64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/*
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* Copyright (C) 2014 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 NETD_SERVER_VIRTUAL_NETWORK_H
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#define NETD_SERVER_VIRTUAL_NETWORK_H
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#include <set>
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#include "Network.h"
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#include "UidRanges.h"
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namespace android {
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namespace net {
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// A VirtualNetwork may be "secure" or not.
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//
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// A secure VPN is the usual type of VPN that grabs the default route (and thus all user traffic).
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// Only a few privileged UIDs may skip the VPN and go directly to the underlying physical network.
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//
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// A non-secure VPN ("bypassable" VPN) also grabs all user traffic by default. But all apps are
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// permitted to skip it and pick any other network for their connections.
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class VirtualNetwork : public Network {
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public:
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VirtualNetwork(unsigned netId, bool hasDns, bool secure);
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virtual ~VirtualNetwork();
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bool getHasDns() const;
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bool isSecure() const;
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bool appliesToUser(uid_t uid) const;
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int addUsers(const UidRanges& uidRanges,
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const std::set<uid_t>& protectableUsers) WARN_UNUSED_RESULT;
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int removeUsers(const UidRanges& uidRanges,
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const std::set<uid_t>& protectableUsers) WARN_UNUSED_RESULT;
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private:
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Type getType() const override;
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int addInterface(const std::string& interface) override WARN_UNUSED_RESULT;
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int removeInterface(const std::string& interface) override WARN_UNUSED_RESULT;
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int maybeCloseSockets(bool add, const UidRanges& uidRanges,
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const std::set<uid_t>& protectableUsers);
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const bool mHasDns;
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const bool mSecure;
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UidRanges mUidRanges;
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};
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} // namespace net
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} // namespace android
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#endif // NETD_SERVER_VIRTUAL_NETWORK_H
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