[ale] starting binaries as insignificant users

[jb at sourceillustrated.com (John Wells)]

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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