diff --git a/.gitignore b/.gitignore index 7b7d0aa31..2865ee369 100644 --- a/.gitignore +++ b/.gitignore @@ -1,9 +1,18 @@ -out/ -obj/ -libs/ +/out +/obj +/libs *.zip *.jks *.apk # Built binaries ziptools/zipadjust + +# Android Studio / Gradle +*.iml +.gradle +/local.properties +/.idea +/build +/captures +.externalNativeBuild diff --git a/.gitmodules b/.gitmodules index 1c63eaa4c..cdc9d7a6e 100644 --- a/.gitmodules +++ b/.gitmodules @@ -1,27 +1,27 @@ [submodule "jni/selinux"] - path = jni/external/selinux + path = core/jni/external/selinux url = https://github.com/topjohnwu/selinux.git [submodule "jni/su"] - path = jni/su + path = core/jni/su url = https://github.com/topjohnwu/MagiskSU.git [submodule "jni/magiskpolicy"] - path = jni/magiskpolicy + path = core/jni/magiskpolicy url = https://github.com/topjohnwu/magiskpolicy.git [submodule "MagiskManager"] - path = java + path = app url = https://github.com/topjohnwu/MagiskManager.git [submodule "jni/busybox"] - path = jni/external/busybox + path = core/jni/external/busybox url = https://github.com/topjohnwu/ndk-busybox.git [submodule "jni/external/dtc"] - path = jni/external/dtc + path = core/jni/external/dtc url = https://github.com/dgibson/dtc [submodule "jni/external/lz4"] - path = jni/external/lz4 + path = core/jni/external/lz4 url = https://github.com/lz4/lz4.git [submodule "jni/external/bzip2"] - path = jni/external/bzip2 + path = core/jni/external/bzip2 url = https://github.com/nemequ/bzip2.git [submodule "jni/external/xz"] - path = jni/external/xz + path = core/jni/external/xz url = https://github.com/xz-mirror/xz.git diff --git a/app b/app new file mode 160000 index 000000000..863b13a69 --- /dev/null +++ b/app @@ -0,0 +1 @@ +Subproject commit 863b13a6946c851a4df1043acb8c5003a1b0f3c0 diff --git a/build.gradle b/build.gradle new file mode 100644 index 000000000..e6b32bc78 --- /dev/null +++ b/build.gradle @@ -0,0 +1,27 @@ +// Top-level build file where you can add configuration options common to all sub-projects/modules. + +buildscript { + + repositories { + google() + jcenter() + } + dependencies { + classpath 'com.android.tools.build:gradle:3.0.1' + + + // NOTE: Do not place your application dependencies here; they belong + // in the individual module build.gradle files + } +} + +allprojects { + repositories { + google() + jcenter() + } +} + +task clean(type: Delete) { + delete rootProject.buildDir +} diff --git a/build.py b/build.py index cc82e1bd1..b3027eecc 100755 --- a/build.py +++ b/build.py @@ -43,6 +43,11 @@ import lzma import base64 import tempfile +if 'ANDROID_NDK' in os.environ: + ndk_build = os.path.join(os.environ['ANDROID_NDK'], 'ndk-build') +else: + ndk_build = os.path.join(os.environ['ANDROID_HOME'], 'ndk-bundle', 'ndk-build') + def mv(source, target): print('mv: {} -> {}'.format(source, target)) shutil.move(source, target) @@ -84,18 +89,13 @@ def build_binary(args): header('* Building Magisk binaries') # Force update Android.mk timestamp to trigger recompilation - os.utime(os.path.join('jni', 'Android.mk')) + os.utime(os.path.join('core', 'jni', 'Android.mk')) debug_flag = '' if args.release else '-DMAGISK_DEBUG' cflag = 'MAGISK_FLAGS=\"-DMAGISK_VERSION=\\\"{}\\\" -DMAGISK_VER_CODE={} {}\"'.format(args.versionString, args.versionCode, debug_flag) - if 'ANDROID_NDK' in os.environ: - ndk_build = os.path.join(os.environ['ANDROID_NDK'], 'ndk-build') - else: - ndk_build = os.path.join(os.environ['ANDROID_HOME'], 'ndk-bundle', 'ndk-build') - # Prebuild - proc = subprocess.run('{} PRECOMPILE=true {} -j{}'.format(ndk_build, cflag, multiprocessing.cpu_count()), shell=True) + proc = subprocess.run('{} -C core PRECOMPILE=true {} -j{}'.format(ndk_build, cflag, multiprocessing.cpu_count()), shell=True) if proc.returncode != 0: error('Build Magisk binary failed!') @@ -104,7 +104,7 @@ def build_binary(args): mkdir_p(os.path.join('out', arch)) with open(os.path.join('out', arch, 'dump.h'), 'w') as dump: dump.write('#include "stdlib.h"\n') - mv(os.path.join('libs', arch, 'magisk'), os.path.join('out', arch, 'magisk')) + mv(os.path.join('core', 'libs', arch, 'magisk'), os.path.join('out', arch, 'magisk')) with open(os.path.join('out', arch, 'magisk'), 'rb') as bin: dump.write('const uint8_t magisk_dump[] = "') dump.write(''.join("\\x{:02X}".format(c) for c in lzma.compress(bin.read(), preset=9))) @@ -112,7 +112,7 @@ def build_binary(args): print('') - proc = subprocess.run('{} {} -j{}'.format(ndk_build, cflag, multiprocessing.cpu_count()), shell=True) + proc = subprocess.run('{} -C core {} -j{}'.format(ndk_build, cflag, multiprocessing.cpu_count()), shell=True) if proc.returncode != 0: error('Build Magisk binary failed!') @@ -120,7 +120,7 @@ def build_binary(args): for arch in ['arm64-v8a', 'armeabi-v7a', 'x86', 'x86_64']: for binary in ['magiskinit', 'magiskboot', 'b64xz', 'busybox']: try: - mv(os.path.join('libs', arch, binary), os.path.join('out', arch, binary)) + mv(os.path.join('core', 'libs', arch, binary), os.path.join('out', arch, binary)) except: pass @@ -129,18 +129,16 @@ def build_apk(args): for key in ['public.certificate.x509.pem', 'private.key.pk8']: source = os.path.join('ziptools', key) - target = os.path.join('java', 'app', 'src', 'main', 'assets', key) + target = os.path.join('app', 'src', 'main', 'assets', key) cp(source, target) for script in ['magisk_uninstaller.sh', 'util_functions.sh']: source = os.path.join('scripts', script) - target = os.path.join('java', 'app', 'src', 'main', 'assets', script) + target = os.path.join('app', 'src', 'main', 'assets', script) cp(source, target) - os.chdir('java') - if args.release: - if not os.path.exists(os.path.join('..', 'release_signature.jks')): + if not os.path.exists('release_signature.jks'): error('Please generate a java keystore and place it in \'release_signature.jks\'') proc = subprocess.run('{} app:assembleRelease'.format(os.path.join('.', 'gradlew')), shell=True) @@ -173,17 +171,15 @@ def build_apk(args): error('Cannot find apksigner.jar in Android SDK build tools') proc = subprocess.run('java -jar {} sign --ks {} --out {} {}'.format( - apksigner, - os.path.join('..', 'release_signature.jks'), - release, aligned), shell=True) + apksigner, 'release_signature.jks', release, aligned), shell=True) if proc.returncode != 0: error('Release sign Magisk Manager failed!') rm(unsigned) rm(aligned) - mkdir(os.path.join('..', 'out')) - target = os.path.join('..', 'out', 'app-release.apk') + mkdir('out') + target = os.path.join('out', 'app-release.apk') print('') mv(release, target) else: @@ -192,25 +188,20 @@ def build_apk(args): error('Build Magisk Manager failed!') source = os.path.join('app', 'build', 'outputs', 'apk', 'debug', 'app-debug.apk') - mkdir(os.path.join('..', 'out')) - target = os.path.join('..', 'out', 'app-debug.apk') + mkdir('out') + target = os.path.join('out', 'app-debug.apk') print('') mv(source, target) - # Return to upper directory - os.chdir('..') - def build_snet(args): - os.chdir('java') proc = subprocess.run('{} snet:assembleRelease'.format(os.path.join('.', 'gradlew')), shell=True) if proc.returncode != 0: error('Build snet extention failed!') source = os.path.join('snet', 'build', 'outputs', 'apk', 'release', 'snet-release-unsigned.apk') - mkdir(os.path.join('..', 'out')) - target = os.path.join('..', 'out', 'snet.apk') + mkdir('out') + target = os.path.join('out', 'snet.apk') print('') mv(source, target) - os.chdir('..') def gen_update_binary(): update_bin = [] @@ -342,8 +333,8 @@ def zip_uninstaller(args): sign_adjust_zip(unsigned, output) def sign_adjust_zip(unsigned, output): - signer_name = 'zipsigner-1.0.jar' - jarsigner = os.path.join('java', 'crypto', 'build', 'libs', signer_name) + signer_name = 'zipsigner-1.1.jar' + jarsigner = os.path.join('crypto', 'build', 'libs', signer_name) if os.name != 'nt' and not os.path.exists(os.path.join('ziptools', 'zipadjust')): header('* Building zipadjust') @@ -353,11 +344,9 @@ def sign_adjust_zip(unsigned, output): error('Build zipadjust failed!') if not os.path.exists(jarsigner): header('* Building ' + signer_name) - os.chdir('java') proc = subprocess.run('{} crypto:shadowJar'.format(os.path.join('.', 'gradlew')), shell=True) if proc.returncode != 0: error('Build {} failed!'.format(signer_name)) - os.chdir('..') header('* Signing / Adjusting Zip') @@ -396,15 +385,13 @@ def cleanup(args): if 'binary' in args.target: header('* Cleaning binaries') - subprocess.run(os.path.join(os.environ['ANDROID_HOME'], 'ndk-bundle', 'ndk-build') + ' clean', shell=True) + subprocess.run(ndk_build + ' -C core COMPILEALL=true clean', shell=True) for arch in ['arm64-v8a', 'armeabi-v7a', 'x86', 'x86_64']: shutil.rmtree(os.path.join('out', arch), ignore_errors=True) if 'java' in args.target: header('* Cleaning java') - os.chdir('java') subprocess.run('{} clean'.format(os.path.join('.', 'gradlew')), shell=True) - os.chdir('..') for f in os.listdir('out'): if '.apk' in f: rm(os.path.join('out', f)) diff --git a/core/.gitignore b/core/.gitignore new file mode 100644 index 000000000..796b96d1c --- /dev/null +++ b/core/.gitignore @@ -0,0 +1 @@ +/build diff --git a/core/build.gradle b/core/build.gradle new file mode 100644 index 000000000..6fb33987b --- /dev/null +++ b/core/build.gradle @@ -0,0 +1,20 @@ +apply plugin: 'com.android.library' + +android { + compileSdkVersion 27 + + externalNativeBuild { + ndkBuild { + path 'jni/Android.mk' + } + } + + defaultConfig { + externalNativeBuild { + ndkBuild { + // Passes an optional argument to ndk-build. + arguments "COMPILEALL=true" + } + } + } +} diff --git a/jni/Android.mk b/core/jni/Android.mk similarity index 96% rename from jni/Android.mk rename to core/jni/Android.mk index 8263025d7..8f5d728cd 100644 --- a/jni/Android.mk +++ b/core/jni/Android.mk @@ -14,7 +14,7 @@ LIBFDT := $(EXT_PATH)/dtc/libfdt # Binaries ######################## -ifdef PRECOMPILE +ifneq "$(or $(PRECOMPILE), $(COMPILEALL))" "" # magisk main binary include $(CLEAR_VARS) @@ -54,8 +54,9 @@ LOCAL_CFLAGS := -DIS_DAEMON -DSELINUX LOCAL_LDLIBS := -llog include $(BUILD_EXECUTABLE) -# precompile -else +endif + +ifndef PRECOMPILE # magiskinit include $(CLEAR_VARS) @@ -64,7 +65,7 @@ LOCAL_STATIC_LIBRARIES := libsepol liblzma LOCAL_C_INCLUDES := \ jni/include \ jni/magiskpolicy \ - out/$(TARGET_ARCH_ABI) \ + ../out/$(TARGET_ARCH_ABI) \ $(LIBSEPOL) \ $(LIBLZMA) diff --git a/jni/Application.mk b/core/jni/Application.mk similarity index 100% rename from jni/Application.mk rename to core/jni/Application.mk diff --git a/jni/b64xz.c b/core/jni/b64xz.c similarity index 100% rename from jni/b64xz.c rename to core/jni/b64xz.c diff --git a/jni/core/bootstages.c b/core/jni/core/bootstages.c similarity index 100% rename from jni/core/bootstages.c rename to core/jni/core/bootstages.c diff --git a/jni/core/daemon.c b/core/jni/core/daemon.c similarity index 100% rename from jni/core/daemon.c rename to core/jni/core/daemon.c diff --git a/jni/core/log_monitor.c b/core/jni/core/log_monitor.c similarity index 100% rename from jni/core/log_monitor.c rename to core/jni/core/log_monitor.c diff --git a/jni/core/magisk.c b/core/jni/core/magisk.c similarity index 100% rename from jni/core/magisk.c rename to core/jni/core/magisk.c diff --git a/jni/core/magiskinit.c b/core/jni/core/magiskinit.c similarity index 100% rename from jni/core/magiskinit.c rename to core/jni/core/magiskinit.c diff --git a/jni/core/socket.c b/core/jni/core/socket.c similarity index 100% rename from jni/core/socket.c rename to core/jni/core/socket.c diff --git a/jni/external/Android.mk b/core/jni/external/Android.mk similarity index 100% rename from jni/external/Android.mk rename to core/jni/external/Android.mk diff --git a/jni/external/busybox b/core/jni/external/busybox similarity index 100% rename from jni/external/busybox rename to core/jni/external/busybox diff --git a/jni/external/bzip2 b/core/jni/external/bzip2 similarity index 100% rename from jni/external/bzip2 rename to core/jni/external/bzip2 diff --git a/jni/external/dtc b/core/jni/external/dtc similarity index 100% rename from jni/external/dtc rename to core/jni/external/dtc diff --git a/jni/external/include/sha1.h b/core/jni/external/include/sha1.h similarity index 100% rename from jni/external/include/sha1.h rename to core/jni/external/include/sha1.h diff --git a/jni/external/include/sqlite3.h b/core/jni/external/include/sqlite3.h similarity index 100% rename from jni/external/include/sqlite3.h rename to core/jni/external/include/sqlite3.h diff --git a/jni/external/include/xz_config/config.h b/core/jni/external/include/xz_config/config.h similarity index 100% rename from jni/external/include/xz_config/config.h rename to core/jni/external/include/xz_config/config.h diff --git a/jni/external/lz4 b/core/jni/external/lz4 similarity index 100% rename from jni/external/lz4 rename to core/jni/external/lz4 diff --git a/jni/external/selinux b/core/jni/external/selinux similarity index 100% rename from jni/external/selinux rename to core/jni/external/selinux diff --git a/jni/external/sha1/sha1.c b/core/jni/external/sha1/sha1.c similarity index 100% rename from jni/external/sha1/sha1.c rename to core/jni/external/sha1/sha1.c diff --git a/jni/external/stubs/selinux_stub.c b/core/jni/external/stubs/selinux_stub.c similarity index 100% rename from jni/external/stubs/selinux_stub.c rename to core/jni/external/stubs/selinux_stub.c diff --git a/jni/external/stubs/sqlite3_stub.c b/core/jni/external/stubs/sqlite3_stub.c similarity index 100% rename from jni/external/stubs/sqlite3_stub.c rename to core/jni/external/stubs/sqlite3_stub.c diff --git a/jni/external/xz b/core/jni/external/xz similarity index 100% rename from jni/external/xz rename to core/jni/external/xz diff --git a/jni/include/cpio.h b/core/jni/include/cpio.h similarity index 100% rename from jni/include/cpio.h rename to core/jni/include/cpio.h diff --git a/jni/include/daemon.h b/core/jni/include/daemon.h similarity index 100% rename from jni/include/daemon.h rename to core/jni/include/daemon.h diff --git a/jni/include/list.h b/core/jni/include/list.h similarity index 100% rename from jni/include/list.h rename to core/jni/include/list.h diff --git a/jni/include/logging.h b/core/jni/include/logging.h similarity index 100% rename from jni/include/logging.h rename to core/jni/include/logging.h diff --git a/jni/include/magisk.h b/core/jni/include/magisk.h similarity index 100% rename from jni/include/magisk.h rename to core/jni/include/magisk.h diff --git a/jni/include/magiskrc.h b/core/jni/include/magiskrc.h similarity index 100% rename from jni/include/magiskrc.h rename to core/jni/include/magiskrc.h diff --git a/jni/include/resetprop.h b/core/jni/include/resetprop.h similarity index 100% rename from jni/include/resetprop.h rename to core/jni/include/resetprop.h diff --git a/jni/include/utils.h b/core/jni/include/utils.h similarity index 100% rename from jni/include/utils.h rename to core/jni/include/utils.h diff --git a/jni/include/vector.h b/core/jni/include/vector.h similarity index 100% rename from jni/include/vector.h rename to core/jni/include/vector.h diff --git a/jni/magiskboot/bootimg.c b/core/jni/magiskboot/bootimg.c similarity index 100% rename from jni/magiskboot/bootimg.c rename to core/jni/magiskboot/bootimg.c diff --git a/jni/magiskboot/bootimg.h b/core/jni/magiskboot/bootimg.h similarity index 100% rename from jni/magiskboot/bootimg.h rename to core/jni/magiskboot/bootimg.h diff --git a/jni/magiskboot/compress.c b/core/jni/magiskboot/compress.c similarity index 100% rename from jni/magiskboot/compress.c rename to core/jni/magiskboot/compress.c diff --git a/jni/magiskboot/dtb.c b/core/jni/magiskboot/dtb.c similarity index 100% rename from jni/magiskboot/dtb.c rename to core/jni/magiskboot/dtb.c diff --git a/jni/magiskboot/hexpatch.c b/core/jni/magiskboot/hexpatch.c similarity index 100% rename from jni/magiskboot/hexpatch.c rename to core/jni/magiskboot/hexpatch.c diff --git a/jni/magiskboot/magiskboot.h b/core/jni/magiskboot/magiskboot.h similarity index 100% rename from jni/magiskboot/magiskboot.h rename to core/jni/magiskboot/magiskboot.h diff --git a/jni/magiskboot/main.c b/core/jni/magiskboot/main.c similarity index 100% rename from jni/magiskboot/main.c rename to core/jni/magiskboot/main.c diff --git a/jni/magiskboot/ramdisk.c b/core/jni/magiskboot/ramdisk.c similarity index 100% rename from jni/magiskboot/ramdisk.c rename to core/jni/magiskboot/ramdisk.c diff --git a/jni/magiskboot/types.c b/core/jni/magiskboot/types.c similarity index 100% rename from jni/magiskboot/types.c rename to core/jni/magiskboot/types.c diff --git a/jni/magiskboot/types.h b/core/jni/magiskboot/types.h similarity index 100% rename from jni/magiskboot/types.h rename to core/jni/magiskboot/types.h diff --git a/jni/magiskhide/hide_utils.c b/core/jni/magiskhide/hide_utils.c similarity index 100% rename from jni/magiskhide/hide_utils.c rename to core/jni/magiskhide/hide_utils.c diff --git a/jni/magiskhide/magiskhide.c b/core/jni/magiskhide/magiskhide.c similarity index 100% rename from jni/magiskhide/magiskhide.c rename to core/jni/magiskhide/magiskhide.c diff --git a/jni/magiskhide/magiskhide.h b/core/jni/magiskhide/magiskhide.h similarity index 100% rename from jni/magiskhide/magiskhide.h rename to core/jni/magiskhide/magiskhide.h diff --git a/jni/magiskhide/proc_monitor.c b/core/jni/magiskhide/proc_monitor.c similarity index 100% rename from jni/magiskhide/proc_monitor.c rename to core/jni/magiskhide/proc_monitor.c diff --git a/jni/magiskpolicy b/core/jni/magiskpolicy similarity index 100% rename from jni/magiskpolicy rename to core/jni/magiskpolicy diff --git a/jni/resetprop/ErrnoRestorer.h b/core/jni/resetprop/ErrnoRestorer.h similarity index 100% rename from jni/resetprop/ErrnoRestorer.h rename to core/jni/resetprop/ErrnoRestorer.h diff --git a/jni/resetprop/_system_properties.h b/core/jni/resetprop/_system_properties.h similarity index 100% rename from jni/resetprop/_system_properties.h rename to core/jni/resetprop/_system_properties.h diff --git a/jni/resetprop/bionic_futex.h b/core/jni/resetprop/bionic_futex.h similarity index 100% rename from jni/resetprop/bionic_futex.h rename to core/jni/resetprop/bionic_futex.h diff --git a/jni/resetprop/bionic_lock.h b/core/jni/resetprop/bionic_lock.h similarity index 100% rename from jni/resetprop/bionic_lock.h rename to core/jni/resetprop/bionic_lock.h diff --git a/jni/resetprop/bionic_macros.h b/core/jni/resetprop/bionic_macros.h similarity index 100% rename from jni/resetprop/bionic_macros.h rename to core/jni/resetprop/bionic_macros.h diff --git a/jni/resetprop/resetprop.cpp b/core/jni/resetprop/resetprop.cpp similarity index 100% rename from jni/resetprop/resetprop.cpp rename to core/jni/resetprop/resetprop.cpp diff --git a/jni/resetprop/system_properties.cpp b/core/jni/resetprop/system_properties.cpp similarity index 100% rename from jni/resetprop/system_properties.cpp rename to core/jni/resetprop/system_properties.cpp diff --git a/jni/resetprop/system_properties.h b/core/jni/resetprop/system_properties.h similarity index 100% rename from jni/resetprop/system_properties.h rename to core/jni/resetprop/system_properties.h diff --git a/jni/su b/core/jni/su similarity index 100% rename from jni/su rename to core/jni/su diff --git a/jni/utils/cpio.c b/core/jni/utils/cpio.c similarity index 100% rename from jni/utils/cpio.c rename to core/jni/utils/cpio.c diff --git a/jni/utils/file.c b/core/jni/utils/file.c similarity index 100% rename from jni/utils/file.c rename to core/jni/utils/file.c diff --git a/jni/utils/img.c b/core/jni/utils/img.c similarity index 100% rename from jni/utils/img.c rename to core/jni/utils/img.c diff --git a/jni/utils/list.c b/core/jni/utils/list.c similarity index 100% rename from jni/utils/list.c rename to core/jni/utils/list.c diff --git a/jni/utils/misc.c b/core/jni/utils/misc.c similarity index 100% rename from jni/utils/misc.c rename to core/jni/utils/misc.c diff --git a/jni/utils/vector.c b/core/jni/utils/vector.c similarity index 100% rename from jni/utils/vector.c rename to core/jni/utils/vector.c diff --git a/jni/utils/xwrap.c b/core/jni/utils/xwrap.c similarity index 100% rename from jni/utils/xwrap.c rename to core/jni/utils/xwrap.c diff --git a/core/src/main/AndroidManifest.xml b/core/src/main/AndroidManifest.xml new file mode 100644 index 000000000..1d9dded58 --- /dev/null +++ b/core/src/main/AndroidManifest.xml @@ -0,0 +1 @@ + diff --git a/crypto/.gitignore b/crypto/.gitignore new file mode 100644 index 000000000..796b96d1c --- /dev/null +++ b/crypto/.gitignore @@ -0,0 +1 @@ +/build diff --git a/crypto/build.gradle b/crypto/build.gradle new file mode 100644 index 000000000..edfb254cd --- /dev/null +++ b/crypto/build.gradle @@ -0,0 +1,38 @@ +apply plugin: 'java-library' + +apply plugin: 'com.github.johnrengelman.shadow' +apply plugin: 'java' + +sourceCompatibility = "1.8" +targetCompatibility = "1.8" + +jar { + manifest { + attributes 'Main-Class': 'com.topjohnwu.crypto.ZipSigner' + } +} + +shadowJar { + baseName = 'zipsigner' + classifier = null + version = 1.1 +} + +buildscript { + repositories { + jcenter() + } + dependencies { + classpath 'com.github.jengelman.gradle.plugins:shadow:2.0.1' + } +} + +repositories { + jcenter() +} + +dependencies { + implementation fileTree(include: ['*.jar'], dir: 'libs') + implementation 'org.bouncycastle:bcprov-jdk15on:1.58' + implementation 'org.bouncycastle:bcpkix-jdk15on:1.58' +} diff --git a/crypto/src/main/java/com/topjohnwu/crypto/ByteArrayStream.java b/crypto/src/main/java/com/topjohnwu/crypto/ByteArrayStream.java new file mode 100644 index 000000000..ef6c7bc6d --- /dev/null +++ b/crypto/src/main/java/com/topjohnwu/crypto/ByteArrayStream.java @@ -0,0 +1,34 @@ +package com.topjohnwu.crypto; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; + +public class ByteArrayStream extends ByteArrayOutputStream { + public byte[] getBuf() { + return buf; + } + public synchronized void readFrom(InputStream is) { + readFrom(is, Integer.MAX_VALUE); + } + public synchronized void readFrom(InputStream is, int len) { + int read; + byte buffer[] = new byte[4096]; + try { + while ((read = is.read(buffer, 0, len < buffer.length ? len : buffer.length)) > 0) { + write(buffer, 0, read); + len -= read; + } + } catch (IOException e) { + e.printStackTrace(); + } + } + public synchronized void writeTo(OutputStream out, int off, int len) throws IOException { + out.write(buf, off, len); + } + public ByteArrayInputStream getInputStream() { + return new ByteArrayInputStream(buf, 0, count); + } +} diff --git a/crypto/src/main/java/com/topjohnwu/crypto/CryptoUtils.java b/crypto/src/main/java/com/topjohnwu/crypto/CryptoUtils.java new file mode 100644 index 000000000..45bf1655c --- /dev/null +++ b/crypto/src/main/java/com/topjohnwu/crypto/CryptoUtils.java @@ -0,0 +1,136 @@ +package com.topjohnwu.crypto; + +import org.bouncycastle.asn1.ASN1InputStream; +import org.bouncycastle.asn1.ASN1ObjectIdentifier; +import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; +import org.bouncycastle.asn1.pkcs.PrivateKeyInfo; +import org.bouncycastle.asn1.x509.AlgorithmIdentifier; +import org.bouncycastle.asn1.x9.X9ObjectIdentifiers; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.security.GeneralSecurityException; +import java.security.Key; +import java.security.KeyFactory; +import java.security.PrivateKey; +import java.security.PublicKey; +import java.security.Signature; +import java.security.cert.CertificateFactory; +import java.security.cert.X509Certificate; +import java.security.spec.ECPrivateKeySpec; +import java.security.spec.ECPublicKeySpec; +import java.security.spec.InvalidKeySpecException; +import java.security.spec.PKCS8EncodedKeySpec; +import java.util.Arrays; +import java.util.HashMap; +import java.util.Map; + +class CryptoUtils { + + private static final Map ID_TO_ALG; + private static final Map ALG_TO_ID; + + static { + ID_TO_ALG = new HashMap<>(); + ALG_TO_ID = new HashMap<>(); + ID_TO_ALG.put(X9ObjectIdentifiers.ecdsa_with_SHA256.getId(), "SHA256withECDSA"); + ID_TO_ALG.put(X9ObjectIdentifiers.ecdsa_with_SHA384.getId(), "SHA384withECDSA"); + ID_TO_ALG.put(X9ObjectIdentifiers.ecdsa_with_SHA512.getId(), "SHA512withECDSA"); + ID_TO_ALG.put(PKCSObjectIdentifiers.sha1WithRSAEncryption.getId(), "SHA1withRSA"); + ID_TO_ALG.put(PKCSObjectIdentifiers.sha256WithRSAEncryption.getId(), "SHA256withRSA"); + ID_TO_ALG.put(PKCSObjectIdentifiers.sha512WithRSAEncryption.getId(), "SHA512withRSA"); + ALG_TO_ID.put("SHA256withECDSA", X9ObjectIdentifiers.ecdsa_with_SHA256.getId()); + ALG_TO_ID.put("SHA384withECDSA", X9ObjectIdentifiers.ecdsa_with_SHA384.getId()); + ALG_TO_ID.put("SHA512withECDSA", X9ObjectIdentifiers.ecdsa_with_SHA512.getId()); + ALG_TO_ID.put("SHA1withRSA", PKCSObjectIdentifiers.sha1WithRSAEncryption.getId()); + ALG_TO_ID.put("SHA256withRSA", PKCSObjectIdentifiers.sha256WithRSAEncryption.getId()); + ALG_TO_ID.put("SHA512withRSA", PKCSObjectIdentifiers.sha512WithRSAEncryption.getId()); + } + + private static String getSignatureAlgorithm(Key key) throws Exception { + if ("EC".equals(key.getAlgorithm())) { + int curveSize; + KeyFactory factory = KeyFactory.getInstance("EC"); + if (key instanceof PublicKey) { + ECPublicKeySpec spec = factory.getKeySpec(key, ECPublicKeySpec.class); + curveSize = spec.getParams().getCurve().getField().getFieldSize(); + } else if (key instanceof PrivateKey) { + ECPrivateKeySpec spec = factory.getKeySpec(key, ECPrivateKeySpec.class); + curveSize = spec.getParams().getCurve().getField().getFieldSize(); + } else { + throw new InvalidKeySpecException(); + } + if (curveSize <= 256) { + return "SHA256withECDSA"; + } else if (curveSize <= 384) { + return "SHA384withECDSA"; + } else { + return "SHA512withECDSA"; + } + } else if ("RSA".equals(key.getAlgorithm())) { + return "SHA256withRSA"; + } else { + throw new IllegalArgumentException("Unsupported key type " + key.getAlgorithm()); + } + } + + static AlgorithmIdentifier getSignatureAlgorithmIdentifier(Key key) throws Exception { + String id = ALG_TO_ID.get(getSignatureAlgorithm(key)); + if (id == null) { + throw new IllegalArgumentException("Unsupported key type " + key.getAlgorithm()); + } + return new AlgorithmIdentifier(new ASN1ObjectIdentifier(id)); + } + + static boolean verify(PublicKey key, byte[] input, byte[] signature, + AlgorithmIdentifier algId) throws Exception { + String algName = ID_TO_ALG.get(algId.getAlgorithm().getId()); + if (algName == null) { + throw new IllegalArgumentException("Unsupported algorithm " + algId.getAlgorithm()); + } + Signature verifier = Signature.getInstance(algName); + verifier.initVerify(key); + verifier.update(input); + return verifier.verify(signature); + } + + static byte[] sign(PrivateKey privateKey, byte[] input) throws Exception { + Signature signer = Signature.getInstance(getSignatureAlgorithm(privateKey)); + signer.initSign(privateKey); + signer.update(input); + return signer.sign(); + } + + static X509Certificate readPublicKey(InputStream input) + throws IOException, GeneralSecurityException { + try { + CertificateFactory cf = CertificateFactory.getInstance("X.509"); + return (X509Certificate) cf.generateCertificate(input); + } finally { + input.close(); + } + } + + /** Read a PKCS#8 format private key. */ + static PrivateKey readPrivateKey(InputStream input) + throws IOException, GeneralSecurityException { + try { + byte[] buffer = new byte[4096]; + int size = input.read(buffer); + byte[] bytes = Arrays.copyOf(buffer, size); + /* Check to see if this is in an EncryptedPrivateKeyInfo structure. */ + PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(bytes); + /* + * Now it's in a PKCS#8 PrivateKeyInfo structure. Read its Algorithm + * OID and use that to construct a KeyFactory. + */ + ASN1InputStream bIn = new ASN1InputStream(new ByteArrayInputStream(spec.getEncoded())); + PrivateKeyInfo pki = PrivateKeyInfo.getInstance(bIn.readObject()); + String algOid = pki.getPrivateKeyAlgorithm().getAlgorithm().getId(); + return KeyFactory.getInstance(algOid).generatePrivate(spec); + } finally { + input.close(); + } + } +} diff --git a/crypto/src/main/java/com/topjohnwu/crypto/JarMap.java b/crypto/src/main/java/com/topjohnwu/crypto/JarMap.java new file mode 100644 index 000000000..9db773949 --- /dev/null +++ b/crypto/src/main/java/com/topjohnwu/crypto/JarMap.java @@ -0,0 +1,122 @@ +package com.topjohnwu.crypto; + +import java.io.Closeable; +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.util.Collections; +import java.util.Enumeration; +import java.util.LinkedHashMap; +import java.util.jar.JarEntry; +import java.util.jar.JarFile; +import java.util.jar.JarInputStream; +import java.util.jar.Manifest; +import java.util.zip.ZipEntry; +import java.util.zip.ZipFile; + +/* +* A universal random access interface for both JarFile and JarInputStream +* +* In the case when JarInputStream is provided to constructor, the whole stream +* will be loaded into memory for random access purposes. +* On the other hand, when a JarFile is provided, it simply works as a wrapper. +* */ + +public class JarMap implements Closeable, AutoCloseable { + private JarFile jarFile; + private JarInputStream jis; + private boolean isInputStream = false; + private LinkedHashMap bufMap; + + public JarMap(File file) throws IOException { + this(file, true); + } + + public JarMap(File file, boolean verify) throws IOException { + this(file, verify, ZipFile.OPEN_READ); + } + + public JarMap(File file, boolean verify, int mode) throws IOException { + jarFile = new JarFile(file, verify, mode); + } + + public JarMap(String name) throws IOException { + this(new File(name)); + } + + public JarMap(String name, boolean verify) throws IOException { + this(new File(name), verify); + } + + public JarMap(InputStream is) throws IOException { + this(is, true); + } + + public JarMap(InputStream is, boolean verify) throws IOException { + isInputStream = true; + bufMap = new LinkedHashMap<>(); + jis = new JarInputStream(is, verify); + JarEntry entry; + while ((entry = jis.getNextJarEntry()) != null) { + bufMap.put(entry.getName(), new JarMapEntry(entry, jis)); + } + } + + public File getFile() { + return isInputStream ? null : new File(jarFile.getName()); + } + + public Manifest getManifest() throws IOException { + return isInputStream ? jis.getManifest() : jarFile.getManifest(); + } + + public InputStream getInputStream(ZipEntry ze) throws IOException { + return isInputStream ? ((JarMapEntry) bufMap.get(ze.getName())).data.getInputStream() : + jarFile.getInputStream(ze); + } + + public OutputStream getOutputStream(ZipEntry ze) { + if (!isInputStream) // Only support InputStream mode + return null; + ByteArrayStream bs = ((JarMapEntry) bufMap.get(ze.getName())).data; + bs.reset(); + return bs; + } + + public byte[] getRawData(ZipEntry ze) throws IOException { + if (isInputStream) { + return ((JarMapEntry) bufMap.get(ze.getName())).data.toByteArray(); + } else { + ByteArrayStream bytes = new ByteArrayStream(); + bytes.readFrom(jarFile.getInputStream(ze)); + return bytes.toByteArray(); + } + } + + public Enumeration entries() { + return isInputStream ? Collections.enumeration(bufMap.values()) : jarFile.entries(); + } + + public ZipEntry getEntry(String name) { + return getJarEntry(name); + } + + public JarEntry getJarEntry(String name) { + return isInputStream ? bufMap.get(name) : jarFile.getJarEntry(name); + } + + @Override + public void close() throws IOException { + (isInputStream ? jis : jarFile).close(); + } + + private static class JarMapEntry extends JarEntry { + ByteArrayStream data; + JarMapEntry(JarEntry je, InputStream is) { + super(je); + data = new ByteArrayStream(); + data.readFrom(is); + } + } +} diff --git a/crypto/src/main/java/com/topjohnwu/crypto/SignAPK.java b/crypto/src/main/java/com/topjohnwu/crypto/SignAPK.java new file mode 100644 index 000000000..96c2aca5a --- /dev/null +++ b/crypto/src/main/java/com/topjohnwu/crypto/SignAPK.java @@ -0,0 +1,502 @@ +package com.topjohnwu.crypto; + +import org.bouncycastle.asn1.ASN1InputStream; +import org.bouncycastle.asn1.ASN1ObjectIdentifier; +import org.bouncycastle.asn1.DEROutputStream; +import org.bouncycastle.asn1.cms.CMSObjectIdentifiers; +import org.bouncycastle.cert.jcajce.JcaCertStore; +import org.bouncycastle.cms.CMSException; +import org.bouncycastle.cms.CMSProcessableByteArray; +import org.bouncycastle.cms.CMSSignedData; +import org.bouncycastle.cms.CMSSignedDataGenerator; +import org.bouncycastle.cms.CMSTypedData; +import org.bouncycastle.cms.jcajce.JcaSignerInfoGeneratorBuilder; +import org.bouncycastle.jce.provider.BouncyCastleProvider; +import org.bouncycastle.operator.ContentSigner; +import org.bouncycastle.operator.OperatorCreationException; +import org.bouncycastle.operator.jcajce.JcaContentSignerBuilder; +import org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder; +import org.bouncycastle.util.encoders.Base64; + +import java.io.BufferedOutputStream; +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.FilterOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.io.PrintStream; +import java.io.RandomAccessFile; +import java.security.DigestOutputStream; +import java.security.GeneralSecurityException; +import java.security.MessageDigest; +import java.security.PrivateKey; +import java.security.Provider; +import java.security.Security; +import java.security.cert.CertificateEncodingException; +import java.security.cert.X509Certificate; +import java.util.ArrayList; +import java.util.Collections; +import java.util.Enumeration; +import java.util.Locale; +import java.util.Map; +import java.util.TreeMap; +import java.util.jar.Attributes; +import java.util.jar.JarEntry; +import java.util.jar.JarFile; +import java.util.jar.JarOutputStream; +import java.util.jar.Manifest; +import java.util.regex.Pattern; + +/* +* Modified from from AOSP(Marshmallow) SignAPK.java +* */ + +public class SignAPK { + + private static final String CERT_SF_NAME = "META-INF/CERT.SF"; + private static final String CERT_SIG_NAME = "META-INF/CERT.%s"; + + public static Provider sBouncyCastleProvider; + // bitmasks for which hash algorithms we need the manifest to include. + private static final int USE_SHA1 = 1; + private static final int USE_SHA256 = 2; + + static { + sBouncyCastleProvider = new BouncyCastleProvider(); + Security.insertProviderAt(sBouncyCastleProvider, 1); + } + + public static void signZip(InputStream publicIn, InputStream privateIn, + JarMap input, File output, boolean minSign) throws Exception { + int alignment = 4; + BufferedOutputStream outputFile; + int hashes = 0; + X509Certificate publicKey = CryptoUtils.readPublicKey(publicIn); + hashes |= getDigestAlgorithm(publicKey); + + // Set the ZIP file timestamp to the starting valid time + // of the 0th certificate plus one hour (to match what + // we've historically done). + long timestamp = publicKey.getNotBefore().getTime() + 3600L * 1000; + PrivateKey privateKey = CryptoUtils.readPrivateKey(privateIn); + + outputFile = new BufferedOutputStream(new FileOutputStream(output)); + if (minSign) { + signWholeFile(input.getFile(), publicKey, privateKey, outputFile); + } else { + JarOutputStream outputJar = new JarOutputStream(outputFile); + // For signing .apks, use the maximum compression to make + // them as small as possible (since they live forever on + // the system partition). For OTA packages, use the + // default compression level, which is much much faster + // and produces output that is only a tiny bit larger + // (~0.1% on full OTA packages I tested). + outputJar.setLevel(9); + Manifest manifest = addDigestsToManifest(input, hashes); + copyFiles(manifest, input, outputJar, timestamp, alignment); + signFile(manifest, input, publicKey, privateKey, outputJar); + outputJar.close(); + } + input.close(); + outputFile.close(); + } + + /** + * Return one of USE_SHA1 or USE_SHA256 according to the signature + * algorithm specified in the cert. + */ + private static int getDigestAlgorithm(X509Certificate cert) { + String sigAlg = cert.getSigAlgName().toUpperCase(Locale.US); + if ("SHA1WITHRSA".equals(sigAlg) || + "MD5WITHRSA".equals(sigAlg)) { // see "HISTORICAL NOTE" above. + return USE_SHA1; + } else if (sigAlg.startsWith("SHA256WITH")) { + return USE_SHA256; + } else { + throw new IllegalArgumentException("unsupported signature algorithm \"" + sigAlg + + "\" in cert [" + cert.getSubjectDN()); + } + } + /** Returns the expected signature algorithm for this key type. */ + private static String getSignatureAlgorithm(X509Certificate cert) { + String sigAlg = cert.getSigAlgName().toUpperCase(Locale.US); + String keyType = cert.getPublicKey().getAlgorithm().toUpperCase(Locale.US); + if ("RSA".equalsIgnoreCase(keyType)) { + if (getDigestAlgorithm(cert) == USE_SHA256) { + return "SHA256withRSA"; + } else { + return "SHA1withRSA"; + } + } else if ("EC".equalsIgnoreCase(keyType)) { + return "SHA256withECDSA"; + } else { + throw new IllegalArgumentException("unsupported key type: " + keyType); + } + } + // Files matching this pattern are not copied to the output. + private static Pattern stripPattern = + Pattern.compile("^(META-INF/((.*)[.](SF|RSA|DSA|EC)|com/android/otacert))|(" + + Pattern.quote(JarFile.MANIFEST_NAME) + ")$"); + + /** + * Add the hash(es) of every file to the manifest, creating it if + * necessary. + */ + private static Manifest addDigestsToManifest(JarMap jar, int hashes) + throws IOException, GeneralSecurityException { + Manifest input = jar.getManifest(); + Manifest output = new Manifest(); + Attributes main = output.getMainAttributes(); + if (input != null) { + main.putAll(input.getMainAttributes()); + } else { + main.putValue("Manifest-Version", "1.0"); + main.putValue("Created-By", "1.0 (Android SignApk)"); + } + MessageDigest md_sha1 = null; + MessageDigest md_sha256 = null; + if ((hashes & USE_SHA1) != 0) { + md_sha1 = MessageDigest.getInstance("SHA1"); + } + if ((hashes & USE_SHA256) != 0) { + md_sha256 = MessageDigest.getInstance("SHA256"); + } + byte[] buffer = new byte[4096]; + int num; + // We sort the input entries by name, and add them to the + // output manifest in sorted order. We expect that the output + // map will be deterministic. + TreeMap byName = new TreeMap(); + for (Enumeration e = jar.entries(); e.hasMoreElements(); ) { + JarEntry entry = e.nextElement(); + byName.put(entry.getName(), entry); + } + for (JarEntry entry: byName.values()) { + String name = entry.getName(); + if (!entry.isDirectory() && + (stripPattern == null || !stripPattern.matcher(name).matches())) { + InputStream data = jar.getInputStream(entry); + while ((num = data.read(buffer)) > 0) { + if (md_sha1 != null) md_sha1.update(buffer, 0, num); + if (md_sha256 != null) md_sha256.update(buffer, 0, num); + } + Attributes attr = null; + if (input != null) attr = input.getAttributes(name); + attr = attr != null ? new Attributes(attr) : new Attributes(); + if (md_sha1 != null) { + attr.putValue("SHA1-Digest", + new String(Base64.encode(md_sha1.digest()), "ASCII")); + } + if (md_sha256 != null) { + attr.putValue("SHA-256-Digest", + new String(Base64.encode(md_sha256.digest()), "ASCII")); + } + output.getEntries().put(name, attr); + } + } + return output; + } + + /** Write to another stream and track how many bytes have been + * written. + */ + private static class CountOutputStream extends FilterOutputStream { + private int mCount; + public CountOutputStream(OutputStream out) { + super(out); + mCount = 0; + } + @Override + public void write(int b) throws IOException { + super.write(b); + mCount++; + } + @Override + public void write(byte[] b, int off, int len) throws IOException { + super.write(b, off, len); + mCount += len; + } + public int size() { + return mCount; + } + } + /** Write a .SF file with a digest of the specified manifest. */ + private static void writeSignatureFile(Manifest manifest, OutputStream out, + int hash) + throws IOException, GeneralSecurityException { + Manifest sf = new Manifest(); + Attributes main = sf.getMainAttributes(); + main.putValue("Signature-Version", "1.0"); + main.putValue("Created-By", "1.0 (Android SignApk)"); + MessageDigest md = MessageDigest.getInstance( + hash == USE_SHA256 ? "SHA256" : "SHA1"); + PrintStream print = new PrintStream( + new DigestOutputStream(new ByteArrayOutputStream(), md), + true, "UTF-8"); + // Digest of the entire manifest + manifest.write(print); + print.flush(); + main.putValue(hash == USE_SHA256 ? "SHA-256-Digest-Manifest" : "SHA1-Digest-Manifest", + new String(Base64.encode(md.digest()), "ASCII")); + Map entries = manifest.getEntries(); + for (Map.Entry entry : entries.entrySet()) { + // Digest of the manifest stanza for this entry. + print.print("Name: " + entry.getKey() + "\r\n"); + for (Map.Entry att : entry.getValue().entrySet()) { + print.print(att.getKey() + ": " + att.getValue() + "\r\n"); + } + print.print("\r\n"); + print.flush(); + Attributes sfAttr = new Attributes(); + sfAttr.putValue(hash == USE_SHA256 ? "SHA-256-Digest" : "SHA1-Digest-Manifest", + new String(Base64.encode(md.digest()), "ASCII")); + sf.getEntries().put(entry.getKey(), sfAttr); + } + CountOutputStream cout = new CountOutputStream(out); + sf.write(cout); + // A bug in the java.util.jar implementation of Android platforms + // up to version 1.6 will cause a spurious IOException to be thrown + // if the length of the signature file is a multiple of 1024 bytes. + // As a workaround, add an extra CRLF in this case. + if ((cout.size() % 1024) == 0) { + cout.write('\r'); + cout.write('\n'); + } + } + /** Sign data and write the digital signature to 'out'. */ + private static void writeSignatureBlock( + CMSTypedData data, X509Certificate publicKey, PrivateKey privateKey, + OutputStream out) + throws IOException, + CertificateEncodingException, + OperatorCreationException, + CMSException { + ArrayList certList = new ArrayList<>(1); + certList.add(publicKey); + JcaCertStore certs = new JcaCertStore(certList); + CMSSignedDataGenerator gen = new CMSSignedDataGenerator(); + ContentSigner signer = new JcaContentSignerBuilder(getSignatureAlgorithm(publicKey)) + .setProvider(sBouncyCastleProvider) + .build(privateKey); + gen.addSignerInfoGenerator( + new JcaSignerInfoGeneratorBuilder( + new JcaDigestCalculatorProviderBuilder() + .setProvider(sBouncyCastleProvider) + .build()) + .setDirectSignature(true) + .build(signer, publicKey)); + gen.addCertificates(certs); + CMSSignedData sigData = gen.generate(data, false); + ASN1InputStream asn1 = new ASN1InputStream(sigData.getEncoded()); + DEROutputStream dos = new DEROutputStream(out); + dos.writeObject(asn1.readObject()); + } + /** + * Copy all the files in a manifest from input to output. We set + * the modification times in the output to a fixed time, so as to + * reduce variation in the output file and make incremental OTAs + * more efficient. + */ + private static void copyFiles(Manifest manifest, JarMap in, JarOutputStream out, + long timestamp, int alignment) throws IOException { + byte[] buffer = new byte[4096]; + int num; + Map entries = manifest.getEntries(); + ArrayList names = new ArrayList<>(entries.keySet()); + Collections.sort(names); + boolean firstEntry = true; + long offset = 0L; + // We do the copy in two passes -- first copying all the + // entries that are STORED, then copying all the entries that + // have any other compression flag (which in practice means + // DEFLATED). This groups all the stored entries together at + // the start of the file and makes it easier to do alignment + // on them (since only stored entries are aligned). + for (String name : names) { + JarEntry inEntry = in.getJarEntry(name); + JarEntry outEntry = null; + if (inEntry.getMethod() != JarEntry.STORED) continue; + // Preserve the STORED method of the input entry. + outEntry = new JarEntry(inEntry); + outEntry.setTime(timestamp); + // 'offset' is the offset into the file at which we expect + // the file data to begin. This is the value we need to + // make a multiple of 'alignement'. + offset += JarFile.LOCHDR + outEntry.getName().length(); + if (firstEntry) { + // The first entry in a jar file has an extra field of + // four bytes that you can't get rid of; any extra + // data you specify in the JarEntry is appended to + // these forced four bytes. This is JAR_MAGIC in + // JarOutputStream; the bytes are 0xfeca0000. + offset += 4; + firstEntry = false; + } + if (alignment > 0 && (offset % alignment != 0)) { + // Set the "extra data" of the entry to between 1 and + // alignment-1 bytes, to make the file data begin at + // an aligned offset. + int needed = alignment - (int)(offset % alignment); + outEntry.setExtra(new byte[needed]); + offset += needed; + } + out.putNextEntry(outEntry); + InputStream data = in.getInputStream(inEntry); + while ((num = data.read(buffer)) > 0) { + out.write(buffer, 0, num); + offset += num; + } + out.flush(); + } + // Copy all the non-STORED entries. We don't attempt to + // maintain the 'offset' variable past this point; we don't do + // alignment on these entries. + for (String name : names) { + JarEntry inEntry = in.getJarEntry(name); + JarEntry outEntry = null; + if (inEntry.getMethod() == JarEntry.STORED) continue; + // Create a new entry so that the compressed len is recomputed. + outEntry = new JarEntry(name); + outEntry.setTime(timestamp); + out.putNextEntry(outEntry); + InputStream data = in.getInputStream(inEntry); + while ((num = data.read(buffer)) > 0) { + out.write(buffer, 0, num); + } + out.flush(); + } + } + + // This class is to provide a file's content, but trimming out the last two bytes + // Used for signWholeFile + private static class CMSProcessableFile implements CMSTypedData { + + private ASN1ObjectIdentifier type; + private RandomAccessFile file; + + CMSProcessableFile(File file) throws FileNotFoundException { + this.file = new RandomAccessFile(file, "r"); + type = new ASN1ObjectIdentifier(CMSObjectIdentifiers.data.getId()); + } + + @Override + public ASN1ObjectIdentifier getContentType() { + return type; + } + + @Override + public void write(OutputStream out) throws IOException, CMSException { + file.seek(0); + int read; + byte buffer[] = new byte[4096]; + int len = (int) file.length() - 2; + while ((read = file.read(buffer, 0, len < buffer.length ? len : buffer.length)) > 0) { + out.write(buffer, 0, read); + len -= read; + } + } + + @Override + public Object getContent() { + return file; + } + + byte[] getTail() throws IOException { + byte tail[] = new byte[22]; + file.seek(file.length() - 22); + file.readFully(tail); + return tail; + } + } + + private static void signWholeFile(File input, X509Certificate publicKey, + PrivateKey privateKey, OutputStream outputStream) + throws Exception { + ByteArrayOutputStream temp = new ByteArrayOutputStream(); + // put a readable message and a null char at the start of the + // archive comment, so that tools that display the comment + // (hopefully) show something sensible. + // TODO: anything more useful we can put in this message? + byte[] message = "signed by SignApk".getBytes("UTF-8"); + temp.write(message); + temp.write(0); + + CMSProcessableFile cmsFile = new CMSProcessableFile(input); + writeSignatureBlock(cmsFile, publicKey, privateKey, temp); + + // For a zip with no archive comment, the + // end-of-central-directory record will be 22 bytes long, so + // we expect to find the EOCD marker 22 bytes from the end. + byte[] zipData = cmsFile.getTail(); + if (zipData[zipData.length-22] != 0x50 || + zipData[zipData.length-21] != 0x4b || + zipData[zipData.length-20] != 0x05 || + zipData[zipData.length-19] != 0x06) { + throw new IllegalArgumentException("zip data already has an archive comment"); + } + int total_size = temp.size() + 6; + if (total_size > 0xffff) { + throw new IllegalArgumentException("signature is too big for ZIP file comment"); + } + // signature starts this many bytes from the end of the file + int signature_start = total_size - message.length - 1; + temp.write(signature_start & 0xff); + temp.write((signature_start >> 8) & 0xff); + // Why the 0xff bytes? In a zip file with no archive comment, + // bytes [-6:-2] of the file are the little-endian offset from + // the start of the file to the central directory. So for the + // two high bytes to be 0xff 0xff, the archive would have to + // be nearly 4GB in size. So it's unlikely that a real + // commentless archive would have 0xffs here, and lets us tell + // an old signed archive from a new one. + temp.write(0xff); + temp.write(0xff); + temp.write(total_size & 0xff); + temp.write((total_size >> 8) & 0xff); + temp.flush(); + // Signature verification checks that the EOCD header is the + // last such sequence in the file (to avoid minzip finding a + // fake EOCD appended after the signature in its scan). The + // odds of producing this sequence by chance are very low, but + // let's catch it here if it does. + byte[] b = temp.toByteArray(); + for (int i = 0; i < b.length-3; ++i) { + if (b[i] == 0x50 && b[i+1] == 0x4b && b[i+2] == 0x05 && b[i+3] == 0x06) { + throw new IllegalArgumentException("found spurious EOCD header at " + i); + } + } + cmsFile.write(outputStream); + outputStream.write(total_size & 0xff); + outputStream.write((total_size >> 8) & 0xff); + temp.writeTo(outputStream); + } + private static void signFile(Manifest manifest, JarMap inputJar, + X509Certificate publicKey, PrivateKey privateKey, + JarOutputStream outputJar) + throws Exception { + // Assume the certificate is valid for at least an hour. + long timestamp = publicKey.getNotBefore().getTime() + 3600L * 1000; + // MANIFEST.MF + JarEntry je = new JarEntry(JarFile.MANIFEST_NAME); + je.setTime(timestamp); + outputJar.putNextEntry(je); + manifest.write(outputJar); + je = new JarEntry(CERT_SF_NAME); + je.setTime(timestamp); + outputJar.putNextEntry(je); + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + writeSignatureFile(manifest, baos, getDigestAlgorithm(publicKey)); + byte[] signedData = baos.toByteArray(); + outputJar.write(signedData); + // CERT.{EC,RSA} / CERT#.{EC,RSA} + final String keyType = publicKey.getPublicKey().getAlgorithm(); + je = new JarEntry(String.format(CERT_SIG_NAME, keyType)); + je.setTime(timestamp); + outputJar.putNextEntry(je); + writeSignatureBlock(new CMSProcessableByteArray(signedData), + publicKey, privateKey, outputJar); + } +} diff --git a/crypto/src/main/java/com/topjohnwu/crypto/SignBoot.java b/crypto/src/main/java/com/topjohnwu/crypto/SignBoot.java new file mode 100644 index 000000000..beb434274 --- /dev/null +++ b/crypto/src/main/java/com/topjohnwu/crypto/SignBoot.java @@ -0,0 +1,231 @@ +package com.topjohnwu.crypto; + +import org.bouncycastle.asn1.ASN1Encodable; +import org.bouncycastle.asn1.ASN1EncodableVector; +import org.bouncycastle.asn1.ASN1InputStream; +import org.bouncycastle.asn1.ASN1Integer; +import org.bouncycastle.asn1.ASN1Object; +import org.bouncycastle.asn1.ASN1ObjectIdentifier; +import org.bouncycastle.asn1.ASN1Primitive; +import org.bouncycastle.asn1.ASN1Sequence; +import org.bouncycastle.asn1.DEROctetString; +import org.bouncycastle.asn1.DERPrintableString; +import org.bouncycastle.asn1.DERSequence; +import org.bouncycastle.asn1.x509.AlgorithmIdentifier; +import org.bouncycastle.jce.provider.BouncyCastleProvider; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.nio.ByteBuffer; +import java.nio.ByteOrder; +import java.security.PrivateKey; +import java.security.PublicKey; +import java.security.Security; +import java.security.cert.CertificateEncodingException; +import java.security.cert.CertificateFactory; +import java.security.cert.X509Certificate; +import java.util.Arrays; + +public class SignBoot { + + static { + Security.addProvider(new BouncyCastleProvider()); + } + + public static boolean doSignature(String target, InputStream imgIn, OutputStream imgOut, + InputStream keyIn, InputStream certIn) { + try { + ByteArrayStream bas = new ByteArrayStream(); + bas.readFrom(imgIn); + byte[] image = bas.toByteArray(); + bas.close(); + int signableSize = getSignableImageSize(image); + if (signableSize < image.length) { + System.err.println("NOTE: truncating input from " + + image.length + " to " + signableSize + " bytes"); + image = Arrays.copyOf(image, signableSize); + } else if (signableSize > image.length) { + throw new IllegalArgumentException("Invalid image: too short, expected " + + signableSize + " bytes"); + } + BootSignature bootsig = new BootSignature(target, image.length); + X509Certificate cert = CryptoUtils.readPublicKey(certIn); + bootsig.setCertificate(cert); + PrivateKey key = CryptoUtils.readPrivateKey(keyIn); + bootsig.setSignature(bootsig.sign(image, key), + CryptoUtils.getSignatureAlgorithmIdentifier(key)); + byte[] encoded_bootsig = bootsig.getEncoded(); + imgOut.write(image); + imgOut.write(encoded_bootsig); + imgOut.flush(); + return true; + } catch (Exception e) { + e.printStackTrace(System.err); + return false; + } + } + + public static boolean verifySignature(InputStream imgIn, InputStream certPath) { + try { + ByteArrayStream bas = new ByteArrayStream(); + bas.readFrom(imgIn); + byte[] image = bas.toByteArray(); + bas.close(); + int signableSize = getSignableImageSize(image); + if (signableSize >= image.length) { + System.err.println("Invalid image: not signed"); + return false; + } + byte[] signature = Arrays.copyOfRange(image, signableSize, image.length); + BootSignature bootsig = new BootSignature(signature); + if (certPath != null) { + bootsig.setCertificate(CryptoUtils.readPublicKey(certPath)); + } + if (bootsig.verify(Arrays.copyOf(image, signableSize))) { + System.err.println("Signature is VALID"); + return true; + } else { + System.err.println("Signature is INVALID"); + } + } catch (Exception e) { + e.printStackTrace(System.err); + System.err.println("Invalid image: not signed"); + } + return false; + } + + public static int getSignableImageSize(byte[] data) throws Exception { + if (!Arrays.equals(Arrays.copyOfRange(data, 0, 8), + "ANDROID!".getBytes("US-ASCII"))) { + throw new IllegalArgumentException("Invalid image header: missing magic"); + } + ByteBuffer image = ByteBuffer.wrap(data); + image.order(ByteOrder.LITTLE_ENDIAN); + image.getLong(); // magic + int kernelSize = image.getInt(); + image.getInt(); // kernel_addr + int ramdskSize = image.getInt(); + image.getInt(); // ramdisk_addr + int secondSize = image.getInt(); + image.getLong(); // second_addr + tags_addr + int pageSize = image.getInt(); + int length = pageSize // include the page aligned image header + + ((kernelSize + pageSize - 1) / pageSize) * pageSize + + ((ramdskSize + pageSize - 1) / pageSize) * pageSize + + ((secondSize + pageSize - 1) / pageSize) * pageSize; + length = ((length + pageSize - 1) / pageSize) * pageSize; + if (length <= 0) { + throw new IllegalArgumentException("Invalid image header: invalid length"); + } + return length; + } + + static class BootSignature extends ASN1Object { + private ASN1Integer formatVersion; + private ASN1Encodable certificate; + private AlgorithmIdentifier algorithmIdentifier; + private DERPrintableString target; + private ASN1Integer length; + private DEROctetString signature; + private PublicKey publicKey; + private static final int FORMAT_VERSION = 1; + + /** + * Initializes the object for signing an image file + * @param target Target name, included in the signed data + * @param length Length of the image, included in the signed data + */ + public BootSignature(String target, int length) { + this.formatVersion = new ASN1Integer(FORMAT_VERSION); + this.target = new DERPrintableString(target); + this.length = new ASN1Integer(length); + } + + /** + * Initializes the object for verifying a signed image file + * @param signature Signature footer + */ + public BootSignature(byte[] signature) + throws Exception { + ASN1InputStream stream = new ASN1InputStream(signature); + ASN1Sequence sequence = (ASN1Sequence) stream.readObject(); + formatVersion = (ASN1Integer) sequence.getObjectAt(0); + if (formatVersion.getValue().intValue() != FORMAT_VERSION) { + throw new IllegalArgumentException("Unsupported format version"); + } + certificate = sequence.getObjectAt(1); + byte[] encoded = ((ASN1Object) certificate).getEncoded(); + ByteArrayInputStream bis = new ByteArrayInputStream(encoded); + CertificateFactory cf = CertificateFactory.getInstance("X.509"); + X509Certificate c = (X509Certificate) cf.generateCertificate(bis); + publicKey = c.getPublicKey(); + ASN1Sequence algId = (ASN1Sequence) sequence.getObjectAt(2); + algorithmIdentifier = new AlgorithmIdentifier( + (ASN1ObjectIdentifier) algId.getObjectAt(0)); + ASN1Sequence attrs = (ASN1Sequence) sequence.getObjectAt(3); + target = (DERPrintableString) attrs.getObjectAt(0); + length = (ASN1Integer) attrs.getObjectAt(1); + this.signature = (DEROctetString) sequence.getObjectAt(4); + } + + public ASN1Object getAuthenticatedAttributes() { + ASN1EncodableVector attrs = new ASN1EncodableVector(); + attrs.add(target); + attrs.add(length); + return new DERSequence(attrs); + } + + public byte[] getEncodedAuthenticatedAttributes() throws IOException { + return getAuthenticatedAttributes().getEncoded(); + } + + public void setSignature(byte[] sig, AlgorithmIdentifier algId) { + algorithmIdentifier = algId; + signature = new DEROctetString(sig); + } + + public void setCertificate(X509Certificate cert) + throws Exception, IOException, CertificateEncodingException { + ASN1InputStream s = new ASN1InputStream(cert.getEncoded()); + certificate = s.readObject(); + publicKey = cert.getPublicKey(); + } + + public byte[] generateSignableImage(byte[] image) throws IOException { + byte[] attrs = getEncodedAuthenticatedAttributes(); + byte[] signable = Arrays.copyOf(image, image.length + attrs.length); + for (int i=0; i < attrs.length; i++) { + signable[i+image.length] = attrs[i]; + } + return signable; + } + + public byte[] sign(byte[] image, PrivateKey key) throws Exception { + byte[] signable = generateSignableImage(image); + return CryptoUtils.sign(key, signable); + } + + public boolean verify(byte[] image) throws Exception { + if (length.getValue().intValue() != image.length) { + throw new IllegalArgumentException("Invalid image length"); + } + byte[] signable = generateSignableImage(image); + return CryptoUtils.verify(publicKey, signable, signature.getOctets(), + algorithmIdentifier); + } + + @Override + public ASN1Primitive toASN1Primitive() { + ASN1EncodableVector v = new ASN1EncodableVector(); + v.add(formatVersion); + v.add(certificate); + v.add(algorithmIdentifier); + v.add(getAuthenticatedAttributes()); + v.add(signature); + return new DERSequence(v); + } + + } +} diff --git a/crypto/src/main/java/com/topjohnwu/crypto/ZipSigner.java b/crypto/src/main/java/com/topjohnwu/crypto/ZipSigner.java new file mode 100644 index 000000000..6b4599dbf --- /dev/null +++ b/crypto/src/main/java/com/topjohnwu/crypto/ZipSigner.java @@ -0,0 +1,42 @@ +package com.topjohnwu.crypto; + +import org.bouncycastle.jce.provider.BouncyCastleProvider; + +import java.io.File; +import java.io.FileInputStream; +import java.io.InputStream; +import java.security.Security; + +public class ZipSigner { + public static void main(String[] args) { + boolean minSign = false; + int argStart = 0; + + if (args.length < 4) { + System.err.println("Usage: zipsigner [-m] publickey.x509[.pem] privatekey.pk8 input.jar output.jar"); + System.exit(2); + } + + if (args[0].equals("-m")) { + minSign = true; + argStart = 1; + } + + SignAPK.sBouncyCastleProvider = new BouncyCastleProvider(); + Security.insertProviderAt(SignAPK.sBouncyCastleProvider, 1); + + File pubKey = new File(args[argStart]); + File privKey = new File(args[argStart + 1]); + File input = new File(args[argStart + 2]); + File output = new File(args[argStart + 3]); + + try (InputStream pub = new FileInputStream(pubKey); + InputStream priv = new FileInputStream(privKey); + JarMap jar = new JarMap(input, false)) { + SignAPK.signZip(pub, priv, jar, output, minSign); + } catch (Exception e) { + e.printStackTrace(); + System.exit(1); + } + } +} diff --git a/gradle.properties b/gradle.properties new file mode 100644 index 000000000..d13e92712 --- /dev/null +++ b/gradle.properties @@ -0,0 +1,22 @@ +# Project-wide Gradle settings. + +# IDE (e.g. Android Studio) users: +# Gradle settings configured through the IDE *will override* +# any settings specified in this file. + +# For more details on how to configure your build environment visit +# http://www.gradle.org/docs/current/userguide/build_environment.html + +# Specifies the JVM arguments used for the daemon process. +# The setting is particularly useful for tweaking memory settings. +# Default value: -Xmx10248m -XX:MaxPermSize=256m +org.gradle.jvmargs=-Xmx2560m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 + +# When configured, Gradle will run in incubating parallel mode. +# This option should only be used with decoupled projects. More details, visit +# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects +org.gradle.parallel=true + +# When set to true the Gradle daemon is used to run the build. For local developer builds this is our favorite property. +# The developer environment is optimized for speed and feedback so we nearly always run Gradle jobs with the daemon. +org.gradle.daemon=true diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 000000000..13372aef5 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 000000000..b4802acf3 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Mon Dec 04 11:24:34 CST 2017 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip diff --git a/gradlew b/gradlew new file mode 100755 index 000000000..9d82f7891 --- /dev/null +++ b/gradlew @@ -0,0 +1,160 @@ +#!/usr/bin/env bash + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS="" + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn ( ) { + echo "$*" +} + +die ( ) { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; +esac + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin, switch paths to Windows format before running java +if $cygwin ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + JAVACMD=`cygpath --unix "$JAVACMD"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=$((i+1)) + done + case $i in + (0) set -- ;; + (1) set -- "$args0" ;; + (2) set -- "$args0" "$args1" ;; + (3) set -- "$args0" "$args1" "$args2" ;; + (4) set -- "$args0" "$args1" "$args2" "$args3" ;; + (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules +function splitJvmOpts() { + JVM_OPTS=("$@") +} +eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS +JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" + +exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 000000000..8a0b282aa --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,90 @@ +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS= + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto init + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto init + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:init +@rem Get command-line arguments, handling Windowz variants + +if not "%OS%" == "Windows_NT" goto win9xME_args +if "%@eval[2+2]" == "4" goto 4NT_args + +:win9xME_args +@rem Slurp the command line arguments. +set CMD_LINE_ARGS= +set _SKIP=2 + +:win9xME_args_slurp +if "x%~1" == "x" goto execute + +set CMD_LINE_ARGS=%* +goto execute + +:4NT_args +@rem Get arguments from the 4NT Shell from JP Software +set CMD_LINE_ARGS=%$ + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/java b/java deleted file mode 160000 index f5ceee547..000000000 --- a/java +++ /dev/null @@ -1 +0,0 @@ -Subproject commit f5ceee547c294b8e188860c451882dd71a5909df diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 000000000..5e6d2d084 --- /dev/null +++ b/settings.gradle @@ -0,0 +1 @@ +include ':app', ':native', ':crypto', ':snet' diff --git a/snet/.gitignore b/snet/.gitignore new file mode 100644 index 000000000..796b96d1c --- /dev/null +++ b/snet/.gitignore @@ -0,0 +1 @@ +/build diff --git a/snet/build.gradle b/snet/build.gradle new file mode 100644 index 000000000..5267cb9ae --- /dev/null +++ b/snet/build.gradle @@ -0,0 +1,30 @@ +apply plugin: 'com.android.application' + +android { + compileSdkVersion 27 + buildToolsVersion "27.0.1" + + defaultConfig { + applicationId "com.topjohnwu.snet" + minSdkVersion 21 + targetSdkVersion 27 + versionCode 1 + versionName "1.0" + } + + buildTypes { + release { + minifyEnabled true + proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' + } + } +} + +repositories { + google() +} + +dependencies { + implementation fileTree(dir: 'libs', include: ['*.jar']) + implementation 'com.google.android.gms:play-services-safetynet:11.6.0' +} diff --git a/snet/proguard-rules.pro b/snet/proguard-rules.pro new file mode 100644 index 000000000..d6e59f6f5 --- /dev/null +++ b/snet/proguard-rules.pro @@ -0,0 +1,24 @@ +# 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 + +-keep class com.topjohnwu.snet.SafetyNet* { *; } +-dontwarn java.lang.invoke** diff --git a/snet/src/main/AndroidManifest.xml b/snet/src/main/AndroidManifest.xml new file mode 100644 index 000000000..4fa18362e --- /dev/null +++ b/snet/src/main/AndroidManifest.xml @@ -0,0 +1,7 @@ + + + + diff --git a/snet/src/main/java/com/topjohnwu/snet/SafetyNetCallback.java b/snet/src/main/java/com/topjohnwu/snet/SafetyNetCallback.java new file mode 100644 index 000000000..fa680422d --- /dev/null +++ b/snet/src/main/java/com/topjohnwu/snet/SafetyNetCallback.java @@ -0,0 +1,5 @@ +package com.topjohnwu.snet; + +public interface SafetyNetCallback { + void onResponse(int responseCode); +} diff --git a/snet/src/main/java/com/topjohnwu/snet/SafetyNetHelper.java b/snet/src/main/java/com/topjohnwu/snet/SafetyNetHelper.java new file mode 100644 index 000000000..a66634160 --- /dev/null +++ b/snet/src/main/java/com/topjohnwu/snet/SafetyNetHelper.java @@ -0,0 +1,124 @@ +package com.topjohnwu.snet; + +import android.app.Activity; +import android.content.Context; +import android.os.Bundle; +import android.support.annotation.NonNull; +import android.support.annotation.Nullable; +import android.util.Base64; + +import com.google.android.gms.common.ConnectionResult; +import com.google.android.gms.common.GoogleApiAvailability; +import com.google.android.gms.common.api.GoogleApiClient; +import com.google.android.gms.common.api.ResultCallback; +import com.google.android.gms.common.api.Status; +import com.google.android.gms.safetynet.SafetyNet; +import com.google.android.gms.safetynet.SafetyNetApi; + +import org.json.JSONException; +import org.json.JSONObject; + +import java.lang.reflect.Field; +import java.security.SecureRandom; + +public class SafetyNetHelper + implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener { + + public static final int CAUSE_SERVICE_DISCONNECTED = 0x01; + public static final int CAUSE_NETWORK_LOST = 0x02; + public static final int RESPONSE_ERR = 0x04; + public static final int CONNECTION_FAIL = 0x08; + + public static final int BASIC_PASS = 0x10; + public static final int CTS_PASS = 0x20; + + private GoogleApiClient mGoogleApiClient; + private Activity mActivity; + private int responseCode; + private SafetyNetCallback cb; + private String dexPath; + private boolean isDarkTheme; + + public SafetyNetHelper(Activity activity, String dexPath, SafetyNetCallback cb) { + mActivity = activity; + this.cb = cb; + this.dexPath = dexPath; + responseCode = 0; + + // Get theme + try { + Context context = activity.getApplicationContext(); + Field theme = context.getClass().getField("isDarkTheme"); + isDarkTheme = (boolean) theme.get(context); + } catch (Exception e) { + e.printStackTrace(); + } + } + + // Entry point to start test + public void attest() { + // Connect Google Service + mGoogleApiClient = new GoogleApiClient.Builder(mActivity) + .addApi(SafetyNet.API) + .addOnConnectionFailedListener(this) + .addConnectionCallbacks(this) + .build(); + mGoogleApiClient.connect(); + } + + @Override + public void onConnectionSuspended(int i) { + cb.onResponse(i); + } + + @Override + public void onConnectionFailed(@NonNull ConnectionResult result) { + Class clazz = mActivity.getClass(); + try { + // Use external resources + clazz.getMethod("swapResources", String.class, int.class).invoke(mActivity, dexPath, + isDarkTheme ? android.R.style.Theme_Material : android.R.style.Theme_Material_Light); + try { + GoogleApiAvailability.getInstance().getErrorDialog(mActivity, result.getErrorCode(), 0).show(); + } catch (Exception e) { + e.printStackTrace(); + } + clazz.getMethod("restoreResources").invoke(mActivity); + } catch (Exception e) { + e.printStackTrace(); + } + cb.onResponse(CONNECTION_FAIL); + } + + @Override + public void onConnected(@Nullable Bundle bundle) { + // Create nonce + byte[] nonce = new byte[24]; + new SecureRandom().nextBytes(nonce); + + // Call SafetyNet + SafetyNet.SafetyNetApi.attest(mGoogleApiClient, nonce) + .setResultCallback(new ResultCallback() { + @Override + public void onResult(@NonNull SafetyNetApi.AttestationResult result) { + Status status = result.getStatus(); + try { + if (!status.isSuccess()) throw new JSONException(""); + String json = new String(Base64.decode( + result.getJwsResult().split("\\.")[1], Base64.DEFAULT)); + JSONObject decoded = new JSONObject(json); + responseCode |= decoded.getBoolean("ctsProfileMatch") ? CTS_PASS : 0; + responseCode |= decoded.getBoolean("basicIntegrity") ? BASIC_PASS : 0; + } catch (JSONException e) { + responseCode = RESPONSE_ERR; + } + + // Disconnect + mGoogleApiClient.disconnect(); + + // Return results + cb.onResponse(responseCode); + } + }); + } +}