362 lines
9.4 KiB
Lua
362 lines
9.4 KiB
Lua
--[[
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LuCI - Lua Configuration Interface
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Copyright 2008 Steven Barth <steven@midlink.org>
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Copyright 2008-2009 Jo-Philipp Wich <xm@subsignal.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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$Id$
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]]--
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module("luci.controller.admin.system", package.seeall)
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function index()
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luci.i18n.loadc("base")
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local i18n = luci.i18n.translate
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entry({"admin", "system"}, alias("admin", "system", "system"), i18n("System"), 30).index = true
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entry({"admin", "system", "system"}, cbi("admin_system/system"), i18n("System"), 1)
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entry({"admin", "system", "admin"}, cbi("admin_system/admin"), i18n("Administration"), 2)
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entry({"admin", "system", "packages"}, call("action_packages"), i18n("Software"), 10)
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entry({"admin", "system", "packages", "ipkg"}, form("admin_system/ipkg"))
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entry({"admin", "system", "startup"}, form("admin_system/startup"), i18n("Startup"), 45)
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if nixio.fs.access("/etc/config/fstab") then
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entry({"admin", "system", "fstab"}, cbi("admin_system/fstab"), i18n("Mount Points"), 50)
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entry({"admin", "system", "fstab", "mount"}, cbi("admin_system/fstab/mount"), nil).leaf = true
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entry({"admin", "system", "fstab", "swap"}, cbi("admin_system/fstab/swap"), nil).leaf = true
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end
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if nixio.fs.access("/sys/class/leds") then
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entry({"admin", "system", "leds"}, cbi("admin_system/leds"), i18n("<abbr title=\"Light Emitting Diode\">LED</abbr> Configuration"), 60)
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end
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entry({"admin", "system", "backup"}, call("action_backup"), i18n("Backup / Restore"), 70)
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entry({"admin", "system", "upgrade"}, call("action_upgrade"), i18n("Flash Firmware"), 80)
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entry({"admin", "system", "reboot"}, call("action_reboot"), i18n("Reboot"), 90)
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end
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function action_packages()
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local ipkg = require("luci.model.ipkg")
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local submit = luci.http.formvalue("submit")
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local changes = false
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local install = { }
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local remove = { }
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local stdout = { "" }
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local stderr = { "" }
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local out, err
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-- Search query
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local query = luci.http.formvalue("query")
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query = (query ~= '') and query or nil
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-- Packets to be installed
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local ninst = submit and luci.http.formvalue("install")
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local uinst = nil
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-- Install from URL
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local url = luci.http.formvalue("url")
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if url and url ~= '' and submit then
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uinst = url
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end
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-- Do install
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if ninst then
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install[ninst], out, err = ipkg.install(ninst)
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stdout[#stdout+1] = out
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stderr[#stderr+1] = err
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changes = true
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end
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if uinst then
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install[uinst], out, err = ipkg.install(uinst)
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stdout[#stdout+1] = out
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stderr[#stderr+1] = err
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changes = true
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end
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-- Remove packets
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local rem = submit and luci.http.formvalue("remove")
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if rem then
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remove[rem], out, err = ipkg.remove(rem)
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stdout[#stdout+1] = out
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stderr[#stderr+1] = err
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changes = true
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end
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-- Update all packets
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local update = luci.http.formvalue("update")
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if update then
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update, out, err = ipkg.update()
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stdout[#stdout+1] = out
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stderr[#stderr+1] = err
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end
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-- Upgrade all packets
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local upgrade = luci.http.formvalue("upgrade")
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if upgrade then
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upgrade, out, err = ipkg.upgrade()
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stdout[#stdout+1] = out
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stderr[#stderr+1] = err
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end
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luci.template.render("admin_system/packages", {
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query = query,
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install = install,
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remove = remove,
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update = update,
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upgrade = upgrade,
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stdout = table.concat(stdout, ""),
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stderr = table.concat(stderr, "")
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})
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-- Remove index cache
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if changes then
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nixio.fs.unlink("/tmp/luci-indexcache")
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end
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end
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function action_backup()
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local sys = require "luci.sys"
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local fs = require "luci.fs"
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local reset_avail = os.execute([[grep '"rootfs_data"' /proc/mtd >/dev/null 2>&1]]) == 0
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local restore_cmd = "tar -xzC/ >/dev/null 2>&1"
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local backup_cmd = "tar -czT %s 2>/dev/null"
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local restore_fpi
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luci.http.setfilehandler(
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function(meta, chunk, eof)
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if not restore_fpi then
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restore_fpi = io.popen(restore_cmd, "w")
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end
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if chunk then
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restore_fpi:write(chunk)
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end
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if eof then
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restore_fpi:close()
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end
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end
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)
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local upload = luci.http.formvalue("archive")
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local backup = luci.http.formvalue("backup")
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local reset = reset_avail and luci.http.formvalue("reset")
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if upload and #upload > 0 then
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luci.template.render("admin_system/applyreboot")
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luci.sys.reboot()
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elseif backup then
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local filelist = "/tmp/luci-backup-list.%d" % os.time()
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sys.call(
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"( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' /etc/sysupgrade.conf " ..
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"/lib/upgrade/keep.d/* 2>/dev/null) -type f 2>/dev/null; " ..
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"opkg list-changed-conffiles ) | sort -u > %s" % filelist
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)
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if fs.access(filelist) then
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local reader = ltn12_popen(backup_cmd:format(filelist))
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luci.http.header('Content-Disposition', 'attachment; filename="backup-%s-%s.tar.gz"' % {
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luci.sys.hostname(), os.date("%Y-%m-%d")})
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luci.http.prepare_content("application/x-targz")
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luci.ltn12.pump.all(reader, luci.http.write)
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fs.unlink(filelist)
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end
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elseif reset then
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luci.template.render("admin_system/applyreboot")
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luci.util.exec("mtd -r erase rootfs_data")
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else
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luci.template.render("admin_system/backup", {reset_avail = reset_avail})
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end
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end
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function action_passwd()
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local p1 = luci.http.formvalue("pwd1")
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local p2 = luci.http.formvalue("pwd2")
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local stat = nil
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if p1 or p2 then
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if p1 == p2 then
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stat = luci.sys.user.setpasswd("root", p1)
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else
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stat = 10
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end
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end
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luci.template.render("admin_system/passwd", {stat=stat})
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end
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function action_reboot()
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local reboot = luci.http.formvalue("reboot")
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luci.template.render("admin_system/reboot", {reboot=reboot})
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if reboot then
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luci.sys.reboot()
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end
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end
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function action_upgrade()
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require("luci.model.uci")
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local tmpfile = "/tmp/firmware.img"
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local function image_supported()
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-- XXX: yay...
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return ( 0 == os.execute(
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". /etc/functions.sh; " ..
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"include /lib/upgrade; " ..
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"platform_check_image %q >/dev/null"
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% tmpfile
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) )
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end
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local function image_checksum()
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return (luci.sys.exec("md5sum %q" % tmpfile):match("^([^%s]+)"))
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end
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local function storage_size()
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local size = 0
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if nixio.fs.access("/proc/mtd") then
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for l in io.lines("/proc/mtd") do
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local d, s, e, n = l:match('^([^%s]+)%s+([^%s]+)%s+([^%s]+)%s+"([^%s]+)"')
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if n == "linux" then
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size = tonumber(s, 16)
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break
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end
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end
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elseif nixio.fs.access("/proc/partitions") then
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for l in io.lines("/proc/partitions") do
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local x, y, b, n = l:match('^%s*(%d+)%s+(%d+)%s+([^%s]+)%s+([^%s]+)')
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if b and n and not n:match('[0-9]') then
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size = tonumber(b) * 1024
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break
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end
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end
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end
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return size
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end
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-- Install upload handler
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local file
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luci.http.setfilehandler(
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function(meta, chunk, eof)
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if not nixio.fs.access(tmpfile) and not file and chunk and #chunk > 0 then
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file = io.open(tmpfile, "w")
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end
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if file and chunk then
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file:write(chunk)
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end
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if file and eof then
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file:close()
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end
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end
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)
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-- Determine state
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local keep_avail = true
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local step = tonumber(luci.http.formvalue("step") or 1)
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local has_image = nixio.fs.access(tmpfile)
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local has_support = image_supported()
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local has_platform = nixio.fs.access("/lib/upgrade/platform.sh")
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local has_upload = luci.http.formvalue("image")
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-- This does the actual flashing which is invoked inside an iframe
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-- so don't produce meaningful errors here because the the
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-- previous pages should arrange the stuff as required.
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if step == 4 then
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if has_platform and has_image and has_support then
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-- Mimetype text/plain
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luci.http.prepare_content("text/plain")
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luci.http.write("Starting sysupgrade...\n")
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io.flush()
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-- Now invoke sysupgrade
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local keepcfg = keep_avail and luci.http.formvalue("keepcfg") == "1"
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local flash = ltn12_popen("/sbin/sysupgrade %s %q" %{
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keepcfg and "" or "-n", tmpfile
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})
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luci.ltn12.pump.all(flash, luci.http.write)
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end
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--
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-- This is step 1-3, which does the user interaction and
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-- image upload.
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--
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-- Step 1: file upload, error on unsupported image format
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elseif not has_image or not has_support or step == 1 then
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-- If there is an image but user has requested step 1
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-- or type is not supported, then remove it.
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if has_image then
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nixio.fs.unlink(tmpfile)
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end
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luci.template.render("admin_system/upgrade", {
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step=1,
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bad_image=(has_image and not has_support or false),
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keepavail=keep_avail,
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supported=has_platform
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} )
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-- Step 2: present uploaded file, show checksum, confirmation
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elseif step == 2 then
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luci.template.render("admin_system/upgrade", {
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step=2,
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checksum=image_checksum(),
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filesize=nixio.fs.stat(tmpfile).size,
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flashsize=storage_size(),
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keepconfig=(keep_avail and luci.http.formvalue("keepcfg") == "1")
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} )
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-- Step 3: load iframe which calls the actual flash procedure
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elseif step == 3 then
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luci.template.render("admin_system/upgrade", {
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step=3,
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keepconfig=(keep_avail and luci.http.formvalue("keepcfg") == "1")
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} )
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end
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end
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function ltn12_popen(command)
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local fdi, fdo = nixio.pipe()
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local pid = nixio.fork()
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if pid > 0 then
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fdo:close()
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local close
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return function()
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local buffer = fdi:read(2048)
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local wpid, stat = nixio.waitpid(pid, "nohang")
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if not close and wpid and stat == "exited" then
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close = true
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end
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if buffer and #buffer > 0 then
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return buffer
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elseif close then
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fdi:close()
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return nil
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end
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end
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elseif pid == 0 then
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nixio.dup(fdo, nixio.stdout)
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fdi:close()
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fdo:close()
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nixio.exec("/bin/sh", "-c", command)
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end
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end
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