[ale] starting binaries as insignificant users

[Christopher Fowler]

I think sudo will execute a command as a user and not try to do it via a
shell.


On Mon, 2003-03-10 at 09:10, John Wells wrote:
> Chris,
> 
> Thanks.  That would definitely work.  However, my customer requires that
> startup routines be scripts.
> 
> Hmmm...wonder if Perl exposes setgid and setuid?
> 
> /me off to look in the camel book...
> 
> Thanks!
> John
> 
> Christopher Fowler said:
> > SU in that manner uses "sh -c" to execution a login shell.
> >
> >
> > Here is what you do.
> >
> > setgid(<group id here>);
> > setuid(<user id here>);
> >
> > execl(arg[0], arg[1], ... arg[N[);
> >
> >
> > You are done.  You do not need a shell to execute a program, su was just
> > written that way.
> 
> 
> 
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