Mercurial > prosody-modules
view mod_tls_policy/mod_tls_policy.lua @ 4537:53ee391ca689
mod_smacks: Fix traceback due to session being destroyed in send()
Sending something can cause the OS to notice that the connection is dead
and then the connection can be dead at this point. More likely if
opportunistic_writes is enabled.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 01 Apr 2021 11:35:26 +0200 |
parents | a43ed0d28918 |
children | 1b701f208b1b |
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assert(require"ssl.core".info, "Incompatible LuaSec version"); local function hook(event_name, typ, policy) if not policy then return end if policy == "FS" then policy = { cipher = "^E?C?DHE%-" }; elseif type(policy) == "string" then policy = { cipher = policy }; end module:hook(event_name, function (event) local origin = event.origin; if origin.encrypted then local info = origin.conn:socket():info(); for key, what in pairs(policy) do module:log("debug", "Does info[%q] = %s match %s ?", key, tostring(info[key]), tostring(what)); if (type(what) == "number" and what < info[key] ) or (type(what) == "string" and not info[key]:match(what)) then origin:close({ condition = "policy-violation", text = ("TLS %s '%s' not acceptable"):format(key, tostring(info[key])) }); return false; end module:log("debug", "Seems so"); end module:log("debug", "Policy matches"); end end, 1000); end local policy = module:get_option(module.name, {}); if type(policy) == "string" then policy = { c2s = policy, s2s = policy }; end hook("stream-features", "c2s", policy.c2s); hook("s2s-stream-features", "s2sin", policy.s2sin or policy.s2s); hook("stanza/http://etherx.jabber.org/streams:features", "s2sout", policy.s2sout or policy.s2s);