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-rw-r--r--plugins/mod_muc_mam.lua5
1 files changed, 4 insertions, 1 deletions
diff --git a/plugins/mod_muc_mam.lua b/plugins/mod_muc_mam.lua
index 1df93a18..fd98e205 100644
--- a/plugins/mod_muc_mam.lua
+++ b/plugins/mod_muc_mam.lua
@@ -145,7 +145,10 @@ module:hook("iq-set/bare/"..xmlns_mam..":query", function(event)
local form = query:get_child("x", "jabber:x:data");
if form then
local form_type, err = get_form_type(form);
- if form_type ~= xmlns_mam then
+ if not form_type then
+ origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid dataform: "..err));
+ return true;
+ elseif form_type ~= xmlns_mam then
origin.send(st.error_reply(stanza, "modify", "bad-request", "Unexpected FORM_TYPE, expected '"..xmlns_mam.."'"));
return true;
end