From fcca903ae95cf652538ff2ec2c25a37935b2eca0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miroslav=20=C5=A0ediv=C3=BD?= <sedivy.miro@gmail.com>
Date: Tue, 16 Jun 2020 02:39:15 +0200
Subject: [PATCH] allow only a-zA-Z for keyboard layout

---
 server/internal/xorg/xorg.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/server/internal/xorg/xorg.go b/server/internal/xorg/xorg.go
index 8ff53f1..200294c 100644
--- a/server/internal/xorg/xorg.go
+++ b/server/internal/xorg/xorg.go
@@ -13,6 +13,7 @@ import (
 	"sync"
 	"time"
 	"unsafe"
+	"regexp"
 
 	"n.eko.moe/neko/internal/types"
 )
@@ -214,6 +215,10 @@ func SetKeyboard(layout string) {
 	mu.Lock()
 	defer mu.Unlock()
 
+	if !regexp.MustCompile(`^[a-zA-Z]+$`).MatchString(layout) {
+		return
+	}
+
 	layoutUnsafe := C.CString(layout)
 	defer C.free(unsafe.Pointer(layoutUnsafe))