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annotate plugins/mod_s2s_auth_certs.lua @ 10486:479e96e554c8

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net.server_epoll: Add debug logging for delayed reading In :onreadable, if there is still buffered incoming data after reading from the socket (as indicated by the :dirty method, usually because LuaSocket has an 8k buffer that's full but it read a smaller amount), another attempt to read is scheduled via this :pausefor method. This is also called from some other places where it would be pointless to read because there shouldn't be any data. In the delayed read case, this should report that the socket is "dirty". If it reports that the socket is "clean" then the question is where the buffer contents went? If this doesn't get logged after the scheduled time (0.000001s by default) then this would suggests a problem with timer or scheduling.
author Kim Alvefur <zash@zash.se>
date Sat, 07 Dec 2019 19:05:10 +0100
parents 6c3fccb75b38
children a405884c62f4
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92d009af6eba mod_s2s_auth_certs: Split PKIX based certificate checking from mod_s2s into new plugin
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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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16
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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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34
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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