Mask MS bit of class to indicate a unicast response to mDNS

2018-03-01 17:09:52 +01:00 · 2018-03-01 17:09:52 +01:00 · 44010b8729
parent 93d1c0f8e2
commit 44010b8729
1 changed files with 4 additions and 0 deletions
--- a/dns.parser.js
+++ b/dns.parser.js
@ -143,6 +143,10 @@ pdns.unpack = function (ab) {
    total += 2;
    q.byteLength = total - ototal;

+    // mDNS uses the MS bit of class to request a unicast response
+    q.unicastResponse = (q.class & 0x8000) !== 0;
+    q.class &= 0x7fff;
+
    q.className = classes[q.class];
    q.typeName = types[q.type];