- Backport of IDF MR!6122. - Modifies `smp_utils.c` to add check on encryption key size received from peer. - Modifies `esp_ble_gap_set_security_param` API to add minimum encryption key size requirement.
468 lines
16 KiB
C
468 lines
16 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2009-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include "bta/bta_api.h"
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#include "bta/bta_sys.h"
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#include "bta/bta_dm_co.h"
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#include "bta/bta_dm_ci.h"
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#include "btc/btc_dm.h"
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#if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE)
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#include "common/bt_defs.h"
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#if (BTM_OOB_INCLUDED == TRUE)
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#include "btif_dm.h"
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#endif
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#endif /* #if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE) */
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#if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE && SMP_INCLUDED == TRUE)
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#include "common/bte_appl.h"
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#define BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_DISABLE 0
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#define BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_ENABLE 1
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#define BTM_BLE_OOB_DISABLE 0
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#define BTM_BLE_OOB_ENABLE 1
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tBTE_APPL_CFG bte_appl_cfg = {
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#if SMP_INCLUDED == TRUE
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BTA_LE_AUTH_REQ_SC_MITM_BOND, // Authentication requirements
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#else
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BTM_AUTH_SPGB_YES, // Authentication requirements
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#endif
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BTM_LOCAL_IO_CAPS_BLE,
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BTM_BLE_INITIATOR_KEY_SIZE,
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BTM_BLE_RESPONDER_KEY_SIZE,
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BTM_BLE_MAX_KEY_SIZE,
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BTM_BLE_MIN_KEY_SIZE,
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BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_DISABLE,
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BTM_BLE_OOB_DISABLE,
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};
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#endif
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#if (defined CLASSIC_BT_INCLUDED && CLASSIC_BT_INCLUDED == TRUE && BT_SSP_INCLUDED == TRUE)
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#include "common/bte_appl.h"
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#include "btm_int.h"
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tBTE_BT_APPL_CFG bte_bt_appl_cfg = {
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0, //Todo, Authentication requirements
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BTM_LOCAL_IO_CAPS,
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NULL, //Todo, OOB data
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};
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#endif
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/*******************************************************************************
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**
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** Function bta_dm_co_get_compress_memory
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**
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** Description This callout function is executed by DM to get memory for compression
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** Parameters id - BTA SYS ID
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** memory_p - memory return by callout
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** memory_size - memory size
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**
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** Returns TRUE for success, FALSE for fail.
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**
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*******************************************************************************/
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BOOLEAN bta_dm_co_get_compress_memory(tBTA_SYS_ID id, UINT8 **memory_p, UINT32 *memory_size)
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{
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UNUSED(id);
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UNUSED(memory_p);
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UNUSED(memory_size);
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return TRUE;
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}
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/*******************************************************************************
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**
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** Function bta_dm_co_bt_set_io_cap
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**
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** Description This function is used to set IO capabilities
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**
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** Parameters bt_io_cap - IO capabilities
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**
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** @return - ESP_BT_STATUS_SUCCESS : success
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** - other : failed
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**
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*******************************************************************************/
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esp_err_t bta_dm_co_bt_set_io_cap(UINT8 bt_io_cap)
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{
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esp_err_t ret = ESP_BT_STATUS_SUCCESS;
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#if (BT_SSP_INCLUDED == TRUE)
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if(bt_io_cap < BTM_IO_CAP_MAX ) {
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bte_bt_appl_cfg.bt_io_cap = bt_io_cap;
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btm_cb.devcb.loc_io_caps = bt_io_cap;
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ret = ESP_BT_STATUS_SUCCESS;
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} else {
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ret = ESP_BT_STATUS_FAIL;
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APPL_TRACE_ERROR("%s error:Invalid io cap value.",__func__);
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}
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#endif ///BT_SSP_INCLUDED == TRUE
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return ret;
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}
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/*******************************************************************************
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**
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** Function bta_dm_co_io_req
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**
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** Description This callout function is executed by DM to get IO capabilities
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** of the local device for the Simple Pairing process
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**
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** Parameters bd_addr - The peer device
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** *p_io_cap - The local Input/Output capabilities
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** *p_oob_data - TRUE, if OOB data is available for the peer device.
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** *p_auth_req - TRUE, if MITM protection is required.
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**
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** Returns void.
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**
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*******************************************************************************/
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void bta_dm_co_io_req(BD_ADDR bd_addr, tBTA_IO_CAP *p_io_cap, tBTA_OOB_DATA *p_oob_data,
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tBTA_AUTH_REQ *p_auth_req, BOOLEAN is_orig)
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{
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UNUSED(bd_addr);
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#if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE)
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#if (BTM_OOB_INCLUDED == TRUE)
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btif_dm_set_oob_for_io_req(p_oob_data);
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#endif
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btif_dm_proc_io_req(bd_addr, p_io_cap, p_oob_data, p_auth_req, is_orig);
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#else
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BTIF_TRACE_DEBUG("bta_dm_co_io_req: func not ported\n");
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#endif /* #if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE) */
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BTIF_TRACE_DEBUG("bta_dm_co_io_req *p_oob_data = %d", *p_oob_data);
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BTIF_TRACE_DEBUG("bta_dm_co_io_req *p_io_cap = %d", *p_io_cap);
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BTIF_TRACE_DEBUG("bta_dm_co_io_req *p_auth_req = %d", *p_auth_req);
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BTIF_TRACE_DEBUG("bta_dm_co_io_req is_orig = %d", is_orig);
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}
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/*******************************************************************************
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**
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** Function bta_dm_co_io_rsp
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**
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** Description This callout function is executed by DM to report IO capabilities
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** of the peer device for the Simple Pairing process
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**
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** Parameters bd_addr - The peer device
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** io_cap - The remote Input/Output capabilities
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** oob_data - TRUE, if OOB data is available for the peer device.
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** auth_req - TRUE, if MITM protection is required.
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**
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** Returns void.
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**
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*******************************************************************************/
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void bta_dm_co_io_rsp(BD_ADDR bd_addr, tBTA_IO_CAP io_cap,
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tBTA_OOB_DATA oob_data, tBTA_AUTH_REQ auth_req)
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{
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#if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE)
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btif_dm_proc_io_rsp(bd_addr, io_cap, oob_data, auth_req);
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#else
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BTIF_TRACE_DEBUG("bta_dm_co_io_rsp: func not ported\n");
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#endif /* #if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE) */
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}
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/*******************************************************************************
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**
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** Function bta_dm_co_lk_upgrade
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**
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** Description This callout function is executed by DM to check if the
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** platform wants allow link key upgrade
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**
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** Parameters bd_addr - The peer device
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** *p_upgrade - TRUE, if link key upgrade is desired.
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**
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** Returns void.
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**
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*******************************************************************************/
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void bta_dm_co_lk_upgrade(BD_ADDR bd_addr, BOOLEAN *p_upgrade )
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{
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UNUSED(bd_addr);
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UNUSED(p_upgrade);
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}
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#if (BTM_OOB_INCLUDED == TRUE)
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/*******************************************************************************
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**
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** Function bta_dm_co_loc_oob
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**
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** Description This callout function is executed by DM to report the OOB
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** data of the local device for the Simple Pairing process
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**
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** Parameters valid - TRUE, if the local OOB data is retrieved from LM
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** c - Simple Pairing Hash C
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** r - Simple Pairing Randomnizer R
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**
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** Returns void.
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**
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*******************************************************************************/
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void bta_dm_co_loc_oob(BOOLEAN valid, BT_OCTET16 c, BT_OCTET16 r)
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{
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#if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE)
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BTIF_TRACE_DEBUG("bta_dm_co_loc_oob, valid = %d", valid);
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#ifdef BTIF_DM_OOB_TEST
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btif_dm_proc_loc_oob(valid, c, r);
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#endif
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#else
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BTIF_TRACE_DEBUG("bta_dm_co_loc_oob: func not ported\n");
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#endif /* #if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE) */
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}
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/*******************************************************************************
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**
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** Function bta_dm_co_rmt_oob
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**
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** Description This callout function is executed by DM to request the OOB
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** data for the remote device for the Simple Pairing process
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** Need to call bta_dm_ci_rmt_oob() in response
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**
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** Parameters bd_addr - The peer device
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**
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** Returns void.
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**
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*******************************************************************************/
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void bta_dm_co_rmt_oob(BD_ADDR bd_addr)
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{
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BT_OCTET16 p_c;
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BT_OCTET16 p_r;
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BOOLEAN result = FALSE;
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#ifdef BTIF_DM_OOB_TEST
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#if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE)
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result = btif_dm_proc_rmt_oob(bd_addr, p_c, p_r);
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#else
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BTIF_TRACE_DEBUG("bta_dm_rmt_oob: func not ported\n");
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#endif /* #if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE) */
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#endif
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BTIF_TRACE_DEBUG("bta_dm_co_rmt_oob: result=%d", result);
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bta_dm_ci_rmt_oob(result, bd_addr, p_c, p_r);
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}
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#endif /* BTM_OOB_INCLUDED */
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// REMOVE FOR BLUEDROID ?
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#if (defined BLE_INCLUDED && BLE_INCLUDED == TRUE)
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/*******************************************************************************
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**
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** Function bta_dm_co_le_io_key_req
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**
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** Description This callout function is executed by DM to get BLE key information
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** before SMP pairing gets going.
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**
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** Parameters bd_addr - The peer device
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** *p_max_key_size - max key size local device supported.
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** *p_init_key - initiator keys.
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** *p_resp_key - responder keys.
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**
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** Returns void.
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**
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*******************************************************************************/
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void bta_dm_co_le_io_key_req(BD_ADDR bd_addr, UINT8 *p_max_key_size,
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tBTA_LE_KEY_TYPE *p_init_key,
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tBTA_LE_KEY_TYPE *p_resp_key )
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{
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UNUSED(bd_addr);
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#if (SMP_INCLUDED == TRUE)
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BTIF_TRACE_DEBUG("##################################");
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BTIF_TRACE_DEBUG("bta_dm_co_le_io_key_req: only setting max size to 16");
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BTIF_TRACE_DEBUG("##################################");
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*p_max_key_size = 16;
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*p_init_key = *p_resp_key =
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(BTA_LE_KEY_PENC | BTA_LE_KEY_PID | BTA_LE_KEY_PCSRK | BTA_LE_KEY_LENC | BTA_LE_KEY_LID | BTA_LE_KEY_LCSRK);
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#endif ///SMP_INCLUDED == TRUE
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}
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/*******************************************************************************
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**
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** Function bta_dm_co_ble_local_key_reload
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**
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** Description This callout function is to load the local BLE keys if available
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** on the device.
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**
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** Parameters none
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**
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** Returns void.
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**
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*******************************************************************************/
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void bta_dm_co_ble_load_local_keys(tBTA_DM_BLE_LOCAL_KEY_MASK *p_key_mask, BT_OCTET16 er,
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tBTA_BLE_LOCAL_ID_KEYS *p_id_keys)
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{
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#if (defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE)
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BTIF_TRACE_DEBUG("##################################");
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BTIF_TRACE_DEBUG("bta_dm_co_ble_load_local_keys: Load local keys if any are persisted");
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BTIF_TRACE_DEBUG("##################################");
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btif_dm_get_ble_local_keys( p_key_mask, er, p_id_keys);
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#endif ///defined(BTIF_INCLUDED) && BTIF_INCLUDED == TRUE
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#if (SMP_INCLUDED == TRUE)
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btc_dm_get_ble_local_keys( p_key_mask, er, p_id_keys);
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#endif ///SMP_INCLUDED == TRUE
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}
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/*******************************************************************************
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**
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** Function bta_dm_co_ble_io_req
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**
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** Description This callout function is executed by DM to get BLE IO capabilities
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** before SMP pairing gets going.
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**
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** Parameters bd_addr - The peer device
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** *p_io_cap - The local Input/Output capabilities
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** *p_oob_data - TRUE, if OOB data is available for the peer device.
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** *p_auth_req - Auth request setting (Bonding and MITM required or not)
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** *p_max_key_size - max key size local device supported.
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** *p_init_key - initiator keys.
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** *p_resp_key - responder keys.
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**
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** Returns void.
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**
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*******************************************************************************/
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void bta_dm_co_ble_io_req(BD_ADDR bd_addr, tBTA_IO_CAP *p_io_cap,
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tBTA_OOB_DATA *p_oob_data,
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tBTA_LE_AUTH_REQ *p_auth_req,
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UINT8 *p_max_key_size,
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tBTA_LE_KEY_TYPE *p_init_key,
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tBTA_LE_KEY_TYPE *p_resp_key )
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{
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#if (SMP_INCLUDED == TRUE)
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UNUSED(bd_addr);
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/* if OOB is not supported, this call-out function does not need to do anything
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* otherwise, look for the OOB data associated with the address and set *p_oob_data accordingly
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* If the answer can not be obtained right away,
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* set *p_oob_data to BTA_OOB_UNKNOWN and call bta_dm_ci_io_req() when the answer is available */
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*p_oob_data = bte_appl_cfg.oob_support;
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/* *p_auth_req by default is FALSE for devices with NoInputNoOutput; TRUE for other devices. */
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*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);
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if (*p_oob_data == BTM_BLE_OOB_ENABLE) {
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*p_auth_req = (*p_auth_req)&(~BTA_LE_AUTH_REQ_SC_ONLY);
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}
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if (bte_appl_cfg.ble_io_cap <= 4) {
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*p_io_cap = bte_appl_cfg.ble_io_cap;
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}
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if (bte_appl_cfg.ble_init_key <= BTM_BLE_INITIATOR_KEY_SIZE) {
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*p_init_key = bte_appl_cfg.ble_init_key;
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}
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if (bte_appl_cfg.ble_resp_key <= BTM_BLE_RESPONDER_KEY_SIZE) {
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*p_resp_key = bte_appl_cfg.ble_resp_key;
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}
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if (bte_appl_cfg.ble_max_key_size > 7 && bte_appl_cfg.ble_max_key_size <= 16) {
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*p_max_key_size = bte_appl_cfg.ble_max_key_size;
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}
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#endif ///SMP_INCLUDED == TRUE
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}
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void bta_dm_co_ble_set_io_cap(UINT8 ble_io_cap)
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{
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#if (SMP_INCLUDED == TRUE)
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if(ble_io_cap < BTM_IO_CAP_MAX ) {
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bte_appl_cfg.ble_io_cap = ble_io_cap;
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} else {
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APPL_TRACE_ERROR("%s error:Invalid io cap value.",__func__);
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}
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#endif ///SMP_INCLUDED == TRUE
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}
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void bta_dm_co_ble_set_auth_req(UINT8 ble_auth_req)
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{
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#if (SMP_INCLUDED == TRUE)
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bte_appl_cfg.ble_auth_req = ble_auth_req;
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#endif ///SMP_INCLUDED == TRUE
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}
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void bta_dm_co_ble_set_init_key_req(UINT8 init_key)
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{
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#if (SMP_INCLUDED == TRUE)
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init_key &= 0x0f; // 4~7bit reservd, only used the 0~3bit
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bte_appl_cfg.ble_init_key &= init_key;
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#endif ///SMP_INCLUDED == TRUE
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}
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void bta_dm_co_ble_set_rsp_key_req(UINT8 rsp_key)
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{
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#if (SMP_INCLUDED == TRUE)
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rsp_key &= 0x0f; // 4~7bit reservd, only used the 0~3bit
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bte_appl_cfg.ble_resp_key &= rsp_key;
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#endif ///SMP_INCLUDED == TRUE
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}
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void bta_dm_co_ble_set_max_key_size(UINT8 ble_key_size)
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{
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#if (SMP_INCLUDED == TRUE)
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if(ble_key_size >= bte_appl_cfg.ble_min_key_size && ble_key_size <= BTM_BLE_MAX_KEY_SIZE) {
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bte_appl_cfg.ble_max_key_size = ble_key_size;
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} else {
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APPL_TRACE_ERROR("%s error:Invalid key size value, key_size =%d",__func__, ble_key_size);
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}
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#endif ///SMP_INCLUDED == TRUE
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}
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void bta_dm_co_ble_set_min_key_size(UINT8 ble_key_size)
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{
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#if (SMP_INCLUDED == TRUE)
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if(ble_key_size >= BTM_BLE_MIN_KEY_SIZE && ble_key_size <= bte_appl_cfg.ble_max_key_size) {
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bte_appl_cfg.ble_min_key_size = ble_key_size;
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} else {
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APPL_TRACE_ERROR("%s error:Invalid key size value, key_size =%d",__func__, ble_key_size);
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}
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#endif ///SMP_INCLUDED == TRUE
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}
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void bta_dm_co_ble_set_accept_auth_enable(UINT8 enable)
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{
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#if (SMP_INCLUDED == TRUE)
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if (enable) {
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enable = BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_ENABLE;
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}
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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
|
|
|