X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_saslauth.lua;h=a02c1ec4223af7174ba22257e4793d7a7af12778;hb=aa05f80d6d6e2d663ba6a5cb65bc32e7eab4baad;hp=f2fe44ea44dd2303b031da326c2004036026b4e8;hpb=4643eae0bf41b461c9337bfb66f9ac80f7e84f11;p=prosody.git diff --git a/plugins/mod_saslauth.lua b/plugins/mod_saslauth.lua index f2fe44ea..a02c1ec4 100644 --- a/plugins/mod_saslauth.lua +++ b/plugins/mod_saslauth.lua @@ -14,19 +14,20 @@ local sm_make_authenticated = require "core.sessionmanager".make_authenticated; local base64 = require "util.encodings".base64; local nodeprep = require "util.encodings".stringprep.nodeprep; -local datamanager_load = require "util.datamanager".load; -local usermanager_validate_credentials = require "core.usermanager".validate_credentials; -local usermanager_get_supported_methods = require "core.usermanager".get_supported_methods; +local usermanager_get_sasl_handler = require "core.usermanager".get_sasl_handler; local usermanager_user_exists = require "core.usermanager".user_exists; -local usermanager_get_password = require "core.usermanager".get_password; local t_concat, t_insert = table.concat, table.insert; local tostring = tostring; -local jid_split = require "util.jid".split; -local md5 = require "util.hashes".md5; -local config = require "core.configmanager"; local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption"); local sasl_backend = module:get_option("sasl_backend") or "builtin"; +local anonymous_login = module:get_option("anonymous_login"); + +-- Cyrus config options +local require_provisioning = module:get_option("cyrus_require_provisioning") or false; +local cyrus_service_realm = module:get_option("cyrus_service_realm"); +local cyrus_service_name = module:get_option("cyrus_service_name"); +local cyrus_application_name = module:get_option("cyrus_application_name"); local log = module._log; @@ -35,7 +36,9 @@ local xmlns_bind ='urn:ietf:params:xml:ns:xmpp-bind'; local xmlns_stanzas ='urn:ietf:params:xml:ns:xmpp-stanzas'; local new_sasl; -if sasl_backend == "cyrus" then +if sasl_backend == "builtin" then + new_sasl = require "util.sasl".new; +elseif sasl_backend == "cyrus" then prosody.unlock_globals(); --FIXME: Figure out why this is needed and -- why cyrussasl isn't caught by the sandbox local ok, cyrus = pcall(require, "util.sasl_cyrus"); @@ -43,33 +46,20 @@ if sasl_backend == "cyrus" then if ok then local cyrus_new = cyrus.new; new_sasl = function(realm) - return cyrus_new(realm, module:get_option("cyrus_service_name") or "xmpp"); + return cyrus_new( + cyrus_service_realm or realm, + cyrus_service_name or "xmpp", + cyrus_application_name or "prosody" + ); end else - sasl_backend = "builtin"; - module:log("warn", "Failed to load Cyrus SASL, falling back to builtin auth mechanisms"); - module:log("debug", "Failed to load Cyrus because: %s", cyrus); + module:log("error", "Failed to load Cyrus SASL because: %s", cyrus); + error("Failed to load Cyrus SASL"); end +else + module:log("error", "Unknown SASL backend: %s", sasl_backend); + error("Unknown SASL backend"); end -if not new_sasl then - if sasl_backend ~= "builtin" then module:log("warn", "Unknown SASL backend %s", sasl_backend); end; - new_sasl = require "util.sasl".new; -end - -local default_authentication_profile = { - plain = function(username, realm) - local prepped_username = nodeprep(username); - if not prepped_username then - log("debug", "NODEprep failed on username: %s", username); - return "", nil; - end - local password = usermanager_get_password(prepped_username, realm); - if not password then - return "", nil; - end - return password, true; - end -}; local anonymous_authentication_profile = { anonymous = function(username, realm) @@ -94,27 +84,35 @@ local function build_reply(status, ret, err_msg) return reply; end -local function handle_status(session, status) +local function handle_status(session, status, ret, err_msg) if status == "failure" then session.sasl_handler = session.sasl_handler:clean_clone(); elseif status == "success" then local username = nodeprep(session.sasl_handler.username); - if not username then -- TODO move this to sessionmanager - module:log("warn", "SASL succeeded but we didn't get a username!"); - session.sasl_handler = nil; - session:reset_stream(); - return; + + if not(require_provisioning) or usermanager_user_exists(username, session.host) then + local ok, err = sm_make_authenticated(session, session.sasl_handler.username); + if ok then + session.sasl_handler = nil; + session:reset_stream(); + else + module:log("warn", "SASL succeeded but username was invalid"); + session.sasl_handler = session.sasl_handler:clean_clone(); + return "failure", "not-authorized", "User authenticated successfully, but username was invalid"; + end + else + module:log("warn", "SASL succeeded but we don't have an account provisioned for %s", username); + session.sasl_handler = session.sasl_handler:clean_clone(); + return "failure", "not-authorized", "User authenticated successfully, but not provisioned for XMPP"; end - sm_make_authenticated(session, session.sasl_handler.username); - session.sasl_handler = nil; - session:reset_stream(); end + return status, ret, err_msg; end local function sasl_handler(session, stanza) if stanza.name == "auth" then -- FIXME ignoring duplicates because ejabberd does - if config.get(session.host or "*", "core", "anonymous_login") then + if anonymous_login then if stanza.attr.mechanism ~= "ANONYMOUS" then return session.send(build_reply("failure", "invalid-mechanism")); end @@ -142,7 +140,7 @@ local function sasl_handler(session, stanza) end end local status, ret, err_msg = session.sasl_handler:process(text); - handle_status(session, status); + status, ret, err_msg = handle_status(session, status, ret, err_msg); local s = build_reply(status, ret, err_msg); log("debug", "sasl reply: %s", tostring(s)); session.send(s); @@ -161,18 +159,17 @@ module:hook("stream-features", function(event) if secure_auth_only and not origin.secure then return; end - local realm = module:get_option("sasl_realm") or origin.host; - if module:get_option("anonymous_login") then - origin.sasl_handler = new_sasl(realm, anonymous_authentication_profile); + if anonymous_login then + origin.sasl_handler = new_sasl(module.host, anonymous_authentication_profile); else - origin.sasl_handler = new_sasl(realm, default_authentication_profile); + origin.sasl_handler = usermanager_get_sasl_handler(module.host); if not (module:get_option("allow_unencrypted_plain_auth")) and not origin.secure then origin.sasl_handler:forbidden({"PLAIN"}); end end features:tag("mechanisms", mechanisms_attr); - for k, v in pairs(origin.sasl_handler:mechanisms()) do - features:tag("mechanism"):text(v):up(); + for k in pairs(origin.sasl_handler:mechanisms()) do + features:tag("mechanism"):text(k):up(); end features:up(); else