Mercurial > prosody-modules

annotate mod_tls_policy/mod_tls_policy.lua @ 5401:c8d04ac200fc

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mod_http_oauth2: Reject loopback URIs as client_uri This really should be a proper website with info, https://localhost is not good enough. Ideally we'd validate that it's got proper DNS and is actually reachable, but triggering HTTP or even DNS lookups seems like it would carry abuse potential that would best to avoid.
author Kim Alvefur <zash@zash.se>
date Tue, 02 May 2023 16:20:55 +0200
parents 1b701f208b1b
children
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1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
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1
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2 assert(require"ssl.core".info, "Incompatible LuaSec version");
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4 local function hook(event_name, typ, policy)
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5 if not policy then return end
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6 if policy == "FS" then
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a43ed0d28918 mod_tls_policy: Change the FS shortcut to match on ciphers with (EC)DHE (produces nicer stream error)
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parents: 1615
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7 policy = { cipher = "^E?C?DHE%-" };
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8 elseif type(policy) == "string" then
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9 policy = { cipher = policy };
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10 end
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12 module:hook(event_name, function (event)
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13 local origin = event.origin;
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1b701f208b1b mod_tls_policy: Switch method of checking for TLS-encrypted connection
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14 if origin.conn and origin.conn:ssl() then
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1e90054c3ac5 mod_tls_policy: New module to enforce per-host TLS parameter policies
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15 local info = origin.conn:socket():info();
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16 for key, what in pairs(policy) do
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17 module:log("debug", "Does info[%q] = %s match %s ?", key, tostring(info[key]), tostring(what));
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c5ca63ac0e1b mod_tls_policy: Fix pattern matching
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18 if (type(what) == "number" and what < info[key] ) or (type(what) == "string" and not info[key]:match(what)) then
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d0fd8a29b724 mod_tls_policy: Include which part of the cipher that did not match the policy in stream error
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19 origin:close({ condition = "policy-violation", text = ("TLS %s '%s' not acceptable"):format(key, tostring(info[key])) });
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20 return false;
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21 end
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22 module:log("debug", "Seems so");
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23 end
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24 module:log("debug", "Policy matches");
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25 end
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26 end, 1000);
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27 end
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29 local policy = module:get_option(module.name, {});
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30
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31 if type(policy) == "string" then
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32 policy = { c2s = policy, s2s = policy };
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33 end
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35 hook("stream-features", "c2s", policy.c2s);
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36 hook("s2s-stream-features", "s2sin", policy.s2sin or policy.s2s);
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37 hook("stanza/http://etherx.jabber.org/streams:features", "s2sout", policy.s2sout or policy.s2s);