X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_auth_internal_hashed.lua;h=4535f9c9b26593834ea5eaea20e8e72d111ba9ec;hb=99b003b1917a8ab0b561f7fb98d28d1fad8f8dc8;hp=4e55458494a40a346032db6bcac7992a0ce3b2c3;hpb=1ec371a6c3638f7cc19516a40e3d478df10d8760;p=prosody.git diff --git a/plugins/mod_auth_internal_hashed.lua b/plugins/mod_auth_internal_hashed.lua index 4e554584..4535f9c9 100644 --- a/plugins/mod_auth_internal_hashed.lua +++ b/plugins/mod_auth_internal_hashed.lua @@ -8,167 +8,146 @@ -- local datamanager = require "util.datamanager"; -local log = require "util.logger".init("usermanager"); -local type = type; -local error = error; -local ipairs = ipairs; -local hashes = require "util.hashes"; -local jid_bare = require "util.jid".bare; +local log = require "util.logger".init("auth_internal_hashed"); local getAuthenticationDatabaseSHA1 = require "util.sasl.scram".getAuthenticationDatabaseSHA1; -local config = require "core.configmanager"; local usermanager = require "core.usermanager"; local generate_uuid = require "util.uuid".generate; local new_sasl = require "util.sasl".new; local nodeprep = require "util.encodings".stringprep.nodeprep; -local hosts = hosts; --- TODO: remove these two lines in near future -local hmac_sha1 = require "util.hmac".sha1; -local sha1 = require "util.hashes".sha1; +local to_hex; +do + local function replace_byte_with_hex(byte) + return ("%02x"):format(byte:byte()); + end + function to_hex(binary_string) + return binary_string:gsub(".", replace_byte_with_hex); + end +end -local prosody = _G.prosody; +local from_hex; +do + local function replace_hex_with_byte(hex) + return string.char(tonumber(hex, 16)); + end + function from_hex(hex_string) + return hex_string:gsub("..", replace_hex_with_byte); + end +end -local is_cyrus = usermanager.is_cyrus; -- Default; can be set per-user local iteration_count = 4096; -function new_hashpass_provider(host) - local provider = { name = "internal_hashed" }; - log("debug", "initializing hashpass authentication provider for host '%s'", host); +local host = module.host; +-- define auth provider +local provider = {}; +log("debug", "initializing internal_hashed authentication provider for host '%s'", host); - function provider.test_password(username, password) - if is_cyrus(host) then return nil, "Legacy auth not supported with Cyrus SASL."; end - local credentials = datamanager.load(username, host, "accounts") or {}; - - if credentials.password ~= nil and string.len(credentials.password) ~= 0 then - if credentials.password ~= password then - return nil, "Auth failed. Provided password is incorrect."; - end +function provider.test_password(username, password) + local credentials = datamanager.load(username, host, "accounts") or {}; - if provider.set_password(username, credentials.password) == nil then - return nil, "Auth failed. Could not set hashed password from plaintext."; - else - return true; - end + if credentials.password ~= nil and string.len(credentials.password) ~= 0 then + if credentials.password ~= password then + return nil, "Auth failed. Provided password is incorrect."; end - if credentials.iteration_count == nil or credentials.salt == nil or string.len(credentials.salt) == 0 then - return nil, "Auth failed. Stored salt and iteration count information is not complete."; - end - - local valid, stored_key, server_key - - if credentials.hexpass then - -- convert hexpass to stored_key and server_key - -- TODO: remove this in near future - valid = true; - local salted_password = credentials.hexpass:gsub("..", function(x) return string.char(tonumber(x, 16)); end); - - stored_key = sha1(hmac_sha1(salted_password, "Client Key")) - server_key = hmac_sha1(salted_password, "Server Key"); + if provider.set_password(username, credentials.password) == nil then + return nil, "Auth failed. Could not set hashed password from plaintext."; else - valid, stored_key, server_key = getAuthenticationDatabaseSHA1(password, credentials.salt, credentials.iteration_count); - end - - local stored_key_hex = stored_key:gsub(".", function (c) return ("%02x"):format(c:byte()); end); - local server_key_hex = server_key:gsub(".", function (c) return ("%02x"):format(c:byte()); end); - - if valid and stored_key_hex == credentials.stored_key and server_key_hex == credentials.server_key_hex then return true; - else - return nil, "Auth failed. Invalid username, password, or password hash information."; end end - function provider.set_password(username, password) - if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end - local account = datamanager.load(username, host, "accounts"); - if account then - if account.iteration_count == nil then - account.iteration_count = iteration_count; - end + if credentials.iteration_count == nil or credentials.salt == nil or string.len(credentials.salt) == 0 then + return nil, "Auth failed. Stored salt and iteration count information is not complete."; + end + + local valid, stored_key, server_key = getAuthenticationDatabaseSHA1(password, credentials.salt, credentials.iteration_count); + + local stored_key_hex = to_hex(stored_key); + local server_key_hex = to_hex(server_key); + + if valid and stored_key_hex == credentials.stored_key and server_key_hex == credentials.server_key then + return true; + else + return nil, "Auth failed. Invalid username, password, or password hash information."; + end +end - if account.salt == nil then - account.salt = generate_uuid(); - end - - local valid, stored_key, server_key = getAuthenticationDatabaseSHA1(password, credentials.salt, credentials.iteration_count); - local stored_key_hex = stored_key:gsub(".", function (c) return ("%02x"):format(c:byte()); end); - local server_key_hex = server_key:gsub(".", function (c) return ("%02x"):format(c:byte()); end); - - account.stored_key = stored_key_hex - account.server_key = server_key_hex +function provider.set_password(username, password) + local account = datamanager.load(username, host, "accounts"); + if account then + account.salt = account.salt or generate_uuid(); + account.iteration_count = account.iteration_count or iteration_count; + local valid, stored_key, server_key = getAuthenticationDatabaseSHA1(password, account.salt, account.iteration_count); + local stored_key_hex = to_hex(stored_key); + local server_key_hex = to_hex(server_key); + + account.stored_key = stored_key_hex + account.server_key = server_key_hex - account.password = nil; - return datamanager.store(username, host, "accounts", account); - end - return nil, "Account not available."; + account.password = nil; + return datamanager.store(username, host, "accounts", account); end + return nil, "Account not available."; +end - function provider.user_exists(username) - if is_cyrus(host) then return true; end - local account = datamanager.load(username, host, "accounts"); - if not account then - log("debug", "account not found for username '%s' at host '%s'", username, module.host); - return nil, "Auth failed. Invalid username"; - end - if (account.hashpass == nil or string.len(account.hashpass) == 0) and (account.password == nil or string.len(account.password) == 0) then - log("debug", "account password not set or zero-length for username '%s' at host '%s'", username, module.host); - return nil, "Auth failed. Password invalid."; - end - return true; +function provider.user_exists(username) + local account = datamanager.load(username, host, "accounts"); + if not account then + log("debug", "account not found for username '%s' at host '%s'", username, host); + return nil, "Auth failed. Invalid username"; end + return true; +end - function provider.create_user(username, password) - if is_cyrus(host) then return nil, "Account creation/modification not available with Cyrus SASL."; end - local salt = generate_uuid(); - local valid, stored_key, server_key = saltedPasswordSHA1(password, salt, iteration_count); - local stored_key_hex = stored_key:gsub(".", function (c) return ("%02x"):format(c:byte()); end); - local server_key_hex = server_key:gsub(".", function (c) return ("%02x"):format(c:byte()); end); - return datamanager.store(username, host, "accounts", {stored_key = stored_key_hex, server_key = server_key_hex, salt = salt, iteration_count = iteration_count}); - end +function provider.users() + return datamanager.users(host, "accounts"); +end - function provider.get_sasl_handler() - local realm = module:get_option("sasl_realm") or module.host; - local testpass_authentication_profile = { - plain_test = function(username, password, realm) - local prepped_username = nodeprep(username); - if not prepped_username then - log("debug", "NODEprep failed on username: %s", username); - return "", nil; - end - return usermanager.test_password(prepped_username, password, realm), true; - end, - scram_sha_1 = function(username, realm) - local credentials = datamanager.load(username, host, "accounts") or {}; - if credentials.password then - usermanager.set_password(username, credentials.password); - credentials = datamanager.load(username, host, "accounts") or {}; - end - local stored_key, server_key, iteration_count, salt = credentials.stored_key, credentials.server_key, credentials.iteration_count, credentials.salt; - stored_key = stored_key and stored_key:gsub("..", function(x) return string.char(tonumber(x, 16)); end); - server_key = server_key and server_key:gsub("..", function(x) return string.char(tonumber(x, 16)); end); - return stored_key, server_key, iteration_count, salt, true; - end - }; - return new_sasl(realm, testpass_authentication_profile); +function provider.create_user(username, password) + if password == nil then + return datamanager.store(username, host, "accounts", {}); end + local salt = generate_uuid(); + local valid, stored_key, server_key = getAuthenticationDatabaseSHA1(password, salt, iteration_count); + local stored_key_hex = to_hex(stored_key); + local server_key_hex = to_hex(server_key); + return datamanager.store(username, host, "accounts", {stored_key = stored_key_hex, server_key = server_key_hex, salt = salt, iteration_count = iteration_count}); +end + +function provider.delete_user(username) + return datamanager.store(username, host, "accounts", nil); +end - function provider.is_admin(jid) - local admins = config.get(host, "core", "admins"); - if admins ~= config.get("*", "core", "admins") and type(admins) == "table" then - jid = jid_bare(jid); - for _,admin in ipairs(admins) do - if admin == jid then return true; end +function provider.get_sasl_handler() + local testpass_authentication_profile = { + plain_test = function(sasl, username, password, realm) + local prepped_username = nodeprep(username); + if not prepped_username then + log("debug", "NODEprep failed on username: %s", username); + return "", nil; end - elseif admins then - log("error", "Option 'admins' for host '%s' is not a table", host); + return usermanager.test_password(prepped_username, realm, password), true; + end, + scram_sha_1 = function(sasl, username, realm) + local credentials = datamanager.load(username, host, "accounts"); + if not credentials then return; end + if credentials.password then + usermanager.set_password(username, credentials.password, host); + credentials = datamanager.load(username, host, "accounts"); + if not credentials then return; end + end + + local stored_key, server_key, iteration_count, salt = credentials.stored_key, credentials.server_key, credentials.iteration_count, credentials.salt; + stored_key = stored_key and from_hex(stored_key); + server_key = server_key and from_hex(server_key); + return stored_key, server_key, iteration_count, salt, true; end - return is_admin(jid); -- Test whether it's a global admin instead - end - return provider; + }; + return new_sasl(host, testpass_authentication_profile); end - -module:add_item("auth-provider", new_hashpass_provider(module.host)); + +module:provides("auth", provider);