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Delete output.py

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gutosie
2020-01-20 20:16:38 +02:00
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parent 82867de787
commit e67bc611a4
1 changed files with 0 additions and 114 deletions
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114
NeoBoot/ubi_reader/ubifs/output.py
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@@ -1,114 +0,0 @@
#!/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):
inode = inodes[dent_node.inum]
dent_path = os.path.join(path, dent_node.name)
if dent_node.type == UBIFS_ITYPE_DIR:
try:
if not os.path.exists(dent_path):
os.mkdir(dent_path)
if perms:
set_file_perms(dent_path, inode)
except Exception as e:
ubifs.log.write('DIR Fail: %s' % e)
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
buf = process_reg_file(ubifs, inode, dent_path)
write_reg_file(dent_path, buf)
else:
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)
elif dent_node.type == UBIFS_ITYPE_LNK:
try:
os.symlink('%s' % inode['ino'].data, dent_path)
except Exception as e:
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]
if perms:
os.mknod(dent_path, inode['ino'].mode, dev)
if perms:
set_file_perms(path, inode)
else:
write_reg_file(dent_path, str(dev))
if perms:
set_file_perms(dent_path, inode)
except Exception as 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)
if perms:
set_file_perms(dent_path, inode)
except Exception as e:
ubifs.log.write('FIFO Fail: %s : %s' % (dent_path, e))
elif dent_node.type == UBIFS_ITYPE_SOCK:
try:
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)
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)
def write_reg_file(path, data):
with open(path, 'wb') as f:
f.write(data)
def process_reg_file(ubifs, inode, path):
try:
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
for data in sorted_data:
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']
except Exception as 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))
return buf