From 6a3cc3261346aa8ac33c4feff1324a7390b50cc1 Mon Sep 17 00:00:00 2001
From: sh123 <sh123@users.noreply.github.com>
Date: Tue, 26 Oct 2021 16:18:49 +0300
Subject: [PATCH] Append \0 in receive

---
 loraprs_service.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/loraprs_service.cpp b/loraprs_service.cpp
index d8416e2..0452ded 100644
--- a/loraprs_service.cpp
+++ b/loraprs_service.cpp
@@ -508,8 +508,12 @@ void Service::processIncomingRawPacketAsServer(const byte *packet, int packetLen
   AX25::Payload payload(packet, packetLength);
 
   // try to parse as text for clients, who submit plain text
-  if (!payload.IsValid() && config_.EnableTextPackets && packet[packetLength - 1] == '\0') {
-    payload = AX25::Payload(String((char*)packet));
+  if (!payload.IsValid() && config_.EnableTextPackets) {
+    char buf[CfgMaxAX25PayloadSize];
+    int cpySize = packetLength > CfgMaxAX25PayloadSize ? CfgMaxAX25PayloadSize : packetLength;
+    memcpy(buf, packet, cpySize);
+    buf[cpySize-1] = '\0';
+    payload = AX25::Payload(String((char*)buf));
   }
 
   if (payload.IsValid()) {