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Viewing changes to mandos-clients.conf.xml

Committer: Teddy Hogeborn
Date: 2008-08-27 01:18:25 UTC
Revision ID: teddy@fukt.bsnet.se-20080827011825-ka3ni6xvy2ehi1y8

* .bzrignore: New.

* clients.conf ([foo]): Remove Radix-64 checksum.

* mandos (AvahiService.rename, server_state_changed,
          entry_group_state_changed): Make Avahi log messages more
                                      clear that they are about
                                      Zeroconf.
  (fingerprint): Use plain "0" instead of "ctypes.c_uint(0)".

files added:
.bzrignore

COPYING

initramfs-tools-hook

initramfs-tools-hook-conf

initramfs-tools-script

mandos-clients.conf.xml

mandos-keygen

mandos-keygen.xml

mandos-options.xml

mandos.conf

mandos.conf.xml

mandos.xml

overview.xml

plugin-runner.xml

plugins.d/password-prompt.xml

plugins.d/password-request.xml

plugins.d/usplash

files removed:
ca.pem

cert.pem

client-cert.pem

client-key.pem

crl.pem

key.pem

plugins.d/Makefile

files renamed:
mandos-clients.conf => clients.conf

server.py => mandos

plugbasedclient.c => plugin-runner.c

plugins.d/passprompt.c => plugins.d/password-prompt.c

plugins.d/mandosclient.c => plugins.d/password-request.c

files modified:
Makefile

TODO

Show diffs side-by-side

added added

removed removed

mandos-clients.conf.xml

<?xml version='1.0' encoding='UTF-8'?>

<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"

"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [

<!ENTITY VERSION "1.0">

<!ENTITY CONFNAME "mandos-clients.conf">

<!ENTITY CONFPATH "<filename>/etc/mandos/clients.conf</filename>">

<title>&CONFNAME;</title>

<productname>&CONFNAME;</productname>

<productnumber>&VERSION;</productnumber>

<firstname>Björn</firstname>

<surname>Påhlsson</surname>

<email>belorn@fukt.bsnet.se</email>

</address>

</author>

<firstname>Teddy</firstname>

<surname>Hogeborn</surname>

<email>teddy@fukt.bsnet.se</email>

</address>

</author>

</authorgroup>

<holder>Teddy Hogeborn</holder>

<holder>Björn Påhlsson</holder>

</copyright>

<para>

This manual page is free software: you can redistribute it

and/or modify it under the terms of the GNU General Public

License as published by the Free Software Foundation,

either version 3 of the License, or (at your option) any

later version.

</para>

<para>

This manual page is distributed in the hope that it will

be useful, but WITHOUT ANY WARRANTY; without even the

implied warranty of MERCHANTABILITY or FITNESS FOR A

PARTICULAR PURPOSE. See the GNU General Public License

for more details.

</para>

<para>

You should have received a copy of the GNU General Public

License along with this program; If not, see

<ulink url="http://www.gnu.org/licenses/"/>.

</para>

</legalnotice>

</refentryinfo>

<refentrytitle>&CONFNAME;</refentrytitle>

</refmeta>

<refname><filename>&CONFNAME;</filename></refname>

Configuration file for the Mandos server

</refpurpose>

</refnamediv>

&CONFPATH;

</synopsis>

</refsynopsisdiv>

<title>DESCRIPTION</title>

<para>

The file &CONFPATH; is a configuration file for <citerefentry

><refentrytitle>mandos</refentrytitle>

<manvolnum>8</manvolnum></citerefentry>, read by it at startup.

The file needs to list all clients that should be able to use

the service. All clients listed will be regarded as valid, even

if a client was declared invalid in a previous run of the

server.

</para>

<para>

The format starts with a <literal>[<replaceable>section

header</replaceable>]</literal> which is either

<literal>[DEFAULT]</literal> or <literal>[<replaceable>client

name</replaceable>]</literal>. The <replaceable>client

name</replaceable> can be anything, and is not tied to a host

name. Following the section header is any number of

<quote><varname><replaceable>option</replaceable

></varname>=<replaceable>value</replaceable></quote> entries,

with continuations in the style of RFC 822. <quote><varname

100

><replaceable>option</replaceable></varname>: <replaceable

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>value</replaceable></quote> is also accepted. Note that

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leading whitespace is removed from values. Values can contain

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format strings which refer to other values in the same section,

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or values in the <quote>DEFAULT</quote> section (see <xref

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linkend="expansion"/>). Lines beginning with <quote>#</quote>

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or <quote>;</quote> are ignored and may be used to provide

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comments.

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</para>

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</refsect1>

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<title>OPTIONS</title>

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<para>

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<emphasis>Note:</emphasis> all option values are subject to

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start time expansion, see <xref linkend="expansion"/>.

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</para>

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<para>

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Uknown options are ignored. The used options are as follows:

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</para>

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<term><literal><varname>timeout</varname></literal></term>

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<synopsis><literal>timeout = </literal><replaceable

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>TIME</replaceable>

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</synopsis>

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<para>

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The timeout is how long the server will wait for a

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successful checker run until a client is considered

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invalid - that is, ineligible to get the data this server

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holds. By default Mandos will use 1 hour.

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</para>

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<para>

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The <replaceable>TIME</replaceable> is specified as a

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space-separated number of values, each of which is a

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number and a one-character suffix. The suffix must be one

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of <quote>d</quote>, <quote>s</quote>, <quote>m</quote>,

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<quote>h</quote>, and <quote>w</quote> for days, seconds,

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minutes, hours, and weeks, respectively. The values are

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added together to give the total time value, so all of

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<quote><literal>330s</literal></quote>,

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<quote><literal>110s 110s 110s</literal></quote>, and

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<quote><literal>5m 30s</literal></quote> will give a value

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of five minutes and thirty seconds.

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</para>

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</listitem>

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</varlistentry>

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<term><literal><varname>interval</varname></literal></term>

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<synopsis><literal>interval = </literal><replaceable

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>TIME</replaceable>

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</synopsis>

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<para>

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How often to run the checker to confirm that a client is

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still up. <emphasis>Note:</emphasis> a new checker will

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not be started if an old one is still running. The server

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will wait for a checker to complete until the above

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<quote><varname>timeout</varname></quote> occurs, at which

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time the client will be marked invalid, and any running

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checker killed. The default interval is 5 minutes.

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</para>

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<para>

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The format of <replaceable>TIME</replaceable> is the same

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as for <varname>timeout</varname> above.

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</para>

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</listitem>

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</varlistentry>

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<term><literal>checker</literal></term>

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<synopsis><literal>checker = </literal><replaceable

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>COMMAND</replaceable>

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</synopsis>

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<para>

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This option allows you to override the default shell

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command that the server will use to check if the client is

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still up. Any output of the command will be ignored, only

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the exit code is checked: If the exit code of the command

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is zero, the client is considered up. The command will be

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run using <quote><command><filename>/bin/sh</filename>

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<option>-c</option></command></quote>, so

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<varname>PATH</varname> will be searched. The default

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value for the checker command is <quote><literal

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><command>fping</command> <option>-q</option> <option

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>--</option> %(host)s</literal></quote>.

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</para>

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<para>

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In addition to normal start time expansion, this option

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will also be subject to runtime expansion; see <xref

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linkend="expansion"/>.

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</para>

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</listitem>

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</varlistentry>

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<term><literal>fingerprint</literal></term>

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<synopsis><literal>fingerprint = </literal><replaceable

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>HEXSTRING</replaceable>

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</synopsis>

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<para>

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This option sets the OpenPGP fingerprint that identifies

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the public key that clients authenticate themselves with

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through TLS. The string needs to be in hexidecimal form,

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but spaces or upper/lower case are not significant.

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</para>

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</listitem>

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</varlistentry>

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<term><literal>secret</literal></term>

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<synopsis><literal>secret = </literal><replaceable

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>BASE64_ENCODED_DATA</replaceable>

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</synopsis>

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<para>

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If present, this option must be set to a string of

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base64-encoded binary data. It will be decoded and sent

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to the client matching the above

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<option>fingerprint</option>. This should, of course, be

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OpenPGP encrypted data, decryptable only by the client.

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The program <citerefentry><refentrytitle><command

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>mandos-keygen</command></refentrytitle><manvolnum

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>8</manvolnum></citerefentry> can, using its

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<option>--password</option> option, be used to generate

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this, if desired.

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</para>

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<para>

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Note: this value of this option will probably be very

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long. A useful feature to avoid having unreadably-long

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lines is that a line beginning with white space adds to

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the value of the previous line, RFC 822-style.

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</para>

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<para>

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If this option is not specified, the <option

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>secfile</option> option is used instead, but one of them

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<emphasis>must</emphasis> be present.

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</para>

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</listitem>

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</varlistentry>

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<term><literal>secfile</literal></term>

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<synopsis><literal>secfile = </literal><replaceable

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>FILENAME</replaceable>

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</synopsis>

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<para>

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The same as <option>secret</option>, but the secret data

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is in an external file. The contents of the file should

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<emphasis>not</emphasis> be base64-encoded, but will be

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sent to clients verbatim.

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</para>

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<para>

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This option is only used, and <emphasis>must</emphasis> be

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present, if <option>secret</option> is not specified.

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</para>

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</listitem>

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</varlistentry>

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<synopsis><literal>host = </literal><replaceable

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>STRING</replaceable>

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</synopsis>

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<para>

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Host name for this client. This is not used by the server

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directly, but can be, and is by default, used by the

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checker. See the <option>checker</option> option.

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</para>

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</listitem>

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</varlistentry>

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</variablelist>

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</refsect1>

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<title>EXPANSION</title>

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<para>

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There are two forms of expansion: Start time expansion and

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runtime expansion.

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</para>

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<title>START TIME EXPANSION</title>

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<para>

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Any string in an option value of the form

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<quote><literal>%(<replaceable>foo</replaceable>)s</literal

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></quote> will be replaced by the value of the option

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<varname>foo</varname> either in the same section, or, if it

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does not exist there, the <literal>[DEFAULT]</literal>

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section. This is done at start time, when the configuration

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file is read.

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</para>

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<para>

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Note that this means that, in order to include an actual

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percent character (<quote>%</quote>) in an option value, two

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percent characters in a row (<quote>%%</quote>) must be

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entered.

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</para>

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</refsect2>

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<title>RUNTIME EXPANSION</title>

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<para>

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This is currently only done for the <varname>checker</varname>

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option.

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</para>

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<para>

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Any string in an option value of the form

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<quote><literal>%%(<replaceable>foo</replaceable>)s</literal

316

></quote> will be replaced by the value of the attribute

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<varname>foo</varname> of the internal

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<quote><classname>Client</classname></quote> object. See the

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source code for details, and let the authors know of any

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attributes that are useful so they may be preserved to any new

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versions of this software.

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</para>

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<para>

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Note that this means that, in order to include an actual

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percent character (<quote>%</quote>) in a

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<varname>checker</varname> option, <emphasis>four</emphasis>

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percent characters in a row (<quote>%%%%</quote>) must be

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entered. Also, a bad format here will lead to an immediate

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but <emphasis>silent</emphasis> run-time fatal exit; debug

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mode is needed to track down an error of this kind.

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</para>

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</refsect2>

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</refsect1>

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<title>FILES</title>

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<para>

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The file described here is &CONFPATH;

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</para>

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</refsect1>

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<para>

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The format for specifying times for <varname>timeout</varname>

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and <varname>interval</varname> is not very good.

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</para>

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<para>

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The difference between

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<literal>%%(<replaceable>foo</replaceable>)s</literal> and

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<literal>%(<replaceable>foo</replaceable>)s</literal> is

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obscure.

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</para>

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</refsect1>

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<title>EXAMPLE</title>

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[DEFAULT]

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timeout = 1h

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interval = 5m

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checker = fping -q -- %(host)s

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# Client "foo"

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[foo]

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fingerprint = 7788 2722 5BA7 DE53 9C5A 7CFA 59CF F7CD BD9A 5920

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secret =

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hQIOA6QdEjBs2L/HEAf/TCyrDe5Xnm9esa+Pb/vWF9CUqfn4srzVgSu234

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REJMVv7lBSrPE2132Lmd2gqF1HeLKDJRSVxJpt6xoWOChGHg+TMyXDxK+N

372

Xl89vGvdU1XfhKkVm9MDLOgT5ECDPysDGHFPDhqHOSu3Kaw2DWMV/iH9vz

373

3Z20erVNbdcvyBnuojcoWO/6yfB5EQO0BXp7kcyy00USA3CjD5FGZdoQGI

374

Tb8A/ar0tVA5crSQmaSotm6KmNLhrFnZ5BxX+TiE+eTUTqSloWRY6VAvqW

375

QHC7OASxK5E6RXPBuFH5IohUA2Qbk5AHt99pYvsIPX88j2rWauOokoiKZo

376

t/9leJ8VxO5l3wf/U64IH8bkPIoWmWZfd/nqh4uwGNbCgKMyT+AnvH7kMJ

377

3i7DivfWl2mKLV0PyPHUNva0VQxX6yYjcOhj1R6fCr/at8/NSLe2OhLchz

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dC+Ls9h+kvJXgF8Sisv+Wk/1RadPLFmraRlqvJwt6Ww21LpiXqXHV2mIgq

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WnR98YgSvUi3TJHrUQiNc9YyBzuRo0AjgG2C9qiE3FM+Y28+iQ/sR3+bFs

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zYuZKVTObqiIslwXu7imO0cvvFRgJF/6u3HNFQ4LUTGhiM3FQmC6NNlF3/

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vJM2hwRDMcJqDd54Twx90Wh+tYz0z7QMsK4ANXWHHWHR0JchnLWmenzbtW

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5MHdW9AYsNJZAQSOpirE4Xi31CSlWAi9KV+cUCmWF5zOFy1x23P6PjdaRm

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4T2zw4dxS5NswXWU0sVEXxjs6PYxuIiCTL7vdpx8QjBkrPWDrAbcMyBr2O

384

QlnHIvPzEArRQLo=

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host = foo.example.org

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interval = 1m

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# Client "bar"

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[bar]

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fingerprint = 3e393aeaefb84c7e89e2f547b3a107558fca3a27

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secfile = /etc/mandos/bar-secret

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timeout = 15m

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</programlisting>

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</informalexample>

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</refsect1>

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<para>

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<refentrytitle>mandos</refentrytitle>

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<refentrytitle>mandos-keygen</refentrytitle>

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<refentrytitle>mandos.conf</refentrytitle>

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</para>

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</refsect1>

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</refentry>

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