first commit

Author: AndroidReverser-Test

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

app/.gitignore

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+/build

app/build.gradle.kts

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+plugins {
+    alias(libs.plugins.android.application)
+}
+
+android {
+    namespace = "com.test.uprobechecker"
+    compileSdk = 35
+
+    defaultConfig {
+        applicationId = "com.test.uprobechecker"
+        minSdk = 29
+        targetSdk = 35
+        versionCode = 1
+        versionName = "1.0"
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    externalNativeBuild {
+        cmake {
+            path = file("src/main/cpp/CMakeLists.txt")
+            version = "3.22.1"
+        }
+    }
+    buildFeatures {
+        viewBinding = true
+    }
+}
+
+dependencies {
+
+    implementation(libs.appcompat)
+    implementation(libs.material)
+    implementation(libs.constraintlayout)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.ext.junit)
+    androidTestImplementation(libs.espresso.core)
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# 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 *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/test/uprobechecker/ExampleInstrumentedTest.java

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+package com.test.uprobechecker;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.test.uprobechecker", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.UprobeChecker"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/cpp/CMakeLists.txt

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+# For more information about using CMake with Android Studio, read the
+# documentation: https://d.android.com/studio/projects/add-native-code.html.
+# For more examples on how to use CMake, see https://github.com/android/ndk-samples.
+
+# Sets the minimum CMake version required for this project.
+cmake_minimum_required(VERSION 3.22.1)
+
+# Declares the project name. The project name can be accessed via ${ PROJECT_NAME},
+# Since this is the top level CMakeLists.txt, the project name is also accessible
+# with ${CMAKE_PROJECT_NAME} (both CMake variables are in-sync within the top level
+# build script scope).
+project("uprobechecker")
+
+# Creates and names a library, sets it as either STATIC
+# or SHARED, and provides the relative paths to its source code.
+# You can define multiple libraries, and CMake builds them for you.
+# Gradle automatically packages shared libraries with your APK.
+#
+# In this top level CMakeLists.txt, ${CMAKE_PROJECT_NAME} is used to define
+# the target library name; in the sub-module's CMakeLists.txt, ${PROJECT_NAME}
+# is preferred for the same purpose.
+#
+# In order to load a library into your app from Java/Kotlin, you must call
+# System.loadLibrary() and pass the name of the library defined here;
+# for GameActivity/NativeActivity derived applications, the same library name must be
+# used in the AndroidManifest.xml file.
+add_library(${CMAKE_PROJECT_NAME} SHARED
+        # List C/C++ source files with relative paths to this CMakeLists.txt.
+        native-lib.cpp)
+
+# Specifies libraries CMake should link to your target library. You
+# can link libraries from various origins, such as libraries defined in this
+# build script, prebuilt third-party libraries, or Android system libraries.
+target_link_libraries(${CMAKE_PROJECT_NAME}
+        # List libraries link to the target library
+        android
+        log)

app/src/main/cpp/log.h

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+#include <android/log.h>
+
+#define LOG_TAG "Test-Log"
+#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
+#define LOGW(...) __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)
+#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
+#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)

app/src/main/cpp/native-lib.cpp

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+#include <jni.h>
+#include <string>
+#include <unistd.h>
+#include <sys/mman.h>
+#include "log.h"
+
+
+bool is_address_accessible(void* addr) {
+    unsigned char vec;
+    long page_size = sysconf(_SC_PAGESIZE);
+    void* page_start = (void*)((long)addr & ~(page_size - 1));
+
+    return mincore(page_start, page_size, &vec) == 0;
+}
+
+extern "C"
+JNIEXPORT jboolean JNICALL
+Java_com_test_uprobechecker_MainActivity_is_1find_1upobes(JNIEnv *env, jobject thiz) {
+    bool uprobe_flag = false;
+    const int bufsize = 1024;
+    char filename[bufsize];
+    char line[bufsize];
+    FILE* fd = fopen("/proc/self/maps", "r");
+    if (fd != nullptr) {
+        while (fgets(line, bufsize, fd)) {
+            if (strstr(line, "[uprobes]")) {
+                uprobe_flag = true;
+                break;
+            }
+        }
+        fclose(fd);
+    }
+
+    if(uprobe_flag){
+        return true;
+    }
+
+    uprobe_flag = is_address_accessible((void *)0x7ffffff000);
+    return uprobe_flag;
+}

app/src/main/java/com/test/uprobechecker/MainActivity.java

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+package com.test.uprobechecker;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+import android.widget.TextView;
+
+import com.test.uprobechecker.databinding.ActivityMainBinding;
+
+import java.util.Timer;
+import java.util.TimerTask;
+
+public class MainActivity extends AppCompatActivity {
+
+    // Used to load the 'uprobechecker' library on application startup.
+    static {
+        System.loadLibrary("uprobechecker");
+    }
+
+    private ActivityMainBinding binding;
+    boolean uprobe_flag = false;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        binding = ActivityMainBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        // Example of a call to a native method
+        TextView tv = binding.sampleText;
+
+        Timer timer = new Timer();
+        TimerTask task = new TimerTask() {
+            @Override
+            public void run() {
+                uprobe_flag = is_find_upobes();
+                // 后台线程执行的任务
+                runOnUiThread(() -> {
+                    if(uprobe_flag){
+                        tv.setText("Find uprobe");
+                    }else {
+                        tv.setText("Not found uprobe");
+                    }
+
+                });
+            }
+        };
+
+        timer.schedule(task, 1000, 1000);
+    }
+
+
+    public native boolean is_find_upobes();
+}