summaryrefslogtreecommitdiff
path: root/app/src/main/java/de/blinkt/openvpn/core/VpnStatus.java
diff options
context:
space:
mode:
Diffstat (limited to 'app/src/main/java/de/blinkt/openvpn/core/VpnStatus.java')
-rw-r--r--app/src/main/java/de/blinkt/openvpn/core/VpnStatus.java540
1 files changed, 540 insertions, 0 deletions
diff --git a/app/src/main/java/de/blinkt/openvpn/core/VpnStatus.java b/app/src/main/java/de/blinkt/openvpn/core/VpnStatus.java
new file mode 100644
index 00000000..d146aef8
--- /dev/null
+++ b/app/src/main/java/de/blinkt/openvpn/core/VpnStatus.java
@@ -0,0 +1,540 @@
+package de.blinkt.openvpn.core;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.Signature;
+import android.os.Build;
+import android.os.Parcel;
+import android.os.Parcelable;
+import de.blinkt.openvpn.R;
+
+import java.io.ByteArrayInputStream;
+import java.io.FileNotFoundException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
+import java.util.Arrays;
+import java.util.FormatFlagsConversionMismatchException;
+import java.util.LinkedList;
+import java.util.Locale;
+import java.util.UnknownFormatConversionException;
+import java.util.Vector;
+
+public class VpnStatus {
+
+
+ public static LinkedList<LogItem> logbuffer;
+
+ private static Vector<LogListener> logListener;
+ private static Vector<StateListener> stateListener;
+ private static Vector<ByteCountListener> byteCountListener;
+
+ private static String mLaststatemsg="";
+
+ private static String mLaststate = "NOPROCESS";
+
+ private static int mLastStateresid=R.string.state_noprocess;
+
+ private static long mlastByteCount[]={0,0,0,0};
+
+ public static void logException(LogLevel ll, String context, Exception e) {
+ StringWriter sw = new StringWriter();
+ e.printStackTrace(new PrintWriter(sw));
+ LogItem li;
+ if (context !=null) {
+ li = new LogItem(ll, R.string.unhandled_exception_context, e.getMessage(), sw.toString(), context);
+ } else {
+ li = new LogItem(ll, R.string.unhandled_exception, e.getMessage(), sw.toString());
+ }
+ newLogItem(li);
+ }
+
+ public static void logException(Exception e) {
+ logException(LogLevel.ERROR, null, e);
+ }
+
+ public static void logException(String context, Exception e) {
+ logException(LogLevel.ERROR, context, e);
+ }
+
+ private static final int MAXLOGENTRIES = 1000;
+
+ public static final String MANAGMENT_PREFIX = "M:";
+
+ public enum ConnectionStatus {
+ LEVEL_CONNECTED,
+ LEVEL_VPNPAUSED,
+ LEVEL_CONNECTING_SERVER_REPLIED,
+ LEVEL_CONNECTING_NO_SERVER_REPLY_YET,
+ LEVEL_NONETWORK,
+ LEVEL_NOTCONNECTED,
+ LEVEL_AUTH_FAILED,
+ LEVEL_WAITING_FOR_USER_INPUT,
+ UNKNOWN_LEVEL
+ }
+
+ public enum LogLevel {
+ INFO(2),
+ ERROR(-2),
+ WARNING(1),
+ VERBOSE(3),
+ DEBUG(4);
+
+ protected int mValue;
+ LogLevel(int value) {
+ mValue = value;
+ }
+
+ public int getInt() {
+ return mValue;
+ }
+
+ public static LogLevel getEnumByValue(int value) {
+ switch (value) {
+ case 1: return INFO;
+ case 2: return ERROR;
+ case 3: return WARNING;
+ case 4: return DEBUG;
+ default: return null;
+ }
+ }
+ }
+
+ // keytool -printcert -jarfile de.blinkt.openvpn_85.apk
+ public static final byte[] officalkey = {-58, -42, -44, -106, 90, -88, -87, -88, -52, -124, 84, 117, 66, 79, -112, -111, -46, 86, -37, 109};
+ public static final byte[] officaldebugkey = {-99, -69, 45, 71, 114, -116, 82, 66, -99, -122, 50, -70, -56, -111, 98, -35, -65, 105, 82, 43};
+ public static final byte[] amazonkey = {-116, -115, -118, -89, -116, -112, 120, 55, 79, -8, -119, -23, 106, -114, -85, -56, -4, 105, 26, -57};
+ public static final byte[] fdroidkey = {-92, 111, -42, -46, 123, -96, -60, 79, -27, -31, 49, 103, 11, -54, -68, -27, 17, 2, 121, 104};
+
+
+ private static ConnectionStatus mLastLevel=ConnectionStatus.LEVEL_NOTCONNECTED;
+
+ static {
+ logbuffer = new LinkedList<LogItem>();
+ logListener = new Vector<VpnStatus.LogListener>();
+ stateListener = new Vector<VpnStatus.StateListener>();
+ byteCountListener = new Vector<VpnStatus.ByteCountListener>();
+ logInformation();
+ }
+
+
+ public static class LogItem implements Parcelable {
+
+
+ private Object [] mArgs = null;
+ private String mMessage = null;
+ private int mRessourceId;
+ // Default log priority
+ LogLevel mLevel = LogLevel.INFO;
+ private long logtime = System.currentTimeMillis();
+ private int mVerbosityLevel = -1;
+
+ private LogItem(int ressourceId, Object[] args) {
+ mRessourceId = ressourceId;
+ mArgs = args;
+ }
+
+ public LogItem(LogLevel level, int verblevel, String message) {
+ mMessage=message;
+ mLevel = level;
+ mVerbosityLevel = verblevel;
+ }
+
+ @Override
+ public int describeContents() {
+ return 0;
+ }
+
+
+ @Override
+ public void writeToParcel(Parcel dest, int flags) {
+ dest.writeArray(mArgs);
+ dest.writeString(mMessage);
+ dest.writeInt(mRessourceId);
+ dest.writeInt(mLevel.getInt());
+ dest.writeInt(mVerbosityLevel);
+
+ dest.writeLong(logtime);
+ }
+
+ public LogItem(Parcel in) {
+ mArgs = in.readArray(Object.class.getClassLoader());
+ mMessage = in.readString();
+ mRessourceId = in.readInt();
+ mLevel = LogLevel.getEnumByValue(in.readInt());
+ mVerbosityLevel = in.readInt();
+ logtime = in.readLong();
+ }
+
+ public static final Parcelable.Creator<LogItem> CREATOR
+ = new Parcelable.Creator<LogItem>() {
+ public LogItem createFromParcel(Parcel in) {
+ return new LogItem(in);
+ }
+
+ public LogItem[] newArray(int size) {
+ return new LogItem[size];
+ }
+ };
+
+ public LogItem(LogLevel loglevel,int ressourceId, Object... args) {
+ mRessourceId = ressourceId;
+ mArgs =args;
+ mLevel = loglevel;
+ }
+
+
+ public LogItem(LogLevel loglevel, String msg) {
+ mLevel = loglevel;
+ mMessage = msg;
+ }
+
+
+ public LogItem(LogLevel loglevel, int ressourceId) {
+ mRessourceId =ressourceId;
+ mLevel = loglevel;
+ }
+
+ public String getString(Context c) {
+ try {
+ if(mMessage !=null) {
+ return mMessage;
+ } else {
+ if(c!=null) {
+ if(mRessourceId==R.string.mobile_info)
+ return getMobileInfoString(c);
+ if(mArgs == null)
+ return c.getString(mRessourceId);
+ else
+ return c.getString(mRessourceId,mArgs);
+ } else {
+ String str = String.format(Locale.ENGLISH,"Log (no context) resid %d", mRessourceId);
+ if(mArgs !=null)
+ for(Object o:mArgs)
+ str += "|" + o.toString();
+
+ return str;
+ }
+ }
+ } catch (UnknownFormatConversionException e) {
+ if (c != null)
+ throw new UnknownFormatConversionException(e.getLocalizedMessage() + getString(null));
+ else
+ throw e;
+ } catch (java.util.FormatFlagsConversionMismatchException e) {
+ if (c != null)
+ throw new FormatFlagsConversionMismatchException(e.getLocalizedMessage() + getString(null),e.getConversion());
+ else
+ throw e;
+ }
+
+ }
+
+ public LogLevel getLogLevel()
+ {
+ return mLevel;
+ }
+
+ // The lint is wrong here
+ @SuppressLint("StringFormatMatches")
+ private String getMobileInfoString(Context c) {
+ c.getPackageManager();
+ String apksign="error getting package signature";
+
+ String version="error getting version";
+ try {
+ Signature raw = c.getPackageManager().getPackageInfo(c.getPackageName(), PackageManager.GET_SIGNATURES).signatures[0];
+ CertificateFactory cf = CertificateFactory.getInstance("X.509");
+ X509Certificate cert = (X509Certificate) cf.generateCertificate(new ByteArrayInputStream(raw.toByteArray()));
+ MessageDigest md = MessageDigest.getInstance("SHA-1");
+ byte[] der = cert.getEncoded();
+ md.update(der);
+ byte[] digest = md.digest();
+
+ if (Arrays.equals(digest, officalkey))
+ apksign = c.getString(R.string.official_build);
+ else if (Arrays.equals(digest, officaldebugkey))
+ apksign = c.getString(R.string.debug_build);
+ else if (Arrays.equals(digest, amazonkey))
+ apksign = "amazon version";
+ else if (Arrays.equals(digest, fdroidkey))
+ apksign = "F-Droid built and signed version";
+ else
+ apksign = c.getString(R.string.built_by,cert.getSubjectX500Principal().getName());
+
+ PackageInfo packageinfo = c.getPackageManager().getPackageInfo(c.getPackageName(), 0);
+ version = packageinfo.versionName;
+
+ } catch (NameNotFoundException e) {
+ } catch (CertificateException e) {
+ } catch (NoSuchAlgorithmException e) {
+ }
+
+ Object[] argsext = Arrays.copyOf(mArgs, mArgs.length+2);
+ argsext[argsext.length-1]=apksign;
+ argsext[argsext.length-2]=version;
+
+ return c.getString(R.string.mobile_info_extended, argsext);
+
+ }
+
+ public long getLogtime() {
+ return logtime;
+ }
+
+
+ public int getVerbosityLevel() {
+ if (mVerbosityLevel==-1) {
+ // Hack:
+ // For message not from OpenVPN, report the status level as log level
+ return mLevel.getInt();
+ }
+ return mVerbosityLevel;
+ }
+ }
+
+
+
+ public interface LogListener {
+ void newLog(LogItem logItem);
+ }
+
+ public interface StateListener {
+ void updateState(String state, String logmessage, int localizedResId, ConnectionStatus level);
+ }
+
+ public interface ByteCountListener {
+ void updateByteCount(long in, long out, long diffIn, long diffOut);
+ }
+
+ public synchronized static void logMessage(LogLevel level,String prefix, String message)
+ {
+ newLogItem(new LogItem(level, prefix + message));
+
+ }
+
+ public synchronized static void clearLog() {
+ logbuffer.clear();
+ logInformation();
+ }
+
+ private static void logInformation() {
+ logInfo(R.string.mobile_info,Build.MODEL, Build.BOARD,Build.BRAND,Build.VERSION.SDK_INT);
+ }
+
+ public synchronized static void addLogListener(LogListener ll){
+ logListener.add(ll);
+ }
+
+ public synchronized static void removeLogListener(LogListener ll) {
+ logListener.remove(ll);
+ }
+
+ public synchronized static void addByteCountListener(ByteCountListener bcl) {
+ bcl.updateByteCount(mlastByteCount[0], mlastByteCount[1], mlastByteCount[2], mlastByteCount[3]);
+ byteCountListener.add(bcl);
+ }
+
+ public synchronized static void removeByteCountListener(ByteCountListener bcl) {
+ byteCountListener.remove(bcl);
+ }
+
+
+ public synchronized static void addStateListener(StateListener sl){
+ if(!stateListener.contains(sl)){
+ stateListener.add(sl);
+ if(mLaststate!=null)
+ sl.updateState(mLaststate, mLaststatemsg, mLastStateresid, mLastLevel);
+ }
+ }
+
+ private static int getLocalizedState(String state){
+ if (state.equals("CONNECTING"))
+ return R.string.state_connecting;
+ else if (state.equals("WAIT"))
+ return R.string.state_wait;
+ else if (state.equals("AUTH"))
+ return R.string.state_auth;
+ else if (state.equals("GET_CONFIG"))
+ return R.string.state_get_config;
+ else if (state.equals("ASSIGN_IP"))
+ return R.string.state_assign_ip;
+ else if (state.equals("ADD_ROUTES"))
+ return R.string.state_add_routes;
+ else if (state.equals("CONNECTED"))
+ return R.string.state_connected;
+ else if (state.equals("DISCONNECTED"))
+ return R.string.state_disconnected;
+ else if (state.equals("RECONNECTING"))
+ return R.string.state_reconnecting;
+ else if (state.equals("EXITING"))
+ return R.string.state_exiting;
+ else if (state.equals("RESOLVE"))
+ return R.string.state_resolve;
+ else if (state.equals("TCP_CONNECT"))
+ return R.string.state_tcp_connect;
+ else
+ return R.string.unknown_state;
+
+ }
+
+ public static void updateStatePause(OpenVPNManagement.pauseReason pauseReason) {
+ switch (pauseReason) {
+ case noNetwork:
+ VpnStatus.updateStateString("NONETWORK", "", R.string.state_nonetwork, ConnectionStatus.LEVEL_NONETWORK);
+ break;
+ case screenOff:
+ VpnStatus.updateStateString("SCREENOFF", "", R.string.state_screenoff, ConnectionStatus.LEVEL_VPNPAUSED);
+ break;
+ case userPause:
+ VpnStatus.updateStateString("USERPAUSE", "", R.string.state_userpause, ConnectionStatus.LEVEL_VPNPAUSED);
+ break;
+ }
+
+ }
+
+ private static ConnectionStatus getLevel(String state){
+ String[] noreplyet = {"CONNECTING","WAIT", "RECONNECTING", "RESOLVE", "TCP_CONNECT"};
+ String[] reply = {"AUTH","GET_CONFIG","ASSIGN_IP","ADD_ROUTES"};
+ String[] connected = {"CONNECTED"};
+ String[] notconnected = {"DISCONNECTED", "EXITING"};
+
+ for(String x:noreplyet)
+ if(state.equals(x))
+ return ConnectionStatus.LEVEL_CONNECTING_NO_SERVER_REPLY_YET;
+
+ for(String x:reply)
+ if(state.equals(x))
+ return ConnectionStatus.LEVEL_CONNECTING_SERVER_REPLIED;
+
+ for(String x:connected)
+ if(state.equals(x))
+ return ConnectionStatus.LEVEL_CONNECTED;
+
+ for(String x:notconnected)
+ if(state.equals(x))
+ return ConnectionStatus.LEVEL_NOTCONNECTED;
+
+ return ConnectionStatus.UNKNOWN_LEVEL;
+
+ }
+
+
+
+
+ public synchronized static void removeStateListener(StateListener sl) {
+ stateListener.remove(sl);
+ }
+
+
+ synchronized public static LogItem[] getlogbuffer() {
+
+ // The stoned way of java to return an array from a vector
+ // brought to you by eclipse auto complete
+ return logbuffer.toArray(new LogItem[logbuffer.size()]);
+
+ }
+
+ public static void updateStateString (String state, String msg) {
+ int rid = getLocalizedState(state);
+ ConnectionStatus level = getLevel(state);
+ updateStateString(state, msg, rid, level);
+ }
+
+ public synchronized static void updateStateString(String state, String msg, int resid, ConnectionStatus level) {
+ // Workound for OpenVPN doing AUTH and wait and being connected
+ // Simply ignore these state
+ if (mLastLevel == ConnectionStatus.LEVEL_CONNECTED &&
+ (state.equals("WAIT") || state.equals("AUTH")))
+ {
+ newLogItem(new LogItem((LogLevel.DEBUG), String.format("Ignoring OpenVPN Status in CONNECTED state (%s->%s): %s",state,level.toString(),msg)));
+ return;
+ }
+
+ mLaststate= state;
+ mLaststatemsg = msg;
+ mLastStateresid = resid;
+ mLastLevel = level;
+
+
+
+ for (StateListener sl : stateListener) {
+ sl.updateState(state,msg,resid,level);
+ }
+ //newLogItem(new LogItem((LogLevel.DEBUG), String.format("New OpenVPN Status (%s->%s): %s",state,level.toString(),msg)));
+ }
+
+ public static void logInfo(String message) {
+ newLogItem(new LogItem(LogLevel.INFO, message));
+ }
+
+ public static void logInfo(int resourceId, Object... args) {
+ newLogItem(new LogItem(LogLevel.INFO, resourceId, args));
+ }
+
+ public static void logDebug(int resourceId, Object... args) {
+ newLogItem(new LogItem(LogLevel.DEBUG, resourceId, args));
+ }
+
+
+ private synchronized static void newLogItem(LogItem logItem) {
+ logbuffer.addLast(logItem);
+ if(logbuffer.size()>MAXLOGENTRIES)
+ logbuffer.removeFirst();
+
+ for (LogListener ll : logListener) {
+ ll.newLog(logItem);
+ }
+ }
+
+ public static void logError(String msg) {
+ newLogItem(new LogItem(LogLevel.ERROR, msg));
+
+ }
+
+ public static void logWarning(int resourceId, Object... args) {
+ newLogItem(new LogItem(LogLevel.WARNING, resourceId, args));
+ }
+
+ public static void logWarning(String msg) {
+ newLogItem(new LogItem(LogLevel.WARNING, msg));
+ }
+
+
+ public static void logError(int resourceId) {
+ newLogItem(new LogItem(LogLevel.ERROR, resourceId));
+ }
+ public static void logError(int resourceId, Object... args) {
+ newLogItem(new LogItem(LogLevel.ERROR, resourceId, args));
+ }
+
+ public static void logMessageOpenVPN(LogLevel level, int ovpnlevel, String message) {
+ newLogItem(new LogItem(level, ovpnlevel, message));
+
+ }
+
+
+ public static synchronized void updateByteCount(long in, long out) {
+ long lastIn = mlastByteCount[0];
+ long lastOut = mlastByteCount[1];
+ long diffIn = mlastByteCount[2] = in - lastIn;
+ long diffOut = mlastByteCount[3] = out - lastOut;
+
+
+
+ mlastByteCount = new long[] {in,out,diffIn,diffOut};
+ for(ByteCountListener bcl:byteCountListener){
+ bcl.updateByteCount(in, out, diffIn,diffOut);
+ }
+ }
+
+
+
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-30 02:54:55 +0000