From: Hannu Nyman <hannu.nyman@iki.fi>
Date: Thu, 9 Feb 2017 14:58:07 +0000 (+0200)
Subject: luci-base: add hexstring datatype
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=5e7b188ecb36e9ac2826b0d88c9fe6fa7a967786;p=project%2Fluci.git

luci-base: add hexstring datatype

Add datatype 'hexstring' for input validaiton datatypes.

It will accept any hexadecimal string.

(no length validation, as rangelength can be used for that.)

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
(cherry picked from commit 11f23559e4be78f202aa55d811d5b58cb0ca0a78)
---

diff --git a/modules/luci-base/luasrc/cbi/datatypes.lua b/modules/luci-base/luasrc/cbi/datatypes.lua
index 72b41ddad8..0a180d3664 100644
--- a/modules/luci-base/luasrc/cbi/datatypes.lua
+++ b/modules/luci-base/luasrc/cbi/datatypes.lua
@@ -267,6 +267,13 @@ function wepkey(val)
 	end
 end
 
+function hexstring(val)
+        if val then
+                return (val:match("^[a-fA-F0-9]+$") ~= nil)
+        end
+        return false
+end
+
 function string(val)
 	return true		-- Everything qualifies as valid string
 end