1 -- Copyright 2008 Steven Barth <steven@midlink.org>
2 -- Licensed to the public under the Apache License 2.0.
4 local io = require "io"
5 local os = require "os"
6 local table = require "table"
7 local nixio = require "nixio"
8 local fs = require "nixio.fs"
9 local uci = require "luci.model.uci"
12 luci.util = require "luci.util"
13 luci.ip = require "luci.ip"
15 local tonumber, ipairs, pairs, pcall, type, next, setmetatable, require, select =
16 tonumber, ipairs, pairs, pcall, type, next, setmetatable, require, select
22 return os.execute(...) / 256
29 local k = {"fs", "blocks", "used", "available", "percent", "mountpoint"}
30 local ps = luci.util.execi("df")
42 for value in line:gmatch("[^%s]+") do
49 -- this is a rather ugly workaround to cope with wrapped lines in
52 -- /dev/scsi/host0/bus0/target0/lun0/part3
53 -- 114382024 93566472 15005244 86% /mnt/usb
59 for value in line:gmatch("[^%s]+") do
65 table.insert(data, row)
72 -- containing the whole environment is returned otherwise this function returns
73 -- the corresponding string value for the given name or nil if no such variable
77 function hostname(newname)
78 if type(newname) == "string" and #newname > 0 then
79 fs.writefile( "/proc/sys/kernel/hostname", newname )
82 return nixio.uname().nodename
86 function httpget(url, stream, target)
88 local source = stream and io.popen or luci.util.exec
89 return source("wget -qO- '"..url:gsub("'", "").."'")
91 return os.execute("wget -qO '%s' '%s'" %
92 {target:gsub("'", ""), url:gsub("'", "")})
97 return os.execute("reboot >/dev/null 2>&1")
101 return luci.util.exec("logread")
105 return luci.util.exec("dmesg")
108 function uniqueid(bytes)
109 local rand = fs.readfile("/dev/urandom", bytes)
110 return rand and nixio.bin.hexlify(rand)
114 return nixio.sysinfo().uptime
120 -- The following fields are defined for arp entry objects:
121 -- { "IP address", "HW address", "HW type", "Flags", "Mask", "Device" }
122 function net.arptable(callback)
123 local arp = (not callback) and {} or nil
125 if fs.access("/proc/net/arp") then
126 for e in io.lines("/proc/net/arp") do
128 for v in e:gmatch("%S+") do
134 ["IP address"] = r[1],
137 ["HW address"] = r[4],
154 local function _nethints(what, callback)
155 local _, k, e, mac, ip, name
156 local cur = uci.cursor()
160 local function _add(i, ...)
161 local k = select(i, ...)
163 if not hosts[k] then hosts[k] = { } end
164 hosts[k][1] = select(1, ...) or hosts[k][1]
165 hosts[k][2] = select(2, ...) or hosts[k][2]
166 hosts[k][3] = select(3, ...) or hosts[k][3]
167 hosts[k][4] = select(4, ...) or hosts[k][4]
171 luci.ip.neighbors(nil, function(neigh)
172 if neigh.mac and neigh.family == 4 then
173 _add(what, neigh.mac:upper(), neigh.dest:string(), nil, nil)
174 elseif neigh.mac and neigh.family == 6 then
175 _add(what, neigh.mac:upper(), nil, neigh.dest:string(), nil)
179 if fs.access("/etc/ethers") then
180 for e in io.lines("/etc/ethers") do
181 mac, ip = e:match("^([a-f0-9]%S+) (%S+)")
183 _add(what, mac:upper(), ip, nil, nil)
188 cur:foreach("dhcp", "dnsmasq",
190 if s.leasefile and fs.access(s.leasefile) then
191 for e in io.lines(s.leasefile) do
192 mac, ip, name = e:match("^%d+ (%S+) (%S+) (%S+)")
194 _add(what, mac:upper(), ip, nil, name ~= "*" and name)
201 cur:foreach("dhcp", "host",
203 for mac in luci.util.imatch(s.mac) do
204 _add(what, mac:upper(), s.ip, nil, s.name)
208 for _, e in ipairs(nixio.getifaddrs()) do
209 if e.name ~= "lo" then
210 ifn[e.name] = ifn[e.name] or { }
211 if e.family == "packet" and e.addr and #e.addr == 17 then
212 ifn[e.name][1] = e.addr:upper()
213 elseif e.family == "inet" then
214 ifn[e.name][2] = e.addr
215 elseif e.family == "inet6" then
216 ifn[e.name][3] = e.addr
221 for _, e in pairs(ifn) do
222 if e[what] and (e[2] or e[3]) then
223 _add(what, e[1], e[2], e[3], e[4])
227 for _, e in luci.util.kspairs(hosts) do
228 callback(e[1], e[2], e[3], e[4])
232 -- Each entry contains the values in the following order:
234 function net.mac_hints(callback)
236 _nethints(1, function(mac, v4, v6, name)
237 name = name or nixio.getnameinfo(v4 or v6, nil, 100) or v4
238 if name and name ~= mac then
239 callback(mac, name or nixio.getnameinfo(v4 or v6, nil, 100) or v4)
244 _nethints(1, function(mac, v4, v6, name)
245 name = name or nixio.getnameinfo(v4 or v6, nil, 100) or v4
246 if name and name ~= mac then
247 rv[#rv+1] = { mac, name or nixio.getnameinfo(v4 or v6, nil, 100) or v4 }
254 -- Each entry contains the values in the following order:
256 function net.ipv4_hints(callback)
258 _nethints(2, function(mac, v4, v6, name)
259 name = name or nixio.getnameinfo(v4, nil, 100) or mac
260 if name and name ~= v4 then
266 _nethints(2, function(mac, v4, v6, name)
267 name = name or nixio.getnameinfo(v4, nil, 100) or mac
268 if name and name ~= v4 then
269 rv[#rv+1] = { v4, name }
276 -- Each entry contains the values in the following order:
278 function net.ipv6_hints(callback)
280 _nethints(3, function(mac, v4, v6, name)
281 name = name or nixio.getnameinfo(v6, nil, 100) or mac
282 if name and name ~= v6 then
288 _nethints(3, function(mac, v4, v6, name)
289 name = name or nixio.getnameinfo(v6, nil, 100) or mac
290 if name and name ~= v6 then
291 rv[#rv+1] = { v6, name }
298 function net.host_hints(callback)
300 _nethints(1, function(mac, v4, v6, name)
301 if mac and mac ~= "00:00:00:00:00:00" and (v4 or v6 or name) then
302 callback(mac, v4, v6, name)
307 _nethints(1, function(mac, v4, v6, name)
308 if mac and mac ~= "00:00:00:00:00:00" and (v4 or v6 or name) then
310 if v4 then e.ipv4 = v4 end
311 if v6 then e.ipv6 = v6 end
312 if name then e.name = name end
320 function net.conntrack(callback)
321 local ok, nfct = pcall(io.lines, "/proc/net/nf_conntrack")
322 if not ok or not nfct then
326 local line, connt = nil, (not callback) and { }
328 local fam, l3, l4, timeout, state, tuples =
329 line:match("^(ipv[46]) +(%d+) +%S+ +(%d+) +(%d+) +([A-Z_]+) +(.+)$")
331 if fam and l3 and l4 and timeout and state and tuples and
334 l4 = nixio.getprotobynumber(l4)
340 layer4 = l4 and l4.name or "unknown",
341 timeout = tonumber(timeout, 10)
345 for key, val in tuples:gmatch("(%w+)=(%S+)") do
346 if key == "bytes" or key == "packets" then
347 entry[key] = entry[key] + tonumber(val, 10)
348 elseif key == "src" or key == "dst" or key == "sport" or key == "dport" then
349 if entry[key] == nil then
360 connt[#connt+1] = entry
365 return callback and true or connt
368 function net.devices()
370 for k, v in ipairs(nixio.getifaddrs()) do
371 if v.family == "packet" then
372 devs[#devs+1] = v.name
379 function net.deviceinfo()
381 for k, v in ipairs(nixio.getifaddrs()) do
382 if v.family == "packet" then
407 -- The following fields are defined for route entry tables:
408 -- { "dest", "gateway", "metric", "refcount", "usecount", "irtt",
409 -- "flags", "device" }
410 function net.routes(callback)
413 for line in io.lines("/proc/net/route") do
415 local dev, dst_ip, gateway, flags, refcnt, usecnt, metric,
416 dst_mask, mtu, win, irtt = line:match(
417 "([^%s]+)\t([A-F0-9]+)\t([A-F0-9]+)\t([A-F0-9]+)\t" ..
418 "(%d+)\t(%d+)\t(%d+)\t([A-F0-9]+)\t(%d+)\t(%d+)\t(%d+)"
422 gateway = luci.ip.Hex( gateway, 32, luci.ip.FAMILY_INET4 )
423 dst_mask = luci.ip.Hex( dst_mask, 32, luci.ip.FAMILY_INET4 )
424 dst_ip = luci.ip.Hex(
425 dst_ip, dst_mask:prefix(dst_mask), luci.ip.FAMILY_INET4
431 metric = tonumber(metric),
432 refcount = tonumber(refcnt),
433 usecount = tonumber(usecnt),
435 window = tonumber(window),
436 irtt = tonumber(irtt),
437 flags = tonumber(flags, 16),
444 routes[#routes+1] = rt
452 -- The following fields are defined for route entry tables:
453 -- { "source", "dest", "nexthop", "metric", "refcount", "usecount",
454 -- "flags", "device" }
455 function net.routes6(callback)
456 if fs.access("/proc/net/ipv6_route", "r") then
459 for line in io.lines("/proc/net/ipv6_route") do
461 local dst_ip, dst_prefix, src_ip, src_prefix, nexthop,
462 metric, refcnt, usecnt, flags, dev = line:match(
463 "([a-f0-9]+) ([a-f0-9]+) " ..
464 "([a-f0-9]+) ([a-f0-9]+) " ..
465 "([a-f0-9]+) ([a-f0-9]+) " ..
466 "([a-f0-9]+) ([a-f0-9]+) " ..
467 "([a-f0-9]+) +([^%s]+)"
470 if dst_ip and dst_prefix and
471 src_ip and src_prefix and
472 nexthop and metric and
473 refcnt and usecnt and
476 src_ip = luci.ip.Hex(
477 src_ip, tonumber(src_prefix, 16), luci.ip.FAMILY_INET6, false
480 dst_ip = luci.ip.Hex(
481 dst_ip, tonumber(dst_prefix, 16), luci.ip.FAMILY_INET6, false
484 nexthop = luci.ip.Hex( nexthop, 128, luci.ip.FAMILY_INET6, false )
490 metric = tonumber(metric, 16),
491 refcount = tonumber(refcnt, 16),
492 usecount = tonumber(usecnt, 16),
493 flags = tonumber(flags, 16),
496 -- lua number is too small for storing the metric
497 -- add a metric_raw field with the original content
504 routes[#routes+1] = rt
513 function net.pingtest(host)
514 return os.execute("ping -c1 '"..host:gsub("'", '').."' >/dev/null 2>&1")
520 function process.info(key)
521 local s = {uid = nixio.getuid(), gid = nixio.getgid()}
522 return not key and s or s[key]
525 function process.list()
528 local ps = luci.util.execi("/bin/busybox top -bn1")
535 local pid, ppid, user, stat, vsz, mem, cpu, cmd = line:match(
536 "^ *(%d+) +(%d+) +(%S.-%S) +([RSDZTW][W ][<N ]) +(%d+) +(%d+%%) +(%d+%%) +(.+)"
539 local idx = tonumber(pid)
557 function process.setgroup(gid)
558 return nixio.setgid(gid)
561 function process.setuser(uid)
562 return nixio.setuid(uid)
565 process.signal = nixio.kill
570 -- { "uid", "gid", "name", "passwd", "dir", "shell", "gecos" }
571 user.getuser = nixio.getpw
573 function user.getpasswd(username)
574 local pwe = nixio.getsp and nixio.getsp(username) or nixio.getpw(username)
575 local pwh = pwe and (pwe.pwdp or pwe.passwd)
576 if not pwh or #pwh < 1 or pwh == "!" or pwh == "x" then
583 function user.checkpasswd(username, pass)
584 local pwh, pwe = user.getpasswd(username)
586 return (pwh == nil or nixio.crypt(pass, pwh) == pwh)
591 function user.setpasswd(username, password)
593 password = password:gsub("'", [['"'"']])
597 username = username:gsub("'", [['"'"']])
601 "(echo '" .. password .. "'; sleep 1; echo '" .. password .. "') | " ..
602 "passwd '" .. username .. "' >/dev/null 2>&1"
609 function wifi.getiwinfo(ifname)
610 local stat, iwinfo = pcall(require, "iwinfo")
613 local d, n = ifname:match("^(%w+)%.network(%d+)")
614 local wstate = luci.util.ubus("network.wireless", "status") or { }
617 n = n and tonumber(n) or 1
619 if type(wstate[d]) == "table" and
620 type(wstate[d].interfaces) == "table" and
621 type(wstate[d].interfaces[n]) == "table" and
622 type(wstate[d].interfaces[n].ifname) == "string"
624 ifname = wstate[d].interfaces[n].ifname
629 local t = stat and iwinfo.type(ifname)
630 local x = t and iwinfo[t] or { }
631 return setmetatable({}, {
632 __index = function(t, k)
633 if k == "ifname" then
645 init.dir = "/etc/init.d/"
647 function init.names()
649 for name in fs.glob(init.dir.."*") do
650 names[#names+1] = fs.basename(name)
655 function init.index(name)
656 if fs.access(init.dir..name) then
657 return call("env -i sh -c 'source %s%s enabled; exit ${START:-255}' >/dev/null"
662 local function init_action(action, name)
663 if fs.access(init.dir..name) then
664 return call("env -i %s%s %s >/dev/null" %{ init.dir, name, action })
668 function init.enabled(name)
669 return (init_action("enabled", name) == 0)
672 function init.enable(name)
673 return (init_action("enable", name) == 1)
676 function init.disable(name)
677 return (init_action("disable", name) == 0)
680 function init.start(name)
681 return (init_action("start", name) == 0)
684 function init.stop(name)
685 return (init_action("stop", name) == 0)