166 lines
4.8 KiB
C++

/* Copyright (c) 2016, 2019, 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 MYSQL_KEYRING_H
#define MYSQL_KEYRING_H
#include <my_global.h>
#include "mysql/plugin.h"
#include <my_rnd.h>
#include <mysqld.h>
#include "keys_container.h"
#include "keys_iterator.h"
#include "keyring_memory.h"
using keyring::IKeys_container;
using keyring::Keys_iterator;
using keyring::IKeyring_io;
using keyring::ILogger;
using keyring::IKey;
namespace keyring
{
/* Always defined. */
extern PSI_memory_key key_memory_KEYRING;
extern PSI_rwlock_key key_LOCK_keyring;
}
extern mysql_rwlock_t LOCK_keyring;
extern boost::movelib::unique_ptr<IKeys_container> keys;
extern volatile my_bool is_keys_container_initialized;
extern boost::movelib::unique_ptr<ILogger> logger;
extern boost::movelib::unique_ptr<char[]> keyring_file_data;
extern my_bool keyring_open_mode;
#ifdef HAVE_PSI_INTERFACE
void keyring_init_psi_keys(void);
#endif //HAVE_PSI_INTERFACE
int init_keyring_locks();
my_bool create_keyring_dir_if_does_not_exist(const char *keyring_file_path);
void update_keyring_file_data(MYSQL_THD thd MY_ATTRIBUTE((unused)),
struct st_mysql_sys_var *var MY_ATTRIBUTE((unused)),
void *var_ptr MY_ATTRIBUTE((unused)),
const void *save_ptr);
my_bool mysql_key_fetch(boost::movelib::unique_ptr<IKey> key_to_fetch, char **key_type,
void **key, size_t *key_len);
my_bool mysql_key_store(boost::movelib::unique_ptr<IKey> key_to_store);
my_bool mysql_key_remove(boost::movelib::unique_ptr<IKey> key_to_remove);
my_bool mysql_keyring_iterator_init(Keys_iterator *);
void mysql_keyring_iterator_deinit(Keys_iterator *);
bool mysql_keyring_iterator_get_key(Keys_iterator *, char *key_id, char *user_id);
my_bool check_key_for_writing(IKey* key, std::string error_for);
void log_operation_error(const char *failed_operation, const char *plugin_name);
my_bool is_key_length_and_type_valid(const char *key_type, size_t key_len);
template <typename T>
my_bool mysql_key_fetch(const char *key_id, char **key_type, const char *user_id,
void **key, size_t *key_len, const char *plugin_name)
{
try
{
boost::movelib::unique_ptr<IKey> key_to_fetch(new T(key_id, NULL, user_id, NULL, 0));
return mysql_key_fetch(::boost::move(key_to_fetch), key_type, key, key_len);
}
catch (...)
{
log_operation_error("fetch a key", plugin_name);
return TRUE;
}
}
template <typename T>
my_bool mysql_key_store(const char *key_id, const char *key_type, const char *user_id,
const void *key, size_t key_len, const char *plugin_name)
{
try
{
boost::movelib::unique_ptr<IKey> key_to_store(new T(key_id, key_type, user_id, key, key_len));
return mysql_key_store(::boost::move(key_to_store));
}
catch (...)
{
log_operation_error("store a key", plugin_name);
return TRUE;
}
}
template <typename T>
my_bool mysql_key_remove(const char *key_id, const char *user_id,
const char *plugin_name)
{
try
{
boost::movelib::unique_ptr<IKey> key_to_remove(new T(key_id, NULL, user_id, NULL, 0));
return mysql_key_remove(::boost::move(key_to_remove));
}
catch (...)
{
log_operation_error("remove a key", plugin_name);
return TRUE;
}
}
template <typename T>
bool mysql_key_iterator_init(Keys_iterator *key_iterator, const char *plugin_name)
{
try
{
return mysql_keyring_iterator_init(key_iterator);
}
catch (...)
{
log_operation_error("iterator init", plugin_name);
return TRUE;
}
}
template <typename T>
void mysql_key_iterator_deinit(Keys_iterator *key_iterator, const char *plugin_name)
{
try
{
mysql_keyring_iterator_deinit(key_iterator);
}
catch (...)
{
log_operation_error("iterator deinit", plugin_name);
}
}
template <typename T>
bool mysql_key_iterator_get_key(Keys_iterator *key_iterator, char *key_id, char *user_id,
const char *plugin_name)
{
try
{
return mysql_keyring_iterator_get_key(key_iterator, key_id, user_id);
}
catch (...)
{
log_operation_error("iterator get_key", plugin_name);
return TRUE;
}
}
#endif //MYSQL_KEYRING_H