From 7c7910729acbaa81593eeedcc27424c1b6648f4e Mon Sep 17 00:00:00 2001
From: fiaxh <git@lightrise.org>
Date: Thu, 30 Sep 2021 15:47:48 +0200
Subject: [PATCH] Send SOCKS error and close connection when SOCKS5 handshake
 fails

---
 xmpp-vala/src/module/xep/0260_jingle_socks5_bytestreams.vala | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xmpp-vala/src/module/xep/0260_jingle_socks5_bytestreams.vala b/xmpp-vala/src/module/xep/0260_jingle_socks5_bytestreams.vala
index 47c243e8..32ba8bb9 100644
--- a/xmpp-vala/src/module/xep/0260_jingle_socks5_bytestreams.vala
+++ b/xmpp-vala/src/module/xep/0260_jingle_socks5_bytestreams.vala
@@ -327,6 +327,10 @@ class LocalListener {
                 connections[cid] = conn;
             }
         } catch (Error e) {
+            warning("Jingle SOCKS5 bytestream establish error cid %s: %s", cid, e.message);
+            // Send a "general SOCKS server failure" (0x01)
+            yield conn.output_stream.write_all_async({0x05, 0x01}, GLib.Priority.DEFAULT, null, out written);
+            yield conn.output_stream.close_async();
         }
     }