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

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2008 Steven Barth <steven@midlink.org>
   5 Copyright 2008-2009 Jo-Philipp Wich <xm@subsignal.org>
   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 module("luci.controller.admin.system", package.seeall)
  16
  17 function index()
  18         luci.i18n.loadc("admin-core")
  19         local i18n = luci.i18n.translate
  20
  21         entry({"admin", "system"}, alias("admin", "system", "system"), i18n("system"), 30).index = true
  22         entry({"admin", "system", "system"}, cbi("admin_system/system"), i18n("system"), 1)
  23         entry({"admin", "system", "packages"}, call("action_packages"), i18n("a_s_packages"), 10)
  24         entry({"admin", "system", "packages", "ipkg"}, form("admin_system/ipkg"))
  25         entry({"admin", "system", "passwd"}, form("admin_system/passwd"), i18n("a_s_changepw"), 20)
  26         entry({"admin", "system", "sshkeys"}, form("admin_system/sshkeys"), i18n("a_s_sshkeys"), 30)
  27         entry({"admin", "system", "processes"}, form("admin_system/processes"), i18n("process_head"), 45)
  28         entry({"admin", "system", "fstab"}, cbi("admin_system/fstab"), i18n("a_s_fstab"), 50)
  29
  30         if luci.fs.isdirectory("/sys/class/leds") then
  31                 entry({"admin", "system", "leds"}, cbi("admin_system/leds"), i18n("leds", "LEDs"), 60)
  32         end
  33
  34         entry({"admin", "system", "backup"}, call("action_backup"), i18n("a_s_backup"), 70)
  35         entry({"admin", "system", "upgrade"}, call("action_upgrade"), i18n("a_s_flash"), 80)
  36         entry({"admin", "system", "reboot"}, call("action_reboot"), i18n("reboot"), 90)
  37 end
  38
  39 function action_packages()
  40         local ipkg = require("luci.model.ipkg")
  41         local void = nil
  42         local submit = luci.http.formvalue("submit")
  43
  44
  45         -- Search query
  46         local query = luci.http.formvalue("query")
  47         query = (query ~= '') and query or nil
  48
  49
  50         -- Packets to be installed
  51         local install = submit and luci.http.formvaluetable("install")
  52
  53         -- Install from URL
  54         local url = luci.http.formvalue("url")
  55         if url and url ~= '' and submit then
  56                 if not install then
  57                         install = {}
  58                 end
  59                 install[url] = 1
  60         end
  61
  62         -- Do install
  63         if install then
  64                 for k, v in pairs(install) do
  65                         void, install[k] = ipkg.install(k)
  66                 end
  67         end
  68
  69
  70         -- Remove packets
  71         local remove = submit and luci.http.formvaluetable("remove")
  72         if remove then
  73                 for k, v in pairs(remove) do
  74                         void, remove[k] = ipkg.remove(k)
  75                 end
  76         end
  77
  78
  79         -- Update all packets
  80         local update = luci.http.formvalue("update")
  81         if update then
  82                 void, update = ipkg.update()
  83         end
  84
  85
  86         -- Upgrade all packets
  87         local upgrade = luci.http.formvalue("upgrade")
  88         if upgrade then
  89                 void, upgrade = ipkg.upgrade()
  90         end
  91
  92
  93         -- Package info
  94         local info = luci.model.ipkg.info(query and "*"..query.."*")
  95         info = info or {}
  96         local pkgs = {}
  97
  98         -- Sort after status and name
  99         for k, v in pairs(info) do
 100                 local x = 0
 101                 for i, j in pairs(pkgs) do
 102                         local vins = (v.Status and v.Status.installed)
 103                         local jins = (j.Status and j.Status.installed)
 104                         if vins ~= jins then
 105                                 if vins then
 106                                         break
 107                                 end
 108                         else
 109                                 if j.Package > v.Package then
 110                                         break
 111                                 end
 112                         end
 113                         x = i
 114                 end
 115                 table.insert(pkgs, x+1, v)
 116         end
 117
 118         luci.template.render("admin_system/packages", {pkgs=pkgs, query=query,
 119          install=install, remove=remove, update=update, upgrade=upgrade})
 120 end
 121
 122 function action_backup()
 123         local reset_avail = os.execute([[grep '"rootfs_data"' /proc/mtd >/dev/null 2>&1]]) == 0
 124         local restore_cmd = "gunzip | tar -xC/ >/dev/null 2>&1"
 125         local backup_cmd  = "tar -c %s | gzip 2>/dev/null"
 126
 127         local restore_fpi
 128         luci.http.setfilehandler(
 129                 function(meta, chunk, eof)
 130                         if not restore_fpi then
 131                                 restore_fpi = io.popen(restore_cmd, "w")
 132                         end
 133                         if chunk then
 134                                 restore_fpi:write(chunk)
 135                         end
 136                         if eof then
 137                                 restore_fpi:close()
 138                         end
 139                 end
 140         )
 141
 142         local upload = luci.http.formvalue("archive")
 143         local backup = luci.http.formvalue("backup")
 144         local reset  = reset_avail and luci.http.formvalue("reset")
 145
 146         if upload and #upload > 0 then
 147                 luci.template.render("admin_system/applyreboot")
 148                 luci.sys.reboot()
 149         elseif backup then
 150                 luci.util.perror(backup_cmd:format(_keep_pattern()))
 151                 local backup_fpi = io.popen(backup_cmd:format(_keep_pattern()), "r")
 152                 luci.http.header('Content-Disposition', 'attachment; filename="backup-%s-%s.tar.gz"' % {
 153                         luci.sys.hostname(), os.date("%Y-%m-%d")})
 154                 luci.http.prepare_content("application/x-targz")
 155                 luci.ltn12.pump.all(luci.ltn12.source.file(backup_fpi), luci.http.write)
 156         elseif reset then
 157                 luci.template.render("admin_system/applyreboot")
 158                 luci.util.exec("mtd -r erase rootfs_data")
 159         else
 160                 luci.template.render("admin_system/backup", {reset_avail = reset_avail})
 161         end
 162 end
 163
 164 function action_passwd()
 165         local p1 = luci.http.formvalue("pwd1")
 166         local p2 = luci.http.formvalue("pwd2")
 167         local stat = nil
 168
 169         if p1 or p2 then
 170                 if p1 == p2 then
 171                         stat = luci.sys.user.setpasswd("root", p1)
 172                 else
 173                         stat = 10
 174                 end
 175         end
 176
 177         luci.template.render("admin_system/passwd", {stat=stat})
 178 end
 179
 180 function action_reboot()
 181         local reboot = luci.http.formvalue("reboot")
 182         luci.template.render("admin_system/reboot", {reboot=reboot})
 183         if reboot then
 184                 luci.sys.reboot()
 185         end
 186 end
 187
 188 function action_upgrade()
 189         require("luci.model.uci")
 190
 191         local tmpfile = "/tmp/firmware.img"
 192
 193         local function image_supported()
 194                 -- XXX: yay...
 195                 return ( 0 == os.execute(
 196                         ". /etc/functions.sh; " ..
 197                         "include /lib/upgrade; " ..
 198                         "platform_check_image %q >/dev/null"
 199                                 % tmpfile
 200                 ) )
 201         end
 202
 203         local function image_checksum()
 204                 return (luci.sys.exec("md5sum %q" % tmpfile):match("^([^%s]+)"))
 205         end
 206
 207         local function storage_size()
 208                 local size = 0
 209                 if luci.fs.access("/proc/mtd") then
 210                         for l in io.lines("/proc/mtd") do
 211                                 local d, s, e, n = l:match('^([^%s]+)%s+([^%s]+)%s+([^%s]+)%s+"([^%s]+)"')
 212                                 if n == "linux" then
 213                                         size = tonumber(s, 16)
 214                                         break
 215                                 end
 216                         end
 217                 end
 218                 return size
 219         end
 220
 221
 222         -- Install upload handler
 223         local file
 224         luci.http.setfilehandler(
 225                 function(meta, chunk, eof)
 226                         if not luci.fs.access(tmpfile) and not file and chunk and #chunk > 0 then
 227                                 file = io.open(tmpfile, "w")
 228                         end
 229                         if file and chunk then
 230                                 file:write(chunk)
 231                         end
 232                         if file and eof then
 233                                 file:close()
 234                         end
 235                 end
 236         )
 237
 238
 239         -- Determine state
 240         local keep_avail   = true
 241         local step         = tonumber(luci.http.formvalue("step") or 1)
 242         local has_image    = luci.fs.access(tmpfile)
 243         local has_support  = image_supported()
 244         local has_platform = luci.fs.access("/lib/upgrade/platform.sh")
 245         local has_upload   = luci.http.formvalue("image")
 246
 247         -- This does the actual flashing which is invoked inside an iframe
 248         -- so don't produce meaningful errors here because the the
 249         -- previous pages should arrange the stuff as required.
 250         if step == 4 then
 251                 if has_platform and has_image and has_support then
 252                         -- Next line is to bypass luci.http layer
 253                         luci.http.context.eoh = true
 254
 255                         -- Now invoke sysupgrade
 256                         local keepcfg = keep_avail and luci.http.formvalue("keepcfg") == "1"
 257                         os.execute("/sbin/luci-flash %s %q" %{
 258                                 keepcfg and "-k %q" % _keep_pattern() or "", tmpfile
 259                         })
 260
 261                         -- Make sure the device is rebooted
 262                         luci.sys.reboot()
 263                 end
 264
 265
 266         --
 267         -- This is step 1-3, which does the user interaction and
 268         -- image upload.
 269         --
 270
 271         -- Step 1: file upload, error on unsupported image format
 272         elseif not has_image or not has_support or step == 1 then
 273                 -- If there is an image but user has requested step 1
 274                 -- or type is not supported, then remove it.
 275                 if has_image then
 276                         luci.fs.unlink(tmpfile)
 277                 end
 278
 279                 luci.template.render("admin_system/upgrade", {
 280                         step=1,
 281                         bad_image=(has_image and not has_support or false),
 282                         keepavail=keep_avail,
 283                         supported=has_platform
 284                 } )
 285
 286         -- Step 2: present uploaded file, show checksum, confirmation
 287         elseif step == 2 then
 288                 luci.template.render("admin_system/upgrade", {
 289                         step=2,
 290                         checksum=image_checksum(),
 291                         filesize=luci.fs.stat(tmpfile).size,
 292                         flashsize=storage_size(),
 293                         keepconfig=(keep_avail and luci.http.formvalue("keepcfg") == "1")
 294                 } )
 295
 296         -- Step 3: load iframe which calls the actual flash procedure
 297         elseif step == 3 then
 298                 luci.template.render("admin_system/upgrade", {
 299                         step=3,
 300                         keepconfig=(keep_avail and luci.http.formvalue("keepcfg") == "1")
 301                 } )
 302         end
 303 end
 304
 305 function _keep_pattern()
 306         local kpattern = ""
 307         local files = luci.model.uci.cursor():get_all("luci", "flash_keep")
 308         if files then
 309                 kpattern = ""
 310                 for k, v in pairs(files) do
 311                         if k:sub(1,1) ~= "." and luci.fs.glob(v) then
 312                                 kpattern = kpattern .. " " ..  v
 313                         end
 314                 end
 315         end
 316         return kpattern
 317 end