libreoffice/xmlsecurity/source/xmlsec/mscrypt/securityenvironment_mscryptimpl.cxx
Tor Lillqvist e0849330bc Get rid of unnecessary directory levels $D/inc/$D
Change-Id: Ibf313b8948a493043006ebf3a8281487c1f67b48
Reviewed-on: https://gerrit.libreoffice.org/25532
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Tor Lillqvist <tml@collabora.com>
Tested-by: Tor Lillqvist <tml@collabora.com>
2016-05-27 17:10:45 +00:00

1246 lines
44 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 <cstddef>
#include <string.h>
#ifdef _MSC_VER
#pragma warning(push,1)
#endif
#include "Windows.h"
#include "WinCrypt.h"
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#include <sal/config.h>
#include <sal/macros.h>
#include <osl/thread.h>
#include "securityenvironment_mscryptimpl.hxx"
#include "x509certificate_mscryptimpl.hxx"
#include <comphelper/servicehelper.hxx>
#include "xmlsec-wrapper.h"
#include "xmlsec/mscrypto/akmngr.h"
#include <biginteger.hxx>
#include <comphelper/windowserrorstring.hxx>
#include <sal/log.hxx>
#include <rtl/locale.h>
#include <osl/nlsupport.h>
#include <osl/process.h>
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 ::com::sun::star::xml::crypto::XSecurityEnvironment ;
using ::com::sun::star::security::XCertificate ;
extern X509Certificate_MSCryptImpl* MswcryCertContextToXCert( PCCERT_CONTEXT cert ) ;
struct CertErrorToString{
DWORD error;
char const * name;
};
CertErrorToString arErrStrings[] =
{
{ 0x00000000, "CERT_TRUST_NO_ERROR"},
{ 0x00000001, "CERT_TRUST_IS_NOT_TIME_VALID"},
{ 0x00000002, "CERT_TRUST_IS_NOT_TIME_NESTED"},
{ 0x00000004, "CERT_TRUST_IS_REVOKED" },
{ 0x00000008, "CERT_TRUST_IS_NOT_SIGNATURE_VALID" },
{ 0x00000010, "CERT_TRUST_IS_NOT_SIGNATURE_VALID"},
{ 0x00000020, "CERT_TRUST_IS_UNTRUSTED_ROOT"},
{ 0x00000040, "CERT_TRUST_REVOCATION_STATUS_UNKNOWN"},
{ 0x00000080, "CERT_TRUST_IS_CYCLIC"},
{ 0x00000100, "CERT_TRUST_INVALID_EXTENSION"},
{ 0x00000200, "CERT_TRUST_INVALID_POLICY_CONSTRAINTS"},
{ 0x00000400, "CERT_TRUST_INVALID_BASIC_CONSTRAINTS"},
{ 0x00000800, "CERT_TRUST_INVALID_NAME_CONSTRAINTS"},
{ 0x00001000, "CERT_TRUST_HAS_NOT_SUPPORTED_NAME_CONSTRAINT"},
{ 0x00002000, "CERT_TRUST_HAS_NOT_DEFINED_NAME_CONSTRAINT"},
{ 0x00004000, "CERT_TRUST_HAS_NOT_PERMITTED_NAME_CONSTRAINT"},
{ 0x00008000, "CERT_TRUST_HAS_EXCLUDED_NAME_CONSTRAINT"},
{ 0x01000000, "CERT_TRUST_IS_OFFLINE_REVOCATION"},
{ 0x02000000, "CERT_TRUST_NO_ISSUANCE_CHAIN_POLICY"},
{ 0x04000000, "CERT_TRUST_IS_EXPLICIT_DISTRUST"},
{ 0x08000000, "CERT_TRUST_HAS_NOT_SUPPORTED_CRITICAL_EXT"},
//Chain errors
{ 0x00010000, "CERT_TRUST_IS_PARTIAL_CHAIN"},
{ 0x00020000, "CERT_TRUST_CTL_IS_NOT_TIME_VALID"},
{ 0x00040000, "CERT_TRUST_CTL_IS_NOT_SIGNATURE_VALID"},
{ 0x00080000, "CERT_TRUST_CTL_IS_NOT_VALID_FOR_USAGE"}
};
void traceTrustStatus(DWORD err)
{
if (err == 0)
SAL_INFO("xmlsecurity.xmlsec", " " << arErrStrings[0].name);
for (std::size_t i = 1; i < SAL_N_ELEMENTS(arErrStrings); i++)
{
if (arErrStrings[i].error & err)
SAL_INFO("xmlsecurity.xmlsec", " " << arErrStrings[i].name);
}
}
SecurityEnvironment_MSCryptImpl::SecurityEnvironment_MSCryptImpl( const Reference< XMultiServiceFactory >& aFactory ) : m_hProv( NULL ) , m_pszContainer( NULL ) , m_hKeyStore( NULL ), m_hCertStore( NULL ), m_hMySystemStore(NULL), m_hRootSystemStore(NULL), m_hTrustSystemStore(NULL), m_hCaSystemStore(NULL), m_bEnableDefault( sal_False ), m_tSymKeyList() , m_tPubKeyList() , m_tPriKeyList(), m_xServiceManager( aFactory ){
}
SecurityEnvironment_MSCryptImpl::~SecurityEnvironment_MSCryptImpl() {
if( m_hProv != NULL ) {
CryptReleaseContext( m_hProv, 0 ) ;
m_hProv = NULL ;
}
if( m_pszContainer != NULL ) {
//TODO: Don't know whether or not it should be released now.
m_pszContainer = NULL ;
}
if( m_hCertStore != NULL ) {
CertCloseStore( m_hCertStore, CERT_CLOSE_STORE_FORCE_FLAG ) ;
m_hCertStore = NULL ;
}
if( m_hKeyStore != NULL ) {
CertCloseStore( m_hKeyStore, CERT_CLOSE_STORE_FORCE_FLAG ) ;
m_hKeyStore = NULL ;
}
//i120675, close the store handles
if( m_hMySystemStore != NULL ) {
CertCloseStore( m_hMySystemStore, CERT_CLOSE_STORE_CHECK_FLAG ) ;
m_hMySystemStore = NULL ;
}
if( m_hRootSystemStore != NULL ) {
CertCloseStore( m_hRootSystemStore, CERT_CLOSE_STORE_CHECK_FLAG ) ;
m_hRootSystemStore = NULL ;
}
if( m_hTrustSystemStore != NULL ) {
CertCloseStore( m_hTrustSystemStore, CERT_CLOSE_STORE_CHECK_FLAG ) ;
m_hTrustSystemStore = NULL ;
}
if( m_hCaSystemStore != NULL ) {
CertCloseStore( m_hCaSystemStore, CERT_CLOSE_STORE_CHECK_FLAG ) ;
m_hCaSystemStore = NULL ;
}
if( !m_tSymKeyList.empty() ) {
std::list< HCRYPTKEY >::iterator symKeyIt ;
for( symKeyIt = m_tSymKeyList.begin() ; symKeyIt != m_tSymKeyList.end() ; ++symKeyIt )
CryptDestroyKey( *symKeyIt ) ;
}
if( !m_tPubKeyList.empty() ) {
std::list< HCRYPTKEY >::iterator pubKeyIt ;
for( pubKeyIt = m_tPubKeyList.begin() ; pubKeyIt != m_tPubKeyList.end() ; ++pubKeyIt )
CryptDestroyKey( *pubKeyIt ) ;
}
if( !m_tPriKeyList.empty() ) {
std::list< HCRYPTKEY >::iterator priKeyIt ;
for( priKeyIt = m_tPriKeyList.begin() ; priKeyIt != m_tPriKeyList.end() ; ++priKeyIt )
CryptDestroyKey( *priKeyIt ) ;
}
}
/* XServiceInfo */
OUString SAL_CALL SecurityEnvironment_MSCryptImpl::getImplementationName() throw( RuntimeException ) {
return impl_getImplementationName() ;
}
/* XServiceInfo */
sal_Bool SAL_CALL SecurityEnvironment_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 SecurityEnvironment_MSCryptImpl::getSupportedServiceNames() throw( RuntimeException ) {
return impl_getSupportedServiceNames() ;
}
//Helper for XServiceInfo
Sequence< OUString > SecurityEnvironment_MSCryptImpl::impl_getSupportedServiceNames() {
::osl::Guard< ::osl::Mutex > aGuard( ::osl::Mutex::getGlobalMutex() ) ;
Sequence<OUString> seqServiceNames { "com.sun.star.xml.crypto.SecurityEnvironment" };
return seqServiceNames ;
}
OUString SecurityEnvironment_MSCryptImpl::impl_getImplementationName() throw( RuntimeException ) {
return OUString("com.sun.star.xml.security.bridge.xmlsec.SecurityEnvironment_MSCryptImpl") ;
}
//Helper for registry
Reference< XInterface > SAL_CALL SecurityEnvironment_MSCryptImpl::impl_createInstance( const Reference< XMultiServiceFactory >& aServiceManager ) throw( RuntimeException ) {
return Reference< XInterface >( *new SecurityEnvironment_MSCryptImpl( aServiceManager ) ) ;
}
Reference< XSingleServiceFactory > SecurityEnvironment_MSCryptImpl::impl_createFactory( const Reference< XMultiServiceFactory >& aServiceManager ) {
return ::cppu::createSingleFactory( aServiceManager , impl_getImplementationName() , impl_createInstance , impl_getSupportedServiceNames() ) ;
}
/* XUnoTunnel */
sal_Int64 SAL_CALL SecurityEnvironment_MSCryptImpl::getSomething( const Sequence< sal_Int8 >& aIdentifier )
throw( RuntimeException )
{
if( aIdentifier.getLength() == 16 && 0 == memcmp( getUnoTunnelId().getConstArray(), aIdentifier.getConstArray(), 16 ) ) {
return ( sal_Int64 )this ;
}
return 0 ;
}
/* XUnoTunnel extension */
namespace
{
class theSecurityEnvironment_MSCryptImplUnoTunnelId : public rtl::Static< UnoTunnelIdInit, theSecurityEnvironment_MSCryptImplUnoTunnelId > {};
}
const Sequence< sal_Int8>& SecurityEnvironment_MSCryptImpl::getUnoTunnelId() {
return theSecurityEnvironment_MSCryptImplUnoTunnelId::get().getSeq();
}
/* XUnoTunnel extension */
SecurityEnvironment_MSCryptImpl* SecurityEnvironment_MSCryptImpl::getImplementation( const Reference< XInterface >& rObj ) {
Reference< XUnoTunnel > xUT( rObj , UNO_QUERY ) ;
if( xUT.is() ) {
return ( SecurityEnvironment_MSCryptImpl* )xUT->getSomething( getUnoTunnelId() ) ;
} else
return NULL ;
}
/* Native methods */
HCRYPTPROV SecurityEnvironment_MSCryptImpl::getCryptoProvider() throw( css::uno::Exception , css::uno::RuntimeException ) {
return m_hProv ;
}
void SecurityEnvironment_MSCryptImpl::setCryptoProvider( HCRYPTPROV aProv ) throw( css::uno::Exception , css::uno::RuntimeException ) {
if( m_hProv != NULL ) {
CryptReleaseContext( m_hProv, 0 ) ;
m_hProv = NULL ;
}
if( aProv != NULL ) {
m_hProv = aProv ;
}
}
LPCTSTR SecurityEnvironment_MSCryptImpl::getKeyContainer() throw( css::uno::Exception , css::uno::RuntimeException ) {
return m_pszContainer ;
}
void SecurityEnvironment_MSCryptImpl::setKeyContainer( LPCTSTR aKeyContainer ) throw( css::uno::Exception , css::uno::RuntimeException ) {
//TODO: Don't know whether or not it should be copied.
m_pszContainer = aKeyContainer ;
}
HCERTSTORE SecurityEnvironment_MSCryptImpl::getCryptoSlot() throw( Exception , RuntimeException ) {
return m_hKeyStore ;
}
void SecurityEnvironment_MSCryptImpl::setCryptoSlot( HCERTSTORE aSlot) throw( Exception , RuntimeException ) {
if( m_hKeyStore != NULL ) {
CertCloseStore( m_hKeyStore, CERT_CLOSE_STORE_FORCE_FLAG ) ;
m_hKeyStore = NULL ;
}
if( aSlot != NULL ) {
m_hKeyStore = CertDuplicateStore( aSlot ) ;
}
}
HCERTSTORE SecurityEnvironment_MSCryptImpl::getCertDb() throw( Exception , RuntimeException ) {
return m_hCertStore ;
}
void SecurityEnvironment_MSCryptImpl::setCertDb( HCERTSTORE aCertDb ) throw( Exception , RuntimeException ) {
if( m_hCertStore != NULL ) {
CertCloseStore( m_hCertStore, CERT_CLOSE_STORE_FORCE_FLAG ) ;
m_hCertStore = NULL ;
}
if( aCertDb != NULL ) {
m_hCertStore = CertDuplicateStore( aCertDb ) ;
}
}
void SecurityEnvironment_MSCryptImpl::adoptSymKey( HCRYPTKEY aSymKey ) throw( Exception , RuntimeException ) {
HCRYPTKEY symkey ;
std::list< HCRYPTKEY >::iterator keyIt ;
if( aSymKey != NULL ) {
//First try to find the key in the list
for( keyIt = m_tSymKeyList.begin() ; keyIt != m_tSymKeyList.end() ; ++keyIt ) {
if( *keyIt == aSymKey )
return ;
}
//If we do not find the key in the list, add a new node
symkey = aSymKey ;
try {
m_tSymKeyList.push_back( symkey ) ;
} catch ( Exception& ) {
CryptDestroyKey( symkey ) ;
}
}
}
HCRYPTKEY SecurityEnvironment_MSCryptImpl::getSymKey( unsigned int position ) throw( Exception , RuntimeException ) {
HCRYPTKEY symkey ;
std::list< HCRYPTKEY >::iterator keyIt ;
unsigned int pos ;
symkey = NULL ;
for( pos = 0, keyIt = m_tSymKeyList.begin() ; pos < position && keyIt != m_tSymKeyList.end() ; ++pos , ++keyIt ) ;
if( pos == position && keyIt != m_tSymKeyList.end() )
symkey = *keyIt ;
return symkey ;
}
HCRYPTKEY SecurityEnvironment_MSCryptImpl::getPubKey( unsigned int position ) throw( Exception , RuntimeException ) {
HCRYPTKEY pubkey ;
std::list< HCRYPTKEY >::iterator keyIt ;
unsigned int pos ;
pubkey = NULL ;
for( pos = 0, keyIt = m_tPubKeyList.begin() ; pos < position && keyIt != m_tPubKeyList.end() ; ++pos , ++keyIt ) ;
if( pos == position && keyIt != m_tPubKeyList.end() )
pubkey = *keyIt ;
return pubkey ;
}
HCRYPTKEY SecurityEnvironment_MSCryptImpl::getPriKey( unsigned int position ) throw( Exception , RuntimeException ) {
HCRYPTKEY prikey ;
std::list< HCRYPTKEY >::iterator keyIt ;
unsigned int pos ;
prikey = NULL ;
for( pos = 0, keyIt = m_tPriKeyList.begin() ; pos < position && keyIt != m_tPriKeyList.end() ; ++pos , ++keyIt ) ;
if( pos == position && keyIt != m_tPriKeyList.end() )
prikey = *keyIt ;
return prikey ;
}
#ifdef SAL_LOG_INFO
// Based on sample code from MSDN
static void get_system_name(const void *pvSystemStore,
DWORD dwFlags,
LPCWSTR *ppwszSystemName)
{
*ppwszSystemName = NULL;
if (dwFlags & CERT_SYSTEM_STORE_RELOCATE_FLAG)
{
PCERT_SYSTEM_STORE_RELOCATE_PARA pRelocatePara;
pRelocatePara = (PCERT_SYSTEM_STORE_RELOCATE_PARA) pvSystemStore;
*ppwszSystemName = pRelocatePara->pwszSystemStore;
}
else
{
*ppwszSystemName = (LPCWSTR) pvSystemStore;
}
}
extern "C" BOOL WINAPI cert_enum_physical_store_callback(const void *,
DWORD dwFlags,
LPCWSTR pwszStoreName,
PCERT_PHYSICAL_STORE_INFO,
void *,
void *)
{
OUString name(pwszStoreName);
if (dwFlags & CERT_PHYSICAL_STORE_PREDEFINED_ENUM_FLAG)
name += " (implicitly created)";
SAL_INFO("xmlsecurity.xmlsec", " Physical store: " << name);
return TRUE;
}
extern "C" BOOL WINAPI cert_enum_system_store_callback(const void *pvSystemStore,
DWORD dwFlags,
PCERT_SYSTEM_STORE_INFO,
void *,
void *)
{
LPCWSTR pwszSystemStore;
get_system_name(pvSystemStore, dwFlags, &pwszSystemStore);
SAL_INFO("xmlsecurity.xmlsec", "System store: " << OUString(pwszSystemStore));
if (!CertEnumPhysicalStore(pvSystemStore,
dwFlags,
NULL,
cert_enum_physical_store_callback))
{
DWORD dwErr = GetLastError();
if (!(ERROR_FILE_NOT_FOUND == dwErr ||
ERROR_NOT_SUPPORTED == dwErr))
{
SAL_WARN("xmlsecurity.xmlsec", "CertEnumPhysicalStore failed:" << WindowsErrorString(GetLastError()));
}
}
return TRUE;
}
#endif
//Methods from XSecurityEnvironment
Sequence< Reference < XCertificate > > SecurityEnvironment_MSCryptImpl::getPersonalCertificates() throw( SecurityException , RuntimeException )
{
sal_Int32 length ;
X509Certificate_MSCryptImpl* xcert ;
std::list< X509Certificate_MSCryptImpl* > certsList ;
PCCERT_CONTEXT pCertContext = NULL;
//firstly, we try to find private keys in given key store.
if( m_hKeyStore != NULL ) {
pCertContext = CertEnumCertificatesInStore( m_hKeyStore, pCertContext );
while (pCertContext)
{
xcert = MswcryCertContextToXCert( pCertContext ) ;
if( xcert != NULL )
certsList.push_back( xcert ) ;
pCertContext = CertEnumCertificatesInStore( m_hKeyStore, pCertContext );
}
}
//secondly, we try to find certificate from registered private keys.
if( !m_tPriKeyList.empty() ) {
//TODO: Don't know whether or not it is necessary ans possible.
}
//Thirdly, we try to find certificate from system default key store.
if( m_bEnableDefault ) {
HCERTSTORE hSystemKeyStore ;
DWORD dwKeySpec;
HCRYPTPROV hCryptProv;
#ifdef SAL_LOG_INFO
CertEnumSystemStore(CERT_SYSTEM_STORE_CURRENT_USER, NULL, NULL, cert_enum_system_store_callback);
#endif
hSystemKeyStore = CertOpenSystemStore( 0, "MY" ) ;
if( hSystemKeyStore != NULL ) {
pCertContext = CertEnumCertificatesInStore( hSystemKeyStore, pCertContext );
while (pCertContext)
{
// for checking whether the certificate is a personal certificate or not.
if(!(CryptAcquireCertificatePrivateKey(pCertContext,
CRYPT_ACQUIRE_COMPARE_KEY_FLAG,
NULL,
&hCryptProv,
&dwKeySpec,
NULL)))
{
// Not Privatekey found. SKIP this one.
pCertContext = CertEnumCertificatesInStore( hSystemKeyStore, pCertContext );
continue;
}
// then TODO : Check the personal cert is valid or not.
xcert = MswcryCertContextToXCert( pCertContext ) ;
if( xcert != NULL )
certsList.push_back( xcert ) ;
pCertContext = CertEnumCertificatesInStore( hSystemKeyStore, pCertContext );
}
}
CertCloseStore( hSystemKeyStore, CERT_CLOSE_STORE_CHECK_FLAG ) ;
}
length = certsList.size() ;
if( length != 0 ) {
int i ;
std::list< X509Certificate_MSCryptImpl* >::iterator xcertIt ;
Sequence< Reference< XCertificate > > certSeq( length ) ;
for( i = 0, xcertIt = certsList.begin(); xcertIt != certsList.end(); ++xcertIt, ++i ) {
certSeq[i] = *xcertIt ;
}
return certSeq ;
}
return Sequence< Reference< XCertificate > >() ;
}
Reference< XCertificate > SecurityEnvironment_MSCryptImpl::getCertificate( const OUString& issuerName, const Sequence< sal_Int8 >& serialNumber ) throw( SecurityException , RuntimeException ) {
unsigned int i ;
LPSTR pszName ;
X509Certificate_MSCryptImpl *xcert = NULL ;
PCCERT_CONTEXT pCertContext = NULL ;
HCERTSTORE hCertStore = NULL ;
CRYPT_INTEGER_BLOB cryptSerialNumber ;
CERT_INFO certInfo ;
// for correct encoding
sal_uInt16 encoding ;
rtl_Locale *pLocale = NULL ;
osl_getProcessLocale( &pLocale ) ;
encoding = osl_getTextEncodingFromLocale( pLocale ) ;
//Create cert info from issue and serial
OString oissuer = OUStringToOString( issuerName , encoding ) ;
pszName = ( char* )oissuer.getStr() ;
if( ! ( CertStrToName(
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING ,
pszName ,
CERT_X500_NAME_STR | CERT_NAME_STR_REVERSE_FLAG | CERT_NAME_STR_ENABLE_UTF8_UNICODE_FLAG,
NULL ,
NULL ,
&certInfo.Issuer.cbData, NULL ) )
) {
return NULL ;
}
certInfo.Issuer.pbData = ( BYTE* )malloc( certInfo.Issuer.cbData );
if(!certInfo.Issuer.pbData)
throw RuntimeException() ;
if( ! ( CertStrToName(
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING ,
pszName ,
CERT_X500_NAME_STR | CERT_NAME_STR_REVERSE_FLAG | CERT_NAME_STR_ENABLE_UTF8_UNICODE_FLAG,
NULL ,
( BYTE* )certInfo.Issuer.pbData ,
&certInfo.Issuer.cbData, NULL ) )
) {
free( certInfo.Issuer.pbData ) ;
return NULL ;
}
//Get the SerialNumber
cryptSerialNumber.cbData = serialNumber.getLength() ;
cryptSerialNumber.pbData = ( BYTE* )malloc( cryptSerialNumber.cbData);
if (!cryptSerialNumber.pbData)
{
free( certInfo.Issuer.pbData ) ;
throw RuntimeException() ;
}
for( i = 0; i < cryptSerialNumber.cbData; i ++ )
cryptSerialNumber.pbData[i] = serialNumber[ cryptSerialNumber.cbData - i - 1 ] ;
certInfo.SerialNumber.cbData = cryptSerialNumber.cbData ;
certInfo.SerialNumber.pbData = cryptSerialNumber.pbData ;
// Get the Cert from all store.
for( i = 0 ; i < 6 ; i ++ )
{
switch(i)
{
case 0:
if(m_hKeyStore == NULL) continue ;
hCertStore = m_hKeyStore ;
break;
case 1:
if(m_hCertStore == NULL) continue ;
hCertStore = m_hCertStore ;
break;
case 2:
hCertStore = CertOpenSystemStore( 0, "MY" ) ;
if(hCertStore == NULL || !m_bEnableDefault) continue ;
break;
case 3:
hCertStore = CertOpenSystemStore( 0, "Root" ) ;
if(hCertStore == NULL || !m_bEnableDefault) continue ;
break;
case 4:
hCertStore = CertOpenSystemStore( 0, "Trust" ) ;
if(hCertStore == NULL || !m_bEnableDefault) continue ;
break;
case 5:
hCertStore = CertOpenSystemStore( 0, "CA" ) ;
if(hCertStore == NULL || !m_bEnableDefault) continue ;
break;
default:
i=6;
continue;
}
/*******************************************************************************
* This code reserved for remind us there are another way to find one cert by
* IssuerName&serialnumber. You can use the code to replaced the function
* CertFindCertificateInStore IF and ONLY IF you must find one special cert in
* certStore but can not be found by CertFindCertificateInStore , then , you
* should also change the same part in libxmlsec/.../src/mscrypto/x509vfy.c#875.
* By Chandler Peng(chandler.peng@sun.com)
*****/
/*******************************************************************************
pCertContext = NULL ;
found = 0;
do{
// 1. enum the certs has same string in the issuer string.
pCertContext = CertEnumCertificatesInStore( hCertStore , pCertContext ) ;
if( pCertContext != NULL )
{
// 2. check the cert's issuer name .
char* issuer = NULL ;
DWORD cbIssuer = 0 ;
cbIssuer = CertNameToStr(
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING ,
&( pCertContext->pCertInfo->Issuer ),
CERT_X500_NAME_STR | CERT_NAME_STR_REVERSE_FLAG ,
NULL, 0
) ;
if( cbIssuer == 0 ) continue ; // discard this cert;
issuer = (char *)malloc( cbIssuer ) ;
if( issuer == NULL ) // discard this cert;
{
free( cryptSerialNumber.pbData) ;
free( certInfo.Issuer.pbData ) ;
CertFreeCertificateContext( pCertContext ) ;
if(i != 0 && i != 1) CertCloseStore( hCertStore, CERT_CLOSE_STORE_CHECK_FLAG ) ;
throw RuntimeException() ;
}
cbIssuer = CertNameToStr(
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING ,
&( pCertContext->pCertInfo->Issuer ),
CERT_X500_NAME_STR | CERT_NAME_STR_REVERSE_FLAG ,
issuer, cbIssuer
) ;
if( cbIssuer <= 0 )
{
free( issuer ) ;
continue ;// discard this cert;
}
if(strncmp(pszName , issuer , cbIssuer) != 0)
{
free( issuer ) ;
continue ;// discard this cert;
}
free( issuer ) ;
// 3. check the serial number.
if( memcmp( cryptSerialNumber.pbData , pCertContext->pCertInfo->SerialNumber.pbData , cryptSerialNumber.cbData ) != 0 )
{
continue ;// discard this cert;
}
// 4. confirm and break;
found = 1;
break ;
}
}while(pCertContext);
if(i != 0 && i != 1) CertCloseStore( hCertStore, CERT_CLOSE_STORE_CHECK_FLAG ) ;
if( found != 0 ) break; // Found the certificate.
********************************************************************************/
pCertContext = CertFindCertificateInStore(
hCertStore,
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
0,
CERT_FIND_SUBJECT_CERT,
&certInfo,
NULL
) ;
if(i != 0 && i != 1) CertCloseStore( hCertStore, CERT_CLOSE_STORE_CHECK_FLAG ) ;
if( pCertContext != NULL ) break ; // Found the certificate.
}
if( cryptSerialNumber.pbData ) free( cryptSerialNumber.pbData ) ;
if( certInfo.Issuer.pbData ) free( certInfo.Issuer.pbData ) ;
if( pCertContext != NULL ) {
xcert = MswcryCertContextToXCert( pCertContext ) ;
if( pCertContext ) CertFreeCertificateContext( pCertContext ) ;
} else {
xcert = NULL ;
}
return xcert ;
}
Reference< XCertificate > SecurityEnvironment_MSCryptImpl::getCertificate( const OUString& issuerName, const OUString& serialNumber ) throw( SecurityException , RuntimeException ) {
Sequence< sal_Int8 > serial = numericStringToBigInteger( serialNumber ) ;
return getCertificate( issuerName, serial ) ;
}
Sequence< Reference < XCertificate > > SecurityEnvironment_MSCryptImpl::buildCertificatePath( const Reference< XCertificate >& begin ) throw( SecurityException , RuntimeException ) {
PCCERT_CHAIN_CONTEXT pChainContext ;
PCCERT_CONTEXT pCertContext ;
const X509Certificate_MSCryptImpl* xcert ;
CERT_ENHKEY_USAGE enhKeyUsage ;
CERT_USAGE_MATCH certUsage ;
CERT_CHAIN_PARA chainPara ;
enhKeyUsage.cUsageIdentifier = 0 ;
enhKeyUsage.rgpszUsageIdentifier = NULL ;
certUsage.dwType = USAGE_MATCH_TYPE_AND ;
certUsage.Usage = enhKeyUsage ;
chainPara.cbSize = sizeof( CERT_CHAIN_PARA ) ;
chainPara.RequestedUsage = certUsage ;
Reference< XUnoTunnel > xCertTunnel( begin, UNO_QUERY ) ;
if( !xCertTunnel.is() ) {
throw RuntimeException() ;
}
xcert = ( X509Certificate_MSCryptImpl* )xCertTunnel->getSomething( X509Certificate_MSCryptImpl::getUnoTunnelId() ) ;
if( xcert == NULL ) {
throw RuntimeException() ;
}
pCertContext = xcert->getMswcryCert() ;
pChainContext = NULL ;
BOOL bChain = FALSE;
if( pCertContext != NULL )
{
HCERTSTORE hAdditionalStore = NULL;
HCERTSTORE hCollectionStore = NULL;
if (m_hCertStore && m_hKeyStore)
{
//Merge m_hCertStore and m_hKeyStore into one store.
hCollectionStore = CertOpenStore(
CERT_STORE_PROV_COLLECTION ,
0 ,
NULL ,
0 ,
NULL
) ;
if (hCollectionStore != NULL)
{
CertAddStoreToCollection (
hCollectionStore ,
m_hCertStore ,
CERT_PHYSICAL_STORE_ADD_ENABLE_FLAG ,
0) ;
CertAddStoreToCollection (
hCollectionStore ,
m_hCertStore ,
CERT_PHYSICAL_STORE_ADD_ENABLE_FLAG ,
0) ;
hAdditionalStore = hCollectionStore;
}
}
//if the merge of both stores failed then we add only m_hCertStore
if (hAdditionalStore == NULL && m_hCertStore)
hAdditionalStore = m_hCertStore;
else if (hAdditionalStore == NULL && m_hKeyStore)
hAdditionalStore = m_hKeyStore;
else
hAdditionalStore = NULL;
//CertGetCertificateChain searches by default in MY, CA, ROOT and TRUST
bChain = CertGetCertificateChain(
NULL ,
pCertContext ,
NULL , //use current system time
hAdditionalStore,
&chainPara ,
CERT_CHAIN_REVOCATION_CHECK_CHAIN | CERT_CHAIN_TIMESTAMP_TIME ,
NULL ,
&pChainContext);
if (!bChain)
pChainContext = NULL;
//Close the additional store
CertCloseStore(hCollectionStore, CERT_CLOSE_STORE_CHECK_FLAG);
}
if(bChain && pChainContext != NULL && pChainContext->cChain > 0 )
{
PCCERT_CONTEXT pCertInChain ;
PCERT_SIMPLE_CHAIN pCertChain ;
X509Certificate_MSCryptImpl* pCert ;
pCertChain = pChainContext->rgpChain[0] ;
if( pCertChain->cElement ) {
Sequence< Reference< XCertificate > > xCertChain( pCertChain->cElement ) ;
for( unsigned int i = 0 ; i < pCertChain->cElement ; i ++ ) {
if( pCertChain->rgpElement[i] )
pCertInChain = pCertChain->rgpElement[i]->pCertContext ;
else
pCertInChain = NULL ;
if( pCertInChain != NULL ) {
pCert = MswcryCertContextToXCert( pCertInChain ) ;
if( pCert != NULL )
xCertChain[i] = pCert ;
}
}
CertFreeCertificateChain( pChainContext ) ;
pChainContext = NULL ;
return xCertChain ;
}
}
if (pChainContext)
CertFreeCertificateChain(pChainContext);
return Sequence< Reference < XCertificate > >();
}
Reference< XCertificate > SecurityEnvironment_MSCryptImpl::createCertificateFromRaw( const Sequence< sal_Int8 >& rawCertificate ) throw( SecurityException , RuntimeException ) {
X509Certificate_MSCryptImpl* xcert ;
if( rawCertificate.getLength() > 0 ) {
xcert = new X509Certificate_MSCryptImpl() ;
xcert->setRawCert( rawCertificate ) ;
} else {
xcert = NULL ;
}
return xcert ;
}
Reference< XCertificate > SecurityEnvironment_MSCryptImpl::createCertificateFromAscii( const OUString& asciiCertificate ) throw( SecurityException , RuntimeException ) {
xmlChar* chCert ;
xmlSecSize certSize ;
OString oscert = OUStringToOString( asciiCertificate , RTL_TEXTENCODING_ASCII_US ) ;
chCert = xmlStrndup( ( const xmlChar* )oscert.getStr(), ( int )oscert.getLength() ) ;
certSize = xmlSecBase64Decode( chCert, ( xmlSecByte* )chCert, xmlStrlen( chCert ) ) ;
Sequence< sal_Int8 > rawCert( certSize ) ;
for( unsigned int i = 0 ; i < certSize ; i ++ )
rawCert[i] = *( chCert + i ) ;
xmlFree( chCert ) ;
return createCertificateFromRaw( rawCert ) ;
}
HCERTSTORE getCertStoreForIntermediatCerts(
const Sequence< Reference< css::security::XCertificate > >& seqCerts)
{
HCERTSTORE store = NULL;
store = CertOpenStore(
CERT_STORE_PROV_MEMORY, 0, NULL, 0, NULL);
if (store == NULL)
return NULL;
for (int i = 0; i < seqCerts.getLength(); i++)
{
SAL_INFO("xmlsecurity.xmlsec", "Added temporary certificate: " << seqCerts[i]->getSubjectName());
Sequence<sal_Int8> data = seqCerts[i]->getEncoded();
PCCERT_CONTEXT cert = CertCreateCertificateContext(
X509_ASN_ENCODING, ( const BYTE* )&data[0], data.getLength());
//Adding the certificate creates a copy and not just increases the ref count
//Therefore we free later the certificate that we now add
CertAddCertificateContextToStore(store, cert, CERT_STORE_ADD_ALWAYS, NULL);
CertFreeCertificateContext(cert);
}
return store;
}
//We return only valid or invalid, as long as the API documentation expresses
//explicitly that all validation steps are carried out even if one or several
//errors occur. See also
//http://wiki.openoffice.org/wiki/Certificate_Path_Validation#Validation_status
sal_Int32 SecurityEnvironment_MSCryptImpl::verifyCertificate(
const Reference< css::security::XCertificate >& aCert,
const Sequence< Reference< css::security::XCertificate > >& seqCerts)
throw( css::uno::SecurityException, css::uno::RuntimeException )
{
sal_Int32 validity = 0;
PCCERT_CHAIN_CONTEXT pChainContext = NULL;
PCCERT_CONTEXT pCertContext = NULL;
const X509Certificate_MSCryptImpl* xcert = NULL;
Reference< XUnoTunnel > xCertTunnel( aCert, UNO_QUERY ) ;
if( !xCertTunnel.is() ) {
throw RuntimeException() ;
}
SAL_INFO("xmlsecurity.xmlsec", "Start verification of certificate: " << aCert->getSubjectName());
xcert = ( X509Certificate_MSCryptImpl* )xCertTunnel->getSomething( X509Certificate_MSCryptImpl::getUnoTunnelId() ) ;
if( xcert == NULL ) {
throw RuntimeException() ;
}
pCertContext = xcert->getMswcryCert() ;
CERT_ENHKEY_USAGE enhKeyUsage ;
CERT_USAGE_MATCH certUsage ;
CERT_CHAIN_PARA chainPara ;
memset(&chainPara, 0, sizeof(CERT_CHAIN_PARA));
//Prepare parameter for CertGetCertificateChain
enhKeyUsage.cUsageIdentifier = 0 ;
enhKeyUsage.rgpszUsageIdentifier = NULL ;
certUsage.dwType = USAGE_MATCH_TYPE_AND ;
certUsage.Usage = enhKeyUsage ;
chainPara.cbSize = sizeof( CERT_CHAIN_PARA ) ;
chainPara.RequestedUsage = certUsage ;
HCERTSTORE hCollectionStore = NULL;
HCERTSTORE hIntermediateCertsStore = NULL;
BOOL bChain = FALSE;
if( pCertContext != NULL )
{
hIntermediateCertsStore =
getCertStoreForIntermediatCerts(seqCerts);
//Merge m_hCertStore and m_hKeyStore and the store of the intermediate
//certificates into one store.
hCollectionStore = CertOpenStore(
CERT_STORE_PROV_COLLECTION ,
0 ,
NULL ,
0 ,
NULL
) ;
if (hCollectionStore != NULL)
{
CertAddStoreToCollection (
hCollectionStore ,
m_hCertStore ,
CERT_PHYSICAL_STORE_ADD_ENABLE_FLAG ,
0) ;
CertAddStoreToCollection (
hCollectionStore ,
m_hCertStore ,
CERT_PHYSICAL_STORE_ADD_ENABLE_FLAG ,
0) ;
CertAddStoreToCollection (
hCollectionStore,
hIntermediateCertsStore,
CERT_PHYSICAL_STORE_ADD_ENABLE_FLAG,
0);
}
//CertGetCertificateChain searches by default in MY, CA, ROOT and TRUST
//We do not check revocation of the root. In most cases there are none.
//Then we would get CERT_TRUST_REVOCATION_STATUS_UNKNOWN
SAL_INFO("xmlsecurity.xmlsec", "Verifying cert using revocation information.");
bChain = CertGetCertificateChain(
NULL ,
pCertContext ,
NULL , //use current system time
hCollectionStore,
&chainPara ,
CERT_CHAIN_REVOCATION_CHECK_CHAIN | CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT,
NULL ,
&pChainContext);
if (bChain && pChainContext->cChain > 0)
{
SAL_INFO("xmlsecurity.xmlsec", "Overall error status (all chains):");
traceTrustStatus(pChainContext->TrustStatus.dwErrorStatus);
//highest quality chains come first
PCERT_SIMPLE_CHAIN pSimpleChain = pChainContext->rgpChain[0];
SAL_INFO("xmlsecurity.xmlsec", "Error status of first chain:");
traceTrustStatus(pSimpleChain->TrustStatus.dwErrorStatus);
//CERT_TRUST_REVOCATION_STATUS_UNKNOWN is also set if a certificate
//has no AIA(OCSP) or CRLDP extension and there is no CRL locally installed.
DWORD revocationFlags = CERT_TRUST_REVOCATION_STATUS_UNKNOWN |
CERT_TRUST_IS_OFFLINE_REVOCATION;
DWORD otherErrorsMask = ~revocationFlags;
if( !(pSimpleChain->TrustStatus.dwErrorStatus & otherErrorsMask))
{
//No errors except maybe those caused by missing revocation information
//Check if there are errors
if ( pSimpleChain->TrustStatus.dwErrorStatus & revocationFlags)
{
//No revocation information. Because MSDN documentation is not
//clear about if all other tests are performed if an error occurs,
//we test again, without requiring revocation checking.
CertFreeCertificateChain(pChainContext);
pChainContext = NULL;
SAL_INFO("xmlsecurity.xmlsec", "Checking again but without requiring revocation information.");
bChain = CertGetCertificateChain(
NULL ,
pCertContext ,
NULL , //use current system time
hCollectionStore,
&chainPara ,
0,
NULL ,
&pChainContext);
if (bChain
&& pChainContext->cChain > 0
&& pChainContext->rgpChain[0]->TrustStatus.dwErrorStatus == CERT_TRUST_NO_ERROR)
{
SAL_INFO("xmlsecurity.xmlsec", "Certificate is valid.");
validity = css::security::CertificateValidity::VALID;
}
else
{
SAL_INFO("xmlsecurity.xmlsec", "Certificate is invalid.");
}
}
else
{
//valid and revocation information available
SAL_INFO("xmlsecurity.xmlsec", "Certificate is valid.");
validity = css::security::CertificateValidity::VALID;
}
}
else
{
//invalid
SAL_INFO("xmlsecurity.xmlsec", "Certificate is invalid.");
validity = css::security::CertificateValidity::INVALID ;
}
}
else
{
SAL_INFO("xmlsecurity.xmlsec", "CertGetCertificateChaine failed.");
}
}
if (pChainContext)
{
CertFreeCertificateChain(pChainContext);
pChainContext = NULL;
}
//Close the additional store, do not destroy the contained certs
CertCloseStore(hCollectionStore, CERT_CLOSE_STORE_CHECK_FLAG);
//Close the temporary store containing the intermediate certificates and make
//sure all certificates are deleted.
CertCloseStore(hIntermediateCertsStore, CERT_CLOSE_STORE_CHECK_FLAG);
return validity ;
}
sal_Int32 SecurityEnvironment_MSCryptImpl::getCertificateCharacters( const css::uno::Reference< css::security::XCertificate >& aCert ) throw( css::uno::SecurityException, css::uno::RuntimeException ) {
sal_Int32 characters ;
PCCERT_CONTEXT pCertContext ;
const X509Certificate_MSCryptImpl* xcert ;
Reference< XUnoTunnel > xCertTunnel( aCert, UNO_QUERY ) ;
if( !xCertTunnel.is() ) {
throw RuntimeException() ;
}
xcert = ( X509Certificate_MSCryptImpl* )xCertTunnel->getSomething( X509Certificate_MSCryptImpl::getUnoTunnelId() ) ;
if( xcert == NULL ) {
throw RuntimeException() ;
}
pCertContext = xcert->getMswcryCert() ;
characters = 0x00000000 ;
//Firstly, make sentence whether or not the cert is self-signed.
if( CertCompareCertificateName( X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, &(pCertContext->pCertInfo->Subject), &(pCertContext->pCertInfo->Issuer) ) ) {
characters |= css::security::CertificateCharacters::SELF_SIGNED ;
} else {
characters &= ~ css::security::CertificateCharacters::SELF_SIGNED ;
}
//Secondly, make sentence whether or not the cert has a private key.
{
BOOL fCallerFreeProv ;
DWORD dwKeySpec ;
HCRYPTPROV hProv ;
if( CryptAcquireCertificatePrivateKey( pCertContext ,
0 ,
NULL ,
&( hProv ) ,
&( dwKeySpec ) ,
&( fCallerFreeProv ) )
) {
characters |= css::security::CertificateCharacters::HAS_PRIVATE_KEY ;
if( hProv != NULL && fCallerFreeProv )
CryptReleaseContext( hProv, 0 ) ;
} else {
characters &= ~ css::security::CertificateCharacters::HAS_PRIVATE_KEY ;
}
}
return characters ;
}
void SecurityEnvironment_MSCryptImpl::enableDefaultCrypt( sal_Bool enable ) throw( Exception, RuntimeException ) {
m_bEnableDefault = enable ;
}
sal_Bool SecurityEnvironment_MSCryptImpl::defaultEnabled() throw( Exception, RuntimeException ) {
return m_bEnableDefault ;
}
X509Certificate_MSCryptImpl* MswcryCertContextToXCert( PCCERT_CONTEXT cert )
{
X509Certificate_MSCryptImpl* xcert ;
if( cert != NULL ) {
xcert = new X509Certificate_MSCryptImpl() ;
xcert->setMswcryCert( cert ) ;
} else {
xcert = NULL ;
}
return xcert ;
}
OUString SecurityEnvironment_MSCryptImpl::getSecurityEnvironmentInformation() throw( css::uno::RuntimeException )
{
return OUString("Microsoft Crypto API");
}
/* Native methods */
xmlSecKeysMngrPtr SecurityEnvironment_MSCryptImpl::createKeysManager() throw( Exception, RuntimeException ) {
unsigned int i ;
HCRYPTKEY symKey ;
HCRYPTKEY pubKey ;
HCRYPTKEY priKey ;
xmlSecKeysMngrPtr pKeysMngr = NULL ;
/*-
* The following lines is based on the of xmlsec-mscrypto crypto engine
*/
pKeysMngr = xmlSecMSCryptoAppliedKeysMngrCreate( m_hKeyStore , m_hCertStore ) ;
if( pKeysMngr == NULL )
throw RuntimeException() ;
/*-
* Adopt symmetric key into keys manager
*/
for( i = 0 ; ( symKey = getSymKey( i ) ) != NULL ; i ++ ) {
if( xmlSecMSCryptoAppliedKeysMngrSymKeyLoad( pKeysMngr, symKey ) < 0 ) {
throw RuntimeException() ;
}
}
/*-
* Adopt asymmetric public key into keys manager
*/
for( i = 0 ; ( pubKey = getPubKey( i ) ) != NULL ; i ++ ) {
if( xmlSecMSCryptoAppliedKeysMngrPubKeyLoad( pKeysMngr, pubKey ) < 0 ) {
throw RuntimeException() ;
}
}
/*-
* Adopt asymmetric private key into keys manager
*/
for( i = 0 ; ( priKey = getPriKey( i ) ) != NULL ; i ++ ) {
if( xmlSecMSCryptoAppliedKeysMngrPriKeyLoad( pKeysMngr, priKey ) < 0 ) {
throw RuntimeException() ;
}
}
/*-
* Adopt system default certificate store.
*/
if( defaultEnabled() ) {
//Add system key store into the keys manager.
m_hMySystemStore = CertOpenSystemStore( 0, "MY" ) ;
if( m_hMySystemStore != NULL ) {
if( xmlSecMSCryptoAppliedKeysMngrAdoptKeyStore( pKeysMngr, m_hMySystemStore ) < 0 ) {
CertCloseStore( m_hMySystemStore, CERT_CLOSE_STORE_CHECK_FLAG ) ;
m_hMySystemStore = NULL;
throw RuntimeException() ;
}
}
//Add system root store into the keys manager.
m_hRootSystemStore = CertOpenSystemStore( 0, "Root" ) ;
if( m_hRootSystemStore != NULL ) {
if( xmlSecMSCryptoAppliedKeysMngrAdoptTrustedStore( pKeysMngr, m_hRootSystemStore ) < 0 ) {
CertCloseStore( m_hRootSystemStore, CERT_CLOSE_STORE_CHECK_FLAG ) ;
m_hRootSystemStore = NULL;
throw RuntimeException() ;
}
}
//Add system trusted store into the keys manager.
m_hTrustSystemStore = CertOpenSystemStore( 0, "Trust" ) ;
if( m_hTrustSystemStore != NULL ) {
if( xmlSecMSCryptoAppliedKeysMngrAdoptUntrustedStore( pKeysMngr, m_hTrustSystemStore ) < 0 ) {
CertCloseStore( m_hTrustSystemStore, CERT_CLOSE_STORE_CHECK_FLAG ) ;
m_hTrustSystemStore = NULL;
throw RuntimeException() ;
}
}
//Add system CA store into the keys manager.
m_hCaSystemStore = CertOpenSystemStore( 0, "CA" ) ;
if( m_hCaSystemStore != NULL ) {
if( xmlSecMSCryptoAppliedKeysMngrAdoptUntrustedStore( pKeysMngr, m_hCaSystemStore ) < 0 ) {
CertCloseStore( m_hCaSystemStore, CERT_CLOSE_STORE_CHECK_FLAG ) ;
m_hCaSystemStore = NULL;
throw RuntimeException() ;
}
}
}
return pKeysMngr ;
}
void SecurityEnvironment_MSCryptImpl::destroyKeysManager(xmlSecKeysMngrPtr pKeysMngr) throw( Exception, RuntimeException ) {
if( pKeysMngr != NULL ) {
xmlSecKeysMngrDestroy( pKeysMngr ) ;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */