From: jow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Mon, 15 Jul 2013 13:42:58 +0000 (+0000)
Subject: base-files: reject invalid uci keys in network_get_device() and related procedures... 
X-Git-Url: https://git.archive.openwrt.org/?p=openwrt.git;a=commitdiff_plain;h=221af3896a9915da5ca716c6e3901f07e5bca815

base-files: reject invalid uci keys in network_get_device() and related procedures (#13886)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37345 3c298f89-4303-0410-b956-a3cf2f4a3e73
---

diff --git a/package/base-files/files/lib/functions/network.sh b/package/base-files/files/lib/functions/network.sh
index 5ffe2ca0b9..ead69aa626 100644
--- a/package/base-files/files/lib/functions/network.sh
+++ b/package/base-files/files/lib/functions/network.sh
@@ -25,6 +25,10 @@ __network_parse_ifstatus()
 	local __list
 	local __old_ns
 
+	case "$__iface" in
+		*[^a-zA-Z0-9_]*) return 1 ;;
+	esac
+
 	__network_export __tmp "${__key}__parsed" && return 0
 	__tmp="$(ubus call network.interface."$__iface" status 2>/dev/null)"
 	[ -n "$__tmp" ] || return 1