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Bug 167602 - NFS - cannot export directories from /etc/exports
NFS - cannot export directories from /etc/exports
Product: Fedora
Classification: Fedora
Component: selinux-policy-targeted (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Daniel Walsh
: Security
Depends On:
  Show dependency treegraph
Reported: 2005-09-06 00:39 EDT by Peter Jennings
Modified: 2007-11-30 17:11 EST (History)
0 users

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2005-09-06 17:03:15 EDT
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Description Peter Jennings 2005-09-06 00:39:12 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.10) Gecko/20050720 Fedora/1.0.6-1.1.fc4 Firefox/1.0.6

Description of problem:
Trying to NFS export a directory for use of other machines on the network. SELinux is denying access to the /etc/exports file.
This worked in the earlier version:

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1./etc/exports contains:
/home      goneril(rw,sync,no_root_squash)
2. /usr/sbin/exportfs -av

Actual Results:  Message from /var/log/audit/audit.log

type=AVC msg=audit(1125957617.379:27): avc:  denied  { read } for  pid=2672 comm="exportfs" name="exports" dev=hda5 ino=3091699 scontext=system_u:system_r:nfsd_t tcontext=root:object_r:tmp_t tclass=file        

Expected Results:  Message from /var/log/messages

Sep  5 18:31:29 chaos kernel: SELinux: initialized (dev nfsd, type nfsd), uses genfs_contexts

Additional info:

Output from getsebool:

 /usr/sbin/getsebool -a |grep nfs
nfs_export_all_ro --> active
nfs_export_all_rw --> active
nfsd_disable_trans --> inactive
use_nfs_home_dirs --> inactive
Comment 1 Daniel Walsh 2005-09-06 17:03:15 EDT
restorecon -v /etc/exports

If you create a file in /tmp and then mv it to /etc, it retains the file context
of /tmp and nfs is not allowed to read it.  restorecon sets the file to the
correct context.

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