+++ /dev/null
---[[
-LuCI - Lua Configuration Interface
-
-Copyright 2008 Steven Barth <steven@midlink.org>
-Copyright 2008-2011 Jo-Philipp Wich <xm@subsignal.org>
-Copyright 2012 Daniel Golle <dgolle@allnet.de>
-
-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.failsafe.failsafe", package.seeall)
-
-function index()
- local root = node()
- if not root.target then
- root.target = alias("failsafe")
- root.index = true
- end
-
- page = node()
- page.lock = true
- page.target = alias("failsafe")
- page.subindex = true
- page.index = false
-
- page = node("failsafe")
- page.title = _("Fail-safe")
- page.target = alias("failsafe", "flashops")
- page.order = 5
- page.setuser = "root"
- page.setgroup = "root"
- page.index = true
-
- entry({"failsafe", "flashops"}, call("action_flashops"), _("Flash Firmware"), 70).index = true
- entry({"failsafe", "reboot"}, call("action_reboot"), _("Reboot"), 90)
-end
-
-function action_flashops()
- local sys = require "luci.sys"
- local fs = require "luci.fs"
-
- local upgrade_avail = nixio.fs.access("/lib/upgrade/platform.sh")
- local reset_avail = os.execute([[grep '"rootfs_data"' /proc/mtd >/dev/null 2>&1]]) == 0
-
- local image_tmp = "/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"
- % image_tmp
- ) )
- end
-
- local function image_checksum()
- return (luci.sys.exec("md5sum %q" % image_tmp):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" or n == "firmware" 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
-
-
- local fp
- luci.http.setfilehandler(
- function(meta, chunk, eof)
- if not fp then
- if meta and meta.name == "image" then
- fp = io.open(image_tmp, "w")
- end
- end
- if chunk then
- fp:write(chunk)
- end
- if eof then
- fp:close()
- end
- end
- )
-
- if luci.http.formvalue("image") or luci.http.formvalue("step") then
- --
- -- Initiate firmware flash
- --
- local step = tonumber(luci.http.formvalue("step") or 1)
- if step == 1 then
- if image_supported() then
- luci.template.render("failsafe/upgrade", {
- checksum = image_checksum(),
- storage = storage_size(),
- size = nixio.fs.stat(image_tmp).size,
- keep = false
- })
- else
- nixio.fs.unlink(image_tmp)
- luci.template.render("failsafe/flashops", {
- reset_avail = reset_avail,
- upgrade_avail = upgrade_avail,
- image_invalid = true
- })
- end
- --
- -- Start sysupgrade flash
- --
- elseif step == 2 then
- local keep = (luci.http.formvalue("keep") == "1") and "" or "-n"
- luci.template.render("failsafe/applyreboot", {
- title = luci.i18n.translate("Flashing..."),
- 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."),
- addr = (#keep > 0) and "192.168.1.1" or nil
- })
- fork_exec("killall dropbear uhttpd; sleep 1; /sbin/sysupgrade %s %q" %{ keep, image_tmp })
- end
- else
- --
- -- Overview
- --
- luci.template.render("failsafe/flashops", {
- reset_avail = reset_avail,
- upgrade_avail = upgrade_avail
- })
- end
-end
-
-function action_reboot()
- local reboot = luci.http.formvalue("reboot")
- luci.template.render("failsafe/reboot", {reboot=reboot})
- if reboot then
- luci.sys.reboot()
- end
-end
-
-function fork_exec(command)
- local pid = nixio.fork()
- if pid > 0 then
- return
- elseif pid == 0 then
- -- change to root dir
- nixio.chdir("/")
-
- -- patch stdin, out, err to /dev/null
- local null = nixio.open("/dev/null", "w+")
- if null then
- nixio.dup(null, nixio.stderr)
- nixio.dup(null, nixio.stdout)
- nixio.dup(null, nixio.stdin)
- if null:fileno() > 2 then
- null:close()
- end
- end
-
- -- replace with target command
- nixio.exec("/bin/sh", "-c", command)
- end
-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