# python check_change.py

  Usage: python check_change.py update /home/wwwroot
      python check_change.py check /home/wwwroot

# python check_change.py update /data/www #生成站點的md5值
# echo ' ' > /data/www/sitemap.html #測試清空文件
# rm -rf /data/www/sitemap.xml #測試刪除文件
# python check_change.py check /data/www #查找那些文件被篡改
/data/www/sitemap.xml
/data/www/sitemap.html

#!/usr/bin/env python

import os,sys,subprocess

def update(path):
  f = open(file,'w')
  for root,dirs,files in os.walk(path):
    for name in files:
      line = os.path.join(root, name)
      (stdin,stderr) = subprocess.Popen(['md5sum',line],stdout=subprocess.PIPE).communicate()
      f.write(stdin)
  f.close()

def check(path):
  f = open(file,'r')
  for line in f:
    check_ok = """echo '%s' | md5sum -c > /dev/null 2>&1""" % line
    #print check_ok
    if not subprocess.call(check_ok, shell = True) == 0:
      abnormal = line.split()
      print abnormal[1]
  f.close()

def Usage():
  print '''
  Usage: python %s update /home/wwwroot
      python %s check /home/wwwroot
  ''' % (sys.argv[0],sys.argv[0])
  sys.exit()

if len(sys.argv) != 3:
  Usage()

file = 'file.key'
model = sys.argv[1]
path = sys.argv[2]

if os.path.exists(path) == False:
  print "\033[;31mThe directory or file does not exist\033[0m"
  sys.exit()
elif model == 'update':
  update(path)
elif model == 'check':
  check(path)
else:
  Usage()