OVMS3-idf/components/bt/esp_ble_mesh/mesh_core/provisioner_main.c
Island 4ac84bca8b Merge branch 'bugfix/ble_mesh_compile_error_o2_v3.3' into 'release/v3.3'
ble_mesh: Fix compile error when -O2 (performance) is chosen (v3.3)

See merge request espressif/esp-idf!8618
2020-05-06 18:15:28 +08:00

1687 lines
44 KiB
C

// Copyright 2017-2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string.h>
#include <errno.h>
#include "mesh.h"
#include "crypto.h"
#include "adv.h"
#include "access.h"
#include "settings.h"
#include "friend.h"
#include "transport.h"
#include "mesh_common.h"
#include "proxy_client.h"
#include "provisioner_prov.h"
#include "provisioner_main.h"
#if CONFIG_BLE_MESH_PROVISIONER
static struct bt_mesh_node *mesh_nodes[CONFIG_BLE_MESH_MAX_PROV_NODES];
static bt_mesh_mutex_t provisioner_lock;
static u16_t node_count;
static int provisioner_remove_node(u16_t index, bool erase);
static void bt_mesh_provisioner_mutex_new(void)
{
if (!provisioner_lock.mutex) {
bt_mesh_mutex_create(&provisioner_lock);
}
}
static void bt_mesh_provisioner_mutex_free(void)
{
bt_mesh_mutex_free(&provisioner_lock);
}
static void bt_mesh_provisioner_lock(void)
{
bt_mesh_mutex_lock(&provisioner_lock);
}
static void bt_mesh_provisioner_unlock(void)
{
bt_mesh_mutex_unlock(&provisioner_lock);
}
int bt_mesh_provisioner_init(void)
{
bt_mesh_provisioner_mutex_new();
return 0;
}
/**
* When a Provisioner tries to create a network, it will check the
* status of the restored network keys firstly, and try to create
* one if they are not existed.
*/
int bt_mesh_provisioner_net_create(void)
{
const struct bt_mesh_prov *prov = NULL;
struct bt_mesh_subnet *sub = NULL;
u8_t p_key[16] = {0};
BT_DBG("%s", __func__);
prov = bt_mesh_provisioner_get_prov_info();
if (!prov) {
BT_ERR("%s, NULL provisioning context", __func__);
return -EINVAL;
}
/* If the device only acts as a Provisioner, need to initialize
* each element's address.
*/
bt_mesh_comp_provision(bt_mesh_provisioner_get_primary_elem_addr());
if (bt_mesh.p_sub[0]) {
/* Provisioner is already enabled (enable -> disable -> enable),
* or Provisioner is restored from flash.
*/
BT_INFO("Provisioner already created network");
sub = bt_mesh.p_sub[0];
goto done;
}
/* Generate the primary netkey */
if (bt_mesh_rand(p_key, 16)) {
BT_ERR("%s, Failed to generate Primary NetKey", __func__);
return -EIO;
}
sub = bt_mesh_calloc(sizeof(struct bt_mesh_subnet));
if (!sub) {
BT_ERR("%s, Failed to allocate memory", __func__);
return -ENOMEM;
}
sub->kr_flag = BLE_MESH_KEY_REFRESH(prov->flags);
if (sub->kr_flag) {
if (bt_mesh_net_keys_create(&sub->keys[1], p_key)) {
BT_ERR("%s, Failed to generate net-related keys", __func__);
bt_mesh_free(sub);
return -EIO;
}
sub->kr_phase = BLE_MESH_KR_PHASE_2;
} else {
/* Currently provisioner only use keys[0] */
if (bt_mesh_net_keys_create(&sub->keys[0], p_key)) {
BT_ERR("%s, Failed to create net-related keys", __func__);
bt_mesh_free(sub);
return -EIO;
}
sub->kr_phase = BLE_MESH_KR_NORMAL;
}
sub->net_idx = BLE_MESH_KEY_PRIMARY;
sub->node_id = BLE_MESH_NODE_IDENTITY_NOT_SUPPORTED;
bt_mesh.p_sub[0] = sub;
/* Dynamically added appkey & netkey will use these key_idx */
bt_mesh.p_app_idx_next = 0x0000;
bt_mesh.p_net_idx_next = 0x0001;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_p_net_idx();
bt_mesh_store_p_app_idx();
bt_mesh_store_p_subnet(bt_mesh.p_sub[0]);
}
bt_mesh.iv_index = prov->iv_index;
bt_mesh_atomic_set_bit_to(bt_mesh.flags, BLE_MESH_IVU_IN_PROGRESS,
BLE_MESH_IV_UPDATE(prov->flags));
/* Set minimum required hours, since the 96-hour minimum requirement
* doesn't apply straight after provisioning (since we can't know how
* long has actually passed since the network changed its state).
* This operation is the same with node initialization.
*/
bt_mesh.ivu_duration = BLE_MESH_IVU_MIN_HOURS;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_iv(true);
}
done:
BT_INFO("net_idx 0x%03x, netkey %s, nid 0x%02x",
sub->net_idx, bt_hex(sub->keys[0].net, 16), sub->keys[0].nid);
return 0;
}
int bt_mesh_provisioner_deinit(bool erase)
{
int i;
for (i = 0; i < CONFIG_BLE_MESH_PROVISIONER_SUBNET_COUNT; i++) {
if (bt_mesh.p_sub[i]) {
if (erase && IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_clear_p_subnet(bt_mesh.p_sub[i]);
}
bt_mesh_free(bt_mesh.p_sub[i]);
bt_mesh.p_sub[i] = NULL;
}
}
for (i = 0; i < CONFIG_BLE_MESH_PROVISIONER_APP_KEY_COUNT; i++) {
if (bt_mesh.p_app_keys[i]) {
if (erase && IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_clear_p_app_key(bt_mesh.p_app_keys[i]);
}
bt_mesh_free(bt_mesh.p_app_keys[i]);
bt_mesh.p_app_keys[i] = NULL;
}
}
bt_mesh.p_net_idx_next = 0U;
bt_mesh.p_app_idx_next = 0U;
if (erase && IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_clear_p_net_idx();
bt_mesh_clear_p_app_idx();
}
for (i = 0; i < CONFIG_BLE_MESH_MAX_PROV_NODES; i++) {
provisioner_remove_node(i, erase);
}
node_count = 0U;
bt_mesh_provisioner_mutex_free();
return 0;
}
bool bt_mesh_provisioner_check_is_addr_dup(u16_t addr, u8_t elem_num, bool comp_with_own)
{
const struct bt_mesh_comp *comp = NULL;
struct bt_mesh_node *node = NULL;
u16_t primary_addr = BLE_MESH_ADDR_UNASSIGNED;
u16_t comp_addr = BLE_MESH_ADDR_UNASSIGNED;
int i;
if (comp_with_own) {
comp = bt_mesh_comp_get();
if (!comp) {
BT_ERR("NULL composition data");
return true;
}
primary_addr = bt_mesh_provisioner_get_primary_elem_addr();
if (!BLE_MESH_ADDR_IS_UNICAST(primary_addr)) {
BT_ERR("%s, Not a unicast address 0x%04x", __func__, primary_addr);
return true;
}
}
for (comp_addr = addr; comp_addr < addr + elem_num; comp_addr++) {
for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
node = mesh_nodes[i];
if (node && comp_addr >= node->unicast_addr &&
comp_addr < node->unicast_addr + node->element_num) {
BT_ERR("Duplicate with node address 0x%04x", comp_addr);
return true;
}
if (comp_with_own && comp_addr >= primary_addr &&
comp_addr < primary_addr + comp->elem_count) {
BT_ERR("Duplicate with Provisioner address 0x%04x", comp_addr);
return true;
}
}
}
return false;
}
static void provisioner_node_count_inc(void)
{
node_count++;
}
static void provisioner_node_count_dec(void)
{
if (node_count) {
node_count--;
}
}
u16_t bt_mesh_provisioner_get_node_count(void)
{
return node_count;
}
static int provisioner_store_node(struct bt_mesh_node *node, bool store, u16_t *index)
{
int i;
bt_mesh_provisioner_lock();
/* Check if the node already exists */
for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
if (mesh_nodes[i] && !memcmp(mesh_nodes[i]->dev_uuid, node->dev_uuid, 16)) {
BT_WARN("Node already exists, uuid %s", bt_hex(node->dev_uuid, 16));
bt_mesh_provisioner_unlock();
return -EEXIST;
}
}
for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
if (mesh_nodes[i] == NULL) {
mesh_nodes[i] = bt_mesh_calloc(sizeof(struct bt_mesh_node));
if (!mesh_nodes[i]) {
BT_ERR("%s, Failed to allocate memory", __func__);
bt_mesh_provisioner_unlock();
return -ENOMEM;
}
memcpy(mesh_nodes[i], node, sizeof(struct bt_mesh_node));
provisioner_node_count_inc();
if (index) {
*index = i;
}
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS) && store) {
bt_mesh_store_node_info(mesh_nodes[i]);
}
bt_mesh_provisioner_unlock();
return 0;
}
}
BT_ERR("%s, Node queue is full", __func__);
bt_mesh_provisioner_unlock();
return -ENOMEM;
}
int bt_mesh_provisioner_restore_node_info(struct bt_mesh_node *node)
{
if (!node) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
return provisioner_store_node(node, false, NULL);
}
int bt_mesh_provisioner_provision(const bt_mesh_addr_t *addr, const u8_t uuid[16], u16_t oob_info,
u16_t unicast_addr, u8_t element_num, u16_t net_idx, u8_t flags,
u32_t iv_index, const u8_t dev_key[16], u16_t *index)
{
struct bt_mesh_node node = {0};
BT_DBG("%s", __func__);
if (!addr || !uuid || !dev_key || !index) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
BT_INFO("unicast_addr 0x%04x, elem_num %d, net_idx 0x%04x",
unicast_addr, element_num, net_idx);
BT_INFO("dev_uuid %s", bt_hex(uuid, 16));
BT_INFO("dev_key %s", bt_hex(dev_key, 16));
memcpy(node.addr, addr->val, BLE_MESH_ADDR_LEN);
node.addr_type = addr->type;
memcpy(node.dev_uuid, uuid, 16);
node.oob_info = oob_info;
node.unicast_addr = unicast_addr;
node.element_num = element_num;
node.net_idx = net_idx;
node.flags = flags;
node.iv_index = iv_index;
memcpy(node.dev_key, dev_key, 16);
return provisioner_store_node(&node, true, index);
}
static int provisioner_remove_node(u16_t index, bool erase)
{
struct bt_mesh_node *node = NULL;
int i;
BT_DBG("%s, reset node %d", __func__, index);
bt_mesh_provisioner_lock();
if (mesh_nodes[index] == NULL) {
bt_mesh_provisioner_unlock();
return 0;
}
node = mesh_nodes[index];
/* Reset corresponding network cache when reset the node */
bt_mesh_msg_cache_clear(node->unicast_addr, node->element_num);
/* Reset corresponding transport info when removing the node */
for (i = 0; i < node->element_num; i++) {
bt_mesh_rx_reset_single(node->unicast_addr + i);
}
for (i = 0; i < node->element_num; i++) {
bt_mesh_tx_reset_single(node->unicast_addr + i);
}
if (IS_ENABLED(CONFIG_BLE_MESH_FRIEND)) {
bt_mesh_friend_remove_lpn(node->unicast_addr);
}
if (erase && IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_clear_node_info(node->unicast_addr);
}
if (mesh_nodes[index]->comp_data) {
bt_mesh_free(mesh_nodes[index]->comp_data);
}
bt_mesh_free(mesh_nodes[index]);
mesh_nodes[index] = NULL;
provisioner_node_count_dec();
bt_mesh_provisioner_unlock();
return 0;
}
static struct bt_mesh_node *provisioner_find_node_with_uuid(const u8_t uuid[16], u16_t *index)
{
int i;
BT_DBG("%s", __func__);
if (uuid == NULL) {
BT_ERR("%s, Invalid device uuid", __func__);
return NULL;
}
bt_mesh_provisioner_lock();
for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
if (mesh_nodes[i] && !memcmp(mesh_nodes[i]->dev_uuid, uuid, 16)) {
if (index) {
*index = i;
}
bt_mesh_provisioner_unlock();
return mesh_nodes[i];
}
}
bt_mesh_provisioner_unlock();
return NULL;
}
int bt_mesh_provisioner_remove_node(const u8_t uuid[16])
{
struct bt_mesh_node *node = NULL;
u16_t index = 0U;
int i;
if (uuid == NULL) {
for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
if (mesh_nodes[i]) {
provisioner_remove_node(i, true);
}
}
return 0;
}
node = provisioner_find_node_with_uuid(uuid, &index);
if (!node) {
BT_WARN("Node %s not exist", bt_hex(uuid, 16));
return -ENODEV;
}
provisioner_remove_node(index, true);
return 0;
}
static struct bt_mesh_node *provisioner_find_node_with_addr(u16_t addr, u16_t *index)
{
struct bt_mesh_node *node = NULL;
int i;
BT_DBG("%s", __func__);
if (!BLE_MESH_ADDR_IS_UNICAST(addr)) {
BT_ERR("%s, Not a unicast address 0x%04x", __func__, addr);
return NULL;
}
bt_mesh_provisioner_lock();
for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
node = mesh_nodes[i];
if (node && addr >= node->unicast_addr &&
addr < (node->unicast_addr + node->element_num)) {
if (index) {
*index = i;
}
bt_mesh_provisioner_unlock();
return node;
}
}
bt_mesh_provisioner_unlock();
return NULL;
}
int bt_mesh_provisioner_restore_node_name(u16_t addr, const char *name)
{
struct bt_mesh_node *node = NULL;
node = provisioner_find_node_with_addr(addr, NULL);
if (node == NULL) {
BT_ERR("%s, Node 0x%04x not exist", __func__, addr);
return -ENODEV;
}
strncpy(node->name, name, BLE_MESH_NODE_NAME_SIZE);
node->name[BLE_MESH_NODE_NAME_SIZE] = 0;
return 0;
}
int bt_mesh_provisioner_restore_node_comp_data(u16_t addr, const u8_t *data, u16_t length)
{
struct bt_mesh_node *node = NULL;
if (!data || length == 0U) {
BT_ERR("%s, Invalid comp data info", __func__);
return -EINVAL;
}
node = provisioner_find_node_with_addr(addr, NULL);
if (node == NULL) {
BT_ERR("%s, Node 0x%04x not exist", __func__, addr);
return -ENODEV;
}
node->comp_data = bt_mesh_calloc(length);
if (!node->comp_data) {
BT_ERR("%s, Failed to allocate memory", __func__);
return -ENOMEM;
}
node->comp_length = length;
memcpy(node->comp_data, data, length);
return 0;
}
struct bt_mesh_node *bt_mesh_provisioner_get_node_with_uuid(const u8_t uuid[16])
{
return provisioner_find_node_with_uuid(uuid, NULL);
}
struct bt_mesh_node *bt_mesh_provisioner_get_node_with_addr(u16_t unicast_addr)
{
return provisioner_find_node_with_addr(unicast_addr, NULL);
}
int bt_mesh_provisioner_delete_node_with_uuid(const u8_t uuid[16])
{
struct bt_mesh_node *node = NULL;
u16_t index = 0U;
node = provisioner_find_node_with_uuid(uuid, &index);
if (!node) {
BT_WARN("Node %s not exist", bt_hex(uuid, 16));
return -ENODEV;
}
provisioner_remove_node(index, true);
return 0;
}
int bt_mesh_provisioner_delete_node_with_node_addr(u16_t unicast_addr)
{
struct bt_mesh_node *node = NULL;
u16_t index = 0U;
node = provisioner_find_node_with_addr(unicast_addr, &index);
if (!node) {
BT_WARN("Node 0x%04x not exist", unicast_addr);
return -ENODEV;
}
provisioner_remove_node(index, true);
return 0;
}
int bt_mesh_provisioner_delete_node_with_dev_addr(const bt_mesh_addr_t *addr)
{
int i;
for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
if (mesh_nodes[i] && mesh_nodes[i]->addr_type == addr->type &&
!memcmp(mesh_nodes[i]->addr, addr->val, BLE_MESH_ADDR_LEN)) {
return provisioner_remove_node(i, true);
}
}
BT_WARN("Node not exist, device address %s", bt_hex(addr->val, BLE_MESH_ADDR_LEN));
return -ENODEV;
}
static int provisioner_check_node_index(u16_t index)
{
BT_DBG("%s", __func__);
if (index >= ARRAY_SIZE(mesh_nodes)) {
BT_ERR("%s, Too big node index %d", __func__, index);
return -EINVAL;
}
if (mesh_nodes[index] == NULL) {
BT_ERR("%s, Node %d is not found", __func__, index);
return -ENODEV;
}
return 0;
}
int bt_mesh_provisioner_set_node_name(u16_t index, const char *name)
{
size_t length = 0U, name_len = 0U;
int i;
BT_DBG("%s", __func__);
if (!name) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
if (provisioner_check_node_index(index)) {
BT_ERR("%s, Failed to check node index", __func__);
return -EINVAL;
}
BT_DBG("name len is %d, name is %s", strlen(name), name);
length = (strlen(name) <= BLE_MESH_NODE_NAME_SIZE) ? strlen(name) : BLE_MESH_NODE_NAME_SIZE;
for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
if (mesh_nodes[i]) {
name_len = strlen(mesh_nodes[i]->name);
if (length != name_len) {
continue;
}
if (!strncmp(mesh_nodes[i]->name, name, length)) {
BT_WARN("Node name %s already exists", name);
return -EEXIST;
}
}
}
memset(mesh_nodes[index]->name, 0, sizeof(mesh_nodes[index]->name));
strncpy(mesh_nodes[index]->name, name, length);
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_node_name(mesh_nodes[index]);
}
return 0;
}
const char *bt_mesh_provisioner_get_node_name(u16_t index)
{
BT_DBG("%s", __func__);
if (provisioner_check_node_index(index)) {
BT_ERR("%s, Failed to check node index", __func__);
return NULL;
}
return mesh_nodes[index]->name;
}
u16_t bt_mesh_provisioner_get_node_index(const char *name)
{
size_t length = 0U, name_len = 0U;
int i;
BT_DBG("%s", __func__);
if (!name) {
BT_ERR("%s, Invalid parameter", __func__);
return BLE_MESH_INVALID_NODE_INDEX;
}
length = (strlen(name) <= BLE_MESH_NODE_NAME_SIZE) ? strlen(name) : BLE_MESH_NODE_NAME_SIZE;
for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
if (mesh_nodes[i]) {
name_len = strlen(mesh_nodes[i]->name);
if (length != name_len) {
continue;
}
if (!strncmp(mesh_nodes[i]->name, name, length)) {
return (u16_t)i;
}
}
}
BT_ERR("%s, Node name %s not exist", __func__, name);
return BLE_MESH_INVALID_NODE_INDEX;
}
int bt_mesh_provisioner_store_node_comp_data(u16_t addr, const u8_t *data, u16_t length)
{
struct bt_mesh_node *node = NULL;
u16_t index = 0U;
if (!BLE_MESH_ADDR_IS_UNICAST(addr) || !data ||
(length % 2) || length <= 14) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
node = provisioner_find_node_with_addr(addr, &index);
if (node == NULL) {
BT_ERR("%s, Node 0x%04x not exist", __func__, addr);
return -ENODEV;
}
node->comp_data = bt_mesh_calloc(length);
if (node->comp_data == NULL) {
BT_ERR("%s, Failed to allocate memory", __func__);
return -ENOMEM;
}
BT_DBG("%s, index %d", __func__, index);
memcpy(node->comp_data, data, length);
node->comp_length = length;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_node_comp_data(node);
}
return 0;
}
/* Provisioner DevKey, NetKey and AppKey related functions */
const u8_t *bt_mesh_provisioner_net_key_get(u16_t net_idx)
{
struct bt_mesh_subnet *sub = NULL;
int i;
BT_DBG("%s", __func__);
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_sub); i++) {
sub = bt_mesh.p_sub[i];
if (sub && sub->net_idx == net_idx) {
if (sub->kr_flag) {
return sub->keys[1].net;
} else {
return sub->keys[0].net;
}
}
}
return NULL;
}
struct bt_mesh_subnet *bt_mesh_provisioner_subnet_get(u16_t net_idx)
{
struct bt_mesh_subnet *sub = NULL;
int i;
BT_DBG("%s", __func__);
if (net_idx == BLE_MESH_KEY_ANY) {
return bt_mesh.p_sub[0];
}
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_sub); i++) {
sub = bt_mesh.p_sub[i];
if (sub && sub->net_idx == net_idx) {
return sub;
}
}
return NULL;
}
bool bt_mesh_provisioner_check_msg_dst(u16_t dst)
{
struct bt_mesh_node *node = NULL;
int i;
BT_DBG("%s", __func__);
if (!BLE_MESH_ADDR_IS_UNICAST(dst)) {
return true;
}
for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
node = mesh_nodes[i];
if (node && dst >= node->unicast_addr &&
dst < node->unicast_addr + node->element_num) {
return true;
}
}
return false;
}
const u8_t *bt_mesh_provisioner_dev_key_get(u16_t dst)
{
/* Device key is only used to encrypt configuration messages.
* Configuration model shall only be supported by the primary
* element which uses the primary unicast address.
*/
struct bt_mesh_node *node = NULL;
int i;
BT_DBG("%s", __func__);
if (!BLE_MESH_ADDR_IS_UNICAST(dst)) {
BT_ERR("%s, Not a unicast address 0x%04x", __func__, dst);
return NULL;
}
for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
node = mesh_nodes[i];
if (node && node->unicast_addr == dst) {
return node->dev_key;
}
}
return NULL;
}
struct bt_mesh_app_key *bt_mesh_provisioner_app_key_find(u16_t app_idx)
{
struct bt_mesh_app_key *key = NULL;
int i;
BT_DBG("%s", __func__);
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_app_keys); i++) {
key = bt_mesh.p_app_keys[i];
if (key && key->net_idx != BLE_MESH_KEY_UNUSED &&
key->app_idx == app_idx) {
return key;
}
}
return NULL;
}
static int provisioner_check_app_key(const u8_t app_key[16], u16_t *app_idx)
{
struct bt_mesh_app_key *key = NULL;
int i;
if (!app_key) {
return 0;
}
/* Check if app_key is already existed */
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_app_keys); i++) {
key = bt_mesh.p_app_keys[i];
if (key && (!memcmp(key->keys[0].val, app_key, 16) ||
!memcmp(key->keys[1].val, app_key, 16))) {
*app_idx = key->app_idx;
return -EEXIST;
}
}
return 0;
}
static int provisioner_check_app_idx(u16_t app_idx, bool exist)
{
struct bt_mesh_app_key *key = NULL;
int i;
if (exist) {
/* Check if app_idx is already existed */
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_app_keys); i++) {
key = bt_mesh.p_app_keys[i];
if (key && (key->app_idx == app_idx)) {
return -EEXIST;
}
}
return 0;
}
/* Check if app_idx is not existed */
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_app_keys); i++) {
key = bt_mesh.p_app_keys[i];
if (key && (key->app_idx == app_idx)) {
return 0;
}
}
return -ENODEV;
}
static int provisioner_check_app_key_full(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_app_keys); i++) {
if (!bt_mesh.p_app_keys[i]) {
return i;
}
}
return -ENOMEM;
}
static int provisioner_check_net_key(const u8_t net_key[16], u16_t *net_idx)
{
struct bt_mesh_subnet *sub = NULL;
int i;
if (!net_key) {
return 0;
}
/* Check if net_key is already existed */
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_sub); i++) {
sub = bt_mesh.p_sub[i];
if (sub && (!memcmp(sub->keys[0].net, net_key, 16) ||
!memcmp(sub->keys[1].net, net_key, 16))) {
*net_idx = sub->net_idx;
return -EEXIST;
}
}
return 0;
}
static int provisioner_check_net_idx(u16_t net_idx, bool exist)
{
struct bt_mesh_subnet *sub = NULL;
int i;
if (exist) {
/* Check if net_idx is already existed */
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_sub); i++) {
sub = bt_mesh.p_sub[i];
if (sub && (sub->net_idx == net_idx)) {
return -EEXIST;
}
}
return 0;
}
/* Check if net_idx is not existed */
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_sub); i++) {
sub = bt_mesh.p_sub[i];
if (sub && (sub->net_idx == net_idx)) {
return 0;
}
}
return -ENODEV;
}
static int provisioner_check_net_key_full(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_sub); i++) {
if (!bt_mesh.p_sub[i]) {
return i;
}
}
return -ENOMEM;
}
int bt_mesh_provisioner_local_app_key_add(const u8_t app_key[16], u16_t net_idx, u16_t *app_idx)
{
struct bt_mesh_app_keys *keys = NULL;
struct bt_mesh_app_key *key = NULL;
u8_t p_key[16] = {0};
int add = -1;
if (bt_mesh.p_app_idx_next >= 0x1000) {
BT_ERR("%s, No AppKey Index available", __func__);
return -EIO;
}
if (!app_idx || (*app_idx != 0xFFFF && *app_idx >= 0x1000)) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
/* Check if the same application key already exists */
if (provisioner_check_app_key(app_key, app_idx)) {
BT_WARN("AppKey already exists, AppKey Index updated");
return 0;
}
/* Check if the net_idx exists */
if (provisioner_check_net_idx(net_idx, false)) {
BT_ERR("%s, NetKey Index does not exist", __func__);
return -ENODEV;
}
/* Check if the same app_idx already exists */
if (provisioner_check_app_idx(*app_idx, true)) {
BT_ERR("%s, AppKey Index already exists", __func__);
return -EEXIST;
}
add = provisioner_check_app_key_full();
if (add < 0) {
BT_ERR("%s, AppKey queue is full", __func__);
return -ENOMEM;
}
if (!app_key) {
if (bt_mesh_rand(p_key, 16)) {
BT_ERR("%s, Failed to generate AppKey", __func__);
return -EIO;
}
} else {
memcpy(p_key, app_key, 16);
}
key = bt_mesh_calloc(sizeof(struct bt_mesh_app_key));
if (!key) {
BT_ERR("%s, Failed to allocate memory", __func__);
return -ENOMEM;
}
keys = &key->keys[0];
if (bt_mesh_app_id(p_key, &keys->id)) {
BT_ERR("%s, Failed to generate AID", __func__);
bt_mesh_free(key);
return -EIO;
}
memcpy(keys->val, p_key, 16);
key->net_idx = net_idx;
if (*app_idx != 0xFFFF) {
key->app_idx = *app_idx;
} else {
key->app_idx = bt_mesh.p_app_idx_next;
while (1) {
if (provisioner_check_app_idx(key->app_idx, true)) {
key->app_idx = (++bt_mesh.p_app_idx_next);
if (key->app_idx >= 0x1000) {
BT_ERR("%s, No AppKey Index available", __func__);
bt_mesh_free(key);
return -EIO;
}
} else {
break;
}
}
*app_idx = key->app_idx;
}
key->updated = false;
bt_mesh.p_app_keys[add] = key;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_p_app_idx();
bt_mesh_store_p_app_key(key);
}
return 0;
}
int bt_mesh_provisioner_local_app_key_update(const u8_t app_key[16], u16_t net_idx, u16_t app_idx)
{
struct bt_mesh_app_keys *keys = NULL;
struct bt_mesh_app_key *key = NULL;
if (app_key == NULL) {
BT_ERR("%s, Invalid AppKey", __func__);
return -EINVAL;
}
BT_INFO("AppKey %s, net_idx 0x%03x, app_idx 0x%03x", bt_hex(app_key, 16), net_idx, app_idx);
/* Check if the net_idx exists */
if (provisioner_check_net_idx(net_idx, false)) {
BT_ERR("%s, NetKey Index 0x%03x not exist", __func__, net_idx);
return -ENODEV;
}
key = bt_mesh_provisioner_app_key_find(app_idx);
if (key == NULL) {
BT_ERR("%s, AppKey 0x%03x not exist", __func__, app_idx);
return -ENODEV;
}
keys = &key->keys[0];
if (bt_mesh_app_id(app_key, &keys->id)) {
BT_ERR("%s, Failed to generate AID", __func__);
return -EIO;
}
memset(keys->val, 0, 16);
memcpy(keys->val, app_key, 16);
key->updated = false;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_p_app_idx();
bt_mesh_store_p_app_key(key);
}
return 0;
}
const u8_t *bt_mesh_provisioner_local_app_key_get(u16_t net_idx, u16_t app_idx)
{
struct bt_mesh_app_key *key = NULL;
int i;
BT_DBG("%s", __func__);
if (provisioner_check_net_idx(net_idx, false)) {
BT_ERR("%s, NetKey Index does not exist", __func__);
return NULL;
}
if (provisioner_check_app_idx(app_idx, false)) {
BT_ERR("%s, AppKey Index does not exist", __func__);
return NULL;
}
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_app_keys); i++) {
key = bt_mesh.p_app_keys[i];
if (key && key->net_idx == net_idx &&
key->app_idx == app_idx) {
if (key->updated) {
return key->keys[1].val;
}
return key->keys[0].val;
}
}
return NULL;
}
static void model_pub_clear(struct bt_mesh_model *model)
{
if (!model->pub) {
return;
}
if (model->pub->addr == BLE_MESH_ADDR_UNASSIGNED) {
return;
}
model->pub->addr = BLE_MESH_ADDR_UNASSIGNED;
model->pub->key = 0U;
model->pub->cred = 0U;
model->pub->ttl = 0U;
model->pub->period = 0U;
model->pub->retransmit = 0U;
model->pub->count = 0U;
if (model->pub->update) {
k_delayed_work_cancel(&model->pub->timer);
}
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_mod_pub(model);
}
return;
}
static void model_unbind(struct bt_mesh_model *model, u16_t app_idx)
{
int i;
BT_DBG("model %p key_idx 0x%03x", model, app_idx);
for (i = 0; i < ARRAY_SIZE(model->keys); i++) {
if (model->keys[i] != app_idx) {
continue;
}
model->keys[i] = BLE_MESH_KEY_UNUSED;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_mod_bind(model);
}
model_pub_clear(model);
}
}
static void _model_unbind(struct bt_mesh_model *mod, struct bt_mesh_elem *elem,
bool vnd, bool primary, void *user_data)
{
u16_t app_idx = *(u16_t *)user_data;
model_unbind(mod, app_idx);
}
int bt_mesh_provisioner_local_app_key_delete(u16_t net_idx, u16_t app_idx)
{
struct bt_mesh_app_key *key = NULL;
int i;
BT_DBG("%s", __func__);
if (provisioner_check_net_idx(net_idx, false)) {
BT_ERR("%s, NetKey Index does not exist", __func__);
return -ENODEV;
}
if (provisioner_check_app_idx(app_idx, false)) {
BT_ERR("%s, AppKey Index does not exist", __func__);
return -ENODEV;
}
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_app_keys); i++) {
key = bt_mesh.p_app_keys[i];
if (key && key->net_idx == net_idx &&
key->app_idx == app_idx) {
/* Remove the AppKey from the models if they are bound with it */
bt_mesh_model_foreach(_model_unbind, &app_idx);
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_clear_p_app_key(key);
}
bt_mesh_free(bt_mesh.p_app_keys[i]);
bt_mesh.p_app_keys[i] = NULL;
return 0;
}
}
/* Shall never reach here */
return -ENODEV;
}
int bt_mesh_provisioner_local_net_key_add(const u8_t net_key[16], u16_t *net_idx)
{
struct bt_mesh_subnet *sub = NULL;
u8_t p_key[16] = {0};
int add = -1;
if (bt_mesh.p_net_idx_next >= 0x1000) {
BT_ERR("%s, No NetKey Index available", __func__);
return -EIO;
}
if (!net_idx || (*net_idx != 0xFFFF && *net_idx >= 0x1000)) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
/* Check if the same network key already exists */
if (provisioner_check_net_key(net_key, net_idx)) {
BT_WARN("NetKey already exists, NetKey Index updated");
return 0;
}
/* Check if the same net_idx already exists */
if (provisioner_check_net_idx(*net_idx, true)) {
BT_ERR("%s, NetKey Index already exists", __func__);
return -EEXIST;
}
add = provisioner_check_net_key_full();
if (add < 0) {
BT_ERR("%s, NetKey queue is full", __func__);
return -ENOMEM;
}
if (!net_key) {
if (bt_mesh_rand(p_key, 16)) {
BT_ERR("%s, Failed to generate NetKey", __func__);
return -EIO;
}
} else {
memcpy(p_key, net_key, 16);
}
sub = bt_mesh_calloc(sizeof(struct bt_mesh_subnet));
if (!sub) {
BT_ERR("%s, Failed to allocate memory", __func__);
return -ENOMEM;
}
if (bt_mesh_net_keys_create(&sub->keys[0], p_key)) {
BT_ERR("%s, Failed to generate NID", __func__);
bt_mesh_free(sub);
return -EIO;
}
if (*net_idx != 0xFFFF) {
sub->net_idx = *net_idx;
} else {
sub->net_idx = bt_mesh.p_net_idx_next;
while (1) {
if (provisioner_check_net_idx(sub->net_idx, true)) {
sub->net_idx = (++bt_mesh.p_net_idx_next);
if (sub->net_idx >= 0x1000) {
BT_ERR("%s, No NetKey Index available", __func__);
bt_mesh_free(sub);
return -EIO;
}
} else {
break;
}
}
*net_idx = sub->net_idx;
}
sub->kr_phase = BLE_MESH_KR_NORMAL;
sub->kr_flag = false;
sub->node_id = BLE_MESH_NODE_IDENTITY_NOT_SUPPORTED;
bt_mesh.p_sub[add] = sub;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_p_net_idx();
bt_mesh_store_p_subnet(sub);
}
return 0;
}
int bt_mesh_provisioner_local_net_key_update(const u8_t net_key[16], u16_t net_idx)
{
struct bt_mesh_subnet *sub = NULL;
int err = 0;
if (net_key == NULL) {
BT_ERR("%s, Invalid NetKey", __func__);
return -EINVAL;
}
BT_INFO("NetKey %s, net_idx 0x%03x", bt_hex(net_key, 16), net_idx);
sub = bt_mesh_provisioner_subnet_get(net_idx);
if (sub == NULL) {
BT_ERR("%s, NetKey 0x%03x not exist", __func__, net_idx);
return -ENODEV;
}
err = bt_mesh_net_keys_create(&sub->keys[0], net_key);
if (err) {
BT_ERR("%s, Failed to generate NID", __func__);
return -EIO;
}
memset(sub->keys[0].net, 0, 16);
memcpy(sub->keys[0].net, net_key, 16);
sub->kr_phase = BLE_MESH_KR_NORMAL;
sub->kr_flag = false;
sub->node_id = BLE_MESH_NODE_IDENTITY_NOT_SUPPORTED;
err = bt_mesh_net_beacon_update(sub);
if (err) {
BT_ERR("%s, Failed to update secure beacon", __func__);
return -EIO;
}
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_p_subnet(sub);
}
return 0;
}
const u8_t *bt_mesh_provisioner_local_net_key_get(u16_t net_idx)
{
struct bt_mesh_subnet *sub = NULL;
int i;
BT_DBG("%s", __func__);
if (provisioner_check_net_idx(net_idx, false)) {
BT_ERR("%s, NetKey Index does not exist", __func__);
return NULL;
}
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_sub); i++) {
sub = bt_mesh.p_sub[i];
if (sub && sub->net_idx == net_idx) {
if (sub->kr_flag) {
return sub->keys[1].net;
}
return sub->keys[0].net;
}
}
return NULL;
}
int bt_mesh_provisioner_local_net_key_delete(u16_t net_idx)
{
struct bt_mesh_subnet *sub = NULL;
int i, j;
BT_DBG("%s", __func__);
if (provisioner_check_net_idx(net_idx, false)) {
BT_ERR("%s, NetKey Index does not exist", __func__);
return -ENODEV;
}
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_sub); i++) {
sub = bt_mesh.p_sub[i];
if (sub && sub->net_idx == net_idx) {
/* Delete any app keys bound to this NetKey index */
for (j = 0; j < ARRAY_SIZE(bt_mesh.p_app_keys); j++) {
struct bt_mesh_app_key *key = bt_mesh.p_app_keys[j];
if (key && key->net_idx == sub->net_idx) {
bt_mesh_provisioner_local_app_key_delete(key->net_idx, key->app_idx);
}
}
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_clear_p_subnet(sub);
}
bt_mesh_free(bt_mesh.p_sub[i]);
bt_mesh.p_sub[i] = NULL;
return 0;
}
}
/* Shall never reach here */
return -ENODEV;
}
int bt_mesh_provisioner_bind_local_model_app_idx(u16_t elem_addr, u16_t mod_id,
u16_t cid, u16_t app_idx)
{
struct bt_mesh_model *model = NULL;
struct bt_mesh_elem *elem = NULL;
int i;
elem = bt_mesh_elem_find(elem_addr);
if (!elem) {
BT_ERR("%s, No element is found", __func__);
return -ENODEV;
}
if (cid == 0xFFFF) {
model = bt_mesh_model_find(elem, mod_id);
} else {
model = bt_mesh_model_find_vnd(elem, cid, mod_id);
}
if (!model) {
BT_ERR("%s, No model is found", __func__);
return -ENODEV;
}
if (provisioner_check_app_idx(app_idx, false)) {
BT_ERR("%s, AppKey Index does not exist", __func__);
return -ENODEV;
}
for (i = 0; i < ARRAY_SIZE(model->keys); i++) {
if (model->keys[i] == app_idx) {
BT_WARN("AppKey 0x%03x is already bound to model", app_idx);
return 0;
}
}
for (i = 0; i < ARRAY_SIZE(model->keys); i++) {
if (model->keys[i] == BLE_MESH_KEY_UNUSED) {
model->keys[i] = app_idx;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_mod_bind(model);
}
return 0;
}
}
BT_ERR("%s, Model AppKey queue is full", __func__);
return -ENOMEM;
}
int bt_mesh_print_local_composition_data(void)
{
const struct bt_mesh_comp *comp = NULL;
struct bt_mesh_model *model = NULL;
struct bt_mesh_elem *elem = NULL;
int i, j;
comp = bt_mesh_comp_get();
if (!comp) {
BT_ERR("%s, NULL composition data", __func__);
return -EINVAL;
}
BT_INFO("************************************************");
BT_INFO("* cid: 0x%04x pid: 0x%04x vid: 0x%04x *", comp->cid, comp->pid, comp->vid);
BT_INFO("* Element Number: 0x%02x *", comp->elem_count);
for (i = 0; i < comp->elem_count; i++) {
elem = &comp->elem[i];
BT_INFO("* Element %d: 0x%04x *", i, elem->addr);
BT_INFO("* Loc: 0x%04x NumS: 0x%02x NumV: 0x%02x *", elem->loc, elem->model_count, elem->vnd_model_count);
for (j = 0; j < elem->model_count; j++) {
model = &elem->models[j];
BT_INFO("* sig_model %d: id - 0x%04x *", j, model->id);
}
for (j = 0; j < elem->vnd_model_count; j++) {
model = &elem->vnd_models[j];
BT_INFO("* vnd_model %d: id - 0x%04x, cid - 0x%04x *", j, model->vnd.id, model->vnd.company);
}
}
BT_INFO("************************************************");
((void) model);
return 0;
}
#if CONFIG_BLE_MESH_TEST_AUTO_ENTER_NETWORK
int bt_mesh_provisioner_store_node_info(struct bt_mesh_node *node)
{
int err = 0;
if (!node) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
if (!BLE_MESH_ADDR_IS_UNICAST(node->unicast_addr)) {
BT_ERR("%s, Not a unicast address 0x%04x", __func__, node->unicast_addr);
return -EINVAL;
}
if (node->element_num == 0) {
BT_ERR("%s, Invalid element count %d", __func__, node->element_num);
return -EINVAL;
}
if (bt_mesh_provisioner_check_is_addr_dup(node->unicast_addr, node->element_num, true)) {
BT_ERR("%s, Unicast address 0x%04x is duplicated", __func__, node->unicast_addr);
return -EINVAL;
}
if (node->unicast_addr + node->element_num - 1 > 0x7FFF) {
BT_ERR("%s, Not enough unicast address for the node", __func__);
return -EIO;
}
if (bt_mesh_provisioner_net_key_get(node->net_idx) == NULL) {
BT_ERR("%s, Invalid NetKey Index 0x%03x", __func__, node->net_idx);
return -EINVAL;
}
err = provisioner_store_node(node, true, NULL);
if (err) {
BT_ERR("%s, Failed to store node info", __func__);
return err;
}
bt_mesh_test_provisioner_update_alloc_addr(node->unicast_addr, node->element_num);
return 0;
}
#endif /* CONFIG_BLE_MESH_TEST_AUTO_ENTER_NETWORK */
#endif /* CONFIG_BLE_MESH_PROVISIONER */
/* The following APIs are for fast provisioning */
#if CONFIG_BLE_MESH_FAST_PROV
const u8_t *bt_mesh_fast_prov_dev_key_get(u16_t dst)
{
struct bt_mesh_node *node = NULL;
int i;
BT_DBG("%s", __func__);
if (!BLE_MESH_ADDR_IS_UNICAST(dst)) {
BT_ERR("%s, Not a unicast address 0x%04x", __func__, dst);
return NULL;
}
if (dst == bt_mesh_primary_addr()) {
return bt_mesh.dev_key;
}
for (i = 0; i < ARRAY_SIZE(mesh_nodes); i++) {
node = mesh_nodes[i];
if (node && node->unicast_addr == dst) {
return node->dev_key;
}
}
return NULL;
}
struct bt_mesh_subnet *bt_mesh_fast_prov_subnet_get(u16_t net_idx)
{
struct bt_mesh_subnet *sub = NULL;
int i;
BT_DBG("%s", __func__);
for (i = 0; i < ARRAY_SIZE(bt_mesh.sub); i++) {
sub = &bt_mesh.sub[i];
if (sub->net_idx == net_idx) {
return sub;
}
}
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_sub); i++) {
sub = bt_mesh.p_sub[i];
if (sub && sub->net_idx == net_idx) {
return sub;
}
}
return NULL;
}
struct bt_mesh_app_key *bt_mesh_fast_prov_app_key_find(u16_t app_idx)
{
struct bt_mesh_app_key *key = NULL;
int i;
BT_DBG("%s", __func__);
for (i = 0; i < ARRAY_SIZE(bt_mesh.app_keys); i++) {
key = &bt_mesh.app_keys[i];
if (key->net_idx != BLE_MESH_KEY_UNUSED &&
key->app_idx == app_idx) {
return key;
}
}
for (i = 0; i < ARRAY_SIZE(bt_mesh.p_app_keys); i++) {
key = bt_mesh.p_app_keys[i];
if (key && key->net_idx != BLE_MESH_KEY_UNUSED &&
key->app_idx == app_idx) {
return key;
}
}
return NULL;
}
u8_t bt_mesh_set_fast_prov_net_idx(u16_t net_idx)
{
struct bt_mesh_subnet_keys *key = NULL;
struct bt_mesh_subnet *sub = NULL;
sub = bt_mesh_fast_prov_subnet_get(net_idx);
if (sub) {
key = BLE_MESH_KEY_REFRESH(sub->kr_flag) ? &sub->keys[1] : &sub->keys[0];
return bt_mesh_provisioner_set_fast_prov_net_idx(key->net, net_idx);
}
/* If net_idx is not found, set net_idx to fast_prov first,
* and wait for primary provisioner to add net_key */
return bt_mesh_provisioner_set_fast_prov_net_idx(NULL, net_idx);
}
u8_t bt_mesh_add_fast_prov_net_key(const u8_t net_key[16])
{
const u8_t *keys = NULL;
u16_t net_idx = 0U;
int err = 0;
net_idx = bt_mesh_provisioner_get_fast_prov_net_idx();
bt_mesh.p_net_idx_next = net_idx;
err = bt_mesh_provisioner_local_net_key_add(net_key, &net_idx);
if (err) {
return 0x01; /* status: add net_key fail */
};
keys = bt_mesh_provisioner_local_net_key_get(net_idx);
if (!keys) {
return 0x01; /* status: add net_key fail */
}
return bt_mesh_provisioner_set_fast_prov_net_idx(keys, net_idx);
}
const u8_t *bt_mesh_get_fast_prov_net_key(u16_t net_idx)
{
struct bt_mesh_subnet *sub = NULL;
sub = bt_mesh_fast_prov_subnet_get(net_idx);
if (!sub) {
BT_ERR("%s, Failed to get subnet", __func__);
return NULL;
}
return (sub->kr_flag ? sub->keys[1].net : sub->keys[0].net);
}
const u8_t *bt_mesh_get_fast_prov_app_key(u16_t net_idx, u16_t app_idx)
{
struct bt_mesh_app_key *key = NULL;
key = bt_mesh_fast_prov_app_key_find(app_idx);
if (!key) {
BT_ERR("%s, Failed to get AppKey", __func__);
return NULL;
}
return (key->updated ? key->keys[1].val : key->keys[0].val);
}
#endif /* CONFIG_BLE_MESH_FAST_PROV */