Function validateProductSuite

src/common/utils.cpp:846–885

////////////////////////////////////////////////////////////

bool validateProductSuite (LPCSTR lpszSuiteToValidate)
{
	NTRegQuery query;

	// Open the ProductOptions key.
	if (!query.openForRead("System\\CurrentControlSet\\Control\\ProductOptions"))
		return false;

	// Determine required size of ProductSuite buffer.
	// If we get size == 1 it means multi string data with only a terminator.
	if (!query.readValueSize("ProductSuite") || query.getDataSize() < 2)
		return false;

	// Allocate buffer.
	NTLocalString lpszProductSuites(query.getDataSize());
	if (!lpszProductSuites.allocated())
		return false;

	// Retrieve array of product suite strings.
	if (!query.readValueData(lpszProductSuites.getString()) || query.getDataType() != REG_MULTI_SZ)
		return false;

	query.close();  // explicit but redundant.

	// Search for suite name in array of strings.
	bool fValidated = false;
	LPCSTR lpszSuite = lpszProductSuites.c_str();
	LPCSTR end = lpszSuite + query.getDataSize(); // paranoid check
	while (*lpszSuite && lpszSuite < end)
	{
		if (lstrcmpA(lpszSuite, lpszSuiteToValidate) == 0)
		{
			fValidated = true;
			break;
		}
		lpszSuite += (lstrlenA(lpszSuite) + 1);
	}

	return fValidated;
}

#endif // WIN_NT