def find_partconfig(self, cf):
partconfig_id = None
defaultprop = cf.get_file('default.prop')
if defaultprop:
lines = fileio.bytes_to_lines(defaultprop.content)
for line in lines:
if line.startswith('ro.patcher.patched'):
partconfig_id = line.partition('=')[1]
mountscript = cf.get_file('init.multiboot.mounting.sh')
if mountscript:
lines = fileio.bytes_to_lines(mountscript.content)
for line in lines:
if line.startswith('TARGET_DATA='):
match = re.search(r'/raw-data/([^/"]+)', line)
if match:
partconfig_id = match.group(1)
configs = partitionconfigs.get()
for config in configs:
if config.id == partconfig_id:
return config
return None
def find_partconfig(self, cf):
partconfig_id = None
defaultprop = cf.get_file('default.prop')
if defaultprop:
lines = fileio.bytes_to_lines(defaultprop.content)
for line in lines:
if line.startswith('ro.patcher.patched'):
partconfig_id = line.partition('=')[1]
mountscript = cf.get_file('init.multiboot.mounting.sh')
if mountscript:
lines = fileio.bytes_to_lines(mountscript.content)
for line in lines:
if line.startswith('TARGET_DATA='):
match = re.search(r'/raw-data/([^/"]+)', line)
if match:
partconfig_id = match.group(1)
configs = partitionconfigs.get()
for config in configs:
if config.id == partconfig_id:
return config
return None
def modify_init_rc(cpiofile):
cpioentry = cpiofile.get_file('init.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
in_mediaserver = False
for line in lines:
if re.search(r"^.*setprop.*selinux.reload_policy.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif 'check_icd' in line:
buf += fileio.encode(re.sub(r"^", "#", line))
elif version == 'kk44' and \
line.startswith('service'):
in_mediaserver = '/system/bin/mediaserver' in line
buf += fileio.encode(line)
elif in_mediaserver and re.search(r'^\s*user', line):
buf += fileio.encode(fileio.whitespace(line) + 'user root\n')
else:
buf += fileio.encode(line)
cpioentry.content = buf
def modify_init_rc(cpiofile):
cpioentry = cpiofile.get_file('init.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
in_mediaserver = False
for line in lines:
if re.search(r"^.*setprop.*selinux.reload_policy.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif 'check_icd' in line:
buf += fileio.encode(re.sub(r"^", "#", line))
elif version == 'kk44' and \
line.startswith('service'):
in_mediaserver = '/system/bin/mediaserver' in line
buf += fileio.encode(line)
elif in_mediaserver and re.search(r'^\s*user', line):
buf += fileio.encode(fileio.whitespace(line) + 'user root\n')
else:
buf += fileio.encode(line)
cpioentry.content = buf
def modify_init_rc(cpiofile):
cpioentry = cpiofile.get_file('init.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
if re.search(r"mkdir /system(\s|$)", line):
buf += fileio.encode(line)
buf += fileio.encode(re.sub("/system", "/raw-system", line))
elif re.search(r"mkdir /data(\s|$)", line):
buf += fileio.encode(line)
buf += fileio.encode(re.sub("/data", "/raw-data", line))
elif re.search(r"mkdir /cache(\s|$)", line):
buf += fileio.encode(line)
buf += fileio.encode(re.sub("/cache", "/raw-cache", line))
elif 'yaffs2' in line:
buf += fileio.encode(re.sub(r"^", "#", line))
else:
buf += fileio.encode(line)
cpioentry.content = buf
def modify_init_rc(cpiofile):
cpioentry = cpiofile.get_file('init.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
if 'export ANDROID_ROOT' in line:
buf += fileio.encode(line)
buf += fileio.encode(fileio.whitespace(line) + "export ANDROID_CACHE /cache\n")
elif re.search(r"mkdir /system(\s|$)", line):
buf += fileio.encode(line)
buf += fileio.encode(re.sub("/system", "/raw-system", line))
elif re.search(r"mkdir /data(\s|$)", line):
buf += fileio.encode(line)
buf += fileio.encode(re.sub("/data", "/raw-data", line))
elif re.search(r"mkdir /cache(\s|$)", line):
buf += fileio.encode(line)
buf += fileio.encode(re.sub("/cache", "/raw-cache", line))
elif 'yaffs2' in line:
buf += fileio.encode(re.sub(r"^", "#", line))
elif re.search(r"^.*setprop.*selinux.reload_policy.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
else:
buf += fileio.encode(line)
cpioentry.set_content(buf)
def modify_init_target_rc(cpiofile):
cpioentry = cpiofile.get_file("init.target.rc")
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
previous_line = ""
for line in lines:
if re.search(r"^\s+wait\s+/dev/.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif re.search(r"^\s+check_fs\s+/dev/.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif re.search(r"^\s+mount\s+ext4\s+/dev/.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif re.search(r"^\s+mount_all\s+fstab.jgedlte.*$", line) and re.search(
r"^on\s+fs(_selinux)?.*$", previous_line
):
buf += fileio.encode(line)
buf += fileio.encode(fileio.whitespace(line) + "exec /sbin/busybox-static sh /init.multiboot.mounting.sh\n")
else:
buf += fileio.encode(line)
previous_line = line
cpioentry.set_content(buf)
def modify_fstab(cpiofile, partition_config):
# Ignore all contents for TouchWiz
cpioentry = cpiofile.get_file('fstab.qcom')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
system = "/dev/block/platform/msm_sdcc.1/by-name/system /raw-system ext4 ro,errors=panic wait\n"
cache = "/dev/block/platform/msm_sdcc.1/by-name/cache /raw-cache ext4 nosuid,nodev,barrier=1 wait,check\n"
data = "/dev/block/platform/msm_sdcc.1/by-name/userdata /raw-data ext4 nosuid,nodev,noatime,noauto_da_alloc,discard,journal_async_commit,errors=panic wait,check,encryptable=footer\n"
system_fourth = 'ro,barrier=1,errors=panic'
system_fifth = 'wait'
cache_fourth = 'nosuid,nodev,barrier=1'
cache_fifth = 'wait,check'
# Target cache on /system partition
target_cache_on_system = "/dev/block/platform/msm_sdcc.1/by-name/system /raw-system ext4 %s %s\n" % (cache_fourth, cache_fifth)
# Target system on /cache partition
target_system_on_cache = "/dev/block/platform/msm_sdcc.1/by-name/cache /raw-cache ext4 %s %s\n" % (system_fourth, system_fifth)
# Target system on /data partition
target_system_on_data = "/dev/block/platform/msm_sdcc.1/by-name/userdata /raw-data ext4 %s %s\n" % (system_fourth, system_fifth)
has_cache_line = False
for line in lines:
if re.search(r"^/dev[a-zA-Z0-9/\._-]+\s+/system\s+.*$", line):
if '/raw-system' in partition_config.target_cache:
buf += fileio.encode(target_cache_on_system)
else:
buf += fileio.encode(system)
elif re.search(r"^/dev[^\s]+\s+/cache\s+.*$", line):
if '/raw-cache' in partition_config.target_system:
buf += fileio.encode(target_system_on_cache)
else:
buf += fileio.encode(cache)
has_cache_line = True
elif re.search(r"^/dev[^\s]+\s+/data\s+.*$", line):
if '/raw-data' in partition_config.target_system:
buf += fileio.encode(target_system_on_data)
else:
buf += fileio.encode(data)
else:
buf += fileio.encode(line)
if not has_cache_line:
if '/raw-cache' in partition_config.target_system:
buf += fileio.encode(target_system_on_cache)
else:
buf += fileio.encode(cache)
cpioentry.set_content(buf)
def modify_init_target_rc(cpiofile):
cpioentry = cpiofile.get_file("init.target.rc")
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
if "init.dualboot.mounting.sh" in line:
buf += fileio.encode(re.sub("init.dualboot.mounting.sh", "init.multiboot.mounting.sh", line))
else:
buf += fileio.encode(line)
cpioentry.set_content(buf)
def modify_MSM8960_lpm_rc(cpiofile):
cpioentry = cpiofile.get_file('MSM8960_lpm.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
if re.search(r"^\s+mount.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
else:
buf += fileio.encode(line)
cpioentry.set_content(buf)
def modify_init_target_rc(cpiofile):
cpioentry = cpiofile.get_file('init.target.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
if 'init.dualboot.mounting.sh' in line:
buf += fileio.encode(line.replace('init.dualboot.mounting.sh',
'init.multiboot.mounting.sh'))
else:
buf += fileio.encode(line)
cpioentry.content = buf
def modify_init_qcom_rc(cpiofile):
cpioentry = cpiofile.get_file('init.qcom.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
# Change /data/media to /raw-data/media
if re.search(r"/data/media(\s|$)", line):
buf += fileio.encode(re.sub('/data/media', '/raw-data/media', line))
else:
buf += fileio.encode(line)
cpioentry.set_content(buf)
def modify_init_target_rc(cpiofile):
cpioentry = cpiofile.get_file('init.target.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
if 'init.dualboot.mounting.sh' in line:
buf += fileio.encode(
line.replace('init.dualboot.mounting.sh',
'init.multiboot.mounting.sh'))
else:
buf += fileio.encode(line)
cpioentry.content = buf
def modify_init_qcom_rc(cpiofile):
for i in ["init.qcom.rc", "init.jgedlte.rc"]:
cpioentry = cpiofile.get_file(i)
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
# Change /data/media to /raw-data/media
if re.search(r"/data/media(\s|$)", line):
buf += fileio.encode(re.sub("/data/media", "/raw-data/media", line))
else:
buf += fileio.encode(line)
cpioentry.set_content(buf)
def modify_MSM8960_lpm_rc(cpiofile):
if version == 'kk44':
return
cpioentry = cpiofile.get_file('MSM8960_lpm.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
if re.search(r"^\s+mount.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
else:
buf += fileio.encode(line)
cpioentry.content = buf
def modify_ueventd_rc(cpiofile):
if version != 'kk44':
return
cpioentry = cpiofile.get_file('ueventd.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
if '/dev/snd/*' in line:
buf += fileio.encode(line.replace('0660', '0666'))
else:
buf += fileio.encode(line)
cpioentry.content = buf
def modify_ueventd_rc(cpiofile):
if version != 'kk44':
return
cpioentry = cpiofile.get_file('ueventd.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
if '/dev/snd/*' in line:
buf += fileio.encode(line.replace('0660', '0666'))
else:
buf += fileio.encode(line)
cpioentry.content = buf
def modify_init_target_rc(cpiofile, filename='init.target.rc',
insert_apnhlos=False, insert_mdm=False):
cpioentry = cpiofile.get_file(filename)
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
if re.search(r"^\s+wait\s+/dev/.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif re.search(r"^\s+check_fs\s+/dev/.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif re.search(r"^\s+mount\s+ext4\s+/dev/.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif re.search(r"^\s+mount_all\s+(\./)?fstab\..*$", line):
buf += fileio.encode(line)
buf += fileio.encode(fileio.whitespace(line) + common.EXEC_MOUNT)
elif re.search(r"/data/media(\s|$)", line):
buf += fileio.encode(
re.sub('/data/media', '/raw-data/media', line))
elif re.search(r"^\s+setprop\s+ro.crypto.fuse_sdcard\s+true", line):
buf += fileio.encode(line)
voldargs = 'shortname=lower,uid=1000,gid=1000,dmask=227,fmask=337'
if insert_apnhlos:
buf += fileio.encode(fileio.whitespace(line) +
"wait %s\n" % APNHLOS_PART)
buf += fileio.encode(fileio.whitespace(line) +
"mount vfat %s /firmware ro %s\n" %
(APNHLOS_PART, voldargs))
if insert_mdm:
buf += fileio.encode(fileio.whitespace(line) +
"wait %s\n" % MDM_PART)
buf += fileio.encode(fileio.whitespace(line) +
"mount vfat %s /firmware-mdm ro %s\n" %
(MDM_PART, voldargs))
else:
buf += fileio.encode(line)
cpioentry.content = buf
def modify_fstab(cpiofile, partition_config):
cpioentry = cpiofile.get_file('fstab.hammerhead')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
system_fourth = 'ro,barrier=1'
system_fifth = 'wait'
cache_fourth = 'noatime,nosuid,nodev,barrier=1,data=ordered,noauto_da_alloc,journal_async_commit,errors=panic'
cache_fifth = 'wait,check'
for line in lines:
if re.search(r"^/dev[a-zA-Z0-9/\._-]+\s+/raw-system\s+.*$", line):
if '/raw-system' in partition_config.target_cache:
r = re.search(r"^([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)", line)
line = "%s %s %s %s %s\n" % (r.groups()[0], r.groups()[1], r.groups()[2],
cache_fourth, cache_fifth)
buf += fileio.encode(line)
elif re.search(r"^/dev[^\s]+\s+/raw-cache\s+.*$", line):
if '/raw-cache' in partition_config.target_system:
# /raw-cache needs to always be mounted rw so OpenDelta can write to
# /cache/recovery
args = system_fourth
if 'ro' in args:
args = re.sub('ro', 'rw', args)
else:
args = 'rw,' + args
r = re.search(r"^([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)", line)
line = "%s %s %s %s %s\n" % (r.groups()[0], r.groups()[1], r.groups()[2],
args, system_fifth)
buf += fileio.encode(line)
elif re.search(r"^/dev[^\s]+\s+/raw-data\s+.*$", line):
if '/raw-data' in partition_config.target_system:
r = re.search(r"^([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)", line)
line = "%s %s %s %s %s\n" % (r.groups()[0], r.groups()[1], r.groups()[2],
system_fourth, system_fifth)
buf += fileio.encode(line)
else:
buf += fileio.encode(line)
cpioentry.set_content(buf)
def modify_fstab(cpiofile, partition_config):
cpioentry = cpiofile.get_file('fstab.g2')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
system_fourth = 'ro,barrier=1'
system_fifth = 'wait'
cache_fourth = 'nosuid,nodev,barrier=1,noauto_da_alloc,errors=continue'
cache_fifth = 'wait'
for line in lines:
if re.search(r"^/dev[a-zA-Z0-9/\._-]+\s+/system\s+.*$", line):
temp = re.sub("\s/system\s", " /raw-system ", line)
if '/raw-system' in partition_config.target_cache:
r = re.search(r"^([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)", temp)
temp = "%s %s %s %s %s\n" % (r.groups()[0], r.groups()[1], r.groups()[2],
cache_fourth, cache_fifth)
buf += fileio.encode(temp)
elif re.search(r"^/dev[^\s]+\s+/cache\s+.*$", line):
temp = re.sub("\s/cache\s", " /raw-cache ", line)
if '/raw-cache' in partition_config.target_system:
r = re.search(r"^([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)", temp)
temp = "%s %s %s %s %s\n" % (r.groups()[0], r.groups()[1], r.groups()[2],
system_fourth, system_fifth)
buf += fileio.encode(temp)
elif re.search(r"^/dev[^\s]+\s+/data\s+.*$", line):
temp = re.sub("\s/data\s", " /raw-data ", line)
if '/raw-data' in partition_config.target_system:
r = re.search(r"^([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)", temp)
temp = "%s %s %s %s %s\n" % (r.groups()[0], r.groups()[1], r.groups()[2],
system_fourth, system_fifth)
buf += fileio.encode(temp)
else:
buf += fileio.encode(line)
cpioentry.set_content(buf)
def modify_init_qcom_rc(cpiofile):
cpioentry = cpiofile.get_file('init.qcom.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
if 'export EMULATED_STORAGE_TARGET' in line:
buf += fileio.encode(line)
buf += fileio.encode(fileio.whitespace(line) + "export EXTERNAL_SD /storage/sdcard1\n")
# Change /data/media to /raw-data/media
elif re.search(r"/data/media(\s|$)", line):
buf += fileio.encode(re.sub('/data/media', '/raw-data/media', line))
else:
buf += fileio.encode(line)
cpioentry.set_content(buf)
def modify_fstab(cpiofile, partition_config):
cpioentry = cpiofile.get_file("fstab.qcom")
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
system_fourth = "ro,barrier=1,errors=panic"
system_fifth = "wait"
cache_fourth = "noatime,nosuid,nodev,journal_async_commit"
cache_fifth = "wait,check"
for line in lines:
if re.search(r"^/dev[a-zA-Z0-9/\._-]+\s+/raw-system\s+.*$", line):
if "/raw-system" in partition_config.target_cache:
r = re.search(r"^([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)", line)
line = "%s %s %s %s %s\n" % (r.groups()[0], r.groups()[1], r.groups()[2], cache_fourth, cache_fifth)
buf += fileio.encode(line)
elif re.search(r"^/dev[^\s]+\s+/raw-cache\s+.*$", line):
if "/raw-cache" in partition_config.target_system:
# /raw-cache needs to always be mounted rw so OpenDelta can write to
# /cache/recovery
args = system_fourth
if "ro" in args:
args = re.sub("ro", "rw", args)
else:
args = "rw," + args
r = re.search(r"^([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)", line)
line = "%s %s %s %s %s\n" % (r.groups()[0], r.groups()[1], r.groups()[2], args, system_fifth)
buf += fileio.encode(line)
elif re.search(r"^/dev[^\s]+\s+/raw-data\s+.*$", line):
if "/raw-data" in partition_config.target_system:
r = re.search(r"^([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)", line)
line = "%s %s %s %s %s\n" % (r.groups()[0], r.groups()[1], r.groups()[2], system_fourth, system_fifth)
buf += fileio.encode(line)
else:
buf += fileio.encode(line)
cpioentry.set_content(buf)
def modify_init_rc(cpiofile):
cpioentry = cpiofile.get_file('init.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
previous_line = ""
for line in lines:
if version == 'kk44' \
and re.search(r"mount.*/system", line) \
and re.search(r"on\s+charger", previous_line):
buf += fileio.encode(" mount_all fstab.jgedlte\n")
buf += fileio.encode(" " + common.EXEC_MOUNT)
else:
buf += fileio.encode(line)
previous_line = line
cpioentry.content = buf
def modify_init_qcom_rc(cpiofile, additional=None):
files = ['init.qcom.rc']
if additional:
files.extend(additional)
for f in files:
cpioentry = cpiofile.get_file(f)
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
# Change /data/media to /raw-data/media
if re.search(r"/data/media(\s|$)", line):
buf += fileio.encode(
re.sub('/data/media', '/raw-data/media', line))
else:
buf += fileio.encode(line)
cpioentry.content = buf
def modify_ueventd_qcom_rc(cpiofile):
if version != 'kk44':
return
cpioentry = cpiofile.get_file('ueventd.qcom.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
# More funny business: even with mm-qcamera-daemon running as root,
# the daemon and the default camera application are unable access the
# camera hardware unless it's writable to everyone. Baffles me...
#
# More, more funny business: chmod'ing the /dev/video* devices to
# anything while mm-qcamera-daemon is running causes a kernel panic.
# **Wonderful** /s
if '/dev/video*' in line:
buf += fileio.encode(line.replace('0660', '0666'))
elif '/dev/media*' in line:
buf += fileio.encode(line.replace('0660', '0666'))
elif '/dev/v4l-subdev*' in line:
buf += fileio.encode(line.replace('0660', '0666'))
elif '/dev/msm_camera/*' in line:
buf += fileio.encode(line.replace('0660', '0666'))
# Bah... even with the daemon running as root, it can't access the
# hardware encoder
elif '/dev/msm_vidc_enc' in line:
buf += fileio.encode(line.replace('0660', '0666'))
else:
buf += fileio.encode(line)
buf += fileio.encode('/dev/ion 0666 system system\n')
cpioentry.content = buf
def modify_init_rc(cpiofile):
cpioentry = cpiofile.get_file('init.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
previous_line = ""
for line in lines:
if 'export ANDROID_ROOT' in line:
buf += fileio.encode(line)
buf += fileio.encode(fileio.whitespace(line) + "export ANDROID_CACHE /cache\n")
elif re.search(r"mkdir /system(\s|$)", line):
buf += fileio.encode(line)
buf += fileio.encode(re.sub("/system", "/raw-system", line))
elif re.search(r"mkdir /data(\s|$)", line):
buf += fileio.encode(line)
buf += fileio.encode(re.sub("/data", "/raw-data", line))
elif re.search(r"mkdir /cache(\s|$)", line):
buf += fileio.encode(line)
buf += fileio.encode(re.sub("/cache", "/raw-cache", line))
elif 'yaffs2' in line:
buf += fileio.encode(re.sub(r"^", "#", line))
elif version == 'kk44' \
and re.search(r"mount.*/system", line) \
and re.search(r"on\s+charger", previous_line):
buf += fileio.encode(" mount_all fstab.jgedlte\n")
buf += fileio.encode(" exec /sbin/busybox-static sh /init.multiboot.mounting.sh\n")
else:
buf += fileio.encode(line)
previous_line = line
cpioentry.set_content(buf)
def modify_ueventd_qcom_rc(cpiofile):
if version != 'kk44':
return
cpioentry = cpiofile.get_file('ueventd.qcom.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
for line in lines:
# More funny business: even with mm-qcamera-daemon running as root,
# the daemon and the default camera application are unable access the
# camera hardware unless it's writable to everyone. Baffles me...
#
# More, more funny business: chmod'ing the /dev/video* devices to
# anything while mm-qcamera-daemon is running causes a kernel panic.
# **Wonderful** /s
if '/dev/video*' in line:
buf += fileio.encode(line.replace('0660', '0666'))
elif '/dev/media*' in line:
buf += fileio.encode(line.replace('0660', '0666'))
elif '/dev/v4l-subdev*' in line:
buf += fileio.encode(line.replace('0660', '0666'))
elif '/dev/msm_camera/*' in line:
buf += fileio.encode(line.replace('0660', '0666'))
# Bah... even with the daemon running as root, it can't access the
# hardware encoder
elif '/dev/msm_vidc_enc' in line:
buf += fileio.encode(line.replace('0660', '0666'))
else:
buf += fileio.encode(line)
buf += fileio.encode('/dev/ion 0666 system system\n')
cpioentry.content = buf
def modify_init_target_rc(cpiofile):
cpioentry = cpiofile.get_file('init.target.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
previous_line = ""
for line in lines:
if re.search(r"^\s+wait\s+/dev/.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif re.search(r"^\s+check_fs\s+/dev/.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif re.search(r"^\s+mount\s+ext4\s+/dev/.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif re.search(r"^\s+mount_all\s+fstab.qcom.*$", line) and \
re.search(r"^on\s+fs\s*$", previous_line):
buf += fileio.encode(line)
buf += fileio.encode(fileio.whitespace(line) + "exec /sbin/busybox-static sh /init.multiboot.mounting.sh\n")
elif re.search(r"^\s+setprop\s+ro.crypto.fuse_sdcard\s+true", line):
buf += fileio.encode(line)
if move_apnhlos_mount:
buf += fileio.encode(fileio.whitespace(line) + "wait /dev/block/platform/msm_sdcc.1/by-name/apnhlos\n")
buf += fileio.encode(fileio.whitespace(line) + "mount vfat /dev/block/platform/msm_sdcc.1/by-name/apnhlos /firmware ro shortname=lower,uid=1000,gid=1000,dmask=227,fmask=337\n")
if move_mdm_mount:
buf += fileio.encode(fileio.whitespace(line) + "wait /dev/block/platform/msm_sdcc.1/by-name/mdm\n")
buf += fileio.encode(fileio.whitespace(line) + "mount vfat /dev/block/platform/msm_sdcc.1/by-name/mdm /firmware-mdm ro shortname=lower,uid=1000,gid=1000,dmask=227,fmask=337\n")
else:
buf += fileio.encode(line)
previous_line = line
cpioentry.set_content(buf)
def modify_init_target_rc(cpiofile):
cpioentry = cpiofile.get_file('init.target.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
in_qcam = False
for line in lines:
if version == 'kk44' and \
re.search(r"^on\s+fs_selinux\s*$", line):
buf += fileio.encode(line)
buf += fileio.encode(" mount_all fstab.qcom\n")
buf += fileio.encode(" " + common.EXEC_MOUNT)
elif re.search(r"^.*setprop.*selinux.reload_policy.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif version == 'kk44' and \
line.startswith('service'):
in_qcam = 'qcamerasvr' in line
buf += fileio.encode(line)
# This is not exactly safe, but it's the best we can do. TouchWiz is
# doing some funny business where a process running under a certain
# user or group (confirmed by /proc/<pid>/status) cannot access files
# by that group. Not only that, mm-qcamera-daemon doesn't work if the
# process has multiple groups and root is not the primary group. Oh
# well, I'm done debugging proprietary binaries.
elif in_qcam and re.search(r'^\s*user', line):
buf += fileio.encode(fileio.whitespace(line) + 'user root\n')
elif in_qcam and re.search(r'^\s*group', line):
buf += fileio.encode(fileio.whitespace(line) + 'group root\n')
else:
buf += fileio.encode(line)
cpioentry.content = buf
def modify_init_target_rc(cpiofile):
cpioentry = cpiofile.get_file('init.target.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
in_qcam = False
for line in lines:
if version == 'kk44' and \
re.search(r"^on\s+fs_selinux\s*$", line):
buf += fileio.encode(line)
buf += fileio.encode(" mount_all fstab.qcom\n")
buf += fileio.encode(" " + common.EXEC_MOUNT)
elif re.search(r"^.*setprop.*selinux.reload_policy.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif version == 'kk44' and \
line.startswith('service'):
in_qcam = 'qcamerasvr' in line
buf += fileio.encode(line)
# This is not exactly safe, but it's the best we can do. TouchWiz is
# doing some funny business where a process running under a certain
# user or group (confirmed by /proc/<pid>/status) cannot access files
# by that group. Not only that, mm-qcamera-daemon doesn't work if the
# process has multiple groups and root is not the primary group. Oh
# well, I'm done debugging proprietary binaries.
elif in_qcam and re.search(r'^\s*user', line):
buf += fileio.encode(fileio.whitespace(line) + 'user root\n')
elif in_qcam and re.search(r'^\s*group', line):
buf += fileio.encode(fileio.whitespace(line) + 'group root\n')
else:
buf += fileio.encode(line)
cpioentry.content = buf
def modify_init_g2_rc(cpiofile):
cpioentry = cpiofile.get_file('init.g2.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
previous_line = ""
for line in lines:
if re.search(r"^\s+mount_all\s+./fstab.g2.*$", line) and \
re.search(r"^on\s+fs\s*$", previous_line):
buf += fileio.encode(line)
buf += fileio.encode(fileio.whitespace(line) + "exec /sbin/busybox-static sh /init.multiboot.mounting.sh\n")
# Change /data/media to /raw-data/media
elif re.search(r"/data/media(\s|$)", line):
buf += fileio.encode(re.sub('/data/media', '/raw-data/media', line))
else:
buf += fileio.encode(line)
previous_line = line
cpioentry.set_content(buf)
def modify_init_target_rc(cpiofile):
cpioentry = cpiofile.get_file('init.target.rc')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
previous_line = ""
for line in lines:
if re.search(r"^\s+wait\s+/dev/.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif re.search(r"^\s+check_fs\s+/dev/.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif re.search(r"^\s+mount\s+ext4\s+/dev/.*/cache.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
elif version == 'kk44' and \
re.search(r"^on\s+fs_selinux\s*$", line):
buf += fileio.encode(line)
buf += fileio.encode(" mount_all fstab.qcom\n")
buf += fileio.encode(" exec /sbin/busybox-static sh /init.multiboot.mounting.sh\n")
elif re.search(r"^\s+mount_all\s+fstab.qcom.*$", line) and \
re.search(r"^on\s+fs(_selinux)?.*$", previous_line):
buf += fileio.encode(line)
buf += fileio.encode(fileio.whitespace(line) + "exec /sbin/busybox-static sh /init.multiboot.mounting.sh\n")
elif re.search(r"^.*setprop.*selinux.reload_policy.*$", line):
buf += fileio.encode(re.sub(r"^", "#", line))
else:
buf += fileio.encode(line)
previous_line = line
cpioentry.set_content(buf)
def modify_fstab(cpiofile, partition_config,
additional=None,
force_system_rw=False,
force_cache_rw=False,
force_data_rw=False,
keep_mountpoints=False,
system_mountpoint='/system',
cache_mountpoint='/cache',
data_mountpoint='/data',
default_system_mountargs='ro,barrier=1,errors=panic',
default_system_voldargs='wait',
default_cache_mountargs='nosuid,nodev,barrier=1',
default_cache_voldargs='wait,check'):
move_apnhlos_mount = False
move_mdm_mount = False
fstabs = list()
for m in cpiofile.members:
if m.name.startswith('fstab.'):
fstabs.append(m.name)
if additional:
fstabs.extend(additional)
for fstab in fstabs:
cpioentry = cpiofile.get_file(fstab)
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
mount_line = '%s%s %s %s %s %s\n'
# For Android 4.2 ROMs
has_cache_line = False
# Find mount options and vold options for the system and cache
# partitions
system_mountargs = dict()
system_voldargs = dict()
cache_mountargs = dict()
cache_voldargs = dict()
for line in lines:
m = re.search(common.FSTAB_REGEX, line)
if not m:
continue
comment = m.group(1)
blockdev = m.group(2)
mountpoint = m.group(3)
fstype = m.group(4)
mountargs = m.group(5)
voldargs = m.group(6)
if comment is None:
comment = ''
if blockdev == SYSTEM_PART:
system_mountargs[comment] = mountargs
system_voldargs[comment] = voldargs
elif blockdev == CACHE_PART:
cache_mountargs[comment] = mountargs
cache_voldargs[comment] = voldargs
# If, for whatever reason, these aren't in the fstab, then choose some
# sensible defaults
if not system_mountargs:
system_mountargs[''] = default_system_mountargs
if not system_voldargs:
system_voldargs[''] = default_system_voldargs
if not cache_mountargs:
cache_mountargs[''] = default_cache_mountargs
if not cache_voldargs:
cache_voldargs[''] = default_cache_voldargs
for line in lines:
m = re.search(common.FSTAB_REGEX, line)
if m:
comment = m.group(1)
blockdev = m.group(2)
mountpoint = m.group(3)
fstype = m.group(4)
mountargs = m.group(5)
voldargs = m.group(6)
if comment is None:
comment = ''
if m and blockdev == SYSTEM_PART and \
mountpoint == system_mountpoint:
if not keep_mountpoints:
mountpoint = '/raw-system'
if '/raw-system' in partition_config.target_cache:
cache_comment = difflib.get_close_matches(
comment, cache_mountargs, 1, 0)[0]
mountargs = cache_mountargs[cache_comment]
voldargs = cache_voldargs[cache_comment]
if force_system_rw:
mountargs = _make_writable(mountargs)
temp = mount_line % (comment, blockdev, mountpoint,
fstype, mountargs, voldargs)
buf += fileio.encode(temp)
elif m and blockdev == CACHE_PART and \
mountpoint == cache_mountpoint:
if not keep_mountpoints:
mountpoint = '/raw-cache'
has_cache_line = True
if '/raw-cache' in partition_config.target_system:
system_comment = difflib.get_close_matches(
comment, system_mountargs, 1, 0)[0]
mountargs = system_mountargs[system_comment]
voldargs = system_voldargs[system_comment]
if force_cache_rw:
mountargs = _make_writable(mountargs)
temp = mount_line % (comment, blockdev, mountpoint,
fstype, mountargs, voldargs)
buf += fileio.encode(temp)
elif m and blockdev == DATA_PART and \
mountpoint == data_mountpoint:
if not keep_mountpoints:
mountpoint = '/raw-data'
if '/raw-data' in partition_config.target_system:
system_comment = difflib.get_close_matches(
comment, system_mountargs, 1, 0)[0]
mountargs = system_mountargs[system_comment]
voldargs = system_voldargs[system_comment]
if force_data_rw:
mountargs = _make_writable(mountargs)
temp = mount_line % (comment, blockdev, mountpoint,
fstype, mountargs, voldargs)
buf += fileio.encode(temp)
elif m and blockdev == APNHLOS_PART:
move_apnhlos_mount = True
continue
elif m and blockdev == MDM_PART:
move_mdm_mount = True
continue
else:
buf += fileio.encode(line)
if not has_cache_line:
cache_line = '%s /raw-cache ext4 %s %s\n'
if '/raw-cache' in partition_config.target_system:
mountargs = system_mountargs['']
voldargs = system_voldargs['']
else:
mountargs = cache_mountargs['']
voldargs = cache_voldargs['']
buf += fileio.encode(cache_line %
(CACHE_PART, mountargs, voldargs))
cpioentry.content = buf
return (move_apnhlos_mount, move_mdm_mount)
def modify_fstab(cpiofile, partition_config):
cpioentry = cpiofile.get_file('fstab.qcom')
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
system_fourth = 'ro,barrier=1,errors=panic'
system_fifth = 'wait'
cache_fourth = 'nosuid,nodev,barrier=1'
cache_fifth = 'wait,check'
# For Android 4.2 ROMs
has_cache_line = False
for line in lines:
if re.search(r"^/dev[a-zA-Z0-9/\._-]+\s+/system\s+.*$", line):
temp = re.sub("\s/system\s", " /raw-system ", line)
if '/raw-system' in partition_config.target_cache:
r = re.search(r"^([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)", temp)
temp = "%s %s %s %s %s\n" % (r.groups()[0], r.groups()[1], r.groups()[2],
cache_fourth, cache_fifth)
buf += fileio.encode(temp)
elif re.search(r"^/dev[^\s]+\s+/cache\s+.*$", line):
temp = re.sub("\s/cache\s", " /raw-cache ", line)
has_cache_line = True
if '/raw-cache' in partition_config.target_system:
r = re.search(r"^([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)", temp)
temp = "%s %s %s %s %s\n" % (r.groups()[0], r.groups()[1], r.groups()[2],
system_fourth, system_fifth)
buf += fileio.encode(temp)
elif re.search(r"^/dev[^\s]+\s+/data\s+.*$", line):
temp = re.sub("\s/data\s", " /raw-data ", line)
if '/raw-data' in partition_config.target_system:
r = re.search(r"^([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)\s+([^\ ]+)", temp)
temp = "%s %s %s %s %s\n" % (r.groups()[0], r.groups()[1], r.groups()[2],
system_fourth, system_fifth)
buf += fileio.encode(temp)
elif re.search(r"^/dev/[^\s]+apnhlos\s", line):
global move_apnhlos_mount
move_apnhlos_mount = True
continue
elif re.search(r"^/dev/[^\s]+mdm\s", line):
global move_mdm_mount
move_mdm_mount = True
continue
else:
buf += fileio.encode(line)
if not has_cache_line:
if '/raw-cache' in partition_config.target_system:
buf += fileio.encode("/dev/block/platform/msm_sdcc.1/by-name/cache /raw-cache ext4 %s %s\n" % (system_fourth, system_fifth))
else:
buf += fileio.encode("/dev/block/platform/msm_sdcc.1/by-name/cache /raw-cache ext4 nosuid,nodev,barrier=1 wait,check\n")
cpioentry.set_content(buf)
def modify_fstab(cpiofile, partition_config):
# Ignore all contents for Google Edition
for i in ["fstab.qcom", "fstab.jgedlte"]:
cpioentry = cpiofile.get_file(i)
lines = fileio.bytes_to_lines(cpioentry.content)
buf = bytes()
if version == "kk44":
system = "/dev/block/platform/msm_sdcc.1/by-name/system /raw-system ext4 ro,barrier=1 wait\n"
cache = "/dev/block/platform/msm_sdcc.1/by-name/cache /raw-cache ext4 nosuid,nodev,barrier=1 wait,check\n"
data = "/dev/block/platform/msm_sdcc.1/by-name/userdata /raw-data ext4 nosuid,nodev,barrier=1,noauto_da_alloc wait,check,encryptable=footer\n"
system_fourth = "ro,barrier=1"
system_fifth = "wait"
cache_fourth = "nosuid,nodev,barrier=1"
cache_fifth = "wait,check"
elif version == "jb43":
system = "/dev/block/platform/msm_sdcc.1/by-name/system /raw-system ext4 ro,errors=panic wait\n"
cache = "/dev/block/platform/msm_sdcc.1/by-name/cache /raw-cache ext4 nosuid,nodev,barrier=1 wait,check\n"
data = "/dev/block/platform/msm_sdcc.1/by-name/userdata /raw-data ext4 nosuid,nodev,noatime,noauto_da_alloc,discard,journal_async_commit,errors=panic wait,check,encryptable=footer\n"
system_fourth = "ro,barrier=1,errors=panic"
system_fifth = "wait"
cache_fourth = "nosuid,nodev,barrier=1"
cache_fifth = "wait,check"
# Target cache on /system partition
target_cache_on_system = "/dev/block/platform/msm_sdcc.1/by-name/system /raw-system ext4 %s %s\n" % (
cache_fourth,
cache_fifth,
)
# Target system on /cache partition
target_system_on_cache = "/dev/block/platform/msm_sdcc.1/by-name/cache /raw-cache ext4 %s %s\n" % (
system_fourth,
system_fifth,
)
# Target system on /data partition
target_system_on_data = "/dev/block/platform/msm_sdcc.1/by-name/userdata /raw-data ext4 %s %s\n" % (
system_fourth,
system_fifth,
)
has_cache_line = False
for line in lines:
if re.search(r"^/dev[a-zA-Z0-9/\._-]+\s+/system\s+.*$", line):
if "/raw-system" in partition_config.target_cache:
buf += fileio.encode(target_cache_on_system)
else:
buf += fileio.encode(system)
elif re.search(r"^/dev[^\s]+\s+/cache\s+.*$", line):
if "/raw-cache" in partition_config.target_system:
buf += fileio.encode(target_system_on_cache)
else:
buf += fileio.encode(cache)
has_cache_line = True
elif re.search(r"^/dev[^\s]+\s+/data\s+.*$", line):
if "/raw-data" in partition_config.target_system:
buf += fileio.encode(target_system_on_data)
else:
buf += fileio.encode(data)
else:
buf += fileio.encode(line)
if not has_cache_line:
if "/raw-cache" in partition_config.target_system:
buf += fileio.encode(target_system_on_cache)
else:
buf += fileio.encode(cache)
cpioentry.set_content(buf)
def patch_boot_image(self):
path = self.file_info.filename
OS.ui.set_task(self.tasks['PATCHING_RAMDISK'])
tempdir = tempfile.mkdtemp()
self.tempdirs.append(tempdir)
OS.ui.details('Unpacking boot image ...')
try:
bootimageinfo = bootimage.extract(path, tempdir)
except bootimage.ExtractError as e:
OS.ui.failed(str(e))
return None
target_ramdisk = os.path.join(tempdir, 'ramdisk.cpio')
# Minicpio
OS.ui.details('Loading ramdisk with minicpio ...')
cf = minicpio.CpioFile()
with gzip.open(bootimageinfo.ramdisk, 'rb') as f:
cf.load(f.read())
os.remove(bootimageinfo.ramdisk)
OS.ui.details('Modifying ramdisk ...')
# Update
partconfig = self.find_partconfig(cf)
if partconfig and cf.get_file('init.multiboot.mounting.sh'):
temp = tempfile.mkstemp()
shutil.copyfile(
os.path.join(OS.ramdiskdir, 'init.multiboot.mounting.sh'),
temp[1]
)
autopatcher.insert_partition_info(
temp[1], partconfig, target_path_only=True
)
cf.add_file(temp[1], name='init.multiboot.mounting.sh',
perms=0o750)
os.close(temp[0])
os.remove(temp[1])
# Add syncdaemon to init.rc if it doesn't already exist
if not cf.get_file('sbin/syncdaemon'):
common.add_syncdaemon(cf)
else:
# Make sure 'oneshot' (added by previous versions) is removed
initrc = cf.get_file('init.rc')
lines = fileio.bytes_to_lines(initrc.content)
buf = bytes()
in_syncdaemon = False
for line in lines:
if line.startswith('service'):
in_syncdaemon = '/sbin/syncdaemon' in line
buf += fileio.encode(line)
elif in_syncdaemon and 'oneshot' in line:
continue
else:
buf += fileio.encode(line)
initrc.content = buf
# Copy syncdaemon
cf.add_file(
os.path.join(OS.ramdiskdir, 'syncdaemon'),
name='sbin/syncdaemon',
perms=0o750
)
# Create gzip compressed ramdisk
OS.ui.details('Creating gzip compressed ramdisk with minicpio ...')
target_ramdisk = target_ramdisk + ".gz"
with gzip.open(target_ramdisk, 'wb') as f_out:
data = cf.create()
if data is not None:
f_out.write(data)
else:
OS.ui.failed('Failed to create gzip compressed ramdisk')
return None
OS.ui.details('Running mkbootimg ...')
bootimageinfo.ramdisk = target_ramdisk
new_boot_image = tempfile.mkstemp()
try:
bootimage.create(bootimageinfo, new_boot_image[1])
except bootimage.CreateError as e:
OS.ui.failed('Failed to create boot image: ' + str(e))
os.close(new_boot_image[0])
os.remove(new_boot_image[1])
return None
os.remove(target_ramdisk)
os.close(new_boot_image[0])
return new_boot_image[1]
def patch_boot_image(self):
path = self.file_info.filename
OS.ui.set_task(self.tasks['PATCHING_RAMDISK'])
tempdir = tempfile.mkdtemp()
self.tempdirs.append(tempdir)
OS.ui.details('Unpacking boot image ...')
try:
bootimageinfo = bootimage.extract(path, tempdir)
except bootimage.ExtractError as e:
OS.ui.failed(str(e))
return None
target_ramdisk = os.path.join(tempdir, 'ramdisk.cpio')
# Minicpio
OS.ui.details('Loading ramdisk with minicpio ...')
cf = minicpio.CpioFile()
with gzip.open(bootimageinfo.ramdisk, 'rb') as f:
cf.load(f.read())
os.remove(bootimageinfo.ramdisk)
OS.ui.details('Modifying ramdisk ...')
# Update
partconfig = self.find_partconfig(cf)
if partconfig and cf.get_file('init.multiboot.mounting.sh'):
temp = tempfile.mkstemp()
shutil.copyfile(
os.path.join(OS.ramdiskdir, 'init.multiboot.mounting.sh'),
temp[1])
autopatcher.insert_partition_info(temp[1],
partconfig,
target_path_only=True)
cf.add_file(temp[1],
name='init.multiboot.mounting.sh',
perms=0o750)
os.close(temp[0])
os.remove(temp[1])
# Add syncdaemon to init.rc if it doesn't already exist
if not cf.get_file('sbin/syncdaemon'):
common.add_syncdaemon(cf)
else:
# Make sure 'oneshot' (added by previous versions) is removed
initrc = cf.get_file('init.rc')
lines = fileio.bytes_to_lines(initrc.content)
buf = bytes()
in_syncdaemon = False
for line in lines:
if line.startswith('service'):
in_syncdaemon = '/sbin/syncdaemon' in line
buf += fileio.encode(line)
elif in_syncdaemon and 'oneshot' in line:
continue
else:
buf += fileio.encode(line)
initrc.content = buf
# Copy syncdaemon
cf.add_file(os.path.join(OS.ramdiskdir, 'syncdaemon'),
name='sbin/syncdaemon',
perms=0o750)
# Create gzip compressed ramdisk
OS.ui.details('Creating gzip compressed ramdisk with minicpio ...')
target_ramdisk = target_ramdisk + ".gz"
with gzip.open(target_ramdisk, 'wb') as f_out:
data = cf.create()
if data is not None:
f_out.write(data)
else:
OS.ui.failed('Failed to create gzip compressed ramdisk')
return None
OS.ui.details('Running mkbootimg ...')
bootimageinfo.ramdisk = target_ramdisk
new_boot_image = tempfile.mkstemp()
try:
bootimage.create(bootimageinfo, new_boot_image[1])
except bootimage.CreateError as e:
OS.ui.failed('Failed to create boot image: ' + str(e))
os.close(new_boot_image[0])
os.remove(new_boot_image[1])
return None
os.remove(target_ramdisk)
os.close(new_boot_image[0])
return new_boot_image[1]