| // |
| // Copyright (C) 2015 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 "shill/dbus/chromeos_permission_broker_proxy.h" |
| |
| #include <string> |
| #include <vector> |
| |
| #include "shill/logging.h" |
| |
| namespace shill { |
| |
| // static |
| const int ChromeosPermissionBrokerProxy::kInvalidHandle = -1; |
| |
| ChromeosPermissionBrokerProxy::ChromeosPermissionBrokerProxy( |
| const scoped_refptr<dbus::Bus>& bus) |
| : proxy_(new org::chromium::PermissionBrokerProxy(bus)), |
| lifeline_read_fd_(kInvalidHandle), |
| lifeline_write_fd_(kInvalidHandle) { |
| // TODO(zqiu): register handler for service name owner changes, to |
| // automatically re-request VPN setup when permission broker is restarted. |
| } |
| |
| ChromeosPermissionBrokerProxy::~ChromeosPermissionBrokerProxy() {} |
| |
| bool ChromeosPermissionBrokerProxy::RequestVpnSetup( |
| const std::vector<std::string>& user_names, |
| const std::string& interface) { |
| if (lifeline_read_fd_ != kInvalidHandle || |
| lifeline_write_fd_ != kInvalidHandle) { |
| LOG(ERROR) << "Already setup?"; |
| return false; |
| } |
| |
| // TODO(zqiu): move pipe creation/cleanup to the constructor and destructor. |
| // No need to recreate pipe for each request. |
| int fds[2]; |
| if (pipe(fds) != 0) { |
| LOG(ERROR) << "Failed to create lifeline pipe"; |
| return false; |
| } |
| lifeline_read_fd_ = fds[0]; |
| lifeline_write_fd_ = fds[1]; |
| |
| dbus::FileDescriptor dbus_fd(lifeline_read_fd_); |
| dbus_fd.CheckValidity(); |
| brillo::ErrorPtr error; |
| bool success = false; |
| if (!proxy_->RequestVpnSetup( |
| user_names, interface, dbus_fd, &success, &error)) { |
| LOG(ERROR) << "Failed to request VPN setup: " << error->GetCode() |
| << " " << error->GetMessage(); |
| } |
| return success; |
| } |
| |
| bool ChromeosPermissionBrokerProxy::RemoveVpnSetup() { |
| if (lifeline_read_fd_ == kInvalidHandle && |
| lifeline_write_fd_ == kInvalidHandle) { |
| return true; |
| } |
| |
| close(lifeline_read_fd_); |
| close(lifeline_write_fd_); |
| lifeline_read_fd_ = kInvalidHandle; |
| lifeline_write_fd_ = kInvalidHandle; |
| brillo::ErrorPtr error; |
| bool success = false; |
| if (!proxy_->RemoveVpnSetup(&success, &error)) { |
| LOG(ERROR) << "Failed to remove VPN setup: " << error->GetCode() |
| << " " << error->GetMessage(); |
| } |
| return success; |
| } |
| |
| } // namespace shill |