From a5b377745116de2b269cdfc5b90f08f46d0432d2 Mon Sep 17 00:00:00 2001
From: hovertank3d <isk@lzcnt.space>
Date: Thu, 13 Nov 2025 23:02:56 +0100
Subject: initial commit

---
 src/kill_proxy.cpp | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 src/kill_proxy.cpp

(limited to 'src/kill_proxy.cpp')

diff --git a/src/kill_proxy.cpp b/src/kill_proxy.cpp
new file mode 100644
index 0000000..a2a2e27
--- /dev/null
+++ b/src/kill_proxy.cpp
@@ -0,0 +1,80 @@
+#include <arpa/inet.h>
+#include <bitset>
+#include <concepts>
+#include <cstdint>
+#include <fcntl.h>
+#include <format>
+#include <iostream>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <ostream>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/wait.h>
+#include <thread>
+#include <unistd.h>
+#include <utility>
+
+#include "net/client.hpp"
+#include "net/conn.hpp"
+#include "net/server.hpp"
+#include "net/types.hpp"
+
+using net::packet::operator""_ns;
+
+template <typename T, T... ints>
+void forward_packets(net::conn &dst, net::conn &src, std::integer_sequence<T, ints...> int_seq) {
+	(src.reg_handler<net::packet::raw<ints>>([&dst](auto &a) {
+		dst.send_packet(a);
+		return true;
+	}), ...);
+}
+
+int main(int argc, char* argv[])
+{
+	auto server = net::client("localhost", 7777);
+	auto proxy = net::server("localhost", 8888);
+
+	proxy.bind();
+	proxy.listen(1);
+
+	auto server_conn = server.connect();
+	auto proxy_conn = proxy.accept();
+
+	uint8_t slot;
+	server_conn.reg_handler<net::packet::accept>([=, &slot](auto& a) {
+		slot = a.client_id;
+		return false;
+	});
+
+	proxy_conn.reg_handler<net::packet::damage_player>([&slot, &server_conn](auto &dmg) {
+		if (dmg.client_id != slot) {
+			dmg.damage *= 100;
+			dmg.reason.reasons.at(0) = 0;
+
+			dmg.reason.reasons[net::packet::death_reason::reason::Custom] = true;
+			dmg.reason.custom = "killed by server insecurity";
+			
+			server_conn.send_packet(dmg);
+			return true;
+		}
+		return false;
+	});
+
+	forward_packets(server_conn, proxy_conn, std::make_integer_sequence<uint8_t, 255>{});
+	forward_packets(proxy_conn, server_conn, std::make_integer_sequence<uint8_t, 255>{});
+
+	auto handle_loop = [] (net::conn &c) {
+		for(;;) {
+			c.handle();
+		}
+	};
+
+	std::thread server_thread(handle_loop, std::ref(server_conn));
+	std::thread proxy_thread(handle_loop, std::ref(proxy_conn));
+
+	return 0;
+}
\ No newline at end of file
-- 
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