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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>6.18. pam_loginuid - record user's login uid to the process attribute</title><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"><link rel="home" href="Linux-PAM_SAG.html" title="The Linux-PAM System Administrators' Guide"><link rel="up" href="sag-module-reference.html" title="Chapter 6. A reference guide for available modules"><link rel="prev" href="sag-pam_localuser.html" title="6.17. pam_localuser - require users to be listed in /etc/passwd"><link rel="next" href="sag-pam_mail.html" title="6.19. pam_mail - inform about available mail"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">6.18. pam_loginuid - record user's login uid to the process attribute</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="sag-pam_localuser.html">Prev</a> </td><th width="60%" align="center">Chapter 6. A reference guide for available modules</th><td width="20%" align="right"> <a accesskey="n" href="sag-pam_mail.html">Next</a></td></tr></table><hr></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="sag-pam_loginuid"></a>6.18. pam_loginuid - record user's login uid to the process attribute</h2></div></div></div><div class="cmdsynopsis"><p><code class="command">pam_loginuid.so</code> [
require_auditd
]</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="sag-pam_loginuid-description"></a>6.18.1. DESCRIPTION</h3></div></div></div><p>
The pam_loginuid module sets the loginuid process attribute for the
process that was authenticated. This is necessary for applications
to be correctly audited. This PAM module should only be used for entry
point applications like: login, sshd, gdm, vsftpd, crond and atd.
There are probably other entry point applications besides these.
You should not use it for applications like sudo or su as that
defeats the purpose by changing the loginuid to the account they just
switched to.
</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="sag-pam_loginuid-options"></a>6.18.2. OPTIONS</h3></div></div></div><div class="variablelist"><dl class="variablelist"><dt><span class="term">
<code class="option">require_auditd</code>
</span></dt><dd><p>
This option, when given, will cause this module to query
the audit daemon status and deny logins if it is not running.
</p></dd></dl></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="sag-pam_loginuid-types"></a>6.18.3. MODULE TYPES PROVIDED</h3></div></div></div><p>
Only the <code class="option">session</code> module type is provided.
</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="sag-pam_loginuid-return_values"></a>6.18.4. RETURN VALUES</h3></div></div></div><p>
</p><div class="variablelist"><dl class="variablelist"><dt><span class="term">PAM_SUCCESS</span></dt><dd><p>
The loginuid value is set and auditd is running if check requested.
</p></dd><dt><span class="term">PAM_IGNORE</span></dt><dd><p>
The /proc/self/loginuid file is not present on the system or the
login process runs inside uid namespace and kernel does not support
overwriting loginuid.
</p></dd><dt><span class="term">PAM_SESSION_ERR</span></dt><dd><p>
Any other error prevented setting loginuid or auditd is not running.
</p></dd></dl></div><p>
</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="sag-pam_loginuid-examples"></a>6.18.5. EXAMPLES</h3></div></div></div><pre class="programlisting">
#%PAM-1.0
auth required pam_unix.so
auth required pam_nologin.so
account required pam_unix.so
password required pam_unix.so
session required pam_unix.so
session required pam_loginuid.so
</pre></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="sag-pam_loginuid-author"></a>6.18.6. AUTHOR</h3></div></div></div><p>
pam_loginuid was written by Steve Grubb <sgrubb@redhat.com>
</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="sag-pam_localuser.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sag-module-reference.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="sag-pam_mail.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">6.17. pam_localuser - require users to be listed in /etc/passwd </td><td width="20%" align="center"><a accesskey="h" href="Linux-PAM_SAG.html">Home</a></td><td width="40%" align="right" valign="top"> 6.19. pam_mail - inform about available mail</td></tr></table></div></body></html>