Re: SUID

[csj <csj@mindgate.net>]

On Wed, 2001-09-19 at 06:54, Nathan E Norman wrote:
> On Wed, Sep 19, 2001 at 04:35:11AM +0800, csj wrote:
> > On Wed, 2001-09-19 at 03:15, Jason Healy wrote:
> > > At 1000834035s since epoch (09/18/01 13:27:15 -0400 UTC), Ian Marlier wrote:
> > > > I feel like an idiot asking this, but how does one set something to 
> > > > run SUID?
> > > 
> > > chmod u+s To setUID to the user that owns the file
> > > chmod g+s To setGID to the group that owns the file
> > > 
> > > Standard disclaimer: Be VERY careful with setuid programs!  You're
> > > essentially giving anyone the ability to run a program as another user.
> > 
> > This I believe is the only way to burn CDR's as nonroot.
> 
> Well, that's not true :)
> 
> $ ls -lL /dev/sg?
> crw-------    1 root     root      21,   0 Dec 31  1969 /dev/sg0
> crw-rw----    1 root     cdrom     21,   1 Dec 31  1969 /dev/sg1
> crw-rw----    1 root     cdrom     21,   2 Dec 31  1969 /dev/sg2
> 
> Anyone in the cdrom group can burn a cd.

And make coasters ;)