btif_config.c revision 9eb556804ae753b6fabc66329952dae596f378b7
15738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 25738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 3b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati * Copyright (C) 2014 Google, Inc. 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 1949120dc867c7818511b5afec461dfc97d17eef58Marie Janssen#define LOG_TAG "bt_btif_config" 2049120dc867c7818511b5afec461dfc97d17eef58Marie Janssen 2149a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen#include "btif_config.h" 2249a86709488e5cfd5e23759da18bf9613e15b04dMarie Janssen 23b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati#include <assert.h> 245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <ctype.h> 25b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati#include <pthread.h> 265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <stdio.h> 27b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati#include <string.h> 28995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker#include <time.h> 29d30195cbf09735da593e186c4c99cce6232b072eArman Uguray#include <unistd.h> 30b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 31db554581079863974af8e1289646f5deea6fc044Marie Janssen#include "bt_types.h" 3295b74f252f534ec757aab1fc08e086e02b2cfe8dSharvil Nanavati#include "btcore/include/bdaddr.h" 33db554581079863974af8e1289646f5deea6fc044Marie Janssen#include "btcore/include/module.h" 34c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker#include "btif_api.h" 3532b3a8a408b23aa28324ad9f56654c98fe2ac914Srinu Jella#include "btif_common.h" 3632b3a8a408b23aa28324ad9f56654c98fe2ac914Srinu Jella#include "btif_config.h" 377c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh#include "btif_config_transcode.h" 385cd8bff2dd0337cb52bf48f312e3d2d55a8882fbMike J. Chen#include "btif_util.h" 39db554581079863974af8e1289646f5deea6fc044Marie Janssen#include "osi/include/alarm.h" 40db554581079863974af8e1289646f5deea6fc044Marie Janssen#include "osi/include/allocator.h" 4147d68ee6229ccec3deeaaf694fa86438d97333a4Scott James Remnant#include "osi/include/compat.h" 420f9b91e150e153229235c163861198e23600e636Sharvil Nanavati#include "osi/include/config.h" 4344802768c447ab480d4227b3a852a97d923b816dSharvil Nanavati#include "osi/include/log.h" 44db554581079863974af8e1289646f5deea6fc044Marie Janssen#include "osi/include/osi.h" 455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 46236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker/** 47236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker * TODO(apanicke): cutils/properties.h is only being used to pull-in runtime 48236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker * settings on Android. Remove this conditional include once we have a generic 49236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker * way to obtain system properties. 50236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker */ 51236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker#if !defined(OS_GENERIC) 52236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker#include <cutils/properties.h> 53236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker#endif /* !defined(OS_GENERIC) */ 54236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker 55995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker#define INFO_SECTION "Info" 56995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker#define FILE_TIMESTAMP "TimeCreated" 579eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker#define FILE_SOURCE "FileSource" 58995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker#define TIME_STRING_LENGTH sizeof("YYYY-MM-DD HH:MM:SS") 59995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panickerstatic const char* TIME_STRING_FORMAT = "%Y-%m-%d %H:%M:%S"; 60995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker 61f2d6434a6b7ad98e20c7a601d2a0950237514837Arman Uguray// TODO(armansito): Find a better way than searching by a hardcoded path. 62f2d6434a6b7ad98e20c7a601d2a0950237514837Arman Uguray#if defined(OS_GENERIC) 63f2d6434a6b7ad98e20c7a601d2a0950237514837Arman Uguraystatic const char *CONFIG_FILE_PATH = "bt_config.conf"; 64f621aa868f2d980d7a8a1afaa6d70dcf42866bc5Ajay Panickerstatic const char *CONFIG_BACKUP_PATH = "bt_config.bak"; 657c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanhstatic const char *CONFIG_LEGACY_FILE_PATH = "bt_config.xml"; 66f2d6434a6b7ad98e20c7a601d2a0950237514837Arman Uguray#else // !defined(OS_GENERIC) 67b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavatistatic const char *CONFIG_FILE_PATH = "/data/misc/bluedroid/bt_config.conf"; 68f621aa868f2d980d7a8a1afaa6d70dcf42866bc5Ajay Panickerstatic const char *CONFIG_BACKUP_PATH = "/data/misc/bluedroid/bt_config.bak"; 697c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanhstatic const char *CONFIG_LEGACY_FILE_PATH = "/data/misc/bluedroid/bt_config.xml"; 70f2d6434a6b7ad98e20c7a601d2a0950237514837Arman Uguray#endif // defined(OS_GENERIC) 71b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavatistatic const period_ms_t CONFIG_SETTLE_PERIOD_MS = 3000; 727939ed0c9a50c769e9e648a2d7751e0894b485edzzy 73d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssenstatic void timer_config_save_cb(void *data); 7432b3a8a408b23aa28324ad9f56654c98fe2ac914Srinu Jellastatic void btif_config_write(UINT16 event, char *p_param); 75236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panickerstatic bool is_factory_reset(void); 76236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panickerstatic void delete_config_files(void); 77b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssenstatic void btif_config_remove_unpaired(config_t *config); 78c7087d2466a291185853a6b2a16f789233e3420fAjay Panickerstatic void btif_config_remove_restricted(config_t *config); 799eb556804ae753b6fabc66329952dae596f378b7Ajay Panickerstatic config_t *btif_config_open(const char* filename); 80335aa36bca8532874c23c1afe5bfc2aff7fc01a5Mike J. Chen 8163ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panickerstatic enum ConfigSource { 8263ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker NOT_LOADED, 8363ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker ORIGINAL, 8463ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker BACKUP, 857c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh LEGACY, 8663ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker NEW_FILE, 8763ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker RESET 8863ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker} btif_config_source = NOT_LOADED; 8963ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker 90a042f8a02288e69154c405bbdf93c412a14da8bdMarie Janssenstatic int btif_config_devices_loaded = -1; 91995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panickerstatic char btif_config_time_created[TIME_STRING_LENGTH]; 9263ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker 93b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati// TODO(zachoverflow): Move these two functions out, because they are too specific for this file 94b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati// {grumpy-cat/no, monty-python/you-make-me-sad} 95b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavatibool btif_get_device_type(const BD_ADDR bd_addr, int *p_device_type) 9686f97eda524568f2d264186844450db5e56dac36Matthew Xie{ 9786f97eda524568f2d264186844450db5e56dac36Matthew Xie if (p_device_type == NULL) 9886f97eda524568f2d264186844450db5e56dac36Matthew Xie return FALSE; 9986f97eda524568f2d264186844450db5e56dac36Matthew Xie 10086f97eda524568f2d264186844450db5e56dac36Matthew Xie bt_bdaddr_t bda; 10186f97eda524568f2d264186844450db5e56dac36Matthew Xie bdcpy(bda.address, bd_addr); 10286f97eda524568f2d264186844450db5e56dac36Matthew Xie 1038a6a89faa942aed4f176b0c98402d01c8bdd6aa6Sharvil Nanavati bdstr_t bd_addr_str; 1048a6a89faa942aed4f176b0c98402d01c8bdd6aa6Sharvil Nanavati bdaddr_to_string(&bda, bd_addr_str, sizeof(bd_addr_str)); 10586f97eda524568f2d264186844450db5e56dac36Matthew Xie 1069d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati if (!btif_config_get_int(bd_addr_str, "DevType", p_device_type)) 10786f97eda524568f2d264186844450db5e56dac36Matthew Xie return FALSE; 10886f97eda524568f2d264186844450db5e56dac36Matthew Xie 109db554581079863974af8e1289646f5deea6fc044Marie Janssen LOG_DEBUG(LOG_TAG, "%s: Device [%s] type %d", __FUNCTION__, bd_addr_str, *p_device_type); 11086f97eda524568f2d264186844450db5e56dac36Matthew Xie return TRUE; 11186f97eda524568f2d264186844450db5e56dac36Matthew Xie} 11286f97eda524568f2d264186844450db5e56dac36Matthew Xie 113b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavatibool btif_get_address_type(const BD_ADDR bd_addr, int *p_addr_type) 11486f97eda524568f2d264186844450db5e56dac36Matthew Xie{ 11586f97eda524568f2d264186844450db5e56dac36Matthew Xie if (p_addr_type == NULL) 11686f97eda524568f2d264186844450db5e56dac36Matthew Xie return FALSE; 11786f97eda524568f2d264186844450db5e56dac36Matthew Xie 11886f97eda524568f2d264186844450db5e56dac36Matthew Xie bt_bdaddr_t bda; 11986f97eda524568f2d264186844450db5e56dac36Matthew Xie bdcpy(bda.address, bd_addr); 12086f97eda524568f2d264186844450db5e56dac36Matthew Xie 1218a6a89faa942aed4f176b0c98402d01c8bdd6aa6Sharvil Nanavati bdstr_t bd_addr_str; 1228a6a89faa942aed4f176b0c98402d01c8bdd6aa6Sharvil Nanavati bdaddr_to_string(&bda, bd_addr_str, sizeof(bd_addr_str)); 12386f97eda524568f2d264186844450db5e56dac36Matthew Xie 1249d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati if (!btif_config_get_int(bd_addr_str, "AddrType", p_addr_type)) 12586f97eda524568f2d264186844450db5e56dac36Matthew Xie return FALSE; 12686f97eda524568f2d264186844450db5e56dac36Matthew Xie 127db554581079863974af8e1289646f5deea6fc044Marie Janssen LOG_DEBUG(LOG_TAG, "%s: Device [%s] address type %d", __FUNCTION__, bd_addr_str, *p_addr_type); 12886f97eda524568f2d264186844450db5e56dac36Matthew Xie return TRUE; 12986f97eda524568f2d264186844450db5e56dac36Matthew Xie} 13086f97eda524568f2d264186844450db5e56dac36Matthew Xie 131b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavatistatic pthread_mutex_t lock; // protects operations on |config|. 132b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavatistatic config_t *config; 13378bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavovstatic alarm_t *config_timer; 134b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 1359b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson// Module lifecycle functions 1369b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson 1379b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnsonstatic future_t *init(void) { 138b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_init(&lock, NULL); 139995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker pthread_mutex_lock(&lock); 140236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker 141236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker if (is_factory_reset()) 142236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker delete_config_files(); 143236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker 1449eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker const char *file_source = NULL; 1459eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker 1469eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker config = btif_config_open(CONFIG_FILE_PATH); 14763ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker btif_config_source = ORIGINAL; 148b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati if (!config) { 1497c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh LOG_WARN("%s unable to load config file: %s; using backup.", 15037f7f8380f91221f5f49248ee09be927434b0875Ajay Panicker __func__, CONFIG_FILE_PATH); 1519eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker config = btif_config_open(CONFIG_BACKUP_PATH); 15263ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker btif_config_source = BACKUP; 1539eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker file_source = "Backup"; 1547c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh } 1557c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh if (!config) { 1567c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh LOG_WARN("%s unable to load backup; attempting to transcode legacy file.", __func__); 1577c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh config = btif_config_transcode(CONFIG_LEGACY_FILE_PATH); 1587c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh btif_config_source = LEGACY; 1599eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker file_source = "Legacy"; 1607c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh } 1617c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh if (!config) { 1627c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh LOG_ERROR("%s unable to transcode legacy file; creating empty config.", __func__); 1637c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh config = config_new_empty(); 1647c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh btif_config_source = NEW_FILE; 1659eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker file_source = "Empty"; 1667c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh } 1679eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker 1689eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker if (file_source != NULL) 1699eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker config_set_string(config, INFO_SECTION, FILE_SOURCE, file_source); 1709eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker 1717c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh if (!config) { 1727c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh LOG_ERROR("%s unable to allocate a config object.", __func__); 1737c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh goto error; 174b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati } 175b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 176b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen btif_config_remove_unpaired(config); 177d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssen 178c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker // Cleanup temporary pairings if we have left guest mode 179c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker if (!is_restricted_mode()) 180c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker btif_config_remove_restricted(config); 181c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker 182995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker // Read or set config file creation timestamp 183995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker const char* time_str = config_get_string(config, INFO_SECTION, FILE_TIMESTAMP, NULL); 184995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker if (time_str != NULL) { 185995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker strlcpy(btif_config_time_created, time_str, TIME_STRING_LENGTH); 186995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker } else { 187995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker time_t current_time = time(NULL); 188995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker struct tm* time_created = localtime(¤t_time); 189995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker strftime(btif_config_time_created, TIME_STRING_LENGTH, TIME_STRING_FORMAT, time_created); 190995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker config_set_string(config, INFO_SECTION, FILE_TIMESTAMP, btif_config_time_created); 191995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker } 192995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker 193b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati // TODO(sharvil): use a non-wake alarm for this once we have 1949b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson // API support for it. There's no need to wake the system to 195b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati // write back to disk. 19678bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov config_timer = alarm_new("btif.config"); 19778bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov if (!config_timer) { 198db554581079863974af8e1289646f5deea6fc044Marie Janssen LOG_ERROR(LOG_TAG, "%s unable to create alarm.", __func__); 199b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati goto error; 200b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati } 201b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 202995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker pthread_mutex_unlock(&lock); 2039b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson return future_new_immediate(FUTURE_SUCCESS); 204b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 20578bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavoverror: 20678bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov alarm_free(config_timer); 207b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati config_free(config); 208995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker pthread_mutex_unlock(&lock); 209b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_destroy(&lock); 21078bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov config_timer = NULL; 211b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati config = NULL; 2127c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh btif_config_source = NOT_LOADED; 2139b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson return future_new_immediate(FUTURE_FAIL); 2149b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson} 2159b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson 2169eb556804ae753b6fabc66329952dae596f378b7Ajay Panickerstatic config_t *btif_config_open(const char *filename) { 2179eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker config_t *config = config_new(filename); 2189eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker if (!config) 2199eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker return NULL; 2209eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker 2219eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker if (!config_has_section(config, "Adapter")) { 2229eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker LOG_ERROR(LOG_TAG, "Config is missing adapter section"); 2239eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker config_free(config); 2249eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker return NULL; 2259eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker } 2269eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker 2279eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker return config; 2289eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker} 2299eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker 2309b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnsonstatic future_t *shut_down(void) { 2319b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson btif_config_flush(); 2329b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson return future_new_immediate(FUTURE_SUCCESS); 2335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 234b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 2359b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnsonstatic future_t *clean_up(void) { 236b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati btif_config_flush(); 237b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 23878bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov alarm_free(config_timer); 239b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati config_free(config); 240b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_destroy(&lock); 24178bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov config_timer = NULL; 242b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati config = NULL; 2439b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson return future_new_immediate(FUTURE_SUCCESS); 2445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 245b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 2461f81b64b337832452e9ba1f530e612a685aebb82Ian CoolidgeEXPORT_SYMBOL const module_t btif_config_module = { 2479b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson .name = BTIF_CONFIG_MODULE, 2489b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson .init = init, 2499b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson .start_up = NULL, 2509b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson .shut_down = shut_down, 2519b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson .clean_up = clean_up, 2529b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson .dependencies = { 2539b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson NULL 2549b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson } 2559b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson}; 2569b0fbce37260e69cb116be1cdcbceb1f43bf9346Zach Johnson 2579d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavatibool btif_config_has_section(const char *section) { 258b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 2599d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati assert(section != NULL); 260b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 261b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_lock(&lock); 2629d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati bool ret = config_has_section(config, section); 263b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_unlock(&lock); 264b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 265b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return ret; 2667939ed0c9a50c769e9e648a2d7751e0894b485edzzy} 267b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 2689d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavatibool btif_config_exist(const char *section, const char *key) { 269b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 2709d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati assert(section != NULL); 271b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(key != NULL); 272b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 273b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_lock(&lock); 2749d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati bool ret = config_has_key(config, section, key); 275b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_unlock(&lock); 276b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 277b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return ret; 2785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 279b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 2809d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavatibool btif_config_get_int(const char *section, const char *key, int *value) { 281b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 2829d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati assert(section != NULL); 283b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(key != NULL); 284b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(value != NULL); 285b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 286b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_lock(&lock); 2879d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati bool ret = config_has_key(config, section, key); 288b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati if (ret) 2899d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati *value = config_get_int(config, section, key, *value); 290b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_unlock(&lock); 291b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 292b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return ret; 2937939ed0c9a50c769e9e648a2d7751e0894b485edzzy} 294b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 2959d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavatibool btif_config_set_int(const char *section, const char *key, int value) { 296b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 2979d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati assert(section != NULL); 298b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(key != NULL); 299b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 300b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_lock(&lock); 3019d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati config_set_int(config, section, key, value); 302b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_unlock(&lock); 303b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 304b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return true; 3057939ed0c9a50c769e9e648a2d7751e0894b485edzzy} 3067939ed0c9a50c769e9e648a2d7751e0894b485edzzy 307ce0bab413c2c1a0a5e9f4a82a6b2833685333bceSharvil Nanavatibool btif_config_get_str(const char *section, const char *key, char *value, int *size_bytes) { 308b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 3099d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati assert(section != NULL); 310b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(key != NULL); 311b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(value != NULL); 312ce0bab413c2c1a0a5e9f4a82a6b2833685333bceSharvil Nanavati assert(size_bytes != NULL); 313b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 314b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_lock(&lock); 3159d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati const char *stored_value = config_get_string(config, section, key, NULL); 316b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_unlock(&lock); 317b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 318b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati if (!stored_value) 319b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return false; 320b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 321ce0bab413c2c1a0a5e9f4a82a6b2833685333bceSharvil Nanavati strlcpy(value, stored_value, *size_bytes); 322ce0bab413c2c1a0a5e9f4a82a6b2833685333bceSharvil Nanavati *size_bytes = strlen(value) + 1; 323b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 324b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return true; 3257939ed0c9a50c769e9e648a2d7751e0894b485edzzy} 326b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 3279d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavatibool btif_config_set_str(const char *section, const char *key, const char *value) { 328b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 3299d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati assert(section != NULL); 330b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(key != NULL); 331b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(value != NULL); 332b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 333b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_lock(&lock); 3349d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati config_set_string(config, section, key, value); 335b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_unlock(&lock); 336b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 337b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return true; 3387939ed0c9a50c769e9e648a2d7751e0894b485edzzy} 339b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 3409d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavatibool btif_config_get_bin(const char *section, const char *key, uint8_t *value, size_t *length) { 341b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 3429d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati assert(section != NULL); 343b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(key != NULL); 344b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(value != NULL); 345b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(length != NULL); 346b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 347b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_lock(&lock); 3489d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati const char *value_str = config_get_string(config, section, key, NULL); 349b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_unlock(&lock); 350b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 351b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati if (!value_str) 352b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return false; 353b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 354b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati size_t value_len = strlen(value_str); 355b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati if ((value_len % 2) != 0 || *length < (value_len / 2)) 356b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return false; 357b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 358b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati for (size_t i = 0; i < value_len; ++i) 359b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati if (!isxdigit(value_str[i])) 360b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return false; 361b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 362b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati for (*length = 0; *value_str; value_str += 2, *length += 1) 363b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati sscanf(value_str, "%02hhx", &value[*length]); 364b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 365b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return true; 3667939ed0c9a50c769e9e648a2d7751e0894b485edzzy} 3677939ed0c9a50c769e9e648a2d7751e0894b485edzzy 3689d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavatisize_t btif_config_get_bin_length(const char *section, const char *key) { 369b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 3709d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati assert(section != NULL); 371b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(key != NULL); 372b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 373b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_lock(&lock); 3749d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati const char *value_str = config_get_string(config, section, key, NULL); 375b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_unlock(&lock); 376b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 377b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati if (!value_str) 378b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return 0; 379b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 380b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati size_t value_len = strlen(value_str); 381b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return ((value_len % 2) != 0) ? 0 : (value_len / 2); 3825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 3835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3849d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavatibool btif_config_set_bin(const char *section, const char *key, const uint8_t *value, size_t length) { 385444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji const char *lookup = "0123456789abcdef"; 386b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 387b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 3889d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati assert(section != NULL); 389b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(key != NULL); 390444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji 391444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji if (length > 0) 392444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji assert(value != NULL); 393b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 394eae61663a5c44f2a5757ae3df80cbc3b97fa6d60Pavlin Radoslavov char *str = (char *)osi_calloc(length * 2 + 1); 395b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 396b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati for (size_t i = 0; i < length; ++i) { 397b2f0447afd5db6579e380439ad596519276e91d1Zach Johnson str[(i * 2) + 0] = lookup[(value[i] >> 4) & 0x0F]; 398444a8da807abaf5f9e813ce70c56a79160495fb3Satya Calloji str[(i * 2) + 1] = lookup[value[i] & 0x0F]; 399b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati } 400b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 401b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_lock(&lock); 4029d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati config_set_string(config, section, key, str); 403b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_unlock(&lock); 404b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 405eae61663a5c44f2a5757ae3df80cbc3b97fa6d60Pavlin Radoslavov osi_free(str); 406b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return true; 4075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 408b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 409b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavaticonst btif_config_section_iter_t *btif_config_section_begin(void) { 410b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 411b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return (const btif_config_section_iter_t *)config_section_begin(config); 4125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 413b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 414b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavaticonst btif_config_section_iter_t *btif_config_section_end(void) { 415b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 416b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return (const btif_config_section_iter_t *)config_section_end(config); 417689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project} 418b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 419b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavaticonst btif_config_section_iter_t *btif_config_section_next(const btif_config_section_iter_t *section) { 420b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 421b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(section != NULL); 422b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return (const btif_config_section_iter_t *)config_section_next((const config_section_node_t *)section); 4235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 424b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 425b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavaticonst char *btif_config_section_name(const btif_config_section_iter_t *section) { 426b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 427b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(section != NULL); 428b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return config_section_name((const config_section_node_t *)section); 4295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 430b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 4319d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavatibool btif_config_remove(const char *section, const char *key) { 432b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 4339d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati assert(section != NULL); 434b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(key != NULL); 435b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 436b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_lock(&lock); 4379d52f88bfc07556cb01ab3055f5b1242c9b467aaSharvil Nanavati bool ret = config_remove_key(config, section, key); 438b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_unlock(&lock); 439b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 440b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati return ret; 4415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 442b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 443b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavativoid btif_config_save(void) { 444b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 445b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen assert(config_timer != NULL); 446b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 44778bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov alarm_set(config_timer, CONFIG_SETTLE_PERIOD_MS, timer_config_save_cb, NULL); 4485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 4495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 450b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavativoid btif_config_flush(void) { 451b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 45278bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov assert(config_timer != NULL); 4535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 45478bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov alarm_cancel(config_timer); 45532b3a8a408b23aa28324ad9f56654c98fe2ac914Srinu Jella btif_config_write(0, NULL); 4565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 45786f97eda524568f2d264186844450db5e56dac36Matthew Xie 458236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panickerbool btif_config_clear(void) { 459aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker assert(config != NULL); 46078bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov assert(config_timer != NULL); 461aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker 46278bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov alarm_cancel(config_timer); 463aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker 464aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker pthread_mutex_lock(&lock); 465aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker config_free(config); 466aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker 467aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker config = config_new_empty(); 468aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker if (config == NULL) { 469aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker pthread_mutex_unlock(&lock); 470aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker return false; 471aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker } 472aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker 4739ca88af1d964c546af1c3dc2c16c4c98071fd5b1Sharvil Nanavati bool ret = config_save(config, CONFIG_FILE_PATH); 47463ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker btif_config_source = RESET; 475aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker pthread_mutex_unlock(&lock); 476aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker return ret; 477aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker} 478aa3be1a696b9ae1142fe9f358ad5f97e99da7892Ajay Panicker 479d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssenstatic void timer_config_save_cb(UNUSED_ATTR void *data) { 48032b3a8a408b23aa28324ad9f56654c98fe2ac914Srinu Jella // Moving file I/O to btif context instead of timer callback because 48132b3a8a408b23aa28324ad9f56654c98fe2ac914Srinu Jella // it usually takes a lot of time to be completed, introducing 48232b3a8a408b23aa28324ad9f56654c98fe2ac914Srinu Jella // delays during A2DP playback causing blips or choppiness. 48332b3a8a408b23aa28324ad9f56654c98fe2ac914Srinu Jella btif_transfer_context(btif_config_write, 0, NULL, 0, NULL); 484d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssen} 485d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssen 48632b3a8a408b23aa28324ad9f56654c98fe2ac914Srinu Jellastatic void btif_config_write(UNUSED_ATTR UINT16 event, UNUSED_ATTR char *p_param) { 487b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati assert(config != NULL); 48878bcff79e1b1f0efce436b33bdd6da88745bfc8aPavlin Radoslavov assert(config_timer != NULL); 489b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 490b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati pthread_mutex_lock(&lock); 491f621aa868f2d980d7a8a1afaa6d70dcf42866bc5Ajay Panicker rename(CONFIG_FILE_PATH, CONFIG_BACKUP_PATH); 492da576af1312568c4892e6b217d89a82897d60d91Marie Janssen config_t *config_paired = config_new_clone(config); 493b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen btif_config_remove_unpaired(config_paired); 494b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen config_save(config_paired, CONFIG_FILE_PATH); 495da576af1312568c4892e6b217d89a82897d60d91Marie Janssen config_free(config_paired); 4969eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker sync(); 497d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssen pthread_mutex_unlock(&lock); 498d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssen} 49986f97eda524568f2d264186844450db5e56dac36Matthew Xie 500b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssenstatic void btif_config_remove_unpaired(config_t *conf) { 501b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen assert(conf != NULL); 502a042f8a02288e69154c405bbdf93c412a14da8bdMarie Janssen int paired_devices = 0; 503b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati 504b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen // The paired config used to carry information about 505b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen // discovered devices during regular inquiry scans. 506b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen // We remove these now and cache them in memory instead. 507b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen const config_section_node_t *snode = config_section_begin(conf); 508b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen while (snode != config_section_end(conf)) { 509d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssen const char *section = config_section_name(snode); 510d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssen if (string_is_bdaddr(section)) { 511b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen if (!config_has_key(conf, section, "LinkKey") && 512b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen !config_has_key(conf, section, "LE_KEY_PENC") && 513b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen !config_has_key(conf, section, "LE_KEY_PID") && 514b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen !config_has_key(conf, section, "LE_KEY_PCSRK") && 515b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen !config_has_key(conf, section, "LE_KEY_LENC") && 516b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen !config_has_key(conf, section, "LE_KEY_LCSRK")) { 517d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssen snode = config_section_next(snode); 518b9d28c30f9ef9f8f046bb08238abef9cba445be6Marie Janssen config_remove_section(conf, section); 51920af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker continue; 520d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssen } 521a042f8a02288e69154c405bbdf93c412a14da8bdMarie Janssen paired_devices++; 522d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssen } 523d77f1999ecece56c1cbb333f4ddc26f0b5bac2c5Marie Janssen snode = config_section_next(snode); 524b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati } 525a042f8a02288e69154c405bbdf93c412a14da8bdMarie Janssen 526a042f8a02288e69154c405bbdf93c412a14da8bdMarie Janssen // should only happen once, at initial load time 527a042f8a02288e69154c405bbdf93c412a14da8bdMarie Janssen if (btif_config_devices_loaded == -1) 528a042f8a02288e69154c405bbdf93c412a14da8bdMarie Janssen btif_config_devices_loaded = paired_devices; 529b95c4ef4ac9e86953050a7ae6b3b4260df935713Sharvil Nanavati} 53063ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker 53163ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panickervoid btif_debug_config_dump(int fd) { 53220af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker dprintf(fd, "\nBluetooth Config:\n"); 53320af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker 53420af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker dprintf(fd, " Config Source: "); 53520af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker switch(btif_config_source) { 53620af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker case NOT_LOADED: 53720af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker dprintf(fd, "Not loaded\n"); 53820af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker break; 53920af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker case ORIGINAL: 54020af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker dprintf(fd, "Original file\n"); 54120af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker break; 54220af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker case BACKUP: 54320af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker dprintf(fd, "Backup file\n"); 54420af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker break; 5457c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh case LEGACY: 5467c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh dprintf(fd, "Legacy file\n"); 5477c6f8f332c42199748082edfa4aaf5ee45a373d7Alain Vongsouvanh break; 54820af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker case NEW_FILE: 54920af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker dprintf(fd, "New file\n"); 55020af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker break; 55120af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker case RESET: 55220af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker dprintf(fd, "Reset file\n"); 55320af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker break; 55445ee419b233480060548f19b09de6726d28a06eaAjay Panicker } 55520af7c3cc040e82124184ad869d840ad6fa1eacfAjay Panicker 556a042f8a02288e69154c405bbdf93c412a14da8bdMarie Janssen dprintf(fd, " Devices loaded: %d\n", btif_config_devices_loaded); 557995c7d63e15923a1a8bdfb2456cc4086468e281cAjay Panicker dprintf(fd, " File created/tagged: %s\n", btif_config_time_created); 5589eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker dprintf(fd, " File source: %s\n", config_get_string(config, INFO_SECTION, 5599eb556804ae753b6fabc66329952dae596f378b7Ajay Panicker FILE_SOURCE, "Original")); 56063ddbe8813aac242071dffc0bd413ba60e6dd7bfAjay Panicker} 561236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker 562c7087d2466a291185853a6b2a16f789233e3420fAjay Panickerstatic void btif_config_remove_restricted(config_t* config) { 563c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker assert(config != NULL); 564c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker 565c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker const config_section_node_t *snode = config_section_begin(config); 566c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker while (snode != config_section_end(config)) { 567c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker const char *section = config_section_name(snode); 568c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker if (string_is_bdaddr(section) && config_has_key(config, section, "Restricted")) { 569c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker BTIF_TRACE_DEBUG("%s: Removing restricted device %s", __func__, section); 570c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker config_remove_section(config, section); 571c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker } 572c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker snode = config_section_next(snode); 573c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker } 574c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker} 575c7087d2466a291185853a6b2a16f789233e3420fAjay Panicker 576236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panickerstatic bool is_factory_reset(void) { 577236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker char factory_reset[PROPERTY_VALUE_MAX] = {0}; 578236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker property_get("persist.bluetooth.factoryreset", factory_reset, "false"); 579236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker return strncmp(factory_reset, "true", 4) == 0; 580236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker} 581236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker 582236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panickerstatic void delete_config_files(void) { 583236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker remove(CONFIG_FILE_PATH); 584236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker remove(CONFIG_BACKUP_PATH); 585236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker property_set("persist.bluetooth.factoryreset", "false"); 586236141f48707c5ed3ebc9549b3a9db5151fbb482Ajay Panicker} 587