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 | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 43 | struct gbproxy_config gbcfg = {0}; |
| 44 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 45 | static int dump_global(FILE *stream, int indent) |
| 46 | { |
| 47 | unsigned int i; |
| 48 | const struct rate_ctr_group_desc *desc; |
| 49 | int rc; |
| 50 | |
| 51 | rc = fprintf(stream, "%*sGbproxy global:\n", indent, ""); |
| 52 | if (rc < 0) |
| 53 | return rc; |
| 54 | |
| 55 | desc = gbcfg.ctrg->desc; |
| 56 | |
| 57 | for (i = 0; i < desc->num_ctr; i++) { |
| 58 | struct rate_ctr *ctr = &gbcfg.ctrg->ctr[i]; |
| 59 | if (ctr->current) { |
| 60 | rc = fprintf(stream, "%*s %s: %llu\n", |
| 61 | indent, "", |
| 62 | desc->ctr_desc[i].description, |
| 63 | (long long)ctr->current); |
| 64 | |
| 65 | if (rc < 0) |
| 66 | return rc; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | return 0; |
| 71 | } |
| 72 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 73 | static int dump_peers(FILE *stream, int indent, time_t now, |
| 74 | struct gbproxy_config *cfg) |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 75 | { |
Holger Hans Peter Freyther | 1ddd9e5 | 2014-08-04 11:35:32 +0200 | [diff] [blame] | 76 | struct gbproxy_peer *peer; |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 77 | struct gprs_ra_id raid; |
| 78 | unsigned int i; |
| 79 | const struct rate_ctr_group_desc *desc; |
| 80 | int rc; |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 81 | |
| 82 | rc = fprintf(stream, "%*sPeers:\n", indent, ""); |
| 83 | if (rc < 0) |
| 84 | return rc; |
| 85 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 86 | llist_for_each_entry(peer, &cfg->bts_peers, list) { |
Holger Hans Peter Freyther | 1ddd9e5 | 2014-08-04 11:35:32 +0200 | [diff] [blame] | 87 | struct gbproxy_tlli_info *tlli_info; |
| 88 | struct gbproxy_patch_state *state = &peer->patch_state; |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 89 | gsm48_parse_ra(&raid, peer->ra); |
| 90 | |
| 91 | rc = fprintf(stream, "%*s NSEI %u, BVCI %u, %sblocked, " |
| 92 | "RAI %u-%u-%u-%u\n", |
| 93 | indent, "", |
| 94 | peer->nsei, peer->bvci, |
| 95 | peer->blocked ? "" : "not ", |
| 96 | raid.mcc, raid.mnc, raid.lac, raid.rac); |
| 97 | |
| 98 | if (rc < 0) |
| 99 | return rc; |
| 100 | |
| 101 | desc = peer->ctrg->desc; |
| 102 | |
| 103 | for (i = 0; i < desc->num_ctr; i++) { |
| 104 | struct rate_ctr *ctr = &peer->ctrg->ctr[i]; |
| 105 | if (ctr->current) { |
| 106 | rc = fprintf(stream, "%*s %s: %llu\n", |
| 107 | indent, "", |
| 108 | desc->ctr_desc[i].description, |
| 109 | (long long)ctr->current); |
| 110 | |
| 111 | if (rc < 0) |
| 112 | return rc; |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | fprintf(stream, "%*s TLLI-Cache: %d\n", |
| 117 | indent, "", state->enabled_tllis_count); |
| 118 | llist_for_each_entry(tlli_info, &state->enabled_tllis, list) { |
| 119 | char mi_buf[200]; |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 120 | time_t age = now ? now - tlli_info->timestamp : 0; |
Jacob Erlbeck | 89d3d34 | 2014-08-06 18:55:15 +0200 | [diff] [blame] | 121 | if (tlli_info->mi_data_len > 0) { |
| 122 | snprintf(mi_buf, sizeof(mi_buf), "(invalid)"); |
| 123 | gsm48_mi_to_string(mi_buf, sizeof(mi_buf), |
| 124 | tlli_info->mi_data, |
| 125 | tlli_info->mi_data_len); |
| 126 | } else { |
| 127 | snprintf(mi_buf, sizeof(mi_buf), "(none)"); |
| 128 | } |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 129 | fprintf(stream, "%*s TLLI %08x", |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 130 | indent, "", tlli_info->tlli.current); |
| 131 | if (tlli_info->tlli.assigned) |
| 132 | fprintf(stream, "/%08x", tlli_info->tlli.assigned); |
| 133 | if (tlli_info->sgsn_tlli.current) { |
| 134 | fprintf(stream, " -> %08x", |
| 135 | tlli_info->sgsn_tlli.current); |
| 136 | if (tlli_info->sgsn_tlli.assigned) |
| 137 | fprintf(stream, "/%08x", |
| 138 | tlli_info->sgsn_tlli.assigned); |
| 139 | } |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 140 | rc = fprintf(stream, ", IMSI %s, AGE %d\n", |
| 141 | mi_buf, (int)age); |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 142 | if (rc < 0) |
| 143 | return rc; |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | return 0; |
| 148 | } |
| 149 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 150 | /* DTAP - Attach Request */ |
| 151 | static const unsigned char dtap_attach_req[] = { |
| 152 | 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, |
| 153 | 0x05, 0xf4, 0xfb, 0xc5, 0x46, 0x79, 0x11, 0x22, |
| 154 | 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, |
| 155 | 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, |
| 156 | 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, |
| 157 | 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 158 | }; |
| 159 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 160 | /* DTAP - Identity Request */ |
| 161 | static const unsigned char dtap_identity_req[] = { |
| 162 | 0x08, 0x15, 0x01 |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 163 | }; |
| 164 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 165 | /* DTAP - Identity Response */ |
| 166 | static const unsigned char dtap_identity_resp[] = { |
| 167 | 0x08, 0x16, 0x08, 0x11, 0x12, 0x13, 0x14, 0x15, |
| 168 | 0x16, 0x17, 0x18 |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 169 | }; |
| 170 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 171 | /* DTAP - Attach Accept */ |
| 172 | static const unsigned char dtap_attach_acc[] = { |
| 173 | 0x08, 0x02, 0x01, 0x49, 0x04, 0x21, 0x63, 0x54, |
| 174 | 0x40, 0x50, 0x60, 0x19, 0xcd, 0xd7, 0x08, 0x17, |
| 175 | 0x16, 0x18, 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 176 | }; |
| 177 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 178 | /* DTAP - Attach Complete */ |
| 179 | static const unsigned char dtap_attach_complete[] = { |
| 180 | 0x08, 0x03 |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 181 | }; |
| 182 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 183 | /* DTAP - GMM Information */ |
| 184 | static const unsigned char dtap_gmm_information[] = { |
| 185 | 0x08, 0x21 |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 186 | }; |
| 187 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 188 | /* DTAP - Routing Area Update Request */ |
| 189 | static const unsigned char dtap_ra_upd_req[] = { |
| 190 | 0x08, 0x08, 0x10, 0x11, 0x22, 0x33, 0x40, 0x50, |
| 191 | 0x60, 0x1d, 0x19, 0x13, 0x42, 0x33, 0x57, 0x2b, |
| 192 | 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, 0x50, 0xc8, |
| 193 | 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, 0x48, 0x02, |
| 194 | 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, 0x00, 0x19, |
| 195 | 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, 0x07, 0x04, |
| 196 | 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, 0x20, 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 197 | }; |
| 198 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 199 | /* DTAP - Routing Area Update Accept */ |
| 200 | static const unsigned char dtap_ra_upd_acc[] = { |
| 201 | 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 202 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 203 | 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x17, 0x16, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 204 | }; |
| 205 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 206 | /* DTAP - Activate PDP Context Request */ |
| 207 | static const unsigned char dtap_act_pdp_ctx_req[] = { |
| 208 | 0x0a, 0x41, 0x05, 0x03, 0x0c, 0x00, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 209 | 0x00, 0x1f, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 210 | 0x00, 0x00, 0x00, 0x02, 0x01, 0x21, 0x28, 0x03, |
| 211 | 0x02, 0x61, 0x62, 0x27, 0x14, 0x80, 0x80, 0x21, |
| 212 | 0x10, 0x01, 0x00, 0x00, 0x10, 0x81, 0x06, 0x00, |
| 213 | 0x00, 0x00, 0x00, 0x83, 0x06, 0x00, 0x00, 0x00, |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 214 | 0x00 |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 215 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 216 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 217 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 218 | /* normal detach, power_off = 1 */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 219 | static const unsigned char dtap_detach_po_req[] = { |
| 220 | 0x08, 0x05, 0x09, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 221 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 222 | }; |
| 223 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 224 | /* DTAP - Detach Request (MO) */ |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 225 | /* normal detach, power_off = 0 */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 226 | static const unsigned char dtap_detach_req[] = { |
| 227 | 0x08, 0x05, 0x01, 0x18, 0x05, 0xf4, 0xef, 0xe2, |
| 228 | 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 229 | }; |
| 230 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 231 | /* DTAP - Detach Accept */ |
| 232 | static const unsigned char dtap_detach_acc[] = { |
| 233 | 0x08, 0x06, 0x00 |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 234 | }; |
| 235 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame^] | 236 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 237 | static const unsigned char llc_u_xid_ul[] = { |
| 238 | 0x41, 0xfb, 0x01, 0x00, 0x0e, 0x00, 0x64, 0x11, |
| 239 | 0x05, 0x16, 0x01, 0x90, 0x66, 0xb3, 0x28 |
| 240 | }; |
| 241 | |
| 242 | /* GPRS-LLC - SAPI: LLGMM, U, XID */ |
| 243 | static const unsigned char llc_u_xid_dl[] = { |
| 244 | 0x41, 0xfb, 0x30, 0x84, 0x10, 0x61, 0xb6, 0x64, |
| 245 | 0xe4, 0xa9, 0x1a, 0x9e |
| 246 | }; |
| 247 | |
| 248 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 249 | static const unsigned char llc_ui_ll11_dns_query_ul[] = { |
| 250 | 0x0b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 251 | 0x00, 0x00, 0x38, 0x95, 0x72, 0x00, 0x00, 0x45, |
| 252 | 0x11, 0x20, 0x85, 0x0a, 0xc0, 0x07, 0xe4, 0xac, |
| 253 | 0x10, 0x01, 0x0a, 0xad, 0xab, 0x00, 0x35, 0x00, |
| 254 | 0x24, 0x0e, 0x1c, 0x3b, 0xe0, 0x01, 0x00, 0x00, |
| 255 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 256 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 257 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0x47, |
| 258 | 0x8f, 0x07 |
| 259 | }; |
| 260 | |
| 261 | /* GPRS-LLC - SAPI: LL11, UI, NSAPI 5, DNS query */ |
| 262 | static const unsigned char llc_ui_ll11_dns_resp_dl[] = { |
| 263 | 0x4b, 0xc0, 0x01, 0x65, 0x00, 0x00, 0x00, 0x45, |
| 264 | 0x00, 0x00, 0xc6, 0x00, 0x00, 0x40, 0x00, 0x3e, |
| 265 | 0x11, 0x7c, 0x69, 0xac, 0x10, 0x01, 0x0a, 0x0a, |
| 266 | 0xc0, 0x07, 0xe4, 0x00, 0x35, 0xad, 0xab, 0x00, |
| 267 | 0xb2, 0x74, 0x4e, 0x3b, 0xe0, 0x81, 0x80, 0x00, |
| 268 | 0x01, 0x00, 0x01, 0x00, 0x05, 0x00, 0x00, 0x01, |
| 269 | 0x6d, 0x05, 0x68, 0x65, 0x69, 0x73, 0x65, 0x02, |
| 270 | 0x64, 0x65, 0x00, 0x00, 0x01, 0x00, 0x01, 0xc0, |
| 271 | 0x0c, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 272 | 0x10, 0x00, 0x04, 0xc1, 0x63, 0x90, 0x58, 0xc0, |
| 273 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 274 | 0x10, 0x00, 0x16, 0x03, 0x6e, 0x73, 0x32, 0x0c, |
| 275 | 0x70, 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, |
| 276 | 0x6f, 0x76, 0x65, 0x72, 0x03, 0x6e, 0x65, 0x74, |
| 277 | 0x00, 0xc0, 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, |
| 278 | 0x00, 0x0e, 0x10, 0x00, 0x10, 0x02, 0x6e, 0x73, |
| 279 | 0x01, 0x73, 0x08, 0x70, 0x6c, 0x75, 0x73, 0x6c, |
| 280 | 0x69, 0x6e, 0x65, 0xc0, 0x14, 0xc0, 0x0e, 0x00, |
| 281 | 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, 0x00, |
| 282 | 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x0e, 0xc0, 0x0e, |
| 283 | 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, 0x10, |
| 284 | 0x00, 0x05, 0x02, 0x6e, 0x73, 0xc0, 0x5f, 0xc0, |
| 285 | 0x0e, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x0e, |
| 286 | 0x10, 0x00, 0x12, 0x02, 0x6e, 0x73, 0x0c, 0x70, |
| 287 | 0x6f, 0x70, 0x2d, 0x68, 0x61, 0x6e, 0x6e, 0x6f, |
| 288 | 0x76, 0x65, 0x72, 0xc0, 0x14, 0xaa, 0xdf, 0x31 |
| 289 | }; |
| 290 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 291 | static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, |
| 292 | struct sockaddr_in *peer, const unsigned char* data, |
| 293 | size_t data_len); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 294 | |
| 295 | static void send_ns_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 296 | enum ns_cause cause, uint16_t nsvci, uint16_t nsei) |
| 297 | { |
| 298 | /* GPRS Network Service, PDU type: NS_RESET, |
| 299 | */ |
| 300 | unsigned char msg[12] = { |
| 301 | 0x02, 0x00, 0x81, 0x01, 0x01, 0x82, 0x11, 0x22, |
| 302 | 0x04, 0x82, 0x11, 0x22 |
| 303 | }; |
| 304 | |
| 305 | msg[3] = cause; |
| 306 | msg[6] = nsvci / 256; |
| 307 | msg[7] = nsvci % 256; |
| 308 | msg[10] = nsei / 256; |
| 309 | msg[11] = nsei % 256; |
| 310 | |
| 311 | gprs_process_message(nsi, "RESET", src_addr, msg, sizeof(msg)); |
| 312 | } |
| 313 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 314 | static void send_ns_reset_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 315 | uint16_t nsvci, uint16_t nsei) |
| 316 | { |
| 317 | /* GPRS Network Service, PDU type: NS_RESET_ACK, |
| 318 | */ |
| 319 | unsigned char msg[9] = { |
| 320 | 0x03, 0x01, 0x82, 0x11, 0x22, |
| 321 | 0x04, 0x82, 0x11, 0x22 |
| 322 | }; |
| 323 | |
| 324 | msg[3] = nsvci / 256; |
| 325 | msg[4] = nsvci % 256; |
| 326 | msg[7] = nsei / 256; |
| 327 | msg[8] = nsei % 256; |
| 328 | |
| 329 | gprs_process_message(nsi, "RESET_ACK", src_addr, msg, sizeof(msg)); |
| 330 | } |
| 331 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 332 | static void send_ns_alive(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 333 | { |
| 334 | /* GPRS Network Service, PDU type: NS_ALIVE */ |
| 335 | unsigned char msg[1] = { |
| 336 | 0x0a |
| 337 | }; |
| 338 | |
| 339 | gprs_process_message(nsi, "ALIVE", src_addr, msg, sizeof(msg)); |
| 340 | } |
| 341 | |
| 342 | static void send_ns_alive_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 343 | { |
| 344 | /* GPRS Network Service, PDU type: NS_ALIVE_ACK */ |
| 345 | unsigned char msg[1] = { |
| 346 | 0x0b |
| 347 | }; |
| 348 | |
| 349 | gprs_process_message(nsi, "ALIVE_ACK", src_addr, msg, sizeof(msg)); |
| 350 | } |
| 351 | |
| 352 | static void send_ns_unblock(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 353 | { |
| 354 | /* GPRS Network Service, PDU type: NS_UNBLOCK */ |
| 355 | unsigned char msg[1] = { |
| 356 | 0x06 |
| 357 | }; |
| 358 | |
| 359 | gprs_process_message(nsi, "UNBLOCK", src_addr, msg, sizeof(msg)); |
| 360 | } |
| 361 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 362 | static void send_ns_unblock_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 363 | { |
| 364 | /* GPRS Network Service, PDU type: NS_UNBLOCK_ACK */ |
| 365 | unsigned char msg[1] = { |
| 366 | 0x07 |
| 367 | }; |
| 368 | |
| 369 | gprs_process_message(nsi, "UNBLOCK_ACK", src_addr, msg, sizeof(msg)); |
| 370 | } |
| 371 | |
| 372 | static void send_ns_unitdata(struct gprs_ns_inst *nsi, const char *text, |
| 373 | struct sockaddr_in *src_addr, uint16_t nsbvci, |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 374 | const unsigned char *bssgp_msg, size_t bssgp_msg_size) |
| 375 | { |
| 376 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 377 | unsigned char msg[4096] = { |
| 378 | 0x00, 0x00, 0x00, 0x00 |
| 379 | }; |
| 380 | |
| 381 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg) - 4); |
| 382 | |
| 383 | msg[2] = nsbvci / 256; |
| 384 | msg[3] = nsbvci % 256; |
| 385 | memcpy(msg + 4, bssgp_msg, bssgp_msg_size); |
| 386 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 387 | 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] | 388 | } |
| 389 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 390 | static void send_bssgp_ul_unitdata( |
| 391 | struct gprs_ns_inst *nsi, const char *text, |
| 392 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 393 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 394 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 395 | { |
| 396 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 397 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 398 | unsigned char msg[4096] = { |
| 399 | 0x01, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, |
| 400 | 0x08, 0x88, /* RAI */ 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 401 | /* CELL ID */ 0x00, 0x00, 0x00, 0x80, 0x0e, /* LLC LEN */ 0x00, 0x00, |
| 402 | }; |
| 403 | |
| 404 | size_t bssgp_msg_size = 23 + llc_msg_size; |
| 405 | |
| 406 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg)); |
| 407 | |
| 408 | gsm48_construct_ra(msg + 10, raid); |
| 409 | msg[1] = (uint8_t)(tlli >> 24); |
| 410 | msg[2] = (uint8_t)(tlli >> 16); |
| 411 | msg[3] = (uint8_t)(tlli >> 8); |
| 412 | msg[4] = (uint8_t)(tlli >> 0); |
| 413 | msg[16] = cell_id / 256; |
| 414 | msg[17] = cell_id % 256; |
| 415 | msg[21] = llc_msg_size / 256; |
| 416 | msg[22] = llc_msg_size % 256; |
| 417 | memcpy(msg + 23, llc_msg, llc_msg_size); |
| 418 | |
| 419 | send_ns_unitdata(nsi, text ? text : "BSSGP UL UNITDATA", |
| 420 | src_addr, nsbvci, msg, bssgp_msg_size); |
| 421 | } |
| 422 | |
| 423 | static void send_bssgp_dl_unitdata( |
| 424 | struct gprs_ns_inst *nsi, const char *text, |
| 425 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 426 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 427 | const uint8_t *llc_msg, size_t llc_msg_size) |
| 428 | { |
| 429 | /* Base Station Subsystem GPRS Protocol: DL_UNITDATA */ |
| 430 | unsigned char msg[4096] = { |
| 431 | 0x00, /* TLLI */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x20, |
| 432 | 0x16, 0x82, 0x02, 0x58, |
| 433 | }; |
| 434 | unsigned char racap_drx[] = { |
| 435 | 0x13, 0x99, 0x18, 0xb3, 0x43, 0x2b, 0x25, 0x96, |
| 436 | 0x62, 0x00, 0x60, 0x80, 0x9a, 0xc2, 0xc6, 0x62, |
| 437 | 0x00, 0x60, 0x80, 0xba, 0xc8, 0xc6, 0x62, 0x00, |
| 438 | 0x60, 0x80, 0x00, 0x0a, 0x82, 0x08, 0x02 |
| 439 | }; |
| 440 | |
| 441 | size_t bssgp_msg_size = 0; |
| 442 | |
| 443 | OSMO_ASSERT(51 + imsi_size + llc_msg_size <= sizeof(msg)); |
| 444 | |
| 445 | msg[1] = (uint8_t)(tlli >> 24); |
| 446 | msg[2] = (uint8_t)(tlli >> 16); |
| 447 | msg[3] = (uint8_t)(tlli >> 8); |
| 448 | msg[4] = (uint8_t)(tlli >> 0); |
| 449 | |
| 450 | bssgp_msg_size = 12; |
| 451 | |
| 452 | if (with_racap_drx) { |
| 453 | memcpy(msg + bssgp_msg_size, racap_drx, sizeof(racap_drx)); |
| 454 | bssgp_msg_size += sizeof(racap_drx); |
| 455 | } |
| 456 | |
| 457 | if (imsi) { |
| 458 | OSMO_ASSERT(imsi_size <= 127); |
| 459 | msg[bssgp_msg_size] = BSSGP_IE_IMSI; |
| 460 | msg[bssgp_msg_size + 1] = 0x80 | imsi_size; |
| 461 | memcpy(msg + bssgp_msg_size + 2, imsi, imsi_size); |
| 462 | bssgp_msg_size += 2 + imsi_size; |
| 463 | } |
| 464 | |
| 465 | if ((bssgp_msg_size % 4) != 0) { |
| 466 | size_t abytes = (4 - (bssgp_msg_size + 2) % 4) % 4; |
| 467 | msg[bssgp_msg_size] = BSSGP_IE_ALIGNMENT; |
| 468 | msg[bssgp_msg_size + 1] = 0x80 | abytes; |
| 469 | memset(msg + bssgp_msg_size + 2, 0, abytes); |
| 470 | bssgp_msg_size += 2 + abytes; |
| 471 | } |
| 472 | |
| 473 | msg[bssgp_msg_size] = BSSGP_IE_LLC_PDU; |
| 474 | if (llc_msg_size < 128) { |
| 475 | msg[bssgp_msg_size + 1] = 0x80 | llc_msg_size; |
| 476 | bssgp_msg_size += 2; |
| 477 | } else { |
| 478 | msg[bssgp_msg_size + 1] = llc_msg_size / 256; |
| 479 | msg[bssgp_msg_size + 2] = llc_msg_size % 256; |
| 480 | bssgp_msg_size += 3; |
| 481 | } |
| 482 | memcpy(msg + bssgp_msg_size, llc_msg, llc_msg_size); |
| 483 | bssgp_msg_size += llc_msg_size; |
| 484 | |
| 485 | |
| 486 | send_ns_unitdata(nsi, text ? text : "BSSGP DL UNITDATA", |
| 487 | src_addr, nsbvci, msg, bssgp_msg_size); |
| 488 | } |
| 489 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 490 | static void send_bssgp_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 491 | uint16_t bvci) |
| 492 | { |
| 493 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 494 | * BSSGP RESET */ |
Jacob Erlbeck | da4b492 | 2014-08-06 12:38:10 +0200 | [diff] [blame] | 495 | unsigned char msg[18] = { |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 496 | 0x22, 0x04, 0x82, 0x4a, |
Jacob Erlbeck | def0391 | 2014-06-02 10:48:59 +0200 | [diff] [blame] | 497 | 0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x11, 0x22, |
| 498 | 0x33, 0x40, 0x50, 0x60, 0x10, 0x00 |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 499 | }; |
| 500 | |
| 501 | msg[3] = bvci / 256; |
| 502 | msg[4] = bvci % 256; |
| 503 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 504 | send_ns_unitdata(nsi, "BVC_RESET", src_addr, 0, msg, sizeof(msg)); |
| 505 | } |
| 506 | |
| 507 | static void send_bssgp_reset_ack(struct gprs_ns_inst *nsi, |
| 508 | struct sockaddr_in *src_addr, uint16_t bvci) |
| 509 | { |
| 510 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 511 | * BSSGP RESET_ACK */ |
| 512 | static unsigned char msg[5] = { |
| 513 | 0x23, 0x04, 0x82, 0x00, |
| 514 | 0x00 |
| 515 | }; |
| 516 | |
| 517 | msg[3] = bvci / 256; |
| 518 | msg[4] = bvci % 256; |
| 519 | |
| 520 | 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] | 521 | } |
| 522 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 523 | static void send_bssgp_suspend(struct gprs_ns_inst *nsi, |
| 524 | struct sockaddr_in *src_addr, |
| 525 | struct gprs_ra_id *raid) |
| 526 | { |
| 527 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 528 | unsigned char msg[15] = { |
| 529 | 0x0b, 0x1f, 0x84, 0xcc, 0xd1, 0x75, 0x8b, 0x1b, |
| 530 | 0x86, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60 |
| 531 | }; |
| 532 | |
| 533 | gsm48_construct_ra(msg + 9, raid); |
| 534 | |
| 535 | send_ns_unitdata(nsi, "BVC_SUSPEND", src_addr, 0, msg, sizeof(msg)); |
| 536 | } |
| 537 | |
| 538 | static void send_bssgp_suspend_ack(struct gprs_ns_inst *nsi, |
| 539 | struct sockaddr_in *src_addr, |
| 540 | struct gprs_ra_id *raid) |
| 541 | { |
| 542 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND ACK */ |
| 543 | unsigned char msg[18] = { |
| 544 | 0x0c, 0x1f, 0x84, 0xcc, 0xd1, 0x75, 0x8b, 0x1b, |
| 545 | 0x86, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, 0x1d, |
| 546 | 0x81, 0x01 |
| 547 | }; |
| 548 | |
| 549 | gsm48_construct_ra(msg + 9, raid); |
| 550 | |
| 551 | send_ns_unitdata(nsi, "BVC_SUSPEND_ACK", src_addr, 0, msg, sizeof(msg)); |
| 552 | } |
| 553 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 554 | static void send_llc_ul_ui( |
| 555 | struct gprs_ns_inst *nsi, const char *text, |
| 556 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 557 | struct gprs_ra_id *raid, uint16_t cell_id, |
| 558 | unsigned sapi, unsigned nu, |
| 559 | const uint8_t *msg, size_t msg_size) |
| 560 | { |
| 561 | unsigned char llc_msg[4096] = { |
| 562 | 0x00, 0xc0, 0x01 |
| 563 | }; |
| 564 | |
| 565 | size_t llc_msg_size = 3 + msg_size + 3; |
| 566 | uint8_t e_bit = 0; |
| 567 | uint8_t pm_bit = 1; |
| 568 | unsigned fcs; |
| 569 | |
| 570 | nu &= 0x01ff; |
| 571 | |
| 572 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 573 | |
| 574 | llc_msg[0] = (sapi & 0x0f); |
| 575 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 576 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 577 | |
| 578 | memcpy(llc_msg + 3, msg, msg_size); |
| 579 | |
| 580 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 581 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 582 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 583 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 584 | |
| 585 | send_bssgp_ul_unitdata(nsi, text ? text : "LLC UI", |
| 586 | src_addr, nsbvci, tlli, raid, cell_id, |
| 587 | llc_msg, llc_msg_size); |
| 588 | } |
| 589 | |
| 590 | static void send_llc_dl_ui( |
| 591 | struct gprs_ns_inst *nsi, const char *text, |
| 592 | struct sockaddr_in *src_addr, uint16_t nsbvci, uint32_t tlli, |
| 593 | int with_racap_drx, const uint8_t *imsi, size_t imsi_size, |
| 594 | unsigned sapi, unsigned nu, |
| 595 | const uint8_t *msg, size_t msg_size) |
| 596 | { |
| 597 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 598 | /* Base Station Subsystem GPRS Protocol: UL_UNITDATA */ |
| 599 | unsigned char llc_msg[4096] = { |
| 600 | 0x00, 0x00, 0x01 |
| 601 | }; |
| 602 | |
| 603 | size_t llc_msg_size = 3 + msg_size + 3; |
| 604 | uint8_t e_bit = 0; |
| 605 | uint8_t pm_bit = 1; |
| 606 | unsigned fcs; |
| 607 | |
| 608 | nu &= 0x01ff; |
| 609 | |
| 610 | OSMO_ASSERT(llc_msg_size <= sizeof(llc_msg)); |
| 611 | |
| 612 | llc_msg[0] = 0x40 | (sapi & 0x0f); |
| 613 | llc_msg[1] = 0xc0 | (nu >> 6); /* UI frame */ |
| 614 | llc_msg[2] = (nu << 2) | ((e_bit & 1) << 1) | (pm_bit & 1); |
| 615 | |
| 616 | memcpy(llc_msg + 3, msg, msg_size); |
| 617 | |
| 618 | fcs = gprs_llc_fcs(llc_msg, msg_size + 3); |
| 619 | llc_msg[3 + msg_size + 0] = (uint8_t)(fcs >> 0); |
| 620 | llc_msg[3 + msg_size + 1] = (uint8_t)(fcs >> 8); |
| 621 | llc_msg[3 + msg_size + 2] = (uint8_t)(fcs >> 16); |
| 622 | |
| 623 | send_bssgp_dl_unitdata(nsi, text ? text : "LLC UI", |
| 624 | src_addr, nsbvci, tlli, |
| 625 | with_racap_drx, imsi, imsi_size, |
| 626 | llc_msg, llc_msg_size); |
| 627 | } |
| 628 | |
| 629 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 630 | static void setup_ns(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 631 | uint16_t nsvci, uint16_t nsei) |
| 632 | { |
| 633 | printf("Setup NS-VC: remote 0x%08x:%d, " |
| 634 | "NSVCI 0x%04x(%d), NSEI 0x%04x(%d)\n\n", |
| 635 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 636 | nsvci, nsvci, nsei, nsei); |
| 637 | |
| 638 | send_ns_reset(nsi, src_addr, NS_CAUSE_OM_INTERVENTION, nsvci, nsei); |
| 639 | send_ns_alive(nsi, src_addr); |
| 640 | send_ns_unblock(nsi, src_addr); |
| 641 | send_ns_alive_ack(nsi, src_addr); |
| 642 | } |
| 643 | |
| 644 | static void setup_bssgp(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 645 | uint16_t bvci) |
| 646 | { |
| 647 | printf("Setup BSSGP: remote 0x%08x:%d, " |
| 648 | "BVCI 0x%04x(%d)\n\n", |
| 649 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 650 | bvci, bvci); |
| 651 | |
| 652 | send_bssgp_reset(nsi, src_addr, bvci); |
| 653 | } |
| 654 | |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 655 | static void connect_sgsn(struct gprs_ns_inst *nsi, struct sockaddr_in *sgsn_peer) |
| 656 | { |
| 657 | gprs_ns_nsip_connect(nsi, sgsn_peer, SGSN_NSEI, SGSN_NSEI+1); |
| 658 | send_ns_reset_ack(nsi, sgsn_peer, SGSN_NSEI+1, SGSN_NSEI); |
| 659 | send_ns_alive_ack(nsi, sgsn_peer); |
| 660 | send_ns_unblock_ack(nsi, sgsn_peer); |
| 661 | send_ns_alive(nsi, sgsn_peer); |
| 662 | } |
| 663 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 664 | static void configure_sgsn_peer(struct sockaddr_in *sgsn_peer) |
| 665 | { |
| 666 | sgsn_peer->sin_family = AF_INET; |
| 667 | sgsn_peer->sin_port = htons(32000); |
| 668 | sgsn_peer->sin_addr.s_addr = htonl(REMOTE_SGSN_ADDR); |
| 669 | } |
| 670 | |
| 671 | static void configure_bss_peers(struct sockaddr_in *bss_peers, size_t size) |
| 672 | { |
| 673 | size_t i; |
| 674 | |
| 675 | for (i = 0; i < size; ++i) { |
| 676 | bss_peers[i].sin_family = AF_INET; |
| 677 | bss_peers[i].sin_port = htons((i + 1) * 1111); |
| 678 | bss_peers[i].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR); |
| 679 | } |
| 680 | } |
| 681 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 682 | int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg, |
| 683 | struct sockaddr_in *saddr, enum gprs_ns_ll ll); |
| 684 | |
| 685 | /* override */ |
| 686 | int gprs_ns_callback(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, |
| 687 | struct msgb *msg, uint16_t bvci) |
| 688 | { |
| 689 | printf("CALLBACK, event %d, msg length %d, bvci 0x%04x\n%s\n\n", |
| 690 | event, msgb_bssgp_len(msg), bvci, |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 691 | osmo_hexdump(msgb_l2(msg), msgb_l2len(msg))); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 692 | |
| 693 | switch (event) { |
| 694 | case GPRS_NS_EVT_UNIT_DATA: |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 695 | return gbprox_rcvmsg(&gbcfg, msg, nsvc->nsei, bvci, nsvc->nsvci); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 696 | default: |
| 697 | break; |
| 698 | } |
| 699 | return 0; |
| 700 | } |
| 701 | |
| 702 | /* override */ |
| 703 | ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, |
| 704 | const struct sockaddr *dest_addr, socklen_t addrlen) |
| 705 | { |
| 706 | typedef ssize_t (*sendto_t)(int, const void *, size_t, int, |
| 707 | const struct sockaddr *, socklen_t); |
| 708 | static sendto_t real_sendto = NULL; |
| 709 | 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] | 710 | int dest_port = htons(((struct sockaddr_in *)dest_addr)->sin_port); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 711 | |
| 712 | if (!real_sendto) |
| 713 | real_sendto = dlsym(RTLD_NEXT, "sendto"); |
| 714 | |
| 715 | if (dest_host == REMOTE_BSS_ADDR) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 716 | printf("MESSAGE to BSS at 0x%08x:%d, msg length %d\n%s\n\n", |
| 717 | dest_host, dest_port, |
| 718 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 719 | else if (dest_host == REMOTE_SGSN_ADDR) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 720 | printf("MESSAGE to SGSN at 0x%08x:%d, msg length %d\n%s\n\n", |
| 721 | dest_host, dest_port, |
| 722 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 723 | else |
| 724 | return real_sendto(sockfd, buf, len, flags, dest_addr, addrlen); |
| 725 | |
| 726 | return len; |
| 727 | } |
| 728 | |
| 729 | /* override */ |
| 730 | int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg) |
| 731 | { |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 732 | typedef int (*gprs_ns_sendmsg_t)(struct gprs_ns_inst *nsi, struct msgb *msg); |
| 733 | static gprs_ns_sendmsg_t real_gprs_ns_sendmsg = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 734 | uint16_t bvci = msgb_bvci(msg); |
| 735 | uint16_t nsei = msgb_nsei(msg); |
| 736 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 737 | size_t len = msgb_length(msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 738 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 739 | if (!real_gprs_ns_sendmsg) |
| 740 | real_gprs_ns_sendmsg = dlsym(RTLD_NEXT, "gprs_ns_sendmsg"); |
| 741 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 742 | if (nsei == SGSN_NSEI) |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 743 | printf("NS UNITDATA MESSAGE to SGSN, BVCI 0x%04x, " |
| 744 | "msg length %d (%s)\n", |
| 745 | bvci, len, __func__); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 746 | else |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 747 | printf("NS UNITDATA MESSAGE to BSS, BVCI 0x%04x, " |
| 748 | "msg length %d (%s)\n", |
| 749 | bvci, len, __func__); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 750 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 751 | return real_gprs_ns_sendmsg(nsi, msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 752 | } |
| 753 | |
| 754 | static void dump_rate_ctr_group(FILE *stream, const char *prefix, |
| 755 | struct rate_ctr_group *ctrg) |
| 756 | { |
| 757 | unsigned int i; |
| 758 | |
| 759 | for (i = 0; i < ctrg->desc->num_ctr; i++) { |
| 760 | struct rate_ctr *ctr = &ctrg->ctr[i]; |
| 761 | if (ctr->current && !strchr(ctrg->desc->ctr_desc[i].name, '.')) |
| 762 | fprintf(stream, " %s%s: %llu%s", |
| 763 | prefix, ctrg->desc->ctr_desc[i].description, |
| 764 | (long long)ctr->current, |
| 765 | "\n"); |
| 766 | }; |
| 767 | } |
| 768 | |
| 769 | /* Signal handler for signals from NS layer */ |
| 770 | static int test_signal(unsigned int subsys, unsigned int signal, |
| 771 | void *handler_data, void *signal_data) |
| 772 | { |
| 773 | struct ns_signal_data *nssd = signal_data; |
| 774 | int rc; |
| 775 | |
| 776 | if (subsys != SS_L_NS) |
| 777 | return 0; |
| 778 | |
| 779 | switch (signal) { |
| 780 | case S_NS_RESET: |
| 781 | printf("==> got signal NS_RESET, NS-VC 0x%04x/%s\n", |
| 782 | nssd->nsvc->nsvci, |
| 783 | gprs_ns_ll_str(nssd->nsvc)); |
| 784 | break; |
| 785 | |
| 786 | case S_NS_ALIVE_EXP: |
| 787 | printf("==> got signal NS_ALIVE_EXP, NS-VC 0x%04x/%s\n", |
| 788 | nssd->nsvc->nsvci, |
| 789 | gprs_ns_ll_str(nssd->nsvc)); |
| 790 | break; |
| 791 | |
| 792 | case S_NS_BLOCK: |
| 793 | printf("==> got signal NS_BLOCK, NS-VC 0x%04x/%s\n", |
| 794 | nssd->nsvc->nsvci, |
| 795 | gprs_ns_ll_str(nssd->nsvc)); |
| 796 | break; |
| 797 | |
| 798 | case S_NS_UNBLOCK: |
| 799 | printf("==> got signal NS_UNBLOCK, NS-VC 0x%04x/%s\n", |
| 800 | nssd->nsvc->nsvci, |
| 801 | gprs_ns_ll_str(nssd->nsvc)); |
| 802 | break; |
| 803 | |
| 804 | case S_NS_REPLACED: |
| 805 | printf("==> got signal NS_REPLACED: 0x%04x/%s", |
| 806 | nssd->nsvc->nsvci, |
| 807 | gprs_ns_ll_str(nssd->nsvc)); |
| 808 | printf(" -> 0x%04x/%s\n", |
| 809 | nssd->old_nsvc->nsvci, |
| 810 | gprs_ns_ll_str(nssd->old_nsvc)); |
| 811 | break; |
| 812 | |
| 813 | default: |
| 814 | printf("==> got signal %d, NS-VC 0x%04x/%s\n", signal, |
| 815 | nssd->nsvc->nsvci, |
| 816 | gprs_ns_ll_str(nssd->nsvc)); |
| 817 | break; |
| 818 | } |
| 819 | printf("\n"); |
| 820 | rc = gbprox_signal(subsys, signal, handler_data, signal_data); |
| 821 | return rc; |
| 822 | } |
| 823 | |
| 824 | 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) |
| 825 | { |
| 826 | struct msgb *msg; |
| 827 | int ret; |
| 828 | if (data_len > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) { |
| 829 | fprintf(stderr, "message too long: %d\n", data_len); |
| 830 | return -1; |
| 831 | } |
| 832 | |
| 833 | msg = gprs_ns_msgb_alloc(); |
| 834 | memmove(msg->data, data, data_len); |
| 835 | msg->l2h = msg->data; |
| 836 | msgb_put(msg, data_len); |
| 837 | |
| 838 | printf("PROCESSING %s from 0x%08x:%d\n%s\n\n", |
| 839 | text, ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 840 | osmo_hexdump(data, data_len)); |
| 841 | |
| 842 | ret = gprs_ns_rcvmsg(nsi, msg, peer, GPRS_NS_LL_UDP); |
| 843 | |
| 844 | printf("result (%s) = %d\n\n", text, ret); |
| 845 | |
| 846 | msgb_free(msg); |
| 847 | |
| 848 | return ret; |
| 849 | } |
| 850 | |
| 851 | static void gprs_dump_nsi(struct gprs_ns_inst *nsi) |
| 852 | { |
| 853 | struct gprs_nsvc *nsvc; |
| 854 | |
| 855 | printf("Current NS-VCIs:\n"); |
| 856 | llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) { |
| 857 | struct sockaddr_in *peer = &(nsvc->ip.bts_addr); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 858 | 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] | 859 | nsvc->nsvci, nsvc->nsei, |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 860 | ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 861 | nsvc->state & NSE_S_BLOCKED ? ", blocked" : "", |
| 862 | nsvc->state & NSE_S_ALIVE ? "" : ", dead" |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 863 | ); |
| 864 | dump_rate_ctr_group(stdout, " ", nsvc->ctrg); |
| 865 | } |
| 866 | printf("\n"); |
| 867 | } |
| 868 | |
| 869 | static void test_gbproxy() |
| 870 | { |
| 871 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 872 | struct sockaddr_in bss_peer[4] = {{0},}; |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 873 | struct sockaddr_in sgsn_peer= {0}; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 874 | |
| 875 | bssgp_nsi = nsi; |
| 876 | gbcfg.nsi = bssgp_nsi; |
| 877 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 878 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 879 | configure_sgsn_peer(&sgsn_peer); |
| 880 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 881 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 882 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 883 | printf("--- Initialise SGSN ---\n\n"); |
| 884 | |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 885 | connect_sgsn(nsi, &sgsn_peer); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 886 | gprs_dump_nsi(nsi); |
| 887 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 888 | printf("--- Initialise BSS 1 ---\n\n"); |
| 889 | |
| 890 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 891 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 892 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 893 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 894 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 895 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 896 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 897 | printf("--- Initialise BSS 2 ---\n\n"); |
| 898 | |
| 899 | setup_ns(nsi, &bss_peer[1], 0x2001, 0x2000); |
| 900 | setup_bssgp(nsi, &bss_peer[1], 0x2002); |
| 901 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 902 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 903 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 904 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x2002); |
| 905 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 906 | printf("--- Move BSS 1 to new port ---\n\n"); |
| 907 | |
| 908 | setup_ns(nsi, &bss_peer[2], 0x1001, 0x1000); |
| 909 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 910 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 911 | |
| 912 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 913 | |
| 914 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 915 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 916 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 917 | |
| 918 | printf("--- Move BSS 1 to current BSS 2 port ---\n\n"); |
| 919 | |
| 920 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 921 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 922 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 923 | |
| 924 | printf("--- Move BSS 2 to new port ---\n\n"); |
| 925 | |
| 926 | setup_ns(nsi, &bss_peer[3], 0x2001, 0x2000); |
| 927 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 928 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 929 | |
| 930 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 931 | |
| 932 | setup_ns(nsi, &bss_peer[2], 0x2001, 0x2000); |
| 933 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 934 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 935 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 936 | printf("--- Move BSS 1 to original BSS 1 port ---\n\n"); |
| 937 | |
| 938 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 939 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 940 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 941 | |
| 942 | printf("--- Reset BSS 1 with a new BVCI ---\n\n"); |
| 943 | |
| 944 | setup_bssgp(nsi, &bss_peer[0], 0x1012); |
| 945 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 946 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 947 | |
| 948 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1012); |
| 949 | |
| 950 | printf("--- Reset BSS 1 with the old BVCI ---\n\n"); |
| 951 | |
| 952 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 953 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 954 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 955 | |
| 956 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 957 | |
| 958 | printf("--- Reset BSS 1 with the old BVCI again ---\n\n"); |
| 959 | |
| 960 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 961 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 962 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 963 | |
| 964 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 965 | |
| 966 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1012 ---\n\n"); |
| 967 | |
| 968 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 969 | |
| 970 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1012 ---\n\n"); |
| 971 | |
| 972 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 973 | |
| 974 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 975 | |
| 976 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 977 | |
| 978 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 979 | |
| 980 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 981 | |
| 982 | printf("--- Send message from BSS 2 to SGSN, BVCI 0x2002 ---\n\n"); |
| 983 | |
| 984 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x2002, (uint8_t *)"", 0); |
| 985 | |
| 986 | printf("--- Send message from SGSN to BSS 2, BVCI 0x2002 ---\n\n"); |
| 987 | |
| 988 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x2002, (uint8_t *)"", 0); |
| 989 | |
| 990 | printf("--- Reset BSS 1 with the old BVCI on BSS2's link ---\n\n"); |
| 991 | |
| 992 | setup_bssgp(nsi, &bss_peer[2], 0x1002); |
| 993 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 994 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 995 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 996 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 997 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 998 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 999 | |
| 1000 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1001 | |
| 1002 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 1003 | |
| 1004 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 1005 | |
| 1006 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 1007 | |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1008 | printf("--- Send message from SGSN to BSS 1, BVCI 0x10ff (invalid) ---\n\n"); |
| 1009 | |
| 1010 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x10ff, (uint8_t *)"", 0); |
| 1011 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1012 | dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 1013 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1014 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1015 | gprs_ns_destroy(nsi); |
| 1016 | nsi = NULL; |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1017 | } |
| 1018 | |
| 1019 | static void test_gbproxy_ident_changes() |
| 1020 | { |
| 1021 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1022 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1023 | struct sockaddr_in sgsn_peer= {0}; |
| 1024 | uint16_t nsei[2] = {0x1000, 0x2000}; |
| 1025 | uint16_t nsvci[2] = {0x1001, 0x2001}; |
| 1026 | uint16_t bvci[4] = {0x1002, 0x2002, 0x3002, 0x4002}; |
| 1027 | |
| 1028 | bssgp_nsi = nsi; |
| 1029 | gbcfg.nsi = bssgp_nsi; |
| 1030 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1031 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1032 | configure_sgsn_peer(&sgsn_peer); |
| 1033 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1034 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1035 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1036 | printf("--- Initialise SGSN ---\n\n"); |
| 1037 | |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 1038 | connect_sgsn(nsi, &sgsn_peer); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1039 | gprs_dump_nsi(nsi); |
| 1040 | |
| 1041 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1042 | |
| 1043 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[0]); |
| 1044 | gprs_dump_nsi(nsi); |
| 1045 | |
| 1046 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1047 | |
| 1048 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1049 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1050 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1051 | |
| 1052 | printf("--- Setup BVCI 2 ---\n\n"); |
| 1053 | |
| 1054 | setup_bssgp(nsi, &bss_peer[0], bvci[1]); |
| 1055 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[1]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1056 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1057 | |
| 1058 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1059 | |
| 1060 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1061 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1062 | |
| 1063 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 ---\n\n"); |
| 1064 | |
| 1065 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
| 1066 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
| 1067 | |
| 1068 | printf("--- Change NSEI ---\n\n"); |
| 1069 | |
| 1070 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[1]); |
| 1071 | gprs_dump_nsi(nsi); |
| 1072 | |
| 1073 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1074 | |
| 1075 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1076 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1077 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1078 | |
| 1079 | printf("--- Setup BVCI 3 ---\n\n"); |
| 1080 | |
| 1081 | setup_bssgp(nsi, &bss_peer[0], bvci[2]); |
| 1082 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[2]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1083 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1084 | |
| 1085 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1086 | |
| 1087 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1088 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1089 | |
| 1090 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1091 | " (should fail) ---\n\n"); |
| 1092 | |
| 1093 | 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] | 1094 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1095 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1096 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1097 | |
| 1098 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1099 | |
| 1100 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 1101 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 1102 | |
| 1103 | printf("--- Change NSVCI ---\n\n"); |
| 1104 | |
| 1105 | setup_ns(nsi, &bss_peer[0], nsvci[1], nsei[1]); |
| 1106 | gprs_dump_nsi(nsi); |
| 1107 | |
| 1108 | printf("--- Setup BVCI 1 ---\n\n"); |
| 1109 | |
| 1110 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 1111 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1112 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1113 | |
| 1114 | printf("--- Setup BVCI 4 ---\n\n"); |
| 1115 | |
| 1116 | setup_bssgp(nsi, &bss_peer[0], bvci[3]); |
| 1117 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[3]); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1118 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1119 | |
| 1120 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 1121 | |
| 1122 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 1123 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 1124 | |
| 1125 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 1126 | " (should fail) ---\n\n"); |
| 1127 | |
| 1128 | 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] | 1129 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1130 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1131 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1132 | |
| 1133 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 1134 | |
| 1135 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 1136 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 1137 | |
| 1138 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 4 ---\n\n"); |
| 1139 | |
| 1140 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[3], (uint8_t *)"", 0); |
| 1141 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[3], (uint8_t *)"", 0); |
| 1142 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1143 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1144 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1145 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1146 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1147 | gprs_ns_destroy(nsi); |
| 1148 | nsi = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1149 | } |
| 1150 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1151 | static void test_gbproxy_ra_patching() |
| 1152 | { |
| 1153 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1154 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1155 | struct sockaddr_in sgsn_peer= {0}; |
| 1156 | struct gprs_ra_id rai_bss = |
| 1157 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1158 | struct gprs_ra_id rai_sgsn = |
| 1159 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 1160 | struct gprs_ra_id rai_unknown = |
| 1161 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1162 | uint16_t cell_id = 0x7530; |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1163 | const char *err_msg = NULL; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1164 | const uint32_t ptmsi = 0xefe2b700; |
| 1165 | const uint32_t local_tlli = 0xefe2b700; |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1166 | const uint32_t foreign_tlli = 0xbbc54679; |
| 1167 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1168 | struct gbproxy_tlli_info *tlli_info; |
| 1169 | struct gbproxy_peer *peer; |
| 1170 | |
| 1171 | OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1172 | |
| 1173 | bssgp_nsi = nsi; |
| 1174 | gbcfg.nsi = bssgp_nsi; |
| 1175 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Jacob Erlbeck | 67a4445 | 2014-05-19 10:14:58 +0200 | [diff] [blame] | 1176 | gbcfg.core_mcc = 123; |
| 1177 | gbcfg.core_mnc = 456; |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1178 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
Holger Hans Peter Freyther | ce1b22e | 2014-08-04 14:22:13 +0200 | [diff] [blame] | 1179 | 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] | 1180 | gbcfg.patch_ptmsi = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1181 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 1182 | configure_sgsn_peer(&sgsn_peer); |
| 1183 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1184 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1185 | gbcfg.match_re = talloc_strdup(NULL, "^9898|^121314"); |
Holger Hans Peter Freyther | 3fa2644 | 2014-08-04 16:27:11 +0200 | [diff] [blame] | 1186 | if (gbprox_set_patch_filter(&gbcfg, gbcfg.match_re, &err_msg) != 0) { |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1187 | fprintf(stderr, "Failed to compile RE '%s': %s\n", |
| 1188 | gbcfg.match_re, err_msg); |
| 1189 | exit(1); |
| 1190 | } |
| 1191 | |
| 1192 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 1193 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1194 | printf("--- Initialise SGSN ---\n\n"); |
| 1195 | |
| 1196 | connect_sgsn(nsi, &sgsn_peer); |
| 1197 | gprs_dump_nsi(nsi); |
| 1198 | |
| 1199 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1200 | |
| 1201 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1202 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1203 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1204 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1205 | |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1206 | peer = gbprox_peer_by_nsei(&gbcfg, 0x1000); |
| 1207 | OSMO_ASSERT(peer != NULL); |
| 1208 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1209 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1210 | |
| 1211 | send_bssgp_suspend(nsi, &bss_peer[0], &rai_bss); |
| 1212 | send_bssgp_suspend_ack(nsi, &sgsn_peer, &rai_sgsn); |
| 1213 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1214 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1215 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1216 | |
| 1217 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1218 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1219 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 1220 | foreign_tlli, &rai_bss, cell_id, |
| 1221 | GPRS_SAPI_GMM, 0, |
| 1222 | dtap_attach_req, sizeof(dtap_attach_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1223 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1224 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 1225 | foreign_tlli, 0, NULL, 0, |
| 1226 | GPRS_SAPI_GMM, 0, |
| 1227 | dtap_identity_req, sizeof(dtap_identity_req)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1228 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1229 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 1230 | foreign_tlli, &rai_bss, cell_id, |
| 1231 | GPRS_SAPI_GMM, 3, |
| 1232 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
Jacob Erlbeck | 690768a | 2014-08-06 15:16:45 +0200 | [diff] [blame] | 1233 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1234 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 1235 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1236 | GPRS_SAPI_GMM, 1, |
| 1237 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1238 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1239 | tlli_info = gbprox_find_tlli_by_sgsn_tlli(peer, local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1240 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1241 | OSMO_ASSERT(tlli_info->tlli.assigned == local_tlli); |
| 1242 | OSMO_ASSERT(tlli_info->tlli.current != local_tlli); |
| 1243 | OSMO_ASSERT(!tlli_info->tlli.bss_validated); |
| 1244 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1245 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_tlli); |
| 1246 | OSMO_ASSERT(tlli_info->sgsn_tlli.current != local_tlli); |
| 1247 | OSMO_ASSERT(!tlli_info->sgsn_tlli.bss_validated); |
| 1248 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1249 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1250 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 1251 | local_tlli, &rai_bss, cell_id, |
| 1252 | GPRS_SAPI_GMM, 4, |
| 1253 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1254 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1255 | tlli_info = gbprox_find_tlli_by_sgsn_tlli(peer, local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1256 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1257 | OSMO_ASSERT(tlli_info->tlli.assigned == local_tlli); |
| 1258 | OSMO_ASSERT(tlli_info->tlli.current != local_tlli); |
| 1259 | OSMO_ASSERT(tlli_info->tlli.bss_validated); |
| 1260 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1261 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_tlli); |
| 1262 | OSMO_ASSERT(tlli_info->sgsn_tlli.current != local_tlli); |
| 1263 | OSMO_ASSERT(tlli_info->sgsn_tlli.bss_validated); |
| 1264 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1265 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1266 | /* Replace APN (1) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1267 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 1268 | local_tlli, &rai_bss, cell_id, |
| 1269 | GPRS_SAPI_GMM, 3, |
| 1270 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1271 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1272 | tlli_info = gbprox_find_tlli_by_sgsn_tlli(peer, local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1273 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1274 | OSMO_ASSERT(tlli_info->tlli.assigned == local_tlli); |
| 1275 | OSMO_ASSERT(tlli_info->tlli.current != local_tlli); |
| 1276 | OSMO_ASSERT(tlli_info->tlli.bss_validated); |
| 1277 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1278 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_tlli); |
| 1279 | OSMO_ASSERT(tlli_info->sgsn_tlli.current != local_tlli); |
| 1280 | OSMO_ASSERT(tlli_info->sgsn_tlli.bss_validated); |
| 1281 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1282 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1283 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1284 | local_tlli, 1, imsi, sizeof(imsi), |
| 1285 | GPRS_SAPI_GMM, 2, |
| 1286 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 1287 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1288 | tlli_info = gbprox_find_tlli_by_sgsn_tlli(peer, local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1289 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1290 | OSMO_ASSERT(tlli_info->tlli.assigned == 0); |
| 1291 | OSMO_ASSERT(tlli_info->tlli.current == local_tlli); |
| 1292 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == 0); |
| 1293 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == local_tlli); |
Jacob Erlbeck | 59748e6 | 2014-08-11 17:26:21 +0200 | [diff] [blame] | 1294 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1295 | /* Replace APN (2) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1296 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REPLACE APN)", &bss_peer[0], 0x1002, |
| 1297 | local_tlli, &rai_bss, cell_id, |
| 1298 | GPRS_SAPI_GMM, 3, |
| 1299 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1300 | |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 1301 | gbcfg.core_apn[0] = 0; |
| 1302 | gbcfg.core_apn_size = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1303 | |
| 1304 | /* Remove APN */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1305 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", &bss_peer[0], 0x1002, |
| 1306 | local_tlli, &rai_bss, cell_id, |
| 1307 | GPRS_SAPI_GMM, 3, |
| 1308 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1309 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1310 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1311 | |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1312 | /* Detach */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1313 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 1314 | local_tlli, &rai_bss, cell_id, |
| 1315 | GPRS_SAPI_GMM, 6, |
| 1316 | dtap_detach_req, sizeof(dtap_detach_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1317 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1318 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 1319 | local_tlli, 1, imsi, sizeof(imsi), |
| 1320 | GPRS_SAPI_GMM, 5, |
| 1321 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1322 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1323 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1324 | |
| 1325 | printf("--- RA update ---\n\n"); |
| 1326 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1327 | send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 1328 | foreign_tlli, &rai_bss, 0x7080, |
| 1329 | GPRS_SAPI_GMM, 5, |
| 1330 | dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1331 | |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1332 | send_llc_dl_ui(nsi, "RA UPD ACC", &sgsn_peer, 0x1002, |
| 1333 | foreign_tlli, 1, imsi, sizeof(imsi), |
| 1334 | GPRS_SAPI_GMM, 6, |
| 1335 | dtap_ra_upd_acc, sizeof(dtap_ra_upd_acc)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1336 | |
| 1337 | /* Remove APN */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1338 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ (REMOVE APN)", &bss_peer[0], 0x1002, |
| 1339 | local_tlli, &rai_bss, cell_id, |
| 1340 | GPRS_SAPI_GMM, 3, |
| 1341 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1342 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1343 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1344 | |
Jacob Erlbeck | 3e23ddf | 2014-08-11 15:07:37 +0200 | [diff] [blame] | 1345 | /* Detach (power off -> no Detach Accept) */ |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1346 | send_llc_ul_ui(nsi, "DETACH REQ (PWR OFF)", &bss_peer[0], 0x1002, |
| 1347 | local_tlli, &rai_bss, cell_id, |
| 1348 | GPRS_SAPI_GMM, 6, |
| 1349 | dtap_detach_po_req, sizeof(dtap_detach_po_req)); |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 1350 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1351 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1352 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1353 | |
| 1354 | printf("--- Bad cases ---\n\n"); |
| 1355 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 1356 | printf("TLLI is already detached, shouldn't patch\n"); |
Jacob Erlbeck | c53f2a6 | 2014-08-15 14:56:28 +0200 | [diff] [blame] | 1357 | send_llc_ul_ui(nsi, "ACT PDP CTX REQ", &bss_peer[0], 0x1002, |
| 1358 | local_tlli, &rai_bss, cell_id, |
| 1359 | GPRS_SAPI_GMM, 3, |
| 1360 | dtap_act_pdp_ctx_req, sizeof(dtap_act_pdp_ctx_req)); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 1361 | |
Jacob Erlbeck | 006c038 | 2014-05-27 13:49:04 +0200 | [diff] [blame] | 1362 | printf("Invalid RAI, shouldn't patch\n"); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1363 | send_bssgp_suspend_ack(nsi, &sgsn_peer, &rai_unknown); |
| 1364 | |
Holger Hans Peter Freyther | b900459 | 2014-08-04 11:26:54 +0200 | [diff] [blame] | 1365 | dump_global(stdout, 0); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1366 | dump_peers(stdout, 0, 0, &gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1367 | |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 1368 | gbprox_reset(&gbcfg); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1369 | gprs_ns_destroy(nsi); |
| 1370 | nsi = NULL; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1371 | } |
| 1372 | |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame^] | 1373 | static void test_gbproxy_ptmsi_patching() |
| 1374 | { |
| 1375 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 1376 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 1377 | struct sockaddr_in sgsn_peer= {0}; |
| 1378 | struct gprs_ra_id rai_bss = |
| 1379 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 1380 | struct gprs_ra_id rai_sgsn = |
| 1381 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 1382 | struct gprs_ra_id rai_unknown = |
| 1383 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 1384 | uint16_t cell_id = 0x1234; |
| 1385 | |
| 1386 | const uint32_t sgsn_ptmsi = 0xefe2b700; |
| 1387 | const uint32_t local_sgsn_tlli = 0xefe2b700; |
| 1388 | const uint32_t random_sgsn_tlli = 0x7c69fb81; |
| 1389 | |
| 1390 | const uint32_t bss_ptmsi = 0xc00f7304; |
| 1391 | const uint32_t local_bss_tlli = 0xc00f7304; |
| 1392 | const uint32_t foreign_bss_tlli = 0x8000dead; |
| 1393 | |
| 1394 | const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; |
| 1395 | struct gbproxy_tlli_info *tlli_info; |
| 1396 | struct gbproxy_peer *peer; |
| 1397 | unsigned bss_nu = 0; |
| 1398 | unsigned sgsn_nu = 0; |
| 1399 | |
| 1400 | OSMO_ASSERT(local_sgsn_tlli == gprs_tmsi2tlli(sgsn_ptmsi, TLLI_LOCAL)); |
| 1401 | |
| 1402 | bssgp_nsi = nsi; |
| 1403 | gbcfg.nsi = bssgp_nsi; |
| 1404 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 1405 | gbcfg.core_mcc = 123; |
| 1406 | gbcfg.core_mnc = 456; |
| 1407 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 1408 | gbcfg.core_apn_size = gprs_str_to_apn(gbcfg.core_apn, 100, "foo.bar"); |
| 1409 | gbcfg.patch_ptmsi = 1; |
| 1410 | gbcfg.bss_ptmsi_state = 0; |
| 1411 | gbcfg.sgsn_tlli_state = 1; |
| 1412 | |
| 1413 | configure_sgsn_peer(&sgsn_peer); |
| 1414 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
| 1415 | |
| 1416 | printf("=== %s ===\n", __func__); |
| 1417 | printf("--- Initialise SGSN ---\n\n"); |
| 1418 | |
| 1419 | connect_sgsn(nsi, &sgsn_peer); |
| 1420 | |
| 1421 | printf("--- Initialise BSS 1 ---\n\n"); |
| 1422 | |
| 1423 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 1424 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 1425 | |
| 1426 | peer = gbprox_peer_by_nsei(&gbcfg, 0x1000); |
| 1427 | OSMO_ASSERT(peer != NULL); |
| 1428 | |
| 1429 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 1430 | |
| 1431 | send_bssgp_suspend(nsi, &bss_peer[0], &rai_bss); |
| 1432 | send_bssgp_suspend_ack(nsi, &sgsn_peer, &rai_sgsn); |
| 1433 | |
| 1434 | gprs_dump_nsi(nsi); |
| 1435 | dump_global(stdout, 0); |
| 1436 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1437 | |
| 1438 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 1439 | |
| 1440 | send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
| 1441 | foreign_bss_tlli, &rai_unknown, cell_id, |
| 1442 | GPRS_SAPI_GMM, bss_nu++, |
| 1443 | dtap_attach_req, sizeof(dtap_attach_req)); |
| 1444 | |
| 1445 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1446 | |
| 1447 | send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, |
| 1448 | random_sgsn_tlli, 0, NULL, 0, |
| 1449 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1450 | dtap_identity_req, sizeof(dtap_identity_req)); |
| 1451 | |
| 1452 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1453 | |
| 1454 | send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, |
| 1455 | foreign_bss_tlli, &rai_bss, cell_id, |
| 1456 | GPRS_SAPI_GMM, bss_nu++, |
| 1457 | dtap_identity_resp, sizeof(dtap_identity_resp)); |
| 1458 | |
| 1459 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1460 | |
| 1461 | send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
| 1462 | random_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 1463 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1464 | dtap_attach_acc, sizeof(dtap_attach_acc)); |
| 1465 | |
| 1466 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1467 | |
| 1468 | tlli_info = gbprox_find_tlli_by_sgsn_tlli(peer, random_sgsn_tlli); |
| 1469 | OSMO_ASSERT(tlli_info); |
| 1470 | OSMO_ASSERT(tlli_info->tlli.assigned == local_bss_tlli); |
| 1471 | OSMO_ASSERT(tlli_info->tlli.current == foreign_bss_tlli); |
| 1472 | OSMO_ASSERT(!tlli_info->tlli.bss_validated); |
| 1473 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1474 | OSMO_ASSERT(tlli_info->tlli.ptmsi == bss_ptmsi); |
| 1475 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 1476 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == random_sgsn_tlli); |
| 1477 | OSMO_ASSERT(!tlli_info->sgsn_tlli.bss_validated); |
| 1478 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 1479 | OSMO_ASSERT(tlli_info->sgsn_tlli.ptmsi == sgsn_ptmsi); |
| 1480 | |
| 1481 | send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, |
| 1482 | local_bss_tlli, &rai_bss, cell_id, |
| 1483 | GPRS_SAPI_GMM, bss_nu++, |
| 1484 | dtap_attach_complete, sizeof(dtap_attach_complete)); |
| 1485 | |
| 1486 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1487 | |
| 1488 | tlli_info = gbprox_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli); |
| 1489 | OSMO_ASSERT(tlli_info); |
| 1490 | OSMO_ASSERT(tlli_info->tlli.assigned == local_bss_tlli); |
| 1491 | OSMO_ASSERT(tlli_info->tlli.current == foreign_bss_tlli); |
| 1492 | OSMO_ASSERT(tlli_info->tlli.bss_validated); |
| 1493 | OSMO_ASSERT(!tlli_info->tlli.net_validated); |
| 1494 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == local_sgsn_tlli); |
| 1495 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == random_sgsn_tlli); |
| 1496 | OSMO_ASSERT(tlli_info->sgsn_tlli.bss_validated); |
| 1497 | OSMO_ASSERT(!tlli_info->sgsn_tlli.net_validated); |
| 1498 | |
| 1499 | send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 1500 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 1501 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1502 | dtap_gmm_information, sizeof(dtap_gmm_information)); |
| 1503 | |
| 1504 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1505 | |
| 1506 | tlli_info = gbprox_find_tlli_by_sgsn_tlli(peer, local_sgsn_tlli); |
| 1507 | OSMO_ASSERT(tlli_info); |
| 1508 | OSMO_ASSERT(tlli_info->tlli.current == local_bss_tlli); |
| 1509 | OSMO_ASSERT(tlli_info->tlli.assigned == 0); |
| 1510 | OSMO_ASSERT(tlli_info->sgsn_tlli.current == local_sgsn_tlli); |
| 1511 | OSMO_ASSERT(tlli_info->sgsn_tlli.assigned == 0); |
| 1512 | |
| 1513 | /* Non-DTAP */ |
| 1514 | send_bssgp_ul_unitdata(nsi, "XID (UL)", &bss_peer[0], 0x1002, |
| 1515 | local_bss_tlli, &rai_bss, cell_id, |
| 1516 | llc_u_xid_ul, sizeof(llc_u_xid_ul)); |
| 1517 | |
| 1518 | send_bssgp_dl_unitdata(nsi, "XID (DL)", &sgsn_peer, 0x1002, |
| 1519 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 1520 | llc_u_xid_dl, sizeof(llc_u_xid_dl)); |
| 1521 | |
| 1522 | send_bssgp_ul_unitdata(nsi, "LL11 DNS QUERY (UL)", &bss_peer[0], 0x1002, |
| 1523 | local_bss_tlli, &rai_bss, cell_id, |
| 1524 | llc_ui_ll11_dns_query_ul, |
| 1525 | sizeof(llc_ui_ll11_dns_query_ul)); |
| 1526 | |
| 1527 | send_bssgp_dl_unitdata(nsi, "LL11 DNS RESP (DL)", &sgsn_peer, 0x1002, |
| 1528 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 1529 | llc_ui_ll11_dns_resp_dl, |
| 1530 | sizeof(llc_ui_ll11_dns_resp_dl)); |
| 1531 | |
| 1532 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1533 | |
| 1534 | /* Detach */ |
| 1535 | send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 1536 | local_bss_tlli, &rai_bss, cell_id, |
| 1537 | GPRS_SAPI_GMM, bss_nu++, |
| 1538 | dtap_detach_req, sizeof(dtap_detach_req)); |
| 1539 | |
| 1540 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1541 | |
| 1542 | send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 1543 | local_sgsn_tlli, 1, imsi, sizeof(imsi), |
| 1544 | GPRS_SAPI_GMM, sgsn_nu++, |
| 1545 | dtap_detach_acc, sizeof(dtap_detach_acc)); |
| 1546 | |
| 1547 | dump_peers(stdout, 0, 0, &gbcfg); |
| 1548 | dump_global(stdout, 0); |
| 1549 | |
| 1550 | gbprox_reset(&gbcfg); |
| 1551 | gprs_ns_destroy(nsi); |
| 1552 | nsi = NULL; |
| 1553 | } |
| 1554 | |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 1555 | /* TODO: Move tlv testing to libosmocore */ |
| 1556 | int v_fixed_shift(uint8_t **data, size_t *data_len, size_t len, uint8_t **value); |
| 1557 | int tv_fixed_match(uint8_t **data, size_t *data_len, uint8_t tag, size_t len, |
| 1558 | uint8_t **value); |
| 1559 | int tlv_match(uint8_t **data, size_t *data_len, uint8_t tag, uint8_t **value, |
| 1560 | size_t *value_len); |
| 1561 | int lv_shift(uint8_t **data, size_t *data_len, |
| 1562 | uint8_t **value, size_t *value_len); |
| 1563 | |
| 1564 | static void check_tlv_match(uint8_t **data, size_t *data_len, |
| 1565 | uint8_t tag, size_t exp_len, const uint8_t *exp_val) |
| 1566 | { |
| 1567 | uint8_t *value; |
| 1568 | size_t value_len; |
| 1569 | int rc; |
| 1570 | |
| 1571 | rc = tlv_match(data, data_len, tag ^ 1, NULL, NULL); |
| 1572 | OSMO_ASSERT(rc == 0); |
| 1573 | |
| 1574 | rc = tlv_match(data, data_len, tag, &value, &value_len); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 1575 | OSMO_ASSERT(rc == (int)value_len + 2); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 1576 | OSMO_ASSERT(value_len == exp_len); |
| 1577 | OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); |
| 1578 | } |
| 1579 | |
| 1580 | static void check_tv_fixed_match(uint8_t **data, size_t *data_len, |
| 1581 | uint8_t tag, size_t len, const uint8_t *exp_val) |
| 1582 | { |
| 1583 | uint8_t *value; |
| 1584 | int rc; |
| 1585 | |
| 1586 | rc = tv_fixed_match(data, data_len, tag ^ 1, len, NULL); |
| 1587 | OSMO_ASSERT(rc == 0); |
| 1588 | |
| 1589 | rc = tv_fixed_match(data, data_len, tag, len, &value); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 1590 | OSMO_ASSERT(rc == (int)len + 1); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 1591 | OSMO_ASSERT(memcmp(value, exp_val, len) == 0); |
| 1592 | } |
| 1593 | |
| 1594 | static void check_v_fixed_shift(uint8_t **data, size_t *data_len, |
| 1595 | size_t len, const uint8_t *exp_val) |
| 1596 | { |
| 1597 | uint8_t *value; |
| 1598 | int rc; |
| 1599 | |
| 1600 | rc = v_fixed_shift(data, data_len, len, &value); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 1601 | OSMO_ASSERT(rc == (int)len); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 1602 | OSMO_ASSERT(memcmp(value, exp_val, len) == 0); |
| 1603 | } |
| 1604 | |
| 1605 | static void check_lv_shift(uint8_t **data, size_t *data_len, |
| 1606 | size_t exp_len, const uint8_t *exp_val) |
| 1607 | { |
| 1608 | uint8_t *value; |
| 1609 | size_t value_len; |
| 1610 | int rc; |
| 1611 | |
| 1612 | rc = lv_shift(data, data_len, &value, &value_len); |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 1613 | OSMO_ASSERT(rc == (int)value_len + 1); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 1614 | OSMO_ASSERT(value_len == exp_len); |
| 1615 | OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); |
| 1616 | } |
| 1617 | |
| 1618 | static void check_tlv_match_data_len(size_t data_len, uint8_t tag, size_t len, |
| 1619 | const uint8_t *test_data) |
| 1620 | { |
| 1621 | uint8_t buf[300] = {0}; |
| 1622 | |
| 1623 | uint8_t *unchanged_ptr = buf - 1; |
| 1624 | size_t unchanged_len = 0xdead; |
| 1625 | size_t tmp_data_len = data_len; |
| 1626 | uint8_t *value = unchanged_ptr; |
| 1627 | size_t value_len = unchanged_len; |
| 1628 | uint8_t *data = buf; |
| 1629 | |
| 1630 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 1631 | |
| 1632 | tlv_put(data, tag, len, test_data); |
| 1633 | if (data_len < len + 2) { |
| 1634 | OSMO_ASSERT(-1 == tlv_match(&data, &tmp_data_len, |
| 1635 | tag, &value, &value_len)); |
| 1636 | OSMO_ASSERT(tmp_data_len == 0); |
| 1637 | OSMO_ASSERT(data == buf + data_len); |
| 1638 | OSMO_ASSERT(value == unchanged_ptr); |
| 1639 | OSMO_ASSERT(value_len == unchanged_len); |
| 1640 | } else { |
| 1641 | OSMO_ASSERT(0 <= tlv_match(&data, &tmp_data_len, |
| 1642 | tag, &value, &value_len)); |
| 1643 | OSMO_ASSERT(value != unchanged_ptr); |
| 1644 | OSMO_ASSERT(value_len != unchanged_len); |
| 1645 | } |
| 1646 | } |
| 1647 | |
| 1648 | static void check_tv_fixed_match_data_len(size_t data_len, |
| 1649 | uint8_t tag, size_t len, |
| 1650 | const uint8_t *test_data) |
| 1651 | { |
| 1652 | uint8_t buf[300] = {0}; |
| 1653 | |
| 1654 | uint8_t *unchanged_ptr = buf - 1; |
| 1655 | size_t tmp_data_len = data_len; |
| 1656 | uint8_t *value = unchanged_ptr; |
| 1657 | uint8_t *data = buf; |
| 1658 | |
| 1659 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 1660 | |
| 1661 | tv_fixed_put(data, tag, len, test_data); |
| 1662 | |
| 1663 | if (data_len < len + 1) { |
| 1664 | OSMO_ASSERT(-1 == tv_fixed_match(&data, &tmp_data_len, |
| 1665 | tag, len, &value)); |
| 1666 | OSMO_ASSERT(tmp_data_len == 0); |
| 1667 | OSMO_ASSERT(data == buf + data_len); |
| 1668 | OSMO_ASSERT(value == unchanged_ptr); |
| 1669 | } else { |
| 1670 | OSMO_ASSERT(0 <= tv_fixed_match(&data, &tmp_data_len, |
| 1671 | tag, len, &value)); |
| 1672 | OSMO_ASSERT(value != unchanged_ptr); |
| 1673 | } |
| 1674 | } |
| 1675 | |
| 1676 | static void check_v_fixed_shift_data_len(size_t data_len, |
| 1677 | size_t len, const uint8_t *test_data) |
| 1678 | { |
| 1679 | uint8_t buf[300] = {0}; |
| 1680 | |
| 1681 | uint8_t *unchanged_ptr = buf - 1; |
| 1682 | size_t tmp_data_len = data_len; |
| 1683 | uint8_t *value = unchanged_ptr; |
| 1684 | uint8_t *data = buf; |
| 1685 | |
| 1686 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 1687 | |
| 1688 | memcpy(data, test_data, len); |
| 1689 | |
| 1690 | if (data_len < len) { |
| 1691 | OSMO_ASSERT(-1 == v_fixed_shift(&data, &tmp_data_len, |
| 1692 | len, &value)); |
| 1693 | OSMO_ASSERT(tmp_data_len == 0); |
| 1694 | OSMO_ASSERT(data == buf + data_len); |
| 1695 | OSMO_ASSERT(value == unchanged_ptr); |
| 1696 | } else { |
| 1697 | OSMO_ASSERT(0 <= v_fixed_shift(&data, &tmp_data_len, |
| 1698 | len, &value)); |
| 1699 | OSMO_ASSERT(value != unchanged_ptr); |
| 1700 | } |
| 1701 | } |
| 1702 | |
| 1703 | static void check_lv_shift_data_len(size_t data_len, |
| 1704 | size_t len, const uint8_t *test_data) |
| 1705 | { |
| 1706 | uint8_t buf[300] = {0}; |
| 1707 | |
| 1708 | uint8_t *unchanged_ptr = buf - 1; |
| 1709 | size_t unchanged_len = 0xdead; |
| 1710 | size_t tmp_data_len = data_len; |
| 1711 | uint8_t *value = unchanged_ptr; |
| 1712 | size_t value_len = unchanged_len; |
| 1713 | uint8_t *data = buf; |
| 1714 | |
| 1715 | lv_put(data, len, test_data); |
| 1716 | if (data_len < len + 1) { |
| 1717 | OSMO_ASSERT(-1 == lv_shift(&data, &tmp_data_len, |
| 1718 | &value, &value_len)); |
| 1719 | OSMO_ASSERT(tmp_data_len == 0); |
| 1720 | OSMO_ASSERT(data == buf + data_len); |
| 1721 | OSMO_ASSERT(value == unchanged_ptr); |
| 1722 | OSMO_ASSERT(value_len == unchanged_len); |
| 1723 | } else { |
| 1724 | OSMO_ASSERT(0 <= lv_shift(&data, &tmp_data_len, |
| 1725 | &value, &value_len)); |
| 1726 | OSMO_ASSERT(value != unchanged_ptr); |
| 1727 | OSMO_ASSERT(value_len != unchanged_len); |
| 1728 | } |
| 1729 | } |
| 1730 | |
| 1731 | static void test_tlv_shift_functions() |
| 1732 | { |
| 1733 | uint8_t test_data[1024]; |
| 1734 | uint8_t buf[1024]; |
| 1735 | uint8_t *data_end; |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 1736 | unsigned i, len; |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 1737 | uint8_t *data; |
| 1738 | size_t data_len; |
| 1739 | const uint8_t tag = 0x1a; |
| 1740 | |
| 1741 | printf("Test shift functions\n"); |
| 1742 | |
| 1743 | for (i = 0; i < ARRAY_SIZE(test_data); i++) |
| 1744 | test_data[i] = (uint8_t)i; |
| 1745 | |
| 1746 | for (len = 0; len < 256; len++) { |
Jacob Erlbeck | 948b730 | 2014-08-11 10:37:35 +0200 | [diff] [blame] | 1747 | const unsigned iterations = sizeof(buf) / (len + 2) / 4; |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 1748 | |
| 1749 | memset(buf, 0xee, sizeof(buf)); |
| 1750 | data_end = data = buf; |
| 1751 | |
| 1752 | for (i = 0; i < iterations; i++) { |
| 1753 | data_end = tlv_put(data_end, tag, len, test_data); |
| 1754 | data_end = tv_fixed_put(data_end, tag, len, test_data); |
| 1755 | /* v_fixed_put */ |
| 1756 | memcpy(data_end, test_data, len); |
| 1757 | data_end += len; |
| 1758 | data_end = lv_put(data_end, len, test_data); |
| 1759 | } |
| 1760 | |
| 1761 | data_len = data_end - data; |
| 1762 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 1763 | |
| 1764 | for (i = 0; i < iterations; i++) { |
| 1765 | check_tlv_match(&data, &data_len, tag, len, test_data); |
| 1766 | check_tv_fixed_match(&data, &data_len, tag, len, test_data); |
| 1767 | check_v_fixed_shift(&data, &data_len, len, test_data); |
| 1768 | check_lv_shift(&data, &data_len, len, test_data); |
| 1769 | } |
| 1770 | |
| 1771 | OSMO_ASSERT(data == data_end); |
| 1772 | |
| 1773 | /* Test at end of data */ |
| 1774 | |
| 1775 | OSMO_ASSERT(-1 == tlv_match(&data, &data_len, tag, NULL, NULL)); |
| 1776 | OSMO_ASSERT(-1 == tv_fixed_match(&data, &data_len, tag, len, NULL)); |
| 1777 | OSMO_ASSERT((len ? -1 : 0) == v_fixed_shift(&data, &data_len, len, NULL)); |
| 1778 | OSMO_ASSERT(-1 == lv_shift(&data, &data_len, NULL, NULL)); |
| 1779 | |
| 1780 | /* Test invalid data_len */ |
| 1781 | for (data_len = 0; data_len <= len + 2 + 1; data_len += 1) { |
| 1782 | check_tlv_match_data_len(data_len, tag, len, test_data); |
| 1783 | check_tv_fixed_match_data_len(data_len, tag, len, test_data); |
| 1784 | check_v_fixed_shift_data_len(data_len, len, test_data); |
| 1785 | check_lv_shift_data_len(data_len, len, test_data); |
| 1786 | } |
| 1787 | } |
| 1788 | } |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1789 | |
| 1790 | static void test_gbproxy_tlli_expire(void) |
| 1791 | { |
| 1792 | struct gbproxy_config cfg = {0}; |
| 1793 | struct gbproxy_peer *peer; |
| 1794 | const char *err_msg = NULL; |
| 1795 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI, 0x23, 0x24, 0x25, 0x26 }; |
| 1796 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI, 0x26, 0x27, 0x28, 0x29 }; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 1797 | 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] | 1798 | const uint32_t tlli1 = 1234 | 0xc0000000; |
| 1799 | const uint32_t tlli2 = 5678 | 0xc0000000; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 1800 | const uint32_t tlli3 = 3456 | 0xc0000000; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1801 | const char *filter_re = ".*"; |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1802 | time_t now = 1407479214; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1803 | |
| 1804 | printf("Test TLLI info expiry\n\n"); |
| 1805 | |
| 1806 | gbproxy_init_config(&cfg); |
| 1807 | |
| 1808 | if (gbprox_set_patch_filter(&cfg, filter_re, &err_msg) != 0) { |
| 1809 | fprintf(stderr, "gbprox_set_patch_filter: got error: %s\n", |
| 1810 | err_msg); |
| 1811 | OSMO_ASSERT(err_msg == NULL); |
| 1812 | } |
| 1813 | |
| 1814 | { |
| 1815 | struct gbproxy_tlli_info *tlli_info; |
| 1816 | |
| 1817 | printf("Test TLLI replacement:\n"); |
| 1818 | |
| 1819 | cfg.tlli_max_len = 0; |
| 1820 | cfg.tlli_max_age = 0; |
| 1821 | peer = gbproxy_peer_alloc(&cfg, 20); |
| 1822 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 0); |
| 1823 | |
| 1824 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 5e68ecf | 2014-08-07 20:18:47 +0200 | [diff] [blame] | 1825 | tlli_info = gbprox_register_tlli(peer, tlli1, |
| 1826 | imsi1, ARRAY_SIZE(imsi1), now); |
| 1827 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1828 | OSMO_ASSERT(tlli_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1829 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 1830 | |
| 1831 | /* replace the old entry */ |
| 1832 | printf(" Add TLLI 2, IMSI 1 (should replace TLLI 1)\n"); |
Jacob Erlbeck | 5e68ecf | 2014-08-07 20:18:47 +0200 | [diff] [blame] | 1833 | tlli_info = gbprox_register_tlli(peer, tlli2, |
| 1834 | imsi1, ARRAY_SIZE(imsi1), now); |
| 1835 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1836 | OSMO_ASSERT(tlli_info->tlli.current == tlli2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1837 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 1838 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1839 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1840 | |
| 1841 | /* verify that 5678 has survived */ |
| 1842 | tlli_info = gbprox_find_tlli_by_mi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 1843 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1844 | OSMO_ASSERT(tlli_info->tlli.current == tlli2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1845 | tlli_info = gbprox_find_tlli_by_mi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 1846 | OSMO_ASSERT(!tlli_info); |
| 1847 | |
| 1848 | printf("\n"); |
| 1849 | |
| 1850 | gbproxy_peer_free(peer); |
| 1851 | } |
| 1852 | |
| 1853 | { |
| 1854 | struct gbproxy_tlli_info *tlli_info; |
| 1855 | |
| 1856 | printf("Test IMSI replacement:\n"); |
| 1857 | |
| 1858 | cfg.tlli_max_len = 0; |
| 1859 | cfg.tlli_max_age = 0; |
| 1860 | peer = gbproxy_peer_alloc(&cfg, 20); |
| 1861 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 0); |
| 1862 | |
| 1863 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 5e68ecf | 2014-08-07 20:18:47 +0200 | [diff] [blame] | 1864 | tlli_info = gbprox_register_tlli(peer, tlli1, |
| 1865 | imsi1, ARRAY_SIZE(imsi1), now); |
| 1866 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1867 | OSMO_ASSERT(tlli_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1868 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 1869 | |
| 1870 | /* try to replace the old entry */ |
| 1871 | printf(" Add TLLI 1, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | 5e68ecf | 2014-08-07 20:18:47 +0200 | [diff] [blame] | 1872 | tlli_info = gbprox_register_tlli(peer, tlli1, |
| 1873 | imsi2, ARRAY_SIZE(imsi2), now); |
| 1874 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1875 | OSMO_ASSERT(tlli_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1876 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 1877 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1878 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1879 | |
| 1880 | /* verify that 5678 has survived */ |
| 1881 | tlli_info = gbprox_find_tlli_by_mi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 1882 | OSMO_ASSERT(!tlli_info); |
| 1883 | tlli_info = gbprox_find_tlli_by_mi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 1884 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1885 | OSMO_ASSERT(tlli_info->tlli.current == tlli1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1886 | |
| 1887 | printf("\n"); |
| 1888 | |
| 1889 | gbproxy_peer_free(peer); |
| 1890 | } |
| 1891 | |
| 1892 | { |
| 1893 | struct gbproxy_tlli_info *tlli_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 1894 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1895 | |
| 1896 | printf("Test TLLI expiry, max_len == 1:\n"); |
| 1897 | |
| 1898 | cfg.tlli_max_len = 1; |
| 1899 | cfg.tlli_max_age = 0; |
| 1900 | peer = gbproxy_peer_alloc(&cfg, 20); |
| 1901 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 0); |
| 1902 | |
| 1903 | printf(" Add TLLI 1, IMSI 1\n"); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1904 | gbprox_register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1905 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 1906 | |
| 1907 | /* replace the old entry */ |
| 1908 | printf(" Add TLLI 2, IMSI 2 (should replace IMSI 1)\n"); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1909 | gbprox_register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), now); |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 1910 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 2); |
| 1911 | |
| 1912 | num_removed = gbprox_remove_stale_tllis(peer, time(NULL) + 2); |
| 1913 | OSMO_ASSERT(num_removed == 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1914 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 1915 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1916 | dump_peers(stdout, 2, now, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1917 | |
| 1918 | /* verify that 5678 has survived */ |
| 1919 | tlli_info = gbprox_find_tlli_by_mi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 1920 | OSMO_ASSERT(!tlli_info); |
| 1921 | tlli_info = gbprox_find_tlli_by_mi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 1922 | OSMO_ASSERT(tlli_info); |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1923 | OSMO_ASSERT(tlli_info->tlli.current == tlli2); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1924 | |
| 1925 | printf("\n"); |
| 1926 | |
| 1927 | gbproxy_peer_free(peer); |
| 1928 | } |
| 1929 | |
| 1930 | { |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1931 | struct gbproxy_tlli_info *tlli_info; |
Jacob Erlbeck | aad32bc | 2014-08-07 17:23:00 +0200 | [diff] [blame] | 1932 | int num_removed; |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1933 | |
| 1934 | printf("Test TLLI expiry, max_age == 1:\n"); |
| 1935 | |
| 1936 | cfg.tlli_max_len = 0; |
| 1937 | cfg.tlli_max_age = 1; |
| 1938 | peer = gbproxy_peer_alloc(&cfg, 20); |
| 1939 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 0); |
| 1940 | |
| 1941 | printf(" Add TLLI 1, IMSI 1 (should expire after timeout)\n"); |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1942 | gbprox_register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1943 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 1944 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 1945 | printf(" Add TLLI 2, IMSI 2 (should not expire after timeout)\n"); |
| 1946 | gbprox_register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
| 1947 | now + 1); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1948 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 2); |
| 1949 | |
Jacob Erlbeck | 7b821d0 | 2014-08-08 08:37:37 +0200 | [diff] [blame] | 1950 | num_removed = gbprox_remove_stale_tllis(peer, now + 2); |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 1951 | OSMO_ASSERT(num_removed == 1); |
| 1952 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 1953 | |
| 1954 | dump_peers(stdout, 2, now + 2, &cfg); |
| 1955 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1956 | /* verify that 5678 has survived */ |
| 1957 | tlli_info = gbprox_find_tlli_by_mi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 1958 | OSMO_ASSERT(!tlli_info); |
| 1959 | tlli_info = gbprox_find_tlli_by_mi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 1960 | OSMO_ASSERT(tlli_info); |
| 1961 | OSMO_ASSERT(tlli_info->tlli.current == tlli2); |
| 1962 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 1963 | printf("\n"); |
| 1964 | |
| 1965 | gbproxy_peer_free(peer); |
| 1966 | } |
| 1967 | |
| 1968 | { |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 1969 | struct gbproxy_tlli_info *tlli_info; |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 1970 | int num_removed; |
| 1971 | |
| 1972 | printf("Test TLLI expiry, max_len == 2, max_age == 1:\n"); |
| 1973 | |
| 1974 | cfg.tlli_max_len = 0; |
| 1975 | cfg.tlli_max_age = 1; |
| 1976 | peer = gbproxy_peer_alloc(&cfg, 20); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 1977 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 0); |
| 1978 | |
Jacob Erlbeck | f494620 | 2014-08-08 09:33:06 +0200 | [diff] [blame] | 1979 | printf(" Add TLLI 1, IMSI 1 (should expire)\n"); |
| 1980 | gbprox_register_tlli(peer, tlli1, imsi1, ARRAY_SIZE(imsi1), now); |
| 1981 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 1982 | |
| 1983 | printf(" Add TLLI 2, IMSI 2 (should expire after timeout)\n"); |
| 1984 | gbprox_register_tlli(peer, tlli2, imsi2, ARRAY_SIZE(imsi2), |
| 1985 | now + 1); |
| 1986 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 2); |
| 1987 | |
| 1988 | printf(" Add TLLI 3, IMSI 3 (should not expire after timeout)\n"); |
| 1989 | gbprox_register_tlli(peer, tlli3, imsi3, ARRAY_SIZE(imsi3), |
| 1990 | now + 2); |
| 1991 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 3); |
| 1992 | |
| 1993 | dump_peers(stdout, 2, now + 2, &cfg); |
| 1994 | |
| 1995 | printf(" Remove stale TLLIs\n"); |
| 1996 | num_removed = gbprox_remove_stale_tllis(peer, now + 3); |
| 1997 | OSMO_ASSERT(num_removed == 2); |
| 1998 | OSMO_ASSERT(peer->patch_state.enabled_tllis_count == 1); |
| 1999 | |
| 2000 | dump_peers(stdout, 2, now + 2, &cfg); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2001 | |
Jacob Erlbeck | 9057bc3 | 2014-08-12 16:30:30 +0200 | [diff] [blame] | 2002 | /* verify that tlli3 has survived */ |
| 2003 | tlli_info = gbprox_find_tlli_by_mi(peer, imsi1, ARRAY_SIZE(imsi1)); |
| 2004 | OSMO_ASSERT(!tlli_info); |
| 2005 | tlli_info = gbprox_find_tlli_by_mi(peer, imsi2, ARRAY_SIZE(imsi2)); |
| 2006 | OSMO_ASSERT(!tlli_info); |
| 2007 | tlli_info = gbprox_find_tlli_by_mi(peer, imsi3, ARRAY_SIZE(imsi3)); |
| 2008 | OSMO_ASSERT(tlli_info); |
| 2009 | OSMO_ASSERT(tlli_info->tlli.current == tlli3); |
| 2010 | |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2011 | printf("\n"); |
| 2012 | |
| 2013 | gbproxy_peer_free(peer); |
| 2014 | } |
| 2015 | } |
| 2016 | |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 2017 | static void test_gbproxy_imsi_matching(void) |
| 2018 | { |
| 2019 | struct gbproxy_config cfg = {0}; |
| 2020 | struct gbproxy_peer *peer; |
| 2021 | const char *err_msg = NULL; |
| 2022 | const uint8_t imsi1[] = { GSM_MI_TYPE_IMSI | 0x10, 0x32, 0x54, 0xf6 }; |
| 2023 | const uint8_t imsi2[] = { GSM_MI_TYPE_IMSI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 2024 | const uint8_t imsi3_bad[] = { GSM_MI_TYPE_IMSI | 0x10, 0xee, 0x54, 0xff }; |
| 2025 | const uint8_t tmsi1[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22, 0x33, 0x44 }; |
| 2026 | const uint8_t tmsi2_bad[] = { GSM_MI_TYPE_TMSI | 0xf0, 0x11, 0x22 }; |
| 2027 | const uint8_t imei1[] = { GSM_MI_TYPE_IMEI | 0x10, 0x32, 0x54, 0xf6 }; |
| 2028 | const uint8_t imei2[] = { GSM_MI_TYPE_IMEI | GSM_MI_ODD | 0x10, 0x32, 0x54, 0x76 }; |
| 2029 | const char *filter_re1 = ".*"; |
| 2030 | const char *filter_re2 = "^1234"; |
| 2031 | const char *filter_re3 = "^4321"; |
| 2032 | const char *filter_re4_bad = "^12["; |
| 2033 | |
| 2034 | printf("=== Test IMSI/TMSI matching ===\n\n"); |
| 2035 | |
| 2036 | gbproxy_init_config(&cfg); |
| 2037 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 2038 | |
| 2039 | OSMO_ASSERT(gbprox_set_patch_filter(&cfg, filter_re1, &err_msg) == 0); |
| 2040 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 2041 | |
| 2042 | OSMO_ASSERT(gbprox_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
| 2043 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 2044 | |
| 2045 | err_msg = NULL; |
| 2046 | OSMO_ASSERT(gbprox_set_patch_filter(&cfg, filter_re4_bad, &err_msg) == -1); |
| 2047 | OSMO_ASSERT(err_msg != NULL); |
| 2048 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 2049 | |
| 2050 | OSMO_ASSERT(gbprox_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
| 2051 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 2052 | |
| 2053 | OSMO_ASSERT(gbprox_set_patch_filter(&cfg, NULL, &err_msg) == 0); |
| 2054 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 2055 | |
Jacob Erlbeck | 29805da | 2014-08-14 08:57:04 +0200 | [diff] [blame] | 2056 | OSMO_ASSERT(gbprox_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
| 2057 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 2058 | |
| 2059 | gbprox_clear_patch_filter(&cfg); |
| 2060 | OSMO_ASSERT(cfg.check_imsi == 0); |
| 2061 | |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 2062 | peer = gbproxy_peer_alloc(&cfg, 20); |
| 2063 | |
| 2064 | OSMO_ASSERT(gbprox_set_patch_filter(&cfg, filter_re2, &err_msg) == 0); |
| 2065 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 2066 | |
| 2067 | OSMO_ASSERT(gbprox_check_imsi(peer, imsi1, ARRAY_SIZE(imsi1)) == 1); |
| 2068 | OSMO_ASSERT(gbprox_check_imsi(peer, imsi2, ARRAY_SIZE(imsi2)) == 1); |
| 2069 | /* imsi3_bad contains 0xE and 0xF digits, but the conversion function |
| 2070 | * doesn't complain, so gbprox_check_imsi() doesn't return -1 in this |
| 2071 | * case. */ |
| 2072 | OSMO_ASSERT(gbprox_check_imsi(peer, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == 0); |
| 2073 | OSMO_ASSERT(gbprox_check_imsi(peer, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 2074 | OSMO_ASSERT(gbprox_check_imsi(peer, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 2075 | OSMO_ASSERT(gbprox_check_imsi(peer, imei1, ARRAY_SIZE(imei1)) == -1); |
| 2076 | OSMO_ASSERT(gbprox_check_imsi(peer, imei2, ARRAY_SIZE(imei2)) == -1); |
| 2077 | |
| 2078 | OSMO_ASSERT(gbprox_set_patch_filter(&cfg, filter_re3, &err_msg) == 0); |
| 2079 | OSMO_ASSERT(cfg.check_imsi == 1); |
| 2080 | |
| 2081 | OSMO_ASSERT(gbprox_check_imsi(peer, imsi1, ARRAY_SIZE(imsi1)) == 0); |
| 2082 | OSMO_ASSERT(gbprox_check_imsi(peer, imsi2, ARRAY_SIZE(imsi2)) == 0); |
| 2083 | OSMO_ASSERT(gbprox_check_imsi(peer, imsi3_bad, ARRAY_SIZE(imsi3_bad)) == 0); |
| 2084 | OSMO_ASSERT(gbprox_check_imsi(peer, tmsi1, ARRAY_SIZE(tmsi1)) == -1); |
| 2085 | OSMO_ASSERT(gbprox_check_imsi(peer, tmsi2_bad, ARRAY_SIZE(tmsi2_bad)) == -1); |
| 2086 | OSMO_ASSERT(gbprox_check_imsi(peer, imei1, ARRAY_SIZE(imei1)) == -1); |
| 2087 | OSMO_ASSERT(gbprox_check_imsi(peer, imei2, ARRAY_SIZE(imei2)) == -1); |
| 2088 | |
| 2089 | /* TODO: Check correct length but wrong type with is_mi_tmsi */ |
| 2090 | |
| 2091 | gbproxy_peer_free(peer); |
| 2092 | } |
| 2093 | |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 2094 | static struct log_info_cat gprs_categories[] = { |
| 2095 | [DGPRS] = { |
| 2096 | .name = "DGPRS", |
| 2097 | .description = "GPRS Packet Service", |
| 2098 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 2099 | }, |
| 2100 | [DNS] = { |
| 2101 | .name = "DNS", |
| 2102 | .description = "GPRS Network Service (NS)", |
| 2103 | .enabled = 1, .loglevel = LOGL_INFO, |
| 2104 | }, |
| 2105 | [DBSSGP] = { |
| 2106 | .name = "DBSSGP", |
| 2107 | .description = "GPRS BSS Gateway Protocol (BSSGP)", |
| 2108 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 2109 | }, |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 2110 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 2111 | |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 2112 | static struct log_info info = { |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 2113 | .cat = gprs_categories, |
| 2114 | .num_cat = ARRAY_SIZE(gprs_categories), |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 2115 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 2116 | |
| 2117 | int main(int argc, char **argv) |
| 2118 | { |
| 2119 | osmo_init_logging(&info); |
| 2120 | log_set_use_color(osmo_stderr_target, 0); |
| 2121 | log_set_print_filename(osmo_stderr_target, 0); |
Holger Hans Peter Freyther | eece627 | 2014-08-04 15:42:36 +0200 | [diff] [blame] | 2122 | osmo_signal_register_handler(SS_L_NS, &test_signal, &gbcfg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 2123 | |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 2124 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 2125 | log_set_log_level(osmo_stderr_target, LOGL_DEBUG); |
| 2126 | log_set_all_filter(osmo_stderr_target, 1); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 2127 | |
| 2128 | rate_ctr_init(NULL); |
| 2129 | |
| 2130 | setlinebuf(stdout); |
| 2131 | |
| 2132 | printf("===== GbProxy test START\n"); |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 2133 | gbproxy_init_config(&gbcfg); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 2134 | test_tlv_shift_functions(); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 2135 | test_gbproxy(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 2136 | test_gbproxy_ident_changes(); |
Jacob Erlbeck | 291f050 | 2014-08-07 10:46:29 +0200 | [diff] [blame] | 2137 | test_gbproxy_imsi_matching(); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 2138 | test_gbproxy_ra_patching(); |
Jacob Erlbeck | 6bd7ded | 2014-08-15 17:20:06 +0200 | [diff] [blame^] | 2139 | test_gbproxy_ptmsi_patching(); |
Holger Hans Peter Freyther | 0196c99 | 2014-08-04 17:10:08 +0200 | [diff] [blame] | 2140 | test_gbproxy_tlli_expire(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 2141 | printf("===== GbProxy test END\n\n"); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 2142 | |
| 2143 | exit(EXIT_SUCCESS); |
| 2144 | } |