Bug 1359042 – /etc/exports parsing is broken leading default option cannot be overridden by the host-specific option

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Bug 1359042 - /etc/exports parsing is broken leading default option cannot be overridden by the host-specific option

Summary:	/etc/exports parsing is broken leading default option cannot be overridden by...

Status:	NEW

Aliases:	None

Product:	Red Hat Enterprise Linux 7
Classification:	Red Hat
Component:	nfs-utils (Show other bugs)
Sub Component:
Version:	7.2
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	rc
Target Release:	---
Assigned To:	Steve Dickson
QA Contact:	Yongcheng Yang
Docs Contact:	Milan Navratil

URL:
Whiteboard:
Keywords:

Depends On:
Blocks:	1362179
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Reported:	2016-07-22 03:17 EDT by Yongcheng Yang
Modified:	2018-09-30 05:43 EDT (History)
CC List:	2 users (show)

See Also:
Fixed In Version:
Doc Type:	Known Issue
Doc Text:	The default option specification is not overridden by the host-specific option in `/etc/exports` When "sec=sys" is used in the default option section of the `/etc/exports` file, the options list that follows is not parsed correctly. As a consequence, the default option cannot be overridden by the host-specific option.
Story Points:	---
Clone Of:
Environment:
Last Closed:
Type:	Bug
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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Description Yongcheng Yang 2016-07-22 03:17:31 EDT

Description of problem:
The default option specification (i.e. ‘ro’) should be overridden by the host-specific option. That’s how it used to work.

Version-Release number of selected component (if applicable):
RHEL-7.2 with nfs-utils-1.3.0-0.31.el7

How reproducible:
100% easy

Steps to Reproduce:
1. See "Actual results" below.

Actual results:
[root@leira nfs]# cat /etc/exports
/export         -ro,sec=sys,sync        localhost(rw,no_root_squash)
[root@leira nfs]# exportfs -rv
exporting localhost:/export
[root@leira nfs]# mount -t nfs localhost:/export /mnt/nfs
[root@leira nfs]# mkdir /mnt/nfs/gnurr
mkdir: cannot create directory ‘/mnt/nfs/gnurr’: Read-only file system

Note that removing the "sec=sys" above causes the test to succeed.

Expected results:
localhost should have the "rw" right.

Additional info:
upstream conversation
http://www.spinics.net/lists/linux-nfs/msg58593.html

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