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[bind] Ajout d'enregistrement tls depuis la base ldap

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This commit is contained in:
Valentin Samir 2014-02-23 00:22:38 +01:00
parent 17199ba900
commit 47ee3eed1c
1 changed files with 21 additions and 5 deletions
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24
gestion/gen_confs/bind.py
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@ -51,17 +51,18 @@ class ResourceRecord(object):
return str(self)
class TLSA(ResourceRecord):
def __init__(self, name, port, proto, cert, certtype, reftype, compat=True, ttl=None):
def __init__(self, name, port, proto, cert, certtype, reftype, selector=0, compat=True, format='pem', ttl=None):
"""
name: nom du domaine du certificat
port: port où écoute le service utilisant le certificat
proto: udp ou tcp
cert: le certificat au format pem (selector est donc toujours à 0)
cert: le certificat au format ``format`` (pem ou der) (selector est donc toujours à 0)
certtype: type d'enregistrement 0 = CA pinning, 1 = cert pinning, 2 = self trusted CA, 3 = self trusted cert
reftype: 0 = plain cert, 1 = sha256, 2 = sha512
compat: on génère un enregistement compris même par les serveurs dns n'implémentant pas TLSA
"""
selector = 0
if not format in ['pem', 'der']:
raise ValueError("format should be pem or der")
if cert is None and proto == 'tcp' and name[-1] == '.':
try:
cert = ssl.get_server_certificate((name[:-1], port), ca_certs='/etc/ssl/certs/ca-certificates.crt')
@ -69,10 +70,13 @@ class TLSA(ResourceRecord):
raise ValueError("Unable de retrieve cert dynamically: %s" % e)
elif cert is None:
raise ValueError("cert can only be retrive if proto is tcp and name fqdn")
if format is not 'der':
dercert = ssl.PEM_cert_to_DER_cert(cert)
else:
dercert = cert
if not dercert:
raise ValueError("Impossible de convertir le certificat au format DER %s %s %s\n%s" % (name, port, proto, cert))
certhex = TLSA.hashCert(reftype, dercert)
certhex = TLSA.hashCert(reftype, str(dercert))
if compat:
super(TLSA, self).__init__(
'TYPE52',
@ -271,6 +275,16 @@ class Zone(ZoneBase):
except (KeyError, TypeError):
pass
def add_tlsa_record(self, cert):
if 'TLSACert' in cert['objectClass']:
for host in cert['hostCert']:
nom=self.get_name(host)
if nom is None: continue
for port in cert['portTCPin']:
self.add(TLSA(nom, port, 'tcp', cert['certificat'][0], cert['certificatUsage'][0], cert['matchingType'][0], cert['selector'][0], format='der'))
for port in cert['portUDPin']:
self.add(TLSA(nom, port, 'udp', cert['certificat'][0], cert['certificatUsage'][0], cert['matchingType'][0], cert['selector'][0], format='der'))
def add_machine(self, machine):
for host in machine['host']:
nom=self.get_name(host)
@ -279,6 +293,8 @@ class Zone(ZoneBase):
self.add_a_record(nom, machine)
self.add_aaaa_record(nom, machine)
self.add_sshfp_record(nom, machine)
for cert in machine.certificats():
self.add_tlsa_record(cert)
if machine['host']: