pfSense

<?php

/*

	system_usermanager.php

*/

/* ====================================================================

 *	Copyright (c)  2004-2015  Electric Sheep Fencing, LLC. All rights reserved.

 *	Copyright (c)  2008 Shrew Soft Inc.

 *	Copyright (c)  2005 Paul Taylor <paultaylor@winn-dixie.com>

 *

 *	Some or all of this file is based on the m0n0wall project which is

 *	Copyright (c)  2004 Manuel Kasper (BSD 2 clause)

 *

 *	Redistribution and use in source and binary forms, with or without modification,

 *	are permitted provided that the following conditions are met:

 *

 *	1. Redistributions of source code must retain the above copyright notice,

 *		this list of conditions and the following disclaimer.

 *

 *	2. Redistributions in binary form must reproduce the above copyright

 *		notice, this list of conditions and the following disclaimer in

 *		the documentation and/or other materials provided with the

 *		distribution.

 *

 *	3. All advertising materials mentioning features or use of this software

 *		must display the following acknowledgment:

 *		"This product includes software developed by the pfSense Project

 *		 for use in the pfSense software distribution. (http://www.pfsense.org/).

 *

 *	4. The names "pfSense" and "pfSense Project" must not be used to

 *		 endorse or promote products derived from this software without

 *		 prior written permission. For written permission, please contact

 *		 coreteam@pfsense.org.

 *

 *	5. Products derived from this software may not be called "pfSense"

 *		nor may "pfSense" appear in their names without prior written

 *		permission of the Electric Sheep Fencing, LLC.

 *

 *	6. Redistributions of any form whatsoever must retain the following

 *		acknowledgment:

 *

 *	"This product includes software developed by the pfSense Project

 *	for use in the pfSense software distribution (http://www.pfsense.org/).

 *

 *	THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY

 *	EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 *	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 *	PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE pfSense PROJECT OR

 *	ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 *	SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 *	NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 *	LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 *	HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

 *	STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 *	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

 *	OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 *	====================================================================

 *

 */

##|+PRIV

##|*IDENT=page-system-usermanager

##|*NAME=System: User Manager

##|*DESCR=Allow access to the 'System: User Manager' page.

##|*MATCH=system_usermanager.php*

##|-PRIV

require("certs.inc");

require("guiconfig.inc");

// start admin user code

if (isset($_POST['userid']) && is_numericint($_POST['userid'])) {

	$id = $_POST['userid'];

}

if (isset($_GET['userid']) && is_numericint($_GET['userid'])) {

	$id = $_GET['userid'];

}

if (!isset($config['system']['user']) || !is_array($config['system']['user'])) {

	$config['system']['user'] = array();

}

$a_user = &$config['system']['user'];

$act = $_GET['act'];

if (isset($_SERVER['HTTP_REFERER'])) {

	$referer = $_SERVER['HTTP_REFERER'];

} else {

	$referer = '/system_usermanager.php';

}

if (isset($id) && $a_user[$id]) {

	$pconfig['usernamefld'] = $a_user[$id]['name'];

	$pconfig['descr'] = $a_user[$id]['descr'];

	$pconfig['expires'] = $a_user[$id]['expires'];

	$pconfig['groups'] = local_user_get_groups($a_user[$id]);

	$pconfig['utype'] = $a_user[$id]['scope'];

	$pconfig['uid'] = $a_user[$id]['uid'];

	$pconfig['authorizedkeys'] = base64_decode($a_user[$id]['authorizedkeys']);

	$pconfig['priv'] = $a_user[$id]['priv'];

	$pconfig['ipsecpsk'] = $a_user[$id]['ipsecpsk'];

	$pconfig['disabled'] = isset($a_user[$id]['disabled']);

}

if ($_GET['act'] == "deluser") {

	if (!isset($_GET['username']) || !isset($a_user[$id]) || ($_GET['username'] != $a_user[$id]['name'])) {

		pfSenseHeader("system_usermanager.php");

		exit;

	}

	conf_mount_rw();

	local_user_del($a_user[$id]);

	conf_mount_ro();

	$userdeleted = $a_user[$id]['name'];

	unset($a_user[$id]);

	write_config();

	$savemsg = sprintf(gettext("User %s successfully deleted."), $userdeleted);

} else if ($act == "new") {

	/*

	 * set this value cause the text field is read only

	 * and the user should not be able to mess with this

	 * setting.

	 */

	$pconfig['utype'] = "user";

	$pconfig['lifetime'] = 3650;

}

if (isset($_POST['dellall'])) {

	$del_users = $_POST['delete_check'];

	if (!empty($del_users)) {

		foreach ($del_users as $userid) {

			if (isset($a_user[$userid]) && $a_user[$userid]['scope'] != "system") {

				conf_mount_rw();

				local_user_del($a_user[$userid]);

 			    conf_mount_ro();

				unset($a_user[$userid]);

			}

		}

		$savemsg = gettext("Selected users removed successfully.");

		write_config($savemsg);

	}

}

if ($_POST['act'] == "delcert") {

	if (!$a_user[$id]) {

		pfSenseHeader("system_usermanager.php");

		exit;

	}

	$certdeleted = lookup_cert($a_user[$id]['cert'][$_POST['certid']]);

	$certdeleted = $certdeleted['descr'];

	unset($a_user[$id]['cert'][$_POST['certid']]);

	write_config();

	$_POST['act'] = "edit";

	$savemsg = sprintf(gettext("Certificate %s association removed."), $certdeleted);

}

if ($_POST['act'] == "delprivid") {

	$privdeleted = $priv_list[$a_user[$id]['priv'][$_POST['privid']]]['name'];

	unset($a_user[$id]['priv'][$_POST['privid']]);

	local_user_set($a_user[$id]);

	write_config();

	$_POST['act'] = "edit";

	$savemsg = sprintf(gettext("Privilege %s removed."), $privdeleted);

}

if ($_POST['save']) {

	unset($input_errors);

	$pconfig = $_POST;

	/* input validation */

	if (isset($id) && ($a_user[$id])) {

		$reqdfields = explode(" ", "usernamefld");

		$reqdfieldsn = array(gettext("Username"));

	} else {

		if (empty($_POST['name'])) {

			$reqdfields = explode(" ", "usernamefld passwordfld1");

			$reqdfieldsn = array(

				gettext("Username"),

				gettext("Password"));

		} else {

			$reqdfields = explode(" ", "usernamefld passwordfld1 name caref keylen lifetime");

			$reqdfieldsn = array(

				gettext("Username"),

				gettext("Password"),

				gettext("Descriptive name"),

				gettext("Certificate authority"),

				gettext("Key length"),

				gettext("Lifetime"));

		}

	}

	do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);

	if (preg_match("/[^a-zA-Z0-9\.\-_]/", $_POST['usernamefld'])) {

		$input_errors[] = gettext("The username contains invalid characters.");

	}

	if (strlen($_POST['usernamefld']) > 16) {

		$input_errors[] = gettext("The username is longer than 16 characters.");

	}

	if (($_POST['passwordfld1']) && ($_POST['passwordfld1'] != $_POST['passwordfld2'])) {

		$input_errors[] = gettext("The passwords do not match.");

	}

	if (isset($_POST['ipsecpsk']) && !preg_match('/^[[:ascii:]]*$/', $_POST['ipsecpsk'])) {

		$input_errors[] = gettext("IPsec Pre-Shared Key contains invalid characters.");

	}

	/* Check the POSTed groups to ensure they are valid and exist */

	if(is_array($_POST['groups'])) {

		foreach ($_POST['groups'] as $newgroup) {

			if (empty(getGroupEntry($newgroup))) {

				$input_errors[] = gettext("One or more invalid groups was submitted.");

			}

		}

	}

	if (isset($id) && $a_user[$id]) {

		$oldusername = $a_user[$id]['name'];

	} else {

		$oldusername = "";

	}

	/* make sure this user name is unique */

	if (!$input_errors) {

		foreach ($a_user as $userent) {

			if ($userent['name'] == $_POST['usernamefld'] && $oldusername != $_POST['usernamefld']) {

				$input_errors[] = gettext("Another entry with the same username already exists.");

				break;

			}

		}

	}

	/* also make sure it is not reserved */

	if (!$input_errors) {

		$system_users = explode("\n", file_get_contents("/etc/passwd"));

		foreach ($system_users as $s_user) {

			$ent = explode(":", $s_user);

			if ($ent[0] == $_POST['usernamefld'] && $oldusername != $_POST['usernamefld']) {

				$input_errors[] = gettext("That username is reserved by the system.");

				break;

			}

		}

	}

	/*

	 * Check for a valid expiration date if one is set at all (valid means,

	 * DateTime puts out a time stamp so any DateTime compatible time

	 * format may be used. to keep it simple for the enduser, we only

	 * claim to accept MM/DD/YYYY as inputs. Advanced users may use inputs

	 * like "+1 day", which will be converted to MM/DD/YYYY based on "now".

	 * Otherwise such an entry would lead to an invalid expiration data.

	 */

	if ($_POST['expires']) {

		try {

			$expdate = new DateTime($_POST['expires']);

			//convert from any DateTime compatible date to MM/DD/YYYY

			$_POST['expires'] = $expdate->format("m/d/Y");

		} catch (Exception $ex) {

			$input_errors[] = gettext("Invalid expiration date format; use MM/DD/YYYY instead.");

		}

	}

	if (!empty($_POST['name'])) {

		$ca = lookup_ca($_POST['caref']);

		if (!$ca) {

			$input_errors[] = gettext("Invalid internal Certificate Authority") . "\n";

		}

	}

	/* if this is an AJAX caller then handle via JSON */

	if (isAjax() && is_array($input_errors)) {

		input_errors2Ajax($input_errors);

		exit;

	}

	if (!$input_errors) {

		conf_mount_rw();

		$userent = array();

		if (isset($id) && $a_user[$id]) {

			$userent = $a_user[$id];

		}

		isset($_POST['utype']) ? $userent['scope'] = $_POST['utype'] : $userent['scope'] = "system";

		/* the user name was modified */

		if (!empty($_POST['oldusername']) && ($_POST['usernamefld'] <> $_POST['oldusername'])) {

			$_SERVER['REMOTE_USER'] = $_POST['usernamefld'];

			local_user_del($userent);

		}

		/* the user password was modified */

		if ($_POST['passwordfld1']) {

			local_user_set_password($userent, $_POST['passwordfld1']);

		}

		/* only change description if sent */

		if (isset($_POST['descr'])) {

			$userent['descr'] = $_POST['descr'];

		}

		$userent['name'] = $_POST['usernamefld'];

		$userent['expires'] = $_POST['expires'];

		$userent['authorizedkeys'] = base64_encode($_POST['authorizedkeys']);

		$userent['ipsecpsk'] = $_POST['ipsecpsk'];

		if ($_POST['disabled']) {

			$userent['disabled'] = true;

		} else {

			unset($userent['disabled']);

		}

		if (isset($id) && $a_user[$id]) {

			$a_user[$id] = $userent;

		} else {

			if (!empty($_POST['name'])) {

				$cert = array();

				$cert['refid'] = uniqid();

				$userent['cert'] = array();

				$cert['descr'] = $_POST['name'];

				$subject = cert_get_subject_array($ca['crt']);

				$dn = array(

					'countryName' => $subject[0]['v'],

					'stateOrProvinceName' => $subject[1]['v'],

					'localityName' => $subject[2]['v'],

					'organizationName' => $subject[3]['v'],

					'emailAddress' => $subject[4]['v'],

					'commonName' => $userent['name']);

				cert_create($cert, $_POST['caref'], $_POST['keylen'],

					(int)$_POST['lifetime'], $dn);

				if (!is_array($config['cert'])) {

					$config['cert'] = array();

				}

				$config['cert'][] = $cert;

				$userent['cert'][] = $cert['refid'];

			}

			$userent['uid'] = $config['system']['nextuid']++;

			/* Add the user to All Users group. */

			foreach ($config['system']['group'] as $gidx => $group) {

				if ($group['name'] == "all") {

					if (!is_array($config['system']['group'][$gidx]['member'])) {

						$config['system']['group'][$gidx]['member'] = array();

					}

					$config['system']['group'][$gidx]['member'][] = $userent['uid'];

					break;

				}

			}

			$a_user[] = $userent;

		}

		/* Add user to groups so PHP can see the memberships properly or else the user's shell account does not get proper permissions (if applicable) See #5152. */

		local_user_set_groups($userent, $_POST['groups']);

		local_user_set($userent);

		/* Add user to groups again to ensure they are set everywhere, otherwise the user may not appear to be a member of the group. See commit:5372d26d9d25d751d16865ed9d46869d3b0ec5e1. */

		local_user_set_groups($userent, $_POST['groups']);

		write_config();

		if (is_dir("/etc/inc/privhooks")) {

			run_plugins("/etc/inc/privhooks");

		}

		conf_mount_ro();

		pfSenseHeader("system_usermanager.php");

	}

}

function build_priv_table() {

	global $a_user, $id;

	$privhtml = '<div class="table-responsive">';

	$privhtml .=	'<table class="table table-striped table-hover table-condensed">';

	$privhtml .=		'<thead>';

	$privhtml .=			'<tr>';

	$privhtml .=				'<th>' . gettext('Inherited from') . '</th>';

	$privhtml .=				'<th>' . gettext('Name') . '</th>';

	$privhtml .=				'<th>' . gettext('Description') . '</th>';

	$privhtml .=				'<th>' . gettext('Action') . '</th>';

	$privhtml .=			'</tr>';

	$privhtml .=		'</thead>';

	$privhtml .=		'<tbody>';

	$i = 0;

	foreach (get_user_privdesc($a_user[$id]) as $priv) {

		$group = false;

		if ($priv['group']) {

			$group = $priv['group'];

		}

		$privhtml .=		'<tr>';

		$privhtml .=			'<td>' . htmlspecialchars($priv['group']) . '</td>';

		$privhtml .=			'<td>' . htmlspecialchars($priv['name']) . '</td>';

		$privhtml .=			'<td>' . htmlspecialchars($priv['descr']) . '</td>';

		$privhtml .=			'<td>';

		if (!$group) {

			$privhtml .=			'<a class="fa fa-trash no-confirm icon-pointer" title="' . gettext('Delete Privilege') . '" id="delprivid' . $i . '"></a>';

		}

		$privhtml .=			'</td>';

		$privhtml .=		'</tr>';

		if (!$group) {

			$i++;

		}

	}

	$privhtml .=		'</tbody>';

	$privhtml .=	'</table>';

	$privhtml .= '</div>';

	$privhtml .= '<nav class="action-buttons">';

	$privhtml .=	'<a href="system_usermanager_addprivs.php?userid=' . $id . '" class="btn btn-success"><i class="fa fa-plus icon-embed-btn"></i>' . gettext("Add") . '</a>';

	$privhtml .= '</nav>';

	return($privhtml);

}

function build_cert_table() {

	global $a_user, $id;

	$certhtml = '<div class="table-responsive">';

	$certhtml .=	'<table class="table table-striped table-hover table-condensed">';

	$certhtml .=		'<thead>';

	$certhtml .=			'<tr>';

	$certhtml .=				'<th>' . gettext('Name') . '</th>';

	$certhtml .=				'<th>' . gettext('CA') . '</th>';

	$certhtml .=				'<th></th>';

	$certhtml .=			'</tr>';

	$certhtml .=		'</thead>';

	$certhtml .=		'<tbody>';

	$a_cert = $a_user[$id]['cert'];

	if (is_array($a_cert)) {

		$i = 0;

		foreach ($a_cert as $certref) {

			$cert = lookup_cert($certref);

			$ca = lookup_ca($cert['caref']);

			$revokedstr =	is_cert_revoked($cert) ? '<b> Revoked</b>':'';

			$certhtml .=	'<tr>';

			$certhtml .=		'<td>' . htmlspecialchars($cert['descr']) . $revokedstr . '</td>';

			$certhtml .=		'<td>' . htmlspecialchars($ca['descr']) . '</td>';

			$certhtml .=		'<td>';

			$certhtml .=			'<a id="delcert' . $i .'" class="fa fa-trash no-confirm icon-pointer" title="';

			$certhtml .=			gettext('Remove this certificate association? (Certificate will not be deleted)') . '"></a>';

			$certhtml .=		'</td>';

			$certhtml .=	'</tr>';

			$i++;

		}

	}

	$certhtml .=		'</tbody>';

	$certhtml .=	'</table>';

	$certhtml .= '</div>';

	$certhtml .= '<nav class="action-buttons">';

	$certhtml .=	'<a href="system_certmanager.php?act=new&amp;userid=' . $id . '" class="btn btn-success"><i class="fa fa-plus icon-embed-btn"></i>' . gettext("Add") . '</a>';

	$certhtml .= '</nav>';

	return($certhtml);

}

$pgtitle = array(gettext("System"), gettext("User Manager"), gettext("Users"));

if ($act == "new" || $act == "edit" || $input_errors) {

	$pgtitle[] = gettext('Edit');

}

include("head.inc");

if ($input_errors) {

	print_input_errors($input_errors);

}

if ($savemsg) {

	print_info_box($savemsg, 'success');

}

$tab_array = array();

$tab_array[] = array(gettext("Users"), true, "system_usermanager.php");

$tab_array[] = array(gettext("Groups"), false, "system_groupmanager.php");

$tab_array[] = array(gettext("Settings"), false, "system_usermanager_settings.php");

$tab_array[] = array(gettext("Authentication Servers"), false, "system_authservers.php");

display_top_tabs($tab_array);

if (!($act == "new" || $act == "edit" || $input_errors)) {

?>

<form method="post">

<div class="panel panel-default">

	<div class="panel-heading"><h2 class="panel-title"><?=gettext('Users')?></h2></div>

	<div class="panel-body">

		<div class="table-responsive">

			<table class="table table-striped table-hover table-condensed sortable-theme-bootstrap" data-sortable>

				<thead>

					<tr>

						<th>&nbsp;</th>

						<th><?=gettext("Username")?></th>

						<th><?=gettext("Full name")?></th>

						<th><?=gettext("Disabled")?></th>

						<th><?=gettext("Groups")?></th>

						<th><?=gettext("Actions")?></th>

					</tr>

				</thead>

				<tbody>

<?php

foreach ($a_user as $i => $userent):

	?>

					<tr>

						<td>

							<input type="checkbox" id="frc<?=$i?>" name="delete_check[]" value="<?=$i?>" <?=($userent['scope'] == "system" ? 'disabled' : '')?>/>

						</td>

						<td>

<?php

	if ($userent['scope'] != "user") {

		$usrimg = 'eye-open';

	} else {

		$usrimg = 'user';

	}

?>

							<i class="fa fa-<?=$usrimg?>"></i>

							<?=htmlspecialchars($userent['name'])?>

						</td>

						<td><?=htmlspecialchars($userent['descr'])?></td>

						<td><?php if (isset($userent['disabled'])) echo "*"?></td>

						<td><?=implode(",", local_user_get_groups($userent))?></td>

						<td>

							<a class="fa fa-pencil" title="<?=gettext("Edit user"); ?>" href="?act=edit&amp;userid=<?=$i?>"></a>

<?php if ($userent['scope'] != "system"): ?>

							<a class="fa fa-trash"	title="<?=gettext("Delete user")?>" href="?act=deluser&amp;userid=<?=$i?>&amp;username=<?=$userent['name']?>"></a>

<?php endif; ?>

						</td>

					</tr>

<?php endforeach; ?>

				</tbody>

			</table>

		</div>

	</div>

</div>

<nav class="action-buttons">

	<a href="?act=new" class="btn btn-sm btn-success">

		<i class="fa fa-plus icon-embed-btn"></i>

		<?=gettext("Add")?>

	</a>

	<button type="submit" class="btn btn-sm btn-danger" name="dellall" value="dellall" title="<?=gettext('Delete selected users')?>">

		<i class="fa fa-trash icon-embed-btn"></i>

		<?=gettext("Delete")?>

	</button>

</nav>

</form>

<div class="infoblock">

<?php

	print_callout('<p>' . gettext("Additional users can be added here. User permissions for accessing " .

		"the webConfigurator can be assigned directly or inherited from group memberships. " .

		"Some system object properties can be modified but they cannot be deleted.") . '</p>' .

		'<p>' . gettext("Accounts added here are also used for other parts of the system " .

		"such as OpenVPN, IPsec, and Captive Portal.") . '</p>'

	);

?></div><?php

	include("foot.inc");

	exit;

}

$form = new Form;

if ($act == "new" || $act == "edit" || $input_errors):

	$form->addGlobal(new Form_Input(

		'act',

		null,

		'hidden',

		''

	));

	$form->addGlobal(new Form_Input(

		'userid',

		null,

		'hidden',

		isset($id) ? $id:''

	));

	$form->addGlobal(new Form_Input(

		'privid',

		null,

		'hidden',

		''

	));

	$form->addGlobal(new Form_Input(

		'certid',

		null,

		'hidden',

		''

	));

	$ro = "";

	if ($pconfig['utype'] == "system") {

		$ro = "readonly";

	}

	$section = new Form_Section('User Properties');

	$section->addInput(new Form_StaticText(

		'Defined by',

		strtoupper($pconfig['utype'])

	));

	$form->addGlobal(new Form_Input(

		'utype',

		null,

		'hidden',

		$pconfig['utype']

	));

	$section->addInput(new Form_Checkbox(

		'disabled',

		'Disabled',

		'This user cannot login',

		$pconfig['disabled']

	));

	$section->addInput($input = new Form_Input(

		'usernamefld',

		'Username',

		'text',

		$pconfig['usernamefld']

	));

	if ($ro) {

		$input->setReadonly();

	}

	$form->addGlobal(new Form_Input(

		'oldusername',

		null,

		'hidden',

		$pconfig['usernamefld']

	));

	$group = new Form_Group('Password');

	$group->add(new Form_Input(

		'passwordfld1',

		'Password',

		'password'

	));

	$group->add(new Form_Input(

		'passwordfld2',

		'Confirm Password',

		'password'

	));

	$section->add($group);

	$section->addInput($input = new Form_Input(

		'descr',

		'Full name',

		'text',

		htmlspecialchars($pconfig['descr'])

	))->setHelp('User\'s full name, for administrative information only');

	if ($ro) {

		$input->setDisabled();

	}

	$section->addInput(new Form_Input(

		'expires',

		'Expiration date',

		'text',

		$pconfig['expires']

	))->setHelp('Leave blank if the account shouldn\'t expire, otherwise enter '.

		'the expiration date');

	// ==== Group membership ==================================================

	$group = new Form_Group('Group membership');

	// Make a list of all the groups configured on the system, and a list of

	// those which this user is a member of

	$systemGroups = array();

	$usersGroups = array();

	$usergid = [$pconfig['usernamefld']];

	foreach ($config['system']['group'] as $Ggroup) {

		if ($Ggroup['name'] != "all") {

			if (($act == 'edit') && $Ggroup['member'] && in_array($pconfig['uid'], $Ggroup['member'])) {

				$usersGroups[ $Ggroup['name'] ] = $Ggroup['name'];	// Add it to the user's list

			} else {

				$systemGroups[ $Ggroup['name'] ] = $Ggroup['name']; // Add it to the 'not a member of' list

			}

		}

	}

	$group->add(new Form_Select(

		'sysgroups',

		null,

		array_combine((array)$pconfig['groups'], (array)$pconfig['groups']),

		$systemGroups,

		true

	))->setHelp('Not member of');

	$group->add(new Form_Select(

		'groups',

		null,

		array_combine((array)$pconfig['groups'], (array)$pconfig['groups']),

		$usersGroups,

		true

	))->setHelp('Member of');

	$section->add($group);

	$group = new Form_Group('');

	$group->add(new Form_Button(

		'movetoenabled',

		'Move to "Member of" list',

		null,

		'fa-angle-double-right'

	))->setAttribute('type','button')->removeClass('btn-primary')->addClass('btn-info btn-sm');

	$group->add(new Form_Button(

		'movetodisabled',

		'Move to "Not member of" list',

		null,

		'fa-angle-double-left'

	))->setAttribute('type','button')->removeClass('btn-primary')->addClass('btn-info btn-sm');

	$group->setHelp('Hold down CTRL (PC)/COMMAND (Mac) key to select multiple items.');

	$section->add($group);

	// ==== Button for adding user certificate ================================

	if ($act == 'new') {

		$section->addInput(new Form_Checkbox(

			'showcert',

			'Certificate',

			'Click to create a user certificate',

			false

		));

	}

	$form->add($section);

	// ==== Effective privileges section ======================================

	if (isset($pconfig['uid'])) {

		// We are going to build an HTML table and add it to an Input_StaticText. It may be ugly, but it

		// is the best way to make the display we need.

		$section = new Form_Section('Effective Privileges');

		$section->addInput(new Form_StaticText(

			null,

			build_priv_table()

		));

		$form->add($section);

		// ==== Certificate table section =====================================

		$section = new Form_Section('User Certificates');

		$section->addInput(new Form_StaticText(

			null,

			build_cert_table()

		));

		$form->add($section);

	}

	// ==== Add user certificate for a new user

	if (is_array($config['ca']) && count($config['ca']) > 0) {

		$section = new Form_Section('Create Certificate for User');

		$section->addClass('cert-options');

		$nonPrvCas = array();

		foreach($config['ca'] as $ca) {

			if (!$ca['prv']) {

				continue;

			}

			$nonPrvCas[ $ca['refid'] ] = $ca['descr'];

		}

		if (!empty($nonPrvCas)) {

			$section->addInput(new Form_Input(

				'name',

				'Descriptive name',

				'text',

				$pconfig['name']

			));

			$section->addInput(new Form_Select(

				'caref',

				'Certificate authority',

				null,

				$nonPrvCas

			));

			$section->addInput(new Form_Select(

				'keylen',

				'Key length',

				2048,

				array(

					512 => '512 bits',

					1024 => '1024 bits',

					2048 => '2048 bits',

					4096 => '4096 bits',

				)

			));

			$section->addInput(new Form_Input(

				'lifetime',

				'Lifetime',

				'number',

				$pconfig['lifetime']

			));

		}

		$form->add($section);

	}

endif;

// ==== Paste a key for the new user

$section = new Form_Section('Keys');

$section->addInput(new Form_Checkbox(

	'showkey',

	'Authorized keys',

	'Click to paste an authorized key',

	false

));

$section->addInput(new Form_Textarea(

	'authorizedkeys',

	'Authorized SSH Keys',

	$pconfig['authorizedkeys']

))->setHelp('Enter authorized SSH keys for this user');