1 files changed, 35 insertions, 0 deletions
diff --git a/external/unbound/libunbound/python/examples/dnssec_test.py b/external/unbound/libunbound/python/examples/dnssec_test.py
new file mode 100644
index 000000000..0d62b9ff2
--- /dev/null
+++ b/external/unbound/libunbound/python/examples/dnssec_test.py
@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+from unbound import ub_ctx, RR_TYPE_A, RR_TYPE_RRSIG, RR_TYPE_NSEC, RR_TYPE_NSEC3
+import ldns
+
+def dnssecParse(domain, rrType=RR_TYPE_A):
+    print("Resolving domain", domain)
+    s, r = resolver.resolve(domain)
+    print("status: %s, secure: %s, rcode: %s, havedata: %s, answer_len; %s" % (s, r.secure, r.rcode_str, r.havedata, r.answer_len))
+    
+    s, pkt = ldns.ldns_wire2pkt(r.packet)
+    if s != 0:
+        raise RuntimeError("Error parsing DNS packet")
+
+    rrsigs = pkt.rr_list_by_type(RR_TYPE_RRSIG, ldns.LDNS_SECTION_ANSWER)
+    print("RRSIGs from answer:", rrsigs)
+    
+    rrsigs = pkt.rr_list_by_type(RR_TYPE_RRSIG, ldns.LDNS_SECTION_AUTHORITY)
+    print("RRSIGs from authority:", rrsigs)
+    
+    nsecs = pkt.rr_list_by_type(RR_TYPE_NSEC, ldns.LDNS_SECTION_AUTHORITY)
+    print("NSECs:", nsecs)
+    
+    nsec3s = pkt.rr_list_by_type(RR_TYPE_NSEC3, ldns.LDNS_SECTION_AUTHORITY)
+    print("NSEC3s:", nsec3s)
+    
+    print("---")
+
+
+resolver = ub_ctx()
+resolver.add_ta(".   IN DS   19036 8 2 49AAC11D7B6F6446702E54A1607371607A1A41855200FD2CE1CDDE32F24E8FB5")
+
+dnssecParse("nic.cz")
+dnssecParse("nonexistent-domain-blablabla.cz")
+dnssecParse("nonexistent-domain-blablabla.root.cz")
+