X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=util%2Fsasl_cyrus.lua;h=980af598a6a2d2f5f0fd1d04b419bd38dc484972;hb=79d11b1b391795d22008cf56acb093cc49abc2bc;hp=a4b3e0d4099ec6db860931f532380917d69058dd;hpb=2949c6844187c10f634e60bf00166c899f90044a;p=prosody.git diff --git a/util/sasl_cyrus.lua b/util/sasl_cyrus.lua index a4b3e0d4..980af598 100644 --- a/util/sasl_cyrus.lua +++ b/util/sasl_cyrus.lua @@ -19,36 +19,40 @@ local tostring = tostring; local pairs, ipairs = pairs, ipairs; local t_insert, t_concat = table.insert, table.concat; local s_match = string.match; +local setmetatable = setmetatable local keys = keys; local print = print +local pcall = pcall +local s_match, s_gmatch = string.match, string.gmatch module "sasl_cyrus" local method = {}; method.__index = method; -local mechanisms = {}; -local backend_mechanism = {}; - --- register a new SASL mechanims -local function registerMechanism(name, backends, f) - assert(type(name) == "string", "Parameter name MUST be a string."); - assert(type(backends) == "string" or type(backends) == "table", "Parameter backends MUST be either a string or a table."); - assert(type(f) == "function", "Parameter f MUST be a function."); - mechanisms[name] = f - for _, backend_name in ipairs(backends) do - if backend_mechanism[backend_name] == nil then backend_mechanism[backend_name] = {}; end - t_insert(backend_mechanism[backend_name], name); +local initialized = false; + +local function init(service_name) + if not initialized then + local st, errmsg = pcall(cyrussasl.server_init, service_name); + if st then + initialized = true; + else + log("error", "Failed to initialize CyrusSASL: %s", errmsg); + end end end -- create a new SASL object which can be used to authenticate clients function new(realm, service_name) local sasl_i = {}; + + init(service_name); + sasl_i.realm = realm; sasl_i.service_name = service_name; - sasl_i.cyrus = cyrussasl.server_new(service_name, realm, realm, nil, nil) + sasl_i.cyrus = cyrussasl.server_new(service_name, nil, nil, nil, nil) if sasl_i.cyrus == 0 then log("error", "got NULL return value from server_new") return nil; @@ -72,28 +76,30 @@ end -- get a list of possible SASL mechanims to use function method:mechanisms() local mechanisms = {} - local cyrus_mechs = cyrussasl.listmech(self.cyrus) - for w in s_gmatch(cyrus_mechs, "%a+") do + local cyrus_mechs = cyrussasl.listmech(self.cyrus, nil, "", " ", "") + for w in s_gmatch(cyrus_mechs, "[^ ]+") do mechanisms[w] = true; end - self.mechanisms = mechanisms + self.mechs = mechanisms return array.collect(keys(mechanisms)); end -- select a mechanism to use function method:select(mechanism) self.mechanism = mechanism; - return not self.mechanisms[mechanisms]; + if not self.mechs then self:mechanisms(); end + return self.mechs[mechanism]; end -- feed new messages to process into the library function method:process(message) local err; local data; + if self.mechanism then - err, data = cyrussasl.server_start(self.cyrus, self.mechanism, message) + err, data = cyrussasl.server_start(self.cyrus, self.mechanism, message or "") else - err, data = cyrussasl.server_step(self.cyrus, message) + err, data = cyrussasl.server_step(self.cyrus, message or "") end self.username = cyrussasl.get_username(self.cyrus) @@ -108,7 +114,7 @@ function method:process(message) "undefined-condition", "SASL mechanism not available" elseif (err == -13) then -- SASL_BADAUTH - return "failure", "not-authorized" + return "failure", "not-authorized", cyrussasl.get_message( self.cyrus ) else log("debug", "Got SASL error condition %d", err) return "failure",