Simplify add_to_zone
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parent
2ef3962bdf
commit
f18d1496b8
1 changed files with 96 additions and 88 deletions
184
lib.py
184
lib.py
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@ -51,39 +51,59 @@ def format_mname(name: str):
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return mname
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#def add_to_zone(zone, name, rdata):
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# """Add a rdata object to a zone object."""
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#
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# zone.nodes.setdefault(name, dns.node.Node())
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# rdataset = zone.nodes[name].find_rdataset(
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# rdata.rdclass,
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# rdata.rdtype,
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# create=True
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# )
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# rdataset.add(rdata)
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def soa_handler(zone, records):
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def add_to_zone(zone, name, rdata):
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"""Add a rdata object to a zone object."""
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rdataset = zone.find_rdataset(
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name,
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rdata.rdtype,
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create=True
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)
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rdataset.add(rdata)
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def soa_handler(re2o_zone, dns_zone):
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"""Handler for SOA record"""
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soa = zone["soa"]
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soa = re2o_zone["soa"]
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logging.debug(f"SOA = {soa}")
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rd = dns.rdataset.Rdataset(dns.rdataclass.IN, dns.rdatatype.SOA)
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ns = re2o_zone["ns_records"][0]["target"]
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ns_obj = dns.name.from_text(ns)
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soa_obj = SOA.SOA(
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dns.rdataclass.IN,
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dns.rdatatype.SOA,
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format_mname(soa["name"]),
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format_rname(soa["mail"]),
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#soa["serial"],
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0,
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soa["refresh"],
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soa["retry"],
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soa["expire"],
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soa["ttl"],
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dns.rdataclass.IN,
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dns.rdatatype.SOA,
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ns_obj,
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format_rname(soa["mail"]),
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#soa["serial"],
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0,
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soa["refresh"],
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soa["retry"],
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soa["expire"],
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soa["ttl"],
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)
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rd.add(soa_obj)
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records[AT].rdatasets.append(rd)
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add_to_zone(dns_zone, AT, soa_obj)
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def originv4_handler(zone, records):
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def originv4_handler(re2o_zone, dns_zone):
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"""Handler for the IPv4 origin"""
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ipv4_addr = zone["originv4"]["ipv4"]
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logging.debug(f"originv4 = {zone['originv4']}")
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rd = dns.rdataset.Rdataset(dns.rdataclass.IN, dns.rdatatype.A)
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ipv4_addr = re2o_zone["originv4"]["ipv4"]
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logging.debug(f"originv4 = {re2o_zone['originv4']}")
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originv4_obj = A.A(
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dns.rdataclass.IN,
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@ -91,32 +111,28 @@ def originv4_handler(zone, records):
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ipv4_addr
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)
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rd.add(originv4_obj)
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records[AT].rdatasets.append(rd)
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add_to_zone(dns_zone, AT, originv4_obj)
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def originv6_handler(zone, records):
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def originv6_handler(re2o_zone, dns_zone):
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"""Handler for the IPv6 origin"""
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ipv6_addr = zone["originv6"] # Yes, re2o is this weird and inconsistent
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logging.debug(f"originv6 = {zone['originv6']}")
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rd = dns.rdataset.Rdataset(dns.rdataclass.IN, dns.rdatatype.AAAA)
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originv6_obj = AAAA.AAAA(
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dns.rdataclass.IN,
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dns.rdatatype.AAAA,
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ipv6_addr
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)
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rd.add(originv6_obj)
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records[AT].rdatasets.append(rd)
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add_to_zone(dns_zone, AT, originv6_obj)
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def ns_records_handler(zone, records):
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def ns_records_handler(re2o_zone, dns_zone):
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"""Handler for the NS record"""
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for record in zone["ns_records"]:
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for record in re2o_zone["ns_records"]:
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logging.debug(f"NS target = {record}")
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@ -129,15 +145,13 @@ def ns_records_handler(zone, records):
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target_obj
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)
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rd = dns.rdataset.Rdataset(dns.rdataclass.IN, dns.rdatatype.NS)
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rd.add(NS_obj)
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records[AT].rdatasets.append(rd)
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add_to_zone(dns_zone, AT, NS_obj)
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def sshfp_record_handler(zone, records):
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def sshfp_record_handler(re2o_zone, dns_zone):
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"""Handler for the SSHFP record"""
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for record in zone["sshfp"]:
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for record in re2o_zone["sshfp"]:
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# DNS Name object for Hostname
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hostname = record["hostname"]
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@ -152,44 +166,43 @@ def sshfp_record_handler(zone, records):
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fingerprint = fp["hash"][fp_type]
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records[key_name].rdatasets.append(
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SSHFP.SSHFP(
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dns.rdataclass.IN,
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dns.rdatatype.SSHFP,
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algorithm,
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fp_type,
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fingerprint,
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)
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SSHFP_obj = SSHFP.SSHFP(
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dns.rdataclass.IN,
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dns.rdatatype.SSHFP,
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algorithm,
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fp_type,
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fingerprint,
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)
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add_to_zone(dns_zone, key_name, SSHFP_obj)
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def mx_records_handler(zone, records):
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def mx_records_handler(re2o_zone, dns_zone):
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"""Handler for the MX record"""
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# dns name object '@'
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key_name = dns.name.Name(())
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for record in zone["mx_records"]:
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for record in re2o_zone["mx_records"]:
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logging.debug(f"MX = {record}")
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preference = record["priority"]
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exchange = record["target"]
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records[key_name].rdatasets.append(
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MX.MX(
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dns.rdataclass.IN,
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dns.rdatatype.MX,
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preference,
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exchange
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)
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exchange_obj = dns.name.from_text(exchange)
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MX_obj = MX.MX(
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dns.rdataclass.IN,
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dns.rdatatype.MX,
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preference,
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exchange_obj
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)
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add_to_zone(dns_zone, AT, MX_obj)
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def txt_records_handler(zone, records):
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def txt_records_handler(re2o_zone, dns_zone):
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"""Handler for TXT record"""
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for record in zone["txt_records"]:
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for record in re2o_zone["txt_records"]:
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logging.debug(f"TXT = {record}")
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@ -197,41 +210,40 @@ def txt_records_handler(zone, records):
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name = record["field1"]
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key_name = dns.name.Name((name,))
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records[key_name].rdatasets.append(
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TXT.TXT(
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dns.rdataclass.IN,
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dns.rdatatype.TXT,
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record["field2"]
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)
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TXT_obj = TXT.TXT(
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dns.rdataclass.IN,
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dns.rdatatype.TXT,
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record["field2"]
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)
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add_to_zone(dns_zone, key_name, TXT_obj)
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def srv_records_handler(zone, records):
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def srv_records_handler(re2o_zone, dns_zone):
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"""Handler for SRV record"""
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for record in zone["srv_records"]:
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for record in re2o_zone["srv_records"]:
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logging.debug(f"SRV = {record}")
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# DNS Name obj for SRV
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key_name = dns.name.from_text(f"{record['service']}_{record['protocol']}")
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records[key_name].rdatasets.append(
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SRV.SRV(
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dns.rdataclass.IN,
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dns.rdatatype.SRV,
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record["priority"],
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record["weight"],
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record["port"],
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record["target"]
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)
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SRV_obj = SRV.SRV(
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dns.rdataclass.IN,
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dns.rdatatype.SRV,
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record["priority"],
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record["weight"],
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record["port"],
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record["target"]
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)
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add_to_zone(dns_zone, key_name, SRV_obj)
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def a_records_handler(zone, records):
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def a_records_handler(re2o_zone, dns_zone):
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"""Handler for A Record"""
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for record in zone["a_records"]:
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for record in re2o_zone["a_records"]:
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logging.debug(f"A = {record}")
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@ -241,22 +253,19 @@ def a_records_handler(zone, records):
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ipv4_addr = record["ipv4"]
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rd = dns.rdataset.Rdataset(dns.rdataclass.IN, dns.rdatatype.A)
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A_obj = A.A(
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dns.rdataclass.IN,
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dns.rdatatype.A,
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ipv4_addr
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)
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rd.add(A_obj)
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records[key_name].rdatasets.append(rd)
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add_to_zone(dns_zone, key_name, A_obj)
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def aaaa_records_handler(zone, records):
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def aaaa_records_handler(re2o_zone, dns_zone):
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"""Handler for AAAA Record"""
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for record in zone["aaaa_records"]:
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for record in re2o_zone["aaaa_records"]:
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logging.debug(f"AAAA = {record}")
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@ -264,6 +273,10 @@ def aaaa_records_handler(zone, records):
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logging.debug("AAAA record does not have an IPv6. Skipping.")
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return
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# DNS Name object for Hostname
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hostname = record["hostname"]
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key_name = dns.name.Name((hostname,))
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ipv6_addr = record["ipv6"][0]["ipv6"] # thanks re2o
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AAAA_obj = AAAA.AAAA(
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@ -272,13 +285,8 @@ def aaaa_records_handler(zone, records):
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ipv6_addr
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)
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# DNS Name object for Hostname
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hostname = record["hostname"]
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key_name = dns.name.Name((hostname,))
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rd = dns.rdataset.Rdataset(dns.rdataclass.IN, dns.rdatatype.AAAA)
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rd.add(AAAA_obj)
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records[key_name].rdatasets.append(rd)
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add_to_zone(dns_zone, key_name, AAAA_obj)
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def pass_handler(zone, records):
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