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49 lines
1.8 KiB
49 lines
1.8 KiB
/*
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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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#pragma once
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#include <set>
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#include "Network.h"
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namespace android::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 secure);
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virtual ~VirtualNetwork();
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[[nodiscard]] int addUsers(const UidRanges& uidRanges, uint32_t subPriority) override;
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[[nodiscard]] int removeUsers(const UidRanges& uidRanges, uint32_t subPriority) override;
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bool isVirtual() override { return true; }
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bool canAddUsers() override { return true; }
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private:
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std::string getTypeString() const override { return "VIRTUAL"; };
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[[nodiscard]] int addInterface(const std::string& interface) override;
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[[nodiscard]] int removeInterface(const std::string& interface) override;
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bool isValidSubPriority(uint32_t priority) override;
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};
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} // namespace android::net
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