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[Steve Beattie <sbeattie@xxxxxxxxxx>]

dhcp3 was superceded by isc-dhcp between lucid and precise and therefore
is not available under any supported ubuntu release. Marking the task
dhcp3 as "Won't Fix".

** Changed in: dhcp3 (Ubuntu)
       Status: Confirmed => Won't Fix

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https://bugs.launchpad.net/bugs/727837

Title:
  dhcp3-server fails to drop privileges properly

Status in dhcp3 package in Ubuntu:
  Won't Fix
Status in isc-dhcp package in Ubuntu:
  Fix Released
Status in dhcp3 source package in Lucid:
  Won't Fix
Status in isc-dhcp source package in Natty:
  Won't Fix
Status in isc-dhcp source package in Oneiric:
  Won't Fix
Status in isc-dhcp source package in Precise:
  Fix Released
Status in isc-dhcp source package in Quantal:
  Fix Released
Status in dhcp3 source package in Hardy:
  Won't Fix

Bug description:
  Binary package hint: dhcp3-server

  In debian/patches/droppriv.dpatch there is some privilege dropping
  code in function drop_privileges(). This fails to drop privileges of
  root-group and does not initialize the groups properly.

  One can test this by adding:

  on commit {
    execute("/usr/local/bin/dhcp_group_test");
  }

  to /etc/dhcp3/dhcpd.conf, and then write
  /usr/local/bin/dhcp_group_test to log the output of "id" to some file.
  (You may wish to turn apparmor off for this test, but it can be done
  with it as well). The output should read:

  uid=112(dhcpd) gid=120(dhcpd) groups=0(root)

  This means that dhcp will retain the root-group privileges and is
  missing other groups that a user may have possibly defined for it.

  The fix would be to use either initgroups() or setgroups() function
  properly in drop_privileges(). Doing this should also fix this bug:
  https://bugs.launchpad.net/ubuntu/+source/dhcp3/+bug/341817

  This is:

  Description:	Ubuntu 10.04.1 LTS
  Release:	10.04

  dhcp3-server:
    Installed: 3.1.3-2ubuntu3
    Candidate: 3.1.3-2ubuntu3
    Version table:
   *** 3.1.3-2ubuntu3 0
          500 http://mirror.opinsys.fi/ubuntu/ lucid/main Packages
          100 /var/lib/dpkg/status

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