run nodejs in non-root user

src/com/github/shadowsocks/Node.java

@@ -0,0 +1,8 @@
+package com.github.shadowsocks;
+
+public class Node {
+    static {
+        System.loadLibrary("node");
+    }
+    public static native void exec(String cmd);
+}

src/com/github/shadowsocks/Shadowsocks.java

@@ -103,7 +103,6 @@ public class Shadowsocks extends PreferenceActivity implements
 
     private static ProgressDialog mProgressDialog = null;
 
-    private CheckBoxPreference isAutoConnectCheck;
     private CheckBoxPreference isGlobalProxyCheck;
     private EditTextPreference proxyText;
     private EditTextPreference portText;
@@ -169,7 +168,6 @@ public class Shadowsocks extends PreferenceActivity implements
         isGFWListCheck.setEnabled(false);
         isBypassAppsCheck.setEnabled(false);
 
-        isAutoConnectCheck.setEnabled(false);
         isGlobalProxyCheck.setEnabled(false);
     }
 
@@ -185,7 +183,6 @@ public class Shadowsocks extends PreferenceActivity implements
             isBypassAppsCheck.setEnabled(true);
         }
 
-        isAutoConnectCheck.setEnabled(true);
     }
 
     private boolean isTextEmpty(String s, String msg) {
@@ -213,7 +210,6 @@ public class Shadowsocks extends PreferenceActivity implements
         proxyedApps = findPreference("proxyedApps");
 
         isRunningCheck = (CheckBoxPreference) findPreference("isRunning");
-        isAutoConnectCheck = (CheckBoxPreference) findPreference("isAutoConnect");
         isGlobalProxyCheck = (CheckBoxPreference) findPreference("isGlobalProxy");
         isGFWListCheck = (CheckBoxPreference) findPreference("isGFWList");
         isBypassAppsCheck = (CheckBoxPreference) findPreference("isBypassApps");

src/com/github/shadowsocks/ShadowsocksService.java

@@ -57,6 +57,7 @@ import android.util.Log;
 import com.google.analytics.tracking.android.EasyTracker;
 
 import java.io.DataOutputStream;
+import java.io.IOException;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
@@ -183,10 +184,15 @@ public class ShadowsocksService extends Service {
     }
 
     public void startShadowsocksDaemon() {
-        final String cmd = String.format("nohup " + BASE
-                + "node " + BASE + "local.js -s \"%s\" -p \"%d\" -l \"%d\" -k \"%s\" &",
-                appHost, remotePort, port, sitekey);
-        Utils.runRootCommand(cmd);
+        new Thread() {
+            @Override
+            public void run() {
+                final String cmd = String.format(BASE
+                        + "node " + BASE + "local.js -s \"%s\" -p \"%d\" -l \"%d\" -k \"%s\"",
+                        appHost, remotePort, port, sitekey);
+                Node.exec(cmd);
+            }
+        }.start();
     }
 
     public void startDnsDaemon() {