【LEDE】树莓派上玩LEDE终极指南-92-自己编译的LEDE为啥子不能用SSR和KoolProxy？

一直有个问题，我自己编译的所有的LEDE的固件，在我使用opkg安装完ssr或者kp之后，打开luci界面会出现：

attemp to call a nil field net.arptable (a nil value)

诸如这个消息。

当我使用潘多拉的固件或者是官方的固件的时候，发现是正常的，这个问题就不会出现，这是为啥来？

原因就在自己编译的LEDE固件的sys.lua文件和官方的这个文件不一样！！！

把自己的文件改一下：

-- Copyright 2008 Steven Barth <steven@midlink.org>
-- Licensed to the public under the Apache License 2.0.

local io     = require "io"
local os     = require "os"
local table  = require "table"
local nixio  = require "nixio"
local fs     = require "nixio.fs"
local uci    = require "luci.model.uci"

local luci  = {}
luci.util   = require "luci.util"
luci.ip     = require "luci.ip"

local tonumber, ipairs, pairs, pcall, type, next, setmetatable, require, select =
tonumber, ipairs, pairs, pcall, type, next, setmetatable, require, select

module "luci.sys"

function call(...)
return os.execute(...) / 256
end

exec = luci.util.exec

function mounts()
local data = {}
local k = {"fs", "blocks", "used", "available", "percent", "mountpoint"}
local ps = luci.util.execi("df")

if not ps then
return
else
ps()
end

for line in ps do
local row = {}

local j = 1
for value in line:gmatch("[^%s]+") do
row[k[j]] = value
j = j + 1
end

if row[k[1]] then

-- this is a rather ugly workaround to cope with wrapped lines in
-- the df output:
--
--	/dev/scsi/host0/bus0/target0/lun0/part3
--                   114382024  93566472  15005244  86% /mnt/usb
--

if not row[k[2]] then
j = 2
line = ps()
for value in line:gmatch("[^%s]+") do
row[k[j]] = value
j = j + 1
end
end

table.insert(data, row)
end
end

return data
end

-- containing the whole environment is returned otherwise this function returns
-- the corresponding string value for the given name or nil if no such variable
-- exists.
getenv = nixio.getenv

function hostname(newname)
if type(newname) == "string" and #newname > 0 then
fs.writefile( "/proc/sys/kernel/hostname", newname )
return newname
else
return nixio.uname().nodename
end
end

function httpget(url, stream, target)
if not target then
local source = stream and io.popen or luci.util.exec
return source("wget -qO- '"..url:gsub("'", "").."'")
else
return os.execute("wget -qO '%s' '%s'" %
{target:gsub("'", ""), url:gsub("'", "")})
end
end

function reboot()
return os.execute("reboot >/dev/null 2>&1")
end

function syslog()
return luci.util.exec("logread")
end

function dmesg()
return luci.util.exec("dmesg")
end

function uniqueid(bytes)
local rand = fs.readfile("/dev/urandom", bytes)
return rand and nixio.bin.hexlify(rand)
end

function uptime()
return nixio.sysinfo().uptime
end

net = {}

--			The following fields are defined for arp entry objects:
--			{ "IP address", "HW address", "HW type", "Flags", "Mask", "Device" }
function net.arptable(callback)
local arp = (not callback) and {} or nil
local e, r, v
if fs.access("/proc/net/arp") then
for e in io.lines("/proc/net/arp") do
local r = { }, v
for v in e:gmatch("%S+") do
r[#r+1] = v
end

if r[1] ~= "IP" then
local x = {
["IP address"] = r[1],
["HW type"]    = r[2],
["Flags"]      = r[3],
["HW address"] = r[4],
["Mask"]       = r[5],
["Device"]     = r[6]
}

if callback then
callback(x)
else
arp = arp or { }
arp[#arp+1] = x
end
end
end
end
return arp
end

local function _nethints(what, callback)
local _, k, e, mac, ip, name
local cur = uci.cursor()
local ifn = { }
local hosts = { }

local function _add(i, ...)
local k = select(i, ...)
if k then
if not hosts[k] then hosts[k] = { } end
hosts[k][1] = select(1, ...) or hosts[k][1]
hosts[k][2] = select(2, ...) or hosts[k][2]
hosts[k][3] = select(3, ...) or hosts[k][3]
hosts[k][4] = select(4, ...) or hosts[k][4]
end
end

luci.ip.neighbors(nil, function(neigh)
if neigh.mac and neigh.family == 4 then
_add(what, neigh.mac:upper(), neigh.dest:string(), nil, nil)
elseif neigh.mac and neigh.family == 6 then
_add(what, neigh.mac:upper(), nil, neigh.dest:string(), nil)
end
end)

if fs.access("/etc/ethers") then
for e in io.lines("/etc/ethers") do
mac, ip = e:match("^([a-f0-9]%S+) (%S+)")
if mac and ip then
_add(what, mac:upper(), ip, nil, nil)
end
end
end

cur:foreach("dhcp", "dnsmasq",
function(s)
if s.leasefile and fs.access(s.leasefile) then
for e in io.lines(s.leasefile) do
mac, ip, name = e:match("^%d+ (%S+) (%S+) (%S+)")
if mac and ip then
_add(what, mac:upper(), ip, nil, name ~= "*" and name)
end
end
end
end
)

cur:foreach("dhcp", "host",
function(s)
for mac in luci.util.imatch(s.mac) do
_add(what, mac:upper(), s.ip, nil, s.name)
end
end)

for _, e in ipairs(nixio.getifaddrs()) do
if e.name ~= "lo" then
ifn[e.name] = ifn[e.name] or { }
if e.family == "packet" and e.addr and #e.addr == 17 then
ifn[e.name][1] = e.addr:upper()
elseif e.family == "inet" then
ifn[e.name][2] = e.addr
elseif e.family == "inet6" then
ifn[e.name][3] = e.addr
end
end
end

for _, e in pairs(ifn) do
if e[what] and (e[2] or e[3]) then
_add(what, e[1], e[2], e[3], e[4])
end
end

for _, e in luci.util.kspairs(hosts) do
callback(e[1], e[2], e[3], e[4])
end
end

--          Each entry contains the values in the following order:
--          [ "mac", "name" ]
function net.mac_hints(callback)
if callback then
_nethints(1, function(mac, v4, v6, name)
name = name or nixio.getnameinfo(v4 or v6, nil, 100) or v4
if name and name ~= mac then
callback(mac, name or nixio.getnameinfo(v4 or v6, nil, 100) or v4)
end
end)
else
local rv = { }
_nethints(1, function(mac, v4, v6, name)
name = name or nixio.getnameinfo(v4 or v6, nil, 100) or v4
if name and name ~= mac then
rv[#rv+1] = { mac, name or nixio.getnameinfo(v4 or v6, nil, 100) or v4 }
end
end)
return rv
end
end

--          Each entry contains the values in the following order:
--          [ "ip", "name" ]
function net.ipv4_hints(callback)
if callback then
_nethints(2, function(mac, v4, v6, name)
name = name or nixio.getnameinfo(v4, nil, 100) or mac
if name and name ~= v4 then
callback(v4, name)
end
end)
else
local rv = { }
_nethints(2, function(mac, v4, v6, name)
name = name or nixio.getnameinfo(v4, nil, 100) or mac
if name and name ~= v4 then
rv[#rv+1] = { v4, name }
end
end)
return rv
end
end

--          Each entry contains the values in the following order:
--          [ "ip", "name" ]
function net.ipv6_hints(callback)
if callback then
_nethints(3, function(mac, v4, v6, name)
name = name or nixio.getnameinfo(v6, nil, 100) or mac
if name and name ~= v6 then
callback(v6, name)
end
end)
else
local rv = { }
_nethints(3, function(mac, v4, v6, name)
name = name or nixio.getnameinfo(v6, nil, 100) or mac
if name and name ~= v6 then
rv[#rv+1] = { v6, name }
end
end)
return rv
end
end

function net.host_hints(callback)
if callback then
_nethints(1, function(mac, v4, v6, name)
if mac and mac ~= "00:00:00:00:00:00" and (v4 or v6 or name) then
callback(mac, v4, v6, name)
end
end)
else
local rv = { }
_nethints(1, function(mac, v4, v6, name)
if mac and mac ~= "00:00:00:00:00:00" and (v4 or v6 or name) then
local e = { }
if v4   then e.ipv4 = v4   end
if v6   then e.ipv6 = v6   end
if name then e.name = name end
rv[mac] = e
end
end)
return rv
end
end

function net.conntrack(callback)
local ok, nfct = pcall(io.lines, "/proc/net/nf_conntrack")
if not ok or not nfct then
return nil
end

local line, connt = nil, (not callback) and { }
for line in nfct do
local fam, l3, l4, timeout, tuples =
line:match("^(ipv[46]) +(%d+) +%S+ +(%d+) +(%d+) +(.+)$")

if fam and l3 and l4 and timeout and not tuples:match("^TIME_WAIT ") then
l4 = nixio.getprotobynumber(l4)

local entry = {
bytes = 0,
packets = 0,
layer3 = fam,
layer4 = l4 and l4.name or "unknown",
timeout = tonumber(timeout, 10)
}

local key, val
for key, val in tuples:gmatch("(%w+)=(%S+)") do
if key == "bytes" or key == "packets" then
entry[key] = entry[key] + tonumber(val, 10)
elseif key == "src" or key == "dst" then
if entry[key] == nil then
entry[key] = luci.ip.new(val):string()
end
elseif key == "sport" or key == "dport" then
if entry[key] == nil then
entry[key] = val
end
elseif val then
entry[key] = val
end
end

if callback then
callback(entry)
else
connt[#connt+1] = entry
end
end
end

return callback and true or connt
end

function net.devices()
local devs = {}
for k, v in ipairs(nixio.getifaddrs()) do
if v.family == "packet" then
devs[#devs+1] = v.name
end
end
return devs
end

function net.deviceinfo()
local devs = {}
for k, v in ipairs(nixio.getifaddrs()) do
if v.family == "packet" then
local d = v.data
d[1] = d.rx_bytes
d[2] = d.rx_packets
d[3] = d.rx_errors
d[4] = d.rx_dropped
d[5] = 0
d[6] = 0
d[7] = 0
d[8] = d.multicast
d[9] = d.tx_bytes
d[10] = d.tx_packets
d[11] = d.tx_errors
d[12] = d.tx_dropped
d[13] = 0
d[14] = d.collisions
d[15] = 0
d[16] = 0
devs[v.name] = d
end
end
return devs
end

--			The following fields are defined for route entry tables:
--			{ "dest", "gateway", "metric", "refcount", "usecount", "irtt",
--			  "flags", "device" }
function net.routes(callback)
local routes = { }

for line in io.lines("/proc/net/route") do

local dev, dst_ip, gateway, flags, refcnt, usecnt, metric,
dst_mask, mtu, win, irtt = line:match(
"([^%s]+)\t([A-F0-9]+)\t([A-F0-9]+)\t([A-F0-9]+)\t" ..
"(%d+)\t(%d+)\t(%d+)\t([A-F0-9]+)\t(%d+)\t(%d+)\t(%d+)"
)

if dev then
gateway  = luci.ip.Hex( gateway,  32, luci.ip.FAMILY_INET4 )
dst_mask = luci.ip.Hex( dst_mask, 32, luci.ip.FAMILY_INET4 )
dst_ip   = luci.ip.Hex(
dst_ip, dst_mask:prefix(dst_mask), luci.ip.FAMILY_INET4
)

local rt = {
dest     = dst_ip,
gateway  = gateway,
metric   = tonumber(metric),
refcount = tonumber(refcnt),
usecount = tonumber(usecnt),
mtu      = tonumber(mtu),
window   = tonumber(window),
irtt     = tonumber(irtt),
flags    = tonumber(flags, 16),
device   = dev
}

if callback then
callback(rt)
else
routes[#routes+1] = rt
end
end
end

return routes
end

--			The following fields are defined for route entry tables:
--			{ "source", "dest", "nexthop", "metric", "refcount", "usecount",
--			  "flags", "device" }
function net.routes6(callback)
if fs.access("/proc/net/ipv6_route", "r") then
local routes = { }

for line in io.lines("/proc/net/ipv6_route") do

local dst_ip, dst_prefix, src_ip, src_prefix, nexthop,
metric, refcnt, usecnt, flags, dev = line:match(
"([a-f0-9]+) ([a-f0-9]+) " ..
"([a-f0-9]+) ([a-f0-9]+) " ..
"([a-f0-9]+) ([a-f0-9]+) " ..
"([a-f0-9]+) ([a-f0-9]+) " ..
"([a-f0-9]+) +([^%s]+)"
)

if dst_ip and dst_prefix and
src_ip and src_prefix and
nexthop and metric and
refcnt and usecnt and
flags and dev
then
src_ip = luci.ip.Hex(
src_ip, tonumber(src_prefix, 16), luci.ip.FAMILY_INET6, false
)

dst_ip = luci.ip.Hex(
dst_ip, tonumber(dst_prefix, 16), luci.ip.FAMILY_INET6, false
)

nexthop = luci.ip.Hex( nexthop, 128, luci.ip.FAMILY_INET6, false )

local rt = {
source   = src_ip,
dest     = dst_ip,
nexthop  = nexthop,
metric   = tonumber(metric, 16),
refcount = tonumber(refcnt, 16),
usecount = tonumber(usecnt, 16),
flags    = tonumber(flags, 16),
device   = dev,

-- lua number is too small for storing the metric
-- add a metric_raw field with the original content
metric_raw = metric
}

if callback then
callback(rt)
else
routes[#routes+1] = rt
end
end
end

return routes
end
end

function net.pingtest(host)
return os.execute("ping -c1 '"..host:gsub("'", '').."' >/dev/null 2>&1")
end

process = {}

function process.info(key)
local s = {uid = nixio.getuid(), gid = nixio.getgid()}
return not key and s or s[key]
end

function process.list()
local data = {}
local k
local ps = luci.util.execi("/bin/busybox top -bn1")

if not ps then
return
end

for line in ps do
local pid, ppid, user, stat, vsz, mem, cpu, cmd = line:match(
"^ *(%d+) +(%d+) +(%S.-%S) +([RSDZTW][W ][<N ]) +(%d+) +(%d+%%) +(%d+%%) +(.+)"
)

local idx = tonumber(pid)
if idx then
data[idx] = {
['PID']     = pid,
['PPID']    = ppid,
['USER']    = user,
['STAT']    = stat,
['VSZ']     = vsz,
['%MEM']    = mem,
['%CPU']    = cpu,
['COMMAND'] = cmd
}
end
end

return data
end

function process.setgroup(gid)
return nixio.setgid(gid)
end

function process.setuser(uid)
return nixio.setuid(uid)
end

process.signal = nixio.kill

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)
if password then
password = password:gsub("'", [['"'"']])
end

if username then
username = username:gsub("'", [['"'"']])
end

return os.execute(
"(echo '" .. password .. "'; sleep 1; echo '" .. password .. "') | " ..
"passwd '" .. username .. "' >/dev/null 2>&1"
)
end

wifi = {}

function wifi.getiwinfo(ifname)
local stat, iwinfo = pcall(require, "iwinfo")

if ifname then
local d, n = ifname:match("^(%w+)%.network(%d+)")
local wstate = luci.util.ubus("network.wireless", "status") or { }

d = d or ifname
n = n and tonumber(n) or 1

if type(wstate[d]) == "table" and
type(wstate[d].interfaces) == "table" and
type(wstate[d].interfaces
) == "table" and
type(wstate[d].interfaces
.ifname) == "string"
then
ifname = wstate[d].interfaces
.ifname
else
ifname = d
end

local t = stat and iwinfo.type(ifname)
local x = t and iwinfo[t] or { }
return setmetatable({}, {
__index = function(t, k)
if k == "ifname" then
return ifname
elseif x[k] then
return x[k](ifname)
end
end
})
end
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

就是那里net那里，改一下。或者直接把所有的代码复制进去就行。