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authorAlexander Harkness <bearbin@gmail.com>2013-07-29 13:13:03 +0200
committerAlexander Harkness <bearbin@gmail.com>2013-07-29 13:13:03 +0200
commit53e22b11857fed62e2313d6d84d90f88ed412ffb (patch)
treec61e56725da7dff0154d566722651e2c39c9d6c6 /source/RCONServer.cpp
parentWebAdmin: Removed the duplicate memory usage querying (diff)
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Diffstat (limited to 'source/RCONServer.cpp')
-rw-r--r--source/RCONServer.cpp664
1 files changed, 332 insertions, 332 deletions
diff --git a/source/RCONServer.cpp b/source/RCONServer.cpp
index cf6ed8b0c..04c06c887 100644
--- a/source/RCONServer.cpp
+++ b/source/RCONServer.cpp
@@ -1,332 +1,332 @@
-
-// 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"),
- m_ListenThread6(*this, cSocket::IPv6, "RCON")
-{
-}
-
-
-
-
-
-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());
- 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);
-}
-
-
-
-
+
+// 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"),
+ m_ListenThread6(*this, cSocket::IPv6, "RCON")
+{
+}
+
+
+
+
+
+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());
+ 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);
+}
+
+
+
+