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<refentry xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="pam_debug">
<refmeta>
<refentrytitle>pam_debug</refentrytitle>
<manvolnum>8</manvolnum>
<refmiscinfo class="source">Linux-PAM</refmiscinfo>
<refmiscinfo class="manual">Linux-PAM Manual</refmiscinfo>
</refmeta>
<refnamediv xml:id="pam_debug-name">
<refname>pam_debug</refname>
<refpurpose>PAM module to debug the PAM stack</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis xml:id="pam_debug-cmdsynopsis" sepchar=" ">
<command>pam_debug.so</command>
<arg choice="opt" rep="norepeat">
auth=<replaceable>value</replaceable>
</arg>
<arg choice="opt" rep="norepeat">
cred=<replaceable>value</replaceable>
</arg>
<arg choice="opt" rep="norepeat">
acct=<replaceable>value</replaceable>
</arg>
<arg choice="opt" rep="norepeat">
prechauthtok=<replaceable>value</replaceable>
</arg>
<arg choice="opt" rep="norepeat">
chauthtok=<replaceable>value</replaceable>
</arg>
<arg choice="opt" rep="norepeat">
auth=<replaceable>value</replaceable>
</arg>
<arg choice="opt" rep="norepeat">
open_session=<replaceable>value</replaceable>
</arg>
<arg choice="opt" rep="norepeat">
close_session=<replaceable>value</replaceable>
</arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1 xml:id="pam_debug-description">
<title>DESCRIPTION</title>
<para>
The pam_debug PAM module is intended as a debugging aide for
determining how the PAM stack is operating. This module returns
what its module arguments tell it to return.
</para>
</refsect1>
<refsect1 xml:id="pam_debug-options">
<title>OPTIONS</title>
<variablelist>
<varlistentry>
<term>
auth=value
</term>
<listitem>
<para>
The
<citerefentry>
<refentrytitle>pam_sm_authenticate</refentrytitle><manvolnum>3</manvolnum>
</citerefentry> function will return
<replaceable>value</replaceable>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
cred=value
</term>
<listitem>
<para>
The
<citerefentry>
<refentrytitle>pam_sm_setcred</refentrytitle><manvolnum>3</manvolnum>
</citerefentry> function will return
<replaceable>value</replaceable>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
acct=value
</term>
<listitem>
<para>
The
<citerefentry>
<refentrytitle>pam_sm_acct_mgmt</refentrytitle><manvolnum>3</manvolnum>
</citerefentry> function will return
<replaceable>value</replaceable>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
prechauthtok=value
</term>
<listitem>
<para>
The
<citerefentry>
<refentrytitle>pam_sm_chauthtok</refentrytitle><manvolnum>3</manvolnum>
</citerefentry> function will return
<replaceable>value</replaceable> if the
<emphasis>PAM_PRELIM_CHECK</emphasis> flag is set.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
chauthtok=value
</term>
<listitem>
<para>
The
<citerefentry>
<refentrytitle>pam_sm_chauthtok</refentrytitle><manvolnum>3</manvolnum>
</citerefentry> function will return
<replaceable>value</replaceable> if the
<emphasis>PAM_PRELIM_CHECK</emphasis> flag is
<emphasis remap="B">not</emphasis> set.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
open_session=value
</term>
<listitem>
<para>
The
<citerefentry>
<refentrytitle>pam_sm_open_session</refentrytitle><manvolnum>3</manvolnum>
</citerefentry> function will return
<replaceable>value</replaceable>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
close_session=value
</term>
<listitem>
<para>
The
<citerefentry>
<refentrytitle>pam_sm_close_session</refentrytitle><manvolnum>3</manvolnum>
</citerefentry> function will return
<replaceable>value</replaceable>.
</para>
</listitem>
</varlistentry>
</variablelist>
<para>
Where <replaceable>value</replaceable> can be one of: success,
open_err, symbol_err, service_err, system_err, buf_err, perm_denied,
auth_err, cred_insufficient, authinfo_unavail, user_unknown,
maxtries, new_authtok_reqd, acct_expired, session_err, cred_unavail,
cred_expired, cred_err, no_module_data, conv_err, authtok_err,
authtok_recover_err, authtok_lock_busy, authtok_disable_aging,
try_again, ignore, abort, authtok_expired, module_unknown,
bad_item, conv_again, incomplete.
</para>
</refsect1>
<refsect1 xml:id="pam_debug-types">
<title>MODULE TYPES PROVIDED</title>
<para>
All module types (<option>auth</option>, <option>account</option>,
<option>password</option> and <option>session</option>) are provided.
</para>
</refsect1>
<refsect1 xml:id="pam_debug-return_values">
<title>RETURN VALUES</title>
<variablelist>
<varlistentry>
<term>PAM_SUCCESS</term>
<listitem>
<para>
Default return code if no other value was specified,
else specified return value.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 xml:id="pam_debug-examples">
<title>EXAMPLES</title>
<programlisting>
auth requisite pam_permit.so
auth [success=2 default=ok] pam_debug.so auth=perm_denied cred=success
auth [default=reset] pam_debug.so auth=success cred=perm_denied
auth [success=done default=die] pam_debug.so
auth optional pam_debug.so auth=perm_denied cred=perm_denied
auth sufficient pam_debug.so auth=success cred=success
</programlisting>
</refsect1>
<refsect1 xml:id="pam_debug-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>7</manvolnum>
</citerefentry>
</para>
</refsect1>
<refsect1 xml:id="pam_debug-author">
<title>AUTHOR</title>
<para>
pam_debug was written by Andrew G. Morgan <morgan@kernel.org>.
</para>
</refsect1>
</refentry>
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