return ip6addr(ip or val)
end
+function ip6hostid(val)
+ if val and val:match("^[a-fA-F0-9:]+$") and (#val > 2) then
+ return (ip6addr("2001:db8:0:0" .. val) or ip6addr("2001:db8:0:0:" .. val))
+ end
+
+ return false
+end
+
function port(val)
val = tonumber(val)
return ( val and val >= 0 and val <= 65535 )
end
function hexstring(val)
- if val then
- return (val:match("^[a-fA-F0-9]+$") ~= nil)
- end
- return false
+ if val then
+ return (val:match("^[a-fA-F0-9]+$") ~= nil)
+ end
+ return false
+end
+
+function hex(val, maxbytes)
+ maxbytes = tonumber(maxbytes)
+ if val and maxbytes ~= nil then
+ return ((val:match("^0x[a-fA-F0-9]+$") ~= nil) and (#val <= 2 + maxbytes * 2))
+ end
+ return false
+end
+
+function base64(val)
+ if val then
+ return (val:match("^[a-zA-Z0-9/+]+=?=?$") ~= nil) and (math.fmod(#val, 4) == 0)
+ end
+ return false
end
function string(val)