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-- Copyright 2008 Steven Barth <steven@midlink.org>
-- Copyright 2016 Eric Luehrsen <ericluehrsen@gmail.com>
-- Copyright 2016 Dan Luedtke <mail@danrl.com>
-- Licensed to the public under the Apache License 2.0.
local m1, s1
local ena, mcf, lci, lsv
local rlh, rpv, vld, nvd, eds, prt, tlm
local ctl, dlk, dom, dty, lfq, wfq, exa
local dp6, d64, pfx, qry, qrs
local pro, tgr, rsc, rsn, ag2, stt
local rpn, din, ath
local ut = require "luci.util"
local sy = require "luci.sys"
local ht = require "luci.http"
local ds = require "luci.dispatcher"
local ucl = luci.model.uci.cursor()
local valman = ucl:get_first("unbound", "unbound", "manual_conf")
local dhcplk = ucl:get_first("unbound", "unbound", "dhcp_link")
local lstrig = ucl:get_first("dhcp", "odhcpd", "leasetrigger")
m1 = Map("unbound")
s1 = m1:section(TypedSection, "unbound", translate("Recursive DNS"),
translatef("Unbound <a href=\"%s\" target=\"_blank\">(NLnet Labs)</a>"
.. " is a validating, recursive, and caching DNS resolver"
.. " <a href=\"%s\" target=\"_blank\">(help)</a>.",
"https://www.unbound.net/",
"https://github.com/openwrt/packages/blob/master/net/unbound/files/README.md"))
s1.addremove = false
s1.anonymous = true
if (valman == "0") and (dhcplk == "odhcpd") and (lstrig ~= "/usr/lib/unbound/odhcpd.sh") then
m1.message = translatef( "Note: local DNS is configured to look at odhpcd, "
.. "but odhpcd UCI lease trigger is incorrectly set: ")
.. "dhcp.odhcpd.leasetrigger='" .. lstrig .. "'"
end
--LuCI, Unbound, or Not
s1:tab("basic", translate("Basic"))
if (valman == "0") then
-- Not in manual configuration mode; show UCI
s1:tab("advanced", translate("Advanced"))
s1:tab("DHCP", translate("DHCP"))
s1:tab("resource", translate("Resource"))
end
--Basic Tab, unconditional pieces
ena = s1:taboption("basic", Flag, "enabled", translate("Enable Unbound"),
translate("Enable the initialization scripts for Unbound"))
ena.rmempty = false
mcf = s1:taboption("basic", Flag, "manual_conf", translate("Manual Conf"),
translate("Skip UCI and use /etc/unbound/unbound.conf"))
mcf.rmempty = false
if (valman == "0") then
-- Not in manual configuration mode; show UCI
--Basic Tab
lsv = s1:taboption("basic", Flag, "localservice",
translate("Local Service"),
translate("Accept queries only from local subnets"))
lsv.rmempty = false
vld = s1:taboption("basic", Flag, "validator",
translate("Enable DNSSEC"),
translate("Enable the DNSSEC validator module"))
vld.rmempty = false
nvd = s1:taboption("basic", Flag, "validator_ntp",
translate("DNSSEC NTP Fix"),
translate("Break the loop where DNSSEC needs NTP and NTP needs DNS"))
nvd.optional = true
nvd:depends("validator", true)
prt = s1:taboption("basic", Value, "listen_port",
translate("Listening Port"),
translate("Choose Unbounds listening port"))
prt.datatype = "port"
prt.placeholder = "53"
--Avanced Tab
rlh = s1:taboption("advanced", Flag, "rebind_localhost",
translate("Filter Localhost Rebind"),
translate("Protect against upstream response of 127.0.0.0/8"))
rlh.rmempty = false
rpv = s1:taboption("advanced", ListValue, "rebind_protection",
translate("Filter Private Rebind"),
translate("Protect against upstream responses within local subnets"))
rpv:value("0", translate("No Filter"))
rpv:value("1", translate("Filter Private Address"))
rpv:value("2", translate("Filter Entire Subnet"))
rpv.rmempty = false
d64 = s1:taboption("advanced", Flag, "dns64", translate("Enable DNS64"),
translate("Enable the DNS64 module"))
d64.rmempty = false
pfx = s1:taboption("advanced", Value, "dns64_prefix",
translate("DNS64 Prefix"),
translate("Prefix for generated DNS64 addresses"))
pfx.datatype = "ip6addr"
pfx.placeholder = "64:ff9b::/96"
pfx.optional = true
pfx:depends("dns64", true)
din = s1:taboption("advanced", DynamicList, "domain_insecure",
translate("Domain Insecure"),
translate("List domains to bypass checks of DNSSEC"))
din:depends("validator", true)
ag2 = s1:taboption("advanced", Value, "root_age",
translate("Root DSKEY Age"),
translate("Limit days between RFC5011 copies to reduce flash writes"))
ag2.datatype = "and(uinteger,min(1),max(99))"
ag2:value("3", "3")
ag2:value("9", "9 ("..translate("default")..")")
ag2:value("12", "12")
ag2:value("24", "24")
ag2:value("99", "99 ("..translate("never")..")")
tgr = s1:taboption("advanced", Value, "trigger_interface",
translate("Trigger Networks"),
translate("Networks that may trigger Unbound to reload (avoid wan6)"))
tgr.template = "cbi/network_netlist"
tgr.widget = "checkbox"
tgr.rmempty = true
tgr.cast = "string"
tgr.nocreate = true
--DHCP Tab
dlk = s1:taboption("DHCP", ListValue, "dhcp_link",
translate("DHCP Link"),
translate("Link to supported programs to load DHCP into DNS"))
dlk:value("none", translate("No Link"))
dlk:value("dnsmasq", "dnsmasq")
dlk:value("odhcpd", "odhcpd")
dlk.rmempty = false
dp6 = s1:taboption("DHCP", Flag, "dhcp4_slaac6",
translate("DHCPv4 to SLAAC"),
translate("Use DHCPv4 MAC to discover IP6 hosts SLAAC (EUI64)"))
dp6.optional = true
dp6:depends("dhcp_link", "odhcpd")
dom = s1:taboption("DHCP", Value, "domain",
translate("Local Domain"),
translate("Domain suffix for this router and DHCP clients"))
dom.placeholder = "lan"
dom.optional = true
dom:depends("dhcp_link", "none")
dom:depends("dhcp_link", "odhcpd")
dty = s1:taboption("DHCP", ListValue, "domain_type",
translate("Local Domain Type"),
translate("How to treat queries of this local domain"))
dty.optional = true
dty:value("deny", translate("Denied (nxdomain)"))
dty:value("refuse", translate("Refused"))
dty:value("static", translate("Static (local only)"))
dty:value("transparent", translate("Transparent (local/global)"))
dty:depends("dhcp_link", "none")
dty:depends("dhcp_link", "odhcpd")
lfq = s1:taboption("DHCP", ListValue, "add_local_fqdn",
translate("LAN DNS"),
translate("How to enter the LAN or local network router in DNS"))
lfq.optional = true
lfq:value("0", translate("No Entry"))
lfq:value("1", translate("Hostname, Primary Address"))
lfq:value("2", translate("Hostname, All Addresses"))
lfq:value("3", translate("Host FQDN, All Addresses"))
lfq:value("4", translate("Interface FQDN, All Addresses"))
lfq:depends("dhcp_link", "none")
lfq:depends("dhcp_link", "odhcpd")
wfq = s1:taboption("DHCP", ListValue, "add_wan_fqdn",
translate("WAN DNS"),
translate("Override the WAN side router entry in DNS"))
wfq.optional = true
wfq:value("0", translate("Use Upstream"))
wfq:value("1", translate("Hostname, Primary Address"))
wfq:value("2", translate("Hostname, All Addresses"))
wfq:value("3", translate("Host FQDN, All Addresses"))
wfq:value("4", translate("Interface FQDN, All Addresses"))
wfq:depends("dhcp_link", "none")
wfq:depends("dhcp_link", "odhcpd")
exa = s1:taboption("DHCP", ListValue, "add_extra_dns",
translate("Extra DNS"),
translate("Use extra DNS entries found in /etc/config/dhcp"))
exa.optional = true
exa:value("0", translate("Ignore"))
exa:value("1", translate("Host Records"))
exa:value("2", translate("Host/MX/SRV RR"))
exa:value("3", translate("Host/MX/SRV/CNAME RR"))
exa:depends("dhcp_link", "none")
exa:depends("dhcp_link", "odhcpd")
--TODO: dnsmasq needs to not reference resolve-file and get off port 53.
--Resource Tuning Tab
ctl = s1:taboption("resource", ListValue, "unbound_control",
translate("Unbound Control App"),
translate("Enable access for unbound-control"))
ctl.rmempty = false
ctl:value("0", translate("No Remote Control"))
ctl:value("1", translate("Local Host, No Encryption"))
ctl:value("2", translate("Local Host, Encrypted"))
ctl:value("3", translate("Local Subnet, Encrypted"))
ctl:value("4", translate("Local Subnet, Static Encryption"))
pro = s1:taboption("resource", ListValue, "protocol",
translate("Recursion Protocol"),
translate("Chose the IP versions used upstream and downstream"))
pro:value("default", translate("Default"))
pro:value("ip4_only", translate("IP4 Only"))
pro:value("ip6_local", translate("IP4 All and IP6 Local"))
pro:value("ip6_only", translate("IP6 Only*"))
pro:value("ip6_prefer", translate("IP6 Preferred"))
pro:value("mixed", translate("IP4 and IP6"))
pro.rmempty = false
rsc = s1:taboption("resource", ListValue, "resource",
translate("Memory Resource"),
translate("Use menu System/Processes to observe any memory growth"))
rsc:value("default", translate("Default"))
rsc:value("tiny", translate("Tiny"))
rsc:value("small", translate("Small"))
rsc:value("medium", translate("Medium"))
rsc:value("large", translate("Large"))
rsc.rmempty = false
rsn = s1:taboption("resource", ListValue, "recursion",
translate("Recursion Strength"),
translate("Recursion activity affects memory growth and CPU load"))
rsn:value("default", translate("Default"))
rsn:value("passive", translate("Passive"))
rsn:value("aggressive", translate("Aggressive"))
rsn.rmempty = false
qry = s1:taboption("resource", Flag, "query_minimize",
translate("Query Minimize"),
translate("Break down query components for limited added privacy"))
qry.optional = true
qry:depends("recursion", "passive")
qry:depends("recursion", "aggressive")
qrs = s1:taboption("resource", Flag, "query_min_strict",
translate("Strict Minimize"),
translate("Strict version of 'query minimize' but it can break DNS"))
qrs.optional = true
qrs:depends("query_minimize", true)
eds = s1:taboption("resource", Value, "edns_size",
translate("EDNS Size"),
translate("Limit extended DNS packet size"))
eds.datatype = "and(uinteger,min(512),max(4096))"
eds.placeholder = "1280"
tlm = s1:taboption("resource", Value, "ttl_min",
translate("TTL Minimum"),
translate("Prevent excessively short cache periods"))
tlm.datatype = "and(uinteger,min(0),max(1200))"
tlm.placeholder = "120"
stt = s1:taboption("resource", Flag, "extended_stats",
translate("Extended Statistics"),
translate("Extended statistics are printed from unbound-control"))
stt.rmempty = false
else
ag2 = s1:taboption("basic", Value, "root_age",
translate("Root DSKEY Age"),
translate("Limit days between RFC5011 copies to reduce flash writes"))
ag2.datatype = "and(uinteger,min(1),max(99))"
ag2:value("3", "3")
ag2:value("9", "9 ("..translate("default")..")")
ag2:value("12", "12")
ag2:value("24", "24")
ag2:value("99", "99 ("..translate("never")..")")
tgr = s1:taboption("basic", Value, "trigger_interface",
translate("Trigger Networks"),
translate("Networks that may trigger Unbound to reload (avoid wan6)"))
tgr.template = "cbi/network_netlist"
tgr.widget = "checkbox"
tgr.rmempty = true
tgr.cast = "string"
tgr.nocreate = true
end
function ena.cfgvalue(self, section)
return sy.init.enabled("unbound") and self.enabled or self.disabled
end
function ena.write(self, section, value)
if (value == "1") then
sy.init.enable("unbound")
sy.call("/etc/init.d/unbound start >/dev/null 2>&1")
else
sy.call("/etc/init.d/unbound stop >/dev/null 2>&1")
sy.init.disable("unbound")
end
return Flag.write(self, section, value)
end
function m1.on_commit(self)
if sy.init.enabled("unbound") then
-- Restart Unbound with configuration
sy.call("/etc/init.d/unbound restart >/dev/null 2>&1")
else
sy.call("/etc/init.d/unbound stop >/dev/null 2>&1")
end
end
function m1.on_apply(self)
-- reload the page because some options hide
ht.redirect(ds.build_url("admin", "services", "unbound", "configure"))
end
return m1
|
