1 -- Copyright 2010 Jo-Philipp Wich <jow@openwrt.org>
2 -- Licensed to the public under the Apache License 2.0.
4 local fs = require "nixio.fs"
5 local ip = require "luci.ip"
6 local math = require "math"
7 local util = require "luci.util"
8 local tonumber, tostring, type, unpack, select = tonumber, tostring, type, unpack, select
11 module "luci.cbi.datatypes"
14 _M['or'] = function(v, ...)
16 for i = 1, select('#', ...), 2 do
17 local f = select(i, ...)
18 local a = select(i+1, ...)
19 if type(f) ~= "function" then
24 elseif f(v, unpack(a)) then
31 _M['and'] = function(v, ...)
33 for i = 1, select('#', ...), 2 do
34 local f = select(i, ...)
35 local a = select(i+1, ...)
36 if type(f) ~= "function" then
41 elseif not f(v, unpack(a)) then
49 return _M['or'](v:gsub("^%s*!%s*", ""), ...)
52 function list(v, subvalidator, subargs)
53 if type(subvalidator) ~= "function" then
57 for token in v:gmatch("%S+") do
58 if not subvalidator(token, unpack(subargs)) then
66 if val == "1" or val == "yes" or val == "on" or val == "true" then
68 elseif val == "0" or val == "no" or val == "off" or val == "false" then
70 elseif val == "" or val == nil then
77 function uinteger(val)
78 local n = tonumber(val)
79 if n ~= nil and math.floor(n) == n and n >= 0 then
87 local n = tonumber(val)
88 if n ~= nil and math.floor(n) == n then
96 local n = tonumber(val)
97 return ( n ~= nil and n >= 0 )
101 return ( tonumber(val) ~= nil )
105 return ip4addr(val) or ip6addr(val)
108 function ip4addr(val)
110 return ip.IPv4(val) and true or false
116 function ip4prefix(val)
118 return ( val and val >= 0 and val <= 32 )
121 function ip6addr(val)
123 return ip.IPv6(val) and true or false
129 function ip6prefix(val)
131 return ( val and val >= 0 and val <= 128 )
136 return ( val and val >= 0 and val <= 65535 )
139 function portrange(val)
140 local p1, p2 = val:match("^(%d+)%-(%d+)$")
141 if p1 and p2 and port(p1) and port(p2) then
148 function macaddr(val)
149 if val and val:match(
150 "^[a-fA-F0-9]+:[a-fA-F0-9]+:[a-fA-F0-9]+:" ..
151 "[a-fA-F0-9]+:[a-fA-F0-9]+:[a-fA-F0-9]+$"
153 local parts = util.split( val, ":" )
156 parts[i] = tonumber( parts[i], 16 )
157 if parts[i] < 0 or parts[i] > 255 then
168 function hostname(val)
169 if val and (#val < 254) and (
170 val:match("^[a-zA-Z_]+$") or
171 (val:match("^[a-zA-Z0-9_][a-zA-Z0-9_%-%.]*[a-zA-Z0-9]$") and
172 val:match("[^0-9%.]"))
179 function host(val, ipv4only)
180 return hostname(val) or ((ipv4only == 1) and ip4addr(val)) or ((not (ipv4only == 1)) and ipaddr(val))
183 function network(val)
184 return uciname(val) or host(val)
187 function hostport(val, ipv4only)
188 local h, p = val:match("^([^:]+):([^:]+)$")
189 return not not (h and p and host(h, ipv4only) and port(p))
192 function ip4addrport(val, bracket)
193 local h, p = val:match("^([^:]+):([^:]+)$")
194 return (h and p and ip4addr(h) and port(p))
197 function ip4addrport(val)
198 local h, p = val:match("^([^:]+):([^:]+)$")
199 return (h and p and ip4addr(h) and port(p))
202 function ipaddrport(val, bracket)
203 local h, p = val:match("^([^%[%]:]+):([^:]+)$")
204 if (h and p and ip4addr(h) and port(p)) then
206 elseif (bracket == 1) then
207 h, p = val:match("^%[(.+)%]:([^:]+)$")
208 if (h and p and ip6addr(h) and port(p)) then
212 h, p = val:match("^([^%[%]]+):([^:]+)$")
213 return (h and p and ip6addr(h) and port(p))
218 return (val:match("^[a-fA-F0-9]+$") ~= nil)
220 return (#val >= 8) and (#val <= 63)
225 if val:sub(1, 2) == "s:" then
229 if (#val == 10) or (#val == 26) then
230 return (val:match("^[a-fA-F0-9]+$") ~= nil)
232 return (#val == 5) or (#val == 13)
237 return true -- Everything qualifies as valid string
240 function directory( val, seen )
241 local s = fs.stat(val)
244 if s and not seen[s.ino] then
246 if s.type == "dir" then
248 elseif s.type == "lnk" then
249 return directory( fs.readlink(val), seen )
256 function file( val, seen )
257 local s = fs.stat(val)
260 if s and not seen[s.ino] then
262 if s.type == "reg" then
264 elseif s.type == "lnk" then
265 return file( fs.readlink(val), seen )
272 function device( val, seen )
273 local s = fs.stat(val)
276 if s and not seen[s.ino] then
278 if s.type == "chr" or s.type == "blk" then
280 elseif s.type == "lnk" then
281 return device( fs.readlink(val), seen )
288 function uciname(val)
289 return (val:match("^[a-zA-Z0-9_]+$") ~= nil)
292 function range(val, min, max)
297 if val ~= nil and min ~= nil and max ~= nil then
298 return ((val >= min) and (val <= max))
304 function min(val, min)
308 if val ~= nil and min ~= nil then
315 function max(val, max)
319 if val ~= nil and max ~= nil then
326 function rangelength(val, min, max)
331 if val ~= nil and min ~= nil and max ~= nil then
332 return ((#val >= min) and (#val <= max))
338 function minlength(val, min)
342 if val ~= nil and min ~= nil then
349 function maxlength(val, max)
353 if val ~= nil and max ~= nil then
360 function phonedigit(val)
361 return (val:match("^[0-9\*#!%.]+$") ~= nil)