From 7229a760a41d22e002e82f2f8d00aec8cc271f30 Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Tue, 15 Apr 2014 00:45:07 +0200 Subject: certmanager: Support ssl.protocol syntax like "tlsv1+" that disables older protocols --- core/certmanager.lua | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) (limited to 'core/certmanager.lua') diff --git a/core/certmanager.lua b/core/certmanager.lua index cf745ad2..3741145d 100644 --- a/core/certmanager.lua +++ b/core/certmanager.lua @@ -36,9 +36,9 @@ local global_ssl_config = configmanager.get("*", "ssl"); local core_defaults = { capath = "/etc/ssl/certs"; - protocol = "sslv23"; + protocol = "tlsv1+"; verify = (ssl and ssl.x509 and { "peer", "client_once", }) or "none"; - options = { "no_sslv2", "no_sslv3", "cipher_server_preference", luasec_has_noticket and "no_ticket" or nil }; + options = { "cipher_server_preference", luasec_has_noticket and "no_ticket" or nil }; verifyext = { "lsec_continue", "lsec_ignore_purpose" }; curve = "secp384r1"; ciphers = "HIGH+kEDH:HIGH+kEECDH:HIGH:!PSK:!SRP:!3DES:!aNULL"; @@ -77,6 +77,9 @@ local function merge_set(t, o) return o; end +local protocols = { "sslv2", "sslv3", "tlsv1", "tlsv1_1", "tlsv1_2" }; +for i = 1, #protocols do protocols[protocols[i] .. "+"] = i - 1; end + function create_context(host, mode, user_ssl_config) user_ssl_config = user_ssl_config or {} user_ssl_config.mode = mode; @@ -97,6 +100,14 @@ function create_context(host, mode, user_ssl_config) end end + local min_protocol = protocols[user_ssl_config.protocol]; + if min_protocol then + user_ssl_config.protocol = "sslv23"; + for i = min_protocol, 1, -1 do + user_ssl_config.options["no_"..protocols[i]] = true; + end + end + for option in pairs(set_options) do local merged = {}; merge_set(core_defaults[option], merged); -- cgit v1.2.3