FM / lib

/home/altere25/infinet.finance/wp-content/plugins/ninjafirewall/lib/

/home/altere25/infinet.finance/wp-content/plugins/ninjafirewall/lib

Name	Size	Mode	Actions
share/	-	0755	rm
.htaccess	378	0644	edit dl rm
anti_malware.php	2651	0644	edit dl rm
custom_firewall.php	1944	0644	edit dl rm
custom_plugin.php	1940	0644	edit dl rm
dashboard.php	23688	0644	edit dl rm
dashboard_about.php	2727	0644	edit dl rm
dashboard_statistics.php	7349	0644	edit dl rm
email_sodium.php	7163	0644	edit dl rm
events.php	11423	0644	edit dl rm
event_notifications.php	19428	0644	edit dl rm
event_updates.php	9358	0644	edit dl rm
firewall.php	63385	0644	edit dl rm
firewall_options.php	17262	0644	edit dl rm
firewall_policies.php	71987	0644	edit dl rm
fw_centlog.php	2422	0644	edit dl rm
fw_fileguard.php	3689	0644	edit dl rm
fw_livelog.php	5684	0644	edit dl rm
help.php	48586	0644	edit dl rm
i18n-extra.php	31021	0644	edit dl rm
index.html	83	0644	edit dl rm
init_update.php	7541	0644	edit dl rm
install.php	12381	0644	edit dl rm
install_default.php	10526	0644	edit dl rm
loader.php	547	0644	edit dl rm
login_protection.php	23121	0644	edit dl rm
logs.php	3354	0644	edit dl rm
logs_firewall_log.php	11797	0644	edit dl rm
logs_live_log.php	20285	0644	edit dl rm
monitoring.php	3156	0644	edit dl rm
monitoring_file_check.php	29185	0644	edit dl rm
monitoring_file_guard.php	6218	0644	edit dl rm
network.php	3447	0644	edit dl rm
nfw_log.php	4225	0644	edit dl rm
scheduled_tasks.php	5599	0644	edit dl rm
security_rules.php	2859	0644	edit dl rm
security_rules_editor.php	7315	0644	edit dl rm
security_rules_update.php	20309	0644	edit dl rm
sign.pub	801	0644	edit dl rm
thickbox.php	20799	0644	edit dl rm
utils.php	57670	0644	edit dl rm
widget.php	4828	0644	edit dl rm
wpplus.php	17521	0644	edit dl rm

Edit: /home/altere25/infinet.finance/wp-content/plugins/ninjafirewall/lib/monitoring_file_check.php (29185B)

<?php
/*
 +---------------------------------------------------------------------+
 | NinjaFirewall (WP Edition)                                          |
 |                                                                     |
 | (c) NinTechNet - https://nintechnet.com/                            |
 +---------------------------------------------------------------------+
 | This program is free software: you can redistribute it and/or       |
 | modify it under the terms of the GNU General Public License as      |
 | published by the Free Software Foundation, either version 3 of      |
 | the License, or (at your option) any later version.                 |
 |                                                                     |
 | This program is distributed in the hope that it will be useful,     |
 | but WITHOUT ANY WARRANTY; without even the implied warranty of      |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the       |
 | GNU General Public License for more details.                        |
 +---------------------------------------------------------------------+ i18n+ / sa / 2
*/

if (! defined('NFW_ENGINE_VERSION') ) { die('Forbidden'); }

$log_dir				= NFW_LOG_DIR . '/nfwlog/cache/';
$nfmon_snapshot	= $log_dir . 'nfilecheck_snapshot.php';
$nfmon_diff			= $log_dir . 'nfilecheck_diff.php';
$err					= '';
$success				= '';

// Scheduled scan ?
if (defined('NFSCANDO') ) {

$snapproc = nf_fc_metrics('start');
	$err = nf_sub_monitoring_scan($nfmon_snapshot, $nfmon_diff );
	if (! empty( $err ) ) {
		nfw_log_error( $err );
	}
	$nfw_options = nfw_get_option('nfw_options');
	if (empty($nfw_options['enabled']) ) { return; }
	$nfw_options['snapproc'] = nf_fc_metrics('stop', $snapproc );
	nfw_update_option('nfw_options', $nfw_options);

// Changes detected :
	if (! $err && file_exists($nfmon_diff) ) {
		nf_scan_email($nfmon_diff, $log_dir);
	// No changes detected :
	} else {
		// Always send a report after a scan ?
		if (! empty($nfw_options['report_scan']) ) {
			nf_scan_email(0, 0);
		}
	}
	return;
}

// Block immediately if user is not allowed :
nf_not_allowed( 'block', __LINE__ );

if (! empty($_REQUEST['nfw_act'])) {
	if ( empty($_POST['nfwnonce']) || ! wp_verify_nonce($_POST['nfwnonce'], 'filecheck_save') ) {
		wp_nonce_ays('filecheck_save');
	}
	if ( $_REQUEST['nfw_act'] == 'create') {
		if (! $err = nf_sub_monitoring_create($nfmon_snapshot) ) {
			$success = __('Snapshot successfully created.', 'ninjafirewall');
			if (file_exists($nfmon_diff) ) {
				unlink($nfmon_diff);
			}
		}
	} elseif ( $_REQUEST['nfw_act'] == 'delete') {
		// Delete de current snapshot file :
		if (file_exists($nfmon_snapshot) ) {
			unlink ($nfmon_snapshot);
			$success = __('Snapshot file successfully deleted.', 'ninjafirewall');
			// Remove old diff file as well :
			if ( file_exists($nfmon_diff . '.php') ) {
				unlink($nfmon_diff . '.php');
			}
			// Clear scheduled scan (if any) and its options :
			if ( wp_next_scheduled('nfscanevent') ) {
				wp_clear_scheduled_hook('nfscanevent');
			}
			$nfw_options = nfw_get_option('nfw_options');
			$nfw_options['report_scan'] = 0;
			$nfw_options['sched_scan'] = 0;
			nfw_update_option('nfw_options', $nfw_options);
		}
	} elseif ( $_REQUEST['nfw_act'] == 'scan') {
		// Scan disk for changes :
		if (! file_exists($nfmon_snapshot) ) {
			$err = __('You must create a snapshot first.', 'ninjafirewall');
		} else {

$snapproc = nf_fc_metrics('start');
			$err = nf_sub_monitoring_scan($nfmon_snapshot, $nfmon_diff);
			if (! empty( $err ) ) {
				nfw_log_error( $err );
			}
			$nfw_options = nfw_get_option('nfw_options');
			$nfw_options['snapproc'] = nf_fc_metrics('stop', $snapproc );
			nfw_update_option('nfw_options', $nfw_options);

if (! $err) {
				if (file_exists($nfmon_diff) ) {
					$err =  __('NinjaFirewall detected that changes were made to your files.', 'ninjafirewall');
					$changes = 1;
				} else {
					$success =  __('No changes detected.', 'ninjafirewall');
				}
			}
		}
	} elseif ( $_REQUEST['nfw_act'] == 'scheduled') {
		nf_scheduled_scan();
		$success = __('Your changes have been saved.', 'ninjafirewall');
	}
}

$nfw_options = nfw_get_option('nfw_options');

if ( empty($nfw_options['snapdir']) ) {
	$nfw_options['snapdir'] = '';
	if ( file_exists($nfmon_snapshot) ) {
		unlink($nfmon_snapshot);
	}
}
if (! isset($nfw_options['snapexclude']) ) {
	$nfw_options['snapexclude'] = '/'. basename(WP_CONTENT_DIR) .'/nfwlog/';
	if ( is_dir( WP_CONTENT_DIR .'/ninjascanner/' ) ) {
		$nfw_options['snapexclude'] .= ',/'. basename(WP_CONTENT_DIR) .'/ninjascanner/';
	}
}

if ( $err ) {
	echo '<div class="error notice is-dismissible"><p>' . $err . '</p></div>';
} elseif ( $success ) {
	echo '<div class="updated notice is-dismissible"><p>' . $success . '</p></div>';
}

// If we don't have a snapshopt, offer to create one :
if (! file_exists($nfmon_snapshot) ) {
	?>
	<div class="nfw-notice nfw-notice-orange">
		<p><?php _e('File Check lets you perform file integrity monitoring upon request or on a specific interval. To start, create a snapshot of your files by clicking the button below.', 'ninjafirewall' ) ?></p>
	</div>

<form method="post" name="monitor_form">
		<?php wp_nonce_field('filecheck_save', 'nfwnonce', 0); ?>
		<table class="form-table nfw-table">
			<tr>
				<th scope="row" class="row-med"><?php _e('Create a snapshot of all files stored in that directory', 'ninjafirewall') ?></th>
				<td><input class="large-text" type="text" name="snapdir" value="<?php
				if (! empty($nfw_options['snapdir']) ) {
					echo htmlspecialchars($nfw_options['snapdir']);
				} else {
					echo htmlspecialchars(ABSPATH);
				}
				?>" required />
				<p class="description"><?php printf( __('Default: %s', 'ninjafirewall'), htmlentities( rtrim( ABSPATH, '/\\ ' ) ) ) ?></p>
				</td>
			</tr>

<tr>
				<th scope="row" class="row-med"><?php _e('Exclude the following files/folders (optional)', 'ninjafirewall') ?></th>
				<td><input class="large-text" type="text" name="snapexclude" value="<?php echo htmlentities($nfw_options['snapexclude']); ?>" placeholder="<?php _e('e.g.,', 'ninjafirewall') ?> /wp-content/nfwlog/" maxlength="255"><br /><p class="description"><?php _e('Full or partial case-sensitive string(s). Multiple values must be comma-separated', 'ninjafirewall') ?> (<code>,</code>).</p></td>
			</tr>

</table>
		<input type="hidden" name="nfw_act" value="create" />
		<p><input type="submit" class="button-primary" value="<?php _e('Create Snapshot', 'ninjafirewall') ?>" /></p>
		<input type="hidden" name="tab" value="filecheck" />
	</form>
	<?php
	return;
}

// We have a snapshot :
$stat = stat($nfmon_snapshot);
$count = -2;
$fh = fopen($nfmon_snapshot, 'r');
while (! feof($fh) ) {
	fgets($fh);
	++$count;
}
fclose($fh);
// Look for new/mod/del files :
$res = $new_file = $del_file = $mod_file = array();
// If no changes were detected, we display the last ones (if any) :
if (! file_exists($nfmon_diff) && file_exists($nfmon_diff . '.php') ) {
	$nfmon_diff = $nfmon_diff . '.php';
}
if (file_exists($nfmon_diff) ) {
	$fh = fopen($nfmon_diff, 'r');
	while (! feof($fh) ) {
		$res = explode('::', fgets($fh) );
		if ( empty($res[1]) ) { continue; }
		// New file :
		if ($res[1] == 'N') {
			$s_tmp = explode(':', rtrim($res[2]));
			$new_file[$res[0]] = $s_tmp[0] .':'.
				$s_tmp[1] .':'.
				$s_tmp[2] .':'.
				$s_tmp[3] .':'.
				date('Y-m-d H~i~s O', $s_tmp[4]) .':'.
				date('Y-m-d H~i~s O', $s_tmp[5]);
		// Deleted file :
		} elseif ($res[1] == 'D') {
			$del_file[$res[0]] = 1;
		// Modified file:
		} elseif ($res[1] == 'M') {
			$s_tmp = explode(':', $res[2]);
			$mod_file[$res[0]] = $s_tmp[0] .':'.
				$s_tmp[1] .':'.
				$s_tmp[2] .':'.
				$s_tmp[3] .':'.
				date('Y-m-d H~i~s O', $s_tmp[4]) .':'.
				date('Y-m-d H~i~s O', $s_tmp[5]) .'::';
				$s_tmp = explode(':', rtrim($res[3]));
			$mod_file[$res[0]] .= $s_tmp[0] .':'.
				$s_tmp[1] .':'.
				$s_tmp[2] .':'.
				$s_tmp[3] .':'.
				date('Y-m-d H~i~s O', $s_tmp[4]) .':'.
				date('Y-m-d H~i~s O', $s_tmp[5]);
		}
	}
	fclose($fh);
	$mod = 1;
} else {
	$mod = 0;
}
?>
	<table class="form-table nfw-table">
		<tr>
			<th scope="row" class="row-med"><?php _e('Last snapshot', 'ninjafirewall') ?></th>
			<td>
				<p><?php printf( __('Created on: %s', 'ninjafirewall'), date_i18n('M d, Y @ H:i:s O', $stat['ctime'])); ?></p>
				<p><?php printf( __('Total files: %s ', 'ninjafirewall'), number_format_i18n($count) ); ?></p>

<p><?php _e('Directory:', 'ninjafirewall') ?> <code><?php echo htmlspecialchars($nfw_options['snapdir']) ?></code></p>
				<?php
				if (! empty($nfw_options['snapexclude']) ) {
					$res = @explode(',', $nfw_options['snapexclude']);
					echo '<p>' .  __('Exclusion:', 'ninjafirewall') . ' ';
					foreach ($res as $exc) {
						echo '<code>' . htmlspecialchars($exc) . '</code>&nbsp;';
					}
					echo '</p>';
				}
				echo	'<p>' .  __('Symlinks:', 'ninjafirewall') . ' ';
				if ( empty($nfw_options['snapnoslink']) ) {
					echo __('follow', 'ninjafirewall');
				} else {
					echo __('do not follow', 'ninjafirewall');
				}
				echo '</p>';
				if (! empty($nfw_options['snapproc']) ) {
					echo '<p>' . sprintf( __('Processing time: %s seconds', 'ninjafirewall'), $nfw_options['snapproc']) . '</p>';
				}
				?>
				<form method="post">
					<?php wp_nonce_field('filecheck_save', 'nfwnonce', 0); ?>
					<p><input type="submit" name="dlsnap" value="<?php _e('Download Snapshot', 'ninjafirewall') ?>" class="button-secondary" />&nbsp;&nbsp;&nbsp;<input type="submit" class="button-secondary" onClick="return nfwjs_del_snapshot();" value="<?php _e('Delete Snapshot', 'ninjafirewall') ?>" /><input type="hidden" name="nfw_act" value="delete" /></p>
					<input type="hidden" name="tab" value="filecheck" />
				</form>
			</td>
		</tr>
		<tr>
			<th scope="row" class="row-med"><?php _e('Last changes', 'ninjafirewall') ?></th>
			<td>

<?php
			// Show info about last changes, if any :
			if ($mod) {
			?>
				<p><?php printf( __('New files: %s', 'ninjafirewall'), count($new_file) ) ?></p>
				<p><?php printf( __('Deleted files: %s', 'ninjafirewall'), count($del_file) ) ?></p>
				<p><?php printf( __('Modified files: %s', 'ninjafirewall'), count($mod_file) ) ?></p>

<form method="post">
					<?php wp_nonce_field('filecheck_save', 'nfwnonce', 0); ?>
					<p><input type="button" value="<?php _e('View Changes', 'ninjafirewall') ?>" onClick="nfwjs_show_changes();" class="button-secondary" id="vcbtn" <?php
					if (! empty($changes)) {
						echo 'disabled="disabled" ';
					}
					?>/>&nbsp;&nbsp;&nbsp;<input type="submit" name="dlmods" value="<?php _e('Download Changes', 'ninjafirewall') ?>" class="button-secondary" /></p>
				</form>
				<br />
			<?php
				if (empty($changes)) {
					echo '<div id="changes_table" style="display:none">';
				} else {
					echo '<div id="changes_table">';
				}

echo '<table border="0" width="100%">';

$more_info = __('Click a file to get more info about it.', 'ninjafirewall');
				if ($new_file) {
					echo '<tr><td>';
					echo __('New files:', 'ninjafirewall') . ' ' . count($new_file). '<br />';
					echo '<select id="select-1" name="sometext" multiple="multiple" style="min-width:100%;width:100%;height:150px" onchange="nfwjs_file_info(this.value, 1);">';
					foreach($new_file as $k => $v) {
						echo '<option value="' . htmlspecialchars($v) . '" title="' . htmlspecialchars($k) . '">' . htmlspecialchars($k) . '</option>';
					}
					echo'</select>
					<p class="description">' . $more_info . '</p>
					<table id="table_new" style="width:100%;background-color:#F7F7F7;border:solid 1px #DFDFDF;display:none;">
						<tr>
							<th style="padding:2px;width:25%;">' . __('Size', 'ninjafirewall') .'</th>
							<td style="padding:2px" id="new_size"></td>
						</tr>
						<tr>
							<th style="padding:2px;width:25%;">' . __('Access', 'ninjafirewall') .'</th>
							<td style="padding:2px" id="new_chmod"></td>
						</tr>
						<tr>
							<th style="padding:2px;width:25%;">' . __('Uid / Gid', 'ninjafirewall') .'</th>
							<td style="padding:2px" id="new_uidgid"></td>
						</tr>
						<tr>
							<th style="padding:2px;width:25%;">' . __('Modify', 'ninjafirewall') .'</th>
							<td style="padding:2px" id="new_mtime"></td>
						</tr>
						<tr>
							<th style="padding:2px;width:25%;">' . __('Change', 'ninjafirewall') .'</th>
							<td style="padding:2px" id="new_ctime"></td>
						</tr>
					</table>
				</td></tr>';

}
				if ($del_file) {
					echo '
			<tr>
				<td>' . __('Deleted files:', 'ninjafirewall') .' '. count($del_file). '<br />' .
					'<select name="sometext" multiple="multiple" style="min-width:100%;width:100%;height:150px">';
					foreach($del_file as $k => $v) {
						echo '<option title="' . htmlspecialchars($k) . '">' . htmlspecialchars($k) . '</option>';
					}
					echo'</select>
				</td>
			</tr>';

}
				if ($mod_file) {
					echo '
			<tr>
				<td>' . __('Modified files:', 'ninjafirewall') .' '. count($mod_file). '<br />' .
					'<select id="select-2" name="sometext" multiple="multiple" style="min-width:100%;width:100%;height:150px" onchange="nfwjs_file_info(this.value, 2);">';
					foreach($mod_file as $k => $v) {
						echo '<option value="' . htmlspecialchars($v) . '" title="' . htmlspecialchars($k) . '">' . htmlspecialchars($k) . '</option>';
					}
					echo'</select>
					<p class="description">' . $more_info . '</p>
					<table id="table_mod" style="width:100%;background-color:#F7F7F7;border:solid 1px #DFDFDF;display:none;">
						<tr>
							<th style="padding:2px;width:25%;">&nbsp;</th>
							<td style="padding:2px"><b>' . __('Old', 'ninjafirewall') .'</b></td>
							<td style="padding:2px"><b>' . __('New', 'ninjafirewall') .'</b></td>
						</tr>
						<tr>
							<th style="padding:2px;width:25%;">' . __('Size', 'ninjafirewall') .'</th>
							<td style="padding:2px" id="mod_size"></td>
							<td style="padding:2px" id="mod_size2"></td>
						</tr>
						<tr>
							<th style="padding:2px;width:25%;">' . __('Access', 'ninjafirewall') .'</th>
							<td style="padding:2px" id="mod_chmod"></td>
							<td style="padding:2px" id="mod_chmod2"></td>
						</tr>
						<tr>
							<th style="padding:2px;width:25%;">' . __('Uid / Gid', 'ninjafirewall') .'</th>
							<td style="padding:2px" id="mod_uidgid"></td>
							<td style="padding:2px" id="mod_uidgid2"></td>
						</tr>
						<tr>
							<th style="padding:2px;width:25%;">' . __('Modify', 'ninjafirewall') .'</th>
							<td style="padding:2px" id="mod_mtime"></td>
							<td style="padding:2px" id="mod_mtime2"></td>
						</tr>
						<tr>
							<th style="padding:2px;width:25%;">' . __('Change', 'ninjafirewall') .'</th>
							<td style="padding:2px" id="mod_ctime"></td>
							<td style="padding:2px" id="mod_ctime2"></td>
						</tr>
					</table>
				</td>
			</tr>';
				}
				echo '
		</table>
		</div>

</td>
		</tr>
		</table>';
			} else {
				echo __('None', 'ninjafirewall') . '
			</td>
		</tr>
	</table>
	<br />';
			}
		?>
	<form method="post">
		<?php wp_nonce_field('filecheck_save', 'nfwnonce', 0); ?>
		<input type="hidden" name="nfw_act" value="scan" />
		<p><input type="submit" class="button-primary" value="<?php _e('Scan System For File Changes', 'ninjafirewall') ?> &#187;" /></p>
		<input type="hidden" name="tab" value="filecheck" />
	</form>

<br />
	<br />
	<?php
	if (! isset($nfw_options['sched_scan']) ) {
		$sched_scan = 0;
	} else {
		$sched_scan = $nfw_options['sched_scan'];
	}
	if ( empty($nfw_options['report_scan']) ) {
		$report_scan = 0;
	} else {
		$report_scan = 1;
	}
	?>
	<h3><?php _e('Options', 'ninjafirewall') ?></h3>
	<form method="post">
		<?php
		wp_nonce_field('filecheck_save', 'nfwnonce', 0);
		// If WP cron is disabled, we simply warn the user :
		if ( defined('DISABLE_WP_CRON') ) {
		?>
			<p class="description" style="color:red"><?php printf( __('It seems that %s is set. Ensure you have another way to run WP-Cron, otherwise NinjaFirewall scheduled scans will not work.', 'ninjafirewall'), '<code>DISABLE_WP_CRON</code>' ) ?></p>
		<?php
		}
		?>
		<table class="form-table nfw-table">
			<tr>
				<th scope="row" class="row-med"><?php _e('Enable scheduled scans', 'ninjafirewall') ?></th>
				<td>
					<p><label><input type="radio" name="sched_scan" value="0"<?php checked($sched_scan, 0) ?> /><?php _e('No (default)', 'ninjafirewall') ?></label></p>
					<p><label><input type="radio" name="sched_scan" value="1"<?php checked($sched_scan, 1) ?> /><?php _e('Hourly', 'ninjafirewall') ?></label></p>
					<p><label><input type="radio" name="sched_scan" value="2"<?php checked($sched_scan, 2) ?> /><?php _e('Twicedaily', 'ninjafirewall') ?></label></p>
					<p><label><input type="radio" name="sched_scan" value="3"<?php checked($sched_scan, 3) ?> /><?php _e('Daily', 'ninjafirewall') ?></label></p>
					<?php
					if ( $nextscan = wp_next_scheduled('nfscanevent') ) {
						$sched = new DateTime( date('M d, Y H:i:s', $nextscan) );
						$now = new DateTime( date('M d, Y H:i:s', time() ) );
						$diff = $now->diff($sched);
					?>
						<p class="description"><?php printf( __('Next scan will start in approximately %s day(s), %s hour(s), %s minute(s) and %s second(s).', 'ninjafirewall'), $diff->format('%a') % 7, $diff->format('%h'), $diff->format('%i'), $diff->format('%s') ) ?></p>
					<?php
						// Ensure that the scheduled scan time is in the future,
						// not in the past, otherwise send a warning because wp-cron
						// is obviously not working as expected :
						if ( $nextscan < time() ) {
						?>
							<p class="description" style="color:red"><?php _e('The next scheduled scan date is in the past! WordPress wp-cron may not be working or may have been disabled.', 'ninjafirewall'); ?></p>
						<?php
						}
					}
					?>
				</td>
			</tr>
			<tr>
				<th scope="row" class="row-med"><?php _e('Scheduled scan report', 'ninjafirewall') ?></th>
				<td>
					<p><label><input type="radio" name="report_scan" value="0"<?php checked($report_scan, 0) ?> /><?php _e('Send me a report by email only if changes are detected (default)', 'ninjafirewall') ?></label></p>
					<p><label><input type="radio" name="report_scan" value="1"<?php checked($report_scan, 1) ?> /><?php _e('Always send me a report by email after a scheduled scan', 'ninjafirewall') ?></label></p>
				</td>
			</tr>
		</table>
		<input type="hidden" name="nfw_act" value="scheduled" />
		<p><input type="submit" class="button-primary" value="<?php _e('Save Scan Options', 'ninjafirewall') ?>" /></p>
		<input type="hidden" name="tab" value="filecheck" />
	</form>

<?php

// ---------------------------------------------------------------------

function nf_sub_monitoring_create($nfmon_snapshot) {

// Check POST data:
	if ( empty($_POST['snapdir']) ) {
		return __('Enter the full path to the directory to be scanned.', 'ninjafirewall');
	}
	if ( strpos( $_POST['snapdir'], '://' ) !== false ) {
		return sprintf( __('The directory %s is not correct.', 'ninjafirewall'), '<code>'. htmlspecialchars($_POST['snapdir']) .'</code>');
	}
	if ( strlen($_POST['snapdir']) > 1 ) {
		$_POST['snapdir'] = trim($_POST['snapdir'], ' ');
		$_POST['snapdir'] = rtrim($_POST['snapdir'], '/');
	}
	if (! file_exists($_POST['snapdir']) ) {
		return sprintf( __('The directory %s does not exist.', 'ninjafirewall'), '<code>'. htmlspecialchars($_POST['snapdir']) .'</code>');
	}
	if (! is_readable($_POST['snapdir']) ) {
		return sprintf( __('The directory %s is not readable.', 'ninjafirewall'), '<code>'. htmlspecialchars($_POST['snapdir']) .'</code>');
	}
	if ( isset($_POST['snapnoslink']) ) {
		$snapnoslink = 1;
	} else {
		$snapnoslink = 0;
	}

$snapexclude = '';
	if (! empty( $_POST['snapexclude'] ) ) {
		$_POST['snapexclude'] = trim( $_POST['snapexclude'] );
		$_POST['snapexclude'] = preg_replace( '/\s*,\s*/', ',', $_POST['snapexclude'] );
		$tmp = preg_quote( $_POST['snapexclude'], '/' );
		$snapexclude = str_replace(',', '|', $tmp);
	}

@ini_set('max_execution_time', 0);
	$snapproc = nf_fc_metrics('start');

if ($fh = fopen($nfmon_snapshot, 'w') ) {
		fwrite($fh, '<?php die("Forbidden"); ?>' . "\n");
		$res = scd($_POST['snapdir'], $snapexclude, $fh, $snapnoslink);
		fclose($fh);

// Error ?
		if ($res) {
			if (file_exists($nfmon_snapshot) ) {
				unlink($nfmon_snapshot);
			}
			return $res;
		}

// Save scan dir :
		$nfw_options = nfw_get_option('nfw_options');
		$nfw_options['snapproc'] = nf_fc_metrics('stop', $snapproc );
		$nfw_options['snapexclude'] = $_POST['snapexclude'];
		$nfw_options['snapdir'] = $_POST['snapdir'];
		$nfw_options['snapnoslink'] = $snapnoslink;
		nfw_update_option('nfw_options', $nfw_options);

} else {
		return sprintf( __('Cannot write to %s.', 'ninjafirewall'), '<code>'. $nfmon_snapshot .'</code>');
	}
}

// ---------------------------------------------------------------------

function scd($snapdir, $snapexclude, $fh, $snapnoslink) {

if (is_readable($snapdir) ) {
		if ($dh = opendir($snapdir) ) {
			while ( FALSE !== ($file = readdir($dh)) ) {
				if ( $file == '.' || $file == '..') { continue; }
				$full_path = $snapdir . '/' . $file;
				if ( $snapexclude ) {
					if ( preg_match("/$snapexclude/", $full_path) ) { continue; }
				}
				if (is_readable($full_path)) {
					if ( $snapnoslink && is_link($full_path)) { continue; }
					if ( is_dir($full_path) ) {
						scd($full_path, $snapexclude, $fh, $snapnoslink);
					} elseif (is_file($full_path) ) {
						$file_stat = stat($full_path);
						fwrite($fh, $full_path . '::' . sprintf ("%04o", $file_stat['mode'] & 0777) . ':' . $file_stat['uid'] . ':' .
							$file_stat['gid'] . ':' . $file_stat['size'] . ':' . $file_stat['mtime'] . ':' .
							$file_stat['ctime'] . "\n");
					}
				}
			}
			closedir($dh);
		} else {
			return sprintf(__('Error : cannot open %s directory.', 'ninjafirewall'), '<code>'. htmlspecialchars($snapdir) .'</code>');
		}
	} else {
		return sprintf(__('Error : %s directory is not readable.', 'ninjafirewall'), '<code>'. htmlspecialchars($snapdir) .'</code>');
	}
}

// ---------------------------------------------------------------------

function nf_sub_monitoring_scan($nfmon_snapshot, $nfmon_diff) {

$nfw_options = nfw_get_option('nfw_options');

if (empty($nfw_options['enabled']) ) { return; }

@ini_set('max_execution_time', 0);

if (! isset($nfw_options['snapexclude']) || ! isset($nfw_options['snapdir']) || ! isset($nfw_options['snapnoslink']) ) {
		return sprintf( __('Missing options line %s, please try again.', 'ninjafirewall'), __LINE__ );
	}
	$tmp = preg_quote($nfw_options['snapexclude'], '/');
	$snapexclude = str_replace(',', '|', $tmp);

if ($fh = fopen($nfmon_snapshot . '_tmp', 'w') ) {
		fwrite($fh, '<?php die("Forbidden"); ?>' . "\n");
		$res = scd($nfw_options['snapdir'], $snapexclude, $fh, $nfw_options['snapnoslink']);
		fclose($fh);
	} else {
		return sprintf( __('Cannot create %s.', 'ninjafirewall'), '<code>'. $nfmon_snapshot . '_tmp</code>');
	}

// Error ?
	if ($res) {
		if (file_exists($nfmon_snapshot . '_tmp') ) {
			unlink($nfmon_snapshot . '_tmp');
		}
		return $res;
	}

// Compare both snapshots :

$old_files = $file = $new_files =  array();
	$modified_files = $match = array();

if (! $fh = fopen($nfmon_snapshot, 'r') ) {
		return __('Error reading old snapshot file.', 'ninjafirewall');
	}
	while (! feof($fh) ) {
		$match = explode('::', rtrim(fgets($fh)) . '::' );
		if (! empty($match[1]) ) {
			$old_files[$match[0]] = $match[1];
		}
	}
	fclose($fh);

if (! $fh = fopen($nfmon_snapshot . '_tmp', 'r') ) {
		return __('Error reading new snapshot file.', 'ninjafirewall');
	}
	while (! feof($fh) ) {
		$match = explode('::', rtrim(fgets($fh)) . '::' );

if ( empty($match[1]) ) {
			continue;
		}

// New file ?
		if ( empty( $old_files[$match[0]] ) ) {
			$new_files[$match[0]] = $match[1];
			continue;
		}

// Modified file ?
		if ( $old_files[$match[0]] !=	$match[1] ) {
			 $modified_files[$match[0]] = $old_files[$match[0]] . '::' . $match[1];
		}

// Delete it from old files list :
		unset( $old_files[$match[0]] );
	}
	fclose ($fh);

// Write changes to file, if any :
	if ($new_files || $modified_files || $old_files) {

$fh = fopen($nfmon_diff, 'w');
		fwrite($fh, '<?php die("Forbidden"); ?>' . "\n");

if ( $new_files ) {
			foreach ( $new_files as $fkey => $fvalue ) {
				fwrite($fh, $fkey . '::N::' . $fvalue . "\n");
			}
		}

if ( $modified_files ) {
			foreach ( $modified_files as $fkey => $fvalue ) {
				fwrite($fh, $fkey . '::M::' . $fvalue . "\n");
			}
		}

if ( $old_files ) {
			foreach ( $old_files as $fkey => $fvalue ) {
				fwrite($fh, $fkey . '::D::' . $fvalue . "\n");
			}
		}
		fclose($fh);
		rename( $nfmon_snapshot . '_tmp', $nfmon_snapshot);

} else {
		if (file_exists($nfmon_diff) ) {
			// Keep last changes :
			rename($nfmon_diff, $nfmon_diff. '.php');
		}
		unlink( $nfmon_snapshot . '_tmp');
	}
}

// ---------------------------------------------------------------------

function nf_scheduled_scan() {

$nfw_options = nfw_get_option('nfw_options');

if (! isset($_POST['sched_scan']) || ! preg_match('/^[1-3]$/', $_POST['sched_scan']) ) {
		$nfw_options['sched_scan'] = 0;
	} else {
		$nfw_options['sched_scan'] = $_POST['sched_scan'];
	}

if ( empty($_POST['report_scan']) ) {
		$nfw_options['report_scan'] = 0;
	} else {
		$nfw_options['report_scan'] = 1;
	}
	nfw_update_option('nfw_options', $nfw_options);

// Update cronjobs
	nfw_create_scheduled_tasks('nfscanevent');

}

// ---------------------------------------------------------------------

function nf_scan_email($nfmon_diff, $log_dir) {

$nfw_options = nfw_get_option('nfw_options');

// Changes were detected :
	if ( $nfmon_diff ) {
		$stat = stat($nfmon_diff);
		$data = '== NinjaFirewall File Check (diff)'. "\n";
		$data.= '== ' . site_url() . "\n";
		$data.= '== ' . date_i18n('M d, Y @ H:i:s O', $stat['ctime']) . "\n\n";
		$data.= '[+] = ' . __('New file', 'ninjafirewall') .
					'      [!] = ' . __('Modified file', 'ninjafirewall') .
					'      [-] = ' . __('Deleted file', 'ninjafirewall') .
					"\n\n";
		$n = 0; $m = 0; $d = 0;
		$fh = fopen($nfmon_diff, 'r');
		while (! feof($fh) ) {
			$res = explode('::', fgets($fh) );
			if ( empty($res[1]) ) { continue; }
			// New file :
			if ($res[1] == 'N') {
				$data .= '[+] ' . $res[0] . "\n";
				++$n;
			// Deleted file :
			} elseif ($res[1] == 'D') {
				$data .= '[-] ' . $res[0] . "\n";
				++$d;
			// Modified file:
			} elseif ($res[1] == 'M') {
				$data .= '[!] ' . $res[0] . "\n";
				++$m;
			}
		}
		fclose($fh);
		$data .= "\n== EOF\n";
		@file_put_contents($log_dir . 'nf_filecheck.txt', $data, LOCK_EX);
		$subject = __('[NinjaFirewall] Alert: File Check detection', 'ninjafirewall');
		$msg = __('NinjaFirewall detected that changes were made to your files.', 'ninjafirewall') . "\n\n";
		if ( is_multisite() ) {
			$msg .=__('Blog:', 'ninjafirewall') .' '. network_home_url('/') . "\n";
		} else {
			$msg .=__('Blog:', 'ninjafirewall') .' '. home_url('/') . "\n";
		}
		$msg .= sprintf( __('Date: %s', 'ninjafirewall'), ucfirst(date_i18n('M d, Y @ H:i:s O')) )."\n\n";
		// Display summary in the email body:
		$msg .= sprintf( __('New files: %s', 'ninjafirewall'), $n ) ."\n";
		$msg .= sprintf( __('Modified files: %s', 'ninjafirewall'), $m ) ."\n";
		$msg .= sprintf( __('Deleted files: %s', 'ninjafirewall'), $d ) ."\n\n";

$msg .= __('See attached file for details.', 'ninjafirewall') . "\n\n" .
			NF_PG_SIGNATURE ."\n\n". NF_PG_MORESEC;

nfw_mail( $subject, $msg, 'unsubscribe', $headers = '', $log_dir . 'nf_filecheck.txt' );
		unlink($log_dir . 'nf_filecheck.txt');

} else {

// User asked to always receive a report after a scheduled scan :
		$subject = __('[NinjaFirewall] File Check report', 'ninjafirewall');
		$msg = __('NinjaFirewall did not detect changes in your files.', 'ninjafirewall') . "\n\n";
		if ( is_multisite() ) {
			$msg .=__('Blog:', 'ninjafirewall') .' '. network_home_url('/') . "\n";
		} else {
			$msg .=__('Blog:', 'ninjafirewall') .' '. home_url('/') . "\n";
		}
		$msg .= sprintf( __('Date: %s', 'ninjafirewall'), ucfirst(date_i18n('M d, Y @ H:i:s O')) ) . "\n\n" .
			NF_PG_SIGNATURE ."\n\n". NF_PG_MORESEC;

nfw_mail( $subject, $msg, 'unsubscribe' );
	}
}

// ---------------------------------------------------------------------

function nf_fc_metrics( $action = 'start', $starttime = 0 ) {

if ( function_exists('hrtime') ) {
		$metrics = 'hrtime';
	} else {
		$metrics = 'microtime';
	}

// Start chrono
	if ( $action == 'start') {
		return $metrics( true );
	}

// Stop chrono and return elapsed time
	if ( $metrics == 'hrtime') {
		return number_format( ( $metrics( true ) - $starttime ) / 1000000000, 2 );
	} else {
		return number_format( $metrics( true ) - $starttime, 2 );
	}
}

// ---------------------------------------------------------------------
// EOF

' . $err . '


	(`,`).