annotate mod_warn_legacy_tls/mod_warn_legacy_tls.lua @ 4542:fb4a50bf60f1

mod_prometheus: Invoke stats collection if in 'manual' mode Since 10d13e0554f9 a special value for statistics_interval "manual" exists, where a module is expected to invoke processing in connection to collection of stats. This makes internal collection and exporting to Prometheus happens at the same time with no chance of timers getting out of sync.
author Kim Alvefur <zash@zash.se>
date Tue, 13 Apr 2021 23:53:53 +0200
parents 406b32b50457
children
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37cef218ba20 mod_sslv3_warn: Module to notice users connected with SSLv3 that they need to upgrade becasue SSLv3 is insecure
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1 local st = require"util.stanza";
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2 local host = module.host;
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3
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36023eb3254e mod_warn_legacy_tls: Adapt to warn about TLS < 1.2
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4 local deprecated_protocols = module:get_option_set("legacy_tls_versions", { "SSLv3", "TLSv1", "TLSv1.1" });
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5 local warning_message = module:get_option_string("legacy_tls_warning", "Your connection is encrypted using the %s protocol, which has known problems and will be disabled soon. Please upgrade your client.");
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7 module:hook("resource-bind", function (event)
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8 local session = event.session;
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9 module:log("debug", "mod_%s sees that %s logged in", module.name, session.username);
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11 local ok, protocol = pcall(function(session)
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12 return session.conn:socket():info"protocol";
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13 end, session);
37cef218ba20 mod_sslv3_warn: Module to notice users connected with SSLv3 that they need to upgrade becasue SSLv3 is insecure
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14 if not ok then
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15 module:log("debug", "Could not determine TLS version: %s", protocol);
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16 elseif deprecated_protocols:contains(protocol) then
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ec3eb426271e mod_warn_legacy_tls: Log a warning attached to sessions using deprecated TLS versions
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17 session.log("warn", "Uses %s", protocol);
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18 module:add_timer(15, function ()
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19 if session.type == "c2s" and session.resource then
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20 session.send(st.message({ from = host, type = "headline", to = session.full_jid }, warning_message:format(protocol)));
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21 end
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22 end);
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406b32b50457 mod_warn_legacy_tls: Log debug message for acceptable TLS versions
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23 else
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24 module:log("debug", "Using acceptable TLS version: %s", protocol);
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25 end
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26 end);