You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

124 lines
3.3 KiB

#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string>
#include <iostream>
#include <mysql.h>
#include <mysql/client_plugin.h>
#include <mysqld_error.h>
#include "violite.h"
using namespace std;
#define STRING_SIZE 50
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
MYSQL mysql;
MYSQL_BIND bind[4];
MYSQL_RES *prepare_meta_result;
MYSQL_TIME ts;
unsigned long length[4];
int column_count;
short small_data;
int int_data;
char str_data[STRING_SIZE];
bool is_null[4];
bool error[4];
bool opt_cleartext = true;
unsigned int opt_ssl = SSL_MODE_DISABLED;
mysql_init(&mysql);
mysql_options(&mysql, MYSQL_ENABLE_CLEARTEXT_PLUGIN, &opt_cleartext);
mysql_options(&mysql, MYSQL_OPT_SSL_MODE, &opt_ssl);
mysql.options.protocol = MYSQL_PROTOCOL_FUZZ;
// The fuzzing takes place on network data received from server
sock_initfuzz(Data,Size);
if (!mysql_real_connect(&mysql,"localhost","root","root","",0,NULL,0))
{
return 0;
}
MYSQL_STMT *stmt = mysql_stmt_init(&mysql);
if (!stmt)
{
mysql_stmt_close(stmt);
mysql_close(&mysql);
return 0;
}
if (mysql_stmt_prepare(stmt, "SELECT col1, col2, col3, col4 FROM Cars",(ulong)strlen("SELECT col1, col2, col3, col4 FROM Cars")))
{
mysql_stmt_close(stmt);
mysql_close(&mysql);
return 0;
}
prepare_meta_result = mysql_stmt_result_metadata(stmt);
if (!prepare_meta_result)
{
mysql_stmt_close(stmt);
mysql_close(&mysql);
return 0;
}
if (mysql_stmt_execute(stmt))
{
mysql_stmt_close(stmt);
mysql_close(&mysql);
return 0;
}
column_count= mysql_num_fields(prepare_meta_result);
memset(bind, 0, sizeof(bind));
/* INTEGER COLUMN */
bind[0].buffer_type= MYSQL_TYPE_LONG;
bind[0].buffer= (char *)&int_data;
bind[0].is_null= &is_null[0];
bind[0].length= &length[0];
bind[0].error= &error[0];
/* STRING COLUMN */
bind[1].buffer_type= MYSQL_TYPE_STRING;
bind[1].buffer= (char *)str_data;
bind[1].buffer_length= STRING_SIZE;
bind[1].is_null= &is_null[1];
bind[1].length= &length[1];
bind[1].error= &error[1];
/* SMALLINT COLUMN */
bind[2].buffer_type= MYSQL_TYPE_SHORT;
bind[2].buffer= (char *)&small_data;
bind[2].is_null= &is_null[2];
bind[2].length= &length[2];
bind[2].error= &error[2];
/* TIMESTAMP COLUMN */
bind[3].buffer_type= MYSQL_TYPE_TIMESTAMP;
bind[3].buffer= (char *)&ts;
bind[3].is_null= &is_null[3];
bind[3].length= &length[3];
bind[3].error= &error[3];
if (mysql_stmt_bind_result(stmt, bind))
{
mysql_free_result(prepare_meta_result);
mysql_stmt_close(stmt);
mysql_close(&mysql);
return 0;
}
if (mysql_stmt_store_result(stmt))
{
mysql_free_result(prepare_meta_result);
mysql_stmt_close(stmt);
mysql_close(&mysql);
return 0;
}
while (1) {
int status = mysql_stmt_fetch(stmt);
if (status == 1 || status == MYSQL_NO_DATA)
break;
}
mysql_free_result(prepare_meta_result);
mysql_stmt_close(stmt);
mysql_close(&mysql);
return 0;
}