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/*
* Copyright (C) 2017 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 "bluetooth_socket_manager.h"
#include "permission_helpers.h"
#include <base/logging.h>
#include <binder/IPCThreadState.h>
using ::android::String8;
using ::android::binder::Status;
using ::android::os::ParcelFileDescriptor;
using ::android::os::ParcelUuid;
namespace android {
namespace bluetooth {
Status BluetoothSocketManagerBinderServer::connectSocket(
const BluetoothDevice& device, int32_t type,
const std::optional<ParcelUuid>& uuid, int32_t port, int32_t flag,
std::optional<ParcelFileDescriptor>* _aidl_return) {
if (!isCallerActiveUserOrManagedProfile()) {
LOG(WARNING) << "connectSocket() - Not allowed for non-active users";
return Status::fromExceptionCode(
Status::EX_SECURITY, String8("Not allowed for non-active users"));
}
ENFORCE_PERMISSION(PERMISSION_BLUETOOTH_CONNECT);
IPCThreadState* ipc = IPCThreadState::self();
int socket_fd = -1;
bt_status_t status = socketInterface->connect(
&device.address, (btsock_type_t)type, uuid ? &uuid->uuid : nullptr, port,
&socket_fd, flag, ipc->getCallingUid());
if (status != BT_STATUS_SUCCESS) {
LOG(ERROR) << "Socket connection failed: " << +status;
socket_fd = -1;
}
if (socket_fd < 0) {
LOG(ERROR) << "Fail to create file descriptor on socket fd";
return Status::ok();
}
_aidl_return->emplace(android::base::unique_fd(socket_fd));
return Status::ok();
}
Status BluetoothSocketManagerBinderServer::createSocketChannel(
int32_t type, const std::optional<::android::String16>& serviceName,
const std::optional<ParcelUuid>& uuid, int32_t port, int32_t flag,
std::optional<ParcelFileDescriptor>* _aidl_return) {
if (!isCallerActiveUserOrManagedProfile()) {
LOG(WARNING) << "createSocketChannel() - Not allowed for non-active users";
return Status::fromExceptionCode(
Status::EX_SECURITY, String8("Not allowed for non-active users"));
}
ENFORCE_PERMISSION(PERMISSION_BLUETOOTH_CONNECT);
VLOG(1) << __func__ << ": SOCK FLAG=" << flag;
IPCThreadState* ipc = IPCThreadState::self();
int socket_fd = -1;
const std::string payload_url{};
bt_status_t status = socketInterface->listen(
(btsock_type_t)type,
serviceName ? String8{*serviceName}.c_str() : nullptr,
uuid ? &uuid->uuid : nullptr, port, &socket_fd, flag,
ipc->getCallingUid());
if (status != BT_STATUS_SUCCESS) {
LOG(ERROR) << "Socket listen failed: " << +status;
socket_fd = -1;
}
if (socket_fd < 0) {
LOG(ERROR) << "Failed to create file descriptor on socket fd";
return Status::ok();
}
_aidl_return->emplace(android::base::unique_fd(socket_fd));
return Status::ok();
}
Status BluetoothSocketManagerBinderServer::requestMaximumTxDataLength(
const BluetoothDevice& device) {
if (!isCallerActiveUserOrManagedProfile()) {
LOG(WARNING) << __func__ << ": Not allowed for non-active users";
return Status::fromExceptionCode(
Status::EX_SECURITY, String8("Not allowed for non-active users"));
}
ENFORCE_PERMISSION(PERMISSION_BLUETOOTH_CONNECT);
VLOG(1) << __func__;
socketInterface->request_max_tx_data_length(device.address);
return Status::ok();
}
} // namespace bluetooth
} // namespace android
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