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package se.leap.openvpn;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.LinkedList;
import se.leap.leapclient.R;
import android.util.Log;
import se.leap.openvpn.OpenVPN.LogItem;
public class OpenVPNThread implements Runnable {
private static final String DUMP_PATH_STRING = "Dump path: ";
private static final String TAG = "OpenVPN";
private String[] mArgv;
private Process mProcess;
private String mNativeDir;
private OpenVpnService mService;
private String mDumpPath;
public OpenVPNThread(OpenVpnService service,String[] argv, String nativelibdir)
{
mArgv = argv;
mNativeDir = nativelibdir;
mService = service;
}
public void stopProcess() {
mProcess.destroy();
}
@Override
public void run() {
try {
Log.i(TAG, "Starting openvpn");
startOpenVPNThreadArgs(mArgv);
Log.i(TAG, "Giving up");
} catch (Exception e) {
e.printStackTrace();
Log.e(TAG, "OpenVPNThread Got " + e.toString());
} finally {
int exitvalue = 0;
try {
exitvalue = mProcess.waitFor();
} catch ( IllegalThreadStateException ite) {
OpenVPN.logError("Illegal Thread state: " + ite.getLocalizedMessage());
} catch (InterruptedException ie) {
OpenVPN.logError("InterruptedException: " + ie.getLocalizedMessage());
}
if( exitvalue != 0)
OpenVPN.logError("Process exited with exit value " + exitvalue);
OpenVPN.updateStateString("NOPROCESS","No process running.", R.string.state_noprocess);
if(mDumpPath!=null) {
try {
BufferedWriter logout = new BufferedWriter(new FileWriter(mDumpPath + ".log"));
for(LogItem li :OpenVPN.getlogbuffer()){
logout.write(li.getString(null) + "\n");
}
logout.close();
OpenVPN.logError(R.string.minidump_generated);
} catch (IOException e) {
OpenVPN.logError("Writing minidump log: " +e.getLocalizedMessage());
}
}
mService.processDied();
Log.i(TAG, "Exiting");
}
}
private void startOpenVPNThreadArgs(String[] argv) {
LinkedList<String> argvlist = new LinkedList<String>();
for(String arg:argv)
argvlist.add(arg);
ProcessBuilder pb = new ProcessBuilder(argvlist);
// Hack O rama
// Hack until I find a good way to get the real library path
String applibpath = argv[0].replace("/cache/" + VpnProfile.MINIVPN , "/lib");
String lbpath = pb.environment().get("LD_LIBRARY_PATH");
if(lbpath==null)
lbpath = applibpath;
else
lbpath = lbpath + ":" + applibpath;
if (!applibpath.equals(mNativeDir)) {
lbpath = lbpath + ":" + mNativeDir;
}
pb.environment().put("LD_LIBRARY_PATH", lbpath);
pb.redirectErrorStream(true);
try {
mProcess = pb.start();
// Close the output, since we don't need it
mProcess.getOutputStream().close();
InputStream in = mProcess.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(in));
while(true) {
String logline = br.readLine();
if(logline==null)
return;
if (logline.startsWith(DUMP_PATH_STRING))
mDumpPath = logline.substring(DUMP_PATH_STRING.length());
OpenVPN.logMessage(0, "P:", logline);
}
} catch (IOException e) {
OpenVPN.logMessage(0, "", "Error reading from output of OpenVPN process"+ e.getLocalizedMessage());
e.printStackTrace();
stopProcess();
}
}
}
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