kntlm.h

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/*
   This file is part of the KDE libraries.
   Copyright (c) 2004 Szombathelyi György <gyurco@freemail.hu>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
 */

#ifndef KNTLM_H
#define KNTLM_H

#include <QtCore/QString>
#include <QtCore/QByteArray>

#include "kntlm_export.h"

class KNTLM_EXPORT KNTLM
{
public:

    enum Flags {
        Negotiate_Unicode         = 0x00000001,
        Negotiate_OEM             = 0x00000002,
        Request_Target            = 0x00000004,
        Negotiate_Sign            = 0x00000010,
        Negotiate_Seal            = 0x00000020,
        Negotiate_Datagram_Style  = 0x00000040,
        Negotiate_LM_Key          = 0x00000080,
        Negotiate_Netware         = 0x00000100,
        Negotiate_NTLM            = 0x00000200,
        Negotiate_Domain_Supplied = 0x00001000,
        Negotiate_WS_Supplied     = 0x00002000,
        Negotiate_Local_Call      = 0x00004000,
        Negotiate_Always_Sign     = 0x00008000,
        Target_Type_Domain        = 0x00010000,
        Target_Type_Server        = 0x00020000,
        Target_Type_Share         = 0x00040000,
        Negotiate_NTLM2_Key       = 0x00080000,
        Request_Init_Response     = 0x00100000,
        Request_Accept_Response   = 0x00200000,
        Request_NonNT_Key         = 0x00400000,
        Negotiate_Target_Info     = 0x00800000,
        Negotiate_128             = 0x20000000,
        Negotiate_Key_Exchange    = 0x40000000,
        Negotiate_56              = 0x80000000
    };

    enum AuthFlag {
        Force_V1 = 0x1,
        Force_V2 = 0x2,
        Add_LM = 0x4
    };

    Q_DECLARE_FLAGS( AuthFlags, AuthFlag )

    typedef struct {
        quint16 len;
        quint16 maxlen;
        quint32 offset;
    } SecBuf;

    typedef struct {
        char signature[8]; /* "NTLMSSP\0" */
        quint32 msgType; /* 1 */
        quint32 flags;
        SecBuf domain;
        SecBuf workstation;
    } Negotiate;

    typedef struct {
        char signature[8];
        quint32 msgType; /* 2 */
        SecBuf targetName;
        quint32 flags;
        quint8 challengeData[8];
        quint32 context[2];
        SecBuf targetInfo;
    } Challenge;

    typedef struct {
        char signature[8];
        quint32 msgType; /* 3 */
        SecBuf lmResponse;
        SecBuf ntResponse;
        SecBuf domain;
        SecBuf user;
        SecBuf workstation;
        SecBuf sessionKey;
        quint32 flags;
    } Auth;

    typedef struct {
        quint32 signature;
        quint32 reserved;
        quint64 timestamp;
        quint8  challenge[8];
        quint8  unknown[4];
        //Target info block - variable length
    } Blob;

    static bool getNegotiate( QByteArray &negotiate, const QString &domain = QString(),
                              const QString &workstation = QString(),
                              quint32 flags = Negotiate_Unicode | Request_Target | Negotiate_NTLM );
    static bool getAuth( QByteArray &auth, const QByteArray &challenge, const QString &user,
                         const QString &password, const QString &domain = QString(),
                         const QString &workstation = QString(), AuthFlags authflags = Add_LM );

    static QByteArray getLMResponse( const QString &password, const unsigned char *challenge );

    static QByteArray lmHash( const QString &password );

    static QByteArray lmResponse( const QByteArray &hash, const unsigned char *challenge );

    static QByteArray getNTLMResponse( const QString &password, const unsigned char *challenge );

    static QByteArray ntlmHash( const QString &password );

    static QByteArray getNTLMv2Response( const QString &target, const QString &user,
                                         const QString &password, const QByteArray &targetInformation,
                                         const unsigned char *challenge );

    static QByteArray getLMv2Response( const QString &target, const QString &user,
                                       const QString &password, const unsigned char *challenge );

    static QByteArray ntlmv2Hash( const QString &target, const QString &user, const QString &password );

    static QByteArray lmv2Response( const QByteArray &hash,
                                    const QByteArray &clientData, const unsigned char *challenge );
};

Q_DECLARE_OPERATORS_FOR_FLAGS( KNTLM::AuthFlags )

#endif /* KNTLM_H */