--source include/have_plugin_auth.inc
--source include/not_embedded.inc

query_vertical SELECT PLUGIN_STATUS, PLUGIN_TYPE, PLUGIN_DESCRIPTION
  FROM INFORMATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME='test_plugin_server';

CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';

SELECT plugin,authentication_string FROM mysql.user WHERE User='plug';

--echo ## test plugin auth
--disable_query_log
--error ER_ACCESS_DENIED_ERROR : this should fail : no grant
connect(plug_con,localhost,plug,plug_dest);
--enable_query_log

GRANT PROXY ON plug_dest TO plug;
--echo test proxies_priv columns
--replace_column 1 xx 7 xx
SELECT * FROM mysql.proxies_priv;
--echo test mysql.proxies_priv;
SHOW CREATE TABLE mysql.proxies_priv;

connect(plug_con,localhost,plug,plug_dest);

connection plug_con;
select USER(),CURRENT_USER();

--echo ## test SET PASSWORD
#--error ER_SET_PASSWORD_AUTH_PLUGIN
SET PASSWORD = PASSWORD('plug_dest');

connection default;
disconnect plug_con;

--echo ## test bad credentials
--disable_query_log
--error ER_ACCESS_DENIED_ERROR
connect(plug_con,localhost,plug,bad_credentials);
--enable_query_log

--echo ## test bad default plugin : should get CR_AUTH_PLUGIN_CANNOT_LOAD
--disable_result_log
--disable_query_log
--error 2059
connect(plug_con_wrongp,localhost,plug,plug_dest,,,,,wrong_plugin_name);
--enable_query_log
--enable_result_log

--echo ## test correct default plugin
connect(plug_con_rightp,localhost,plug,plug_dest,,,,,auth_test_plugin);
connection plug_con_rightp;
select USER(),CURRENT_USER();
connection default;
disconnect plug_con_rightp;

--echo ## test no_auto_create_user sql mode with plugin users
SET @@sql_mode=no_auto_create_user;
GRANT INSERT ON TEST.* TO grant_user IDENTIFIED WITH 'test_plugin_server';
SET @@sql_mode=default;
DROP USER grant_user;

--echo ## test utf-8 user name
CREATE USER `Ÿ` IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';

GRANT PROXY ON plug_dest TO `Ÿ`;

connect(non_ascii,localhost,Ÿ,plug_dest);
connection non_ascii;
select USER(),CURRENT_USER();

connection default;
disconnect non_ascii;
DROP USER `Ÿ`;

--echo ## test GRANT ... IDENTIFIED WITH/BY ...

CREATE DATABASE test_grant_db;

--echo # create new user via GRANT WITH
GRANT ALL PRIVILEGES ON test_grant_db.* TO new_grant_user 
  IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';

GRANT PROXY ON plug_dest TO new_grant_user;  

connect(plug_con_grant,localhost,new_grant_user,plug_dest);
connection plug_con_grant;
select USER(),CURRENT_USER();
USE test_grant_db;
CREATE TABLE t1 (a INT);
DROP TABLE t1;
connection default;
disconnect plug_con_grant;
REVOKE ALL PRIVILEGES ON test_grant_db.* FROM new_grant_user;

--echo # try re-create existing user via GRANT IDENTIFIED BY
GRANT ALL PRIVILEGES ON test_grant_db.* TO new_grant_user
  IDENTIFIED BY 'unused_password';

--echo # make sure password doesn't take precendence
--disable_query_log
--error ER_ACCESS_DENIED_ERROR
connect(plug_con_grant_deny,localhost,new_grant_user,unused_password);
--enable_query_log

--echo #make sure plugin auth still available
connect(plug_con_grant,localhost,new_grant_user,plug_dest);
connection plug_con_grant;
select USER(),CURRENT_USER();
USE test_grant_db;
CREATE TABLE t1 (a INT);
DROP TABLE t1;
connection default;
disconnect plug_con_grant;

DROP USER new_grant_user;

--echo # try re-create existing user via GRANT IDENTIFIED WITH

--error ER_GRANT_PLUGIN_USER_EXISTS
GRANT ALL PRIVILEGES ON test_grant_db.* TO plug
  IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';

--error ER_GRANT_PLUGIN_USER_EXISTS
GRANT ALL PRIVILEGES ON test_grant_db.* TO plug_dest
  IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';

--error ER_PARSE_ERROR
REVOKE SELECT on test_grant_db.* FROM joro 
  INDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';

--error ER_PARSE_ERROR
REVOKE SELECT on test_grant_db.* FROM joro 
  INDENTIFIED BY 'plug_dest_passwd';

--error ER_PARSE_ERROR
REVOKE SELECT on test_grant_db.* FROM joro 
  INDENTIFIED BY PASSWORD 'plug_dest_passwd';

DROP DATABASE test_grant_db;

--echo ## GRANT PROXY tests

CREATE USER grant_plug IDENTIFIED WITH 'test_plugin_server' 
  AS 'grant_plug_dest';
CREATE USER grant_plug_dest IDENTIFIED BY 'grant_plug_dest_passwd';
CREATE USER grant_plug_dest2 IDENTIFIED BY 'grant_plug_dest_passwd2';

--echo # ALL PRIVILEGES doesn't include PROXY
GRANT ALL PRIVILEGES ON *.* TO grant_plug;
--disable_query_log
--error ER_ACCESS_DENIED_ERROR : this should fail : no grant
connect(grant_plug_con,localhost,grant_plug,grant_plug_dest);
--enable_query_log

--error ER_PARSE_ERROR : this should fail : can't combine PROXY
GRANT ALL PRIVILEGES,PROXY ON grant_plug_dest TO grant_plug;

--echo this should fail : can't combine PROXY
--error ER_PARSE_ERROR
GRANT ALL SELECT,PROXY ON grant_plug_dest TO grant_plug;

--echo # this should fail : no such grant
--error ER_NONEXISTING_GRANT
REVOKE PROXY ON grant_plug_dest FROM grant_plug;

connect(grant_plug_dest_con,localhost,grant_plug_dest,grant_plug_dest_passwd);
connection grant_plug_dest_con;
--echo in grant_plug_dest_con

--echo ## testing what an ordinary user can grant 
--echo this should fail : no rights to grant all
--error ER_ACCESS_DENIED_NO_PASSWORD_ERROR
GRANT PROXY ON ''@'' TO grant_plug;

--echo this should fail : not the same user
--error ER_ACCESS_DENIED_NO_PASSWORD_ERROR
GRANT PROXY ON grant_plug TO grant_plug_dest;

--echo this should fail : same user, but on a different host
--error ER_ACCESS_DENIED_NO_PASSWORD_ERROR
GRANT PROXY ON grant_plug_dest TO grant_plug;

--echo this should work : same user
GRANT PROXY ON grant_plug_dest@localhost TO grant_plug_dest2;
REVOKE PROXY ON grant_plug_dest@localhost FROM grant_plug_dest2;

--echo this should work : same user
GRANT PROXY ON grant_plug_dest@localhost TO grant_plug WITH GRANT OPTION;
REVOKE PROXY ON grant_plug_dest@localhost FROM grant_plug;

--echo this should fail : can't create users
--error ER_CANT_CREATE_USER_WITH_GRANT
GRANT PROXY ON grant_plug_dest@localhost TO grant_plug@localhost;

connection default;
--echo in default connection
disconnect grant_plug_dest_con;

--echo # test what root can grant

--echo should work : root has PROXY to all users
GRANT PROXY ON ''@'' TO grant_plug;
REVOKE PROXY ON ''@'' FROM grant_plug;

--echo should work : root has PROXY to all users
GRANT PROXY ON ''@'' TO proxy_admin IDENTIFIED BY 'test' 
  WITH GRANT OPTION;

--echo need USAGE : PROXY doesn't contain it.
GRANT USAGE on *.* TO proxy_admin;

connect (proxy_admin_con,localhost,proxy_admin,test);
connection proxy_admin_con;
--echo in proxy_admin_con;

--echo should work : proxy_admin has proxy to ''@''
GRANT PROXY ON future_user TO grant_plug;

connection default;
--echo in default connection
disconnect proxy_admin_con;

SHOW GRANTS FOR grant_plug;
REVOKE PROXY ON future_user FROM grant_plug;
SHOW GRANTS FOR grant_plug;

--echo ## testing drop user
CREATE USER test_drop@localhost;
GRANT PROXY ON future_user TO test_drop@localhost;
SHOW GRANTS FOR test_drop@localhost;
DROP USER test_drop@localhost;
SELECT * FROM mysql.proxies_priv WHERE Host = 'test_drop' AND User = 'localhost';

DROP USER proxy_admin;

DROP USER grant_plug,grant_plug_dest,grant_plug_dest2;

--echo ## END GRANT PROXY tests

--echo ## cleanup
DROP USER plug;
DROP USER plug_dest;

--echo ## @@proxy_user tests
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';
GRANT PROXY ON plug_dest TO plug;

SELECT USER(),CURRENT_USER(),@@LOCAL.proxy_user;

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@GLOBAL.proxy_user;
SELECT @@LOCAL.proxy_user;

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET GLOBAL proxy_user = 'test';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET LOCAL proxy_user = 'test';
SELECT @@LOCAL.proxy_user;

connect(plug_con,localhost,plug,plug_dest);
connection plug_con;
--echo # in connection plug_con
SELECT @@LOCAL.proxy_user;
connection default;
--echo # in connection default
disconnect plug_con;

--echo ## cleanup
DROP USER plug;
DROP USER plug_dest;
--echo ## END @@proxy_user tests

--echo ## @@external_user tests
CREATE USER plug IDENTIFIED WITH 'test_plugin_server' AS 'plug_dest';
CREATE USER plug_dest IDENTIFIED BY 'plug_dest_passwd';
GRANT PROXY ON plug_dest TO plug;
SELECT USER(),CURRENT_USER(),@@LOCAL.external_user;

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@GLOBAL.external_user;
SELECT @@LOCAL.external_user;

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET GLOBAL external_user = 'test';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET LOCAL external_user = 'test';
SELECT @@LOCAL.external_user;

connect(plug_con,localhost,plug,plug_dest);
connection plug_con;
--echo # in connection plug_con
SELECT @@LOCAL.external_user;
connection default;
--echo # in connection default
disconnect plug_con;

--echo ## cleanup
DROP USER plug;
DROP USER plug_dest;
--echo ## END @@external_user tests

--echo #
--echo #  Bug #56798 : Wrong credentials assigned when using a proxy user.
--echo #

GRANT ALL PRIVILEGES ON *.* TO power_user;
GRANT USAGE ON anonymous_db.* TO ''@''
  IDENTIFIED WITH 'test_plugin_server' AS 'power_user';
GRANT PROXY ON power_user TO ''@'';
CREATE DATABASE confidential_db;

connect(plug_con,localhost, test_login_user, power_user, confidential_db);
SELECT user(),current_user(),@@proxy_user;

connection default;
disconnect plug_con;

DROP USER power_user;
DROP USER ''@'';
DROP DATABASE confidential_db;

--echo # Test case #2 (crash with double grant proxy)

CREATE USER ''@'' IDENTIFIED WITH 'test_plugin_server' AS 'standard_user';
CREATE USER standard_user;
CREATE DATABASE shared;
GRANT ALL PRIVILEGES ON shared.* TO standard_user;
GRANT PROXY ON standard_user TO ''@'';
--echo #should not crash
GRANT PROXY ON standard_user TO ''@'';

DROP USER ''@'';
DROP USER standard_user;
DROP DATABASE shared;