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> |
| 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> |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 26 | #include <osmocom/gsm/tlv.h> |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 27 | #include <osmocom/gprs/gprs_msgb.h> |
| 28 | #include <osmocom/gprs/gprs_ns.h> |
| 29 | #include <osmocom/gprs/gprs_bssgp.h> |
| 30 | |
| 31 | #include <openbsc/gb_proxy.h> |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 32 | #include <openbsc/debug.h> |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 33 | |
| 34 | #define REMOTE_BSS_ADDR 0x01020304 |
| 35 | #define REMOTE_SGSN_ADDR 0x05060708 |
| 36 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 37 | #define SGSN_NSEI 0x0100 |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 38 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 39 | struct gbproxy_config gbcfg = {0}; |
| 40 | |
| 41 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - Attach Request */ |
| 42 | static const unsigned char bssgp_attach_req[75] = { |
| 43 | 0x01, 0xbb, 0xc5, 0x46, 0x79, 0x00, 0x00, 0x04, |
| 44 | 0x08, 0x88, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 45 | 0x75, 0x30, 0x00, 0x80, 0x0e, 0x00, 0x34, 0x01, |
| 46 | 0xc0, 0x01, 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, |
| 47 | 0x08, 0x02, 0x05, 0xf4, 0xfb, 0xc5, 0x46, 0x79, |
| 48 | 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, |
| 49 | 0xb3, 0x43, 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, |
| 50 | 0x80, 0x9a, 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, |
| 51 | 0xba, 0xc8, 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, |
| 52 | 0x16, 0x6d, 0x01 |
| 53 | }; |
| 54 | |
| 55 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - Attach Accept */ |
| 56 | static const unsigned char bssgp_attach_acc[88] = { |
| 57 | 0x00, 0xbb, 0xc5, 0x46, 0x79, 0x00, 0x50, 0x20, |
| 58 | 0x16, 0x82, 0x02, 0x58, 0x13, 0x99, 0x18, 0xb3, |
| 59 | 0x43, 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, |
| 60 | 0x9a, 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, |
| 61 | 0xc8, 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, 0x0a, |
| 62 | 0x82, 0x08, 0x02, 0x0d, 0x88, 0x11, 0x12, 0x13, |
| 63 | 0x14, 0x15, 0x16, 0x17, 0x18, 0x00, 0x81, 0x00, |
| 64 | 0x0e, 0x9e, 0x41, 0xc0, 0x05, 0x08, 0x02, 0x01, |
| 65 | 0x49, 0x04, 0x21, 0x63, 0x54, 0x40, 0x50, 0x60, |
| 66 | 0x19, 0xcd, 0xd7, 0x08, 0x17, 0x16, 0x18, 0x05, |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 67 | 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x42, 0x67, 0x9a |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 68 | }; |
| 69 | |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 70 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - GMM Information */ |
| 71 | static const unsigned char bssgp_gmm_information[66] = { |
| 72 | 0x00, 0xef, 0xe2, 0xb7, 0x00, 0x00, 0x50, 0x20, |
| 73 | 0x16, 0x82, 0x02, 0x58, 0x13, 0x99, 0x18, 0xb3, |
| 74 | 0x43, 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, |
| 75 | 0x9a, 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, |
| 76 | 0xc8, 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, 0x0a, |
| 77 | 0x82, 0x08, 0x02, 0x0d, 0x88, 0x11, 0x12, 0x13, |
| 78 | 0x14, 0x15, 0x16, 0x17, 0x18, 0x00, 0x81, 0x00, |
| 79 | 0x0e, 0x88, 0x41, 0xc0, 0x09, 0x08, 0x21, 0x04, |
| 80 | 0xba, 0x3d |
| 81 | }; |
| 82 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 83 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - Routing Area Update Request */ |
| 84 | static const unsigned char bssgp_ra_upd_req[85] = { |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 85 | 0x01, 0xbb, 0xc5, 0x46, 0x79, 0x00, 0x00, 0x04, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 86 | 0x08, 0x88, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 87 | 0x70, 0x80, 0x00, 0x80, 0x0e, 0x00, 0x3e, 0x01, |
| 88 | 0xc0, 0x15, 0x08, 0x08, 0x10, 0x11, 0x22, 0x33, |
| 89 | 0x40, 0x50, 0x60, 0x1d, 0x19, 0x13, 0x42, 0x33, |
| 90 | 0x57, 0x2b, 0xf7, 0xc8, 0x48, 0x02, 0x13, 0x48, |
| 91 | 0x50, 0xc8, 0x48, 0x02, 0x14, 0x48, 0x50, 0xc8, |
| 92 | 0x48, 0x02, 0x17, 0x49, 0x10, 0xc8, 0x48, 0x02, |
| 93 | 0x00, 0x19, 0x8b, 0xb2, 0x92, 0x17, 0x16, 0x27, |
| 94 | 0x07, 0x04, 0x31, 0x02, 0xe5, 0xe0, 0x32, 0x02, |
| 95 | 0x20, 0x00, 0x96, 0x3e, 0x97 |
| 96 | }; |
| 97 | |
| 98 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - Routing Area Update Accept */ |
| 99 | static const unsigned char bssgp_ra_upd_acc[91] = { |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 100 | 0x00, 0xbb, 0xc5, 0x46, 0x79, 0x00, 0x50, 0x20, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 101 | 0x16, 0x82, 0x02, 0x58, 0x13, 0x9d, 0x19, 0x13, |
| 102 | 0x42, 0x33, 0x57, 0x2b, 0xf7, 0xc8, 0x48, 0x02, |
| 103 | 0x13, 0x48, 0x50, 0xc8, 0x48, 0x02, 0x14, 0x48, |
| 104 | 0x50, 0xc8, 0x48, 0x02, 0x17, 0x49, 0x10, 0xc8, |
| 105 | 0x48, 0x02, 0x00, 0x0a, 0x82, 0x07, 0x04, 0x0d, |
| 106 | 0x88, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 107 | 0x18, 0x00, 0x81, 0x00, 0x0e, 0x9d, 0x41, 0xc0, |
| 108 | 0x19, 0x08, 0x09, 0x00, 0x49, 0x21, 0x63, 0x54, |
| 109 | 0x40, 0x50, 0x60, 0x19, 0x54, 0xab, 0xb3, 0x18, |
| 110 | 0x05, 0xf4, 0xef, 0xe2, 0x81, 0x17, 0x17, 0x16, |
| 111 | 0xc3, 0xbf, 0xcc |
| 112 | }; |
| 113 | |
| 114 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - Activate PDP Context Request */ |
| 115 | static const unsigned char bssgp_act_pdp_ctx_req[76] = { |
| 116 | 0x01, 0xef, 0xe2, 0xb7, 0x00, 0x00, 0x00, 0x04, |
| 117 | 0x08, 0x88, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 118 | 0x75, 0x30, 0x00, 0x80, 0x0e, 0x00, 0x35, 0x01, |
| 119 | 0xc0, 0x0d, 0x0a, 0x41, 0x05, 0x03, 0x0c, 0x00, |
| 120 | 0x00, 0x1f, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 121 | 0x00, 0x00, 0x00, 0x02, 0x01, 0x21, 0x28, 0x03, |
| 122 | 0x02, 0x61, 0x62, 0x27, 0x14, 0x80, 0x80, 0x21, |
| 123 | 0x10, 0x01, 0x00, 0x00, 0x10, 0x81, 0x06, 0x00, |
| 124 | 0x00, 0x00, 0x00, 0x83, 0x06, 0x00, 0x00, 0x00, |
| 125 | 0x00, 0x5a, 0xff, 0x02 |
| 126 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 127 | |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 128 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - Detach Request */ |
| 129 | static const unsigned char bssgp_detach_req[44] = { |
| 130 | 0x01, 0xef, 0xe2, 0xb7, 0x00, 0x00, 0x00, 0x04, |
| 131 | 0x08, 0x88, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, |
| 132 | 0x75, 0x30, 0x00, 0x80, 0x0e, 0x00, 0x15, 0x01, |
| 133 | 0xc0, 0x19, 0x08, 0x05, 0x01, 0x18, 0x05, 0xf4, |
| 134 | 0xef, 0xe2, 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, |
| 135 | 0xcb, 0x7e, 0xe1, 0x41 |
| 136 | }; |
| 137 | |
| 138 | /* Base Station Subsystem GPRS Protocol: GSM A-I/F DTAP - Detach Accept */ |
| 139 | static const unsigned char bssgp_detach_acc[67] = { |
| 140 | 0x00, 0xef, 0xe2, 0xb7, 0x00, 0x00, 0x50, 0x20, |
| 141 | 0x16, 0x82, 0x02, 0x58, 0x13, 0x99, 0x18, 0xb3, |
| 142 | 0x43, 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, |
| 143 | 0x9a, 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, |
| 144 | 0xc8, 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, 0x0a, |
| 145 | 0x82, 0x08, 0x02, 0x0d, 0x88, 0x11, 0x12, 0x13, |
| 146 | 0x14, 0x15, 0x16, 0x17, 0x18, 0x00, 0x81, 0x00, |
| 147 | 0x0e, 0x89, 0x41, 0xc0, 0x15, 0x08, 0x06, 0x00, |
| 148 | 0xf7, 0x35, 0xf0 |
| 149 | }; |
| 150 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 151 | static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, |
| 152 | struct sockaddr_in *peer, const unsigned char* data, |
| 153 | size_t data_len); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 154 | |
| 155 | static void send_ns_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 156 | enum ns_cause cause, uint16_t nsvci, uint16_t nsei) |
| 157 | { |
| 158 | /* GPRS Network Service, PDU type: NS_RESET, |
| 159 | */ |
| 160 | unsigned char msg[12] = { |
| 161 | 0x02, 0x00, 0x81, 0x01, 0x01, 0x82, 0x11, 0x22, |
| 162 | 0x04, 0x82, 0x11, 0x22 |
| 163 | }; |
| 164 | |
| 165 | msg[3] = cause; |
| 166 | msg[6] = nsvci / 256; |
| 167 | msg[7] = nsvci % 256; |
| 168 | msg[10] = nsei / 256; |
| 169 | msg[11] = nsei % 256; |
| 170 | |
| 171 | gprs_process_message(nsi, "RESET", src_addr, msg, sizeof(msg)); |
| 172 | } |
| 173 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 174 | static void send_ns_reset_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 175 | uint16_t nsvci, uint16_t nsei) |
| 176 | { |
| 177 | /* GPRS Network Service, PDU type: NS_RESET_ACK, |
| 178 | */ |
| 179 | unsigned char msg[9] = { |
| 180 | 0x03, 0x01, 0x82, 0x11, 0x22, |
| 181 | 0x04, 0x82, 0x11, 0x22 |
| 182 | }; |
| 183 | |
| 184 | msg[3] = nsvci / 256; |
| 185 | msg[4] = nsvci % 256; |
| 186 | msg[7] = nsei / 256; |
| 187 | msg[8] = nsei % 256; |
| 188 | |
| 189 | gprs_process_message(nsi, "RESET_ACK", src_addr, msg, sizeof(msg)); |
| 190 | } |
| 191 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 192 | static void send_ns_alive(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 193 | { |
| 194 | /* GPRS Network Service, PDU type: NS_ALIVE */ |
| 195 | unsigned char msg[1] = { |
| 196 | 0x0a |
| 197 | }; |
| 198 | |
| 199 | gprs_process_message(nsi, "ALIVE", src_addr, msg, sizeof(msg)); |
| 200 | } |
| 201 | |
| 202 | static void send_ns_alive_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 203 | { |
| 204 | /* GPRS Network Service, PDU type: NS_ALIVE_ACK */ |
| 205 | unsigned char msg[1] = { |
| 206 | 0x0b |
| 207 | }; |
| 208 | |
| 209 | gprs_process_message(nsi, "ALIVE_ACK", src_addr, msg, sizeof(msg)); |
| 210 | } |
| 211 | |
| 212 | static void send_ns_unblock(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 213 | { |
| 214 | /* GPRS Network Service, PDU type: NS_UNBLOCK */ |
| 215 | unsigned char msg[1] = { |
| 216 | 0x06 |
| 217 | }; |
| 218 | |
| 219 | gprs_process_message(nsi, "UNBLOCK", src_addr, msg, sizeof(msg)); |
| 220 | } |
| 221 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 222 | static void send_ns_unblock_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr) |
| 223 | { |
| 224 | /* GPRS Network Service, PDU type: NS_UNBLOCK_ACK */ |
| 225 | unsigned char msg[1] = { |
| 226 | 0x07 |
| 227 | }; |
| 228 | |
| 229 | gprs_process_message(nsi, "UNBLOCK_ACK", src_addr, msg, sizeof(msg)); |
| 230 | } |
| 231 | |
| 232 | static void send_ns_unitdata(struct gprs_ns_inst *nsi, const char *text, |
| 233 | struct sockaddr_in *src_addr, uint16_t nsbvci, |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 234 | const unsigned char *bssgp_msg, size_t bssgp_msg_size) |
| 235 | { |
| 236 | /* GPRS Network Service, PDU type: NS_UNITDATA */ |
| 237 | unsigned char msg[4096] = { |
| 238 | 0x00, 0x00, 0x00, 0x00 |
| 239 | }; |
| 240 | |
| 241 | OSMO_ASSERT(bssgp_msg_size <= sizeof(msg) - 4); |
| 242 | |
| 243 | msg[2] = nsbvci / 256; |
| 244 | msg[3] = nsbvci % 256; |
| 245 | memcpy(msg + 4, bssgp_msg, bssgp_msg_size); |
| 246 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 247 | 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] | 248 | } |
| 249 | |
| 250 | static void send_bssgp_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 251 | uint16_t bvci) |
| 252 | { |
| 253 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 254 | * BSSGP RESET */ |
| 255 | unsigned char msg[22] = { |
| 256 | 0x22, 0x04, 0x82, 0x4a, |
Jacob Erlbeck | def0391 | 2014-06-02 10:48:59 +0200 | [diff] [blame] | 257 | 0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x11, 0x22, |
| 258 | 0x33, 0x40, 0x50, 0x60, 0x10, 0x00 |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 259 | }; |
| 260 | |
| 261 | msg[3] = bvci / 256; |
| 262 | msg[4] = bvci % 256; |
| 263 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 264 | send_ns_unitdata(nsi, "BVC_RESET", src_addr, 0, msg, sizeof(msg)); |
| 265 | } |
| 266 | |
| 267 | static void send_bssgp_reset_ack(struct gprs_ns_inst *nsi, |
| 268 | struct sockaddr_in *src_addr, uint16_t bvci) |
| 269 | { |
| 270 | /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0 |
| 271 | * BSSGP RESET_ACK */ |
| 272 | static unsigned char msg[5] = { |
| 273 | 0x23, 0x04, 0x82, 0x00, |
| 274 | 0x00 |
| 275 | }; |
| 276 | |
| 277 | msg[3] = bvci / 256; |
| 278 | msg[4] = bvci % 256; |
| 279 | |
| 280 | 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] | 281 | } |
| 282 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 283 | static void send_bssgp_suspend(struct gprs_ns_inst *nsi, |
| 284 | struct sockaddr_in *src_addr, |
| 285 | struct gprs_ra_id *raid) |
| 286 | { |
| 287 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND */ |
| 288 | unsigned char msg[15] = { |
| 289 | 0x0b, 0x1f, 0x84, 0xcc, 0xd1, 0x75, 0x8b, 0x1b, |
| 290 | 0x86, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60 |
| 291 | }; |
| 292 | |
| 293 | gsm48_construct_ra(msg + 9, raid); |
| 294 | |
| 295 | send_ns_unitdata(nsi, "BVC_SUSPEND", src_addr, 0, msg, sizeof(msg)); |
| 296 | } |
| 297 | |
| 298 | static void send_bssgp_suspend_ack(struct gprs_ns_inst *nsi, |
| 299 | struct sockaddr_in *src_addr, |
| 300 | struct gprs_ra_id *raid) |
| 301 | { |
| 302 | /* Base Station Subsystem GPRS Protocol, BSSGP SUSPEND ACK */ |
| 303 | unsigned char msg[18] = { |
| 304 | 0x0c, 0x1f, 0x84, 0xcc, 0xd1, 0x75, 0x8b, 0x1b, |
| 305 | 0x86, 0x11, 0x22, 0x33, 0x40, 0x50, 0x60, 0x1d, |
| 306 | 0x81, 0x01 |
| 307 | }; |
| 308 | |
| 309 | gsm48_construct_ra(msg + 9, raid); |
| 310 | |
| 311 | send_ns_unitdata(nsi, "BVC_SUSPEND_ACK", src_addr, 0, msg, sizeof(msg)); |
| 312 | } |
| 313 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 314 | static void setup_ns(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 315 | uint16_t nsvci, uint16_t nsei) |
| 316 | { |
| 317 | printf("Setup NS-VC: remote 0x%08x:%d, " |
| 318 | "NSVCI 0x%04x(%d), NSEI 0x%04x(%d)\n\n", |
| 319 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 320 | nsvci, nsvci, nsei, nsei); |
| 321 | |
| 322 | send_ns_reset(nsi, src_addr, NS_CAUSE_OM_INTERVENTION, nsvci, nsei); |
| 323 | send_ns_alive(nsi, src_addr); |
| 324 | send_ns_unblock(nsi, src_addr); |
| 325 | send_ns_alive_ack(nsi, src_addr); |
| 326 | } |
| 327 | |
| 328 | static void setup_bssgp(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr, |
| 329 | uint16_t bvci) |
| 330 | { |
| 331 | printf("Setup BSSGP: remote 0x%08x:%d, " |
| 332 | "BVCI 0x%04x(%d)\n\n", |
| 333 | ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port), |
| 334 | bvci, bvci); |
| 335 | |
| 336 | send_bssgp_reset(nsi, src_addr, bvci); |
| 337 | } |
| 338 | |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 339 | static void connect_sgsn(struct gprs_ns_inst *nsi, struct sockaddr_in *sgsn_peer) |
| 340 | { |
| 341 | gprs_ns_nsip_connect(nsi, sgsn_peer, SGSN_NSEI, SGSN_NSEI+1); |
| 342 | send_ns_reset_ack(nsi, sgsn_peer, SGSN_NSEI+1, SGSN_NSEI); |
| 343 | send_ns_alive_ack(nsi, sgsn_peer); |
| 344 | send_ns_unblock_ack(nsi, sgsn_peer); |
| 345 | send_ns_alive(nsi, sgsn_peer); |
| 346 | } |
| 347 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 348 | static void configure_sgsn_peer(struct sockaddr_in *sgsn_peer) |
| 349 | { |
| 350 | sgsn_peer->sin_family = AF_INET; |
| 351 | sgsn_peer->sin_port = htons(32000); |
| 352 | sgsn_peer->sin_addr.s_addr = htonl(REMOTE_SGSN_ADDR); |
| 353 | } |
| 354 | |
| 355 | static void configure_bss_peers(struct sockaddr_in *bss_peers, size_t size) |
| 356 | { |
| 357 | size_t i; |
| 358 | |
| 359 | for (i = 0; i < size; ++i) { |
| 360 | bss_peers[i].sin_family = AF_INET; |
| 361 | bss_peers[i].sin_port = htons((i + 1) * 1111); |
| 362 | bss_peers[i].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR); |
| 363 | } |
| 364 | } |
| 365 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 366 | int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg, |
| 367 | struct sockaddr_in *saddr, enum gprs_ns_ll ll); |
| 368 | |
| 369 | /* override */ |
| 370 | int gprs_ns_callback(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, |
| 371 | struct msgb *msg, uint16_t bvci) |
| 372 | { |
| 373 | printf("CALLBACK, event %d, msg length %d, bvci 0x%04x\n%s\n\n", |
| 374 | event, msgb_bssgp_len(msg), bvci, |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 375 | osmo_hexdump(msgb_l2(msg), msgb_l2len(msg))); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 376 | |
| 377 | switch (event) { |
| 378 | case GPRS_NS_EVT_UNIT_DATA: |
Jacob Erlbeck | e75fec6 | 2013-10-15 12:00:27 +0200 | [diff] [blame] | 379 | return gbprox_rcvmsg(msg, nsvc->nsei, bvci, nsvc->nsvci); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 380 | default: |
| 381 | break; |
| 382 | } |
| 383 | return 0; |
| 384 | } |
| 385 | |
| 386 | /* override */ |
| 387 | ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, |
| 388 | const struct sockaddr *dest_addr, socklen_t addrlen) |
| 389 | { |
| 390 | typedef ssize_t (*sendto_t)(int, const void *, size_t, int, |
| 391 | const struct sockaddr *, socklen_t); |
| 392 | static sendto_t real_sendto = NULL; |
| 393 | 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] | 394 | int dest_port = htons(((struct sockaddr_in *)dest_addr)->sin_port); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 395 | |
| 396 | if (!real_sendto) |
| 397 | real_sendto = dlsym(RTLD_NEXT, "sendto"); |
| 398 | |
| 399 | if (dest_host == REMOTE_BSS_ADDR) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 400 | printf("MESSAGE to BSS at 0x%08x:%d, msg length %d\n%s\n\n", |
| 401 | dest_host, dest_port, |
| 402 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 403 | else if (dest_host == REMOTE_SGSN_ADDR) |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 404 | printf("MESSAGE to SGSN at 0x%08x:%d, msg length %d\n%s\n\n", |
| 405 | dest_host, dest_port, |
| 406 | len, osmo_hexdump(buf, len)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 407 | else |
| 408 | return real_sendto(sockfd, buf, len, flags, dest_addr, addrlen); |
| 409 | |
| 410 | return len; |
| 411 | } |
| 412 | |
| 413 | /* override */ |
| 414 | int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg) |
| 415 | { |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 416 | typedef int (*gprs_ns_sendmsg_t)(struct gprs_ns_inst *nsi, struct msgb *msg); |
| 417 | static gprs_ns_sendmsg_t real_gprs_ns_sendmsg = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 418 | uint16_t bvci = msgb_bvci(msg); |
| 419 | uint16_t nsei = msgb_nsei(msg); |
| 420 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 421 | size_t len = msgb_length(msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 422 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 423 | if (!real_gprs_ns_sendmsg) |
| 424 | real_gprs_ns_sendmsg = dlsym(RTLD_NEXT, "gprs_ns_sendmsg"); |
| 425 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 426 | if (nsei == SGSN_NSEI) |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 427 | printf("NS UNITDATA MESSAGE to SGSN, BVCI 0x%04x, " |
| 428 | "msg length %d (%s)\n", |
| 429 | bvci, len, __func__); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 430 | else |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 431 | printf("NS UNITDATA MESSAGE to BSS, BVCI 0x%04x, " |
| 432 | "msg length %d (%s)\n", |
| 433 | bvci, len, __func__); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 434 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 435 | return real_gprs_ns_sendmsg(nsi, msg); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 436 | } |
| 437 | |
| 438 | static void dump_rate_ctr_group(FILE *stream, const char *prefix, |
| 439 | struct rate_ctr_group *ctrg) |
| 440 | { |
| 441 | unsigned int i; |
| 442 | |
| 443 | for (i = 0; i < ctrg->desc->num_ctr; i++) { |
| 444 | struct rate_ctr *ctr = &ctrg->ctr[i]; |
| 445 | if (ctr->current && !strchr(ctrg->desc->ctr_desc[i].name, '.')) |
| 446 | fprintf(stream, " %s%s: %llu%s", |
| 447 | prefix, ctrg->desc->ctr_desc[i].description, |
| 448 | (long long)ctr->current, |
| 449 | "\n"); |
| 450 | }; |
| 451 | } |
| 452 | |
| 453 | /* Signal handler for signals from NS layer */ |
| 454 | static int test_signal(unsigned int subsys, unsigned int signal, |
| 455 | void *handler_data, void *signal_data) |
| 456 | { |
| 457 | struct ns_signal_data *nssd = signal_data; |
| 458 | int rc; |
| 459 | |
| 460 | if (subsys != SS_L_NS) |
| 461 | return 0; |
| 462 | |
| 463 | switch (signal) { |
| 464 | case S_NS_RESET: |
| 465 | printf("==> got signal NS_RESET, NS-VC 0x%04x/%s\n", |
| 466 | nssd->nsvc->nsvci, |
| 467 | gprs_ns_ll_str(nssd->nsvc)); |
| 468 | break; |
| 469 | |
| 470 | case S_NS_ALIVE_EXP: |
| 471 | printf("==> got signal NS_ALIVE_EXP, NS-VC 0x%04x/%s\n", |
| 472 | nssd->nsvc->nsvci, |
| 473 | gprs_ns_ll_str(nssd->nsvc)); |
| 474 | break; |
| 475 | |
| 476 | case S_NS_BLOCK: |
| 477 | printf("==> got signal NS_BLOCK, NS-VC 0x%04x/%s\n", |
| 478 | nssd->nsvc->nsvci, |
| 479 | gprs_ns_ll_str(nssd->nsvc)); |
| 480 | break; |
| 481 | |
| 482 | case S_NS_UNBLOCK: |
| 483 | printf("==> got signal NS_UNBLOCK, NS-VC 0x%04x/%s\n", |
| 484 | nssd->nsvc->nsvci, |
| 485 | gprs_ns_ll_str(nssd->nsvc)); |
| 486 | break; |
| 487 | |
| 488 | case S_NS_REPLACED: |
| 489 | printf("==> got signal NS_REPLACED: 0x%04x/%s", |
| 490 | nssd->nsvc->nsvci, |
| 491 | gprs_ns_ll_str(nssd->nsvc)); |
| 492 | printf(" -> 0x%04x/%s\n", |
| 493 | nssd->old_nsvc->nsvci, |
| 494 | gprs_ns_ll_str(nssd->old_nsvc)); |
| 495 | break; |
| 496 | |
| 497 | default: |
| 498 | printf("==> got signal %d, NS-VC 0x%04x/%s\n", signal, |
| 499 | nssd->nsvc->nsvci, |
| 500 | gprs_ns_ll_str(nssd->nsvc)); |
| 501 | break; |
| 502 | } |
| 503 | printf("\n"); |
| 504 | rc = gbprox_signal(subsys, signal, handler_data, signal_data); |
| 505 | return rc; |
| 506 | } |
| 507 | |
| 508 | 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) |
| 509 | { |
| 510 | struct msgb *msg; |
| 511 | int ret; |
| 512 | if (data_len > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) { |
| 513 | fprintf(stderr, "message too long: %d\n", data_len); |
| 514 | return -1; |
| 515 | } |
| 516 | |
| 517 | msg = gprs_ns_msgb_alloc(); |
| 518 | memmove(msg->data, data, data_len); |
| 519 | msg->l2h = msg->data; |
| 520 | msgb_put(msg, data_len); |
| 521 | |
| 522 | printf("PROCESSING %s from 0x%08x:%d\n%s\n\n", |
| 523 | text, ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 524 | osmo_hexdump(data, data_len)); |
| 525 | |
| 526 | ret = gprs_ns_rcvmsg(nsi, msg, peer, GPRS_NS_LL_UDP); |
| 527 | |
| 528 | printf("result (%s) = %d\n\n", text, ret); |
| 529 | |
| 530 | msgb_free(msg); |
| 531 | |
| 532 | return ret; |
| 533 | } |
| 534 | |
| 535 | static void gprs_dump_nsi(struct gprs_ns_inst *nsi) |
| 536 | { |
| 537 | struct gprs_nsvc *nsvc; |
| 538 | |
| 539 | printf("Current NS-VCIs:\n"); |
| 540 | llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) { |
| 541 | struct sockaddr_in *peer = &(nsvc->ip.bts_addr); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 542 | 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] | 543 | nsvc->nsvci, nsvc->nsei, |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 544 | ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port), |
| 545 | nsvc->state & NSE_S_BLOCKED ? ", blocked" : "", |
| 546 | nsvc->state & NSE_S_ALIVE ? "" : ", dead" |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 547 | ); |
| 548 | dump_rate_ctr_group(stdout, " ", nsvc->ctrg); |
| 549 | } |
| 550 | printf("\n"); |
| 551 | } |
| 552 | |
| 553 | static void test_gbproxy() |
| 554 | { |
| 555 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 556 | struct sockaddr_in bss_peer[4] = {{0},}; |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 557 | struct sockaddr_in sgsn_peer= {0}; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 558 | |
| 559 | bssgp_nsi = nsi; |
| 560 | gbcfg.nsi = bssgp_nsi; |
| 561 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 562 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 563 | configure_sgsn_peer(&sgsn_peer); |
| 564 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 565 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 566 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 567 | printf("--- Initialise SGSN ---\n\n"); |
| 568 | |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 569 | connect_sgsn(nsi, &sgsn_peer); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 570 | gprs_dump_nsi(nsi); |
| 571 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 572 | printf("--- Initialise BSS 1 ---\n\n"); |
| 573 | |
| 574 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 575 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 576 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 577 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 578 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 579 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 580 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 581 | printf("--- Initialise BSS 2 ---\n\n"); |
| 582 | |
| 583 | setup_ns(nsi, &bss_peer[1], 0x2001, 0x2000); |
| 584 | setup_bssgp(nsi, &bss_peer[1], 0x2002); |
| 585 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 586 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 587 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 588 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x2002); |
| 589 | |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 590 | printf("--- Move BSS 1 to new port ---\n\n"); |
| 591 | |
| 592 | setup_ns(nsi, &bss_peer[2], 0x1001, 0x1000); |
| 593 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 594 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 595 | |
| 596 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 597 | |
| 598 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 599 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 600 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 601 | |
| 602 | printf("--- Move BSS 1 to current BSS 2 port ---\n\n"); |
| 603 | |
| 604 | setup_ns(nsi, &bss_peer[0], 0x2001, 0x2000); |
| 605 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 606 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 607 | |
| 608 | printf("--- Move BSS 2 to new port ---\n\n"); |
| 609 | |
| 610 | setup_ns(nsi, &bss_peer[3], 0x2001, 0x2000); |
| 611 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 612 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 613 | |
| 614 | printf("--- Move BSS 2 to former BSS 1 port ---\n\n"); |
| 615 | |
| 616 | setup_ns(nsi, &bss_peer[2], 0x2001, 0x2000); |
| 617 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 618 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 619 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 620 | printf("--- Move BSS 1 to original BSS 1 port ---\n\n"); |
| 621 | |
| 622 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 623 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 624 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 625 | |
| 626 | printf("--- Reset BSS 1 with a new BVCI ---\n\n"); |
| 627 | |
| 628 | setup_bssgp(nsi, &bss_peer[0], 0x1012); |
| 629 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 630 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 631 | |
| 632 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1012); |
| 633 | |
| 634 | printf("--- Reset BSS 1 with the old BVCI ---\n\n"); |
| 635 | |
| 636 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 637 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 638 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 639 | |
| 640 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 641 | |
| 642 | printf("--- Reset BSS 1 with the old BVCI again ---\n\n"); |
| 643 | |
| 644 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 645 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 646 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 647 | |
| 648 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 649 | |
| 650 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1012 ---\n\n"); |
| 651 | |
| 652 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 653 | |
| 654 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1012 ---\n\n"); |
| 655 | |
| 656 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 657 | |
| 658 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 659 | |
| 660 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 661 | |
| 662 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 663 | |
| 664 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 665 | |
| 666 | printf("--- Send message from BSS 2 to SGSN, BVCI 0x2002 ---\n\n"); |
| 667 | |
| 668 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x2002, (uint8_t *)"", 0); |
| 669 | |
| 670 | printf("--- Send message from SGSN to BSS 2, BVCI 0x2002 ---\n\n"); |
| 671 | |
| 672 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x2002, (uint8_t *)"", 0); |
| 673 | |
| 674 | printf("--- Reset BSS 1 with the old BVCI on BSS2's link ---\n\n"); |
| 675 | |
| 676 | setup_bssgp(nsi, &bss_peer[2], 0x1002); |
| 677 | gprs_dump_nsi(nsi); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 678 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 679 | |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 680 | gbprox_dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 681 | |
Jacob Erlbeck | 2082afa | 2013-10-18 13:04:47 +0200 | [diff] [blame] | 682 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 683 | |
| 684 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 685 | |
| 686 | send_ns_unitdata(nsi, NULL, &bss_peer[0], 0x1012, (uint8_t *)"", 0); |
| 687 | |
| 688 | printf("--- Send message from SGSN to BSS 1, BVCI 0x1002 ---\n\n"); |
| 689 | |
| 690 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x1012, (uint8_t *)"", 0); |
| 691 | |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 692 | printf("--- Send message from SGSN to BSS 1, BVCI 0x10ff (invalid) ---\n\n"); |
| 693 | |
| 694 | send_ns_unitdata(nsi, NULL, &sgsn_peer, 0x10ff, (uint8_t *)"", 0); |
| 695 | |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 696 | gbprox_dump_global(stdout, 0); |
Jacob Erlbeck | da890c7 | 2013-10-18 22:12:16 +0200 | [diff] [blame] | 697 | |
Holger Hans Peter Freyther | 84db98f | 2014-07-07 19:22:02 +0200 | [diff] [blame] | 698 | gbprox_reset(); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 699 | gprs_ns_destroy(nsi); |
| 700 | nsi = NULL; |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 701 | } |
| 702 | |
| 703 | static void test_gbproxy_ident_changes() |
| 704 | { |
| 705 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 706 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 707 | struct sockaddr_in sgsn_peer= {0}; |
| 708 | uint16_t nsei[2] = {0x1000, 0x2000}; |
| 709 | uint16_t nsvci[2] = {0x1001, 0x2001}; |
| 710 | uint16_t bvci[4] = {0x1002, 0x2002, 0x3002, 0x4002}; |
| 711 | |
| 712 | bssgp_nsi = nsi; |
| 713 | gbcfg.nsi = bssgp_nsi; |
| 714 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
| 715 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 716 | configure_sgsn_peer(&sgsn_peer); |
| 717 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 718 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 719 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 720 | printf("--- Initialise SGSN ---\n\n"); |
| 721 | |
Jacob Erlbeck | 2e038f7 | 2014-07-07 10:46:00 +0200 | [diff] [blame] | 722 | connect_sgsn(nsi, &sgsn_peer); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 723 | gprs_dump_nsi(nsi); |
| 724 | |
| 725 | printf("--- Initialise BSS 1 ---\n\n"); |
| 726 | |
| 727 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[0]); |
| 728 | gprs_dump_nsi(nsi); |
| 729 | |
| 730 | printf("--- Setup BVCI 1 ---\n\n"); |
| 731 | |
| 732 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 733 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 734 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 735 | |
| 736 | printf("--- Setup BVCI 2 ---\n\n"); |
| 737 | |
| 738 | setup_bssgp(nsi, &bss_peer[0], bvci[1]); |
| 739 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[1]); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 740 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 741 | |
| 742 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 743 | |
| 744 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 745 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 746 | |
| 747 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 ---\n\n"); |
| 748 | |
| 749 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
| 750 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
| 751 | |
| 752 | printf("--- Change NSEI ---\n\n"); |
| 753 | |
| 754 | setup_ns(nsi, &bss_peer[0], nsvci[0], nsei[1]); |
| 755 | gprs_dump_nsi(nsi); |
| 756 | |
| 757 | printf("--- Setup BVCI 1 ---\n\n"); |
| 758 | |
| 759 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 760 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 761 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 762 | |
| 763 | printf("--- Setup BVCI 3 ---\n\n"); |
| 764 | |
| 765 | setup_bssgp(nsi, &bss_peer[0], bvci[2]); |
| 766 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[2]); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 767 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 768 | |
| 769 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 770 | |
| 771 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 772 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 773 | |
| 774 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 775 | " (should fail) ---\n\n"); |
| 776 | |
| 777 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 778 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 779 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 780 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 781 | |
| 782 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 783 | |
| 784 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 785 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 786 | |
| 787 | printf("--- Change NSVCI ---\n\n"); |
| 788 | |
| 789 | setup_ns(nsi, &bss_peer[0], nsvci[1], nsei[1]); |
| 790 | gprs_dump_nsi(nsi); |
| 791 | |
| 792 | printf("--- Setup BVCI 1 ---\n\n"); |
| 793 | |
| 794 | setup_bssgp(nsi, &bss_peer[0], bvci[0]); |
| 795 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[0]); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 796 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 797 | |
| 798 | printf("--- Setup BVCI 4 ---\n\n"); |
| 799 | |
| 800 | setup_bssgp(nsi, &bss_peer[0], bvci[3]); |
| 801 | send_bssgp_reset_ack(nsi, &sgsn_peer, bvci[3]); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 802 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 803 | |
| 804 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 1 ---\n\n"); |
| 805 | |
| 806 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[0], (uint8_t *)"", 0); |
| 807 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[0], (uint8_t *)"", 0); |
| 808 | |
| 809 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 2 " |
| 810 | " (should fail) ---\n\n"); |
| 811 | |
| 812 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 813 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 814 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[1], (uint8_t *)"", 0); |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 815 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 816 | |
| 817 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 3 ---\n\n"); |
| 818 | |
| 819 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[2], (uint8_t *)"", 0); |
| 820 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[2], (uint8_t *)"", 0); |
| 821 | |
| 822 | printf("--- Send message from BSS 1 to SGSN and back, BVCI 4 ---\n\n"); |
| 823 | |
| 824 | send_ns_unitdata(nsi, NULL, &bss_peer[0], bvci[3], (uint8_t *)"", 0); |
| 825 | send_ns_unitdata(nsi, NULL, &sgsn_peer, bvci[3], (uint8_t *)"", 0); |
| 826 | |
Jacob Erlbeck | b32d3c0 | 2014-07-07 10:45:59 +0200 | [diff] [blame] | 827 | gbprox_dump_global(stdout, 0); |
| 828 | gbprox_dump_peers(stdout, 0); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 829 | |
Holger Hans Peter Freyther | 84db98f | 2014-07-07 19:22:02 +0200 | [diff] [blame] | 830 | gbprox_reset(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 831 | gprs_ns_destroy(nsi); |
| 832 | nsi = NULL; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 833 | } |
| 834 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 835 | static void test_gbproxy_ra_patching() |
| 836 | { |
| 837 | struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); |
| 838 | struct sockaddr_in bss_peer[1] = {{0},}; |
| 839 | struct sockaddr_in sgsn_peer= {0}; |
| 840 | struct gprs_ra_id rai_bss = |
| 841 | {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; |
| 842 | struct gprs_ra_id rai_sgsn = |
| 843 | {.mcc = 123, .mnc = 456, .lac = 16464, .rac = 96}; |
| 844 | struct gprs_ra_id rai_unknown = |
| 845 | {.mcc = 1, .mnc = 99, .lac = 99, .rac = 96}; |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 846 | const char *err_msg = NULL; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 847 | |
| 848 | bssgp_nsi = nsi; |
| 849 | gbcfg.nsi = bssgp_nsi; |
| 850 | gbcfg.nsip_sgsn_nsei = SGSN_NSEI; |
Jacob Erlbeck | 67a4445 | 2014-05-19 10:14:58 +0200 | [diff] [blame] | 851 | gbcfg.core_mcc = 123; |
| 852 | gbcfg.core_mnc = 456; |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 853 | gbcfg.core_apn = talloc_zero_size(NULL, 100); |
| 854 | gbcfg.core_apn_size = gbprox_str_to_apn(gbcfg.core_apn, "foo.bar", 100); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 855 | |
Holger Hans Peter Freyther | 99a20d6 | 2014-07-07 14:19:10 +0200 | [diff] [blame] | 856 | configure_sgsn_peer(&sgsn_peer); |
| 857 | configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 858 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 859 | gbcfg.match_re = talloc_strdup(NULL, "^9898|^121314"); |
| 860 | if (gbprox_set_patch_filter(gbcfg.match_re, &err_msg) != 0) { |
| 861 | fprintf(stderr, "Failed to compile RE '%s': %s\n", |
| 862 | gbcfg.match_re, err_msg); |
| 863 | exit(1); |
| 864 | } |
| 865 | |
| 866 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 867 | printf("=== %s ===\n", __func__); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 868 | printf("--- Initialise SGSN ---\n\n"); |
| 869 | |
| 870 | connect_sgsn(nsi, &sgsn_peer); |
| 871 | gprs_dump_nsi(nsi); |
| 872 | |
| 873 | printf("--- Initialise BSS 1 ---\n\n"); |
| 874 | |
| 875 | setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); |
| 876 | setup_bssgp(nsi, &bss_peer[0], 0x1002); |
| 877 | gprs_dump_nsi(nsi); |
| 878 | gbprox_dump_peers(stdout, 0); |
| 879 | |
| 880 | send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); |
| 881 | |
| 882 | send_bssgp_suspend(nsi, &bss_peer[0], &rai_bss); |
| 883 | send_bssgp_suspend_ack(nsi, &sgsn_peer, &rai_sgsn); |
| 884 | |
| 885 | gbprox_dump_global(stdout, 0); |
| 886 | gbprox_dump_peers(stdout, 0); |
| 887 | |
| 888 | printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); |
| 889 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 890 | send_ns_unitdata(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 891 | bssgp_attach_req, sizeof(bssgp_attach_req)); |
| 892 | |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 893 | send_ns_unitdata(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 894 | bssgp_attach_acc, sizeof(bssgp_attach_acc)); |
| 895 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 896 | /* Replace APN (1) */ |
| 897 | send_ns_unitdata(nsi, "ACT PDP CTX REQ (REPLACE APN)", |
| 898 | &bss_peer[0], 0x1002, |
| 899 | bssgp_act_pdp_ctx_req, sizeof(bssgp_act_pdp_ctx_req)); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 900 | |
Jacob Erlbeck | 1166974 | 2014-06-06 18:47:36 +0200 | [diff] [blame] | 901 | send_ns_unitdata(nsi, "GMM INFO", &sgsn_peer, 0x1002, |
| 902 | bssgp_gmm_information, sizeof(bssgp_gmm_information)); |
| 903 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 904 | /* Replace APN (2) */ |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 905 | send_ns_unitdata(nsi, "ACT PDP CTX REQ (REPLACE APN)", |
| 906 | &bss_peer[0], 0x1002, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 907 | bssgp_act_pdp_ctx_req, sizeof(bssgp_act_pdp_ctx_req)); |
| 908 | |
Jacob Erlbeck | 7368528 | 2014-05-23 20:48:07 +0200 | [diff] [blame] | 909 | gbcfg.core_apn[0] = 0; |
| 910 | gbcfg.core_apn_size = 0; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 911 | |
| 912 | /* Remove APN */ |
Jacob Erlbeck | ff0d65a | 2014-07-09 23:19:11 +0200 | [diff] [blame] | 913 | send_ns_unitdata(nsi, "ACT PDP CTX REQ (REMOVE APN)", |
| 914 | &bss_peer[0], 0x1002, |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 915 | bssgp_act_pdp_ctx_req, sizeof(bssgp_act_pdp_ctx_req)); |
| 916 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 917 | gbprox_dump_peers(stdout, 0); |
| 918 | |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 919 | /* Detach */ |
| 920 | send_ns_unitdata(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 921 | bssgp_detach_req, sizeof(bssgp_detach_req)); |
| 922 | |
| 923 | send_ns_unitdata(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 924 | bssgp_detach_acc, sizeof(bssgp_detach_acc)); |
| 925 | |
Jacob Erlbeck | aa3e334 | 2014-06-27 11:55:04 +0200 | [diff] [blame] | 926 | gbprox_dump_peers(stdout, 0); |
| 927 | |
| 928 | printf("--- RA update ---\n\n"); |
| 929 | |
| 930 | send_ns_unitdata(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, |
| 931 | bssgp_ra_upd_req, sizeof(bssgp_ra_upd_req)); |
| 932 | |
| 933 | send_ns_unitdata(nsi, "RA UPD ACC", &sgsn_peer, 0x1002, |
| 934 | bssgp_ra_upd_acc, sizeof(bssgp_ra_upd_acc)); |
| 935 | |
| 936 | /* Remove APN */ |
| 937 | send_ns_unitdata(nsi, "ACT PDP CTX REQ (REMOVE APN)", |
| 938 | &bss_peer[0], 0x1002, |
| 939 | bssgp_act_pdp_ctx_req, sizeof(bssgp_act_pdp_ctx_req)); |
| 940 | |
| 941 | gbprox_dump_peers(stdout, 0); |
| 942 | |
| 943 | /* Detach */ |
| 944 | send_ns_unitdata(nsi, "DETACH REQ", &bss_peer[0], 0x1002, |
| 945 | bssgp_detach_req, sizeof(bssgp_detach_req)); |
| 946 | |
| 947 | send_ns_unitdata(nsi, "DETACH ACC", &sgsn_peer, 0x1002, |
| 948 | bssgp_detach_acc, sizeof(bssgp_detach_acc)); |
| 949 | |
| 950 | |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 951 | gbprox_dump_global(stdout, 0); |
| 952 | gbprox_dump_peers(stdout, 0); |
| 953 | |
| 954 | printf("--- Bad cases ---\n\n"); |
| 955 | |
Jacob Erlbeck | 7c101d9 | 2014-06-06 18:49:23 +0200 | [diff] [blame] | 956 | printf("TLLI is already detached, shouldn't patch\n"); |
Jacob Erlbeck | cf02eb1 | 2014-06-19 10:23:50 +0200 | [diff] [blame] | 957 | send_ns_unitdata(nsi, "ACT PDP CTX REQ", &bss_peer[0], 0x1002, |
| 958 | bssgp_act_pdp_ctx_req, sizeof(bssgp_act_pdp_ctx_req)); |
| 959 | |
Jacob Erlbeck | 006c038 | 2014-05-27 13:49:04 +0200 | [diff] [blame] | 960 | printf("Invalid RAI, shouldn't patch\n"); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 961 | send_bssgp_suspend_ack(nsi, &sgsn_peer, &rai_unknown); |
| 962 | |
| 963 | gbprox_dump_global(stdout, 0); |
| 964 | gbprox_dump_peers(stdout, 0); |
| 965 | |
Holger Hans Peter Freyther | 84db98f | 2014-07-07 19:22:02 +0200 | [diff] [blame] | 966 | gbprox_reset(); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 967 | gprs_ns_destroy(nsi); |
| 968 | nsi = NULL; |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 969 | } |
| 970 | |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 971 | /* TODO: Move tlv testing to libosmocore */ |
| 972 | int v_fixed_shift(uint8_t **data, size_t *data_len, size_t len, uint8_t **value); |
| 973 | int tv_fixed_match(uint8_t **data, size_t *data_len, uint8_t tag, size_t len, |
| 974 | uint8_t **value); |
| 975 | int tlv_match(uint8_t **data, size_t *data_len, uint8_t tag, uint8_t **value, |
| 976 | size_t *value_len); |
| 977 | int lv_shift(uint8_t **data, size_t *data_len, |
| 978 | uint8_t **value, size_t *value_len); |
| 979 | |
| 980 | static void check_tlv_match(uint8_t **data, size_t *data_len, |
| 981 | uint8_t tag, size_t exp_len, const uint8_t *exp_val) |
| 982 | { |
| 983 | uint8_t *value; |
| 984 | size_t value_len; |
| 985 | int rc; |
| 986 | |
| 987 | rc = tlv_match(data, data_len, tag ^ 1, NULL, NULL); |
| 988 | OSMO_ASSERT(rc == 0); |
| 989 | |
| 990 | rc = tlv_match(data, data_len, tag, &value, &value_len); |
| 991 | OSMO_ASSERT(rc == value_len + 2); |
| 992 | OSMO_ASSERT(value_len == exp_len); |
| 993 | OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); |
| 994 | } |
| 995 | |
| 996 | static void check_tv_fixed_match(uint8_t **data, size_t *data_len, |
| 997 | uint8_t tag, size_t len, const uint8_t *exp_val) |
| 998 | { |
| 999 | uint8_t *value; |
| 1000 | int rc; |
| 1001 | |
| 1002 | rc = tv_fixed_match(data, data_len, tag ^ 1, len, NULL); |
| 1003 | OSMO_ASSERT(rc == 0); |
| 1004 | |
| 1005 | rc = tv_fixed_match(data, data_len, tag, len, &value); |
| 1006 | OSMO_ASSERT(rc == len + 1); |
| 1007 | OSMO_ASSERT(memcmp(value, exp_val, len) == 0); |
| 1008 | } |
| 1009 | |
| 1010 | static void check_v_fixed_shift(uint8_t **data, size_t *data_len, |
| 1011 | size_t len, const uint8_t *exp_val) |
| 1012 | { |
| 1013 | uint8_t *value; |
| 1014 | int rc; |
| 1015 | |
| 1016 | rc = v_fixed_shift(data, data_len, len, &value); |
| 1017 | OSMO_ASSERT(rc == len); |
| 1018 | OSMO_ASSERT(memcmp(value, exp_val, len) == 0); |
| 1019 | } |
| 1020 | |
| 1021 | static void check_lv_shift(uint8_t **data, size_t *data_len, |
| 1022 | size_t exp_len, const uint8_t *exp_val) |
| 1023 | { |
| 1024 | uint8_t *value; |
| 1025 | size_t value_len; |
| 1026 | int rc; |
| 1027 | |
| 1028 | rc = lv_shift(data, data_len, &value, &value_len); |
| 1029 | OSMO_ASSERT(rc == value_len + 1); |
| 1030 | OSMO_ASSERT(value_len == exp_len); |
| 1031 | OSMO_ASSERT(memcmp(value, exp_val, exp_len) == 0); |
| 1032 | } |
| 1033 | |
| 1034 | static void check_tlv_match_data_len(size_t data_len, uint8_t tag, size_t len, |
| 1035 | const uint8_t *test_data) |
| 1036 | { |
| 1037 | uint8_t buf[300] = {0}; |
| 1038 | |
| 1039 | uint8_t *unchanged_ptr = buf - 1; |
| 1040 | size_t unchanged_len = 0xdead; |
| 1041 | size_t tmp_data_len = data_len; |
| 1042 | uint8_t *value = unchanged_ptr; |
| 1043 | size_t value_len = unchanged_len; |
| 1044 | uint8_t *data = buf; |
| 1045 | |
| 1046 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 1047 | |
| 1048 | tlv_put(data, tag, len, test_data); |
| 1049 | if (data_len < len + 2) { |
| 1050 | OSMO_ASSERT(-1 == tlv_match(&data, &tmp_data_len, |
| 1051 | tag, &value, &value_len)); |
| 1052 | OSMO_ASSERT(tmp_data_len == 0); |
| 1053 | OSMO_ASSERT(data == buf + data_len); |
| 1054 | OSMO_ASSERT(value == unchanged_ptr); |
| 1055 | OSMO_ASSERT(value_len == unchanged_len); |
| 1056 | } else { |
| 1057 | OSMO_ASSERT(0 <= tlv_match(&data, &tmp_data_len, |
| 1058 | tag, &value, &value_len)); |
| 1059 | OSMO_ASSERT(value != unchanged_ptr); |
| 1060 | OSMO_ASSERT(value_len != unchanged_len); |
| 1061 | } |
| 1062 | } |
| 1063 | |
| 1064 | static void check_tv_fixed_match_data_len(size_t data_len, |
| 1065 | uint8_t tag, size_t len, |
| 1066 | const uint8_t *test_data) |
| 1067 | { |
| 1068 | uint8_t buf[300] = {0}; |
| 1069 | |
| 1070 | uint8_t *unchanged_ptr = buf - 1; |
| 1071 | size_t tmp_data_len = data_len; |
| 1072 | uint8_t *value = unchanged_ptr; |
| 1073 | uint8_t *data = buf; |
| 1074 | |
| 1075 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 1076 | |
| 1077 | tv_fixed_put(data, tag, len, test_data); |
| 1078 | |
| 1079 | if (data_len < len + 1) { |
| 1080 | OSMO_ASSERT(-1 == tv_fixed_match(&data, &tmp_data_len, |
| 1081 | tag, len, &value)); |
| 1082 | OSMO_ASSERT(tmp_data_len == 0); |
| 1083 | OSMO_ASSERT(data == buf + data_len); |
| 1084 | OSMO_ASSERT(value == unchanged_ptr); |
| 1085 | } else { |
| 1086 | OSMO_ASSERT(0 <= tv_fixed_match(&data, &tmp_data_len, |
| 1087 | tag, len, &value)); |
| 1088 | OSMO_ASSERT(value != unchanged_ptr); |
| 1089 | } |
| 1090 | } |
| 1091 | |
| 1092 | static void check_v_fixed_shift_data_len(size_t data_len, |
| 1093 | size_t len, const uint8_t *test_data) |
| 1094 | { |
| 1095 | uint8_t buf[300] = {0}; |
| 1096 | |
| 1097 | uint8_t *unchanged_ptr = buf - 1; |
| 1098 | size_t tmp_data_len = data_len; |
| 1099 | uint8_t *value = unchanged_ptr; |
| 1100 | uint8_t *data = buf; |
| 1101 | |
| 1102 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 1103 | |
| 1104 | memcpy(data, test_data, len); |
| 1105 | |
| 1106 | if (data_len < len) { |
| 1107 | OSMO_ASSERT(-1 == v_fixed_shift(&data, &tmp_data_len, |
| 1108 | len, &value)); |
| 1109 | OSMO_ASSERT(tmp_data_len == 0); |
| 1110 | OSMO_ASSERT(data == buf + data_len); |
| 1111 | OSMO_ASSERT(value == unchanged_ptr); |
| 1112 | } else { |
| 1113 | OSMO_ASSERT(0 <= v_fixed_shift(&data, &tmp_data_len, |
| 1114 | len, &value)); |
| 1115 | OSMO_ASSERT(value != unchanged_ptr); |
| 1116 | } |
| 1117 | } |
| 1118 | |
| 1119 | static void check_lv_shift_data_len(size_t data_len, |
| 1120 | size_t len, const uint8_t *test_data) |
| 1121 | { |
| 1122 | uint8_t buf[300] = {0}; |
| 1123 | |
| 1124 | uint8_t *unchanged_ptr = buf - 1; |
| 1125 | size_t unchanged_len = 0xdead; |
| 1126 | size_t tmp_data_len = data_len; |
| 1127 | uint8_t *value = unchanged_ptr; |
| 1128 | size_t value_len = unchanged_len; |
| 1129 | uint8_t *data = buf; |
| 1130 | |
| 1131 | lv_put(data, len, test_data); |
| 1132 | if (data_len < len + 1) { |
| 1133 | OSMO_ASSERT(-1 == lv_shift(&data, &tmp_data_len, |
| 1134 | &value, &value_len)); |
| 1135 | OSMO_ASSERT(tmp_data_len == 0); |
| 1136 | OSMO_ASSERT(data == buf + data_len); |
| 1137 | OSMO_ASSERT(value == unchanged_ptr); |
| 1138 | OSMO_ASSERT(value_len == unchanged_len); |
| 1139 | } else { |
| 1140 | OSMO_ASSERT(0 <= lv_shift(&data, &tmp_data_len, |
| 1141 | &value, &value_len)); |
| 1142 | OSMO_ASSERT(value != unchanged_ptr); |
| 1143 | OSMO_ASSERT(value_len != unchanged_len); |
| 1144 | } |
| 1145 | } |
| 1146 | |
| 1147 | static void test_tlv_shift_functions() |
| 1148 | { |
| 1149 | uint8_t test_data[1024]; |
| 1150 | uint8_t buf[1024]; |
| 1151 | uint8_t *data_end; |
| 1152 | int i, len; |
| 1153 | uint8_t *data; |
| 1154 | size_t data_len; |
| 1155 | const uint8_t tag = 0x1a; |
| 1156 | |
| 1157 | printf("Test shift functions\n"); |
| 1158 | |
| 1159 | for (i = 0; i < ARRAY_SIZE(test_data); i++) |
| 1160 | test_data[i] = (uint8_t)i; |
| 1161 | |
| 1162 | for (len = 0; len < 256; len++) { |
| 1163 | const int iterations = sizeof(buf) / (len + 2) / 4; |
| 1164 | |
| 1165 | memset(buf, 0xee, sizeof(buf)); |
| 1166 | data_end = data = buf; |
| 1167 | |
| 1168 | for (i = 0; i < iterations; i++) { |
| 1169 | data_end = tlv_put(data_end, tag, len, test_data); |
| 1170 | data_end = tv_fixed_put(data_end, tag, len, test_data); |
| 1171 | /* v_fixed_put */ |
| 1172 | memcpy(data_end, test_data, len); |
| 1173 | data_end += len; |
| 1174 | data_end = lv_put(data_end, len, test_data); |
| 1175 | } |
| 1176 | |
| 1177 | data_len = data_end - data; |
| 1178 | OSMO_ASSERT(data_len <= sizeof(buf)); |
| 1179 | |
| 1180 | for (i = 0; i < iterations; i++) { |
| 1181 | check_tlv_match(&data, &data_len, tag, len, test_data); |
| 1182 | check_tv_fixed_match(&data, &data_len, tag, len, test_data); |
| 1183 | check_v_fixed_shift(&data, &data_len, len, test_data); |
| 1184 | check_lv_shift(&data, &data_len, len, test_data); |
| 1185 | } |
| 1186 | |
| 1187 | OSMO_ASSERT(data == data_end); |
| 1188 | |
| 1189 | /* Test at end of data */ |
| 1190 | |
| 1191 | OSMO_ASSERT(-1 == tlv_match(&data, &data_len, tag, NULL, NULL)); |
| 1192 | OSMO_ASSERT(-1 == tv_fixed_match(&data, &data_len, tag, len, NULL)); |
| 1193 | OSMO_ASSERT((len ? -1 : 0) == v_fixed_shift(&data, &data_len, len, NULL)); |
| 1194 | OSMO_ASSERT(-1 == lv_shift(&data, &data_len, NULL, NULL)); |
| 1195 | |
| 1196 | /* Test invalid data_len */ |
| 1197 | for (data_len = 0; data_len <= len + 2 + 1; data_len += 1) { |
| 1198 | check_tlv_match_data_len(data_len, tag, len, test_data); |
| 1199 | check_tv_fixed_match_data_len(data_len, tag, len, test_data); |
| 1200 | check_v_fixed_shift_data_len(data_len, len, test_data); |
| 1201 | check_lv_shift_data_len(data_len, len, test_data); |
| 1202 | } |
| 1203 | } |
| 1204 | } |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 1205 | static struct log_info_cat gprs_categories[] = { |
| 1206 | [DGPRS] = { |
| 1207 | .name = "DGPRS", |
| 1208 | .description = "GPRS Packet Service", |
| 1209 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1210 | }, |
| 1211 | [DNS] = { |
| 1212 | .name = "DNS", |
| 1213 | .description = "GPRS Network Service (NS)", |
| 1214 | .enabled = 1, .loglevel = LOGL_INFO, |
| 1215 | }, |
| 1216 | [DBSSGP] = { |
| 1217 | .name = "DBSSGP", |
| 1218 | .description = "GPRS BSS Gateway Protocol (BSSGP)", |
| 1219 | .enabled = 1, .loglevel = LOGL_DEBUG, |
| 1220 | }, |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 1221 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1222 | |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 1223 | static struct log_info info = { |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 1224 | .cat = gprs_categories, |
| 1225 | .num_cat = ARRAY_SIZE(gprs_categories), |
Holger Hans Peter Freyther | 2840b3f | 2014-07-07 19:48:14 +0200 | [diff] [blame] | 1226 | }; |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1227 | |
| 1228 | int main(int argc, char **argv) |
| 1229 | { |
| 1230 | osmo_init_logging(&info); |
| 1231 | log_set_use_color(osmo_stderr_target, 0); |
| 1232 | log_set_print_filename(osmo_stderr_target, 0); |
| 1233 | osmo_signal_register_handler(SS_L_NS, &test_signal, NULL); |
| 1234 | |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1235 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | 627e7d9 | 2014-07-03 13:28:13 +0200 | [diff] [blame] | 1236 | log_set_log_level(osmo_stderr_target, LOGL_DEBUG); |
| 1237 | log_set_all_filter(osmo_stderr_target, 1); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1238 | |
| 1239 | rate_ctr_init(NULL); |
| 1240 | |
| 1241 | setlinebuf(stdout); |
| 1242 | |
| 1243 | printf("===== GbProxy test START\n"); |
Holger Hans Peter Freyther | 18739ea | 2014-08-04 11:10:09 +0200 | [diff] [blame] | 1244 | gbproxy_init_config(&gbcfg); |
Jacob Erlbeck | b138106 | 2014-07-01 12:41:13 +0200 | [diff] [blame] | 1245 | test_tlv_shift_functions(); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1246 | test_gbproxy(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1247 | test_gbproxy_ident_changes(); |
Jacob Erlbeck | 7fb42db | 2014-07-07 10:46:01 +0200 | [diff] [blame] | 1248 | test_gbproxy_ra_patching(); |
Jacob Erlbeck | 72b401f | 2013-10-24 12:48:55 +0200 | [diff] [blame] | 1249 | printf("===== GbProxy test END\n\n"); |
Jacob Erlbeck | 51a869c | 2013-10-15 12:00:26 +0200 | [diff] [blame] | 1250 | |
| 1251 | exit(EXIT_SUCCESS); |
| 1252 | } |