C++ SecNssCoder::encodeItem方法代码示例

void CL_cssmGeneralNamesToNss(
	const CE_GeneralNames &cdsaObj, 
	NSS_GeneralNames &nssObj,
	SecNssCoder &coder)
{
	uint32 numNames = cdsaObj.numNames;
	nssObj.names = (CSSM_DATA **)clNssNullArray(numNames, coder);
	
	/* 
	 * Convert each element in cdsaObj to NSS form, encode, drop into
	 * the ASN_ANY array.
	 *
	 * This array of (NSS_GeneralName)s is temporary, it doesn't
	 * persist outside of this routine other than the fact that it's
	 * mallocd by the coder arena pool. 
	 */
	NSS_GeneralName *names = 
		(NSS_GeneralName *)coder.malloc(sizeof(NSS_GeneralName) * numNames);
	memset(names, 0, sizeof(NSS_GeneralName) * numNames);
	for(unsigned dex=0; dex<cdsaObj.numNames; dex++) {
		nssObj.names[dex] = (CSSM_DATA_PTR)coder.malloc(sizeof(CSSM_DATA));
		memset(nssObj.names[dex], 0, sizeof(CSSM_DATA));
		CL_cssmGeneralNameToNss(cdsaObj.generalName[dex],
			names[dex], coder);
		if(coder.encodeItem(&names[dex], kSecAsn1GeneralNameTemplate,
				*nssObj.names[dex])) {
			clErrorLog("***Error encoding General.name\n");
			CssmError::throwMe(CSSMERR_CL_MEMORY_ERROR);
		}
	}
}

void CL_cssmInfoAccessToNss(
	const CE_AuthorityInfoAccess	&cdsaObj,
	NSS_AuthorityInfoAccess			&nssObj,
	SecNssCoder						&coder)  
{
	memset(&nssObj, 0, sizeof(nssObj));
	uint32 numDescs = cdsaObj.numAccessDescriptions;
	nssObj.accessDescriptions = (NSS_AccessDescription **)clNssNullArray(numDescs, coder);
	
	for(unsigned dex=0; dex<numDescs; dex++) {
		nssObj.accessDescriptions[dex] = coder.mallocn<NSS_AccessDescription>();
		CE_AccessDescription *src = &cdsaObj.accessDescriptions[dex];
		NSS_AccessDescription *dst = nssObj.accessDescriptions[dex];
		coder.allocCopyItem(src->accessMethod, dst->accessMethod);
		
		/* Convert general name, then encode it into destination */
		NSS_GeneralName nssGenName;
		CL_cssmGeneralNameToNss(src->accessLocation, nssGenName, coder);
		PRErrorCode prtn = coder.encodeItem(&nssGenName, kSecAsn1GeneralNameTemplate, 
			dst->encodedAccessLocation);
		if(prtn) {
			clErrorLog("CL_cssmInfoAccessToNss: encode error\n");
			CssmError::throwMe(CSSMERR_CL_MEMORY_ERROR);
		}
	}
}

void CL_cssmQualCertStatementsToNss(
	const CE_QC_Statements	 	&cdsaObj,
	NSS_QC_Statements 			&nssObj,
	SecNssCoder 				&coder) 
{
	memset(&nssObj, 0, sizeof(nssObj));
	uint32 numQcs = cdsaObj.numQCStatements;
	nssObj.qcStatements = 
		(NSS_QC_Statement **)clNssNullArray(numQcs, coder);
	for(uint32 dex=0; dex<numQcs; dex++) {
		nssObj.qcStatements[dex] = (NSS_QC_Statement *)
			coder.malloc(sizeof(NSS_QC_Statement));
		NSS_QC_Statement *dst = nssObj.qcStatements[dex];
		CE_QC_Statement *src = &cdsaObj.qcStatements[dex];
		memset(dst, 0, sizeof(*dst));
		coder.allocCopyItem(src->statementId, dst->statementId);
		if(src->semanticsInfo) {
			if(src->otherInfo) {
				/* this is either/or, not both */
				CssmError::throwMe(CSSMERR_CL_INVALID_FIELD_POINTER);
			}

			/* encode this CE_SemanticsInformation */
			CE_SemanticsInformation *srcSI = src->semanticsInfo;
			NSS_SemanticsInformation dstSI;
			memset(&dstSI, 0, sizeof(dstSI));
			if(srcSI->semanticsIdentifier) {
				dstSI.semanticsIdentifier = (CSSM_DATA_PTR)coder.malloc(sizeof(CSSM_DATA));
				coder.allocCopyItem(*srcSI->semanticsIdentifier, 
					*dstSI.semanticsIdentifier);
			}
			if(srcSI->nameRegistrationAuthorities) {
				dstSI.nameRegistrationAuthorities = 
					(NSS_GeneralNames *)coder.malloc(sizeof(NSS_GeneralNames));
				CL_cssmGeneralNamesToNss(*srcSI->nameRegistrationAuthorities,
					*dstSI.nameRegistrationAuthorities, coder);
			}
			PRErrorCode prtn = coder.encodeItem(&dstSI, kSecAsn1SemanticsInformationTemplate, 
				dst->info);
			if(prtn) {
				clErrorLog("CL_cssmQualCertStatementsToNss: encode error\n");
				CssmError::throwMe(CSSMERR_CL_MEMORY_ERROR);
			}
			
		}
		if(src->otherInfo) {
			/* drop in as ASN_ANY */
			coder.allocCopyItem(*src->otherInfo, dst->info);
		}
	}
}

void CL_encodeDistributionPointName(
	CE_DistributionPointName &cpoint,
	CSSM_DATA &npoint,
	SecNssCoder &coder)
{
	const SecAsn1Template *templ = NULL;
	NSS_GeneralNames gnames;
	NSS_RDN rdn;
	void *encodeSrc = NULL;
	
	/* 
	 * Our job is to convert one of two incoming aggregate types
	 * into NSS format, then encode the result into npoint.
	 */
	switch(cpoint.nameType) {
		case CE_CDNT_FullName:
			CL_cssmGeneralNamesToNss(*cpoint.dpn.fullName,
				gnames, coder);
			encodeSrc = &gnames;
			templ = kSecAsn1DistPointFullNameTemplate;
			break;
			
		case CE_CDNT_NameRelativeToCrlIssuer:
			CL_cssmRdnToNss(*cpoint.dpn.rdn, rdn, coder);
			encodeSrc = &rdn;
			templ = kSecAsn1DistPointRDNTemplate;
			break;
		default:
			clErrorLog("CL_encodeDistributionPointName: bad nameType\n");
			CssmError::throwMe(CSSMERR_CL_UNKNOWN_TAG);
	}
	if(coder.encodeItem(encodeSrc, templ, npoint)) {
		clErrorLog("CL_encodeDistributionPointName: encode error\n");
		CssmError::throwMe(CSSMERR_CL_MEMORY_ERROR);
	}
}

void CL_cssmGeneralNameToNss(
	CE_GeneralName &cdsaObj,
	NSS_GeneralName &nssObj,		// actually an NSSTaggedItem
	SecNssCoder &coder)				// for temp decoding
{
	memset(&nssObj, 0, sizeof(nssObj));
	
	/*
	 * The default here is just to use the app-supplied data as is...
	 */
	nssObj.item = cdsaObj.name;
	unsigned char itemTag;			// for nssObj.tag
	bool doCopy = false;			// unless we have to modify tag byte
	unsigned char overrideTag;		// to force context-specific tag for
									//   an ASN_ANY
	PRErrorCode prtn;
									
	switch(cdsaObj.nameType) {
		case GNT_OtherName:	
			/*
			 * Caller supplies an CE_OtherName. Encode it.
			 */
			if((cdsaObj.name.Length != sizeof(CE_OtherName)) ||
			   (cdsaObj.name.Data == NULL)) {
				clErrorLog("CL_cssmGeneralNameToNss: OtherName.Length"
					" error\n");
				CssmError::throwMe(CSSMERR_CL_UNKNOWN_FORMAT);
			}
			prtn = coder.encodeItem(cdsaObj.name.Data,
				kSecAsn1OtherNameTemplate, nssObj.item);
			if(prtn) {
				clErrorLog("CL_cssmGeneralNameToNss: OtherName encode"
					" error\n");
				CssmError::throwMe(CSSMERR_CL_MEMORY_ERROR);
			}
			itemTag = NGT_OtherName;
			break;
		case GNT_RFC822Name:		// IA5String
			itemTag = NGT_RFC822Name;
			break;
		case GNT_DNSName:			// IA5String
			itemTag = NGT_DNSName;
			break;
		case GNT_X400Address:		// caller's resposibility
			/*
			 * Encoded as ASN_ANY, the only thing we do is to 
			 * force the correct context-specific tag
			 */
			itemTag = GNT_X400Address;
			if(!cdsaObj.berEncoded) {
				clErrorLog("CL_cssmGeneralNameToNss: X400Address must"
					" be BER-encoded\n");
				CssmError::throwMe(CSSMERR_CL_UNKNOWN_FORMAT);
			}			
			overrideTag = SEC_ASN1_CONTEXT_SPECIFIC | 
				SEC_ASN1_CONSTRUCTED | NGT_X400Address;
			doCopy = true;
			break;
		case GNT_DirectoryName:	
		{
			/*
			 * Caller supplies an CSSM_X509_NAME. Convert to NSS
			 * format and encode it.
			 */
			if((cdsaObj.name.Length != sizeof(CSSM_X509_NAME)) || 
			   (cdsaObj.name.Data == NULL)) {
				clErrorLog("CL_cssmGeneralNameToNss: DirectoryName.Length"
					" error\n");
				CssmError::throwMe(CSSMERR_CL_UNKNOWN_FORMAT);
			}
			NSS_Name nssName;
			CSSM_X509_NAME_PTR cdsaName = 
				(CSSM_X509_NAME_PTR)cdsaObj.name.Data;
			CL_cssmNameToNss(*cdsaName, nssName, coder);
			prtn = coder.encodeItem(&nssName,
				kSecAsn1NameTemplate, nssObj.item);
			if(prtn) {
				clErrorLog("CL_cssmGeneralNameToNss: X509Name encode"
					" error\n");
				CssmError::throwMe(CSSMERR_CL_MEMORY_ERROR);
			}
			itemTag = GNT_DirectoryName;
			
			/*
			 * AND, munge the tag to make it a context-specific
			 * sequence
			 * no, not needed, this is wrapped in an explicit...
			 */
			//nssObj.item.Data[0] = SEC_ASN1_CONTEXT_SPECIFIC | 
			//	SEC_ASN1_CONSTRUCTED | GNT_DirectoryName;

			break;
		}
		case GNT_EdiPartyName:		// caller's resposibility
			/*
			 * Encoded as ASN_ANY, the only thing we do is to 
			 * force the correct context-specific tag
			 */
			itemTag = GNT_EdiPartyName;
			if(!cdsaObj.berEncoded) {
//.........这里部分代码省略.........