80 lines
3.2 KiB
SQL
80 lines
3.2 KiB
SQL
-- Copyright (c) 2020, 2024, Oracle and/or its affiliates.
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License, version 2.0,
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-- as published by the Free Software Foundation.
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--
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-- This program is designed to work with certain software (including
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-- but not limited to OpenSSL) that is licensed under separate terms,
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-- as designated in a particular file or component or in included license
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-- documentation. The authors of MySQL hereby grant you an additional
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-- permission to link the program and your derivative works with the
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-- separately licensed software that they have either included with
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-- the program or referenced in the documentation.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License, version 2.0, for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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--
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-- Create new variant of sp_set_firewall_group_mode
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--
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-- WARNING: If the .sql files are changed in a patch release, then it is
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-- possible that the Firewall plugin, after a downgrade, will not work as intended.
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-- Please try to avoid changes in patch releases.
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DELIMITER $$
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CREATE DEFINER='mysql.sys'@'localhost'
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PROCEDURE sp_set_firewall_group_mode (
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IN arg_group_name VARCHAR(288),
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IN arg_mode VARCHAR(12))
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SQL SECURITY INVOKER
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BEGIN
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DECLARE result VARCHAR(160);
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DECLARE prev_mode VARCHAR(12);
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DECLARE prev_user VARCHAR(288);
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DECLARE reset_done BOOLEAN DEFAULT False;
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DECLARE EXIT HANDLER FOR SQLEXCEPTION
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BEGIN
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IF (@prev_mode IS NOT NULL) THEN
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SELECT set_firewall_group_mode(arg_group_name, @prev_mode, IF(@prev_user IS NOT NULL, @prev_user, '')) INTO result;
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END IF;
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ROLLBACK;
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RESIGNAL;
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END;
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START TRANSACTION;
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SET @prev_mode = (SELECT mode FROM performance_schema.firewall_groups WHERE name = arg_group_name);
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SET @prev_user = (SELECT userhost FROM performance_schema.firewall_groups WHERE name = arg_group_name);
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IF arg_mode = "RECORDING" THEN
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SELECT read_firewall_group_allowlist(arg_group_name,FW.rule) FROM firewall_group_allowlist FW WHERE name = arg_group_name;
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END IF;
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SELECT set_firewall_group_mode(arg_group_name, arg_mode) INTO result;
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IF arg_mode = "RESET" THEN
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DELETE FROM firewall_group_allowlist WHERE name = arg_group_name;
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SET arg_mode = "OFF";
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SET reset_done = True;
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END IF;
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IF result = "OK" THEN
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INSERT INTO firewall_groups VALUES (arg_group_name, arg_mode, NULL) ON DUPLICATE KEY UPDATE mode=arg_mode;
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ELSE
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SELECT result;
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END IF;
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IF arg_mode = "PROTECTING" OR arg_mode = "DETECTING" OR (arg_mode = "OFF" AND reset_done = False) THEN
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INSERT INTO firewall_group_allowlist(name, rule)
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(
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SELECT name, rule FROM performance_schema.firewall_group_allowlist WHERE name=arg_group_name
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EXCEPT
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SELECT name, rule FROM firewall_group_allowlist WHERE name = arg_group_name
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);
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END IF;
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COMMIT;
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END$$
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DELIMITER ;
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