--- /dev/null
+--[[
+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 ds = require "luci.dispatcher"
+local ft = require "luci.tools.firewall"
+
+m = Map("firewall",
+ translate("Firewall - Traffic Rules"),
+ translate("Traffic rules define policies for packets traveling between \
+ different zones, for example to reject traffic between certain hosts \
+ or to open WAN ports on the router."))
+
+--
+-- Rules
+--
+
+s = m:section(TypedSection, "rule", translate("Traffic Rules"))
+s.addremove = true
+s.anonymous = true
+s.sortable = true
+s.template = "cbi/tblsection"
+s.extedit = ds.build_url("admin/network/firewall/rules/%s")
+s.defaults.target = "ACCEPT"
+s.template_addremove = "firewall/cbi_addrule"
+
+
+function s.create(self, section)
+ created = TypedSection.create(self, section)
+end
+
+function s.parse(self, ...)
+ TypedSection.parse(self, ...)
+
+ local i_n = m:formvalue("_newopen.name")
+ local i_p = m:formvalue("_newopen.proto")
+ local i_e = m:formvalue("_newopen.extport")
+ local i_x = m:formvalue("_newopen.submit")
+
+ local f_n = m:formvalue("_newfwd.name")
+ local f_s = m:formvalue("_newfwd.src")
+ local f_d = m:formvalue("_newfwd.dest")
+ local f_x = m:formvalue("_newfwd.submit")
+
+ if i_x then
+ created = TypedSection.create(self, section)
+
+ self.map:set(created, "target", "ACCEPT")
+ self.map:set(created, "src", "wan")
+ self.map:set(created, "proto", (i_p ~= "other") and i_p or "all")
+ self.map:set(created, "dest_port", i_e)
+ self.map:set(created, "name", i_n)
+
+ if i_p ~= "other" and i_e and #i_e > 0 then
+ created = nil
+ end
+
+ elseif f_x then
+ created = TypedSection.create(self, section)
+
+ self.map:set(created, "target", "ACCEPT")
+ self.map:set(created, "src", f_s)
+ self.map:set(created, "dest", f_d)
+ self.map:set(created, "name", f_n)
+ end
+
+ if created then
+ m.uci:save("firewall")
+ luci.http.redirect(ds.build_url(
+ "admin/network/firewall/rules", created
+ ))
+ end
+end
+
+ft.opt_name(s, DummyValue, translate("Name"))
+
+local function rule_proto_txt(self, s)
+ local f = self.map:get(s, "family")
+ local p = ft.fmt_proto(self.map:get(s, "proto"),
+ self.map:get(s, "icmp_type")) or translate("traffic")
+
+ if f and f:match("4") then
+ return "%s-%s" %{ translate("IPv4"), p }
+ elseif f and f:match("6") then
+ return "%s-%s" %{ translate("IPv6"), p }
+ else
+ return "%s %s" %{ translate("Any"), p }
+ end
+end
+
+local function rule_src_txt(self, s)
+ local z = ft.fmt_zone(self.map:get(s, "src"), translate("any zone"))
+ local a = ft.fmt_ip(self.map:get(s, "src_ip"), translate("any host"))
+ local p = ft.fmt_port(self.map:get(s, "src_port"))
+ local m = ft.fmt_mac(self.map:get(s, "src_mac"))
+
+ if p and m then
+ return translatef("From %s in %s with source %s and %s", a, z, p, m)
+ elseif p or m then
+ return translatef("From %s in %s with source %s", a, z, p or m)
+ else
+ return translatef("From %s in %s", a, z)
+ end
+end
+
+local function rule_dest_txt(self, s)
+ local z = ft.fmt_zone(self.map:get(s, "dest"))
+ local p = ft.fmt_port(self.map:get(s, "dest_port"))
+
+ -- Forward
+ if z then
+ local a = ft.fmt_ip(self.map:get(s, "dest_ip"), translate("any host"))
+ if p then
+ return translatef("To %s, %s in %s", a, p, z)
+ else
+ return translatef("To %s in %s", a, z)
+ end
+
+ -- Input
+ else
+ local a = ft.fmt_ip(self.map:get(s, "dest_ip"),
+ translate("any router IP"))
+
+ if p then
+ return translatef("To %s at %s on <var>this device</var>", a, p)
+ else
+ return translatef("To %s on <var>this device</var>", a)
+ end
+ end
+end
+
+local function snat_dest_txt(self, s)
+ local z = ft.fmt_zone(self.map:get(s, "dest"), translate("any zone"))
+ local a = ft.fmt_ip(self.map:get(s, "dest_ip"), translate("any host"))
+ local p = ft.fmt_port(self.map:get(s, "dest_port")) or
+ ft.fmt_port(self.map:get(s, "src_dport"))
+
+ if p then
+ return translatef("To %s, %s in %s", a, p, z)
+ else
+ return translatef("To %s in %s", a, z)
+ end
+end
+
+
+match = s:option(DummyValue, "match", translate("Match"))
+match.rawhtml = true
+match.width = "70%"
+function match.cfgvalue(self, s)
+ return "<small>%s<br />%s<br />%s</small>" % {
+ rule_proto_txt(self, s),
+ rule_src_txt(self, s),
+ rule_dest_txt(self, s)
+ }
+end
+
+target = s:option(DummyValue, "target", translate("Action"))
+target.rawhtml = true
+target.width = "20%"
+function target.cfgvalue(self, s)
+ local t = ft.fmt_target(self.map:get(s, "target"), self.map:get(s, "dest"))
+ local l = ft.fmt_limit(self.map:get(s, "limit"),
+ self.map:get(s, "limit_burst"))
+
+ if l then
+ return translatef("<var>%s</var> and limit to %s", t, l)
+ else
+ return "<var>%s</var>" % t
+ end
+end
+
+ft.opt_enabled(s, Flag, translate("Enable")).width = "1%"
+
+
+--
+-- SNAT
+--
+
+s = m:section(TypedSection, "redirect",
+ translate("Source NAT"),
+ translate("Source NAT is a specific form of masquerading which allows \
+ fine grained control over the source IP used for outgoing traffic, \
+ for example to map multiple WAN addresses to internal subnets."))
+s.template = "cbi/tblsection"
+s.addremove = true
+s.anonymous = true
+s.sortable = true
+s.extedit = ds.build_url("admin/network/firewall/rules/%s")
+s.template_addremove = "firewall/cbi_addsnat"
+
+function s.create(self, section)
+ created = TypedSection.create(self, section)
+end
+
+function s.parse(self, ...)
+ TypedSection.parse(self, ...)
+
+ local n = m:formvalue("_newsnat.name")
+ local s = m:formvalue("_newsnat.src")
+ local d = m:formvalue("_newsnat.dest")
+ local a = m:formvalue("_newsnat.dip")
+ local p = m:formvalue("_newsnat.dport")
+ local x = m:formvalue("_newsnat.submit")
+
+ if x and a and #a > 0 then
+ created = TypedSection.create(self, section)
+
+ self.map:set(created, "target", "SNAT")
+ self.map:set(created, "src", s)
+ self.map:set(created, "dest", d)
+ self.map:set(created, "proto", "all")
+ self.map:set(created, "src_dip", a)
+ self.map:set(created, "src_dport", p)
+ self.map:set(created, "name", n)
+ end
+
+ if created then
+ m.uci:save("firewall")
+ luci.http.redirect(ds.build_url(
+ "admin/network/firewall/rules", created
+ ))
+ end
+end
+
+function s.filter(self, sid)
+ return (self.map:get(sid, "target") == "SNAT")
+end
+
+ft.opt_name(s, DummyValue, translate("Name"))
+
+match = s:option(DummyValue, "match", translate("Match"))
+match.rawhtml = true
+match.width = "70%"
+function match.cfgvalue(self, s)
+ return "<small>%s<br />%s<br />%s</small>" % {
+ rule_proto_txt(self, s),
+ rule_src_txt(self, s),
+ snat_dest_txt(self, s)
+ }
+end
+
+snat = s:option(DummyValue, "via", translate("Action"))
+snat.rawhtml = true
+snat.width = "20%"
+function snat.cfgvalue(self, s)
+ local a = ft.fmt_ip(self.map:get(s, "src_dip"))
+ local p = ft.fmt_port(self.map:get(s, "src_dport"))
+
+ if a and p then
+ return translatef("Rewrite to source %s, %s", a, p)
+ else
+ return translatef("Rewrite to source %s", a or p)
+ end
+end
+
+ft.opt_enabled(s, Flag, translate("Enable")).width = "1%"
+
+
+return m
projects / project / luci.git / blobdiff