AOO410/main/xmlsecurity/source/dialogs/certificateviewer.cxx

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmlsecurity.hxx"
#include <xmlsecurity/certificateviewer.hxx>
#include <com/sun/star/security/XCertificate.hpp>

#include <com/sun/star/security/CertificateCharacters.hpp>
#include <com/sun/star/xml/crypto/XSecurityEnvironment.hpp>
#include <com/sun/star/security/CertificateValidity.hpp>

#include <unotools/localedatawrapper.hxx>
#include <unotools/datetime.hxx>

#include "dialogs.hrc"
#include "resourcemanager.hxx"

/* HACK: disable some warnings for MS-C */
#ifdef _MSC_VER
#pragma warning (disable : 4355)	// 4355: this used in initializer-list
#endif

using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
namespace css = ::com::sun::star;


namespace
{
	void ShrinkToFit( FixedImage& _rImage );
	void AdjustPosAndSize( Control& _rCtrl, Point& _rStartIn_EndOut, long _nXOffset = 0 );

	void ShrinkToFit( FixedImage& _rImg )
	{
		_rImg.SetSizePixel( _rImg.GetImage().GetSizePixel() );
	}

	void AdjustPosAndSize( Control& _rCtrl, Point& _rStartIn_EndOut, long _nOffs )
	{
		_rCtrl.SetPosPixel( _rStartIn_EndOut );
		_rStartIn_EndOut.X() += XmlSec::ShrinkToFitWidth( _rCtrl, _nOffs );
	}
}

CertificateViewer::CertificateViewer(
		Window* _pParent,
		const cssu::Reference< dcss::xml::crypto::XSecurityEnvironment >& _rxSecurityEnvironment,
		const cssu::Reference< dcss::security::XCertificate >& _rXCert, sal_Bool bCheckForPrivateKey )
	:TabDialog		( _pParent, XMLSEC_RES( RID_XMLSECDLG_CERTVIEWER ) )
	,maTabCtrl		( this, XMLSEC_RES( 1 ) )
	,maOkBtn		( this, XMLSEC_RES( BTN_OK ) )
	,maHelpBtn		( this, XMLSEC_RES( BTN_HELP ) )
{
	FreeResource();

	mbCheckForPrivateKey = bCheckForPrivateKey;

	mxSecurityEnvironment = _rxSecurityEnvironment;
	mxCert = _rXCert;

	maTabCtrl.SetTabPage( RID_XMLSECTP_GENERAL, new CertificateViewerGeneralTP( &maTabCtrl, this ) );
	maTabCtrl.SetTabPage( RID_XMLSECTP_DETAILS, new CertificateViewerDetailsTP( &maTabCtrl, this ) );
	maTabCtrl.SetTabPage( RID_XMLSECTP_CERTPATH, new CertificateViewerCertPathTP( &maTabCtrl, this ) );
	maTabCtrl.SetCurPageId( RID_XMLSECTP_GENERAL );
}

CertificateViewer::~CertificateViewer()
{
	delete maTabCtrl.GetTabPage( RID_XMLSECTP_CERTPATH );
	delete maTabCtrl.GetTabPage( RID_XMLSECTP_DETAILS );
	delete maTabCtrl.GetTabPage( RID_XMLSECTP_GENERAL );
}

CertificateViewerTP::CertificateViewerTP( Window* _pParent, const ResId& _rResId, CertificateViewer* _pDlg )
	:TabPage		( _pParent, _rResId )
	,mpDlg			( _pDlg )
{
}


CertificateViewerGeneralTP::CertificateViewerGeneralTP( Window* _pParent, CertificateViewer* _pDlg )
	:CertificateViewerTP	( _pParent, XMLSEC_RES( RID_XMLSECTP_GENERAL ), _pDlg )
	,maFrameWin				( this, XMLSEC_RES( WIN_FRAME ) )
	,maCertImg				( this, XMLSEC_RES( IMG_CERT ) )
	,maCertInfoFI			( this, XMLSEC_RES( FI_CERTINFO ) )
	,maSep1FL				( this, XMLSEC_RES( FL_SEP1 ) )
	,maHintNotTrustedFI		( this, XMLSEC_RES( FI_HINTNOTTRUST ) )
	,maSep2FL				( this, XMLSEC_RES( FL_SEP2 ) )
	,maIssuedToLabelFI		( this, XMLSEC_RES( FI_ISSTOLABEL ) )
	,maIssuedToFI			( this, XMLSEC_RES( FI_ISSTO ) )
	,maIssuedByLabelFI		( this, XMLSEC_RES( FI_ISSBYLABEL ) )
	,maIssuedByFI			( this, XMLSEC_RES( FI_ISSBY ) )
    ,maValidDateFI          ( this, XMLSEC_RES( FI_VALIDDATE ) )
	,maKeyImg				( this, XMLSEC_RES( IMG_KEY ) )
	,maHintCorrespPrivKeyFI	( this, XMLSEC_RES( FI_CORRPRIVKEY ) )
{
    if ( GetSettings().GetStyleSettings().GetHighContrastMode() )
        maKeyImg.SetImage( Image( XMLSEC_RES( IMG_KEY_HC ) ) );

    //Verify the certificate
	sal_Int32 certStatus = mpDlg->mxSecurityEnvironment->verifyCertificate(mpDlg->mxCert,
         Sequence<Reference<css::security::XCertificate> >());

	bool bCertValid = certStatus == css::security::CertificateValidity::VALID ?  true : false;

    bool bHC = GetSettings().GetStyleSettings().GetHighContrastMode();
    if ( !bCertValid )
    {
        maCertImg.SetImage(
            Image( XMLSEC_RES( bHC ? IMG_STATE_NOT_VALIDATED_HC : IMG_STATE_NOT_VALIDATED ) ) );
        maHintNotTrustedFI.SetText( String( XMLSEC_RES( STR_CERTIFICATE_NOT_VALIDATED ) ) );
    }
    else if ( bHC )
        maCertImg.SetImage( Image( XMLSEC_RES( IMG_STATE_CERIFICATED_HC ) ) );

    FreeResource();

    Wallpaper aBack( GetSettings().GetStyleSettings().GetWindowColor() );
	maFrameWin.SetBackground( aBack );
	maCertImg.SetBackground( aBack );
	maCertInfoFI.SetBackground( aBack );
	maSep1FL.SetBackground( aBack );
	maHintNotTrustedFI.SetBackground( aBack );
	maSep2FL.SetBackground( aBack );
	maIssuedToLabelFI.SetBackground( aBack );
	maIssuedToFI.SetBackground( aBack );
	maIssuedByLabelFI.SetBackground( aBack );
	maIssuedByFI.SetBackground( aBack );
    maValidDateFI.SetBackground( aBack );
	maKeyImg.SetBackground( aBack );
	maHintCorrespPrivKeyFI.SetBackground( aBack );

	// make some bold
	Font	aFnt( maCertInfoFI.GetFont() );
	aFnt.SetWeight( WEIGHT_BOLD );
	maCertInfoFI.SetFont( aFnt );
	maHintNotTrustedFI.SetFont( aFnt );
	maIssuedToLabelFI.SetFont( aFnt );
	maIssuedByLabelFI.SetFont( aFnt );
    maValidDateFI.SetFont( aFnt );

	// insert data
	cssu::Reference< dcss::security::XCertificate >	xCert = mpDlg->mxCert;

    maIssuedToFI.SetText( XmlSec::GetContentPart( xCert->getSubjectName() ) );
    maIssuedByFI.SetText( XmlSec::GetContentPart( xCert->getIssuerName() ) );

    // dynamic length because of the different languages
    long nWidth1 = maIssuedToLabelFI.GetTextWidth( maIssuedToLabelFI.GetText() );
    long nWidth2 = maIssuedByLabelFI.GetTextWidth( maIssuedByLabelFI.GetText() );
    long nNewWidth = Max( nWidth1, nWidth2 ) + 5;
    Size aNewSize = maIssuedToLabelFI.GetSizePixel();
    aNewSize.Width() = nNewWidth;
    maIssuedToLabelFI.SetSizePixel( aNewSize );
    maIssuedByLabelFI.SetSizePixel( aNewSize );
    long nNewX = maIssuedToLabelFI.GetPosPixel().X() + nNewWidth + 1;
    Point aNewPos = maIssuedToFI.GetPosPixel();
    aNewPos.X() = nNewX;
    maIssuedToFI.SetPosPixel( aNewPos );
    aNewPos = maIssuedByFI.GetPosPixel();
    aNewPos.X() = nNewX;
    maIssuedByFI.SetPosPixel( aNewPos );
    nNewWidth = maValidDateFI.GetSizePixel().Width() - nNewX;
    aNewSize = maIssuedToFI.GetSizePixel();
    aNewSize.Width() = nNewWidth;
    maIssuedToFI.SetSizePixel( aNewSize );
    maIssuedByFI.SetSizePixel( aNewSize );

    DateTime aDateTimeStart;
    DateTime aDateTimeEnd;
    utl::typeConvert( xCert->getNotValidBefore(), aDateTimeStart );
    utl::typeConvert( xCert->getNotValidAfter(), aDateTimeEnd );
    String sText = maValidDateFI.GetText();
    sText.SearchAndReplace( String::CreateFromAscii( "%SDATE%" ),
                            GetSettings().GetUILocaleDataWrapper().getDate( aDateTimeStart.GetDate() ) );
    sText.SearchAndReplace( String::CreateFromAscii( "%EDATE%" ),
                            GetSettings().GetUILocaleDataWrapper().getDate( aDateTimeEnd.GetDate() ) );
    maValidDateFI.SetText( sText );

	// adjust position of fixed text depending on image sizes
	ShrinkToFit( maCertImg );
	ShrinkToFit( maKeyImg );
	XmlSec::AlignAfterImage( maCertImg, maCertInfoFI, 12 );
	XmlSec::AlignAfterImage( maKeyImg, maHintCorrespPrivKeyFI, 12 );

    // Check if we have the private key...
	sal_Bool bHasPrivateKey = sal_False;
	// #i41270# Check only if we have that certificate in our security environment
	if ( _pDlg->mbCheckForPrivateKey )
	{
		long nCertificateCharacters = _pDlg->mxSecurityEnvironment->getCertificateCharacters( xCert );
		bHasPrivateKey = ( nCertificateCharacters & security::CertificateCharacters::HAS_PRIVATE_KEY ) ? sal_True : sal_False;
	}
    if ( !bHasPrivateKey )
    {
	    maKeyImg.Hide();
	    maHintCorrespPrivKeyFI.Hide();
    }
}

void CertificateViewerGeneralTP::ActivatePage()
{

}


struct Details_UserDatat
{
	String			maTxt;
	bool			mbFixedWidthFont;

	inline			Details_UserDatat( const String& _rTxt, bool _bFixedWidthFont );
};

inline Details_UserDatat::Details_UserDatat( const String& _rTxt, bool _bFixedWidthFont )
	:maTxt				( _rTxt )
	,mbFixedWidthFont	( _bFixedWidthFont )
{
}


void CertificateViewerDetailsTP::Clear( void )
{
	maElementML.SetText( String() );
	sal_uLong			i = 0;
	SvLBoxEntry*	pEntry = maElementsLB.GetEntry( i );
	while( pEntry )
	{
		delete ( Details_UserDatat* ) pEntry->GetUserData();
		++i;
		pEntry = maElementsLB.GetEntry( i );
	}

	maElementsLB.Clear();
}

void CertificateViewerDetailsTP::InsertElement( const String& _rField, const String& _rValue,
												const String& _rDetails, bool _bFixedWidthFont )
{
	SvLBoxEntry*	pEntry = maElementsLB.InsertEntry( _rField );
	maElementsLB.SetEntryText( _rValue, pEntry, 1 );
	pEntry->SetUserData( ( void* ) new Details_UserDatat( _rDetails, _bFixedWidthFont ) );
}

CertificateViewerDetailsTP::CertificateViewerDetailsTP( Window* _pParent, CertificateViewer* _pDlg )
	:CertificateViewerTP	( _pParent, XMLSEC_RES( RID_XMLSECTP_DETAILS ), _pDlg  )
	,maElementsLB			( this, XMLSEC_RES( LB_ELEMENTS ) )
	,maElementML			( this, XMLSEC_RES( ML_ELEMENT ) )
	,maStdFont				( maElementML.GetControlFont() )
	,maFixedWidthFont		( OutputDevice::GetDefaultFont( DEFAULTFONT_UI_FIXED, LANGUAGE_DONTKNOW, DEFAULTFONT_FLAGS_ONLYONE, this ) )
{
    WinBits nStyle = maElementsLB.GetStyle();
    nStyle &= ~WB_HSCROLL;
    maElementsLB.SetStyle( nStyle );

	maFixedWidthFont.SetHeight( maStdFont.GetHeight() );

	static long	nTabs[] = { 2, 0, 30*CS_LB_WIDTH/100 };
	maElementsLB.SetTabs( &nTabs[ 0 ] );
	maElementsLB.InsertHeaderEntry( String( XMLSEC_RES( STR_HEADERBAR ) ) );

	// fill list box
	Reference< security::XCertificate > xCert = mpDlg->mxCert;
	sal_uInt16					nLineBreak = 16;
	const char*				pHexSep = " ";
	String					aLBEntry;
	String					aDetails;
    // --> PB 2004-10-11 #i35107# - 0 == "V1", 1 == "V2", ..., n = "V(n+1)"
	aLBEntry = String::CreateFromAscii( "V" );
    aLBEntry += String::CreateFromInt32( xCert->getVersion() + 1 );
    // <--
	InsertElement( String( XMLSEC_RES( STR_VERSION ) ), aLBEntry, aLBEntry );
	Sequence< sal_Int8 >	aSeq = xCert->getSerialNumber();
	aLBEntry = XmlSec::GetHexString( aSeq, pHexSep );
	aDetails = XmlSec::GetHexString( aSeq, pHexSep, nLineBreak );
	InsertElement( String( XMLSEC_RES( STR_SERIALNUM ) ), aLBEntry, aDetails, true );

    std::pair< ::rtl::OUString, ::rtl::OUString> pairIssuer = 
        XmlSec::GetDNForCertDetailsView(xCert->getIssuerName());
	aLBEntry = pairIssuer.first;
	aDetails = pairIssuer.second; 
	InsertElement( String( XMLSEC_RES( STR_ISSUER ) ), aLBEntry, aDetails );
    /*
	aSeq = xCert->getIssuerUniqueID();
	aLBEntry = XmlSec::GetHexString( aSeq, pHexSep );
	aDetails = XmlSec::GetHexString( aSeq, pHexSep, nLineBreak );
	InsertElement( String( XMLSEC_RES( STR_ISSUER_ID ) ), aLBEntry, aDetails, true );
    */

    DateTime aDateTime;
    utl::typeConvert( xCert->getNotValidBefore(), aDateTime );
	aLBEntry = GetSettings().GetUILocaleDataWrapper().getDate( aDateTime.GetDate() );
    aLBEntry += String::CreateFromAscii( " " );
	aLBEntry += GetSettings().GetUILocaleDataWrapper().getTime( aDateTime.GetTime() );
	InsertElement( String( XMLSEC_RES( STR_VALIDFROM ) ), aLBEntry, aLBEntry  );
    utl::typeConvert( xCert->getNotValidAfter(), aDateTime );
	aLBEntry = GetSettings().GetUILocaleDataWrapper().getDate( aDateTime.GetDate() );
    aLBEntry += String::CreateFromAscii( " " );
	aLBEntry += GetSettings().GetUILocaleDataWrapper().getTime( aDateTime.GetTime() );
	InsertElement( String( XMLSEC_RES( STR_VALIDTO ) ), aLBEntry, aLBEntry );

    std::pair< ::rtl::OUString, ::rtl::OUString > pairSubject = 
        XmlSec::GetDNForCertDetailsView(xCert->getSubjectName());
	aLBEntry = pairSubject.first;
	aDetails = pairSubject.second;
	InsertElement( String( XMLSEC_RES( STR_SUBJECT ) ), aLBEntry, aDetails );
    /*
	aSeq = xCert->getSubjectUniqueID();
	aLBEntry = XmlSec::GetHexString( aSeq, pHexSep );
	aDetails = XmlSec::GetHexString( aSeq, pHexSep, nLineBreak );
	InsertElement( String( XMLSEC_RES( STR_SUBJECT_ID ) ), aLBEntry, aDetails, true );
    */
	aLBEntry = aDetails = xCert->getSubjectPublicKeyAlgorithm();
	InsertElement( String( XMLSEC_RES( STR_SUBJECT_PUBKEY_ALGO ) ), aLBEntry, aDetails );
	aSeq = xCert->getSubjectPublicKeyValue();
	aLBEntry = XmlSec::GetHexString( aSeq, pHexSep );
	aDetails = XmlSec::GetHexString( aSeq, pHexSep, nLineBreak );
	InsertElement( String( XMLSEC_RES( STR_SUBJECT_PUBKEY_VAL ) ), aLBEntry, aDetails, true );

	aLBEntry = aDetails = xCert->getSignatureAlgorithm();
	InsertElement( String( XMLSEC_RES( STR_SIGNATURE_ALGO ) ), aLBEntry, aDetails );

    aSeq = xCert->getSHA1Thumbprint();
    aLBEntry = XmlSec::GetHexString( aSeq, pHexSep );
	aDetails = XmlSec::GetHexString( aSeq, pHexSep, nLineBreak );
	InsertElement( String( XMLSEC_RES( STR_THUMBPRINT_SHA1 ) ), aLBEntry, aDetails, true );

    aSeq = xCert->getMD5Thumbprint();
    aLBEntry = XmlSec::GetHexString( aSeq, pHexSep );
	aDetails = XmlSec::GetHexString( aSeq, pHexSep, nLineBreak );
	InsertElement( String( XMLSEC_RES( STR_THUMBPRINT_MD5 ) ), aLBEntry, aDetails, true );

	FreeResource();

	maElementsLB.SetSelectHdl( LINK( this, CertificateViewerDetailsTP, ElementSelectHdl ) );
}

CertificateViewerDetailsTP::~CertificateViewerDetailsTP()
{
	Clear();
}

void CertificateViewerDetailsTP::ActivatePage()
{
}

IMPL_LINK( CertificateViewerDetailsTP, ElementSelectHdl, void*, EMPTYARG )
{
	SvLBoxEntry*	pEntry = maElementsLB.FirstSelected();
	String			aElementText;
	bool			bFixedWidthFont;
	if( pEntry )
	{
		const Details_UserDatat*	p = ( Details_UserDatat* ) pEntry->GetUserData();
		aElementText = p->maTxt;
		bFixedWidthFont = p->mbFixedWidthFont;
	}
	else
		bFixedWidthFont = false;

	maElementML.SetFont( bFixedWidthFont? maFixedWidthFont : maStdFont );
	maElementML.SetControlFont( bFixedWidthFont? maFixedWidthFont : maStdFont );
	maElementML.SetText( aElementText );

    return 0;
}

struct CertPath_UserData
{
    cssu::Reference< dcss::security::XCertificate > mxCert;
	String			                                maStatus;
	bool mbValid;

	CertPath_UserData( cssu::Reference< dcss::security::XCertificate > xCert, bool bValid):
		mxCert(xCert),
		mbValid(bValid)
	{
	}
};


CertificateViewerCertPathTP::CertificateViewerCertPathTP( Window* _pParent, CertificateViewer* _pDlg )
	:CertificateViewerTP	( _pParent, XMLSEC_RES( RID_XMLSECTP_CERTPATH ), _pDlg  )
	,maCertPathFT			( this, XMLSEC_RES( FT_CERTPATH ) )
	,maCertPathLB			( this, XMLSEC_RES( LB_SIGNATURES ) )
    ,maViewCertPB           ( this, XMLSEC_RES( BTN_VIEWCERT ) )
	,maCertStatusFT			( this, XMLSEC_RES( FT_CERTSTATUS ) )
	,maCertStatusML			( this, XMLSEC_RES( ML_CERTSTATUS ) )
    ,mpParent               ( _pDlg )
    ,mbFirstActivateDone    ( false )
    ,maCertImage            ( XMLSEC_RES( IMG_CERT_SMALL ) )
    ,maCertNotValidatedImage( XMLSEC_RES( IMG_CERT_NOTVALIDATED_SMALL ) )
    ,msCertOK               ( XMLSEC_RES( STR_PATH_CERT_OK ) )
    ,msCertNotValidated     ( XMLSEC_RES( STR_PATH_CERT_NOT_VALIDATED ) )

{
    if ( GetSettings().GetStyleSettings().GetHighContrastMode() )
    {
        maCertImage = Image( XMLSEC_RES( IMG_CERT_SMALL_HC ) );
        maCertNotValidatedImage = Image( XMLSEC_RES( IMG_CERT_NOTVALIDATED_SMALL_HC ) );
    }

	FreeResource();

    maCertPathLB.SetNodeDefaultImages();
    maCertPathLB.SetSublistOpenWithLeftRight();
    maCertPathLB.SetSelectHdl( LINK( this, CertificateViewerCertPathTP, CertSelectHdl ) );
    maViewCertPB.SetClickHdl( LINK( this, CertificateViewerCertPathTP, ViewCertHdl ) );

    // check if buttontext is to wide
    const long nOffset = 10;
    String sText = maViewCertPB.GetText();
    long nTxtW = maViewCertPB.GetTextWidth( sText );
    if ( sText.Search( '~' ) == STRING_NOTFOUND )
        nTxtW += nOffset;
    long nBtnW = maViewCertPB.GetSizePixel().Width();
    if ( nTxtW > nBtnW )
    {
        // broaden the button
        long nDelta = nTxtW - nBtnW;
        Size aNewSize = maViewCertPB.GetSizePixel();
        aNewSize.Width() += nDelta;
        maViewCertPB.SetSizePixel( aNewSize );
        // and give it a new position
        Point aNewPos = maViewCertPB.GetPosPixel();
        aNewPos.X() -= nDelta;
        maViewCertPB.SetPosPixel( aNewPos );
    }
}

CertificateViewerCertPathTP::~CertificateViewerCertPathTP()
{
	Clear();
}

void CertificateViewerCertPathTP::ActivatePage()
{
    if ( !mbFirstActivateDone )
    {
        mbFirstActivateDone = true;
        Sequence< Reference< security::XCertificate > > aCertPath =
            mpParent->mxSecurityEnvironment->buildCertificatePath( mpParent->mxCert );
        const Reference< security::XCertificate >* pCertPath = aCertPath.getConstArray();

        String aState;
        sal_Int32 i, nCnt = aCertPath.getLength();
        SvLBoxEntry* pParent = NULL;
        for( i = nCnt; i; )
        {
            const Reference< security::XCertificate > rCert = pCertPath[ --i ];
            String sName = XmlSec::GetContentPart( rCert->getSubjectName() );
			//Verify the certificate
			sal_Int32 certStatus = mpDlg->mxSecurityEnvironment->verifyCertificate(rCert,
                 Sequence<Reference<css::security::XCertificate> >());
			bool bCertValid = certStatus == css::security::CertificateValidity::VALID ? true : false;
            pParent = InsertCert( pParent, sName, rCert, bCertValid);
        }

        maCertPathLB.Select( pParent );
        maViewCertPB.Disable(); // Own certificate selected

        while( pParent )
        {
            maCertPathLB.Expand( pParent );
            pParent = maCertPathLB.GetParent( pParent );
        }

        CertSelectHdl( NULL );
    }
}

IMPL_LINK( CertificateViewerCertPathTP, ViewCertHdl, void*, EMPTYARG )
{
	SvLBoxEntry* pEntry = maCertPathLB.FirstSelected();
	if( pEntry )
    {
		CertificateViewer aViewer( this, mpDlg->mxSecurityEnvironment, ((CertPath_UserData*)pEntry->GetUserData())->mxCert, sal_False );
		aViewer.Execute();
    }

    return 0;
}

IMPL_LINK( CertificateViewerCertPathTP, CertSelectHdl, void*, EMPTYARG )
{
    String sStatus;
	SvLBoxEntry* pEntry = maCertPathLB.FirstSelected();
    if( pEntry )
    {
        CertPath_UserData* pData = (CertPath_UserData*) pEntry->GetUserData();
        if ( pData )
            sStatus = pData->mbValid ? msCertOK : msCertNotValidated;
    }

    maCertStatusML.SetText( sStatus );
    maViewCertPB.Enable( pEntry && ( pEntry != maCertPathLB.Last() ) );
    return 0;
}

void CertificateViewerCertPathTP::Clear( void )
{
	maCertStatusML.SetText( String() );
	sal_uLong			i = 0;
	SvLBoxEntry*	pEntry = maCertPathLB.GetEntry( i );
	while( pEntry )
	{
		delete ( CertPath_UserData* ) pEntry->GetUserData();
		++i;
		pEntry = maCertPathLB.GetEntry( i );
	}

	maCertPathLB.Clear();
}

SvLBoxEntry* CertificateViewerCertPathTP::InsertCert(
	SvLBoxEntry* _pParent, const String& _rName, cssu::Reference< dcss::security::XCertificate > rxCert,
	bool bValid)
{
    Image aImage = bValid ? maCertImage : maCertNotValidatedImage;
    SvLBoxEntry* pEntry = maCertPathLB.InsertEntry( _rName, aImage, aImage, _pParent );
	pEntry->SetUserData( ( void* ) new CertPath_UserData( rxCert, bValid ) );

	return pEntry;
}