mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
63e5cbbd66
component/bt: Added the Macro for the classic BT support. component/bt: added the bluedroid deinit method. component/bt: allow more classic BT global variables to use dynamic allocation scheme 1. allocate memory for AVDT, AVCT control blocks when dynamic memory is used 2. allow SBC decoder buffer to use dynamic allocation scheme component/bt: Remove the wrong changes in bt/Kconfig & Added the GATTS_INCLUDED in the gatt_free function when gatt service close. component/bt: Shorten the abbreviation BT_ALLOCATION_FROM_SPIRAM_FIRST and BT_BLE_DYNAMIC_ENV_MEMORY two macros.
592 lines
20 KiB
C
592 lines
20 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2008-2012 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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/******************************************************************************
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*
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* This file contains the implementation of the SMP interface used by
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* applications that can run over an SMP.
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*
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******************************************************************************/
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#include <string.h>
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#include "bt_target.h"
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//#include "bt_utils.h"
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#if SMP_INCLUDED == TRUE
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#include "smp_int.h"
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#include "smp_api.h"
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#include "l2cdefs.h"
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#include "l2c_int.h"
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#include "btm_int.h"
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#include "hcimsgs.h"
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#include "btu.h"
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#include "p_256_ecc_pp.h"
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#include "allocator.h"
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/*******************************************************************************
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**
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** Function SMP_Init
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**
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** Description This function initializes the SMP unit.
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**
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** Returns void
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**
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*******************************************************************************/
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void SMP_Init(void)
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{
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#if SMP_DYNAMIC_MEMORY
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smp_cb_ptr = (tSMP_CB *)osi_malloc(sizeof(tSMP_CB));
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#endif
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memset(&smp_cb, 0, sizeof(tSMP_CB));
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#if defined(SMP_INITIAL_TRACE_LEVEL)
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smp_cb.trace_level = SMP_INITIAL_TRACE_LEVEL;
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#else
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smp_cb.trace_level = BT_TRACE_LEVEL_NONE; /* No traces */
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#endif
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SMP_TRACE_EVENT ("%s", __FUNCTION__);
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smp_l2cap_if_init();
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/* initialization of P-256 parameters */
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p_256_init_curve(KEY_LENGTH_DWORDS_P256);
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}
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void SMP_Free(void)
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{
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memset(&smp_cb, 0, sizeof(tSMP_CB));
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#if SMP_DYNAMIC_MEMORY
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FREE_AND_RESET(smp_cb_ptr);
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#endif /* #if SMP_DYNAMIC_MEMORY */
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}
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/*******************************************************************************
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**
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** Function SMP_SetTraceLevel
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**
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** Description This function sets the trace level for SMP. If called with
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** a value of 0xFF, it simply returns the current trace level.
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**
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** Input Parameters:
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** level: The level to set the GATT tracing to:
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** 0xff-returns the current setting.
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** 0-turns off tracing.
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** >= 1-Errors.
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** >= 2-Warnings.
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** >= 3-APIs.
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** >= 4-Events.
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** >= 5-Debug.
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**
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** Returns The new or current trace level
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**
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*******************************************************************************/
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extern UINT8 SMP_SetTraceLevel (UINT8 new_level)
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{
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if (new_level != 0xFF) {
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smp_cb.trace_level = new_level;
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}
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return (smp_cb.trace_level);
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}
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/*******************************************************************************
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**
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** Function SMP_Register
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**
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** Description This function register for the SMP services callback.
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**
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** Returns void
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**
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*******************************************************************************/
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BOOLEAN SMP_Register (tSMP_CALLBACK *p_cback)
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{
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SMP_TRACE_EVENT ("SMP_Register state=%d", smp_cb.state);
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if (smp_cb.p_callback != NULL) {
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SMP_TRACE_ERROR ("SMP_Register: duplicate registration, overwrite it");
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}
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smp_cb.p_callback = p_cback;
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return (TRUE);
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}
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/*******************************************************************************
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**
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** Function SMP_Pair
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**
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** Description This function call to perform a SMP pairing with peer device.
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** Device support one SMP pairing at one time.
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**
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** Parameters bd_addr - peer device bd address.
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**
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** Returns None
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**
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*******************************************************************************/
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tSMP_STATUS SMP_Pair (BD_ADDR bd_addr)
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{
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tSMP_CB *p_cb = &smp_cb;
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UINT8 status = SMP_PAIR_INTERNAL_ERR;
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SMP_TRACE_EVENT ("%s state=%d br_state=%d flag=0x%x \n",
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__FUNCTION__, p_cb->state, p_cb->br_state, p_cb->flags);
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if (p_cb->state != SMP_STATE_IDLE || p_cb->flags & SMP_PAIR_FLAGS_WE_STARTED_DD ||
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p_cb->smp_over_br) {
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/* pending security on going, reject this one */
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return SMP_BUSY;
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} else {
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p_cb->flags = SMP_PAIR_FLAGS_WE_STARTED_DD;
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memcpy (p_cb->pairing_bda, bd_addr, BD_ADDR_LEN);
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if (!L2CA_ConnectFixedChnl (L2CAP_SMP_CID, bd_addr)) {
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SMP_TRACE_ERROR("%s: L2C connect fixed channel failed.\n", __FUNCTION__);
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smp_sm_event(p_cb, SMP_AUTH_CMPL_EVT, &status);
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return status;
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}
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return SMP_STARTED;
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}
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}
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/*******************************************************************************
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**
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** Function SMP_BR_PairWith
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**
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** Description This function is called to start a SMP pairing over BR/EDR.
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** Device support one SMP pairing at one time.
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**
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** Parameters bd_addr - peer device bd address.
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**
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** Returns SMP_STARTED if pairing started, otherwise reason for failure.
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**
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*******************************************************************************/
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tSMP_STATUS SMP_BR_PairWith (BD_ADDR bd_addr)
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{
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tSMP_CB *p_cb = &smp_cb;
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UINT8 status = SMP_PAIR_INTERNAL_ERR;
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SMP_TRACE_EVENT ("%s state=%d br_state=%d flag=0x%x ",
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__func__, p_cb->state, p_cb->br_state, p_cb->flags);
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if (p_cb->state != SMP_STATE_IDLE ||
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p_cb->smp_over_br ||
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p_cb->flags & SMP_PAIR_FLAGS_WE_STARTED_DD) {
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/* pending security on going, reject this one */
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return SMP_BUSY;
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}
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p_cb->role = HCI_ROLE_MASTER;
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p_cb->flags = SMP_PAIR_FLAGS_WE_STARTED_DD;
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p_cb->smp_over_br = TRUE;
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memcpy (p_cb->pairing_bda, bd_addr, BD_ADDR_LEN);
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if (!L2CA_ConnectFixedChnl (L2CAP_SMP_BR_CID, bd_addr)) {
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SMP_TRACE_ERROR("%s: L2C connect fixed channel failed.", __FUNCTION__);
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smp_br_state_machine_event(p_cb, SMP_BR_AUTH_CMPL_EVT, &status);
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return status;
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}
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return SMP_STARTED;
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}
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/*******************************************************************************
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**
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** Function SMP_PairCancel
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**
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** Description This function call to cancel a SMP pairing with peer device.
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**
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** Parameters bd_addr - peer device bd address.
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**
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** Returns TRUE - Pairining is cancelled
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**
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*******************************************************************************/
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BOOLEAN SMP_PairCancel (BD_ADDR bd_addr)
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{
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tSMP_CB *p_cb = &smp_cb;
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UINT8 err_code = SMP_PAIR_FAIL_UNKNOWN;
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BOOLEAN status = FALSE;
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BTM_TRACE_EVENT ("SMP_CancelPair state=%d flag=0x%x ", p_cb->state, p_cb->flags);
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if ( (p_cb->state != SMP_STATE_IDLE) &&
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(!memcmp (p_cb->pairing_bda, bd_addr, BD_ADDR_LEN)) ) {
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p_cb->is_pair_cancel = TRUE;
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SMP_TRACE_DEBUG("Cancel Pairing: set fail reason Unknown");
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smp_sm_event(p_cb, SMP_AUTH_CMPL_EVT, &err_code);
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status = TRUE;
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}
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return status;
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}
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/*******************************************************************************
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**
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** Function SMP_SecurityGrant
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**
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** Description This function is called to grant security process.
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**
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** Parameters bd_addr - peer device bd address.
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** res - result of the operation SMP_SUCCESS if success.
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** Otherwise, SMP_REPEATED_ATTEMPTS is too many attempts.
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**
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** Returns None
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**
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*******************************************************************************/
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void SMP_SecurityGrant(BD_ADDR bd_addr, UINT8 res)
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{
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SMP_TRACE_EVENT ("SMP_SecurityGrant ");
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if (smp_cb.smp_over_br) {
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if (smp_cb.br_state != SMP_BR_STATE_WAIT_APP_RSP ||
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smp_cb.cb_evt != SMP_SEC_REQUEST_EVT ||
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memcmp (smp_cb.pairing_bda, bd_addr, BD_ADDR_LEN)) {
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return;
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}
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/* clear the SMP_SEC_REQUEST_EVT event after get grant */
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/* avoid generating duplicate pair request */
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smp_cb.cb_evt = 0;
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smp_br_state_machine_event(&smp_cb, SMP_BR_API_SEC_GRANT_EVT, &res);
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return;
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}
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if (smp_cb.state != SMP_STATE_WAIT_APP_RSP ||
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smp_cb.cb_evt != SMP_SEC_REQUEST_EVT ||
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memcmp (smp_cb.pairing_bda, bd_addr, BD_ADDR_LEN)) {
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return;
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}
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/* clear the SMP_SEC_REQUEST_EVT event after get grant */
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/* avoid generate duplicate pair request */
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smp_cb.cb_evt = 0;
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smp_sm_event(&smp_cb, SMP_API_SEC_GRANT_EVT, &res);
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}
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/*******************************************************************************
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**
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** Function SMP_PasskeyReply
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**
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** Description This function is called after Security Manager submitted
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** passkey request to the application.
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**
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** Parameters: bd_addr - Address of the device for which passkey was requested
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** res - result of the operation SMP_SUCCESS if success
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** passkey - numeric value in the range of
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** BTM_MIN_PASSKEY_VAL(0) - BTM_MAX_PASSKEY_VAL(999999(0xF423F)).
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**
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*******************************************************************************/
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void SMP_PasskeyReply (BD_ADDR bd_addr, UINT8 res, UINT32 passkey)
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{
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tSMP_CB *p_cb = & smp_cb;
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UINT8 failure = SMP_PASSKEY_ENTRY_FAIL;
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SMP_TRACE_EVENT ("SMP_PasskeyReply: Key: %d Result:%d",
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passkey, res);
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/* If timeout already expired or has been canceled, ignore the reply */
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if (p_cb->cb_evt != SMP_PASSKEY_REQ_EVT) {
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SMP_TRACE_WARNING ("SMP_PasskeyReply() - Wrong State: %d", p_cb->state);
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return;
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}
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if (memcmp (bd_addr, p_cb->pairing_bda, BD_ADDR_LEN) != 0) {
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SMP_TRACE_ERROR ("SMP_PasskeyReply() - Wrong BD Addr");
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return;
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}
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if (btm_find_dev (bd_addr) == NULL) {
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SMP_TRACE_ERROR ("SMP_PasskeyReply() - no dev CB");
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return;
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}
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if (passkey > BTM_MAX_PASSKEY_VAL || res != SMP_SUCCESS) {
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SMP_TRACE_WARNING ("SMP_PasskeyReply() - Wrong key len: %d or passkey entry fail", passkey);
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/* send pairing failure */
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smp_sm_event(p_cb, SMP_AUTH_CMPL_EVT, &failure);
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} else if (p_cb->selected_association_model == SMP_MODEL_SEC_CONN_PASSKEY_ENT) {
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smp_sm_event(&smp_cb, SMP_SC_KEY_READY_EVT, &passkey);
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} else {
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smp_convert_string_to_tk(p_cb->tk, passkey);
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}
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return;
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}
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/*******************************************************************************
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**
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** Function SMP_ConfirmReply
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**
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** Description This function is called after Security Manager submitted
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** numeric comparison request to the application.
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**
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** Parameters: bd_addr - Address of the device with which numeric
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** comparison was requested
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** res - comparison result SMP_SUCCESS if success
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**
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*******************************************************************************/
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void SMP_ConfirmReply (BD_ADDR bd_addr, UINT8 res)
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{
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tSMP_CB *p_cb = & smp_cb;
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UINT8 failure = SMP_NUMERIC_COMPAR_FAIL;
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SMP_TRACE_EVENT ("%s: Result:%d", __FUNCTION__, res);
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/* If timeout already expired or has been canceled, ignore the reply */
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if (p_cb->cb_evt != SMP_NC_REQ_EVT) {
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SMP_TRACE_WARNING ("%s() - Wrong State: %d", __FUNCTION__, p_cb->state);
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return;
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}
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if (memcmp (bd_addr, p_cb->pairing_bda, BD_ADDR_LEN) != 0) {
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SMP_TRACE_ERROR ("%s() - Wrong BD Addr", __FUNCTION__);
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return;
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}
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if (btm_find_dev (bd_addr) == NULL) {
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SMP_TRACE_ERROR ("%s() - no dev CB", __FUNCTION__);
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return;
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}
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if (res != SMP_SUCCESS) {
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SMP_TRACE_WARNING ("%s() - Numeric Comparison fails", __FUNCTION__);
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/* send pairing failure */
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smp_sm_event(p_cb, SMP_AUTH_CMPL_EVT, &failure);
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} else {
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smp_sm_event(p_cb, SMP_SC_NC_OK_EVT, NULL);
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}
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}
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/*******************************************************************************
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**
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** Function SMP_OobDataReply
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**
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** Description This function is called to provide the OOB data for
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** SMP in response to SMP_OOB_REQ_EVT
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**
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** Parameters: bd_addr - Address of the peer device
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** res - result of the operation SMP_SUCCESS if success
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** p_data - simple pairing Randomizer C.
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**
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*******************************************************************************/
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void SMP_OobDataReply(BD_ADDR bd_addr, tSMP_STATUS res, UINT8 len, UINT8 *p_data)
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{
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tSMP_CB *p_cb = & smp_cb;
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UINT8 failure = SMP_OOB_FAIL;
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tSMP_KEY key;
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SMP_TRACE_EVENT ("%s State: %d res:%d", __FUNCTION__, smp_cb.state, res);
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/* If timeout already expired or has been canceled, ignore the reply */
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if (p_cb->state != SMP_STATE_WAIT_APP_RSP || p_cb->cb_evt != SMP_OOB_REQ_EVT) {
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return;
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}
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if (res != SMP_SUCCESS || len == 0 || !p_data) {
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smp_sm_event(p_cb, SMP_AUTH_CMPL_EVT, &failure);
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} else {
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if (len > BT_OCTET16_LEN) {
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len = BT_OCTET16_LEN;
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}
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memcpy(p_cb->tk, p_data, len);
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key.key_type = SMP_KEY_TYPE_TK;
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key.p_data = p_cb->tk;
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smp_sm_event(&smp_cb, SMP_KEY_READY_EVT, &key);
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}
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}
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/*******************************************************************************
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**
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** Function SMP_SecureConnectionOobDataReply
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**
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** Description This function is called to provide the SC OOB data for
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** SMP in response to SMP_SC_OOB_REQ_EVT
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**
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** Parameters: p_data - pointer to the data
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**
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*******************************************************************************/
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void SMP_SecureConnectionOobDataReply(UINT8 *p_data)
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{
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tSMP_CB *p_cb = &smp_cb;
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UINT8 failure = SMP_OOB_FAIL;
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tSMP_SC_OOB_DATA *p_oob = (tSMP_SC_OOB_DATA *) p_data;
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if (!p_oob) {
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SMP_TRACE_ERROR("%s received no data", __FUNCTION__);
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smp_sm_event(p_cb, SMP_AUTH_CMPL_EVT, &failure);
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return;
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}
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SMP_TRACE_EVENT ("%s req_oob_type: %d, loc_oob_data.present: %d, "
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"peer_oob_data.present: %d",
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__FUNCTION__, p_cb->req_oob_type, p_oob->loc_oob_data.present,
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p_oob->peer_oob_data.present);
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if (p_cb->state != SMP_STATE_WAIT_APP_RSP || p_cb->cb_evt != SMP_SC_OOB_REQ_EVT) {
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return;
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}
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BOOLEAN data_missing = FALSE;
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switch (p_cb->req_oob_type) {
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case SMP_OOB_PEER:
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if (!p_oob->peer_oob_data.present) {
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data_missing = TRUE;
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}
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break;
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case SMP_OOB_LOCAL:
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if (!p_oob->loc_oob_data.present) {
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data_missing = TRUE;
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}
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break;
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case SMP_OOB_BOTH:
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if (!p_oob->loc_oob_data.present || !p_oob->peer_oob_data.present) {
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data_missing = TRUE;
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}
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break;
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default:
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SMP_TRACE_EVENT ("Unexpected OOB data type requested. Fail OOB");
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data_missing = TRUE;
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break;
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}
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if (data_missing) {
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smp_sm_event(p_cb, SMP_AUTH_CMPL_EVT, &failure);
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return;
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}
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p_cb->sc_oob_data = *p_oob;
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smp_sm_event(&smp_cb, SMP_SC_OOB_DATA_EVT, p_data);
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}
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/*******************************************************************************
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**
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** Function SMP_Encrypt
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**
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** Description This function is called to encrypt the data with the specified
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** key
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**
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** Parameters: key - Pointer to key key[0] conatins the MSB
|
|
** key_len - key length
|
|
** plain_text - Pointer to data to be encrypted
|
|
** plain_text[0] conatins the MSB
|
|
** pt_len - plain text length
|
|
** p_out - output of the encrypted texts
|
|
**
|
|
** Returns Boolean - request is successful
|
|
*******************************************************************************/
|
|
BOOLEAN SMP_Encrypt (UINT8 *key, UINT8 key_len,
|
|
UINT8 *plain_text, UINT8 pt_len,
|
|
tSMP_ENC *p_out)
|
|
|
|
{
|
|
BOOLEAN status = FALSE;
|
|
status = smp_encrypt_data(key, key_len, plain_text, pt_len, p_out);
|
|
return status;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function SMP_KeypressNotification
|
|
**
|
|
** Description This function is called to notify Security Manager about Keypress Notification.
|
|
**
|
|
** Parameters: bd_addr Address of the device to send keypress notification to
|
|
** value Keypress notification parameter value
|
|
**
|
|
*******************************************************************************/
|
|
void SMP_KeypressNotification (BD_ADDR bd_addr, UINT8 value)
|
|
{
|
|
tSMP_CB *p_cb = &smp_cb;
|
|
|
|
SMP_TRACE_EVENT ("%s: Value: %d", __FUNCTION__, value);
|
|
|
|
if (memcmp (bd_addr, p_cb->pairing_bda, BD_ADDR_LEN) != 0) {
|
|
SMP_TRACE_ERROR ("%s() - Wrong BD Addr", __FUNCTION__);
|
|
return;
|
|
}
|
|
|
|
if (btm_find_dev (bd_addr) == NULL) {
|
|
SMP_TRACE_ERROR ("%s() - no dev CB", __FUNCTION__);
|
|
return;
|
|
}
|
|
|
|
/* Keypress Notification is used by a device with KeyboardOnly IO capabilities */
|
|
/* during the passkey entry protocol */
|
|
if (p_cb->local_io_capability != SMP_IO_CAP_IN) {
|
|
SMP_TRACE_ERROR ("%s() - wrong local IO capabilities %d",
|
|
__FUNCTION__, p_cb->local_io_capability);
|
|
return;
|
|
}
|
|
|
|
if (p_cb->selected_association_model != SMP_MODEL_SEC_CONN_PASSKEY_ENT) {
|
|
SMP_TRACE_ERROR ("%s() - wrong protocol %d", __FUNCTION__,
|
|
p_cb->selected_association_model);
|
|
return;
|
|
}
|
|
|
|
smp_sm_event(p_cb, SMP_KEYPRESS_NOTIFICATION_EVENT, &value);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function SMP_CreateLocalSecureConnectionsOobData
|
|
**
|
|
** Description This function is called to start creation of local SC OOB
|
|
** data set (tSMP_LOC_OOB_DATA).
|
|
**
|
|
** Parameters: bd_addr - Address of the device to send OOB data block to
|
|
**
|
|
** Returns Boolean - TRUE: creation of local SC OOB data set started.
|
|
*******************************************************************************/
|
|
BOOLEAN SMP_CreateLocalSecureConnectionsOobData (tBLE_BD_ADDR *addr_to_send_to)
|
|
{
|
|
tSMP_CB *p_cb = &smp_cb;
|
|
UINT8 *bd_addr;
|
|
|
|
if (addr_to_send_to == NULL) {
|
|
SMP_TRACE_ERROR ("%s addr_to_send_to is not provided", __FUNCTION__);
|
|
return FALSE;
|
|
}
|
|
|
|
bd_addr = addr_to_send_to->bda;
|
|
|
|
SMP_TRACE_EVENT ("%s addr type: %u, BDA: %08x%04x, state: %u, br_state: %u",
|
|
__FUNCTION__, addr_to_send_to->type,
|
|
(bd_addr[0] << 24) + (bd_addr[1] << 16) + (bd_addr[2] << 8) + bd_addr[3],
|
|
(bd_addr[4] << 8) + bd_addr[5],
|
|
p_cb->state,
|
|
p_cb->br_state);
|
|
|
|
if ((p_cb->state != SMP_STATE_IDLE) || (p_cb->smp_over_br)) {
|
|
SMP_TRACE_WARNING ("%s creation of local OOB data set "\
|
|
"starts only in IDLE state", __FUNCTION__);
|
|
return FALSE;
|
|
}
|
|
|
|
p_cb->sc_oob_data.loc_oob_data.addr_sent_to = *addr_to_send_to;
|
|
smp_sm_event(p_cb, SMP_CR_LOC_SC_OOB_DATA_EVT, NULL);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#endif /* SMP_INCLUDED */
|