ansible/roles/dns/files/geoip.py
Rick Elrod ce0d66d37f Try adding a script for generating the GeoIP ACLs
Signed-off-by: Rick Elrod <relrod@redhat.com>
2019-01-11 21:22:23 +00:00

80 lines
2.2 KiB
Python

#!/usr/bin/env python
# (c) 2019 Red Hat, Inc.
# Rick Elrod <relrod@redhat.com>
# etc.
import csv
import sys
if len(sys.argv) != 4:
print "Usage: geoip-to-acl.py <GeoLite2-Country-Blocks-IPv4.csv> "\
"<GeoLite2-Country-Blocks-IPv6.csv> "\
"<GeoLite2-Country-Locations-en.csv>"
sys.exit(1)
v4blocks = sys.argv[1]
v6blocks = sys.argv[2]
locations = sys.argv[3]
location_map = {}
subnet_map = {}
with open(locations) as loc_in:
reader = csv.reader(loc_in)
# Skip the header line
reader.next()
for row in reader:
# If we have a narrowed down country, use it.
# Otherwise, use the continent.
if row[4] == '':
location_map[int(row[0])] = row[2]
else:
location_map[int(row[0])] = row[4]
# Handle v4
with open(v4blocks) as v4_in:
reader = csv.reader(v4_in)
# Skip the header line
reader.next()
for row in reader:
# Figure out if we need to use row[1] or row[2]
if row[1] == '' and row[2] == '':
# If the subnet has no country attached to it at all (??), skip it.
continue
elif row[2] == '':
geo_code = location_map[int(row[1])]
else:
geo_code = location_map[int(row[2])]
if subnet_map.get(geo_code):
subnet_map[geo_code].append(row[0])
else:
subnet_map[geo_code] = [row[0]]
# Handle v6
with open(v6blocks) as v6_in:
reader = csv.reader(v6_in)
# Skip the header line
reader.next()
for row in reader:
# Figure out if we need to use row[1] or row[2]
if row[1] == '' and row[2] == '':
# If the subnet has no country attached to it at all (??), skip it.
continue
elif row[2] == '':
geo_code = location_map[int(row[1])]
else:
geo_code = location_map[int(row[2])]
if subnet_map.get(geo_code):
subnet_map[geo_code].append(row[0])
else:
subnet_map[geo_code] = [row[0]]
# And generate the ACLs
for k,v in sorted(subnet_map.iteritems()):
print 'acl "%s" {' % k
for subnet in v:
print '\t%s;' % subnet
print '};'
print ''