From 8d7c6fd65adb38291dcb1953e10dc1d6460837e4 Mon Sep 17 00:00:00 2001
From: Roland Haeder <roland@mxchange.org>
Date: Thu, 8 Jul 2010 21:47:56 +0000
Subject: [PATCH] Updated to allow database-less operation

---
 ctracker.php          |  1 -
 libs/lib_             |  1 -
 libs/lib_connect.php  | 16 ++++++++++++++--
 libs/lib_detector.php | 10 ++++++++--
 4 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/ctracker.php b/ctracker.php
index acb5bc5..1f071e3 100644
--- a/ctracker.php
+++ b/ctracker.php
@@ -1,6 +1,5 @@
 <?php
 /**
- *
  * Cracker Tracker Protection System - Enhanced Edition
  * Created by: Christian Knerr - www.cback.de
  * Enhanced by: Roland Haeder - www.ship-simu.org
diff --git a/libs/lib_ b/libs/lib_
index 0d8b041..61077ca 100644
--- a/libs/lib_
+++ b/libs/lib_
@@ -1,7 +1,6 @@
 <?php
 /**
  * 
- *
  * @author		Roland Haeder <webmaster@ship-simu.org>
  * @version		3.0.0
  * @copyright	Copyright (c) 2009, 2010 Cracker Tracker Team
diff --git a/libs/lib_connect.php b/libs/lib_connect.php
index 3747416..82e6fe0 100644
--- a/libs/lib_connect.php
+++ b/libs/lib_connect.php
@@ -25,7 +25,7 @@
 // Function to aquire a database link
 function aquireCrackerTrackerDatabaseLink () {
 	// Is the link up?
-	if (!isCrackerTrackerDatabaseLinkUp()) {
+	if ((!isCrackerTrackerDatabaseLinkUp()) && (!empty($GLOBALS['ctracker_host'])) && (!empty($GLOBALS['ctracker_dbname'])) && (!empty($GLOBALS['ctracker_user']))) {
 		// Then connect to the database
 		$GLOBALS['ctracker_link'] = mysql_connect($GLOBALS['ctracker_host'], $GLOBALS['ctracker_user'], $GLOBALS['ctracker_password']) or crackerTrackerDatabaseError(__FUNCTION__, __LINE__);
 
@@ -80,6 +80,12 @@ function crackerTrackerCloseDatabaseLink () {
 
 // Inserts given array, if IP/check_worm combination was not found
 function crackerTrackerInsertArray ($table, $rowData) {
+	// Is there a link up?
+	if (!isCrackerTrackerDatabaseLinkUp()) {
+		// Abort silently here
+		return false;
+	} // END - if
+
 	// Is it found?
 	if (!isCrackerTrackerEntryFound($rowData)) {
 		// Prepare SQL
@@ -114,7 +120,7 @@ function isCrackerTrackerEntryFound ($rowData) {
 	$SQL = 'SELECT `id` FROM `ctracker_data` WHERE `remote_addr`="' . crackerTrackerEscapeString($rowData['remote_addr']) . '" AND `check_worm` = "' . crackerTrackerEscapeString($rowData['check_worm']) . '" AND `server_name`="' . crackerTrackerEscapeString($rowData['server_name']) . '" LIMIT 1';
 
 	// Run the SQL and check if we have one line
-	return (mysql_num_rows(runCrackerTrackerSql($SQL, __FUNCTION__, __LINE__)) == 1);
+	return ((isCrackerTrackerDatabaseLinkUp()) && (mysql_num_rows(runCrackerTrackerSql($SQL, __FUNCTION__, __LINE__)) == 1));
 }
 
 // Escapes the string
@@ -219,6 +225,12 @@ function crackerTrackerInitTable ($table) {
 
 // Updates the database scheme automatically
 function crackerTrackerUpdateDatabaseScheme () {
+	// Is a link there?
+	if (!isCrackerTrackerDatabaseLinkUp()) {
+		// Abort here silently
+		return;
+	} // END - if
+
 	// Is the main config table there?
 	if (!isCrackerTrackerTableCreated('ctracker_config')) {
 		// Then do it for us
diff --git a/libs/lib_detector.php b/libs/lib_detector.php
index ecd95ba..1c16b54 100644
--- a/libs/lib_detector.php
+++ b/libs/lib_detector.php
@@ -160,7 +160,7 @@ function crackerTrackerSendMail ($mail, $recipient = null, $subject = null) {
 		// Send the email out only in non-debug mode
 		if (isCrackerTrackerDebug()) {
 			// Output message
-			print 'Recipient='.$recipient.'<br />Subject='.$subject.'<br />Text=<pre>' . $mail . '</pre>';
+			print 'Recipient=' . $recipient . '<br />Subject=' . $subject . '<br />Text=<pre>' . $mail . '</pre>';
 
 			// All fine
 			return true;
@@ -174,7 +174,13 @@ function crackerTrackerSendMail ($mail, $recipient = null, $subject = null) {
 			// Send it the deprecated way with constant
 			return mail(constant('__CTRACKER_EMAIL'), 'CTracker: Attack detected!', $mail, $GLOBALS['ctracker_header']);
 		}
-	} // END - if
+	} elseif (isCrackerTrackerDebug()) {
+		// Output message
+		print 'Recipient=' . $recipient . '<br />Subject=' . $subject . '<br />Text=<pre>' . $mail . '</pre>';
+
+		// All fine
+		return true;
+	}
 }
 
 // Sends a detected POST attack mail
-- 
2.39.5