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Merge jbruehe@bk-internal.mysql.com:/home/bk/mysql-5.0

Browse source 
into mysql.com:/M50/bug16730-5.0
This commit is contained in:
unknown 2006-01-25 07:34:32 +01:00
commit 0ab30e24e8
7 changed files with 559 additions and 372 deletions
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287
mysql-test/r/trigger-grant.result
View file

@ -65,109 +65,6 @@ user_str
mysqltest_dfn@localhost
mysqltest_dfn@localhost
---> connection: default
use mysqltest_db1;
REVOKE SELECT ON mysqltest_db1.t1 FROM mysqltest_dfn@localhost;
---> connection: wl2818_definer_con
use mysqltest_db1;
DROP TRIGGER trg1;
SET @new_sum = 0;
SET @old_sum = 0;
---> INSERT INTO statement; BEFORE timing
CREATE TRIGGER trg1 BEFORE INSERT ON t1
FOR EACH ROW
SET @new_sum = @new_sum + NEW.num_value;
INSERT INTO t1 VALUES(4);
ERROR 42000: SELECT command denied to user 'mysqltest_dfn'@'localhost' for table 't1'
---> INSERT INTO statement; AFTER timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 AFTER INSERT ON t1
FOR EACH ROW
SET @new_sum = @new_sum + NEW.num_value;
INSERT INTO t1 VALUES(5);
ERROR 42000: SELECT command denied to user 'mysqltest_dfn'@'localhost' for table 't1'
---> UPDATE statement; BEFORE timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 BEFORE UPDATE ON t1
FOR EACH ROW
SET @old_sum = @old_sum + OLD.num_value;
UPDATE t1 SET num_value = 10;
ERROR 42000: SELECT command denied to user 'mysqltest_dfn'@'localhost' for table 't1'
---> UPDATE statement; AFTER timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 AFTER UPDATE ON t1
FOR EACH ROW
SET @new_sum = @new_sum + NEW.num_value;
UPDATE t1 SET num_value = 20;
ERROR 42000: SELECT command denied to user 'mysqltest_dfn'@'localhost' for table 't1'
---> DELETE statement; BEFORE timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 BEFORE DELETE ON t1
FOR EACH ROW
SET @old_sum = @old_sum + OLD.num_value;
DELETE FROM t1;
ERROR 42000: SELECT command denied to user 'mysqltest_dfn'@'localhost' for table 't1'
---> DELETE statement; AFTER timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 AFTER DELETE ON t1
FOR EACH ROW
SET @old_sum = @old_sum + OLD.num_value;
DELETE FROM t1;
ERROR 42000: SELECT command denied to user 'mysqltest_dfn'@'localhost' for table 't1'
---> connection: default
use mysqltest_db1;
GRANT SELECT ON mysqltest_db1.t1 TO mysqltest_dfn@localhost;
REVOKE UPDATE ON mysqltest_db1.t1 FROM mysqltest_dfn@localhost;
---> connection: wl2818_definer_con
use mysqltest_db1;
DROP TRIGGER trg1;
SET @new_sum = 0;
SET @old_sum = 0;
---> INSERT INTO statement; BEFORE timing
CREATE TRIGGER trg1 BEFORE INSERT ON t1
FOR EACH ROW
SET @new_sum = @new_sum + NEW.num_value;
INSERT INTO t1 VALUES(4);
ERROR 42000: UPDATE command denied to user 'mysqltest_dfn'@'localhost' for table 't1'
---> INSERT INTO statement; AFTER timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 AFTER INSERT ON t1
FOR EACH ROW
SET @new_sum = @new_sum + NEW.num_value;
INSERT INTO t1 VALUES(5);
ERROR 42000: UPDATE command denied to user 'mysqltest_dfn'@'localhost' for table 't1'
---> UPDATE statement; BEFORE timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 BEFORE UPDATE ON t1
FOR EACH ROW
SET @old_sum = @old_sum + OLD.num_value;
UPDATE t1 SET num_value = 10;
ERROR 42000: UPDATE command denied to user 'mysqltest_dfn'@'localhost' for table 't1'
---> UPDATE statement; AFTER timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 AFTER UPDATE ON t1
FOR EACH ROW
SET @new_sum = @new_sum + NEW.num_value;
UPDATE t1 SET num_value = 20;
ERROR 42000: UPDATE command denied to user 'mysqltest_dfn'@'localhost' for table 't1'
---> DELETE statement; BEFORE timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 BEFORE DELETE ON t1
FOR EACH ROW
SET @old_sum = @old_sum + OLD.num_value;
DELETE FROM t1;
ERROR 42000: UPDATE command denied to user 'mysqltest_dfn'@'localhost' for table 't1'
---> DELETE statement; AFTER timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 AFTER DELETE ON t1
FOR EACH ROW
SET @old_sum = @old_sum + OLD.num_value;
DELETE FROM t1;
ERROR 42000: UPDATE command denied to user 'mysqltest_dfn'@'localhost' for table 't1'
---> connection: wl2818_definer_con
use mysqltest_db1;
DROP TRIGGER trg1;
@ -229,3 +126,187 @@ DROP USER mysqltest_inv@localhost;
DROP DATABASE mysqltest_db1;
Warnings:
Warning 1454 No definer attribute for trigger 'mysqltest_db1'.'trg1'. The trigger will be activated under the authorization of the invoker, which may have insufficient privileges. Please recreate the trigger.
DELETE FROM mysql.user WHERE User LIKE 'mysqltest_%';
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;
DROP DATABASE IF EXISTS mysqltest_db1;
CREATE DATABASE mysqltest_db1;
use mysqltest_db1;
CREATE TABLE t1(col CHAR(20));
CREATE TABLE t2(col CHAR(20));
CREATE TABLE t3(col CHAR(20));
CREATE TABLE t4(col CHAR(20));
CREATE USER mysqltest_u1@localhost;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_u1@localhost;
GRANT SUPER ON *.* TO mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
SET @mysqltest_var = NULL;
---> connection: default
use mysqltest_db1;
REVOKE SELECT ON mysqltest_db1.t1 FROM mysqltest_u1@localhost;
GRANT DELETE ON mysqltest_db1.* TO mysqltest_u1@localhost;
SHOW GRANTS FOR mysqltest_u1@localhost;
Grants for mysqltest_u1@localhost
GRANT SUPER ON *.* TO 'mysqltest_u1'@'localhost'
GRANT DELETE ON `mysqltest_db1`.* TO 'mysqltest_u1'@'localhost'
---> connection: bug15166_u1_con
use mysqltest_db1;
CREATE TRIGGER t1_trg_after_delete AFTER DELETE ON t1
FOR EACH ROW
SET @mysqltest_var = 'Hello, world!';
---> connection: default
use mysqltest_db1;
GRANT UPDATE ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
GRANT UPDATE ON mysqltest_db1.t2 TO mysqltest_u1@localhost;
GRANT UPDATE(col) ON mysqltest_db1.t3 TO mysqltest_u1@localhost;
GRANT UPDATE(col) ON mysqltest_db1.t4 TO mysqltest_u1@localhost;
---> connection: bug15166_u1_con
use mysqltest_db1;
CREATE TRIGGER t1_trg_err_1 BEFORE INSERT ON t1
FOR EACH ROW
SET @mysqltest_var = NEW.col;
DROP TRIGGER t1_trg_err_1;
CREATE TRIGGER t1_trg_err_2 BEFORE DELETE ON t1
FOR EACH ROW
SET @mysqltest_var = OLD.col;
DROP TRIGGER t1_trg_err_2;
CREATE TRIGGER t2_trg_before_insert BEFORE INSERT ON t2
FOR EACH ROW
SET NEW.col = 't2_trg_before_insert';
CREATE TRIGGER t3_trg_err_1 BEFORE INSERT ON t3
FOR EACH ROW
SET @mysqltest_var = NEW.col;
DROP TRIGGER t3_trg_err_1;
CREATE TRIGGER t3_trg_err_2 BEFORE DELETE ON t3
FOR EACH ROW
SET @mysqltest_var = OLD.col;
DROP TRIGGER t3_trg_err_2;
CREATE TRIGGER t4_trg_before_insert BEFORE INSERT ON t4
FOR EACH ROW
SET NEW.col = 't4_trg_before_insert';
---> connection: default
use mysqltest_db1;
REVOKE UPDATE ON mysqltest_db1.t1 FROM mysqltest_u1@localhost;
REVOKE UPDATE ON mysqltest_db1.t2 FROM mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t2 TO mysqltest_u1@localhost;
REVOKE UPDATE(col) ON mysqltest_db1.t3 FROM mysqltest_u1@localhost;
REVOKE UPDATE(col) ON mysqltest_db1.t4 FROM mysqltest_u1@localhost;
GRANT SELECT(col) on mysqltest_db1.t3 TO mysqltest_u1@localhost;
GRANT SELECT(col) on mysqltest_db1.t4 TO mysqltest_u1@localhost;
---> connection: bug15166_u1_con
use mysqltest_db1;
CREATE TRIGGER t1_trg_after_insert AFTER INSERT ON t1
FOR EACH ROW
SET @mysqltest_var = NEW.col;
CREATE TRIGGER t1_trg_after_update AFTER UPDATE ON t1
FOR EACH ROW
SET @mysqltest_var = OLD.col;
CREATE TRIGGER t2_trg_err_1 BEFORE UPDATE ON t2
FOR EACH ROW
SET NEW.col = 't2_trg_err_1';
DROP TRIGGER t2_trg_err_1;
CREATE TRIGGER t2_trg_err_2 BEFORE UPDATE ON t2
FOR EACH ROW
SET NEW.col = CONCAT(OLD.col, '(updated)');
DROP TRIGGER t2_trg_err_2;
CREATE TRIGGER t3_trg_after_insert AFTER INSERT ON t3
FOR EACH ROW
SET @mysqltest_var = NEW.col;
CREATE TRIGGER t3_trg_after_update AFTER UPDATE ON t3
FOR EACH ROW
SET @mysqltest_var = OLD.col;
CREATE TRIGGER t4_trg_err_1 BEFORE UPDATE ON t4
FOR EACH ROW
SET NEW.col = 't4_trg_err_1';
DROP TRIGGER t4_trg_err_1;
CREATE TRIGGER t4_trg_err_2 BEFORE UPDATE ON t4
FOR EACH ROW
SET NEW.col = CONCAT(OLD.col, '(updated)');
DROP TRIGGER t4_trg_err_2;
---> connection: default
use mysqltest_db1;
REVOKE SELECT ON mysqltest_db1.t1 FROM mysqltest_u1@localhost;
REVOKE SELECT ON mysqltest_db1.t2 FROM mysqltest_u1@localhost;
GRANT UPDATE ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
GRANT UPDATE ON mysqltest_db1.t2 TO mysqltest_u1@localhost;
REVOKE SELECT(col) ON mysqltest_db1.t3 FROM mysqltest_u1@localhost;
REVOKE SELECT(col) ON mysqltest_db1.t4 FROM mysqltest_u1@localhost;
GRANT UPDATE(col) ON mysqltest_db1.t3 TO mysqltest_u1@localhost;
GRANT UPDATE(col) ON mysqltest_db1.t4 TO mysqltest_u1@localhost;
INSERT INTO t1 VALUES('line1');
ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for column 'col' in table 't1'
SELECT * FROM t1;
col
line1
SELECT @mysqltest_var;
@mysqltest_var
NULL
INSERT INTO t2 VALUES('line2');
SELECT * FROM t2;
col
t2_trg_before_insert
INSERT INTO t3 VALUES('t3_line1');
ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for column 'col' in table 't3'
SELECT * FROM t3;
col
t3_line1
SELECT @mysqltest_var;
@mysqltest_var
NULL
INSERT INTO t4 VALUES('t4_line2');
SELECT * FROM t4;
col
t4_trg_before_insert
---> connection: default
use mysqltest_db1;
REVOKE UPDATE ON mysqltest_db1.t1 FROM mysqltest_u1@localhost;
REVOKE UPDATE ON mysqltest_db1.t2 FROM mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t2 TO mysqltest_u1@localhost;
REVOKE UPDATE(col) ON mysqltest_db1.t3 FROM mysqltest_u1@localhost;
REVOKE UPDATE(col) ON mysqltest_db1.t4 FROM mysqltest_u1@localhost;
GRANT SELECT(col) ON mysqltest_db1.t3 TO mysqltest_u1@localhost;
GRANT SELECT(col) ON mysqltest_db1.t4 TO mysqltest_u1@localhost;
INSERT INTO t1 VALUES('line3');
SELECT * FROM t1;
col
line1
line3
SELECT @mysqltest_var;
@mysqltest_var
line3
INSERT INTO t2 VALUES('line4');
ERROR 42000: UPDATE command denied to user 'mysqltest_u1'@'localhost' for column 'col' in table 't2'
SELECT * FROM t2;
col
t2_trg_before_insert
INSERT INTO t3 VALUES('t3_line2');
SELECT * FROM t3;
col
t3_line1
t3_line2
SELECT @mysqltest_var;
@mysqltest_var
t3_line2
INSERT INTO t4 VALUES('t4_line2');
ERROR 42000: UPDATE command denied to user 'mysqltest_u1'@'localhost' for column 'col' in table 't4'
SELECT * FROM t4;
col
t4_trg_before_insert
DELETE FROM t1;
SELECT @mysqltest_var;
@mysqltest_var
Hello, world!
DROP USER mysqltest_u1@localhost;
DROP DATABASE mysqltest_db1;

529
mysql-test/t/trigger-grant.test
View file

@ -8,8 +8,6 @@
#
# Tests for WL#2818:
# - Check that triggers are executed under the authorization of the definer.
# - Check that if trigger contains NEW/OLD variables, the definer must have
# SELECT privilege on the subject table.
# - Check DEFINER clause of CREATE TRIGGER statement;
# - Check that SUPER privilege required to create a trigger with different
# definer.
@ -18,6 +16,8 @@
# - Check that the definer of a trigger does not exist, the trigger will
# not be activated.
# - Check that SHOW TRIGGERS statement provides "Definer" column.
# - Check that if trigger contains NEW/OLD variables, the definer must have
# SELECT privilege on the subject table (aka BUG#15166/BUG#15196).
#
# Let's also check that user name part of definer can contain '@' symbol (to
# check that triggers are not affected by BUG#13310 "incorrect user parsing
@ -142,223 +142,6 @@ INSERT INTO t1 VALUES(3);
SELECT * FROM t1;
SELECT * FROM t2;
#
# Check that if trigger contains NEW/OLD variables, the definer must have
# SELECT/UPDATE privilege on the subject table:
# - drop the trigger;
# - create a new trigger, which will use NEW variable;
# - create another new trigger, which will use OLD variable;
# - revoke SELECT/UPDATE privilege on the first table from "definer";
# - insert a row into the first table;
# - analyze error code;
#
#
# SELECT privilege.
#
--connection default
--echo
--echo ---> connection: default
use mysqltest_db1;
REVOKE SELECT ON mysqltest_db1.t1 FROM mysqltest_dfn@localhost;
--connection wl2818_definer_con
--echo
--echo ---> connection: wl2818_definer_con
use mysqltest_db1;
DROP TRIGGER trg1;
SET @new_sum = 0;
SET @old_sum = 0;
# INSERT INTO statement; BEFORE timing
--echo ---> INSERT INTO statement; BEFORE timing
CREATE TRIGGER trg1 BEFORE INSERT ON t1
FOR EACH ROW
SET @new_sum = @new_sum + NEW.num_value;
--error ER_TABLEACCESS_DENIED_ERROR
INSERT INTO t1 VALUES(4);
# INSERT INTO statement; AFTER timing
--echo ---> INSERT INTO statement; AFTER timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 AFTER INSERT ON t1
FOR EACH ROW
SET @new_sum = @new_sum + NEW.num_value;
--error ER_TABLEACCESS_DENIED_ERROR
INSERT INTO t1 VALUES(5);
# UPDATE statement; BEFORE timing
--echo ---> UPDATE statement; BEFORE timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 BEFORE UPDATE ON t1
FOR EACH ROW
SET @old_sum = @old_sum + OLD.num_value;
--error ER_TABLEACCESS_DENIED_ERROR
UPDATE t1 SET num_value = 10;
# UPDATE statement; AFTER timing
--echo ---> UPDATE statement; AFTER timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 AFTER UPDATE ON t1
FOR EACH ROW
SET @new_sum = @new_sum + NEW.num_value;
--error ER_TABLEACCESS_DENIED_ERROR
UPDATE t1 SET num_value = 20;
# DELETE statement; BEFORE timing
--echo ---> DELETE statement; BEFORE timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 BEFORE DELETE ON t1
FOR EACH ROW
SET @old_sum = @old_sum + OLD.num_value;
--error ER_TABLEACCESS_DENIED_ERROR
DELETE FROM t1;
# DELETE statement; AFTER timing
--echo ---> DELETE statement; AFTER timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 AFTER DELETE ON t1
FOR EACH ROW
SET @old_sum = @old_sum + OLD.num_value;
--error ER_TABLEACCESS_DENIED_ERROR
DELETE FROM t1;
#
# UPDATE privilege
#
# NOTE: At the moment, UPDATE privilege is required if the trigger contains
# NEW/OLD variables, whenever the trigger modifies them or not. Moreover,
# UPDATE privilege is checked for whole table, not for individual columns.
#
# The following test cases should be changed when full support of UPDATE
# privilege will be done.
#
--connection default
--echo
--echo ---> connection: default
use mysqltest_db1;
GRANT SELECT ON mysqltest_db1.t1 TO mysqltest_dfn@localhost;
REVOKE UPDATE ON mysqltest_db1.t1 FROM mysqltest_dfn@localhost;
--connection wl2818_definer_con
--echo
--echo ---> connection: wl2818_definer_con
use mysqltest_db1;
DROP TRIGGER trg1;
SET @new_sum = 0;
SET @old_sum = 0;
# INSERT INTO statement; BEFORE timing
--echo ---> INSERT INTO statement; BEFORE timing
CREATE TRIGGER trg1 BEFORE INSERT ON t1
FOR EACH ROW
SET @new_sum = @new_sum + NEW.num_value;
--error ER_TABLEACCESS_DENIED_ERROR
INSERT INTO t1 VALUES(4);
# INSERT INTO statement; AFTER timing
--echo ---> INSERT INTO statement; AFTER timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 AFTER INSERT ON t1
FOR EACH ROW
SET @new_sum = @new_sum + NEW.num_value;
--error ER_TABLEACCESS_DENIED_ERROR
INSERT INTO t1 VALUES(5);
# UPDATE statement; BEFORE timing
--echo ---> UPDATE statement; BEFORE timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 BEFORE UPDATE ON t1
FOR EACH ROW
SET @old_sum = @old_sum + OLD.num_value;
--error ER_TABLEACCESS_DENIED_ERROR
UPDATE t1 SET num_value = 10;
# UPDATE statement; AFTER timing
--echo ---> UPDATE statement; AFTER timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 AFTER UPDATE ON t1
FOR EACH ROW
SET @new_sum = @new_sum + NEW.num_value;
--error ER_TABLEACCESS_DENIED_ERROR
UPDATE t1 SET num_value = 20;
# DELETE statement; BEFORE timing
--echo ---> DELETE statement; BEFORE timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 BEFORE DELETE ON t1
FOR EACH ROW
SET @old_sum = @old_sum + OLD.num_value;
--error ER_TABLEACCESS_DENIED_ERROR
DELETE FROM t1;
# DELETE statement; AFTER timing
--echo ---> DELETE statement; AFTER timing
DROP TRIGGER trg1;
CREATE TRIGGER trg1 AFTER DELETE ON t1
FOR EACH ROW
SET @old_sum = @old_sum + OLD.num_value;
--error ER_TABLEACCESS_DENIED_ERROR
DELETE FROM t1;
#
# Check DEFINER clause of CREATE TRIGGER statement.
#
@ -473,3 +256,311 @@ DROP USER mysqltest_dfn@localhost;
DROP USER mysqltest_inv@localhost;
DROP DATABASE mysqltest_db1;
###########################################################################
#
# BUG#15166: Wrong update [was: select/update] permissions required to execute
# triggers.
#
# BUG#15196: Wrong select permission required to execute triggers.
#
###########################################################################
#
# Prepare environment.
#
DELETE FROM mysql.user WHERE User LIKE 'mysqltest_%';
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;
--disable_warnings
DROP DATABASE IF EXISTS mysqltest_db1;
--enable_warnings
CREATE DATABASE mysqltest_db1;
use mysqltest_db1;
# Tables for tesing table-level privileges:
CREATE TABLE t1(col CHAR(20)); # table for "read-value" trigger
CREATE TABLE t2(col CHAR(20)); # table for "write-value" trigger
# Tables for tesing column-level privileges:
CREATE TABLE t3(col CHAR(20)); # table for "read-value" trigger
CREATE TABLE t4(col CHAR(20)); # table for "write-value" trigger
CREATE USER mysqltest_u1@localhost;
REVOKE ALL PRIVILEGES, GRANT OPTION FROM mysqltest_u1@localhost;
GRANT SUPER ON *.* TO mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t1 TO mysqltest_u1@localhost; # to allow connect
SET @mysqltest_var = NULL;
--connect (bug15166_u1_con,localhost,mysqltest_u1,,mysqltest_db1)
# parsing (CREATE TRIGGER) time:
# - check that nor SELECT either UPDATE is required to execute triggger w/o
# NEW/OLD variables.
--connection default
--echo
--echo ---> connection: default
use mysqltest_db1;
REVOKE SELECT ON mysqltest_db1.t1 FROM mysqltest_u1@localhost;
GRANT DELETE ON mysqltest_db1.* TO mysqltest_u1@localhost;
SHOW GRANTS FOR mysqltest_u1@localhost;
--connection bug15166_u1_con
--echo
--echo ---> connection: bug15166_u1_con
use mysqltest_db1;
CREATE TRIGGER t1_trg_after_delete AFTER DELETE ON t1
FOR EACH ROW
SET @mysqltest_var = 'Hello, world!';
# parsing (CREATE TRIGGER) time:
# - check that UPDATE is not enough to read the value;
# - check that UPDATE is required to modify the value;
--connection default
--echo
--echo ---> connection: default
use mysqltest_db1;
GRANT UPDATE ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
GRANT UPDATE ON mysqltest_db1.t2 TO mysqltest_u1@localhost;
GRANT UPDATE(col) ON mysqltest_db1.t3 TO mysqltest_u1@localhost;
GRANT UPDATE(col) ON mysqltest_db1.t4 TO mysqltest_u1@localhost;
--connection bug15166_u1_con
--echo
--echo ---> connection: bug15166_u1_con
use mysqltest_db1;
# - table-level privileges
# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t1_trg_err_1 BEFORE INSERT ON t1
FOR EACH ROW
SET @mysqltest_var = NEW.col;
DROP TRIGGER t1_trg_err_1;
# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t1_trg_err_2 BEFORE DELETE ON t1
FOR EACH ROW
SET @mysqltest_var = OLD.col;
DROP TRIGGER t1_trg_err_2;
CREATE TRIGGER t2_trg_before_insert BEFORE INSERT ON t2
FOR EACH ROW
SET NEW.col = 't2_trg_before_insert';
# - column-level privileges
# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t3_trg_err_1 BEFORE INSERT ON t3
FOR EACH ROW
SET @mysqltest_var = NEW.col;
DROP TRIGGER t3_trg_err_1;
# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t3_trg_err_2 BEFORE DELETE ON t3
FOR EACH ROW
SET @mysqltest_var = OLD.col;
DROP TRIGGER t3_trg_err_2;
CREATE TRIGGER t4_trg_before_insert BEFORE INSERT ON t4
FOR EACH ROW
SET NEW.col = 't4_trg_before_insert';
# parsing (CREATE TRIGGER) time:
# - check that SELECT is required to read the value;
# - check that SELECT is not enough to modify the value;
--connection default
--echo
--echo ---> connection: default
use mysqltest_db1;
REVOKE UPDATE ON mysqltest_db1.t1 FROM mysqltest_u1@localhost;
REVOKE UPDATE ON mysqltest_db1.t2 FROM mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t2 TO mysqltest_u1@localhost;
REVOKE UPDATE(col) ON mysqltest_db1.t3 FROM mysqltest_u1@localhost;
REVOKE UPDATE(col) ON mysqltest_db1.t4 FROM mysqltest_u1@localhost;
GRANT SELECT(col) on mysqltest_db1.t3 TO mysqltest_u1@localhost;
GRANT SELECT(col) on mysqltest_db1.t4 TO mysqltest_u1@localhost;
--connection bug15166_u1_con
--echo
--echo ---> connection: bug15166_u1_con
use mysqltest_db1;
# - table-level privileges
CREATE TRIGGER t1_trg_after_insert AFTER INSERT ON t1
FOR EACH ROW
SET @mysqltest_var = NEW.col;
CREATE TRIGGER t1_trg_after_update AFTER UPDATE ON t1
FOR EACH ROW
SET @mysqltest_var = OLD.col;
# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t2_trg_err_1 BEFORE UPDATE ON t2
FOR EACH ROW
SET NEW.col = 't2_trg_err_1';
DROP TRIGGER t2_trg_err_1;
# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t2_trg_err_2 BEFORE UPDATE ON t2
FOR EACH ROW
SET NEW.col = CONCAT(OLD.col, '(updated)');
DROP TRIGGER t2_trg_err_2;
# - column-level privileges
CREATE TRIGGER t3_trg_after_insert AFTER INSERT ON t3
FOR EACH ROW
SET @mysqltest_var = NEW.col;
CREATE TRIGGER t3_trg_after_update AFTER UPDATE ON t3
FOR EACH ROW
SET @mysqltest_var = OLD.col;
# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t4_trg_err_1 BEFORE UPDATE ON t4
FOR EACH ROW
SET NEW.col = 't4_trg_err_1';
DROP TRIGGER t4_trg_err_1;
# TODO: check privileges at CREATE TRIGGER time.
# --error ER_COLUMNACCESS_DENIED_ERROR
CREATE TRIGGER t4_trg_err_2 BEFORE UPDATE ON t4
FOR EACH ROW
SET NEW.col = CONCAT(OLD.col, '(updated)');
DROP TRIGGER t4_trg_err_2;
# execution time:
# - check that UPDATE is not enough to read the value;
# - check that UPDATE is required to modify the value;
--connection default
--echo
--echo ---> connection: default
use mysqltest_db1;
REVOKE SELECT ON mysqltest_db1.t1 FROM mysqltest_u1@localhost;
REVOKE SELECT ON mysqltest_db1.t2 FROM mysqltest_u1@localhost;
GRANT UPDATE ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
GRANT UPDATE ON mysqltest_db1.t2 TO mysqltest_u1@localhost;
REVOKE SELECT(col) ON mysqltest_db1.t3 FROM mysqltest_u1@localhost;
REVOKE SELECT(col) ON mysqltest_db1.t4 FROM mysqltest_u1@localhost;
GRANT UPDATE(col) ON mysqltest_db1.t3 TO mysqltest_u1@localhost;
GRANT UPDATE(col) ON mysqltest_db1.t4 TO mysqltest_u1@localhost;
# - table-level privileges
--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t1 VALUES('line1');
SELECT * FROM t1;
SELECT @mysqltest_var;
INSERT INTO t2 VALUES('line2');
SELECT * FROM t2;
# - column-level privileges
--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t3 VALUES('t3_line1');
SELECT * FROM t3;
SELECT @mysqltest_var;
INSERT INTO t4 VALUES('t4_line2');
SELECT * FROM t4;
# execution time:
# - check that SELECT is required to read the value;
# - check that SELECT is not enough to modify the value;
--connection default
--echo
--echo ---> connection: default
use mysqltest_db1;
REVOKE UPDATE ON mysqltest_db1.t1 FROM mysqltest_u1@localhost;
REVOKE UPDATE ON mysqltest_db1.t2 FROM mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t1 TO mysqltest_u1@localhost;
GRANT SELECT ON mysqltest_db1.t2 TO mysqltest_u1@localhost;
REVOKE UPDATE(col) ON mysqltest_db1.t3 FROM mysqltest_u1@localhost;
REVOKE UPDATE(col) ON mysqltest_db1.t4 FROM mysqltest_u1@localhost;
GRANT SELECT(col) ON mysqltest_db1.t3 TO mysqltest_u1@localhost;
GRANT SELECT(col) ON mysqltest_db1.t4 TO mysqltest_u1@localhost;
# - table-level privileges
INSERT INTO t1 VALUES('line3');
SELECT * FROM t1;
SELECT @mysqltest_var;
--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t2 VALUES('line4');
SELECT * FROM t2;
# - column-level privileges
INSERT INTO t3 VALUES('t3_line2');
SELECT * FROM t3;
SELECT @mysqltest_var;
--error ER_COLUMNACCESS_DENIED_ERROR
INSERT INTO t4 VALUES('t4_line2');
SELECT * FROM t4;
# execution time:
# - check that nor SELECT either UPDATE is required to execute triggger w/o
# NEW/OLD variables.
DELETE FROM t1;
SELECT @mysqltest_var;
#
# Cleanup.
#
DROP USER mysqltest_u1@localhost;
DROP DATABASE mysqltest_db1;

31
sql/item.cc
View file

@ -5215,6 +5215,7 @@ void Item_insert_value::print(String *str)
setup_field()
thd - current thread context
table - table of trigger (and where we looking for fields)
table_grant_info - GRANT_INFO of the subject table
NOTE
This function does almost the same as fix_fields() for Item_field
@ -5228,7 +5229,8 @@ void Item_insert_value::print(String *str)
table of trigger which uses this item.
*/
void Item_trigger_field::setup_field(THD *thd, TABLE *table)
void Item_trigger_field::setup_field(THD *thd, TABLE *table,
GRANT_INFO *table_grant_info)
{
bool save_set_query_id= thd->set_query_id;
@ -5242,6 +5244,7 @@ void Item_trigger_field::setup_field(THD *thd, TABLE *table)
0, &field_idx);
thd->set_query_id= save_set_query_id;
triggers= table->triggers;
table_grants= table_grant_info;
}
@ -5260,22 +5263,42 @@ bool Item_trigger_field::fix_fields(THD *thd, Item **items)
Since trigger is object tightly associated with TABLE object most
of its set up can be performed during trigger loading i.e. trigger
parsing! So we have little to do in fix_fields. :)
FIXME may be we still should bother about permissions here.
*/
DBUG_ASSERT(fixed == 0);
/* Set field. */
if (field_idx != (uint)-1)
{
#ifndef NO_EMBEDDED_ACCESS_CHECKS
/*
Check access privileges for the subject table. We check privileges only
in runtime.
*/
if (table_grants)
{
table_grants->want_privilege=
access_type == AT_READ ? SELECT_ACL : UPDATE_ACL;
if (check_grant_column(thd, table_grants, triggers->table->s->db,
triggers->table->s->table_name, field_name,
strlen(field_name), thd->security_ctx))
return TRUE;
}
#endif // NO_EMBEDDED_ACCESS_CHECKS
field= (row_version == OLD_ROW) ? triggers->old_field[field_idx] :
triggers->new_field[field_idx];
set_field(field);
fixed= 1;
return 0;
return FALSE;
}
my_error(ER_BAD_FIELD_ERROR, MYF(0), field_name,
(row_version == NEW_ROW) ? "NEW" : "OLD");
return 1;
return TRUE;
}

14
sql/item.h
View file

@ -2126,6 +2126,8 @@ public:
/* Is this item represents row from NEW or OLD row ? */
enum row_version_type {OLD_ROW, NEW_ROW};
row_version_type row_version;
/* Is this item used for reading or updating the value? */
enum access_types { AT_READ = 0x1, AT_UPDATE = 0x2 };
/* Next in list of all Item_trigger_field's in trigger */
Item_trigger_field *next_trg_field;
/* Index of the field in the TABLE::field array */
@ -2135,18 +2137,24 @@ public:
Item_trigger_field(Name_resolution_context *context_arg,
row_version_type row_ver_arg,
const char *field_name_arg)
const char *field_name_arg,
access_types access_type_arg)
:Item_field(context_arg,
(const char *)NULL, (const char *)NULL, field_name_arg),
row_version(row_ver_arg), field_idx((uint)-1)
row_version(row_ver_arg), field_idx((uint)-1),
access_type(access_type_arg), table_grants(NULL)
{}
void setup_field(THD *thd, TABLE *table);
void setup_field(THD *thd, TABLE *table, GRANT_INFO *table_grant_info);
enum Type type() const { return TRIGGER_FIELD_ITEM; }
bool eq(const Item *item, bool binary_cmp) const;
bool fix_fields(THD *, Item **);
void print(String *str);
table_map used_tables() const { return (table_map)0L; }
void cleanup();
private:
access_types access_type;
GRANT_INFO *table_grants;
};

52
sql/sql_trigger.cc
View file

@ -381,7 +381,12 @@ bool Table_triggers_list::create_trigger(THD *thd, TABLE_LIST *tables,
for (trg_field= (Item_trigger_field *)(lex->trg_table_fields.first);
trg_field; trg_field= trg_field->next_trg_field)
{
trg_field->setup_field(thd, table);
/*
NOTE: now we do not check privileges at CREATE TRIGGER time. This will
be changed in the future.
*/
trg_field->setup_field(thd, table, NULL);
if (!trg_field->fixed &&
trg_field->fix_fields(thd, (Item **)0))
return 1;
@ -828,8 +833,7 @@ bool Table_triggers_list::check_n_load(THD *thd, const char *db,
char *trg_name_buff;
List_iterator_fast<ulonglong> itm(triggers->definition_modes_list);
List_iterator_fast<LEX_STRING> it_definer(triggers->
definers_list);
List_iterator_fast<LEX_STRING> it_definer(triggers->definers_list);
LEX *old_lex= thd->lex, lex;
sp_rcontext *save_spcont= thd->spcont;
ulong save_sql_mode= thd->variables.sql_mode;
@ -844,6 +848,7 @@ bool Table_triggers_list::check_n_load(THD *thd, const char *db,
{
trg_sql_mode= itm++;
LEX_STRING *trg_definer= it_definer++;
thd->variables.sql_mode= (ulong)*trg_sql_mode;
lex_start(thd, (uchar*)trg_create_str->str, trg_create_str->length);
@ -917,11 +922,11 @@ bool Table_triggers_list::check_n_load(THD *thd, const char *db,
(Item_trigger_field *)(lex.trg_table_fields.first);
trg_field;
trg_field= trg_field->next_trg_field)
trg_field->setup_field(thd, table);
triggers->m_spec_var_used[lex.trg_chistics.event]
[lex.trg_chistics.action_time]=
lex.trg_table_fields.first ? TRUE : FALSE;
{
trg_field->setup_field(thd, table,
&triggers->subject_table_grants[lex.trg_chistics.event]
[lex.trg_chistics.action_time]);
}
lex_end(&lex);
}
@ -1172,33 +1177,14 @@ bool Table_triggers_list::process_triggers(THD *thd, trg_event_type event,
}
/*
If the trigger uses special variables (NEW/OLD), check that we have
SELECT and UPDATE privileges on the subject table.
Fetch information about table-level privileges to GRANT_INFO structure for
subject table. Check of privileges that will use it and information about
column-level privileges will happen in Item_trigger_field::fix_fields().
*/
if (is_special_var_used(event, time_type))
{
TABLE_LIST table_list, **save_query_tables_own_last;
bzero((char *) &table_list, sizeof (table_list));
table_list.db= (char *) table->s->db;
table_list.db_length= strlen(table_list.db);
table_list.table_name= (char *) table->s->table_name;
table_list.table_name_length= strlen(table_list.table_name);
table_list.alias= (char *) table->alias;
table_list.table= table;
save_query_tables_own_last= thd->lex->query_tables_own_last;
thd->lex->query_tables_own_last= 0;
err_status= check_table_access(thd, SELECT_ACL | UPDATE_ACL,
&table_list, 0);
thd->lex->query_tables_own_last= save_query_tables_own_last;
if (err_status)
{
sp_restore_security_context(thd, save_ctx);
return TRUE;
}
}
fill_effective_table_privileges(thd,
&subject_table_grants[event][time_type],
table->s->db, table->s->table_name);
#endif // NO_EMBEDDED_ACCESS_CHECKS
thd->reset_sub_statement_state(&statement_state, SUB_STMT_TRIGGER);

11
sql/sql_trigger.h
View file

@ -56,10 +56,9 @@ class Table_triggers_list: public Sql_alloc
LEX_STRING sroutines_key;
/*
is_special_var_used specifies whether trigger body contains special
variables (NEW/OLD).
Grant information for each trigger (pair: subject table, trigger definer).
*/
bool m_spec_var_used[TRG_EVENT_MAX][TRG_ACTION_MAX];
GRANT_INFO subject_table_grants[TRG_EVENT_MAX][TRG_ACTION_MAX];
public:
/*
@ -78,6 +77,7 @@ public:
record1_field(0), table(table_arg)
{
bzero((char *)bodies, sizeof(bodies));
bzero((char *)&subject_table_grants, sizeof(subject_table_grants));
}
~Table_triggers_list();
@ -109,11 +109,6 @@ public:
return test(bodies[TRG_EVENT_UPDATE][TRG_ACTION_BEFORE]);
}
inline bool is_special_var_used(int event, int action_time) const
{
return m_spec_var_used[event][action_time];
}
void set_table(TABLE *new_table);
friend class Item_trigger_field;

7
sql/sql_yacc.yy
View file

@ -7303,7 +7303,8 @@ simple_ident_q:
new_row ?
Item_trigger_field::NEW_ROW:
Item_trigger_field::OLD_ROW,
$3.str)))
$3.str,
Item_trigger_field::AT_READ)))
YYABORT;
/*
@ -7929,7 +7930,9 @@ sys_option_value:
if (!(trg_fld= new Item_trigger_field(Lex->current_context(),
Item_trigger_field::NEW_ROW,
$2.base_name.str)) ||
$2.base_name.str,
Item_trigger_field::AT_UPDATE)
) ||
!(sp_fld= new sp_instr_set_trigger_field(lex->sphead->
instructions(),
lex->spcont,