[cs631apue] Setproctitle not available on Linux Lab

[Tejas Nadkarni]

I modified the contents of argv for the entry relating to the passphrase, I
printed it before the change and after the change and so I know I modified
it. However, when I run 'ps aux | grep aed' I still see the original
passphrase and not what I modified. Is there another step to refresh the
process entry??


On Sat, Dec 7, 2013 at 10:14 AM, Jan Schaumann <jschauma at stevens.edu> wrote:

> Tejas Nadkarni <tnadkarn at stevens.edu> wrote:
> > There's no man page for it and I can't get it to compile using it. I see
> > the other option is manipulating argv but I'm not clear what exactly that
> > means? Just need some guidance on that.
>
> When you run a program
>
> ./aed -e -s salt -p passphrase
>
> this entire line will be seen in the process table.  That is
> undesirable, since anybody running ps(1) can now see your password.  So
> you want to change the string that is entered into the process table
> from
>
> ./aed -e -s salt -p passphrase
>
> to
>
> ./aed -e -s salt -p **********
>
> So you would need to change the contents of the buffer pointed to by
> argv[5].
>
> -Jan
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