From 75ef78d83529fbdcd2e2046a7e0caada16667806 Mon Sep 17 00:00:00 2001
From: brong <brong@7612ce4b-ef26-0410-bec9-ea0150e637f0>
Date: Tue, 19 Mar 2002 00:15:08 +0000
Subject: [PATCH] Protection against non-existant $msort to fix Debian Bug
 ##127104.

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@2603 7612ce4b-ef26-0410-bec9-ea0150e637f0
---
 src/read_body.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/read_body.php b/src/read_body.php
index 2cddd9df..69b402b3 100644
--- a/src/read_body.php
+++ b/src/read_body.php
@@ -35,6 +35,9 @@ function findNextMessage() {
             $result = $currentArrayIndex - 1;
         }
     } else {
+        if (!is_array($msort)) {
+            return -1;
+        }
         for (reset($msort); ($key = key($msort)), (isset($key)); next($msort)) {
             if ($currentArrayIndex == $msgs[$key]['ID']) {
                 next($msort);
@@ -70,6 +73,9 @@ function findPreviousMessage() {
             $result = $currentArrayIndex + 1;
         }
     } else {
+	if (!is_array($msort)) {
+            return -1;
+	}
         for (reset($msort); ($key = key($msort)), (isset($key)); next($msort)) {
             if ($currentArrayIndex == $msgs[$key]['ID']) {
                 prev($msort);
-- 
2.25.1