basic admin mode

package/gluon-luci-admin/Makefile

+# Copyright (C) 2013 Nils Schneider <nils at nilsschneider.net>
+# This is free software, licensed under the Apache 2.0 license.
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=gluon-luci-admin
+PKG_VERSION:=0.1
+PKG_RELEASE:=1
+
+PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/gluon-luci-admin
+  SECTION:=gluon
+  CATEGORY:=Gluon
+  TITLE:=Luci based simple administration interface for mesh nodes
+  DEPENDS:=+gluon-core +luci-mod-admin-core +luci-theme-openwrt
+endef
+
+define Package/gluon-luci-admin/description
+	Luci based config mode
+endef
+
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)
+endef
+
+define Build/Configure
+endef
+
+define Build/Compile
+endef
+
+define Package/gluon-luci-admin/install
+	$(CP) ./files/* $(1)/
+endef
+
+$(eval $(call BuildPackage,gluon-luci-admin))

package/gluon-luci-admin/files/usr/lib/lua/luci/controller/admin/index.lua

+--[[
+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.admin.index", package.seeall)
+
+function index()
+  local uci_state = luci.model.uci.cursor_state()
+  local configmode = uci_state:get_first("configmode", "wizard", "running", "0") == "1"
+
+	local root = node()
+	if not root.lock then
+		root.target = alias("admin")
+		root.index = true
+	end
+	
+	local page   = entry({"admin"}, alias("admin", "index"), _("Expertmode"), 10)
+	page.sysauth = "root"
+  if configmode then
+    -- force root to be logged in when running in configmode
+    page.sysauth_authenticator = function() return "root" end
+  else
+	  page.sysauth_authenticator = "htmlauth"
+  end
+	page.index = true
+	
+	entry({"admin", "index"}, form("admin/index"), _("Overview"), 1).ignoreindex = true
+	entry({"admin", "logout"}, call("action_logout"), _("Logout"))
+end
+
+function action_logout()
+	local dsp = require "luci.dispatcher"
+	local sauth = require "luci.sauth"
+	if dsp.context.authsession then
+		sauth.kill(dsp.context.authsession)
+		dsp.context.urltoken.stok = nil
+	end
+
+	luci.http.header("Set-Cookie", "sysauth=; path=" .. dsp.build_url())
+	luci.http.redirect(luci.dispatcher.build_url())
+end

package/gluon-luci-admin/files/usr/lib/lua/luci/controller/admin/system.lua

+--[[
+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.admin.system", package.seeall)
+
+function index()
+	entry({"admin", "passwd"}, form("admin/passwd"), _("Admin Password"), 10)
+	entry({"admin", "backup"}, call("action_backup"), _("Backup / Restore"), 80)
+	entry({"admin", "upgrade"}, call("action_upgrade"), _("Flash Firmware"), 90)
+	entry({"admin", "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("admin/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("admin/applyreboot")
+		luci.util.exec("mtd -r erase rootfs_data")
+	else
+		luci.template.render("admin/backup", {reset_avail = reset_avail})
+	end
+end
+
+function action_reboot()
+	local reboot = luci.http.formvalue("reboot")
+	luci.template.render("admin/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("admin/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("admin/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("admin/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

package/gluon-luci-admin/files/usr/lib/lua/luci/model/cbi/admin/index.lua

+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2008 Steven Barth <steven@midlink.org>
+
+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
+
+$Id$
+]]--
+return Template("admin/index")

package/gluon-luci-admin/files/usr/lib/lua/luci/model/cbi/admin/passwd.lua

+--[[
+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
+
+$Id$
+]]--
+f = SimpleForm("password", translate("Admin Password"), translate("Change the password of the system administrator (User <code>root</code>)"))
+
+pw1 = f:field(Value, "pw1", translate("Password"))
+pw1.password = true
+pw1.rmempty = false
+
+pw2 = f:field(Value, "pw2", translate("Confirmation"))
+pw2.password = true
+pw2.rmempty = false
+
+function pw2.validate(self, value, section)
+	return pw1:formvalue(section) == value and value
+end
+
+function f.handle(self, state, data)
+	if state == FORM_VALID then
+		local stat = luci.sys.user.setpasswd("root", data.pw1) == 0
+		
+		if stat then
+			f.message = translate("Password successfully changed")
+		else
+			f.errmessage = translate("Unknown Error")
+		end
+		
+		data.pw1 = nil
+		data.pw2 = nil
+	end
+	return true
+end
+
+return f

package/gluon-luci-admin/files/usr/lib/lua/luci/view/admin/applyreboot.htm

+<%#
+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
+
+$Id$
+
+-%>
+<%+header%>
+<h2><a id="content" name="content"><%:System%></a></h2>
+<br />
+<p><% if msg then %><%=msg%><% else %><%:Changes applied.%><% end %></p>
+<p><%:Please wait: Device rebooting...%></p>
+<script type="text/javascript">setTimeout("location='<%=controller%>'", 60000)</script>
+<%+footer%>
\ No newline at end of file

package/gluon-luci-admin/files/usr/lib/lua/luci/view/admin/backup.htm

+<%#
+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
+
+$Id$
+
+-%>
+<%+header%>
+<h2><a id="content" name="content"><%:System%></a></h2>
+<h3><%:Backup / Restore%></h3>
+<p><%:Here you can backup and restore your configuration and - if possible - reset this device to the default settings.%></p>
+<br />
+<div>
+	<ul>
+	<li><a href="<%=REQUEST_URI%>?backup=kthxbye"><%:Create backup%></a></li>
+	<% if reset_avail then -%>
+	<li><a href="<%=REQUEST_URI%>?reset=yarly" onclick="return confirm('<%:Proceed reverting all settings and resetting to firmware defaults?%>')"><%:Reset this device to defaults%></a></li>
+	<% end -%>
+	</ul>
+</div>
+
+<br />
+
+<form method="post" action="<%=REQUEST_URI%>" enctype="multipart/form-data">
+	<div class="left"><%:Backup Archive%>:</div>
+	<div>
+		<input type="file" size="30" name="archive" />
+	</div>
+	<div>
+		<input type="submit" class="cbi-button cbi-input-apply" value="<%:Restore backup%>" />
+	</div>
+</form>
+<%+footer%>

package/gluon-luci-admin/files/usr/lib/lua/luci/view/admin/index.htm

+<%#
+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
+
+$Id$
+
+-%>
+<h2><a id="content" name="content"><%:Hello!%></a></h2>
+<p><%_This is the administration area of <abbr title="Lua Configuration Interface">LuCI</abbr>.%></p>
+<p><%_<abbr title="Lua Configuration Interface">LuCI</abbr> is a free, flexible, and user friendly graphical interface for configuring OpenWrt.%><br />
+<%:On the following pages you can adjust all important settings of this device.%></p>
+<p><%:As we always want to improve this interface we are looking forward to your feedback and suggestions.%></p>
+<p><%:And now have fun with your OpenWrt device!%></p>
+<p><em><strong><a href="<%=controller%>/about"><%_The <abbr title="Lua Configuration Interface">LuCI</abbr> Team%></a></strong></em></p>

package/gluon-luci-admin/files/usr/lib/lua/luci/view/admin/reboot.htm

+<%#
+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
+
+$Id$
+
+-%>
+<%+header%>
+<h2><a id="content" name="content"><%:System%></a></h2>
+<h3><%:Reboot%></h3>
+<p><%:Reboots the operating system of your device%></p>
+<%-
+local c = require("luci.model.uci").cursor():changes()
+if c and next(c) then
+-%>
+	<p class="warning"><%:Warning: There are unsaved changes that will be lost while rebooting!%></p> 
+<%-
+end
+if not reboot then 
+-%>
+<p><a href="<%=REQUEST_URI%>?reboot=1"><%:Perform reboot%></a></p>
+<%- else -%>
+<p><%:Please wait: Device rebooting...%></p>
+<script type="text/javascript">setTimeout("location='<%=controller%>'", 60000)</script>
+<%- end -%>
+<%+footer%>
\ No newline at end of file

package/gluon-luci-admin/files/usr/lib/lua/luci/view/admin/upgrade.htm

+<%#
+LuCI - Lua Configuration Interface
+Copyright 2008 Steven Barth <steven@midlink.org>
+Copyright 2008-2009 Jo-Philipp Wich <xm@subsignal.org>
+
+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
+
+$Id$
+
+-%>
+
+<%+header%>
+
+<h2><a id="content" name="content"><%:System%></a></h2>
+<h3><%:Flash Firmware%></h3>
+
+<% if step == 1 then %>
+	<% if supported then %>
+	<form method="post" action="<%=REQUEST_URI%>" enctype="multipart/form-data">
+	<p>
+		<%:Upload an OpenWrt image file to reflash the device.%>
+		<% if bad_image then %>
+			<br /><br />
+			<div class="error"><%:The uploaded image file does not
+				contain a supported format. Make sure that you choose the generic
+				image format for your platform. %></div>
+		<% end %>
+	</p>
+	<div>
+		<%:Firmware image%>:<br />
+		<input type="hidden" name="step" value="2" />
+		<input type="file" size="30" name="image" />
+		<br />
+		<br />
+		<% if keepavail then -%>
+		<input type="checkbox" name="keepcfg" value="1" checked="checked" />
+		<span class="bold"><%:Keep configuration files%></span>
+		<% end -%>
+
+		<br />
+		<input class="cbi-button cbi-button-apply" type="submit" value="<%:Upload image%>" />
+	</div>
+	</form>
+	<% else %>
+		<div class="error"><%_ Sorry.
+			OpenWrt does not support a system upgrade on this platform.<br />
+			You need to manually flash your device. %></div>
+	<% end %>
+<% elseif step == 2 then %>
+	<p>
+		<%_ The flash image was uploaded.
+			Below is the checksum and file size listed,
+			compare them with the original file to ensure data integrity.<br />
+			Click "Proceed" below to start the flash procedure. %>
+
+		<% if flashsize > 0 and filesize > flashsize then %>
+			<br /><br />
+			<div class="error"><%:It appears that you try to
+				flash an image that does not fit into the flash memory, please verify
+				the image file! %></div>
+		<% end %>
+
+		<br />
+		<ul>
+			<li><%:Checksum%>: <code><%=checksum%></code></li>
+			<li><%:Size%>: <%
+				local w = require "luci.tools.webadmin"
+				write(w.byte_format(filesize))
+	
+				if flashsize > 0 then
+					write(luci.i18n.translatef(
+						" (%s available)",
+						w.byte_format(flashsize)
+					))
+				end
+			%></li>
+		</ul>
+	</p>
+	<div class="cbi-page-actions right">
+		<form style="display:inline">
+			<input type="hidden" name="step" value="3" />
+			<input type="hidden" name="keepcfg" value="<%=keepconfig and "1" or "0"%>" />
+			<input class="cbi-button cbi-button-apply" type="submit" value="<%:Proceed%>" />	
+		</form>
+		<form style="display:inline">
+			<input type="hidden" name="step" value="1" />
+			<input type="hidden" name="keepcfg" value="<%=keepconfig and "1" or "0"%>" />
+			<input class="cbi-button cbi-button-reset" type="submit" value="<%:Cancel%>" />
+		</form>
+	</div>
+<% elseif step == 3 then %>
+	<p><%_ The system is flashing now.<br />
+		DO NOT POWER OFF THE DEVICE!<br />
+		Wait a few minutes until you try to reconnect.
+		It might be necessary to renew the address of your computer to reach the device
+		again, depending on your settings. %></p>
+		
+	<iframe src="<%=REQUEST_URI%>?step=4&#38;keepcfg=<%=keepconfig and "1" or "0"%>" style="border:1px solid black; width:100%; height:150px"></iframe>
+<% end %>
+<%+footer%>
+