From a6e302ff8433108ff59ef2035fbdf6b3de9e2dec Mon Sep 17 00:00:00 2001
From: thisgun <thisgun@naver.com>
Date: Tue, 26 Jul 2022 11:35:33 +0900
Subject: [PATCH] =?UTF-8?q?KCAPTCHA=20php5.3=20=EB=B2=84=EC=A0=84=20?=
 =?UTF-8?q?=EC=9D=B4=ED=95=98=EC=97=90=EC=84=9C=20=EB=82=98=EB=8A=94=20?=
 =?UTF-8?q?=EC=98=A4=EB=A5=98=20=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 plugin/kcaptcha/kcaptcha.lib.php   | 2 ++
 plugin/kcaptcha/kcaptcha_image.php | 7 +++++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/plugin/kcaptcha/kcaptcha.lib.php b/plugin/kcaptcha/kcaptcha.lib.php
index 388395555..92707012f 100644
--- a/plugin/kcaptcha/kcaptcha.lib.php
+++ b/plugin/kcaptcha/kcaptcha.lib.php
@@ -18,6 +18,8 @@
 
 class KCAPTCHA{
 
+    private $keystring;
+
 	// generates keystring and image
 	function image(){
         require(dirname(__FILE__).'/kcaptcha_config.php');
diff --git a/plugin/kcaptcha/kcaptcha_image.php b/plugin/kcaptcha/kcaptcha_image.php
index fc74c95a4..0fa408f24 100644
--- a/plugin/kcaptcha/kcaptcha_image.php
+++ b/plugin/kcaptcha/kcaptcha_image.php
@@ -4,10 +4,13 @@ include_once('captcha.lib.php');
 
 $captcha = new KCAPTCHA();
 $ss_captcha_key = get_session("ss_captcha_key");
+$ss_captcha_key_decrypt = '';
 if( $ss_captcha_key && !preg_match('/^[0-9]/', $ss_captcha_key) && function_exists('get_string_decrypt') ){
     $ip = md5(sha1($_SERVER['REMOTE_ADDR']));
-    $ss_captcha_key = str_replace($ip, '', get_string_decrypt($ss_captcha_key));
+    $ss_captcha_key_decrypt = str_replace($ip, '', get_string_decrypt($ss_captcha_key));
 }
-$captcha->setKeyString($ss_captcha_key);
+# php 5.2 또는 5.3 버전에서 포인터처럼 해당 세션값이 변경되는 버그가 있어서 아래와 같이 조치함
+if(! $ss_captcha_key_decrypt) $ss_captcha_key_decrypt = $ss_captcha_key;
+$captcha->setKeyString($ss_captcha_key_decrypt);
 $captcha->getKeyString();
 $captcha->image();
\ No newline at end of file