diff options
| -rw-r--r-- | plugins/mod_auth_internal_hashed.lua | 174 |
1 files changed, 86 insertions, 88 deletions
diff --git a/plugins/mod_auth_internal_hashed.lua b/plugins/mod_auth_internal_hashed.lua index 607ecab4..cbca6861 100644 --- a/plugins/mod_auth_internal_hashed.lua +++ b/plugins/mod_auth_internal_hashed.lua @@ -39,113 +39,111 @@ end -- Default; can be set per-user local iteration_count = 4096; -function new_hashpass_provider(host) - local provider = { name = "internal_hashed" }; - log("debug", "initializing internal_hashed authentication provider for host '%s'", host); +local host = module.host; +-- define auth provider +local provider = { name = "internal_hashed" }; +log("debug", "initializing internal_hashed authentication provider for host '%s'", host); - function provider.test_password(username, password) - 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 = 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; + if provider.set_password(username, credentials.password) == nil then + return nil, "Auth failed. Could not set hashed password from plaintext."; else - return nil, "Auth failed. Invalid username, password, or password hash information."; + return true; end end - 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."; + 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 - - 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, module.host); - return nil, "Auth failed. Invalid username"; - 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 - 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); +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); - return datamanager.store(username, host, "accounts", {stored_key = stored_key_hex, server_key = server_key_hex, salt = salt, iteration_count = iteration_count}); + + 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."; +end - function provider.delete_user(username) - return datamanager.store(username, host, "accounts", nil); +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.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 - 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 new_sasl(module.host, testpass_authentication_profile); +function provider.create_user(username, password) + if password == nil then + return datamanager.store(username, host, "accounts", {}); end - - return provider; + 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 -module:add_item("auth-provider", new_hashpass_provider(module.host)); +function provider.delete_user(username) + return datamanager.store(username, host, "accounts", nil); +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 + 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 new_sasl(host, testpass_authentication_profile); +end + +module:add_item("auth-provider", provider); |