Annotate

plugins/mod_s2s_auth_certs.lua @ 11763:e273ef869794

net.server: Pikc server_epoll as unconditional default Previously it would have gone for server_select if util.poll was for some reason not available, which should be never these days. And even if it was, best to flush it out by throwing loud errors so users notice. Then they can work around it by using select until we delete that one.
author Kim Alvefur <zash@zash.se>
date Fri, 03 Sep 2021 17:39:00 +0200
parent 10454:6c3fccb75b38
child 11835:a405884c62f4
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1 module:set_global();
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2
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3 local cert_verify_identity = require "util.x509".verify_identity;
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4 local NULL = {};
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5 local log = module._log;
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6
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7 module:hook("s2s-check-certificate", function(event)
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8 local session, host, cert = event.session, event.host, event.cert;
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9 local conn = session.conn:socket();
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10 local log = session.log or log;
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11
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12 if not cert then
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13 log("warn", "No certificate provided by %s", host or "unknown host");
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14 return;
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15 end
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17 local chain_valid, errors;
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18 if conn.getpeerverification then
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19 chain_valid, errors = conn:getpeerverification();
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20 else
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21 chain_valid, errors = false, { { "Chain verification not supported by this version of LuaSec" } };
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22 end
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23 -- Is there any interest in printing out all/the number of errors here?
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24 if not chain_valid then
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25 log("debug", "certificate chain validation result: invalid");
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26 for depth, t in pairs(errors or NULL) do
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27 log("debug", "certificate error(s) at depth %d: %s", depth-1, table.concat(t, ", "))
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28 end
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29 session.cert_chain_status = "invalid";
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30 session.cert_chain_errors = errors;
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31 else
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32 log("debug", "certificate chain validation result: valid");
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33 session.cert_chain_status = "valid";
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35 -- We'll go ahead and verify the asserted identity if the
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36 -- connecting server specified one.
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37 if host then
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38 if cert_verify_identity(host, "xmpp-server", cert) then
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39 session.cert_identity_status = "valid"
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40 else
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41 session.cert_identity_status = "invalid"
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42 end
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43 log("debug", "certificate identity validation result: %s", session.cert_identity_status);
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44 end
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45 end
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46 end, 509);
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47