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) { |
Holger Hans Peter Freyther | 1ddd9e5 | 2014-08-04 11:35:32 +0200 | [diff] [blame] | 90 | struct gbproxy_tlli_info *tlli_info; |
| 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", |
| 120 | indent, "", state->enabled_tllis_count); |
| 121 | llist_for_each_entry(tlli_info, &state->enabled_tllis, list) { |
| 122 | char mi_buf[200]; |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 123 | time_t age = now ? now - tlli_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; |
| 126 | llist_for_each(iter, &tlli_info->stored_msgs) |
| 127 | stored_msgs++; |
| 128 | |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 129 | if (tlli_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 | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 132 | tlli_info->imsi, |
| 133 | tlli_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 | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 138 | indent, "", tlli_info->tlli.current); |
| 139 | if (tlli_info->tlli.assigned) |
| 140 | fprintf(stream, "/%08x", tlli_info->tlli.assigned); |
| 141 | if (tlli_info->sgsn_tlli.current) { |
| 142 | fprintf(stream, " -> %08x", |
| 143 | tlli_info->sgsn_tlli.current); |
| 144 | if (tlli_info->sgsn_tlli.assigned) |
| 145 | fprintf(stream, "/%08x", |
| 146 | tlli_info->sgsn_tlli.assigned); |
| 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 | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 154 | if (cfg->check_imsi && tlli_info->enable_patching) |
| 155 | fprintf(stream, ", IMSI matches"); |
| 156 | |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 157 | if (tlli_info->imsi_acq_pending) |
| 158 | fprintf(stream, ", IMSI acquisition in progress"); |
| 159 | |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 160 | rc = fprintf(stream, "\n"); |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 161 | if (rc < 0) |
| 162 | return rc; |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | return 0; |
| 167 | } |
| 168 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 169 | const uint8_t *convert_ra(struct gprs_ra_id *raid) |
| 170 | { |
| 171 | static uint8_t buf[6]; |
| 172 | gsm48_construct_ra(buf, raid); |
| 173 | return buf; |
| 174 | } |
| 175 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 176 | /* DTAP - Attach Request */ |
| 177 | static const unsigned char dtap_attach_req[] = { |
| 178 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 179 | 0x05, 0xf4, 0xfb, 0xc5, 0x46, 0x79, 0x11, 0x22, |
| 180 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 181 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 182 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 183 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 184 | }; |
| 185 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 186 | /* DTAP - Attach Request (invalid RAI) */ |
| 187 | static const unsigned char dtap_attach_req2[] = { |
| 188 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 189 | 0x05, 0xf4, 0xfb, 0x00, 0xbe, 0xef, 0x99, 0x99, |
| 190 | 0x99, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 191 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 192 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 193 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 194 | }; |
| 195 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 196 | /* DTAP - Identity Request */ |
| 197 | static const unsigned char dtap_identity_req[] = { |
| 198 | 0x08, 0x15, 0x01 |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 199 | }; |
| 200 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 201 | /* DTAP - Identity Response */ |
| 202 | static const unsigned char dtap_identity_resp[] = { |
| 203 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x13, 0x14, 0x15, |
| 204 | 0x16, 0x17, 0x18 |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 205 | }; |
| 206 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 207 | /* DTAP - Identity Response, IMSI 2 */ |
| 208 | static const unsigned char dtap_identity2_resp[] = { |
| 209 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x99, 0x99, 0x99, |
| 210 | 0x16, 0x17, 0x18 |
| 211 | }; |
| 212 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 213 | /* DTAP - Attach Accept */ |
| 214 | static const unsigned char dtap_attach_acc[] = { |
| 215 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 216 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 217 | 0x16, 0x18, 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 218 | }; |
| 219 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 220 | /* DTAP - Attach Accept, P-TMSI 2 */ |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 221 | static const unsigned char dtap_attach_acc2[] = { |
| 222 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 223 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 224 | 0x16, 0x18, 0x05, 0xf4, 0xe0, 0x98, 0x76, 0x54 |
| 225 | }; |
| 226 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 227 | /* DTAP - Attach Complete */ |
| 228 | static const unsigned char dtap_attach_complete[] = { |
| 229 | 0x08, 0x03 |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 230 | }; |
| 231 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 232 | /* DTAP - GMM Information */ |
| 233 | static const unsigned char dtap_gmm_information[] = { |
| 234 | 0x08, 0x21 |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 235 | }; |
| 236 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 237 | /* DTAP - Routing Area Update Request */ |
| 238 | static const unsigned char dtap_ra_upd_req[] = { |
| 239 | 0x08, 0x08, 0x10, 0x11, 0x22, 0x33, 0x40, 0x50, |
| 240 | 0x60, 0x1d, 0x19, 0x13, 0x42, 0x33, 0x57, 0x2b, |
| 241 | 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, 0x50, 0xc8, |
| 242 | 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, 0x48, 0x02, |
| 243 | 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, 0x00, 0x19, |
| 244 | 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, 0x07, 0x04, |
| 245 | 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, 0x20, 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 246 | }; |
| 247 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 248 | /* DTAP - Routing Area Update Accept */ |
| 249 | static const unsigned char dtap_ra_upd_acc[] = { |
| 250 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 251 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 252 | 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x17, 0x16, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 253 | }; |
| 254 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 255 | /* DTAP - Routing Area Update Accept, P-TMSI 2 */ |
| 256 | static const unsigned char dtap_ra_upd_acc2[] = { |
| 257 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 258 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 259 | 0x05, 0xf4, 0xe0, 0x98, 0x76, 0x54, 0x17, 0x16, |
| 260 | }; |
| 261 | |
| 262 | /* DTAP - Routing Area Update Accept, P-TMSI 3 */ |
| 263 | static const unsigned char dtap_ra_upd_acc3[] = { |
| 264 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 265 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 266 | 0x05, 0xf4, 0xe0, 0x54, 0x32, 0x10, 0x17, 0x16, |
| 267 | }; |
| 268 | |
| 269 | /* DTAP - Routing Area Update Complete */ |
| 270 | static const unsigned char dtap_ra_upd_complete[] = { |
| 271 | 0x08, 0x0a |
| 272 | }; |
| 273 | |
| 274 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 275 | /* DTAP - Activate PDP Context Request */ |
| 276 | static const unsigned char dtap_act_pdp_ctx_req[] = { |
| 277 | 0x0a, 0x41, 0x05, 0x03, 0x0c, 0x00, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 278 | 0x00, 0x1f, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 279 | 0x00, 0x00, 0x00, 0x02, 0x01, 0x21, 0x28, 0x03, |
| 280 | 0x02, 0x61, 0x62, 0x27, 0x14, 0x80, 0x80, 0x21, |
| 281 | 0x10, 0x01, 0x00, 0x00, 0x10, 0x81, 0x06, 0x00, |
| 282 | 0x00, 0x00, 0x00, 0x83, 0x06, 0x00, 0x00, 0x00, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 283 | 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 284 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 285 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 286 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 287 | /* normal detach, power_off = 1 */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 288 | static const unsigned char dtap_detach_po_req[] = { |
| 289 | 0x08, 0x05, 0x09, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 290 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 291 | }; |
| 292 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 293 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 294 | /* normal detach, power_off = 0 */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 295 | static const unsigned char dtap_detach_req[] = { |
| 296 | 0x08, 0x05, 0x01, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 297 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 298 | }; |
| 299 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 300 | /* DTAP - Detach Accept */ |
| 301 | static const unsigned char dtap_detach_acc[] = { |
| 302 | 0x08, 0x06, 0x00 |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 303 | }; |
| 304 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 305 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 306 | static const unsigned char llc_u_xid_ul[] = { |
| 307 | 0x41, 0xfb, 0x01, 0x00, 0x0e, 0x00, 0x64, 0x11, |
| 308 | 0x05, 0x16, 0x01, 0x90, 0x66, 0xb3, 0x28 |
| 309 | }; |
| 310 | |
| 311 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 312 | static const unsigned char llc_u_xid_dl[] = { |
| 313 | 0x41, 0xfb, 0x30, 0x84, 0x10, 0x61, 0xb6, 0x64, |
| 314 | 0xe4, 0xa9, 0x1a, 0x9e |
| 315 | }; |
| 316 | |
| 317 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 318 | static const unsigned char llc_ui_ll11_dns_query_ul[] = { |
| 319 | 0x0b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 320 | 0x00, 0x00, 0x38, 0x95, 0x72, 0x00, 0x00, 0x45, |
| 321 | 0x11, 0x20, 0x85, 0x0a, 0xc0, 0x07, 0xe4, 0xac, |
| 322 | 0x10, 0x01, 0x0a, 0xad, 0xab, 0x00, 0x35, 0x00, |
| 323 | 0x24, 0x0e, 0x1c, 0x3b, 0xe0, 0x01, 0x00, 0x00, |
| 324 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 325 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 326 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0x47, |
| 327 | 0x8f, 0x07 |
| 328 | }; |
| 329 | |
| 330 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 331 | static const unsigned char llc_ui_ll11_dns_resp_dl[] = { |
| 332 | 0x4b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 333 | 0x00, 0x00, 0xc6, 0x00, 0x00, 0x40, 0x00, 0x3e, |
| 334 | 0x11, 0x7c, 0x69, 0xac, 0x10, 0x01, 0x0a, 0x0a, |
| 335 | 0xc0, 0x07, 0xe4, 0x00, 0x35, 0xad, 0xab, 0x00, |
| 336 | 0xb2, 0x74, 0x4e, 0x3b, 0xe0, 0x81, 0x80, 0x00, |
| 337 | 0x01, 0x00, 0x01, 0x00, 0x05, 0x00, 0x00, 0x01, |
| 338 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 339 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0xc0, |
| 340 | 0x0c, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 341 | 0x10, 0x00, 0x04, 0xc1, 0x63, 0x90, 0x58, 0xc0, |
| 342 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 343 | 0x10, 0x00, 0x16, 0x03, 0x6e, 0x73, 0x32, 0x0c, |
| 344 | 0x70, 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, |
| 345 | 0x6f, 0x76, 0x65, 0x72, 0x03, 0x6e, 0x65, 0x74, |
| 346 | 0x00, 0xc0, 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, |
| 347 | 0x00, 0x0e, 0x10, 0x00, 0x10, 0x02, 0x6e, 0x73, |
| 348 | 0x01, 0x73, 0x08, 0x70, 0x6c, 0x75, 0x73, 0x6c, |
| 349 | 0x69, 0x6e, 0x65, 0xc0, 0x14, 0xc0, 0x0e, 0x00, |
| 350 | 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, 0x00, |
| 351 | 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x0e, 0xc0, 0x0e, |
| 352 | 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, |
| 353 | 0x00, 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x5f, 0xc0, |
| 354 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 355 | 0x10, 0x00, 0x12, 0x02, 0x6e, 0x73, 0x0c, 0x70, |
| 356 | 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, 0x6f, |
| 357 | 0x76, 0x65, 0x72, 0xc0, 0x14, 0xaa, 0xdf, 0x31 |
| 358 | }; |
| 359 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 360 | static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, |
| 361 | struct sockaddr_in *peer, const unsigned char* data, |
| 362 | size_t data_len); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 363 | |
| 364 | static void send_ns_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 365 | enum ns_cause cause, uint16_t nsvci, uint16_t nsei) |
| 366 | { |
| 367 | /* GPRS Network Service, PDU type: NS_RESET, |
| 368 | */ |
| 369 | unsigned char msg[12] = { |
| 370 | 0x02, 0x00, 0x81, 0x01, 0x01, 0x82, 0x11, 0x22, |
| 371 | 0x04, 0x82, 0x11, 0x22 |
| 372 | }; |
| 373 | |
| 374 | msg[3] = cause; |
| 375 | msg[6] = nsvci / 256; |
| 376 | msg[7] = nsvci % 256; |
| 377 | msg[10] = nsei / 256; |
| 378 | msg[11] = nsei % 256; |
| 379 | |
| 380 | gprs_process_message(nsi, "RESET", src_addr, msg, sizeof(msg)); |
| 381 | } |
| 382 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 383 | static void send_ns_reset_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 384 | uint16_t nsvci, uint16_t nsei) |
| 385 | { |
| 386 | /* GPRS Network Service, PDU type: NS_RESET_ACK, |
| 387 | */ |
| 388 | unsigned char msg[9] = { |
| 389 | 0x03, 0x01, 0x82, 0x11, 0x22, |
| 390 | 0x04, 0x82, 0x11, 0x22 |
| 391 | }; |
| 392 | |
| 393 | msg[3] = nsvci / 256; |
| 394 | msg[4] = nsvci % 256; |
| 395 | msg[7] = nsei / 256; |
| 396 | msg[8] = nsei % 256; |
| 397 | |
| 398 | gprs_process_message(nsi, "RESET_ACK", src_addr, msg, sizeof(msg)); |
| 399 | } |
| 400 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 401 | static void send_ns_alive(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 402 | { |
| 403 | /* GPRS Network Service, PDU type: NS_ALIVE */ |
| 404 | unsigned char msg[1] = { |
| 405 | 0x0a |
| 406 | }; |
| 407 | |
| 408 | gprs_process_message(nsi, "ALIVE", src_addr, msg, sizeof(msg)); |
| 409 | } |
| 410 | |
| 411 | static void send_ns_alive_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 412 | { |
| 413 | /* GPRS Network Service, PDU type: NS_ALIVE_ACK */ |
| 414 | unsigned char msg[1] = { |
| 415 | 0x0b |
| 416 | }; |
| 417 | |
| 418 | gprs_process_message(nsi, "ALIVE_ACK", src_addr, msg, sizeof(msg)); |
| 419 | } |
| 420 | |
| 421 | static void send_ns_unblock(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 422 | { |
| 423 | /* GPRS Network Service, PDU type: NS_UNBLOCK */ |
| 424 | unsigned char msg[1] = { |
| 425 | 0x06 |
| 426 | }; |
| 427 | |
| 428 | gprs_process_message(nsi, "UNBLOCK", src_addr, msg, sizeof(msg)); |
| 429 | } |
| 430 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 431 | static void send_ns_unblock_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 432 | { |
| 433 | /* GPRS Network Service, PDU type: NS_UNBLOCK_ACK */ |
| 434 | unsigned char msg[1] = { |
| 435 | 0x07 |
| 436 | }; |
| 437 | |
| 438 | gprs_process_message(nsi, "UNBLOCK_ACK", src_addr, msg, sizeof(msg)); |
| 439 | } |
| 440 | |
| 441 | static void send_ns_unitdata(struct gprs_ns_inst *nsi, const char *text, |
| 442 | struct sockaddr_in *src_addr, uint16_t nsbvci, |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 443 | const unsigned char *bssgp_msg, size_t bssgp_msg_size) |
| 444 | { |
| 445 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 446 | unsigned char msg[4096] = { |
| 447 | 0x00, 0x00, 0x00, 0x00 |
| 448 | }; |
| 449 | |
| 450 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg) - 4); |
| 451 | |
| 452 | msg[2] = nsbvci / 256; |
| 453 | msg[3] = nsbvci % 256; |
| 454 | memcpy(msg + 4, bssgp_msg, bssgp_msg_size); |
| 455 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 456 | 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] | 457 | } |
| 458 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 459 | static void send_bssgp_ul_unitdata( |
| 460 | struct gprs_ns_inst *nsi, const char *text, |
| 461 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 462 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 463 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 464 | { |
| 465 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 466 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 467 | unsigned char msg[4096] = { |
| 468 | 0x01, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, |
| 469 | 0x08, 0x88, /* RAI */ 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 470 | /* CELL ID */ 0x00, 0x00, 0x00, 0x80, 0x0e, /* LLC LEN */ 0x00, 0x00, |
| 471 | }; |
| 472 | |
| 473 | size_t bssgp_msg_size = 23 + llc_msg_size; |
| 474 | |
| 475 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg)); |
| 476 | |
| 477 | gsm48_construct_ra(msg + 10, raid); |
| 478 | msg[1] = (uint8_t)(tlli >> 24); |
| 479 | msg[2] = (uint8_t)(tlli >> 16); |
| 480 | msg[3] = (uint8_t)(tlli >> 8); |
| 481 | msg[4] = (uint8_t)(tlli >> 0); |
| 482 | msg[16] = cell_id / 256; |
| 483 | msg[17] = cell_id % 256; |
| 484 | msg[21] = llc_msg_size / 256; |
| 485 | msg[22] = llc_msg_size % 256; |
| 486 | memcpy(msg + 23, llc_msg, llc_msg_size); |
| 487 | |
| 488 | send_ns_unitdata(nsi, text ? text : "BSSGP UL UNITDATA", |
| 489 | src_addr, nsbvci, msg, bssgp_msg_size); |
| 490 | } |
| 491 | |
| 492 | static void send_bssgp_dl_unitdata( |
| 493 | struct gprs_ns_inst *nsi, const char *text, |
| 494 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 495 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 496 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 497 | { |
| 498 | /* Base Station Subsystem GPRS Protocol: DL_UNITDATA */ |
| 499 | unsigned char msg[4096] = { |
| 500 | 0x00, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x20, |
| 501 | 0x16, 0x82, 0x02, 0x58, |
| 502 | }; |
| 503 | unsigned char racap_drx[] = { |
| 504 | 0x13, 0x99, 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, |
| 505 | 0x62, 0x00, 0x60, 0x80, 0x9a, 0xc2, 0xc6, 0x62, |
| 506 | 0x00, 0x60, 0x80, 0xba, 0xc8, 0xc6, 0x62, 0x00, |
| 507 | 0x60, 0x80, 0x00, 0x0a, 0x82, 0x08, 0x02 |
| 508 | }; |
| 509 | |
| 510 | size_t bssgp_msg_size = 0; |
| 511 | |
| 512 | OSMO_ASSERT(51 + imsi_size + llc_msg_size <= sizeof(msg)); |
| 513 | |
| 514 | msg[1] = (uint8_t)(tlli >> 24); |
| 515 | msg[2] = (uint8_t)(tlli >> 16); |
| 516 | msg[3] = (uint8_t)(tlli >> 8); |
| 517 | msg[4] = (uint8_t)(tlli >> 0); |
| 518 | |
| 519 | bssgp_msg_size = 12; |
| 520 | |
| 521 | if (with_racap_drx) { |
| 522 | memcpy(msg + bssgp_msg_size, racap_drx, sizeof(racap_drx)); |
| 523 | bssgp_msg_size += sizeof(racap_drx); |
| 524 | } |
| 525 | |
| 526 | if (imsi) { |
| 527 | OSMO_ASSERT(imsi_size <= 127); |
| 528 | msg[bssgp_msg_size] = BSSGP_IE_IMSI; |
| 529 | msg[bssgp_msg_size + 1] = 0x80 | imsi_size; |
| 530 | memcpy(msg + bssgp_msg_size + 2, imsi, imsi_size); |
| 531 | bssgp_msg_size += 2 + imsi_size; |
| 532 | } |
| 533 | |
| 534 | if ((bssgp_msg_size % 4) != 0) { |
| 535 | size_t abytes = (4 - (bssgp_msg_size + 2) % 4) % 4; |
| 536 | msg[bssgp_msg_size] = BSSGP_IE_ALIGNMENT; |
| 537 | msg[bssgp_msg_size + 1] = 0x80 | abytes; |
| 538 | memset(msg + bssgp_msg_size + 2, 0, abytes); |
| 539 | bssgp_msg_size += 2 + abytes; |
| 540 | } |
| 541 | |
| 542 | msg[bssgp_msg_size] = BSSGP_IE_LLC_PDU; |
| 543 | if (llc_msg_size < 128) { |
| 544 | msg[bssgp_msg_size + 1] = 0x80 | llc_msg_size; |
| 545 | bssgp_msg_size += 2; |
| 546 | } else { |
| 547 | msg[bssgp_msg_size + 1] = llc_msg_size / 256; |
| 548 | msg[bssgp_msg_size + 2] = llc_msg_size % 256; |
| 549 | bssgp_msg_size += 3; |
| 550 | } |
| 551 | memcpy(msg + bssgp_msg_size, llc_msg, llc_msg_size); |
| 552 | bssgp_msg_size += llc_msg_size; |
| 553 | |
| 554 | |
| 555 | send_ns_unitdata(nsi, text ? text : "BSSGP DL UNITDATA", |
| 556 | src_addr, nsbvci, msg, bssgp_msg_size); |
| 557 | } |
| 558 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 559 | static void send_bssgp_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 560 | uint16_t bvci) |
| 561 | { |
| 562 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 563 | * BSSGP RESET */ |
Jacob Erlbeck | da4b492 | 2014-08-06 12:38:10 +0200 | [diff] [blame] | 564 | unsigned char msg[18] = { |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 565 | 0x22, 0x04, 0x82, 0x4a, |
Jacob Erlbeck | def0391 | 2014-06-02 10:48:59 +0200 | [diff] [blame] | 566 | 0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x11, 0x22, |
| 567 | 0x33, 0x40, 0x50, 0x60, 0x10, 0x00 |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 568 | }; |
| 569 | |
| 570 | msg[3] = bvci / 256; |
| 571 | msg[4] = bvci % 256; |
| 572 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 573 | send_ns_unitdata(nsi, "BVC_RESET", src_addr, 0, msg, sizeof(msg)); |
| 574 | } |
| 575 | |
| 576 | static void send_bssgp_reset_ack(struct gprs_ns_inst *nsi, |
| 577 | struct sockaddr_in *src_addr, uint16_t bvci) |
| 578 | { |
| 579 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 580 | * BSSGP RESET_ACK */ |
| 581 | static unsigned char msg[5] = { |
| 582 | 0x23, 0x04, 0x82, 0x00, |
| 583 | 0x00 |
| 584 | }; |
| 585 | |
| 586 | msg[3] = bvci / 256; |
| 587 | msg[4] = bvci % 256; |
| 588 | |
| 589 | 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] | 590 | } |
| 591 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 592 | static void send_bssgp_suspend(struct gprs_ns_inst *nsi, |
| 593 | struct sockaddr_in *src_addr, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 594 | uint32_t tlli, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 595 | struct gprs_ra_id *raid) |
| 596 | { |
| 597 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 598 | unsigned char msg[15] = { |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 599 | 0x0b, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 600 | 0x86, /* RAI */ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 601 | }; |
| 602 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 603 | msg[3] = (uint8_t)(tlli >> 24); |
| 604 | msg[4] = (uint8_t)(tlli >> 16); |
| 605 | msg[5] = (uint8_t)(tlli >> 8); |
| 606 | msg[6] = (uint8_t)(tlli >> 0); |
| 607 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 608 | gsm48_construct_ra(msg + 9, raid); |
| 609 | |
| 610 | send_ns_unitdata(nsi, "BVC_SUSPEND", src_addr, 0, msg, sizeof(msg)); |
| 611 | } |
| 612 | |
| 613 | static void send_bssgp_suspend_ack(struct gprs_ns_inst *nsi, |
| 614 | struct sockaddr_in *src_addr, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 615 | uint32_t tlli, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 616 | struct gprs_ra_id *raid) |
| 617 | { |
| 618 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND ACK */ |
| 619 | unsigned char msg[18] = { |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 620 | 0x0c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x1b, |
| 621 | 0x86, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1d, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 622 | 0x81, 0x01 |
| 623 | }; |
| 624 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 625 | msg[3] = (uint8_t)(tlli >> 24); |
| 626 | msg[4] = (uint8_t)(tlli >> 16); |
| 627 | msg[5] = (uint8_t)(tlli >> 8); |
| 628 | msg[6] = (uint8_t)(tlli >> 0); |
| 629 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 630 | gsm48_construct_ra(msg + 9, raid); |
| 631 | |
| 632 | send_ns_unitdata(nsi, "BVC_SUSPEND_ACK", src_addr, 0, msg, sizeof(msg)); |
| 633 | } |
| 634 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 635 | static void send_bssgp_llc_discarded(struct gprs_ns_inst *nsi, |
| 636 | struct sockaddr_in *src_addr, |
| 637 | uint16_t bvci, uint32_t tlli, |
| 638 | unsigned n_frames, unsigned n_octets) |
| 639 | { |
| 640 | /* Base Station Subsystem GPRS Protocol: LLC-DISCARDED (0x2c) */ |
| 641 | unsigned char msg[] = { |
| 642 | 0x2c, 0x1f, 0x84, /* TLLI */ 0xff, 0xff, 0xff, 0xff, 0x0f, |
| 643 | 0x81, /* n frames */ 0xff, 0x04, 0x82, /* BVCI */ 0xff, 0xff, 0x25, 0x83, |
| 644 | /* n octets */ 0xff, 0xff, 0xff |
| 645 | }; |
| 646 | |
| 647 | msg[3] = (uint8_t)(tlli >> 24); |
| 648 | msg[4] = (uint8_t)(tlli >> 16); |
| 649 | msg[5] = (uint8_t)(tlli >> 8); |
| 650 | msg[6] = (uint8_t)(tlli >> 0); |
| 651 | msg[9] = (uint8_t)(n_frames); |
| 652 | msg[12] = (uint8_t)(bvci >> 8); |
| 653 | msg[13] = (uint8_t)(bvci >> 0); |
| 654 | msg[16] = (uint8_t)(n_octets >> 16); |
| 655 | msg[17] = (uint8_t)(n_octets >> 8); |
| 656 | msg[18] = (uint8_t)(n_octets >> 0); |
| 657 | |
| 658 | send_ns_unitdata(nsi, "LLC_DISCARDED", src_addr, 0, msg, sizeof(msg)); |
| 659 | } |
| 660 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 661 | static void send_bssgp_flow_control_bvc(struct gprs_ns_inst *nsi, |
| 662 | struct sockaddr_in *src_addr, |
| 663 | uint16_t bvci, uint8_t tag) |
| 664 | { |
| 665 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 666 | * BSSGP FLOW_CONTROL_BVC */ |
| 667 | unsigned char msg[] = { |
| 668 | 0x26, 0x1e, 0x81, /* Tag */ 0xff, 0x05, 0x82, 0x01, 0xdc, |
| 669 | 0x03, 0x82, 0x02, 0x76, 0x01, 0x82, 0x00, 0x50, |
| 670 | 0x1c, 0x82, 0x02, 0x58, 0x06, 0x82, 0x00, 0x03 |
| 671 | }; |
| 672 | |
| 673 | msg[3] = tag; |
| 674 | |
| 675 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC", src_addr, bvci, |
| 676 | msg, sizeof(msg)); |
| 677 | } |
| 678 | |
| 679 | static void send_bssgp_flow_control_bvc_ack(struct gprs_ns_inst *nsi, |
| 680 | struct sockaddr_in *src_addr, |
| 681 | uint16_t bvci, uint8_t tag) |
| 682 | { |
| 683 | /* GPRS Network Service, PDU type: NS_UNITDATA, |
| 684 | * BSSGP FLOW_CONTROL_BVC_ACK */ |
| 685 | unsigned char msg[] = { |
| 686 | 0x27, 0x1e, 0x81, /* Tag */ 0xce |
| 687 | }; |
| 688 | |
| 689 | msg[3] = tag; |
| 690 | |
| 691 | send_ns_unitdata(nsi, "FLOW_CONTROL_BVC_ACK", src_addr, bvci, |
| 692 | msg, sizeof(msg)); |
| 693 | } |
| 694 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 695 | static void send_llc_ul_ui( |
| 696 | struct gprs_ns_inst *nsi, const char *text, |
| 697 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 698 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 699 | unsigned sapi, unsigned nu, |
| 700 | const uint8_t *msg, size_t msg_size) |
| 701 | { |
| 702 | unsigned char llc_msg[4096] = { |
| 703 | 0x00, 0xc0, 0x01 |
| 704 | }; |
| 705 | |
| 706 | size_t llc_msg_size = 3 + msg_size + 3; |
| 707 | uint8_t e_bit = 0; |
| 708 | uint8_t pm_bit = 1; |
| 709 | unsigned fcs; |
| 710 | |
| 711 | nu &= 0x01ff; |
| 712 | |
| 713 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 714 | |
| 715 | llc_msg[0] = (sapi & 0x0f); |
| 716 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 717 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 718 | |
| 719 | memcpy(llc_msg + 3, msg, msg_size); |
| 720 | |
| 721 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 722 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 723 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 724 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 725 | |
| 726 | send_bssgp_ul_unitdata(nsi, text ? text : "LLC UI", |
| 727 | src_addr, nsbvci, tlli, raid, cell_id, |
| 728 | llc_msg, llc_msg_size); |
| 729 | } |
| 730 | |
| 731 | static void send_llc_dl_ui( |
| 732 | struct gprs_ns_inst *nsi, const char *text, |
| 733 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 734 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 735 | unsigned sapi, unsigned nu, |
| 736 | const uint8_t *msg, size_t msg_size) |
| 737 | { |
| 738 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 739 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 740 | unsigned char llc_msg[4096] = { |
| 741 | 0x00, 0x00, 0x01 |
| 742 | }; |
| 743 | |
| 744 | size_t llc_msg_size = 3 + msg_size + 3; |
| 745 | uint8_t e_bit = 0; |
| 746 | uint8_t pm_bit = 1; |
| 747 | unsigned fcs; |
| 748 | |
| 749 | nu &= 0x01ff; |
| 750 | |
| 751 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 752 | |
| 753 | llc_msg[0] = 0x40 | (sapi & 0x0f); |
| 754 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 755 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 756 | |
| 757 | memcpy(llc_msg + 3, msg, msg_size); |
| 758 | |
| 759 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 760 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 761 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 762 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 763 | |
| 764 | send_bssgp_dl_unitdata(nsi, text ? text : "LLC UI", |
| 765 | src_addr, nsbvci, tlli, |
| 766 | with_racap_drx, imsi, imsi_size, |
| 767 | llc_msg, llc_msg_size); |
| 768 | } |
| 769 | |
| 770 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 771 | static void setup_ns(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 772 | uint16_t nsvci, uint16_t nsei) |
| 773 | { |
| 774 | printf("Setup NS-VC: remote 0x%08x:%d, " |
| 775 | "NSVCI 0x%04x(%d), NSEI 0x%04x(%d)\n\n", |
| 776 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 777 | nsvci, nsvci, nsei, nsei); |
| 778 | |
| 779 | send_ns_reset(nsi, src_addr, NS_CAUSE_OM_INTERVENTION, nsvci, nsei); |
| 780 | send_ns_alive(nsi, src_addr); |
| 781 | send_ns_unblock(nsi, src_addr); |
| 782 | send_ns_alive_ack(nsi, src_addr); |
| 783 | } |
| 784 | |
| 785 | static void setup_bssgp(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 786 | uint16_t bvci) |
| 787 | { |
| 788 | printf("Setup BSSGP: remote 0x%08x:%d, " |
| 789 | "BVCI 0x%04x(%d)\n\n", |
| 790 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 791 | bvci, bvci); |
| 792 | |
| 793 | send_bssgp_reset(nsi, src_addr, bvci); |
| 794 | } |
| 795 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 796 | static void connect_sgsn(struct gprs_ns_inst *nsi, struct sockaddr_in *sgsn_peer, |
| 797 | uint32_t sgsn_nsei) |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 798 | { |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 799 | gprs_ns_nsip_connect(nsi, sgsn_peer, sgsn_nsei, sgsn_nsei+1); |
| 800 | send_ns_reset_ack(nsi, sgsn_peer, sgsn_nsei+1, sgsn_nsei); |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 801 | send_ns_alive_ack(nsi, sgsn_peer); |
| 802 | send_ns_unblock_ack(nsi, sgsn_peer); |
| 803 | send_ns_alive(nsi, sgsn_peer); |
| 804 | } |
| 805 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 806 | static void configure_sgsn_peer(struct sockaddr_in *sgsn_peer) |
| 807 | { |
| 808 | sgsn_peer->sin_family = AF_INET; |
| 809 | sgsn_peer->sin_port = htons(32000); |
| 810 | sgsn_peer->sin_addr.s_addr = htonl(REMOTE_SGSN_ADDR); |
| 811 | } |
| 812 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 813 | static void configure_sgsn2_peer(struct sockaddr_in *sgsn_peer) |
| 814 | { |
| 815 | sgsn_peer->sin_family = AF_INET; |
| 816 | sgsn_peer->sin_port = htons(32001); |
| 817 | sgsn_peer->sin_addr.s_addr = htonl(REMOTE_SGSN2_ADDR); |
| 818 | } |
| 819 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 820 | static void configure_bss_peers(struct sockaddr_in *bss_peers, size_t size) |
| 821 | { |
| 822 | size_t i; |
| 823 | |
| 824 | for (i = 0; i < size; ++i) { |
| 825 | bss_peers[i].sin_family = AF_INET; |
| 826 | bss_peers[i].sin_port = htons((i + 1) * 1111); |
| 827 | bss_peers[i].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR); |
| 828 | } |
| 829 | } |
| 830 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 831 | int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg, |
| 832 | struct sockaddr_in *saddr, enum gprs_ns_ll ll); |
| 833 | |
| 834 | /* override */ |
| 835 | int gprs_ns_callback(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, |
| 836 | struct msgb *msg, uint16_t bvci) |
| 837 | { |
| 838 | printf("CALLBACK, event %d, msg length %d, bvci 0x%04x\n%s\n\n", |
| 839 | event, msgb_bssgp_len(msg), bvci, |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 840 | osmo_hexdump(msgb_l2(msg), msgb_l2len(msg))); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 841 | |
| 842 | switch (event) { |
| 843 | case GPRS_NS_EVT_UNIT_DATA: |
Holger Hans Peter Freyther | eece6277 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 844 | return gbprox_rcvmsg(&gbcfg, msg, nsvc->nsei, bvci, nsvc->nsvci); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 845 | default: |
| 846 | break; |
| 847 | } |
| 848 | return 0; |
| 849 | } |
| 850 | |
| 851 | /* override */ |
| 852 | ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, |
| 853 | const struct sockaddr *dest_addr, socklen_t addrlen) |
| 854 | { |
| 855 | typedef ssize_t (*sendto_t)(int, const void *, size_t, int, |
| 856 | const struct sockaddr *, socklen_t); |
| 857 | static sendto_t real_sendto = NULL; |
| 858 | 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] | 859 | int dest_port = htons(((struct sockaddr_in *)dest_addr)->sin_port); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 860 | |
| 861 | if (!real_sendto) |
| 862 | real_sendto = dlsym(RTLD_NEXT, "sendto"); |
| 863 | |
| 864 | if (dest_host == REMOTE_BSS_ADDR) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 865 | printf("MESSAGE to BSS at 0x%08x:%d, msg length %d\n%s\n\n", |
| 866 | dest_host, dest_port, |
| 867 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 868 | else if (dest_host == REMOTE_SGSN_ADDR) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 869 | printf("MESSAGE to SGSN at 0x%08x:%d, msg length %d\n%s\n\n", |
| 870 | dest_host, dest_port, |
| 871 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 872 | else if (dest_host == REMOTE_SGSN2_ADDR) |
| 873 | printf("MESSAGE to SGSN 2 at 0x%08x:%d, msg length %d\n%s\n\n", |
| 874 | dest_host, dest_port, |
| 875 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 876 | else |
| 877 | return real_sendto(sockfd, buf, len, flags, dest_addr, addrlen); |
| 878 | |
| 879 | return len; |
| 880 | } |
| 881 | |
| 882 | /* override */ |
| 883 | int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg) |
| 884 | { |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 885 | typedef int (*gprs_ns_sendmsg_t)(struct gprs_ns_inst *nsi, struct msgb *msg); |
| 886 | static gprs_ns_sendmsg_t real_gprs_ns_sendmsg = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 887 | uint16_t bvci = msgb_bvci(msg); |
| 888 | uint16_t nsei = msgb_nsei(msg); |
| 889 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 890 | size_t len = msgb_length(msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 891 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 892 | if (!real_gprs_ns_sendmsg) |
| 893 | real_gprs_ns_sendmsg = dlsym(RTLD_NEXT, "gprs_ns_sendmsg"); |
| 894 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 895 | if (nsei == SGSN_NSEI) |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 896 | printf("NS UNITDATA MESSAGE to SGSN, BVCI 0x%04x, " |
| 897 | "msg length %d (%s)\n", |
| 898 | bvci, len, __func__); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 899 | else if (nsei == SGSN2_NSEI) |
| 900 | printf("NS UNITDATA MESSAGE to SGSN 2, BVCI 0x%04x, " |
| 901 | "msg length %d (%s)\n", |
| 902 | bvci, len, __func__); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 903 | else |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 904 | printf("NS UNITDATA MESSAGE to BSS, BVCI 0x%04x, " |
| 905 | "msg length %d (%s)\n", |
| 906 | bvci, len, __func__); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 907 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 908 | return real_gprs_ns_sendmsg(nsi, msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 909 | } |
| 910 | |
| 911 | static void dump_rate_ctr_group(FILE *stream, const char *prefix, |
| 912 | struct rate_ctr_group *ctrg) |
| 913 | { |
| 914 | unsigned int i; |
| 915 | |
| 916 | for (i = 0; i < ctrg->desc->num_ctr; i++) { |
| 917 | struct rate_ctr *ctr = &ctrg->ctr[i]; |
| 918 | if (ctr->current && !strchr(ctrg->desc->ctr_desc[i].name, '.')) |
| 919 | fprintf(stream, " %s%s: %llu%s", |
| 920 | prefix, ctrg->desc->ctr_desc[i].description, |
| 921 | (long long)ctr->current, |
| 922 | "\n"); |
| 923 | }; |
| 924 | } |
| 925 | |
| 926 | /* Signal handler for signals from NS layer */ |
| 927 | static int test_signal(unsigned int subsys, unsigned int signal, |
| 928 | void *handler_data, void *signal_data) |
| 929 | { |
| 930 | struct ns_signal_data *nssd = signal_data; |
| 931 | int rc; |
| 932 | |
| 933 | if (subsys != SS_L_NS) |
| 934 | return 0; |
| 935 | |
| 936 | switch (signal) { |
| 937 | case S_NS_RESET: |
| 938 | printf("==> got signal NS_RESET, NS-VC 0x%04x/%s\n", |
| 939 | nssd->nsvc->nsvci, |
| 940 | gprs_ns_ll_str(nssd->nsvc)); |
| 941 | break; |
| 942 | |
| 943 | case S_NS_ALIVE_EXP: |
| 944 | printf("==> got signal NS_ALIVE_EXP, NS-VC 0x%04x/%s\n", |
| 945 | nssd->nsvc->nsvci, |
| 946 | gprs_ns_ll_str(nssd->nsvc)); |
| 947 | break; |
| 948 | |
| 949 | case S_NS_BLOCK: |
| 950 | printf("==> got signal NS_BLOCK, NS-VC 0x%04x/%s\n", |
| 951 | nssd->nsvc->nsvci, |
| 952 | gprs_ns_ll_str(nssd->nsvc)); |
| 953 | break; |
| 954 | |
| 955 | case S_NS_UNBLOCK: |
| 956 | printf("==> got signal NS_UNBLOCK, NS-VC 0x%04x/%s\n", |
| 957 | nssd->nsvc->nsvci, |
| 958 | gprs_ns_ll_str(nssd->nsvc)); |
| 959 | break; |
| 960 | |
| 961 | case S_NS_REPLACED: |
| 962 | printf("==> got signal NS_REPLACED: 0x%04x/%s", |
| 963 | nssd->nsvc->nsvci, |
| 964 | gprs_ns_ll_str(nssd->nsvc)); |
| 965 | printf(" -> 0x%04x/%s\n", |
| 966 | nssd->old_nsvc->nsvci, |
| 967 | gprs_ns_ll_str(nssd->old_nsvc)); |
| 968 | break; |
| 969 | |
| 970 | default: |
| 971 | printf("==> got signal %d, NS-VC 0x%04x/%s\n", signal, |
| 972 | nssd->nsvc->nsvci, |
| 973 | gprs_ns_ll_str(nssd->nsvc)); |
| 974 | break; |
| 975 | } |
| 976 | printf("\n"); |
| 977 | rc = gbprox_signal(subsys, signal, handler_data, signal_data); |
| 978 | return rc; |
| 979 | } |
| 980 | |
| 981 | 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) |
| 982 | { |
| 983 | struct msgb *msg; |
| 984 | int ret; |
| 985 | if (data_len > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) { |
| 986 | fprintf(stderr, "message too long: %d\n", data_len); |
| 987 | return -1; |
| 988 | } |
| 989 | |
| 990 | msg = gprs_ns_msgb_alloc(); |
| 991 | memmove(msg->data, data, data_len); |
| 992 | msg->l2h = msg->data; |
| 993 | msgb_put(msg, data_len); |
| 994 | |
| 995 | printf("PROCESSING %s from 0x%08x:%d\n%s\n\n", |
| 996 | text, ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 997 | osmo_hexdump(data, data_len)); |
| 998 | |
| 999 | ret = gprs_ns_rcvmsg(nsi, msg, peer, GPRS_NS_LL_UDP); |
| 1000 | |
| 1001 | printf("result (%s) = %d\n\n", text, ret); |
| 1002 | |
| 1003 | msgb_free(msg); |
| 1004 | |
| 1005 | return ret; |
| 1006 | } |
| 1007 | |
| 1008 | static void gprs_dump_nsi(struct gprs_ns_inst *nsi) |
| 1009 | { |
| 1010 | struct gprs_nsvc *nsvc; |
| 1011 | |
| 1012 | printf("Current NS-VCIs:\n"); |
| 1013 | llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) { |
| 1014 | struct sockaddr_in *peer = &(nsvc->ip.bts_addr); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1015 | 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] | 1016 | nsvc->nsvci, nsvc->nsei, |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1017 | ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 1018 | nsvc->state & NSE_S_BLOCKED ? ", blocked" : "", |
| 1019 | nsvc->state & NSE_S_ALIVE ? "" : ", dead" |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1020 | ); |
| 1021 | dump_rate_ctr_group(stdout, " ", nsvc->ctrg); |
| 1022 | } |
| 1023 | printf("\n"); |
| 1024 | } |
| 1025 | |
| 1026 | static void test_gbproxy() |
| 1027 | { |
| 1028 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1029 | struct sockaddr_in bss_peer[4] = {{0},}; |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1030 | struct sockaddr_in sgsn_peer= {0}; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1031 | |
| 1032 | bssgp_nsi = nsi; |
| 1033 | gbcfg.nsi = bssgp_nsi; |
| 1034 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1035 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1036 | configure_sgsn_peer(&sgsn_peer); |
| 1037 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1038 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1039 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1040 | printf("--- Initialise SGSN ---\n\n"); |
| 1041 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1042 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1043 | gprs_dump_nsi(nsi); |
| 1044 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1045 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1046 | |
| 1047 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1048 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1049 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1050 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1051 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1052 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1053 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1054 | printf("--- Initialise BSS 2 ---\n\n"); |
| 1055 | |
| 1056 | setup_ns(nsi, &bss_peer[1], 0x2001, 0x2000); |
| 1057 | setup_bssgp(nsi, &bss_peer[1], 0x2002); |
| 1058 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1059 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1060 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1061 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x2002); |
| 1062 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1063 | printf("--- Move BSS 1 to new port ---\n\n"); |
| 1064 | |
| 1065 | setup_ns(nsi, &bss_peer[2], 0x1001, 0x1000); |
| 1066 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1067 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1068 | |
| 1069 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 1070 | |
| 1071 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 1072 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1073 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1074 | |
| 1075 | printf("--- Move BSS 1 to current BSS 2 port ---\n\n"); |
| 1076 | |
| 1077 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 1078 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1079 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1080 | |
| 1081 | printf("--- Move BSS 2 to new port ---\n\n"); |
| 1082 | |
| 1083 | setup_ns(nsi, &bss_peer[3], 0x2001, 0x2000); |
| 1084 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1085 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1086 | |
| 1087 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 1088 | |
| 1089 | setup_ns(nsi, &bss_peer[2], 0x2001, 0x2000); |
| 1090 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1091 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1092 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1093 | printf("--- Move BSS 1 to original BSS 1 port ---\n\n"); |
| 1094 | |
| 1095 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1096 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1097 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1098 | |
| 1099 | printf("--- Reset BSS 1 with a new BVCI ---\n\n"); |
| 1100 | |
| 1101 | setup_bssgp(nsi, &bss_peer[0], 0x1012); |
| 1102 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1103 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1104 | |
| 1105 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1012); |
| 1106 | |
| 1107 | printf("--- Reset BSS 1 with the old BVCI ---\n\n"); |
| 1108 | |
| 1109 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1110 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1111 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1112 | |
| 1113 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1114 | |
| 1115 | printf("--- Reset BSS 1 with the old BVCI again ---\n\n"); |
| 1116 | |
| 1117 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1118 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1119 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1120 | |
| 1121 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1122 | |
| 1123 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1012 ---\n\n"); |
| 1124 | |
| 1125 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1126 | |
| 1127 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1012 ---\n\n"); |
| 1128 | |
| 1129 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1130 | |
| 1131 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1132 | |
| 1133 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1134 | |
| 1135 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1136 | |
| 1137 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1138 | |
| 1139 | printf("--- Send message from BSS 2 to SGSN, BVCI 0x2002 ---\n\n"); |
| 1140 | |
| 1141 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x2002, (uint8_t *)"", 0); |
| 1142 | |
| 1143 | printf("--- Send message from SGSN to BSS 2, BVCI 0x2002 ---\n\n"); |
| 1144 | |
| 1145 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x2002, (uint8_t *)"", 0); |
| 1146 | |
| 1147 | printf("--- Reset BSS 1 with the old BVCI on BSS2's link ---\n\n"); |
| 1148 | |
| 1149 | setup_bssgp(nsi, &bss_peer[2], 0x1002); |
| 1150 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1151 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1152 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1153 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1154 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 1155 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1156 | |
| 1157 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1158 | |
| 1159 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1160 | |
| 1161 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1162 | |
| 1163 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1164 | |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1165 | printf("--- Send message from SGSN to BSS 1, BVCI 0x10ff (invalid) ---\n\n"); |
| 1166 | |
| 1167 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x10ff, (uint8_t *)"", 0); |
| 1168 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1169 | /* Find peer */ |
| 1170 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0xeeee) == NULL); |
| 1171 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0x1000) == NULL); |
| 1172 | OSMO_ASSERT(gbproxy_peer_by_bvci(&gbcfg, 0x1012) != NULL); |
| 1173 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0xeeee) == NULL); |
| 1174 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0x1012) == NULL); |
| 1175 | OSMO_ASSERT(gbproxy_peer_by_nsei(&gbcfg, 0x1000) != NULL); |
| 1176 | |
| 1177 | |
| 1178 | /* Cleanup */ |
| 1179 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0, 0) == 0); |
| 1180 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0xeeee) == 0); |
| 1181 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0, 0x1002) == 0); |
| 1182 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0x1012) == 1); |
| 1183 | OSMO_ASSERT(gbproxy_cleanup_peers(&gbcfg, 0x1000, 0x1012) == 0); |
| 1184 | |
| 1185 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1186 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1187 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1188 | |
Holger Hans Peter Freyther | eece6277 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1189 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1190 | gprs_ns_destroy(nsi); |
| 1191 | nsi = NULL; |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1192 | } |
| 1193 | |
| 1194 | static void test_gbproxy_ident_changes() |
| 1195 | { |
| 1196 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1197 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1198 | struct sockaddr_in sgsn_peer= {0}; |
| 1199 | uint16_t nsei[2] = {0x1000, 0x2000}; |
| 1200 | uint16_t nsvci[2] = {0x1001, 0x2001}; |
| 1201 | uint16_t bvci[4] = {0x1002, 0x2002, 0x3002, 0x4002}; |
| 1202 | |
| 1203 | bssgp_nsi = nsi; |
| 1204 | gbcfg.nsi = bssgp_nsi; |
| 1205 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1206 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1207 | configure_sgsn_peer(&sgsn_peer); |
| 1208 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1209 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1210 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1211 | printf("--- Initialise SGSN ---\n\n"); |
| 1212 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1213 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1214 | gprs_dump_nsi(nsi); |
| 1215 | |
| 1216 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1217 | |
| 1218 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[0]); |
| 1219 | gprs_dump_nsi(nsi); |
| 1220 | |
| 1221 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1222 | |
| 1223 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1224 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1225 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1226 | |
| 1227 | printf("--- Setup BVCI 2 ---\n\n"); |
| 1228 | |
| 1229 | setup_bssgp(nsi, &bss_peer[0], bvci[1]); |
| 1230 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[1]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1231 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1232 | |
| 1233 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1234 | |
| 1235 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1236 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1237 | |
| 1238 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 ---\n\n"); |
| 1239 | |
| 1240 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
| 1241 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
| 1242 | |
| 1243 | printf("--- Change NSEI ---\n\n"); |
| 1244 | |
| 1245 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[1]); |
| 1246 | gprs_dump_nsi(nsi); |
| 1247 | |
| 1248 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1249 | |
| 1250 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1251 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1252 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1253 | |
| 1254 | printf("--- Setup BVCI 3 ---\n\n"); |
| 1255 | |
| 1256 | setup_bssgp(nsi, &bss_peer[0], bvci[2]); |
| 1257 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[2]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1258 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1259 | |
| 1260 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1261 | |
| 1262 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1263 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1264 | |
| 1265 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1266 | " (should fail) ---\n\n"); |
| 1267 | |
| 1268 | 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] | 1269 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1270 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1271 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1272 | |
| 1273 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1274 | |
| 1275 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 1276 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 1277 | |
| 1278 | printf("--- Change NSVCI ---\n\n"); |
| 1279 | |
| 1280 | setup_ns(nsi, &bss_peer[0], nsvci[1], nsei[1]); |
| 1281 | gprs_dump_nsi(nsi); |
| 1282 | |
| 1283 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1284 | |
| 1285 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1286 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1287 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1288 | |
| 1289 | printf("--- Setup BVCI 4 ---\n\n"); |
| 1290 | |
| 1291 | setup_bssgp(nsi, &bss_peer[0], bvci[3]); |
| 1292 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[3]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1293 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1294 | |
| 1295 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1296 | |
| 1297 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1298 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1299 | |
| 1300 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1301 | " (should fail) ---\n\n"); |
| 1302 | |
| 1303 | 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] | 1304 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1305 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1306 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1307 | |
| 1308 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1309 | |
| 1310 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 1311 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 1312 | |
| 1313 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 4 ---\n\n"); |
| 1314 | |
| 1315 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[3], (uint8_t *)"", 0); |
| 1316 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[3], (uint8_t *)"", 0); |
| 1317 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1318 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1319 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1320 | |
Holger Hans Peter Freyther | eece6277 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1321 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1322 | gprs_ns_destroy(nsi); |
| 1323 | nsi = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1324 | } |
| 1325 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1326 | static void test_gbproxy_ra_patching() |
| 1327 | { |
| 1328 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1329 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1330 | struct sockaddr_in sgsn_peer= {0}; |
| 1331 | struct gprs_ra_id rai_bss = |
| 1332 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1333 | struct gprs_ra_id rai_sgsn = |
| 1334 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 1335 | struct gprs_ra_id rai_unknown = |
| 1336 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1337 | uint16_t cell_id = 0x7530; |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1338 | const char *err_msg = NULL; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1339 | const uint32_t ptmsi = 0xefe2b700; |
| 1340 | const uint32_t local_tlli = 0xefe2b700; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1341 | const uint32_t foreign_tlli = 0xbbc54679; |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1342 | const uint32_t foreign_tlli2 = 0xbb00beef; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1343 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1344 | struct gbproxy_tlli_info *tlli_info; |
| 1345 | struct gbproxy_peer *peer; |
| 1346 | |
| 1347 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1348 | |
| 1349 | bssgp_nsi = nsi; |
| 1350 | gbcfg.nsi = bssgp_nsi; |
| 1351 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Jacob Erlbeck | 67a4445 | 2014-05-19 10:14:58 +0200 | [diff] [blame] | 1352 | gbcfg.core_mcc = 123; |
| 1353 | gbcfg.core_mnc = 456; |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1354 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
Holger Hans Peter Freyther | ce1b22e | 2014-08-04 14:22:13 +0200 | [diff] [blame] | 1355 | 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] | 1356 | gbcfg.patch_ptmsi = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1357 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1358 | configure_sgsn_peer(&sgsn_peer); |
| 1359 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1360 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1361 | gbcfg.match_re = talloc_strdup(NULL, "^9898|^121314"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 1362 | if (gbproxy_set_patch_filter(&gbcfg, gbcfg.match_re, &err_msg) != 0) { |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1363 | fprintf(stderr, "Failed to compile RE '%s': %s\n", |
| 1364 | gbcfg.match_re, err_msg); |
| 1365 | exit(1); |
| 1366 | } |
| 1367 | |
| 1368 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1369 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1370 | printf("--- Initialise SGSN ---\n\n"); |
| 1371 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1372 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1373 | gprs_dump_nsi(nsi); |
| 1374 | |
| 1375 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1376 | |
| 1377 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1378 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1379 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1380 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1381 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 1382 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1383 | OSMO_ASSERT(peer != NULL); |
| 1384 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1385 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1386 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1387 | send_bssgp_suspend(nsi, &bss_peer[0], 0xccd1758b, &rai_bss); |
| 1388 | send_bssgp_suspend_ack(nsi, &sgsn_peer, 0xccd1758b, &rai_sgsn); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1389 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1390 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1391 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1392 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1393 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1394 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1395 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1396 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1397 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1398 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 1399 | foreign_tlli, &rai_bss, cell_id, |
| 1400 | GPRS_SAPI_GMM, 0, |
| 1401 | dtap_attach_req, sizeof(dtap_attach_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1402 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1403 | OSMO_ASSERT(4 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1404 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1405 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 1406 | foreign_tlli, 0, NULL, 0, |
| 1407 | GPRS_SAPI_GMM, 0, |
| 1408 | dtap_identity_req, sizeof(dtap_identity_req)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1409 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1410 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 1411 | foreign_tlli, &rai_bss, cell_id, |
| 1412 | GPRS_SAPI_GMM, 3, |
| 1413 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1414 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1415 | OSMO_ASSERT(5 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1416 | OSMO_ASSERT(1 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1417 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1418 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 1419 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1420 | GPRS_SAPI_GMM, 1, |
| 1421 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1422 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1423 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1424 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1425 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1426 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1427 | OSMO_ASSERT(gbproxy_peer_by_rai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1428 | |
| 1429 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1430 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_sgsn)) == NULL); |
| 1431 | OSMO_ASSERT(gbproxy_peer_by_lai(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1432 | |
| 1433 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_bss)) != NULL); |
| 1434 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_sgsn)) != NULL); |
| 1435 | OSMO_ASSERT(gbproxy_peer_by_lac(&gbcfg, convert_ra(&rai_unknown)) == NULL); |
| 1436 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 1437 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1438 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1439 | OSMO_ASSERT(tlli_info->tlli.assigned == local_tlli); |
| 1440 | OSMO_ASSERT(tlli_info->tlli.current != local_tlli); |
| 1441 | OSMO_ASSERT(!tlli_info->tlli.bss_validated); |
| 1442 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1443 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_tlli); |
| 1444 | OSMO_ASSERT(tlli_info->sgsn_tlli.current != local_tlli); |
| 1445 | OSMO_ASSERT(!tlli_info->sgsn_tlli.bss_validated); |
| 1446 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1447 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1448 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 1449 | local_tlli, &rai_bss, cell_id, |
| 1450 | GPRS_SAPI_GMM, 4, |
| 1451 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1452 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1453 | OSMO_ASSERT(6 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1454 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 1455 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1456 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1457 | OSMO_ASSERT(tlli_info->tlli.assigned == local_tlli); |
| 1458 | OSMO_ASSERT(tlli_info->tlli.current != local_tlli); |
| 1459 | OSMO_ASSERT(tlli_info->tlli.bss_validated); |
| 1460 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1461 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_tlli); |
| 1462 | OSMO_ASSERT(tlli_info->sgsn_tlli.current != local_tlli); |
| 1463 | OSMO_ASSERT(tlli_info->sgsn_tlli.bss_validated); |
| 1464 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1465 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1466 | /* Replace APN (1) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1467 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 1468 | local_tlli, &rai_bss, cell_id, |
| 1469 | GPRS_SAPI_GMM, 3, |
| 1470 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1471 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1472 | OSMO_ASSERT(7 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1473 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 1474 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1475 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1476 | OSMO_ASSERT(tlli_info->tlli.assigned == local_tlli); |
| 1477 | OSMO_ASSERT(tlli_info->tlli.current != local_tlli); |
| 1478 | OSMO_ASSERT(tlli_info->tlli.bss_validated); |
| 1479 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1480 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_tlli); |
| 1481 | OSMO_ASSERT(tlli_info->sgsn_tlli.current != local_tlli); |
| 1482 | OSMO_ASSERT(tlli_info->sgsn_tlli.bss_validated); |
| 1483 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1484 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1485 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1486 | local_tlli, 1, imsi, sizeof(imsi), |
| 1487 | GPRS_SAPI_GMM, 2, |
| 1488 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 1489 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1490 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1491 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 1492 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1493 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1494 | OSMO_ASSERT(tlli_info->tlli.assigned == 0); |
| 1495 | OSMO_ASSERT(tlli_info->tlli.current == local_tlli); |
| 1496 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == 0); |
| 1497 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1498 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1499 | /* Replace APN (2) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1500 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 1501 | local_tlli, &rai_bss, cell_id, |
| 1502 | GPRS_SAPI_GMM, 3, |
| 1503 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1504 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1505 | OSMO_ASSERT(8 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1506 | |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1507 | gbcfg.core_apn[0] = 0; |
| 1508 | gbcfg.core_apn_size = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1509 | |
| 1510 | /* Remove APN */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1511 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", &bss_peer[0], 0x1002, |
| 1512 | local_tlli, &rai_bss, cell_id, |
| 1513 | GPRS_SAPI_GMM, 3, |
| 1514 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1515 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1516 | OSMO_ASSERT(9 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1517 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1518 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1519 | |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1520 | /* Detach */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1521 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 1522 | local_tlli, &rai_bss, cell_id, |
| 1523 | GPRS_SAPI_GMM, 6, |
| 1524 | dtap_detach_req, sizeof(dtap_detach_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1525 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1526 | OSMO_ASSERT(10 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1527 | OSMO_ASSERT(2 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1528 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1529 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 1530 | local_tlli, 1, imsi, sizeof(imsi), |
| 1531 | GPRS_SAPI_GMM, 5, |
| 1532 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1533 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1534 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1535 | |
| 1536 | printf("--- RA update ---\n\n"); |
| 1537 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1538 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 1539 | foreign_tlli, &rai_bss, 0x7080, |
| 1540 | GPRS_SAPI_GMM, 5, |
| 1541 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1542 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1543 | OSMO_ASSERT(12 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1544 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1545 | send_llc_dl_ui(nsi, "RA UPD ACC", &sgsn_peer, 0x1002, |
| 1546 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1547 | GPRS_SAPI_GMM, 6, |
| 1548 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1549 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1550 | OSMO_ASSERT(3 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_SGSN].current); |
| 1551 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1552 | /* Remove APN */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1553 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", &bss_peer[0], 0x1002, |
| 1554 | local_tlli, &rai_bss, cell_id, |
| 1555 | GPRS_SAPI_GMM, 3, |
| 1556 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1557 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1558 | OSMO_ASSERT(13 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1559 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1560 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1561 | |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 1562 | /* Detach (power off -> no Detach Accept) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1563 | send_llc_ul_ui(nsi, "DETACH REQ (PWR OFF)", &bss_peer[0], 0x1002, |
| 1564 | local_tlli, &rai_bss, cell_id, |
| 1565 | GPRS_SAPI_GMM, 6, |
| 1566 | dtap_detach_po_req, sizeof(dtap_detach_po_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1567 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1568 | OSMO_ASSERT(14 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1569 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1570 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1571 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1572 | |
| 1573 | printf("--- Bad cases ---\n\n"); |
| 1574 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1575 | /* The RAI in the Attach Request message differs from the RAI in the |
| 1576 | * BSSGP message, only patch the latter */ |
| 1577 | |
| 1578 | send_llc_ul_ui(nsi, "ATTACH REQUEST (foreign RAI)", &bss_peer[0], 0x1002, |
| 1579 | foreign_tlli2, &rai_bss, cell_id, |
| 1580 | GPRS_SAPI_GMM, 0, |
| 1581 | dtap_attach_req2, sizeof(dtap_attach_req2)); |
| 1582 | |
Jacob Erlbeck | 948c07f | 2014-09-11 15:22:18 +0200 | [diff] [blame] | 1583 | OSMO_ASSERT(15 == peer->ctrg->ctr[GBPROX_PEER_CTR_RAID_PATCHED_BSS].current); |
| 1584 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1585 | printf("TLLI is already detached, shouldn't patch\n"); |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1586 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ", &bss_peer[0], 0x1002, |
| 1587 | local_tlli, &rai_bss, cell_id, |
| 1588 | GPRS_SAPI_GMM, 3, |
| 1589 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1590 | |
Jacob Erlbeck | 006c038 | 2014-05-27 13:49:04 +0200 | [diff] [blame] | 1591 | printf("Invalid RAI, shouldn't patch\n"); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1592 | send_bssgp_suspend_ack(nsi, &sgsn_peer, 0xccd1758b, &rai_unknown); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1593 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1594 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1595 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1596 | |
Holger Hans Peter Freyther | eece6277 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1597 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1598 | gprs_ns_destroy(nsi); |
| 1599 | nsi = NULL; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1600 | } |
| 1601 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1602 | static void test_gbproxy_ptmsi_patching() |
| 1603 | { |
| 1604 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1605 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1606 | struct sockaddr_in sgsn_peer= {0}; |
| 1607 | struct gprs_ra_id rai_bss = |
| 1608 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1609 | struct gprs_ra_id rai_sgsn = |
| 1610 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1611 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 1612 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1613 | struct gprs_ra_id rai_unknown = |
| 1614 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1615 | uint16_t cell_id = 0x1234; |
| 1616 | |
| 1617 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1618 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 1619 | const uint32_t sgsn_ptmsi3 = 0xe0543210; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1620 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1621 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
| 1622 | const uint32_t local_sgsn_tlli3 = 0xe0543210; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1623 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1624 | const uint32_t unknown_sgsn_tlli = 0xeebadbad; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1625 | |
| 1626 | const uint32_t bss_ptmsi = 0xc00f7304; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1627 | const uint32_t bss_ptmsi2 = 0xe656aa1f; |
| 1628 | const uint32_t bss_ptmsi3 = 0xead4775a; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1629 | const uint32_t local_bss_tlli = 0xc00f7304; |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1630 | const uint32_t local_bss_tlli2 = 0xe656aa1f; |
| 1631 | const uint32_t local_bss_tlli3 = 0xead4775a; |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1632 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 1633 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1634 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1635 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
| 1636 | struct gbproxy_tlli_info *tlli_info; |
| 1637 | struct gbproxy_peer *peer; |
| 1638 | unsigned bss_nu = 0; |
| 1639 | unsigned sgsn_nu = 0; |
| 1640 | |
| 1641 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1642 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 1643 | OSMO_ASSERT(local_sgsn_tlli3 == gprs_tmsi2tlli(sgsn_ptmsi3, TLLI_LOCAL)); |
| 1644 | OSMO_ASSERT(local_bss_tlli == gprs_tmsi2tlli(bss_ptmsi, TLLI_LOCAL)); |
| 1645 | OSMO_ASSERT(local_bss_tlli2 == gprs_tmsi2tlli(bss_ptmsi2, TLLI_LOCAL)); |
| 1646 | OSMO_ASSERT(local_bss_tlli3 == gprs_tmsi2tlli(bss_ptmsi3, TLLI_LOCAL)); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1647 | |
| 1648 | bssgp_nsi = nsi; |
| 1649 | gbcfg.nsi = bssgp_nsi; |
| 1650 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1651 | gbcfg.core_mcc = 123; |
| 1652 | gbcfg.core_mnc = 456; |
| 1653 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 1654 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 1655 | gbcfg.patch_ptmsi = 1; |
| 1656 | gbcfg.bss_ptmsi_state = 0; |
| 1657 | gbcfg.sgsn_tlli_state = 1; |
| 1658 | |
| 1659 | configure_sgsn_peer(&sgsn_peer); |
| 1660 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 1661 | |
| 1662 | printf("=== %s ===\n", __func__); |
| 1663 | printf("--- Initialise SGSN ---\n\n"); |
| 1664 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1665 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1666 | |
| 1667 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1668 | |
| 1669 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1670 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1671 | |
Jacob Erlbeck | 5f1faa3 | 2014-08-21 10:01:30 +0200 | [diff] [blame] | 1672 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1673 | OSMO_ASSERT(peer != NULL); |
| 1674 | |
| 1675 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1676 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1677 | gprs_dump_nsi(nsi); |
| 1678 | dump_global(stdout, 0); |
| 1679 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1680 | |
| 1681 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1682 | |
| 1683 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 1684 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 1685 | GPRS_SAPI_GMM, bss_nu++, |
| 1686 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1687 | |
| 1688 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1689 | |
| 1690 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 1691 | random_sgsn_tlli, 0, NULL, 0, |
| 1692 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1693 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1694 | |
| 1695 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1696 | |
| 1697 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 1698 | foreign_bss_tlli, &rai_bss, cell_id, |
| 1699 | GPRS_SAPI_GMM, bss_nu++, |
| 1700 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 1701 | |
| 1702 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1703 | |
| 1704 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 1705 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 1706 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1707 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1708 | |
| 1709 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1710 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 1711 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, random_sgsn_tlli); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1712 | OSMO_ASSERT(tlli_info); |
| 1713 | OSMO_ASSERT(tlli_info->tlli.assigned == local_bss_tlli); |
| 1714 | OSMO_ASSERT(tlli_info->tlli.current == foreign_bss_tlli); |
| 1715 | OSMO_ASSERT(!tlli_info->tlli.bss_validated); |
| 1716 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1717 | OSMO_ASSERT(tlli_info->tlli.ptmsi == bss_ptmsi); |
| 1718 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 1719 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == random_sgsn_tlli); |
| 1720 | OSMO_ASSERT(!tlli_info->sgsn_tlli.bss_validated); |
| 1721 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 1722 | OSMO_ASSERT(tlli_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
| 1723 | |
| 1724 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 1725 | local_bss_tlli, &rai_bss, cell_id, |
| 1726 | GPRS_SAPI_GMM, bss_nu++, |
| 1727 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1728 | |
| 1729 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1730 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 1731 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1732 | OSMO_ASSERT(tlli_info); |
| 1733 | OSMO_ASSERT(tlli_info->tlli.assigned == local_bss_tlli); |
| 1734 | OSMO_ASSERT(tlli_info->tlli.current == foreign_bss_tlli); |
| 1735 | OSMO_ASSERT(tlli_info->tlli.bss_validated); |
| 1736 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1737 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 1738 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == random_sgsn_tlli); |
| 1739 | OSMO_ASSERT(tlli_info->sgsn_tlli.bss_validated); |
| 1740 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 1741 | |
| 1742 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1743 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 1744 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1745 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1746 | |
| 1747 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1748 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 1749 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1750 | OSMO_ASSERT(tlli_info); |
| 1751 | OSMO_ASSERT(tlli_info->tlli.current == local_bss_tlli); |
| 1752 | OSMO_ASSERT(tlli_info->tlli.assigned == 0); |
| 1753 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == local_sgsn_tlli); |
| 1754 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == 0); |
| 1755 | |
Jacob Erlbeck | 82add78 | 2014-09-05 18:08:12 +0200 | [diff] [blame] | 1756 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 1757 | local_bss_tlli, &rai_bss, cell_id, |
| 1758 | GPRS_SAPI_GMM, bss_nu++, |
| 1759 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
| 1760 | |
| 1761 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1762 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1763 | /* Non-DTAP */ |
| 1764 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 1765 | local_bss_tlli, &rai_bss, cell_id, |
| 1766 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 1767 | |
| 1768 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer, 0x1002, |
| 1769 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 1770 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 1771 | |
| 1772 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 1773 | local_bss_tlli, &rai_bss, cell_id, |
| 1774 | llc_ui_ll11_dns_query_ul, |
| 1775 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 1776 | |
| 1777 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer, 0x1002, |
| 1778 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 1779 | llc_ui_ll11_dns_resp_dl, |
| 1780 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 1781 | |
| 1782 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1783 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1784 | /* Repeated RA Update Requests */ |
| 1785 | send_llc_ul_ui(nsi, "RA UPD REQ (P-TMSI 2)", &bss_peer[0], 0x1002, |
| 1786 | local_bss_tlli, &rai_bss, 0x7080, |
| 1787 | GPRS_SAPI_GMM, bss_nu++, |
| 1788 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 1789 | |
| 1790 | send_llc_dl_ui(nsi, "RA UDP ACC (P-TMSI 2)", &sgsn_peer, 0x1002, |
| 1791 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 1792 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1793 | dtap_ra_upd_acc2, sizeof(dtap_ra_upd_acc2)); |
| 1794 | |
| 1795 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1796 | |
| 1797 | OSMO_ASSERT(gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli2) != NULL); |
| 1798 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli); |
| 1799 | OSMO_ASSERT(tlli_info); |
| 1800 | OSMO_ASSERT(tlli_info->tlli.assigned == local_bss_tlli2); |
| 1801 | OSMO_ASSERT(tlli_info->tlli.current == local_bss_tlli); |
| 1802 | OSMO_ASSERT(!tlli_info->tlli.bss_validated); |
| 1803 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1804 | OSMO_ASSERT(tlli_info->tlli.ptmsi == bss_ptmsi2); |
| 1805 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 1806 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == local_sgsn_tlli); |
| 1807 | OSMO_ASSERT(!tlli_info->sgsn_tlli.bss_validated); |
| 1808 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 1809 | OSMO_ASSERT(tlli_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
| 1810 | |
| 1811 | send_llc_ul_ui(nsi, "RA UPD REQ (P-TMSI 3)", &bss_peer[0], 0x1002, |
| 1812 | local_bss_tlli2, &rai_bss, 0x7080, |
| 1813 | GPRS_SAPI_GMM, bss_nu++, |
| 1814 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
| 1815 | |
| 1816 | send_llc_dl_ui(nsi, "RA UDP ACC (P-TMSI 3)", &sgsn_peer, 0x1002, |
| 1817 | local_sgsn_tlli2, 1, imsi, sizeof(imsi), |
| 1818 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1819 | dtap_ra_upd_acc3, sizeof(dtap_ra_upd_acc3)); |
| 1820 | |
| 1821 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1822 | |
| 1823 | OSMO_ASSERT(gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli2) == NULL); |
| 1824 | OSMO_ASSERT(gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli3) != NULL); |
| 1825 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli); |
| 1826 | OSMO_ASSERT(tlli_info); |
| 1827 | OSMO_ASSERT(tlli_info->tlli.assigned == local_bss_tlli3); |
| 1828 | OSMO_ASSERT(tlli_info->tlli.current == local_bss_tlli); |
| 1829 | OSMO_ASSERT(!tlli_info->tlli.bss_validated); |
| 1830 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1831 | OSMO_ASSERT(tlli_info->tlli.ptmsi == bss_ptmsi3); |
| 1832 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_sgsn_tlli3); |
| 1833 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == local_sgsn_tlli); |
| 1834 | OSMO_ASSERT(!tlli_info->sgsn_tlli.bss_validated); |
| 1835 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 1836 | OSMO_ASSERT(tlli_info->sgsn_tlli.ptmsi == sgsn_ptmsi3); |
| 1837 | |
| 1838 | send_llc_ul_ui(nsi, "RA UPD COMPLETE", &bss_peer[0], 0x1002, |
| 1839 | local_bss_tlli3, &rai_bss, 0x7080, |
| 1840 | GPRS_SAPI_GMM, bss_nu++, |
| 1841 | dtap_ra_upd_complete, sizeof(dtap_ra_upd_complete)); |
| 1842 | |
| 1843 | tlli_info = gbproxy_find_tlli(peer, local_bss_tlli3); |
| 1844 | |
| 1845 | OSMO_ASSERT(tlli_info); |
| 1846 | OSMO_ASSERT(tlli_info->tlli.bss_validated); |
| 1847 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1848 | OSMO_ASSERT(tlli_info->sgsn_tlli.bss_validated); |
| 1849 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 1850 | |
| 1851 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1852 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
| 1853 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1854 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1855 | |
| 1856 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1857 | |
| 1858 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli3); |
| 1859 | OSMO_ASSERT(tlli_info); |
| 1860 | OSMO_ASSERT(tlli_info->tlli.current == local_bss_tlli3); |
| 1861 | OSMO_ASSERT(tlli_info->tlli.assigned == 0); |
| 1862 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == local_sgsn_tlli3); |
| 1863 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == 0); |
| 1864 | |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1865 | /* Other messages */ |
| 1866 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1867 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1868 | |
| 1869 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1870 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1871 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli3, &rai_bss); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1872 | |
| 1873 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1874 | |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1875 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli3, &rai_sgsn); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1876 | |
| 1877 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1878 | |
| 1879 | /* Bad case: Invalid BVCI */ |
| 1880 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0xeee1, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1881 | local_bss_tlli3, 1, 12); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1882 | dump_global(stdout, 0); |
| 1883 | |
| 1884 | /* Bad case: Invalid RAI */ |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1885 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli3, &rai_unknown); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1886 | |
| 1887 | dump_global(stdout, 0); |
| 1888 | |
| 1889 | /* Bad case: Invalid MCC (LAC ok) */ |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1890 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli3, |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1891 | &rai_wrong_mcc_sgsn); |
| 1892 | |
| 1893 | dump_global(stdout, 0); |
| 1894 | |
Jacob Erlbeck | 7fb26c2 | 2014-09-04 11:08:50 +0200 | [diff] [blame] | 1895 | /* Bad case: Invalid TLLI from SGSN (IMSI unknown) */ |
| 1896 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1897 | unknown_sgsn_tlli, 1, NULL, 0, |
| 1898 | GPRS_SAPI_GMM, 2, |
| 1899 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1900 | |
| 1901 | /* Bad case: Invalid TLLI from SGSN (IMSI known) */ |
| 1902 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1903 | unknown_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 1904 | GPRS_SAPI_GMM, 3, |
| 1905 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1906 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1907 | /* Detach */ |
| 1908 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1909 | local_bss_tlli3, &rai_bss, cell_id, |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1910 | GPRS_SAPI_GMM, bss_nu++, |
| 1911 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 1912 | |
| 1913 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1914 | |
| 1915 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
Jacob Erlbeck | 52f070a | 2014-09-04 13:45:56 +0200 | [diff] [blame] | 1916 | local_sgsn_tlli3, 1, imsi, sizeof(imsi), |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1917 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1918 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 1919 | |
| 1920 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 299389a | 2014-08-21 16:34:18 +0200 | [diff] [blame] | 1921 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 1922 | dump_global(stdout, 0); |
| 1923 | |
| 1924 | gbprox_reset(&gbcfg); |
| 1925 | gprs_ns_destroy(nsi); |
| 1926 | nsi = NULL; |
| 1927 | } |
| 1928 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 1929 | static void test_gbproxy_imsi_acquisition() |
| 1930 | { |
| 1931 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1932 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1933 | struct sockaddr_in sgsn_peer= {0}; |
| 1934 | struct gprs_ra_id rai_bss = |
| 1935 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1936 | struct gprs_ra_id rai_sgsn = |
| 1937 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 1938 | struct gprs_ra_id rai_wrong_mcc_sgsn = |
| 1939 | {.mcc = 999, .mnc = 456, .lac = 16464, .rac = 96}; |
| 1940 | struct gprs_ra_id rai_unknown = |
| 1941 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1942 | uint16_t cell_id = 0x1234; |
| 1943 | |
| 1944 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 1945 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
| 1946 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
| 1947 | |
| 1948 | const uint32_t bss_ptmsi = 0xc00f7304; |
| 1949 | const uint32_t local_bss_tlli = 0xc00f7304; |
| 1950 | const uint32_t foreign_bss_tlli = 0x8000dead; |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1951 | const uint32_t other_bss_tlli = 0x8000beef; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 1952 | |
| 1953 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
| 1954 | struct gbproxy_tlli_info *tlli_info; |
| 1955 | struct gbproxy_peer *peer; |
| 1956 | unsigned bss_nu = 0; |
| 1957 | unsigned sgsn_nu = 0; |
| 1958 | |
| 1959 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 1960 | |
| 1961 | bssgp_nsi = nsi; |
| 1962 | gbcfg.nsi = bssgp_nsi; |
| 1963 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1964 | gbcfg.core_mcc = 123; |
| 1965 | gbcfg.core_mnc = 456; |
| 1966 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 1967 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 1968 | gbcfg.patch_ptmsi = 1; |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 1969 | gbcfg.acquire_imsi = 1; |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 1970 | gbcfg.bss_ptmsi_state = 0; |
| 1971 | gbcfg.sgsn_tlli_state = 1; |
| 1972 | |
| 1973 | configure_sgsn_peer(&sgsn_peer); |
| 1974 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 1975 | |
| 1976 | printf("=== %s ===\n", __func__); |
| 1977 | printf("--- Initialise SGSN ---\n\n"); |
| 1978 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 1979 | connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 1980 | |
| 1981 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1982 | |
| 1983 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1984 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1985 | |
| 1986 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 1987 | OSMO_ASSERT(peer != NULL); |
| 1988 | |
| 1989 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1990 | |
| 1991 | gprs_dump_nsi(nsi); |
| 1992 | dump_global(stdout, 0); |
| 1993 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1994 | |
| 1995 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1996 | |
| 1997 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 1998 | foreign_bss_tlli, &rai_bss, cell_id, |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 1999 | GPRS_SAPI_GMM, bss_nu++, |
| 2000 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2001 | |
| 2002 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2003 | |
Jacob Erlbeck | 5f4ef32 | 2014-08-22 17:10:01 +0200 | [diff] [blame] | 2004 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2005 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2006 | GPRS_SAPI_GMM, bss_nu++, |
| 2007 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2008 | |
| 2009 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2010 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2011 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 2012 | random_sgsn_tlli, 0, NULL, 0, |
| 2013 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2014 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2015 | |
| 2016 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2017 | |
| 2018 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2019 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2020 | GPRS_SAPI_GMM, bss_nu++, |
| 2021 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2022 | |
| 2023 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2024 | |
| 2025 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 2026 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2027 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2028 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2029 | |
| 2030 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2031 | |
| 2032 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, random_sgsn_tlli); |
| 2033 | OSMO_ASSERT(tlli_info); |
| 2034 | OSMO_ASSERT(tlli_info->tlli.assigned == local_bss_tlli); |
| 2035 | OSMO_ASSERT(tlli_info->tlli.current == foreign_bss_tlli); |
| 2036 | OSMO_ASSERT(!tlli_info->tlli.bss_validated); |
| 2037 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 2038 | OSMO_ASSERT(tlli_info->tlli.ptmsi == bss_ptmsi); |
| 2039 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2040 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2041 | OSMO_ASSERT(!tlli_info->sgsn_tlli.bss_validated); |
| 2042 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 2043 | OSMO_ASSERT(tlli_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
| 2044 | |
| 2045 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2046 | local_bss_tlli, &rai_bss, cell_id, |
| 2047 | GPRS_SAPI_GMM, bss_nu++, |
| 2048 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2049 | |
| 2050 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2051 | |
| 2052 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli); |
| 2053 | OSMO_ASSERT(tlli_info); |
| 2054 | OSMO_ASSERT(tlli_info->tlli.assigned == local_bss_tlli); |
| 2055 | OSMO_ASSERT(tlli_info->tlli.current == foreign_bss_tlli); |
| 2056 | OSMO_ASSERT(tlli_info->tlli.bss_validated); |
| 2057 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 2058 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2059 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2060 | OSMO_ASSERT(tlli_info->sgsn_tlli.bss_validated); |
| 2061 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 2062 | |
| 2063 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 2064 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2065 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2066 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2067 | |
| 2068 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2069 | |
| 2070 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli); |
| 2071 | OSMO_ASSERT(tlli_info); |
| 2072 | OSMO_ASSERT(tlli_info->tlli.current == local_bss_tlli); |
| 2073 | OSMO_ASSERT(tlli_info->tlli.assigned == 0); |
| 2074 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2075 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == 0); |
| 2076 | |
| 2077 | /* Non-DTAP */ |
| 2078 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2079 | local_bss_tlli, &rai_bss, cell_id, |
| 2080 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2081 | |
| 2082 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer, 0x1002, |
| 2083 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2084 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2085 | |
| 2086 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2087 | local_bss_tlli, &rai_bss, cell_id, |
| 2088 | llc_ui_ll11_dns_query_ul, |
| 2089 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2090 | |
| 2091 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer, 0x1002, |
| 2092 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2093 | llc_ui_ll11_dns_resp_dl, |
| 2094 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2095 | |
| 2096 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2097 | |
| 2098 | /* Other messages */ |
| 2099 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
| 2100 | local_bss_tlli, 1, 12); |
| 2101 | |
| 2102 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2103 | |
| 2104 | send_bssgp_llc_discarded(nsi, &sgsn_peer, 0x1002, |
| 2105 | local_sgsn_tlli, 1, 12); |
| 2106 | |
| 2107 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2108 | |
| 2109 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli, &rai_bss); |
| 2110 | |
| 2111 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2112 | |
| 2113 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli, &rai_sgsn); |
| 2114 | |
| 2115 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2116 | |
| 2117 | /* Bad case: Invalid BVCI */ |
| 2118 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0xeee1, |
| 2119 | local_bss_tlli, 1, 12); |
| 2120 | dump_global(stdout, 0); |
| 2121 | |
| 2122 | /* Bad case: Invalid RAI */ |
| 2123 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli, &rai_unknown); |
| 2124 | |
| 2125 | dump_global(stdout, 0); |
| 2126 | |
| 2127 | /* Bad case: Invalid MCC (LAC ok) */ |
| 2128 | send_bssgp_suspend_ack(nsi, &sgsn_peer, local_sgsn_tlli, |
| 2129 | &rai_wrong_mcc_sgsn); |
| 2130 | |
| 2131 | dump_global(stdout, 0); |
| 2132 | |
| 2133 | /* Detach */ |
| 2134 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2135 | local_bss_tlli, &rai_bss, cell_id, |
| 2136 | GPRS_SAPI_GMM, bss_nu++, |
| 2137 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2138 | |
| 2139 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2140 | |
| 2141 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 2142 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 2143 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2144 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2145 | |
| 2146 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2147 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2148 | /* Special case: Repeated Attach Requests */ |
| 2149 | |
| 2150 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2151 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2152 | GPRS_SAPI_GMM, bss_nu++, |
| 2153 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2154 | |
| 2155 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2156 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2157 | GPRS_SAPI_GMM, bss_nu++, |
| 2158 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2159 | |
Jacob Erlbeck | 991606b | 2014-09-12 10:33:38 +0200 | [diff] [blame] | 2160 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2161 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2162 | GPRS_SAPI_GMM, bss_nu++, |
| 2163 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2164 | |
| 2165 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2166 | |
| 2167 | /* Special case: Detach from an unknown TLLI */ |
| 2168 | |
| 2169 | send_llc_ul_ui(nsi, "DETACH REQ (unknown TLLI)", &bss_peer[0], 0x1002, |
| 2170 | other_bss_tlli, &rai_bss, cell_id, |
| 2171 | GPRS_SAPI_GMM, bss_nu++, |
| 2172 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2173 | |
Jacob Erlbeck | ea1698e | 2014-09-02 14:40:11 +0200 | [diff] [blame] | 2174 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2175 | |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 2176 | dump_global(stdout, 0); |
| 2177 | |
| 2178 | gbprox_reset(&gbcfg); |
| 2179 | gprs_ns_destroy(nsi); |
| 2180 | nsi = NULL; |
| 2181 | } |
| 2182 | |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 2183 | static void test_gbproxy_secondary_sgsn() |
| 2184 | { |
| 2185 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 2186 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 2187 | struct sockaddr_in sgsn_peer[2]= {{0},}; |
| 2188 | struct gprs_ra_id rai_bss = |
| 2189 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 2190 | struct gprs_ra_id rai_sgsn = |
| 2191 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 2192 | struct gprs_ra_id rai_unknown = |
| 2193 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 2194 | uint16_t cell_id = 0x1234; |
| 2195 | |
| 2196 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 2197 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
| 2198 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
| 2199 | |
| 2200 | const uint32_t bss_ptmsi = 0xc00f7304; |
| 2201 | const uint32_t local_bss_tlli = 0xc00f7304; |
| 2202 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 2203 | |
| 2204 | const uint32_t sgsn_ptmsi2 = 0xe0987654; |
| 2205 | const uint32_t local_sgsn_tlli2 = 0xe0987654; |
| 2206 | const uint32_t random_sgsn_tlli2 = 0x7eb52dfb; |
| 2207 | const uint32_t bss_ptmsi2 = 0xe656aa1f; |
| 2208 | const uint32_t local_bss_tlli2 = 0xe656aa1f; |
| 2209 | const uint32_t foreign_bss_tlli2 = 0x8000beef; |
| 2210 | |
| 2211 | const uint8_t imsi1[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
| 2212 | const uint8_t imsi2[] = {0x11, 0x12, 0x99, 0x99, 0x99, 0x16, 0x17, 0x18}; |
| 2213 | struct gbproxy_tlli_info *tlli_info; |
| 2214 | struct gbproxy_peer *peer; |
| 2215 | unsigned bss_nu = 0; |
| 2216 | unsigned sgsn_nu = 0; |
| 2217 | |
| 2218 | const char *err_msg = NULL; |
| 2219 | const char *filter_re = "999999"; |
| 2220 | |
| 2221 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 2222 | OSMO_ASSERT(local_sgsn_tlli2 == gprs_tmsi2tlli(sgsn_ptmsi2, TLLI_LOCAL)); |
| 2223 | |
| 2224 | bssgp_nsi = nsi; |
| 2225 | gbcfg.nsi = bssgp_nsi; |
| 2226 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 2227 | gbcfg.core_mcc = 123; |
| 2228 | gbcfg.core_mnc = 456; |
| 2229 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 2230 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 2231 | gbcfg.patch_ptmsi = 1; |
| 2232 | gbcfg.acquire_imsi = 1; |
| 2233 | gbcfg.bss_ptmsi_state = 0; |
| 2234 | gbcfg.sgsn_tlli_state = 1; |
| 2235 | gbcfg.route_to_sgsn2 = 1; |
| 2236 | gbcfg.nsip_sgsn2_nsei = SGSN2_NSEI; |
| 2237 | |
| 2238 | if (gbproxy_set_patch_filter(&gbcfg, filter_re, &err_msg) != 0) { |
| 2239 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 2240 | err_msg); |
| 2241 | OSMO_ASSERT(err_msg == NULL); |
| 2242 | } |
| 2243 | |
| 2244 | configure_sgsn_peer(&sgsn_peer[0]); |
| 2245 | configure_sgsn2_peer(&sgsn_peer[1]); |
| 2246 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 2247 | |
| 2248 | printf("=== %s ===\n", __func__); |
| 2249 | printf("--- Initialise SGSN 1 ---\n\n"); |
| 2250 | |
| 2251 | connect_sgsn(nsi, &sgsn_peer[0], SGSN_NSEI); |
| 2252 | |
| 2253 | printf("--- Initialise SGSN 2 ---\n\n"); |
| 2254 | |
| 2255 | connect_sgsn(nsi, &sgsn_peer[1], SGSN2_NSEI); |
| 2256 | |
| 2257 | printf("--- Initialise BSS 1 ---\n\n"); |
| 2258 | |
| 2259 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 2260 | setup_bssgp(nsi, &bss_peer[0], 0x0); |
| 2261 | send_bssgp_reset_ack(nsi, &sgsn_peer[0], 0x0); |
| 2262 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 2263 | send_bssgp_reset_ack(nsi, &sgsn_peer[0], 0x1002); |
| 2264 | send_bssgp_reset_ack(nsi, &sgsn_peer[1], 0x1002); |
| 2265 | |
| 2266 | peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); |
| 2267 | OSMO_ASSERT(peer != NULL); |
| 2268 | |
| 2269 | gprs_dump_nsi(nsi); |
| 2270 | dump_global(stdout, 0); |
| 2271 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2272 | |
| 2273 | printf("--- Flow control ---\n\n"); |
| 2274 | |
| 2275 | send_bssgp_flow_control_bvc(nsi, &bss_peer[0], 0x1002, 1); |
| 2276 | send_bssgp_flow_control_bvc_ack(nsi, &sgsn_peer[0], 0x1002, 1); |
| 2277 | send_bssgp_flow_control_bvc_ack(nsi, &sgsn_peer[1], 0x1002, 1); |
| 2278 | |
| 2279 | printf("--- Establish GPRS connection (SGSN 1) ---\n\n"); |
| 2280 | |
| 2281 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2282 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 2283 | GPRS_SAPI_GMM, bss_nu++, |
| 2284 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2285 | |
| 2286 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2287 | |
| 2288 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2289 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2290 | GPRS_SAPI_GMM, bss_nu++, |
| 2291 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2292 | |
| 2293 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2294 | |
| 2295 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer[0], 0x1002, |
| 2296 | random_sgsn_tlli, 0, NULL, 0, |
| 2297 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2298 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2299 | |
| 2300 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2301 | |
| 2302 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2303 | foreign_bss_tlli, &rai_bss, cell_id, |
| 2304 | GPRS_SAPI_GMM, bss_nu++, |
| 2305 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2306 | |
| 2307 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2308 | |
| 2309 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer[0], 0x1002, |
| 2310 | random_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2311 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2312 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 2313 | |
| 2314 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2315 | |
| 2316 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, random_sgsn_tlli); |
| 2317 | OSMO_ASSERT(tlli_info); |
| 2318 | OSMO_ASSERT(tlli_info->tlli.assigned == local_bss_tlli); |
| 2319 | OSMO_ASSERT(tlli_info->tlli.current == foreign_bss_tlli); |
| 2320 | OSMO_ASSERT(!tlli_info->tlli.bss_validated); |
| 2321 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 2322 | OSMO_ASSERT(tlli_info->tlli.ptmsi == bss_ptmsi); |
| 2323 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2324 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2325 | OSMO_ASSERT(!tlli_info->sgsn_tlli.bss_validated); |
| 2326 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 2327 | OSMO_ASSERT(tlli_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
| 2328 | |
| 2329 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2330 | local_bss_tlli, &rai_bss, cell_id, |
| 2331 | GPRS_SAPI_GMM, bss_nu++, |
| 2332 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2333 | |
| 2334 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2335 | |
| 2336 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli); |
| 2337 | OSMO_ASSERT(tlli_info); |
| 2338 | OSMO_ASSERT(tlli_info->tlli.assigned == local_bss_tlli); |
| 2339 | OSMO_ASSERT(tlli_info->tlli.current == foreign_bss_tlli); |
| 2340 | OSMO_ASSERT(tlli_info->tlli.bss_validated); |
| 2341 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 2342 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 2343 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == random_sgsn_tlli); |
| 2344 | OSMO_ASSERT(tlli_info->sgsn_tlli.bss_validated); |
| 2345 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 2346 | |
| 2347 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer[0], 0x1002, |
| 2348 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2349 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2350 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2351 | |
| 2352 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2353 | |
| 2354 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli); |
| 2355 | OSMO_ASSERT(tlli_info); |
| 2356 | OSMO_ASSERT(tlli_info->tlli.current == local_bss_tlli); |
| 2357 | OSMO_ASSERT(tlli_info->tlli.assigned == 0); |
| 2358 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == local_sgsn_tlli); |
| 2359 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == 0); |
| 2360 | |
| 2361 | /* Non-DTAP */ |
| 2362 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2363 | local_bss_tlli, &rai_bss, cell_id, |
| 2364 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2365 | |
| 2366 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer[0], 0x1002, |
| 2367 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2368 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2369 | |
| 2370 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2371 | local_bss_tlli, &rai_bss, cell_id, |
| 2372 | llc_ui_ll11_dns_query_ul, |
| 2373 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2374 | |
| 2375 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer[0], 0x1002, |
| 2376 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2377 | llc_ui_ll11_dns_resp_dl, |
| 2378 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2379 | |
| 2380 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2381 | |
| 2382 | /* Other messages */ |
| 2383 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
| 2384 | local_bss_tlli, 1, 12); |
| 2385 | |
| 2386 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2387 | |
| 2388 | send_bssgp_llc_discarded(nsi, &sgsn_peer[0], 0x1002, |
| 2389 | local_sgsn_tlli, 1, 12); |
| 2390 | |
| 2391 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2392 | |
| 2393 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli, &rai_bss); |
| 2394 | |
| 2395 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2396 | |
| 2397 | send_bssgp_suspend_ack(nsi, &sgsn_peer[0], local_sgsn_tlli, &rai_sgsn); |
| 2398 | |
| 2399 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2400 | |
| 2401 | printf("--- Establish GPRS connection (SGSN 2) ---\n\n"); |
| 2402 | |
| 2403 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 2404 | foreign_bss_tlli2, &rai_unknown, cell_id, |
| 2405 | GPRS_SAPI_GMM, bss_nu++, |
| 2406 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 2407 | |
| 2408 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2409 | |
| 2410 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2411 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 2412 | GPRS_SAPI_GMM, bss_nu++, |
| 2413 | dtap_identity2_resp, sizeof(dtap_identity2_resp)); |
| 2414 | |
| 2415 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2416 | |
| 2417 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer[1], 0x1002, |
| 2418 | random_sgsn_tlli2, 0, NULL, 0, |
| 2419 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2420 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 2421 | |
| 2422 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2423 | |
| 2424 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 2425 | foreign_bss_tlli2, &rai_bss, cell_id, |
| 2426 | GPRS_SAPI_GMM, bss_nu++, |
| 2427 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 2428 | |
| 2429 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2430 | |
| 2431 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer[1], 0x1002, |
| 2432 | random_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 2433 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2434 | dtap_attach_acc2, sizeof(dtap_attach_acc2)); |
| 2435 | |
| 2436 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2437 | |
| 2438 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, random_sgsn_tlli2); |
| 2439 | OSMO_ASSERT(tlli_info); |
| 2440 | OSMO_ASSERT(tlli_info->tlli.assigned == local_bss_tlli2); |
| 2441 | OSMO_ASSERT(tlli_info->tlli.current == foreign_bss_tlli2); |
| 2442 | OSMO_ASSERT(!tlli_info->tlli.bss_validated); |
| 2443 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 2444 | OSMO_ASSERT(tlli_info->tlli.ptmsi == bss_ptmsi2); |
| 2445 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 2446 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 2447 | OSMO_ASSERT(!tlli_info->sgsn_tlli.bss_validated); |
| 2448 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 2449 | OSMO_ASSERT(tlli_info->sgsn_tlli.ptmsi == sgsn_ptmsi2); |
| 2450 | |
| 2451 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 2452 | local_bss_tlli2, &rai_bss, cell_id, |
| 2453 | GPRS_SAPI_GMM, bss_nu++, |
| 2454 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 2455 | |
| 2456 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2457 | |
| 2458 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli2); |
| 2459 | OSMO_ASSERT(tlli_info); |
| 2460 | OSMO_ASSERT(tlli_info->tlli.assigned == local_bss_tlli2); |
| 2461 | OSMO_ASSERT(tlli_info->tlli.current == foreign_bss_tlli2); |
| 2462 | OSMO_ASSERT(tlli_info->tlli.bss_validated); |
| 2463 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 2464 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_sgsn_tlli2); |
| 2465 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == random_sgsn_tlli2); |
| 2466 | OSMO_ASSERT(tlli_info->sgsn_tlli.bss_validated); |
| 2467 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 2468 | |
| 2469 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer[1], 0x1002, |
| 2470 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 2471 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2472 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 2473 | |
| 2474 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2475 | |
| 2476 | tlli_info = gbproxy_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli2); |
| 2477 | OSMO_ASSERT(tlli_info); |
| 2478 | OSMO_ASSERT(tlli_info->tlli.current == local_bss_tlli2); |
| 2479 | OSMO_ASSERT(tlli_info->tlli.assigned == 0); |
| 2480 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == local_sgsn_tlli2); |
| 2481 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == 0); |
| 2482 | |
| 2483 | /* Non-DTAP */ |
| 2484 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 2485 | local_bss_tlli2, &rai_bss, cell_id, |
| 2486 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 2487 | |
| 2488 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer[1], 0x1002, |
| 2489 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 2490 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 2491 | |
| 2492 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 2493 | local_bss_tlli2, &rai_bss, cell_id, |
| 2494 | llc_ui_ll11_dns_query_ul, |
| 2495 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 2496 | |
| 2497 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer[1], 0x1002, |
| 2498 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 2499 | llc_ui_ll11_dns_resp_dl, |
| 2500 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 2501 | |
| 2502 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2503 | |
| 2504 | /* Other messages */ |
| 2505 | send_bssgp_llc_discarded(nsi, &bss_peer[0], 0x1002, |
| 2506 | local_bss_tlli2, 1, 12); |
| 2507 | |
| 2508 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2509 | |
| 2510 | send_bssgp_llc_discarded(nsi, &sgsn_peer[1], 0x1002, |
| 2511 | local_sgsn_tlli2, 1, 12); |
| 2512 | |
| 2513 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2514 | |
| 2515 | send_bssgp_suspend(nsi, &bss_peer[0], local_bss_tlli2, &rai_bss); |
| 2516 | |
| 2517 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2518 | |
| 2519 | send_bssgp_suspend_ack(nsi, &sgsn_peer[1], local_sgsn_tlli2, &rai_sgsn); |
| 2520 | |
| 2521 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2522 | |
| 2523 | printf("--- Shutdown GPRS connection (SGSN 1) ---\n\n"); |
| 2524 | |
| 2525 | /* Detach */ |
| 2526 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2527 | local_bss_tlli, &rai_bss, cell_id, |
| 2528 | GPRS_SAPI_GMM, bss_nu++, |
| 2529 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2530 | |
| 2531 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2532 | |
| 2533 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer[0], 0x1002, |
| 2534 | local_sgsn_tlli, 1, imsi1, sizeof(imsi1), |
| 2535 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2536 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2537 | |
| 2538 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2539 | |
| 2540 | printf("--- Shutdown GPRS connection (SGSN 2) ---\n\n"); |
| 2541 | |
| 2542 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 2543 | local_bss_tlli2, &rai_bss, cell_id, |
| 2544 | GPRS_SAPI_GMM, bss_nu++, |
| 2545 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 2546 | |
| 2547 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2548 | |
| 2549 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer[1], 0x1002, |
| 2550 | local_sgsn_tlli2, 1, imsi2, sizeof(imsi2), |
| 2551 | GPRS_SAPI_GMM, sgsn_nu++, |
| 2552 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 2553 | |
| 2554 | dump_peers(stdout, 0, 0, &gbcfg); |
| 2555 | |
| 2556 | dump_global(stdout, 0); |
| 2557 | |
| 2558 | gbprox_reset(&gbcfg); |
| 2559 | gprs_ns_destroy(nsi); |
| 2560 | nsi = NULL; |
| 2561 | } |
| 2562 | |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 2563 | /* TODO: Move tlv testing to libosmocore */ |
| 2564 | int v_fixed_shift(uint8_t **data, size_t *data_len, size_t len, uint8_t **value); |
| 2565 | int tv_fixed_match(uint8_t **data, size_t *data_len, uint8_t tag, size_t len, |
| 2566 | uint8_t **value); |
| 2567 | int tlv_match(uint8_t **data, size_t *data_len, uint8_t tag, uint8_t **value, |
| 2568 | size_t *value_len); |
| 2569 | int lv_shift(uint8_t **data, size_t *data_len, |
| 2570 | uint8_t **value, size_t *value_len); |
| 2571 | |
| 2572 | static void check_tlv_match(uint8_t **data, size_t *data_len, |
| 2573 | uint8_t tag, size_t exp_len, const uint8_t *exp_val) |
| 2574 | { |
| 2575 | uint8_t *value; |
| 2576 | size_t value_len; |
| 2577 | int rc; |
| 2578 | |
| 2579 | rc = tlv_match(data, data_len, tag ^ 1, NULL, NULL); |
| 2580 | OSMO_ASSERT(rc == 0); |
| 2581 | |
| 2582 | rc = tlv_match(data, data_len, tag, &value, &value_len); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 2583 | OSMO_ASSERT(rc == (int)value_len + 2); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 2584 | OSMO_ASSERT(value_len == exp_len); |
| 2585 | OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); |
| 2586 | } |
| 2587 | |
| 2588 | static void check_tv_fixed_match(uint8_t **data, size_t *data_len, |
| 2589 | uint8_t tag, size_t len, const uint8_t *exp_val) |
| 2590 | { |
| 2591 | uint8_t *value; |
| 2592 | int rc; |
| 2593 | |
| 2594 | rc = tv_fixed_match(data, data_len, tag ^ 1, len, NULL); |
| 2595 | OSMO_ASSERT(rc == 0); |
| 2596 | |
| 2597 | rc = tv_fixed_match(data, data_len, tag, len, &value); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 2598 | OSMO_ASSERT(rc == (int)len + 1); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 2599 | OSMO_ASSERT(memcmp(value, exp_val, len) == 0); |
| 2600 | } |
| 2601 | |
| 2602 | static void check_v_fixed_shift(uint8_t **data, size_t *data_len, |
| 2603 | size_t len, const uint8_t *exp_val) |
| 2604 | { |
| 2605 | uint8_t *value; |
| 2606 | int rc; |
| 2607 | |
| 2608 | rc = v_fixed_shift(data, data_len, len, &value); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 2609 | OSMO_ASSERT(rc == (int)len); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 2610 | OSMO_ASSERT(memcmp(value, exp_val, len) == 0); |
| 2611 | } |
| 2612 | |
| 2613 | static void check_lv_shift(uint8_t **data, size_t *data_len, |
| 2614 | size_t exp_len, const uint8_t *exp_val) |
| 2615 | { |
| 2616 | uint8_t *value; |
| 2617 | size_t value_len; |
| 2618 | int rc; |
| 2619 | |
| 2620 | rc = lv_shift(data, data_len, &value, &value_len); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 2621 | OSMO_ASSERT(rc == (int)value_len + 1); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 2622 | OSMO_ASSERT(value_len == exp_len); |
| 2623 | OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); |
| 2624 | } |
| 2625 | |
| 2626 | static void check_tlv_match_data_len(size_t data_len, uint8_t tag, size_t len, |
| 2627 | const uint8_t *test_data) |
| 2628 | { |
| 2629 | uint8_t buf[300] = {0}; |
| 2630 | |
| 2631 | uint8_t *unchanged_ptr = buf - 1; |
| 2632 | size_t unchanged_len = 0xdead; |
| 2633 | size_t tmp_data_len = data_len; |
| 2634 | uint8_t *value = unchanged_ptr; |
| 2635 | size_t value_len = unchanged_len; |
| 2636 | uint8_t *data = buf; |
| 2637 | |
| 2638 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 2639 | |
| 2640 | tlv_put(data, tag, len, test_data); |
| 2641 | if (data_len < len + 2) { |
| 2642 | OSMO_ASSERT(-1 == tlv_match(&data, &tmp_data_len, |
| 2643 | tag, &value, &value_len)); |
| 2644 | OSMO_ASSERT(tmp_data_len == 0); |
| 2645 | OSMO_ASSERT(data == buf + data_len); |
| 2646 | OSMO_ASSERT(value == unchanged_ptr); |
| 2647 | OSMO_ASSERT(value_len == unchanged_len); |
| 2648 | } else { |
| 2649 | OSMO_ASSERT(0 <= tlv_match(&data, &tmp_data_len, |
| 2650 | tag, &value, &value_len)); |
| 2651 | OSMO_ASSERT(value != unchanged_ptr); |
| 2652 | OSMO_ASSERT(value_len != unchanged_len); |
| 2653 | } |
| 2654 | } |
| 2655 | |
| 2656 | static void check_tv_fixed_match_data_len(size_t data_len, |
| 2657 | uint8_t tag, size_t len, |
| 2658 | const uint8_t *test_data) |
| 2659 | { |
| 2660 | uint8_t buf[300] = {0}; |
| 2661 | |
| 2662 | uint8_t *unchanged_ptr = buf - 1; |
| 2663 | size_t tmp_data_len = data_len; |
| 2664 | uint8_t *value = unchanged_ptr; |
| 2665 | uint8_t *data = buf; |
| 2666 | |
| 2667 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 2668 | |
| 2669 | tv_fixed_put(data, tag, len, test_data); |
| 2670 | |
| 2671 | if (data_len < len + 1) { |
| 2672 | OSMO_ASSERT(-1 == tv_fixed_match(&data, &tmp_data_len, |
| 2673 | tag, len, &value)); |
| 2674 | OSMO_ASSERT(tmp_data_len == 0); |
| 2675 | OSMO_ASSERT(data == buf + data_len); |
| 2676 | OSMO_ASSERT(value == unchanged_ptr); |
| 2677 | } else { |
| 2678 | OSMO_ASSERT(0 <= tv_fixed_match(&data, &tmp_data_len, |
| 2679 | tag, len, &value)); |
| 2680 | OSMO_ASSERT(value != unchanged_ptr); |
| 2681 | } |
| 2682 | } |
| 2683 | |
| 2684 | static void check_v_fixed_shift_data_len(size_t data_len, |
| 2685 | size_t len, const uint8_t *test_data) |
| 2686 | { |
| 2687 | uint8_t buf[300] = {0}; |
| 2688 | |
| 2689 | uint8_t *unchanged_ptr = buf - 1; |
| 2690 | size_t tmp_data_len = data_len; |
| 2691 | uint8_t *value = unchanged_ptr; |
| 2692 | uint8_t *data = buf; |
| 2693 | |
| 2694 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 2695 | |
| 2696 | memcpy(data, test_data, len); |
| 2697 | |
| 2698 | if (data_len < len) { |
| 2699 | OSMO_ASSERT(-1 == v_fixed_shift(&data, &tmp_data_len, |
| 2700 | len, &value)); |
| 2701 | OSMO_ASSERT(tmp_data_len == 0); |
| 2702 | OSMO_ASSERT(data == buf + data_len); |
| 2703 | OSMO_ASSERT(value == unchanged_ptr); |
| 2704 | } else { |
| 2705 | OSMO_ASSERT(0 <= v_fixed_shift(&data, &tmp_data_len, |
| 2706 | len, &value)); |
| 2707 | OSMO_ASSERT(value != unchanged_ptr); |
| 2708 | } |
| 2709 | } |
| 2710 | |
| 2711 | static void check_lv_shift_data_len(size_t data_len, |
| 2712 | size_t len, const uint8_t *test_data) |
| 2713 | { |
| 2714 | uint8_t buf[300] = {0}; |
| 2715 | |
| 2716 | uint8_t *unchanged_ptr = buf - 1; |
| 2717 | size_t unchanged_len = 0xdead; |
| 2718 | size_t tmp_data_len = data_len; |
| 2719 | uint8_t *value = unchanged_ptr; |
| 2720 | size_t value_len = unchanged_len; |
| 2721 | uint8_t *data = buf; |
| 2722 | |
| 2723 | lv_put(data, len, test_data); |
| 2724 | if (data_len < len + 1) { |
| 2725 | OSMO_ASSERT(-1 == lv_shift(&data, &tmp_data_len, |
| 2726 | &value, &value_len)); |
| 2727 | OSMO_ASSERT(tmp_data_len == 0); |
| 2728 | OSMO_ASSERT(data == buf + data_len); |
| 2729 | OSMO_ASSERT(value == unchanged_ptr); |
| 2730 | OSMO_ASSERT(value_len == unchanged_len); |
| 2731 | } else { |
| 2732 | OSMO_ASSERT(0 <= lv_shift(&data, &tmp_data_len, |
| 2733 | &value, &value_len)); |
| 2734 | OSMO_ASSERT(value != unchanged_ptr); |
| 2735 | OSMO_ASSERT(value_len != unchanged_len); |
| 2736 | } |
| 2737 | } |
| 2738 | |
| 2739 | static void test_tlv_shift_functions() |
| 2740 | { |
| 2741 | uint8_t test_data[1024]; |
| 2742 | uint8_t buf[1024]; |
| 2743 | uint8_t *data_end; |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 2744 | unsigned i, len; |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 2745 | uint8_t *data; |
| 2746 | size_t data_len; |
| 2747 | const uint8_t tag = 0x1a; |
| 2748 | |
| 2749 | printf("Test shift functions\n"); |
| 2750 | |
| 2751 | for (i = 0; i < ARRAY_SIZE(test_data); i++) |
| 2752 | test_data[i] = (uint8_t)i; |
| 2753 | |
| 2754 | for (len = 0; len < 256; len++) { |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 2755 | const unsigned iterations = sizeof(buf) / (len + 2) / 4; |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 2756 | |
| 2757 | memset(buf, 0xee, sizeof(buf)); |
| 2758 | data_end = data = buf; |
| 2759 | |
| 2760 | for (i = 0; i < iterations; i++) { |
| 2761 | data_end = tlv_put(data_end, tag, len, test_data); |
| 2762 | data_end = tv_fixed_put(data_end, tag, len, test_data); |
| 2763 | /* v_fixed_put */ |
| 2764 | memcpy(data_end, test_data, len); |
| 2765 | data_end += len; |
| 2766 | data_end = lv_put(data_end, len, test_data); |
| 2767 | } |
| 2768 | |
| 2769 | data_len = data_end - data; |
| 2770 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 2771 | |
| 2772 | for (i = 0; i < iterations; i++) { |
| 2773 | check_tlv_match(&data, &data_len, tag, len, test_data); |
| 2774 | check_tv_fixed_match(&data, &data_len, tag, len, test_data); |
| 2775 | check_v_fixed_shift(&data, &data_len, len, test_data); |
| 2776 | check_lv_shift(&data, &data_len, len, test_data); |
| 2777 | } |
| 2778 | |
| 2779 | OSMO_ASSERT(data == data_end); |
| 2780 | |
| 2781 | /* Test at end of data */ |
| 2782 | |
| 2783 | OSMO_ASSERT(-1 == tlv_match(&data, &data_len, tag, NULL, NULL)); |
| 2784 | OSMO_ASSERT(-1 == tv_fixed_match(&data, &data_len, tag, len, NULL)); |
| 2785 | OSMO_ASSERT((len ? -1 : 0) == v_fixed_shift(&data, &data_len, len, NULL)); |
| 2786 | OSMO_ASSERT(-1 == lv_shift(&data, &data_len, NULL, NULL)); |
| 2787 | |
| 2788 | /* Test invalid data_len */ |
| 2789 | for (data_len = 0; data_len <= len + 2 + 1; data_len += 1) { |
| 2790 | check_tlv_match_data_len(data_len, tag, len, test_data); |
| 2791 | check_tv_fixed_match_data_len(data_len, tag, len, test_data); |
| 2792 | check_v_fixed_shift_data_len(data_len, len, test_data); |
| 2793 | check_lv_shift_data_len(data_len, len, test_data); |
| 2794 | } |
| 2795 | } |
| 2796 | } |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2797 | |
| 2798 | static void test_gbproxy_tlli_expire(void) |
| 2799 | { |
| 2800 | struct gbproxy_config cfg = {0}; |
| 2801 | struct gbproxy_peer *peer; |
| 2802 | const char *err_msg = NULL; |
| 2803 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI, 0x23, 0x24, 0x25, 0x26 }; |
| 2804 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI, 0x26, 0x27, 0x28, 0x29 }; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 2805 | 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] | 2806 | const uint32_t tlli1 = 1234 | 0xc0000000; |
| 2807 | const uint32_t tlli2 = 5678 | 0xc0000000; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 2808 | const uint32_t tlli3 = 3456 | 0xc0000000; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2809 | const char *filter_re = ".*"; |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 2810 | time_t now = 1407479214; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2811 | |
| 2812 | printf("Test TLLI info expiry\n\n"); |
| 2813 | |
| 2814 | gbproxy_init_config(&cfg); |
| 2815 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2816 | 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] | 2817 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 2818 | err_msg); |
| 2819 | OSMO_ASSERT(err_msg == NULL); |
| 2820 | } |
| 2821 | |
| 2822 | { |
| 2823 | struct gbproxy_tlli_info *tlli_info; |
| 2824 | |
| 2825 | printf("Test TLLI replacement:\n"); |
| 2826 | |
| 2827 | cfg.tlli_max_len = 0; |
| 2828 | cfg.tlli_max_age = 0; |
| 2829 | peer = gbproxy_peer_alloc(&cfg, 20); |
| 2830 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 0); |
| 2831 | |
| 2832 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2833 | tlli_info = gbproxy_register_tlli(peer, tlli1, |
| 2834 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 5e68ecf | 2014-08-07 20:18:47 +0200 | [diff] [blame] | 2835 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2836 | OSMO_ASSERT(tlli_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2837 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 2838 | |
| 2839 | /* replace the old entry */ |
| 2840 | printf(" Add TLLI 2, IMSI 1 (should replace TLLI 1)\n"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2841 | tlli_info = gbproxy_register_tlli(peer, tlli2, |
| 2842 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 5e68ecf | 2014-08-07 20:18:47 +0200 | [diff] [blame] | 2843 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2844 | OSMO_ASSERT(tlli_info->tlli.current == tlli2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2845 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 2846 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 2847 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2848 | |
| 2849 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 2850 | tlli_info = gbproxy_find_tlli_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2851 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2852 | OSMO_ASSERT(tlli_info->tlli.current == tlli2); |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 2853 | tlli_info = gbproxy_find_tlli_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2854 | OSMO_ASSERT(!tlli_info); |
| 2855 | |
| 2856 | printf("\n"); |
| 2857 | |
| 2858 | gbproxy_peer_free(peer); |
| 2859 | } |
| 2860 | |
| 2861 | { |
| 2862 | struct gbproxy_tlli_info *tlli_info; |
| 2863 | |
| 2864 | printf("Test IMSI replacement:\n"); |
| 2865 | |
| 2866 | cfg.tlli_max_len = 0; |
| 2867 | cfg.tlli_max_age = 0; |
| 2868 | peer = gbproxy_peer_alloc(&cfg, 20); |
| 2869 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 0); |
| 2870 | |
| 2871 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2872 | tlli_info = gbproxy_register_tlli(peer, tlli1, |
| 2873 | imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | 5e68ecf | 2014-08-07 20:18:47 +0200 | [diff] [blame] | 2874 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2875 | OSMO_ASSERT(tlli_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2876 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 2877 | |
| 2878 | /* try to replace the old entry */ |
| 2879 | printf(" Add TLLI 1, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2880 | tlli_info = gbproxy_register_tlli(peer, tlli1, |
| 2881 | imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | 5e68ecf | 2014-08-07 20:18:47 +0200 | [diff] [blame] | 2882 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2883 | OSMO_ASSERT(tlli_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2884 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 2885 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 2886 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2887 | |
| 2888 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 2889 | tlli_info = gbproxy_find_tlli_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2890 | OSMO_ASSERT(!tlli_info); |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 2891 | tlli_info = gbproxy_find_tlli_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2892 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2893 | OSMO_ASSERT(tlli_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2894 | |
| 2895 | printf("\n"); |
| 2896 | |
| 2897 | gbproxy_peer_free(peer); |
| 2898 | } |
| 2899 | |
| 2900 | { |
| 2901 | struct gbproxy_tlli_info *tlli_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 2902 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2903 | |
| 2904 | printf("Test TLLI expiry, max_len == 1:\n"); |
| 2905 | |
| 2906 | cfg.tlli_max_len = 1; |
| 2907 | cfg.tlli_max_age = 0; |
| 2908 | peer = gbproxy_peer_alloc(&cfg, 20); |
| 2909 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 0); |
| 2910 | |
| 2911 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2912 | gbproxy_register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2913 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 2914 | |
| 2915 | /* replace the old entry */ |
| 2916 | printf(" Add TLLI 2, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2917 | gbproxy_register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 2918 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 2); |
| 2919 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2920 | num_removed = gbproxy_remove_stale_tllis(peer, time(NULL) + 2); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 2921 | OSMO_ASSERT(num_removed == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2922 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 2923 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 2924 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2925 | |
| 2926 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 2927 | tlli_info = gbproxy_find_tlli_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2928 | OSMO_ASSERT(!tlli_info); |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 2929 | tlli_info = gbproxy_find_tlli_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2930 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2931 | OSMO_ASSERT(tlli_info->tlli.current == tlli2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2932 | |
| 2933 | printf("\n"); |
| 2934 | |
| 2935 | gbproxy_peer_free(peer); |
| 2936 | } |
| 2937 | |
| 2938 | { |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2939 | struct gbproxy_tlli_info *tlli_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 2940 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2941 | |
| 2942 | printf("Test TLLI expiry, max_age == 1:\n"); |
| 2943 | |
| 2944 | cfg.tlli_max_len = 0; |
| 2945 | cfg.tlli_max_age = 1; |
| 2946 | peer = gbproxy_peer_alloc(&cfg, 20); |
| 2947 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 0); |
| 2948 | |
| 2949 | printf(" Add TLLI 1, IMSI 1 (should expire after timeout)\n"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2950 | gbproxy_register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2951 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 2952 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 2953 | printf(" Add TLLI 2, IMSI 2 (should not expire after timeout)\n"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2954 | gbproxy_register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 2955 | now + 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2956 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 2); |
| 2957 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2958 | num_removed = gbproxy_remove_stale_tllis(peer, now + 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 2959 | OSMO_ASSERT(num_removed == 1); |
| 2960 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 2961 | |
| 2962 | dump_peers(stdout, 2, now + 2, &cfg); |
| 2963 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2964 | /* verify that 5678 has survived */ |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 2965 | tlli_info = gbproxy_find_tlli_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2966 | OSMO_ASSERT(!tlli_info); |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 2967 | tlli_info = gbproxy_find_tlli_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2968 | OSMO_ASSERT(tlli_info); |
| 2969 | OSMO_ASSERT(tlli_info->tlli.current == tlli2); |
| 2970 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 2971 | printf("\n"); |
| 2972 | |
| 2973 | gbproxy_peer_free(peer); |
| 2974 | } |
| 2975 | |
| 2976 | { |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2977 | struct gbproxy_tlli_info *tlli_info; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 2978 | int num_removed; |
| 2979 | |
| 2980 | printf("Test TLLI expiry, max_len == 2, max_age == 1:\n"); |
| 2981 | |
| 2982 | cfg.tlli_max_len = 0; |
| 2983 | cfg.tlli_max_age = 1; |
| 2984 | peer = gbproxy_peer_alloc(&cfg, 20); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2985 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 0); |
| 2986 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 2987 | printf(" Add TLLI 1, IMSI 1 (should expire)\n"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2988 | gbproxy_register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 2989 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 2990 | |
| 2991 | printf(" Add TLLI 2, IMSI 2 (should expire after timeout)\n"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2992 | gbproxy_register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 2993 | now + 1); |
| 2994 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 2); |
| 2995 | |
| 2996 | printf(" Add TLLI 3, IMSI 3 (should not expire after timeout)\n"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 2997 | gbproxy_register_tlli(peer, tlli3, imsi3, ARRAY_SIZE(imsi3), |
| 2998 | now + 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 2999 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 3); |
| 3000 | |
| 3001 | dump_peers(stdout, 2, now + 2, &cfg); |
| 3002 | |
| 3003 | printf(" Remove stale TLLIs\n"); |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3004 | num_removed = gbproxy_remove_stale_tllis(peer, now + 3); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 3005 | OSMO_ASSERT(num_removed == 2); |
| 3006 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 3007 | |
| 3008 | dump_peers(stdout, 2, now + 2, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3009 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 3010 | /* verify that tlli3 has survived */ |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 3011 | tlli_info = gbproxy_find_tlli_by_imsi(peer, imsi1, ARRAY_SIZE(imsi1)); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 3012 | OSMO_ASSERT(!tlli_info); |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 3013 | tlli_info = gbproxy_find_tlli_by_imsi(peer, imsi2, ARRAY_SIZE(imsi2)); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 3014 | OSMO_ASSERT(!tlli_info); |
Jacob Erlbeck | 2fd1ba4 | 2014-09-11 14:57:03 +0200 | [diff] [blame] | 3015 | tlli_info = gbproxy_find_tlli_by_imsi(peer, imsi3, ARRAY_SIZE(imsi3)); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 3016 | OSMO_ASSERT(tlli_info); |
| 3017 | OSMO_ASSERT(tlli_info->tlli.current == tlli3); |
| 3018 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3019 | printf("\n"); |
| 3020 | |
| 3021 | gbproxy_peer_free(peer); |
| 3022 | } |
| 3023 | } |
| 3024 | |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3025 | static void test_gbproxy_imsi_matching(void) |
| 3026 | { |
| 3027 | struct gbproxy_config cfg = {0}; |
| 3028 | struct gbproxy_peer *peer; |
| 3029 | const char *err_msg = NULL; |
| 3030 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI | 0x10, 0x32, 0x54, 0xf6 }; |
| 3031 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 3032 | const uint8_t imsi3_bad[] = { GSM_MI_TYPE_IMSI | 0x10, 0xee, 0x54, 0xff }; |
| 3033 | const uint8_t tmsi1[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22, 0x33, 0x44 }; |
| 3034 | const uint8_t tmsi2_bad[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22 }; |
| 3035 | const uint8_t imei1[] = { GSM_MI_TYPE_IMEI | 0x10, 0x32, 0x54, 0xf6 }; |
| 3036 | const uint8_t imei2[] = { GSM_MI_TYPE_IMEI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 3037 | const char *filter_re1 = ".*"; |
| 3038 | const char *filter_re2 = "^1234"; |
| 3039 | const char *filter_re3 = "^4321"; |
| 3040 | const char *filter_re4_bad = "^12["; |
| 3041 | |
| 3042 | printf("=== Test IMSI/TMSI matching ===\n\n"); |
| 3043 | |
| 3044 | gbproxy_init_config(&cfg); |
| 3045 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 3046 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3047 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re1, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3048 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 3049 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3050 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3051 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 3052 | |
| 3053 | err_msg = NULL; |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3054 | 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] | 3055 | OSMO_ASSERT(err_msg != NULL); |
| 3056 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 3057 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3058 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3059 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 3060 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3061 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, NULL, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3062 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 3063 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3064 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
Jacob Erlbeck | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 3065 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 3066 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3067 | gbproxy_clear_patch_filter(&cfg); |
Jacob Erlbeck | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 3068 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 3069 | |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3070 | peer = gbproxy_peer_alloc(&cfg, 20); |
| 3071 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3072 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3073 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 3074 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3075 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi1, ARRAY_SIZE(imsi1)) == 1); |
| 3076 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi2, ARRAY_SIZE(imsi2)) == 1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3077 | /* imsi3_bad contains 0xE and 0xF digits, but the conversion function |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3078 | * 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] | 3079 | * case. */ |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3080 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == 0); |
| 3081 | OSMO_ASSERT(gbproxy_check_imsi(peer, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 3082 | OSMO_ASSERT(gbproxy_check_imsi(peer, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 3083 | OSMO_ASSERT(gbproxy_check_imsi(peer, imei1, ARRAY_SIZE(imei1)) == -1); |
| 3084 | OSMO_ASSERT(gbproxy_check_imsi(peer, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3085 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3086 | OSMO_ASSERT(gbproxy_set_patch_filter(&cfg, filter_re3, &err_msg) == 0); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3087 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 3088 | |
Jacob Erlbeck | 9114bee | 2014-08-19 12:21:01 +0200 | [diff] [blame] | 3089 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi1, ARRAY_SIZE(imsi1)) == 0); |
| 3090 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi2, ARRAY_SIZE(imsi2)) == 0); |
| 3091 | OSMO_ASSERT(gbproxy_check_imsi(peer, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == 0); |
| 3092 | OSMO_ASSERT(gbproxy_check_imsi(peer, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 3093 | OSMO_ASSERT(gbproxy_check_imsi(peer, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 3094 | OSMO_ASSERT(gbproxy_check_imsi(peer, imei1, ARRAY_SIZE(imei1)) == -1); |
| 3095 | OSMO_ASSERT(gbproxy_check_imsi(peer, imei2, ARRAY_SIZE(imei2)) == -1); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3096 | |
| 3097 | /* TODO: Check correct length but wrong type with is_mi_tmsi */ |
| 3098 | |
| 3099 | gbproxy_peer_free(peer); |
| 3100 | } |
| 3101 | |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 3102 | static struct log_info_cat gprs_categories[] = { |
| 3103 | [DGPRS] = { |
| 3104 | .name = "DGPRS", |
| 3105 | .description = "GPRS Packet Service", |
| 3106 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 3107 | }, |
| 3108 | [DNS] = { |
| 3109 | .name = "DNS", |
| 3110 | .description = "GPRS Network Service (NS)", |
| 3111 | .enabled = 1, .loglevel = LOGL_INFO, |
| 3112 | }, |
| 3113 | [DBSSGP] = { |
| 3114 | .name = "DBSSGP", |
| 3115 | .description = "GPRS BSS Gateway Protocol (BSSGP)", |
| 3116 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 3117 | }, |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 3118 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 3119 | |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 3120 | static struct log_info info = { |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 3121 | .cat = gprs_categories, |
| 3122 | .num_cat = ARRAY_SIZE(gprs_categories), |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 3123 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 3124 | |
| 3125 | int main(int argc, char **argv) |
| 3126 | { |
| 3127 | osmo_init_logging(&info); |
| 3128 | log_set_use_color(osmo_stderr_target, 0); |
| 3129 | log_set_print_filename(osmo_stderr_target, 0); |
Holger Hans Peter Freyther | eece6277 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 3130 | osmo_signal_register_handler(SS_L_NS, &test_signal, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 3131 | |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 3132 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 3133 | log_set_log_level(osmo_stderr_target, LOGL_DEBUG); |
| 3134 | log_set_all_filter(osmo_stderr_target, 1); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 3135 | |
| 3136 | rate_ctr_init(NULL); |
| 3137 | |
| 3138 | setlinebuf(stdout); |
| 3139 | |
| 3140 | printf("===== GbProxy test START\n"); |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 3141 | gbproxy_init_config(&gbcfg); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 3142 | test_tlv_shift_functions(); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 3143 | test_gbproxy(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 3144 | test_gbproxy_ident_changes(); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 3145 | test_gbproxy_imsi_matching(); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 3146 | test_gbproxy_ra_patching(); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame] | 3147 | test_gbproxy_ptmsi_patching(); |
Jacob Erlbeck | 28fe988 | 2014-08-26 13:33:36 +0200 | [diff] [blame] | 3148 | test_gbproxy_imsi_acquisition(); |
Jacob Erlbeck | f181f9e | 2014-08-27 12:44:25 +0200 | [diff] [blame] | 3149 | test_gbproxy_secondary_sgsn(); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 3150 | test_gbproxy_tlli_expire(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 3151 | printf("===== GbProxy test END\n\n"); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 3152 | |
| 3153 | exit(EXIT_SUCCESS); |
| 3154 | } |