Jacob Erlbeck | 76fa57a | 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> |
| 16 | #include <sys/types.h> |
| 17 | #include <sys/socket.h> |
| 18 | |
| 19 | #include <osmocom/core/msgb.h> |
| 20 | #include <osmocom/core/application.h> |
| 21 | #include <osmocom/core/utils.h> |
| 22 | #include <osmocom/core/logging.h> |
| 23 | #include <osmocom/core/talloc.h> |
| 24 | #include <osmocom/core/signal.h> |
| 25 | #include <osmocom/core/rate_ctr.h> |
| 26 | #include <osmocom/gprs/gprs_msgb.h> |
| 27 | #include <osmocom/gprs/gprs_ns.h> |
| 28 | #include <osmocom/gprs/gprs_bssgp.h> |
| 29 | |
| 30 | #include <openbsc/gb_proxy.h> |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 31 | #include <openbsc/debug.h> |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 32 | |
| 33 | #define REMOTE_BSS_ADDR 0x01020304 |
| 34 | #define REMOTE_SGSN_ADDR 0x05060708 |
| 35 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 36 | #define SGSN_NSEI 0x0100 |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 37 | |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 38 | struct gbproxy_config gbcfg = {0}; |
| 39 | |
| 40 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - Attach Request */ |
| 41 | static const unsigned char bssgp_attach_req[75] = { |
| 42 | 0x01, 0xbb, 0xc5, 0x46, 0x79, 0x00, 0x00, 0x04, |
| 43 | 0x08, 0x88, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 44 | 0x75, 0x30, 0x00, 0x80, 0x0e, 0x00, 0x34, 0x01, |
| 45 | 0xc0, 0x01, 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, |
| 46 | 0x08, 0x02, 0x05, 0xf4, 0xfb, 0xc5, 0x46, 0x79, |
| 47 | 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, |
| 48 | 0xb3, 0x43, 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, |
| 49 | 0x80, 0x9a, 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, |
| 50 | 0xba, 0xc8, 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 51 | 0x16, 0x6d, 0x01 |
| 52 | }; |
| 53 | |
| 54 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - Attach Accept */ |
| 55 | static const unsigned char bssgp_attach_acc[88] = { |
| 56 | 0x00, 0xbb, 0xc5, 0x46, 0x79, 0x00, 0x50, 0x20, |
| 57 | 0x16, 0x82, 0x02, 0x58, 0x13, 0x99, 0x18, 0xb3, |
| 58 | 0x43, 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, |
| 59 | 0x9a, 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, |
| 60 | 0xc8, 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, 0x0a, |
| 61 | 0x82, 0x08, 0x02, 0x0d, 0x88, 0x11, 0x12, 0x13, |
| 62 | 0x14, 0x15, 0x16, 0x17, 0x18, 0x00, 0x81, 0x00, |
| 63 | 0x0e, 0x9e, 0x41, 0xc0, 0x05, 0x08, 0x02, 0x01, |
| 64 | 0x49, 0x04, 0x21, 0x63, 0x54, 0x40, 0x50, 0x60, |
| 65 | 0x19, 0xcd, 0xd7, 0x08, 0x17, 0x16, 0x18, 0x05, |
| 66 | 0xf4, 0xfb, 0xc5, 0x47, 0x22, 0x42, 0x67, 0x9a |
| 67 | }; |
| 68 | |
| 69 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - Routing Area Update Request */ |
| 70 | static const unsigned char bssgp_ra_upd_req[85] = { |
| 71 | 0x01, 0xaf, 0xe2, 0x80, 0x6e, 0x00, 0x00, 0x04, |
| 72 | 0x08, 0x88, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 73 | 0x70, 0x80, 0x00, 0x80, 0x0e, 0x00, 0x3e, 0x01, |
| 74 | 0xc0, 0x15, 0x08, 0x08, 0x10, 0x11, 0x22, 0x33, |
| 75 | 0x40, 0x50, 0x60, 0x1d, 0x19, 0x13, 0x42, 0x33, |
| 76 | 0x57, 0x2b, 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, |
| 77 | 0x50, 0xc8, 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, |
| 78 | 0x48, 0x02, 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, |
| 79 | 0x00, 0x19, 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, |
| 80 | 0x07, 0x04, 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, |
| 81 | 0x20, 0x00, 0x96, 0x3e, 0x97 |
| 82 | }; |
| 83 | |
| 84 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - Routing Area Update Accept */ |
| 85 | static const unsigned char bssgp_ra_upd_acc[91] = { |
| 86 | 0x00, 0xaf, 0xe2, 0x80, 0x6e, 0x00, 0x50, 0x20, |
| 87 | 0x16, 0x82, 0x02, 0x58, 0x13, 0x9d, 0x19, 0x13, |
| 88 | 0x42, 0x33, 0x57, 0x2b, 0xf7, 0xc8, 0x48, 0x02, |
| 89 | 0x13, 0x48, 0x50, 0xc8, 0x48, 0x02, 0x14, 0x48, |
| 90 | 0x50, 0xc8, 0x48, 0x02, 0x17, 0x49, 0x10, 0xc8, |
| 91 | 0x48, 0x02, 0x00, 0x0a, 0x82, 0x07, 0x04, 0x0d, |
| 92 | 0x88, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 93 | 0x18, 0x00, 0x81, 0x00, 0x0e, 0x9d, 0x41, 0xc0, |
| 94 | 0x19, 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 95 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 96 | 0x05, 0xf4, 0xef, 0xe2, 0x81, 0x17, 0x17, 0x16, |
| 97 | 0xc3, 0xbf, 0xcc |
| 98 | }; |
| 99 | |
| 100 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - Activate PDP Context Request */ |
| 101 | static const unsigned char bssgp_act_pdp_ctx_req[76] = { |
| 102 | 0x01, 0xef, 0xe2, 0xb7, 0x00, 0x00, 0x00, 0x04, |
| 103 | 0x08, 0x88, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 104 | 0x75, 0x30, 0x00, 0x80, 0x0e, 0x00, 0x35, 0x01, |
| 105 | 0xc0, 0x0d, 0x0a, 0x41, 0x05, 0x03, 0x0c, 0x00, |
| 106 | 0x00, 0x1f, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 107 | 0x00, 0x00, 0x00, 0x02, 0x01, 0x21, 0x28, 0x03, |
| 108 | 0x02, 0x61, 0x62, 0x27, 0x14, 0x80, 0x80, 0x21, |
| 109 | 0x10, 0x01, 0x00, 0x00, 0x10, 0x81, 0x06, 0x00, |
| 110 | 0x00, 0x00, 0x00, 0x83, 0x06, 0x00, 0x00, 0x00, |
| 111 | 0x00, 0x5a, 0xff, 0x02 |
| 112 | }; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 113 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 114 | static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, |
| 115 | struct sockaddr_in *peer, const unsigned char* data, |
| 116 | size_t data_len); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 117 | |
| 118 | static void send_ns_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 119 | enum ns_cause cause, uint16_t nsvci, uint16_t nsei) |
| 120 | { |
| 121 | /* GPRS Network Service, PDU type: NS_RESET, |
| 122 | */ |
| 123 | unsigned char msg[12] = { |
| 124 | 0x02, 0x00, 0x81, 0x01, 0x01, 0x82, 0x11, 0x22, |
| 125 | 0x04, 0x82, 0x11, 0x22 |
| 126 | }; |
| 127 | |
| 128 | msg[3] = cause; |
| 129 | msg[6] = nsvci / 256; |
| 130 | msg[7] = nsvci % 256; |
| 131 | msg[10] = nsei / 256; |
| 132 | msg[11] = nsei % 256; |
| 133 | |
| 134 | gprs_process_message(nsi, "RESET", src_addr, msg, sizeof(msg)); |
| 135 | } |
| 136 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 137 | static void send_ns_reset_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 138 | uint16_t nsvci, uint16_t nsei) |
| 139 | { |
| 140 | /* GPRS Network Service, PDU type: NS_RESET_ACK, |
| 141 | */ |
| 142 | unsigned char msg[9] = { |
| 143 | 0x03, 0x01, 0x82, 0x11, 0x22, |
| 144 | 0x04, 0x82, 0x11, 0x22 |
| 145 | }; |
| 146 | |
| 147 | msg[3] = nsvci / 256; |
| 148 | msg[4] = nsvci % 256; |
| 149 | msg[7] = nsei / 256; |
| 150 | msg[8] = nsei % 256; |
| 151 | |
| 152 | gprs_process_message(nsi, "RESET_ACK", src_addr, msg, sizeof(msg)); |
| 153 | } |
| 154 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 155 | static void send_ns_alive(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 156 | { |
| 157 | /* GPRS Network Service, PDU type: NS_ALIVE */ |
| 158 | unsigned char msg[1] = { |
| 159 | 0x0a |
| 160 | }; |
| 161 | |
| 162 | gprs_process_message(nsi, "ALIVE", src_addr, msg, sizeof(msg)); |
| 163 | } |
| 164 | |
| 165 | static void send_ns_alive_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 166 | { |
| 167 | /* GPRS Network Service, PDU type: NS_ALIVE_ACK */ |
| 168 | unsigned char msg[1] = { |
| 169 | 0x0b |
| 170 | }; |
| 171 | |
| 172 | gprs_process_message(nsi, "ALIVE_ACK", src_addr, msg, sizeof(msg)); |
| 173 | } |
| 174 | |
| 175 | static void send_ns_unblock(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 176 | { |
| 177 | /* GPRS Network Service, PDU type: NS_UNBLOCK */ |
| 178 | unsigned char msg[1] = { |
| 179 | 0x06 |
| 180 | }; |
| 181 | |
| 182 | gprs_process_message(nsi, "UNBLOCK", src_addr, msg, sizeof(msg)); |
| 183 | } |
| 184 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 185 | static void send_ns_unblock_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 186 | { |
| 187 | /* GPRS Network Service, PDU type: NS_UNBLOCK_ACK */ |
| 188 | unsigned char msg[1] = { |
| 189 | 0x07 |
| 190 | }; |
| 191 | |
| 192 | gprs_process_message(nsi, "UNBLOCK_ACK", src_addr, msg, sizeof(msg)); |
| 193 | } |
| 194 | |
| 195 | static void send_ns_unitdata(struct gprs_ns_inst *nsi, const char *text, |
| 196 | struct sockaddr_in *src_addr, uint16_t nsbvci, |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 197 | const unsigned char *bssgp_msg, size_t bssgp_msg_size) |
| 198 | { |
| 199 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 200 | unsigned char msg[4096] = { |
| 201 | 0x00, 0x00, 0x00, 0x00 |
| 202 | }; |
| 203 | |
| 204 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg) - 4); |
| 205 | |
| 206 | msg[2] = nsbvci / 256; |
| 207 | msg[3] = nsbvci % 256; |
| 208 | memcpy(msg + 4, bssgp_msg, bssgp_msg_size); |
| 209 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 210 | gprs_process_message(nsi, text ? text : "UNITDATA", src_addr, msg, bssgp_msg_size + 4); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 211 | } |
| 212 | |
| 213 | static void send_bssgp_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 214 | uint16_t bvci) |
| 215 | { |
| 216 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 217 | * BSSGP RESET */ |
| 218 | unsigned char msg[22] = { |
| 219 | 0x22, 0x04, 0x82, 0x4a, |
Jacob Erlbeck | 3f08632 | 2014-06-02 10:48:59 +0200 | [diff] [blame] | 220 | 0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x11, 0x22, |
| 221 | 0x33, 0x40, 0x50, 0x60, 0x10, 0x00 |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 222 | }; |
| 223 | |
| 224 | msg[3] = bvci / 256; |
| 225 | msg[4] = bvci % 256; |
| 226 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 227 | send_ns_unitdata(nsi, "BVC_RESET", src_addr, 0, msg, sizeof(msg)); |
| 228 | } |
| 229 | |
| 230 | static void send_bssgp_reset_ack(struct gprs_ns_inst *nsi, |
| 231 | struct sockaddr_in *src_addr, uint16_t bvci) |
| 232 | { |
| 233 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 234 | * BSSGP RESET_ACK */ |
| 235 | static unsigned char msg[5] = { |
| 236 | 0x23, 0x04, 0x82, 0x00, |
| 237 | 0x00 |
| 238 | }; |
| 239 | |
| 240 | msg[3] = bvci / 256; |
| 241 | msg[4] = bvci % 256; |
| 242 | |
| 243 | send_ns_unitdata(nsi, "BVC_RESET_ACK", src_addr, 0, msg, sizeof(msg)); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 244 | } |
| 245 | |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 246 | static void send_bssgp_suspend(struct gprs_ns_inst *nsi, |
| 247 | struct sockaddr_in *src_addr, |
| 248 | struct gprs_ra_id *raid) |
| 249 | { |
| 250 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 251 | unsigned char msg[15] = { |
| 252 | 0x0b, 0x1f, 0x84, 0xcc, 0xd1, 0x75, 0x8b, 0x1b, |
| 253 | 0x86, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60 |
| 254 | }; |
| 255 | |
| 256 | gsm48_construct_ra(msg + 9, raid); |
| 257 | |
| 258 | send_ns_unitdata(nsi, "BVC_SUSPEND", src_addr, 0, msg, sizeof(msg)); |
| 259 | } |
| 260 | |
| 261 | static void send_bssgp_suspend_ack(struct gprs_ns_inst *nsi, |
| 262 | struct sockaddr_in *src_addr, |
| 263 | struct gprs_ra_id *raid) |
| 264 | { |
| 265 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND ACK */ |
| 266 | unsigned char msg[18] = { |
| 267 | 0x0c, 0x1f, 0x84, 0xcc, 0xd1, 0x75, 0x8b, 0x1b, |
| 268 | 0x86, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, 0x1d, |
| 269 | 0x81, 0x01 |
| 270 | }; |
| 271 | |
| 272 | gsm48_construct_ra(msg + 9, raid); |
| 273 | |
| 274 | send_ns_unitdata(nsi, "BVC_SUSPEND_ACK", src_addr, 0, msg, sizeof(msg)); |
| 275 | } |
| 276 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 277 | static void setup_ns(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 278 | uint16_t nsvci, uint16_t nsei) |
| 279 | { |
| 280 | printf("Setup NS-VC: remote 0x%08x:%d, " |
| 281 | "NSVCI 0x%04x(%d), NSEI 0x%04x(%d)\n\n", |
| 282 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 283 | nsvci, nsvci, nsei, nsei); |
| 284 | |
| 285 | send_ns_reset(nsi, src_addr, NS_CAUSE_OM_INTERVENTION, nsvci, nsei); |
| 286 | send_ns_alive(nsi, src_addr); |
| 287 | send_ns_unblock(nsi, src_addr); |
| 288 | send_ns_alive_ack(nsi, src_addr); |
| 289 | } |
| 290 | |
| 291 | static void setup_bssgp(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 292 | uint16_t bvci) |
| 293 | { |
| 294 | printf("Setup BSSGP: remote 0x%08x:%d, " |
| 295 | "BVCI 0x%04x(%d)\n\n", |
| 296 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 297 | bvci, bvci); |
| 298 | |
| 299 | send_bssgp_reset(nsi, src_addr, bvci); |
| 300 | } |
| 301 | |
Jacob Erlbeck | 738b1c8 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 302 | static void connect_sgsn(struct gprs_ns_inst *nsi, struct sockaddr_in *sgsn_peer) |
| 303 | { |
| 304 | gprs_ns_nsip_connect(nsi, sgsn_peer, SGSN_NSEI, SGSN_NSEI+1); |
| 305 | send_ns_reset_ack(nsi, sgsn_peer, SGSN_NSEI+1, SGSN_NSEI); |
| 306 | send_ns_alive_ack(nsi, sgsn_peer); |
| 307 | send_ns_unblock_ack(nsi, sgsn_peer); |
| 308 | send_ns_alive(nsi, sgsn_peer); |
| 309 | } |
| 310 | |
Holger Hans Peter Freyther | 731097d | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 311 | static void configure_sgsn_peer(struct sockaddr_in *sgsn_peer) |
| 312 | { |
| 313 | sgsn_peer->sin_family = AF_INET; |
| 314 | sgsn_peer->sin_port = htons(32000); |
| 315 | sgsn_peer->sin_addr.s_addr = htonl(REMOTE_SGSN_ADDR); |
| 316 | } |
| 317 | |
| 318 | static void configure_bss_peers(struct sockaddr_in *bss_peers, size_t size) |
| 319 | { |
| 320 | size_t i; |
| 321 | |
| 322 | for (i = 0; i < size; ++i) { |
| 323 | bss_peers[i].sin_family = AF_INET; |
| 324 | bss_peers[i].sin_port = htons((i + 1) * 1111); |
| 325 | bss_peers[i].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR); |
| 326 | } |
| 327 | } |
| 328 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 329 | int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg, |
| 330 | struct sockaddr_in *saddr, enum gprs_ns_ll ll); |
| 331 | |
| 332 | /* override */ |
| 333 | int gprs_ns_callback(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, |
| 334 | struct msgb *msg, uint16_t bvci) |
| 335 | { |
| 336 | printf("CALLBACK, event %d, msg length %d, bvci 0x%04x\n%s\n\n", |
| 337 | event, msgb_bssgp_len(msg), bvci, |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 338 | osmo_hexdump(msgb_l2(msg), msgb_l2len(msg))); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 339 | |
| 340 | switch (event) { |
| 341 | case GPRS_NS_EVT_UNIT_DATA: |
Jacob Erlbeck | e48c347 | 2013-10-15 12:00:27 +0200 | [diff] [blame] | 342 | return gbprox_rcvmsg(msg, nsvc->nsei, bvci, nsvc->nsvci); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 343 | default: |
| 344 | break; |
| 345 | } |
| 346 | return 0; |
| 347 | } |
| 348 | |
| 349 | /* override */ |
| 350 | ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, |
| 351 | const struct sockaddr *dest_addr, socklen_t addrlen) |
| 352 | { |
| 353 | typedef ssize_t (*sendto_t)(int, const void *, size_t, int, |
| 354 | const struct sockaddr *, socklen_t); |
| 355 | static sendto_t real_sendto = NULL; |
| 356 | uint32_t dest_host = htonl(((struct sockaddr_in *)dest_addr)->sin_addr.s_addr); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 357 | int dest_port = htons(((struct sockaddr_in *)dest_addr)->sin_port); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 358 | |
| 359 | if (!real_sendto) |
| 360 | real_sendto = dlsym(RTLD_NEXT, "sendto"); |
| 361 | |
| 362 | if (dest_host == REMOTE_BSS_ADDR) |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 363 | printf("MESSAGE to BSS at 0x%08x:%d, msg length %d\n%s\n\n", |
| 364 | dest_host, dest_port, |
| 365 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 366 | else if (dest_host == REMOTE_SGSN_ADDR) |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 367 | printf("MESSAGE to SGSN at 0x%08x:%d, msg length %d\n%s\n\n", |
| 368 | dest_host, dest_port, |
| 369 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 370 | else |
| 371 | return real_sendto(sockfd, buf, len, flags, dest_addr, addrlen); |
| 372 | |
| 373 | return len; |
| 374 | } |
| 375 | |
| 376 | /* override */ |
| 377 | int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg) |
| 378 | { |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 379 | typedef int (*gprs_ns_sendmsg_t)(struct gprs_ns_inst *nsi, struct msgb *msg); |
| 380 | static gprs_ns_sendmsg_t real_gprs_ns_sendmsg = NULL; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 381 | uint16_t bvci = msgb_bvci(msg); |
| 382 | uint16_t nsei = msgb_nsei(msg); |
| 383 | |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 384 | size_t len = msgb_length(msg); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 385 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 386 | if (!real_gprs_ns_sendmsg) |
| 387 | real_gprs_ns_sendmsg = dlsym(RTLD_NEXT, "gprs_ns_sendmsg"); |
| 388 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 389 | if (nsei == SGSN_NSEI) |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 390 | printf("NS UNITDATA MESSAGE to SGSN, BVCI 0x%04x, " |
| 391 | "msg length %d (%s)\n", |
| 392 | bvci, len, __func__); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 393 | else |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 394 | printf("NS UNITDATA MESSAGE to BSS, BVCI 0x%04x, " |
| 395 | "msg length %d (%s)\n", |
| 396 | bvci, len, __func__); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 397 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 398 | return real_gprs_ns_sendmsg(nsi, msg); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 399 | } |
| 400 | |
| 401 | static void dump_rate_ctr_group(FILE *stream, const char *prefix, |
| 402 | struct rate_ctr_group *ctrg) |
| 403 | { |
| 404 | unsigned int i; |
| 405 | |
| 406 | for (i = 0; i < ctrg->desc->num_ctr; i++) { |
| 407 | struct rate_ctr *ctr = &ctrg->ctr[i]; |
| 408 | if (ctr->current && !strchr(ctrg->desc->ctr_desc[i].name, '.')) |
| 409 | fprintf(stream, " %s%s: %llu%s", |
| 410 | prefix, ctrg->desc->ctr_desc[i].description, |
| 411 | (long long)ctr->current, |
| 412 | "\n"); |
| 413 | }; |
| 414 | } |
| 415 | |
| 416 | /* Signal handler for signals from NS layer */ |
| 417 | static int test_signal(unsigned int subsys, unsigned int signal, |
| 418 | void *handler_data, void *signal_data) |
| 419 | { |
| 420 | struct ns_signal_data *nssd = signal_data; |
| 421 | int rc; |
| 422 | |
| 423 | if (subsys != SS_L_NS) |
| 424 | return 0; |
| 425 | |
| 426 | switch (signal) { |
| 427 | case S_NS_RESET: |
| 428 | printf("==> got signal NS_RESET, NS-VC 0x%04x/%s\n", |
| 429 | nssd->nsvc->nsvci, |
| 430 | gprs_ns_ll_str(nssd->nsvc)); |
| 431 | break; |
| 432 | |
| 433 | case S_NS_ALIVE_EXP: |
| 434 | printf("==> got signal NS_ALIVE_EXP, NS-VC 0x%04x/%s\n", |
| 435 | nssd->nsvc->nsvci, |
| 436 | gprs_ns_ll_str(nssd->nsvc)); |
| 437 | break; |
| 438 | |
| 439 | case S_NS_BLOCK: |
| 440 | printf("==> got signal NS_BLOCK, NS-VC 0x%04x/%s\n", |
| 441 | nssd->nsvc->nsvci, |
| 442 | gprs_ns_ll_str(nssd->nsvc)); |
| 443 | break; |
| 444 | |
| 445 | case S_NS_UNBLOCK: |
| 446 | printf("==> got signal NS_UNBLOCK, NS-VC 0x%04x/%s\n", |
| 447 | nssd->nsvc->nsvci, |
| 448 | gprs_ns_ll_str(nssd->nsvc)); |
| 449 | break; |
| 450 | |
| 451 | case S_NS_REPLACED: |
| 452 | printf("==> got signal NS_REPLACED: 0x%04x/%s", |
| 453 | nssd->nsvc->nsvci, |
| 454 | gprs_ns_ll_str(nssd->nsvc)); |
| 455 | printf(" -> 0x%04x/%s\n", |
| 456 | nssd->old_nsvc->nsvci, |
| 457 | gprs_ns_ll_str(nssd->old_nsvc)); |
| 458 | break; |
| 459 | |
| 460 | default: |
| 461 | printf("==> got signal %d, NS-VC 0x%04x/%s\n", signal, |
| 462 | nssd->nsvc->nsvci, |
| 463 | gprs_ns_ll_str(nssd->nsvc)); |
| 464 | break; |
| 465 | } |
| 466 | printf("\n"); |
| 467 | rc = gbprox_signal(subsys, signal, handler_data, signal_data); |
| 468 | return rc; |
| 469 | } |
| 470 | |
| 471 | 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) |
| 472 | { |
| 473 | struct msgb *msg; |
| 474 | int ret; |
| 475 | if (data_len > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) { |
| 476 | fprintf(stderr, "message too long: %d\n", data_len); |
| 477 | return -1; |
| 478 | } |
| 479 | |
| 480 | msg = gprs_ns_msgb_alloc(); |
| 481 | memmove(msg->data, data, data_len); |
| 482 | msg->l2h = msg->data; |
| 483 | msgb_put(msg, data_len); |
| 484 | |
| 485 | printf("PROCESSING %s from 0x%08x:%d\n%s\n\n", |
| 486 | text, ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 487 | osmo_hexdump(data, data_len)); |
| 488 | |
| 489 | ret = gprs_ns_rcvmsg(nsi, msg, peer, GPRS_NS_LL_UDP); |
| 490 | |
| 491 | printf("result (%s) = %d\n\n", text, ret); |
| 492 | |
| 493 | msgb_free(msg); |
| 494 | |
| 495 | return ret; |
| 496 | } |
| 497 | |
| 498 | static void gprs_dump_nsi(struct gprs_ns_inst *nsi) |
| 499 | { |
| 500 | struct gprs_nsvc *nsvc; |
| 501 | |
| 502 | printf("Current NS-VCIs:\n"); |
| 503 | llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) { |
| 504 | struct sockaddr_in *peer = &(nsvc->ip.bts_addr); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 505 | printf(" VCI 0x%04x, NSEI 0x%04x, peer 0x%08x:%d%s%s\n", |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 506 | nsvc->nsvci, nsvc->nsei, |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 507 | ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 508 | nsvc->state & NSE_S_BLOCKED ? ", blocked" : "", |
| 509 | nsvc->state & NSE_S_ALIVE ? "" : ", dead" |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 510 | ); |
| 511 | dump_rate_ctr_group(stdout, " ", nsvc->ctrg); |
| 512 | } |
| 513 | printf("\n"); |
| 514 | } |
| 515 | |
| 516 | static void test_gbproxy() |
| 517 | { |
| 518 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 519 | struct sockaddr_in bss_peer[4] = {{0},}; |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 520 | struct sockaddr_in sgsn_peer= {0}; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 521 | |
| 522 | bssgp_nsi = nsi; |
| 523 | gbcfg.nsi = bssgp_nsi; |
| 524 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 525 | |
Holger Hans Peter Freyther | 731097d | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 526 | configure_sgsn_peer(&sgsn_peer); |
| 527 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 528 | |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 529 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 530 | printf("--- Initialise SGSN ---\n\n"); |
| 531 | |
Jacob Erlbeck | 738b1c8 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 532 | connect_sgsn(nsi, &sgsn_peer); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 533 | gprs_dump_nsi(nsi); |
| 534 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 535 | printf("--- Initialise BSS 1 ---\n\n"); |
| 536 | |
| 537 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 538 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 539 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 540 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 541 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 542 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 543 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 544 | printf("--- Initialise BSS 2 ---\n\n"); |
| 545 | |
| 546 | setup_ns(nsi, &bss_peer[1], 0x2001, 0x2000); |
| 547 | setup_bssgp(nsi, &bss_peer[1], 0x2002); |
| 548 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 549 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 550 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 551 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x2002); |
| 552 | |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 553 | printf("--- Move BSS 1 to new port ---\n\n"); |
| 554 | |
| 555 | setup_ns(nsi, &bss_peer[2], 0x1001, 0x1000); |
| 556 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 557 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 558 | |
| 559 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 560 | |
| 561 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 562 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 563 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 564 | |
| 565 | printf("--- Move BSS 1 to current BSS 2 port ---\n\n"); |
| 566 | |
| 567 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 568 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 569 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 570 | |
| 571 | printf("--- Move BSS 2 to new port ---\n\n"); |
| 572 | |
| 573 | setup_ns(nsi, &bss_peer[3], 0x2001, 0x2000); |
| 574 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 575 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 576 | |
| 577 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 578 | |
| 579 | setup_ns(nsi, &bss_peer[2], 0x2001, 0x2000); |
| 580 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 581 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 582 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 583 | printf("--- Move BSS 1 to original BSS 1 port ---\n\n"); |
| 584 | |
| 585 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 586 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 587 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 588 | |
| 589 | printf("--- Reset BSS 1 with a new BVCI ---\n\n"); |
| 590 | |
| 591 | setup_bssgp(nsi, &bss_peer[0], 0x1012); |
| 592 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 593 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 594 | |
| 595 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1012); |
| 596 | |
| 597 | printf("--- Reset BSS 1 with the old BVCI ---\n\n"); |
| 598 | |
| 599 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 600 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 601 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 602 | |
| 603 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 604 | |
| 605 | printf("--- Reset BSS 1 with the old BVCI again ---\n\n"); |
| 606 | |
| 607 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 608 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 609 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 610 | |
| 611 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 612 | |
| 613 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1012 ---\n\n"); |
| 614 | |
| 615 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 616 | |
| 617 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1012 ---\n\n"); |
| 618 | |
| 619 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 620 | |
| 621 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 622 | |
| 623 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 624 | |
| 625 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 626 | |
| 627 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 628 | |
| 629 | printf("--- Send message from BSS 2 to SGSN, BVCI 0x2002 ---\n\n"); |
| 630 | |
| 631 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x2002, (uint8_t *)"", 0); |
| 632 | |
| 633 | printf("--- Send message from SGSN to BSS 2, BVCI 0x2002 ---\n\n"); |
| 634 | |
| 635 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x2002, (uint8_t *)"", 0); |
| 636 | |
| 637 | printf("--- Reset BSS 1 with the old BVCI on BSS2's link ---\n\n"); |
| 638 | |
| 639 | setup_bssgp(nsi, &bss_peer[2], 0x1002); |
| 640 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 641 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 642 | |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 643 | gbprox_dump_global(stdout, 0); |
Jacob Erlbeck | cc4a2aa | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 644 | |
Jacob Erlbeck | 4501772 | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 645 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 646 | |
| 647 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 648 | |
| 649 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 650 | |
| 651 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 652 | |
| 653 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 654 | |
Jacob Erlbeck | cc4a2aa | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 655 | printf("--- Send message from SGSN to BSS 1, BVCI 0x10ff (invalid) ---\n\n"); |
| 656 | |
| 657 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x10ff, (uint8_t *)"", 0); |
| 658 | |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 659 | gbprox_dump_global(stdout, 0); |
Jacob Erlbeck | cc4a2aa | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 660 | |
Holger Hans Peter Freyther | a927987 | 2014-07-07 19:22:02 +0200 | [diff] [blame] | 661 | gbprox_reset(); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 662 | gprs_ns_destroy(nsi); |
| 663 | nsi = NULL; |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 664 | } |
| 665 | |
| 666 | static void test_gbproxy_ident_changes() |
| 667 | { |
| 668 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 669 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 670 | struct sockaddr_in sgsn_peer= {0}; |
| 671 | uint16_t nsei[2] = {0x1000, 0x2000}; |
| 672 | uint16_t nsvci[2] = {0x1001, 0x2001}; |
| 673 | uint16_t bvci[4] = {0x1002, 0x2002, 0x3002, 0x4002}; |
| 674 | |
| 675 | bssgp_nsi = nsi; |
| 676 | gbcfg.nsi = bssgp_nsi; |
| 677 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 678 | |
Holger Hans Peter Freyther | 731097d | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 679 | configure_sgsn_peer(&sgsn_peer); |
| 680 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 681 | |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 682 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 683 | printf("--- Initialise SGSN ---\n\n"); |
| 684 | |
Jacob Erlbeck | 738b1c8 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 685 | connect_sgsn(nsi, &sgsn_peer); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 686 | gprs_dump_nsi(nsi); |
| 687 | |
| 688 | printf("--- Initialise BSS 1 ---\n\n"); |
| 689 | |
| 690 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[0]); |
| 691 | gprs_dump_nsi(nsi); |
| 692 | |
| 693 | printf("--- Setup BVCI 1 ---\n\n"); |
| 694 | |
| 695 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 696 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 697 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 698 | |
| 699 | printf("--- Setup BVCI 2 ---\n\n"); |
| 700 | |
| 701 | setup_bssgp(nsi, &bss_peer[0], bvci[1]); |
| 702 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[1]); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 703 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 704 | |
| 705 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 706 | |
| 707 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 708 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 709 | |
| 710 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 ---\n\n"); |
| 711 | |
| 712 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
| 713 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
| 714 | |
| 715 | printf("--- Change NSEI ---\n\n"); |
| 716 | |
| 717 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[1]); |
| 718 | gprs_dump_nsi(nsi); |
| 719 | |
| 720 | printf("--- Setup BVCI 1 ---\n\n"); |
| 721 | |
| 722 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 723 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 724 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 725 | |
| 726 | printf("--- Setup BVCI 3 ---\n\n"); |
| 727 | |
| 728 | setup_bssgp(nsi, &bss_peer[0], bvci[2]); |
| 729 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[2]); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 730 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 731 | |
| 732 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 733 | |
| 734 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 735 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 736 | |
| 737 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 738 | " (should fail) ---\n\n"); |
| 739 | |
| 740 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 741 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 742 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 743 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 744 | |
| 745 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 746 | |
| 747 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 748 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 749 | |
| 750 | printf("--- Change NSVCI ---\n\n"); |
| 751 | |
| 752 | setup_ns(nsi, &bss_peer[0], nsvci[1], nsei[1]); |
| 753 | gprs_dump_nsi(nsi); |
| 754 | |
| 755 | printf("--- Setup BVCI 1 ---\n\n"); |
| 756 | |
| 757 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 758 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 759 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 760 | |
| 761 | printf("--- Setup BVCI 4 ---\n\n"); |
| 762 | |
| 763 | setup_bssgp(nsi, &bss_peer[0], bvci[3]); |
| 764 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[3]); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 765 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 766 | |
| 767 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 768 | |
| 769 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 770 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 771 | |
| 772 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 773 | " (should fail) ---\n\n"); |
| 774 | |
| 775 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 776 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 777 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 778 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 779 | |
| 780 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 781 | |
| 782 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 783 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 784 | |
| 785 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 4 ---\n\n"); |
| 786 | |
| 787 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[3], (uint8_t *)"", 0); |
| 788 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[3], (uint8_t *)"", 0); |
| 789 | |
Jacob Erlbeck | eed33ef | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 790 | gbprox_dump_global(stdout, 0); |
| 791 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 792 | |
Holger Hans Peter Freyther | a927987 | 2014-07-07 19:22:02 +0200 | [diff] [blame] | 793 | gbprox_reset(); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 794 | gprs_ns_destroy(nsi); |
| 795 | nsi = NULL; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 796 | } |
| 797 | |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 798 | static void test_gbproxy_ra_patching() |
| 799 | { |
| 800 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 801 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 802 | struct sockaddr_in sgsn_peer= {0}; |
| 803 | struct gprs_ra_id rai_bss = |
| 804 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 805 | struct gprs_ra_id rai_sgsn = |
| 806 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 807 | struct gprs_ra_id rai_unknown = |
| 808 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
| 809 | |
| 810 | bssgp_nsi = nsi; |
| 811 | gbcfg.nsi = bssgp_nsi; |
| 812 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 813 | |
Holger Hans Peter Freyther | 731097d | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 814 | configure_sgsn_peer(&sgsn_peer); |
| 815 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 816 | |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 817 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 818 | printf("--- Initialise SGSN ---\n\n"); |
| 819 | |
| 820 | connect_sgsn(nsi, &sgsn_peer); |
| 821 | gprs_dump_nsi(nsi); |
| 822 | |
| 823 | printf("--- Initialise BSS 1 ---\n\n"); |
| 824 | |
| 825 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 826 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 827 | gprs_dump_nsi(nsi); |
| 828 | gbprox_dump_peers(stdout, 0); |
| 829 | |
| 830 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 831 | |
| 832 | send_bssgp_suspend(nsi, &bss_peer[0], &rai_bss); |
| 833 | send_bssgp_suspend_ack(nsi, &sgsn_peer, &rai_sgsn); |
| 834 | |
| 835 | gbprox_dump_global(stdout, 0); |
| 836 | gbprox_dump_peers(stdout, 0); |
| 837 | |
| 838 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 839 | |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 840 | send_ns_unitdata(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 841 | bssgp_attach_req, sizeof(bssgp_attach_req)); |
| 842 | |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 843 | send_ns_unitdata(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 844 | bssgp_attach_acc, sizeof(bssgp_attach_acc)); |
| 845 | |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 846 | send_ns_unitdata(nsi, "UPDATE REQ", &bss_peer[0], 0x1002, |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 847 | bssgp_ra_upd_req, sizeof(bssgp_ra_upd_req)); |
| 848 | |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 849 | send_ns_unitdata(nsi, "RA UPD ACC", &sgsn_peer, 0x1002, |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 850 | bssgp_ra_upd_acc, sizeof(bssgp_ra_upd_acc)); |
| 851 | |
| 852 | /* Replace APN */ |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 853 | send_ns_unitdata(nsi, "ACT PDP CTX REQ (REPLACE APN)", |
| 854 | &bss_peer[0], 0x1002, |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 855 | bssgp_act_pdp_ctx_req, sizeof(bssgp_act_pdp_ctx_req)); |
| 856 | |
| 857 | /* TODO: Re-configure to test APN IE removal */ |
| 858 | |
| 859 | /* Remove APN */ |
Jacob Erlbeck | 03a2ee2 | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 860 | send_ns_unitdata(nsi, "ACT PDP CTX REQ (REMOVE APN)", |
| 861 | &bss_peer[0], 0x1002, |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 862 | bssgp_act_pdp_ctx_req, sizeof(bssgp_act_pdp_ctx_req)); |
| 863 | |
| 864 | gbprox_dump_global(stdout, 0); |
| 865 | gbprox_dump_peers(stdout, 0); |
| 866 | |
| 867 | printf("--- Bad cases ---\n\n"); |
| 868 | |
| 869 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1eee); |
| 870 | send_bssgp_suspend_ack(nsi, &sgsn_peer, &rai_unknown); |
| 871 | |
| 872 | gbprox_dump_global(stdout, 0); |
| 873 | gbprox_dump_peers(stdout, 0); |
| 874 | |
Holger Hans Peter Freyther | a927987 | 2014-07-07 19:22:02 +0200 | [diff] [blame] | 875 | gbprox_reset(); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 876 | gprs_ns_destroy(nsi); |
| 877 | nsi = NULL; |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 878 | } |
| 879 | |
Jacob Erlbeck | b440bf8 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 880 | static struct log_info_cat gprs_categories[] = { |
| 881 | [DGPRS] = { |
| 882 | .name = "DGPRS", |
| 883 | .description = "GPRS Packet Service", |
| 884 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 885 | }, |
| 886 | [DNS] = { |
| 887 | .name = "DNS", |
| 888 | .description = "GPRS Network Service (NS)", |
| 889 | .enabled = 1, .loglevel = LOGL_INFO, |
| 890 | }, |
| 891 | [DBSSGP] = { |
| 892 | .name = "DBSSGP", |
| 893 | .description = "GPRS BSS Gateway Protocol (BSSGP)", |
| 894 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 895 | }, |
Holger Hans Peter Freyther | 8927642 | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 896 | }; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 897 | |
Holger Hans Peter Freyther | 8927642 | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 898 | static struct log_info info = { |
Jacob Erlbeck | b440bf8 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 899 | .cat = gprs_categories, |
| 900 | .num_cat = ARRAY_SIZE(gprs_categories), |
Holger Hans Peter Freyther | 8927642 | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 901 | }; |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 902 | |
| 903 | int main(int argc, char **argv) |
| 904 | { |
| 905 | osmo_init_logging(&info); |
| 906 | log_set_use_color(osmo_stderr_target, 0); |
| 907 | log_set_print_filename(osmo_stderr_target, 0); |
| 908 | osmo_signal_register_handler(SS_L_NS, &test_signal, NULL); |
| 909 | |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 910 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | b440bf8 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 911 | log_set_log_level(osmo_stderr_target, LOGL_DEBUG); |
| 912 | log_set_all_filter(osmo_stderr_target, 1); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 913 | |
| 914 | rate_ctr_init(NULL); |
| 915 | |
| 916 | setlinebuf(stdout); |
| 917 | |
| 918 | printf("===== GbProxy test START\n"); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 919 | test_gbproxy(); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 920 | test_gbproxy_ident_changes(); |
Jacob Erlbeck | eb3102e | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 921 | test_gbproxy_ra_patching(); |
Jacob Erlbeck | 67f03bd | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 922 | printf("===== GbProxy test END\n\n"); |
Jacob Erlbeck | 76fa57a | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 923 | |
| 924 | exit(EXIT_SUCCESS); |
| 925 | } |