bird-lg/toolbox.py

54 lines
1.2 KiB
Python

# -*- coding: utf-8 -*-
# vim: ts=4
###
#
# Copyright (c) 2006 Mehdi Abaakouk
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3 as
# published by the Free Software Foundation
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
#
###
from dns import resolver
import socket
def resolve(n, q):
return str(resolver.query(n,q)[0])
def mask_is_valid(n):
if not n:
return True
try:
mask = int(n)
return ( mask >= 1 and mask <= 128)
except:
return False
def ipv4_is_valid(n):
try:
socket.inet_pton(socket.AF_INET, n)
return True
except socket.error:
return False
def ipv6_is_valid(n):
try:
socket.inet_pton(socket.AF_INET6, n)
return True
except socket.error:
return False