xmlsecurityengine/xmlsecwrapper/src/xmlsecwsign.cpp
changeset 0 e35f40988205
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-1:000000000000 0:e35f40988205
       
     1 /*
       
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: Class with methods used in sign and verification process.       
       
    15 *
       
    16 */
       
    17 
       
    18 // XML Engine
       
    19 #include <libxml2_tree.h>
       
    20 #include <libxml2_xmlmemory.h>
       
    21 #include <libxml2_parser.h>
       
    22 #include <libxml2_globals.h>
       
    23 
       
    24 #include <xmlengmem.h>
       
    25 #include <xmlengxestd.h>
       
    26 #include <xmlengutils.h>
       
    27 #include <xmlengxestrings.h>
       
    28 
       
    29 #include <xmlengdom.h>
       
    30 
       
    31 // XML Sec
       
    32 #include "xmlsec_crypto.h"
       
    33 #include "xmlsec_xmlsec.h"
       
    34 #include "xmlsec_xmltree.h"
       
    35 #include "xmlsec_xmldsig.h"
       
    36 #include "xmlsec_templates.h"
       
    37 #include "xmlsecc_x509.h"
       
    38 
       
    39 #include "xmlsecwsign.h"
       
    40 #include "xmlsecwkeymanager.h"
       
    41 #include "xmlsecwerrors.h"
       
    42 #include "xmlsecwdefs.h"
       
    43 #include "xmlsecwtemplate.h"
       
    44 #include "xmlsecwinternalutils.h"
       
    45 #include "xmlsecwglobalstate.h"
       
    46 
       
    47 namespace Sign
       
    48     {
       
    49 // ---------------------------------------------------------------------------
       
    50 // Reset sign ctx
       
    51 // ---------------------------------------------------------------------------
       
    52 // 
       
    53 xmlSecDSigCtxPtr ResetCtxL(xmlSecDSigCtxPtr aCtx, CXmlSecKeyManager* aMngr)
       
    54     {
       
    55     xmlSecKeyPtr tmpKey = NULL;
       
    56     if(!aMngr)
       
    57         {
       
    58         tmpKey = aCtx->signKey;
       
    59         aCtx->signKey = NULL;
       
    60         }
       
    61     // destroy old ctx
       
    62     xmlSecDSigCtxDestroy(aCtx);
       
    63     // create new ctx
       
    64     if(aMngr)
       
    65         {
       
    66         aCtx = xmlSecDSigCtxCreate(aMngr->GetKeyManagerPtr());
       
    67         }
       
    68     else
       
    69         {
       
    70         aCtx = xmlSecDSigCtxCreate(NULL);
       
    71         }
       
    72     // add key if needed
       
    73     if ( !aCtx  ) 
       
    74         {
       
    75         if ( tmpKey ) 
       
    76             {
       
    77 	        xmlSecKeyDestroy( tmpKey );
       
    78             }
       
    79         User::Leave( KErrNoMemory );
       
    80         }
       
    81     
       
    82     aCtx->signKey = tmpKey;
       
    83     tmpKey = NULL;
       
    84     return aCtx;
       
    85     }
       
    86         
       
    87 // ---------------------------------------------------------------------------
       
    88 // Read key from file
       
    89 // ---------------------------------------------------------------------------
       
    90 //  
       
    91 xmlSecKeyPtr ReadKeyFromFileL(const TDesC8& aKeyFile,
       
    92                               const TDesC8& aKeyName,
       
    93                               CXmlSecSign::TXmlSecKeyType aKeyFormat)
       
    94     {
       
    95     if(aKeyFile.Length() == 0)
       
    96         {
       
    97         User::Leave(KErrWrongParameter);
       
    98         }
       
    99     
       
   100     xmlSecKeyPtr keyPtr = NULL;
       
   101     char* file = XmlEngXmlCharFromDes8L(aKeyFile);
       
   102     CleanupStack::PushL(file);
       
   103     char* name = XmlEngXmlCharFromDes8L(aKeyName); 
       
   104     CleanupStack::PushL(name);
       
   105     // load key - used method depend key type
       
   106     if (aKeyFormat == CXmlSecSign::ERSAPrivate)
       
   107         {
       
   108         if(aKeyName.Length() == 0)
       
   109             {
       
   110             User::Leave(KErrWrongParameter);
       
   111             }
       
   112         keyPtr = xmlSecCryptoAppKeyLoadWithName(file, xmlSecKeyDataFormatPkcs8Der,
       
   113                                     name, NULL, NULL, NULL);
       
   114         }
       
   115     else if (aKeyFormat == CXmlSecSign::ERSAPublic)
       
   116         {
       
   117         if(aKeyName.Length() == 0)
       
   118             {
       
   119             User::Leave(KErrWrongParameter);
       
   120             }
       
   121         keyPtr = xmlSecCryptoAppKeyLoadWithName(file, xmlSecKeyDataFormatDer,
       
   122                                     name, NULL, NULL, NULL);
       
   123         }
       
   124     else if (aKeyFormat == CXmlSecSign::EHMAC)
       
   125         keyPtr = xmlSecKeyReadBinaryFile(xmlSecKeyDataHmacId,file);
       
   126 	
       
   127 	if(!keyPtr) 
       
   128         {
       
   129         XmlEngOOMTestL();
       
   130         XmlSecErrorFlagTestL();
       
   131         User::Leave(KErrKey);
       
   132         }
       
   133     const xmlChar* KTmpName = NULL;
       
   134     if(aKeyName.Length())
       
   135         {
       
   136         KTmpName = (xmlChar*) name;
       
   137         }
       
   138     // add key name to key
       
   139     if((aKeyFormat == CXmlSecSign::EHMAC) && (xmlSecKeySetName(keyPtr,KTmpName) < 0))
       
   140         {
       
   141         xmlSecKeyDestroy(keyPtr);
       
   142         XmlEngOOMTestL();
       
   143         XmlSecErrorFlagTestL();
       
   144         User::Leave(KErrKey);
       
   145         }
       
   146         
       
   147     CleanupStack::PopAndDestroy(name);
       
   148     CleanupStack::PopAndDestroy(file);    
       
   149     return keyPtr;
       
   150     }
       
   151 
       
   152 // ---------------------------------------------------------------------------
       
   153 // Read key from buffer
       
   154 // ---------------------------------------------------------------------------
       
   155 // 
       
   156 xmlSecKeyPtr ReadKeyFromBufferL(const TDesC8& aBuffer,
       
   157                                 const TDesC8& aKeyName,
       
   158                                 CXmlSecSign::TXmlSecKeyType aKeyFormat)
       
   159     {
       
   160     if(aBuffer.Length() == 0)
       
   161         {
       
   162         User::Leave(KErrWrongParameter);
       
   163         }
       
   164     char* name = XmlEngXmlCharFromDes8L(aKeyName); 
       
   165     CleanupStack::PushL(name);
       
   166     xmlSecKeyPtr keyPtr = NULL;
       
   167     // load key - used method depend key type
       
   168     if (aKeyFormat == CXmlSecSign::ERSAPrivate)
       
   169         {
       
   170         if(aKeyName.Length() == 0)
       
   171             {
       
   172             User::Leave(KErrWrongParameter);
       
   173             }
       
   174         keyPtr = xmlSecCryptoAppKeyLoadMemoryWithName(aBuffer.Ptr(), aBuffer.Size(),
       
   175                                     xmlSecKeyDataFormatPkcs8Der, name, NULL, NULL, NULL);
       
   176         }
       
   177     else if (aKeyFormat == CXmlSecSign::ERSAPublic)
       
   178         {
       
   179         if(aKeyName.Length() == 0)
       
   180             {
       
   181             User::Leave(KErrWrongParameter);
       
   182             }
       
   183         keyPtr = xmlSecCryptoAppKeyLoadMemoryWithName(aBuffer.Ptr(), aBuffer.Size(),
       
   184                                     xmlSecKeyDataFormatDer, name, NULL, NULL, NULL);
       
   185         }
       
   186     else if (aKeyFormat == CXmlSecSign::EHMAC)
       
   187         keyPtr = xmlSecKeyReadMemory(xmlSecKeyDataHmacId,aBuffer.Ptr(), aBuffer.Size());
       
   188     
       
   189     XmlEngOOMTestL();
       
   190     XmlSecErrorFlagTestL();
       
   191     if(!keyPtr) 
       
   192         {
       
   193         User::Leave(KErrKey);
       
   194         }
       
   195     
       
   196     const xmlChar* KTmpName = NULL;
       
   197     if(aKeyName.Length())
       
   198         {
       
   199         KTmpName = (xmlChar*) name;
       
   200         }
       
   201     // add key name to key
       
   202     if((aKeyFormat == CXmlSecSign::EHMAC) && (xmlSecKeySetName(keyPtr,KTmpName) < 0))
       
   203         {
       
   204         xmlSecKeyDestroy(keyPtr);
       
   205         XmlEngOOMTestL();
       
   206         XmlSecErrorFlagTestL();
       
   207         User::Leave(KErrKey);
       
   208         }
       
   209     CleanupStack::PopAndDestroy(name);
       
   210     return keyPtr;
       
   211     }
       
   212  
       
   213 // ---------------------------------------------------------------------------
       
   214 // Reset template settings
       
   215 // ---------------------------------------------------------------------------
       
   216 //   
       
   217 void TemplateCleanup(TAny* aPref)
       
   218     {
       
   219     if(aPref)
       
   220         {
       
   221         delete aPref;
       
   222         xmlSetPrefix(NULL);
       
   223         }
       
   224     xmlSetNewLineFlag(1);
       
   225     }
       
   226     
       
   227     }// namespace Sign
       
   228 
       
   229 // ---------------------------------------------------------------------------
       
   230 // Two phase constructor
       
   231 // ---------------------------------------------------------------------------
       
   232 //   
       
   233 EXPORT_C CXmlSecSign* CXmlSecSign::NewLC()
       
   234     {
       
   235     CXmlSecSign* self = new (ELeave) CXmlSecSign;
       
   236     CleanupStack::PushL(self);
       
   237     self->ConstructL();
       
   238     return self;
       
   239     }
       
   240     
       
   241 // ---------------------------------------------------------------------------
       
   242 // Two phase constructor
       
   243 // ---------------------------------------------------------------------------
       
   244 // 
       
   245 EXPORT_C CXmlSecSign* CXmlSecSign::NewL()
       
   246     {
       
   247     CXmlSecSign* self = CXmlSecSign::NewLC();
       
   248     CleanupStack::Pop(self);
       
   249     return self;
       
   250     }
       
   251 
       
   252 // ---------------------------------------------------------------------------
       
   253 // Sign the xml document
       
   254 // ---------------------------------------------------------------------------
       
   255 // 
       
   256 EXPORT_C TXmlEngElement CXmlSecSign::SignXmlDocumentL(RXmlEngDocument& aDocument, 
       
   257                                                       TBool aUseCurrentKey)
       
   258     {
       
   259     if(aDocument.IsNull())
       
   260         {
       
   261         User::Leave(KErrWrongParameter);
       
   262         }
       
   263     return SignXmlNodeL(aDocument.DocumentElement(),aUseCurrentKey);
       
   264     }
       
   265 
       
   266 // ---------------------------------------------------------------------------
       
   267 // Sign the xml document
       
   268 // ---------------------------------------------------------------------------
       
   269 // 
       
   270 EXPORT_C TXmlEngElement CXmlSecSign::SignXmlDocumentKeyFromFileL(RXmlEngDocument& aDocument,
       
   271                                                      RXmlEngDocument& aTemplate,
       
   272                                                      const TDesC8& aKeyFile,
       
   273                                                      const TDesC8& aKeyName,
       
   274                                                      TXmlSecKeyType aKeyFormat)
       
   275     {
       
   276     SetKeyFromFileL(aKeyFile,aKeyName,aKeyFormat);
       
   277 		if(EFalse == iTemplate.IsSameNode(aTemplate))   
       
   278 		{
       
   279 			SetTemplateL(aTemplate);  
       
   280 		}
       
   281 		iSkipTmplLookUp = ETrue; //Set to TRUE indicating to skip searching for Template in document
       
   282     return SignXmlDocumentL(aDocument);
       
   283     }
       
   284 
       
   285 // ---------------------------------------------------------------------------
       
   286 // Sign the xml document
       
   287 // ---------------------------------------------------------------------------
       
   288 // 
       
   289 EXPORT_C TXmlEngElement CXmlSecSign::SignXmlDocumentKeyFromFileL(RXmlEngDocument& aDocument,
       
   290                                                      const TDesC8& aKeyFile,
       
   291                                                      const TDesC8& aKeyName,
       
   292                                                      TXmlSecKeyType aKeyFormat)
       
   293     {
       
   294     SetKeyFromFileL(aKeyFile,aKeyName,aKeyFormat);
       
   295     return SignXmlDocumentL(aDocument);
       
   296     }
       
   297 
       
   298 // ---------------------------------------------------------------------------
       
   299 // Sign the xml document
       
   300 // ---------------------------------------------------------------------------
       
   301 // 
       
   302 EXPORT_C TXmlEngElement CXmlSecSign::SignXmlDocumentKeyFromBufferL(RXmlEngDocument& aDocument,
       
   303                                                        RXmlEngDocument& aTemplate,
       
   304                                                        const TDesC8& aKey,
       
   305                                                        const TDesC8& aKeyName,
       
   306                                                        TXmlSecKeyType aKeyFormat)
       
   307     {
       
   308     SetKeyFromBufferL(aKey,aKeyName,aKeyFormat);
       
   309    	if(EFalse == iTemplate.IsSameNode(aTemplate))   
       
   310 		{
       
   311 			SetTemplateL(aTemplate);  
       
   312 		}  
       
   313     iSkipTmplLookUp = ETrue; //Set to TRUE indicating to skip searching for Template in document
       
   314     return SignXmlDocumentL(aDocument);
       
   315     }
       
   316 
       
   317 // ---------------------------------------------------------------------------
       
   318 // Sign the xml document
       
   319 // ---------------------------------------------------------------------------
       
   320 // 
       
   321 EXPORT_C TXmlEngElement CXmlSecSign::SignXmlDocumentKeyFromBufferL(RXmlEngDocument& aDocument,
       
   322                                                        const TDesC8& aKey,
       
   323                                                        const TDesC8& aKeyName,
       
   324                                                        TXmlSecKeyType aKeyFormat)
       
   325     {
       
   326     SetKeyFromBufferL(aKey,aKeyName,aKeyFormat);
       
   327     return SignXmlDocumentL(aDocument);
       
   328     }
       
   329 
       
   330 
       
   331 // ---------------------------------------------------------------------------
       
   332 // Sign the xml node
       
   333 // ---------------------------------------------------------------------------
       
   334 //     
       
   335 TXmlEngElement CXmlSecSign::SignXmlNodeL(TXmlEngElement aNode, TBool aUseCurrentKey)
       
   336     {
       
   337     TXmlEngElement ele;
       
   338     TBool add = FALSE;
       
   339     xmlSecDSigCtxPtr tmpCtx = SIG_CTX;
       
   340     // Reset ctxt
       
   341     if(aUseCurrentKey)
       
   342         {
       
   343         iSigCtx = NULL;
       
   344         tmpCtx = Sign::ResetCtxL(tmpCtx,NULL);
       
   345         iSigCtx = tmpCtx;
       
   346         }
       
   347     else
       
   348         {
       
   349         if(!iMngr)
       
   350             {
       
   351             iMngr = CXmlSecKeyManager::GetInstanceL();
       
   352             }
       
   353         iSigCtx = NULL;
       
   354         tmpCtx = Sign::ResetCtxL(tmpCtx,iMngr);
       
   355         iSigCtx = tmpCtx;
       
   356         }        
       
   357         
       
   358     xmlNodePtr node = NULL;
       
   359     
       
   360     // skip if there is a template already available which may or may not contain Signature(from document)
       
   361     if(EFalse == iSkipTmplLookUp)
       
   362     {
       
   363     // find <Signature> in aNode
       
   364     node = xmlSecFindNode(xmlDocGetRootElement(INTERNAL_NODEPTR(aNode)->doc),
       
   365                                 xmlSecNodeSignature, xmlSecDSigNs);
       
   366     }   
       
   367  		TXmlEngElement sign(node);
       
   368     if(!node)
       
   369         {
       
   370         if(iTemplate.NotNull())
       
   371             {
       
   372             // process template
       
   373             node = xmlSecFindNode(xmlDocGetRootElement(INTERNAL_DOCPTR(iTemplate)),
       
   374                                 xmlSecNodeSignature, xmlSecDSigNs);
       
   375             if(!node)
       
   376                 {
       
   377                 User::Leave(KErrTemplate);
       
   378                 }
       
   379             node = xmlCopyNode(node, 1);
       
   380             if(!node)
       
   381                 {
       
   382                 User::Leave(KErrNoMemory);
       
   383                 }
       
   384             // add template to document that should be signed
       
   385             sign = TXmlEngElement(node);
       
   386             aNode.AppendChildL(sign);
       
   387             add = TRUE;
       
   388             }
       
   389         }
       
   390         
       
   391     // sign the data
       
   392     if(xmlSecDSigCtxSign(tmpCtx, node) < 0) 
       
   393         {
       
   394         XmlEngOOMTestL();
       
   395         XmlSecErrorFlagTestL();
       
   396         User::Leave(KErrSign);
       
   397         }
       
   398     if(add)
       
   399         {
       
   400         sign.Unlink();    
       
   401         }
       
   402     iSkipTmplLookUp = EFalse; // Reset the Flag
       
   403     return sign;
       
   404     }
       
   405 
       
   406 // ---------------------------------------------------------------------------
       
   407 // Sign the xml nodes
       
   408 // ---------------------------------------------------------------------------
       
   409 //     
       
   410 EXPORT_C TXmlEngElement CXmlSecSign::SignXmlNodesL(RArray<TXmlEngElement>& aNodes,
       
   411                                        TBool aUseCurrentKey)
       
   412     {
       
   413     if(!aNodes.Count())
       
   414         {
       
   415         User::Leave(KErrWrongParameter);
       
   416         }
       
   417     return SignXmlNodeL(aNodes[0].OwnerDocument().DocumentElement(),aUseCurrentKey);
       
   418     }
       
   419 
       
   420 // ---------------------------------------------------------------------------
       
   421 // Verify xml node
       
   422 // ---------------------------------------------------------------------------
       
   423 //     
       
   424 EXPORT_C TBool CXmlSecSign::VerifyXmlNodeL(TXmlEngElement aNode, 
       
   425                                      TXmlSecVerificationKeyRepository aKeyRepository)
       
   426     {
       
   427     xmlSecDSigCtxPtr tmpCtx = SIG_CTX;
       
   428     
       
   429     // Reset ctxt
       
   430     if( aKeyRepository == EThisObject )
       
   431         {
       
   432         iSigCtx = NULL;
       
   433         tmpCtx = Sign::ResetCtxL(tmpCtx,iMngr);
       
   434         iSigCtx = tmpCtx;   
       
   435         }
       
   436     else
       
   437         {
       
   438         if(!iMngr)
       
   439             {
       
   440             iMngr = CXmlSecKeyManager::GetInstanceL();
       
   441             }
       
   442         iSigCtx = NULL;
       
   443         tmpCtx = Sign::ResetCtxL(tmpCtx,iMngr);
       
   444         iSigCtx = tmpCtx;
       
   445         }    
       
   446     // should cert store be used        
       
   447     if ( aKeyRepository == ECertStore )
       
   448         {
       
   449         xmlSecSetCertStoreFlag();
       
   450         }
       
   451     // verify data
       
   452     if (xmlSecDSigCtxVerify(tmpCtx, INTERNAL_NODEPTR(aNode)) < 0)
       
   453         {
       
   454         if ( aKeyRepository == ECertStore )
       
   455             {
       
   456             xmlSecResetCertStoreFlag();   
       
   457             }
       
   458         XmlEngOOMTestL();
       
   459         XmlSecErrorFlagTestL();
       
   460         User::Leave(KErrVerify);
       
   461         }
       
   462     // check result
       
   463     if (tmpCtx->status == xmlSecDSigStatusSucceeded)
       
   464         {
       
   465          if ( aKeyRepository == ECertStore )
       
   466             {
       
   467             xmlSecResetCertStoreFlag();   
       
   468             }
       
   469         return ETrue;
       
   470         }
       
   471     return EFalse;
       
   472     }
       
   473     
       
   474 // ---------------------------------------------------------------------------
       
   475 // Verify xml node
       
   476 // ---------------------------------------------------------------------------
       
   477 //     
       
   478 EXPORT_C TBool CXmlSecSign::VerifyXmlNodeKeyFromFileL(TXmlEngElement aNode,
       
   479                                                 const TDesC8& aKeyFile,
       
   480                                                 const TDesC8& aKeyName,
       
   481                                                 TXmlSecKeyType aKeyType)
       
   482     {
       
   483     SetKeyFromFileL(aKeyFile,aKeyName,aKeyType);
       
   484     return VerifyXmlNodeL(aNode);
       
   485     }
       
   486 
       
   487 // ---------------------------------------------------------------------------
       
   488 // Verify xml node
       
   489 // ---------------------------------------------------------------------------
       
   490 //     
       
   491 EXPORT_C TBool CXmlSecSign::VerifyXmlNodeKeyFromBufferL(TXmlEngElement aNode,
       
   492                                                   const TDesC8& aKey,
       
   493                                                   const TDesC8& aKeyName,
       
   494                                                   TXmlSecKeyType aKeyType)
       
   495     {
       
   496     SetKeyFromBufferL(aKey,aKeyName,aKeyType);
       
   497     return VerifyXmlNodeL(aNode);
       
   498     }
       
   499     
       
   500 // ---------------------------------------------------------------------------
       
   501 // Verify xml document
       
   502 // ---------------------------------------------------------------------------
       
   503 //     
       
   504 EXPORT_C TBool CXmlSecSign::VerifyXmlDocumentL(const RXmlEngDocument& aDocument, 
       
   505                                          TXmlSecVerificationKeyRepository aKeyRepository)
       
   506     {
       
   507     xmlNodePtr node = NULL;
       
   508     TXmlEngNode tmpNode = aDocument.DocumentElement();
       
   509     xmlNodePtr root = INTERNAL_NODEPTR(tmpNode);
       
   510     node = xmlSecFindNode(root,xmlSecNodeSignature, xmlSecDSigNs);
       
   511     if(!node) 
       
   512         {
       
   513         User::Leave(KErrVerify);    
       
   514         }   
       
   515     return VerifyXmlNodeL(TXmlEngElement(node),aKeyRepository);
       
   516     }
       
   517     
       
   518 // ---------------------------------------------------------------------------
       
   519 // Verify xml document
       
   520 // ---------------------------------------------------------------------------
       
   521 //     
       
   522 EXPORT_C TBool CXmlSecSign::VerifyXmlDocumentKeyFromFileL(const RXmlEngDocument& aDocument,
       
   523                                                     const TDesC8& aKeyFile,
       
   524                                                     const TDesC8& aKeyName,
       
   525                                                     TXmlSecKeyType aKeyType)
       
   526     {
       
   527     SetKeyFromFileL(aKeyFile,aKeyName,aKeyType);
       
   528     return VerifyXmlDocumentL(aDocument);
       
   529     }
       
   530 
       
   531 // ---------------------------------------------------------------------------
       
   532 // Verify xml document
       
   533 // ---------------------------------------------------------------------------
       
   534 //     
       
   535 EXPORT_C TBool CXmlSecSign::VerifyXmlDocumentKeyFromBufferL(const RXmlEngDocument& aDocument,
       
   536                                                       const TDesC8& aKey,
       
   537                                                       const TDesC8& aKeyName,
       
   538                                                       TXmlSecKeyType aKeyType)
       
   539     {
       
   540     SetKeyFromBufferL(aKey,aKeyName,aKeyType);
       
   541     return VerifyXmlDocumentL(aDocument);
       
   542     }
       
   543     
       
   544 // ---------------------------------------------------------------------------
       
   545 // Set template from file
       
   546 // ---------------------------------------------------------------------------
       
   547 // 
       
   548 EXPORT_C void CXmlSecSign::SetTemplateFromFileL(const TDesC8& aTemplate)
       
   549     {
       
   550     XmlSecTemplate::SetTemplateFromFileL(iTemplate,aTemplate);
       
   551     }
       
   552     
       
   553 // ---------------------------------------------------------------------------
       
   554 // Set template from file
       
   555 // ---------------------------------------------------------------------------
       
   556 // 
       
   557 EXPORT_C void CXmlSecSign::SetTemplateFromFileL(RFs& aRFs, const TDesC8& aTemplate)
       
   558     {
       
   559     XmlSecTemplate::SetTemplateFromFileL(iTemplate,aTemplate,aRFs);
       
   560     }
       
   561 
       
   562 // ---------------------------------------------------------------------------
       
   563 // Set template from buffer
       
   564 // ---------------------------------------------------------------------------
       
   565 // 
       
   566 EXPORT_C void CXmlSecSign::SetTemplateFromBufferL(const TDesC8& aTemplate)
       
   567     {
       
   568     XmlSecTemplate::SetTemplateFromBufferL(iTemplate,aTemplate);
       
   569     }
       
   570  
       
   571 // ---------------------------------------------------------------------------
       
   572 // Set template from DOM tree
       
   573 // ---------------------------------------------------------------------------
       
   574 // 
       
   575 EXPORT_C void CXmlSecSign::SetTemplateL(const RXmlEngDocument& aTemplate)
       
   576     {
       
   577     		XmlSecTemplate::SetTemplateL(iTemplate,aTemplate);
       
   578     }
       
   579 
       
   580 // ---------------------------------------------------------------------------
       
   581 // Set key info node in template
       
   582 // ---------------------------------------------------------------------------
       
   583 // 
       
   584 EXPORT_C void CXmlSecSign::SetKeyInfoL(const TDesC8& aKeyName)
       
   585     {
       
   586     XmlSecTemplate::SetKeyInfoL(iTemplate,aKeyName);
       
   587     }
       
   588 
       
   589 // ---------------------------------------------------------------------------
       
   590 // Set key info node in template
       
   591 // ---------------------------------------------------------------------------
       
   592 // 
       
   593 EXPORT_C void CXmlSecSign::SetKeyInfoL(TXmlEngElement aKeyProp)
       
   594     {
       
   595     XmlSecTemplate::SetKeyInfoL(iTemplate,aKeyProp);
       
   596     }
       
   597     
       
   598 // ---------------------------------------------------------------------------
       
   599 // Create template
       
   600 // ---------------------------------------------------------------------------
       
   601 // 
       
   602 EXPORT_C const RXmlEngDocument& CXmlSecSign::CreateTemplateL(TXmlSecKeyType aKeyFormat,
       
   603                                             RArray<TXmlEngElement>& aNodes,
       
   604                                             const TDesC8& aId,
       
   605                                             TBool aX509Cert,
       
   606                                             TUint aTransform,
       
   607                                             const TDesC8& aPref,
       
   608                                             TBool aNewLine)
       
   609     {
       
   610     _LIT8(KSep,":");
       
   611     _LIT8(KPoint,"#");
       
   612     if(iTemplate.NotNull())
       
   613         {
       
   614         iTemplate.Close();
       
   615         }
       
   616     
       
   617     if(!aNewLine)
       
   618         {
       
   619         xmlSetNewLineFlag(0);
       
   620         }
       
   621     
       
   622     unsigned char* pref = NULL;
       
   623     if(aPref.Length())
       
   624         {
       
   625         pref = (unsigned char*) XmlEngXmlCharFromDes8L(aPref);
       
   626         xmlSetPrefix(pref);
       
   627         }
       
   628     CleanupStack::PushL(TCleanupItem(Sign::TemplateCleanup,(TAny*)pref));
       
   629         
       
   630     xmlNodePtr signNode = NULL;
       
   631     xmlNodePtr refNode = NULL;
       
   632     xmlNodePtr keyInfoNode = NULL;
       
   633     
       
   634     if((aKeyFormat == ERSAPrivate) || (aKeyFormat == ERSAPublic))
       
   635         {
       
   636         // create signature template for RSA-SHA1 enveloped signature
       
   637         signNode = xmlSecTmplSignatureCreate(NULL, xmlSecTransformExclC14NId,
       
   638     				         xmlSecTransformRsaSha1Id, NULL);
       
   639         }
       
   640     else if(aKeyFormat == CXmlSecSign::EHMAC)
       
   641         {
       
   642         // create signature template for HMAC-SHA1 enveloped signature
       
   643         signNode = xmlSecTmplSignatureCreate(NULL, xmlSecTransformExclC14NId,
       
   644             		         xmlSecTransformHmacSha1Id, NULL);
       
   645     
       
   646         }
       
   647     if(!signNode) 
       
   648         {
       
   649         XmlEngOOMTestL();
       
   650         XmlSecErrorFlagTestL();
       
   651         User::Leave(KErrTemplate);
       
   652         }
       
   653         
       
   654     CleanupStack::PushL(TCleanupItem(LibxmlNodeCleanup,(TAny*)signNode)); 
       
   655         
       
   656     TInt nodeCount = aNodes.Count();
       
   657     if(!nodeCount)
       
   658         {
       
   659         // add reference
       
   660         refNode = xmlSecTmplSignatureAddReference(signNode, xmlSecTransformSha1Id,
       
   661     					NULL, NULL, NULL);
       
   662         if(!refNode) 
       
   663             {
       
   664             //xmlFreeNode( signNode );
       
   665             XmlEngOOMTestL();
       
   666             XmlSecErrorFlagTestL();
       
   667             User::Leave(KErrTemplate);
       
   668             }
       
   669 
       
   670         if(KEnvelopedSignature & aTransform)
       
   671             {
       
   672             // add enveloped transform
       
   673             if(!xmlSecTmplReferenceAddTransform(refNode, xmlSecTransformEnvelopedId)) 
       
   674                 {
       
   675                 //xmlFreeNode( signNode );
       
   676                 XmlEngOOMTestL();
       
   677                 XmlSecErrorFlagTestL();
       
   678                 User::Leave(KErrTemplate);
       
   679                 }    
       
   680             }
       
   681          if(KC14N & aTransform)
       
   682             {
       
   683             // add enveloped transform
       
   684             if(!xmlSecTmplReferenceAddTransform(refNode, xmlSecTransformInclC14NId)) 
       
   685                 {
       
   686                 //xmlFreeNode( signNode );
       
   687                 XmlEngOOMTestL();
       
   688                 XmlSecErrorFlagTestL();
       
   689                 User::Leave(KErrTemplate);
       
   690                 }    
       
   691             }
       
   692          else if(KExclusiveC14N & aTransform)
       
   693             {
       
   694             // add enveloped transform
       
   695             if(!xmlSecTmplReferenceAddTransform(refNode, xmlSecTransformExclC14NId)) 
       
   696                 {
       
   697                 //xmlFreeNode( signNode );
       
   698                 XmlEngOOMTestL();
       
   699                 XmlSecErrorFlagTestL();
       
   700                 User::Leave(KErrTemplate);
       
   701                 }             
       
   702             }
       
   703         }
       
   704     else
       
   705         {
       
   706         TPtrC8 nameSpace = KNullDesC8();
       
   707         TPtrC8 uriVal = KNullDesC8();
       
   708         TXmlEngString str;
       
   709         TInt pos = aId.Find(KSep);
       
   710         // check id of element    
       
   711         if(pos > 0)
       
   712             {
       
   713             nameSpace.Set(aNodes[0].LookupNamespaceUriL(aId.Left(pos)));
       
   714             if(!nameSpace.Length())
       
   715                 {
       
   716                 //xmlFreeNode( signNode );
       
   717                 if (OOM_FLAG)
       
   718                     {
       
   719                     XmlEngLeaveOOML();
       
   720                     }
       
   721                 XmlSecErrorFlagTestL();
       
   722                 User::Leave(KErrIdUndefineNS);
       
   723                 }
       
   724             }
       
   725         // for all elements with id add reference 
       
   726         TXmlEngElement elem;
       
   727         for(TInt i = 0; i < nodeCount; i++)
       
   728             {
       
   729             elem = aNodes[i];
       
   730             uriVal.Set(elem.AttributeValueL(aId.Right(aId.Length() - (pos + 1)),nameSpace));
       
   731             if(uriVal.Length())
       
   732                 {
       
   733                 str.SetL(KPoint);
       
   734                 CleanupClosePushL(str);
       
   735                 TXmlEngString str2;
       
   736                 str2.SetL(uriVal);
       
   737                 CleanupClosePushL(str2);
       
   738                 str.AppendL(str2);
       
   739                 CleanupStack::PopAndDestroy(&str2);
       
   740                 // add reference
       
   741                 refNode = xmlSecTmplSignatureAddReference(signNode, xmlSecTransformSha1Id,
       
   742         		    			NULL, (unsigned char*)str.Cstring(), NULL);
       
   743         		CleanupStack::PopAndDestroy(&str);
       
   744                 if(!refNode) 
       
   745                     {
       
   746                     //xmlFreeNode( signNode );
       
   747                     XmlEngOOMTestL();
       
   748                     XmlSecErrorFlagTestL();
       
   749                     User::Leave(KErrTemplate);
       
   750                     }
       
   751         
       
   752                 if(KEnvelopedSignature & aTransform)
       
   753                     {
       
   754                     // add enveloped transform
       
   755                     if(!xmlSecTmplReferenceAddTransform(refNode, xmlSecTransformEnvelopedId)) 
       
   756                         {
       
   757                         //xmlFreeNode( signNode );
       
   758                         XmlEngOOMTestL();
       
   759                         XmlSecErrorFlagTestL();
       
   760                         User::Leave(KErrTemplate);
       
   761                         }    
       
   762                     }
       
   763                  if(KC14N & aTransform)
       
   764                     {
       
   765                     // add enveloped transform
       
   766                     if(!xmlSecTmplReferenceAddTransform(refNode, xmlSecTransformInclC14NId)) 
       
   767                         {
       
   768                         //xmlFreeNode( signNode );
       
   769                         XmlEngOOMTestL();
       
   770                         XmlSecErrorFlagTestL();
       
   771                         User::Leave(KErrTemplate);
       
   772                         }    
       
   773                     }
       
   774                  else if(KExclusiveC14N & aTransform)
       
   775                     {
       
   776                     // add enveloped transform
       
   777                     if(!xmlSecTmplReferenceAddTransform(refNode, xmlSecTransformExclC14NId)) 
       
   778                         {
       
   779                         //xmlFreeNode( signNode );
       
   780                         XmlEngOOMTestL();
       
   781                         XmlSecErrorFlagTestL();
       
   782                         User::Leave(KErrTemplate);
       
   783                         }             
       
   784                     }
       
   785                 }
       
   786             }
       
   787         }
       
   788     
       
   789     // add <dsig:KeyInfo/> and <dsig:X509Data/>
       
   790     keyInfoNode = xmlSecTmplSignatureEnsureKeyInfo(signNode, NULL);
       
   791     if(!keyInfoNode) 
       
   792         {
       
   793         //xmlFreeNode( signNode );
       
   794         XmlEngOOMTestL();
       
   795         XmlSecErrorFlagTestL();
       
   796         User::Leave(KErrTemplate);
       
   797         }
       
   798     if(aKeyFormat != CXmlSecSign::EHMAC && aX509Cert)
       
   799         {
       
   800         if(!xmlSecTmplKeyInfoAddX509Data(keyInfoNode))
       
   801             {
       
   802             //xmlFreeNode( signNode );
       
   803             XmlEngOOMTestL();
       
   804             XmlSecErrorFlagTestL();
       
   805             User::Leave(KErrTemplate);
       
   806             }
       
   807         }
       
   808             
       
   809     xmlDocPtr doc = xmlNewDoc(NULL);
       
   810     xmlNodePtr tmpNode = xmlAddChild(INTERNAL_NODEPTR(doc), signNode);
       
   811     if(!tmpNode)
       
   812         {
       
   813         xmlFreeDoc(doc);
       
   814         //xmlFreeNode(signNode);
       
   815         User::Leave(KErrNoMemory);
       
   816         }
       
   817     CleanupStack::Pop(signNode);
       
   818     // return created template
       
   819     RXmlEngDocument retDoc;
       
   820     XmlSecGlobalState* gs = XmlSecGetTls();
       
   821     retDoc.OpenL(*gs->iDOMImpl,doc);
       
   822     iTemplate = retDoc;
       
   823     CleanupStack::PopAndDestroy();
       
   824     return iTemplate;
       
   825     }
       
   826     
       
   827 // ---------------------------------------------------------------------------
       
   828 // Create template
       
   829 // ---------------------------------------------------------------------------
       
   830 // 
       
   831 EXPORT_C const RXmlEngDocument& CXmlSecSign::CreateTemplateL(TXmlSecKeyType aKeyFormat,
       
   832                                                              TBool aX509Cert,
       
   833                                                              TUint aTransform,
       
   834                                                              const TDesC8& aPref,
       
   835                                                              TBool aNewLine)
       
   836     {
       
   837     RArray<TXmlEngElement> array;
       
   838     CleanupClosePushL(array);
       
   839     CreateTemplateL(aKeyFormat,array,KNullDesC8(),aX509Cert,aTransform,aPref,aNewLine);
       
   840     CleanupStack::PopAndDestroy(&array);
       
   841     return iTemplate;
       
   842     }
       
   843         
       
   844 // ---------------------------------------------------------------------------
       
   845 // Return current encryption template
       
   846 // ---------------------------------------------------------------------------
       
   847 // 
       
   848 EXPORT_C const RXmlEngDocument& CXmlSecSign::CurrentTemplate() const
       
   849     {
       
   850     return iTemplate;
       
   851     }
       
   852 
       
   853 // ---------------------------------------------------------------------------
       
   854 // Destroy current encryption template
       
   855 // ---------------------------------------------------------------------------
       
   856 // 
       
   857 EXPORT_C void CXmlSecSign::DestroyCurrentTemplate()
       
   858     {
       
   859     XmlSecTemplate::DestroyTemplate(iTemplate);
       
   860     }
       
   861 
       
   862 // ---------------------------------------------------------------------------
       
   863 // Read key from buffer and puts it in SymbianKeyStore
       
   864 // ---------------------------------------------------------------------------
       
   865 // 
       
   866 EXPORT_C void CXmlSecSign::SetKeyFromBufferL(const TDesC8& aBuffer,
       
   867                                        const TDesC8& aKeyName,
       
   868                                        TXmlSecKeyType aKeyFormat)
       
   869     {
       
   870     xmlSecDSigCtxPtr tmpCtx = SIG_CTX;
       
   871     if(tmpCtx->signKey)
       
   872         {
       
   873         xmlSecKeyDestroy(tmpCtx->signKey);
       
   874         tmpCtx->signKey = NULL;
       
   875         }
       
   876     tmpCtx->signKey = Sign::ReadKeyFromBufferL(aBuffer,aKeyName,aKeyFormat);
       
   877     }
       
   878     
       
   879 // ---------------------------------------------------------------------------
       
   880 // Read key from file and puts it in SymbianKeyStore
       
   881 // ---------------------------------------------------------------------------
       
   882 // 
       
   883 EXPORT_C void CXmlSecSign::SetKeyFromFileL(const TDesC8& aKeyFile,
       
   884                                      const TDesC8& aKeyName,
       
   885                                      TXmlSecKeyType aKeyFormat)
       
   886     {
       
   887     xmlSecDSigCtxPtr tmpCtx = SIG_CTX;
       
   888     if(tmpCtx->signKey)
       
   889         {
       
   890         xmlSecKeyDestroy(tmpCtx->signKey);
       
   891         tmpCtx->signKey = NULL;
       
   892         }
       
   893     tmpCtx->signKey = Sign::ReadKeyFromFileL(aKeyFile,aKeyName,aKeyFormat);
       
   894     }
       
   895     
       
   896 // ---------------------------------------------------------------------------
       
   897 // Read certificate from file
       
   898 // ---------------------------------------------------------------------------
       
   899 //     
       
   900 EXPORT_C void CXmlSecSign::SetCertFromFileL(const TDesC8& aCertFile)
       
   901     {
       
   902     xmlSecDSigCtxPtr tmpCtx = SIG_CTX;
       
   903     
       
   904     if(!tmpCtx->signKey) 
       
   905         {
       
   906         User::Leave(KErrKey);
       
   907         }
       
   908     const TInt length = aCertFile.Length();
       
   909     char* cStringFileName = new char[ length+1 ];
       
   910     if (!cStringFileName)
       
   911         {
       
   912         User::Leave( KErrNoMemory );
       
   913         }
       
   914     // copy cert data
       
   915     memcpy(cStringFileName, (char*) aCertFile.Ptr(), length);
       
   916     cStringFileName[ length ] = NULL;
       
   917     // read cert data, add cert to key
       
   918     if(xmlSecCryptoAppKeyCertLoad(tmpCtx->signKey, cStringFileName, xmlSecKeyDataFormatDer) < 0) 
       
   919         {
       
   920         delete[] cStringFileName;
       
   921         XmlEngOOMTestL();
       
   922         XmlSecErrorFlagTestL();
       
   923         User::Leave(KErrCert);
       
   924         }
       
   925     delete[] cStringFileName;
       
   926     }
       
   927 
       
   928 // ---------------------------------------------------------------------------
       
   929 // Read certificate from buffer
       
   930 // ---------------------------------------------------------------------------
       
   931 //     
       
   932 EXPORT_C void CXmlSecSign::SetCertFromBufferL(const TDesC8& aCert)
       
   933     {
       
   934     xmlSecDSigCtxPtr tmpCtx = SIG_CTX;
       
   935     
       
   936     if(!tmpCtx->signKey) 
       
   937         {
       
   938         User::Leave(KErrKey);
       
   939         }
       
   940     // add cert data to key
       
   941     if(xmlSecSymbianCryptoAppKeyCertLoadMemory(tmpCtx->signKey,aCert.Ptr(),aCert.Size(),
       
   942                                                xmlSecKeyDataFormatDer) < 0) 
       
   943         {
       
   944         User::Leave(KErrCert);
       
   945         }
       
   946     }
       
   947 
       
   948 // ---------------------------------------------------------------------------
       
   949 // Add cert from file to root's cert chain
       
   950 // ---------------------------------------------------------------------------
       
   951 //     
       
   952 EXPORT_C void CXmlSecSign::AddTrustedCertFromFileL(const TDesC8& aCertFile)
       
   953     {
       
   954     if(!iMngr)
       
   955         {
       
   956         iMngr = CXmlSecKeyManager::GetInstanceL();
       
   957         }
       
   958     const TInt length = aCertFile.Length();
       
   959     char* cStringFileName = new char[ length+1 ];
       
   960     if (!cStringFileName)
       
   961         {
       
   962         User::Leave( KErrNoMemory );
       
   963         }
       
   964     memcpy(cStringFileName, (char*) aCertFile.Ptr(), length);
       
   965     cStringFileName[ length ] = NULL;
       
   966     // load cert data
       
   967     if(xmlSecCryptoAppKeysMngrCertLoad(iMngr->GetKeyManagerPtr(), cStringFileName,
       
   968                         xmlSecKeyDataFormatDer, xmlSecKeyDataTypeTrusted) < 0)
       
   969         {
       
   970         delete[] cStringFileName;
       
   971         XmlEngOOMTestL();
       
   972         XmlSecErrorFlagTestL();
       
   973         User::Leave(KErrCert);
       
   974         }
       
   975     delete[] cStringFileName;
       
   976     }
       
   977     
       
   978 // ---------------------------------------------------------------------------
       
   979 // Add cert from buffer to root's cert chain
       
   980 // ---------------------------------------------------------------------------
       
   981 //     
       
   982 EXPORT_C void CXmlSecSign::AddTrustedCertFromBufferL(const TDesC8& aCert)
       
   983     {
       
   984     if(!iMngr)
       
   985         {
       
   986         iMngr = CXmlSecKeyManager::GetInstanceL();
       
   987         }
       
   988     if(xmlSecCryptoAppKeysMngrCertLoadMemory(iMngr->GetKeyManagerPtr(), aCert.Ptr(),
       
   989                         aCert.Size(), xmlSecKeyDataFormatDer, xmlSecKeyDataTypeTrusted) < 0)
       
   990         {
       
   991         XmlEngOOMTestL();
       
   992         XmlSecErrorFlagTestL();
       
   993         User::Leave(KErrCert);
       
   994         }
       
   995     }
       
   996 
       
   997 // ---------------------------------------------------------------------------
       
   998 // Constructor
       
   999 // ---------------------------------------------------------------------------
       
  1000 // 
       
  1001 CXmlSecSign::CXmlSecSign()
       
  1002     {
       
  1003     iTemplate = RXmlEngDocument();
       
  1004     iSigCtx = NULL;
       
  1005     iSkipTmplLookUp = EFalse; //Initialize the flag to FALSE
       
  1006     }
       
  1007 
       
  1008 // ---------------------------------------------------------------------------
       
  1009 // Second phase constructor
       
  1010 // ---------------------------------------------------------------------------
       
  1011 // 
       
  1012 void CXmlSecSign::ConstructL()
       
  1013     {
       
  1014     // create sign context
       
  1015     iSigCtx = xmlSecDSigCtxCreate(NULL);
       
  1016     if(!iSigCtx)
       
  1017         {
       
  1018         User::Leave(KErrNoMemory);
       
  1019 	    }
       
  1020     }
       
  1021 
       
  1022 // ---------------------------------------------------------------------------
       
  1023 // Destructor
       
  1024 // ---------------------------------------------------------------------------
       
  1025 // 
       
  1026 CXmlSecSign::~CXmlSecSign()
       
  1027     {
       
  1028     if(iTemplate.NotNull())
       
  1029         {
       
  1030         iTemplate.Close();
       
  1031         }
       
  1032     if(iSigCtx)
       
  1033         {
       
  1034         xmlSecDSigCtxDestroy(SIG_CTX);
       
  1035         }
       
  1036     }    
       
  1037