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/*
* Copyright © 2013 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Thomas Voß <thomas.voss@canonical.com>
*/
#include <core/dbus/dbus.h>
#include <core/dbus/fixture.h>
#include <core/dbus/object.h>
#include <core/dbus/service.h>
#include <core/dbus/asio/executor.h>
#include "sig_term_catcher.h"
#include "test_data.h"
#include "test_service.h"
#include <core/testing/cross_process_sync.h>
#include <core/testing/fork_and_run.h>
#include <gtest/gtest.h>
namespace dbus = core::dbus;
namespace
{
struct DBus : public core::dbus::testing::Fixture
{
};
auto session_bus_config_file =
core::dbus::testing::Fixture::default_session_bus_config_file() =
core::testing::session_bus_configuration_file();
auto system_bus_config_file =
core::dbus::testing::Fixture::default_system_bus_config_file() =
core::testing::system_bus_configuration_file();
}
TEST_F(DBus, QueryingUnixProcessIdReturnsCorrectResult)
{
const std::string path{"/this/is/just/a/test/service"};
core::testing::CrossProcessSync barrier;
auto client = core::posix::fork([this, path, &barrier]()
{
barrier.wait_for_signal_ready_for(std::chrono::milliseconds{500});
auto bus = session_bus();
auto service = dbus::Service::use_service<test::Service>(bus);
auto object = service->object_for_path(dbus::types::ObjectPath{path});
object->invoke_method_synchronously<test::Service::Method, void>();
return ::testing::Test::HasFailure() ? core::posix::exit::Status::failure : core::posix::exit::Status::success;
}, core::posix::StandardStream::empty);
uint32_t pid = client.pid();
uint32_t uid = getuid();
auto service = core::posix::fork([this, path, pid, uid, &barrier]()
{
core::testing::SigTermCatcher sc;
auto bus = session_bus();
bus->install_executor(core::dbus::asio::make_executor(bus));
dbus::DBus daemon{bus};
auto service = dbus::Service::add_service<test::Service>(bus);
auto object = service->add_object_for_path(dbus::types::ObjectPath{path});
uint32_t sender_pid = 0, sender_uid = 0;
auto handler = [&daemon, &sender_pid, &sender_uid, bus](const dbus::Message::Ptr& msg)
{
auto sender = msg->sender();
sender_pid = daemon.get_connection_unix_process_id(sender);
sender_uid = daemon.get_connection_unix_user(sender);
auto reply = dbus::Message::make_method_return(msg);
bus->send(reply);
bus->stop();
};
object->install_method_handler<test::Service::Method>(handler);
barrier.try_signal_ready_for(std::chrono::milliseconds{500});
std::thread t1{[bus](){ bus->run(); }};
std::thread t2{[bus](){ bus->run(); }};
sc.wait_for_signal();
if (t1.joinable())
t1.join();
if (t2.joinable())
t2.join();
EXPECT_EQ(pid, sender_pid);
EXPECT_EQ(uid, sender_uid);
return ::testing::Test::HasFailure() ? core::posix::exit::Status::failure : core::posix::exit::Status::success;
}, core::posix::StandardStream::empty);
auto client_result = client.wait_for(core::posix::wait::Flags::untraced);
EXPECT_EQ(core::posix::wait::Result::Status::exited,
client_result.status);
EXPECT_EQ(core::posix::exit::Status::success,
client_result.detail.if_exited.status);
service.send_signal_or_throw(core::posix::Signal::sig_term);
auto service_result = service.wait_for(core::posix::wait::Flags::untraced);
EXPECT_EQ(core::posix::wait::Result::Status::exited,
service_result.status);
EXPECT_EQ(core::posix::exit::Status::success,
service_result.detail.if_exited.status);
}
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