Re: The SUID bit (was Re: [PATCH] more SAK stuff)

[Rob Landley]

On Friday 06 July 2001 11:17, Doug McNaught wrote:
> Rob Landley <[e-mail]> writes:
> > Do you have a code example of how a program with euid root can change its
> > actual uid (which several programs check when they should be checking
> > euid, versions of dhcpcd before I complained about it case in point)?
>
> Ummm...  setuid(2)?
>
> Works for me...

Albert Calahan cleared this up for me in email.  I thought that euid 0 
wouldn't let you actually setuid(0) for security reasons.  (Otherwise the 
distinction between the two of them seemed kind of pointless, which I must 
admit I'm now officially confused about, and likely to spend an evening with 
google over.)

Rob