#!/usr/bin/python
# bindnorm.py - "normalise" a bind zone file by expanding relative names.
# Simeon Miteff <simeon@localloop.co.za>
# Tue Sep 23 10:03:35 SAST 2008
#
#Copyright (c) 2008 Simeon Miteff
#
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to 
#deal in the Software without restriction, including without limitation the 
#rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 
#sell copies of the Software, and to permit persons to whom the Software is 
#furnished to do so, subject to the following conditions:
#
#The above copyright notice and this permission notice shall be included in 
#all copies or substantial portions of the Software.
# 
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
#THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
#FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 
#IN THE SOFTWARE.

import dns.zone
import sys

if len(sys.argv)<2:
	sys.stderr.write("Usage: %s [zone fqdn]\n" % sys.argv[0])
	sys.stderr.write("Example: %s example.com < db.example.com > norm.db.example.com\n" % sys.argv[0])
	sys.exit(1)

zone = dns.zone.from_text(sys.stdin.read(), sys.argv[1], relativize=False, check_origin=False)
zone.to_file(sys.stdout, relativize=False)