Date: Sat, 28 Apr 2012 11:12:31 +0200 From: =?ISO-8859-1?Q?V=E1clav_Zeman?= <vhaisman@gmail.com> To: freebsd-stable@freebsd.org Subject: Re: Restricting users from certain privileges Message-ID: <4F9BB47F.9060803@gmail.com> In-Reply-To: <CACuV5sCHmnUnXTTY%2BkGqszi-Ynu8Vr3bf%2BLALf=yQbhHPXSdXA@mail.gmail.com> References: <CACuV5sCyCgn8aBawTEP=BT%2B%2B4Ut4kPt8fXSq%2BgcS2YrkZaU%2BJw@mail.gmail.com> <E1SO2ER-000K66-8k@kabab.cs.huji.ac.il> <CACuV5sCHmnUnXTTY%2BkGqszi-Ynu8Vr3bf%2BLALf=yQbhHPXSdXA@mail.gmail.com>
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[-- Attachment #1 --] On 04/28/2012 09:50 AM, Zenny wrote: > On Sat, Apr 28, 2012 at 9:38 AM, Daniel Braniss <danny@cs.huji.ac.il> wrote: > >>> Hi: >>> >>> I could not figure out how to restrict users or other users from certain >>> privileges to execute certain commands in FreeBSD/NanoBSD? >>> >>> What I meant is I want to create a NanoBSD image in which there will be >> an >>> additional user, say 'admin'. I need to give this new user (admin) some >>> privileges to run some root-can-only-execute commands, but not all (ACL >>> similar to the firmwares in adsl modems from ISPs). >>> >>> I read Dru Lavingne's 'BSD Hacks' and Joseph Kong's 'Designing BSD >>> Rootkits' besides FreeBSD handbook, but I simply could not figure out. >>> Could anyone throw some light on this? Appreciate it! >>> >>> Thanks! >>> >>> /zenny >> try sudo from ports, security/sudo >> >> cheers, >> danny >> >> > Thanks Daniel, but sudo gives all (not selective) root privileges to the > user (admin in my case). So this is not what I am trying to achieve in my > original post. If sudo does not work then what about using ACLs? $ chmod og-rwx /bin/dangerous $ setfacl -m "user:admin:rx" /bin/dangerous -- VZ [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iF4EAREIAAYFAk+btNIACgkQbJlIwZz1OoeeIQD+MIjTVskYf2evwKYFx3ajdnUD fmAmKgtYIa88geYeav0A/jGFlTddkqipfPNUM1pC5z3s9VDsnT1Hc6i+7l6qo9et =K4GL -----END PGP SIGNATURE-----
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