1 /* 2 * Copyright (C) 2019 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 #define __BTSTACK_FILE__ "mesh.c" 39 40 #include <string.h> 41 #include <stdio.h> 42 43 #include "mesh/mesh.h" 44 45 #include "btstack_util.h" 46 #include "btstack_config.h" 47 #include "btstack_event.h" 48 #include "btstack_tlv.h" 49 #include "btstack_memory.h" 50 #include "btstack_debug.h" 51 52 #include "mesh/adv_bearer.h" 53 #include "mesh/beacon.h" 54 #include "mesh/gatt_bearer.h" 55 #include "mesh/mesh_access.h" 56 #include "mesh/mesh_configuration_server.h" 57 #include "mesh/mesh_foundation.h" 58 #include "mesh/mesh_generic_model.h" 59 #include "mesh/mesh_generic_server.h" 60 #include "mesh/mesh_iv_index_seq_number.h" 61 #include "mesh/mesh_lower_transport.h" 62 #include "mesh/mesh_peer.h" 63 #include "mesh/mesh_proxy.h" 64 #include "mesh/mesh_upper_transport.h" 65 #include "mesh/mesh_virtual_addresses.h" 66 #include "mesh/pb_adv.h" 67 #include "mesh/pb_gatt.h" 68 #include "mesh/provisioning.h" 69 #include "mesh/provisioning_device.h" 70 71 static void mesh_node_store_provisioning_data(mesh_provisioning_data_t * provisioning_data); 72 static int mesh_node_startup_from_tlv(void); 73 74 // Persistent storage structures 75 76 typedef struct { 77 uint16_t hash; 78 uint8_t label_uuid[16]; 79 } mesh_persistent_virtual_address_t; 80 81 typedef struct { 82 uint16_t netkey_index; 83 84 uint8_t version; 85 86 // net_key from provisioner or Config Model Client 87 uint8_t net_key[16]; 88 89 // derived data 90 91 // k1 92 uint8_t identity_key[16]; 93 uint8_t beacon_key[16]; 94 95 // k3 96 uint8_t network_id[8]; 97 98 // k2 99 uint8_t nid; 100 uint8_t encryption_key[16]; 101 uint8_t privacy_key[16]; 102 } mesh_persistent_net_key_t; 103 104 typedef struct { 105 uint16_t netkey_index; 106 uint16_t appkey_index; 107 uint8_t aid; 108 uint8_t version; 109 uint8_t key[16]; 110 } mesh_persistent_app_key_t; 111 112 typedef struct { 113 uint8_t gatt_proxy; 114 uint8_t beacon; 115 uint8_t default_ttl; 116 uint8_t network_transmit; 117 uint8_t relay; 118 uint8_t relay_retransmit; 119 uint8_t friend; 120 } mesh_persistent_foundation_t; 121 122 typedef struct { 123 uint32_t iv_index; 124 uint32_t seq_number; 125 } iv_index_and_sequence_number_t; 126 127 static btstack_packet_handler_t provisioning_device_packet_handler; 128 static btstack_packet_callback_registration_t hci_event_callback_registration; 129 static int provisioned; 130 131 // Mandatory Confiuration Server 132 static mesh_model_t mesh_configuration_server_model; 133 134 // Mandatory Health Server 135 static mesh_model_t mesh_health_server_model; 136 static mesh_configuration_server_model_context_t mesh_configuration_server_model_context; 137 138 // Random UUID on start 139 static btstack_crypto_random_t mesh_access_crypto_random; 140 static uint8_t random_device_uuid[16]; 141 142 // TLV 143 static const btstack_tlv_t * btstack_tlv_singleton_impl; 144 static void * btstack_tlv_singleton_context; 145 146 // IV Index persistence 147 static uint32_t sequence_number_last_stored; 148 static uint32_t sequence_number_storage_trigger; 149 150 // Attention Timer 151 static uint8_t attention_timer_timeout_s; 152 static btstack_timer_source_t attention_timer_timer; 153 154 static void mesh_access_setup_from_provisioning_data(const mesh_provisioning_data_t * provisioning_data){ 155 156 // set iv_index and iv index update active 157 int iv_index_update_active = (provisioning_data->flags & 2) >> 1; 158 mesh_iv_index_recovered(iv_index_update_active, provisioning_data->iv_index); 159 160 // set unicast address 161 mesh_node_primary_element_address_set(provisioning_data->unicast_address); 162 163 // set device_key 164 mesh_transport_set_device_key(provisioning_data->device_key); 165 166 if (provisioning_data->network_key){ 167 168 // setup primary network with provisioned netkey 169 mesh_network_key_add(provisioning_data->network_key); 170 171 // setup primary network 172 mesh_subnet_setup_for_netkey_index(provisioning_data->network_key->netkey_index); 173 174 // start sending Secure Network Beacons 175 mesh_subnet_t * provisioned_subnet = mesh_subnet_get_by_netkey_index(provisioning_data->network_key->netkey_index); 176 beacon_secure_network_start(provisioned_subnet); 177 } 178 179 // Mesh Proxy 180 #ifdef ENABLE_MESH_PROXY_SERVER 181 // Setup Proxy 182 mesh_proxy_init(provisioning_data->unicast_address); 183 mesh_proxy_start_advertising_with_network_id(); 184 #endif 185 } 186 187 // Attention Timer state 188 static void mesh_emit_attention_timer_event(uint8_t timer_s){ 189 if (!provisioning_device_packet_handler) return; 190 uint8_t event[4] = { HCI_EVENT_MESH_META, 4, MESH_SUBEVENT_ATTENTION_TIMER}; 191 event[3] = timer_s; 192 provisioning_device_packet_handler(HCI_EVENT_PACKET, 0, event, sizeof(event)); 193 } 194 195 static void mesh_attention_timer_handler(btstack_timer_source_t * ts){ 196 UNUSED(ts); 197 attention_timer_timeout_s--; 198 mesh_emit_attention_timer_event(attention_timer_timeout_s); 199 if (attention_timer_timeout_s == 0) return; 200 201 btstack_run_loop_set_timer(&attention_timer_timer, 1000); 202 btstack_run_loop_add_timer(&attention_timer_timer); 203 } 204 205 void mesh_attention_timer_set(uint8_t timer_s){ 206 // stop old timer if running 207 if (attention_timer_timeout_s){ 208 btstack_run_loop_remove_timer(&attention_timer_timer); 209 } 210 211 attention_timer_timeout_s = timer_s; 212 mesh_emit_attention_timer_event(attention_timer_timeout_s); 213 214 if (attention_timer_timeout_s){ 215 btstack_run_loop_set_timer_handler(&attention_timer_timer, &mesh_attention_timer_handler); 216 btstack_run_loop_set_timer(&attention_timer_timer, 1000); 217 btstack_run_loop_add_timer(&attention_timer_timer); 218 } 219 } 220 221 uint8_t mesh_attention_timer_get(void){ 222 return attention_timer_timeout_s; 223 } 224 225 static void mesh_provisioning_message_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 226 mesh_provisioning_data_t provisioning_data; 227 switch(packet[0]){ 228 case HCI_EVENT_MESH_META: 229 switch(packet[2]){ 230 case MESH_SUBEVENT_PB_PROV_ATTENTION_TIMER: 231 mesh_attention_timer_set(mesh_subevent_pb_prov_attention_timer_get_attention_time(packet)); 232 break; 233 case MESH_SUBEVENT_PB_PROV_COMPLETE: 234 // get provisioning data 235 provisioning_device_data_get(&provisioning_data); 236 237 // and store in TLV 238 mesh_node_store_provisioning_data(&provisioning_data); 239 240 // setup node after provisioned 241 mesh_access_setup_from_provisioning_data(&provisioning_data); 242 243 // start advertising with node id after provisioning 244 mesh_proxy_set_advertising_with_node_id(provisioning_data.network_key->netkey_index, MESH_NODE_IDENTITY_STATE_ADVERTISING_RUNNING); 245 246 provisioned = 1; 247 break; 248 default: 249 break; 250 } 251 break; 252 default: 253 break; 254 } 255 if (provisioning_device_packet_handler == NULL) return; 256 257 // forward 258 (*provisioning_device_packet_handler)(packet_type, channel, packet, size); 259 } 260 261 static void hci_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 262 UNUSED(channel); 263 UNUSED(size); 264 265 switch (packet_type) { 266 case HCI_EVENT_PACKET: 267 switch (hci_event_packet_get_type(packet)) { 268 case BTSTACK_EVENT_STATE: 269 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break; 270 // get TLV instance 271 btstack_tlv_get_instance(&btstack_tlv_singleton_impl, &btstack_tlv_singleton_context); 272 273 // startup from static provisioning data stored in TLV 274 provisioned = mesh_node_startup_from_tlv(); 275 break; 276 277 case HCI_EVENT_DISCONNECTION_COMPLETE: 278 // enable PB_GATT 279 if (provisioned == 0){ 280 mesh_proxy_start_advertising_unprovisioned_device(); 281 } else { 282 #ifdef ENABLE_MESH_PROXY_SERVER 283 mesh_proxy_start_advertising_with_network_id(); 284 #endif 285 } 286 break; 287 288 case HCI_EVENT_LE_META: 289 if (hci_event_le_meta_get_subevent_code(packet) != HCI_SUBEVENT_LE_CONNECTION_COMPLETE) break; 290 // disable PB_GATT 291 mesh_proxy_stop_advertising_unprovisioned_device(); 292 break; 293 default: 294 break; 295 } 296 break; 297 } 298 } 299 300 // Foundation state 301 static const uint32_t mesh_foundation_state_tag = ((uint32_t) 'M' << 24) | ((uint32_t) 'F' << 16) | ((uint32_t) 'N' << 8) | ((uint32_t) 'D' << 8); 302 303 void mesh_foundation_state_load(void){ 304 mesh_persistent_foundation_t data; 305 306 int foundation_state_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, mesh_foundation_state_tag, (uint8_t *) &data, sizeof(data)); 307 if (foundation_state_len != sizeof(data)) return; 308 309 mesh_foundation_gatt_proxy_set(data.gatt_proxy); 310 mesh_foundation_beacon_set(data.gatt_proxy); 311 mesh_foundation_default_ttl_set(data.default_ttl); 312 mesh_foundation_friend_set(data.friend); 313 mesh_foundation_network_transmit_set(data.network_transmit); 314 mesh_foundation_relay_set(data.relay); 315 mesh_foundation_relay_retransmit_set(data.relay_retransmit); 316 } 317 318 void mesh_foundation_state_store(void){ 319 mesh_persistent_foundation_t data; 320 data.gatt_proxy = mesh_foundation_gatt_proxy_get(); 321 data.gatt_proxy = mesh_foundation_beacon_get(); 322 data.default_ttl = mesh_foundation_default_ttl_get(); 323 data.friend = mesh_foundation_friend_get(); 324 data.network_transmit = mesh_foundation_network_transmit_get(); 325 data.relay = mesh_foundation_relay_get(); 326 data.relay_retransmit = mesh_foundation_relay_retransmit_get(); 327 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, mesh_foundation_state_tag, (uint8_t *) &data, sizeof(data)); 328 } 329 330 // Mesh Virtual Address Management 331 static uint32_t mesh_virtual_address_tag_for_pseudo_dst(uint16_t pseudo_dst){ 332 return ((uint32_t) 'M' << 24) | ((uint32_t) 'V' << 16) | ((uint32_t) pseudo_dst); 333 } 334 335 static void mesh_store_virtual_address(uint16_t pseudo_dest, uint16_t hash, const uint8_t * label_uuid){ 336 mesh_persistent_virtual_address_t data; 337 uint32_t tag = mesh_virtual_address_tag_for_pseudo_dst(pseudo_dest); 338 data.hash = hash; 339 memcpy(data.label_uuid, label_uuid, 16); 340 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 341 } 342 343 static void mesh_delete_virtual_address(uint16_t pseudo_dest){ 344 uint32_t tag = mesh_virtual_address_tag_for_pseudo_dst(pseudo_dest); 345 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 346 } 347 348 void mesh_load_virtual_addresses(void){ 349 uint16_t pseudo_dst; 350 for (pseudo_dst = 0x8000; pseudo_dst < (0x8000 + MAX_NR_MESH_VIRTUAL_ADDRESSES); pseudo_dst++){ 351 mesh_virtual_address_tag_for_pseudo_dst(pseudo_dst); 352 mesh_persistent_virtual_address_t data; 353 uint32_t tag = mesh_virtual_address_tag_for_pseudo_dst(pseudo_dst); 354 int virtual_address_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 355 if (virtual_address_len == 0) return; 356 357 mesh_virtual_address_t * virtual_address = btstack_memory_mesh_virtual_address_get(); 358 if (virtual_address == NULL) return; 359 360 virtual_address->pseudo_dst = pseudo_dst; 361 virtual_address->hash = data.hash; 362 memcpy(virtual_address->label_uuid, data.label_uuid, 16); 363 mesh_virtual_address_add(virtual_address); 364 } 365 } 366 367 void mesh_delete_virtual_addresses(void){ 368 uint16_t pseudo_dest; 369 for (pseudo_dest = 0x8000; pseudo_dest < (0x8000 + MAX_NR_MESH_VIRTUAL_ADDRESSES); pseudo_dest++){ 370 mesh_delete_virtual_address(pseudo_dest); 371 } 372 } 373 374 void mesh_virtual_address_decrease_refcount(mesh_virtual_address_t * virtual_address){ 375 if (virtual_address == NULL){ 376 log_error("virtual_address == NULL"); 377 } 378 // decrease refcount 379 virtual_address->ref_count--; 380 // Free virtual address if ref count reaches zero 381 if (virtual_address->ref_count > 0) return; 382 // delete from TLV 383 mesh_delete_virtual_address(virtual_address->pseudo_dst); 384 // remove from list 385 mesh_virtual_address_remove(virtual_address); 386 // free memory 387 btstack_memory_mesh_virtual_address_free(virtual_address); 388 } 389 390 void mesh_virtual_address_increase_refcount(mesh_virtual_address_t * virtual_address){ 391 if (virtual_address == NULL){ 392 log_error("virtual_address == NULL"); 393 } 394 virtual_address->ref_count++; 395 if (virtual_address->ref_count > 1) return; 396 // store in TLV 397 mesh_store_virtual_address(virtual_address->pseudo_dst, virtual_address->hash, virtual_address->label_uuid); 398 } 399 400 // Mesh Subscriptions 401 static uint32_t mesh_model_subscription_tag_for_index(uint16_t internal_model_id){ 402 return ((uint32_t) 'M' << 24) | ((uint32_t) 'S' << 16) | ((uint32_t) internal_model_id); 403 } 404 405 static void mesh_model_load_subscriptions(mesh_model_t * mesh_model){ 406 uint32_t tag = mesh_model_subscription_tag_for_index(mesh_model->mid); 407 btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &mesh_model->subscriptions, sizeof(mesh_model->subscriptions)); 408 // update ref count 409 410 // increase ref counts for virtual subscriptions 411 uint16_t i; 412 for (i = 0; i<MAX_NR_MESH_SUBSCRIPTION_PER_MODEL ; i++){ 413 uint16_t src = mesh_model->subscriptions[i]; 414 if (mesh_network_address_virtual(src)){ 415 mesh_virtual_address_t * virtual_address = mesh_virtual_address_for_pseudo_dst(src); 416 mesh_virtual_address_increase_refcount(virtual_address); 417 } 418 } 419 } 420 421 void mesh_model_store_subscriptions(mesh_model_t * model){ 422 uint32_t tag = mesh_model_subscription_tag_for_index(model->mid); 423 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &model->subscriptions, sizeof(model->subscriptions)); 424 } 425 426 static void mesh_model_delete_subscriptions(mesh_model_t * model){ 427 uint32_t tag = mesh_model_subscription_tag_for_index(model->mid); 428 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 429 } 430 431 void mesh_load_subscriptions(void){ 432 printf("Load Model Subscription Lists\n"); 433 // iterate over elements and models 434 mesh_element_iterator_t element_it; 435 mesh_element_iterator_init(&element_it); 436 while (mesh_element_iterator_has_next(&element_it)){ 437 mesh_element_t * element = mesh_element_iterator_next(&element_it); 438 mesh_model_iterator_t model_it; 439 mesh_model_iterator_init(&model_it, element); 440 while (mesh_model_iterator_has_next(&model_it)){ 441 mesh_model_t * model = mesh_model_iterator_next(&model_it); 442 mesh_model_load_subscriptions(model); 443 } 444 } 445 } 446 447 void mesh_delete_subscriptions(void){ 448 printf("Delete Model Subscription Lists\n"); 449 // iterate over elements and models 450 mesh_element_iterator_t element_it; 451 mesh_element_iterator_init(&element_it); 452 while (mesh_element_iterator_has_next(&element_it)){ 453 mesh_element_t * element = mesh_element_iterator_next(&element_it); 454 mesh_model_iterator_t model_it; 455 mesh_model_iterator_init(&model_it, element); 456 while (mesh_model_iterator_has_next(&model_it)){ 457 mesh_model_t * model = mesh_model_iterator_next(&model_it); 458 mesh_model_delete_subscriptions(model); 459 } 460 } 461 } 462 463 // Model Publication 464 465 static uint32_t mesh_model_publication_tag_for_index(uint16_t internal_model_id){ 466 return ((uint32_t) 'M' << 24) | ((uint32_t) 'P' << 16) | ((uint32_t) internal_model_id); 467 } 468 469 static void mesh_model_load_publication(mesh_model_t * mesh_model){ 470 if (mesh_model->publication_model == NULL) return; 471 472 uint32_t tag = mesh_model_publication_tag_for_index(mesh_model->mid); 473 btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) mesh_model->publication_model, sizeof(mesh_publication_model_t)); 474 475 // increase ref counts for current virtual publicataion address 476 uint16_t src = mesh_model->publication_model->address; 477 if (mesh_network_address_virtual(src)){ 478 mesh_virtual_address_t * virtual_address = mesh_virtual_address_for_pseudo_dst(src); 479 if (virtual_address){ 480 mesh_virtual_address_increase_refcount(virtual_address); 481 } 482 } 483 484 mesh_model_publication_start(mesh_model); 485 } 486 487 void mesh_model_store_publication(mesh_model_t * mesh_model){ 488 if (mesh_model->publication_model == NULL) return; 489 uint32_t tag = mesh_model_publication_tag_for_index(mesh_model->mid); 490 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) mesh_model->publication_model, sizeof(mesh_publication_model_t)); 491 } 492 493 static void mesh_model_delete_publication(mesh_model_t * mesh_model){ 494 if (mesh_model->publication_model == NULL) return; 495 uint32_t tag = mesh_model_publication_tag_for_index(mesh_model->mid); 496 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 497 } 498 499 void mesh_load_publications(void){ 500 printf("Load Model Publications\n"); 501 // iterate over elements and models 502 mesh_element_iterator_t element_it; 503 mesh_element_iterator_init(&element_it); 504 while (mesh_element_iterator_has_next(&element_it)){ 505 mesh_element_t * element = mesh_element_iterator_next(&element_it); 506 mesh_model_iterator_t model_it; 507 mesh_model_iterator_init(&model_it, element); 508 while (mesh_model_iterator_has_next(&model_it)){ 509 mesh_model_t * model = mesh_model_iterator_next(&model_it); 510 mesh_model_load_publication(model); 511 } 512 } 513 } 514 515 void mesh_delete_publications(void){ 516 printf("Delete Model Publications\n"); 517 // iterate over elements and models 518 mesh_element_iterator_t element_it; 519 mesh_element_iterator_init(&element_it); 520 while (mesh_element_iterator_has_next(&element_it)){ 521 mesh_element_t * element = mesh_element_iterator_next(&element_it); 522 mesh_model_iterator_t model_it; 523 mesh_model_iterator_init(&model_it, element); 524 while (mesh_model_iterator_has_next(&model_it)){ 525 mesh_model_t * model = mesh_model_iterator_next(&model_it); 526 mesh_model_delete_publication(model); 527 } 528 } 529 } 530 531 // Mesh Network Keys 532 static uint32_t mesh_network_key_tag_for_internal_index(uint16_t internal_index){ 533 return ((uint32_t) 'M' << 24) | ((uint32_t) 'N' << 16) | ((uint32_t) internal_index); 534 } 535 536 void mesh_store_network_key(mesh_network_key_t * network_key){ 537 mesh_persistent_net_key_t data; 538 printf("Store NetKey: internal index 0x%x, NetKey Index 0x%06x, NID %02x: ", network_key->internal_index, network_key->netkey_index, network_key->nid); 539 printf_hexdump(network_key->net_key, 16); 540 uint32_t tag = mesh_network_key_tag_for_internal_index(network_key->internal_index); 541 data.netkey_index = network_key->netkey_index; 542 memcpy(data.net_key, network_key->net_key, 16); 543 memcpy(data.identity_key, network_key->identity_key, 16); 544 memcpy(data.beacon_key, network_key->beacon_key, 16); 545 memcpy(data.network_id, network_key->network_id, 8); 546 data.nid = network_key->nid; 547 data.version = network_key->version; 548 memcpy(data.encryption_key, network_key->encryption_key, 16); 549 memcpy(data.privacy_key, network_key->privacy_key, 16); 550 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(mesh_persistent_net_key_t)); 551 } 552 553 void mesh_delete_network_key(uint16_t internal_index){ 554 uint32_t tag = mesh_network_key_tag_for_internal_index(internal_index); 555 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 556 } 557 558 559 void mesh_load_network_keys(void){ 560 printf("Load Network Keys\n"); 561 uint16_t internal_index; 562 for (internal_index = 0; internal_index < MAX_NR_MESH_NETWORK_KEYS; internal_index++){ 563 mesh_persistent_net_key_t data; 564 uint32_t tag = mesh_network_key_tag_for_internal_index(internal_index); 565 int netkey_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 566 if (netkey_len != sizeof(mesh_persistent_net_key_t)) continue; 567 568 mesh_network_key_t * network_key = btstack_memory_mesh_network_key_get(); 569 if (network_key == NULL) return; 570 571 network_key->netkey_index = data.netkey_index; 572 memcpy(network_key->net_key, data.net_key, 16); 573 memcpy(network_key->identity_key, data.identity_key, 16); 574 memcpy(network_key->beacon_key, data.beacon_key, 16); 575 memcpy(network_key->network_id, data.network_id, 8); 576 network_key->nid = data.nid; 577 network_key->version = data.version; 578 memcpy(network_key->encryption_key, data.encryption_key, 16); 579 memcpy(network_key->privacy_key, data.privacy_key, 16); 580 581 #ifdef ENABLE_GATT_BEARER 582 // setup advertisement with network id 583 network_key->advertisement_with_network_id.adv_length = mesh_proxy_setup_advertising_with_network_id(network_key->advertisement_with_network_id.adv_data, network_key->network_id); 584 #endif 585 586 mesh_network_key_add(network_key); 587 588 mesh_subnet_setup_for_netkey_index(network_key->netkey_index); 589 590 printf("- internal index 0x%x, NetKey Index 0x%06x, NID %02x: ", network_key->internal_index, network_key->netkey_index, network_key->nid); 591 printf_hexdump(network_key->net_key, 16); 592 } 593 } 594 595 void mesh_delete_network_keys(void){ 596 printf("Delete Network Keys\n"); 597 598 uint16_t internal_index; 599 for (internal_index = 0; internal_index < MAX_NR_MESH_NETWORK_KEYS; internal_index++){ 600 mesh_delete_network_key(internal_index); 601 } 602 } 603 604 // Mesh App Keys 605 606 static uint32_t mesh_transport_key_tag_for_internal_index(uint16_t internal_index){ 607 return ((uint32_t) 'M' << 24) | ((uint32_t) 'A' << 16) | ((uint32_t) internal_index); 608 } 609 610 void mesh_store_app_key(mesh_transport_key_t * app_key){ 611 mesh_persistent_app_key_t data; 612 printf("Store AppKey: internal index 0x%x, AppKey Index 0x%06x, AID %02x: ", app_key->internal_index, app_key->appkey_index, app_key->aid); 613 printf_hexdump(app_key->key, 16); 614 uint32_t tag = mesh_transport_key_tag_for_internal_index(app_key->internal_index); 615 data.netkey_index = app_key->netkey_index; 616 data.appkey_index = app_key->appkey_index; 617 data.aid = app_key->aid; 618 data.version = app_key->version; 619 memcpy(data.key, app_key->key, 16); 620 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 621 } 622 623 void mesh_delete_app_key(uint16_t internal_index){ 624 uint32_t tag = mesh_transport_key_tag_for_internal_index(internal_index); 625 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 626 } 627 628 void mesh_load_app_keys(void){ 629 printf("Load App Keys\n"); 630 uint16_t internal_index; 631 for (internal_index = 0; internal_index < MAX_NR_MESH_TRANSPORT_KEYS; internal_index++){ 632 mesh_persistent_app_key_t data; 633 uint32_t tag = mesh_transport_key_tag_for_internal_index(internal_index); 634 int app_key_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 635 if (app_key_len == 0) continue; 636 637 mesh_transport_key_t * key = btstack_memory_mesh_transport_key_get(); 638 if (key == NULL) return; 639 640 key->internal_index = internal_index; 641 key->appkey_index = data.appkey_index; 642 key->netkey_index = data.netkey_index; 643 key->aid = data.aid; 644 key->akf = 1; 645 key->version = data.version; 646 memcpy(key->key, data.key, 16); 647 mesh_transport_key_add(key); 648 printf("- internal index 0x%x, AppKey Index 0x%06x, AID %02x: ", key->internal_index, key->appkey_index, key->aid); 649 printf_hexdump(key->key, 16); 650 } 651 } 652 653 void mesh_delete_app_keys(void){ 654 printf("Delete App Keys\n"); 655 656 uint16_t internal_index; 657 for (internal_index = 0; internal_index < MAX_NR_MESH_TRANSPORT_KEYS; internal_index++){ 658 mesh_delete_app_key(internal_index); 659 } 660 } 661 662 663 // Model to Appkey List 664 665 static uint32_t mesh_model_tag_for_index(uint16_t internal_model_id){ 666 return ((uint32_t) 'M' << 24) | ((uint32_t) 'B' << 16) | ((uint32_t) internal_model_id); 667 } 668 669 static void mesh_load_appkey_list(mesh_model_t * model){ 670 uint32_t tag = mesh_model_tag_for_index(model->mid); 671 btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &model->appkey_indices, sizeof(model->appkey_indices)); 672 } 673 674 static void mesh_store_appkey_list(mesh_model_t * model){ 675 uint32_t tag = mesh_model_tag_for_index(model->mid); 676 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &model->appkey_indices, sizeof(model->appkey_indices)); 677 } 678 679 static void mesh_delete_appkey_list(mesh_model_t * model){ 680 uint32_t tag = mesh_model_tag_for_index(model->mid); 681 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 682 } 683 684 void mesh_load_appkey_lists(void){ 685 printf("Load Appkey Lists\n"); 686 // iterate over elements and models 687 mesh_element_iterator_t element_it; 688 mesh_element_iterator_init(&element_it); 689 while (mesh_element_iterator_has_next(&element_it)){ 690 mesh_element_t * element = mesh_element_iterator_next(&element_it); 691 mesh_model_iterator_t model_it; 692 mesh_model_iterator_init(&model_it, element); 693 while (mesh_model_iterator_has_next(&model_it)){ 694 mesh_model_t * model = mesh_model_iterator_next(&model_it); 695 mesh_load_appkey_list(model); 696 } 697 } 698 } 699 700 void mesh_delete_appkey_lists(void){ 701 printf("Delete Appkey Lists\n"); 702 // iterate over elements and models 703 mesh_element_iterator_t element_it; 704 mesh_element_iterator_init(&element_it); 705 while (mesh_element_iterator_has_next(&element_it)){ 706 mesh_element_t * element = mesh_element_iterator_next(&element_it); 707 mesh_model_iterator_t model_it; 708 mesh_model_iterator_init(&model_it, element); 709 while (mesh_model_iterator_has_next(&model_it)){ 710 mesh_model_t * model = mesh_model_iterator_next(&model_it); 711 mesh_delete_appkey_list(model); 712 } 713 } 714 } 715 716 uint8_t mesh_model_bind_appkey(mesh_model_t * mesh_model, uint16_t appkey_index){ 717 uint16_t i; 718 for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){ 719 if (mesh_model->appkey_indices[i] == appkey_index) return MESH_FOUNDATION_STATUS_SUCCESS; 720 } 721 for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){ 722 if (mesh_model->appkey_indices[i] == MESH_APPKEY_INVALID) { 723 mesh_model->appkey_indices[i] = appkey_index; 724 mesh_store_appkey_list(mesh_model); 725 return MESH_FOUNDATION_STATUS_SUCCESS; 726 } 727 } 728 return MESH_FOUNDATION_STATUS_INSUFFICIENT_RESOURCES; 729 } 730 731 void mesh_model_unbind_appkey(mesh_model_t * mesh_model, uint16_t appkey_index){ 732 uint16_t i; 733 for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){ 734 if (mesh_model->appkey_indices[i] == appkey_index) { 735 mesh_model->appkey_indices[i] = MESH_APPKEY_INVALID; 736 mesh_store_appkey_list(mesh_model); 737 } 738 } 739 } 740 741 int mesh_model_contains_appkey(mesh_model_t * mesh_model, uint16_t appkey_index){ 742 uint16_t i; 743 for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){ 744 if (mesh_model->appkey_indices[i] == appkey_index) return 1; 745 } 746 return 0; 747 } 748 749 void mesh_access_netkey_finalize(mesh_network_key_t * network_key){ 750 mesh_network_key_remove(network_key); 751 mesh_delete_network_key(network_key->internal_index); 752 btstack_memory_mesh_network_key_free(network_key); 753 } 754 755 void mesh_access_appkey_finalize(mesh_transport_key_t * transport_key){ 756 mesh_transport_key_remove(transport_key); 757 mesh_delete_app_key(transport_key->appkey_index); 758 btstack_memory_mesh_transport_key_free(transport_key); 759 } 760 761 void mesh_access_key_refresh_revoke_keys(mesh_subnet_t * subnet){ 762 // delete old netkey index 763 mesh_access_netkey_finalize(subnet->old_key); 764 subnet->old_key = subnet->new_key; 765 subnet->new_key = NULL; 766 767 // delete old appkeys, if any 768 mesh_transport_key_iterator_t it; 769 mesh_transport_key_iterator_init(&it, subnet->netkey_index); 770 while (mesh_transport_key_iterator_has_more(&it)){ 771 mesh_transport_key_t * transport_key = mesh_transport_key_iterator_get_next(&it); 772 if (transport_key->old_key == 0) continue; 773 mesh_access_appkey_finalize(transport_key); 774 } 775 } 776 777 // Mesh IV Index 778 static const uint32_t mesh_tag_for_iv_index_and_seq_number = ((uint32_t) 'M' << 24) | ((uint32_t) 'F' << 16) | ((uint32_t) 'I' << 9) | ((uint32_t) 'S'); 779 780 static int mesh_load_iv_index_and_sequence_number(uint32_t * iv_index, uint32_t * sequence_number){ 781 iv_index_and_sequence_number_t data; 782 uint32_t len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, mesh_tag_for_iv_index_and_seq_number, (uint8_t *) &data, sizeof(data)); 783 if (len == sizeof(iv_index_and_sequence_number_t)){ 784 *iv_index = data.iv_index; 785 *sequence_number = data.seq_number; 786 return 1; 787 } 788 return 0; 789 } 790 791 static void mesh_store_iv_index_and_sequence_number(uint32_t iv_index, uint32_t sequence_number){ 792 iv_index_and_sequence_number_t data; 793 data.iv_index = iv_index; 794 data.seq_number = sequence_number; 795 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, mesh_tag_for_iv_index_and_seq_number, (uint8_t *) &data, sizeof(data)); 796 797 sequence_number_last_stored = data.seq_number; 798 sequence_number_storage_trigger = sequence_number_last_stored + MESH_SEQUENCE_NUMBER_STORAGE_INTERVAL; 799 } 800 801 static void mesh_persist_iv_index_and_sequence_number(void){ 802 mesh_store_iv_index_and_sequence_number(mesh_get_iv_index(), mesh_sequence_number_peek()); 803 } 804 805 806 // higher layer - only store if sequence number is higher than trigger 807 static void mesh_persist_iv_index_and_sequence_number_if_needed(void){ 808 if (mesh_sequence_number_peek() >= sequence_number_storage_trigger){ 809 mesh_persist_iv_index_and_sequence_number(); 810 } 811 } 812 813 static void mesh_access_secure_network_beacon_handler(uint8_t packet_type, uint16_t channel, uint8_t * packet, uint16_t size){ 814 UNUSED(channel); 815 UNUSED(size); 816 817 if (packet_type != MESH_BEACON_PACKET) return; 818 819 // lookup subnet and netkey by network id 820 uint8_t * beacon_network_id = &packet[2]; 821 mesh_subnet_iterator_t it; 822 mesh_subnet_iterator_init(&it); 823 mesh_subnet_t * subnet = NULL; 824 uint8_t new_key = 0; 825 while (mesh_subnet_iterator_has_more(&it)){ 826 mesh_subnet_t * item = mesh_subnet_iterator_get_next(&it); 827 if (memcmp(item->old_key->network_id, beacon_network_id, 8) == 0 ) { 828 subnet = item; 829 } 830 if (item->new_key != NULL && memcmp(item->new_key->network_id, beacon_network_id, 8) == 0 ) { 831 subnet = item; 832 new_key = 1; 833 } 834 break; 835 } 836 if (subnet == NULL) return; 837 838 uint8_t flags = packet[1]; 839 840 // Key refresh via secure network beacons that are authenticated with new netkey 841 if (new_key){ 842 // either first or second phase (in phase 0, new key is not set) 843 int key_refresh_flag = flags & 1; 844 if (key_refresh_flag){ 845 // transition to phase 3 from either phase 1 or 2 846 switch (subnet->key_refresh){ 847 case MESH_KEY_REFRESH_FIRST_PHASE: 848 case MESH_KEY_REFRESH_SECOND_PHASE: 849 mesh_access_key_refresh_revoke_keys(subnet); 850 subnet->key_refresh = MESH_KEY_REFRESH_NOT_ACTIVE; 851 break; 852 default: 853 break; 854 } 855 } else { 856 // transition to phase 2 from either phase 1 857 switch (subnet->key_refresh){ 858 case MESH_KEY_REFRESH_FIRST_PHASE: 859 // -- update state 860 subnet->key_refresh = MESH_KEY_REFRESH_SECOND_PHASE; 861 break; 862 default: 863 break; 864 } 865 } 866 } 867 868 // IV Update 869 870 int beacon_iv_update_active = flags & 2; 871 int local_iv_update_active = mesh_iv_update_active(); 872 uint32_t beacon_iv_index = big_endian_read_32(packet, 10); 873 uint32_t local_iv_index = mesh_get_iv_index(); 874 875 int32_t iv_index_delta = (int32_t)(beacon_iv_index - local_iv_index); 876 877 // "If a node in Normal Operation receives a Secure Network beacon with an IV index less than the last known IV Index or greater than 878 // the last known IV Index + 42, the Secure Network beacon shall be ignored." 879 if (iv_index_delta < 0 || iv_index_delta > 42){ 880 return; 881 } 882 883 // "If a node in Normal Operation receives a Secure Network beacon with an IV index equal to the last known IV index+1 and 884 // the IV Update Flag set to 0, the node may update its IV without going to the IV Update in Progress state, or it may initiate 885 // an IV Index Recovery procedure (Section 3.10.6), or it may ignore the Secure Network beacon. The node makes the choice depending 886 // on the time since last IV update and the likelihood that the node has missed the Secure Network beacons with the IV update Flag set to 1."" 887 if (local_iv_update_active == 0 && beacon_iv_update_active == 0 && iv_index_delta == 1){ 888 // instant iv update 889 mesh_set_iv_index( beacon_iv_index ); 890 // store updated iv index 891 mesh_persist_iv_index_and_sequence_number(); 892 return; 893 } 894 895 // "If this node is a member of a primary subnet and receives a Secure Network beacon on a secondary subnet with an IV Index greater than 896 // the last known IV Index of the primary subnet, the Secure Network beacon shall be ignored." 897 int member_of_primary_subnet = mesh_subnet_get_by_netkey_index(0) != NULL; 898 int beacon_on_secondary_subnet = subnet->netkey_index != 0; 899 if (member_of_primary_subnet && beacon_on_secondary_subnet && iv_index_delta > 0){ 900 return; 901 } 902 903 // "If a node in Normal Operation receives a Secure Network beacon with an IV index greater than the last known IV Index + 1..." 904 // "... it may initiate an IV Index Recovery procedure, see Section 3.10.6." 905 if (local_iv_update_active == 0 && iv_index_delta > 1){ 906 // "Upon receiving and successfully authenticating a Secure Network beacon for a primary subnet... " 907 int beacon_on_primary_subnet = subnet->netkey_index == 0; 908 if (!beacon_on_primary_subnet) return; 909 // "... whose IV Index is 1 or more higher than the current known IV Index, the node shall " 910 // " set its current IV Index and its current IV Update procedure state from the values in this Secure Network beacon." 911 mesh_iv_index_recovered(beacon_iv_update_active, beacon_iv_index); 912 // store updated iv index if in normal mode 913 if (beacon_iv_update_active == 0){ 914 mesh_persist_iv_index_and_sequence_number(); 915 } 916 return; 917 } 918 919 if (local_iv_update_active == 0){ 920 if (beacon_iv_update_active){ 921 mesh_trigger_iv_update(); 922 } 923 } else { 924 if (beacon_iv_update_active == 0){ 925 // " At the point of transition, the node shall reset the sequence number to 0x000000." 926 mesh_sequence_number_set(0); 927 mesh_iv_update_completed(); 928 // store updated iv index 929 mesh_persist_iv_index_and_sequence_number(); 930 } 931 } 932 } 933 934 static const uint32_t mesh_tag_for_prov_data = ((uint32_t) 'P' << 24) | ((uint32_t) 'R' << 16) | ((uint32_t) 'O' << 8) | (uint32_t)'V'; 935 936 void mesh_node_reset(void){ 937 // PROV 938 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, mesh_tag_for_prov_data); 939 // everything else 940 mesh_delete_network_keys(); 941 mesh_delete_app_keys(); 942 mesh_delete_appkey_lists(); 943 mesh_delete_virtual_addresses(); 944 mesh_delete_subscriptions(); 945 mesh_delete_publications(); 946 } 947 948 typedef struct { 949 uint16_t unicast_address; 950 uint8_t flags; 951 uint8_t device_key[16]; 952 953 } mesh_persistent_provisioning_data_t; 954 955 static void mesh_node_store_provisioning_data(mesh_provisioning_data_t * provisioning_data){ 956 957 // fill persistent prov data 958 mesh_persistent_provisioning_data_t persistent_provisioning_data; 959 960 persistent_provisioning_data.unicast_address = provisioning_data->unicast_address; 961 persistent_provisioning_data.flags = provisioning_data->flags; 962 memcpy(persistent_provisioning_data.device_key, provisioning_data->device_key, 16); 963 964 // store in tlv 965 btstack_tlv_get_instance(&btstack_tlv_singleton_impl, &btstack_tlv_singleton_context); 966 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, mesh_tag_for_prov_data, (uint8_t *) &persistent_provisioning_data, sizeof(mesh_persistent_provisioning_data_t)); 967 968 // store IV Index and sequence number 969 mesh_store_iv_index_and_sequence_number(provisioning_data->iv_index, 0); 970 971 // store primary network key 972 mesh_store_network_key(provisioning_data->network_key); 973 } 974 975 static void mesh_access_setup_unprovisioned_device(const uint8_t * device_uuid){ 976 #ifdef ENABLE_MESH_PB_ADV 977 // PB-ADV 978 beacon_unprovisioned_device_start(mesh_node_get_device_uuid(), 0); 979 #endif 980 #ifdef ENABLE_MESH_PB_GATT 981 mesh_proxy_start_advertising_unprovisioned_device(); 982 #endif 983 } 984 985 static void mesh_access_setup_without_provisiong_data_random(void * arg){ 986 UNUSED(arg); 987 // set random value 988 mesh_node_set_device_uuid(random_device_uuid); 989 mesh_access_setup_unprovisioned_device(random_device_uuid); 990 } 991 992 static void mesh_access_setup_with_provisiong_data_random(void * arg){ 993 UNUSED(arg); 994 // set random value 995 mesh_node_set_device_uuid(random_device_uuid); 996 } 997 998 static int mesh_node_startup_from_tlv(void){ 999 1000 mesh_persistent_provisioning_data_t persistent_provisioning_data; 1001 btstack_tlv_get_instance(&btstack_tlv_singleton_impl, &btstack_tlv_singleton_context); 1002 1003 // load provisioning data 1004 uint32_t prov_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, mesh_tag_for_prov_data, (uint8_t *) &persistent_provisioning_data, sizeof(mesh_persistent_provisioning_data_t)); 1005 printf("Provisioning data available: %u\n", prov_len ? 1 : 0); 1006 int prov_data_valid = prov_len == sizeof(mesh_persistent_provisioning_data_t); 1007 if (prov_data_valid){ 1008 1009 // copy into mesh_provisioning_data 1010 mesh_provisioning_data_t provisioning_data; 1011 memcpy(provisioning_data.device_key, persistent_provisioning_data.device_key, 16); 1012 provisioning_data.unicast_address = persistent_provisioning_data.unicast_address; 1013 provisioning_data.flags = persistent_provisioning_data.flags; 1014 provisioning_data.network_key = NULL; 1015 1016 printf("Flags %x, unicast_address %04x\n", persistent_provisioning_data.flags, provisioning_data.unicast_address); 1017 1018 // load iv index and sequence number 1019 uint32_t iv_index; 1020 uint32_t sequence_number; 1021 int ok = mesh_load_iv_index_and_sequence_number(&iv_index, &sequence_number); 1022 if (ok){ 1023 mesh_sequence_number_set(sequence_number); 1024 provisioning_data.iv_index = iv_index; 1025 } 1026 1027 // load network keys 1028 mesh_load_network_keys(); 1029 // load app keys 1030 mesh_load_app_keys(); 1031 // load model to appkey bindings 1032 mesh_load_appkey_lists(); 1033 // load virtual addresses 1034 mesh_load_virtual_addresses(); 1035 // load model subscriptions 1036 mesh_load_subscriptions(); 1037 // load model publications 1038 mesh_load_publications(); 1039 // load foundation state 1040 mesh_foundation_state_load(); 1041 1042 mesh_access_setup_from_provisioning_data(&provisioning_data); 1043 1044 // bump sequence number to account for interval updates 1045 sequence_number = mesh_sequence_number_peek() + MESH_SEQUENCE_NUMBER_STORAGE_INTERVAL; 1046 iv_index = mesh_get_iv_index(); 1047 mesh_store_iv_index_and_sequence_number(iv_index, sequence_number); 1048 mesh_sequence_number_set(sequence_number); 1049 log_info("IV Index: %08x, Sequence Number %08x", (int) iv_index, (int) sequence_number); 1050 1051 printf("IV Index: %08x, Sequence Number %08x\n", (int) iv_index, (int) sequence_number); 1052 1053 #if defined(ENABLE_MESH_ADV_BEARER) || defined(ENABLE_MESH_PB_ADV) 1054 // start sending Secure Network Beacon 1055 mesh_subnet_t * subnet = mesh_subnet_get_by_netkey_index(0); 1056 if (subnet){ 1057 beacon_secure_network_start(subnet); 1058 } 1059 #endif 1060 // create random uuid if not already set 1061 if (mesh_node_get_device_uuid() == NULL){ 1062 btstack_crypto_random_generate(&mesh_access_crypto_random, random_device_uuid, 16, &mesh_access_setup_with_provisiong_data_random, NULL); 1063 } 1064 1065 } else { 1066 1067 const uint8_t * device_uuid = mesh_node_get_device_uuid(); 1068 if (device_uuid){ 1069 mesh_access_setup_unprovisioned_device(device_uuid); 1070 } else{ 1071 btstack_crypto_random_generate(&mesh_access_crypto_random, random_device_uuid, 16, &mesh_access_setup_without_provisiong_data_random, NULL); 1072 } 1073 1074 } 1075 1076 return prov_data_valid; 1077 } 1078 1079 1080 static void mesh_node_setup_default_models(void){ 1081 // configure Config Server 1082 mesh_configuration_server_model.model_identifier = mesh_model_get_model_identifier_bluetooth_sig(MESH_SIG_MODEL_ID_CONFIGURATION_SERVER); 1083 mesh_configuration_server_model.model_data = &mesh_configuration_server_model_context; 1084 mesh_configuration_server_model.operations = mesh_configuration_server_get_operations(); 1085 mesh_element_add_model(mesh_node_get_primary_element(), &mesh_configuration_server_model); 1086 1087 // Config Health Server 1088 mesh_health_server_model.model_identifier = mesh_model_get_model_identifier_bluetooth_sig(MESH_SIG_MODEL_ID_HEALTH_SERVER); 1089 mesh_element_add_model(mesh_node_get_primary_element(), &mesh_health_server_model); 1090 } 1091 1092 void mesh_init(void){ 1093 1094 // register for HCI events 1095 hci_event_callback_registration.callback = &hci_packet_handler; 1096 hci_add_event_handler(&hci_event_callback_registration); 1097 1098 // ADV Bearer also used for GATT Proxy Advertisements and PB-GATT 1099 adv_bearer_init(); 1100 1101 #ifdef ENABLE_MESH_GATT_BEARER 1102 // Setup GATT bearer 1103 gatt_bearer_init(); 1104 #endif 1105 1106 #ifdef ENABLE_MESH_ADV_BEARER 1107 // Setup Unprovisioned Device Beacon 1108 beacon_init(); 1109 #endif 1110 1111 provisioning_device_init(); 1112 provisioning_device_register_packet_handler(&mesh_provisioning_message_handler); 1113 1114 // Node Configuration 1115 mesh_node_init(); 1116 1117 // Network layer 1118 mesh_network_init(); 1119 1120 // Transport layers (lower + upper)) 1121 mesh_lower_transport_init(); 1122 mesh_upper_transport_init(); 1123 1124 // Access layer 1125 mesh_access_init(); 1126 1127 // Add mandatory models: Config Server and Health Server 1128 mesh_node_setup_default_models(); 1129 1130 // register for secure network beacons 1131 beacon_register_for_secure_network_beacons(&mesh_access_secure_network_beacon_handler); 1132 1133 // register for seq number updates 1134 mesh_sequence_number_set_update_callback(&mesh_persist_iv_index_and_sequence_number_if_needed); 1135 } 1136 1137 /** 1138 * Register for Mesh Provisioning Device events 1139 * @param packet_handler 1140 */ 1141 void mesh_register_provisioning_device_packet_handler(btstack_packet_handler_t packet_handler){ 1142 provisioning_device_packet_handler = packet_handler; 1143 } 1144