local ssl = ssl;
local ssl_newcontext = ssl and ssl.newcontext;
-local setmetatable, tostring = setmetatable, tostring;
+local tostring = tostring;
+local pairs = pairs;
local prosody = prosody;
local resolve_path = configmanager.resolve_relative_path;
local config_path = prosody.paths.config;
+local luasec_has_noticket, luasec_has_verifyext, luasec_has_no_compression;
+if ssl then
+ local luasec_major, luasec_minor = ssl._VERSION:match("^(%d+)%.(%d+)");
+ luasec_has_noticket = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=4;
+ luasec_has_verifyext = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=5;
+ luasec_has_no_compression = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=5;
+end
+
module "certmanager"
-- Global SSL options if not overridden per-host
-local default_ssl_config = configmanager.get("*", "core", "ssl");
-local default_capath = "/etc/ssl/certs";
-local default_verify = (ssl and ssl.x509 and { "peer", "client_once", "continue", "ignore_purpose" }) or "none";
-local default_options = { "no_sslv2" };
+local global_ssl_config = configmanager.get("*", "ssl");
+
+local core_defaults = {
+ capath = "/etc/ssl/certs";
+ protocol = "sslv23";
+ verify = (ssl and ssl.x509 and { "peer", "client_once", }) or "none";
+ options = { "no_sslv2", luasec_has_noticket and "no_ticket" or nil };
+ verifyext = { "lsec_continue", "lsec_ignore_purpose" };
+ curve = "secp384r1";
+ ciphers = "HIGH:!DSS:!aNULL@STRENGTH";
+}
+local path_options = { -- These we pass through resolve_path()
+ key = true, certificate = true, cafile = true, capath = true
+}
+
+if ssl and not luasec_has_verifyext and ssl.x509 then
+ -- COMPAT mw/luasec-hg
+ for i=1,#core_defaults.verifyext do -- Remove lsec_ prefix
+ core_defaults.verify[#core_defaults.verify+1] = core_defaults.verifyext[i]:sub(6);
+ end
+end
+
+if luasec_has_no_compression and configmanager.get("*", "ssl_compression") ~= true then
+ core_defaults.options[#core_defaults.options+1] = "no_compression";
+end
function create_context(host, mode, user_ssl_config)
- user_ssl_config = user_ssl_config or default_ssl_config;
+ user_ssl_config = user_ssl_config or {}
+ user_ssl_config.mode = mode;
if not ssl then return nil, "LuaSec (required for encryption) was not found"; end
- if not user_ssl_config then return nil, "No SSL/TLS configuration present for "..host; end
-
- local ssl_config = {
- mode = mode;
- protocol = user_ssl_config.protocol or "sslv23";
- key = resolve_path(config_path, user_ssl_config.key);
- password = user_ssl_config.password;
- certificate = resolve_path(config_path, user_ssl_config.certificate);
- capath = resolve_path(config_path, user_ssl_config.capath or default_capath);
- cafile = resolve_path(config_path, user_ssl_config.cafile);
- verify = user_ssl_config.verify or default_verify;
- options = user_ssl_config.options or default_options;
- ciphers = user_ssl_config.ciphers;
- depth = user_ssl_config.depth;
- };
-
- local ctx, err = ssl_newcontext(ssl_config);
+
+ if global_ssl_config then
+ for option,default_value in pairs(global_ssl_config) do
+ if not user_ssl_config[option] then
+ user_ssl_config[option] = default_value;
+ end
+ end
+ end
+ for option,default_value in pairs(core_defaults) do
+ if not user_ssl_config[option] then
+ user_ssl_config[option] = default_value;
+ end
+ end
+ user_ssl_config.password = user_ssl_config.password or function() log("error", "Encrypted certificate for %s requires 'ssl' 'password' to be set in config", host); end;
+ for option in pairs(path_options) do
+ user_ssl_config[option] = user_ssl_config[option] and resolve_path(config_path, user_ssl_config[option]);
+ end
+
+ if not user_ssl_config.key then return nil, "No key present in SSL/TLS configuration for "..host; end
+ if not user_ssl_config.certificate then return nil, "No certificate present in SSL/TLS configuration for "..host; end
+
+ local ctx, err = ssl_newcontext(user_ssl_config);
+
+ -- COMPAT Older LuaSec ignores the cipher list from the config, so we have to take care
+ -- of it ourselves (W/A for #x)
+ if ctx and user_ssl_config.ciphers then
+ local success;
+ success, err = ssl.context.setcipher(ctx, user_ssl_config.ciphers);
+ if not success then ctx = nil; end
+ end
+
if not ctx then
err = err or "invalid ssl config"
local file = err:match("^error loading (.-) %(");
if file then
if file == "private key" then
- file = ssl_config.key or "your private key";
+ file = user_ssl_config.key or "your private key";
elseif file == "certificate" then
- file = ssl_config.certificate or "your certificate file";
+ file = user_ssl_config.certificate or "your certificate file";
end
local reason = err:match("%((.+)%)$") or "some reason";
if reason == "Permission denied" then
else
reason = "Reason: "..tostring(reason):lower();
end
- log("error", "SSL/TLS: Failed to load %s: %s", file, reason);
+ log("error", "SSL/TLS: Failed to load '%s': %s (for %s)", file, reason, host);
else
- log("error", "SSL/TLS: Error initialising for host %s: %s", host, err );
+ log("error", "SSL/TLS: Error initialising for %s: %s", host, err);
end
end
return ctx, err;
end
function reload_ssl_config()
- default_ssl_config = configmanager.get("*", "core", "ssl");
+ global_ssl_config = configmanager.get("*", "ssl");
end
prosody.events.add_handler("config-reloaded", reload_ssl_config);
projects / prosody.git / blobdiff