/* -*- 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 "nssrenam.h" #include #include #include #include #include #include #include #include #include #include "x509certificate_nssimpl.hxx" #include #include "sanextension_nssimpl.hxx" #include #include using namespace ::com::sun::star; using namespace ::com::sun::star::uno ; using namespace ::com::sun::star::security ; using ::com::sun::star::security::XCertificate ; using ::com::sun::star::util::DateTime ; X509Certificate_NssImpl::X509Certificate_NssImpl() : m_pCert(nullptr) { } X509Certificate_NssImpl::~X509Certificate_NssImpl() { if( m_pCert != nullptr ) { CERT_DestroyCertificate( m_pCert ) ; } } //Methods from XCertificate sal_Int16 SAL_CALL X509Certificate_NssImpl::getVersion() { if( m_pCert != nullptr ) { if( m_pCert->version.len > 0 ) { return static_cast(*( m_pCert->version.data )) ; } else return 0 ; } else { return -1 ; } } css::uno::Sequence< sal_Int8 > SAL_CALL X509Certificate_NssImpl::getSerialNumber() { if( m_pCert != nullptr && m_pCert->serialNumber.len > 0 ) { Sequence< sal_Int8 > serial( m_pCert->serialNumber.len ) ; for( unsigned int i = 0 ; i < m_pCert->serialNumber.len ; i ++ ) serial[i] = *( m_pCert->serialNumber.data + i ) ; return serial ; } else { return css::uno::Sequence< sal_Int8 >(); } } OUString SAL_CALL X509Certificate_NssImpl::getIssuerName() { if( m_pCert != nullptr ) { return OUString(m_pCert->issuerName , PL_strlen(m_pCert->issuerName) , RTL_TEXTENCODING_UTF8) ; } else { return OUString() ; } } OUString SAL_CALL X509Certificate_NssImpl::getSubjectName() { if( m_pCert != nullptr ) { return OUString(m_pCert->subjectName , PL_strlen(m_pCert->subjectName) , RTL_TEXTENCODING_UTF8); } else { return OUString() ; } } css::util::DateTime SAL_CALL X509Certificate_NssImpl::getNotValidBefore() { if( m_pCert != nullptr ) { SECStatus rv ; PRTime notBefore ; PRExplodedTime explTime ; DateTime dateTime ; rv = DER_DecodeTimeChoice( ¬Before, &m_pCert->validity.notBefore ) ; if( rv ) { return DateTime() ; } //Convert the time to readable local time PR_ExplodeTime( notBefore, PR_LocalTimeParameters, &explTime ) ; dateTime.NanoSeconds = static_cast< sal_Int32 >( explTime.tm_usec * ::tools::Time::nanoPerMicro ); dateTime.Seconds = static_cast< sal_Int16 >( explTime.tm_sec ); dateTime.Minutes = static_cast< sal_Int16 >( explTime.tm_min ); dateTime.Hours = static_cast< sal_Int16 >( explTime.tm_hour ); dateTime.Day = static_cast< sal_Int16 >( explTime.tm_mday ); dateTime.Month = static_cast< sal_Int16 >( explTime.tm_month+1 ); dateTime.Year = static_cast< sal_Int16 >( explTime.tm_year ); return dateTime ; } else { return DateTime() ; } } css::util::DateTime SAL_CALL X509Certificate_NssImpl::getNotValidAfter() { if( m_pCert != nullptr ) { SECStatus rv ; PRTime notAfter ; PRExplodedTime explTime ; DateTime dateTime ; rv = DER_DecodeTimeChoice( ¬After, &m_pCert->validity.notAfter ) ; if( rv ) { return DateTime() ; } //Convert the time to readable local time PR_ExplodeTime( notAfter, PR_LocalTimeParameters, &explTime ) ; dateTime.NanoSeconds = static_cast< sal_Int16 >( explTime.tm_usec * ::tools::Time::nanoPerMicro ); dateTime.Seconds = static_cast< sal_Int16 >( explTime.tm_sec ); dateTime.Minutes = static_cast< sal_Int16 >( explTime.tm_min ); dateTime.Hours = static_cast< sal_Int16 >( explTime.tm_hour ); dateTime.Day = static_cast< sal_Int16 >( explTime.tm_mday ); dateTime.Month = static_cast< sal_Int16 >( explTime.tm_month+1 ); dateTime.Year = static_cast< sal_Int16 >( explTime.tm_year ); return dateTime ; } else { return DateTime() ; } } css::uno::Sequence< sal_Int8 > SAL_CALL X509Certificate_NssImpl::getIssuerUniqueID() { if( m_pCert != nullptr && m_pCert->issuerID.len > 0 ) { Sequence< sal_Int8 > issuerUid( m_pCert->issuerID.len ) ; for( unsigned int i = 0 ; i < m_pCert->issuerID.len ; i ++ ) issuerUid[i] = *( m_pCert->issuerID.data + i ) ; return issuerUid ; } else { return css::uno::Sequence< sal_Int8 >(); } } css::uno::Sequence< sal_Int8 > SAL_CALL X509Certificate_NssImpl::getSubjectUniqueID() { if( m_pCert != nullptr && m_pCert->subjectID.len > 0 ) { Sequence< sal_Int8 > subjectUid( m_pCert->subjectID.len ) ; for( unsigned int i = 0 ; i < m_pCert->subjectID.len ; i ++ ) subjectUid[i] = *( m_pCert->subjectID.data + i ) ; return subjectUid ; } else { return css::uno::Sequence< sal_Int8 >(); } } css::uno::Sequence< css::uno::Reference< css::security::XCertificateExtension > > SAL_CALL X509Certificate_NssImpl::getExtensions() { if( m_pCert != nullptr && m_pCert->extensions != nullptr ) { CERTCertExtension** extns ; int len ; for( len = 0, extns = m_pCert->extensions; *extns != nullptr; len ++, extns ++ ) ; Sequence< Reference< XCertificateExtension > > xExtns( len ) ; for( extns = m_pCert->extensions, len = 0; *extns != nullptr; extns ++, len ++ ) { const SECItem id = (*extns)->id; OString oidString(CERT_GetOidString(&id)); bool crit; if( (*extns)->critical.data == nullptr ) crit = false ; else crit = (*extns)->critical.data[0] == 0xFF; // remove "OID." prefix if existing OString objID; OString oid("OID."); if (oidString.match(oid)) objID = oidString.copy(oid.getLength()); else objID = oidString; unsigned char* value = (*extns)->value.data; unsigned int vlen = (*extns)->value.len; unsigned char* objid = reinterpret_cast(const_cast(objID.getStr())); unsigned int objidlen = objID.getLength(); if (objID == "2.5.29.17") { SanExtensionImpl* pExtn = new SanExtensionImpl; pExtn->setCertExtn(value, vlen, objid, objidlen, crit); xExtns[len] = pExtn ; } else { CertificateExtension_XmlSecImpl* pExtn = new CertificateExtension_XmlSecImpl; pExtn->setCertExtn(value, vlen, objid, objidlen, crit); xExtns[len] = pExtn; } } return xExtns ; } else { return css::uno::Sequence< css::uno::Reference< css::security::XCertificateExtension > > (); } } css::uno::Reference< css::security::XCertificateExtension > SAL_CALL X509Certificate_NssImpl::findCertificateExtension( const css::uno::Sequence< sal_Int8 >& oid ) { if( m_pCert != nullptr && m_pCert->extensions != nullptr ) { CERTCertExtension** extns ; SECItem idItem ; idItem.data = reinterpret_cast(const_cast(oid.getConstArray())); idItem.len = oid.getLength() ; css::uno::Reference xExtn; for( extns = m_pCert->extensions; *extns != nullptr; extns ++ ) { if( SECITEM_CompareItem( &idItem, &(*extns)->id ) == SECEqual ) { const SECItem id = (*extns)->id; OString objId(CERT_GetOidString(&id)); bool crit; if( (*extns)->critical.data == nullptr ) crit = false ; else crit = (*extns)->critical.data[0] == 0xFF; unsigned char* value = (*extns)->value.data; unsigned int vlen = (*extns)->value.len; unsigned char* objid = (*extns)->id.data; unsigned int objidlen = (*extns)->id.len; if ( objId == "OID.2.5.29.17" ) { rtl::Reference xSanImpl( new SanExtensionImpl); xSanImpl->setCertExtn(value, vlen, objid, objidlen, crit); xExtn = xSanImpl.get(); } else { rtl::Reference xSecImpl( new CertificateExtension_XmlSecImpl); xSecImpl->setCertExtn(value, vlen, objid, objidlen, crit); xExtn = xSecImpl.get(); } break; } } return xExtn; } else { return nullptr ; } } css::uno::Sequence< sal_Int8 > SAL_CALL X509Certificate_NssImpl::getEncoded() { if( m_pCert != nullptr && m_pCert->derCert.len > 0 ) { Sequence< sal_Int8 > rawCert( m_pCert->derCert.len ) ; for( unsigned int i = 0 ; i < m_pCert->derCert.len ; i ++ ) rawCert[i] = *( m_pCert->derCert.data + i ) ; return rawCert ; } else { return css::uno::Sequence< sal_Int8 >(); } } //Helper methods void X509Certificate_NssImpl::setCert( CERTCertificate* cert ) { if( m_pCert != nullptr ) { CERT_DestroyCertificate( m_pCert ) ; m_pCert = nullptr ; } if( cert != nullptr ) { m_pCert = CERT_DupCertificate( cert ) ; } } const CERTCertificate* X509Certificate_NssImpl::getNssCert() const { if( m_pCert != nullptr ) { return m_pCert ; } else { return nullptr ; } } void X509Certificate_NssImpl::setRawCert( const Sequence< sal_Int8 >& rawCert ) { CERTCertificate* cert ; SECItem certItem ; certItem.data = reinterpret_cast(const_cast(rawCert.getConstArray())); certItem.len = rawCert.getLength() ; cert = CERT_DecodeDERCertificate( &certItem, PR_TRUE, nullptr ) ; if( cert == nullptr ) throw RuntimeException() ; if( m_pCert != nullptr ) { CERT_DestroyCertificate( m_pCert ) ; m_pCert = nullptr ; } m_pCert = cert ; } SECKEYPrivateKey* X509Certificate_NssImpl::getPrivateKey() { if (m_pCert && m_pCert->slot) { SECKEYPrivateKey* pPrivateKey = PK11_FindPrivateKeyFromCert(m_pCert->slot, m_pCert, nullptr); if (pPrivateKey) return pPrivateKey; } return nullptr; } /* XUnoTunnel */ sal_Int64 SAL_CALL X509Certificate_NssImpl::getSomething( const Sequence< sal_Int8 >& aIdentifier ) { if( isUnoTunnelId(aIdentifier) ) { return sal::static_int_cast(reinterpret_cast(this)); } return 0 ; } /* XUnoTunnel extension */ namespace { class theX509Certificate_NssImplUnoTunnelId : public rtl::Static< UnoTunnelIdInit, theX509Certificate_NssImplUnoTunnelId > {}; } const Sequence< sal_Int8>& X509Certificate_NssImpl::getUnoTunnelId() { return theX509Certificate_NssImplUnoTunnelId::get().getSeq(); } static OUString getAlgorithmDescription(SECAlgorithmID const *aid) { SECOidTag tag; tag = SECOID_GetAlgorithmTag(aid); const char *pDesc = SECOID_FindOIDTagDescription(tag); return OUString::createFromAscii( pDesc ) ; } static css::uno::Sequence< sal_Int8 > getThumbprint(CERTCertificate const *pCert, SECOidTag id) { if( pCert != nullptr ) { SECStatus rv; unsigned char fingerprint[32]; int length = 0; switch (id) { case SEC_OID_MD5: length = MD5_LENGTH; break; case SEC_OID_SHA1: length = SHA1_LENGTH; break; case SEC_OID_SHA256: length = SHA256_LENGTH; break; default: break; } memset(fingerprint, 0, sizeof fingerprint); rv = PK11_HashBuf(id, fingerprint, pCert->derCert.data, pCert->derCert.len); if(rv == SECSuccess) { Sequence< sal_Int8 > thumbprint( length ) ; for( int i = 0 ; i < length ; i ++ ) thumbprint[i] = fingerprint[i]; return thumbprint; } } return css::uno::Sequence< sal_Int8 >(); } OUString SAL_CALL X509Certificate_NssImpl::getSubjectPublicKeyAlgorithm() { if( m_pCert != nullptr ) { return getAlgorithmDescription(&(m_pCert->subjectPublicKeyInfo.algorithm)); } else { return OUString() ; } } css::uno::Sequence< sal_Int8 > SAL_CALL X509Certificate_NssImpl::getSubjectPublicKeyValue() { if( m_pCert != nullptr ) { SECItem spk = m_pCert->subjectPublicKeyInfo.subjectPublicKey; DER_ConvertBitString(&spk); if ( spk.len>0) { Sequence< sal_Int8 > key( spk.len ) ; for( unsigned int i = 0 ; i < spk.len ; i ++ ) { key[i] = *( spk.data + i ) ; } return key ; } } return css::uno::Sequence< sal_Int8 >(); } OUString SAL_CALL X509Certificate_NssImpl::getSignatureAlgorithm() { if( m_pCert != nullptr ) { return getAlgorithmDescription(&(m_pCert->signature)); } else { return OUString() ; } } svl::crypto::SignatureMethodAlgorithm X509Certificate_NssImpl::getSignatureMethodAlgorithm() { svl::crypto::SignatureMethodAlgorithm nRet = svl::crypto::SignatureMethodAlgorithm::RSA; if (!m_pCert) return nRet; SECOidTag eTag = SECOID_GetAlgorithmTag(&m_pCert->subjectPublicKeyInfo.algorithm); if (eTag == SEC_OID_ANSIX962_EC_PUBLIC_KEY) nRet = svl::crypto::SignatureMethodAlgorithm::ECDSA; return nRet; } css::uno::Sequence< sal_Int8 > SAL_CALL X509Certificate_NssImpl::getSHA1Thumbprint() { return getThumbprint(m_pCert, SEC_OID_SHA1); } uno::Sequence X509Certificate_NssImpl::getSHA256Thumbprint() { return getThumbprint(m_pCert, SEC_OID_SHA256); } css::uno::Sequence< sal_Int8 > SAL_CALL X509Certificate_NssImpl::getMD5Thumbprint() { return getThumbprint(m_pCert, SEC_OID_MD5); } CertificateKind SAL_CALL X509Certificate_NssImpl::getCertificateKind() { return CertificateKind_X509; } sal_Int32 SAL_CALL X509Certificate_NssImpl::getCertificateUsage( ) { SECStatus rv; SECItem tmpitem; sal_Int32 usage; rv = CERT_FindKeyUsageExtension(m_pCert, &tmpitem); if ( rv == SECSuccess ) { usage = tmpitem.data[0]; PORT_Free(tmpitem.data); tmpitem.data = nullptr; } else { usage = KU_ALL; } /* * to make the nss implementation compatible with MSCrypto, * the following usage is ignored * * if ( CERT_GovtApprovedBitSet(m_pCert) ) { usage |= KU_NS_GOVT_APPROVED; } */ return usage; } /* XServiceInfo */ OUString SAL_CALL X509Certificate_NssImpl::getImplementationName() { return "com.sun.star.xml.security.gpg.XCertificate_NssImpl"; } /* XServiceInfo */ sal_Bool SAL_CALL X509Certificate_NssImpl::supportsService(const OUString& serviceName) { return cppu::supportsService(this, serviceName); } /* XServiceInfo */ Sequence SAL_CALL X509Certificate_NssImpl::getSupportedServiceNames() { return { OUString() }; 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