Method read

libcppcryptfs/config/cryptconfig.cpp:110–361

bool
CryptConfig::read(wstring& mes, const WCHAR *config_file_path, bool reverse)
{

	auto File = cppcryptfs::unique_ptr(static_cast<FILE*>(nullptr), fclose);
	FILE *fl = NULL;

	if (config_file_path) {
		
		if (_wfopen_s(&fl, config_file_path, L"rb")) {
			mes = LocUtils::GetStringFromResources(IDS_FAILED_OPEN_CONF);
			return false;
		}
		m_configPath = config_file_path;
		m_reverse = reverse;
	} else {

		wstring config_path;

		if (m_basedir.size() < 1) {
			mes = LocUtils::GetStringFromResources(IDS_NOT_CONF_DIR_EMPTY);
			return false;
		}

		config_path = m_basedir;

		if (config_path[config_path.size() - 1] != '\\')
			config_path.push_back('\\');

		wstring config_file = config_path + REVERSE_CONFIG_NAME;

		if (_wfopen_s(&fl, &config_file[0], L"rb")) {
			config_file = config_path + CONFIG_NAME;
			if (_wfopen_s(&fl, &config_file[0], L"rb")) {
				mes = LocUtils::GetStringFromResources(IDS_FAILED_OPEN_CONF);
				return false;
			}
			m_reverse = false;
		} else {	
			m_reverse = true;
		}

		m_configPath = config_file;
	}

	File.reset(fl);

	if (fseek(fl, 0, SEEK_END)) {
		mes = LocUtils::GetStringFromResources(IDS_NOT_FOUND_END_CONF);
		return false;
	}

	long filesize = ftell(fl);

	if (filesize > MAX_CONFIG_FILE_SIZE) {
		mes = LocUtils::GetStringFromResources(IDS_CONF_TOO_BIG);
		return false;
	}