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-rw-r--r--modules/pam_ftp/pam_ftp.8125
-rw-r--r--modules/pam_ftp/pam_ftp.8.xml183
2 files changed, 308 insertions, 0 deletions
diff --git a/modules/pam_ftp/pam_ftp.8 b/modules/pam_ftp/pam_ftp.8
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+++ b/modules/pam_ftp/pam_ftp.8
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+'\" t
+.\" Title: pam_ftp
+.\" Author: [see the "AUTHOR" section]
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\" Date: 09/03/2021
+.\" Manual: Linux-PAM Manual
+.\" Source: Linux-PAM Manual
+.\" Language: English
+.\"
+.TH "PAM_FTP" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAME"
+pam_ftp \- PAM module for anonymous access module
+.SH "SYNOPSIS"
+.HP \w'\fBpam_ftp\&.so\fR\ 'u
+\fBpam_ftp\&.so\fR [debug] [ignore] [users=\fIXXX,YYY,\fR...]
+.SH "DESCRIPTION"
+.PP
+pam_ftp is a PAM module which provides a pluggable anonymous ftp mode of access\&.
+.PP
+This module intercepts the user\*(Aqs name and password\&. If the name is
+\fIftp\fR
+or
+\fIanonymous\fR, the user\*(Aqs password is broken up at the
+\fI@\fR
+delimiter into a
+\fIPAM_RUSER\fR
+and a
+\fIPAM_RHOST\fR
+part; these pam\-items being set accordingly\&. The username (\fIPAM_USER\fR) is set to
+\fIftp\fR\&. In this case the module succeeds\&. Alternatively, the module sets the
+\fIPAM_AUTHTOK\fR
+item with the entered password and fails\&.
+.PP
+This module is not safe and easily spoofable\&.
+.SH "OPTIONS"
+.PP
+.PP
+\fBdebug\fR
+.RS 4
+Print debug information\&.
+.RE
+.PP
+\fBignore\fR
+.RS 4
+Pay no attention to the email address of the user (if supplied)\&.
+.RE
+.PP
+\fBftp=\fR\fB\fIXXX,YYY,\&.\&.\&.\fR\fR
+.RS 4
+Instead of
+\fIftp\fR
+or
+\fIanonymous\fR, provide anonymous login to the comma separated list of users:
+\fB\fIXXX,YYY,\&.\&.\&.\fR\fR\&. Should the applicant enter one of these usernames the returned username is set to the first in the list:
+\fIXXX\fR\&.
+.RE
+.SH "MODULE TYPES PROVIDED"
+.PP
+Only the
+\fBauth\fR
+module type is provided\&.
+.SH "RETURN VALUES"
+.PP
+.PP
+PAM_SUCCESS
+.RS 4
+The authentication was successful\&.
+.RE
+.PP
+PAM_USER_UNKNOWN
+.RS 4
+User not known\&.
+.RE
+.SH "EXAMPLES"
+.PP
+Add the following line to
+/etc/pam\&.d/ftpd
+to handle ftp style anonymous login:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+#
+# ftpd; add ftp\-specifics\&. These lines enable anonymous ftp over
+# standard UN*X access (the listfile entry blocks access to
+# users listed in /etc/ftpusers)
+#
+auth sufficient pam_ftp\&.so
+auth required pam_unix\&.so use_first_pass
+auth required pam_listfile\&.so \e
+ onerr=succeed item=user sense=deny file=/etc/ftpusers
+
+.fi
+.if n \{\
+.RE
+.\}
+.sp
+.SH "SEE ALSO"
+.PP
+\fBpam.conf\fR(5),
+\fBpam.d\fR(5),
+\fBpam\fR(8)
+.SH "AUTHOR"
+.PP
+pam_ftp was written by Andrew G\&. Morgan <morgan@kernel\&.org>\&.
diff --git a/modules/pam_ftp/pam_ftp.8.xml b/modules/pam_ftp/pam_ftp.8.xml
new file mode 100644
index 0000000..6f11f57
--- /dev/null
+++ b/modules/pam_ftp/pam_ftp.8.xml
@@ -0,0 +1,183 @@
+<?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_ftp">
+
+ <refmeta>
+ <refentrytitle>pam_ftp</refentrytitle>
+ <manvolnum>8</manvolnum>
+ <refmiscinfo class="sectdesc">Linux-PAM Manual</refmiscinfo>
+ </refmeta>
+
+ <refnamediv id="pam_ftp-name">
+ <refname>pam_ftp</refname>
+ <refpurpose>PAM module for anonymous access module</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <cmdsynopsis id="pam_ftp-cmdsynopsis">
+ <command>pam_ftp.so</command>
+ <arg choice="opt">
+ debug
+ </arg>
+ <arg choice="opt">
+ ignore
+ </arg>
+ <arg choice="opt" rep='repeat'>
+ users=<replaceable>XXX,YYY,</replaceable>
+ </arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1 id="pam_ftp-description">
+
+ <title>DESCRIPTION</title>
+
+ <para>
+ pam_ftp is a PAM module which provides a pluggable
+ anonymous ftp mode of access.
+ </para>
+ <para>
+ This module intercepts the user's name and password. If the name is
+ <emphasis>ftp</emphasis> or <emphasis>anonymous</emphasis>, the
+ user's password is broken up at the <emphasis>@</emphasis> delimiter
+ into a <emphasis>PAM_RUSER</emphasis> and a
+ <emphasis>PAM_RHOST</emphasis> part; these pam-items being set
+ accordingly. The username (<emphasis>PAM_USER</emphasis>) is set
+ to <emphasis>ftp</emphasis>. In this case the module succeeds.
+ Alternatively, the module sets the <emphasis>PAM_AUTHTOK</emphasis>
+ item with the entered password and fails.
+ </para>
+ <para>
+ This module is not safe and easily spoofable.
+ </para>
+ </refsect1>
+
+ <refsect1 id="pam_ftp-options">
+
+ <title>OPTIONS</title>
+ <para>
+ <variablelist>
+
+ <varlistentry>
+ <term>
+ <option>debug</option>
+ </term>
+ <listitem>
+ <para>
+ Print debug information.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>ignore</option>
+ </term>
+ <listitem>
+ <para>
+ Pay no attention to the email address of the user
+ (if supplied).
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>ftp=<replaceable>XXX,YYY,...</replaceable></option>
+ </term>
+ <listitem>
+ <para>
+ Instead of <emphasis>ftp</emphasis> or
+ <emphasis>anonymous</emphasis>, provide anonymous login
+ to the comma separated list of users:
+ <option><replaceable>XXX,YYY,...</replaceable></option>.
+ Should the applicant enter
+ one of these usernames the returned username is set to
+ the first in the list: <emphasis>XXX</emphasis>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+
+ </para>
+ </refsect1>
+
+ <refsect1 id="pam_ftp-types">
+ <title>MODULE TYPES PROVIDED</title>
+ <para>
+ Only the <option>auth</option> module type is provided.
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_ftp-return_values'>
+ <title>RETURN VALUES</title>
+ <para>
+ <variablelist>
+
+ <varlistentry>
+ <term>PAM_SUCCESS</term>
+ <listitem>
+ <para>
+ The authentication was successful.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_USER_UNKNOWN</term>
+ <listitem>
+ <para>
+ User not known.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_ftp-examples'>
+ <title>EXAMPLES</title>
+ <para>
+ Add the following line to <filename>/etc/pam.d/ftpd</filename> to
+ handle ftp style anonymous login:
+ <programlisting>
+#
+# ftpd; add ftp-specifics. These lines enable anonymous ftp over
+# standard UN*X access (the listfile entry blocks access to
+# users listed in /etc/ftpusers)
+#
+auth sufficient pam_ftp.so
+auth required pam_unix.so use_first_pass
+auth required pam_listfile.so \
+ onerr=succeed item=user sense=deny file=/etc/ftpusers
+ </programlisting>
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_ftp-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>
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_ftp-author'>
+ <title>AUTHOR</title>
+ <para>
+ pam_ftp was written by Andrew G. Morgan &lt;morgan@kernel.org&gt;.
+ </para>
+ </refsect1>
+
+</refentry>
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