Magisk/build.py

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#!/usr/bin/env python3
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import sys
import os
import subprocess
def error(str):
print('\n' + '\033[41m' + str + '\033[0m' + '\n')
sys.exit(1)
def header(str):
print('\n' + '\033[44m' + str + '\033[0m' + '\n')
# Environment checks
if not sys.version_info >= (3, 5):
error('Requires Python >= 3.5')
if 'ANDROID_HOME' not in os.environ:
error('Please add Android SDK path to ANDROID_HOME environment variable!')
try:
subprocess.run(['java', '-version'], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
except FileNotFoundError:
error('Please install Java and make sure \'java\' is available in PATH')
# If not Windows, we need gcc to compile
if os.name != 'nt':
try:
subprocess.run(['gcc', '-v'], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
except FileNotFoundError:
error('Please install C compiler and make sure \'gcc\' is available in PATH')
import argparse
import multiprocessing
import zipfile
import datetime
import errno
import shutil
import lzma
import base64
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def mv(source, target):
print('mv: {} -> {}'.format(source, target))
shutil.move(source, target)
def cp(source, target):
print('cp: {} -> {}'.format(source, target))
shutil.copyfile(source, target)
def rm(file):
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try:
os.remove(file)
except OSError as e:
if e.errno != errno.ENOENT:
raise
def mkdir(path, mode=0o777):
try:
os.mkdir(path, mode)
except:
pass
def mkdir_p(path, mode=0o777):
os.makedirs(path, mode, exist_ok=True)
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def zip_with_msg(zipfile, source, target):
if not os.path.exists(source):
error('{} does not exist! Try build \'binary\' and \'apk\' before zipping!'.format(source))
print('zip: {} -> {}'.format(source, target))
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zipfile.write(source, target)
def build_all(args):
build_binary(args)
build_apk(args)
zip_main(args)
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zip_uninstaller(args)
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def build_binary(args):
header('* Building Magisk binaries')
# Force update Android.mk timestamp to trigger recompilation
os.utime(os.path.join('jni', 'Android.mk'))
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debug_flag = '' if args.release else '-DMAGISK_DEBUG'
cflag = 'APP_CFLAGS=\"-DMAGISK_VERSION=\\\"{}\\\" -DMAGISK_VER_CODE={} {}\"'.format(args.versionString, args.versionCode, debug_flag)
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)
if proc.returncode != 0:
error('Build Magisk binary failed!')
print('')
for arch in ['arm64-v8a', 'armeabi-v7a', 'x86', 'x86_64']:
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')
for binary in ['magisk', 'magiskinit']:
mv(os.path.join('libs', arch, binary), os.path.join('out', arch, binary))
with open(os.path.join('out', arch, binary), 'rb') as bin:
dump.write('const uint8_t {}_dump[] = "'.format(binary))
dump.write(''.join("\\x{:02X}".format(c) for c in lzma.compress(bin.read(), preset=9)))
dump.write('";\n')
print('')
proc = subprocess.run('{} {} -j{}'.format(ndk_build, cflag, multiprocessing.cpu_count()), shell=True)
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if proc.returncode != 0:
error('Build Magisk binary failed!')
print('')
for arch in ['arm64-v8a', 'armeabi-v7a', 'x86', 'x86_64']:
for binary in ['monogisk', 'magiskboot', 'b64xz', 'busybox']:
try:
mv(os.path.join('libs', arch, binary), os.path.join('out', arch, binary))
except:
pass
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def build_apk(args):
header('* Building Magisk Manager')
for key in ['public.certificate.x509.pem', 'private.key.pk8']:
source = os.path.join('ziptools', key)
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target = os.path.join('java', 'app', 'src', 'main', 'assets', key)
cp(source, target)
for script in ['magisk_uninstaller.sh', 'util_functions.sh']:
source = os.path.join('scripts', script)
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target = os.path.join('java', 'app', 'src', 'main', 'assets', script)
cp(source, target)
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os.chdir('java')
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if args.release:
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if not os.path.exists(os.path.join('..', 'release_signature.jks')):
error('Please generate a java keystore and place it in \'release_signature.jks\'')
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proc = subprocess.run('{} app:assembleRelease'.format(os.path.join('.', 'gradlew')), shell=True)
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if proc.returncode != 0:
error('Build Magisk Manager failed!')
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unsigned = os.path.join('app', 'build', 'outputs', 'apk', 'release', 'app-release-unsigned.apk')
aligned = os.path.join('app', 'build', 'outputs', 'apk', 'release', 'app-release-aligned.apk')
release = os.path.join('app', 'build', 'outputs', 'apk', 'release', 'app-release.apk')
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# Find the latest build tools
build_tool = sorted(os.listdir(os.path.join(os.environ['ANDROID_HOME'], 'build-tools')))[-1]
rm(aligned)
rm(release)
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proc = subprocess.run([
os.path.join(os.environ['ANDROID_HOME'], 'build-tools', build_tool, 'zipalign'),
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'-v', '-p', '4', unsigned, aligned], stdout=subprocess.DEVNULL)
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if proc.returncode != 0:
error('Zipalign Magisk Manager failed!')
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# Find apksigner.jar
apksigner = ''
for root, dirs, files in os.walk(os.path.join(os.environ['ANDROID_HOME'], 'build-tools', build_tool)):
if 'apksigner.jar' in files:
apksigner = os.path.join(root, 'apksigner.jar')
break
if not apksigner:
error('Cannot find apksigner.jar in Android SDK build tools')
proc = subprocess.run('java -jar {} sign --ks {} --out {} {}'.format(
apksigner,
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os.path.join('..', 'release_signature.jks'),
release, aligned), shell=True)
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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')
print('')
mv(release, target)
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else:
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proc = subprocess.run('{} app:assembleDebug'.format(os.path.join('.', 'gradlew')), shell=True)
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if proc.returncode != 0:
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')
print('')
mv(source, target)
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# Return to upper directory
os.chdir('..')
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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')
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print('')
mv(source, target)
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os.chdir('..')
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def gen_update_binary():
update_bin = []
binary = os.path.join('out', 'armeabi-v7a', 'b64xz')
if not os.path.exists(binary):
error('Please build \'binary\' before zipping!')
with open(binary, 'rb') as b64xz:
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update_bin.append('#! /sbin/sh\nEX_ARM=\'')
update_bin.append(''.join("\\x{:02X}".format(c) for c in b64xz.read()))
binary = os.path.join('out', 'x86', 'b64xz')
with open(binary, 'rb') as b64xz:
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update_bin.append('\'\nEX_X86=\'')
update_bin.append(''.join("\\x{:02X}".format(c) for c in b64xz.read()))
binary = os.path.join('out', 'armeabi-v7a', 'busybox')
with open(binary, 'rb') as busybox:
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update_bin.append('\'\nBB_ARM=')
update_bin.append(base64.b64encode(lzma.compress(busybox.read(), preset=9)).decode('ascii'))
binary = os.path.join('out', 'x86', 'busybox')
with open(binary, 'rb') as busybox:
update_bin.append('\nBB_X86=')
update_bin.append(base64.b64encode(lzma.compress(busybox.read(), preset=9)).decode('ascii'))
update_bin.append('\n')
with open(os.path.join('scripts', 'update_binary.sh'), 'r') as script:
update_bin.append(script.read())
return ''.join(update_bin)
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def zip_main(args):
header('* Packing Flashable Zip')
with zipfile.ZipFile('tmp_unsigned.zip', 'w', compression=zipfile.ZIP_DEFLATED, allowZip64=False) as zipf:
# META-INF
# update-binary
target = os.path.join('META-INF', 'com', 'google', 'android', 'update-binary')
print('zip: ' + target)
zipf.writestr(target, gen_update_binary())
# updater-script
source = os.path.join('scripts', 'flash_script.sh')
target = os.path.join('META-INF', 'com', 'google', 'android', 'updater-script')
zip_with_msg(zipf, source, target)
# Binaries
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for lib_dir, zip_dir in [('arm64-v8a', 'arm64'), ('armeabi-v7a', 'arm'), ('x86', 'x86'), ('x86_64', 'x64')]:
for binary in ['monogisk', 'magiskboot']:
source = os.path.join('out', lib_dir, binary)
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target = os.path.join(zip_dir, binary)
zip_with_msg(zipf, source, target)
# APK
source = os.path.join('out', 'app-release.apk' if args.release else 'app-debug.apk')
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target = os.path.join('common', 'magisk.apk')
zip_with_msg(zipf, source, target)
# Scripts
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# boot_patch.sh
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source = os.path.join('scripts', 'boot_patch.sh')
target = os.path.join('common', 'boot_patch.sh')
zip_with_msg(zipf, source, target)
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# util_functions.sh
source = os.path.join('scripts', 'util_functions.sh')
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with open(source, 'r') as script:
# Add version info util_functions.sh
util_func = script.read().replace(
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'MAGISK_VERSION_STUB', 'MAGISK_VER="{}"\nMAGISK_VER_CODE={}'.format(args.versionString, args.versionCode))
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target = os.path.join('common', 'util_functions.sh')
print('zip: ' + source + ' -> ' + target)
zipf.writestr(target, util_func)
# addon.d.sh
source = os.path.join('scripts', 'addon.d.sh')
target = os.path.join('addon.d', '99-magisk.sh')
zip_with_msg(zipf, source, target)
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# Prebuilts
for chromeos in ['futility', 'kernel_data_key.vbprivk', 'kernel.keyblock']:
source = os.path.join('chromeos', chromeos)
zip_with_msg(zipf, source, source)
# End of zipping
output = os.path.join('out', 'Magisk-v{}.zip'.format(args.versionString))
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sign_adjust_zip('tmp_unsigned.zip', output)
def zip_uninstaller(args):
header('* Packing Uninstaller Zip')
with zipfile.ZipFile('tmp_unsigned.zip', 'w', compression=zipfile.ZIP_DEFLATED, allowZip64=False) as zipf:
# META-INF
# update-binary
target = os.path.join('META-INF', 'com', 'google', 'android', 'update-binary')
print('zip: ' + target)
zipf.writestr(target, gen_update_binary())
# updater-script
source = os.path.join('scripts', 'uninstaller_loader.sh')
target = os.path.join('META-INF', 'com', 'google', 'android', 'updater-script')
zip_with_msg(zipf, source, target)
# Binaries
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for lib_dir, zip_dir in [('arm64-v8a', 'arm64'), ('armeabi-v7a', 'arm'), ('x86', 'x86'), ('x86_64', 'x64')]:
source = os.path.join('out', lib_dir, 'magiskboot')
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target = os.path.join(zip_dir, 'magiskboot')
zip_with_msg(zipf, source, target)
source = os.path.join('scripts', 'magisk_uninstaller.sh')
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target = 'magisk_uninstaller.sh'
zip_with_msg(zipf, source, target)
# Scripts
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# util_functions.sh
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source = os.path.join('scripts', 'util_functions.sh')
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with open(source, 'r') as script:
# Remove the stub
util_func = script.read().replace(
'MAGISK_VERSION_STUB', '')
target = os.path.join('util_functions.sh')
print('zip: ' + source + ' -> ' + target)
zipf.writestr(target, util_func)
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# Prebuilts
for chromeos in ['futility', 'kernel_data_key.vbprivk', 'kernel.keyblock']:
source = os.path.join('chromeos', chromeos)
zip_with_msg(zipf, source, source)
# End of zipping
output = os.path.join('out', 'Magisk-uninstaller-{}.zip'.format(datetime.datetime.now().strftime('%Y%m%d')))
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sign_adjust_zip('tmp_unsigned.zip', output)
def sign_adjust_zip(unsigned, output):
signer_name = 'zipsigner-1.0.jar'
jarsigner = os.path.join('java', 'crypto', 'build', 'libs', signer_name)
if os.name != 'nt' and not os.path.exists(os.path.join('ziptools', 'zipadjust')):
header('* Building zipadjust')
# Compile zipadjust
proc = subprocess.run('gcc -o ziptools/zipadjust ziptools/zipadjust_src/*.c -lz', shell=True)
if proc.returncode != 0:
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')
publicKey = os.path.join('ziptools', 'public.certificate.x509.pem')
privateKey = os.path.join('ziptools', 'private.key.pk8')
# Unsigned->signed
proc = subprocess.run(['java', '-jar', jarsigner,
publicKey, privateKey, unsigned, 'tmp_signed.zip'])
if proc.returncode != 0:
error('First sign flashable zip failed!')
# Adjust zip
proc = subprocess.run([os.path.join('ziptools', 'zipadjust'), 'tmp_signed.zip', 'tmp_adjusted.zip'])
if proc.returncode != 0:
error('Adjust flashable zip failed!')
# Adjusted -> output
proc = subprocess.run(['java', '-jar', jarsigner,
"-m", publicKey, privateKey, 'tmp_adjusted.zip', output])
if proc.returncode != 0:
error('Second sign flashable zip failed!')
# Cleanup
rm(unsigned)
rm('tmp_signed.zip')
rm('tmp_adjusted.zip')
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def cleanup(args):
if len(args.target) == 0:
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args.target = ['binary', 'java', 'zip']
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if 'binary' in args.target:
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header('* Cleaning binaries')
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subprocess.run(os.path.join(os.environ['ANDROID_HOME'], 'ndk-bundle', 'ndk-build') + ' clean', shell=True)
for arch in ['arm64-v8a', 'armeabi-v7a', 'x86', 'x86_64']:
shutil.rmtree(os.path.join('out', arch), ignore_errors=True)
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if 'java' in args.target:
header('* Cleaning java')
os.chdir('java')
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subprocess.run('{} clean'.format(os.path.join('.', 'gradlew')), shell=True)
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os.chdir('..')
for f in os.listdir('out'):
if '.apk' in f:
rm(os.path.join('out', f))
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if 'zip' in args.target:
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header('* Cleaning zip files')
for f in os.listdir('out'):
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if '.zip' in f:
rm(os.path.join('out', f))
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parser = argparse.ArgumentParser(description='Magisk build script')
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parser.add_argument('--release', action='store_true', help='compile Magisk for release')
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subparsers = parser.add_subparsers(title='actions')
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all_parser = subparsers.add_parser('all', help='build everything and create flashable zip with uninstaller')
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all_parser.add_argument('versionString')
all_parser.add_argument('versionCode', type=int)
all_parser.set_defaults(func=build_all)
binary_parser = subparsers.add_parser('binary', help='build Magisk binaries')
binary_parser.add_argument('versionString')
binary_parser.add_argument('versionCode', type=int)
binary_parser.set_defaults(func=build_binary)
apk_parser = subparsers.add_parser('apk', help='build Magisk Manager APK')
apk_parser.set_defaults(func=build_apk)
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snet_parser = subparsers.add_parser('snet', help='build snet extention for Magisk Manager')
snet_parser.set_defaults(func=build_snet)
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zip_parser = subparsers.add_parser('zip', help='zip and sign Magisk into a flashable zip')
zip_parser.add_argument('versionString')
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zip_parser.add_argument('versionCode', type=int)
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zip_parser.set_defaults(func=zip_main)
uninstaller_parser = subparsers.add_parser('uninstaller', help='create flashable uninstaller')
uninstaller_parser.set_defaults(func=zip_uninstaller)
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clean_parser = subparsers.add_parser('clean', help='clean [target...] targets: binary java zip')
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clean_parser.add_argument('target', nargs='*')
clean_parser.set_defaults(func=cleanup)
if len(sys.argv) == 1:
parser.print_help()
sys.exit(1)
args = parser.parse_args()
args.func(args)