modules/luci-mod-system/luasrc/controller/admin/system.lua

   1 -- Copyright 2008 Steven Barth <steven@midlink.org>
   2 -- Copyright 2008-2011 Jo-Philipp Wich <jow@openwrt.org>
   3 -- Licensed to the public under the Apache License 2.0.
   4
   5 module("luci.controller.admin.system", package.seeall)
   6
   7 function index()
   8         local fs = require "nixio.fs"
   9
  10         entry({"admin", "system", "system"}, cbi("admin_system/system"), _("System"), 1)
  11         entry({"admin", "system", "clock_status"}, post_on({ set = true }, "action_clock_status"))
  12
  13         entry({"admin", "system", "admin"}, cbi("admin_system/admin"), _("Administration"), 2)
  14         entry({"admin", "system", "startup"}, form("admin_system/startup"), _("Startup"), 45)
  15         entry({"admin", "system", "crontab"}, form("admin_system/crontab"), _("Scheduled Tasks"), 46)
  16
  17         if fs.access("/sbin/block") and fs.access("/etc/config/fstab") then
  18                 entry({"admin", "system", "fstab"}, cbi("admin_system/fstab"), _("Mount Points"), 50)
  19                 entry({"admin", "system", "fstab", "mount"}, cbi("admin_system/fstab/mount"), nil).leaf = true
  20                 entry({"admin", "system", "fstab", "swap"},  cbi("admin_system/fstab/swap"),  nil).leaf = true
  21         end
  22
  23         local nodes, number = fs.glob("/sys/class/leds/*")
  24         if number > 0 then
  25                 entry({"admin", "system", "leds"}, cbi("admin_system/leds"), _("<abbr title=\"Light Emitting Diode\">LED</abbr> Configuration"), 60)
  26         end
  27
  28         entry({"admin", "system", "flashops"}, call("action_flashops"), _("Backup / Flash Firmware"), 70)
  29         entry({"admin", "system", "flashops", "reset"}, post("action_reset"))
  30         entry({"admin", "system", "flashops", "backup"}, post("action_backup"))
  31         entry({"admin", "system", "flashops", "backupmtdblock"}, post("action_backupmtdblock"))
  32         entry({"admin", "system", "flashops", "backupfiles"}, form("admin_system/backupfiles"))
  33
  34         -- call() instead of post() due to upload handling!
  35         entry({"admin", "system", "flashops", "restore"}, call("action_restore"))
  36         entry({"admin", "system", "flashops", "sysupgrade"}, call("action_sysupgrade"))
  37
  38         entry({"admin", "system", "reboot"}, template("admin_system/reboot"), _("Reboot"), 90)
  39         entry({"admin", "system", "reboot", "call"}, post("action_reboot"))
  40 end
  41
  42 function action_clock_status()
  43         local set = tonumber(luci.http.formvalue("set"))
  44         if set ~= nil and set > 0 then
  45                 local date = os.date("*t", set)
  46                 if date then
  47                         luci.sys.call("date -s '%04d-%02d-%02d %02d:%02d:%02d'" %{
  48                                 date.year, date.month, date.day, date.hour, date.min, date.sec
  49                         })
  50                         luci.sys.call("/etc/init.d/sysfixtime restart")
  51                 end
  52         end
  53
  54         luci.http.prepare_content("application/json")
  55         luci.http.write_json({ timestring = os.date("%c") })
  56 end
  57
  58 local function image_supported(image)
  59         return (os.execute("sysupgrade -T %q >/dev/null" % image) == 0)
  60 end
  61
  62 local function image_checksum(image)
  63         return (luci.sys.exec("md5sum %q" % image):match("^([^%s]+)"))
  64 end
  65
  66 local function image_sha256_checksum(image)
  67         return (luci.sys.exec("sha256sum %q" % image):match("^([^%s]+)"))
  68 end
  69
  70 local function supports_sysupgrade()
  71         return nixio.fs.access("/lib/upgrade/platform.sh")
  72 end
  73
  74 local function supports_reset()
  75         return (os.execute([[grep -sq "^overlayfs:/overlay / overlay " /proc/mounts]]) == 0)
  76 end
  77
  78 local function storage_size()
  79         local size = 0
  80         if nixio.fs.access("/proc/mtd") then
  81                 for l in io.lines("/proc/mtd") do
  82                         local d, s, e, n = l:match('^([^%s]+)%s+([^%s]+)%s+([^%s]+)%s+"([^%s]+)"')
  83                         if n == "linux" or n == "firmware" then
  84                                 size = tonumber(s, 16)
  85                                 break
  86                         end
  87                 end
  88         elseif nixio.fs.access("/proc/partitions") then
  89                 for l in io.lines("/proc/partitions") do
  90                         local x, y, b, n = l:match('^%s*(%d+)%s+(%d+)%s+([^%s]+)%s+([^%s]+)')
  91                         if b and n and not n:match('[0-9]') then
  92                                 size = tonumber(b) * 1024
  93                                 break
  94                         end
  95                 end
  96         end
  97         return size
  98 end
  99
 100
 101 function action_flashops()
 102         --
 103         -- Overview
 104         --
 105         luci.template.render("admin_system/flashops", {
 106                 reset_avail   = supports_reset(),
 107                 upgrade_avail = supports_sysupgrade()
 108         })
 109 end
 110
 111 function action_sysupgrade()
 112         local fs = require "nixio.fs"
 113         local http = require "luci.http"
 114         local image_tmp = "/tmp/firmware.img"
 115
 116         local fp
 117         http.setfilehandler(
 118                 function(meta, chunk, eof)
 119                         if not fp and meta and meta.name == "image" then
 120                                 fp = io.open(image_tmp, "w")
 121                         end
 122                         if fp and chunk then
 123                                 fp:write(chunk)
 124                         end
 125                         if fp and eof then
 126                                 fp:close()
 127                         end
 128                 end
 129         )
 130
 131         if not luci.dispatcher.test_post_security() then
 132                 fs.unlink(image_tmp)
 133                 return
 134         end
 135
 136         --
 137         -- Cancel firmware flash
 138         --
 139         if http.formvalue("cancel") then
 140                 fs.unlink(image_tmp)
 141                 http.redirect(luci.dispatcher.build_url('admin/system/flashops'))
 142                 return
 143         end
 144
 145         --
 146         -- Initiate firmware flash
 147         --
 148         local step = tonumber(http.formvalue("step")) or 1
 149         if step == 1 then
 150                 local force = http.formvalue("force")
 151                 if image_supported(image_tmp) or force then
 152                         luci.template.render("admin_system/upgrade", {
 153                                 checksum = image_checksum(image_tmp),
 154                                 sha256ch = image_sha256_checksum(image_tmp),
 155                                 storage  = storage_size(),
 156                                 size     = (fs.stat(image_tmp, "size") or 0),
 157                                 keep     = (not not http.formvalue("keep")),
 158                                 force    = (not not http.formvalue("force"))
 159                         })
 160                 else
 161                         fs.unlink(image_tmp)
 162                         luci.template.render("admin_system/flashops", {
 163                                 reset_avail   = supports_reset(),
 164                                 upgrade_avail = supports_sysupgrade(),
 165                                 image_invalid = true
 166                         })
 167                 end
 168
 169         --
 170         -- Start sysupgrade flash
 171         --
 172         elseif step == 2 then
 173                 local keep = (http.formvalue("keep") == "1") and "" or "-n"
 174                 local force = (http.formvalue("force") == "1") and "-F" or ""
 175                 luci.template.render("admin_system/applyreboot", {
 176                         title = luci.i18n.translate("Flashing..."),
 177                         msg   = luci.i18n.translate("The system is flashing 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."),
 178                         addr  = (#keep > 0) and (#force > 0) and "192.168.1.1" or nil
 179                 })
 180                 luci.sys.process.exec({ "/bin/sh", "-c","sleep 1; killall dropbear uhttpd; sleep 1; /sbin/sysupgrade %s %s %q" %{ keep, force, image_tmp } }, nil, nil, true)
 181         end
 182 end
 183
 184 function action_backup()
 185         luci.http.header('Content-Disposition', 'attachment; filename="backup-%s-%s.tar.gz"'
 186                 %{ luci.sys.hostname(), os.date("%Y-%m-%d") })
 187
 188         luci.http.prepare_content("application/x-targz")
 189         luci.sys.process.exec({ "/sbin/sysupgrade", "--create-backup", "-" }, luci.http.write)
 190 end
 191
 192 function action_backupmtdblock()
 193         local mv = luci.http.formvalue("mtdblockname") or ""
 194         local m, n = mv:match('^([^%s%./"]+)/%d+/(%d+)$')
 195
 196         if not m and n then
 197                 luci.http.status(400, "Bad Request")
 198                 return
 199         end
 200
 201         luci.http.header('Content-Disposition', 'attachment; filename="backup-%s-%s-%s.bin"'
 202                 %{ luci.sys.hostname(), m, os.date("%Y-%m-%d") })
 203
 204         luci.http.prepare_content("application/octet-stream")
 205         luci.sys.process.exec({ "/bin/dd", "if=/dev/mtd%s" % n, "conv=fsync,notrunc" }, luci.http.write)
 206 end
 207
 208 function action_restore()
 209         local fs = require "nixio.fs"
 210         local http = require "luci.http"
 211         local archive_tmp = "/tmp/restore.tar.gz"
 212
 213         local fp
 214         http.setfilehandler(
 215                 function(meta, chunk, eof)
 216                         if not fp and meta and meta.name == "archive" then
 217                                 fp = io.open(archive_tmp, "w")
 218                         end
 219                         if fp and chunk then
 220                                 fp:write(chunk)
 221                         end
 222                         if fp and eof then
 223                                 fp:close()
 224                         end
 225                 end
 226         )
 227
 228         if not luci.dispatcher.test_post_security() then
 229                 fs.unlink(archive_tmp)
 230                 return
 231         end
 232
 233         local upload = http.formvalue("archive")
 234         if upload and #upload > 0 then
 235                 if os.execute("gunzip -t %q >/dev/null 2>&1" % archive_tmp) == 0 then
 236                         luci.template.render("admin_system/applyreboot")
 237                         os.execute("tar -C / -xzf %q >/dev/null 2>&1" % archive_tmp)
 238                         luci.sys.reboot()
 239                 else
 240                         luci.template.render("admin_system/flashops", {
 241                                 reset_avail   = supports_reset(),
 242                                 upgrade_avail = supports_sysupgrade(),
 243                                 backup_invalid = true
 244                         })
 245                 end
 246                 return
 247         end
 248
 249         http.redirect(luci.dispatcher.build_url('admin/system/flashops'))
 250 end
 251
 252 function action_reset()
 253         if supports_reset() then
 254                 luci.template.render("admin_system/applyreboot", {
 255                         title = luci.i18n.translate("Erasing..."),
 256                         msg   = luci.i18n.translate("The system is erasing the configuration partition now and will reboot itself when finished."),
 257                         addr  = "192.168.1.1"
 258                 })
 259
 260                 luci.sys.process.exec({ "/bin/sh", "-c", "sleep 1; killall dropbear uhttpd; sleep 1; jffs2reset -y && reboot" }, nil, nil, true)
 261                 return
 262         end
 263
 264         http.redirect(luci.dispatcher.build_url('admin/system/flashops'))
 265 end
 266
 267 function action_passwd()
 268         local p1 = luci.http.formvalue("pwd1")
 269         local p2 = luci.http.formvalue("pwd2")
 270         local stat = nil
 271
 272         if p1 or p2 then
 273                 if p1 == p2 then
 274                         stat = luci.sys.user.setpasswd("root", p1)
 275                 else
 276                         stat = 10
 277                 end
 278         end
 279
 280         luci.template.render("admin_system/passwd", {stat=stat})
 281 end
 282
 283 function action_reboot()
 284         luci.sys.reboot()
 285 end