| // Copyright 2015 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "webservd/permission_broker_firewall.h" |
| |
| #include <unistd.h> |
| |
| #include <string> |
| #include <utility> |
| |
| #include <base/bind.h> |
| #include <base/check.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, |
| base::OnceClosure callback) { |
| service_started_cb_ = std::move(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, |
| base::OnceCallback<void(bool)> success_cb, |
| base::OnceCallback<void(brillo::Error*)> failure_cb) { |
| proxy_->RequestTcpPortAccessAsync(port, interface_name, lifeline_read_fd_, |
| std::move(success_cb), |
| std::move(failure_cb)); |
| } |
| |
| void PermissionBrokerFirewall::OnPermissionBrokerAvailable(bool available) { |
| if (available && !service_started_cb_.is_null()) |
| std::move(service_started_cb_).Run(); |
| } |
| |
| void PermissionBrokerFirewall::OnPermissionBrokerNameOwnerChanged( |
| const std::string& old_owner, const std::string& new_owner) { |
| if (!new_owner.empty() && !service_started_cb_.is_null()) |
| std::move(service_started_cb_).Run(); |
| } |
| |
| } // namespace webservd |