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cruelbuild
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#!/usr/bin/env python3
import os, errno
from sys import argv, stdout, stderr
import re
import json
import atexit
import secrets
from copy import deepcopy
from datetime import datetime, timedelta
from subprocess import CalledProcessError, Popen, run, DEVNULL, PIPE
from shutil import which
from enum import Enum, IntEnum
from collections import namedtuple
from struct import unpack_from, calcsize
from select import poll
from time import sleep
from timeit import default_timer as timer
from ctypes import CDLL, get_errno, c_int
from ctypes.util import find_library
from errno import EINTR
from termios import FIONREAD
from fcntl import ioctl
from io import FileIO
from os import fsencode, fsdecode
CK_DIR = os.path.dirname(os.path.realpath(__file__))
toolchain = {
'default': {
'CROSS_COMPILE': 'toolchain/gcc-cfp/gcc-cfp-jopp-only/aarch64-linux-android-4.9/bin/aarch64-linux-android-',
'CLANG_TRIPLE': 'toolchain/clang/host/linux-x86/clang-4639204-cfp-jopp/bin/aarch64-linux-gnu-',
'CC': 'toolchain/clang/host/linux-x86/clang-4639204-cfp-jopp/bin/clang'
},
'cruel': {
'CROSS_COMPILE': 'toolchain/bin/aarch64-cruel-elf-'
},
'samsung': {
'CROSS_COMPILE': 'toolchain/gcc-cfp/gcc-cfp-jopp-only/aarch64-linux-android-4.9/bin/aarch64-linux-android-',
'CLANG_TRIPLE': 'toolchain/clang/host/linux-x86/clang-r349610-jopp/bin/aarch64-linux-gnu-',
'CC': 'toolchain/clang/host/linux-x86/clang-r349610-jopp/bin/clang'
},
'google': {
'CROSS_COMPILE': 'toolchain/aarch64-linux-android-4.9/bin/aarch64-linux-android-',
'CLANG_TRIPLE': 'toolchain/llvm/bin/aarch64-linux-android-',
'CC': 'toolchain/llvm/bin/clang',
'LD': 'toolchain/llvm/bin/ld.lld',
'AR': 'toolchain/llvm/bin/llvm-ar',
'NM': 'toolchain/llvm/bin/llvm-nm',
'OBJCOPY': 'toolchain/llvm/bin/llvm-objcopy',
'OBJDUMP': 'toolchain/llvm/bin/llvm-objdump',
'READELF': 'toolchain/llvm/bin/llvm-readelf',
'OBJSIZE': 'toolchain/llvm/bin/llvm-size',
'STRIP': 'toolchain/llvm/bin/llvm-strip',
'LDGOLD': 'toolchain/aarch64-linux-android-4.9/bin/aarch64-linux-android-ld.gold',
'LLVM_AR': 'toolchain/llvm/bin/llvm-ar',
'LLVM_DIS': 'toolchain/llvm/bin/llvm-dis'
},
'proton': {
'CROSS_COMPILE': 'toolchain/bin/aarch64-linux-gnu-',
'CROSS_COMPILE_ARM32': 'toolchain/bin/arm-linux-gnueabi-',
'CC': 'toolchain/bin/clang',
'LD': 'toolchain/bin/ld.lld',
'AR': 'toolchain/bin/llvm-ar',
'NM': 'toolchain/bin/llvm-nm',
'OBJCOPY': 'toolchain/bin/llvm-objcopy',
'OBJDUMP': 'toolchain/bin/llvm-objdump',
'READELF': 'toolchain/bin/llvm-readelf',
'OBJSIZE': 'toolchain/bin/llvm-size',
'STRIP': 'toolchain/bin/llvm-strip',
'LDGOLD': 'toolchain/bin/aarch64-linux-gnu-ld.gold',
'LLVM_AR': 'toolchain/bin/llvm-ar',
'LLVM_DIS': 'toolchain/bin/llvm-dis'
},
'arter97': {
'CROSS_COMPILE': 'toolchain/bin/aarch64-elf-'
},
'arm': {
'CROSS_COMPILE': 'toolchain/bin/aarch64-none-elf-'
},
'system-gcc': {
'CROSS_COMPILE': 'aarch64-linux-gnu-'
},
'system-clang': {
'CC': 'clang',
'CROSS_COMPILE': 'aarch64-linux-gnu-',
'CROSS_COMPILE_ARM32': 'arm-linux-gnu-'
}
}
models = {
'G970F': {
'config': 'exynos9820-beyond0lte_defconfig'
},
'G970N': {
'config': 'exynos9820-beyond0lteks_defconfig'
},
'G973F': {
'config': 'exynos9820-beyond1lte_defconfig'
},
'G973N': {
'config': 'exynos9820-beyond1lteks_defconfig'
},
'G975F': {
'config': 'exynos9820-beyond2lte_defconfig'
},
'G975N': {
'config': 'exynos9820-beyond2lteks_defconfig'
},
'G977B': {
'config': 'exynos9820-beyondx_defconfig'
},
'G977N': {
'config': 'exynos9820-beyondxks_defconfig'
},
'N970F': {
'config': 'exynos9820-d1_defconfig'
},
'N971N': {
'config': 'exynos9820-d1xks_defconfig'
},
'N975F': {
'config': 'exynos9820-d2s_defconfig'
},
'N976B': {
'config': 'exynos9820-d2x_defconfig'
},
'N976N': {
'config': 'exynos9820-d2xks_defconfig'
}
}
OBJTREE_SIZE_GB = 3
_libc = None
def _libc_call(function, *args):
"""Wrapper which raises errors and retries on EINTR."""
while True:
rc = function(*args)
if rc != -1:
return rc
errno = get_errno()
if errno != EINTR:
raise OSError(errno, os.strerror(errno))
Event = namedtuple('Event', ['wd', 'mask', 'cookie', 'name'])
_EVENT_FMT = 'iIII'
_EVENT_SIZE = calcsize(_EVENT_FMT)
class INotify(FileIO):
fd = property(FileIO.fileno)
inotify_raw_events = []
topdir = 1
paths = {}
event_files = set()
def __init__(self, inheritable=False, nonblocking=False):
try:
libc_so = find_library('c')
except RuntimeError:
libc_so = None
global _libc; _libc = _libc or CDLL(libc_so or 'libc.so.6', use_errno=True)
O_CLOEXEC = getattr(os, 'O_CLOEXEC', 0) # Only defined in Python 3.3+
flags = (not inheritable) * O_CLOEXEC | bool(nonblocking) * os.O_NONBLOCK
FileIO.__init__(self, _libc_call(_libc.inotify_init1, flags), mode='rb')
self._poller = poll()
self._poller.register(self.fileno())
def add_watch(self, path, mask):
path = str(path) if hasattr(path, 'parts') else path
wd = _libc_call(_libc.inotify_add_watch, self.fileno(), fsencode(path), mask)
self.paths[wd] = path
if path == '.':
self.topdir = wd
return wd
def readraw(self, timeout=None, read_delay=None):
data = self._readall()
if not data and timeout != 0 and self._poller.poll(timeout):
if read_delay is not None:
sleep(read_delay / 1000.0)
data = self._readall()
return data
def _readall(self):
bytes_avail = c_int()
ioctl(self, FIONREAD, bytes_avail)
if not bytes_avail.value:
return b''
return os.read(self.fileno(), bytes_avail.value)
def collect_events(self, timeout=1, read_delay=None):
self.inotify_raw_events.append(self.readraw(timeout=timeout, read_delay=read_delay))
@staticmethod
def parse_events(data):
pos = 0
events = []
while pos < len(data):
wd, mask, cookie, namesize = unpack_from(_EVENT_FMT, data, pos)
pos += _EVENT_SIZE + namesize
name = data[pos - namesize : pos].split(b'\x00', 1)[0]
events.append(Event(wd, mask, cookie, fsdecode(name)))
return events
def _gather_event_files(self):
event_files = set()
for data in self.inotify_raw_events:
for event in self.parse_events(data):
if event.wd != -1:
if event.wd == self.topdir:
event_files.add(event.name)
else:
event_files.add(os.path.join(self.paths[event.wd], event.name))
else:
fatal("Missing events with SRC_REDUCE=y, try to use j=1")
inotify_raw_events = []
self.event_files.update(event_files)
def get_event_files(self):
self.collect_events()
self._gather_event_files()
return self.event_files
def run(self, args):
with Popen(args, stdout=stdout, stderr=stderr) as proc:
while proc.poll() is None:
self.collect_events()
if proc.returncode:
exit(proc.returncode)
self._gather_event_files()
class flags(IntEnum):
OPEN = 0x00000020 #: File was opened
Q_OVERFLOW = 0x00004000 #: Event queue overflowed
ONLYDIR = 0x01000000 #: only watch the path if it is a directory
EXCL_UNLINK = 0x04000000 #: exclude events on unlinked objects
inotify = INotify()
watch_flags = flags.OPEN | flags.EXCL_UNLINK | flags.ONLYDIR
unused_files = set()
def get_toolchain_cc(compiler):
cc = ''
if 'CC' in toolchain[compiler]:
cc = toolchain[compiler]['CC']
else:
cc = toolchain[compiler]['CROSS_COMPILE'] + 'gcc'
return cc
def mount_tmpfs(target, req_mem_gb):
if not os.path.ismount(target):
meminfo = dict((i.split()[0].rstrip(':'),int(i.split()[1])) for i in open('/proc/meminfo').readlines())
av_mem_gb = int(meminfo['MemAvailable'] / 1024 ** 2)
if av_mem_gb >= req_mem_gb + 2:
ret = run(['sudo', '--non-interactive',
'mount', '-t', 'tmpfs', '-o', 'rw,noatime,size=' + str(req_mem_gb) + 'G', 'tmpfs', target])
if ret.returncode != 0:
print('BUILD: error mounting tmpfs on ' + target, file=stderr)
else:
print('BUILD: tmpfs is mounted on ' + target)
else:
print('BUILD: will not mount tmpfs on ' + target + ' size ' + str(av_mem_gb) + 'G < ' + str(req_mem_gb + 2) + 'G')
else:
print(target + ' is already used as mountpoint', file=stderr)
def umount_tmpfs(target):
if os.path.ismount(target):
ret = run(['sudo', '--non-interactive', 'umount', target])
if ret.returncode != 0:
print("BUILD: error unmounting " + target, file=stderr)
else:
print("BUILD: " + target + " unmounted")
def inotify_install_watchers(inotify, dirname, watch_flags, exclude_dirs, exclude_files):
inotify.add_watch(dirname, watch_flags)
topdirs, unused_files = scandir(dirname)
for d in exclude_dirs:
topdirs.remove(d)
for f in exclude_files:
unused_files.remove(f)
for dir in topdirs:
for root, dirs, files in os.walk(dir, topdown=False):
unused_files.update({ os.path.join(root, f) for f in files })
for d in dirs:
inotify.add_watch(os.path.join(root, d), watch_flags)
return unused_files
def remove_files(*files):
for f in files:
try:
os.remove(f)
except FileNotFoundError:
pass
def del_dirs(src_dir):
for dirpath, _, _ in os.walk(src_dir, topdown=False):
try:
os.rmdir(dirpath)
except OSError:
pass
def mkdir(dirname):
try:
os.mkdir(dirname)
except FileExistsError:
pass
def scandir(dirname):
topdirs = set()
topfiles = set()
with os.scandir(dirname) as it:
for entry in it:
if entry.is_dir():
topdirs.add(entry.name)
else:
topfiles.add(entry.name)
return topdirs, topfiles
def tool_exists(name):
return which(name) is not None
def get_cores_num():
return len(os.sched_getaffinity(0))
def check_env(var):
isset = False
v = os.environ.get(var, 'n')
if v == 'y' or v == 'Y' or v == 'yes' or v == '1':
isset = True
return isset
def set_env(force=False, **env):
for key, value in env.items():
if force or key not in os.environ:
os.environ[key] = value
value = os.environ[key]
print(key + '="' + value + '"')
def fatal(*args, **kwargs):
print(*args, file=stderr, **kwargs)
exit(1)
def print_usage():
msg = f"""
Usage: {argv[0]} <stage> model=<model> name=<name> [+-]<conf1> [+-]<conf2> ...
<stage>: build stage. Required argument. mkimg by default.
Where <stage> can be one of: config, build, mkimg, pack
(:build, :mkimg, :pack). Each next stage will run all
previous stages first. Prefix ':' means skip all previous
stages.
model=<model> phone model name. Required argument.
The script will try to autodetect connected phone if
model is not specified. Supported models:
{list(models.keys())}
Use model=all to build all available kernels.
name=<name>: optional custom kernel name
Use this switch if you want to change the name in
your kernel.
toolchain=<compiler>: optional toolchain switch
Supported compilers: {list(toolchain.keys())}
os_patch_level=<date>: use patch date (YYYY-MM)
instead of default one from build.mkbootimg.<model>
file. For example: os_patch_level="2020-02"
O=dir will perform out of tree kernel build in dir.
The script will try to mount tmpfs in dir if there
is enough available memory.
[+-]<conf>: optional list of configuration switches.
Use prefix '+' to enable the configuration.
Use prefix '-' to disable the configuration.
You can check full list of switches and default ones in
kernel/configs/cruel*.conf directory.
One can use NODEFAULTS=y {argv[0]} +samsung ... to disable
all enabled by default configs.
If you want to flash the kernel, use: FLASH=y {argv[0]}
"""
print(msg)
def parse_stage():
stages = []
modes = ['config', 'build', 'mkimg', 'pack']
omodes = [':config', ':build', ':mkimg', ':pack']
all_modes = modes + omodes
if len(argv) > 1:
mode = argv[1]
if mode not in all_modes:
if mode[0] == '+' or mode[0] == '-' or '=' in mode:
mode = 'mkimg'
else:
print_usage()
fatal('Please, specify the mode from {}.'.format(all_modes))
else:
argv.pop(1)
else:
mode = 'mkimg'
if mode in omodes:
if mode == ':config':
stages = [] # special model for :config
# don't run make defconfig
# just generate config.json file
else:
stages = [mode[1:]]
else:
stages = modes[0:modes.index(mode)+1]
return stages
def find_configs():
configs = { 'kernel': {}, 'order': [] }
prefix_len = len('cruel')
suffix_len = len('.conf')
nodefaults = check_env('NODEFAULTS')
files = [f for f in os.listdir('kernel/configs/') if re.match('^cruel[+-]?.*\.conf$', f)]
for f in files:
if f == 'cruel.conf':
continue
name = f[prefix_len+1:]
name = name[:-suffix_len]
enabled = True if f[prefix_len:prefix_len+1] == '+' else False
configs['kernel'][name] = {
'path': os.path.join('kernel/configs', f),
'enabled': enabled if not nodefaults else False,
'default': enabled
}
if enabled and not nodefaults:
configs['order'].append(name)
configs['order'] = sorted(configs['order'])
return configs
def save_config(file, configs):
conf = deepcopy(configs)
with open(file, 'w') as fh:
json.dump(conf, fh, sort_keys=True, indent=4)
def load_config(file):
with open(file, 'r') as fh:
return json.load(fh)
def switch_config(opt, enable, configs):
if opt in configs['kernel']:
configs['kernel'][opt]['enabled'] = enable
else:
fatal("Unknown config '{}'.".format(opt))
if enable:
if opt in configs['order']:
configs['order'].remove(opt)
configs['order'].append(opt)
else:
if opt in configs['order']:
configs['order'].remove(opt)
def parse_args():
configs = find_configs()
for arg in argv[1:]:
if arg.find('=') != -1:
(key, value) = arg.split('=', 1)
enable = None
if key[0] == '-' or key[0] == '+':
enable = True if key[0] == '+' else False
key = key[1:]
if key not in [ 'name',
'model',
'os_patch_level',
'toolchain',
'magisk',
'O' ]:
fatal('Unknown config {}.'.format(key))
if enable == None:
if key == 'model':
if value == 'all':
value = list(models.keys())
else:
value = value.split(',')
configs[key] = value
else:
switch_config(key, enable, configs)
if not value:
fatal('Please, use {}="<name>".'.format(key))
elif key == 'model':
for m in value:
if m not in models:
fatal('Unknown device model: ' + m)
elif key == 'os_patch_level':
try:
datetime.strptime(value, '%Y-%m')
except Exception:
fatal('Please, use os_patch_level="YYYY-MM". For example: os_patch_level="2020-02"')
elif key == 'toolchain':
if value not in toolchain:
fatal('Unknown toolchain: ' + value)
elif key == 'magisk':
if value not in ['canary', 'alpha', 'delta'] and not re.match('^(v\d+\.\d+)|([a-f0-9]{8}-delta)$', value):
fatal('Unknown magisk version: ' + value + ' (example: canary, alpha, v20.4, v19.4, ...)')
configs['kernel']['magisk']['version'] = value
else:
switch = arg[0:1]
enable = True if switch == '+' else False
opt = arg[1:]
if switch not in ['+', '-']:
fatal("Unknown switch '{0}'. Please, use '+{0}'/'-{0}' to enable/disable option.".format(arg))
switch_config(opt, enable, configs)
if 'model' not in configs:
first_model = list(models.keys())[0]
if len(models) == 1:
configs['model'] = [ first_model ]
else:
try:
configs['model'] = [ adb_get_device_model() ]
except CalledProcessError:
print_usage()
fatal('Please, use model="<model>". For example: model="{}"'.format(first_model))
return configs
def setup_env(features, configs, model):
set_env(ARCH='arm64', PLATFORM_VERSION='11', ANDROID_MAJOR_VERSION='r')
set_env(KBUILD_BUILD_TIMESTAMP='')
if features['fake_config']:
defconfig = os.path.join('arch/arm64/configs', models[model]['config'])
set_env(KCONFIG_BUILTINCONFIG=defconfig)
def config_info(configs, model):
name = configs.get('name', 'Cruel')
name = name.replace('#MODEL#', model)
print('Name: ' + name)
print('Model: ' + model)
conf_msg = []
kernel_configs = configs['kernel']
for key in configs['order']:
if kernel_configs[key]['enabled']:
conf_msg.append(key + ' (default: ' + ('On' if kernel_configs[key]['default'] else 'Off') + ')')
if conf_msg:
print('Configuration:')
for i in conf_msg:
print("\t" + i)
else:
print('Configuration: basic')
if 'os_patch_level' in configs:
print('OS Patch Level: ' + configs['os_patch_level'])
else:
with open('cruel/build.mkbootimg.' + model, 'r') as fh:
for line in fh:
(arg, val) = line.split('=', 1)
val = val.rstrip()
if arg == 'os_patch_level':
print('OS Patch Level: ' + val)
break
def config_name(name, config='.config'):
run(['scripts/config',
'--file', config,
'--set-str', 'LOCALVERSION', '-' + name], check=True)
def config_model(model, config='.config'):
run(['scripts/config',
'--file', config,
'--disable', 'CONFIG_MODEL_NONE',
'--enable', 'CONFIG_MODEL_' + model], check=True)
def make_config(features, configs, model):
objtree = configs.get('O', '.')
config = os.path.join(os.path.join(CK_DIR, objtree),
'config.' + model)
set_env(KCONFIG_CONFIG=config)
args = ['scripts/kconfig/merge_config.sh', '-O', objtree,
os.path.join('arch/arm64/configs', models[model]['config']),
'kernel/configs/cruel.conf']
kernel_configs = configs['kernel']
for key in configs['order']:
if kernel_configs[key]['enabled']:
args.append(kernel_configs[key]['path'])
inotify.run(args)
if 'name' in configs:
name = configs['name'].replace('#MODEL#', model)
config_name(name, config)
if features['dtb']:
config_model(model, config)
del os.environ['KCONFIG_CONFIG']
def update_magisk(version):
cmd = ['usr/magisk/update_magisk.sh']
if version:
cmd.append(version)
run(cmd, check=True)
with open('usr/magisk/backup_magisk', 'wt') as fh:
print(f"""
KEEPVERITY=true
KEEPFORCEENCRYPT=true
RECOVERYMODE=false
PREINITDEVICE=userdata
RANDOMSEED=0x{secrets.token_hex(8)}
""".strip(), file=fh)
with open('usr/magisk/magisk_version', 'rt') as fh:
print('Magisk Version: ' + fh.readline())
def switch_toolchain(compiler):
cc = os.path.abspath(get_toolchain_cc(compiler))
if cc.startswith(os.path.realpath('toolchain')):
branch = run(['git', 'submodule', 'foreach', 'git', 'rev-parse', '--abbrev-ref', 'HEAD'],
check=True, stdout=PIPE).stdout.decode('utf-8').splitlines()[1]
if not (tool_exists(cc) and compiler == branch):
ret = run(['git', 'submodule', 'foreach', 'git', 'rev-parse', '--verify', '--quiet', compiler],
stdout=DEVNULL, stderr=DEVNULL)
if ret.returncode != 0:
try:
run(['git', 'submodule', 'foreach', 'git', 'branch', compiler, 'origin/' + compiler],
check=True, stdout=DEVNULL, stderr=DEVNULL)
except CalledProcessError:
fatal("Can't checkout to toolchain: " + compiler)
run(['git', 'submodule', 'foreach', 'git', 'checkout', compiler], check=True)
def build(compiler, objtree='.'):
env = {}
toolchain[compiler]['CC'] = get_toolchain_cc(compiler)
if compiler in ['system-gcc', 'system-clang']:
env = toolchain[compiler]
else:
env = { k: os.path.abspath(v) for k, v in toolchain[compiler].items() }
if tool_exists('ccache'):
env['CC'] = 'ccache ' + env['CC']
if objtree != '.':
env['O'] = objtree
if tool_exists('pigz'):
env['KGZIP']='pigz'
if tool_exists('pbzip2'):
env['KBZIP2']='pbzip2'
arg_threads = []
if check_env('DEBUG'):
arg_threads = ['-j', '1', 'V=1']
else:
arg_threads = ['-j', str(get_cores_num())]
inotify.run(['make',
*arg_threads,
*{ k + '=' + v for k, v in env.items() }])
def mkbootimg(os_patch_level, seadroid, config, output, **files):
if not tool_exists('mkbootimg'):
fatal("Please, install 'mkbootimg'.")
print("Preparing {}...".format(output))
for f in files.values():
if not os.path.isfile(f):
fatal("Can't find file '{}'.".format(f))
args = ['mkbootimg']
with open(config) as fh:
for line in fh:
(arg, val) = line.split('=', 1)
if arg == 'os_patch_level' and os_patch_level:
val = os_patch_level
else:
val = val.rstrip()
args.extend(['--' + arg, val])
for k, v in files.items():
args.extend(['--' + k, v])
args.extend(['--output', output])
run(args, check=True)
if seadroid:
with open(output, 'ab') as img:
img.write('SEANDROIDENFORCE'.encode('ascii'))
def get_dtb_configs(models):
dtb_model = {}
model_dtb = {}
for model in models:
with open(os.path.join('cruel', 'dtb.' + model), 'r') as fh:
l = ''
while not l:
l = fh.readline()
dtb = l.split('.')[0]
if dtb not in dtb_model:
dtb_model[dtb] = [model]
else:
dtb_model[dtb].append(model)
model_dtb[model] = dtb
return {'dtb': dtb_model, 'model': model_dtb}
def mkdtboimg(dtbdir, config, output):
if not tool_exists('mkdtboimg'):
fatal("Please, install 'mkdtboimg'.")
print("Preparing {}...".format(output))
inotify.run(['mkdtboimg', 'cfg_create', '--dtb-dir=' + dtbdir, output, config])
def mkvbmeta(output):
if not tool_exists('avbtool'):
fatal("Please, install 'avbtool'.")
print('Preparing vbmeta...')
run(['avbtool', 'make_vbmeta_image', '--out', output], check=True)
def mkaptar(boot, vbmeta):
if not (tool_exists('tar') and tool_exists('md5sum') and tool_exists('lz4')):
fatal("Please, install 'tar', 'lz4' and 'md5sum'.")
print('Preparing AP.tar.md5...')
run(['lz4', '-m', '-f', '-B6', '--content-size', boot, vbmeta], check=True)
run(['tar', '-H', 'ustar', '-c', '-f', 'AP.tar', boot + '.lz4', vbmeta + '.lz4'], check=True)
run(['md5sum AP.tar >> AP.tar && mv AP.tar AP.tar.md5'], check=True, shell=True)
def adb_get_state():
return run(['adb', 'get-state'], stdout=PIPE, stderr=DEVNULL, check=False).stdout.decode('utf-8').strip()
def adb_wait_for_device():
state = adb_get_state()
if not state:
print('Waiting for the device...')
run(['adb', 'wait-for-device'])
def heimdall_wait_for_device():
print('Waiting for download mode...')
run('until heimdall detect > /dev/null 2>&1; do sleep 1; done', shell=True)
def heimdall_in_download_mode():
return run(['heimdall', 'detect'], stdout=DEVNULL, stderr=DEVNULL).returncode == 0
def heimdall_flash_images(imgs):
args = ['heimdall', 'flash']
for partition, image in imgs.items():
args.extend(['--' + partition.upper(), image])
run(args, check=True)
def adb_reboot_download():
run(['adb', 'reboot', 'download'])
def adb_reboot():
run(['adb', 'reboot'])
def adb_get_kernel_version():
run(['adb', 'shell', 'cat', '/proc/version'])
def adb_uid():
return int(run(['adb', 'shell', 'id', '-u'], stdout=PIPE, check=True).stdout.decode('utf-8'))
def adb_check_su():
try:
run(['adb', 'shell', 'command', '-v', 'su'], check=True)
return True
except CalledProcessError:
return False
def adb_get_device_model():
return (run(['adb', 'shell', 'getprop', 'ro.boot.em.model'], stdout=PIPE, check=True)
.stdout.decode('utf-8')
.strip()[3:])
def adb_get_partitions(cmd_adb):
raw_partitions = run(['adb', 'shell', *cmd_adb('cat /proc/partitions')],
stdout=PIPE, check=True).stdout.decode('utf-8').splitlines()[1:]
aliases = run(['adb', 'shell', 'ls', '-1',
'/dev/block/by-name/*'],
stdout=PIPE, check=True).stdout.decode('utf-8').splitlines()
names = run(['adb', 'shell', 'realpath',
'/dev/block/by-name/*'],
stdout=PIPE, check=True).stdout.decode('utf-8').splitlines()
partitions = {}
map_block = {}
block_prefix_len = len('/dev/block/')
alias_prefix_len = len('/dev/block/by-name/')
for (alias, name) in zip(aliases, names):
if alias and name:
alias = alias[alias_prefix_len:]
name = name[block_prefix_len:]
partitions[alias] = { 'block': name }
map_block[name] = partitions[alias]
for part in raw_partitions:
if part:
major, minor, blocks, name = part.split()
if name in map_block:
map_block[name]['size'] = int(blocks) * 1024
return partitions
def flash(samsung=False, **imgs):
if not tool_exists('adb'):
fatal("Please, install 'adb'")
is_root = False
use_su = False
try:
if not heimdall_in_download_mode():
adb_wait_for_device()
is_root = (adb_uid() == 0)
if not is_root and adb_check_su():
use_su = True
is_root = True
except (FileNotFoundError, CalledProcessError):
pass
if is_root:
#cmd_adb = lambda cmd: ['sh', '-x', '-c', '"' + cmd + '"']
cmd_adb = lambda cmd: [cmd.replace('\\','')]
if use_su:
cmd_adb = lambda cmd: ['su', '-c', '"' + cmd + '"']
state = adb_get_state()
tmpdir = '/data/local/tmp'
if state == 'recovery':
tmpdir = '/tmp'
partitions = adb_get_partitions(cmd_adb)
for part, img in imgs.items():
if part not in partitions:
fatal("Unknown partition " + part + " for " + img)
img_size = os.path.getsize(img)
part_size = partitions[part]['size']
if img_size > part_size:
img_size_mb = img_size / 1024 ** 2
part_size_mb = part_size / 1024 ** 2
fatal("{} is bigger than {} partition ({:0.2f} > {:0.2f} MiB)"
.format(img, part, img_size_mb, part_size_mb))
for part, img in imgs.items():
cleanup = lambda: run(['adb', 'shell',
'rm', '-f', os.path.join(tmpdir, img)])
atexit.register(cleanup)
run(['adb', 'push',
img, tmpdir],
check=True)
run(['adb', 'shell', *cmd_adb(
'dd if=' + os.path.join(tmpdir, img) +
' of=/dev/block/by-name/' + part)],
check=True)
cleanup()
atexit.unregister(cleanup)
adb_reboot()
adb_wait_for_device()
adb_get_kernel_version()
elif samsung and tool_exists('heimdall'):
if not heimdall_in_download_mode():
adb_wait_for_device()
adb_reboot_download()
heimdall_wait_for_device()
heimdall_flash_images(imgs)
adb_wait_for_device()
adb_get_kernel_version()
else:
fatal("Please, use 'adb root' or install 'heimdall'")
def flash_zip(zipfile):
if not tool_exists('adb'):
fatal("Please, install 'adb'")
if heimdall_in_download_mode():
fatal("Can't flash zip file while phone is in DOWNLOAD mode. Please, reboot")
is_root = False
use_su = False
try:
adb_wait_for_device()
is_root = (adb_uid() == 0)
if not is_root and adb_check_su():
use_su = True
is_root = True
except (FileNotFoundError, CalledProcessError):
pass
if not is_root:
fatal("Can't flash zip file if root is not available")
state = adb_get_state()
tmpdir = '/data/local/tmp'
execdir = '/data/adb'
if state == 'recovery':
tmpdir = '/tmp'
execdir = '/tmp'
update_binary = os.path.join(execdir, 'update-binary')
zippath = os.path.join(tmpdir, os.path.basename(zipfile))
#cmd_adb = lambda cmd: ['sh', '-x', '-c', '"' + cmd + '"']
cmd_adb = lambda cmd: [cmd.replace('\\','')]
if use_su:
cmd_adb = lambda cmd: ['su', '-c', '"' + cmd + '"']
cleanup = lambda: run(['adb', 'shell',
*cmd_adb('rm -f /tmp/update-binary ' + os.path.join(tmpdir, zipfile))])
atexit.register(cleanup)
run(['adb', 'push', zipfile, tmpdir],
check=True)
run(['adb', 'shell', *cmd_adb((
'unzip -p {zip}' +
' META-INF/com/google/android/update-binary ' +
'> {update}').format(zip=zippath, update=update_binary))],
check=True)
run(['adb', 'shell', *cmd_adb((
'fgrep -qI \\"\\" {update} && ' + # text file
'[ \\"\$(head -n 1 {update})\\" = \\"#!/sbin/sh\\" ] && ' +
'sed -i \\"1c\#!\$(which sh)\\" {update}').format(update=update_binary))],
check=True)
run(['adb', 'shell', *cmd_adb('chmod +x ' + update_binary)],
check=True)
run(['adb', 'shell', *cmd_adb((
'set -o posix; FIFO=\$(mktemp -p {tmp} -u); mkfifo \$FIFO; exec 3<>\$FIFO; rm -f \$FIFO; ' +
'cd {tmp}; {update} 3 3 {zip}').format(tmp=tmpdir, update=update_binary, zip=zippath))],
check=True)
cleanup()
atexit.unregister(cleanup)
adb_reboot()
adb_wait_for_device()
adb_get_kernel_version()
def archive_xz(name, images):
if not tool_exists('xz'):
fatal("Please, install 'xz'.")
# if len(images) == 1:
# print('Preparing {} ...'.format(images[0] + '.xz'))
# run(['xz', '-9', '--force', images[0]], check=True)
# elif tool_exists('tar'):
if tool_exists('tar'):
print('Preparing ' + name + '...')
set_env(force=True, XZ_OPT='-9')
run(['tar', '-cJf', name, *images], check=True)
else:
fatal("Please, install 'tar'.")
def print_recovery_message(words, margin=1):
if not words:
return []
line_len = len(words[0]) + margin * 2
line = [words[0]]
msg = []
for i in range(1, len(words)):
if line_len + len(words[i]) + len(line) - 1 < 47:
line_len += len(words[i])
line.append(words[i])
else:
msg.append('ui_print "***{:^47}***"'.format(' '.join(line)))
line_len = len(words[i]) + margin * 2
line = [words[i]]
if line:
msg.append('ui_print "***{:^47}***"'.format(' '.join(line)))
return msg
def prepare_updater_script(configs, features, dtb_map):
models = configs['model']
kernel_name = configs.get('name', 'Cruel').replace('#MODEL#', '')
device_check = []
process = lambda t, k: ''.join([
chr(x ^ ord(y))
for x, y in zip(t, k * int(len(t) / len(k) + 1000))])
header = '''\
#!/sbin/sh
set -e
ZIPFILE="$3"
ZIPNAME="${ZIPFILE##*/}"
OUTFD="/proc/self/fd/$2"
tmpdir='/tmp'
execdir='/tmp'
BOOTMODE=false
if ps | grep zygote | grep -qv grep; then
BOOTMODE=true
fi
if ps -A 2>/dev/null | grep zygote | grep -qv grep; then
BOOTMODE=true
fi
if $BOOTMODE; then