Date: Sun, 27 Jan 2002 12:50:30 +1100 From: Edwin Groothuis <edwin@mavetju.org> To: Bernie <Bernie_X@myrealbox.com> Cc: questions@freebsd.org Subject: Re: shutdown Message-ID: <20020127125030.S823@k7.mavetju.org> In-Reply-To: <20020127012015.X4706-100000@BLAST>; from Bernie_X@myrealbox.com on Sun, Jan 27, 2002 at 01:22:00AM %2B0200 References: <20020127122850.R823@k7.mavetju.org> <20020127012015.X4706-100000@BLAST>
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On Sun, Jan 27, 2002 at 01:22:00AM +0200, Bernie wrote: > > > On Sun, 27 Jan 2002, Edwin Groothuis wrote: > > > On Sun, Jan 27, 2002 at 01:20:29AM +0000, Dimitri T wrote: > > > is it possible to give a user (other than root) the > > > right to shutdown the system? > > > > If you look at the permissions of /sbin/shutdown, you see: > > -r-sr-x--- 1 root operator 166304 Sep 19 03:27 /sbin/shutdown > > > > So everybody in the group operator can issue the shutdown command. > > > > Edwin > > > > -- > > Edwin Groothuis | Personal website: http://www.MavEtJu.org > > edwin@mavetju.org | Interested in MUDs? Visit Fatal Dimensions: > > ------------------+ http://www.FatalDimensions.org/ > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-questions" in the body of the message > > > > > > i was looking at the same for 'halt' > > -r-xr-xr-x 4 root wheel 228812 Dec 27 11:24 halt > > seems everyone can use it... Everybody can run it, only a few can run it succesfully: [~] edwin@friet44>halt halt: Operation not permitted [~] edwin@friet44>groups wheel operator Reading the source: if (geteuid()) { errno = EPERM; err(1, NULL); } The call to geteuid will always return non-zero for non-root users, so non-root users will not be able to run halt (reboot, fasthalt, fastboot) Edwin -- Edwin Groothuis | Personal website: http://www.MavEtJu.org edwin@mavetju.org | Interested in MUDs? Visit Fatal Dimensions: ------------------+ http://www.FatalDimensions.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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