office-gobmx/xmlsecurity/source/xmlsec/mscrypt/xmlencryption_mscryptimpl.cxx
Stephan Bergmann ec52e5e5a2 Consolidate XMLSEC_NO_SIZE_T setting in xmlsecurity/xmlsec-wrapper.h
...so all xmlsec/*.h includes are bundled there now (except, for pragmatic
reasons, the xmlsec/mscrypto/*.h ones that unconditionally include windows.h and
only work on Windows).

Change-Id: I33e642f4f6a2e40edd6950af7f209c8b76c6e5fe
2013-03-25 08:52:55 +01:00

372 lines
12 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include <sal/config.h>
#include <rtl/uuid.h>
#include "xmlencryption_mscryptimpl.hxx"
#include "xmldocumentwrapper_xmlsecimpl.hxx"
#include "xmlelementwrapper_xmlsecimpl.hxx"
#include "securityenvironment_mscryptimpl.hxx"
#include "errorcallback.hxx"
#include "xmlsecurity/xmlsec-wrapper.h"
#ifdef UNX
#define stricmp strcasecmp
#endif
using namespace ::com::sun::star::uno ;
using namespace ::com::sun::star::lang ;
using ::com::sun::star::lang::XMultiServiceFactory ;
using ::com::sun::star::lang::XSingleServiceFactory ;
using ::rtl::OUString ;
using ::com::sun::star::xml::wrapper::XXMLElementWrapper ;
using ::com::sun::star::xml::wrapper::XXMLDocumentWrapper ;
using ::com::sun::star::xml::crypto::XSecurityEnvironment ;
using ::com::sun::star::xml::crypto::XXMLEncryption ;
using ::com::sun::star::xml::crypto::XXMLEncryptionTemplate ;
using ::com::sun::star::xml::crypto::XXMLSecurityContext ;
using ::com::sun::star::xml::crypto::XMLEncryptionException ;
XMLEncryption_MSCryptImpl :: XMLEncryption_MSCryptImpl( const Reference< XMultiServiceFactory >& aFactory ) : m_xServiceManager( aFactory ) {
}
XMLEncryption_MSCryptImpl :: ~XMLEncryption_MSCryptImpl() {
}
/* XXMLEncryption */
Reference< XXMLEncryptionTemplate >
SAL_CALL XMLEncryption_MSCryptImpl :: encrypt(
const Reference< XXMLEncryptionTemplate >& aTemplate ,
const Reference< XSecurityEnvironment >& aEnvironment
) throw( com::sun::star::xml::crypto::XMLEncryptionException,
com::sun::star::uno::SecurityException )
{
xmlSecKeysMngrPtr pMngr = NULL ;
xmlSecEncCtxPtr pEncCtx = NULL ;
xmlNodePtr pEncryptedData = NULL ;
xmlNodePtr pContent = NULL ;
if( !aTemplate.is() )
throw RuntimeException() ;
if( !aEnvironment.is() )
throw RuntimeException() ;
//Get Keys Manager
Reference< XUnoTunnel > xSecTunnel( aEnvironment , UNO_QUERY ) ;
if( !xSecTunnel.is() ) {
throw RuntimeException() ;
}
SecurityEnvironment_MSCryptImpl* pSecEnv = ( SecurityEnvironment_MSCryptImpl* )xSecTunnel->getSomething( SecurityEnvironment_MSCryptImpl::getUnoTunnelId() ) ;
if( pSecEnv == NULL )
throw RuntimeException() ;
//Get the encryption template
Reference< XXMLElementWrapper > xTemplate = aTemplate->getTemplate() ;
if( !xTemplate.is() ) {
throw RuntimeException() ;
}
Reference< XUnoTunnel > xTplTunnel( xTemplate , UNO_QUERY ) ;
if( !xTplTunnel.is() ) {
throw RuntimeException() ;
}
XMLElementWrapper_XmlSecImpl* pTemplate = ( XMLElementWrapper_XmlSecImpl* )xTplTunnel->getSomething( XMLElementWrapper_XmlSecImpl::getUnoTunnelImplementationId() ) ;
if( pTemplate == NULL ) {
throw RuntimeException() ;
}
pEncryptedData = pTemplate->getNativeElement() ;
//Find the element to be encrypted.
//This element is wrapped in the CipherValue sub-element.
xmlNodePtr pCipherData = pEncryptedData->children;
while (pCipherData != NULL && stricmp((const char *)(pCipherData->name), "CipherData"))
{
pCipherData = pCipherData->next;
}
if( pCipherData == NULL ) {
throw XMLEncryptionException() ;
}
xmlNodePtr pCipherValue = pCipherData->children;
while (pCipherValue != NULL && stricmp((const char *)(pCipherValue->name), "CipherValue"))
{
pCipherValue = pCipherValue->next;
}
if( pCipherValue == NULL ) {
throw XMLEncryptionException() ;
}
pContent = pCipherValue->children;
if( pContent == NULL ) {
throw XMLEncryptionException() ;
}
xmlUnlinkNode(pContent);
xmlAddNextSibling(pEncryptedData, pContent);
//remember the position of the element to be signed
sal_Bool isParentRef = sal_True;
xmlNodePtr pParent = pEncryptedData->parent;
xmlNodePtr referenceNode;
if (pEncryptedData == pParent->children)
{
referenceNode = pParent;
}
else
{
referenceNode = pEncryptedData->prev;
isParentRef = sal_False;
}
setErrorRecorder( );
pMngr = pSecEnv->createKeysManager() ; //i39448
if( !pMngr ) {
throw RuntimeException() ;
}
//Create Encryption context
pEncCtx = xmlSecEncCtxCreate( pMngr ) ;
if( pEncCtx == NULL )
{
pSecEnv->destroyKeysManager( pMngr ) ; //i39448
//throw XMLEncryptionException() ;
clearErrorRecorder();
return aTemplate;
}
//Encrypt the template
if( xmlSecEncCtxXmlEncrypt( pEncCtx , pEncryptedData , pContent ) < 0 ) {
aTemplate->setStatus(::com::sun::star::xml::crypto::SecurityOperationStatus_UNKNOWN);
xmlSecEncCtxDestroy( pEncCtx ) ;
pSecEnv->destroyKeysManager( pMngr ) ; //i39448
clearErrorRecorder();
return aTemplate;
}
aTemplate->setStatus(::com::sun::star::xml::crypto::SecurityOperationStatus_OPERATION_SUCCEEDED);
xmlSecEncCtxDestroy( pEncCtx ) ;
pSecEnv->destroyKeysManager( pMngr ) ; //i39448
//get the new EncryptedData element
if (isParentRef)
{
pTemplate->setNativeElement(referenceNode->children) ;
}
else
{
pTemplate->setNativeElement(referenceNode->next);
}
clearErrorRecorder();
return aTemplate ;
}
/* XXMLEncryption */
Reference< XXMLEncryptionTemplate > SAL_CALL
XMLEncryption_MSCryptImpl :: decrypt(
const Reference< XXMLEncryptionTemplate >& aTemplate ,
const Reference< XXMLSecurityContext >& aSecurityCtx
) throw( com::sun::star::xml::crypto::XMLEncryptionException ,
com::sun::star::uno::SecurityException) {
xmlSecKeysMngrPtr pMngr = NULL ;
xmlSecEncCtxPtr pEncCtx = NULL ;
xmlNodePtr pEncryptedData = NULL ;
if( !aTemplate.is() )
throw RuntimeException() ;
if( !aSecurityCtx.is() )
throw RuntimeException() ;
//Get Keys Manager
Reference< XSecurityEnvironment > xSecEnv
= aSecurityCtx->getSecurityEnvironmentByIndex(
aSecurityCtx->getDefaultSecurityEnvironmentIndex());
Reference< XUnoTunnel > xSecTunnel( xSecEnv , UNO_QUERY ) ;
if( !xSecTunnel.is() ) {
throw RuntimeException() ;
}
SecurityEnvironment_MSCryptImpl* pSecEnv = ( SecurityEnvironment_MSCryptImpl* )xSecTunnel->getSomething( SecurityEnvironment_MSCryptImpl::getUnoTunnelId() ) ;
if( pSecEnv == NULL )
throw RuntimeException() ;
//Get the encryption template
Reference< XXMLElementWrapper > xTemplate = aTemplate->getTemplate() ;
if( !xTemplate.is() ) {
throw RuntimeException() ;
}
Reference< XUnoTunnel > xTplTunnel( xTemplate , UNO_QUERY ) ;
if( !xTplTunnel.is() ) {
throw RuntimeException() ;
}
XMLElementWrapper_XmlSecImpl* pTemplate = ( XMLElementWrapper_XmlSecImpl* )xTplTunnel->getSomething( XMLElementWrapper_XmlSecImpl::getUnoTunnelImplementationId() ) ;
if( pTemplate == NULL ) {
throw RuntimeException() ;
}
pEncryptedData = pTemplate->getNativeElement() ;
//remember the position of the element to be signed
sal_Bool isParentRef = sal_True;
xmlNodePtr pParent = pEncryptedData->parent;
xmlNodePtr referenceNode;
if (pEncryptedData == pParent->children)
{
referenceNode = pParent;
}
else
{
referenceNode = pEncryptedData->prev;
isParentRef = sal_False;
}
setErrorRecorder( );
pMngr = pSecEnv->createKeysManager() ; //i39448
if( !pMngr ) {
throw RuntimeException() ;
}
//Create Encryption context
pEncCtx = xmlSecEncCtxCreate( pMngr ) ;
if( pEncCtx == NULL )
{
pSecEnv->destroyKeysManager( pMngr ) ; //i39448
//throw XMLEncryptionException() ;
clearErrorRecorder();
return aTemplate;
}
//Decrypt the template
if( xmlSecEncCtxDecrypt( pEncCtx , pEncryptedData ) < 0 || pEncCtx->result == NULL ) {
aTemplate->setStatus(::com::sun::star::xml::crypto::SecurityOperationStatus_UNKNOWN);
xmlSecEncCtxDestroy( pEncCtx ) ;
pSecEnv->destroyKeysManager( pMngr ) ; //i39448
//throw XMLEncryptionException() ;
clearErrorRecorder();
return aTemplate;
}
aTemplate->setStatus(::com::sun::star::xml::crypto::SecurityOperationStatus_OPERATION_SUCCEEDED);
/*----------------------------------------
if( pEncCtx->resultReplaced != 0 ) {
pContent = pEncryptedData ;
Reference< XUnoTunnel > xTunnel( ret , UNO_QUERY ) ;
if( !xTunnel.is() ) {
xmlSecEncCtxDestroy( pEncCtx ) ;
throw RuntimeException() ;
}
XMLElementWrapper_XmlSecImpl* pNode = ( XMLElementWrapper_XmlSecImpl* )xTunnel->getSomething( XMLElementWrapper_XmlSecImpl::getUnoTunnelImplementationId() ) ;
if( pNode == NULL ) {
xmlSecEncCtxDestroy( pEncCtx ) ;
throw RuntimeException() ;
}
pNode->setNativeElement( pContent ) ;
} else {
xmlSecEncCtxDestroy( pEncCtx ) ;
throw RuntimeException() ;
}
----------------------------------------*/
//Destroy the encryption context
xmlSecEncCtxDestroy( pEncCtx ) ;
pSecEnv->destroyKeysManager( pMngr ) ; //i39448
//get the decrypted element
XMLElementWrapper_XmlSecImpl * ret = new XMLElementWrapper_XmlSecImpl(isParentRef?
(referenceNode->children):(referenceNode->next));
//return ret;
aTemplate->setTemplate(ret);
clearErrorRecorder();
return aTemplate;
}
/* XInitialization */
void SAL_CALL XMLEncryption_MSCryptImpl :: initialize( const Sequence< Any >& /*aArguments*/ ) throw( Exception, RuntimeException ) {
// TBD
} ;
/* XServiceInfo */
OUString SAL_CALL XMLEncryption_MSCryptImpl :: getImplementationName() throw( RuntimeException ) {
return impl_getImplementationName() ;
}
/* XServiceInfo */
sal_Bool SAL_CALL XMLEncryption_MSCryptImpl :: supportsService( const OUString& serviceName) throw( RuntimeException ) {
Sequence< OUString > seqServiceNames = getSupportedServiceNames() ;
const OUString* pArray = seqServiceNames.getConstArray() ;
for( sal_Int32 i = 0 ; i < seqServiceNames.getLength() ; i ++ ) {
if( *( pArray + i ) == serviceName )
return sal_True ;
}
return sal_False ;
}
/* XServiceInfo */
Sequence< OUString > SAL_CALL XMLEncryption_MSCryptImpl :: getSupportedServiceNames() throw( RuntimeException ) {
return impl_getSupportedServiceNames() ;
}
//Helper for XServiceInfo
Sequence< OUString > XMLEncryption_MSCryptImpl :: impl_getSupportedServiceNames() {
::osl::Guard< ::osl::Mutex > aGuard( ::osl::Mutex::getGlobalMutex() ) ;
Sequence< OUString > seqServiceNames( 1 ) ;
seqServiceNames.getArray()[0] = OUString("com.sun.star.xml.crypto.XMLEncryption") ;
return seqServiceNames ;
}
OUString XMLEncryption_MSCryptImpl :: impl_getImplementationName() throw( RuntimeException ) {
return OUString("com.sun.star.xml.security.bridge.xmlsec.XMLEncryption_MSCryptImpl") ;
}
//Helper for registry
Reference< XInterface > SAL_CALL XMLEncryption_MSCryptImpl :: impl_createInstance( const Reference< XMultiServiceFactory >& aServiceManager ) throw( RuntimeException ) {
return Reference< XInterface >( *new XMLEncryption_MSCryptImpl( aServiceManager ) ) ;
}
Reference< XSingleServiceFactory > XMLEncryption_MSCryptImpl :: impl_createFactory( const Reference< XMultiServiceFactory >& aServiceManager ) {
//Reference< XSingleServiceFactory > xFactory ;
//xFactory = ::cppu::createSingleFactory( aServiceManager , impl_getImplementationName , impl_createInstance , impl_getSupportedServiceNames ) ;
//return xFactory ;
return ::cppu::createSingleFactory( aServiceManager , impl_getImplementationName() , impl_createInstance , impl_getSupportedServiceNames() ) ;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */