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prosody
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net/xmppcomponent_listener.lua @ 3315:f4d2de6ac22e
xmppcomponent_listener: Validate to/from on components, fixes #104 and #162
author | Matthew Wild <mwild1@gmail.com> |
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date | Sat, 03 Jul 2010 03:23:25 +0100 |
parent | 2925:692b3c6c5bd2 |
child | 3316:6122a6270773 |
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--- a/net/xmppcomponent_listener.lua Fri Jul 02 19:55:37 2010 +0100 +++ b/net/xmppcomponent_listener.lua Sat Jul 03 03:23:25 2010 +0100 @@ -99,6 +99,27 @@ if not stanza.attr.xmlns and stanza.name == "handshake" then stanza.attr.xmlns = xmlns_component; end + local from = stanza.attr.from; + if from then + if session.component_validate_from then + local _, domain = jid_split(stanza.attr.from); + if domain ~= session.host then + -- Return error + session:close{ + condition = "invalid-from"; + text = "Component tried to send from address <"..tostring(from) + .."> which is not in domain <"..tostring(session.host)..">"; + }; + return; + end + end + else + stanza.attr.from = session.host; + end + if not stanza.attr.to then + session.send(st.error_reply(stanza, "modify", "bad-request", "Components MUST specify a 'to' address on stanzas")); + return; + end return core_process_stanza(session, stanza); end