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

   1 -- Copyright 2017-2018 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 devices = {
   7   -- deviceName, boardName, partition1, partition2, offset, envVar1, envVar1Value1, envVar1Value2, envVar2, envVar2Value1, envVar2Value2
   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   {"Linksys WRT32X", "linksys-venom", "mtd5", "mtd7", nil, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
  18   {"ZyXEL NBG6817","nbg6817","mmcblk0p4","mmcblk0p7", 32, nil, 255, 1}
  19 }
  20
  21 errorMessage = nil
  22 rom_board_name = luci.util.trim(luci.sys.exec("cat /tmp/sysinfo/board_name"))
  23 for i=1, #devices do
  24   device_board_name = devices[i][2]:gsub('%p','')
  25   if rom_board_name and rom_board_name:gsub('%p',''):match(device_board_name) then
  26     device_name = devices[i][1]
  27     partition_one_mtd = devices[i][3] or nil
  28     partition_two_mtd = devices[i][4] or nil
  29     partition_skip = devices[i][5] or nil
  30     boot_envvar1 = devices[i][6] or nil
  31     boot_envvar1_partition_one = tonumber(devices[i][7]) or nil
  32     boot_envvar1_partition_two = tonumber(devices[i][8]) or nil
  33     boot_envvar2 = devices[i][9] or nil
  34     boot_envvar2_partition_one = devices[i][10] or nil
  35     boot_envvar2_partition_two = devices[i][11] or nil
  36     if partition_one_mtd and partition_skip then
  37       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"))
  38       n, partition_one_version = string.match(partition_one_label, '(Linux)-([%d|.]+)')
  39     end
  40     if partition_two_mtd and partition_skip then
  41       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"))
  42       n, partition_two_version = string.match(partition_two_label, '(Linux)-([%d|.]+)')
  43     end
  44     if partition_one_label and string.find(partition_one_label, "LEDE") then partition_one_os = "LEDE" end
  45     if partition_one_label and string.find(partition_one_label, "OpenWrt") then partition_one_os = "OpenWrt" end
  46     if partition_one_label and string.find(partition_one_label, "Linksys") then partition_one_os = "Linksys" end
  47     if partition_two_label and string.find(partition_two_label, "LEDE") then partition_two_os = "LEDE" end
  48     if partition_two_label and string.find(partition_two_label, "OpenWrt") then partition_two_os = "OpenWrt" end
  49     if partition_two_label and string.find(partition_two_label, "Linksys") then partition_two_os = "Linksys" end
  50     if device_name and device_name == "ZyXEL NBG6817" then
  51       if not partition_one_os then partition_one_os = "ZyXEL" end
  52       if not partition_two_os then partition_two_os = "ZyXEL" end
  53     end
  54     if device_name and device_name == "Linksys WRT32X" then
  55       if not partition_one_os then partition_one_os = "Unknown/Compressed" end
  56       if not partition_two_os then partition_two_os = "Unknown/Compressed" end
  57     end
  58     if not partition_one_os then partition_one_os = "Unknown" end
  59     if not partition_two_os then partition_two_os = "Unknown" end
  60     if partition_one_os and partition_one_version then partition_one_os = partition_one_os .. " (Linux " .. partition_one_version .. ")" end
  61     if partition_two_os and partition_two_version then partition_two_os = partition_two_os .. " (Linux " .. partition_two_version .. ")" end
  62
  63     if device_name and device_name == "ZyXEL NBG6817" then
  64       if not zyxelFlagPartition then zyxelFlagPartition = luci.util.trim(luci.sys.exec("source /lib/functions.sh; find_mtd_part 0:DUAL_FLAG")) end
  65       if not zyxelFlagPartition then
  66         errorMessage = errorMessage .. luci.i18n.translate("Unable to find Dual Boot Flag Partition." .. " ")
  67         luci.util.perror(luci.i18n.translate("Unable to find Dual Boot Flag Partition."))
  68       else
  69         current_partition = tonumber(luci.sys.exec("dd if=" .. zyxelFlagPartition .. " bs=1 count=1 2>/dev/null | hexdump -n 1 -e '1/1 \"%d\"'"))
  70       end
  71     else
  72       if nixio.fs.access("/usr/sbin/fw_printenv") and nixio.fs.access("/usr/sbin/fw_setenv") then
  73         current_partition = tonumber(luci.util.trim(luci.sys.exec("/usr/sbin/fw_printenv -n " .. boot_envvar1)))
  74       end
  75     end
  76     other_partition = current_partition == boot_envvar1_partition_two and boot_envvar1_partition_one or boot_envvar1_partition_two
  77   end
  78 end
  79
  80 function index()
  81   entry({"admin", "system", "advanced_reboot"}, template("advanced_reboot/advanced_reboot"), _("Advanced Reboot"), 90)
  82   entry({"admin", "system", "advanced_reboot", "reboot"}, post("action_reboot"))
  83   entry({"admin", "system", "advanced_reboot", "alternative_reboot"}, post("action_altreboot"))
  84   entry({"admin", "system", "advanced_reboot", "power_off"}, post("action_poweroff"))
  85 end
  86
  87 function action_reboot()
  88   local uci = require "luci.model.uci".cursor()
  89   luci.template.render("admin_system/applyreboot", {
  90         title = luci.i18n.translate("Rebooting..."),
  91         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."),
  92         addr  = luci.ip.new(uci:get("network", "lan", "ipaddr")) or "192.168.1.1"
  93       })
  94   luci.sys.reboot()
  95 end
  96
  97 function action_altreboot()
  98   local uci = require "luci.model.uci".cursor()
  99   local zyxelFlagPartition, zyxelBootFlag, zyxelNewBootFlag, errorCode, curEnvSetting, newEnvSetting
 100   errorMessage = nil
 101   errorCode = 0
 102   if luci.http.formvalue("cancel") then
 103     luci.http.redirect(luci.dispatcher.build_url('admin/system/advanced_reboot'))
 104     return
 105   end
 106   local step = tonumber(luci.http.formvalue("step") or 1)
 107   if step == 1 then
 108     if device_name and nixio.fs.access("/usr/sbin/fw_printenv") and nixio.fs.access("/usr/sbin/fw_setenv") then
 109       luci.template.render("advanced_reboot/alternative_reboot",{})
 110     else
 111       luci.template.render("advanced_reboot/advanced_reboot",{errorMessage = luci.i18n.translate("No access to fw_printenv or fw_printenv!")})
 112     end
 113   elseif step == 2 then
 114     if boot_envvar1 or boot_envvar2 then -- Linksys devices
 115       if boot_envvar1 then
 116         curEnvSetting = tonumber(luci.util.trim(luci.sys.exec("/usr/sbin/fw_printenv -n " .. boot_envvar1)))
 117         if not curEnvSetting then
 118           errorMessage = errorMessage .. luci.i18n.translate("Unable to obtain firmware environment variable") .. ": " .. boot_envvar1 .. ". "
 119           luci.util.perror(luci.i18n.translate("Unable to obtain firmware environment variable") .. ": " .. boot_envvar1 .. ".")
 120         else
 121           newEnvSetting = curEnvSetting == boot_envvar1_partition_one and boot_envvar1_partition_two or boot_envvar1_partition_one
 122           errorCode = luci.sys.call("/usr/sbin/fw_setenv " .. boot_envvar1 .. " " .. newEnvSetting)
 123             if errorCode ~= 0 then
 124               errorMessage = errorMessage .. luci.i18n.translate("Unable to set firmware environment variable") .. ": " .. boot_envvar1 .. " " .. luci.i18n.translate("to") .. " " .. newEnvSetting .. ". "
 125               luci.util.perror(luci.i18n.translate("Unable to set firmware environment variable") .. ": " .. boot_envvar1 .. " " .. luci.i18n.translate("to") .. " " .. newEnvSetting .. ".")
 126             end
 127         end
 128       end
 129       if boot_envvar2 then
 130         curEnvSetting = luci.util.trim(luci.sys.exec("/usr/sbin/fw_printenv -n " .. boot_envvar2))
 131         if not curEnvSetting then
 132           errorMessage = errorMessage .. luci.i18n.translate("Unable to obtain firmware environment variable") .. ": " .. boot_envvar2 .. ". "
 133           luci.util.perror(luci.i18n.translate("Unable to obtain firmware environment variable") .. ": " .. boot_envvar2 .. ".")
 134         else
 135           newEnvSetting = curEnvSetting == boot_envvar2_partition_one and boot_envvar2_partition_two or boot_envvar2_partition_one
 136           errorCode = luci.sys.call("/usr/sbin/fw_setenv " .. boot_envvar2 .. " '" .. newEnvSetting .. "'")
 137           if errorCode ~= 0 then
 138             errorMessage = errorMessage .. luci.i18n.translate("Unable to set firmware environment variable") .. ": " .. boot_envvar2 .. " " .. luci.i18n.translate("to") .. " " .. newEnvSetting .. ". "
 139             luci.util.perror(luci.i18n.translate("Unable to set firmware environment variable") .. ": " .. boot_envvar2 .. " " .. luci.i18n.translate("to") .. " " .. newEnvSetting .. ".")
 140           end
 141         end
 142       end
 143     else -- NetGear device
 144       if not zyxelFlagPartition then zyxelFlagPartition = luci.util.trim(luci.sys.exec("source /lib/functions.sh; find_mtd_part 0:DUAL_FLAG")) end
 145       if not zyxelFlagPartition then
 146         errorMessage = errorMessage .. luci.i18n.translate("Unable to find Dual Boot Flag Partition." .. " ")
 147         luci.util.perror(luci.i18n.translate("Unable to find Dual Boot Flag Partition."))
 148       else
 149         zyxelBootFlag = tonumber(luci.sys.exec("dd if=" .. zyxelFlagPartition .. " bs=1 count=1 2>/dev/null | hexdump -n 1 -e '1/1 \"%d\"'"))
 150         zyxelNewBootFlag = zyxelBootFlag and zyxelBootFlag == 1 and "\\xff" or "\\x01"
 151         if zyxelNewBootFlag then
 152           errorCode = luci.sys.call("printf \"" .. zyxelNewBootFlag .. "\" >" .. zyxelFlagPartition )
 153           if errorCode ~= 0 then
 154             errorMessage = errorMessage .. luci.i18n.translate("Unable to set Dual Boot Flag Partition entry for partition") .. ": " .. zyxelFlagPartition .. ". "
 155             luci.util.perror(luci.i18n.translate("Unable to set Dual Boot Flag Partition entry for partition") .. ": " .. zyxelFlagPartition .. ".")
 156           end
 157         end
 158       end
 159     end
 160     if not errorMessage then
 161       luci.template.render("admin_system/applyreboot", {
 162             title = luci.i18n.translate("Rebooting..."),
 163             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."),
 164             addr  = luci.ip.new(uci:get("network", "lan", "ipaddr")) or "192.168.1.1"
 165           })
 166       luci.sys.reboot()
 167     else
 168       luci.template.render("advanced_reboot/advanced_reboot",{
 169         rom_board_name=rom_board_name,
 170         device_name=device_name,
 171         boot_envvar1_partition_one=boot_envvar1_partition_one,
 172         partition_one_os=partition_one_os,
 173         boot_envvar1_partition_two=boot_envvar1_partition_two,
 174         partition_two_os=partition_two_os,
 175         current_partition=current_partition,
 176         errorMessage = errorMessage})
 177     end
 178   end
 179 end
 180
 181 function action_poweroff()
 182   local uci = require "luci.model.uci".cursor()
 183   if luci.http.formvalue("cancel") then
 184     luci.http.redirect(luci.dispatcher.build_url('admin/system/advanced_reboot'))
 185     return
 186   end
 187   local step = tonumber(luci.http.formvalue("step") or 1)
 188   if step == 1 then
 189     if nixio.fs.access("/sbin/poweroff") then
 190       luci.template.render("advanced_reboot/power_off",{})
 191     else
 192       luci.template.render("advanced_reboot/advanced_reboot",{})
 193     end
 194   elseif step == 2 then
 195     luci.template.render("admin_system/applyreboot", {
 196           title = luci.i18n.translate("Shutting down..."),
 197           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."),
 198           addr  = luci.ip.new(uci:get("network", "lan", "ipaddr")) or "192.168.1.1"
 199         })
 200     luci.sys.call("/sbin/poweroff")
 201   end
 202 end