ard6-r1 system.rar

/****************************************************************************** * * Copyright (C) 1999-2012 Broadcom Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ /****************************************************************************** * * This file contains functions for the Bluetooth Security Manager * ******************************************************************************/ #define LOG_TAG "bt_btm_sec" #include <stdarg.h> #include <string.h> #include "bt_types.h" #include "device/include/controller.h" #include "hcimsgs.h" #include "btu.h" #include "btm_int.h" #include "l2c_int.h" #include "bt_utils.h" #include "osi/include/log.h" #if (BT_USE_TRACES == TRUE && BT_TRACE_VERBOSE == FALSE) /* needed for sprintf() */ #include <stdio.h> #endif #if BLE_INCLUDED == TRUE #include "gatt_int.h" #endif #define BTM_SEC_MAX_COLLISION_DELAY (5000) #ifdef APPL_AUTH_WRITE_EXCEPTION BOOLEAN (APPL_AUTH_WRITE_EXCEPTION)(BD_ADDR bd_addr); #endif /******************************************************************************** ** L O C A L F U N C T I O N P R O T O T Y P E S * *********************************************************************************/ static tBTM_SEC_SERV_REC *btm_sec_find_first_serv (BOOLEAN is_originator, UINT16 psm); static tBTM_SEC_SERV_REC *btm_sec_find_next_serv (tBTM_SEC_SERV_REC *p_cur); static tBTM_SEC_SERV_REC *btm_sec_find_mx_serv (UINT8 is_originator, UINT16 psm, UINT32 mx_proto_id, UINT32 mx_chan_id); static tBTM_STATUS btm_sec_execute_procedure (tBTM_SEC_DEV_REC *p_dev_rec); static BOOLEAN btm_sec_start_get_name (tBTM_SEC_DEV_REC *p_dev_rec); static BOOLEAN btm_sec_start_authentication (tBTM_SEC_DEV_REC *p_dev_rec); static BOOLEAN btm_sec_start_encryption (tBTM_SEC_DEV_REC *p_dev_rec); static void btm_sec_collision_timeout (TIMER_LIST_ENT *p_tle); static void btm_restore_mode(void); static void btm_sec_pairing_timeout (TIMER_LIST_ENT *p_tle); static tBTM_STATUS btm_sec_dd_create_conn (tBTM_SEC_DEV_REC *p_dev_rec); static void btm_sec_change_pairing_state (tBTM_PAIRING_STATE new_state); #if (BT_USE_TRACES == TRUE) static char *btm_pair_state_descr (tBTM_PAIRING_STATE state); #endif static void btm_sec_check_pending_reqs(void); static BOOLEAN btm_sec_queue_mx_request (BD_ADDR bd_addr, UINT16 psm, BOOLEAN is_orig, UINT32 mx_proto_id, UINT32 mx_chan_id, tBTM_SEC_CALLBACK *p_callback, void *p_ref_data); static void btm_sec_bond_cancel_complete (void); static void btm_send_link_key_notif (tBTM_SEC_DEV_REC *p_dev_rec); static BOOLEAN btm_sec_check_prefetch_pin (tBTM_SEC_DEV_REC *p_dev_rec); static UINT8 btm_sec_start_authorization (tBTM_SEC_DEV_REC *p_dev_rec); BOOLEAN btm_sec_are_all_trusted(UINT32 p_mask[]); static tBTM_STATUS btm_sec_send_hci_disconnect (tBTM_SEC_DEV_REC *p_dev_rec, UINT8 reason, UINT16 conn_handle); UINT8 btm_sec_start_role_switch (tBTM_SEC_DEV_REC *p_dev_rec); tBTM_SEC_DEV_REC *btm_sec_find_dev_by_sec_state (UINT8 state); static BOOLEAN btm_sec_set_security_level ( CONNECTION_TYPE conn_type, char *p_name, UINT8 service_id, UINT16 sec_level, UINT16 psm, UINT32 mx_proto_id, UINT32 mx_chan_id); static BOOLEAN btm_dev_authenticated(tBTM_SEC_DEV_REC *p_dev_rec); static BOOLEAN btm_dev_encrypted(tBTM_SEC_DEV_REC *p_dev_rec); static BOOLEAN btm_dev_authorized(tBTM_SEC_DEV_REC *p_dev_rec); static BOOLEAN btm_serv_trusted(tBTM_SEC_DEV_REC *p_dev_rec, tBTM_SEC_SERV_REC *p_serv_rec); static BOOLEAN btm_sec_is_serv_level0 (UINT16 psm); static UINT16 btm_sec_set_serv_level4_flags (UINT16 cur_security, BOOLEAN is_originator); static BOOLEAN btm_sec_queue_encrypt_request (BD_ADDR bd_addr, tBT_TRANSPORT transport, tBTM_SEC_CALLBACK *p_callback, void *p_ref_data); static void btm_sec_clean_pending_req_queue (BD_ADDR remote_bda, tBT_TRANSPORT transport) ; static void btm_sec_check_pending_enc_req (tBTM_SEC_DEV_REC *p_dev_rec, tBT_TRANSPORT transport, UINT8 encr_enable); static BOOLEAN btm_sec_acceptor_rejects_bonding (tBTM_SEC_DEV_REC *p_dev_rec); static BOOLEAN btm_sec_use_smp_br_chnl(tBTM_SEC_DEV_REC *p_dev_rec); static BOOLEAN btm_sec_is_master(tBTM_SEC_DEV_REC *p_dev_rec); /* TRUE - authenticated link key is possible */ static const BOOLEAN btm_sec_io_map [BTM_IO_CAP_MAX][BTM_IO_CAP_MAX] = { /* OUT, IO, IN, NONE */ /* OUT */ {FALSE, FALSE, TRUE, FALSE}, /* IO */ {FALSE, TRUE, TRUE, FALSE}, /* IN */ {TRUE, TRUE, TRUE, FALSE}, /* NONE */ {FALSE, FALSE, FALSE, FALSE} }; /* BTM_IO_CAP_OUT 0 DisplayOnly */ /* BTM_IO_CAP_IO 1 DisplayYesNo */ /* BTM_IO_CAP_IN 2 KeyboardOnly */ /* BTM_IO_CAP_NONE 3 NoInputNoOutput */ /******************************************************************************* ** ** Function btm_dev_authenticated ** ** Description check device is authenticated ** ** Returns BOOLEAN TRUE or FALSE ** *******************************************************************************/ static BOOLEAN btm_dev_authenticated (tBTM_SEC_DEV_REC *p_dev_rec) { if(p_dev_rec->sec_flags & BTM_SEC_AUTHENTICATED) { return(TRUE); } return(FALSE); } /******************************************************************************* ** ** Function btm_dev_encrypted ** ** Description check device is encrypted ** ** Returns BOOLEAN TRUE or FALSE ** *******************************************************************************/ static BOOLEAN btm_dev_encrypted (tBTM_SEC_DEV_REC *p_dev_rec) { if(p_dev_rec->sec_flags & BTM_SEC_ENCRYPTED) { return(TRUE); } return(FALSE); } /******************************************************************************* ** ** Function btm_dev_authorized ** ** Description check device is authorized ** ** Returns BOOLEAN TRUE or FALSE ** *******************************************************************************/ static BOOLEAN btm_dev_authorized (tBTM_SEC_DEV_REC *p_dev_rec) { if(p_dev_rec->sec_flags & BTM_SEC_AUTHORIZED) { return(TRUE); } return(FALSE); } /******************************************************************************* ** ** Function btm_dev_16_digit_authenticated ** ** Description check device is authenticated by using 16 digit pin or MITM ** ** Returns BOOLEAN TRUE or FALSE ** *******************************************************************************/ static BOOLEAN btm_dev_16_digit_authenticated(tBTM_SEC_DEV_REC *p_dev_rec) { // BTM_SEC_16_DIGIT_PIN_AUTHED is set if MITM or 16 digit pin is used if(p_dev_rec->sec_flags & BTM_SEC_16_DIGIT_PIN_AUTHED) { return(TRUE); } return(FALSE); } /******************************************************************************* ** ** Function btm_serv_trusted ** ** Description check service is trusted ** ** Returns BOOLEAN TRUE or FALSE ** ******************************************