Date: Sat, 20 Dec 2003 15:47:48 -0500 From: Steve Bertrand <iaccounts@northnetworks.ca> To: Mark McConnell <markmc@tisimaging.com> Cc: freebsd-questions@Freebsd.org Subject: Re: bad root shell Message-ID: <1071953267.258.3.camel@ptp.northnetworks.ca> In-Reply-To: <3FE419F1.7851.51B6193@localhost> References: <3FE419F1.7851.51B6193@localhost>
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On Sat, 2003-12-20 at 12:44, Mark McConnell wrote: > An error in a pw* script inserted a non-existent shell into the > password database, effectively locking out root. > > I used a fixit disk to correct the problem, using this procedure: > > 1. mount boot drive to /mnt > > 2. provide myself with a working mkdb and vi (for chpass): > # mkdir /usr/sbin /usr/bin > # ln -s /mnt/usr/sbin/pwd_mkdb /usr/sbin/pwd_mkdb > # ln -s /mnt/usr/bin/vi /usr/bin/vi > > 3. link pwd.db, spwd.db, group, passwd, master.passwd, ex: > # rm /etc/group /etc/spwd.db > # for i in `ls /mnt/etc/` ; do ln -s /mnt/etc/$i /etc/$i ; done > > 4. run mkdb > # /usr/sbin/pwd_mkdb master.passwd > > 5. Using chpass to change root's shell from `badshell' to csh > # chpass root > :s/badshell/\/bin\/csh/ > > All of this appears to do work without errors: > # pw usershow -u root > root:*:0:0::0:0:Charlie &:/root:/bin/csh > > However, when I log in as root, I am still locked out with the > message: > $ su > Password: ******** > badshell: No such file or directory > > I am still stupid. I am still locked out. /etc/passwd and > /etc/master.passwd no longer show the badshell. My configuration > appears to be deeply broken. Why does my procedure fail? > Just a thought, does /bin/csh live in /etc/shells? Is csh actually in the /bin directory? Is it executable? Perhaps try using /bin/sh for your shell. Steve > Mark > -- > Mark McConnell - Portland, OR > Technical Imaging Systems > markmc@tisimaging.com > 503-546-0517 > mkmcconn@hevanet.com > 503-257-7591 > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"
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