Re: sys_chroot+sys_fchdir Fix

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To: <linux-kernel@...>
Date: Wednesday, September 26, 2007 - 11:03 am

Once upon a time, Alan Cox  <alan@lxorguk.ukuu.org.uk> said:

I hate to get involved in this, but actually chroot() is no longer part
of SuS as of version 3.

For other Unix versions, both Tru64 (5.1B) and Solaris (9) chroot(2) man
pages also say the working directory is unaffected by chroot().  The
Solaris man page explicitly mentions using fchdir() to reset the root to
a previously opened directory however.

On Tru64 and Solaris, the chroot command does call chdir() after
chroot(), but that is a userspace thing.
-
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Messages in current thread:
sys_chroot+sys_fchdir Fix, majkls, (Wed Sep 19, 3:19 am)
Re: sys_chroot+sys_fchdir Fix, Alan Cox, (Wed Sep 19, 5:40 am)
Re: sys_chroot+sys_fchdir Fix, Bill Davidsen, (Wed Sep 19, 2:27 pm)
Re: sys_chroot+sys_fchdir Fix, Alan Cox, (Wed Sep 19, 2:45 pm)
Re: sys_chroot+sys_fchdir Fix, David Newall, (Wed Sep 19, 6:24 pm)
Re: sys_chroot+sys_fchdir Fix, Phillip Susi, (Fri Sep 21, 1:39 pm)
Re: sys_chroot+sys_fchdir Fix, Alan Cox, (Fri Sep 21, 2:10 pm)
Re: sys_chroot+sys_fchdir Fix, Phillip Susi, (Tue Sep 25, 4:53 pm)
Re: sys_chroot+sys_fchdir Fix, Al Viro, (Tue Sep 25, 8:23 pm)
Re: sys_chroot+sys_fchdir Fix, David Newall, (Wed Sep 26, 6:34 am)
Re: sys_chroot+sys_fchdir Fix, Christer Weinigel, (Wed Sep 26, 3:24 pm)
Re: sys_chroot+sys_fchdir Fix, David Newall, (Wed Sep 26, 5:19 pm)
Re: sys_chroot+sys_fchdir Fix, Christer Weinigel, (Thu Sep 27, 3:28 am)
Re: sys_chroot+sys_fchdir Fix, Theodore Tso, (Thu Sep 27, 7:23 am)
Re: sys_chroot+sys_fchdir Fix, Bill Davidsen, (Thu Sep 27, 10:36 am)
Re: sys_chroot+sys_fchdir Fix, David Newall, (Thu Sep 27, 9:06 pm)
Re: sys_chroot+sys_fchdir Fix, Adrian Bunk, (Wed Sep 26, 5:55 pm)
Re: sys_chroot+sys_fchdir Fix, David Newall, (Wed Sep 26, 7:35 pm)
Re: sys_chroot+sys_fchdir Fix, Adrian Bunk, (Wed Sep 26, 8:01 pm)
Re: sys_chroot+sys_fchdir Fix, David Newall, (Thu Sep 27, 2:42 am)
Re: sys_chroot+sys_fchdir Fix, Adrian Bunk, (Thu Sep 27, 2:53 am)
Re: sys_chroot+sys_fchdir Fix, Al Viro, (Wed Sep 26, 11:59 pm)
Re: sys_chroot+sys_fchdir Fix, Al Viro, (Wed Sep 26, 2:40 pm)
Re: sys_chroot+sys_fchdir Fix, Alan Cox, (Wed Sep 26, 7:21 am)
Re: sys_chroot+sys_fchdir Fix, David Newall, (Wed Sep 26, 7:22 am)
Re: sys_chroot+sys_fchdir Fix, Alan Cox, (Wed Sep 26, 7:38 am)
Re: sys_chroot+sys_fchdir Fix, David Newall, (Wed Sep 26, 7:56 am)
Re: sys_chroot+sys_fchdir Fix, Alan Cox, (Wed Sep 26, 10:10 am)
Re: sys_chroot+sys_fchdir Fix, David Newall, (Wed Sep 26, 12:54 pm)
Re: sys_chroot+sys_fchdir Fix, Alan Cox, (Wed Sep 26, 1:04 pm)
Re: sys_chroot+sys_fchdir Fix, David Newall, (Wed Sep 26, 1:18 pm)
Re: sys_chroot+sys_fchdir Fix, Alan Cox, (Wed Sep 26, 1:29 pm)
Re: sys_chroot+sys_fchdir Fix, David Newall, (Wed Sep 26, 1:28 pm)
Re: sys_chroot+sys_fchdir Fix, Chris Adams, (Wed Sep 26, 11:03 am)