author | Matthew Wild <mwild1@gmail.com> |
Sun, 03 Mar 2024 16:10:14 +0000 | |
changeset 5860 | 6fe4dab27187 |
parent 3735 | 406b32b50457 |
permissions | -rw-r--r-- |
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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>
parents:
diff
changeset
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1 |
local st = require"util.stanza"; |
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>
parents:
diff
changeset
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2 |
local host = module.host; |
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>
parents:
diff
changeset
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3 |
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3731
36023eb3254e
mod_warn_legacy_tls: Adapt to warn about TLS < 1.2
Kim Alvefur <zash@zash.se>
parents:
3730
diff
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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
Kim Alvefur <zash@zash.se>
parents:
3730
diff
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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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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>
parents:
diff
changeset
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6 |
|
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>
parents:
diff
changeset
|
7 |
module:hook("resource-bind", function (event) |
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>
parents:
diff
changeset
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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
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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module:log("debug", "mod_%s sees that %s logged in", module.name, session.username); |
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>
parents:
diff
changeset
|
10 |
|
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>
parents:
diff
changeset
|
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
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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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
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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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
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
14 |
if not ok then |
3731
36023eb3254e
mod_warn_legacy_tls: Adapt to warn about TLS < 1.2
Kim Alvefur <zash@zash.se>
parents:
3730
diff
changeset
|
15 |
module:log("debug", "Could not determine TLS version: %s", protocol); |
36023eb3254e
mod_warn_legacy_tls: Adapt to warn about TLS < 1.2
Kim Alvefur <zash@zash.se>
parents:
3730
diff
changeset
|
16 |
elseif deprecated_protocols:contains(protocol) then |
3734
ec3eb426271e
mod_warn_legacy_tls: Log a warning attached to sessions using deprecated TLS versions
Kim Alvefur <zash@zash.se>
parents:
3731
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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
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
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
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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if session.type == "c2s" and session.resource then |
3731
36023eb3254e
mod_warn_legacy_tls: Adapt to warn about TLS < 1.2
Kim Alvefur <zash@zash.se>
parents:
3730
diff
changeset
|
20 |
session.send(st.message({ from = host, type = "headline", to = session.full_jid }, warning_message:format(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
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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21 |
end |
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>
parents:
diff
changeset
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22 |
end); |
3735
406b32b50457
mod_warn_legacy_tls: Log debug message for acceptable TLS versions
Kim Alvefur <zash@zash.se>
parents:
3734
diff
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23 |
else |
406b32b50457
mod_warn_legacy_tls: Log debug message for acceptable TLS versions
Kim Alvefur <zash@zash.se>
parents:
3734
diff
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24 |
module:log("debug", "Using acceptable TLS version: %s", protocol); |
1525
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>
parents:
diff
changeset
|
25 |
end |
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>
parents:
diff
changeset
|
26 |
end); |