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.\" Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
.\" (Royal Institute of Technology, Stockholm, Sweden).
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\"
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\"
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" 3. Neither the name of the Institute nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $Id$
.\"
.Dd April 14, 2005
.Dt KTUTIL 1
.Os HEIMDAL
.Sh NAME
.Nm ktutil
.Nd manage Kerberos keytabs
.Sh SYNOPSIS
.Nm
.Oo Fl k Ar keytab \*(Ba Xo
.Fl Fl keytab= Ns Ar keytab
.Xc
.Oc
.Op Fl v | Fl Fl verbose
.Op Fl Fl version
.Op Fl h | Fl Fl help
.Ar command
.Op Ar args
.Sh DESCRIPTION
.Nm
is a program for managing keytabs.
Supported options:
.Bl -tag -width Ds
.It Fl v , Fl Fl verbose
Verbose output.
.El
.Pp
.Ar command
can be one of the following:
.Bl -tag -width srvconvert
.It add Oo Fl p Ar principal Oc Oo Fl Fl principal= Ns Ar principal Oc \
Oo Fl V Ar kvno Oc Oo Fl Fl kvno= Ns Ar kvno Oc Oo Fl e Ar enctype Oc \
Oo Fl Fl enctype= Ns Ar enctype Oc Oo Fl w Ar password Oc \
Oo Fl Fl password= Ns Ar password Oc Oo Fl r Oc Oo Fl Fl random Oc \
Oo Fl s Oc Oo Fl Fl no-salt Oc Oo Fl H Oc Op Fl Fl hex
Adds a key to the keytab. Options that are not specified will be
prompted for. This requires that you know the password or the hex key of the
principal to add; if what you really want is to add a new principal to
the keytab, you should consider the
.Ar get
command, which talks to the kadmin server.
.It change Oo Fl r Ar realm Oc Oo Fl Fl realm= Ns Ar realm Oc \
Oo Fl Fl a Ar host Oc Oo Fl Fl admin-server= Ns Ar host Oc \
Oo Fl Fl s Ar port Oc Op Fl Fl server-port= Ns Ar port
Update one or several keys to new versions. By default, use the admin
server for the realm of a keytab entry. Otherwise it will use the
values specified by the options.
.Pp
If no principals are given, all the ones in the keytab are updated.
.It copy Ar keytab-src Ar keytab-dest
Copies all the entries from
.Ar keytab-src
to
.Ar keytab-dest .
.It get Oo Fl p Ar admin principal Oc \
Oo Fl Fl principal= Ns Ar admin principal Oc Oo Fl e Ar enctype Oc \
Oo Fl Fl enctypes= Ns Ar enctype Oc Oo Fl r Ar realm Oc \
Oo Fl Fl realm= Ns Ar realm Oc Oo Fl a Ar admin server Oc \
Oo Fl Fl admin-server= Ns Ar admin server Oc Oo Fl s Ar server port Oc \
Oo Fl Fl server-port= Ns Ar server port Oc Ar principal ...
For each
.Ar principal ,
generate a new key for it (creating it if it doesn't already exist),
and put that key in the keytab.
.Pp
If no
.Ar realm
is specified, the realm to operate on is taken from the first
principal.
.It list Oo Fl Fl keys Oc Op Fl Fl timestamp
List the keys stored in the keytab.
.It remove Oo Fl p Ar principal Oc Oo Fl Fl principal= Ns Ar principal Oc \
Oo Fl V kvno Oc Oo Fl Fl kvno= Ns Ar kvno Oc Oo Fl e enctype Oc \
Oo Fl Fl enctype= Ns Ar enctype Oc
Removes the specified key or keys. Not specifying a
.Ar kvno
removes keys with any version number. Not specifying an
.Ar enctype
removes keys of any type.
.It rename Ar from-principal Ar to-principal
Renames all entries in the keytab that match the
.Ar from-principal
to
.Ar to-principal .
.It purge Op Fl Fl age= Ns Ar age
Removes all old versions of a key for which there is a newer version
that is at least
.Ar age
(default one week) old.
.El
.Sh SEE ALSO
.Xr kadmin 1
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