Re: secure sql-statments - Mailing list pgsql-jdbc

From Barry Lind
Subject Re: secure sql-statments
Date
Msg-id 3BF2CEDD.7070803@xythos.com
Whole thread Raw
In response to secure sql-statments  (list@meinsenf.at)
List pgsql-jdbc
Michi,

You should use PreparedStatements and you won't need to worry about
doing anything, as the driver will take care of all the work for you.

thanks,
--Barry

list@meinsenf.at wrote:

>
> hi,
> I want to make my web-app secure against evil sql-statments!
>
> my sql-strings look like:
>
> updateString = "update table_1 set col_1 = '" + postParam_1 + "'";
> selectString = "select col_1 from table_1 where col_1 like '" + postParam + "'";
> generalSelectString = postParam;
>
> what characters do I have to quote, so that the client can't submit evil sql-statments?
>
> ok: 2 characters i must quote: "'" -> "\'" and "\" -> "\\"
> what characters do I need to quote else???
> perhaps ";" -> "\;"
>
> thanks
> michi
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>



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