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, 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 WRT1200AC", "armada-385-linksys-caiman", "mtd4", "mtd6", 32, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
  12   {"Linksys WRT1900AC", "armada-xp-linksys-mamba", "mtd4", "mtd6", 32, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
  13   {"Linksys WRT1900ACv2", "armada-385-linksys-cobra", "mtd4", "mtd6", 32, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
  14   {"Linksys WRT1900ACS", "armada-385-linksys-shelby", "mtd4", "mtd6", 32, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
  15   {"Linksys WRT3200ACM", "armada-385-linksys-rango", "mtd5", "mtd7", 32, "boot_part", 1, 2, "bootcmd", "run nandboot", "run altnandboot"},
  16   {"ZyXEL NBG6817","nbg6817","mmcblk0p4","mmcblk0p7",32,nil,255,1}
  17 }
  18
  19 errorMessage = ""
  20 board_name = luci.util.trim(luci.sys.exec("cat /tmp/sysinfo/board_name"))
  21 for i=1, #devices do
  22   if board_name and devices[i][2] == board_name then
  23     device_name = devices[i][1]
  24     partition_one_mtd = devices[i][3] or nil
  25     partition_two_mtd = devices[i][4] or nil
  26     partition_skip = devices[i][5] or nil
  27     boot_envvar1 = devices[i][6] or nil
  28     boot_envvar1_partition_one = tonumber(devices[i][7]) or nil
  29     boot_envvar1_partition_two = tonumber(devices[i][8]) or nil
  30     boot_envvar2 = devices[i][9] or nil
  31     boot_envvar2_partition_one = devices[i][10] or nil
  32     boot_envvar2_partition_two = devices[i][11] or nil
  33     if partition_one_mtd and partition_skip then
  34       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"))
  35       n, partition_one_version = string.match(partition_one_label, '(Linux)-([%d|.]+)')
  36     end
  37     if partition_two_mtd and partition_skip then
  38       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"))
  39       n, partition_two_version = string.match(partition_two_label, '(Linux)-([%d|.]+)')
  40     end
  41     if string.find(partition_one_label, "LEDE") then partition_one_os = "LEDE" end
  42     if string.find(partition_one_label, "OpenWrt") then partition_one_os = "OpenWrt" end
  43     if string.find(partition_one_label, "Linksys") then partition_one_os = "Linksys" end
  44     if string.find(partition_two_label, "LEDE") then partition_two_os = "LEDE" end
  45     if string.find(partition_two_label, "OpenWrt") then partition_two_os = "OpenWrt" end
  46     if string.find(partition_two_label, "Linksys") then partition_two_os = "Linksys" end
  47     if device_name and device_name == "ZyXEL NBG6817" then
  48       if not partition_one_os then partition_one_os = "ZyXEL" end
  49       if not partition_two_os then partition_two_os = "ZyXEL" end
  50     end
  51     if not partition_one_os then partition_one_os = "Unknown" end
  52     if not partition_two_os then partition_two_os = "Unknown" end
  53     if partition_one_os and partition_one_version then partition_one_os = partition_one_os .. " (Linux " .. partition_one_version .. ")" end
  54     if partition_two_os and partition_two_version then partition_two_os = partition_two_os .. " (Linux " .. partition_two_version .. ")" end
  55
  56     if device_name and device_name == "ZyXEL NBG6817" then
  57       if not zyxelFlagPartition then zyxelFlagPartition = luci.util.trim(luci.sys.exec("source /lib/functions.sh; find_mtd_part 0:DUAL_FLAG")) end
  58       if not zyxelFlagPartition then
  59         errorMessage = errorMessage .. luci.i18n.translate("Unable to find Dual Boot Flag Partition." .. " ")
  60         luci.util.perror(luci.i18n.translate("Unable to find Dual Boot Flag Partition."))
  61       else
  62         current_partition = tonumber(luci.sys.exec("dd if=" .. zyxelFlagPartition .. " bs=1 count=1 2>/dev/null | hexdump -n 1 -e '1/1 \"%d\"'"))
  63       end
  64     else
  65       if nixio.fs.access("/usr/sbin/fw_printenv") and nixio.fs.access("/usr/sbin/fw_setenv") then
  66         current_partition = tonumber(luci.util.trim(luci.sys.exec("/usr/sbin/fw_printenv -n " .. boot_envvar1)))
  67       end
  68     end
  69     other_partition = current_partition == boot_envvar1_partition_two and boot_envvar1_partition_one or boot_envvar1_partition_two
  70   end
  71 end
  72
  73 function index()
  74   entry({"admin", "system", "advanced_reboot"}, template("advanced_reboot/advanced_reboot"), _("Advanced Reboot"), 90)
  75   entry({"admin", "system", "advanced_reboot", "reboot"}, post("action_reboot"))
  76 --  if device_name then entry({"admin", "system", "advanced_reboot", "altreboot"}, post("action_altreboot")) end
  77   entry({"admin", "system", "advanced_reboot", "alternative_reboot"}, post("action_altreboot"))
  78   entry({"admin", "system", "advanced_reboot", "power_off"}, post("action_poweroff"))
  79 end
  80
  81 function action_reboot()
  82   luci.template.render("admin_system/applyreboot", {
  83         title = luci.i18n.translate("Rebooting..."),
  84         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."),
  85         addr  = luci.ip.new(uci.cursor():get("network", "lan", "ipaddr")) or "192.168.1.1"
  86       })
  87   luci.sys.reboot()
  88 end
  89
  90 function action_altreboot()
  91   local zyxelFlagPartition, zyxelBootFlag, zyxelNewBootFlag, errorCode, curEnvSetting, newEnvSetting
  92   errorMessage = ""
  93   errorCode = 0
  94   if luci.http.formvalue("cancel") then
  95     luci.http.redirect(luci.dispatcher.build_url('admin/system/advanced_reboot'))
  96 --    luci.template.render("advanced_reboot/advanced_reboot",{
  97 --      device_name=device_name,
  98 --      boot_envvar1_partition_one=boot_envvar1_partition_one,
  99 --      partition_one_os=partition_one_os,
 100 --      boot_envvar1_partition_two=boot_envvar1_partition_two,
 101 --      partition_two_os=partition_two_os,
 102 --      current_partition=current_partition,
 103 --      errorMessage = luci.i18n.translate("Alternative reboot cancelled.")})
 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 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.cursor():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         device_name=device_name,
 170         boot_envvar1_partition_one=boot_envvar1_partition_one,
 171         partition_one_os=partition_one_os,
 172         boot_envvar1_partition_two=boot_envvar1_partition_two,
 173         partition_two_os=partition_two_os,
 174         current_partition=current_partition,
 175         errorMessage = errorMessage})
 176     end
 177   end
 178 end
 179
 180 function action_poweroff()
 181   if luci.http.formvalue("cancel") then
 182     luci.http.redirect(luci.dispatcher.build_url('admin/system/advanced_reboot'))
 183     return
 184   end
 185   local step = tonumber(luci.http.formvalue("step") or 1)
 186   if step == 1 then
 187     if nixio.fs.access("/sbin/poweroff") then
 188       luci.template.render("advanced_reboot/power_off",{})
 189     else
 190       luci.template.render("advanced_reboot/advanced_reboot",{})
 191     end
 192   elseif step == 2 then
 193     luci.template.render("admin_system/applyreboot", {
 194           title = luci.i18n.translate("Shutting down..."),
 195           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."),
 196           addr  = luci.ip.new(uci.cursor():get("network", "lan", "ipaddr")) or "192.168.1.1"
 197         })
 198     luci.sys.call("/sbin/poweroff")
 199   end
 200 end