mirror of
https://github.com/clementine-player/Clementine
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200 lines
7.2 KiB
C++
200 lines
7.2 KiB
C++
/*
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* Copyright (c) 2007-2009 by Jakob Schroeter <js@camaya.net>
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* This file is part of the gloox library. http://camaya.net/gloox
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*
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* This software is distributed under a license. The full license
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* agreement can be found in the file LICENSE in this distribution.
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* This software may not be copied, modified, sold or distributed
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* other than expressed in the named license agreement.
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*
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* This software is distributed without any warranty.
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*/
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#ifndef CONNECTIONTLS_H__
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#define CONNECTIONTLS_H__
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#include "gloox.h"
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#include "logsink.h"
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#include "connectionbase.h"
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#include "tlsdefault.h"
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#include "connectiondatahandler.h"
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#include <string>
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namespace gloox
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{
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/**
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* @brief This is an implementation of a TLS/SSL connection.
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*
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* You should not need to use this function directly. However,
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* you can use it to connect to the legacy Jabber SSL port,
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* 5223.
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*
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* Usage:
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* @code
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* Client *c = new Client( ... );
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* c->setConnectionImpl( new ConnectionTLS( c,
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* new ConnectionTCP( c->logInstance(), server, 5223 ),
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* c->logInstance()) );
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* @endcode
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*
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* Due to the need for handshaking data to be sent/received before the connection is fully
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* established, be sure not to use the connection until ConnectionDataHandler::handleConnect()
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* of the specified ConnectionDataHandler is called.
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*
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* @author Jakob Schroeter <js@camaya.net>
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* @author Matthew Wild <mwild1@gmail.com>
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* @since 1.0
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*/
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class GLOOX_API ConnectionTLS : public TLSHandler, public ConnectionBase, public ConnectionDataHandler
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{
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public:
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/**
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* Constructs a new ConnectionTLS object.
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* @param cdh The ConnectionDataHandler that will be notified of events from this connection
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* @param conn A transport connection. It should be configured to connect to
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* the server and port you wish to make the encrypted connection to.
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* ConnectionTLS will own the transport connection and delete it in its destructor.
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* @param log The log target. Obtain it from ClientBase::logInstance().
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*/
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ConnectionTLS( ConnectionDataHandler* cdh, ConnectionBase* conn, const LogSink& log );
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/**
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* Constructs a new ConnectionTLS object.
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* @param conn A transport connection. It should be configured to connect to
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* the server and port you wish to make the encrypted connection to.
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* ConnectionTLS will own the transport connection and delete it in its destructor.
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* @param log The log target. Obtain it from ClientBase::logInstance().
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*/
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ConnectionTLS( ConnectionBase* conn, const LogSink& log );
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/**
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* Virtual Destructor.
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*/
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virtual ~ConnectionTLS();
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/**
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* Use this function to set a number of trusted root CA certificates which shall be
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* used to verify a servers certificate.
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* @param cacerts A list of absolute paths to CA root certificate files in PEM format.
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* @note This function is a wrapper for TLSBase::setCACerts().
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*/
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void setCACerts( const StringList& cacerts )
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{
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m_cacerts = cacerts;
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}
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/**
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* This function is used to retrieve certificate and connection info of a encrypted connection.
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* @return Certificate information.
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* @note This funcztion is a wrapper around TLSBase::fetchTLSInfo().
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*/
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const CertInfo& fetchTLSInfo() const { return m_certInfo; }
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/**
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* Use this function to set the user's certificate and private key. The certificate will
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* be presented to the server upon request and can be used for SASL EXTERNAL authentication.
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* The user's certificate file should be a bundle of more than one certificate in PEM format.
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* The first one in the file should be the user's certificate, each cert following that one
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* should have signed the previous one.
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* @note These certificates are not necessarily the same as those used to verify the server's
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* certificate.
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* @param clientKey The absolute path to the user's private key in PEM format.
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* @param clientCerts A path to a certificate bundle in PEM format.
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* @note This function is a wrapper around TLSBase::setClientCert().
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*/
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void setClientCert( const std::string& clientKey, const std::string& clientCerts )
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{
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m_clientKey = clientKey;
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m_clientCerts = clientCerts;
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}
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/**
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* Sets the transport connection.
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* @param connection The transport connection to use.
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*/
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void setConnectionImpl( ConnectionBase* connection );
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/**
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* Registers an TLSHandler derived object. Only the handleHandshakeResult()
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* function will be used after a handshake took place.
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* You can review certificate info there.
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* @param th The TLSHandler to register.
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* @note If no handler is set, ConnectionTLS will accept
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* any certificate and continue with the connection.
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*/
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void registerTLSHandler( TLSHandler* th ) { m_tlsHandler = th; }
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// reimplemented from ConnectionBase
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virtual ConnectionError connect();
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// reimplemented from ConnectionBase
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virtual ConnectionError recv( int timeout = -1 );
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// reimplemented from ConnectionBase
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virtual bool send( const std::string& data );
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// reimplemented from ConnectionBase
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virtual ConnectionError receive();
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// reimplemented from ConnectionBase
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virtual void disconnect();
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// reimplemented from ConnectionBase
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virtual void cleanup();
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// reimplemented from ConnectionBase
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virtual void getStatistics( long int& totalIn, long int& totalOut );
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// reimplemented from ConnectionDataHandler
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virtual void handleReceivedData( const ConnectionBase* connection, const std::string& data );
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// reimplemented from ConnectionDataHandler
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virtual void handleConnect( const ConnectionBase* connection );
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// reimplemented from ConnectionDataHandler
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virtual void handleDisconnect( const ConnectionBase* connection, ConnectionError reason );
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// reimplemented from ConnectionDataHandler
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virtual ConnectionBase* newInstance() const;
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// reimplemented from TLSHandler
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virtual void handleEncryptedData( const TLSBase*, const std::string& data );
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// reimplemented from TLSHandler
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virtual void handleDecryptedData( const TLSBase*, const std::string& data );
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// reimplemented from TLSHandler
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virtual void handleHandshakeResult( const TLSBase* base, bool success, CertInfo& certinfo );
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protected:
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/**
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* Returns a TLS object (client). Reimplement to change the
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* type of the object.
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* @return A TLS object.
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*/
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virtual TLSBase* getTLSBase( TLSHandler* th, const std::string server )
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{
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return new TLSDefault( th, server, TLSDefault::VerifyingClient );
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}
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ConnectionBase* m_connection;
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TLSBase* m_tls;
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TLSHandler* m_tlsHandler;
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CertInfo m_certInfo;
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const LogSink& m_log;
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StringList m_cacerts;
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std::string m_clientCerts;
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std::string m_clientKey;
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private:
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ConnectionTLS& operator=( const ConnectionTLS& );
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};
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}
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#endif // CONNECTIONTLS_H__
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