| /* |
| * Copyright (C) 2014 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. |
| */ |
| |
| #pragma once |
| |
| #include <set> |
| |
| #include "Network.h" |
| |
| namespace android::net { |
| |
| // A VirtualNetwork may be "secure" or not. |
| // |
| // A secure VPN is the usual type of VPN that grabs the default route (and thus all user traffic). |
| // Only a few privileged UIDs may skip the VPN and go directly to the underlying physical network. |
| // |
| // A non-secure VPN ("bypassable" VPN) also grabs all user traffic by default. But all apps are |
| // permitted to skip it and pick any other network for their connections. |
| class VirtualNetwork : public Network { |
| public: |
| VirtualNetwork(unsigned netId, bool secure); |
| virtual ~VirtualNetwork(); |
| [[nodiscard]] int addUsers(const UidRanges& uidRanges, uint32_t subPriority) override; |
| [[nodiscard]] int removeUsers(const UidRanges& uidRanges, uint32_t subPriority) override; |
| bool isVirtual() override { return true; } |
| bool canAddUsers() override { return true; } |
| |
| private: |
| std::string getTypeString() const override { return "VIRTUAL"; }; |
| [[nodiscard]] int addInterface(const std::string& interface) override; |
| [[nodiscard]] int removeInterface(const std::string& interface) override; |
| bool isValidSubPriority(uint32_t priority) override; |
| }; |
| |
| } // namespace android::net |