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MDEV-13095 Implement User Account locking

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Add server support for user account locking.
This patch extends the ALTER/CREATE USER statements for
denying a user's subsequent login attempts:
  ALTER USER
    user [, user2] ACCOUNT [LOCK | UNLOCK]
  CREATE USER
    user [, user2] ACCOUNT [LOCK | UNLOCK]
The SHOW CREATE USER statement was updated to display the
locking state of an user.

Closes #1006
This commit is contained in:
Robert Bindar
2019-02-13 20:02:42 +01:00
committed by Sergei Golubchik
parent d89cdfc229
commit 6c8ce999f8
11 changed files with 419 additions and 5 deletions
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142
mysql-test/main/lock_user.test Normal file
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#
# Test user account locking
#
--source include/not_embedded.inc
create user user1@localhost;
create user user2@localhost;
--echo #
--echo # Only privileged users should be able to lock/unlock.
--echo #
alter user user1@localhost account lock;
alter user user1@localhost account unlock;
create user user3@localhost account lock;
drop user user3@localhost;
connect(con1,localhost,user1);
connection con1;
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
alter user user2@localhost account lock;
disconnect con1;
connection default;
--echo #
--echo # ALTER USER USER1 ACCOUNT LOCK should deny the connection of user1,
--echo # but it should allow user2 to connect.
--echo #
alter user user1@localhost account lock;
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
--error ER_ACCOUNT_HAS_BEEN_LOCKED
connect(con1,localhost,user1);
connect(con2,localhost,user2);
disconnect con2;
connection default;
alter user user1@localhost account unlock;
--echo #
--echo # Passing an incorrect user should return an error unless
--echo # IF EXISTS is used
--echo #
--error ER_CANNOT_USER
alter user inexistentUser@localhost account lock;
alter if exists user inexistentUser@localhost account lock;
--echo #
--echo # Passing an existing user to CREATE should not be allowed
--echo # and it should not change the locking state of the current user
--echo #
show create user user1@localhost;
--error ER_CANNOT_USER
create user user1@localhost account lock;
show create user user1@localhost;
--echo #
--echo # Passing multiple users should lock them all
--echo #
alter user user1@localhost, user2@localhost account lock;
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
--error ER_ACCOUNT_HAS_BEEN_LOCKED
connect(con1,localhost,user1);
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
--error ER_ACCOUNT_HAS_BEEN_LOCKED
connect(con2,localhost,user2);
alter user user1@localhost, user2@localhost account unlock;
--echo #
--echo # The locking state is preserved after acl reload
--echo #
alter user user1@localhost account lock;
flush privileges;
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
--error ER_ACCOUNT_HAS_BEEN_LOCKED
connect(con1,localhost,user1);
alter user user1@localhost account unlock;
--echo #
--echo # JSON functions on global_priv reflect the locking state of an account
--echo #
alter user user1@localhost account lock;
select host, user, JSON_VALUE(Priv, '$.account_locked') from mysql.global_priv where user='user1';
alter user user1@localhost account unlock;
select host, user, JSON_VALUE(Priv, '$.account_locked') from mysql.global_priv where user='user1';
--echo #
--echo # SHOW CREATE USER correctly displays the locking state of an user
--echo #
show create user user1@localhost;
alter user user1@localhost account lock;
show create user user1@localhost;
alter user user1@localhost account unlock;
show create user user1@localhost;
create user newuser@localhost account lock;
show create user newuser@localhost;
drop user newuser@localhost;
--echo #
--echo # Users should be able to lock themselves
--echo #
grant CREATE USER on *.* to user1@localhost;
connect(con1,localhost,user1);
connection con1;
alter user user1@localhost account lock;
disconnect con1;
connection default;
--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
--error ER_ACCOUNT_HAS_BEEN_LOCKED
connect(con1,localhost,user1);
alter user user1@localhost account unlock;
--echo #
--echo # Users should be able to unlock themselves if the connections
--echo # had been established before the accounts were locked
--echo #
grant CREATE USER on *.* to user1@localhost;
connect(con1,localhost,user1);
alter user user1@localhost account lock;
connection con1;
alter user user1@localhost account unlock;
show create user user1@localhost;
disconnect con1;
connection default;
--echo #
--echo # COM_CHANGE_USER should return error if the destination
--echo # account is locked
--echo #
alter user user1@localhost account lock;
--error ER_ACCOUNT_HAS_BEEN_LOCKED
--change_user user1
drop user user1@localhost;
drop user user2@localhost;