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928
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1 local hosts = _G.hosts;
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2 local st = require "util.stanza";
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3 local s2s_make_authenticated = require "core.s2smanager".make_authenticated;
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4 local nameprep = require "util.encodings".stringprep.nameprep;
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5 local cert_verify_identity = require "util.x509".verify_identity;
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6
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7 module:hook("stanza/jabber:server:dialback:result", function(event)
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8 local origin, stanza = event.origin, event.stanza;
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9
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10 if origin.cert_chain_status == "valid" and origin.type == "s2sin_unauthed" or origin.type == "s2sin" then
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11 local attr = stanza.attr;
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12 local to, from = nameprep(attr.to), nameprep(attr.from);
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13
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14 local conn = origin.conn:socket()
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15 local cert;
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16 if conn.getpeercertificate then
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17 cert = conn:getpeercertificate()
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18 end
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19
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20 if cert and hosts[to] and cert_verify_identity(from, "xmpp-server", cert) then
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21
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22 -- COMPAT: ejabberd, gmail and perhaps others do not always set 'to' and 'from'
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23 -- on streams. We fill in the session's to/from here instead.
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24 if not origin.from_host then
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25 origin.from_host = from;
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26 end
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27 if not origin.to_host then
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28 origin.to_host = to;
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29 end
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30
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31 module:log("info", "Accepting Dialback without Dialback for %s", from);
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32 s2s_make_authenticated(origin, from);
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33 origin.sends2s(
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34 st.stanza("db:result", { from = attr.to, to = attr.from, id = attr.id, type = "valid" }));
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35
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36 return true;
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37 end
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38 end
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39 end, 100);
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40
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41
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