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* plugins.d/mandos-client.c (run_network_hooks): Do _exit() on failure
                                                 in child process.

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mandos.xml
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY COMMANDNAME "mandos">
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<!ENTITY TIMESTAMP "2010-09-11">
 
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<!ENTITY TIMESTAMP "2011-10-03">
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<!ENTITY % common SYSTEM "common.ent">
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%common;
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]>
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        <firstname>Björn</firstname>
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        <surname>Påhlsson</surname>
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        <address>
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          <email>belorn@fukt.bsnet.se</email>
 
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          <email>belorn@recompile.se</email>
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        </address>
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      </author>
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      <author>
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        <firstname>Teddy</firstname>
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        <surname>Hogeborn</surname>
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        <address>
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          <email>teddy@fukt.bsnet.se</email>
 
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          <email>teddy@recompile.se</email>
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        </address>
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      </author>
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    </authorgroup>
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    <copyright>
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      <year>2008</year>
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      <year>2009</year>
 
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      <year>2010</year>
 
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      <year>2011</year>
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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
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    </copyright>
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      <sbr/>
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      <arg><option>--debug</option></arg>
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      <sbr/>
 
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      <arg><option>--debuglevel
 
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      <replaceable>LEVEL</replaceable></option></arg>
 
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      <sbr/>
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      <arg><option>--no-dbus</option></arg>
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      <sbr/>
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      <arg><option>--no-ipv6</option></arg>
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    <para>
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      <command>&COMMANDNAME;</command> is a server daemon which
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      handles incoming request for passwords for a pre-defined list of
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      client host computers.  The Mandos server uses Zeroconf to
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      announce itself on the local network, and uses TLS to
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      communicate securely with and to authenticate the clients.  The
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      Mandos server uses IPv6 to allow Mandos clients to use IPv6
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      link-local addresses, since the clients will probably not have
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      any other addresses configured (see <xref linkend="overview"/>).
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      Any authenticated client is then given the stored pre-encrypted
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      password for that specific client.
 
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      client host computers. For an introduction, see
 
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      <citerefentry><refentrytitle>intro</refentrytitle>
 
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      <manvolnum>8mandos</manvolnum></citerefentry>. The Mandos server
 
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      uses Zeroconf to announce itself on the local network, and uses
 
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      TLS to communicate securely with and to authenticate the
 
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      clients.  The Mandos server uses IPv6 to allow Mandos clients to
 
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      use IPv6 link-local addresses, since the clients will probably
 
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      not have any other addresses configured (see <xref
 
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      linkend="overview"/>).  Any authenticated client is then given
 
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      the stored pre-encrypted password for that specific client.
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    </para>
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  </refsect1>
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      </varlistentry>
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      <varlistentry>
 
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        <term><option>--debuglevel
 
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        <replaceable>LEVEL</replaceable></option></term>
 
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        <listitem>
 
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          <para>
 
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            Set the debugging log level.
 
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            <replaceable>LEVEL</replaceable> is a string, one of
 
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            <quote><literal>CRITICAL</literal></quote>,
 
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            <quote><literal>ERROR</literal></quote>,
 
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            <quote><literal>WARNING</literal></quote>,
 
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            <quote><literal>INFO</literal></quote>, or
 
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            <quote><literal>DEBUG</literal></quote>, in order of
 
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            increasing verbosity.  The default level is
 
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            <quote><literal>WARNING</literal></quote>.
 
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          </para>
 
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        </listitem>
 
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      </varlistentry>
 
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      <varlistentry>
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        <term><option>--priority <replaceable>
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        PRIORITY</replaceable></option></term>
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        <listitem>
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      for some time, the client is assumed to be compromised and is no
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      longer eligible to receive the encrypted password.  (Manual
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      intervention is required to re-enable a client.)  The timeout,
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      checker program, and interval between checks can be configured
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      both globally and per client; see <citerefentry>
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      <refentrytitle>mandos-clients.conf</refentrytitle>
 
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      extended timeout, checker program, and interval between checks
 
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      can be configured both globally and per client; see
 
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      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
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      <manvolnum>5</manvolnum></citerefentry>.  A client successfully
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      receiving its password will also be treated as a successful
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      checker run.
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    </para>
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  </refsect1>
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  <refsect1 id="approval">
 
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    <title>APPROVAL</title>
 
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    <para>
 
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      The server can be configured to require manual approval for a
 
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      client before it is sent its secret.  The delay to wait for such
 
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      approval and the default action (approve or deny) can be
 
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      configured both globally and per client; see <citerefentry>
 
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      <refentrytitle>mandos-clients.conf</refentrytitle>
 
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      <manvolnum>5</manvolnum></citerefentry>.  By default all clients
 
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      will be approved immediately without delay.
 
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    </para>
 
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    <para>
 
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      This can be used to deny a client its secret if not manually
 
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      approved within a specified time.  It can also be used to make
 
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      the server delay before giving a client its secret, allowing
 
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      optional manual denying of this specific client.
 
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    </para>
 
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  </refsect1>
 
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  <refsect1 id="logging">
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    <title>LOGGING</title>
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    <para>
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        <term><filename>/var/run/mandos.pid</filename></term>
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        <listitem>
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          <para>
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            The file containing the process id of
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            <command>&COMMANDNAME;</command>.
 
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            The file containing the process id of the
 
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            <command>&COMMANDNAME;</command> process started last.
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          </para>
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        </listitem>
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      </varlistentry>
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  <refsect1 id="see_also">
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    <title>SEE ALSO</title>
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    <para>
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      <citerefentry>
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        <refentrytitle>mandos-clients.conf</refentrytitle>
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        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
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        <refentrytitle>mandos.conf</refentrytitle>
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        <manvolnum>5</manvolnum></citerefentry>, <citerefentry>
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        <refentrytitle>mandos-client</refentrytitle>
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        <manvolnum>8mandos</manvolnum></citerefentry>, <citerefentry>
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        <refentrytitle>sh</refentrytitle><manvolnum>1</manvolnum>
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      </citerefentry>
 
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      <citerefentry><refentrytitle>intro</refentrytitle>
 
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      <manvolnum>8mandos</manvolnum></citerefentry>,
 
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      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
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      <manvolnum>5</manvolnum></citerefentry>,
 
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      <citerefentry><refentrytitle>mandos.conf</refentrytitle>
 
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      <manvolnum>5</manvolnum></citerefentry>,
 
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      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
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      <manvolnum>8mandos</manvolnum></citerefentry>,
 
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      <citerefentry><refentrytitle>sh</refentrytitle>
 
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      <manvolnum>1</manvolnum></citerefentry>
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    </para>
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    <variablelist>
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      <varlistentry>