[Bug 875854] Re: nfsv4 mounts with kerberos authentication fail to 10.04 LTS server

[Sergio Gelato]

I've backported the relevant patches to the versions of krb5 and nfs-
utils currently in lucid(-security). The krb5 one (upstream svn r24603)
applied cleanly, while nfs-utils required a bit more work but not much.
I'm attaching the latter; to see what I had to change, simply compare it
to the corresponding git commit.

My initial tests have been successful: the problem goes away as soon as
I update both packages.

** Patch added: "patch against nfs-utils 1.2.0-4ubuntu4.2"
   https://bugs.launchpad.net/ubuntu/lucid/+source/nfs-utils/+bug/875854/+attachment/3123540/+files/12-622146-limit-enctypes.patch

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https://bugs.launchpad.net/bugs/875854

Title:
  nfsv4 mounts with kerberos authentication fail to 10.04 LTS server

Status in “nfs-utils” package in Ubuntu:
  Fix Released
Status in “nfs-utils” source package in Lucid:
  Triaged
Status in “nfs-utils” package in Debian:
  Fix Released

Bug description:
  After upgrading an 11.04 client system to 11.10; kerberos authorised
  nfsv4 mounts to a 10.04 LTS server fail. In the servers syslog, the
  error message ERROR: prepare_krb5_rfc_cfx_buffer: not implemented
  appears.

  suspect this could be the same issue as :
  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=622146

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: nfs-common 1:1.2.4-1ubuntu2
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  Date: Sun Oct 16 18:10:34 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426)
  ProcEnviron:
   LANGUAGE=en_GB:en
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: nfs-utils
  UpgradeStatus: Upgraded to oneiric on 2011-10-15 (1 days ago)

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