xref: /AOO41X/main/xmlsecurity/source/xmlsec/nss/xmlsignature_nssimpl.cxx (revision 06b3ce531745799678cf4bb887ef37436d81238b)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_xmlsecurity.hxx"
26 #include <sal/config.h>
27 #include <rtl/uuid.h>
28 #include "xmlsignature_nssimpl.hxx"
29 
30 #ifndef _XMLDOCUMENTWRAPPER_XMLSECIMPL_HXX_
31 #include "xmldocumentwrapper_xmlsecimpl.hxx"
32 #endif
33 
34 #ifndef _XMLELEMENTWRAPPER_XMLSECIMPL_HXX_
35 #include "xmlelementwrapper_xmlsecimpl.hxx"
36 #endif
37 
38 #ifndef _SECURITYENVIRONMENT_NSSIMPL_HXX_
39 #include "securityenvironment_nssimpl.hxx"
40 #endif
41 
42 #ifndef _XMLSECURITYCONTEXT_NSSIMPL_HXX_
43 #include "xmlsecuritycontext_nssimpl.hxx"
44 #endif
45 #include "xmlstreamio.hxx"
46 #include "errorcallback.hxx"
47 
48 #include <sal/types.h>
49 //For reasons that escape me, this is what xmlsec does when size_t is not 4
50 #if SAL_TYPES_SIZEOFPOINTER != 4
51 #    define XMLSEC_NO_SIZE_T
52 #endif
53 #include "xmlsec/xmlsec.h"
54 #include "xmlsec/xmldsig.h"
55 #include "xmlsec/crypto.h"
56 
57 using namespace ::com::sun::star::uno ;
58 using namespace ::com::sun::star::lang ;
59 using ::com::sun::star::lang::XMultiServiceFactory ;
60 using ::com::sun::star::lang::XSingleServiceFactory ;
61 using ::rtl::OUString ;
62 
63 using ::com::sun::star::xml::wrapper::XXMLElementWrapper ;
64 using ::com::sun::star::xml::wrapper::XXMLDocumentWrapper ;
65 using ::com::sun::star::xml::crypto::XSecurityEnvironment ;
66 using ::com::sun::star::xml::crypto::XXMLSignature ;
67 using ::com::sun::star::xml::crypto::XXMLSignatureTemplate ;
68 using ::com::sun::star::xml::crypto::XSecurityEnvironment ;
69 using ::com::sun::star::xml::crypto::XXMLSecurityContext ;
70 using ::com::sun::star::xml::crypto::XUriBinding ;
71 using ::com::sun::star::xml::crypto::XMLSignatureException ;
72 
XMLSignature_NssImpl(const Reference<XMultiServiceFactory> & aFactory)73 XMLSignature_NssImpl :: XMLSignature_NssImpl( const Reference< XMultiServiceFactory >& aFactory ) : m_xServiceManager( aFactory ) {
74 }
75 
~XMLSignature_NssImpl()76 XMLSignature_NssImpl :: ~XMLSignature_NssImpl() {
77 }
78 
79 /* XXMLSignature */
80 Reference< XXMLSignatureTemplate >
generate(const Reference<XXMLSignatureTemplate> & aTemplate,const Reference<XSecurityEnvironment> & aEnvironment)81 SAL_CALL XMLSignature_NssImpl :: generate(
82     const Reference< XXMLSignatureTemplate >& aTemplate ,
83     const Reference< XSecurityEnvironment >& aEnvironment
84 ) throw( com::sun::star::xml::crypto::XMLSignatureException,
85          com::sun::star::uno::SecurityException )
86 {
87     xmlSecKeysMngrPtr pMngr = NULL ;
88     xmlSecDSigCtxPtr pDsigCtx = NULL ;
89     xmlNodePtr pNode = NULL ;
90 
91     if( !aTemplate.is() )
92         throw RuntimeException() ;
93 
94     if( !aEnvironment.is() )
95         throw RuntimeException() ;
96 
97     //Get the xml node
98     Reference< XXMLElementWrapper > xElement = aTemplate->getTemplate() ;
99     if( !xElement.is() ) {
100         throw RuntimeException() ;
101     }
102 
103     Reference< XUnoTunnel > xNodTunnel( xElement , UNO_QUERY ) ;
104     if( !xNodTunnel.is() ) {
105         throw RuntimeException() ;
106     }
107 
108     XMLElementWrapper_XmlSecImpl* pElement =
109         reinterpret_cast<XMLElementWrapper_XmlSecImpl*>(
110             sal::static_int_cast<sal_uIntPtr>(
111                 xNodTunnel->getSomething( XMLElementWrapper_XmlSecImpl::getUnoTunnelImplementationId() )));
112     if( pElement == NULL ) {
113         throw RuntimeException() ;
114     }
115 
116     pNode = pElement->getNativeElement() ;
117 
118     //Get the stream/URI binding
119     Reference< XUriBinding > xUriBinding = aTemplate->getBinding() ;
120     if( xUriBinding.is() ) {
121         //Register the stream input callbacks into libxml2
122         if( xmlRegisterStreamInputCallbacks( xUriBinding ) < 0 )
123             throw RuntimeException() ;
124     }
125 
126     //Get Keys Manager
127     Reference< XUnoTunnel > xSecTunnel( aEnvironment , UNO_QUERY ) ;
128     if( !xSecTunnel.is() ) {
129          throw RuntimeException() ;
130     }
131 
132 #if 0 //i39448 : the key manager should be retrieved from SecurityEnvironment, instead of SecurityContext
133     XMLSecurityContext_NssImpl* pSecCtxt = ( XMLSecurityContext_NssImpl* )xSecTunnel->getSomething( XMLSecurityContext_NssImpl::getUnoTunnelId() ) ;
134     if( pSecCtxt == NULL )
135         throw RuntimeException() ;
136 #endif
137 
138     SecurityEnvironment_NssImpl* pSecEnv =
139         reinterpret_cast<SecurityEnvironment_NssImpl*>(
140             sal::static_int_cast<sal_uIntPtr>(
141                 xSecTunnel->getSomething( SecurityEnvironment_NssImpl::getUnoTunnelId() )));
142     if( pSecEnv == NULL )
143         throw RuntimeException() ;
144 
145     setErrorRecorder();
146 
147     pMngr = pSecEnv->createKeysManager() ; //i39448
148     if( !pMngr ) {
149         throw RuntimeException() ;
150     }
151 
152     //Create Signature context
153     pDsigCtx = xmlSecDSigCtxCreate( pMngr ) ;
154     if( pDsigCtx == NULL )
155     {
156         pSecEnv->destroyKeysManager( pMngr ) ; //i39448
157         //throw XMLSignatureException() ;
158         clearErrorRecorder();
159         return aTemplate;
160     }
161 
162     //Sign the template
163     if( xmlSecDSigCtxSign( pDsigCtx , pNode ) == 0 )
164     {
165         if (pDsigCtx->status == xmlSecDSigStatusSucceeded)
166             aTemplate->setStatus(com::sun::star::xml::crypto::SecurityOperationStatus_OPERATION_SUCCEEDED);
167         else
168             aTemplate->setStatus(com::sun::star::xml::crypto::SecurityOperationStatus_UNKNOWN);
169     }
170     else
171     {
172         aTemplate->setStatus(com::sun::star::xml::crypto::SecurityOperationStatus_UNKNOWN);
173     }
174 
175 
176     xmlSecDSigCtxDestroy( pDsigCtx ) ;
177     pSecEnv->destroyKeysManager( pMngr ) ; //i39448
178 
179     //Unregistered the stream/URI binding
180     if( xUriBinding.is() )
181         xmlUnregisterStreamInputCallbacks() ;
182 
183     clearErrorRecorder();
184     return aTemplate ;
185 }
186 
187 /* XXMLSignature */
188 Reference< XXMLSignatureTemplate >
validate(const Reference<XXMLSignatureTemplate> & aTemplate,const Reference<XXMLSecurityContext> & aSecurityCtx)189 SAL_CALL XMLSignature_NssImpl :: validate(
190     const Reference< XXMLSignatureTemplate >& aTemplate ,
191     const Reference< XXMLSecurityContext >& aSecurityCtx
192 ) throw( com::sun::star::uno::RuntimeException,
193          com::sun::star::uno::SecurityException,
194          com::sun::star::xml::crypto::XMLSignatureException ) {
195     xmlSecKeysMngrPtr pMngr = NULL ;
196     xmlSecDSigCtxPtr pDsigCtx = NULL ;
197     xmlNodePtr pNode = NULL ;
198     //sal_Bool valid ;
199 
200     if( !aTemplate.is() )
201         throw RuntimeException() ;
202 
203     if( !aSecurityCtx.is() )
204         throw RuntimeException() ;
205 
206     //Get the xml node
207     Reference< XXMLElementWrapper > xElement = aTemplate->getTemplate() ;
208     if( !xElement.is() )
209         throw RuntimeException() ;
210 
211     Reference< XUnoTunnel > xNodTunnel( xElement , UNO_QUERY ) ;
212     if( !xNodTunnel.is() ) {
213         throw RuntimeException() ;
214     }
215 
216     XMLElementWrapper_XmlSecImpl* pElement =
217         reinterpret_cast<XMLElementWrapper_XmlSecImpl*>(
218             sal::static_int_cast<sal_uIntPtr>(
219                 xNodTunnel->getSomething( XMLElementWrapper_XmlSecImpl::getUnoTunnelImplementationId() )));
220     if( pElement == NULL )
221         throw RuntimeException() ;
222 
223     pNode = pElement->getNativeElement() ;
224 
225     //Get the stream/URI binding
226     Reference< XUriBinding > xUriBinding = aTemplate->getBinding() ;
227     if( xUriBinding.is() ) {
228         //Register the stream input callbacks into libxml2
229         if( xmlRegisterStreamInputCallbacks( xUriBinding ) < 0 )
230             throw RuntimeException() ;
231     }
232 
233     setErrorRecorder();
234 
235     sal_Int32 nSecurityEnvironment = aSecurityCtx->getSecurityEnvironmentNumber();
236     sal_Int32 i;
237 
238     for (i=0; i<nSecurityEnvironment; ++i)
239     {
240         Reference< XSecurityEnvironment > aEnvironment = aSecurityCtx->getSecurityEnvironmentByIndex(i);
241 
242         //Get Keys Manager
243         Reference< XUnoTunnel > xSecTunnel( aEnvironment , UNO_QUERY ) ;
244         if( !xSecTunnel.is() ) {
245              throw RuntimeException() ;
246         }
247 
248         SecurityEnvironment_NssImpl* pSecEnv =
249             reinterpret_cast<SecurityEnvironment_NssImpl*>(
250                 sal::static_int_cast<sal_uIntPtr>(
251                     xSecTunnel->getSomething( SecurityEnvironment_NssImpl::getUnoTunnelId() )));
252         if( pSecEnv == NULL )
253             throw RuntimeException() ;
254 
255         pMngr = pSecEnv->createKeysManager() ; //i39448
256         if( !pMngr ) {
257             throw RuntimeException() ;
258         }
259 
260         //Create Signature context
261         pDsigCtx = xmlSecDSigCtxCreate( pMngr ) ;
262         if( pDsigCtx == NULL )
263         {
264             pSecEnv->destroyKeysManager( pMngr ) ; //i39448
265             //throw XMLSignatureException() ;
266             clearErrorRecorder();
267             return aTemplate;
268         }
269 
270         //Verify signature
271         int rs = xmlSecDSigCtxVerify( pDsigCtx , pNode );
272 
273 
274         if (rs == 0 &&
275             pDsigCtx->status == xmlSecDSigStatusSucceeded)
276         {
277             aTemplate->setStatus(com::sun::star::xml::crypto::SecurityOperationStatus_OPERATION_SUCCEEDED);
278             xmlSecDSigCtxDestroy( pDsigCtx ) ;
279             pSecEnv->destroyKeysManager( pMngr );
280             break;
281         }
282         else
283         {
284             aTemplate->setStatus(com::sun::star::xml::crypto::SecurityOperationStatus_UNKNOWN);
285         }
286         xmlSecDSigCtxDestroy( pDsigCtx ) ;
287         pSecEnv->destroyKeysManager( pMngr );
288     }
289 
290 
291 
292     //Unregistered the stream/URI binding
293     if( xUriBinding.is() )
294         xmlUnregisterStreamInputCallbacks() ;
295 
296     //return valid ;
297     clearErrorRecorder();
298     return aTemplate;
299 }
300 
301 /* XInitialization */
initialize(const Sequence<Any> &)302 void SAL_CALL XMLSignature_NssImpl :: initialize( const Sequence< Any >& /*aArguments*/ ) throw( Exception, RuntimeException ) {
303     // TBD
304 } ;
305 
306 /* XServiceInfo */
getImplementationName()307 OUString SAL_CALL XMLSignature_NssImpl :: getImplementationName() throw( RuntimeException ) {
308     return impl_getImplementationName() ;
309 }
310 
311 /* XServiceInfo */
supportsService(const OUString & serviceName)312 sal_Bool SAL_CALL XMLSignature_NssImpl :: supportsService( const OUString& serviceName) throw( RuntimeException ) {
313     Sequence< OUString > seqServiceNames = getSupportedServiceNames() ;
314     const OUString* pArray = seqServiceNames.getConstArray() ;
315     for( sal_Int32 i = 0 ; i < seqServiceNames.getLength() ; i ++ ) {
316         if( *( pArray + i ) == serviceName )
317             return sal_True ;
318     }
319     return sal_False ;
320 }
321 
322 /* XServiceInfo */
getSupportedServiceNames()323 Sequence< OUString > SAL_CALL XMLSignature_NssImpl :: getSupportedServiceNames() throw( RuntimeException ) {
324     return impl_getSupportedServiceNames() ;
325 }
326 
327 //Helper for XServiceInfo
impl_getSupportedServiceNames()328 Sequence< OUString > XMLSignature_NssImpl :: impl_getSupportedServiceNames() {
329     ::osl::Guard< ::osl::Mutex > aGuard( ::osl::Mutex::getGlobalMutex() ) ;
330     Sequence< OUString > seqServiceNames( 1 ) ;
331     seqServiceNames.getArray()[0] = OUString::createFromAscii( "com.sun.star.xml.crypto.XMLSignature" ) ;
332     return seqServiceNames ;
333 }
334 
impl_getImplementationName()335 OUString XMLSignature_NssImpl :: impl_getImplementationName() throw( RuntimeException ) {
336     return OUString::createFromAscii( "com.sun.star.xml.security.bridge.xmlsec.XMLSignature_NssImpl" ) ;
337 }
338 
339 //Helper for registry
impl_createInstance(const Reference<XMultiServiceFactory> & aServiceManager)340 Reference< XInterface > SAL_CALL XMLSignature_NssImpl :: impl_createInstance( const Reference< XMultiServiceFactory >& aServiceManager ) throw( RuntimeException ) {
341     return Reference< XInterface >( *new XMLSignature_NssImpl( aServiceManager ) ) ;
342 }
343 
impl_createFactory(const Reference<XMultiServiceFactory> & aServiceManager)344 Reference< XSingleServiceFactory > XMLSignature_NssImpl :: impl_createFactory( const Reference< XMultiServiceFactory >& aServiceManager ) {
345     //Reference< XSingleServiceFactory > xFactory ;
346     //xFactory = ::cppu::createSingleFactory( aServiceManager , impl_getImplementationName , impl_createInstance , impl_getSupportedServiceNames ) ;
347     //return xFactory ;
348     return ::cppu::createSingleFactory( aServiceManager , impl_getImplementationName() , impl_createInstance , impl_getSupportedServiceNames() ) ;
349 }
350 
351