Annotate

mod_warn_legacy_tls/mod_warn_legacy_tls.lua @ 5173:460f78654864

mod_muc_rtbl: also filter messages This was a bit tricky because we don't want to run the JIDs through SHA256 on each message. Took a while to come up with this simple plan of just caching the SHA256 of the JIDs on the occupants. This will leave some dirt in the occupants after unloading the module, but that should be ok; once they cycle the room, the hashes will be gone. This is direly needed, otherwise, there is a tight race between the moderation activities and the actors joining the room.
author Jonas Schäfer <jonas@wielicki.name>
date Tue, 21 Feb 2023 21:37:27 +0100
parent 3731:406b32b50457
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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37cef218ba20 mod_sslv3_warn: Module to notice users connected with SSLv3 that they need to upgrade becasue SSLv3 is insecure
Kim Alvefur <zash@zash.se>
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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" });
36023eb3254e mod_warn_legacy_tls: Adapt to warn about TLS < 1.2
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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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6
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7 module:hook("resource-bind", function (event)
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8 local session = event.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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9 module:log("debug", "mod_%s sees that %s logged in", module.name, session.username);
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10
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11 local ok, protocol = pcall(function(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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12 return session.conn:socket():info"protocol";
37cef218ba20 mod_sslv3_warn: Module to notice users connected with SSLv3 that they need to upgrade becasue SSLv3 is insecure
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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
Kim Alvefur <zash@zash.se>
parents: 3727
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17 session.log("warn", "Uses %s", protocol);
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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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18 module:add_timer(15, function ()
37cef218ba20 mod_sslv3_warn: Module to notice users connected with SSLv3 that they need to upgrade becasue SSLv3 is insecure
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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
Kim Alvefur <zash@zash.se>
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23 else
406b32b50457 mod_warn_legacy_tls: Log debug message for acceptable TLS versions
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24 module:log("debug", "Using acceptable TLS version: %s", protocol);
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25 end
37cef218ba20 mod_sslv3_warn: Module to notice users connected with SSLv3 that they need to upgrade becasue SSLv3 is insecure
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26 end);