From c487e176bd517d815315583dfc795dc629ffb20a Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Sun, 16 Oct 2016 18:17:28 +0200
Subject: main: allow password change with -masterkey

Requested at https://github.com/rfjakob/gocryptfs/issues/28
---
 internal/configfile/config_file.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'internal/configfile/config_file.go')

diff --git a/internal/configfile/config_file.go b/internal/configfile/config_file.go
index 79960e4..97a1f3a 100644
--- a/internal/configfile/config_file.go
+++ b/internal/configfile/config_file.go
@@ -139,7 +139,11 @@ func LoadConfFile(filename string, password string) ([]byte, *ConfFile, error) {
 
 		return nil, nil, fmt.Errorf("Deprecated filesystem")
 	}
-
+	if password == "" {
+		// We have validated the config file, but without a password we cannot
+		// decrypt the master key. Return only the parsed config.
+		return nil, &cf, nil
+	}
 	// Generate derived key from password
 	scryptHash := cf.ScryptObject.DeriveKey(password)
 
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