Re: su Password Buffer

[Paul Jarc]

address@hidden (Bob Proulx) wrote:
> Zach J. Elko wrote:
>> Granted, it executes that command as the user who ran su, I think it
>> would be better to just display an error message and then take the
>> excess bytes and throw them into /dev/null.
>
> The problem is how do you know when to stop reading?

When you see a newline.  If you fill your buffer first, report the
error, read and discard the rest of the current line, and start over
reading the next line.


paul