SET @global=@@global.max_password_errors;
#
# MDEV-21961 Bind CONNECTION ADMIN to a number of global system variables
#
# Test that "SET max_password_errors" is not allowed without CONNECTION ADMIN or SUPER
CREATE USER user1@localhost;
GRANT ALL PRIVILEGES ON *.* TO user1@localhost;
REVOKE CONNECTION ADMIN, SUPER ON *.* FROM user1@localhost;
connect user1,localhost,user1,,;
connection user1;
SET GLOBAL max_password_errors=10;
ERROR 42000: Access denied; you need (at least one of) the SUPER, CONNECTION ADMIN privilege(s) for this operation
SET max_password_errors=10;
ERROR HY000: Variable 'max_password_errors' is a GLOBAL variable and should be set with SET GLOBAL
SET SESSION max_password_errors=10;
ERROR HY000: Variable 'max_password_errors' is a GLOBAL variable and should be set with SET GLOBAL
disconnect user1;
connection default;
DROP USER user1@localhost;
# Test that "SET max_password_errors" is allowed with CONNECTION ADMIN
CREATE USER user1@localhost;
GRANT CONNECTION ADMIN ON *.* TO user1@localhost;
connect user1,localhost,user1,,;
connection user1;
SET GLOBAL max_password_errors=10;
SET max_password_errors=10;
ERROR HY000: Variable 'max_password_errors' is a GLOBAL variable and should be set with SET GLOBAL
SET SESSION max_password_errors=10;
ERROR HY000: Variable 'max_password_errors' is a GLOBAL variable and should be set with SET GLOBAL
disconnect user1;
connection default;
DROP USER user1@localhost;
# Test that "SET max_password_errors" is allowed with SUPER
CREATE USER user1@localhost;
GRANT SUPER ON *.* TO user1@localhost;
connect user1,localhost,user1,,;
connection user1;
SET GLOBAL max_password_errors=10;
SET max_password_errors=10;
ERROR HY000: Variable 'max_password_errors' is a GLOBAL variable and should be set with SET GLOBAL
SET SESSION max_password_errors=10;
ERROR HY000: Variable 'max_password_errors' is a GLOBAL variable and should be set with SET GLOBAL
disconnect user1;
connection default;
DROP USER user1@localhost;
SET @@global.max_password_errors=@global;