[Bug 768171] Re: /sbin/dhclient3 remains after all dhcp3 packages purged

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** Changed in: isc-dhcp (Debian)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/768171

Title:
  /sbin/dhclient3 remains after all dhcp3 packages purged

Status in “ifupdown” package in Ubuntu:
  Confirmed
Status in “isc-dhcp” package in Ubuntu:
  Fix Committed
Status in “isc-dhcp” package in Debian:
  Fix Released

Bug description:
  After upgrading from maverick to natty, I purged all dhcp3 packages
  since they were replaced with version 4 packages:

  % aptitude search '?source-package(isc-dhcp)'
  p   dhcp3-client                                               - ISC DHCP server (transitional package)                               
  p   dhcp3-common                                               - ISC DHCP common files (transitional package)                         
  p   dhcp3-dev                                                  - ISC DHCP development files (transitional package)                    
  p   dhcp3-relay                                                - ISC DHCP relay (transitional package)                                
  p   dhcp3-server                                               - ISC DHCP server (transitional package)                               
  i A isc-dhcp-client                                            - ISC DHCP client                                                      
  p   isc-dhcp-client-dbg                                        - ISC DHCP client (debugging symbols)                                  
  i A isc-dhcp-common                                            - common files used by all the isc-dhcp* packages                      
  p   isc-dhcp-dev                                               - API for accessing and modifying the DHCP server and client state     
  p   isc-dhcp-relay                                             - ISC DHCP relay daemon                                                
  p   isc-dhcp-relay-dbg                                         - DHCP relay daemon (debugging symbols)                                
  i   isc-dhcp-server                                            - ISC DHCP server for automatic IP address assignment                  
  p   isc-dhcp-server-dbg                                        - ISC DHCP server for automatic IP address assignment (debug)          
  p   isc-dhcp-server-ldap                                       - DHCP server able to use LDAP as backend

  However, /sbin/dhclient3 still remains, owned by the isc-dhcp-client
  package:

  % dpkg-query --search /sbin/dhclient3
  isc-dhcp-client: /sbin/dhclient3

  % file /sbin/dhclient3
  /sbin/dhclient3: symbolic link to `dhclient'

  I think it is wrong that isc-dhcp-client version four is providing a
  dhclient3 file.

  It is a problem because ifupdown first checks for dhclient3 and runs
  that, using a lease directory option of /var/lib/dhcp3. This is a
  problem if you remove dhcp3 directories.

  Also, the Debian isc-dhcp-client package does not contain the
  /sbin/dhclient3 symlink. This bug may be relevant:
  http://bugs.debian.org/588203

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: isc-dhcp-client 4.1.1-P1-15ubuntu9
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic i686
  Architecture: i386
  Date: Thu Apr 21 01:52:00 2011
  DhclientLeases:
   
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=862f0e74-6fe8-40a8-aef1-ed3aaaab5154 ro
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/sh
  ProcVersionSignature_: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  SourcePackage: isc-dhcp
  UpgradeStatus: Upgraded to natty on 2011-04-16 (5 days ago)

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