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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_xmlsecurity.hxx"
/*
* Turn off DEBUG Assertions
*/
#ifdef _DEBUG
#define _DEBUG_WAS_DEFINED _DEBUG
#undef _DEBUG
#else
#undef _DEBUG_WAS_DEFINED
#endif
/*
* and turn off the additional virtual methods which are part of some interfaces when compiled
* with debug
*/
#ifdef DEBUG
#define DEBUG_WAS_DEFINED DEBUG
#undef DEBUG
#else
#undef DEBUG_WAS_DEFINED
#endif
#include <com/sun/star/mozilla/XMozillaBootstrap.hpp>
#include <com/sun/star/xml/crypto/DigestID.hpp>
#include <com/sun/star/xml/crypto/CipherID.hpp>
#include <sal/types.h>
#include <rtl/instance.hxx>
#include <rtl/bootstrap.hxx>
#include <rtl/string.hxx>
#include <rtl/strbuf.hxx>
#include <osl/file.hxx>
#include <osl/thread.h>
#include <tools/debug.hxx>
#include <rtl/logfile.hxx>
#include "seinitializer_nssimpl.hxx"
#include "../diagnose.hxx"
#include "securityenvironment_nssimpl.hxx"
#include "digestcontext.hxx"
#include "ciphercontext.hxx"
#include <nspr.h>
#include <cert.h>
#include <nss.h>
#include <pk11pub.h>
#include <secmod.h>
#include <nssckbi.h>
namespace css = ::com::sun::star;
namespace cssu = css::uno;
namespace cssl = css::lang;
namespace cssxc = css::xml::crypto;
using namespace xmlsecurity;
using namespace com::sun::star;
using ::rtl::OUString;
using ::rtl::OString;
#define SERVICE_NAME "com.sun.star.xml.crypto.SEInitializer"
#define IMPLEMENTATION_NAME "com.sun.star.xml.security.bridge.xmlsec.SEInitializer_NssImpl"
#define SECURITY_ENVIRONMENT "com.sun.star.xml.crypto.SecurityEnvironment"
#define SECURITY_CONTEXT "com.sun.star.xml.crypto.XMLSecurityContext"
#define ROOT_CERTS "Root Certs for OpenOffice.org"
extern "C" void nsscrypto_finalize();
namespace
{
bool nsscrypto_initialize( const css::uno::Reference< css::lang::XMultiServiceFactory > &xMSF, bool & out_nss_init );
struct InitNSSInitialize
{
css::uno::Reference< css::lang::XMultiServiceFactory > mxMSF;
InitNSSInitialize( const css::uno::Reference< css::lang::XMultiServiceFactory > &xMSF )
: mxMSF( xMSF )
{
}
bool * operator()()
{
static bool bInitialized = false;
bool bNSSInit = false;
bInitialized = nsscrypto_initialize( mxMSF, bNSSInit );
if (bNSSInit)
atexit(nsscrypto_finalize );
return & bInitialized;
}
};
bool * initNSS( const css::uno::Reference< css::lang::XMultiServiceFactory > &xMSF )
{
return rtl_Instance< bool, InitNSSInitialize,
::osl::MutexGuard, ::osl::GetGlobalMutex >::create(
InitNSSInitialize( xMSF ), ::osl::GetGlobalMutex());
}
void deleteRootsModule()
{
SECMODModule *RootsModule = 0;
SECMODModuleList *list = SECMOD_GetDefaultModuleList();
SECMODListLock *lock = SECMOD_GetDefaultModuleListLock();
SECMOD_GetReadLock(lock);
while (!RootsModule && list)
{
SECMODModule *module = list->module;
for (int i=0; i < module->slotCount; i++)
{
PK11SlotInfo *slot = module->slots[i];
if (PK11_IsPresent(slot))
{
if (PK11_HasRootCerts(slot))
{
xmlsec_trace("The root certifificates module \"%s"
"\" is already loaded: \n%s",
module->commonName, module->dllName);
RootsModule = SECMOD_ReferenceModule(module);
break;
}
}
}
list = list->next;
}
SECMOD_ReleaseReadLock(lock);
if (RootsModule)
{
PRInt32 modType;
if (SECSuccess == SECMOD_DeleteModule(RootsModule->commonName, &modType))
{
xmlsec_trace("Deleted module \"%s\".", RootsModule->commonName);
}
else
{
xmlsec_trace("Failed to delete \"%s\" : \n%s",
RootsModule->commonName, RootsModule->dllName);
}
SECMOD_DestroyModule(RootsModule);
RootsModule = 0;
}
}
::rtl::OString getMozillaCurrentProfile( const css::uno::Reference< css::lang::XMultiServiceFactory > &rxMSF )
{
::rtl::OString sResult;
// first, try to get the profile from "MOZILLA_CERTIFICATE_FOLDER"
char* pEnv = getenv( "MOZILLA_CERTIFICATE_FOLDER" );
if ( pEnv )
{
sResult = ::rtl::OString( pEnv );
RTL_LOGFILE_PRODUCT_TRACE1( "XMLSEC: Using env MOZILLA_CERTIFICATE_FOLDER: %s", sResult.getStr() );
}
else
{
mozilla::MozillaProductType productTypes[4] = {
mozilla::MozillaProductType_Thunderbird,
mozilla::MozillaProductType_Mozilla,
mozilla::MozillaProductType_Firefox,
mozilla::MozillaProductType_Default };
int nProduct = 4;
uno::Reference<uno::XInterface> xInstance = rxMSF->createInstance(
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.mozilla.MozillaBootstrap")) );
OSL_ENSURE( xInstance.is(), "failed to create instance" );
uno::Reference<mozilla::XMozillaBootstrap> xMozillaBootstrap
= uno::Reference<mozilla::XMozillaBootstrap>(xInstance,uno::UNO_QUERY);
OSL_ENSURE( xMozillaBootstrap.is(), "failed to create instance" );
if (xMozillaBootstrap.is())
{
for (int i=0; i<nProduct; i++)
{
::rtl::OUString profile = xMozillaBootstrap->getDefaultProfile(productTypes[i]);
if (profile != NULL && profile.getLength()>0)
{
::rtl::OUString sProfilePath = xMozillaBootstrap->getProfilePath( productTypes[i], profile );
sResult = ::rtl::OUStringToOString( sProfilePath, osl_getThreadTextEncoding() );
RTL_LOGFILE_PRODUCT_TRACE1( "XMLSEC: Using Mozilla Profile: %s", sResult.getStr() );
}
}
}
RTL_LOGFILE_PRODUCT_TRACE( "XMLSEC: No Mozilla Profile found!" );
}
return sResult;
}
//Older versions of Firefox (FF), for example FF2, and Thunderbird (TB) 2 write
//the roots certificate module (libnssckbi.so), which they use, into the
//profile. This module will then already be loaded during NSS_Init (and the
//other init functions). This fails in two cases. First, FF3 was used to create
//the profile, or possibly used that profile before, and second the profile was
//used on a different platform.
//
//Then one needs to add the roots module oneself. This should be done with
//SECMOD_LoadUserModule rather then SECMOD_AddNewModule. The latter would write
//the location of the roots module to the profile, which makes FF2 and TB2 use
//it instead of there own module.
//
//When using SYSTEM_MOZILLA then the libnss3.so lib is typically found in
///usr/lib. This folder may, however, NOT contain the roots certificate
//module. That is, just providing the library name in SECMOD_LoadUserModule or
//SECMOD_AddNewModule will FAIL to load the mozilla unless the LD_LIBRARY_PATH
//contains an FF or TB installation.
//ATTENTION: DO NOT call this function directly instead use initNSS
//return true - whole initialization was successful
//param out_nss_init = true: at least the NSS initialization (NSS_InitReadWrite
//was successful and therefor NSS_Shutdown should be called when terminating.
bool nsscrypto_initialize( const css::uno::Reference< css::lang::XMultiServiceFactory > &xMSF, bool & out_nss_init )
{
bool return_value = true;
// this method must be called only once, no need for additional lock
rtl::OString sCertDir;
if ( xMSF.is() )
sCertDir = getMozillaCurrentProfile( xMSF );
xmlsec_trace( "Using profile: %s", sCertDir.getStr() );
PR_Init( PR_USER_THREAD, PR_PRIORITY_NORMAL, 1 ) ;
// there might be no profile
if ( sCertDir.getLength() > 0 )
{
if( NSS_InitReadWrite( sCertDir.getStr() ) != SECSuccess )
{
xmlsec_trace("Initializing NSS with profile failed.");
char * error = NULL;
PR_GetErrorText(error);
if (error)
xmlsec_trace("%s",error);
return false ;
}
}
else
{
xmlsec_trace("Initializing NSS without profile.");
if ( NSS_NoDB_Init(NULL) != SECSuccess )
{
xmlsec_trace("Initializing NSS without profile failed.");
char * error = NULL;
PR_GetErrorText(error);
if (error)
xmlsec_trace("%s",error);
return false ;
}
}
out_nss_init = true;
#if defined SYSTEM_MOZILLA
if (!SECMOD_HasRootCerts())
{
#endif
deleteRootsModule();
#if defined SYSTEM_MOZILLA
OUString rootModule(RTL_CONSTASCII_USTRINGPARAM("libnssckbi"SAL_DLLEXTENSION));
#else
OUString rootModule(RTL_CONSTASCII_USTRINGPARAM("${OOO_BASE_DIR}/program/libnssckbi"SAL_DLLEXTENSION));
#endif
::rtl::Bootstrap::expandMacros(rootModule);
OUString rootModulePath;
if (::osl::File::E_None == ::osl::File::getSystemPathFromFileURL(rootModule, rootModulePath))
{
::rtl::OString ospath = ::rtl::OUStringToOString(rootModulePath, osl_getThreadTextEncoding());
::rtl::OStringBuffer pkcs11moduleSpec;
pkcs11moduleSpec.append("name=\"");
pkcs11moduleSpec.append(ROOT_CERTS);
pkcs11moduleSpec.append("\" library=\"");
pkcs11moduleSpec.append(ospath.getStr());
pkcs11moduleSpec.append("\"");
SECMODModule * RootsModule =
SECMOD_LoadUserModule(
const_cast<char*>(pkcs11moduleSpec.makeStringAndClear().getStr()),
0, // no parent
PR_FALSE); // do not recurse
if (RootsModule)
{
bool found = RootsModule->loaded;
SECMOD_DestroyModule(RootsModule);
RootsModule = 0;
if (found)
xmlsec_trace("Added new root certificate module "
"\""ROOT_CERTS"\" contained in \n%s", ospath.getStr());
else
{
xmlsec_trace("FAILED to load the new root certificate module "
"\""ROOT_CERTS"\" contained in \n%s", ospath.getStr());
return_value = false;
}
}
else
{
xmlsec_trace("FAILED to add new root certifice module: "
"\""ROOT_CERTS"\" contained in \n%s", ospath.getStr());
return_value = false;
}
}
else
{
xmlsec_trace("Adding new root certificate module failed.");
return_value = false;
}
#if SYSTEM_MOZILLA
}
#endif
return return_value;
}
// must be extern "C" because we pass the function pointer to atexit
extern "C" void nsscrypto_finalize()
{
SECMODModule *RootsModule = SECMOD_FindModule(ROOT_CERTS);
if (RootsModule)
{
if (SECSuccess == SECMOD_UnloadUserModule(RootsModule))
{
xmlsec_trace("Unloaded module \""ROOT_CERTS"\".");
}
else
{
xmlsec_trace("Failed unloadeding module \""ROOT_CERTS"\".");
}
SECMOD_DestroyModule(RootsModule);
}
else
{
xmlsec_trace("Unloading module \""ROOT_CERTS
"\" failed because it was not found.");
}
PK11_LogoutAll();
NSS_Shutdown();
}
} // namespace
SEInitializer_NssImpl::SEInitializer_NssImpl(
const css::uno::Reference< css::lang::XMultiServiceFactory > &rxMSF)
:mxMSF( rxMSF )
{
}
SEInitializer_NssImpl::~SEInitializer_NssImpl()
{
}
/* XSEInitializer */
cssu::Reference< cssxc::XXMLSecurityContext > SAL_CALL
SEInitializer_NssImpl::createSecurityContext()
throw (cssu::RuntimeException)
{
CERTCertDBHandle *pCertHandle = NULL ;
if( ! *initNSS( mxMSF ) )
return NULL;
pCertHandle = CERT_GetDefaultCertDB() ;
try
{
/* Build XML Security Context */
const rtl::OUString sSecyrutyContext ( RTL_CONSTASCII_USTRINGPARAM( SECURITY_CONTEXT ) );
cssu::Reference< cssxc::XXMLSecurityContext > xSecCtx( mxMSF->createInstance ( sSecyrutyContext ), cssu::UNO_QUERY );
if( !xSecCtx.is() )
return NULL;
const rtl::OUString sSecyrutyEnvironment ( RTL_CONSTASCII_USTRINGPARAM( SECURITY_ENVIRONMENT ) );
cssu::Reference< cssxc::XSecurityEnvironment > xSecEnv( mxMSF->createInstance ( sSecyrutyEnvironment ), cssu::UNO_QUERY );
cssu::Reference< cssl::XUnoTunnel > xEnvTunnel( xSecEnv , cssu::UNO_QUERY ) ;
if( !xEnvTunnel.is() )
return NULL;
SecurityEnvironment_NssImpl* pSecEnv = reinterpret_cast<SecurityEnvironment_NssImpl*>(
sal::static_int_cast<sal_uIntPtr>(
xEnvTunnel->getSomething(SecurityEnvironment_NssImpl::getUnoTunnelId() ))) ;
pSecEnv->setCertDb(pCertHandle);
sal_Int32 n = xSecCtx->addSecurityEnvironment(xSecEnv);
//originally the SecurityEnvironment with the internal slot was set as default
xSecCtx->setDefaultSecurityEnvironmentIndex( n );
return xSecCtx;
}
catch( cssu::Exception& )
{
//PK11_LogoutAll();
//NSS_Shutdown();
return NULL;
}
}
css::uno::Reference< css::xml::crypto::XDigestContext > SAL_CALL SEInitializer_NssImpl::getDigestContext( ::sal_Int32 nDigestID, const css::uno::Any& aParams )
throw (css::lang::IllegalArgumentException, css::uno::RuntimeException)
{
SECOidTag nNSSDigestID = SEC_OID_UNKNOWN;
sal_Int32 nDigestLength = 0;
if ( nDigestID == css::xml::crypto::DigestID::SHA256 )
{
nNSSDigestID = SEC_OID_SHA256;
nDigestLength = 32;
}
else if ( nDigestID != css::xml::crypto::DigestID::SHA1 )
{
nNSSDigestID = SEC_OID_SHA1;
nDigestLength = 16;
}
else
throw css::lang::IllegalArgumentException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Unexpected digest requested." ) ), css::uno::Reference< css::uno::XInterface >(), 1 );
if ( aParams.hasValue() )
throw css::lang::IllegalArgumentException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Unexpected arguments provided for digest creation." ) ), css::uno::Reference< css::uno::XInterface >(), 2 );
css::uno::Reference< css::xml::crypto::XDigestContext > xResult;
if( *initNSS( mxMSF ) )
{
PK11Context* pContext = PK11_CreateDigestContext( nNSSDigestID );
if ( pContext && PK11_DigestBegin( pContext ) == SECSuccess )
xResult = new ODigestContext( pContext, nDigestLength );
}
return xResult;
}
css::uno::Reference< css::xml::crypto::XCipherContext > SAL_CALL SEInitializer_NssImpl::getCipherContext( ::sal_Int32 nCipherID, const css::uno::Sequence< ::sal_Int8 >& aKey, const css::uno::Sequence< ::sal_Int8 >& aInitializationVector, ::sal_Bool bEncryption, const css::uno::Any& aParams )
throw (css::lang::IllegalArgumentException, css::uno::RuntimeException)
{
CK_MECHANISM_TYPE nNSSCipherID = -1;
if ( nCipherID == css::xml::crypto::CipherID::AES_CBC )
{
nNSSCipherID = CKM_AES_CBC;
if ( aKey.getLength() != 16 && aKey.getLength() != 24 && aKey.getLength() != 32 )
throw css::lang::IllegalArgumentException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Unexpected key length." ) ), css::uno::Reference< css::uno::XInterface >(), 2 );
if ( aParams.hasValue() )
throw css::lang::IllegalArgumentException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Unexpected arguments provided for cipher creation." ) ), css::uno::Reference< css::uno::XInterface >(), 5 );
}
else
throw css::lang::IllegalArgumentException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Unexpected cipher requested." ) ), css::uno::Reference< css::uno::XInterface >(), 1 );
css::uno::Reference< css::xml::crypto::XCipherContext > xResult;
if( *initNSS( mxMSF ) )
{
if ( aInitializationVector.getLength() != PK11_GetIVLength( nNSSCipherID ) )
throw css::lang::IllegalArgumentException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Unexpected length of initialization vector." ) ), css::uno::Reference< css::uno::XInterface >(), 3 );
xResult = OCipherContext::Create( nNSSCipherID, aKey, aInitializationVector, bEncryption );
}
return xResult;
}
rtl::OUString SEInitializer_NssImpl_getImplementationName ()
throw (cssu::RuntimeException)
{
return rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( IMPLEMENTATION_NAME ) );
}
sal_Bool SAL_CALL SEInitializer_NssImpl_supportsService( const rtl::OUString& ServiceName )
throw (cssu::RuntimeException)
{
return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ));
}
cssu::Sequence< rtl::OUString > SAL_CALL SEInitializer_NssImpl_getSupportedServiceNames( )
throw (cssu::RuntimeException)
{
cssu::Sequence < rtl::OUString > aRet(1);
rtl::OUString* pArray = aRet.getArray();
pArray[0] = rtl::OUString ( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
return aRet;
}
#undef SERVICE_NAME
cssu::Reference< cssu::XInterface > SAL_CALL SEInitializer_NssImpl_createInstance( const cssu::Reference< cssl::XMultiServiceFactory > & rSMgr)
throw( cssu::Exception )
{
return (cppu::OWeakObject*) new SEInitializer_NssImpl(rSMgr);
}
/* XServiceInfo */
rtl::OUString SAL_CALL SEInitializer_NssImpl::getImplementationName( )
throw (cssu::RuntimeException)
{
return SEInitializer_NssImpl_getImplementationName();
}
sal_Bool SAL_CALL SEInitializer_NssImpl::supportsService( const rtl::OUString& rServiceName )
throw (cssu::RuntimeException)
{
return SEInitializer_NssImpl_supportsService( rServiceName );
}
cssu::Sequence< rtl::OUString > SAL_CALL SEInitializer_NssImpl::getSupportedServiceNames( )
throw (cssu::RuntimeException)
{
return SEInitializer_NssImpl_getSupportedServiceNames();
}
|