From owner-freebsd-questions  Wed Jul  5  0:56:59 2000
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Message-ID: <3962E07E.3C3501DB@twam.com>
Date: Wed, 05 Jul 2000 09:15:10 +0200
From: "Loic Mahe'" <mahe@twam.com>
Organization: TWAM Informatique
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To: freebsd-questions@freebsd.org
Subject: fts_read and mount
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Hello,

I noticed a strange behaviour with mount(8) on FreeBSD 3.1 (I
couldn't test it on another version) :

Let's take /home with a sub-directory /home/users

In the sub-directory, I wish to mount a filesystem (local ou
through NFS) :

mount /dev/wd0s2g /home/users
or
mount_nfs server:/home/users /home/users

I do the following :
1) BEFORE mounting
   chmod 700 /home/users
2) I make the mount
   The rights are now 755 (which is normal, since the directory
   is now the root of the mounted filesystem)
3) I log in as a normal (non-root) user and I make :
   cd /home ; find .
   or
   cd /home ; ls -lR
   I get this error message :
   find: fts_read: Permission denied
   or
   ls: fts_read: Permission denied

   But if I do :
   cd /home/users ; find . 
   or
   cd /home/users ; ls -lR
   there is no error.

So, it seams that the 700 permission (which should be "hidden" by
the mount), is still taken into account.
[Of course, there is no reason to put permission 700 on /home/users].

Any ideas ?

Thanks in advance.

Loic


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