applications/luci-app-advanced-reboot/luasrc/controller/advanced_reboot.lua

   1 -- Copyright 2017 Stan Grishin <stangri@melmac.net>
   2 -- Licensed to the public under the Apache License 2.0.
   3
   4 module("luci.controller.advanced_reboot", package.seeall)
   5
   6 -- device_name, board_name, part1, part2, offset, env_var_1, value_1_1, value_1_2, env_var_2, value_2_1, value_2_2
   7 devices = {
   8   {"Linksys EA3500", "linksys-audi", "mtd3", "mtd5", 32, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
   9   {"Linksys E4200v2/EA4500", "linksys-viper", "mtd3", "mtd5", 32, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
  10   {"Linksys EA8500", "ea8500", "mtd13", "mtd15", 32, "boot_part", 1, 2},
  11 --  {"Linksys EA9500", "linksys,panamera", "mtd3", "mtd6", 28, "boot_part", 1, 2},
  12   {"Linksys WRT1200AC", "linksys-caiman", "mtd4", "mtd6", 32, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
  13   {"Linksys WRT1900AC", "linksys-mamba", "mtd4", "mtd6", 32, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
  14   {"Linksys WRT1900ACv2", "linksys-cobra", "mtd4", "mtd6", 32, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
  15   {"Linksys WRT1900ACS", "linksys-shelby", "mtd4", "mtd6", 32, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
  16   {"Linksys WRT3200ACM", "linksys-rango", "mtd5", "mtd7", 32, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
  17   {"ZyXEL NBG6817","nbg6817","mmcblk0p4","mmcblk0p7",32,nil,255,1}
  18 }
  19
  20 errorMessage = ""
  21 device_board_name = luci.util.trim(luci.sys.exec("cat /tmp/sysinfo/board_name"))
  22 for i=1, #devices do
  23   table_board_name = devices[i][2]:gsub('%p','')
  24   if device_board_name and device_board_name:gsub('%p',''):match(table_board_name) then
  25     device_name = devices[i][1]
  26     partition_one_mtd = devices[i][3] or nil
  27     partition_two_mtd = devices[i][4] or nil
  28     partition_skip = devices[i][5] or nil
  29     boot_envvar1 = devices[i][6] or nil
  30     boot_envvar1_partition_one = tonumber(devices[i][7]) or nil
  31     boot_envvar1_partition_two = tonumber(devices[i][8]) or nil
  32     boot_envvar2 = devices[i][9] or nil
  33     boot_envvar2_partition_one = devices[i][10] or nil
  34     boot_envvar2_partition_two = devices[i][11] or nil
  35     if partition_one_mtd and partition_skip then
  36       partition_one_label = luci.util.trim(luci.sys.exec("dd if=/dev/" .. partition_one_mtd .. " bs=1 skip=" .. partition_skip .. " count=25" .. "  2>/dev/null"))
  37       n, partition_one_version = string.match(partition_one_label, '(Linux)-([%d|.]+)')
  38     end
  39     if partition_two_mtd and partition_skip then
  40       partition_two_label = luci.util.trim(luci.sys.exec("dd if=/dev/" .. partition_two_mtd .. " bs=1 skip=" .. partition_skip .. " count=25" .. "  2>/dev/null"))
  41       n, partition_two_version = string.match(partition_two_label, '(Linux)-([%d|.]+)')
  42     end
  43     if string.find(partition_one_label, "LEDE") then partition_one_os = "LEDE" end
  44     if string.find(partition_one_label, "OpenWrt") then partition_one_os = "OpenWrt" end
  45     if string.find(partition_one_label, "Linksys") then partition_one_os = "Linksys" end
  46     if string.find(partition_two_label, "LEDE") then partition_two_os = "LEDE" end
  47     if string.find(partition_two_label, "OpenWrt") then partition_two_os = "OpenWrt" end
  48     if string.find(partition_two_label, "Linksys") then partition_two_os = "Linksys" end
  49     if device_name and device_name == "ZyXEL NBG6817" then
  50       if not partition_one_os then partition_one_os = "ZyXEL" end
  51       if not partition_two_os then partition_two_os = "ZyXEL" end
  52     end
  53     if not partition_one_os then partition_one_os = "Unknown" end
  54     if not partition_two_os then partition_two_os = "Unknown" end
  55     if partition_one_os and partition_one_version then partition_one_os = partition_one_os .. " (Linux " .. partition_one_version .. ")" end
  56     if partition_two_os and partition_two_version then partition_two_os = partition_two_os .. " (Linux " .. partition_two_version .. ")" end
  57
  58     if device_name and device_name == "ZyXEL NBG6817" then
  59       if not zyxelFlagPartition then zyxelFlagPartition = luci.util.trim(luci.sys.exec("source /lib/functions.sh; find_mtd_part 0:DUAL_FLAG")) end
  60       if not zyxelFlagPartition then
  61         errorMessage = errorMessage .. luci.i18n.translate("Unable to find Dual Boot Flag Partition." .. " ")
  62         luci.util.perror(luci.i18n.translate("Unable to find Dual Boot Flag Partition."))
  63       else
  64         current_partition = tonumber(luci.sys.exec("dd if=" .. zyxelFlagPartition .. " bs=1 count=1 2>/dev/null | hexdump -n 1 -e '1/1 \"%d\"'"))
  65       end
  66     else
  67       if nixio.fs.access("/usr/sbin/fw_printenv") and nixio.fs.access("/usr/sbin/fw_setenv") then
  68         current_partition = tonumber(luci.util.trim(luci.sys.exec("/usr/sbin/fw_printenv -n " .. boot_envvar1)))
  69       end
  70     end
  71     other_partition = current_partition == boot_envvar1_partition_two and boot_envvar1_partition_one or boot_envvar1_partition_two
  72   end
  73 end
  74
  75 function index()
  76   entry({"admin", "system", "advanced_reboot"}, template("advanced_reboot/advanced_reboot"), _("Advanced Reboot"), 90)
  77   entry({"admin", "system", "advanced_reboot", "reboot"}, post("action_reboot"))
  78 --  if device_name then entry({"admin", "system", "advanced_reboot", "altreboot"}, post("action_altreboot")) end
  79   entry({"admin", "system", "advanced_reboot", "alternative_reboot"}, post("action_altreboot"))
  80   entry({"admin", "system", "advanced_reboot", "power_off"}, post("action_poweroff"))
  81 end
  82
  83 function action_reboot()
  84   local uci = require "luci.model.uci".cursor()
  85   luci.template.render("admin_system/applyreboot", {
  86         title = luci.i18n.translate("Rebooting..."),
  87         msg   = luci.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."),
  88         addr  = luci.ip.new(uci:get("network", "lan", "ipaddr")) or "192.168.1.1"
  89       })
  90   luci.sys.reboot()
  91 end
  92
  93 function action_altreboot()
  94   local uci = require "luci.model.uci".cursor()
  95   local zyxelFlagPartition, zyxelBootFlag, zyxelNewBootFlag, errorCode, curEnvSetting, newEnvSetting
  96   errorMessage = ""
  97   errorCode = 0
  98   if luci.http.formvalue("cancel") then
  99     luci.http.redirect(luci.dispatcher.build_url('admin/system/advanced_reboot'))
 100 --    luci.template.render("advanced_reboot/advanced_reboot",{
 101 --      device_name=device_name,
 102 --      boot_envvar1_partition_one=boot_envvar1_partition_one,
 103 --      partition_one_os=partition_one_os,
 104 --      boot_envvar1_partition_two=boot_envvar1_partition_two,
 105 --      partition_two_os=partition_two_os,
 106 --      current_partition=current_partition,
 107 --      errorMessage = luci.i18n.translate("Alternative reboot cancelled.")})
 108     return
 109   end
 110   local step = tonumber(luci.http.formvalue("step") or 1)
 111   if step == 1 then
 112     if device_name and nixio.fs.access("/usr/sbin/fw_printenv") and nixio.fs.access("/usr/sbin/fw_setenv") then
 113       luci.template.render("advanced_reboot/alternative_reboot",{})
 114     else
 115       luci.template.render("advanced_reboot/advanced_reboot",{errorMessage = luci.i18n.translate("No access to fw_printenv or fw_printenv!")})
 116     end
 117   elseif step == 2 then
 118     if boot_envvar1 or boot_envvar2 then -- Linksys devices
 119       if boot_envvar1 then
 120         curEnvSetting = tonumber(luci.util.trim(luci.sys.exec("/usr/sbin/fw_printenv -n " .. boot_envvar1)))
 121         if not curEnvSetting then
 122           errorMessage = errorMessage .. luci.i18n.translate("Unable to obtain firmware environment variable") .. ": " .. boot_envvar1 .. ". "
 123           luci.util.perror(luci.i18n.translate("Unable to obtain firmware environment variable") .. ": " .. boot_envvar1 .. ".")
 124         else
 125           newEnvSetting = curEnvSetting == boot_envvar1_partition_one and boot_envvar1_partition_two or boot_envvar1_partition_one
 126           errorCode = luci.sys.call("/usr/sbin/fw_setenv " .. boot_envvar1 .. " " .. newEnvSetting)
 127             if errorCode ~= 0 then
 128               errorMessage = errorMessage .. luci.i18n.translate("Unable to set firmware environment variable") .. ": " .. boot_envvar1 .. " " .. luci.i18n.translate("to") .. " " .. newEnvSetting .. ". "
 129               luci.util.perror(luci.i18n.translate("Unable to set firmware environment variable") .. ": " .. boot_envvar1 .. " " .. luci.i18n.translate("to") .. " " .. newEnvSetting .. ".")
 130             end
 131         end
 132       end
 133       if boot_envvar2 then
 134         curEnvSetting = luci.util.trim(luci.sys.exec("/usr/sbin/fw_printenv -n " .. boot_envvar2))
 135         if not curEnvSetting then
 136           errorMessage = errorMessage .. luci.i18n.translate("Unable to obtain firmware environment variable") .. ": " .. boot_envvar2 .. ". "
 137           luci.util.perror(luci.i18n.translate("Unable to obtain firmware environment variable") .. ": " .. boot_envvar2 .. ".")
 138         else
 139           newEnvSetting = curEnvSetting == boot_envvar2_partition_one and boot_envvar2_partition_two or boot_envvar2_partition_one
 140           errorCode = luci.sys.call("/usr/sbin/fw_setenv " .. boot_envvar2 .. " '" .. newEnvSetting .. "'")
 141           if errorCode ~= 0 then
 142             errorMessage = errorMessage .. luci.i18n.translate("Unable to set firmware environment variable") .. ": " .. boot_envvar2 .. " " .. luci.i18n.translate("to") .. " " .. newEnvSetting .. ". "
 143             luci.util.perror(luci.i18n.translate("Unable to set firmware environment variable") .. ": " .. boot_envvar2 .. " " .. luci.i18n.translate("to") .. " " .. newEnvSetting .. ".")
 144           end
 145         end
 146       end
 147     else -- NetGear device
 148       if not zyxelFlagPartition then zyxelFlagPartition = luci.util.trim(luci.sys.exec("source /lib/functions.sh; find_mtd_part 0:DUAL_FLAG")) end
 149       if not zyxelFlagPartition then
 150         errorMessage = errorMessage .. luci.i18n.translate("Unable to find Dual Boot Flag Partition." .. " ")
 151         luci.util.perror(luci.i18n.translate("Unable to find Dual Boot Flag Partition."))
 152       else
 153         zyxelBootFlag = tonumber(luci.sys.exec("dd if=" .. zyxelFlagPartition .. " bs=1 count=1 2>/dev/null | hexdump -n 1 -e '1/1 \"%d\"'"))
 154         zyxelNewBootFlag = zyxelBootFlag and zyxelBootFlag == 1 and "\\xff" or "\\x01"
 155         if zyxelNewBootFlag then
 156           errorCode = luci.sys.call("printf \"" .. zyxelNewBootFlag .. "\" >" .. zyxelFlagPartition )
 157           if errorCode ~= 0 then
 158             errorMessage = errorMessage .. luci.i18n.translate("Unable to set Dual Boot Flag Partition entry for partition") .. ": " .. zyxelFlagPartition .. ". "
 159             luci.util.perror(luci.i18n.translate("Unable to set Dual Boot Flag Partition entry for partition") .. ": " .. zyxelFlagPartition .. ".")
 160           end
 161         end
 162       end
 163     end
 164     if errorMessage == "" then
 165       luci.template.render("admin_system/applyreboot", {
 166             title = luci.i18n.translate("Rebooting..."),
 167             msg   = luci.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."),
 168             addr  = luci.ip.new(uci:get("network", "lan", "ipaddr")) or "192.168.1.1"
 169           })
 170       luci.sys.reboot()
 171     else
 172       luci.template.render("advanced_reboot/advanced_reboot",{
 173         device_name=device_name,
 174         boot_envvar1_partition_one=boot_envvar1_partition_one,
 175         partition_one_os=partition_one_os,
 176         boot_envvar1_partition_two=boot_envvar1_partition_two,
 177         partition_two_os=partition_two_os,
 178         current_partition=current_partition,
 179         errorMessage = errorMessage})
 180     end
 181   end
 182 end
 183
 184 function action_poweroff()
 185   local uci = require "luci.model.uci".cursor()
 186   if luci.http.formvalue("cancel") then
 187     luci.http.redirect(luci.dispatcher.build_url('admin/system/advanced_reboot'))
 188     return
 189   end
 190   local step = tonumber(luci.http.formvalue("step") or 1)
 191   if step == 1 then
 192     if nixio.fs.access("/sbin/poweroff") then
 193       luci.template.render("advanced_reboot/power_off",{})
 194     else
 195       luci.template.render("advanced_reboot/advanced_reboot",{})
 196     end
 197   elseif step == 2 then
 198     luci.template.render("admin_system/applyreboot", {
 199           title = luci.i18n.translate("Shutting down..."),
 200           msg   = luci.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."),
 201           addr  = luci.ip.new(uci:get("network", "lan", "ipaddr")) or "192.168.1.1"
 202         })
 203     luci.sys.call("/sbin/poweroff")
 204   end
 205 end