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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<refentry id='pam_echo'>
<refmeta>
<refentrytitle>pam_echo</refentrytitle>
<manvolnum>8</manvolnum>
<refmiscinfo class='setdesc'>Linux-PAM Manual</refmiscinfo>
</refmeta>
<refnamediv id='pam_echo-name'>
<refname>pam_echo</refname>
<refpurpose>PAM module for printing text messages</refpurpose>
</refnamediv>
<!-- body begins here -->
<refsynopsisdiv>
<cmdsynopsis id="pam_echo-cmdsynopsis">
<command>pam_echo.so</command>
<arg choice="opt">
file=<replaceable>/path/message</replaceable>
</arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1 id='pam_echo-description'>
<title>DESCRIPTION</title>
<para>
The <emphasis>pam_echo</emphasis> PAM module is for printing
text messages to inform user about special things. Sequences
starting with the <emphasis>%</emphasis> character are
interpreted in the following way:
</para>
<variablelist>
<varlistentry>
<term><emphasis>%H</emphasis></term>
<listitem>
<para>The name of the remote host (PAM_RHOST).</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis remap='B'>%h</emphasis></term>
<listitem>
<para>The name of the local host.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>%s</emphasis></term>
<listitem>
<para>The service name (PAM_SERVICE).</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>%t</emphasis></term>
<listitem>
<para>The name of the controlling terminal (PAM_TTY).</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>%U</emphasis></term>
<listitem>
<para>The remote user name (PAM_RUSER).</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis>%u</emphasis></term>
<listitem>
<para>The local user name (PAM_USER).</para>
</listitem>
</varlistentry>
</variablelist>
<para>
All other sequences beginning with <emphasis>%</emphasis>
expands to the characters following the <emphasis>%</emphasis>
character.
</para>
</refsect1>
<refsect1 id='pam_echo-options'>
<title>OPTIONS</title>
<variablelist>
<varlistentry>
<term>
<option>file=<replaceable>/path/message</replaceable></option>
</term>
<listitem>
<para>
The content of the file <filename>/path/message</filename>
will be printed with the PAM conversion function as PAM_TEXT_INFO.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 id="pam_echo-services">
<title>MODULE SERVICES PROVIDED</title>
<para>
All services are supported.
</para>
</refsect1>
<refsect1 id="pam_access-return_values">
<title>RETURN VALUES</title>
<variablelist>
<varlistentry>
<term>PAM_BUF_ERR</term>
<listitem>
<para>
Memory buffer error.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>PAM_SUCCESS</term>
<listitem>
<para>
Message was successful printed.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>PAM_IGNORE</term>
<listitem>
<para>
PAM_SILENT flag was given or message file does not
exist, no message printed.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 id='pam_echo-examples'>
<title>EXAMPLES</title>
<para>
For an example of the use of this module, we show how it may be
used to print informations about good passwords:
<programlisting>
password optional pam_echo.so file=/usr/share/doc/good-password.txt
password required pam_unix.so
</programlisting>
</para>
</refsect1>
<refsect1 id='pam_echo-see_also'><title>SEE ALSO</title>
<para>
<citerefentry>
<refentrytitle>pam.conf</refentrytitle><manvolnum>8</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>pam.d</refentrytitle><manvolnum>8</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum>
</citerefentry></para>
</refsect1>
<refsect1 id='pam_echo-author'>
<title>AUTHOR</title>
<para>Thorsten Kukuk <kukuk@suse.de></para>
</refsect1>
</refentry>
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