author | Matthew Wild <mwild1@gmail.com> |
Thu, 26 Sep 2013 18:30:46 +0100 | |
changeset 1201 | 744af76b7324 |
parent 1130 | 29dcdea3c2be |
child 1343 | 7dbde05b48a9 |
permissions | -rw-r--r-- |
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mod_s2s_auth_dnssec_srv: Implements Secure Delegation using DNS SRV
Kim Alvefur <zash@zash.se>
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-- Copyright (C) 2013 Kim Alvefur |
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mod_s2s_auth_dnssec_srv: Implements Secure Delegation using DNS SRV
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-- This file is MIT/X11 licensed. |
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mod_s2s_auth_dnssec_srv: Implements Secure Delegation using DNS SRV
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-- |
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mod_s2s_auth_dnssec_srv: Implements Secure Delegation using DNS SRV
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-- Implements Secure Delegation using DNS SRV as described in |
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-- http://tools.ietf.org/html/draft-miller-xmpp-dnssec-prooftype |
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-- |
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-- Dependecies: |
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-- Prosody above hg:43059357b2f0 |
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-- DNSSEC-validating DNS resolver |
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-- https://github.com/Zash/luaunbound |
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-- libunbound binding using LuaJIT FFI |
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module:set_global(); |
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mod_s2s_auth_dnssec_srv: Implements Secure Delegation using DNS SRV
Kim Alvefur <zash@zash.se>
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local nameprep = require"util.encodings".stringprep.nameprep; |
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local to_unicode = require"util.encodings".idna.to_unicode; |
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mod_s2s_auth_dnssec_srv: Implements Secure Delegation using DNS SRV
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local cert_verify_identity = require "util.x509".verify_identity; |
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mod_s2s_auth_dnssec_srv: Implements Secure Delegation using DNS SRV
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|
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module:hook("s2s-check-certificate", function(event) |
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local session, cert = event.session, event.cert; |
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Kim Alvefur <zash@zash.se>
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mod_s2s_auth_dnssec_srv: Ignore certificates with invalid chains.
Kim Alvefur <zash@zash.se>
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if session.cert_chain_status == "valid" and session.cert_identity_status ~= "valid" |
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mod_s2s_auth_dnssec_srv: Ignore certificates with invalid chains.
Kim Alvefur <zash@zash.se>
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and session.srv_choice and session.srv_hosts.answer and session.srv_hosts.answer.secure then |
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local srv_target = nameprep(to_unicode(session.srv_hosts[session.srv_choice].target:gsub("%.?$",""))); |
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(session.log or module._log)("debug", "Comparing certificate with Secure SRV target %s", srv_target); |
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if srv_target and cert_verify_identity(srv_target, "xmpp-server", cert) then |
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mod_s2s_auth_dnssec_srv: Implements Secure Delegation using DNS SRV
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(session.log or module._log)("info", "Certificate matches Secure SRV target %s", srv_target); |
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session.cert_identity_status = "valid"; |
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mod_s2s_auth_dnssec_srv: Implements Secure Delegation using DNS SRV
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end |
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end |
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Kim Alvefur <zash@zash.se>
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end); |