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<?xml version="1.0" encoding='UTF-8'?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd">
<refentry id="pam_issue">
<refmeta>
<refentrytitle>pam_issue</refentrytitle>
<manvolnum>8</manvolnum>
<refmiscinfo class="sectdesc">Linux-PAM Manual</refmiscinfo>
</refmeta>
<refnamediv id="pam_issue-name">
<refname>pam_issue</refname>
<refpurpose>PAM module to add issue file to user prompt</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis id="pam_issue-cmdsynopsis">
<command>pam_issue.so</command>
<arg choice="opt">
noesc
</arg>
<arg choice="opt">
issue=<replaceable>issue-file-name</replaceable>
</arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1 id="pam_issue-description">
<title>DESCRIPTION</title>
<para>
pam_issue is a PAM module to prepend an issue file to the username
prompt. It also by default parses escape codes in the issue file
similar to some common getty's (using \x format).
</para>
<para>
Recognized escapes:
</para>
<variablelist>
<varlistentry>
<term><emphasis remap='B'>\d</emphasis></term>
<listitem>
<para>current day</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis remap='B'>\l</emphasis></term>
<listitem>
<para>name of this tty</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis remap='B'>\m</emphasis></term>
<listitem>
<para>machine architecture (uname -m)</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis remap='B'>\n</emphasis></term>
<listitem>
<para>machine's network node hostname (uname -n)</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis remap='B'>\o</emphasis></term>
<listitem>
<para>domain name of this system</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis remap='B'>\r</emphasis></term>
<listitem>
<para>release number of operating system (uname -r)</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis remap='B'>\t</emphasis></term>
<listitem>
<para>current time</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis remap='B'>\s</emphasis></term>
<listitem>
<para>operating system name (uname -s)</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis remap='B'>\u</emphasis></term>
<listitem>
<para>number of users currently logged in</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis remap='B'>\U</emphasis></term>
<listitem>
<para>
same as \u except it is suffixed with "user" or
"users" (eg. "1 user" or "10 users")
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis remap='B'>\v</emphasis></term>
<listitem>
<para>operating system version and build date (uname -v)</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 id="pam_issue-options">
<title>OPTIONS</title>
<para>
<variablelist>
<varlistentry>
<term>
<option>noesc</option>
</term>
<listitem>
<para>
Turns off escape code parsing.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>issue=<replaceable>issue-file-name</replaceable></option>
</term>
<listitem>
<para>
The file to output if not using the default.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 id="pam_issue-services">
<title>MODULE SERVICES PROVIDED</title>
<para>
Only the <option>auth</option> service is supported.
</para>
</refsect1>
<refsect1 id='pam_issue-return_values'>
<title>RETURN VALUES</title>
<para>
<variablelist>
<varlistentry>
<term>PAM_BUF_ERR</term>
<listitem>
<para>
Memory buffer error.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>PAM_IGNORE</term>
<listitem>
<para>
The prompt was already changed.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>PAM_SERVICE_ERR</term>
<listitem>
<para>
A service module error occured.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>PAM_SUCCESS</term>
<listitem>
<para>
The new prompt was set successfull.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 id='pam_issue-examples'>
<title>EXAMPLES</title>
<para>
Add the following line to <filename>/etc/pam.d/login</filename> to
set the user specific issue at login:
<programlisting>
auth optional pam_issue.so issue=/etc/issue
</programlisting>
</para>
</refsect1>
<refsect1 id='pam_issue-see_also'>
<title>SEE ALSO</title>
<para>
<citerefentry>
<refentrytitle>pam.conf</refentrytitle><manvolnum>5</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>pam.d</refentrytitle><manvolnum>8</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum>
</citerefentry>
</para>
</refsect1>
<refsect1 id='pam_issue-author'>
<title>AUTHOR</title>
<para>
pam_issue was written by Ben Collins <bcollins@debian.org>.
</para>
</refsect1>
</refentry>
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