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#include <Server.hpp>
// 'M1' -> cl request
// 'M2' -> mod request
// 'M3' -> ban request
namespace Handler
{
void OnClientConnection(Networking::TCPConnection &Connection)
{
printf("[ !! ] Client at %s requested connection!\n", Connection.GetIpAddress());
// Initialize login server for the client.
Login::RemoteLoginServer LoginServer;
ByteArray LoginHeader = Connection.ReceiveBytes();
// Invalid login header.
if(!LoginServer.Start(LoginHeader))
return;
printf("[ !! ] Received login header from %s!\n", Connection.GetIpAddress());
// Reply with server header.
ByteArray LoginReply = LoginServer.GetResponse();
Connection.SendBytes(LoginReply);
ByteArray LoginReplyEcho = Connection.ReceiveBytes();
if(LoginReply.size() != LoginReplyEcho.size())
{
printf("[ !! ] Echo from %s invalid, dropping connection!\n", Connection.GetIpAddress());
return;
}
RemoteCode::FileReader File;
if(!File.Start("csgo-module.dll"))
return;
// Send them the loader module to inject the cheat.
printf("[ !! ] Sending latest loader module!\n");
ByteArray RawLdrModule;
RawLdrModule.insert(
RawLdrModule.begin(),
(uint8_t *)File,
(uint8_t *)(File + File.GetFileLength())
);
Connection.SendBytes(RawLdrModule);
}
void OnModuleConnection(Networking::TCPConnection &Connection)
{
// The output of this function will be verbose by default.
printf("[ !! ] Module hello from %s!\n", Connection.GetIpAddress());
}
void OnBanReqConnection(Networking::TCPConnection &Connection)
{
// Use for forum IP-ban purposes or whatever..
printf("[ !! ] Client at %s requested ban!\n", Connection.GetIpAddress());
// TODO: Ban user?
}
void OnReceiveConnection(Networking::TCPConnection &Connection)
{
ByteArray Header = Connection.ReceiveRawBytes();
if(Header.empty())
{
printf("[ !! ] Client at %s sent malformed request!\n", Connection.GetIpAddress());
return;
}
uint32_t HeaderCode = *(uint32_t *)&Header[0];
switch(HeaderCode)
{
case CLIENT_HEADER: // "MB1"
OnClientConnection(Connection); break;
case MODULE_HEADER: // "MB2"
OnModuleConnection(Connection); break;
case BANREQ_HEADER: // "MB3";
OnBanReqConnection(Connection); break;
// Drop any malformed clients.
default:
printf("[ !! ] Client at %s sent malformed request!\n", Connection.GetIpAddress());
}
}
}
int __stdcall WinMain(HINSTANCE, HINSTANCE, char *, int)
{
// Open a debugging console.
Utils::OpenConsole();
// Create an instance of the TCP server.
Networking::TCPServer Server;
bool Result = Server.Start(SERVER_PORT);
if(Result)
{
// Attach our connection handler.
Server += Handler::OnReceiveConnection;
// Accept any incoming connections.
for(;;)
Server.AcceptConnection();
}
if(!Result)
printf("[ E! ] Failed to initialise server. (%08lx)\n", WSAGetLastError());
system("pause");
}
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