From 7837b2e934519f9abc0a923e3da3189962141c2b Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Sat, 19 Sep 2020 14:27:38 -0400
Subject: [PATCH] Remove magic_quotes and register_globals support.

---
 framework/kernel.php | 80 ++++----------------------------------------
 1 file changed, 6 insertions(+), 74 deletions(-)

diff --git a/framework/kernel.php b/framework/kernel.php
index 8c5513f..fa72d08 100644
--- a/framework/kernel.php
+++ b/framework/kernel.php
@@ -26,12 +26,6 @@
 * @package	ISSO
 */
 
-if (!function_exists('version_compare'))
-{
-	trigger_error('You need PHP version 4.1.0 or newer to run ISSO', E_USER_ERROR);
-	exit;
-}
-
 // when we are PHP5-nat instead of PHP5-compat, we can remove this
 if (version_compare(PHP_VERSION, '5.0.0', '>='))
 {
@@ -45,24 +39,6 @@ if (version_compare(PHP_VERSION, '5.0.0', '>='))
 	}
 }
 
-if ((bool)ini_get('register_globals') === true)
-{
-	$superglobals = array('_GET', '_COOKIE', '_FILES', '_POST', '_SERVER', '_ENV');
-	foreach ($superglobals AS $global)
-	{
-		if (is_array(${$global}))
-		{
-			foreach (${$global} AS $_key => $_val)
-			{
-				if (isset(${$_key}))
-				{
-					unset(${$_key});
-				}
-			}
-		}
-	}
-}
-
 $oldlevel = ini_get('error_reporting');
 $newlevel = $oldlevel;
 $levels = array(E_ERROR => E_USER_ERROR, E_WARNING => E_USER_WARNING, E_NOTICE => E_USER_NOTICE);
@@ -233,13 +209,6 @@ class ISSO
 	*/
 	var $in = array();
 
-	/**
-	* If we are running with magic_quotes_gpc on or off
-	* @var	int
-	* @access	private
-	*/
-	var $magicquotes = 0;
-
 	// ###################################################################
 	/**
 	* Constructor
@@ -251,14 +220,6 @@ class ISSO
 		// error reporting
 		set_error_handler(array(&$this, '_error_handler'));
 
-		// magic quotes
-		$this->magicquotes = get_magic_quotes_gpc();
-		set_magic_quotes_runtime(0);
-
-		// some debug info that's always useful
-		$this->debug('magic_quotes_gpc = ' . $this->magicquotes);
-		$this->debug('register_globals = ' . ini_get('register_globals'));
-
 		// attempt to set the sourcepath
 		$path = call_user_func('debug_backtrace');
 		$this->setSourcePath(str_replace('kernel.php', '', $path[0]['file']));
@@ -831,10 +792,6 @@ class ISSO
 			}
 			else
 			{
-				if ($this->magicquotes)
-				{
-					$value = str_replace("\'", "'", $value);
-				}
 				$data["$key"] = $this->sanitize($value);
 			}
 		}
@@ -853,14 +810,7 @@ class ISSO
 	*/
 	function sanitize($text)
 	{
-		if ($this->magicquotes)
-		{
-			return str_replace(array('<', '>', '\"', '"'), array('&lt;', '&gt;', '&quot;', '&quot;'), $text);
-		}
-		else
-		{
-			return str_replace(array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $text);
-		}
+		return str_replace(array('<', '>', '"'), array('&lt;', '&gt;', '&quot;'), $text);
 	}
 
 	// ###################################################################
@@ -905,28 +855,17 @@ class ISSO
 	* @access	public
 	*
 	* @param	string	Some string
-	* @param	bool	Force magic quotes to be off
+	* @param	bool	ignored
 	*
 	* @return	string	String that has slashes added
 	*/
 	function escape($str, $force = true)
 	{
-		if ($this->magicquotes AND !$force)
-		{
-			if (isset($this->modules[ISSO_DB_LAYER]))
-			{
-				return $this->modules[ISSO_DB_LAYER]->escape_string(str_replace(array("\'", '\"'), array("'", '"'), $str));
-			}
-			return $str;
-		}
-		else
+		if (isset($this->modules[ISSO_DB_LAYER]))
 		{
-			if (isset($this->modules[ISSO_DB_LAYER]))
-			{
-				return $this->modules[ISSO_DB_LAYER]->escape_string($str);
-			}
-			return addslashes($str);
+			return $this->modules[ISSO_DB_LAYER]->escape_string($str);
 		}
+		return addslashes($str);
 	}
 
 	// ###################################################################
@@ -1054,14 +993,7 @@ class ISSO
 		}
 		else if ($type == TYPE_NOCLEAN)
 		{
-			if ($this->magicquotes)
-			{
-				$value = str_replace(array('\"', "\'"), array('"', "'"), $value);
-			}
-			else
-			{
-				$value = $value;
-			}
+			$value = $value;
 		}
 		else if ($type == TYPE_BIN)
 		{
-- 
2.22.5