652 lines
22 KiB
C++
652 lines
22 KiB
C++
/*************************************************************************
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*
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* $RCSfile: shlib.cxx,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: dbo $ $Date: 2001-01-19 10:42:18 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifdef DEBUG
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#include <stdio.h>
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#endif
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#include <vector>
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#include <osl/diagnose.h>
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#include <osl/file.h>
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#include <osl/mutex.hxx>
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#include <osl/module.h>
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#include <rtl/ustrbuf.hxx>
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#include <uno/environment.h>
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#include <uno/mapping.hxx>
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#include <cppuhelper/factory.hxx>
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#include <cppuhelper/shlib.hxx>
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using namespace ::rtl;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::loader;
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using namespace ::com::sun::star::registry;
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namespace cppu
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{
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#ifdef DEBUG
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//==================================================================================================
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static inline void out( const char * p ) throw ()
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{
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::fprintf( stderr, p );
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}
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static inline void out( const OUString & r ) throw ()
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{
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OString s( OUStringToOString( r, RTL_TEXTENCODING_ASCII_US ) );
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out( s.getStr() );
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}
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#endif
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//==================================================================================================
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static const ::std::vector< OUString > * getAccessDPath() throw ()
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{
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static ::std::vector< OUString > * s_p = 0;
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static bool s_bInit = false;
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if (! s_bInit)
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{
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::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
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if (! s_bInit)
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{
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const char * pEnv = ::getenv( "CPLD_ACCESSPATH" );
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if (pEnv)
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{
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static ::std::vector< OUString > s_v;
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OString aEnv( pEnv );
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sal_Int32 nToken = aEnv.getTokenCount( ';' );
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for ( sal_Int32 i = 0; i < nToken; ++i )
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{
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OUString aStr( OStringToOUString(
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aEnv.getToken( i, ';' ), RTL_TEXTENCODING_ASCII_US ) );
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OUString aUNC;
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if (osl_File_E_None == ::osl_normalizePath( aStr.pData, &aUNC.pData ))
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{
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s_v.push_back( aUNC );
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}
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}
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#ifdef DEBUG
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out( "> cpld: acknowledged following access path(s): \"" );
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::std::vector< OUString >::const_iterator iPos( s_v.begin() );
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while (iPos != s_v.end())
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{
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out( *iPos );
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++iPos;
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if (iPos != s_v.end())
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out( ";" );
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}
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out( "\"\n" );
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#endif
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s_p = & s_v;
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}
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s_bInit = true;
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}
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}
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return s_p;
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}
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//==================================================================================================
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static bool checkAccessPath( OUString * pComp ) throw ()
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{
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#ifdef DEBUG
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out( "> trying to access module: \"" );
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out( *pComp );
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out( "\"\n" );
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#endif
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const ::std::vector< OUString > * pPath = getAccessDPath();
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if (pPath)
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{
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for ( ::std::vector< OUString >::const_iterator iPos( pPath->begin() );
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iPos != pPath->end(); ++iPos )
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{
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OUString aBaseDir( *iPos );
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OUString aAbs;
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if (pComp->getLength() > 2 &&
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pComp->getStr()[0] == (sal_Unicode)'/' &&
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pComp->getStr()[1] == (sal_Unicode)'/') // absolute unc path given?
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{
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aAbs = *pComp;
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#ifdef DEBUG
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out( "> taking path: \"" );
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out( aAbs );
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#endif
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}
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else
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{
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if (osl_File_E_None != ::osl_getAbsolutePath( aBaseDir.pData, pComp->pData, &aAbs.pData ))
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{
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continue;
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}
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#ifdef DEBUG
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out( "> found path: \"" );
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out( aBaseDir );
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out( "\" + \"" );
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out( *pComp );
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out( "\" => \"" );
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out( aAbs );
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#endif
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}
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if (0 == aAbs.indexOf( aBaseDir ) && // still part of it?
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aBaseDir.getLength() < aAbs.getLength() &&
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(aBaseDir[ aBaseDir.getLength() -1 ] == (sal_Unicode)'/' ||
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aAbs[ aBaseDir.getLength() ] == (sal_Unicode)'/')) // dir boundary
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{
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#ifdef DEBUG
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out( ": ok.\n" );
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#endif
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// load from absolute path
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*pComp = aAbs;
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return true;
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}
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#ifdef DEBUG
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else
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{
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out( "\" ...does not match given path \"" );
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out( aBaseDir );
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out( "\".\n" );
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}
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#endif
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}
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return false;
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}
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else
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{
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// no access path env set
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#ifdef DEBUG
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out( "=> no CPLD_ACCESSPATH set.\n" );
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#endif
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return true;
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}
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}
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//--------------------------------------------------------------------------------------------------
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static inline sal_Int32 endsWith( const OUString & rText, const OUString & rEnd ) throw ()
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{
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if (rText.getLength() >= rEnd.getLength() &&
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rEnd.equalsIgnoreCase( rText.copy( rText.getLength() - rEnd.getLength() ) ))
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{
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return rText.getLength() - rEnd.getLength();
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}
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return -1;
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}
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//==================================================================================================
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static OUString makeComponentPath(
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const OUString & rLibName, const OUString & rPath
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#ifdef MACOSX // only for mac hack: provide pure lib name
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, OUString * pCompName
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#endif
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) throw ()
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{
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OUStringBuffer buf( rPath.getLength() + 32 );
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if (rPath.getLength())
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{
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buf.append( rPath );
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#if defined( SAL_UNX ) || defined( MACOSX )
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if (rPath[ rPath.getLength() -1 ] != (sal_Unicode)'/')
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{
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buf.append( (sal_Unicode)'/' ); // for unc and system
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}
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#else
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if (rPath.getLength() > 2 &&
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rPath[0] == (sal_Unicode)'/' && rPath[1] == (sal_Unicode)'/' && // unc path
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rPath[ rPath.getLength() -1 ] != '/')
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{
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buf.append( (sal_Unicode)'/' );
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}
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else if (rPath[ rPath.getLength() -1 ] != (sal_Unicode)'\\')
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{
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buf.append( (sal_Unicode)'\\' );
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}
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#endif
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}
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#if defined( MACOSX )
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// determine start and end of component name
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sal_Int32 nEnd = endsWith( rLibName, OUString( RTL_CONSTASCII_USTRINGPARAM(".dylib.framework") ) );
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if (nEnd < 0)
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{
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buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("lib") );
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buf.append( *pCompName = rLibName.copy( rLibName.lastIndexOf( (sal_Unicode)'/' ) +1 ) );
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buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(".dylib.framework") );
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}
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else // name is completely pre/postfixed
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{
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sal_Int32 nStart = rLibName.lastIndexOf( (sal_Unicode)'/' ) +4; // /lib...
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*pCompName = rLibName.copy( nStart, nEnd - nStart );
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buf.append( rLibName );
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}
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#elif defined( SAL_UNX )
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sal_Int32 nEnd = endsWith( rLibName, OUString( RTL_CONSTASCII_USTRINGPARAM(".so") ) );
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if (nEnd < 0) // !endsWith
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{
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buf.appendAscii( RTL_CONSTASCII_STRINGPARAM("lib") );
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buf.append( rLibName );
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buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(".so") );
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}
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else // name is completely pre/postfixed
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{
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buf.append( rLibName );
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}
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#elif defined( OS2 )
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buf.append( rLibName );
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#else // windows
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buf.append( rLibName );
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sal_Int32 nEnd = endsWith( rLibName, OUString( RTL_CONSTASCII_USTRINGPARAM(".dll") ) );
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if (nEnd < 0) // !endsWith
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{
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buf.appendAscii( RTL_CONSTASCII_STRINGPARAM(".dll") );
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}
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#endif
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return buf.makeStringAndClear();
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}
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//==================================================================================================
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Reference< XSingleServiceFactory > SAL_CALL loadSharedLibComponentFactory(
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OUString const & rLibName, OUString const & rPath,
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OUString const & rImplName,
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Reference< XMultiServiceFactory > const & xMgr,
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Reference< XRegistryKey > const & xKey )
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throw (CannotActivateFactoryException)
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{
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#ifdef MACOSX
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OUString aComponentName;
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OUString aModulePath( makeComponentPath( rLibName, rPath, &aComponentName ) );
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#else
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OUString aModulePath( makeComponentPath( rLibName, rPath ) );
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#endif
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OUString aExcMsg;
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if (! checkAccessPath( &aModulePath ))
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{
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aExcMsg = OUString( RTL_CONSTASCII_USTRINGPARAM("permission denied to load component library: ") );
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aExcMsg += aModulePath;
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throw CannotActivateFactoryException( aExcMsg, Reference< XInterface >() );
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}
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oslModule lib = ::osl_loadModule(
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aModulePath.pData, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL );
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if (! lib)
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{
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aExcMsg = OUString( RTL_CONSTASCII_USTRINGPARAM("loading component library failed: ") );
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aExcMsg += aModulePath;
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throw CannotActivateFactoryException( aExcMsg, Reference< XInterface >() );
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}
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Reference< XSingleServiceFactory > xRet;
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void * pSym;
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#ifdef MACOSX
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OUString aGetEnvName(
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aComponentName + OUString( RTL_CONSTASCII_USTRINGPARAM(COMPONENT_GETENV) ) );
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#else
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OUString aGetEnvName( RTL_CONSTASCII_USTRINGPARAM(COMPONENT_GETENV) );
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#endif
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if (pSym = ::osl_getSymbol( lib, aGetEnvName.pData ))
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{
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uno_Environment * pCurrentEnv = 0;
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uno_Environment * pEnv = 0;
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const sal_Char * pEnvTypeName = 0;
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(*((component_getImplementationEnvironmentFunc)pSym))( &pEnvTypeName, &pEnv );
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OUString aEnvTypeName( OUString::createFromAscii( pEnvTypeName ) );
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sal_Bool bNeedsMapping =
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(pEnv || !aEnvTypeName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME ) ));
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if (bNeedsMapping)
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{
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if (! pEnv)
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{
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::uno_getEnvironment( &pEnv, aEnvTypeName.pData, 0 );
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}
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if (pEnv)
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{
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OUString aCppEnvTypeName( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) );
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::uno_getEnvironment( &pCurrentEnv, aCppEnvTypeName.pData, 0 );
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if (pCurrentEnv)
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{
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bNeedsMapping = (pEnv != pCurrentEnv);
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}
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}
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}
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#ifdef MACOSX
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OUString aGetFactoryName(
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aComponentName + OUString( RTL_CONSTASCII_USTRINGPARAM(COMPONENT_GETFACTORY) ) );
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#else
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OUString aGetFactoryName( RTL_CONSTASCII_USTRINGPARAM(COMPONENT_GETFACTORY) );
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#endif
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if (pSym = ::osl_getSymbol( lib, aGetFactoryName.pData ))
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{
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OString aImplName( OUStringToOString( rImplName, RTL_TEXTENCODING_ASCII_US ) );
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if (bNeedsMapping)
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{
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if (pEnv && pCurrentEnv)
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{
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Mapping aCurrent2Env( pCurrentEnv, pEnv );
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Mapping aEnv2Current( pEnv, pCurrentEnv );
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if (aCurrent2Env.is() && aEnv2Current.is())
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{
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void * pSMgr = aCurrent2Env.mapInterface( xMgr.get(), ::getCppuType( &xMgr ) );
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void * pKey = aCurrent2Env.mapInterface( xKey.get(), ::getCppuType( &xKey ) );
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void * pSSF = (*((component_getFactoryFunc)pSym))(
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aImplName.getStr(), pSMgr, pKey );
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if (pKey)
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(*pEnv->pExtEnv->releaseInterface)( pEnv->pExtEnv, pKey );
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if (pSMgr)
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(*pEnv->pExtEnv->releaseInterface)( pEnv->pExtEnv, pSMgr );
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if (pSSF)
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{
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aEnv2Current.mapInterface(
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reinterpret_cast< void ** >( &xRet ),
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pSSF, ::getCppuType( &xRet ) );
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(*pEnv->pExtEnv->releaseInterface)( pEnv->pExtEnv, pSSF );
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}
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else
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{
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aExcMsg = aModulePath;
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aExcMsg += OUString( RTL_CONSTASCII_USTRINGPARAM(": cannot get factory of demanded implementation: ") );
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aExcMsg += OStringToOUString( aImplName, RTL_TEXTENCODING_ASCII_US );
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}
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}
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else
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{
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aExcMsg = OUString( RTL_CONSTASCII_USTRINGPARAM("cannot get uno mappings: C++ <=> UNO!") );
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}
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}
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else
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{
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aExcMsg = OUString( RTL_CONSTASCII_USTRINGPARAM("cannot get uno environments!") );
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}
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}
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else
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{
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XSingleServiceFactory * pRet = (XSingleServiceFactory *)
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(*((component_getFactoryFunc)pSym))( aImplName.getStr(), xMgr.get(), xKey.get() );
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if (pRet)
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{
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xRet = pRet;
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pRet->release();
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}
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else
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{
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aExcMsg = aModulePath;
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aExcMsg += OUString( RTL_CONSTASCII_USTRINGPARAM(": cannot get factory of demanded implementation: ") );
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aExcMsg += OStringToOUString( aImplName, RTL_TEXTENCODING_ASCII_US );
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}
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}
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}
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else
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{
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aExcMsg = aModulePath;
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aExcMsg += OUString( RTL_CONSTASCII_USTRINGPARAM(": cannot get symbol: ") );
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aExcMsg += aGetFactoryName;
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}
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if (pEnv)
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(*pEnv->release)( pEnv );
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if (pCurrentEnv)
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(*pCurrentEnv->release)( pCurrentEnv );
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}
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else
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{
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aExcMsg = aModulePath;
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aExcMsg += OUString( RTL_CONSTASCII_USTRINGPARAM(": cannot get symbol: ") );
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aExcMsg += aGetEnvName;
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}
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if (! xRet.is())
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{
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::osl_unloadModule( lib );
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#ifdef DEBUG
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out( aExcMsg );
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#endif
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throw CannotActivateFactoryException( aExcMsg, Reference< XInterface >() );
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}
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return xRet;
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}
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//==================================================================================================
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void SAL_CALL writeSharedLibComponentInfo(
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OUString const & rLibName, OUString const & rPath,
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Reference< XMultiServiceFactory > const & xMgr,
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Reference< XRegistryKey > const & xKey )
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throw (CannotRegisterImplementationException)
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{
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#ifdef MACOSX
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OUString aComponentName;
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OUString aModulePath( makeComponentPath( rLibName, rPath, &aComponentName ) );
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#else
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OUString aModulePath( makeComponentPath( rLibName, rPath ) );
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#endif
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OUString aExcMsg;
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if (! checkAccessPath( &aModulePath ))
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{
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aExcMsg = OUString( RTL_CONSTASCII_USTRINGPARAM("permission denied to load component library: ") );
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aExcMsg += aModulePath;
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throw CannotRegisterImplementationException( aExcMsg, Reference< XInterface >() );
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}
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oslModule lib = ::osl_loadModule(
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aModulePath.pData, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL );
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if (! lib)
|
|
{
|
|
aExcMsg = OUString( RTL_CONSTASCII_USTRINGPARAM("loading component library failed: ") );
|
|
aExcMsg += aModulePath;
|
|
throw CannotRegisterImplementationException( aExcMsg, Reference< XInterface >() );
|
|
}
|
|
|
|
sal_Bool bRet = sal_False;
|
|
|
|
void * pSym;
|
|
#ifdef MACOSX
|
|
OUString aGetEnvName(
|
|
aComponentName + OUString( RTL_CONSTASCII_USTRINGPARAM(COMPONENT_GETENV) ) );
|
|
#else
|
|
OUString aGetEnvName( RTL_CONSTASCII_USTRINGPARAM(COMPONENT_GETENV) );
|
|
#endif
|
|
if (pSym = ::osl_getSymbol( lib, aGetEnvName.pData ))
|
|
{
|
|
uno_Environment * pCurrentEnv = 0;
|
|
uno_Environment * pEnv = 0;
|
|
|
|
const sal_Char * pEnvTypeName = 0;
|
|
(*((component_getImplementationEnvironmentFunc)pSym))( &pEnvTypeName, &pEnv );
|
|
OUString aEnvTypeName( OUString::createFromAscii( pEnvTypeName ) );
|
|
|
|
sal_Bool bNeedsMapping =
|
|
(pEnv || !aEnvTypeName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME ) ));
|
|
|
|
if (bNeedsMapping)
|
|
{
|
|
if (! pEnv)
|
|
{
|
|
::uno_getEnvironment( &pEnv, aEnvTypeName.pData, 0 );
|
|
}
|
|
if (pEnv)
|
|
{
|
|
OUString aCppEnvTypeName( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) );
|
|
::uno_getEnvironment( &pCurrentEnv, aCppEnvTypeName.pData, 0 );
|
|
if (pCurrentEnv)
|
|
{
|
|
bNeedsMapping = (pEnv != pCurrentEnv);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef MACOSX
|
|
OUString aWriteInfoName(
|
|
aComponentName + OUString( RTL_CONSTASCII_USTRINGPARAM(COMPONENT_WRITEINFO) ) );
|
|
#else
|
|
OUString aWriteInfoName( RTL_CONSTASCII_USTRINGPARAM(COMPONENT_WRITEINFO) );
|
|
#endif
|
|
if (pSym = ::osl_getSymbol( lib, aWriteInfoName.pData ))
|
|
{
|
|
if (bNeedsMapping)
|
|
{
|
|
if (pEnv && pCurrentEnv)
|
|
{
|
|
Mapping aCurrent2Env( pCurrentEnv, pEnv );
|
|
if (aCurrent2Env.is())
|
|
{
|
|
void * pSMgr = aCurrent2Env.mapInterface( xMgr.get(), ::getCppuType( &xMgr ) );
|
|
void * pKey = aCurrent2Env.mapInterface( xKey.get(), ::getCppuType( &xKey ) );
|
|
if (pKey)
|
|
{
|
|
bRet = (*((component_writeInfoFunc)pSym))( pSMgr, pKey );
|
|
(*pEnv->pExtEnv->releaseInterface)( pEnv->pExtEnv, pKey );
|
|
if (! bRet)
|
|
{
|
|
aExcMsg = aModulePath;
|
|
aExcMsg += OUString( RTL_CONSTASCII_USTRINGPARAM(": component_writeInfo() returned false!") );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// key is mandatory
|
|
aExcMsg = aModulePath;
|
|
aExcMsg += OUString( RTL_CONSTASCII_USTRINGPARAM(": registry is mandatory to invoke component_writeInfo()!") );
|
|
}
|
|
|
|
if (pSMgr)
|
|
(*pEnv->pExtEnv->releaseInterface)( pEnv->pExtEnv, pSMgr );
|
|
}
|
|
else
|
|
{
|
|
aExcMsg = OUString( RTL_CONSTASCII_USTRINGPARAM("cannot get uno mapping: C++ <=> UNO!") );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
aExcMsg = OUString( RTL_CONSTASCII_USTRINGPARAM("cannot get uno environments!") );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (xKey.is())
|
|
{
|
|
bRet = (*((component_writeInfoFunc)pSym))( xMgr.get(), xKey.get() );
|
|
if (! bRet)
|
|
{
|
|
aExcMsg = aModulePath;
|
|
aExcMsg += OUString( RTL_CONSTASCII_USTRINGPARAM(": component_writeInfo() returned false!") );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// key is mandatory
|
|
aExcMsg = aModulePath;
|
|
aExcMsg += OUString( RTL_CONSTASCII_USTRINGPARAM(": registry is mandatory to invoke component_writeInfo()!") );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
aExcMsg = aModulePath;
|
|
aExcMsg += OUString( RTL_CONSTASCII_USTRINGPARAM(": cannot get symbol: ") );
|
|
aExcMsg += aWriteInfoName;
|
|
}
|
|
|
|
if (pEnv)
|
|
(*pEnv->release)( pEnv );
|
|
if (pCurrentEnv)
|
|
(*pCurrentEnv->release)( pCurrentEnv );
|
|
}
|
|
else
|
|
{
|
|
aExcMsg = aModulePath;
|
|
aExcMsg += OUString( RTL_CONSTASCII_USTRINGPARAM(": cannot get symbol: ") );
|
|
aExcMsg += aGetEnvName;
|
|
}
|
|
|
|
if (! bRet)
|
|
{
|
|
::osl_unloadModule( lib );
|
|
#ifdef DEBUG
|
|
out( aExcMsg );
|
|
#endif
|
|
throw CannotRegisterImplementationException( aExcMsg, Reference< XInterface >() );
|
|
}
|
|
}
|
|
|
|
}
|