#!/usr/bin/env python3 import sys import os import subprocess is_windows = os.name == 'nt' if is_windows: import colorama colorama.init() 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') def vprint(str): if args.verbose: print(str) # Environment checks if not sys.version_info >= (3, 6): error('Requires Python 3.6+') if 'ANDROID_SDK_ROOT' not in os.environ: error('Please add Android SDK path to ANDROID_SDK_ROOT environment variable!') try: subprocess.run(['javac', '-version'], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) except FileNotFoundError: error('Please install JDK and make sure \'javac\' is available in PATH') import argparse import multiprocessing import zipfile import datetime import errno import shutil import lzma import tempfile import platform import urllib.request import os.path as op from distutils.dir_util import copy_tree cpu_count = multiprocessing.cpu_count() archs = ['armeabi-v7a', 'x86'] arch64 = ['arm64-v8a', 'x86_64'] support_targets = ['magisk', 'magiskinit', 'magiskboot', 'magiskpolicy', 'resetprop', 'busybox', 'test'] default_targets = ['magisk', 'magiskinit', 'magiskboot', 'busybox'] ndk_root = op.join(os.environ['ANDROID_SDK_ROOT'], 'ndk') ndk_path = op.join(ndk_root, 'magisk') ndk_build = op.join(ndk_path, 'ndk-build') gradlew = op.join('.', 'gradlew' + ('.bat' if is_windows else '')) # Global vars config = {} STDOUT = None def mv(source, target): try: shutil.move(source, target) vprint(f'mv {source} -> {target}') except: pass def cp(source, target): try: shutil.copyfile(source, target) vprint(f'cp {source} -> {target}') except: pass def rm(file): try: os.remove(file) vprint(f'rm {file}') except OSError as e: if e.errno != errno.ENOENT: raise def rm_rf(path): vprint(f'rm -rf {path}') shutil.rmtree(path, ignore_errors=True) def mkdir(path, mode=0o755): try: os.mkdir(path, mode) except: pass def mkdir_p(path, mode=0o755): os.makedirs(path, mode, exist_ok=True) def execv(cmd): return subprocess.run(cmd, stdout=STDOUT) def system(cmd): return subprocess.run(cmd, shell=True, stdout=STDOUT) def cmd_out(cmd): return subprocess.check_output(cmd).strip().decode('utf-8') def xz(data): return lzma.compress(data, preset=9, check=lzma.CHECK_NONE) def parse_props(file): props = {} with open(file, 'r') as f: for line in [l.strip(' \t\r\n') for l in f]: if line.startswith('#') or len(line) == 0: continue prop = line.split('=') if len(prop) != 2: continue value = prop[1].strip(' \t\r\n') if len(value) == 0: continue props[prop[0].strip(' \t\r\n')] = value return props def load_config(args): commit_hash = cmd_out(['git', 'rev-parse', '--short=8', 'HEAD']) # Default values config['version'] = commit_hash config['outdir'] = 'out' config['prettyName'] = 'false' # Load prop files if op.exists(args.config): config.update(parse_props(args.config)) for key, value in parse_props('gradle.properties').items(): if key.startswith('magisk.'): config[key[7:]] = value config['prettyName'] = config['prettyName'].lower() == 'true' try: config['versionCode'] = int(config['versionCode']) except ValueError: error('Config error: "versionCode" is required to be an integer') mkdir_p(config['outdir']) global STDOUT STDOUT = None if args.verbose else subprocess.DEVNULL def zip_with_msg(zip_file, source, target): if not op.exists(source): error(f'{source} does not exist! Try build \'binary\' and \'apk\' before zipping!') zip_file.write(source, target) vprint(f'zip: {source} -> {target}') def collect_binary(): for arch in archs + arch64: mkdir_p(op.join('native', 'out', arch)) for bin in support_targets + ['magiskinit64']: source = op.join('native', 'libs', arch, bin) target = op.join('native', 'out', arch, bin) mv(source, target) def clean_elf(): if is_windows: elf_cleaner = op.join('tools', 'elf-cleaner.exe') else: elf_cleaner = op.join('native', 'out', 'elf-cleaner') if not op.exists(elf_cleaner): execv(['g++', '-std=c++11', 'tools/termux-elf-cleaner/termux-elf-cleaner.cpp', '-o', elf_cleaner]) args = [elf_cleaner] args.extend(op.join('native', 'out', arch, 'magisk') for arch in archs + arch64) execv(args) def sign_zip(unsigned, output, release): if not release or 'keyStore' not in config: mv(unsigned, output) return signer_name = 'zipsigner-4.0.jar' zipsigner = op.join('app', 'signing', 'build', 'libs', signer_name) if not op.exists(zipsigner): header('* Building ' + signer_name) proc = execv([gradlew, 'app:signing:shadowJar']) if proc.returncode != 0: error(f'Build {signer_name} failed!') header('* Signing Zip') proc = execv(['java', '-jar', zipsigner, config['keyStore'], config['keyStorePass'], config['keyAlias'], config['keyPass'], unsigned, output]) if proc.returncode != 0: error('Signing zip failed!') def binary_dump(src, out, var_name): out.write(f'constexpr unsigned char {var_name}[] = {{') for i, c in enumerate(xz(src.read())): if i % 16 == 0: out.write('\n') out.write(f'0x{c:02X},') out.write('\n};\n') out.flush() def gen_update_binary(): bs = 1024 update_bin = bytearray(bs) file = op.join('native', 'out', 'x86', 'busybox') with open(file, 'rb') as f: x86_bb = f.read() file = op.join('native', 'out', 'armeabi-v7a', 'busybox') with open(file, 'rb') as f: arm_bb = f.read() file = op.join('scripts', 'update_binary.sh') with open(file, 'rb') as f: script = f.read() # Align x86 busybox to bs blk_cnt = (len(x86_bb) - 1) // bs + 1 script = script.replace(b'__X86_CNT__', b'%d' % blk_cnt) update_bin[:len(script)] = script update_bin.extend(x86_bb) # Padding for alignment update_bin.extend(b'\0' * (blk_cnt * bs - len(x86_bb))) update_bin.extend(arm_bb) return update_bin def run_ndk_build(flags): os.chdir('native') proc = system(f'{ndk_build} {base_flags} {flags} -j{cpu_count}') if proc.returncode != 0: error('Build binary failed!') os.chdir('..') collect_binary() def dump_bin_headers(): for arch in archs: bin_file = op.join('native', 'out', arch, 'magisk') if not op.exists(bin_file): error('Build "magisk" before building "magiskinit"') with open(op.join('native', 'out', arch, 'binaries_arch.h'), 'w') as out: with open(bin_file, 'rb') as src: binary_dump(src, out, 'magisk_xz') for arch, arch32 in list(zip(arch64, archs)): bin_file = op.join('native', 'out', arch, 'magisk') with open(op.join('native', 'out', arch32, 'binaries_arch64.h'), 'w') as out: with open(bin_file, 'rb') as src: binary_dump(src, out, 'magisk_xz') stub = op.join(config['outdir'], 'stub-release.apk') if not op.exists(stub): error('Build stub APK before building "magiskinit"') with open(op.join('native', 'out', 'binaries.h'), 'w') as out: with open(stub, 'rb') as src: binary_dump(src, out, 'manager_xz') def build_binary(args): # Verify NDK install props = parse_props(op.join(ndk_path, 'source.properties')) if props['Pkg.Revision'] != config['fullNdkVersion']: error('Incorrect NDK. Please install/upgrade NDK with "build.py ndk"') if args.target: args.target = set(args.target) & set(support_targets) if not args.target: return else: args.target = default_targets header('* Building binaries: ' + ' '.join(args.target)) update_flags = False flags = op.join('native', 'jni', 'include', 'flags.hpp') flags_stat = os.stat(flags) if op.exists(args.config): if os.stat(args.config).st_mtime_ns > flags_stat.st_mtime_ns: update_flags = True last_commit = int(cmd_out(['git', 'log', '-1', r'--format=%at', 'HEAD'])) if last_commit > flags_stat.st_mtime: update_flags = True if update_flags: os.utime(flags) # Basic flags global base_flags base_flags = f'MAGISK_VERSION={config["version"]} MAGISK_VER_CODE={config["versionCode"]}' if not args.release: base_flags += ' MAGISK_DEBUG=1' if 'magisk' in args.target: run_ndk_build('B_MAGISK=1 B_64BIT=1') clean_elf() if 'magiskinit' in args.target: dump_bin_headers() run_ndk_build('B_INIT=1') run_ndk_build('B_INIT64=1') if 'magiskpolicy' in args.target: run_ndk_build('B_POLICY=1') if 'resetprop' in args.target: run_ndk_build('B_PROP=1') if 'magiskboot' in args.target: run_ndk_build('B_BOOT=1') if 'busybox' in args.target: run_ndk_build('B_BB=1') if 'test' in args.target: run_ndk_build('B_TEST=1 B_64BIT=1') def build_apk(args, module): build_type = 'Release' if args.release or module == 'stub' else 'Debug' proc = execv([gradlew, f'{module}:assemble{build_type}', '-PconfigPath=' + op.abspath(args.config)]) if proc.returncode != 0: error(f'Build {module} failed!') build_type = build_type.lower() apk = f'{module}-{build_type}.apk' source = op.join(module, 'build', 'outputs', 'apk', build_type, apk) target = op.join(config['outdir'], apk) mv(source, target) header('Output: ' + target) return target def build_app(args): header('* Building Magisk Manager') build_apk(args, 'app') def build_stub(args): header('* Building Magisk Manager stub') build_apk(args, 'stub') def build_snet(args): if not op.exists(op.join('snet', 'src', 'main', 'java', 'com', 'topjohnwu', 'snet')): error('snet sources have to be bind mounted on top of the stub folder') header('* Building snet extension') proc = execv([gradlew, 'stub:assembleRelease']) if proc.returncode != 0: error('Build snet extention failed!') source = op.join('stub', 'build', 'outputs', 'apk', 'release', 'stub-release.apk') target = op.join(config['outdir'], 'snet.jar') # Extract classes.dex with zipfile.ZipFile(target, 'w', compression=zipfile.ZIP_DEFLATED, allowZip64=False) as zout: with zipfile.ZipFile(source) as zin: zout.writestr('classes.dex', zin.read('classes.dex')) rm(source) header('Output: ' + target) def zip_main(args): header('* Packing Flashable Zip') with tempfile.NamedTemporaryFile(delete=False) as f: unsigned = f.name with zipfile.ZipFile(unsigned, 'w', compression=zipfile.ZIP_DEFLATED, allowZip64=False) as zipf: # update-binary target = op.join('META-INF', 'com', 'google', 'android', 'update-binary') vprint('zip: ' + target) zipf.writestr(target, gen_update_binary()) # updater-script source = op.join('scripts', 'flash_script.sh') target = op.join('META-INF', 'com', 'google', 'android', 'updater-script') zip_with_msg(zipf, source, target) # Binaries for lib_dir, zip_dir in [('armeabi-v7a', 'arm'), ('x86', 'x86')]: for binary in ['magiskinit', 'magiskinit64', 'magiskboot']: source = op.join('native', 'out', lib_dir, binary) target = op.join(zip_dir, binary) zip_with_msg(zipf, source, target) # APK source = op.join( config['outdir'], 'app-release.apk' if args.release else 'app-debug.apk') target = op.join('common', 'magisk.apk') zip_with_msg(zipf, source, target) # boot_patch.sh source = op.join('scripts', 'boot_patch.sh') target = op.join('common', 'boot_patch.sh') zip_with_msg(zipf, source, target) # util_functions.sh source = op.join('scripts', 'util_functions.sh') with open(source, 'r') as script: # Add version info util_functions.sh util_func = script.read().replace( '#MAGISK_VERSION_STUB', f'MAGISK_VER="{config["version"]}"\nMAGISK_VER_CODE={config["versionCode"]}') target = op.join('common', 'util_functions.sh') vprint(f'zip: {source} -> {target}') zipf.writestr(target, util_func) # addon.d.sh source = op.join('scripts', 'addon.d.sh') target = op.join('common', 'addon.d.sh') zip_with_msg(zipf, source, target) # chromeos for tool in ['futility', 'kernel_data_key.vbprivk', 'kernel.keyblock']: source = op.join('tools', tool) target = op.join('chromeos', tool) zip_with_msg(zipf, source, target) # End of zipping output = op.join(config['outdir'], f'Magisk-v{config["version"]}.zip' if config['prettyName'] else 'magisk-release.zip' if args.release else 'magisk-debug.zip') sign_zip(unsigned, output, args.release) rm(unsigned) header('Output: ' + output) def zip_uninstaller(args): header('* Packing Uninstaller Zip') with tempfile.NamedTemporaryFile(delete=False) as f: unsigned = f.name with zipfile.ZipFile(unsigned, 'w', compression=zipfile.ZIP_DEFLATED, allowZip64=False) as zipf: # update-binary target = op.join('META-INF', 'com', 'google', 'android', 'update-binary') vprint('zip: ' + target) zipf.writestr(target, gen_update_binary()) # updater-script source = op.join('scripts', 'magisk_uninstaller.sh') target = op.join('META-INF', 'com', 'google', 'android', 'updater-script') zip_with_msg(zipf, source, target) # Binaries for lib_dir, zip_dir in [('armeabi-v7a', 'arm'), ('x86', 'x86')]: source = op.join('native', 'out', lib_dir, 'magiskboot') target = op.join(zip_dir, 'magiskboot') zip_with_msg(zipf, source, target) # util_functions.sh source = op.join('scripts', 'util_functions.sh') with open(source, 'r') as script: target = op.join('util_functions.sh') vprint(f'zip: {source} -> {target}') zipf.writestr(target, script.read()) # chromeos for tool in ['futility', 'kernel_data_key.vbprivk', 'kernel.keyblock']: source = op.join('tools', tool) target = op.join('chromeos', tool) zip_with_msg(zipf, source, target) # End of zipping datestr = datetime.datetime.now().strftime("%Y%m%d") output = op.join(config['outdir'], f'Magisk-uninstaller-{datestr}.zip' if config['prettyName'] else 'magisk-uninstaller.zip') sign_zip(unsigned, output, args.release) rm(unsigned) header('Output: ' + output) def cleanup(args): support_targets = {'native', 'java'} if args.target: args.target = set(args.target) & support_targets else: # If nothing specified, clean everything args.target = support_targets if 'native' in args.target: header('* Cleaning native') rm_rf(op.join('native', 'out')) rm_rf(op.join('native', 'libs')) rm_rf(op.join('native', 'obj')) if 'java' in args.target: header('* Cleaning java') execv([gradlew, 'clean']) def setup_ndk(args): os_name = platform.system().lower() ndk_ver = config['ndkVersion'] url = f'https://dl.google.com/android/repository/android-ndk-r{ndk_ver}-{os_name}-x86_64.zip' ndk_zip = url.split('/')[-1] header(f'* Downloading {ndk_zip}') with urllib.request.urlopen(url) as response, open(ndk_zip, 'wb') as out_file: shutil.copyfileobj(response, out_file) header('* Extracting NDK zip') rm_rf(ndk_path) with zipfile.ZipFile(ndk_zip, 'r') as zf: for info in zf.infolist(): extracted_path = zf.extract(info, ndk_root) vprint(f'Extracting {info.filename}') if info.create_system == 3: # ZIP_UNIX_SYSTEM = 3 unix_attributes = info.external_attr >> 16 if unix_attributes: os.chmod(extracted_path, unix_attributes) mv(op.join(ndk_root, f'android-ndk-r{ndk_ver}'), ndk_path) header('* Removing unnecessary files') for dirname, subdirs, _ in os.walk(op.join(ndk_path, 'platforms')): for plats in subdirs: pp = op.join(dirname, plats) rm_rf(pp) mkdir(pp) subdirs.clear() rm_rf(op.join(ndk_path, 'sysroot')) header('* Replacing API-16 static libs') for target in ['arm-linux-androideabi', 'i686-linux-android']: arch = target.split('-')[0] lib_dir = op.join( ndk_path, 'toolchains', 'llvm', 'prebuilt', f'{os_name}-x86_64', 'sysroot', 'usr', 'lib', f'{target}', '16') src_dir = op.join('tools', 'ndk-bins', arch) # Remove stupid macOS crap rm(op.join(src_dir, '.DS_Store')) for path in copy_tree(src_dir, lib_dir): vprint(f'Replaced {path}') def build_all(args): vars(args)['target'] = [] build_stub(args) build_app(args) build_binary(args) zip_main(args) zip_uninstaller(args) parser = argparse.ArgumentParser(description='Magisk build script') parser.add_argument('-r', '--release', action='store_true', help='compile in release mode') parser.add_argument('-v', '--verbose', action='store_true', help='verbose output') parser.add_argument('-c', '--config', default='config.prop', help='custom config file (default: config.prop)') subparsers = parser.add_subparsers(title='actions') all_parser = subparsers.add_parser( 'all', help='build binaries, apks, zips') all_parser.set_defaults(func=build_all) binary_parser = subparsers.add_parser('binary', help='build binaries') binary_parser.add_argument( 'target', nargs='*', help=f"{', '.join(support_targets)}, \ or empty for defaults ({', '.join(default_targets)})") binary_parser.set_defaults(func=build_binary) app_parser = subparsers.add_parser('app', help='build Magisk Manager') app_parser.set_defaults(func=build_app) stub_parser = subparsers.add_parser( 'stub', help='build stub Magisk Manager') stub_parser.set_defaults(func=build_stub) # Need to bind mount snet sources on top of stub folder # Note: source code for the snet extension is *NOT* public snet_parser = subparsers.add_parser( 'snet', help='build snet extension') snet_parser.set_defaults(func=build_snet) zip_parser = subparsers.add_parser( 'zip', help='zip Magisk into a flashable zip') zip_parser.set_defaults(func=zip_main) un_parser = subparsers.add_parser( 'uninstaller', help='create flashable uninstaller') un_parser.set_defaults(func=zip_uninstaller) clean_parser = subparsers.add_parser('clean', help='cleanup') clean_parser.add_argument( 'target', nargs='*', help='native, java, or empty to clean both') clean_parser.set_defaults(func=cleanup) ndk_parser = subparsers.add_parser('ndk', help='setup Magisk NDK') ndk_parser.set_defaults(func=setup_ndk) if len(sys.argv) == 1: parser.print_help() sys.exit(1) args = parser.parse_args() load_config(args) # Call corresponding functions args.func(args)