More adaptation for Novaler4k Pro

** apply aggressive autopep8 on all files
** add condition for novaler4kpro in extract.py
** add receiver icon for novaler4kpro
** fix mounting internal storage for novaler4k pro
** other minor fixes
This commit is contained in:
ahmedmoselhi
2025-10-30 02:18:32 -04:00
parent 26c23c98aa
commit 7d9c6406e4
73 changed files with 15183 additions and 8565 deletions

File diff suppressed because it is too large Load Diff

View File

@@ -1,4 +1,3 @@
#!/usr/bin/python
import re
from ubi.volume import get_volumes
from ubi.block import sort, get_blocks_in_list, extract_blocks
@@ -16,7 +15,7 @@ class ubi:
self._blocks = extract_blocks(self)
self._block_count = len(self.blocks)
if self._block_count <= 0:
raise Exception('No blocks found.')
raise Exception("No blocks found.")
layout_list, data_list, int_vol_list, unknown_list = sort.by_type(
self.blocks)
self._layout_blocks_list = layout_list
@@ -28,7 +27,8 @@ class ubi:
self._leb_size = self.file.block_size - arbitrary_block.ec_hdr.data_offset
layout_pairs = layout.group_pairs(self.blocks, self.layout_blocks_list)
layout_infos = layout.associate_blocks(
self.blocks, layout_pairs, self.first_peb_num)
self.blocks, layout_pairs, self.first_peb_num
)
self._images = []
for i in range(0, len(layout_infos)):
self._images.append(image(self.blocks, layout_infos[i]))
@@ -96,14 +96,14 @@ class ubi:
blocks = property(_get_blocks)
def display(self, tab=''):
def display(self, tab=""):
display.ubi(self, tab)
def get_peb_size(path):
file_offset = 0
offsets = []
f = open(path, 'rb')
f = open(path, "rb")
f.seek(0, 2)
file_size = f.tell() + 1
f.seek(0)
@@ -125,7 +125,7 @@ def get_peb_size(path):
for i in range(0, len(offsets)):
try:
diff = offsets[i] - offsets[i - 1]
except:
except BaseException:
diff = offsets[i]
if diff not in occurances:

View File

@@ -1,4 +1,3 @@
#!/usr/bin/python
import re
from ubi import display
from ubi.defines import *
@@ -18,7 +17,11 @@ class description(object):
self.ec_hdr = extract_ec_hdr(block_buf[0:UBI_EC_HDR_SZ])
if not self.ec_hdr.errors:
self.vid_hdr = extract_vid_hdr(
block_buf[self.ec_hdr.vid_hdr_offset:self.ec_hdr.vid_hdr_offset + UBI_VID_HDR_SZ])
block_buf[
self.ec_hdr.vid_hdr_offset: self.ec_hdr.vid_hdr_offset
+ UBI_VID_HDR_SZ
]
)
self.is_internal_vol = self.vid_hdr.vol_id >= UBI_INTERNAL_VOL_START
if self.vid_hdr.vol_id >= UBI_INTERNAL_VOL_START:
self.vtbl_recs = extract_vtbl_rec(
@@ -29,9 +32,9 @@ class description(object):
return
def __repr__(self):
return 'Block: PEB# %s: LEB# %s' % (self.peb_num, self.leb_num)
return "Block: PEB# %s: LEB# %s" % (self.peb_num, self.leb_num)
def display(self, tab=''):
def display(self, tab=""):
display.block(self, tab)
@@ -45,7 +48,10 @@ def extract_blocks(ubi):
ubi.file.seek(ubi.file.start_offset)
peb_count = 0
cur_offset = 0
for i in range(ubi.file.start_offset, ubi.file.end_offset, ubi.file.block_size):
for i in range(
ubi.file.start_offset,
ubi.file.end_offset,
ubi.file.block_size):
buf = ubi.file.read(ubi.file.block_size)
if buf.startswith(UBI_EC_HDR_MAGIC):
blk = description(buf)

View File

@@ -1,4 +1,3 @@
#!/usr/bin/python
from ubi.block import sort

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@@ -1,4 +1,3 @@
#!/usr/bin/python
def list_by_list(blist, slist):
slist_blocks = []
for block in blist:
@@ -24,11 +23,11 @@ def by_range(blocks, block_range):
def by_leb(blocks):
slist_len = len(blocks)
slist = ['x'] * slist_len
slist = ["x"] * slist_len
for block in blocks:
if blocks[block].leb_num >= slist_len:
add_elements = blocks[block].leb_num - slist_len + 1
slist += ['x'] * add_elements
slist += ["x"] * add_elements
slist_len = len(slist)
slist[blocks[block].leb_num] = block
@@ -78,7 +77,4 @@ def by_type(blocks, slist=None):
else:
unknown.append(i)
return (layout,
data,
int_vol,
unknown)
return (layout, data, int_vol, unknown)

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@@ -1,63 +1,64 @@
#!/usr/bin/python
import struct
UBI_CRC32_INIT = 4294967295
UBI_MAX_VOLUMES = 128
UBI_INTERNAL_VOL_START = 2147479551
UBI_EC_HDR_MAGIC = 'UBI#'
EC_HDR_FORMAT = '>4sB3sQIII32sI'
EC_HDR_FIELDS = ['magic',
'version',
'padding',
'ec',
'vid_hdr_offset',
'data_offset',
'image_seq',
'padding2',
'hdr_crc']
UBI_EC_HDR_MAGIC = "UBI#"
EC_HDR_FORMAT = ">4sB3sQIII32sI"
EC_HDR_FIELDS = [
"magic",
"version",
"padding",
"ec",
"vid_hdr_offset",
"data_offset",
"image_seq",
"padding2",
"hdr_crc",
]
UBI_EC_HDR_SZ = struct.calcsize(EC_HDR_FORMAT)
UBI_VID_HDR_MAGIC = 'UBI!'
VID_HDR_FORMAT = '>4sBBBBII4sIIII4sQ12sI'
VID_HDR_FIELDS = ['magic',
'version',
'vol_type',
'copy_flag',
'compat',
'vol_id',
'lnum',
'padding',
'data_size',
'used_ebs',
'data_pad',
'data_crc',
'padding2',
'sqnum',
'padding3',
'hdr_crc']
UBI_VID_HDR_MAGIC = "UBI!"
VID_HDR_FORMAT = ">4sBBBBII4sIIII4sQ12sI"
VID_HDR_FIELDS = [
"magic",
"version",
"vol_type",
"copy_flag",
"compat",
"vol_id",
"lnum",
"padding",
"data_size",
"used_ebs",
"data_pad",
"data_crc",
"padding2",
"sqnum",
"padding3",
"hdr_crc",
]
UBI_VID_HDR_SZ = struct.calcsize(VID_HDR_FORMAT)
VTBL_REC_FORMAT = '>IIIBBH128sB23sI'
VTBL_REC_FIELDS = ['reserved_pebs',
'alignment',
'data_pad',
'vol_type',
'upd_marker',
'name_len',
'name',
'flags',
'padding',
'crc']
VTBL_REC_FORMAT = ">IIIBBH128sB23sI"
VTBL_REC_FIELDS = [
"reserved_pebs",
"alignment",
"data_pad",
"vol_type",
"upd_marker",
"name_len",
"name",
"flags",
"padding",
"crc",
]
UBI_VTBL_REC_SZ = struct.calcsize(VTBL_REC_FORMAT)
UBI_VID_DYNAMIC = 1
UBI_VID_STATIC = 2
PRINT_VOL_TYPE_LIST = [0, 'dynamic', 'static']
PRINT_VOL_TYPE_LIST = [0, "dynamic", "static"]
UBI_VTBL_AUTORESIZE_FLG = 1
UBI_COMPAT_DELETE = 1
UBI_COMPAT_RO = 2
UBI_COMPAT_PRESERVE = 4
UBI_COMPAT_REJECT = 5
PRINT_COMPAT_LIST = [0,
'Delete',
'Read Only',
0,
'Preserve',
'Reject']
PRINT_COMPAT_LIST = [0, "Delete", "Read Only", 0, "Preserve", "Reject"]
FILE_CHUNK_SZ = 5242880

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@@ -1,111 +1,111 @@
#!/usr/bin/python
from ubi.defines import PRINT_COMPAT_LIST, PRINT_VOL_TYPE_LIST, UBI_VTBL_AUTORESIZE_FLG
def ubi(ubi, tab=''):
print(('%sUBI File' % tab))
print(('%s---------------------' % tab))
print(('\t%sMin I/O: %s' % (tab, ubi.min_io_size)))
print(('\t%sLEB Size: %s' % (tab, ubi.leb_size)))
print(('\t%sPEB Size: %s' % (tab, ubi.peb_size)))
print(('\t%sTotal Block Count: %s' % (tab, ubi.block_count)))
print(('\t%sData Block Count: %s' % (tab, len(ubi.data_blocks_list))))
print(('\t%sLayout Block Count: %s' % (tab, len(ubi.layout_blocks_list))))
print(('\t%sInternal Volume Block Count: %s' %
def ubi(ubi, tab=""):
print(("%sUBI File" % tab))
print(("%s---------------------" % tab))
print(("\t%sMin I/O: %s" % (tab, ubi.min_io_size)))
print(("\t%sLEB Size: %s" % (tab, ubi.leb_size)))
print(("\t%sPEB Size: %s" % (tab, ubi.peb_size)))
print(("\t%sTotal Block Count: %s" % (tab, ubi.block_count)))
print(("\t%sData Block Count: %s" % (tab, len(ubi.data_blocks_list))))
print(("\t%sLayout Block Count: %s" % (tab, len(ubi.layout_blocks_list))))
print(("\t%sInternal Volume Block Count: %s" %
(tab, len(ubi.int_vol_blocks_list))))
print(('\t%sUnknown Block Count: %s' % (tab, len(ubi.unknown_blocks_list))))
print(('\t%sFirst UBI PEB Number: %s' % (tab, ubi.first_peb_num)))
print(("\t%sUnknown Block Count: %s" %
(tab, len(ubi.unknown_blocks_list))))
print(("\t%sFirst UBI PEB Number: %s" % (tab, ubi.first_peb_num)))
def image(image, tab=''):
print(('%s%s' % (tab, image)))
print(('%s---------------------' % tab))
print(('\t%sImage Sequence Num: %s' % (tab, image.image_seq)))
def image(image, tab=""):
print(("%s%s" % (tab, image)))
print(("%s---------------------" % tab))
print(("\t%sImage Sequence Num: %s" % (tab, image.image_seq)))
for volume in image.volumes:
print(('\t%sVolume Name:%s' % (tab, volume)))
print(("\t%sVolume Name:%s" % (tab, volume)))
print(('\t%sPEB Range: %s - %s' %
(tab, image.peb_range[0], image.peb_range[1])))
print(("\t%sPEB Range: %s - %s" %
(tab, image.peb_range[0], image.peb_range[1])))
def volume(volume, tab=''):
print(('%s%s' % (tab, volume)))
print(('%s---------------------' % tab))
print(('\t%sVol ID: %s' % (tab, volume.vol_id)))
print(('\t%sName: %s' % (tab, volume.name)))
print(('\t%sBlock Count: %s' % (tab, volume.block_count)))
print('\n')
print(('\t%sVolume Record' % tab))
print(('\t%s---------------------' % tab))
vol_rec(volume.vol_rec, '\t\t%s' % tab)
print('\n')
def volume(volume, tab=""):
print(("%s%s" % (tab, volume)))
print(("%s---------------------" % tab))
print(("\t%sVol ID: %s" % (tab, volume.vol_id)))
print(("\t%sName: %s" % (tab, volume.name)))
print(("\t%sBlock Count: %s" % (tab, volume.block_count)))
print("\n")
print(("\t%sVolume Record" % tab))
print(("\t%s---------------------" % tab))
vol_rec(volume.vol_rec, "\t\t%s" % tab)
print("\n")
def block(block, tab='\t'):
print(('%s%s' % (tab, block)))
print(('%s---------------------' % tab))
print(('\t%sFile Offset: %s' % (tab, block.file_offset)))
print(('\t%sPEB #: %s' % (tab, block.peb_num)))
print(('\t%sLEB #: %s' % (tab, block.leb_num)))
print(('\t%sBlock Size: %s' % (tab, block.size)))
print(('\t%sInternal Volume: %s' % (tab, block.is_internal_vol)))
print(('\t%sIs Volume Table: %s' % (tab, block.is_vtbl)))
print(('\t%sIs Valid: %s' % (tab, block.is_valid)))
def block(block, tab="\t"):
print(("%s%s" % (tab, block)))
print(("%s---------------------" % tab))
print(("\t%sFile Offset: %s" % (tab, block.file_offset)))
print(("\t%sPEB #: %s" % (tab, block.peb_num)))
print(("\t%sLEB #: %s" % (tab, block.leb_num)))
print(("\t%sBlock Size: %s" % (tab, block.size)))
print(("\t%sInternal Volume: %s" % (tab, block.is_internal_vol)))
print(("\t%sIs Volume Table: %s" % (tab, block.is_vtbl)))
print(("\t%sIs Valid: %s" % (tab, block.is_valid)))
if not block.ec_hdr.errors:
print('\n')
print(('\t%sErase Count Header' % tab))
print(('\t%s---------------------' % tab))
ec_hdr(block.ec_hdr, '\t\t%s' % tab)
print("\n")
print(("\t%sErase Count Header" % tab))
print(("\t%s---------------------" % tab))
ec_hdr(block.ec_hdr, "\t\t%s" % tab)
if block.vid_hdr and not block.vid_hdr.errors:
print('\n')
print(('\t%sVID Header Header' % tab))
print(('\t%s---------------------' % tab))
vid_hdr(block.vid_hdr, '\t\t%s' % tab)
print("\n")
print(("\t%sVID Header Header" % tab))
print(("\t%s---------------------" % tab))
vid_hdr(block.vid_hdr, "\t\t%s" % tab)
if block.vtbl_recs:
print('\n')
print(('\t%sVolume Records' % tab))
print(('\t%s---------------------' % tab))
print("\n")
print(("\t%sVolume Records" % tab))
print(("\t%s---------------------" % tab))
for vol in block.vtbl_recs:
vol_rec(vol, '\t\t%s' % tab)
vol_rec(vol, "\t\t%s" % tab)
print('\n')
print("\n")
def ec_hdr(ec_hdr, tab=''):
def ec_hdr(ec_hdr, tab=""):
for key, value in ec_hdr:
if key == 'errors':
value = ','.join(value)
print(('%s%s: %r' % (tab, key, value)))
if key == "errors":
value = ",".join(value)
print(("%s%s: %r" % (tab, key, value)))
def vid_hdr(vid_hdr, tab=''):
def vid_hdr(vid_hdr, tab=""):
for key, value in vid_hdr:
if key == 'errors':
value = ','.join(value)
elif key == 'compat':
if key == "errors":
value = ",".join(value)
elif key == "compat":
if value in PRINT_COMPAT_LIST:
value = PRINT_COMPAT_LIST[value]
else:
value = -1
elif key == 'vol_type':
elif key == "vol_type":
if value < len(PRINT_VOL_TYPE_LIST):
value = PRINT_VOL_TYPE_LIST[value]
else:
value = -1
print(('%s%s: %s' % (tab, key, value)))
print(("%s%s: %s" % (tab, key, value)))
def vol_rec(vol_rec, tab=''):
def vol_rec(vol_rec, tab=""):
for key, value in vol_rec:
if key == 'errors':
value = ','.join(value)
elif key == 'vol_type':
if key == "errors":
value = ",".join(value)
elif key == "vol_type":
if value < len(PRINT_VOL_TYPE_LIST):
value = PRINT_VOL_TYPE_LIST[value]
else:
value = -1
elif key == 'flags' and value == UBI_VTBL_AUTORESIZE_FLG:
value = 'autoresize'
elif key == 'name':
value = value.strip('\x00')
print(('%s%s: %s' % (tab, key, value)))
elif key == "flags" and value == UBI_VTBL_AUTORESIZE_FLG:
value = "autoresize"
elif key == "name":
value = value.strip("\x00")
print(("%s%s: %s" % (tab, key, value)))

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@@ -1,4 +1,3 @@
#!/usr/bin/python
import struct
from ubi.defines import *
from ubi.headers import errors
@@ -12,14 +11,14 @@ class ec_hdr(object):
for key in fields:
setattr(self, key, fields[key])
setattr(self, 'errors', [])
setattr(self, "errors", [])
def __repr__(self):
return 'Error Count Header'
return "Error Count Header"
def __iter__(self):
for key in dir(self):
if not key.startswith('_'):
if not key.startswith("_"):
yield (key, getattr(self, key))
@@ -31,15 +30,15 @@ class vid_hdr(object):
for key in fields:
setattr(self, key, fields[key])
setattr(self, 'errors', [])
setattr(self, "errors", [])
def __iter__(self):
for key in dir(self):
if not key.startswith('_'):
if not key.startswith("_"):
yield (key, getattr(self, key))
def __repr__(self):
return 'VID Header'
return "VID Header"
class vtbl_rec(object):
@@ -50,15 +49,15 @@ class vtbl_rec(object):
for key in fields:
setattr(self, key, fields[key])
setattr(self, 'errors', [])
setattr(self, 'rec_index', -1)
setattr(self, "errors", [])
setattr(self, "rec_index", -1)
def __repr__(self):
return 'Volume Table Record: %s' % getattr(self, 'name')
return "Volume Table Record: %s" % getattr(self, "name")
def __iter__(self):
for key in dir(self):
if not key.startswith('_'):
if not key.startswith("_"):
yield (key, getattr(self, key))
@@ -79,10 +78,10 @@ def extract_vid_hdr(buf):
def extract_vtbl_rec(buf):
data_buf = buf
vtbl_recs = []
vtbl_rec_ret = ''
vtbl_rec_ret = ""
for i in range(0, UBI_MAX_VOLUMES):
offset = i * UBI_VTBL_REC_SZ
vtbl_rec_buf = data_buf[offset:offset + UBI_VTBL_REC_SZ]
vtbl_rec_buf = data_buf[offset: offset + UBI_VTBL_REC_SZ]
if len(vtbl_rec_buf) == UBI_VTBL_REC_SZ:
vtbl_rec_ret = vtbl_rec(vtbl_rec_buf)
errors.vtbl_rec(vtbl_rec_ret, vtbl_rec_buf)

View File

@@ -1,29 +1,28 @@
#!/usr/bin/python
from zlib import crc32
from ubi.defines import *
def ec_hdr(ec_hdr, buf):
if ec_hdr.hdr_crc != ~crc32(buf[:-4]) & 4294967295:
ec_hdr.errors.append('crc')
ec_hdr.errors.append("crc")
return ec_hdr
def vid_hdr(vid_hdr, buf):
vid_hdr.errors = []
if vid_hdr.hdr_crc != ~crc32(buf[:-4]) & 4294967295:
vid_hdr.errors.append('crc')
vid_hdr.errors.append("crc")
return vid_hdr
def vtbl_rec(vtbl_rec, buf):
likely_vtbl = True
if vtbl_rec.name_len != len(vtbl_rec.name.strip('\x00')):
if vtbl_rec.name_len != len(vtbl_rec.name.strip("\x00")):
likely_vtbl = False
elif vtbl_rec.vol_type not in (1, 2):
likely_vtbl = False
if vtbl_rec.crc != ~crc32(buf[:-4]) & 4294967295:
vtbl_rec.errors.append('crc')
vtbl_rec.errors.append("crc")
if not likely_vtbl:
vtbl_rec.errors = ['False']
vtbl_rec.errors = ["False"]
return vtbl_rec

View File

@@ -1,4 +1,3 @@
#!/usr/bin/python
from ubi import display
from ubi.volume import get_volumes
from ubi.block import get_blocks_in_list
@@ -15,10 +14,12 @@ class description(object):
self._volumes = get_volumes(blocks, layout_info)
def __repr__(self):
return 'Image: %s' % self.image_seq
return "Image: %s" % self.image_seq
def get_blocks(self, blocks):
return get_blocks_in_list(blocks, list(range(self._start_peb, self._end_peb + 1)))
return get_blocks_in_list(
blocks, list(range(self._start_peb, self._end_peb + 1))
)
def _get_peb_range(self):
return [self._start_peb, self._end_peb]
@@ -35,5 +36,5 @@ class description(object):
volumes = property(_get_volumes)
def display(self, tab=''):
def display(self, tab=""):
display.image(self, tab)

View File

@@ -1,4 +1,3 @@
#!/usr/bin/python
from ubi import display
from ubi.block import sort, get_blocks_in_list
@@ -12,7 +11,7 @@ class description(object):
self._block_list = block_list
def __repr__(self):
return 'Volume: %s' % self.name
return "Volume: %s" % self.name
def _get_name(self):
return self._name
@@ -42,15 +41,15 @@ class description(object):
def get_blocks(self, blocks):
return get_blocks_in_list(blocks, self._block_list)
def display(self, tab=''):
def display(self, tab=""):
display.volume(self, tab)
def reader(self, ubi):
last_leb = 0
for block in sort.by_leb(self.get_blocks(ubi.blocks)):
if block == 'x':
if block == "x":
last_leb += 1
yield '\xff' * ubi.leb_size
yield "\xff" * ubi.leb_size
else:
last_leb += 1
yield ubi.file.read_block_data(ubi.blocks[block])
@@ -60,10 +59,11 @@ def get_volumes(blocks, layout_info):
volumes = {}
vol_blocks_lists = sort.by_vol_id(blocks, layout_info[2])
for vol_rec in blocks[layout_info[0]].vtbl_recs:
vol_name = vol_rec.name.strip('\x00')
vol_name = vol_rec.name.strip("\x00")
if vol_rec.rec_index not in vol_blocks_lists:
vol_blocks_lists[vol_rec.rec_index] = []
volumes[vol_name] = description(
vol_rec.rec_index, vol_rec, vol_blocks_lists[vol_rec.rec_index])
vol_rec.rec_index, vol_rec, vol_blocks_lists[vol_rec.rec_index]
)
return volumes

View File

@@ -1,38 +1,58 @@
#!/usr/bin/python
import os
import sys
# import argparse_neo
try:
import argparse
except:
except BaseException:
import argparse_neo
from ubi import ubi, get_peb_size
from ubifs import ubifs
from ubi_io import ubi_file, leb_virtual_file
from ui.common import extract_files, output_dir
if __name__ == '__main__':
if __name__ == "__main__":
os.system(
'echo "\n[NeoBoot] Zip file unzipped.\nInstallation in progress, please wait ..."')
description = 'Extract contents of UBI image.'
usage = 'ubi_extract_files.py [options] filepath'
# parser = argparse_neo.ArgumentParser(usage=usage, description=description)
'echo "\n[NeoBoot] Zip file unzipped.\nInstallation in progress, please wait ..."'
)
description = "Extract contents of UBI image."
usage = "ubi_extract_files.py [options] filepath"
try:
parser = argparse.ArgumentParser(usage=usage, description=description)
except:
except BaseException:
parser = argparse_neo.ArgumentParser(
usage=usage, description=description)
parser.add_argument('-l', '--log-file', dest='logpath',
help='Log output to file output/LOGPATH. (default: ubifs_output.log)')
parser.add_argument('-k', '--keep-permissions', action='store_true', dest='permissions',
help='Maintain file permissions, requires running as root. (default: False)')
parser.add_argument('-q', '--quiet', action='store_true', dest='quiet',
help='Suppress warnings and non-fatal errors. (default: False)')
parser.add_argument('-p', '--peb-size', type=int,
dest='block_size', help='Specify PEB size.')
parser.add_argument('-o', '--output-dir', dest='output_path',
help='Specify output directory path.')
parser.add_argument('filepath', help='File to extract contents of.')
parser.add_argument(
"-l",
"--log-file",
dest="logpath",
help="Log output to file output/LOGPATH. (default: ubifs_output.log)",
)
parser.add_argument(
"-k",
"--keep-permissions",
action="store_true",
dest="permissions",
help="Maintain file permissions, requires running as root. (default: False)",
)
parser.add_argument(
"-q",
"--quiet",
action="store_true",
dest="quiet",
help="Suppress warnings and non-fatal errors. (default: False)",
)
parser.add_argument(
"-p",
"--peb-size",
type=int,
dest="block_size",
help="Specify PEB size.")
parser.add_argument(
"-o",
"--output-dir",
dest="output_path",
help="Specify output directory path.")
parser.add_argument("filepath", help="File to extract contents of.")
if len(sys.argv) == 1:
parser.print_help()
sys.exit()
@@ -69,13 +89,16 @@ if __name__ == '__main__':
os.makedirs(vol_out_path)
elif os.listdir(vol_out_path):
parser.error(
'Volume output directory is not empty. %s' % vol_out_path)
"Volume output directory is not empty. %s" %
vol_out_path)
ufsfile = leb_virtual_file(uubi, image.volumes[volume])
uubifs = ubifs(ufsfile)
uubifs.log.log_file = log_file
uubifs.log.log_to_file = log_to_file
uubifs.log.quiet = quiet
print("Wait almost over ...\nLoading the image to: %s" % vol_out_path)
print(
"Wait almost over ...\nLoading the image to: %s" %
vol_out_path)
extract_files(uubifs, vol_out_path, perms)
sys.exit(0)

View File

@@ -1,11 +1,10 @@
#!/usr/bin/python
from ubi.block import sort
class ubi_file(object):
def __init__(self, path, block_size, start_offset=0, end_offset=None):
self._fhandle = open(path, 'rb')
self._fhandle = open(path, "rb")
self._start_offset = start_offset
if end_offset:
self._end_offset = end_offset
@@ -14,7 +13,7 @@ class ubi_file(object):
self._end_offset = self.tell()
self._block_size = block_size
if start_offset >= self._end_offset:
raise Exception('Start offset larger than file size!')
raise Exception("Start offset larger than file size!")
self._fhandle.seek(self._start_offset)
def _set_start(self, i):
@@ -69,7 +68,8 @@ class ubi_file(object):
def read_block_data(self, block):
self.seek(block.file_offset + block.ec_hdr.data_offset)
buf = self._fhandle.read(
block.size - block.ec_hdr.data_offset - block.vid_hdr.data_pad)
block.size - block.ec_hdr.data_offset - block.vid_hdr.data_pad
)
return buf
@@ -82,22 +82,22 @@ class leb_virtual_file:
self._seek = 0
self.leb_data_size = len(self._blocks) * self._ubi.leb_size
self._last_leb = -1
self._last_buf = ''
self._last_buf = ""
def read(self, i):
buf = ''
buf = ""
leb = int(self.tell() / self._ubi.leb_size)
offset = self.tell() % self._ubi.leb_size
if leb == self._last_leb:
self.seek(self.tell() + i)
return self._last_buf[offset:offset + i]
return self._last_buf[offset: offset + i]
else:
buf = self._ubi.file.read_block_data(
self._ubi.blocks[self._blocks[leb]])
self._last_buf = buf
self._last_leb = leb
self.seek(self.tell() + i)
return buf[offset:offset + i]
return buf[offset: offset + i]
def reset(self):
self.seek(0)
@@ -113,7 +113,7 @@ class leb_virtual_file:
for block in self._blocks:
while 0 != self._ubi.blocks[block].leb_num - last_leb:
last_leb += 1
yield '\xff' * self._ubi.leb_size
yield "\xff" * self._ubi.leb_size
last_leb += 1
yield self._ubi.file.read_block_data(self._ubi.blocks[block])

View File

@@ -1,4 +1,3 @@
#!/usr/bin/python
import re
import struct
from ubifs.defines import *
@@ -50,7 +49,7 @@ class ubifs:
def get_leb_size(path):
f = open(path, 'rb')
f = open(path, "rb")
f.seek(0, 2)
file_size = f.tell() + 1
f.seek(0)
@@ -59,7 +58,7 @@ def get_leb_size(path):
buf = f.read(FILE_CHUNK_SZ)
for m in re.finditer(UBIFS_NODE_MAGIC, buf):
start = m.start()
chdr = nodes.common_hdr(buf[start:start + UBIFS_COMMON_HDR_SZ])
chdr = nodes.common_hdr(buf[start: start + UBIFS_COMMON_HDR_SZ])
if chdr and chdr.node_type == UBIFS_SB_NODE:
sb_start = start + UBIFS_COMMON_HDR_SZ
sb_end = sb_start + UBIFS_SB_NODE_SZ

View File

@@ -1,6 +1,6 @@
#!/usr/bin/python
import struct
UBIFS_NODE_MAGIC = '1\x18\x10\x06'
UBIFS_NODE_MAGIC = "1\x18\x10\x06"
UBIFS_CRC32_INIT = 4294967295
UBIFS_MIN_COMPR_LEN = 128
UBIFS_MIN_COMPRESS_DIFF = 64
@@ -10,7 +10,7 @@ UBIFS_MAX_NLEN = 255
UBIFS_MAX_JHEADS = 1
UBIFS_BLOCK_SIZE = 4096
UBIFS_BLOCK_SHIFT = 12
UBIFS_PADDING_BYTE = '\xce'
UBIFS_PADDING_BYTE = "\xce"
UBIFS_MAX_KEY_LEN = 16
UBIFS_SK_LEN = 8
UBIFS_MIN_FANOUT = 3
@@ -37,7 +37,7 @@ UBIFS_ITYPE_SOCK = 6
UBIFS_ITYPES_CNT = 7
UBIFS_KEY_HASH_R5 = 0
UBIFS_KEY_HASH_TEST = 1
PRINT_UBIFS_KEY_HASH = ['r5', 'test']
PRINT_UBIFS_KEY_HASH = ["r5", "test"]
UBIFS_SIMPLE_KEY_FMT = 0
UBIFS_S_KEY_BLOCK_BITS = 29
UBIFS_S_KEY_BLOCK_MASK = 536870911
@@ -64,7 +64,7 @@ UBIFS_COMPR_NONE = 0
UBIFS_COMPR_LZO = 1
UBIFS_COMPR_ZLIB = 2
UBIFS_COMPR_TYPES_CNT = 3
PRINT_UBIFS_COMPR = ['none', 'lzo', 'zlib']
PRINT_UBIFS_COMPR = ["none", "lzo", "zlib"]
UBIFS_INO_NODE = 0
UBIFS_DATA_NODE = 1
UBIFS_DENT_NODE = 2
@@ -86,136 +86,133 @@ UBIFS_IN_NODE_GROUP = 1
UBIFS_LAST_OF_NODE_GROUP = 2
UBIFS_FLG_BIGLPT = 2
UBIFS_FLG_SPACE_FIXUP = 4
UBIFS_COMMON_HDR_FORMAT = '<IIQIBB2s'
UBIFS_COMMON_HDR_FIELDS = ['magic',
'crc',
'sqnum',
'len',
'node_type',
'group_type',
'padding']
UBIFS_COMMON_HDR_FORMAT = "<IIQIBB2s"
UBIFS_COMMON_HDR_FIELDS = [
"magic",
"crc",
"sqnum",
"len",
"node_type",
"group_type",
"padding",
]
UBIFS_COMMON_HDR_SZ = struct.calcsize(UBIFS_COMMON_HDR_FORMAT)
UBIFS_KEY_OFFSET = UBIFS_COMMON_HDR_SZ
UBIFS_DEV_DESC_FORMAT = '<IQ'
UBIFS_DEV_DESC_FIELDS = ['new', 'huge']
UBIFS_DEV_DESC_FORMAT = "<IQ"
UBIFS_DEV_DESC_FIELDS = ["new", "huge"]
UBIFS_DEV_DESC_SZ = struct.calcsize(UBIFS_DEV_DESC_FORMAT)
UBIFS_INO_NODE_FORMAT = '<%ssQQQQQIIIIIIIIIII4sIH26s' % UBIFS_MAX_KEY_LEN
UBIFS_INO_NODE_FIELDS = ['key',
'creat_sqnum',
'size',
'atime_sec',
'ctime_sec',
'mtime_sec',
'atime_nsec',
'ctime_nsec',
'mtime_nsec',
'nlink',
'uid',
'gid',
'mode',
'flags',
'data_len',
'xattr_cnt',
'xattr_size',
'padding1',
'xattr_names',
'compr_type',
'padding2']
UBIFS_INO_NODE_FORMAT = "<%ssQQQQQIIIIIIIIIII4sIH26s" % UBIFS_MAX_KEY_LEN
UBIFS_INO_NODE_FIELDS = [
"key",
"creat_sqnum",
"size",
"atime_sec",
"ctime_sec",
"mtime_sec",
"atime_nsec",
"ctime_nsec",
"mtime_nsec",
"nlink",
"uid",
"gid",
"mode",
"flags",
"data_len",
"xattr_cnt",
"xattr_size",
"padding1",
"xattr_names",
"compr_type",
"padding2",
]
UBIFS_INO_NODE_SZ = struct.calcsize(UBIFS_INO_NODE_FORMAT)
UBIFS_DENT_NODE_FORMAT = '<%ssQBBH4s' % UBIFS_MAX_KEY_LEN
UBIFS_DENT_NODE_FIELDS = ['key',
'inum',
'padding1',
'type',
'nlen',
'padding2']
UBIFS_DENT_NODE_FORMAT = "<%ssQBBH4s" % UBIFS_MAX_KEY_LEN
UBIFS_DENT_NODE_FIELDS = [
"key",
"inum",
"padding1",
"type",
"nlen",
"padding2"]
UBIFS_DENT_NODE_SZ = struct.calcsize(UBIFS_DENT_NODE_FORMAT)
UBIFS_DATA_NODE_FORMAT = '<%ssIH2s' % UBIFS_MAX_KEY_LEN
UBIFS_DATA_NODE_FIELDS = ['key',
'size',
'compr_type',
'padding']
UBIFS_DATA_NODE_FORMAT = "<%ssIH2s" % UBIFS_MAX_KEY_LEN
UBIFS_DATA_NODE_FIELDS = ["key", "size", "compr_type", "padding"]
UBIFS_DATA_NODE_SZ = struct.calcsize(UBIFS_DATA_NODE_FORMAT)
UBIFS_TRUN_NODE_FORMAT = '<I12sQQ'
UBIFS_TRUN_NODE_FIELDS = ['inum',
'padding',
'old_size',
'new_size']
UBIFS_TRUN_NODE_FORMAT = "<I12sQQ"
UBIFS_TRUN_NODE_FIELDS = ["inum", "padding", "old_size", "new_size"]
UBIFS_TRUN_NODE_SZ = struct.calcsize(UBIFS_TRUN_NODE_FORMAT)
UBIFS_PAD_NODE_FORMAT = '<I'
UBIFS_PAD_NODE_FIELDS = ['pad_len']
UBIFS_PAD_NODE_FORMAT = "<I"
UBIFS_PAD_NODE_FIELDS = ["pad_len"]
UBIFS_PAD_NODE_SZ = struct.calcsize(UBIFS_PAD_NODE_FORMAT)
UBIFS_SB_NODE_FORMAT = '<2sBBIIIIIQIIIIIIIH2sIIQI16sI3968s'
UBIFS_SB_NODE_FIELDS = ['padding',
'key_hash',
'key_fmt',
'flags',
'min_io_size',
'leb_size',
'leb_cnt',
'max_leb_cnt',
'max_bud_bytes',
'log_lebs',
'lpt_lebs',
'orph_lebs',
'jhead_cnt',
'fanout',
'lsave_cnt',
'fmt_version',
'default_compr',
'padding1',
'rp_uid',
'rp_gid',
'rp_size',
'time_gran',
'uuid',
'ro_compat_version',
'padding2']
UBIFS_SB_NODE_FORMAT = "<2sBBIIIIIQIIIIIIIH2sIIQI16sI3968s"
UBIFS_SB_NODE_FIELDS = [
"padding",
"key_hash",
"key_fmt",
"flags",
"min_io_size",
"leb_size",
"leb_cnt",
"max_leb_cnt",
"max_bud_bytes",
"log_lebs",
"lpt_lebs",
"orph_lebs",
"jhead_cnt",
"fanout",
"lsave_cnt",
"fmt_version",
"default_compr",
"padding1",
"rp_uid",
"rp_gid",
"rp_size",
"time_gran",
"uuid",
"ro_compat_version",
"padding2",
]
UBIFS_SB_NODE_SZ = struct.calcsize(UBIFS_SB_NODE_FORMAT)
UBIFS_MST_NODE_FORMAT = '<QQIIIIIIIIQQQQQQIIIIIIIIIIII344s'
UBIFS_MST_NODE_FIELDS = ['highest_inum',
'cmt_no',
'flags',
'log_lnum',
'root_lnum',
'root_offs',
'root_len',
'gc_lnum',
'ihead_lnum',
'ihead_offs',
'index_size',
'total_free',
'total_dirty',
'total_used',
'total_dead',
'total_dark',
'lpt_lnum',
'lpt_offs',
'nhead_lnum',
'nhead_offs',
'ltab_lnum',
'ltab_offs',
'lsave_lnum',
'lsave_offs',
'lscan_lnum',
'empty_lebs',
'idx_lebs',
'leb_cnt',
'padding']
UBIFS_MST_NODE_FORMAT = "<QQIIIIIIIIQQQQQQIIIIIIIIIIII344s"
UBIFS_MST_NODE_FIELDS = [
"highest_inum",
"cmt_no",
"flags",
"log_lnum",
"root_lnum",
"root_offs",
"root_len",
"gc_lnum",
"ihead_lnum",
"ihead_offs",
"index_size",
"total_free",
"total_dirty",
"total_used",
"total_dead",
"total_dark",
"lpt_lnum",
"lpt_offs",
"nhead_lnum",
"nhead_offs",
"ltab_lnum",
"ltab_offs",
"lsave_lnum",
"lsave_offs",
"lscan_lnum",
"empty_lebs",
"idx_lebs",
"leb_cnt",
"padding",
]
UBIFS_MST_NODE_SZ = struct.calcsize(UBIFS_MST_NODE_FORMAT)
UBIFS_REF_NODE_FORMAT = '<III28s'
UBIFS_REF_NODE_FIELDS = ['lnum',
'offs',
'jhead',
'padding']
UBIFS_REF_NODE_FORMAT = "<III28s"
UBIFS_REF_NODE_FIELDS = ["lnum", "offs", "jhead", "padding"]
UBIFS_REF_NODE_SZ = struct.calcsize(UBIFS_REF_NODE_FORMAT)
UBIFS_BRANCH_FORMAT = '<III%ss' % UBIFS_SK_LEN
UBIFS_BRANCH_FIELDS = ['lnum',
'offs',
'len',
'key']
UBIFS_BRANCH_FORMAT = "<III%ss" % UBIFS_SK_LEN
UBIFS_BRANCH_FIELDS = ["lnum", "offs", "len", "key"]
UBIFS_BRANCH_SZ = struct.calcsize(UBIFS_BRANCH_FORMAT)
UBIFS_IDX_NODE_FORMAT = '<HH'
UBIFS_IDX_NODE_FIELDS = ['child_cnt', 'level']
UBIFS_IDX_NODE_FORMAT = "<HH"
UBIFS_IDX_NODE_FIELDS = ["child_cnt", "level"]
UBIFS_IDX_NODE_SZ = struct.calcsize(UBIFS_IDX_NODE_FORMAT)
FILE_CHUNK_SZ = 5242880

View File

@@ -1,4 +1,3 @@
#!/usr/bin/python
import os
import sys
import ui
@@ -8,18 +7,18 @@ class log:
def __init__(self):
self.log_to_file = False
self.log_file = 'ubifs_output.log'
self.log_file = "ubifs_output.log"
self.exit_on_except = False
self.quiet = False
def _out(self, s):
if not self.quiet:
if self.log_to_file:
with open(os.path.join(ui.common.output_dir, self.log_file), 'a') as f:
f.write('%s\n' % s)
with open(os.path.join(ui.common.output_dir, self.log_file), "a") as f:
f.write("%s\n" % s)
f.close()
else:
print(('%s' % s))
print(("%s" % s))
if self.exit_on_except:
sys.exit()
@@ -27,8 +26,8 @@ class log:
self._out(s)
def write_node(self, n):
buf = '%s\n' % n
buf = "%s\n" % n
for key, value in n:
buf += '\t%s: %s\n' % (key, value)
buf += "\t%s: %s\n" % (key, value)
self._out(buf)

View File

@@ -1,46 +1,34 @@
#!/usr/bin/python
# import lzo
import struct
import zlib
from ubifs.defines import *
ino_types = ['file',
'dir',
'lnk',
'blk',
'chr',
'fifo',
'sock']
node_types = ['ino',
'data',
'dent',
'xent',
'trun',
'pad',
'sb',
'mst',
'ref',
'idx',
'cs',
'orph']
key_types = ['ino',
'data',
'dent',
'xent']
ino_types = ["file", "dir", "lnk", "blk", "chr", "fifo", "sock"]
node_types = [
"ino",
"data",
"dent",
"xent",
"trun",
"pad",
"sb",
"mst",
"ref",
"idx",
"cs",
"orph",
]
key_types = ["ino", "data", "dent", "xent"]
def parse_key(key):
hkey, lkey = struct.unpack('<II', key[0:UBIFS_SK_LEN])
hkey, lkey = struct.unpack("<II", key[0:UBIFS_SK_LEN])
ino_num = hkey & UBIFS_S_KEY_HASH_MASK
key_type = lkey >> UBIFS_S_KEY_BLOCK_BITS
khash = lkey
return {'type': key_type,
'ino_num': ino_num,
'khash': khash}
return {"type": key_type, "ino_num": ino_num, "khash": khash}
def decompress(ctype, unc_len, data):
# if ctype == UBIFS_COMPR_LZO:
# return lzo.decompress(''.join(('\xf0', struct.pack('>I', unc_len), data)))
if ctype == UBIFS_COMPR_ZLIB:
return zlib.decompress(data, -11)
else:

View File

@@ -1,4 +1,3 @@
#!/usr/bin/python
import struct
from ubifs.defines import *
from ubifs.misc import parse_key
@@ -8,18 +7,18 @@ class common_hdr(object):
def __init__(self, buf):
fields = dict(list(zip(UBIFS_COMMON_HDR_FIELDS,
struct.unpack(UBIFS_COMMON_HDR_FORMAT, buf))))
struct.unpack(UBIFS_COMMON_HDR_FORMAT, buf))))
for key in fields:
setattr(self, key, fields[key])
setattr(self, 'errors', [])
setattr(self, "errors", [])
def __repr__(self):
return 'UBIFS Common Header'
return "UBIFS Common Header"
def __iter__(self):
for key in dir(self):
if not key.startswith('_'):
if not key.startswith("_"):
yield (key, getattr(self, key))
@@ -27,16 +26,17 @@ class sb_node(object):
def __init__(self, buf):
fields = dict(
list(zip(UBIFS_SB_NODE_FIELDS, struct.unpack(UBIFS_SB_NODE_FORMAT, buf))))
list(zip(UBIFS_SB_NODE_FIELDS, struct.unpack(UBIFS_SB_NODE_FORMAT, buf)))
)
for key in fields:
setattr(self, key, fields[key])
def __repr__(self):
return 'UBIFS Super Block Node'
return "UBIFS Super Block Node"
def __iter__(self):
for key in dir(self):
if not key.startswith('_'):
if not key.startswith("_"):
yield (key, getattr(self, key))
@@ -44,16 +44,17 @@ class mst_node(object):
def __init__(self, buf):
fields = dict(
list(zip(UBIFS_MST_NODE_FIELDS, struct.unpack(UBIFS_MST_NODE_FORMAT, buf))))
list(zip(UBIFS_MST_NODE_FIELDS, struct.unpack(UBIFS_MST_NODE_FORMAT, buf)))
)
for key in fields:
setattr(self, key, fields[key])
def __repr__(self):
return 'UBIFS Master Block Node'
return "UBIFS Master Block Node"
def __iter__(self):
for key in dir(self):
if not key.startswith('_'):
if not key.startswith("_"):
yield (key, getattr(self, key))
@@ -61,21 +62,24 @@ class dent_node(object):
def __init__(self, buf):
fields = dict(
list(zip(UBIFS_DENT_NODE_FIELDS, struct.unpack(UBIFS_DENT_NODE_FORMAT, buf))))
list(
zip(UBIFS_DENT_NODE_FIELDS, struct.unpack(UBIFS_DENT_NODE_FORMAT, buf))
)
)
for key in fields:
if key == 'key':
if key == "key":
setattr(self, key, parse_key(fields[key]))
else:
setattr(self, key, fields[key])
setattr(self, 'name', '')
setattr(self, "name", "")
def __repr__(self):
return 'UBIFS Directory Entry Node'
return "UBIFS Directory Entry Node"
def __iter__(self):
for key in dir(self):
if not key.startswith('_'):
if not key.startswith("_"):
yield (key, getattr(self, key))
@@ -83,22 +87,25 @@ class data_node(object):
def __init__(self, buf):
fields = dict(
list(zip(UBIFS_DATA_NODE_FIELDS, struct.unpack(UBIFS_DATA_NODE_FORMAT, buf))))
list(
zip(UBIFS_DATA_NODE_FIELDS, struct.unpack(UBIFS_DATA_NODE_FORMAT, buf))
)
)
for key in fields:
if key == 'key':
if key == "key":
setattr(self, key, parse_key(fields[key]))
else:
setattr(self, key, fields[key])
setattr(self, 'offset', 0)
setattr(self, 'compr_len', 0)
setattr(self, "offset", 0)
setattr(self, "compr_len", 0)
def __repr__(self):
return 'UBIFS Data Node'
return "UBIFS Data Node"
def __iter__(self):
for key in dir(self):
if not key.startswith('_'):
if not key.startswith("_"):
yield (key, getattr(self, key))
@@ -106,18 +113,19 @@ class idx_node(object):
def __init__(self, buf):
fields = dict(
list(zip(UBIFS_IDX_NODE_FIELDS, struct.unpack(UBIFS_IDX_NODE_FORMAT, buf))))
list(zip(UBIFS_IDX_NODE_FIELDS, struct.unpack(UBIFS_IDX_NODE_FORMAT, buf)))
)
for key in fields:
setattr(self, key, fields[key])
setattr(self, 'branches', [])
setattr(self, "branches", [])
def __repr__(self):
return 'UBIFS Index Node'
return "UBIFS Index Node"
def __iter__(self):
for key in dir(self):
if not key.startswith('_'):
if not key.startswith("_"):
yield (key, getattr(self, key))
@@ -125,21 +133,22 @@ class ino_node(object):
def __init__(self, buf):
fields = dict(
list(zip(UBIFS_INO_NODE_FIELDS, struct.unpack(UBIFS_INO_NODE_FORMAT, buf))))
list(zip(UBIFS_INO_NODE_FIELDS, struct.unpack(UBIFS_INO_NODE_FORMAT, buf)))
)
for key in fields:
if key == 'key':
if key == "key":
setattr(self, key, parse_key(fields[key]))
else:
setattr(self, key, fields[key])
setattr(self, 'data', '')
setattr(self, "data", "")
def __repr__(self):
return 'UBIFS Ino Node'
return "UBIFS Ino Node"
def __iter__(self):
for key in dir(self):
if not key.startswith('_'):
if not key.startswith("_"):
yield (key, getattr(self, key))
@@ -147,14 +156,15 @@ class branch(object):
def __init__(self, buf):
fields = dict(
list(zip(UBIFS_BRANCH_FIELDS, struct.unpack(UBIFS_BRANCH_FORMAT, buf))))
list(zip(UBIFS_BRANCH_FIELDS, struct.unpack(UBIFS_BRANCH_FORMAT, buf)))
)
for key in fields:
setattr(self, key, fields[key])
def __repr__(self):
return 'UBIFS Branch'
return "UBIFS Branch"
def __iter__(self):
for key in dir(self):
if not key.startswith('_'):
if not key.startswith("_"):
yield (key, getattr(self, key))

View File

@@ -1,4 +1,3 @@
#!/usr/bin/python
from ubifs import nodes
from ubifs.defines import *
@@ -28,7 +27,7 @@ def sb_node(ubifs, offset=0):
def dent_node(ubifs, lnum, offset=0):
ubifs.file.seek(ubifs.leb_size * lnum + offset)
den = nodes.dent_node(ubifs.file.read(UBIFS_DENT_NODE_SZ))
den.name = '%s' % ubifs.file.read(den.nlen)
den.name = "%s" % ubifs.file.read(den.nlen)
return den

View File

@@ -1,11 +1,10 @@
#!/usr/bin/python
import os
import struct
from ubifs.defines import *
from ubifs.misc import decompress
def dents(ubifs, inodes, dent_node, path='', perms=False):
def dents(ubifs, inodes, dent_node, path="", perms=False):
inode = inodes[dent_node.inum]
dent_path = os.path.join(path, dent_node.name)
if dent_node.type == UBIFS_ITYPE_DIR:
@@ -15,41 +14,42 @@ def dents(ubifs, inodes, dent_node, path='', perms=False):
if perms:
set_file_perms(dent_path, inode)
except Exception as e:
ubifs.log.write('DIR Fail: %s' % e)
ubifs.log.write("DIR Fail: %s" % e)
if 'dent' in inode:
for dnode in inode['dent']:
if "dent" in inode:
for dnode in inode["dent"]:
dents(ubifs, inodes, dnode, dent_path, perms)
elif dent_node.type == UBIFS_ITYPE_REG:
try:
if inode['ino'].nlink > 1:
if 'hlink' not in inode:
inode['hlink'] = dent_path
if inode["ino"].nlink > 1:
if "hlink" not in inode:
inode["hlink"] = dent_path
buf = process_reg_file(ubifs, inode, dent_path)
write_reg_file(dent_path, buf)
else:
os.link(inode['hlink'], dent_path)
os.link(inode["hlink"], dent_path)
else:
buf = process_reg_file(ubifs, inode, dent_path)
write_reg_file(dent_path, buf)
if perms:
set_file_perms(dent_path, inode)
except Exception as e:
ubifs.log.write('FILE Fail: %s' % e)
ubifs.log.write("FILE Fail: %s" % e)
elif dent_node.type == UBIFS_ITYPE_LNK:
try:
os.symlink('%s' % inode['ino'].data, dent_path)
os.symlink("%s" % inode["ino"].data, dent_path)
except Exception as e:
ubifs.log.write('SYMLINK Fail: %s : %s' %
(inode['ino'].data, dent_path))
ubifs.log.write(
"SYMLINK Fail: %s : %s" %
(inode["ino"].data, dent_path))
elif dent_node.type in [UBIFS_ITYPE_BLK, UBIFS_ITYPE_CHR]:
try:
dev = struct.unpack('<II', inode['ino'].data)[0]
dev = struct.unpack("<II", inode["ino"].data)[0]
if perms:
os.mknod(dent_path, inode['ino'].mode, dev)
os.mknod(dent_path, inode["ino"].mode, dev)
if perms:
set_file_perms(path, inode)
else:
@@ -57,60 +57,60 @@ def dents(ubifs, inodes, dent_node, path='', perms=False):
if perms:
set_file_perms(dent_path, inode)
except Exception as e:
ubifs.log.write('DEV Fail: %s : %s' % (dent_path, e))
ubifs.log.write("DEV Fail: %s : %s" % (dent_path, e))
elif dent_node.type == UBIFS_ITYPE_FIFO:
try:
os.mkfifo(dent_path, inode['ino'].mode)
os.mkfifo(dent_path, inode["ino"].mode)
if perms:
set_file_perms(dent_path, inode)
except Exception as e:
ubifs.log.write('FIFO Fail: %s : %s' % (dent_path, e))
ubifs.log.write("FIFO Fail: %s : %s" % (dent_path, e))
elif dent_node.type == UBIFS_ITYPE_SOCK:
try:
write_reg_file(dent_path, '')
write_reg_file(dent_path, "")
if perms:
set_file_perms(dent_path, inode)
except Exception as e:
ubifs.log.write('SOCK Fail: %s' % dent_path)
ubifs.log.write("SOCK Fail: %s" % dent_path)
def set_file_perms(path, inode):
try:
os.chmod(path, inode['ino'].mode)
os.chown(path, inode['ino'].uid, inode['ino'].gid)
except:
raise Exception('Failed File Permissions: %s' % path)
os.chmod(path, inode["ino"].mode)
os.chown(path, inode["ino"].uid, inode["ino"].gid)
except BaseException:
raise Exception("Failed File Permissions: %s" % path)
def write_reg_file(path, data):
with open(path, 'wb') as f:
with open(path, "wb") as f:
f.write(data)
def process_reg_file(ubifs, inode, path):
try:
buf = ''
if 'data' in inode:
buf = ""
if "data" in inode:
compr_type = 0
sorted_data = sorted(inode['data'], key=lambda x: x.key['khash'])
last_khash = sorted_data[0].key['khash'] - 1
sorted_data = sorted(inode["data"], key=lambda x: x.key["khash"])
last_khash = sorted_data[0].key["khash"] - 1
for data in sorted_data:
if data.key['khash'] - last_khash != 1:
while 1 != data.key['khash'] - last_khash:
buf += '\x00' * UBIFS_BLOCK_SIZE
if data.key["khash"] - last_khash != 1:
while 1 != data.key["khash"] - last_khash:
buf += "\x00" * UBIFS_BLOCK_SIZE
last_khash += 1
compr_type = data.compr_type
ubifs.file.seek(data.offset)
d = ubifs.file.read(data.compr_len)
buf += decompress(compr_type, data.size, d)
last_khash = data.key['khash']
last_khash = data.key["khash"]
except Exception as e:
raise Exception('inode num:%s :%s' % (inode['ino'].key['ino_num'], e))
raise Exception("inode num:%s :%s" % (inode["ino"].key["ino_num"], e))
if inode['ino'].size > len(buf):
buf += '\x00' * (inode['ino'].size - len(buf))
if inode["ino"].size > len(buf):
buf += "\x00" * (inode["ino"].size - len(buf))
return buf

View File

@@ -1,4 +1,3 @@
#!/usr/bin/python
from ubifs import extract
from ubifs.defines import *
@@ -12,24 +11,28 @@ def index(ubifs, lnum, offset, inodes={}):
elif chdr.node_type == UBIFS_INO_NODE:
inon = extract.ino_node(ubifs, lnum, offset + UBIFS_COMMON_HDR_SZ)
ino_num = inon.key['ino_num']
ino_num = inon.key["ino_num"]
if ino_num not in inodes:
inodes[ino_num] = {}
inodes[ino_num]['ino'] = inon
inodes[ino_num]["ino"] = inon
elif chdr.node_type == UBIFS_DATA_NODE:
datn = extract.data_node(
ubifs, lnum, offset + UBIFS_COMMON_HDR_SZ, chdr.len)
ino_num = datn.key['ino_num']
ubifs,
lnum,
offset +
UBIFS_COMMON_HDR_SZ,
chdr.len)
ino_num = datn.key["ino_num"]
if ino_num not in inodes:
inodes[ino_num] = {}
if 'data' not in inodes[ino_num]:
inodes[ino_num]['data'] = []
inodes[ino_num]['data'].append(datn)
if "data" not in inodes[ino_num]:
inodes[ino_num]["data"] = []
inodes[ino_num]["data"].append(datn)
elif chdr.node_type == UBIFS_DENT_NODE:
dn = extract.dent_node(ubifs, lnum, offset + UBIFS_COMMON_HDR_SZ)
ino_num = dn.key['ino_num']
ino_num = dn.key["ino_num"]
if ino_num not in inodes:
inodes[ino_num] = {}
if 'dent' not in inodes[ino_num]:
inodes[ino_num]['dent'] = []
inodes[ino_num]['dent'].append(dn)
if "dent" not in inodes[ino_num]:
inodes[ino_num]["dent"] = []
inodes[ino_num]["dent"].append(dn)

View File

@@ -1,11 +1,12 @@
#!/usr/bin/python
import os
from ubi_io import leb_virtual_file
from ubifs import ubifs, walk, output
from ubifs.defines import PRINT_UBIFS_KEY_HASH, PRINT_UBIFS_COMPR
from ubi.defines import PRINT_VOL_TYPE_LIST, UBI_VTBL_AUTORESIZE_FLG
output_dir = os.path.join(os.path.dirname(
os.path.dirname(os.path.realpath(__file__))), 'output')
output_dir = os.path.join(
os.path.dirname(os.path.dirname(os.path.realpath(__file__))), "output"
)
def extract_files(ubifs, out_path, perms=False):
@@ -13,34 +14,37 @@ def extract_files(ubifs, out_path, perms=False):
inodes = {}
walk.index(ubifs, ubifs.master_node.root_lnum,
ubifs.master_node.root_offs, inodes)
for dent in inodes[1]['dent']:
for dent in inodes[1]["dent"]:
output.dents(ubifs, inodes, dent, out_path, perms)
except Exception as e:
import traceback
ubifs.log.write('%s' % e)
ubifs.log.write("%s" % e)
traceback.print_exc()
def get_ubi_params(ubi):
ubi_flags = {'min_io_size': '-m',
'max_bud_bytes': '-j',
'leb_size': '-e',
'default_compr': '-x',
'sub_page_size': '-s',
'fanout': '-f',
'key_hash': '-k',
'orph_lebs': '-p',
'log_lebs': '-l',
'max_leb_cnt': '-c',
'peb_size': '-p',
'sub_page_size': '-s',
'vid_hdr_offset': '-O',
'version': '-x',
'image_seq': '-Q',
'alignment': '-a',
'vol_id': '-n',
'name': '-N'}
ubi_flags = {
"min_io_size": "-m",
"max_bud_bytes": "-j",
"leb_size": "-e",
"default_compr": "-x",
"sub_page_size": "-s",
"fanout": "-f",
"key_hash": "-k",
"orph_lebs": "-p",
"log_lebs": "-l",
"max_leb_cnt": "-c",
"peb_size": "-p",
"sub_page_size": "-s",
"vid_hdr_offset": "-O",
"version": "-x",
"image_seq": "-Q",
"alignment": "-a",
"vol_id": "-n",
"name": "-N",
}
ubi_params = {}
ubi_args = {}
ini_params = {}
@@ -52,41 +56,55 @@ def get_ubi_params(ubi):
for volume in image.volumes:
ubi_args[img_seq][volume] = {}
ini_params[img_seq][volume] = {}
ini_params[img_seq][volume]['vol_type'] = PRINT_VOL_TYPE_LIST[image.volumes[volume].vol_rec.vol_type]
ini_params[img_seq][volume]["vol_type"] = PRINT_VOL_TYPE_LIST[
image.volumes[volume].vol_rec.vol_type
]
if image.volumes[volume].vol_rec.flags == UBI_VTBL_AUTORESIZE_FLG:
ini_params[img_seq][volume]['vol_flags'] = 'autoresize'
ini_params[img_seq][volume]["vol_flags"] = "autoresize"
else:
ini_params[img_seq][volume]['vol_flags'] = image.volumes[volume].vol_rec.flags
ini_params[img_seq][volume]['vol_id'] = image.volumes[volume].vol_id
ini_params[img_seq][volume]['vol_name'] = image.volumes[volume].name.rstrip(
'\x00')
ini_params[img_seq][volume]['vol_alignment'] = image.volumes[volume].vol_rec.alignment
ini_params[img_seq][volume]['vol_size'] = image.volumes[volume].vol_rec.reserved_pebs * ubi.leb_size
ini_params[img_seq][volume]["vol_flags"] = image.volumes[
volume
].vol_rec.flags
ini_params[img_seq][volume]["vol_id"] = image.volumes[volume].vol_id
ini_params[img_seq][volume]["vol_name"] = image.volumes[volume].name.rstrip(
"\x00")
ini_params[img_seq][volume]["vol_alignment"] = image.volumes[
volume
].vol_rec.alignment
ini_params[img_seq][volume]["vol_size"] = (
image.volumes[volume].vol_rec.reserved_pebs * ubi.leb_size
)
ufsfile = leb_virtual_file(ubi, image.volumes[volume])
uubifs = ubifs(ufsfile)
for key, value in uubifs.superblock_node:
if key == 'key_hash':
if key == "key_hash":
value = PRINT_UBIFS_KEY_HASH[value]
elif key == 'default_compr':
elif key == "default_compr":
value = PRINT_UBIFS_COMPR[value]
if key in ubi_flags:
ubi_args[img_seq][volume][key] = value
for key, value in image.volumes[volume].vol_rec:
if key == 'name':
value = value.rstrip('\x00')
if key == "name":
value = value.rstrip("\x00")
if key in ubi_flags:
ubi_args[img_seq][volume][key] = value
ubi_args[img_seq][volume]['version'] = image.version
ubi_args[img_seq][volume]['vid_hdr_offset'] = image.vid_hdr_offset
ubi_args[img_seq][volume]['sub_page_size'] = ubi_args[img_seq][volume]['vid_hdr_offset']
ubi_args[img_seq][volume]['sub_page_size'] = ubi_args[img_seq][volume]['vid_hdr_offset']
ubi_args[img_seq][volume]['image_seq'] = image.image_seq
ubi_args[img_seq][volume]['peb_size'] = ubi.peb_size
ubi_args[img_seq][volume]['vol_id'] = image.volumes[volume].vol_id
ubi_params[img_seq][volume] = {'flags': ubi_flags,
'args': ubi_args[img_seq][volume],
'ini': ini_params[img_seq][volume]}
ubi_args[img_seq][volume]["version"] = image.version
ubi_args[img_seq][volume]["vid_hdr_offset"] = image.vid_hdr_offset
ubi_args[img_seq][volume]["sub_page_size"] = ubi_args[img_seq][volume][
"vid_hdr_offset"
]
ubi_args[img_seq][volume]["sub_page_size"] = ubi_args[img_seq][volume][
"vid_hdr_offset"
]
ubi_args[img_seq][volume]["image_seq"] = image.image_seq
ubi_args[img_seq][volume]["peb_size"] = ubi.peb_size
ubi_args[img_seq][volume]["vol_id"] = image.volumes[volume].vol_id
ubi_params[img_seq][volume] = {
"flags": ubi_flags,
"args": ubi_args[img_seq][volume],
"ini": ini_params[img_seq][volume],
}
return ubi_params