b1aa5390a7
- CGI script and index.html are moved from gluon-web to gluon-config-mode-core, the script is renamed to 'config' - gluon-web and gluon-web-model base views and i18n files are symlinked into the new path - gluon-web-theme is renamed to gluon-config-mode-theme and installs directly into the new path - all gluon-web-* models, controllers and views are moved into the new path
140 lines
3.6 KiB
Lua
140 lines
3.6 KiB
Lua
--[[
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Copyright 2008 Steven Barth <steven@midlink.org>
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Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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]]--
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package 'gluon-web-admin'
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local util = require 'gluon.util'
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local fs = require 'nixio.fs'
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local tmpfile = "/tmp/firmware.img"
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local function filehandler(meta, chunk, eof)
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if not fs.access(tmpfile) and not file and chunk and #chunk > 0 then
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file = io.open(tmpfile, "w")
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end
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if file and chunk then
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file:write(chunk)
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end
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if file and eof then
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file:close()
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end
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end
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local function action_upgrade(http, renderer)
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local nixio = require 'nixio'
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local function fork_exec(...)
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local pid = nixio.fork()
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if pid > 0 then
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return
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elseif pid == 0 then
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-- change to root dir
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nixio.chdir("/")
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-- patch stdin, out, err to /dev/null
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local null = nixio.open("/dev/null", "w+")
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if null then
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nixio.dup(null, nixio.stderr)
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nixio.dup(null, nixio.stdout)
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nixio.dup(null, nixio.stdin)
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if null:fileno() > 2 then
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null:close()
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end
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end
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-- Sleep a little so the browser can fetch everything required to
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-- display the reboot page, then reboot the device.
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nixio.nanosleep(1)
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-- replace with target command
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nixio.exec(...)
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end
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end
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local function image_supported(tmpfile)
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return (os.execute(string.format("exec /sbin/sysupgrade -T %q >/dev/null", tmpfile)) == 0)
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end
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local function storage_size()
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local size = 0
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if fs.access("/proc/mtd") then
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for l in io.lines("/proc/mtd") do
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local d, s, e, n = l:match('^([^%s]+)%s+([^%s]+)%s+([^%s]+)%s+"([^%s]+)"')
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if n == "linux" then
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size = tonumber(s, 16)
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break
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end
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end
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elseif fs.access("/proc/partitions") then
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for l in io.lines("/proc/partitions") do
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local x, y, b, n = l:match('^%s*(%d+)%s+(%d+)%s+([^%s]+)%s+([^%s]+)')
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if b and n and not n:match('[0-9]') then
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size = tonumber(b) * 1024
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break
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end
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end
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end
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return size
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end
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local function image_checksum(tmpfile)
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return (util.exec(string.format("exec md5sum %q", tmpfile)):match("^([^%s]+)"))
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end
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-- Determine state
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local step = tonumber(http:getenv("REQUEST_METHOD") == "POST" and http:formvalue("step")) or 1
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local has_image = fs.access(tmpfile)
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local has_support = has_image and image_supported(tmpfile)
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-- Step 1: file upload, error on unsupported image format
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if step == 1 or not has_support then
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-- If there is an image but user has requested step 1
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-- or type is not supported, then remove it.
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if has_image then
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fs.unlink(tmpfile)
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end
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renderer.render_layout('admin/upgrade', {
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bad_image = has_image and not has_support,
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}, 'gluon-web-admin')
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-- Step 2: present uploaded file, show checksum, confirmation
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elseif step == 2 then
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renderer.render_layout('admin/upgrade_confirm', {
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checksum = image_checksum(tmpfile),
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filesize = fs.stat(tmpfile).size,
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flashsize = storage_size(),
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keepconfig = (http:formvalue("keepcfg") == "1"),
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}, 'gluon-web-admin')
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elseif step == 3 then
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if http:formvalue("keepcfg") == "1" then
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fork_exec("/sbin/sysupgrade", tmpfile)
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else
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fork_exec("/sbin/sysupgrade", "-n", tmpfile)
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end
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renderer.render_layout('admin/upgrade_reboot', nil, 'gluon-web-admin', {
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hidenav = true,
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})
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end
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end
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local has_platform = fs.access("/lib/upgrade/platform.sh")
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if has_platform then
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local upgrade = entry({"admin", "upgrade"}, call(action_upgrade), _("Upgrade firmware"), 90)
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upgrade.filehandler = filehandler
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end
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