Software / code / prosody
Annotate
plugins/mod_s2s_auth_certs.lua @ 11928:16cf863b36c0
mod_csi_simple: Skip initiating flush in all but inactive state
Both in the flushing and active states the right thing to do is skip
directly to returning the data. Also in any unknown state, like if the
filter is somehow left behind on module unload.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sat, 20 Nov 2021 23:54:43 +0100 |
| parent | 11835:a405884c62f4 |
| child | 12480:7e9ebdc75ce4 |
| rev | line source |
|---|---|
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mod_s2s_auth_certs: Split PKIX based certificate checking from mod_s2s into new plugin
Kim Alvefur <zash@zash.se>
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1 module:set_global(); |
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2 |
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Kim Alvefur <zash@zash.se>
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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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mod_s2s_auth_certs: Collect stats on validation results (for #975)
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7 local measure_cert_statuses = module:metric("counter", "checked", "", "Certificate validation results", |
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8 { "chain"; "identity" }) |
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mod_s2s_auth_certs: Collect stats on validation results (for #975)
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9 |
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10 module:hook("s2s-check-certificate", function(event) |
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11 local session, host, cert = event.session, event.host, event.cert; |
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12 local conn = session.conn:socket(); |
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13 local log = session.log or log; |
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14 |
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15 if not cert then |
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16 log("warn", "No certificate provided by %s", host or "unknown host"); |
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17 return; |
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18 end |
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19 |
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20 local chain_valid, errors; |
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21 if conn.getpeerverification then |
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22 chain_valid, errors = conn:getpeerverification(); |
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23 else |
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24 chain_valid, errors = false, { { "Chain verification not supported by this version of LuaSec" } }; |
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25 end |
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26 -- Is there any interest in printing out all/the number of errors here? |
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27 if not chain_valid then |
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28 log("debug", "certificate chain validation result: invalid"); |
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29 for depth, t in pairs(errors or NULL) do |
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30 log("debug", "certificate error(s) at depth %d: %s", depth-1, table.concat(t, ", ")) |
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31 end |
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32 session.cert_chain_status = "invalid"; |
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mod_s2s_auth_certs: Save chain validation errors for later use
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33 session.cert_chain_errors = errors; |
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34 else |
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35 log("debug", "certificate chain validation result: valid"); |
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36 session.cert_chain_status = "valid"; |
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37 |
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38 -- We'll go ahead and verify the asserted identity if the |
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39 -- connecting server specified one. |
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40 if host then |
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41 if cert_verify_identity(host, "xmpp-server", cert) then |
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42 session.cert_identity_status = "valid" |
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43 else |
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44 session.cert_identity_status = "invalid" |
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45 end |
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46 log("debug", "certificate identity validation result: %s", session.cert_identity_status); |
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47 end |
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48 end |
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parents:
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49 measure_cert_statuses:with_labels(session.cert_chain_status or "unknown", session.cert_identity_status or "unknown"):add(1); |
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50 end, 509); |
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51 |
