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.\"
.\" This source code is no longer held under any constraint of USA
.\" `cryptographic laws' since it was exported legally. The cryptographic
.\" functions were removed from the code and a "Bones" distribution was
.\" made. A Commodity Jurisdiction Request #012-94 was filed with the
.\" USA State Department, who handed it to the Commerce department. The
.\" code was determined to fall under General License GTDA under ECCN 5D96G,
.\" and hence exportable. The cryptographic interfaces were re-added by Eric
.\" Young, and then KTH proceeded to maintain the code in the free world.
.\"
.\"Copyright (C) 1989 by the Massachusetts Institute of Technology
.\"
.\"Export of this software from the United States of America is assumed
.\"to require a specific license from the United States Government.
.\"It is the responsibility of any person or organization contemplating
.\"export to obtain such a license before exporting.
.\"
.\"WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
.\"distribute this software and its documentation for any purpose and
.\"without fee is hereby granted, provided that the above copyright
.\"notice appear in all copies and that both that copyright notice and
.\"this permission notice appear in supporting documentation, and that
.\"the name of M.I.T. not be used in advertising or publicity pertaining
.\"to distribution of the software without specific, written prior
.\"permission. M.I.T. makes no representations about the suitability of
.\"this software for any purpose. It is provided "as is" without express
.\"or implied warranty.
.\"
.\" $OpenBSD: ext_srvtab.8,v 1.4 1998/02/25 15:50:31 art Exp $
.TH EXT_SRVTAB 8 "Kerberos Version 4.0" "MIT Project Athena"
.SH NAME
ext_srvtab \- extract service key files from Kerberos key distribution center database
.SH SYNOPSIS
ext_srvtab [
.B \-n
] [
.B \-r realm
] [
.B hostname ...
]
.SH DESCRIPTION
.I ext_srvtab
extracts service key files from the Kerberos key distribution center
(KDC) database.
.PP
Upon execution, it prompts the user to enter the master key string for
the database. If the
.B \-n
option is specified, the master key is instead fetched from the master
key cache file.
.PP
For each
.I hostname
specified on the command line,
.I ext_srvtab
creates the service key file
.IR hostname -new-srvtab,
containing all the entries in the database with an instance field of
.I hostname.
This new file contains all the keys registered for Kerberos-mediated
service providing programs which use the
.IR krb_get_phost (3)
principal and instance conventions to run on the host
.IR hostname .
If the
.B \-r
option is specified, the realm fields in the extracted file will
match the given realm rather than the local realm.
.SH DIAGNOSTICS
.TP 20n
"verify_master_key: Invalid master key, does not match database."
The master key string entered was incorrect.
.SH FILES
.TP 20n
.IR hostname -new-srvtab
Service key file generated for
.I hostname
.TP
/etc/kerberosIV/principal.pag, /etc/kerberosIV/principal.dir
DBM files containing database
.TP
/etc/kerberosIV/master_key
Master key cache file.
.SH SEE ALSO
read_service_key(3), krb_get_phost(3)
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