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/*
* 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.
*/
#include "VirtualNetwork.h"
#include "RouteController.h"
#define LOG_TAG "Netd"
#include "log/log.h"
VirtualNetwork::VirtualNetwork(unsigned netId, bool hasDns): Network(netId), mHasDns(hasDns) {
}
VirtualNetwork::~VirtualNetwork() {
}
bool VirtualNetwork::getHasDns() const {
return mHasDns;
}
bool VirtualNetwork::appliesToUser(uid_t uid) const {
return mUidRanges.hasUid(uid);
}
int VirtualNetwork::addUsers(const UidRanges& uidRanges) {
for (const std::string& interface : mInterfaces) {
if (int ret = RouteController::addUsersToVirtualNetwork(mNetId, interface.c_str(),
uidRanges)) {
ALOGE("failed to add users on interface %s of netId %u", interface.c_str(), mNetId);
return ret;
}
}
mUidRanges.add(uidRanges);
return 0;
}
int VirtualNetwork::removeUsers(const UidRanges& uidRanges) {
for (const std::string& interface : mInterfaces) {
if (int ret = RouteController::removeUsersFromVirtualNetwork(mNetId, interface.c_str(),
uidRanges)) {
ALOGE("failed to remove users on interface %s of netId %u", interface.c_str(), mNetId);
return ret;
}
}
mUidRanges.remove(uidRanges);
return 0;
}
Network::Type VirtualNetwork::getType() const {
return VIRTUAL;
}
int VirtualNetwork::addInterface(const std::string& interface) {
if (hasInterface(interface)) {
return 0;
}
if (int ret = RouteController::addInterfaceToVirtualNetwork(mNetId, interface.c_str(),
mUidRanges)) {
ALOGE("failed to add interface %s to VPN netId %u", interface.c_str(), mNetId);
return ret;
}
mInterfaces.insert(interface);
return 0;
}
int VirtualNetwork::removeInterface(const std::string& interface) {
if (!hasInterface(interface)) {
return 0;
}
if (int ret = RouteController::removeInterfaceFromVirtualNetwork(mNetId, interface.c_str(),
mUidRanges)) {
ALOGE("failed to remove interface %s from VPN netId %u", interface.c_str(), mNetId);
return ret;
}
mInterfaces.erase(interface);
return 0;
}
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