From e96e6372f51a6c1850ef1f1cd4431a901b9a693a Mon Sep 17 00:00:00 2001
From: wish <wish@sek.ai>
Date: Tue, 27 Jun 2023 22:39:44 +1000
Subject: [PATCH] hacky fix for PSSGN panic

---
 server/signserver/session.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/server/signserver/session.go b/server/signserver/session.go
index de46c5337..2a83afc6a 100644
--- a/server/signserver/session.go
+++ b/server/signserver/session.go
@@ -156,6 +156,13 @@ func (s *Session) handleWIIUSGN(bf *byteframe.ByteFrame) {
 }
 
 func (s *Session) handlePSSGN(bf *byteframe.ByteFrame) {
+	// Prevent reading malformed request
+	if len(bf.DataFromCurrent()) < 128 {
+		resp := byteframe.NewByteFrame()
+		resp.WriteUint8(uint8(SIGN_EABORT))
+		s.cryptConn.SendPacket(resp.Data())
+		return
+	}
 	_ = bf.ReadNullTerminatedBytes() // VITA = 0000000256, PS3 = 0000000255
 	_ = bf.ReadBytes(2)              // VITA = 1, PS3 = !
 	_ = bf.ReadBytes(82)