Added Yggdrasil Authentication System

Code by Howaner.  Fixes/Changes by me.

src/Authenticator.cpp

@@ -1,267 +0,0 @@
-
-#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
-
-#include "Authenticator.h"
-#include "OSSupport/BlockingTCPLink.h"
-#include "Root.h"
-#include "Server.h"
-
-#include "inifile/iniFile.h"
-
-#include <sstream>
-
-
-
-
-
-#define DEFAULT_AUTH_SERVER "session.minecraft.net"
-#define DEFAULT_AUTH_ADDRESS "/game/checkserver.jsp?user=%USERNAME%&serverId=%SERVERID%"
-#define MAX_REDIRECTS 10
-
-
-
-
-
-cAuthenticator::cAuthenticator(void) :
-	super("cAuthenticator"),
-	m_Server(DEFAULT_AUTH_SERVER),
-	m_Address(DEFAULT_AUTH_ADDRESS),
-	m_ShouldAuthenticate(true)
-{
-}
-
-
-
-
-
-cAuthenticator::~cAuthenticator()
-{
-	Stop();
-}
-
-
-
-
-
-void cAuthenticator::ReadINI(cIniFile & IniFile)
-{
-	m_Server  = IniFile.GetValueSet("Authentication", "Server", DEFAULT_AUTH_SERVER);
-	m_Address = IniFile.GetValueSet("Authentication", "Address", DEFAULT_AUTH_ADDRESS);
-	m_ShouldAuthenticate = IniFile.GetValueSetB("Authentication", "Authenticate", true);
-}
-
-
-
-
-
-void cAuthenticator::Authenticate(int a_ClientID, const AString & a_UserName, const AString & a_ServerHash)
-{
-	if (!m_ShouldAuthenticate)
-	{
-		cRoot::Get()->AuthenticateUser(a_ClientID);
-		return;
-	}
-
-	cCSLock Lock(m_CS);
-	m_Queue.push_back(cUser(a_ClientID, a_UserName, a_ServerHash));
-	m_QueueNonempty.Set();
-}
-
-
-
-
-
-void cAuthenticator::Start(cIniFile & IniFile)
-{
-	ReadINI(IniFile);
-	m_ShouldTerminate = false;
-	super::Start();
-}
-
-
-
-
-
-void cAuthenticator::Stop(void)
-{
-	m_ShouldTerminate = true;
-	m_QueueNonempty.Set();
-	Wait();
-}
-
-
-
-
-
-void cAuthenticator::Execute(void)
-{
-	for (;;)
-	{
-		cCSLock Lock(m_CS);
-		while (!m_ShouldTerminate && (m_Queue.size() == 0))
-		{
-			cCSUnlock Unlock(Lock);
-			m_QueueNonempty.Wait();
-		}
-		if (m_ShouldTerminate)
-		{
-			return;
-		}
-		ASSERT(!m_Queue.empty());
-		
-		int ClientID = m_Queue.front().m_ClientID;
-		AString UserName = m_Queue.front().m_Name;
-		AString ActualAddress = m_Address;
-		ReplaceString(ActualAddress, "%USERNAME%", UserName);
-		ReplaceString(ActualAddress, "%SERVERID%", m_Queue.front().m_ServerID);
-		m_Queue.pop_front();
-		Lock.Unlock();
-
-		if (!AuthFromAddress(m_Server, ActualAddress, UserName))
-		{
-			cRoot::Get()->KickUser(ClientID, "Failed to authenticate account!");
-		}
-		else
-		{
-			cRoot::Get()->AuthenticateUser(ClientID);
-		}
-	}  // for (-ever)
-}
-
-
-
-
-
-bool cAuthenticator::AuthFromAddress(const AString & a_Server, const AString & a_Address, const AString & a_UserName, int a_Level /* = 1 */)
-{
-	// Returns true if the user authenticated okay, false on error; iLevel is the recursion deptht (bails out if too deep)
-
-	cBlockingTCPLink Link;
-	if (!Link.Connect(a_Server.c_str(), 80))
-	{
-		LOGWARNING("%s: cannot connect to auth server \"%s\", kicking user \"%s\"",
-			__FUNCTION__, a_Server.c_str(), a_UserName.c_str()
-		);
-		return false;
-	}
-	
-	Link.SendMessage( AString( "GET " + a_Address + " HTTP/1.1\r\n" ).c_str());
-	Link.SendMessage( AString( "User-Agent: MCServer\r\n" ).c_str());
-	Link.SendMessage( AString( "Host: " + a_Server + "\r\n" ).c_str());
-	//Link.SendMessage( AString( "Host: session.minecraft.net\r\n" ).c_str());
-	Link.SendMessage( AString( "Accept: */*\r\n" ).c_str());
-	Link.SendMessage( AString( "Connection: close\r\n" ).c_str());	//Close so we don´t have to mess with the Content-Length :)
-	Link.SendMessage( AString( "\r\n" ).c_str());
-	AString DataRecvd;
-	Link.ReceiveData(DataRecvd);
-	Link.CloseSocket();
-
-	std::stringstream ss(DataRecvd);
-
-	// Parse the data received:
-	std::string temp;
-	ss >> temp;
-	bool bRedirect = false;
-	bool bOK = false;
-	if ((temp.compare("HTTP/1.1") == 0) || (temp.compare("HTTP/1.0") == 0))
-	{
-		int code;
-		ss >> code;
-		if (code == 302)
-		{
-			// redirect blabla
-			LOGD("%s: Need to redirect, current level %d!", __FUNCTION__, a_Level);
-			if (a_Level > MAX_REDIRECTS)
-			{
-				LOGERROR("cAuthenticator: received too many levels of redirection from auth server \"%s\" for user \"%s\", bailing out and kicking the user", a_Server.c_str(), a_UserName.c_str());
-				return false;
-			}
-			bRedirect = true;
-		}
-		else if (code == 200)
-		{
-			LOGD("cAuthenticator: Received status 200 OK! :D");
-			bOK = true;
-		}
-	}
-	else
-	{
-		LOGERROR("cAuthenticator: cannot parse auth reply from server \"%s\" for user \"%s\", kicking the user.", a_Server.c_str(), a_UserName.c_str());
-		return false;
-	}
-
-	if( bRedirect )
-	{
-		AString Location;
-		// Search for "Location:"
-		bool bFoundLocation = false;
-		while( !bFoundLocation && ss.good() )
-		{
-			char c = 0;
-			while( c != '\n' )
-			{
-				ss.get( c );
-			}
-			AString Name;
-			ss >> Name;
-			if (Name.compare("Location:") == 0)
-			{
-				bFoundLocation = true;
-				ss >> Location;
-			}
-		}
-		if (!bFoundLocation)
-		{
-			LOGERROR("cAuthenticator: received invalid redirection from auth server \"%s\" for user \"%s\", kicking user.", a_Server.c_str(), a_UserName.c_str());
-			return false;
-		}
-
-		Location = Location.substr(strlen("http://"), std::string::npos); // Strip http://
-		std::string Server = Location.substr( 0, Location.find( "/" ) ); // Only leave server address
-		Location = Location.substr( Server.length(), std::string::npos);
-		return AuthFromAddress(Server, Location, a_UserName, a_Level + 1);
-	}
-
-	if (!bOK)
-	{
-		LOGERROR("cAuthenticator: received an error from auth server \"%s\" for user \"%s\", kicking user.", a_Server.c_str(), a_UserName.c_str());
-		return false;
-	}
-
-	// Header says OK, so receive the rest.
-	// Go past header, double \n means end of headers
-	char c = 0;
-	while (ss.good())
-	{
-		while (c != '\n')
-		{
-			ss.get(c);
-		}
-		ss.get(c);
-		if( c == '\n' || c == '\r' || ss.peek() == '\r' || ss.peek() == '\n' )
-			break;
-	}
-	if (!ss.good())
-	{
-		LOGERROR("cAuthenticator: error while parsing response body from auth server \"%s\" for user \"%s\", kicking user.", a_Server.c_str(), a_UserName.c_str());
-		return false;
-	}
-
-	std::string Result;
-	ss >> Result;
-	LOGD("cAuthenticator: Authentication result was %s", Result.c_str());
-
-	if (Result.compare("YES") == 0)	//Works well
-	{
-		LOGINFO("Authentication result \"YES\", player authentication success!");
-		return true;
-	}
-
-
-	LOGINFO("Authentication result was \"%s\", player authentication failure!", Result.c_str());
-	return false;
-}
-
-
-
-

src/ClientHandle.cpp

@@ -24,7 +24,7 @@
 
 #include "Root.h"
 
-#include "Authenticator.h"
+#include "Protocol/Authenticator.h"
 #include "MersenneTwister.h"
 
 #include "Protocol/ProtocolRecognizer.h"
@@ -188,7 +188,7 @@ void cClientHandle::Kick(const AString & a_Reason)
 
 
 
-void cClientHandle::Authenticate(void)
+void cClientHandle::Authenticate(const AString & a_Name, const AString & a_UUID)
 {
 	if (m_State != csAuthenticating)
 	{
@@ -197,6 +197,9 @@ void cClientHandle::Authenticate(void)
 	
 	ASSERT( m_Player == NULL );
 
+	m_Username = a_Name;
+	m_UUID = a_UUID;
+
 	// Spawn player (only serversided, so data is loaded)
 	m_Player = new cPlayer(this, GetUsername());
 

src/ClientHandle.h

@@ -62,8 +62,11 @@ public:
 	
 	cPlayer* GetPlayer() { return m_Player; }	// tolua_export
 
+	const AString & GetUUID(void) const { return m_UUID; } // tolua_export
+	void setUUID(const AString & a_UUID) { m_UUID = a_UUID; }
+
 	void Kick(const AString & a_Reason);		// tolua_export
-	void Authenticate(void);  // Called by cAuthenticator when the user passes authentication
+	void Authenticate(const AString & a_Name, const AString & a_UUID);  // Called by cAuthenticator when the user passes authentication
 
 	void StreamChunks(void);
 	
@@ -326,6 +329,7 @@ private:
 	
 	static int s_ClientCount;
 	int m_UniqueID;
+	AString m_UUID;
 	
 	/** Set to true when the chunk where the player is is sent to the client. Used for spawning the player */
 	bool m_HasSentPlayerChunk;

src/Protocol/Authenticator.cpp

@@ -0,0 +1,325 @@
+
+#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "Authenticator.h"
+#include "OSSupport/BlockingTCPLink.h"
+#include "Root.h"
+#include "Server.h"
+
+#include "inifile/iniFile.h"
+#include "json/json.h"
+
+#include "polarssl/config.h"
+#include "polarssl/net.h"
+#include "polarssl/ssl.h"
+#include "polarssl/entropy.h"
+#include "polarssl/ctr_drbg.h"
+#include "polarssl/error.h"
+#include "polarssl/certs.h"
+
+#include <sstream>
+#include <iomanip>
+
+
+
+
+
+#define DEFAULT_AUTH_SERVER "sessionserver.mojang.com"
+#define DEFAULT_AUTH_ADDRESS "/session/minecraft/hasJoined?username=%USERNAME%&serverId=%SERVERID%"
+#define MAX_REDIRECTS 10
+
+
+
+
+
+cAuthenticator::cAuthenticator(void) :
+super("cAuthenticator"),
+m_Server(DEFAULT_AUTH_SERVER),
+m_Address(DEFAULT_AUTH_ADDRESS),
+m_ShouldAuthenticate(true)
+{
+}
+
+
+
+
+
+cAuthenticator::~cAuthenticator()
+{
+	Stop();
+}
+
+
+
+
+
+void cAuthenticator::ReadINI(cIniFile & IniFile)
+{
+	m_Server = IniFile.GetValueSet("Authentication", "Server", DEFAULT_AUTH_SERVER);
+	m_Address = IniFile.GetValueSet("Authentication", "Address", DEFAULT_AUTH_ADDRESS);
+	m_ShouldAuthenticate = IniFile.GetValueSetB("Authentication", "Authenticate", true);
+}
+
+
+
+
+
+void cAuthenticator::Authenticate(int a_ClientID, const AString & a_UserName, const AString & a_ServerHash)
+{
+	if (!m_ShouldAuthenticate)
+	{
+		cRoot::Get()->AuthenticateUser(a_ClientID, a_UserName, Printf("%d", a_ClientID));
+		return;
+	}
+
+	cCSLock LOCK(m_CS);
+	m_Queue.push_back(cUser(a_ClientID, a_UserName, a_ServerHash));
+	m_QueueNonempty.Set();
+}
+
+
+
+
+
+void cAuthenticator::Start(cIniFile & IniFile)
+{
+	ReadINI(IniFile);
+	m_ShouldTerminate = false;
+	super::Start();
+}
+
+
+
+
+
+void cAuthenticator::Stop(void)
+{
+	m_ShouldTerminate = true;
+	m_QueueNonempty.Set();
+	Wait();
+}
+
+
+
+
+
+void cAuthenticator::Execute(void)
+{
+	for (;;)
+	{
+		cCSLock Lock(m_CS);
+		while (!m_ShouldTerminate && (m_Queue.size() == 0))
+		{
+			cCSUnlock Unlock(Lock);
+			m_QueueNonempty.Wait();
+		}
+		if (m_ShouldTerminate)
+		{
+			return;
+		}
+		ASSERT(!m_Queue.empty());
+
+		int ClientID = m_Queue.front().m_ClientID;
+		AString UserName = m_Queue.front().m_Name;
+		AString ServerID = m_Queue.front().m_ServerID;
+		m_Queue.pop_front();
+		Lock.Unlock();
+
+		AString NewUserName = UserName;
+		AString UUID;
+		if (AuthWithYggdrasil(NewUserName, ServerID, UUID))
+		{
+			LOGINFO("User %s authenticated with UUID '%s'", NewUserName.c_str(), UUID.c_str());
+			cRoot::Get()->AuthenticateUser(ClientID, NewUserName, UUID);
+		}
+		else
+		{
+			cRoot::Get()->KickUser(ClientID, "Failed to authenticate account!");
+		}
+	}  // for (-ever)
+}
+
+
+
+
+
+bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_ServerId, AString & a_UUID)
+{
+	AString REQUEST;
+	int ret, len, server_fd = -1;
+	unsigned char buf[1024];
+	const char *pers = "cAuthenticator";
+
+	entropy_context entropy;
+	ctr_drbg_context ctr_drbg;
+	ssl_context ssl;
+	x509_crt cacert;
+
+	/* Initialize the RNG and the session data */
+	memset(&ssl, 0, sizeof(ssl_context));
+	x509_crt_init(&cacert);
+
+	entropy_init(&entropy);
+	if ((ret = ctr_drbg_init(&ctr_drbg, entropy_func, &entropy, (const unsigned char *)pers, strlen(pers))) != 0)
+	{
+		LOGERROR("cAuthenticator: ctr_drbg_init returned %d", ret);
+		return false;
+	}
+
+	/* Initialize certificates */
+
+#if defined(POLARSSL_CERTS_C)
+	ret = x509_crt_parse(&cacert, (const unsigned char *)test_ca_list, strlen(test_ca_list));
+#else
+	ret = 1;
+	LOGWARNING("cAuthenticator: POLARSSL_CERTS_C is not defined.");
+#endif
+
+	if (ret < 0)
+	{
+		LOGERROR("cAuthenticator: x509_crt_parse returned -0x%x", -ret);
+		return false;
+	}
+
+	/* Connect */
+	if ((ret = net_connect(&server_fd, m_Server.c_str(), 443)) != 0)
+	{
+		LOGERROR("cAuthenticator: Can't connect to %s: %d", m_Server.c_str(), ret);
+		return false;
+	}
+
+	/* Setup */
+	if ((ret = ssl_init(&ssl)) != 0)
+	{
+		LOGERROR("cAuthenticator: ssl_init returned %d", ret);
+		return false;
+	}
+	ssl_set_endpoint(&ssl, SSL_IS_CLIENT);
+	ssl_set_authmode(&ssl, SSL_VERIFY_OPTIONAL);
+	ssl_set_ca_chain(&ssl, &cacert, NULL, "PolarSSL Server 1");
+	ssl_set_rng(&ssl, ctr_drbg_random, &ctr_drbg);
+	ssl_set_bio(&ssl, net_recv, &server_fd, net_send, &server_fd);
+
+	/* Handshake */
+	while ((ret = ssl_handshake(&ssl)) != 0)
+	{
+		if (ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE)
+		{
+			LOGERROR("cAuthenticator: ssl_handshake returned -0x%x", -ret);
+			return false;
+		}
+	}
+
+	/* Write the GET request */
+	AString ActualAddress = m_Address;
+	ReplaceString(ActualAddress, "%USERNAME%", a_UserName);
+	ReplaceString(ActualAddress, "%SERVERID%", a_ServerId);
+
+	REQUEST += "GET " + ActualAddress + " HTTP/1.1\r\n";
+	REQUEST += "Host: " + m_Server + "\r\n";
+	REQUEST += "User-Agent: MCServer\r\n";
+	REQUEST += "Connection: close\r\n";
+	REQUEST += "\r\n";
+
+	len = sprintf_s((char *)buf, sizeof(buf), REQUEST.c_str());
+
+	while ((ret = ssl_write(&ssl, buf, len)) <= 0)
+	{
+		if (ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE)
+		{
+			LOGERROR("cAuthenticator: ssl_write returned %d", ret);
+			return false;
+		}
+	}
+
+	/* Read the HTTP response */
+	std::string Builder;
+	for (;;)
+	{
+		len = sizeof(buf)-1;
+		memset(buf, 0, sizeof(buf));
+		ret = ssl_read(&ssl, buf, len);
+		if (ret > 0)
+		{
+			buf[ret] = '\0';
+		}
+
+		if (ret == POLARSSL_ERR_NET_WANT_READ || ret == POLARSSL_ERR_NET_WANT_WRITE)
+			continue;
+		if (ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY)
+			break;
+		if (ret < 0)
+		{
+			LOGERROR("cAuthenticator: ssl_read returned %d", ret);
+			break;
+		}
+		if (ret == 0)
+		{
+			LOGERROR("cAuthenticator: EOF");
+			break;
+		}
+
+		std::string str;
+		str.append(reinterpret_cast<const char*>(buf));
+		Builder += str;
+	} 
+
+	ssl_close_notify(&ssl);
+	x509_crt_free(&cacert);
+	net_close(server_fd);
+	ssl_free(&ssl);
+	entropy_free(&entropy);
+	memset(&ssl, 0, sizeof(ssl));
+
+	std::string prefix("HTTP/1.1 200 OK");
+	if (Builder.compare(0, prefix.size(), prefix))
+		return false;
+
+	std::stringstream ResponseBuilder;
+	bool NewLine = false;
+	bool IsNewLine = false;
+	for (std::string::const_iterator i = Builder.begin(); i <= Builder.end(); ++i)
+	{
+		if (NewLine)
+		{
+			ResponseBuilder << *i;
+		}
+		else if (!NewLine && *i == '\n')
+		{
+			if (IsNewLine)
+			{
+				NewLine = true;
+			}
+			else
+			{
+				IsNewLine = true;
+			}
+		}
+		else if (*i != '\r')
+		{
+			IsNewLine = false;
+		}
+	}
+
+	AString RESPONSE = ResponseBuilder.str();
+
+	if (RESPONSE.empty())
+		return false;
+
+	Json::Value root;
+	Json::Reader reader;
+	if (!reader.parse(RESPONSE, root, false))
+	{
+		LOGWARNING("cAuthenticator: Cannot parse Received Data to json!");
+		return false;
+	}
+
+	a_UserName = root.get("name", "Unknown").asString();
+	a_UUID = root.get("id", "").asString();
+	return true;
+}
+
+
+
+
+

src/Protocol/Authenticator.h

@@ -14,7 +14,7 @@
 #ifndef CAUTHENTICATOR_H_INCLUDED
 #define CAUTHENTICATOR_H_INCLUDED
 
-#include "OSSupport/IsThread.h"
+#include "../OSSupport/IsThread.h"
 
 
 
@@ -31,23 +31,23 @@ class cAuthenticator :
 	public cIsThread
 {
 	typedef cIsThread super;
-	
+
 public:
 	cAuthenticator(void);
 	~cAuthenticator();
 
-	/// (Re-)read server and address from INI:
+	/** (Re-)read server and address from INI: */
 	void ReadINI(cIniFile & IniFile);
 
-	/// Queues a request for authenticating a user. If the auth fails, the user is kicked
+	/** Queues a request for authenticating a user. If the auth fails, the user will be kicked */
 	void Authenticate(int a_ClientID, const AString & a_UserName, const AString & a_ServerHash);
 
-	/// Starts the authenticator thread. The thread may be started and stopped repeatedly
+	/** Starts the authenticator thread. The thread may be started and stopped repeatedly */
 	void Start(cIniFile & IniFile);
-	
+
-	/// Stops the authenticator thread. The thread may be started and stopped repeatedly
+	/** Stops the authenticator thread. The thread may be started and stopped repeatedly */
 	void Stop(void);
-	
+
 private:
 
 	class cUser
@@ -56,30 +56,30 @@ private:
 		int     m_ClientID;
 		AString m_Name;
 		AString m_ServerID;
-		
+
 		cUser(int a_ClientID, const AString & a_Name, const AString & a_ServerID) :
 			m_ClientID(a_ClientID),
 			m_Name(a_Name),
 			m_ServerID(a_ServerID)
 		{
 		}
-	} ;
+	};
-	
+
 	typedef std::deque<cUser> cUserList;
-	
+
 	cCriticalSection m_CS;
 	cUserList        m_Queue;
 	cEvent           m_QueueNonempty;
-	
+
 	AString m_Server;
 	AString m_Address;
 	bool    m_ShouldAuthenticate;
-	
+
-	// cIsThread override:
+	/** cIsThread override: */
 	virtual void Execute(void) override;
-	
+
-	// Returns true if the user authenticated okay, false on error; iLevel is the recursion deptht (bails out if too deep)
+	/** Returns true if the user authenticated okay, false on error; iLevel is the recursion deptht (bails out if too deep) */
-	bool AuthFromAddress(const AString & a_Server, const AString & a_Address, const AString & a_UserName, int a_Level = 1);
+	bool AuthWithYggdrasil(AString & a_UserName, const AString & a_ServerId, AString & a_UUID);
 };
 
 

src/Root.cpp

@@ -499,9 +499,9 @@ void cRoot::KickUser(int a_ClientID, const AString & a_Reason)
 
 
 
-void cRoot::AuthenticateUser(int a_ClientID)
+void cRoot::AuthenticateUser(int a_ClientID, const AString & a_Name, const AString & a_UUID)
 {
-	m_Server->AuthenticateUser(a_ClientID);
+	m_Server->AuthenticateUser(a_ClientID, a_Name, a_UUID);
 }
 
 

src/Root.h

@@ -1,7 +1,7 @@
 
 #pragma once
 
-#include "Authenticator.h"
+#include "Protocol/Authenticator.h"
 #include "HTTPServer/HTTPServer.h"
 #include "Defines.h"
 
@@ -89,7 +89,7 @@ public:
 	void KickUser(int a_ClientID, const AString & a_Reason);
 	
 	/// Called by cAuthenticator to auth the specified user
-	void AuthenticateUser(int a_ClientID);
+	void AuthenticateUser(int a_ClientID, const AString & a_Name, const AString & a_UUID);
 	
 	/// Executes commands queued in the command queue
 	void TickCommands(void);

src/Server.cpp

@@ -615,14 +615,14 @@ void cServer::KickUser(int a_ClientID, const AString & a_Reason)
 
 
 
-void cServer::AuthenticateUser(int a_ClientID)
+void cServer::AuthenticateUser(int a_ClientID, const AString & a_Name, const AString & a_UUID)
 {
 	cCSLock Lock(m_CSClients);
 	for (ClientList::iterator itr = m_Clients.begin(); itr != m_Clients.end(); ++itr)
 	{
 		if ((*itr)->GetUniqueID() == a_ClientID)
 		{
-			(*itr)->Authenticate();
+			(*itr)->Authenticate(a_Name, a_UUID);
 			return;
 		}
 	}  // for itr - m_Clients[]

src/Server.h

@@ -83,7 +83,7 @@ public:												// tolua_export
 	void Shutdown(void);
 
 	void KickUser(int a_ClientID, const AString & a_Reason);
-	void AuthenticateUser(int a_ClientID);  // Called by cAuthenticator to auth the specified user
+	void AuthenticateUser(int a_ClientID, const AString & a_Name, const AString & a_UUID);  // Called by cAuthenticator to auth the specified user
 
 	const AString & GetServerID(void) const { return m_ServerID; }  // tolua_export