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	$fp = "/root/";

	$fn = "nmap.result";

	/* check if nmap scan is already running */

	$processcheck = (trim(shell_exec("/bin/ps axw -O pid= | /usr/bin/grep 'tee {$fp}{$fn}' | /usr/bin/egrep -v '(pflog|grep)'")));

	$processisrunning = ($processcheck != "");

	if ($processisrunning) {

		echo "<strong>NMap is already running. Please wait for current scan to complete</strong><br />";

		echo '<br /><br /><button class="btn btn-info" type="button" value="' . gettext("Back to NMap") . '" onclick="history.back()"><i class="fa fa-undo icon-embed-btn"></i> ' . gettext("Back to NMap") . '</button>';

	} else {

		$cmd = "/usr/local/bin/nmap {$nmap_options} | /usr/bin/tee {$fp}{$fn}";

		echo "<strong>Running: {$cmd}</strong><br />";

		mwexec_bg($cmd);

		echo "<strong>Check results in Results log TAB</strong><br />";

	}

++ b/src/usr/local/pkg/nmap.xml

	<tabs>

		<tab>

			<text>Scan</text>

			<url>/pkg_edit.php?xml=nmap.xml&amp;id=0</url>

			<active/>

		</tab>

		<tab>

			<text>Results log</text>

			<url>/nmap_view_results.php</url>

		</tab>

	</tabs>

++ b/src/usr/local/www/nmap_view_results.php

<?php

/*

 * nmap_view_results.php

 *

 * part of pfSense (https://www.pfsense.org)

 * Copyright (c) 2022-2022 Rubicon Communications, LLC (Netgate)

 * Copyright (C) 2022 Phil Wart <phytowardt@gmail.com>

 * All rights reserved.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

require("guiconfig.inc");

#require_once("pfsense-utils.inc");

require("/usr/local/pkg/nmap.inc");

$pgtitle = array("Package", "Diagnostics: NMap", "NMap Results");

require_once("head.inc");

$tab_array = array();

$tab_array[] = array("Scan", false, "/pkg_edit.php?xml=nmap.xml&id=0");

$tab_array[] = array("Results log", true, "/nmap_view_results.php");

display_top_tabs($tab_array);

$fp = "/root/";

$fn = "nmap.result";

$form = new Form(false);

$section = new Form_Section('NMap Scan Results:');

if (file_exists($fp.$fn)) {

	$section->addInput(new Form_StaticText(

		'Last scan completed on:',

		date("F jS, Y g:i:s a.", filemtime($fp.$fn))

	));

} else {

	$section->addInput(new Form_StaticText(

		'Last scan completed on:',

		'none'

	));

}

$form->add($section);

?>

<div class="panel panel-default">

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

	<div class="panel-body">

		<div class="form-group">

<?php

		print('<textarea class="form-control" rows="20" style="font-size: 13px; font-family: consolas,monaco,roboto mono,liberation mono,courier;">');

		$max_display_size = 50*1024*1024; // 50MB limit on GUI capture display. See https://redmine.pfsense.org/issues/9239

		if (file_exists($fp.$fn) && (filesize($fp.$fn) > $max_display_size)) {

			print(gettext("Nmap scan results file is too large to display in the GUI.") .

				"\n" .

				gettext("Download the file, or view it in the console or ssh shell.") .

				"\n" .

				gettext("Results file: {$fp}{$fn}"));

		} elseif (!file_exists($fp.$fn) || (filesize($fp.$fn) === 0)) {

			print(gettext("No nmap scan results to display."));

		} else {

			system("/bin/cat {$fp}{$fn}");

		}

		print('</textarea>');

?>

		</div>

	</div>

</div>

<?php

/* check if nmap scan is already running */

$processcheck = (trim(shell_exec("/bin/ps axw -O pid= | /usr/bin/grep 'tee {$fp}{$fn}' | /usr/bin/egrep -v '(pflog|grep)'")));

$processisrunning = ($processcheck != "");

if ($_POST) {

	if ($_POST['clearbtn'] != "") {

		$action = gettext("Clear log");

		//delete previous scan result if it exists

		if (file_exists($fp.$fn) and $processisrunning != true) {

			unlink ($fp.$fn);

			header("Refresh: 0");

		}

	} else if ($_POST['refreshbtn'] != "") {

		$action = gettext("Refresh results");

		header("Refresh: 0");

	}

}

if (file_exists($fp.$fn) and $processisrunning != true) {

	$group = new Form_Group('');

	$group->add(new Form_Button(

		'clearbtn',

		'Clear log',

		null,

		'fa-undo'

	))->setHelp('Clear scan results file.')->addClass('btn-danger restore');

	$section->add($group);

} else if ($processisrunning) {

		$group = new Form_Group('');

		$group->add(new Form_Button(

			'refreshbtn',

			' Refresh results',

			null,

			'fa-retweet'

		))->setHelp('Reload scan results.')->addClass('btn-success');

	$section->add($group);

}

print($form);

include("foot.inc");