module("ffluci.sys", package.seeall)
require("posix")
+require("ffluci.bits")
+require("ffluci.util")
-- Runs "command" and returns its output
function exec(command)
function flash(image, kpattern)
local cmd = "ffluci-flash "
if kpattern then
- cmd = cmd .. "-k '" .. kapttern:gsub("'", "") .. "' "
+ cmd = cmd .. "-k '" .. kpattern:gsub("'", "") .. "' "
end
- cmd = cmd .. "'" .. image:gsub("'", "") .. "'"
+ cmd = cmd .. "'" .. image:gsub("'", "") .. "' >/dev/null 2>&1"
return os.execute(cmd)
end
return io.lines("/proc/sys/kernel/hostname")()
end
+-- Returns the contents of a documented referred by an URL
+function httpget(url)
+ return exec("wget -qO- '"..url:gsub("'", "").."'")
+end
+
-- Returns the load average
function loadavg()
local loadavg = io.lines("/proc/loadavg")()
return os.execute("reboot >/dev/null 2>&1")
end
+-- Returns the system type, cpu name, and installed physical memory
+function sysinfo()
+ local c1 = "cat /proc/cpuinfo|grep system\\ typ|cut -d: -f2 2>/dev/null"
+ local c2 = "uname -m 2>/dev/null"
+ local c3 = "cat /proc/cpuinfo|grep model\\ name|cut -d: -f2 2>/dev/null"
+ local c4 = "cat /proc/cpuinfo|grep cpu\\ model|cut -d: -f2 2>/dev/null"
+ local c5 = "cat /proc/meminfo|grep MemTotal|cut -d: -f2 2>/dev/null"
+
+ local s = ffluci.util.trim(exec(c1))
+ local m = ""
+ local r = ""
+
+ if s == "" then
+ s = ffluci.util.trim(exec(c2))
+ m = ffluci.util.trim(exec(c3))
+ else
+ m = ffluci.util.trim(exec(c4))
+ end
+
+ r = ffluci.util.trim(exec(c5))
+
+ return s, m, r
+end
+
group = {}
group.getgroup = posix.getgroup
net = {}
+-- Returns whether an IP-Adress belongs to a certain net
+function net.belongs(ip, net)
+ local netparts = ffluci.util.split(net, "/")
+
+ if #netparts ~= 2 then
+ return nil
+ end
+
+ local binadr = net.ip4bin(ip)
+ local binnet = net.ip4bin(netparts[1])
+
+ return (binadr:sub(1, netparts[2]) == binnet:sub(1, netparts[2]))
+end
+
-- Returns all available network interfaces
function net.devices()
local devices = {}
return devices
end
+-- Returns the kernel routing table
+function net.routes()
+ return _parse_delimited_table(io.lines("/proc/net/route"))
+end
+
+-- Returns the numeric IP to a given hexstring
+function net.hexip4(hex)
+ if #hex ~= 8 then
+ return nil
+ end
+
+ local hexdec = ffluci.bits.Hex2Dec
+
+ local ip = ""
+ ip = ip .. tostring(hexdec(hex:sub(7,8))) .. "."
+ ip = ip .. tostring(hexdec(hex:sub(5,6))) .. "."
+ ip = ip .. tostring(hexdec(hex:sub(3,4))) .. "."
+ ip = ip .. tostring(hexdec(hex:sub(1,2)))
+
+ return ip
+end
+
+-- Returns the binary IP to a given IP
+function net.ip4bin(ip)
+ local parts = ffluci.util.split(ip, '%.')
+ if #parts ~= 4 then
+ return nil
+ end
+
+ local decbin = ffluci.bits.Dec2Bin
+
+ local bin = ""
+ bin = bin .. decbin(parts[1], 8)
+ bin = bin .. decbin(parts[2], 8)
+ bin = bin .. decbin(parts[3], 8)
+ bin = bin .. decbin(parts[4], 8)
+
+ return bin
+end
+
+-- Tests whether a host is pingable
+function net.pingtest(host)
+ return os.execute("ping -c1 '"..host:gsub("'", '').."' >/dev/null 2>&1")
+end
+
+
process = {}
process.info = posix.getpid
local cmd = "(echo '"..pwd.."';sleep 1;echo '"..pwd.."')|"
cmd = cmd .. "passwd '"..user.."' >/dev/null 2>&1"
return os.execute(cmd)
+end
+
+
+wifi = {}
+
+function wifi.getiwconfig()
+ local cnt = exec("/usr/sbin/iwconfig 2>/dev/null")
+ local iwc = {}
+
+ for i, l in pairs(ffluci.util.split(ffluci.util.trim(cnt), "\n\n")) do
+ local k = l:match("^(.-) ")
+ l = l:gsub("^(.-) +", "", 1)
+ if k then
+ iwc[k] = _parse_mixed_record(l)
+ end
+ end
+
+ return iwc
+end
+
+function wifi.iwscan()
+ local cnt = exec("iwlist scan 2>/dev/null")
+ local iws = {}
+
+ for i, l in pairs(ffluci.util.split(ffluci.util.trim(cnt), "\n\n")) do
+ local k = l:match("^(.-) ")
+ l = l:gsub("^[^\n]+", "", 1)
+ if k then
+ iws[k] = {}
+ for j, c in pairs(ffluci.util.split(l, "\n Cell")) do
+ c = c:gsub("^(.-)- ", "", 1)
+ c = ffluci.util.split(c, "\n", 7)
+ c = table.concat(c, "\n", 1, 7)
+ table.insert(iws[k], _parse_mixed_record(c))
+ end
+ end
+ end
+
+ return iws
+end
+
+
+-- Internal functions
+
+function _parse_delimited_table(iter, delimiter)
+ delimiter = delimiter or "\t+"
+
+ local data = {}
+ local trim = ffluci.util.trim
+ local split = ffluci.util.split
+
+ local keys = split(trim(iter()), delimiter)
+ for i, j in pairs(keys) do
+ keys[i] = trim(keys[i])
+ end
+
+ for line in iter do
+ local row = {}
+ line = trim(line)
+ if #line > 0 then
+ for i, j in pairs(split(line, delimiter)) do
+ if keys[i] then
+ row[keys[i]] = j
+ end
+ end
+ end
+ table.insert(data, row)
+ end
+
+ return data
+end
+
+function _parse_mixed_record(cnt)
+ local data = {}
+
+ for i, l in pairs(ffluci.util.split(ffluci.util.trim(cnt), "\n")) do
+ for j, f in pairs(ffluci.util.split(ffluci.util.trim(l), " ")) do
+ local k, x, v = f:match('([^%s][^:=]+) *([:=]*) *"*([^\n"]*)"*')
+
+ if k then
+ if x == "" then
+ table.insert(data, k)
+ else
+ data[k] = v
+ end
+ end
+ end
+ end
+
+ return data
end
\ No newline at end of file
projects / project / luci.git / blobdiff