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/*
gwclientstream.h - Kopete Groupwise Protocol
Copyright (c) 2004 SUSE Linux AG http://www.suse.com
Based on Iris, Copyright (C) 2003 Justin Karneges <justin@affinix.com>
Kopete (c) 2002-2004 by the Kopete developers <kopete-devel@kde.org>
*************************************************************************
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
*************************************************************************
*/
#ifndef GW_CLIENTSTREAM_H
#define GW_CLIENTSTREAM_H
#include <QHostAddress>
#include <QtCrypto>
#include "gwfield.h"
#include "libgroupwise_export.h"
#include "stream.h"
// forward defines
class Connector;
class Request;
class TLSHandler;
struct NovellDN
{
QString dn;
QString server;
};
class LIBGROUPWISE_EXPORT ClientStream : public Stream
{
Q_OBJECT
public:
enum Error {
ErrConnection = ErrCustom, // Connection error, ask Connector-subclass what's up
ErrNeg, // Negotiation error, see condition
ErrTLS, // TLS error, see condition
ErrAuth, // Auth error, see condition
ErrSecurityLayer, // broken SASL security layer
ErrBind // Resource binding error
};
enum Warning {
/*# WarnOldVersion, // server uses older XMPP/Jabber "0.9" protocol // can be customized for novell versions*/
WarnNoTLS // there is no chance for TLS at this point
};
enum NegCond {
HostGone, // host no longer hosted
HostUnknown, // unknown host
RemoteConnectionFailed, // unable to connect to a required remote resource
SeeOtherHost, // a 'redirect', see errorText() for other host
UnsupportedVersion // unsupported XMPP version
};
enum TLSCond {
TLSStart, // server rejected STARTTLS
TLSFail // TLS failed, ask TLSHandler-subclass what's up
};
enum SecurityLayer {
LayerTLS,
LayerSASL
};
enum AuthCond {
GenericAuthError, // all-purpose "can't login" error
NoMech, // No appropriate auth mech available
BadProto, // Bad SASL auth protocol
BadServ, // Server failed mutual auth
EncryptionRequired, // can't use mech without TLS
/*# InvalidAuthzid, // bad input JID // need to change this to novell DN*/
InvalidMech, // bad mechanism
InvalidRealm, // bad realm
MechTooWeak, // can't use mech with this authzid
NotAuthorized, // bad user, bad password, bad creditials
TemporaryAuthFailure // please try again later!
};
enum BindCond {
BindNotAllowed, // not allowed to bind a resource
BindConflict // resource in-use
};
explicit ClientStream(Connector *conn, TLSHandler *tlsHandler=0, QObject *parent=0);
~ClientStream();
void connectToServer(const NovellDN &id, bool auth=true);
void accept(); // server
bool isActive() const;
bool isAuthenticated() const;
// login params
void setUsername(const QString &s);
void setPassword(const QString &s);
void setRealm(const QString &s);
void continueAfterParams();
// security options (old protocol only uses the first !)
void setAllowPlain(bool);
void setRequireMutualAuth(bool);
void setLocalAddr(const QHostAddress &addr, quint16 port);
void close();
/**
* Are there any messages waiting to be read
*/
bool transfersAvailable() const;
/**
* Read a message received from the server
*/
Transfer * read();
/**
* Send a message to the server
*/
void write( Request * request );
int errorCondition() const;
QString errorText() const;
// # QDomElement errorAppSpec() const; // redondo
// extrahttp://bugs.kde.org/show_bug.cgi?id=85158
/*# void writeDirect(const QString &s); // must be for debug testing*/
void setNoopTime(int mills);
signals:
void connected();
void securityLayerActivated(int);
//void needAuthParams(bool user, bool pass, bool realm);
void authenticated(); // this signal is ordinarily emitted in processNext
void warning(int);
// # void incomingXml(const QString &s); // signals emitted in processNext but don't seem to go anywhere...
// # void outgoingXml(const QString &s); //
// void readyRead(); //signals that there is a transfer ready to be read - defined in stream
public slots:
void continueAfterWarning();
private slots:
void cr_connected();
void cr_error();
/**
* collects wire ready outgoing data from the core protocol and sends
*/
void cp_outgoingData( const QByteArray& );
/**
* collects parsed incoming data as a transfer from the core protocol and queues
*/
void cp_incomingData();
void bs_connectionClosed();
void bs_delayedCloseFinished();
void bs_error(int); // server only
void ss_readyRead();
void ss_bytesWritten(int);
void ss_tlsHandshaken();
void ss_tlsClosed();
void ss_error(int);
void doNoop();
void doReadyRead();
private:
class Private;
Private * const d;
void reset(bool all=false);
void processNext();
bool handleNeed();
void handleError();
void srvProcessNext();
/**
* convert internal method representation to wire
*/
static char* encode_method(quint8 method);
};
#endif
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