295 lines
13 KiB
Lua
295 lines
13 KiB
Lua
-- Copyright 2017-2018 Stan Grishin <stangri@melmac.net>
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-- Licensed to the public under the Apache License 2.0.
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module("luci.controller.advanced_reboot", package.seeall)
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local util = require "luci.util"
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local fs = require "nixio.fs"
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local sys = require "luci.sys"
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local http = require "luci.http"
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local dispatcher = require "luci.dispatcher"
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local i18n = require "luci.i18n"
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local ltemplate = require "luci.template"
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local ip = require "luci.ip"
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local http = require "luci.http"
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local sys = require "luci.sys"
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local dispatcher = require "luci.dispatcher"
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local uci = require "luci.model.uci".cursor()
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local packageName = "advanced-reboot"
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local devices_dir = "/usr/lib/lua/luci/" .. packageName .. "/devices/"
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function logger(t)
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util.exec("logger -t " .. packageName .. " '" .. tostring(t) .. "'")
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end
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function is_alt_mountable(p1_mtd, p2_mtd)
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if p1_mtd:sub(1,3) == "mtd" and
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p2_mtd:sub(1,3) == "mtd" and
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fs.access("/usr/sbin/ubiattach") and
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fs.access("/usr/sbin/ubiblock") and
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fs.access("/bin/mount") then
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return true
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else
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return false
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end
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end
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function get_partition_os_info(op_ubi)
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local cp_info, op_info
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if fs.access("/etc/os-release") then
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cp_info = util.trim(util.exec('. /etc/os-release && echo "$PRETTY_NAME"'))
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if cp_info:find("SNAPSHOT") then
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cp_info = util.trim(util.exec('. /etc/os-release && echo "$OPENWRT_RELEASE"'))
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end
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end
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logger(i18n.translate("attempting to mount alternative partition") .. " (mtd" .. tostring(op_ubi) .. ")")
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alt_partition_unmount(op_ubi)
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alt_partition_mount(op_ubi)
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if fs.access("/alt/rom/etc/os-release") then
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op_info = util.trim(util.exec('. /alt/rom/etc/os-release && echo "$PRETTY_NAME"'))
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if op_info:find("SNAPSHOT") then
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op_info = util.trim(util.exec('. /alt/rom/etc/os-release && echo "$OPENWRT_RELEASE"'))
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end
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end
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logger(i18n.translate("attempting to unmount alternative partition") .. " (mtd" .. tostring(op_ubi) .. ")")
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alt_partition_unmount(op_ubi)
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return cp_info, op_info
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end
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function alt_partition_mount(op_ubi)
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local ubi_dev
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util.exec('for i in rom overlay firmware; do [ ! -d "$i" ] && mkdir -p "/alt/${i}"; done')
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ubi_dev = tostring(util.exec("ubiattach -m " .. tostring(op_ubi)))
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_, _, ubi_dev = ubi_dev:find("UBI device number (%d+)")
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if not ubi_dev then
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util.exec("ubidetach -m " .. tostring(op_ubi))
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return
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end
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util.exec("ubiblock --create /dev/ubi" .. ubi_dev .. "_0")
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util.exec("mount -t squashfs -o ro /dev/ubiblock" .. ubi_dev .. "_0 /alt/rom")
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util.exec("mount -t ubifs /dev/ubi" .. ubi_dev .. "_1 /alt/overlay")
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-- util.exec("mount -t overlay overlay -o noatime,lowerdir=/alt/rom,upperdir=/alt/overlay/upper,workdir=/alt/overlay/work /alt/firmware")
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end
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function alt_partition_unmount(op_ubi)
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local i
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local mtdCount = tonumber(util.exec("ubinfo | grep 'Present UBI devices' | grep -c ','"))
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mtdCount = mtdCount and mtdCount + 1 or 10
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-- util.exec("[ -d /alt/firmware ] && umount /alt/firmware")
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util.exec("[ -d /alt/overlay ] && umount /alt/overlay")
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util.exec("[ -d /alt/rom ] && umount /alt/rom")
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for i = 0, mtdCount do
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if not fs.access("/sys/devices/virtual/ubi/ubi" .. tostring(i) .. "/mtd_num") then break end
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ubi_mtd = tonumber(util.trim(util.exec("cat /sys/devices/virtual/ubi/ubi" .. i .. "/mtd_num")))
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if ubi_mtd and ubi_mtd == op_ubi then
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util.exec("ubiblock --remove /dev/ubi" .. tostring(i) .. "_0")
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util.exec("ubidetach -m " .. tostring(op_ubi))
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util.exec('rm -rf /alt')
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end
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end
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end
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function obtain_device_info()
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local p, boardName, n, p1_label, p1_version, p2_label, p2_version, p1_os, p2_os
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local errorMessage, current_partition
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local op_ubi, cp_info, op_info, zyxelFlagPartition
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local romBoardName = util.trim(util.exec("cat /tmp/sysinfo/board_name"))
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for filename in fs.dir(devices_dir) do
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local p_func = loadfile(devices_dir .. filename)
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setfenv(p_func, { _ = i18n.translate })
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p = p_func()
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boardName = p.boardName:gsub('%p','')
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if romBoardName and romBoardName:gsub('%p',''):match(boardName) then
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if p.labelOffset then
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if p.partition1MTD then
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p1_label = util.trim(util.exec("dd if=/dev/" .. p.partition1MTD .. " bs=1 skip=" .. p.labelOffset .. " count=128" .. " 2>/dev/null"))
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n, p1_version = p1_label:match('(Linux)-([%d|.]+)')
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end
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if p.partition2MTD then
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p2_label = util.trim(util.exec("dd if=/dev/" .. p.partition2MTD .. " bs=1 skip=" .. p.labelOffset .. " count=128" .. " 2>/dev/null"))
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n, p2_version = p2_label:match('(Linux)-([%d|.]+)')
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end
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if p1_label and p1_label:find("LEDE") then p1_os = "LEDE" end
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if p1_label and p1_label:find("OpenWrt") then p1_os = "OpenWrt" end
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if p1_label and p.vendorName and p1_label:find(p.vendorName) then p1_os = p.vendorName end
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if p2_label and p2_label:find("LEDE") then p2_os = "LEDE" end
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if p2_label and p2_label:find("OpenWrt") then p2_os = "OpenWrt" end
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if p2_label and p.vendorName and p2_label:find(p.vendorName) then p2_os = p.vendorName end
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if not p1_os then p1_os = p.vendorName .. "/" .. i18n.translate("Unknown") end
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if not p2_os then p2_os = p.vendorName .. "/" .. i18n.translate("Unknown") end
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if p1_os and p1_version then p1_os = p1_os .. " (Linux " .. p1_version .. ")" end
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if p2_os and p2_version then p2_os = p2_os .. " (Linux " .. p2_version .. ")" end
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else
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p1_os = p.vendorName .. "/" .. i18n.translate("Unknown") .. " (" .. i18n.translate("Compressed") .. ")"
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p2_os = p.vendorName .. "/" .. i18n.translate("Unknown") .. " (" .. i18n.translate("Compressed") .. ")"
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end
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if p.bootEnv1 then
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if fs.access("/usr/sbin/fw_printenv") and fs.access("/usr/sbin/fw_setenv") then
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current_partition = tonumber(util.trim(util.exec("fw_printenv -n " .. p.bootEnv1)))
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end
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else
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if not zyxelFlagPartition then zyxelFlagPartition = util.trim(util.exec(". /lib/functions.sh; find_mtd_part 0:DUAL_FLAG")) end
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if zyxelFlagPartition then
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current_partition = tonumber(util.exec("dd if=" .. zyxelFlagPartition .. " bs=1 count=1 2>/dev/null | hexdump -n 1 -e '1/1 \"%d\"'"))
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else
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errorMessage = errorMessage or i18n.translate("Unable to find Dual Boot Flag Partition.")
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util.perror(i18n.translate("Unable to find Dual Boot Flag Partition."))
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end
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end
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if is_alt_mountable(p.partition1MTD, p.partition2MTD) then
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if current_partition == p.bootEnv1Partition1Value then
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op_ubi = tonumber(p.partition2MTD:sub(4)) + 1
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else
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op_ubi = tonumber(p.partition1MTD:sub(4)) + 1
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end
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local cp_info, op_info = get_partition_os_info(op_ubi)
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if current_partition == p.bootEnv1Partition1Value then
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p1_os = cp_info or p1_os
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p2_os = op_info or p2_os
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else
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p1_os = op_info or p1_os
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p2_os = cp_info or p2_os
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end
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end
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return romBoardName, p.vendorName .. " " .. p.deviceName, p.bootEnv1, p.bootEnv1Partition1Value, p1_os, p.bootEnv1Partition2Value, p2_os, p.bootEnv2, p.bootEnv2Partition1Value, p.bootEnv2Partition1Value, current_partition
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end
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end
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return romBoardName, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil
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end
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function index()
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entry({"admin", "system", "advanced_reboot"}, call("action_template"), _("Advanced Reboot"), 90)
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entry({"admin", "system", "advanced_reboot", "reboot"}, post("action_reboot"))
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entry({"admin", "system", "advanced_reboot", "alternative_reboot"}, post("action_altreboot"))
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entry({"admin", "system", "advanced_reboot", "power_off"}, post("action_poweroff"))
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end
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function action_template()
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local romBoardName, device_name, bev1, bev1p1, p1_os, bev1p2, p2_os, bev2, bev2p1, bev2p2, current_partition = obtain_device_info()
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ltemplate.render("advanced_reboot/advanced_reboot",{
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romBoardName=romBoardName,
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device_name=device_name,
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bev1p1=bev1p1,
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p1_os=p1_os,
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bev1p2=bev1p2,
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p2_os=p2_os,
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current_partition=current_partition,
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errorMessage = errorMessage})
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end
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function action_reboot()
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ltemplate.render("advanced_reboot/applyreboot", {
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title = i18n.translate("Rebooting..."),
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msg = i18n.translate("The system is rebooting now.<br /> DO NOT POWER OFF THE DEVICE!<br /> Wait a few minutes before you try to reconnect. It might be necessary to renew the address of your computer to reach the device again, depending on your settings."),
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addr = ip.new(type(ip) == "string" and ip or "192.168.1.1") or "192.168.1.1"
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})
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sys.reboot()
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end
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function action_altreboot()
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local romBoardName, device_name, bev1, bev1p1, p1_os, bev1p2, p2_os, bev2, bev2p1, bev2p2, current_partition = obtain_device_info()
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local zyxelFlagPartition, zyxelBootFlag, zyxelNewBootFlag, errorCode, curEnvSetting, newEnvSetting
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errorMessage = nil
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errorCode = 0
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if http.formvalue("cancel") then
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http.redirect(dispatcher.build_url('admin/system/advanced_reboot'))
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return
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end
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local step = tonumber(http.formvalue("step") or 1)
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if step == 1 then
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if fs.access("/usr/sbin/fw_printenv") and fs.access("/usr/sbin/fw_setenv") then
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ltemplate.render("advanced_reboot/alternative_reboot",{})
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else
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ltemplate.render("advanced_reboot/advanced_reboot",{errorMessage = i18n.translate("No access to fw_printenv or fw_printenv!")})
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end
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elseif step == 2 then
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if bev1 or bev2 then -- Linksys devices
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if bev1 then
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curEnvSetting = tonumber(util.trim(util.exec("fw_printenv -n " .. bev1)))
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if not curEnvSetting then
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errorMessage = errorMessage .. i18n.translate("Unable to obtain firmware environment variable") .. ": " .. bev1 .. ". "
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util.perror(i18n.translate("Unable to obtain firmware environment variable") .. ": " .. bev1 .. ".")
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else
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newEnvSetting = curEnvSetting == bev1p1 and bev1p2 or bev1p1
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errorCode = sys.call("fw_setenv " .. bev1 .. " " .. newEnvSetting)
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if errorCode ~= 0 then
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errorMessage = errorMessage or "" .. i18n.translate("Unable to set firmware environment variable") .. ": " .. bev1 .. " " .. i18n.translate("to") .. " " .. newEnvSetting .. ". "
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util.perror(i18n.translate("Unable to set firmware environment variable") .. ": " .. bev1 .. " " .. i18n.translate("to") .. " " .. newEnvSetting .. ".")
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end
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end
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end
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if bev2 then
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curEnvSetting = util.trim(util.exec("fw_printenv -n " .. bev2))
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if not curEnvSetting then
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errorMessage = errorMessage or "" .. i18n.translate("Unable to obtain firmware environment variable") .. ": " .. bev2 .. ". "
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util.perror(i18n.translate("Unable to obtain firmware environment variable") .. ": " .. bev2 .. ".")
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else
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newEnvSetting = curEnvSetting == bev2p1 and bev2p2 or bev2p1
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errorCode = sys.call("fw_setenv " .. bev2 .. " '" .. newEnvSetting .. "'")
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if errorCode ~= 0 then
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errorMessage = errorMessage or "" .. i18n.translate("Unable to set firmware environment variable") .. ": " .. bev2 .. " " .. i18n.translate("to") .. " " .. newEnvSetting .. ". "
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util.perror(i18n.translate("Unable to set firmware environment variable") .. ": " .. bev2 .. " " .. i18n.translate("to") .. " " .. newEnvSetting .. ".")
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end
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end
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end
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else -- NetGear device
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if not zyxelFlagPartition then zyxelFlagPartition = util.trim(util.exec(". /lib/functions.sh; find_mtd_part 0:DUAL_FLAG")) end
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if not zyxelFlagPartition then
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errorMessage = errorMessage .. i18n.translate("Unable to find Dual Boot Flag Partition." .. " ")
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util.perror(i18n.translate("Unable to find Dual Boot Flag Partition."))
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else
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zyxelBootFlag = tonumber(util.exec("dd if=" .. zyxelFlagPartition .. " bs=1 count=1 2>/dev/null | hexdump -n 1 -e '1/1 \"%d\"'"))
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zyxelNewBootFlag = zyxelBootFlag and zyxelBootFlag == 1 and "\\xff" or "\\x01"
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if zyxelNewBootFlag then
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errorCode = sys.call("printf \"" .. zyxelNewBootFlag .. "\" >" .. zyxelFlagPartition )
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if errorCode ~= 0 then
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errorMessage = errorMessage or "" .. i18n.translate("Unable to set Dual Boot Flag Partition entry for partition") .. ": " .. zyxelFlagPartition .. ". "
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util.perror(i18n.translate("Unable to set Dual Boot Flag Partition entry for partition") .. ": " .. zyxelFlagPartition .. ".")
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end
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end
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end
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end
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if not errorMessage then
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ltemplate.render("advanced_reboot/applyreboot", {
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title = i18n.translate("Rebooting..."),
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msg = i18n.translate("The system is rebooting to an alternative partition now.<br /> DO NOT POWER OFF THE DEVICE!<br /> Wait a few minutes before you try to reconnect. It might be necessary to renew the address of your computer to reach the device again, depending on your settings."),
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addr = ip.new(uci:get("network", "lan", "ipaddr")) or "192.168.1.1"
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})
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sys.reboot()
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else
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ltemplate.render("advanced_reboot/advanced_reboot",{
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romBoardName=romBoardName,
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device_name=device_name,
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bev1p1=bev1p1,
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p1_os=p1_os,
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bev1p2=bev1p2,
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p2_os=p2_os,
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current_partition=current_partition,
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errorMessage = errorMessage})
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end
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end
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end
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function action_poweroff()
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if http.formvalue("cancel") then
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http.redirect(dispatcher.build_url('admin/system/advanced_reboot'))
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return
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end
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local step = tonumber(http.formvalue("step") or 1)
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if step == 1 then
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if fs.access("/sbin/poweroff") then
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ltemplate.render("advanced_reboot/power_off",{})
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else
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ltemplate.render("advanced_reboot/advanced_reboot",{})
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end
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elseif step == 2 then
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ltemplate.render("advanced_reboot/applyreboot", {
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title = i18n.translate("Shutting down..."),
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msg = i18n.translate("The system is shutting down now.<br /> DO NOT POWER OFF THE DEVICE!<br /> It might be necessary to renew the address of your computer to reach the device again, depending on your settings."),
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addr = ip.new(uci:get("network", "lan", "ipaddr")) or "192.168.1.1"
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})
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sys.call("/sbin/poweroff")
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end
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end
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