From a53bdcafce143490efc0156c135f9c1f0bc6936f Mon Sep 17 00:00:00 2001
From: nkraetzschmar <9020053+nkraetzschmar@users.noreply.github.com>
Date: Thu, 19 Dec 2024 10:00:15 +0100
Subject: [PATCH] fix: correctly decode EFI vars

---
 prepare_source | 2 +-
 src/main.go    | 9 ++++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/prepare_source b/prepare_source
index 946c502..cc0cbf2 100755
--- a/prepare_source
+++ b/prepare_source
@@ -1,3 +1,3 @@
 import_src src
 pkg=gardenlinux-update
-version=0.6
+version=0.7
diff --git a/src/main.go b/src/main.go
index 0676542..22c4827 100644
--- a/src/main.go
+++ b/src/main.go
@@ -84,7 +84,14 @@ func checkEFI(expected_loader_entry string) error {
 		return errors.New("not booted with systemd EFI stub")
 	}
 
-	loader_entry := string(data[4:])
+	var utf8_data []byte
+	for i := 4; i < len(data); i += 2 {
+		utf8_data = append(utf8_data, data[i])
+	}
+
+	loader_entry := string(utf8_data)
+	loader_entry = strings.Trim(loader_entry, "\x00")
+
 	if loader_entry != expected_loader_entry {
 		return errors.New("booted entry does not match expected value")
 	}