RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 12:57:34 +00:00
Code Issues Activity Actions

Services: Add InspectorServer to reverse the direction of Inspector

Browse source 
This service daemon will act as an intermediary between the Inspector
program and the inspectable programs it wants to inspect.

Programs can make themselves available for inspection by connecting
to /tmp/portal/inspectables using the Core::EventLoop RPC protocol.
This commit is contained in:
Andreas Kling 2021-05-13 22:34:57 +02:00
parent 3c3b384c80
commit 3d3a5b431f
11 changed files with 332 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

57
Userland/Services/InspectorServer/main.cpp Normal file
View file

@ -0,0 +1,57 @@
/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "InspectableProcess.h"
#include <InspectorServer/ClientConnection.h>
#include <LibCore/EventLoop.h>
#include <LibCore/LocalServer.h>
#include <LibIPC/ClientConnection.h>
int main(int, char**)
{
Core::EventLoop event_loop(Core::EventLoop::MakeInspectable::No);
auto server = Core::LocalServer::construct();
if (pledge("stdio unix accept", nullptr) < 0) {
perror("pledge");
return 1;
}
bool ok = server->take_over_from_system_server("/tmp/portal/inspector");
VERIFY(ok);
server->on_ready_to_accept = [&] {
auto client_socket = server->accept();
if (!client_socket) {
dbgln("accept failed.");
return;
}
static int s_next_client_id = 0;
int client_id = ++s_next_client_id;
IPC::new_client_connection<InspectorServer::ClientConnection>(client_socket.release_nonnull(), client_id);
};
auto inspectables_server = Core::LocalServer::construct();
if (!inspectables_server->take_over_from_system_server("/tmp/portal/inspectables"))
VERIFY_NOT_REACHED();
inspectables_server->on_ready_to_accept = [&] {
auto client_socket = inspectables_server->accept();
if (!client_socket) {
dbgln("backdoor accept failed.");
return;
}
struct ucred creds = {};
socklen_t creds_size = sizeof(creds);
if (getsockopt(client_socket->fd(), SOL_SOCKET, SO_PEERCRED, &creds, &creds_size) < 0) {
dbgln("SO_PEERCRED failed");
return;
}
InspectorServer::g_processes.set(creds.pid, make<InspectorServer::InspectableProcess>(creds.pid, client_socket.release_nonnull()));
};
return event_loop.exec();
}