blob: a13642ea6c8004146ed3164e0db2edef653ab12c [file] [log] [blame]
/*
* Copyright (c) 2017 Intel Corporation
* Copyright (c) 2020 Lingao Meng
* Copyright (c) 2021 Manulytica Limited
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/kernel.h>
#include <errno.h>
#include <zephyr/sys/atomic.h>
#include <zephyr/sys/util.h>
#include <zephyr/sys/byteorder.h>
#include <zephyr/net/buf.h>
#include <zephyr/bluetooth/bluetooth.h>
#include <zephyr/bluetooth/conn.h>
#include <zephyr/bluetooth/mesh.h>
#include <zephyr/bluetooth/uuid.h>
#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_MESH_DEBUG_PROVISIONER)
#define LOG_MODULE_NAME bt_mesh_provisioner
#include "common/log.h"
#include "host/ecc.h"
#include "host/testing.h"
#include "crypto.h"
#include "adv.h"
#include "mesh.h"
#include "net.h"
#include "rpl.h"
#include "beacon.h"
#include "access.h"
#include "foundation.h"
#include "proxy.h"
#include "prov.h"
#include "settings.h"
static struct {
struct bt_mesh_cdb_node *node;
uint16_t addr;
uint16_t net_idx;
uint8_t attention_duration;
uint8_t uuid[16];
} prov_device;
static void send_pub_key(void);
static void prov_dh_key_gen(void);
static void pub_key_ready(const uint8_t *pkey);
static int reset_state(void)
{
if (prov_device.node != NULL) {
bt_mesh_cdb_node_del(prov_device.node, false);
}
return bt_mesh_prov_reset_state(pub_key_ready);
}
static void prov_link_close(enum prov_bearer_link_status status)
{
BT_DBG("%u", status);
bt_mesh_prov_link.expect = PROV_NO_PDU;
bt_mesh_prov_link.bearer->link_close(status);
}
static void prov_fail(uint8_t reason)
{
/* According to Bluetooth Mesh Specification v1.0.1, Section 5.4.4, the
* provisioner just closes the link when something fails, while the
* provisionee sends the fail message, and waits for the provisioner to
* close the link.
*/
prov_link_close(PROV_BEARER_LINK_STATUS_FAIL);
}
static void send_invite(void)
{
PROV_BUF(inv, PDU_LEN_INVITE);
BT_DBG("");
bt_mesh_prov_buf_init(&inv, PROV_INVITE);
net_buf_simple_add_u8(&inv, prov_device.attention_duration);
memcpy(bt_mesh_prov_link.conf_inputs.invite, &prov_device.attention_duration,
PDU_LEN_INVITE);
if (bt_mesh_prov_send(&inv, NULL)) {
BT_ERR("Failed to send invite");
return;
}
bt_mesh_prov_link.expect = PROV_CAPABILITIES;
}
static void start_sent(int err, void *cb_data)
{
if (!bt_pub_key_get()) {
atomic_set_bit(bt_mesh_prov_link.flags, WAIT_PUB_KEY);
BT_WARN("Waiting for local public key");
} else {
send_pub_key();
}
}
static void send_start(void)
{
BT_DBG("");
PROV_BUF(start, PDU_LEN_START);
bool oob_pub_key = bt_mesh_prov_link.conf_inputs.capabilities[3] == PUB_KEY_OOB;
bt_mesh_prov_buf_init(&start, PROV_START);
net_buf_simple_add_u8(&start, PROV_ALG_P256);
if (atomic_test_bit(bt_mesh_prov_link.flags, REMOTE_PUB_KEY) && oob_pub_key) {
net_buf_simple_add_u8(&start, PUB_KEY_OOB);
atomic_set_bit(bt_mesh_prov_link.flags, OOB_PUB_KEY);
} else {
net_buf_simple_add_u8(&start, PUB_KEY_NO_OOB);
}
net_buf_simple_add_u8(&start, bt_mesh_prov_link.oob_method);
net_buf_simple_add_u8(&start, bt_mesh_prov_link.oob_action);
net_buf_simple_add_u8(&start, bt_mesh_prov_link.oob_size);
memcpy(bt_mesh_prov_link.conf_inputs.start, &start.data[1], PDU_LEN_START);
if (bt_mesh_prov_auth(true, bt_mesh_prov_link.oob_method,
bt_mesh_prov_link.oob_action, bt_mesh_prov_link.oob_size) < 0) {
BT_ERR("Invalid authentication method: 0x%02x; "
"action: 0x%02x; size: 0x%02x", bt_mesh_prov_link.oob_method,
bt_mesh_prov_link.oob_action, bt_mesh_prov_link.oob_size);
return;
}
if (bt_mesh_prov_send(&start, start_sent)) {
BT_ERR("Failed to send Provisioning Start");
return;
}
}
static bool prov_check_method(struct bt_mesh_dev_capabilities *caps)
{
if (bt_mesh_prov_link.oob_method == AUTH_METHOD_STATIC) {
if (!caps->static_oob) {
BT_WARN("Device not support OOB static authentication provisioning");
return false;
}
} else if (bt_mesh_prov_link.oob_method == AUTH_METHOD_INPUT) {
if (bt_mesh_prov_link.oob_size > caps->input_size) {
BT_WARN("The required input length (0x%02x) "
"exceeds the device capacity (0x%02x)",
bt_mesh_prov_link.oob_size, caps->input_size);
return false;
}
if (!(BIT(bt_mesh_prov_link.oob_action) & caps->input_actions)) {
BT_WARN("The required input action (0x%04x) "
"not supported by the device (0x%02x)",
(uint16_t)BIT(bt_mesh_prov_link.oob_action), caps->input_actions);
return false;
}
if (bt_mesh_prov_link.oob_action == INPUT_OOB_STRING) {
if (!bt_mesh_prov->output_string) {
BT_WARN("Not support output string");
return false;
}
} else {
if (!bt_mesh_prov->output_number) {
BT_WARN("Not support output number");
return false;
}
}
} else if (bt_mesh_prov_link.oob_method == AUTH_METHOD_OUTPUT) {
if (bt_mesh_prov_link.oob_size > caps->output_size) {
BT_WARN("The required output length (0x%02x) "
"exceeds the device capacity (0x%02x)",
bt_mesh_prov_link.oob_size, caps->output_size);
return false;
}
if (!(BIT(bt_mesh_prov_link.oob_action) & caps->output_actions)) {
BT_WARN("The required output action (0x%04x) "
"not supported by the device (0x%02x)",
(uint16_t)BIT(bt_mesh_prov_link.oob_action), caps->output_actions);
return false;
}
if (!bt_mesh_prov->input) {
BT_WARN("Not support input");
return false;
}
}
return true;
}
static void prov_capabilities(const uint8_t *data)
{
struct bt_mesh_dev_capabilities caps;
caps.elem_count = data[0];
BT_DBG("Elements: %u", caps.elem_count);
caps.algorithms = sys_get_be16(&data[1]);
BT_DBG("Algorithms: %u", caps.algorithms);
caps.pub_key_type = data[3];
caps.static_oob = data[4];
caps.output_size = data[5];
BT_DBG("Public Key Type: 0x%02x", caps.pub_key_type);
BT_DBG("Static OOB Type: 0x%02x", caps.static_oob);
BT_DBG("Output OOB Size: %u", caps.output_size);
caps.output_actions = (bt_mesh_output_action_t)
(sys_get_be16(&data[6]));
caps.input_size = data[8];
caps.input_actions = (bt_mesh_input_action_t)
(sys_get_be16(&data[9]));
BT_DBG("Output OOB Action: 0x%04x", caps.output_actions);
BT_DBG("Input OOB Size: %u", caps.input_size);
BT_DBG("Input OOB Action: 0x%04x", caps.input_actions);
if (data[0] == 0) {
BT_ERR("Invalid number of elements");
prov_fail(PROV_ERR_NVAL_FMT);
return;
}
prov_device.node =
bt_mesh_cdb_node_alloc(prov_device.uuid,
prov_device.addr, data[0],
prov_device.net_idx);
if (prov_device.node == NULL) {
BT_ERR("Failed allocating node 0x%04x", prov_device.addr);
prov_fail(PROV_ERR_RESOURCES);
return;
}
memcpy(bt_mesh_prov_link.conf_inputs.capabilities, data, PDU_LEN_CAPABILITIES);
if (bt_mesh_prov->capabilities) {
bt_mesh_prov->capabilities(&caps);
}
if (!prov_check_method(&caps)) {
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
send_start();
}
static void send_confirm(void)
{
PROV_BUF(cfm, PDU_LEN_CONFIRM);
uint8_t *inputs = (uint8_t *)&bt_mesh_prov_link.conf_inputs;
BT_DBG("ConfInputs[0] %s", bt_hex(inputs, 64));
BT_DBG("ConfInputs[64] %s", bt_hex(&inputs[64], 64));
BT_DBG("ConfInputs[128] %s", bt_hex(&inputs[128], 17));
if (bt_mesh_prov_conf_salt(inputs, bt_mesh_prov_link.conf_salt)) {
BT_ERR("Unable to generate confirmation salt");
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
BT_DBG("ConfirmationSalt: %s", bt_hex(bt_mesh_prov_link.conf_salt, 16));
if (bt_mesh_prov_conf_key(bt_mesh_prov_link.dhkey,
bt_mesh_prov_link.conf_salt, bt_mesh_prov_link.conf_key)) {
BT_ERR("Unable to generate confirmation key");
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
BT_DBG("ConfirmationKey: %s", bt_hex(bt_mesh_prov_link.conf_key, 16));
if (bt_rand(bt_mesh_prov_link.rand, 16)) {
BT_ERR("Unable to generate random number");
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
BT_DBG("LocalRandom: %s", bt_hex(bt_mesh_prov_link.rand, 16));
bt_mesh_prov_buf_init(&cfm, PROV_CONFIRM);
if (bt_mesh_prov_conf(bt_mesh_prov_link.conf_key,
bt_mesh_prov_link.rand, bt_mesh_prov_link.auth,
bt_mesh_prov_link.conf)) {
BT_ERR("Unable to generate confirmation value");
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
net_buf_simple_add_mem(&cfm, bt_mesh_prov_link.conf, 16);
if (bt_mesh_prov_send(&cfm, NULL)) {
BT_ERR("Failed to send Provisioning Confirm");
return;
}
bt_mesh_prov_link.expect = PROV_CONFIRM;
}
static void public_key_sent(int err, void *cb_data)
{
atomic_set_bit(bt_mesh_prov_link.flags, PUB_KEY_SENT);
if (atomic_test_bit(bt_mesh_prov_link.flags, OOB_PUB_KEY) &&
atomic_test_bit(bt_mesh_prov_link.flags, REMOTE_PUB_KEY)) {
prov_dh_key_gen();
return;
}
}
static void send_pub_key(void)
{
PROV_BUF(buf, PDU_LEN_PUB_KEY);
const uint8_t *key;
key = bt_pub_key_get();
if (!key) {
BT_ERR("No public key available");
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
bt_mesh_prov_buf_init(&buf, PROV_PUB_KEY);
/* Swap X and Y halves independently to big-endian */
sys_memcpy_swap(net_buf_simple_add(&buf, BT_PUB_KEY_COORD_LEN), key, BT_PUB_KEY_COORD_LEN);
sys_memcpy_swap(net_buf_simple_add(&buf, BT_PUB_KEY_COORD_LEN), &key[BT_PUB_KEY_COORD_LEN],
BT_PUB_KEY_COORD_LEN);
BT_DBG("Local Public Key: %s", bt_hex(buf.data + 1, BT_PUB_KEY_LEN));
/* PublicKeyProvisioner */
memcpy(bt_mesh_prov_link.conf_inputs.pub_key_provisioner, &buf.data[1], PDU_LEN_PUB_KEY);
if (bt_mesh_prov_send(&buf, public_key_sent)) {
BT_ERR("Failed to send Public Key");
return;
}
bt_mesh_prov_link.expect = PROV_PUB_KEY;
}
static void prov_dh_key_cb(const uint8_t dhkey[BT_DH_KEY_LEN])
{
BT_DBG("%p", dhkey);
if (!dhkey) {
BT_ERR("DHKey generation failed");
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
sys_memcpy_swap(bt_mesh_prov_link.dhkey, dhkey, BT_DH_KEY_LEN);
BT_DBG("DHkey: %s", bt_hex(bt_mesh_prov_link.dhkey, BT_DH_KEY_LEN));
if (atomic_test_bit(bt_mesh_prov_link.flags, WAIT_STRING) ||
atomic_test_bit(bt_mesh_prov_link.flags, WAIT_NUMBER) ||
atomic_test_bit(bt_mesh_prov_link.flags, NOTIFY_INPUT_COMPLETE)) {
atomic_set_bit(bt_mesh_prov_link.flags, WAIT_CONFIRM);
return;
}
send_confirm();
}
static void prov_dh_key_gen(void)
{
uint8_t remote_pk_le[BT_PUB_KEY_LEN];
const uint8_t *remote_pk;
const uint8_t *local_pk;
local_pk = bt_mesh_prov_link.conf_inputs.pub_key_provisioner;
remote_pk = bt_mesh_prov_link.conf_inputs.pub_key_device;
/* Copy remote key in little-endian for bt_dh_key_gen().
* X and Y halves are swapped independently. The bt_dh_key_gen()
* will also take care of validating the remote public key.
*/
sys_memcpy_swap(remote_pk_le, remote_pk, BT_PUB_KEY_COORD_LEN);
sys_memcpy_swap(&remote_pk_le[BT_PUB_KEY_COORD_LEN], &remote_pk[BT_PUB_KEY_COORD_LEN],
BT_PUB_KEY_COORD_LEN);
if (!memcmp(local_pk, remote_pk, BT_PUB_KEY_LEN)) {
BT_ERR("Public keys are identical");
prov_fail(PROV_ERR_NVAL_FMT);
return;
}
if (bt_dh_key_gen(remote_pk_le, prov_dh_key_cb)) {
BT_ERR("Failed to generate DHKey");
prov_fail(PROV_ERR_UNEXP_ERR);
}
if (atomic_test_bit(bt_mesh_prov_link.flags, NOTIFY_INPUT_COMPLETE)) {
bt_mesh_prov_link.expect = PROV_INPUT_COMPLETE;
}
}
static void prov_pub_key(const uint8_t *data)
{
BT_DBG("Remote Public Key: %s", bt_hex(data, BT_PUB_KEY_LEN));
atomic_set_bit(bt_mesh_prov_link.flags, REMOTE_PUB_KEY);
/* PublicKeyDevice */
memcpy(bt_mesh_prov_link.conf_inputs.pub_key_device, data, BT_PUB_KEY_LEN);
bt_mesh_prov_link.bearer->clear_tx();
prov_dh_key_gen();
}
static void pub_key_ready(const uint8_t *pkey)
{
if (!pkey) {
BT_WARN("Public key not available");
return;
}
BT_DBG("Local public key ready");
if (atomic_test_and_clear_bit(bt_mesh_prov_link.flags, WAIT_PUB_KEY)) {
send_pub_key();
}
}
static void notify_input_complete(void)
{
if (atomic_test_and_clear_bit(bt_mesh_prov_link.flags,
NOTIFY_INPUT_COMPLETE) &&
bt_mesh_prov->input_complete) {
bt_mesh_prov->input_complete();
}
}
static void prov_input_complete(const uint8_t *data)
{
BT_DBG("");
notify_input_complete();
if (atomic_test_and_clear_bit(bt_mesh_prov_link.flags, WAIT_CONFIRM)) {
send_confirm();
}
}
static void send_prov_data(void)
{
PROV_BUF(pdu, PDU_LEN_DATA);
struct bt_mesh_cdb_subnet *sub;
uint8_t session_key[16];
uint8_t nonce[13];
int err;
err = bt_mesh_session_key(bt_mesh_prov_link.dhkey,
bt_mesh_prov_link.prov_salt, session_key);
if (err) {
BT_ERR("Unable to generate session key");
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
BT_DBG("SessionKey: %s", bt_hex(session_key, 16));
err = bt_mesh_prov_nonce(bt_mesh_prov_link.dhkey,
bt_mesh_prov_link.prov_salt, nonce);
if (err) {
BT_ERR("Unable to generate session nonce");
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
BT_DBG("Nonce: %s", bt_hex(nonce, 13));
err = bt_mesh_dev_key(bt_mesh_prov_link.dhkey,
bt_mesh_prov_link.prov_salt, prov_device.node->dev_key);
if (err) {
BT_ERR("Unable to generate device key");
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
BT_DBG("DevKey: %s", bt_hex(prov_device.node->dev_key, 16));
sub = bt_mesh_cdb_subnet_get(prov_device.node->net_idx);
if (sub == NULL) {
BT_ERR("No subnet with net_idx %u",
prov_device.node->net_idx);
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
bt_mesh_prov_buf_init(&pdu, PROV_DATA);
net_buf_simple_add_mem(&pdu, sub->keys[SUBNET_KEY_TX_IDX(sub)].net_key, 16);
net_buf_simple_add_be16(&pdu, prov_device.node->net_idx);
net_buf_simple_add_u8(&pdu, bt_mesh_cdb_subnet_flags(sub));
net_buf_simple_add_be32(&pdu, bt_mesh_cdb.iv_index);
net_buf_simple_add_be16(&pdu, prov_device.node->addr);
net_buf_simple_add(&pdu, 8); /* For MIC */
BT_DBG("net_idx %u, iv_index 0x%08x, addr 0x%04x",
prov_device.node->net_idx, bt_mesh.iv_index,
prov_device.node->addr);
err = bt_mesh_prov_encrypt(session_key, nonce, &pdu.data[1],
&pdu.data[1]);
if (err) {
BT_ERR("Unable to encrypt provisioning data");
prov_fail(PROV_ERR_DECRYPT);
return;
}
if (bt_mesh_prov_send(&pdu, NULL)) {
BT_ERR("Failed to send Provisioning Data");
return;
}
bt_mesh_prov_link.expect = PROV_COMPLETE;
}
static void prov_complete(const uint8_t *data)
{
struct bt_mesh_cdb_node *node = prov_device.node;
BT_DBG("key %s, net_idx %u, num_elem %u, addr 0x%04x",
bt_hex(node->dev_key, 16), node->net_idx, node->num_elem,
node->addr);
if (IS_ENABLED(CONFIG_BT_SETTINGS)) {
bt_mesh_cdb_node_store(node);
}
prov_device.node = NULL;
prov_link_close(PROV_BEARER_LINK_STATUS_SUCCESS);
if (bt_mesh_prov->node_added) {
bt_mesh_prov->node_added(node->net_idx, node->uuid, node->addr,
node->num_elem);
}
}
static void send_random(void)
{
PROV_BUF(rnd, PDU_LEN_RANDOM);
bt_mesh_prov_buf_init(&rnd, PROV_RANDOM);
net_buf_simple_add_mem(&rnd, bt_mesh_prov_link.rand, 16);
if (bt_mesh_prov_send(&rnd, NULL)) {
BT_ERR("Failed to send Provisioning Random");
return;
}
bt_mesh_prov_link.expect = PROV_RANDOM;
}
static void prov_random(const uint8_t *data)
{
uint8_t conf_verify[16];
BT_DBG("Remote Random: %s", bt_hex(data, 16));
if (!memcmp(data, bt_mesh_prov_link.rand, 16)) {
BT_ERR("Random value is identical to ours, rejecting.");
prov_fail(PROV_ERR_CFM_FAILED);
return;
}
if (bt_mesh_prov_conf(bt_mesh_prov_link.conf_key,
data, bt_mesh_prov_link.auth, conf_verify)) {
BT_ERR("Unable to calculate confirmation verification");
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
if (memcmp(conf_verify, bt_mesh_prov_link.conf, 16)) {
BT_ERR("Invalid confirmation value");
BT_DBG("Received: %s", bt_hex(bt_mesh_prov_link.conf, 16));
BT_DBG("Calculated: %s", bt_hex(conf_verify, 16));
prov_fail(PROV_ERR_CFM_FAILED);
return;
}
if (bt_mesh_prov_salt(bt_mesh_prov_link.conf_salt,
bt_mesh_prov_link.rand, data, bt_mesh_prov_link.prov_salt)) {
BT_ERR("Failed to generate provisioning salt");
prov_fail(PROV_ERR_UNEXP_ERR);
return;
}
BT_DBG("ProvisioningSalt: %s", bt_hex(bt_mesh_prov_link.prov_salt, 16));
send_prov_data();
}
static void prov_confirm(const uint8_t *data)
{
BT_DBG("Remote Confirm: %s", bt_hex(data, 16));
if (!memcmp(data, bt_mesh_prov_link.conf, 16)) {
BT_ERR("Confirm value is identical to ours, rejecting.");
prov_fail(PROV_ERR_CFM_FAILED);
return;
}
memcpy(bt_mesh_prov_link.conf, data, 16);
send_random();
}
static void prov_failed(const uint8_t *data)
{
BT_WARN("Error: 0x%02x", data[0]);
reset_state();
}
static void local_input_complete(void)
{
if (atomic_test_and_clear_bit(bt_mesh_prov_link.flags, WAIT_CONFIRM)) {
send_confirm();
}
}
static void prov_link_closed(void)
{
reset_state();
}
static void prov_link_opened(void)
{
send_invite();
}
static const struct bt_mesh_prov_role role_provisioner = {
.input_complete = local_input_complete,
.link_opened = prov_link_opened,
.link_closed = prov_link_closed,
.error = prov_fail,
.op = {
[PROV_CAPABILITIES] = prov_capabilities,
[PROV_PUB_KEY] = prov_pub_key,
[PROV_INPUT_COMPLETE] = prov_input_complete,
[PROV_CONFIRM] = prov_confirm,
[PROV_RANDOM] = prov_random,
[PROV_COMPLETE] = prov_complete,
[PROV_FAILED] = prov_failed,
},
};
static void prov_set_method(uint8_t method, uint8_t action, uint8_t size)
{
bt_mesh_prov_link.oob_method = method;
bt_mesh_prov_link.oob_action = action;
bt_mesh_prov_link.oob_size = size;
}
int bt_mesh_auth_method_set_input(bt_mesh_input_action_t action, uint8_t size)
{
if (!action || !size || size > PROV_IO_OOB_SIZE_MAX) {
return -EINVAL;
}
prov_set_method(AUTH_METHOD_INPUT, find_msb_set(action) - 1, size);
return 0;
}
int bt_mesh_auth_method_set_output(bt_mesh_output_action_t action, uint8_t size)
{
if (!action || !size || size > PROV_IO_OOB_SIZE_MAX) {
return -EINVAL;
}
prov_set_method(AUTH_METHOD_OUTPUT, find_msb_set(action) - 1, size);
return 0;
}
int bt_mesh_auth_method_set_static(const uint8_t *static_val, uint8_t size)
{
if (!size || !static_val || size > 16) {
return -EINVAL;
}
prov_set_method(AUTH_METHOD_STATIC, 0, 0);
memcpy(bt_mesh_prov_link.auth + 16 - size, static_val, size);
if (size < 16) {
(void)memset(bt_mesh_prov_link.auth, 0,
sizeof(bt_mesh_prov_link.auth) - size);
}
return 0;
}
int bt_mesh_auth_method_set_none(void)
{
prov_set_method(AUTH_METHOD_NO_OOB, 0, 0);
return 0;
}
int bt_mesh_prov_remote_pub_key_set(const uint8_t public_key[BT_PUB_KEY_LEN])
{
if (public_key == NULL) {
return -EINVAL;
}
if (atomic_test_and_set_bit(bt_mesh_prov_link.flags, REMOTE_PUB_KEY)) {
return -EALREADY;
}
memcpy(bt_mesh_prov_link.conf_inputs.pub_key_device, public_key, PDU_LEN_PUB_KEY);
return 0;
}
static int bt_mesh_provisioner_open(const struct prov_bearer *bearer,
const uint8_t uuid[16],
uint16_t net_idx, uint16_t addr,
uint8_t attention_duration)
{
int err;
if (atomic_test_and_set_bit(bt_mesh_prov_link.flags, LINK_ACTIVE)) {
return -EBUSY;
}
struct bt_uuid_128 uuid_repr = { .uuid = { BT_UUID_TYPE_128 } };
memcpy(uuid_repr.val, uuid, 16);
BT_DBG("Provisioning %s", bt_uuid_str(&uuid_repr.uuid));
atomic_set_bit(bt_mesh_prov_link.flags, PROVISIONER);
memcpy(prov_device.uuid, uuid, 16);
prov_device.addr = addr;
prov_device.net_idx = net_idx;
prov_device.attention_duration = attention_duration;
bt_mesh_prov_link.bearer = bearer;
bt_mesh_prov_link.role = &role_provisioner;
err = bt_mesh_prov_link.bearer->link_open(prov_device.uuid, PROTOCOL_TIMEOUT,
bt_mesh_prov_bearer_cb_get(), NULL);
if (err) {
atomic_clear_bit(bt_mesh_prov_link.flags, LINK_ACTIVE);
}
return err;
}
#if defined(CONFIG_BT_MESH_PB_ADV)
int bt_mesh_pb_adv_open(const uint8_t uuid[16], uint16_t net_idx, uint16_t addr,
uint8_t attention_duration)
{
return bt_mesh_provisioner_open(&pb_adv, uuid, net_idx, addr, attention_duration);
}
#endif
#if defined(CONFIG_BT_MESH_PB_GATT_CLIENT)
int bt_mesh_pb_gatt_open(const uint8_t uuid[16], uint16_t net_idx, uint16_t addr,
uint8_t attention_duration)
{
return bt_mesh_provisioner_open(&pb_gatt, uuid, net_idx, addr, attention_duration);
}
#endif