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Bug#20989: View '(null).(null)' references invalid table(s)... on SQL SECURITY INVOKER 

REPLACE ... SELECT would require INSERT privileges on certain tables
when SELECT really suffices. Require INSERT only on target table.


mysql-test/r/insert_select.result:
  Bug#20989: View '(null).(null)' references invalid table(s)... on SQL SECURITY INVOKER
  
  Show that REPLACE ... SELECT requires INSERT privileges only on target table.
  (revised test with more view-fu)
mysql-test/t/insert_select.test:
  Bug#20989: View '(null).(null)' references invalid table(s)... on SQL SECURITY INVOKER
  
  Show that REPLACE ... SELECT requires INSERT privileges only on target table.
  (revised test with more view-fu)
sql/sql_insert.cc:
  Bug#20989: View '(null).(null)' references invalid table(s)... on SQL SECURITY INVOKER
  
  require SELECT rather than INSERT privs on tables that constitute the views we'll read
parent 674636e7
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mysql-test/r/insert_select.result
View file @ c1851446
......@@ -695,3 +695,103 @@ CREATE TABLE t2 (z int, y int);
CREATE TABLE t3 (a int, b int);
INSERT INTO t3 (SELECT x, y FROM t1 JOIN t2 USING (y) WHERE z = 1);
DROP TABLE IF EXISTS t1,t2,t3;
CREATE DATABASE meow;
CREATE TABLE table_target ( mexs_id CHAR(8), messzeit TIMESTAMP, PRIMARY KEY (mexs_id));
CREATE TABLE table_target2 ( mexs_id CHAR(8), messzeit TIMESTAMP, PRIMARY KEY (mexs_id));
CREATE TABLE table_target3 ( mexs_id CHAR(8), messzeit TIMESTAMP, PRIMARY KEY (mexs_id));
CREATE VIEW view_target2 AS SELECT mexs_id,messzeit FROM table_target2;
CREATE SQL SECURITY INVOKER VIEW view_target3 AS SELECT mexs_id,messzeit FROM table_target3;
CREATE TABLE table_stations ( mexs_id VARCHAR(8), icao VARCHAR(4), country CHAR(2), PRIMARY KEY (mexs_id), UNIQUE KEY icao (icao), KEY country (country), CONSTRAINT stations_ibfk_8 FOREIGN KEY (country) REFERENCES countries (country) ON UPDATE CASCADE);
INSERT INTO table_stations VALUES ('87654321','XXXX','YY');
CREATE TABLE table_countries ( country CHAR(2), iso_short_en VARCHAR(64), PRIMARY KEY (country));
INSERT INTO table_countries VALUES ('YY','Entenhausen');
CREATE ALGORITHM=MERGE SQL SECURITY INVOKER VIEW view_stations AS select table_stations.mexs_id AS mexs_id, table_stations.icao AS icao, table_stations.country AS landescode from (table_stations join table_countries on((table_stations.country = table_countries.country)));
CREATE TABLE table_source ( id varchar(4), datetime TIMESTAMP, PRIMARY KEY (id));
INSERT INTO table_source VALUES ('XXXX','2006-07-12 07:50:00');
GRANT SELECT ON table_source TO user20989@localhost;
GRANT SELECT ON table_countries TO user20989@localhost;
GRANT SELECT ON table_stations TO user20989@localhost;
GRANT SELECT ON view_stations TO user20989@localhost;
GRANT SELECT ON table_target TO user20989@localhost;
GRANT SELECT ON table_target2 TO user20989@localhost;
GRANT INSERT,DELETE,SELECT ON view_target3 TO user20989@localhost;
REPLACE INTO table_target
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN table_target AS old
USING (mexs_id);
ERROR 42000: INSERT,DELETE command denied to user 'user20989'@'localhost' for table 'table_target'
REPLACE INTO view_target2
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN view_target2 AS old
USING (mexs_id);
ERROR 42000: INSERT,DELETE command denied to user 'user20989'@'localhost' for table 'view_target2'
REPLACE INTO view_target3
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN view_target3 AS old
USING (mexs_id);
ERROR HY000: View 'meow.view_target3' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
GRANT INSERT,DELETE ON table_target TO user20989@localhost;
GRANT INSERT,DELETE,SELECT ON view_target2 TO user20989@localhost;
GRANT INSERT,DELETE,SELECT ON table_target3 TO user20989@localhost;
REPLACE INTO table_target
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN table_target AS old
USING (mexs_id);
REPLACE INTO table_target2 VALUES ('00X45Y78','2006-07-12 07:50:00');
ERROR 42000: INSERT,DELETE command denied to user 'user20989'@'localhost' for table 'table_target2'
REPLACE INTO view_target2 VALUES ('12X45Y78','2006-07-12 07:50:00');
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN view_target2 AS old
USING (mexs_id);
mexs_id messzeit
87654321 2006-07-12 07:50:00
REPLACE INTO view_target2
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN view_target2 AS old
USING (mexs_id);
REPLACE INTO view_target3
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN view_target3 AS old
USING (mexs_id);
SELECT * FROM table_target;
mexs_id messzeit
87654321 2006-07-12 07:50:00
SELECT * FROM view_target2;
mexs_id messzeit
12X45Y78 2006-07-12 07:50:00
87654321 2006-07-12 07:50:00
SELECT * FROM view_target3;
mexs_id messzeit
87654321 2006-07-12 07:50:00
DROP VIEW view_stations;
DROP TABLE table_source;
DROP TABLE table_countries;
DROP TABLE table_stations;
DROP TABLE table_target;
DROP TABLE table_target2;
DROP TABLE table_target3;
DROP VIEW view_target2;
DROP VIEW view_target3;
DROP USER user20989@localhost;
DROP DATABASE meow;
mysql-test/t/insert_select.test
View file @ c1851446
......@@ -247,3 +247,141 @@ CREATE TABLE t2 (z int, y int);
CREATE TABLE t3 (a int, b int);
INSERT INTO t3 (SELECT x, y FROM t1 JOIN t2 USING (y) WHERE z = 1);
DROP TABLE IF EXISTS t1,t2,t3;
#
# Bug #20989: View '(null).(null)' references invalid table(s)... on
# SQL SECURITY INVOKER
#
# this is really the fact that REPLACE ... SELECT required additional
# INSERT privs (on tables that are part of a view) over the related
# REPLACE, SELECT
#
CREATE DATABASE meow;
connect (root,localhost,root,,meow);
connection root;
CREATE TABLE table_target ( mexs_id CHAR(8), messzeit TIMESTAMP, PRIMARY KEY (mexs_id));
CREATE TABLE table_target2 ( mexs_id CHAR(8), messzeit TIMESTAMP, PRIMARY KEY (mexs_id));
CREATE TABLE table_target3 ( mexs_id CHAR(8), messzeit TIMESTAMP, PRIMARY KEY (mexs_id));
CREATE VIEW view_target2 AS SELECT mexs_id,messzeit FROM table_target2;
CREATE SQL SECURITY INVOKER VIEW view_target3 AS SELECT mexs_id,messzeit FROM table_target3;
CREATE TABLE table_stations ( mexs_id VARCHAR(8), icao VARCHAR(4), country CHAR(2), PRIMARY KEY (mexs_id), UNIQUE KEY icao (icao), KEY country (country), CONSTRAINT stations_ibfk_8 FOREIGN KEY (country) REFERENCES countries (country) ON UPDATE CASCADE);
INSERT INTO table_stations VALUES ('87654321','XXXX','YY');
CREATE TABLE table_countries ( country CHAR(2), iso_short_en VARCHAR(64), PRIMARY KEY (country));
INSERT INTO table_countries VALUES ('YY','Entenhausen');
CREATE ALGORITHM=MERGE SQL SECURITY INVOKER VIEW view_stations AS select table_stations.mexs_id AS mexs_id, table_stations.icao AS icao, table_stations.country AS landescode from (table_stations join table_countries on((table_stations.country = table_countries.country)));
CREATE TABLE table_source ( id varchar(4), datetime TIMESTAMP, PRIMARY KEY (id));
INSERT INTO table_source VALUES ('XXXX','2006-07-12 07:50:00');
GRANT SELECT ON table_source TO user20989@localhost;
GRANT SELECT ON table_countries TO user20989@localhost;
GRANT SELECT ON table_stations TO user20989@localhost;
GRANT SELECT ON view_stations TO user20989@localhost;
GRANT SELECT ON table_target TO user20989@localhost;
GRANT SELECT ON table_target2 TO user20989@localhost;
GRANT INSERT,DELETE,SELECT ON view_target3 TO user20989@localhost;
connect (user20989,localhost,user20989,,meow);
connection user20989;
--error 1142
REPLACE INTO table_target
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN table_target AS old
USING (mexs_id);
--error 1142
REPLACE INTO view_target2
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN view_target2 AS old
USING (mexs_id);
--error 1356
REPLACE INTO view_target3
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN view_target3 AS old
USING (mexs_id);
connection root;
disconnect user20989;
GRANT INSERT,DELETE ON table_target TO user20989@localhost;
GRANT INSERT,DELETE,SELECT ON view_target2 TO user20989@localhost;
GRANT INSERT,DELETE,SELECT ON table_target3 TO user20989@localhost;
connect (user20989,localhost,user20989,,meow);
connection user20989;
REPLACE INTO table_target
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN table_target AS old
USING (mexs_id);
--error 1142
REPLACE INTO table_target2 VALUES ('00X45Y78','2006-07-12 07:50:00');
REPLACE INTO view_target2 VALUES ('12X45Y78','2006-07-12 07:50:00');
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN view_target2 AS old
USING (mexs_id);
REPLACE INTO view_target2
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN view_target2 AS old
USING (mexs_id);
REPLACE INTO view_target3
SELECT stations.mexs_id AS mexs_id, datetime AS messzeit
FROM table_source
INNER JOIN view_stations AS stations
ON table_source.id = stations.icao
LEFT JOIN view_target3 AS old
USING (mexs_id);
connection root;
disconnect user20989;
SELECT * FROM table_target;
SELECT * FROM view_target2;
SELECT * FROM view_target3;
DROP VIEW view_stations;
DROP TABLE table_source;
DROP TABLE table_countries;
DROP TABLE table_stations;
DROP TABLE table_target;
DROP TABLE table_target2;
DROP TABLE table_target3;
DROP VIEW view_target2;
DROP VIEW view_target3;
DROP USER user20989@localhost;
disconnect root;
connection default;
DROP DATABASE meow;
sql/sql_insert.cc
View file @ c1851446
......@@ -742,11 +742,18 @@ static bool mysql_prepare_insert_check_table(THD *thd, TABLE_LIST *table_list,
bool insert_into_view= (table_list->view != 0);
DBUG_ENTER("mysql_prepare_insert_check_table");
/*
first table in list is the one we'll INSERT into, requires INSERT_ACL.
all others require SELECT_ACL only. the ACL requirement below is for
new leaves only anyway (view-constituents), so check for SELECT rather
than INSERT.
*/
if (setup_tables_and_check_access(thd, &thd->lex->select_lex.context,
&thd->lex->select_lex.top_join_list,
table_list, where,
&thd->lex->select_lex.leaf_tables,
select_insert, INSERT_ACL))
select_insert, SELECT_ACL))
DBUG_RETURN(TRUE);
if (insert_into_view && !fields.elements)
......
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