From c206a91d320995f37f8abb33188bfd384249da3d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Parm=C3=A9nides=20GV?= Date: Mon, 7 Apr 2014 20:43:34 +0200 Subject: Next step: compile jni sources correctly. --- .../main/java/se/leap/openvpn/OpenVpnService.java | 504 +++++++++++++++++++++ 1 file changed, 504 insertions(+) create mode 100644 app/src/main/java/se/leap/openvpn/OpenVpnService.java (limited to 'app/src/main/java/se/leap/openvpn/OpenVpnService.java') diff --git a/app/src/main/java/se/leap/openvpn/OpenVpnService.java b/app/src/main/java/se/leap/openvpn/OpenVpnService.java new file mode 100644 index 00000000..b5c9c798 --- /dev/null +++ b/app/src/main/java/se/leap/openvpn/OpenVpnService.java @@ -0,0 +1,504 @@ +package se.leap.openvpn; + +import java.io.IOException; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.util.Vector; + +import se.leap.bitmaskclient.Dashboard; +import se.leap.bitmaskclient.R; +import android.annotation.TargetApi; +import android.app.Notification; +import android.app.NotificationManager; +import android.app.PendingIntent; +import android.content.Context; +import android.content.Intent; +import android.content.IntentFilter; +import android.net.ConnectivityManager; +import android.net.LocalServerSocket; +import android.net.LocalSocket; +import android.net.LocalSocketAddress; +import android.net.VpnService; +import android.os.Binder; +import android.os.Handler.Callback; +import android.os.Build; +import android.os.IBinder; +import android.os.Message; +import android.os.ParcelFileDescriptor; +import se.leap.openvpn.OpenVPN.StateListener; + +public class OpenVpnService extends VpnService implements StateListener, Callback { + public static final String START_SERVICE = "se.leap.openvpn.START_SERVICE"; + public static final String RETRIEVE_SERVICE = "se.leap.openvpn.RETRIEVE_SERVICE"; + + private Thread mProcessThread=null; + + private Vector mDnslist=new Vector(); + + private VpnProfile mProfile; + + private String mDomain=null; + + private Vector mRoutes=new Vector(); + private Vector mRoutesv6=new Vector(); + + private CIDRIP mLocalIP=null; + + private OpenVpnManagementThread mSocketManager; + + private Thread mSocketManagerThread; + private int mMtu; + private String mLocalIPv6=null; + private NetworkSateReceiver mNetworkStateReceiver; + private NotificationManager mNotificationManager; + + private boolean mDisplayBytecount=false; + + private boolean mStarting=false; + + private long mConnecttime; + + + private static final int OPENVPN_STATUS = 1; + + public static final int PROTECT_FD = 0; + + private final IBinder mBinder = new LocalBinder(); + + public class LocalBinder extends Binder { + public OpenVpnService getService() { + // Return this instance of LocalService so clients can call public methods + return OpenVpnService.this; + } + } + + @Override + public IBinder onBind(Intent intent) { + String action = intent.getAction(); + if( action !=null && (action.equals(START_SERVICE) || action.equals(RETRIEVE_SERVICE)) ) + return mBinder; + else + return super.onBind(intent); + } + + @Override + public void onRevoke() { + OpenVpnManagementThread.stopOpenVPN(); + endVpnService(); + } + + // Similar to revoke but do not try to stop process + public void processDied() { + endVpnService(); + } + + private void endVpnService() { + mProcessThread=null; + OpenVPN.logBuilderConfig(null); + ProfileManager.setConntectedVpnProfileDisconnected(this); + if(!mStarting) { + stopSelf(); + stopForeground(true); + } + } + + private void showNotification(String state, String msg, String tickerText, boolean lowpriority, long when, boolean persistant) { + String ns = Context.NOTIFICATION_SERVICE; + mNotificationManager = (NotificationManager) getSystemService(ns); + int icon; + if (state.equals("NOPROCESS") || state.equals("AUTH_FAILED") || state.equals("NONETWORK") || state.equals("EXITING")){ + icon = R.drawable.ic_vpn_disconnected; + }else{ + icon = R.drawable.ic_stat_vpn; + } + + android.app.Notification.Builder nbuilder = new Notification.Builder(this); + + nbuilder.setContentTitle(getString(R.string.notifcation_title,mProfile.mLocation)); + nbuilder.setContentText(msg); + nbuilder.setOnlyAlertOnce(true); + nbuilder.setOngoing(persistant); + nbuilder.setContentIntent(getLogPendingIntent()); + nbuilder.setSmallIcon(icon); + if(when !=0) + nbuilder.setWhen(when); + + + // Try to set the priority available since API 16 (Jellybean) + jbNotificationExtras(lowpriority, nbuilder); + if(tickerText!=null) + nbuilder.setTicker(tickerText); + + @SuppressWarnings("deprecation") + Notification notification = nbuilder.getNotification(); + + + mNotificationManager.notify(OPENVPN_STATUS, notification); + } + + @TargetApi(Build.VERSION_CODES.JELLY_BEAN) + private void jbNotificationExtras(boolean lowpriority, + android.app.Notification.Builder nbuilder) { + try { + if(lowpriority) { + Method setpriority = nbuilder.getClass().getMethod("setPriority", int.class); + // PRIORITY_MIN == -2 + setpriority.invoke(nbuilder, -2 ); + + nbuilder.setUsesChronometer(true); + /* PendingIntent cancelconnet=null; + + nbuilder.addAction(android.R.drawable.ic_menu_close_clear_cancel, + getString(R.string.cancel_connection),cancelconnet); */ + } + + //ignore exception + } catch (NoSuchMethodException nsm) { + } catch (IllegalArgumentException e) { + } catch (IllegalAccessException e) { + } catch (InvocationTargetException e) { + } + + } + + PendingIntent getLogPendingIntent() { + // Let the configure Button show the Dashboard + Intent intent = new Intent(Dashboard.getAppContext(),Dashboard.class); + intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); + PendingIntent startLW = PendingIntent.getActivity(getApplicationContext(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); + intent.addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT); + return startLW; + + } + + + private LocalServerSocket openManagmentInterface(int tries) { + // Could take a while to open connection + String socketname = (getCacheDir().getAbsolutePath() + "/" + "mgmtsocket"); + LocalSocket sock = new LocalSocket(); + + while(tries > 0 && !sock.isConnected()) { + try { + sock.bind(new LocalSocketAddress(socketname, + LocalSocketAddress.Namespace.FILESYSTEM)); + } catch (IOException e) { + // wait 300 ms before retrying + try { Thread.sleep(300); + } catch (InterruptedException e1) {} + + } + tries--; + } + + try { + LocalServerSocket lss = new LocalServerSocket(sock.getFileDescriptor()); + return lss; + } catch (IOException e) { + e.printStackTrace(); + } + return null; + + + } + + void registerNetworkStateReceiver() { + // Registers BroadcastReceiver to track network connection changes. + IntentFilter filter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION); + mNetworkStateReceiver = new NetworkSateReceiver(mSocketManager); + this.registerReceiver(mNetworkStateReceiver, filter); + } + + + @Override + public int onStartCommand(Intent intent, int flags, int startId) { + + if( intent != null && intent.getAction() !=null && + (intent.getAction().equals(START_SERVICE) || intent.getAction().equals(RETRIEVE_SERVICE)) ) + return START_NOT_STICKY; + + + // Extract information from the intent. + String prefix = getPackageName(); + String[] argv = intent.getStringArrayExtra(prefix + ".ARGV"); + String nativelibdir = intent.getStringExtra(prefix + ".nativelib"); + String profileUUID = intent.getStringExtra(prefix + ".profileUUID"); + + mProfile = ProfileManager.get(profileUUID); + + //showNotification("Starting VPN " + mProfile.mName,"Starting VPN " + mProfile.mName, false,0); + + + OpenVPN.addStateListener(this); + + // Set a flag that we are starting a new VPN + mStarting=true; + // Stop the previous session by interrupting the thread. + if(OpenVpnManagementThread.stopOpenVPN()){ + // an old was asked to exit, wait 2s + try { + Thread.sleep(1000); + } catch (InterruptedException e) { + } + } + + if (mProcessThread!=null) { + mProcessThread.interrupt(); + try { + Thread.sleep(1000); + } catch (InterruptedException e) { + } + } + // An old running VPN should now be exited + mStarting=false; + + + // Open the Management Interface + LocalServerSocket mgmtsocket = openManagmentInterface(8); + + if(mgmtsocket!=null) { + // start a Thread that handles incoming messages of the managment socket + mSocketManager = new OpenVpnManagementThread(mProfile,mgmtsocket,this); + mSocketManagerThread = new Thread(mSocketManager,"OpenVPNMgmtThread"); + mSocketManagerThread.start(); + OpenVPN.logInfo("started Socket Thread"); + registerNetworkStateReceiver(); + } + + + // Start a new session by creating a new thread. + OpenVPNThread processThread = new OpenVPNThread(this, argv,nativelibdir); + + mProcessThread = new Thread(processThread, "OpenVPNProcessThread"); + mProcessThread.start(); + + ProfileManager.setConnectedVpnProfile(this, mProfile); + + return START_NOT_STICKY; + } + + @Override + public void onDestroy() { + if (mProcessThread != null) { + mSocketManager.managmentCommand("signal SIGINT\n"); + + mProcessThread.interrupt(); + } + if (mNetworkStateReceiver!= null) { + this.unregisterReceiver(mNetworkStateReceiver); + } + + } + + + + public ParcelFileDescriptor openTun() { + Builder builder = new Builder(); + + if(mLocalIP==null && mLocalIPv6==null) { + OpenVPN.logMessage(0, "", getString(R.string.opentun_no_ipaddr)); + return null; + } + + if(mLocalIP!=null) { + builder.addAddress(mLocalIP.mIp, mLocalIP.len); + } + + if(mLocalIPv6!=null) { + String[] ipv6parts = mLocalIPv6.split("/"); + builder.addAddress(ipv6parts[0],Integer.parseInt(ipv6parts[1])); + } + + + for (String dns : mDnslist ) { + try { + builder.addDnsServer(dns); + } catch (IllegalArgumentException iae) { + OpenVPN.logError(R.string.dns_add_error, dns,iae.getLocalizedMessage()); + } + } + + + builder.setMtu(mMtu); + + + for (CIDRIP route:mRoutes) { + try { + builder.addRoute(route.mIp, route.len); + } catch (IllegalArgumentException ia) { + OpenVPN.logMessage(0, "", getString(R.string.route_rejected) + route + " " + ia.getLocalizedMessage()); + } + } + + for(String v6route:mRoutesv6) { + try { + String[] v6parts = v6route.split("/"); + builder.addRoute(v6parts[0],Integer.parseInt(v6parts[1])); + } catch (IllegalArgumentException ia) { + OpenVPN.logMessage(0, "", getString(R.string.route_rejected) + v6route + " " + ia.getLocalizedMessage()); + } + } + + if(mDomain!=null) + builder.addSearchDomain(mDomain); + + String bconfig[] = new String[6]; + + bconfig[0]= getString(R.string.last_openvpn_tun_config); + bconfig[1] = getString(R.string.local_ip_info,mLocalIP.mIp,mLocalIP.len,mLocalIPv6, mMtu); + bconfig[2] = getString(R.string.dns_server_info, joinString(mDnslist)); + bconfig[3] = getString(R.string.dns_domain_info, mDomain); + bconfig[4] = getString(R.string.routes_info, joinString(mRoutes)); + bconfig[5] = getString(R.string.routes_info6, joinString(mRoutesv6)); + + String session = mProfile.mLocation; + /* we don't want the IP address in the notification bar + if(mLocalIP!=null && mLocalIPv6!=null) + session = getString(R.string.session_ipv6string,session, mLocalIP, mLocalIPv6); + else if (mLocalIP !=null) + session= getString(R.string.session_ipv4string, session, mLocalIP); + */ + builder.setSession(session); + + + OpenVPN.logBuilderConfig(bconfig); + + // No DNS Server, log a warning + if(mDnslist.size()==0) + OpenVPN.logInfo(R.string.warn_no_dns); + + // Reset information + mDnslist.clear(); + mRoutes.clear(); + mRoutesv6.clear(); + mLocalIP=null; + mLocalIPv6=null; + mDomain=null; + + builder.setConfigureIntent(getLogPendingIntent()); + + try { + ParcelFileDescriptor pfd = builder.establish(); + return pfd; + } catch (Exception e) { + OpenVPN.logMessage(0, "", getString(R.string.tun_open_error)); + OpenVPN.logMessage(0, "", getString(R.string.error) + e.getLocalizedMessage()); + OpenVPN.logMessage(0, "", getString(R.string.tun_error_helpful)); + return null; + } + + } + + + // Ugly, but java has no such method + private String joinString(Vector vec) { + String ret = ""; + if(vec.size() > 0){ + ret = vec.get(0).toString(); + for(int i=1;i < vec.size();i++) { + ret = ret + ", " + vec.get(i).toString(); + } + } + return ret; + } + + + + + + + public void addDNS(String dns) { + mDnslist.add(dns); + } + + + public void setDomain(String domain) { + if(mDomain==null) { + mDomain=domain; + } + } + + + public void addRoute(String dest, String mask) { + CIDRIP route = new CIDRIP(dest, mask); + if(route.len == 32 && !mask.equals("255.255.255.255")) { + OpenVPN.logMessage(0, "", getString(R.string.route_not_cidr,dest,mask)); + } + + if(route.normalise()) + OpenVPN.logMessage(0, "", getString(R.string.route_not_netip,dest,route.len,route.mIp)); + + mRoutes.add(route); + } + + public void addRoutev6(String extra) { + mRoutesv6.add(extra); + } + + + public void setLocalIP(String local, String netmask,int mtu, String mode) { + mLocalIP = new CIDRIP(local, netmask); + mMtu = mtu; + + if(mLocalIP.len == 32 && !netmask.equals("255.255.255.255")) { + // get the netmask as IP + long netint = CIDRIP.getInt(netmask); + if(Math.abs(netint - mLocalIP.getInt()) ==1) { + if(mode.equals("net30")) + mLocalIP.len=30; + else + mLocalIP.len=31; + } else { + OpenVPN.logMessage(0, "", getString(R.string.ip_not_cidr, local,netmask,mode)); + } + } + } + + public void setLocalIPv6(String ipv6addr) { + mLocalIPv6 = ipv6addr; + } + + public boolean isRunning() { + if (mStarting == true || mProcessThread != null) + return true; + else + return false; + } + + @Override + public void updateState(String state,String logmessage, int resid) { + // If the process is not running, ignore any state, + // Notification should be invisible in this state + if(mProcessThread==null) + return; + if("CONNECTED".equals(state)) { + mNotificationManager.cancel(OPENVPN_STATUS); + } else if(!"BYTECOUNT".equals(state)) { + + // Other notifications are shown, + // This also mean we are no longer connected, ignore bytecount messages until next + // CONNECTED + String ticker = getString(resid); + boolean persist = false; + if (("NOPROCESS".equals(state) ) || ("EXITING").equals(state)){ + showNotification(state, getString(R.string.eip_state_not_connected), ticker, false, 0, persist); + } + else if (state.equals("GET_CONFIG") || state.equals("ASSIGN_IP")){ //don't show them in the notification message + } + else{ + persist = true; + showNotification(state, getString(resid) +" " + logmessage,ticker,false,0,persist); + } + } + } + + @Override + public boolean handleMessage(Message msg) { + Runnable r = msg.getCallback(); + if(r!=null){ + r.run(); + return true; + } else { + return false; + } + } +} -- cgit v1.2.3