/************************************************************************************ * * Copyright (C) 2009-2012 Broadcom Corporation * * This program is the proprietary software of Broadcom Corporation and/or its * licensors, and may only be used, duplicated, modified or distributed * pursuant to the terms and conditions of a separate, written license * agreement executed between you and Broadcom (an "Authorized License"). * Except as set forth in an Authorized License, Broadcom grants no license * (express or implied), right to use, or waiver of any kind with respect to * the Software, and Broadcom expressly reserves all rights in and to the * Software and all intellectual property rights therein. * IF YOU HAVE NO AUTHORIZED LICENSE, THEN YOU HAVE NO RIGHT TO USE THIS * SOFTWARE IN ANY WAY, AND SHOULD IMMEDIATELY NOTIFY BROADCOM AND DISCONTINUE * ALL USE OF THE SOFTWARE. * * Except as expressly set forth in the Authorized License, * * 1. This program, including its structure, sequence and organization, * constitutes the valuable trade secrets of Broadcom, and you shall * use all reasonable efforts to protect the confidentiality thereof, * and to use this information only in connection with your use of * Broadcom integrated circuit products. * * 2. TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED * "AS IS" AND WITH ALL FAULTS AND BROADCOM MAKES NO PROMISES, * REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, * OR OTHERWISE, WITH RESPECT TO THE SOFTWARE. BROADCOM SPECIFICALLY * DISCLAIMS ANY AND ALL IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY, * NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF VIRUSES, * ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR * CORRESPONDENCE TO DESCRIPTION. YOU ASSUME THE ENTIRE RISK ARISING OUT * OF USE OR PERFORMANCE OF THE SOFTWARE. * * 3. TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL BROADCOM OR * ITS LICENSORS BE LIABLE FOR * (i) CONSEQUENTIAL, INCIDENTAL, SPECIAL, INDIRECT, OR EXEMPLARY * DAMAGES WHATSOEVER ARISING OUT OF OR IN ANY WAY RELATING TO * YOUR USE OF OR INABILITY TO USE THE SOFTWARE EVEN IF BROADCOM * HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES; OR * (ii) ANY AMOUNT IN EXCESS OF THE AMOUNT ACTUALLY PAID FOR THE * SOFTWARE ITSELF OR U.S. $1, WHICHEVER IS GREATER. THESE * LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF * ESSENTIAL PURPOSE OF ANY LIMITED REMEDY. * ************************************************************************************/ /************************************************************************************ * * Filename: btif_dm.c * * Description: Contains Device Management (DM) related functionality * * ***********************************************************************************/ #include #include #include #include #include #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" /****************************************************************************** ** Constants & Macros ******************************************************************************/ #define COD_UNCLASSIFIED ((0x1F) << 8) #define COD_HID_KEYBOARD 0x0540 #define COD_HID_POINTING 0x0580 #define COD_HID_COMBO 0x05C0 #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; } btif_dm_pairing_cb_t; #define BTA_SERVICE_ID_TO_SERVICE_MASK(id) (1 << (id)) /****************************************************************************** ** Static functions ******************************************************************************/ static btif_dm_pairing_cb_t pairing_cb; static bt_status_t btif_dm_get_remote_services(bt_bdaddr_t *remote_addr); 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); /****************************************************************************** ** 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); /****************************************************************************** ** 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: { 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); } 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; 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)); } /******************************************************************************* ** ** 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); //btif_hh_mouse_pairing(remote_bd); } else bond_state_changed(BT_STATUS_FAIL, &remote_bd, BT_BOND_STATE_NONE); } } /******************************************************************************* ** ** 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); /* TODO: ** 1. Check if ACL is already up with this device ** 2. Disable unpaired devices from connecting while we are bonding ** 3. special handling for HID devices */ if (check_cod(bd_addr, COD_HID_POINTING)) { /* For HID mouse, no pairing required. Hence we fake the pairing process * by retrieving the remote device name. */ BTIF_TRACE_DEBUG0("Create bond for hid mouse"); tBTM_STATUS status; BD_ADDR bda; bdcpy(bda, bd_addr->address); BTIF_TRACE_DEBUG1("%s: Bypass bonding for HID Mouse", __FUNCTION__); status = BTM_ReadRemoteDeviceName(bda, hid_remote_name_cback); if (status != BTM_CMD_STARTED) { BTIF_TRACE_DEBUG2("%s: status = %d", __FUNCTION__, status); bond_state_changed(BT_STATUS_FAIL, bd_addr, BT_BOND_STATE_NONE); return; } /* Trigger SDP on the device */ BTIF_TRACE_DEBUG1("%s:Starting SDP", __FUNCTION__); btif_dm_get_remote_services(bd_addr); } else { BTA_DmBond ((UINT8 *)bd_addr->address); } } /******************************************************************************* ** ** Function btif_dm_cb_remove_bond ** ** Description remove bond initiated from the BTIF thread context ** Special handling for HID devices ** ** Returns void ** *******************************************************************************/ static void btif_dm_cb_remove_bond(bt_bdaddr_t *bd_addr) { bdstr_t bdstr; /*special handling for HID devices */ #if (defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE)) if (check_cod(bd_addr, COD_HID_POINTING )) { btif_hh_remove_device(*bd_addr); //todo //virtual_unplug(bd_addr); bond_state_changed(BT_STATUS_SUCCESS, bd_addr, BT_BOND_STATE_NONE); return; } else if (check_cod(bd_addr, COD_HID_KEYBOARD)|| check_cod(bd_addr, COD_HID_COMBO)) { btif_hh_remove_device(*bd_addr); } #endif 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; } } /****************************************************************************** ** ** 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; 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) { LOGD("cod is 0, set as unclassified"); cod = COD_UNCLASSIFIED; } 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 incoming_bonding; /* if bonding state is BT_BOND_STATE_BONDING, then we initiated it */ incoming_bonding = !(pairing_cb.state == BT_BOND_STATE_BONDING); BTIF_TRACE_DEBUG1("%s", __FUNCTION__); 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 ((p_ssp_cfm_req->loc_auth_req >= BTM_AUTH_AP_NO && p_ssp_cfm_req->rmt_auth_req >= BTM_AUTH_AP_NO) || (p_ssp_cfm_req->loc_auth_req == BTM_AUTH_AP_NO || p_ssp_cfm_req->loc_auth_req == BTM_AUTH_AP_YES) || (p_ssp_cfm_req->rmt_auth_req == BTM_AUTH_AP_NO || p_ssp_cfm_req->rmt_auth_req == BTM_AUTH_AP_YES)) pairing_cb.is_temp = FALSE; else pairing_cb.is_temp = TRUE; /* If JustWorks auto-accept if we initiated bonding */ if (p_ssp_cfm_req->just_works && !incoming_bonding) { 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) { LOGD("cod is 0, set as unclassified"); cod = COD_UNCLASSIFIED; } /* TODO: pairing variant passkey_entry? */ 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__); 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); cod = devclass2uint(p_ssp_key_notif->dev_class); if ( cod == 0) { LOGD("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 */ btif_dm_get_remote_services(&bd_addr); } 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)+1; 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) { LOGD("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)+1, &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: case BTA_DM_SEARCH_CANCEL_CMPL_EVT: { 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.val = (void*)uuid_arr; prop.len = 0; for (i=0; i < BTA_MAX_SERVICE_ID; i++) { if(p_data->disc_res.services &(tBTA_SERVICE_MASK)(BTA_SERVICE_ID_TO_SERVICE_MASK(i))) { memset(&uuid_arr[j], 0, sizeof(bt_uuid_t)); uuid16_to_uuid128(bta_service_id_to_uuid_lkup_tbl[i], &uuid_arr[j]); prop.len += sizeof(bt_uuid_t); j++; } } /* 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: %d", 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 = 0; 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); } } /* This function will also trigger the adapter_properties_cb ** and bonded_devices_info_cb */ btif_storage_load_bonded_devices(); 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_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); btif_storage_remove_bonded_device(&bd_addr); bond_state_changed(BT_STATUS_SUCCESS, &bd_addr, BT_BOND_STATE_NONE); break; case BTA_DM_AUTHORIZE_EVT: case BTA_DM_LINK_DOWN_EVT: case BTA_DM_SIG_STRENGTH_EVT: case BTA_DM_BUSY_LEVEL_EVT: case BTA_DM_BOND_CANCEL_CMPL_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; 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) { /* 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_search_services_evt, event, (char*)p_data, sizeof(tBTA_DM_SEARCH), 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 */ /* find nearby devices */ BTA_DmSearch(&inq_params, services, bte_search_devices_evt); /* Invoke the discovery_started callback */ btif_transfer_context(btif_dm_generic_evt, BTIF_DM_CB_DISCOVERY_STARTED, NULL, 0, NULL); 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. Check if ACL is already up with this device ** 2. Restore scan modes ** 3. special handling for HID devices */ BTA_DmBondCancel ((UINT8 *)bd_addr->address); 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)+1; } 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 = 0; 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; }