From: Evgeniy Khramtsov <ekhramtsov@process-one.net>
Date: Tue, 28 Feb 2017 17:15:05 +0000 (+0300)
Subject: Add s2s work-around for gmail.com
X-Git-Tag: 17.03~52
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c3ef56702a30d7315437f80c58a13316292f4b5a;p=ejabberd

Add s2s work-around for gmail.com
---

diff --git a/src/xmpp_stream_in.erl b/src/xmpp_stream_in.erl
index 84576bd2f..7264b6d5a 100644
--- a/src/xmpp_stream_in.erl
+++ b/src/xmpp_stream_in.erl
@@ -457,9 +457,16 @@ process_stream(#stream_start{lang = Lang},
     %% Do not store long language tag to avoid possible DoS/flood attacks
     Txt = <<"Too long value of 'xml:lang' attribute">>,
     send_pkt(State, xmpp:serr_policy_violation(Txt, DefaultLang));
-process_stream(#stream_start{to = undefined}, #{lang := Lang} = State) ->
-    Txt = <<"Missing 'to' attribute">>,
-    send_pkt(State, xmpp:serr_improper_addressing(Txt, Lang));
+process_stream(#stream_start{to = undefined, version = Version} = StreamStart,
+	       #{lang := Lang, server := Server} = State) ->
+    if Version < {1,0} ->
+	    %% Work-around for gmail servers
+	    To = jid:make(Server),
+	    process_stream(StreamStart#stream_start{to = To}, State);
+       true ->
+	    Txt = <<"Missing 'to' attribute">>,
+	    send_pkt(State, xmpp:serr_improper_addressing(Txt, Lang))
+    end;
 process_stream(#stream_start{to = #jid{luser = U, lresource = R}},
 	       #{lang := Lang} = State) when U /= <<"">>; R /= <<"">> ->
     Txt = <<"Improper 'to' attribute">>,