816 lines
21 KiB
Plaintext
816 lines
21 KiB
Plaintext
![]() |
--[[
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LuCI - System library
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Description:
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Utilities for interaction with the Linux system
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FileId:
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$Id$
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License:
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Copyright 2008 Steven Barth <steven@midlink.org>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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]]--
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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 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 =
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tonumber, ipairs, pairs, pcall, type, next
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--- LuCI Linux and POSIX system utilities.
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module "luci.sys"
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--- Execute a given shell command and return the error code
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-- @class function
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-- @name call
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-- @param ... Command to call
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-- @return Error code of the command
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function call(...)
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return os.execute(...) / 256
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end
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--- Execute a given shell command and capture its standard output
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-- @class function
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-- @name exec
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-- @param command Command to call
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-- @return String containg the return the output of the command
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exec = luci.util.exec
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--- Invoke the luci-flash executable to write an image to the flash memory.
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-- @param image Local path or URL to image file
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-- @param kpattern Pattern of files to keep over flash process
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-- @return Return value of os.execute()
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function flash(image, kpattern)
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local cmd = "luci-flash "
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if kpattern then
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cmd = cmd .. "-k '" .. kpattern:gsub("'", "") .. "' "
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end
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cmd = cmd .. "'" .. image:gsub("'", "") .. "' >/dev/null 2>&1"
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return os.execute(cmd)
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end
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--- Retrieve information about currently mounted file systems.
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-- @return Table containing mount information
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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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--- Retrieve environment variables. If no variable is given then a table
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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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-- @class function
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-- @name getenv
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-- @param var Name of the environment variable to retrieve (optional)
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-- @return String containg the value of the specified variable
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-- @return Table containing all variables if no variable name is given
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getenv = nixio.getenv
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--- Get or set the current hostname.
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-- @param String containing a new hostname to set (optional)
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-- @return String containing the system hostname
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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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--- Returns the contents of a documented referred by an URL.
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-- @param url The URL to retrieve
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-- @param stream Return a stream instead of a buffer
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-- @param target Directly write to target file name
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-- @return String containing the contents of given the URL
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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- '"..url:gsub("'", "").."'")
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else
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return os.execute("wget -qO '%s' '%s'" %
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{target:gsub("'", ""), url:gsub("'", "")})
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end
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end
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--- Returns the system load average values.
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-- @return String containing the average load value 1 minute ago
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-- @return String containing the average load value 5 minutes ago
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-- @return String containing the average load value 15 minutes ago
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function loadavg()
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local info = nixio.sysinfo()
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return info.loads[1], info.loads[2], info.loads[3]
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end
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--- Initiate a system reboot.
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-- @return Return value of os.execute()
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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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--- Returns the system type, cpu name and installed physical memory.
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-- @return String containing the system or platform identifier
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-- @return String containing hardware model information
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-- @return String containing the total memory amount in kB
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-- @return String containing the memory used for caching in kB
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-- @return String containing the memory used for buffering in kB
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-- @return String containing the free memory amount in kB
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function sysinfo()
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local cpuinfo = fs.readfile("/proc/cpuinfo")
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local meminfo = fs.readfile("/proc/meminfo")
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local system = cpuinfo:match("system typ.-:%s*([^\n]+)")
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local model = ""
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local memtotal = tonumber(meminfo:match("MemTotal:%s*(%d+)"))
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local memcached = tonumber(meminfo:match("\nCached:%s*(%d+)"))
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local memfree = tonumber(meminfo:match("MemFree:%s*(%d+)"))
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local membuffers = tonumber(meminfo:match("Buffers:%s*(%d+)"))
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if not system then
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system = nixio.uname().machine
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model = cpuinfo:match("model name.-:%s*([^\n]+)")
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if not model then
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model = cpuinfo:match("Processor.-:%s*([^\n]+)")
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end
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else
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model = cpuinfo:match("cpu model.-:%s*([^\n]+)")
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end
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return system, model, memtotal, memcached, membuffers, memfree
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end
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--- Retrieves the output of the "logread" command.
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-- @return String containing the current log buffer
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function syslog()
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return luci.util.exec("logread")
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end
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--- Retrieves the output of the "dmesg" command.
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-- @return String containing the current log buffer
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function dmesg()
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return luci.util.exec("dmesg")
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end
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--- Generates a random id with specified length.
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-- @param bytes Number of bytes for the unique id
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-- @return String containing hex encoded id
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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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--- Returns the current system uptime stats.
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-- @return String containing total uptime in seconds
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function uptime()
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return nixio.sysinfo().uptime
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end
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--- LuCI system utilities / network related functions.
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-- @class module
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-- @name luci.sys.net
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net = {}
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--- Returns the current arp-table entries as two-dimensional table.
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-- @return Table of table containing the current arp entries.
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-- The following fields are defined for arp entry objects:
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-- { "IP address", "HW address", "HW type", "Flags", "Mask", "Device" }
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function net.arptable(callback)
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return _parse_delimited_table(io.lines("/proc/net/arp"), "%s%s+", callback)
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end
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--- Returns conntrack information
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-- @return Table with the currently tracked IP connections
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function net.conntrack(callback)
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local connt = {}
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if fs.access("/proc/net/nf_conntrack", "r") then
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for line in io.lines("/proc/net/nf_conntrack") do
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line = line:match "^(.-( [^ =]+=).-)%2"
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local entry, flags = _parse_mixed_record(line, " +")
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entry.layer3 = flags[1]
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entry.layer4 = flags[3]
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for i=1, #entry do
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entry[i] = nil
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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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elseif fs.access("/proc/net/ip_conntrack", "r") then
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for line in io.lines("/proc/net/ip_conntrack") do
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line = line:match "^(.-( [^ =]+=).-)%2"
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local entry, flags = _parse_mixed_record(line, " +")
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entry.layer3 = "ipv4"
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entry.layer4 = flags[1]
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for i=1, #entry do
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entry[i] = nil
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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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else
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return nil
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end
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return connt
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end
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--- Determine the current IPv4 default route. If multiple default routes exist,
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-- return the one with the lowest metric.
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-- @return Table with the properties of the current default route.
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-- The following fields are defined:
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-- { "dest", "gateway", "metric", "refcount", "usecount", "irtt",
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-- "flags", "device" }
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function net.defaultroute()
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local route
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net.routes(function(rt)
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if rt.dest:prefix() == 0 and (not route or route.metric > rt.metric) then
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route = rt
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end
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end)
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return route
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end
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--- Determine the current IPv6 default route. If multiple default routes exist,
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-- return the one with the lowest metric.
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-- @return Table with the properties of the current default route.
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-- The following fields are defined:
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-- { "source", "dest", "nexthop", "metric", "refcount", "usecount",
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-- "flags", "device" }
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function net.defaultroute6()
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local route
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net.routes6(function(rt)
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if rt.dest:prefix() == 0 and (not route or route.metric > rt.metric) then
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route = rt
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end
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end)
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return route
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end
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--- Determine the names of available network interfaces.
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-- @return Table containing all current interface names
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function net.devices()
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local devs = {}
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for k, v in ipairs(nixio.getifaddrs()) do
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if v.family == "packet" then
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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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--- Return information about available network interfaces.
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-- @return Table containing all current interface names and their information
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function net.deviceinfo()
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local devs = {}
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for k, v in ipairs(nixio.getifaddrs()) do
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if v.family == "packet" then
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local d = v.data
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d[1] = d.rx_bytes
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d[2] = d.rx_packets
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d[3] = d.rx_errors
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d[4] = d.rx_dropped
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d[5] = 0
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d[6] = 0
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d[7] = 0
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d[8] = d.multicast
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d[9] = d.tx_bytes
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d[10] = d.tx_packets
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d[11] = d.tx_errors
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d[12] = d.tx_dropped
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d[13] = 0
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d[14] = d.collisions
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d[15] = 0
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d[16] = 0
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devs[v.name] = d
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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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-- Determine the MAC address belonging to the given IP address.
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-- @param ip IPv4 address
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-- @return String containing the MAC address or nil if it cannot be found
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function net.ip4mac(ip)
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local mac = nil
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net.arptable(function(e)
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if e["IP address"] == ip then
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mac = e["HW address"]
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end
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end)
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return mac
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end
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--- Returns the current kernel routing table entries.
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-- @return Table of tables with properties of the corresponding routes.
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-- The following fields are defined for route entry tables:
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-- { "dest", "gateway", "metric", "refcount", "usecount", "irtt",
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-- "flags", "device" }
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function net.routes(callback)
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local routes = { }
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for line in io.lines("/proc/net/route") do
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local dev, dst_ip, gateway, flags, refcnt, usecnt, metric,
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dst_mask, mtu, win, irtt = line:match(
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"([^%s]+)\t([A-F0-9]+)\t([A-F0-9]+)\t([A-F0-9]+)\t" ..
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"(%d+)\t(%d+)\t(%d+)\t([A-F0-9]+)\t(%d+)\t(%d+)\t(%d+)"
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)
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if dev then
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gateway = luci.ip.Hex( gateway, 32, luci.ip.FAMILY_INET4 )
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dst_mask = luci.ip.Hex( dst_mask, 32, luci.ip.FAMILY_INET4 )
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dst_ip = luci.ip.Hex(
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dst_ip, dst_mask:prefix(dst_mask), luci.ip.FAMILY_INET4
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)
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local rt = {
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dest = dst_ip,
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gateway = gateway,
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metric = tonumber(metric),
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refcount = tonumber(refcnt),
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usecount = tonumber(usecnt),
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mtu = tonumber(mtu),
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window = tonumber(window),
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irtt = tonumber(irtt),
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flags = tonumber(flags, 16),
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device = dev
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}
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if callback then
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callback(rt)
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else
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routes[#routes+1] = rt
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end
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end
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end
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return routes
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end
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--- Returns the current ipv6 kernel routing table entries.
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-- @return Table of tables with properties of the corresponding routes.
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-- The following fields are defined for route entry tables:
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-- { "source", "dest", "nexthop", "metric", "refcount", "usecount",
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-- "flags", "device" }
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function net.routes6(callback)
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if fs.access("/proc/net/ipv6_route", "r") then
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local routes = { }
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for line in io.lines("/proc/net/ipv6_route") do
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local dst_ip, dst_prefix, src_ip, src_prefix, nexthop,
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metric, refcnt, usecnt, flags, dev = line:match(
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"([a-f0-9]+) ([a-f0-9]+) " ..
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"([a-f0-9]+) ([a-f0-9]+) " ..
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"([a-f0-9]+) ([a-f0-9]+) " ..
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"([a-f0-9]+) ([a-f0-9]+) " ..
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"([a-f0-9]+) +([^%s]+)"
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)
|
||
|
|
||
|
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
|
||
|
|
||
|
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
|
||
|
local ps = luci.util.execi("top -bn1")
|
||
|
|
||
|
if not ps then
|
||
|
return
|
||
|
end
|
||
|
|
||
|
while true do
|
||
|
local line = ps()
|
||
|
if not line then
|
||
|
return
|
||
|
end
|
||
|
|
||
|
k = luci.util.split(luci.util.trim(line), "%s+", nil, true)
|
||
|
if k[1] == "PID" then
|
||
|
break
|
||
|
end
|
||
|
end
|
||
|
|
||
|
for line in ps do
|
||
|
local row = {}
|
||
|
|
||
|
line = luci.util.trim(line)
|
||
|
for i, value in ipairs(luci.util.split(line, "%s+", #k-1, true)) do
|
||
|
row[k[i]] = value
|
||
|
end
|
||
|
|
||
|
local pid = tonumber(row[k[1]])
|
||
|
if pid then
|
||
|
data[pid] = row
|
||
|
end
|
||
|
end
|
||
|
|
||
|
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
|
||
|
|
||
|
--- 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 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 ~= "!" and nixio.crypt(pass, pwh) ~= pwh then
|
||
|
return false
|
||
|
else
|
||
|
return true
|
||
|
end
|
||
|
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
|
||
|
|
||
|
local cmd = "(echo '"..password.."';sleep 1;echo '"..password.."')|"
|
||
|
cmd = cmd .. "passwd '"..username.."' >/dev/null 2>&1"
|
||
|
return os.execute(cmd)
|
||
|
end
|
||
|
|
||
|
|
||
|
--- LuCI system utilities / wifi related functions.
|
||
|
-- @class module
|
||
|
-- @name luci.sys.wifi
|
||
|
wifi = {}
|
||
|
|
||
|
--- Get iwconfig output for all wireless devices.
|
||
|
-- @return Table of tables containing the iwconfing output for each wifi device
|
||
|
function wifi.getiwconfig()
|
||
|
local cnt = luci.util.exec("PATH=/sbin:/usr/sbin iwconfig 2>/dev/null")
|
||
|
local iwc = {}
|
||
|
|
||
|
for i, l in pairs(luci.util.split(luci.util.trim(cnt), "\n\n")) do
|
||
|
local k = l:match("^(.-) ")
|
||
|
l = l:gsub("^(.-) +", "", 1)
|
||
|
if k then
|
||
|
local entry, flags = _parse_mixed_record(l)
|
||
|
if entry then
|
||
|
entry.flags = flags
|
||
|
end
|
||
|
iwc[k] = entry
|
||
|
end
|
||
|
end
|
||
|
|
||
|
return iwc
|
||
|
end
|
||
|
|
||
|
--- Get iwlist scan output from all wireless devices.
|
||
|
-- @return Table of tables contaiing all scan results
|
||
|
function wifi.iwscan(iface)
|
||
|
local siface = iface or ""
|
||
|
local cnt = luci.util.exec("iwlist "..siface.." scan 2>/dev/null")
|
||
|
local iws = {}
|
||
|
|
||
|
for i, l in pairs(luci.util.split(luci.util.trim(cnt), "\n\n")) do
|
||
|
local k = l:match("^(.-) ")
|
||
|
l = l:gsub("^[^\n]+", "", 1)
|
||
|
l = luci.util.trim(l)
|
||
|
if k then
|
||
|
iws[k] = {}
|
||
|
for j, c in pairs(luci.util.split(l, "\n Cell")) do
|
||
|
c = c:gsub("^(.-)- ", "", 1)
|
||
|
c = luci.util.split(c, "\n", 7)
|
||
|
c = table.concat(c, "\n", 1)
|
||
|
local entry, flags = _parse_mixed_record(c)
|
||
|
if entry then
|
||
|
entry.flags = flags
|
||
|
end
|
||
|
table.insert(iws[k], entry)
|
||
|
end
|
||
|
end
|
||
|
end
|
||
|
|
||
|
return iface and (iws[iface] or {}) or iws
|
||
|
end
|
||
|
|
||
|
--- Get available channels from given wireless iface.
|
||
|
-- @param iface Wireless interface (optional)
|
||
|
-- @return Table of available channels
|
||
|
function wifi.channels(iface)
|
||
|
local cmd = "iwlist " .. ( iface or "" ) .. " freq 2>/dev/null"
|
||
|
local cns = { }
|
||
|
|
||
|
local fd = io.popen(cmd)
|
||
|
if fd then
|
||
|
local ln, c, f
|
||
|
while true do
|
||
|
ln = fd:read("*l")
|
||
|
if not ln then break end
|
||
|
c, f = ln:match("Channel (%d+) : (%d+%.%d+) GHz")
|
||
|
if c and f then
|
||
|
cns[tonumber(c)] = tonumber(f)
|
||
|
end
|
||
|
end
|
||
|
fd:close()
|
||
|
end
|
||
|
|
||
|
if not next(cns) then
|
||
|
cns = {
|
||
|
2.412, 2.417, 2.422, 2.427, 2.432, 2.437,
|
||
|
2.442, 2.447, 2.452, 2.457, 2.462
|
||
|
}
|
||
|
end
|
||
|
|
||
|
return cns
|
||
|
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
|
||
|
names[#names+1] = fs.basename(name)
|
||
|
end
|
||
|
return names
|
||
|
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)
|
||
|
if fs.access(init.dir..name) then
|
||
|
return ( call(init.dir..name.." enabled") == 0 )
|
||
|
end
|
||
|
return false
|
||
|
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("source "..init.dir..name.." enabled; exit $START")
|
||
|
end
|
||
|
end
|
||
|
|
||
|
--- Enable the given init script
|
||
|
-- @param name Name of the init script
|
||
|
-- @return Boolean indicating success
|
||
|
function init.enable(name)
|
||
|
if fs.access(init.dir..name) then
|
||
|
return ( call(init.dir..name.." enable") == 1 )
|
||
|
end
|
||
|
end
|
||
|
|
||
|
--- Disable the given init script
|
||
|
-- @param name Name of the init script
|
||
|
-- @return Boolean indicating success
|
||
|
function init.disable(name)
|
||
|
if fs.access(init.dir..name) then
|
||
|
return ( call(init.dir..name.." disable") == 0 )
|
||
|
end
|
||
|
end
|
||
|
|
||
|
|
||
|
-- Internal functions
|
||
|
|
||
|
function _parse_delimited_table(iter, delimiter, callback)
|
||
|
delimiter = delimiter or "%s+"
|
||
|
|
||
|
local data = {}
|
||
|
local trim = luci.util.trim
|
||
|
local split = luci.util.split
|
||
|
|
||
|
local keys = split(trim(iter()), delimiter, nil, true)
|
||
|
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, nil, true)) do
|
||
|
if keys[i] then
|
||
|
row[keys[i]] = j
|
||
|
end
|
||
|
end
|
||
|
end
|
||
|
|
||
|
if callback then
|
||
|
callback(row)
|
||
|
else
|
||
|
data[#data+1] = row
|
||
|
end
|
||
|
end
|
||
|
|
||
|
return data
|
||
|
end
|
||
|
|
||
|
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
|