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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:38:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:38:36 +0000
commit26367bfc399cb3862f94ddca8fce87f98f26d67e (patch)
treeba3a4e02ed5ec62fe645dfa810c01d26decf591f /modules/pam_keyinit/pam_keyinit.8.xml
parentInitial commit. (diff)
downloadpam-26367bfc399cb3862f94ddca8fce87f98f26d67e.tar.xz
pam-26367bfc399cb3862f94ddca8fce87f98f26d67e.zip
Adding upstream version 1.3.1.upstream/1.3.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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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_keyinit">
+
+ <refmeta>
+ <refentrytitle>pam_keyinit</refentrytitle>
+ <manvolnum>8</manvolnum>
+ <refmiscinfo class="sectdesc">Linux-PAM Manual</refmiscinfo>
+ </refmeta>
+
+ <refnamediv id="pam_keyinit-name">
+ <refname>pam_keyinit</refname>
+ <refpurpose>Kernel session keyring initialiser module</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <cmdsynopsis id="pam_keyinit-cmdsynopsis">
+ <command>pam_keyinit.so</command>
+ <arg choice="opt">
+ debug
+ </arg>
+ <arg choice="opt">
+ force
+ </arg>
+ <arg choice="opt">
+ revoke
+ </arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1 id="pam_keyinit-description">
+ <title>DESCRIPTION</title>
+ <para>
+ The pam_keyinit PAM module ensures that the invoking process has a
+ session keyring other than the user default session keyring.
+ </para>
+ <para>
+ The session component of the module checks to see if the process's
+ session keyring is the user default, and, if it is, creates a new
+ anonymous session keyring with which to replace it.
+ </para>
+ <para>
+ If a new session keyring is created, it will install a link to the user
+ common keyring in the session keyring so that keys common to the user
+ will be automatically accessible through it.
+ </para>
+ <para>
+ The session keyring of the invoking process will thenceforth be inherited
+ by all its children unless they override it.
+ </para>
+ <para>
+ This module is intended primarily for use by login processes. Be aware
+ that after the session keyring has been replaced, the old session keyring
+ and the keys it contains will no longer be accessible.
+ </para>
+ <para>
+ This module should not, generally, be invoked by programs like
+ <emphasis remap='B'>su</emphasis>, since it is usually desirable for the
+ key set to percolate through to the alternate context. The keys have
+ their own permissions system to manage this.
+ </para>
+ <para>
+ This module should be included as early as possible in a PAM
+ configuration, so that other PAM modules can attach tokens to the
+ keyring.
+ </para>
+ <para>
+ The keyutils package is used to manipulate keys more directly. This
+ can be obtained from:
+ </para>
+ <para>
+ <ulink url="http://people.redhat.com/~dhowells/keyutils/">
+ Keyutils
+ </ulink>
+ </para>
+ </refsect1>
+
+ <refsect1 id="pam_keyinit-options">
+ <title>OPTIONS</title>
+ <variablelist>
+ <varlistentry>
+ <term>
+ <option>debug</option>
+ </term>
+ <listitem>
+ <para>
+ Log debug information with <citerefentry>
+ <refentrytitle>syslog</refentrytitle><manvolnum>3</manvolnum>
+ </citerefentry>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>force</option>
+ </term>
+ <listitem>
+ <para>
+ Causes the session keyring of the invoking process to be replaced
+ unconditionally.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>revoke</option>
+ </term>
+ <listitem>
+ <para>
+ Causes the session keyring of the invoking process to be revoked
+ when the invoking process exits if the session keyring was created
+ for this process in the first place.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+ </refsect1>
+
+ <refsect1 id="pam_keyinit-types">
+ <title>MODULE TYPES PROVIDED</title>
+ <para>
+ Only the <option>session</option> module type is provided.
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_keyinit-return_values'>
+ <title>RETURN VALUES</title>
+ <variablelist>
+ <varlistentry>
+ <term>PAM_SUCCESS</term>
+ <listitem>
+ <para>
+ This module will usually return this value
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_AUTH_ERR</term>
+ <listitem>
+ <para>
+ Authentication failure.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_BUF_ERR</term>
+ <listitem>
+ <para>
+ Memory buffer error.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_IGNORE</term>
+ <listitem>
+ <para>
+ The return value should be ignored by PAM dispatch.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_SERVICE_ERR</term>
+ <listitem>
+ <para>
+ Cannot determine the user name.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_SESSION_ERR</term>
+ <listitem>
+ <para>
+ This module will return this value if its arguments are invalid or
+ if a system error such as ENOMEM occurs.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_USER_UNKNOWN</term>
+ <listitem>
+ <para>
+ User not known.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+ </refsect1>
+
+ <refsect1 id='pam_keyinit-examples'>
+ <title>EXAMPLES</title>
+ <para>
+ Add this line to your login entries to start each login session with its
+ own session keyring:
+ <programlisting>
+session required pam_keyinit.so
+ </programlisting>
+ </para>
+ <para>
+ This will prevent keys from one session leaking into another session for
+ the same user.
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_keyinit-see_also'>
+ <title>SEE ALSO</title>
+ <para>
+ <citerefentry>
+ <refentrytitle>pam.conf</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>pam.d</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>
+ <citerefentry>
+ <refentrytitle>keyctl</refentrytitle><manvolnum>1</manvolnum>
+ </citerefentry>
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_keyinit-author'>
+ <title>AUTHOR</title>
+ <para>
+ pam_keyinit was written by David Howells, &lt;dhowells@redhat.com&gt;.
+ </para>
+ </refsect1>
+
+</refentry>