3 LuCI - Configuration Bind Interface - Datatype Tests
4 (c) 2010 Jo-Philipp Wich <xm@subsignal.org>
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
10 http://www.apache.org/licenses/LICENSE-2.0
16 local fs = require "nixio.fs"
17 local ip = require "luci.ip"
18 local math = require "math"
19 local util = require "luci.util"
21 local tonumber = tonumber
23 module "luci.cbi.datatypes"
27 if val == "1" or val == "yes" or val == "on" or val == "true" then
29 elseif val == "0" or val == "no" or val == "off" or val == "false" then
31 elseif val == "" or val == nil then
38 function uinteger(val)
39 local n = tonumber(val)
40 if n ~= nil and math.floor(n) == n and n >= 0 then
48 local n = tonumber(val)
49 if n ~= nil and math.floor(n) == n then
57 local n = tonumber(val)
58 return ( n ~= nil and n >= 0 )
62 return ( tonumber(val) ~= nil )
66 return ip4addr(val) or ip6addr(val)
71 return ip.IPv4(val) and true or false
77 function ip4prefix(val)
79 return ( val and val >= 0 and val <= 32 )
84 return ip.IPv6(val) and true or false
90 function ip6prefix(val)
92 return ( val and val >= 0 and val <= 128 )
97 return ( val and val >= 1 and val <= 65535 )
100 function portrange(val)
101 local p1, p2 = val:match("^(%d+)%-(%d+)$")
102 if p1 and p2 and port(p1) and port(p2) then
109 function macaddr(val)
110 if val and val:match(
111 "^[a-fA-F0-9]+:[a-fA-F0-9]+:[a-fA-F0-9]+:" ..
112 "[a-fA-F0-9]+:[a-fA-F0-9]+:[a-fA-F0-9]+$"
114 local parts = util.split( val, ":" )
117 parts[i] = tonumber( parts[i], 16 )
118 if parts[i] < 0 or parts[i] > 255 then
129 function hostname(val)
130 if val and (#val < 254) and val.match(val, "^[a-zA-Z0-9][a-zA-Z0-9%-%.]*[a-zA-Z0-9]$") then
137 return hostname(val) or ipaddr(val)
142 return (val:match("^[a-fA-F0-9]+$") ~= nil)
144 return (#val >= 8) and (#val <= 63)
149 if val:sub(1, 2) == "s:" then
153 if (#val == 10) or (#val == 26) then
154 return (val:match("^[a-fA-F0-9]+$") ~= nil)
156 return (#val == 5) or (#val == 13)
161 return true -- Everything qualifies as valid string
164 function directory( val, seen )
165 local s = fs.stat(val)
168 if s and not seen[s.ino] then
170 if s.type == "dir" then
172 elseif s.type == "lnk" then
173 return directory( fs.readlink(val), seen )
180 function file( val, seen )
181 local s = fs.stat(val)
184 if s and not seen[s.ino] then
186 if s.type == "reg" then
188 elseif s.type == "lnk" then
189 return file( fs.readlink(val), seen )
196 function device( val, seen )
197 local s = fs.stat(val)
200 if s and not seen[s.ino] then
202 if s.type == "chr" or s.type == "blk" then
204 elseif s.type == "lnk" then
205 return device( fs.readlink(val), seen )
212 function uciname(val)
213 return (val:match("^[a-zA-Z0-9_]+$") ~= nil)
216 function range(val, min, max)
221 if val ~= nil and min ~= nil and max ~= nil then
222 return ((val >= min) and (val <= max))