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[Bug 2012140] [NEW] The documented DEFCCNAME is not the actual credential cache name

 

Public bug reported:

The krb5 documentation says that DEFCCNAME is /tmp/krb5cc_%{uid}.  But
actual credential cache file names look like:
/tmp/krb5cc_127408622_wH2NwY

Setting [libdefaults] default_ccache_name to krb5cc_%{uid} in
/etc/krb5.conf produces the expected credential cache file.

Unless you know this, using "mutiuser" in fstab with cifs/samba/smb
mounts is nigh impossible.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: krb5-user 1.19.2-2ubuntu0.1
ProcVersionSignature: Ubuntu 5.15.0-67.74-generic 5.15.85
Uname: Linux 5.15.0-67-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.3
Architecture: amd64
CasperMD5CheckResult: pass
Date: Sat Mar 18 17:33:32 2023
InstallationDate: Installed on 2023-03-09 (9 days ago)
InstallationMedia: Ubuntu-Server 22.04.2 LTS "Jammy Jellyfish" - Release amd64 (20230217.1)
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_US.UTF-8
 TERM=xterm-256color
 PATH=(custom, no user)
SourcePackage: krb5
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: krb5 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug cifs.upcall jammy krb5 multiuser uec-images

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https://bugs.launchpad.net/bugs/2012140

Title:
  The documented DEFCCNAME is not the actual credential cache name

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