init_dir: use masterkey arg

Author: pmazzini

init_dir.go

@@ -108,6 +108,7 @@ func initDir(args *argContainer) {
 			DeterministicNames: args.deterministic_names,
 			XChaCha20Poly1305:  args.xchacha,
 			LongNameMax:        args.longnamemax,
+			Masterkey:          handleArgsMasterkey(args),
 		})
 		if err != nil {
 			tlog.Fatal.Println(err)

internal/configfile/config_file.go

@@ -74,6 +74,7 @@ type CreateArgs struct {
 	DeterministicNames bool
 	XChaCha20Poly1305  bool
 	LongNameMax        uint8
+	Masterkey          []byte
 }
 
 // Create - create a new config with a random key encrypted with
@@ -126,8 +127,11 @@ func Create(args *CreateArgs) error {
 		return err
 	}
 	{
-		// Generate new random master key
-		key := cryptocore.RandBytes(cryptocore.KeyLen)
+		key := args.Masterkey
+		if key == nil {
+			// Generate new random master key
+			key := cryptocore.RandBytes(cryptocore.KeyLen)
+		}
 		tlog.PrintMasterkeyReminder(key)
 		// Encrypt it using the password
 		// This sets ScryptObject and EncryptedKey