From d0cf7fdbb883b4f022b96f8931deac1b29b9b47f Mon Sep 17 00:00:00 2001
From: bol-van <none@none.none>
Date: Sat, 23 Mar 2024 11:30:46 +0300
Subject: [PATCH] tpws: fix crash when tampering is applied without remote end

---
 tpws/tamper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tpws/tamper.c b/tpws/tamper.c
index 6eb7541..e93b5ca 100644
--- a/tpws/tamper.c
+++ b/tpws/tamper.c
@@ -248,7 +248,7 @@ void tamper_out(t_ctrack *ctrack, uint8_t *segment,size_t segment_buffer_size,si
 				default:
 					break;
 			}
-			if (tpos)
+			if (tpos && (5+*size)<=segment_buffer_size)
 			{
 				// construct 2 TLS records from one
 				uint16_t l = pntoh16(segment+3); // length