modules/admin-full: implement iptables status page

i18n/english: resync xml, add strings for iptables page
libs/sys/iptparser: implement chain() and is_custom_target()

2 files changed, 155 insertions, 1 deletions

diff --git a/modules/admin-full/luasrc/controller/admin/status.lua b/modules/admin-full/luasrc/controller/admin/status.lua
index 09e7766c1..fd61459e9 100644
--- a/modules/admin-full/luasrc/controller/admin/status.lua
+++ b/modules/admin-full/luasrc/controller/admin/status.lua
@@ -19,7 +19,8 @@ function index()
 
 	entry({"admin", "status"}, template("admin_status/index"), i18n("status", "Status"), 20).index = true
 	entry({"admin", "status", "syslog"}, call("action_syslog"), i18n("syslog", "Systemprotokoll"), 1)
-    entry({"admin", "status", "dmesg"}, call("action_dmesg"), i18n("dmesg", "Kernelprotokoll"), 2)
+	entry({"admin", "status", "dmesg"}, call("action_dmesg"), i18n("dmesg", "Kernelprotokoll"), 2)
+	entry({"admin", "status", "iptables"}, call("action_iptables"), i18n("a_s_ipt", "Firewall"), 3)
 end
 
 function action_syslog()
@@ -31,3 +32,19 @@ function action_dmesg()
 	local dmesg = luci.sys.dmesg()
 	luci.template.render("admin_status/dmesg", {dmesg=dmesg})
 end
+
+function action_iptables()
+	if luci.http.formvalue("zero") == "1" then
+		luci.util.exec("iptables -Z")
+		luci.http.redirect(
+			luci.dispatcher.build_url("admin", "status", "iptables")
+		)
+	elseif luci.http.formvalue("restart") == "1" then
+		luci.util.exec("/etc/init.d/firewall restart")
+		luci.http.redirect(
+			luci.dispatcher.build_url("admin", "status", "iptables")
+		)
+	else
+		luci.template.render("admin_status/iptables")
+	end
+end
diff --git a/modules/admin-full/luasrc/view/admin_status/iptables.htm b/modules/admin-full/luasrc/view/admin_status/iptables.htm
new file mode 100644
index 000000000..da0a994d9
--- /dev/null
+++ b/modules/admin-full/luasrc/view/admin_status/iptables.htm
@@ -0,0 +1,137 @@
+<%#
+LuCI - Lua Configuration Interface
+Copyright 2009 Steven Barth <steven@midlink.org>
+Copyright 2009 Jo-Philipp Wich <xm@leipzig.freifunk.net>
+
+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
+
+$Id$
+
+-%>
+
+<%-
+
+	require "luci.sys.iptparser"
+	require "luci.tools.webadmin"
+
+	local ipt = luci.sys.iptparser.IptParser()
+	local wba = luci.tools.webadmin
+
+	local rowcnt = 1
+	function rowstyle()
+		rowcnt = rowcnt + 1
+		return (rowcnt % 2) + 1
+	end
+
+	function link_target(t,c)
+		if ipt:is_custom_target(c) then
+			return '<a href="#rule_%s_%s">%s</a>' %{ t:lower(), c, c }
+		end
+		return c
+	end
+
+	function link_iface(i)
+		local net = wba.iface_get_network(i)
+		if net and i ~= "lo" then
+			return '<a href="%s">%s</a>' %{
+				luci.dispatcher.build_url("admin", "network", "network", net), i
+			}
+
+		end
+		return i
+	end
+
+-%>
+
+<%+header%>
+
+<h2><a id="content" name="content"><%:a_s_ipt_status Firewall Status%></a></h2>
+
+<form method="post" action="<%=REQUEST_URI%>">
+	<div class="cbi-map">
+		<fieldset class="cbi-section">
+			<fieldset class="cbi-section-node">
+				<h3><%:a_s_ipt_actions Actions%></h3>
+				<ul>
+					<li><a href="<%=REQUEST_URI%>?zero=1"><%:a_s_ipt_reset Reset Counters%></a></li>
+					<li><a href="<%=REQUEST_URI%>?restart=1"><%:a_s_ipt_restart Restart Firewall%></a></li>
+				</ul>
+			</fieldset>
+			<br />
+
+			<fieldset class="cbi-section-node">
+				<% for _, tbl in ipairs({"Filter", "NAT", "Mangle"}) do chaincnt = 0 %>
+					<h3><%:a_s_ipt_table Table%>: <%=tbl%></h3>
+					<table class="cbi-section-table" style="font-size:90%">
+						<% for _, chain in ipairs(ipt:chains(tbl)) do
+							rowcnt    = 0
+							chaincnt  = chaincnt + 1
+							chaininfo = ipt:chain(tbl, chain)
+						%>
+							<tr class="cbi-section-table-titles cbi-rowstyle-<%=rowstyle()%>">
+								<th class="cbi-section-table-cell" style="text-align:left" colspan="11">
+									<br /><a name="rule_<%=tbl:lower()%>_<%=chain%>"></a>
+									<%:a_s_ipt_chain Chain%> <em><%=chain%></em>
+									(<%- if chaininfo.policy then -%>
+										<%:a_s_ipt_policy Policy%>: <em><%=chaininfo.policy%></em>, <%:a_s_ipt_packets Packets%>: <%=chaininfo.packets%>, <%:a_s_ipt_bytes Traffic%>: <%=wba.byte_format(chaininfo.bytes)-%>
+									<%- else -%>
+										<%:a_s_ipt_references References%>: <%=chaininfo.references-%>
+									<%- end -%>)
+								</th>
+							</tr>
+							<tr class="cbi-section-table-descr">
+								<th class="cbi-section-table-cell"><%:a_s_ipt_rulenum Rule #%></th>
+								<th class="cbi-section-table-cell"><%:a_s_ipt_packets Pkts.%></th>
+								<th class="cbi-section-table-cell"><%:a_s_ipt_bytes Traffic%></th>
+								<th class="cbi-section-table-cell"><%:a_s_ipt_target Target%></th>
+								<th class="cbi-section-table-cell"><%:a_s_ipt_proto Prot.%></th>
+								<th class="cbi-section-table-cell"><%:a_s_ipt_flags Flags%></th>
+								<th class="cbi-section-table-cell"><%:a_s_ipt_inputif In%></th>
+								<th class="cbi-section-table-cell"><%:a_s_ipt_outputif Out%></th>
+								<th class="cbi-section-table-cell"><%:a_s_ipt_source Source%></th>
+								<th class="cbi-section-table-cell"><%:a_s_ipt_destination Destination%></th>
+								<th class="cbi-section-table-cell"><%:a_s_ipt_options Options%></th>
+							</tr>
+
+							<% for _, rule in ipairs(ipt:find({table=tbl, chain=chain})) do %>
+								<tr class="cbi-section-table-row cbi-rowstyle-<%=rowstyle()%>">
+									<td><%=rule.index%></td>
+									<td><%=rule.packets%></td>
+									<td><%=wba.byte_format(rule.bytes)%></td>
+									<td><%=link_target(tbl, rule.target)%></td>
+									<td><%=rule.protocol%></td>
+									<td><%=rule.flags%></td>
+									<td><%=link_iface(rule.inputif)%></td>
+									<td><%=link_iface(rule.outputif)%></td>
+									<td><%=rule.source%></td>
+									<td><%=rule.destination%></td>
+									<td><small><%=#rule.options > 0 and table.concat(rule.options, " ") or "-"%></small></td>
+								</tr>
+							<% end %>
+
+							<% if rowcnt == 1 then %>
+								<tr class="cbi-section-table-titles cbi-rowstyle-<%=rowstyle()%>">
+									<td colspan="11"><em><%:a_s_ipt_norules No rules in this chain%></em></td>
+								</tr>
+							<% end %>
+						<% end %>
+
+						<% if chaincnt == 0 then %>
+							<tr class="cbi-section-table-titles cbi-rowstyle-<%=rowstyle()%>">
+								<td colspan="11"><em><%:a_s_ipt_nochains No chains in this table%></em></td>
+							</tr>
+						<% end %>
+					</table>
+					<br /><br />
+				<% end %>
+			</fieldset>
+		</fieldset>
+	</div>
+</form>
+
+<%+footer%>
+<% if ret == 0 then luci.sys.reboot() end %>