/* * Copyright (C) 2012 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef _FIREWALL_CONTROLLER_H #define _FIREWALL_CONTROLLER_H #include <string> enum FirewallRule { ALLOW, DENY }; #define PROTOCOL_TCP 6 #define PROTOCOL_UDP 17 /* * Simple firewall that drops all packets except those matching explicitly * defined ALLOW rules. */ class FirewallController { public: FirewallController(); int setupIptablesHooks(void); int enableFirewall(void); int disableFirewall(void); int isFirewallEnabled(void); /* Match traffic going in/out over the given iface. */ int setInterfaceRule(const char*, FirewallRule); /* Match traffic coming-in-to or going-out-from given address. */ int setEgressSourceRule(const char*, FirewallRule); /* Match traffic coming-in-from or going-out-to given address, port, and protocol. */ int setEgressDestRule(const char*, int, int, FirewallRule); /* Match traffic owned by given UID. */ int setUidRule(int, FirewallRule); static const char* LOCAL_INPUT; static const char* LOCAL_OUTPUT; static const char* LOCAL_FORWARD; }; #endif