From: Libor Peltan <libor.peltan@nic.cz>
Date: Tue, 22 Aug 2023 13:55:58 +0000 (+0200)
Subject: libknot/pktparser: allow empty rdata at NULL rrtype...
X-Git-Tag: v3.4.dev~21^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96c3e360acdc6373a72cfc0466ea92fde5436014;p=thirdparty%2Fknot-dns.git

libknot/pktparser: allow empty rdata at NULL rrtype...

...in accordance to suggested format in RFC 8145
---

diff --git a/src/libknot/packet/rrset-wire.c b/src/libknot/packet/rrset-wire.c
index 2b02969de7..096bd47705 100644
--- a/src/libknot/packet/rrset-wire.c
+++ b/src/libknot/packet/rrset-wire.c
@@ -636,6 +636,7 @@ static bool allow_zero_rdata(const knot_rrset_t *rr,
 {
 	return rr->rclass != KNOT_CLASS_IN ||  // NONE and ANY for DDNS
 	       rr->type == KNOT_RRTYPE_APL ||  // APL RR type
+	       rr->type == KNOT_RRTYPE_NULL || // NULL RR type
 	       desc->type_name == NULL;        // Unknown RR type
 }