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--[[
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
$Id$
]]--
local nw = require "luci.model.network"
local fw = require "luci.model.firewall"
local ds = require "luci.dispatcher"
local has_v2 = nixio.fs.access("/lib/firewall/fw.sh")
require("luci.tools.webadmin")
m = Map("firewall", translate("Firewall"), translate("The firewall creates zones over your network interfaces to control network traffic flow."))
fw.init(m.uci)
nw.init(m.uci)
s = m:section(TypedSection, "defaults")
s.anonymous = true
s.addremove = false
s:tab("general", translate("General Settings"))
s:tab("custom", translate("Custom Rules"))
s:taboption("general", Flag, "syn_flood", translate("Enable SYN-flood protection"))
local di = s:taboption("general", Flag, "drop_invalid", translate("Drop invalid packets"))
di.rmempty = false
function di.cfgvalue(...)
return AbstractValue.cfgvalue(...) or "1"
end
p = {}
p[1] = s:taboption("general", ListValue, "input", translate("Input"))
p[2] = s:taboption("general", ListValue, "output", translate("Output"))
p[3] = s:taboption("general", ListValue, "forward", translate("Forward"))
for i, v in ipairs(p) do
v:value("REJECT", translate("reject"))
v:value("DROP", translate("drop"))
v:value("ACCEPT", translate("accept"))
end
custom = s:taboption("custom", Value, "_custom",
translate("Custom Rules (/etc/firewall.user)"))
custom.template = "cbi/tvalue"
custom.rows = 20
function custom.cfgvalue(self, section)
return nixio.fs.readfile("/etc/firewall.user")
end
function custom.write(self, section, value)
value = value:gsub("\r\n?", "\n")
nixio.fs.writefile("/etc/firewall.user", value)
end
s = m:section(TypedSection, "zone", translate("Zones"))
s.template = "cbi/tblsection"
s.anonymous = true
s.addremove = true
s.extedit = ds.build_url("admin", "network", "firewall", "zones", "%s")
function s.create(self)
local z = fw:new_zone()
if z then
luci.http.redirect(
ds.build_url("admin", "network", "firewall", "zones", z.sid)
)
end
end
function s.remove(self, section)
return fw:del_zone(section)
end
info = s:option(DummyValue, "_info", translate("Zone ⇒ Forwardings"))
info.template = "cbi/firewall_zoneforwards"
function info.cfgvalue(self, section)
return self.map:get(section, "name")
end
p = {}
p[1] = s:option(ListValue, "input", translate("Input"))
p[2] = s:option(ListValue, "output", translate("Output"))
p[3] = s:option(ListValue, "forward", translate("Forward"))
for i, v in ipairs(p) do
v:value("REJECT", translate("reject"))
v:value("DROP", translate("drop"))
v:value("ACCEPT", translate("accept"))
end
s:option(Flag, "masq", translate("Masquerading"))
s:option(Flag, "mtu_fix", translate("MSS clamping"))
local created = nil
--
-- Redirects
--
s = m:section(TypedSection, "redirect", translate("Redirections"))
s.template = "cbi/tblsection"
s.addremove = true
s.anonymous = true
s.sortable = true
s.extedit = ds.build_url("admin", "network", "firewall", "redirect", "%s")
function s.create(self, section)
created = TypedSection.create(self, section)
end
function s.parse(self, ...)
TypedSection.parse(self, ...)
if created then
m.uci:save("firewall")
luci.http.redirect(ds.build_url(
"admin", "network", "firewall", "redirect", created
))
end
end
name = s:option(DummyValue, "_name", translate("Name"))
function name.cfgvalue(self, s)
return self.map:get(s, "_name") or "-"
end
proto = s:option(DummyValue, "proto", translate("Protocol"))
function proto.cfgvalue(self, s)
local p = self.map:get(s, "proto")
if not p or p == "tcpudp" then
return "TCP+UDP"
else
return p:upper()
end
end
src = s:option(DummyValue, "src", translate("Source"))
function src.cfgvalue(self, s)
local rv = "%s:%s:%s" % {
self.map:get(s, "src") or "*",
self.map:get(s, "src_ip") or "0.0.0.0/0",
self.map:get(s, "src_port") or "*"
}
local mac = self.map:get(s, "src_mac")
if mac then
rv = rv .. ", MAC " .. mac
end
return rv
end
via = s:option(DummyValue, "via", translate("Via"))
function via.cfgvalue(self, s)
return "%s:%s:%s" % {
translate("Device"),
self.map:get(s, "src_dip") or "0.0.0.0/0",
self.map:get(s, "src_dport") or "*"
}
end
dest = s:option(DummyValue, "dest", translate("Destination"))
function dest.cfgvalue(self, s)
return "%s:%s:%s" % {
self.map:get(s, "dest") or "*",
self.map:get(s, "dest_ip") or "0.0.0.0/0",
self.map:get(s, "dest_port") or "*"
}
end
target = s:option(DummyValue, "target", translate("Action"))
function target.cfgvalue(self, s)
return self.map:get(s, "target") or "DNAT"
end
--
-- Rules
--
s = m:section(TypedSection, "rule", translate("Rules"))
s.addremove = true
s.anonymous = true
s.sortable = true
s.template = "cbi/tblsection"
s.extedit = ds.build_url("admin", "network", "firewall", "rule", "%s")
s.defaults.target = "ACCEPT"
function s.create(self, section)
local created = TypedSection.create(self, section)
m.uci:save("firewall")
luci.http.redirect(ds.build_url(
"admin", "network", "firewall", "rule", created
))
return
end
name = s:option(DummyValue, "_name", translate("Name"))
function name.cfgvalue(self, s)
return self.map:get(s, "_name") or "-"
end
if has_v2 then
family = s:option(DummyValue, "family", translate("Family"))
function family.cfgvalue(self, s)
local f = self.map:get(s, "family")
if f and f:match("4") then
return translate("IPv4 only")
elseif f and f:match("6") then
return translate("IPv6 only")
else
return translate("IPv4 and IPv6")
end
end
end
proto = s:option(DummyValue, "proto", translate("Protocol"))
function proto.cfgvalue(self, s)
local p = self.map:get(s, "proto")
local t = self.map:get(s, "icmp_type")
if p == "icmp" and t then
return "ICMP (%s)" % t
elseif p == "tcpudp" or not p then
return "TCP+UDP"
else
return p:upper()
end
end
src = s:option(DummyValue, "src", translate("Source"))
function src.cfgvalue(self, s)
local rv = "%s:%s:%s" % {
self.map:get(s, "src") or "*",
self.map:get(s, "src_ip") or "0.0.0.0/0",
self.map:get(s, "src_port") or "*"
}
local mac = self.map:get(s, "src_mac")
if mac then
rv = rv .. ", MAC " .. mac
end
return rv
end
dest = s:option(DummyValue, "dest", translate("Destination"))
function dest.cfgvalue(self, s)
return "%s:%s:%s" % {
self.map:get(s, "dest") or translate("Device"),
self.map:get(s, "dest_ip") or "0.0.0.0/0",
self.map:get(s, "dest_port") or "*"
}
end
s:option(DummyValue, "target", translate("Action"))
return m
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