From 5d9c0c083035099cf0863b7ae598a3c6077dd224 Mon Sep 17 00:00:00 2001
From: Lucas <lucas@domain.invalid>
Date: Fri, 27 Dec 2019 22:52:59 +0000
Subject: [PATCH] sekrit: make check_key more strict

---
 bin/sekrit.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/bin/sekrit.sh b/bin/sekrit.sh
index 9a2f192..1a144bc 100644
--- a/bin/sekrit.sh
+++ b/bin/sekrit.sh
@@ -48,7 +48,11 @@ err()
 
 check_key()
 {
-	[ "$1" = "${1%/}" ] || err "Key can not end in a slash."
+	case $1 in
+	*/ | /* | ./* | */./* | */. | ../* | */../* | */..)
+		err "Key can not end in a slash."
+		;;
+	esac
 }
 
 to_number()