summaryrefslogtreecommitdiffstats
path: root/source/RCONServer.cpp
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--source/RCONServer.cpp333
1 files changed, 0 insertions, 333 deletions
diff --git a/source/RCONServer.cpp b/source/RCONServer.cpp
deleted file mode 100644
index 3f86a7ca2..000000000
--- a/source/RCONServer.cpp
+++ /dev/null
@@ -1,333 +0,0 @@
-
-// RCONServer.cpp
-
-// Implements the cRCONServer class representing the RCON server
-
-#include "Globals.h"
-#include "../iniFile/iniFile.h"
-#include "RCONServer.h"
-#include "Server.h"
-#include "Root.h"
-#include "CommandOutput.h"
-
-
-
-
-
-// Disable MSVC warnings:
-#if defined(_MSC_VER)
- #pragma warning(push)
- #pragma warning(disable:4355) // 'this' : used in base member initializer list
-#endif
-
-
-
-
-
-enum
-{
- // Client -> Server:
- RCON_PACKET_COMMAND = 2,
- RCON_PACKET_LOGIN = 3,
-
- // Server -> Client:
- RCON_PACKET_RESPONSE = 2,
-} ;
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cRCONCommandOutput:
-
-class cRCONCommandOutput :
- public cCommandOutputCallback
-{
-public:
- cRCONCommandOutput(cRCONServer::cConnection & a_Connection, int a_RequestID) :
- m_Connection(a_Connection),
- m_RequestID(a_RequestID)
- {
- }
-
- // cCommandOutputCallback overrides:
- virtual void Out(const AString & a_Text) override
- {
- m_Buffer.append(a_Text);
- }
-
- virtual void Finished(void) override
- {
- m_Connection.SendResponse(m_RequestID, RCON_PACKET_RESPONSE, m_Buffer.size(), m_Buffer.c_str());
- delete this;
- }
-
-protected:
- cRCONServer::cConnection & m_Connection;
- int m_RequestID;
- AString m_Buffer;
-} ;
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cRCONServer:
-
-cRCONServer::cRCONServer(cServer & a_Server) :
- m_Server(a_Server),
- m_ListenThread4(*this, cSocket::IPv4, "RCON IPv4"),
- m_ListenThread6(*this, cSocket::IPv6, "RCON IPv6")
-{
-}
-
-
-
-
-
-cRCONServer::~cRCONServer()
-{
- m_ListenThread4.Stop();
- m_ListenThread6.Stop();
-}
-
-
-
-
-
-void cRCONServer::Initialize(cIniFile & a_IniFile)
-{
- if (!a_IniFile.GetValueSetB("RCON", "Enabled", false))
- {
- return;
- }
-
- // Read the password, don't allow an empty one:
- m_Password = a_IniFile.GetValueSet("RCON", "Password", "");
- if (m_Password.empty())
- {
- LOGWARNING("RCON is requested, but the password is not set. RCON is now disabled.");
- return;
- }
-
- // Read and initialize both IPv4 and IPv6 ports for RCON
- bool HasAnyPorts = false;
- AString Ports4 = a_IniFile.GetValueSet("RCON", "PortsIPv4", "25575");
- if (m_ListenThread4.Initialize(Ports4))
- {
- HasAnyPorts = true;
- m_ListenThread4.Start();
- }
- AString Ports6 = a_IniFile.GetValueSet("RCON", "PortsIPv6", "25575");
- if (m_ListenThread6.Initialize(Ports6))
- {
- HasAnyPorts = true;
- m_ListenThread6.Start();
- }
- if (!HasAnyPorts)
- {
- LOGWARNING("RCON is requested, but no ports are specified. Specify at least one port in PortsIPv4 or PortsIPv6. RCON is now disabled.");
- return;
- }
-}
-
-
-
-
-
-void cRCONServer::OnConnectionAccepted(cSocket & a_Socket)
-{
- if (!a_Socket.IsValid())
- {
- return;
- }
-
- LOG("RCON Client \"%s\" connected!", a_Socket.GetIPString().c_str());
-
- // Create a new cConnection object, it will be deleted when the connection is closed
- m_SocketThreads.AddClient(a_Socket, new cConnection(*this, a_Socket));
-}
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// cRCONServer::cConnection:
-
-cRCONServer::cConnection::cConnection(cRCONServer & a_RCONServer, cSocket & a_Socket) :
- m_IsAuthenticated(false),
- m_RCONServer(a_RCONServer),
- m_Socket(a_Socket),
- m_IPAddress(a_Socket.GetIPString())
-{
-}
-
-
-
-
-
-void cRCONServer::cConnection::DataReceived(const char * a_Data, int a_Size)
-{
- // Append data to the buffer:
- m_Buffer.append(a_Data, a_Size);
-
- // Process the packets in the buffer:
- while (m_Buffer.size() >= 14)
- {
- int Length = IntFromBuffer(m_Buffer.data());
- if (Length > 1500)
- {
- // Too long, drop the connection
- LOGWARNING("Received an invalid RCON packet length (%d), dropping RCON connection to %s.",
- Length, m_IPAddress.c_str()
- );
- m_RCONServer.m_SocketThreads.RemoveClient(this);
- m_Socket.CloseSocket();
- delete this;
- return;
- }
- if (Length > (int)(m_Buffer.size() + 4))
- {
- // Incomplete packet yet, wait for more data to come
- return;
- }
-
- int RequestID = IntFromBuffer(m_Buffer.data() + 4);
- int PacketType = IntFromBuffer(m_Buffer.data() + 8);
- if (!ProcessPacket(RequestID, PacketType, Length - 10, m_Buffer.data() + 12))
- {
- m_RCONServer.m_SocketThreads.RemoveClient(this);
- m_Socket.CloseSocket();
- delete this;
- return;
- }
- m_Buffer.erase(0, Length + 4);
- } // while (m_Buffer.size() >= 14)
-}
-
-
-
-
-
-void cRCONServer::cConnection::GetOutgoingData(AString & a_Data)
-{
- a_Data.assign(m_Outgoing);
- m_Outgoing.clear();
-}
-
-
-
-
-
-void cRCONServer::cConnection::SocketClosed(void)
-{
- m_RCONServer.m_SocketThreads.RemoveClient(this);
- delete this;
-}
-
-
-
-
-
-bool cRCONServer::cConnection::ProcessPacket(int a_RequestID, int a_PacketType, int a_PayloadLength, const char * a_Payload)
-{
- switch (a_PacketType)
- {
- case RCON_PACKET_LOGIN:
- {
- if (strncmp(a_Payload, m_RCONServer.m_Password.c_str(), a_PayloadLength) != 0)
- {
- LOGINFO("RCON: Invalid password from client %s, dropping connection.", m_IPAddress.c_str());
- SendResponse(-1, RCON_PACKET_RESPONSE, 0, NULL);
- return false;
- }
- m_IsAuthenticated = true;
-
- LOGD("RCON: Client at %s has successfully authenticated", m_IPAddress.c_str());
-
- // Send OK response:
- SendResponse(a_RequestID, RCON_PACKET_RESPONSE, 0, NULL);
- return true;
- }
-
- case RCON_PACKET_COMMAND:
- {
- if (!m_IsAuthenticated)
- {
- char AuthNeeded[] = "You need to authenticate first!";
- SendResponse(a_RequestID, RCON_PACKET_RESPONSE, sizeof(AuthNeeded), AuthNeeded);
- return false;
- }
-
- AString cmd(a_Payload, a_PayloadLength);
- LOGD("RCON command from %s: \"%s\"", m_IPAddress.c_str(), cmd.c_str());
- cRoot::Get()->ExecuteConsoleCommand(cmd, *(new cRCONCommandOutput(*this, a_RequestID)));
-
- // Send an empty response:
- SendResponse(a_RequestID, RCON_PACKET_RESPONSE, 0, NULL);
- return true;
- }
- }
-
- // Unknown packet type, drop the connection:
- LOGWARNING("RCON: Client at %s has sent an unknown packet type %d, dropping connection.",
- m_IPAddress.c_str(), a_PacketType
- );
- return false;
-}
-
-
-
-
-
-/// Reads 4 bytes from a_Buffer and returns the int they represent
-int cRCONServer::cConnection::IntFromBuffer(const char * a_Buffer)
-{
- return ((unsigned char)a_Buffer[3] << 24) | ((unsigned char)a_Buffer[2] << 16) | ((unsigned char)a_Buffer[1] << 8) | (unsigned char)a_Buffer[0];
-}
-
-
-
-
-
-/// Puts 4 bytes representing the int into the buffer
-void cRCONServer::cConnection::IntToBuffer(int a_Value, char * a_Buffer)
-{
- a_Buffer[0] = a_Value & 0xff;
- a_Buffer[1] = (a_Value >> 8) & 0xff;
- a_Buffer[2] = (a_Value >> 16) & 0xff;
- a_Buffer[3] = (a_Value >> 24) & 0xff;
-}
-
-
-
-
-
-/// Sends a RCON packet back to the client
-void cRCONServer::cConnection::SendResponse(int a_RequestID, int a_PacketType, int a_PayloadLength, const char * a_Payload)
-{
- ASSERT((a_PayloadLength == 0) || (a_Payload != NULL)); // Either zero data to send, or a valid payload ptr
-
- char Buffer[4];
- int Length = a_PayloadLength + 10;
- IntToBuffer(Length, Buffer);
- m_Outgoing.append(Buffer, 4);
- IntToBuffer(a_RequestID, Buffer);
- m_Outgoing.append(Buffer, 4);
- IntToBuffer(a_PacketType, Buffer);
- m_Outgoing.append(Buffer, 4);
- if (a_PayloadLength > 0)
- {
- m_Outgoing.append(a_Payload, a_PayloadLength);
- }
- m_Outgoing.push_back(0);
- m_Outgoing.push_back(0);
- m_RCONServer.m_SocketThreads.NotifyWrite(this);
-}
-
-
-
-