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MDEV-11974: MariaDB 10.2 encryption does not support spatial indexes

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Encryption stores used key_version to
FIL_PAGE_FILE_FLUSH_LSN_OR_KEY_VERSION (offset 26)
field. Spatial indexes store RTREE Split Sequence Number
(FIL_RTREE_SPLIT_SEQ_NUM) in the same field. Both values
can't be stored in same field. Thus, current encryption
implementation does not support encrypting spatial indexes.

fil_space_encrypt(): Do not encrypt page if page type is
FIL_PAGE_RTREE (this is required for background
encryption innodb-encrypt-tables=ON).

create_table_info_t::check_table_options() Do not allow creating
table with ENCRYPTED=YES if table contains spatial index.
This commit is contained in:
Jan Lindström
2017-02-07 15:55:01 +02:00
parent 163ac07b93
commit 7b27465e10
5 changed files with 138 additions and 4 deletions
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42
mysql-test/suite/encryption/r/innodb-spatial-index.result Normal file
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@ -0,0 +1,42 @@
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL, SPATIAL index(coordinate)) ENGINE=INNODB
ENCRYPTED=YES;
ERROR HY000: Can't create table `test`.`t1` (errno: 140 "Wrong create options")
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL, SPATIAL index(coordinate)) ENGINE=INNODB;
ALTER TABLE t1 ENCRYPTED=YES;
ERROR HY000: Can't create table `test`.`#sql-temporary` (errno: 140 "Wrong create options")
DROP TABLE t1;
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL) ENCRYPTED=YES ENGINE=INNODB;
CREATE SPATIAL INDEX b on t1(coordinate);
ERROR HY000: Can't create table `test`.`#sql-temporary` (errno: 140 "Wrong create options")
ALTER TABLE t1 ADD SPATIAL INDEX b(coordinate);
ERROR HY000: Can't create table `test`.`#sql-temporary` (errno: 140 "Wrong create options")
DROP TABLE t1;
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL) ENCRYPTED=DEFAULT ENGINE=INNODB;
CREATE SPATIAL INDEX b on t1(coordinate);
INSERT INTO t1 values(1, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
ALTER TABLE t1 DROP INDEX b;
INSERT INTO t1 values(2, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
ALTER TABLE t1 ADD SPATIAL INDEX b(coordinate);
INSERT INTO t1 values(3, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
DROP TABLE t1;
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL, SPATIAL index(coordinate)) ENGINE=INNODB;
CREATE TABLE t2 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL, SPATIAL index(coordinate)) ENGINE=INNODB PAGE_COMPRESSED=YES;
INSERT INTO t1 values(1, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
INSERT INTO t2 values(1, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
# Success!
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION > 0;
NAME
mysql/innodb_table_stats
mysql/innodb_index_stats
test/t1
test/t2
NULL
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION = 0;
NAME
DROP TABLE t1, t2;

4
mysql-test/suite/encryption/t/innodb-spatial-index.opt Normal file
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@ -0,0 +1,4 @@
--innodb-encrypt-tables
--innodb-encryption-rotate-key-age=15
--innodb-encryption-threads=4
--innodb-tablespaces-encryption

72
mysql-test/suite/encryption/t/innodb-spatial-index.test Normal file
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@ -0,0 +1,72 @@
--source include/have_innodb.inc
--source include/have_file_key_management_plugin.inc
#
# MDEV-11974: MariaDB 10.2 encryption does not support spatial indexes
#
#
# (1) Do not allow creating table with ENCRYPTED=YES
#
#
--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
--error ER_CANT_CREATE_TABLE
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL, SPATIAL index(coordinate)) ENGINE=INNODB
ENCRYPTED=YES;
#
# (2) Alter table
#
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL, SPATIAL index(coordinate)) ENGINE=INNODB;
--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
--error ER_CANT_CREATE_TABLE
ALTER TABLE t1 ENCRYPTED=YES;
--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
DROP TABLE t1;
#
# Index creation
#
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL) ENCRYPTED=YES ENGINE=INNODB;
--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
--error ER_CANT_CREATE_TABLE
CREATE SPATIAL INDEX b on t1(coordinate);
--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
--error ER_CANT_CREATE_TABLE
ALTER TABLE t1 ADD SPATIAL INDEX b(coordinate);
DROP TABLE t1;
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL) ENCRYPTED=DEFAULT ENGINE=INNODB;
CREATE SPATIAL INDEX b on t1(coordinate);
INSERT INTO t1 values(1, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
ALTER TABLE t1 DROP INDEX b;
INSERT INTO t1 values(2, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
ALTER TABLE t1 ADD SPATIAL INDEX b(coordinate);
INSERT INTO t1 values(3, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
DROP TABLE t1;
#
# (3) Default encryption should still work
#
CREATE TABLE t1 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL, SPATIAL index(coordinate)) ENGINE=INNODB;
CREATE TABLE t2 (pk INT PRIMARY KEY AUTO_INCREMENT,
c VARCHAR(256), coordinate POINT NOT NULL, SPATIAL index(coordinate)) ENGINE=INNODB PAGE_COMPRESSED=YES;
INSERT INTO t1 values(1, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
INSERT INTO t2 values(1, 'secret', ST_GeomFromText('POINT(903994614 180726515)'));
--let $wait_timeout=600
--let $wait_condition=SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION = 0;
--source include/wait_condition.inc
--echo # Success!
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION > 0;
SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION WHERE MIN_KEY_VERSION = 0;
DROP TABLE t1, t2;

9
storage/innobase/fil/fil0crypt.cc
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@ -629,10 +629,11 @@ fil_space_encrypt(
ulint orig_page_type = mach_read_from_2(src_frame+FIL_PAGE_TYPE);
if (orig_page_type==FIL_PAGE_TYPE_FSP_HDR
|| orig_page_type==FIL_PAGE_TYPE_XDES) {
/* File space header or extent descriptor do not need to be
encrypted. */
if (orig_page_type == FIL_PAGE_TYPE_FSP_HDR ||
orig_page_type == FIL_PAGE_TYPE_XDES ||
orig_page_type == FIL_PAGE_RTREE) {
/* File space header, extent descriptor or spatial index
are not encrypted. */
return src_frame;
}

15
storage/innobase/handler/ha_innodb.cc
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@ -12415,6 +12415,21 @@ create_table_info_t::check_table_options()
enum row_type row_format = m_form->s->row_type;
ha_table_option_struct *options= m_form->s->option_struct;
fil_encryption_t encrypt = (fil_encryption_t)options->encryption;
bool should_encrypt = (encrypt == FIL_SPACE_ENCRYPTION_ON);
/* Currently we do not support encryption for
spatial indexes thus do not allow creating table with forced
encryption */
for(ulint i = 0; i < m_form->s->keys; i++) {
const KEY* key = m_form->key_info + i;
if (key->flags & HA_SPATIAL && should_encrypt) {
push_warning_printf(m_thd, Sql_condition::WARN_LEVEL_WARN,
HA_ERR_UNSUPPORTED,
"InnoDB: ENCRYPTED=ON not supported for table because "
"it contains spatial index.");
return "ENCRYPTED";
}
}
if (encrypt != FIL_SPACE_ENCRYPTION_DEFAULT && !m_allow_file_per_table) {
push_warning(