Magisk/build.py
2021-03-07 04:34:06 -08:00

494 lines
14 KiB
Python
Executable File

#!/usr/bin/env python3
import sys
import os
import subprocess
import argparse
import multiprocessing
import zipfile
import errno
import shutil
import lzma
import platform
import urllib.request
import os.path as op
from distutils.dir_util import copy_tree
def error(str):
if is_ci:
print(f'\n ! {str}\n')
else:
print(f'\n\033[41m{str}\033[0m\n')
sys.exit(1)
def header(str):
if is_ci:
print(f'\n{str}\n')
else:
print(f'\n\033[44m{str}\033[0m\n')
def vprint(str):
if args.verbose:
print(str)
is_windows = os.name == 'nt'
is_ci = 'CI' in os.environ and os.environ['CI'] == 'true'
if not is_ci and is_windows:
import colorama
colorama.init()
# 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')
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
build_tools = 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'
# 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
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 collect_binary():
for arch in archs + arch64:
mkdir_p(op.join('native', 'out', arch))
for bin in support_targets:
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 find_build_tools():
global build_tools
if build_tools:
return build_tools
build_tools_root = op.join(os.environ['ANDROID_SDK_ROOT'], 'build-tools')
ls = os.listdir(build_tools_root)
# Use the latest build tools available
ls.sort()
build_tools = op.join(build_tools_root, ls[-1])
return build_tools
# Unused but keep this code
def sign_zip(unsigned):
if 'keyStore' not in config:
return
msg = '* Signing APK'
apksigner = op.join(find_build_tools(), 'apksigner' + ('.bat' if is_windows else ''))
exec_args = [apksigner, 'sign',
'--ks', config['keyStore'],
'--ks-pass', f'pass:{config["keyStorePass"]}',
'--ks-key-alias', config['keyAlias'],
'--key-pass', f'pass:{config["keyPass"]}',
'--v1-signer-name', 'CERT',
'--v4-signing-enabled', 'false']
if unsigned.endswith('.zip'):
msg = '* Signing zip'
exec_args.extend(['--min-sdk-version', '17',
'--v2-signing-enabled', 'false',
'--v3-signing-enabled', 'false'])
exec_args.append(unsigned)
header(msg)
proc = execv(exec_args)
if proc.returncode != 0:
error('Signing 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 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():
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
if os.stat('gradle.properties').st_mtime_ns > flags_stat.st_mtime_ns:
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 'test' in args.target:
run_ndk_build('B_TEST=1 B_64BIT=1')
if 'busybox' in args.target:
run_ndk_build('B_BB=1')
# 32-bit only targets can be built in one command
flag = ''
if 'magiskinit' in args.target:
dump_bin_headers()
flag += ' B_INIT=1'
if 'magiskpolicy' in args.target:
flag += ' B_POLICY=1'
if 'resetprop' in args.target:
flag += ' B_PROP=1'
if 'magiskboot' in args.target:
flag += ' B_BOOT=1'
if flag:
run_ndk_build(flag)
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 the Magisk app')
build_apk(args, 'app')
def build_stub(args):
header('* Building stub APK')
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 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():
print(f'Extracting {info.filename}')
if info.external_attr == 2716663808: # symlink
src = zf.read(info).decode("utf-8")
dest = op.join(ndk_root, info.filename)
os.symlink(src, dest)
continue
extracted_path = zf.extract(info, ndk_root)
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('* Patching static libs')
for api in ['16', '21']:
for target in ['aarch64-linux-android', 'arm-linux-androideabi',
'i686-linux-android', 'x86_64-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}', api)
if not op.exists(lib_dir):
continue
src_dir = op.join('tools', 'ndk-bins', api, arch)
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_binary(args)
build_app(args)
parser = argparse.ArgumentParser(description='Magisk build script')
parser.set_defaults(func=lambda x: None)
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 everything')
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 the Magisk app')
app_parser.set_defaults(func=build_app)
stub_parser = subparsers.add_parser(
'stub', help='build stub APK')
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)
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)