/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtGui module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QTRANSPORTAUTHDEFS_QWS_H+
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#define QTRANSPORTAUTHDEFS_QWS_H+
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+
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#include <sys/types.h>+
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#include <string.h>+
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+
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#include <QtCore/qglobal.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Gui)+
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+
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#define QSXE_KEY_LEN 16+
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#define QSXE_MAGIC_BYTES 4+
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+
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// Number of bytes of each message to authenticate.  Just need to ensure+
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// that the command at the beginning hasn't been tampered with.  This value+
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// does not matter for trusted transports.+
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#define AMOUNT_TO_AUTHENTICATE 200+
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+
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#define AUTH_ID(k) ((unsigned char)(k[QSXE_KEY_LEN]))+
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#define AUTH_KEY(k) ((unsigned char *)(k))+
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+
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// must be a largish -ve number under any endianess when cast as an int+
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const unsigned char magic[QSXE_MAGIC_BYTES] = { 0xBA, 0xD4, 0xD4, 0xBA };+
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const int magicInt = 0xBAD4D4BA;+
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+
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#define QSXE_KEYFILE "keyfile"+
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+
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/*+
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  Header in above format, less the magic bytes.+
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  Useful for reading off the socket+
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*/+
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struct AuthHeader+
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{+
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    unsigned char len;+
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    unsigned char pad;+
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    unsigned char digest[QSXE_KEY_LEN];+
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    unsigned char id;+
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    unsigned char seq;+
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};+
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+
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/*+
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  Header in a form suitable for authentication routines+
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*/+
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struct AuthMessage+
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{+
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    AuthMessage()+
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    {+
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        ::memset( authData, 0, sizeof(authData) );+
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        ::memcpy( pad_magic, magic, QSXE_MAGIC_BYTES );+
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    }+
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    unsigned char pad_magic[QSXE_MAGIC_BYTES];+
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    union {+
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        AuthHeader hdr;+
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        char authData[sizeof(AuthHeader)];+
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    };+
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    char payLoad[AMOUNT_TO_AUTHENTICATE];+
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};+
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+
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/**+
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  Auth data as stored in _key+
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*/+
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struct AuthCookie+
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{+
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    unsigned char key[QSXE_KEY_LEN];+
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    unsigned char pad;+
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    unsigned char progId;+
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};+
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+
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/*+
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  Auth data as written to the key file - SUPERSEDED by usr_key_entry+
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+
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  This is still used internally for some functions, ie the socket+
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  related calls.+
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*/+
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struct AuthRecord+
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{+
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    union {+
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        AuthCookie auth;+
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        char data[sizeof(struct AuthCookie)];+
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    };+
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    time_t change_time;+
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};+
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+
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/*!+
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  \class usr_key_entry+
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  This comes from the SXE kernel patch file include/linux/lidsif.h+
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+
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  This is the (new) data record for the key file (version 2).+
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+
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  The key file is (now) either /proc/lids/keys (and the per-process+
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  keys in /proc/<pid>/lids_key) OR for desktop/development ONLY (not+
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  for production) it is $QPEDIR/etc/keyfile+
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+
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  The key file maps keys to files.+
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+
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  File are identified by inode and device numbers, not paths.+
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+
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  (See the "installs" file for path to inode/device mapping)+
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*/+
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struct usr_key_entry+
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{+
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    char key[QSXE_KEY_LEN];+
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    ino_t ino;+
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    dev_t dev;+
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};+
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+
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+
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/*!+
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  \class IdBlock+
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  \brief Data record for the manifest file.+
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  The manifest file maps program id's to files+
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*/+
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struct IdBlock+
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{+
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    quint64 inode;+
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    quint64 device;+
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    unsigned char pad;+
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    unsigned char progId;+
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    unsigned short installId;+
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    unsigned int keyOffset;+
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    qint64 install_time;+
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};+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // QTRANSPORTAUTHDEFS_QWS_H+
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+
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