/******************************************************************************
*
* Copyright (C) 2009-2012 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.
*
******************************************************************************/
/************************************************************************************
*
* Filename: btif_dm.c
*
* Description: Contains Device Management (DM) related functionality
*
*
***********************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <hardware/bluetooth.h>
#include <utils/Log.h>
#include <cutils/properties.h>
#include "gki.h"
#include "btu.h"
#include "bd.h"
#include "bta_api.h"
#include "btif_api.h"
#include "btif_util.h"
#include "btif_storage.h"
#include "btif_hh.h"
#include "btif_config.h"
/******************************************************************************
** Constants & Macros
******************************************************************************/
#define COD_UNCLASSIFIED ((0x1F) << 8)
#define COD_HID_KEYBOARD 0x0540
#define COD_HID_POINTING 0x0580
#define COD_HID_COMBO 0x05C0
#define COD_AV_HEADSETS 0x0404
#define COD_AV_HANDSFREE 0x0408
#define COD_AV_HEADPHONES 0x0418
#define COD_AV_PORTABLE_AUDIO 0x041C
#define COD_AV_HIFI_AUDIO 0x0428
#define BTIF_DM_DEFAULT_INQ_MAX_RESULTS 0
#define BTIF_DM_DEFAULT_INQ_MAX_DURATION 10
typedef struct {
bt_bond_state_t state;
BD_ADDR bd_addr;
UINT8 is_temp;
UINT8 pin_code_len;
UINT8 is_ssp;
UINT8 autopair_attempts;
UINT8 is_local_initiated;
UINT8 bonded_pending_sdp;
} btif_dm_pairing_cb_t;
typedef struct {
BD_ADDR bd_addr;
BD_NAME bd_name;
} btif_dm_remote_name_t;
typedef struct
{
BT_OCTET16 sp_c;
BT_OCTET16 sp_r;
BD_ADDR oob_bdaddr; /* peer bdaddr*/
} btif_dm_oob_cb_t;
#define BTA_SERVICE_ID_TO_SERVICE_MASK(id) (1 << (id))
/* This flag will be true if HCI_Inquiry is in progress */
static BOOLEAN btif_dm_inquiry_in_progress = FALSE;
/******************************************************************************
** Static functions
******************************************************************************/
static btif_dm_pairing_cb_t pairing_cb;
static btif_dm_oob_cb_t oob_cb;
static void btif_dm_generic_evt(UINT16 event, char* p_param);
static void btif_dm_cb_create_bond(bt_bdaddr_t *bd_addr);
static void btif_dm_cb_hid_remote_name(tBTM_REMOTE_DEV_NAME *p_remote_name);
static void btif_update_remote_properties(BD_ADDR bd_addr, BD_NAME bd_name,
DEV_CLASS dev_class, tBT_DEVICE_TYPE dev_type);
/******************************************************************************
** Externs
******************************************************************************/
extern UINT16 bta_service_id_to_uuid_lkup_tbl [BTA_MAX_SERVICE_ID];
extern bt_status_t btif_hf_execute_service(BOOLEAN b_enable);
extern bt_status_t btif_av_execute_service(BOOLEAN b_enable);
extern bt_status_t btif_hh_execute_service(BOOLEAN b_enable);
extern int btif_hh_connect(bt_bdaddr_t *bd_addr);
/******************************************************************************
** Functions
******************************************************************************/
bt_status_t btif_in_execute_service_request(tBTA_SERVICE_ID service_id,
BOOLEAN b_enable)
{
/* Check the service_ID and invoke the profile's BT state changed API */
switch (service_id)
{
case BTA_HFP_SERVICE_ID:
case BTA_HSP_SERVICE_ID:
{
btif_hf_execute_service(b_enable);
}break;
case BTA_A2DP_SERVICE_ID:
{
btif_av_execute_service(b_enable);
}break;
case BTA_HID_SERVICE_ID:
{
btif_hh_execute_service(b_enable);
}break;
default:
BTIF_TRACE_ERROR1("%s: Unknown service being enabled", __FUNCTION__);
return BT_STATUS_FAIL;
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function check_eir_remote_name
**
** Description Check if remote name is in the EIR data
**
** Returns TRUE if remote name found
** Populate p_remote_name, if provided and remote name found
**
*******************************************************************************/
static BOOLEAN check_eir_remote_name(tBTA_DM_SEARCH *p_search_data,
UINT8 *p_remote_name, UINT8 *p_remote_name_len)
{
UINT8 *p_eir_remote_name = NULL;
UINT8 remote_name_len = 0;
/* Check EIR for remote name and services */
if (p_search_data->inq_res.p_eir)
{
p_eir_remote_name = BTA_CheckEirData(p_search_data->inq_res.p_eir,
BTM_EIR_COMPLETE_LOCAL_NAME_TYPE, &remote_name_len);
if (!p_eir_remote_name)
{
p_eir_remote_name = BTA_CheckEirData(p_search_data->inq_res.p_eir,
BTM_EIR_SHORTENED_LOCAL_NAME_TYPE, &remote_name_len);
}
if (p_eir_remote_name)
{
if (remote_name_len > BD_NAME_LEN)
remote_name_len = BD_NAME_LEN;
if (p_remote_name && p_remote_name_len)
{
memcpy(p_remote_name, p_eir_remote_name, remote_name_len);
*(p_remote_name + remote_name_len) = 0;
*p_remote_name_len = remote_name_len;
}
return TRUE;
}
}
return FALSE;
}
/*******************************************************************************
**
** Function check_cached_remote_name
**
** Description Check if remote name is in the NVRAM cache
**
** Returns TRUE if remote name found
** Populate p_remote_name, if provided and remote name found
**
*******************************************************************************/
static BOOLEAN check_cached_remote_name(tBTA_DM_SEARCH *p_search_data,
UINT8 *p_remote_name, UINT8 *p_remote_name_len)
{
bt_bdname_t bdname;
bt_bdaddr_t remote_bdaddr;
bt_property_t prop_name;
/* check if we already have it in our btif_storage cache */
bdcpy(remote_bdaddr.address, p_search_data->inq_res.bd_addr);
BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_BDNAME,
sizeof(bt_bdname_t), &bdname);
if (btif_storage_get_remote_device_property(
&remote_bdaddr, &prop_name) == BT_STATUS_SUCCESS)
{
if (p_remote_name && p_remote_name_len)
{
strcpy((char *)p_remote_name, (char *)bdname.name);
*p_remote_name_len = strlen((char *)p_remote_name);
}
return TRUE;
}
return FALSE;
}
BOOLEAN check_cod(const bt_bdaddr_t *remote_bdaddr, uint32_t cod)
{
uint32_t remote_cod;
bt_property_t prop_name;
/* check if we already have it in our btif_storage cache */
BTIF_STORAGE_FILL_PROPERTY(&prop_name, BT_PROPERTY_CLASS_OF_DEVICE,
sizeof(uint32_t), &remote_cod);
if (btif_storage_get_remote_device_property((bt_bdaddr_t *)remote_bdaddr, &prop_name) == BT_STATUS_SUCCESS)
{
if ((remote_cod & 0x7ff) == cod)
return TRUE;
}
return FALSE;
}
static void bond_state_changed(bt_status_t status, bt_bdaddr_t *bd_addr, bt_bond_state_t state)
{
/* Send bonding state only once - based on outgoing/incoming we may receive duplicates */
if ( (pairing_cb.state == state) && (state == BT_BOND_STATE_BONDING) )
return;
if (pairing_cb.is_temp)
{
state = BT_BOND_STATE_NONE;
}
BTIF_TRACE_DEBUG3("%s: state=%d prev_state=%d", __FUNCTION__, state, pairing_cb.state);
HAL_CBACK(bt_hal_cbacks, bond_state_changed_cb, status, bd_addr, state);
if (state == BT_BOND_STATE_BONDING)
{
pairing_cb.state = state;
bdcpy(pairing_cb.bd_addr, bd_addr->address);
}
else
{
memset(&pairing_cb, 0, sizeof(pairing_cb));
}
}
static void btif_update_remote_properties(BD_ADDR bd_addr, BD_NAME bd_name,
DEV_CLASS dev_class, tBT_DEVICE_TYPE device_type)
{
int num_properties = 0;
bt_property_t properties[3];
bt_bdaddr_t bdaddr;
bt_status_t status;
UINT32 cod;
bt_device_type_t dev_type;
memset(properties, 0, sizeof(properties));
bdcpy(bdaddr.address, bd_addr);
/* remote name */
if (strlen((const char *) bd_name))
{
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_BDNAME, strlen((char *)bd_name), bd_name);
status = btif_storage_set_remote_device_property(&bdaddr, &properties[num_properties]);
ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device name", status);
num_properties++;
}
/* class of device */
cod = devclass2uint(dev_class);
if ( cod == 0) {
BTIF_TRACE_DEBUG1("%s():cod is 0, set as unclassified", __FUNCTION__);
cod = COD_UNCLASSIFIED;
}
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod), &cod);
status = btif_storage_set_remote_device_property(&bdaddr, &properties[num_properties]);
ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device class", status);
num_properties++;
/* device type */
dev_type = device_type;
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_TYPE_OF_DEVICE, sizeof(dev_type), &dev_type);
status = btif_storage_set_remote_device_property(&bdaddr, &properties[num_properties]);
ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device type", status);
num_properties++;
HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb,
status, &bdaddr, num_properties, properties);
}
/*******************************************************************************
**
** Function hid_remote_name_cback
**
** Description Remote name callback for HID device. Called in stack context
** Special handling for HID devices
**
** Returns void
**
*******************************************************************************/
static void hid_remote_name_cback(void *p_param)
{
BTIF_TRACE_DEBUG1("%s", __FUNCTION__);
btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_HID_REMOTE_NAME,
(char *)p_param, sizeof(tBTM_REMOTE_DEV_NAME), NULL);
}
/*******************************************************************************
**
** Function btif_dm_cb_hid_remote_name
**
** Description Remote name callback for HID device. Called in btif context
** Special handling for HID devices
**
** Returns void
**
*******************************************************************************/
static void btif_dm_cb_hid_remote_name(tBTM_REMOTE_DEV_NAME *p_remote_name)
{
BTIF_TRACE_DEBUG3("%s: status=%d pairing_cb.state=%d", __FUNCTION__, p_remote_name->status, pairing_cb.state);
if (pairing_cb.state == BT_BOND_STATE_BONDING)
{
bt_bdaddr_t remote_bd;
bdcpy(remote_bd.address, pairing_cb.bd_addr);
if (p_remote_name->status == BTM_SUCCESS)
{
bond_state_changed(BT_STATUS_SUCCESS, &remote_bd, BT_BOND_STATE_BONDED);
}
else
bond_state_changed(BT_STATUS_FAIL, &remote_bd, BT_BOND_STATE_NONE);
}
}
int remove_hid_bond(bt_bdaddr_t *bd_addr)
{
/* For HID device, inorder to avoid the HID device from re-connecting again after unpairing,
* we need to do virtual unplug
*/
bdstr_t bdstr;
BTIF_TRACE_DEBUG2("%s---Removing HID bond--%s", __FUNCTION__,bd2str((bt_bdaddr_t *)bd_addr, &bdstr));
return btif_hh_virtual_unplug(bd_addr);
}
/*******************************************************************************
**
** Function btif_dm_cb_create_bond
**
** Description Create bond initiated from the BTIF thread context
** Special handling for HID devices
**
** Returns void
**
*******************************************************************************/
static void btif_dm_cb_create_bond(bt_bdaddr_t *bd_addr)
{
bond_state_changed(BT_STATUS_SUCCESS, bd_addr, BT_BOND_STATE_BONDING);
if (check_cod(bd_addr, COD_HID_POINTING)){
int status;
status = btif_hh_connect(bd_addr);
if(status != BT_STATUS_SUCCESS)
bond_state_changed(status, bd_addr, BT_BOND_STATE_NONE);
}
else
BTA_DmBond ((UINT8 *)bd_addr->address);
/* Track originator of bond creation */
pairing_cb.is_local_initiated = TRUE;
}
/*******************************************************************************
**
** Function btif_dm_cb_remove_bond
**
** Description remove bond initiated from the BTIF thread context
** Special handling for HID devices
**
** Returns void
**
*******************************************************************************/
void btif_dm_cb_remove_bond(bt_bdaddr_t *bd_addr)
{
bdstr_t bdstr;
/*special handling for HID devices */
if (check_cod(bd_addr, COD_HID_POINTING) ||
check_cod(bd_addr, COD_HID_KEYBOARD) ||
check_cod(bd_addr, COD_HID_COMBO))
{
#if (defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE))
if(remove_hid_bond(bd_addr) != BTA_SUCCESS)
BTA_DmRemoveDevice((UINT8 *)bd_addr->address);
#endif
}
else
{
if (BTA_DmRemoveDevice((UINT8 *)bd_addr->address) == BTA_SUCCESS)
{
BTIF_TRACE_DEBUG1("Successfully removed bonding with device: %s",
bd2str((bt_bdaddr_t *)bd_addr, &bdstr));
}
else
BTIF_TRACE_DEBUG1("Removed bonding with device failed: %s",
bd2str((bt_bdaddr_t *)bd_addr, &bdstr));
}
}
/*******************************************************************************
**
** Function search_devices_copy_cb
**
** Description Deep copy callback for search devices event
**
** Returns void
**
*******************************************************************************/
static void search_devices_copy_cb(UINT16 event, char *p_dest, char *p_src)
{
tBTA_DM_SEARCH *p_dest_data = (tBTA_DM_SEARCH *) p_dest;
tBTA_DM_SEARCH *p_src_data = (tBTA_DM_SEARCH *) p_src;
if (!p_src)
return;
BTIF_TRACE_DEBUG2("%s: event=%s", __FUNCTION__, dump_dm_search_event(event));
memcpy(p_dest_data, p_src_data, sizeof(tBTA_DM_SEARCH));
switch (event)
{
case BTA_DM_INQ_RES_EVT:
{
if (p_src_data->inq_res.p_eir)
{
p_dest_data->inq_res.p_eir = (UINT8 *)(p_dest + sizeof(tBTA_DM_SEARCH));
memcpy(p_dest_data->inq_res.p_eir, p_src_data->inq_res.p_eir, HCI_EXT_INQ_RESPONSE_LEN);
}
}
break;
case BTA_DM_DISC_RES_EVT:
{
if (p_src_data->disc_res.raw_data_size && p_src_data->disc_res.p_raw_data)
{
p_dest_data->disc_res.p_raw_data = (UINT8 *)(p_dest + sizeof(tBTA_DM_SEARCH));
memcpy(p_dest_data->disc_res.p_raw_data,
p_src_data->disc_res.p_raw_data, p_src_data->disc_res.raw_data_size);
}
}
break;
}
}
static void search_services_copy_cb(UINT16 event, char *p_dest, char *p_src)
{
tBTA_DM_SEARCH *p_dest_data = (tBTA_DM_SEARCH *) p_dest;
tBTA_DM_SEARCH *p_src_data = (tBTA_DM_SEARCH *) p_src;
if (!p_src)
return;
memcpy(p_dest_data, p_src_data, sizeof(tBTA_DM_SEARCH));
switch (event)
{
case BTA_DM_DISC_RES_EVT:
{
if ((p_src_data->disc_res.result == BTA_SUCCESS) &&
(p_src_data->disc_res.num_uuids > 0))
{
p_dest_data->disc_res.p_uuid_list = (UINT8*)(p_dest + sizeof(tBTA_DM_SEARCH));
memcpy(p_dest_data->disc_res.p_uuid_list, p_src_data->disc_res.p_uuid_list,
p_src_data->disc_res.num_uuids*MAX_UUID_SIZE);
}
} break;
}
}
/******************************************************************************
**
** BTIF DM callback events
**
*****************************************************************************/
/*******************************************************************************
**
** Function btif_dm_pin_req_evt
**
** Description Executes pin request event in btif context
**
** Returns void
**
*******************************************************************************/
static void btif_dm_pin_req_evt(tBTA_DM_PIN_REQ *p_pin_req)
{
bt_bdaddr_t bd_addr;
bt_bdname_t bd_name;
UINT32 cod;
bt_pin_code_t pin_code;
/* Remote properties update */
btif_update_remote_properties(p_pin_req->bd_addr, p_pin_req->bd_name,
p_pin_req->dev_class, BT_DEVICE_TYPE_BREDR);
bdcpy(bd_addr.address, p_pin_req->bd_addr);
memcpy(bd_name.name, p_pin_req->bd_name, BD_NAME_LEN);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
cod = devclass2uint(p_pin_req->dev_class);
if ( cod == 0) {
BTIF_TRACE_DEBUG1("%s():cod is 0, set as unclassified", __FUNCTION__);
cod = COD_UNCLASSIFIED;
}
/* check for auto pair possiblity only if bond was initiated by local device */
if (pairing_cb.is_local_initiated)
{
if (check_cod(&bd_addr, COD_AV_HEADSETS) ||
check_cod(&bd_addr, COD_AV_HANDSFREE) ||
check_cod(&bd_addr, COD_AV_HEADPHONES) ||
check_cod(&bd_addr, COD_AV_PORTABLE_AUDIO) ||
check_cod(&bd_addr, COD_AV_HIFI_AUDIO) ||
check_cod(&bd_addr, COD_HID_POINTING))
{
BTIF_TRACE_DEBUG1("%s()cod matches for auto pair", __FUNCTION__);
/* Check if this device can be auto paired */
if ((btif_storage_is_device_autopair_blacklisted(&bd_addr) == FALSE) &&
(pairing_cb.autopair_attempts == 0))
{
BTIF_TRACE_DEBUG1("%s() Attempting auto pair", __FUNCTION__);
pin_code.pin[0] = 0x30;
pin_code.pin[1] = 0x30;
pin_code.pin[2] = 0x30;
pin_code.pin[3] = 0x30;
pairing_cb.autopair_attempts++;
BTA_DmPinReply( (UINT8*)bd_addr.address, TRUE, 4, pin_code.pin);
return;
}
}
else if (check_cod(&bd_addr, COD_HID_KEYBOARD) ||
check_cod(&bd_addr, COD_HID_COMBO))
{
if(( btif_storage_is_fixed_pin_zeros_keyboard (&bd_addr) == TRUE) &&
(pairing_cb.autopair_attempts == 0))
{
BTIF_TRACE_DEBUG1("%s() Attempting auto pair", __FUNCTION__);
pin_code.pin[0] = 0x30;
pin_code.pin[1] = 0x30;
pin_code.pin[2] = 0x30;
pin_code.pin[3] = 0x30;
pairing_cb.autopair_attempts++;
BTA_DmPinReply( (UINT8*)bd_addr.address, TRUE, 4, pin_code.pin);
return;
}
}
}
HAL_CBACK(bt_hal_cbacks, pin_request_cb,
&bd_addr, &bd_name, cod);
}
/*******************************************************************************
**
** Function btif_dm_ssp_cfm_req_evt
**
** Description Executes SSP confirm request event in btif context
**
** Returns void
**
*******************************************************************************/
static void btif_dm_ssp_cfm_req_evt(tBTA_DM_SP_CFM_REQ *p_ssp_cfm_req)
{
bt_bdaddr_t bd_addr;
bt_bdname_t bd_name;
UINT32 cod;
BOOLEAN is_incoming = !(pairing_cb.state == BT_BOND_STATE_BONDING);
BTIF_TRACE_DEBUG1("%s", __FUNCTION__);
/* Remote properties update */
btif_update_remote_properties(p_ssp_cfm_req->bd_addr, p_ssp_cfm_req->bd_name,
p_ssp_cfm_req->dev_class, BT_DEVICE_TYPE_BREDR);
bdcpy(bd_addr.address, p_ssp_cfm_req->bd_addr);
memcpy(bd_name.name, p_ssp_cfm_req->bd_name, BD_NAME_LEN);
/* Set the pairing_cb based on the local & remote authentication requirements */
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
/* if just_works and bonding bit is not set treat this as temporary */
if (p_ssp_cfm_req->just_works && !(p_ssp_cfm_req->loc_auth_req & BTM_AUTH_BONDS) &&
!(p_ssp_cfm_req->rmt_auth_req & BTM_AUTH_BONDS))
pairing_cb.is_temp = TRUE;
else
pairing_cb.is_temp = FALSE;
pairing_cb.is_ssp = TRUE;
/* If JustWorks auto-accept */
if (p_ssp_cfm_req->just_works)
{
/* Pairing consent for JustWorks needed if:
* 1. Incoming pairing is detected AND
* 2. local IO capabilities are DisplayYesNo AND
* 3. remote IO capabiltiies are DisplayOnly or NoInputNoOutput;
*/
if ((is_incoming) && ((p_ssp_cfm_req->loc_io_caps == 0x01) &&
(p_ssp_cfm_req->rmt_io_caps == 0x00 || p_ssp_cfm_req->rmt_io_caps == 0x03)))
{
BTIF_TRACE_EVENT3("%s: User consent needed for incoming pairing request. loc_io_caps: %d, rmt_io_caps: %d",
__FUNCTION__, p_ssp_cfm_req->loc_io_caps, p_ssp_cfm_req->rmt_io_caps);
}
else
{
BTIF_TRACE_EVENT1("%s: Auto-accept JustWorks pairing", __FUNCTION__);
btif_dm_ssp_reply(&bd_addr, BT_SSP_VARIANT_CONSENT, TRUE, 0);
return;
}
}
cod = devclass2uint(p_ssp_cfm_req->dev_class);
if ( cod == 0) {
ALOGD("cod is 0, set as unclassified");
cod = COD_UNCLASSIFIED;
}
pairing_cb.bonded_pending_sdp = FALSE;
HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name, cod,
(p_ssp_cfm_req->just_works ? BT_SSP_VARIANT_CONSENT : BT_SSP_VARIANT_PASSKEY_CONFIRMATION),
p_ssp_cfm_req->num_val);
}
static void btif_dm_ssp_key_notif_evt(tBTA_DM_SP_KEY_NOTIF *p_ssp_key_notif)
{
bt_bdaddr_t bd_addr;
bt_bdname_t bd_name;
UINT32 cod;
BTIF_TRACE_DEBUG1("%s", __FUNCTION__);
/* Remote properties update */
btif_update_remote_properties(p_ssp_key_notif->bd_addr, p_ssp_key_notif->bd_name,
p_ssp_key_notif->dev_class, BT_DEVICE_TYPE_BREDR);
bdcpy(bd_addr.address, p_ssp_key_notif->bd_addr);
memcpy(bd_name.name, p_ssp_key_notif->bd_name, BD_NAME_LEN);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDING);
pairing_cb.is_ssp = TRUE;
cod = devclass2uint(p_ssp_key_notif->dev_class);
if ( cod == 0) {
ALOGD("cod is 0, set as unclassified");
cod = COD_UNCLASSIFIED;
}
HAL_CBACK(bt_hal_cbacks, ssp_request_cb, &bd_addr, &bd_name,
cod, BT_SSP_VARIANT_PASSKEY_NOTIFICATION,
p_ssp_key_notif->passkey);
}
/*******************************************************************************
**
** Function btif_dm_auth_cmpl_evt
**
** Description Executes authentication complete event in btif context
**
** Returns void
**
*******************************************************************************/
static void btif_dm_auth_cmpl_evt (tBTA_DM_AUTH_CMPL *p_auth_cmpl)
{
/* Save link key, if not temporary */
bt_bdaddr_t bd_addr;
bt_status_t status = BT_STATUS_FAIL;
bt_bond_state_t state = BT_BOND_STATE_NONE;
bdcpy(bd_addr.address, p_auth_cmpl->bd_addr);
if ( (p_auth_cmpl->success == TRUE) && (p_auth_cmpl->key_present) )
{
if ((p_auth_cmpl->key_type < HCI_LKEY_TYPE_DEBUG_COMB) || (p_auth_cmpl->key_type == HCI_LKEY_TYPE_AUTH_COMB) ||
(p_auth_cmpl->key_type == HCI_LKEY_TYPE_CHANGED_COMB) || (!pairing_cb.is_temp))
{
bt_status_t ret;
BTIF_TRACE_DEBUG3("%s: Storing link key. key_type=0x%x, is_temp=%d",
__FUNCTION__, p_auth_cmpl->key_type, pairing_cb.is_temp);
ret = btif_storage_add_bonded_device(&bd_addr,
p_auth_cmpl->key, p_auth_cmpl->key_type,
pairing_cb.pin_code_len);
ASSERTC(ret == BT_STATUS_SUCCESS, "storing link key failed", ret);
}
else
{
BTIF_TRACE_DEBUG3("%s: Temporary key. Not storing. key_type=0x%x, is_temp=%d",
__FUNCTION__, p_auth_cmpl->key_type, pairing_cb.is_temp);
}
}
if (p_auth_cmpl->success)
{
status = BT_STATUS_SUCCESS;
state = BT_BOND_STATE_BONDED;
/* Trigger SDP on the device */
pairing_cb.bonded_pending_sdp = TRUE;
btif_dm_get_remote_services(&bd_addr);
/* Do not call bond_state_changed_cb yet. Wait till fetch remote service is complete */
}
else
{
/*Map the HCI fail reason to bt status */
switch(p_auth_cmpl->fail_reason)
{
case HCI_ERR_PAGE_TIMEOUT:
case HCI_ERR_CONNECTION_TOUT:
status = BT_STATUS_RMT_DEV_DOWN;
break;
/* map the auth failure codes, so we can retry pairing if necessary */
case HCI_ERR_AUTH_FAILURE:
case HCI_ERR_HOST_REJECT_SECURITY:
case HCI_ERR_ENCRY_MODE_NOT_ACCEPTABLE:
case HCI_ERR_UNIT_KEY_USED:
case HCI_ERR_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED:
case HCI_ERR_INSUFFCIENT_SECURITY:
BTIF_TRACE_DEBUG1(" %s() Authentication fail ", __FUNCTION__);
if (pairing_cb.autopair_attempts == 1)
{
BTIF_TRACE_DEBUG1("%s(): Adding device to blacklist ", __FUNCTION__);
/* Add the device to dynamic black list only if this device belongs to Audio/pointing dev class */
if (check_cod(&bd_addr, COD_AV_HEADSETS) ||
check_cod(&bd_addr, COD_AV_HANDSFREE) ||
check_cod(&bd_addr, COD_AV_HEADPHONES) ||
check_cod(&bd_addr, COD_AV_PORTABLE_AUDIO) ||
check_cod(&bd_addr, COD_AV_HIFI_AUDIO) ||
check_cod(&bd_addr, COD_HID_POINTING))
{
btif_storage_add_device_to_autopair_blacklist (&bd_addr);
}
pairing_cb.autopair_attempts++;
/* Create the Bond once again */
BTIF_TRACE_DEBUG1("%s() auto pair failed. Reinitiate Bond", __FUNCTION__);
btif_dm_cb_create_bond (&bd_addr);
return;
}
else
{
/* if autopair attempts are more than 1, or not attempted */
status = BT_STATUS_AUTH_FAILURE;
}
break;
default:
status = BT_STATUS_FAIL;
}
bond_state_changed(status, &bd_addr, state);
}
}
/******************************************************************************
**
** Function btif_dm_search_devices_evt
**
** Description Executes search devices callback events in btif context
**
** Returns void
**
******************************************************************************/
static void btif_dm_search_devices_evt (UINT16 event, char *p_param)
{
tBTA_DM_SEARCH *p_search_data;
BTIF_TRACE_EVENT2("%s event=%s", __FUNCTION__, dump_dm_search_event(event));
switch (event)
{
case BTA_DM_DISC_RES_EVT:
{
p_search_data = (tBTA_DM_SEARCH *)p_param;
/* Remote name update */
if (strlen((const char *) p_search_data->disc_res.bd_name))
{
bt_property_t properties[1];
bt_bdaddr_t bdaddr;
bt_status_t status;
properties[0].type = BT_PROPERTY_BDNAME;
properties[0].val = p_search_data->disc_res.bd_name;
properties[0].len = strlen((char *)p_search_data->disc_res.bd_name);
bdcpy(bdaddr.address, p_search_data->disc_res.bd_addr);
status = btif_storage_set_remote_device_property(&bdaddr, &properties[0]);
ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device property", status);
HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb,
status, &bdaddr, 1, properties);
}
/* TODO: Services? */
}
break;
case BTA_DM_INQ_RES_EVT:
{
/* inquiry result */
UINT32 cod;
UINT8 *p_eir_remote_name = NULL;
bt_bdname_t bdname;
bt_bdaddr_t bdaddr;
UINT8 remote_name_len;
UINT8 *p_cached_name = NULL;
tBTA_SERVICE_MASK services = 0;
bdstr_t bdstr;
p_search_data = (tBTA_DM_SEARCH *)p_param;
bdcpy(bdaddr.address, p_search_data->inq_res.bd_addr);
BTIF_TRACE_DEBUG3("%s() %s device_type = 0x%x\n", __FUNCTION__, bd2str(&bdaddr, &bdstr),
#if (BLE_INCLUDED == TRUE)
p_search_data->inq_res.device_type);
#else
BT_DEVICE_TYPE_BREDR);
#endif
bdname.name[0] = 0;
cod = devclass2uint (p_search_data->inq_res.dev_class);
if ( cod == 0) {
ALOGD("cod is 0, set as unclassified");
cod = COD_UNCLASSIFIED;
}
if (!check_eir_remote_name(p_search_data, bdname.name, &remote_name_len))
check_cached_remote_name(p_search_data, bdname.name, &remote_name_len);
/* Check EIR for remote name and services */
if (p_search_data->inq_res.p_eir)
{
BTA_GetEirService(p_search_data->inq_res.p_eir, &services);
BTIF_TRACE_DEBUG2("%s()EIR BTA services = %08X", __FUNCTION__, (UINT32)services);
/* TODO: Get the service list and check to see which uuids we got and send it back to the client. */
}
{
bt_property_t properties[5];
bt_device_type_t dev_type;
uint32_t num_properties = 0;
bt_status_t status;
memset(properties, 0, sizeof(properties));
/* BD_ADDR */
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_BDADDR, sizeof(bdaddr), &bdaddr);
num_properties++;
/* BD_NAME */
/* Don't send BDNAME if it is empty */
if (bdname.name[0]) {
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_BDNAME,
strlen((char *)bdname.name), &bdname);
num_properties++;
}
/* DEV_CLASS */
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod), &cod);
num_properties++;
/* DEV_TYPE */
#if (BLE_INCLUDED == TRUE)
/* FixMe: Assumption is that bluetooth.h and BTE enums match */
dev_type = p_search_data->inq_res.device_type;
#else
dev_type = BT_DEVICE_TYPE_BREDR;
#endif
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_TYPE_OF_DEVICE, sizeof(dev_type), &dev_type);
num_properties++;
/* RSSI */
BTIF_STORAGE_FILL_PROPERTY(&properties[num_properties],
BT_PROPERTY_REMOTE_RSSI, sizeof(int8_t),
&(p_search_data->inq_res.rssi));
num_properties++;
status = btif_storage_add_remote_device(&bdaddr, num_properties, properties);
ASSERTC(status == BT_STATUS_SUCCESS, "failed to save remote device (inquiry)", status);
/* Callback to notify upper layer of device */
HAL_CBACK(bt_hal_cbacks, device_found_cb,
num_properties, properties);
}
}
break;
case BTA_DM_INQ_CMPL_EVT:
{
}
break;
case BTA_DM_DISC_CMPL_EVT:
{
HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb, BT_DISCOVERY_STOPPED);
}
break;
case BTA_DM_SEARCH_CANCEL_CMPL_EVT:
{
/* if inquiry is not in progress and we get a cancel event, then
* it means we are done with inquiry, but remote_name fetches are in
* progress
*
* if inquiry is in progress, then we don't want to act on this cancel_cmpl_evt
* but instead wait for the cancel_cmpl_evt via the Busy Level
*
*/
if (btif_dm_inquiry_in_progress == FALSE)
{
HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb, BT_DISCOVERY_STOPPED);
}
}
break;
}
}
/*******************************************************************************
**
** Function btif_dm_search_services_evt
**
** Description Executes search services event in btif context
**
** Returns void
**
*******************************************************************************/
static void btif_dm_search_services_evt(UINT16 event, char *p_param)
{
tBTA_DM_SEARCH *p_data = (tBTA_DM_SEARCH*)p_param;
BTIF_TRACE_EVENT2("%s: event = %d", __FUNCTION__, event);
switch (event)
{
case BTA_DM_DISC_RES_EVT:
{
bt_uuid_t uuid_arr[BT_MAX_NUM_UUIDS]; /* Max 32 services */
bt_property_t prop;
uint32_t i = 0, j = 0;
bt_bdaddr_t bd_addr;
bt_status_t ret;
bdcpy(bd_addr.address, p_data->disc_res.bd_addr);
BTIF_TRACE_DEBUG3("%s:(result=0x%x, services 0x%x)", __FUNCTION__,
p_data->disc_res.result, p_data->disc_res.services);
prop.type = BT_PROPERTY_UUIDS;
prop.len = 0;
if ((p_data->disc_res.result == BTA_SUCCESS) && (p_data->disc_res.num_uuids > 0))
{
prop.val = p_data->disc_res.p_uuid_list;
prop.len = p_data->disc_res.num_uuids * MAX_UUID_SIZE;
for (i=0; i < p_data->disc_res.num_uuids; i++)
{
char temp[256];
uuid_to_string((bt_uuid_t*)(p_data->disc_res.p_uuid_list + (i*MAX_UUID_SIZE)), temp);
BTIF_TRACE_ERROR2("Index: %d uuid:%s", i, temp);
}
}
/* onUuidChanged requires getBondedDevices to be populated.
** bond_state_changed needs to be sent prior to remote_device_property
*/
if ((pairing_cb.state == BT_BOND_STATE_BONDING) &&
(bdcmp(p_data->disc_res.bd_addr, pairing_cb.bd_addr) == 0)&&
pairing_cb.bonded_pending_sdp == TRUE)
{
BTIF_TRACE_DEBUG1("%s Remote Service SDP done. Call bond_state_changed_cb BONDED",
__FUNCTION__);
pairing_cb.bonded_pending_sdp = FALSE;
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_BONDED);
}
/* Also write this to the NVRAM */
ret = btif_storage_set_remote_device_property(&bd_addr, &prop);
ASSERTC(ret == BT_STATUS_SUCCESS, "storing remote services failed", ret);
/* Send the event to the BTIF */
HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb,
BT_STATUS_SUCCESS, &bd_addr, 1, &prop);
}
break;
case BTA_DM_DISC_CMPL_EVT:
/* fixme */
break;
default:
{
ASSERTC(0, "unhandled search services event", event);
}
break;
}
}
/*******************************************************************************
**
** Function btif_dm_remote_service_record_evt
**
** Description Executes search service record event in btif context
**
** Returns void
**
*******************************************************************************/
static void btif_dm_remote_service_record_evt(UINT16 event, char *p_param)
{
tBTA_DM_SEARCH *p_data = (tBTA_DM_SEARCH*)p_param;
BTIF_TRACE_EVENT2("%s: event = %d", __FUNCTION__, event);
switch (event)
{
case BTA_DM_DISC_RES_EVT:
{
bt_service_record_t rec;
bt_property_t prop;
uint32_t i = 0;
bt_bdaddr_t bd_addr;
memset(&rec, 0, sizeof(bt_service_record_t));
bdcpy(bd_addr.address, p_data->disc_res.bd_addr);
BTIF_TRACE_DEBUG3("%s:(result=0x%x, services 0x%x)", __FUNCTION__,
p_data->disc_res.result, p_data->disc_res.services);
prop.type = BT_PROPERTY_SERVICE_RECORD;
prop.val = (void*)&rec;
prop.len = sizeof(rec);
/* disc_res.result is overloaded with SCN. Cannot check result */
p_data->disc_res.services &= ~BTA_USER_SERVICE_MASK;
/* TODO: Get the UUID as well */
rec.channel = p_data->disc_res.result - 3;
/* TODO: Need to get the service name using p_raw_data */
rec.name[0] = 0;
HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb,
BT_STATUS_SUCCESS, &bd_addr, 1, &prop);
}
break;
default:
{
ASSERTC(0, "unhandled remote service record event", event);
}
break;
}
}
/*******************************************************************************
**
** Function btif_dm_upstreams_cback
**
** Description Executes UPSTREAMS events in btif context
**
** Returns void
**
*******************************************************************************/
static void btif_dm_upstreams_evt(UINT16 event, char* p_param)
{
tBTA_DM_SEC_EVT dm_event = (tBTA_DM_SEC_EVT)event;
tBTA_DM_SEC *p_data = (tBTA_DM_SEC*)p_param;
tBTA_SERVICE_MASK service_mask;
uint32_t i;
bt_bdaddr_t bd_addr;
BTIF_TRACE_EVENT1("btif_dm_upstreams_cback ev: %s", dump_dm_event(event));
switch (event)
{
case BTA_DM_ENABLE_EVT:
{
BD_NAME bdname;
bt_status_t status;
bt_property_t prop;
prop.type = BT_PROPERTY_BDNAME;
prop.len = BD_NAME_LEN;
prop.val = (void*)bdname;
status = btif_storage_get_adapter_property(&prop);
/* Storage does not have a name yet.
** Use the default name and write it to the chip
*/
if (status != BT_STATUS_SUCCESS)
{
BTA_DmSetDeviceName((char *)BTM_DEF_LOCAL_NAME);
/* Hmmm...Should we store this too??? */
}
else
{
/* A name exists in the storage. Make this the device name */
BTA_DmSetDeviceName((char*)prop.val);
}
/* for each of the enabled services in the mask, trigger the profile
* enable */
service_mask = btif_get_enabled_services_mask();
for (i=0; i <= BTA_MAX_SERVICE_ID; i++)
{
if (service_mask &
(tBTA_SERVICE_MASK)(BTA_SERVICE_ID_TO_SERVICE_MASK(i)))
{
btif_in_execute_service_request(i, TRUE);
}
}
/* clear control blocks */
memset(&pairing_cb, 0, sizeof(btif_dm_pairing_cb_t));
/* This function will also trigger the adapter_properties_cb
** and bonded_devices_info_cb
*/
btif_storage_load_bonded_devices();
btif_storage_load_autopair_device_list();
btif_enable_bluetooth_evt(p_data->enable.status, p_data->enable.bd_addr);
}
break;
case BTA_DM_DISABLE_EVT:
/* for each of the enabled services in the mask, trigger the profile
* disable */
service_mask = btif_get_enabled_services_mask();
for (i=0; i <= BTA_MAX_SERVICE_ID; i++)
{
if (service_mask &
(tBTA_SERVICE_MASK)(BTA_SERVICE_ID_TO_SERVICE_MASK(i)))
{
btif_in_execute_service_request(i, FALSE);
}
}
btif_disable_bluetooth_evt();
break;
case BTA_DM_PIN_REQ_EVT:
btif_dm_pin_req_evt(&p_data->pin_req);
break;
case BTA_DM_AUTH_CMPL_EVT:
btif_dm_auth_cmpl_evt(&p_data->auth_cmpl);
break;
case BTA_DM_BOND_CANCEL_CMPL_EVT:
if (pairing_cb.state == BT_BOND_STATE_BONDING)
{
bdcpy(bd_addr.address, pairing_cb.bd_addr);
bond_state_changed(p_data->bond_cancel_cmpl.result, &bd_addr, BT_BOND_STATE_NONE);
}
break;
case BTA_DM_SP_CFM_REQ_EVT:
btif_dm_ssp_cfm_req_evt(&p_data->cfm_req);
break;
case BTA_DM_SP_KEY_NOTIF_EVT:
btif_dm_ssp_key_notif_evt(&p_data->key_notif);
break;
case BTA_DM_DEV_UNPAIRED_EVT:
bdcpy(bd_addr.address, p_data->link_down.bd_addr);
/*special handling for HID devices */
#if (defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE))
if (check_cod(&bd_addr, COD_HID_KEYBOARD )|| check_cod(&bd_addr, COD_HID_COMBO) || check_cod(&bd_addr, COD_HID_POINTING)) {
btif_hh_remove_device(bd_addr);
}
#endif
btif_storage_remove_bonded_device(&bd_addr);
bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_NONE);
break;
case BTA_DM_BUSY_LEVEL_EVT:
{
UINT8 busy_level;
busy_level = p_data->busy_level.level;
if (busy_level & BTM_BL_INQUIRY_PAGING_MASK)
{
if (busy_level == BTM_BL_INQUIRY_STARTED)
{
HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
BT_DISCOVERY_STARTED);
btif_dm_inquiry_in_progress = TRUE;
}
else if (busy_level == BTM_BL_INQUIRY_CANCELLED)
{
HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb,
BT_DISCOVERY_STOPPED);
btif_dm_inquiry_in_progress = FALSE;
}
else if (busy_level == BTM_BL_INQUIRY_COMPLETE)
{
btif_dm_inquiry_in_progress = FALSE;
}
}
}break;
case BTA_DM_LINK_UP_EVT:
bdcpy(bd_addr.address, p_data->link_up.bd_addr);
BTIF_TRACE_DEBUG0("BTA_DM_LINK_UP_EVT. Sending BT_ACL_STATE_CONNECTED");
HAL_CBACK(bt_hal_cbacks, acl_state_changed_cb, BT_STATUS_SUCCESS,
&bd_addr, BT_ACL_STATE_CONNECTED);
break;
case BTA_DM_LINK_DOWN_EVT:
bdcpy(bd_addr.address, p_data->link_down.bd_addr);
BTIF_TRACE_DEBUG0("BTA_DM_LINK_DOWN_EVT. Sending BT_ACL_STATE_DISCONNECTED");
HAL_CBACK(bt_hal_cbacks, acl_state_changed_cb, BT_STATUS_SUCCESS,
&bd_addr, BT_ACL_STATE_DISCONNECTED);
break;
case BTA_DM_HW_ERROR_EVT:
BTIF_TRACE_ERROR0("Received H/W Error. ");
/* Flush storage data */
btif_config_flush();
usleep(100000); /* 100milliseconds */
/* Killing the process to force a restart as part of fault tolerance */
kill(getpid(), SIGKILL);
break;
case BTA_DM_AUTHORIZE_EVT:
case BTA_DM_SIG_STRENGTH_EVT:
case BTA_DM_SP_RMT_OOB_EVT:
case BTA_DM_SP_KEYPRESS_EVT:
case BTA_DM_ROLE_CHG_EVT:
case BTA_DM_BLE_KEY_EVT:
case BTA_DM_BLE_SEC_REQ_EVT:
case BTA_DM_BLE_PASSKEY_NOTIF_EVT:
case BTA_DM_BLE_PASSKEY_REQ_EVT:
case BTA_DM_BLE_OOB_REQ_EVT:
case BTA_DM_BLE_LOCAL_IR_EVT:
case BTA_DM_BLE_LOCAL_ER_EVT:
case BTA_DM_BLE_AUTH_CMPL_EVT:
default:
BTIF_TRACE_WARNING1( "btif_dm_cback : unhandled event (%d)", event );
break;
}
} /* btui_security_cback() */
/*******************************************************************************
**
** Function btif_dm_generic_evt
**
** Description Executes non-BTA upstream events in BTIF context
**
** Returns void
**
*******************************************************************************/
static void btif_dm_generic_evt(UINT16 event, char* p_param)
{
BTIF_TRACE_EVENT2("%s: event=%d", __FUNCTION__, event);
switch(event)
{
case BTIF_DM_CB_DISCOVERY_STARTED:
{
HAL_CBACK(bt_hal_cbacks, discovery_state_changed_cb, BT_DISCOVERY_STARTED);
}
break;
case BTIF_DM_CB_CREATE_BOND:
{
btif_dm_cb_create_bond((bt_bdaddr_t *)p_param);
}
break;
case BTIF_DM_CB_REMOVE_BOND:
{
btif_dm_cb_remove_bond((bt_bdaddr_t *)p_param);
}
break;
case BTIF_DM_CB_HID_REMOTE_NAME:
{
btif_dm_cb_hid_remote_name((tBTM_REMOTE_DEV_NAME *)p_param);
}
break;
case BTIF_DM_CB_BOND_STATE_BONDING:
{
bond_state_changed(BT_STATUS_SUCCESS, (bt_bdaddr_t *)p_param, BT_BOND_STATE_BONDING);
}
break;
default:
{
BTIF_TRACE_WARNING2("%s : Unknown event 0x%x", __FUNCTION__, event);
}
break;
}
}
/*******************************************************************************
**
** Function bte_dm_evt
**
** Description Switches context from BTE to BTIF for all DM events
**
** Returns void
**
*******************************************************************************/
void bte_dm_evt(tBTA_DM_SEC_EVT event, tBTA_DM_SEC *p_data)
{
bt_status_t status;
/* switch context to btif task context (copy full union size for convenience) */
status = btif_transfer_context(btif_dm_upstreams_evt, (uint16_t)event, (void*)p_data, sizeof(tBTA_DM_SEC), NULL);
/* catch any failed context transfers */
ASSERTC(status == BT_STATUS_SUCCESS, "context transfer failed", status);
}
/*******************************************************************************
**
** Function bte_search_devices_evt
**
** Description Switches context from BTE to BTIF for DM search events
**
** Returns void
**
*******************************************************************************/
static void bte_search_devices_evt(tBTA_DM_SEARCH_EVT event, tBTA_DM_SEARCH *p_data)
{
UINT16 param_len = 0;
if (p_data)
param_len += sizeof(tBTA_DM_SEARCH);
/* Allocate buffer to hold the pointers (deep copy). The pointers will point to the end of the tBTA_DM_SEARCH */
switch (event)
{
case BTA_DM_INQ_RES_EVT:
{
if (p_data->inq_res.p_eir)
param_len += HCI_EXT_INQ_RESPONSE_LEN;
}
break;
case BTA_DM_DISC_RES_EVT:
{
if (p_data->disc_res.raw_data_size && p_data->disc_res.p_raw_data)
param_len += p_data->disc_res.raw_data_size;
}
break;
}
BTIF_TRACE_DEBUG3("%s event=%s param_len=%d", __FUNCTION__, dump_dm_search_event(event), param_len);
/* if remote name is available in EIR, set teh flag so that stack doesnt trigger RNR */
if (event == BTA_DM_INQ_RES_EVT)
p_data->inq_res.remt_name_not_required = check_eir_remote_name(p_data, NULL, NULL);
btif_transfer_context (btif_dm_search_devices_evt , (UINT16) event, (void *)p_data, param_len,
(param_len > sizeof(tBTA_DM_SEARCH)) ? search_devices_copy_cb : NULL);
}
/*******************************************************************************
**
** Function bte_dm_search_services_evt
**
** Description Switches context from BTE to BTIF for DM search services
** event
**
** Returns void
**
*******************************************************************************/
static void bte_dm_search_services_evt(tBTA_DM_SEARCH_EVT event, tBTA_DM_SEARCH *p_data)
{
UINT16 param_len = 0;
if (p_data)
param_len += sizeof(tBTA_DM_SEARCH);
switch (event)
{
case BTA_DM_DISC_RES_EVT:
{
if ((p_data->disc_res.result == BTA_SUCCESS) && (p_data->disc_res.num_uuids > 0)) {
param_len += (p_data->disc_res.num_uuids * MAX_UUID_SIZE);
}
} break;
}
/* TODO: The only other member that needs a deep copy is the p_raw_data. But not sure
* if raw_data is needed. */
btif_transfer_context(btif_dm_search_services_evt, event, (char*)p_data, param_len,
(param_len > sizeof(tBTA_DM_SEARCH)) ? search_services_copy_cb : NULL);
}
/*******************************************************************************
**
** Function bte_dm_remote_service_record_evt
**
** Description Switches context from BTE to BTIF for DM search service
** record event
**
** Returns void
**
*******************************************************************************/
static void bte_dm_remote_service_record_evt(tBTA_DM_SEARCH_EVT event, tBTA_DM_SEARCH *p_data)
{
/* TODO: The only member that needs a deep copy is the p_raw_data. But not sure yet if this is needed. */
btif_transfer_context(btif_dm_remote_service_record_evt, event, (char*)p_data, sizeof(tBTA_DM_SEARCH), NULL);
}
/*****************************************************************************
**
** btif api functions (no context switch)
**
*****************************************************************************/
/*******************************************************************************
**
** Function btif_dm_start_discovery
**
** Description Start device discovery/inquiry
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_start_discovery(void)
{
tBTA_DM_INQ inq_params;
tBTA_SERVICE_MASK services = 0;
BTIF_TRACE_EVENT1("%s", __FUNCTION__);
/* TODO: Do we need to handle multiple inquiries at the same time? */
/* Set inquiry params and call API */
#if (BLE_INCLUDED == TRUE)
inq_params.mode = BTA_DM_GENERAL_INQUIRY|BTA_BLE_GENERAL_INQUIRY;
#else
inq_params.mode = BTA_DM_GENERAL_INQUIRY;
#endif
inq_params.duration = BTIF_DM_DEFAULT_INQ_MAX_DURATION;
inq_params.max_resps = BTIF_DM_DEFAULT_INQ_MAX_RESULTS;
inq_params.report_dup = TRUE;
inq_params.filter_type = BTA_DM_INQ_CLR;
/* TODO: Filter device by BDA needs to be implemented here */
/* Will be enabled to TRUE once inquiry busy level has been received */
btif_dm_inquiry_in_progress = FALSE;
/* find nearby devices */
BTA_DmSearch(&inq_params, services, bte_search_devices_evt);
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_dm_cancel_discovery
**
** Description Cancels search
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_cancel_discovery(void)
{
BTIF_TRACE_EVENT1("%s", __FUNCTION__);
BTA_DmSearchCancel();
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_dm_create_bond
**
** Description Initiate bonding with the specified device
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_create_bond(const bt_bdaddr_t *bd_addr)
{
bdstr_t bdstr;
BTIF_TRACE_EVENT2("%s: bd_addr=%s", __FUNCTION__, bd2str((bt_bdaddr_t *) bd_addr, &bdstr));
if (pairing_cb.state != BT_BOND_STATE_NONE)
return BT_STATUS_BUSY;
btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_CREATE_BOND,
(char *)bd_addr, sizeof(bt_bdaddr_t), NULL);
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_dm_cancel_bond
**
** Description Initiate bonding with the specified device
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_cancel_bond(const bt_bdaddr_t *bd_addr)
{
bdstr_t bdstr;
BTIF_TRACE_EVENT2("%s: bd_addr=%s", __FUNCTION__, bd2str((bt_bdaddr_t *)bd_addr, &bdstr));
/* TODO:
** 1. Restore scan modes
** 2. special handling for HID devices
*/
if (pairing_cb.state == BT_BOND_STATE_BONDING)
{
if (pairing_cb.is_ssp)
{
BTA_DmConfirm( (UINT8 *)bd_addr->address, FALSE);
}
else
{
BTA_DmPinReply( (UINT8 *)bd_addr->address, FALSE, 0, NULL);
}
/* Cancel bonding, in case it is in ACL connection setup state */
BTA_DmBondCancel ((UINT8 *)bd_addr->address);
btif_storage_remove_bonded_device((bt_bdaddr_t *)bd_addr);
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_dm_remove_bond
**
** Description Removes bonding with the specified device
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_remove_bond(const bt_bdaddr_t *bd_addr)
{
bdstr_t bdstr;
BTIF_TRACE_EVENT2("%s: bd_addr=%s", __FUNCTION__, bd2str((bt_bdaddr_t *)bd_addr, &bdstr));
btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_REMOVE_BOND,
(char *)bd_addr, sizeof(bt_bdaddr_t), NULL);
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_dm_pin_reply
**
** Description BT legacy pairing - PIN code reply
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_pin_reply( const bt_bdaddr_t *bd_addr, uint8_t accept,
uint8_t pin_len, bt_pin_code_t *pin_code)
{
BTIF_TRACE_EVENT2("%s: accept=%d", __FUNCTION__, accept);
BTA_DmPinReply( (UINT8 *)bd_addr->address, accept, pin_len, pin_code->pin);
if (accept)
pairing_cb.pin_code_len = pin_len;
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_dm_ssp_reply
**
** Description BT SSP Reply - Just Works, Numeric Comparison & Passkey Entry
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_ssp_reply(const bt_bdaddr_t *bd_addr,
bt_ssp_variant_t variant, uint8_t accept,
uint32_t passkey)
{
if (variant == BT_SSP_VARIANT_PASSKEY_ENTRY)
{
/* This is not implemented in the stack.
* For devices with display, this is not needed
*/
BTIF_TRACE_WARNING1("%s: Not implemented", __FUNCTION__);
return BT_STATUS_FAIL;
}
/* BT_SSP_VARIANT_CONSENT & BT_SSP_VARIANT_PASSKEY_CONFIRMATION supported */
BTIF_TRACE_EVENT2("%s: accept=%d", __FUNCTION__, accept);
BTA_DmConfirm( (UINT8 *)bd_addr->address, accept);
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_dm_get_adapter_property
**
** Description Queries the BTA for the adapter property
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_get_adapter_property(bt_property_t *prop)
{
bt_status_t status;
BTIF_TRACE_EVENT2("%s: type=0x%x", __FUNCTION__, prop->type);
switch (prop->type)
{
case BT_PROPERTY_BDNAME:
{
bt_bdname_t *bd_name = (bt_bdname_t*)prop->val;
strcpy((char *)bd_name->name, (char *)BTM_DEF_LOCAL_NAME);
prop->len = strlen((char *)bd_name->name);
}
break;
case BT_PROPERTY_ADAPTER_SCAN_MODE:
{
/* if the storage does not have it. Most likely app never set it. Default is NONE */
bt_scan_mode_t *mode = (bt_scan_mode_t*)prop->val;
*mode = BT_SCAN_MODE_NONE;
prop->len = sizeof(bt_scan_mode_t);
}
break;
case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT:
{
uint32_t *tmt = (uint32_t*)prop->val;
*tmt = 120; /* default to 120s, if not found in NV */
prop->len = sizeof(uint32_t);
}
break;
default:
prop->len = 0;
return BT_STATUS_FAIL;
}
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_dm_get_remote_services
**
** Description Start SDP to get remote services
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_get_remote_services(bt_bdaddr_t *remote_addr)
{
bdstr_t bdstr;
BTIF_TRACE_EVENT2("%s: remote_addr=%s", __FUNCTION__, bd2str(remote_addr, &bdstr));
BTA_DmDiscover(remote_addr->address, BTA_ALL_SERVICE_MASK,
bte_dm_search_services_evt, TRUE);
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_dm_get_remote_service_record
**
** Description Start SDP to get remote service record
**
**
** Returns bt_status_t
*******************************************************************************/
bt_status_t btif_dm_get_remote_service_record(bt_bdaddr_t *remote_addr,
bt_uuid_t *uuid)
{
tSDP_UUID sdp_uuid;
bdstr_t bdstr;
BTIF_TRACE_EVENT2("%s: remote_addr=%s", __FUNCTION__, bd2str(remote_addr, &bdstr));
sdp_uuid.len = MAX_UUID_SIZE;
memcpy(sdp_uuid.uu.uuid128, uuid->uu, MAX_UUID_SIZE);
BTA_DmDiscoverUUID(remote_addr->address, &sdp_uuid,
bte_dm_remote_service_record_evt, TRUE);
return BT_STATUS_SUCCESS;
}
void btif_dm_execute_service_request(UINT16 event, char *p_param)
{
BOOLEAN b_enable = FALSE;
bt_status_t status;
if (event == BTIF_DM_ENABLE_SERVICE)
{
b_enable = TRUE;
}
status = btif_in_execute_service_request(*((tBTA_SERVICE_ID*)p_param), b_enable);
if (status == BT_STATUS_SUCCESS)
{
bt_property_t property;
bt_uuid_t local_uuids[BT_MAX_NUM_UUIDS];
/* Now send the UUID_PROPERTY_CHANGED event to the upper layer */
BTIF_STORAGE_FILL_PROPERTY(&property, BT_PROPERTY_UUIDS,
sizeof(local_uuids), local_uuids);
btif_storage_get_adapter_property(&property);
HAL_CBACK(bt_hal_cbacks, adapter_properties_cb,
BT_STATUS_SUCCESS, 1, &property);
}
return;
}
#if (BTM_OOB_INCLUDED == TRUE)
void btif_dm_set_oob_for_io_req(tBTA_OOB_DATA *p_oob_data)
{
if (oob_cb.sp_c[0] == 0 && oob_cb.sp_c[1] == 0 &&
oob_cb.sp_c[2] == 0 && oob_cb.sp_c[3] == 0 )
{
*p_oob_data = FALSE;
}
else
{
*p_oob_data = TRUE;
}
BTIF_TRACE_DEBUG1("btif_dm_set_oob_for_io_req *p_oob_data=%d", *p_oob_data);
}
#endif /* BTM_OOB_INCLUDED */
#ifdef BTIF_DM_OOB_TEST
void btif_dm_load_local_oob(void)
{
char prop_oob[32];
property_get("service.brcm.bt.oob", prop_oob, "3");
BTIF_TRACE_DEBUG1("btif_dm_load_local_oob prop_oob = %s",prop_oob);
if (prop_oob[0] != '3')
{
#if (BTM_OOB_INCLUDED == TRUE)
if (oob_cb.sp_c[0] == 0 && oob_cb.sp_c[1] == 0 &&
oob_cb.sp_c[2] == 0 && oob_cb.sp_c[3] == 0 )
{
BTIF_TRACE_DEBUG0("btif_dm_load_local_oob: read OOB, call BTA_DmLocalOob()");
BTA_DmLocalOob();
}
#else
BTIF_TRACE_ERROR0("BTM_OOB_INCLUDED is FALSE!!(btif_dm_load_local_oob)");
#endif
}
}
void btif_dm_proc_loc_oob(BOOLEAN valid, BT_OCTET16 c, BT_OCTET16 r)
{
FILE *fp;
char *path_a = "/data/misc/bluedroid/LOCAL/a.key";
char *path_b = "/data/misc/bluedroid/LOCAL/b.key";
char *path = NULL;
char prop_oob[32];
BTIF_TRACE_DEBUG1("btif_dm_proc_loc_oob: valid=%d", valid);
if (oob_cb.sp_c[0] == 0 && oob_cb.sp_c[1] == 0 &&
oob_cb.sp_c[2] == 0 && oob_cb.sp_c[3] == 0 &&
valid)
{
BTIF_TRACE_DEBUG0("save local OOB data in memory");
memcpy(oob_cb.sp_c, c, BT_OCTET16_LEN);
memcpy(oob_cb.sp_r, r, BT_OCTET16_LEN);
property_get("service.brcm.bt.oob", prop_oob, "3");
BTIF_TRACE_DEBUG1("btif_dm_proc_loc_oob prop_oob = %s",prop_oob);
if (prop_oob[0] == '1')
path = path_a;
else if (prop_oob[0] == '2')
path = path_b;
if (path)
{
fp = fopen(path, "wb+");
if (fp == NULL)
{
BTIF_TRACE_DEBUG1("btif_dm_proc_loc_oob: failed to save local OOB data to %s", path);
}
else
{
BTIF_TRACE_DEBUG1("btif_dm_proc_loc_oob: save local OOB data into file %s",path);
fwrite (c , 1 , BT_OCTET16_LEN , fp );
fwrite (r , 1 , BT_OCTET16_LEN , fp );
fclose(fp);
}
}
}
}
BOOLEAN btif_dm_proc_rmt_oob(BD_ADDR bd_addr, BT_OCTET16 p_c, BT_OCTET16 p_r)
{
char t[128];
FILE *fp;
char *path_a = "/data/misc/bluedroid/LOCAL/a.key";
char *path_b = "/data/misc/bluedroid/LOCAL/b.key";
char *path = NULL;
char prop_oob[32];
BOOLEAN result = FALSE;
bt_bdaddr_t bt_bd_addr;
bdcpy(oob_cb.oob_bdaddr, bd_addr);
property_get("service.brcm.bt.oob", prop_oob, "3");
BTIF_TRACE_DEBUG1("btif_dm_proc_rmt_oob prop_oob = %s",prop_oob);
if (prop_oob[0] == '1')
path = path_b;
else if (prop_oob[0] == '2')
path = path_a;
if (path)
{
fp = fopen(path, "rb");
if (fp == NULL)
{
BTIF_TRACE_DEBUG1("btapp_dm_rmt_oob_reply: failed to read OOB keys from %s",path);
return FALSE;
}
else
{
BTIF_TRACE_DEBUG1("btif_dm_proc_rmt_oob: read OOB data from %s",path);
fread (p_c , 1 , BT_OCTET16_LEN , fp );
fread (p_r , 1 , BT_OCTET16_LEN , fp );
fclose(fp);
}
BTIF_TRACE_DEBUG0("----btif_dm_proc_rmt_oob: TRUE");
sprintf(t, "%02x:%02x:%02x:%02x:%02x:%02x",
oob_cb.oob_bdaddr[0], oob_cb.oob_bdaddr[1], oob_cb.oob_bdaddr[2],
oob_cb.oob_bdaddr[3], oob_cb.oob_bdaddr[4], oob_cb.oob_bdaddr[5]);
BTIF_TRACE_DEBUG1("----btif_dm_proc_rmt_oob: peer_bdaddr = %s", t);
sprintf(t, "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
p_c[0], p_c[1], p_c[2], p_c[3], p_c[4], p_c[5], p_c[6], p_c[7],
p_c[8], p_c[9], p_c[10], p_c[11], p_c[12], p_c[13], p_c[14], p_c[15]);
BTIF_TRACE_DEBUG1("----btif_dm_proc_rmt_oob: c = %s",t);
sprintf(t, "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
p_r[0], p_r[1], p_r[2], p_r[3], p_r[4], p_r[5], p_r[6], p_r[7],
p_r[8], p_r[9], p_r[10], p_r[11], p_r[12], p_r[13], p_r[14], p_r[15]);
BTIF_TRACE_DEBUG1("----btif_dm_proc_rmt_oob: r = %s",t);
bdcpy(bt_bd_addr.address, bd_addr);
btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_BOND_STATE_BONDING,
(char *)&bt_bd_addr, sizeof(bt_bdaddr_t), NULL);
result = TRUE;
}
BTIF_TRACE_DEBUG1("btif_dm_proc_rmt_oob result=%d",result);
return result;
}
#endif /* BTIF_DM_OOB_TEST */
void btif_dm_on_disable()
{
/* cancel any pending pairing requests */
if (pairing_cb.state == BT_BOND_STATE_BONDING)
{
bt_bdaddr_t bd_addr;
BTIF_TRACE_DEBUG1("%s: Cancel pending pairing request", __FUNCTION__);
bdcpy(bd_addr.address, pairing_cb.bd_addr);
btif_dm_cancel_bond(&bd_addr);
}
}