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 | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 132 | llist_for_each(iter, &link_info->stored_msgs) |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 133 | stored_msgs++; |
| 134 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 135 | if (link_info->imsi_len > 0) { |
Jacob Erlbeck | 89d3d34 | 2014-08-06 18:55:15 +0200 | [diff] [blame] | 136 | snprintf(mi_buf, sizeof(mi_buf), "(invalid)"); |
| 137 | gsm48_mi_to_string(mi_buf, sizeof(mi_buf), |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 138 | link_info->imsi, |
| 139 | link_info->imsi_len); |
Jacob Erlbeck | 89d3d34 | 2014-08-06 18:55:15 +0200 | [diff] [blame] | 140 | } else { |
| 141 | snprintf(mi_buf, sizeof(mi_buf), "(none)"); |
| 142 | } |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 143 | fprintf(stream, "%*s TLLI %08x", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 144 | indent, "", link_info->tlli.current); |
| 145 | if (link_info->tlli.assigned) |
| 146 | fprintf(stream, "/%08x", link_info->tlli.assigned); |
| 147 | if (link_info->sgsn_tlli.current) { |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 148 | fprintf(stream, " -> %08x", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 149 | link_info->sgsn_tlli.current); |
| 150 | if (link_info->sgsn_tlli.assigned) |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 151 | fprintf(stream, "/%08x", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 152 | link_info->sgsn_tlli.assigned); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 153 | } |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 154 | fprintf(stream, ", IMSI %s, AGE %d", |
| 155 | mi_buf, (int)age); |
| 156 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 157 | if (stored_msgs) |
| 158 | fprintf(stream, ", STORED %d", stored_msgs); |
| 159 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 160 | if (cfg->check_imsi && link_info->imsi_matches) |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 161 | fprintf(stream, ", IMSI matches"); |
| 162 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 163 | if (link_info->imsi_acq_pending) |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 164 | fprintf(stream, ", IMSI acquisition in progress"); |
| 165 | |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 166 | if (cfg->route_to_sgsn2) |
| 167 | fprintf(stream, ", SGSN NSEI %d", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 168 | link_info->sgsn_nsei); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 169 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 170 | if (link_info->is_deregistered) |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 171 | fprintf(stream, ", DE-REGISTERED"); |
| 172 | |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 173 | rc = fprintf(stream, "\n"); |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 174 | if (rc < 0) |
| 175 | return rc; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | return 0; |
| 180 | } |
| 181 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 182 | const uint8_t *convert_ra(struct gprs_ra_id *raid) |
| 183 | { |
| 184 | static uint8_t buf[6]; |
| 185 | gsm48_construct_ra(buf, raid); |
| 186 | return buf; |
| 187 | } |
| 188 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 189 | /* DTAP - Attach Request */ |
| 190 | static const unsigned char dtap_attach_req[] = { |
| 191 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 192 | 0x05, 0xf4, 0xfb, 0xc5, 0x46, 0x79, 0x11, 0x22, |
| 193 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 194 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 195 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 196 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 197 | }; |
| 198 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 199 | /* DTAP - Attach Request (invalid RAI) */ |
| 200 | static const unsigned char dtap_attach_req2[] = { |
| 201 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 202 | 0x05, 0xf4, 0xfb, 0x00, 0xbe, 0xef, 0x99, 0x99, |
| 203 | 0x99, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 204 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 205 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 206 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 207 | }; |
| 208 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 209 | /* DTAP - Attach Request (P-TMSI 0x3f32b700) */ |
| 210 | static const unsigned char dtap_attach_req3[] = { |
| 211 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 212 | 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x11, 0x22, |
| 213 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 214 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 215 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 216 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 217 | }; |
| 218 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 219 | /* DTAP - Identity Request */ |
| 220 | static const unsigned char dtap_identity_req[] = { |
| 221 | 0x08, 0x15, 0x01 |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 222 | }; |
| 223 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 224 | /* DTAP - Identity Response */ |
| 225 | static const unsigned char dtap_identity_resp[] = { |
| 226 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x13, 0x14, 0x15, |
| 227 | 0x16, 0x17, 0x18 |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 228 | }; |
| 229 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 230 | /* DTAP - Identity Response, IMSI 2 */ |
| 231 | static const unsigned char dtap_identity2_resp[] = { |
| 232 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x99, 0x99, 0x99, |
| 233 | 0x16, 0x17, 0x18 |
| 234 | }; |
| 235 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 236 | /* DTAP - Identity Response, IMSI 3 */ |
| 237 | static const unsigned char dtap_identity3_resp[] = { |
| 238 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x99, 0x99, 0x99, |
| 239 | 0x26, 0x27, 0x28 |
| 240 | }; |
| 241 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 242 | /* DTAP - Attach Accept */ |
| 243 | static const unsigned char dtap_attach_acc[] = { |
| 244 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 245 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 246 | 0x16, 0x18, 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 247 | }; |
| 248 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 249 | /* DTAP - Attach Accept, P-TMSI 2 */ |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 250 | static const unsigned char dtap_attach_acc2[] = { |
| 251 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 252 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 253 | 0x16, 0x18, 0x05, 0xf4, 0xe0, 0x98, 0x76, 0x54 |
| 254 | }; |
| 255 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 256 | /* DTAP - Attach Complete */ |
| 257 | static const unsigned char dtap_attach_complete[] = { |
| 258 | 0x08, 0x03 |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 259 | }; |
| 260 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 261 | /* DTAP - Attach Reject (GPRS services not allowed) */ |
| 262 | static const unsigned char dtap_attach_rej7[] = { |
| 263 | 0x08, 0x04, 0x07 |
| 264 | }; |
| 265 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 266 | /* DTAP - GMM Information */ |
| 267 | static const unsigned char dtap_gmm_information[] = { |
| 268 | 0x08, 0x21 |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 269 | }; |
| 270 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 271 | /* DTAP - Routing Area Update Request */ |
| 272 | static const unsigned char dtap_ra_upd_req[] = { |
| 273 | 0x08, 0x08, 0x10, 0x11, 0x22, 0x33, 0x40, 0x50, |
| 274 | 0x60, 0x1d, 0x19, 0x13, 0x42, 0x33, 0x57, 0x2b, |
| 275 | 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, 0x50, 0xc8, |
| 276 | 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, 0x48, 0x02, |
| 277 | 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, 0x00, 0x19, |
| 278 | 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, 0x07, 0x04, |
| 279 | 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, 0x20, 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 280 | }; |
| 281 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 282 | /* DTAP - Routing Area Update Accept */ |
| 283 | static const unsigned char dtap_ra_upd_acc[] = { |
| 284 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 285 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 286 | 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x17, 0x16, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 287 | }; |
| 288 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 289 | /* DTAP - Routing Area Update Accept, P-TMSI 2 */ |
| 290 | static const unsigned char dtap_ra_upd_acc2[] = { |
| 291 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 292 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 293 | 0x05, 0xf4, 0xe0, 0x98, 0x76, 0x54, 0x17, 0x16, |
| 294 | }; |
| 295 | |
| 296 | /* DTAP - Routing Area Update Accept, P-TMSI 3 */ |
| 297 | static const unsigned char dtap_ra_upd_acc3[] = { |
| 298 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 299 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 300 | 0x05, 0xf4, 0xe0, 0x54, 0x32, 0x10, 0x17, 0x16, |
| 301 | }; |
| 302 | |
| 303 | /* DTAP - Routing Area Update Complete */ |
| 304 | static const unsigned char dtap_ra_upd_complete[] = { |
| 305 | 0x08, 0x0a |
| 306 | }; |
| 307 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 308 | /* DTAP - Routing Area Update Reject */ |
| 309 | /* cause = 10 ("Implicitly detached"), force_standby = 0 */ |
| 310 | static const unsigned char dtap_ra_upd_rej[] = { |
| 311 | 0x08, 0x0b, 0x0a, 0x00, |
| 312 | }; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 313 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 314 | /* DTAP - Activate PDP Context Request */ |
| 315 | static const unsigned char dtap_act_pdp_ctx_req[] = { |
| 316 | 0x0a, 0x41, 0x05, 0x03, 0x0c, 0x00, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 317 | 0x00, 0x1f, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 318 | 0x00, 0x00, 0x00, 0x02, 0x01, 0x21, 0x28, 0x03, |
| 319 | 0x02, 0x61, 0x62, 0x27, 0x14, 0x80, 0x80, 0x21, |
| 320 | 0x10, 0x01, 0x00, 0x00, 0x10, 0x81, 0x06, 0x00, |
| 321 | 0x00, 0x00, 0x00, 0x83, 0x06, 0x00, 0x00, 0x00, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 322 | 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 323 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 324 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 325 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 326 | /* normal detach, power_off = 1 */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 327 | static const unsigned char dtap_detach_po_req[] = { |
| 328 | 0x08, 0x05, 0x09, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 329 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 330 | }; |
| 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 = 0 */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 334 | static const unsigned char dtap_detach_req[] = { |
| 335 | 0x08, 0x05, 0x01, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 336 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 337 | }; |
| 338 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 339 | /* DTAP - Detach Accept (MO) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 340 | static const unsigned char dtap_detach_acc[] = { |
| 341 | 0x08, 0x06, 0x00 |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 342 | }; |
| 343 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 344 | /* DTAP - Detach Request (MT) */ |
| 345 | /* normal detach, reattach required, implicitly detached */ |
| 346 | static const unsigned char dtap_mt_detach_rea_req[] = { |
| 347 | 0x08, 0x05, 0x01, 0x25, 0x0a |
| 348 | }; |
| 349 | |
| 350 | /* DTAP - Detach Request (MT) */ |
| 351 | /* normal detach, reattach not required, implicitly detached */ |
| 352 | static const unsigned char dtap_mt_detach_req[] = { |
| 353 | 0x08, 0x05, 0x02, 0x25, 0x0a |
| 354 | }; |
| 355 | |
| 356 | /* DTAP - Detach Accept (MT) */ |
| 357 | static const unsigned char dtap_mt_detach_acc[] = { |
| 358 | 0x08, 0x06 |
| 359 | }; |
| 360 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 361 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 362 | static const unsigned char llc_u_xid_ul[] = { |
| 363 | 0x41, 0xfb, 0x01, 0x00, 0x0e, 0x00, 0x64, 0x11, |
| 364 | 0x05, 0x16, 0x01, 0x90, 0x66, 0xb3, 0x28 |
| 365 | }; |
| 366 | |
| 367 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 368 | static const unsigned char llc_u_xid_dl[] = { |
| 369 | 0x41, 0xfb, 0x30, 0x84, 0x10, 0x61, 0xb6, 0x64, |
| 370 | 0xe4, 0xa9, 0x1a, 0x9e |
| 371 | }; |
| 372 | |
| 373 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 374 | static const unsigned char llc_ui_ll11_dns_query_ul[] = { |
| 375 | 0x0b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 376 | 0x00, 0x00, 0x38, 0x95, 0x72, 0x00, 0x00, 0x45, |
| 377 | 0x11, 0x20, 0x85, 0x0a, 0xc0, 0x07, 0xe4, 0xac, |
| 378 | 0x10, 0x01, 0x0a, 0xad, 0xab, 0x00, 0x35, 0x00, |
| 379 | 0x24, 0x0e, 0x1c, 0x3b, 0xe0, 0x01, 0x00, 0x00, |
| 380 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 381 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 382 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0x47, |
| 383 | 0x8f, 0x07 |
| 384 | }; |
| 385 | |
| 386 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 387 | static const unsigned char llc_ui_ll11_dns_resp_dl[] = { |
| 388 | 0x4b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 389 | 0x00, 0x00, 0xc6, 0x00, 0x00, 0x40, 0x00, 0x3e, |
| 390 | 0x11, 0x7c, 0x69, 0xac, 0x10, 0x01, 0x0a, 0x0a, |
| 391 | 0xc0, 0x07, 0xe4, 0x00, 0x35, 0xad, 0xab, 0x00, |
| 392 | 0xb2, 0x74, 0x4e, 0x3b, 0xe0, 0x81, 0x80, 0x00, |
| 393 | 0x01, 0x00, 0x01, 0x00, 0x05, 0x00, 0x00, 0x01, |
| 394 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 395 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0xc0, |
| 396 | 0x0c, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 397 | 0x10, 0x00, 0x04, 0xc1, 0x63, 0x90, 0x58, 0xc0, |
| 398 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 399 | 0x10, 0x00, 0x16, 0x03, 0x6e, 0x73, 0x32, 0x0c, |
| 400 | 0x70, 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, |
| 401 | 0x6f, 0x76, 0x65, 0x72, 0x03, 0x6e, 0x65, 0x74, |
| 402 | 0x00, 0xc0, 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, |
| 403 | 0x00, 0x0e, 0x10, 0x00, 0x10, 0x02, 0x6e, 0x73, |
| 404 | 0x01, 0x73, 0x08, 0x70, 0x6c, 0x75, 0x73, 0x6c, |
| 405 | 0x69, 0x6e, 0x65, 0xc0, 0x14, 0xc0, 0x0e, 0x00, |
| 406 | 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, 0x00, |
| 407 | 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x0e, 0xc0, 0x0e, |
| 408 | 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, |
| 409 | 0x00, 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x5f, 0xc0, |
| 410 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 411 | 0x10, 0x00, 0x12, 0x02, 0x6e, 0x73, 0x0c, 0x70, |
| 412 | 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, 0x6f, |
| 413 | 0x76, 0x65, 0x72, 0xc0, 0x14, 0xaa, 0xdf, 0x31 |
| 414 | }; |
| 415 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 416 | static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, |
| 417 | struct sockaddr_in *peer, const unsigned char* data, |
| 418 | size_t data_len); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 419 | |
| 420 | static void send_ns_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 421 | enum ns_cause cause, uint16_t nsvci, uint16_t nsei) |
| 422 | { |
| 423 | /* GPRS Network Service, PDU type: NS_RESET, |
| 424 | */ |
| 425 | unsigned char msg[12] = { |
| 426 | 0x02, 0x00, 0x81, 0x01, 0x01, 0x82, 0x11, 0x22, |
| 427 | 0x04, 0x82, 0x11, 0x22 |
| 428 | }; |
| 429 | |
| 430 | msg[3] = cause; |
| 431 | msg[6] = nsvci / 256; |
| 432 | msg[7] = nsvci % 256; |
| 433 | msg[10] = nsei / 256; |
| 434 | msg[11] = nsei % 256; |
| 435 | |
| 436 | gprs_process_message(nsi, "RESET", src_addr, msg, sizeof(msg)); |
| 437 | } |
| 438 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 439 | static void send_ns_reset_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 440 | uint16_t nsvci, uint16_t nsei) |
| 441 | { |
| 442 | /* GPRS Network Service, PDU type: NS_RESET_ACK, |
| 443 | */ |
| 444 | unsigned char msg[9] = { |
| 445 | 0x03, 0x01, 0x82, 0x11, 0x22, |
| 446 | 0x04, 0x82, 0x11, 0x22 |
| 447 | }; |
| 448 | |
| 449 | msg[3] = nsvci / 256; |
| 450 | msg[4] = nsvci % 256; |
| 451 | msg[7] = nsei / 256; |
| 452 | msg[8] = nsei % 256; |
| 453 | |
| 454 | gprs_process_message(nsi, "RESET_ACK", src_addr, msg, sizeof(msg)); |
| 455 | } |
| 456 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 457 | static void send_ns_alive(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 458 | { |
| 459 | /* GPRS Network Service, PDU type: NS_ALIVE */ |
| 460 | unsigned char msg[1] = { |
| 461 | 0x0a |
| 462 | }; |
| 463 | |
| 464 | gprs_process_message(nsi, "ALIVE", src_addr, msg, sizeof(msg)); |
| 465 | } |
| 466 | |
| 467 | static void send_ns_alive_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 468 | { |
| 469 | /* GPRS Network Service, PDU type: NS_ALIVE_ACK */ |
| 470 | unsigned char msg[1] = { |
| 471 | 0x0b |
| 472 | }; |
| 473 | |
| 474 | gprs_process_message(nsi, "ALIVE_ACK", src_addr, msg, sizeof(msg)); |
| 475 | } |
| 476 | |
| 477 | static void send_ns_unblock(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 478 | { |
| 479 | /* GPRS Network Service, PDU type: NS_UNBLOCK */ |
| 480 | unsigned char msg[1] = { |
| 481 | 0x06 |
| 482 | }; |
| 483 | |
| 484 | gprs_process_message(nsi, "UNBLOCK", src_addr, msg, sizeof(msg)); |
| 485 | } |
| 486 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 487 | static void send_ns_unblock_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 488 | { |
| 489 | /* GPRS Network Service, PDU type: NS_UNBLOCK_ACK */ |
| 490 | unsigned char msg[1] = { |
| 491 | 0x07 |
| 492 | }; |
| 493 | |
| 494 | gprs_process_message(nsi, "UNBLOCK_ACK", src_addr, msg, sizeof(msg)); |
| 495 | } |
| 496 | |
| 497 | static void send_ns_unitdata(struct gprs_ns_inst *nsi, const char *text, |
| 498 | struct sockaddr_in *src_addr, uint16_t nsbvci, |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 499 | const unsigned char *bssgp_msg, size_t bssgp_msg_size) |
| 500 | { |
| 501 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 502 | unsigned char msg[4096] = { |
| 503 | 0x00, 0x00, 0x00, 0x00 |
| 504 | }; |
| 505 | |
| 506 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg) - 4); |
| 507 | |
| 508 | msg[2] = nsbvci / 256; |
| 509 | msg[3] = nsbvci % 256; |
| 510 | memcpy(msg + 4, bssgp_msg, bssgp_msg_size); |
| 511 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 512 | 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] | 513 | } |
| 514 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 515 | static void send_bssgp_ul_unitdata( |
| 516 | struct gprs_ns_inst *nsi, const char *text, |
| 517 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 518 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 519 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 520 | { |
| 521 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 522 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 523 | unsigned char msg[4096] = { |
| 524 | 0x01, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, |
| 525 | 0x08, 0x88, /* RAI */ 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 526 | /* CELL ID */ 0x00, 0x00, 0x00, 0x80, 0x0e, /* LLC LEN */ 0x00, 0x00, |
| 527 | }; |
| 528 | |
| 529 | size_t bssgp_msg_size = 23 + llc_msg_size; |
| 530 | |
| 531 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg)); |
| 532 | |
| 533 | gsm48_construct_ra(msg + 10, raid); |
| 534 | msg[1] = (uint8_t)(tlli >> 24); |
| 535 | msg[2] = (uint8_t)(tlli >> 16); |
| 536 | msg[3] = (uint8_t)(tlli >> 8); |
| 537 | msg[4] = (uint8_t)(tlli >> 0); |
| 538 | msg[16] = cell_id / 256; |
| 539 | msg[17] = cell_id % 256; |
| 540 | msg[21] = llc_msg_size / 256; |
| 541 | msg[22] = llc_msg_size % 256; |
| 542 | memcpy(msg + 23, llc_msg, llc_msg_size); |
| 543 | |
| 544 | send_ns_unitdata(nsi, text ? text : "BSSGP UL UNITDATA", |
| 545 | src_addr, nsbvci, msg, bssgp_msg_size); |
| 546 | } |
| 547 | |
| 548 | static void send_bssgp_dl_unitdata( |
| 549 | struct gprs_ns_inst *nsi, const char *text, |
| 550 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 551 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 552 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 553 | { |
| 554 | /* Base Station Subsystem GPRS Protocol: DL_UNITDATA */ |
| 555 | unsigned char msg[4096] = { |
| 556 | 0x00, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x20, |
| 557 | 0x16, 0x82, 0x02, 0x58, |
| 558 | }; |
| 559 | unsigned char racap_drx[] = { |
| 560 | 0x13, 0x99, 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, |
| 561 | 0x62, 0x00, 0x60, 0x80, 0x9a, 0xc2, 0xc6, 0x62, |
| 562 | 0x00, 0x60, 0x80, 0xba, 0xc8, 0xc6, 0x62, 0x00, |
| 563 | 0x60, 0x80, 0x00, 0x0a, 0x82, 0x08, 0x02 |
| 564 | }; |
| 565 | |
| 566 | size_t bssgp_msg_size = 0; |
| 567 | |
| 568 | OSMO_ASSERT(51 + imsi_size + llc_msg_size <= sizeof(msg)); |
| 569 | |
| 570 | msg[1] = (uint8_t)(tlli >> 24); |
| 571 | msg[2] = (uint8_t)(tlli >> 16); |
| 572 | msg[3] = (uint8_t)(tlli >> 8); |
| 573 | msg[4] = (uint8_t)(tlli >> 0); |
| 574 | |
| 575 | bssgp_msg_size = 12; |
| 576 | |
| 577 | if (with_racap_drx) { |
| 578 | memcpy(msg + bssgp_msg_size, racap_drx, sizeof(racap_drx)); |
| 579 | bssgp_msg_size += sizeof(racap_drx); |
| 580 | } |
| 581 | |
| 582 | if (imsi) { |
| 583 | OSMO_ASSERT(imsi_size <= 127); |
| 584 | msg[bssgp_msg_size] = BSSGP_IE_IMSI; |
| 585 | msg[bssgp_msg_size + 1] = 0x80 | imsi_size; |
| 586 | memcpy(msg + bssgp_msg_size + 2, imsi, imsi_size); |
| 587 | bssgp_msg_size += 2 + imsi_size; |
| 588 | } |
| 589 | |
| 590 | if ((bssgp_msg_size % 4) != 0) { |
| 591 | size_t abytes = (4 - (bssgp_msg_size + 2) % 4) % 4; |
| 592 | msg[bssgp_msg_size] = BSSGP_IE_ALIGNMENT; |
| 593 | msg[bssgp_msg_size + 1] = 0x80 | abytes; |
| 594 | memset(msg + bssgp_msg_size + 2, 0, abytes); |
| 595 | bssgp_msg_size += 2 + abytes; |
| 596 | } |
| 597 | |
| 598 | msg[bssgp_msg_size] = BSSGP_IE_LLC_PDU; |
| 599 | if (llc_msg_size < 128) { |
| 600 | msg[bssgp_msg_size + 1] = 0x80 | llc_msg_size; |
| 601 | bssgp_msg_size += 2; |
| 602 | } else { |
| 603 | msg[bssgp_msg_size + 1] = llc_msg_size / 256; |
| 604 | msg[bssgp_msg_size + 2] = llc_msg_size % 256; |
| 605 | bssgp_msg_size += 3; |
| 606 | } |
| 607 | memcpy(msg + bssgp_msg_size, llc_msg, llc_msg_size); |
| 608 | bssgp_msg_size += llc_msg_size; |
| 609 | |
| 610 | |
| 611 | send_ns_unitdata(nsi, text ? text : "BSSGP DL UNITDATA", |
| 612 | src_addr, nsbvci, msg, bssgp_msg_size); |
| 613 | } |
| 614 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 615 | static void send_bssgp_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 616 | uint16_t bvci) |
| 617 | { |
| 618 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 619 | * BSSGP RESET */ |
Jacob Erlbeck | da4b492 | 2014-08-06 12:38:10 +0200 | [diff] [blame] | 620 | unsigned char msg[18] = { |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 621 | 0x22, 0x04, 0x82, 0x4a, |
Jacob Erlbeck | def0391 | 2014-06-02 10:48:59 +0200 | [diff] [blame] | 622 | 0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x11, 0x22, |
| 623 | 0x33, 0x40, 0x50, 0x60, 0x10, 0x00 |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 624 | }; |
| 625 | |
| 626 | msg[3] = bvci / 256; |
| 627 | msg[4] = bvci % 256; |
| 628 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 629 | send_ns_unitdata(nsi, "BVC_RESET", src_addr, 0, msg, sizeof(msg)); |
| 630 | } |
| 631 | |
| 632 | static void send_bssgp_reset_ack(struct gprs_ns_inst *nsi, |
| 633 | struct sockaddr_in *src_addr, uint16_t bvci) |
| 634 | { |
| 635 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 636 | * BSSGP RESET_ACK */ |
| 637 | static unsigned char msg[5] = { |
| 638 | 0x23, 0x04, 0x82, 0x00, |
| 639 | 0x00 |
| 640 | }; |
| 641 | |
| 642 | msg[3] = bvci / 256; |
| 643 | msg[4] = bvci % 256; |
| 644 | |
| 645 | 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] | 646 | } |
| 647 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 648 | static void send_bssgp_suspend(struct gprs_ns_inst *nsi, |
| 649 | struct sockaddr_in *src_addr, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 650 | uint32_t tlli, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 651 | struct gprs_ra_id *raid) |
| 652 | { |
| 653 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 654 | unsigned char msg[15] = { |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 655 | 0x0b, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 656 | 0x86, /* RAI */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 657 | }; |
| 658 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 659 | msg[3] = (uint8_t)(tlli >> 24); |
| 660 | msg[4] = (uint8_t)(tlli >> 16); |
| 661 | msg[5] = (uint8_t)(tlli >> 8); |
| 662 | msg[6] = (uint8_t)(tlli >> 0); |
| 663 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 664 | gsm48_construct_ra(msg + 9, raid); |
| 665 | |
| 666 | send_ns_unitdata(nsi, "BVC_SUSPEND", src_addr, 0, msg, sizeof(msg)); |
| 667 | } |
| 668 | |
| 669 | static void send_bssgp_suspend_ack(struct gprs_ns_inst *nsi, |
| 670 | struct sockaddr_in *src_addr, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 671 | uint32_t tlli, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 672 | struct gprs_ra_id *raid) |
| 673 | { |
| 674 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND ACK */ |
| 675 | unsigned char msg[18] = { |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 676 | 0x0c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 677 | 0x86, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1d, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 678 | 0x81, 0x01 |
| 679 | }; |
| 680 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 681 | msg[3] = (uint8_t)(tlli >> 24); |
| 682 | msg[4] = (uint8_t)(tlli >> 16); |
| 683 | msg[5] = (uint8_t)(tlli >> 8); |
| 684 | msg[6] = (uint8_t)(tlli >> 0); |
| 685 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 686 | gsm48_construct_ra(msg + 9, raid); |
| 687 | |
| 688 | send_ns_unitdata(nsi, "BVC_SUSPEND_ACK", src_addr, 0, msg, sizeof(msg)); |
| 689 | } |
| 690 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 691 | static void send_bssgp_llc_discarded(struct gprs_ns_inst *nsi, |
| 692 | struct sockaddr_in *src_addr, |
| 693 | uint16_t bvci, uint32_t tlli, |
| 694 | unsigned n_frames, unsigned n_octets) |
| 695 | { |
| 696 | /* Base Station Subsystem GPRS Protocol: LLC-DISCARDED (0x2c) */ |
| 697 | unsigned char msg[] = { |
| 698 | 0x2c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x0f, |
| 699 | 0x81, /* n frames */ 0xff, 0x04, 0x82, /* BVCI */ 0xff, 0xff, 0x25, 0x83, |
| 700 | /* n octets */ 0xff, 0xff, 0xff |
| 701 | }; |
| 702 | |
| 703 | msg[3] = (uint8_t)(tlli >> 24); |
| 704 | msg[4] = (uint8_t)(tlli >> 16); |
| 705 | msg[5] = (uint8_t)(tlli >> 8); |
| 706 | msg[6] = (uint8_t)(tlli >> 0); |
| 707 | msg[9] = (uint8_t)(n_frames); |
| 708 | msg[12] = (uint8_t)(bvci >> 8); |
| 709 | msg[13] = (uint8_t)(bvci >> 0); |
| 710 | msg[16] = (uint8_t)(n_octets >> 16); |
| 711 | msg[17] = (uint8_t)(n_octets >> 8); |
| 712 | msg[18] = (uint8_t)(n_octets >> 0); |
| 713 | |
| 714 | send_ns_unitdata(nsi, "LLC_DISCARDED", src_addr, 0, msg, sizeof(msg)); |
| 715 | } |
| 716 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 717 | static void send_bssgp_flow_control_bvc(struct gprs_ns_inst *nsi, |
| 718 | struct sockaddr_in *src_addr, |
| 719 | uint16_t bvci, uint8_t tag) |
| 720 | { |
| 721 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 722 | * BSSGP FLOW_CONTROL_BVC */ |
| 723 | unsigned char msg[] = { |
| 724 | 0x26, 0x1e, 0x81, /* Tag */ 0xff, 0x05, 0x82, 0x01, 0xdc, |
| 725 | 0x03, 0x82, 0x02, 0x76, 0x01, 0x82, 0x00, 0x50, |
| 726 | 0x1c, 0x82, 0x02, 0x58, 0x06, 0x82, 0x00, 0x03 |
| 727 | }; |
| 728 | |
| 729 | msg[3] = tag; |
| 730 | |
| 731 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC", src_addr, bvci, |
| 732 | msg, sizeof(msg)); |
| 733 | } |
| 734 | |
| 735 | static void send_bssgp_flow_control_bvc_ack(struct gprs_ns_inst *nsi, |
| 736 | struct sockaddr_in *src_addr, |
| 737 | uint16_t bvci, uint8_t tag) |
| 738 | { |
| 739 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 740 | * BSSGP FLOW_CONTROL_BVC_ACK */ |
| 741 | unsigned char msg[] = { |
| 742 | 0x27, 0x1e, 0x81, /* Tag */ 0xce |
| 743 | }; |
| 744 | |
| 745 | msg[3] = tag; |
| 746 | |
| 747 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC_ACK", src_addr, bvci, |
| 748 | msg, sizeof(msg)); |
| 749 | } |
| 750 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 751 | static void send_llc_ul_ui( |
| 752 | struct gprs_ns_inst *nsi, const char *text, |
| 753 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 754 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 755 | unsigned sapi, unsigned nu, |
| 756 | const uint8_t *msg, size_t msg_size) |
| 757 | { |
| 758 | unsigned char llc_msg[4096] = { |
| 759 | 0x00, 0xc0, 0x01 |
| 760 | }; |
| 761 | |
| 762 | size_t llc_msg_size = 3 + msg_size + 3; |
| 763 | uint8_t e_bit = 0; |
| 764 | uint8_t pm_bit = 1; |
| 765 | unsigned fcs; |
| 766 | |
| 767 | nu &= 0x01ff; |
| 768 | |
| 769 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 770 | |
| 771 | llc_msg[0] = (sapi & 0x0f); |
| 772 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 773 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 774 | |
| 775 | memcpy(llc_msg + 3, msg, msg_size); |
| 776 | |
| 777 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 778 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 779 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 780 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 781 | |
| 782 | send_bssgp_ul_unitdata(nsi, text ? text : "LLC UI", |
| 783 | src_addr, nsbvci, tlli, raid, cell_id, |
| 784 | llc_msg, llc_msg_size); |
| 785 | } |
| 786 | |
| 787 | static void send_llc_dl_ui( |
| 788 | struct gprs_ns_inst *nsi, const char *text, |
| 789 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 790 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 791 | unsigned sapi, unsigned nu, |
| 792 | const uint8_t *msg, size_t msg_size) |
| 793 | { |
| 794 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 795 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 796 | unsigned char llc_msg[4096] = { |
| 797 | 0x00, 0x00, 0x01 |
| 798 | }; |
| 799 | |
| 800 | size_t llc_msg_size = 3 + msg_size + 3; |
| 801 | uint8_t e_bit = 0; |
| 802 | uint8_t pm_bit = 1; |
| 803 | unsigned fcs; |
| 804 | |
| 805 | nu &= 0x01ff; |
| 806 | |
| 807 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 808 | |
| 809 | llc_msg[0] = 0x40 | (sapi & 0x0f); |
| 810 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 811 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 812 | |
| 813 | memcpy(llc_msg + 3, msg, msg_size); |
| 814 | |
| 815 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 816 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 817 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 818 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 819 | |
| 820 | send_bssgp_dl_unitdata(nsi, text ? text : "LLC UI", |
| 821 | src_addr, nsbvci, tlli, |
| 822 | with_racap_drx, imsi, imsi_size, |
| 823 | llc_msg, llc_msg_size); |
| 824 | } |
| 825 | |
| 826 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 827 | static void setup_ns(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 828 | uint16_t nsvci, uint16_t nsei) |
| 829 | { |
| 830 | printf("Setup NS-VC: remote 0x%08x:%d, " |
| 831 | "NSVCI 0x%04x(%d), NSEI 0x%04x(%d)\n\n", |
| 832 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 833 | nsvci, nsvci, nsei, nsei); |
| 834 | |
| 835 | send_ns_reset(nsi, src_addr, NS_CAUSE_OM_INTERVENTION, nsvci, nsei); |
| 836 | send_ns_alive(nsi, src_addr); |
| 837 | send_ns_unblock(nsi, src_addr); |
| 838 | send_ns_alive_ack(nsi, src_addr); |
| 839 | } |
| 840 | |
| 841 | static void setup_bssgp(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 842 | uint16_t bvci) |
| 843 | { |
| 844 | printf("Setup BSSGP: remote 0x%08x:%d, " |
| 845 | "BVCI 0x%04x(%d)\n\n", |
| 846 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 847 | bvci, bvci); |
| 848 | |
| 849 | send_bssgp_reset(nsi, src_addr, bvci); |
| 850 | } |
| 851 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 852 | static void connect_sgsn(struct gprs_ns_inst *nsi, struct sockaddr_in *sgsn_peer, |
| 853 | uint32_t sgsn_nsei) |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 854 | { |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 855 | gprs_ns_nsip_connect(nsi, sgsn_peer, sgsn_nsei, sgsn_nsei+1); |
| 856 | send_ns_reset_ack(nsi, sgsn_peer, sgsn_nsei+1, sgsn_nsei); |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 857 | send_ns_alive_ack(nsi, sgsn_peer); |
| 858 | send_ns_unblock_ack(nsi, sgsn_peer); |
| 859 | send_ns_alive(nsi, sgsn_peer); |
| 860 | } |
| 861 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 862 | static void configure_sgsn_peer(struct sockaddr_in *sgsn_peer) |
| 863 | { |
| 864 | sgsn_peer->sin_family = AF_INET; |
| 865 | sgsn_peer->sin_port = htons(32000); |
| 866 | sgsn_peer->sin_addr.s_addr = htonl(REMOTE_SGSN_ADDR); |
| 867 | } |
| 868 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 869 | static void configure_sgsn2_peer(struct sockaddr_in *sgsn_peer) |
| 870 | { |
| 871 | sgsn_peer->sin_family = AF_INET; |
| 872 | sgsn_peer->sin_port = htons(32001); |
| 873 | sgsn_peer->sin_addr.s_addr = htonl(REMOTE_SGSN2_ADDR); |
| 874 | } |
| 875 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 876 | static void configure_bss_peers(struct sockaddr_in *bss_peers, size_t size) |
| 877 | { |
| 878 | size_t i; |
| 879 | |
| 880 | for (i = 0; i < size; ++i) { |
| 881 | bss_peers[i].sin_family = AF_INET; |
| 882 | bss_peers[i].sin_port = htons((i + 1) * 1111); |
| 883 | bss_peers[i].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR); |
| 884 | } |
| 885 | } |
| 886 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 887 | int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg, |
| 888 | struct sockaddr_in *saddr, enum gprs_ns_ll ll); |
| 889 | |
| 890 | /* override */ |
| 891 | int gprs_ns_callback(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, |
| 892 | struct msgb *msg, uint16_t bvci) |
| 893 | { |
| 894 | printf("CALLBACK, event %d, msg length %d, bvci 0x%04x\n%s\n\n", |
| 895 | event, msgb_bssgp_len(msg), bvci, |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 896 | osmo_hexdump(msgb_l2(msg), msgb_l2len(msg))); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 897 | |
| 898 | switch (event) { |
| 899 | case GPRS_NS_EVT_UNIT_DATA: |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 900 | return gbprox_rcvmsg(&gbcfg, msg, nsvc->nsei, bvci, nsvc->nsvci); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 901 | default: |
| 902 | break; |
| 903 | } |
| 904 | return 0; |
| 905 | } |
| 906 | |
| 907 | /* override */ |
| 908 | ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, |
| 909 | const struct sockaddr *dest_addr, socklen_t addrlen) |
| 910 | { |
| 911 | typedef ssize_t (*sendto_t)(int, const void *, size_t, int, |
| 912 | const struct sockaddr *, socklen_t); |
| 913 | static sendto_t real_sendto = NULL; |
| 914 | 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] | 915 | int dest_port = htons(((struct sockaddr_in *)dest_addr)->sin_port); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 916 | |
| 917 | if (!real_sendto) |
| 918 | real_sendto = dlsym(RTLD_NEXT, "sendto"); |
| 919 | |
| 920 | if (dest_host == REMOTE_BSS_ADDR) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 921 | printf("MESSAGE to BSS at 0x%08x:%d, msg length %d\n%s\n\n", |
| 922 | dest_host, dest_port, |
| 923 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 924 | else if (dest_host == REMOTE_SGSN_ADDR) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 925 | printf("MESSAGE to SGSN at 0x%08x:%d, msg length %d\n%s\n\n", |
| 926 | dest_host, dest_port, |
| 927 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 928 | else if (dest_host == REMOTE_SGSN2_ADDR) |
| 929 | printf("MESSAGE to SGSN 2 at 0x%08x:%d, msg length %d\n%s\n\n", |
| 930 | dest_host, dest_port, |
| 931 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 932 | else |
| 933 | return real_sendto(sockfd, buf, len, flags, dest_addr, addrlen); |
| 934 | |
| 935 | return len; |
| 936 | } |
| 937 | |
| 938 | /* override */ |
| 939 | int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg) |
| 940 | { |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 941 | typedef int (*gprs_ns_sendmsg_t)(struct gprs_ns_inst *nsi, struct msgb *msg); |
| 942 | static gprs_ns_sendmsg_t real_gprs_ns_sendmsg = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 943 | uint16_t bvci = msgb_bvci(msg); |
| 944 | uint16_t nsei = msgb_nsei(msg); |
| 945 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 946 | size_t len = msgb_length(msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 947 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 948 | if (!real_gprs_ns_sendmsg) |
| 949 | real_gprs_ns_sendmsg = dlsym(RTLD_NEXT, "gprs_ns_sendmsg"); |
| 950 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 951 | if (nsei == SGSN_NSEI) |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 952 | printf("NS UNITDATA MESSAGE to SGSN, BVCI 0x%04x, " |
| 953 | "msg length %d (%s)\n", |
| 954 | bvci, len, __func__); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 955 | else if (nsei == SGSN2_NSEI) |
| 956 | printf("NS UNITDATA MESSAGE to SGSN 2, BVCI 0x%04x, " |
| 957 | "msg length %d (%s)\n", |
| 958 | bvci, len, __func__); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 959 | else |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 960 | printf("NS UNITDATA MESSAGE to BSS, BVCI 0x%04x, " |
| 961 | "msg length %d (%s)\n", |
| 962 | bvci, len, __func__); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 963 | |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 964 | if (received_messages) { |
| 965 | struct msgb *msg_copy; |
| 966 | msg_copy = gprs_msgb_copy(msg, "received_messages"); |
| 967 | llist_add_tail(&msg_copy->list, received_messages); |
| 968 | } |
| 969 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 970 | return real_gprs_ns_sendmsg(nsi, msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 971 | } |
| 972 | |
Jacob Erlbeck | acfaff3 | 2014-09-22 18:54:34 +0200 | [diff] [blame] | 973 | /* Get the next message from the receive FIFO |
| 974 | * |
| 975 | * \returns a pointer to the message which will be invalidated at the next call |
| 976 | * to expect_msg. Returns NULL, if there is no message left. |
| 977 | */ |
| 978 | static struct msgb *expect_msg(void) |
| 979 | { |
| 980 | static struct msgb *msg = NULL; |
| 981 | |
| 982 | msgb_free(msg); |
| 983 | msg = NULL; |
| 984 | |
| 985 | if (!received_messages) |
| 986 | return NULL; |
| 987 | |
| 988 | if (llist_empty(received_messages)) |
| 989 | return NULL; |
| 990 | |
| 991 | msg = llist_entry(received_messages->next, struct msgb, list); |
| 992 | llist_del(&msg->list); |
| 993 | |
| 994 | return msg; |
| 995 | } |
| 996 | |
| 997 | struct expect_result { |
| 998 | struct msgb *msg; |
| 999 | struct gprs_gb_parse_context parse_ctx; |
| 1000 | }; |
| 1001 | |
| 1002 | static struct expect_result *expect_bssgp_msg( |
| 1003 | int match_nsei, int match_bvci, int match_pdu_type) |
| 1004 | { |
| 1005 | static struct expect_result result; |
| 1006 | static const struct expect_result empty_result = {0,}; |
| 1007 | static struct msgb *msg; |
| 1008 | uint16_t nsei; |
| 1009 | int rc; |
| 1010 | |
| 1011 | memcpy(&result, &empty_result, sizeof(result)); |
| 1012 | |
| 1013 | msg = expect_msg(); |
| 1014 | if (!msg) |
| 1015 | return NULL; |
| 1016 | |
| 1017 | nsei = msgb_nsei(msg); |
| 1018 | |
| 1019 | if (match_nsei != MATCH_ANY && match_nsei != nsei) { |
| 1020 | fprintf(stderr, "%s: NSEI mismatch (expected %u, got %u)\n", |
| 1021 | __func__, match_nsei, nsei); |
| 1022 | return NULL; |
| 1023 | } |
| 1024 | |
| 1025 | if (match_bvci != MATCH_ANY && match_bvci != msgb_bvci(msg)) { |
| 1026 | fprintf(stderr, "%s: BVCI mismatch (expected %u, got %u)\n", |
| 1027 | __func__, match_bvci, msgb_bvci(msg)); |
| 1028 | return NULL; |
| 1029 | } |
| 1030 | |
| 1031 | result.msg = msg; |
| 1032 | |
| 1033 | result.parse_ctx.to_bss = nsei != SGSN_NSEI && nsei != SGSN2_NSEI; |
| 1034 | result.parse_ctx.peer_nsei = nsei; |
| 1035 | |
| 1036 | if (!msgb_bssgph(msg)) { |
| 1037 | fprintf(stderr, "%s: Expected BSSGP\n", __func__); |
| 1038 | return NULL; |
| 1039 | } |
| 1040 | |
| 1041 | rc = gprs_gb_parse_bssgp(msgb_bssgph(msg), msgb_bssgp_len(msg), |
| 1042 | &result.parse_ctx); |
| 1043 | |
| 1044 | if (!rc) { |
| 1045 | fprintf(stderr, "%s: Failed to parse message\n", __func__); |
| 1046 | return NULL; |
| 1047 | } |
| 1048 | |
| 1049 | if (match_pdu_type != MATCH_ANY && |
| 1050 | match_pdu_type != result.parse_ctx.pdu_type) { |
| 1051 | fprintf(stderr, "%s: PDU type mismatch (expected %u, got %u)\n", |
| 1052 | __func__, match_pdu_type, result.parse_ctx.pdu_type); |
| 1053 | return NULL; |
| 1054 | } |
| 1055 | |
| 1056 | return &result; |
| 1057 | } |
| 1058 | |
| 1059 | static struct expect_result *expect_llc_msg( |
| 1060 | int match_nsei, int match_bvci, int match_sapi, int match_type) |
| 1061 | { |
| 1062 | static struct expect_result *result; |
| 1063 | |
| 1064 | result = expect_bssgp_msg(match_nsei, match_bvci, MATCH_ANY); |
| 1065 | if (!result) |
| 1066 | return NULL; |
| 1067 | |
| 1068 | if (!result->parse_ctx.llc) { |
| 1069 | fprintf(stderr, "%s: Expected LLC message\n", __func__); |
| 1070 | return NULL; |
| 1071 | } |
| 1072 | |
| 1073 | if (match_sapi != MATCH_ANY && |
| 1074 | match_sapi != result->parse_ctx.llc_hdr_parsed.sapi) { |
| 1075 | fprintf(stderr, "%s: LLC SAPI mismatch (expected %u, got %u)\n", |
| 1076 | __func__, match_sapi, result->parse_ctx.llc_hdr_parsed.sapi); |
| 1077 | return NULL; |
| 1078 | } |
| 1079 | |
| 1080 | if (match_type != MATCH_ANY && |
| 1081 | match_type != result->parse_ctx.llc_hdr_parsed.cmd) { |
| 1082 | fprintf(stderr, |
| 1083 | "%s: LLC command/type mismatch (expected %u, got %u)\n", |
| 1084 | __func__, match_type, result->parse_ctx.llc_hdr_parsed.cmd); |
| 1085 | return NULL; |
| 1086 | } |
| 1087 | |
| 1088 | return result; |
| 1089 | } |
| 1090 | |
| 1091 | static struct expect_result *expect_gmm_msg(int match_nsei, int match_bvci, |
| 1092 | int match_type) |
| 1093 | { |
| 1094 | static struct expect_result *result; |
| 1095 | |
| 1096 | result = expect_llc_msg(match_nsei, match_bvci, GPRS_SAPI_GMM, GPRS_LLC_UI); |
| 1097 | if (!result) |
| 1098 | return NULL; |
| 1099 | |
| 1100 | if (!result->parse_ctx.g48_hdr) { |
| 1101 | fprintf(stderr, "%s: Expected GSM 04.08 message\n", __func__); |
| 1102 | return NULL; |
| 1103 | } |
| 1104 | |
| 1105 | if (match_type != MATCH_ANY && |
| 1106 | match_type != result->parse_ctx.g48_hdr->msg_type) { |
| 1107 | fprintf(stderr, |
| 1108 | "%s: GSM 04.08 message type mismatch (expected %u, got %u)\n", |
| 1109 | __func__, match_type, result->parse_ctx.g48_hdr->msg_type); |
| 1110 | return NULL; |
| 1111 | } |
| 1112 | |
| 1113 | return result; |
| 1114 | } |
| 1115 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1116 | static void dump_rate_ctr_group(FILE *stream, const char *prefix, |
| 1117 | struct rate_ctr_group *ctrg) |
| 1118 | { |
| 1119 | unsigned int i; |
| 1120 | |
| 1121 | for (i = 0; i < ctrg->desc->num_ctr; i++) { |
| 1122 | struct rate_ctr *ctr = &ctrg->ctr[i]; |
| 1123 | if (ctr->current && !strchr(ctrg->desc->ctr_desc[i].name, '.')) |
| 1124 | fprintf(stream, " %s%s: %llu%s", |
| 1125 | prefix, ctrg->desc->ctr_desc[i].description, |
| 1126 | (long long)ctr->current, |
| 1127 | "\n"); |
| 1128 | }; |
| 1129 | } |
| 1130 | |
| 1131 | /* Signal handler for signals from NS layer */ |
| 1132 | static int test_signal(unsigned int subsys, unsigned int signal, |
| 1133 | void *handler_data, void *signal_data) |
| 1134 | { |
| 1135 | struct ns_signal_data *nssd = signal_data; |
| 1136 | int rc; |
| 1137 | |
| 1138 | if (subsys != SS_L_NS) |
| 1139 | return 0; |
| 1140 | |
| 1141 | switch (signal) { |
| 1142 | case S_NS_RESET: |
| 1143 | printf("==> got signal NS_RESET, NS-VC 0x%04x/%s\n", |
| 1144 | nssd->nsvc->nsvci, |
| 1145 | gprs_ns_ll_str(nssd->nsvc)); |
| 1146 | break; |
| 1147 | |
| 1148 | case S_NS_ALIVE_EXP: |
| 1149 | printf("==> got signal NS_ALIVE_EXP, NS-VC 0x%04x/%s\n", |
| 1150 | nssd->nsvc->nsvci, |
| 1151 | gprs_ns_ll_str(nssd->nsvc)); |
| 1152 | break; |
| 1153 | |
| 1154 | case S_NS_BLOCK: |
| 1155 | printf("==> got signal NS_BLOCK, NS-VC 0x%04x/%s\n", |
| 1156 | nssd->nsvc->nsvci, |
| 1157 | gprs_ns_ll_str(nssd->nsvc)); |
| 1158 | break; |
| 1159 | |
| 1160 | case S_NS_UNBLOCK: |
| 1161 | printf("==> got signal NS_UNBLOCK, NS-VC 0x%04x/%s\n", |
| 1162 | nssd->nsvc->nsvci, |
| 1163 | gprs_ns_ll_str(nssd->nsvc)); |
| 1164 | break; |
| 1165 | |
| 1166 | case S_NS_REPLACED: |
| 1167 | printf("==> got signal NS_REPLACED: 0x%04x/%s", |
| 1168 | nssd->nsvc->nsvci, |
| 1169 | gprs_ns_ll_str(nssd->nsvc)); |
| 1170 | printf(" -> 0x%04x/%s\n", |
| 1171 | nssd->old_nsvc->nsvci, |
| 1172 | gprs_ns_ll_str(nssd->old_nsvc)); |
| 1173 | break; |
| 1174 | |
| 1175 | default: |
| 1176 | printf("==> got signal %d, NS-VC 0x%04x/%s\n", signal, |
| 1177 | nssd->nsvc->nsvci, |
| 1178 | gprs_ns_ll_str(nssd->nsvc)); |
| 1179 | break; |
| 1180 | } |
| 1181 | printf("\n"); |
| 1182 | rc = gbprox_signal(subsys, signal, handler_data, signal_data); |
| 1183 | return rc; |
| 1184 | } |
| 1185 | |
| 1186 | 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) |
| 1187 | { |
| 1188 | struct msgb *msg; |
| 1189 | int ret; |
| 1190 | if (data_len > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) { |
| 1191 | fprintf(stderr, "message too long: %d\n", data_len); |
| 1192 | return -1; |
| 1193 | } |
| 1194 | |
| 1195 | msg = gprs_ns_msgb_alloc(); |
| 1196 | memmove(msg->data, data, data_len); |
| 1197 | msg->l2h = msg->data; |
| 1198 | msgb_put(msg, data_len); |
| 1199 | |
| 1200 | printf("PROCESSING %s from 0x%08x:%d\n%s\n\n", |
| 1201 | text, ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 1202 | osmo_hexdump(data, data_len)); |
| 1203 | |
| 1204 | ret = gprs_ns_rcvmsg(nsi, msg, peer, GPRS_NS_LL_UDP); |
| 1205 | |
| 1206 | printf("result (%s) = %d\n\n", text, ret); |
| 1207 | |
| 1208 | msgb_free(msg); |
| 1209 | |
| 1210 | return ret; |
| 1211 | } |
| 1212 | |
| 1213 | static void gprs_dump_nsi(struct gprs_ns_inst *nsi) |
| 1214 | { |
| 1215 | struct gprs_nsvc *nsvc; |
| 1216 | |
| 1217 | printf("Current NS-VCIs:\n"); |
| 1218 | llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) { |
| 1219 | struct sockaddr_in *peer = &(nsvc->ip.bts_addr); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1220 | 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] | 1221 | nsvc->nsvci, nsvc->nsei, |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1222 | ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 1223 | nsvc->state & NSE_S_BLOCKED ? ", blocked" : "", |
| 1224 | nsvc->state & NSE_S_ALIVE ? "" : ", dead" |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1225 | ); |
| 1226 | dump_rate_ctr_group(stdout, " ", nsvc->ctrg); |
| 1227 | } |
| 1228 | printf("\n"); |
| 1229 | } |
| 1230 | |
| 1231 | static void test_gbproxy() |
| 1232 | { |
| 1233 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1234 | struct sockaddr_in bss_peer[4] = {{0},}; |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1235 | struct sockaddr_in sgsn_peer= {0}; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1236 | |
| 1237 | bssgp_nsi = nsi; |
| 1238 | gbcfg.nsi = bssgp_nsi; |
| 1239 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1240 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1241 | configure_sgsn_peer(&sgsn_peer); |
| 1242 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1243 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1244 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1245 | printf("--- Initialise SGSN ---\n\n"); |
| 1246 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1247 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1248 | gprs_dump_nsi(nsi); |
| 1249 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1250 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1251 | |
| 1252 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1253 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1254 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1255 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1256 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1257 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1258 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1259 | printf("--- Initialise BSS 2 ---\n\n"); |
| 1260 | |
| 1261 | setup_ns(nsi, &bss_peer[1], 0x2001, 0x2000); |
| 1262 | setup_bssgp(nsi, &bss_peer[1], 0x2002); |
| 1263 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1264 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1265 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1266 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x2002); |
| 1267 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1268 | printf("--- Move BSS 1 to new port ---\n\n"); |
| 1269 | |
| 1270 | setup_ns(nsi, &bss_peer[2], 0x1001, 0x1000); |
| 1271 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1272 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1273 | |
| 1274 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 1275 | |
| 1276 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 1277 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1278 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1279 | |
| 1280 | printf("--- Move BSS 1 to current BSS 2 port ---\n\n"); |
| 1281 | |
| 1282 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 1283 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1284 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1285 | |
| 1286 | printf("--- Move BSS 2 to new port ---\n\n"); |
| 1287 | |
| 1288 | setup_ns(nsi, &bss_peer[3], 0x2001, 0x2000); |
| 1289 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1290 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1291 | |
| 1292 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 1293 | |
| 1294 | setup_ns(nsi, &bss_peer[2], 0x2001, 0x2000); |
| 1295 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1296 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1297 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1298 | printf("--- Move BSS 1 to original BSS 1 port ---\n\n"); |
| 1299 | |
| 1300 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1301 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1302 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1303 | |
| 1304 | printf("--- Reset BSS 1 with a new BVCI ---\n\n"); |
| 1305 | |
| 1306 | setup_bssgp(nsi, &bss_peer[0], 0x1012); |
| 1307 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1308 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1309 | |
| 1310 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1012); |
| 1311 | |
| 1312 | printf("--- Reset BSS 1 with the old BVCI ---\n\n"); |
| 1313 | |
| 1314 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1315 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1316 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1317 | |
| 1318 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1319 | |
| 1320 | printf("--- Reset BSS 1 with the old BVCI again ---\n\n"); |
| 1321 | |
| 1322 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1323 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1324 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1325 | |
| 1326 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1327 | |
| 1328 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1012 ---\n\n"); |
| 1329 | |
| 1330 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1331 | |
| 1332 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1012 ---\n\n"); |
| 1333 | |
| 1334 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1335 | |
| 1336 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1337 | |
| 1338 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1339 | |
| 1340 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1341 | |
| 1342 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1343 | |
| 1344 | printf("--- Send message from BSS 2 to SGSN, BVCI 0x2002 ---\n\n"); |
| 1345 | |
| 1346 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x2002, (uint8_t *)"", 0); |
| 1347 | |
| 1348 | printf("--- Send message from SGSN to BSS 2, BVCI 0x2002 ---\n\n"); |
| 1349 | |
| 1350 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x2002, (uint8_t *)"", 0); |
| 1351 | |
| 1352 | printf("--- Reset BSS 1 with the old BVCI on BSS2's link ---\n\n"); |
| 1353 | |
| 1354 | setup_bssgp(nsi, &bss_peer[2], 0x1002); |
| 1355 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1356 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1357 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1358 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1359 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1360 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1361 | |
| 1362 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1363 | |
| 1364 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1365 | |
| 1366 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1367 | |
| 1368 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1369 | |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1370 | printf("--- Send message from SGSN to BSS 1, BVCI 0x10ff (invalid) ---\n\n"); |
| 1371 | |
| 1372 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x10ff, (uint8_t *)"", 0); |
| 1373 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1374 | /* Find peer */ |
| 1375 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0xeeee) == NULL); |
| 1376 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0x1000) == NULL); |
| 1377 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0x1012) != NULL); |
| 1378 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0xeeee) == NULL); |
| 1379 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0x1012) == NULL); |
| 1380 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0x1000) != NULL); |
| 1381 | |
| 1382 | |
| 1383 | /* Cleanup */ |
| 1384 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0, 0) == 0); |
| 1385 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0xeeee) == 0); |
| 1386 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0, 0x1002) == 0); |
| 1387 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0x1012) == 1); |
| 1388 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0x1012) == 0); |
| 1389 | |
| 1390 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1391 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1392 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1393 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1394 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1395 | gprs_ns_destroy(nsi); |
| 1396 | nsi = NULL; |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1397 | } |
| 1398 | |
| 1399 | static void test_gbproxy_ident_changes() |
| 1400 | { |
| 1401 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1402 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1403 | struct sockaddr_in sgsn_peer= {0}; |
| 1404 | uint16_t nsei[2] = {0x1000, 0x2000}; |
| 1405 | uint16_t nsvci[2] = {0x1001, 0x2001}; |
| 1406 | uint16_t bvci[4] = {0x1002, 0x2002, 0x3002, 0x4002}; |
| 1407 | |
| 1408 | bssgp_nsi = nsi; |
| 1409 | gbcfg.nsi = bssgp_nsi; |
| 1410 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1411 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1412 | configure_sgsn_peer(&sgsn_peer); |
| 1413 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1414 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1415 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1416 | printf("--- Initialise SGSN ---\n\n"); |
| 1417 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1418 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1419 | gprs_dump_nsi(nsi); |
| 1420 | |
| 1421 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1422 | |
| 1423 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[0]); |
| 1424 | gprs_dump_nsi(nsi); |
| 1425 | |
| 1426 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1427 | |
| 1428 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1429 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1430 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1431 | |
| 1432 | printf("--- Setup BVCI 2 ---\n\n"); |
| 1433 | |
| 1434 | setup_bssgp(nsi, &bss_peer[0], bvci[1]); |
| 1435 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[1]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1436 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1437 | |
| 1438 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1439 | |
| 1440 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1441 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1442 | |
| 1443 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 ---\n\n"); |
| 1444 | |
| 1445 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
| 1446 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
| 1447 | |
| 1448 | printf("--- Change NSEI ---\n\n"); |
| 1449 | |
| 1450 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[1]); |
| 1451 | gprs_dump_nsi(nsi); |
| 1452 | |
| 1453 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1454 | |
| 1455 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1456 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1457 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1458 | |
| 1459 | printf("--- Setup BVCI 3 ---\n\n"); |
| 1460 | |
| 1461 | setup_bssgp(nsi, &bss_peer[0], bvci[2]); |
| 1462 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[2]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1463 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1464 | |
| 1465 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1466 | |
| 1467 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1468 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1469 | |
| 1470 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1471 | " (should fail) ---\n\n"); |
| 1472 | |
| 1473 | 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] | 1474 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1475 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1476 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1477 | |
| 1478 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1479 | |
| 1480 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 1481 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 1482 | |
| 1483 | printf("--- Change NSVCI ---\n\n"); |
| 1484 | |
| 1485 | setup_ns(nsi, &bss_peer[0], nsvci[1], nsei[1]); |
| 1486 | gprs_dump_nsi(nsi); |
| 1487 | |
| 1488 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1489 | |
| 1490 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1491 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1492 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1493 | |
| 1494 | printf("--- Setup BVCI 4 ---\n\n"); |
| 1495 | |
| 1496 | setup_bssgp(nsi, &bss_peer[0], bvci[3]); |
| 1497 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[3]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1498 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1499 | |
| 1500 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1501 | |
| 1502 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1503 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1504 | |
| 1505 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1506 | " (should fail) ---\n\n"); |
| 1507 | |
| 1508 | 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] | 1509 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1510 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1511 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1512 | |
| 1513 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1514 | |
| 1515 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 1516 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 1517 | |
| 1518 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 4 ---\n\n"); |
| 1519 | |
| 1520 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[3], (uint8_t *)"", 0); |
| 1521 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[3], (uint8_t *)"", 0); |
| 1522 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1523 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1524 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1525 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1526 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1527 | gprs_ns_destroy(nsi); |
| 1528 | nsi = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1529 | } |
| 1530 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1531 | static void test_gbproxy_ra_patching() |
| 1532 | { |
| 1533 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1534 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1535 | struct sockaddr_in sgsn_peer= {0}; |
| 1536 | struct gprs_ra_id rai_bss = |
| 1537 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1538 | struct gprs_ra_id rai_sgsn = |
| 1539 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 1540 | struct gprs_ra_id rai_unknown = |
| 1541 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1542 | uint16_t cell_id = 0x7530; |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1543 | const char *err_msg = NULL; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1544 | const uint32_t ptmsi = 0xefe2b700; |
| 1545 | const uint32_t local_tlli = 0xefe2b700; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1546 | const uint32_t foreign_tlli = 0xbbc54679; |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1547 | const uint32_t foreign_tlli2 = 0xbb00beef; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1548 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1549 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1550 | struct gbproxy_peer *peer; |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1551 | LLIST_HEAD(rcv_list); |
| 1552 | struct expect_result *er; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1553 | |
| 1554 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1555 | |
| 1556 | bssgp_nsi = nsi; |
| 1557 | gbcfg.nsi = bssgp_nsi; |
| 1558 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Jacob Erlbeck | 67a4445 | 2014-05-19 10:14:58 +0200 | [diff] [blame] | 1559 | gbcfg.core_mcc = 123; |
| 1560 | gbcfg.core_mnc = 456; |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1561 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
Holger Hans Peter Freyther | ce1b22e | 2014-08-04 14:22:13 +0200 | [diff] [blame] | 1562 | 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] | 1563 | gbcfg.patch_ptmsi = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1564 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1565 | configure_sgsn_peer(&sgsn_peer); |
| 1566 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1567 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1568 | gbcfg.match_re = talloc_strdup(NULL, "^9898|^121314"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 1569 | if (gbproxy_set_patch_filter(&gbcfg, gbcfg.match_re, &err_msg) != 0) { |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1570 | fprintf(stderr, "Failed to compile RE '%s': %s\n", |
| 1571 | gbcfg.match_re, err_msg); |
| 1572 | exit(1); |
| 1573 | } |
| 1574 | |
| 1575 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1576 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1577 | printf("--- Initialise SGSN ---\n\n"); |
| 1578 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1579 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1580 | gprs_dump_nsi(nsi); |
| 1581 | |
| 1582 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1583 | |
| 1584 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1585 | |
| 1586 | received_messages = &rcv_list; |
| 1587 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1588 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1589 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1590 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1591 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 1592 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1593 | OSMO_ASSERT(peer != NULL); |
| 1594 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1595 | OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_BVC_RESET)); |
| 1596 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1597 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1598 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1599 | OSMO_ASSERT(expect_bssgp_msg(0x1000, 0, BSSGP_PDUT_BVC_RESET_ACK)); |
| 1600 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1601 | send_bssgp_suspend(nsi, &bss_peer[0], 0xccd1758b, &rai_bss); |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1602 | |
| 1603 | OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_SUSPEND)); |
| 1604 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1605 | send_bssgp_suspend_ack(nsi, &sgsn_peer, 0xccd1758b, &rai_sgsn); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1606 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1607 | OSMO_ASSERT(expect_bssgp_msg(0x1000, 0, BSSGP_PDUT_SUSPEND_ACK)); |
| 1608 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1609 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1610 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1611 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1612 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1613 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1614 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1615 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1616 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1617 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 1618 | foreign_tlli, &rai_bss, cell_id, |
| 1619 | GPRS_SAPI_GMM, 0, |
| 1620 | dtap_attach_req, sizeof(dtap_attach_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1621 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1622 | 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^] | 1623 | 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] | 1624 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1625 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 1626 | foreign_tlli, 0, NULL, 0, |
| 1627 | GPRS_SAPI_GMM, 0, |
| 1628 | dtap_identity_req, sizeof(dtap_identity_req)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1629 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1630 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ID_REQ)); |
| 1631 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1632 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 1633 | foreign_tlli, &rai_bss, cell_id, |
| 1634 | GPRS_SAPI_GMM, 3, |
| 1635 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1636 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1637 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ID_RESP)); |
| 1638 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1639 | OSMO_ASSERT(5 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1640 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1641 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1642 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 1643 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1644 | GPRS_SAPI_GMM, 1, |
| 1645 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1646 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1647 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_ATTACH_ACK)); |
| 1648 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1649 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1650 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1651 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1652 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1653 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1654 | |
| 1655 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1656 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1657 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1658 | |
| 1659 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1660 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_sgsn)) != NULL); |
| 1661 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1662 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1663 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1664 | OSMO_ASSERT(link_info); |
| 1665 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1666 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1667 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1668 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1669 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1670 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1671 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 1672 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1673 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1674 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 1675 | local_tlli, &rai_bss, cell_id, |
| 1676 | GPRS_SAPI_GMM, 4, |
| 1677 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1678 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1679 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_COMPL)); |
| 1680 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1681 | OSMO_ASSERT(6 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1682 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1683 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1684 | OSMO_ASSERT(link_info); |
| 1685 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1686 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1687 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1688 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1689 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1690 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1691 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1692 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1693 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1694 | /* Replace APN (1) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1695 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 1696 | local_tlli, &rai_bss, cell_id, |
| 1697 | GPRS_SAPI_GMM, 3, |
| 1698 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1699 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1700 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1701 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1702 | OSMO_ASSERT(7 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1703 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1704 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1705 | OSMO_ASSERT(link_info); |
| 1706 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1707 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1708 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1709 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1710 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1711 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1712 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1713 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1714 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1715 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1716 | local_tlli, 1, imsi, sizeof(imsi), |
| 1717 | GPRS_SAPI_GMM, 2, |
| 1718 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 1719 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1720 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_INFO)); |
| 1721 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1722 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1723 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1724 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1725 | OSMO_ASSERT(link_info); |
| 1726 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1727 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1728 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
| 1729 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1730 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1731 | /* Replace APN (2) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1732 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 1733 | local_tlli, &rai_bss, cell_id, |
| 1734 | GPRS_SAPI_GMM, 3, |
| 1735 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1736 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1737 | OSMO_ASSERT(er = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1738 | OSMO_ASSERT(er->parse_ctx.apn_ie_len == gbcfg.core_apn_size + 2); |
| 1739 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1740 | OSMO_ASSERT(8 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1741 | |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1742 | gbcfg.core_apn[0] = 0; |
| 1743 | gbcfg.core_apn_size = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1744 | |
| 1745 | /* Remove APN */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1746 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", &bss_peer[0], 0x1002, |
| 1747 | local_tlli, &rai_bss, cell_id, |
| 1748 | GPRS_SAPI_GMM, 3, |
| 1749 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1750 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1751 | OSMO_ASSERT(er = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1752 | OSMO_ASSERT(er->parse_ctx.apn_ie_len == 0); |
| 1753 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1754 | OSMO_ASSERT(9 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1755 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1756 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1757 | |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1758 | /* Detach */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1759 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 1760 | local_tlli, &rai_bss, cell_id, |
| 1761 | GPRS_SAPI_GMM, 6, |
| 1762 | dtap_detach_req, sizeof(dtap_detach_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1763 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1764 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 1765 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1766 | OSMO_ASSERT(10 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1767 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1768 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1769 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 1770 | local_tlli, 1, imsi, sizeof(imsi), |
| 1771 | GPRS_SAPI_GMM, 5, |
| 1772 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
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(0x1000, 0x1002, GSM48_MT_GMM_DETACH_ACK)); |
| 1775 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1776 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1777 | |
| 1778 | printf("--- RA update ---\n\n"); |
| 1779 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1780 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 1781 | foreign_tlli, &rai_bss, 0x7080, |
| 1782 | GPRS_SAPI_GMM, 5, |
| 1783 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1784 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1785 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_RA_UPD_REQ)); |
| 1786 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1787 | OSMO_ASSERT(12 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1788 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1789 | send_llc_dl_ui(nsi, "RA UPD ACC", &sgsn_peer, 0x1002, |
| 1790 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1791 | GPRS_SAPI_GMM, 6, |
| 1792 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1793 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1794 | OSMO_ASSERT(expect_gmm_msg(0x1000, 0x1002, GSM48_MT_GMM_RA_UPD_ACK)); |
| 1795 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1796 | OSMO_ASSERT(3 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1797 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1798 | /* Remove APN */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1799 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", &bss_peer[0], 0x1002, |
| 1800 | local_tlli, &rai_bss, cell_id, |
| 1801 | GPRS_SAPI_GMM, 3, |
| 1802 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
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(er = expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1805 | OSMO_ASSERT(er->parse_ctx.apn_ie_len == 0); |
| 1806 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1807 | OSMO_ASSERT(13 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1808 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1809 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1810 | |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 1811 | /* Detach (power off -> no Detach Accept) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1812 | send_llc_ul_ui(nsi, "DETACH REQ (PWR OFF)", &bss_peer[0], 0x1002, |
| 1813 | local_tlli, &rai_bss, cell_id, |
| 1814 | GPRS_SAPI_GMM, 6, |
| 1815 | dtap_detach_po_req, sizeof(dtap_detach_po_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1816 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1817 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_DETACH_REQ)); |
| 1818 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1819 | OSMO_ASSERT(14 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1820 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1821 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1822 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1823 | |
| 1824 | printf("--- Bad cases ---\n\n"); |
| 1825 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1826 | /* The RAI in the Attach Request message differs from the RAI in the |
| 1827 | * BSSGP message, only patch the latter */ |
| 1828 | |
| 1829 | send_llc_ul_ui(nsi, "ATTACH REQUEST (foreign RAI)", &bss_peer[0], 0x1002, |
| 1830 | foreign_tlli2, &rai_bss, cell_id, |
| 1831 | GPRS_SAPI_GMM, 0, |
| 1832 | dtap_attach_req2, sizeof(dtap_attach_req2)); |
| 1833 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1834 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GMM_ATTACH_REQ)); |
| 1835 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1836 | OSMO_ASSERT(15 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1837 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1838 | printf("TLLI is already detached, shouldn't patch\n"); |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1839 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ", &bss_peer[0], 0x1002, |
| 1840 | local_tlli, &rai_bss, cell_id, |
| 1841 | GPRS_SAPI_GMM, 3, |
| 1842 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1843 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1844 | OSMO_ASSERT(expect_gmm_msg(SGSN_NSEI, 0x1002, GSM48_MT_GSM_ACT_PDP_REQ)); |
| 1845 | |
Jacob Erlbeck | 006c038 | 2014-05-27 13:49:04 +0200 | [diff] [blame] | 1846 | printf("Invalid RAI, shouldn't patch\n"); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1847 | send_bssgp_suspend_ack(nsi, &sgsn_peer, 0xccd1758b, &rai_unknown); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1848 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1849 | /* TODO: The following breaks with the current libosmocore, enable it |
| 1850 | * again (and remove the plain expect_msg), when the msgb_bssgph patch |
| 1851 | * is integrated */ |
| 1852 | /* OSMO_ASSERT(expect_bssgp_msg(SGSN_NSEI, 0, BSSGP_PDUT_STATUS)); */ |
| 1853 | OSMO_ASSERT(expect_msg()); |
| 1854 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1855 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1856 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1857 | |
Jacob Erlbeck | 55ec2bf | 2014-09-23 14:56:38 +0200 | [diff] [blame^] | 1858 | OSMO_ASSERT(!expect_msg()); |
| 1859 | received_messages = NULL; |
| 1860 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1861 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1862 | gprs_ns_destroy(nsi); |
| 1863 | nsi = NULL; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1864 | } |
| 1865 | |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1866 | static void test_gbproxy_ptmsi_assignment() |
| 1867 | { |
| 1868 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1869 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1870 | struct sockaddr_in sgsn_peer= {0}; |
| 1871 | struct gprs_ra_id rai_bss = |
| 1872 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1873 | struct gprs_ra_id rai_unknown = |
| 1874 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1875 | uint16_t cell_id = 0x1234; |
| 1876 | |
| 1877 | const uint32_t ptmsi = 0xefe2b700; |
| 1878 | const uint32_t local_tlli = 0xefe2b700; |
| 1879 | |
| 1880 | const uint32_t foreign_tlli1 = 0x8000dead; |
| 1881 | const uint32_t foreign_tlli2 = 0x8000beef; |
| 1882 | |
| 1883 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
| 1884 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0x18}; |
| 1885 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1886 | struct gbproxy_link_info *link_info, *link_info2; |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1887 | struct gbproxy_peer *peer; |
| 1888 | unsigned bss_nu = 0; |
| 1889 | unsigned sgsn_nu = 0; |
| 1890 | |
| 1891 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 1892 | |
| 1893 | bssgp_nsi = nsi; |
| 1894 | gbcfg.nsi = bssgp_nsi; |
| 1895 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1896 | gbcfg.core_mcc = 0; |
| 1897 | gbcfg.core_mnc = 0; |
| 1898 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 1899 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 1900 | gbcfg.patch_ptmsi = 0; |
| 1901 | gbcfg.bss_ptmsi_state = 0; |
| 1902 | gbcfg.sgsn_tlli_state = 1; |
| 1903 | |
| 1904 | configure_sgsn_peer(&sgsn_peer); |
| 1905 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 1906 | |
| 1907 | printf("=== %s ===\n", __func__); |
| 1908 | printf("--- Initialise SGSN ---\n\n"); |
| 1909 | |
| 1910 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
| 1911 | |
| 1912 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1913 | |
| 1914 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1915 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1916 | |
| 1917 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 1918 | OSMO_ASSERT(peer != NULL); |
| 1919 | |
| 1920 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1921 | |
| 1922 | gprs_dump_nsi(nsi); |
| 1923 | dump_global(stdout, 0); |
| 1924 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1925 | |
| 1926 | printf("--- Establish first LLC connection ---\n\n"); |
| 1927 | |
| 1928 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 1929 | foreign_tlli1, &rai_unknown, cell_id, |
| 1930 | GPRS_SAPI_GMM, bss_nu++, |
| 1931 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1932 | |
| 1933 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1934 | |
| 1935 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 1936 | foreign_tlli1, 0, NULL, 0, |
| 1937 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1938 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1939 | |
| 1940 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1941 | |
| 1942 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 1943 | foreign_tlli1, &rai_bss, cell_id, |
| 1944 | GPRS_SAPI_GMM, bss_nu++, |
| 1945 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 1946 | |
| 1947 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1948 | |
| 1949 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 1950 | foreign_tlli1, 1, imsi1, sizeof(imsi1), |
| 1951 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1952 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1953 | |
| 1954 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1955 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1956 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli1); |
| 1957 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1958 | OSMO_ASSERT(link_info); |
| 1959 | OSMO_ASSERT(link_info == link_info2); |
| 1960 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1961 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli1); |
| 1962 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1963 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1964 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1965 | |
| 1966 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 1967 | local_tlli, &rai_bss, cell_id, |
| 1968 | GPRS_SAPI_GMM, bss_nu++, |
| 1969 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1970 | |
| 1971 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1972 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1973 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1974 | OSMO_ASSERT(link_info); |
| 1975 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1976 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli1); |
| 1977 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1978 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1979 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1980 | |
| 1981 | |
| 1982 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1983 | local_tlli, 1, imsi1, sizeof(imsi1), |
| 1984 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1985 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1986 | |
| 1987 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1988 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1989 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 1990 | OSMO_ASSERT(link_info); |
| 1991 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
| 1992 | OSMO_ASSERT(!gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2))); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1993 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1994 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1995 | OSMO_ASSERT(link_info == link_info2); |
| 1996 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1997 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1998 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1999 | |
| 2000 | printf("--- Establish second LLC connection with the same P-TMSI ---\n\n"); |
| 2001 | |
| 2002 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2003 | foreign_tlli2, &rai_unknown, cell_id, |
| 2004 | GPRS_SAPI_GMM, bss_nu++, |
| 2005 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2006 | |
| 2007 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2008 | |
| 2009 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 2010 | foreign_tlli2, 0, NULL, 0, |
| 2011 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2012 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2013 | |
| 2014 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2015 | |
| 2016 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2017 | foreign_tlli2, &rai_bss, cell_id, |
| 2018 | GPRS_SAPI_GMM, bss_nu++, |
| 2019 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 2020 | |
| 2021 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2022 | |
| 2023 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 2024 | foreign_tlli2, 1, imsi2, sizeof(imsi2), |
| 2025 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2026 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2027 | |
| 2028 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2029 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2030 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli2); |
| 2031 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 2032 | OSMO_ASSERT(link_info); |
| 2033 | OSMO_ASSERT(link_info == link_info2); |
| 2034 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 2035 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli2); |
| 2036 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2037 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2038 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 2039 | |
| 2040 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2041 | local_tlli, &rai_bss, cell_id, |
| 2042 | GPRS_SAPI_GMM, bss_nu++, |
| 2043 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2044 | |
| 2045 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2046 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2047 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 2048 | OSMO_ASSERT(link_info); |
| 2049 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 2050 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli2); |
| 2051 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2052 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2053 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 2054 | |
| 2055 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2056 | local_tlli, 1, imsi2, sizeof(imsi2), |
| 2057 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2058 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2059 | |
| 2060 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2061 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2062 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 2063 | OSMO_ASSERT(link_info); |
| 2064 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
| 2065 | OSMO_ASSERT(!gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1))); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 2066 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2067 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 2068 | OSMO_ASSERT(link_info == link_info2); |
| 2069 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2070 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 2071 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 2072 | |
| 2073 | dump_global(stdout, 0); |
| 2074 | |
| 2075 | gbprox_reset(&gbcfg); |
| 2076 | gprs_ns_destroy(nsi); |
| 2077 | nsi = NULL; |
| 2078 | } |
| 2079 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2080 | static void test_gbproxy_ptmsi_patching() |
| 2081 | { |
| 2082 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 2083 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 2084 | struct sockaddr_in sgsn_peer= {0}; |
| 2085 | struct gprs_ra_id rai_bss = |
| 2086 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2087 | struct gprs_ra_id rai_sgsn = |
| 2088 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2089 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 2090 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2091 | struct gprs_ra_id rai_unknown = |
| 2092 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2093 | uint16_t cell_id = 0x1234; |
| 2094 | |
| 2095 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2096 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 2097 | const uint32_t sgsn_ptmsi3 = 0xe0543210; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2098 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2099 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
| 2100 | const uint32_t local_sgsn_tlli3 = 0xe0543210; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2101 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2102 | const uint32_t unknown_sgsn_tlli = 0xeebadbad; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2103 | |
| 2104 | const uint32_t bss_ptmsi = 0xc00f7304; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2105 | const uint32_t bss_ptmsi2 = 0xe656aa1f; |
| 2106 | const uint32_t bss_ptmsi3 = 0xead4775a; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2107 | const uint32_t local_bss_tlli = 0xc00f7304; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2108 | const uint32_t local_bss_tlli2 = 0xe656aa1f; |
| 2109 | const uint32_t local_bss_tlli3 = 0xead4775a; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2110 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2111 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2112 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2113 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2114 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2115 | struct gbproxy_peer *peer; |
| 2116 | unsigned bss_nu = 0; |
| 2117 | unsigned sgsn_nu = 0; |
| 2118 | |
| 2119 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2120 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 2121 | OSMO_ASSERT(local_sgsn_tlli3 == gprs_tmsi2tlli(sgsn_ptmsi3, TLLI_LOCAL)); |
| 2122 | OSMO_ASSERT(local_bss_tlli == gprs_tmsi2tlli(bss_ptmsi, TLLI_LOCAL)); |
| 2123 | OSMO_ASSERT(local_bss_tlli2 == gprs_tmsi2tlli(bss_ptmsi2, TLLI_LOCAL)); |
| 2124 | OSMO_ASSERT(local_bss_tlli3 == gprs_tmsi2tlli(bss_ptmsi3, TLLI_LOCAL)); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2125 | |
| 2126 | bssgp_nsi = nsi; |
| 2127 | gbcfg.nsi = bssgp_nsi; |
| 2128 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 2129 | gbcfg.core_mcc = 123; |
| 2130 | gbcfg.core_mnc = 456; |
| 2131 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 2132 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2133 | gbcfg.patch_ptmsi = 1; |
| 2134 | gbcfg.bss_ptmsi_state = 0; |
| 2135 | gbcfg.sgsn_tlli_state = 1; |
| 2136 | |
| 2137 | configure_sgsn_peer(&sgsn_peer); |
| 2138 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 2139 | |
| 2140 | printf("=== %s ===\n", __func__); |
| 2141 | printf("--- Initialise SGSN ---\n\n"); |
| 2142 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2143 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2144 | |
| 2145 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2146 | |
| 2147 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 2148 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 2149 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 2150 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2151 | OSMO_ASSERT(peer != NULL); |
| 2152 | |
| 2153 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 2154 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2155 | gprs_dump_nsi(nsi); |
| 2156 | dump_global(stdout, 0); |
| 2157 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2158 | |
| 2159 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2160 | |
| 2161 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2162 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2163 | GPRS_SAPI_GMM, bss_nu++, |
| 2164 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2165 | |
| 2166 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2167 | |
| 2168 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 2169 | random_sgsn_tlli, 0, NULL, 0, |
| 2170 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2171 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2172 | |
| 2173 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2174 | |
| 2175 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2176 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2177 | GPRS_SAPI_GMM, bss_nu++, |
| 2178 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2179 | |
| 2180 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2181 | |
| 2182 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 2183 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2184 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2185 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2186 | |
| 2187 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2188 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2189 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2190 | OSMO_ASSERT(link_info); |
| 2191 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2192 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2193 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2194 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2195 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2196 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2197 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2198 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2199 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2200 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2201 | |
| 2202 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2203 | local_bss_tlli, &rai_bss, cell_id, |
| 2204 | GPRS_SAPI_GMM, bss_nu++, |
| 2205 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2206 | |
| 2207 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2208 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2209 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2210 | OSMO_ASSERT(link_info); |
| 2211 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2212 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2213 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2214 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2215 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2216 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2217 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2218 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2219 | |
| 2220 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2221 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2222 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2223 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2224 | |
| 2225 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2226 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2227 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2228 | OSMO_ASSERT(link_info); |
| 2229 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2230 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2231 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2232 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2233 | |
Jacob Erlbeck | 82add78 | 2014-09-05 18:08:12 +0200 | [diff] [blame] | 2234 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 2235 | local_bss_tlli, &rai_bss, cell_id, |
| 2236 | GPRS_SAPI_GMM, bss_nu++, |
| 2237 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
| 2238 | |
| 2239 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2240 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2241 | /* Non-DTAP */ |
| 2242 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2243 | local_bss_tlli, &rai_bss, cell_id, |
| 2244 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2245 | |
| 2246 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer, 0x1002, |
| 2247 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2248 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2249 | |
| 2250 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2251 | local_bss_tlli, &rai_bss, cell_id, |
| 2252 | llc_ui_ll11_dns_query_ul, |
| 2253 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2254 | |
| 2255 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer, 0x1002, |
| 2256 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2257 | llc_ui_ll11_dns_resp_dl, |
| 2258 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2259 | |
| 2260 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2261 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2262 | /* Repeated RA Update Requests */ |
| 2263 | send_llc_ul_ui(nsi, "RA UPD REQ (P-TMSI 2)", &bss_peer[0], 0x1002, |
| 2264 | local_bss_tlli, &rai_bss, 0x7080, |
| 2265 | GPRS_SAPI_GMM, bss_nu++, |
| 2266 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2267 | |
| 2268 | send_llc_dl_ui(nsi, "RA UDP ACC (P-TMSI 2)", &sgsn_peer, 0x1002, |
| 2269 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2270 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2271 | dtap_ra_upd_acc2, sizeof(dtap_ra_upd_acc2)); |
| 2272 | |
| 2273 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2274 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2275 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI) != NULL); |
| 2276 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2277 | OSMO_ASSERT(link_info); |
| 2278 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 2279 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2280 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2281 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2282 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi2); |
| 2283 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 2284 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2285 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2286 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2287 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2288 | |
| 2289 | send_llc_ul_ui(nsi, "RA UPD REQ (P-TMSI 3)", &bss_peer[0], 0x1002, |
| 2290 | local_bss_tlli2, &rai_bss, 0x7080, |
| 2291 | GPRS_SAPI_GMM, bss_nu++, |
| 2292 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2293 | |
| 2294 | send_llc_dl_ui(nsi, "RA UDP ACC (P-TMSI 3)", &sgsn_peer, 0x1002, |
| 2295 | local_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 2296 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2297 | dtap_ra_upd_acc3, sizeof(dtap_ra_upd_acc3)); |
| 2298 | |
| 2299 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2300 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2301 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI) == NULL); |
| 2302 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli3, SGSN_NSEI) != NULL); |
| 2303 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2304 | OSMO_ASSERT(link_info); |
| 2305 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 2306 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2307 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2308 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2309 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi3); |
| 2310 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli3); |
| 2311 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2312 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2313 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2314 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi3); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2315 | |
| 2316 | send_llc_ul_ui(nsi, "RA UPD COMPLETE", &bss_peer[0], 0x1002, |
| 2317 | local_bss_tlli3, &rai_bss, 0x7080, |
| 2318 | GPRS_SAPI_GMM, bss_nu++, |
| 2319 | dtap_ra_upd_complete, sizeof(dtap_ra_upd_complete)); |
| 2320 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2321 | link_info = gbproxy_link_info_by_tlli(peer, local_bss_tlli3); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2322 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2323 | OSMO_ASSERT(link_info); |
| 2324 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2325 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2326 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2327 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2328 | |
| 2329 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2330 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
| 2331 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2332 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2333 | |
| 2334 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2335 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2336 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli3, SGSN_NSEI); |
| 2337 | OSMO_ASSERT(link_info); |
| 2338 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli3); |
| 2339 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2340 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli3); |
| 2341 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2342 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2343 | /* Other messages */ |
| 2344 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2345 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2346 | |
| 2347 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2348 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2349 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli3, &rai_bss); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2350 | |
| 2351 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2352 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2353 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli3, &rai_sgsn); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2354 | |
| 2355 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2356 | |
| 2357 | /* Bad case: Invalid BVCI */ |
| 2358 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0xeee1, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2359 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2360 | dump_global(stdout, 0); |
| 2361 | |
| 2362 | /* Bad case: Invalid RAI */ |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2363 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli3, &rai_unknown); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2364 | |
| 2365 | dump_global(stdout, 0); |
| 2366 | |
| 2367 | /* Bad case: Invalid MCC (LAC ok) */ |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2368 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli3, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2369 | &rai_wrong_mcc_sgsn); |
| 2370 | |
| 2371 | dump_global(stdout, 0); |
| 2372 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2373 | /* Bad case: Invalid TLLI from SGSN (IMSI unknown) */ |
| 2374 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2375 | unknown_sgsn_tlli, 1, NULL, 0, |
| 2376 | GPRS_SAPI_GMM, 2, |
| 2377 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2378 | |
| 2379 | /* Bad case: Invalid TLLI from SGSN (IMSI known) */ |
| 2380 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2381 | unknown_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2382 | GPRS_SAPI_GMM, 3, |
| 2383 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2384 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2385 | /* Detach */ |
| 2386 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2387 | local_bss_tlli3, &rai_bss, cell_id, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2388 | GPRS_SAPI_GMM, bss_nu++, |
| 2389 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2390 | |
| 2391 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2392 | |
| 2393 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2394 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2395 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2396 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2397 | |
| 2398 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2399 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2400 | dump_global(stdout, 0); |
| 2401 | |
| 2402 | gbprox_reset(&gbcfg); |
| 2403 | gprs_ns_destroy(nsi); |
| 2404 | nsi = NULL; |
| 2405 | } |
| 2406 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2407 | static void test_gbproxy_imsi_acquisition() |
| 2408 | { |
| 2409 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 2410 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 2411 | struct sockaddr_in sgsn_peer= {0}; |
| 2412 | struct gprs_ra_id rai_bss = |
| 2413 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2414 | struct gprs_ra_id rai_sgsn = |
| 2415 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2416 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 2417 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2418 | struct gprs_ra_id rai_unknown = |
| 2419 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2420 | uint16_t cell_id = 0x1234; |
| 2421 | |
| 2422 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2423 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
| 2424 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2425 | const uint32_t random_sgsn_tlli2 = 0x7eb52dfb; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2426 | |
| 2427 | const uint32_t bss_ptmsi = 0xc00f7304; |
| 2428 | const uint32_t local_bss_tlli = 0xc00f7304; |
| 2429 | const uint32_t foreign_bss_tlli = 0x8000dead; |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2430 | const uint32_t other_bss_tlli = 0x8000beef; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2431 | |
| 2432 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2433 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2434 | struct gbproxy_peer *peer; |
| 2435 | unsigned bss_nu = 0; |
| 2436 | unsigned sgsn_nu = 0; |
| 2437 | |
| 2438 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2439 | |
| 2440 | bssgp_nsi = nsi; |
| 2441 | gbcfg.nsi = bssgp_nsi; |
| 2442 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 2443 | gbcfg.core_mcc = 123; |
| 2444 | gbcfg.core_mnc = 456; |
| 2445 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 2446 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2447 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2448 | gbcfg.acquire_imsi = 1; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2449 | gbcfg.bss_ptmsi_state = 0; |
| 2450 | gbcfg.sgsn_tlli_state = 1; |
| 2451 | |
| 2452 | configure_sgsn_peer(&sgsn_peer); |
| 2453 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 2454 | |
| 2455 | printf("=== %s ===\n", __func__); |
| 2456 | printf("--- Initialise SGSN ---\n\n"); |
| 2457 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2458 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2459 | |
| 2460 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2461 | |
| 2462 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 2463 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 2464 | |
| 2465 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2466 | OSMO_ASSERT(peer != NULL); |
| 2467 | |
| 2468 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 2469 | |
| 2470 | gprs_dump_nsi(nsi); |
| 2471 | dump_global(stdout, 0); |
| 2472 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2473 | |
| 2474 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2475 | |
| 2476 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2477 | foreign_bss_tlli, &rai_bss, cell_id, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2478 | GPRS_SAPI_GMM, bss_nu++, |
| 2479 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2480 | |
| 2481 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2482 | |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2483 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2484 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2485 | GPRS_SAPI_GMM, bss_nu++, |
| 2486 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2487 | |
| 2488 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2489 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2490 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 2491 | random_sgsn_tlli, 0, NULL, 0, |
| 2492 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2493 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2494 | |
| 2495 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2496 | |
| 2497 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2498 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2499 | GPRS_SAPI_GMM, bss_nu++, |
| 2500 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2501 | |
| 2502 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2503 | |
| 2504 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 2505 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2506 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2507 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2508 | |
| 2509 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2510 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2511 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2512 | OSMO_ASSERT(link_info); |
| 2513 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2514 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2515 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2516 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2517 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2518 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2519 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2520 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2521 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2522 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2523 | |
| 2524 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2525 | local_bss_tlli, &rai_bss, cell_id, |
| 2526 | GPRS_SAPI_GMM, bss_nu++, |
| 2527 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2528 | |
| 2529 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2530 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2531 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2532 | OSMO_ASSERT(link_info); |
| 2533 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2534 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2535 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2536 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2537 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2538 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2539 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2540 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2541 | |
| 2542 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2543 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2544 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2545 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2546 | |
| 2547 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2548 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2549 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2550 | OSMO_ASSERT(link_info); |
| 2551 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2552 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2553 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2554 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2555 | |
| 2556 | /* Non-DTAP */ |
| 2557 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2558 | local_bss_tlli, &rai_bss, cell_id, |
| 2559 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2560 | |
| 2561 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer, 0x1002, |
| 2562 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2563 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2564 | |
| 2565 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2566 | local_bss_tlli, &rai_bss, cell_id, |
| 2567 | llc_ui_ll11_dns_query_ul, |
| 2568 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2569 | |
| 2570 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer, 0x1002, |
| 2571 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2572 | llc_ui_ll11_dns_resp_dl, |
| 2573 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2574 | |
| 2575 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2576 | |
| 2577 | /* Other messages */ |
| 2578 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
| 2579 | local_bss_tlli, 1, 12); |
| 2580 | |
| 2581 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2582 | |
| 2583 | send_bssgp_llc_discarded(nsi, &sgsn_peer, 0x1002, |
| 2584 | local_sgsn_tlli, 1, 12); |
| 2585 | |
| 2586 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2587 | |
| 2588 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli, &rai_bss); |
| 2589 | |
| 2590 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2591 | |
| 2592 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli, &rai_sgsn); |
| 2593 | |
| 2594 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2595 | |
| 2596 | /* Bad case: Invalid BVCI */ |
| 2597 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0xeee1, |
| 2598 | local_bss_tlli, 1, 12); |
| 2599 | dump_global(stdout, 0); |
| 2600 | |
| 2601 | /* Bad case: Invalid RAI */ |
| 2602 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli, &rai_unknown); |
| 2603 | |
| 2604 | dump_global(stdout, 0); |
| 2605 | |
| 2606 | /* Bad case: Invalid MCC (LAC ok) */ |
| 2607 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli, |
| 2608 | &rai_wrong_mcc_sgsn); |
| 2609 | |
| 2610 | dump_global(stdout, 0); |
| 2611 | |
| 2612 | /* Detach */ |
| 2613 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2614 | local_bss_tlli, &rai_bss, cell_id, |
| 2615 | GPRS_SAPI_GMM, bss_nu++, |
| 2616 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2617 | |
| 2618 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2619 | |
| 2620 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 2621 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2622 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2623 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2624 | |
| 2625 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2626 | |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2627 | /* RA Update request */ |
| 2628 | |
| 2629 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 2630 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2631 | GPRS_SAPI_GMM, bss_nu++, |
| 2632 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2633 | |
| 2634 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2635 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2636 | GPRS_SAPI_GMM, bss_nu++, |
| 2637 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2638 | |
| 2639 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2640 | |
| 2641 | send_llc_dl_ui(nsi, "RA UDP ACC", &sgsn_peer, 0x1002, |
| 2642 | random_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 2643 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2644 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
| 2645 | |
| 2646 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2647 | |
| 2648 | /* Detach */ |
| 2649 | |
| 2650 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2651 | local_bss_tlli, &rai_bss, cell_id, |
| 2652 | GPRS_SAPI_GMM, bss_nu++, |
| 2653 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2654 | |
| 2655 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2656 | |
| 2657 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 2658 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2659 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2660 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2661 | |
| 2662 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2663 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2664 | /* Special case: Repeated Attach Requests */ |
| 2665 | |
| 2666 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2667 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2668 | GPRS_SAPI_GMM, bss_nu++, |
| 2669 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2670 | |
| 2671 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2672 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2673 | GPRS_SAPI_GMM, bss_nu++, |
| 2674 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2675 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2676 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2677 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2678 | GPRS_SAPI_GMM, bss_nu++, |
| 2679 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2680 | |
| 2681 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2682 | |
| 2683 | /* Special case: Detach from an unknown TLLI */ |
| 2684 | |
| 2685 | send_llc_ul_ui(nsi, "DETACH REQ (unknown TLLI)", &bss_peer[0], 0x1002, |
| 2686 | other_bss_tlli, &rai_bss, cell_id, |
| 2687 | GPRS_SAPI_GMM, bss_nu++, |
| 2688 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2689 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2690 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2691 | |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2692 | /* Special case: Repeated RA Update Requests */ |
| 2693 | |
| 2694 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 2695 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2696 | GPRS_SAPI_GMM, bss_nu++, |
| 2697 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2698 | |
| 2699 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 2700 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2701 | GPRS_SAPI_GMM, bss_nu++, |
| 2702 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2703 | |
| 2704 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2705 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2706 | GPRS_SAPI_GMM, bss_nu++, |
| 2707 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2708 | |
| 2709 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2710 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2711 | dump_global(stdout, 0); |
| 2712 | |
| 2713 | gbprox_reset(&gbcfg); |
| 2714 | gprs_ns_destroy(nsi); |
| 2715 | nsi = NULL; |
| 2716 | } |
| 2717 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2718 | static void test_gbproxy_secondary_sgsn() |
| 2719 | { |
| 2720 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 2721 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 2722 | struct sockaddr_in sgsn_peer[2]= {{0},}; |
| 2723 | struct gprs_ra_id rai_bss = |
| 2724 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2725 | struct gprs_ra_id rai_sgsn = |
| 2726 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2727 | struct gprs_ra_id rai_unknown = |
| 2728 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2729 | uint16_t cell_id = 0x1234; |
| 2730 | |
| 2731 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2732 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
| 2733 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
| 2734 | |
| 2735 | const uint32_t bss_ptmsi = 0xc00f7304; |
| 2736 | const uint32_t local_bss_tlli = 0xc00f7304; |
| 2737 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2738 | |
| 2739 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 2740 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
| 2741 | const uint32_t random_sgsn_tlli2 = 0x7eb52dfb; |
| 2742 | const uint32_t bss_ptmsi2 = 0xe656aa1f; |
| 2743 | const uint32_t local_bss_tlli2 = 0xe656aa1f; |
| 2744 | const uint32_t foreign_bss_tlli2 = 0x8000beef; |
| 2745 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2746 | const uint32_t random_sgsn_tlli3 = 0x7e23ef54; |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 2747 | const uint32_t bss_ptmsi3 = 0xead4775a; |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2748 | const uint32_t local_bss_tlli3 = 0xead4775a; |
| 2749 | const uint32_t foreign_bss_tlli3 = 0x8000feed; |
| 2750 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2751 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
| 2752 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2753 | const uint8_t imsi3[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x26, 0x27, 0x28}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2754 | struct gbproxy_link_info *link_info; |
| 2755 | struct gbproxy_link_info *other_info; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2756 | struct gbproxy_peer *peer; |
| 2757 | unsigned bss_nu = 0; |
| 2758 | unsigned sgsn_nu = 0; |
| 2759 | |
| 2760 | const char *err_msg = NULL; |
| 2761 | const char *filter_re = "999999"; |
| 2762 | |
| 2763 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2764 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 2765 | |
| 2766 | bssgp_nsi = nsi; |
| 2767 | gbcfg.nsi = bssgp_nsi; |
| 2768 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 2769 | gbcfg.core_mcc = 123; |
| 2770 | gbcfg.core_mnc = 456; |
| 2771 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 2772 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2773 | gbcfg.patch_ptmsi = 1; |
| 2774 | gbcfg.acquire_imsi = 1; |
| 2775 | gbcfg.bss_ptmsi_state = 0; |
| 2776 | gbcfg.sgsn_tlli_state = 1; |
| 2777 | gbcfg.route_to_sgsn2 = 1; |
| 2778 | gbcfg.nsip_sgsn2_nsei = SGSN2_NSEI; |
| 2779 | |
| 2780 | if (gbproxy_set_patch_filter(&gbcfg, filter_re, &err_msg) != 0) { |
| 2781 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 2782 | err_msg); |
| 2783 | OSMO_ASSERT(err_msg == NULL); |
| 2784 | } |
| 2785 | |
| 2786 | configure_sgsn_peer(&sgsn_peer[0]); |
| 2787 | configure_sgsn2_peer(&sgsn_peer[1]); |
| 2788 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 2789 | |
| 2790 | printf("=== %s ===\n", __func__); |
| 2791 | printf("--- Initialise SGSN 1 ---\n\n"); |
| 2792 | |
| 2793 | connect_sgsn(nsi, &sgsn_peer[0], SGSN_NSEI); |
| 2794 | |
| 2795 | printf("--- Initialise SGSN 2 ---\n\n"); |
| 2796 | |
| 2797 | connect_sgsn(nsi, &sgsn_peer[1], SGSN2_NSEI); |
| 2798 | |
| 2799 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2800 | |
| 2801 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 2802 | setup_bssgp(nsi, &bss_peer[0], 0x0); |
| 2803 | send_bssgp_reset_ack(nsi, &sgsn_peer[0], 0x0); |
| 2804 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 2805 | send_bssgp_reset_ack(nsi, &sgsn_peer[0], 0x1002); |
| 2806 | send_bssgp_reset_ack(nsi, &sgsn_peer[1], 0x1002); |
| 2807 | |
| 2808 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2809 | OSMO_ASSERT(peer != NULL); |
| 2810 | |
| 2811 | gprs_dump_nsi(nsi); |
| 2812 | dump_global(stdout, 0); |
| 2813 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2814 | |
| 2815 | printf("--- Flow control ---\n\n"); |
| 2816 | |
| 2817 | send_bssgp_flow_control_bvc(nsi, &bss_peer[0], 0x1002, 1); |
| 2818 | send_bssgp_flow_control_bvc_ack(nsi, &sgsn_peer[0], 0x1002, 1); |
| 2819 | send_bssgp_flow_control_bvc_ack(nsi, &sgsn_peer[1], 0x1002, 1); |
| 2820 | |
| 2821 | printf("--- Establish GPRS connection (SGSN 1) ---\n\n"); |
| 2822 | |
| 2823 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2824 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2825 | GPRS_SAPI_GMM, bss_nu++, |
| 2826 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2827 | |
| 2828 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2829 | |
| 2830 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2831 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2832 | GPRS_SAPI_GMM, bss_nu++, |
| 2833 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2834 | |
| 2835 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2836 | |
| 2837 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer[0], 0x1002, |
| 2838 | random_sgsn_tlli, 0, NULL, 0, |
| 2839 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2840 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2841 | |
| 2842 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2843 | |
| 2844 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2845 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2846 | GPRS_SAPI_GMM, bss_nu++, |
| 2847 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2848 | |
| 2849 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2850 | |
| 2851 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer[0], 0x1002, |
| 2852 | random_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2853 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2854 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2855 | |
| 2856 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2857 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2858 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2859 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2860 | OSMO_ASSERT(link_info); |
| 2861 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2862 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2863 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2864 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2865 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2866 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2867 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2868 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2869 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2870 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2871 | |
| 2872 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2873 | local_bss_tlli, &rai_bss, cell_id, |
| 2874 | GPRS_SAPI_GMM, bss_nu++, |
| 2875 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2876 | |
| 2877 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2878 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2879 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2880 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2881 | OSMO_ASSERT(link_info); |
| 2882 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2883 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2884 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2885 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2886 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2887 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2888 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2889 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2890 | |
| 2891 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer[0], 0x1002, |
| 2892 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2893 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2894 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2895 | |
| 2896 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2897 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2898 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2899 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2900 | OSMO_ASSERT(link_info); |
| 2901 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2902 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2903 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2904 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2905 | |
| 2906 | /* Non-DTAP */ |
| 2907 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2908 | local_bss_tlli, &rai_bss, cell_id, |
| 2909 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2910 | |
| 2911 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer[0], 0x1002, |
| 2912 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2913 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2914 | |
| 2915 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2916 | local_bss_tlli, &rai_bss, cell_id, |
| 2917 | llc_ui_ll11_dns_query_ul, |
| 2918 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2919 | |
| 2920 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer[0], 0x1002, |
| 2921 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2922 | llc_ui_ll11_dns_resp_dl, |
| 2923 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2924 | |
| 2925 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2926 | |
| 2927 | /* Other messages */ |
| 2928 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
| 2929 | local_bss_tlli, 1, 12); |
| 2930 | |
| 2931 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2932 | |
| 2933 | send_bssgp_llc_discarded(nsi, &sgsn_peer[0], 0x1002, |
| 2934 | local_sgsn_tlli, 1, 12); |
| 2935 | |
| 2936 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2937 | |
| 2938 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli, &rai_bss); |
| 2939 | |
| 2940 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2941 | |
| 2942 | send_bssgp_suspend_ack(nsi, &sgsn_peer[0], local_sgsn_tlli, &rai_sgsn); |
| 2943 | |
| 2944 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2945 | |
| 2946 | printf("--- Establish GPRS connection (SGSN 2) ---\n\n"); |
| 2947 | |
| 2948 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2949 | foreign_bss_tlli2, &rai_unknown, cell_id, |
| 2950 | GPRS_SAPI_GMM, bss_nu++, |
| 2951 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2952 | |
| 2953 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2954 | |
| 2955 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2956 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 2957 | GPRS_SAPI_GMM, bss_nu++, |
| 2958 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 2959 | |
| 2960 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2961 | |
| 2962 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer[1], 0x1002, |
| 2963 | random_sgsn_tlli2, 0, NULL, 0, |
| 2964 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2965 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2966 | |
| 2967 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2968 | |
| 2969 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2970 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 2971 | GPRS_SAPI_GMM, bss_nu++, |
Jacob Erlbeck | 2bb4543 | 2014-09-17 12:05:08 +0200 | [diff] [blame] | 2972 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2973 | |
| 2974 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2975 | |
| 2976 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer[1], 0x1002, |
| 2977 | random_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 2978 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2979 | dtap_attach_acc2, sizeof(dtap_attach_acc2)); |
| 2980 | |
| 2981 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2982 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2983 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli2, SGSN_NSEI)); |
| 2984 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli2, SGSN2_NSEI); |
| 2985 | OSMO_ASSERT(link_info); |
| 2986 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 2987 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli2); |
| 2988 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2989 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2990 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi2); |
| 2991 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 2992 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 2993 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2994 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2995 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2996 | |
| 2997 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2998 | local_bss_tlli2, &rai_bss, cell_id, |
| 2999 | GPRS_SAPI_GMM, bss_nu++, |
| 3000 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3001 | |
| 3002 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3003 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3004 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI)); |
| 3005 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN2_NSEI); |
| 3006 | OSMO_ASSERT(link_info); |
| 3007 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 3008 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli2); |
| 3009 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 3010 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3011 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 3012 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 3013 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 3014 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3015 | |
| 3016 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer[1], 0x1002, |
| 3017 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3018 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3019 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3020 | |
| 3021 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3022 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3023 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI)); |
| 3024 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN2_NSEI); |
| 3025 | OSMO_ASSERT(link_info); |
| 3026 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli2); |
| 3027 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 3028 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli2); |
| 3029 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3030 | |
| 3031 | /* Non-DTAP */ |
| 3032 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 3033 | local_bss_tlli2, &rai_bss, cell_id, |
| 3034 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 3035 | |
| 3036 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer[1], 0x1002, |
| 3037 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3038 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 3039 | |
| 3040 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 3041 | local_bss_tlli2, &rai_bss, cell_id, |
| 3042 | llc_ui_ll11_dns_query_ul, |
| 3043 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 3044 | |
| 3045 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer[1], 0x1002, |
| 3046 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3047 | llc_ui_ll11_dns_resp_dl, |
| 3048 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 3049 | |
| 3050 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3051 | |
| 3052 | /* Other messages */ |
| 3053 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
| 3054 | local_bss_tlli2, 1, 12); |
| 3055 | |
| 3056 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3057 | |
| 3058 | send_bssgp_llc_discarded(nsi, &sgsn_peer[1], 0x1002, |
| 3059 | local_sgsn_tlli2, 1, 12); |
| 3060 | |
| 3061 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3062 | |
| 3063 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli2, &rai_bss); |
| 3064 | |
| 3065 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3066 | |
| 3067 | send_bssgp_suspend_ack(nsi, &sgsn_peer[1], local_sgsn_tlli2, &rai_sgsn); |
| 3068 | |
| 3069 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3070 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3071 | printf("--- Establish GPRS connection (SGSN 2, P-TMSI collision) ---\n\n"); |
| 3072 | |
| 3073 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3074 | foreign_bss_tlli3, &rai_unknown, cell_id, |
| 3075 | GPRS_SAPI_GMM, bss_nu++, |
| 3076 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3077 | |
| 3078 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3079 | |
| 3080 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3081 | foreign_bss_tlli3, &rai_bss, cell_id, |
| 3082 | GPRS_SAPI_GMM, bss_nu++, |
| 3083 | dtap_identity3_resp, sizeof(dtap_identity3_resp)); |
| 3084 | |
| 3085 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3086 | |
| 3087 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer[1], 0x1002, |
| 3088 | random_sgsn_tlli3, 0, NULL, 0, |
| 3089 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3090 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3091 | |
| 3092 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3093 | |
| 3094 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3095 | foreign_bss_tlli3, &rai_bss, cell_id, |
| 3096 | GPRS_SAPI_GMM, bss_nu++, |
| 3097 | dtap_identity3_resp, sizeof(dtap_identity3_resp)); |
| 3098 | |
| 3099 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3100 | |
| 3101 | send_llc_dl_ui(nsi, "ATTACH ACCEPT (P-TMSI 1)", &sgsn_peer[1], 0x1002, |
| 3102 | random_sgsn_tlli3, 1, imsi3, sizeof(imsi3), |
| 3103 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3104 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3105 | |
| 3106 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3107 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3108 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli3, SGSN_NSEI)); |
| 3109 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli3, SGSN2_NSEI); |
| 3110 | OSMO_ASSERT(link_info); |
| 3111 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 3112 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli3); |
| 3113 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 3114 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3115 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi3); |
| 3116 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 3117 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli3); |
| 3118 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 3119 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 3120 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3121 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3122 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3123 | local_bss_tlli3, &rai_bss, cell_id, |
| 3124 | GPRS_SAPI_GMM, bss_nu++, |
| 3125 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3126 | |
| 3127 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3128 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3129 | 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] | 3130 | OSMO_ASSERT(other_info); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3131 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI); |
| 3132 | OSMO_ASSERT(link_info); |
| 3133 | OSMO_ASSERT(link_info != other_info); |
| 3134 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 3135 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli3); |
| 3136 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 3137 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 3138 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 3139 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli3); |
| 3140 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 3141 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3142 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3143 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer[1], 0x1002, |
| 3144 | local_sgsn_tlli, 1, imsi3, sizeof(imsi3), |
| 3145 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3146 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3147 | |
| 3148 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3149 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3150 | 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] | 3151 | OSMO_ASSERT(other_info); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3152 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI); |
| 3153 | OSMO_ASSERT(link_info); |
| 3154 | OSMO_ASSERT(link_info != other_info); |
| 3155 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli3); |
| 3156 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 3157 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 3158 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 3159 | |
| 3160 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3161 | printf("--- Shutdown GPRS connection (SGSN 1) ---\n\n"); |
| 3162 | |
| 3163 | /* Detach */ |
| 3164 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 3165 | local_bss_tlli, &rai_bss, cell_id, |
| 3166 | GPRS_SAPI_GMM, bss_nu++, |
| 3167 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3168 | |
| 3169 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3170 | |
| 3171 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer[0], 0x1002, |
| 3172 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 3173 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3174 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3175 | |
| 3176 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3177 | |
| 3178 | printf("--- Shutdown GPRS connection (SGSN 2) ---\n\n"); |
| 3179 | |
| 3180 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 3181 | local_bss_tlli2, &rai_bss, cell_id, |
| 3182 | GPRS_SAPI_GMM, bss_nu++, |
| 3183 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3184 | |
| 3185 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3186 | |
| 3187 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer[1], 0x1002, |
| 3188 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 3189 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3190 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3191 | |
| 3192 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3193 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 3194 | printf("--- Shutdown GPRS connection (SGSN 2, P-TMSI 1) ---\n\n"); |
| 3195 | |
| 3196 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 3197 | local_bss_tlli3, &rai_bss, cell_id, |
| 3198 | GPRS_SAPI_GMM, bss_nu++, |
| 3199 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3200 | |
| 3201 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3202 | |
| 3203 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer[1], 0x1002, |
| 3204 | local_sgsn_tlli, 1, imsi3, sizeof(imsi3), |
| 3205 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3206 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3207 | |
| 3208 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3209 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3210 | dump_global(stdout, 0); |
| 3211 | |
| 3212 | gbprox_reset(&gbcfg); |
| 3213 | gprs_ns_destroy(nsi); |
| 3214 | nsi = NULL; |
| 3215 | } |
| 3216 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3217 | static void test_gbproxy_keep_info() |
| 3218 | { |
| 3219 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 3220 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 3221 | struct sockaddr_in sgsn_peer= {0}; |
| 3222 | struct gprs_ra_id rai_bss = |
| 3223 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 3224 | uint16_t cell_id = 0x1234; |
| 3225 | |
| 3226 | const uint32_t ptmsi = 0xefe2b700; |
| 3227 | const uint32_t local_tlli = 0xefe2b700; |
| 3228 | const uint32_t foreign_tlli = 0xafe2b700; |
| 3229 | |
| 3230 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3231 | struct gbproxy_link_info *link_info, *link_info2; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3232 | struct gbproxy_peer *peer; |
| 3233 | unsigned bss_nu = 0; |
| 3234 | unsigned sgsn_nu = 0; |
| 3235 | |
| 3236 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 3237 | |
| 3238 | bssgp_nsi = nsi; |
| 3239 | gbcfg.nsi = bssgp_nsi; |
| 3240 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 3241 | gbcfg.patch_ptmsi = 0; |
| 3242 | gbcfg.acquire_imsi = 1; |
| 3243 | gbcfg.bss_ptmsi_state = 0; |
| 3244 | gbcfg.sgsn_tlli_state = 1; |
| 3245 | gbcfg.core_mcc = 0; |
| 3246 | gbcfg.core_mnc = 0; |
| 3247 | gbcfg.core_apn = NULL; |
| 3248 | gbcfg.core_apn_size = 0; |
| 3249 | gbcfg.route_to_sgsn2 = 0; |
| 3250 | gbcfg.nsip_sgsn2_nsei = 0xffff; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3251 | gbcfg.keep_link_infos = GBPROX_KEEP_ALWAYS; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3252 | |
| 3253 | configure_sgsn_peer(&sgsn_peer); |
| 3254 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 3255 | |
| 3256 | printf("=== %s ===\n", __func__); |
| 3257 | printf("--- Initialise SGSN ---\n\n"); |
| 3258 | |
| 3259 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
| 3260 | |
| 3261 | printf("--- Initialise BSS 1 ---\n\n"); |
| 3262 | |
| 3263 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 3264 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 3265 | |
| 3266 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 3267 | OSMO_ASSERT(peer != NULL); |
| 3268 | |
| 3269 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 3270 | |
| 3271 | gprs_dump_nsi(nsi); |
| 3272 | dump_global(stdout, 0); |
| 3273 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3274 | |
| 3275 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 3276 | |
| 3277 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3278 | foreign_tlli, &rai_bss, cell_id, |
| 3279 | GPRS_SAPI_GMM, bss_nu++, |
| 3280 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3281 | |
| 3282 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3283 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3284 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3285 | OSMO_ASSERT(link_info); |
| 3286 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3287 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3288 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3289 | |
| 3290 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3291 | foreign_tlli, &rai_bss, cell_id, |
| 3292 | GPRS_SAPI_GMM, bss_nu++, |
| 3293 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3294 | |
| 3295 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3296 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3297 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3298 | OSMO_ASSERT(link_info); |
| 3299 | OSMO_ASSERT(link_info->imsi_len > 0); |
| 3300 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3301 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3302 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 3303 | foreign_tlli, 0, NULL, 0, |
| 3304 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3305 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3306 | |
| 3307 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3308 | |
| 3309 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3310 | foreign_tlli, &rai_bss, cell_id, |
| 3311 | GPRS_SAPI_GMM, bss_nu++, |
| 3312 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3313 | |
| 3314 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3315 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3316 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3317 | OSMO_ASSERT(link_info); |
| 3318 | OSMO_ASSERT(link_info->imsi_len > 0); |
| 3319 | OSMO_ASSERT(gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi))); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3320 | |
| 3321 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3322 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3323 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3324 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3325 | |
| 3326 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3327 | |
| 3328 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3329 | local_tlli, &rai_bss, cell_id, |
| 3330 | GPRS_SAPI_GMM, bss_nu++, |
| 3331 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3332 | |
| 3333 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3334 | |
| 3335 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 3336 | local_tlli, 1, imsi, sizeof(imsi), |
| 3337 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3338 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3339 | |
| 3340 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3341 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3342 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3343 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3344 | |
| 3345 | /* Detach (MO) */ |
| 3346 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 3347 | local_tlli, &rai_bss, cell_id, |
| 3348 | GPRS_SAPI_GMM, bss_nu++, |
| 3349 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3350 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3351 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3352 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3353 | |
| 3354 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3355 | |
| 3356 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3357 | local_tlli, 1, imsi, sizeof(imsi), |
| 3358 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3359 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3360 | |
| 3361 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3362 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3363 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3364 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3365 | OSMO_ASSERT(link_info); |
| 3366 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3367 | |
| 3368 | /* Re-Attach */ |
| 3369 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3370 | foreign_tlli, &rai_bss, cell_id, |
| 3371 | GPRS_SAPI_GMM, bss_nu++, |
| 3372 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3373 | |
| 3374 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3375 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3376 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3377 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3378 | OSMO_ASSERT(link_info); |
| 3379 | OSMO_ASSERT(link_info == link_info2); |
| 3380 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3381 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3382 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3383 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3384 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3385 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3386 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3387 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3388 | |
| 3389 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3390 | |
| 3391 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3392 | local_tlli, &rai_bss, cell_id, |
| 3393 | GPRS_SAPI_GMM, bss_nu++, |
| 3394 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3395 | |
| 3396 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3397 | |
| 3398 | /* Detach (MT) */ |
| 3399 | send_llc_dl_ui(nsi, "DETACH REQ (re-attach)", &sgsn_peer, 0x1002, |
| 3400 | local_tlli, 1, imsi, sizeof(imsi), |
| 3401 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3402 | dtap_mt_detach_rea_req, sizeof(dtap_mt_detach_rea_req)); |
| 3403 | |
| 3404 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3405 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3406 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3407 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3408 | |
| 3409 | send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3410 | local_tlli, &rai_bss, cell_id, |
| 3411 | GPRS_SAPI_GMM, bss_nu++, |
| 3412 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3413 | |
| 3414 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3415 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3416 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3417 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3418 | OSMO_ASSERT(link_info); |
| 3419 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3420 | |
| 3421 | /* Re-Attach */ |
| 3422 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3423 | foreign_tlli, &rai_bss, cell_id, |
| 3424 | GPRS_SAPI_GMM, bss_nu++, |
| 3425 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3426 | |
| 3427 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3428 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3429 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3430 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3431 | OSMO_ASSERT(link_info); |
| 3432 | OSMO_ASSERT(link_info == link_info2); |
| 3433 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3434 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3435 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3436 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3437 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3438 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3439 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3440 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3441 | |
| 3442 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3443 | |
| 3444 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3445 | local_tlli, &rai_bss, cell_id, |
| 3446 | GPRS_SAPI_GMM, bss_nu++, |
| 3447 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3448 | |
| 3449 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3450 | |
| 3451 | /* Detach (MT) */ |
| 3452 | send_llc_dl_ui(nsi, "DETACH REQ", &sgsn_peer, 0x1002, |
| 3453 | local_tlli, 1, imsi, sizeof(imsi), |
| 3454 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3455 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3456 | |
| 3457 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3458 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3459 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3460 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3461 | |
| 3462 | send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3463 | local_tlli, &rai_bss, cell_id, |
| 3464 | GPRS_SAPI_GMM, bss_nu++, |
| 3465 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3466 | |
| 3467 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3468 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3469 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3470 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3471 | OSMO_ASSERT(link_info); |
| 3472 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3473 | |
| 3474 | /* Re-Attach */ |
| 3475 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3476 | foreign_tlli, &rai_bss, cell_id, |
| 3477 | GPRS_SAPI_GMM, bss_nu++, |
| 3478 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3479 | |
| 3480 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3481 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3482 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3483 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3484 | OSMO_ASSERT(link_info); |
| 3485 | OSMO_ASSERT(link_info == link_info2); |
| 3486 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3487 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3488 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3489 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3490 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3491 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3492 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3493 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3494 | |
| 3495 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3496 | |
| 3497 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3498 | local_tlli, &rai_bss, cell_id, |
| 3499 | GPRS_SAPI_GMM, bss_nu++, |
| 3500 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3501 | |
| 3502 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3503 | |
| 3504 | /* RA update procedure (reject -> Detach) */ |
| 3505 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 3506 | local_tlli, &rai_bss, 0x7080, |
| 3507 | GPRS_SAPI_GMM, bss_nu++, |
| 3508 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 3509 | |
| 3510 | send_llc_dl_ui(nsi, "RA UDP REJ", &sgsn_peer, 0x1002, |
| 3511 | local_tlli, 1, imsi, sizeof(imsi), |
| 3512 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3513 | dtap_ra_upd_rej, sizeof(dtap_ra_upd_rej)); |
| 3514 | |
| 3515 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3516 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3517 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3518 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3519 | OSMO_ASSERT(link_info); |
| 3520 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3521 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3522 | /* Bad case: Re-Attach with wrong (initial) P-TMSI */ |
| 3523 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3524 | foreign_tlli, &rai_bss, cell_id, |
| 3525 | GPRS_SAPI_GMM, bss_nu++, |
| 3526 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3527 | |
| 3528 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3529 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3530 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3531 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3532 | OSMO_ASSERT(link_info); |
| 3533 | OSMO_ASSERT(link_info != link_info2); |
| 3534 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3535 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3536 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3537 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 3538 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3539 | foreign_tlli, &rai_bss, cell_id, |
| 3540 | GPRS_SAPI_GMM, bss_nu++, |
| 3541 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3542 | |
| 3543 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3544 | |
| 3545 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3546 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3547 | OSMO_ASSERT(link_info); |
| 3548 | OSMO_ASSERT(link_info == link_info2); |
| 3549 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3550 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3551 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3552 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3553 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3554 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3555 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3556 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3557 | |
| 3558 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3559 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3560 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3561 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3562 | OSMO_ASSERT(link_info); |
| 3563 | OSMO_ASSERT(link_info == link_info2); |
Jacob Erlbeck | ea71b48 | 2014-09-22 09:28:27 +0200 | [diff] [blame] | 3564 | OSMO_ASSERT(link_info->imsi_len > 0); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3565 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3566 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3567 | local_tlli, &rai_bss, cell_id, |
| 3568 | GPRS_SAPI_GMM, bss_nu++, |
| 3569 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3570 | |
| 3571 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3572 | |
| 3573 | /* Detach (MT) */ |
| 3574 | send_llc_dl_ui(nsi, "DETACH REQ", &sgsn_peer, 0x1002, |
| 3575 | local_tlli, 1, imsi, sizeof(imsi), |
| 3576 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3577 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3578 | |
| 3579 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3580 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3581 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3582 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3583 | |
| 3584 | send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3585 | local_tlli, &rai_bss, cell_id, |
| 3586 | GPRS_SAPI_GMM, bss_nu++, |
| 3587 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3588 | |
| 3589 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3590 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3591 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3592 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3593 | OSMO_ASSERT(link_info); |
| 3594 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3595 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 3596 | /* Attach rejected */ |
| 3597 | |
| 3598 | gbproxy_delete_link_infos(peer); |
| 3599 | |
| 3600 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3601 | foreign_tlli, &rai_bss, cell_id, |
| 3602 | GPRS_SAPI_GMM, bss_nu++, |
| 3603 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3604 | |
| 3605 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3606 | |
| 3607 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3608 | OSMO_ASSERT(link_info); |
| 3609 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3610 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3611 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 3612 | |
| 3613 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3614 | foreign_tlli, &rai_bss, cell_id, |
| 3615 | GPRS_SAPI_GMM, bss_nu++, |
| 3616 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3617 | |
| 3618 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3619 | |
| 3620 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3621 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3622 | OSMO_ASSERT(link_info); |
| 3623 | OSMO_ASSERT(link_info == link_info2); |
| 3624 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3625 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3626 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
| 3627 | |
| 3628 | send_llc_dl_ui(nsi, "ATTACH REJECT", &sgsn_peer, 0x1002, |
| 3629 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3630 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3631 | dtap_attach_rej7, sizeof(dtap_attach_rej7)); |
| 3632 | |
| 3633 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3634 | |
Jacob Erlbeck | 9c65c81 | 2014-09-22 10:42:05 +0200 | [diff] [blame] | 3635 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, foreign_tlli)); |
| 3636 | |
Jacob Erlbeck | 2bf3261 | 2014-09-22 11:26:58 +0200 | [diff] [blame] | 3637 | /* Attach (incomplete) and Detach (MO) */ |
| 3638 | |
| 3639 | gbproxy_delete_link_infos(peer); |
| 3640 | |
| 3641 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3642 | foreign_tlli, &rai_bss, cell_id, |
| 3643 | GPRS_SAPI_GMM, bss_nu++, |
| 3644 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3645 | |
| 3646 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3647 | |
| 3648 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3649 | OSMO_ASSERT(link_info); |
| 3650 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3651 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3652 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 3653 | |
| 3654 | send_llc_ul_ui(nsi, "DETACH REQ (MO)", &bss_peer[0], 0x1002, |
| 3655 | foreign_tlli, &rai_bss, cell_id, |
| 3656 | GPRS_SAPI_GMM, bss_nu++, |
| 3657 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3658 | |
| 3659 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3660 | |
| 3661 | /* Attach (incomplete) and Detach (MT) */ |
| 3662 | |
| 3663 | gbproxy_delete_link_infos(peer); |
| 3664 | |
| 3665 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3666 | foreign_tlli, &rai_bss, cell_id, |
| 3667 | GPRS_SAPI_GMM, bss_nu++, |
| 3668 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3669 | |
| 3670 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3671 | |
| 3672 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3673 | OSMO_ASSERT(link_info); |
| 3674 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3675 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3676 | OSMO_ASSERT(link_info->imsi_acq_pending); |
| 3677 | |
| 3678 | send_llc_dl_ui(nsi, "DETACH REQ (MT)", &sgsn_peer, 0x1002, |
| 3679 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3680 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3681 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3682 | |
| 3683 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3684 | |
| 3685 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3686 | OSMO_ASSERT(link_info); |
| 3687 | |
| 3688 | send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3689 | foreign_tlli, &rai_bss, cell_id, |
| 3690 | GPRS_SAPI_GMM, bss_nu++, |
| 3691 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3692 | |
| 3693 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3694 | |
| 3695 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, foreign_tlli)); |
| 3696 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3697 | OSMO_ASSERT(link_info); |
| 3698 | OSMO_ASSERT(link_info->is_deregistered); |
| 3699 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3700 | dump_global(stdout, 0); |
| 3701 | |
| 3702 | gbprox_reset(&gbcfg); |
| 3703 | gprs_ns_destroy(nsi); |
| 3704 | nsi = NULL; |
| 3705 | } |
| 3706 | |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3707 | /* TODO: Move tlv testing to libosmocore */ |
| 3708 | int v_fixed_shift(uint8_t **data, size_t *data_len, size_t len, uint8_t **value); |
| 3709 | int tv_fixed_match(uint8_t **data, size_t *data_len, uint8_t tag, size_t len, |
| 3710 | uint8_t **value); |
| 3711 | int tlv_match(uint8_t **data, size_t *data_len, uint8_t tag, uint8_t **value, |
| 3712 | size_t *value_len); |
| 3713 | int lv_shift(uint8_t **data, size_t *data_len, |
| 3714 | uint8_t **value, size_t *value_len); |
| 3715 | |
| 3716 | static void check_tlv_match(uint8_t **data, size_t *data_len, |
| 3717 | uint8_t tag, size_t exp_len, const uint8_t *exp_val) |
| 3718 | { |
| 3719 | uint8_t *value; |
| 3720 | size_t value_len; |
| 3721 | int rc; |
| 3722 | |
| 3723 | rc = tlv_match(data, data_len, tag ^ 1, NULL, NULL); |
| 3724 | OSMO_ASSERT(rc == 0); |
| 3725 | |
| 3726 | rc = tlv_match(data, data_len, tag, &value, &value_len); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3727 | OSMO_ASSERT(rc == (int)value_len + 2); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3728 | OSMO_ASSERT(value_len == exp_len); |
| 3729 | OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); |
| 3730 | } |
| 3731 | |
| 3732 | static void check_tv_fixed_match(uint8_t **data, size_t *data_len, |
| 3733 | uint8_t tag, size_t len, const uint8_t *exp_val) |
| 3734 | { |
| 3735 | uint8_t *value; |
| 3736 | int rc; |
| 3737 | |
| 3738 | rc = tv_fixed_match(data, data_len, tag ^ 1, len, NULL); |
| 3739 | OSMO_ASSERT(rc == 0); |
| 3740 | |
| 3741 | rc = tv_fixed_match(data, data_len, tag, len, &value); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3742 | OSMO_ASSERT(rc == (int)len + 1); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3743 | OSMO_ASSERT(memcmp(value, exp_val, len) == 0); |
| 3744 | } |
| 3745 | |
| 3746 | static void check_v_fixed_shift(uint8_t **data, size_t *data_len, |
| 3747 | size_t len, const uint8_t *exp_val) |
| 3748 | { |
| 3749 | uint8_t *value; |
| 3750 | int rc; |
| 3751 | |
| 3752 | rc = v_fixed_shift(data, data_len, len, &value); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3753 | OSMO_ASSERT(rc == (int)len); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3754 | OSMO_ASSERT(memcmp(value, exp_val, len) == 0); |
| 3755 | } |
| 3756 | |
| 3757 | static void check_lv_shift(uint8_t **data, size_t *data_len, |
| 3758 | size_t exp_len, const uint8_t *exp_val) |
| 3759 | { |
| 3760 | uint8_t *value; |
| 3761 | size_t value_len; |
| 3762 | int rc; |
| 3763 | |
| 3764 | rc = lv_shift(data, data_len, &value, &value_len); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3765 | OSMO_ASSERT(rc == (int)value_len + 1); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3766 | OSMO_ASSERT(value_len == exp_len); |
| 3767 | OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); |
| 3768 | } |
| 3769 | |
| 3770 | static void check_tlv_match_data_len(size_t data_len, uint8_t tag, size_t len, |
| 3771 | const uint8_t *test_data) |
| 3772 | { |
| 3773 | uint8_t buf[300] = {0}; |
| 3774 | |
| 3775 | uint8_t *unchanged_ptr = buf - 1; |
| 3776 | size_t unchanged_len = 0xdead; |
| 3777 | size_t tmp_data_len = data_len; |
| 3778 | uint8_t *value = unchanged_ptr; |
| 3779 | size_t value_len = unchanged_len; |
| 3780 | uint8_t *data = buf; |
| 3781 | |
| 3782 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 3783 | |
| 3784 | tlv_put(data, tag, len, test_data); |
| 3785 | if (data_len < len + 2) { |
| 3786 | OSMO_ASSERT(-1 == tlv_match(&data, &tmp_data_len, |
| 3787 | tag, &value, &value_len)); |
| 3788 | OSMO_ASSERT(tmp_data_len == 0); |
| 3789 | OSMO_ASSERT(data == buf + data_len); |
| 3790 | OSMO_ASSERT(value == unchanged_ptr); |
| 3791 | OSMO_ASSERT(value_len == unchanged_len); |
| 3792 | } else { |
| 3793 | OSMO_ASSERT(0 <= tlv_match(&data, &tmp_data_len, |
| 3794 | tag, &value, &value_len)); |
| 3795 | OSMO_ASSERT(value != unchanged_ptr); |
| 3796 | OSMO_ASSERT(value_len != unchanged_len); |
| 3797 | } |
| 3798 | } |
| 3799 | |
| 3800 | static void check_tv_fixed_match_data_len(size_t data_len, |
| 3801 | uint8_t tag, size_t len, |
| 3802 | const uint8_t *test_data) |
| 3803 | { |
| 3804 | uint8_t buf[300] = {0}; |
| 3805 | |
| 3806 | uint8_t *unchanged_ptr = buf - 1; |
| 3807 | size_t tmp_data_len = data_len; |
| 3808 | uint8_t *value = unchanged_ptr; |
| 3809 | uint8_t *data = buf; |
| 3810 | |
| 3811 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 3812 | |
| 3813 | tv_fixed_put(data, tag, len, test_data); |
| 3814 | |
| 3815 | if (data_len < len + 1) { |
| 3816 | OSMO_ASSERT(-1 == tv_fixed_match(&data, &tmp_data_len, |
| 3817 | tag, len, &value)); |
| 3818 | OSMO_ASSERT(tmp_data_len == 0); |
| 3819 | OSMO_ASSERT(data == buf + data_len); |
| 3820 | OSMO_ASSERT(value == unchanged_ptr); |
| 3821 | } else { |
| 3822 | OSMO_ASSERT(0 <= tv_fixed_match(&data, &tmp_data_len, |
| 3823 | tag, len, &value)); |
| 3824 | OSMO_ASSERT(value != unchanged_ptr); |
| 3825 | } |
| 3826 | } |
| 3827 | |
| 3828 | static void check_v_fixed_shift_data_len(size_t data_len, |
| 3829 | size_t len, const uint8_t *test_data) |
| 3830 | { |
| 3831 | uint8_t buf[300] = {0}; |
| 3832 | |
| 3833 | uint8_t *unchanged_ptr = buf - 1; |
| 3834 | size_t tmp_data_len = data_len; |
| 3835 | uint8_t *value = unchanged_ptr; |
| 3836 | uint8_t *data = buf; |
| 3837 | |
| 3838 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 3839 | |
| 3840 | memcpy(data, test_data, len); |
| 3841 | |
| 3842 | if (data_len < len) { |
| 3843 | OSMO_ASSERT(-1 == v_fixed_shift(&data, &tmp_data_len, |
| 3844 | len, &value)); |
| 3845 | OSMO_ASSERT(tmp_data_len == 0); |
| 3846 | OSMO_ASSERT(data == buf + data_len); |
| 3847 | OSMO_ASSERT(value == unchanged_ptr); |
| 3848 | } else { |
| 3849 | OSMO_ASSERT(0 <= v_fixed_shift(&data, &tmp_data_len, |
| 3850 | len, &value)); |
| 3851 | OSMO_ASSERT(value != unchanged_ptr); |
| 3852 | } |
| 3853 | } |
| 3854 | |
| 3855 | static void check_lv_shift_data_len(size_t data_len, |
| 3856 | size_t len, const uint8_t *test_data) |
| 3857 | { |
| 3858 | uint8_t buf[300] = {0}; |
| 3859 | |
| 3860 | uint8_t *unchanged_ptr = buf - 1; |
| 3861 | size_t unchanged_len = 0xdead; |
| 3862 | size_t tmp_data_len = data_len; |
| 3863 | uint8_t *value = unchanged_ptr; |
| 3864 | size_t value_len = unchanged_len; |
| 3865 | uint8_t *data = buf; |
| 3866 | |
| 3867 | lv_put(data, len, test_data); |
| 3868 | if (data_len < len + 1) { |
| 3869 | OSMO_ASSERT(-1 == lv_shift(&data, &tmp_data_len, |
| 3870 | &value, &value_len)); |
| 3871 | OSMO_ASSERT(tmp_data_len == 0); |
| 3872 | OSMO_ASSERT(data == buf + data_len); |
| 3873 | OSMO_ASSERT(value == unchanged_ptr); |
| 3874 | OSMO_ASSERT(value_len == unchanged_len); |
| 3875 | } else { |
| 3876 | OSMO_ASSERT(0 <= lv_shift(&data, &tmp_data_len, |
| 3877 | &value, &value_len)); |
| 3878 | OSMO_ASSERT(value != unchanged_ptr); |
| 3879 | OSMO_ASSERT(value_len != unchanged_len); |
| 3880 | } |
| 3881 | } |
| 3882 | |
| 3883 | static void test_tlv_shift_functions() |
| 3884 | { |
| 3885 | uint8_t test_data[1024]; |
| 3886 | uint8_t buf[1024]; |
| 3887 | uint8_t *data_end; |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3888 | unsigned i, len; |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3889 | uint8_t *data; |
| 3890 | size_t data_len; |
| 3891 | const uint8_t tag = 0x1a; |
| 3892 | |
| 3893 | printf("Test shift functions\n"); |
| 3894 | |
| 3895 | for (i = 0; i < ARRAY_SIZE(test_data); i++) |
| 3896 | test_data[i] = (uint8_t)i; |
| 3897 | |
| 3898 | for (len = 0; len < 256; len++) { |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3899 | const unsigned iterations = sizeof(buf) / (len + 2) / 4; |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3900 | |
| 3901 | memset(buf, 0xee, sizeof(buf)); |
| 3902 | data_end = data = buf; |
| 3903 | |
| 3904 | for (i = 0; i < iterations; i++) { |
| 3905 | data_end = tlv_put(data_end, tag, len, test_data); |
| 3906 | data_end = tv_fixed_put(data_end, tag, len, test_data); |
| 3907 | /* v_fixed_put */ |
| 3908 | memcpy(data_end, test_data, len); |
| 3909 | data_end += len; |
| 3910 | data_end = lv_put(data_end, len, test_data); |
| 3911 | } |
| 3912 | |
| 3913 | data_len = data_end - data; |
| 3914 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 3915 | |
| 3916 | for (i = 0; i < iterations; i++) { |
| 3917 | check_tlv_match(&data, &data_len, tag, len, test_data); |
| 3918 | check_tv_fixed_match(&data, &data_len, tag, len, test_data); |
| 3919 | check_v_fixed_shift(&data, &data_len, len, test_data); |
| 3920 | check_lv_shift(&data, &data_len, len, test_data); |
| 3921 | } |
| 3922 | |
| 3923 | OSMO_ASSERT(data == data_end); |
| 3924 | |
| 3925 | /* Test at end of data */ |
| 3926 | |
| 3927 | OSMO_ASSERT(-1 == tlv_match(&data, &data_len, tag, NULL, NULL)); |
| 3928 | OSMO_ASSERT(-1 == tv_fixed_match(&data, &data_len, tag, len, NULL)); |
| 3929 | OSMO_ASSERT((len ? -1 : 0) == v_fixed_shift(&data, &data_len, len, NULL)); |
| 3930 | OSMO_ASSERT(-1 == lv_shift(&data, &data_len, NULL, NULL)); |
| 3931 | |
| 3932 | /* Test invalid data_len */ |
| 3933 | for (data_len = 0; data_len <= len + 2 + 1; data_len += 1) { |
| 3934 | check_tlv_match_data_len(data_len, tag, len, test_data); |
| 3935 | check_tv_fixed_match_data_len(data_len, tag, len, test_data); |
| 3936 | check_v_fixed_shift_data_len(data_len, len, test_data); |
| 3937 | check_lv_shift_data_len(data_len, len, test_data); |
| 3938 | } |
| 3939 | } |
| 3940 | } |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3941 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3942 | struct gbproxy_link_info *register_tlli( |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3943 | struct gbproxy_peer *peer, uint32_t tlli, |
| 3944 | const uint8_t *imsi, size_t imsi_len, time_t now) |
| 3945 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3946 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 3947 | int imsi_matches = -1; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3948 | int tlli_already_known = 0; |
| 3949 | |
| 3950 | /* Check, whether the IMSI matches */ |
| 3951 | if (gprs_is_mi_imsi(imsi, imsi_len)) { |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 3952 | imsi_matches = gbproxy_check_imsi(peer, imsi, imsi_len); |
| 3953 | if (imsi_matches < 0) |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3954 | return NULL; |
| 3955 | } |
| 3956 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3957 | link_info = gbproxy_link_info_by_tlli(peer, tlli); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3958 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3959 | if (!link_info) { |
| 3960 | link_info = gbproxy_link_info_by_imsi(peer, imsi, imsi_len); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3961 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3962 | if (link_info) { |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3963 | /* TLLI has changed somehow, adjust it */ |
| 3964 | LOGP(DGPRS, LOGL_INFO, |
| 3965 | "The TLLI has changed from %08x to %08x\n", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3966 | link_info->tlli.current, tlli); |
| 3967 | link_info->tlli.current = tlli; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3968 | } |
| 3969 | } |
| 3970 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3971 | if (!link_info) { |
| 3972 | link_info = gbproxy_link_info_alloc(peer); |
| 3973 | link_info->tlli.current = tlli; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3974 | } else { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3975 | gbproxy_detach_link_info(peer, link_info); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3976 | tlli_already_known = 1; |
| 3977 | } |
| 3978 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3979 | OSMO_ASSERT(link_info != NULL); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3980 | |
| 3981 | if (!tlli_already_known) |
| 3982 | LOGP(DGPRS, LOGL_INFO, "Adding TLLI %08x to list\n", tlli); |
| 3983 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3984 | gbproxy_attach_link_info(peer, now, link_info); |
| 3985 | gbproxy_update_link_info(link_info, imsi, imsi_len); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3986 | |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 3987 | if (imsi_matches >= 0) |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3988 | link_info->imsi_matches = imsi_matches; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3989 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3990 | return link_info; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3991 | } |
| 3992 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3993 | static void test_gbproxy_tlli_expire(void) |
| 3994 | { |
| 3995 | struct gbproxy_config cfg = {0}; |
| 3996 | struct gbproxy_peer *peer; |
| 3997 | const char *err_msg = NULL; |
| 3998 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI, 0x23, 0x24, 0x25, 0x26 }; |
| 3999 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI, 0x26, 0x27, 0x28, 0x29 }; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4000 | 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] | 4001 | const uint32_t tlli1 = 1234 | 0xc0000000; |
| 4002 | const uint32_t tlli2 = 5678 | 0xc0000000; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4003 | const uint32_t tlli3 = 3456 | 0xc0000000; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4004 | const char *filter_re = ".*"; |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4005 | time_t now = 1407479214; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4006 | |
| 4007 | printf("Test TLLI info expiry\n\n"); |
| 4008 | |
| 4009 | gbproxy_init_config(&cfg); |
| 4010 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4011 | if (gbproxy_set_patch_filter(&cfg, filter_re, &err_msg) != 0) { |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4012 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 4013 | err_msg); |
| 4014 | OSMO_ASSERT(err_msg == NULL); |
| 4015 | } |
| 4016 | |
| 4017 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4018 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4019 | |
| 4020 | printf("Test TLLI replacement:\n"); |
| 4021 | |
| 4022 | cfg.tlli_max_len = 0; |
| 4023 | cfg.tlli_max_age = 0; |
| 4024 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4025 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4026 | |
| 4027 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4028 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4029 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4030 | OSMO_ASSERT(link_info); |
| 4031 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4032 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4033 | |
| 4034 | /* replace the old entry */ |
| 4035 | printf(" Add TLLI 2, IMSI 1 (should replace TLLI 1)\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4036 | link_info = register_tlli(peer, tlli2, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4037 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4038 | OSMO_ASSERT(link_info); |
| 4039 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4040 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4041 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4042 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4043 | |
| 4044 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4045 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4046 | OSMO_ASSERT(link_info); |
| 4047 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
| 4048 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4049 | OSMO_ASSERT(!link_info); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4050 | |
| 4051 | printf("\n"); |
| 4052 | |
| 4053 | gbproxy_peer_free(peer); |
| 4054 | } |
| 4055 | |
| 4056 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4057 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4058 | |
| 4059 | printf("Test IMSI replacement:\n"); |
| 4060 | |
| 4061 | cfg.tlli_max_len = 0; |
| 4062 | cfg.tlli_max_age = 0; |
| 4063 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4064 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4065 | |
| 4066 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4067 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4068 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4069 | OSMO_ASSERT(link_info); |
| 4070 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4071 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4072 | |
| 4073 | /* try to replace the old entry */ |
| 4074 | printf(" Add TLLI 1, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4075 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4076 | imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4077 | OSMO_ASSERT(link_info); |
| 4078 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4079 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4080 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4081 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4082 | |
| 4083 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4084 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4085 | OSMO_ASSERT(!link_info); |
| 4086 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4087 | OSMO_ASSERT(link_info); |
| 4088 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4089 | |
| 4090 | printf("\n"); |
| 4091 | |
| 4092 | gbproxy_peer_free(peer); |
| 4093 | } |
| 4094 | |
| 4095 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4096 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4097 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4098 | |
| 4099 | printf("Test TLLI expiry, max_len == 1:\n"); |
| 4100 | |
| 4101 | cfg.tlli_max_len = 1; |
| 4102 | cfg.tlli_max_age = 0; |
| 4103 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4104 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4105 | |
| 4106 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4107 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4108 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4109 | |
| 4110 | /* replace the old entry */ |
| 4111 | printf(" Add TLLI 2, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4112 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4113 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4114 | |
Jacob Erlbeck | 51fde08 | 2014-09-19 16:40:21 +0200 | [diff] [blame] | 4115 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 2); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4116 | OSMO_ASSERT(num_removed == 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4117 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4118 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 4119 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4120 | |
| 4121 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4122 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4123 | OSMO_ASSERT(!link_info); |
| 4124 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4125 | OSMO_ASSERT(link_info); |
| 4126 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4127 | |
| 4128 | printf("\n"); |
| 4129 | |
| 4130 | gbproxy_peer_free(peer); |
| 4131 | } |
| 4132 | |
| 4133 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4134 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 4135 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4136 | |
| 4137 | printf("Test TLLI expiry, max_age == 1:\n"); |
| 4138 | |
| 4139 | cfg.tlli_max_len = 0; |
| 4140 | cfg.tlli_max_age = 1; |
| 4141 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4142 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4143 | |
| 4144 | printf(" Add TLLI 1, IMSI 1 (should expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4145 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4146 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4147 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4148 | printf(" Add TLLI 2, IMSI 2 (should not expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4149 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4150 | now + 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4151 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4152 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4153 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4154 | OSMO_ASSERT(num_removed == 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4155 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4156 | |
| 4157 | dump_peers(stdout, 2, now + 2, &cfg); |
| 4158 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4159 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4160 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4161 | OSMO_ASSERT(!link_info); |
| 4162 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4163 | OSMO_ASSERT(link_info); |
| 4164 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4165 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4166 | printf("\n"); |
| 4167 | |
| 4168 | gbproxy_peer_free(peer); |
| 4169 | } |
| 4170 | |
| 4171 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4172 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4173 | int num_removed; |
| 4174 | |
| 4175 | printf("Test TLLI expiry, max_len == 2, max_age == 1:\n"); |
| 4176 | |
| 4177 | cfg.tlli_max_len = 0; |
| 4178 | cfg.tlli_max_age = 1; |
| 4179 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4180 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4181 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4182 | printf(" Add TLLI 1, IMSI 1 (should expire)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4183 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4184 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4185 | |
| 4186 | printf(" Add TLLI 2, IMSI 2 (should expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4187 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4188 | now + 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4189 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4190 | |
| 4191 | printf(" Add TLLI 3, IMSI 3 (should not expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 4192 | register_tlli(peer, tlli3, imsi3, ARRAY_SIZE(imsi3), |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4193 | now + 2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 4194 | OSMO_ASSERT(peer->patch_state.logical_link_count == 3); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4195 | |
| 4196 | dump_peers(stdout, 2, now + 2, &cfg); |
| 4197 | |
| 4198 | printf(" Remove stale TLLIs\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4199 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 3); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 4200 | OSMO_ASSERT(num_removed == 2); |
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 | dump_peers(stdout, 2, now + 2, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4204 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4205 | /* verify that tlli3 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 4206 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 4207 | OSMO_ASSERT(!link_info); |
| 4208 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 4209 | OSMO_ASSERT(!link_info); |
| 4210 | link_info = gbproxy_link_info_by_imsi(peer, imsi3, ARRAY_SIZE(imsi3)); |
| 4211 | OSMO_ASSERT(link_info); |
| 4212 | OSMO_ASSERT(link_info->tlli.current == tlli3); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 4213 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4214 | printf("\n"); |
| 4215 | |
| 4216 | gbproxy_peer_free(peer); |
| 4217 | } |
| 4218 | } |
| 4219 | |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4220 | static void test_gbproxy_imsi_matching(void) |
| 4221 | { |
| 4222 | struct gbproxy_config cfg = {0}; |
| 4223 | struct gbproxy_peer *peer; |
| 4224 | const char *err_msg = NULL; |
| 4225 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI | 0x10, 0x32, 0x54, 0xf6 }; |
| 4226 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 4227 | const uint8_t imsi3_bad[] = { GSM_MI_TYPE_IMSI | 0x10, 0xee, 0x54, 0xff }; |
| 4228 | const uint8_t tmsi1[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22, 0x33, 0x44 }; |
| 4229 | const uint8_t tmsi2_bad[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22 }; |
| 4230 | const uint8_t imei1[] = { GSM_MI_TYPE_IMEI | 0x10, 0x32, 0x54, 0xf6 }; |
| 4231 | const uint8_t imei2[] = { GSM_MI_TYPE_IMEI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 4232 | const char *filter_re1 = ".*"; |
| 4233 | const char *filter_re2 = "^1234"; |
| 4234 | const char *filter_re3 = "^4321"; |
| 4235 | const char *filter_re4_bad = "^12["; |
| 4236 | |
| 4237 | printf("=== Test IMSI/TMSI matching ===\n\n"); |
| 4238 | |
| 4239 | gbproxy_init_config(&cfg); |
| 4240 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 4241 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4242 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re1, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4243 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 4244 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4245 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4246 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 4247 | |
| 4248 | err_msg = NULL; |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4249 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re4_bad, &err_msg) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4250 | OSMO_ASSERT(err_msg != NULL); |
| 4251 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 4252 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4253 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4254 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 4255 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4256 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, NULL, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4257 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 4258 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4259 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
Jacob Erlbeck | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 4260 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 4261 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4262 | gbproxy_clear_patch_filter(&cfg); |
Jacob Erlbeck | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 4263 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 4264 | |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4265 | peer = gbproxy_peer_alloc(&cfg, 20); |
| 4266 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4267 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4268 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 4269 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4270 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi1, ARRAY_SIZE(imsi1)) == 1); |
| 4271 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi2, ARRAY_SIZE(imsi2)) == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4272 | /* imsi3_bad contains 0xE and 0xF digits, but the conversion function |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4273 | * 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] | 4274 | * case. */ |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4275 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == 0); |
| 4276 | OSMO_ASSERT(gbproxy_check_imsi(peer, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 4277 | OSMO_ASSERT(gbproxy_check_imsi(peer, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 4278 | OSMO_ASSERT(gbproxy_check_imsi(peer, imei1, ARRAY_SIZE(imei1)) == -1); |
| 4279 | OSMO_ASSERT(gbproxy_check_imsi(peer, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4280 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4281 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re3, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4282 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 4283 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 4284 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi1, ARRAY_SIZE(imsi1)) == 0); |
| 4285 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi2, ARRAY_SIZE(imsi2)) == 0); |
| 4286 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == 0); |
| 4287 | OSMO_ASSERT(gbproxy_check_imsi(peer, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 4288 | OSMO_ASSERT(gbproxy_check_imsi(peer, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 4289 | OSMO_ASSERT(gbproxy_check_imsi(peer, imei1, ARRAY_SIZE(imei1)) == -1); |
| 4290 | OSMO_ASSERT(gbproxy_check_imsi(peer, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4291 | |
| 4292 | /* TODO: Check correct length but wrong type with is_mi_tmsi */ |
| 4293 | |
| 4294 | gbproxy_peer_free(peer); |
| 4295 | } |
| 4296 | |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4297 | static struct log_info_cat gprs_categories[] = { |
| 4298 | [DGPRS] = { |
| 4299 | .name = "DGPRS", |
| 4300 | .description = "GPRS Packet Service", |
| 4301 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 4302 | }, |
| 4303 | [DNS] = { |
| 4304 | .name = "DNS", |
| 4305 | .description = "GPRS Network Service (NS)", |
| 4306 | .enabled = 1, .loglevel = LOGL_INFO, |
| 4307 | }, |
| 4308 | [DBSSGP] = { |
| 4309 | .name = "DBSSGP", |
| 4310 | .description = "GPRS BSS Gateway Protocol (BSSGP)", |
| 4311 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 4312 | }, |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4313 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4314 | |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4315 | static struct log_info info = { |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4316 | .cat = gprs_categories, |
| 4317 | .num_cat = ARRAY_SIZE(gprs_categories), |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 4318 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4319 | |
| 4320 | int main(int argc, char **argv) |
| 4321 | { |
| 4322 | osmo_init_logging(&info); |
| 4323 | log_set_use_color(osmo_stderr_target, 0); |
| 4324 | log_set_print_filename(osmo_stderr_target, 0); |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 4325 | osmo_signal_register_handler(SS_L_NS, &test_signal, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4326 | |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4327 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 4328 | log_set_log_level(osmo_stderr_target, LOGL_DEBUG); |
| 4329 | log_set_all_filter(osmo_stderr_target, 1); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4330 | |
| 4331 | rate_ctr_init(NULL); |
| 4332 | |
| 4333 | setlinebuf(stdout); |
| 4334 | |
| 4335 | printf("===== GbProxy test START\n"); |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 4336 | gbproxy_init_config(&gbcfg); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 4337 | test_tlv_shift_functions(); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4338 | test_gbproxy(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4339 | test_gbproxy_ident_changes(); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4340 | test_gbproxy_imsi_matching(); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 4341 | test_gbproxy_ptmsi_assignment(); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 4342 | test_gbproxy_ra_patching(); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 4343 | test_gbproxy_ptmsi_patching(); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 4344 | test_gbproxy_imsi_acquisition(); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 4345 | test_gbproxy_secondary_sgsn(); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4346 | test_gbproxy_keep_info(); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4347 | test_gbproxy_tlli_expire(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4348 | printf("===== GbProxy test END\n\n"); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4349 | |
| 4350 | exit(EXIT_SUCCESS); |
| 4351 | } |