From 7e8976baf7f66381e7807cde456e293b09c35c35 Mon Sep 17 00:00:00 2001
From: Martin Holst Swende <martin@swende.se>
Date: Fri, 29 Jan 2021 10:44:02 +0100
Subject: [PATCH] cmd/clef: don't check file permissions on windows, closes
 #20123

---
 cmd/clef/main.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/cmd/clef/main.go b/cmd/clef/main.go
index 273919cb410f..090edd450734 100644
--- a/cmd/clef/main.go
+++ b/cmd/clef/main.go
@@ -805,14 +805,16 @@ func readMasterKey(ctx *cli.Context, ui core.UIClientAPI) ([]byte, error) {
 
 // checkFile is a convenience function to check if a file
 // * exists
-// * is mode 0400
+// * is mode 0400 (unix only)
 func checkFile(filename string) error {
 	info, err := os.Stat(filename)
 	if err != nil {
 		return fmt.Errorf("failed stat on %s: %v", filename, err)
 	}
 	// Check the unix permission bits
-	if info.Mode().Perm()&0377 != 0 {
+	// However, on windows, we cannot use the unix perm-bits, see
+	// https://github.com/ethereum/go-ethereum/issues/20123
+	if runtime.GOOS != "windows" && info.Mode().Perm()&0377 != 0 {
 		return fmt.Errorf("file (%v) has insecure file permissions (%v)", filename, info.Mode().String())
 	}
 	return nil