625 lines
25 KiB
Python
Executable file
625 lines
25 KiB
Python
Executable file
#! /usr/bin/env python
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# -*- coding: utf-8 -*-
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""" Génération de la configuration pour bind9
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Copyright (C) Valentin Samir
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Licence : GPLv3
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"""
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import sys
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import ssl
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import time
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import base64
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import hashlib
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import binascii
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import netaddr
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sys.path.append('/usr/scripts/')
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import lc_ldap.shortcuts
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import affich_tools
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from gestion.gen_confs import gen_config
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from socket import gethostname
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from gestion import config
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import config.dns
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disclamer = """//**************************************************************//
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// Ce fichier est genere par les scripts de gen_confs //
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// Les donnees proviennent de la base LDAP et de la conf //
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// presente au debut du script. Il peut être propagé via bcfg2. //
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// //
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// NE PAS EDITER //
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// //
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//**************************************************************//
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"""
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def short_name(fullhostname):
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return fullhostname.split(".")[0]
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class ResourceRecord(object):
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def __init__(self, type, name, value, ttl=None):
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self._type=type
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self._name=name
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self._value=value
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self._ttl=ttl
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def __str__(self):
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if self._ttl:
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return "%s\t%s\tIN\t%s\t%s" % (self._name, self._ttl, self._type, self._value)
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else:
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return "%s\tIN\t%s\t%s" % (self._name, self._type, self._value)
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def __repr__(self):
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return str(self)
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class TLSA(ResourceRecord):
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def __init__(self, name, port, proto, cert, certtype, reftype, selector=0, compat=True, format='pem', ttl=None):
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"""
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name: nom du domaine du certificat
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port: port où écoute le service utilisant le certificat
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proto: udp ou tcp
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cert: le certificat au format ``format`` (pem ou der) (selector est donc toujours à 0)
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certtype: type d'enregistrement 0 = CA pinning, 1 = cert pinning, 2 = self trusted CA, 3 = self trusted cert
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reftype: 0 = plain cert, 1 = sha256, 2 = sha512
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compat: on génère un enregistement compris même par les serveurs dns n'implémentant pas TLSA
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"""
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if not format in ['pem', 'der']:
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raise ValueError("format should be pem or der")
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if cert is None and proto == 'tcp' and name[-1] == '.':
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try:
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cert = ssl.get_server_certificate((name[:-1], port), ca_certs='/etc/ssl/certs/ca-certificates.crt')
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except Exception as e:
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raise ValueError("Unable de retrieve cert dynamically: %s" % e)
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elif cert is None:
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raise ValueError("cert can only be retrive if proto is tcp and name fqdn")
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if format is not 'der':
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dercert = ssl.PEM_cert_to_DER_cert(cert)
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else:
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dercert = cert
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if not dercert:
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raise ValueError("Impossible de convertir le certificat au format DER %s %s %s\n%s" % (name, port, proto, cert))
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certhex = TLSA.hashCert(reftype, str(dercert))
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if compat:
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super(TLSA, self).__init__(
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'TYPE52',
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'_%s._%s%s' % (port, proto, '.' + name if name else ''),
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"\# %s 0%s0%s0%s%s" % (len(certhex)/2 +3, certtype, selector, reftype, certhex),
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ttl
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)
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else:
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super(TLSA, self).__init__(
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'TLSA',
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'_%s._%s%s' % (port, proto, '.' + name if name else ''),
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"%s %s %s %s"% (certtype, selector, reftype, certhex),
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ttl
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)
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@staticmethod
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def hashCert(reftype, certblob):
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"""
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certblob: un certificat au format DER
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"""
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if reftype == 0:
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return binascii.b2a_hex(certblob).upper()
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elif reftype == 1:
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hashobj = hashlib.sha256()
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hashobj.update(certblob)
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elif reftype == 2:
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hashobj = hashlib.sha512()
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hashobj.update(certblob)
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else:
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raise ValueError("reftype sould be 0 1 or 2, not %s" % reftype)
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return hashobj.hexdigest().upper()
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class SOA(ResourceRecord):
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def __init__(self, master, email, serial, refresh, retry, expire, ttl):
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super(SOA, self).__init__('SOA', '@', '%s. %s. (\n %s ; numero de serie\n %s ; refresh (s)\n %s ; retry (s)\n %s ; expire (s)\n %s ; TTL (s)\n )' % (master, email, serial, refresh, retry, expire, ttl))
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class A(ResourceRecord):
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def __init__(self, name, value, ttl=None):
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super(A, self).__init__('A', name, value, ttl)
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class DS(ResourceRecord):
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def __init__(self, name, value, ttl=None):
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super(DS, self).__init__('DS', name, value, ttl)
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class PTR(ResourceRecord):
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def __init__(self, name, value, ttl=None):
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super(PTR, self).__init__('PTR', name, value, ttl)
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class AAAA(ResourceRecord):
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def __init__(self, name, value, ttl=None):
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super(AAAA, self).__init__('AAAA', name, value, ttl)
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class TXT(ResourceRecord):
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def __init__(self, name, value, ttl=None):
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super(TXT, self).__init__('TXT', name, value, ttl)
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class CNAME(ResourceRecord):
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def __init__(self, name, value, ttl=None):
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super(CNAME, self).__init__('CNAME', name, value, ttl)
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class DNAME(ResourceRecord):
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def __init__(self, name, value, ttl=None):
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super(DNAME, self).__init__('DNAME', name, value, ttl)
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class MX(ResourceRecord):
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def __init__(self, name, priority, value, ttl=None):
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super(MX, self).__init__('MX', name, '%s\t%s' % (priority, value), ttl)
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class NS(ResourceRecord):
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def __init__(self, name, value, ttl=None):
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super(NS, self).__init__('NS', name, value, ttl)
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class SPF(ResourceRecord):
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def __init__(self, name, value, ttl=None):
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super(SPF, self).__init__('SPF', name, value, ttl)
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class SRV(ResourceRecord):
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def __init__(self, service, proto, priority, weight, port, target, ttl=None):
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super(SRV, self).__init__('SRV', '_%s._%s' % (service, proto), '%s\t%s\t%s\t%s' % (priority, weight, port, target), ttl)
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class NAPTR(ResourceRecord):
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def __init__(self, name, order, preference, flag, service, replace_regexpr, value, ttl=None):
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super(NAPTR, self).__init__('NAPTR', name, '%s\t%s\t"%s"\t"%s"\t"%s"\t%s' % (order, preference, flag, service, replace_regexpr, value), ttl)
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class SSHFP(ResourceRecord):
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def __init__(self, name, hash, algo, key, ttl=None):
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if not hash in config.sshfp_hash.keys():
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raise ValueError('Hash %s invalid, valid hash are %s' % (hash, ', '.join(config.sshfp_host.keys())))
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if not algo in config.sshfp_algo.keys():
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raise ValueError('Algo %s unknown, valid values are %s' % (algo, ', '.join(config.sshfp_algo.keys())))
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super(SSHFP, self).__init__('SSHFP', name, '%s\t%s\t%s' % (config.sshfp_algo[algo][0], config.sshfp_hash[hash], getattr(hashlib, hash)(base64.b64decode(key)).hexdigest()), ttl)
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class ZoneBase(object):
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def __init__(self, zone_name):
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self._rrlist=[]
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self.zone_name = zone_name
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def __repr__(self):
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return "<%s %s>" % (self.__class__.__name__, self.zone_name)
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def __str__(self):
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ret="%s\n$ORIGIN %s.\n$TTL %s\n" % (disclamer.replace('//', ';'), self.zone_name, self.ttl)
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for rr in self._rrlist:
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ret+="%s\n" % rr
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return ret
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def add(self, rr):
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if isinstance(rr, ResourceRecord):
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self._rrlist.append(rr)
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else:
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raise ValueError("You can only add ResourceRecords to a Zone")
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def extend(self, rr_list):
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for rr in rr_list:
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self.add(rr)
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def write(self, path):
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with open(path, 'w') as f:
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f.write("%s" % self)
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class ZoneClone(ZoneBase):
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def __init__(self, zone_name, zone_clone, soa):
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super(ZoneClone, self).__init__(zone_name)
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self.zone_clone = zone_clone
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self.ttl = zone_clone.ttl
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self.add(soa)
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self.add(DNAME('', "%s." % self.zone_clone.zone_name))
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for rr in self.zone_clone._rrlist[1:]:
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if rr._name in ['', '@']:
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self.add(rr)
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if rr._name in ["%s." % self.zone_clone.zone_name]:
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self.add(ResourceRecord(rr._type, "%s." % self.zone_name, rr._value))
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class Zone(ZoneBase):
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def __init__(self, zone_name, ttl, soa, ns_list, ipv6=True, ipv4=True, other_zones=[]):
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super(Zone, self).__init__(zone_name)
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self.ttl = ttl
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self.ipv4 = ipv4
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self.ipv6 = ipv6
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self.other_zones = other_zones
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self.subzones = [z for z in self.other_zones if z != self.zone_name and z.endswith(self.zone_name)]
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self.add(soa)
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for ns in ns_list:
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self.add(NS('@', '%s.' % ns))
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def name_in_subzone(self, hostname):
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for zone in self.subzones:
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if str(hostname).endswith(".%s" % zone):
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return True
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return False
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def get_name(self, hostname):
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# le hostname fini bien par la zone courante, et il n'appartient pas à une sous-zone
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if str(hostname) == self.zone_name or str(hostname).endswith(".%s" % self.zone_name) and not self.name_in_subzone(hostname):
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ret=str(hostname)[0:- len(self.zone_name) -1]
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if ret == "":
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return "@"
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else:
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return ret
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else:
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return None
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def get_name_vi(self, nom, i):
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if not i in [4, 6]:
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raise ValueError("i should be 4 or 6")
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if nom == '@':
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return 'v%s' % i
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elif '.' in nom:
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nom_1, nom_2 = nom.split('.', 1)
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return "%s.v%s.%s" % (nom_1, i, nom_2)
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else:
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return "%s.v%s" % (nom, i)
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def add_delegation(zone, server):
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zone = self.het_name(zone)
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if zone:
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self.add(NS('@', '%s.' % server))
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def add_a_record(self, nom, machine):
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if self.ipv4:
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for ip in machine.get('ipHostNumber', []):
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self.add(A(nom, ip))
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if self.ipv6:
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self.add(A(self.get_name_vi(nom, 4), ip))
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def add_aaaa_record(self, nom, machine):
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if self.ipv6:
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for ip in machine.get('ip6HostNumber', []):
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if machine.get('dnsIpv6', [True])[0]:
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self.add(AAAA(nom, ip))
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if self.ipv4:
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self.add(AAAA(self.get_name_vi(nom, 6), ip))
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def add_sshfp_record(self, nom, machine):
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for sshkey in machine.get('sshFingerprint', []):
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try:
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algo_txt, key = str(sshkey).split()[:2]
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algo=config.sshfs_ralgo[algo_txt][1]
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for hash in config.sshfp_hash.keys():
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self.add(SSHFP(nom, hash, algo, key))
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if self.ipv4 and self.ipv6:
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self.add(SSHFP(self.get_name_vi(nom, 4), hash, algo, key))
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self.add(SSHFP(self.get_name_vi(nom, 6), hash, algo, key))
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# KeyError is l'algo dans ldap n'est pas connu
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# TypeError si la clef n'est pas bien en base64
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except (KeyError, TypeError):
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pass
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def add_tlsa_record(self, cert):
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if 'TLSACert' in cert['objectClass']:
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for host in cert['hostCert']:
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nom=self.get_name(host)
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if nom is None: continue
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for port in cert['portTCPin']:
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self.add(TLSA(nom, port, 'tcp', cert['certificat'][0], cert['certificatUsage'][0], cert['matchingType'][0], cert['selector'][0], format='der'))
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for port in cert['portUDPin']:
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self.add(TLSA(nom, port, 'udp', cert['certificat'][0], cert['certificatUsage'][0], cert['matchingType'][0], cert['selector'][0], format='der'))
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def add_machine(self, machine):
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for host in machine['host']:
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nom=self.get_name(host)
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if nom is None: continue
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self.add_a_record(nom, machine)
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self.add_aaaa_record(nom, machine)
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self.add_sshfp_record(nom, machine)
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for cert in machine.certificats():
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self.add_tlsa_record(cert)
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if machine['host']:
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for alias in machine.get('hostAlias', []):
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if str(alias) in self.other_zones and str(alias) != self.zone_name:
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continue
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alias = self.get_name(alias)
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if alias is None: continue
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to_nom = self.get_name(machine['host'][0])
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if alias in ['@', '%s.' % self.zone_name]:
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self.add_a_record(alias, machine)
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self.add_aaaa_record(alias, machine)
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self.add_sshfp_record(alias, machine)
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elif to_nom:
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self.add(CNAME(alias, "%s" % to_nom))
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if self.ipv4 and self.ipv6:
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self.add(CNAME(self.get_name_vi(alias, 6), self.get_name_vi(to_nom, 6)))
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self.add(CNAME(self.get_name_vi(alias, 4), self.get_name_vi(to_nom, 4)))
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else:
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self.add(CNAME(alias, "%s." % machine['host'][0]))
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class ZoneReverse(Zone):
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def __init__(self, net, ttl, soa, ns_list):
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if len(ZoneReverse.network_to_arpanets(net))!=1:
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raise ValueError("%s n'est pas un réseau valide pour une zone de reverse dns" % net)
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self.net = net
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zone_name = ZoneReverse.reverse(net)[0]
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if '.' in net:
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ipv6=False
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ipv4=True
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elif ':' in net:
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ipv6=True
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ipv4=False
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else:
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raise ValueError("net should be an ipv4 ou ipv6 network")
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super(ZoneReverse, self).__init__(zone_name, ttl, soa, ns_list, ipv6=ipv6, ipv4=ipv4)
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@staticmethod
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def reverse(net, ip=None):
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"""Renvoie la zone DNS inverse correspondant au réseau et à
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l'adresse donnés, ainsi que le nombre d'éléments de l'ip a
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mettre dans le fichier de zone si elle est fournie, n'importe
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quoi sinon."""
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n = netaddr.IPNetwork(net)
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a = netaddr.IPAddress(ip if ip else n.ip)
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rev_dns_a = a.reverse_dns.split('.')[:-1]
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assert a in n
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if n.version == 4:
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if n.prefixlen == 8:
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return ('.'.join(rev_dns_a[3:]), 3)
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elif n.prefixlen == 16:
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return ('.'.join(rev_dns_a[2:]), 2)
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elif n.prefixlen == 24:
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return ('.'.join(rev_dns_a[1:]), 1)
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else:
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raise ValueError("Bad network %s" % n)
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elif n.version == 6:
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return ('.'.join(rev_dns_a[(128-n.prefixlen)/4:]), (128-n.prefixlen)/4)
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@staticmethod
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def network_to_arpanets(nets):
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"""
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retourne une liste de reseaux ne contenant que
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des préfixes de taille 32, 24, 16 ou 8 en ipv4
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et laisse inchangé les réseaux ipv6.
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"""
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if not isinstance(nets, list):
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nets = [nets]
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subnets = []
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for net in nets:
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if not isinstance(net, netaddr.IPNetwork):
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net = netaddr.IPNetwork(net)
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if net.version == 4:
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if net.prefixlen > 24:
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subnets.extend(net.subnet(32))
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elif net.prefixlen > 16:
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subnets.extend(net.subnet(24))
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elif net.prefixlen > 8:
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subnets.extend(net.subnet(16))
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else:
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subnets.extend(net.subnet(8))
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elif net.version == 6:
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subnets.append(net)
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return subnets
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def add_machine(self, machine):
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if machine['host']:
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if self.ipv4:
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attr = 'ipHostNumber'
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elif self.ipv6:
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attr = 'ip6HostNumber'
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else:
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raise ValueError("A reverse zone should be ipv6 or ipv6")
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for ip in machine[attr]:
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try:
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zone, length = ZoneReverse.reverse(self.net, str(ip))
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nom = '.'.join(ip.value.reverse_dns.split('.')[:length])
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if zone != self.zone_name:
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continue
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if attr != 'ip6HostNumber' or machine.get('dnsIpv6', [True])[0]: # Hack pour envoyer le reverse vers l'adresse .v6 dans le cas où dnsIpv6 = False
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self.add(PTR(nom, '%s.' % machine['host'][0]))
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else:
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rev_nom, rev_zone = str(machine['host'][0]).split('.', 1)
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self.add(PTR(nom, '%s.v6.%s.' % (rev_nom, rev_zone)))
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except AssertionError:
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pass
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class dns(gen_config) :
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######################################PARTIE DE CONFIGURATION
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### Fichiers à écrire
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# Répertoire d'écriture des fichiers de zone
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DNS_DIR = '/etc/bind/generated/' # Avec un / à la fin
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DNSSEC_DIR = '/etc/bind/signed/' # Avec un / à la fin
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# Fichier de définition des zones pour le maître
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DNS_CONF = DNS_DIR + 'zones_crans'
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# Fichier de définition des zones pour les esclaves géré par BCfg2
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DNS_CONF_BCFG2 = "/var/lib/bcfg2/Cfg/etc/bind/generated/zones_crans/zones_crans"
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### Liste DNS
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# Le premier doit être le maitre
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### Liste des délégations de zone
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# Pour les demandes de ces zones, le DNS dira d'aller voir les serveurs listés ici
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# Pour les noms des serveurs on met le nom sans point à la fin
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# { nom_de_zone : [ ns1, ns2, ...]
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DELEG = {}
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|
|
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### Serveurs de mail
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# format : [ priorité serveur , .... ]
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MXs = [
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MX('@',10, 'redisdead.crans.org.'),
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MX('@',15, 'soyouz.crans.org.'),
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MX('@',25, 'freebox.crans.org.'),
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]
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SRVs = {
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'crans.org': [
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SRV('jabber', 'tcp', 5, 0, 5269, 'xmpp'),
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SRV('xmpp-server', 'tcp', 5, 0, 5269, 'xmpp'),
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SRV('xmpp-client', 'tcp', 5, 0, 5222, 'xmpp'),
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SRV('sip', 'udp', 5, 0, 5060, 'asterisk'),
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SRV('sip', 'tcp', 5, 0, 5060, 'asterisk'),
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|
SRV('sips', 'tcp', 5, 0, 5061, 'asterisk'),
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]
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}
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NATPRs = {
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'crans.org' : [
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NAPTR('@', 5, 100, "S", "SIPS+D2T", "", '_sips._tcp.crans.org.', ttl=86400),
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NAPTR('@', 10, 100, "S", "SIP+D2U", "", '_sip._udp.crans.org.', ttl=86400),
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|
NAPTR('@', 15, 100, "S", "SIP+D2T", "", '_sip._tcp.crans.org.', ttl=86400),
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|
]
|
|
}
|
|
|
|
# DS à publier dans zone parentes : { parent : [ zone. TTL IN DS key_id algo_id 1 hash ] }
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|
# ex : { 'crans.eu' : ['wifi.crans.eu. 86400 IN DS 33131 8 1 3B573B0E2712D8A8B1B0C3'] }
|
|
# /!\ Il faut faire attention au rollback des keys, il faudrait faire quelque chose d'automatique avec opendnssec
|
|
DSs = {
|
|
'crans.org': [
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|
DS('adm', '64649 8 2 9c45f0fef063672d96c983d5a3813a08a649c72d357f41ddece73ae8872d60cf'),
|
|
DS('wifi', '5531 8 2 daf30a647566234edc1617546fd74abbbaf965b17389248f72fc66a33d6f5063'),
|
|
DS('tv', '18199 8 2 d3cc2f5f81b830cbb8894ffd32c236e968edd3b0c0305112b6eb970aa763418e'),
|
|
],
|
|
}
|
|
|
|
|
|
hostname = short_name(gethostname())
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|
serial = int(time.time()) + 1000000000
|
|
TTL = 3600
|
|
|
|
if hostname == short_name(config.dns.DNSs[0]):
|
|
restart_cmd = '/usr/sbin/ods-signer sign --all && /etc/init.d/bind9 reload'
|
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else:
|
|
restart_cmd = '/etc/init.d/bind9 reload'
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
self.EXTRAS = {}
|
|
super(dns, self).__init__(*args, **kwargs)
|
|
|
|
def gen_soa(self, ns_list, serial, ttl):
|
|
return SOA(ns_list[0], 'root.crans.org', serial, 21600, 3600, 1209600, ttl)
|
|
|
|
|
|
def populate_zones(self, zones, machines):
|
|
self.anim.iter=len(zones.values())
|
|
for zone in zones.values():
|
|
zone.extend(self.MXs)
|
|
for rr_type in [self.SRVs, self.NATPRs, self.DSs, self.EXTRAS]:
|
|
if zone.zone_name in rr_type.keys():
|
|
zone.extend(rr_type[zone.zone_name])
|
|
for m in machines:
|
|
zone.add_machine(m)
|
|
self.anim.cycle()
|
|
return zones
|
|
|
|
def gen_zones_ldap(self, ttl, ns_list, serial, zones={}, zones_ldap=config.dns.zones_ldap):
|
|
for zone in zones_ldap:
|
|
zones[zone]=Zone(zone, ttl, self.gen_soa(ns_list, serial, ttl), ns_list, other_zones=config.dns.zones_direct)
|
|
return zones
|
|
|
|
def gen_zones_reverse(self, ttl, ns_list, serial, zones={},
|
|
zones_reverse_v4=config.dns.zones_reverse, zones_reverse_v6=config.dns.zones_reverse_v6):
|
|
for net in ZoneReverse.network_to_arpanets(zones_reverse_v4 + zones_reverse_v6):
|
|
zones[str(net)]=ZoneReverse(str(net), ttl, self.gen_soa(ns_list, serial, ttl), ns_list)
|
|
return zones
|
|
|
|
def gen_zones_clone(self, ttl, ns_list, serial, zones={}):
|
|
for zone_clone, zones_alias in config.dns.zone_alias.items():
|
|
for zone in zones_alias:
|
|
zones[zone]=ZoneClone(zone, zones[zone_clone], self.gen_soa(ns_list, serial, ttl))
|
|
for rr_type in [self.SRVs, self.NATPRs, self.DSs]:
|
|
if zones[zone].zone_name in rr_type.keys():
|
|
zones[zone].extend(rr_type[zones[zone].zone_name])
|
|
return zones
|
|
|
|
|
|
def gen_zones(self, ttl, serial, ns_list, populate=True):
|
|
zones = {}
|
|
self.gen_zones_ldap(ttl, ns_list, serial, zones)
|
|
self.gen_zones_reverse(ttl, ns_list, serial, zones)
|
|
|
|
if populate:
|
|
conn = lc_ldap.shortcuts.lc_ldap_admin()
|
|
machines = conn.search(u"mid=*", sizelimit=10000)
|
|
machines.extend(conn.machinesMulticast())
|
|
self.populate_zones(zones, machines)
|
|
|
|
# Doit être fait après populate_zones lorsque l'on a l'intention d'écrire les fichiers de zone
|
|
# En effet, la génération de la zone clone dépend du contenue de la zone originale
|
|
self.gen_zones_clone(ttl, ns_list, serial, zones)
|
|
return zones
|
|
|
|
|
|
def gen_tv(self, populate=True):
|
|
self.anim = affich_tools.anim('\tgénération de la zone tv')
|
|
zones = {}
|
|
serial = self.serial
|
|
self.gen_zones_reverse(self.TTL, config.dns.DNSs, serial, zones, zones_reverse_v4=config.NETs['multicast'], zones_reverse_v6=[])
|
|
self.gen_zones_ldap(self.TTL, config.dns.DNSs, serial, zones, zones_ldap=[config.dns.zone_tv])
|
|
|
|
if populate:
|
|
conn = lc_ldap.shortcuts.lc_ldap_admin()
|
|
machines=conn.machinesMulticast()
|
|
machines.extend(conn.search(u'(|(host=%s)(host=*.%s)(hostAlias=%s)(hostAlias=*.%s))' % ((config.dns.zone_tv,)*4)))
|
|
self.populate_zones(zones, machines)
|
|
|
|
for zone in zones.values():
|
|
zone.write(self.DNS_DIR + 'db.' + zone.zone_name)
|
|
|
|
self.anim.reinit()
|
|
print affich_tools.OK
|
|
return zones
|
|
|
|
def gen_master(self):
|
|
# Syntaxe utilisée dans le fichier DNS_CONF pour définir une zone sur le maître
|
|
zone_template="""
|
|
zone "%(zone_name)s" {
|
|
type master;
|
|
file "%(zone_path)s";
|
|
};
|
|
"""
|
|
zones = self.gen_zones(self.TTL, self.serial, config.dns.DNSs)
|
|
with open(self.DNS_CONF, 'w') as f:
|
|
f.write(disclamer)
|
|
for zone in zones.values():
|
|
zone.write(self.DNS_DIR + 'db.' + zone.zone_name)
|
|
if zone.zone_name in config.dns.zones_dnssec:
|
|
zone_path = self.DNSSEC_DIR + 'db.' + zone.zone_name
|
|
else:
|
|
zone_path = self.DNS_DIR + 'db.' + zone.zone_name
|
|
f.write(zone_template % {'zone_name' : zone.zone_name, 'zone_path' : zone_path})
|
|
|
|
def gen_slave(self):
|
|
zone_template="""
|
|
zone "%(zone_name)s" {
|
|
type slave;
|
|
file "%(zone_path)s";
|
|
masters { %(master_ip)s; };
|
|
};
|
|
"""
|
|
zones = self.gen_zones(self.TTL, self.serial, config.dns.DNSs, populate=False)
|
|
with open(self.DNS_CONF_BCFG2, 'w') as f:
|
|
f.write(disclamer)
|
|
for zone in zones.values():
|
|
if zone.zone_name in config.dns.zones_dnssec:
|
|
zone_path = self.DNSSEC_DIR + 'db.' + zone.zone_name
|
|
else:
|
|
zone_path = self.DNS_DIR + 'db.' + zone.zone_name
|
|
f.write(zone_template % {'zone_name' : zone.zone_name, 'zone_path' : zone_path, 'master_ip' : config.dns.master})
|
|
|
|
def _gen(self):
|
|
self.gen_master()
|
|
|
|
def __str__(self):
|
|
return "DNS"
|
|
|
|
|
|
if __name__ == '__main__' :
|
|
hostname = short_name(gethostname())
|
|
if hostname == short_name(config.bcfg2_main):
|
|
print "Reconfiguration du fichier de BCfg2 pour configurer le bind d'un serveur en esclave (pensez à lancer bcfg2 sur les esclaves)."
|
|
c = dns()
|
|
c.gen_slave()
|
|
elif hostname == short_name(config.dns.DNSs[0]):
|
|
print "Serveur maître :"
|
|
c = dns()
|
|
zones = c.gen_tv()
|
|
import subprocess
|
|
for zone in zones.values():
|
|
if zone.zone_name in config.dns.zones_dnssec:
|
|
args=("/usr/sbin/ods-signer sign %s" % zone.zone_name).split()
|
|
p=subprocess.Popen(args,stdout=subprocess.PIPE,stderr=subprocess.PIPE)
|
|
ret=p.communicate()
|
|
print ret[0].strip()
|
|
if ret[1].strip():
|
|
print ret[1].strip()
|
|
print "Ce serveur est également serveur maitre pour les autres zones dns, mais leur reconfiguration se fait par generate."
|
|
elif hostname in map(lambda fullhostname : short_name(fullhostname),config.dns.DNSs[1:]):
|
|
print "Ce serveur est esclave! Lancez ce script sur %s, puis lancez bcfg2 ici" % bcfg2_main
|
|
else:
|
|
print "Ce serveur ne correspond à rien pour la configuration DNS."
|
|
|
|
|