Kerberos for Windows 2.6.5 ccname FILE: issues

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Kerberos for Windows 2.6.5 ccname FILE: issues

Noah Hughes
I have found these problems when running Kerberos for Windows 2.6.5:

When I use the environment variable %KRB5CCNAME% and set it to
"FILE:c:\temp\krbcache" without the quotes it works fine.  Leash is
able to create and renew, but uses 100% CPU time when I try to destroy
the ticket.

Also kdestoy.exe does not destroy the ticket and also fails giving an
error message

"kdestroy: No credentials cache found while destroying cache"

When I use the registry key
"HKEY_LOCAL_MACHINE\SOFTWARE\MIT\kerberos5,cnname" to
"FILE:c:\temp\krbcache"

Again Leash is able to create and renew, but it uses 100% CPU when you
try to destroy the ticket.  However, kdestroy is able to destory the
ticket using this method.

Is there any way to get Leash to destory this ticket when using the
FILE:c:\temp\krbcache?

Thanks

Noah Hughes

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Re: Kerberos for Windows 2.6.5 ccname FILE: issues

Jeffrey Altman-3
Noah:

Can you provide any additional information that might be used to
replicate the problem?

I'm using Windows XP SP2:

[C:\src\openafs\openafs-cvs\src\WINNT\afsd]set
KRB5CCNAME=FILE:c:\temp\krbcache

[C:\src\openafs\openafs-cvs\src\WINNT\afsd]kinit [hidden email]
Password for [hidden email]:

[C:\src\openafs\openafs-cvs\src\WINNT\afsd]kvno
afs/[hidden email]
afs/[hidden email]: kvno = 3

[C:\src\openafs\openafs-cvs\src\WINNT\afsd]klist
Ticket cache: FILE:c:\temp\krbcache
Default principal: [hidden email]

Valid starting     Expires            Service principal
07/15/05 17:42:38  07/16/05 03:42:39  krbtgt/[hidden email]
07/15/05 17:42:55  07/16/05 03:42:39  afs/[hidden email]


Kerberos 4 ticket cache: API:krb4cc
Principal: [hidden email]

  Issued              Expires             Principal
07/15/05 17:37:39  07/16/05 03:42:39  [hidden email]

[C:\src\openafs\openafs-cvs\src\WINNT\afsd]kdestroy

[C:\src\openafs\openafs-cvs\src\WINNT\afsd]klist
klist.exe: No credentials cache found (ticket cache FILE:c:\temp\krbcache)


Kerberos 4 ticket cache: API:krb4cc
klist.exe: No ticket file (tf_util)

Jeffrey Altman


Noah Hughes wrote:

> I have found these problems when running Kerberos for Windows 2.6.5:
>
> When I use the environment variable %KRB5CCNAME% and set it to
> "FILE:c:\temp\krbcache" without the quotes it works fine.  Leash is
> able to create and renew, but uses 100% CPU time when I try to destroy
> the ticket.
>
> Also kdestoy.exe does not destroy the ticket and also fails giving an
> error message
>
> "kdestroy: No credentials cache found while destroying cache"
>
> When I use the registry key
> "HKEY_LOCAL_MACHINE\SOFTWARE\MIT\kerberos5,cnname" to
> "FILE:c:\temp\krbcache"
>
> Again Leash is able to create and renew, but it uses 100% CPU when you
> try to destroy the ticket.  However, kdestroy is able to destory the
> ticket using this method.
>
> Is there any way to get Leash to destory this ticket when using the
> FILE:c:\temp\krbcache?
>
> Thanks
>
> Noah Hughes
>
> ________________________________________________
> Kerberos mailing list           [hidden email]
> https://mailman.mit.edu/mailman/listinfo/kerberos
>

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