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-rwxr-xr-xsrc/init/vyos-router7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/init/vyos-router b/src/init/vyos-router
index 5c88c0665..563f12755 100755
--- a/src/init/vyos-router
+++ b/src/init/vyos-router
@@ -1,5 +1,5 @@
#!/bin/bash
-# Copyright (C) 2021-2024 VyOS maintainers and contributors
+# Copyright VyOS maintainers and contributors <maintainers@vyos.io>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
@@ -420,7 +420,10 @@ gen_duid ()
UUID=$(cat ${UUID_FILE} | tr -d -)
fi
if [ -z ${UUID} ]; then
- UUID=$(uuidgen --sha1 --namespace @dns --name $(cat ${UUID_FILE_ALT}) | tr -d -)
+ file_alt="$(cat ${UUID_FILE_ALT})"
+ if [ -n "${file_alt}" ]; then
+ UUID=$(uuidgen --sha1 --namespace @dns --name ${file_alt} | tr -d -)
+ fi
fi
# Add DUID type4 (UUID) information
DUID_TYPE="0004"