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