$Id$
]]--
-local req = require
+local require, pairs, unpack, tonumber = require, pairs, unpack, tonumber
module "luci.controller.niu.system"
function index()
- entry({"niu", "system"}, nil, "System").dbtemplate = "niu/system"
+ local toniu = {on_success_to={"niu"}}
+
+ local e = entry({"niu", "system"}, alias("niu"), "System", 30)
+ e.niu_dbtemplate = "niu/system"
+ e.niu_dbtasks = true
+ e.niu_dbicon = "icons32/preferences-system.png"
entry({"niu", "system", "general"},
- cbi("niu/system/general", {on_success_to={"niu"}}), "General", 10)
+ cbi("niu/system/general", toniu), "Configure Device", 1)
+
+ entry({"niu", "system", "backup"}, call("backup"), "Backup or Restore Settings", 2)
+ entry({"niu", "system", "upgrade"}, call("upgrade"), "Upgrade Firmware", 30)
+end
+
+function backup()
+ local dsp = require "luci.dispatcher"
+ local os, io = require "os", require "io"
+ local uci = require "luci.model.uci".inst
+ local nixio, nutl = require "nixio", require "nixio.util"
+ local fs = require "nixio.fs"
+ local http = require "luci.http"
+ local tpl = require "luci.template"
+
+ local restore_fpi
+ http.setfilehandler(
+ function(meta, chunk, eof)
+ if not restore_fpi then
+ restore_fpi = io.popen("tar -xzC/ >/dev/null 2>&1", "w")
+ end
+ if chunk then
+ restore_fpi:write(chunk)
+ end
+ if eof then
+ restore_fpi:close()
+ end
+ end
+ )
+
+ local reset_avail = (fs.readfile("/proc/mtd") or ""):find('"rootfs_data"')
+ local upload = http.formvalue("archive")
+ local backup = http.formvalue("backup")
+ local reset = reset_avail and http.formvalue("reset")
+ local backup_cmd = "tar -cz %s 2>/dev/null"
+
+ if http.formvalue("cancel") then
+ return http.redirect(dsp.build_url("niu"))
+ end
+
+ if backup then
+ local call = {"/bin/tar", "-cz"}
+ for k, v in pairs(uci:get_all("luci", "flash_keep")) do
+ if k:byte() ~= 46 then -- k[1] ~= "."
+ nutl.consume(fs.glob(v), call)
+ end
+ end
+
+
+ http.header(
+ 'Content-Disposition', 'attachment; filename="backup-%s-%s.tar.gz"' % {
+ nixio.uname().nodename, os.date("%Y-%m-%d")
+ }
+ )
+ http.prepare_content("application/x-targz")
+
+
+ local fdin, fdout = nixio.pipe()
+ local devnull = nixio.open("/dev/null", "r+")
+ local proc = nixio.fork()
+
+ if proc == 0 then
+ fdin:close()
+ nixio.dup(devnull, nixio.stdin)
+ nixio.dup(devnull, nixio.stderr)
+ nixio.dup(fdout, nixio.stdout)
+ nixio.exec(unpack(call))
+ os.exit(1)
+ end
+
+ fdout:close()
+ http.splice(fdin)
+ http.close()
+ elseif (upload and #upload > 0) or reset then
+ tpl.render("niu/system/reboot")
+ if nixio.fork() == 0 then
+ nixio.nanosleep(1)
+ if reset then
+ nixio.execp("mtd", "-r", "erase", "rootfs_data")
+ else
+ nixio.execp("reboot")
+ end
+ os.exit(1)
+ end
+ else
+ tpl.render("niu/system/backup", {reset_avail = reset_avail})
+ end
end
+
+function upgrade()
+ local io, os, table = require "io", require "os", require "table"
+ local uci = require "luci.store".uci_state
+ local http = require "luci.http"
+ local util = require "luci.util"
+ local tpl = require "luci.template"
+ local nixio = require "nixio", require "nixio.util", require "nixio.fs"
+
+
+ local tmpfile = "/tmp/firmware.img"
+
+ local function image_supported()
+ -- XXX: yay...
+ return ( 0 == os.execute(
+ ". /etc/functions.sh; " ..
+ "include /lib/upgrade; " ..
+ "platform_check_image %q >/dev/null"
+ % tmpfile
+ ) )
+ end
+
+ local function image_checksum()
+ return (util.exec("md5sum %q" % tmpfile):match("^([^%s]+)"))
+ end
+
+ local function storage_size()
+ local size = 0
+ if nixio.fs.access("/proc/mtd") then
+ for l in io.lines("/proc/mtd") do
+ local d, s, e, n = l:match('^([^%s]+)%s+([^%s]+)%s+([^%s]+)%s+"([^%s]+)"')
+ if n == "linux" then
+ size = tonumber(s, 16)
+ break
+ end
+ end
+ elseif nixio.fs.access("/proc/partitions") then
+ for l in io.lines("/proc/partitions") do
+ local x, y, b, n = l:match('^%s*(%d+)%s+(%d+)%s+([^%s]+)%s+([^%s]+)')
+ if b and n and not n:match('[0-9]') then
+ size = tonumber(b) * 1024
+ break
+ end
+ end
+ end
+ return size
+ end
+
+
+ -- Install upload handler
+ local file
+ http.setfilehandler(
+ function(meta, chunk, eof)
+ if not nixio.fs.access(tmpfile) and not file and chunk and #chunk > 0 then
+ file = io.open(tmpfile, "w")
+ end
+ if file and chunk then
+ file:write(chunk)
+ end
+ if file and eof then
+ file:close()
+ end
+ end
+ )
+
+
+ -- Determine state
+ local keep_avail = true
+ local step = tonumber(http.formvalue("step") or 1)
+ local has_image = nixio.fs.access(tmpfile)
+ local has_support = image_supported()
+ local has_platform = nixio.fs.access("/lib/upgrade/platform.sh")
+ local has_upload = http.formvalue("image")
+
+ -- This does the actual flashing which is invoked inside an iframe
+ -- so don't produce meaningful errors here because the the
+ -- previous pages should arrange the stuff as required.
+ if step == 4 then
+ if has_platform and has_image and has_support then
+ -- Mimetype text/plain
+ http.prepare_content("text/plain")
+
+ local call = {}
+ for k, v in pairs(uci:get_all("luci", "flash_keep")) do
+ if k:byte() ~= 46 then -- k[1] ~= "."
+ nixio.util.consume(nixio.fs.glob(v), call)
+ end
+ end
+
+ -- Now invoke sysupgrade
+ local keepcfg = keep_avail and http.formvalue("keepcfg") == "1"
+ local fd = io.popen("/sbin/luci-flash %s %q" %{
+ keepcfg and "-k %q" % table.concat(call, " ") or "", tmpfile
+ })
+
+ if fd then
+ while true do
+ local ln = fd:read("*l")
+ if not ln then break end
+ http.write(ln .. "\n")
+ end
+ fd:close()
+ end
+
+ -- Make sure the device is rebooted
+ if nixio.fork() == 0 then
+ nixio.nanosleep(1)
+ nixio.execp("reboot")
+ os.exit(1)
+ end
+ end
+
+
+ --
+ -- This is step 1-3, which does the user interaction and
+ -- image upload.
+ --
+
+ -- Step 1: file upload, error on unsupported image format
+ elseif not has_image or not has_support or step == 1 then
+ -- If there is an image but user has requested step 1
+ -- or type is not supported, then remove it.
+ if has_image then
+ nixio.fs.unlink(tmpfile)
+ end
+
+ tpl.render("niu/system/upgrade", {
+ step=1,
+ bad_image=(has_image and not has_support or false),
+ keepavail=keep_avail,
+ supported=has_platform
+ } )
+
+ -- Step 2: present uploaded file, show checksum, confirmation
+ elseif step == 2 then
+ tpl.render("niu/system/upgrade", {
+ step=2,
+ checksum=image_checksum(),
+ filesize=nixio.fs.stat(tmpfile).size,
+ flashsize=storage_size(),
+ keepconfig=(keep_avail and http.formvalue("keepcfg") == "1")
+ } )
+
+ -- Step 3: load iframe which calls the actual flash procedure
+ elseif step == 3 then
+ tpl.render("niu/system/upgrade", {
+ step=3,
+ keepconfig=(keep_avail and http.formvalue("keepcfg") == "1")
+ } )
+ end
+end
\ No newline at end of file