mirror of
https://github.com/MariaDB/server.git
synced 2025-01-22 14:54:20 +01:00
fec844aca8
Contains also:
MDEV-10549 mysqld: sql/handler.cc:2692: int handler::ha_index_first(uchar*): Assertion `table_share->tmp_table != NO_TMP_TABLE || m_lock_type != 2' failed. (branch bb-10.2-jan)
Unlike MySQL, InnoDB still uses THR_LOCK in MariaDB
MDEV-10548 Some of the debug sync waits do not work with InnoDB 5.7 (branch bb-10.2-jan)
enable tests that were fixed in MDEV-10549
MDEV-10548 Some of the debug sync waits do not work with InnoDB 5.7 (branch bb-10.2-jan)
fix main.innodb_mysql_sync - re-enable online alter for partitioned innodb tables
119 lines
3.4 KiB
Text
119 lines
3.4 KiB
Text
/*****************************************************************************
|
|
|
|
Copyright (c) 2015, 2016, MariaDB Corporation.
|
|
|
|
This program is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU General Public License as published by the Free Software
|
|
Foundation; version 2 of the License.
|
|
|
|
This program is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
|
|
|
|
*****************************************************************************/
|
|
|
|
/**************************************************//**
|
|
@file include/fil0crypt.ic
|
|
The low-level file system encryption support functions
|
|
|
|
Created 04/01/2015 Jan Lindström
|
|
*******************************************************/
|
|
|
|
/*******************************************************************//**
|
|
Find out whether the page is page encrypted
|
|
@return true if page is page encrypted, false if not */
|
|
UNIV_INLINE
|
|
bool
|
|
fil_page_is_encrypted(
|
|
/*==================*/
|
|
const byte *buf) /*!< in: page */
|
|
{
|
|
return(mach_read_from_4(buf+FIL_PAGE_FILE_FLUSH_LSN_OR_KEY_VERSION) != 0);
|
|
}
|
|
|
|
/*******************************************************************//**
|
|
Find out whether the page can be decrypted.
|
|
The function for decrypting the page should already be executed before this.
|
|
@return 1 if key provider not available or key is not available
|
|
0 if decryption should be possible
|
|
*/
|
|
UNIV_INLINE
|
|
bool
|
|
fil_page_encryption_status(
|
|
/*===================*/
|
|
const byte *buf, /*!< in: page */
|
|
ulint space_id) /*!< in: space_id */
|
|
{
|
|
fil_space_crypt_t *crypt_data = fil_space_get_crypt_data(space_id);
|
|
ulint page_type = mach_read_from_2(buf+FIL_PAGE_TYPE);
|
|
|
|
if (page_type == FIL_PAGE_TYPE_FSP_HDR) {
|
|
if (crypt_data != NULL) {
|
|
if (!encryption_key_id_exists(crypt_data->key_id)) {
|
|
/* accessing table would surely fail, because no key or no key provider available */
|
|
return 1;
|
|
}
|
|
}
|
|
} else {
|
|
ulint key = mach_read_from_4(buf + FIL_PAGE_FILE_FLUSH_LSN_OR_KEY_VERSION);
|
|
if (!encryption_key_version_exists(crypt_data->key_id, key)) {
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*******************************************************************//**
|
|
Get current encryption mode from crypt_data.
|
|
@return string representation */
|
|
UNIV_INLINE
|
|
const char *
|
|
fil_crypt_get_mode(
|
|
/*===============*/
|
|
const fil_space_crypt_t* crypt_data)
|
|
{
|
|
ut_ad(crypt_data != NULL);
|
|
|
|
switch(crypt_data->encryption) {
|
|
case FIL_SPACE_ENCRYPTION_DEFAULT:
|
|
return("Default tablespace encryption mode");
|
|
break;
|
|
case FIL_SPACE_ENCRYPTION_ON:
|
|
return("Tablespace encrypted");
|
|
break;
|
|
case FIL_SPACE_ENCRYPTION_OFF:
|
|
return("Tablespace not encrypted");
|
|
break;
|
|
default:
|
|
ut_error;
|
|
}
|
|
|
|
return ("NULL");
|
|
}
|
|
|
|
/*******************************************************************//**
|
|
Get current encryption type from crypt_data.
|
|
@return string representation */
|
|
UNIV_INLINE
|
|
const char *
|
|
fil_crypt_get_type(
|
|
const fil_space_crypt_t* crypt_data)
|
|
{
|
|
ut_ad(crypt_data != NULL);
|
|
switch (crypt_data->type) {
|
|
case CRYPT_SCHEME_UNENCRYPTED:
|
|
return("scheme unencrypted");
|
|
break;
|
|
case CRYPT_SCHEME_1:
|
|
return("scheme encrypted");
|
|
break;
|
|
default:
|
|
ut_error;
|
|
}
|
|
|
|
return ("NULL");
|
|
}
|