From 4f75fe12cd648160d7d3b12b276134ff1a199eaa Mon Sep 17 00:00:00 2001
From: Romain Beuque <556072+rbeuque74@users.noreply.github.com>
Date: Mon, 21 Mar 2022 14:30:38 +0100
Subject: [PATCH] feat(tonic/listen): handle TLSConfig with custom
 GetCertificate or GetConfigForClient function

Signed-off-by: Romain Beuque <556072+rbeuque74@users.noreply.github.com>
---
 tonic/listen.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tonic/listen.go b/tonic/listen.go
index 7af42d6..218a675 100644
--- a/tonic/listen.go
+++ b/tonic/listen.go
@@ -59,7 +59,7 @@ func ListenAndServe(handler http.Handler, errorHandler func(error), opt ...Liste
 			// delayed listen, store it in the original listener object so any wrapping listener from listenOpt
 			// will have a correct reference
 			listener.Listener = ln
-			if srv.TLSConfig != nil && len(srv.TLSConfig.Certificates) > 0 {
+			if srv.TLSConfig != nil && (len(srv.TLSConfig.Certificates) > 0 || srv.TLSConfig.GetCertificate != nil || srv.TLSConfig.GetConfigForClient != nil) {
 				// ServeTLS without cert files lets listenOpts set srv.TLSConfig.Certificates
 				err = listenOpt.Server.ServeTLS(listenOpt.Listener, "", "")
 			} else {