[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: Can shell-script be setuid ?



On Mon, Oct 02, 2000 at 01:51:03PM -0400, William T Wilson wrote:
> On Mon, 2 Oct 2000, Alex V. Toropov wrote:
> 
> > Can I make a shell script setuid ?
> 
> No.  Linux doesn't support this since it is insecure.  It works with perl
> scripts only, because Perl does some extra checks and explicit handling to
> make it work.

Also, doesn't perl use a special suid binary to run these scripts,
because as far as the kernel is concerned it just hands it to
/usr/bin/perl non-suid. Perl detects that the script is suid, and does
the security handling and restarts suid with that binary.


-- 
  finger for GPG public key.

Attachment: pgpoLKzBapZIU.pgp
Description: PGP signature


Reply to: