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Top Forums Programming String Manipulation in a text file Post 302763943 by DGPickett on Wednesday 30th of January 2013 05:33:13 PM
Old 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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KIMPERSONATE(8) 					    BSD System Manager's Manual 					   KIMPERSONATE(8)

NAME
kimpersonate -- impersonate a user when there exist a srvtab, keyfile or KeyFile SYNOPSIS
kimpersonate [-s string | --server=string] [-c string | --client=string] [-k string | --keytab=string] [-5 | --krb5] [-e integer | --expire-time=integer] [-a string | --client-address=string] [-t string | --enc-type=string] [-f string | --ticket-flags=string] [--verbose] [--version] [--help] DESCRIPTION
The kimpersonate program creates a "fake" ticket using the service-key of the service. The service key can be read from a Kerberos 5 keytab, AFS KeyFile or (if compiled with support for Kerberos 4) a Kerberos 4 srvtab. Supported options: -s string, --server=string name of server principal -c string, --client=string name of client principal -k string, --keytab=string name of keytab file -5, --krb5 create a Kerberos 5 ticket -e integer, --expire-time=integer lifetime of ticket in seconds -a string, --client-address=string address of client -t string, --enc-type=string encryption type -f string, --ticket-flags=string ticket flags for krb5 ticket --verbose Verbose output --version Print version --help FILES
Uses /etc/krb5.keytab, /etc/srvtab and /usr/afs/etc/KeyFile when available and the -k option is used with an appropriate prefix. EXAMPLES
kimpersonate can be used in samba root preexec option or for debugging. kimpersonate -s host/hummel.e.kth.se@E.KTH.SE -c lha@E.KTH.SE -5 will create a Kerberos 5 ticket for lha@E.KTH.SE for the host hummel.e.kth.se if there exists a keytab entry for it in /etc/krb5.keytab. SEE ALSO
kinit(1), klist(1) AUTHORS
Love Hornquist Astrand <lha@kth.se> BSD
September 18, 2006 BSD
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