From 04a665e639c2a8f6066b4fc44df53d5093ada617 Mon Sep 17 00:00:00 2001
From: Mark Tyneway <mark@purse.io>
Date: Sun, 27 Oct 2019 19:33:25 -0700
Subject: [PATCH] dns/server: return sig0 key in KEY rr

---
 lib/dns/server.js | 8 ++++++++
 test/ns-test.js   | 9 +++++++++
 2 files changed, 17 insertions(+)

diff --git a/lib/dns/server.js b/lib/dns/server.js
index f966044a4..3ddc651d2 100644
--- a/lib/dns/server.js
+++ b/lib/dns/server.js
@@ -276,6 +276,10 @@ class RootServer extends DNSServer {
           res.answer.push(key.ds.deepClone());
           key.signZSK(res.answer, types.DS);
           break;
+        case types.KEY:
+          res.answer.push(this.toKEY());
+          key.signZSK(res.answer, types.KEY);
+          break;
         default:
           // Empty Proof:
           res.authority.push(this.toNSEC());
@@ -489,6 +493,10 @@ class RootServer extends DNSServer {
     rd.typeBitmap = TYPE_MAP;
     return rr;
   }
+
+  toKEY() {
+    return hsig.makeKey(this.key);
+  }
 }
 
 /**
diff --git a/test/ns-test.js b/test/ns-test.js
index d56767165..0a577ec91 100644
--- a/test/ns-test.js
+++ b/test/ns-test.js
@@ -107,4 +107,13 @@ describe('RootServer', function() {
     // Nothing was added to the cache
     assert.strictEqual(cache.size, 1);
   });
+
+  it('should resolve KEY rr', async () => {
+    const req = {question: [{name: '.', type: wire.types.KEY}]};
+    const res = await ns.resolve(req);
+    const got = res.answer.find(rr => rr.type === wire.types.KEY);
+
+    assert(got);
+    assert.equal(got.name, '.');
+  });
 });