mysql5/mysql-5.7.27/sql/migrate_keyring.h

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3.1 KiB
C++

/* Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
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 St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef MIGRATE_KEYRING_H_INCLUDED
#define MIGRATE_KEYRING_H_INCLUDED
#include "mysql/plugin_keyring.h"
#include "mysql.h"
#include <string>
#include <vector>
class THD;
using std::string;
#define MAX_KEY_LEN 16384
enum enum_plugin_type
{
SOURCE_PLUGIN= 0, DESTINATION_PLUGIN
};
class Key_info
{
public:
Key_info()
: m_key_id_len(0),
m_user_id_len(0)
{}
Key_info(char *key_id,
char *user_id)
{
m_key_id_len= strlen(key_id);
memcpy(m_key_id, key_id, m_key_id_len);
m_key_id[m_key_id_len]= '\0';
m_user_id_len= strlen(user_id);
memcpy(m_user_id, user_id, m_user_id_len);
m_user_id[m_user_id_len]= '\0';
}
Key_info(const Key_info &ki)
{
this->m_key_id_len= ki.m_key_id_len;
memcpy(this->m_key_id, ki.m_key_id, this->m_key_id_len);
this->m_key_id[this->m_key_id_len]= '\0';
this->m_user_id_len= ki.m_user_id_len;
memcpy(this->m_user_id, ki.m_user_id, this->m_user_id_len);
this->m_user_id[this->m_user_id_len]= '\0';
}
public:
char m_key_id[MAX_KEY_LEN];
int m_key_id_len;
char m_user_id[USERNAME_LENGTH];
int m_user_id_len;
};
class Migrate_keyring
{
public:
/**
Standard constructor.
*/
Migrate_keyring();
/**
Initialize all needed parameters to proceed with migration process.
*/
bool init(int argc,
char **argv,
char *source_plugin,
char *destination_plugin,
char *user, char *host, char *password,
char *socket, ulong port);
/**
Migrate keys from source keyring to destination keyring.
*/
bool execute();
/**
Standard destructor
*/
~Migrate_keyring();
private:
/**
Load source or destination plugin.
*/
bool load_plugin(enum_plugin_type plugin_type);
/**
Fetch keys from source plugin and store in destination plugin.
*/
bool fetch_and_store_keys();
/**
Disable @@keyring_operations variable.
*/
bool disable_keyring_operations();
/**
Enable @@keyring_operations variable.
*/
bool enable_keyring_operations();
private:
int m_argc;
char **m_argv;
string m_source_plugin_option;
string m_destination_plugin_option;
string m_source_plugin_name;
string m_destination_plugin_name;
string m_internal_option;
st_mysql_keyring *m_source_plugin_handle;
st_mysql_keyring *m_destination_plugin_handle;
std::vector<Key_info> m_source_keys;
MYSQL *mysql;
};
#endif /* MIGRATE_KEYRING_H_INCLUDED */