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mobidedrm 0.05

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Paul Durrant 2008-12-16 22:03:38 +00:00 • committed by Apprentice Alf
parent 68338496d9
commit bf1161192e
1 changed files with 5 additions and 4 deletions
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9
Kindle_Mobi_Tools/lib/mobidedrm.py
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@ -4,8 +4,9 @@
# Changelog # Changelog
# 0.01 - Initial version # 0.01 - Initial version
# 0.02 - Huffdic compressed books were not properly decrypted # 0.02 - Huffdic compressed books were not properly decrypted
# 0.03 - fix 0.02 to work with all Mobipocket eBooks # 0.03 - Wasn't checking MOBI header length
# 0.04 - Wasn't checking MOBI header length # 0.04 - Wasn't sanity checking size of data record
# 0.05 - It seems that the extra data flags take two bytes not four
import sys,struct,binascii import sys,struct,binascii
@ -140,7 +141,7 @@ class DrmStripper:
mobi_length, = struct.unpack('>L',sect[0x14:0x18]) mobi_length, = struct.unpack('>L',sect[0x14:0x18])
extra_data_flags = 0 extra_data_flags = 0
if mobi_length >= 0xE4: if mobi_length >= 0xE4:
extra_data_flags, = struct.unpack('>L', sect[0xF0:0xF4]) extra_data_flags, = struct.unpack('>H', sect[0xF2:0xF4])
crypto_type, = struct.unpack('>H', sect[0xC:0xC+2]) crypto_type, = struct.unpack('>H', sect[0xC:0xC+2])
@ -170,7 +171,7 @@ class DrmStripper:
def getResult(self): def getResult(self):
return self.data_file return self.data_file
print "MobiDeDrm v0.04. Copyright (c) 2008 The Dark Reverser" print "MobiDeDrm v0.05. Copyright (c) 2008 The Dark Reverser"
if len(sys.argv)<4: if len(sys.argv)<4:
print "Removes protection from Mobipocket books" print "Removes protection from Mobipocket books"
print "Usage:" print "Usage:"