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%.]"))
180 return hostname(val) or ipaddr(val)
183 function network(val)
184 return uciname(val) or host(val)
187 function hostport(val)
188 local h, p = val:match("^([^:]+):([^:]+)$")
189 return not not (h and p and host(h) and port(p))
192 function ipaddrport(val)
193 local h, p = val:match("^([^:]+):([^:]+)$")
194 return not not (h and p and ipaddr(h) and port(p))
199 return (val:match("^[a-fA-F0-9]+$") ~= nil)
201 return (#val >= 8) and (#val <= 63)
206 if val:sub(1, 2) == "s:" then
210 if (#val == 10) or (#val == 26) then
211 return (val:match("^[a-fA-F0-9]+$") ~= nil)
213 return (#val == 5) or (#val == 13)
218 return true -- Everything qualifies as valid string
221 function directory( val, seen )
222 local s = fs.stat(val)
225 if s and not seen[s.ino] then
227 if s.type == "dir" then
229 elseif s.type == "lnk" then
230 return directory( fs.readlink(val), seen )
237 function file( val, seen )
238 local s = fs.stat(val)
241 if s and not seen[s.ino] then
243 if s.type == "reg" then
245 elseif s.type == "lnk" then
246 return file( fs.readlink(val), seen )
253 function device( val, seen )
254 local s = fs.stat(val)
257 if s and not seen[s.ino] then
259 if s.type == "chr" or s.type == "blk" then
261 elseif s.type == "lnk" then
262 return device( fs.readlink(val), seen )
269 function uciname(val)
270 return (val:match("^[a-zA-Z0-9_]+$") ~= nil)
273 function range(val, min, max)
278 if val ~= nil and min ~= nil and max ~= nil then
279 return ((val >= min) and (val <= max))
285 function min(val, min)
289 if val ~= nil and min ~= nil then
296 function max(val, max)
300 if val ~= nil and max ~= nil then
307 function rangelength(val, min, max)
312 if val ~= nil and min ~= nil and max ~= nil then
313 return ((#val >= min) and (#val <= max))
319 function minlength(val, min)
323 if val ~= nil and min ~= nil then
330 function maxlength(val, max)
334 if val ~= nil and max ~= nil then
341 function phonedigit(val)
342 return (val:match("^[0-9\*#!%.]+$") ~= nil)
345 function timehhmmss(val)
346 return (val:match("^[0-6][0-9]:[0-6][0-9]:[0-6][0-9]$") ~= nil)
349 function dateyyyymmdd(val)
351 yearstr, monthstr, daystr = val:match("^(%d%d%d%d)-(%d%d)-(%d%d)$")
352 if (yearstr == nil) or (monthstr == nil) or (daystr == nil) then
355 year = tonumber(yearstr)
356 month = tonumber(monthstr)
357 day = tonumber(daystr)
358 if (year == nil) or (month == nil) or (day == nil) then
362 local days_in_month = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
364 local function is_leap_year(year)
365 return (year % 4 == 0) and ((year % 100 ~= 0) or (year % 400 == 0))
368 function get_days_in_month(month, year)
369 if (month == 2) and is_leap_year(year) then
372 return days_in_month[month]
375 if (year < 2015) then
378 if ((month == 0) or (month > 12)) then
381 if ((day == 0) or (day > get_days_in_month(month, year))) then