Diff: udp/dns/dnsquery.c

Revision:

193:47a953ab571b

Parent:

187:122fc1996c86

--- a/udp/dns/dnsquery.c	Fri Jan 22 13:24:08 2021 +0000
+++ b/udp/dns/dnsquery.c	Sun Jan 24 15:09:55 2021 +0000
@@ -15,6 +15,9 @@
 #include  "dnshdr.h"
 #include "dnsname.h"
 #include "dnslabel.h"
+#include "ar6.h"
+#include "ndp.h"
+#include "mac.h"
 
 bool DnsQueryTrace = false;
 
@@ -159,6 +162,13 @@
     if (_RecordType  == DNS_RECORD_NONE)                       return DO_NOTHING;
     if (_DnsProtocol == DNS_PROTOCOL_NONE)                     return DO_NOTHING;
     
+    
+    //For IPv6 UDNS check if have the MAC for the DNS server and, if not, request it and stop
+    if (_IpProtocol == ETH_IPV6 && _DnsProtocol == DNS_PROTOCOL_UDNS)
+    {
+        if (!Ar6CheckHaveMacAndFetchIfNot(NdpDnsServer)) return DO_NOTHING;
+    }
+    
     NetTraceHostCheckIp6(DnsQueryIp6);
     
     if (DnsQueryTrace || NetTraceHostGetMatched()) logQuery();