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