firewall_sp_reload_firewall_rules.sql

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-- This program is free software; you can redistribute it and/or modify
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--
-- Create new variant of sp_reload_firewall_rules
--

-- WARNING: If the .sql files are changed in a patch release, then it is
-- possible that the Firewall plugin, after a downgrade, will not work as intended.
-- Please try to avoid changes in patch releases.

DELIMITER $$

CREATE DEFINER='mysql.sys'@'localhost'
  PROCEDURE sp_reload_firewall_rules (
    IN arg_userhost VARCHAR(288))
  SQL SECURITY INVOKER
BEGIN
  DECLARE result VARCHAR(160);
  DECLARE prev_mode VARCHAR(12);
  DECLARE EXIT HANDLER FOR SQLEXCEPTION
    BEGIN
      IF (@prev_mode IS NOT NULL) THEN
        SELECT set_firewall_mode(arg_userhost, @prev_mode) INTO result;
      END IF;
      ROLLBACK;
      RESIGNAL;
    END;
  START TRANSACTION;
  SET @prev_mode = (SELECT mode FROM information_schema.mysql_firewall_users WHERE userhost = arg_userhost);
  SELECT set_firewall_mode(arg_userhost, "RESET") INTO result;
  IF result = "OK" THEN
    INSERT INTO firewall_users VALUES (arg_userhost, "OFF") ON DUPLICATE KEY UPDATE mode="OFF";
    SELECT read_firewall_whitelist(arg_userhost,FW.rule) FROM firewall_whitelist FW WHERE FW.userhost=arg_userhost;
  ELSE
    SELECT result;
  END IF;
  COMMIT;
  SIGNAL SQLSTATE '01000'
  SET MESSAGE_TEXT = "'sp_reload_firewall_rules' is deprecated and will be removed in a future release",
  MYSQL_ERRNO = 1681;
END$$

DELIMITER ;