91 lines
1.8 KiB
C++
91 lines
1.8 KiB
C++
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// cAuthenticator.h
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// Interfaces to the cAuthenticator class representing the thread that authenticates users against the official MC server
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// Authentication prevents "hackers" from joining with an arbitrary username (possibly impersonating the server admins)
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// For more info, see http://wiki.vg/Session#Server_operation
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// In MCS, authentication is implemented as a single thread that receives queued auth requests and dispatches them one by one.
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#pragma once
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#ifndef CAUTHENTICATOR_H_INCLUDED
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#define CAUTHENTICATOR_H_INCLUDED
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#include "OSSupport/IsThread.h"
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// fwd: "cRoot.h"
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class cRoot;
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class cAuthenticator :
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public cIsThread
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{
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typedef cIsThread super;
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public:
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cAuthenticator(void);
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~cAuthenticator();
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/// (Re-)read server and address from INI:
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void ReadINI(void);
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/// Queues a request for authenticating a user. If the auth fails, the user is kicked
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void Authenticate(int a_ClientID, const AString & a_UserName, const AString & a_ServerHash);
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// Stops the authenticator thread
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void Stop(void);
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private:
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class cUser
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{
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public:
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int m_ClientID;
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AString m_Name;
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AString m_ServerID;
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cUser(int a_ClientID, const AString & a_Name, const AString & a_ServerID) :
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m_ClientID(a_ClientID),
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m_Name(a_Name),
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m_ServerID(a_ServerID)
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{
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}
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} ;
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typedef std::deque<cUser> cUserList;
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cCriticalSection m_CS;
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cUserList m_Queue;
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cEvent m_QueueNonempty;
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AString m_Server;
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AString m_Address;
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bool m_ShouldAuthenticate;
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// cIsThread override:
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virtual void Execute(void) override;
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// Returns true if the user authenticated okay, false on error; iLevel is the recursion deptht (bails out if too deep)
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bool AuthFromAddress(const AString & a_Server, const AString & a_Address, const AString & a_UserName, int a_Level = 1);
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};
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#endif // CAUTHENTICATOR_H_INCLUDED
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