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plugins/mod_auth_insecure.lua @ 10721:3a1b1d3084fb 0.11
core.certmanager: Move EECDH ciphers before EDH in default cipherstring (fixes #1513)
Backport of 94e341dee51c
The original intent of having kEDH before kEECDH was that if a `dhparam`
file was specified, this would be interpreted as a preference by the
admin for old and well-tested Diffie-Hellman key agreement over newer
elliptic curve ones. Otherwise the faster elliptic curve ciphersuites
would be preferred. This didn't really work as intended since this
affects the ClientHello on outgoing s2s connections, leading to some
servers using poorly configured kEDH.
With Debian shipping OpenSSL settings that enforce a higher security
level, this caused interoperability problems with servers that use DH
params smaller than 2048 bits. E.g. jabber.org at the time of this
writing has 1024 bit DH params.
MattJ says
> Curves have won, and OpenSSL is less weird about them now
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 25 Aug 2019 20:22:35 +0200 |
parent | 9292:d5f798efb1ba |
child | 10914:0d7d71dee0a0 |
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-- Prosody IM -- Copyright (C) 2008-2010 Matthew Wild -- Copyright (C) 2008-2010 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- -- luacheck: ignore 212 local datamanager = require "util.datamanager"; local new_sasl = require "util.sasl".new; local host = module.host; local provider = { name = "insecure" }; assert(module:get_option_string("insecure_open_authentication") == "Yes please, I know what I'm doing!"); function provider.test_password(username, password) return true; end function provider.set_password(username, password) local account = datamanager.load(username, host, "accounts"); if account then account.password = password; return datamanager.store(username, host, "accounts", account); end return nil, "Account not available."; end function provider.user_exists(username) return true; end function provider.create_user(username, password) return datamanager.store(username, host, "accounts", {password = password}); end function provider.delete_user(username) return datamanager.store(username, host, "accounts", nil); end function provider.get_sasl_handler() local getpass_authentication_profile = { plain_test = function(sasl, username, password, realm) return true, true; end }; return new_sasl(module.host, getpass_authentication_profile); end module:add_item("auth-provider", provider);