VirtualNetwork.cpp revision b1425cc09f8a29350520db0d4f489331df5a689b
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17#include "VirtualNetwork.h" 18 19#include "RouteController.h" 20 21#define LOG_TAG "Netd" 22#include "log/log.h" 23 24VirtualNetwork::VirtualNetwork(unsigned netId, uid_t /*ownerUid*/) : Network(netId) { 25} 26 27VirtualNetwork::~VirtualNetwork() { 28} 29 30int VirtualNetwork::addInterface(const std::string& interface) { 31 if (hasInterface(interface)) { 32 return 0; 33 } 34 if (int ret = RouteController::addInterfaceToVpn(mNetId, interface.c_str(), mUidRanges)) { 35 ALOGE("failed to add interface %s to VPN netId %u", interface.c_str(), mNetId); 36 return ret; 37 } 38 mInterfaces.insert(interface); 39 return 0; 40} 41 42int VirtualNetwork::removeInterface(const std::string& interface) { 43 if (!hasInterface(interface)) { 44 return 0; 45 } 46 if (int ret = RouteController::removeInterfaceFromVpn(mNetId, interface.c_str(), mUidRanges)) { 47 ALOGE("failed to remove interface %s from VPN netId %u", interface.c_str(), mNetId); 48 return ret; 49 } 50 mInterfaces.erase(interface); 51 return 0; 52} 53 54int VirtualNetwork::addUsers(const UidRanges& uidRanges) { 55 for (const std::string& interface : mInterfaces) { 56 if (int ret = RouteController::addUsersToVpn(mNetId, interface.c_str(), uidRanges)) { 57 ALOGE("failed to add users on interface %s of netId %u", interface.c_str(), mNetId); 58 return ret; 59 } 60 } 61 mUidRanges.add(uidRanges); 62 return 0; 63} 64 65int VirtualNetwork::removeUsers(const UidRanges& uidRanges) { 66 for (const std::string& interface : mInterfaces) { 67 if (int ret = RouteController::removeUsersFromVpn(mNetId, interface.c_str(), uidRanges)) { 68 ALOGE("failed to remove users on interface %s of netId %u", interface.c_str(), mNetId); 69 return ret; 70 } 71 } 72 mUidRanges.remove(uidRanges); 73 return 0; 74} 75