From f1735cd94e55a3547254bd7d5f3c7c8cd79dac59 Mon Sep 17 00:00:00 2001
From: Luka Perkov <luka@openwrt.org>
Date: Fri, 4 Jan 2013 11:26:08 +0100
Subject: [PATCH] sanitize json_get_type function

Signed-off-by: Luka Perkov <luka@openwrt.org>
---
 sh/jshn.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sh/jshn.sh b/sh/jshn.sh
index 70c3aa3..1c35711 100644
--- a/sh/jshn.sh
+++ b/sh/jshn.sh
@@ -197,7 +197,7 @@ json_get_type() {
 	local cur
 
 	_json_get_var cur JSON_CUR
-	local var="${JSON_PREFIX}TYPE_${cur}_$2"
+	local var="${JSON_PREFIX}TYPE_${cur}_${2//[^a-zA-Z0-9_]/_}"
 	eval "export -- \"$dest=\${$var}\"; [ -n \"\${$var+x}\" ]"
 }