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Change reverse domain creation order

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With refactoring the get_reverse_domain_name
function, we change the reverse domain checking to
a reverse order. In this way we check the lowest class
(more specific) reverse zone first. When an existing domain found we use it to create the reverse PTR records. If no one existing can be find, The most specific address will be used.
This commit is contained in:
SIPOS, Peter 2016-11-28 08:39:07 +01:00
parent e6e3c39778
commit 72e3a82e9e
1 changed files with 7 additions and 3 deletions
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10
app/models.py
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@ -644,17 +644,21 @@ class Domain(db.Model):
return {'status': 'ok', 'msg': 'Reverse lookup domain already exists'} return {'status': 'ok', 'msg': 'Reverse lookup domain already exists'}
def get_reverse_domain_name(self, reverse_host_address): def get_reverse_domain_name(self, reverse_host_address):
c = 1
if re.search('ip6.arpa', reverse_host_address): if re.search('ip6.arpa', reverse_host_address):
for i in range(31,3,-1): for i in range(1,32,1):
address = re.search('((([a-f0-9]\.){'+ str(i) +'})(?P<ipname>.+6.arpa)\.?)', reverse_host_address) address = re.search('((([a-f0-9]\.){'+ str(i) +'})(?P<ipname>.+6.arpa)\.?)', reverse_host_address)
if None != self.get_id_by_name(address.group('ipname')): if None != self.get_id_by_name(address.group('ipname')):
c = i
break break
return re.search('((([a-f0-9]\.){'+ str(c) +'})(?P<ipname>.+6.arpa)\.?)', reverse_host_address).group('ipname')
else: else:
for i in range(3,0,-1): for i in range(1,4,1):
address = re.search('((([0-9]+\.){'+ str(i) +'})(?P<ipname>.+r.arpa)\.?)', reverse_host_address) address = re.search('((([0-9]+\.){'+ str(i) +'})(?P<ipname>.+r.arpa)\.?)', reverse_host_address)
if None != self.get_id_by_name(address.group('ipname')): if None != self.get_id_by_name(address.group('ipname')):
c = i
break break
return address.group('ipname') return re.search('((([0-9]+\.){'+ str(c) +'})(?P<ipname>.+r.arpa)\.?)', reverse_host_address).group('ipname')
def delete(self, domain_name): def delete(self, domain_name):
""" """