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-- Copyright 2017 Eric Luehrsen <ericluehrsen@gmail.com>
-- Licensed to the public under the Apache License 2.0.
local m5, s5
local ztype, zones, servers, fallback, enabled
local fs = require "nixio.fs"
local ut = require "luci.util"
local sy = require "luci.sys"
local resolvfile = "/tmp/resolv.conf.auto"
m5 = Map("unbound")
s5 = m5:section(TypedSection, "zone", "Zones",
translatef("This shows extended zones and more details can be "
.. "changed in Files tab and <a href=\"%s\">Edit:UCI</a> subtab.",
"/cgi-bin/luci/admin/services/unbound/files" ))
s5.addremove = false
s5.anonymous = true
s5.sortable = true
s5.template = "cbi/tblsection"
ztype = s5:option(DummyValue, "DummyType", translate("Type"))
ztype.rawhtml = true
zones = s5:option(DummyValue, "DummyZones", translate("Zones"))
zones.rawhtml = true
servers = s5:option(DummyValue, "DummyServers", translate("Servers"))
servers.rawhtml = true
fallback = s5:option(Flag, "fallback", translate("Fallback"))
fallback.rmempty = false
enabled = s5:option(Flag, "enabled", translate("Enable"))
enabled.rmempty = false
function ztype.cfgvalue(self, s)
-- Format a meaninful tile for the Zone Type column
local itxt = self.map:get(s, "zone_type")
local itls = self.map:get(s, "tls_upstream")
if itxt and itxt:match("forward") then
if itls and (itls == "1") then
return translate("Forward TLS")
else
return translate("Forward")
end
elseif itxt and itxt:match("stub") then
return translate("Recurse")
elseif itxt and itxt:match("auth") then
return translate("AXFR")
else
return translate("Error")
end
end
function zones.cfgvalue(self, s)
-- Format a meaninful sentence for the Zones viewed column
local xtxt, otxt
local itxt = self.map:get(s, "zone_name")
local itype = self.map:get(s, "zone_type")
for xtxt in ut.imatch(itxt) do
if (xtxt == ".") then
-- zone_name lists
xtxt = translate("(root)")
end
if otxt and (#otxt > 0) then
otxt = otxt .. ", <var>%s</var>" % xtxt
else
otxt = "<var>%s</var>" % xtxt
end
end
if itype and itype:match("forward") then
-- from zone_type create a readable hint for the action
otxt = translate("accept upstream results for ") .. otxt
elseif itype and itype:match("stub") then
otxt = translate("select recursion for ") .. otxt
elseif itype and itype:match("auth") then
otxt = translate("prefetch zone files for ") .. otxt
else
otxt = translate("unknown action for ") .. otxt
end
if otxt and (#otxt > 0) then
return otxt
else
return "(empty)"
end
end
function servers.cfgvalue(self, s)
-- Format a meaninful sentence for the Servers (and URL) column
local xtxt, otxt, rtxt, found
local itxt = self.map:get(s, "server")
local iurl = self.map:get(s, "url_dir")
local itype = self.map:get(s, "zone_type")
local itls = self.map:get(s, "tls_upstream")
local iidx = self.map:get(s, "tls_index")
local irslv = self.map:get(s, "resolv_conf")
for xtxt in ut.imatch(itxt) do
if otxt and (#otxt > 0) then
-- bundle and make pretty the server list
otxt = otxt .. ", <var>%s</var>" % xtxt
else
otxt = "<var>%s</var>" % xtxt
end
end
if otxt and (#otxt > 0)
and itls and (itls == "1")
and iidx and (#iidx > 0) then
-- show TLS certificate name index if provided
otxt = translatef("use nameservers by <var>%s</var> at ", iidx) .. otxt
elseif otxt and (#otxt > 0) then
otxt = translate("use nameservers ") .. otxt
end
if iurl and (#iurl > 0) and itype and itype:match("auth") then
if otxt and (#otxt > 0) then
-- include optional URL filed for auth-zone: type
otxt = otxt .. translatef(", and try <var>%s</var>", iurl)
else
otxt = translatef("download from <var>%s</var>", iurl)
end
end
if irslv and (irslv == "1") and itype and itype:match("forward") then
for xtxt in ut.imatch(fs.readfile(resolvfile)) do
if xtxt:match("nameserver") then
found = true
elseif (found == true) then
if rtxt and (#rtxt > 0) then
-- fetch name servers from resolv.conf
rtxt = rtxt .. ", <var>%s</var>" % xtxt
else
rtxt = "<var>%s</var>" % xtxt
end
found = false
end
end
if otxt and (#otxt > 0) and rtxt and (#rtxt > 0) then
otxt = otxt
.. translatef(", and <var>%s</var> entries ", resolvfile) .. rtxt
elseif rtxt and (#rtxt > 0) then
otxt = translatef("use <var>%s</var> nameservers ", resolvfile) .. rtxt
end
end
if otxt and (#otxt > 0) then
return otxt
else
return "(empty)"
end
end
function m5.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
return m5
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