---[[
-LuCI - System library
-
-Description:
-Utilities for interaction with the Linux system
-
-FileId:
-$Id$
-
-License:
-Copyright 2008 Steven Barth <steven@midlink.org>
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-
-]]--
-
+-- 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 nixio = require "nixio"
local fs = require "nixio.fs"
local uci = require "luci.model.uci"
+local ntm = require "luci.model.network"
local luci = {}
luci.util = require "luci.util"
tonumber, ipairs, pairs, pcall, type, next, setmetatable, require, select
---- LuCI Linux and POSIX system utilities.
module "luci.sys"
---- Execute a given shell command and return the error code
--- @class function
--- @name call
--- @param ... Command to call
--- @return Error code of the command
function call(...)
return os.execute(...) / 256
end
---- Execute a given shell command and capture its standard output
--- @class function
--- @name exec
--- @param command Command to call
--- @return String containg the return the output of the command
exec = luci.util.exec
---- Retrieve information about currently mounted file systems.
--- @return Table containing mount information
function mounts()
local data = {}
local k = {"fs", "blocks", "used", "available", "percent", "mountpoint"}
return data
end
---- Retrieve environment variables. If no variable is given then a table
-- 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.
--- @class function
--- @name getenv
--- @param var Name of the environment variable to retrieve (optional)
--- @return String containg the value of the specified variable
--- @return Table containing all variables if no variable name is given
getenv = nixio.getenv
---- Get or set the current hostname.
--- @param String containing a new hostname to set (optional)
--- @return String containing the system hostname
function hostname(newname)
if type(newname) == "string" and #newname > 0 then
fs.writefile( "/proc/sys/kernel/hostname", newname )
end
end
---- Returns the contents of a documented referred by an URL.
--- @param url The URL to retrieve
--- @param stream Return a stream instead of a buffer
--- @param target Directly write to target file name
--- @return String containing the contents of given the URL
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("'", "").."'")
+ return source("wget -qO- %s" % luci.util.shellquote(url))
else
- return os.execute("wget -qO '%s' '%s'" %
- {target:gsub("'", ""), url:gsub("'", "")})
+ return os.execute("wget -qO %s %s" %
+ {luci.util.shellquote(target), luci.util.shellquote(url)})
end
end
---- Initiate a system reboot.
--- @return Return value of os.execute()
function reboot()
return os.execute("reboot >/dev/null 2>&1")
end
---- Retrieves the output of the "logread" command.
--- @return String containing the current log buffer
function syslog()
return luci.util.exec("logread")
end
---- Retrieves the output of the "dmesg" command.
--- @return String containing the current log buffer
function dmesg()
return luci.util.exec("dmesg")
end
---- Generates a random id with specified length.
--- @param bytes Number of bytes for the unique id
--- @return String containing hex encoded id
function uniqueid(bytes)
local rand = fs.readfile("/dev/urandom", bytes)
return rand and nixio.bin.hexlify(rand)
end
---- Returns the current system uptime stats.
--- @return String containing total uptime in seconds
function uptime()
return nixio.sysinfo().uptime
end
---- LuCI system utilities / network related functions.
--- @class module
--- @name luci.sys.net
net = {}
---- Returns the current arp-table entries as two-dimensional table.
--- @return Table of table containing the current arp entries.
--- 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 lookup = { }
local function _add(i, ...)
local k = select(i, ...)
end
end
- if fs.access("/proc/net/arp") then
- for e in io.lines("/proc/net/arp") do
- ip, mac = e:match("^([%d%.]+)%s+%S+%s+%S+%s+([a-fA-F0-9:]+)%s+")
- if ip and mac then
- _add(what, mac:upper(), ip, nil, nil)
- end
+ luci.ip.neighbors(nil, function(neigh)
+ if neigh.mac and neigh.family == 4 then
+ _add(what, neigh.mac:string(), neigh.dest:string(), nil, nil)
+ elseif neigh.mac and neigh.family == 6 then
+ _add(what, neigh.mac:string(), nil, neigh.dest:string(), nil)
end
- 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)
+ mac, name = e:match("^([a-fA-F0-9:-]+)%s+(%S+)")
+ mac = luci.ip.checkmac(mac)
+ if mac and name then
+ if luci.ip.checkip4(name) then
+ _add(what, mac, name, nil, nil)
+ else
+ _add(what, mac, nil, nil, name)
+ end
end
end
end
- if fs.access("/var/dhcp.leases") then
- for e in io.lines("/var/dhcp.leases") do
- mac, ip, name = e:match("^%d+ (%S+) (%S+) (%S+)")
- if mac and ip then
- _add(what, mac:upper(), ip, nil, name ~= "*" and name)
+ 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+)")
+ mac = luci.ip.checkmac(mac)
+ if mac and ip then
+ _add(what, mac, ip, nil, name ~= "*" and name)
+ end
+ 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)
+ mac = luci.ip.checkmac(mac)
+ if mac then
+ _add(what, mac, s.ip, nil, s.name)
+ end
end
end)
end
end
+ for _, e in pairs(hosts) do
+ lookup[#lookup+1] = (what > 1) and e[what] or (e[2] or e[3])
+ end
+
+ if #lookup > 0 then
+ lookup = luci.util.ubus("network.rrdns", "lookup", {
+ addrs = lookup,
+ timeout = 250,
+ limit = 1000
+ }) or { }
+ end
+
for _, e in luci.util.kspairs(hosts) do
- callback(e[1], e[2], e[3], e[4])
+ callback(e[1], e[2], e[3], lookup[e[2]] or lookup[e[3]] or e[4])
end
end
---- Returns a two-dimensional table of mac address hints.
--- @return Table of table containing known hosts from various sources.
-- 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
+ name = name or v4
if name and name ~= mac then
- callback(mac, name or nixio.getnameinfo(v4 or v6, nil, 100) or v4)
+ callback(mac, name 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
+ name = name or v4
if name and name ~= mac then
- rv[#rv+1] = { mac, name or nixio.getnameinfo(v4 or v6, nil, 100) or v4 }
+ rv[#rv+1] = { mac, name or v4 }
end
end)
return rv
end
end
---- Returns a two-dimensional table of IPv4 address hints.
--- @return Table of table containing known hosts from various sources.
-- 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
+ name = name or mac
if name and name ~= v4 then
callback(v4, name)
end
else
local rv = { }
_nethints(2, function(mac, v4, v6, name)
- name = name or nixio.getnameinfo(v4, nil, 100) or mac
+ name = name or mac
if name and name ~= v4 then
rv[#rv+1] = { v4, name }
end
end
end
---- Returns a two-dimensional table of IPv6 address hints.
--- @return Table of table containing known hosts from various sources.
-- 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
+ name = name or mac
if name and name ~= v6 then
callback(v6, name)
end
else
local rv = { }
_nethints(3, function(mac, v4, v6, name)
- name = name or nixio.getnameinfo(v6, nil, 100) or mac
+ name = name or mac
if name and name ~= v6 then
rv[#rv+1] = { v6, name }
end
end
end
---- Returns conntrack information
--- @return Table with the currently tracked IP connections
-function net.conntrack(callback)
- local connt = {}
- if fs.access("/proc/net/nf_conntrack", "r") then
- for line in io.lines("/proc/net/nf_conntrack") do
- line = line:match "^(.-( [^ =]+=).-)%2"
- local entry, flags = _parse_mixed_record(line, " +")
- if flags[6] ~= "TIME_WAIT" then
- entry.layer3 = flags[1]
- entry.layer4 = flags[3]
- for i=1, #entry do
- entry[i] = nil
- end
-
- if callback then
- callback(entry)
- else
- connt[#connt+1] = entry
- end
- end
- end
- elseif fs.access("/proc/net/ip_conntrack", "r") then
- for line in io.lines("/proc/net/ip_conntrack") do
- line = line:match "^(.-( [^ =]+=).-)%2"
- local entry, flags = _parse_mixed_record(line, " +")
- if flags[4] ~= "TIME_WAIT" then
- entry.layer3 = "ipv4"
- entry.layer4 = flags[1]
- for i=1, #entry do
- entry[i] = nil
- end
-
- if callback then
- callback(entry)
- else
- connt[#connt+1] = entry
- 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
+ end)
else
- return nil
+ 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
- return connt
end
---- Determine the current IPv4 default route. If multiple default routes exist,
--- return the one with the lowest metric.
--- @return Table with the properties of the current default route.
--- The following fields are defined:
--- { "dest", "gateway", "metric", "refcount", "usecount", "irtt",
--- "flags", "device" }
-function net.defaultroute()
- local route
+function net.conntrack(callback)
+ local ok, nfct = pcall(io.lines, "/proc/net/nf_conntrack")
+ if not ok or not nfct then
+ return nil
+ end
- net.routes(function(rt)
- if rt.dest:prefix() == 0 and (not route or route.metric > rt.metric) then
- route = rt
- end
- 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+) +(.+)$")
- return route
-end
+ if fam and l3 and l4 and timeout and not tuples:match("^TIME_WAIT ") then
+ l4 = nixio.getprotobynumber(l4)
---- Determine the current IPv6 default route. If multiple default routes exist,
--- return the one with the lowest metric.
--- @return Table with the properties of the current default route.
--- The following fields are defined:
--- { "source", "dest", "nexthop", "metric", "refcount", "usecount",
--- "flags", "device" }
-function net.defaultroute6()
- local route
+ local entry = {
+ bytes = 0,
+ packets = 0,
+ layer3 = fam,
+ layer4 = l4 and l4.name or "unknown",
+ timeout = tonumber(timeout, 10)
+ }
- net.routes6(function(rt)
- if rt.dest:prefix() == 0 and rt.device ~= "lo" and
- (not route or route.metric > rt.metric)
- then
- route = rt
- end
- end)
+ 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 not route then
- local global_unicast = luci.ip.IPv6("2000::/3")
- net.routes6(function(rt)
- if rt.dest:equal(global_unicast) and
- (not route or route.metric > rt.metric)
- then
- route = rt
+ if callback then
+ callback(entry)
+ else
+ connt[#connt+1] = entry
end
- end)
+ end
end
- return route
+ return callback and true or connt
end
---- Determine the names of available network interfaces.
--- @return Table containing all current interface names
function net.devices()
local devs = {}
+ local seen = {}
for k, v in ipairs(nixio.getifaddrs()) do
- if v.family == "packet" then
+ if v.name and not seen[v.name] then
+ seen[v.name] = true
devs[#devs+1] = v.name
end
end
end
---- Return information about available network interfaces.
--- @return Table containing all current interface names and their information
-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
-
-
--- Determine the MAC address belonging to the given IP address.
--- @param ip IPv4 address
--- @return String containing the MAC address or nil if it cannot be found
-function net.ip4mac(ip)
- local mac = nil
- net.arptable(function(e)
- if e["IP address"] == ip then
- mac = e["HW address"]
- end
- end)
- return mac
-end
-
---- Returns the current kernel routing table entries.
--- @return Table of tables with properties of the corresponding routes.
--- 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
-
---- Returns the current ipv6 kernel routing table entries.
--- @return Table of tables with properties of the corresponding routes.
--- 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
-
---- Tests whether the given host responds to ping probes.
--- @param host String containing a hostname or IPv4 address
--- @return Number containing 0 on success and >= 1 on error
-function net.pingtest(host)
- return os.execute("ping -c1 '"..host:gsub("'", '').."' >/dev/null 2>&1")
-end
-
-
---- LuCI system utilities / process related functions.
--- @class module
--- @name luci.sys.process
process = {}
---- Get the current process id.
--- @class function
--- @name process.info
--- @return Number containing the current pid
function process.info(key)
local s = {uid = nixio.getuid(), gid = nixio.getgid()}
return not key and s or s[key]
end
---- Retrieve information about currently running processes.
--- @return Table containing process information
function process.list()
local data = {}
local k
return data
end
---- Set the gid of a process identified by given pid.
--- @param gid Number containing the Unix group id
--- @return Boolean indicating successful operation
--- @return String containing the error message if failed
--- @return Number containing the error code if failed
function process.setgroup(gid)
return nixio.setgid(gid)
end
---- Set the uid of a process identified by given pid.
--- @param uid Number containing the Unix user id
--- @return Boolean indicating successful operation
--- @return String containing the error message if failed
--- @return Number containing the error code if failed
function process.setuser(uid)
return nixio.setuid(uid)
end
---- Send a signal to a process identified by given pid.
--- @class function
--- @name process.signal
--- @param pid Number containing the process id
--- @param sig Signal to send (default: 15 [SIGTERM])
--- @return Boolean indicating successful operation
--- @return Number containing the error code if failed
process.signal = nixio.kill
---- LuCI system utilities / user related functions.
--- @class module
--- @name luci.sys.user
user = {}
---- Retrieve user informations for given uid.
--- @class function
--- @name getuser
--- @param uid Number containing the Unix user id
--- @return Table containing the following fields:
-- { "uid", "gid", "name", "passwd", "dir", "shell", "gecos" }
user.getuser = nixio.getpw
---- Retrieve the current user password hash.
--- @param username String containing the username to retrieve the password for
--- @return String containing the hash or nil if no password is set.
--- @return Password database entry
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)
end
end
---- Test whether given string matches the password of a given system user.
--- @param username String containing the Unix user name
--- @param pass String containing the password to compare
--- @return Boolean indicating wheather the passwords are equal
function user.checkpasswd(username, pass)
local pwh, pwe = user.getpasswd(username)
if pwe then
return false
end
---- Change the password of given user.
--- @param username String containing the Unix user name
--- @param password String containing the password to compare
--- @return Number containing 0 on success and >= 1 on error
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"
- )
+ 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
---- LuCI system utilities / wifi related functions.
--- @class module
--- @name luci.sys.wifi
wifi = {}
---- Get wireless information for given interface.
--- @param ifname String containing the interface name
--- @return A wrapped iwinfo object instance
function wifi.getiwinfo(ifname)
- local stat, iwinfo = pcall(require, "iwinfo")
-
- if ifname then
- local c = 0
- local u = uci.cursor_state()
- local d, n = ifname:match("^(%w+)%.network(%d+)")
- if d and n then
- ifname = d
- n = tonumber(n)
- u:foreach("wireless", "wifi-iface",
- function(s)
- if s.device == d then
- c = c + 1
- if c == n then
- ifname = s.ifname or s.device
- return false
- end
- end
- end)
- elseif u:get("wireless", ifname) == "wifi-device" then
- u:foreach("wireless", "wifi-iface",
- function(s)
- if s.device == ifname and s.ifname then
- ifname = s.ifname
- return false
- end
- end)
- end
+ ntm.init()
- 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
- })
+ 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
---- LuCI system utilities / init related functions.
--- @class module
--- @name luci.sys.init
init = {}
init.dir = "/etc/init.d/"
---- Get the names of all installed init scripts
--- @return Table containing the names of all inistalled init scripts
function init.names()
local names = { }
for name in fs.glob(init.dir.."*") do
return names
end
---- Get the index of he given init script
--- @param name Name of the init script
--- @return Numeric index value
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"
end
end
---- Test whether the given init script is enabled
--- @param name Name of the init script
--- @return Boolean indicating whether init is enabled
function init.enabled(name)
return (init_action("enabled", name) == 0)
end
---- Enable the given init script
--- @param name Name of the init script
--- @return Boolean indicating success
function init.enable(name)
return (init_action("enable", name) == 1)
end
---- Disable the given init script
--- @param name Name of the init script
--- @return Boolean indicating success
function init.disable(name)
return (init_action("disable", name) == 0)
end
---- Start the given init script
--- @param name Name of the init script
--- @return Boolean indicating success
function init.start(name)
return (init_action("start", name) == 0)
end
---- Stop the given init script
--- @param name Name of the init script
--- @return Boolean indicating success
function init.stop(name)
return (init_action("stop", name) == 0)
end
-
-
--- Internal functions
-
-function _parse_mixed_record(cnt, delimiter)
- delimiter = delimiter or " "
- local data = {}
- local flags = {}
-
- for i, l in pairs(luci.util.split(luci.util.trim(cnt), "\n")) do
- for j, f in pairs(luci.util.split(luci.util.trim(l), delimiter, nil, true)) do
- local k, x, v = f:match('([^%s][^:=]*) *([:=]*) *"*([^\n"]*)"*')
-
- if k then
- if x == "" then
- table.insert(flags, k)
- else
- data[k] = v
- end
- end
- end
- end
-
- return data, flags
-end
projects / project / luci.git / blobdiff