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MDEV-21858: START/STOP ALL SLAVES does not return access errors

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Check the user privileges and fail the command, even if there are no slaves
that need starting respectively stopping.

Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
This commit is contained in:
Kristian Nielsen 2024-12-02 14:14:12 +01:00
parent 867b53cf4e
commit f8eab69c3e
3 changed files with 73 additions and 0 deletions
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28
mysql-test/suite/multi_source/simple.result
View file

@ -520,6 +520,34 @@ Slave_received_heartbeats 0
Slave_heartbeat_period 60.000
Gtid_Slave_Pos
stop all slaves;
#
# MDEV-21858: START/STOP ALL SLAVES does not return access errors
#
connection slave;
SET SESSION sql_log_bin=0;
CREATE USER 'unpriv'@'127.0.0.1';
GRANT USAGE ON *.* TO 'unpriv'@'127.0.0.1';
connect con1,127.0.0.1,unpriv,,,$SERVER_MYPORT_3;
STOP SLAVE 'slave2';
ERROR 42000: Access denied; you need (at least one of) the REPLICATION SLAVE ADMIN privilege(s) for this operation
START SLAVE 'slave2';
ERROR 42000: Access denied; you need (at least one of) the REPLICATION SLAVE ADMIN privilege(s) for this operation
STOP ALL SLAVES;
ERROR 42000: Access denied; you need (at least one of) the REPLICATION SLAVE ADMIN privilege(s) for this operation
connection slave;
START SLAVE 'slave2';
set default_master_connection = 'slave2';
include/wait_for_slave_to_start.inc
connection con1;
START ALL SLAVES;
ERROR 42000: Access denied; you need (at least one of) the REPLICATION SLAVE ADMIN privilege(s) for this operation
disconnect con1;
connection slave;
STOP SLAVE 'slave2';
set default_master_connection = 'slave2';
include/wait_for_slave_to_stop.inc
DROP USER 'unpriv'@'127.0.0.1';
SET SESSION sql_log_bin=1;
include/reset_master_slave.inc
disconnect slave;
connection master1;

38
mysql-test/suite/multi_source/simple.test
View file

@ -84,6 +84,44 @@ query_vertical show all slaves status;
# Ensure that start all slaves doesn't do anything as all slaves are stopped
stop all slaves;
--echo #
--echo # MDEV-21858: START/STOP ALL SLAVES does not return access errors
--echo #
--connection slave
SET SESSION sql_log_bin=0;
CREATE USER 'unpriv'@'127.0.0.1';
GRANT USAGE ON *.* TO 'unpriv'@'127.0.0.1';
connect (con1,127.0.0.1,unpriv,,,$SERVER_MYPORT_3);
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
STOP SLAVE 'slave2';
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
START SLAVE 'slave2';
# Test that STOP/START ALL SLAVES checks privileges, even if there are no
# slaves that need stopping or starting.
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
STOP ALL SLAVES;
--connection slave
START SLAVE 'slave2';
set default_master_connection = 'slave2';
--source include/wait_for_slave_to_start.inc
--connection con1
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
START ALL SLAVES;
--disconnect con1
--connection slave
STOP SLAVE 'slave2';
set default_master_connection = 'slave2';
--source include/wait_for_slave_to_stop.inc
DROP USER 'unpriv'@'127.0.0.1';
SET SESSION sql_log_bin=1;
#
# clean up
#

7
sql/rpl_mi.cc
View file

@ -21,6 +21,7 @@
#include "slave.h"
#include "strfunc.h"
#include "sql_repl.h"
#include "sql_acl.h"
#ifdef HAVE_REPLICATION
@ -1641,6 +1642,9 @@ bool Master_info_index::start_all_slaves(THD *thd)
DBUG_ENTER("start_all_slaves");
mysql_mutex_assert_owner(&LOCK_active_mi);
if (check_global_access(thd, PRIV_STMT_START_SLAVE))
DBUG_RETURN(true);
for (uint i= 0; i< master_info_hash.records; i++)
{
Master_info *mi;
@ -1719,6 +1723,9 @@ bool Master_info_index::stop_all_slaves(THD *thd)
mysql_mutex_assert_owner(&LOCK_active_mi);
DBUG_ASSERT(thd);
if (check_global_access(thd, PRIV_STMT_STOP_SLAVE))
DBUG_RETURN(true);
for (uint i= 0; i< master_info_hash.records; i++)
{
Master_info *mi;