Holger Hans Peter Freyther | 9751081 | 2012-01-22 13:36:52 +0100 | [diff] [blame] | 1 | /* |
| 2 | * (C) 2012 by Holger Hans Peter Freyther |
| 3 | * All Rights Reserved |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | #include <osmocom/gsm/gsm0808.h> |
Philipp Maier | 2240143 | 2017-03-24 17:59:26 +0100 | [diff] [blame^] | 22 | #include <osmocom/gsm/gsm0808_utils.h> |
| 23 | #include <osmocom/gsm/protocol/gsm_08_08.h> |
Holger Hans Peter Freyther | 9751081 | 2012-01-22 13:36:52 +0100 | [diff] [blame] | 24 | |
| 25 | #include <stdio.h> |
| 26 | #include <stdlib.h> |
Philipp Maier | 2240143 | 2017-03-24 17:59:26 +0100 | [diff] [blame^] | 27 | #include <sys/socket.h> |
| 28 | #include <netinet/in.h> |
| 29 | #include <arpa/inet.h> |
Holger Hans Peter Freyther | 9751081 | 2012-01-22 13:36:52 +0100 | [diff] [blame] | 30 | |
| 31 | #define VERIFY(msg, data, len) \ |
| 32 | if (msgb_l3len(msg) != len) { \ |
| 33 | printf("%s:%d Length don't match: %d vs. %d. %s\n", \ |
Holger Hans Peter Freyther | fdb4667 | 2015-11-09 16:32:43 +0000 | [diff] [blame] | 34 | __func__, __LINE__, msgb_l3len(msg), (int) len, \ |
Holger Hans Peter Freyther | 9751081 | 2012-01-22 13:36:52 +0100 | [diff] [blame] | 35 | osmo_hexdump(msg->l3h, msgb_l3len(msg))); \ |
| 36 | abort(); \ |
| 37 | } else if (memcmp(msg->l3h, data, len) != 0) { \ |
| 38 | printf("%s:%d didn't match: got: %s\n", \ |
| 39 | __func__, __LINE__, \ |
| 40 | osmo_hexdump(msg->l3h, msgb_l3len(msg))); \ |
| 41 | abort(); \ |
| 42 | } |
| 43 | |
| 44 | |
| 45 | static void test_create_layer3(void) |
| 46 | { |
| 47 | static const uint8_t res[] = { |
| 48 | 0x00, 0x0e, 0x57, 0x05, 0x08, 0x00, 0x77, 0x62, |
| 49 | 0x83, 0x33, 0x66, 0x44, 0x88, 0x17, 0x01, 0x23 }; |
| 50 | struct msgb *msg, *in_msg; |
| 51 | printf("Testing creating Layer3\n"); |
| 52 | |
| 53 | in_msg = msgb_alloc_headroom(512, 128, "foo"); |
| 54 | in_msg->l3h = in_msg->data; |
| 55 | msgb_v_put(in_msg, 0x23); |
| 56 | |
| 57 | msg = gsm0808_create_layer3(in_msg, 0x1122, 0x2244, 0x3366, 0x4488); |
| 58 | VERIFY(msg, res, ARRAY_SIZE(res)); |
| 59 | msgb_free(msg); |
| 60 | msgb_free(in_msg); |
| 61 | } |
| 62 | |
| 63 | static void test_create_reset() |
| 64 | { |
| 65 | static const uint8_t res[] = { 0x00, 0x04, 0x30, 0x04, 0x01, 0x20 }; |
| 66 | struct msgb *msg; |
| 67 | |
| 68 | printf("Testing creating Reset\n"); |
| 69 | msg = gsm0808_create_reset(); |
| 70 | VERIFY(msg, res, ARRAY_SIZE(res)); |
| 71 | msgb_free(msg); |
| 72 | } |
| 73 | |
| 74 | static void test_create_clear_command() |
| 75 | { |
| 76 | static const uint8_t res[] = { 0x20, 0x04, 0x01, 0x23 }; |
| 77 | struct msgb *msg; |
| 78 | |
| 79 | printf("Testing creating Clear Command\n"); |
| 80 | msg = gsm0808_create_clear_command(0x23); |
| 81 | VERIFY(msg, res, ARRAY_SIZE(res)); |
| 82 | msgb_free(msg); |
| 83 | } |
| 84 | |
| 85 | static void test_create_clear_complete() |
| 86 | { |
| 87 | static const uint8_t res[] = { 0x00, 0x01, 0x21 }; |
| 88 | struct msgb *msg; |
| 89 | |
| 90 | printf("Testing creating Clear Complete\n"); |
| 91 | msg = gsm0808_create_clear_complete(); |
| 92 | VERIFY(msg, res, ARRAY_SIZE(res)); |
| 93 | msgb_free(msg); |
| 94 | } |
| 95 | |
| 96 | static void test_create_cipher_complete() |
| 97 | { |
| 98 | static const uint8_t res1[] = { |
| 99 | 0x00, 0x08, 0x55, 0x20, 0x03, 0x23, 0x42, 0x21, 0x2c, 0x04 }; |
| 100 | static const uint8_t res2[] = { 0x00, 0x03, 0x55, 0x2c, 0x04}; |
| 101 | struct msgb *l3, *msg; |
| 102 | |
| 103 | printf("Testing creating Cipher Complete\n"); |
| 104 | l3 = msgb_alloc_headroom(512, 128, "l3h"); |
| 105 | l3->l3h = l3->data; |
| 106 | msgb_v_put(l3, 0x23); |
| 107 | msgb_v_put(l3, 0x42); |
| 108 | msgb_v_put(l3, 0x21); |
| 109 | |
| 110 | /* with l3 data */ |
| 111 | msg = gsm0808_create_cipher_complete(l3, 4); |
| 112 | VERIFY(msg, res1, ARRAY_SIZE(res1)); |
| 113 | msgb_free(msg); |
| 114 | |
| 115 | /* with l3 data but short */ |
| 116 | l3->len -= 1; |
| 117 | l3->tail -= 1; |
| 118 | msg = gsm0808_create_cipher_complete(l3, 4); |
| 119 | VERIFY(msg, res2, ARRAY_SIZE(res2)); |
| 120 | msgb_free(msg); |
| 121 | |
| 122 | /* without l3 data */ |
| 123 | msg = gsm0808_create_cipher_complete(NULL, 4); |
| 124 | VERIFY(msg, res2, ARRAY_SIZE(res2)); |
| 125 | msgb_free(msg); |
| 126 | |
| 127 | |
| 128 | msgb_free(l3); |
| 129 | } |
| 130 | |
| 131 | static void test_create_cipher_reject() |
| 132 | { |
| 133 | static const uint8_t res[] = { 0x00, 0x02, 0x59, 0x23 }; |
| 134 | struct msgb *msg; |
| 135 | |
| 136 | printf("Testing creating Cipher Reject\n"); |
| 137 | msg = gsm0808_create_cipher_reject(0x23); |
| 138 | VERIFY(msg, res, ARRAY_SIZE(res)); |
| 139 | msgb_free(msg); |
| 140 | } |
| 141 | |
| 142 | static void test_create_cm_u() |
| 143 | { |
Harald Welte | 07b625d | 2012-01-23 10:02:58 +0100 | [diff] [blame] | 144 | static const uint8_t res[] = { |
| 145 | 0x00, 0x07, 0x54, 0x12, 0x01, 0x23, 0x13, 0x01, 0x42 }; |
| 146 | static const uint8_t res2o[] = { |
| 147 | 0x00, 0x04, 0x54, 0x12, 0x01, 0x23 }; |
Holger Hans Peter Freyther | 9751081 | 2012-01-22 13:36:52 +0100 | [diff] [blame] | 148 | struct msgb *msg; |
Harald Welte | 07b625d | 2012-01-23 10:02:58 +0100 | [diff] [blame] | 149 | const uint8_t cm2 = 0x23; |
| 150 | const uint8_t cm3 = 0x42; |
Holger Hans Peter Freyther | 9751081 | 2012-01-22 13:36:52 +0100 | [diff] [blame] | 151 | |
| 152 | printf("Testing creating CM U\n"); |
Harald Welte | 07b625d | 2012-01-23 10:02:58 +0100 | [diff] [blame] | 153 | msg = gsm0808_create_classmark_update(&cm2, 1, &cm3, 1); |
Holger Hans Peter Freyther | 9751081 | 2012-01-22 13:36:52 +0100 | [diff] [blame] | 154 | VERIFY(msg, res, ARRAY_SIZE(res)); |
Harald Welte | 07b625d | 2012-01-23 10:02:58 +0100 | [diff] [blame] | 155 | |
| 156 | msg = gsm0808_create_classmark_update(&cm2, 1, NULL, 0); |
| 157 | VERIFY(msg, res2o, ARRAY_SIZE(res2o)); |
| 158 | |
Holger Hans Peter Freyther | 9751081 | 2012-01-22 13:36:52 +0100 | [diff] [blame] | 159 | msgb_free(msg); |
| 160 | } |
| 161 | |
| 162 | static void test_create_sapi_reject() |
| 163 | { |
| 164 | static const uint8_t res[] = { 0x00, 0x03, 0x25, 0x03, 0x25 }; |
| 165 | struct msgb *msg; |
| 166 | |
| 167 | printf("Testing creating SAPI Reject\n"); |
| 168 | msg = gsm0808_create_sapi_reject(3); |
| 169 | VERIFY(msg, res, ARRAY_SIZE(res)); |
| 170 | msgb_free(msg); |
| 171 | } |
| 172 | |
| 173 | static void test_create_ass_compl() |
| 174 | { |
| 175 | static const uint8_t res1[] = { |
| 176 | 0x00, 0x09, 0x02, 0x15, 0x23, 0x21, 0x42, 0x2c, |
| 177 | 0x11, 0x40, 0x22 }; |
| 178 | static const uint8_t res2[] = { |
| 179 | 0x00, 0x07, 0x02, 0x15, 0x23, 0x21, 0x42, 0x2c, 0x11}; |
| 180 | struct msgb *msg; |
| 181 | |
| 182 | printf("Testing creating Assignment Complete\n"); |
| 183 | msg = gsm0808_create_assignment_completed(0x23, 0x42, 0x11, 0x22); |
| 184 | VERIFY(msg, res1, ARRAY_SIZE(res1)); |
| 185 | msgb_free(msg); |
| 186 | |
| 187 | msg = gsm0808_create_assignment_completed(0x23, 0x42, 0x11, 0); |
| 188 | VERIFY(msg, res2, ARRAY_SIZE(res2)); |
| 189 | msgb_free(msg); |
| 190 | } |
| 191 | |
| 192 | static void test_create_ass_fail() |
| 193 | { |
| 194 | static const uint8_t res1[] = { 0x00, 0x04, 0x03, 0x04, 0x01, 0x23 }; |
| 195 | static const uint8_t res2[] = { |
| 196 | 0x00, 0x06, 0x03, 0x04, 0x01, 0x23, 0x15, 0x02}; |
| 197 | uint8_t rr_res = 2; |
| 198 | struct msgb *msg; |
| 199 | |
| 200 | printf("Testing creating Assignment Failure\n"); |
| 201 | msg = gsm0808_create_assignment_failure(0x23, NULL); |
| 202 | VERIFY(msg, res1, ARRAY_SIZE(res1)); |
| 203 | msgb_free(msg); |
| 204 | |
| 205 | msg = gsm0808_create_assignment_failure(0x23, &rr_res); |
| 206 | VERIFY(msg, res2, ARRAY_SIZE(res2)); |
| 207 | msgb_free(msg); |
| 208 | } |
| 209 | |
| 210 | static void test_create_clear_rqst() |
| 211 | { |
| 212 | static const uint8_t res[] = { 0x00, 0x04, 0x22, 0x04, 0x01, 0x23 }; |
| 213 | struct msgb *msg; |
| 214 | |
| 215 | printf("Testing creating Clear Request\n"); |
| 216 | msg = gsm0808_create_clear_rqst(0x23); |
| 217 | VERIFY(msg, res, ARRAY_SIZE(res)); |
| 218 | msgb_free(msg); |
| 219 | } |
| 220 | |
| 221 | static void test_create_dtap() |
| 222 | { |
| 223 | static const uint8_t res[] = { 0x01, 0x03, 0x02, 0x23, 0x42 }; |
| 224 | struct msgb *msg, *l3; |
| 225 | |
| 226 | printf("Testing creating DTAP\n"); |
| 227 | l3 = msgb_alloc_headroom(512, 128, "test"); |
| 228 | l3->l3h = l3->data; |
| 229 | msgb_v_put(l3, 0x23); |
| 230 | msgb_v_put(l3, 0x42); |
| 231 | |
| 232 | msg = gsm0808_create_dtap(l3, 0x3); |
| 233 | VERIFY(msg, res, ARRAY_SIZE(res)); |
| 234 | msgb_free(msg); |
| 235 | msgb_free(l3); |
| 236 | } |
| 237 | |
| 238 | static void test_prepend_dtap() |
| 239 | { |
| 240 | static const uint8_t res[] = { 0x01, 0x03, 0x02, 0x23, 0x42 }; |
| 241 | struct msgb *in_msg; |
| 242 | |
| 243 | printf("Testing prepend DTAP\n"); |
| 244 | |
| 245 | in_msg = msgb_alloc_headroom(512, 128, "test"); |
| 246 | msgb_v_put(in_msg, 0x23); |
| 247 | msgb_v_put(in_msg, 0x42); |
| 248 | |
| 249 | gsm0808_prepend_dtap_header(in_msg, 0x3); |
| 250 | in_msg->l3h = in_msg->data; |
| 251 | VERIFY(in_msg, res, ARRAY_SIZE(res)); |
| 252 | msgb_free(in_msg); |
| 253 | } |
| 254 | |
Philipp Maier | 2240143 | 2017-03-24 17:59:26 +0100 | [diff] [blame^] | 255 | static void test_enc_dec_aoip_trasp_addr_v4() |
| 256 | { |
| 257 | struct sockaddr_storage enc_addr; |
| 258 | struct sockaddr_storage dec_addr; |
| 259 | struct sockaddr_in enc_addr_in; |
| 260 | struct msgb *msg; |
| 261 | uint8_t rc_enc; |
| 262 | int rc_dec; |
| 263 | |
| 264 | memset(&enc_addr_in, 0, sizeof(enc_addr_in)); |
| 265 | enc_addr_in.sin_family = AF_INET; |
| 266 | enc_addr_in.sin_port = htons(1234); |
| 267 | inet_aton("255.0.255.255", &enc_addr_in.sin_addr); |
| 268 | |
| 269 | memset(&enc_addr, 0, sizeof(enc_addr)); |
| 270 | memcpy(&enc_addr, &enc_addr_in, sizeof(enc_addr_in)); |
| 271 | |
| 272 | msg = msgb_alloc(1024, "output buffer"); |
| 273 | rc_enc = gsm0808_enc_aoip_trasp_addr(msg, &enc_addr); |
| 274 | OSMO_ASSERT(rc_enc == 8); |
| 275 | rc_dec = |
| 276 | gsm0808_dec_aoip_trasp_addr(&dec_addr, msg->data + 2, msg->len - 2); |
| 277 | OSMO_ASSERT(rc_dec == 6); |
| 278 | OSMO_ASSERT(memcmp(&enc_addr, &dec_addr, sizeof(enc_addr)) == 0); |
| 279 | |
| 280 | msgb_free(msg); |
| 281 | } |
| 282 | |
| 283 | static void test_enc_dec_aoip_trasp_addr_v6() |
| 284 | { |
| 285 | struct sockaddr_storage enc_addr; |
| 286 | struct sockaddr_storage dec_addr; |
| 287 | struct sockaddr_in6 enc_addr_in; |
| 288 | struct msgb *msg; |
| 289 | uint8_t rc_enc; |
| 290 | int rc_dec; |
| 291 | |
| 292 | memset(&enc_addr_in, 0, sizeof(enc_addr_in)); |
| 293 | enc_addr_in.sin6_family = AF_INET6; |
| 294 | enc_addr_in.sin6_port = htons(4567); |
| 295 | inet_pton(AF_INET6, "2001:0db8:85a3:08d3:1319:8a2e:0370:7344", |
| 296 | &enc_addr_in.sin6_addr); |
| 297 | |
| 298 | memset(&enc_addr, 0, sizeof(enc_addr)); |
| 299 | memcpy(&enc_addr, &enc_addr_in, sizeof(enc_addr_in)); |
| 300 | |
| 301 | msg = msgb_alloc(1024, "output buffer"); |
| 302 | rc_enc = gsm0808_enc_aoip_trasp_addr(msg, &enc_addr); |
| 303 | OSMO_ASSERT(rc_enc == 20); |
| 304 | rc_dec = |
| 305 | gsm0808_dec_aoip_trasp_addr(&dec_addr, msg->data + 2, msg->len - 2); |
| 306 | OSMO_ASSERT(rc_dec == 18); |
| 307 | OSMO_ASSERT(memcmp(&enc_addr, &dec_addr, sizeof(enc_addr)) == 0); |
| 308 | |
| 309 | msgb_free(msg); |
| 310 | } |
| 311 | |
Holger Hans Peter Freyther | 9751081 | 2012-01-22 13:36:52 +0100 | [diff] [blame] | 312 | int main(int argc, char **argv) |
| 313 | { |
| 314 | printf("Testing generation of GSM0808 messages\n"); |
| 315 | test_create_layer3(); |
| 316 | test_create_reset(); |
| 317 | test_create_clear_command(); |
| 318 | test_create_clear_complete(); |
| 319 | test_create_cipher_complete(); |
| 320 | test_create_cipher_reject(); |
| 321 | test_create_cm_u(); |
| 322 | test_create_sapi_reject(); |
| 323 | test_create_ass_compl(); |
| 324 | test_create_ass_fail(); |
| 325 | test_create_clear_rqst(); |
| 326 | test_create_dtap(); |
| 327 | test_prepend_dtap(); |
Philipp Maier | 2240143 | 2017-03-24 17:59:26 +0100 | [diff] [blame^] | 328 | test_enc_dec_aoip_trasp_addr_v4(); |
| 329 | test_enc_dec_aoip_trasp_addr_v6(); |
Holger Hans Peter Freyther | 9751081 | 2012-01-22 13:36:52 +0100 | [diff] [blame] | 330 | |
| 331 | printf("Done\n"); |
| 332 | return EXIT_SUCCESS; |
| 333 | } |