X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=core%2Fcertmanager.lua;h=a4c9d891cbc2424003bdfb07681a5b8d1cb1a08b;hb=860f0f214ccd358b71b38e4f70ca38c40e079892;hp=837fe23192ef6f4882c8d882c430025e8e18bff9;hpb=e59d6ea986ec9c67fdda12f1861ed430ec2ea591;p=prosody.git diff --git a/core/certmanager.lua b/core/certmanager.lua index 837fe231..a4c9d891 100644 --- a/core/certmanager.lua +++ b/core/certmanager.lua @@ -6,13 +6,26 @@ -- 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; @@ -22,31 +35,71 @@ local prosody = prosody; 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 = luasec_major * 100 + 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("%.(.+)$")); +end + +local function find_service_cert(service, port) + local cert_config = configmanager.get("*", service.."_certificate"); + if type(cert_config) == "table" then + cert_config = cert_config[port] or cert_config.default; + end + return find_cert(cert_config, service); +end + -- Built-in defaults local core_defaults = { capath = "/etc/ssl/certs"; + depth = 9; protocol = "tlsv1+"; - verify = (ssl and ssl.x509 and { "peer", "client_once", }) or "none"; + verify = (ssl_x509 and { "peer", "client_once", }) or "none"; options = { - cipher_server_preference = true; - no_ticket = luasec_has_noticket; - no_compression = luasec_has_no_compression and configmanager.get("*", "ssl_compression") ~= true; - -- Has no_compression? Then it has these too... - single_dh_use = luasec_has_no_compression; - single_ecdh_use = luasec_has_no_compression; + cipher_server_preference = luasec_has.cipher_server_preference; + no_ticket = luasec_has.no_ticket; + no_compression = luasec_has.no_compression and configmanager.get("*", "ssl_compression") ~= true; + single_dh_use = luasec_has.single_dh_use; + single_ecdh_use = luasec_has.single_ecdh_use; }; verifyext = { "lsec_continue", "lsec_ignore_purpose" }; curve = "secp384r1"; @@ -56,24 +109,28 @@ local path_options = { -- These we pass through resolve_path() key = true, certificate = true, cafile = true, capath = true, dhparam = true } -if ssl and not luasec_has_verifyext and ssl.x509 then +if luasec_version < 5 and ssl_x509 then -- COMPAT mw/luasec-hg for i=1,#core_defaults.verifyext do -- Remove lsec_ prefix core_defaults.verify[#core_defaults.verify+1] = core_defaults.verifyext[i]:sub(6); end end -function create_context(host, mode, ...) - if not ssl then return nil, "LuaSec (required for encryption) was not found"; end - +local function create_context(host, mode, ...) local cfg = new_config(); cfg:apply(core_defaults); - cfg:apply(global_ssl_config); + local service_name, port = host:match("^(%w+) port (%d+)$"); + 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, ...)); @@ -88,6 +145,8 @@ function create_context(host, mode, ...) 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 @@ -108,7 +167,7 @@ function create_context(host, mode, ...) -- 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 @@ -138,16 +197,19 @@ function create_context(host, mode, ...) 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; +};