modules/admin-mini/luasrc/controller/mini/system.lua

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2008 Steven Barth <steven@midlink.org>
   5 Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
   6
   7 Licensed under the Apache License, Version 2.0 (the "License");
   8 you may not use this file except in compliance with the License.
   9 You may obtain a copy of the License at
  10
  11         http://www.apache.org/licenses/LICENSE-2.0
  12
  13 $Id$
  14 ]]--
  15
  16 module("luci.controller.mini.system", package.seeall)
  17
  18 function index()
  19         luci.i18n.loadc("admin-core")
  20         local i18n = luci.i18n.translate
  21
  22         entry({"mini", "system"}, alias("mini", "system", "index"), i18n("system"), 40).index = true
  23         entry({"mini", "system", "index"}, cbi("mini/system"), i18n("general"), 1)
  24         entry({"mini", "system", "passwd"}, form("mini/passwd"), i18n("a_s_changepw"), 10)
  25         entry({"mini", "system", "backup"}, call("action_backup"), i18n("a_s_backup"), 80)
  26         entry({"mini", "system", "upgrade"}, call("action_upgrade"), i18n("a_s_flash"), 90)
  27         entry({"mini", "system", "reboot"}, call("action_reboot"), i18n("reboot"), 100)
  28 end
  29
  30 function action_backup()
  31         local reset_avail = os.execute([[grep '"rootfs_data"' /proc/mtd >/dev/null 2>&1]]) == 0
  32         local restore_cmd = "gunzip | tar -xC/ >/dev/null 2>&1"
  33         local backup_cmd  = "tar -c %s | gzip 2>/dev/null"
  34
  35         local restore_fpi
  36         luci.http.setfilehandler(
  37                 function(meta, chunk, eof)
  38                         if not restore_fpi then
  39                                 restore_fpi = io.popen(restore_cmd, "w")
  40                         end
  41                         if chunk then
  42                                 restore_fpi:write(chunk)
  43                         end
  44                         if eof then
  45                                 restore_fpi:close()
  46                         end
  47                 end
  48         )
  49
  50         local upload = luci.http.formvalue("archive")
  51         local backup = luci.http.formvalue("backup")
  52         local reset  = reset_avail and luci.http.formvalue("reset")
  53
  54         if upload and #upload > 0 then
  55                 luci.template.render("mini/applyreboot")
  56                 luci.sys.reboot()
  57         elseif backup then
  58                 luci.util.perror(backup_cmd:format(_keep_pattern()))
  59                 local backup_fpi = io.popen(backup_cmd:format(_keep_pattern()), "r")
  60                 luci.http.header('Content-Disposition', 'attachment; filename="backup.tar.gz"')
  61                 luci.http.prepare_content("application/x-targz")
  62                 luci.ltn12.pump.all(luci.ltn12.source.file(backup_fpi), luci.http.write)
  63         elseif reset then
  64                 luci.template.render("mini/applyreboot")
  65                 luci.util.exec("mtd -r erase rootfs_data")
  66         else
  67                 luci.template.render("mini/backup", {reset_avail = reset_avail})
  68         end
  69 end
  70
  71 function action_reboot()
  72         local reboot = luci.http.formvalue("reboot")
  73         luci.template.render("mini/reboot", {reboot=reboot})
  74         if reboot then
  75                 luci.sys.reboot()
  76         end
  77 end
  78
  79 function action_upgrade()
  80         require("luci.model.uci")
  81
  82         local ret  = nil
  83         local plat = luci.fs.mtime("/lib/upgrade/platform.sh")
  84         local tmpfile = "/tmp/firmware.img"
  85         local keep_avail = true
  86
  87         local file
  88         luci.http.setfilehandler(
  89                 function(meta, chunk, eof)
  90                         if not file then
  91                                 file = io.open(tmpfile, "w")
  92                         end
  93                         if chunk then
  94                                 file:write(chunk)
  95                         end
  96                         if eof then
  97                                 file:close()
  98                         end
  99                 end
 100         )
 101
 102         local fname   = luci.http.formvalue("image")
 103         local keepcfg = keep_avail and luci.http.formvalue("keepcfg")
 104
 105         if plat and fname then
 106                 ret = function()
 107                         return luci.sys.flash(tmpfile, keepcfg and _keep_pattern())
 108                 end
 109         end
 110
 111         luci.http.prepare_content("text/html")
 112         luci.template.render("mini/upgrade", {sysupgrade=plat, ret=ret, keep_avail=keep_avail})
 113 end
 114
 115 function _keep_pattern()
 116         local kpattern = ""
 117         local files = luci.model.uci.cursor():get_all("luci", "flash_keep")
 118         if files then
 119                 kpattern = ""
 120                 for k, v in pairs(files) do
 121                         if k:sub(1,1) ~= "." and luci.fs.glob(v) then
 122                                 kpattern = kpattern .. " " ..  v
 123                         end
 124                 end
 125         end
 126         return kpattern
 127 end