├── app
├── .gitignore
├── src
│ ├── main
│ │ ├── res
│ │ │ ├── values
│ │ │ │ ├── strings.xml
│ │ │ │ ├── colors.xml
│ │ │ │ └── styles.xml
│ │ │ ├── mipmap-hdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-mdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-xhdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-xxhdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-xxxhdpi
│ │ │ │ ├── ic_launcher.png
│ │ │ │ └── ic_launcher_round.png
│ │ │ ├── mipmap-anydpi-v26
│ │ │ │ ├── ic_launcher.xml
│ │ │ │ └── ic_launcher_round.xml
│ │ │ ├── layout
│ │ │ │ └── activity_main.xml
│ │ │ ├── drawable-v24
│ │ │ │ └── ic_launcher_foreground.xml
│ │ │ └── drawable
│ │ │ │ └── ic_launcher_background.xml
│ │ ├── java
│ │ │ └── com
│ │ │ │ └── tian
│ │ │ │ └── hook
│ │ │ │ ├── Fake.java
│ │ │ │ └── MainActivity.java
│ │ ├── AndroidManifest.xml
│ │ └── cpp
│ │ │ └── native-lib.cpp
│ ├── test
│ │ └── java
│ │ │ └── com
│ │ │ └── tian
│ │ │ └── hook
│ │ │ └── ExampleUnitTest.java
│ └── androidTest
│ │ └── java
│ │ └── com
│ │ └── tian
│ │ └── hook
│ │ └── ExampleInstrumentedTest.java
├── proguard-rules.pro
├── build.gradle
└── CMakeLists.txt
├── settings.gradle
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── .gitignore
├── README.md
├── gradle.properties
├── gradlew.bat
└── gradlew
/app/.gitignore:
--------------------------------------------------------------------------------
1 | /build
2 |
--------------------------------------------------------------------------------
/settings.gradle:
--------------------------------------------------------------------------------
1 | include ':app'
2 |
--------------------------------------------------------------------------------
/app/src/main/res/values/strings.xml:
--------------------------------------------------------------------------------
1 |
2 | AndroidJavaHook
3 |
4 |
--------------------------------------------------------------------------------
/gradle/wrapper/gradle-wrapper.jar:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/ketn4391/android_java_method_hook/HEAD/gradle/wrapper/gradle-wrapper.jar
--------------------------------------------------------------------------------
/app/src/main/res/mipmap-hdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/ketn4391/android_java_method_hook/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png
--------------------------------------------------------------------------------
/app/src/main/res/mipmap-mdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/ketn4391/android_java_method_hook/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png
--------------------------------------------------------------------------------
/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/ketn4391/android_java_method_hook/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png
--------------------------------------------------------------------------------
/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/ketn4391/android_java_method_hook/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
--------------------------------------------------------------------------------
/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/ketn4391/android_java_method_hook/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
--------------------------------------------------------------------------------
/app/src/main/res/mipmap-hdpi/ic_launcher_round.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/ketn4391/android_java_method_hook/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
--------------------------------------------------------------------------------
/app/src/main/res/mipmap-mdpi/ic_launcher_round.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/ketn4391/android_java_method_hook/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
--------------------------------------------------------------------------------
/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/ketn4391/android_java_method_hook/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
--------------------------------------------------------------------------------
/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/ketn4391/android_java_method_hook/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
--------------------------------------------------------------------------------
/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/ketn4391/android_java_method_hook/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
1 | *.iml
2 | .gradle
3 | .idea
4 | /local.properties
5 | /.idea/workspace.xml
6 | /.idea/libraries
7 | .DS_Store
8 | /build
9 | /captures
10 | .externalNativeBuild
11 |
--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | # android_java_method_hook
2 | A smart way to hook Java method on android art platform with just a few code.
3 |
4 | So far, the code is tested on android api 21, 22, 23, and it works well.
5 | Will support it api 24, 25, ... later.
6 |
--------------------------------------------------------------------------------
/app/src/main/res/values/colors.xml:
--------------------------------------------------------------------------------
1 |
2 |
3 | #3F51B5
4 | #303F9F
5 | #FF4081
6 |
7 |
--------------------------------------------------------------------------------
/gradle/wrapper/gradle-wrapper.properties:
--------------------------------------------------------------------------------
1 | #Tue Feb 13 11:37:08 CST 2018
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
7 |
--------------------------------------------------------------------------------
/app/src/main/java/com/tian/hook/Fake.java:
--------------------------------------------------------------------------------
1 | package com.tian.hook;
2 |
3 | import android.content.pm.PackageInfo;
4 |
5 | /**
6 | * Created by tian.ke on 2018/2/13.
7 | */
8 |
9 | public class Fake {
10 | public native PackageInfo getPackageInfo(String packageName, int flags);
11 | }
12 |
--------------------------------------------------------------------------------
/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 |
--------------------------------------------------------------------------------
/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
5 |
--------------------------------------------------------------------------------
/app/src/main/res/values/styles.xml:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 |
10 |
11 |
12 |
--------------------------------------------------------------------------------
/app/src/test/java/com/tian/hook/ExampleUnitTest.java:
--------------------------------------------------------------------------------
1 | package com.tian.hook;
2 |
3 | import org.junit.Test;
4 |
5 | import static org.junit.Assert.*;
6 |
7 | /**
8 | * Example local unit test, which will execute on the development machine (host).
9 | *
10 | * @see Testing documentation
11 | */
12 | public class ExampleUnitTest {
13 | @Test
14 | public void addition_isCorrect() throws Exception {
15 | assertEquals(4, 2 + 2);
16 | }
17 | }
--------------------------------------------------------------------------------
/app/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
1 |
2 |
4 |
5 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
--------------------------------------------------------------------------------
/app/proguard-rules.pro:
--------------------------------------------------------------------------------
1 | # Add project specific ProGuard rules here.
2 | # You can control the set of applied configuration files using the
3 | # proguardFiles setting in build.gradle.
4 | #
5 | # For more details, see
6 | # http://developer.android.com/guide/developing/tools/proguard.html
7 |
8 | # If your project uses WebView with JS, uncomment the following
9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | # public *;
13 | #}
14 |
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 |
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 |
--------------------------------------------------------------------------------
/gradle.properties:
--------------------------------------------------------------------------------
1 | ## Project-wide Gradle settings.
2 | #
3 | # For more details on how to configure your build environment visit
4 | # http://www.gradle.org/docs/current/userguide/build_environment.html
5 | #
6 | # Specifies the JVM arguments used for the daemon process.
7 | # The setting is particularly useful for tweaking memory settings.
8 | # Default value: -Xmx1024m -XX:MaxPermSize=256m
9 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
10 | #
11 | # When configured, Gradle will run in incubating parallel mode.
12 | # This option should only be used with decoupled projects. More details, visit
13 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
14 | # org.gradle.parallel=true
15 | #Tue Feb 13 11:37:18 CST 2018
16 | org.gradle.jvmargs=-Xmx1536m
17 |
--------------------------------------------------------------------------------
/app/src/androidTest/java/com/tian/hook/ExampleInstrumentedTest.java:
--------------------------------------------------------------------------------
1 | package com.tian.hook;
2 |
3 | import android.content.Context;
4 | import android.support.test.InstrumentationRegistry;
5 | import android.support.test.runner.AndroidJUnit4;
6 |
7 | import org.junit.Test;
8 | import org.junit.runner.RunWith;
9 |
10 | import static org.junit.Assert.*;
11 |
12 | /**
13 | * Instrumented test, which will execute on an Android device.
14 | *
15 | * @see Testing documentation
16 | */
17 | @RunWith(AndroidJUnit4.class)
18 | public class ExampleInstrumentedTest {
19 | @Test
20 | public void useAppContext() throws Exception {
21 | // Context of the app under test.
22 | Context appContext = InstrumentationRegistry.getTargetContext();
23 |
24 | assertEquals("com.tian.hook", appContext.getPackageName());
25 | }
26 | }
27 |
--------------------------------------------------------------------------------
/app/src/main/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
1 |
2 |
8 |
9 |
18 |
19 |
20 |
--------------------------------------------------------------------------------
/app/src/main/java/com/tian/hook/MainActivity.java:
--------------------------------------------------------------------------------
1 | package com.tian.hook;
2 |
3 | import android.content.pm.PackageInfo;
4 | import android.content.pm.PackageManager;
5 | import android.support.v7.app.AppCompatActivity;
6 | import android.os.Bundle;
7 | import android.widget.TextView;
8 |
9 | public class MainActivity extends AppCompatActivity {
10 |
11 | // Used to load the 'native-lib' library on application startup.
12 | static {
13 | System.loadLibrary("native-lib");
14 | }
15 |
16 | @Override
17 | protected void onCreate(Bundle savedInstanceState) {
18 | super.onCreate(savedInstanceState);
19 | setContentView(R.layout.activity_main);
20 |
21 | try {
22 | PackageInfo pkgInfo = getPackageManager().getPackageInfo(MainActivity.this.getPackageName(), PackageManager.GET_SIGNATURES);
23 | TextView tv = findViewById(R.id.sample_text);
24 | tv.setText(pkgInfo.packageName);
25 | } catch (PackageManager.NameNotFoundException e) {
26 | e.printStackTrace();
27 | }
28 | }
29 | }
30 |
--------------------------------------------------------------------------------
/app/build.gradle:
--------------------------------------------------------------------------------
1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 26
5 | defaultConfig {
6 | applicationId "com.tian.hook"
7 | minSdkVersion 21
8 | targetSdkVersion 26
9 | versionCode 1
10 | versionName "1.0"
11 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
12 | externalNativeBuild {
13 | cmake {
14 | cppFlags "-frtti -fexceptions -ldl -llog -std=c++11"
15 | }
16 | }
17 |
18 | ndk {
19 | abiFilters "armeabi-v7a"
20 | }
21 | }
22 | buildTypes {
23 | release {
24 | minifyEnabled false
25 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
26 | }
27 | }
28 | externalNativeBuild {
29 | cmake {
30 | path "CMakeLists.txt"
31 | }
32 | }
33 | }
34 |
35 | dependencies {
36 | implementation fileTree(dir: 'libs', include: ['*.jar'])
37 | implementation 'com.android.support:appcompat-v7:26.1.0'
38 | implementation 'com.android.support.constraint:constraint-layout:1.0.2'
39 | testImplementation 'junit:junit:4.12'
40 | androidTestImplementation 'com.android.support.test:runner:1.0.1'
41 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
42 | }
43 |
--------------------------------------------------------------------------------
/app/CMakeLists.txt:
--------------------------------------------------------------------------------
1 | # For more information about using CMake with Android Studio, read the
2 | # documentation: https://d.android.com/studio/projects/add-native-code.html
3 |
4 | # Sets the minimum version of CMake required to build the native library.
5 |
6 | cmake_minimum_required(VERSION 3.4.1)
7 |
8 | # Creates and names a library, sets it as either STATIC
9 | # or SHARED, and provides the relative paths to its source code.
10 | # You can define multiple libraries, and CMake builds them for you.
11 | # Gradle automatically packages shared libraries with your APK.
12 |
13 | add_library( # Sets the name of the library.
14 | native-lib
15 |
16 | # Sets the library as a shared library.
17 | SHARED
18 |
19 | # Provides a relative path to your source file(s).
20 | src/main/cpp/native-lib.cpp )
21 |
22 | # Searches for a specified prebuilt library and stores the path as a
23 | # variable. Because CMake includes system libraries in the search path by
24 | # default, you only need to specify the name of the public NDK library
25 | # you want to add. CMake verifies that the library exists before
26 | # completing its build.
27 |
28 | find_library( # Sets the name of the path variable.
29 | log-lib
30 |
31 | # Specifies the name of the NDK library that
32 | # you want CMake to locate.
33 | log )
34 |
35 | # Specifies libraries CMake should link to your target library. You
36 | # can link multiple libraries, such as libraries you define in this
37 | # build script, prebuilt third-party libraries, or system libraries.
38 |
39 | target_link_libraries( # Specifies the target library.
40 | native-lib
41 |
42 | # Links the target library to the log library
43 | # included in the NDK.
44 | ${log-lib} )
--------------------------------------------------------------------------------
/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
--------------------------------------------------------------------------------
1 |
7 |
12 |
13 |
19 |
22 |
25 |
26 |
27 |
28 |
34 |
35 |
--------------------------------------------------------------------------------
/gradlew.bat:
--------------------------------------------------------------------------------
1 | @if "%DEBUG%" == "" @echo off
2 | @rem ##########################################################################
3 | @rem
4 | @rem Gradle startup script for Windows
5 | @rem
6 | @rem ##########################################################################
7 |
8 | @rem Set local scope for the variables with windows NT shell
9 | if "%OS%"=="Windows_NT" setlocal
10 |
11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
12 | set DEFAULT_JVM_OPTS=
13 |
14 | set DIRNAME=%~dp0
15 | if "%DIRNAME%" == "" set DIRNAME=.
16 | set APP_BASE_NAME=%~n0
17 | set APP_HOME=%DIRNAME%
18 |
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 |
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 |
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 |
32 | goto fail
33 |
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 |
38 | if exist "%JAVA_EXE%" goto init
39 |
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 |
46 | goto fail
47 |
48 | :init
49 | @rem Get command-line arguments, handling Windowz variants
50 |
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | if "%@eval[2+2]" == "4" goto 4NT_args
53 |
54 | :win9xME_args
55 | @rem Slurp the command line arguments.
56 | set CMD_LINE_ARGS=
57 | set _SKIP=2
58 |
59 | :win9xME_args_slurp
60 | if "x%~1" == "x" goto execute
61 |
62 | set CMD_LINE_ARGS=%*
63 | goto execute
64 |
65 | :4NT_args
66 | @rem Get arguments from the 4NT Shell from JP Software
67 | set CMD_LINE_ARGS=%$
68 |
69 | :execute
70 | @rem Setup the command line
71 |
72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
73 |
74 | @rem Execute Gradle
75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
76 |
77 | :end
78 | @rem End local scope for the variables with windows NT shell
79 | if "%ERRORLEVEL%"=="0" goto mainEnd
80 |
81 | :fail
82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
83 | rem the _cmd.exe /c_ return code!
84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
85 | exit /b 1
86 |
87 | :mainEnd
88 | if "%OS%"=="Windows_NT" endlocal
89 |
90 | :omega
91 |
--------------------------------------------------------------------------------
/gradlew:
--------------------------------------------------------------------------------
1 | #!/usr/bin/env bash
2 |
3 | ##############################################################################
4 | ##
5 | ## Gradle start up script for UN*X
6 | ##
7 | ##############################################################################
8 |
9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
10 | DEFAULT_JVM_OPTS=""
11 |
12 | APP_NAME="Gradle"
13 | APP_BASE_NAME=`basename "$0"`
14 |
15 | # Use the maximum available, or set MAX_FD != -1 to use that value.
16 | MAX_FD="maximum"
17 |
18 | warn ( ) {
19 | echo "$*"
20 | }
21 |
22 | die ( ) {
23 | echo
24 | echo "$*"
25 | echo
26 | exit 1
27 | }
28 |
29 | # OS specific support (must be 'true' or 'false').
30 | cygwin=false
31 | msys=false
32 | darwin=false
33 | case "`uname`" in
34 | CYGWIN* )
35 | cygwin=true
36 | ;;
37 | Darwin* )
38 | darwin=true
39 | ;;
40 | MINGW* )
41 | msys=true
42 | ;;
43 | esac
44 |
45 | # Attempt to set APP_HOME
46 | # Resolve links: $0 may be a link
47 | PRG="$0"
48 | # Need this for relative symlinks.
49 | while [ -h "$PRG" ] ; do
50 | ls=`ls -ld "$PRG"`
51 | link=`expr "$ls" : '.*-> \(.*\)$'`
52 | if expr "$link" : '/.*' > /dev/null; then
53 | PRG="$link"
54 | else
55 | PRG=`dirname "$PRG"`"/$link"
56 | fi
57 | done
58 | SAVED="`pwd`"
59 | cd "`dirname \"$PRG\"`/" >/dev/null
60 | APP_HOME="`pwd -P`"
61 | cd "$SAVED" >/dev/null
62 |
63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
64 |
65 | # Determine the Java command to use to start the JVM.
66 | if [ -n "$JAVA_HOME" ] ; then
67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
68 | # IBM's JDK on AIX uses strange locations for the executables
69 | JAVACMD="$JAVA_HOME/jre/sh/java"
70 | else
71 | JAVACMD="$JAVA_HOME/bin/java"
72 | fi
73 | if [ ! -x "$JAVACMD" ] ; then
74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
75 |
76 | Please set the JAVA_HOME variable in your environment to match the
77 | location of your Java installation."
78 | fi
79 | else
80 | JAVACMD="java"
81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
82 |
83 | Please set the JAVA_HOME variable in your environment to match the
84 | location of your Java installation."
85 | fi
86 |
87 | # Increase the maximum file descriptors if we can.
88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
89 | MAX_FD_LIMIT=`ulimit -H -n`
90 | if [ $? -eq 0 ] ; then
91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
92 | MAX_FD="$MAX_FD_LIMIT"
93 | fi
94 | ulimit -n $MAX_FD
95 | if [ $? -ne 0 ] ; then
96 | warn "Could not set maximum file descriptor limit: $MAX_FD"
97 | fi
98 | else
99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
100 | fi
101 | fi
102 |
103 | # For Darwin, add options to specify how the application appears in the dock
104 | if $darwin; then
105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
106 | fi
107 |
108 | # For Cygwin, switch paths to Windows format before running java
109 | if $cygwin ; then
110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
112 | JAVACMD=`cygpath --unix "$JAVACMD"`
113 |
114 | # We build the pattern for arguments to be converted via cygpath
115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
116 | SEP=""
117 | for dir in $ROOTDIRSRAW ; do
118 | ROOTDIRS="$ROOTDIRS$SEP$dir"
119 | SEP="|"
120 | done
121 | OURCYGPATTERN="(^($ROOTDIRS))"
122 | # Add a user-defined pattern to the cygpath arguments
123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
125 | fi
126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
127 | i=0
128 | for arg in "$@" ; do
129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
131 |
132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
134 | else
135 | eval `echo args$i`="\"$arg\""
136 | fi
137 | i=$((i+1))
138 | done
139 | case $i in
140 | (0) set -- ;;
141 | (1) set -- "$args0" ;;
142 | (2) set -- "$args0" "$args1" ;;
143 | (3) set -- "$args0" "$args1" "$args2" ;;
144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
150 | esac
151 | fi
152 |
153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
154 | function splitJvmOpts() {
155 | JVM_OPTS=("$@")
156 | }
157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
159 |
160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
161 |
--------------------------------------------------------------------------------
/app/src/main/res/drawable/ic_launcher_background.xml:
--------------------------------------------------------------------------------
1 |
2 |
7 |
10 |
15 |
20 |
25 |
30 |
35 |
40 |
45 |
50 |
55 |
60 |
65 |
70 |
75 |
80 |
85 |
90 |
95 |
100 |
105 |
110 |
115 |
120 |
125 |
130 |
135 |
140 |
145 |
150 |
155 |
160 |
165 |
170 |
171 |
--------------------------------------------------------------------------------
/app/src/main/cpp/native-lib.cpp:
--------------------------------------------------------------------------------
1 | #include
2 | #include
3 | #include
4 | #include
5 |
6 | static jobject fake_class = NULL;
7 |
8 | static constexpr uint32_t kAccPublic = 0x0001; // class, field, method, ic
9 | static constexpr uint32_t kAccPrivate = 0x0002; // field, method, ic
10 | static constexpr uint32_t kAccNative = 0x0100; // method
11 |
12 | void hookJavaMethod(JNIEnv *env, const char *className,
13 | const char *funcName,
14 | const char *funcSig,
15 | void *handleFunc,
16 | jclass fake_class,
17 | bool isStatic,
18 | int apiLevel) {
19 | jclass clazz = env->FindClass(className);
20 | if (env->ExceptionCheck()) {
21 | env->ExceptionDescribe();
22 | env->ExceptionClear();
23 | return;
24 | }
25 |
26 | jmethodID methodID = NULL;
27 | if (isStatic) {
28 | methodID = env->GetStaticMethodID(clazz, funcName, funcSig);
29 | } else {
30 | methodID = env->GetMethodID(clazz, funcName, funcSig);
31 | }
32 |
33 | if (env->ExceptionCheck()) {
34 | env->ExceptionDescribe();
35 | env->ExceptionClear();
36 | return;
37 | }
38 |
39 | void *artMethod = reinterpret_cast(methodID);
40 |
41 | jmethodID jmethodID1 = env->GetMethodID(fake_class, funcName, funcSig);
42 |
43 | if (env->ExceptionCheck()) {
44 | env->ExceptionDescribe();
45 | env->ExceptionClear();
46 | return;
47 | }
48 |
49 | void *copyArtMethod = reinterpret_cast(jmethodID1);
50 |
51 | if (apiLevel == 21) {
52 | const int32_t entry_offset = 40;
53 | void *entry_raw_addr = (void *) (reinterpret_cast(copyArtMethod) + entry_offset);
54 | void **entry_addr = reinterpret_cast(entry_raw_addr);
55 | void *entry = *entry_addr;
56 |
57 | size_t len = 72;
58 | memcpy(copyArtMethod, artMethod, len);
59 |
60 | uint8_t *flags_raw_addr = reinterpret_cast(copyArtMethod);
61 | int32_t *flags_addr = reinterpret_cast(flags_raw_addr + 56);
62 | *flags_addr = (*flags_addr | kAccPrivate);
63 |
64 | flags_raw_addr = reinterpret_cast(artMethod);
65 | flags_addr = reinterpret_cast(flags_raw_addr + 56);
66 | *flags_addr = (*flags_addr | kAccNative);
67 |
68 | entry_raw_addr = (void *) (reinterpret_cast(artMethod) + entry_offset);
69 | entry_addr = reinterpret_cast(entry_raw_addr);
70 | *entry_addr = entry;
71 |
72 | int offset = 32;
73 | void *raw_addr = (void *) (reinterpret_cast(artMethod) + offset);
74 | void **addr = reinterpret_cast(raw_addr);
75 | *addr = handleFunc;
76 | } else if (apiLevel == 22) {
77 | const int32_t entry_offset = 44;
78 | void *entry_raw_addr = (void *) (reinterpret_cast(copyArtMethod) + entry_offset);
79 | void **entry_addr = reinterpret_cast(entry_raw_addr);
80 | void *entry = *entry_addr;
81 |
82 | size_t len = 48;
83 | memcpy(copyArtMethod, artMethod, len);
84 |
85 | uint8_t *flags_raw_addr = reinterpret_cast(copyArtMethod);
86 | int32_t *flags_addr = reinterpret_cast(flags_raw_addr + 20);
87 | *flags_addr = (*flags_addr | kAccPrivate);
88 |
89 | flags_raw_addr = reinterpret_cast(artMethod);
90 | flags_addr = reinterpret_cast(flags_raw_addr + 20);
91 | *flags_addr = (*flags_addr | kAccNative);
92 |
93 | entry_raw_addr = (void *) (reinterpret_cast(artMethod) + entry_offset);
94 | entry_addr = reinterpret_cast(entry_raw_addr);
95 | *entry_addr = entry;
96 |
97 | int offset = 40;
98 | void *raw_addr = (void *) (reinterpret_cast(artMethod) + offset);
99 | void **addr = reinterpret_cast(raw_addr);
100 | *addr = handleFunc;
101 | } else if (apiLevel == 23) {
102 | const int32_t entry_offset = 36;
103 | void *entry_raw_addr = (void *) (reinterpret_cast(copyArtMethod) + entry_offset);
104 | void **entry_addr = reinterpret_cast(entry_raw_addr);
105 | void *entry = *entry_addr;
106 |
107 | size_t len = 40;
108 | memcpy(copyArtMethod, artMethod, len);
109 |
110 | uint8_t *flags_raw_addr = reinterpret_cast(copyArtMethod);
111 | int32_t *flags_addr = reinterpret_cast(flags_raw_addr + 12);
112 | *flags_addr = (*flags_addr | kAccPrivate);
113 |
114 | flags_raw_addr = reinterpret_cast(artMethod);
115 | flags_addr = reinterpret_cast(flags_raw_addr + 12);
116 | *flags_addr = (*flags_addr | kAccNative);
117 |
118 | entry_raw_addr = (void *) (reinterpret_cast(artMethod) + entry_offset);
119 | entry_addr = reinterpret_cast(entry_raw_addr);
120 | *entry_addr = entry;
121 |
122 | int offset = 32;
123 | void *raw_addr = (void *) (reinterpret_cast(artMethod) + offset);
124 | void **addr = reinterpret_cast(raw_addr);
125 | *addr = handleFunc;
126 | } else {
127 | // TODO support it later.
128 | }
129 | }
130 |
131 | typedef int (SystemPropertyGetFunction)(const char*, char*);
132 | static int getApiLevel(void) {
133 | int ret = 21; // default
134 |
135 | void* handle = dlopen("libc.so", RTLD_LAZY);
136 | if (!handle) {
137 | return ret;
138 | }
139 |
140 | SystemPropertyGetFunction* real_system_property_get = reinterpret_cast(dlsym(handle, "__system_property_get"));
141 | if (!real_system_property_get) {
142 | return ret;
143 | }
144 |
145 | char value[8] = {0};
146 | real_system_property_get("ro.build.version.sdk", value);
147 |
148 | char* end = NULL;
149 | long v = strtol(value, &end, 10);
150 | if (end && *end == '\0' && v == (int)v) {
151 | ret = (int)v;
152 | }
153 |
154 | return ret;
155 |
156 | }
157 |
158 | jobject getPackageInfo(JNIEnv *env, jobject thiz, jstring packageName, jint flags) {
159 | jmethodID getPackageInfo_methodID = env->GetMethodID((jclass)fake_class, "getPackageInfo", "(Ljava/lang/String;I)Landroid/content/pm/PackageInfo;");
160 | jobject obj = env->CallObjectMethod(thiz, getPackageInfo_methodID, packageName, flags);
161 | jclass pkgInfoClass = env->GetObjectClass(obj);
162 | jfieldID jfieldID1 = env->GetFieldID(pkgInfoClass, "packageName", "Ljava/lang/String;");
163 | env->SetObjectField(obj, jfieldID1, env->NewStringUTF("it's been hooked!"));
164 | return obj;
165 | }
166 |
167 | JNIEXPORT jint JNI_OnLoad(JavaVM *vm, void *reserved) {
168 | JNIEnv* env;
169 | if (vm->GetEnv(reinterpret_cast(&env), JNI_VERSION_1_6) != JNI_OK) {
170 | return -1;
171 | }
172 |
173 | fake_class = env->NewGlobalRef(env->FindClass("com/tian/hook/Fake"));
174 | hookJavaMethod(env, "android/app/ApplicationPackageManager", "getPackageInfo", "(Ljava/lang/String;I)Landroid/content/pm/PackageInfo;",
175 | (void*)getPackageInfo, (jclass)fake_class, false, getApiLevel());
176 | return JNI_VERSION_1_6;
177 | }
178 |
--------------------------------------------------------------------------------