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#!/usr/bin/env lua
local json = require "luci.jsonc"
local fs = require "nixio.fs"
local function readfile(path)
local s = fs.readfile(path)
return s and (s:gsub("^%s+", ""):gsub("%s+$", ""))
end
local methods = {
initList = {
args = { name = "name" },
call = function(args)
local sys = require "luci.sys"
local _, name, scripts = nil, nil, {}
for _, name in ipairs(args.name and { args.name } or sys.init.names()) do
local index = sys.init.index(name)
if index then
scripts[name] = { index = index, enabled = sys.init.enabled(name) }
else
return { error = "No such init script" }
end
end
return { result = scripts }
end
},
initCall = {
args = { name = "name", action = "action" },
call = function(args)
local sys = require "luci.sys"
if type(sys.init[args.action]) ~= "function" then
return { error = "Invalid action" }
end
return { result = sys.init[args.action](args.name) }
end
},
localtime = {
call = function(args)
return { localtime = os.time() }
end
},
timezone = {
args = { zonename = "UTC" },
call = function(args)
local util = require "luci.util"
local zones = require "luci.sys.zoneinfo"
local tz = readfile("/etc/TZ")
local res = util.ubus("uci", "get", {
config = "system",
section = "@system[0]",
option = "zonename"
})
local result = {}
local _, zone
for _, zone in ipairs(zones.TZ) do
result[zone[1]] = {
tzstring = zone[2],
active = (res and res.value == zone[1]) and true or nil
}
end
return { result = result }
end
},
leds = {
call = function()
local iter = fs.dir("/sys/class/leds")
local result = { }
if iter then
local led
for led in iter do
local m, s
result[led] = { triggers = {} }
s = readfile("/sys/class/leds/"..led.."/trigger")
for s in (s or ""):gmatch("%S+") do
m = s:match("^%[(.+)%]$")
result[led].triggers[#result[led].triggers+1] = m or s
result[led].active_trigger = m or result[led].active_trigger
end
s = readfile("/sys/class/leds/"..led.."/brightness")
if s then
result[led].brightness = tonumber(s)
end
s = readfile("/sys/class/leds/"..led.."/max_brightness")
if s then
result[led].max_brightness = tonumber(s)
end
end
end
return result
end
},
usb = {
call = function()
local fs = require "nixio.fs"
local iter = fs.glob("/sys/bus/usb/devices/[0-9]*/manufacturer")
local result = { }
if iter then
result.devices = {}
local p
for p in iter do
local id = p:match("%d+-%d+")
result.devices[#result.devices+1] = {
id = id,
vid = readfile("/sys/bus/usb/devices/"..id.."/idVendor"),
pid = readfile("/sys/bus/usb/devices/"..id.."/idProduct"),
vendor = readfile("/sys/bus/usb/devices/"..id.."/manufacturer"),
product = readfile("/sys/bus/usb/devices/"..id.."/product"),
speed = tonumber((readfile("/sys/bus/usb/devices/"..id.."/product")))
}
end
end
iter = fs.glob("/sys/bus/usb/devices/*/usb[0-9]*-port[0-9]*")
if iter then
result.ports = {}
local p
for p in iter do
local bus, port = p:match("usb(%d+)-port(%d+)")
result.ports[#result.ports+1] = {
hub = tonumber(bus),
port = tonumber(port)
}
end
end
return result
end
},
ifaddrs = {
call = function()
return { result = nixio.getifaddrs() }
end
},
host_hints = {
call = function()
local sys = require "luci.sys"
return sys.net.host_hints()
end
},
duid_hints = {
call = function()
local fp = io.open('/var/hosts/odhcpd')
local result = { }
if fp then
for line in fp:lines() do
local dev, duid, name = string.match(line, '# (%S+)%s+(%S+)%s+%d+%s+(%S+)')
if dev and duid and name then
result[duid] = {
name = (name ~= "-") and name or nil,
device = dev
}
end
end
fp:close()
end
return result
end
},
leases = {
args = { family = 0 },
call = function(args)
local s = require "luci.tools.status"
if args.family == 4 then
return { dhcp_leases = s.dhcp_leases() }
elseif args.family == 6 then
return { dhcp6_leases = s.dhcp6_leases() }
else
return {
dhcp_leases = s.dhcp_leases(),
dhcp6_leases = s.dhcp6_leases()
}
end
end
}
}
local function parseInput()
local parse = json.new()
local done, err
while true do
local chunk = io.read(4096)
if not chunk then
break
elseif not done and not err then
done, err = parse:parse(chunk)
end
end
if not done then
print(json.stringify({ error = err or "Incomplete input" }))
os.exit(1)
end
return parse:get()
end
local function validateArgs(func, uargs)
local method = methods[func]
if not method then
print(json.stringify({ error = "Method not found" }))
os.exit(1)
end
if type(uargs) ~= "table" then
print(json.stringify({ error = "Invalid arguments" }))
os.exit(1)
end
uargs.ubus_rpc_session = nil
local k, v
local margs = method.args or {}
for k, v in pairs(uargs) do
if margs[k] == nil or
(v ~= nil and type(v) ~= type(margs[k]))
then
print(json.stringify({ error = "Invalid arguments" }))
os.exit(1)
end
end
return method
end
if arg[1] == "list" then
local _, method, rv = nil, nil, {}
for _, method in pairs(methods) do rv[_] = method.args or {} end
print((json.stringify(rv):gsub(":%[%]", ":{}")))
elseif arg[1] == "call" then
local args = parseInput()
local method = validateArgs(arg[2], args)
local result, code = method.call(args)
print(json.stringify(result))
os.exit(code or 0)
end
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