Mercurial > prosody-modules
diff mod_tcpproxy/mod_tcpproxy.lua @ 4853:3804332c204e
mod_tcpproxy: Reject missing or non-number block-size, as per XEP-0047
author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
---|---|
date | Fri, 07 Jan 2022 19:55:03 +0100 |
parents | db8b256f51ff |
children |
line wrap: on
line diff
--- a/mod_tcpproxy/mod_tcpproxy.lua Thu Jan 06 17:45:15 2022 +0100 +++ b/mod_tcpproxy/mod_tcpproxy.lua Fri Jan 07 19:55:03 2022 +0100 @@ -44,13 +44,16 @@ if ibb_tag.name == "open" then -- Starting a new stream local to_host, to_port = ibb_tag.attr[host_attr], ibb_tag.attr[port_attr]; - local jid, sid = stanza.attr.from, ibb_tag.attr.sid; + local jid, sid, block_size = stanza.attr.from, ibb_tag.attr.sid, ibb_tag.attr["block-size"]; if not (to_host and to_port) then origin.send(st.error_reply(stanza, "modify", "bad-request", "No host/port specified")); return true; elseif not sid or sid == "" then origin.send(st.error_reply(stanza, "modify", "bad-request", "No sid specified")); return true; + elseif not block_size or not tonumber(block_size) then + origin.send(st.error_reply(stanza, "modify", "bad-request", "Bad block-size attribute")); + return true; elseif ibb_tag.attr.stanza ~= "message" then origin.send(st.error_reply(stanza, "modify", "bad-request", "Only 'message' stanza transport is supported")); return true;