1496 lines
60 KiB
Java
1496 lines
60 KiB
Java
/*
|
|
* Copyright (C) 2007 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.
|
|
*/
|
|
|
|
package com.android.server;
|
|
|
|
import static android.Manifest.permission.ACCESS_NETWORK_STATE;
|
|
import static android.Manifest.permission.CHANGE_NETWORK_STATE;
|
|
import static android.Manifest.permission.DUMP;
|
|
import static android.Manifest.permission.MANAGE_NETWORK_POLICY;
|
|
import static android.net.NetworkStats.SET_DEFAULT;
|
|
import static android.net.NetworkStats.TAG_NONE;
|
|
import static android.net.NetworkStats.UID_ALL;
|
|
import static android.net.TrafficStats.UID_TETHERING;
|
|
import static android.provider.Settings.Secure.NETSTATS_ENABLED;
|
|
import static com.android.server.NetworkManagementSocketTagger.PROP_QTAGUID_ENABLED;
|
|
|
|
import android.content.Context;
|
|
import android.content.pm.PackageManager;
|
|
import android.net.INetworkManagementEventObserver;
|
|
import android.net.InterfaceConfiguration;
|
|
import android.net.LinkAddress;
|
|
import android.net.NetworkStats;
|
|
import android.net.NetworkUtils;
|
|
import android.net.RouteInfo;
|
|
import android.net.wifi.WifiConfiguration;
|
|
import android.net.wifi.WifiConfiguration.KeyMgmt;
|
|
import android.os.Binder;
|
|
import android.os.INetworkManagementService;
|
|
import android.os.SystemClock;
|
|
import android.os.SystemProperties;
|
|
import android.provider.Settings;
|
|
import android.util.Log;
|
|
import android.util.Slog;
|
|
import android.util.SparseBooleanArray;
|
|
|
|
import com.android.internal.net.NetworkStatsFactory;
|
|
import com.google.android.collect.Sets;
|
|
|
|
import java.io.BufferedReader;
|
|
import java.io.DataInputStream;
|
|
import java.io.File;
|
|
import java.io.FileDescriptor;
|
|
import java.io.FileInputStream;
|
|
import java.io.IOException;
|
|
import java.io.InputStreamReader;
|
|
import java.io.PrintWriter;
|
|
import java.net.Inet4Address;
|
|
import java.net.InetAddress;
|
|
import java.net.InterfaceAddress;
|
|
import java.net.NetworkInterface;
|
|
import java.net.SocketException;
|
|
import java.util.ArrayList;
|
|
import java.util.Collection;
|
|
import java.util.HashSet;
|
|
import java.util.NoSuchElementException;
|
|
import java.util.StringTokenizer;
|
|
import java.util.concurrent.CountDownLatch;
|
|
|
|
/**
|
|
* @hide
|
|
*/
|
|
public class NetworkManagementService extends INetworkManagementService.Stub
|
|
implements Watchdog.Monitor {
|
|
private static final String TAG = "NetworkManagementService";
|
|
private static final boolean DBG = false;
|
|
private static final String NETD_TAG = "NetdConnector";
|
|
|
|
private static final int ADD = 1;
|
|
private static final int REMOVE = 2;
|
|
|
|
private static final String DEFAULT = "default";
|
|
private static final String SECONDARY = "secondary";
|
|
|
|
/**
|
|
* Name representing {@link #setGlobalAlert(long)} limit when delivered to
|
|
* {@link INetworkManagementEventObserver#limitReached(String, String)}.
|
|
*/
|
|
public static final String LIMIT_GLOBAL_ALERT = "globalAlert";
|
|
|
|
class NetdResponseCode {
|
|
/* Keep in sync with system/netd/ResponseCode.h */
|
|
public static final int InterfaceListResult = 110;
|
|
public static final int TetherInterfaceListResult = 111;
|
|
public static final int TetherDnsFwdTgtListResult = 112;
|
|
public static final int TtyListResult = 113;
|
|
|
|
public static final int TetherStatusResult = 210;
|
|
public static final int IpFwdStatusResult = 211;
|
|
public static final int InterfaceGetCfgResult = 213;
|
|
public static final int SoftapStatusResult = 214;
|
|
public static final int InterfaceRxCounterResult = 216;
|
|
public static final int InterfaceTxCounterResult = 217;
|
|
public static final int InterfaceRxThrottleResult = 218;
|
|
public static final int InterfaceTxThrottleResult = 219;
|
|
public static final int QuotaCounterResult = 220;
|
|
public static final int TetheringStatsResult = 221;
|
|
|
|
public static final int InterfaceChange = 600;
|
|
public static final int BandwidthControl = 601;
|
|
}
|
|
|
|
/**
|
|
* Binder context for this service
|
|
*/
|
|
private Context mContext;
|
|
|
|
/**
|
|
* connector object for communicating with netd
|
|
*/
|
|
private NativeDaemonConnector mConnector;
|
|
|
|
private Thread mThread;
|
|
private final CountDownLatch mConnectedSignal = new CountDownLatch(1);
|
|
|
|
// TODO: replace with RemoteCallbackList
|
|
private ArrayList<INetworkManagementEventObserver> mObservers;
|
|
|
|
private final NetworkStatsFactory mStatsFactory = new NetworkStatsFactory();
|
|
|
|
private Object mQuotaLock = new Object();
|
|
/** Set of interfaces with active quotas. */
|
|
private HashSet<String> mActiveQuotaIfaces = Sets.newHashSet();
|
|
/** Set of interfaces with active alerts. */
|
|
private HashSet<String> mActiveAlertIfaces = Sets.newHashSet();
|
|
/** Set of UIDs with active reject rules. */
|
|
private SparseBooleanArray mUidRejectOnQuota = new SparseBooleanArray();
|
|
|
|
private volatile boolean mBandwidthControlEnabled;
|
|
|
|
/**
|
|
* Constructs a new NetworkManagementService instance
|
|
*
|
|
* @param context Binder context for this service
|
|
*/
|
|
private NetworkManagementService(Context context) {
|
|
mContext = context;
|
|
mObservers = new ArrayList<INetworkManagementEventObserver>();
|
|
|
|
if ("simulator".equals(SystemProperties.get("ro.product.device"))) {
|
|
return;
|
|
}
|
|
|
|
mConnector = new NativeDaemonConnector(
|
|
new NetdCallbackReceiver(), "netd", 10, NETD_TAG);
|
|
mThread = new Thread(mConnector, NETD_TAG);
|
|
|
|
// Add ourself to the Watchdog monitors.
|
|
Watchdog.getInstance().addMonitor(this);
|
|
}
|
|
|
|
public static NetworkManagementService create(Context context) throws InterruptedException {
|
|
NetworkManagementService service = new NetworkManagementService(context);
|
|
if (DBG) Slog.d(TAG, "Creating NetworkManagementService");
|
|
service.mThread.start();
|
|
if (DBG) Slog.d(TAG, "Awaiting socket connection");
|
|
service.mConnectedSignal.await();
|
|
if (DBG) Slog.d(TAG, "Connected");
|
|
return service;
|
|
}
|
|
|
|
public void systemReady() {
|
|
// only enable bandwidth control when support exists, and requested by
|
|
// system setting.
|
|
final boolean hasKernelSupport = new File("/proc/net/xt_qtaguid/ctrl").exists();
|
|
final boolean shouldEnable =
|
|
Settings.Secure.getInt(mContext.getContentResolver(), NETSTATS_ENABLED, 1) != 0;
|
|
|
|
if (hasKernelSupport && shouldEnable) {
|
|
Slog.d(TAG, "enabling bandwidth control");
|
|
try {
|
|
mConnector.doCommand("bandwidth enable");
|
|
mBandwidthControlEnabled = true;
|
|
} catch (NativeDaemonConnectorException e) {
|
|
Log.wtf(TAG, "problem enabling bandwidth controls", e);
|
|
}
|
|
} else {
|
|
Slog.d(TAG, "not enabling bandwidth control");
|
|
}
|
|
|
|
SystemProperties.set(PROP_QTAGUID_ENABLED, mBandwidthControlEnabled ? "1" : "0");
|
|
}
|
|
|
|
public void registerObserver(INetworkManagementEventObserver obs) {
|
|
Slog.d(TAG, "Registering observer");
|
|
mObservers.add(obs);
|
|
}
|
|
|
|
public void unregisterObserver(INetworkManagementEventObserver obs) {
|
|
Slog.d(TAG, "Unregistering observer");
|
|
mObservers.remove(mObservers.indexOf(obs));
|
|
}
|
|
|
|
/**
|
|
* Notify our observers of an interface status change
|
|
*/
|
|
private void notifyInterfaceStatusChanged(String iface, boolean up) {
|
|
for (INetworkManagementEventObserver obs : mObservers) {
|
|
try {
|
|
obs.interfaceStatusChanged(iface, up);
|
|
} catch (Exception ex) {
|
|
Slog.w(TAG, "Observer notifier failed", ex);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Notify our observers of an interface link state change
|
|
* (typically, an Ethernet cable has been plugged-in or unplugged).
|
|
*/
|
|
private void notifyInterfaceLinkStateChanged(String iface, boolean up) {
|
|
for (INetworkManagementEventObserver obs : mObservers) {
|
|
try {
|
|
obs.interfaceLinkStateChanged(iface, up);
|
|
} catch (Exception ex) {
|
|
Slog.w(TAG, "Observer notifier failed", ex);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Notify our observers of an interface addition.
|
|
*/
|
|
private void notifyInterfaceAdded(String iface) {
|
|
for (INetworkManagementEventObserver obs : mObservers) {
|
|
try {
|
|
obs.interfaceAdded(iface);
|
|
} catch (Exception ex) {
|
|
Slog.w(TAG, "Observer notifier failed", ex);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Notify our observers of an interface removal.
|
|
*/
|
|
private void notifyInterfaceRemoved(String iface) {
|
|
// netd already clears out quota and alerts for removed ifaces; update
|
|
// our sanity-checking state.
|
|
mActiveAlertIfaces.remove(iface);
|
|
mActiveQuotaIfaces.remove(iface);
|
|
|
|
for (INetworkManagementEventObserver obs : mObservers) {
|
|
try {
|
|
obs.interfaceRemoved(iface);
|
|
} catch (Exception ex) {
|
|
Slog.w(TAG, "Observer notifier failed", ex);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Notify our observers of a limit reached.
|
|
*/
|
|
private void notifyLimitReached(String limitName, String iface) {
|
|
for (INetworkManagementEventObserver obs : mObservers) {
|
|
try {
|
|
obs.limitReached(limitName, iface);
|
|
} catch (Exception ex) {
|
|
Slog.w(TAG, "Observer notifier failed", ex);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Let us know the daemon is connected
|
|
*/
|
|
protected void onDaemonConnected() {
|
|
if (DBG) Slog.d(TAG, "onConnected");
|
|
mConnectedSignal.countDown();
|
|
}
|
|
|
|
|
|
//
|
|
// Netd Callback handling
|
|
//
|
|
|
|
class NetdCallbackReceiver implements INativeDaemonConnectorCallbacks {
|
|
/** {@inheritDoc} */
|
|
public void onDaemonConnected() {
|
|
NetworkManagementService.this.onDaemonConnected();
|
|
}
|
|
|
|
/** {@inheritDoc} */
|
|
public boolean onEvent(int code, String raw, String[] cooked) {
|
|
switch (code) {
|
|
case NetdResponseCode.InterfaceChange:
|
|
/*
|
|
* a network interface change occured
|
|
* Format: "NNN Iface added <name>"
|
|
* "NNN Iface removed <name>"
|
|
* "NNN Iface changed <name> <up/down>"
|
|
* "NNN Iface linkstatus <name> <up/down>"
|
|
*/
|
|
if (cooked.length < 4 || !cooked[1].equals("Iface")) {
|
|
throw new IllegalStateException(
|
|
String.format("Invalid event from daemon (%s)", raw));
|
|
}
|
|
if (cooked[2].equals("added")) {
|
|
notifyInterfaceAdded(cooked[3]);
|
|
return true;
|
|
} else if (cooked[2].equals("removed")) {
|
|
notifyInterfaceRemoved(cooked[3]);
|
|
return true;
|
|
} else if (cooked[2].equals("changed") && cooked.length == 5) {
|
|
notifyInterfaceStatusChanged(cooked[3], cooked[4].equals("up"));
|
|
return true;
|
|
} else if (cooked[2].equals("linkstate") && cooked.length == 5) {
|
|
notifyInterfaceLinkStateChanged(cooked[3], cooked[4].equals("up"));
|
|
return true;
|
|
}
|
|
throw new IllegalStateException(
|
|
String.format("Invalid event from daemon (%s)", raw));
|
|
// break;
|
|
case NetdResponseCode.BandwidthControl:
|
|
/*
|
|
* Bandwidth control needs some attention
|
|
* Format: "NNN limit alert <alertName> <ifaceName>"
|
|
*/
|
|
if (cooked.length < 5 || !cooked[1].equals("limit")) {
|
|
throw new IllegalStateException(
|
|
String.format("Invalid event from daemon (%s)", raw));
|
|
}
|
|
if (cooked[2].equals("alert")) {
|
|
notifyLimitReached(cooked[3], cooked[4]);
|
|
return true;
|
|
}
|
|
throw new IllegalStateException(
|
|
String.format("Invalid event from daemon (%s)", raw));
|
|
// break;
|
|
default: break;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
// INetworkManagementService members
|
|
//
|
|
|
|
public String[] listInterfaces() throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
|
|
|
|
try {
|
|
return mConnector.doListCommand("interface list", NetdResponseCode.InterfaceListResult);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Cannot communicate with native daemon to list interfaces");
|
|
}
|
|
}
|
|
|
|
public InterfaceConfiguration getInterfaceConfig(String iface) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(ACCESS_NETWORK_STATE, TAG);
|
|
String rsp;
|
|
try {
|
|
rsp = mConnector.doCommand("interface getcfg " + iface).get(0);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Cannot communicate with native daemon to get interface config");
|
|
}
|
|
Slog.d(TAG, String.format("rsp <%s>", rsp));
|
|
|
|
// Rsp: 213 xx:xx:xx:xx:xx:xx yyy.yyy.yyy.yyy zzz [flag1 flag2 flag3]
|
|
StringTokenizer st = new StringTokenizer(rsp);
|
|
|
|
InterfaceConfiguration cfg;
|
|
try {
|
|
try {
|
|
int code = Integer.parseInt(st.nextToken(" "));
|
|
if (code != NetdResponseCode.InterfaceGetCfgResult) {
|
|
throw new IllegalStateException(
|
|
String.format("Expected code %d, but got %d",
|
|
NetdResponseCode.InterfaceGetCfgResult, code));
|
|
}
|
|
} catch (NumberFormatException nfe) {
|
|
throw new IllegalStateException(
|
|
String.format("Invalid response from daemon (%s)", rsp));
|
|
}
|
|
|
|
cfg = new InterfaceConfiguration();
|
|
cfg.hwAddr = st.nextToken(" ");
|
|
InetAddress addr = null;
|
|
int prefixLength = 0;
|
|
try {
|
|
addr = NetworkUtils.numericToInetAddress(st.nextToken(" "));
|
|
} catch (IllegalArgumentException iae) {
|
|
Slog.e(TAG, "Failed to parse ipaddr", iae);
|
|
}
|
|
|
|
try {
|
|
prefixLength = Integer.parseInt(st.nextToken(" "));
|
|
} catch (NumberFormatException nfe) {
|
|
Slog.e(TAG, "Failed to parse prefixLength", nfe);
|
|
}
|
|
|
|
cfg.addr = new LinkAddress(addr, prefixLength);
|
|
cfg.interfaceFlags = st.nextToken("]").trim() +"]";
|
|
} catch (NoSuchElementException nsee) {
|
|
throw new IllegalStateException(
|
|
String.format("Invalid response from daemon (%s)", rsp));
|
|
}
|
|
Slog.d(TAG, String.format("flags <%s>", cfg.interfaceFlags));
|
|
return cfg;
|
|
}
|
|
|
|
public void setInterfaceConfig(
|
|
String iface, InterfaceConfiguration cfg) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(CHANGE_NETWORK_STATE, TAG);
|
|
LinkAddress linkAddr = cfg.addr;
|
|
if (linkAddr == null || linkAddr.getAddress() == null) {
|
|
throw new IllegalStateException("Null LinkAddress given");
|
|
}
|
|
String cmd = String.format("interface setcfg %s %s %d %s", iface,
|
|
linkAddr.getAddress().getHostAddress(),
|
|
linkAddr.getNetworkPrefixLength(),
|
|
cfg.interfaceFlags);
|
|
try {
|
|
mConnector.doCommand(cmd);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate with native daemon to interface setcfg - " + e);
|
|
}
|
|
}
|
|
|
|
public void setInterfaceDown(String iface) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(CHANGE_NETWORK_STATE, TAG);
|
|
try {
|
|
InterfaceConfiguration ifcg = getInterfaceConfig(iface);
|
|
ifcg.interfaceFlags = ifcg.interfaceFlags.replace("up", "down");
|
|
setInterfaceConfig(iface, ifcg);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate with native daemon for interface down - " + e);
|
|
}
|
|
}
|
|
|
|
public void setInterfaceUp(String iface) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(CHANGE_NETWORK_STATE, TAG);
|
|
try {
|
|
InterfaceConfiguration ifcg = getInterfaceConfig(iface);
|
|
ifcg.interfaceFlags = ifcg.interfaceFlags.replace("down", "up");
|
|
setInterfaceConfig(iface, ifcg);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate with native daemon for interface up - " + e);
|
|
}
|
|
}
|
|
|
|
public void setInterfaceIpv6PrivacyExtensions(String iface, boolean enable)
|
|
throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(CHANGE_NETWORK_STATE, TAG);
|
|
String cmd = String.format("interface ipv6privacyextensions %s %s", iface,
|
|
enable ? "enable" : "disable");
|
|
try {
|
|
mConnector.doCommand(cmd);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate with native daemon to set ipv6privacyextensions - " + e);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/* TODO: This is right now a IPv4 only function. Works for wifi which loses its
|
|
IPv6 addresses on interface down, but we need to do full clean up here */
|
|
public void clearInterfaceAddresses(String iface) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(CHANGE_NETWORK_STATE, TAG);
|
|
String cmd = String.format("interface clearaddrs %s", iface);
|
|
try {
|
|
mConnector.doCommand(cmd);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate with native daemon to interface clearallips - " + e);
|
|
}
|
|
}
|
|
|
|
public void enableIpv6(String iface) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
mConnector.doCommand(String.format("interface ipv6 %s enable", iface));
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate to native daemon for enabling ipv6");
|
|
}
|
|
}
|
|
|
|
public void disableIpv6(String iface) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
mConnector.doCommand(String.format("interface ipv6 %s disable", iface));
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate to native daemon for disabling ipv6");
|
|
}
|
|
}
|
|
|
|
public void addRoute(String interfaceName, RouteInfo route) {
|
|
mContext.enforceCallingOrSelfPermission(CHANGE_NETWORK_STATE, TAG);
|
|
modifyRoute(interfaceName, ADD, route, DEFAULT);
|
|
}
|
|
|
|
public void removeRoute(String interfaceName, RouteInfo route) {
|
|
mContext.enforceCallingOrSelfPermission(CHANGE_NETWORK_STATE, TAG);
|
|
modifyRoute(interfaceName, REMOVE, route, DEFAULT);
|
|
}
|
|
|
|
public void addSecondaryRoute(String interfaceName, RouteInfo route) {
|
|
mContext.enforceCallingOrSelfPermission(CHANGE_NETWORK_STATE, TAG);
|
|
modifyRoute(interfaceName, ADD, route, SECONDARY);
|
|
}
|
|
|
|
public void removeSecondaryRoute(String interfaceName, RouteInfo route) {
|
|
mContext.enforceCallingOrSelfPermission(CHANGE_NETWORK_STATE, TAG);
|
|
modifyRoute(interfaceName, REMOVE, route, SECONDARY);
|
|
}
|
|
|
|
private void modifyRoute(String interfaceName, int action, RouteInfo route, String type) {
|
|
ArrayList<String> rsp;
|
|
|
|
StringBuilder cmd;
|
|
|
|
switch (action) {
|
|
case ADD:
|
|
{
|
|
cmd = new StringBuilder("interface route add " + interfaceName + " " + type);
|
|
break;
|
|
}
|
|
case REMOVE:
|
|
{
|
|
cmd = new StringBuilder("interface route remove " + interfaceName + " " + type);
|
|
break;
|
|
}
|
|
default:
|
|
throw new IllegalStateException("Unknown action type " + action);
|
|
}
|
|
|
|
// create triplet: dest-ip-addr prefixlength gateway-ip-addr
|
|
LinkAddress la = route.getDestination();
|
|
cmd.append(' ');
|
|
cmd.append(la.getAddress().getHostAddress());
|
|
cmd.append(' ');
|
|
cmd.append(la.getNetworkPrefixLength());
|
|
cmd.append(' ');
|
|
if (route.getGateway() == null) {
|
|
if (la.getAddress() instanceof Inet4Address) {
|
|
cmd.append("0.0.0.0");
|
|
} else {
|
|
cmd.append ("::0");
|
|
}
|
|
} else {
|
|
cmd.append(route.getGateway().getHostAddress());
|
|
}
|
|
try {
|
|
rsp = mConnector.doCommand(cmd.toString());
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate with native dameon to add routes - "
|
|
+ e);
|
|
}
|
|
|
|
if (DBG) {
|
|
for (String line : rsp) {
|
|
Log.v(TAG, "add route response is " + line);
|
|
}
|
|
}
|
|
}
|
|
|
|
private ArrayList<String> readRouteList(String filename) {
|
|
FileInputStream fstream = null;
|
|
ArrayList<String> list = new ArrayList<String>();
|
|
|
|
try {
|
|
fstream = new FileInputStream(filename);
|
|
DataInputStream in = new DataInputStream(fstream);
|
|
BufferedReader br = new BufferedReader(new InputStreamReader(in));
|
|
String s;
|
|
|
|
// throw away the title line
|
|
|
|
while (((s = br.readLine()) != null) && (s.length() != 0)) {
|
|
list.add(s);
|
|
}
|
|
} catch (IOException ex) {
|
|
// return current list, possibly empty
|
|
} finally {
|
|
if (fstream != null) {
|
|
try {
|
|
fstream.close();
|
|
} catch (IOException ex) {}
|
|
}
|
|
}
|
|
|
|
return list;
|
|
}
|
|
|
|
public RouteInfo[] getRoutes(String interfaceName) {
|
|
mContext.enforceCallingOrSelfPermission(ACCESS_NETWORK_STATE, TAG);
|
|
ArrayList<RouteInfo> routes = new ArrayList<RouteInfo>();
|
|
|
|
// v4 routes listed as:
|
|
// iface dest-addr gateway-addr flags refcnt use metric netmask mtu window IRTT
|
|
for (String s : readRouteList("/proc/net/route")) {
|
|
String[] fields = s.split("\t");
|
|
|
|
if (fields.length > 7) {
|
|
String iface = fields[0];
|
|
|
|
if (interfaceName.equals(iface)) {
|
|
String dest = fields[1];
|
|
String gate = fields[2];
|
|
String flags = fields[3]; // future use?
|
|
String mask = fields[7];
|
|
try {
|
|
// address stored as a hex string, ex: 0014A8C0
|
|
InetAddress destAddr =
|
|
NetworkUtils.intToInetAddress((int)Long.parseLong(dest, 16));
|
|
int prefixLength =
|
|
NetworkUtils.netmaskIntToPrefixLength(
|
|
(int)Long.parseLong(mask, 16));
|
|
LinkAddress linkAddress = new LinkAddress(destAddr, prefixLength);
|
|
|
|
// address stored as a hex string, ex 0014A8C0
|
|
InetAddress gatewayAddr =
|
|
NetworkUtils.intToInetAddress((int)Long.parseLong(gate, 16));
|
|
|
|
RouteInfo route = new RouteInfo(linkAddress, gatewayAddr);
|
|
routes.add(route);
|
|
} catch (Exception e) {
|
|
Log.e(TAG, "Error parsing route " + s + " : " + e);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// v6 routes listed as:
|
|
// dest-addr prefixlength ?? ?? gateway-addr ?? ?? ?? ?? iface
|
|
for (String s : readRouteList("/proc/net/ipv6_route")) {
|
|
String[]fields = s.split("\\s+");
|
|
if (fields.length > 9) {
|
|
String iface = fields[9].trim();
|
|
if (interfaceName.equals(iface)) {
|
|
String dest = fields[0];
|
|
String prefix = fields[1];
|
|
String gate = fields[4];
|
|
|
|
try {
|
|
// prefix length stored as a hex string, ex 40
|
|
int prefixLength = Integer.parseInt(prefix, 16);
|
|
|
|
// address stored as a 32 char hex string
|
|
// ex fe800000000000000000000000000000
|
|
InetAddress destAddr = NetworkUtils.hexToInet6Address(dest);
|
|
LinkAddress linkAddress = new LinkAddress(destAddr, prefixLength);
|
|
|
|
InetAddress gateAddr = NetworkUtils.hexToInet6Address(gate);
|
|
|
|
RouteInfo route = new RouteInfo(linkAddress, gateAddr);
|
|
routes.add(route);
|
|
} catch (Exception e) {
|
|
Log.e(TAG, "Error parsing route " + s + " : " + e);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return (RouteInfo[]) routes.toArray(new RouteInfo[0]);
|
|
}
|
|
|
|
public void shutdown() {
|
|
if (mContext.checkCallingOrSelfPermission(
|
|
android.Manifest.permission.SHUTDOWN)
|
|
!= PackageManager.PERMISSION_GRANTED) {
|
|
throw new SecurityException("Requires SHUTDOWN permission");
|
|
}
|
|
|
|
Slog.d(TAG, "Shutting down");
|
|
}
|
|
|
|
public boolean getIpForwardingEnabled() throws IllegalStateException{
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
|
|
|
|
ArrayList<String> rsp;
|
|
try {
|
|
rsp = mConnector.doCommand("ipfwd status");
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate with native daemon to ipfwd status");
|
|
}
|
|
|
|
for (String line : rsp) {
|
|
String[] tok = line.split(" ");
|
|
if (tok.length < 3) {
|
|
Slog.e(TAG, "Malformed response from native daemon: " + line);
|
|
return false;
|
|
}
|
|
|
|
int code = Integer.parseInt(tok[0]);
|
|
if (code == NetdResponseCode.IpFwdStatusResult) {
|
|
// 211 Forwarding <enabled/disabled>
|
|
return "enabled".equals(tok[2]);
|
|
} else {
|
|
throw new IllegalStateException(String.format("Unexpected response code %d", code));
|
|
}
|
|
}
|
|
throw new IllegalStateException("Got an empty response");
|
|
}
|
|
|
|
public void setIpForwardingEnabled(boolean enable) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
mConnector.doCommand(String.format("ipfwd %sable", (enable ? "en" : "dis")));
|
|
}
|
|
|
|
public void startTethering(String[] dhcpRange)
|
|
throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
// cmd is "tether start first_start first_stop second_start second_stop ..."
|
|
// an odd number of addrs will fail
|
|
String cmd = "tether start";
|
|
for (String d : dhcpRange) {
|
|
cmd += " " + d;
|
|
}
|
|
|
|
try {
|
|
mConnector.doCommand(cmd);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Unable to communicate to native daemon");
|
|
}
|
|
}
|
|
|
|
public void stopTethering() throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
mConnector.doCommand("tether stop");
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Unable to communicate to native daemon to stop tether");
|
|
}
|
|
}
|
|
|
|
public boolean isTetheringStarted() throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
|
|
|
|
ArrayList<String> rsp;
|
|
try {
|
|
rsp = mConnector.doCommand("tether status");
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate to native daemon to get tether status");
|
|
}
|
|
|
|
for (String line : rsp) {
|
|
String[] tok = line.split(" ");
|
|
if (tok.length < 3) {
|
|
throw new IllegalStateException("Malformed response for tether status: " + line);
|
|
}
|
|
int code = Integer.parseInt(tok[0]);
|
|
if (code == NetdResponseCode.TetherStatusResult) {
|
|
// XXX: Tethering services <started/stopped> <TBD>...
|
|
return "started".equals(tok[2]);
|
|
} else {
|
|
throw new IllegalStateException(String.format("Unexpected response code %d", code));
|
|
}
|
|
}
|
|
throw new IllegalStateException("Got an empty response");
|
|
}
|
|
|
|
public void tetherInterface(String iface) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
mConnector.doCommand("tether interface add " + iface);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate to native daemon for adding tether interface");
|
|
}
|
|
}
|
|
|
|
public void untetherInterface(String iface) {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
mConnector.doCommand("tether interface remove " + iface);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate to native daemon for removing tether interface");
|
|
}
|
|
}
|
|
|
|
public String[] listTetheredInterfaces() throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
return mConnector.doListCommand(
|
|
"tether interface list", NetdResponseCode.TetherInterfaceListResult);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate to native daemon for listing tether interfaces");
|
|
}
|
|
}
|
|
|
|
public void setDnsForwarders(String[] dns) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
String cmd = "tether dns set";
|
|
for (String s : dns) {
|
|
cmd += " " + NetworkUtils.numericToInetAddress(s).getHostAddress();
|
|
}
|
|
try {
|
|
mConnector.doCommand(cmd);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate to native daemon for setting tether dns");
|
|
}
|
|
} catch (IllegalArgumentException e) {
|
|
throw new IllegalStateException("Error resolving dns name", e);
|
|
}
|
|
}
|
|
|
|
public String[] getDnsForwarders() throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
return mConnector.doListCommand(
|
|
"tether dns list", NetdResponseCode.TetherDnsFwdTgtListResult);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate to native daemon for listing tether dns");
|
|
}
|
|
}
|
|
|
|
private void modifyNat(String cmd, String internalInterface, String externalInterface)
|
|
throws SocketException {
|
|
cmd = String.format("nat %s %s %s", cmd, internalInterface, externalInterface);
|
|
|
|
NetworkInterface internalNetworkInterface =
|
|
NetworkInterface.getByName(internalInterface);
|
|
Collection<InterfaceAddress>interfaceAddresses =
|
|
internalNetworkInterface.getInterfaceAddresses();
|
|
cmd += " " + interfaceAddresses.size();
|
|
for (InterfaceAddress ia : interfaceAddresses) {
|
|
InetAddress addr = NetworkUtils.getNetworkPart(ia.getAddress(),
|
|
ia.getNetworkPrefixLength());
|
|
cmd = cmd + " " + addr.getHostAddress() + "/" + ia.getNetworkPrefixLength();
|
|
}
|
|
|
|
mConnector.doCommand(cmd);
|
|
}
|
|
|
|
public void enableNat(String internalInterface, String externalInterface)
|
|
throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
if (DBG) Log.d(TAG, "enableNat(" + internalInterface + ", " + externalInterface + ")");
|
|
try {
|
|
modifyNat("enable", internalInterface, externalInterface);
|
|
} catch (Exception e) {
|
|
Log.e(TAG, "enableNat got Exception " + e.toString());
|
|
throw new IllegalStateException(
|
|
"Unable to communicate to native daemon for enabling NAT interface");
|
|
}
|
|
}
|
|
|
|
public void disableNat(String internalInterface, String externalInterface)
|
|
throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
if (DBG) Log.d(TAG, "disableNat(" + internalInterface + ", " + externalInterface + ")");
|
|
try {
|
|
modifyNat("disable", internalInterface, externalInterface);
|
|
} catch (Exception e) {
|
|
Log.e(TAG, "disableNat got Exception " + e.toString());
|
|
throw new IllegalStateException(
|
|
"Unable to communicate to native daemon for disabling NAT interface");
|
|
}
|
|
}
|
|
|
|
public String[] listTtys() throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
return mConnector.doListCommand("list_ttys", NetdResponseCode.TtyListResult);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Unable to communicate to native daemon for listing TTYs");
|
|
}
|
|
}
|
|
|
|
public void attachPppd(String tty, String localAddr, String remoteAddr, String dns1Addr,
|
|
String dns2Addr) throws IllegalStateException {
|
|
try {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
mConnector.doCommand(String.format("pppd attach %s %s %s %s %s", tty,
|
|
NetworkUtils.numericToInetAddress(localAddr).getHostAddress(),
|
|
NetworkUtils.numericToInetAddress(remoteAddr).getHostAddress(),
|
|
NetworkUtils.numericToInetAddress(dns1Addr).getHostAddress(),
|
|
NetworkUtils.numericToInetAddress(dns2Addr).getHostAddress()));
|
|
} catch (IllegalArgumentException e) {
|
|
throw new IllegalStateException("Error resolving addr", e);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Error communicating to native daemon to attach pppd", e);
|
|
}
|
|
}
|
|
|
|
public void detachPppd(String tty) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
mConnector.doCommand(String.format("pppd detach %s", tty));
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Error communicating to native daemon to detach pppd", e);
|
|
}
|
|
}
|
|
|
|
public void startAccessPoint(WifiConfiguration wifiConfig, String wlanIface, String softapIface)
|
|
throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_WIFI_STATE, "NetworkManagementService");
|
|
try {
|
|
wifiFirmwareReload(wlanIface, "AP");
|
|
mConnector.doCommand(String.format("softap start " + wlanIface));
|
|
if (wifiConfig == null) {
|
|
mConnector.doCommand(String.format("softap set " + wlanIface + " " + softapIface));
|
|
} else {
|
|
/**
|
|
* softap set arg1 arg2 arg3 [arg4 arg5 arg6 arg7 arg8]
|
|
* argv1 - wlan interface
|
|
* argv2 - softap interface
|
|
* argv3 - SSID
|
|
* argv4 - Security
|
|
* argv5 - Key
|
|
* argv6 - Channel
|
|
* argv7 - Preamble
|
|
* argv8 - Max SCB
|
|
*/
|
|
String str = String.format("softap set " + wlanIface + " " + softapIface +
|
|
" %s %s %s", convertQuotedString(wifiConfig.SSID),
|
|
getSecurityType(wifiConfig),
|
|
convertQuotedString(wifiConfig.preSharedKey));
|
|
mConnector.doCommand(str);
|
|
}
|
|
mConnector.doCommand(String.format("softap startap"));
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Error communicating to native daemon to start softap", e);
|
|
}
|
|
}
|
|
|
|
private String convertQuotedString(String s) {
|
|
if (s == null) {
|
|
return s;
|
|
}
|
|
/* Replace \ with \\, then " with \" and add quotes at end */
|
|
return '"' + s.replaceAll("\\\\","\\\\\\\\").replaceAll("\"","\\\\\"") + '"';
|
|
}
|
|
|
|
private String getSecurityType(WifiConfiguration wifiConfig) {
|
|
switch (wifiConfig.getAuthType()) {
|
|
case KeyMgmt.WPA_PSK:
|
|
return "wpa-psk";
|
|
case KeyMgmt.WPA2_PSK:
|
|
return "wpa2-psk";
|
|
default:
|
|
return "open";
|
|
}
|
|
}
|
|
|
|
/* @param mode can be "AP", "STA" or "P2P" */
|
|
public void wifiFirmwareReload(String wlanIface, String mode) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_WIFI_STATE, "NetworkManagementService");
|
|
|
|
try {
|
|
mConnector.doCommand(String.format("softap fwreload " + wlanIface + " " + mode));
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Error communicating to native daemon ", e);
|
|
}
|
|
}
|
|
|
|
public void stopAccessPoint(String wlanIface) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_WIFI_STATE, "NetworkManagementService");
|
|
try {
|
|
mConnector.doCommand("softap stopap");
|
|
mConnector.doCommand("softap stop " + wlanIface);
|
|
wifiFirmwareReload(wlanIface, "STA");
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Error communicating to native daemon to stop soft AP",
|
|
e);
|
|
}
|
|
}
|
|
|
|
public void setAccessPoint(WifiConfiguration wifiConfig, String wlanIface, String softapIface)
|
|
throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_WIFI_STATE, "NetworkManagementService");
|
|
try {
|
|
if (wifiConfig == null) {
|
|
mConnector.doCommand(String.format("softap set " + wlanIface + " " + softapIface));
|
|
} else {
|
|
String str = String.format("softap set " + wlanIface + " " + softapIface
|
|
+ " %s %s %s", convertQuotedString(wifiConfig.SSID),
|
|
getSecurityType(wifiConfig),
|
|
convertQuotedString(wifiConfig.preSharedKey));
|
|
mConnector.doCommand(str);
|
|
}
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Error communicating to native daemon to set soft AP",
|
|
e);
|
|
}
|
|
}
|
|
|
|
private long getInterfaceCounter(String iface, boolean rx) {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
String rsp;
|
|
try {
|
|
rsp = mConnector.doCommand(
|
|
String.format("interface read%scounter %s", (rx ? "rx" : "tx"), iface)).get(0);
|
|
} catch (NativeDaemonConnectorException e1) {
|
|
Slog.e(TAG, "Error communicating with native daemon", e1);
|
|
return -1;
|
|
}
|
|
|
|
String[] tok = rsp.split(" ");
|
|
if (tok.length < 2) {
|
|
Slog.e(TAG, String.format("Malformed response for reading %s interface",
|
|
(rx ? "rx" : "tx")));
|
|
return -1;
|
|
}
|
|
|
|
int code;
|
|
try {
|
|
code = Integer.parseInt(tok[0]);
|
|
} catch (NumberFormatException nfe) {
|
|
Slog.e(TAG, String.format("Error parsing code %s", tok[0]));
|
|
return -1;
|
|
}
|
|
if ((rx && code != NetdResponseCode.InterfaceRxCounterResult) || (
|
|
!rx && code != NetdResponseCode.InterfaceTxCounterResult)) {
|
|
Slog.e(TAG, String.format("Unexpected response code %d", code));
|
|
return -1;
|
|
}
|
|
return Long.parseLong(tok[1]);
|
|
} catch (Exception e) {
|
|
Slog.e(TAG, String.format(
|
|
"Failed to read interface %s counters", (rx ? "rx" : "tx")), e);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
@Override
|
|
public NetworkStats getNetworkStatsSummary() {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
|
|
return mStatsFactory.readNetworkStatsSummary();
|
|
}
|
|
|
|
@Override
|
|
public NetworkStats getNetworkStatsDetail() {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
|
|
return mStatsFactory.readNetworkStatsDetail(UID_ALL);
|
|
}
|
|
|
|
@Override
|
|
public void setInterfaceQuota(String iface, long quotaBytes) {
|
|
mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG);
|
|
|
|
// silently discard when control disabled
|
|
// TODO: eventually migrate to be always enabled
|
|
if (!mBandwidthControlEnabled) return;
|
|
|
|
synchronized (mQuotaLock) {
|
|
if (mActiveQuotaIfaces.contains(iface)) {
|
|
throw new IllegalStateException("iface " + iface + " already has quota");
|
|
}
|
|
|
|
final StringBuilder command = new StringBuilder();
|
|
command.append("bandwidth setiquota ").append(iface).append(" ").append(quotaBytes);
|
|
|
|
try {
|
|
// TODO: support quota shared across interfaces
|
|
mConnector.doCommand(command.toString());
|
|
mActiveQuotaIfaces.add(iface);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Error communicating to native daemon", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void removeInterfaceQuota(String iface) {
|
|
mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG);
|
|
|
|
// silently discard when control disabled
|
|
// TODO: eventually migrate to be always enabled
|
|
if (!mBandwidthControlEnabled) return;
|
|
|
|
synchronized (mQuotaLock) {
|
|
if (!mActiveQuotaIfaces.contains(iface)) {
|
|
// TODO: eventually consider throwing
|
|
return;
|
|
}
|
|
|
|
final StringBuilder command = new StringBuilder();
|
|
command.append("bandwidth removeiquota ").append(iface);
|
|
|
|
mActiveQuotaIfaces.remove(iface);
|
|
mActiveAlertIfaces.remove(iface);
|
|
|
|
try {
|
|
// TODO: support quota shared across interfaces
|
|
mConnector.doCommand(command.toString());
|
|
} catch (NativeDaemonConnectorException e) {
|
|
// TODO: include current iptables state
|
|
throw new IllegalStateException("Error communicating to native daemon", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void setInterfaceAlert(String iface, long alertBytes) {
|
|
mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG);
|
|
|
|
// silently discard when control disabled
|
|
// TODO: eventually migrate to be always enabled
|
|
if (!mBandwidthControlEnabled) return;
|
|
|
|
// quick sanity check
|
|
if (!mActiveQuotaIfaces.contains(iface)) {
|
|
throw new IllegalStateException("setting alert requires existing quota on iface");
|
|
}
|
|
|
|
synchronized (mQuotaLock) {
|
|
if (mActiveAlertIfaces.contains(iface)) {
|
|
throw new IllegalStateException("iface " + iface + " already has alert");
|
|
}
|
|
|
|
final StringBuilder command = new StringBuilder();
|
|
command.append("bandwidth setinterfacealert ").append(iface).append(" ").append(
|
|
alertBytes);
|
|
|
|
try {
|
|
// TODO: support alert shared across interfaces
|
|
mConnector.doCommand(command.toString());
|
|
mActiveAlertIfaces.add(iface);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Error communicating to native daemon", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void removeInterfaceAlert(String iface) {
|
|
mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG);
|
|
|
|
// silently discard when control disabled
|
|
// TODO: eventually migrate to be always enabled
|
|
if (!mBandwidthControlEnabled) return;
|
|
|
|
synchronized (mQuotaLock) {
|
|
if (!mActiveAlertIfaces.contains(iface)) {
|
|
// TODO: eventually consider throwing
|
|
return;
|
|
}
|
|
|
|
final StringBuilder command = new StringBuilder();
|
|
command.append("bandwidth removeinterfacealert ").append(iface);
|
|
|
|
try {
|
|
// TODO: support alert shared across interfaces
|
|
mConnector.doCommand(command.toString());
|
|
mActiveAlertIfaces.remove(iface);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Error communicating to native daemon", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void setGlobalAlert(long alertBytes) {
|
|
mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG);
|
|
|
|
// silently discard when control disabled
|
|
// TODO: eventually migrate to be always enabled
|
|
if (!mBandwidthControlEnabled) return;
|
|
|
|
final StringBuilder command = new StringBuilder();
|
|
command.append("bandwidth setglobalalert ").append(alertBytes);
|
|
|
|
try {
|
|
mConnector.doCommand(command.toString());
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Error communicating to native daemon", e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void setUidNetworkRules(int uid, boolean rejectOnQuotaInterfaces) {
|
|
mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG);
|
|
|
|
// silently discard when control disabled
|
|
// TODO: eventually migrate to be always enabled
|
|
if (!mBandwidthControlEnabled) return;
|
|
|
|
synchronized (mUidRejectOnQuota) {
|
|
final boolean oldRejectOnQuota = mUidRejectOnQuota.get(uid, false);
|
|
if (oldRejectOnQuota == rejectOnQuotaInterfaces) {
|
|
// TODO: eventually consider throwing
|
|
return;
|
|
}
|
|
|
|
final StringBuilder command = new StringBuilder();
|
|
command.append("bandwidth");
|
|
if (rejectOnQuotaInterfaces) {
|
|
command.append(" addnaughtyapps");
|
|
} else {
|
|
command.append(" removenaughtyapps");
|
|
}
|
|
command.append(" ").append(uid);
|
|
|
|
try {
|
|
mConnector.doCommand(command.toString());
|
|
if (rejectOnQuotaInterfaces) {
|
|
mUidRejectOnQuota.put(uid, true);
|
|
} else {
|
|
mUidRejectOnQuota.delete(uid);
|
|
}
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Error communicating to native daemon", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public boolean isBandwidthControlEnabled() {
|
|
mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG);
|
|
return mBandwidthControlEnabled;
|
|
}
|
|
|
|
@Override
|
|
public NetworkStats getNetworkStatsUidDetail(int uid) {
|
|
if (Binder.getCallingUid() != uid) {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
|
|
}
|
|
return mStatsFactory.readNetworkStatsDetail(uid);
|
|
}
|
|
|
|
@Override
|
|
public NetworkStats getNetworkStatsTethering(String[] ifacePairs) {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
|
|
|
|
if (ifacePairs.length % 2 != 0) {
|
|
throw new IllegalArgumentException(
|
|
"unexpected ifacePairs; length=" + ifacePairs.length);
|
|
}
|
|
|
|
final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 1);
|
|
for (int i = 0; i < ifacePairs.length; i += 2) {
|
|
final String ifaceIn = ifacePairs[i];
|
|
final String ifaceOut = ifacePairs[i + 1];
|
|
if (ifaceIn != null && ifaceOut != null) {
|
|
stats.combineValues(getNetworkStatsTethering(ifaceIn, ifaceOut));
|
|
}
|
|
}
|
|
return stats;
|
|
}
|
|
|
|
private NetworkStats.Entry getNetworkStatsTethering(String ifaceIn, String ifaceOut) {
|
|
final StringBuilder command = new StringBuilder();
|
|
command.append("bandwidth gettetherstats ").append(ifaceIn).append(" ").append(ifaceOut);
|
|
|
|
final String rsp;
|
|
try {
|
|
rsp = mConnector.doCommand(command.toString()).get(0);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException("Error communicating to native daemon", e);
|
|
}
|
|
|
|
final String[] tok = rsp.split(" ");
|
|
/* Expecting: "code ifaceIn ifaceOut rx_bytes rx_packets tx_bytes tx_packets" */
|
|
if (tok.length != 7) {
|
|
throw new IllegalStateException("Native daemon returned unexpected result: " + rsp);
|
|
}
|
|
|
|
final int code;
|
|
try {
|
|
code = Integer.parseInt(tok[0]);
|
|
} catch (NumberFormatException e) {
|
|
throw new IllegalStateException(
|
|
"Failed to parse native daemon return code for " + ifaceIn + " " + ifaceOut);
|
|
}
|
|
if (code != NetdResponseCode.TetheringStatsResult) {
|
|
throw new IllegalStateException(
|
|
"Unexpected return code from native daemon for " + ifaceIn + " " + ifaceOut);
|
|
}
|
|
|
|
try {
|
|
final NetworkStats.Entry entry = new NetworkStats.Entry();
|
|
entry.iface = ifaceIn;
|
|
entry.uid = UID_TETHERING;
|
|
entry.set = SET_DEFAULT;
|
|
entry.tag = TAG_NONE;
|
|
entry.rxBytes = Long.parseLong(tok[3]);
|
|
entry.rxPackets = Long.parseLong(tok[4]);
|
|
entry.txBytes = Long.parseLong(tok[5]);
|
|
entry.txPackets = Long.parseLong(tok[6]);
|
|
return entry;
|
|
} catch (NumberFormatException e) {
|
|
throw new IllegalStateException(
|
|
"problem parsing tethering stats for " + ifaceIn + " " + ifaceOut + ": " + e);
|
|
}
|
|
}
|
|
|
|
public void setInterfaceThrottle(String iface, int rxKbps, int txKbps) {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
mConnector.doCommand(String.format(
|
|
"interface setthrottle %s %d %d", iface, rxKbps, txKbps));
|
|
} catch (NativeDaemonConnectorException e) {
|
|
Slog.e(TAG, "Error communicating with native daemon to set throttle", e);
|
|
}
|
|
}
|
|
|
|
private int getInterfaceThrottle(String iface, boolean rx) {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.ACCESS_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
String rsp;
|
|
try {
|
|
rsp = mConnector.doCommand(
|
|
String.format("interface getthrottle %s %s", iface,
|
|
(rx ? "rx" : "tx"))).get(0);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
Slog.e(TAG, "Error communicating with native daemon to getthrottle", e);
|
|
return -1;
|
|
}
|
|
|
|
String[] tok = rsp.split(" ");
|
|
if (tok.length < 2) {
|
|
Slog.e(TAG, "Malformed response to getthrottle command");
|
|
return -1;
|
|
}
|
|
|
|
int code;
|
|
try {
|
|
code = Integer.parseInt(tok[0]);
|
|
} catch (NumberFormatException nfe) {
|
|
Slog.e(TAG, String.format("Error parsing code %s", tok[0]));
|
|
return -1;
|
|
}
|
|
if ((rx && code != NetdResponseCode.InterfaceRxThrottleResult) || (
|
|
!rx && code != NetdResponseCode.InterfaceTxThrottleResult)) {
|
|
Slog.e(TAG, String.format("Unexpected response code %d", code));
|
|
return -1;
|
|
}
|
|
return Integer.parseInt(tok[1]);
|
|
} catch (Exception e) {
|
|
Slog.e(TAG, String.format(
|
|
"Failed to read interface %s throttle value", (rx ? "rx" : "tx")), e);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
public int getInterfaceRxThrottle(String iface) {
|
|
return getInterfaceThrottle(iface, true);
|
|
}
|
|
|
|
public int getInterfaceTxThrottle(String iface) {
|
|
return getInterfaceThrottle(iface, false);
|
|
}
|
|
|
|
public void setDefaultInterfaceForDns(String iface) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
String cmd = "resolver setdefaultif " + iface;
|
|
|
|
mConnector.doCommand(cmd);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Error communicating with native daemon to set default interface", e);
|
|
}
|
|
}
|
|
|
|
public void setDnsServersForInterface(String iface, String[] servers)
|
|
throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CHANGE_NETWORK_STATE,
|
|
"NetworkManagementService");
|
|
try {
|
|
String cmd = "resolver setifdns " + iface;
|
|
for (String s : servers) {
|
|
InetAddress a = NetworkUtils.numericToInetAddress(s);
|
|
if (a.isAnyLocalAddress() == false) {
|
|
cmd += " " + a.getHostAddress();
|
|
}
|
|
}
|
|
mConnector.doCommand(cmd);
|
|
} catch (IllegalArgumentException e) {
|
|
throw new IllegalStateException("Error setting dnsn for interface", e);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Error communicating with native daemon to set dns for interface", e);
|
|
}
|
|
}
|
|
|
|
public void flushDefaultDnsCache() throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
String cmd = "resolver flushdefaultif";
|
|
|
|
mConnector.doCommand(cmd);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Error communicating with native deamon to flush default interface", e);
|
|
}
|
|
}
|
|
|
|
public void flushInterfaceDnsCache(String iface) throws IllegalStateException {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.CHANGE_NETWORK_STATE, "NetworkManagementService");
|
|
try {
|
|
String cmd = "resolver flushif " + iface;
|
|
|
|
mConnector.doCommand(cmd);
|
|
} catch (NativeDaemonConnectorException e) {
|
|
throw new IllegalStateException(
|
|
"Error communicating with native daemon to flush interface " + iface, e);
|
|
}
|
|
}
|
|
|
|
/** {@inheritDoc} */
|
|
public void monitor() {
|
|
if (mConnector != null) {
|
|
mConnector.monitor();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
|
|
mContext.enforceCallingOrSelfPermission(DUMP, TAG);
|
|
|
|
pw.print("Bandwidth control enabled: "); pw.println(mBandwidthControlEnabled);
|
|
|
|
synchronized (mQuotaLock) {
|
|
pw.print("Active quota ifaces: "); pw.println(mActiveQuotaIfaces.toString());
|
|
pw.print("Active alert ifaces: "); pw.println(mActiveAlertIfaces.toString());
|
|
}
|
|
|
|
synchronized (mUidRejectOnQuota) {
|
|
pw.print("UID reject on quota ifaces: [");
|
|
final int size = mUidRejectOnQuota.size();
|
|
for (int i = 0; i < size; i++) {
|
|
pw.print(mUidRejectOnQuota.keyAt(i));
|
|
if (i < size - 1) pw.print(",");
|
|
}
|
|
pw.println("]");
|
|
}
|
|
}
|
|
}
|