+++ /dev/null
---[[
-LuCI - Lua Configuration Interface
-
-Copyright 2008 Steven Barth <steven@midlink.org>
-Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
-$Id$
-]]--
-
-module("luci.controller.mini.system", package.seeall)
-
-function index()
- entry({"mini", "system"}, alias("mini", "system", "index"), _("System"), 40).index = true
- entry({"mini", "system", "index"}, cbi("mini/system", {autoapply=true}), _("General"), 1)
- entry({"mini", "system", "passwd"}, form("mini/passwd"), _("Admin Password"), 10)
- entry({"mini", "system", "backup"}, call("action_backup"), _("Backup / Restore"), 80)
- entry({"mini", "system", "upgrade"}, call("action_upgrade"), _("Flash Firmware"), 90)
- entry({"mini", "system", "reboot"}, call("action_reboot"), _("Reboot"), 100)
-end
-
-function action_backup()
- local reset_avail = os.execute([[grep '"rootfs_data"' /proc/mtd >/dev/null 2>&1]]) == 0
- local restore_cmd = "gunzip | tar -xC/ >/dev/null 2>&1"
- local backup_cmd = "tar -c %s | gzip 2>/dev/null"
-
- local restore_fpi
- luci.http.setfilehandler(
- function(meta, chunk, eof)
- if not restore_fpi then
- restore_fpi = io.popen(restore_cmd, "w")
- end
- if chunk then
- restore_fpi:write(chunk)
- end
- if eof then
- restore_fpi:close()
- end
- end
- )
-
- local upload = luci.http.formvalue("archive")
- local backup = luci.http.formvalue("backup")
- local reset = reset_avail and luci.http.formvalue("reset")
-
- if upload and #upload > 0 then
- luci.template.render("mini/applyreboot")
- luci.sys.reboot()
- elseif backup then
- local reader = ltn12_popen(backup_cmd:format(_keep_pattern()))
- luci.http.header('Content-Disposition', 'attachment; filename="backup-%s-%s.tar.gz"' % {
- luci.sys.hostname(), os.date("%Y-%m-%d")})
- luci.http.prepare_content("application/x-targz")
- luci.ltn12.pump.all(reader, luci.http.write)
- elseif reset then
- luci.template.render("mini/applyreboot")
- luci.util.exec("mtd -r erase rootfs_data")
- else
- luci.template.render("mini/backup", {reset_avail = reset_avail})
- end
-end
-
-function action_reboot()
- local reboot = luci.http.formvalue("reboot")
- luci.template.render("mini/reboot", {reboot=reboot})
- if reboot then
- luci.sys.reboot()
- end
-end
-
-function action_upgrade()
- require("luci.model.uci")
-
- local tmpfile = "/tmp/firmware.img"
-
- local function image_supported()
- -- XXX: yay...
- return ( 0 == os.execute(
- ". /lib/functions.sh; " ..
- "include /lib/upgrade; " ..
- "platform_check_image %q >/dev/null"
- % tmpfile
- ) )
- end
-
- local function image_checksum()
- return (luci.sys.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
- luci.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(luci.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 = luci.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
- luci.http.prepare_content("text/plain")
- luci.http.write("Starting luci-flash...\n")
-
- -- Now invoke sysupgrade
- local keepcfg = keep_avail and luci.http.formvalue("keepcfg") == "1"
- local flash = ltn12_popen("/sbin/luci-flash %s %q" %{
- keepcfg and "-k %q" % _keep_pattern() or "", tmpfile
- })
-
- luci.ltn12.pump.all(flash, luci.http.write)
-
- -- Make sure the device is rebooted
- luci.sys.reboot()
- 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
-
- luci.template.render("mini/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
- luci.template.render("mini/upgrade", {
- step=2,
- checksum=image_checksum(),
- filesize=nixio.fs.stat(tmpfile).size,
- flashsize=storage_size(),
- keepconfig=(keep_avail and luci.http.formvalue("keepcfg") == "1")
- } )
-
- -- Step 3: load iframe which calls the actual flash procedure
- elseif step == 3 then
- luci.template.render("mini/upgrade", {
- step=3,
- keepconfig=(keep_avail and luci.http.formvalue("keepcfg") == "1")
- } )
- end
-end
-
-function _keep_pattern()
- local kpattern = ""
- local files = luci.model.uci.cursor():get_all("luci", "flash_keep")
- if files then
- kpattern = ""
- for k, v in pairs(files) do
- if k:sub(1,1) ~= "." and nixio.fs.glob(v)() then
- kpattern = kpattern .. " " .. v
- end
- end
- end
- return kpattern
-end
-
-function ltn12_popen(command)
-
- local fdi, fdo = nixio.pipe()
- local pid = nixio.fork()
-
- if pid > 0 then
- fdo:close()
- local close
- return function()
- local buffer = fdi:read(2048)
- local wpid, stat = nixio.waitpid(pid, "nohang")
- if not close and wpid and stat == "exited" then
- close = true
- end
-
- if buffer and #buffer > 0 then
- return buffer
- elseif close then
- fdi:close()
- return nil
- end
- end
- elseif pid == 0 then
- nixio.dup(fdo, nixio.stdout)
- fdi:close()
- fdo:close()
- nixio.exec("/bin/sh", "-c", command)
- end
-end
projects / project / luci.git / blobdiff