本文实例讲述了python实现文件快照加密保护的方法。分享给大家供大家参考。具体如下:
这段代码可以对指定的目录进行扫描,包含子目录,对指定扩展名的文件进行SHA-1加密后存储在cvs文件,以防止文件被篡改
调用方法:python snapper.py > todayCheck.csv
# Hello, this is a script written in Python. See http://www.pyhon.org # # 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 ## http://sebsauvage.net # # More quick & dirty scripts are available at http://sebsauvage.net/python/ # # 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()+\'\"\' sys.stderr.write(\'Snapper 1.1p - http://sebsauvage.net/python/\\n\') 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\')
希望本文所述对大家的Python程序设计有所帮助。