File denyhosts-dh_reenable of Package denyhosts

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File denyhosts-dh_reenable of Package denyhosts

#!/usr/bin/python
# This program help sysadmin to reenable a hosts blocked by denyhosts.
#
# dh_reenable (c) 2008 Marco Bertorello <marco@bertorello.ns0.it> and is
# free software. You can use, modify and redistribute it under terms of
# GNU General Public License version 2 or later, as you whish, as published by
# Free Software Foundation.
#
# You can get a full copy of license here:
#
# http://www.gnu.org/licenses/gpl-2.0.txt
#
# and
#
# http://www.gnu.org/licenses/gpl-3.0.txt

from __future__ import with_statement
import os
import sys
import fileinput
import re

# file definition:

HOSTSFILE='/var/lib/denyhosts/hosts'
HOSTRESTFILE='/var/lib/denyhosts/hosts-restricted'
HOSTROOTFILE='/var/lib/denyhosts/hosts-root'
HOSTVALIDFILE='/var/lib/denyhosts/hosts-valid'
HOSTSDENY='/etc/hosts.deny'
#TEST='/etc/hosts.deny.tmp'
CONFIGFILE='/etc/denyhosts.conf'

# Parse the configuration file for the location of the HOSTS_DENY file.
# If it exists, overwrite the hard-coded value for HOSTSDENY from the
# top of the file.
if os.path.isfile(CONFIGFILE):
    with open(CONFIGFILE) as file:
	for line in file:
	    result = re.search('^(HOSTS_DENY\s*=\s*)(.*)', line)
	    if result != None:
		HOSTSDENY = result.group(2)

def usage():
	 print "Usage:"
         print sys.argv[0]+"     --help: Show this help"
         print sys.argv[0]+"       <IP>: check if the ip address was denied and reenable it"
         print sys.argv[0]+" <HOSTNAME>: check if the hostname was denied and reenable it"

try:
	host=sys.argv[1]
except:
	print sys.argv[0]+" need a hostname or a ip address input. See --help."
	sys.exit(1)

if host == "--help":
        usage()
        sys.exit(1)

def search(file_txt,host):
	for lines in fileinput.FileInput(file_txt, inplace=1): 	
	 	lines = lines.strip()
	 	if lines.find(host) != -1: 
			continue
		else:
	 		print lines

try:
	search(HOSTSFILE,host)
except:
	print "Problem parsing file "+HOSTSFILE
	sys.exit(1)
try:
	search(HOSTRESTFILE,host)
except:
	print "Problem parsing file "+HOSTRESTFILE
	sys.exit(1)
try:
	search(HOSTROOTFILE,host)
except:
        print "Problem parsing file "+HOSTROOTFILE
	sys.exit(1)
try:
	search(HOSTVALIDFILE,host)
except:
        print "Problem parsing file "+HOSTVALIDFILE
	sys.exit(1)
try:
	search(HOSTSDENY,host)
except:
        print "Problem parsing file "+HOSTSDENY
	sys.exit(1)

print "Done!"
print "Please restart denyhosts"

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File denyhosts-dh_reenable of Package denyhosts

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