mirror of
https://github.com/Ysurac/openmptcprouter-feeds.git
synced 2025-03-09 15:40:03 +00:00
669 lines
14 KiB
Lua
669 lines
14 KiB
Lua
-- Copyright 2008 Steven Barth <steven@midlink.org>
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-- Licensed to the public under the Apache License 2.0.
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local io = require "io"
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local os = require "os"
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local table = require "table"
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local nixio = require "nixio"
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local fs = require "nixio.fs"
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local uci = require "luci.model.uci"
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local ntm = require "luci.model.network"
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local luci = {}
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luci.util = require "luci.util"
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luci.ip = require "luci.ip"
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local tonumber, ipairs, pairs, pcall, type, next, setmetatable, require, select, unpack =
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tonumber, ipairs, pairs, pcall, type, next, setmetatable, require, select, unpack
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module "luci.sys"
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function call(...)
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return os.execute(...) / 256
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end
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exec = luci.util.exec
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function mounts()
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local data = {}
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local k = {"fs", "blocks", "used", "available", "percent", "mountpoint"}
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local ps = luci.util.execi("df")
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if not ps then
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return
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else
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ps()
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end
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for line in ps do
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local row = {}
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local j = 1
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for value in line:gmatch("[^%s]+") do
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row[k[j]] = value
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j = j + 1
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end
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if row[k[1]] then
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-- this is a rather ugly workaround to cope with wrapped lines in
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-- the df output:
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--
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-- /dev/scsi/host0/bus0/target0/lun0/part3
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-- 114382024 93566472 15005244 86% /mnt/usb
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--
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if not row[k[2]] then
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j = 2
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line = ps()
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for value in line:gmatch("[^%s]+") do
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row[k[j]] = value
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j = j + 1
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end
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end
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table.insert(data, row)
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end
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end
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return data
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end
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function mtds()
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local data = {}
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if fs.access("/proc/mtd") then
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for l in io.lines("/proc/mtd") do
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local d, s, e, n = l:match('^([^%s]+)%s+([^%s]+)%s+([^%s]+)%s+"([^%s]+)"')
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if s and n then
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local d = {}
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d.size = tonumber(s, 16)
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d.name = n
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table.insert(data, d)
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end
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end
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end
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return data
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end
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-- containing the whole environment is returned otherwise this function returns
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-- the corresponding string value for the given name or nil if no such variable
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-- exists.
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getenv = nixio.getenv
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function hostname(newname)
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if type(newname) == "string" and #newname > 0 then
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fs.writefile( "/proc/sys/kernel/hostname", newname )
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return newname
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else
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return nixio.uname().nodename
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end
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end
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function httpget(url, stream, target)
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if not target then
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local source = stream and io.popen or luci.util.exec
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return source("wget -qO- %s" % luci.util.shellquote(url))
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else
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return os.execute("wget -qO %s %s" %
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{luci.util.shellquote(target), luci.util.shellquote(url)})
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end
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end
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function reboot()
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return os.execute("reboot >/dev/null 2>&1")
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end
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function syslog()
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return luci.util.exec("logread")
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end
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function dmesg()
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return luci.util.exec("dmesg")
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end
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function uniqueid(bytes)
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local rand = fs.readfile("/dev/urandom", bytes)
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return rand and nixio.bin.hexlify(rand)
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end
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function uptime()
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return nixio.sysinfo().uptime
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end
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net = {}
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local function _nethints(what, callback)
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local _, k, e, mac, ip, name, duid, iaid
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local cur = uci.cursor()
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local ifn = { }
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local hosts = { }
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local lookup = { }
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local function _add(i, ...)
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local k = select(i, ...)
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if k then
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if not hosts[k] then hosts[k] = { } end
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hosts[k][1] = select(1, ...) or hosts[k][1]
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hosts[k][2] = select(2, ...) or hosts[k][2]
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hosts[k][3] = select(3, ...) or hosts[k][3]
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hosts[k][4] = select(4, ...) or hosts[k][4]
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end
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end
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luci.ip.neighbors(nil, function(neigh)
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if neigh.mac and neigh.family == 4 then
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_add(what, neigh.mac:string(), neigh.dest:string(), nil, nil)
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elseif neigh.mac and neigh.family == 6 then
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_add(what, neigh.mac:string(), nil, neigh.dest:string(), nil)
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end
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end)
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if fs.access("/etc/ethers") then
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for e in io.lines("/etc/ethers") do
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mac, name = e:match("^([a-fA-F0-9:-]+)%s+(%S+)")
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mac = luci.ip.checkmac(mac)
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if mac and name then
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if luci.ip.checkip4(name) then
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_add(what, mac, name, nil, nil)
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else
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_add(what, mac, nil, nil, name)
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end
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end
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end
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end
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cur:foreach("dhcp", "dnsmasq",
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function(s)
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if s.leasefile and fs.access(s.leasefile) then
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for e in io.lines(s.leasefile) do
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mac, ip, name = e:match("^%d+ (%S+) (%S+) (%S+)")
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mac = luci.ip.checkmac(mac)
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if mac and ip then
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_add(what, mac, ip, nil, name ~= "*" and name)
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end
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end
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end
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end
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)
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cur:foreach("dhcp", "odhcpd",
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function(s)
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if type(s.leasefile) == "string" and fs.access(s.leasefile) then
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for e in io.lines(s.leasefile) do
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duid, iaid, name, _, ip = e:match("^# %S+ (%S+) (%S+) (%S+) (-?%d+) %S+ %S+ ([0-9a-f:.]+)/[0-9]+")
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mac = net.duid_to_mac(duid)
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if mac then
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if ip and iaid == "ipv4" then
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_add(what, mac, ip, nil, name ~= "*" and name)
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elseif ip then
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_add(what, mac, nil, ip, name ~= "*" and name)
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end
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end
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end
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end
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end
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)
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cur:foreach("dhcp", "host",
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function(s)
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for mac in luci.util.imatch(s.mac) do
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mac = luci.ip.checkmac(mac)
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if mac then
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_add(what, mac, s.ip, nil, s.name)
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end
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end
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end)
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for _, e in ipairs(nixio.getifaddrs()) do
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if e.name ~= "lo" then
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ifn[e.name] = ifn[e.name] or { }
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if e.family == "packet" and e.addr and #e.addr == 17 then
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ifn[e.name][1] = e.addr:upper()
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elseif e.family == "inet" then
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ifn[e.name][2] = e.addr
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elseif e.family == "inet6" then
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ifn[e.name][3] = e.addr
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end
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end
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end
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for _, e in pairs(ifn) do
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if e[what] and (e[2] or e[3]) then
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_add(what, e[1], e[2], e[3], e[4])
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end
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end
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for _, e in pairs(hosts) do
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lookup[#lookup+1] = (what > 1) and e[what] or (e[2] or e[3])
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end
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if #lookup > 0 then
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lookup = luci.util.ubus("network.rrdns", "lookup", {
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addrs = lookup,
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timeout = 250,
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limit = 1000
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}) or { }
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end
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for _, e in luci.util.kspairs(hosts) do
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callback(e[1], e[2], e[3], lookup[e[2]] or lookup[e[3]] or e[4])
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end
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end
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-- Each entry contains the values in the following order:
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-- [ "mac", "name" ]
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function net.mac_hints(callback)
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if callback then
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_nethints(1, function(mac, v4, v6, name)
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name = name or v4
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if name and name ~= mac then
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callback(mac, name or v4)
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end
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end)
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else
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local rv = { }
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_nethints(1, function(mac, v4, v6, name)
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name = name or v4
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if name and name ~= mac then
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rv[#rv+1] = { mac, name or v4 }
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end
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end)
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return rv
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end
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end
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-- Each entry contains the values in the following order:
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-- [ "ip", "name" ]
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function net.ipv4_hints(callback)
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if callback then
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_nethints(2, function(mac, v4, v6, name)
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name = name or mac
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if name and name ~= v4 then
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callback(v4, name)
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end
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end)
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else
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local rv = { }
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_nethints(2, function(mac, v4, v6, name)
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name = name or mac
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if name and name ~= v4 then
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rv[#rv+1] = { v4, name }
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end
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end)
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return rv
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end
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end
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-- Each entry contains the values in the following order:
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-- [ "ip", "name" ]
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function net.ipv6_hints(callback)
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if callback then
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_nethints(3, function(mac, v4, v6, name)
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name = name or mac
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if name and name ~= v6 then
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callback(v6, name)
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end
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end)
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else
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local rv = { }
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_nethints(3, function(mac, v4, v6, name)
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name = name or mac
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if name and name ~= v6 then
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rv[#rv+1] = { v6, name }
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end
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end)
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return rv
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end
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end
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function net.host_hints(callback)
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if callback then
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_nethints(1, function(mac, v4, v6, name)
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if mac and mac ~= "00:00:00:00:00:00" and (v4 or v6 or name) then
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callback(mac, v4, v6, name)
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end
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end)
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else
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local rv = { }
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_nethints(1, function(mac, v4, v6, name)
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if mac and mac ~= "00:00:00:00:00:00" and (v4 or v6 or name) then
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local e = { }
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if v4 then e.ipv4 = v4 end
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if v6 then e.ipv6 = v6 end
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if name then e.name = name end
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rv[mac] = e
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end
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end)
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return rv
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end
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end
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function net.conntrack(callback)
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local ok, nfct = pcall(io.lines, "/proc/net/nf_conntrack")
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if not ok or not nfct then
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return nil
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end
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local line, connt = nil, (not callback) and { }
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for line in nfct do
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local fam, l3, l4, timeout, tuples =
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line:match("^(ipv[46]) +(%d+) +%S+ +(%d+) +(%d+) +(.+)$")
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if fam and l3 and l4 and timeout and not tuples:match("^TIME_WAIT ") then
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l4 = nixio.getprotobynumber(l4)
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local entry = {
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bytes = 0,
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packets = 0,
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layer3 = fam,
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layer4 = l4 and l4.name or "unknown",
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timeout = tonumber(timeout, 10)
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}
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local key, val
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for key, val in tuples:gmatch("(%w+)=(%S+)") do
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if key == "bytes" or key == "packets" then
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entry[key] = entry[key] + tonumber(val, 10)
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elseif key == "src" or key == "dst" then
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if entry[key] == nil then
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entry[key] = luci.ip.new(val):string()
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end
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elseif key == "sport" or key == "dport" then
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if entry[key] == nil then
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entry[key] = val
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end
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elseif val then
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entry[key] = val
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end
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end
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if callback then
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callback(entry)
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else
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connt[#connt+1] = entry
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end
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end
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end
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return callback and true or connt
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end
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function net.devices()
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local devs = {}
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local seen = {}
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for k, v in ipairs(nixio.getifaddrs()) do
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if v.name and not seen[v.name] then
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seen[v.name] = true
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devs[#devs+1] = v.name
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end
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end
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return devs
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end
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function net.duid_to_mac(duid)
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local b1, b2, b3, b4, b5, b6
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if type(duid) == "string" then
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-- DUID-LLT / Ethernet
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if #duid == 28 then
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b1, b2, b3, b4, b5, b6 = duid:match("^00010001(%x%x)(%x%x)(%x%x)(%x%x)(%x%x)(%x%x)%x%x%x%x%x%x%x%x$")
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-- DUID-LL / Ethernet
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elseif #duid == 20 then
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b1, b2, b3, b4, b5, b6 = duid:match("^00030001(%x%x)(%x%x)(%x%x)(%x%x)(%x%x)(%x%x)$")
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-- DUID-LL / Ethernet (Without Header)
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elseif #duid == 12 then
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b1, b2, b3, b4, b5, b6 = duid:match("^(%x%x)(%x%x)(%x%x)(%x%x)(%x%x)(%x%x)$")
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end
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end
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return b1 and luci.ip.checkmac(table.concat({ b1, b2, b3, b4, b5, b6 }, ":"))
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end
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process = {}
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function process.info(key)
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local s = {uid = nixio.getuid(), gid = nixio.getgid()}
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return not key and s or s[key]
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end
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function process.list()
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local data = {}
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local k
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local ps = luci.util.execi("/bin/busybox top -bn1")
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if not ps then
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return
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end
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for line in ps do
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local pid, ppid, user, stat, vsz, mem, cpu, cmd = line:match(
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"^ *(%d+) +(%d+) +(%S.-%S) +([RSDZTW][<NW ][<N ]) +(%d+) +(%d+%%) +(%d+%%) +(.+)"
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)
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local idx = tonumber(pid)
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if idx and not cmd:match("top %-bn1") then
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data[idx] = {
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['PID'] = pid,
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['PPID'] = ppid,
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['USER'] = user,
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['STAT'] = stat,
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['VSZ'] = vsz,
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['%MEM'] = mem,
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['%CPU'] = cpu,
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['COMMAND'] = cmd
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}
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end
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end
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return data
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end
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function process.setgroup(gid)
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return nixio.setgid(gid)
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end
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function process.setuser(uid)
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return nixio.setuid(uid)
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end
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process.signal = nixio.kill
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local function xclose(fd)
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if fd and fd:fileno() > 2 then
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fd:close()
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end
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end
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function process.exec(command, stdout, stderr, nowait)
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local out_r, out_w, err_r, err_w
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if stdout then out_r, out_w = nixio.pipe() end
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if stderr then err_r, err_w = nixio.pipe() end
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local pid = nixio.fork()
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if pid == 0 then
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nixio.chdir("/")
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local null = nixio.open("/dev/null", "w+")
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if null then
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nixio.dup(out_w or null, nixio.stdout)
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nixio.dup(err_w or null, nixio.stderr)
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nixio.dup(null, nixio.stdin)
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xclose(out_w)
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xclose(out_r)
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xclose(err_w)
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xclose(err_r)
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xclose(null)
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end
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nixio.exec(unpack(command))
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os.exit(-1)
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end
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local _, pfds, rv = nil, {}, { code = -1, pid = pid }
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xclose(out_w)
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xclose(err_w)
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if out_r then
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pfds[#pfds+1] = {
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fd = out_r,
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cb = type(stdout) == "function" and stdout,
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name = "stdout",
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events = nixio.poll_flags("in", "err", "hup")
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}
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end
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if err_r then
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pfds[#pfds+1] = {
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fd = err_r,
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cb = type(stderr) == "function" and stderr,
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name = "stderr",
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events = nixio.poll_flags("in", "err", "hup")
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}
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end
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while #pfds > 0 do
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local nfds, err = nixio.poll(pfds, -1)
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if not nfds and err ~= nixio.const.EINTR then
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break
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end
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local i
|
|
for i = #pfds, 1, -1 do
|
|
local rfd = pfds[i]
|
|
if rfd.revents > 0 then
|
|
local chunk, err = rfd.fd:read(4096)
|
|
if chunk and #chunk > 0 then
|
|
if rfd.cb then
|
|
rfd.cb(chunk)
|
|
else
|
|
rfd.buf = rfd.buf or {}
|
|
rfd.buf[#rfd.buf + 1] = chunk
|
|
end
|
|
else
|
|
table.remove(pfds, i)
|
|
if rfd.buf then
|
|
rv[rfd.name] = table.concat(rfd.buf, "")
|
|
end
|
|
rfd.fd:close()
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
if not nowait then
|
|
_, _, rv.code = nixio.waitpid(pid)
|
|
end
|
|
|
|
return rv
|
|
end
|
|
|
|
|
|
user = {}
|
|
|
|
-- { "uid", "gid", "name", "passwd", "dir", "shell", "gecos" }
|
|
user.getuser = nixio.getpw
|
|
|
|
function user.getpasswd(username)
|
|
local pwe = nixio.getsp and nixio.getsp(username) or nixio.getpw(username)
|
|
local pwh = pwe and (pwe.pwdp or pwe.passwd)
|
|
if not pwh or #pwh < 1 or pwh == "!" or pwh == "x" then
|
|
return nil, pwe
|
|
else
|
|
return pwh, pwe
|
|
end
|
|
end
|
|
|
|
function user.checkpasswd(username, pass)
|
|
local pwh, pwe = user.getpasswd(username)
|
|
if pwe then
|
|
return (pwh == nil or nixio.crypt(pass, pwh) == pwh)
|
|
end
|
|
return false
|
|
end
|
|
|
|
function user.setpasswd(username, password)
|
|
return os.execute("(echo %s; sleep 1; echo %s) | passwd %s >/dev/null 2>&1" %{
|
|
luci.util.shellquote(password),
|
|
luci.util.shellquote(password),
|
|
luci.util.shellquote(username)
|
|
})
|
|
end
|
|
|
|
|
|
wifi = {}
|
|
|
|
function wifi.getiwinfo(ifname)
|
|
ntm.init()
|
|
|
|
local wnet = ntm:get_wifinet(ifname)
|
|
if wnet and wnet.iwinfo then
|
|
return wnet.iwinfo
|
|
end
|
|
|
|
local wdev = ntm:get_wifidev(ifname)
|
|
if wdev and wdev.iwinfo then
|
|
return wdev.iwinfo
|
|
end
|
|
|
|
return { ifname = ifname }
|
|
end
|
|
|
|
|
|
init = {}
|
|
init.dir = "/etc/init.d/"
|
|
|
|
function init.names()
|
|
local names = { }
|
|
for name in fs.glob(init.dir.."*") do
|
|
names[#names+1] = fs.basename(name)
|
|
end
|
|
return names
|
|
end
|
|
|
|
function init.index(name)
|
|
if fs.access(init.dir..name) then
|
|
return call("env -i sh -c 'source %s%s enabled; exit ${START:-255}' >/dev/null"
|
|
%{ init.dir, name })
|
|
end
|
|
end
|
|
|
|
local function init_action(action, name)
|
|
if fs.access(init.dir..name) then
|
|
return call("env -i %s%s %s >/dev/null" %{ init.dir, name, action })
|
|
end
|
|
end
|
|
|
|
function init.enabled(name)
|
|
return (init_action("enabled", name) == 0)
|
|
end
|
|
|
|
function init.enable(name)
|
|
return (init_action("enable", name) == 1)
|
|
end
|
|
|
|
function init.disable(name)
|
|
return (init_action("disable", name) == 0)
|
|
end
|
|
|
|
function init.start(name)
|
|
return (init_action("start", name) == 0)
|
|
end
|
|
|
|
function init.stop(name)
|
|
return (init_action("stop", name) == 0)
|
|
end
|
|
|
|
function init.restart(name)
|
|
return (init_action("restart", name) == 0)
|
|
end
|
|
|
|
function init.reload(name)
|
|
return (init_action("reload", name) == 0)
|
|
end
|