From 7954f16d5913ce2383e220c040e36b153ac522e3 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Mon, 25 Nov 2019 20:52:01 +0100
Subject: util.stanza: Check that argument to error_reply is a stanza

---
 util/stanza.lua | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'util')

diff --git a/util/stanza.lua b/util/stanza.lua
index 919d983c..24fd4fea 100644
--- a/util/stanza.lua
+++ b/util/stanza.lua
@@ -448,6 +448,9 @@ end
 
 local xmpp_stanzas_attr = { xmlns = xmlns_stanzas };
 local function error_reply(orig, error_type, condition, error_message)
+	if not is_stanza(orig) then
+		error("bad argument to error_reply: expected stanza, got "..type(orig));
+	end
 	local t = reply(orig);
 	t.attr.type = "error";
 	t:tag("error", {type = error_type}) --COMPAT: Some day xmlns:stanzas goes here
-- 
cgit v1.2.3