ae77177087
several new kerberos related libraries and applications to FreeBSD:
o kgetcred(1) allows one to manually get a ticket for a particular service.
o kf(1) securily forwards ticket to another host through an authenticated
and encrypted stream.
o kcc(1) is an umbrella program around klist(1), kswitch(1), kgetcred(1)
and other user kerberos operations. klist and kswitch are just symlinks
to kcc(1) now.
o kswitch(1) allows you to easily switch between kerberos credentials if
you're running KCM.
o hxtool(1) is a certificate management tool to use with PKINIT.
o string2key(1) maps a password into key.
o kdigest(8) is a userland tool to access the KDC's digest interface.
o kimpersonate(8) creates a "fake" ticket for a service.
We also now install manpages for some lirbaries that were not installed
before, libheimntlm and libhx509.
- The new HEIMDAL version no longer supports Kerberos 4. All users are
recommended to switch to Kerberos 5.
- Weak ciphers are now disabled by default. To enable DES support (used
by telnet(8)), use "allow_weak_crypto" option in krb5.conf.
- libtelnet, pam_ksu and pam_krb5 are now compiled with error on warnings
disabled due to the function they use (krb5_get_err_text(3)) being
deprecated. I plan to work on this next.
- Heimdal's KDC now require sqlite to operate. We use the bundled version
and install it as libheimsqlite. If some other FreeBSD components will
require it in the future we can rename it to libbsdsqlite and use for these
components as well.
- This is not a latest Heimdal version, the new one was released while I was
working on the update. I will update it to 1.5.2 soon, as it fixes some
important bugs and security issues.
348 lines
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348 lines
9.1 KiB
Groff
.\" Copyright (c) 2000 - 2007 Kungliga Tekniska Högskolan
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.\" (Royal Institute of Technology, Stockholm, Sweden).
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\"
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\"
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" 3. Neither the name of the Institute nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id$
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.\"
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.Dd Feb 22, 2007
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.Dt KADMIN 8
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.Os HEIMDAL
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.Sh NAME
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.Nm kadmin
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.Nd Kerberos administration utility
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.Sh SYNOPSIS
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.Nm
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.Bk -words
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.Op Fl p Ar string \*(Ba Fl Fl principal= Ns Ar string
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.Op Fl K Ar string \*(Ba Fl Fl keytab= Ns Ar string
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.Op Fl c Ar file \*(Ba Fl Fl config-file= Ns Ar file
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.Op Fl k Ar file \*(Ba Fl Fl key-file= Ns Ar file
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.Op Fl r Ar realm \*(Ba Fl Fl realm= Ns Ar realm
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.Op Fl a Ar host \*(Ba Fl Fl admin-server= Ns Ar host
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.Op Fl s Ar port number \*(Ba Fl Fl server-port= Ns Ar port number
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.Op Fl l | Fl Fl local
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.Op Fl h | Fl Fl help
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.Op Fl v | Fl Fl version
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.Op Ar command
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.Ek
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.Sh DESCRIPTION
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The
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.Nm
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program is used to make modifications to the Kerberos database, either remotely via the
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.Xr kadmind 8
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daemon, or locally (with the
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.Fl l
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option).
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.Pp
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Supported options:
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.Bl -tag -width Ds
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.It Fl p Ar string , Fl Fl principal= Ns Ar string
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principal to authenticate as
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.It Fl K Ar string , Fl Fl keytab= Ns Ar string
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keytab for authentication principal
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.It Fl c Ar file , Fl Fl config-file= Ns Ar file
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location of config file
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.It Fl k Ar file , Fl Fl key-file= Ns Ar file
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location of master key file
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.It Fl r Ar realm , Fl Fl realm= Ns Ar realm
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realm to use
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.It Fl a Ar host , Fl Fl admin-server= Ns Ar host
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server to contact
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.It Fl s Ar port number , Fl Fl server-port= Ns Ar port number
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port to use
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.It Fl l , Fl Fl local
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local admin mode
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.El
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.Pp
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If no
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.Ar command
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is given on the command line,
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.Nm
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will prompt for commands to process. Some of the commands that take
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one or more principals as argument
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.Ns ( Nm delete ,
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.Nm ext_keytab ,
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.Nm get ,
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.Nm modify ,
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and
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.Nm passwd )
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will accept a glob style wildcard, and perform the operation on all
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matching principals.
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.Pp
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Commands include:
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.\" not using a list here, since groff apparently gets confused
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.\" with nested Xo/Xc
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.Pp
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.Nm add
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.Op Fl r | Fl Fl random-key
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.Op Fl Fl random-password
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.Op Fl p Ar string \*(Ba Fl Fl password= Ns Ar string
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.Op Fl Fl key= Ns Ar string
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.Op Fl Fl max-ticket-life= Ns Ar lifetime
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.Op Fl Fl max-renewable-life= Ns Ar lifetime
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.Op Fl Fl attributes= Ns Ar attributes
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.Op Fl Fl expiration-time= Ns Ar time
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.Op Fl Fl pw-expiration-time= Ns Ar time
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.Ar principal...
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.Bd -ragged -offset indent
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Adds a new principal to the database. The options not passed on the
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command line will be promped for.
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.Ed
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.Pp
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.Nm add_enctype
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.Op Fl r | Fl Fl random-key
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.Ar principal enctypes...
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.Pp
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.Bd -ragged -offset indent
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Adds a new encryption type to the principal, only random key are
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supported.
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.Ed
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.Pp
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.Nm delete
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.Ar principal...
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.Bd -ragged -offset indent
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Removes a principal.
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.Ed
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.Pp
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.Nm del_enctype
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.Ar principal enctypes...
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.Bd -ragged -offset indent
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Removes some enctypes from a principal; this can be useful if the
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service belonging to the principal is known to not handle certain
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enctypes.
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.Ed
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.Pp
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.Nm ext_keytab
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.Oo Fl k Ar string \*(Ba Xo
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.Fl Fl keytab= Ns Ar string
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.Xc
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.Oc
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.Ar principal...
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.Bd -ragged -offset indent
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Creates a keytab with the keys of the specified principals.
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.Ed
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.Pp
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.Nm get
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.Op Fl l | Fl Fl long
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.Op Fl s | Fl Fl short
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.Op Fl t | Fl Fl terse
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.Op Fl o Ar string | Fl Fl column-info= Ns Ar string
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.Ar principal...
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.Bd -ragged -offset indent
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Lists the matching principals, short prints the result as a table,
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while long format produces a more verbose output. Which columns to
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print can be selected with the
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.Fl o
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option. The argument is a comma separated list of column names
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optionally appended with an equal sign
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.Pq Sq =
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and a column header. Which columns are printed by default differ
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slightly between short and long output.
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.Pp
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The default terse output format is similar to
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.Fl s o Ar principal= ,
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just printing the names of matched principals.
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.Pp
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Possible column names include:
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.Li principal ,
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.Li princ_expire_time ,
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.Li pw_expiration ,
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.Li last_pwd_change ,
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.Li max_life ,
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.Li max_rlife ,
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.Li mod_time ,
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.Li mod_name ,
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.Li attributes ,
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.Li kvno ,
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.Li mkvno ,
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.Li last_success ,
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.Li last_failed ,
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.Li fail_auth_count ,
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.Li policy ,
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and
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.Li keytypes .
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.Ed
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.Pp
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.Nm modify
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.Oo Fl a Ar attributes \*(Ba Xo
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.Fl Fl attributes= Ns Ar attributes
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.Xc
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.Oc
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.Op Fl Fl max-ticket-life= Ns Ar lifetime
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.Op Fl Fl max-renewable-life= Ns Ar lifetime
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.Op Fl Fl expiration-time= Ns Ar time
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.Op Fl Fl pw-expiration-time= Ns Ar time
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.Op Fl Fl kvno= Ns Ar number
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.Ar principal...
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.Bd -ragged -offset indent
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Modifies certain attributes of a principal. If run without command
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line options, you will be prompted. With command line options, it will
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only change the ones specified.
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.Pp
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Possible attributes are:
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.Li new-princ ,
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.Li support-desmd5 ,
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.Li pwchange-service ,
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.Li disallow-svr ,
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.Li requires-pw-change ,
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.Li requires-hw-auth ,
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.Li requires-pre-auth ,
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.Li disallow-all-tix ,
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.Li disallow-dup-skey ,
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.Li disallow-proxiable ,
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.Li disallow-renewable ,
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.Li disallow-tgt-based ,
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.Li disallow-forwardable ,
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.Li disallow-postdated
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.Pp
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Attributes may be negated with a "-", e.g.,
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.Pp
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kadmin -l modify -a -disallow-proxiable user
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.Ed
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.Pp
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.Nm passwd
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.Op Fl r | Fl Fl random-key
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.Op Fl Fl random-password
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.Oo Fl p Ar string \*(Ba Xo
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.Fl Fl password= Ns Ar string
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.Xc
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.Oc
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.Op Fl Fl key= Ns Ar string
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.Ar principal...
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.Bd -ragged -offset indent
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Changes the password of an existing principal.
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.Ed
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.Pp
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.Nm password-quality
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.Ar principal
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.Ar password
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.Bd -ragged -offset indent
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Run the password quality check function locally.
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You can run this on the host that is configured to run the kadmind
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process to verify that your configuration file is correct.
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The verification is done locally, if kadmin is run in remote mode,
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no rpc call is done to the server.
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.Ed
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.Pp
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.Nm privileges
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.Bd -ragged -offset indent
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Lists the operations you are allowed to perform. These include
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.Li add ,
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.Li add_enctype ,
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.Li change-password ,
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.Li delete ,
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.Li del_enctype ,
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.Li get ,
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.Li list ,
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and
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.Li modify .
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.Ed
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.Pp
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.Nm rename
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.Ar from to
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.Bd -ragged -offset indent
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Renames a principal. This is normally transparent, but since keys are
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salted with the principal name, they will have a non-standard salt,
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and clients which are unable to cope with this will fail. Kerberos 4
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suffers from this.
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.Ed
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.Pp
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.Nm check
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.Op Ar realm
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.Pp
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.Bd -ragged -offset indent
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Check database for strange configurations on important principals. If
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no realm is given, the default realm is used.
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.Ed
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.Pp
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When running in local mode, the following commands can also be used:
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.Pp
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.Nm dump
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.Op Fl d | Fl Fl decrypt
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.Op Ar dump-file
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.Bd -ragged -offset indent
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Writes the database in
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.Dq human readable
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form to the specified file, or standard out. If the database is
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encrypted, the dump will also have encrypted keys, unless
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.Fl Fl decrypt
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is used.
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.Ed
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.Pp
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.Nm init
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.Op Fl Fl realm-max-ticket-life= Ns Ar string
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.Op Fl Fl realm-max-renewable-life= Ns Ar string
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.Ar realm
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.Bd -ragged -offset indent
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Initializes the Kerberos database with entries for a new realm. It's
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possible to have more than one realm served by one server.
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.Ed
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.Pp
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.Nm load
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.Ar file
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.Bd -ragged -offset indent
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Reads a previously dumped database, and re-creates that database from
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scratch.
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.Ed
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.Pp
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.Nm merge
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.Ar file
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.Bd -ragged -offset indent
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Similar to
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.Nm load
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but just modifies the database with the entries in the dump file.
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.Ed
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.Pp
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.Nm stash
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.Oo Fl e Ar enctype \*(Ba Xo
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.Fl Fl enctype= Ns Ar enctype
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.Xc
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.Oc
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.Oo Fl k Ar keyfile \*(Ba Xo
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.Fl Fl key-file= Ns Ar keyfile
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.Xc
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.Oc
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.Op Fl Fl convert-file
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.Op Fl Fl master-key-fd= Ns Ar fd
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.Bd -ragged -offset indent
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Writes the Kerberos master key to a file used by the KDC.
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.Ed
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.\".Sh ENVIRONMENT
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.\".Sh FILES
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.\".Sh EXAMPLES
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.\".Sh DIAGNOSTICS
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.Sh SEE ALSO
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.Xr kadmind 8 ,
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.Xr kdc 8
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.\".Sh STANDARDS
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.\".Sh HISTORY
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.\".Sh AUTHORS
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.\".Sh BUGS
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