1 files changed, 76 insertions, 0 deletions
diff --git a/app/src/main/java/se/leap/openvpn/VPNLaunchHelper.java b/app/src/main/java/se/leap/openvpn/VPNLaunchHelper.java
new file mode 100644
index 00000000..418cf7e9
--- /dev/null
+++ b/app/src/main/java/se/leap/openvpn/VPNLaunchHelper.java
@@ -0,0 +1,76 @@
+package se.leap.openvpn;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+import se.leap.bitmaskclient.R;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Build;
+
+public class VPNLaunchHelper {
+	static private boolean writeMiniVPN(Context context) {
+		File mvpnout = new File(context.getCacheDir(),VpnProfile.MINIVPN);
+		if (mvpnout.exists() && mvpnout.canExecute())
+			return true;
+
+		IOException e2 = null;
+
+		try {
+			InputStream mvpn;
+			
+			try {
+				mvpn = context.getAssets().open("minivpn." + Build.CPU_ABI);
+			}
+			catch (IOException errabi) {
+				OpenVPN.logInfo("Failed getting assets for archicture " + Build.CPU_ABI);
+				e2=errabi;
+				mvpn = context.getAssets().open("minivpn." + Build.CPU_ABI2);
+				
+			}
+
+
+			FileOutputStream fout = new FileOutputStream(mvpnout);
+
+			byte buf[]= new byte[4096];
+
+			int lenread = mvpn.read(buf);
+			while(lenread> 0) {
+				fout.write(buf, 0, lenread);
+				lenread = mvpn.read(buf);
+			}
+			fout.close();
+
+			if(!mvpnout.setExecutable(true)) {
+				OpenVPN.logMessage(0, "","Failed to set minivpn executable");
+				return false;
+			}
+				
+			
+			return true;
+		} catch (IOException e) {
+			if(e2!=null)
+				OpenVPN.logMessage(0, "",e2.getLocalizedMessage());
+			OpenVPN.logMessage(0, "",e.getLocalizedMessage());
+			e.printStackTrace();
+			return false;
+		}
+	}
+	
+
+	public static void startOpenVpn(VpnProfile startprofile, Context context) {
+		if(!writeMiniVPN(context)) {
+			OpenVPN.logMessage(0, "", "Error writing minivpn binary");
+			return;
+		}
+		OpenVPN.logMessage(0, "", context.getString(R.string.building_configration));
+
+		Intent startVPN = startprofile.prepareIntent(context);
+		if(startVPN!=null)
+			context.startService(startVPN);
+
+	}
+}