dnssec_test.py revision 238106
1#!/usr/bin/env python 2from unbound import ub_ctx, RR_TYPE_A, RR_TYPE_RRSIG, RR_TYPE_NSEC, RR_TYPE_NSEC3 3import ldns 4 5def dnssecParse(domain, rrType=RR_TYPE_A): 6 print "Resolving domain", domain 7 s, r = resolver.resolve(domain) 8 print "status: %s, secure: %s, rcode: %s, havedata: %s, answer_len; %s" % (s, r.secure, r.rcode_str, r.havedata, r.answer_len) 9 10 s, pkt = ldns.ldns_wire2pkt(r.packet) 11 if s != 0: 12 raise RuntimeError("Error parsing DNS packet") 13 14 rrsigs = pkt.rr_list_by_type(RR_TYPE_RRSIG, ldns.LDNS_SECTION_ANSWER) 15 print "RRSIGs from answer:", rrsigs 16 17 rrsigs = pkt.rr_list_by_type(RR_TYPE_RRSIG, ldns.LDNS_SECTION_AUTHORITY) 18 print "RRSIGs from authority:", rrsigs 19 20 nsecs = pkt.rr_list_by_type(RR_TYPE_NSEC, ldns.LDNS_SECTION_AUTHORITY) 21 print "NSECs:", nsecs 22 23 nsec3s = pkt.rr_list_by_type(RR_TYPE_NSEC3, ldns.LDNS_SECTION_AUTHORITY) 24 print "NSEC3s:", nsec3s 25 26 print "---" 27 28 29resolver = ub_ctx() 30resolver.add_ta(". IN DS 19036 8 2 49AAC11D7B6F6446702E54A1607371607A1A41855200FD2CE1CDDE32F24E8FB5") 31 32dnssecParse("nic.cz") 33dnssecParse("nonexistent-domain-blablabla.cz") 34dnssecParse("nonexistent-domain-blablabla.root.cz") 35 36