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--[[
LuCI - Lua Configuration Interface
Copyright 2008 Steven Barth <steven@midlink.org>
Copyright 2010-2012 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
]]--
local sys = require "luci.sys"
local dsp = require "luci.dispatcher"
local nxo = require "nixio"
local ft = require "luci.tools.firewall"
local nw = require "luci.model.network"
local m, s, o, k, v
arg[1] = arg[1] or ""
m = Map("firewall",
translate("Firewall - Traffic Rules"),
translate("This page allows you to change advanced properties of the \
traffic rule entry, such as matched source and destination \
hosts."))
m.redirect = dsp.build_url("admin/network/firewall/rules")
nw.init(m.uci)
local rule_type = m.uci:get("firewall", arg[1])
if rule_type == "redirect" and m:get(arg[1], "target") ~= "SNAT" then
rule_type = nil
end
if not rule_type then
luci.http.redirect(m.redirect)
return
--
-- SNAT
--
elseif rule_type == "redirect" then
local name = m:get(arg[1], "name") or m:get(arg[1], "_name")
if not name or #name == 0 then
name = translate("(Unnamed SNAT)")
else
name = "SNAT %s" % name
end
m.title = "%s - %s" %{ translate("Firewall - Traffic Rules"), name }
local wan_zone = nil
m.uci:foreach("firewall", "zone",
function(s)
local n = s.network or s.name
if n then
local i
for i in n:gmatch("%S+") do
if i == "wan" then
wan_zone = s.name
return false
end
end
end
end)
s = m:section(NamedSection, arg[1], "redirect", "")
s.anonymous = true
s.addremove = false
ft.opt_enabled(s, Button)
ft.opt_name(s, Value, translate("Name"))
o = s:option(Value, "proto",
translate("Protocol"),
translate("You may specify multiple by selecting \"-- custom --\" and \
then entering protocols separated by space."))
o:value("all", "All protocols")
o:value("tcp udp", "TCP+UDP")
o:value("tcp", "TCP")
o:value("udp", "UDP")
o:value("icmp", "ICMP")
function o.cfgvalue(...)
local v = Value.cfgvalue(...)
if not v or v == "tcpudp" then
return "tcp udp"
end
return v
end
o = s:option(Value, "src", translate("Source zone"))
o.nocreate = true
o.default = "wan"
o.template = "cbi/firewall_zonelist"
o = s:option(DynamicList, "src_mac", translate("Source MAC address"))
o.rmempty = true
o.datatype = "neg(macaddr)"
o.placeholder = translate("any")
luci.sys.net.mac_hints(function(mac, name)
o:value(mac, "%s (%s)" %{ mac, name })
end)
o = s:option(Value, "src_ip", translate("Source IP address"))
o.rmempty = true
o.datatype = "neg(ipaddr)"
o.placeholder = translate("any")
luci.sys.net.ipv4_hints(function(ip, name)
o:value(ip, "%s (%s)" %{ ip, name })
end)
o = s:option(Value, "src_port",
translate("Source port"),
translate("Match incoming traffic originating from the given source \
port or port range on the client host."))
o.rmempty = true
o.datatype = "neg(portrange)"
o.placeholder = translate("any")
o = s:option(Value, "dest", translate("Destination zone"))
o.nocreate = true
o.default = "lan"
o.template = "cbi/firewall_zonelist"
o = s:option(Value, "dest_ip", translate("Destination IP address"))
o.datatype = "neg(ip4addr)"
luci.sys.net.ipv4_hints(function(ip, name)
o:value(ip, "%s (%s)" %{ ip, name })
end)
o = s:option(Value, "dest_port",
translate("Destination port"),
translate("Match forwarded traffic to the given destination port or \
port range."))
o.rmempty = true
o.placeholder = translate("any")
o.datatype = "portrange"
o = s:option(Value, "src_dip",
translate("SNAT IP address"),
translate("Rewrite matched traffic to the given address."))
o.rmempty = false
o.datatype = "ip4addr"
for k, v in ipairs(nw:get_interfaces()) do
local a
for k, a in ipairs(v:ipaddrs()) do
o:value(a:host():string(), '%s (%s)' %{
a:host():string(), v:shortname()
})
end
end
o = s:option(Value, "src_dport", translate("SNAT port"),
translate("Rewrite matched traffic to the given source port. May be \
left empty to only rewrite the IP address."))
o.datatype = "portrange"
o.rmempty = true
o.placeholder = translate('Do not rewrite')
s:option(Value, "extra",
translate("Extra arguments"),
translate("Passes additional arguments to iptables. Use with care!"))
--
-- Rule
--
else
local name = m:get(arg[1], "name") or m:get(arg[1], "_name")
if not name or #name == 0 then
name = translate("(Unnamed Rule)")
end
m.title = "%s - %s" %{ translate("Firewall - Traffic Rules"), name }
s = m:section(NamedSection, arg[1], "rule", "")
s.anonymous = true
s.addremove = false
ft.opt_enabled(s, Button)
ft.opt_name(s, Value, translate("Name"))
o = s:option(ListValue, "family", translate("Restrict to address family"))
o.rmempty = true
o:value("", translate("IPv4 and IPv6"))
o:value("ipv4", translate("IPv4 only"))
o:value("ipv6", translate("IPv6 only"))
o = s:option(Value, "proto", translate("Protocol"))
o:value("all", translate("Any"))
o:value("tcp udp", "TCP+UDP")
o:value("tcp", "TCP")
o:value("udp", "UDP")
o:value("icmp", "ICMP")
function o.cfgvalue(...)
local v = Value.cfgvalue(...)
if not v or v == "tcpudp" then
return "tcp udp"
end
return v
end
o = s:option(DynamicList, "icmp_type", translate("Match ICMP type"))
o:value("", "any")
o:value("echo-reply")
o:value("destination-unreachable")
o:value("network-unreachable")
o:value("host-unreachable")
o:value("protocol-unreachable")
o:value("port-unreachable")
o:value("fragmentation-needed")
o:value("source-route-failed")
o:value("network-unknown")
o:value("host-unknown")
o:value("network-prohibited")
o:value("host-prohibited")
o:value("TOS-network-unreachable")
o:value("TOS-host-unreachable")
o:value("communication-prohibited")
o:value("host-precedence-violation")
o:value("precedence-cutoff")
o:value("source-quench")
o:value("redirect")
o:value("network-redirect")
o:value("host-redirect")
o:value("TOS-network-redirect")
o:value("TOS-host-redirect")
o:value("echo-request")
o:value("router-advertisement")
o:value("router-solicitation")
o:value("time-exceeded")
o:value("ttl-zero-during-transit")
o:value("ttl-zero-during-reassembly")
o:value("parameter-problem")
o:value("ip-header-bad")
o:value("required-option-missing")
o:value("timestamp-request")
o:value("timestamp-reply")
o:value("address-mask-request")
o:value("address-mask-reply")
o = s:option(Value, "src", translate("Source zone"))
o.nocreate = true
o.allowany = true
o.default = "wan"
o.template = "cbi/firewall_zonelist"
o = s:option(Value, "src_mac", translate("Source MAC address"))
o.datatype = "list(macaddr)"
o.placeholder = translate("any")
luci.sys.net.mac_hints(function(mac, name)
o:value(mac, "%s (%s)" %{ mac, name })
end)
o = s:option(Value, "src_ip", translate("Source address"))
o.datatype = "neg(ipaddr)"
o.placeholder = translate("any")
luci.sys.net.ipv4_hints(function(ip, name)
o:value(ip, "%s (%s)" %{ ip, name })
end)
o = s:option(Value, "src_port", translate("Source port"))
o.datatype = "list(neg(portrange))"
o.placeholder = translate("any")
o = s:option(Value, "dest", translate("Destination zone"))
o.nocreate = true
o.allowany = true
o.allowlocal = true
o.template = "cbi/firewall_zonelist"
o = s:option(Value, "dest_ip", translate("Destination address"))
o.datatype = "neg(ipaddr)"
o.placeholder = translate("any")
luci.sys.net.ipv4_hints(function(ip, name)
o:value(ip, "%s (%s)" %{ ip, name })
end)
o = s:option(Value, "dest_port", translate("Destination port"))
o.datatype = "list(neg(portrange))"
o.placeholder = translate("any")
o = s:option(ListValue, "target", translate("Action"))
o.default = "ACCEPT"
o:value("DROP", translate("drop"))
o:value("ACCEPT", translate("accept"))
o:value("REJECT", translate("reject"))
o:value("NOTRACK", translate("don't track"))
s:option(Value, "extra",
translate("Extra arguments"),
translate("Passes additional arguments to iptables. Use with care!"))
end
return m
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