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 nixio.fs.access("/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("admin_upgrade"), 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 submit = luci.http.formvalue("submit")
  42         local changes = false
  43         local install = { }
  44         local remove  = { }
  45
  46         -- Search query
  47         local query = luci.http.formvalue("query")
  48         query = (query ~= '') and query or nil
  49
  50
  51         -- Packets to be installed
  52         local ninst = submit and luci.http.formvalue("install")
  53         local uinst = nil
  54
  55         -- Install from URL
  56         local url = luci.http.formvalue("url")
  57         if url and url ~= '' and submit then
  58                 uinst = url
  59         end
  60
  61         -- Do install
  62         if ninst then
  63                 _, install[ninst] = ipkg.install(ninst)
  64                 changes = true
  65         end
  66
  67         if uinst then
  68                 _, install[uinst] = ipkg.install(uinst)
  69                 changes = true
  70         end
  71
  72         -- Remove packets
  73         local rem = submit and luci.http.formvalue("remove")
  74         if rem then
  75                 _, remove[rem] = ipkg.remove(rem)
  76                 changes = true
  77         end
  78
  79
  80         -- Update all packets
  81         local update = luci.http.formvalue("update")
  82         if update then
  83                 _, update = ipkg.update()
  84         end
  85
  86
  87         -- Upgrade all packets
  88         local upgrade = luci.http.formvalue("upgrade")
  89         if upgrade then
  90                 _, upgrade = ipkg.upgrade()
  91         end
  92
  93
  94         luci.template.render("admin_system/packages", {
  95                 query=query, install=install, remove=remove, update=update, upgrade=upgrade
  96         })
  97
  98         -- Remove index cache
  99         if changes then
 100                 nixio.fs.unlink("/tmp/luci-indexcache")
 101         end
 102 end
 103
 104 function action_backup()
 105         local reset_avail = os.execute([[grep '"rootfs_data"' /proc/mtd >/dev/null 2>&1]]) == 0
 106         local restore_cmd = "gunzip | tar -xC/ >/dev/null 2>&1"
 107         local backup_cmd  = "tar -c %s | gzip 2>/dev/null"
 108
 109         local restore_fpi
 110         luci.http.setfilehandler(
 111                 function(meta, chunk, eof)
 112                         if not restore_fpi then
 113                                 restore_fpi = io.popen(restore_cmd, "w")
 114                         end
 115                         if chunk then
 116                                 restore_fpi:write(chunk)
 117                         end
 118                         if eof then
 119                                 restore_fpi:close()
 120                         end
 121                 end
 122         )
 123
 124         local upload = luci.http.formvalue("archive")
 125         local backup = luci.http.formvalue("backup")
 126         local reset  = reset_avail and luci.http.formvalue("reset")
 127
 128         if upload and #upload > 0 then
 129                 luci.template.render("admin_system/applyreboot")
 130                 luci.sys.reboot()
 131         elseif backup then
 132                 luci.util.perror(backup_cmd:format(_keep_pattern()))
 133                 local backup_fpi = io.popen(backup_cmd:format(_keep_pattern()), "r")
 134                 luci.http.header('Content-Disposition', 'attachment; filename="backup-%s-%s.tar.gz"' % {
 135                         luci.sys.hostname(), os.date("%Y-%m-%d")})
 136                 luci.http.prepare_content("application/x-targz")
 137                 luci.ltn12.pump.all(luci.ltn12.source.file(backup_fpi), luci.http.write)
 138         elseif reset then
 139                 luci.template.render("admin_system/applyreboot")
 140                 luci.util.exec("mtd -r erase rootfs_data")
 141         else
 142                 luci.template.render("admin_system/backup", {reset_avail = reset_avail})
 143         end
 144 end
 145
 146 function action_passwd()
 147         local p1 = luci.http.formvalue("pwd1")
 148         local p2 = luci.http.formvalue("pwd2")
 149         local stat = nil
 150
 151         if p1 or p2 then
 152                 if p1 == p2 then
 153                         stat = luci.sys.user.setpasswd("root", p1)
 154                 else
 155                         stat = 10
 156                 end
 157         end
 158
 159         luci.template.render("admin_system/passwd", {stat=stat})
 160 end
 161
 162 function action_reboot()
 163         local reboot = luci.http.formvalue("reboot")
 164         luci.template.render("admin_system/reboot", {reboot=reboot})
 165         if reboot then
 166                 luci.sys.reboot()
 167         end
 168 end
 169
 170 function action_upgrade()
 171         require("luci.model.uci")
 172
 173         local tmpfile = "/tmp/firmware.img"
 174
 175         local function image_supported()
 176                 -- XXX: yay...
 177                 return ( 0 == os.execute(
 178                         ". /etc/functions.sh; " ..
 179                         "include /lib/upgrade; " ..
 180                         "platform_check_image %q >/dev/null"
 181                                 % tmpfile
 182                 ) )
 183         end
 184
 185         local function image_checksum()
 186                 return (luci.sys.exec("md5sum %q" % tmpfile):match("^([^%s]+)"))
 187         end
 188
 189         local function storage_size()
 190                 local size = 0
 191                 if nixio.fs.access("/proc/mtd") then
 192                         for l in io.lines("/proc/mtd") do
 193                                 local d, s, e, n = l:match('^([^%s]+)%s+([^%s]+)%s+([^%s]+)%s+"([^%s]+)"')
 194                                 if n == "linux" then
 195                                         size = tonumber(s, 16)
 196                                         break
 197                                 end
 198                         end
 199                 elseif nixio.fs.access("/proc/partitions") then
 200                         for l in io.lines("/proc/partitions") do
 201                                 local x, y, b, n = l:match('^%s*(%d+)%s+(%d+)%s+([^%s]+)%s+([^%s]+)')
 202                                 if b and n and not n:match('[0-9]') then
 203                                         size = tonumber(b) * 1024
 204                                         break
 205                                 end
 206                         end
 207                 end
 208                 return size
 209         end
 210
 211
 212         -- Install upload handler
 213         local file
 214         luci.http.setfilehandler(
 215                 function(meta, chunk, eof)
 216                         if not nixio.fs.access(tmpfile) and not file and chunk and #chunk > 0 then
 217                                 file = io.open(tmpfile, "w")
 218                         end
 219                         if file and chunk then
 220                                 file:write(chunk)
 221                         end
 222                         if file and eof then
 223                                 file:close()
 224                         end
 225                 end
 226         )
 227
 228
 229         -- Determine state
 230         local keep_avail   = true
 231         local step         = tonumber(luci.http.formvalue("step") or 1)
 232         local has_image    = nixio.fs.access(tmpfile)
 233         local has_support  = image_supported()
 234         local has_platform = nixio.fs.access("/lib/upgrade/platform.sh")
 235         local has_upload   = luci.http.formvalue("image")
 236
 237         -- This does the actual flashing which is invoked inside an iframe
 238         -- so don't produce meaningful errors here because the the
 239         -- previous pages should arrange the stuff as required.
 240         if step == 4 then
 241                 if has_platform and has_image and has_support then
 242                         -- Mimetype text/plain
 243                         luci.http.prepare_content("text/plain")
 244
 245                         -- Now invoke sysupgrade
 246                         local keepcfg = keep_avail and luci.http.formvalue("keepcfg") == "1"
 247                         local fd = io.popen("/sbin/luci-flash %s %q" %{
 248                                 keepcfg and "-k %q" % _keep_pattern() or "", tmpfile
 249                         })
 250
 251                         if fd then
 252                                 while true do
 253                                         local ln = fd:read("*l")
 254                                         if not ln then break end
 255                                         luci.http.write(ln .. "\n")
 256                                 end
 257                                 fd:close()
 258                         end
 259
 260                         -- Make sure the device is rebooted
 261                         luci.sys.reboot()
 262                 end
 263
 264
 265         --
 266         -- This is step 1-3, which does the user interaction and
 267         -- image upload.
 268         --
 269
 270         -- Step 1: file upload, error on unsupported image format
 271         elseif not has_image or not has_support or step == 1 then
 272                 -- If there is an image but user has requested step 1
 273                 -- or type is not supported, then remove it.
 274                 if has_image then
 275                         nixio.fs.unlink(tmpfile)
 276                 end
 277
 278                 luci.template.render("admin_system/upgrade", {
 279                         step=1,
 280                         bad_image=(has_image and not has_support or false),
 281                         keepavail=keep_avail,
 282                         supported=has_platform
 283                 } )
 284
 285         -- Step 2: present uploaded file, show checksum, confirmation
 286         elseif step == 2 then
 287                 luci.template.render("admin_system/upgrade", {
 288                         step=2,
 289                         checksum=image_checksum(),
 290                         filesize=nixio.fs.stat(tmpfile).size,
 291                         flashsize=storage_size(),
 292                         keepconfig=(keep_avail and luci.http.formvalue("keepcfg") == "1")
 293                 } )
 294
 295         -- Step 3: load iframe which calls the actual flash procedure
 296         elseif step == 3 then
 297                 luci.template.render("admin_system/upgrade", {
 298                         step=3,
 299                         keepconfig=(keep_avail and luci.http.formvalue("keepcfg") == "1")
 300                 } )
 301         end
 302 end
 303
 304 function _keep_pattern()
 305         local kpattern = ""
 306         local files = luci.model.uci.cursor():get_all("luci", "flash_keep")
 307         if files then
 308                 kpattern = ""
 309                 for k, v in pairs(files) do
 310                         if k:sub(1,1) ~= "." and nixio.fs.glob(v)() then
 311                                 kpattern = kpattern .. " " ..  v
 312                         end
 313                 end
 314         end
 315         return kpattern
 316 end