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_on_off_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 #ifdef ENABLE_MESH_PROXY_SERVER 244 // start advertising with node id after provisioning 245 mesh_proxy_set_advertising_with_node_id(provisioning_data.network_key->netkey_index, MESH_NODE_IDENTITY_STATE_ADVERTISING_RUNNING); 246 #endif 247 248 provisioned = 1; 249 break; 250 default: 251 break; 252 } 253 break; 254 default: 255 break; 256 } 257 if (provisioning_device_packet_handler == NULL) return; 258 259 // forward 260 (*provisioning_device_packet_handler)(packet_type, channel, packet, size); 261 } 262 263 static void hci_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 264 UNUSED(channel); 265 UNUSED(size); 266 267 switch (packet_type) { 268 case HCI_EVENT_PACKET: 269 switch (hci_event_packet_get_type(packet)) { 270 case BTSTACK_EVENT_STATE: 271 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break; 272 // get TLV instance 273 btstack_tlv_get_instance(&btstack_tlv_singleton_impl, &btstack_tlv_singleton_context); 274 275 // startup from static provisioning data stored in TLV 276 provisioned = mesh_node_startup_from_tlv(); 277 break; 278 279 #ifdef ENABLE_MESH_PROXY_SERVER 280 case HCI_EVENT_DISCONNECTION_COMPLETE: 281 // enable PB_GATT 282 if (provisioned == 0){ 283 mesh_proxy_start_advertising_unprovisioned_device(); 284 } else { 285 mesh_proxy_start_advertising_with_network_id(); 286 } 287 break; 288 289 case HCI_EVENT_LE_META: 290 if (hci_event_le_meta_get_subevent_code(packet) != HCI_SUBEVENT_LE_CONNECTION_COMPLETE) break; 291 // disable PB_GATT 292 mesh_proxy_stop_advertising_unprovisioned_device(); 293 break; 294 #endif 295 default: 296 break; 297 } 298 break; 299 } 300 } 301 302 // Foundation state 303 static const uint32_t mesh_foundation_state_tag = ((uint32_t) 'M' << 24) | ((uint32_t) 'F' << 16) | ((uint32_t) 'N' << 8) | ((uint32_t) 'D' << 8); 304 305 void mesh_foundation_state_load(void){ 306 mesh_persistent_foundation_t data; 307 308 int foundation_state_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, mesh_foundation_state_tag, (uint8_t *) &data, sizeof(data)); 309 if (foundation_state_len != sizeof(data)) return; 310 311 mesh_foundation_gatt_proxy_set(data.gatt_proxy); 312 mesh_foundation_beacon_set(data.gatt_proxy); 313 mesh_foundation_default_ttl_set(data.default_ttl); 314 mesh_foundation_friend_set(data.friend); 315 mesh_foundation_network_transmit_set(data.network_transmit); 316 mesh_foundation_relay_set(data.relay); 317 mesh_foundation_relay_retransmit_set(data.relay_retransmit); 318 } 319 320 void mesh_foundation_state_store(void){ 321 mesh_persistent_foundation_t data; 322 data.gatt_proxy = mesh_foundation_gatt_proxy_get(); 323 data.gatt_proxy = mesh_foundation_beacon_get(); 324 data.default_ttl = mesh_foundation_default_ttl_get(); 325 data.friend = mesh_foundation_friend_get(); 326 data.network_transmit = mesh_foundation_network_transmit_get(); 327 data.relay = mesh_foundation_relay_get(); 328 data.relay_retransmit = mesh_foundation_relay_retransmit_get(); 329 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, mesh_foundation_state_tag, (uint8_t *) &data, sizeof(data)); 330 } 331 332 // Mesh Virtual Address Management 333 static uint32_t mesh_virtual_address_tag_for_pseudo_dst(uint16_t pseudo_dst){ 334 return ((uint32_t) 'M' << 24) | ((uint32_t) 'V' << 16) | ((uint32_t) pseudo_dst); 335 } 336 337 static void mesh_store_virtual_address(uint16_t pseudo_dest, uint16_t hash, const uint8_t * label_uuid){ 338 mesh_persistent_virtual_address_t data; 339 uint32_t tag = mesh_virtual_address_tag_for_pseudo_dst(pseudo_dest); 340 data.hash = hash; 341 memcpy(data.label_uuid, label_uuid, 16); 342 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 343 } 344 345 static void mesh_delete_virtual_address(uint16_t pseudo_dest){ 346 uint32_t tag = mesh_virtual_address_tag_for_pseudo_dst(pseudo_dest); 347 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 348 } 349 350 void mesh_load_virtual_addresses(void){ 351 uint16_t pseudo_dst; 352 for (pseudo_dst = 0x8000; pseudo_dst < (0x8000 + MAX_NR_MESH_VIRTUAL_ADDRESSES); pseudo_dst++){ 353 mesh_virtual_address_tag_for_pseudo_dst(pseudo_dst); 354 mesh_persistent_virtual_address_t data; 355 uint32_t tag = mesh_virtual_address_tag_for_pseudo_dst(pseudo_dst); 356 int virtual_address_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 357 if (virtual_address_len == 0) continue; 358 359 mesh_virtual_address_t * virtual_address = btstack_memory_mesh_virtual_address_get(); 360 if (virtual_address == NULL) return; 361 362 virtual_address->pseudo_dst = pseudo_dst; 363 virtual_address->hash = data.hash; 364 memcpy(virtual_address->label_uuid, data.label_uuid, 16); 365 mesh_virtual_address_add(virtual_address); 366 } 367 } 368 369 void mesh_delete_virtual_addresses(void){ 370 uint16_t pseudo_dest; 371 for (pseudo_dest = 0x8000; pseudo_dest < (0x8000 + MAX_NR_MESH_VIRTUAL_ADDRESSES); pseudo_dest++){ 372 mesh_delete_virtual_address(pseudo_dest); 373 } 374 } 375 376 void mesh_virtual_address_decrease_refcount(mesh_virtual_address_t * virtual_address){ 377 if (virtual_address == NULL){ 378 log_error("virtual_address == NULL"); 379 } 380 // decrease refcount 381 virtual_address->ref_count--; 382 // Free virtual address if ref count reaches zero 383 if (virtual_address->ref_count > 0) return; 384 // delete from TLV 385 mesh_delete_virtual_address(virtual_address->pseudo_dst); 386 // remove from list 387 mesh_virtual_address_remove(virtual_address); 388 // free memory 389 btstack_memory_mesh_virtual_address_free(virtual_address); 390 } 391 392 void mesh_virtual_address_increase_refcount(mesh_virtual_address_t * virtual_address){ 393 if (virtual_address == NULL){ 394 log_error("virtual_address == NULL"); 395 } 396 virtual_address->ref_count++; 397 if (virtual_address->ref_count > 1) return; 398 // store in TLV 399 mesh_store_virtual_address(virtual_address->pseudo_dst, virtual_address->hash, virtual_address->label_uuid); 400 } 401 402 // Mesh Subscriptions 403 static uint32_t mesh_model_subscription_tag_for_index(uint16_t internal_model_id){ 404 return ((uint32_t) 'M' << 24) | ((uint32_t) 'S' << 16) | ((uint32_t) internal_model_id); 405 } 406 407 static void mesh_model_load_subscriptions(mesh_model_t * mesh_model){ 408 uint32_t tag = mesh_model_subscription_tag_for_index(mesh_model->mid); 409 btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &mesh_model->subscriptions, sizeof(mesh_model->subscriptions)); 410 // update ref count 411 412 // increase ref counts for virtual subscriptions 413 uint16_t i; 414 for (i = 0; i<MAX_NR_MESH_SUBSCRIPTION_PER_MODEL ; i++){ 415 uint16_t src = mesh_model->subscriptions[i]; 416 if (mesh_network_address_virtual(src)){ 417 mesh_virtual_address_t * virtual_address = mesh_virtual_address_for_pseudo_dst(src); 418 mesh_virtual_address_increase_refcount(virtual_address); 419 } 420 } 421 } 422 423 void mesh_model_store_subscriptions(mesh_model_t * model){ 424 uint32_t tag = mesh_model_subscription_tag_for_index(model->mid); 425 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &model->subscriptions, sizeof(model->subscriptions)); 426 } 427 428 static void mesh_model_delete_subscriptions(mesh_model_t * model){ 429 uint32_t tag = mesh_model_subscription_tag_for_index(model->mid); 430 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 431 } 432 433 void mesh_load_subscriptions(void){ 434 printf("Load Model Subscription Lists\n"); 435 // iterate over elements and models 436 mesh_element_iterator_t element_it; 437 mesh_element_iterator_init(&element_it); 438 while (mesh_element_iterator_has_next(&element_it)){ 439 mesh_element_t * element = mesh_element_iterator_next(&element_it); 440 mesh_model_iterator_t model_it; 441 mesh_model_iterator_init(&model_it, element); 442 while (mesh_model_iterator_has_next(&model_it)){ 443 mesh_model_t * model = mesh_model_iterator_next(&model_it); 444 mesh_model_load_subscriptions(model); 445 } 446 } 447 } 448 449 void mesh_delete_subscriptions(void){ 450 printf("Delete Model Subscription Lists\n"); 451 // iterate over elements and models 452 mesh_element_iterator_t element_it; 453 mesh_element_iterator_init(&element_it); 454 while (mesh_element_iterator_has_next(&element_it)){ 455 mesh_element_t * element = mesh_element_iterator_next(&element_it); 456 mesh_model_iterator_t model_it; 457 mesh_model_iterator_init(&model_it, element); 458 while (mesh_model_iterator_has_next(&model_it)){ 459 mesh_model_t * model = mesh_model_iterator_next(&model_it); 460 mesh_model_delete_subscriptions(model); 461 } 462 } 463 } 464 465 // Model Publication 466 467 static uint32_t mesh_model_publication_tag_for_index(uint16_t internal_model_id){ 468 return ((uint32_t) 'M' << 24) | ((uint32_t) 'P' << 16) | ((uint32_t) internal_model_id); 469 } 470 471 static void mesh_model_load_publication(mesh_model_t * mesh_model){ 472 if (mesh_model->publication_model == NULL) return; 473 474 uint32_t tag = mesh_model_publication_tag_for_index(mesh_model->mid); 475 btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) mesh_model->publication_model, sizeof(mesh_publication_model_t)); 476 477 // increase ref counts for current virtual publicataion address 478 uint16_t src = mesh_model->publication_model->address; 479 if (mesh_network_address_virtual(src)){ 480 mesh_virtual_address_t * virtual_address = mesh_virtual_address_for_pseudo_dst(src); 481 if (virtual_address){ 482 mesh_virtual_address_increase_refcount(virtual_address); 483 } 484 } 485 486 mesh_model_publication_start(mesh_model); 487 } 488 489 void mesh_model_store_publication(mesh_model_t * mesh_model){ 490 if (mesh_model->publication_model == NULL) return; 491 uint32_t tag = mesh_model_publication_tag_for_index(mesh_model->mid); 492 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) mesh_model->publication_model, sizeof(mesh_publication_model_t)); 493 } 494 495 static void mesh_model_delete_publication(mesh_model_t * mesh_model){ 496 if (mesh_model->publication_model == NULL) return; 497 uint32_t tag = mesh_model_publication_tag_for_index(mesh_model->mid); 498 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 499 } 500 501 void mesh_load_publications(void){ 502 printf("Load Model Publications\n"); 503 // iterate over elements and models 504 mesh_element_iterator_t element_it; 505 mesh_element_iterator_init(&element_it); 506 while (mesh_element_iterator_has_next(&element_it)){ 507 mesh_element_t * element = mesh_element_iterator_next(&element_it); 508 mesh_model_iterator_t model_it; 509 mesh_model_iterator_init(&model_it, element); 510 while (mesh_model_iterator_has_next(&model_it)){ 511 mesh_model_t * model = mesh_model_iterator_next(&model_it); 512 mesh_model_load_publication(model); 513 } 514 } 515 } 516 517 void mesh_delete_publications(void){ 518 printf("Delete Model Publications\n"); 519 // iterate over elements and models 520 mesh_element_iterator_t element_it; 521 mesh_element_iterator_init(&element_it); 522 while (mesh_element_iterator_has_next(&element_it)){ 523 mesh_element_t * element = mesh_element_iterator_next(&element_it); 524 mesh_model_iterator_t model_it; 525 mesh_model_iterator_init(&model_it, element); 526 while (mesh_model_iterator_has_next(&model_it)){ 527 mesh_model_t * model = mesh_model_iterator_next(&model_it); 528 mesh_model_delete_publication(model); 529 } 530 } 531 } 532 533 // Mesh Network Keys 534 static uint32_t mesh_network_key_tag_for_internal_index(uint16_t internal_index){ 535 return ((uint32_t) 'M' << 24) | ((uint32_t) 'N' << 16) | ((uint32_t) internal_index); 536 } 537 538 void mesh_store_network_key(mesh_network_key_t * network_key){ 539 mesh_persistent_net_key_t data; 540 printf("Store NetKey: internal index 0x%x, NetKey Index 0x%06x, NID %02x: ", network_key->internal_index, network_key->netkey_index, network_key->nid); 541 printf_hexdump(network_key->net_key, 16); 542 uint32_t tag = mesh_network_key_tag_for_internal_index(network_key->internal_index); 543 data.netkey_index = network_key->netkey_index; 544 memcpy(data.net_key, network_key->net_key, 16); 545 memcpy(data.identity_key, network_key->identity_key, 16); 546 memcpy(data.beacon_key, network_key->beacon_key, 16); 547 memcpy(data.network_id, network_key->network_id, 8); 548 data.nid = network_key->nid; 549 data.version = network_key->version; 550 memcpy(data.encryption_key, network_key->encryption_key, 16); 551 memcpy(data.privacy_key, network_key->privacy_key, 16); 552 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(mesh_persistent_net_key_t)); 553 } 554 555 void mesh_delete_network_key(uint16_t internal_index){ 556 uint32_t tag = mesh_network_key_tag_for_internal_index(internal_index); 557 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 558 } 559 560 561 void mesh_load_network_keys(void){ 562 printf("Load Network Keys\n"); 563 uint16_t internal_index; 564 for (internal_index = 0; internal_index < MAX_NR_MESH_NETWORK_KEYS; internal_index++){ 565 mesh_persistent_net_key_t data; 566 uint32_t tag = mesh_network_key_tag_for_internal_index(internal_index); 567 int netkey_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 568 if (netkey_len != sizeof(mesh_persistent_net_key_t)) continue; 569 570 mesh_network_key_t * network_key = btstack_memory_mesh_network_key_get(); 571 if (network_key == NULL) return; 572 573 network_key->internal_index = internal_index; 574 network_key->netkey_index = data.netkey_index; 575 memcpy(network_key->net_key, data.net_key, 16); 576 memcpy(network_key->identity_key, data.identity_key, 16); 577 memcpy(network_key->beacon_key, data.beacon_key, 16); 578 memcpy(network_key->network_id, data.network_id, 8); 579 network_key->nid = data.nid; 580 network_key->version = data.version; 581 memcpy(network_key->encryption_key, data.encryption_key, 16); 582 memcpy(network_key->privacy_key, data.privacy_key, 16); 583 584 #ifdef ENABLE_GATT_BEARER 585 // setup advertisement with network id 586 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); 587 #endif 588 589 mesh_network_key_add(network_key); 590 591 mesh_subnet_setup_for_netkey_index(network_key->netkey_index); 592 593 printf("- internal index 0x%x, NetKey Index 0x%06x, NID %02x: ", network_key->internal_index, network_key->netkey_index, network_key->nid); 594 printf_hexdump(network_key->net_key, 16); 595 } 596 } 597 598 void mesh_delete_network_keys(void){ 599 printf("Delete Network Keys\n"); 600 601 uint16_t internal_index; 602 for (internal_index = 0; internal_index < MAX_NR_MESH_NETWORK_KEYS; internal_index++){ 603 mesh_delete_network_key(internal_index); 604 } 605 } 606 607 // Mesh App Keys 608 609 static uint32_t mesh_transport_key_tag_for_internal_index(uint16_t internal_index){ 610 return ((uint32_t) 'M' << 24) | ((uint32_t) 'A' << 16) | ((uint32_t) internal_index); 611 } 612 613 void mesh_store_app_key(mesh_transport_key_t * app_key){ 614 mesh_persistent_app_key_t data; 615 printf("Store AppKey: internal index 0x%x, AppKey Index 0x%06x, AID %02x: ", app_key->internal_index, app_key->appkey_index, app_key->aid); 616 printf_hexdump(app_key->key, 16); 617 uint32_t tag = mesh_transport_key_tag_for_internal_index(app_key->internal_index); 618 data.netkey_index = app_key->netkey_index; 619 data.appkey_index = app_key->appkey_index; 620 data.aid = app_key->aid; 621 data.version = app_key->version; 622 memcpy(data.key, app_key->key, 16); 623 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 624 } 625 626 void mesh_delete_app_key(uint16_t internal_index){ 627 uint32_t tag = mesh_transport_key_tag_for_internal_index(internal_index); 628 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 629 } 630 631 void mesh_load_app_keys(void){ 632 printf("Load App Keys\n"); 633 uint16_t internal_index; 634 for (internal_index = 0; internal_index < MAX_NR_MESH_TRANSPORT_KEYS; internal_index++){ 635 mesh_persistent_app_key_t data; 636 uint32_t tag = mesh_transport_key_tag_for_internal_index(internal_index); 637 int app_key_len = btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &data, sizeof(data)); 638 if (app_key_len == 0) continue; 639 640 mesh_transport_key_t * key = btstack_memory_mesh_transport_key_get(); 641 if (key == NULL) return; 642 643 key->internal_index = internal_index; 644 key->appkey_index = data.appkey_index; 645 key->netkey_index = data.netkey_index; 646 key->aid = data.aid; 647 key->akf = 1; 648 key->version = data.version; 649 memcpy(key->key, data.key, 16); 650 mesh_transport_key_add(key); 651 printf("- internal index 0x%x, AppKey Index 0x%06x, AID %02x: ", key->internal_index, key->appkey_index, key->aid); 652 printf_hexdump(key->key, 16); 653 } 654 } 655 656 void mesh_delete_app_keys(void){ 657 printf("Delete App Keys\n"); 658 659 uint16_t internal_index; 660 for (internal_index = 0; internal_index < MAX_NR_MESH_TRANSPORT_KEYS; internal_index++){ 661 mesh_delete_app_key(internal_index); 662 } 663 } 664 665 666 // Model to Appkey List 667 668 static uint32_t mesh_model_tag_for_index(uint16_t internal_model_id){ 669 return ((uint32_t) 'M' << 24) | ((uint32_t) 'B' << 16) | ((uint32_t) internal_model_id); 670 } 671 672 static void mesh_load_appkey_list(mesh_model_t * model){ 673 uint32_t tag = mesh_model_tag_for_index(model->mid); 674 btstack_tlv_singleton_impl->get_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &model->appkey_indices, sizeof(model->appkey_indices)); 675 } 676 677 static void mesh_store_appkey_list(mesh_model_t * model){ 678 uint32_t tag = mesh_model_tag_for_index(model->mid); 679 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, tag, (uint8_t *) &model->appkey_indices, sizeof(model->appkey_indices)); 680 } 681 682 static void mesh_delete_appkey_list(mesh_model_t * model){ 683 uint32_t tag = mesh_model_tag_for_index(model->mid); 684 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, tag); 685 } 686 687 void mesh_load_appkey_lists(void){ 688 printf("Load Appkey Lists\n"); 689 // iterate over elements and models 690 mesh_element_iterator_t element_it; 691 mesh_element_iterator_init(&element_it); 692 while (mesh_element_iterator_has_next(&element_it)){ 693 mesh_element_t * element = mesh_element_iterator_next(&element_it); 694 mesh_model_iterator_t model_it; 695 mesh_model_iterator_init(&model_it, element); 696 while (mesh_model_iterator_has_next(&model_it)){ 697 mesh_model_t * model = mesh_model_iterator_next(&model_it); 698 mesh_load_appkey_list(model); 699 } 700 } 701 } 702 703 void mesh_delete_appkey_lists(void){ 704 printf("Delete Appkey Lists\n"); 705 // iterate over elements and models 706 mesh_element_iterator_t element_it; 707 mesh_element_iterator_init(&element_it); 708 while (mesh_element_iterator_has_next(&element_it)){ 709 mesh_element_t * element = mesh_element_iterator_next(&element_it); 710 mesh_model_iterator_t model_it; 711 mesh_model_iterator_init(&model_it, element); 712 while (mesh_model_iterator_has_next(&model_it)){ 713 mesh_model_t * model = mesh_model_iterator_next(&model_it); 714 mesh_delete_appkey_list(model); 715 } 716 } 717 } 718 719 uint8_t mesh_model_bind_appkey(mesh_model_t * mesh_model, uint16_t appkey_index){ 720 uint16_t i; 721 for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){ 722 if (mesh_model->appkey_indices[i] == appkey_index) return MESH_FOUNDATION_STATUS_SUCCESS; 723 } 724 for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){ 725 if (mesh_model->appkey_indices[i] == MESH_APPKEY_INVALID) { 726 mesh_model->appkey_indices[i] = appkey_index; 727 mesh_store_appkey_list(mesh_model); 728 return MESH_FOUNDATION_STATUS_SUCCESS; 729 } 730 } 731 return MESH_FOUNDATION_STATUS_INSUFFICIENT_RESOURCES; 732 } 733 734 void mesh_model_unbind_appkey(mesh_model_t * mesh_model, uint16_t appkey_index){ 735 uint16_t i; 736 for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){ 737 if (mesh_model->appkey_indices[i] == appkey_index) { 738 mesh_model->appkey_indices[i] = MESH_APPKEY_INVALID; 739 mesh_store_appkey_list(mesh_model); 740 } 741 } 742 } 743 744 int mesh_model_contains_appkey(mesh_model_t * mesh_model, uint16_t appkey_index){ 745 uint16_t i; 746 for (i=0;i<MAX_NR_MESH_APPKEYS_PER_MODEL;i++){ 747 if (mesh_model->appkey_indices[i] == appkey_index) return 1; 748 } 749 return 0; 750 } 751 752 void mesh_access_netkey_finalize(mesh_network_key_t * network_key){ 753 mesh_network_key_remove(network_key); 754 mesh_delete_network_key(network_key->internal_index); 755 btstack_memory_mesh_network_key_free(network_key); 756 } 757 758 void mesh_access_appkey_finalize(mesh_transport_key_t * transport_key){ 759 mesh_transport_key_remove(transport_key); 760 mesh_delete_app_key(transport_key->appkey_index); 761 btstack_memory_mesh_transport_key_free(transport_key); 762 } 763 764 void mesh_access_key_refresh_revoke_keys(mesh_subnet_t * subnet){ 765 // delete old netkey index 766 mesh_access_netkey_finalize(subnet->old_key); 767 subnet->old_key = subnet->new_key; 768 subnet->new_key = NULL; 769 770 // delete old appkeys, if any 771 mesh_transport_key_iterator_t it; 772 mesh_transport_key_iterator_init(&it, subnet->netkey_index); 773 while (mesh_transport_key_iterator_has_more(&it)){ 774 mesh_transport_key_t * transport_key = mesh_transport_key_iterator_get_next(&it); 775 if (transport_key->old_key == 0) continue; 776 mesh_access_appkey_finalize(transport_key); 777 } 778 } 779 780 // Mesh IV Index 781 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'); 782 783 static int mesh_load_iv_index_and_sequence_number(uint32_t * iv_index, uint32_t * sequence_number){ 784 iv_index_and_sequence_number_t data; 785 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)); 786 if (len == sizeof(iv_index_and_sequence_number_t)){ 787 *iv_index = data.iv_index; 788 *sequence_number = data.seq_number; 789 return 1; 790 } 791 return 0; 792 } 793 794 static void mesh_store_iv_index_and_sequence_number(uint32_t iv_index, uint32_t sequence_number){ 795 iv_index_and_sequence_number_t data; 796 data.iv_index = iv_index; 797 data.seq_number = sequence_number; 798 btstack_tlv_singleton_impl->store_tag(btstack_tlv_singleton_context, mesh_tag_for_iv_index_and_seq_number, (uint8_t *) &data, sizeof(data)); 799 800 sequence_number_last_stored = data.seq_number; 801 sequence_number_storage_trigger = sequence_number_last_stored + MESH_SEQUENCE_NUMBER_STORAGE_INTERVAL; 802 } 803 804 static void mesh_persist_iv_index_and_sequence_number(void){ 805 mesh_store_iv_index_and_sequence_number(mesh_get_iv_index(), mesh_sequence_number_peek()); 806 } 807 808 809 // higher layer - only store if sequence number is higher than trigger 810 static void mesh_persist_iv_index_and_sequence_number_if_needed(void){ 811 if (mesh_sequence_number_peek() >= sequence_number_storage_trigger){ 812 mesh_persist_iv_index_and_sequence_number(); 813 } 814 } 815 816 static void mesh_access_secure_network_beacon_handler(uint8_t packet_type, uint16_t channel, uint8_t * packet, uint16_t size){ 817 UNUSED(channel); 818 UNUSED(size); 819 820 if (packet_type != MESH_BEACON_PACKET) return; 821 822 // lookup subnet and netkey by network id 823 uint8_t * beacon_network_id = &packet[2]; 824 mesh_subnet_iterator_t it; 825 mesh_subnet_iterator_init(&it); 826 mesh_subnet_t * subnet = NULL; 827 uint8_t new_key = 0; 828 while (mesh_subnet_iterator_has_more(&it)){ 829 mesh_subnet_t * item = mesh_subnet_iterator_get_next(&it); 830 if (memcmp(item->old_key->network_id, beacon_network_id, 8) == 0 ) { 831 subnet = item; 832 } 833 if (item->new_key != NULL && memcmp(item->new_key->network_id, beacon_network_id, 8) == 0 ) { 834 subnet = item; 835 new_key = 1; 836 } 837 break; 838 } 839 if (subnet == NULL) return; 840 841 uint8_t flags = packet[1]; 842 843 // Key refresh via secure network beacons that are authenticated with new netkey 844 if (new_key){ 845 // either first or second phase (in phase 0, new key is not set) 846 int key_refresh_flag = flags & 1; 847 if (key_refresh_flag){ 848 // transition to phase 3 from either phase 1 or 2 849 switch (subnet->key_refresh){ 850 case MESH_KEY_REFRESH_FIRST_PHASE: 851 case MESH_KEY_REFRESH_SECOND_PHASE: 852 mesh_access_key_refresh_revoke_keys(subnet); 853 subnet->key_refresh = MESH_KEY_REFRESH_NOT_ACTIVE; 854 break; 855 default: 856 break; 857 } 858 } else { 859 // transition to phase 2 from either phase 1 860 switch (subnet->key_refresh){ 861 case MESH_KEY_REFRESH_FIRST_PHASE: 862 // -- update state 863 subnet->key_refresh = MESH_KEY_REFRESH_SECOND_PHASE; 864 break; 865 default: 866 break; 867 } 868 } 869 } 870 871 // IV Update 872 873 int beacon_iv_update_active = flags & 2; 874 int local_iv_update_active = mesh_iv_update_active(); 875 uint32_t beacon_iv_index = big_endian_read_32(packet, 10); 876 uint32_t local_iv_index = mesh_get_iv_index(); 877 878 int32_t iv_index_delta = (int32_t)(beacon_iv_index - local_iv_index); 879 880 // "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 881 // the last known IV Index + 42, the Secure Network beacon shall be ignored." 882 if (iv_index_delta < 0 || iv_index_delta > 42){ 883 return; 884 } 885 886 // "If a node in Normal Operation receives a Secure Network beacon with an IV index equal to the last known IV index+1 and 887 // 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 888 // an IV Index Recovery procedure (Section 3.10.6), or it may ignore the Secure Network beacon. The node makes the choice depending 889 // 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."" 890 if (local_iv_update_active == 0 && beacon_iv_update_active == 0 && iv_index_delta == 1){ 891 // instant iv update 892 mesh_set_iv_index( beacon_iv_index ); 893 // store updated iv index 894 mesh_persist_iv_index_and_sequence_number(); 895 return; 896 } 897 898 // "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 899 // the last known IV Index of the primary subnet, the Secure Network beacon shall be ignored." 900 int member_of_primary_subnet = mesh_subnet_get_by_netkey_index(0) != NULL; 901 int beacon_on_secondary_subnet = subnet->netkey_index != 0; 902 if (member_of_primary_subnet && beacon_on_secondary_subnet && iv_index_delta > 0){ 903 return; 904 } 905 906 // "If a node in Normal Operation receives a Secure Network beacon with an IV index greater than the last known IV Index + 1..." 907 // "... it may initiate an IV Index Recovery procedure, see Section 3.10.6." 908 if (local_iv_update_active == 0 && iv_index_delta > 1){ 909 // "Upon receiving and successfully authenticating a Secure Network beacon for a primary subnet... " 910 int beacon_on_primary_subnet = subnet->netkey_index == 0; 911 if (!beacon_on_primary_subnet) return; 912 // "... whose IV Index is 1 or more higher than the current known IV Index, the node shall " 913 // " set its current IV Index and its current IV Update procedure state from the values in this Secure Network beacon." 914 mesh_iv_index_recovered(beacon_iv_update_active, beacon_iv_index); 915 // store updated iv index if in normal mode 916 if (beacon_iv_update_active == 0){ 917 mesh_persist_iv_index_and_sequence_number(); 918 } 919 return; 920 } 921 922 if (local_iv_update_active == 0){ 923 if (beacon_iv_update_active){ 924 mesh_trigger_iv_update(); 925 } 926 } else { 927 if (beacon_iv_update_active == 0){ 928 // " At the point of transition, the node shall reset the sequence number to 0x000000." 929 mesh_sequence_number_set(0); 930 mesh_iv_update_completed(); 931 // store updated iv index 932 mesh_persist_iv_index_and_sequence_number(); 933 } 934 } 935 } 936 937 static const uint32_t mesh_tag_for_prov_data = ((uint32_t) 'P' << 24) | ((uint32_t) 'R' << 16) | ((uint32_t) 'O' << 8) | (uint32_t)'V'; 938 939 void mesh_node_reset(void){ 940 // PROV 941 btstack_tlv_singleton_impl->delete_tag(btstack_tlv_singleton_context, mesh_tag_for_prov_data); 942 // everything else 943 mesh_delete_network_keys(); 944 mesh_delete_app_keys(); 945 mesh_delete_appkey_lists(); 946 mesh_delete_virtual_addresses(); 947 mesh_delete_subscriptions(); 948 mesh_delete_publications(); 949 } 950 951 typedef struct { 952 uint16_t unicast_address; 953 uint8_t flags; 954 uint8_t device_key[16]; 955 956 } mesh_persistent_provisioning_data_t; 957 958 static void mesh_node_store_provisioning_data(mesh_provisioning_data_t * provisioning_data){ 959 960 // fill persistent prov data 961 mesh_persistent_provisioning_data_t persistent_provisioning_data; 962 963 persistent_provisioning_data.unicast_address = provisioning_data->unicast_address; 964 persistent_provisioning_data.flags = provisioning_data->flags; 965 memcpy(persistent_provisioning_data.device_key, provisioning_data->device_key, 16); 966 967 // store in tlv 968 btstack_tlv_get_instance(&btstack_tlv_singleton_impl, &btstack_tlv_singleton_context); 969 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)); 970 971 // store IV Index and sequence number 972 mesh_store_iv_index_and_sequence_number(provisioning_data->iv_index, 0); 973 974 // store primary network key 975 mesh_store_network_key(provisioning_data->network_key); 976 } 977 978 static void mesh_access_setup_unprovisioned_device(const uint8_t * device_uuid){ 979 #ifdef ENABLE_MESH_PB_ADV 980 // PB-ADV 981 beacon_unprovisioned_device_start(device_uuid, 0); 982 #else 983 UNUSED(device_uuid);; 984 #endif 985 #ifdef ENABLE_MESH_PB_GATT 986 mesh_proxy_start_advertising_unprovisioned_device(); 987 #endif 988 } 989 990 static void mesh_access_setup_without_provisiong_data_random(void * arg){ 991 UNUSED(arg); 992 // set random value 993 mesh_node_set_device_uuid(random_device_uuid); 994 mesh_access_setup_unprovisioned_device(random_device_uuid); 995 } 996 997 static void mesh_access_setup_with_provisiong_data_random(void * arg){ 998 UNUSED(arg); 999 // set random value 1000 mesh_node_set_device_uuid(random_device_uuid); 1001 } 1002 1003 static int mesh_node_startup_from_tlv(void){ 1004 1005 mesh_persistent_provisioning_data_t persistent_provisioning_data; 1006 btstack_tlv_get_instance(&btstack_tlv_singleton_impl, &btstack_tlv_singleton_context); 1007 1008 // load provisioning data 1009 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)); 1010 printf("Provisioning data available: %u\n", prov_len ? 1 : 0); 1011 int prov_data_valid = prov_len == sizeof(mesh_persistent_provisioning_data_t); 1012 if (prov_data_valid){ 1013 1014 // copy into mesh_provisioning_data 1015 mesh_provisioning_data_t provisioning_data; 1016 memcpy(provisioning_data.device_key, persistent_provisioning_data.device_key, 16); 1017 provisioning_data.unicast_address = persistent_provisioning_data.unicast_address; 1018 provisioning_data.flags = persistent_provisioning_data.flags; 1019 provisioning_data.network_key = NULL; 1020 1021 printf("Flags %x, unicast_address %04x\n", persistent_provisioning_data.flags, provisioning_data.unicast_address); 1022 1023 // load iv index and sequence number 1024 uint32_t iv_index; 1025 uint32_t sequence_number; 1026 int ok = mesh_load_iv_index_and_sequence_number(&iv_index, &sequence_number); 1027 if (ok){ 1028 mesh_sequence_number_set(sequence_number); 1029 provisioning_data.iv_index = iv_index; 1030 } 1031 1032 // load network keys 1033 mesh_load_network_keys(); 1034 // load app keys 1035 mesh_load_app_keys(); 1036 // load model to appkey bindings 1037 mesh_load_appkey_lists(); 1038 // load virtual addresses 1039 mesh_load_virtual_addresses(); 1040 // load model subscriptions 1041 mesh_load_subscriptions(); 1042 // load model publications 1043 mesh_load_publications(); 1044 // load foundation state 1045 mesh_foundation_state_load(); 1046 1047 mesh_access_setup_from_provisioning_data(&provisioning_data); 1048 1049 // bump sequence number to account for interval updates 1050 sequence_number = mesh_sequence_number_peek() + MESH_SEQUENCE_NUMBER_STORAGE_INTERVAL; 1051 iv_index = mesh_get_iv_index(); 1052 mesh_store_iv_index_and_sequence_number(iv_index, sequence_number); 1053 mesh_sequence_number_set(sequence_number); 1054 log_info("IV Index: %08x, Sequence Number %08x", (int) iv_index, (int) sequence_number); 1055 1056 printf("IV Index: %08x, Sequence Number %08x\n", (int) iv_index, (int) sequence_number); 1057 1058 #if defined(ENABLE_MESH_ADV_BEARER) || defined(ENABLE_MESH_PB_ADV) 1059 // start sending Secure Network Beacon 1060 mesh_subnet_t * subnet = mesh_subnet_get_by_netkey_index(0); 1061 if (subnet){ 1062 beacon_secure_network_start(subnet); 1063 } 1064 #endif 1065 // create random uuid if not already set 1066 if (mesh_node_get_device_uuid() == NULL){ 1067 btstack_crypto_random_generate(&mesh_access_crypto_random, random_device_uuid, 16, &mesh_access_setup_with_provisiong_data_random, NULL); 1068 } 1069 1070 } else { 1071 1072 const uint8_t * device_uuid = mesh_node_get_device_uuid(); 1073 if (device_uuid){ 1074 mesh_access_setup_unprovisioned_device(device_uuid); 1075 } else{ 1076 btstack_crypto_random_generate(&mesh_access_crypto_random, random_device_uuid, 16, &mesh_access_setup_without_provisiong_data_random, NULL); 1077 } 1078 1079 } 1080 1081 return prov_data_valid; 1082 } 1083 1084 1085 static void mesh_node_setup_default_models(void){ 1086 // configure Config Server 1087 mesh_configuration_server_model.model_identifier = mesh_model_get_model_identifier_bluetooth_sig(MESH_SIG_MODEL_ID_CONFIGURATION_SERVER); 1088 mesh_configuration_server_model.model_data = &mesh_configuration_server_model_context; 1089 mesh_configuration_server_model.operations = mesh_configuration_server_get_operations(); 1090 mesh_element_add_model(mesh_node_get_primary_element(), &mesh_configuration_server_model); 1091 1092 // Config Health Server 1093 mesh_health_server_model.model_identifier = mesh_model_get_model_identifier_bluetooth_sig(MESH_SIG_MODEL_ID_HEALTH_SERVER); 1094 mesh_element_add_model(mesh_node_get_primary_element(), &mesh_health_server_model); 1095 } 1096 1097 void mesh_init(void){ 1098 1099 // register for HCI events 1100 hci_event_callback_registration.callback = &hci_packet_handler; 1101 hci_add_event_handler(&hci_event_callback_registration); 1102 1103 // ADV Bearer also used for GATT Proxy Advertisements and PB-GATT 1104 adv_bearer_init(); 1105 1106 #ifdef ENABLE_MESH_GATT_BEARER 1107 // Setup GATT bearer 1108 gatt_bearer_init(); 1109 #endif 1110 1111 #ifdef ENABLE_MESH_ADV_BEARER 1112 // Setup Unprovisioned Device Beacon 1113 beacon_init(); 1114 #endif 1115 1116 provisioning_device_init(); 1117 provisioning_device_register_packet_handler(&mesh_provisioning_message_handler); 1118 1119 // Node Configuration 1120 mesh_node_init(); 1121 1122 // Network layer 1123 mesh_network_init(); 1124 1125 // Transport layers (lower + upper)) 1126 mesh_lower_transport_init(); 1127 mesh_upper_transport_init(); 1128 1129 // Access layer 1130 mesh_access_init(); 1131 1132 // Add mandatory models: Config Server and Health Server 1133 mesh_node_setup_default_models(); 1134 1135 // register for secure network beacons 1136 beacon_register_for_secure_network_beacons(&mesh_access_secure_network_beacon_handler); 1137 1138 // register for seq number updates 1139 mesh_sequence_number_set_update_callback(&mesh_persist_iv_index_and_sequence_number_if_needed); 1140 } 1141 1142 /** 1143 * Register for Mesh Provisioning Device events 1144 * @param packet_handler 1145 */ 1146 void mesh_register_provisioning_device_packet_handler(btstack_packet_handler_t packet_handler){ 1147 provisioning_device_packet_handler = packet_handler; 1148 } 1149