From 6bb245ae4f93f3657aa56dfe4ca08d94ddce7723 Mon Sep 17 00:00:00 2001 From: Michael Gernoth Date: Sat, 21 May 2011 18:36:08 +0200 Subject: [PATCH] better interaction with superuser --- .../ms2debounce/DebounceModuleHelper.java | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java b/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java index 39a29a8..80dc5ff 100644 --- a/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java +++ b/MS2Debounce/src/de/rmdir/ms2debounce/DebounceModuleHelper.java @@ -5,6 +5,7 @@ import java.io.OutputStream; import java.io.File; import java.io.FileReader; import java.io.BufferedReader; +import java.io.DataOutputStream; import android.content.Context; import android.content.SharedPreferences; @@ -13,6 +14,7 @@ public class DebounceModuleHelper { private Context ctx; public static final String PREFS_NAME = "DebounceCfg"; + final int SUPERUSER_REQUEST = 4223; public DebounceModuleHelper(Context context) { ctx = context; @@ -22,6 +24,17 @@ public class DebounceModuleHelper loadModule(getSavedDelay()); } + protected void runAsRoot(String command) throws java.io.IOException,java.lang.InterruptedException { + Process rootcmd = Runtime.getRuntime().exec(new String[]{"su","-c","sh"}); + DataOutputStream sh = new DataOutputStream(rootcmd.getOutputStream()); + sh.writeBytes(command + "\n"); + sh.writeBytes("exit\n"); + sh.flush(); + sh.close(); + + rootcmd.waitFor(); + } + public synchronized void loadModule(int delay) { File debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko"); @@ -35,8 +48,7 @@ public class DebounceModuleHelper } try { - Process insmod = Runtime.getRuntime().exec(new String[]{"su","-c","/system/bin/insmod " + debounce_ko + " debounce_delay=" + delay}); - insmod.waitFor(); + runAsRoot("/system/bin/insmod " + debounce_ko + " debounce_delay=" + delay); } catch (Exception e) { return; } @@ -56,8 +68,7 @@ public class DebounceModuleHelper public synchronized void unloadModule() { try { - Process rmmod = Runtime.getRuntime().exec(new String[]{"su","-c","/system/bin/rmmod debounce"}); - rmmod.waitFor(); + runAsRoot("/system/bin/rmmod debounce"); } catch (Exception e) {} } -- 2.39.5