applications: add luci-ahcp, support for the AHCP server package

applications/luci-ahcp/Makefile

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+PO = ahcp
+
+include ../../build/config.mk
+include ../../build/module.mk

applications/luci-ahcp/luasrc/controller/ahcp.lua

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+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2011 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: init.lua 6731 2011-01-14 19:44:03Z soma $
+]]--
+
+module("luci.controller.ahcp", package.seeall)
+
+function index()
+	if not nixio.fs.access("/etc/config/ahcpd") then
+		return
+	end
+
+	require("luci.i18n")
+	luci.i18n.loadc("ahcp")
+
+	entry({"admin", "network", "ahcpd"}, cbi("ahcp"), luci.i18n.translate("AHCP Server"), 90).i18n = "ahcp"
+	entry({"admin", "network", "ahcpd", "status"}, call("ahcp_status"))
+end
+
+function ahcp_status()
+	local nfs = require "nixio.fs"
+	local uci = require "luci.model.uci".cursor()
+	local lsd = uci:get_first("ahcpd", "ahcpd", "lease_dir") or "/var/lib/leases"
+	local idf = uci:get_first("ahcpd", "ahcpd", "id_file")   or "/var/lib/ahcpd-unique-id"
+
+	local rv = {
+		uid    = "00:00:00:00:00:00:00:00",
+		leases = { }
+	}
+
+	idf = nfs.readfile(idf)
+	if idf and #idf == 8 then
+		rv.uid = "%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X" %{ idf:byte(1, 8) }
+	end
+
+	local itr = nfs.dir(lsd)
+	if itr then
+		local addr
+		for addr in itr do
+			if addr:match("^%d+%.%d+%.%d+%.%d+$") then
+				local s = nfs.stat(lsd .. "/" .. addr)
+				rv.leases[#rv.leases+1] = {
+					addr = addr,
+					age  = s and (os.time() - s.mtime) or 0
+				}
+			end
+		end
+	end
+
+	table.sort(rv.leases, function(a, b) return a.age < b.age end)
+
+	luci.http.prepare_content("application/json")
+	luci.http.write_json(rv)
+end

applications/luci-ahcp/luasrc/model/cbi/ahcp.lua

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+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2011 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: init.lua 5764 2010-03-08 19:05:34Z jow $
+]]--
+
+m = Map("ahcpd", translate("AHCP Server"), translate("AHCP is an autoconfiguration protocol " ..
+	"for IPv6 and dual-stack IPv6/IPv4 networks designed to be used in place of router " ..
+	"discovery and DHCP on networks where it is difficult or impossible to configure a " ..
+	"server within every link-layer broadcast domain, for example mobile ad-hoc networks."))
+
+
+m:section(SimpleSection).template = "ahcp_status"
+
+s = m:section(TypedSection, "ahcpd")
+s:tab("general", translate("General Setup"))
+s:tab("advanced", translate("Advanced Settings"))
+s.addremove = false
+s.anonymous = true
+
+
+mode = s:taboption("general", ListValue, "mode", translate("Operation mode"))
+mode:value("server", translate("Server"))
+mode:value("forwarder", translate("Forwarder"))
+
+net = s:taboption("general", Value, "interface", translate("Served interfaces"))
+net.template = "cbi/network_netlist"
+net.widget   = "checkbox"
+net.nocreate = true
+
+function net.cfgvalue(self, section)
+	return m.uci:get("ahcpd", section, "interface")
+end
+
+pfx = s:taboption("general", DynamicList, "prefix", translate("Announced prefixes"),
+	translate("Specifies the announced IPv4 and IPv6 network prefixes in CIDR notation"))
+pfx.optional  = true
+pfx.datatype  = "ipaddr"
+pfx:depends("mode", "server")
+
+nss = s:taboption("general", DynamicList, "name_server", translate("Announced DNS servers"),
+	translate("Specifies the announced IPv4 and IPv6 name servers"))
+nss.optional = true
+nss.datatype = "ipaddr"
+nss:depends("mode", "server")
+
+ntp = s:taboption("general", DynamicList, "ntp_server", translate("Announced NTP servers"),
+	translate("Specifies the announced IPv4 and IPv6 NTP servers"))
+ntp.optional = true
+ntp.datatype = "ipaddr"
+ntp:depends("mode", "server")
+
+mca = s:taboption("general", Value, "multicast_address", translate("Multicast address"))
+mca.optional    = true
+mca.placeholder = "ff02::cca6:c0f9:e182:5359"
+mca.datatype    = "ip6addr"
+
+port = s:taboption("general", Value, "port", translate("Port"))
+port.optional    = true
+port.placeholder = 5359
+port.datatype    = "port"
+
+fam = s:taboption("general", ListValue, "_family", translate("Protocol family"))
+fam:value("", translate("IPv4 and IPv6"))
+fam:value("ipv4", translate("IPv4 only"))
+fam:value("ipv6", translate("IPv6 only"))
+
+function fam.cfgvalue(self, section)
+	local v4 = m.uci:get_bool("ahcpd", section, "ipv4_only")
+	local v6 = m.uci:get_bool("ahcpd", section, "ipv6_only")
+	if v4 then
+		return "ipv4"
+	elseif v6 then
+		return "ipv6"
+	end
+	return ""
+end
+
+function fam.write(self, section, value)
+	if value == "ipv4" then
+		m.uci:set("ahcpd", section, "ipv4_only", "true")
+		m.uci:delete("ahcpd", section, "ipv6_only")
+	elseif value == "ipv6" then
+		m.uci:set("ahcpd", section, "ipv6_only", "true")
+		m.uci:delete("ahcpd", section, "ipv4_only")
+	end
+end
+
+function fam.remove(self, section)
+	m.uci:delete("ahcpd", section, "ipv4_only")
+	m.uci:delete("ahcpd", section, "ipv6_only")
+end
+
+ltime = s:taboption("general", Value, "lease_time", translate("Lease validity time"))
+ltime.optional    = true
+ltime.placeholder = 3666
+ltime.datatype    = "uinteger"
+
+
+ld = s:taboption("advanced", Value, "lease_dir", translate("Lease directory"))
+ld.datatype    = "directory"
+ld.placeholder = "/var/lib/leases"
+
+id = s:taboption("advanced", Value, "id_file", translate("Unique ID file"))
+--id.datatype    = "file"
+id.placeholder = "/var/lib/ahcpd-unique-id"
+
+log = s:taboption("advanced", Value, "log_file", translate("Log file"))
+--log.datatype    = "file"
+log.placeholder = "/var/log/ahcpd.log"
+
+
+return m

applications/luci-ahcp/luasrc/view/admin_status/index/ahcp.htm

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+<%+ahcp_status%>

applications/luci-ahcp/luasrc/view/ahcp_status.htm

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+<script type="text/javascript">//<![CDATA[
+	var stxhr = new XHR();
+	var update_status = function() {
+		stxhr.get('<%=luci.dispatcher.build_url("admin", "network", "ahcpd", "status")%>', null,
+			function(x, st)
+			{
+				var tb = document.getElementById('ahcpd_status_table');
+				var tx = document.getElementById('ahcpd_status_text');
+				if (st && tb && tx)
+				{
+					/* clear all rows */
+					while( tb.rows.length > 1 )
+						tb.deleteRow(1);
+
+					for( var i = 0; i < st.leases.length; i++ )
+					{
+						var tr = tb.insertRow(-1);
+							tr.className = 'cbi-section-table-row cbi-rowstyle-' + ((i % 2) + 1);
+
+						tr.insertCell(-1).innerHTML = st.leases[i].addr;
+						tr.insertCell(-1).innerHTML = String.format('%t', st.leases[i].age);
+					}
+
+					if( tb.rows.length == 1 )
+					{
+						var tr = tb.insertRow(-1);
+							tr.className = 'cbi-section-table-row';
+
+						var td = tr.insertCell(-1);
+							td.colSpan = 2;
+							td.innerHTML = '<em><br /><%:There are no active leases.%></em>';
+					}
+
+					if( st.uid == '00:00:00:00:00:00:00:00' )
+						tx.innerHTML = 'The AHCP Service is not running.';
+					else
+						tx.innerHTML = String.format('The AHCP Service is running with ID %s.', st.uid);
+				}
+
+				window.setTimeout(update_status, 5000);
+			}
+		)
+	};
+
+	update_status();
+//]]></script>
+
+<fieldset class="cbi-section">
+	<legend><%:Active AHCP Leases%></legend>
+	<p id="ahcpd_status_text"></p>
+	<table class="cbi-section-table" id="ahcpd_status_table">
+		<tr class="cbi-section-table-titles">
+			<th class="cbi-section-table-cell"><%:Address%></th>
+			<th class="cbi-section-table-cell"><%:Age%></th>
+		</tr>
+		<tr class="cbi-section-table-row">
+			<td colspan="5"><em><br /><%:Collecting data...%></em></td>
+		</tr>
+	</table>
+</fieldset>

applications/luci-ahcp/root/etc/uci-defaults/luci-ahcp

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+#!/bin/sh
+
+uci -q batch <<-EOF >/dev/null
+	delete ucitrack.@ahcpd[-1]
+	add ucitrack ahcpd
+	set ucitrack.@ahcpd[-1].init=ahcpd
+	commit ucitrack
+EOF
+
+rm -f /tmp/luci-indexcache
+exit 0