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add manpage for ipropd-master and ipropd-slave

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15094 ec53bebd-3082-4978-b11e-865c3cabbd6b
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Love Hörnquist Åstrand
2005-05-05 19:48:29 +00:00
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.\" $Id$
.\"
.\" Copyright (c) 2005 CLRC Daresbury Laboratory
.\" 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 Laboratory 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 LABORATORY 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 LABORATORY 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.
.Dd May 5, 2005
.Dt IPROP 8
.Os Heimdal
.Sh NAME
.Nm iprop ,
.Nm ipropd-master ,
.Nm ipropd-slave
.Nd
propagate changes to a Heimdal Kerberos master KDC to slave KDCs
.Sh SYNOPSIS
.Nm ipropd-master
.Oo Fl c Ar string \*(Ba Xo
.Fl -config-file= Ns Ar string
.Xc
.Oc
.Oo Fl r Ar string \*(Ba Xo
.Fl -realm= Ns Ar string
.Xc
.Oc
.Oo Fl k Ar kspec \*(Ba Xo
.Fl -keytab= Ns Ar kspec
.Xc
.Oc
.Oo Fl d Ar file \*(Ba Xo
.Fl -database= Ns Ar file
.Xc
.Oc
.Op Fl -slave-stats-file= Ns Ar file
.Op Fl -time-missing= Ns Ar time
.Op Fl -time-gone= Ns Ar time
.Op Fl -detach
.Op Fl -version
.Op Fl -help
.Nm ipropd-slave
.Oo Fl c Ar string \*(Ba Xo
.Fl -config-file= Ns Ar string
.Xc
.Oc
.Oo Fl r Ar string \*(Ba Xo
.Fl -realm= Ns Ar string
.Xc
.Oc
.Oo Fl k Ar kspec \*(Ba Xo
.Fl -keytab= Ns Ar kspec
.Xc
.Oc
.Op Fl -time-lost= Ns Ar time
.Op Fl -detach
.Op Fl -version
.Op Fl -help
.Ar master
.Pp
.Sh DESCRIPTION
.Nm ipropd-master
is used to propagate changes to a Heimdal Kerberos database from the
master Kerberos server on which it runs to slave Kerberos servers
running
.Nm ipropd-slave .
.Pp
The slaves are specified by the contents of the
.Pa slaves
file in the KDC's database directory, e.g.
.Pa /var/heimdal/slaves .
This has principals one per-line of the form
.Q1 /ipropd/slave@REALM
where slave is the hostname of the slave server in the given realm ,
e.g.
.Q1 iprop/kerberos-1.example.com@EXAMPLE.COM
On a slave the argument
.Fa master
specifies the hostname of the master server from which to receive updates.
.Pp
In contrast to
.Xr hprop 8 ,
which sends the whole database to the slaves regularly,
.Nm
normally sends only the changes as they happen on the master. The
master keeps track of all the changes by assigning a version number to
every change to the database. The slaves know which was the latest
version they saw, and in this way it can be determined if they are in
sync or not. A log of all the changes is kept on the master. When a
slave is at an older version than the oldest one in the log, the whole
database has to be sent.
.Pp
The changes are propagated over a secure channel (on port 2121 by
default). This should normally be defined as
.Dq iprop/tcp
In the
.Pa /etc/services
or another source of the services database. The master and slaves
must each have access to a keytab with keys for the
.Nm iprop
service principal on the local host.
.Pp
There is a keep-alive feature logged in the master's
.Pa slave-stats
file (e.g.
.Pa /var/heimdal/slave-stats ) .
.Sh DESCRIPTION
Supported options for
.Nm ipropd-master :
.Bl -tag -width Ds
.It Xo
.Fl c Ar string ,
.Fl -config-file= Ns Ar string
.Xc
.It Xo
.Fl r Ar string ,
.Fl -realm= Ns Ar string
.Xc
.It Xo
.Fl k Ar kspec ,
.Fl -keytab= Ns Ar kspec
.Xc
keytab to get authentication from
.It Xo
.Fl d Ar file ,
.Fl -database= Ns Ar file
.Xc
database
.It Xo
.Fl -slave-stats-file= Ns Ar file
.Xc
file for slave status information
.It Xo
.Fl -time-missing= Ns Ar time
.Xc
time before slave is polled for presence
.It Xo
.Fl -time-gone= Ns Ar time
.Xc
time of inactivity after which a slave is considered gone
.It Xo
.Fl -detach
.Xc
detach from console
.It Xo
.Fl -version
.Xc
.It Xo
.Fl -help
.Xc
.El
.Pp
Supported options for
.Nm ipropd-slave :
.Bl -tag -width Ds
.It Xo
.Fl c Ar string ,
.Fl -config-file= Ns Ar string
.Xc
.It Xo
.Fl r Ar string ,
.Fl -realm= Ns Ar string
.Xc
.It Xo
.Fl k Ar kspec ,
.Fl -keytab= Ns Ar kspec
.Xc
keytab to get authentication from
.It Xo
.Fl -time-lost= Ns Ar time
.Xc
time before server is considered lost
.It Xo
.Fl -detach
.Xc
detach from console
.It Xo
.Fl -version
.Xc
.It Xo
.Fl -help
.Xc
.El
Time arguments for the relevant options above may be specified in forms
like 5 min, 300 s or simply a number of seconds.
.Sh FILES
.Pa slaves ,
.Pa slave-stats
in the database directory.
.Sh AUTHORS
Assar Westerlund wrote the programs for Heimdal (maintenance address
.BR <heimdal-bugs@pdc.kth.se> ).
.Pp
Dave Love
.B <fx@gnu.org>
wrote this man page.
.Sh SEE ALSO
.Xr hpropd 8 ,
.Xr hprop 8 ,
.Xr krb5.conf 8 ,
.Xr kdc 8 .