我終於明白了。這不僅僅是我用來執行ExecuteScalar方法的代碼,它主要是執行類的代碼上傳流。這就是所有調用你的代碼。也就是說,有人可以看看執行我的SQL類的代碼是否有錯誤。我仍然無法通過掃描。首先,我將向您展示調用我的代碼,然後調用代碼以及最後執行的代碼的兩個示例,這些代碼由前一篇文章制定並顯示。無法停止SQL注入錯誤
調用代碼有三個參數:
public bool isTamAsp(int aspKey, int fy, string accountCode)
{
MyParam myParam;
string sqlQuery = "select isTamMacom = count(macom_key) FROM hier_fy " +
"WHERE hier_key = @aspKey AND fy = @fy AND @accountCode NOT IN (3,4,7,8) AND macom_key IN (select hier_key from lkup_e581_MacomThatRequireTAM) AND is_visible = 1 AND is_active = 1";
QueryContainer Instance = new QueryContainer(sqlQuery);
myParam = new MyParam();
myParam.SqlParam = new SqlParameter("@aspKey", Instance.AddParameterType(_DbTypes.Int));
myParam.SqlParam.Value = aspKey;
Instance.parameterList.Add(myParam);
myParam = new MyParam();
myParam.SqlParam = new SqlParameter("@fy", Instance.AddParameterType(_DbTypes.Int));
myParam.SqlParam.Value = fy;
Instance.parameterList.Add(myParam);
myParam = new MyParam();
myParam.SqlParam = new SqlParameter("@accountCode", Instance.AddParameterType(_DbTypes._string));
myParam.SqlParam.Value = accountCode;
Instance.parameterList.Add(myParam);
if (Convert.ToInt32(ExecuteScaler(Instance)) < 1)
return false;
return true;
}
調用代碼不帶參數:
public long GetMarinesUploadNextUploadKey()
{
string query = "SELECT MAX(upload_key) FROM temp_auth_usmc_upload";
QueryContainer Instance = new QueryContainer(query);
string result = Convert.ToString(ExecuteScaler(Instance));
if (string.IsNullOrEmpty(result))
return 1;
else
return Convert.ToInt64(result) + 1;
}
代號叫我前面的代碼有三個參數:
public bool isTamAsp(int aspKey, int fy, string accountCode)
{
return e581provider.isTamAsp(aspKey, fy, accountCode);
}
方法調用SQL執行我的代碼:
DbCommand command = _provider.CreateCommand();
command.Connection = _connection;
{
command.CommandText = Instance.Query;
command.CommandType = CommandType.Text;
if (Instance.parameterList.Count > 0)
{
foreach (var p in Instance.parameterList)
{
command.Parameters.Add(p.SqlParam);
}
}
if (_useTransaction) { command.Transaction = _transaction; }
try
{
returnValue = command.ExecuteScalar();
}
我的班級包含SQL字符串和CMD參數列表
public enum _DbTypes
{
Int = 1, _string = 2, _long = 3, _bool = 4, _DateTime = 5,
_decimal = 6, _float = 7, _short = 8, _bite = 9
}
public class MyParam
{
public SqlParameter SqlParam { get; set; }
}
/// <summary>
/// Summary description for QueryContainer SGH
/// </summary>
public class QueryContainer
{
string _query;
public List<MyParam> parameterList = new List<MyParam>();
public QueryContainer(string query) { _query = query; }
public SqlDbType AddParameterType(_DbTypes id)
{
switch (id)
{
case _DbTypes.Int:
return (SqlDbType)Enum.Parse(typeof(SqlDbType), "int", true);
case _DbTypes._string:
return (SqlDbType)Enum.Parse(typeof(SqlDbType), "NVarChar", true);
case _DbTypes._long:
return (SqlDbType)Enum.Parse(typeof(SqlDbType), "SqlDbType.BigInt", true);
case _DbTypes._bool:
return (SqlDbType)Enum.Parse(typeof(SqlDbType), "SqlDbType.Bit", true);
}
return SqlDbType.VarChar;
}
public string Query
{
get
{
return _query;
}
set { _query = value; }
}
}
',_bite = 9' nom nom nom – asawyer
我不明白這一點。你在這裏的代碼是**不**易受到SQL注入攻擊。我看到的最糟糕的事情是'GetMarinesUploadNextUploadKey()'方法上的爭用條件(您應該使用標識列或序列)。代碼還會經歷一些不必要的工作,爲現有類型生成它自己的包裝,並且您爲該工作獲得的所有內容都比您已經擁有的更復雜。 –
什麼叫第一種方法? 「accountCode」可能包含SQL注入攻擊嗎?它被放入一個最終被執行的字符串中;也許這就是爲什麼你會遇到漏洞? – johnjps111