Unbound: Basic LuCI to go with recent Unbound UCI (Oct2016)

Signed-off-by: Eric Luehrsen <ericluehrsen@hotmail.com>

applications/luci-app-unbound/Makefile

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+#
+# Copyright (C) 2008-2014 The LuCI Team <luci@lists.subsignal.org>
+#
+# This is free software, licensed under the Apache License, Version 2.0 .
+#
+
+include $(TOPDIR)/rules.mk
+
+LUCI_TITLE:=Unbound Recursive DNS Resolver Configuration
+LUCI_DEPENDS:=+unbound
+
+include ../../luci.mk
+
+# call BuildPackage - OpenWrt buildroot signature

applications/luci-app-unbound/luasrc/controller/unbound.lua

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+-- Copyright 2008 Steven Barth <steven@midlink.org>
+-- Copyright 2008 Jo-Philipp Wich <jow@openwrt.org>
+-- Licensed to the public under the Apache License 2.0.
+
+module("luci.controller.unbound", package.seeall)
+
+function index()
+	if not nixio.fs.access("/etc/config/unbound") then
+		return
+	end
+
+	local page
+
+	page = entry({"admin", "services", "unbound"}, cbi("unbound"), _("Recursive DNS"))
+	page.dependent = true
+end
+

applications/luci-app-unbound/luasrc/model/cbi/unbound.lua

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+-- Copyright 2008 Steven Barth <steven@midlink.org>
+-- Copyright 2016 Eric Luehrsen <ericluehrsen@hotmail.com>
+-- Licensed to the public under the Apache License 2.0.
+
+m = Map("unbound", translate("Recursive DNS"),
+	translate("Unbound is a validating, recursive, and caching DNS resolver."))
+	
+s = m:section(TypedSection, "unbound", translate("Unbound Settings"))
+s.addremove = false
+s.anonymous = true
+
+s:tab("service", translate("Unbound Service"))
+s:tab("resource", translate("Unbound Resources"))
+s:tab("dnsmasq", translate("Dnsmasq Link"))
+
+--Enable Unbound
+
+e = s:taboption("service", Flag, "enabled", translate("Enable Unbound:"),
+  translate("Enable the initialization scripts for Unbound"))
+e.rmempty = false
+
+function e.cfgvalue(self, section)
+	return luci.sys.init.enabled("unbound") and self.enabled or self.disabled
+end
+
+function e.write(self, section, value)
+	if value == "1" then
+		luci.sys.init.enable("unbound")
+		luci.sys.call("/etc/init.d/unbound start >/dev/null")
+	else
+		luci.sys.call("/etc/init.d/unbound stop >/dev/null")
+		luci.sys.init.disable("unbound")
+	end
+
+	return Flag.write(self, section, value)
+end
+
+--Service Tab
+
+mcf = s:taboption("service", Flag, "manual_conf", translate("Manual Conf:"),
+  translate("Skip UCI and use /etc/unbound/unbound.conf"))
+mcf.rmempty = false
+
+lsv = s:taboption("service", Flag, "localservice", translate("Local Service:"),
+  translate("Accept queries only from local subnets"))
+lsv.rmempty = false
+
+qry = s:taboption("service", Flag, "query_minimize", translate("Query Minimize:"),
+  translate("Break down query components for small added privacy"))
+qry.rmempty = false
+
+rlh = s:taboption("service", Flag, "rebind_localhost", translate("Block Localhost Rebind:"),
+  translate("Prevent upstream response of 127.0.0.0/8"))
+rlh.rmempty = false
+
+rpv = s:taboption("service", Flag, "rebind_protection", translate("Block Private Rebind:"),
+  translate("Prevent upstream response of RFC1918 ranges"))
+rpv.rmempty = false
+
+vld = s:taboption("service", Flag, "validator", translate("Enable DNSSEC:"),
+  translate("Enable the DNSSEC validator module"))
+vld.rmempty = false
+
+nvd = s:taboption("service", Flag, "validator_ntp", translate("DNSSEC NTP Fix:"),
+  translate("Break the loop where DNSSEC needs NTP and NTP needs DNS"))
+nvd.rmempty = false
+
+eds = s:taboption("service", Value, "edns_size", translate("EDNS Size:"),
+  translate("Limit extended DNS packet size"))
+eds.datatype = "and(uinteger,min(512),max(4096))"
+eds.rmempty = false
+
+prt = s:taboption("service", Value, "listen_port", translate("Listening Port:"),
+  translate("Choose Unbounds listening port"))
+prt.datatype = "port"
+prt.rmempty = false
+
+tlm = s:taboption("service", Value, "ttl_min", translate("TTL Minimum:"),
+  translate("Prevent excessively short cache periods"))
+tlm.datatype = "and(uinteger,min(0),max(600))"
+tlm.rmempty = false
+
+--Resource Tuning Tab
+
+rsn = s:taboption("resource", ListValue, "recursion", translate("Recursion Strength:"),
+  translate("Recursion activity affects memory growth and CPU load"))
+rsn:value("aggressive", translate("Aggressive"))
+rsn:value("default", translate("Default"))
+rsn:value("passive", translate("Passive"))
+rsn.rmempty = false
+
+rsc = s:taboption("resource", ListValue, "resource", translate("Memory Resource:"),
+  translate("Use menu System/Processes to observe any memory growth"))
+rsc:value("large", translate("Large"))
+rsc:value("medium", translate("Medium"))
+rsc:value("small", translate("Small"))
+rsc:value("tiny", translate("Tiny"))
+rsc.rmempty = false
+
+age = s:taboption("resource", Value, "root_age", translate("Root DSKEY Age:"),
+  translate("Limit days between RFC5011 to reduce flash writes"))
+age.datatype = "and(uinteger,min(1),max(99))"
+age:value("14", "14")
+age:value("28", "28 ("..translate("default")..")")
+age:value("45", "45")
+age:value("90", "90")
+age:value("99", "99 ("..translate("never")..")")
+
+--Dnsmasq Link Tab
+
+dld = s:taboption("dnsmasq", Flag, "dnsmasq_link_dns", translate("Link dnsmasq:"),
+  translate("Forward queries to dnsmasq for local clients"))
+dld.rmempty = false
+
+dgn = s:taboption("dnsmasq", Flag, "dnsmsaq_gate_name", translate("Local Gateway Name:"),
+  translate("Also query dnsmasq for this hosts outbound gateway"))
+dgn.rmempty = false
+
+--TODO: Read only repective dnsmasq options and inform user of link requirements.
+--TODO: dnsmasq needs to not reference resolve-file and get off port 53.
+
+return m
+