| /* |
| * Copyright 2020 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #include "main/shim/acl_api.h" |
| |
| #include <cstddef> |
| #include <cstdint> |
| #include <future> |
| #include <optional> |
| |
| #include "gd/hci/acl_manager.h" |
| #include "gd/hci/remote_name_request.h" |
| #include "main/shim/dumpsys.h" |
| #include "main/shim/entry.h" |
| #include "main/shim/helpers.h" |
| #include "main/shim/stack.h" |
| #include "osi/include/allocator.h" |
| #include "stack/btm/btm_sec.h" |
| #include "stack/btm/security_device_record.h" |
| #include "stack/include/bt_hdr.h" |
| #include "stack/include/btu.h" // do_in_main_thread |
| #include "stack/include/inq_hci_link_interface.h" |
| #include "types/ble_address_with_type.h" |
| #include "types/raw_address.h" |
| |
| void bluetooth::shim::ACL_CreateClassicConnection( |
| const RawAddress& raw_address) { |
| auto address = ToGdAddress(raw_address); |
| Stack::GetInstance()->GetAcl()->CreateClassicConnection(address); |
| } |
| |
| void bluetooth::shim::ACL_CancelClassicConnection( |
| const RawAddress& raw_address) { |
| auto address = ToGdAddress(raw_address); |
| Stack::GetInstance()->GetAcl()->CancelClassicConnection(address); |
| } |
| |
| bool bluetooth::shim::ACL_AcceptLeConnectionFrom( |
| const tBLE_BD_ADDR& legacy_address_with_type, bool is_direct) { |
| std::promise<bool> promise; |
| auto future = promise.get_future(); |
| Stack::GetInstance()->GetAcl()->AcceptLeConnectionFrom( |
| ToAddressWithTypeFromLegacy(legacy_address_with_type), is_direct, |
| std::move(promise)); |
| return future.get(); |
| } |
| |
| void bluetooth::shim::ACL_IgnoreLeConnectionFrom( |
| const tBLE_BD_ADDR& legacy_address_with_type) { |
| Stack::GetInstance()->GetAcl()->IgnoreLeConnectionFrom( |
| ToAddressWithTypeFromLegacy(legacy_address_with_type)); |
| } |
| |
| void bluetooth::shim::ACL_WriteData(uint16_t handle, BT_HDR* p_buf) { |
| std::unique_ptr<bluetooth::packet::RawBuilder> packet = MakeUniquePacket( |
| p_buf->data + p_buf->offset + HCI_DATA_PREAMBLE_SIZE, |
| p_buf->len - HCI_DATA_PREAMBLE_SIZE, IsPacketFlushable(p_buf)); |
| Stack::GetInstance()->GetAcl()->WriteData(handle, std::move(packet)); |
| osi_free(p_buf); |
| } |
| |
| void bluetooth::shim::ACL_ConfigureLePrivacy(bool is_le_privacy_enabled) { |
| hci::LeAddressManager::AddressPolicy address_policy = |
| is_le_privacy_enabled |
| ? hci::LeAddressManager::AddressPolicy::USE_RESOLVABLE_ADDRESS |
| : hci::LeAddressManager::AddressPolicy::USE_PUBLIC_ADDRESS; |
| hci::AddressWithType empty_address_with_type( |
| hci::Address{}, hci::AddressType::RANDOM_DEVICE_ADDRESS); |
| /* 7 minutes minimum, 15 minutes maximum for random address refreshing */ |
| auto minimum_rotation_time = std::chrono::minutes(7); |
| auto maximum_rotation_time = std::chrono::minutes(15); |
| |
| Stack::GetInstance() |
| ->GetStackManager() |
| ->GetInstance<bluetooth::hci::AclManager>() |
| ->SetPrivacyPolicyForInitiatorAddress( |
| address_policy, empty_address_with_type, minimum_rotation_time, |
| maximum_rotation_time); |
| } |
| |
| void bluetooth::shim::ACL_Disconnect(uint16_t handle, bool is_classic, |
| tHCI_STATUS reason, std::string comment) { |
| (is_classic) |
| ? Stack::GetInstance()->GetAcl()->DisconnectClassic(handle, reason, |
| comment) |
| : Stack::GetInstance()->GetAcl()->DisconnectLe(handle, reason, comment); |
| } |
| |
| void bluetooth::shim::ACL_Shutdown() { |
| Stack::GetInstance()->GetAcl()->Shutdown(); |
| } |
| |
| void bluetooth::shim::ACL_IgnoreAllLeConnections() { |
| return Stack::GetInstance()->GetAcl()->ClearFilterAcceptList(); |
| } |
| |
| void bluetooth::shim::ACL_ReadConnectionAddress(uint16_t handle, |
| RawAddress& conn_addr, |
| tBLE_ADDR_TYPE* p_addr_type, |
| bool ota_address) { |
| auto local_address = |
| Stack::GetInstance()->GetAcl()->GetConnectionLocalAddress(handle, |
| ota_address); |
| |
| conn_addr = ToRawAddress(local_address.GetAddress()); |
| *p_addr_type = static_cast<tBLE_ADDR_TYPE>(local_address.GetAddressType()); |
| } |
| |
| void bluetooth::shim::ACL_ReadPeerConnectionAddress(uint16_t handle, |
| RawAddress& conn_addr, |
| tBLE_ADDR_TYPE* p_addr_type, |
| bool ota_address) { |
| auto remote_ota_address = |
| Stack::GetInstance()->GetAcl()->GetConnectionPeerAddress(handle, |
| ota_address); |
| |
| conn_addr = ToRawAddress(remote_ota_address.GetAddress()); |
| *p_addr_type = |
| static_cast<tBLE_ADDR_TYPE>(remote_ota_address.GetAddressType()); |
| } |
| |
| std::optional<uint8_t> bluetooth::shim::ACL_GetAdvertisingSetConnectedTo( |
| const RawAddress& addr) { |
| return Stack::GetInstance()->GetAcl()->GetAdvertisingSetConnectedTo(addr); |
| } |
| |
| void bluetooth::shim::ACL_AddToAddressResolution( |
| const tBLE_BD_ADDR& legacy_address_with_type, const Octet16& peer_irk, |
| const Octet16& local_irk) { |
| Stack::GetInstance()->GetAcl()->AddToAddressResolution( |
| ToAddressWithType(legacy_address_with_type.bda, |
| legacy_address_with_type.type), |
| peer_irk, local_irk); |
| } |
| |
| void bluetooth::shim::ACL_RemoveFromAddressResolution( |
| const tBLE_BD_ADDR& legacy_address_with_type) { |
| Stack::GetInstance()->GetAcl()->RemoveFromAddressResolution(ToAddressWithType( |
| legacy_address_with_type.bda, legacy_address_with_type.type)); |
| } |
| |
| void bluetooth::shim::ACL_ClearAddressResolution() { |
| Stack::GetInstance()->GetAcl()->ClearAddressResolution(); |
| } |
| |
| void bluetooth::shim::ACL_ClearFilterAcceptList() { |
| Stack::GetInstance()->GetAcl()->ClearFilterAcceptList(); |
| } |
| void bluetooth::shim::ACL_LeSetDefaultSubrate(uint16_t subrate_min, |
| uint16_t subrate_max, |
| uint16_t max_latency, |
| uint16_t cont_num, |
| uint16_t sup_tout) { |
| Stack::GetInstance()->GetAcl()->LeSetDefaultSubrate( |
| subrate_min, subrate_max, max_latency, cont_num, sup_tout); |
| } |
| |
| void bluetooth::shim::ACL_LeSubrateRequest( |
| uint16_t hci_handle, uint16_t subrate_min, uint16_t subrate_max, |
| uint16_t max_latency, uint16_t cont_num, uint16_t sup_tout) { |
| Stack::GetInstance()->GetAcl()->LeSubrateRequest( |
| hci_handle, subrate_min, subrate_max, max_latency, cont_num, sup_tout); |
| } |
| |
| void bluetooth::shim::ACL_RemoteNameRequest(const RawAddress& addr, |
| uint8_t page_scan_rep_mode, |
| uint8_t page_scan_mode, |
| uint16_t clock_offset) { |
| bluetooth::shim::GetRemoteNameRequest()->StartRemoteNameRequest( |
| ToGdAddress(addr), |
| hci::RemoteNameRequestBuilder::Create( |
| ToGdAddress(addr), hci::PageScanRepetitionMode(page_scan_rep_mode), |
| clock_offset & (~BTM_CLOCK_OFFSET_VALID), |
| (clock_offset & BTM_CLOCK_OFFSET_VALID) |
| ? hci::ClockOffsetValid::VALID |
| : hci::ClockOffsetValid::INVALID), |
| GetGdShimHandler()->BindOnce([](hci::ErrorCode status) { |
| if (status != hci::ErrorCode::SUCCESS) { |
| do_in_main_thread( |
| FROM_HERE, |
| base::BindOnce( |
| [](hci::ErrorCode status) { |
| // NOTE: we intentionally don't supply the address, to match |
| // the legacy behavior. |
| // Callsites that want the address should use |
| // StartRemoteNameRequest() directly, rather than going |
| // through this shim. |
| btm_process_remote_name(nullptr, nullptr, 0, |
| static_cast<tHCI_STATUS>(status)); |
| btm_sec_rmt_name_request_complete( |
| nullptr, nullptr, static_cast<tHCI_STATUS>(status)); |
| }, |
| status)); |
| } |
| }), |
| GetGdShimHandler()->BindOnce( |
| [](RawAddress addr, uint64_t features) { |
| static_assert(sizeof(features) == 8); |
| auto addr_array = addr.ToArray(); |
| auto p = (uint8_t*)osi_malloc(addr_array.size() + sizeof(features)); |
| std::copy(addr_array.rbegin(), addr_array.rend(), p); |
| for (int i = 0; i != sizeof(features); ++i) { |
| p[addr_array.size() + i] = features & ((1 << 8) - 1); |
| features >>= 8; |
| } |
| do_in_main_thread( |
| FROM_HERE, |
| base::BindOnce(btm_sec_rmt_host_support_feat_evt, p)); |
| }, |
| addr), |
| GetGdShimHandler()->BindOnce( |
| [](RawAddress addr, hci::ErrorCode status, |
| std::array<uint8_t, 248> name) { |
| do_in_main_thread( |
| FROM_HERE, |
| base::BindOnce( |
| [](RawAddress addr, hci::ErrorCode status, |
| std::array<uint8_t, 248> name) { |
| auto p = (uint8_t*)osi_malloc(name.size()); |
| std::copy(name.begin(), name.end(), p); |
| |
| btm_process_remote_name(&addr, p, name.size(), |
| static_cast<tHCI_STATUS>(status)); |
| btm_sec_rmt_name_request_complete( |
| &addr, p, static_cast<tHCI_STATUS>(status)); |
| }, |
| addr, status, name)); |
| }, |
| addr)); |
| } |
| |
| void bluetooth::shim::ACL_CancelRemoteNameRequest(const RawAddress& addr) { |
| bluetooth::shim::GetRemoteNameRequest()->CancelRemoteNameRequest( |
| ToGdAddress(addr)); |
| } |
