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 mesh_virtual_address_increase_refcount(virtual_address); 480 } 481 482 mesh_model_publication_start(mesh_model); 483 } 484 485 void mesh_model_store_publication(mesh_model_t * mesh_model){ 486 if (mesh_model->publication_model == NULL) return; 487 uint32_t tag = mesh_model_publication_tag_for_index(mesh_model->mid); 488 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &mesh_model->subscriptions, sizeof(mesh_publication_model_t)); 489 } 490 491 static void mesh_model_delete_publication(mesh_model_t * mesh_model){ 492 if (mesh_model->publication_model == NULL) return; 493 uint32_t tag = mesh_model_publication_tag_for_index(mesh_model->mid); 494 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 495 } 496 497 void mesh_load_publications(void){ 498 printf("Load Model Publications\n"); 499 // iterate over elements and models 500 mesh_element_iterator_t element_it; 501 mesh_element_iterator_init(&element_it); 502 while (mesh_element_iterator_has_next(&element_it)){ 503 mesh_element_t * element = mesh_element_iterator_next(&element_it); 504 mesh_model_iterator_t model_it; 505 mesh_model_iterator_init(&model_it, element); 506 while (mesh_model_iterator_has_next(&model_it)){ 507 mesh_model_t * model = mesh_model_iterator_next(&model_it); 508 mesh_model_load_publication(model); 509 } 510 } 511 } 512 513 void mesh_delete_publications(void){ 514 printf("Delete Model Publications\n"); 515 // iterate over elements and models 516 mesh_element_iterator_t element_it; 517 mesh_element_iterator_init(&element_it); 518 while (mesh_element_iterator_has_next(&element_it)){ 519 mesh_element_t * element = mesh_element_iterator_next(&element_it); 520 mesh_model_iterator_t model_it; 521 mesh_model_iterator_init(&model_it, element); 522 while (mesh_model_iterator_has_next(&model_it)){ 523 mesh_model_t * model = mesh_model_iterator_next(&model_it); 524 mesh_model_delete_publication(model); 525 } 526 } 527 } 528 529 // Mesh Network Keys 530 static uint32_t mesh_network_key_tag_for_internal_index(uint16_t internal_index){ 531 return ((uint32_t) 'M' << 24) | ((uint32_t) 'N' << 16) | ((uint32_t) internal_index); 532 } 533 534 void mesh_store_network_key(mesh_network_key_t * network_key){ 535 mesh_persistent_net_key_t data; 536 printf("Store NetKey: internal index 0x%x, NetKey Index 0x%06x, NID %02x: ", network_key->internal_index, network_key->netkey_index, network_key->nid); 537 printf_hexdump(network_key->net_key, 16); 538 uint32_t tag = mesh_network_key_tag_for_internal_index(network_key->internal_index); 539 data.netkey_index = network_key->netkey_index; 540 memcpy(data.net_key, network_key->net_key, 16); 541 memcpy(data.identity_key, network_key->identity_key, 16); 542 memcpy(data.beacon_key, network_key->beacon_key, 16); 543 memcpy(data.network_id, network_key->network_id, 8); 544 data.nid = network_key->nid; 545 data.version = network_key->version; 546 memcpy(data.encryption_key, network_key->encryption_key, 16); 547 memcpy(data.privacy_key, network_key->privacy_key, 16); 548 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(mesh_persistent_net_key_t)); 549 } 550 551 void mesh_delete_network_key(uint16_t internal_index){ 552 uint32_t tag = mesh_network_key_tag_for_internal_index(internal_index); 553 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 554 } 555 556 557 void mesh_load_network_keys(void){ 558 printf("Load Network Keys\n"); 559 uint16_t internal_index; 560 for (internal_index = 0; internal_index < MAX_NR_MESH_NETWORK_KEYS; internal_index++){ 561 mesh_persistent_net_key_t data; 562 uint32_t tag = mesh_network_key_tag_for_internal_index(internal_index); 563 int netkey_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 564 if (netkey_len != sizeof(mesh_persistent_net_key_t)) continue; 565 566 mesh_network_key_t * network_key = btstack_memory_mesh_network_key_get(); 567 if (network_key == NULL) return; 568 569 network_key->netkey_index = data.netkey_index; 570 memcpy(network_key->net_key, data.net_key, 16); 571 memcpy(network_key->identity_key, data.identity_key, 16); 572 memcpy(network_key->beacon_key, data.beacon_key, 16); 573 memcpy(network_key->network_id, data.network_id, 8); 574 network_key->nid = data.nid; 575 network_key->version = data.version; 576 memcpy(network_key->encryption_key, data.encryption_key, 16); 577 memcpy(network_key->privacy_key, data.privacy_key, 16); 578 579 #ifdef ENABLE_GATT_BEARER 580 // setup advertisement with network id 581 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); 582 #endif 583 584 mesh_network_key_add(network_key); 585 586 mesh_subnet_setup_for_netkey_index(network_key->netkey_index); 587 588 printf("- internal index 0x%x, NetKey Index 0x%06x, NID %02x: ", network_key->internal_index, network_key->netkey_index, network_key->nid); 589 printf_hexdump(network_key->net_key, 16); 590 } 591 } 592 593 void mesh_delete_network_keys(void){ 594 printf("Delete Network Keys\n"); 595 596 uint16_t internal_index; 597 for (internal_index = 0; internal_index < MAX_NR_MESH_NETWORK_KEYS; internal_index++){ 598 mesh_delete_network_key(internal_index); 599 } 600 } 601 602 // Mesh App Keys 603 604 static uint32_t mesh_transport_key_tag_for_internal_index(uint16_t internal_index){ 605 return ((uint32_t) 'M' << 24) | ((uint32_t) 'A' << 16) | ((uint32_t) internal_index); 606 } 607 608 void mesh_store_app_key(mesh_transport_key_t * app_key){ 609 mesh_persistent_app_key_t data; 610 printf("Store AppKey: internal index 0x%x, AppKey Index 0x%06x, AID %02x: ", app_key->internal_index, app_key->appkey_index, app_key->aid); 611 printf_hexdump(app_key->key, 16); 612 uint32_t tag = mesh_transport_key_tag_for_internal_index(app_key->internal_index); 613 data.netkey_index = app_key->netkey_index; 614 data.appkey_index = app_key->appkey_index; 615 data.aid = app_key->aid; 616 data.version = app_key->version; 617 memcpy(data.key, app_key->key, 16); 618 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 619 } 620 621 void mesh_delete_app_key(uint16_t internal_index){ 622 uint32_t tag = mesh_transport_key_tag_for_internal_index(internal_index); 623 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 624 } 625 626 void mesh_load_app_keys(void){ 627 printf("Load App Keys\n"); 628 uint16_t internal_index; 629 for (internal_index = 0; internal_index < MAX_NR_MESH_TRANSPORT_KEYS; internal_index++){ 630 mesh_persistent_app_key_t data; 631 uint32_t tag = mesh_transport_key_tag_for_internal_index(internal_index); 632 int app_key_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 633 if (app_key_len == 0) continue; 634 635 mesh_transport_key_t * key = btstack_memory_mesh_transport_key_get(); 636 if (key == NULL) return; 637 638 key->internal_index = internal_index; 639 key->appkey_index = data.appkey_index; 640 key->netkey_index = data.netkey_index; 641 key->aid = data.aid; 642 key->akf = 1; 643 key->version = data.version; 644 memcpy(key->key, data.key, 16); 645 mesh_transport_key_add(key); 646 printf("- internal index 0x%x, AppKey Index 0x%06x, AID %02x: ", key->internal_index, key->appkey_index, key->aid); 647 printf_hexdump(key->key, 16); 648 } 649 } 650 651 void mesh_delete_app_keys(void){ 652 printf("Delete App Keys\n"); 653 654 uint16_t internal_index; 655 for (internal_index = 0; internal_index < MAX_NR_MESH_TRANSPORT_KEYS; internal_index++){ 656 mesh_delete_app_key(internal_index); 657 } 658 } 659 660 661 // Model to Appkey List 662 663 static uint32_t mesh_model_tag_for_index(uint16_t internal_model_id){ 664 return ((uint32_t) 'M' << 24) | ((uint32_t) 'B' << 16) | ((uint32_t) internal_model_id); 665 } 666 667 static void mesh_load_appkey_list(mesh_model_t * model){ 668 uint32_t tag = mesh_model_tag_for_index(model->mid); 669 btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &model->appkey_indices, sizeof(model->appkey_indices)); 670 } 671 672 static void mesh_store_appkey_list(mesh_model_t * model){ 673 uint32_t tag = mesh_model_tag_for_index(model->mid); 674 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &model->appkey_indices, sizeof(model->appkey_indices)); 675 } 676 677 static void mesh_delete_appkey_list(mesh_model_t * model){ 678 uint32_t tag = mesh_model_tag_for_index(model->mid); 679 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 680 } 681 682 void mesh_load_appkey_lists(void){ 683 printf("Load Appkey Lists\n"); 684 // iterate over elements and models 685 mesh_element_iterator_t element_it; 686 mesh_element_iterator_init(&element_it); 687 while (mesh_element_iterator_has_next(&element_it)){ 688 mesh_element_t * element = mesh_element_iterator_next(&element_it); 689 mesh_model_iterator_t model_it; 690 mesh_model_iterator_init(&model_it, element); 691 while (mesh_model_iterator_has_next(&model_it)){ 692 mesh_model_t * model = mesh_model_iterator_next(&model_it); 693 mesh_load_appkey_list(model); 694 } 695 } 696 } 697 698 void mesh_delete_appkey_lists(void){ 699 printf("Delete Appkey Lists\n"); 700 // iterate over elements and models 701 mesh_element_iterator_t element_it; 702 mesh_element_iterator_init(&element_it); 703 while (mesh_element_iterator_has_next(&element_it)){ 704 mesh_element_t * element = mesh_element_iterator_next(&element_it); 705 mesh_model_iterator_t model_it; 706 mesh_model_iterator_init(&model_it, element); 707 while (mesh_model_iterator_has_next(&model_it)){ 708 mesh_model_t * model = mesh_model_iterator_next(&model_it); 709 mesh_delete_appkey_list(model); 710 } 711 } 712 } 713 714 uint8_t mesh_model_bind_appkey(mesh_model_t * mesh_model, uint16_t appkey_index){ 715 uint16_t i; 716 for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){ 717 if (mesh_model->appkey_indices[i] == appkey_index) return MESH_FOUNDATION_STATUS_SUCCESS; 718 } 719 for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){ 720 if (mesh_model->appkey_indices[i] == MESH_APPKEY_INVALID) { 721 mesh_model->appkey_indices[i] = appkey_index; 722 mesh_store_appkey_list(mesh_model); 723 return MESH_FOUNDATION_STATUS_SUCCESS; 724 } 725 } 726 return MESH_FOUNDATION_STATUS_INSUFFICIENT_RESOURCES; 727 } 728 729 void mesh_model_unbind_appkey(mesh_model_t * mesh_model, uint16_t appkey_index){ 730 uint16_t i; 731 for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){ 732 if (mesh_model->appkey_indices[i] == appkey_index) { 733 mesh_model->appkey_indices[i] = MESH_APPKEY_INVALID; 734 mesh_store_appkey_list(mesh_model); 735 } 736 } 737 } 738 739 int mesh_model_contains_appkey(mesh_model_t * mesh_model, uint16_t appkey_index){ 740 uint16_t i; 741 for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){ 742 if (mesh_model->appkey_indices[i] == appkey_index) return 1; 743 } 744 return 0; 745 } 746 747 void mesh_access_netkey_finalize(mesh_network_key_t * network_key){ 748 mesh_network_key_remove(network_key); 749 mesh_delete_network_key(network_key->internal_index); 750 btstack_memory_mesh_network_key_free(network_key); 751 } 752 753 void mesh_access_appkey_finalize(mesh_transport_key_t * transport_key){ 754 mesh_transport_key_remove(transport_key); 755 mesh_delete_app_key(transport_key->appkey_index); 756 btstack_memory_mesh_transport_key_free(transport_key); 757 } 758 759 void mesh_access_key_refresh_revoke_keys(mesh_subnet_t * subnet){ 760 // delete old netkey index 761 mesh_access_netkey_finalize(subnet->old_key); 762 subnet->old_key = subnet->new_key; 763 subnet->new_key = NULL; 764 765 // delete old appkeys, if any 766 mesh_transport_key_iterator_t it; 767 mesh_transport_key_iterator_init(&it, subnet->netkey_index); 768 while (mesh_transport_key_iterator_has_more(&it)){ 769 mesh_transport_key_t * transport_key = mesh_transport_key_iterator_get_next(&it); 770 if (transport_key->old_key == 0) continue; 771 mesh_access_appkey_finalize(transport_key); 772 } 773 } 774 775 // Mesh IV Index 776 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'); 777 778 static int mesh_load_iv_index_and_sequence_number(uint32_t * iv_index, uint32_t * sequence_number){ 779 iv_index_and_sequence_number_t data; 780 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)); 781 if (len == sizeof(iv_index_and_sequence_number_t)){ 782 *iv_index = data.iv_index; 783 *sequence_number = data.seq_number; 784 return 1; 785 } 786 return 0; 787 } 788 789 static void mesh_store_iv_index_and_sequence_number(uint32_t iv_index, uint32_t sequence_number){ 790 iv_index_and_sequence_number_t data; 791 data.iv_index = iv_index; 792 data.seq_number = 0; 793 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, mesh_tag_for_iv_index_and_seq_number, (uint8_t *) &data, sizeof(data)); 794 795 sequence_number_last_stored = data.seq_number; 796 sequence_number_storage_trigger = sequence_number_last_stored + MESH_SEQUENCE_NUMBER_STORAGE_INTERVAL; 797 } 798 799 static void mesh_persist_iv_index_and_sequence_number(void){ 800 mesh_store_iv_index_and_sequence_number(mesh_get_iv_index(), mesh_sequence_number_peek()); 801 } 802 803 804 // higher layer - only store if sequence number is higher than trigger 805 static void mesh_persist_iv_index_and_sequence_number_if_needed(void){ 806 if (mesh_sequence_number_peek() >= sequence_number_storage_trigger){ 807 mesh_persist_iv_index_and_sequence_number(); 808 } 809 } 810 811 static void mesh_access_secure_network_beacon_handler(uint8_t packet_type, uint16_t channel, uint8_t * packet, uint16_t size){ 812 UNUSED(channel); 813 UNUSED(size); 814 815 if (packet_type != MESH_BEACON_PACKET) return; 816 817 // lookup subnet and netkey by network id 818 uint8_t * beacon_network_id = &packet[2]; 819 mesh_subnet_iterator_t it; 820 mesh_subnet_iterator_init(&it); 821 mesh_subnet_t * subnet = NULL; 822 uint8_t new_key = 0; 823 while (mesh_subnet_iterator_has_more(&it)){ 824 mesh_subnet_t * item = mesh_subnet_iterator_get_next(&it); 825 if (memcmp(item->old_key->network_id, beacon_network_id, 8) == 0 ) { 826 subnet = item; 827 } 828 if (item->new_key != NULL && memcmp(item->new_key->network_id, beacon_network_id, 8) == 0 ) { 829 subnet = item; 830 new_key = 1; 831 } 832 break; 833 } 834 if (subnet == NULL) return; 835 836 uint8_t flags = packet[1]; 837 838 // Key refresh via secure network beacons that are authenticated with new netkey 839 if (new_key){ 840 // either first or second phase (in phase 0, new key is not set) 841 int key_refresh_flag = flags & 1; 842 if (key_refresh_flag){ 843 // transition to phase 3 from either phase 1 or 2 844 switch (subnet->key_refresh){ 845 case MESH_KEY_REFRESH_FIRST_PHASE: 846 case MESH_KEY_REFRESH_SECOND_PHASE: 847 mesh_access_key_refresh_revoke_keys(subnet); 848 subnet->key_refresh = MESH_KEY_REFRESH_NOT_ACTIVE; 849 break; 850 default: 851 break; 852 } 853 } else { 854 // transition to phase 2 from either phase 1 855 switch (subnet->key_refresh){ 856 case MESH_KEY_REFRESH_FIRST_PHASE: 857 // -- update state 858 subnet->key_refresh = MESH_KEY_REFRESH_SECOND_PHASE; 859 break; 860 default: 861 break; 862 } 863 } 864 } 865 866 // IV Update 867 868 int beacon_iv_update_active = flags & 2; 869 int local_iv_update_active = mesh_iv_update_active(); 870 uint32_t beacon_iv_index = big_endian_read_32(packet, 10); 871 uint32_t local_iv_index = mesh_get_iv_index(); 872 873 int32_t iv_index_delta = (int32_t)(beacon_iv_index - local_iv_index); 874 875 // "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 876 // the last known IV Index + 42, the Secure Network beacon shall be ignored." 877 if (iv_index_delta < 0 || iv_index_delta > 42){ 878 return; 879 } 880 881 // "If a node in Normal Operation receives a Secure Network beacon with an IV index equal to the last known IV index+1 and 882 // 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 883 // an IV Index Recovery procedure (Section 3.10.6), or it may ignore the Secure Network beacon. The node makes the choice depending 884 // 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."" 885 if (local_iv_update_active == 0 && beacon_iv_update_active == 0 && iv_index_delta == 1){ 886 // instant iv update 887 mesh_set_iv_index( beacon_iv_index ); 888 // store updated iv index 889 mesh_persist_iv_index_and_sequence_number(); 890 return; 891 } 892 893 // "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 894 // the last known IV Index of the primary subnet, the Secure Network beacon shall be ignored." 895 int member_of_primary_subnet = mesh_subnet_get_by_netkey_index(0) != NULL; 896 int beacon_on_secondary_subnet = subnet->netkey_index != 0; 897 if (member_of_primary_subnet && beacon_on_secondary_subnet && iv_index_delta > 0){ 898 return; 899 } 900 901 // "If a node in Normal Operation receives a Secure Network beacon with an IV index greater than the last known IV Index + 1..." 902 // "... it may initiate an IV Index Recovery procedure, see Section 3.10.6." 903 if (local_iv_update_active == 0 && iv_index_delta > 1){ 904 // "Upon receiving and successfully authenticating a Secure Network beacon for a primary subnet... " 905 int beacon_on_primary_subnet = subnet->netkey_index == 0; 906 if (!beacon_on_primary_subnet) return; 907 // "... whose IV Index is 1 or more higher than the current known IV Index, the node shall " 908 // " set its current IV Index and its current IV Update procedure state from the values in this Secure Network beacon." 909 mesh_iv_index_recovered(beacon_iv_update_active, beacon_iv_index); 910 // store updated iv index if in normal mode 911 if (beacon_iv_update_active == 0){ 912 mesh_persist_iv_index_and_sequence_number(); 913 } 914 return; 915 } 916 917 if (local_iv_update_active == 0){ 918 if (beacon_iv_update_active){ 919 mesh_trigger_iv_update(); 920 } 921 } else { 922 if (beacon_iv_update_active == 0){ 923 // " At the point of transition, the node shall reset the sequence number to 0x000000." 924 mesh_sequence_number_set(0); 925 mesh_iv_update_completed(); 926 // store updated iv index 927 mesh_persist_iv_index_and_sequence_number(); 928 } 929 } 930 } 931 932 static uint32_t mesh_tag_for_prov_data(void){ 933 return ((uint32_t) 'P' << 24) | ((uint32_t) 'R' << 16) | ((uint32_t) 'O' << 8) | (uint32_t)'V'; 934 } 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 memcpy(persistent_provisioning_data.device_key, provisioning_data->device_key, 16); 962 963 // store in tlv 964 btstack_tlv_get_instance(&btstack_tlv_singleton_impl, &btstack_tlv_singleton_context); 965 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)); 966 967 // store IV Index and sequence number 968 mesh_store_iv_index_and_sequence_number(provisioning_data->iv_index, 0); 969 970 // store primary network key 971 mesh_store_network_key(provisioning_data->network_key); 972 } 973 974 static void mesh_access_setup_unprovisioned_device(const uint8_t * device_uuid){ 975 #ifdef ENABLE_MESH_PB_ADV 976 // PB-ADV 977 beacon_unprovisioned_device_start(mesh_node_get_device_uuid(), 0); 978 #endif 979 #ifdef ENABLE_MESH_PB_GATT 980 mesh_proxy_start_advertising_unprovisioned_device(); 981 #endif 982 } 983 984 static void mesh_access_setup_without_provisiong_data_random(void * arg){ 985 UNUSED(arg); 986 // set random value 987 mesh_node_set_device_uuid(random_device_uuid); 988 mesh_access_setup_unprovisioned_device(random_device_uuid); 989 } 990 991 static void mesh_access_setup_with_provisiong_data_random(void * arg){ 992 UNUSED(arg); 993 // set random value 994 mesh_node_set_device_uuid(random_device_uuid); 995 } 996 997 static int mesh_node_startup_from_tlv(void){ 998 999 mesh_persistent_provisioning_data_t persistent_provisioning_data; 1000 btstack_tlv_get_instance(&btstack_tlv_singleton_impl, &btstack_tlv_singleton_context); 1001 1002 // load provisioning data 1003 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)); 1004 printf("Provisioning data available: %u\n", prov_len ? 1 : 0); 1005 int prov_data_valid = prov_len == sizeof(mesh_persistent_provisioning_data_t); 1006 if (prov_data_valid){ 1007 1008 // copy into mesh_provisioning_data 1009 mesh_provisioning_data_t provisioning_data; 1010 memcpy(provisioning_data.device_key, persistent_provisioning_data.device_key, 16); 1011 provisioning_data.unicast_address = persistent_provisioning_data.unicast_address; 1012 provisioning_data.flags = persistent_provisioning_data.flags; 1013 provisioning_data.network_key = NULL; 1014 1015 // load iv index 1016 uint32_t iv_index; 1017 uint32_t sequence_number; 1018 int ok = mesh_load_iv_index_and_sequence_number(&iv_index, &sequence_number); 1019 if (ok){ 1020 // bump sequence number to account for interval updates 1021 sequence_number += MESH_SEQUENCE_NUMBER_STORAGE_INTERVAL; 1022 mesh_sequence_number_set(sequence_number); 1023 mesh_persist_iv_index_and_sequence_number(); 1024 log_info("IV Index: %08x, Sequence Number %08x", (int) iv_index, (int) sequence_number); 1025 provisioning_data.iv_index = iv_index; 1026 } 1027 1028 // load network keys 1029 mesh_load_network_keys(); 1030 // load app keys 1031 mesh_load_app_keys(); 1032 // load model to appkey bindings 1033 mesh_load_appkey_lists(); 1034 // load virtual addresses 1035 mesh_load_virtual_addresses(); 1036 // load model subscriptions 1037 mesh_load_subscriptions(); 1038 // load model publications 1039 mesh_load_publications(); 1040 // load foundation state 1041 mesh_foundation_state_load(); 1042 1043 mesh_access_setup_from_provisioning_data(&provisioning_data); 1044 1045 #if defined(ENABLE_MESH_ADV_BEARER) || defined(ENABLE_MESH_PB_ADV) 1046 // start sending Secure Network Beacon 1047 mesh_subnet_t * subnet = mesh_subnet_get_by_netkey_index(0); 1048 if (subnet){ 1049 beacon_secure_network_start(subnet); 1050 } 1051 #endif 1052 // create random uuid if not already set 1053 if (mesh_node_get_device_uuid() == NULL){ 1054 btstack_crypto_random_generate(&mesh_access_crypto_random, random_device_uuid, 16, &mesh_access_setup_with_provisiong_data_random, NULL); 1055 } 1056 1057 } else { 1058 1059 const uint8_t * device_uuid = mesh_node_get_device_uuid(); 1060 if (device_uuid){ 1061 mesh_access_setup_unprovisioned_device(device_uuid); 1062 } else{ 1063 btstack_crypto_random_generate(&mesh_access_crypto_random, random_device_uuid, 16, &mesh_access_setup_without_provisiong_data_random, NULL); 1064 } 1065 1066 } 1067 1068 return prov_data_valid; 1069 } 1070 1071 1072 static void mesh_node_setup_default_models(void){ 1073 // configure Config Server 1074 mesh_configuration_server_model.model_identifier = mesh_model_get_model_identifier_bluetooth_sig(MESH_SIG_MODEL_ID_CONFIGURATION_SERVER); 1075 mesh_configuration_server_model.model_data = &mesh_configuration_server_model_context; 1076 mesh_configuration_server_model.operations = mesh_configuration_server_get_operations(); 1077 mesh_element_add_model(mesh_node_get_primary_element(), &mesh_configuration_server_model); 1078 1079 // Config Health Server 1080 mesh_health_server_model.model_identifier = mesh_model_get_model_identifier_bluetooth_sig(MESH_SIG_MODEL_ID_HEALTH_SERVER); 1081 mesh_element_add_model(mesh_node_get_primary_element(), &mesh_health_server_model); 1082 } 1083 1084 void mesh_init(void){ 1085 1086 // register for HCI events 1087 hci_event_callback_registration.callback = &hci_packet_handler; 1088 hci_add_event_handler(&hci_event_callback_registration); 1089 1090 // ADV Bearer also used for GATT Proxy Advertisements and PB-GATT 1091 adv_bearer_init(); 1092 1093 #ifdef ENABLE_MESH_GATT_BEARER 1094 // Setup GATT bearer 1095 gatt_bearer_init(); 1096 #endif 1097 1098 #ifdef ENABLE_MESH_ADV_BEARER 1099 // Setup Unprovisioned Device Beacon 1100 beacon_init(); 1101 #endif 1102 1103 provisioning_device_init(); 1104 provisioning_device_register_packet_handler(&mesh_provisioning_message_handler); 1105 1106 // Node Configuration 1107 mesh_node_init(); 1108 1109 // Network layer 1110 mesh_network_init(); 1111 1112 // Transport layers (lower + upper)) 1113 mesh_lower_transport_init(); 1114 mesh_upper_transport_init(); 1115 1116 // Access layer 1117 mesh_access_init(); 1118 1119 // Add mandatory models: Config Server and Health Server 1120 mesh_node_setup_default_models(); 1121 1122 // register for secure network beacons 1123 beacon_register_for_secure_network_beacons(&mesh_access_secure_network_beacon_handler); 1124 1125 // register for seq number updates 1126 mesh_sequence_number_set_update_callback(&mesh_persist_iv_index_and_sequence_number_if_needed); 1127 } 1128 1129 /** 1130 * Register for Mesh Provisioning Device events 1131 * @param packet_handler 1132 */ 1133 void mesh_register_provisioning_device_packet_handler(btstack_packet_handler_t packet_handler){ 1134 provisioning_device_packet_handler = packet_handler; 1135 } 1136