'init'

.classpath

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="gen"/>
+	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
+	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
+	<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.DEPENDENCIES"/>
+	<classpathentry kind="lib" path="libs/substrate-api.jar"/>
+	<classpathentry kind="lib" path="libs/substrate-bless.jar"/>
+	<classpathentry kind="output" path="bin/classes"/>
+</classpath>

.gitignore

@@ -0,0 +1,26 @@
+lt application files
+*.apk
+*.ap_
+
+# Files for the Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log

.project

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>AndroidAPIHooker</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ApkBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

AndroidManifest.xml

@@ -0,0 +1,18 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.shuwoom.apihooker"
+    android:versionCode="1"
+    android:versionName="1.0" >
+
+    <uses-sdk
+        android:minSdkVersion="14"
+        android:targetSdkVersion="21" />
+
+    <uses-permission android:name="cydia.permission.SUBSTRATE" />
+
+    <application>
+        <meta-data
+            android:name="com.saurik.substrate.main"
+            android:value=".SubstrateMain" />
+    </application>
+
+</manifest>

proguard-project.txt

@@ -0,0 +1,20 @@
+# To enable ProGuard in your project, edit project.properties
+# to define the proguard.config property as described in that file.
+#
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in ${sdk.dir}/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the ProGuard
+# include property in project.properties.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

project.properties

@@ -0,0 +1,14 @@
+# This file is automatically generated by Android Tools.
+# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
+#
+# This file must be checked in Version Control Systems.
+#
+# To customize properties used by the Ant build system edit
+# "ant.properties", and override values to adapt the script to your
+# project structure.
+#
+# To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
+#proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
+
+# Project target.
+target=android-22

res/values-v11/styles.xml

@@ -0,0 +1,11 @@
+<resources>
+
+    <!--
+        Base application theme for API 11+. This theme completely replaces
+        AppBaseTheme from res/values/styles.xml on API 11+ devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Holo.Light">
+        <!-- API 11 theme customizations can go here. -->
+    </style>
+
+</resources>

res/values-v14/styles.xml

@@ -0,0 +1,12 @@
+<resources>
+
+    <!--
+        Base application theme for API 14+. This theme completely replaces
+        AppBaseTheme from BOTH res/values/styles.xml and
+        res/values-v11/styles.xml on API 14+ devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Holo.Light.DarkActionBar">
+        <!-- API 14 theme customizations can go here. -->
+    </style>
+
+</resources>

res/values/strings.xml

@@ -0,0 +1,5 @@
+<resources>
+
+    <string name="app_name">AndroidAPIHooker</string>
+
+</resources>

res/values/styles.xml

@@ -0,0 +1,20 @@
+<resources>
+
+    <!--
+        Base application theme, dependent on API level. This theme is replaced
+        by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Light">
+        <!--
+            Theme customizations available in newer API levels can go in
+            res/values-vXX/styles.xml, while customizations related to
+            backward-compatibility can go here.
+        -->
+    </style>
+
+    <!-- Application theme. -->
+    <style name="AppTheme" parent="AppBaseTheme">
+        <!-- All customizations that are NOT specific to a particular API-level can go here. -->
+    </style>
+
+</resources>

src/com/shuwoom/apihooker/SubstrateMain.java

@@ -0,0 +1,11 @@
+package com.shuwoom.apihooker;
+
+import com.shuwoom.apihooker.hookers.NetworkHooker;
+
+public class SubstrateMain {
+
+	public static void initialize(){
+		new NetworkHooker().hook();
+	}
+
+}

src/com/shuwoom/apihooker/common/Config.java

@@ -0,0 +1,5 @@
+package com.shuwoom.apihooker.common;
+
+public class Config {
+	public static final String DEBUG_TAG = "api_hooker";
+}

src/com/shuwoom/apihooker/hookers/Hooker.java

@@ -0,0 +1,75 @@
+package com.shuwoom.apihooker.hookers;
+
+import java.lang.reflect.GenericDeclaration;
+import java.lang.reflect.Method;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+import android.util.Log;
+
+import com.saurik.substrate.MS;
+import com.saurik.substrate.MS.MethodPointer;
+import com.shuwoom.apihooker.common.Config;
+import com.shuwoom.apihooker.hookers.interfaces.HookerListener;
+
+public abstract class Hooker {
+
+	public abstract void hook();
+
+	protected void hookMethods(final HookerListener listener, final String className, final Map<String, Integer> methodsToHook){
+		MS.hookClassLoad(className, new MS.ClassLoadHook() {
+
+			@SuppressWarnings({ "rawtypes", "unchecked" })
+			@Override
+			public void classLoaded(Class<?> classToHook) {
+				Map<GenericDeclaration, String> allMethods = new HashMap<GenericDeclaration, String>();
+
+				try {
+					Class clz = Class.forName(className);
+
+					for(Method method : clz.getMethods()){
+						allMethods.put(method, method.getName());
+					}
+				} catch (ClassNotFoundException e1) {
+					e1.printStackTrace();
+				}
+
+				Iterator iterator = allMethods.entrySet().iterator();
+				while(iterator.hasNext()){
+					Map.Entry entry = (Map.Entry) iterator.next(); 
+					final Method method = (Method) entry.getKey();
+					final String methodName = (String)entry.getValue();
+
+					if(!methodsToHook.containsKey(methodName))
+						continue;
+
+					Log.v(Config.DEBUG_TAG, "start to hook " + className + "." + methodName);
+
+					final MS.MethodPointer<Object, Object> old = new MethodPointer<Object, Object>();
+					MS.hookMethod(classToHook, method, new MS.MethodHook() {
+
+						@Override
+						public Object invoked(Object resources, Object... args)
+								throws Throwable {
+
+							if(listener != null){
+								listener.before(className, method, resources, args);
+							}
+
+							Object result = old.invoke(resources, args);
+
+							if(listener != null){
+								listener.after(className, method, resources, args);
+							}
+							return result;
+						}
+
+					}, old);
+				}
+			}
+		});
+	}
+}

src/com/shuwoom/apihooker/hookers/NetworkHooker.java

@@ -0,0 +1,73 @@
+package com.shuwoom.apihooker.hookers;
+
+import java.lang.reflect.GenericDeclaration;
+import java.lang.reflect.Method;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+import android.util.Log;
+
+import com.saurik.substrate.MS;
+import com.saurik.substrate.MS.MethodPointer;
+import com.shuwoom.apihooker.common.Config;
+import com.shuwoom.apihooker.hookers.interfaces.HookerListener;
+
+public class NetworkHooker extends Hooker{
+
+
+	@Override
+	public void hook() {
+		hookIOBridgeClass();
+	}
+
+	/**
+	 * IoBridge.java 
+	 * https://android.googlesource.com/platform/libcore/+/android-4.1.1_r1/luni/src/main/java/libcore/io/IoBridge.java
+	 */
+	private void hookIOBridgeClass(){
+		final String className = "libcore.io.IoBridge";
+
+		final Map<String, Integer> methodsToHook = new HashMap<String, Integer>();
+		// methodsToHook.put("open", 1); This is in common with filesystem operation.
+	    methodsToHook.put("recvfrom", 1);
+	    // methodsToHook.put("read", 1);
+
+	    // methodsToHook.put("write", 2);
+	    methodsToHook.put("sendto", 2);
+
+	    methodsToHook.put("getSocketLocalAddress", 1);
+	    methodsToHook.put("getSocketLocalPort", 1);
+
+	    methodsToHook.put("closeSocket", 1);
+	    methodsToHook.put("connectErrno", 1);
+	    methodsToHook.put("connect", 2);
+	    methodsToHook.put("bind", 1);
+
+	    hookMethods(new HookerListener(){
+
+			@Override
+			public void before(String className, GenericDeclaration method,
+					Object resources, Object... args) {
+				Date now = new Date();
+				SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+				Log.v(Config.DEBUG_TAG, "before:{'time':'"+df.format(now)+"', 'method':'"+className + "." + ((Method)method).getName()+"'}");
+
+
+			}
+
+			@Override
+			public void after(String className, GenericDeclaration method,
+					Object resources, Object... args) {
+				Date now = new Date();
+				SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+				Log.v(Config.DEBUG_TAG, "after:{'time':'"+df.format(now)+"', 'method':'"+className + "." + ((Method)method).getName()+"'}");
+			}
+
+
+	    }, className, methodsToHook);
+	}
+
+}

src/com/shuwoom/apihooker/hookers/interfaces/HookerListener.java

@@ -0,0 +1,11 @@
+package com.shuwoom.apihooker.hookers.interfaces;
+
+import java.lang.reflect.GenericDeclaration;
+
+public interface HookerListener {
+
+	public void before(String className, GenericDeclaration method, Object resources, Object...args);
+
+
+	public void after(String className, GenericDeclaration method, Object resources, Object...args);
+}