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esp-idf/components/bt/bluedroid/bta/dm/bta_dm_co.c
zhiweijian 4e81705ca2 Component/bt: support OOB in SMP
2018-10-25 07:09:59 +00:00

457 lines
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/******************************************************************************
*
* Copyright (C) 2009-2012 Broadcom Corporation
*
* 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 <stdio.h>
#include <stdlib.h>
#include "bta/bta_api.h"
#include "bta/bta_sys.h"
#include "bta/bta_dm_co.h"
#include "bta/bta_dm_ci.h"
#include "btc/btc_dm.h"
#if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE)
#include "common/bt_defs.h"
#if (BTM_OOB_INCLUDED == TRUE)
#include "btif_dm.h"
#endif
#endif /* #if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE) */
#if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE && SMP_INCLUDED == TRUE)
#include "common/bte_appl.h"
#define BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_DISABLE 0
#define BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_ENABLE 1
#define BTM_BLE_OOB_DISABLE 0
#define BTM_BLE_OOB_ENABLE 1
tBTE_APPL_CFG bte_appl_cfg = {
#if SMP_INCLUDED == TRUE
BTA_LE_AUTH_REQ_SC_MITM_BOND, // Authentication requirements
#else
BTM_AUTH_SPGB_YES, // Authentication requirements
#endif
BTM_LOCAL_IO_CAPS_BLE,
BTM_BLE_INITIATOR_KEY_SIZE,
BTM_BLE_RESPONDER_KEY_SIZE,
BTM_BLE_MAX_KEY_SIZE,
BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_DISABLE,
BTM_BLE_OOB_DISABLE,
};
#endif
#if (defined CLASSIC_BT_INCLUDED && CLASSIC_BT_INCLUDED == TRUE && BT_SSP_INCLUDED == TRUE)
#include "common/bte_appl.h"
#include "btm_int.h"
tBTE_BT_APPL_CFG bte_bt_appl_cfg = {
0, //Todo, Authentication requirements
BTM_LOCAL_IO_CAPS,
NULL, //Todo, OOB data
};
#endif
/*******************************************************************************
**
** Function bta_dm_co_get_compress_memory
**
** Description This callout function is executed by DM to get memory for compression
** Parameters id - BTA SYS ID
** memory_p - memory return by callout
** memory_size - memory size
**
** Returns TRUE for success, FALSE for fail.
**
*******************************************************************************/
BOOLEAN bta_dm_co_get_compress_memory(tBTA_SYS_ID id, UINT8 **memory_p, UINT32 *memory_size)
{
UNUSED(id);
UNUSED(memory_p);
UNUSED(memory_size);
return TRUE;
}
/*******************************************************************************
**
** Function bta_dm_co_bt_set_io_cap
**
** Description This function is used to set IO capabilities
**
** Parameters bt_io_cap - IO capabilities
**
** @return - ESP_BT_STATUS_SUCCESS : success
** - other : failed
**
*******************************************************************************/
esp_err_t bta_dm_co_bt_set_io_cap(UINT8 bt_io_cap)
{
esp_err_t ret = ESP_BT_STATUS_SUCCESS;
#if (BT_SSP_INCLUDED == TRUE)
if(bt_io_cap < BTM_IO_CAP_MAX ) {
bte_bt_appl_cfg.bt_io_cap = bt_io_cap;
btm_cb.devcb.loc_io_caps = bt_io_cap;
ret = ESP_BT_STATUS_SUCCESS;
} else {
ret = ESP_BT_STATUS_FAIL;
APPL_TRACE_ERROR("%s error:Invalid io cap value.",__func__);
}
#endif ///BT_SSP_INCLUDED == TRUE
return ret;
}
/*******************************************************************************
**
** Function bta_dm_co_io_req
**
** Description This callout function is executed by DM to get IO capabilities
** of the local device for the Simple Pairing process
**
** Parameters bd_addr - The peer device
** *p_io_cap - The local Input/Output capabilities
** *p_oob_data - TRUE, if OOB data is available for the peer device.
** *p_auth_req - TRUE, if MITM protection is required.
**
** Returns void.
**
*******************************************************************************/
void bta_dm_co_io_req(BD_ADDR bd_addr, tBTA_IO_CAP *p_io_cap, tBTA_OOB_DATA *p_oob_data,
tBTA_AUTH_REQ *p_auth_req, BOOLEAN is_orig)
{
UNUSED(bd_addr);
#if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE)
#if (BTM_OOB_INCLUDED == TRUE)
btif_dm_set_oob_for_io_req(p_oob_data);
#endif
btif_dm_proc_io_req(bd_addr, p_io_cap, p_oob_data, p_auth_req, is_orig);
#else
BTIF_TRACE_DEBUG("bta_dm_co_io_req: func not ported\n");
#endif /* #if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE) */
BTIF_TRACE_DEBUG("bta_dm_co_io_req *p_oob_data = %d", *p_oob_data);
BTIF_TRACE_DEBUG("bta_dm_co_io_req *p_io_cap = %d", *p_io_cap);
BTIF_TRACE_DEBUG("bta_dm_co_io_req *p_auth_req = %d", *p_auth_req);
BTIF_TRACE_DEBUG("bta_dm_co_io_req is_orig = %d", is_orig);
}
/*******************************************************************************
**
** Function bta_dm_co_io_rsp
**
** Description This callout function is executed by DM to report IO capabilities
** of the peer device for the Simple Pairing process
**
** Parameters bd_addr - The peer device
** io_cap - The remote Input/Output capabilities
** oob_data - TRUE, if OOB data is available for the peer device.
** auth_req - TRUE, if MITM protection is required.
**
** Returns void.
**
*******************************************************************************/
void bta_dm_co_io_rsp(BD_ADDR bd_addr, tBTA_IO_CAP io_cap,
tBTA_OOB_DATA oob_data, tBTA_AUTH_REQ auth_req)
{
#if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE)
btif_dm_proc_io_rsp(bd_addr, io_cap, oob_data, auth_req);
#else
BTIF_TRACE_DEBUG("bta_dm_co_io_rsp: func not ported\n");
#endif /* #if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE) */
}
/*******************************************************************************
**
** Function bta_dm_co_lk_upgrade
**
** Description This callout function is executed by DM to check if the
** platform wants allow link key upgrade
**
** Parameters bd_addr - The peer device
** *p_upgrade - TRUE, if link key upgrade is desired.
**
** Returns void.
**
*******************************************************************************/
void bta_dm_co_lk_upgrade(BD_ADDR bd_addr, BOOLEAN *p_upgrade )
{
UNUSED(bd_addr);
UNUSED(p_upgrade);
}
#if (BTM_OOB_INCLUDED == TRUE)
/*******************************************************************************
**
** Function bta_dm_co_loc_oob
**
** Description This callout function is executed by DM to report the OOB
** data of the local device for the Simple Pairing process
**
** Parameters valid - TRUE, if the local OOB data is retrieved from LM
** c - Simple Pairing Hash C
** r - Simple Pairing Randomnizer R
**
** Returns void.
**
*******************************************************************************/
void bta_dm_co_loc_oob(BOOLEAN valid, BT_OCTET16 c, BT_OCTET16 r)
{
#if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE)
BTIF_TRACE_DEBUG("bta_dm_co_loc_oob, valid = %d", valid);
#ifdef BTIF_DM_OOB_TEST
btif_dm_proc_loc_oob(valid, c, r);
#endif
#else
BTIF_TRACE_DEBUG("bta_dm_co_loc_oob: func not ported\n");
#endif /* #if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE) */
}
/*******************************************************************************
**
** Function bta_dm_co_rmt_oob
**
** Description This callout function is executed by DM to request the OOB
** data for the remote device for the Simple Pairing process
** Need to call bta_dm_ci_rmt_oob() in response
**
** Parameters bd_addr - The peer device
**
** Returns void.
**
*******************************************************************************/
void bta_dm_co_rmt_oob(BD_ADDR bd_addr)
{
BT_OCTET16 p_c;
BT_OCTET16 p_r;
BOOLEAN result = FALSE;
#ifdef BTIF_DM_OOB_TEST
#if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE)
result = btif_dm_proc_rmt_oob(bd_addr, p_c, p_r);
#else
BTIF_TRACE_DEBUG("bta_dm_rmt_oob: func not ported\n");
#endif /* #if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE) */
#endif
BTIF_TRACE_DEBUG("bta_dm_co_rmt_oob: result=%d", result);
bta_dm_ci_rmt_oob(result, bd_addr, p_c, p_r);
}
#endif /* BTM_OOB_INCLUDED */
// REMOVE FOR BLUEDROID ?
#if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE)
/*******************************************************************************
**
** Function bta_dm_co_le_io_key_req
**
** Description This callout function is executed by DM to get BLE key information
** before SMP pairing gets going.
**
** Parameters bd_addr - The peer device
** *p_max_key_size - max key size local device supported.
** *p_init_key - initiator keys.
** *p_resp_key - responder keys.
**
** Returns void.
**
*******************************************************************************/
void bta_dm_co_le_io_key_req(BD_ADDR bd_addr, UINT8 *p_max_key_size,
tBTA_LE_KEY_TYPE *p_init_key,
tBTA_LE_KEY_TYPE *p_resp_key )
{
UNUSED(bd_addr);
#if (SMP_INCLUDED == TRUE)
BTIF_TRACE_DEBUG("##################################");
BTIF_TRACE_DEBUG("bta_dm_co_le_io_key_req: only setting max size to 16");
BTIF_TRACE_DEBUG("##################################");
*p_max_key_size = 16;
*p_init_key = *p_resp_key =
(BTA_LE_KEY_PENC | BTA_LE_KEY_PID | BTA_LE_KEY_PCSRK | BTA_LE_KEY_LENC | BTA_LE_KEY_LID | BTA_LE_KEY_LCSRK);
#endif ///SMP_INCLUDED == TRUE
}
/*******************************************************************************
**
** Function bta_dm_co_ble_local_key_reload
**
** Description This callout function is to load the local BLE keys if available
** on the device.
**
** Parameters none
**
** Returns void.
**
*******************************************************************************/
void bta_dm_co_ble_load_local_keys(tBTA_DM_BLE_LOCAL_KEY_MASK *p_key_mask, BT_OCTET16 er,
tBTA_BLE_LOCAL_ID_KEYS *p_id_keys)
{
#if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE)
BTIF_TRACE_DEBUG("##################################");
BTIF_TRACE_DEBUG("bta_dm_co_ble_load_local_keys: Load local keys if any are persisted");
BTIF_TRACE_DEBUG("##################################");
btif_dm_get_ble_local_keys( p_key_mask, er, p_id_keys);
#endif ///defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE
#if (SMP_INCLUDED == TRUE)
btc_dm_get_ble_local_keys( p_key_mask, er, p_id_keys);
#endif ///SMP_INCLUDED == TRUE
}
/*******************************************************************************
**
** Function bta_dm_co_ble_io_req
**
** Description This callout function is executed by DM to get BLE IO capabilities
** before SMP pairing gets going.
**
** Parameters bd_addr - The peer device
** *p_io_cap - The local Input/Output capabilities
** *p_oob_data - TRUE, if OOB data is available for the peer device.
** *p_auth_req - Auth request setting (Bonding and MITM required or not)
** *p_max_key_size - max key size local device supported.
** *p_init_key - initiator keys.
** *p_resp_key - responder keys.
**
** Returns void.
**
*******************************************************************************/
void bta_dm_co_ble_io_req(BD_ADDR bd_addr, tBTA_IO_CAP *p_io_cap,
tBTA_OOB_DATA *p_oob_data,
tBTA_LE_AUTH_REQ *p_auth_req,
UINT8 *p_max_key_size,
tBTA_LE_KEY_TYPE *p_init_key,
tBTA_LE_KEY_TYPE *p_resp_key )
{
#if (SMP_INCLUDED == TRUE)
UNUSED(bd_addr);
/* if OOB is not supported, this call-out function does not need to do anything
* otherwise, look for the OOB data associated with the address and set *p_oob_data accordingly
* If the answer can not be obtained right away,
* set *p_oob_data to BTA_OOB_UNKNOWN and call bta_dm_ci_io_req() when the answer is available */
*p_oob_data = bte_appl_cfg.oob_support;
/* *p_auth_req by default is FALSE for devices with NoInputNoOutput; TRUE for other devices. */
*p_auth_req = bte_appl_cfg.ble_auth_req | (bte_appl_cfg.ble_auth_req & BTA_LE_AUTH_REQ_MITM) | ((*p_auth_req) & BTA_LE_AUTH_REQ_MITM);
if (*p_oob_data == BTM_BLE_OOB_ENABLE) {
*p_auth_req = (*p_auth_req)&(~BTA_LE_AUTH_REQ_SC_ONLY);
}
if (bte_appl_cfg.ble_io_cap <= 4) {
*p_io_cap = bte_appl_cfg.ble_io_cap;
}
if (bte_appl_cfg.ble_init_key <= BTM_BLE_INITIATOR_KEY_SIZE) {
*p_init_key = bte_appl_cfg.ble_init_key;
}
if (bte_appl_cfg.ble_resp_key <= BTM_BLE_RESPONDER_KEY_SIZE) {
*p_resp_key = bte_appl_cfg.ble_resp_key;
}
if (bte_appl_cfg.ble_max_key_size > 7 && bte_appl_cfg.ble_max_key_size <= 16) {
*p_max_key_size = bte_appl_cfg.ble_max_key_size;
}
#endif ///SMP_INCLUDED == TRUE
}
void bta_dm_co_ble_set_io_cap(UINT8 ble_io_cap)
{
#if (SMP_INCLUDED == TRUE)
if(ble_io_cap < BTM_IO_CAP_MAX ) {
bte_appl_cfg.ble_io_cap = ble_io_cap;
} else {
APPL_TRACE_ERROR("%s error:Invalid io cap value.",__func__);
}
#endif ///SMP_INCLUDED == TRUE
}
void bta_dm_co_ble_set_auth_req(UINT8 ble_auth_req)
{
#if (SMP_INCLUDED == TRUE)
bte_appl_cfg.ble_auth_req = ble_auth_req;
#endif ///SMP_INCLUDED == TRUE
}
void bta_dm_co_ble_set_init_key_req(UINT8 init_key)
{
#if (SMP_INCLUDED == TRUE)
init_key &= 0x0f; // 4~7bit reservd, only used the 0~3bit
bte_appl_cfg.ble_init_key &= init_key;
#endif ///SMP_INCLUDED == TRUE
}
void bta_dm_co_ble_set_rsp_key_req(UINT8 rsp_key)
{
#if (SMP_INCLUDED == TRUE)
rsp_key &= 0x0f; // 4~7bit reservd, only used the 0~3bit
bte_appl_cfg.ble_resp_key &= rsp_key;
#endif ///SMP_INCLUDED == TRUE
}
void bta_dm_co_ble_set_max_key_size(UINT8 ble_key_size)
{
#if (SMP_INCLUDED == TRUE)
if(ble_key_size >= BTM_BLE_MIN_KEY_SIZE && ble_key_size <= BTM_BLE_MAX_KEY_SIZE) {
bte_appl_cfg.ble_max_key_size = ble_key_size;
} else {
APPL_TRACE_ERROR("%s error:Invalid key size value, key_size =%d",__func__, ble_key_size);
}
#endif ///SMP_INCLUDED == TRUE
}
void bta_dm_co_ble_set_accept_auth_enable(UINT8 enable)
{
#if (SMP_INCLUDED == TRUE)
if (enable) {
enable = BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_ENABLE;
}
bte_appl_cfg.ble_accept_auth_enable = enable;
#endif ///SMP_INCLUDED == TRUE
}
UINT8 bta_dm_co_ble_get_accept_auth_enable(void)
{
#if (SMP_INCLUDED == TRUE)
return bte_appl_cfg.ble_accept_auth_enable;
#endif ///SMP_INCLUDED == TRUE
return 0;
}
UINT8 bta_dm_co_ble_get_auth_req(void)
{
#if (SMP_INCLUDED == TRUE)
return bte_appl_cfg.ble_auth_req;
#endif ///SMP_INCLUDED == TRUE
return 0;
}
void bta_dm_co_ble_oob_support(UINT8 enable)
{
#if (SMP_INCLUDED == TRUE)
if (enable) {
bte_appl_cfg.oob_support = BTM_BLE_OOB_ENABLE;
} else {
bte_appl_cfg.oob_support = BTM_BLE_OOB_DISABLE;
}
#endif ///SMP_INCLUDED == TRUE
}
#endif
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