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#!/usr/bin/env python2
########################################################################
#
# Copyright (c) 2011 Noel Power
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
########################################################################
import sys, os.path, optparse
sys.path.append(sys.path[0]+"/src")
import ole, globals
class DateTime:
def __init__(self):
self.day = 0
self.month = 0
self.year = 0
self.hour = 0
self.second = 0
class DirNode:
def __init__(self, entry):
self.Nodes = []
self.Entry = entry;
self.HierachicalName = ''
def isStorage():
return entry.Type == Directory.Type.RootStorage
class OleContainer:
def __init__(self,filePath, params ):
self.filePath = filePath
self.header = None
self.params = params
self.pos = None
def __getModifiedTime(self, entry):
# need parse/decode Entry.TimeModified
# ( although the documentation indicates that it might not be
# worth it 'cause they are not universally used
modified = DateTime
modified.day = 0
modified.month = 0
modified.year = 0
modified.hour = 0
modified.second = 0
return modified
def __parseFile (self):
file = open(self.filePath, 'rb')
self.chars = file.read()
file.close()
def __addSiblings( self, entries, parent, child ):
# add left siblings
nextLeft = child.Entry.DirIDLeft
if ( nextLeft > 0 ):
newEntry = DirNode( entries[ nextLeft ] )
newEntry.HierachicalName = parent.HierachicalName + globals.encodeName( newEntry.Entry.Name )
if newEntry.Entry.DirIDRoot > 0:
newEntry.HierachicalName = newEntry.HierachicalName + '/'
self.__addSiblings( entries, parent, newEntry )
parent.Nodes.insert( 0, newEntry )
nextRight = child.Entry.DirIDRight
# add children to the right
if ( nextRight > 0 ):
newEntry = DirNode( entries[ nextRight ] )
newEntry.HierachicalName = parent.HierachicalName + globals.encodeName( newEntry.Entry.Name )
if newEntry.Entry.DirIDRoot > 0:
newEntry.HierachicalName = newEntry.HierachicalName + '/'
self.__addSiblings( entries, parent, newEntry )
parent.Nodes.append( newEntry )
def __buildTreeImpl(self, entries, parent ):
if ( parent.Entry.DirIDRoot > 0 ):
newEntry = DirNode( entries[ parent.Entry.DirIDRoot ] )
newEntry.HierachicalName = parent.HierachicalName + globals.encodeName( newEntry.Entry.Name )
if ( newEntry.Entry.DirIDRoot > 0 ):
newEntry.HierachicalName = newEntry.HierachicalName + '/'
self.__addSiblings( entries, parent, newEntry )
parent.Nodes.append( newEntry )
for child in parent.Nodes:
if child.Entry.DirIDRoot > 0:
self.__buildTreeImpl( entries, child )
def __buildTree(self, entries ):
treeRoot = DirNode( entries[0] )
self.__buildTreeImpl( entries, treeRoot )
return treeRoot
def __findEntryByHierachicalName( self, node, name ):
if node.HierachicalName == name:
return node.Entry
else:
for child in node.Nodes:
result = self.__findEntryByHierachicalName( child, name )
if result != None:
return result
return None
def __printListReport( self, treeNode, stats ):
dateInfo = self.__getModifiedTime( treeNode.Entry )
if len( treeNode.HierachicalName ) > 0 :
print '{0:8d} {1:0<2d}-{2:0<2d}-{3:0<2d} {4:0<2d}:{5:0<2d} {6}'.format(treeNode.Entry.StreamSize, dateInfo.day, dateInfo.month, dateInfo.year, dateInfo.hour, dateInfo.second, treeNode.HierachicalName )
for node in treeNode.Nodes:
# ignore the root
self.__printListReport( node, stats )
def __printHeader(self):
print ("OLE: %s")%self.filePath
print (" Length Date Time Name")
print ("-------- ---- ---- ----")
def listEntries(self):
self.__parseFile()
#if self.header == None:
# self.header = ole.Header(self.chars, self.params)
# self.pos = self.header.parse()
self.header = ole.Header(self.chars, self.params)
self.pos = self.header.parse()
obj = self.header.getDirectory()
if obj != None:
obj.parseDirEntries()
count = 0
for entry in obj.entries:
print("Entry [0x%x] Name %s Root 0x%x Left 0x%x Right %x")%( count, entry.Name, entry.DirIDRoot, entry.DirIDLeft, entry.DirIDRight )
count = count + 1
def list(self):
# need to share the inititialisation and parse stuff between the different options
self.__parseFile()
if self.header == None:
self.header = ole.Header(self.chars, self.params)
self.pos = self.header.parse()
obj = self.header.getDirectory()
if obj != None:
obj.parseDirEntries()
count = 0
rootNode = self.__buildTree( obj.entries )
self.__printHeader()
self.__printListReport( rootNode, obj.entries )
# need to print a footer ( total bytes, total files like unzip )
def extract(self, name):
if self.header == None:
self.__parseFile()
self.header = ole.Header(self.chars, self.params)
self.pos = self.header.parse()
obj = self.header.getDirectory()
if obj != None:
obj.parseDirEntries()
root = self.__buildTree( obj.entries )
entry = self.__findEntryByHierachicalName( root, name )
if entry == None or entry.DirIDRoot > 0 :
print "can't extract %s"%name
return
bytes = obj.getRawStream( entry )
file = open(entry.Name, 'wb')
file.write( bytes )
file.close
def main ():
parser = optparse.OptionParser()
parser.add_option("-l", "--list", action="store_true", dest="list", default=False, help="lists ole contents")
parser.add_option("-x", "--extract", action="store_true", dest="extract", default=False, help="extract file")
options, args = parser.parse_args()
params = globals.Params()
params.list = options.list
params.extract = options.extract
if len(args) < 1:
globals.error("takes at least one arguments\n")
parser.print_help()
sys.exit(1)
container = OleContainer( args[ 0 ], params )
if params.list == True:
container.list()
if params.extract:
files = args
files.pop(0)
for file in files:
container.extract( file )
# container.listEntries()
if __name__ == '__main__':
main()
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