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gluon-core: improve channel and add chanlist validation

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This commit is contained in:
Martin Weinelt 2018-02-28 02:57:12 +01:00
parent bf55249159
commit 423aafbd29
2 changed files with 44 additions and 3 deletions
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14
package/gluon-core/check_site.lua
View File

@ -33,9 +33,17 @@ for _, config in ipairs({'wifi24', 'wifi5'}) do
if need_table({config}, nil, false) then
need_string(in_site({'regdom'})) -- regdom is only required when wifi24 or wifi5 is configured
need_number({config, 'channel'})
if config == 'wifi5' then
need_string_match({config, 'outdoor_chanlist'}, '^[%d%s-]+$', false)
if config == "wifi24" then
local channels = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}
need_one_of({config, 'channel'}, channels)
elseif config == 'wifi5' then
local channels = {
34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62,
64, 96, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118,
120, 122, 124, 126, 128, 132, 134, 136, 138, 140, 142, 144,
149, 151, 153, 155, 157, 159, 161, 165, 169, 173 }
need_one_of({config, 'channel'}, channels)
need_chanlist({config, 'outdoor_chanlist'}, channels, false)
end
obsolete({config, 'supported_rates'}, '802.11b rates are disabled by default.')

33
scripts/check_site.lua
View File

@ -203,6 +203,33 @@ function alternatives(...)
end
local function check_chanlist(channels)
local is_valid_channel = check_one_of(channels)
return function(chanlist)
for group in chanlist:gmatch("%S+") do
if group:match("^%d+$") then
channel = tonumber(group)
if not is_valid_channel(channel) then
return false
end
elseif group:match("^%d+-%d+$") then
from, to = group:match("^(%d+)-(%d+)$")
from = tonumber(from)
to = tonumber(to)
if from >= to then
return false
end
if not is_valid_channel(from) or not is_valid_channel(to) then
return false
end
else
return false
end
end
return true
end
end
function need(path, check, required, msg)
local val = loadvar(path)
if required == false and val == nil then
@ -307,6 +334,12 @@ function need_array_of(path, array, required)
return need_array(path, function(e) need_one_of(e, array) end, required)
end
function need_chanlist(path, channels, required)
local valid_chanlist = check_chanlist(channels)
return need(path, valid_chanlist, required, 'be a space-separated list of WiFi channels or channel-ranges (separated by a hyphen). ' ..
'Valid channels are: ' .. array_to_string(channels))
end
function need_domain_name(path)
need_string(path)
need(path, function(domain_name)