[Bug 883257] Re: nfs is left to an inconsistent state when /etc/default/nfs-* parameters have options without quotes

[Leonardo Borda]

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https://bugs.launchpad.net/bugs/883257

Title:
  nfs is left to an inconsistent state when /etc/default/nfs-*
  parameters have options without quotes

Status in “nfs-utils” package in Ubuntu:
  New

Bug description:
  When a space+option is left without quotes in NEED_IDMAPD it leaves
  nfs to an inconsistent state upon start.

  Steps to reproduce
  1. in /etc/default/nfs-common change NEED_IDMAPD= to
  NEED_IDMAPD= yes
  2. stop idmapd, start idmapd

  This is probably caused by /etc/init/idmapd that runs the following code. 
  env DEFAULTFILE=/etc/default/nfs-common
  	if [ -f "$DEFAULTFILE" ]; then
  		. "$DEFAULTFILE"
  	fi

  In this case NEED_IDMAPD is empty which causes issues when starting
  the service.

  PS: in my tests since /etc/init/idmapd.conf tries to source the
  variable NEED_IDMAPD= yes ( without quotes ), it also starts the
  following linux util /usr/bin/yes           :-P

  I know having spaces in variable assignment must not happen without
  quotes though we should find a way of enforcing or sanitize variables.

  Leonardo

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: nfs-common 1:1.2.2-4ubuntu5.1
  Uname: Linux 2.6.39-020639rc4-generic i686
  Architecture: i386
  Date: Fri Oct 28 15:33:08 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110426)
  ProcEnviron:
   LANGUAGE=en_CA:en
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: nfs-utils
  UpgradeStatus: No upgrade log present (probably fresh install)

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