From 01eb2edd6e59f3c5c1958ddd7d336d1e62f3b59e Mon Sep 17 00:00:00 2001
From: hyung-hwan <hyunghwan.chung@gmail.com>
Date: Wed, 28 May 2025 16:03:31 +0900
Subject: [PATCH] fixed nil pointer access in wpx api call

---
 server-ctl.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/server-ctl.go b/server-ctl.go
index 627e2c2..3f0927b 100644
--- a/server-ctl.go
+++ b/server-ctl.go
@@ -495,9 +495,13 @@ func (ctl *server_ctl_server_conns_id_routes_id) ServeHTTP(w http.ResponseWriter
 
 	switch req.Method {
 		case http.MethodGet:
+			var cts_id ConnId
 			status_code = WriteJsonRespHeader(w, http.StatusOK)
+			// proxy_info_to_server_route() created the fake route but the function
+			// doesn't fake the Cts field and leaves it to nil.
+			if r.Cts == nil { cts_id = 0 } else { cts_id = r.Cts.Id }
 			err = je.Encode(json_out_server_route{
-				CId: r.Cts.Id,
+				CId: cts_id,
 				RId: r.Id,
 				ClientPeerAddr: r.PtcAddr,
 				ClientPeerName: r.PtcName,