From f556247588240bc57afbd044f6d1b602fbd159ba Mon Sep 17 00:00:00 2001
From: Nonoo <nonoo@nonoo.hu>
Date: Fri, 16 Oct 2020 17:43:30 +0200
Subject: [PATCH] Add auth check

---
 main.go | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/main.go b/main.go
index feb916a..6ff2ef7 100644
--- a/main.go
+++ b/main.go
@@ -80,9 +80,9 @@ func main() {
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x3e, 0x71, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x2b, 0x3f, 0x55, 0x5c, 0x00, 0x00, 0x00, 0x00, // username: beer
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x5e, 0x3e, 0x2c, 0x54, 0x3a, 0x4f, 0x75, 0x79,
+		0x2b, 0x3f, 0x55, 0x5c, 0x3f, 0x25, 0x77, 0x58, // pass: beerbeer
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x69, 0x63, 0x6f, 0x6d, 0x2d, 0x70, 0x63, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -105,6 +105,13 @@ func main() {
 		}
 		errCount = 0
 
+		if len(r) == 96 && bytes.Equal(r[:8], []byte{0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00}) {
+			if bytes.Equal(r[48:52], []byte{0xff, 0xff, 0xff, 0xfe}) {
+				log.Fatal("invalid user/password")
+			} else {
+				log.Print("auth ok")
+			}
+		}
 		if bytes.Equal(r[:6], []byte{0x00, 0x00, 0x00, 0x00, 0x07, 0x00}) {
 			gotSeq := r[6]
 			if receivedSeq && lastReceivedSeq+1 != gotSeq {