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authorArne Schwabe <arne@rfc2549.org>2015-10-07 13:56:34 +0200
committerArne Schwabe <arne@rfc2549.org>2015-10-08 07:53:33 +0200
commit43760e1a8beb6ba21755597fe60a4d105faf8dd2 (patch)
tree92d58b141be2b193076836e12c84eec16b1cab9d /main/src
parentbe4ccc12b9224cd1dac434838a78dc3a8f6706c5 (diff)
Fix bug of not reconnecting on network change
Diffstat (limited to 'main/src')
-rw-r--r--main/src/main/java/de/blinkt/openvpn/core/DeviceStateReceiver.java14
-rw-r--r--main/src/main/java/de/blinkt/openvpn/core/OpenVPNManagement.java6
-rw-r--r--main/src/main/java/de/blinkt/openvpn/core/OpenVpnManagementThread.java245
3 files changed, 144 insertions, 121 deletions
diff --git a/main/src/main/java/de/blinkt/openvpn/core/DeviceStateReceiver.java b/main/src/main/java/de/blinkt/openvpn/core/DeviceStateReceiver.java
index f0acb6df..ae61adab 100644
--- a/main/src/main/java/de/blinkt/openvpn/core/DeviceStateReceiver.java
+++ b/main/src/main/java/de/blinkt/openvpn/core/DeviceStateReceiver.java
@@ -23,7 +23,7 @@ import java.util.Objects;
import static de.blinkt.openvpn.core.OpenVPNManagement.pauseReason;
-public class DeviceStateReceiver extends BroadcastReceiver implements ByteCountListener {
+public class DeviceStateReceiver extends BroadcastReceiver implements ByteCountListener, OpenVPNManagement.PausedStateCallback {
private final Handler mDisconnectHandler;
private int lastNetwork = -1;
private OpenVPNManagement mManagement;
@@ -59,6 +59,11 @@ public class DeviceStateReceiver extends BroadcastReceiver implements ByteCountL
};
private NetworkInfo lastConnectedNetwork;
+ @Override
+ public boolean shouldBeRunning() {
+ return shouldBeConnected();
+ }
+
enum connectState {
SHOULDBECONNECTED,
PENDINGDISCONNECT,
@@ -123,6 +128,7 @@ public class DeviceStateReceiver extends BroadcastReceiver implements ByteCountL
public DeviceStateReceiver(OpenVPNManagement magnagement) {
super();
mManagement = magnagement;
+ mManagement.setPauseCallback(this);
mDisconnectHandler = new Handler();
}
@@ -224,7 +230,7 @@ public class DeviceStateReceiver extends BroadcastReceiver implements ByteCountL
mDisconnectHandler.removeCallbacks(mDelayDisconnectRunnable);
// Reprotect the sockets just be sure
mManagement.networkChange(true);
- } else {
+ } else {
/* Different network or connection not established anymore */
if (screen == connectState.PENDINGDISCONNECT)
@@ -233,8 +239,8 @@ public class DeviceStateReceiver extends BroadcastReceiver implements ByteCountL
if (shouldBeConnected()) {
mDisconnectHandler.removeCallbacks(mDelayDisconnectRunnable);
- if (pendingDisconnect)
- mManagement.networkChange(false);
+ if (pendingDisconnect || !sameNetwork)
+ mManagement.networkChange(sameNetwork);
else
mManagement.resume();
}
diff --git a/main/src/main/java/de/blinkt/openvpn/core/OpenVPNManagement.java b/main/src/main/java/de/blinkt/openvpn/core/OpenVPNManagement.java
index d7666933..9e17c40d 100644
--- a/main/src/main/java/de/blinkt/openvpn/core/OpenVPNManagement.java
+++ b/main/src/main/java/de/blinkt/openvpn/core/OpenVPNManagement.java
@@ -6,6 +6,10 @@
package de.blinkt.openvpn.core;
public interface OpenVPNManagement {
+ interface PausedStateCallback {
+ boolean shouldBeRunning();
+ }
+
enum pauseReason {
noNetwork,
userPause,
@@ -26,4 +30,6 @@ public interface OpenVPNManagement {
* Rebind the interface
*/
void networkChange(boolean sameNetwork);
+
+ void setPauseCallback(PausedStateCallback callback);
}
diff --git a/main/src/main/java/de/blinkt/openvpn/core/OpenVpnManagementThread.java b/main/src/main/java/de/blinkt/openvpn/core/OpenVpnManagementThread.java
index e27feab0..f81c46ad 100644
--- a/main/src/main/java/de/blinkt/openvpn/core/OpenVpnManagementThread.java
+++ b/main/src/main/java/de/blinkt/openvpn/core/OpenVpnManagementThread.java
@@ -6,12 +6,10 @@
package de.blinkt.openvpn.core;
import android.content.Context;
-import android.content.SharedPreferences;
import android.net.LocalServerSocket;
import android.net.LocalSocket;
import android.net.LocalSocketAddress;
import android.os.ParcelFileDescriptor;
-import android.preference.PreferenceManager;
import android.support.annotation.NonNull;
import android.util.Log;
@@ -41,27 +39,20 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
private LocalSocket mSocket;
private VpnProfile mProfile;
private OpenVPNService mOpenVPNService;
- private LinkedList<FileDescriptor> mFDList = new LinkedList<FileDescriptor>();
+ private LinkedList<FileDescriptor> mFDList = new LinkedList<>();
private LocalServerSocket mServerSocket;
- private boolean mReleaseHold = true;
private boolean mWaitingForRelease = false;
private long mLastHoldRelease = 0;
- private static final Vector<OpenVpnManagementThread> active = new Vector<OpenVpnManagementThread>();
+ private static final Vector<OpenVpnManagementThread> active = new Vector<>();
private LocalSocket mServerSocketLocal;
private pauseReason lastPauseReason = pauseReason.noNetwork;
+ private PausedStateCallback mPauseCallback;
public OpenVpnManagementThread(VpnProfile profile, OpenVPNService openVpnService) {
mProfile = profile;
mOpenVPNService = openVpnService;
-
-
- SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(openVpnService);
- boolean managemeNetworkState = prefs.getBoolean("netchangereconnect", true);
- if (managemeNetworkState)
- mReleaseHold = false;
-
}
public boolean openManagementInterface(@NonNull Context c) {
@@ -81,7 +72,7 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
// wait 300 ms before retrying
try {
Thread.sleep(300);
- } catch (InterruptedException e1) {
+ } catch (InterruptedException ignored) {
}
}
@@ -166,7 +157,6 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
//! Hack O Rama 2000!
private void protectFileDescriptor(FileDescriptor fd) {
- Exception exp;
try {
Method getInt = FileDescriptor.class.getDeclaredMethod("getInt$");
int fdint = (Integer) getInt.invoke(fd);
@@ -182,20 +172,12 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
//pfd.close();
NativeUtils.jniclose(fdint);
return;
- } catch (NoSuchMethodException e) {
- exp = e;
- } catch (IllegalArgumentException e) {
- exp = e;
- } catch (IllegalAccessException e) {
- exp = e;
- } catch (InvocationTargetException e) {
- exp = e;
- } catch (NullPointerException e) {
- exp = e;
+ } catch (NoSuchMethodException | IllegalArgumentException | InvocationTargetException | IllegalAccessException | NullPointerException e) {
+ VpnStatus.logException("Failed to retrieve fd from socket (" + fd + ")", e);
}
Log.d("Openvpn", "Failed to retrieve fd from socket: " + fd);
- VpnStatus.logException("Failed to retrieve fd from socket (" + fd + ")", exp);
+
}
private String processInput(String pendingInput) {
@@ -224,28 +206,38 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
String argument = parts[1];
- if (cmd.equals("INFO")) {
+ switch (cmd) {
+ case "INFO":
/* Ignore greeting from management */
- return;
- } else if (cmd.equals("PASSWORD")) {
- processPWCommand(argument);
- } else if (cmd.equals("HOLD")) {
- handleHold();
- } else if (cmd.equals("NEED-OK")) {
- processNeedCommand(argument);
- } else if (cmd.equals("BYTECOUNT")) {
- processByteCount(argument);
- } else if (cmd.equals("STATE")) {
- processState(argument);
- } else if (cmd.equals("PROXY")) {
- processProxyCMD(argument);
- } else if (cmd.equals("LOG")) {
- processLogMessage(argument);
- } else if (cmd.equals("RSA_SIGN")) {
- processSignCommand(argument);
- } else {
- VpnStatus.logWarning("MGMT: Got unrecognized command" + command);
- Log.i(TAG, "Got unrecognized command" + command);
+ return;
+ case "PASSWORD":
+ processPWCommand(argument);
+ break;
+ case "HOLD":
+ handleHold();
+ break;
+ case "NEED-OK":
+ processNeedCommand(argument);
+ break;
+ case "BYTECOUNT":
+ processByteCount(argument);
+ break;
+ case "STATE":
+ processState(argument);
+ break;
+ case "PROXY":
+ processProxyCMD(argument);
+ break;
+ case "LOG":
+ processLogMessage(argument);
+ break;
+ case "RSA_SIGN":
+ processSignCommand(argument);
+ break;
+ default:
+ VpnStatus.logWarning("MGMT: Got unrecognized command" + command);
+ Log.i(TAG, "Got unrecognized command" + command);
+ break;
}
} else if (command.startsWith("SUCCESS:")) {
/* Ignore this kind of message too */
@@ -277,16 +269,22 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
Log.d("OpenVPN", argument);
VpnStatus.LogLevel level;
- if (args[1].equals("I")) {
- level = VpnStatus.LogLevel.INFO;
- } else if (args[1].equals("W")) {
- level = VpnStatus.LogLevel.WARNING;
- } else if (args[1].equals("D")) {
- level = VpnStatus.LogLevel.VERBOSE;
- } else if (args[1].equals("F")) {
- level = VpnStatus.LogLevel.ERROR;
- } else {
- level = VpnStatus.LogLevel.INFO;
+ switch (args[1]) {
+ case "I":
+ level = VpnStatus.LogLevel.INFO;
+ break;
+ case "W":
+ level = VpnStatus.LogLevel.WARNING;
+ break;
+ case "D":
+ level = VpnStatus.LogLevel.VERBOSE;
+ break;
+ case "F":
+ level = VpnStatus.LogLevel.ERROR;
+ break;
+ default:
+ level = VpnStatus.LogLevel.INFO;
+ break;
}
int ovpnlevel = Integer.parseInt(args[2]) & 0x0F;
@@ -298,8 +296,15 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
VpnStatus.logMessageOpenVPN(level, ovpnlevel, msg);
}
+ boolean shouldBeRunning() {
+ if (mPauseCallback == null)
+ return false;
+ else
+ return mPauseCallback.shouldBeRunning();
+ }
+
private void handleHold() {
- if (mReleaseHold) {
+ if (shouldBeRunning()) {
releaseHoldCmd();
} else {
mWaitingForRelease = true;
@@ -326,11 +331,10 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
//managmentCommand("log on all\n");
}
+
public void releaseHold() {
- mReleaseHold = true;
if (mWaitingForRelease)
releaseHoldCmd();
-
}
private void processProxyCMD(String argument) {
@@ -390,15 +394,19 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
String status = "ok";
- if (needed.equals("PROTECTFD")) {
- FileDescriptor fdtoprotect = mFDList.pollFirst();
- protectFileDescriptor(fdtoprotect);
- } else if (needed.equals("DNSSERVER")) {
- mOpenVPNService.addDNS(extra);
- } else if (needed.equals("DNSDOMAIN")) {
- mOpenVPNService.setDomain(extra);
- } else if (needed.equals("ROUTE")) {
- String[] routeparts = extra.split(" ");
+ switch (needed) {
+ case "PROTECTFD":
+ FileDescriptor fdtoprotect = mFDList.pollFirst();
+ protectFileDescriptor(fdtoprotect);
+ break;
+ case "DNSSERVER":
+ mOpenVPNService.addDNS(extra);
+ break;
+ case "DNSDOMAIN":
+ mOpenVPNService.setDomain(extra);
+ break;
+ case "ROUTE": {
+ String[] routeparts = extra.split(" ");
/*
buf_printf (&out, "%s %s %s dev %s", network, netmask, gateway, rgi->iface);
@@ -406,38 +414,46 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
buf_printf (&out, "%s %s %s", network, netmask, gateway);
*/
- if (routeparts.length == 5) {
- if (BuildConfig.DEBUG) Assert.assertEquals("dev", routeparts[3]);
- mOpenVPNService.addRoute(routeparts[0], routeparts[1], routeparts[2], routeparts[4]);
- } else if (routeparts.length >= 3) {
- mOpenVPNService.addRoute(routeparts[0], routeparts[1], routeparts[2], null);
- } else {
- VpnStatus.logError("Unrecognized ROUTE cmd:" + Arrays.toString(routeparts) + " | " + argument);
+ if (routeparts.length == 5) {
+ if (BuildConfig.DEBUG) Assert.assertEquals("dev", routeparts[3]);
+ mOpenVPNService.addRoute(routeparts[0], routeparts[1], routeparts[2], routeparts[4]);
+ } else if (routeparts.length >= 3) {
+ mOpenVPNService.addRoute(routeparts[0], routeparts[1], routeparts[2], null);
+ } else {
+ VpnStatus.logError("Unrecognized ROUTE cmd:" + Arrays.toString(routeparts) + " | " + argument);
+ }
+
+ break;
+ }
+ case "ROUTE6": {
+ String[] routeparts = extra.split(" ");
+ mOpenVPNService.addRoutev6(routeparts[0], routeparts[1]);
+ break;
}
-
- } else if (needed.equals("ROUTE6")) {
- String[] routeparts = extra.split(" ");
- mOpenVPNService.addRoutev6(routeparts[0], routeparts[1]);
- } else if (needed.equals("IFCONFIG")) {
- String[] ifconfigparts = extra.split(" ");
- int mtu = Integer.parseInt(ifconfigparts[2]);
- mOpenVPNService.setLocalIP(ifconfigparts[0], ifconfigparts[1], mtu, ifconfigparts[3]);
- } else if (needed.equals("IFCONFIG6")) {
- mOpenVPNService.setLocalIPv6(extra);
-
- } else if (needed.equals("PERSIST_TUN_ACTION")) {
- // check if tun cfg stayed the same
- status = mOpenVPNService.getTunReopenStatus();
- } else if (needed.equals("OPENTUN")) {
- if (sendTunFD(needed, extra))
+ case "IFCONFIG":
+ String[] ifconfigparts = extra.split(" ");
+ int mtu = Integer.parseInt(ifconfigparts[2]);
+ mOpenVPNService.setLocalIP(ifconfigparts[0], ifconfigparts[1], mtu, ifconfigparts[3]);
+ break;
+ case "IFCONFIG6":
+ mOpenVPNService.setLocalIPv6(extra);
+
+ break;
+ case "PERSIST_TUN_ACTION":
+ // check if tun cfg stayed the same
+ status = mOpenVPNService.getTunReopenStatus();
+ break;
+ case "OPENTUN":
+ if (sendTunFD(needed, extra))
+ return;
+ else
+ status = "cancel";
+ // This not nice or anything but setFileDescriptors accepts only FilDescriptor class :(
+
+ break;
+ default:
+ Log.e(TAG, "Unkown needok command " + argument);
return;
- else
- status = "cancel";
- // This not nice or anything but setFileDescriptors accepts only FilDescriptor class :(
-
- } else {
- Log.e(TAG, "Unkown needok command " + argument);
- return;
}
String cmd = String.format("needok '%s' %s\n", needed, status);
@@ -445,7 +461,6 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
}
private boolean sendTunFD(String needed, String extra) {
- Exception exp;
if (!extra.equals("tun")) {
// We only support tun
VpnStatus.logError(String.format("Device type %s requested, but only tun is possible with the Android API, sorry!", extra));
@@ -479,18 +494,10 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
pfd.close();
return true;
- } catch (NoSuchMethodException e) {
- exp = e;
- } catch (IllegalArgumentException e) {
- exp = e;
- } catch (IllegalAccessException e) {
- exp = e;
- } catch (InvocationTargetException e) {
- exp = e;
- } catch (IOException e) {
- exp = e;
+ } catch (NoSuchMethodException | IllegalArgumentException | InvocationTargetException |
+ IOException | IllegalAccessException exp) {
+ VpnStatus.logException("Could not send fd over socket", exp);
}
- VpnStatus.logException("Could not send fd over socket", exp);
return false;
}
@@ -559,16 +566,20 @@ public class OpenVpnManagementThread implements Runnable, OpenVPNManagement {
@Override
public void networkChange(boolean samenetwork) {
- if (!mWaitingForRelease)
- if (samenetwork)
- managmentCommand("network-change samenetwork\n");
- else
- managmentCommand("network-change\n");
+ if (mWaitingForRelease)
+ releaseHold();
+ else if (samenetwork)
+ managmentCommand("network-change samenetwork\n");
+ else
+ managmentCommand("network-change\n");
}
- public void signalusr1() {
- mReleaseHold = false;
+ @Override
+ public void setPauseCallback(PausedStateCallback callback) {
+ mPauseCallback = callback;
+ }
+ public void signalusr1() {
if (!mWaitingForRelease)
managmentCommand("signal SIGUSR1\n");
else