Make loginserver intelligently determine if the client is requesting from a RFC 1918 network instead of using a config string match

common/ip_util.h

@@ -0,0 +1,36 @@
+/**
+ * EQEmulator: Everquest Server Emulator
+ * Copyright (C) 2001-2019 EQEmulator Development Team (https://github.com/EQEmu/Server)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY except by those people which sell it, which
+ * are required to give you total support for your newly bought product;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef EQEMU_IP_UTIL_H
+#define EQEMU_IP_UTIL_H
+
+#include "types.h"
+#include "iostream"
+
+class IpUtil {
+public:
+
+	static uint32_t IPToUInt(const std::string &ip);
+	static bool IsIpInRange(const std::string &ip, const std::string &network, const std::string &mask);
+	static bool IsIpInPrivateRfc1918(const std::string &ip);
+
+};
+
+#endif //EQEMU_IP_UTIL_H