util.pposix: Fix error reporting from posix_fallocate, it doesn't use errno (thanks...

[prosody.git] / core / certmanager.lua

diff --git a/core/certmanager.lua b/core/certmanager.lua
index 5aec22b342a69d02a8fe2adb164da9f6befd949f..d6784a968f68d16c2f7f840576df0fcfc7b63913 100644 (file)
--- a/core/certmanager.lua
+++ b/core/certmanager.lua
@@ -12,6 +12,8 @@ local ssl = ssl;
 local ssl_newcontext = ssl and ssl.newcontext;
 
 local tostring = tostring;
+local type = type;
+local io_open = io.open;
 
 local prosody = prosody;
 local resolve_path = configmanager.resolve_relative_path;
@@ -31,7 +33,7 @@ module "certmanager"
 local default_ssl_config = configmanager.get("*", "ssl");
 local default_capath = "/etc/ssl/certs";
 local default_verify = (ssl and ssl.x509 and { "peer", "client_once", }) or "none";
-local default_options = { "no_sslv2", luasec_has_noticket and "no_ticket" or nil };
+local default_options = { "no_sslv2", "cipher_server_preference", luasec_has_noticket and "no_ticket" or nil };
 local default_verifyext = { "lsec_continue", "lsec_ignore_purpose" };
 
 if ssl and not luasec_has_verifyext and ssl.x509 then
@@ -68,10 +70,21 @@ function create_context(host, mode, user_ssl_config)
                options = user_ssl_config.options or default_options;
                depth = user_ssl_config.depth;
                curve = user_ssl_config.curve or "secp384r1";
-               ciphers = user_ssl_config.ciphers or "HIGH:!DSS:!aNULL@STRENGTH";
+               ciphers = user_ssl_config.ciphers or "HIGH+kEDH:HIGH+kEECDH:HIGH:!PSK:!SRP:!3DES:!aNULL";
                dhparam = user_ssl_config.dhparam;
        };
 
+       -- LuaSec expects dhparam to be a callback that takes two arguments.
+       -- We ignore those because it is mostly used for having a separate
+       -- set of params for EXPORT ciphers, which we don't have by default.
+       if type(ssl_config.dhparam) == "string" then
+               local f, err = io_open(resolve_path(config_path, ssl_config.dhparam));
+               if not f then return nil, "Could not open DH parameters: "..err end
+               local dhparam = f:read("*a");
+               f:close();
+               ssl_config.dhparam = function() return dhparam; end
+       end
+
        local ctx, err = ssl_newcontext(ssl_config);
 
        -- COMPAT: LuaSec 0.4.1 ignores the cipher list from the config, so we have to take