Mercurial > prosody-modules
view mod_s2s_keysize_policy/mod_s2s_keysize_policy.lua @ 3866:c0df50ce96f0
mod_rest: Handle internal http request errors early and then return
Skips over attempted parsing of the payload which usually failed since
the body is an error string like "connection refused", so this produced
useless errors.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sat, 25 Jan 2020 20:22:12 +0100 |
parents | 27ffa6521d4e |
children |
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-- mod_s2s_keysize_policy.lua -- Requires LuaSec with this patch: https://github.com/brunoos/luasec/pull/12 module:set_global(); local datetime_parse = require"util.datetime".parse; local pat = "^([JFMAONSD][ceupao][glptbvyncr]) ?(%d%d?) (%d%d):(%d%d):(%d%d) (%d%d%d%d) GMT$"; local months = {Jan=1,Feb=2,Mar=3,Apr=4,May=5,Jun=6,Jul=7,Aug=8,Sep=9,Oct=10,Nov=11,Dec=12}; local function parse_x509_datetime(s) local month, day, hour, min, sec, year = s:match(pat); month = months[month]; return datetime_parse(("%04d-%02d-%02dT%02d:%02d:%02dZ"):format(year, month, day, hour, min, sec)); end local weak_key_cutoff = datetime_parse("2014-01-01T00:00:00Z"); -- From RFC 4492 local weak_key_size = { RSA = 2048, DSA = 2048, DH = 2048, EC = 233, } module:hook("s2s-check-certificate", function(event) local host, session, cert = event.host, event.session, event.cert; if cert and cert.pubkey then local _, key_type, key_size = cert:pubkey(); if key_size < ( weak_key_size[key_type] or 0 ) then local issued = parse_x509_datetime(cert:notbefore()); if issued > weak_key_cutoff then session.log("warn", "%s has a %s-bit %s key issued after 31 December 2013, invalidating trust!", host, key_size, key_type); session.cert_chain_status = "invalid"; session.cert_identity_status = "invalid"; else session.log("warn", "%s has a %s-bit %s key", host, key_size, key_type); end else session.log("info", "%s has a %s-bit %s key", host, key_size, key_type); end end end);