1 files changed, 470 insertions, 0 deletions
diff --git a/modules/luci-compat/luasrc/cbi/datatypes.lua b/modules/luci-compat/luasrc/cbi/datatypes.lua
new file mode 100644
index 0000000000..c1cf01f9cd
--- /dev/null
+++ b/modules/luci-compat/luasrc/cbi/datatypes.lua
@@ -0,0 +1,470 @@
+-- Copyright 2010 Jo-Philipp Wich <jow@openwrt.org>
+-- Copyright 2017 Dan Luedtke <mail@danrl.com>
+-- Licensed to the public under the Apache License 2.0.
+
+local fs = require "nixio.fs"
+local ip = require "luci.ip"
+local math = require "math"
+local util = require "luci.util"
+local tonumber, tostring, type, unpack, select = tonumber, tostring, type, unpack, select
+
+
+module "luci.cbi.datatypes"
+
+
+_M['or'] = function(v, ...)
+	local i
+	for i = 1, select('#', ...), 2 do
+		local f = select(i, ...)
+		local a = select(i+1, ...)
+		if type(f) ~= "function" then
+			if f == v then
+				return true
+			end
+			i = i - 1
+		elseif f(v, unpack(a)) then
+			return true
+		end
+	end
+	return false
+end
+
+_M['and'] = function(v, ...)
+	local i
+	for i = 1, select('#', ...), 2 do
+		local f = select(i, ...)
+		local a = select(i+1, ...)
+		if type(f) ~= "function" then
+			if f ~= v then
+				return false
+			end
+			i = i - 1
+		elseif not f(v, unpack(a)) then
+			return false
+		end
+	end
+	return true
+end
+
+function neg(v, ...)
+	return _M['or'](v:gsub("^%s*!%s*", ""), ...)
+end
+
+function list(v, subvalidator, subargs)
+	if type(subvalidator) ~= "function" then
+		return false
+	end
+	local token
+	for token in v:gmatch("%S+") do
+		if not subvalidator(token, unpack(subargs)) then
+			return false
+		end
+	end
+	return true
+end
+
+function bool(val)
+	if val == "1" or val == "yes" or val == "on" or val == "true" then
+		return true
+	elseif val == "0" or val == "no" or val == "off" or val == "false" then
+		return true
+	elseif val == "" or val == nil then
+		return true
+	end
+
+	return false
+end
+
+function uinteger(val)
+	local n = tonumber(val)
+	if n ~= nil and math.floor(n) == n and n >= 0 then
+		return true
+	end
+
+	return false
+end
+
+function integer(val)
+	local n = tonumber(val)
+	if n ~= nil and math.floor(n) == n then
+		return true
+	end
+
+	return false
+end
+
+function ufloat(val)
+	local n = tonumber(val)
+	return ( n ~= nil and n >= 0 )
+end
+
+function float(val)
+	return ( tonumber(val) ~= nil )
+end
+
+function ipaddr(val)
+	return ip4addr(val) or ip6addr(val)
+end
+
+function ip4addr(val)
+	if val then
+		return ip.IPv4(val) and true or false
+	end
+
+	return false
+end
+
+function ip4prefix(val)
+	val = tonumber(val)
+	return ( val and val >= 0 and val <= 32 )
+end
+
+function ip6addr(val)
+	if val then
+		return ip.IPv6(val) and true or false
+	end
+
+	return false
+end
+
+function ip6prefix(val)
+	val = tonumber(val)
+	return ( val and val >= 0 and val <= 128 )
+end
+
+function cidr(val)
+	return cidr4(val) or cidr6(val)
+end
+
+function cidr4(val)
+	local ip, mask = val:match("^([^/]+)/([^/]+)$")
+
+	return ip4addr(ip) and ip4prefix(mask)
+end
+
+function cidr6(val)
+	local ip, mask = val:match("^([^/]+)/([^/]+)$")
+
+	return ip6addr(ip) and ip6prefix(mask)
+end
+
+function ipnet4(val)
+	local ip, mask = val:match("^([^/]+)/([^/]+)$")
+
+	return ip4addr(ip) and ip4addr(mask)
+end
+
+function ipnet6(val)
+	local ip, mask = val:match("^([^/]+)/([^/]+)$")
+
+	return ip6addr(ip) and ip6addr(mask)
+end
+
+function ipmask(val)
+	return ipmask4(val) or ipmask6(val)
+end
+
+function ipmask4(val)
+	return cidr4(val) or ipnet4(val) or ip4addr(val)
+end
+
+function ipmask6(val)
+	return cidr6(val) or ipnet6(val) or ip6addr(val)
+end
+
+function ip6hostid(val)
+	if val == "eui64" or val == "random" then
+		return true
+	else
+		local addr = ip.IPv6(val)
+		if addr and addr:prefix() == 128 and addr:lower("::1:0:0:0:0") then
+			return true
+		end
+	end
+
+	return false
+end
+
+function port(val)
+	val = tonumber(val)
+	return ( val and val >= 0 and val <= 65535 )
+end
+
+function portrange(val)
+	local p1, p2 = val:match("^(%d+)%-(%d+)$")
+	if p1 and p2 and port(p1) and port(p2) then
+		return true
+	else
+		return port(val)
+	end
+end
+
+function macaddr(val)
+	return ip.checkmac(val) and true or false
+end
+
+function hostname(val, strict)
+	if val and (#val < 254) and (
+	   val:match("^[a-zA-Z_]+$") or
+	   (val:match("^[a-zA-Z0-9_][a-zA-Z0-9_%-%.]*[a-zA-Z0-9]$") and
+	    val:match("[^0-9%.]"))
+	) then
+		return (not strict or not val:match("^_"))
+	end
+	return false
+end
+
+function host(val, ipv4only)
+	return hostname(val) or ((ipv4only == 1) and ip4addr(val)) or ((not (ipv4only == 1)) and ipaddr(val))
+end
+
+function network(val)
+	return uciname(val) or host(val)
+end
+
+function hostport(val, ipv4only)
+	local h, p = val:match("^([^:]+):([^:]+)$")
+	return not not (h and p and host(h, ipv4only) and port(p))
+end
+
+function ip4addrport(val, bracket)
+	local h, p = val:match("^([^:]+):([^:]+)$")
+	return (h and p and ip4addr(h) and port(p))
+end
+
+function ip4addrport(val)
+	local h, p = val:match("^([^:]+):([^:]+)$")
+	return (h and p and ip4addr(h) and port(p))
+end
+
+function ipaddrport(val, bracket)
+	local h, p = val:match("^([^%[%]:]+):([^:]+)$")
+	if (h and p and ip4addr(h) and port(p)) then
+		return true
+	elseif (bracket == 1) then
+		h, p = val:match("^%[(.+)%]:([^:]+)$")
+		if  (h and p and ip6addr(h) and port(p)) then
+			return true
+		end
+	end
+	h, p = val:match("^([^%[%]]+):([^:]+)$")
+	return (h and p and ip6addr(h) and port(p))
+end
+
+function wpakey(val)
+	if #val == 64 then
+		return (val:match("^[a-fA-F0-9]+$") ~= nil)
+	else
+		return (#val >= 8) and (#val <= 63)
+	end
+end
+
+function wepkey(val)
+	if val:sub(1, 2) == "s:" then
+		val = val:sub(3)
+	end
+
+	if (#val == 10) or (#val == 26) then
+		return (val:match("^[a-fA-F0-9]+$") ~= nil)
+	else
+		return (#val == 5) or (#val == 13)
+	end
+end
+
+function hexstring(val)
+	if val then
+		return (val:match("^[a-fA-F0-9]+$") ~= 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)
+	return true		-- Everything qualifies as valid string
+end
+
+function directory(val, seen)
+	local s = fs.stat(val)
+	seen = seen or { }
+
+	if s and not seen[s.ino] then
+		seen[s.ino] = true
+		if s.type == "dir" then
+			return true
+		elseif s.type == "lnk" then
+			return directory( fs.readlink(val), seen )
+		end
+	end
+
+	return false
+end
+
+function file(val, seen)
+	local s = fs.stat(val)
+	seen = seen or { }
+
+	if s and not seen[s.ino] then
+		seen[s.ino] = true
+		if s.type == "reg" then
+			return true
+		elseif s.type == "lnk" then
+			return file( fs.readlink(val), seen )
+		end
+	end
+
+	return false
+end
+
+function device(val, seen)
+	local s = fs.stat(val)
+	seen = seen or { }
+
+	if s and not seen[s.ino] then
+		seen[s.ino] = true
+		if s.type == "chr" or s.type == "blk" then
+			return true
+		elseif s.type == "lnk" then
+			return device( fs.readlink(val), seen )
+		end
+	end
+
+	return false
+end
+
+function uciname(val)
+	return (val:match("^[a-zA-Z0-9_]+$") ~= nil)
+end
+
+function range(val, min, max)
+	val = tonumber(val)
+	min = tonumber(min)
+	max = tonumber(max)
+
+	if val ~= nil and min ~= nil and max ~= nil then
+		return ((val >= min) and (val <= max))
+	end
+
+	return false
+end
+
+function min(val, min)
+	val = tonumber(val)
+	min = tonumber(min)
+
+	if val ~= nil and min ~= nil then
+		return (val >= min)
+	end
+
+	return false
+end
+
+function max(val, max)
+	val = tonumber(val)
+	max = tonumber(max)
+
+	if val ~= nil and max ~= nil then
+		return (val <= max)
+	end
+
+	return false
+end
+
+function rangelength(val, min, max)
+	val = tostring(val)
+	min = tonumber(min)
+	max = tonumber(max)
+
+	if val ~= nil and min ~= nil and max ~= nil then
+		return ((#val >= min) and (#val <= max))
+	end
+
+	return false
+end
+
+function minlength(val, min)
+	val = tostring(val)
+	min = tonumber(min)
+
+	if val ~= nil and min ~= nil then
+		return (#val >= min)
+	end
+
+	return false
+end
+
+function maxlength(val, max)
+	val = tostring(val)
+	max = tonumber(max)
+
+	if val ~= nil and max ~= nil then
+		return (#val <= max)
+	end
+
+	return false
+end
+
+function phonedigit(val)
+	return (val:match("^[0-9%*#!%.]+$") ~= nil)
+end
+
+function timehhmmss(val)
+	return (val:match("^[0-6][0-9]:[0-6][0-9]:[0-6][0-9]$") ~= nil)
+end
+
+function dateyyyymmdd(val)
+	if val ~= nil then
+		yearstr, monthstr, daystr = val:match("^(%d%d%d%d)-(%d%d)-(%d%d)$")
+		if (yearstr == nil) or (monthstr == nil) or (daystr == nil) then
+			return false;
+		end
+		year = tonumber(yearstr)
+		month = tonumber(monthstr)
+		day = tonumber(daystr)
+		if (year == nil) or (month == nil) or (day == nil) then
+			return false;
+		end
+
+		local days_in_month = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
+
+		local function is_leap_year(year)
+			return (year % 4 == 0) and ((year % 100 ~= 0) or (year % 400 == 0))
+		end
+
+		function get_days_in_month(month, year)
+			if (month == 2) and is_leap_year(year) then
+				return 29
+			else
+				return days_in_month[month]
+			end
+		end
+		if (year < 2015) then
+			return false
+		end
+		if ((month == 0) or (month > 12)) then
+			return false
+		end
+		if ((day == 0) or (day > get_days_in_month(month, year))) then
+			return false
+		end
+		return true
+	end
+	return false
+end
+
+function unique(val)
+	return true
+end