python实现文件快照加密保护的代码

python实现文件快照加密保护的代码

如下内容段是关于python实现文件快照加密保护的内容。

Snapper 1.2p This script will walk a directory (and its subdirectories) and compute SHA (Secure Hash Algorithm) for specific files (according to their extensions) and ouput a CSV file (suited for loading into a spreadsheet editor,a database or simply comparing with diff or ExamDiff.). You can redirect the output of this script to a file. eg. python snapper.py > todayCheck.csv This script can be usefull to check system files tampering. This script is public domain. Feel free to reuse it. The author is: Sebastien SAUVAGE Directory to scan and extensions are hardcoded below:

directoryStart = r’c:windows’
extensionList=[’.exe’,’.dll’,’.ini’,’.ocx’,’.cpl’,’.vxd’,’.drv’,’.vbx’,’.com’,’.bat’,’.src’,
‘.sys’,’.386’,’.acm’,’.ax’, ‘.bpl’,’.bin’,’.cab’,’.olb’,’.mpd’,’.pdr’,’.jar’]

import os,string,sha,stat,sys

def snapper ( directoryStart , extensionList ) :
os.path.walk( directoryStart, snapper_callback, extensionList )

def snapper_callback ( extensionList , directory, files ) :
sys.stderr.write('Scanning '+directory+‘n’)
for fileName in files:
if os.path.isfile( os.path.join(directory,fileName) ) :
if string.lower(os.path.splitext(fileName)[1]) in extensionList :
filelist.append(fileSHA ( os.path.join(directory,fileName) ))

def fileSHA ( filepath ) :
sys.stderr.write(’ Reading ‘+os.path.split(filepath)[1]+‘n’)
file = open(filepath,‘rb’)
digest = sha.new()
data = file.read(65536)
while len(data) != 0:
digest.update(data)
data = file.read(65536)
file.close()
return ‘"’+filepath+’",’+str(os.stat(filepath)[6])+’,"’+digest.hexdigest()+’"’

filelist = []
snapper( directoryStart , extensionList )
sys.stderr.write(‘Sorting…n’)
filelist.sort()
filelist.insert(0, ‘“File path”,“File size”,“SHA”’ )
sys.stderr.write(‘Printing…n’)
for line in filelist:
print line
sys.stderr.write(‘All done.n’)