uint16_t bvci) |
| 641 | { |
| 642 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 643 | * BSSGP RESET_ACK */ |
| 644 | static unsigned char msg[5] = { |
| 645 | 0x23, 0x04, 0x82, 0x00, |
| 646 | 0x00 |
| 647 | }; |
| 648 | |
| 649 | msg[3] = bvci / 256; |
| 650 | msg[4] = bvci % 256; |
| 651 | |
| 652 | send_ns_unitdata(nsi, "BVC_RESET_ACK", src_addr, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 653 | } |
| 654 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 655 | static void send_bssgp_suspend(struct gprs_ns_inst *nsi, |
| 656 | struct sockaddr_in *src_addr, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 657 | uint32_t tlli, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 658 | struct gprs_ra_id *raid) |
| 659 | { |
| 660 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 661 | unsigned char msg[15] = { |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 662 | 0x0b, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 663 | 0x86, /* RAI */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 664 | }; |
| 665 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 666 | msg[3] = (uint8_t)(tlli >> 24); |
| 667 | msg[4] = (uint8_t)(tlli >> 16); |
| 668 | msg[5] = (uint8_t)(tlli >> 8); |
| 669 | msg[6] = (uint8_t)(tlli >> 0); |
| 670 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 671 | gsm48_construct_ra(msg + 9, raid); |
| 672 | |
| 673 | send_ns_unitdata(nsi, "BVC_SUSPEND", src_addr, 0, msg, sizeof(msg)); |
| 674 | } |
| 675 | |
| 676 | static void send_bssgp_suspend_ack(struct gprs_ns_inst *nsi, |
| 677 | struct sockaddr_in *src_addr, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 678 | uint32_t tlli, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 679 | struct gprs_ra_id *raid) |
| 680 | { |
| 681 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND ACK */ |
| 682 | unsigned char msg[18] = { |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 683 | 0x0c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 684 | 0x86, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1d, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 685 | 0x81, 0x01 |
| 686 | }; |
| 687 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 688 | msg[3] = (uint8_t)(tlli >> 24); |
| 689 | msg[4] = (uint8_t)(tlli >> 16); |
| 690 | msg[5] = (uint8_t)(tlli >> 8); |
| 691 | msg[6] = (uint8_t)(tlli >> 0); |
| 692 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 693 | gsm48_construct_ra(msg + 9, raid); |
| 694 | |
| 695 | send_ns_unitdata(nsi, "BVC_SUSPEND_ACK", src_addr, 0, msg, sizeof(msg)); |
| 696 | } |
| 697 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 698 | static void send_bssgp_llc_discarded(struct gprs_ns_inst *nsi, |
| 699 | struct sockaddr_in *src_addr, |
| 700 | uint16_t bvci, uint32_t tlli, |
| 701 | unsigned n_frames, unsigned n_octets) |
| 702 | { |
| 703 | /* Base Station Subsystem GPRS Protocol: LLC-DISCARDED (0x2c) */ |
| 704 | unsigned char msg[] = { |
| 705 | 0x2c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x0f, |
| 706 | 0x81, /* n frames */ 0xff, 0x04, 0x82, /* BVCI */ 0xff, 0xff, 0x25, 0x83, |
| 707 | /* n octets */ 0xff, 0xff, 0xff |
| 708 | }; |
| 709 | |
| 710 | msg[3] = (uint8_t)(tlli >> 24); |
| 711 | msg[4] = (uint8_t)(tlli >> 16); |
| 712 | msg[5] = (uint8_t)(tlli >> 8); |
| 713 | msg[6] = (uint8_t)(tlli >> 0); |
| 714 | msg[9] = (uint8_t)(n_frames); |
| 715 | msg[12] = (uint8_t)(bvci >> 8); |
| 716 | msg[13] = (uint8_t)(bvci >> 0); |
| 717 | msg[16] = (uint8_t)(n_octets >> 16); |
| 718 | msg[17] = (uint8_t)(n_octets >> 8); |
| 719 | msg[18] = (uint8_t)(n_octets >> 0); |
| 720 | |
| 721 | send_ns_unitdata(nsi, "LLC_DISCARDED", src_addr, 0, msg, sizeof(msg)); |
| 722 | } |
| 723 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 724 | static void send_bssgp_flow_control_bvc(struct gprs_ns_inst *nsi, |
| 725 | struct sockaddr_in *src_addr, |
| 726 | uint16_t bvci, uint8_t tag) |
| 727 | { |
| 728 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 729 | * BSSGP FLOW_CONTROL_BVC */ |
| 730 | unsigned char msg[] = { |
| 731 | 0x26, 0x1e, 0x81, /* Tag */ 0xff, 0x05, 0x82, 0x01, 0xdc, |
| 732 | 0x03, 0x82, 0x02, 0x76, 0x01, 0x82, 0x00, 0x50, |
| 733 | 0x1c, 0x82, 0x02, 0x58, 0x06, 0x82, 0x00, 0x03 |
| 734 | }; |
| 735 | |
| 736 | msg[3] = tag; |
| 737 | |
| 738 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC", src_addr, bvci, |
| 739 | msg, sizeof(msg)); |
| 740 | } |
| 741 | |
| 742 | static void send_bssgp_flow_control_bvc_ack(struct gprs_ns_inst *nsi, |
| 743 | struct sockaddr_in *src_addr, |
| 744 | uint16_t bvci, uint8_t tag) |
| 745 | { |
| 746 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 747 | * BSSGP FLOW_CONTROL_BVC_ACK */ |
| 748 | unsigned char msg[] = { |
| 749 | 0x27, 0x1e, 0x81, /* Tag */ 0xce |
| 750 | }; |
| 751 | |
| 752 | msg[3] = tag; |
| 753 | |
| 754 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC_ACK", src_addr, bvci, |
| 755 | msg, sizeof(msg)); |
| 756 | } |
| 757 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 758 | static void send_llc_ul_ui( |
| 759 | struct gprs_ns_inst *nsi, const char *text, |
| 760 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 761 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 762 | unsigned sapi, unsigned nu, |
| 763 | const uint8_t *msg, size_t msg_size) |
| 764 | { |
| 765 | unsigned char llc_msg[4096] = { |
| 766 | 0x00, 0xc0, 0x01 |
| 767 | }; |
| 768 | |
| 769 | size_t llc_msg_size = 3 + msg_size + 3; |
| 770 | uint8_t e_bit = 0; |
| 771 | uint8_t pm_bit = 1; |
| 772 | unsigned fcs; |
| 773 | |
| 774 | nu &= 0x01ff; |
| 775 | |
| 776 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 777 | |
| 778 | llc_msg[0] = (sapi & 0x0f); |
| 779 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 780 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 781 | |
| 782 | memcpy(llc_msg + 3, msg, msg_size); |
| 783 | |
| 784 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 785 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 786 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 787 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 788 | |
| 789 | send_bssgp_ul_unitdata(nsi, text ? text : "LLC UI", |
| 790 | src_addr, nsbvci, tlli, raid, cell_id, |
| 791 | llc_msg, llc_msg_size); |
| 792 | } |
| 793 | |
| 794 | static void send_llc_dl_ui( |
| 795 | struct gprs_ns_inst *nsi, const char *text, |
| 796 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 797 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 798 | unsigned sapi, unsigned nu, |
| 799 | const uint8_t *msg, size_t msg_size) |
| 800 | { |
| 801 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 802 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 803 | unsigned char llc_msg[4096] = { |
| 804 | 0x00, 0x00, 0x01 |
| 805 | }; |
| 806 | |
| 807 | size_t llc_msg_size = 3 + msg_size + 3; |
| 808 | uint8_t e_bit = 0; |
| 809 | uint8_t pm_bit = 1; |
| 810 | unsigned fcs; |
| 811 | |
| 812 | nu &= 0x01ff; |
| 813 | |
| 814 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 815 | |
| 816 | llc_msg[0] = 0x40 | (sapi & 0x0f); |
| 817 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 818 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 819 | |
| 820 | memcpy(llc_msg + 3, msg, msg_size); |
| 821 | |
| 822 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 823 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 824 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 825 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 826 | |
| 827 | send_bssgp_dl_unitdata(nsi, text ? text : "LLC UI", |
| 828 | src_addr, nsbvci, tlli, |
| 829 | with_racap_drx, imsi, imsi_size, |
| 830 | llc_msg, llc_msg_size); |
| 831 | } |
| 832 | |
| 833 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 834 | static void setup_ns(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 835 | uint16_t nsvci, uint16_t nsei) |
| 836 | { |
| 837 | printf("Setup NS-VC: remote 0x%08x:%d, " |
| 838 | "NSVCI 0x%04x(%d), NSEI 0x%04x(%d)\n\n", |
| 839 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 840 | nsvci, nsvci, nsei, nsei); |
| 841 | |
| 842 | send_ns_reset(nsi, src_addr, NS_CAUSE_OM_INTERVENTION, nsvci, nsei); |
| 843 | send_ns_alive(nsi, src_addr); |
| 844 | send_ns_unblock(nsi, src_addr); |
| 845 | send_ns_alive_ack(nsi, src_addr); |
| 846 | } |
| 847 | |
| 848 | static void setup_bssgp(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 849 | uint16_t bvci) |
| 850 | { |
| 851 | printf("Setup BSSGP: remote 0x%08x:%d, " |
| 852 | "BVCI 0x%04x(%d)\n\n", |
| 853 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 854 | bvci, bvci); |
| 855 | |
| 856 | send_bssgp_reset(nsi, src_addr, bvci); |
| 857 | } |
| 858 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 859 | static void connect_sgsn(struct gprs_ns_inst *nsi, struct sockaddr_in *sgsn_peer, |
| 860 | uint32_t sgsn_nsei) |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 861 | { |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 862 | gprs_ns_nsip_connect(nsi, sgsn_peer, sgsn_nsei, sgsn_nsei+1); |
| 863 | send_ns_reset_ack(nsi, sgsn_peer, sgsn_nsei+1, sgsn_nsei); |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 864 | send_ns_alive_ack(nsi, sgsn_peer); |
| 865 | send_ns_unblock_ack(nsi, sgsn_peer); |
| 866 | send_ns_alive(nsi, sgsn_peer); |
| 867 | } |
| 868 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 869 | static void configure_sgsn_peer(struct sockaddr_in *sgsn_peer) |
| 870 | { |
| 871 | sgsn_peer->sin_family = AF_INET; |
| 872 | sgsn_peer->sin_port = htons(32000); |
| 873 | sgsn_peer->sin_addr.s_addr = htonl(REMOTE_SGSN_ADDR); |
| 874 | } |
| 875 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 876 | static void configure_sgsn2_peer(struct sockaddr_in *sgsn_peer) |
| 877 | { |
| 878 | sgsn_peer->sin_family = AF_INET; |
| 879 | sgsn_peer->sin_port = htons(32001); |
| 880 | sgsn_peer->sin_addr.s_addr = htonl(REMOTE_SGSN2_ADDR); |
| 881 | } |
| 882 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 883 | static void configure_bss_peers(struct sockaddr_in *bss_peers, size_t size) |
| 884 | { |
| 885 | size_t i; |
| 886 | |
| 887 | for (i = 0; i < size; ++i) { |
| 888 | bss_peers[i].sin_family = AF_INET; |
| 889 | bss_peers[i].sin_port = htons((i + 1) * 1111); |
| 890 | bss_peers[i].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR); |
| 891 | } |
| 892 | } |
| 893 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 894 | int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg, |
| 895 | struct sockaddr_in *saddr, enum gprs_ns_ll ll); |
| 896 | |
| 897 | /* override */ |
| 898 | int gprs_ns_callback(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, |
| 899 | struct msgb *msg, uint16_t bvci) |
| 900 | { |
| 901 | printf("CALLBACK, event %d, msg length %d, bvci 0x%04x\n%s\n\n", |
| 902 | event, msgb_bssgp_len(msg), bvci, |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 903 | osmo_hexdump(msgb_l2(msg), msgb_l2len(msg))); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 904 | |
| 905 | switch (event) { |
| 906 | case GPRS_NS_EVT_UNIT_DATA: |
Holger Hans Peter Freyther | eece6277 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 907 | return gbprox_rcvmsg(&gbcfg, msg, nsvc->nsei, bvci, nsvc->nsvci); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 908 | default: |
| 909 | break; |
| 910 | } |
| 911 | return 0; |
| 912 | } |
| 913 | |
| 914 | /* override */ |
| 915 | ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, |
| 916 | const struct sockaddr *dest_addr, socklen_t addrlen) |
| 917 | { |
| 918 | typedef ssize_t (*sendto_t)(int, const void *, size_t, int, |
| 919 | const struct sockaddr *, socklen_t); |
| 920 | static sendto_t real_sendto = NULL; |
| 921 | uint32_t dest_host = htonl(((struct sockaddr_in *)dest_addr)->sin_addr.s_addr); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 922 | int dest_port = htons(((struct sockaddr_in *)dest_addr)->sin_port); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 923 | |
| 924 | if (!real_sendto) |
| 925 | real_sendto = dlsym(RTLD_NEXT, "sendto"); |
| 926 | |
| 927 | if (dest_host == REMOTE_BSS_ADDR) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 928 | printf("MESSAGE to BSS at 0x%08x:%d, msg length %d\n%s\n\n", |
| 929 | dest_host, dest_port, |
| 930 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 931 | else if (dest_host == REMOTE_SGSN_ADDR) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 932 | printf("MESSAGE to SGSN at 0x%08x:%d, msg length %d\n%s\n\n", |
| 933 | dest_host, dest_port, |
| 934 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 935 | else if (dest_host == REMOTE_SGSN2_ADDR) |
| 936 | printf("MESSAGE to SGSN 2 at 0x%08x:%d, msg length %d\n%s\n\n", |
| 937 | dest_host, dest_port, |
| 938 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 939 | else |
| 940 | return real_sendto(sockfd, buf, len, flags, dest_addr, addrlen); |
| 941 | |
| 942 | return len; |
| 943 | } |
| 944 | |
| 945 | /* override */ |
| 946 | int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg) |
| 947 | { |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 948 | typedef int (*gprs_ns_sendmsg_t)(struct gprs_ns_inst *nsi, struct msgb *msg); |
| 949 | static gprs_ns_sendmsg_t real_gprs_ns_sendmsg = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 950 | uint16_t bvci = msgb_bvci(msg); |
| 951 | uint16_t nsei = msgb_nsei(msg); |
| 952 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 953 | size_t len = msgb_length(msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 954 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 955 | if (!real_gprs_ns_sendmsg) |
| 956 | real_gprs_ns_sendmsg = dlsym(RTLD_NEXT, "gprs_ns_sendmsg"); |
| 957 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 958 | if (nsei == SGSN_NSEI) |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 959 | printf("NS UNITDATA MESSAGE to SGSN, BVCI 0x%04x, " |
| 960 | "msg length %d (%s)\n", |
| 961 | bvci, len, __func__); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 962 | else if (nsei == SGSN2_NSEI) |
| 963 | printf("NS UNITDATA MESSAGE to SGSN 2, BVCI 0x%04x, " |
| 964 | "msg length %d (%s)\n", |
| 965 | bvci, len, __func__); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 966 | else |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 967 | printf("NS UNITDATA MESSAGE to BSS, BVCI 0x%04x, " |
| 968 | "msg length %d (%s)\n", |
| 969 | bvci, len, __func__); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 970 | |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 971 | if (received_messages) { |
| 972 | struct msgb *msg_copy; |
| 973 | msg_copy = gprs_msgb_copy(msg, "received_messages"); |
| 974 | llist_add_tail(&msg_copy->list, received_messages); |
| 975 | } |
| 976 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 977 | return real_gprs_ns_sendmsg(nsi, msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 978 | } |
| 979 | |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 980 | /* Get the next message from the receive FIFO |
| 981 | * |
| 982 | * \returns a pointer to the message which will be invalidated at the next call |
| 983 | * to expect_msg. Returns NULL, if there is no message left. |
| 984 | */ |
| 985 | static struct msgb *expect_msg(void) |
| 986 | { |
| 987 | static struct msgb *msg = NULL; |
| 988 | |
| 989 | msgb_free(msg); |
| 990 | msg = NULL; |
| 991 | |
| 992 | if (!received_messages) |
| 993 | return NULL; |
| 994 | |
| 995 | if (llist_empty(received_messages)) |
| 996 | return NULL; |
| 997 | |
| 998 | msg = llist_entry(received_messages->next, struct msgb, list); |
| 999 | llist_del(&msg->list); |
| 1000 | |
| 1001 | return msg; |
| 1002 | } |
| 1003 | |
| 1004 | struct expect_result { |
| 1005 | struct msgb *msg; |
| 1006 | struct gprs_gb_parse_context parse_ctx; |
| 1007 | }; |
| 1008 | |
| 1009 | static struct expect_result *expect_bssgp_msg( |
| 1010 | int match_nsei, int match_bvci, int match_pdu_type) |
| 1011 | { |
| 1012 | static struct expect_result result; |
| 1013 | static const struct expect_result empty_result = {0,}; |
| 1014 | static struct msgb *msg; |
| 1015 | uint16_t nsei; |
| 1016 | int rc; |
| 1017 | |
| 1018 | memcpy(&result, &empty_result, sizeof(result)); |
| 1019 | |
| 1020 | msg = expect_msg(); |
| 1021 | if (!msg) |
| 1022 | return NULL; |
| 1023 | |
| 1024 | nsei = msgb_nsei(msg); |
| 1025 | |
| 1026 | if (match_nsei != MATCH_ANY && match_nsei != nsei) { |
| 1027 | fprintf(stderr, "%s: NSEI mismatch (expected %u, got %u)\n", |
| 1028 | __func__, match_nsei, nsei); |
| 1029 | return NULL; |
| 1030 | } |
| 1031 | |
| 1032 | if (match_bvci != MATCH_ANY && match_bvci != msgb_bvci(msg)) { |
| 1033 | fprintf(stderr, "%s: BVCI mismatch (expected %u, got %u)\n", |
| 1034 | __func__, match_bvci, msgb_bvci(msg)); |
| 1035 | return NULL; |
| 1036 | } |
| 1037 | |
| 1038 | result.msg = msg; |
| 1039 | |
| 1040 | result.parse_ctx.to_bss = nsei != SGSN_NSEI && nsei != SGSN2_NSEI; |
| 1041 | result.parse_ctx.peer_nsei = nsei; |
| 1042 | |
| 1043 | if (!msgb_bssgph(msg)) { |
| 1044 | fprintf(stderr, "%s: Expected BSSGP\n", __func__); |
| 1045 | return NULL; |
| 1046 | } |
| 1047 | |
| 1048 | rc = gprs_gb_parse_bssgp(msgb_bssgph(msg), msgb_bssgp_len(msg), |
| 1049 | &result.parse_ctx); |
| 1050 | |
| 1051 | if (!rc) { |
| 1052 | fprintf(stderr, "%s: Failed to parse message\n", __func__); |
| 1053 | return NULL; |
| 1054 | } |
| 1055 | |
| 1056 | if (match_pdu_type != MATCH_ANY && |
| 1057 | match_pdu_type != result.parse_ctx.pdu_type) { |
| 1058 | fprintf(stderr, "%s: PDU type mismatch (expected %u, got %u)\n", |
| 1059 | __func__, match_pdu_type, result.parse_ctx.pdu_type); |
| 1060 | return NULL; |
| 1061 | } |
| 1062 | |
| 1063 | return &result; |
| 1064 | } |
| 1065 | |
| 1066 | static struct expect_result *expect_llc_msg( |
| 1067 | int match_nsei, int match_bvci, int match_sapi, int match_type) |
| 1068 | { |
| 1069 | static struct expect_result *result; |
| 1070 | |
| 1071 | result = expect_bssgp_msg(match_nsei, match_bvci, MATCH_ANY); |
| 1072 | if (!result) |
| 1073 | return NULL; |
| 1074 | |
| 1075 | if (!result->parse_ctx.llc) { |
| 1076 | fprintf(stderr, "%s: Expected LLC message\n", __func__); |
| 1077 | return NULL; |
| 1078 | } |
| 1079 | |
| 1080 | if (match_sapi != MATCH_ANY && |
| 1081 | match_sapi != result->parse_ctx.llc_hdr_parsed.sapi) { |
| 1082 | fprintf(stderr, "%s: LLC SAPI mismatch (expected %u, got %u)\n", |
| 1083 | __func__, match_sapi, result->parse_ctx.llc_hdr_parsed.sapi); |
| 1084 | return NULL; |
| 1085 | } |
| 1086 | |
| 1087 | if (match_type != MATCH_ANY && |
| 1088 | match_type != result->parse_ctx.llc_hdr_parsed.cmd) { |
| 1089 | fprintf(stderr, |
| 1090 | "%s: LLC command/type mismatch (expected %u, got %u)\n", |
| 1091 | __func__, match_type, result->parse_ctx.llc_hdr_parsed.cmd); |
| 1092 | return NULL; |
| 1093 | } |
| 1094 | |
| 1095 | return result; |
| 1096 | } |
| 1097 | |
| 1098 | static struct expect_result *expect_gmm_msg(int match_nsei, int match_bvci, |
| 1099 | int match_type) |
| 1100 | { |
| 1101 | static struct expect_result *result; |
| 1102 | |
| 1103 | result = expect_llc_msg(match_nsei, match_bvci, GPRS_SAPI_GMM, GPRS_LLC_UI); |
| 1104 | if (!result) |
| 1105 | return NULL; |
| 1106 | |
| 1107 | if (!result->parse_ctx.g48_hdr) { |
| 1108 | fprintf(stderr, "%s: Expected GSM 04.08 message\n", __func__); |
| 1109 | return NULL; |
| 1110 | } |
| 1111 | |
| 1112 | if (match_type != MATCH_ANY && |
| 1113 | match_type != result->parse_ctx.g48_hdr->msg_type) { |
| 1114 | fprintf(stderr, |
| 1115 | "%s: GSM 04.08 message type mismatch (expected %u, got %u)\n", |
| 1116 | __func__, match_type, result->parse_ctx.g48_hdr->msg_type); |
| 1117 | return NULL; |
| 1118 | } |
| 1119 | |
| 1120 | return result; |
| 1121 | } |
| 1122 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1123 | static void dump_rate_ctr_group(FILE *stream, const char *prefix, |
| 1124 | struct rate_ctr_group *ctrg) |
| 1125 | { |
| 1126 | unsigned int i; |
| 1127 | |
| 1128 | for (i = 0; i < ctrg->desc->num_ctr; i++) { |
| 1129 | struct rate_ctr *ctr = &ctrg->ctr[i]; |
| 1130 | if (ctr->current && !strchr(ctrg->desc->ctr_desc[i].name, '.')) |
| 1131 | fprintf(stream, " %s%s: %llu%s", |
| 1132 | prefix, ctrg->desc->ctr_desc[i].description, |
| 1133 | (long long)ctr->current, |
| 1134 | "\n"); |
| 1135 | }; |
| 1136 | } |
| 1137 | |
| 1138 | /* Signal handler for signals from NS layer */ |
| 1139 | static int test_signal(unsigned int subsys, unsigned int signal, |
| 1140 | void *handler_data, void *signal_data) |
| 1141 | { |
| 1142 | struct ns_signal_data *nssd = signal_data; |
| 1143 | int rc; |
| 1144 | |
| 1145 | if (subsys != SS_L_NS) |
| 1146 | return 0; |
| 1147 | |
| 1148 | switch (signal) { |
| 1149 | case S_NS_RESET: |
| 1150 | printf("==> got signal NS_RESET, NS-VC 0x%04x/%s\n", |
| 1151 | nssd->nsvc->nsvci, |
| 1152 | gprs_ns_ll_str(nssd->nsvc)); |
| 1153 | break; |
| 1154 | |
| 1155 | case S_NS_ALIVE_EXP: |
| 1156 | printf("==> got signal NS_ALIVE_EXP, NS-VC 0x%04x/%s\n", |
| 1157 | nssd->nsvc->nsvci, |
| 1158 | gprs_ns_ll_str(nssd->nsvc)); |
| 1159 | break; |
| 1160 | |
| 1161 | case S_NS_BLOCK: |
| 1162 | printf("==> got signal NS_BLOCK, NS-VC 0x%04x/%s\n", |
| 1163 | nssd->nsvc->nsvci, |
| 1164 | gprs_ns_ll_str(nssd->nsvc)); |
| 1165 | break; |
| 1166 | |
| 1167 | case S_NS_UNBLOCK: |
| 1168 | printf("==> got signal NS_UNBLOCK, NS-VC 0x%04x/%s\n", |
| 1169 | nssd->nsvc->nsvci, |
| 1170 | gprs_ns_ll_str(nssd->nsvc)); |
| 1171 | break; |
| 1172 | |
| 1173 | case S_NS_REPLACED: |
| 1174 | printf("==> got signal NS_REPLACED: 0x%04x/%s", |
| 1175 | nssd->nsvc->nsvci, |
| 1176 | gprs_ns_ll_str(nssd->nsvc)); |
| 1177 | printf(" -> 0x%04x/%s\n", |
| 1178 | nssd->old_nsvc->nsvci, |
| 1179 | gprs_ns_ll_str(nssd->old_nsvc)); |
| 1180 | break; |
| 1181 | |
| 1182 | default: |
| 1183 | printf("==> got signal %d, NS-VC 0x%04x/%s\n", signal, |
| 1184 | nssd->nsvc->nsvci, |
| 1185 | gprs_ns_ll_str(nssd->nsvc)); |
| 1186 | break; |
| 1187 | } |
| 1188 | printf("\n"); |
| 1189 | rc = gbprox_signal(subsys, signal, handler_data, signal_data); |
| 1190 | return rc; |
| 1191 | } |
| 1192 | |
| 1193 | static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, struct sockaddr_in *peer, const unsigned char* data, size_t data_len) |
| 1194 | { |
| 1195 | struct msgb *msg; |
| 1196 | int ret; |
| 1197 | if (data_len > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) { |
| 1198 | fprintf(stderr, "message too long: %d\n", data_len); |
| 1199 | return -1; |
| 1200 | } |
| 1201 | |
| 1202 | msg = gprs_ns_msgb_alloc(); |
| 1203 | memmove(msg->data, data, data_len); |
| 1204 | msg->l2h = msg->data; |
| 1205 | msgb_put(msg, data_len); |
| 1206 | |
| 1207 | printf("PROCESSING %s from 0x%08x:%d\n%s\n\n", |
| 1208 | text, ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 1209 | osmo_hexdump(data, data_len)); |
| 1210 | |
| 1211 | ret = gprs_ns_rcvmsg(nsi, msg, peer, GPRS_NS_LL_UDP); |
| 1212 | |
| 1213 | printf("result (%s) = %d\n\n", text, ret); |
| 1214 | |
| 1215 | msgb_free(msg); |
| 1216 | |
| 1217 | return ret; |
| 1218 | } |
| 1219 | |
| 1220 | static void gprs_dump_nsi(struct gprs_ns_inst *nsi) |
| 1221 | { |
| 1222 | struct gprs_nsvc *nsvc; |
| 1223 | |
| 1224 | printf("Current NS-VCIs:\n"); |
| 1225 | llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) { |
| 1226 | struct sockaddr_in *peer = &(nsvc->ip.bts_addr); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1227 | printf(" VCI 0x%04x, NSEI 0x%04x, peer 0x%08x:%d%s%s\n", |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1228 | nsvc->nsvci, nsvc->nsei, |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1229 | ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 1230 | nsvc->state & NSE_S_BLOCKED ? ", blocked" : "", |
| 1231 | nsvc->state & NSE_S_ALIVE ? "" : ", dead" |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1232 | ); |
| 1233 | dump_rate_ctr_group(stdout, " ", nsvc->ctrg); |
| 1234 | } |
| 1235 | printf("\n"); |
| 1236 | } |
| 1237 | |
| 1238 | static void test_gbproxy() |
| 1239 | { |
| 1240 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1241 | struct sockaddr_in bss_peer[4] = {{0},}; |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1242 | struct sockaddr_in sgsn_peer= {0}; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1243 | |
| 1244 | bssgp_nsi = nsi; |
| 1245 | gbcfg.nsi = bssgp_nsi; |
| 1246 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1247 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1248 | configure_sgsn_peer(&sgsn_peer); |
| 1249 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1250 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1251 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1252 | printf("--- Initialise SGSN ---\n\n"); |
| 1253 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1254 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1255 | gprs_dump_nsi(nsi); |
| 1256 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1257 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1258 | |
| 1259 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1260 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1261 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1262 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1263 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1264 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1265 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1266 | printf("--- Initialise BSS 2 ---\n\n"); |
| 1267 | |
| 1268 | setup_ns(nsi, &bss_peer[1], 0x2001, 0x2000); |
| 1269 | setup_bssgp(nsi, &bss_peer[1], 0x2002); |
| 1270 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1271 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1272 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1273 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x2002); |
| 1274 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1275 | printf("--- Move BSS 1 to new port ---\n\n"); |
| 1276 | |
| 1277 | setup_ns(nsi, &bss_peer[2], 0x1001, 0x1000); |
| 1278 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1279 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1280 | |
| 1281 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 1282 | |
| 1283 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 1284 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1285 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1286 | |
| 1287 | printf("--- Move BSS 1 to current BSS 2 port ---\n\n"); |
| 1288 | |
| 1289 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 1290 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1291 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1292 | |
| 1293 | printf("--- Move BSS 2 to new port ---\n\n"); |
| 1294 | |
| 1295 | setup_ns(nsi, &bss_peer[3], 0x2001, 0x2000); |
| 1296 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1297 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1298 | |
| 1299 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 1300 | |
| 1301 | setup_ns(nsi, &bss_peer[2], 0x2001, 0x2000); |
| 1302 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1303 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1304 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1305 | printf("--- Move BSS 1 to original BSS 1 port ---\n\n"); |
| 1306 | |
| 1307 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1308 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1309 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1310 | |
| 1311 | printf("--- Reset BSS 1 with a new BVCI ---\n\n"); |
| 1312 | |
| 1313 | setup_bssgp(nsi, &bss_peer[0], 0x1012); |
| 1314 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1315 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1316 | |
| 1317 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1012); |
| 1318 | |
| 1319 | printf("--- Reset BSS 1 with the old BVCI ---\n\n"); |
| 1320 | |
| 1321 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1322 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1323 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1324 | |
| 1325 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1326 | |
| 1327 | printf("--- Reset BSS 1 with the old BVCI again ---\n\n"); |
| 1328 | |
| 1329 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1330 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1331 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1332 | |
| 1333 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1334 | |
| 1335 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1012 ---\n\n"); |
| 1336 | |
| 1337 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1338 | |
| 1339 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1012 ---\n\n"); |
| 1340 | |
| 1341 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1342 | |
| 1343 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1344 | |
| 1345 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1346 | |
| 1347 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1348 | |
| 1349 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1350 | |
| 1351 | printf("--- Send message from BSS 2 to SGSN, BVCI 0x2002 ---\n\n"); |
| 1352 | |
| 1353 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x2002, (uint8_t *)"", 0); |
| 1354 | |
| 1355 | printf("--- Send message from SGSN to BSS 2, BVCI 0x2002 ---\n\n"); |
| 1356 | |
| 1357 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x2002, (uint8_t *)"", 0); |
| 1358 | |
| 1359 | printf("--- Reset BSS 1 with the old BVCI on BSS2's link ---\n\n"); |
| 1360 | |
| 1361 | setup_bssgp(nsi, &bss_peer[2], 0x1002); |
| 1362 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1363 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1364 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1365 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1366 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1367 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1368 | |
| 1369 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1370 | |
| 1371 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1372 | |
| 1373 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1374 | |
| 1375 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1376 | |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1377 | printf("--- Send message from SGSN to BSS 1, BVCI 0x10ff (invalid) ---\n\n"); |
| 1378 | |
| 1379 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x10ff, (uint8_t *)"", 0); |
| 1380 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1381 | /* Find peer */ |
| 1382 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0xeeee) == NULL); |
| 1383 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0x1000) == NULL); |
| 1384 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0x1012) != NULL); |
| 1385 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0xeeee) == NULL); |
| 1386 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0x1012) == NULL); |
| 1387 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0x1000) != NULL); |
| 1388 | |
| 1389 | |
| 1390 | /* Cleanup */ |
| 1391 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0, 0) == 0); |
| 1392 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0xeeee) == 0); |
| 1393 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0, 0x1002) == 0); |
| 1394 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0x1012) == 1); |
| 1395 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0x1012) == 0); |
| 1396 | |
| 1397 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1398 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1399 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1400 | |
Holger Hans Peter Freyther | eece6277 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1401 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1402 | gprs_ns_destroy(nsi); |
| 1403 | nsi = NULL; |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1404 | } |
| 1405 | |
| 1406 | static void test_gbproxy_ident_changes() |
| 1407 | { |
| 1408 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1409 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1410 | struct sockaddr_in sgsn_peer= {0}; |
| 1411 | uint16_t nsei[2] = {0x1000, 0x2000}; |
| 1412 | uint16_t nsvci[2] = {0x1001, 0x2001}; |
| 1413 | uint16_t bvci[4] = {0x1002, 0x2002, 0x3002, 0x4002}; |
| 1414 | |
| 1415 | bssgp_nsi = nsi; |
| 1416 | gbcfg.nsi = bssgp_nsi; |
| 1417 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1418 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1419 | configure_sgsn_peer(&sgsn_peer); |
| 1420 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1421 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1422 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1423 | printf("--- Initialise SGSN ---\n\n"); |
| 1424 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1425 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1426 | gprs_dump_nsi(nsi); |
| 1427 | |
| 1428 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1429 | |
| 1430 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[0]); |
| 1431 | gprs_dump_nsi(nsi); |
| 1432 | |
| 1433 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1434 | |
| 1435 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1436 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1437 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1438 | |
| 1439 | printf("--- Setup BVCI 2 ---\n\n"); |
| 1440 | |
| 1441 | setup_bssgp(nsi, &bss_peer[0], bvci[1]); |
| 1442 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[1]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1443 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1444 | |
| 1445 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1446 | |
| 1447 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1448 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1449 | |
| 1450 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 ---\n\n"); |
| 1451 | |
| 1452 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
| 1453 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
| 1454 | |
| 1455 | printf("--- Change NSEI ---\n\n"); |
| 1456 | |
| 1457 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[1]); |
| 1458 | gprs_dump_nsi(nsi); |
| 1459 | |
| 1460 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1461 | |
| 1462 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1463 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1464 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1465 | |
| 1466 | printf("--- Setup BVCI 3 ---\n\n"); |
| 1467 | |
| 1468 | setup_bssgp(nsi, &bss_peer[0], bvci[2]); |
| 1469 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[2]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1470 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1471 | |
| 1472 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1473 | |
| 1474 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1475 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1476 | |
| 1477 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1478 | " (should fail) ---\n\n"); |
| 1479 | |
| 1480 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1481 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1482 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1483 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1484 | |
| 1485 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1486 | |
| 1487 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 1488 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 1489 | |
| 1490 | printf("--- Change NSVCI ---\n\n"); |
| 1491 | |
| 1492 | setup_ns(nsi, &bss_peer[0], nsvci[1], nsei[1]); |
| 1493 | gprs_dump_nsi(nsi); |
| 1494 | |
| 1495 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1496 | |
| 1497 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1498 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1499 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1500 | |
| 1501 | printf("--- Setup BVCI 4 ---\n\n"); |
| 1502 | |
| 1503 | setup_bssgp(nsi, &bss_peer[0], bvci[3]); |
| 1504 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[3]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1505 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1506 | |
| 1507 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1508 | |
| 1509 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1510 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1511 | |
| 1512 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1513 | " (should fail) ---\n\n"); |
| 1514 | |
| 1515 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1516 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1517 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1518 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1519 | |
| 1520 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1521 | |
| 1522 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 1523 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 1524 | |
| 1525 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 4 ---\n\n"); |
| 1526 | |
| 1527 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[3], (uint8_t *)"", 0); |
| 1528 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[3], (uint8_t *)"", 0); |
| 1529 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1530 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1531 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1532 | |
Holger Hans Peter Freyther | eece6277 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1533 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1534 | gprs_ns_destroy(nsi); |
| 1535 | nsi = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1536 | } |
| 1537 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1538 | static void test_gbproxy_ra_patching() |
| 1539 | { |
| 1540 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1541 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1542 | struct sockaddr_in sgsn_peer= {0}; |
| 1543 | struct gprs_ra_id rai_bss = |
| 1544 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1545 | struct gprs_ra_id rai_sgsn = |
| 1546 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 1547 | struct gprs_ra_id rai_unknown = |
| 1548 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1549 | uint16_t cell_id = 0x7530; |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1550 | const char *err_msg = NULL; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1551 | const uint32_t ptmsi = 0xefe2b700; |
| 1552 | const uint32_t local_tlli = 0xefe2b700; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1553 | const uint32_t foreign_tlli = 0xbbc54679; |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1554 | const uint32_t foreign_tlli2 = 0xbb00beef; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1555 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 1556 | const char *patch_re = "^9898|^121314"; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1557 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1558 | struct gbproxy_peer *peer; |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1559 | LLIST_HEAD(rcv_list); |
Jacob Erlbeck | c79beec | 2014-10-10 09:48:12 +0200 | [diff] [blame^] | 1560 | struct expect_result *expect_res; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1561 | |
| 1562 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1563 | |
| 1564 | bssgp_nsi = nsi; |
| 1565 | gbcfg.nsi = bssgp_nsi; |
| 1566 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Jacob Erlbeck | 67a4445 | 2014-05-19 10:14:58 +0200 | [diff] [blame] | 1567 | gbcfg.core_mcc = 123; |
| 1568 | gbcfg.core_mnc = 456; |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1569 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
Holger Hans Peter Freyther | ce1b22e | 2014-08-04 14:22:13 +0200 | [diff] [blame] | 1570 | 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] | 1571 | gbcfg.patch_ptmsi = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1572 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1573 | configure_sgsn_peer(&sgsn_peer); |
| 1574 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1575 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 1576 | if (gbproxy_set_patch_filter(&gbcfg.matches[GBPROX_MATCH_PATCHING], |
| 1577 | patch_re, &err_msg) != 0) { |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1578 | fprintf(stderr, "Failed to compile RE '%s': %s\n", |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 1579 | patch_re, err_msg); |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1580 | exit(1); |
| 1581 | } |
| 1582 | |
| 1583 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1584 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1585 | printf("--- Initialise SGSN ---\n\n"); |
| 1586 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1587 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1588 | gprs_dump_nsi(nsi); |
| 1589 | |
| 1590 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1591 | |
| 1592 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1593 | |
| 1594 | received_messages = &rcv_list; |
| 1595 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1596 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1597 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1598 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1599 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 1600 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1601 | OSMO_ASSERT(peer != NULL); |
| 1602 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1603 | OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_BVC_RESET)); |
| 1604 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1605 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1606 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1607 | OSMO_ASSERT(expect_bssgp_msg(0x1000, 0, BSSGP_PDUT_BVC_RESET_ACK)); |
| 1608 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1609 | send_bssgp_suspend(nsi, &bss_peer[0], 0xccd1758b, &rai_bss); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1610 | |
| 1611 | OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_SUSPEND)); |
| 1612 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1613 | send_bssgp_suspend_ack(nsi, &sgsn_peer, 0xccd1758b, &rai_sgsn); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1614 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1615 | OSMO_ASSERT(expect_bssgp_msg(0x1000, 0, BSSGP_PDUT_SUSPEND_ACK)); |
| 1616 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1617 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1618 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 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_BSS].current); |
| 1621 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1622 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1623 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1624 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1625 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 1626 | foreign_tlli, &rai_bss, cell_id, |
| 1627 | GPRS_SAPI_GMM, 0, |
| 1628 | dtap_attach_req, sizeof(dtap_attach_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1629 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1630 | 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] | 1631 | 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] | 1632 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1633 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 1634 | foreign_tlli, 0, NULL, 0, |
| 1635 | GPRS_SAPI_GMM, 0, |
| 1636 | dtap_identity_req, sizeof(dtap_identity_req)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1637 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1638 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 1639 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1640 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 1641 | foreign_tlli, &rai_bss, cell_id, |
| 1642 | GPRS_SAPI_GMM, 3, |
| 1643 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1644 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1645 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ID_RESP)); |
| 1646 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1647 | OSMO_ASSERT(5 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1648 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1649 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1650 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 1651 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1652 | GPRS_SAPI_GMM, 1, |
| 1653 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1654 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1655 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 1656 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1657 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1658 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1659 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1660 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1661 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1662 | |
| 1663 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1664 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1665 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1666 | |
| 1667 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1668 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_sgsn)) != NULL); |
| 1669 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1670 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1671 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1672 | OSMO_ASSERT(link_info); |
| 1673 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1674 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1675 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1676 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1677 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1678 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1679 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 1680 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1681 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1682 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 1683 | local_tlli, &rai_bss, cell_id, |
| 1684 | GPRS_SAPI_GMM, 4, |
| 1685 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1686 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1687 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 1688 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1689 | OSMO_ASSERT(6 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1690 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1691 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1692 | OSMO_ASSERT(link_info); |
| 1693 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1694 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1695 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1696 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1697 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1698 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1699 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1700 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1701 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1702 | /* Replace APN (1) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1703 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 1704 | local_tlli, &rai_bss, cell_id, |
| 1705 | GPRS_SAPI_GMM, 3, |
| 1706 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1707 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1708 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1709 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1710 | OSMO_ASSERT(7 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1711 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1712 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1713 | OSMO_ASSERT(link_info); |
| 1714 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1715 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1716 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1717 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1718 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1719 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1720 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1721 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1722 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1723 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1724 | local_tlli, 1, imsi, sizeof(imsi), |
| 1725 | GPRS_SAPI_GMM, 2, |
| 1726 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 1727 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1728 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 1729 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1730 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1731 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1732 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1733 | OSMO_ASSERT(link_info); |
| 1734 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1735 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1736 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
| 1737 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1738 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1739 | /* Replace APN (2) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1740 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 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 | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1744 | |
Jacob Erlbeck | c79beec | 2014-10-10 09:48:12 +0200 | [diff] [blame^] | 1745 | expect_res = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ); |
| 1746 | OSMO_ASSERT(expect_res != NULL); |
| 1747 | 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] | 1748 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1749 | OSMO_ASSERT(8 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1750 | |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1751 | gbcfg.core_apn[0] = 0; |
| 1752 | gbcfg.core_apn_size = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1753 | |
| 1754 | /* Remove APN */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1755 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", &bss_peer[0], 0x1002, |
| 1756 | local_tlli, &rai_bss, cell_id, |
| 1757 | GPRS_SAPI_GMM, 3, |
| 1758 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1759 | |
Jacob Erlbeck | c79beec | 2014-10-10 09:48:12 +0200 | [diff] [blame^] | 1760 | expect_res = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ); |
| 1761 | OSMO_ASSERT(expect_res != NULL); |
| 1762 | OSMO_ASSERT(expect_res->parse_ctx.apn_ie_len == 0); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1763 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1764 | OSMO_ASSERT(9 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1765 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1766 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1767 | |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1768 | /* Detach */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1769 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 1770 | local_tlli, &rai_bss, cell_id, |
| 1771 | GPRS_SAPI_GMM, 6, |
| 1772 | dtap_detach_req, sizeof(dtap_detach_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1773 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1774 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 1775 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1776 | OSMO_ASSERT(10 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1777 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1778 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1779 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 1780 | local_tlli, 1, imsi, sizeof(imsi), |
| 1781 | GPRS_SAPI_GMM, 5, |
| 1782 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1783 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1784 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 1785 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1786 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1787 | |
| 1788 | printf("--- RA update ---\n\n"); |
| 1789 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1790 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 1791 | foreign_tlli, &rai_bss, 0x7080, |
| 1792 | GPRS_SAPI_GMM, 5, |
| 1793 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1794 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1795 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_RA_UPD_REQ)); |
| 1796 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1797 | OSMO_ASSERT(12 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1798 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1799 | send_llc_dl_ui(nsi, "RA UPD ACC", &sgsn_peer, 0x1002, |
| 1800 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1801 | GPRS_SAPI_GMM, 6, |
| 1802 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1803 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1804 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_RA_UPD_ACK)); |
| 1805 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1806 | OSMO_ASSERT(3 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1807 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1808 | /* Remove APN */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1809 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", &bss_peer[0], 0x1002, |
| 1810 | local_tlli, &rai_bss, cell_id, |
| 1811 | GPRS_SAPI_GMM, 3, |
| 1812 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1813 | |
Jacob Erlbeck | c79beec | 2014-10-10 09:48:12 +0200 | [diff] [blame^] | 1814 | expect_res = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ); |
| 1815 | OSMO_ASSERT(expect_res != NULL); |
| 1816 | OSMO_ASSERT(expect_res->parse_ctx.apn_ie_len == 0); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1817 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1818 | OSMO_ASSERT(13 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1819 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1820 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1821 | |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 1822 | /* Detach (power off -> no Detach Accept) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1823 | send_llc_ul_ui(nsi, "DETACH REQ (PWR OFF)", &bss_peer[0], 0x1002, |
| 1824 | local_tlli, &rai_bss, cell_id, |
| 1825 | GPRS_SAPI_GMM, 6, |
| 1826 | dtap_detach_po_req, sizeof(dtap_detach_po_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1827 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1828 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 1829 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1830 | OSMO_ASSERT(14 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1831 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1832 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1833 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1834 | |
| 1835 | printf("--- Bad cases ---\n\n"); |
| 1836 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1837 | /* The RAI in the Attach Request message differs from the RAI in the |
| 1838 | * BSSGP message, only patch the latter */ |
| 1839 | |
| 1840 | send_llc_ul_ui(nsi, "ATTACH REQUEST (foreign RAI)", &bss_peer[0], 0x1002, |
| 1841 | foreign_tlli2, &rai_bss, cell_id, |
| 1842 | GPRS_SAPI_GMM, 0, |
| 1843 | dtap_attach_req2, sizeof(dtap_attach_req2)); |
| 1844 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1845 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 1846 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1847 | OSMO_ASSERT(15 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1848 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1849 | printf("TLLI is already detached, shouldn't patch\n"); |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1850 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ", &bss_peer[0], 0x1002, |
| 1851 | local_tlli, &rai_bss, cell_id, |
| 1852 | GPRS_SAPI_GMM, 3, |
| 1853 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1854 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1855 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1856 | |
Jacob Erlbeck | 006c038 | 2014-05-27 13:49:04 +0200 | [diff] [blame] | 1857 | printf("Invalid RAI, shouldn't patch\n"); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1858 | send_bssgp_suspend_ack(nsi, &sgsn_peer, 0xccd1758b, &rai_unknown); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1859 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1860 | /* TODO: The following breaks with the current libosmocore, enable it |
| 1861 | * again (and remove the plain expect_msg), when the msgb_bssgph patch |
| 1862 | * is integrated */ |
| 1863 | /* OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_STATUS)); */ |
| 1864 | OSMO_ASSERT(expect_msg()); |
| 1865 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1866 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1867 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1868 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame] | 1869 | OSMO_ASSERT(!expect_msg()); |
| 1870 | received_messages = NULL; |
| 1871 | |
Jacob Erlbeck | 9ccc41e | 2014-09-25 11:21:34 +0200 | [diff] [blame] | 1872 | gbproxy_clear_patch_filter(&gbcfg.matches[GBPROX_MATCH_PATCHING]); |
Holger Hans Peter Freyther | eece6277 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1873 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1874 | gprs_ns_destroy(nsi); |
| 1875 | nsi = NULL; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1876 | } |
| 1877 | |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1878 | static void test_gbproxy_ptmsi_assignment() |
| 1879 | { |
| 1880 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1881 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1882 | struct sockaddr_in sgsn_peer= {0}; |
| 1883 | struct gprs_ra_id rai_bss = |
| 1884 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1885 | struct gprs_ra_id rai_unknown = |
| 1886 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1887 | uint16_t cell_id = 0x1234; |
| 1888 | |
| 1889 | const uint32_t ptmsi = 0xefe2b700; |
| 1890 | const uint32_t local_tlli = 0xefe2b700; |
| 1891 | |
| 1892 | const uint32_t foreign_tlli1 = 0x8000dead; |
| 1893 | const uint32_t foreign_tlli2 = 0x8000beef; |
| 1894 | |
| 1895 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
| 1896 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0x18}; |
| 1897 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1898 | struct gbproxy_link_info *link_info, *link_info2; |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1899 | struct gbproxy_peer *peer; |
| 1900 | unsigned bss_nu = 0; |
| 1901 | unsigned sgsn_nu = 0; |
| 1902 | |
| 1903 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 1904 | |
| 1905 | bssgp_nsi = nsi; |
| 1906 | gbcfg.nsi = bssgp_nsi; |
| 1907 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1908 | gbcfg.core_mcc = 0; |
| 1909 | gbcfg.core_mnc = 0; |
| 1910 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 1911 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 1912 | gbcfg.patch_ptmsi = 0; |
| 1913 | gbcfg.bss_ptmsi_state = 0; |
| 1914 | gbcfg.sgsn_tlli_state = 1; |
| 1915 | |
| 1916 | configure_sgsn_peer(&sgsn_peer); |
| 1917 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 1918 | |
| 1919 | printf("=== %s ===\n", __func__); |
| 1920 | printf("--- Initialise SGSN ---\n\n"); |
| 1921 | |
| 1922 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
| 1923 | |
| 1924 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1925 | |
| 1926 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1927 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1928 | |
| 1929 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 1930 | OSMO_ASSERT(peer != NULL); |
| 1931 | |
| 1932 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1933 | |
| 1934 | gprs_dump_nsi(nsi); |
| 1935 | dump_global(stdout, 0); |
| 1936 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1937 | |
| 1938 | printf("--- Establish first LLC connection ---\n\n"); |
| 1939 | |
| 1940 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 1941 | foreign_tlli1, &rai_unknown, cell_id, |
| 1942 | GPRS_SAPI_GMM, bss_nu++, |
| 1943 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1944 | |
| 1945 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1946 | |
| 1947 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 1948 | foreign_tlli1, 0, NULL, 0, |
| 1949 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1950 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1951 | |
| 1952 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1953 | |
| 1954 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 1955 | foreign_tlli1, &rai_bss, cell_id, |
| 1956 | GPRS_SAPI_GMM, bss_nu++, |
| 1957 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 1958 | |
| 1959 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1960 | |
| 1961 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 1962 | foreign_tlli1, 1, imsi1, sizeof(imsi1), |
| 1963 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1964 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1965 | |
| 1966 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1967 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1968 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli1); |
| 1969 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1970 | OSMO_ASSERT(link_info); |
| 1971 | OSMO_ASSERT(link_info == link_info2); |
| 1972 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1973 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli1); |
| 1974 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1975 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1976 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1977 | |
| 1978 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 1979 | local_tlli, &rai_bss, cell_id, |
| 1980 | GPRS_SAPI_GMM, bss_nu++, |
| 1981 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1982 | |
| 1983 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1984 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1985 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1986 | OSMO_ASSERT(link_info); |
| 1987 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1988 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli1); |
| 1989 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1990 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1991 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1992 | |
| 1993 | |
| 1994 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1995 | local_tlli, 1, imsi1, sizeof(imsi1), |
| 1996 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1997 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1998 | |
| 1999 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2000 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2001 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 2002 | OSMO_ASSERT(link_info); |
| 2003 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
| 2004 | OSMO_ASSERT(!gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2))); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 2005 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2006 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 2007 | OSMO_ASSERT(link_info == link_info2); |
| 2008 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2009 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 2010 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 2011 | |
| 2012 | printf("--- Establish second LLC connection with the same P-TMSI ---\n\n"); |
| 2013 | |
| 2014 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2015 | foreign_tlli2, &rai_unknown, cell_id, |
| 2016 | GPRS_SAPI_GMM, bss_nu++, |
| 2017 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2018 | |
| 2019 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2020 | |
| 2021 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 2022 | foreign_tlli2, 0, NULL, 0, |
| 2023 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2024 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2025 | |
| 2026 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2027 | |
| 2028 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2029 | foreign_tlli2, &rai_bss, cell_id, |
| 2030 | GPRS_SAPI_GMM, bss_nu++, |
| 2031 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 2032 | |
| 2033 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2034 | |
| 2035 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 2036 | foreign_tlli2, 1, imsi2, sizeof(imsi2), |
| 2037 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2038 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2039 | |
| 2040 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2041 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2042 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli2); |
| 2043 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 2044 | OSMO_ASSERT(link_info); |
| 2045 | OSMO_ASSERT(link_info == link_info2); |
| 2046 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 2047 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli2); |
| 2048 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2049 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2050 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 2051 | |
| 2052 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2053 | local_tlli, &rai_bss, cell_id, |
| 2054 | GPRS_SAPI_GMM, bss_nu++, |
| 2055 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2056 | |
| 2057 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2058 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2059 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 2060 | OSMO_ASSERT(link_info); |
| 2061 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 2062 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli2); |
| 2063 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2064 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2065 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 2066 | |
| 2067 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2068 | local_tlli, 1, imsi2, sizeof(imsi2), |
| 2069 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2070 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2071 | |
| 2072 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2073 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2074 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 2075 | OSMO_ASSERT(link_info); |
| 2076 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
| 2077 | OSMO_ASSERT(!gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1))); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 2078 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2079 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 2080 | OSMO_ASSERT(link_info == link_info2); |
| 2081 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2082 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 2083 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 2084 | |
| 2085 | dump_global(stdout, 0); |
| 2086 | |
| 2087 | gbprox_reset(&gbcfg); |
| 2088 | gprs_ns_destroy(nsi); |
| 2089 | nsi = NULL; |
| 2090 | } |
| 2091 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2092 | static void test_gbproxy_ptmsi_patching() |
| 2093 | { |
| 2094 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 2095 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 2096 | struct sockaddr_in sgsn_peer= {0}; |
| 2097 | struct gprs_ra_id rai_bss = |
| 2098 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2099 | struct gprs_ra_id rai_sgsn = |
| 2100 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2101 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 2102 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2103 | struct gprs_ra_id rai_unknown = |
| 2104 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2105 | uint16_t cell_id = 0x1234; |
| 2106 | |
| 2107 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2108 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 2109 | const uint32_t sgsn_ptmsi3 = 0xe0543210; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2110 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2111 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
| 2112 | const uint32_t local_sgsn_tlli3 = 0xe0543210; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2113 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2114 | const uint32_t unknown_sgsn_tlli = 0xeebadbad; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2115 | |
| 2116 | const uint32_t bss_ptmsi = 0xc00f7304; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2117 | const uint32_t bss_ptmsi2 = 0xe656aa1f; |
| 2118 | const uint32_t bss_ptmsi3 = 0xead4775a; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2119 | const uint32_t local_bss_tlli = 0xc00f7304; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2120 | const uint32_t local_bss_tlli2 = 0xe656aa1f; |
| 2121 | const uint32_t local_bss_tlli3 = 0xead4775a; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2122 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2123 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2124 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2125 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2126 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2127 | struct gbproxy_peer *peer; |
| 2128 | unsigned bss_nu = 0; |
| 2129 | unsigned sgsn_nu = 0; |
| 2130 | |
| 2131 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2132 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 2133 | OSMO_ASSERT(local_sgsn_tlli3 == gprs_tmsi2tlli(sgsn_ptmsi3, TLLI_LOCAL)); |
| 2134 | OSMO_ASSERT(local_bss_tlli == gprs_tmsi2tlli(bss_ptmsi, TLLI_LOCAL)); |
| 2135 | OSMO_ASSERT(local_bss_tlli2 == gprs_tmsi2tlli(bss_ptmsi2, TLLI_LOCAL)); |
| 2136 | OSMO_ASSERT(local_bss_tlli3 == gprs_tmsi2tlli(bss_ptmsi3, TLLI_LOCAL)); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2137 | |
| 2138 | bssgp_nsi = nsi; |
| 2139 | gbcfg.nsi = bssgp_nsi; |
| 2140 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 2141 | gbcfg.core_mcc = 123; |
| 2142 | gbcfg.core_mnc = 456; |
| 2143 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 2144 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2145 | gbcfg.patch_ptmsi = 1; |
| 2146 | gbcfg.bss_ptmsi_state = 0; |
| 2147 | gbcfg.sgsn_tlli_state = 1; |
| 2148 | |
| 2149 | configure_sgsn_peer(&sgsn_peer); |
| 2150 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 2151 | |
| 2152 | printf("=== %s ===\n", __func__); |
| 2153 | printf("--- Initialise SGSN ---\n\n"); |
| 2154 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2155 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2156 | |
| 2157 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2158 | |
| 2159 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 2160 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 2161 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 2162 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2163 | OSMO_ASSERT(peer != NULL); |
| 2164 | |
| 2165 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 2166 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2167 | gprs_dump_nsi(nsi); |
| 2168 | dump_global(stdout, 0); |
| 2169 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2170 | |
| 2171 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2172 | |
| 2173 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2174 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2175 | GPRS_SAPI_GMM, bss_nu++, |
| 2176 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2177 | |
| 2178 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2179 | |
| 2180 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 2181 | random_sgsn_tlli, 0, NULL, 0, |
| 2182 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2183 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2184 | |
| 2185 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2186 | |
| 2187 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2188 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2189 | GPRS_SAPI_GMM, bss_nu++, |
| 2190 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2191 | |
| 2192 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2193 | |
| 2194 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 2195 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2196 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2197 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2198 | |
| 2199 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2200 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2201 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2202 | OSMO_ASSERT(link_info); |
| 2203 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2204 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2205 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2206 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2207 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2208 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2209 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2210 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2211 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2212 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2213 | |
| 2214 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2215 | local_bss_tlli, &rai_bss, cell_id, |
| 2216 | GPRS_SAPI_GMM, bss_nu++, |
| 2217 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2218 | |
| 2219 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2220 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2221 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2222 | OSMO_ASSERT(link_info); |
| 2223 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2224 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2225 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2226 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2227 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2228 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2229 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2230 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2231 | |
| 2232 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2233 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2234 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2235 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2236 | |
| 2237 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2238 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2239 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2240 | OSMO_ASSERT(link_info); |
| 2241 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2242 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2243 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2244 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2245 | |
Jacob Erlbeck | 82add78 | 2014-09-05 18:08:12 +0200 | [diff] [blame] | 2246 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 2247 | local_bss_tlli, &rai_bss, cell_id, |
| 2248 | GPRS_SAPI_GMM, bss_nu++, |
| 2249 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
| 2250 | |
| 2251 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2252 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2253 | /* Non-DTAP */ |
| 2254 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2255 | local_bss_tlli, &rai_bss, cell_id, |
| 2256 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2257 | |
| 2258 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer, 0x1002, |
| 2259 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2260 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2261 | |
| 2262 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2263 | local_bss_tlli, &rai_bss, cell_id, |
| 2264 | llc_ui_ll11_dns_query_ul, |
| 2265 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2266 | |
| 2267 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer, 0x1002, |
| 2268 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2269 | llc_ui_ll11_dns_resp_dl, |
| 2270 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2271 | |
| 2272 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2273 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2274 | /* Repeated RA Update Requests */ |
| 2275 | send_llc_ul_ui(nsi, "RA UPD REQ (P-TMSI 2)", &bss_peer[0], 0x1002, |
| 2276 | local_bss_tlli, &rai_bss, 0x7080, |
| 2277 | GPRS_SAPI_GMM, bss_nu++, |
| 2278 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2279 | |
| 2280 | send_llc_dl_ui(nsi, "RA UDP ACC (P-TMSI 2)", &sgsn_peer, 0x1002, |
| 2281 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2282 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2283 | dtap_ra_upd_acc2, sizeof(dtap_ra_upd_acc2)); |
| 2284 | |
| 2285 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2286 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2287 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI) != NULL); |
| 2288 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2289 | OSMO_ASSERT(link_info); |
| 2290 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 2291 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2292 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2293 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2294 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi2); |
| 2295 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 2296 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2297 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2298 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2299 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2300 | |
| 2301 | send_llc_ul_ui(nsi, "RA UPD REQ (P-TMSI 3)", &bss_peer[0], 0x1002, |
| 2302 | local_bss_tlli2, &rai_bss, 0x7080, |
| 2303 | GPRS_SAPI_GMM, bss_nu++, |
| 2304 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2305 | |
| 2306 | send_llc_dl_ui(nsi, "RA UDP ACC (P-TMSI 3)", &sgsn_peer, 0x1002, |
| 2307 | local_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 2308 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2309 | dtap_ra_upd_acc3, sizeof(dtap_ra_upd_acc3)); |
| 2310 | |
| 2311 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2312 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2313 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI) == NULL); |
| 2314 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli3, SGSN_NSEI) != NULL); |
| 2315 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2316 | OSMO_ASSERT(link_info); |
| 2317 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 2318 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2319 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2320 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2321 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi3); |
| 2322 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli3); |
| 2323 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2324 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2325 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2326 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi3); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2327 | |
| 2328 | send_llc_ul_ui(nsi, "RA UPD COMPLETE", &bss_peer[0], 0x1002, |
| 2329 | local_bss_tlli3, &rai_bss, 0x7080, |
| 2330 | GPRS_SAPI_GMM, bss_nu++, |
| 2331 | dtap_ra_upd_complete, sizeof(dtap_ra_upd_complete)); |
| 2332 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2333 | link_info = gbproxy_link_info_by_tlli(peer, local_bss_tlli3); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2334 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2335 | OSMO_ASSERT(link_info); |
| 2336 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2337 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2338 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2339 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2340 | |
| 2341 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2342 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
| 2343 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2344 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2345 | |
| 2346 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2347 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2348 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli3, SGSN_NSEI); |
| 2349 | OSMO_ASSERT(link_info); |
| 2350 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli3); |
| 2351 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2352 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli3); |
| 2353 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2354 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2355 | /* Other messages */ |
| 2356 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2357 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2358 | |
| 2359 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2360 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2361 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli3, &rai_bss); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2362 | |
| 2363 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2364 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2365 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli3, &rai_sgsn); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2366 | |
| 2367 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2368 | |
| 2369 | /* Bad case: Invalid BVCI */ |
| 2370 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0xeee1, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2371 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2372 | dump_global(stdout, 0); |
| 2373 | |
| 2374 | /* Bad case: Invalid RAI */ |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2375 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli3, &rai_unknown); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2376 | |
| 2377 | dump_global(stdout, 0); |
| 2378 | |
| 2379 | /* Bad case: Invalid MCC (LAC ok) */ |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2380 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli3, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2381 | &rai_wrong_mcc_sgsn); |
| 2382 | |
| 2383 | dump_global(stdout, 0); |
| 2384 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2385 | /* Bad case: Invalid TLLI from SGSN (IMSI unknown) */ |
| 2386 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2387 | unknown_sgsn_tlli, 1, NULL, 0, |
| 2388 | GPRS_SAPI_GMM, 2, |
| 2389 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2390 | |
| 2391 | /* Bad case: Invalid TLLI from SGSN (IMSI known) */ |
| 2392 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2393 | unknown_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2394 | GPRS_SAPI_GMM, 3, |
| 2395 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2396 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2397 | /* Detach */ |
| 2398 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2399 | local_bss_tlli3, &rai_bss, cell_id, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2400 | GPRS_SAPI_GMM, bss_nu++, |
| 2401 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2402 | |
| 2403 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2404 | |
| 2405 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2406 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2407 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2408 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2409 | |
| 2410 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2411 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2412 | dump_global(stdout, 0); |
| 2413 | |
| 2414 | gbprox_reset(&gbcfg); |
| 2415 | gprs_ns_destroy(nsi); |
| 2416 | nsi = NULL; |
| 2417 | } |
| 2418 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2419 | static void test_gbproxy_imsi_acquisition() |
| 2420 | { |
| 2421 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 2422 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 2423 | struct sockaddr_in sgsn_peer= {0}; |
| 2424 | struct gprs_ra_id rai_bss = |
| 2425 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2426 | struct gprs_ra_id rai_sgsn = |
| 2427 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2428 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 2429 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2430 | struct gprs_ra_id rai_unknown = |
| 2431 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2432 | uint16_t cell_id = 0x1234; |
| 2433 | |
| 2434 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2435 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
| 2436 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2437 | const uint32_t random_sgsn_tlli2 = 0x7eb52dfb; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2438 | |
| 2439 | const uint32_t bss_ptmsi = 0xc00f7304; |
| 2440 | const uint32_t local_bss_tlli = 0xc00f7304; |
| 2441 | const uint32_t foreign_bss_tlli = 0x8000dead; |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2442 | const uint32_t other_bss_tlli = 0x8000beef; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2443 | |
| 2444 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2445 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2446 | struct gbproxy_peer *peer; |
| 2447 | unsigned bss_nu = 0; |
| 2448 | unsigned sgsn_nu = 0; |
| 2449 | |
| 2450 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2451 | |
| 2452 | bssgp_nsi = nsi; |
| 2453 | gbcfg.nsi = bssgp_nsi; |
| 2454 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 2455 | gbcfg.core_mcc = 123; |
| 2456 | gbcfg.core_mnc = 456; |
| 2457 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 2458 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2459 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2460 | gbcfg.acquire_imsi = 1; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2461 | gbcfg.bss_ptmsi_state = 0; |
| 2462 | gbcfg.sgsn_tlli_state = 1; |
| 2463 | |
| 2464 | configure_sgsn_peer(&sgsn_peer); |
| 2465 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 2466 | |
| 2467 | printf("=== %s ===\n", __func__); |
| 2468 | printf("--- Initialise SGSN ---\n\n"); |
| 2469 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2470 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2471 | |
| 2472 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2473 | |
| 2474 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 2475 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 2476 | |
| 2477 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2478 | OSMO_ASSERT(peer != NULL); |
| 2479 | |
| 2480 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 2481 | |
| 2482 | gprs_dump_nsi(nsi); |
| 2483 | dump_global(stdout, 0); |
| 2484 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2485 | |
| 2486 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2487 | |
| 2488 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2489 | foreign_bss_tlli, &rai_bss, cell_id, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2490 | GPRS_SAPI_GMM, bss_nu++, |
| 2491 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2492 | |
| 2493 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2494 | |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2495 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2496 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2497 | GPRS_SAPI_GMM, bss_nu++, |
| 2498 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2499 | |
| 2500 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2501 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2502 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 2503 | random_sgsn_tlli, 0, NULL, 0, |
| 2504 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2505 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2506 | |
| 2507 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2508 | |
| 2509 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2510 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2511 | GPRS_SAPI_GMM, bss_nu++, |
| 2512 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2513 | |
| 2514 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2515 | |
| 2516 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 2517 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2518 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2519 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2520 | |
| 2521 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2522 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2523 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2524 | OSMO_ASSERT(link_info); |
| 2525 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2526 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2527 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2528 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2529 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2530 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2531 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2532 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2533 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2534 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2535 | |
| 2536 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2537 | local_bss_tlli, &rai_bss, cell_id, |
| 2538 | GPRS_SAPI_GMM, bss_nu++, |
| 2539 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2540 | |
| 2541 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2542 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2543 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2544 | OSMO_ASSERT(link_info); |
| 2545 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2546 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2547 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2548 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2549 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2550 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2551 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2552 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2553 | |
| 2554 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2555 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2556 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2557 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2558 | |
| 2559 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2560 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2561 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2562 | OSMO_ASSERT(link_info); |
| 2563 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2564 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2565 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2566 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2567 | |
| 2568 | /* Non-DTAP */ |
| 2569 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2570 | local_bss_tlli, &rai_bss, cell_id, |
| 2571 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2572 | |
| 2573 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer, 0x1002, |
| 2574 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2575 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2576 | |
| 2577 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2578 | local_bss_tlli, &rai_bss, cell_id, |
| 2579 | llc_ui_ll11_dns_query_ul, |
| 2580 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2581 | |
| 2582 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer, 0x1002, |
| 2583 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2584 | llc_ui_ll11_dns_resp_dl, |
| 2585 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2586 | |
| 2587 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2588 | |
| 2589 | /* Other messages */ |
| 2590 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
| 2591 | local_bss_tlli, 1, 12); |
| 2592 | |
| 2593 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2594 | |
| 2595 | send_bssgp_llc_discarded(nsi, &sgsn_peer, 0x1002, |
| 2596 | local_sgsn_tlli, 1, 12); |
| 2597 | |
| 2598 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2599 | |
| 2600 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli, &rai_bss); |
| 2601 | |
| 2602 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2603 | |
| 2604 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli, &rai_sgsn); |
| 2605 | |
| 2606 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2607 | |
| 2608 | /* Bad case: Invalid BVCI */ |
| 2609 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0xeee1, |
| 2610 | local_bss_tlli, 1, 12); |
| 2611 | dump_global(stdout, 0); |
| 2612 | |
| 2613 | /* Bad case: Invalid RAI */ |
| 2614 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli, &rai_unknown); |
| 2615 | |
| 2616 | dump_global(stdout, 0); |
| 2617 | |
| 2618 | /* Bad case: Invalid MCC (LAC ok) */ |
| 2619 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli, |
| 2620 | &rai_wrong_mcc_sgsn); |
| 2621 | |
| 2622 | dump_global(stdout, 0); |
| 2623 | |
| 2624 | /* Detach */ |
| 2625 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2626 | local_bss_tlli, &rai_bss, cell_id, |
| 2627 | GPRS_SAPI_GMM, bss_nu++, |
| 2628 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2629 | |
| 2630 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2631 | |
| 2632 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 2633 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2634 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2635 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2636 | |
| 2637 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2638 | |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2639 | /* RA Update request */ |
| 2640 | |
| 2641 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 2642 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2643 | GPRS_SAPI_GMM, bss_nu++, |
| 2644 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2645 | |
| 2646 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2647 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2648 | GPRS_SAPI_GMM, bss_nu++, |
| 2649 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2650 | |
| 2651 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2652 | |
| 2653 | send_llc_dl_ui(nsi, "RA UDP ACC", &sgsn_peer, 0x1002, |
| 2654 | random_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 2655 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2656 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
| 2657 | |
| 2658 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2659 | |
| 2660 | /* Detach */ |
| 2661 | |
| 2662 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2663 | local_bss_tlli, &rai_bss, cell_id, |
| 2664 | GPRS_SAPI_GMM, bss_nu++, |
| 2665 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2666 | |
| 2667 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2668 | |
| 2669 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 2670 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2671 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2672 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2673 | |
| 2674 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2675 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2676 | /* Special case: Repeated Attach Requests */ |
| 2677 | |
| 2678 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2679 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2680 | GPRS_SAPI_GMM, bss_nu++, |
| 2681 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2682 | |
| 2683 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2684 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2685 | GPRS_SAPI_GMM, bss_nu++, |
| 2686 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2687 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2688 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2689 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2690 | GPRS_SAPI_GMM, bss_nu++, |
| 2691 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2692 | |
| 2693 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2694 | |
| 2695 | /* Special case: Detach from an unknown TLLI */ |
| 2696 | |
| 2697 | send_llc_ul_ui(nsi, "DETACH REQ (unknown TLLI)", &bss_peer[0], 0x1002, |
| 2698 | other_bss_tlli, &rai_bss, cell_id, |
| 2699 | GPRS_SAPI_GMM, bss_nu++, |
| 2700 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2701 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2702 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2703 | |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2704 | /* Special case: Repeated RA Update Requests */ |
| 2705 | |
| 2706 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 2707 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2708 | GPRS_SAPI_GMM, bss_nu++, |
| 2709 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2710 | |
| 2711 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 2712 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2713 | GPRS_SAPI_GMM, bss_nu++, |
| 2714 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2715 | |
| 2716 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2717 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2718 | GPRS_SAPI_GMM, bss_nu++, |
| 2719 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2720 | |
| 2721 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2722 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2723 | dump_global(stdout, 0); |
| 2724 | |
| 2725 | gbprox_reset(&gbcfg); |
| 2726 | gprs_ns_destroy(nsi); |
| 2727 | nsi = NULL; |
| 2728 | } |
| 2729 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2730 | static void test_gbproxy_secondary_sgsn() |
| 2731 | { |
| 2732 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 2733 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 2734 | struct sockaddr_in sgsn_peer[2]= {{0},}; |
| 2735 | struct gprs_ra_id rai_bss = |
| 2736 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2737 | struct gprs_ra_id rai_sgsn = |
| 2738 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2739 | struct gprs_ra_id rai_unknown = |
| 2740 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2741 | uint16_t cell_id = 0x1234; |
| 2742 | |
| 2743 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2744 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
| 2745 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
| 2746 | |
| 2747 | const uint32_t bss_ptmsi = 0xc00f7304; |
| 2748 | const uint32_t local_bss_tlli = 0xc00f7304; |
| 2749 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2750 | |
| 2751 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 2752 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
| 2753 | const uint32_t random_sgsn_tlli2 = 0x7eb52dfb; |
| 2754 | const uint32_t bss_ptmsi2 = 0xe656aa1f; |
| 2755 | const uint32_t local_bss_tlli2 = 0xe656aa1f; |
| 2756 | const uint32_t foreign_bss_tlli2 = 0x8000beef; |
| 2757 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2758 | const uint32_t random_sgsn_tlli3 = 0x7e23ef54; |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 2759 | const uint32_t bss_ptmsi3 = 0xead4775a; |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2760 | const uint32_t local_bss_tlli3 = 0xead4775a; |
| 2761 | const uint32_t foreign_bss_tlli3 = 0x8000feed; |
| 2762 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2763 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
| 2764 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2765 | const uint8_t imsi3[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x26, 0x27, 0x28}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2766 | struct gbproxy_link_info *link_info; |
| 2767 | struct gbproxy_link_info *other_info; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2768 | struct gbproxy_peer *peer; |
| 2769 | unsigned bss_nu = 0; |
| 2770 | unsigned sgsn_nu = 0; |
| 2771 | |
| 2772 | const char *err_msg = NULL; |
| 2773 | const char *filter_re = "999999"; |
| 2774 | |
| 2775 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2776 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 2777 | |
| 2778 | bssgp_nsi = nsi; |
| 2779 | gbcfg.nsi = bssgp_nsi; |
| 2780 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 2781 | gbcfg.core_mcc = 123; |
| 2782 | gbcfg.core_mnc = 456; |
| 2783 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 2784 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2785 | gbcfg.patch_ptmsi = 1; |
| 2786 | gbcfg.acquire_imsi = 1; |
| 2787 | gbcfg.bss_ptmsi_state = 0; |
| 2788 | gbcfg.sgsn_tlli_state = 1; |
| 2789 | gbcfg.route_to_sgsn2 = 1; |
| 2790 | gbcfg.nsip_sgsn2_nsei = SGSN2_NSEI; |
| 2791 | |
Jacob Erlbeck | b36032c | 2014-09-25 13:21:48 +0200 | [diff] [blame] | 2792 | if (gbproxy_set_patch_filter(&gbcfg.matches[GBPROX_MATCH_ROUTING], |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 2793 | filter_re, &err_msg) != 0) { |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2794 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 2795 | err_msg); |
| 2796 | OSMO_ASSERT(err_msg == NULL); |
| 2797 | } |
| 2798 | |
| 2799 | configure_sgsn_peer(&sgsn_peer[0]); |
| 2800 | configure_sgsn2_peer(&sgsn_peer[1]); |
| 2801 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 2802 | |
| 2803 | printf("=== %s ===\n", __func__); |
| 2804 | printf("--- Initialise SGSN 1 ---\n\n"); |
| 2805 | |
| 2806 | connect_sgsn(nsi, &sgsn_peer[0], SGSN_NSEI); |
| 2807 | |
| 2808 | printf("--- Initialise SGSN 2 ---\n\n"); |
| 2809 | |
| 2810 | connect_sgsn(nsi, &sgsn_peer[1], SGSN2_NSEI); |
| 2811 | |
| 2812 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2813 | |
| 2814 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 2815 | setup_bssgp(nsi, &bss_peer[0], 0x0); |
| 2816 | send_bssgp_reset_ack(nsi, &sgsn_peer[0], 0x0); |
| 2817 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 2818 | send_bssgp_reset_ack(nsi, &sgsn_peer[0], 0x1002); |
| 2819 | send_bssgp_reset_ack(nsi, &sgsn_peer[1], 0x1002); |
| 2820 | |
| 2821 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2822 | OSMO_ASSERT(peer != NULL); |
| 2823 | |
| 2824 | gprs_dump_nsi(nsi); |
| 2825 | dump_global(stdout, 0); |
| 2826 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2827 | |
| 2828 | printf("--- Flow control ---\n\n"); |
| 2829 | |
| 2830 | send_bssgp_flow_control_bvc(nsi, &bss_peer[0], 0x1002, 1); |
| 2831 | send_bssgp_flow_control_bvc_ack(nsi, &sgsn_peer[0], 0x1002, 1); |
| 2832 | send_bssgp_flow_control_bvc_ack(nsi, &sgsn_peer[1], 0x1002, 1); |
| 2833 | |
| 2834 | printf("--- Establish GPRS connection (SGSN 1) ---\n\n"); |
| 2835 | |
| 2836 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2837 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2838 | GPRS_SAPI_GMM, bss_nu++, |
| 2839 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2840 | |
| 2841 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2842 | |
| 2843 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2844 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2845 | GPRS_SAPI_GMM, bss_nu++, |
| 2846 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2847 | |
| 2848 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2849 | |
| 2850 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer[0], 0x1002, |
| 2851 | random_sgsn_tlli, 0, NULL, 0, |
| 2852 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2853 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2854 | |
| 2855 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2856 | |
| 2857 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2858 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2859 | GPRS_SAPI_GMM, bss_nu++, |
| 2860 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2861 | |
| 2862 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2863 | |
| 2864 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer[0], 0x1002, |
| 2865 | random_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2866 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2867 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2868 | |
| 2869 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2870 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2871 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2872 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2873 | OSMO_ASSERT(link_info); |
| 2874 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2875 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2876 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2877 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2878 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2879 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2880 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2881 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2882 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2883 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2884 | |
| 2885 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2886 | local_bss_tlli, &rai_bss, cell_id, |
| 2887 | GPRS_SAPI_GMM, bss_nu++, |
| 2888 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2889 | |
| 2890 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2891 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2892 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2893 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2894 | OSMO_ASSERT(link_info); |
| 2895 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2896 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2897 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2898 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2899 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2900 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2901 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2902 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2903 | |
| 2904 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer[0], 0x1002, |
| 2905 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2906 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2907 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2908 | |
| 2909 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2910 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2911 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2912 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2913 | OSMO_ASSERT(link_info); |
| 2914 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2915 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2916 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2917 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2918 | |
| 2919 | /* Non-DTAP */ |
| 2920 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2921 | local_bss_tlli, &rai_bss, cell_id, |
| 2922 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2923 | |
| 2924 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer[0], 0x1002, |
| 2925 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2926 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2927 | |
| 2928 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2929 | local_bss_tlli, &rai_bss, cell_id, |
| 2930 | llc_ui_ll11_dns_query_ul, |
| 2931 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2932 | |
| 2933 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer[0], 0x1002, |
| 2934 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2935 | llc_ui_ll11_dns_resp_dl, |
| 2936 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2937 | |
| 2938 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2939 | |
| 2940 | /* Other messages */ |
| 2941 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
| 2942 | local_bss_tlli, 1, 12); |
| 2943 | |
| 2944 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2945 | |
| 2946 | send_bssgp_llc_discarded(nsi, &sgsn_peer[0], 0x1002, |
| 2947 | local_sgsn_tlli, 1, 12); |
| 2948 | |
| 2949 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2950 | |
| 2951 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli, &rai_bss); |
| 2952 | |
| 2953 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2954 | |
| 2955 | send_bssgp_suspend_ack(nsi, &sgsn_peer[0], local_sgsn_tlli, &rai_sgsn); |
| 2956 | |
| 2957 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2958 | |
| 2959 | printf("--- Establish GPRS connection (SGSN 2) ---\n\n"); |
| 2960 | |
| 2961 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2962 | foreign_bss_tlli2, &rai_unknown, cell_id, |
| 2963 | GPRS_SAPI_GMM, bss_nu++, |
| 2964 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2965 | |
| 2966 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2967 | |
| 2968 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2969 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 2970 | GPRS_SAPI_GMM, bss_nu++, |
| 2971 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 2972 | |
| 2973 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2974 | |
| 2975 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer[1], 0x1002, |
| 2976 | random_sgsn_tlli2, 0, NULL, 0, |
| 2977 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2978 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2979 | |
| 2980 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2981 | |
| 2982 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2983 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 2984 | GPRS_SAPI_GMM, bss_nu++, |
Jacob Erlbeck | 2bb4543 | 2014-09-17 12:05:08 +0200 | [diff] [blame] | 2985 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2986 | |
| 2987 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2988 | |
| 2989 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer[1], 0x1002, |
| 2990 | random_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 2991 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2992 | dtap_attach_acc2, sizeof(dtap_attach_acc2)); |
| 2993 | |
| 2994 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2995 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2996 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli2, SGSN_NSEI)); |
| 2997 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli2, SGSN2_NSEI); |
| 2998 | OSMO_ASSERT(link_info); |
| 2999 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 3000 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli2); |
| 3001 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 3002 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3003 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi2); |
| 3004 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 3005 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 3006 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 3007 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 3008 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3009 | |
| 3010 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3011 | local_bss_tlli2, &rai_bss, cell_id, |
| 3012 | GPRS_SAPI_GMM, bss_nu++, |
| 3013 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3014 | |
| 3015 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3016 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3017 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI)); |
| 3018 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN2_NSEI); |
| 3019 | OSMO_ASSERT(link_info); |
| 3020 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 3021 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli2); |
| 3022 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 3023 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3024 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 3025 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 3026 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 3027 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3028 | |
| 3029 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer[1], 0x1002, |
| 3030 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3031 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3032 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3033 | |
| 3034 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3035 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3036 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI)); |
| 3037 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN2_NSEI); |
| 3038 | OSMO_ASSERT(link_info); |
| 3039 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli2); |
| 3040 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 3041 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli2); |
| 3042 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3043 | |
| 3044 | /* Non-DTAP */ |
| 3045 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 3046 | local_bss_tlli2, &rai_bss, cell_id, |
| 3047 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 3048 | |
| 3049 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer[1], 0x1002, |
| 3050 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3051 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 3052 | |
| 3053 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 3054 | local_bss_tlli2, &rai_bss, cell_id, |
| 3055 | llc_ui_ll11_dns_query_ul, |
| 3056 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 3057 | |
| 3058 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer[1], 0x1002, |
| 3059 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3060 | llc_ui_ll11_dns_resp_dl, |
| 3061 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 3062 | |
| 3063 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3064 | |
| 3065 | /* Other messages */ |
| 3066 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
| 3067 | local_bss_tlli2, 1, 12); |
| 3068 | |
| 3069 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3070 | |
| 3071 | send_bssgp_llc_discarded(nsi, &sgsn_peer[1], 0x1002, |
| 3072 | local_sgsn_tlli2, 1, 12); |
| 3073 | |
| 3074 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3075 | |
| 3076 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli2, &rai_bss); |
| 3077 | |
| 3078 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3079 | |
| 3080 | send_bssgp_suspend_ack(nsi, &sgsn_peer[1], local_sgsn_tlli2, &rai_sgsn); |
| 3081 | |
| 3082 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3083 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3084 | printf("--- Establish GPRS connection (SGSN 2, P-TMSI collision) ---\n\n"); |
| 3085 | |
| 3086 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3087 | foreign_bss_tlli3, &rai_unknown, cell_id, |
| 3088 | GPRS_SAPI_GMM, bss_nu++, |
| 3089 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3090 | |
| 3091 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3092 | |
| 3093 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3094 | foreign_bss_tlli3, &rai_bss, cell_id, |
| 3095 | GPRS_SAPI_GMM, bss_nu++, |
| 3096 | dtap_identity3_resp, sizeof(dtap_identity3_resp)); |
| 3097 | |
| 3098 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3099 | |
| 3100 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer[1], 0x1002, |
| 3101 | random_sgsn_tlli3, 0, NULL, 0, |
| 3102 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3103 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3104 | |
| 3105 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3106 | |
| 3107 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3108 | foreign_bss_tlli3, &rai_bss, cell_id, |
| 3109 | GPRS_SAPI_GMM, bss_nu++, |
| 3110 | dtap_identity3_resp, sizeof(dtap_identity3_resp)); |
| 3111 | |
| 3112 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3113 | |
| 3114 | send_llc_dl_ui(nsi, "ATTACH ACCEPT (P-TMSI 1)", &sgsn_peer[1], 0x1002, |
| 3115 | random_sgsn_tlli3, 1, imsi3, sizeof(imsi3), |
| 3116 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3117 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3118 | |
| 3119 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3120 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3121 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli3, SGSN_NSEI)); |
| 3122 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli3, SGSN2_NSEI); |
| 3123 | OSMO_ASSERT(link_info); |
| 3124 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 3125 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli3); |
| 3126 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 3127 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3128 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi3); |
| 3129 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 3130 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli3); |
| 3131 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 3132 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 3133 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3134 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3135 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3136 | local_bss_tlli3, &rai_bss, cell_id, |
| 3137 | GPRS_SAPI_GMM, bss_nu++, |
| 3138 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3139 | |
| 3140 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3141 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3142 | 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] | 3143 | OSMO_ASSERT(other_info); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3144 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI); |
| 3145 | OSMO_ASSERT(link_info); |
| 3146 | OSMO_ASSERT(link_info != other_info); |
| 3147 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 3148 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli3); |
| 3149 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 3150 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3151 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 3152 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli3); |
| 3153 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 3154 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3155 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3156 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer[1], 0x1002, |
| 3157 | local_sgsn_tlli, 1, imsi3, sizeof(imsi3), |
| 3158 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3159 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3160 | |
| 3161 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3162 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3163 | 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] | 3164 | OSMO_ASSERT(other_info); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3165 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI); |
| 3166 | OSMO_ASSERT(link_info); |
| 3167 | OSMO_ASSERT(link_info != other_info); |
| 3168 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli3); |
| 3169 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 3170 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 3171 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3172 | |
| 3173 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3174 | printf("--- Shutdown GPRS connection (SGSN 1) ---\n\n"); |
| 3175 | |
| 3176 | /* Detach */ |
| 3177 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 3178 | local_bss_tlli, &rai_bss, cell_id, |
| 3179 | GPRS_SAPI_GMM, bss_nu++, |
| 3180 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3181 | |
| 3182 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3183 | |
| 3184 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer[0], 0x1002, |
| 3185 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 3186 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3187 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3188 | |
| 3189 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3190 | |
| 3191 | printf("--- Shutdown GPRS connection (SGSN 2) ---\n\n"); |
| 3192 | |
| 3193 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 3194 | local_bss_tlli2, &rai_bss, cell_id, |
| 3195 | GPRS_SAPI_GMM, bss_nu++, |
| 3196 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3197 | |
| 3198 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3199 | |
| 3200 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer[1], 0x1002, |
| 3201 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3202 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3203 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3204 | |
| 3205 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3206 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3207 | printf("--- Shutdown GPRS connection (SGSN 2, P-TMSI 1) ---\n\n"); |
| 3208 | |
| 3209 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 3210 | local_bss_tlli3, &rai_bss, cell_id, |
| 3211 | GPRS_SAPI_GMM, bss_nu++, |
| 3212 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3213 | |
| 3214 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3215 | |
| 3216 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer[1], 0x1002, |
| 3217 | local_sgsn_tlli, 1, imsi3, sizeof(imsi3), |
| 3218 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3219 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3220 | |
| 3221 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3222 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3223 | dump_global(stdout, 0); |
| 3224 | |
Jacob Erlbeck | b36032c | 2014-09-25 13:21:48 +0200 | [diff] [blame] | 3225 | gbproxy_clear_patch_filter(&gbcfg.matches[GBPROX_MATCH_ROUTING]); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3226 | gbprox_reset(&gbcfg); |
| 3227 | gprs_ns_destroy(nsi); |
| 3228 | nsi = NULL; |
| 3229 | } |
| 3230 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3231 | static void test_gbproxy_keep_info() |
| 3232 | { |
| 3233 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 3234 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 3235 | struct sockaddr_in sgsn_peer= {0}; |
| 3236 | struct gprs_ra_id rai_bss = |
| 3237 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 3238 | uint16_t cell_id = 0x1234; |
| 3239 | |
| 3240 | const uint32_t ptmsi = 0xefe2b700; |
| 3241 | const uint32_t local_tlli = 0xefe2b700; |
| 3242 | const uint32_t foreign_tlli = 0xafe2b700; |
| 3243 | |
| 3244 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3245 | struct gbproxy_link_info *link_info, *link_info2; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3246 | struct gbproxy_peer *peer; |
| 3247 | unsigned bss_nu = 0; |
| 3248 | unsigned sgsn_nu = 0; |
| 3249 | |
| 3250 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 3251 | |
| 3252 | bssgp_nsi = nsi; |
| 3253 | gbcfg.nsi = bssgp_nsi; |
| 3254 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 3255 | gbcfg.patch_ptmsi = 0; |
| 3256 | gbcfg.acquire_imsi = 1; |
| 3257 | gbcfg.bss_ptmsi_state = 0; |
| 3258 | gbcfg.sgsn_tlli_state = 1; |
| 3259 | gbcfg.core_mcc = 0; |
| 3260 | gbcfg.core_mnc = 0; |
| 3261 | gbcfg.core_apn = NULL; |
| 3262 | gbcfg.core_apn_size = 0; |
| 3263 | gbcfg.route_to_sgsn2 = 0; |
| 3264 | gbcfg.nsip_sgsn2_nsei = 0xffff; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3265 | gbcfg.keep_link_infos = GBPROX_KEEP_ALWAYS; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3266 | |
| 3267 | configure_sgsn_peer(&sgsn_peer); |
| 3268 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 3269 | |
| 3270 | printf("=== %s ===\n", __func__); |
| 3271 | printf("--- Initialise SGSN ---\n\n"); |
| 3272 | |
| 3273 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
| 3274 | |
| 3275 | printf("--- Initialise BSS 1 ---\n\n"); |
| 3276 | |
| 3277 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 3278 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 3279 | |
| 3280 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 3281 | OSMO_ASSERT(peer != NULL); |
| 3282 | |
| 3283 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 3284 | |
| 3285 | gprs_dump_nsi(nsi); |
| 3286 | dump_global(stdout, 0); |
| 3287 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3288 | |
| 3289 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 3290 | |
| 3291 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3292 | foreign_tlli, &rai_bss, cell_id, |
| 3293 | GPRS_SAPI_GMM, bss_nu++, |
| 3294 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3295 | |
| 3296 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3297 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3298 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3299 | OSMO_ASSERT(link_info); |
| 3300 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3301 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3302 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3303 | |
| 3304 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3305 | foreign_tlli, &rai_bss, cell_id, |
| 3306 | GPRS_SAPI_GMM, bss_nu++, |
| 3307 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3308 | |
| 3309 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3310 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3311 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3312 | OSMO_ASSERT(link_info); |
| 3313 | OSMO_ASSERT(link_info->imsi_len > 0); |
| 3314 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3315 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3316 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 3317 | foreign_tlli, 0, NULL, 0, |
| 3318 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3319 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3320 | |
| 3321 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3322 | |
| 3323 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3324 | foreign_tlli, &rai_bss, cell_id, |
| 3325 | GPRS_SAPI_GMM, bss_nu++, |
| 3326 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3327 | |
| 3328 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3329 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3330 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3331 | OSMO_ASSERT(link_info); |
| 3332 | OSMO_ASSERT(link_info->imsi_len > 0); |
| 3333 | OSMO_ASSERT(gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi))); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3334 | |
| 3335 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3336 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3337 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3338 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3339 | |
| 3340 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3341 | |
| 3342 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3343 | local_tlli, &rai_bss, cell_id, |
| 3344 | GPRS_SAPI_GMM, bss_nu++, |
| 3345 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3346 | |
| 3347 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3348 | |
| 3349 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 3350 | local_tlli, 1, imsi, sizeof(imsi), |
| 3351 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3352 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3353 | |
| 3354 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3355 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3356 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3357 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3358 | |
| 3359 | /* Detach (MO) */ |
| 3360 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 3361 | local_tlli, &rai_bss, cell_id, |
| 3362 | GPRS_SAPI_GMM, bss_nu++, |
| 3363 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3364 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3365 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3366 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3367 | |
| 3368 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3369 | |
| 3370 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3371 | local_tlli, 1, imsi, sizeof(imsi), |
| 3372 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3373 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3374 | |
| 3375 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3376 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3377 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3378 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3379 | OSMO_ASSERT(link_info); |
| 3380 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3381 | |
| 3382 | /* Re-Attach */ |
| 3383 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3384 | foreign_tlli, &rai_bss, cell_id, |
| 3385 | GPRS_SAPI_GMM, bss_nu++, |
| 3386 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3387 | |
| 3388 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3389 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3390 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3391 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3392 | OSMO_ASSERT(link_info); |
| 3393 | OSMO_ASSERT(link_info == link_info2); |
| 3394 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3395 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3396 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3397 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3398 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3399 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3400 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3401 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3402 | |
| 3403 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3404 | |
| 3405 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3406 | local_tlli, &rai_bss, cell_id, |
| 3407 | GPRS_SAPI_GMM, bss_nu++, |
| 3408 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3409 | |
| 3410 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3411 | |
| 3412 | /* Detach (MT) */ |
| 3413 | send_llc_dl_ui(nsi, "DETACH REQ (re-attach)", &sgsn_peer, 0x1002, |
| 3414 | local_tlli, 1, imsi, sizeof(imsi), |
| 3415 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3416 | dtap_mt_detach_rea_req, sizeof(dtap_mt_detach_rea_req)); |
| 3417 | |
| 3418 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3419 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3420 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3421 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3422 | |
| 3423 | send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3424 | local_tlli, &rai_bss, cell_id, |
| 3425 | GPRS_SAPI_GMM, bss_nu++, |
| 3426 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3427 | |
| 3428 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3429 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3430 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3431 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3432 | OSMO_ASSERT(link_info); |
| 3433 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3434 | |
| 3435 | /* Re-Attach */ |
| 3436 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3437 | foreign_tlli, &rai_bss, cell_id, |
| 3438 | GPRS_SAPI_GMM, bss_nu++, |
| 3439 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3440 | |
| 3441 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3442 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3443 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3444 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3445 | OSMO_ASSERT(link_info); |
| 3446 | OSMO_ASSERT(link_info == link_info2); |
| 3447 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3448 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3449 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3450 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3451 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3452 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3453 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3454 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3455 | |
| 3456 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3457 | |
| 3458 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3459 | local_tlli, &rai_bss, cell_id, |
| 3460 | GPRS_SAPI_GMM, bss_nu++, |
| 3461 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3462 | |
| 3463 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3464 | |
| 3465 | /* Detach (MT) */ |
| 3466 | send_llc_dl_ui(nsi, "DETACH REQ", &sgsn_peer, 0x1002, |
| 3467 | local_tlli, 1, imsi, sizeof(imsi), |
| 3468 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3469 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3470 | |
| 3471 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3472 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3473 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3474 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3475 | |
| 3476 | send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3477 | local_tlli, &rai_bss, cell_id, |
| 3478 | GPRS_SAPI_GMM, bss_nu++, |
| 3479 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3480 | |
| 3481 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3482 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3483 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3484 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3485 | OSMO_ASSERT(link_info); |
| 3486 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3487 | |
| 3488 | /* Re-Attach */ |
| 3489 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3490 | foreign_tlli, &rai_bss, cell_id, |
| 3491 | GPRS_SAPI_GMM, bss_nu++, |
| 3492 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3493 | |
| 3494 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3495 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3496 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3497 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3498 | OSMO_ASSERT(link_info); |
| 3499 | OSMO_ASSERT(link_info == link_info2); |
| 3500 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3501 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3502 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3503 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3504 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3505 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3506 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3507 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3508 | |
| 3509 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3510 | |
| 3511 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3512 | local_tlli, &rai_bss, cell_id, |
| 3513 | GPRS_SAPI_GMM, bss_nu++, |
| 3514 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3515 | |
| 3516 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3517 | |
| 3518 | /* RA update procedure (reject -> Detach) */ |
| 3519 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 3520 | local_tlli, &rai_bss, 0x7080, |
| 3521 | GPRS_SAPI_GMM, bss_nu++, |
| 3522 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 3523 | |
| 3524 | send_llc_dl_ui(nsi, "RA UDP REJ", &sgsn_peer, 0x1002, |
| 3525 | local_tlli, 1, imsi, sizeof(imsi), |
| 3526 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3527 | dtap_ra_upd_rej, sizeof(dtap_ra_upd_rej)); |
| 3528 | |
| 3529 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3530 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3531 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3532 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3533 | OSMO_ASSERT(link_info); |
| 3534 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3535 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3536 | /* Bad case: Re-Attach with wrong (initial) P-TMSI */ |
| 3537 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3538 | foreign_tlli, &rai_bss, cell_id, |
| 3539 | GPRS_SAPI_GMM, bss_nu++, |
| 3540 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3541 | |
| 3542 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3543 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3544 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3545 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3546 | OSMO_ASSERT(link_info); |
| 3547 | OSMO_ASSERT(link_info != link_info2); |
| 3548 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3549 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3550 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3551 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 3552 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3553 | foreign_tlli, &rai_bss, cell_id, |
| 3554 | GPRS_SAPI_GMM, bss_nu++, |
| 3555 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3556 | |
| 3557 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3558 | |
| 3559 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3560 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3561 | OSMO_ASSERT(link_info); |
| 3562 | OSMO_ASSERT(link_info == link_info2); |
| 3563 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3564 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3565 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3566 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3567 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3568 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3569 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3570 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3571 | |
| 3572 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3573 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3574 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3575 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3576 | OSMO_ASSERT(link_info); |
| 3577 | OSMO_ASSERT(link_info == link_info2); |
Jacob Erlbeck | ea71b48 | 2014-09-22 09:28:27 +0200 | [diff] [blame] | 3578 | OSMO_ASSERT(link_info->imsi_len > 0); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3579 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3580 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3581 | local_tlli, &rai_bss, cell_id, |
| 3582 | GPRS_SAPI_GMM, bss_nu++, |
| 3583 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3584 | |
| 3585 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3586 | |
| 3587 | /* Detach (MT) */ |
| 3588 | send_llc_dl_ui(nsi, "DETACH REQ", &sgsn_peer, 0x1002, |
| 3589 | local_tlli, 1, imsi, sizeof(imsi), |
| 3590 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3591 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3592 | |
| 3593 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3594 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3595 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3596 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3597 | |
| 3598 | send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3599 | local_tlli, &rai_bss, cell_id, |
| 3600 | GPRS_SAPI_GMM, bss_nu++, |
| 3601 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3602 | |
| 3603 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3604 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3605 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3606 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3607 | OSMO_ASSERT(link_info); |
| 3608 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3609 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 3610 | /* Attach rejected */ |
| 3611 | |
| 3612 | gbproxy_delete_link_infos(peer); |
| 3613 | |
| 3614 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3615 | foreign_tlli, &rai_bss, cell_id, |
| 3616 | GPRS_SAPI_GMM, bss_nu++, |
| 3617 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3618 | |
| 3619 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3620 | |
| 3621 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3622 | OSMO_ASSERT(link_info); |
| 3623 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3624 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3625 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 3626 | |
| 3627 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3628 | foreign_tlli, &rai_bss, cell_id, |
| 3629 | GPRS_SAPI_GMM, bss_nu++, |
| 3630 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3631 | |
| 3632 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3633 | |
| 3634 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3635 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3636 | OSMO_ASSERT(link_info); |
| 3637 | OSMO_ASSERT(link_info == link_info2); |
| 3638 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3639 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3640 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3641 | |
| 3642 | send_llc_dl_ui(nsi, "ATTACH REJECT", &sgsn_peer, 0x1002, |
| 3643 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3644 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3645 | dtap_attach_rej7, sizeof(dtap_attach_rej7)); |
| 3646 | |
| 3647 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3648 | |
Jacob Erlbeck | 9c65c81 | 2014-09-22 10:42:05 +0200 | [diff] [blame] | 3649 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, foreign_tlli)); |
| 3650 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 3651 | /* Attach (incomplete) and Detach (MO) */ |
| 3652 | |
| 3653 | gbproxy_delete_link_infos(peer); |
| 3654 | |
| 3655 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3656 | foreign_tlli, &rai_bss, cell_id, |
| 3657 | GPRS_SAPI_GMM, bss_nu++, |
| 3658 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3659 | |
| 3660 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3661 | |
| 3662 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3663 | OSMO_ASSERT(link_info); |
| 3664 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3665 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3666 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 3667 | |
| 3668 | send_llc_ul_ui(nsi, "DETACH REQ (MO)", &bss_peer[0], 0x1002, |
| 3669 | foreign_tlli, &rai_bss, cell_id, |
| 3670 | GPRS_SAPI_GMM, bss_nu++, |
| 3671 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3672 | |
| 3673 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3674 | |
| 3675 | /* Attach (incomplete) and Detach (MT) */ |
| 3676 | |
| 3677 | gbproxy_delete_link_infos(peer); |
| 3678 | |
| 3679 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3680 | foreign_tlli, &rai_bss, cell_id, |
| 3681 | GPRS_SAPI_GMM, bss_nu++, |
| 3682 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3683 | |
| 3684 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3685 | |
| 3686 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3687 | OSMO_ASSERT(link_info); |
| 3688 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3689 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3690 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 3691 | |
| 3692 | send_llc_dl_ui(nsi, "DETACH REQ (MT)", &sgsn_peer, 0x1002, |
| 3693 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3694 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3695 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3696 | |
| 3697 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3698 | |
| 3699 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3700 | OSMO_ASSERT(link_info); |
| 3701 | |
| 3702 | send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3703 | foreign_tlli, &rai_bss, cell_id, |
| 3704 | GPRS_SAPI_GMM, bss_nu++, |
| 3705 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3706 | |
| 3707 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3708 | |
| 3709 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, foreign_tlli)); |
| 3710 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3711 | OSMO_ASSERT(link_info); |
| 3712 | OSMO_ASSERT(link_info->is_deregistered); |
| 3713 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3714 | dump_global(stdout, 0); |
| 3715 | |
| 3716 | gbprox_reset(&gbcfg); |
| 3717 | gprs_ns_destroy(nsi); |
| 3718 | nsi = NULL; |
| 3719 | } |
| 3720 | |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3721 | /* TODO: Move tlv testing to libosmocore */ |
| 3722 | int v_fixed_shift(uint8_t **data, size_t *data_len, size_t len, uint8_t **value); |
| 3723 | int tv_fixed_match(uint8_t **data, size_t *data_len, uint8_t tag, size_t len, |
| 3724 | uint8_t **value); |
| 3725 | int tlv_match(uint8_t **data, size_t *data_len, uint8_t tag, uint8_t **value, |
| 3726 | size_t *value_len); |
| 3727 | int lv_shift(uint8_t **data, size_t *data_len, |
| 3728 | uint8_t **value, size_t *value_len); |
| 3729 | |
| 3730 | static void check_tlv_match(uint8_t **data, size_t *data_len, |
| 3731 | uint8_t tag, size_t exp_len, const uint8_t *exp_val) |
| 3732 | { |
| 3733 | uint8_t *value; |
| 3734 | size_t value_len; |
| 3735 | int rc; |
| 3736 | |
| 3737 | rc = tlv_match(data, data_len, tag ^ 1, NULL, NULL); |
| 3738 | OSMO_ASSERT(rc == 0); |
| 3739 | |
| 3740 | rc = tlv_match(data, data_len, tag, &value, &value_len); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3741 | OSMO_ASSERT(rc == (int)value_len + 2); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3742 | OSMO_ASSERT(value_len == exp_len); |
| 3743 | OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); |
| 3744 | } |
| 3745 | |
| 3746 | static void check_tv_fixed_match(uint8_t **data, size_t *data_len, |
| 3747 | uint8_t tag, size_t len, const uint8_t *exp_val) |
| 3748 | { |
| 3749 | uint8_t *value; |
| 3750 | int rc; |
| 3751 | |
| 3752 | rc = tv_fixed_match(data, data_len, tag ^ 1, len, NULL); |
| 3753 | OSMO_ASSERT(rc == 0); |
| 3754 | |
| 3755 | rc = tv_fixed_match(data, data_len, tag, len, &value); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3756 | OSMO_ASSERT(rc == (int)len + 1); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3757 | OSMO_ASSERT(memcmp(value, exp_val, len) == 0); |
| 3758 | } |
| 3759 | |
| 3760 | static void check_v_fixed_shift(uint8_t **data, size_t *data_len, |
| 3761 | size_t len, const uint8_t *exp_val) |
| 3762 | { |
| 3763 | uint8_t *value; |
| 3764 | int rc; |
| 3765 | |
| 3766 | rc = v_fixed_shift(data, data_len, len, &value); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3767 | OSMO_ASSERT(rc == (int)len); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3768 | OSMO_ASSERT(memcmp(value, exp_val, len) == 0); |
| 3769 | } |
| 3770 | |
| 3771 | static void check_lv_shift(uint8_t **data, size_t *data_len, |
| 3772 | size_t exp_len, const uint8_t *exp_val) |
| 3773 | { |
| 3774 | uint8_t *value; |
| 3775 | size_t value_len; |
| 3776 | int rc; |
| 3777 | |
| 3778 | rc = lv_shift(data, data_len, &value, &value_len); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3779 | OSMO_ASSERT(rc == (int)value_len + 1); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3780 | OSMO_ASSERT(value_len == exp_len); |
| 3781 | OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); |
| 3782 | } |
| 3783 | |
| 3784 | static void check_tlv_match_data_len(size_t data_len, uint8_t tag, size_t len, |
| 3785 | const uint8_t *test_data) |
| 3786 | { |
| 3787 | uint8_t buf[300] = {0}; |
| 3788 | |
| 3789 | uint8_t *unchanged_ptr = buf - 1; |
| 3790 | size_t unchanged_len = 0xdead; |
| 3791 | size_t tmp_data_len = data_len; |
| 3792 | uint8_t *value = unchanged_ptr; |
| 3793 | size_t value_len = unchanged_len; |
| 3794 | uint8_t *data = buf; |
| 3795 | |
| 3796 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 3797 | |
| 3798 | tlv_put(data, tag, len, test_data); |
| 3799 | if (data_len < len + 2) { |
| 3800 | OSMO_ASSERT(-1 == tlv_match(&data, &tmp_data_len, |
| 3801 | tag, &value, &value_len)); |
| 3802 | OSMO_ASSERT(tmp_data_len == 0); |
| 3803 | OSMO_ASSERT(data == buf + data_len); |
| 3804 | OSMO_ASSERT(value == unchanged_ptr); |
| 3805 | OSMO_ASSERT(value_len == unchanged_len); |
| 3806 | } else { |
| 3807 | OSMO_ASSERT(0 <= tlv_match(&data, &tmp_data_len, |
| 3808 | tag, &value, &value_len)); |
| 3809 | OSMO_ASSERT(value != unchanged_ptr); |
| 3810 | OSMO_ASSERT(value_len != unchanged_len); |
| 3811 | } |
| 3812 | } |
| 3813 | |
| 3814 | static void check_tv_fixed_match_data_len(size_t data_len, |
| 3815 | uint8_t tag, size_t len, |
| 3816 | const uint8_t *test_data) |
| 3817 | { |
| 3818 | uint8_t buf[300] = {0}; |
| 3819 | |
| 3820 | uint8_t *unchanged_ptr = buf - 1; |
| 3821 | size_t tmp_data_len = data_len; |
| 3822 | uint8_t *value = unchanged_ptr; |
| 3823 | uint8_t *data = buf; |
| 3824 | |
| 3825 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 3826 | |
| 3827 | tv_fixed_put(data, tag, len, test_data); |
| 3828 | |
| 3829 | if (data_len < len + 1) { |
| 3830 | OSMO_ASSERT(-1 == tv_fixed_match(&data, &tmp_data_len, |
| 3831 | tag, len, &value)); |
| 3832 | OSMO_ASSERT(tmp_data_len == 0); |
| 3833 | OSMO_ASSERT(data == buf + data_len); |
| 3834 | OSMO_ASSERT(value == unchanged_ptr); |
| 3835 | } else { |
| 3836 | OSMO_ASSERT(0 <= tv_fixed_match(&data, &tmp_data_len, |
| 3837 | tag, len, &value)); |
| 3838 | OSMO_ASSERT(value != unchanged_ptr); |
| 3839 | } |
| 3840 | } |
| 3841 | |
| 3842 | static void check_v_fixed_shift_data_len(size_t data_len, |
| 3843 | size_t len, const uint8_t *test_data) |
| 3844 | { |
| 3845 | uint8_t buf[300] = {0}; |
| 3846 | |
| 3847 | uint8_t *unchanged_ptr = buf - 1; |
| 3848 | size_t tmp_data_len = data_len; |
| 3849 | uint8_t *value = unchanged_ptr; |
| 3850 | uint8_t *data = buf; |
| 3851 | |
| 3852 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 3853 | |
| 3854 | memcpy(data, test_data, len); |
| 3855 | |
| 3856 | if (data_len < len) { |
| 3857 | OSMO_ASSERT(-1 == v_fixed_shift(&data, &tmp_data_len, |
| 3858 | len, &value)); |
| 3859 | OSMO_ASSERT(tmp_data_len == 0); |
| 3860 | OSMO_ASSERT(data == buf + data_len); |
| 3861 | OSMO_ASSERT(value == unchanged_ptr); |
| 3862 | } else { |
| 3863 | OSMO_ASSERT(0 <= v_fixed_shift(&data, &tmp_data_len, |
| 3864 | len, &value)); |
| 3865 | OSMO_ASSERT(value != unchanged_ptr); |
| 3866 | } |
| 3867 | } |
| 3868 | |
| 3869 | static void check_lv_shift_data_len(size_t data_len, |
| 3870 | size_t len, const uint8_t *test_data) |
| 3871 | { |
| 3872 | uint8_t buf[300] = {0}; |
| 3873 | |
| 3874 | uint8_t *unchanged_ptr = buf - 1; |
| 3875 | size_t unchanged_len = 0xdead; |
| 3876 | size_t tmp_data_len = data_len; |
| 3877 | uint8_t *value = unchanged_ptr; |
| 3878 | size_t value_len = unchanged_len; |
| 3879 | uint8_t *data = buf; |
| 3880 | |
| 3881 | lv_put(data, len, test_data); |
| 3882 | if (data_len < len + 1) { |
| 3883 | OSMO_ASSERT(-1 == lv_shift(&data, &tmp_data_len, |
| 3884 | &value, &value_len)); |
| 3885 | OSMO_ASSERT(tmp_data_len == 0); |
| 3886 | OSMO_ASSERT(data == buf + data_len); |
| 3887 | OSMO_ASSERT(value == unchanged_ptr); |
| 3888 | OSMO_ASSERT(value_len == unchanged_len); |
| 3889 | } else { |
| 3890 | OSMO_ASSERT(0 <= lv_shift(&data, &tmp_data_len, |
| 3891 | &value, &value_len)); |
| 3892 | OSMO_ASSERT(value != unchanged_ptr); |
| 3893 | OSMO_ASSERT(value_len != unchanged_len); |
| 3894 | } |
| 3895 | } |
| 3896 | |
| 3897 | static void test_tlv_shift_functions() |
| 3898 | { |
| 3899 | uint8_t test_data[1024]; |
| 3900 | uint8_t buf[1024]; |
| 3901 | uint8_t *data_end; |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3902 | unsigned i, len; |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3903 | uint8_t *data; |
| 3904 | size_t data_len; |
| 3905 | const uint8_t tag = 0x1a; |
| 3906 | |
| 3907 | printf("Test shift functions\n"); |
| 3908 | |
| 3909 | for (i = 0; i < ARRAY_SIZE(test_data); i++) |
| 3910 | test_data[i] = (uint8_t)i; |
| 3911 | |
| 3912 | for (len = 0; len < 256; len++) { |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3913 | const unsigned iterations = sizeof(buf) / (len + 2) / 4; |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3914 | |
| 3915 | memset(buf, 0xee, sizeof(buf)); |
| 3916 | data_end = data = buf; |
| 3917 | |
| 3918 | for (i = 0; i < iterations; i++) { |
| 3919 | data_end = tlv_put(data_end, tag, len, test_data); |
| 3920 | data_end = tv_fixed_put(data_end, tag, len, test_data); |
| 3921 | /* v_fixed_put */ |
| 3922 | memcpy(data_end, test_data, len); |
| 3923 | data_end += len; |
| 3924 | data_end = lv_put(data_end, len, test_data); |
| 3925 | } |
| 3926 | |
| 3927 | data_len = data_end - data; |
| 3928 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 3929 | |
| 3930 | for (i = 0; i < iterations; i++) { |
| 3931 | check_tlv_match(&data, &data_len, tag, len, test_data); |
| 3932 | check_tv_fixed_match(&data, &data_len, tag, len, test_data); |
| 3933 | check_v_fixed_shift(&data, &data_len, len, test_data); |
| 3934 | check_lv_shift(&data, &data_len, len, test_data); |
| 3935 | } |
| 3936 | |
| 3937 | OSMO_ASSERT(data == data_end); |
| 3938 | |
| 3939 | /* Test at end of data */ |
| 3940 | |
| 3941 | OSMO_ASSERT(-1 == tlv_match(&data, &data_len, tag, NULL, NULL)); |
| 3942 | OSMO_ASSERT(-1 == tv_fixed_match(&data, &data_len, tag, len, NULL)); |
| 3943 | OSMO_ASSERT((len ? -1 : 0) == v_fixed_shift(&data, &data_len, len, NULL)); |
| 3944 | OSMO_ASSERT(-1 == lv_shift(&data, &data_len, NULL, NULL)); |
| 3945 | |
| 3946 | /* Test invalid data_len */ |
| 3947 | for (data_len = 0; data_len <= len + 2 + 1; data_len += 1) { |
| 3948 | check_tlv_match_data_len(data_len, tag, len, test_data); |
| 3949 | check_tv_fixed_match_data_len(data_len, tag, len, test_data); |
| 3950 | check_v_fixed_shift_data_len(data_len, len, test_data); |
| 3951 | check_lv_shift_data_len(data_len, len, test_data); |
| 3952 | } |
| 3953 | } |
| 3954 | } |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3955 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3956 | struct gbproxy_link_info *register_tlli( |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3957 | struct gbproxy_peer *peer, uint32_t tlli, |
| 3958 | const uint8_t *imsi, size_t imsi_len, time_t now) |
| 3959 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3960 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 3961 | int imsi_matches = -1; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3962 | int tlli_already_known = 0; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 3963 | struct gbproxy_config *cfg = peer->cfg; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3964 | |
| 3965 | /* Check, whether the IMSI matches */ |
| 3966 | if (gprs_is_mi_imsi(imsi, imsi_len)) { |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 3967 | imsi_matches = gbproxy_check_imsi( |
| 3968 | &cfg->matches[GBPROX_MATCH_PATCHING], imsi, imsi_len); |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 3969 | if (imsi_matches < 0) |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3970 | return NULL; |
| 3971 | } |
| 3972 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3973 | link_info = gbproxy_link_info_by_tlli(peer, tlli); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3974 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3975 | if (!link_info) { |
| 3976 | link_info = gbproxy_link_info_by_imsi(peer, imsi, imsi_len); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3977 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3978 | if (link_info) { |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3979 | /* TLLI has changed somehow, adjust it */ |
| 3980 | LOGP(DGPRS, LOGL_INFO, |
| 3981 | "The TLLI has changed from %08x to %08x\n", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3982 | link_info->tlli.current, tlli); |
| 3983 | link_info->tlli.current = tlli; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3984 | } |
| 3985 | } |
| 3986 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3987 | if (!link_info) { |
| 3988 | link_info = gbproxy_link_info_alloc(peer); |
| 3989 | link_info->tlli.current = tlli; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3990 | } else { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3991 | gbproxy_detach_link_info(peer, link_info); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3992 | tlli_already_known = 1; |
| 3993 | } |
| 3994 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3995 | OSMO_ASSERT(link_info != NULL); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3996 | |
| 3997 | if (!tlli_already_known) |
| 3998 | LOGP(DGPRS, LOGL_INFO, "Adding TLLI %08x to list\n", tlli); |
| 3999 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4000 | gbproxy_attach_link_info(peer, now, link_info); |
| 4001 | gbproxy_update_link_info(link_info, imsi, imsi_len); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4002 | |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 4003 | if (imsi_matches >= 0) |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4004 | link_info->is_matching[GBPROX_MATCH_PATCHING] = imsi_matches; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4005 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4006 | return link_info; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4007 | } |
| 4008 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4009 | static void test_gbproxy_tlli_expire(void) |
| 4010 | { |
| 4011 | struct gbproxy_config cfg = {0}; |
| 4012 | struct gbproxy_peer *peer; |
| 4013 | const char *err_msg = NULL; |
| 4014 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI, 0x23, 0x24, 0x25, 0x26 }; |
| 4015 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI, 0x26, 0x27, 0x28, 0x29 }; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4016 | 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] | 4017 | const uint32_t tlli1 = 1234 | 0xc0000000; |
| 4018 | const uint32_t tlli2 = 5678 | 0xc0000000; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4019 | const uint32_t tlli3 = 3456 | 0xc0000000; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4020 | const char *filter_re = ".*"; |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4021 | time_t now = 1407479214; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4022 | |
| 4023 | printf("Test TLLI info expiry\n\n"); |
| 4024 | |
| 4025 | gbproxy_init_config(&cfg); |
| 4026 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4027 | if (gbproxy_set_patch_filter(&cfg.matches[GBPROX_MATCH_PATCHING], |
| 4028 | filter_re, &err_msg) != 0) { |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4029 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 4030 | err_msg); |
| 4031 | OSMO_ASSERT(err_msg == NULL); |
| 4032 | } |
| 4033 | |
| 4034 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4035 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4036 | |
| 4037 | printf("Test TLLI replacement:\n"); |
| 4038 | |
| 4039 | cfg.tlli_max_len = 0; |
| 4040 | cfg.tlli_max_age = 0; |
| 4041 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4042 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4043 | |
| 4044 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4045 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4046 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4047 | OSMO_ASSERT(link_info); |
| 4048 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4049 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4050 | |
| 4051 | /* replace the old entry */ |
| 4052 | printf(" Add TLLI 2, IMSI 1 (should replace TLLI 1)\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4053 | link_info = register_tlli(peer, tlli2, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4054 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4055 | OSMO_ASSERT(link_info); |
| 4056 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4057 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4058 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4059 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4060 | |
| 4061 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4062 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4063 | OSMO_ASSERT(link_info); |
| 4064 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
| 4065 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4066 | OSMO_ASSERT(!link_info); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4067 | |
| 4068 | printf("\n"); |
| 4069 | |
| 4070 | gbproxy_peer_free(peer); |
| 4071 | } |
| 4072 | |
| 4073 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4074 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4075 | |
| 4076 | printf("Test IMSI replacement:\n"); |
| 4077 | |
| 4078 | cfg.tlli_max_len = 0; |
| 4079 | cfg.tlli_max_age = 0; |
| 4080 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4081 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4082 | |
| 4083 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4084 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4085 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4086 | OSMO_ASSERT(link_info); |
| 4087 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4088 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4089 | |
| 4090 | /* try to replace the old entry */ |
| 4091 | printf(" Add TLLI 1, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4092 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4093 | imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4094 | OSMO_ASSERT(link_info); |
| 4095 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4096 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4097 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4098 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4099 | |
| 4100 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4101 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4102 | OSMO_ASSERT(!link_info); |
| 4103 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4104 | OSMO_ASSERT(link_info); |
| 4105 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4106 | |
| 4107 | printf("\n"); |
| 4108 | |
| 4109 | gbproxy_peer_free(peer); |
| 4110 | } |
| 4111 | |
| 4112 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4113 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4114 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4115 | |
| 4116 | printf("Test TLLI expiry, max_len == 1:\n"); |
| 4117 | |
| 4118 | cfg.tlli_max_len = 1; |
| 4119 | cfg.tlli_max_age = 0; |
| 4120 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4121 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4122 | |
| 4123 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4124 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4125 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4126 | |
| 4127 | /* replace the old entry */ |
| 4128 | printf(" Add TLLI 2, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4129 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4130 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4131 | |
Jacob Erlbeck | 51fde08 | 2014-09-19 16:40:21 +0200 | [diff] [blame] | 4132 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 2); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4133 | OSMO_ASSERT(num_removed == 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4134 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4135 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4136 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4137 | |
| 4138 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4139 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4140 | OSMO_ASSERT(!link_info); |
| 4141 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4142 | OSMO_ASSERT(link_info); |
| 4143 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4144 | |
| 4145 | printf("\n"); |
| 4146 | |
| 4147 | gbproxy_peer_free(peer); |
| 4148 | } |
| 4149 | |
| 4150 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4151 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4152 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4153 | |
| 4154 | printf("Test TLLI expiry, max_age == 1:\n"); |
| 4155 | |
| 4156 | cfg.tlli_max_len = 0; |
| 4157 | cfg.tlli_max_age = 1; |
| 4158 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4159 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4160 | |
| 4161 | printf(" Add TLLI 1, IMSI 1 (should expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4162 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4163 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4164 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4165 | printf(" Add TLLI 2, IMSI 2 (should not expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4166 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4167 | now + 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4168 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4169 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4170 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4171 | OSMO_ASSERT(num_removed == 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4172 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4173 | |
| 4174 | dump_peers(stdout, 2, now + 2, &cfg); |
| 4175 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4176 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4177 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4178 | OSMO_ASSERT(!link_info); |
| 4179 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4180 | OSMO_ASSERT(link_info); |
| 4181 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4182 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4183 | printf("\n"); |
| 4184 | |
| 4185 | gbproxy_peer_free(peer); |
| 4186 | } |
| 4187 | |
| 4188 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4189 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4190 | int num_removed; |
| 4191 | |
| 4192 | printf("Test TLLI expiry, max_len == 2, max_age == 1:\n"); |
| 4193 | |
| 4194 | cfg.tlli_max_len = 0; |
| 4195 | cfg.tlli_max_age = 1; |
| 4196 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4197 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4198 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4199 | printf(" Add TLLI 1, IMSI 1 (should expire)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4200 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4201 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4202 | |
| 4203 | printf(" Add TLLI 2, IMSI 2 (should expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4204 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4205 | now + 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4206 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4207 | |
| 4208 | printf(" Add TLLI 3, IMSI 3 (should not expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4209 | register_tlli(peer, tlli3, imsi3, ARRAY_SIZE(imsi3), |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4210 | now + 2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4211 | OSMO_ASSERT(peer->patch_state.logical_link_count == 3); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4212 | |
| 4213 | dump_peers(stdout, 2, now + 2, &cfg); |
| 4214 | |
| 4215 | printf(" Remove stale TLLIs\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4216 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 3); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4217 | OSMO_ASSERT(num_removed == 2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4218 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4219 | |
| 4220 | dump_peers(stdout, 2, now + 2, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4221 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4222 | /* verify that tlli3 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4223 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4224 | OSMO_ASSERT(!link_info); |
| 4225 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4226 | OSMO_ASSERT(!link_info); |
| 4227 | link_info = gbproxy_link_info_by_imsi(peer, imsi3, ARRAY_SIZE(imsi3)); |
| 4228 | OSMO_ASSERT(link_info); |
| 4229 | OSMO_ASSERT(link_info->tlli.current == tlli3); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4230 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4231 | printf("\n"); |
| 4232 | |
| 4233 | gbproxy_peer_free(peer); |
| 4234 | } |
Jacob Erlbeck | 9ccc41e | 2014-09-25 11:21:34 +0200 | [diff] [blame] | 4235 | gbproxy_clear_patch_filter(&cfg.matches[GBPROX_MATCH_PATCHING]); |
| 4236 | gbprox_reset(&cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4237 | } |
| 4238 | |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4239 | static void test_gbproxy_imsi_matching(void) |
| 4240 | { |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4241 | const char *err_msg = NULL; |
| 4242 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI | 0x10, 0x32, 0x54, 0xf6 }; |
| 4243 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 4244 | const uint8_t imsi3_bad[] = { GSM_MI_TYPE_IMSI | 0x10, 0xee, 0x54, 0xff }; |
| 4245 | const uint8_t tmsi1[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22, 0x33, 0x44 }; |
| 4246 | const uint8_t tmsi2_bad[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22 }; |
| 4247 | const uint8_t imei1[] = { GSM_MI_TYPE_IMEI | 0x10, 0x32, 0x54, 0xf6 }; |
| 4248 | const uint8_t imei2[] = { GSM_MI_TYPE_IMEI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 4249 | const char *filter_re1 = ".*"; |
| 4250 | const char *filter_re2 = "^1234"; |
| 4251 | const char *filter_re3 = "^4321"; |
| 4252 | const char *filter_re4_bad = "^12["; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4253 | struct gbproxy_match match = {0,}; |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4254 | |
| 4255 | printf("=== Test IMSI/TMSI matching ===\n\n"); |
| 4256 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4257 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4258 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4259 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re1, &err_msg) == 0); |
| 4260 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4261 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4262 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4263 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4264 | |
| 4265 | err_msg = NULL; |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4266 | 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] | 4267 | OSMO_ASSERT(err_msg != NULL); |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4268 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4269 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4270 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4271 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4272 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4273 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, NULL, &err_msg) == 0); |
| 4274 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4275 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4276 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4277 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 4278 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4279 | gbproxy_clear_patch_filter(&match); |
| 4280 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 4281 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4282 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re2, &err_msg) == 0); |
| 4283 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4284 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4285 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi1, ARRAY_SIZE(imsi1)) == 1); |
| 4286 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi2, ARRAY_SIZE(imsi2)) == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4287 | /* imsi3_bad contains 0xE and 0xF digits, but the conversion function |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4288 | * doesn't complain, so gbproxy_check_imsi() doesn't return -1 in this |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4289 | * case. */ |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4290 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == 0); |
| 4291 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 4292 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 4293 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei1, ARRAY_SIZE(imei1)) == -1); |
| 4294 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4295 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4296 | OSMO_ASSERT(gbproxy_set_patch_filter(&match, filter_re3, &err_msg) == 0); |
| 4297 | OSMO_ASSERT(match.enable == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4298 | |
Jacob Erlbeck | 9a83d7a | 2014-09-25 11:17:31 +0200 | [diff] [blame] | 4299 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi1, ARRAY_SIZE(imsi1)) == 0); |
| 4300 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi2, ARRAY_SIZE(imsi2)) == 0); |
| 4301 | OSMO_ASSERT(gbproxy_check_imsi(&match, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == 0); |
| 4302 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 4303 | OSMO_ASSERT(gbproxy_check_imsi(&match, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 4304 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei1, ARRAY_SIZE(imei1)) == -1); |
| 4305 | OSMO_ASSERT(gbproxy_check_imsi(&match, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4306 | |
| 4307 | /* TODO: Check correct length but wrong type with is_mi_tmsi */ |
Jacob Erlbeck | 9ccc41e | 2014-09-25 11:21:34 +0200 | [diff] [blame] | 4308 | |
| 4309 | gbproxy_clear_patch_filter(&match); |
| 4310 | OSMO_ASSERT(match.enable == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4311 | } |
| 4312 | |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4313 | static struct log_info_cat gprs_categories[] = { |
| 4314 | [DGPRS] = { |
| 4315 | .name = "DGPRS", |
| 4316 | .description = "GPRS Packet Service", |
| 4317 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 4318 | }, |
| 4319 | [DNS] = { |
| 4320 | .name = "DNS", |
| 4321 | .description = "GPRS Network Service (NS)", |
| 4322 | .enabled = 1, .loglevel = LOGL_INFO, |
| 4323 | }, |
| 4324 | [DBSSGP] = { |
| 4325 | .name = "DBSSGP", |
| 4326 | .description = "GPRS BSS Gateway Protocol (BSSGP)", |
| 4327 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 4328 | }, |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4329 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4330 | |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4331 | static struct log_info info = { |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4332 | .cat = gprs_categories, |
| 4333 | .num_cat = ARRAY_SIZE(gprs_categories), |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4334 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4335 | |
| 4336 | int main(int argc, char **argv) |
| 4337 | { |
| 4338 | osmo_init_logging(&info); |
| 4339 | log_set_use_color(osmo_stderr_target, 0); |
| 4340 | log_set_print_filename(osmo_stderr_target, 0); |
Holger Hans Peter Freyther | eece6277 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 4341 | osmo_signal_register_handler(SS_L_NS, &test_signal, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4342 | |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4343 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4344 | log_set_log_level(osmo_stderr_target, LOGL_DEBUG); |
| 4345 | log_set_all_filter(osmo_stderr_target, 1); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4346 | |
| 4347 | rate_ctr_init(NULL); |
| 4348 | |
| 4349 | setlinebuf(stdout); |
| 4350 | |
| 4351 | printf("===== GbProxy test START\n"); |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 4352 | gbproxy_init_config(&gbcfg); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 4353 | test_tlv_shift_functions(); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4354 | test_gbproxy(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4355 | test_gbproxy_ident_changes(); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4356 | test_gbproxy_imsi_matching(); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 4357 | test_gbproxy_ptmsi_assignment(); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 4358 | test_gbproxy_ra_patching(); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 4359 | test_gbproxy_ptmsi_patching(); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 4360 | test_gbproxy_imsi_acquisition(); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 4361 | test_gbproxy_secondary_sgsn(); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4362 | test_gbproxy_keep_info(); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4363 | test_gbproxy_tlli_expire(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4364 | printf("===== GbProxy test END\n\n"); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4365 | |
| 4366 | exit(EXIT_SUCCESS); |
| 4367 | } |