├── .gitignore ├── .idea ├── .name ├── misc.xml └── vcs.xml ├── .travis.yml ├── LICENSE ├── README.md ├── build.gradle ├── example ├── app.txt ├── calc.apk └── key ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── instrument.sh ├── settings.gradle ├── sign.sh └── src ├── main └── java │ └── dev │ └── navids │ └── android_instrumentor │ ├── BeginningLoggerBodyTransformer.java │ ├── EndingLoggerBodyTransformer.java │ ├── InstUtil.java │ ├── InstrumentationBodyTransformer.java │ ├── Instrumentor.java │ ├── Main.java │ └── Util.java └── test └── java └── dev └── navids └── android_instrumentor ├── InstrumentorTest.java └── UtilTest.java /.gitignore: -------------------------------------------------------------------------------- 1 | 2 | # Created by https://www.toptal.com/developers/gitignore/api/intellij,gradle 3 | # Edit at https://www.toptal.com/developers/gitignore?templates=intellij,gradle 4 | 5 | ### Intellij ### 6 | # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider 7 | # Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839 8 | 9 | # User-specific stuff 10 | .idea/**/workspace.xml 11 | .idea/**/tasks.xml 12 | .idea/**/usage.statistics.xml 13 | .idea/**/dictionaries 14 | .idea/**/shelf 15 | 16 | # Generated files 17 | .idea/**/contentModel.xml 18 | 19 | # Sensitive or high-churn files 20 | .idea/**/dataSources/ 21 | .idea/**/dataSources.ids 22 | .idea/**/dataSources.local.xml 23 | .idea/**/sqlDataSources.xml 24 | .idea/**/dynamic.xml 25 | .idea/**/uiDesigner.xml 26 | .idea/**/dbnavigator.xml 27 | 28 | # Gradle 29 | .idea/**/gradle.xml 30 | .idea/**/libraries 31 | 32 | # Gradle and Maven with auto-import 33 | # When using Gradle or Maven with auto-import, you should exclude module files, 34 | # since they will be recreated, and may cause churn. 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If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Android Instrumentor 2 | [![Build Status](https://travis-ci.com/noidsirius/android-soot-instrumentor.svg?branch=master)](https://travis-ci.com/noidsirius/android-soot-instrumentor) 3 | [![codecov](https://codecov.io/gh/noidsirius/android-soot-instrumentor/branch/master/graph/badge.svg)](https://codecov.io/gh/noidsirius/android-soot-instrumentor) 4 | 5 | *Android Instrumentor* is an open-source tool for instrumenting Android APKs using [Soot](https://github.com/Sable/soot). 6 | 7 | ## Setup 8 | - Requires Java version below 9, e.g., 8. 9 | - You can set ANDROID_HOME environmental variable, e.g., `export ANDROID_HOME=~/Library/Android/sdk/platforms` for osx) or provide it to the instrumentor in run time. 10 | - Build the jar file: ``./gradlew clean jar`` (the jar is located in `build/libs/android-instrumentor-1.0-SNAPSHOT.jar`) 11 | 12 | ## Execute 13 | The command `java -jar build/libs/android-instrumentor-1.0-SNAPSHOT.jar -a -o -b` instruments the app located in `` to log the execution of each method and put it in directory ``. In order to install the instrumented app, sign it by running `./sign.sh `. 14 | 15 | ### Example 16 | ``` 17 | java -jar build/libs/android-instrumentor-1.0-SNAPSHOT.jar -apk example/calc.apk -output instrumented -tag "MY_INSTRUMENT_TAG" -b -e -l "onCreate;boolean verify(android.content.Context,com.numix.calculator.MutableString);" 18 | ./sign.sh instrumented/calc.apk example/key android 19 | adb install -r -t instrumented/calc.apk 20 | ``` 21 | Notes: 22 | - The option `-e` logs the end of methods (when their execution is finished). 23 | - The option `-l` determines the methods to be instrumented. In the example above, only methods are instrumented where their name is `onCreate`, or their subsignature is `boolean verify(android.content.Context,com.numix.calculator.MutableString)`, or their signature is ``. 24 | - The option `-tag' distinguishes the instrumented logs (those lines start with "MY_INSTRUMENT_TAG"). The default value is "ANDROID_SOOT_INSTRUMENT". 25 | - To see the instrumented logs, run `adb logcat | grep -e "MY_INSTRUMENT_TAG"`. 26 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'java' 2 | apply plugin: 'jacoco' 3 | 4 | group 'dev.navids' 5 | version '1.0-SNAPSHOT' 6 | 7 | sourceCompatibility = 1.8 8 | 9 | repositories { 10 | mavenCentral() 11 | maven { 12 | url 'https://soot-build.cs.uni-paderborn.de/nexus/repository/soot-snapshot/' 13 | } 14 | maven { 15 | url 'https://soot-build.cs.uni-paderborn.de/nexus/repository/soot-release/' 16 | } 17 | } 18 | 19 | dependencies { 20 | compile('log4j:log4j:1.2.17') { 21 | exclude group: 'javax.jms', module: 'jms' 22 | exclude group: 'com.sun.jdmk', module: 'jmxtools' 23 | exclude group: 'com.sun.jmx', module: 'jmxri' 24 | } 25 | compile group: 'org.slf4j', name: 'slf4j-log4j12', version: '1.7.30' 26 | compile group: 'commons-cli', name: 'commons-cli', version: '1.4' 27 | compile 'de.tud.sse:soot-infoflow:2.7.1' 28 | compile 'de.tud.sse:soot-infoflow-android:2.7.1' 29 | compile 'de.tud.sse:soot-infoflow-cmd:2.7.1' 30 | compile 'de.tud.sse:soot-infoflow-summaries:2.7.1' 31 | compile ([group: 'ca.mcgill.sable', name: 'soot', version: '4.1.0']) 32 | 33 | testImplementation 'org.junit.jupiter:junit-jupiter-api:5.3.1' 34 | testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.3.1' 35 | } 36 | 37 | test { 38 | useJUnitPlatform() 39 | } 40 | 41 | jacocoTestReport { 42 | reports { 43 | xml.enabled true 44 | html.enabled false 45 | } 46 | } 47 | 48 | jar { 49 | manifest { 50 | attributes 'Main-Class': 'dev.navids.android_instrumentor.Main' 51 | } 52 | from { 53 | configurations.compile.collect { it.isDirectory() ? it : zipTree(it) } 54 | } 55 | } 56 | -------------------------------------------------------------------------------- /example/app.txt: -------------------------------------------------------------------------------- 1 | https://f-droid.org/en/packages/com.numix.calculator/ 2 | -------------------------------------------------------------------------------- /example/calc.apk: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/noidsirius/android-soot-instrumentor/d1a815620efb45c87577edb1b461f0eddd470a06/example/calc.apk -------------------------------------------------------------------------------- /example/key: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/noidsirius/android-soot-instrumentor/d1a815620efb45c87577edb1b461f0eddd470a06/example/key -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/noidsirius/android-soot-instrumentor/d1a815620efb45c87577edb1b461f0eddd470a06/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Tue Jun 16 19:08:13 PDT 2020 2 | distributionUrl=https\://services.gradle.org/distributions/gradle-5.2.1-all.zip 3 | distributionBase=GRADLE_USER_HOME 4 | distributionPath=wrapper/dists 5 | zipStorePath=wrapper/dists 6 | zipStoreBase=GRADLE_USER_HOME 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS='"-Xmx64m"' 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn () { 37 | echo "$*" 38 | } 39 | 40 | die () { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Escape application args 158 | save () { 159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 160 | echo " " 161 | } 162 | APP_ARGS=$(save "$@") 163 | 164 | # Collect all arguments for the java command, following the shell quoting and substitution rules 165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 166 | 167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then 169 | cd "$(dirname "$0")" 170 | fi 171 | 172 | exec "$JAVACMD" "$@" 173 | -------------------------------------------------------------------------------- /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 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS="-Xmx64m" 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 Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /instrument.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | ANDROID_PLATFORM=~/Library/Android/sdk/platforms 3 | INSTRUMENTOR_JAR=build/libs/android-instrumentor-1.0-SNAPSHOT.jar 4 | BUILDTOOLS=~/Library/Android/sdk/build-tools/28.0.3 5 | OUTDIR="./instrumented" 6 | while getopts j:b:k:p:o:a: option 7 | do 8 | case "${option}" 9 | in 10 | j) INSTRUMENTOR_JAR=${OPTARG};; 11 | a) APK=${OPTARG};; 12 | b) BUILDTOOLS=${OPTARG};; 13 | k) KEY=${OPTARG};; 14 | p) KEYSTORE_PASS=${OPTARG};; 15 | o) OUTDIR=${OPTARG};; 16 | esac 17 | done 18 | mkdir -p $OUTDIR 19 | APKNAME=$(basename "$APK") 20 | zipalign=$BUILDTOOLS/zipalign 21 | apksigner=$BUILDTOOLS/apksigner 22 | INSTRUMENTED_APP=$OUTDIR/$APKNAME 23 | TMP_FILE=/tmp/tmpfile.apk 24 | echo "Instrumenting $APKNAME..." 25 | java -jar $INSTRUMENTOR_JAR -platform $ANDROID_PLATFORM -apk $APK -output $OUTDIR 26 | 27 | 28 | if [ ! -z "$KEY" ]; then 29 | PASS_OPT="--ks-pass pass:$KEYSTORE_PASS" 30 | [[ -z "$KEYSTORE_PASS" ]] && PASS_OPT="" 31 | $zipalign -f 4 $INSTRUMENTED_APP $TMP_FILE 32 | $apksigner sign --ks $KEY $PASS_OPT $TMP_FILE 33 | cp $TMP_FILE $INSTRUMENTED_APP 34 | rm $TMP_FILE 35 | echo "The $APKNAME is signed and located in $INSTRUMENTED_APP" 36 | fi 37 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name = 'android-instrumentor' 2 | 3 | -------------------------------------------------------------------------------- /sign.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | BUILDTOOLS=~/Library/Android/sdk/build-tools/28.0.3 3 | zipalign=$BUILDTOOLS/zipalign 4 | apksigner=$BUILDTOOLS/apksigner 5 | INSTRUMENTED_APP=$1 6 | KEY=$2 7 | KEYSTORE_PASS=${3:-""} 8 | TMP_FILE=/tmp/tmpfile.apk 9 | PASS_OPT="--ks-pass pass:$KEYSTORE_PASS" 10 | [[ -z "$KEYSTORE_PASS" ]] && PASS_OPT="" 11 | $zipalign -f 4 $INSTRUMENTED_APP $TMP_FILE 12 | $apksigner sign --ks $KEY $PASS_OPT $TMP_FILE 13 | cp $TMP_FILE $INSTRUMENTED_APP 14 | rm $TMP_FILE 15 | echo "The app is signed and located in $INSTRUMENTED_APP" 16 | -------------------------------------------------------------------------------- /src/main/java/dev/navids/android_instrumentor/BeginningLoggerBodyTransformer.java: -------------------------------------------------------------------------------- 1 | package dev.navids.android_instrumentor; 2 | 3 | import soot.jimple.JimpleBody; 4 | import soot.jimple.Stmt; 5 | 6 | import java.util.List; 7 | 8 | public class BeginningLoggerBodyTransformer extends InstrumentationBodyTransformer { 9 | 10 | BeginningLoggerBodyTransformer(String packageName, List instrumentedMethodIdentifiers, String tag) { 11 | super(packageName, instrumentedMethodIdentifiers, tag); 12 | } 13 | 14 | @Override 15 | protected boolean injectCode(Stmt stmt, JimpleBody body) { 16 | if (stmt != body.getFirstNonIdentityStmt()) 17 | return false; 18 | String message = String.format("Beginning of method %s", body.getMethod().getSignature()); 19 | InstUtil.addLogStmt(stmt, body, message, INSTRUMENTATION_TAG , true); 20 | body.validate(); 21 | return true; 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /src/main/java/dev/navids/android_instrumentor/EndingLoggerBodyTransformer.java: -------------------------------------------------------------------------------- 1 | package dev.navids.android_instrumentor; 2 | 3 | import soot.jimple.JimpleBody; 4 | import soot.jimple.ReturnStmt; 5 | import soot.jimple.ReturnVoidStmt; 6 | import soot.jimple.Stmt; 7 | 8 | import java.util.List; 9 | 10 | public class EndingLoggerBodyTransformer extends InstrumentationBodyTransformer { 11 | 12 | EndingLoggerBodyTransformer(String packageName, List instrumentedMethodIdentifiers, String tag) { 13 | super(packageName, instrumentedMethodIdentifiers, tag); 14 | } 15 | 16 | @Override 17 | protected boolean injectCode(Stmt stmt, JimpleBody body) { 18 | if ( !(stmt instanceof ReturnStmt) && !(stmt instanceof ReturnVoidStmt)) 19 | return false; 20 | String message = String.format("Ending of method %s", body.getMethod().getSignature()); 21 | InstUtil.addLogStmt(stmt, body, message, INSTRUMENTATION_TAG , true); 22 | body.validate(); 23 | return true; 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /src/main/java/dev/navids/android_instrumentor/InstUtil.java: -------------------------------------------------------------------------------- 1 | package dev.navids.android_instrumentor; 2 | 3 | import soot.*; 4 | import soot.javaToJimple.LocalGenerator; 5 | import soot.jimple.*; 6 | 7 | import java.util.ArrayList; 8 | import java.util.List; 9 | 10 | public class InstUtil { 11 | 12 | public static void addLogStmt(Unit u, Body b, String msg, String tag, boolean insertBefore) { 13 | List generated = new ArrayList(); 14 | Value logMessage = StringConstant.v(msg); 15 | Value logType = StringConstant.v(tag); 16 | Value logMsg = logMessage; 17 | SootMethod sm = Scene.v().getMethod(""); 18 | StaticInvokeExpr invokeExpr = Jimple.v().newStaticInvokeExpr(sm.makeRef(), logType, logMsg); 19 | generated.add(Jimple.v().newInvokeStmt(invokeExpr)); 20 | if (insertBefore) { 21 | b.getUnits().insertBefore(generated, u); 22 | } else { 23 | b.getUnits().insertAfter(generated, u); 24 | } 25 | b.validate(); 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /src/main/java/dev/navids/android_instrumentor/InstrumentationBodyTransformer.java: -------------------------------------------------------------------------------- 1 | package dev.navids.android_instrumentor; 2 | 3 | import soot.Body; 4 | import soot.BodyTransformer; 5 | import soot.Unit; 6 | import soot.jimple.JimpleBody; 7 | import soot.jimple.Stmt; 8 | 9 | import java.util.*; 10 | import java.util.stream.Collectors; 11 | 12 | public abstract class InstrumentationBodyTransformer extends BodyTransformer { 13 | 14 | private String packageName; 15 | private boolean isWhiteList = false; 16 | private Set instrumentedMethodNames = new HashSet<>(); 17 | private Set instrumentedMethodSubsignatures = new HashSet<>(); 18 | private Set instrumentedMethodSignatures = new HashSet<>(); 19 | 20 | 21 | 22 | static String INSTRUMENTATION_TAG = "ANDROID_SOOT_INSTRUMENT"; 23 | 24 | InstrumentationBodyTransformer(String packageName, List instrumentedMethodIdentifiers, String tag) { 25 | this.packageName = packageName; 26 | INSTRUMENTATION_TAG = tag; 27 | if(instrumentedMethodIdentifiers != null){ 28 | isWhiteList = true; 29 | instrumentedMethodNames.addAll(instrumentedMethodIdentifiers.stream().filter(Util::isMethodName).collect(Collectors.toList())); 30 | instrumentedMethodSubsignatures.addAll(instrumentedMethodIdentifiers.stream().filter(Util::isMethodSubsignature).collect(Collectors.toList())); 31 | instrumentedMethodSignatures.addAll(instrumentedMethodIdentifiers.stream().filter(Util::isMethodSignature).collect(Collectors.toList())); 32 | } 33 | } 34 | 35 | @Override 36 | protected void internalTransform(Body body, String arg0, @SuppressWarnings("rawtypes") Map arg1) { 37 | JimpleBody jimpleBody = (JimpleBody) body; 38 | if (!shouldSkipInstrumentationCriteria(body)) { 39 | Iterator i = body.getUnits().snapshotIterator(); 40 | while (i.hasNext()) { 41 | Stmt stmt = (Stmt) i.next(); 42 | boolean injected = injectCode(stmt, jimpleBody); 43 | // if (injected) { 44 | // System.out.println("-- Code Injected in " + body.getMethod().getSignature()); 45 | // break; 46 | // } 47 | } 48 | } 49 | } 50 | 51 | protected abstract boolean injectCode(Stmt stmt, JimpleBody body); 52 | 53 | protected boolean shouldSkipInstrumentationCriteria(Body body) { 54 | if(isWhiteList){ 55 | if(instrumentedMethodNames.contains(body.getMethod().getName())) 56 | return false; 57 | if(instrumentedMethodSubsignatures.contains(body.getMethod().getSubSignature())) 58 | return false; 59 | if(instrumentedMethodSignatures.contains(body.getMethod().getSignature())) 60 | return false; 61 | return true; 62 | } 63 | return !body.getMethod().getDeclaringClass().getPackageName().startsWith(packageName); 64 | } 65 | 66 | } 67 | -------------------------------------------------------------------------------- /src/main/java/dev/navids/android_instrumentor/Instrumentor.java: -------------------------------------------------------------------------------- 1 | package dev.navids.android_instrumentor; 2 | 3 | import soot.PackManager; 4 | import soot.Scene; 5 | import soot.Transform; 6 | import soot.options.Options; 7 | 8 | import java.io.File; 9 | import java.util.Arrays; 10 | import java.util.Collections; 11 | import java.util.List; 12 | 13 | public class Instrumentor { 14 | 15 | public static void instrument(String output, List bodyTransformers, String apk, String androidJAR) { 16 | final File[] files = (new File(output)).listFiles(); 17 | if (files != null && files.length > 0) { 18 | Arrays.asList(files).forEach(File::delete); 19 | } 20 | initializeSoot(output, apk, androidJAR); 21 | bodyTransformers.forEach(bodyTransformer -> PackManager.v().getPack("jtp").add(new Transform("jtp.myAnalysis"+bodyTransformer.hashCode(), bodyTransformer))); 22 | PackManager.v().runPacks(); 23 | PackManager.v().writeOutput(); 24 | System.out.println("The APK is instrumented"); 25 | } 26 | 27 | public static void initializeSoot(String output, String apk, String androidJAR) { 28 | Options.v().set_allow_phantom_refs(true); 29 | Options.v().set_prepend_classpath(true); 30 | Options.v().set_validate(true); 31 | Options.v().set_output_format(Options.output_format_dex); 32 | Options.v().set_output_dir(output); 33 | Options.v().set_process_dir(Collections.singletonList(apk)); 34 | Options.v().set_android_jars(androidJAR); 35 | Options.v().set_src_prec(Options.src_prec_apk); 36 | Options.v().set_process_multiple_dex(true); 37 | Options.v().set_soot_classpath(androidJAR); 38 | Scene.v().loadNecessaryClasses(); 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /src/main/java/dev/navids/android_instrumentor/Main.java: -------------------------------------------------------------------------------- 1 | package dev.navids.android_instrumentor; 2 | 3 | 4 | import org.apache.commons.cli.*; 5 | import org.apache.log4j.BasicConfigurator; 6 | import org.apache.log4j.Level; 7 | import org.apache.log4j.Logger; 8 | import soot.jimple.infoflow.android.manifest.ProcessManifest; 9 | 10 | import java.io.File; 11 | import java.util.ArrayList; 12 | import java.util.Arrays; 13 | import java.util.List; 14 | 15 | public class Main { 16 | private final static String USER_HOME = System.getProperty("user.home"); 17 | private static String androidJar = USER_HOME + "/Library/Android/sdk/platforms"; 18 | 19 | private static Options createClOptions() { 20 | Options options = new Options(); 21 | options.addOption("h", "help", false, "Show this help."); 22 | options.addOption(Option.builder("platform") 23 | .desc("the directory containing android platforms").hasArg().argName("platform").build()); 24 | options.addOption(Option.builder("apk") 25 | .desc("the APK path").hasArg().argName("apk").required().build()); 26 | options.addOption(Option.builder("output") 27 | .desc("the output directory").hasArg().argName("output").required().build()); 28 | options.addOption(Option.builder("tag") 29 | .desc(String.format("the logging tag (default='%s')", InstrumentationBodyTransformer.INSTRUMENTATION_TAG)) 30 | .hasArg().argName("tag").build()); 31 | options.addOption(Option.builder("b").desc("logs methods' beginning").build()); 32 | options.addOption(Option.builder("e").desc("logs methods' ending").build()); 33 | options.addOption(Option.builder("l") 34 | .desc("the list of methods (signature, subsignature, or name) to be instrumented separated by semicolon (default=all methods)").hasArg() 35 | .argName("instrumented_methods").build()); 36 | return options; 37 | } 38 | 39 | public static void main(String[] args) { 40 | // Configure log4j 41 | BasicConfigurator.configure(); 42 | Logger.getRootLogger().setLevel(Level.INFO); 43 | // Parse commandline input 44 | CommandLineParser parser = new DefaultParser(); 45 | final Options options = createClOptions(); 46 | try { 47 | CommandLine line = parser.parse(options, args); 48 | if (line.hasOption("platform")) 49 | androidJar = line.getOptionValue("platform"); 50 | else if(System.getenv().containsKey("ANDROID_HOME")) 51 | androidJar = System.getenv("ANDROID_HOME"); 52 | String outputDir = line.getOptionValue("output"); 53 | String apkPath = line.getOptionValue("apk"); 54 | final ProcessManifest processManifest = new ProcessManifest(apkPath); 55 | String instrumentationAddress = new File(outputDir).getAbsolutePath(); 56 | String tag = InstrumentationBodyTransformer.INSTRUMENTATION_TAG; 57 | if (line.hasOption("tag")) 58 | tag = line.getOptionValue("tag"); 59 | String packageName = processManifest.getPackageName(); 60 | List instrumentedMethodIdentifiers = null; 61 | if (line.hasOption("l")) 62 | instrumentedMethodIdentifiers = Arrays.asList(line.getOptionValue("l").split(";")); 63 | List transformers = new ArrayList<>(); 64 | if(line.hasOption("b")) 65 | transformers.add(new BeginningLoggerBodyTransformer(packageName, instrumentedMethodIdentifiers, tag)); 66 | if(line.hasOption("e")) 67 | transformers.add(new EndingLoggerBodyTransformer(packageName, instrumentedMethodIdentifiers, tag)); 68 | Instrumentor.instrument(instrumentationAddress, transformers, apkPath, androidJar); 69 | } catch (ParseException exp) { 70 | HelpFormatter formatter = new HelpFormatter(); 71 | System.err.println("Invalid args:" + exp.getMessage()); 72 | formatter.printHelp("Instrumentor", options); 73 | System.exit(1); 74 | } catch (Exception e) { 75 | e.printStackTrace(); 76 | } 77 | } 78 | } 79 | -------------------------------------------------------------------------------- /src/main/java/dev/navids/android_instrumentor/Util.java: -------------------------------------------------------------------------------- 1 | package dev.navids.android_instrumentor; 2 | 3 | import java.util.regex.Pattern; 4 | 5 | public class Util { 6 | private static String classPattern = "([a-zA-Z_$][a-zA-Z\\d_$]*\\.)*[a-zA-Z_$][a-zA-Z\\d_$]*"; 7 | private static String methodPattern = "[a-zA-Z_$][a-zA-Z\\d_$]*"; 8 | public static boolean isMethodSignature(String signature){ 9 | Pattern methodNamePattern = Pattern.compile(String.format("<%s:\\s+%s\\s+%s\\(.*\\)>",classPattern, classPattern, methodPattern)); 10 | return methodNamePattern.matcher(signature).matches(); 11 | } 12 | 13 | public static boolean isMethodSubsignature(String subsig){ 14 | Pattern methodNamePattern = Pattern.compile(String.format("%s\\s+%s\\(.*\\)",classPattern, methodPattern)); 15 | return methodNamePattern.matcher(subsig).matches(); 16 | } 17 | 18 | public static boolean isMethodName(String name){ 19 | Pattern methodNamePattern = Pattern.compile(methodPattern); 20 | return methodNamePattern.matcher(name).matches(); 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /src/test/java/dev/navids/android_instrumentor/InstrumentorTest.java: -------------------------------------------------------------------------------- 1 | package dev.navids.android_instrumentor; 2 | 3 | import org.junit.jupiter.api.AfterEach; 4 | import org.junit.jupiter.api.BeforeEach; 5 | import org.junit.jupiter.api.Test; 6 | import org.xmlpull.v1.XmlPullParserException; 7 | import soot.*; 8 | import soot.jimple.JimpleBody; 9 | import soot.jimple.infoflow.android.manifest.ProcessManifest; 10 | 11 | import java.io.File; 12 | import java.io.IOException; 13 | import java.util.ArrayList; 14 | import java.util.Arrays; 15 | import java.util.List; 16 | 17 | import static org.junit.jupiter.api.Assertions.*; 18 | 19 | class InstrumentorTest { 20 | 21 | private String output; 22 | private String apk; 23 | private String androidJAR; 24 | private String packageName; 25 | private String tag; 26 | 27 | @BeforeEach 28 | void setUp() throws IOException, XmlPullParserException { 29 | output = System.getProperty("java.io.tmpdir"); 30 | apk = "example/calc.apk"; 31 | androidJAR = System.getProperty("user.home") + "/Library/Android/sdk/platforms"; 32 | if(System.getenv().containsKey("ANDROID_HOME")) 33 | androidJAR = System.getenv("ANDROID_HOME"); 34 | System.out.println("========= Android Home: " + androidJAR); 35 | final ProcessManifest processManifest = new ProcessManifest(apk); 36 | tag = InstrumentationBodyTransformer.INSTRUMENTATION_TAG; 37 | packageName = processManifest.getPackageName(); 38 | assertEquals(packageName, "com.numix.calculator"); 39 | 40 | Instrumentor.initializeSoot(output, apk, androidJAR); 41 | assertNotNull(Scene.v().grabMethod("")); 42 | } 43 | 44 | @Test 45 | void instrument(){ 46 | PackManager.v().getPack("jtp").add(new Transform("jtp.begin", new BeginningLoggerBodyTransformer(packageName, null, tag))); 47 | PackManager.v().getPack("jtp").add(new Transform("jtp.being", new EndingLoggerBodyTransformer(packageName, null, tag))); 48 | PackManager.v().runPacks(); 49 | SootMethod method = Scene.v().grabMethod(""); 50 | JimpleBody body = (JimpleBody) method.getActiveBody(); 51 | String logStr = body.getFirstNonIdentityStmt().toString(); 52 | assertEquals(logStr, "staticinvoke (\"ANDROID_SOOT_INSTRUMENT\", \"Beginning of method \")"); 53 | } 54 | 55 | @Test 56 | void instrumentWithFilter(){ 57 | PackManager.v().getPack("jtp").add(new Transform("jtp.begin", new BeginningLoggerBodyTransformer(packageName, Arrays.asList("onCreate"), tag))); 58 | PackManager.v().getPack("jtp").add(new Transform("jtp.being", new EndingLoggerBodyTransformer(packageName, Arrays.asList("onCreate"), tag))); 59 | PackManager.v().runPacks(); 60 | SootMethod method = Scene.v().grabMethod(""); 61 | JimpleBody body = (JimpleBody) method.getActiveBody(); 62 | String logStr = body.getFirstNonIdentityStmt().toString(); 63 | assertNotEquals(logStr, "staticinvoke (\"ANDROID_SOOT_INSTRUMENT\", \"Beginning of method \")"); 64 | } 65 | 66 | @AfterEach 67 | void tearUp(){ 68 | G.reset(); 69 | assertEquals(Scene.v().getClasses().size(), 0); 70 | } 71 | } -------------------------------------------------------------------------------- /src/test/java/dev/navids/android_instrumentor/UtilTest.java: -------------------------------------------------------------------------------- 1 | package dev.navids.android_instrumentor; 2 | 3 | import org.junit.jupiter.api.Test; 4 | 5 | import static org.junit.jupiter.api.Assertions.*; 6 | 7 | class UtilTest { 8 | 9 | @Test 10 | void isMethodSignature() { 11 | assertTrue(Util.isMethodSignature("")); 12 | assertTrue(Util.isMethodSignature("")); 13 | assertTrue(Util.isMethodSignature("")); 14 | assertFalse(Util.isMethodSignature("< a: dev.navids.android_instrumentor.Test test(dev.navids.android_instrumentor.Test)>")); 15 | assertFalse(Util.isMethodSignature("< : void test(int)>")); 16 | assertFalse(Util.isMethodSignature("")); 17 | } 18 | 19 | @Test 20 | void isMethodSubsignature() { 21 | assertTrue(Util.isMethodSubsignature("int test()")); 22 | assertTrue(Util.isMethodSubsignature("int test(int)")); 23 | assertTrue(Util.isMethodSubsignature("void test(int)")); 24 | assertTrue(Util.isMethodSubsignature("dev.navids.android_instrumentor.Test test(dev.navids.android_instrumentor.Test)")); 25 | assertFalse(Util.isMethodSubsignature("dev.2navids.android_instrumentor.Test test(dev.navids.android_instrumentor.Test)")); 26 | assertFalse(Util.isMethodSubsignature("void test(int")); 27 | assertFalse(Util.isMethodSubsignature("void test")); 28 | 29 | } 30 | 31 | @Test 32 | void isMethodName() { 33 | assertTrue(Util.isMethodName("test")); 34 | assertTrue(Util.isMethodName("test_23s")); 35 | assertFalse(Util.isMethodName("test_23s.2")); 36 | assertFalse(Util.isMethodName("2test")); 37 | assertFalse(Util.isMethodName("test()")); 38 | } 39 | } --------------------------------------------------------------------------------