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141 lines
4.0 KiB
Groff
141 lines
4.0 KiB
Groff
.\" $Id: kadmin.8,v 1.6 1998/12/18 16:56:29 assar Exp $
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.\" Copyright 1989 by the Massachusetts Institute of Technology.
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.\"
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.\" For copying and distribution information,
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.\" please see the file <mit-copyright.h>.
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.\"
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.Dd February 3, 1998
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.Dt KADMIN 8
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.Os "KTH-KRB"
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.Sh NAME
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.Nm kadmin
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.Nd
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network utility for Kerberos database administration
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.Sh SYNOPSIS
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.Nm
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.Op Fl p Ar principal
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.Op Fl u Ar username
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.Op Fl r Ar realm
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.Op Fl m
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.Op Fl T Ar timeout
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.Op Fl t
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.Op Fl -version
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.Op Fl h
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.Op Fl -help
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.Ar [command]
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.Sh DESCRIPTION
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This utility provides a unified administration interface to the
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Kerberos master database. Kerberos administrators use
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.Nm
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to register new users and services to the master database, and to
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change information about existing database entries, such as changing a
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user's Kerberos password. A Kerberos administrator is a user with an
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.Dq admin
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instance whose name appears on one of the Kerberos administration
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access control lists.
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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 principal
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This is the adminstrator principal to use when talking to the Kadmin
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server. The default is taken from the users environment.
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.It Fl r Ar realm
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This is the default realm to use for transactions. Default is the
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local realm.
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.It Fl u Ar username
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This is similar to
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.Fl p ,
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but specifies a name, that gets appended with a
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.Dq admin
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instance.
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.It Fl T Ar timeout
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To prevent someone from walking up to an unguarded terminal and doing
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malicious things, administrator tickets are destroyed after a period
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of inactivity. This flag changes the timeout from the default of one
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minute. A timeout of zero seconds disables this functionality.
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.It Fl m
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Historically
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.Nm
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destroyed tickets after every command; this flag used to stop this
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behaviour (only destroying tickets upon exit). Now it's just a synonym
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for
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.Fl T Ar 0 .
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.It Fl t
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Use existing tickets (if any are available), this also disbles
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timeout, and doesn't destroy any tickets upon exit.
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These tickets have to be for the changepw.kerberos service. Use
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.Nm kinit -p
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to acquire them.
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.El
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.Pp
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The
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.Nm
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program communicates over the network with the
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.Nm kadmind
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program, which runs on the machine housing the Kerberos master
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database, and does the actual modifications to the database.
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.Pp
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When you enter the
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.Nm
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command, the program displays a message that welcomes you and explains
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how to ask for help. Then
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.Nm
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waits for you to enter commands (which are described below). It then
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asks you for your administrator's password before accessing the
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database.
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.Pp
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All commands can be abbreviated as long as they are unique. Some
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short versions of the commands are also recognized for backwards
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compatibility.
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.Pp
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Recognised commands:
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.Bl -tag -width Ds
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.It add_new_key Ar principal
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Creates a new principal in the Kerberos database. You give the name of
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the new principal as an argument. You will then be asked for a maximum
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ticket lifetime, attributes, the expiration date of the principal, and
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finally the password of the principal.
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.It change_password Ar principal
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Changes a principal's password. You will be prompted for the new
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password.
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.It change_key Ar principal
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This is the same as change_password, but the password is given as a
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raw DES key (for the few occations when you need this).
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.It change_admin_password
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Changes your own admin password. It will prompt you for you old and
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new passwords.
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.It del_entry Ar principal
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Removes principal from the database.
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.It get_entry Ar principal
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Show various information for the given principal. Note that the key is
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shown as zeros.
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.It mod_entry Ar principal
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Modifies a particular entry, for instance to change the expiration
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date.
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.It destroy_tickets
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Destroys your admin tickets explicitly.
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.It quit
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Obvious.
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.El
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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 kerberos 1 ,
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.Xr kadmind 8 ,
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.Xr kpasswd 1 ,
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.Xr kinit 1 ,
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.Xr ksrvutil 8
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.\".Sh STANDARDS
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.\".Sh HISTORY
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.Sh AUTHORS
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Jeffrey I. Schiller, MIT Project Athena
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.Pp
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Emanuel Jay Berkenbilt, MIT Project Athena
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.Sh BUGS
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The user interface is primitive, and the command names could be
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better.
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