xmlsecurity/source/xmlsec/mscrypt/seinitializer_mscryptimpl.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #include "seinitializer_mscryptimpl.hxx"
  23
  24 #include "securityenvironment_mscryptimpl.hxx"
  25
  26 #include <xmlsec/mscng/app.h>
  27 #include <com/sun/star/xml/crypto/SecurityEnvironment.hpp>
  28 #include <com/sun/star/xml/crypto/XMLSecurityContext.hpp>
  29 #include <cppuhelper/supportsservice.hxx>
  30 #include <o3tl/char16_t2wchar_t.hxx>
  31 #include <svl/cryptosign.hxx>
  32
  33 using namespace com::sun::star;
  34 namespace cssl = com::sun::star::lang;
  35 namespace cssxc = com::sun::star::xml::crypto;
  36
  37 SEInitializer_MSCryptImpl::SEInitializer_MSCryptImpl(
  38     const uno::Reference< uno::XComponentContext > &rxContext)
  39     :mxContext( rxContext )
  40 {
  41 }
  42
  43 SEInitializer_MSCryptImpl::~SEInitializer_MSCryptImpl()
  44 {
  45 }
  46
  47 /* XSEInitializer */
  48 uno::Reference< cssxc::XXMLSecurityContext > SAL_CALL
  49     SEInitializer_MSCryptImpl::createSecurityContext(
  50     const OUString& sCertDB )
  51 {
  52     const char* n_pCertStore ;
  53     HCERTSTORE  n_hStoreHandle ;
  54     OString sCertDir;
  55
  56     //Initialize the crypto engine
  57     if( sCertDB.getLength() > 0 )
  58     {
  59         sCertDir = OUStringToOString(sCertDB, RTL_TEXTENCODING_ASCII_US);
  60         n_pCertStore = sCertDir.getStr();
  61         n_hStoreHandle = CertOpenSystemStoreW( 0, o3tl::toW(sCertDB.getStr())) ;
  62         if( n_hStoreHandle == nullptr )
  63         {
  64             return nullptr;
  65         }
  66     }
  67     else
  68     {
  69         n_pCertStore = nullptr ;
  70         n_hStoreHandle = nullptr ;
  71     }
  72
  73     xmlSecMSCngAppInit(n_pCertStore);
  74
  75     try {
  76         /* Build Security Environment */
  77         uno::Reference< cssxc::XSecurityEnvironment > xSecEnv = cssxc::SecurityEnvironment::create( mxContext );
  78
  79         /* Setup key slot and certDb */
  80         SecurityEnvironment_MSCryptImpl* pSecEnv = dynamic_cast<SecurityEnvironment_MSCryptImpl*>(xSecEnv.get());
  81         if( pSecEnv == nullptr )
  82         {
  83             if( n_hStoreHandle != nullptr )
  84             {
  85                 CertCloseStore( n_hStoreHandle, CERT_CLOSE_STORE_FORCE_FLAG ) ;
  86             }
  87
  88             xmlSecMSCngAppShutdown();
  89             return nullptr;
  90         }
  91
  92         if( n_hStoreHandle != nullptr )
  93         {
  94             pSecEnv->setCryptoSlot( n_hStoreHandle ) ;
  95             pSecEnv->setCertDb( n_hStoreHandle ) ;
  96         }
  97         else
  98         {
  99             pSecEnv->enableDefaultCrypt( true ) ;
 100         }
 101
 102         /* Build XML Security Context */
 103         uno::Reference< cssxc::XXMLSecurityContext > xSecCtx = cssxc::XMLSecurityContext::create( mxContext );
 104
 105         xSecCtx->setDefaultSecurityEnvironmentIndex(xSecCtx->addSecurityEnvironment( xSecEnv )) ;
 106         return xSecCtx;
 107     }
 108     catch( uno::Exception& )
 109     {
 110         if( n_hStoreHandle != nullptr )
 111         {
 112             CertCloseStore( n_hStoreHandle, CERT_CLOSE_STORE_FORCE_FLAG ) ;
 113         }
 114
 115         xmlSecMSCngAppShutdown();
 116         return nullptr;
 117     }
 118 }
 119
 120 void SAL_CALL SEInitializer_MSCryptImpl::freeSecurityContext( const uno::Reference< cssxc::XXMLSecurityContext >&)
 121 {
 122     /*
 123     uno::Reference< cssxc::XSecurityEnvironment > xSecEnv
 124         = securityContext->getSecurityEnvironment();
 125
 126     if( xSecEnv.is() )
 127     {
 128         uno::Reference< cssl::XUnoTunnel > xEnvTunnel( xSecEnv , uno::UNO_QUERY ) ;
 129         if (auto pSecEnv = comphelper::getFromUnoTunnel<SecurityEnvironment_MSCryptImpl>(xEnvTunnel))
 130         {
 131             HCERTSTORE n_hStoreHandle = pSecEnv->getCryptoSlot();
 132
 133             if( n_hStoreHandle != NULL )
 134             {
 135                 CertCloseStore( n_hStoreHandle, CERT_CLOSE_STORE_FORCE_FLAG ) ;
 136                 pSecEnv->setCryptoSlot( NULL ) ;
 137                 pSecEnv->setCertDb( NULL ) ;
 138             }
 139
 140             xmlSecMSCryptoAppShutdown() ;
 141         }
 142     }
 143     */
 144
 145     xmlSecMSCngAppShutdown();
 146 }
 147
 148 /* XServiceInfo */
 149 OUString SAL_CALL SEInitializer_MSCryptImpl::getImplementationName()
 150 {
 151     return "com.sun.star.xml.crypto.SEInitializer";
 152 }
 153
 154 sal_Bool SAL_CALL SEInitializer_MSCryptImpl::supportsService( const OUString& rServiceName )
 155 {
 156     return cppu::supportsService( this, rServiceName );
 157 }
 158
 159 uno::Sequence< OUString > SAL_CALL SEInitializer_MSCryptImpl::getSupportedServiceNames()
 160 {
 161     return { "com.sun.star.xml.crypto.SEInitializer" };
 162 }
 163
 164 extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
 165 com_sun_star_xml_crypto_SEInitializer_get_implementation(
 166     uno::XComponentContext* pCtx, uno::Sequence<uno::Any> const& /*rSeq*/)
 167 {
 168     return cppu::acquire(new SEInitializer_MSCryptImpl(pCtx));
 169 }
 170
 171 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */