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From: Brooks Davis <brooks@FreeBSD.org>
Date: Thu, 26 Jan 2006 21:05:39 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/sbin/dhclient dhclient-script
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brooks      2006-01-26 21:05:39 UTC

  FreeBSD src repository

  Modified files:
    sbin/dhclient        dhclient-script 
  Log:
  Fix rev 1.12.
  
  /tmp may not be writeable yet when dhclient is first run via
  /etc/rc.d/netif so using it may not work.  Also, writing to a
  predictable file in /tmp as root is a really bad idea since a malicious
  user may be able to win a race and insert a symlink which will allow
  them to cause any file to be overwritten.  To solve these problems,
  create the tempory file in /var/run which will exist this early and is
  writable only by root.
  
  Security:       Local risk if users can cause dhclient to run on demand
                  (such as by unplugging and replugging the network cable).
  
  Revision  Changes    Path
  1.14      +1 -1      src/sbin/dhclient/dhclient-script