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Function fix_from_to/2 should not crash when 'from' is undefined

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Fixes #1678
This commit is contained in:
Evgeniy Khramtsov 2017-04-18 01:38:35 +03:00
parent c97aade33e
commit 7c9415356d
1 changed files with 11 additions and 7 deletions
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18
src/ejabberd_c2s.erl
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@ -867,13 +867,17 @@ get_conn_type(State) ->
-spec fix_from_to(xmpp_element(), state()) -> stanza().
fix_from_to(Pkt, #{jid := JID}) when ?is_stanza(Pkt) ->
#jid{luser = U, lserver = S, lresource = R} = JID,
From = xmpp:get_from(Pkt),
From1 = case jid:tolower(From) of
{U, S, R} -> JID;
{U, S, _} -> jid:replace_resource(JID, From#jid.resource);
_ -> From
end,
xmpp:set_from_to(Pkt, From1, JID);
case xmpp:get_from(Pkt) of
undefined ->
Pkt;
From ->
From1 = case jid:tolower(From) of
{U, S, R} -> JID;
{U, S, _} -> jid:replace_resource(JID, From#jid.resource);
_ -> From
end,
xmpp:set_from_to(Pkt, From1, JID)
end;
fix_from_to(Pkt, _State) ->
Pkt.