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<refentry id='pam_sm_open_session'>
  <refmeta>
    <refentrytitle>pam_sm_open_session</refentrytitle>
    <manvolnum>3</manvolnum>
    <refmiscinfo class='setdesc'>Linux-PAM Manual</refmiscinfo>
  </refmeta>

  <refnamediv id="pam_sm_open_session-name">
    <refname>pam_sm_open_session</refname>
    <refpurpose>PAM service function to start session management</refpurpose>
  </refnamediv>

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  <refsynopsisdiv>
    <funcsynopsis id='pam_sm_open_session-synopsis'>
      <funcsynopsisinfo>#define PAM_SM_SESSION</funcsynopsisinfo>
      <funcsynopsisinfo>#include &lt;security/pam_modules.h&gt;</funcsynopsisinfo>
      <funcprototype>
        <funcdef>int <function>pam_sm_open_session</function></funcdef>
        <paramdef>pam_handle_t *<parameter>pamh</parameter></paramdef>
        <paramdef>int <parameter>flags</parameter></paramdef>
        <paramdef>int <parameter>argc</parameter></paramdef>
        <paramdef>const char **<parameter>argv</parameter></paramdef>
      </funcprototype>
    </funcsynopsis>
  </refsynopsisdiv>


  <refsect1 id='pam_sm_open_session-description'>
    <title>DESCRIPTION</title>
    <para>
      The <function>pam_sm_open_session</function> function is the service
      module's implementation of the
      <citerefentry>
        <refentrytitle>pam_open_session</refentrytitle><manvolnum>3</manvolnum>
      </citerefentry> interface.
    </para>
    <para>
      This function is called to commence a session. The only valid
      value for <varname role='parameter'>flags</varname> is zero or:
    </para>
    <variablelist>
      <varlistentry>
        <term>PAM_SILENT</term>
        <listitem>
           <para>
             Do not emit any messages.
          </para>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsect1>

  <refsect1 id="pam_sm_open_session-return_values">
    <title>RETURN VALUES</title>
    <variablelist>
      <varlistentry>
        <term>PAM_SESSION_ERR</term>
        <listitem>
          <para>
            Cannot make/remove an entry for the specified session.
          </para>
        </listitem>
      </varlistentry>
      <varlistentry>
        <term>PAM_SUCCESS</term>
        <listitem>
           <para>
             The session was successfully started.
          </para>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsect1>

  <refsect1 id='pam_sm_open_session-see_also'>
    <title>SEE ALSO</title>
    <para>
      <citerefentry>
        <refentrytitle>pam</refentrytitle><manvolnum>3</manvolnum>
      </citerefentry>,
      <citerefentry>
        <refentrytitle>pam_open_session</refentrytitle><manvolnum>3</manvolnum>
      </citerefentry>,
      <citerefentry>
        <refentrytitle>pam_sm_close_session</refentrytitle><manvolnum>3</manvolnum>
      </citerefentry>,
      <citerefentry>
        <refentrytitle>pam_strerror</refentrytitle><manvolnum>3</manvolnum>
      </citerefentry>,
      <citerefentry>
        <refentrytitle>PAM</refentrytitle><manvolnum>8</manvolnum>
      </citerefentry>
    </para>
  </refsect1>
</refentry>