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Adding a way to check from my own rbl list #2

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Merged
drscream merged 4 commits into from
Apr 29, 2017
Merged

Adding a way to check from my own rbl list #2

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95d6e78
Adding a way to check from my own rbl list
rgcarrasqueira May 26, 2016
a42a8f2
Allowing support to query domains on rbl
rgcarrasqueira May 28, 2016
a5168e0
Adjusting treatment when a rbl refuse a query
rgcarrasqueira Apr 18, 2017
9a6570d
Adjusting treatment when a rbl refuse a query
rgcarrasqueira Apr 18, 2017
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64 changes: 55 additions & 9 deletions rblwatch/rblwatch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,7 @@ def __init__(self, host, dnslist, listed, resolver):
self.resolver = resolver

def run(self):

try:
host_record = self.resolver.query(self.host, "A")
if len(host_record) > 0:
Expand All @@ -107,6 +108,11 @@ def run(self):
if len(text_record) > 0:
self.listed[self.dnslist]['TEXT'] = "\n".join(text_record[0].strings)
self.listed[self.dnslist]['ERROR'] = False

if 'query refused' in self.listed[self.dnslist]['TEXT'].lower():
self.listed[self.dnslist]['LISTED'] = False
self.listed[self.dnslist]['ERROR'] = True

except NXDOMAIN:
self.listed[self.dnslist]['ERROR'] = True
self.listed[self.dnslist]['ERRORTYPE'] = NXDOMAIN
Expand All @@ -123,27 +129,62 @@ def run(self):
self.listed[self.dnslist]['ERROR'] = True
self.listed[self.dnslist]['ERRORTYPE'] = NoAnswer


class RBLSearch(object):
def __init__(self, lookup_host):
def __init__(self, lookup_host, my_rbl_list=None):
self.lookup_host = lookup_host
self._listed = None
self.resolver = Resolver()
self.resolver.timeout = 0.2
self.resolver.lifetime = 1.0
self.my_rbl_list = my_rbl_list

def search(self):
if self._listed is not None:
pass
else:
ip = IP(self.lookup_host)
host = ip.reverseName()
if ip.version() == 4:
host = re.sub('.in-addr.arpa.', '', host)
elif ip.version() == 6:
host = re.sub('.ip6.arpa.', '', host)

try:
ip = IP(self.lookup_host)
except ValueError:
ip = None

self._listed = {'SEARCH_HOST': self.lookup_host}

if ip:

host = ip.reverseName()
if ip.version() == 4:
host = re.sub('.in-addr.arpa.', '', host)
elif ip.version() == 6:
host = re.sub('.ip6.arpa.', '', host)
else:

try:
socket.gethostbyname(self.lookup_host)
host = self.lookup_host
except socket.gaierror:
self._listed['SEARCH_HOST'] = {
'ERROR': True,
'ERRORTYPE': socket.gaierror
}
except socket.herror:
self._listed['SEARCH_HOST'] = {
'ERROR': True,
'ERRORTYPE': socket.herror
}

if 'ERROR' in self._listed['SEARCH_HOST']:
return self._listed

threads = []
for LIST in RBLS:

lists_to_check = RBLS

if self.my_rbl_list:
lists_to_check = self.my_rbl_list

for LIST in lists_to_check:
self._listed[LIST] = {'LISTED': False}
query = Lookup("%s.%s" % (host, LIST), LIST, self._listed, self.resolver)
threads.append(query)
Expand All @@ -159,7 +200,12 @@ def print_results(self):
print("--- DNSBL Report for %s ---" % listed['SEARCH_HOST'])
for key in listed:
if key == 'SEARCH_HOST':
continue
if not 'ERROR' in listed['SEARCH_HOST']:
continue
else:
print "Error querying for %s" % self.lookup_host
break

if not listed[key].get('ERROR'):
if listed[key]['LISTED']:
print("Results for %s: %s" % (key, listed[key]['LISTED']))
Expand Down