Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 1 | /* |
| 2 | * BSC NAT Message filtering |
| 3 | * |
| 4 | * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org> |
Holger Hans Peter Freyther | df6143a | 2010-06-15 18:46:56 +0800 | [diff] [blame] | 5 | * (C) 2010 by On-Waves |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 6 | * |
| 7 | * All Rights Reserved |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 10 | * it under the terms of the GNU Affero General Public License as published by |
| 11 | * the Free Software Foundation; either version 3 of the License, or |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 19 | * You should have received a copy of the GNU Affero General Public License |
| 20 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 21 | * |
| 22 | */ |
| 23 | |
| 24 | |
| 25 | #include <openbsc/debug.h> |
| 26 | #include <openbsc/gsm_data.h> |
| 27 | #include <openbsc/bsc_nat.h> |
Holger Hans Peter Freyther | c2b31ed | 2010-07-31 05:17:17 +0800 | [diff] [blame] | 28 | #include <openbsc/bsc_nat_sccp.h> |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 29 | |
Holger Hans Peter Freyther | 67cd75f | 2011-05-12 16:02:07 +0200 | [diff] [blame] | 30 | #include <osmocom/core/application.h> |
Pablo Neira Ayuso | 928cb33 | 2011-03-26 22:08:53 +0100 | [diff] [blame] | 31 | #include <osmocom/core/talloc.h> |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 32 | |
Harald Welte | d5db12c | 2010-08-03 15:11:51 +0200 | [diff] [blame] | 33 | #include <osmocom/sccp/sccp.h> |
Pablo Neira Ayuso | 928cb33 | 2011-03-26 22:08:53 +0100 | [diff] [blame] | 34 | #include <osmocom/gsm/protocol/gsm_08_08.h> |
Holger Hans Peter Freyther | 30e1ae9 | 2010-07-30 02:53:14 +0800 | [diff] [blame] | 35 | |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 36 | #include <stdio.h> |
| 37 | |
| 38 | /* test messages for ipa */ |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 39 | static uint8_t ipa_id[] = { |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 40 | 0x00, 0x01, 0xfe, 0x06, |
| 41 | }; |
| 42 | |
| 43 | /* SCCP messages are below */ |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 44 | static uint8_t gsm_reset[] = { |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 45 | 0x00, 0x12, 0xfd, |
| 46 | 0x09, 0x00, 0x03, 0x05, 0x07, 0x02, 0x42, 0xfe, |
| 47 | 0x02, 0x42, 0xfe, 0x06, 0x00, 0x04, 0x30, 0x04, |
| 48 | 0x01, 0x20, |
| 49 | }; |
| 50 | |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 51 | static const uint8_t gsm_reset_ack[] = { |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 52 | 0x00, 0x13, 0xfd, |
| 53 | 0x09, 0x00, 0x03, 0x07, 0x0b, 0x04, 0x43, 0x01, |
| 54 | 0x00, 0xfe, 0x04, 0x43, 0x5c, 0x00, 0xfe, 0x03, |
| 55 | 0x00, 0x01, 0x31, |
| 56 | }; |
| 57 | |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 58 | static const uint8_t gsm_paging[] = { |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 59 | 0x00, 0x20, 0xfd, |
| 60 | 0x09, 0x00, 0x03, 0x07, 0x0b, 0x04, 0x43, 0x01, |
| 61 | 0x00, 0xfe, 0x04, 0x43, 0x5c, 0x00, 0xfe, 0x10, |
| 62 | 0x00, 0x0e, 0x52, 0x08, 0x08, 0x29, 0x47, 0x10, |
| 63 | 0x02, 0x01, 0x31, 0x97, 0x61, 0x1a, 0x01, 0x06, |
| 64 | }; |
| 65 | |
| 66 | /* BSC -> MSC connection open */ |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 67 | static const uint8_t bssmap_cr[] = { |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 68 | 0x00, 0x2c, 0xfd, |
| 69 | 0x01, 0x01, 0x02, 0x03, 0x02, 0x02, 0x04, 0x02, |
| 70 | 0x42, 0xfe, 0x0f, 0x1f, 0x00, 0x1d, 0x57, 0x05, |
| 71 | 0x08, 0x00, 0x72, 0xf4, 0x80, 0x20, 0x12, 0xc3, |
| 72 | 0x50, 0x17, 0x10, 0x05, 0x24, 0x11, 0x03, 0x33, |
| 73 | 0x19, 0xa2, 0x08, 0x29, 0x47, 0x10, 0x02, 0x01, |
| 74 | 0x31, 0x97, 0x61, 0x00 |
| 75 | }; |
| 76 | |
| 77 | /* MSC -> BSC connection confirm */ |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 78 | static const uint8_t bssmap_cc[] = { |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 79 | 0x00, 0x0a, 0xfd, |
| 80 | 0x02, 0x01, 0x02, 0x03, 0x00, 0x00, 0x03, 0x02, 0x01, 0x00, |
| 81 | }; |
| 82 | |
| 83 | /* MSC -> BSC released */ |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 84 | static const uint8_t bssmap_released[] = { |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 85 | 0x00, 0x0e, 0xfd, |
| 86 | 0x04, 0x00, 0x00, 0x03, 0x01, 0x02, 0x03, 0x00, 0x01, 0x0f, |
| 87 | 0x02, 0x23, 0x42, 0x00, |
| 88 | }; |
| 89 | |
| 90 | /* BSC -> MSC released */ |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 91 | static const uint8_t bssmap_release_complete[] = { |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 92 | 0x00, 0x07, 0xfd, |
| 93 | 0x05, 0x01, 0x02, 0x03, 0x00, 0x00, 0x03 |
| 94 | }; |
| 95 | |
Holger Hans Peter Freyther | 0a6f62f | 2010-04-06 10:22:01 +0200 | [diff] [blame] | 96 | /* both directions IT timer */ |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 97 | static const uint8_t connnection_it[] = { |
Holger Hans Peter Freyther | 0a6f62f | 2010-04-06 10:22:01 +0200 | [diff] [blame] | 98 | 0x00, 0x0b, 0xfd, |
| 99 | 0x10, 0x01, 0x02, 0x03, 0x01, 0x02, 0x03, |
| 100 | 0x00, 0x00, 0x00, 0x00, |
| 101 | }; |
| 102 | |
Holger Hans Peter Freyther | 5e63f92 | 2010-04-21 15:45:26 +0800 | [diff] [blame] | 103 | /* error in both directions */ |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 104 | static const uint8_t proto_error[] = { |
Holger Hans Peter Freyther | 5e63f92 | 2010-04-21 15:45:26 +0800 | [diff] [blame] | 105 | 0x00, 0x05, 0xfd, |
| 106 | 0x0f, 0x22, 0x33, 0x44, 0x00, |
| 107 | }; |
| 108 | |
Holger Hans Peter Freyther | a128d91 | 2010-04-01 08:47:12 +0200 | [diff] [blame] | 109 | /* MGCP wrap... */ |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 110 | static const uint8_t mgcp_msg[] = { |
Holger Hans Peter Freyther | a128d91 | 2010-04-01 08:47:12 +0200 | [diff] [blame] | 111 | 0x00, 0x03, 0xfc, |
| 112 | 0x20, 0x20, 0x20, |
| 113 | }; |
| 114 | |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 115 | /* location updating request */ |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 116 | static const uint8_t bss_lu[] = { |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 117 | 0x00, 0x2e, 0xfd, |
| 118 | 0x01, 0x91, 0x45, 0x14, 0x02, 0x02, 0x04, 0x02, |
| 119 | 0x42, 0xfe, 0x0f, 0x21, 0x00, 0x1f, 0x57, 0x05, |
| 120 | 0x08, 0x00, 0x72, 0xf4, 0x80, 0x20, 0x14, 0xc3, |
| 121 | 0x50, 0x17, 0x12, 0x05, 0x08, 0x70, 0x72, 0xf4, |
| 122 | 0x80, 0xff, 0xfe, 0x30, 0x08, 0x29, 0x44, 0x50, |
| 123 | 0x12, 0x03, 0x24, 0x01, 0x95, 0x00 |
| 124 | }; |
| 125 | |
Holger Hans Peter Freyther | f192498 | 2010-05-15 23:54:04 +0800 | [diff] [blame] | 126 | /* paging response */ |
| 127 | static const uint8_t pag_resp[] = { |
| 128 | 0x00, 0x2c, 0xfd, 0x01, 0xe5, 0x68, |
| 129 | 0x14, 0x02, 0x02, 0x04, 0x02, 0x42, 0xfe, 0x0f, |
| 130 | 0x1f, 0x00, 0x1d, 0x57, 0x05, 0x08, 0x00, 0x72, |
| 131 | 0xf4, 0x80, 0x20, 0x16, 0xc3, 0x50, 0x17, 0x10, |
| 132 | 0x06, 0x27, 0x01, 0x03, 0x30, 0x18, 0x96, 0x08, |
| 133 | 0x29, 0x26, 0x30, 0x32, 0x11, 0x42, 0x01, 0x19, |
| 134 | 0x00 |
| 135 | }; |
| 136 | |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 137 | struct filter_result { |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 138 | const uint8_t *data; |
Holger Hans Peter Freyther | e2c1520 | 2010-07-23 19:09:21 +0800 | [diff] [blame] | 139 | const uint16_t length; |
Holger Hans Peter Freyther | 1d6fb18 | 2010-01-30 11:53:30 +0100 | [diff] [blame] | 140 | const int dir; |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 141 | const int result; |
| 142 | }; |
| 143 | |
| 144 | static const struct filter_result results[] = { |
| 145 | { |
| 146 | .data = ipa_id, |
| 147 | .length = ARRAY_SIZE(ipa_id), |
Holger Hans Peter Freyther | 1d6fb18 | 2010-01-30 11:53:30 +0100 | [diff] [blame] | 148 | .dir = DIR_MSC, |
| 149 | .result = 1, |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 150 | }, |
| 151 | { |
| 152 | .data = gsm_reset, |
| 153 | .length = ARRAY_SIZE(gsm_reset), |
Holger Hans Peter Freyther | 1d6fb18 | 2010-01-30 11:53:30 +0100 | [diff] [blame] | 154 | .dir = DIR_MSC, |
| 155 | .result = 1, |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 156 | }, |
| 157 | { |
| 158 | .data = gsm_reset_ack, |
| 159 | .length = ARRAY_SIZE(gsm_reset_ack), |
Holger Hans Peter Freyther | 1d6fb18 | 2010-01-30 11:53:30 +0100 | [diff] [blame] | 160 | .dir = DIR_BSC, |
| 161 | .result = 1, |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 162 | }, |
| 163 | { |
| 164 | .data = gsm_paging, |
| 165 | .length = ARRAY_SIZE(gsm_paging), |
Holger Hans Peter Freyther | 1d6fb18 | 2010-01-30 11:53:30 +0100 | [diff] [blame] | 166 | .dir = DIR_BSC, |
| 167 | .result = 0, |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 168 | }, |
| 169 | { |
| 170 | .data = bssmap_cr, |
| 171 | .length = ARRAY_SIZE(bssmap_cr), |
Holger Hans Peter Freyther | 1d6fb18 | 2010-01-30 11:53:30 +0100 | [diff] [blame] | 172 | .dir = DIR_MSC, |
| 173 | .result = 0, |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 174 | }, |
| 175 | { |
| 176 | .data = bssmap_cc, |
| 177 | .length = ARRAY_SIZE(bssmap_cc), |
Holger Hans Peter Freyther | 1d6fb18 | 2010-01-30 11:53:30 +0100 | [diff] [blame] | 178 | .dir = DIR_BSC, |
| 179 | .result = 0, |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 180 | }, |
| 181 | { |
| 182 | .data = bssmap_released, |
| 183 | .length = ARRAY_SIZE(bssmap_released), |
Holger Hans Peter Freyther | 1d6fb18 | 2010-01-30 11:53:30 +0100 | [diff] [blame] | 184 | .dir = DIR_MSC, |
| 185 | .result = 0, |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 186 | }, |
| 187 | { |
| 188 | .data = bssmap_release_complete, |
| 189 | .length = ARRAY_SIZE(bssmap_release_complete), |
Holger Hans Peter Freyther | 1d6fb18 | 2010-01-30 11:53:30 +0100 | [diff] [blame] | 190 | .dir = DIR_BSC, |
| 191 | .result = 0, |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 192 | }, |
Holger Hans Peter Freyther | a128d91 | 2010-04-01 08:47:12 +0200 | [diff] [blame] | 193 | { |
| 194 | .data = mgcp_msg, |
| 195 | .length = ARRAY_SIZE(mgcp_msg), |
| 196 | .dir = DIR_MSC, |
| 197 | .result = 0, |
| 198 | }, |
Holger Hans Peter Freyther | 0a6f62f | 2010-04-06 10:22:01 +0200 | [diff] [blame] | 199 | { |
| 200 | .data = connnection_it, |
| 201 | .length = ARRAY_SIZE(connnection_it), |
| 202 | .dir = DIR_BSC, |
| 203 | .result = 0, |
| 204 | }, |
| 205 | { |
| 206 | .data = connnection_it, |
| 207 | .length = ARRAY_SIZE(connnection_it), |
| 208 | .dir = DIR_MSC, |
| 209 | .result = 0, |
| 210 | }, |
Holger Hans Peter Freyther | 5e63f92 | 2010-04-21 15:45:26 +0800 | [diff] [blame] | 211 | { |
| 212 | .data = proto_error, |
| 213 | .length = ARRAY_SIZE(proto_error), |
| 214 | .dir = DIR_BSC, |
| 215 | .result = 0, |
| 216 | }, |
| 217 | { |
| 218 | .data = proto_error, |
| 219 | .length = ARRAY_SIZE(proto_error), |
| 220 | .dir = DIR_MSC, |
| 221 | .result = 0, |
| 222 | }, |
| 223 | |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 224 | }; |
| 225 | |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 226 | static void test_filter(void) |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 227 | { |
| 228 | int i; |
| 229 | |
| 230 | |
| 231 | /* start testinh with proper messages */ |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 232 | fprintf(stderr, "Testing BSS Filtering.\n"); |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 233 | for (i = 0; i < ARRAY_SIZE(results); ++i) { |
| 234 | int result; |
| 235 | struct bsc_nat_parsed *parsed; |
| 236 | struct msgb *msg = msgb_alloc(4096, "test-message"); |
| 237 | |
| 238 | fprintf(stderr, "Going to test item: %d\n", i); |
| 239 | memcpy(msg->data, results[i].data, results[i].length); |
| 240 | msg->l2h = msgb_put(msg, results[i].length); |
| 241 | |
| 242 | parsed = bsc_nat_parse(msg); |
| 243 | if (!parsed) { |
| 244 | fprintf(stderr, "FAIL: Failed to parse the message\n"); |
| 245 | continue; |
| 246 | } |
| 247 | |
Holger Hans Peter Freyther | 1d6fb18 | 2010-01-30 11:53:30 +0100 | [diff] [blame] | 248 | result = bsc_nat_filter_ipa(results[i].dir, msg, parsed); |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 249 | if (result != results[i].result) { |
| 250 | fprintf(stderr, "FAIL: Not the expected result got: %d wanted: %d\n", |
| 251 | result, results[i].result); |
| 252 | } |
| 253 | |
| 254 | msgb_free(msg); |
| 255 | } |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 256 | } |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 257 | |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 258 | #include "bsc_data.c" |
| 259 | |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 260 | static void copy_to_msg(struct msgb *msg, const uint8_t *data, unsigned int length) |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 261 | { |
| 262 | msgb_reset(msg); |
| 263 | msg->l2h = msgb_put(msg, length); |
| 264 | memcpy(msg->l2h, data, msgb_l2len(msg)); |
| 265 | } |
| 266 | |
| 267 | #define VERIFY(con_found, con, msg, ver, str) \ |
Holger Hans Peter Freyther | 49c7fb5 | 2010-06-15 18:48:55 +0800 | [diff] [blame] | 268 | if (!con_found || con_found->bsc != con) { \ |
Holger Hans Peter Freyther | 72ba162 | 2010-06-15 18:48:44 +0800 | [diff] [blame] | 269 | fprintf(stderr, "Failed to find the con: %p\n", con_found); \ |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 270 | abort(); \ |
| 271 | } \ |
| 272 | if (memcmp(msg->data, ver, sizeof(ver)) != 0) { \ |
| 273 | fprintf(stderr, "Failed to patch the %s msg.\n", str); \ |
| 274 | abort(); \ |
| 275 | } |
| 276 | |
| 277 | /* test conn tracking once */ |
| 278 | static void test_contrack() |
| 279 | { |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 280 | struct bsc_nat *nat; |
Holger Hans Peter Freyther | 49c7fb5 | 2010-06-15 18:48:55 +0800 | [diff] [blame] | 281 | struct bsc_connection *con; |
| 282 | struct sccp_connections *con_found; |
Holger Hans Peter Freyther | fa20c94 | 2010-05-16 16:51:31 +0800 | [diff] [blame] | 283 | struct sccp_connections *rc_con; |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 284 | struct bsc_nat_parsed *parsed; |
| 285 | struct msgb *msg; |
| 286 | |
| 287 | fprintf(stderr, "Testing connection tracking.\n"); |
| 288 | nat = bsc_nat_alloc(); |
| 289 | con = bsc_connection_alloc(nat); |
Holger Hans Peter Freyther | 0bd60f3 | 2010-10-08 22:08:29 +0800 | [diff] [blame] | 290 | con->cfg = bsc_config_alloc(nat, "foo"); |
| 291 | bsc_config_add_lac(con->cfg, 23); |
| 292 | bsc_config_add_lac(con->cfg, 49); |
| 293 | bsc_config_add_lac(con->cfg, 42); |
| 294 | bsc_config_del_lac(con->cfg, 49); |
| 295 | bsc_config_add_lac(con->cfg, 1111); |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 296 | msg = msgb_alloc(4096, "test"); |
| 297 | |
| 298 | /* 1.) create a connection */ |
| 299 | copy_to_msg(msg, bsc_cr, sizeof(bsc_cr)); |
| 300 | parsed = bsc_nat_parse(msg); |
Holger Hans Peter Freyther | b5513ca | 2010-04-21 18:56:12 +0800 | [diff] [blame] | 301 | con_found = patch_sccp_src_ref_to_msc(msg, parsed, con); |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 302 | if (con_found != NULL) { |
Holger Hans Peter Freyther | 72ba162 | 2010-06-15 18:48:44 +0800 | [diff] [blame] | 303 | fprintf(stderr, "Con should not exist %p\n", con_found); |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 304 | abort(); |
| 305 | } |
Holger Hans Peter Freyther | fa20c94 | 2010-05-16 16:51:31 +0800 | [diff] [blame] | 306 | rc_con = create_sccp_src_ref(con, parsed); |
| 307 | if (!rc_con) { |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 308 | fprintf(stderr, "Failed to create a ref\n"); |
| 309 | abort(); |
| 310 | } |
Holger Hans Peter Freyther | b5513ca | 2010-04-21 18:56:12 +0800 | [diff] [blame] | 311 | con_found = patch_sccp_src_ref_to_msc(msg, parsed, con); |
Holger Hans Peter Freyther | 49c7fb5 | 2010-06-15 18:48:55 +0800 | [diff] [blame] | 312 | if (!con_found || con_found->bsc != con) { |
Holger Hans Peter Freyther | 72ba162 | 2010-06-15 18:48:44 +0800 | [diff] [blame] | 313 | fprintf(stderr, "Failed to find the con: %p\n", con_found); |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 314 | abort(); |
| 315 | } |
Holger Hans Peter Freyther | fa20c94 | 2010-05-16 16:51:31 +0800 | [diff] [blame] | 316 | if (con_found != rc_con) { |
| 317 | fprintf(stderr, "Failed to find the right connection.\n"); |
| 318 | abort(); |
| 319 | } |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 320 | if (memcmp(msg->data, bsc_cr_patched, sizeof(bsc_cr_patched)) != 0) { |
| 321 | fprintf(stderr, "Failed to patch the BSC CR msg.\n"); |
| 322 | abort(); |
| 323 | } |
| 324 | talloc_free(parsed); |
| 325 | |
| 326 | /* 2.) get the cc */ |
| 327 | copy_to_msg(msg, msc_cc, sizeof(msc_cc)); |
| 328 | parsed = bsc_nat_parse(msg); |
Holger Hans Peter Freyther | 49c7fb5 | 2010-06-15 18:48:55 +0800 | [diff] [blame] | 329 | con_found = patch_sccp_src_ref_to_bsc(msg, parsed, nat); |
| 330 | VERIFY(con_found, con, msg, msc_cc_patched, "MSC CC"); |
| 331 | if (update_sccp_src_ref(con_found, parsed) != 0) { |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 332 | fprintf(stderr, "Failed to update the SCCP con.\n"); |
| 333 | abort(); |
| 334 | } |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 335 | |
| 336 | /* 3.) send some data */ |
| 337 | copy_to_msg(msg, bsc_dtap, sizeof(bsc_dtap)); |
| 338 | parsed = bsc_nat_parse(msg); |
Holger Hans Peter Freyther | b5513ca | 2010-04-21 18:56:12 +0800 | [diff] [blame] | 339 | con_found = patch_sccp_src_ref_to_msc(msg, parsed, con); |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 340 | VERIFY(con_found, con, msg, bsc_dtap_patched, "BSC DTAP"); |
| 341 | |
| 342 | /* 4.) receive some data */ |
| 343 | copy_to_msg(msg, msc_dtap, sizeof(msc_dtap)); |
| 344 | parsed = bsc_nat_parse(msg); |
| 345 | con_found = patch_sccp_src_ref_to_bsc(msg, parsed, nat); |
| 346 | VERIFY(con_found, con, msg, msc_dtap_patched, "MSC DTAP"); |
| 347 | |
| 348 | /* 5.) close the connection */ |
| 349 | copy_to_msg(msg, msc_rlsd, sizeof(msc_rlsd)); |
| 350 | parsed = bsc_nat_parse(msg); |
| 351 | con_found = patch_sccp_src_ref_to_bsc(msg, parsed, nat); |
| 352 | VERIFY(con_found, con, msg, msc_rlsd_patched, "MSC RLSD"); |
| 353 | |
| 354 | /* 6.) confirm the connection close */ |
| 355 | copy_to_msg(msg, bsc_rlc, sizeof(bsc_rlc)); |
| 356 | parsed = bsc_nat_parse(msg); |
Holger Hans Peter Freyther | b5513ca | 2010-04-21 18:56:12 +0800 | [diff] [blame] | 357 | con_found = patch_sccp_src_ref_to_msc(msg, parsed, con); |
Holger Hans Peter Freyther | 49c7fb5 | 2010-06-15 18:48:55 +0800 | [diff] [blame] | 358 | if (!con_found || con_found->bsc != con) { |
Holger Hans Peter Freyther | 72ba162 | 2010-06-15 18:48:44 +0800 | [diff] [blame] | 359 | fprintf(stderr, "Failed to find the con: %p\n", con_found); |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 360 | abort(); |
| 361 | } |
| 362 | if (memcmp(msg->data, bsc_rlc_patched, sizeof(bsc_rlc_patched)) != 0) { |
| 363 | fprintf(stderr, "Failed to patch the BSC CR msg.\n"); |
| 364 | abort(); |
| 365 | } |
| 366 | remove_sccp_src_ref(con, msg, parsed); |
Holger Hans Peter Freyther | 9d51855 | 2010-04-05 21:44:51 +0200 | [diff] [blame] | 367 | talloc_free(parsed); |
| 368 | |
| 369 | copy_to_msg(msg, bsc_rlc, sizeof(bsc_rlc)); |
| 370 | parsed = bsc_nat_parse(msg); |
Holger Hans Peter Freyther | b5513ca | 2010-04-21 18:56:12 +0800 | [diff] [blame] | 371 | con_found = patch_sccp_src_ref_to_msc(msg, parsed, con); |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 372 | |
| 373 | /* verify that it is gone */ |
| 374 | if (con_found != NULL) { |
Holger Hans Peter Freyther | 72ba162 | 2010-06-15 18:48:44 +0800 | [diff] [blame] | 375 | fprintf(stderr, "Con should be gone. %p\n", con_found); |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 376 | abort(); |
| 377 | } |
| 378 | talloc_free(parsed); |
| 379 | |
| 380 | |
Holger Hans Peter Freyther | 9212d9d | 2011-02-27 11:18:41 +0100 | [diff] [blame] | 381 | bsc_config_free(con->cfg); |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 382 | talloc_free(nat); |
| 383 | msgb_free(msg); |
| 384 | } |
| 385 | |
Holger Hans Peter Freyther | 04fd992 | 2010-03-30 06:51:53 +0200 | [diff] [blame] | 386 | static void test_paging(void) |
| 387 | { |
| 388 | struct bsc_nat *nat; |
| 389 | struct bsc_connection *con; |
Holger Hans Peter Freyther | 0bd60f3 | 2010-10-08 22:08:29 +0800 | [diff] [blame] | 390 | struct bsc_config *cfg; |
Holger Hans Peter Freyther | 04fd992 | 2010-03-30 06:51:53 +0200 | [diff] [blame] | 391 | |
| 392 | fprintf(stderr, "Testing paging by lac.\n"); |
| 393 | |
| 394 | nat = bsc_nat_alloc(); |
| 395 | con = bsc_connection_alloc(nat); |
Holger Hans Peter Freyther | 0bd60f3 | 2010-10-08 22:08:29 +0800 | [diff] [blame] | 396 | cfg = bsc_config_alloc(nat, "unknown"); |
| 397 | con->cfg = cfg; |
| 398 | bsc_config_add_lac(cfg, 23); |
Holger Hans Peter Freyther | 04fd992 | 2010-03-30 06:51:53 +0200 | [diff] [blame] | 399 | con->authenticated = 1; |
| 400 | llist_add(&con->list_entry, &nat->bsc_connections); |
Holger Hans Peter Freyther | 04fd992 | 2010-03-30 06:51:53 +0200 | [diff] [blame] | 401 | |
| 402 | /* Test it by not finding it */ |
Holger Hans Peter Freyther | 1ffe98c | 2011-05-02 16:20:32 +0200 | [diff] [blame] | 403 | if (bsc_config_handles_lac(cfg, 8213) != 0) { |
| 404 | fprintf(stderr, "Should not be handled.\n"); |
Holger Hans Peter Freyther | 04fd992 | 2010-03-30 06:51:53 +0200 | [diff] [blame] | 405 | abort(); |
| 406 | } |
Holger Hans Peter Freyther | 04fd992 | 2010-03-30 06:51:53 +0200 | [diff] [blame] | 407 | |
| 408 | /* Test by finding it */ |
Holger Hans Peter Freyther | 0bd60f3 | 2010-10-08 22:08:29 +0800 | [diff] [blame] | 409 | bsc_config_del_lac(cfg, 23); |
| 410 | bsc_config_add_lac(cfg, 8213); |
Holger Hans Peter Freyther | 1ffe98c | 2011-05-02 16:20:32 +0200 | [diff] [blame] | 411 | if (bsc_config_handles_lac(cfg, 8213) == 0) { |
Holger Hans Peter Freyther | 04fd992 | 2010-03-30 06:51:53 +0200 | [diff] [blame] | 412 | fprintf(stderr, "Should have found it.\n"); |
| 413 | abort(); |
| 414 | } |
Holger Hans Peter Freyther | 04fd992 | 2010-03-30 06:51:53 +0200 | [diff] [blame] | 415 | } |
| 416 | |
Holger Hans Peter Freyther | a9e9331 | 2011-02-26 11:38:00 +0100 | [diff] [blame] | 417 | static void test_mgcp_allocations(void) |
| 418 | { |
| 419 | #if 0 |
| 420 | struct bsc_connection *bsc; |
| 421 | struct bsc_nat *nat; |
| 422 | struct sccp_connections con; |
Holger Hans Peter Freyther | 9ec030d | 2011-02-27 11:04:27 +0100 | [diff] [blame] | 423 | int i, j, multiplex; |
Holger Hans Peter Freyther | a9e9331 | 2011-02-26 11:38:00 +0100 | [diff] [blame] | 424 | |
| 425 | fprintf(stderr, "Testing MGCP.\n"); |
| 426 | memset(&con, 0, sizeof(con)); |
| 427 | |
| 428 | nat = bsc_nat_alloc(); |
| 429 | nat->bsc_endpoints = talloc_zero_array(nat, |
| 430 | struct bsc_endpoint, |
| 431 | 65); |
| 432 | nat->mgcp_cfg = mgcp_config_alloc(); |
Holger Hans Peter Freyther | 88ad772 | 2011-02-28 00:56:17 +0100 | [diff] [blame] | 433 | nat->mgcp_cfg->trunk.number_endpoints = 64; |
Holger Hans Peter Freyther | a9e9331 | 2011-02-26 11:38:00 +0100 | [diff] [blame] | 434 | |
| 435 | bsc = bsc_connection_alloc(nat); |
| 436 | bsc->cfg = bsc_config_alloc(nat, "foo"); |
Holger Hans Peter Freyther | 9ec030d | 2011-02-27 11:04:27 +0100 | [diff] [blame] | 437 | bsc->cfg->max_endpoints = 60; |
Holger Hans Peter Freyther | a9e9331 | 2011-02-26 11:38:00 +0100 | [diff] [blame] | 438 | bsc_config_add_lac(bsc->cfg, 2323); |
| 439 | bsc->last_endpoint = 0x22; |
| 440 | con.bsc = bsc; |
| 441 | |
| 442 | bsc_init_endps_if_needed(bsc); |
| 443 | |
| 444 | i = 1; |
| 445 | do { |
| 446 | if (bsc_assign_endpoint(bsc, &con) != 0) { |
| 447 | fprintf(stderr, "failed to allocate... on iteration %d\n", i); |
| 448 | break; |
| 449 | } |
| 450 | ++i; |
| 451 | } while(1); |
| 452 | |
Holger Hans Peter Freyther | 9ec030d | 2011-02-27 11:04:27 +0100 | [diff] [blame] | 453 | multiplex = bsc_mgcp_nr_multiplexes(bsc->cfg->max_endpoints); |
| 454 | for (i = 0; i < multiplex; ++i) { |
Holger Hans Peter Freyther | a9e9331 | 2011-02-26 11:38:00 +0100 | [diff] [blame] | 455 | for (j = 0; j < 32; ++j) |
| 456 | printf("%d", bsc->_endpoint_status[i*32 + j]); |
| 457 | printf(": %d of %d\n", i*32 + 32, 32 * 8); |
| 458 | } |
| 459 | #endif |
| 460 | } |
| 461 | |
Holger Hans Peter Freyther | fc9bd23 | 2010-04-01 03:55:27 +0200 | [diff] [blame] | 462 | static void test_mgcp_ass_tracking(void) |
Holger Hans Peter Freyther | 465313e | 2010-06-15 18:49:53 +0800 | [diff] [blame] | 463 | { |
Holger Hans Peter Freyther | 7b7eef6 | 2010-04-22 12:08:17 +0800 | [diff] [blame] | 464 | struct bsc_connection *bsc; |
| 465 | struct bsc_nat *nat; |
Holger Hans Peter Freyther | 465313e | 2010-06-15 18:49:53 +0800 | [diff] [blame] | 466 | struct sccp_connections con; |
| 467 | struct bsc_nat_parsed *parsed; |
| 468 | struct msgb *msg; |
| 469 | |
| 470 | fprintf(stderr, "Testing MGCP.\n"); |
| 471 | memset(&con, 0, sizeof(con)); |
| 472 | |
Holger Hans Peter Freyther | 7b7eef6 | 2010-04-22 12:08:17 +0800 | [diff] [blame] | 473 | nat = bsc_nat_alloc(); |
| 474 | nat->bsc_endpoints = talloc_zero_array(nat, |
| 475 | struct bsc_endpoint, |
| 476 | 33); |
Holger Hans Peter Freyther | 7e0cc50 | 2011-02-25 12:43:58 +0100 | [diff] [blame] | 477 | nat->mgcp_cfg = mgcp_config_alloc(); |
Holger Hans Peter Freyther | 88ad772 | 2011-02-28 00:56:17 +0100 | [diff] [blame] | 478 | nat->mgcp_cfg->trunk.number_endpoints = 64; |
Holger Hans Peter Freyther | 7e0cc50 | 2011-02-25 12:43:58 +0100 | [diff] [blame] | 479 | |
Holger Hans Peter Freyther | 7b7eef6 | 2010-04-22 12:08:17 +0800 | [diff] [blame] | 480 | bsc = bsc_connection_alloc(nat); |
Holger Hans Peter Freyther | 0bd60f3 | 2010-10-08 22:08:29 +0800 | [diff] [blame] | 481 | bsc->cfg = bsc_config_alloc(nat, "foo"); |
| 482 | bsc_config_add_lac(bsc->cfg, 2323); |
Holger Hans Peter Freyther | 86c1db6 | 2011-02-25 17:10:25 +0100 | [diff] [blame] | 483 | bsc->last_endpoint = 0x1e; |
Holger Hans Peter Freyther | 7b7eef6 | 2010-04-22 12:08:17 +0800 | [diff] [blame] | 484 | con.bsc = bsc; |
| 485 | |
Holger Hans Peter Freyther | 465313e | 2010-06-15 18:49:53 +0800 | [diff] [blame] | 486 | msg = msgb_alloc(4096, "foo"); |
| 487 | copy_to_msg(msg, ass_cmd, sizeof(ass_cmd)); |
| 488 | parsed = bsc_nat_parse(msg); |
Holger Hans Peter Freyther | cd70237 | 2010-09-20 01:21:51 +0800 | [diff] [blame] | 489 | |
| 490 | if (msg->l2h[16] != 0 || |
| 491 | msg->l2h[17] != 0x1) { |
| 492 | fprintf(stderr, "Input is not as expected.. %s 0x%x\n", |
Pablo Neira Ayuso | c0d17f2 | 2011-05-07 12:12:48 +0200 | [diff] [blame] | 493 | osmo_hexdump(msg->l2h, msgb_l2len(msg)), |
Holger Hans Peter Freyther | cd70237 | 2010-09-20 01:21:51 +0800 | [diff] [blame] | 494 | msg->l2h[17]); |
| 495 | abort(); |
| 496 | } |
| 497 | |
Holger Hans Peter Freyther | 45fd07d | 2010-08-28 18:22:14 +0800 | [diff] [blame] | 498 | if (bsc_mgcp_assign_patch(&con, msg) != 0) { |
Holger Hans Peter Freyther | 465313e | 2010-06-15 18:49:53 +0800 | [diff] [blame] | 499 | fprintf(stderr, "Failed to handle assignment.\n"); |
| 500 | abort(); |
| 501 | } |
| 502 | |
Holger Hans Peter Freyther | cd70237 | 2010-09-20 01:21:51 +0800 | [diff] [blame] | 503 | if (con.msc_endp != 1) { |
| 504 | fprintf(stderr, "Timeslot should be 1.\n"); |
Holger Hans Peter Freyther | 465313e | 2010-06-15 18:49:53 +0800 | [diff] [blame] | 505 | abort(); |
| 506 | } |
| 507 | |
Holger Hans Peter Freyther | 86c1db6 | 2011-02-25 17:10:25 +0100 | [diff] [blame] | 508 | if (con.bsc_endp != 0x1) { |
Holger Hans Peter Freyther | 45fd07d | 2010-08-28 18:22:14 +0800 | [diff] [blame] | 509 | fprintf(stderr, "Assigned timeslot should have been 1.\n"); |
Holger Hans Peter Freyther | 465313e | 2010-06-15 18:49:53 +0800 | [diff] [blame] | 510 | abort(); |
| 511 | } |
Holger Hans Peter Freyther | 86c1db6 | 2011-02-25 17:10:25 +0100 | [diff] [blame] | 512 | if (con.bsc->_endpoint_status[0x1] != 1) { |
Holger Hans Peter Freyther | 45fd07d | 2010-08-28 18:22:14 +0800 | [diff] [blame] | 513 | fprintf(stderr, "The status on the BSC is wrong.\n"); |
| 514 | abort(); |
| 515 | } |
| 516 | |
Holger Hans Peter Freyther | cd70237 | 2010-09-20 01:21:51 +0800 | [diff] [blame] | 517 | int multiplex, timeslot; |
Holger Hans Peter Freyther | 86c1db6 | 2011-02-25 17:10:25 +0100 | [diff] [blame] | 518 | mgcp_endpoint_to_timeslot(0x1, &multiplex, ×lot); |
Holger Hans Peter Freyther | cd70237 | 2010-09-20 01:21:51 +0800 | [diff] [blame] | 519 | |
| 520 | uint16_t cic = htons(timeslot & 0x1f); |
| 521 | if (memcmp(&cic, &msg->l2h[16], sizeof(cic)) != 0) { |
| 522 | fprintf(stderr, "Message was not patched properly\n"); |
Pablo Neira Ayuso | c0d17f2 | 2011-05-07 12:12:48 +0200 | [diff] [blame] | 523 | fprintf(stderr, "data cic: 0x%x %s\n", cic, osmo_hexdump(msg->l2h, msgb_l2len(msg))); |
Holger Hans Peter Freyther | cd70237 | 2010-09-20 01:21:51 +0800 | [diff] [blame] | 524 | abort(); |
| 525 | } |
| 526 | |
Holger Hans Peter Freyther | 465313e | 2010-06-15 18:49:53 +0800 | [diff] [blame] | 527 | talloc_free(parsed); |
| 528 | |
Holger Hans Peter Freyther | 7b7eef6 | 2010-04-22 12:08:17 +0800 | [diff] [blame] | 529 | bsc_mgcp_dlcx(&con); |
Holger Hans Peter Freyther | d2df4ca | 2010-09-19 20:54:21 +0800 | [diff] [blame] | 530 | if (con.bsc_endp != -1 || con.msc_endp != -1 || |
Holger Hans Peter Freyther | 86c1db6 | 2011-02-25 17:10:25 +0100 | [diff] [blame] | 531 | con.bsc->_endpoint_status[1] != 0 || con.bsc->last_endpoint != 0x1) { |
Holger Hans Peter Freyther | 465313e | 2010-06-15 18:49:53 +0800 | [diff] [blame] | 532 | fprintf(stderr, "Clearing should remove the mapping.\n"); |
| 533 | abort(); |
| 534 | } |
Holger Hans Peter Freyther | 7b7eef6 | 2010-04-22 12:08:17 +0800 | [diff] [blame] | 535 | |
Holger Hans Peter Freyther | 9212d9d | 2011-02-27 11:18:41 +0100 | [diff] [blame] | 536 | bsc_config_free(bsc->cfg); |
Holger Hans Peter Freyther | 7b7eef6 | 2010-04-22 12:08:17 +0800 | [diff] [blame] | 537 | talloc_free(nat); |
Holger Hans Peter Freyther | 465313e | 2010-06-15 18:49:53 +0800 | [diff] [blame] | 538 | } |
| 539 | |
Holger Hans Peter Freyther | fc9bd23 | 2010-04-01 03:55:27 +0200 | [diff] [blame] | 540 | /* test the code to find a given connection */ |
| 541 | static void test_mgcp_find(void) |
| 542 | { |
| 543 | struct bsc_nat *nat; |
| 544 | struct bsc_connection *con; |
| 545 | struct sccp_connections *sccp_con; |
| 546 | |
| 547 | fprintf(stderr, "Testing finding of a BSC Connection\n"); |
| 548 | |
| 549 | nat = bsc_nat_alloc(); |
| 550 | con = bsc_connection_alloc(nat); |
| 551 | llist_add(&con->list_entry, &nat->bsc_connections); |
| 552 | |
| 553 | sccp_con = talloc_zero(con, struct sccp_connections); |
Holger Hans Peter Freyther | f4b3439 | 2010-08-28 16:08:39 +0800 | [diff] [blame] | 554 | sccp_con->msc_endp = 12; |
| 555 | sccp_con->bsc_endp = 12; |
Holger Hans Peter Freyther | fc9bd23 | 2010-04-01 03:55:27 +0200 | [diff] [blame] | 556 | sccp_con->bsc = con; |
| 557 | llist_add(&sccp_con->list_entry, &nat->sccp_connections); |
| 558 | |
| 559 | if (bsc_mgcp_find_con(nat, 11) != NULL) { |
| 560 | fprintf(stderr, "Found the wrong connection.\n"); |
| 561 | abort(); |
| 562 | } |
| 563 | |
Holger Hans Peter Freyther | 08a1b16 | 2010-04-18 02:26:16 +0800 | [diff] [blame] | 564 | if (bsc_mgcp_find_con(nat, 12) != sccp_con) { |
Holger Hans Peter Freyther | fc9bd23 | 2010-04-01 03:55:27 +0200 | [diff] [blame] | 565 | fprintf(stderr, "Didn't find the connection\n"); |
| 566 | abort(); |
| 567 | } |
| 568 | |
Holger Hans Peter Freyther | fc9bd23 | 2010-04-01 03:55:27 +0200 | [diff] [blame] | 569 | /* free everything */ |
| 570 | talloc_free(nat); |
| 571 | } |
| 572 | |
Holger Hans Peter Freyther | 76c8354 | 2010-04-01 06:48:52 +0200 | [diff] [blame] | 573 | static void test_mgcp_rewrite(void) |
| 574 | { |
| 575 | int i; |
Holger Hans Peter Freyther | 8d20065 | 2010-04-04 18:09:10 +0200 | [diff] [blame] | 576 | struct msgb *output; |
Holger Hans Peter Freyther | 76c8354 | 2010-04-01 06:48:52 +0200 | [diff] [blame] | 577 | fprintf(stderr, "Test rewriting MGCP messages.\n"); |
| 578 | |
Holger Hans Peter Freyther | 76c8354 | 2010-04-01 06:48:52 +0200 | [diff] [blame] | 579 | for (i = 0; i < ARRAY_SIZE(mgcp_messages); ++i) { |
| 580 | const char *orig = mgcp_messages[i].orig; |
| 581 | const char *patc = mgcp_messages[i].patch; |
| 582 | const char *ip = mgcp_messages[i].ip; |
| 583 | const int port = mgcp_messages[i].port; |
| 584 | |
Holger Hans Peter Freyther | 8d20065 | 2010-04-04 18:09:10 +0200 | [diff] [blame] | 585 | char *input = strdup(orig); |
Holger Hans Peter Freyther | 76c8354 | 2010-04-01 06:48:52 +0200 | [diff] [blame] | 586 | |
Holger Hans Peter Freyther | f7c86c5 | 2010-08-30 13:44:32 +0800 | [diff] [blame] | 587 | output = bsc_mgcp_rewrite(input, strlen(input), 0x1e, ip, port); |
Holger Hans Peter Freyther | 76c8354 | 2010-04-01 06:48:52 +0200 | [diff] [blame] | 588 | if (msgb_l2len(output) != strlen(patc)) { |
| 589 | fprintf(stderr, "Wrong sizes for test: %d %d != %d != %d\n", i, msgb_l2len(output), strlen(patc), strlen(orig)); |
| 590 | fprintf(stderr, "String '%s' vs '%s'\n", (const char *) output->l2h, patc); |
| 591 | abort(); |
| 592 | } |
| 593 | |
| 594 | if (memcmp(output->l2h, patc, msgb_l2len(output)) != 0) { |
| 595 | fprintf(stderr, "Broken on %d msg: '%s'\n", i, (const char *) output->l2h); |
| 596 | abort(); |
| 597 | } |
| 598 | |
| 599 | msgb_free(output); |
Holger Hans Peter Freyther | 8d20065 | 2010-04-04 18:09:10 +0200 | [diff] [blame] | 600 | free(input); |
Holger Hans Peter Freyther | 76c8354 | 2010-04-01 06:48:52 +0200 | [diff] [blame] | 601 | } |
Holger Hans Peter Freyther | 76c8354 | 2010-04-01 06:48:52 +0200 | [diff] [blame] | 602 | } |
| 603 | |
Holger Hans Peter Freyther | 3c3bce1 | 2010-04-01 10:16:28 +0200 | [diff] [blame] | 604 | static void test_mgcp_parse(void) |
| 605 | { |
| 606 | int code, ci; |
| 607 | char transaction[60]; |
| 608 | |
| 609 | fprintf(stderr, "Test MGCP response parsing.\n"); |
| 610 | |
| 611 | if (bsc_mgcp_parse_response(crcx_resp, &code, transaction) != 0) { |
| 612 | fprintf(stderr, "Failed to parse CRCX resp.\n"); |
| 613 | abort(); |
| 614 | } |
| 615 | |
| 616 | if (code != 200) { |
| 617 | fprintf(stderr, "Failed to parse the CODE properly. Got: %d\n", code); |
| 618 | abort(); |
| 619 | } |
| 620 | |
| 621 | if (strcmp(transaction, "23265295") != 0) { |
| 622 | fprintf(stderr, "Failed to parse transaction id: '%s'\n", transaction); |
| 623 | abort(); |
| 624 | } |
| 625 | |
| 626 | ci = bsc_mgcp_extract_ci(crcx_resp); |
| 627 | if (ci != 1) { |
| 628 | fprintf(stderr, "Failed to parse the CI. Got: %d\n", ci); |
| 629 | abort(); |
| 630 | } |
| 631 | } |
| 632 | |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 633 | struct cr_filter { |
Holger Hans Peter Freyther | dbd16fe | 2010-07-23 19:08:55 +0800 | [diff] [blame] | 634 | const uint8_t *data; |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 635 | int length; |
| 636 | int result; |
Holger Hans Peter Freyther | 19c0a84 | 2010-05-16 02:00:40 +0800 | [diff] [blame] | 637 | int contype; |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 638 | |
| 639 | const char *bsc_imsi_allow; |
| 640 | const char *bsc_imsi_deny; |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 641 | const char *nat_imsi_deny; |
| 642 | }; |
| 643 | |
| 644 | static struct cr_filter cr_filter[] = { |
| 645 | { |
| 646 | .data = bssmap_cr, |
| 647 | .length = sizeof(bssmap_cr), |
Holger Hans Peter Freyther | d880f54 | 2010-09-15 01:42:07 +0800 | [diff] [blame] | 648 | .result = 1, |
Holger Hans Peter Freyther | 19c0a84 | 2010-05-16 02:00:40 +0800 | [diff] [blame] | 649 | .contype = NAT_CON_TYPE_CM_SERV_REQ, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 650 | }, |
| 651 | { |
| 652 | .data = bss_lu, |
| 653 | .length = sizeof(bss_lu), |
Holger Hans Peter Freyther | d880f54 | 2010-09-15 01:42:07 +0800 | [diff] [blame] | 654 | .result = 1, |
Holger Hans Peter Freyther | 19c0a84 | 2010-05-16 02:00:40 +0800 | [diff] [blame] | 655 | .contype = NAT_CON_TYPE_LU, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 656 | }, |
| 657 | { |
Holger Hans Peter Freyther | f192498 | 2010-05-15 23:54:04 +0800 | [diff] [blame] | 658 | .data = pag_resp, |
| 659 | .length = sizeof(pag_resp), |
Holger Hans Peter Freyther | d880f54 | 2010-09-15 01:42:07 +0800 | [diff] [blame] | 660 | .result = 1, |
Holger Hans Peter Freyther | 19c0a84 | 2010-05-16 02:00:40 +0800 | [diff] [blame] | 661 | .contype = NAT_CON_TYPE_PAG_RESP, |
Holger Hans Peter Freyther | f192498 | 2010-05-15 23:54:04 +0800 | [diff] [blame] | 662 | }, |
| 663 | { |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 664 | /* nat deny is before blank/null BSC */ |
| 665 | .data = bss_lu, |
| 666 | .length = sizeof(bss_lu), |
| 667 | .result = -3, |
| 668 | .nat_imsi_deny = "[0-9]*", |
Holger Hans Peter Freyther | 19c0a84 | 2010-05-16 02:00:40 +0800 | [diff] [blame] | 669 | .contype = NAT_CON_TYPE_LU, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 670 | }, |
| 671 | { |
Holger Hans Peter Freyther | a0aeaa7 | 2010-05-14 23:07:58 +0800 | [diff] [blame] | 672 | /* BSC allow is before NAT deny */ |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 673 | .data = bss_lu, |
| 674 | .length = sizeof(bss_lu), |
Holger Hans Peter Freyther | d880f54 | 2010-09-15 01:42:07 +0800 | [diff] [blame] | 675 | .result = 1, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 676 | .nat_imsi_deny = "[0-9]*", |
Holger Hans Peter Freyther | a0aeaa7 | 2010-05-14 23:07:58 +0800 | [diff] [blame] | 677 | .bsc_imsi_allow = "2440[0-9]*", |
Holger Hans Peter Freyther | 19c0a84 | 2010-05-16 02:00:40 +0800 | [diff] [blame] | 678 | .contype = NAT_CON_TYPE_LU, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 679 | }, |
| 680 | { |
| 681 | /* BSC allow is before NAT deny */ |
| 682 | .data = bss_lu, |
| 683 | .length = sizeof(bss_lu), |
Holger Hans Peter Freyther | d880f54 | 2010-09-15 01:42:07 +0800 | [diff] [blame] | 684 | .result = 1, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 685 | .bsc_imsi_allow = "[0-9]*", |
| 686 | .nat_imsi_deny = "[0-9]*", |
Holger Hans Peter Freyther | 19c0a84 | 2010-05-16 02:00:40 +0800 | [diff] [blame] | 687 | .contype = NAT_CON_TYPE_LU, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 688 | }, |
| 689 | { |
| 690 | /* filter as deny is first */ |
| 691 | .data = bss_lu, |
| 692 | .length = sizeof(bss_lu), |
Holger Hans Peter Freyther | 1fd6063 | 2010-10-19 20:55:33 +0200 | [diff] [blame] | 693 | .result = 1, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 694 | .bsc_imsi_deny = "[0-9]*", |
| 695 | .bsc_imsi_allow = "[0-9]*", |
| 696 | .nat_imsi_deny = "[0-9]*", |
Holger Hans Peter Freyther | 19c0a84 | 2010-05-16 02:00:40 +0800 | [diff] [blame] | 697 | .contype = NAT_CON_TYPE_LU, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 698 | }, |
Holger Hans Peter Freyther | 1fd6063 | 2010-10-19 20:55:33 +0200 | [diff] [blame] | 699 | { |
| 700 | /* deny by nat rule */ |
| 701 | .data = bss_lu, |
| 702 | .length = sizeof(bss_lu), |
| 703 | .result = -3, |
| 704 | .bsc_imsi_deny = "000[0-9]*", |
| 705 | .nat_imsi_deny = "[0-9]*", |
| 706 | .contype = NAT_CON_TYPE_LU, |
| 707 | }, |
| 708 | { |
| 709 | /* deny by bsc rule */ |
| 710 | .data = bss_lu, |
| 711 | .length = sizeof(bss_lu), |
| 712 | .result = -2, |
| 713 | .bsc_imsi_deny = "[0-9]*", |
| 714 | .contype = NAT_CON_TYPE_LU, |
| 715 | }, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 716 | |
| 717 | }; |
| 718 | |
Holger Hans Peter Freyther | 0c08db1 | 2010-05-14 08:12:57 +0800 | [diff] [blame] | 719 | static void test_cr_filter() |
| 720 | { |
Holger Hans Peter Freyther | 19c0a84 | 2010-05-16 02:00:40 +0800 | [diff] [blame] | 721 | int i, res, contype; |
Holger Hans Peter Freyther | 0c08db1 | 2010-05-14 08:12:57 +0800 | [diff] [blame] | 722 | struct msgb *msg = msgb_alloc(4096, "test_cr_filter"); |
Holger Hans Peter Freyther | 0c08db1 | 2010-05-14 08:12:57 +0800 | [diff] [blame] | 723 | struct bsc_nat_parsed *parsed; |
Holger Hans Peter Freyther | 29c6703 | 2010-06-08 10:14:44 +0800 | [diff] [blame] | 724 | struct bsc_nat_acc_lst *nat_lst, *bsc_lst; |
Holger Hans Peter Freyther | d77c817 | 2010-06-08 10:53:39 +0800 | [diff] [blame] | 725 | struct bsc_nat_acc_lst_entry *nat_entry, *bsc_entry; |
Holger Hans Peter Freyther | 0c08db1 | 2010-05-14 08:12:57 +0800 | [diff] [blame] | 726 | |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 727 | struct bsc_nat *nat = bsc_nat_alloc(); |
| 728 | struct bsc_connection *bsc = bsc_connection_alloc(nat); |
Holger Hans Peter Freyther | 0bd60f3 | 2010-10-08 22:08:29 +0800 | [diff] [blame] | 729 | bsc->cfg = bsc_config_alloc(nat, "foo"); |
| 730 | bsc_config_add_lac(bsc->cfg, 1234); |
Holger Hans Peter Freyther | 8affef5 | 2010-06-01 01:03:13 +0800 | [diff] [blame] | 731 | bsc->cfg->acc_lst_name = "bsc"; |
| 732 | nat->acc_lst_name = "nat"; |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 733 | |
Holger Hans Peter Freyther | d77c817 | 2010-06-08 10:53:39 +0800 | [diff] [blame] | 734 | nat_lst = bsc_nat_acc_lst_get(nat, "nat"); |
| 735 | bsc_lst = bsc_nat_acc_lst_get(nat, "bsc"); |
| 736 | |
| 737 | bsc_entry = bsc_nat_acc_lst_entry_create(bsc_lst); |
| 738 | nat_entry = bsc_nat_acc_lst_entry_create(nat_lst); |
| 739 | |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 740 | for (i = 0; i < ARRAY_SIZE(cr_filter); ++i) { |
Holger Hans Peter Freyther | 749497e | 2010-09-29 01:19:42 +0800 | [diff] [blame] | 741 | char *imsi; |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 742 | msgb_reset(msg); |
| 743 | copy_to_msg(msg, cr_filter[i].data, cr_filter[i].length); |
| 744 | |
Holger Hans Peter Freyther | 29c6703 | 2010-06-08 10:14:44 +0800 | [diff] [blame] | 745 | nat_lst = bsc_nat_acc_lst_get(nat, "nat"); |
| 746 | bsc_lst = bsc_nat_acc_lst_get(nat, "bsc"); |
Holger Hans Peter Freyther | 8affef5 | 2010-06-01 01:03:13 +0800 | [diff] [blame] | 747 | |
Holger Hans Peter Freyther | 4c9557e | 2011-04-04 19:19:26 +0200 | [diff] [blame] | 748 | if (bsc_parse_reg(nat_entry, &nat_entry->imsi_deny_re, &nat_entry->imsi_deny, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 749 | cr_filter[i].nat_imsi_deny ? 1 : 0, |
Holger Hans Peter Freyther | 4c9557e | 2011-04-04 19:19:26 +0200 | [diff] [blame] | 750 | &cr_filter[i].nat_imsi_deny) != 0) |
| 751 | abort(); |
| 752 | if (bsc_parse_reg(bsc_entry, &bsc_entry->imsi_allow_re, &bsc_entry->imsi_allow, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 753 | cr_filter[i].bsc_imsi_allow ? 1 : 0, |
Holger Hans Peter Freyther | 4c9557e | 2011-04-04 19:19:26 +0200 | [diff] [blame] | 754 | &cr_filter[i].bsc_imsi_allow) != 0) |
| 755 | abort(); |
| 756 | if (bsc_parse_reg(bsc_entry, &bsc_entry->imsi_deny_re, &bsc_entry->imsi_deny, |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 757 | cr_filter[i].bsc_imsi_deny ? 1 : 0, |
Holger Hans Peter Freyther | 4c9557e | 2011-04-04 19:19:26 +0200 | [diff] [blame] | 758 | &cr_filter[i].bsc_imsi_deny) != 0) |
| 759 | abort(); |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 760 | |
| 761 | parsed = bsc_nat_parse(msg); |
| 762 | if (!parsed) { |
| 763 | fprintf(stderr, "FAIL: Failed to parse the message\n"); |
| 764 | abort(); |
| 765 | } |
| 766 | |
Holger Hans Peter Freyther | 749497e | 2010-09-29 01:19:42 +0800 | [diff] [blame] | 767 | res = bsc_nat_filter_sccp_cr(bsc, msg, parsed, &contype, &imsi); |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 768 | if (res != cr_filter[i].result) { |
| 769 | fprintf(stderr, "FAIL: Wrong result %d for test %d.\n", res, i); |
| 770 | abort(); |
| 771 | } |
| 772 | |
Holger Hans Peter Freyther | 19c0a84 | 2010-05-16 02:00:40 +0800 | [diff] [blame] | 773 | if (contype != cr_filter[i].contype) { |
| 774 | fprintf(stderr, "FAIL: Wrong contype %d for test %d.\n", res, contype); |
| 775 | abort(); |
| 776 | } |
| 777 | |
Holger Hans Peter Freyther | 749497e | 2010-09-29 01:19:42 +0800 | [diff] [blame] | 778 | talloc_steal(parsed, imsi); |
Holger Hans Peter Freyther | 34a96ae | 2010-05-14 19:49:35 +0800 | [diff] [blame] | 779 | talloc_free(parsed); |
Holger Hans Peter Freyther | 0c08db1 | 2010-05-14 08:12:57 +0800 | [diff] [blame] | 780 | } |
| 781 | |
Holger Hans Peter Freyther | 0c08db1 | 2010-05-14 08:12:57 +0800 | [diff] [blame] | 782 | msgb_free(msg); |
| 783 | } |
| 784 | |
Holger Hans Peter Freyther | 3268540 | 2010-09-15 05:20:40 +0800 | [diff] [blame] | 785 | static void test_dt_filter() |
| 786 | { |
| 787 | int i; |
| 788 | struct msgb *msg = msgb_alloc(4096, "test_dt_filter"); |
| 789 | struct bsc_nat_parsed *parsed; |
| 790 | |
| 791 | struct bsc_nat *nat = bsc_nat_alloc(); |
| 792 | struct bsc_connection *bsc = bsc_connection_alloc(nat); |
| 793 | struct sccp_connections *con = talloc_zero(0, struct sccp_connections); |
| 794 | |
Holger Hans Peter Freyther | 0bd60f3 | 2010-10-08 22:08:29 +0800 | [diff] [blame] | 795 | bsc->cfg = bsc_config_alloc(nat, "foo"); |
| 796 | bsc_config_add_lac(bsc->cfg, 23); |
Holger Hans Peter Freyther | 3268540 | 2010-09-15 05:20:40 +0800 | [diff] [blame] | 797 | con->bsc = bsc; |
| 798 | |
| 799 | msgb_reset(msg); |
| 800 | copy_to_msg(msg, id_resp, ARRAY_SIZE(id_resp)); |
| 801 | |
| 802 | parsed = bsc_nat_parse(msg); |
| 803 | if (!parsed) { |
| 804 | fprintf(stderr, "FAIL: Could not parse ID resp\n"); |
| 805 | abort(); |
| 806 | } |
| 807 | |
| 808 | if (parsed->bssap != BSSAP_MSG_DTAP) { |
| 809 | fprintf(stderr, "FAIL: It should be dtap\n"); |
| 810 | abort(); |
| 811 | } |
| 812 | |
| 813 | /* gsm_type is actually the size of the dtap */ |
| 814 | if (parsed->gsm_type < msgb_l3len(msg) - 3) { |
| 815 | fprintf(stderr, "FAIL: Not enough space for the content\n"); |
| 816 | abort(); |
| 817 | } |
| 818 | |
| 819 | if (bsc_nat_filter_dt(bsc, msg, con, parsed) != 1) { |
| 820 | fprintf(stderr, "FAIL: Should have passed..\n"); |
| 821 | abort(); |
| 822 | } |
| 823 | |
| 824 | /* just some basic length checking... */ |
| 825 | for (i = ARRAY_SIZE(id_resp); i >= 0; --i) { |
| 826 | msgb_reset(msg); |
| 827 | copy_to_msg(msg, id_resp, ARRAY_SIZE(id_resp)); |
| 828 | |
| 829 | parsed = bsc_nat_parse(msg); |
| 830 | if (!parsed) |
| 831 | continue; |
| 832 | |
| 833 | con->imsi_checked = 0; |
| 834 | bsc_nat_filter_dt(bsc, msg, con, parsed); |
| 835 | } |
| 836 | } |
| 837 | |
Holger Hans Peter Freyther | 73bbf89 | 2010-10-21 14:46:57 +0200 | [diff] [blame] | 838 | static void test_setup_rewrite() |
| 839 | { |
| 840 | struct msgb *msg = msgb_alloc(4096, "test_dt_filter"); |
| 841 | struct msgb *out; |
| 842 | struct bsc_nat_parsed *parsed; |
| 843 | const char *imsi = "27408000001234"; |
| 844 | |
| 845 | struct bsc_nat *nat = bsc_nat_alloc(); |
| 846 | |
| 847 | /* a fake list */ |
Pablo Neira Ayuso | ab46cf3 | 2011-05-07 13:11:20 +0200 | [diff] [blame] | 848 | struct osmo_config_list entries; |
| 849 | struct osmo_config_entry entry; |
Holger Hans Peter Freyther | 73bbf89 | 2010-10-21 14:46:57 +0200 | [diff] [blame] | 850 | |
| 851 | INIT_LLIST_HEAD(&entries.entry); |
| 852 | entry.mcc = "274"; |
| 853 | entry.mnc = "08"; |
| 854 | entry.option = "^0([1-9])"; |
| 855 | entry.text = "0049"; |
| 856 | llist_add_tail(&entry.list, &entries.entry); |
Holger Hans Peter Freyther | 9c20571 | 2011-05-27 17:14:15 +0200 | [diff] [blame] | 857 | bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr, &entries); |
Holger Hans Peter Freyther | 73bbf89 | 2010-10-21 14:46:57 +0200 | [diff] [blame] | 858 | |
| 859 | /* verify that nothing changed */ |
| 860 | msgb_reset(msg); |
| 861 | copy_to_msg(msg, cc_setup_international, ARRAY_SIZE(cc_setup_international)); |
| 862 | parsed = bsc_nat_parse(msg); |
| 863 | if (!parsed) { |
| 864 | fprintf(stderr, "FAIL: Could not parse ID resp\n"); |
| 865 | abort(); |
| 866 | } |
| 867 | |
Holger Hans Peter Freyther | df8e6e9 | 2011-05-27 14:09:55 +0200 | [diff] [blame] | 868 | out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi); |
Holger Hans Peter Freyther | 73bbf89 | 2010-10-21 14:46:57 +0200 | [diff] [blame] | 869 | if (msg != out) { |
| 870 | fprintf(stderr, "FAIL: The message should not have been changed\n"); |
| 871 | abort(); |
| 872 | } |
| 873 | |
| 874 | if (out->len != ARRAY_SIZE(cc_setup_international)) { |
| 875 | fprintf(stderr, "FAIL: Length of message changed\n"); |
| 876 | abort(); |
| 877 | } |
| 878 | |
| 879 | if (memcmp(out->data, cc_setup_international, out->len) != 0) { |
| 880 | fprintf(stderr, "FAIL: Content modified..\n"); |
| 881 | abort(); |
| 882 | } |
| 883 | talloc_free(parsed); |
| 884 | |
| 885 | /* verify that something in the message changes */ |
| 886 | msgb_reset(msg); |
| 887 | copy_to_msg(msg, cc_setup_national, ARRAY_SIZE(cc_setup_national)); |
| 888 | parsed = bsc_nat_parse(msg); |
| 889 | if (!parsed) { |
| 890 | fprintf(stderr, "FAIL: Could not parse ID resp\n"); |
| 891 | abort(); |
| 892 | } |
| 893 | |
Holger Hans Peter Freyther | df8e6e9 | 2011-05-27 14:09:55 +0200 | [diff] [blame] | 894 | out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi); |
Holger Hans Peter Freyther | 73bbf89 | 2010-10-21 14:46:57 +0200 | [diff] [blame] | 895 | if (!out) { |
| 896 | fprintf(stderr, "FAIL: A new message should be created.\n"); |
| 897 | abort(); |
| 898 | } |
| 899 | |
| 900 | if (msg == out) { |
| 901 | fprintf(stderr, "FAIL: The message should have changed\n"); |
| 902 | abort(); |
| 903 | } |
| 904 | |
| 905 | if (out->len != ARRAY_SIZE(cc_setup_national_patched)) { |
| 906 | fprintf(stderr, "FAIL: Length is wrong.\n"); |
| 907 | abort(); |
| 908 | } |
| 909 | |
| 910 | if (memcmp(cc_setup_national_patched, out->data, out->len) != 0) { |
| 911 | fprintf(stderr, "FAIL: Data is wrong.\n"); |
Pablo Neira Ayuso | c0d17f2 | 2011-05-07 12:12:48 +0200 | [diff] [blame] | 912 | fprintf(stderr, "Data was: %s\n", osmo_hexdump(out->data, out->len)); |
Holger Hans Peter Freyther | 73bbf89 | 2010-10-21 14:46:57 +0200 | [diff] [blame] | 913 | abort(); |
| 914 | } |
| 915 | |
| 916 | msgb_free(out); |
Holger Hans Peter Freyther | 74779c6 | 2010-10-28 15:27:00 +0200 | [diff] [blame] | 917 | |
| 918 | /* Make sure that a wildcard is matching */ |
| 919 | entry.mnc = "*"; |
Holger Hans Peter Freyther | 9c20571 | 2011-05-27 17:14:15 +0200 | [diff] [blame] | 920 | bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr, &entries); |
Holger Hans Peter Freyther | 74779c6 | 2010-10-28 15:27:00 +0200 | [diff] [blame] | 921 | msg = msgb_alloc(4096, "test_dt_filter"); |
| 922 | copy_to_msg(msg, cc_setup_national, ARRAY_SIZE(cc_setup_national)); |
| 923 | parsed = bsc_nat_parse(msg); |
| 924 | if (!parsed) { |
| 925 | fprintf(stderr, "FAIL: Could not parse ID resp\n"); |
| 926 | abort(); |
| 927 | } |
| 928 | |
Holger Hans Peter Freyther | df8e6e9 | 2011-05-27 14:09:55 +0200 | [diff] [blame] | 929 | out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi); |
Holger Hans Peter Freyther | 74779c6 | 2010-10-28 15:27:00 +0200 | [diff] [blame] | 930 | if (!out) { |
| 931 | fprintf(stderr, "FAIL: A new message should be created.\n"); |
| 932 | abort(); |
| 933 | } |
| 934 | |
| 935 | if (msg == out) { |
| 936 | fprintf(stderr, "FAIL: The message should have changed\n"); |
| 937 | abort(); |
| 938 | } |
| 939 | |
| 940 | if (out->len != ARRAY_SIZE(cc_setup_national_patched)) { |
| 941 | fprintf(stderr, "FAIL: Length is wrong.\n"); |
| 942 | abort(); |
| 943 | } |
| 944 | |
| 945 | if (memcmp(cc_setup_national_patched, out->data, out->len) != 0) { |
| 946 | fprintf(stderr, "FAIL: Data is wrong.\n"); |
Pablo Neira Ayuso | c0d17f2 | 2011-05-07 12:12:48 +0200 | [diff] [blame] | 947 | fprintf(stderr, "Data was: %s\n", osmo_hexdump(out->data, out->len)); |
Holger Hans Peter Freyther | 74779c6 | 2010-10-28 15:27:00 +0200 | [diff] [blame] | 948 | abort(); |
| 949 | } |
| 950 | |
| 951 | msgb_free(out); |
| 952 | |
| 953 | /* Make sure that a wildcard is matching */ |
| 954 | entry.mnc = "09"; |
Holger Hans Peter Freyther | 9c20571 | 2011-05-27 17:14:15 +0200 | [diff] [blame] | 955 | bsc_nat_num_rewr_entry_adapt(nat, &nat->num_rewr, &entries); |
Holger Hans Peter Freyther | 74779c6 | 2010-10-28 15:27:00 +0200 | [diff] [blame] | 956 | msg = msgb_alloc(4096, "test_dt_filter"); |
| 957 | copy_to_msg(msg, cc_setup_national, ARRAY_SIZE(cc_setup_national)); |
| 958 | parsed = bsc_nat_parse(msg); |
| 959 | if (!parsed) { |
| 960 | fprintf(stderr, "FAIL: Could not parse ID resp\n"); |
| 961 | abort(); |
| 962 | } |
| 963 | |
Holger Hans Peter Freyther | df8e6e9 | 2011-05-27 14:09:55 +0200 | [diff] [blame] | 964 | out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi); |
Holger Hans Peter Freyther | 74779c6 | 2010-10-28 15:27:00 +0200 | [diff] [blame] | 965 | if (out != msg) { |
| 966 | fprintf(stderr, "FAIL: The message should be unchanged.\n"); |
| 967 | abort(); |
| 968 | } |
| 969 | |
| 970 | if (out->len != ARRAY_SIZE(cc_setup_national)) { |
| 971 | fprintf(stderr, "FAIL: Foo\n"); |
| 972 | abort(); |
| 973 | } |
| 974 | |
| 975 | if (memcmp(out->data, cc_setup_national, ARRAY_SIZE(cc_setup_national)) != 0) { |
| 976 | fprintf(stderr, "FAIL: The message should really be unchanged.\n"); |
| 977 | abort(); |
| 978 | } |
| 979 | |
| 980 | msgb_free(out); |
Holger Hans Peter Freyther | 73bbf89 | 2010-10-21 14:46:57 +0200 | [diff] [blame] | 981 | } |
| 982 | |
Holger Hans Peter Freyther | 9c20571 | 2011-05-27 17:14:15 +0200 | [diff] [blame] | 983 | static void test_smsc_rewrite() |
| 984 | { |
| 985 | struct msgb *msg = msgb_alloc(4096, "SMSC rewrite"), *out; |
| 986 | struct bsc_nat_parsed *parsed; |
| 987 | const char *imsi = "515039900406700"; |
| 988 | |
| 989 | struct bsc_nat *nat = bsc_nat_alloc(); |
| 990 | |
| 991 | /* a fake list */ |
Holger Hans Peter Freyther | acc4031 | 2011-05-27 19:21:24 +0200 | [diff] [blame] | 992 | struct osmo_config_list smsc_entries, dest_entries; |
| 993 | struct osmo_config_entry smsc_entry, dest_entry; |
Holger Hans Peter Freyther | 9c20571 | 2011-05-27 17:14:15 +0200 | [diff] [blame] | 994 | |
Holger Hans Peter Freyther | acc4031 | 2011-05-27 19:21:24 +0200 | [diff] [blame] | 995 | INIT_LLIST_HEAD(&smsc_entries.entry); |
| 996 | INIT_LLIST_HEAD(&dest_entries.entry); |
| 997 | smsc_entry.mcc = "^515039"; |
| 998 | smsc_entry.option = "639180000105()"; |
| 999 | smsc_entry.text = "6666666666667"; |
| 1000 | llist_add_tail(&smsc_entry.list, &smsc_entries.entry); |
| 1001 | dest_entry.mcc = "515"; |
| 1002 | dest_entry.mnc = "03"; |
| 1003 | dest_entry.option = "^0049"; |
| 1004 | dest_entry.text = ""; |
| 1005 | llist_add_tail(&dest_entry.list, &dest_entries.entry); |
| 1006 | |
| 1007 | bsc_nat_num_rewr_entry_adapt(nat, &nat->smsc_rewr, &smsc_entries); |
| 1008 | bsc_nat_num_rewr_entry_adapt(nat, &nat->tpdest_match, &dest_entries); |
Holger Hans Peter Freyther | 9c20571 | 2011-05-27 17:14:15 +0200 | [diff] [blame] | 1009 | |
| 1010 | copy_to_msg(msg, smsc_rewrite, ARRAY_SIZE(smsc_rewrite)); |
| 1011 | parsed = bsc_nat_parse(msg); |
| 1012 | if (!parsed) { |
| 1013 | fprintf(stderr, "FAIL: Could not parse SMS\n"); |
| 1014 | abort(); |
| 1015 | } |
| 1016 | |
| 1017 | out = bsc_nat_rewrite_msg(nat, msg, parsed, imsi); |
| 1018 | if (out == msg) { |
| 1019 | fprintf(stderr, "FAIL: This should have changed.\n"); |
| 1020 | abort(); |
| 1021 | } |
| 1022 | |
| 1023 | if (out->len != ARRAY_SIZE(smsc_rewrite_patched)) { |
| 1024 | fprintf(stderr, "FAIL: The size should match.\n"); |
| 1025 | abort(); |
| 1026 | } |
| 1027 | |
| 1028 | if (memcmp(out->data, smsc_rewrite_patched, out->len) != 0) { |
| 1029 | fprintf(stderr, "FAIL: the data should be changed.\n"); |
| 1030 | abort(); |
| 1031 | } |
| 1032 | } |
| 1033 | |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 1034 | int main(int argc, char **argv) |
| 1035 | { |
Holger Hans Peter Freyther | 30e1ae9 | 2010-07-30 02:53:14 +0800 | [diff] [blame] | 1036 | sccp_set_log_area(DSCCP); |
Holger Hans Peter Freyther | 67cd75f | 2011-05-12 16:02:07 +0200 | [diff] [blame] | 1037 | osmo_init_logging(&log_info); |
Holger Hans Peter Freyther | 38f7c75 | 2010-06-15 18:48:36 +0800 | [diff] [blame] | 1038 | |
| 1039 | test_filter(); |
Holger Hans Peter Freyther | 04fd992 | 2010-03-30 06:51:53 +0200 | [diff] [blame] | 1040 | test_contrack(); |
Holger Hans Peter Freyther | 04fd992 | 2010-03-30 06:51:53 +0200 | [diff] [blame] | 1041 | test_paging(); |
Holger Hans Peter Freyther | fc9bd23 | 2010-04-01 03:55:27 +0200 | [diff] [blame] | 1042 | test_mgcp_ass_tracking(); |
| 1043 | test_mgcp_find(); |
Holger Hans Peter Freyther | 76c8354 | 2010-04-01 06:48:52 +0200 | [diff] [blame] | 1044 | test_mgcp_rewrite(); |
Holger Hans Peter Freyther | 3c3bce1 | 2010-04-01 10:16:28 +0200 | [diff] [blame] | 1045 | test_mgcp_parse(); |
Holger Hans Peter Freyther | 0c08db1 | 2010-05-14 08:12:57 +0800 | [diff] [blame] | 1046 | test_cr_filter(); |
Holger Hans Peter Freyther | 3268540 | 2010-09-15 05:20:40 +0800 | [diff] [blame] | 1047 | test_dt_filter(); |
Holger Hans Peter Freyther | 73bbf89 | 2010-10-21 14:46:57 +0200 | [diff] [blame] | 1048 | test_setup_rewrite(); |
Holger Hans Peter Freyther | 9c20571 | 2011-05-27 17:14:15 +0200 | [diff] [blame] | 1049 | test_smsc_rewrite(); |
Holger Hans Peter Freyther | a9e9331 | 2011-02-26 11:38:00 +0100 | [diff] [blame] | 1050 | test_mgcp_allocations(); |
Holger Hans Peter Freyther | 0b8f69d | 2010-06-15 18:45:38 +0800 | [diff] [blame] | 1051 | return 0; |
| 1052 | } |