/* Copyright (C) 2019, Alexey Botchkov and 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, Fifth Floor, Boston, MA 02110-1335 USA */
#define PLUGIN_VERSION 0 x200
#include <mysql/plugin_audit.h>
#define STRING_WITH_LEN(X) (X), ((size_t) (sizeof (X) - 1 ))
/* Status variables for SHOW STATUS */
static long test_passed= 0 ;
static char *sql_text_local, *sql_text_global;
static char qwe_res[1024 ]= "" ;
static struct st_mysql_show_var test_sql_status[]=
{
{"test_sql_service_passed" , (char *)&test_passed, SHOW_LONG},
{"test_sql_query_result" , qwe_res, SHOW_CHAR},
{0 ,0 ,0 }
};
static my_bool do_test= 1 ;
static int run_test(MYSQL_THD thd, struct st_mysql_sys_var *var, void *save,
struct st_mysql_value *value);
static int run_sql_local(MYSQL_THD thd, struct st_mysql_sys_var *var, void *save,
struct st_mysql_value *value);
static int run_sql_global(MYSQL_THD thd, struct st_mysql_sys_var *var, void *save,
struct st_mysql_value *value);
static void noop_update(MYSQL_THD thd, struct st_mysql_sys_var *var,
void *var_ptr, const void *save);
static MYSQL_SYSVAR_BOOL(run_test, do_test,
PLUGIN_VAR_OPCMDARG,
"Perform the test now" ,
run_test, NULL, 0 );
static MYSQL_SYSVAR_STR(execute_sql_local, sql_text_local,
PLUGIN_VAR_OPCMDARG,
"Create the new local connection, execute SQL statement with it" ,
run_sql_local, noop_update, 0 );
static MYSQL_SYSVAR_STR(execute_sql_global, sql_text_global,
PLUGIN_VAR_OPCMDARG,
"Execute SQL statement using the global connection" ,
run_sql_global, noop_update, 0 );
static struct st_mysql_sys_var* test_sql_vars[]=
{
MYSQL_SYSVAR(run_test),
MYSQL_SYSVAR(execute_sql_local),
MYSQL_SYSVAR(execute_sql_global),
NULL
};
static MYSQL *global_mysql;
static int run_queries(MYSQL *mysql)
{
MYSQL_RES *res;
if (mysql_real_query(mysql,
STRING_WITH_LEN("CREATE TABLE test.ts_table"
" ( hash varbinary(512),"
" time timestamp default current_time,"
" primary key (hash), index tm (time) )" )))
return 1 ;
if (mysql_real_query(mysql,
STRING_WITH_LEN("INSERT INTO test.ts_table VALUES('1234567890', NULL)" )))
return 1 ;
if (mysql_real_query(mysql, STRING_WITH_LEN("select * from test.ts_table" )))
return 1 ;
if (!(res= mysql_store_result(mysql)))
return 1 ;
mysql_free_result(res);
if (mysql_real_query(mysql, STRING_WITH_LEN("DROP TABLE test.ts_table" )))
return 1 ;
return 0 ;
}
static int do_tests()
{
MYSQL *mysql;
int result= 1 ;
mysql= mysql_init(NULL);
if (mysql_real_connect_local(mysql) == NULL)
return 1 ;
if (run_queries(mysql))
goto exit ;
if (run_queries(global_mysql))
goto exit ;
result= 0 ;
exit :
mysql_close(mysql);
return result;
}
void auditing(MYSQL_THD thd, unsigned int event_class, const void *ev)
{
}
static int run_test(MYSQL_THD thd, struct st_mysql_sys_var *var, void *save,
struct st_mysql_value *value)
{
*(my_bool*)save= 1 ; // must initialize the return value
return (test_passed= (do_tests() == 0 )) == 0 ;
}
static int run_sql(MYSQL *mysql, void *save, struct st_mysql_value *value)
{
const char *str;
int len= 0 ;
MYSQL_RES *res;
*(my_bool*)save= 1 ; // must initialize the return value
str= value->val_str(value, NULL, &len);
if (mysql_real_query(mysql, str, len))
{
if (mysql_error(mysql)[0 ])
{
my_snprintf(qwe_res, sizeof (qwe_res), "Error %d returned. %s" ,
mysql_errno(mysql), mysql_error(mysql));
return 0 ;
}
return 1 ;
}
if ((res= mysql_store_result(mysql)))
{
my_snprintf(qwe_res, sizeof (qwe_res), "Query returned %lld rows." ,
mysql_num_rows(res));
mysql_free_result(res);
}
else
{
if (mysql_error(mysql)[0 ])
{
my_snprintf(qwe_res, sizeof (qwe_res), "Error %d returned. %s" ,
mysql_errno(mysql), mysql_error(mysql));
}
else
my_snprintf(qwe_res, sizeof (qwe_res), "Query affected %lld rows." ,
mysql_affected_rows(mysql));
}
return 0 ;
}
static void noop_update(MYSQL_THD thd, struct st_mysql_sys_var *var,
void *var_ptr, const void *save)
{
sql_text_local= sql_text_global= qwe_res;
}
static int run_sql_local(MYSQL_THD thd, struct st_mysql_sys_var *var, void *save,
struct st_mysql_value *value)
{
MYSQL *mysql;
int result= 1 ;
mysql= mysql_init(NULL);
if (mysql_real_connect_local(mysql) == NULL)
return 1 ;
if (run_sql(mysql, save, value))
goto exit ;
result= 0 ;
exit :
mysql_close(mysql);
return result;
}
static int run_sql_global(MYSQL_THD thd, struct st_mysql_sys_var *var, void *save,
struct st_mysql_value *value)
{
return run_sql(global_mysql, save, value);
}
static int init_done= 0 ;
static int test_sql_service_plugin_init(void *p)
{
(void ) p;
global_mysql= mysql_init(NULL);
if (!global_mysql ||
mysql_real_connect_local(global_mysql) == NULL)
return 1 ;
init_done= 1 ;
test_passed= (do_tests() == 0 );
return 0 ;
}
static int test_sql_service_plugin_deinit(void *p)
{
(void ) p;
if (!init_done)
return 0 ;
mysql_close(global_mysql);
return 0 ;
}
static struct st_mysql_audit maria_descriptor =
{
MYSQL_AUDIT_INTERFACE_VERSION,
NULL,
auditing,
{ MYSQL_AUDIT_GENERAL_CLASSMASK |
MYSQL_AUDIT_TABLE_CLASSMASK |
MYSQL_AUDIT_CONNECTION_CLASSMASK }
};
maria_declare_plugin(test_sql_service)
{
MYSQL_AUDIT_PLUGIN,
&maria_descriptor,
"TEST_SQL_SERVICE" ,
"Alexey Botchkov (MariaDB Corporation)" ,
"Test SQL service" ,
PLUGIN_LICENSE_GPL,
test_sql_service_plugin_init,
test_sql_service_plugin_deinit,
PLUGIN_VERSION,
test_sql_status,
test_sql_vars,
NULL,
MariaDB_PLUGIN_MATURITY_EXPERIMENTAL
}
maria_declare_plugin_end;
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(vorverarbeitet am 2026-10-08)
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