| // Copyright 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 "webservd/permission_broker_firewall.h" |
| |
| #include <unistd.h> |
| |
| #include <string> |
| |
| #include <base/bind.h> |
| #include <base/macros.h> |
| |
| namespace webservd { |
| |
| PermissionBrokerFirewall::PermissionBrokerFirewall() { |
| int fds[2]; |
| PCHECK(pipe(fds) == 0) << "Failed to create firewall lifeline pipe"; |
| lifeline_read_fd_ = fds[0]; |
| lifeline_write_fd_ = fds[1]; |
| } |
| |
| PermissionBrokerFirewall::~PermissionBrokerFirewall() { |
| close(lifeline_read_fd_); |
| close(lifeline_write_fd_); |
| } |
| |
| void PermissionBrokerFirewall::WaitForServiceAsync( |
| scoped_refptr<dbus::Bus> bus, |
| const base::Closure& callback) { |
| service_started_cb_ = callback; |
| proxy_ = std::make_unique<org::chromium::PermissionBrokerProxy>(bus); |
| proxy_->GetObjectProxy()->WaitForServiceToBeAvailable( |
| base::Bind(&PermissionBrokerFirewall::OnPermissionBrokerAvailable, |
| weak_ptr_factory_.GetWeakPtr())); |
| proxy_->GetObjectProxy()->SetNameOwnerChangedCallback( |
| base::Bind(&PermissionBrokerFirewall::OnPermissionBrokerNameOwnerChanged, |
| weak_ptr_factory_.GetWeakPtr())); |
| } |
| |
| void PermissionBrokerFirewall::PunchTcpHoleAsync( |
| uint16_t port, |
| const std::string& interface_name, |
| const base::Callback<void(bool)>& success_cb, |
| const base::Callback<void(brillo::Error*)>& failure_cb) { |
| proxy_->RequestTcpPortAccessAsync(port, interface_name, lifeline_read_fd_, |
| success_cb, failure_cb); |
| } |
| |
| void PermissionBrokerFirewall::OnPermissionBrokerAvailable(bool available) { |
| if (available) |
| service_started_cb_.Run(); |
| } |
| |
| void PermissionBrokerFirewall::OnPermissionBrokerNameOwnerChanged( |
| const std::string& old_owner, |
| const std::string& new_owner) { |
| if (!new_owner.empty()) |
| service_started_cb_.Run(); |
| } |
| |
| } // namespace webservd |