office-gobmx/cppuhelper/source/shlib.cxx

652 lines
22 KiB
C++

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