01-30-2013
Well, you need to avoid n^2 slowness, scanning the entire file for every ticket id, so why not use sed to prefix each line with ticket id and time, sort, and process serially. This is very old school sort of processing, but robust. Really, you can reduce each line to three fields: id, time, stage?
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KLIST(1) BSD General Commands Manual KLIST(1)
NAME
klist -- list Kerberos credentials
SYNOPSIS
klist [-c cache | --cache=cache] [-s | -t | --test] [-T | --tokens] [-5 | --v5] [-v | --verbose] [-l | --list-caches] [-f] [--version]
[--help]
DESCRIPTION
klist reads and displays the current tickets in the credential cache (also known as the ticket file).
Options supported:
-c cache, --cache=cache
credential cache to list
-s, -t, --test
Test for there being an active and valid TGT for the local realm of the user in the credential cache.
-T, --tokens
display AFS tokens
-5, --v5
display v5 cred cache (this is the default)
-f Include ticket flags in short form, each character stands for a specific flag, as follows:
F forwardable
f forwarded
P proxiable
p proxied
D postdate-able
d postdated
R renewable
I initial
i invalid
A pre-authenticated
H hardware authenticated
This information is also output with the --verbose option, but in a more verbose way.
-v, --verbose
Verbose output. Include all possible information:
Server
the principal the ticket is for
Ticket etype
the encryption type used in the ticket, followed by the key version of the ticket, if it is available
Session key
the encryption type of the session key, if it's different from the encryption type of the ticket
Auth time
the time the authentication exchange took place
Start time
the time that this ticket is valid from (only printed if it's different from the auth time)
End time
when the ticket expires, if it has already expired this is also noted
Renew till
the maximum possible end time of any ticket derived from this one
Ticket flags
the flags set on the ticket
Addresses
the set of addresses from which this ticket is valid
-l, --list-caches
List the credential caches for the current users, not all cache types supports listing multiple caches.
SEE ALSO
kdestroy(1), kinit(1)
HEIMDAL
October 6, 2005 HEIMDAL