-- COPYING file in the source package for more information.
--
+local softreq = require"util.dependencies".softreq;
+local ssl = softreq"ssl";
+if not ssl then
+ return {
+ create_context = function ()
+ return nil, "LuaSec (required for encryption) was not found";
+ end;
+ reload_ssl_config = function () end;
+ }
+end
+
local configmanager = require "core.configmanager";
local log = require "util.logger".init("certmanager");
-local ssl = ssl;
-local ssl_newcontext = ssl and ssl.newcontext;
+local ssl_context = ssl.context or softreq"ssl.context";
+local ssl_x509 = ssl.x509 or softreq"ssl.x509";
+local ssl_newcontext = ssl.newcontext;
local new_config = require"util.sslconfig".new;
+local stat = require "lfs".attributes;
-local tostring = tostring;
+local tonumber, tostring = tonumber, tostring;
local pairs = pairs;
local type = type;
local io_open = io.open;
local resolve_path = require"util.paths".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
+local luasec_major, luasec_minor = ssl._VERSION:match("^(%d+)%.(%d+)");
+local luasec_version = tonumber(luasec_major) * 100 + tonumber(luasec_minor);
+local luasec_has = {
+ -- TODO If LuaSec ever starts exposing these things itself, use that instead
+ cipher_server_preference = luasec_version >= 2;
+ no_ticket = luasec_version >= 4;
+ no_compression = luasec_version >= 5;
+ single_dh_use = luasec_version >= 2;
+ single_ecdh_use = luasec_version >= 2;
+};
-module "certmanager"
+local _ENV = nil;
-- Global SSL options if not overridden per-host
local global_ssl_config = configmanager.get("*", "ssl");
+local global_certificates = configmanager.get("*", "certificates") or "certs";
+
+local crt_try = { "", "/%s.crt", "/%s/fullchain.pem", "/%s.pem", };
+local key_try = { "", "/%s.key", "/%s/privkey.pem", "/%s.pem", };
+
+local function find_cert(user_certs, name)
+ local certs = resolve_path(config_path, user_certs or global_certificates);
+ for i = 1, #crt_try do
+ local crt_path = certs .. crt_try[i]:format(name);
+ local key_path = certs .. key_try[i]:format(name);
+
+ if stat(crt_path, "mode") == "file" then
+ if key_path:sub(-4) == ".crt" then
+ key_path = key_path:sub(1, -4) .. "key";
+ if stat(key_path, "mode") == "file" then
+ return { certificate = crt_path, key = key_path };
+ end
+ elseif stat(key_path, "mode") == "file" then
+ return { certificate = crt_path, key = key_path };
+ end
+ end
+ end
+end
+
+local function find_host_cert(host)
+ if not host then return nil; end
+ return find_cert(configmanager.get(host, "certificate"), host) or find_host_cert(host:match("%.(.+)$"));
+end
+
+local function find_service_cert(service, port)
+ local cert_config = configmanager.get("*", service.."_certificate");
+ if type(cert_config) == "table" then
+ cert_config = cert_config[port] or cert_config.default;
+ end
+ return find_cert(cert_config, service);
+end
+
-- Built-in defaults
local core_defaults = {
capath = "/etc/ssl/certs";
+ depth = 9;
protocol = "tlsv1+";
- verify = (ssl and ssl.x509 and { "peer", "client_once", }) or "none";
+ verify = (ssl_x509 and { "peer", "client_once", }) or "none";
options = {
- cipher_server_preference = true;
- no_ticket = luasec_has_noticket;
- no_compression = luasec_has_no_compression and configmanager.get("*", "ssl_compression") ~= true;
- -- Has no_compression? Then it has these too...
- single_dh_use = luasec_has_no_compression;
- single_ecdh_use = luasec_has_no_compression;
+ cipher_server_preference = luasec_has.cipher_server_preference;
+ no_ticket = luasec_has.no_ticket;
+ no_compression = luasec_has.no_compression and configmanager.get("*", "ssl_compression") ~= true;
+ single_dh_use = luasec_has.single_dh_use;
+ single_ecdh_use = luasec_has.single_ecdh_use;
};
verifyext = { "lsec_continue", "lsec_ignore_purpose" };
curve = "secp384r1";
key = true, certificate = true, cafile = true, capath = true, dhparam = true
}
-if ssl and not luasec_has_verifyext and ssl.x509 then
+if luasec_version < 5 and ssl_x509 then
-- COMPAT mw/luasec-hg
for i=1,#core_defaults.verifyext do -- Remove lsec_ prefix
core_defaults.verify[#core_defaults.verify+1] = core_defaults.verifyext[i]:sub(6);
end
end
-function create_context(host, mode, ...)
- if not ssl then return nil, "LuaSec (required for encryption) was not found"; end
-
+local function create_context(host, mode, ...)
local cfg = new_config();
cfg:apply(core_defaults);
- cfg:apply(global_ssl_config);
+ local service_name, port = host:match("^(%w+) port (%d+)$");
+ if service_name then
+ cfg:apply(find_service_cert(service_name, tonumber(port)));
+ else
+ cfg:apply(find_host_cert(host));
+ end
cfg:apply({
mode = mode,
-- We can't read the password interactively when daemonized
password = function() log("error", "Encrypted certificate for %s requires 'ssl' 'password' to be set in config", host); end;
});
+ cfg:apply(global_ssl_config);
for i = select('#', ...), 1, -1 do
cfg:apply(select(i, ...));
for option in pairs(path_options) do
if type(user_ssl_config[option]) == "string" then
user_ssl_config[option] = resolve_path(config_path, user_ssl_config[option]);
+ else
+ user_ssl_config[option] = nil;
end
end
-- 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);
+ success, err = ssl_context.setcipher(ctx, user_ssl_config.ciphers);
if not success then ctx = nil; end
end
log("error", "SSL/TLS: Error initialising for %s: %s", host, err);
end
end
- return ctx, err;
+ return ctx, err, user_ssl_config;
end
-function reload_ssl_config()
+local function reload_ssl_config()
global_ssl_config = configmanager.get("*", "ssl");
- if luasec_has_no_compression then
+ if luasec_has.no_compression then
core_defaults.options.no_compression = configmanager.get("*", "ssl_compression") ~= true;
end
end
prosody.events.add_handler("config-reloaded", reload_ssl_config);
-return _M;
+return {
+ create_context = create_context;
+ reload_ssl_config = reload_ssl_config;
+};
projects / prosody.git / blobdiff