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#!/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
import os
import sys
import fileinput
# 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'
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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