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"}, template("admin_system/password"), _("Router Password"), 1)
  16         entry({"admin", "system", "admin", "password", "json"}, post("action_password"))
  17
  18         if fs.access("/etc/config/dropbear") then
  19                 entry({"admin", "system", "admin", "dropbear"}, cbi("admin_system/dropbear"), _("SSH Access"), 2)
  20                 entry({"admin", "system", "admin", "sshkeys"}, view("system/sshkeys"), _("SSH-Keys"), 3)
  21         end
  22
  23         entry({"admin", "system", "startup"}, view("system/startup"), _("Startup"), 45)
  24         entry({"admin", "system", "crontab"}, view("system/crontab"), _("Scheduled Tasks"), 46)
  25
  26         if fs.access("/sbin/block") and fs.access("/etc/config/fstab") then
  27                 entry({"admin", "system", "fstab"}, cbi("admin_system/fstab"), _("Mount Points"), 50)
  28                 entry({"admin", "system", "fstab", "mount"}, cbi("admin_system/fstab/mount"), nil).leaf = true
  29                 entry({"admin", "system", "fstab", "swap"},  cbi("admin_system/fstab/swap"),  nil).leaf = true
  30         end
  31
  32         local nodes, number = fs.glob("/sys/class/leds/*")
  33         if number > 0 then
  34                 entry({"admin", "system", "leds"}, view("system/leds"), _("<abbr title=\"Light Emitting Diode\">LED</abbr> Configuration"), 60)
  35         end
  36
  37         entry({"admin", "system", "flashops"}, call("action_flashops"), _("Backup / Flash Firmware"), 70)
  38         entry({"admin", "system", "flashops", "reset"}, post("action_reset"))
  39         entry({"admin", "system", "flashops", "backup"}, post("action_backup"))
  40         entry({"admin", "system", "flashops", "backupmtdblock"}, post("action_backupmtdblock"))
  41         entry({"admin", "system", "flashops", "backupfiles"}, form("admin_system/backupfiles"))
  42
  43         -- call() instead of post() due to upload handling!
  44         entry({"admin", "system", "flashops", "restore"}, call("action_restore"))
  45         entry({"admin", "system", "flashops", "sysupgrade"}, call("action_sysupgrade"))
  46
  47         entry({"admin", "system", "reboot"}, template("admin_system/reboot"), _("Reboot"), 90)
  48         entry({"admin", "system", "reboot", "call"}, post("action_reboot"))
  49 end
  50
  51 function action_clock_status()
  52         local set = tonumber(luci.http.formvalue("set"))
  53         if set ~= nil and set > 0 then
  54                 local date = os.date("*t", set)
  55                 if date then
  56                         luci.sys.call("date -s '%04d-%02d-%02d %02d:%02d:%02d'" %{
  57                                 date.year, date.month, date.day, date.hour, date.min, date.sec
  58                         })
  59                         luci.sys.call("/etc/init.d/sysfixtime restart")
  60                 end
  61         end
  62
  63         luci.http.prepare_content("application/json")
  64         luci.http.write_json({ timestring = os.date("%c") })
  65 end
  66
  67 function action_ntp_restart()
  68         if nixio.fs.access("/etc/init.d/sysntpd") then
  69                 os.execute("/etc/init.d/sysntpd restart")
  70         end
  71         luci.http.prepare_content("text/plain")
  72         luci.http.write("0")
  73 end
  74
  75 local function image_supported(image)
  76         return (os.execute("sysupgrade -T %q >/dev/null" % image) == 0)
  77 end
  78
  79 local function image_checksum(image)
  80         return (luci.sys.exec("md5sum %q" % image):match("^([^%s]+)"))
  81 end
  82
  83 local function image_sha256_checksum(image)
  84         return (luci.sys.exec("sha256sum %q" % image):match("^([^%s]+)"))
  85 end
  86
  87 local function supports_sysupgrade()
  88         return nixio.fs.access("/lib/upgrade/platform.sh")
  89 end
  90
  91 local function supports_reset()
  92         return (os.execute([[grep -sq "^overlayfs:/overlay / overlay " /proc/mounts]]) == 0)
  93 end
  94
  95 local function storage_size()
  96         local size = 0
  97         if nixio.fs.access("/proc/mtd") then
  98                 for l in io.lines("/proc/mtd") do
  99                         local d, s, e, n = l:match('^([^%s]+)%s+([^%s]+)%s+([^%s]+)%s+"([^%s]+)"')
 100                         if n == "linux" or n == "firmware" then
 101                                 size = tonumber(s, 16)
 102                                 break
 103                         end
 104                 end
 105         elseif nixio.fs.access("/proc/partitions") then
 106                 for l in io.lines("/proc/partitions") do
 107                         local x, y, b, n = l:match('^%s*(%d+)%s+(%d+)%s+([^%s]+)%s+([^%s]+)')
 108                         if b and n and not n:match('[0-9]') then
 109                                 size = tonumber(b) * 1024
 110                                 break
 111                         end
 112                 end
 113         end
 114         return size
 115 end
 116
 117
 118 function action_flashops()
 119         --
 120         -- Overview
 121         --
 122         luci.template.render("admin_system/flashops", {
 123                 reset_avail   = supports_reset(),
 124                 upgrade_avail = supports_sysupgrade()
 125         })
 126 end
 127
 128 function action_sysupgrade()
 129         local fs = require "nixio.fs"
 130         local http = require "luci.http"
 131         local image_tmp = "/tmp/firmware.img"
 132
 133         local fp
 134         http.setfilehandler(
 135                 function(meta, chunk, eof)
 136                         if not fp and meta and meta.name == "image" then
 137                                 fp = io.open(image_tmp, "w")
 138                         end
 139                         if fp and chunk then
 140                                 fp:write(chunk)
 141                         end
 142                         if fp and eof then
 143                                 fp:close()
 144                         end
 145                 end
 146         )
 147
 148         if not luci.dispatcher.test_post_security() then
 149                 fs.unlink(image_tmp)
 150                 return
 151         end
 152
 153         --
 154         -- Cancel firmware flash
 155         --
 156         if http.formvalue("cancel") then
 157                 fs.unlink(image_tmp)
 158                 http.redirect(luci.dispatcher.build_url('admin/system/flashops'))
 159                 return
 160         end
 161
 162         --
 163         -- Initiate firmware flash
 164         --
 165         local step = tonumber(http.formvalue("step")) or 1
 166         if step == 1 then
 167                 local force = http.formvalue("force")
 168                 if image_supported(image_tmp) or force then
 169                         luci.template.render("admin_system/upgrade", {
 170                                 checksum = image_checksum(image_tmp),
 171                                 sha256ch = image_sha256_checksum(image_tmp),
 172                                 storage  = storage_size(),
 173                                 size     = (fs.stat(image_tmp, "size") or 0),
 174                                 keep     = (not not http.formvalue("keep")),
 175                                 force    = (not not http.formvalue("force"))
 176                         })
 177                 else
 178                         fs.unlink(image_tmp)
 179                         luci.template.render("admin_system/flashops", {
 180                                 reset_avail   = supports_reset(),
 181                                 upgrade_avail = supports_sysupgrade(),
 182                                 image_invalid = true
 183                         })
 184                 end
 185
 186         --
 187         -- Start sysupgrade flash
 188         --
 189         elseif step == 2 then
 190                 local keep = (http.formvalue("keep") == "1") and "" or "-n"
 191                 local force = (http.formvalue("force") == "1") and "-F" or ""
 192                 luci.template.render("admin_system/applyreboot", {
 193                         title = luci.i18n.translate("Flashing..."),
 194                         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."),
 195                         addr  = (#keep > 0) and (#force > 0) and "192.168.1.1" or nil
 196                 })
 197                 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)
 198         end
 199 end
 200
 201 function action_backup()
 202         luci.http.header('Content-Disposition', 'attachment; filename="backup-%s-%s.tar.gz"'
 203                 %{ luci.sys.hostname(), os.date("%Y-%m-%d") })
 204
 205         luci.http.prepare_content("application/x-targz")
 206         luci.sys.process.exec({ "/sbin/sysupgrade", "--create-backup", "-" }, luci.http.write)
 207 end
 208
 209 function action_backupmtdblock()
 210         local mv = luci.http.formvalue("mtdblockname") or ""
 211         local m, n = mv:match('^([^%s%./"]+)/%d+/(%d+)$')
 212
 213         if not m and n then
 214                 luci.http.status(400, "Bad Request")
 215                 return
 216         end
 217
 218         luci.http.header('Content-Disposition', 'attachment; filename="backup-%s-%s-%s.bin"'
 219                 %{ luci.sys.hostname(), m, os.date("%Y-%m-%d") })
 220
 221         luci.http.prepare_content("application/octet-stream")
 222         luci.sys.process.exec({ "/bin/dd", "if=/dev/mtd%s" % n, "conv=fsync,notrunc" }, luci.http.write)
 223 end
 224
 225 function action_restore()
 226         local fs = require "nixio.fs"
 227         local http = require "luci.http"
 228         local archive_tmp = "/tmp/restore.tar.gz"
 229
 230         local fp
 231         http.setfilehandler(
 232                 function(meta, chunk, eof)
 233                         if not fp and meta and meta.name == "archive" then
 234                                 fp = io.open(archive_tmp, "w")
 235                         end
 236                         if fp and chunk then
 237                                 fp:write(chunk)
 238                         end
 239                         if fp and eof then
 240                                 fp:close()
 241                         end
 242                 end
 243         )
 244
 245         if not luci.dispatcher.test_post_security() then
 246                 fs.unlink(archive_tmp)
 247                 return
 248         end
 249
 250         local upload = http.formvalue("archive")
 251         if upload and #upload > 0 then
 252                 if os.execute("gunzip -t %q >/dev/null 2>&1" % archive_tmp) == 0 then
 253                         luci.template.render("admin_system/applyreboot")
 254                         os.execute("tar -C / -xzf %q >/dev/null 2>&1" % archive_tmp)
 255                         luci.sys.reboot()
 256                 else
 257                         luci.template.render("admin_system/flashops", {
 258                                 reset_avail   = supports_reset(),
 259                                 upgrade_avail = supports_sysupgrade(),
 260                                 backup_invalid = true
 261                         })
 262                 end
 263                 return
 264         end
 265
 266         http.redirect(luci.dispatcher.build_url('admin/system/flashops'))
 267 end
 268
 269 function action_reset()
 270         if supports_reset() then
 271                 luci.template.render("admin_system/applyreboot", {
 272                         title = luci.i18n.translate("Erasing..."),
 273                         msg   = luci.i18n.translate("The system is erasing the configuration partition now and will reboot itself when finished."),
 274                         addr  = "192.168.1.1"
 275                 })
 276
 277                 luci.sys.process.exec({ "/bin/sh", "-c", "sleep 1; killall dropbear uhttpd; sleep 1; jffs2reset -y && reboot" }, nil, nil, true)
 278                 return
 279         end
 280
 281         http.redirect(luci.dispatcher.build_url('admin/system/flashops'))
 282 end
 283
 284 function action_password()
 285         local password = luci.http.formvalue("password")
 286         if not password then
 287                 luci.http.status(400, "Bad Request")
 288                 return
 289         end
 290
 291         luci.http.prepare_content("application/json")
 292         luci.http.write_json({ code = luci.sys.user.setpasswd("root", password) })
 293 end
 294
 295 function action_reboot()
 296         luci.sys.reboot()
 297 end