Bug#19828: Case sensitivity in hostname leads to inconsistent behavior

clean up SHOW GRANTS so it will show host-names with case as entered.
make REVOKE and friends case-sensitive to make things more intuitive.
Patch by Martin Friebe.

1 files changed, 122 insertions, 0 deletions

diff --git a/mysql-test/r/grant3.result b/mysql-test/r/grant3.result
index 6193c4fd49d..cc7f46855b2 100644
--- a/mysql-test/r/grant3.result
+++ b/mysql-test/r/grant3.result
@@ -16,3 +16,125 @@ delete from mysql.db where user like 'mysqltest\_%';
 delete from mysql.tables_priv where user like 'mysqltest\_%';
 delete from mysql.columns_priv where user like 'mysqltest\_%';
 flush privileges;
+grant select on test.* to CUser@localhost;
+grant select on test.* to CUser@LOCALHOST;
+flush privileges;
+SELECT user, host FROM mysql.user where user = 'CUser' order by 1,2;
+user	host
+CUser	LOCALHOST
+CUser	localhost
+SELECT user, host, db, select_priv FROM mysql.db where user = 'CUser' order by 1,2;
+user	host	db	select_priv
+CUser	LOCALHOST	test	Y
+CUser	localhost	test	Y
+REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'CUser'@'LOCALHOST';
+flush privileges;
+SELECT user, host FROM mysql.user where user = 'CUser' order by 1,2;
+user	host
+CUser	LOCALHOST
+CUser	localhost
+SELECT user, host, db, select_priv FROM mysql.db where user = 'CUser' order by 1,2;
+user	host	db	select_priv
+CUser	localhost	test	Y
+REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'CUser'@'localhost';
+flush privileges;
+SELECT user, host FROM mysql.user where user = 'CUser' order by 1,2;
+user	host
+CUser	LOCALHOST
+CUser	localhost
+SELECT user, host, db, select_priv FROM mysql.db where user = 'CUser' order by 1,2;
+user	host	db	select_priv
+DROP USER CUser@localhost;
+DROP USER CUser@LOCALHOST;
+create table t1 (a int);
+grant select on test.t1 to CUser@localhost;
+grant select on test.t1 to CUser@LOCALHOST;
+flush privileges;
+SELECT user, host FROM mysql.user where user = 'CUser' order by 1,2;
+user	host
+CUser	LOCALHOST
+CUser	localhost
+SELECT user, host, db, Table_name, Table_priv, Column_priv FROM mysql.tables_priv where user = 'CUser' order by 1,2;
+user	host	db	Table_name	Table_priv	Column_priv
+CUser	LOCALHOST	test	t1	Select	
+CUser	localhost	test	t1	Select	
+REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'CUser'@'LOCALHOST';
+flush privileges;
+SELECT user, host FROM mysql.user where user = 'CUser' order by 1,2;
+user	host
+CUser	LOCALHOST
+CUser	localhost
+SELECT user, host, db, Table_name, Table_priv, Column_priv FROM mysql.tables_priv where user = 'CUser' order by 1,2;
+user	host	db	Table_name	Table_priv	Column_priv
+CUser	localhost	test	t1	Select	
+REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'CUser'@'localhost';
+flush privileges;
+SELECT user, host FROM mysql.user where user = 'CUser' order by 1,2;
+user	host
+CUser	LOCALHOST
+CUser	localhost
+SELECT user, host, db, Table_name, Table_priv, Column_priv FROM mysql.tables_priv where user = 'CUser' order by 1,2;
+user	host	db	Table_name	Table_priv	Column_priv
+DROP USER CUser@localhost;
+DROP USER CUser@LOCALHOST;
+grant select(a) on test.t1 to CUser@localhost;
+grant select(a) on test.t1 to CUser@LOCALHOST;
+flush privileges;
+SELECT user, host FROM mysql.user where user = 'CUser' order by 1,2;
+user	host
+CUser	LOCALHOST
+CUser	localhost
+SELECT user, host, db, Table_name, Table_priv, Column_priv FROM mysql.tables_priv where user = 'CUser' order by 1,2;
+user	host	db	Table_name	Table_priv	Column_priv
+CUser	LOCALHOST	test	t1		Select
+CUser	localhost	test	t1		Select
+REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'CUser'@'LOCALHOST';
+flush privileges;
+SELECT user, host FROM mysql.user where user = 'CUser' order by 1,2;
+user	host
+CUser	LOCALHOST
+CUser	localhost
+SELECT user, host, db, Table_name, Table_priv, Column_priv FROM mysql.tables_priv where user = 'CUser' order by 1,2;
+user	host	db	Table_name	Table_priv	Column_priv
+CUser	localhost	test	t1		Select
+REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'CUser'@'localhost';
+flush privileges;
+SELECT user, host FROM mysql.user where user = 'CUser' order by 1,2;
+user	host
+CUser	LOCALHOST
+CUser	localhost
+SELECT user, host, db, Table_name, Table_priv, Column_priv FROM mysql.tables_priv where user = 'CUser' order by 1,2;
+user	host	db	Table_name	Table_priv	Column_priv
+DROP USER CUser@localhost;
+DROP USER CUser@LOCALHOST;
+drop table t1;
+grant select on test.* to CUser2@localhost;
+grant select on test.* to CUser2@LOCALHOST;
+flush privileges;
+SELECT user, host FROM mysql.user where user = 'CUser2' order by 1,2;
+user	host
+CUser2	LOCALHOST
+CUser2	localhost
+SELECT user, host, db, select_priv FROM mysql.db where user = 'CUser2' order by 1,2;
+user	host	db	select_priv
+CUser2	LOCALHOST	test	Y
+CUser2	localhost	test	Y
+REVOKE SELECT ON test.* FROM 'CUser2'@'LOCALHOST';
+flush privileges;
+SELECT user, host FROM mysql.user where user = 'CUser2' order by 1,2;
+user	host
+CUser2	LOCALHOST
+CUser2	localhost
+SELECT user, host, db, select_priv FROM mysql.db where user = 'CUser2' order by 1,2;
+user	host	db	select_priv
+CUser2	localhost	test	Y
+REVOKE SELECT ON test.* FROM 'CUser2'@'localhost';
+flush privileges;
+SELECT user, host FROM mysql.user where user = 'CUser2' order by 1,2;
+user	host
+CUser2	LOCALHOST
+CUser2	localhost
+SELECT user, host, db, select_priv FROM mysql.db where user = 'CUser2' order by 1,2;
+user	host	db	select_priv
+DROP USER CUser2@localhost;
+DROP USER CUser2@LOCALHOST;