btm_ble.cc revision ee96a3c60fca590d38025925c072d264e06493c4
15738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 25738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 35738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Copyright (C) 1999-2012 Broadcom Corporation 45738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 55738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 65738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * you may not use this file except in compliance with the License. 75738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * You may obtain a copy of the License at: 85738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 95738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * See the License for the specific language governing permissions and 155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * limitations under the License. 165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * This file contains functions for BLE device control utilities, and LE 225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * security functions. 235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 2549a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen 2649a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen#define LOG_TAG "bt_btm_ble" 2749a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen 28bf9a8aa26988aedbc161d75f2688641ce59dc001Mike J. Chen#include "bt_target.h" 29bf9a8aa26988aedbc161d75f2688641ce59dc001Mike J. Chen 305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <string.h> 315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "bt_types.h" 335cd8bff2dd0337cb52bf48f312e3d2d55a8882fbMike J. Chen#include "bt_utils.h" 3449a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen#include "btm_ble_api.h" 3549a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen#include "btm_int.h" 3649a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen#include "btu.h" 37444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji#include "device/include/controller.h" 3849a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen#include "gap_api.h" 39b2a292b5d8df2f359c38b0787bc01181225a9bc9Pavlin Radoslavov#include "gatt_api.h" 4049a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen#include "hcimsgs.h" 4149a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen#include "l2c_int.h" 42f8027005333c88a2f097cfd70d15c3d54c7764aeChris Manton#include "osi/include/log.h" 43d7ffd64accbd50a27289a388856e56244ccbb5daMyles Watson#include "osi/include/osi.h" 4449a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen#include "smp_api.h" 45ed534e330bf63c72e778fc8daae09ddd63c395b2Wei Wang 46d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenextern bool aes_cipher_msg_auth_code(BT_OCTET16 key, uint8_t *input, uint16_t length, 47d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint16_t tlen, uint8_t *p_signature); 48426da5ad3cc43336e48620605e37e9432b3cd126Andre Eisenbach 49ee96a3c60fca590d38025925c072d264e06493c4Myles Watson/******************************************************************************/ 505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/* External Function to be called by other modules */ 51ee96a3c60fca590d38025925c072d264e06493c4Myles Watson/******************************************************************************/ 525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************** 53ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 54ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_SecAddBleDevice 55ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 56ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description Add/modify device. This function will be normally called 57ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * during host startup to restore all required information 58ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * for a LE device stored in the NVRAM. 59ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 60ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameters: bd_addr - BD address of the peer 61ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * bd_name - Name of the peer device. NULL if unknown. 62ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * dev_type - Remote device's device type. 63ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * addr_type - LE device address type. 64ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 65ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns true if added OK, else false 66ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 67ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 687921e8f594079e00e90173a8fe7483ad72443b34Jakub Pawlowskibool BTM_SecAddBleDevice (const BD_ADDR bd_addr, BD_NAME bd_name, tBT_DEVICE_TYPE dev_type, 695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBLE_ADDR_TYPE addr_type) 705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 71cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski BTM_TRACE_DEBUG ("%s: dev_type=0x%x", __func__, dev_type); 72c9f86da73bfb637426c83b86497c50fede4e0f63Jakub Pawlowski 73426da5ad3cc43336e48620605e37e9432b3cd126Andre Eisenbach tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev(bd_addr); 74426da5ad3cc43336e48620605e37e9432b3cd126Andre Eisenbach if (!p_dev_rec) 75426da5ad3cc43336e48620605e37e9432b3cd126Andre Eisenbach { 76426da5ad3cc43336e48620605e37e9432b3cd126Andre Eisenbach p_dev_rec = btm_sec_allocate_dev_rec(); 77cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski 78cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski memcpy(p_dev_rec->bd_addr, bd_addr, BD_ADDR_LEN); 79cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski p_dev_rec->hci_handle = BTM_GetHCIConnHandle(bd_addr, BT_TRANSPORT_BR_EDR); 80cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski p_dev_rec->ble_hci_handle = BTM_GetHCIConnHandle(bd_addr, BT_TRANSPORT_LE); 81cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski 82cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski /* update conn params, use default value for background connection params */ 83cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski p_dev_rec->conn_params.min_conn_int = BTM_BLE_CONN_PARAM_UNDEF; 84cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski p_dev_rec->conn_params.max_conn_int = BTM_BLE_CONN_PARAM_UNDEF; 85cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski p_dev_rec->conn_params.supervision_tout = BTM_BLE_CONN_PARAM_UNDEF; 86cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski p_dev_rec->conn_params.slave_latency = BTM_BLE_CONN_PARAM_UNDEF; 87cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski 88cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski BTM_TRACE_DEBUG("%s: Device added, handle=0x%x ", __func__, p_dev_rec->ble_hci_handle); 895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset(p_dev_rec->sec_bd_name, 0, sizeof(tBTM_BD_NAME)); 925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (bd_name && bd_name[0]) 945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->sec_flags |= BTM_SEC_NAME_KNOWN; 965b9462d9694bdb9c51130a39a9d85c936ecce46fAndre Eisenbach strlcpy((char *)p_dev_rec->sec_bd_name, 975b9462d9694bdb9c51130a39a9d85c936ecce46fAndre Eisenbach (char *)bd_name, BTM_MAX_REM_BD_NAME_LEN); 985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 99e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun p_dev_rec->device_type |= dev_type; 1005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->ble.ble_addr_type = addr_type; 1015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 102cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski memcpy(p_dev_rec->ble.pseudo_addr, bd_addr, BD_ADDR_LEN); 1035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* sync up with the Inq Data base*/ 104cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski tBTM_INQ_INFO *p_info = BTM_InqDbRead(bd_addr); 1055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_info) 1065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_info->results.ble_addr_type = p_dev_rec->ble.ble_addr_type ; 1085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_info->results.device_type = p_dev_rec->device_type; 109cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski BTM_TRACE_DEBUG("InqDb device_type =0x%x addr_type=0x%x", 110cac784d772db7f42dc93acafb18e5d71617c04f3Jakub Pawlowski p_info->results.device_type, p_info->results.ble_addr_type); 1115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 113d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return true; 1145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 1155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 117ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 118ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_SecAddBleKey 119ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 120ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description Add/modify LE device information. This function will be 121ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * normally called during host startup to restore all required 122ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * information stored in the NVRAM. 123ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 124ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameters: bd_addr - BD address of the peer 125ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_le_key - LE key values. 126ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * key_type - LE SMP key type. 1275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project* 128ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns true if added OK, else false 129ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 130ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 131d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenbool BTM_SecAddBleKey (BD_ADDR bd_addr, tBTM_LE_KEY_VALUE *p_le_key, tBTM_LE_KEY_TYPE key_type) 1325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 1335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_dev_rec; 1345344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("BTM_SecAddBleKey"); 1355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec = btm_find_dev (bd_addr); 1365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (!p_dev_rec || !p_le_key || 1375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (key_type != BTM_LE_KEY_PENC && key_type != BTM_LE_KEY_PID && 138ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta key_type != BTM_LE_KEY_PCSRK && key_type != BTM_LE_KEY_LENC && 139444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji key_type != BTM_LE_KEY_LCSRK && key_type != BTM_LE_KEY_LID)) 1405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1415344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_WARNING ("BTM_SecAddBleKey() Wrong Type, or No Device record \ 1425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for bdaddr: %08x%04x, Type: %d", 1435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (bd_addr[0]<<24)+(bd_addr[1]<<16)+(bd_addr[2]<<8)+bd_addr[3], 1445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (bd_addr[4]<<8)+bd_addr[5], key_type); 145d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return(false); 1465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1485344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("BTM_SecAddLeKey() BDA: %08x%04x, Type: 0x%02x", 1495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (bd_addr[0]<<24)+(bd_addr[1]<<16)+(bd_addr[2]<<8)+bd_addr[3], 1505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (bd_addr[4]<<8)+bd_addr[5], key_type); 1515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 152d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen btm_sec_save_le_key (bd_addr, key_type, p_le_key, false); 153444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 154444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji#if (BLE_PRIVACY_SPT == TRUE) 155444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (key_type == BTM_LE_KEY_PID || key_type == BTM_LE_KEY_LID) 156444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji btm_ble_resolving_list_load_dev (p_dev_rec); 157444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji#endif 1585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 159d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return(true); 1605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 1615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 163ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 164ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleLoadLocalKeys 165ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 166ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description Local local identity key, encryption root or sign counter. 167ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 168ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameters: key_type: type of key, can be BTM_BLE_KEY_TYPE_ID, BTM_BLE_KEY_TYPE_ER 169ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * or BTM_BLE_KEY_TYPE_COUNTER. 170ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_key: pointer to the key. 1715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project* 172ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns non2. 173ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 174ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 175d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid BTM_BleLoadLocalKeys(uint8_t key_type, tBTM_BLE_LOCAL_KEYS *p_key) 1765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 1775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_DEVCB *p_devcb = &btm_cb.devcb; 178444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_DEBUG ("%s", __func__); 1795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_key != NULL) 1805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (key_type) 1825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTM_BLE_KEY_TYPE_ID: 1845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy(&p_devcb->id_keys, &p_key->id_keys, sizeof(tBTM_BLE_LOCAL_ID_KEYS)); 1855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 1865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTM_BLE_KEY_TYPE_ER: 188444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji memcpy(p_devcb->ble_encryption_key_value, p_key->er, sizeof(BT_OCTET16)); 1895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 1905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project default: 1925344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("unknow local key type: %d", key_type); 1935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 1945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 1975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 199ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 200ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_GetDeviceEncRoot 201ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 202ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to read the local device encryption 203ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * root. 204ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 205ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 206ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * the local device ER is copied into ble_encr_key_value 207ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 208ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 209444a8da807abaf5f9e813ce70c56a79160495fb3Satya Callojivoid BTM_GetDeviceEncRoot (BT_OCTET16 ble_encr_key_value) 2105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 211444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_DEBUG ("%s", __func__); 212444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji memcpy (ble_encr_key_value, btm_cb.devcb.ble_encryption_key_value, BT_OCTET16_LEN); 2135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 2145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 216ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 217ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_GetDeviceIDRoot 218ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 219ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to read the local device identity 220ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * root. 221ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 222ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 223ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * the local device IR is copied into irk 224ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 225ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid BTM_GetDeviceIDRoot (BT_OCTET16 irk) 2275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 2285344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("BTM_GetDeviceIDRoot "); 2295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy (irk, btm_cb.devcb.id_keys.irk, BT_OCTET16_LEN); 2315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 2325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 234ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 235ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_GetDeviceDHK 236ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 237ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to read the local device DHK. 238ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 239ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 240ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * the local device DHK is copied into dhk 241ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 242ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid BTM_GetDeviceDHK (BT_OCTET16 dhk) 2445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 2455344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("BTM_GetDeviceDHK"); 2465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy (dhk, btm_cb.devcb.id_keys.dhk, BT_OCTET16_LEN); 2475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 2485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 250ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 251ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_ReadConnectionAddr 252ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 253ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to get the local device address information 254ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * . 255ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 256ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 257ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 258ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 259ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Battavoid BTM_ReadConnectionAddr (BD_ADDR remote_bda, BD_ADDR local_conn_addr, tBLE_ADDR_TYPE *p_addr_type) 2605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 2617fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta tACL_CONN *p_acl = btm_bda_to_acl(remote_bda, BT_TRANSPORT_LE); 262ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 263ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (p_acl == NULL) 2645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2655344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("No connection exist!"); 266ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta return; 2675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 268ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta memcpy(local_conn_addr, p_acl->conn_addr, BD_ADDR_LEN); 269ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta * p_addr_type = p_acl->conn_addr_type; 270ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 2715344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("BTM_ReadConnectionAddr address type: %d addr: 0x%02x", 272ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta p_acl->conn_addr_type, p_acl->conn_addr[0]); 2735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 274bf9a8aa26988aedbc161d75f2688641ce59dc001Mike J. Chen 2756975b4d711142b885af479721cada448952c6b41Andre Eisenbach/******************************************************************************* 276ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 277ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_IsBleConnection 278ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 279ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to check if the connection handle 280ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * for an LE link 281ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 282ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns true if connection is LE link, otherwise false. 283ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 284ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 285d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenbool BTM_IsBleConnection (uint16_t conn_handle) 2866975b4d711142b885af479721cada448952c6b41Andre Eisenbach{ 287d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t xx; 2886975b4d711142b885af479721cada448952c6b41Andre Eisenbach tACL_CONN *p; 2896975b4d711142b885af479721cada448952c6b41Andre Eisenbach 2905344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_API ("BTM_IsBleConnection: conn_handle: %d", conn_handle); 2916975b4d711142b885af479721cada448952c6b41Andre Eisenbach 2926975b4d711142b885af479721cada448952c6b41Andre Eisenbach xx = btm_handle_to_acl_index (conn_handle); 2936975b4d711142b885af479721cada448952c6b41Andre Eisenbach if (xx >= MAX_L2CAP_LINKS) 294d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return false; 2956975b4d711142b885af479721cada448952c6b41Andre Eisenbach 2966975b4d711142b885af479721cada448952c6b41Andre Eisenbach p = &btm_cb.acl_db[xx]; 2976975b4d711142b885af479721cada448952c6b41Andre Eisenbach 2987fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta return (p->transport == BT_TRANSPORT_LE); 2996975b4d711142b885af479721cada448952c6b41Andre Eisenbach} 3005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 302ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 303ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_ReadRemoteConnectionAddr 304ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 305ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is read the remote device address currently used 306ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 307ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameters pseudo_addr: pseudo random address available 308ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * conn_addr:connection address used 309ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_addr_type : BD Address type, Public or Random of the address used 310ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 311ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns bool , true if connection to remote device exists, else false 312ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 313ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 314d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenbool BTM_ReadRemoteConnectionAddr(BD_ADDR pseudo_addr, BD_ADDR conn_addr, 3157fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta tBLE_ADDR_TYPE *p_addr_type) 316ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta{ 317d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool st = true; 3187fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta#if (BLE_PRIVACY_SPT == TRUE) 3197fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta tACL_CONN *p = btm_bda_to_acl (pseudo_addr, BT_TRANSPORT_LE); 320ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 3218b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu if (p == NULL) 3228b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu { 3235344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("BTM_ReadRemoteConnectionAddr can not find connection" 3247fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta " with matching address"); 325d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return false; 3268b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu } 3278b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu 3288b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu memcpy(conn_addr, p->active_remote_addr, BD_ADDR_LEN); 3298b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu *p_addr_type = p->active_remote_addr_type; 3308b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu#else 3317fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev(pseudo_addr); 3327fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta 333ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta memcpy(conn_addr, pseudo_addr, BD_ADDR_LEN); 3346975b4d711142b885af479721cada448952c6b41Andre Eisenbach if (p_dev_rec != NULL) 3356975b4d711142b885af479721cada448952c6b41Andre Eisenbach { 3366975b4d711142b885af479721cada448952c6b41Andre Eisenbach *p_addr_type = p_dev_rec->ble.ble_addr_type; 3376975b4d711142b885af479721cada448952c6b41Andre Eisenbach } 3388b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu#endif 339ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta return st; 3407fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta 341ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta} 342ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta/******************************************************************************* 343ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 344ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_SecurityGrant 345ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 346ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to grant security process. 347ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 348ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameters bd_addr - peer device bd address. 349ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * res - result of the operation BTM_SUCCESS if success. 350ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Otherwise, BTM_REPEATED_ATTEMPTS is too many attempts. 351ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 352ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns None 353ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 354ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 355d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid BTM_SecurityGrant(BD_ADDR bd_addr, uint8_t res) 3565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 3575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tSMP_STATUS res_smp = (res == BTM_SUCCESS) ? SMP_SUCCESS : SMP_REPEATED_ATTEMPTS; 3585344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("BTM_SecurityGrant"); 3595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project SMP_SecurityGrant(bd_addr, res_smp); 3605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 3615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 363ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 364ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BlePasskeyReply 365ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 366ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called after Security Manager submitted 367ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * passkey request to the application. 368ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 369ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameters: bd_addr - Address of the device for which passkey was requested 370ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * res - result of the operation BTM_SUCCESS if success 371ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * key_len - length in bytes of the Passkey 372ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_passkey - pointer to array with the passkey 373ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * trusted_mask - bitwise OR of trusted services (array of uint32_t) 374ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 375ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 376d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid BTM_BlePasskeyReply (BD_ADDR bd_addr, uint8_t res, uint32_t passkey) 3775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 3785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bd_addr); 3795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tSMP_STATUS res_smp = (res == BTM_SUCCESS) ? SMP_SUCCESS : SMP_PASSKEY_ENTRY_FAIL; 3805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 381ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (p_dev_rec == NULL) 382ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta { 3835344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("Passkey reply to Unknown device"); 384ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta return; 385ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta } 386ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 387444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji p_dev_rec->sec_flags |= BTM_SEC_LE_AUTHENTICATED; 3885344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("BTM_BlePasskeyReply"); 3895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project SMP_PasskeyReply(bd_addr, res_smp, passkey); 3905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 3915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 393ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 394ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleConfirmReply 395ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 396ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called after Security Manager submitted 397ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * numeric comparison request to the application. 398ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 399ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameters: bd_addr - Address of the device with which numeric 400ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * comparison was requested 401ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * res - comparison result BTM_SUCCESS if success 402ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 403ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 404d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid BTM_BleConfirmReply (BD_ADDR bd_addr, uint8_t res) 405444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji{ 406444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bd_addr); 407444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji tSMP_STATUS res_smp = (res == BTM_SUCCESS) ? SMP_SUCCESS : SMP_PASSKEY_ENTRY_FAIL; 408444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 409444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (p_dev_rec == NULL) 410444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 411444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_ERROR("Passkey reply to Unknown device"); 412444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji return; 413444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 414444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 415444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji p_dev_rec->sec_flags |= BTM_SEC_LE_AUTHENTICATED; 416444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_DEBUG ("%s", __func__); 417444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji SMP_ConfirmReply(bd_addr, res_smp); 418444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji} 419444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 420444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji/******************************************************************************* 421ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 422ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleOobDataReply 423ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 424ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to provide the OOB data for 425ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * SMP in response to BTM_LE_OOB_REQ_EVT 426ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 427ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameters: bd_addr - Address of the peer device 428ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * res - result of the operation SMP_SUCCESS if success 429ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_data - oob data, depending on transport and capabilities. 430ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Might be "Simple Pairing Randomizer", or 431ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * "Security Manager TK Value". 432ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 433ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 434d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid BTM_BleOobDataReply(BD_ADDR bd_addr, uint8_t res, uint8_t len, uint8_t *p_data) 4355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 4365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tSMP_STATUS res_smp = (res == BTM_SUCCESS) ? SMP_SUCCESS : SMP_OOB_FAIL; 4375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bd_addr); 4385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 439bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski BTM_TRACE_DEBUG ("%s:", __func__); 440ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 441bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski if (p_dev_rec == NULL) { 442bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski BTM_TRACE_ERROR("%s: Unknown device", __func__); 443ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta return; 444ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta } 445ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 446444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji p_dev_rec->sec_flags |= BTM_SEC_LE_AUTHENTICATED; 4475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project SMP_OobDataReply(bd_addr, res_smp, len, p_data); 4485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 4495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 450bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski/******************************************************************************* 451ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 452ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleSecureConnectionOobDataReply 453ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 454ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to provide the OOB data for 455ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * SMP in response to BTM_LE_OOB_REQ_EVT when secure connection 456ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * data is available 457ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 458ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameters: bd_addr - Address of the peer device 459ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_c - pointer to Confirmation. 460ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_r - pointer to Randomizer 461ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 462ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 463bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowskivoid BTM_BleSecureConnectionOobDataReply(BD_ADDR bd_addr, 464bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski uint8_t *p_c, uint8_t *p_r) 465bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski{ 466bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bd_addr); 467bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski 468bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski BTM_TRACE_DEBUG ("%s:", __func__); 469bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski 470bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski if (p_dev_rec == NULL) { 471bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski BTM_TRACE_ERROR("%s: Unknown device", __func__); 472bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski return; 473bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski } 474bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski 475bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski p_dev_rec->sec_flags |= BTM_SEC_LE_AUTHENTICATED; 476bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski 477bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski tSMP_SC_OOB_DATA oob; 478bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski memset(&oob, 0, sizeof(tSMP_SC_OOB_DATA)); 479bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski 480bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski oob.peer_oob_data.present = true; 481bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski memcpy(&oob.peer_oob_data.randomizer, p_r, BT_OCTET16_LEN); 482bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski memcpy(&oob.peer_oob_data.commitment, p_c, BT_OCTET16_LEN); 483bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski oob.peer_oob_data.addr_rcvd_from.type = p_dev_rec->ble.ble_addr_type; 484bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski memcpy(&oob.peer_oob_data.addr_rcvd_from.bda, bd_addr, sizeof(BD_ADDR)); 485bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski 486bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski SMP_SecureConnectionOobDataReply((uint8_t*)&oob); 487bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski} 488bd60854e49f88196bb3bcb38346214f8c6c3f3c9Jakub Pawlowski 4895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 490ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 491ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleSetConnScanParams 492ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 493ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description Set scan parameter used in BLE connection request 494ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 495ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameters: scan_interval: scan interval 496ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * scan_window: scan window 497ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 498ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 499ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 500ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 501d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid BTM_BleSetConnScanParams (uint32_t scan_interval, uint32_t scan_window) 5025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 5035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_BLE_CB *p_ble_cb = &btm_cb.ble_ctr_cb; 504d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool new_param = false; 5055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 506935324abbe8706307297f09cf79bbcd4efb73367Satya Calloji if (BTM_BLE_ISVALID_PARAM(scan_interval, BTM_BLE_SCAN_INT_MIN, BTM_BLE_SCAN_INT_MAX) && 507935324abbe8706307297f09cf79bbcd4efb73367Satya Calloji BTM_BLE_ISVALID_PARAM(scan_window, BTM_BLE_SCAN_WIN_MIN, BTM_BLE_SCAN_WIN_MAX)) 5085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ble_cb->scan_int != scan_interval) 5105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ble_cb->scan_int = scan_interval; 512d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen new_param = true; 5135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_ble_cb->scan_win != scan_window) 5165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_ble_cb->scan_win = scan_window; 518d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen new_param = true; 5195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 521ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (new_param && p_ble_cb->conn_state == BLE_BG_CONN) 522ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta { 523ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta btm_ble_suspend_bg_conn(); 524ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta } 5255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5285344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("Illegal Connection Scan Parameters"); 5295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 5315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************** 533ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 534ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleSetPrefConnParams 535ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 536ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description Set a peripheral's preferred connection parameters 537ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 538ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameters: bd_addr - BD address of the peripheral 539ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * scan_interval: scan interval 540ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * scan_window: scan window 541ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * min_conn_int - minimum preferred connection interval 542ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * max_conn_int - maximum preferred connection interval 543ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * slave_latency - preferred slave latency 544ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * supervision_tout - preferred supervision timeout 545ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 546ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 547ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 548ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 5495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid BTM_BleSetPrefConnParams (BD_ADDR bd_addr, 550d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint16_t min_conn_int, uint16_t max_conn_int, 551d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint16_t slave_latency, uint16_t supervision_tout) 5525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 5535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bd_addr); 5545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5555344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_API ("BTM_BleSetPrefConnParams min: %u max: %u latency: %u \ 5565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tout: %u", 5575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project min_conn_int, max_conn_int, slave_latency, supervision_tout); 5585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 559935324abbe8706307297f09cf79bbcd4efb73367Satya Calloji if (BTM_BLE_ISVALID_PARAM(min_conn_int, BTM_BLE_CONN_INT_MIN, BTM_BLE_CONN_INT_MAX) && 560935324abbe8706307297f09cf79bbcd4efb73367Satya Calloji BTM_BLE_ISVALID_PARAM(max_conn_int, BTM_BLE_CONN_INT_MIN, BTM_BLE_CONN_INT_MAX) && 561935324abbe8706307297f09cf79bbcd4efb73367Satya Calloji BTM_BLE_ISVALID_PARAM(supervision_tout, BTM_BLE_CONN_SUP_TOUT_MIN, BTM_BLE_CONN_SUP_TOUT_MAX) && 562ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta (slave_latency <= BTM_BLE_CONN_LATENCY_MAX || slave_latency == BTM_BLE_CONN_PARAM_UNDEF)) 5635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev_rec) 5655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* expect conn int and stout and slave latency to be updated all together */ 5675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (min_conn_int != BTM_BLE_CONN_PARAM_UNDEF || max_conn_int != BTM_BLE_CONN_PARAM_UNDEF) 5685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) 5705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->conn_params.min_conn_int = min_conn_int; 5715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->conn_params.min_conn_int = max_conn_int; 5735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (max_conn_int != BTM_BLE_CONN_PARAM_UNDEF) 5755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->conn_params.max_conn_int = max_conn_int; 5765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->conn_params.max_conn_int = min_conn_int; 5785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (slave_latency != BTM_BLE_CONN_PARAM_UNDEF) 5805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->conn_params.slave_latency = slave_latency; 5815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->conn_params.slave_latency = BTM_BLE_CONN_SLAVE_LATENCY_DEF; 5835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (supervision_tout != BTM_BLE_CONN_PARAM_UNDEF) 5855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->conn_params.supervision_tout = supervision_tout; 5865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5879c07b33b335dfa3b4357f9ee293e1c1c03a7389aSteve Paik p_dev_rec->conn_params.supervision_tout = BTM_BLE_CONN_TIMEOUT_DEF; 5885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 5915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5945344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("Unknown Device, setting rejected"); 5955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 5975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 5985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 5995344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("Illegal Connection Parameters"); 6005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 6025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 604ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 605ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_ReadDevInfo 606ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 607ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to read the device/address type 608ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * of BD address. 609ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 610ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameter remote_bda: remote device address 611ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_dev_type: output parameter to read the device type. 612ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_addr_type: output parameter to read the address type. 613ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 614ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 615063ca0230d902b1397bb8c19366e807980d876f3Jakub Pawlowskivoid BTM_ReadDevInfo (const BD_ADDR remote_bda, tBT_DEVICE_TYPE *p_dev_type, tBLE_ADDR_TYPE *p_addr_type) 6165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 6175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (remote_bda); 6185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_INQ_INFO *p_inq_info = BTM_InqDbRead(remote_bda); 6195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_addr_type = BLE_ADDR_PUBLIC; 6215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (!p_dev_rec) 6235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6242808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji *p_dev_type = BT_DEVICE_TYPE_BREDR; 6255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Check with the BT manager if details about remote device are known */ 6265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_inq_info != NULL) 6275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_dev_type = p_inq_info->results.device_type ; 6295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_addr_type = p_inq_info->results.ble_addr_type; 630306bddadeec993013cfed6bf0e41a1a47a69367cAndre Eisenbach } else { 631306bddadeec993013cfed6bf0e41a1a47a69367cAndre Eisenbach /* unknown device, assume BR/EDR */ 6325344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_find_dev_type - unknown device, BR/EDR assumed"); 6335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else /* there is a security device record exisitng */ 6365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* new inquiry result, overwrite device type in security device record */ 6385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_inq_info) 6395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 6405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->device_type = p_inq_info->results.device_type; 6415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->ble.ble_addr_type = p_inq_info->results.ble_addr_type; 6425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6432808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji if (memcmp(p_dev_rec->bd_addr, remote_bda, BD_ADDR_LEN) == 0 && 6442808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji memcmp(p_dev_rec->ble.pseudo_addr, remote_bda, BD_ADDR_LEN) == 0) 6452808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji { 6462808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji *p_dev_type = p_dev_rec->device_type; 6472808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji *p_addr_type = p_dev_rec->ble.ble_addr_type; 6482808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji } 6492808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji else if (memcmp(p_dev_rec->ble.pseudo_addr, remote_bda, BD_ADDR_LEN) == 0) 6502808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji { 6512808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji *p_dev_type = BT_DEVICE_TYPE_BLE; 6522808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji *p_addr_type = p_dev_rec->ble.ble_addr_type; 6532808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji } 6542808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji else /* matching static adddress only */ 6552808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji { 6562808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji *p_dev_type = BT_DEVICE_TYPE_BREDR; 6572808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji *p_addr_type = BLE_ADDR_PUBLIC; 6582808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji } 6595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 6615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6625344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_find_dev_type - device_type = %d addr_type = %d", *p_dev_type , *p_addr_type); 6635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 6645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 6651f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji/******************************************************************************* 666ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 667ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_ReadConnectedTransportAddress 668ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 669ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to read the paired device/address type of other device paired 670ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * corresponding to the BD_address 671ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 672ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameter remote_bda: remote device address, carry out the transport address 673ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * transport: active transport 674ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 675ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Return true if an active link is identified; false otherwise 676ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 677ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 678d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenbool BTM_ReadConnectedTransportAddress(BD_ADDR remote_bda, tBT_TRANSPORT transport) 6791f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji{ 6801f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev(remote_bda); 6811f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji 6821f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji /* if no device can be located, return */ 6831f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji if (p_dev_rec == NULL) 684d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return false; 6851f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji 6861f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji if (transport == BT_TRANSPORT_BR_EDR) 6871f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji { 6881f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji if (btm_bda_to_acl(p_dev_rec->bd_addr, transport) != NULL) 6891f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji { 6901f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji memcpy(remote_bda, p_dev_rec->bd_addr, BD_ADDR_LEN); 691d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return true; 6921f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji } 6931f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji else if (p_dev_rec->device_type & BT_DEVICE_TYPE_BREDR) 6941f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji { 6951f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji memcpy(remote_bda, p_dev_rec->bd_addr, BD_ADDR_LEN); 6961f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji } 6971f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji else 6981f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji memset(remote_bda, 0, BD_ADDR_LEN); 699d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return false; 7001f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji } 7011f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji 7021f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji if (transport == BT_TRANSPORT_LE) 7031f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji { 7041f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji memcpy(remote_bda, p_dev_rec->ble.pseudo_addr, BD_ADDR_LEN); 7051f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji if (btm_bda_to_acl(p_dev_rec->ble.pseudo_addr, transport) != NULL) 706d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return true; 7071f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji else 708d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return false; 7091f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji } 7101f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji 711d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return false; 7121f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji} 7131f38e92c7045e92b6b9d7f31bf85ceb585733885Satya Calloji 714ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta/******************************************************************************* 715ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 716ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleReceiverTest 717ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 718ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to start the LE Receiver test 719ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 720ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameter rx_freq - Frequency Range 721ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_cmd_cmpl_cback - Command Complete callback 722ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 723ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 724d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid BTM_BleReceiverTest(uint8_t rx_freq, tBTM_CMPL_CB *p_cmd_cmpl_cback) 725ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta{ 726ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta btm_cb.devcb.p_le_test_cmd_cmpl_cb = p_cmd_cmpl_cback; 727ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 728b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski btsnd_hcic_ble_receiver_test(rx_freq); 729ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta} 7305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 732ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 733ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleTransmitterTest 734ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 735ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to start the LE Transmitter test 736ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 737ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameter tx_freq - Frequency Range 738ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * test_data_len - Length in bytes of payload data in each packet 739ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * packet_payload - Pattern to use in the payload 740ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_cmd_cmpl_cback - Command Complete callback 741ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 742ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 743d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid BTM_BleTransmitterTest(uint8_t tx_freq, uint8_t test_data_len, 744d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t packet_payload, tBTM_CMPL_CB *p_cmd_cmpl_cback) 745ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta{ 746ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta btm_cb.devcb.p_le_test_cmd_cmpl_cb = p_cmd_cmpl_cback; 747b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski btsnd_hcic_ble_transmitter_test(tx_freq, test_data_len, packet_payload); 748ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta} 7495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 751ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 752ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleTestEnd 753ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 754ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to stop the in-progress TX or RX test 755ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 756ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameter p_cmd_cmpl_cback - Command complete callback 757ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 758ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 759ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Battavoid BTM_BleTestEnd(tBTM_CMPL_CB *p_cmd_cmpl_cback) 7605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 761ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta btm_cb.devcb.p_le_test_cmd_cmpl_cb = p_cmd_cmpl_cback; 762ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 763b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski btsnd_hcic_ble_test_end(); 764ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta} 765ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 766ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta/******************************************************************************* 767ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Internal Functions 768ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 769d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_test_command_complete(uint8_t *p) 770ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta{ 771ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta tBTM_CMPL_CB *p_cb = btm_cb.devcb.p_le_test_cmd_cmpl_cb; 772ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 773ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta btm_cb.devcb.p_le_test_cmd_cmpl_cb = NULL; 774ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 775ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (p_cb) 7765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 777ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta (*p_cb)(p); 7785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 7795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 7805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 7815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 782ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 783ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_UseLeLink 784ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 785ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is to select the underneath physical link to use. 786ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 787ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns true to use LE, false use BR/EDR. 788ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 789ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 790d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenbool BTM_UseLeLink (BD_ADDR bd_addr) 7916975b4d711142b885af479721cada448952c6b41Andre Eisenbach{ 7926975b4d711142b885af479721cada448952c6b41Andre Eisenbach tACL_CONN *p; 7936975b4d711142b885af479721cada448952c6b41Andre Eisenbach tBT_DEVICE_TYPE dev_type; 7946975b4d711142b885af479721cada448952c6b41Andre Eisenbach tBLE_ADDR_TYPE addr_type; 795d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool use_le = false; 7965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 797f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen p = btm_bda_to_acl(bd_addr, BT_TRANSPORT_BR_EDR); 798f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen if (p != NULL) { 7997fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta return use_le; 800f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen } else { 801f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen p = btm_bda_to_acl(bd_addr, BT_TRANSPORT_LE); 802f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen if (p != NULL) { 803f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen use_le = true; 804f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen } else { 805f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen BTM_ReadDevInfo(bd_addr, &dev_type, &addr_type); 806f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen use_le = (dev_type == BT_DEVICE_TYPE_BLE); 807f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen } 8086975b4d711142b885af479721cada448952c6b41Andre Eisenbach } 8096975b4d711142b885af479721cada448952c6b41Andre Eisenbach return use_le; 8106975b4d711142b885af479721cada448952c6b41Andre Eisenbach} 811636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera 812636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera/******************************************************************************* 813ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 814ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_SetBleDataLength 815ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 816ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is to set maximum BLE transmission packet size 817ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 818ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns BTM_SUCCESS if success; otherwise failed. 819ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 820ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 821d19e0785e662e640191a075eda07acce61c2aedaMarie JanssentBTM_STATUS BTM_SetBleDataLength(BD_ADDR bd_addr, uint16_t tx_pdu_length) 822636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera{ 823636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera tACL_CONN *p_acl = btm_bda_to_acl(bd_addr, BT_TRANSPORT_LE); 8247d1faf334e83332d733d8886069ffb2585cf1b8dliuchao 8257d1faf334e83332d733d8886069ffb2585cf1b8dliuchao if(p_acl == NULL) 8267d1faf334e83332d733d8886069ffb2585cf1b8dliuchao { 8277d1faf334e83332d733d8886069ffb2585cf1b8dliuchao BTM_TRACE_ERROR("%s: Wrong mode: no LE link exist or LE not supported",__func__); 8287d1faf334e83332d733d8886069ffb2585cf1b8dliuchao return BTM_WRONG_MODE; 8297d1faf334e83332d733d8886069ffb2585cf1b8dliuchao } 8307d1faf334e83332d733d8886069ffb2585cf1b8dliuchao 831d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen BTM_TRACE_DEBUG("%s: tx_pdu_length =%d", __func__, tx_pdu_length); 832636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera 833636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera if (!controller_get_interface()->supports_ble_packet_extension()) 834636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera { 835d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen BTM_TRACE_ERROR("%s failed, request not supported", __func__); 836636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera return BTM_ILLEGAL_VALUE; 837636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera } 838636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera 839636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera if (!HCI_LE_DATA_LEN_EXT_SUPPORTED(p_acl->peer_le_features)) 840636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera { 841d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen BTM_TRACE_ERROR("%s failed, peer does not support request", __func__); 842636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera return BTM_ILLEGAL_VALUE; 843636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera } 844636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera 8457d1faf334e83332d733d8886069ffb2585cf1b8dliuchao if (tx_pdu_length > BTM_BLE_DATA_SIZE_MAX) 8467d1faf334e83332d733d8886069ffb2585cf1b8dliuchao tx_pdu_length = BTM_BLE_DATA_SIZE_MAX; 8477d1faf334e83332d733d8886069ffb2585cf1b8dliuchao else if (tx_pdu_length < BTM_BLE_DATA_SIZE_MIN) 8487d1faf334e83332d733d8886069ffb2585cf1b8dliuchao tx_pdu_length = BTM_BLE_DATA_SIZE_MIN; 849636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera 8507d1faf334e83332d733d8886069ffb2585cf1b8dliuchao /* always set the TxTime to be max, as controller does not care for now */ 8517d1faf334e83332d733d8886069ffb2585cf1b8dliuchao btsnd_hcic_ble_set_data_length(p_acl->hci_handle, tx_pdu_length, 8527d1faf334e83332d733d8886069ffb2585cf1b8dliuchao BTM_BLE_DATA_TX_TIME_MAX); 853636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera 8547d1faf334e83332d733d8886069ffb2585cf1b8dliuchao return BTM_SUCCESS; 855636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera} 856636d6714a4c08dd99d2147dcce05dc3892e804b4Priti Aghera 8575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 858ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 859ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_determine_security_act 860ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 861ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function checks the security of current LE link 862ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * and returns the appropriate action that needs to be 863ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * taken to achieve the required security. 864ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 865ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameter is_originator - True if outgoing connection 866ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * bdaddr: remote device address 867ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * security_required: Security required for the service. 868ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 869ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns The appropriate security action required. 870ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 871ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 872d19e0785e662e640191a075eda07acce61c2aedaMarie JanssentBTM_SEC_ACTION btm_ble_determine_security_act(bool is_originator, BD_ADDR bdaddr, uint16_t security_required) 8736721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar{ 8746721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar tBTM_LE_AUTH_REQ auth_req = 0x00; 8756721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 8766721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (is_originator) 8776721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar { 8786721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if ((security_required & BTM_SEC_OUT_FLAGS) == 0 && 8796721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar (security_required & BTM_SEC_OUT_MITM) == 0) 8806721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar { 8816721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar BTM_TRACE_DEBUG ("%s No security required for outgoing connection", __func__); 8826721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar return BTM_SEC_OK; 8836721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar } 8846721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 8856721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (security_required & BTM_SEC_OUT_MITM) 8866721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar auth_req |= BTM_LE_AUTH_REQ_MITM; 8876721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar } 8886721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar else 8896721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar { 8906721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if ((security_required & BTM_SEC_IN_FLAGS) == 0&& (security_required & BTM_SEC_IN_MITM) == 0) 8916721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar { 8926721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar BTM_TRACE_DEBUG ("%s No security required for incoming connection", __func__); 8936721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar return BTM_SEC_OK; 8946721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar } 8956721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 8966721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (security_required & BTM_SEC_IN_MITM) 8976721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar auth_req |= BTM_LE_AUTH_REQ_MITM; 8986721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar } 8996721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9006721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar tBTM_BLE_SEC_REQ_ACT ble_sec_act; 9016721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar btm_ble_link_sec_check(bdaddr, auth_req, &ble_sec_act); 9026721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9036721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar BTM_TRACE_DEBUG ("%s ble_sec_act %d", __func__ , ble_sec_act); 9046721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9056721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (ble_sec_act == BTM_BLE_SEC_REQ_ACT_DISCARD) 9066721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar return BTM_SEC_ENC_PENDING; 9076721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9086721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (ble_sec_act == BTM_BLE_SEC_REQ_ACT_NONE) 9096721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar return BTM_SEC_OK; 9106721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 911d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t sec_flag = 0; 9126721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar BTM_GetSecurityFlagsByTransport(bdaddr, &sec_flag, BT_TRANSPORT_LE); 9136721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 914d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool is_link_encrypted = false; 915d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool is_key_mitm = false; 9166721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (sec_flag & (BTM_SEC_FLAG_ENCRYPTED| BTM_SEC_FLAG_LKEY_KNOWN)) 9176721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar { 9186721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (sec_flag & BTM_SEC_FLAG_ENCRYPTED) 919d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen is_link_encrypted = true; 9206721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9216721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (sec_flag & BTM_SEC_FLAG_LKEY_AUTHED) 922d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen is_key_mitm = true; 9236721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar } 9246721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9256721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (auth_req & BTM_LE_AUTH_REQ_MITM) 9266721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar { 9276721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (!is_key_mitm) 9286721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar { 9296721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar return BTM_SEC_ENCRYPT_MITM; 9306721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar } else { 9316721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (is_link_encrypted) 9326721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar return BTM_SEC_OK; 9336721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar else 9346721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar return BTM_SEC_ENCRYPT; 9356721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar } 9366721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar } else { 9376721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (is_link_encrypted) 9386721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar return BTM_SEC_OK; 9396721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar else 9406721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar return BTM_SEC_ENCRYPT_NO_MITM; 9416721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar } 9426721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9436721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar return BTM_SEC_OK; 9446721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar} 9456721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9466721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar/******************************************************************************* 947ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 948ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_start_sec_check 949ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 950ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is to check and set the security required for 951ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * LE link for LE COC. 952ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 953ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameter bdaddr: remote device address. 954ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * psm : PSM of the LE COC sevice. 955ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * is_originator: true if outgoing connection. 956ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_callback : Pointer to the callback function. 957ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_ref_data : Pointer to be returned along with the callback. 958ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 959ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns true if link already meets the required security; otherwise false. 960ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 961ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 962d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenbool btm_ble_start_sec_check(BD_ADDR bd_addr, uint16_t psm, bool is_originator, 9636721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar tBTM_SEC_CALLBACK *p_callback, void *p_ref_data) 9646721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar{ 9656721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar /* Find the service record for the PSM */ 9666721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar tBTM_SEC_SERV_REC *p_serv_rec = btm_sec_find_first_serv (is_originator, psm); 9676721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9686721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar /* If there is no application registered with this PSM do not allow connection */ 9696721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (!p_serv_rec) 9706721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar { 9716721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar BTM_TRACE_WARNING ("%s PSM: %d no application registerd", __func__, psm); 9726721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar (*p_callback) (bd_addr, BT_TRANSPORT_LE, p_ref_data, BTM_MODE_UNSUPPORTED); 973d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return false; 9746721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar } 9756721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9766721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar tBTM_SEC_ACTION sec_act = btm_ble_determine_security_act(is_originator, 9776721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar bd_addr, p_serv_rec->security_flags); 9786721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9796721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar tBTM_BLE_SEC_ACT ble_sec_act = BTM_BLE_SEC_NONE; 980d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool status = false; 9816721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9826721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar switch (sec_act) 9836721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar { 9846721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar case BTM_SEC_OK: 9856721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar BTM_TRACE_DEBUG ("%s Security met", __func__); 9866721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar p_callback(bd_addr, BT_TRANSPORT_LE, p_ref_data, BTM_SUCCESS); 987d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen status = true; 9886721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar break; 9896721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9906721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar case BTM_SEC_ENCRYPT: 9916721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar BTM_TRACE_DEBUG ("%s Encryption needs to be done", __func__); 9926721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar ble_sec_act = BTM_BLE_SEC_ENCRYPT; 9936721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar break; 9946721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 9956721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar case BTM_SEC_ENCRYPT_MITM: 9966721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar BTM_TRACE_DEBUG ("%s Pairing with MITM needs to be done", __func__); 9976721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar ble_sec_act = BTM_BLE_SEC_ENCRYPT_MITM; 9986721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar break; 9996721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 10006721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar case BTM_SEC_ENCRYPT_NO_MITM: 10016721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar BTM_TRACE_DEBUG ("%s Pairing with No MITM needs to be done", __func__); 10026721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar ble_sec_act = BTM_BLE_SEC_ENCRYPT_NO_MITM; 10036721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar break; 10046721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 10056721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar case BTM_SEC_ENC_PENDING: 10066721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar BTM_TRACE_DEBUG ("%s Ecryption pending", __func__); 10076721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar break; 10086721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar } 10096721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 10106721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar if (ble_sec_act == BTM_BLE_SEC_NONE) 10116721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar return status; 10126721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 10136721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar tL2C_LCB *p_lcb = l2cu_find_lcb_by_bd_addr(bd_addr, BT_TRANSPORT_LE); 10146721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar p_lcb->sec_act = sec_act; 10156721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar BTM_SetEncryption(bd_addr, BT_TRANSPORT_LE, p_callback, p_ref_data, ble_sec_act); 10166721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 1017d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return false; 10186721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar} 10196721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar 10206721232129f137ab024d9b95fc1094a714bc4c01Navin Kochar/******************************************************************************* 1021ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1022ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_rand_enc_complete 1023ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1024ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is the callback functions for HCI_Rand command 1025ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * and HCI_Encrypt command is completed. 1026ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * This message is received from the HCI. 1027ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1028ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 1029ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1030ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1031d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_rand_enc_complete (uint8_t *p, uint16_t op_code, tBTM_RAND_ENC_CB *p_enc_cplt_cback) 10325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 10335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_RAND_ENC params; 1034d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t *p_dest = params.param_buf; 10355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10365344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_rand_enc_complete"); 10375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset(¶ms, 0, sizeof(tBTM_RAND_ENC)); 10395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* If there was a callback address for vcs complete, call it */ 10415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_enc_cplt_cback && p) 10425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 10435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Pass paramters to the callback function */ 10445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project STREAM_TO_UINT8(params.status, p); /* command status */ 10455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (params.status == HCI_SUCCESS) 10475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 10485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project params.opcode = op_code; 10495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (op_code == HCI_BLE_RAND) 10515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project params.param_len = BT_OCTET8_LEN; 10525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 10535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project params.param_len = BT_OCTET16_LEN; 10545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy(p_dest, p, params.param_len); /* Fetch return info from HCI event message */ 10565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 10575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_enc_cplt_cback) 10585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (*p_enc_cplt_cback)(¶ms); /* Call the Encryption complete callback function */ 10595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 10605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 10615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1063ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1064ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_get_enc_key_type 1065ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1066ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is to increment local sign counter 1067ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns None 1068ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1069ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1070d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_increment_sign_ctr(BD_ADDR bd_addr, bool is_local ) 10715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 10725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_dev_rec; 10735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10745344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_increment_sign_ctr is_local=%d", is_local); 10755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1076f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen p_dev_rec = btm_find_dev(bd_addr); 1077f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen if (p_dev_rec != NULL) 10785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 10795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (is_local) 10805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->ble.keys.local_counter++; 10815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 10825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->ble.keys.counter++; 10835344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("is_local=%d local sign counter=%d peer sign counter=%d", 10845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project is_local, 10855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->ble.keys.local_counter, 10865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->ble.keys.counter); 10875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 10885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 10895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 10905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1091ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1092ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_get_enc_key_type 1093ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1094ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is to get the BLE key type that has been exchanged 1095ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * in betweem local device and peer device. 1096ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1097ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns p_key_type: output parameter to carry the key type value. 1098ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1099ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1100d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenbool btm_ble_get_enc_key_type(BD_ADDR bd_addr, uint8_t *p_key_types) 11015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 11025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_dev_rec; 11035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 11045344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_get_enc_key_type"); 11055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1106f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen p_dev_rec = btm_find_dev(bd_addr); 1107f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen if (p_dev_rec != NULL) 11085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 11095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_key_types = p_dev_rec->ble.key_type; 1110d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return true; 11115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1112d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return false; 11135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 11145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 11155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1116ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1117ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_get_local_div 1118ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1119ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to read the local DIV 1120ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1121ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns TURE - if a valid DIV is availavle 1122ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1123d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenbool btm_get_local_div (BD_ADDR bd_addr, uint16_t *p_div) 11245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 11255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_dev_rec; 1126d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool status = false; 11275344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_get_local_div"); 11285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 11295344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG("bd_addr:%02x-%02x-%02x-%02x-%02x-%02x", 11305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project bd_addr[0],bd_addr[1], 11315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project bd_addr[2],bd_addr[3], 11325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project bd_addr[4],bd_addr[5]); 11335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1134bea4131cac3214e0ad26ea8258e270448f23f1f3Matthew Xie *p_div = 0; 11355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec = btm_find_dev (bd_addr); 11365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 11375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev_rec && p_dev_rec->ble.keys.div) 11385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1139d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen status = true; 11405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_div = p_dev_rec->ble.keys.div; 11415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 11425344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_get_local_div status=%d (1-OK) DIV=0x%x", status, *p_div); 11435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return status; 11445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 11455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 11465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1147ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1148ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_sec_save_le_key 1149ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1150ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called by the SMP to update 1151ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * an BLE key. SMP is internal, whereas all the keys shall 1152ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * be sent to the application. The function is also called 1153ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * when application passes ble key stored in NVRAM to the btm_sec. 1154ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * pass_to_application parameter is false in this case. 1155ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1156ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 1157ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1158ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 11595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid btm_sec_save_le_key(BD_ADDR bd_addr, tBTM_LE_KEY_TYPE key_type, tBTM_LE_KEY_VALUE *p_keys, 1160d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool pass_to_application) 11615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 11625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_rec; 11635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_LE_EVT_DATA cb_data; 1164d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t i; 11655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 11665344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_sec_save_le_key key_type=0x%x pass_to_application=%d",key_type, pass_to_application); 11675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Store the updated key in the device database */ 11685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 11695344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG("bd_addr:%02x-%02x-%02x-%02x-%02x-%02x", 11705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project bd_addr[0],bd_addr[1], 11715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project bd_addr[2],bd_addr[3], 11725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project bd_addr[4],bd_addr[5]); 11735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1174444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if ((p_rec = btm_find_dev (bd_addr)) != NULL && (p_keys || key_type== BTM_LE_KEY_LID)) 11755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1176905c72de29add7963b48e016b87e5ebe1a5f8503Satya Calloji btm_ble_init_pseudo_addr (p_rec, bd_addr); 1177905c72de29add7963b48e016b87e5ebe1a5f8503Satya Calloji 11785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (key_type) 11795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 11805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTM_LE_KEY_PENC: 1181fd6d3aea8be32cc1b47e349ebf002f6177d7ca7dAndre Eisenbach memcpy(p_rec->ble.keys.pltk, p_keys->penc_key.ltk, BT_OCTET16_LEN); 11825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy(p_rec->ble.keys.rand, p_keys->penc_key.rand, BT_OCTET8_LEN); 11835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.sec_level = p_keys->penc_key.sec_level; 11845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.ediv = p_keys->penc_key.ediv; 11855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.key_size = p_keys->penc_key.key_size; 11865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.key_type |= BTM_LE_KEY_PENC; 11877fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta p_rec->sec_flags |= BTM_SEC_LE_LINK_KEY_KNOWN; 11885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_keys->penc_key.sec_level == SMP_SEC_AUTHENTICATED) 11897fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta p_rec->sec_flags |= BTM_SEC_LE_LINK_KEY_AUTHED; 11905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 11917fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta p_rec->sec_flags &= ~BTM_SEC_LE_LINK_KEY_AUTHED; 11925344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG("BTM_LE_KEY_PENC key_type=0x%x sec_flags=0x%x sec_leve=0x%x", 11935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.key_type, 11945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->sec_flags, 11955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.sec_level); 11965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 11975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 11985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTM_LE_KEY_PID: 1199ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta for (i=0; i<BT_OCTET16_LEN; i++) 1200ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta { 1201ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta p_rec->ble.keys.irk[i] = p_keys->pid_key.irk[i]; 1202ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta } 1203ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1204ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta //memcpy( p_rec->ble.keys.irk, p_keys->pid_key, BT_OCTET16_LEN); todo will crash the system 1205ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta memcpy(p_rec->ble.static_addr, p_keys->pid_key.static_addr, BD_ADDR_LEN); 1206ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta p_rec->ble.static_addr_type = p_keys->pid_key.addr_type; 12075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.key_type |= BTM_LE_KEY_PID; 12085344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG("BTM_LE_KEY_PID key_type=0x%x save peer IRK", p_rec->ble.key_type); 12092808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji /* update device record address as static address */ 12102808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji memcpy(p_rec->bd_addr, p_keys->pid_key.static_addr, BD_ADDR_LEN); 12112808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji /* combine DUMO device security record if needed */ 12122808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji btm_consolidate_dev(p_rec); 12135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 12145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 12155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTM_LE_KEY_PCSRK: 1216fd6d3aea8be32cc1b47e349ebf002f6177d7ca7dAndre Eisenbach memcpy(p_rec->ble.keys.pcsrk, p_keys->pcsrk_key.csrk, BT_OCTET16_LEN); 12175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.srk_sec_level = p_keys->pcsrk_key.sec_level; 12185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.counter = p_keys->pcsrk_key.counter; 12195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.key_type |= BTM_LE_KEY_PCSRK; 12207fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta p_rec->sec_flags |= BTM_SEC_LE_LINK_KEY_KNOWN; 12215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ( p_keys->pcsrk_key.sec_level== SMP_SEC_AUTHENTICATED) 12227fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta p_rec->sec_flags |= BTM_SEC_LE_LINK_KEY_AUTHED; 12235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 12247fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta p_rec->sec_flags &= ~BTM_SEC_LE_LINK_KEY_AUTHED; 12255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 12265344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG("BTM_LE_KEY_PCSRK key_type=0x%x sec_flags=0x%x sec_level=0x%x peer_counter=%d", 12275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.key_type, 12285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->sec_flags, 12295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.srk_sec_level, 12305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.counter ); 12315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 12325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 12335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTM_LE_KEY_LENC: 1234444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji memcpy(p_rec->ble.keys.lltk, p_keys->lenc_key.ltk, BT_OCTET16_LEN); 12355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.div = p_keys->lenc_key.div; /* update DIV */ 12365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.sec_level = p_keys->lenc_key.sec_level; 12375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.key_size = p_keys->lenc_key.key_size; 12385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.key_type |= BTM_LE_KEY_LENC; 12395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 12405344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG("BTM_LE_KEY_LENC key_type=0x%x DIV=0x%x key_size=0x%x sec_level=0x%x", 12415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.key_type, 12425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.div, 12435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.key_size, 12445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.sec_level ); 12455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 12465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 12475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTM_LE_KEY_LCSRK:/* local CSRK has been delivered */ 1248444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji memcpy (p_rec->ble.keys.lcsrk, p_keys->lcsrk_key.csrk, BT_OCTET16_LEN); 12495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.div = p_keys->lcsrk_key.div; /* update DIV */ 12505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.local_csrk_sec_level = p_keys->lcsrk_key.sec_level; 12515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.local_counter = p_keys->lcsrk_key.counter; 12525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.key_type |= BTM_LE_KEY_LCSRK; 12535344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG("BTM_LE_KEY_LCSRK key_type=0x%x DIV=0x%x scrk_sec_level=0x%x local_counter=%d", 12545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.key_type, 12555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.div, 12565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.local_csrk_sec_level, 12575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->ble.keys.local_counter ); 12585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 12595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1260444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji case BTM_LE_KEY_LID: 1261444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji p_rec->ble.key_type |= BTM_LE_KEY_LID; 1262444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji break; 12635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project default: 12645344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_WARNING("btm_sec_save_le_key (Bad key_type 0x%02x)", key_type); 12655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 12665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 12675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 12685344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("BLE key type 0x%02x updated for BDA: %08x%04x (btm_sec_save_le_key)", key_type, 12695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (bd_addr[0]<<24)+(bd_addr[1]<<16)+(bd_addr[2]<<8)+bd_addr[3], 12705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (bd_addr[4]<<8)+bd_addr[5]); 12715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 12725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* Notify the application that one of the BLE keys has been updated 12735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project If link key is in progress, it will get sent later.*/ 12745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (pass_to_application && btm_cb.api.p_le_callback) 12755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 12765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cb_data.key.p_key_value = p_keys; 12775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cb_data.key.key_type = key_type; 1278444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 12795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (*btm_cb.api.p_le_callback) (BTM_LE_KEY_EVT, bd_addr, &cb_data); 12805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 12815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 12825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 12835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 12845344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_WARNING ("BLE key type 0x%02x called for Unknown BDA or type: %08x%04x !! (btm_sec_save_le_key)", key_type, 12855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (bd_addr[0]<<24)+(bd_addr[1]<<16)+(bd_addr[2]<<8)+bd_addr[3], 12865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (bd_addr[4]<<8)+bd_addr[5]); 12875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 12885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_rec) 12895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 12905344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("sec_flags=0x%x", p_rec->sec_flags); 12915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 12925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 12935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 12945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1295ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1296ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_update_sec_key_size 1297ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1298ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description update the current lin kencryption key size 1299ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1300ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 1301ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1302ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1303d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_update_sec_key_size(BD_ADDR bd_addr, uint8_t enc_key_size) 13045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 13055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_rec; 13065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 13075344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG("btm_ble_update_sec_key_size enc_key_size = %d", enc_key_size); 13085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1309f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen p_rec = btm_find_dev(bd_addr); 1310f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen if (p_rec != NULL ) 13115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 13125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->enc_key_size = enc_key_size; 13135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 13145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 13155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 13165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1317ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1318ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_read_sec_key_size 1319ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1320ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description update the current lin kencryption key size 1321ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1322ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 1323ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1324ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1325d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenuint8_t btm_ble_read_sec_key_size(BD_ADDR bd_addr) 13265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 13275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_rec; 13285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1329f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen p_rec = btm_find_dev(bd_addr); 1330f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen if (p_rec != NULL ) 13315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 13325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return p_rec->enc_key_size; 13335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 13345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 13355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return 0; 13365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 13375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 13385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1339ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1340ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_link_sec_check 1341ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1342ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description Check BLE link security level match. 1343ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1344ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns true: check is OK and the *p_sec_req_act contain the action 1345ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1346ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 13475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid btm_ble_link_sec_check(BD_ADDR bd_addr, tBTM_LE_AUTH_REQ auth_req, tBTM_BLE_SEC_REQ_ACT *p_sec_req_act) 13485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 13495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bd_addr); 1350d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t req_sec_level = BTM_LE_SEC_NONE, cur_sec_level = BTM_LE_SEC_NONE; 13515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 13525344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_link_sec_check auth_req =0x%x", auth_req); 13535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 13545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev_rec == NULL) 13555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 13565344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR ("btm_ble_link_sec_check received for unknown device"); 13575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 13585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 13595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1360ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (p_dev_rec->sec_state == BTM_SEC_STATE_ENCRYPTING || 1361ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta p_dev_rec->sec_state == BTM_SEC_STATE_AUTHENTICATING) 13625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 13635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* race condition: discard the security request while master is encrypting the link */ 13645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_sec_req_act = BTM_BLE_SEC_REQ_ACT_DISCARD; 13655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 13665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 13675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 13685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project req_sec_level = BTM_LE_SEC_UNAUTHENTICATE; 1369444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (auth_req & BTM_LE_AUTH_REQ_MITM) 13705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 13715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project req_sec_level = BTM_LE_SEC_AUTHENTICATED; 13725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 13735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 13745344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("dev_rec sec_flags=0x%x", p_dev_rec->sec_flags); 13755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 13765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* currently encrpted */ 13777fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta if (p_dev_rec->sec_flags & BTM_SEC_LE_ENCRYPTED) 13785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1379444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (p_dev_rec->sec_flags & BTM_SEC_LE_AUTHENTICATED) 13805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cur_sec_level = BTM_LE_SEC_AUTHENTICATED; 13815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 13825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cur_sec_level = BTM_LE_SEC_UNAUTHENTICATE; 13835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 13845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else /* unencrypted link */ 13855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 13865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* if bonded, get the key security level */ 13875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev_rec->ble.key_type & BTM_LE_KEY_PENC) 13885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cur_sec_level = p_dev_rec->ble.keys.sec_level; 13895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 13905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cur_sec_level = BTM_LE_SEC_NONE; 13915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 13925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 13935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (cur_sec_level >= req_sec_level) 13945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 13954540f59bc447dc2b7b31a3e974b74a60b2417e7dVenkatRaghavan VijayaRaghavan /* To avoid re-encryption on an encrypted link for an equal condition encryption */ 13964540f59bc447dc2b7b31a3e974b74a60b2417e7dVenkatRaghavan VijayaRaghavan *p_sec_req_act = BTM_BLE_SEC_REQ_ACT_ENCRYPT; 13975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 13985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 13995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 14004540f59bc447dc2b7b31a3e974b74a60b2417e7dVenkatRaghavan VijayaRaghavan *p_sec_req_act = BTM_BLE_SEC_REQ_ACT_PAIR; /* start the pariring process to upgrade the keys*/ 14015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 14025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 14035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 14045344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG("cur_sec_level=%d req_sec_level=%d sec_req_act=%d", 14055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cur_sec_level, 14065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project req_sec_level, 14075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project *p_sec_req_act); 14085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 14095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 14105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 14115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1412ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1413ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_set_encryption 1414ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1415ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to ensure that LE connection is 1416ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * encrypted. Should be called only on an open connection. 1417ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Typically only needed for connections that first want to 1418ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * bring up unencrypted links, then later encrypt them. 1419ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1420ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 1421ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * the local device ER is copied into er 1422ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1423ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1424d19e0785e662e640191a075eda07acce61c2aedaMarie JanssentBTM_STATUS btm_ble_set_encryption (BD_ADDR bd_addr, tBTM_BLE_SEC_ACT sec_act, uint8_t link_role) 14255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 14265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_STATUS cmd = BTM_NO_RESOURCES; 14275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_rec = btm_find_dev (bd_addr); 1428444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji tBTM_BLE_SEC_REQ_ACT sec_req_act; 1429444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji tBTM_LE_AUTH_REQ auth_req; 14305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 14315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_rec == NULL) 14325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 14335344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_WARNING ("btm_ble_set_encryption (NULL device record!! sec_act=0x%x", sec_act); 14345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return(BTM_WRONG_MODE); 14355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 14365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 14375344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_set_encryption sec_act=0x%x role_master=%d", sec_act, p_rec->role_master); 1438ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 14395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (sec_act == BTM_BLE_SEC_ENCRYPT_MITM) 14405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 14415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->security_required |= BTM_SEC_IN_MITM; 14425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 14435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 14445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (sec_act) 14455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 14465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTM_BLE_SEC_ENCRYPT: 14475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (link_role == BTM_ROLE_MASTER) 14485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 144951822b4229e4519a8e07838f52f858472ea36961Sunny Kapdi /* start link layer encryption using the security info stored */ 1450d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen cmd = btm_ble_start_encrypt(bd_addr, false, NULL); 14515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 14525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 14535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* if salve role then fall through to call SMP_Pair below which will send a 14545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project sec_request to request the master to encrypt the link */ 14555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTM_BLE_SEC_ENCRYPT_NO_MITM: 14565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTM_BLE_SEC_ENCRYPT_MITM: 14576ea4d232808d04f476b60aa2dcfc935ad4f8398eNitin Arora auth_req = (sec_act == BTM_BLE_SEC_ENCRYPT_NO_MITM) 14586ea4d232808d04f476b60aa2dcfc935ad4f8398eNitin Arora ? SMP_AUTH_GEN_BOND : (SMP_AUTH_GEN_BOND | SMP_AUTH_YN_BIT); 14596ea4d232808d04f476b60aa2dcfc935ad4f8398eNitin Arora btm_ble_link_sec_check (bd_addr, auth_req, &sec_req_act); 14606ea4d232808d04f476b60aa2dcfc935ad4f8398eNitin Arora if(sec_req_act == BTM_BLE_SEC_REQ_ACT_NONE || sec_req_act == BTM_BLE_SEC_REQ_ACT_DISCARD) 14616ea4d232808d04f476b60aa2dcfc935ad4f8398eNitin Arora { 14626ea4d232808d04f476b60aa2dcfc935ad4f8398eNitin Arora BTM_TRACE_DEBUG("%s, no action needed. Ignore", __func__); 14636ea4d232808d04f476b60aa2dcfc935ad4f8398eNitin Arora cmd = BTM_SUCCESS; 14646ea4d232808d04f476b60aa2dcfc935ad4f8398eNitin Arora break; 14656ea4d232808d04f476b60aa2dcfc935ad4f8398eNitin Arora } 1466444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (link_role == BTM_ROLE_MASTER) 1467444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 1468444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 1469444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (sec_req_act == BTM_BLE_SEC_REQ_ACT_ENCRYPT) 1470444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 1471d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen cmd = btm_ble_start_encrypt(bd_addr, false, NULL); 1472444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji break; 1473444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 1474444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 14755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 14765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (SMP_Pair(bd_addr) == SMP_STARTED) 14775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 14785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project cmd = BTM_CMD_STARTED; 14795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_rec->sec_state = BTM_SEC_STATE_AUTHENTICATING; 14805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 14815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 14825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 14835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project default: 14847fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta cmd = BTM_WRONG_MODE; 14855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 14865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 14875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return cmd; 14885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 14895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 14905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1491ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1492ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_ltk_request 1493ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1494ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called when encryption request is received 1495ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * on a slave device. 1496ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1497ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1498ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 1499ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1500ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1501d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_ltk_request(uint16_t handle, uint8_t rand[8], uint16_t ediv) 15025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 15035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_CB *p_cb = &btm_cb; 15045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev_by_handle (handle); 15055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BT_OCTET8 dummy_stk = {0}; 15065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 15075344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_ltk_request"); 15085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 15095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cb->ediv = ediv; 15105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 15115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy(p_cb->enc_rand, rand, BT_OCTET8_LEN); 15125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 15136975b4d711142b885af479721cada448952c6b41Andre Eisenbach if (p_dev_rec != NULL) 15146975b4d711142b885af479721cada448952c6b41Andre Eisenbach { 15156975b4d711142b885af479721cada448952c6b41Andre Eisenbach if (!smp_proc_ltk_request(p_dev_rec->bd_addr)) 1516d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen btm_ble_ltk_request_reply(p_dev_rec->bd_addr, false, dummy_stk); 15176975b4d711142b885af479721cada448952c6b41Andre Eisenbach } 15185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 15195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 15205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 15215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1522ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1523ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_start_encrypt 1524ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1525ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to start LE encryption. 1526ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1527ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1528ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns BTM_SUCCESS if encryption was started successfully 1529ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1530ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1531d19e0785e662e640191a075eda07acce61c2aedaMarie JanssentBTM_STATUS btm_ble_start_encrypt(BD_ADDR bda, bool use_stk, BT_OCTET16 stk) 15325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 15335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_CB *p_cb = &btm_cb; 15345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_rec = btm_find_dev (bda); 15355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BT_OCTET8 dummy_rand = {0}; 15365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 15375344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_start_encrypt"); 15385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 15397fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta if (!p_rec ) 15407fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta { 15415344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("Link is not active, can not encrypt!"); 15427fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta return BTM_WRONG_MODE; 15437fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta } 15447fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta 15457fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta if (p_rec->sec_state == BTM_SEC_STATE_ENCRYPTING) 15467fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta { 15475344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_WARNING("Link Encryption is active, Busy!"); 15487fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta return BTM_BUSY; 15497fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta } 15505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 15517fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta p_cb->enc_handle = p_rec->ble_hci_handle; 15525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 15535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (use_stk) 15545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1555b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski btsnd_hcic_ble_start_enc(p_rec->ble_hci_handle, dummy_rand, 0, stk); 15565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1557ca22ac493ab777199084d87b3c7627e7f27555afAndre Eisenbach else if (p_rec->ble.key_type & BTM_LE_KEY_PENC) 15585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1559b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski btsnd_hcic_ble_start_enc(p_rec->ble_hci_handle, p_rec->ble.keys.rand, 1560b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski p_rec->ble.keys.ediv, p_rec->ble.keys.pltk); 15615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1562ca22ac493ab777199084d87b3c7627e7f27555afAndre Eisenbach else 1563ca22ac493ab777199084d87b3c7627e7f27555afAndre Eisenbach { 15645344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("No key available to encrypt the link"); 1565b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski return BTM_NO_RESOURCES; 15666975b4d711142b885af479721cada448952c6b41Andre Eisenbach } 1567ca22ac493ab777199084d87b3c7627e7f27555afAndre Eisenbach 1568b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski if (p_rec->sec_state == BTM_SEC_STATE_IDLE) 1569b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski p_rec->sec_state = BTM_SEC_STATE_ENCRYPTING; 1570b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski 1571b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski return BTM_CMD_STARTED; 15725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 15735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 15745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1575ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1576ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_link_encrypted 1577ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1578ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called when LE link encrption status is changed. 1579ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1580ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 1581ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1582ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1583d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_link_encrypted(BD_ADDR bd_addr, uint8_t encr_enable) 15845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 15855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bd_addr); 1586d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool enc_cback; 1587ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1588ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (!p_dev_rec) 1589ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta { 15905344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_WARNING ("btm_ble_link_encrypted (No Device Found!) encr_enable=%d", encr_enable); 1591ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta return; 1592ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta } 15935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 15945344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_link_encrypted encr_enable=%d", encr_enable); 15955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1596ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta enc_cback = (p_dev_rec->sec_state == BTM_SEC_STATE_ENCRYPTING); 1597ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 15985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project smp_link_encrypted(bd_addr, encr_enable); 15995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 16005344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG(" p_dev_rec->sec_flags=0x%x", p_dev_rec->sec_flags); 16015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1602ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (encr_enable && p_dev_rec->enc_key_size == 0) 1603ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta p_dev_rec->enc_key_size = p_dev_rec->ble.keys.key_size; 1604ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1605ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; 1606ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (p_dev_rec->p_callback && enc_cback) 1607ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta { 1608ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (encr_enable) 1609d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen btm_sec_dev_rec_cback_event(p_dev_rec, BTM_SUCCESS, true); 1610ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta else if (p_dev_rec->role_master) 1611d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen btm_sec_dev_rec_cback_event(p_dev_rec, BTM_ERR_PROCESSING, true); 16125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 16135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 1614ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta /* to notify GATT to send data if any request is pending */ 1615e28055315f96c0d06e73a66a9bb06df85247b5a7Chaojing Sun gatt_notify_enc_cmpl(p_dev_rec->ble.pseudo_addr); 16165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 16175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 16185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1619ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1620ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_ltk_request_reply 1621ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1622ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to send a LTK request reply on a slave 1623ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * device. 1624ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1625ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 1626ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1627ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1628d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_ltk_request_reply(BD_ADDR bda, bool use_stk, BT_OCTET16 stk) 16295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 16305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_rec = btm_find_dev (bda); 16315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_CB *p_cb = &btm_cb; 16325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 16335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_rec == NULL) 16345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 16355344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("btm_ble_ltk_request_reply received for unknown device"); 16365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 16375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 16385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 16395344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_ltk_request_reply"); 16407fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta p_cb->enc_handle = p_rec->ble_hci_handle; 16415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_cb->key_size = p_rec->ble.keys.key_size; 16425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 16435344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("key size = %d", p_rec->ble.keys.key_size); 16445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (use_stk) 16455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 16465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btsnd_hcic_ble_ltk_req_reply(btm_cb.enc_handle, stk); 16475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 16485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else /* calculate LTK using peer device */ 16495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1650444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (p_rec->ble.key_type & BTM_LE_KEY_LENC) 1651444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji btsnd_hcic_ble_ltk_req_reply(btm_cb.enc_handle, p_rec->ble.keys.lltk); 1652444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji else 1653444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji btsnd_hcic_ble_ltk_req_neg_reply(btm_cb.enc_handle); 16545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 16555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 16565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 16575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 1658ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1659ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_io_capabilities_req 1660ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1661ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to handle SMP get IO capability request. 1662ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1663ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 1664ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1665ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1666d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenuint8_t btm_ble_io_capabilities_req(tBTM_SEC_DEV_REC *p_dev_rec, tBTM_LE_IO_REQ *p_data) 16675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 1668d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t callback_rc = BTM_SUCCESS; 16695344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_io_capabilities_req"); 16705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (btm_cb.api.p_le_callback) 16715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 16725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* the callback function implementation may change the IO capability... */ 16735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project callback_rc = (*btm_cb.api.p_le_callback) (BTM_LE_IO_REQ_EVT, p_dev_rec->bd_addr, (tBTM_LE_EVT_DATA *)p_data); 16745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 16755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((callback_rc == BTM_SUCCESS) || (BTM_OOB_UNKNOWN != p_data->oob_data)) 16765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 1677d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen#if (BTM_BLE_CONFORMANCE_TESTING == TRUE) 1678a6ce7751d84218c193eb90d390aef23217b1737eWei Wang if (btm_cb.devcb.keep_rfu_in_auth_req) 1679a6ce7751d84218c193eb90d390aef23217b1737eWei Wang { 16805344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_io_capabilities_req keep_rfu_in_auth_req = %u", 1681a6ce7751d84218c193eb90d390aef23217b1737eWei Wang btm_cb.devcb.keep_rfu_in_auth_req); 1682a6ce7751d84218c193eb90d390aef23217b1737eWei Wang p_data->auth_req &= BTM_LE_AUTH_REQ_MASK_KEEP_RFU; 1683d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen btm_cb.devcb.keep_rfu_in_auth_req = false; 1684a6ce7751d84218c193eb90d390aef23217b1737eWei Wang } 1685a6ce7751d84218c193eb90d390aef23217b1737eWei Wang else 1686a6ce7751d84218c193eb90d390aef23217b1737eWei Wang { /* default */ 1687a6ce7751d84218c193eb90d390aef23217b1737eWei Wang p_data->auth_req &= BTM_LE_AUTH_REQ_MASK; 1688a6ce7751d84218c193eb90d390aef23217b1737eWei Wang } 1689a6ce7751d84218c193eb90d390aef23217b1737eWei Wang#else 16905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->auth_req &= BTM_LE_AUTH_REQ_MASK; 1691a6ce7751d84218c193eb90d390aef23217b1737eWei Wang#endif 16925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 16935344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_io_capabilities_req 1: p_dev_rec->security_required = %d auth_req:%d", 16945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev_rec->security_required, p_data->auth_req); 16955344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_io_capabilities_req 2: i_keys=0x%x r_keys=0x%x (bit 0-LTK 1-IRK 2-CSRK)", 16965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->init_keys, 16975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->resp_keys); 16985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 16995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* if authentication requires MITM protection, put on the mask */ 17005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev_rec->security_required & BTM_SEC_IN_MITM) 17015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->auth_req |= BTM_LE_AUTH_REQ_MITM; 17025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 17035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (!(p_data->auth_req & SMP_AUTH_BOND)) 17045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 17055344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG("Non bonding: No keys should be exchanged"); 17065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->init_keys = 0; 17075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->resp_keys = 0; 17085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 17095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 17105344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_io_capabilities_req 3: auth_req:%d", p_data->auth_req); 17115344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_io_capabilities_req 4: i_keys=0x%x r_keys=0x%x", 17125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->init_keys, 17135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->resp_keys); 17145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 17155344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_io_capabilities_req 5: p_data->io_cap = %d auth_req:%d", 17165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->io_cap, p_data->auth_req); 17175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 17185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* remove MITM protection requirement if IO cap does not allow it */ 17195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if ((p_data->io_cap == BTM_IO_CAP_NONE) && p_data->oob_data == SMP_OOB_NONE) 17205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->auth_req &= ~BTM_LE_AUTH_REQ_MITM; 17215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1722444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (!(p_data->auth_req & SMP_SC_SUPPORT_BIT)) 1723444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 1724444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji /* if Secure Connections are not supported then remove LK derivation, 1725444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji ** and keypress notifications. 1726444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji */ 1727444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_DEBUG("%s-SC not supported -> No LK derivation, no keypress notifications", 1728444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji __func__); 1729444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji p_data->auth_req &= ~SMP_KP_SUPPORT_BIT; 1730444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji p_data->init_keys &= ~SMP_SEC_KEY_TYPE_LK; 1731444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji p_data->resp_keys &= ~SMP_SEC_KEY_TYPE_LK; 1732444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 1733444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 1734444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_DEBUG ("btm_ble_io_capabilities_req 6: IO_CAP:%d oob_data:%d auth_req:0x%02x", 17355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_data->io_cap, p_data->oob_data, p_data->auth_req); 17365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 17375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return callback_rc; 17385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 17395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1740444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji/******************************************************************************* 1741ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1742ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_br_keys_req 1743ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1744ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to handle SMP request for keys sent 1745ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * over BR/EDR. 1746ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1747ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 1748ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1749ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1750d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenuint8_t btm_ble_br_keys_req(tBTM_SEC_DEV_REC *p_dev_rec, tBTM_LE_IO_REQ *p_data) 1751444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji{ 1752d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t callback_rc = BTM_SUCCESS; 1753444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_DEBUG ("%s", __func__); 1754444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (btm_cb.api.p_le_callback) 1755444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 1756444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji /* the callback function implementation may change the IO capability... */ 1757444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji callback_rc = (*btm_cb.api.p_le_callback) (BTM_LE_IO_REQ_EVT, p_dev_rec->bd_addr, 1758444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji (tBTM_LE_EVT_DATA *)p_data); 1759444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 1760444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 1761444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji return callback_rc; 1762444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji} 1763444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 1764d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen#if (BLE_PRIVACY_SPT == TRUE) 17658b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu/******************************************************************************* 1766ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1767ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_resolve_random_addr_on_conn_cmpl 1768ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1769ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description resolve random address complete on connection complete event. 1770ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1771ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 1772ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1773ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 17748b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xustatic void btm_ble_resolve_random_addr_on_conn_cmpl(void * p_rec, void *p_data) 17758b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu{ 1776d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t *p = (uint8_t *)p_data; 17778b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu tBTM_SEC_DEV_REC *match_rec = (tBTM_SEC_DEV_REC *) p_rec; 1778d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t role, bda_type; 1779d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint16_t handle; 17808b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu BD_ADDR bda; 1781d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint16_t conn_interval, conn_latency, conn_timeout; 1782d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool match = false; 17838b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu 1784f1c764fab01c929f71e185b97433bf40938026d3Sharvil Nanavati ++p; 17858b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu STREAM_TO_UINT16 (handle, p); 17868b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu STREAM_TO_UINT8 (role, p); 17878b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu STREAM_TO_UINT8 (bda_type, p); 17888b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu STREAM_TO_BDADDR (bda, p); 17898b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu STREAM_TO_UINT16 (conn_interval, p); 17908b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu STREAM_TO_UINT16 (conn_latency, p); 17918b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu STREAM_TO_UINT16 (conn_timeout, p); 17928b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu 17938b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu handle = HCID_GET_HANDLE (handle); 17948b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu 1795f8027005333c88a2f097cfd70d15c3d54c7764aeChris Manton BTM_TRACE_EVENT ("%s", __func__); 17968b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu 17978b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu if (match_rec) 17988b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu { 1799db554581079863974af8e1289646f5deea6fc044Marie Janssen LOG_INFO(LOG_TAG, "%s matched and resolved random address", __func__); 1800d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen match = true; 18018b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu match_rec->ble.active_addr_type = BTM_BLE_ADDR_RRA; 18028b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu memcpy(match_rec->ble.cur_rand_addr, bda, BD_ADDR_LEN); 1803905c72de29add7963b48e016b87e5ebe1a5f8503Satya Calloji if (!btm_ble_init_pseudo_addr (match_rec, bda)) 1804905c72de29add7963b48e016b87e5ebe1a5f8503Satya Calloji { 1805905c72de29add7963b48e016b87e5ebe1a5f8503Satya Calloji /* assign the original address to be the current report address */ 1806905c72de29add7963b48e016b87e5ebe1a5f8503Satya Calloji memcpy(bda, match_rec->ble.pseudo_addr, BD_ADDR_LEN); 1807905c72de29add7963b48e016b87e5ebe1a5f8503Satya Calloji } 1808905c72de29add7963b48e016b87e5ebe1a5f8503Satya Calloji else 1809905c72de29add7963b48e016b87e5ebe1a5f8503Satya Calloji { 1810905c72de29add7963b48e016b87e5ebe1a5f8503Satya Calloji memcpy(bda, match_rec->bd_addr, BD_ADDR_LEN); 1811905c72de29add7963b48e016b87e5ebe1a5f8503Satya Calloji } 18128b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu } 18138b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu else 18148b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu { 1815db554581079863974af8e1289646f5deea6fc044Marie Janssen LOG_INFO(LOG_TAG, "%s unable to match and resolve random address", __func__); 18168b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu } 18178b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu 18188b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu btm_ble_connected(bda, handle, HCI_ENCRYPT_MODE_DISABLED, role, bda_type, match); 18198b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu 18208b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu l2cble_conn_comp (handle, role, bda, bda_type, conn_interval, 18218b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu conn_latency, conn_timeout); 18228b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu 18238b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu return; 18248b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu} 18258b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu#endif 18268b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu 1827ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta/******************************************************************************* 1828ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1829ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_connected 1830ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1831ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is when a LE connection to the peer device is 1832ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * establsihed 1833ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1834ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 1835ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1836ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 1837d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_connected (uint8_t *bda, uint16_t handle, uint8_t enc_mode, uint8_t role, 1838d35a648d39710bbc5ac59f8add85166455af5af7Myles Watson tBLE_ADDR_TYPE addr_type, 1839d35a648d39710bbc5ac59f8add85166455af5af7Myles Watson UNUSED_ATTR bool addr_matched) 1840ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta{ 1841ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bda); 1842ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb; 1843ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 18445344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_EVENT ("btm_ble_connected"); 1845ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1846ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta /* Commenting out trace due to obf/compilation problems. 1847ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta */ 1848ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (p_dev_rec) 1849ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta { 18505344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_EVENT ("Security Manager: btm_ble_connected : handle:%d enc_mode:%d bda:%x RName:%s", 1851ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta handle, enc_mode, 1852ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta (bda[2]<<24)+(bda[3]<<16)+(bda[4]<<8)+bda[5], 1853ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta p_dev_rec->sec_bd_name); 1854ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 18555344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_connected sec_flags=0x%x",p_dev_rec->sec_flags); 1856ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta } 1857ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta else 1858ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta { 18595344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_EVENT ("Security Manager: btm_ble_connected: handle:%d enc_mode:%d bda:%x ", 1860ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta handle, enc_mode, 1861ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta (bda[2]<<24)+(bda[3]<<16)+(bda[4]<<8)+bda[5]); 1862ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta } 1863ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1864ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (!p_dev_rec) 1865ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta { 1866ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta /* There is no device record for new connection. Allocate one */ 1867f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen p_dev_rec = btm_sec_alloc_dev(bda); 1868f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen if (p_dev_rec == NULL) 18692808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji return; 1870ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta } 1871ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta else /* Update the timestamp for this device */ 1872ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta { 1873ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta p_dev_rec->timestamp = btm_cb.dev_rec_count++; 1874ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta } 1875ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1876ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta /* update device information */ 1877ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta p_dev_rec->device_type |= BT_DEVICE_TYPE_BLE; 18787fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta p_dev_rec->ble_hci_handle = handle; 1879ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta p_dev_rec->ble.ble_addr_type = addr_type; 18802808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji /* update pseudo address */ 18812808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji memcpy(p_dev_rec->ble.pseudo_addr, bda, BD_ADDR_LEN); 1882ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1883d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen p_dev_rec->role_master = false; 1884ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (role == HCI_ROLE_MASTER) 1885d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen p_dev_rec->role_master = true; 1886ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1887d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen#if (BLE_PRIVACY_SPT == TRUE) 18888b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu if (!addr_matched) 18898b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu p_dev_rec->ble.active_addr_type = BTM_BLE_ADDR_PSEUDO; 18908b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu 18918b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu if (p_dev_rec->ble.ble_addr_type == BLE_ADDR_RANDOM && !addr_matched) 18928b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu memcpy(p_dev_rec->ble.cur_rand_addr, bda, BD_ADDR_LEN); 18938b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu#endif 18948b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu 1895444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji p_cb->inq_var.directed_conn = BTM_BLE_CONNECT_EVT; 1896ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1897ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta return; 1898ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta} 1899ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1900ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta/***************************************************************************** 1901ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_conn_complete 1902ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1903ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description LE connection complete. 1904ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1905ee96a3c60fca590d38025925c072d264e06493c4Myles Watson *****************************************************************************/ 1906d35a648d39710bbc5ac59f8add85166455af5af7Myles Watsonvoid btm_ble_conn_complete(uint8_t *p, 1907d35a648d39710bbc5ac59f8add85166455af5af7Myles Watson UNUSED_ATTR uint16_t evt_len, bool enhanced) 1908ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta{ 1909d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen#if (BLE_PRIVACY_SPT == TRUE) 1910d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t *p_data = p, peer_addr_type; 1911a9ea43bb168d35b6bd73f995d1f87e50deaf69d4Pavlin Radoslavov BD_ADDR local_rpa, peer_rpa; 19128b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu#endif 1913d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t role, status, bda_type; 1914d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint16_t handle; 1915a9ea43bb168d35b6bd73f995d1f87e50deaf69d4Pavlin Radoslavov BD_ADDR bda; 1916d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint16_t conn_interval, conn_latency, conn_timeout; 1917d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool match = false; 1918ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1919ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta STREAM_TO_UINT8 (status, p); 1920ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta STREAM_TO_UINT16 (handle, p); 1921ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta STREAM_TO_UINT8 (role, p); 1922ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta STREAM_TO_UINT8 (bda_type, p); 1923ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta STREAM_TO_BDADDR (bda, p); 1924ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 1925ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (status == 0) 1926ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta { 1927d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen#if (BLE_PRIVACY_SPT == TRUE) 1928d9bb94cbaca4dd30c53ebe5d0722756b1d08314cIan Coolidge peer_addr_type = bda_type; 1929d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen match = btm_identity_addr_to_random_pseudo (bda, &bda_type, true); 193016fe0822ccd3eb6f66d3afd9965d25a0a0cb4c30Prerepa Viswanadham 1931444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (enhanced) 1932444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 1933444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji STREAM_TO_BDADDR (local_rpa, p); 1934444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji STREAM_TO_BDADDR (peer_rpa, p); 1935444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 193616fe0822ccd3eb6f66d3afd9965d25a0a0cb4c30Prerepa Viswanadham 19373858011befbf62ac8c38af1493d9c61d43f999daSharvil Nanavati /* possiblly receive connection complete with resolvable random while 19383858011befbf62ac8c38af1493d9c61d43f999daSharvil Nanavati the device has been paired */ 19393858011befbf62ac8c38af1493d9c61d43f999daSharvil Nanavati if (!match && BTM_BLE_IS_RESOLVE_BDA(bda)) 19408b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu { 19418b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu btm_ble_resolve_random_addr(bda, btm_ble_resolve_random_addr_on_conn_cmpl, p_data); 19428b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu } 19438b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu else 19448b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu#endif 19458b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu { 19468b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu STREAM_TO_UINT16 (conn_interval, p); 19478b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu STREAM_TO_UINT16 (conn_latency, p); 19488b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu STREAM_TO_UINT16 (conn_timeout, p); 19498b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu handle = HCID_GET_HANDLE (handle); 1950ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 19518b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu btm_ble_connected(bda, handle, HCI_ENCRYPT_MODE_DISABLED, role, bda_type, match); 1952444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 19538b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu l2cble_conn_comp (handle, role, bda, bda_type, conn_interval, 1954ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta conn_latency, conn_timeout); 1955444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 1956444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji#if (BLE_PRIVACY_SPT == TRUE) 1957444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (enhanced) 1958444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 1959444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji btm_ble_refresh_local_resolvable_private_addr(bda, local_rpa); 1960444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 1961444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (peer_addr_type & BLE_ADDR_TYPE_ID_BIT) 1962444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji btm_ble_refresh_peer_resolvable_private_addr(bda, peer_rpa, BLE_ADDR_RANDOM); 1963444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 1964444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji#endif 19658b35b3fccc065730e6f0ee1050d3e4528e58ea37Zhihai Xu } 1966ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta } 1967ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta else 1968ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta { 1969ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta role = HCI_ROLE_UNKNOWN; 1970a6ce7751d84218c193eb90d390aef23217b1737eWei Wang if (status != HCI_ERR_DIRECTED_ADVERTISING_TIMEOUT) 197170b9598970e5b18ba53c282319e68faea6eb5681Satya Calloji { 1972a6ce7751d84218c193eb90d390aef23217b1737eWei Wang btm_ble_set_conn_st(BLE_CONN_IDLE); 1973d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen#if (BLE_PRIVACY_SPT == TRUE) 1974d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen btm_ble_disable_resolving_list(BTM_BLE_RL_INIT, true); 1975a021a12987c4257d137437c6de9438b3344c6f6bAndre Eisenbach#endif 197670b9598970e5b18ba53c282319e68faea6eb5681Satya Calloji } 197770b9598970e5b18ba53c282319e68faea6eb5681Satya Calloji else 197870b9598970e5b18ba53c282319e68faea6eb5681Satya Calloji { 1979d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen#if (BLE_PRIVACY_SPT == TRUE) 1980905c72de29add7963b48e016b87e5ebe1a5f8503Satya Calloji btm_cb.ble_ctr_cb.inq_var.adv_mode = BTM_BLE_ADV_DISABLE; 1981d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen btm_ble_disable_resolving_list(BTM_BLE_RL_ADV, true); 1982a021a12987c4257d137437c6de9438b3344c6f6bAndre Eisenbach#endif 198391f012208070d71e6e9e0f38aa36e78e99f2ff4eZhihai Xu } 198470b9598970e5b18ba53c282319e68faea6eb5681Satya Calloji } 1985444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 198624adb37e4106bf8544c7729d34451fdf2777c4dcPriti Aghera btm_ble_update_mode_operation(role, bda, status); 1987ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta} 1988ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 19895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/***************************************************************************** 1990ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_create_ll_conn_complete 1991ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1992ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description LE connection complete. 1993ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 1994ee96a3c60fca590d38025925c072d264e06493c4Myles Watson *****************************************************************************/ 1995d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_create_ll_conn_complete (uint8_t status) 199624adb37e4106bf8544c7729d34451fdf2777c4dcPriti Aghera{ 1997444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (status != HCI_SUCCESS) 199824adb37e4106bf8544c7729d34451fdf2777c4dcPriti Aghera { 199924adb37e4106bf8544c7729d34451fdf2777c4dcPriti Aghera btm_ble_set_conn_st(BLE_CONN_IDLE); 200024adb37e4106bf8544c7729d34451fdf2777c4dcPriti Aghera btm_ble_update_mode_operation(HCI_ROLE_UNKNOWN, NULL, status); 200124adb37e4106bf8544c7729d34451fdf2777c4dcPriti Aghera } 200224adb37e4106bf8544c7729d34451fdf2777c4dcPriti Aghera} 200324adb37e4106bf8544c7729d34451fdf2777c4dcPriti Aghera/***************************************************************************** 2004ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_proc_smp_cback 2005ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2006ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is the SMP callback handler. 2007ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2008ee96a3c60fca590d38025925c072d264e06493c4Myles Watson *****************************************************************************/ 2009d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenuint8_t btm_proc_smp_cback(tSMP_EVT event, BD_ADDR bd_addr, tSMP_EVT_DATA *p_data) 20105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 20115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bd_addr); 2012d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t res = 0; 20135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 20145344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_proc_smp_cback event = %d", event); 20155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 20165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev_rec != NULL) 20175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 20185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (event) 20195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 20205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case SMP_IO_CAP_REQ_EVT: 20215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_ble_io_capabilities_req(p_dev_rec, (tBTM_LE_IO_REQ *)&p_data->io_req); 20225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 20235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2024444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji case SMP_BR_KEYS_REQ_EVT: 2025444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji btm_ble_br_keys_req(p_dev_rec, (tBTM_LE_IO_REQ *)&p_data->io_req); 2026444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji break; 2027444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 20285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case SMP_PASSKEY_REQ_EVT: 20295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case SMP_PASSKEY_NOTIF_EVT: 20305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case SMP_OOB_REQ_EVT: 2031444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji case SMP_NC_REQ_EVT: 2032444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji case SMP_SC_OOB_REQ_EVT: 2033444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji /* fall through */ 20347fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta p_dev_rec->sec_flags |= BTM_SEC_LE_AUTHENTICATED; 20357fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta 20365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case SMP_SEC_REQUEST_EVT: 2037034a362ffc40ccd7c2e79f965ed94f51c7706b72Nitin Arora if (event == SMP_SEC_REQUEST_EVT && btm_cb.pairing_state != BTM_PAIR_STATE_IDLE) 2038034a362ffc40ccd7c2e79f965ed94f51c7706b72Nitin Arora { 2039034a362ffc40ccd7c2e79f965ed94f51c7706b72Nitin Arora BTM_TRACE_DEBUG("%s: Ignoring SMP Security request", __func__); 2040034a362ffc40ccd7c2e79f965ed94f51c7706b72Nitin Arora break; 2041034a362ffc40ccd7c2e79f965ed94f51c7706b72Nitin Arora } 20426975b4d711142b885af479721cada448952c6b41Andre Eisenbach memcpy (btm_cb.pairing_bda, bd_addr, BD_ADDR_LEN); 20436975b4d711142b885af479721cada448952c6b41Andre Eisenbach p_dev_rec->sec_state = BTM_SEC_STATE_AUTHENTICATING; 20447fa4fba6f59f97df00aff07dbe8fb21b114b3c2cGanesh Ganapathi Batta btm_cb.pairing_flags |= BTM_PAIR_FLAGS_LE_ACTIVE; 20456975b4d711142b885af479721cada448952c6b41Andre Eisenbach /* fall through */ 2046444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 20475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case SMP_COMPLT_EVT: 20485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (btm_cb.api.p_le_callback) 20495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 20505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* the callback function implementation may change the IO capability... */ 20515344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_cb.api.p_le_callback=0x%x", btm_cb.api.p_le_callback ); 2052ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta (*btm_cb.api.p_le_callback) (event, bd_addr, (tBTM_LE_EVT_DATA *)p_data); 20535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 20545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 20555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (event == SMP_COMPLT_EVT) 20565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 20575344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("evt=SMP_COMPLT_EVT before update sec_level=0x%x sec_flags=0x%x", p_data->cmplt.sec_level , p_dev_rec->sec_flags ); 20585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 20595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project res = (p_data->cmplt.reason == SMP_SUCCESS) ? BTM_SUCCESS : BTM_ERR_PROCESSING; 20605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 20615344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("after update result=%d sec_level=0x%x sec_flags=0x%x", 20625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project res, p_data->cmplt.sec_level , p_dev_rec->sec_flags ); 20635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 20645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_data->cmplt.is_pair_cancel && btm_cb.api.p_bond_cancel_cmpl_callback ) 20655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 20665344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("Pairing Cancel completed"); 20675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (*btm_cb.api.p_bond_cancel_cmpl_callback)(BTM_SUCCESS); 20685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2069d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen#if (BTM_BLE_CONFORMANCE_TESTING == TRUE) 20705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (res != BTM_SUCCESS) 20715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 20726975b4d711142b885af479721cada448952c6b41Andre Eisenbach if (!btm_cb.devcb.no_disc_if_pair_fail && p_data->cmplt.reason != SMP_CONN_TOUT) 20735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2074444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_DEBUG ("Pairing failed - prepare to remove ACL"); 2075444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji l2cu_start_post_bond_timer(p_dev_rec->ble_hci_handle); 20765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 20775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 20785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 20795344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("Pairing failed - Not Removing ACL"); 2080ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; 20815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 20825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 20835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#else 20846975b4d711142b885af479721cada448952c6b41Andre Eisenbach if (res != BTM_SUCCESS && p_data->cmplt.reason != SMP_CONN_TOUT) 2085444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 2086444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_DEBUG ("Pairing failed - prepare to remove ACL"); 2087444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji l2cu_start_post_bond_timer(p_dev_rec->ble_hci_handle); 2088444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 20895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif 20905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 20915344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_cb pairing_state=%x pairing_flags=%x pin_code_len=%x", 20925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_cb.pairing_state, 20935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_cb.pairing_flags, 20945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_cb.pin_code_len ); 20955344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_cb.pairing_bda %02x:%02x:%02x:%02x:%02x:%02x", 20965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_cb.pairing_bda[0], btm_cb.pairing_bda[1], btm_cb.pairing_bda[2], 20975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_cb.pairing_bda[3], btm_cb.pairing_bda[4], btm_cb.pairing_bda[5]); 2098444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2099034a362ffc40ccd7c2e79f965ed94f51c7706b72Nitin Arora /* Reset btm state only if the callback address matches pairing address*/ 2100034a362ffc40ccd7c2e79f965ed94f51c7706b72Nitin Arora if(memcmp(bd_addr, btm_cb.pairing_bda, BD_ADDR_LEN) == 0) 2101034a362ffc40ccd7c2e79f965ed94f51c7706b72Nitin Arora { 2102034a362ffc40ccd7c2e79f965ed94f51c7706b72Nitin Arora memset (btm_cb.pairing_bda, 0xff, BD_ADDR_LEN); 2103034a362ffc40ccd7c2e79f965ed94f51c7706b72Nitin Arora btm_cb.pairing_state = BTM_PAIR_STATE_IDLE; 2104034a362ffc40ccd7c2e79f965ed94f51c7706b72Nitin Arora btm_cb.pairing_flags = 0; 2105034a362ffc40ccd7c2e79f965ed94f51c7706b72Nitin Arora } 2106444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2107444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (res == BTM_SUCCESS) 2108444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 2109444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji p_dev_rec->sec_state = BTM_SEC_STATE_IDLE; 2110d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen#if (BLE_PRIVACY_SPT == TRUE) 2111444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji /* add all bonded device into resolving list if IRK is available*/ 2112444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji btm_ble_resolving_list_load_dev(p_dev_rec); 2113444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji#endif 2114444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 2115444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2116d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen btm_sec_dev_rec_cback_event(p_dev_rec, res, true); 21175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 21185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 21195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 21205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project default: 21215344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("unknown event = %d", event); 21225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 21235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 21245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 21255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 21265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 21275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 21285344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("btm_proc_smp_cback received for unknown device"); 21295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 21305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 21315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return 0; 21325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 21335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 21345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2135ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2136ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleDataSignature 2137ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2138ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to sign the data using AES128 CMAC 2139ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * algorith. 2140ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2141ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameter bd_addr: target device the data to be signed for. 2142ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_text: singing data 2143ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * len: length of the data to be signed. 2144ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * signature: output parameter where data signature is going to 2145ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * be stored. 2146ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2147ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns true if signing sucessul, otherwise false. 2148ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2149ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2150d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenbool BTM_BleDataSignature (BD_ADDR bd_addr, uint8_t *p_text, uint16_t len, 21515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BLE_SIGNATURE signature) 21525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 2153444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji tBTM_SEC_DEV_REC *p_rec = btm_find_dev (bd_addr); 21545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2155444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_DEBUG ("%s", __func__); 2156d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool ret = false; 21575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_rec == NULL) 21585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2159444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_ERROR("%s-data signing can not be done from unknown device", __func__); 21605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 21615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 21625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2163d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t *p_mac = (uint8_t *)signature; 2164d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t *pp; 2165d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t *p_buf = (uint8_t *)osi_malloc(len + 4); 2166717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov 2167717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov BTM_TRACE_DEBUG("%s-Start to generate Local CSRK", __func__); 2168717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov pp = p_buf; 2169717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov /* prepare plain text */ 2170717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov if (p_text) { 2171717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov memcpy(p_buf, p_text, len); 2172717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov pp = (p_buf + len); 2173717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov } 21745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2175717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov UINT32_TO_STREAM(pp, p_rec->ble.keys.local_counter); 2176717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov UINT32_TO_STREAM(p_mac, p_rec->ble.keys.local_counter); 2177444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2178f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen ret = aes_cipher_msg_auth_code(p_rec->ble.keys.lcsrk, p_buf, (uint16_t)(len + 4), BTM_CMAC_TLEN_SIZE, p_mac); 2179f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen if (ret == true) { 2180d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen btm_ble_increment_sign_ctr(bd_addr, true); 21815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2182717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov 2183717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov BTM_TRACE_DEBUG("%s p_mac = %d", __func__, p_mac); 2184717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov BTM_TRACE_DEBUG("p_mac[0] = 0x%02x p_mac[1] = 0x%02x p_mac[2] = 0x%02x p_mac[3] = 0x%02x", 2185717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov *p_mac, *(p_mac + 1), *(p_mac + 2), *(p_mac + 3)); 2186717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov BTM_TRACE_DEBUG("p_mac[4] = 0x%02x p_mac[5] = 0x%02x p_mac[6] = 0x%02x p_mac[7] = 0x%02x", 2187717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov *(p_mac + 4), *(p_mac + 5), *(p_mac + 6), *(p_mac + 7)); 2188717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov osi_free(p_buf); 21895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 21905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return ret; 21915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 21925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 21935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2194ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2195ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleVerifySignature 2196ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2197ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to verify the data signature 2198ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2199ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Parameter bd_addr: target device the data to be signed for. 2200ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_orig: original data before signature. 2201ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * len: length of the signing data 2202ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * counter: counter used when doing data signing 2203ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * p_comp: signature to be compared against. 2204ee96a3c60fca590d38025925c072d264e06493c4Myles Watson 2205ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns true if signature verified correctly; otherwise false. 2206ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2207ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2208d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenbool BTM_BleVerifySignature (BD_ADDR bd_addr, uint8_t *p_orig, uint16_t len, uint32_t counter, 2209d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t *p_comp) 22105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 2211d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool verified = false; 2212444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji tBTM_SEC_DEV_REC *p_rec = btm_find_dev (bd_addr); 2213d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t p_mac[BTM_CMAC_TLEN_SIZE]; 22145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 22155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_rec == NULL || (p_rec && !(p_rec->ble.key_type & BTM_LE_KEY_PCSRK))) 22165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 22175344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("can not verify signature for unknown device"); 22185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 22195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (counter < p_rec->ble.keys.counter) 22205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 22215344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("signature received with out dated sign counter"); 22225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 22235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else if (p_orig == NULL) 22245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 22255344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("No signature to verify"); 22265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 22275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 22285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2229444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_DEBUG ("%s rcv_cnt=%d >= expected_cnt=%d", __func__, counter, 2230444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji p_rec->ble.keys.counter); 22315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2232fd6d3aea8be32cc1b47e349ebf002f6177d7ca7dAndre Eisenbach if (aes_cipher_msg_auth_code(p_rec->ble.keys.pcsrk, p_orig, len, BTM_CMAC_TLEN_SIZE, p_mac)) 22335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 22345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (memcmp(p_mac, p_comp, BTM_CMAC_TLEN_SIZE) == 0) 22355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2236d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen btm_ble_increment_sign_ctr(bd_addr, false); 2237d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen verified = true; 22385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 22395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 22405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 22415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return verified; 22425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 22435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 22445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2245ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2246ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_GetLeSecurityState 2247ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2248ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to get security mode 1 flags and 2249ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * encryption key size for LE peer. 2250ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2251ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns bool true if LE device is found, false otherwise. 2252ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2253ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2254d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenbool BTM_GetLeSecurityState (BD_ADDR bd_addr, uint8_t *p_le_dev_sec_flags, uint8_t *p_le_key_size) 2255444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji{ 2256444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji tBTM_SEC_DEV_REC *p_dev_rec; 2257d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint16_t dev_rec_sec_flags; 2258444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2259444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji *p_le_dev_sec_flags = 0; 2260444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji *p_le_key_size = 0; 2261444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2262f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen p_dev_rec = btm_find_dev(bd_addr); 2263f33b6f434f086b20fabe5913016bc423ac975057Marie Janssen if (p_dev_rec == NULL) 2264444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 2265444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_ERROR ("%s fails", __func__); 2266d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return (false); 2267444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 2268444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2269717a4a9f3a044f264ec2482c2d1806ec3093707aPavlin Radoslavov if (p_dev_rec->ble_hci_handle == BTM_SEC_INVALID_HANDLE) { 2270444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_ERROR ("%s-this is not LE device", __func__); 2271d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return (false); 2272444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 2273444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2274444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji dev_rec_sec_flags = p_dev_rec->sec_flags; 2275444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2276444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (dev_rec_sec_flags & BTM_SEC_LE_ENCRYPTED) 2277444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 2278444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji /* link is encrypted with LTK or STK */ 2279444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji *p_le_key_size = p_dev_rec->enc_key_size; 2280444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji *p_le_dev_sec_flags |= BTM_SEC_LE_LINK_ENCRYPTED; 2281444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2282444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji *p_le_dev_sec_flags |= (dev_rec_sec_flags & BTM_SEC_LE_AUTHENTICATED) 2283444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji ? BTM_SEC_LE_LINK_PAIRED_WITH_MITM /* set auth LTK flag */ 2284444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji : BTM_SEC_LE_LINK_PAIRED_WITHOUT_MITM; /* set unauth LTK flag */ 2285444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 2286444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji else if (p_dev_rec->ble.key_type & BTM_LE_KEY_PENC) 2287444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 2288444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji /* link is unencrypted, still LTK is available */ 2289444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji *p_le_key_size = p_dev_rec->ble.keys.key_size; 2290444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2291444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji *p_le_dev_sec_flags |= (dev_rec_sec_flags & BTM_SEC_LE_LINK_KEY_AUTHED) 2292444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji ? BTM_SEC_LE_LINK_PAIRED_WITH_MITM /* set auth LTK flag */ 2293444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji : BTM_SEC_LE_LINK_PAIRED_WITHOUT_MITM; /* set unauth LTK flag */ 2294444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 2295444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2296444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_DEBUG ("%s - le_dev_sec_flags: 0x%02x, le_key_size: %d", 2297444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji __func__, *p_le_dev_sec_flags, *p_le_key_size); 2298444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2299d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return true; 2300444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji} 2301444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2302444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji/******************************************************************************* 2303ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2304ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleSecurityProcedureIsRunning 2305ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2306ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function indicates if LE security procedure is 2307ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * currently running with the peer. 2308ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2309ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns bool true if security procedure is running, false otherwise. 2310ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2311ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2312d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenbool BTM_BleSecurityProcedureIsRunning(BD_ADDR bd_addr) 2313444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji{ 2314444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bd_addr); 2315444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2316444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (p_dev_rec == NULL) 2317444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 2318444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_ERROR ("%s device with BDA: %08x%04x is not found", 2319444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji __func__, (bd_addr[0]<<24)+(bd_addr[1]<<16)+(bd_addr[2]<<8)+bd_addr[3], 2320444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji (bd_addr[4]<<8)+bd_addr[5]); 2321d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen return false; 2322444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 2323444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2324444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji return (p_dev_rec->sec_state == BTM_SEC_STATE_ENCRYPTING || 2325444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji p_dev_rec->sec_state == BTM_SEC_STATE_AUTHENTICATING); 2326444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji} 2327444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2328444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji/******************************************************************************* 2329ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2330ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function BTM_BleGetSupportedKeySize 2331ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2332ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function gets the maximum encryption key size in bytes 2333ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * the local device can suport. 2334ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * record. 2335ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2336ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns the key size or 0 if the size can't be retrieved. 2337ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2338ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2339d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenextern uint8_t BTM_BleGetSupportedKeySize (BD_ADDR bd_addr) 2340444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji{ 234184baa7f16e830394408278dbb8c508dd9fa02887Myles Watson#if (L2CAP_LE_COC_INCLUDED == TRUE) 2342444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji tBTM_SEC_DEV_REC *p_dev_rec = btm_find_dev (bd_addr); 2343444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji tBTM_LE_IO_REQ dev_io_cfg; 2344d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t callback_rc; 2345444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2346444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (!p_dev_rec) 2347444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 2348444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_ERROR ("%s device with BDA: %08x%04x is not found", 2349444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji __func__,(bd_addr[0]<<24)+(bd_addr[1]<<16)+(bd_addr[2]<<8)+bd_addr[3], 2350444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji (bd_addr[4]<<8)+bd_addr[5]); 2351444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji return 0; 2352444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 2353444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2354444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (btm_cb.api.p_le_callback == NULL) 2355444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 2356444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_ERROR ("%s can't access supported key size",__func__); 2357444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji return 0; 2358444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 2359444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2360444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji callback_rc = (*btm_cb.api.p_le_callback) (BTM_LE_IO_REQ_EVT, p_dev_rec->bd_addr, 2361444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji (tBTM_LE_EVT_DATA *) &dev_io_cfg); 2362444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2363444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (callback_rc != BTM_SUCCESS) 2364444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji { 2365444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_ERROR ("%s can't access supported key size",__func__); 2366444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji return 0; 2367444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji } 2368444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2369444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji BTM_TRACE_DEBUG ("%s device supports key size = %d", __func__, dev_io_cfg.max_key_size); 2370444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji return (dev_io_cfg.max_key_size); 2371444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji#else 2372444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji return 0; 2373444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji#endif 2374444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji} 2375444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 2376444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji/******************************************************************************* 2377ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Utility functions for LE device IR/ER generation 2378ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 23795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2380ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2381ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_notify_new_key 2382ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2383ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is to notify application new keys have been 2384ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * generated. 2385ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2386ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2387ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2388ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2389d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenstatic void btm_notify_new_key(uint8_t key_type) 23905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 23915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tBTM_BLE_LOCAL_KEYS *p_locak_keys = NULL; 23925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 23935344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_notify_new_key key_type=%d", key_type); 23945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 23955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (btm_cb.api.p_le_key_callback) 23965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 23975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project switch (key_type) 23985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 23995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTM_BLE_KEY_TYPE_ID: 24005344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("BTM_BLE_KEY_TYPE_ID"); 24015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_locak_keys = (tBTM_BLE_LOCAL_KEYS *)&btm_cb.devcb.id_keys; 24025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 24035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 24045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project case BTM_BLE_KEY_TYPE_ER: 24055344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("BTM_BLE_KEY_TYPE_ER"); 2406444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji p_locak_keys = (tBTM_BLE_LOCAL_KEYS *)&btm_cb.devcb.ble_encryption_key_value; 24075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 24085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 24095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project default: 24105344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("unknown key type: %d", key_type); 24115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 24125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 24135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_locak_keys != NULL) 24145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project (*btm_cb.api.p_le_key_callback) (key_type, p_locak_keys); 24155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 24165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 24175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 24185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2419ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2420ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_process_er2 2421ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2422ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called when ER is generated, store it in 2423ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * local control block. 2424ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2425ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2426ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2427ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 24285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void btm_ble_process_er2(tBTM_RAND_ENC *p) 24295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 24305344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_process_er2"); 24315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 24325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p &&p->opcode == HCI_BLE_RAND) 24335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2434444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji memcpy(&btm_cb.devcb.ble_encryption_key_value[8], p->param_buf, BT_OCTET8_LEN); 24355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_notify_new_key(BTM_BLE_KEY_TYPE_ER); 24365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 24375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 24385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 24395344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("Generating ER2 exception."); 2440444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji memset(&btm_cb.devcb.ble_encryption_key_value, 0, sizeof(BT_OCTET16)); 24415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 24425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 24435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 24445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2445ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2446ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_process_er 2447ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2448ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called when ER is generated, store it in 2449ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * local control block. 2450ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2451ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2452ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2453ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 24545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void btm_ble_process_er(tBTM_RAND_ENC *p) 24555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 24565344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_process_er"); 24575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 24585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p &&p->opcode == HCI_BLE_RAND) 24595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 2460444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji memcpy(&btm_cb.devcb.ble_encryption_key_value[0], p->param_buf, BT_OCTET8_LEN); 24615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2462b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski btsnd_hcic_ble_rand((void *)btm_ble_process_er2); 24635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 24645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 24655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 24665344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("Generating ER1 exception."); 24675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 24685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 24695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 24705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2471ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2472ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_process_irk 2473ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2474ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called when IRK is generated, store it in 2475ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * local control block. 2476ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2477ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2478ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2479ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 24805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void btm_ble_process_irk(tSMP_ENC *p) 24815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 24825344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_process_irk"); 24835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p &&p->opcode == HCI_BLE_ENCRYPT) 24845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 24855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy(btm_cb.devcb.id_keys.irk, p->param_buf, BT_OCTET16_LEN); 24865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_notify_new_key(BTM_BLE_KEY_TYPE_ID); 24872808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji 2488d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen#if (BLE_PRIVACY_SPT == TRUE) 24892808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji /* if privacy is enabled, new RPA should be calculated */ 24902808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji if (btm_cb.ble_ctr_cb.privacy_mode != BTM_PRIVACY_NONE) 24912808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji { 24922808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji btm_gen_resolvable_private_addr((void *)btm_gen_resolve_paddr_low); 24932808a249c7fc1230eb8955481f94ea0e083165e4Satya Calloji } 2494a021a12987c4257d137437c6de9438b3344c6f6bAndre Eisenbach#endif 24955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 24965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 24975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 24985344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_ERROR("Generating IRK exception."); 24995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 25005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 25015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* proceed generate ER */ 2502b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski btsnd_hcic_ble_rand((void *)btm_ble_process_er); 25035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 25045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 25055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2506ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2507ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_process_dhk 2508ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2509ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called when DHK is calculated, store it in 2510ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * local control block, and proceed to generate ER, a 128-bits 2511ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * random number. 2512ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2513ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2514ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2515ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 25165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void btm_ble_process_dhk(tSMP_ENC *p) 25175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 2518d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t btm_ble_irk_pt = 0x01; 25195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tSMP_ENC output; 25205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 25215344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_process_dhk"); 25225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 25235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p && p->opcode == HCI_BLE_ENCRYPT) 25245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 25255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy(btm_cb.devcb.id_keys.dhk, p->param_buf, BT_OCTET16_LEN); 25265344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG("BLE DHK generated."); 25275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 25285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* IRK = D1(IR, 1) */ 25295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (!SMP_Encrypt(btm_cb.devcb.id_keys.ir, BT_OCTET16_LEN, &btm_ble_irk_pt, 25305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1, &output)) 25315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 25325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* reset all identity root related key */ 25335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset(&btm_cb.devcb.id_keys, 0, sizeof(tBTM_BLE_LOCAL_ID_KEYS)); 25345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 25355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 25365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 25375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_ble_process_irk(&output); 25385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 25395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 25405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 25415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 25425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* reset all identity root related key */ 25435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset(&btm_cb.devcb.id_keys, 0, sizeof(tBTM_BLE_LOCAL_ID_KEYS)); 25445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 25455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 25465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 25475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2548ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2549ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_process_ir2 2550ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2551ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called when IR is generated, proceed to calculate 2552ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * DHK = Eir({0x03, 0, 0 ...}) 2553ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2554ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2555ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2556ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2557ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 25585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void btm_ble_process_ir2(tBTM_RAND_ENC *p) 25595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 2560d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen uint8_t btm_ble_dhk_pt = 0x03; 25615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project tSMP_ENC output; 25625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 25635344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_process_ir2"); 25645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 25655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p && p->opcode == HCI_BLE_RAND) 25665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 25675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* remembering in control block */ 25685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy(&btm_cb.devcb.id_keys.ir[8], p->param_buf, BT_OCTET8_LEN); 25695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* generate DHK= Eir({0x03, 0x00, 0x00 ...}) */ 25705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 25715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project SMP_Encrypt(btm_cb.devcb.id_keys.ir, BT_OCTET16_LEN, &btm_ble_dhk_pt, 25725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1, &output); 25735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_ble_process_dhk(&output); 25745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 25755344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG("BLE IR generated."); 25765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 25775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 25785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 25795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset(&btm_cb.devcb.id_keys, 0, sizeof(tBTM_BLE_LOCAL_ID_KEYS)); 25805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 25815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 25825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 25835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2584ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2585ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_process_ir 2586ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2587ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called when IR is generated, proceed to calculate 2588ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * DHK = Eir({0x02, 0, 0 ...}) 2589ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2590ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2591ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2592ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2593ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 25945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic void btm_ble_process_ir(tBTM_RAND_ENC *p) 25955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 25965344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_process_ir"); 25975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 25985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p && p->opcode == HCI_BLE_RAND) 25995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project { 26005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* remembering in control block */ 26015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy(btm_cb.devcb.id_keys.ir, p->param_buf, BT_OCTET8_LEN); 26025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2603b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski btsnd_hcic_ble_rand((void *)btm_ble_process_ir2); 26045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 26055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 26065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 26075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2608ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2609ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_reset_id 2610ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2611ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function is called to reset LE device identity. 2612ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2613ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2614ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2615ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 26165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid btm_ble_reset_id( void ) 26175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 26185344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_reset_id"); 26195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 26205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* regenrate Identity Root*/ 2621b6ab9b3af6b8793ff781e0359a78611726ab2300Jakub Pawlowski btsnd_hcic_ble_rand((void *)btm_ble_process_ir); 26225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 26235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2624d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen #if BTM_BLE_CONFORMANCE_TESTING == true 26255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2626ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2627ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_set_no_disc_if_pair_fail 2628ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2629ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function indicates that whether no disconnect of the ACL 2630ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * should be used if pairing failed 2631ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2632ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2633ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2634ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2635d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_set_no_disc_if_pair_fail(bool disable_disc ) 26365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 26375344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_set_disc_enable_if_pair_fail disable_disc=%d", disable_disc); 26385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_cb.devcb.no_disc_if_pair_fail = disable_disc; 26395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 26405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 26415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2642ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2643ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_set_test_mac_value 2644ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2645ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function set test MAC value 2646ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2647ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2648ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2649ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2650d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_set_test_mac_value(bool enable, uint8_t *p_test_mac_val ) 26515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 26525344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_set_test_mac_value enable=%d", enable); 26535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_cb.devcb.enable_test_mac_val = enable; 26545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy(btm_cb.devcb.test_mac, p_test_mac_val, BT_OCTET8_LEN); 26555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 26565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 26575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2658ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2659ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_set_test_local_sign_cntr_value 2660ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2661ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function set test local sign counter value 2662ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2663ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2664ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2665ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2666d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_set_test_local_sign_cntr_value(bool enable, uint32_t test_local_sign_cntr ) 26675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 26685344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_set_test_local_sign_cntr_value enable=%d local_sign_cntr=%d", 26695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project enable, test_local_sign_cntr); 26705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_cb.devcb.enable_test_local_sign_cntr = enable; 26715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btm_cb.devcb.test_local_sign_cntr = test_local_sign_cntr; 26725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 26735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2674ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta/******************************************************************************* 2675ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2676ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_set_random_address 2677ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2678ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function set a random address to local controller. 2679ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2680ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2681ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2682ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2683ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Battavoid btm_set_random_address(BD_ADDR random_bda) 2684ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta{ 2685ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta tBTM_LE_RANDOM_CB *p_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb; 2686d19e0785e662e640191a075eda07acce61c2aedaMarie Janssen bool adv_mode = btm_cb.ble_ctr_cb.inq_var.adv_mode ; 2687ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 26885344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_set_random_address"); 2689ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 2690ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (adv_mode == BTM_BLE_ADV_ENABLE) 2691ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta btsnd_hcic_ble_set_adv_enable (BTM_BLE_ADV_DISABLE); 2692ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 2693ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta memcpy(p_cb->private_addr, random_bda, BD_ADDR_LEN); 2694ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta btsnd_hcic_ble_set_random_addr(p_cb->private_addr); 2695ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 2696ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta if (adv_mode == BTM_BLE_ADV_ENABLE) 2697ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta btsnd_hcic_ble_set_adv_enable (BTM_BLE_ADV_ENABLE); 2698ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta 2699ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta} 2700a6ce7751d84218c193eb90d390aef23217b1737eWei Wang 2701a6ce7751d84218c193eb90d390aef23217b1737eWei Wang/******************************************************************************* 2702ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2703ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Function btm_ble_set_keep_rfu_in_auth_req 2704ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2705ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Description This function indicates if RFU bits have to be kept as is 2706ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * (by default they have to be set to 0 by the sender). 2707ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2708ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * Returns void 2709ee96a3c60fca590d38025925c072d264e06493c4Myles Watson * 2710ee96a3c60fca590d38025925c072d264e06493c4Myles Watson ******************************************************************************/ 2711d19e0785e662e640191a075eda07acce61c2aedaMarie Janssenvoid btm_ble_set_keep_rfu_in_auth_req(bool keep_rfu) 2712a6ce7751d84218c193eb90d390aef23217b1737eWei Wang{ 27135344d6dcb09a184eaf1f9e46cc1ac3962822435cSharvil Nanavati BTM_TRACE_DEBUG ("btm_ble_set_keep_rfu_in_auth_req keep_rfus=%d", keep_rfu); 2714a6ce7751d84218c193eb90d390aef23217b1737eWei Wang btm_cb.devcb.keep_rfu_in_auth_req = keep_rfu; 2715a6ce7751d84218c193eb90d390aef23217b1737eWei Wang} 2716a6ce7751d84218c193eb90d390aef23217b1737eWei Wang 27175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#endif /* BTM_BLE_CONFORMANCE_TESTING */ 2718