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 | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 36 | #include <openbsc/debug.h> |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 37 | |
| 38 | #define REMOTE_BSS_ADDR 0x01020304 |
| 39 | #define REMOTE_SGSN_ADDR 0x05060708 |
| 40 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 41 | #define SGSN_NSEI 0x0100 |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 42 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 43 | #define REMOTE_SGSN2_ADDR 0x15161718 |
| 44 | #define SGSN2_NSEI 0x0102 |
| 45 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 46 | struct gbproxy_config gbcfg = {0}; |
| 47 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 48 | static int dump_global(FILE *stream, int indent) |
| 49 | { |
| 50 | unsigned int i; |
| 51 | const struct rate_ctr_group_desc *desc; |
| 52 | int rc; |
| 53 | |
| 54 | rc = fprintf(stream, "%*sGbproxy global:\n", indent, ""); |
| 55 | if (rc < 0) |
| 56 | return rc; |
| 57 | |
| 58 | desc = gbcfg.ctrg->desc; |
| 59 | |
| 60 | for (i = 0; i < desc->num_ctr; i++) { |
| 61 | struct rate_ctr *ctr = &gbcfg.ctrg->ctr[i]; |
| 62 | if (ctr->current) { |
| 63 | rc = fprintf(stream, "%*s %s: %llu\n", |
| 64 | indent, "", |
| 65 | desc->ctr_desc[i].description, |
| 66 | (long long)ctr->current); |
| 67 | |
| 68 | if (rc < 0) |
| 69 | return rc; |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | return 0; |
| 74 | } |
| 75 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 76 | static int dump_peers(FILE *stream, int indent, time_t now, |
| 77 | struct gbproxy_config *cfg) |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 78 | { |
Holger Hans Peter Freyther | 1ddd9e5 | 2014-08-04 11:35:32 +0200 | [diff] [blame] | 79 | struct gbproxy_peer *peer; |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 80 | struct gprs_ra_id raid; |
| 81 | unsigned int i; |
| 82 | const struct rate_ctr_group_desc *desc; |
| 83 | int rc; |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 84 | |
| 85 | rc = fprintf(stream, "%*sPeers:\n", indent, ""); |
| 86 | if (rc < 0) |
| 87 | return rc; |
| 88 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 89 | llist_for_each_entry(peer, &cfg->bts_peers, list) { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 90 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 1ddd9e5 | 2014-08-04 11:35:32 +0200 | [diff] [blame] | 91 | struct gbproxy_patch_state *state = &peer->patch_state; |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 92 | gsm48_parse_ra(&raid, peer->ra); |
| 93 | |
| 94 | rc = fprintf(stream, "%*s NSEI %u, BVCI %u, %sblocked, " |
| 95 | "RAI %u-%u-%u-%u\n", |
| 96 | indent, "", |
| 97 | peer->nsei, peer->bvci, |
| 98 | peer->blocked ? "" : "not ", |
| 99 | raid.mcc, raid.mnc, raid.lac, raid.rac); |
| 100 | |
| 101 | if (rc < 0) |
| 102 | return rc; |
| 103 | |
| 104 | desc = peer->ctrg->desc; |
| 105 | |
| 106 | for (i = 0; i < desc->num_ctr; i++) { |
| 107 | struct rate_ctr *ctr = &peer->ctrg->ctr[i]; |
| 108 | if (ctr->current) { |
| 109 | rc = fprintf(stream, "%*s %s: %llu\n", |
| 110 | indent, "", |
| 111 | desc->ctr_desc[i].description, |
| 112 | (long long)ctr->current); |
| 113 | |
| 114 | if (rc < 0) |
| 115 | return rc; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | fprintf(stream, "%*s TLLI-Cache: %d\n", |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 120 | indent, "", state->logical_link_count); |
| 121 | llist_for_each_entry(link_info, &state->logical_links, list) { |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 122 | char mi_buf[200]; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 123 | time_t age = now ? now - link_info->timestamp : 0; |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 124 | int stored_msgs = 0; |
| 125 | struct llist_head *iter; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 126 | llist_for_each(iter, &link_info->stored_msgs) |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 127 | stored_msgs++; |
| 128 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 129 | if (link_info->imsi_len > 0) { |
Jacob Erlbeck | 89d3d34 | 2014-08-06 18:55:15 +0200 | [diff] [blame] | 130 | snprintf(mi_buf, sizeof(mi_buf), "(invalid)"); |
| 131 | gsm48_mi_to_string(mi_buf, sizeof(mi_buf), |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 132 | link_info->imsi, |
| 133 | link_info->imsi_len); |
Jacob Erlbeck | 89d3d34 | 2014-08-06 18:55:15 +0200 | [diff] [blame] | 134 | } else { |
| 135 | snprintf(mi_buf, sizeof(mi_buf), "(none)"); |
| 136 | } |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 137 | fprintf(stream, "%*s TLLI %08x", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 138 | indent, "", link_info->tlli.current); |
| 139 | if (link_info->tlli.assigned) |
| 140 | fprintf(stream, "/%08x", link_info->tlli.assigned); |
| 141 | if (link_info->sgsn_tlli.current) { |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 142 | fprintf(stream, " -> %08x", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 143 | link_info->sgsn_tlli.current); |
| 144 | if (link_info->sgsn_tlli.assigned) |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 145 | fprintf(stream, "/%08x", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 146 | link_info->sgsn_tlli.assigned); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 147 | } |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 148 | fprintf(stream, ", IMSI %s, AGE %d", |
| 149 | mi_buf, (int)age); |
| 150 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 151 | if (stored_msgs) |
| 152 | fprintf(stream, ", STORED %d", stored_msgs); |
| 153 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 154 | if (cfg->check_imsi && link_info->imsi_matches) |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 155 | fprintf(stream, ", IMSI matches"); |
| 156 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 157 | if (link_info->imsi_acq_pending) |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 158 | fprintf(stream, ", IMSI acquisition in progress"); |
| 159 | |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 160 | if (cfg->route_to_sgsn2) |
| 161 | fprintf(stream, ", SGSN NSEI %d", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 162 | link_info->sgsn_nsei); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 163 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 164 | if (link_info->is_deregistered) |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 165 | fprintf(stream, ", DE-REGISTERED"); |
| 166 | |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 167 | rc = fprintf(stream, "\n"); |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 168 | if (rc < 0) |
| 169 | return rc; |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | return 0; |
| 174 | } |
| 175 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 176 | const uint8_t *convert_ra(struct gprs_ra_id *raid) |
| 177 | { |
| 178 | static uint8_t buf[6]; |
| 179 | gsm48_construct_ra(buf, raid); |
| 180 | return buf; |
| 181 | } |
| 182 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 183 | /* DTAP - Attach Request */ |
| 184 | static const unsigned char dtap_attach_req[] = { |
| 185 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 186 | 0x05, 0xf4, 0xfb, 0xc5, 0x46, 0x79, 0x11, 0x22, |
| 187 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 188 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 189 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 190 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 191 | }; |
| 192 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 193 | /* DTAP - Attach Request (invalid RAI) */ |
| 194 | static const unsigned char dtap_attach_req2[] = { |
| 195 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 196 | 0x05, 0xf4, 0xfb, 0x00, 0xbe, 0xef, 0x99, 0x99, |
| 197 | 0x99, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 198 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 199 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 200 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 201 | }; |
| 202 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 203 | /* DTAP - Attach Request (P-TMSI 0x3f32b700) */ |
| 204 | static const unsigned char dtap_attach_req3[] = { |
| 205 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 206 | 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x11, 0x22, |
| 207 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 208 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 209 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 210 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 211 | }; |
| 212 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 213 | /* DTAP - Identity Request */ |
| 214 | static const unsigned char dtap_identity_req[] = { |
| 215 | 0x08, 0x15, 0x01 |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 216 | }; |
| 217 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 218 | /* DTAP - Identity Response */ |
| 219 | static const unsigned char dtap_identity_resp[] = { |
| 220 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x13, 0x14, 0x15, |
| 221 | 0x16, 0x17, 0x18 |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 222 | }; |
| 223 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 224 | /* DTAP - Identity Response, IMSI 2 */ |
| 225 | static const unsigned char dtap_identity2_resp[] = { |
| 226 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x99, 0x99, 0x99, |
| 227 | 0x16, 0x17, 0x18 |
| 228 | }; |
| 229 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 230 | /* DTAP - Identity Response, IMSI 3 */ |
| 231 | static const unsigned char dtap_identity3_resp[] = { |
| 232 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x99, 0x99, 0x99, |
| 233 | 0x26, 0x27, 0x28 |
| 234 | }; |
| 235 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 236 | /* DTAP - Attach Accept */ |
| 237 | static const unsigned char dtap_attach_acc[] = { |
| 238 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 239 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 240 | 0x16, 0x18, 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 241 | }; |
| 242 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 243 | /* DTAP - Attach Accept, P-TMSI 2 */ |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 244 | static const unsigned char dtap_attach_acc2[] = { |
| 245 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 246 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 247 | 0x16, 0x18, 0x05, 0xf4, 0xe0, 0x98, 0x76, 0x54 |
| 248 | }; |
| 249 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 250 | /* DTAP - Attach Complete */ |
| 251 | static const unsigned char dtap_attach_complete[] = { |
| 252 | 0x08, 0x03 |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 253 | }; |
| 254 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 255 | /* DTAP - GMM Information */ |
| 256 | static const unsigned char dtap_gmm_information[] = { |
| 257 | 0x08, 0x21 |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 258 | }; |
| 259 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 260 | /* DTAP - Routing Area Update Request */ |
| 261 | static const unsigned char dtap_ra_upd_req[] = { |
| 262 | 0x08, 0x08, 0x10, 0x11, 0x22, 0x33, 0x40, 0x50, |
| 263 | 0x60, 0x1d, 0x19, 0x13, 0x42, 0x33, 0x57, 0x2b, |
| 264 | 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, 0x50, 0xc8, |
| 265 | 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, 0x48, 0x02, |
| 266 | 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, 0x00, 0x19, |
| 267 | 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, 0x07, 0x04, |
| 268 | 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, 0x20, 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 269 | }; |
| 270 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 271 | /* DTAP - Routing Area Update Accept */ |
| 272 | static const unsigned char dtap_ra_upd_acc[] = { |
| 273 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 274 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 275 | 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x17, 0x16, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 276 | }; |
| 277 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 278 | /* DTAP - Routing Area Update Accept, P-TMSI 2 */ |
| 279 | static const unsigned char dtap_ra_upd_acc2[] = { |
| 280 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 281 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 282 | 0x05, 0xf4, 0xe0, 0x98, 0x76, 0x54, 0x17, 0x16, |
| 283 | }; |
| 284 | |
| 285 | /* DTAP - Routing Area Update Accept, P-TMSI 3 */ |
| 286 | static const unsigned char dtap_ra_upd_acc3[] = { |
| 287 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 288 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 289 | 0x05, 0xf4, 0xe0, 0x54, 0x32, 0x10, 0x17, 0x16, |
| 290 | }; |
| 291 | |
| 292 | /* DTAP - Routing Area Update Complete */ |
| 293 | static const unsigned char dtap_ra_upd_complete[] = { |
| 294 | 0x08, 0x0a |
| 295 | }; |
| 296 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 297 | /* DTAP - Routing Area Update Reject */ |
| 298 | /* cause = 10 ("Implicitly detached"), force_standby = 0 */ |
| 299 | static const unsigned char dtap_ra_upd_rej[] = { |
| 300 | 0x08, 0x0b, 0x0a, 0x00, |
| 301 | }; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 302 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 303 | /* DTAP - Activate PDP Context Request */ |
| 304 | static const unsigned char dtap_act_pdp_ctx_req[] = { |
| 305 | 0x0a, 0x41, 0x05, 0x03, 0x0c, 0x00, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 306 | 0x00, 0x1f, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 307 | 0x00, 0x00, 0x00, 0x02, 0x01, 0x21, 0x28, 0x03, |
| 308 | 0x02, 0x61, 0x62, 0x27, 0x14, 0x80, 0x80, 0x21, |
| 309 | 0x10, 0x01, 0x00, 0x00, 0x10, 0x81, 0x06, 0x00, |
| 310 | 0x00, 0x00, 0x00, 0x83, 0x06, 0x00, 0x00, 0x00, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 311 | 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 312 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 313 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 314 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 315 | /* normal detach, power_off = 1 */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 316 | static const unsigned char dtap_detach_po_req[] = { |
| 317 | 0x08, 0x05, 0x09, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 318 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 319 | }; |
| 320 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 321 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 322 | /* normal detach, power_off = 0 */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 323 | static const unsigned char dtap_detach_req[] = { |
| 324 | 0x08, 0x05, 0x01, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 325 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 326 | }; |
| 327 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 328 | /* DTAP - Detach Accept (MO) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 329 | static const unsigned char dtap_detach_acc[] = { |
| 330 | 0x08, 0x06, 0x00 |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 331 | }; |
| 332 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 333 | /* DTAP - Detach Request (MT) */ |
| 334 | /* normal detach, reattach required, implicitly detached */ |
| 335 | static const unsigned char dtap_mt_detach_rea_req[] = { |
| 336 | 0x08, 0x05, 0x01, 0x25, 0x0a |
| 337 | }; |
| 338 | |
| 339 | /* DTAP - Detach Request (MT) */ |
| 340 | /* normal detach, reattach not required, implicitly detached */ |
| 341 | static const unsigned char dtap_mt_detach_req[] = { |
| 342 | 0x08, 0x05, 0x02, 0x25, 0x0a |
| 343 | }; |
| 344 | |
| 345 | /* DTAP - Detach Accept (MT) */ |
| 346 | static const unsigned char dtap_mt_detach_acc[] = { |
| 347 | 0x08, 0x06 |
| 348 | }; |
| 349 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 350 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 351 | static const unsigned char llc_u_xid_ul[] = { |
| 352 | 0x41, 0xfb, 0x01, 0x00, 0x0e, 0x00, 0x64, 0x11, |
| 353 | 0x05, 0x16, 0x01, 0x90, 0x66, 0xb3, 0x28 |
| 354 | }; |
| 355 | |
| 356 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 357 | static const unsigned char llc_u_xid_dl[] = { |
| 358 | 0x41, 0xfb, 0x30, 0x84, 0x10, 0x61, 0xb6, 0x64, |
| 359 | 0xe4, 0xa9, 0x1a, 0x9e |
| 360 | }; |
| 361 | |
| 362 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 363 | static const unsigned char llc_ui_ll11_dns_query_ul[] = { |
| 364 | 0x0b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 365 | 0x00, 0x00, 0x38, 0x95, 0x72, 0x00, 0x00, 0x45, |
| 366 | 0x11, 0x20, 0x85, 0x0a, 0xc0, 0x07, 0xe4, 0xac, |
| 367 | 0x10, 0x01, 0x0a, 0xad, 0xab, 0x00, 0x35, 0x00, |
| 368 | 0x24, 0x0e, 0x1c, 0x3b, 0xe0, 0x01, 0x00, 0x00, |
| 369 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 370 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 371 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0x47, |
| 372 | 0x8f, 0x07 |
| 373 | }; |
| 374 | |
| 375 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 376 | static const unsigned char llc_ui_ll11_dns_resp_dl[] = { |
| 377 | 0x4b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 378 | 0x00, 0x00, 0xc6, 0x00, 0x00, 0x40, 0x00, 0x3e, |
| 379 | 0x11, 0x7c, 0x69, 0xac, 0x10, 0x01, 0x0a, 0x0a, |
| 380 | 0xc0, 0x07, 0xe4, 0x00, 0x35, 0xad, 0xab, 0x00, |
| 381 | 0xb2, 0x74, 0x4e, 0x3b, 0xe0, 0x81, 0x80, 0x00, |
| 382 | 0x01, 0x00, 0x01, 0x00, 0x05, 0x00, 0x00, 0x01, |
| 383 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 384 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0xc0, |
| 385 | 0x0c, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 386 | 0x10, 0x00, 0x04, 0xc1, 0x63, 0x90, 0x58, 0xc0, |
| 387 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 388 | 0x10, 0x00, 0x16, 0x03, 0x6e, 0x73, 0x32, 0x0c, |
| 389 | 0x70, 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, |
| 390 | 0x6f, 0x76, 0x65, 0x72, 0x03, 0x6e, 0x65, 0x74, |
| 391 | 0x00, 0xc0, 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, |
| 392 | 0x00, 0x0e, 0x10, 0x00, 0x10, 0x02, 0x6e, 0x73, |
| 393 | 0x01, 0x73, 0x08, 0x70, 0x6c, 0x75, 0x73, 0x6c, |
| 394 | 0x69, 0x6e, 0x65, 0xc0, 0x14, 0xc0, 0x0e, 0x00, |
| 395 | 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, 0x00, |
| 396 | 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x0e, 0xc0, 0x0e, |
| 397 | 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, |
| 398 | 0x00, 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x5f, 0xc0, |
| 399 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 400 | 0x10, 0x00, 0x12, 0x02, 0x6e, 0x73, 0x0c, 0x70, |
| 401 | 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, 0x6f, |
| 402 | 0x76, 0x65, 0x72, 0xc0, 0x14, 0xaa, 0xdf, 0x31 |
| 403 | }; |
| 404 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 405 | static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, |
| 406 | struct sockaddr_in *peer, const unsigned char* data, |
| 407 | size_t data_len); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 408 | |
| 409 | static void send_ns_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 410 | enum ns_cause cause, uint16_t nsvci, uint16_t nsei) |
| 411 | { |
| 412 | /* GPRS Network Service, PDU type: NS_RESET, |
| 413 | */ |
| 414 | unsigned char msg[12] = { |
| 415 | 0x02, 0x00, 0x81, 0x01, 0x01, 0x82, 0x11, 0x22, |
| 416 | 0x04, 0x82, 0x11, 0x22 |
| 417 | }; |
| 418 | |
| 419 | msg[3] = cause; |
| 420 | msg[6] = nsvci / 256; |
| 421 | msg[7] = nsvci % 256; |
| 422 | msg[10] = nsei / 256; |
| 423 | msg[11] = nsei % 256; |
| 424 | |
| 425 | gprs_process_message(nsi, "RESET", src_addr, msg, sizeof(msg)); |
| 426 | } |
| 427 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 428 | static void send_ns_reset_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 429 | uint16_t nsvci, uint16_t nsei) |
| 430 | { |
| 431 | /* GPRS Network Service, PDU type: NS_RESET_ACK, |
| 432 | */ |
| 433 | unsigned char msg[9] = { |
| 434 | 0x03, 0x01, 0x82, 0x11, 0x22, |
| 435 | 0x04, 0x82, 0x11, 0x22 |
| 436 | }; |
| 437 | |
| 438 | msg[3] = nsvci / 256; |
| 439 | msg[4] = nsvci % 256; |
| 440 | msg[7] = nsei / 256; |
| 441 | msg[8] = nsei % 256; |
| 442 | |
| 443 | gprs_process_message(nsi, "RESET_ACK", src_addr, msg, sizeof(msg)); |
| 444 | } |
| 445 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 446 | static void send_ns_alive(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 447 | { |
| 448 | /* GPRS Network Service, PDU type: NS_ALIVE */ |
| 449 | unsigned char msg[1] = { |
| 450 | 0x0a |
| 451 | }; |
| 452 | |
| 453 | gprs_process_message(nsi, "ALIVE", src_addr, msg, sizeof(msg)); |
| 454 | } |
| 455 | |
| 456 | static void send_ns_alive_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 457 | { |
| 458 | /* GPRS Network Service, PDU type: NS_ALIVE_ACK */ |
| 459 | unsigned char msg[1] = { |
| 460 | 0x0b |
| 461 | }; |
| 462 | |
| 463 | gprs_process_message(nsi, "ALIVE_ACK", src_addr, msg, sizeof(msg)); |
| 464 | } |
| 465 | |
| 466 | static void send_ns_unblock(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 467 | { |
| 468 | /* GPRS Network Service, PDU type: NS_UNBLOCK */ |
| 469 | unsigned char msg[1] = { |
| 470 | 0x06 |
| 471 | }; |
| 472 | |
| 473 | gprs_process_message(nsi, "UNBLOCK", src_addr, msg, sizeof(msg)); |
| 474 | } |
| 475 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 476 | static void send_ns_unblock_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 477 | { |
| 478 | /* GPRS Network Service, PDU type: NS_UNBLOCK_ACK */ |
| 479 | unsigned char msg[1] = { |
| 480 | 0x07 |
| 481 | }; |
| 482 | |
| 483 | gprs_process_message(nsi, "UNBLOCK_ACK", src_addr, msg, sizeof(msg)); |
| 484 | } |
| 485 | |
| 486 | static void send_ns_unitdata(struct gprs_ns_inst *nsi, const char *text, |
| 487 | struct sockaddr_in *src_addr, uint16_t nsbvci, |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 488 | const unsigned char *bssgp_msg, size_t bssgp_msg_size) |
| 489 | { |
| 490 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 491 | unsigned char msg[4096] = { |
| 492 | 0x00, 0x00, 0x00, 0x00 |
| 493 | }; |
| 494 | |
| 495 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg) - 4); |
| 496 | |
| 497 | msg[2] = nsbvci / 256; |
| 498 | msg[3] = nsbvci % 256; |
| 499 | memcpy(msg + 4, bssgp_msg, bssgp_msg_size); |
| 500 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 501 | 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] | 502 | } |
| 503 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 504 | static void send_bssgp_ul_unitdata( |
| 505 | struct gprs_ns_inst *nsi, const char *text, |
| 506 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 507 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 508 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 509 | { |
| 510 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 511 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 512 | unsigned char msg[4096] = { |
| 513 | 0x01, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, |
| 514 | 0x08, 0x88, /* RAI */ 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 515 | /* CELL ID */ 0x00, 0x00, 0x00, 0x80, 0x0e, /* LLC LEN */ 0x00, 0x00, |
| 516 | }; |
| 517 | |
| 518 | size_t bssgp_msg_size = 23 + llc_msg_size; |
| 519 | |
| 520 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg)); |
| 521 | |
| 522 | gsm48_construct_ra(msg + 10, raid); |
| 523 | msg[1] = (uint8_t)(tlli >> 24); |
| 524 | msg[2] = (uint8_t)(tlli >> 16); |
| 525 | msg[3] = (uint8_t)(tlli >> 8); |
| 526 | msg[4] = (uint8_t)(tlli >> 0); |
| 527 | msg[16] = cell_id / 256; |
| 528 | msg[17] = cell_id % 256; |
| 529 | msg[21] = llc_msg_size / 256; |
| 530 | msg[22] = llc_msg_size % 256; |
| 531 | memcpy(msg + 23, llc_msg, llc_msg_size); |
| 532 | |
| 533 | send_ns_unitdata(nsi, text ? text : "BSSGP UL UNITDATA", |
| 534 | src_addr, nsbvci, msg, bssgp_msg_size); |
| 535 | } |
| 536 | |
| 537 | static void send_bssgp_dl_unitdata( |
| 538 | struct gprs_ns_inst *nsi, const char *text, |
| 539 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 540 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 541 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 542 | { |
| 543 | /* Base Station Subsystem GPRS Protocol: DL_UNITDATA */ |
| 544 | unsigned char msg[4096] = { |
| 545 | 0x00, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x20, |
| 546 | 0x16, 0x82, 0x02, 0x58, |
| 547 | }; |
| 548 | unsigned char racap_drx[] = { |
| 549 | 0x13, 0x99, 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, |
| 550 | 0x62, 0x00, 0x60, 0x80, 0x9a, 0xc2, 0xc6, 0x62, |
| 551 | 0x00, 0x60, 0x80, 0xba, 0xc8, 0xc6, 0x62, 0x00, |
| 552 | 0x60, 0x80, 0x00, 0x0a, 0x82, 0x08, 0x02 |
| 553 | }; |
| 554 | |
| 555 | size_t bssgp_msg_size = 0; |
| 556 | |
| 557 | OSMO_ASSERT(51 + imsi_size + llc_msg_size <= sizeof(msg)); |
| 558 | |
| 559 | msg[1] = (uint8_t)(tlli >> 24); |
| 560 | msg[2] = (uint8_t)(tlli >> 16); |
| 561 | msg[3] = (uint8_t)(tlli >> 8); |
| 562 | msg[4] = (uint8_t)(tlli >> 0); |
| 563 | |
| 564 | bssgp_msg_size = 12; |
| 565 | |
| 566 | if (with_racap_drx) { |
| 567 | memcpy(msg + bssgp_msg_size, racap_drx, sizeof(racap_drx)); |
| 568 | bssgp_msg_size += sizeof(racap_drx); |
| 569 | } |
| 570 | |
| 571 | if (imsi) { |
| 572 | OSMO_ASSERT(imsi_size <= 127); |
| 573 | msg[bssgp_msg_size] = BSSGP_IE_IMSI; |
| 574 | msg[bssgp_msg_size + 1] = 0x80 | imsi_size; |
| 575 | memcpy(msg + bssgp_msg_size + 2, imsi, imsi_size); |
| 576 | bssgp_msg_size += 2 + imsi_size; |
| 577 | } |
| 578 | |
| 579 | if ((bssgp_msg_size % 4) != 0) { |
| 580 | size_t abytes = (4 - (bssgp_msg_size + 2) % 4) % 4; |
| 581 | msg[bssgp_msg_size] = BSSGP_IE_ALIGNMENT; |
| 582 | msg[bssgp_msg_size + 1] = 0x80 | abytes; |
| 583 | memset(msg + bssgp_msg_size + 2, 0, abytes); |
| 584 | bssgp_msg_size += 2 + abytes; |
| 585 | } |
| 586 | |
| 587 | msg[bssgp_msg_size] = BSSGP_IE_LLC_PDU; |
| 588 | if (llc_msg_size < 128) { |
| 589 | msg[bssgp_msg_size + 1] = 0x80 | llc_msg_size; |
| 590 | bssgp_msg_size += 2; |
| 591 | } else { |
| 592 | msg[bssgp_msg_size + 1] = llc_msg_size / 256; |
| 593 | msg[bssgp_msg_size + 2] = llc_msg_size % 256; |
| 594 | bssgp_msg_size += 3; |
| 595 | } |
| 596 | memcpy(msg + bssgp_msg_size, llc_msg, llc_msg_size); |
| 597 | bssgp_msg_size += llc_msg_size; |
| 598 | |
| 599 | |
| 600 | send_ns_unitdata(nsi, text ? text : "BSSGP DL UNITDATA", |
| 601 | src_addr, nsbvci, msg, bssgp_msg_size); |
| 602 | } |
| 603 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 604 | static void send_bssgp_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 605 | uint16_t bvci) |
| 606 | { |
| 607 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 608 | * BSSGP RESET */ |
Jacob Erlbeck | da4b492 | 2014-08-06 12:38:10 +0200 | [diff] [blame] | 609 | unsigned char msg[18] = { |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 610 | 0x22, 0x04, 0x82, 0x4a, |
Jacob Erlbeck | def0391 | 2014-06-02 10:48:59 +0200 | [diff] [blame] | 611 | 0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x11, 0x22, |
| 612 | 0x33, 0x40, 0x50, 0x60, 0x10, 0x00 |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 613 | }; |
| 614 | |
| 615 | msg[3] = bvci / 256; |
| 616 | msg[4] = bvci % 256; |
| 617 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 618 | send_ns_unitdata(nsi, "BVC_RESET", src_addr, 0, msg, sizeof(msg)); |
| 619 | } |
| 620 | |
| 621 | static void send_bssgp_reset_ack(struct gprs_ns_inst *nsi, |
| 622 | struct sockaddr_in *src_addr, uint16_t bvci) |
| 623 | { |
| 624 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 625 | * BSSGP RESET_ACK */ |
| 626 | static unsigned char msg[5] = { |
| 627 | 0x23, 0x04, 0x82, 0x00, |
| 628 | 0x00 |
| 629 | }; |
| 630 | |
| 631 | msg[3] = bvci / 256; |
| 632 | msg[4] = bvci % 256; |
| 633 | |
| 634 | 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] | 635 | } |
| 636 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 637 | static void send_bssgp_suspend(struct gprs_ns_inst *nsi, |
| 638 | struct sockaddr_in *src_addr, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 639 | uint32_t tlli, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 640 | struct gprs_ra_id *raid) |
| 641 | { |
| 642 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 643 | unsigned char msg[15] = { |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 644 | 0x0b, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 645 | 0x86, /* RAI */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 646 | }; |
| 647 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 648 | msg[3] = (uint8_t)(tlli >> 24); |
| 649 | msg[4] = (uint8_t)(tlli >> 16); |
| 650 | msg[5] = (uint8_t)(tlli >> 8); |
| 651 | msg[6] = (uint8_t)(tlli >> 0); |
| 652 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 653 | gsm48_construct_ra(msg + 9, raid); |
| 654 | |
| 655 | send_ns_unitdata(nsi, "BVC_SUSPEND", src_addr, 0, msg, sizeof(msg)); |
| 656 | } |
| 657 | |
| 658 | static void send_bssgp_suspend_ack(struct gprs_ns_inst *nsi, |
| 659 | struct sockaddr_in *src_addr, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 660 | uint32_t tlli, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 661 | struct gprs_ra_id *raid) |
| 662 | { |
| 663 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND ACK */ |
| 664 | unsigned char msg[18] = { |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 665 | 0x0c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 666 | 0x86, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1d, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 667 | 0x81, 0x01 |
| 668 | }; |
| 669 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 670 | msg[3] = (uint8_t)(tlli >> 24); |
| 671 | msg[4] = (uint8_t)(tlli >> 16); |
| 672 | msg[5] = (uint8_t)(tlli >> 8); |
| 673 | msg[6] = (uint8_t)(tlli >> 0); |
| 674 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 675 | gsm48_construct_ra(msg + 9, raid); |
| 676 | |
| 677 | send_ns_unitdata(nsi, "BVC_SUSPEND_ACK", src_addr, 0, msg, sizeof(msg)); |
| 678 | } |
| 679 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 680 | static void send_bssgp_llc_discarded(struct gprs_ns_inst *nsi, |
| 681 | struct sockaddr_in *src_addr, |
| 682 | uint16_t bvci, uint32_t tlli, |
| 683 | unsigned n_frames, unsigned n_octets) |
| 684 | { |
| 685 | /* Base Station Subsystem GPRS Protocol: LLC-DISCARDED (0x2c) */ |
| 686 | unsigned char msg[] = { |
| 687 | 0x2c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x0f, |
| 688 | 0x81, /* n frames */ 0xff, 0x04, 0x82, /* BVCI */ 0xff, 0xff, 0x25, 0x83, |
| 689 | /* n octets */ 0xff, 0xff, 0xff |
| 690 | }; |
| 691 | |
| 692 | msg[3] = (uint8_t)(tlli >> 24); |
| 693 | msg[4] = (uint8_t)(tlli >> 16); |
| 694 | msg[5] = (uint8_t)(tlli >> 8); |
| 695 | msg[6] = (uint8_t)(tlli >> 0); |
| 696 | msg[9] = (uint8_t)(n_frames); |
| 697 | msg[12] = (uint8_t)(bvci >> 8); |
| 698 | msg[13] = (uint8_t)(bvci >> 0); |
| 699 | msg[16] = (uint8_t)(n_octets >> 16); |
| 700 | msg[17] = (uint8_t)(n_octets >> 8); |
| 701 | msg[18] = (uint8_t)(n_octets >> 0); |
| 702 | |
| 703 | send_ns_unitdata(nsi, "LLC_DISCARDED", src_addr, 0, msg, sizeof(msg)); |
| 704 | } |
| 705 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 706 | static void send_bssgp_flow_control_bvc(struct gprs_ns_inst *nsi, |
| 707 | struct sockaddr_in *src_addr, |
| 708 | uint16_t bvci, uint8_t tag) |
| 709 | { |
| 710 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 711 | * BSSGP FLOW_CONTROL_BVC */ |
| 712 | unsigned char msg[] = { |
| 713 | 0x26, 0x1e, 0x81, /* Tag */ 0xff, 0x05, 0x82, 0x01, 0xdc, |
| 714 | 0x03, 0x82, 0x02, 0x76, 0x01, 0x82, 0x00, 0x50, |
| 715 | 0x1c, 0x82, 0x02, 0x58, 0x06, 0x82, 0x00, 0x03 |
| 716 | }; |
| 717 | |
| 718 | msg[3] = tag; |
| 719 | |
| 720 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC", src_addr, bvci, |
| 721 | msg, sizeof(msg)); |
| 722 | } |
| 723 | |
| 724 | static void send_bssgp_flow_control_bvc_ack(struct gprs_ns_inst *nsi, |
| 725 | struct sockaddr_in *src_addr, |
| 726 | uint16_t bvci, uint8_t tag) |
| 727 | { |
| 728 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 729 | * BSSGP FLOW_CONTROL_BVC_ACK */ |
| 730 | unsigned char msg[] = { |
| 731 | 0x27, 0x1e, 0x81, /* Tag */ 0xce |
| 732 | }; |
| 733 | |
| 734 | msg[3] = tag; |
| 735 | |
| 736 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC_ACK", src_addr, bvci, |
| 737 | msg, sizeof(msg)); |
| 738 | } |
| 739 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 740 | static void send_llc_ul_ui( |
| 741 | struct gprs_ns_inst *nsi, const char *text, |
| 742 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 743 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 744 | unsigned sapi, unsigned nu, |
| 745 | const uint8_t *msg, size_t msg_size) |
| 746 | { |
| 747 | unsigned char llc_msg[4096] = { |
| 748 | 0x00, 0xc0, 0x01 |
| 749 | }; |
| 750 | |
| 751 | size_t llc_msg_size = 3 + msg_size + 3; |
| 752 | uint8_t e_bit = 0; |
| 753 | uint8_t pm_bit = 1; |
| 754 | unsigned fcs; |
| 755 | |
| 756 | nu &= 0x01ff; |
| 757 | |
| 758 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 759 | |
| 760 | llc_msg[0] = (sapi & 0x0f); |
| 761 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 762 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 763 | |
| 764 | memcpy(llc_msg + 3, msg, msg_size); |
| 765 | |
| 766 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 767 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 768 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 769 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 770 | |
| 771 | send_bssgp_ul_unitdata(nsi, text ? text : "LLC UI", |
| 772 | src_addr, nsbvci, tlli, raid, cell_id, |
| 773 | llc_msg, llc_msg_size); |
| 774 | } |
| 775 | |
| 776 | static void send_llc_dl_ui( |
| 777 | struct gprs_ns_inst *nsi, const char *text, |
| 778 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 779 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 780 | unsigned sapi, unsigned nu, |
| 781 | const uint8_t *msg, size_t msg_size) |
| 782 | { |
| 783 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 784 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 785 | unsigned char llc_msg[4096] = { |
| 786 | 0x00, 0x00, 0x01 |
| 787 | }; |
| 788 | |
| 789 | size_t llc_msg_size = 3 + msg_size + 3; |
| 790 | uint8_t e_bit = 0; |
| 791 | uint8_t pm_bit = 1; |
| 792 | unsigned fcs; |
| 793 | |
| 794 | nu &= 0x01ff; |
| 795 | |
| 796 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 797 | |
| 798 | llc_msg[0] = 0x40 | (sapi & 0x0f); |
| 799 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 800 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 801 | |
| 802 | memcpy(llc_msg + 3, msg, msg_size); |
| 803 | |
| 804 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 805 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 806 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 807 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 808 | |
| 809 | send_bssgp_dl_unitdata(nsi, text ? text : "LLC UI", |
| 810 | src_addr, nsbvci, tlli, |
| 811 | with_racap_drx, imsi, imsi_size, |
| 812 | llc_msg, llc_msg_size); |
| 813 | } |
| 814 | |
| 815 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 816 | static void setup_ns(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 817 | uint16_t nsvci, uint16_t nsei) |
| 818 | { |
| 819 | printf("Setup NS-VC: remote 0x%08x:%d, " |
| 820 | "NSVCI 0x%04x(%d), NSEI 0x%04x(%d)\n\n", |
| 821 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 822 | nsvci, nsvci, nsei, nsei); |
| 823 | |
| 824 | send_ns_reset(nsi, src_addr, NS_CAUSE_OM_INTERVENTION, nsvci, nsei); |
| 825 | send_ns_alive(nsi, src_addr); |
| 826 | send_ns_unblock(nsi, src_addr); |
| 827 | send_ns_alive_ack(nsi, src_addr); |
| 828 | } |
| 829 | |
| 830 | static void setup_bssgp(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 831 | uint16_t bvci) |
| 832 | { |
| 833 | printf("Setup BSSGP: remote 0x%08x:%d, " |
| 834 | "BVCI 0x%04x(%d)\n\n", |
| 835 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 836 | bvci, bvci); |
| 837 | |
| 838 | send_bssgp_reset(nsi, src_addr, bvci); |
| 839 | } |
| 840 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 841 | static void connect_sgsn(struct gprs_ns_inst *nsi, struct sockaddr_in *sgsn_peer, |
| 842 | uint32_t sgsn_nsei) |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 843 | { |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 844 | gprs_ns_nsip_connect(nsi, sgsn_peer, sgsn_nsei, sgsn_nsei+1); |
| 845 | send_ns_reset_ack(nsi, sgsn_peer, sgsn_nsei+1, sgsn_nsei); |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 846 | send_ns_alive_ack(nsi, sgsn_peer); |
| 847 | send_ns_unblock_ack(nsi, sgsn_peer); |
| 848 | send_ns_alive(nsi, sgsn_peer); |
| 849 | } |
| 850 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 851 | static void configure_sgsn_peer(struct sockaddr_in *sgsn_peer) |
| 852 | { |
| 853 | sgsn_peer->sin_family = AF_INET; |
| 854 | sgsn_peer->sin_port = htons(32000); |
| 855 | sgsn_peer->sin_addr.s_addr = htonl(REMOTE_SGSN_ADDR); |
| 856 | } |
| 857 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 858 | static void configure_sgsn2_peer(struct sockaddr_in *sgsn_peer) |
| 859 | { |
| 860 | sgsn_peer->sin_family = AF_INET; |
| 861 | sgsn_peer->sin_port = htons(32001); |
| 862 | sgsn_peer->sin_addr.s_addr = htonl(REMOTE_SGSN2_ADDR); |
| 863 | } |
| 864 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 865 | static void configure_bss_peers(struct sockaddr_in *bss_peers, size_t size) |
| 866 | { |
| 867 | size_t i; |
| 868 | |
| 869 | for (i = 0; i < size; ++i) { |
| 870 | bss_peers[i].sin_family = AF_INET; |
| 871 | bss_peers[i].sin_port = htons((i + 1) * 1111); |
| 872 | bss_peers[i].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR); |
| 873 | } |
| 874 | } |
| 875 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 876 | int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg, |
| 877 | struct sockaddr_in *saddr, enum gprs_ns_ll ll); |
| 878 | |
| 879 | /* override */ |
| 880 | int gprs_ns_callback(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, |
| 881 | struct msgb *msg, uint16_t bvci) |
| 882 | { |
| 883 | printf("CALLBACK, event %d, msg length %d, bvci 0x%04x\n%s\n\n", |
| 884 | event, msgb_bssgp_len(msg), bvci, |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 885 | osmo_hexdump(msgb_l2(msg), msgb_l2len(msg))); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 886 | |
| 887 | switch (event) { |
| 888 | case GPRS_NS_EVT_UNIT_DATA: |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 889 | return gbprox_rcvmsg(&gbcfg, msg, nsvc->nsei, bvci, nsvc->nsvci); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 890 | default: |
| 891 | break; |
| 892 | } |
| 893 | return 0; |
| 894 | } |
| 895 | |
| 896 | /* override */ |
| 897 | ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, |
| 898 | const struct sockaddr *dest_addr, socklen_t addrlen) |
| 899 | { |
| 900 | typedef ssize_t (*sendto_t)(int, const void *, size_t, int, |
| 901 | const struct sockaddr *, socklen_t); |
| 902 | static sendto_t real_sendto = NULL; |
| 903 | 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] | 904 | int dest_port = htons(((struct sockaddr_in *)dest_addr)->sin_port); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 905 | |
| 906 | if (!real_sendto) |
| 907 | real_sendto = dlsym(RTLD_NEXT, "sendto"); |
| 908 | |
| 909 | if (dest_host == REMOTE_BSS_ADDR) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 910 | printf("MESSAGE to BSS at 0x%08x:%d, msg length %d\n%s\n\n", |
| 911 | dest_host, dest_port, |
| 912 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 913 | else if (dest_host == REMOTE_SGSN_ADDR) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 914 | printf("MESSAGE to SGSN at 0x%08x:%d, msg length %d\n%s\n\n", |
| 915 | dest_host, dest_port, |
| 916 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 917 | else if (dest_host == REMOTE_SGSN2_ADDR) |
| 918 | printf("MESSAGE to SGSN 2 at 0x%08x:%d, msg length %d\n%s\n\n", |
| 919 | dest_host, dest_port, |
| 920 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 921 | else |
| 922 | return real_sendto(sockfd, buf, len, flags, dest_addr, addrlen); |
| 923 | |
| 924 | return len; |
| 925 | } |
| 926 | |
| 927 | /* override */ |
| 928 | int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg) |
| 929 | { |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 930 | typedef int (*gprs_ns_sendmsg_t)(struct gprs_ns_inst *nsi, struct msgb *msg); |
| 931 | static gprs_ns_sendmsg_t real_gprs_ns_sendmsg = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 932 | uint16_t bvci = msgb_bvci(msg); |
| 933 | uint16_t nsei = msgb_nsei(msg); |
| 934 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 935 | size_t len = msgb_length(msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 936 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 937 | if (!real_gprs_ns_sendmsg) |
| 938 | real_gprs_ns_sendmsg = dlsym(RTLD_NEXT, "gprs_ns_sendmsg"); |
| 939 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 940 | if (nsei == SGSN_NSEI) |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 941 | printf("NS UNITDATA MESSAGE to SGSN, BVCI 0x%04x, " |
| 942 | "msg length %d (%s)\n", |
| 943 | bvci, len, __func__); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 944 | else if (nsei == SGSN2_NSEI) |
| 945 | printf("NS UNITDATA MESSAGE to SGSN 2, BVCI 0x%04x, " |
| 946 | "msg length %d (%s)\n", |
| 947 | bvci, len, __func__); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 948 | else |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 949 | printf("NS UNITDATA MESSAGE to BSS, BVCI 0x%04x, " |
| 950 | "msg length %d (%s)\n", |
| 951 | bvci, len, __func__); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 952 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 953 | return real_gprs_ns_sendmsg(nsi, msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 954 | } |
| 955 | |
| 956 | static void dump_rate_ctr_group(FILE *stream, const char *prefix, |
| 957 | struct rate_ctr_group *ctrg) |
| 958 | { |
| 959 | unsigned int i; |
| 960 | |
| 961 | for (i = 0; i < ctrg->desc->num_ctr; i++) { |
| 962 | struct rate_ctr *ctr = &ctrg->ctr[i]; |
| 963 | if (ctr->current && !strchr(ctrg->desc->ctr_desc[i].name, '.')) |
| 964 | fprintf(stream, " %s%s: %llu%s", |
| 965 | prefix, ctrg->desc->ctr_desc[i].description, |
| 966 | (long long)ctr->current, |
| 967 | "\n"); |
| 968 | }; |
| 969 | } |
| 970 | |
| 971 | /* Signal handler for signals from NS layer */ |
| 972 | static int test_signal(unsigned int subsys, unsigned int signal, |
| 973 | void *handler_data, void *signal_data) |
| 974 | { |
| 975 | struct ns_signal_data *nssd = signal_data; |
| 976 | int rc; |
| 977 | |
| 978 | if (subsys != SS_L_NS) |
| 979 | return 0; |
| 980 | |
| 981 | switch (signal) { |
| 982 | case S_NS_RESET: |
| 983 | printf("==> got signal NS_RESET, NS-VC 0x%04x/%s\n", |
| 984 | nssd->nsvc->nsvci, |
| 985 | gprs_ns_ll_str(nssd->nsvc)); |
| 986 | break; |
| 987 | |
| 988 | case S_NS_ALIVE_EXP: |
| 989 | printf("==> got signal NS_ALIVE_EXP, NS-VC 0x%04x/%s\n", |
| 990 | nssd->nsvc->nsvci, |
| 991 | gprs_ns_ll_str(nssd->nsvc)); |
| 992 | break; |
| 993 | |
| 994 | case S_NS_BLOCK: |
| 995 | printf("==> got signal NS_BLOCK, NS-VC 0x%04x/%s\n", |
| 996 | nssd->nsvc->nsvci, |
| 997 | gprs_ns_ll_str(nssd->nsvc)); |
| 998 | break; |
| 999 | |
| 1000 | case S_NS_UNBLOCK: |
| 1001 | printf("==> got signal NS_UNBLOCK, NS-VC 0x%04x/%s\n", |
| 1002 | nssd->nsvc->nsvci, |
| 1003 | gprs_ns_ll_str(nssd->nsvc)); |
| 1004 | break; |
| 1005 | |
| 1006 | case S_NS_REPLACED: |
| 1007 | printf("==> got signal NS_REPLACED: 0x%04x/%s", |
| 1008 | nssd->nsvc->nsvci, |
| 1009 | gprs_ns_ll_str(nssd->nsvc)); |
| 1010 | printf(" -> 0x%04x/%s\n", |
| 1011 | nssd->old_nsvc->nsvci, |
| 1012 | gprs_ns_ll_str(nssd->old_nsvc)); |
| 1013 | break; |
| 1014 | |
| 1015 | default: |
| 1016 | printf("==> got signal %d, NS-VC 0x%04x/%s\n", signal, |
| 1017 | nssd->nsvc->nsvci, |
| 1018 | gprs_ns_ll_str(nssd->nsvc)); |
| 1019 | break; |
| 1020 | } |
| 1021 | printf("\n"); |
| 1022 | rc = gbprox_signal(subsys, signal, handler_data, signal_data); |
| 1023 | return rc; |
| 1024 | } |
| 1025 | |
| 1026 | 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) |
| 1027 | { |
| 1028 | struct msgb *msg; |
| 1029 | int ret; |
| 1030 | if (data_len > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) { |
| 1031 | fprintf(stderr, "message too long: %d\n", data_len); |
| 1032 | return -1; |
| 1033 | } |
| 1034 | |
| 1035 | msg = gprs_ns_msgb_alloc(); |
| 1036 | memmove(msg->data, data, data_len); |
| 1037 | msg->l2h = msg->data; |
| 1038 | msgb_put(msg, data_len); |
| 1039 | |
| 1040 | printf("PROCESSING %s from 0x%08x:%d\n%s\n\n", |
| 1041 | text, ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 1042 | osmo_hexdump(data, data_len)); |
| 1043 | |
| 1044 | ret = gprs_ns_rcvmsg(nsi, msg, peer, GPRS_NS_LL_UDP); |
| 1045 | |
| 1046 | printf("result (%s) = %d\n\n", text, ret); |
| 1047 | |
| 1048 | msgb_free(msg); |
| 1049 | |
| 1050 | return ret; |
| 1051 | } |
| 1052 | |
| 1053 | static void gprs_dump_nsi(struct gprs_ns_inst *nsi) |
| 1054 | { |
| 1055 | struct gprs_nsvc *nsvc; |
| 1056 | |
| 1057 | printf("Current NS-VCIs:\n"); |
| 1058 | llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) { |
| 1059 | struct sockaddr_in *peer = &(nsvc->ip.bts_addr); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1060 | 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] | 1061 | nsvc->nsvci, nsvc->nsei, |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1062 | ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 1063 | nsvc->state & NSE_S_BLOCKED ? ", blocked" : "", |
| 1064 | nsvc->state & NSE_S_ALIVE ? "" : ", dead" |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1065 | ); |
| 1066 | dump_rate_ctr_group(stdout, " ", nsvc->ctrg); |
| 1067 | } |
| 1068 | printf("\n"); |
| 1069 | } |
| 1070 | |
| 1071 | static void test_gbproxy() |
| 1072 | { |
| 1073 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1074 | struct sockaddr_in bss_peer[4] = {{0},}; |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1075 | struct sockaddr_in sgsn_peer= {0}; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1076 | |
| 1077 | bssgp_nsi = nsi; |
| 1078 | gbcfg.nsi = bssgp_nsi; |
| 1079 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1080 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1081 | configure_sgsn_peer(&sgsn_peer); |
| 1082 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1083 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1084 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1085 | printf("--- Initialise SGSN ---\n\n"); |
| 1086 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1087 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1088 | gprs_dump_nsi(nsi); |
| 1089 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1090 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1091 | |
| 1092 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1093 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1094 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1095 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1096 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1097 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1098 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1099 | printf("--- Initialise BSS 2 ---\n\n"); |
| 1100 | |
| 1101 | setup_ns(nsi, &bss_peer[1], 0x2001, 0x2000); |
| 1102 | setup_bssgp(nsi, &bss_peer[1], 0x2002); |
| 1103 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1104 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1105 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1106 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x2002); |
| 1107 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1108 | printf("--- Move BSS 1 to new port ---\n\n"); |
| 1109 | |
| 1110 | setup_ns(nsi, &bss_peer[2], 0x1001, 0x1000); |
| 1111 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1112 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1113 | |
| 1114 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 1115 | |
| 1116 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 1117 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1118 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1119 | |
| 1120 | printf("--- Move BSS 1 to current BSS 2 port ---\n\n"); |
| 1121 | |
| 1122 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 1123 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1124 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1125 | |
| 1126 | printf("--- Move BSS 2 to new port ---\n\n"); |
| 1127 | |
| 1128 | setup_ns(nsi, &bss_peer[3], 0x2001, 0x2000); |
| 1129 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1130 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1131 | |
| 1132 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 1133 | |
| 1134 | setup_ns(nsi, &bss_peer[2], 0x2001, 0x2000); |
| 1135 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1136 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1137 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1138 | printf("--- Move BSS 1 to original BSS 1 port ---\n\n"); |
| 1139 | |
| 1140 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1141 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1142 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1143 | |
| 1144 | printf("--- Reset BSS 1 with a new BVCI ---\n\n"); |
| 1145 | |
| 1146 | setup_bssgp(nsi, &bss_peer[0], 0x1012); |
| 1147 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1148 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1149 | |
| 1150 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1012); |
| 1151 | |
| 1152 | printf("--- Reset BSS 1 with the old BVCI ---\n\n"); |
| 1153 | |
| 1154 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1155 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1156 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1157 | |
| 1158 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1159 | |
| 1160 | printf("--- Reset BSS 1 with the old BVCI again ---\n\n"); |
| 1161 | |
| 1162 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1163 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1164 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1165 | |
| 1166 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1167 | |
| 1168 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1012 ---\n\n"); |
| 1169 | |
| 1170 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1171 | |
| 1172 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1012 ---\n\n"); |
| 1173 | |
| 1174 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1175 | |
| 1176 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1177 | |
| 1178 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1179 | |
| 1180 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1181 | |
| 1182 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1183 | |
| 1184 | printf("--- Send message from BSS 2 to SGSN, BVCI 0x2002 ---\n\n"); |
| 1185 | |
| 1186 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x2002, (uint8_t *)"", 0); |
| 1187 | |
| 1188 | printf("--- Send message from SGSN to BSS 2, BVCI 0x2002 ---\n\n"); |
| 1189 | |
| 1190 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x2002, (uint8_t *)"", 0); |
| 1191 | |
| 1192 | printf("--- Reset BSS 1 with the old BVCI on BSS2's link ---\n\n"); |
| 1193 | |
| 1194 | setup_bssgp(nsi, &bss_peer[2], 0x1002); |
| 1195 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1196 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1197 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1198 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1199 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1200 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1201 | |
| 1202 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1203 | |
| 1204 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1205 | |
| 1206 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1207 | |
| 1208 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1209 | |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1210 | printf("--- Send message from SGSN to BSS 1, BVCI 0x10ff (invalid) ---\n\n"); |
| 1211 | |
| 1212 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x10ff, (uint8_t *)"", 0); |
| 1213 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1214 | /* Find peer */ |
| 1215 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0xeeee) == NULL); |
| 1216 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0x1000) == NULL); |
| 1217 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0x1012) != NULL); |
| 1218 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0xeeee) == NULL); |
| 1219 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0x1012) == NULL); |
| 1220 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0x1000) != NULL); |
| 1221 | |
| 1222 | |
| 1223 | /* Cleanup */ |
| 1224 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0, 0) == 0); |
| 1225 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0xeeee) == 0); |
| 1226 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0, 0x1002) == 0); |
| 1227 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0x1012) == 1); |
| 1228 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0x1012) == 0); |
| 1229 | |
| 1230 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1231 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1232 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1233 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1234 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1235 | gprs_ns_destroy(nsi); |
| 1236 | nsi = NULL; |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1237 | } |
| 1238 | |
| 1239 | static void test_gbproxy_ident_changes() |
| 1240 | { |
| 1241 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1242 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1243 | struct sockaddr_in sgsn_peer= {0}; |
| 1244 | uint16_t nsei[2] = {0x1000, 0x2000}; |
| 1245 | uint16_t nsvci[2] = {0x1001, 0x2001}; |
| 1246 | uint16_t bvci[4] = {0x1002, 0x2002, 0x3002, 0x4002}; |
| 1247 | |
| 1248 | bssgp_nsi = nsi; |
| 1249 | gbcfg.nsi = bssgp_nsi; |
| 1250 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1251 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1252 | configure_sgsn_peer(&sgsn_peer); |
| 1253 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1254 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1255 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1256 | printf("--- Initialise SGSN ---\n\n"); |
| 1257 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1258 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1259 | gprs_dump_nsi(nsi); |
| 1260 | |
| 1261 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1262 | |
| 1263 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[0]); |
| 1264 | gprs_dump_nsi(nsi); |
| 1265 | |
| 1266 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1267 | |
| 1268 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1269 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1270 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1271 | |
| 1272 | printf("--- Setup BVCI 2 ---\n\n"); |
| 1273 | |
| 1274 | setup_bssgp(nsi, &bss_peer[0], bvci[1]); |
| 1275 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[1]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1276 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1277 | |
| 1278 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1279 | |
| 1280 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1281 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1282 | |
| 1283 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 ---\n\n"); |
| 1284 | |
| 1285 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
| 1286 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
| 1287 | |
| 1288 | printf("--- Change NSEI ---\n\n"); |
| 1289 | |
| 1290 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[1]); |
| 1291 | gprs_dump_nsi(nsi); |
| 1292 | |
| 1293 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1294 | |
| 1295 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1296 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1297 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1298 | |
| 1299 | printf("--- Setup BVCI 3 ---\n\n"); |
| 1300 | |
| 1301 | setup_bssgp(nsi, &bss_peer[0], bvci[2]); |
| 1302 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[2]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1303 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1304 | |
| 1305 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1306 | |
| 1307 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1308 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1309 | |
| 1310 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1311 | " (should fail) ---\n\n"); |
| 1312 | |
| 1313 | 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] | 1314 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1315 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1316 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1317 | |
| 1318 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1319 | |
| 1320 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 1321 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 1322 | |
| 1323 | printf("--- Change NSVCI ---\n\n"); |
| 1324 | |
| 1325 | setup_ns(nsi, &bss_peer[0], nsvci[1], nsei[1]); |
| 1326 | gprs_dump_nsi(nsi); |
| 1327 | |
| 1328 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1329 | |
| 1330 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1331 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1332 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1333 | |
| 1334 | printf("--- Setup BVCI 4 ---\n\n"); |
| 1335 | |
| 1336 | setup_bssgp(nsi, &bss_peer[0], bvci[3]); |
| 1337 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[3]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1338 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1339 | |
| 1340 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1341 | |
| 1342 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1343 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1344 | |
| 1345 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1346 | " (should fail) ---\n\n"); |
| 1347 | |
| 1348 | 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] | 1349 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1350 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1351 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1352 | |
| 1353 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1354 | |
| 1355 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 1356 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 1357 | |
| 1358 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 4 ---\n\n"); |
| 1359 | |
| 1360 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[3], (uint8_t *)"", 0); |
| 1361 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[3], (uint8_t *)"", 0); |
| 1362 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1363 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1364 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1365 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1366 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1367 | gprs_ns_destroy(nsi); |
| 1368 | nsi = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1369 | } |
| 1370 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1371 | static void test_gbproxy_ra_patching() |
| 1372 | { |
| 1373 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1374 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1375 | struct sockaddr_in sgsn_peer= {0}; |
| 1376 | struct gprs_ra_id rai_bss = |
| 1377 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1378 | struct gprs_ra_id rai_sgsn = |
| 1379 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 1380 | struct gprs_ra_id rai_unknown = |
| 1381 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1382 | uint16_t cell_id = 0x7530; |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1383 | const char *err_msg = NULL; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1384 | const uint32_t ptmsi = 0xefe2b700; |
| 1385 | const uint32_t local_tlli = 0xefe2b700; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1386 | const uint32_t foreign_tlli = 0xbbc54679; |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1387 | const uint32_t foreign_tlli2 = 0xbb00beef; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1388 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1389 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1390 | struct gbproxy_peer *peer; |
| 1391 | |
| 1392 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1393 | |
| 1394 | bssgp_nsi = nsi; |
| 1395 | gbcfg.nsi = bssgp_nsi; |
| 1396 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Jacob Erlbeck | 67a4445 | 2014-05-19 10:14:58 +0200 | [diff] [blame] | 1397 | gbcfg.core_mcc = 123; |
| 1398 | gbcfg.core_mnc = 456; |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1399 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
Holger Hans Peter Freyther | ce1b22e | 2014-08-04 14:22:13 +0200 | [diff] [blame] | 1400 | 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] | 1401 | gbcfg.patch_ptmsi = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1402 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1403 | configure_sgsn_peer(&sgsn_peer); |
| 1404 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1405 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1406 | gbcfg.match_re = talloc_strdup(NULL, "^9898|^121314"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 1407 | if (gbproxy_set_patch_filter(&gbcfg, gbcfg.match_re, &err_msg) != 0) { |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1408 | fprintf(stderr, "Failed to compile RE '%s': %s\n", |
| 1409 | gbcfg.match_re, err_msg); |
| 1410 | exit(1); |
| 1411 | } |
| 1412 | |
| 1413 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1414 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1415 | printf("--- Initialise SGSN ---\n\n"); |
| 1416 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1417 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1418 | gprs_dump_nsi(nsi); |
| 1419 | |
| 1420 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1421 | |
| 1422 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1423 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1424 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1425 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1426 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 1427 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1428 | OSMO_ASSERT(peer != NULL); |
| 1429 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1430 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1431 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1432 | send_bssgp_suspend(nsi, &bss_peer[0], 0xccd1758b, &rai_bss); |
| 1433 | send_bssgp_suspend_ack(nsi, &sgsn_peer, 0xccd1758b, &rai_sgsn); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1434 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1435 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1436 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1437 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1438 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1439 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1440 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1441 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1442 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1443 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 1444 | foreign_tlli, &rai_bss, cell_id, |
| 1445 | GPRS_SAPI_GMM, 0, |
| 1446 | dtap_attach_req, sizeof(dtap_attach_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1447 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1448 | OSMO_ASSERT(4 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1449 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1450 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 1451 | foreign_tlli, 0, NULL, 0, |
| 1452 | GPRS_SAPI_GMM, 0, |
| 1453 | dtap_identity_req, sizeof(dtap_identity_req)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1454 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1455 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 1456 | foreign_tlli, &rai_bss, cell_id, |
| 1457 | GPRS_SAPI_GMM, 3, |
| 1458 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1459 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1460 | OSMO_ASSERT(5 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1461 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1462 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1463 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 1464 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1465 | GPRS_SAPI_GMM, 1, |
| 1466 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1467 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1468 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1469 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1470 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1471 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1472 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1473 | |
| 1474 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1475 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1476 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1477 | |
| 1478 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1479 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_sgsn)) != NULL); |
| 1480 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1481 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1482 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1483 | OSMO_ASSERT(link_info); |
| 1484 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1485 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1486 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1487 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1488 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1489 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1490 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 1491 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1492 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1493 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 1494 | local_tlli, &rai_bss, cell_id, |
| 1495 | GPRS_SAPI_GMM, 4, |
| 1496 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1497 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1498 | OSMO_ASSERT(6 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1499 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1500 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1501 | OSMO_ASSERT(link_info); |
| 1502 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1503 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1504 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1505 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1506 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1507 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1508 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1509 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1510 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1511 | /* Replace APN (1) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1512 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 1513 | local_tlli, &rai_bss, cell_id, |
| 1514 | GPRS_SAPI_GMM, 3, |
| 1515 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1516 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1517 | OSMO_ASSERT(7 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1518 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1519 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1520 | OSMO_ASSERT(link_info); |
| 1521 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1522 | OSMO_ASSERT(link_info->tlli.current != local_tlli); |
| 1523 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1524 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1525 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_tlli); |
| 1526 | OSMO_ASSERT(link_info->sgsn_tlli.current != local_tlli); |
| 1527 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1528 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1529 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1530 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1531 | local_tlli, 1, imsi, sizeof(imsi), |
| 1532 | GPRS_SAPI_GMM, 2, |
| 1533 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 1534 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1535 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1536 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1537 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_tlli, SGSN_NSEI); |
| 1538 | OSMO_ASSERT(link_info); |
| 1539 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1540 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1541 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
| 1542 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1543 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1544 | /* Replace APN (2) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1545 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 1546 | local_tlli, &rai_bss, cell_id, |
| 1547 | GPRS_SAPI_GMM, 3, |
| 1548 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1549 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1550 | OSMO_ASSERT(8 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1551 | |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1552 | gbcfg.core_apn[0] = 0; |
| 1553 | gbcfg.core_apn_size = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1554 | |
| 1555 | /* Remove APN */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1556 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", &bss_peer[0], 0x1002, |
| 1557 | local_tlli, &rai_bss, cell_id, |
| 1558 | GPRS_SAPI_GMM, 3, |
| 1559 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1560 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1561 | OSMO_ASSERT(9 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1562 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1563 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1564 | |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1565 | /* Detach */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1566 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 1567 | local_tlli, &rai_bss, cell_id, |
| 1568 | GPRS_SAPI_GMM, 6, |
| 1569 | dtap_detach_req, sizeof(dtap_detach_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1570 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1571 | OSMO_ASSERT(10 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1572 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1573 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1574 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 1575 | local_tlli, 1, imsi, sizeof(imsi), |
| 1576 | GPRS_SAPI_GMM, 5, |
| 1577 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1578 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1579 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1580 | |
| 1581 | printf("--- RA update ---\n\n"); |
| 1582 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1583 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 1584 | foreign_tlli, &rai_bss, 0x7080, |
| 1585 | GPRS_SAPI_GMM, 5, |
| 1586 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1587 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1588 | OSMO_ASSERT(12 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1589 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1590 | send_llc_dl_ui(nsi, "RA UPD ACC", &sgsn_peer, 0x1002, |
| 1591 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1592 | GPRS_SAPI_GMM, 6, |
| 1593 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1594 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1595 | OSMO_ASSERT(3 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1596 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1597 | /* Remove APN */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1598 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", &bss_peer[0], 0x1002, |
| 1599 | local_tlli, &rai_bss, cell_id, |
| 1600 | GPRS_SAPI_GMM, 3, |
| 1601 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1602 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1603 | OSMO_ASSERT(13 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1604 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1605 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1606 | |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 1607 | /* Detach (power off -> no Detach Accept) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1608 | send_llc_ul_ui(nsi, "DETACH REQ (PWR OFF)", &bss_peer[0], 0x1002, |
| 1609 | local_tlli, &rai_bss, cell_id, |
| 1610 | GPRS_SAPI_GMM, 6, |
| 1611 | dtap_detach_po_req, sizeof(dtap_detach_po_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1612 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1613 | OSMO_ASSERT(14 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1614 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1615 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1616 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1617 | |
| 1618 | printf("--- Bad cases ---\n\n"); |
| 1619 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1620 | /* The RAI in the Attach Request message differs from the RAI in the |
| 1621 | * BSSGP message, only patch the latter */ |
| 1622 | |
| 1623 | send_llc_ul_ui(nsi, "ATTACH REQUEST (foreign RAI)", &bss_peer[0], 0x1002, |
| 1624 | foreign_tlli2, &rai_bss, cell_id, |
| 1625 | GPRS_SAPI_GMM, 0, |
| 1626 | dtap_attach_req2, sizeof(dtap_attach_req2)); |
| 1627 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1628 | OSMO_ASSERT(15 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1629 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1630 | printf("TLLI is already detached, shouldn't patch\n"); |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1631 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ", &bss_peer[0], 0x1002, |
| 1632 | local_tlli, &rai_bss, cell_id, |
| 1633 | GPRS_SAPI_GMM, 3, |
| 1634 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1635 | |
Jacob Erlbeck | 006c038 | 2014-05-27 13:49:04 +0200 | [diff] [blame] | 1636 | printf("Invalid RAI, shouldn't patch\n"); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1637 | send_bssgp_suspend_ack(nsi, &sgsn_peer, 0xccd1758b, &rai_unknown); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1638 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1639 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1640 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1641 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1642 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1643 | gprs_ns_destroy(nsi); |
| 1644 | nsi = NULL; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1645 | } |
| 1646 | |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1647 | static void test_gbproxy_ptmsi_assignment() |
| 1648 | { |
| 1649 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1650 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1651 | struct sockaddr_in sgsn_peer= {0}; |
| 1652 | struct gprs_ra_id rai_bss = |
| 1653 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1654 | struct gprs_ra_id rai_unknown = |
| 1655 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1656 | uint16_t cell_id = 0x1234; |
| 1657 | |
| 1658 | const uint32_t ptmsi = 0xefe2b700; |
| 1659 | const uint32_t local_tlli = 0xefe2b700; |
| 1660 | |
| 1661 | const uint32_t foreign_tlli1 = 0x8000dead; |
| 1662 | const uint32_t foreign_tlli2 = 0x8000beef; |
| 1663 | |
| 1664 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
| 1665 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0x18}; |
| 1666 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1667 | struct gbproxy_link_info *link_info, *link_info2; |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1668 | struct gbproxy_peer *peer; |
| 1669 | unsigned bss_nu = 0; |
| 1670 | unsigned sgsn_nu = 0; |
| 1671 | |
| 1672 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 1673 | |
| 1674 | bssgp_nsi = nsi; |
| 1675 | gbcfg.nsi = bssgp_nsi; |
| 1676 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1677 | gbcfg.core_mcc = 0; |
| 1678 | gbcfg.core_mnc = 0; |
| 1679 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 1680 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 1681 | gbcfg.patch_ptmsi = 0; |
| 1682 | gbcfg.bss_ptmsi_state = 0; |
| 1683 | gbcfg.sgsn_tlli_state = 1; |
| 1684 | |
| 1685 | configure_sgsn_peer(&sgsn_peer); |
| 1686 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 1687 | |
| 1688 | printf("=== %s ===\n", __func__); |
| 1689 | printf("--- Initialise SGSN ---\n\n"); |
| 1690 | |
| 1691 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
| 1692 | |
| 1693 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1694 | |
| 1695 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1696 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1697 | |
| 1698 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 1699 | OSMO_ASSERT(peer != NULL); |
| 1700 | |
| 1701 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1702 | |
| 1703 | gprs_dump_nsi(nsi); |
| 1704 | dump_global(stdout, 0); |
| 1705 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1706 | |
| 1707 | printf("--- Establish first LLC connection ---\n\n"); |
| 1708 | |
| 1709 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 1710 | foreign_tlli1, &rai_unknown, cell_id, |
| 1711 | GPRS_SAPI_GMM, bss_nu++, |
| 1712 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1713 | |
| 1714 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1715 | |
| 1716 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 1717 | foreign_tlli1, 0, NULL, 0, |
| 1718 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1719 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1720 | |
| 1721 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1722 | |
| 1723 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 1724 | foreign_tlli1, &rai_bss, cell_id, |
| 1725 | GPRS_SAPI_GMM, bss_nu++, |
| 1726 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 1727 | |
| 1728 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1729 | |
| 1730 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 1731 | foreign_tlli1, 1, imsi1, sizeof(imsi1), |
| 1732 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1733 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1734 | |
| 1735 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1736 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1737 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli1); |
| 1738 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1739 | OSMO_ASSERT(link_info); |
| 1740 | OSMO_ASSERT(link_info == link_info2); |
| 1741 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1742 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli1); |
| 1743 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1744 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1745 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1746 | |
| 1747 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 1748 | local_tlli, &rai_bss, cell_id, |
| 1749 | GPRS_SAPI_GMM, bss_nu++, |
| 1750 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1751 | |
| 1752 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1753 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1754 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1755 | OSMO_ASSERT(link_info); |
| 1756 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1757 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli1); |
| 1758 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1759 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1760 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1761 | |
| 1762 | |
| 1763 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1764 | local_tlli, 1, imsi1, sizeof(imsi1), |
| 1765 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1766 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1767 | |
| 1768 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1769 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1770 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 1771 | OSMO_ASSERT(link_info); |
| 1772 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
| 1773 | OSMO_ASSERT(!gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2))); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1774 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1775 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1776 | OSMO_ASSERT(link_info == link_info2); |
| 1777 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1778 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1779 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1780 | |
| 1781 | printf("--- Establish second LLC connection with the same P-TMSI ---\n\n"); |
| 1782 | |
| 1783 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 1784 | foreign_tlli2, &rai_unknown, cell_id, |
| 1785 | GPRS_SAPI_GMM, bss_nu++, |
| 1786 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1787 | |
| 1788 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1789 | |
| 1790 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 1791 | foreign_tlli2, 0, NULL, 0, |
| 1792 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1793 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1794 | |
| 1795 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1796 | |
| 1797 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 1798 | foreign_tlli2, &rai_bss, cell_id, |
| 1799 | GPRS_SAPI_GMM, bss_nu++, |
| 1800 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 1801 | |
| 1802 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1803 | |
| 1804 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 1805 | foreign_tlli2, 1, imsi2, sizeof(imsi2), |
| 1806 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1807 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1808 | |
| 1809 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1810 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1811 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli2); |
| 1812 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1813 | OSMO_ASSERT(link_info); |
| 1814 | OSMO_ASSERT(link_info == link_info2); |
| 1815 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1816 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli2); |
| 1817 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1818 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1819 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1820 | |
| 1821 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 1822 | local_tlli, &rai_bss, cell_id, |
| 1823 | GPRS_SAPI_GMM, bss_nu++, |
| 1824 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1825 | |
| 1826 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1827 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1828 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1829 | OSMO_ASSERT(link_info); |
| 1830 | OSMO_ASSERT(link_info->tlli.assigned == local_tlli); |
| 1831 | OSMO_ASSERT(link_info->tlli.current == foreign_tlli2); |
| 1832 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1833 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1834 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1835 | |
| 1836 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1837 | local_tlli, 1, imsi2, sizeof(imsi2), |
| 1838 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1839 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1840 | |
| 1841 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1842 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1843 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 1844 | OSMO_ASSERT(link_info); |
| 1845 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
| 1846 | OSMO_ASSERT(!gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1))); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1847 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1848 | link_info2 = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 1849 | OSMO_ASSERT(link_info == link_info2); |
| 1850 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 1851 | OSMO_ASSERT(link_info->tlli.current == local_tlli); |
| 1852 | OSMO_ASSERT(link_info->tlli.ptmsi == ptmsi); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 1853 | |
| 1854 | dump_global(stdout, 0); |
| 1855 | |
| 1856 | gbprox_reset(&gbcfg); |
| 1857 | gprs_ns_destroy(nsi); |
| 1858 | nsi = NULL; |
| 1859 | } |
| 1860 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1861 | static void test_gbproxy_ptmsi_patching() |
| 1862 | { |
| 1863 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1864 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1865 | struct sockaddr_in sgsn_peer= {0}; |
| 1866 | struct gprs_ra_id rai_bss = |
| 1867 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1868 | struct gprs_ra_id rai_sgsn = |
| 1869 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1870 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 1871 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1872 | struct gprs_ra_id rai_unknown = |
| 1873 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1874 | uint16_t cell_id = 0x1234; |
| 1875 | |
| 1876 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1877 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 1878 | const uint32_t sgsn_ptmsi3 = 0xe0543210; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1879 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1880 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
| 1881 | const uint32_t local_sgsn_tlli3 = 0xe0543210; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1882 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1883 | const uint32_t unknown_sgsn_tlli = 0xeebadbad; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1884 | |
| 1885 | const uint32_t bss_ptmsi = 0xc00f7304; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1886 | const uint32_t bss_ptmsi2 = 0xe656aa1f; |
| 1887 | const uint32_t bss_ptmsi3 = 0xead4775a; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1888 | const uint32_t local_bss_tlli = 0xc00f7304; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1889 | const uint32_t local_bss_tlli2 = 0xe656aa1f; |
| 1890 | const uint32_t local_bss_tlli3 = 0xead4775a; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1891 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 1892 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1893 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1894 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1895 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1896 | struct gbproxy_peer *peer; |
| 1897 | unsigned bss_nu = 0; |
| 1898 | unsigned sgsn_nu = 0; |
| 1899 | |
| 1900 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1901 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 1902 | OSMO_ASSERT(local_sgsn_tlli3 == gprs_tmsi2tlli(sgsn_ptmsi3, TLLI_LOCAL)); |
| 1903 | OSMO_ASSERT(local_bss_tlli == gprs_tmsi2tlli(bss_ptmsi, TLLI_LOCAL)); |
| 1904 | OSMO_ASSERT(local_bss_tlli2 == gprs_tmsi2tlli(bss_ptmsi2, TLLI_LOCAL)); |
| 1905 | OSMO_ASSERT(local_bss_tlli3 == gprs_tmsi2tlli(bss_ptmsi3, TLLI_LOCAL)); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1906 | |
| 1907 | bssgp_nsi = nsi; |
| 1908 | gbcfg.nsi = bssgp_nsi; |
| 1909 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1910 | gbcfg.core_mcc = 123; |
| 1911 | gbcfg.core_mnc = 456; |
| 1912 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 1913 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 1914 | gbcfg.patch_ptmsi = 1; |
| 1915 | gbcfg.bss_ptmsi_state = 0; |
| 1916 | gbcfg.sgsn_tlli_state = 1; |
| 1917 | |
| 1918 | configure_sgsn_peer(&sgsn_peer); |
| 1919 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 1920 | |
| 1921 | printf("=== %s ===\n", __func__); |
| 1922 | printf("--- Initialise SGSN ---\n\n"); |
| 1923 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1924 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1925 | |
| 1926 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1927 | |
| 1928 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1929 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1930 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 1931 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1932 | OSMO_ASSERT(peer != NULL); |
| 1933 | |
| 1934 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1935 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1936 | gprs_dump_nsi(nsi); |
| 1937 | dump_global(stdout, 0); |
| 1938 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1939 | |
| 1940 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1941 | |
| 1942 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 1943 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 1944 | GPRS_SAPI_GMM, bss_nu++, |
| 1945 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1946 | |
| 1947 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1948 | |
| 1949 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 1950 | random_sgsn_tlli, 0, NULL, 0, |
| 1951 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1952 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1953 | |
| 1954 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1955 | |
| 1956 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 1957 | foreign_bss_tlli, &rai_bss, cell_id, |
| 1958 | GPRS_SAPI_GMM, bss_nu++, |
| 1959 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 1960 | |
| 1961 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1962 | |
| 1963 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 1964 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 1965 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1966 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1967 | |
| 1968 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1969 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1970 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 1971 | OSMO_ASSERT(link_info); |
| 1972 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 1973 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 1974 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 1975 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1976 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 1977 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 1978 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 1979 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 1980 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 1981 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1982 | |
| 1983 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 1984 | local_bss_tlli, &rai_bss, cell_id, |
| 1985 | GPRS_SAPI_GMM, bss_nu++, |
| 1986 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1987 | |
| 1988 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1989 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 1990 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 1991 | OSMO_ASSERT(link_info); |
| 1992 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 1993 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 1994 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 1995 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 1996 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 1997 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 1998 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 1999 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2000 | |
| 2001 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2002 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2003 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2004 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2005 | |
| 2006 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2007 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2008 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2009 | OSMO_ASSERT(link_info); |
| 2010 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2011 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2012 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2013 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2014 | |
Jacob Erlbeck | 82add78 | 2014-09-05 18:08:12 +0200 | [diff] [blame] | 2015 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 2016 | local_bss_tlli, &rai_bss, cell_id, |
| 2017 | GPRS_SAPI_GMM, bss_nu++, |
| 2018 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
| 2019 | |
| 2020 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2021 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2022 | /* Non-DTAP */ |
| 2023 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2024 | local_bss_tlli, &rai_bss, cell_id, |
| 2025 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2026 | |
| 2027 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer, 0x1002, |
| 2028 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2029 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2030 | |
| 2031 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2032 | local_bss_tlli, &rai_bss, cell_id, |
| 2033 | llc_ui_ll11_dns_query_ul, |
| 2034 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2035 | |
| 2036 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer, 0x1002, |
| 2037 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2038 | llc_ui_ll11_dns_resp_dl, |
| 2039 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2040 | |
| 2041 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2042 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2043 | /* Repeated RA Update Requests */ |
| 2044 | send_llc_ul_ui(nsi, "RA UPD REQ (P-TMSI 2)", &bss_peer[0], 0x1002, |
| 2045 | local_bss_tlli, &rai_bss, 0x7080, |
| 2046 | GPRS_SAPI_GMM, bss_nu++, |
| 2047 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2048 | |
| 2049 | send_llc_dl_ui(nsi, "RA UDP ACC (P-TMSI 2)", &sgsn_peer, 0x1002, |
| 2050 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2051 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2052 | dtap_ra_upd_acc2, sizeof(dtap_ra_upd_acc2)); |
| 2053 | |
| 2054 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2055 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2056 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI) != NULL); |
| 2057 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2058 | OSMO_ASSERT(link_info); |
| 2059 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 2060 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2061 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2062 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2063 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi2); |
| 2064 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 2065 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2066 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2067 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2068 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2069 | |
| 2070 | send_llc_ul_ui(nsi, "RA UPD REQ (P-TMSI 3)", &bss_peer[0], 0x1002, |
| 2071 | local_bss_tlli2, &rai_bss, 0x7080, |
| 2072 | GPRS_SAPI_GMM, bss_nu++, |
| 2073 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2074 | |
| 2075 | send_llc_dl_ui(nsi, "RA UDP ACC (P-TMSI 3)", &sgsn_peer, 0x1002, |
| 2076 | local_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 2077 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2078 | dtap_ra_upd_acc3, sizeof(dtap_ra_upd_acc3)); |
| 2079 | |
| 2080 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2081 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2082 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI) == NULL); |
| 2083 | OSMO_ASSERT(gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli3, SGSN_NSEI) != NULL); |
| 2084 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2085 | OSMO_ASSERT(link_info); |
| 2086 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 2087 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2088 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2089 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2090 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi3); |
| 2091 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli3); |
| 2092 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2093 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2094 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2095 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi3); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2096 | |
| 2097 | send_llc_ul_ui(nsi, "RA UPD COMPLETE", &bss_peer[0], 0x1002, |
| 2098 | local_bss_tlli3, &rai_bss, 0x7080, |
| 2099 | GPRS_SAPI_GMM, bss_nu++, |
| 2100 | dtap_ra_upd_complete, sizeof(dtap_ra_upd_complete)); |
| 2101 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2102 | link_info = gbproxy_link_info_by_tlli(peer, local_bss_tlli3); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2103 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2104 | OSMO_ASSERT(link_info); |
| 2105 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2106 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2107 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2108 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2109 | |
| 2110 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2111 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
| 2112 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2113 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2114 | |
| 2115 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2116 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2117 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli3, SGSN_NSEI); |
| 2118 | OSMO_ASSERT(link_info); |
| 2119 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli3); |
| 2120 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2121 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli3); |
| 2122 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2123 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2124 | /* Other messages */ |
| 2125 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2126 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2127 | |
| 2128 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2129 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2130 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli3, &rai_bss); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2131 | |
| 2132 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2133 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2134 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli3, &rai_sgsn); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2135 | |
| 2136 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2137 | |
| 2138 | /* Bad case: Invalid BVCI */ |
| 2139 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0xeee1, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2140 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2141 | dump_global(stdout, 0); |
| 2142 | |
| 2143 | /* Bad case: Invalid RAI */ |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2144 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli3, &rai_unknown); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2145 | |
| 2146 | dump_global(stdout, 0); |
| 2147 | |
| 2148 | /* Bad case: Invalid MCC (LAC ok) */ |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2149 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli3, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2150 | &rai_wrong_mcc_sgsn); |
| 2151 | |
| 2152 | dump_global(stdout, 0); |
| 2153 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 2154 | /* Bad case: Invalid TLLI from SGSN (IMSI unknown) */ |
| 2155 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2156 | unknown_sgsn_tlli, 1, NULL, 0, |
| 2157 | GPRS_SAPI_GMM, 2, |
| 2158 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2159 | |
| 2160 | /* Bad case: Invalid TLLI from SGSN (IMSI known) */ |
| 2161 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2162 | unknown_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2163 | GPRS_SAPI_GMM, 3, |
| 2164 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2165 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2166 | /* Detach */ |
| 2167 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2168 | local_bss_tlli3, &rai_bss, cell_id, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2169 | GPRS_SAPI_GMM, bss_nu++, |
| 2170 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2171 | |
| 2172 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2173 | |
| 2174 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 2175 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2176 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2177 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2178 | |
| 2179 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 2180 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 2181 | dump_global(stdout, 0); |
| 2182 | |
| 2183 | gbprox_reset(&gbcfg); |
| 2184 | gprs_ns_destroy(nsi); |
| 2185 | nsi = NULL; |
| 2186 | } |
| 2187 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2188 | static void test_gbproxy_imsi_acquisition() |
| 2189 | { |
| 2190 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 2191 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 2192 | struct sockaddr_in sgsn_peer= {0}; |
| 2193 | struct gprs_ra_id rai_bss = |
| 2194 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2195 | struct gprs_ra_id rai_sgsn = |
| 2196 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2197 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 2198 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2199 | struct gprs_ra_id rai_unknown = |
| 2200 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2201 | uint16_t cell_id = 0x1234; |
| 2202 | |
| 2203 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2204 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
| 2205 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2206 | const uint32_t random_sgsn_tlli2 = 0x7eb52dfb; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2207 | |
| 2208 | const uint32_t bss_ptmsi = 0xc00f7304; |
| 2209 | const uint32_t local_bss_tlli = 0xc00f7304; |
| 2210 | const uint32_t foreign_bss_tlli = 0x8000dead; |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2211 | const uint32_t other_bss_tlli = 0x8000beef; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2212 | |
| 2213 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2214 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2215 | struct gbproxy_peer *peer; |
| 2216 | unsigned bss_nu = 0; |
| 2217 | unsigned sgsn_nu = 0; |
| 2218 | |
| 2219 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2220 | |
| 2221 | bssgp_nsi = nsi; |
| 2222 | gbcfg.nsi = bssgp_nsi; |
| 2223 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 2224 | gbcfg.core_mcc = 123; |
| 2225 | gbcfg.core_mnc = 456; |
| 2226 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 2227 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2228 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2229 | gbcfg.acquire_imsi = 1; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2230 | gbcfg.bss_ptmsi_state = 0; |
| 2231 | gbcfg.sgsn_tlli_state = 1; |
| 2232 | |
| 2233 | configure_sgsn_peer(&sgsn_peer); |
| 2234 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 2235 | |
| 2236 | printf("=== %s ===\n", __func__); |
| 2237 | printf("--- Initialise SGSN ---\n\n"); |
| 2238 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2239 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2240 | |
| 2241 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2242 | |
| 2243 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 2244 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 2245 | |
| 2246 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2247 | OSMO_ASSERT(peer != NULL); |
| 2248 | |
| 2249 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 2250 | |
| 2251 | gprs_dump_nsi(nsi); |
| 2252 | dump_global(stdout, 0); |
| 2253 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2254 | |
| 2255 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 2256 | |
| 2257 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2258 | foreign_bss_tlli, &rai_bss, cell_id, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2259 | GPRS_SAPI_GMM, bss_nu++, |
| 2260 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2261 | |
| 2262 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2263 | |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2264 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2265 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2266 | GPRS_SAPI_GMM, bss_nu++, |
| 2267 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2268 | |
| 2269 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2270 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2271 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 2272 | random_sgsn_tlli, 0, NULL, 0, |
| 2273 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2274 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2275 | |
| 2276 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2277 | |
| 2278 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2279 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2280 | GPRS_SAPI_GMM, bss_nu++, |
| 2281 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2282 | |
| 2283 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2284 | |
| 2285 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 2286 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2287 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2288 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2289 | |
| 2290 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2291 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2292 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2293 | OSMO_ASSERT(link_info); |
| 2294 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2295 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2296 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2297 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2298 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2299 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2300 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2301 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2302 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2303 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2304 | |
| 2305 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2306 | local_bss_tlli, &rai_bss, cell_id, |
| 2307 | GPRS_SAPI_GMM, bss_nu++, |
| 2308 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2309 | |
| 2310 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2311 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2312 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2313 | OSMO_ASSERT(link_info); |
| 2314 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2315 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2316 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2317 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2318 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2319 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2320 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2321 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2322 | |
| 2323 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2324 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2325 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2326 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2327 | |
| 2328 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2329 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2330 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2331 | OSMO_ASSERT(link_info); |
| 2332 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2333 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2334 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2335 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2336 | |
| 2337 | /* Non-DTAP */ |
| 2338 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2339 | local_bss_tlli, &rai_bss, cell_id, |
| 2340 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2341 | |
| 2342 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer, 0x1002, |
| 2343 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2344 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2345 | |
| 2346 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2347 | local_bss_tlli, &rai_bss, cell_id, |
| 2348 | llc_ui_ll11_dns_query_ul, |
| 2349 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2350 | |
| 2351 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer, 0x1002, |
| 2352 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2353 | llc_ui_ll11_dns_resp_dl, |
| 2354 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2355 | |
| 2356 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2357 | |
| 2358 | /* Other messages */ |
| 2359 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
| 2360 | local_bss_tlli, 1, 12); |
| 2361 | |
| 2362 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2363 | |
| 2364 | send_bssgp_llc_discarded(nsi, &sgsn_peer, 0x1002, |
| 2365 | local_sgsn_tlli, 1, 12); |
| 2366 | |
| 2367 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2368 | |
| 2369 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli, &rai_bss); |
| 2370 | |
| 2371 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2372 | |
| 2373 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli, &rai_sgsn); |
| 2374 | |
| 2375 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2376 | |
| 2377 | /* Bad case: Invalid BVCI */ |
| 2378 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0xeee1, |
| 2379 | local_bss_tlli, 1, 12); |
| 2380 | dump_global(stdout, 0); |
| 2381 | |
| 2382 | /* Bad case: Invalid RAI */ |
| 2383 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli, &rai_unknown); |
| 2384 | |
| 2385 | dump_global(stdout, 0); |
| 2386 | |
| 2387 | /* Bad case: Invalid MCC (LAC ok) */ |
| 2388 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli, |
| 2389 | &rai_wrong_mcc_sgsn); |
| 2390 | |
| 2391 | dump_global(stdout, 0); |
| 2392 | |
| 2393 | /* Detach */ |
| 2394 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2395 | local_bss_tlli, &rai_bss, cell_id, |
| 2396 | GPRS_SAPI_GMM, bss_nu++, |
| 2397 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2398 | |
| 2399 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2400 | |
| 2401 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 2402 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2403 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2404 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2405 | |
| 2406 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2407 | |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2408 | /* RA Update request */ |
| 2409 | |
| 2410 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 2411 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2412 | GPRS_SAPI_GMM, bss_nu++, |
| 2413 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2414 | |
| 2415 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2416 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2417 | GPRS_SAPI_GMM, bss_nu++, |
| 2418 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2419 | |
| 2420 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2421 | |
| 2422 | send_llc_dl_ui(nsi, "RA UDP ACC", &sgsn_peer, 0x1002, |
| 2423 | random_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 2424 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2425 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
| 2426 | |
| 2427 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2428 | |
| 2429 | /* Detach */ |
| 2430 | |
| 2431 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2432 | local_bss_tlli, &rai_bss, cell_id, |
| 2433 | GPRS_SAPI_GMM, bss_nu++, |
| 2434 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2435 | |
| 2436 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2437 | |
| 2438 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 2439 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2440 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2441 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2442 | |
| 2443 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2444 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2445 | /* Special case: Repeated Attach Requests */ |
| 2446 | |
| 2447 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2448 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2449 | GPRS_SAPI_GMM, bss_nu++, |
| 2450 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2451 | |
| 2452 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2453 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2454 | GPRS_SAPI_GMM, bss_nu++, |
| 2455 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2456 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2457 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2458 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2459 | GPRS_SAPI_GMM, bss_nu++, |
| 2460 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2461 | |
| 2462 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2463 | |
| 2464 | /* Special case: Detach from an unknown TLLI */ |
| 2465 | |
| 2466 | send_llc_ul_ui(nsi, "DETACH REQ (unknown TLLI)", &bss_peer[0], 0x1002, |
| 2467 | other_bss_tlli, &rai_bss, cell_id, |
| 2468 | GPRS_SAPI_GMM, bss_nu++, |
| 2469 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2470 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2471 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2472 | |
Jacob Erlbeck | 2ec2757 | 2014-09-18 09:57:47 +0200 | [diff] [blame] | 2473 | /* Special case: Repeated RA Update Requests */ |
| 2474 | |
| 2475 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 2476 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2477 | GPRS_SAPI_GMM, bss_nu++, |
| 2478 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2479 | |
| 2480 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 2481 | foreign_bss_tlli, &rai_unknown, 0x7080, |
| 2482 | GPRS_SAPI_GMM, bss_nu++, |
| 2483 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 2484 | |
| 2485 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2486 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2487 | GPRS_SAPI_GMM, bss_nu++, |
| 2488 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2489 | |
| 2490 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2491 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2492 | dump_global(stdout, 0); |
| 2493 | |
| 2494 | gbprox_reset(&gbcfg); |
| 2495 | gprs_ns_destroy(nsi); |
| 2496 | nsi = NULL; |
| 2497 | } |
| 2498 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2499 | static void test_gbproxy_secondary_sgsn() |
| 2500 | { |
| 2501 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 2502 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 2503 | struct sockaddr_in sgsn_peer[2]= {{0},}; |
| 2504 | struct gprs_ra_id rai_bss = |
| 2505 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2506 | struct gprs_ra_id rai_sgsn = |
| 2507 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2508 | struct gprs_ra_id rai_unknown = |
| 2509 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2510 | uint16_t cell_id = 0x1234; |
| 2511 | |
| 2512 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2513 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
| 2514 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
| 2515 | |
| 2516 | const uint32_t bss_ptmsi = 0xc00f7304; |
| 2517 | const uint32_t local_bss_tlli = 0xc00f7304; |
| 2518 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2519 | |
| 2520 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 2521 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
| 2522 | const uint32_t random_sgsn_tlli2 = 0x7eb52dfb; |
| 2523 | const uint32_t bss_ptmsi2 = 0xe656aa1f; |
| 2524 | const uint32_t local_bss_tlli2 = 0xe656aa1f; |
| 2525 | const uint32_t foreign_bss_tlli2 = 0x8000beef; |
| 2526 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2527 | const uint32_t random_sgsn_tlli3 = 0x7e23ef54; |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 2528 | const uint32_t bss_ptmsi3 = 0xead4775a; |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2529 | const uint32_t local_bss_tlli3 = 0xead4775a; |
| 2530 | const uint32_t foreign_bss_tlli3 = 0x8000feed; |
| 2531 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2532 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
| 2533 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2534 | const uint8_t imsi3[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x26, 0x27, 0x28}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2535 | struct gbproxy_link_info *link_info; |
| 2536 | struct gbproxy_link_info *other_info; |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2537 | struct gbproxy_peer *peer; |
| 2538 | unsigned bss_nu = 0; |
| 2539 | unsigned sgsn_nu = 0; |
| 2540 | |
| 2541 | const char *err_msg = NULL; |
| 2542 | const char *filter_re = "999999"; |
| 2543 | |
| 2544 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2545 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 2546 | |
| 2547 | bssgp_nsi = nsi; |
| 2548 | gbcfg.nsi = bssgp_nsi; |
| 2549 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 2550 | gbcfg.core_mcc = 123; |
| 2551 | gbcfg.core_mnc = 456; |
| 2552 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 2553 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2554 | gbcfg.patch_ptmsi = 1; |
| 2555 | gbcfg.acquire_imsi = 1; |
| 2556 | gbcfg.bss_ptmsi_state = 0; |
| 2557 | gbcfg.sgsn_tlli_state = 1; |
| 2558 | gbcfg.route_to_sgsn2 = 1; |
| 2559 | gbcfg.nsip_sgsn2_nsei = SGSN2_NSEI; |
| 2560 | |
| 2561 | if (gbproxy_set_patch_filter(&gbcfg, filter_re, &err_msg) != 0) { |
| 2562 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 2563 | err_msg); |
| 2564 | OSMO_ASSERT(err_msg == NULL); |
| 2565 | } |
| 2566 | |
| 2567 | configure_sgsn_peer(&sgsn_peer[0]); |
| 2568 | configure_sgsn2_peer(&sgsn_peer[1]); |
| 2569 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 2570 | |
| 2571 | printf("=== %s ===\n", __func__); |
| 2572 | printf("--- Initialise SGSN 1 ---\n\n"); |
| 2573 | |
| 2574 | connect_sgsn(nsi, &sgsn_peer[0], SGSN_NSEI); |
| 2575 | |
| 2576 | printf("--- Initialise SGSN 2 ---\n\n"); |
| 2577 | |
| 2578 | connect_sgsn(nsi, &sgsn_peer[1], SGSN2_NSEI); |
| 2579 | |
| 2580 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2581 | |
| 2582 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 2583 | setup_bssgp(nsi, &bss_peer[0], 0x0); |
| 2584 | send_bssgp_reset_ack(nsi, &sgsn_peer[0], 0x0); |
| 2585 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 2586 | send_bssgp_reset_ack(nsi, &sgsn_peer[0], 0x1002); |
| 2587 | send_bssgp_reset_ack(nsi, &sgsn_peer[1], 0x1002); |
| 2588 | |
| 2589 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2590 | OSMO_ASSERT(peer != NULL); |
| 2591 | |
| 2592 | gprs_dump_nsi(nsi); |
| 2593 | dump_global(stdout, 0); |
| 2594 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2595 | |
| 2596 | printf("--- Flow control ---\n\n"); |
| 2597 | |
| 2598 | send_bssgp_flow_control_bvc(nsi, &bss_peer[0], 0x1002, 1); |
| 2599 | send_bssgp_flow_control_bvc_ack(nsi, &sgsn_peer[0], 0x1002, 1); |
| 2600 | send_bssgp_flow_control_bvc_ack(nsi, &sgsn_peer[1], 0x1002, 1); |
| 2601 | |
| 2602 | printf("--- Establish GPRS connection (SGSN 1) ---\n\n"); |
| 2603 | |
| 2604 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2605 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2606 | GPRS_SAPI_GMM, bss_nu++, |
| 2607 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2608 | |
| 2609 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2610 | |
| 2611 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2612 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2613 | GPRS_SAPI_GMM, bss_nu++, |
| 2614 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2615 | |
| 2616 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2617 | |
| 2618 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer[0], 0x1002, |
| 2619 | random_sgsn_tlli, 0, NULL, 0, |
| 2620 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2621 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2622 | |
| 2623 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2624 | |
| 2625 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2626 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2627 | GPRS_SAPI_GMM, bss_nu++, |
| 2628 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2629 | |
| 2630 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2631 | |
| 2632 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer[0], 0x1002, |
| 2633 | random_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2634 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2635 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2636 | |
| 2637 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2638 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2639 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2640 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli, SGSN_NSEI); |
| 2641 | OSMO_ASSERT(link_info); |
| 2642 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2643 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2644 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2645 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2646 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi); |
| 2647 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2648 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2649 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2650 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2651 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2652 | |
| 2653 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2654 | local_bss_tlli, &rai_bss, cell_id, |
| 2655 | GPRS_SAPI_GMM, bss_nu++, |
| 2656 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2657 | |
| 2658 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2659 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2660 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2661 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2662 | OSMO_ASSERT(link_info); |
| 2663 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli); |
| 2664 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli); |
| 2665 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2666 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2667 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2668 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2669 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2670 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2671 | |
| 2672 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer[0], 0x1002, |
| 2673 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2674 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2675 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2676 | |
| 2677 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2678 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2679 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI)); |
| 2680 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN_NSEI); |
| 2681 | OSMO_ASSERT(link_info); |
| 2682 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli); |
| 2683 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2684 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2685 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2686 | |
| 2687 | /* Non-DTAP */ |
| 2688 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2689 | local_bss_tlli, &rai_bss, cell_id, |
| 2690 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2691 | |
| 2692 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer[0], 0x1002, |
| 2693 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2694 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2695 | |
| 2696 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2697 | local_bss_tlli, &rai_bss, cell_id, |
| 2698 | llc_ui_ll11_dns_query_ul, |
| 2699 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2700 | |
| 2701 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer[0], 0x1002, |
| 2702 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2703 | llc_ui_ll11_dns_resp_dl, |
| 2704 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2705 | |
| 2706 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2707 | |
| 2708 | /* Other messages */ |
| 2709 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
| 2710 | local_bss_tlli, 1, 12); |
| 2711 | |
| 2712 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2713 | |
| 2714 | send_bssgp_llc_discarded(nsi, &sgsn_peer[0], 0x1002, |
| 2715 | local_sgsn_tlli, 1, 12); |
| 2716 | |
| 2717 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2718 | |
| 2719 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli, &rai_bss); |
| 2720 | |
| 2721 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2722 | |
| 2723 | send_bssgp_suspend_ack(nsi, &sgsn_peer[0], local_sgsn_tlli, &rai_sgsn); |
| 2724 | |
| 2725 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2726 | |
| 2727 | printf("--- Establish GPRS connection (SGSN 2) ---\n\n"); |
| 2728 | |
| 2729 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2730 | foreign_bss_tlli2, &rai_unknown, cell_id, |
| 2731 | GPRS_SAPI_GMM, bss_nu++, |
| 2732 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2733 | |
| 2734 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2735 | |
| 2736 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2737 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 2738 | GPRS_SAPI_GMM, bss_nu++, |
| 2739 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 2740 | |
| 2741 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2742 | |
| 2743 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer[1], 0x1002, |
| 2744 | random_sgsn_tlli2, 0, NULL, 0, |
| 2745 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2746 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2747 | |
| 2748 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2749 | |
| 2750 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2751 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 2752 | GPRS_SAPI_GMM, bss_nu++, |
Jacob Erlbeck | 2bb4543 | 2014-09-17 12:05:08 +0200 | [diff] [blame] | 2753 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2754 | |
| 2755 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2756 | |
| 2757 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer[1], 0x1002, |
| 2758 | random_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 2759 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2760 | dtap_attach_acc2, sizeof(dtap_attach_acc2)); |
| 2761 | |
| 2762 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2763 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2764 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli2, SGSN_NSEI)); |
| 2765 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli2, SGSN2_NSEI); |
| 2766 | OSMO_ASSERT(link_info); |
| 2767 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 2768 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli2); |
| 2769 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2770 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2771 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi2); |
| 2772 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 2773 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 2774 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2775 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2776 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2777 | |
| 2778 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2779 | local_bss_tlli2, &rai_bss, cell_id, |
| 2780 | GPRS_SAPI_GMM, bss_nu++, |
| 2781 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2782 | |
| 2783 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2784 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2785 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI)); |
| 2786 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN2_NSEI); |
| 2787 | OSMO_ASSERT(link_info); |
| 2788 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli2); |
| 2789 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli2); |
| 2790 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2791 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2792 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 2793 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 2794 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2795 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2796 | |
| 2797 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer[1], 0x1002, |
| 2798 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 2799 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2800 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2801 | |
| 2802 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2803 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2804 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN_NSEI)); |
| 2805 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli2, SGSN2_NSEI); |
| 2806 | OSMO_ASSERT(link_info); |
| 2807 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli2); |
| 2808 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2809 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli2); |
| 2810 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2811 | |
| 2812 | /* Non-DTAP */ |
| 2813 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2814 | local_bss_tlli2, &rai_bss, cell_id, |
| 2815 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2816 | |
| 2817 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer[1], 0x1002, |
| 2818 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 2819 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2820 | |
| 2821 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2822 | local_bss_tlli2, &rai_bss, cell_id, |
| 2823 | llc_ui_ll11_dns_query_ul, |
| 2824 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2825 | |
| 2826 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer[1], 0x1002, |
| 2827 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 2828 | llc_ui_ll11_dns_resp_dl, |
| 2829 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2830 | |
| 2831 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2832 | |
| 2833 | /* Other messages */ |
| 2834 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
| 2835 | local_bss_tlli2, 1, 12); |
| 2836 | |
| 2837 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2838 | |
| 2839 | send_bssgp_llc_discarded(nsi, &sgsn_peer[1], 0x1002, |
| 2840 | local_sgsn_tlli2, 1, 12); |
| 2841 | |
| 2842 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2843 | |
| 2844 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli2, &rai_bss); |
| 2845 | |
| 2846 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2847 | |
| 2848 | send_bssgp_suspend_ack(nsi, &sgsn_peer[1], local_sgsn_tlli2, &rai_sgsn); |
| 2849 | |
| 2850 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2851 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2852 | printf("--- Establish GPRS connection (SGSN 2, P-TMSI collision) ---\n\n"); |
| 2853 | |
| 2854 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2855 | foreign_bss_tlli3, &rai_unknown, cell_id, |
| 2856 | GPRS_SAPI_GMM, bss_nu++, |
| 2857 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2858 | |
| 2859 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2860 | |
| 2861 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2862 | foreign_bss_tlli3, &rai_bss, cell_id, |
| 2863 | GPRS_SAPI_GMM, bss_nu++, |
| 2864 | dtap_identity3_resp, sizeof(dtap_identity3_resp)); |
| 2865 | |
| 2866 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2867 | |
| 2868 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer[1], 0x1002, |
| 2869 | random_sgsn_tlli3, 0, NULL, 0, |
| 2870 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2871 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2872 | |
| 2873 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2874 | |
| 2875 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2876 | foreign_bss_tlli3, &rai_bss, cell_id, |
| 2877 | GPRS_SAPI_GMM, bss_nu++, |
| 2878 | dtap_identity3_resp, sizeof(dtap_identity3_resp)); |
| 2879 | |
| 2880 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2881 | |
| 2882 | send_llc_dl_ui(nsi, "ATTACH ACCEPT (P-TMSI 1)", &sgsn_peer[1], 0x1002, |
| 2883 | random_sgsn_tlli3, 1, imsi3, sizeof(imsi3), |
| 2884 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2885 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2886 | |
| 2887 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2888 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2889 | OSMO_ASSERT(!gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli3, SGSN_NSEI)); |
| 2890 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, random_sgsn_tlli3, SGSN2_NSEI); |
| 2891 | OSMO_ASSERT(link_info); |
| 2892 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 2893 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli3); |
| 2894 | OSMO_ASSERT(!link_info->tlli.bss_validated); |
| 2895 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2896 | OSMO_ASSERT(link_info->tlli.ptmsi == bss_ptmsi3); |
| 2897 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2898 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli3); |
| 2899 | OSMO_ASSERT(!link_info->sgsn_tlli.bss_validated); |
| 2900 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
| 2901 | OSMO_ASSERT(link_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 2902 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2903 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2904 | local_bss_tlli3, &rai_bss, cell_id, |
| 2905 | GPRS_SAPI_GMM, bss_nu++, |
| 2906 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2907 | |
| 2908 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2909 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2910 | 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] | 2911 | OSMO_ASSERT(other_info); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2912 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI); |
| 2913 | OSMO_ASSERT(link_info); |
| 2914 | OSMO_ASSERT(link_info != other_info); |
| 2915 | OSMO_ASSERT(link_info->tlli.assigned == local_bss_tlli3); |
| 2916 | OSMO_ASSERT(link_info->tlli.current == foreign_bss_tlli3); |
| 2917 | OSMO_ASSERT(link_info->tlli.bss_validated); |
| 2918 | OSMO_ASSERT(!link_info->tlli.net_validated); |
| 2919 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2920 | OSMO_ASSERT(link_info->sgsn_tlli.current == random_sgsn_tlli3); |
| 2921 | OSMO_ASSERT(link_info->sgsn_tlli.bss_validated); |
| 2922 | OSMO_ASSERT(!link_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 2923 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2924 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer[1], 0x1002, |
| 2925 | local_sgsn_tlli, 1, imsi3, sizeof(imsi3), |
| 2926 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2927 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2928 | |
| 2929 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2930 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2931 | 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] | 2932 | OSMO_ASSERT(other_info); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 2933 | link_info = gbproxy_link_info_by_sgsn_tlli(peer, local_sgsn_tlli, SGSN2_NSEI); |
| 2934 | OSMO_ASSERT(link_info); |
| 2935 | OSMO_ASSERT(link_info != other_info); |
| 2936 | OSMO_ASSERT(link_info->tlli.current == local_bss_tlli3); |
| 2937 | OSMO_ASSERT(link_info->tlli.assigned == 0); |
| 2938 | OSMO_ASSERT(link_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2939 | OSMO_ASSERT(link_info->sgsn_tlli.assigned == 0); |
Jacob Erlbeck | 91a0e86 | 2014-09-17 10:56:38 +0200 | [diff] [blame] | 2940 | |
| 2941 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2942 | printf("--- Shutdown GPRS connection (SGSN 1) ---\n\n"); |
| 2943 | |
| 2944 | /* Detach */ |
| 2945 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2946 | local_bss_tlli, &rai_bss, cell_id, |
| 2947 | GPRS_SAPI_GMM, bss_nu++, |
| 2948 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2949 | |
| 2950 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2951 | |
| 2952 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer[0], 0x1002, |
| 2953 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2954 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2955 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2956 | |
| 2957 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2958 | |
| 2959 | printf("--- Shutdown GPRS connection (SGSN 2) ---\n\n"); |
| 2960 | |
| 2961 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2962 | local_bss_tlli2, &rai_bss, cell_id, |
| 2963 | GPRS_SAPI_GMM, bss_nu++, |
| 2964 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2965 | |
| 2966 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2967 | |
| 2968 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer[1], 0x1002, |
| 2969 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 2970 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2971 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2972 | |
| 2973 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2974 | |
Jacob Erlbeck | af952ba | 2014-09-17 12:09:25 +0200 | [diff] [blame] | 2975 | printf("--- Shutdown GPRS connection (SGSN 2, P-TMSI 1) ---\n\n"); |
| 2976 | |
| 2977 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2978 | local_bss_tlli3, &rai_bss, cell_id, |
| 2979 | GPRS_SAPI_GMM, bss_nu++, |
| 2980 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2981 | |
| 2982 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2983 | |
| 2984 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer[1], 0x1002, |
| 2985 | local_sgsn_tlli, 1, imsi3, sizeof(imsi3), |
| 2986 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2987 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2988 | |
| 2989 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2990 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2991 | dump_global(stdout, 0); |
| 2992 | |
| 2993 | gbprox_reset(&gbcfg); |
| 2994 | gprs_ns_destroy(nsi); |
| 2995 | nsi = NULL; |
| 2996 | } |
| 2997 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 2998 | static void test_gbproxy_keep_info() |
| 2999 | { |
| 3000 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 3001 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 3002 | struct sockaddr_in sgsn_peer= {0}; |
| 3003 | struct gprs_ra_id rai_bss = |
| 3004 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 3005 | uint16_t cell_id = 0x1234; |
| 3006 | |
| 3007 | const uint32_t ptmsi = 0xefe2b700; |
| 3008 | const uint32_t local_tlli = 0xefe2b700; |
| 3009 | const uint32_t foreign_tlli = 0xafe2b700; |
| 3010 | |
| 3011 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3012 | struct gbproxy_link_info *link_info, *link_info2; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3013 | struct gbproxy_peer *peer; |
| 3014 | unsigned bss_nu = 0; |
| 3015 | unsigned sgsn_nu = 0; |
| 3016 | |
| 3017 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
| 3018 | |
| 3019 | bssgp_nsi = nsi; |
| 3020 | gbcfg.nsi = bssgp_nsi; |
| 3021 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 3022 | gbcfg.patch_ptmsi = 0; |
| 3023 | gbcfg.acquire_imsi = 1; |
| 3024 | gbcfg.bss_ptmsi_state = 0; |
| 3025 | gbcfg.sgsn_tlli_state = 1; |
| 3026 | gbcfg.core_mcc = 0; |
| 3027 | gbcfg.core_mnc = 0; |
| 3028 | gbcfg.core_apn = NULL; |
| 3029 | gbcfg.core_apn_size = 0; |
| 3030 | gbcfg.route_to_sgsn2 = 0; |
| 3031 | gbcfg.nsip_sgsn2_nsei = 0xffff; |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3032 | gbcfg.keep_link_infos = GBPROX_KEEP_ALWAYS; |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3033 | |
| 3034 | configure_sgsn_peer(&sgsn_peer); |
| 3035 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 3036 | |
| 3037 | printf("=== %s ===\n", __func__); |
| 3038 | printf("--- Initialise SGSN ---\n\n"); |
| 3039 | |
| 3040 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
| 3041 | |
| 3042 | printf("--- Initialise BSS 1 ---\n\n"); |
| 3043 | |
| 3044 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 3045 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 3046 | |
| 3047 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 3048 | OSMO_ASSERT(peer != NULL); |
| 3049 | |
| 3050 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 3051 | |
| 3052 | gprs_dump_nsi(nsi); |
| 3053 | dump_global(stdout, 0); |
| 3054 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3055 | |
| 3056 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 3057 | |
| 3058 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3059 | foreign_tlli, &rai_bss, cell_id, |
| 3060 | GPRS_SAPI_GMM, bss_nu++, |
| 3061 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3062 | |
| 3063 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3064 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3065 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3066 | OSMO_ASSERT(link_info); |
| 3067 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3068 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3069 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3070 | |
| 3071 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3072 | foreign_tlli, &rai_bss, cell_id, |
| 3073 | GPRS_SAPI_GMM, bss_nu++, |
| 3074 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3075 | |
| 3076 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3077 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3078 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3079 | OSMO_ASSERT(link_info); |
| 3080 | OSMO_ASSERT(link_info->imsi_len > 0); |
| 3081 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3082 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3083 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 3084 | foreign_tlli, 0, NULL, 0, |
| 3085 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3086 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 3087 | |
| 3088 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3089 | |
| 3090 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 3091 | foreign_tlli, &rai_bss, cell_id, |
| 3092 | GPRS_SAPI_GMM, bss_nu++, |
| 3093 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 3094 | |
| 3095 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3096 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3097 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3098 | OSMO_ASSERT(link_info); |
| 3099 | OSMO_ASSERT(link_info->imsi_len > 0); |
| 3100 | OSMO_ASSERT(gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi))); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3101 | |
| 3102 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3103 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3104 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3105 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3106 | |
| 3107 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3108 | |
| 3109 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3110 | local_tlli, &rai_bss, cell_id, |
| 3111 | GPRS_SAPI_GMM, bss_nu++, |
| 3112 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3113 | |
| 3114 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3115 | |
| 3116 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 3117 | local_tlli, 1, imsi, sizeof(imsi), |
| 3118 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3119 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 3120 | |
| 3121 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3122 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3123 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3124 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3125 | |
| 3126 | /* Detach (MO) */ |
| 3127 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 3128 | local_tlli, &rai_bss, cell_id, |
| 3129 | GPRS_SAPI_GMM, bss_nu++, |
| 3130 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 3131 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3132 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3133 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3134 | |
| 3135 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3136 | |
| 3137 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3138 | local_tlli, 1, imsi, sizeof(imsi), |
| 3139 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3140 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 3141 | |
| 3142 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3143 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3144 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3145 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3146 | OSMO_ASSERT(link_info); |
| 3147 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3148 | |
| 3149 | /* Re-Attach */ |
| 3150 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3151 | foreign_tlli, &rai_bss, cell_id, |
| 3152 | GPRS_SAPI_GMM, bss_nu++, |
| 3153 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3154 | |
| 3155 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3156 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3157 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3158 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3159 | OSMO_ASSERT(link_info); |
| 3160 | OSMO_ASSERT(link_info == link_info2); |
| 3161 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3162 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3163 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3164 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3165 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3166 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3167 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3168 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3169 | |
| 3170 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3171 | |
| 3172 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3173 | local_tlli, &rai_bss, cell_id, |
| 3174 | GPRS_SAPI_GMM, bss_nu++, |
| 3175 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3176 | |
| 3177 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3178 | |
| 3179 | /* Detach (MT) */ |
| 3180 | send_llc_dl_ui(nsi, "DETACH REQ (re-attach)", &sgsn_peer, 0x1002, |
| 3181 | local_tlli, 1, imsi, sizeof(imsi), |
| 3182 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3183 | dtap_mt_detach_rea_req, sizeof(dtap_mt_detach_rea_req)); |
| 3184 | |
| 3185 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3186 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3187 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3188 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3189 | |
| 3190 | send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3191 | local_tlli, &rai_bss, cell_id, |
| 3192 | GPRS_SAPI_GMM, bss_nu++, |
| 3193 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3194 | |
| 3195 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3196 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3197 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3198 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3199 | OSMO_ASSERT(link_info); |
| 3200 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3201 | |
| 3202 | /* Re-Attach */ |
| 3203 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3204 | foreign_tlli, &rai_bss, cell_id, |
| 3205 | GPRS_SAPI_GMM, bss_nu++, |
| 3206 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3207 | |
| 3208 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3209 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3210 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3211 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3212 | OSMO_ASSERT(link_info); |
| 3213 | OSMO_ASSERT(link_info == link_info2); |
| 3214 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3215 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3216 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3217 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3218 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3219 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3220 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3221 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3222 | |
| 3223 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3224 | |
| 3225 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3226 | local_tlli, &rai_bss, cell_id, |
| 3227 | GPRS_SAPI_GMM, bss_nu++, |
| 3228 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3229 | |
| 3230 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3231 | |
| 3232 | /* Detach (MT) */ |
| 3233 | send_llc_dl_ui(nsi, "DETACH REQ", &sgsn_peer, 0x1002, |
| 3234 | local_tlli, 1, imsi, sizeof(imsi), |
| 3235 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3236 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3237 | |
| 3238 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3239 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3240 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3241 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3242 | |
| 3243 | send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3244 | local_tlli, &rai_bss, cell_id, |
| 3245 | GPRS_SAPI_GMM, bss_nu++, |
| 3246 | dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); |
| 3247 | |
| 3248 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3249 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3250 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3251 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3252 | OSMO_ASSERT(link_info); |
| 3253 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3254 | |
| 3255 | /* Re-Attach */ |
| 3256 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3257 | foreign_tlli, &rai_bss, cell_id, |
| 3258 | GPRS_SAPI_GMM, bss_nu++, |
| 3259 | dtap_attach_req3, sizeof(dtap_attach_req3)); |
| 3260 | |
| 3261 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3262 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3263 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3264 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3265 | OSMO_ASSERT(link_info); |
| 3266 | OSMO_ASSERT(link_info == link_info2); |
| 3267 | OSMO_ASSERT(link_info->imsi_len != 0); |
| 3268 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3269 | OSMO_ASSERT(!link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3270 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3271 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3272 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3273 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3274 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3275 | |
| 3276 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3277 | |
| 3278 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3279 | local_tlli, &rai_bss, cell_id, |
| 3280 | GPRS_SAPI_GMM, bss_nu++, |
| 3281 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3282 | |
| 3283 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3284 | |
| 3285 | /* RA update procedure (reject -> Detach) */ |
| 3286 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 3287 | local_tlli, &rai_bss, 0x7080, |
| 3288 | GPRS_SAPI_GMM, bss_nu++, |
| 3289 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 3290 | |
| 3291 | send_llc_dl_ui(nsi, "RA UDP REJ", &sgsn_peer, 0x1002, |
| 3292 | local_tlli, 1, imsi, sizeof(imsi), |
| 3293 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3294 | dtap_ra_upd_rej, sizeof(dtap_ra_upd_rej)); |
| 3295 | |
| 3296 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3297 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3298 | OSMO_ASSERT(!gbproxy_link_info_by_tlli(peer, local_tlli)); |
| 3299 | link_info = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3300 | OSMO_ASSERT(link_info); |
| 3301 | OSMO_ASSERT(link_info->is_deregistered); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3302 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3303 | /* Bad case: Re-Attach with wrong (initial) P-TMSI */ |
| 3304 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 3305 | foreign_tlli, &rai_bss, cell_id, |
| 3306 | GPRS_SAPI_GMM, bss_nu++, |
| 3307 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 3308 | |
| 3309 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3310 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3311 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3312 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3313 | OSMO_ASSERT(link_info); |
| 3314 | OSMO_ASSERT(link_info != link_info2); |
| 3315 | OSMO_ASSERT(link_info->imsi_len == 0); |
| 3316 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3317 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3318 | |
| 3319 | /* This wouldn't happen in reality, since the Attach Request hadn't |
| 3320 | * been forwarded to the SGSN. |
| 3321 | * TODO: Add the missing messages. |
| 3322 | */ |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3323 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 3324 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 3325 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3326 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 3327 | |
| 3328 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3329 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3330 | link_info2 = gbproxy_link_info_by_imsi(peer, imsi, sizeof(imsi)); |
| 3331 | link_info = gbproxy_link_info_by_tlli(peer, foreign_tlli); |
| 3332 | OSMO_ASSERT(link_info); |
| 3333 | OSMO_ASSERT(link_info == link_info2); |
| 3334 | OSMO_ASSERT(link_info->imsi_len >= 0); |
| 3335 | OSMO_ASSERT(!link_info->is_deregistered); |
| 3336 | OSMO_ASSERT(link_info->imsi_acq_pending); |
Jacob Erlbeck | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3337 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3338 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 3339 | local_tlli, &rai_bss, cell_id, |
| 3340 | GPRS_SAPI_GMM, bss_nu++, |
| 3341 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 3342 | |
| 3343 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3344 | |
| 3345 | /* Detach (MT) */ |
| 3346 | send_llc_dl_ui(nsi, "DETACH REQ", &sgsn_peer, 0x1002, |
| 3347 | local_tlli, 1, imsi, sizeof(imsi), |
| 3348 | GPRS_SAPI_GMM, sgsn_nu++, |
| 3349 | dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); |
| 3350 | |
| 3351 | dump_peers(stdout, 0, 0, &gbcfg); |
| 3352 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3353 | link_info = gbproxy_link_info_by_tlli(peer, local_tlli); |
| 3354 | OSMO_ASSERT(link_info); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3355 | |
| 3356 | send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 3357 | local_tlli, &rai_bss, cell_id, |
| 3358 | GPRS_SAPI_GMM, bss_nu++, |
| 3359 | dtap_mt_detach_acc, sizeof(dtap_mt_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 | 7430da6 | 2014-09-12 15:09:56 +0200 | [diff] [blame] | 3367 | |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 3368 | dump_global(stdout, 0); |
| 3369 | |
| 3370 | gbprox_reset(&gbcfg); |
| 3371 | gprs_ns_destroy(nsi); |
| 3372 | nsi = NULL; |
| 3373 | } |
| 3374 | |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3375 | /* TODO: Move tlv testing to libosmocore */ |
| 3376 | int v_fixed_shift(uint8_t **data, size_t *data_len, size_t len, uint8_t **value); |
| 3377 | int tv_fixed_match(uint8_t **data, size_t *data_len, uint8_t tag, size_t len, |
| 3378 | uint8_t **value); |
| 3379 | int tlv_match(uint8_t **data, size_t *data_len, uint8_t tag, uint8_t **value, |
| 3380 | size_t *value_len); |
| 3381 | int lv_shift(uint8_t **data, size_t *data_len, |
| 3382 | uint8_t **value, size_t *value_len); |
| 3383 | |
| 3384 | static void check_tlv_match(uint8_t **data, size_t *data_len, |
| 3385 | uint8_t tag, size_t exp_len, const uint8_t *exp_val) |
| 3386 | { |
| 3387 | uint8_t *value; |
| 3388 | size_t value_len; |
| 3389 | int rc; |
| 3390 | |
| 3391 | rc = tlv_match(data, data_len, tag ^ 1, NULL, NULL); |
| 3392 | OSMO_ASSERT(rc == 0); |
| 3393 | |
| 3394 | rc = tlv_match(data, data_len, tag, &value, &value_len); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3395 | OSMO_ASSERT(rc == (int)value_len + 2); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3396 | OSMO_ASSERT(value_len == exp_len); |
| 3397 | OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); |
| 3398 | } |
| 3399 | |
| 3400 | static void check_tv_fixed_match(uint8_t **data, size_t *data_len, |
| 3401 | uint8_t tag, size_t len, const uint8_t *exp_val) |
| 3402 | { |
| 3403 | uint8_t *value; |
| 3404 | int rc; |
| 3405 | |
| 3406 | rc = tv_fixed_match(data, data_len, tag ^ 1, len, NULL); |
| 3407 | OSMO_ASSERT(rc == 0); |
| 3408 | |
| 3409 | rc = tv_fixed_match(data, data_len, tag, len, &value); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3410 | OSMO_ASSERT(rc == (int)len + 1); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3411 | OSMO_ASSERT(memcmp(value, exp_val, len) == 0); |
| 3412 | } |
| 3413 | |
| 3414 | static void check_v_fixed_shift(uint8_t **data, size_t *data_len, |
| 3415 | size_t len, const uint8_t *exp_val) |
| 3416 | { |
| 3417 | uint8_t *value; |
| 3418 | int rc; |
| 3419 | |
| 3420 | rc = v_fixed_shift(data, data_len, len, &value); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3421 | OSMO_ASSERT(rc == (int)len); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3422 | OSMO_ASSERT(memcmp(value, exp_val, len) == 0); |
| 3423 | } |
| 3424 | |
| 3425 | static void check_lv_shift(uint8_t **data, size_t *data_len, |
| 3426 | size_t exp_len, const uint8_t *exp_val) |
| 3427 | { |
| 3428 | uint8_t *value; |
| 3429 | size_t value_len; |
| 3430 | int rc; |
| 3431 | |
| 3432 | rc = lv_shift(data, data_len, &value, &value_len); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3433 | OSMO_ASSERT(rc == (int)value_len + 1); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3434 | OSMO_ASSERT(value_len == exp_len); |
| 3435 | OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); |
| 3436 | } |
| 3437 | |
| 3438 | static void check_tlv_match_data_len(size_t data_len, uint8_t tag, size_t len, |
| 3439 | const uint8_t *test_data) |
| 3440 | { |
| 3441 | uint8_t buf[300] = {0}; |
| 3442 | |
| 3443 | uint8_t *unchanged_ptr = buf - 1; |
| 3444 | size_t unchanged_len = 0xdead; |
| 3445 | size_t tmp_data_len = data_len; |
| 3446 | uint8_t *value = unchanged_ptr; |
| 3447 | size_t value_len = unchanged_len; |
| 3448 | uint8_t *data = buf; |
| 3449 | |
| 3450 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 3451 | |
| 3452 | tlv_put(data, tag, len, test_data); |
| 3453 | if (data_len < len + 2) { |
| 3454 | OSMO_ASSERT(-1 == tlv_match(&data, &tmp_data_len, |
| 3455 | tag, &value, &value_len)); |
| 3456 | OSMO_ASSERT(tmp_data_len == 0); |
| 3457 | OSMO_ASSERT(data == buf + data_len); |
| 3458 | OSMO_ASSERT(value == unchanged_ptr); |
| 3459 | OSMO_ASSERT(value_len == unchanged_len); |
| 3460 | } else { |
| 3461 | OSMO_ASSERT(0 <= tlv_match(&data, &tmp_data_len, |
| 3462 | tag, &value, &value_len)); |
| 3463 | OSMO_ASSERT(value != unchanged_ptr); |
| 3464 | OSMO_ASSERT(value_len != unchanged_len); |
| 3465 | } |
| 3466 | } |
| 3467 | |
| 3468 | static void check_tv_fixed_match_data_len(size_t data_len, |
| 3469 | uint8_t tag, size_t len, |
| 3470 | const uint8_t *test_data) |
| 3471 | { |
| 3472 | uint8_t buf[300] = {0}; |
| 3473 | |
| 3474 | uint8_t *unchanged_ptr = buf - 1; |
| 3475 | size_t tmp_data_len = data_len; |
| 3476 | uint8_t *value = unchanged_ptr; |
| 3477 | uint8_t *data = buf; |
| 3478 | |
| 3479 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 3480 | |
| 3481 | tv_fixed_put(data, tag, len, test_data); |
| 3482 | |
| 3483 | if (data_len < len + 1) { |
| 3484 | OSMO_ASSERT(-1 == tv_fixed_match(&data, &tmp_data_len, |
| 3485 | tag, len, &value)); |
| 3486 | OSMO_ASSERT(tmp_data_len == 0); |
| 3487 | OSMO_ASSERT(data == buf + data_len); |
| 3488 | OSMO_ASSERT(value == unchanged_ptr); |
| 3489 | } else { |
| 3490 | OSMO_ASSERT(0 <= tv_fixed_match(&data, &tmp_data_len, |
| 3491 | tag, len, &value)); |
| 3492 | OSMO_ASSERT(value != unchanged_ptr); |
| 3493 | } |
| 3494 | } |
| 3495 | |
| 3496 | static void check_v_fixed_shift_data_len(size_t data_len, |
| 3497 | size_t len, const uint8_t *test_data) |
| 3498 | { |
| 3499 | uint8_t buf[300] = {0}; |
| 3500 | |
| 3501 | uint8_t *unchanged_ptr = buf - 1; |
| 3502 | size_t tmp_data_len = data_len; |
| 3503 | uint8_t *value = unchanged_ptr; |
| 3504 | uint8_t *data = buf; |
| 3505 | |
| 3506 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 3507 | |
| 3508 | memcpy(data, test_data, len); |
| 3509 | |
| 3510 | if (data_len < len) { |
| 3511 | OSMO_ASSERT(-1 == v_fixed_shift(&data, &tmp_data_len, |
| 3512 | len, &value)); |
| 3513 | OSMO_ASSERT(tmp_data_len == 0); |
| 3514 | OSMO_ASSERT(data == buf + data_len); |
| 3515 | OSMO_ASSERT(value == unchanged_ptr); |
| 3516 | } else { |
| 3517 | OSMO_ASSERT(0 <= v_fixed_shift(&data, &tmp_data_len, |
| 3518 | len, &value)); |
| 3519 | OSMO_ASSERT(value != unchanged_ptr); |
| 3520 | } |
| 3521 | } |
| 3522 | |
| 3523 | static void check_lv_shift_data_len(size_t data_len, |
| 3524 | size_t len, const uint8_t *test_data) |
| 3525 | { |
| 3526 | uint8_t buf[300] = {0}; |
| 3527 | |
| 3528 | uint8_t *unchanged_ptr = buf - 1; |
| 3529 | size_t unchanged_len = 0xdead; |
| 3530 | size_t tmp_data_len = data_len; |
| 3531 | uint8_t *value = unchanged_ptr; |
| 3532 | size_t value_len = unchanged_len; |
| 3533 | uint8_t *data = buf; |
| 3534 | |
| 3535 | lv_put(data, len, test_data); |
| 3536 | if (data_len < len + 1) { |
| 3537 | OSMO_ASSERT(-1 == lv_shift(&data, &tmp_data_len, |
| 3538 | &value, &value_len)); |
| 3539 | OSMO_ASSERT(tmp_data_len == 0); |
| 3540 | OSMO_ASSERT(data == buf + data_len); |
| 3541 | OSMO_ASSERT(value == unchanged_ptr); |
| 3542 | OSMO_ASSERT(value_len == unchanged_len); |
| 3543 | } else { |
| 3544 | OSMO_ASSERT(0 <= lv_shift(&data, &tmp_data_len, |
| 3545 | &value, &value_len)); |
| 3546 | OSMO_ASSERT(value != unchanged_ptr); |
| 3547 | OSMO_ASSERT(value_len != unchanged_len); |
| 3548 | } |
| 3549 | } |
| 3550 | |
| 3551 | static void test_tlv_shift_functions() |
| 3552 | { |
| 3553 | uint8_t test_data[1024]; |
| 3554 | uint8_t buf[1024]; |
| 3555 | uint8_t *data_end; |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3556 | unsigned i, len; |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3557 | uint8_t *data; |
| 3558 | size_t data_len; |
| 3559 | const uint8_t tag = 0x1a; |
| 3560 | |
| 3561 | printf("Test shift functions\n"); |
| 3562 | |
| 3563 | for (i = 0; i < ARRAY_SIZE(test_data); i++) |
| 3564 | test_data[i] = (uint8_t)i; |
| 3565 | |
| 3566 | for (len = 0; len < 256; len++) { |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 3567 | const unsigned iterations = sizeof(buf) / (len + 2) / 4; |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3568 | |
| 3569 | memset(buf, 0xee, sizeof(buf)); |
| 3570 | data_end = data = buf; |
| 3571 | |
| 3572 | for (i = 0; i < iterations; i++) { |
| 3573 | data_end = tlv_put(data_end, tag, len, test_data); |
| 3574 | data_end = tv_fixed_put(data_end, tag, len, test_data); |
| 3575 | /* v_fixed_put */ |
| 3576 | memcpy(data_end, test_data, len); |
| 3577 | data_end += len; |
| 3578 | data_end = lv_put(data_end, len, test_data); |
| 3579 | } |
| 3580 | |
| 3581 | data_len = data_end - data; |
| 3582 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 3583 | |
| 3584 | for (i = 0; i < iterations; i++) { |
| 3585 | check_tlv_match(&data, &data_len, tag, len, test_data); |
| 3586 | check_tv_fixed_match(&data, &data_len, tag, len, test_data); |
| 3587 | check_v_fixed_shift(&data, &data_len, len, test_data); |
| 3588 | check_lv_shift(&data, &data_len, len, test_data); |
| 3589 | } |
| 3590 | |
| 3591 | OSMO_ASSERT(data == data_end); |
| 3592 | |
| 3593 | /* Test at end of data */ |
| 3594 | |
| 3595 | OSMO_ASSERT(-1 == tlv_match(&data, &data_len, tag, NULL, NULL)); |
| 3596 | OSMO_ASSERT(-1 == tv_fixed_match(&data, &data_len, tag, len, NULL)); |
| 3597 | OSMO_ASSERT((len ? -1 : 0) == v_fixed_shift(&data, &data_len, len, NULL)); |
| 3598 | OSMO_ASSERT(-1 == lv_shift(&data, &data_len, NULL, NULL)); |
| 3599 | |
| 3600 | /* Test invalid data_len */ |
| 3601 | for (data_len = 0; data_len <= len + 2 + 1; data_len += 1) { |
| 3602 | check_tlv_match_data_len(data_len, tag, len, test_data); |
| 3603 | check_tv_fixed_match_data_len(data_len, tag, len, test_data); |
| 3604 | check_v_fixed_shift_data_len(data_len, len, test_data); |
| 3605 | check_lv_shift_data_len(data_len, len, test_data); |
| 3606 | } |
| 3607 | } |
| 3608 | } |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3609 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3610 | struct gbproxy_link_info *register_tlli( |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3611 | struct gbproxy_peer *peer, uint32_t tlli, |
| 3612 | const uint8_t *imsi, size_t imsi_len, time_t now) |
| 3613 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3614 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 3615 | int imsi_matches = -1; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3616 | int tlli_already_known = 0; |
| 3617 | |
| 3618 | /* Check, whether the IMSI matches */ |
| 3619 | if (gprs_is_mi_imsi(imsi, imsi_len)) { |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 3620 | imsi_matches = gbproxy_check_imsi(peer, imsi, imsi_len); |
| 3621 | if (imsi_matches < 0) |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3622 | return NULL; |
| 3623 | } |
| 3624 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3625 | link_info = gbproxy_link_info_by_tlli(peer, tlli); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3626 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3627 | if (!link_info) { |
| 3628 | link_info = gbproxy_link_info_by_imsi(peer, imsi, imsi_len); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3629 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3630 | if (link_info) { |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3631 | /* TLLI has changed somehow, adjust it */ |
| 3632 | LOGP(DGPRS, LOGL_INFO, |
| 3633 | "The TLLI has changed from %08x to %08x\n", |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3634 | link_info->tlli.current, tlli); |
| 3635 | link_info->tlli.current = tlli; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3636 | } |
| 3637 | } |
| 3638 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3639 | if (!link_info) { |
| 3640 | link_info = gbproxy_link_info_alloc(peer); |
| 3641 | link_info->tlli.current = tlli; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3642 | } else { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3643 | gbproxy_detach_link_info(peer, link_info); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3644 | tlli_already_known = 1; |
| 3645 | } |
| 3646 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3647 | OSMO_ASSERT(link_info != NULL); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3648 | |
| 3649 | if (!tlli_already_known) |
| 3650 | LOGP(DGPRS, LOGL_INFO, "Adding TLLI %08x to list\n", tlli); |
| 3651 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3652 | gbproxy_attach_link_info(peer, now, link_info); |
| 3653 | gbproxy_update_link_info(link_info, imsi, imsi_len); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3654 | |
Jacob Erlbeck | 8992f30 | 2014-09-19 13:17:55 +0200 | [diff] [blame] | 3655 | if (imsi_matches >= 0) |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3656 | link_info->imsi_matches = imsi_matches; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3657 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3658 | return link_info; |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3659 | } |
| 3660 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3661 | static void test_gbproxy_tlli_expire(void) |
| 3662 | { |
| 3663 | struct gbproxy_config cfg = {0}; |
| 3664 | struct gbproxy_peer *peer; |
| 3665 | const char *err_msg = NULL; |
| 3666 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI, 0x23, 0x24, 0x25, 0x26 }; |
| 3667 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI, 0x26, 0x27, 0x28, 0x29 }; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3668 | 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] | 3669 | const uint32_t tlli1 = 1234 | 0xc0000000; |
| 3670 | const uint32_t tlli2 = 5678 | 0xc0000000; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3671 | const uint32_t tlli3 = 3456 | 0xc0000000; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3672 | const char *filter_re = ".*"; |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 3673 | time_t now = 1407479214; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3674 | |
| 3675 | printf("Test TLLI info expiry\n\n"); |
| 3676 | |
| 3677 | gbproxy_init_config(&cfg); |
| 3678 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3679 | 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] | 3680 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 3681 | err_msg); |
| 3682 | OSMO_ASSERT(err_msg == NULL); |
| 3683 | } |
| 3684 | |
| 3685 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3686 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3687 | |
| 3688 | printf("Test TLLI replacement:\n"); |
| 3689 | |
| 3690 | cfg.tlli_max_len = 0; |
| 3691 | cfg.tlli_max_age = 0; |
| 3692 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3693 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3694 | |
| 3695 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3696 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3697 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3698 | OSMO_ASSERT(link_info); |
| 3699 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3700 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3701 | |
| 3702 | /* replace the old entry */ |
| 3703 | printf(" Add TLLI 2, IMSI 1 (should replace TLLI 1)\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3704 | link_info = register_tlli(peer, tlli2, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3705 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3706 | OSMO_ASSERT(link_info); |
| 3707 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3708 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3709 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 3710 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3711 | |
| 3712 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3713 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 3714 | OSMO_ASSERT(link_info); |
| 3715 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
| 3716 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 3717 | OSMO_ASSERT(!link_info); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3718 | |
| 3719 | printf("\n"); |
| 3720 | |
| 3721 | gbproxy_peer_free(peer); |
| 3722 | } |
| 3723 | |
| 3724 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3725 | struct gbproxy_link_info *link_info; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3726 | |
| 3727 | printf("Test IMSI replacement:\n"); |
| 3728 | |
| 3729 | cfg.tlli_max_len = 0; |
| 3730 | cfg.tlli_max_age = 0; |
| 3731 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3732 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3733 | |
| 3734 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3735 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3736 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3737 | OSMO_ASSERT(link_info); |
| 3738 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3739 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3740 | |
| 3741 | /* try to replace the old entry */ |
| 3742 | printf(" Add TLLI 1, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3743 | link_info = register_tlli(peer, tlli1, |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3744 | imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3745 | OSMO_ASSERT(link_info); |
| 3746 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3747 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3748 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 3749 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3750 | |
| 3751 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3752 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 3753 | OSMO_ASSERT(!link_info); |
| 3754 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 3755 | OSMO_ASSERT(link_info); |
| 3756 | OSMO_ASSERT(link_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3757 | |
| 3758 | printf("\n"); |
| 3759 | |
| 3760 | gbproxy_peer_free(peer); |
| 3761 | } |
| 3762 | |
| 3763 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3764 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 3765 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3766 | |
| 3767 | printf("Test TLLI expiry, max_len == 1:\n"); |
| 3768 | |
| 3769 | cfg.tlli_max_len = 1; |
| 3770 | cfg.tlli_max_age = 0; |
| 3771 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3772 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3773 | |
| 3774 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3775 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3776 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3777 | |
| 3778 | /* replace the old entry */ |
| 3779 | printf(" Add TLLI 2, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3780 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3781 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 3782 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3783 | num_removed = gbproxy_remove_stale_link_infos(peer, time(NULL) + 2); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 3784 | OSMO_ASSERT(num_removed == 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3785 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3786 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 3787 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3788 | |
| 3789 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3790 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 3791 | OSMO_ASSERT(!link_info); |
| 3792 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 3793 | OSMO_ASSERT(link_info); |
| 3794 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3795 | |
| 3796 | printf("\n"); |
| 3797 | |
| 3798 | gbproxy_peer_free(peer); |
| 3799 | } |
| 3800 | |
| 3801 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3802 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 3803 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3804 | |
| 3805 | printf("Test TLLI expiry, max_age == 1:\n"); |
| 3806 | |
| 3807 | cfg.tlli_max_len = 0; |
| 3808 | cfg.tlli_max_age = 1; |
| 3809 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3810 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3811 | |
| 3812 | printf(" Add TLLI 1, IMSI 1 (should expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3813 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3814 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3815 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3816 | printf(" Add TLLI 2, IMSI 2 (should not expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3817 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3818 | now + 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3819 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3820 | |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3821 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3822 | OSMO_ASSERT(num_removed == 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3823 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3824 | |
| 3825 | dump_peers(stdout, 2, now + 2, &cfg); |
| 3826 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 3827 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3828 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 3829 | OSMO_ASSERT(!link_info); |
| 3830 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 3831 | OSMO_ASSERT(link_info); |
| 3832 | OSMO_ASSERT(link_info->tlli.current == tlli2); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 3833 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3834 | printf("\n"); |
| 3835 | |
| 3836 | gbproxy_peer_free(peer); |
| 3837 | } |
| 3838 | |
| 3839 | { |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3840 | struct gbproxy_link_info *link_info; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3841 | int num_removed; |
| 3842 | |
| 3843 | printf("Test TLLI expiry, max_len == 2, max_age == 1:\n"); |
| 3844 | |
| 3845 | cfg.tlli_max_len = 0; |
| 3846 | cfg.tlli_max_age = 1; |
| 3847 | peer = gbproxy_peer_alloc(&cfg, 20); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3848 | OSMO_ASSERT(peer->patch_state.logical_link_count == 0); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3849 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3850 | printf(" Add TLLI 1, IMSI 1 (should expire)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3851 | register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3852 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3853 | |
| 3854 | printf(" Add TLLI 2, IMSI 2 (should expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3855 | register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3856 | now + 1); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3857 | OSMO_ASSERT(peer->patch_state.logical_link_count == 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3858 | |
| 3859 | printf(" Add TLLI 3, IMSI 3 (should not expire after timeout)\n"); |
Jacob Erlbeck | a42fe9f | 2014-09-12 14:15:02 +0200 | [diff] [blame] | 3860 | register_tlli(peer, tlli3, imsi3, ARRAY_SIZE(imsi3), |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3861 | now + 2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3862 | OSMO_ASSERT(peer->patch_state.logical_link_count == 3); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3863 | |
| 3864 | dump_peers(stdout, 2, now + 2, &cfg); |
| 3865 | |
| 3866 | printf(" Remove stale TLLIs\n"); |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3867 | num_removed = gbproxy_remove_stale_link_infos(peer, now + 3); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3868 | OSMO_ASSERT(num_removed == 2); |
Jacob Erlbeck | f8562e3 | 2014-09-19 16:03:07 +0200 | [diff] [blame] | 3869 | OSMO_ASSERT(peer->patch_state.logical_link_count == 1); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3870 | |
| 3871 | dump_peers(stdout, 2, now + 2, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3872 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 3873 | /* verify that tlli3 has survived */ |
Jacob Erlbeck | 91d2f8a | 2014-09-19 15:07:27 +0200 | [diff] [blame] | 3874 | link_info = gbproxy_link_info_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 3875 | OSMO_ASSERT(!link_info); |
| 3876 | link_info = gbproxy_link_info_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 3877 | OSMO_ASSERT(!link_info); |
| 3878 | link_info = gbproxy_link_info_by_imsi(peer, imsi3, ARRAY_SIZE(imsi3)); |
| 3879 | OSMO_ASSERT(link_info); |
| 3880 | OSMO_ASSERT(link_info->tlli.current == tlli3); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 3881 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3882 | printf("\n"); |
| 3883 | |
| 3884 | gbproxy_peer_free(peer); |
| 3885 | } |
| 3886 | } |
| 3887 | |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3888 | static void test_gbproxy_imsi_matching(void) |
| 3889 | { |
| 3890 | struct gbproxy_config cfg = {0}; |
| 3891 | struct gbproxy_peer *peer; |
| 3892 | const char *err_msg = NULL; |
| 3893 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI | 0x10, 0x32, 0x54, 0xf6 }; |
| 3894 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 3895 | const uint8_t imsi3_bad[] = { GSM_MI_TYPE_IMSI | 0x10, 0xee, 0x54, 0xff }; |
| 3896 | const uint8_t tmsi1[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22, 0x33, 0x44 }; |
| 3897 | const uint8_t tmsi2_bad[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22 }; |
| 3898 | const uint8_t imei1[] = { GSM_MI_TYPE_IMEI | 0x10, 0x32, 0x54, 0xf6 }; |
| 3899 | const uint8_t imei2[] = { GSM_MI_TYPE_IMEI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 3900 | const char *filter_re1 = ".*"; |
| 3901 | const char *filter_re2 = "^1234"; |
| 3902 | const char *filter_re3 = "^4321"; |
| 3903 | const char *filter_re4_bad = "^12["; |
| 3904 | |
| 3905 | printf("=== Test IMSI/TMSI matching ===\n\n"); |
| 3906 | |
| 3907 | gbproxy_init_config(&cfg); |
| 3908 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 3909 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3910 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re1, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3911 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 3912 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3913 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3914 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 3915 | |
| 3916 | err_msg = NULL; |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3917 | 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] | 3918 | OSMO_ASSERT(err_msg != NULL); |
| 3919 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 3920 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3921 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3922 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 3923 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3924 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, NULL, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3925 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 3926 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3927 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
Jacob Erlbeck | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 3928 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 3929 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3930 | gbproxy_clear_patch_filter(&cfg); |
Jacob Erlbeck | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 3931 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 3932 | |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3933 | peer = gbproxy_peer_alloc(&cfg, 20); |
| 3934 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3935 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3936 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 3937 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3938 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi1, ARRAY_SIZE(imsi1)) == 1); |
| 3939 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi2, ARRAY_SIZE(imsi2)) == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3940 | /* imsi3_bad contains 0xE and 0xF digits, but the conversion function |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3941 | * 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] | 3942 | * case. */ |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3943 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == 0); |
| 3944 | OSMO_ASSERT(gbproxy_check_imsi(peer, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 3945 | OSMO_ASSERT(gbproxy_check_imsi(peer, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 3946 | OSMO_ASSERT(gbproxy_check_imsi(peer, imei1, ARRAY_SIZE(imei1)) == -1); |
| 3947 | OSMO_ASSERT(gbproxy_check_imsi(peer, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3948 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3949 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re3, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3950 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 3951 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3952 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi1, ARRAY_SIZE(imsi1)) == 0); |
| 3953 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi2, ARRAY_SIZE(imsi2)) == 0); |
| 3954 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == 0); |
| 3955 | OSMO_ASSERT(gbproxy_check_imsi(peer, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 3956 | OSMO_ASSERT(gbproxy_check_imsi(peer, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 3957 | OSMO_ASSERT(gbproxy_check_imsi(peer, imei1, ARRAY_SIZE(imei1)) == -1); |
| 3958 | OSMO_ASSERT(gbproxy_check_imsi(peer, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3959 | |
| 3960 | /* TODO: Check correct length but wrong type with is_mi_tmsi */ |
| 3961 | |
| 3962 | gbproxy_peer_free(peer); |
| 3963 | } |
| 3964 | |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 3965 | static struct log_info_cat gprs_categories[] = { |
| 3966 | [DGPRS] = { |
| 3967 | .name = "DGPRS", |
| 3968 | .description = "GPRS Packet Service", |
| 3969 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 3970 | }, |
| 3971 | [DNS] = { |
| 3972 | .name = "DNS", |
| 3973 | .description = "GPRS Network Service (NS)", |
| 3974 | .enabled = 1, .loglevel = LOGL_INFO, |
| 3975 | }, |
| 3976 | [DBSSGP] = { |
| 3977 | .name = "DBSSGP", |
| 3978 | .description = "GPRS BSS Gateway Protocol (BSSGP)", |
| 3979 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 3980 | }, |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 3981 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 3982 | |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 3983 | static struct log_info info = { |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 3984 | .cat = gprs_categories, |
| 3985 | .num_cat = ARRAY_SIZE(gprs_categories), |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 3986 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 3987 | |
| 3988 | int main(int argc, char **argv) |
| 3989 | { |
| 3990 | osmo_init_logging(&info); |
| 3991 | log_set_use_color(osmo_stderr_target, 0); |
| 3992 | log_set_print_filename(osmo_stderr_target, 0); |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 3993 | osmo_signal_register_handler(SS_L_NS, &test_signal, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 3994 | |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 3995 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 3996 | log_set_log_level(osmo_stderr_target, LOGL_DEBUG); |
| 3997 | log_set_all_filter(osmo_stderr_target, 1); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 3998 | |
| 3999 | rate_ctr_init(NULL); |
| 4000 | |
| 4001 | setlinebuf(stdout); |
| 4002 | |
| 4003 | printf("===== GbProxy test START\n"); |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 4004 | gbproxy_init_config(&gbcfg); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 4005 | test_tlv_shift_functions(); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4006 | test_gbproxy(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4007 | test_gbproxy_ident_changes(); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 4008 | test_gbproxy_imsi_matching(); |
Jacob Erlbeck | 04f679b | 2014-09-18 09:21:20 +0200 | [diff] [blame] | 4009 | test_gbproxy_ptmsi_assignment(); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 4010 | test_gbproxy_ra_patching(); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 4011 | test_gbproxy_ptmsi_patching(); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 4012 | test_gbproxy_imsi_acquisition(); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 4013 | test_gbproxy_secondary_sgsn(); |
Jacob Erlbeck | 772a22b | 2014-09-15 14:18:09 +0200 | [diff] [blame] | 4014 | test_gbproxy_keep_info(); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 4015 | test_gbproxy_tlli_expire(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 4016 | printf("===== GbProxy test END\n\n"); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 4017 | |
| 4018 | exit(EXIT_SUCCESS); |
| 4019 | } |