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prov_pvnr.c
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prov_pvnr.c
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/*
* SPDX-FileCopyrightText: 2017-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include <errno.h>
#include "crypto.h"
#include "adv.h"
#include "scan.h"
#include "mesh.h"
#include "access.h"
#include "settings.h"
#include "fast_prov.h"
#include "mesh/common.h"
#include "proxy_common.h"
#include "proxy_client.h"
#include "prov_common.h"
#include "prov_node.h"
#include "prov_pvnr.h"
#include "pvnr_mgmt.h"
#include "mesh_v1.1/utils.h"
#if CONFIG_BLE_MESH_PROVISIONER
_Static_assert(BLE_MESH_MAX_CONN >= CONFIG_BLE_MESH_PBG_SAME_TIME,
"Too large BLE Mesh PB-GATT count");
/* Number of devices can be provisioned at the same time equals to PB-ADV + PB-GATT */
#define BLE_MESH_PROV_SAME_TIME \
(CONFIG_BLE_MESH_PBA_SAME_TIME + CONFIG_BLE_MESH_PBG_SAME_TIME)
#define UNICAST_ADDR_LIMIT 0x7FFF
#define PROV_SVC_ADV_RX_CHECK(pre, cur) ((cur) < (pre) ? ((cur) + (UINT32_MAX - (pre)) >= 200) : ((cur) - (pre) >= 200))
/* Provisioner link structure allocation
* |--------------------------------------------------------|
* | Link(PB-ADV) | Link(PB-GATT) |
* |--------------------------------------------------------|
* |<----------------------Total Link---------------------->|
*/
static struct bt_mesh_prov_link prov_links[BLE_MESH_PROV_SAME_TIME];
struct bt_mesh_prov_ctx {
/* Primary element address of Provisioner */
uint16_t primary_addr;
/* Provisioning bearers used by Provisioner */
bt_mesh_prov_bearer_t bearers;
#if CONFIG_BLE_MESH_PB_ADV
/* Current number of PB-ADV provisioned devices simultaneously */
uint8_t pba_count;
#endif /* CONFIG_BLE_MESH_PB_ADV */
#if CONFIG_BLE_MESH_PB_GATT
/* Current number of PB-GATT provisioned devices simultaneously */
uint8_t pbg_count;
#endif /* CONFIG_BLE_MESH_PB_GATT */
/* Current unicast address going to allocated */
uint16_t alloc_addr;
/* Current net_idx going to be used in provisioning data */
uint16_t net_idx;
/* Length of Static OOB value */
uint8_t static_oob_len;
/* Static OOB value */
uint8_t static_oob_val[32];
/* Offset of the device uuid to be matched, based on zero */
uint8_t match_offset;
/* Length of the device uuid to be matched (start from the match_offset) */
uint8_t match_length;
/* Value of the device uuid to be matched */
uint8_t match_value[16];
/* Indicate when received uuid_match adv_pkts, can provision it at once */
bool prov_after_match;
#if CONFIG_BLE_MESH_PB_ADV
/* Mutex used to protect the PB-ADV procedure */
bt_mesh_mutex_t pb_adv_lock;
#endif /* CONFIG_BLE_MESH_PB_ADV */
#if CONFIG_BLE_MESH_PB_GATT
/* Mutex used to protect the PB-GATT procedure */
bt_mesh_mutex_t pb_gatt_lock;
#endif /* CONFIG_BLE_MESH_PB_GATT */
/* Fast provisioning related information */
struct {
bool enable;
uint16_t net_idx;
uint16_t unicast_addr_min;
uint16_t unicast_addr_max;
} fast_prov;
};
static struct bt_mesh_prov_ctx prov_ctx;
#define FAST_PROV_ENABLE() (prov_ctx.fast_prov.enable)
struct unprov_dev_queue {
bt_mesh_addr_t addr;
uint8_t uuid[16];
uint16_t oob_info;
uint8_t bearer;
uint8_t flags;
} __attribute__((packed)) unprov_dev[CONFIG_BLE_MESH_WAIT_FOR_PROV_MAX_DEV_NUM] = {
[0 ... (CONFIG_BLE_MESH_WAIT_FOR_PROV_MAX_DEV_NUM - 1)] = {
.addr.type = 0xff,
.bearer = 0,
.flags = false,
},
};
static unprov_adv_pkt_cb_t notify_unprov_adv_pkt_cb;
#if CONFIG_BLE_MESH_PB_ADV
static void send_link_open(struct bt_mesh_prov_link *link);
extern uint8_t pvnr_next_xact_id(struct bt_mesh_prov_link *link);
#endif
static void prov_gen_dh_key(struct bt_mesh_prov_link *link);
static void send_pub_key(struct bt_mesh_prov_link *link);
static void close_link(struct bt_mesh_prov_link *link, uint8_t reason);
static void send_invite(struct bt_mesh_prov_link *link);
#if CONFIG_BLE_MESH_PB_ADV
static struct prov_rx_buf {
struct net_buf_simple buf;
} rx_buf[CONFIG_BLE_MESH_PBA_SAME_TIME];
static uint8_t rx_buf_data[PROV_RX_BUF_SIZE * CONFIG_BLE_MESH_PBA_SAME_TIME];
#endif /* CONFIG_BLE_MESH_PB_ADV */
#define PROV_FREE_MEM(_idx, member) \
{ \
if (prov_links[_idx].member) { \
bt_mesh_free(prov_links[_idx].member); \
prov_links[_idx].member = NULL; \
} \
}
struct bt_mesh_prov_link *bt_mesh_prov_pvnr_get_link(void)
{
return &prov_links[0];
}
uint8_t bt_mesh_prov_pvnr_get_link_count(void)
{
return BLE_MESH_PROV_SAME_TIME;
}
void bt_mesh_prov_pvnr_close_link(struct bt_mesh_prov_link *link, uint8_t reason)
{
close_link(link, reason);
}
void bt_mesh_prov_pvnr_send_invite(struct bt_mesh_prov_link *link)
{
send_invite(link);
}
#if CONFIG_BLE_MESH_PB_ADV
static inline void bt_mesh_pb_adv_lock(void)
{
bt_mesh_mutex_lock(&prov_ctx.pb_adv_lock);
}
static inline void bt_mesh_pb_adv_unlock(void)
{
bt_mesh_mutex_unlock(&prov_ctx.pb_adv_lock);
}
#endif /* CONFIG_BLE_MESH_PB_ADV */
#if CONFIG_BLE_MESH_PB_GATT
static inline void bt_mesh_pb_gatt_lock(void)
{
bt_mesh_mutex_lock(&prov_ctx.pb_gatt_lock);
}
static inline void bt_mesh_pb_gatt_unlock(void)
{
bt_mesh_mutex_unlock(&prov_ctx.pb_gatt_lock);
}
void bt_mesh_provisioner_pbg_count_dec(void)
{
if (prov_ctx.pbg_count) {
prov_ctx.pbg_count--;
}
}
static inline void provisioner_pbg_count_inc(void)
{
prov_ctx.pbg_count++;
}
void bt_mesh_provisioner_clear_link_info(const uint8_t addr[6])
{
int i;
if (!addr) {
BT_ERR("%s, Invalid parameter", __func__);
return;
}
BT_DBG("Clear device info, addr %s", bt_hex(addr, BLE_MESH_ADDR_LEN));
for (i = CONFIG_BLE_MESH_PBA_SAME_TIME; i < BLE_MESH_PROV_SAME_TIME; i++) {
if (!memcmp(prov_links[i].addr.val, addr, BLE_MESH_ADDR_LEN)) {
bt_mesh_atomic_clear_bit(prov_links[i].flags, CONNECTING);
prov_links[i].conn = NULL;
prov_links[i].oob_info = 0x0;
memset(prov_links[i].uuid, 0, 16);
memset(&prov_links[i].addr, 0, sizeof(bt_mesh_addr_t));
bt_mesh_atomic_clear_bit(prov_links[i].flags, LINK_ACTIVE);
k_delayed_work_cancel(&prov_links[i].prot_timer);
return;
}
}
BT_WARN("Device not found, addr %s", bt_hex(addr, BLE_MESH_ADDR_LEN));
}
#endif /* CONFIG_BLE_MESH_PB_GATT */
#if CONFIG_BLE_MESH_SETTINGS
void bt_mesh_provisioner_restore_prov_info(uint16_t primary_addr, uint16_t alloc_addr)
{
prov_ctx.primary_addr = primary_addr;
prov_ctx.alloc_addr = alloc_addr;
}
#endif /* CONFIG_BLE_MESH_SETTINGS */
static bool is_unprov_dev_being_provision(const uint8_t uuid[16])
{
int i;
#if CONFIG_BLE_MESH_FAST_PROV
/* During Fast Provisioning test, we found that if a device has already being
* provisioned, there is still a chance that the Provisioner can receive the
* Unprovisioned Device Beacon from the device (because the device will stop
* Unprovisioned Device Beacon when Transaction ACK for Provisioning Complete
* is received). So in Fast Provisioning the Provisioner should ignore this.
*/
if (bt_mesh_provisioner_get_node_with_uuid(uuid)) {
BT_WARN("Device has already been provisioned");
return true;
}
#endif /* CONFIG_BLE_MESH_FAST_PROV */
for (i = 0; i < BLE_MESH_PROV_SAME_TIME; i++) {
if (bt_mesh_atomic_test_bit(prov_links[i].flags, LINK_ACTIVE)
#if CONFIG_BLE_MESH_PB_GATT
|| bt_mesh_atomic_test_bit(prov_links[i].flags, CONNECTING)
#endif
) {
if (!memcmp(prov_links[i].uuid, uuid, 16)) {
BT_DBG("Device is being provisioning");
return true;
}
}
}
return false;
}
static bool is_unprov_dev_uuid_match(const uint8_t uuid[16])
{
/* Match value is not configured */
if (prov_ctx.match_length == 0) {
return true;
}
if (memcmp(uuid + prov_ctx.match_offset,
prov_ctx.match_value, prov_ctx.match_length)) {
return false;
}
return true;
}
static int provisioner_check_unprov_dev_info(const uint8_t uuid[16], bt_mesh_prov_bearer_t bearer)
{
if (!uuid) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
/* Check if the device uuid matches configured value */
if (is_unprov_dev_uuid_match(uuid) == false) {
BT_DBG("Device uuid mismatch");
return -EIO;
}
/* Check if this device is currently being provisioned.
* According to Zephyr's device code, if we connect with
* one device and start to provision it, we may still can
* receive the connectable prov adv pkt from this device.
* Here we check both PB-GATT and PB-ADV link status.
*/
if (is_unprov_dev_being_provision(uuid)) {
return -EALREADY;
}
#if CONFIG_BLE_MESH_PB_ADV
/* Check if the current PB-ADV link is full */
if ((prov_ctx.bearers & BLE_MESH_PROV_ADV) &&
(bearer == BLE_MESH_PROV_ADV) &&
(prov_ctx.pba_count == CONFIG_BLE_MESH_PBA_SAME_TIME)) {
BT_INFO("Current PB-ADV links reach max limit");
return -ENOMEM;
}
#endif /* CONFIG_BLE_MESH_PB_ADV */
#if CONFIG_BLE_MESH_PB_GATT
/* Check if the current PB-GATT link is full */
if ((prov_ctx.bearers & BLE_MESH_PROV_GATT) &&
(bearer == BLE_MESH_PROV_GATT) &&
(prov_ctx.pbg_count == CONFIG_BLE_MESH_PBG_SAME_TIME)) {
BT_INFO("Current PB-GATT links reach max limit");
return -ENOMEM;
}
#endif /* CONFIG_BLE_MESH_PB_GATT */
/* Check if the device has already been provisioned */
if (bt_mesh_provisioner_get_node_with_uuid(uuid)) {
BT_INFO("Provisioned before, start to provision again");
}
return 0;
}
#if CONFIG_BLE_MESH_PB_ADV
static int provisioner_start_prov_pb_adv(const uint8_t uuid[16], const bt_mesh_addr_t *addr,
uint16_t oob_info, uint16_t assign_addr)
{
int i;
if (uuid == NULL) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
bt_mesh_pb_adv_lock();
/* If the unicast address of the device is allocated internally,
* then we need to check if there are addresses available.
*/
if (assign_addr == BLE_MESH_ADDR_UNASSIGNED &&
prov_ctx.alloc_addr == BLE_MESH_ADDR_UNASSIGNED) {
BT_ERR("No available unicast address to assign");
bt_mesh_pb_adv_unlock();
return -EIO;
}
if (is_unprov_dev_being_provision(uuid)) {
bt_mesh_pb_adv_unlock();
return 0;
}
for (i = 0; i < CONFIG_BLE_MESH_PBA_SAME_TIME; i++) {
if (!bt_mesh_atomic_test_bit(prov_links[i].flags, LINK_ACTIVE) &&
!bt_mesh_atomic_test_bit(prov_links[i].flags, LINK_CLOSING)) {
memcpy(prov_links[i].uuid, uuid, 16);
prov_links[i].oob_info = oob_info;
if (addr) {
prov_links[i].addr.type = addr->type;
memcpy(prov_links[i].addr.val, addr->val, BLE_MESH_ADDR_LEN);
}
send_link_open(&prov_links[i]);
/* If a specific unicast address is assigned for the device, then
* Provisioner will use this address in the Provisioning Data PDU.
*/
if (BLE_MESH_ADDR_IS_UNICAST(assign_addr)) {
prov_links[i].assign_addr = assign_addr;
}
/* Increase PB-ADV link count */
prov_ctx.pba_count++;
bt_mesh_pb_adv_unlock();
return 0;
}
}
BT_ERR("No PB-ADV link available");
bt_mesh_pb_adv_unlock();
return -ENOMEM;
}
#endif /* CONFIG_BLE_MESH_PB_ADV */
#if CONFIG_BLE_MESH_PB_GATT
static int provisioner_start_prov_pb_gatt(const uint8_t uuid[16], const bt_mesh_addr_t *addr,
uint16_t oob_info, uint16_t assign_addr)
{
int i;
if (uuid == NULL || addr == NULL) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
bt_mesh_pb_gatt_lock();
/* If the unicast address of the device is allocated internally,
* then we need to check if there are addresses available.
*/
if (assign_addr == BLE_MESH_ADDR_UNASSIGNED &&
prov_ctx.alloc_addr == BLE_MESH_ADDR_UNASSIGNED) {
BT_ERR("No available unicast address to assign");
bt_mesh_pb_gatt_unlock();
return -EIO;
}
if (is_unprov_dev_being_provision(uuid)) {
bt_mesh_pb_gatt_unlock();
return 0;
}
for (i = CONFIG_BLE_MESH_PBA_SAME_TIME; i < BLE_MESH_PROV_SAME_TIME; i++) {
if (!bt_mesh_atomic_test_bit(prov_links[i].flags, CONNECTING) &&
!bt_mesh_atomic_test_bit(prov_links[i].flags, LINK_ACTIVE)) {
if (bt_mesh_gattc_conn_create(addr, BLE_MESH_UUID_MESH_PROV_VAL)) {
bt_mesh_pb_gatt_unlock();
return -EIO;
}
memcpy(prov_links[i].uuid, uuid, 16);
prov_links[i].oob_info = oob_info;
prov_links[i].addr.type = addr->type;
memcpy(prov_links[i].addr.val, addr->val, BLE_MESH_ADDR_LEN);
/* If the application layer assigned a specific unicast address for the device,
* then Provisioner will use this address in the Provisioning Data PDU.
*/
if (BLE_MESH_ADDR_IS_UNICAST(assign_addr)) {
prov_links[i].assign_addr = assign_addr;
}
/* If creating connection successfully, set CONNECTING flag */
bt_mesh_atomic_set_bit(prov_links[i].flags, CONNECTING);
/* Increase PB-GATT link count */
provisioner_pbg_count_inc();
bt_mesh_pb_gatt_unlock();
return 0;
}
}
BT_ERR("No PB-GATT link available");
bt_mesh_pb_gatt_unlock();
return -ENOMEM;
}
#endif /* CONFIG_BLE_MESH_PB_GATT */
int bt_mesh_provisioner_add_unprov_dev(struct bt_mesh_unprov_dev_add *add_dev, uint8_t flags)
{
bt_mesh_addr_t add_addr = {0};
bool addr_valid = false;
uint8_t zero[16] = {0};
int err = 0;
int i;
if (add_dev == NULL) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
if (!memcmp(add_dev->uuid, zero, 16)) {
BT_ERR("Invalid device uuid to add");
return -EINVAL;
}
if (!(add_dev->bearer & (BLE_MESH_PROV_ADV | BLE_MESH_PROV_GATT))) {
BT_ERR("Invalid bearer 0x%02x", add_dev->bearer);
return -EINVAL;
}
if ((!IS_ENABLED(CONFIG_BLE_MESH_PB_GATT) ||
!(prov_ctx.bearers & BLE_MESH_PROV_GATT))
&& (add_dev->bearer & BLE_MESH_PROV_GATT)) {
BT_ERR("Not support PB-GATT");
return -EINVAL;
}
if ((!IS_ENABLED(CONFIG_BLE_MESH_PB_ADV) ||
!(prov_ctx.bearers & BLE_MESH_PROV_ADV))
&& (add_dev->bearer & BLE_MESH_PROV_ADV)) {
BT_ERR("Not support PB-ADV");
return -EINVAL;
}
if (memcmp(add_dev->addr, zero, BLE_MESH_ADDR_LEN)) {
addr_valid = true;
add_addr.type = add_dev->addr_type;
memcpy(add_addr.val, add_dev->addr, BLE_MESH_ADDR_LEN);
}
/* Pb-GATT needs device address to create connection */
if ((add_dev->bearer & BLE_MESH_PROV_GATT) && (addr_valid == false)) {
BT_ERR("Invalid device address for PB-GATT");
return -EINVAL;
}
/* If start provisioning immediately, only one bearer can be used */
if ((flags & START_PROV_NOW) &&
(add_dev->bearer != BLE_MESH_PROV_ADV) &&
(add_dev->bearer != BLE_MESH_PROV_GATT)) {
BT_ERR("Can not start PB-ADV & PB-GATT simultaneously");
return -EINVAL;
}
/* Check if the provisioned nodes array is full */
if (bt_mesh_provisioner_get_node_with_uuid(add_dev->uuid) == NULL &&
bt_mesh_provisioner_get_node_count() == CONFIG_BLE_MESH_MAX_PROV_NODES) {
BT_WARN("Current provisioned devices reach max limit");
return -ENOMEM;
}
/* Check if the device already exists in queue */
for (i = 0; i < ARRAY_SIZE(unprov_dev); i++) {
if (!memcmp(unprov_dev[i].uuid, add_dev->uuid, 16)) {
if (!(add_dev->bearer & unprov_dev[i].bearer)) {
BT_WARN("Add device with only bearer updated");
unprov_dev[i].bearer |= add_dev->bearer;
} else {
BT_WARN("Device already exists in queue");
}
goto start;
}
}
/* If not exists, try to add the device into queue */
for (i = 0; i < ARRAY_SIZE(unprov_dev); i++) {
if (unprov_dev[i].bearer) {
continue;
}
if (addr_valid) {
unprov_dev[i].addr.type = add_dev->addr_type;
memcpy(unprov_dev[i].addr.val, add_dev->addr, BLE_MESH_ADDR_LEN);
}
memcpy(unprov_dev[i].uuid, add_dev->uuid, 16);
unprov_dev[i].bearer = add_dev->bearer & BIT_MASK(2);
unprov_dev[i].flags = flags & BIT_MASK(3);
goto start;
}
/* If queue is full, find flushable device and replace it */
for (i = 0; i < ARRAY_SIZE(unprov_dev); i++) {
if (unprov_dev[i].flags & FLUSHABLE_DEV) {
memset(&unprov_dev[i], 0, sizeof(struct unprov_dev_queue));
if (addr_valid) {
unprov_dev[i].addr.type = add_dev->addr_type;
memcpy(unprov_dev[i].addr.val, add_dev->addr, BLE_MESH_ADDR_LEN);
}
memcpy(unprov_dev[i].uuid, add_dev->uuid, 16);
unprov_dev[i].bearer = add_dev->bearer & BIT_MASK(2);
unprov_dev[i].flags = flags & BIT_MASK(3);
goto start;
}
}
BT_ERR("Unprovisioned device queue is full");
return -ENOMEM;
start:
/* If not provisioning immediately, directly return here */
if (!(flags & START_PROV_NOW)) {
return 0;
}
/* Check if current provisioned node count + active link reach max limit */
if (bt_mesh_provisioner_get_node_with_uuid(add_dev->uuid) == NULL) {
if (bt_mesh_provisioner_get_node_count()
#if CONFIG_BLE_MESH_PB_ADV
+ prov_ctx.pba_count /* Add current PB-ADV link count */
#endif
#if CONFIG_BLE_MESH_PB_GATT
+ prov_ctx.pbg_count /* Add current PB-GATT link count */
#endif
>= CONFIG_BLE_MESH_MAX_PROV_NODES) {
BT_WARN("Node count + active link count reach max limit");
return -EIO;
}
}
if ((err = provisioner_check_unprov_dev_info(add_dev->uuid, add_dev->bearer))) {
return err;
}
#if CONFIG_BLE_MESH_PB_ADV
if (add_dev->bearer == BLE_MESH_PROV_ADV) {
return provisioner_start_prov_pb_adv(add_dev->uuid, addr_valid ? &add_addr : NULL,
add_dev->oob_info, BLE_MESH_ADDR_UNASSIGNED);
}
#endif /* CONFIG_BLE_MESH_PB_ADV */
#if CONFIG_BLE_MESH_PB_GATT
if (add_dev->bearer == BLE_MESH_PROV_GATT) {
return provisioner_start_prov_pb_gatt(add_dev->uuid, &add_addr, add_dev->oob_info,
BLE_MESH_ADDR_UNASSIGNED);
}
#endif /* CONFIG_BLE_MESH_PB_GATT */
/* Shall not reach here. */
return 0;
}
int bt_mesh_provisioner_prov_device_with_addr(const uint8_t uuid[16], const uint8_t addr[6],
uint8_t addr_type, bt_mesh_prov_bearer_t bearer,
uint16_t oob_info, uint16_t unicast_addr)
{
bt_mesh_addr_t dev_addr = {0};
int err = 0;
if (uuid == NULL) {
BT_ERR("Invalid device uuid");
return -EINVAL;
}
if (bearer != BLE_MESH_PROV_ADV && bearer != BLE_MESH_PROV_GATT) {
BT_ERR("Invalid provisioning bearer 0x%02x", bearer);
return -EINVAL;
}
if ((!IS_ENABLED(CONFIG_BLE_MESH_PB_ADV) ||
!(prov_ctx.bearers & BLE_MESH_PROV_ADV)) &&
(bearer == BLE_MESH_PROV_ADV)) {
BT_ERR("Not support PB-ADV");
return -ENOTSUP;
}
if ((!IS_ENABLED(CONFIG_BLE_MESH_PB_GATT) ||
!(prov_ctx.bearers & BLE_MESH_PROV_GATT)) &&
(bearer == BLE_MESH_PROV_GATT)) {
BT_ERR("Not support PB-GATT");
return -ENOTSUP;
}
if (bearer == BLE_MESH_PROV_GATT && addr == NULL) {
BT_ERR("Invalid device address for PB-GATT");
return -EINVAL;
}
if (!BLE_MESH_ADDR_IS_UNICAST(unicast_addr)) {
BT_ERR("Invalid unicast address 0x%04x", unicast_addr);
return -EINVAL;
}
/* Here we will not check if the assigned unicast address is overlapped
* with the unicast addresses of other nodes or Provisioner, because:
* 1. At this moment, the element number of the device is unknown
* 2. If the node is a re-provisioned device, then the original allocated
* unicast address will be used.
* 3. Some other devices may be just being provisioning, and currently we
* can not know the exactly allocated addresses of them.
*/
if (bt_mesh_provisioner_get_node_with_uuid(uuid) == NULL) {
/* Check if the provisioned nodes array is full */
if (bt_mesh_provisioner_get_node_count() == CONFIG_BLE_MESH_MAX_PROV_NODES) {
BT_WARN("Current provisioned devices reach max limit");
return -ENOMEM;
}
/* Check if current provisioned node count + active link reach max limit */
if (bt_mesh_provisioner_get_node_count()
#if CONFIG_BLE_MESH_PB_ADV
+ prov_ctx.pba_count /* Add current PB-ADV link count */
#endif
#if CONFIG_BLE_MESH_PB_GATT
+ prov_ctx.pbg_count /* Add current PB-GATT link count */
#endif
>= CONFIG_BLE_MESH_MAX_PROV_NODES) {
BT_WARN("Node count + active link count reach max limit");
return -EIO;
}
}
if ((err = provisioner_check_unprov_dev_info(uuid, bearer))) {
return err;
}
if (addr) {
dev_addr.type = addr_type;
memcpy(dev_addr.val, addr, BLE_MESH_ADDR_LEN);
}
#if CONFIG_BLE_MESH_PB_ADV
if (bearer == BLE_MESH_PROV_ADV) {
return provisioner_start_prov_pb_adv(uuid, addr ? &dev_addr : NULL, oob_info, unicast_addr);
}
#endif /* CONFIG_BLE_MESH_PB_ADV */
#if CONFIG_BLE_MESH_PB_GATT
if (bearer == BLE_MESH_PROV_GATT) {
return provisioner_start_prov_pb_gatt(uuid, &dev_addr, oob_info, unicast_addr);
}
#endif /* CONFIG_BLE_MESH_PB_GATT */
/* Shall not reach here. */
return 0;
}
int bt_mesh_provisioner_delete_device(struct bt_mesh_device_delete *del_dev)
{
uint8_t zero[16] = {0};
int i;
if (del_dev == NULL) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
if (!memcmp(del_dev->uuid, zero, 16)) {
BT_ERR("Invalid device uuid to delete");
return -EINVAL;
}
/* Find if the device is in the device queue */
for (i = 0; i < ARRAY_SIZE(unprov_dev); i++) {
if (!memcmp(unprov_dev[i].uuid, del_dev->uuid, 16)) {
memset(&unprov_dev[i], 0, sizeof(struct unprov_dev_queue));
break;
}
}
/* Find if the device is being provisioned */
for (i = 0; i < ARRAY_SIZE(prov_links); i++) {
if (!memcmp(prov_links[i].uuid, del_dev->uuid, 16)) {
close_link(&prov_links[i], CLOSE_REASON_FAILED);
break;
}
}
return 0;
}
int bt_mesh_provisioner_set_dev_uuid_match(uint8_t offset, uint8_t length,
const uint8_t *match, bool prov_flag)
{
if (length && (match == NULL || (offset + length > 16))) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
(void)memset(prov_ctx.match_value, 0, 16);
prov_ctx.match_offset = offset;
prov_ctx.match_length = length;
if (length) {
memcpy(prov_ctx.match_value, match, length);
}
prov_ctx.prov_after_match = prov_flag;
return 0;
}
int bt_mesh_provisioner_adv_pkt_cb_register(unprov_adv_pkt_cb_t cb)
{
if (!cb) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
notify_unprov_adv_pkt_cb = cb;
return 0;
}
int bt_mesh_provisioner_set_prov_data_info(struct bt_mesh_prov_data_info *info)
{
const uint8_t *key = NULL;
if (info == NULL || info->flag == 0) {
return -EINVAL;
}
if (info->flag & NET_IDX_FLAG) {
key = bt_mesh_provisioner_net_key_get(info->net_idx);
if (!key) {
BT_ERR("Failed to get NetKey");
return -EINVAL;
}
prov_ctx.net_idx = info->net_idx;
}
return 0;
}
static inline uint8_t get_net_flags(uint16_t net_idx)
{
return bt_mesh_net_flags(bt_mesh_subnet_get(net_idx));
}
int bt_mesh_provisioner_init_prov_info(void)
{
if (prov_ctx.primary_addr == BLE_MESH_ADDR_UNASSIGNED) {
/* If unicast address of primary element of Provisioner has not been set
* before, then the following initialization procedure will be used.
*/
if (bt_mesh_prov_get() == NULL) {
BT_ERR("No provisioning context provided");
return -EINVAL;
}
if (!BLE_MESH_ADDR_IS_UNICAST(bt_mesh_prov_get()->prov_unicast_addr) ||
!BLE_MESH_ADDR_IS_UNICAST(bt_mesh_prov_get()->prov_start_address)) {
BT_ERR("Invalid address, own 0x%04x, start 0x%04x",
bt_mesh_prov_get()->prov_unicast_addr,
bt_mesh_prov_get()->prov_start_address);
return -EINVAL;
}
const struct bt_mesh_comp *comp = bt_mesh_comp_get();
if (!comp) {
BT_ERR("Invalid composition data");
return -EINVAL;
}
if (bt_mesh_prov_get()->prov_unicast_addr + comp->elem_count >
bt_mesh_prov_get()->prov_start_address) {
BT_WARN("Too small start address 0x%04x, update to 0x%04x",
bt_mesh_prov_get()->prov_start_address,
bt_mesh_prov_get()->prov_unicast_addr + comp->elem_count);
prov_ctx.alloc_addr = bt_mesh_prov_get()->prov_unicast_addr + comp->elem_count;
} else {
prov_ctx.alloc_addr = bt_mesh_prov_get()->prov_start_address;
}
/* Update primary element address with the initialized value here. */
prov_ctx.primary_addr = bt_mesh_prov_get()->prov_unicast_addr;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_prov_info(prov_ctx.primary_addr, prov_ctx.alloc_addr);
}
}
prov_ctx.net_idx = BLE_MESH_KEY_PRIMARY;
return 0;
}
void bt_mesh_provisioner_set_prov_bearer(bt_mesh_prov_bearer_t bearers, bool clear)
{
if (clear == false) {
prov_ctx.bearers |= bearers;
} else {
prov_ctx.bearers &= ~bearers;
}
}
bt_mesh_prov_bearer_t bt_mesh_provisioner_get_prov_bearer(void)
{
return prov_ctx.bearers;
}
int bt_mesh_provisioner_set_static_oob_value(const uint8_t *value, uint8_t length)
{
int i;
if (value == NULL || length == 0U || length > BLE_MESH_PROV_STATIC_OOB_MAX_LEN) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
/* Make sure Static OOB is not being used. */
for (i = 0; i < BLE_MESH_PROV_SAME_TIME; i++) {
if (prov_links[i].auth_method == AUTH_METHOD_STATIC) {
BT_ERR("Static OOB is being used");
return -EINVAL;
}
}
(void)memset(prov_ctx.static_oob_val, 0, BLE_MESH_PROV_STATIC_OOB_MAX_LEN);
prov_ctx.static_oob_len = MIN(BLE_MESH_PROV_STATIC_OOB_MAX_LEN, length);
memcpy(prov_ctx.static_oob_val, value, prov_ctx.static_oob_len);
return 0;
}
uint16_t bt_mesh_provisioner_get_primary_elem_addr(void)
{
return prov_ctx.primary_addr;
}
int bt_mesh_provisioner_set_primary_elem_addr(uint16_t addr)
{
const struct bt_mesh_comp *comp = NULL;
if (!BLE_MESH_ADDR_IS_UNICAST(addr)) {
BT_ERR("Invalid primary address 0x%04x", addr);
return -EINVAL;
}
comp = bt_mesh_comp_get();
if (!comp) {
BT_ERR("Invalid composition data");
return -EINVAL;
}
/* Make sure Provisioner address is not identical with the addresses of nodes */
if (bt_mesh_provisioner_check_is_addr_dup(addr, comp->elem_count, false)) {
BT_ERR("Address 0x%04x is duplicated with node address", addr);
return -EINVAL;
}
/* If the current can-be allocated address is larger than "primary address
* + element number", then the alloc_addr will not be changed, and only
* the Provisioner related addresses will be updated.
*/
if (addr + comp->elem_count > prov_ctx.alloc_addr) {
prov_ctx.alloc_addr = addr + comp->elem_count;
}
BT_INFO("Primary address updated, old 0x%04x, new 0x%04x", prov_ctx.primary_addr, addr);
prov_ctx.primary_addr = addr;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_prov_info(prov_ctx.primary_addr, prov_ctx.alloc_addr);
}
bt_mesh_comp_provision(addr);
return 0;
}
#if CONFIG_BLE_MESH_TEST_AUTO_ENTER_NETWORK
int bt_mesh_test_provisioner_update_alloc_addr(uint16_t unicast_addr, uint16_t element_num)
{
uint16_t max_addr = FAST_PROV_ENABLE() ? prov_ctx.fast_prov.unicast_addr_max : UNICAST_ADDR_LIMIT;
if (unicast_addr + element_num > max_addr) {
BT_WARN("Not enough unicast address to allocate");
prov_ctx.alloc_addr = BLE_MESH_ADDR_UNASSIGNED;
} else {
prov_ctx.alloc_addr = unicast_addr + element_num;
}
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_prov_info(prov_ctx.primary_addr, prov_ctx.alloc_addr);
}
return 0;
}
#endif /* CONFIG_BLE_MESH_TEST_AUTO_ENTER_NETWORK */
/* The following APIs are for fast provisioning */
void bt_mesh_provisioner_fast_prov_enable(bool enable)
{
prov_ctx.fast_prov.enable = enable;
}
void bt_mesh_provisioner_set_fast_prov_net_idx(uint16_t net_idx)
{
prov_ctx.fast_prov.net_idx = net_idx;
}
uint16_t bt_mesh_provisioner_get_fast_prov_net_idx(void)
{
return prov_ctx.fast_prov.net_idx;
}
uint8_t bt_mesh_set_fast_prov_unicast_addr_range(uint16_t min, uint16_t max)
{
if (!BLE_MESH_ADDR_IS_UNICAST(min) || !BLE_MESH_ADDR_IS_UNICAST(max)) {
BT_ERR("Invalid unicast address, min 0x%04x, max 0x%04x", min, max);
return 0x01; /* status: not a unicast address */
}
if (min > max) {
BT_ERR("Unicast address min is bigger than max");
return 0x02; /* status: min is bigger than max */
}
if (min <= prov_ctx.fast_prov.unicast_addr_max) {
BT_ERR("Unicast address overlap");
return 0x03; /* status: address overlaps with current value */
}