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only allow SUPER user to modify wsrep_on

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This commit is contained in:
Sergei Golubchik 2018-03-01 16:35:46 +01:00
parent 7cec685758
commit 09b25f8596
3 changed files with 22 additions and 1 deletions
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7
mysql-test/suite/wsrep/r/variables.result
View file

@ -73,6 +73,13 @@ Threads_connected 1
SHOW STATUS LIKE 'wsrep_thread_count';
Variable_name Value
wsrep_thread_count 11
set wsrep_on=0;
set wsrep_on=1;
create user test@localhost;
set auto_increment_increment=10;
set wsrep_on=0;
ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
drop user test@localhost;
#
# MDEV#6411: Setting set @@global.wsrep_sst_auth=NULL causes crash
#

14
mysql-test/suite/wsrep/t/variables.test
View file

@ -68,6 +68,20 @@ sleep 3;
SHOW STATUS LIKE 'threads_connected';
SHOW STATUS LIKE 'wsrep_thread_count';
#
# privileges for wsrep_on
#
set wsrep_on=0;
set wsrep_on=1;
create user test@localhost;
connect con1,localhost,test;
set auto_increment_increment=10;
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
set wsrep_on=0;
disconnect con1;
connection default;
drop user test@localhost;
--echo #
--echo # MDEV#6411: Setting set @@global.wsrep_sst_auth=NULL causes crash
--echo #

2
sql/sys_vars.cc
View file

@ -3854,7 +3854,7 @@ static Sys_var_mybool Sys_wsrep_on (
"wsrep_on", "To enable wsrep replication ",
SESSION_VAR(wsrep_on),
CMD_LINE(OPT_ARG), DEFAULT(TRUE),
NO_MUTEX_GUARD, NOT_IN_BINLOG, ON_CHECK(0),
NO_MUTEX_GUARD, NOT_IN_BINLOG, ON_CHECK(check_has_super),
ON_UPDATE(wsrep_on_update));
static Sys_var_charptr Sys_wsrep_start_position (