/*

* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#include "swicertstoremetadata.h"

#include "datalocator.h"

using namespace std;

const int KMandatory = 0x00;

const int KSystemUpgrade = 0x01;

SwiCertStoreMetaData ::SwiCertStoreMetaData (Stream& aStream, StoreFile& aStore)

	:iStream(aStream), 

	iStore(aStore)

	{

	}

void SwiCertStoreMetaData ::Read(const Options& aOptions)

	{

	iCount++;

	DataLocator dataLoc(iStream, iStore.File());

	StreamReader reader(dataLoc.GetStream());

	reader.Initialise();

	int certCount = reader.ReadInt32();

	for (int j = 0; j < certCount; ++j)

		{

		iAppId.clear();

		reader.ReadInt8();	

		int certSize = reader.ReadInt32(); // certificate size

		if(!aOptions.CreateCCIFile() && !aOptions.CreateDetailCCIFile())

			{

			if(!certSize)

				{

				cout << "warning : " << " Empty Certificate " << endl; 

				}

			}

		bool isWide;

		int certLabelLen = reader.GetDescriptorInfo(isWide, true);	// certificate label length

		char* buf = reader.ReadDescriptor(); 		// certificate label

		string certName((const char*)buf , certLabelLen);

		iCertName = certName;

		iCertTag = iCertName;

		delete [] buf;

		iCertName.append(".der");

		unsigned int certId = reader.ReadInt32(); // certificate ID

		unsigned char certOwnerType = reader.ReadInt8(); // certificate owner type(should be only CA certificate)

		if(!aOptions.CreateCCIFile() && !aOptions.CreateDetailCCIFile())

			{

			if(certOwnerType)							//for CA certificate certOwnerType is 0.

				{

				cout << "warning : " << "Not a CA certificate " << endl;

				}

			}

		buf = reader.ReadDescriptor(); // subject key ID

		delete [] buf;

		buf = reader.ReadDescriptor(); // issuer key ID

		delete [] buf;

		int apps = reader.ReadInt32(); // number of applications

		for (int i = 0; i < apps; ++i)

			{

			unsigned int app = reader.ReadInt32(); // application UID

			iAppId.push_back(app);

			}

		unsigned char trustStatus = reader.ReadInt8(); // trusted flag

		if(!aOptions.CreateCCIFile() && !aOptions.CreateDetailCCIFile())

			{

			if(!trustStatus)

				{

				cout << "warning : " << iCertTag << ": Untrusted  certificate " <<endl;

				}

			}

		int streamId = reader.ReadInt32(); // data stream ID

		int capsLength = reader.GetDescriptorInfo(isWide, true);

		buf = reader.ReadDescriptor(); // capabilities buffer

		iFileWrite = "\0";

		if( aOptions.CreateDetailCCIFile() )

			{

			iCertCapabilities = ExtractDetailCapabilities(buf,capsLength);

			}

		else

			{

			iCertCapabilities = ExtractCapabilities(buf,capsLength);

			}

		delete [] buf;

		// This value contains both mandatory and system upgrade values

		iValue = reader.ReadInt8();

		bool isDisplay = ExtractCertificate(iCertName , aOptions , streamId , iValue);

		if( !aOptions.CreateCCIFile() && !aOptions.CreateDetailCCIFile() && isDisplay )

			{

			Display(aOptions);

			}

		}

	}

const string SwiCertStoreMetaData ::ExtractCapabilities(char* aCapability, int aCapsLength)

   	{

   	string capability;

  	int cap = 0;

   	int unknownIndex = 1;

  	char CapsString[10];

   	for(int j=0; j<aCapsLength; j++)

   		{

   		if(*aCapability & 0x01)

   			{

   			if(j < KNumberOfCaps)

   				{

   				capability.append("capability = ");

   				capability.append(CapabilityList[j]);

   				capability.append("\n"); 

   				*aCapability = *aCapability >> 1;

   				}

   			else

   				{

   				capability.append("capability= ");

   				capability.append("Unknown"+unknownIndex);

   				unknownIndex++;

   				}

  			cap += pow(2,j);

   			}

   		else

   			{

   			*aCapability = *aCapability >> 1;

   			}

   		if((j+1)%(sizeof(aCapability)*2) == 0)

   			{

   			aCapability ++;

   			}

   		}

  	sprintf(CapsString,"%d",cap);

  	iFileWrite.append(CapsString);

  	iFileWrite.append("\n");	

   	return capability;

   	}

const string SwiCertStoreMetaData ::ExtractDetailCapabilities(char* aCapability, int aCapsLength)

	{

	string capability;

	int unknownIndex = 1;

	for(int j=0; j<aCapsLength; j++)

		{

		if(*aCapability & 0x01)

			{

			if(j < KNumberOfCaps)

				{

				capability.append("capability = ");

				capability.append(CapabilityList[j]);

				capability.append("\n"); 

				*aCapability = *aCapability >> 1;

				}

			else

				{

				capability.append("capability= ");

				capability.append("Unknown"+unknownIndex);

				unknownIndex++;

				}

			}

		else

			{

			*aCapability = *aCapability >> 1;

			}

		if((j+1)%(sizeof(aCapability)*2) == 0)

			{

			aCapability ++;

			}

		}

	iFileWrite.append(capability);

	iFileWrite.append("\n");

	return capability;

	}

void SwiCertStoreMetaData::Display(const Options& aOptions)

	{

	string iniFileWrite,appID;

	for (vector<unsigned int>::iterator it = iAppId.begin(); it!= iAppId.end();++it)

		{

		if (*it == ESwInstallUid)

			{

			appID.append("application = SWInstall\n");

			}

		if (*it == ESwinstallOcspUid)

			{

			appID.append("application = SWInstallOCSP\n");

			}

		}

	int value = (int)iValue;

	int isMandatory = !!( value & (1 << KMandatory)); 

	int isSystemUpgrade = !!(value & (1 << KSystemUpgrade));

	char buf[2],buf1[2];

	sprintf(buf,"%d",isMandatory);

	sprintf(buf1,"%d",isSystemUpgrade);

	string mandatory = 	buf;

	string systemUpgrade = buf1;

	iniFileWrite = "\n["+iCertTag+"]\n\nfile = "+ iCertName+"\n"+iCertCapabilities+appID+"Mandatory = "+mandatory+"\n"+"SystemUpgrade = "+systemUpgrade+"\n";

	cout << iniFileWrite << endl;

	ofstream iniFile("swicertstore.txt",ios::app);

	iniFile.write(iniFileWrite.c_str(),iniFileWrite.length());

	iniFile.close();

	}

bool SwiCertStoreMetaData::ExtractCertificate(std::string& aCertLabel,const Options& aOptions,int aStreamId,unsigned char aMandatory)

	{

	Handle handle(aStreamId);

	Stream stream = iStore.FindStream(handle);

	Certificate cert(stream, iStore);

	bool isDisplay = cert.Read(aCertLabel.c_str(),aOptions);

	const char* buf = cert.GetIssuerName().c_str();

	char* issuername = strstr(buf ,"/CN");

	if (issuername)

		{

		issuername += 4;

		}

	else

		{

		issuername = strstr (buf, "/");

		if (issuername)

			{

			issuername += 3;

			}

		}

	if (issuername)

		{

		char* endstr = strchr (issuername, '/');

		if (endstr)

			{

			*endstr = 0;

			}

		}

	if(isDisplay)

		{

		iIssuer.append(issuername);

		iIssuer.append("\n");

		iIssuer.append("----------------------");

		iIssuer.append("\n");

		iIssuer.append(iFileWrite);

		iMandatoryCert.append(issuername);

		iMandatoryCert.append(" = ");

		char mandatoryStr[2];

		sprintf(mandatoryStr,"%d",(int)aMandatory);

		iMandatoryCert.append(mandatoryStr);

		iMandatoryCert.append("\n");

		}

	return isDisplay;

	}

SwiCertStoreMetaData::~SwiCertStoreMetaData()

	{

	}

int SwiCertStoreMetaData::iCount = 0;