1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _NAT_CONTROLLER_H 18 #define _NAT_CONTROLLER_H 19 20 #include <linux/in.h> 21 22 #include <utils/List.h> 23 24 #include "SecondaryTableController.h" 25 26 class NatController { 27 28 public: 29 NatController(SecondaryTableController *ctrl); 30 virtual ~NatController(); 31 32 int enableNat(const int argc, char **argv); 33 int disableNat(const int argc, char **argv); 34 35 private: 36 int natCount; 37 SecondaryTableController *secondaryTableCtrl; 38 39 int setDefaults(); 40 int runCmd(const char *path, const char *cmd); 41 bool checkInterface(const char *iface); 42 int setForwardRules(bool set, const char *intIface, const char *extIface); 43 const char *getVersion(const char *addr); 44 }; 45 46 #endif 47