From 7087fe9bbbbb929531073e774dea6f0dc1ea5441 Mon Sep 17 00:00:00 2001
From: Deon George <deon@dege.au>
Date: Wed, 15 Nov 2023 22:12:09 +1100
Subject: [PATCH] Throw an exception when we cannot determine the end of the
 message/packet

---
 app/Classes/FTN/Packet.php | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/app/Classes/FTN/Packet.php b/app/Classes/FTN/Packet.php
index 8d75c91..31f6df9 100644
--- a/app/Classes/FTN/Packet.php
+++ b/app/Classes/FTN/Packet.php
@@ -145,7 +145,7 @@ class Packet extends FTNBase implements \Iterator, \Countable
 	/* STATIC */
 
 	/**
-	 * Site of the packet header
+	 * Size of the packet header
 	 *
 	 * @return int
 	 */
@@ -303,11 +303,15 @@ class Packet extends FTNBase implements \Iterator, \Countable
 			}
 
 			// See if we have found the end of the packet, if not read more.
-			if ($end === FALSE && ($read_ptr < $size)) {
-				$message .= substr($readbuf,$buf_ptr);
-				$buf_ptr = 0;
+			if ($end === FALSE) {
+				if ($read_ptr < $size) {
+					$message .= substr($readbuf,$buf_ptr);
+					$buf_ptr = 0;
 
-				continue;
+					continue;
+
+				} else
+					throw new InvalidPacketException(sprintf('Cannot determine END of message/packet: %s|%s',get_class($o),hex_dump($message)));
 
 			} else {
 				$message .= substr($readbuf,$buf_ptr,$end-$buf_ptr);