int main()

in xsec/tools/txfmout/txfmout.cpp [356:577]

• 154 lines of code
• 28 McCabe index (conditional complexity)

int main(int argc, char **argv) {

	char					* filename = NULL;
	bool					signedInfo = true;
	bool					references = true;
	outputter				theOutputter;
	int						refNum = -1;

	if (argc < 2) {

		printUsage();
		exit (2);
	}

	// Run through parameters
	int paramCount = 1;

	while (paramCount < argc - 1) {

		if (_stricmp(argv[paramCount], "--signedinfo") == 0 || _stricmp(argv[paramCount], "-s") == 0) {
			paramCount++;
			references = false;
		}
		else if (_stricmp(argv[paramCount], "--out") == 0 || _stricmp(argv[paramCount], "-o") == 0) {
			paramCount++;
			theOutputter.setFilename(argv[paramCount++]);
		}
		else if (_stricmp(argv[paramCount], "--references") == 0 || _stricmp(argv[paramCount], "-r") == 0) {
			paramCount++;
			signedInfo = false;
			if (argv[paramCount][0] >= '0' && argv[paramCount][0] <= '9')
				refNum = atoi(argv[paramCount++]);
		}
		else if (_stricmp(argv[paramCount], "--newfiles") == 0 || _stricmp(argv[paramCount], "-n") == 0) {
			paramCount++;
			theOutputter.setNewFilePerOpen();
		}
		else {
			printUsage();
			exit(2);
		}
	}

	if (paramCount >= argc) {
		printUsage();
		exit (2);
	}

	filename = argv[paramCount];

	// Initialise the XML system

	try {

		XMLPlatformUtils::Initialize();
#ifdef XSEC_HAVE_XALAN
		XPathEvaluator::initialize();
		XalanTransformer::initialize();
#endif
		XSECPlatformUtils::Initialise();

	}
	catch (const XMLException &e) {

		cerr << "Error during initialisation of Xerces" << endl;
		cerr << "Error Message = : "
		     << e.getMessage() << endl;

	}

	// Create and set up the parser

	XercesDOMParser * parser = new XercesDOMParser;
	
	parser->setDoNamespaces(true);
	parser->setCreateEntityReferenceNodes(true);

	// Now parse out file

	bool errorsOccured = false;
	XMLSize_t errorCount = 0;
    try
    {
    	parser->parse(filename);
        errorCount = parser->getErrorCount();
        if (errorCount > 0)
            errorsOccured = true;
    }

    catch (const XMLException& e)
    {
        cerr << "An error occurred during parsing\n   Message: "
             << e.getMessage() << endl;
        errorsOccured = true;
    }


    catch (const DOMException& e)
    {
       cerr << "A DOM error occurred during parsing\n   DOMException code: "
             << e.code << endl;
        errorsOccured = true;
    }

	if (errorsOccured) {

		cout << "Errors during parse" << endl;
		exit (2);

	}

	/*

		Now that we have the parsed file, get the DOM document and start looking at it

	*/
	
	DOMNode *doc;		// The document that we parsed

	doc = parser->getDocument();
	DOMDocument *theDOM = parser->getDocument();

	// Find the signature node
	
	DOMNode *sigNode = findDSIGNode(doc, "Signature");

	// Create the signature checker

	if (sigNode == 0) {

		cerr << "Could not find <Signature> node in " << argv[argc-1] << endl;
		exit(2);
	}

	XSECProvider prov;
	DSIGSignature * sig = prov.newSignatureFromDOM(theDOM, sigNode);
	sig->registerIdAttributeName(MAKE_UNICODE_STRING("ID"));

	// Map out base path of the file
#if XSEC_HAVE_GETCWD_DYN
	char *path = getcwd(NULL, 0);
	char *baseURI = (char*)malloc(strlen(path) + 8 + 1 + strlen(filename) + 1);
#else
	char path[PATH_MAX];
	char baseURI[(PATH_MAX * 2) + 10];
	getcwd(path, PATH_MAX);
#endif
	strcpy(baseURI, "file:///");
	strcat(baseURI, path);
	strcat(baseURI, "/");
	strcat(baseURI, filename);

	// Find any ':' and "\" characters
	int lastSlash = 0;
	for (unsigned int i = 8; i < strlen(baseURI); ++i) {
		if (baseURI[i] == '\\') {
			lastSlash = i;
			baseURI[i] = '/';
		}
		else if (baseURI[i] == '/')
			lastSlash = i;
	}

	// The last "\\" must prefix the filename
	baseURI[lastSlash + 1] = '\0';

	sig->getURIResolver()->setBaseURI(MAKE_UNICODE_STRING(baseURI));
#if XSEC_HAVE_GETCWD_DYN
	free(path);
	free(baseURI);
#endif


	try {

		XSECBinTXFMInputStream * is;
		XMLByte buf[1024];
		unsigned int sz;

		sig->load();
		if (references) {
			outputReferenceList(sig->getReferenceList(), theOutputter, refNum);

		}
		if (signedInfo) {
			is = sig->makeBinInputStream();
			if (is != NULL) {

				theOutputter.openSection();
				sz = (unsigned int) is->readBytes(buf, 1023);

				while (sz != 0) {
					
					buf[sz] = '\0';
					theOutputter.output(buf, sz);
	
					sz = (unsigned int) is->readBytes(buf, 1023);

				}
				theOutputter.closeSection();

				delete is;

			}
		}
	}

	catch (const XSECException &e) {
		char * m = XMLString::transcode(e.getMsg());
		cerr << "An error occurred during signature processing\n   Message: "
		<< m << endl;
		XSEC_RELEASE_XMLCH(m);
		errorsOccured = true;
		exit (2);
	}

	theOutputter.closeAll();

	prov.releaseSignature(sig);

	return 0;
}