annotate mod_s2soutinjection/mod_s2soutinjection.lua @ 3477:1f2381492c9f

mod_smacks: no crash on <a> without @h, fix #1317
author Georg Lukas <georg@op-co.de>
date Wed, 06 Mar 2019 21:25:47 +0100
parents 4057f176be7b
children 864fefec1c07
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1 local st = require"util.stanza";
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2 local new_ip = require"util.ip".new_ip;
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3 local new_outgoing = require"core.s2smanager".new_outgoing;
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4 local bounce_sendq = module:depends"s2s".route_to_new_session.bounce_sendq;
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5 local s2sout = module:depends"s2s".route_to_new_session.s2sout;
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7 local injected = module:get_option("s2s_connect_overrides");
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9 local function isip(addr)
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10 return not not (addr and addr:match("^%d+%.%d+%.%d+%.%d+$") or addr:match("^[%x:]*:[%x:]-:[%x:]*$"));
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11 end
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13 module:hook("route/remote", function(event)
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14 local from_host, to_host, stanza = event.from_host, event.to_host, event.stanza;
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15 local inject = injected and injected[to_host];
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16 if not inject then return end
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17 log("debug", "opening a new outgoing connection for this stanza");
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18 local host_session = new_outgoing(from_host, to_host);
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20 -- Store in buffer
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21 host_session.bounce_sendq = bounce_sendq;
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22 host_session.sendq = { {tostring(stanza), stanza.attr.type ~= "error" and stanza.attr.type ~= "result" and st.reply(stanza)} };
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23 log("debug", "stanza [%s] queued until connection complete", tostring(stanza.name));
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25 local ip_hosts, srv_hosts = {}, {};
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26 host_session.srv_hosts = srv_hosts;
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27 host_session.srv_choice = 0;
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29 if type(inject) == "string" then inject = { inject } end
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31 for _, item in ipairs(inject) do
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32 local host, port = item[1] or item, tonumber(item[2]) or 5269;
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33 if isip(host) then
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34 ip_hosts[#ip_hosts+1] = { ip = new_ip(host), port = port }
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35 else
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36 srv_hosts[#srv_hosts+1] = { target = host, port = port }
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37 end
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38 end
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39 if #ip_hosts > 0 then
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40 host_session.ip_hosts = ip_hosts;
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41 host_session.ip_choice = 0; -- Incremented by try_next_ip
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42 s2sout.try_next_ip(host_session);
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43 return true;
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44 end
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46 return s2sout.try_connect(host_session, host_session.srv_hosts[1].target, host_session.srv_hosts[1].port);
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47 end, -2);
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48