Article View: comp.bugs.sys5
Article #157Re: chroot feature of V.4.0 login(1)
From: James A Young
Date: Tue, 11 Aug 1992 15:29
Date: Tue, 11 Aug 1992 15:29
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With some help from a couple of people on the Internet I was able to get the chroot feature of login(1) to work. My problem was that my /root/dev directory was in a mounted file system. login(1) calls ttyname(3C), which checks to see if the following conditions exist when it is searching for the file name of the parameter passed in from login(1): a) major & minor device numbers b) inode number c) file system ID If it fails to match on all three it will settle for just a) AND c). Since I had created my sublogin root directory in a mounted file system I never got a match. Jim Young 8young@rsvl.unisys.com Roseville Development Center Unisys Corp.
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arc1-ca.pugleaf.net!sparky!uunet!usc!sol.ctr.columbia.edu!The-Star.honeywell.com!umn.edu!mmm.serc.3m.com!pwcs!medtron!rosevax!minnow!unirsvl !8youngShow Full Headers
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Newsgroups: comp.bugs.sys5 Path: arc1-ca.pugleaf.net!sparky!uunet!usc!sol.ctr.columbia.edu!The-Star.honeywell.com!umn.edu!mmm.serc.3m.com!pwcs!medtron!rosevax!minnow!unirsvl !8young From: 8young@rsvl.unisys.com (James A Young ) Subject: Re: chroot feature of V.4.0 login(1) Message-ID: <1992Aug11.152910.13797@rsvl.unisys.com> Organization: Unisys - Roseville, MN Date: Tue, 11 Aug 92 15:29:10 GMT Lines: 17