From 5793af2132e9f901cdc6a95da6fd7a5e4fb11087 Mon Sep 17 00:00:00 2001
From: zsdc <taras@vyos.io>
Date: Thu, 6 Jun 2024 23:04:51 +0300
Subject: grub: T6453: Fixed GRUB variables parsing

To parse variables with `=` a variable name should be limited by alphanumerical
characters only.

(cherry picked from commit d3acecdf129cd940f8b2d1b229a6e2a343cab74b)
---
 python/vyos/system/grub.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/vyos/system/grub.py b/python/vyos/system/grub.py
index 0d9c1340b..6f3bbdaf6 100644
--- a/python/vyos/system/grub.py
+++ b/python/vyos/system/grub.py
@@ -49,7 +49,7 @@ TMPL_GRUB_COMMON: str = 'grub/grub_common.j2'
 BOOT_OPTS_STEM: str = 'boot=live rootdelay=5 noautologin net.ifnames=0 biosdevname=0 vyos-union=/boot/'
 
 # prepare regexes
-REGEX_GRUB_VARS: str = r'^set (?P<variable_name>.+)=[\'"]?(?P<variable_value>.*)(?<![\'"])[\'"]?$'
+REGEX_GRUB_VARS: str = r'^set (?P<variable_name>\w+)=[\'"]?(?P<variable_value>.*)(?<![\'"])[\'"]?$'
 REGEX_GRUB_MODULES: str = r'^insmod (?P<module_name>.+)$'
 REGEX_KERNEL_CMDLINE: str = r'^BOOT_IMAGE=/(?P<boot_type>boot|live)/((?P<image_version>.+)/)?vmlinuz.*$'
 REGEX_GRUB_BOOT_OPTS: str = r'^\s*set boot_opts="(?P<boot_opts>[^$]+)"$'
-- 
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