/*

* 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 "options.h"

#include "openssllicense.h"

using namespace std;

void Options::DisplayError (const Exceptions& aErr)

	{

	const char* msg;

	switch (aErr)

		{

		case EUnknownOption:

			msg = "unknown option specified" ;

			DisplayUsage ();

			break;

		case EMissingDATFile:

			msg = "Dat File Input not specified ";

			DisplayUsage ();

			break;

		case EMissingSISFile:

			msg = "SIS File Input not specified ";

			DisplayUsage ();

			break;

		case EUnableToOpenFile:

			msg = "Unable to open file " ;

			break;

		case ESupportingExeError:

			msg = "Unable to execute Supporting Executable.Set Environment PATH" ;

			DisplayUsage ();

			break;

		case ECorruptCCIFile:

			msg = "File containing signing chain information is corrupted " ;

			break;

		case EErrorExecutingSupportingExeSignsis:

			msg = "Error while Executing Supporting \nExecutable SignSIS.exe.Either SIS File is Unsigned or does not exist in the specified path" ;

			break;

		case EErrorExecutingSupportingDumpSwiCertstoreExe:

			msg = "Error while Executing Supporting \nExecutable DumpSWICertstoreTool.exe" ;

			break;

		case ENotADerBitString:

			msg = "Error reading a DER encoded ASN.1 Bit String Type .";

			break;

		case ENotADerSequence:

			msg = "Error reading a DER Encoded ASN.1 Sequence Type." ;

			break;

		case ENotADerInteger:

			msg = "Error reading a DER Encoded ASN.1 Integer Type." ;

			break;

		case ENotADerUtf8String:

			msg = "Error reading a DER Encoded ASN.1 UTF8 String." ;

			break;

		default:

			msg = "unknown error";

			break;

		}

		cerr << CommandName () << ": Error in command: " << msg << std::endl <<std::endl;

	}

void Options::DisplayVersion() const

	{

	 cout << "\nDumpChainValidity Utility   Version " << KMajorVersion << '.' \

		  << setw(2) << KMinorVersion << setfill('0') <<  "\nCopyright (c) 2005-2006 Symbian Software Limited . All rights reserved.\n\n" << flush;

	}

void Options::DisplayUsage()

	{

	cout << "Usage: DumpChainValidityTool [-v][-h][-i][-l] Signed_SIS_Input DAT_Input Directory  \n\n" \

					" -v		specifies the version of the tool \n" \

					" -h		Prints the help message\n" \

					" -i        Output licence information \n" \

					" -l		Displays unified capabilities list of the validated chains \n" \

					"DAT_Input	ROM Based SWICertstore.dat.Optional if Directory is specified \n" \

					"Directory	Writable SWICertstore.Optional if swicertstore.dat is specified\n" \

					"SIS_Input	Signed SIS File\n" \

					"All inputs must be specified in the same order as mentioned above.\n\n" << flush;

	}

Options::Options (int argc, char** argv)

	:iList(false),

	iVersion (false),

	iHelpFlag (false),

	iDATFileSpecified (false),

	iSISFileSpecified (false),

	iDirectorySpecified (false)

	{

	iDATFile.empty();

	iCertstore.empty();

	iSISFile.empty();

	unsigned char stage = 0;

	bool ssl = false;

	int argCount = argc;

	while (--argc > 0)

		{

		argv++;

		if ((**argv == '-') || (**argv == '/'))

			{

			const char* optPtr = *argv;

			while (*++optPtr)

				{

				switch (*optPtr)

					{

					case 'h':

					case 'H':

					case '?':

						{

						iHelpFlag = true;

						DisplayUsage();

						break;

						}

					case 'v':

					case 'V':

						{

						iVersion = true;

						DisplayVersion();

						break;

						}

					case 'i' :

					case 'I' :

						{

						ssl = true;

						break;

						}

					case 'l':

					case 'L':

						iList = true;

						break;

					default:

						throw EUnknownOption;

					}

				}

			}

		else

			{

			switch(stage)

				{

				case 0:

						{

						iSISFile = *argv;

						iSISFileSpecified = true;

						break;

						}

				case 1:

						{

						iDATFile = *argv;

						iDATFileSpecified = true;

						break;

						}

				case 2:

						{

						iCertstore = *argv;

						iDirectorySpecified = true;

						break;

						}

				default:

						throw EUnknownOption;

				}

			stage++;

			}

		}

	//displays OpenSSL copyright notice.

	if (ssl)

		{

		for (int index = 0; index < (sizeof(openSSLLicenseString)/sizeof(openSSLLicenseString[0])); ++index)

			{

			cout << openSSLLicenseString [index] << endl;

			}

		}

	CheckCmdLineExceptions();

	}

void Options::CheckCmdLineExceptions()

	{

	if(iDirectorySpecified && iDATFileSpecified)

		{

		iCertstore.append(" ");

		iCertstore.append(iDATFile);

		}

	if(iDATFileSpecified && !iDirectorySpecified)

		{

		iCertstore=iDATFile;

		}

	//if only -h or -v or both are specified

	if(!iDATFileSpecified && !iDirectorySpecified && !iSISFileSpecified )

		{

		exit(0);

		}

	//Neither dat file nor directory is specified			

	if (!iDATFileSpecified && !iDirectorySpecified )

		{

		throw EMissingDATFile;	

		}

	//no sis file specified

	if(!iSISFileSpecified)

		{

		throw EMissingSISFile;

		}

	}

Options::~Options()

	{

	}