From a4528d0e05d773e6f817e068dbbf48ba64ea3ab5 Mon Sep 17 00:00:00 2001
From: monsterzack5 <monsterzack5@gmail.com>
Date: Mon, 14 Apr 2025 21:32:32 -0400
Subject: [PATCH] Fail if gateway_id is less bytes than expected

---
 src/backend/concentratord.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/backend/concentratord.rs b/src/backend/concentratord.rs
index a756cff..467ddb2 100644
--- a/src/backend/concentratord.rs
+++ b/src/backend/concentratord.rs
@@ -56,6 +56,12 @@ impl Backend {
             return Err(anyhow!("Could not read gateway id"));
         }
         let gateway_id = cmd_sock.recv_bytes(0)?;
+        if gateway_id.len() != 8 {
+            return Err(anyhow!(
+                "Invalid gateway id, expected 8 bytes, received {}",
+                gateway_id.len()
+            ));
+        }
         let gateway_id = hex::encode(gateway_id);
 
         info!("Received gateway id, gateway_id: {}", gateway_id);