2 * Copyright (C) 2014 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef NETD_SERVER_VIRTUAL_NETWORK_H
18 #define NETD_SERVER_VIRTUAL_NETWORK_H
21 #include "UidRanges.h"
23 // A VirtualNetwork may be "secure" or not.
25 // A secure VPN is the usual type of VPN that grabs the default route (and thus all user traffic).
26 // Only a few privileged UIDs may skip the VPN and go directly to the underlying physical network.
28 // A non-secure VPN ("bypassable" VPN) also grabs all user traffic by default. But all apps are
29 // permitted to skip it and pick any other network for their connections.
30 class VirtualNetwork : public Network {
32 VirtualNetwork(unsigned netId, bool hasDns, bool secure);
33 virtual ~VirtualNetwork();
35 bool getHasDns() const;
36 bool isSecure() const;
37 bool appliesToUser(uid_t uid) const;
39 int addUsers(const UidRanges& uidRanges) WARN_UNUSED_RESULT;
40 int removeUsers(const UidRanges& uidRanges) WARN_UNUSED_RESULT;
43 Type getType() const override;
44 int addInterface(const std::string& interface) override WARN_UNUSED_RESULT;
45 int removeInterface(const std::string& interface) override WARN_UNUSED_RESULT;
52 #endif // NETD_SERVER_VIRTUAL_NETWORK_H