From b8f810092b585e0e21e6c6a2e6a6e8e27b335b66 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sun, 7 Nov 2010 19:30:55 +0000
Subject: [PATCH] applications/luci-upnp: enable/disable service, live status,
 allow removing single forwards

---
 applications/luci-upnp/luasrc/controller/upnp.lua  | 64 +++++++++++++++--
 applications/luci-upnp/luasrc/view/upnp_status.htm | 84 ++++++++++++++++++++++
 2 files changed, 142 insertions(+), 6 deletions(-)
 create mode 100644 applications/luci-upnp/luasrc/view/upnp_status.htm

diff --git a/applications/luci-upnp/luasrc/controller/upnp.lua b/applications/luci-upnp/luasrc/controller/upnp.lua
index fd3175553..fe9d3d8f5 100644
--- a/applications/luci-upnp/luasrc/controller/upnp.lua
+++ b/applications/luci-upnp/luasrc/controller/upnp.lua
@@ -18,13 +18,65 @@ function index()
 	if not nixio.fs.access("/etc/config/upnpd") then
 		return
 	end
-	
-	local page = entry({"admin", "services", "upnp"}, cbi("upnp/upnp"), "UPNP")
+
+	local page
+
+	page = entry({"admin", "services", "upnp"}, cbi("upnp/upnp"), "UPNP")
 	page.i18n = "upnp"
 	page.dependent = true
-	
-	
-	local page = entry({"mini", "network", "upnp"}, cbi("upnp/upnpmini", {autoapply=true}), "UPNP")
+
+	page = entry({"mini", "network", "upnp"}, cbi("upnp/upnpmini", {autoapply=true}), "UPNP")
 	page.i18n = "upnp"
 	page.dependent = true
-end
\ No newline at end of file
+
+	entry({"admin", "services", "upnp", "status"}, call("act_status")).leaf = true
+	entry({"admin", "services", "upnp", "delete"}, call("act_delete")).leaf = true
+end
+
+function act_status()
+	local ipt = io.popen("iptables --line-numbers -t nat -xnvL MINIUPNPD")
+	if ipt then
+		local fwd = { }
+		while true do
+			local ln = ipt:read("*l")
+			if not ln then
+				break
+			elseif ln:match("^%d+") then
+				local num, proto, extport, intaddr, intport =
+					ln:match("^(%d+).-([a-z]+).-dpt:(%d+) to:(%S-):(%d+)")
+
+				if num and proto and extport and intaddr and intport then
+					num     = tonumber(num)
+					extport = tonumber(extport)
+					intport = tonumber(intport)
+
+					fwd[#fwd+1] = {
+						num     = num,
+						proto   = proto:upper(),
+						extport = extport,
+						intaddr = intaddr,
+						intport = intport
+					}
+				end
+			end
+		end
+
+		ipt:close()
+
+		luci.http.prepare_content("application/json")
+		luci.http.write_json(fwd)
+	end
+end
+
+function act_delete()
+	local path = luci.dispatcher.context.requestpath
+	local idx = tonumber(path[#path])
+
+	if idx and idx > 0 then
+		luci.sys.call("iptables -t filter -D MINIUPNPD %d 2>/dev/null" % idx)
+		luci.sys.call("iptables -t nat -D MINIUPNPD %d 2>/dev/null" % idx)
+		return
+	end
+
+	luci.http.status(400, "Bad request")
+end
diff --git a/applications/luci-upnp/luasrc/view/upnp_status.htm b/applications/luci-upnp/luasrc/view/upnp_status.htm
new file mode 100644
index 000000000..ed1632b0a
--- /dev/null
+++ b/applications/luci-upnp/luasrc/view/upnp_status.htm
@@ -0,0 +1,84 @@
+<script type="text/javascript"><![CDATA[
+
+
+	function upnp_delete_fwd(idx) {
+		var dlxhr = new XHR();
+
+		dlxhr.get('<%=luci.dispatcher.build_url("admin", "services", "upnp", "delete")%>/' + idx, null,
+			function(x)
+			{
+				var tb = document.getElementById('upnp_status_table');
+				if (tb && (idx < tb.rows.length))
+					tb.rows[0].parentNode.removeChild(tb.rows[idx]);
+			}
+		);
+	}
+
+	var stxhr = new XHR();
+	(function() {
+		stxhr.get('<%=luci.dispatcher.build_url("admin", "services", "upnp", "status")%>', null,
+			function(x)
+			{
+				var st = x.responseText ? eval('(' + x.responseText + ')') : null;
+				var tb = document.getElementById('upnp_status_table');
+
+				if (st && tb)
+				{
+					/* clear all rows */
+					while( tb.rows.length > 1 )
+						tb.rows[1].parentNode.removeChild(tb.rows[1]);
+
+					for( var i = 0; i < st.length; i++ )
+					{
+						var tr = document.createElement('tr');
+							tr.className = 'cbi-section-table-row cbi-rowstyle-' + ((i % 2) + 1);
+
+						tr.innerHTML = String.format(
+							'<td class="cbi-section-table-cell">%s</td>' +
+							'<td class="cbi-section-table-cell">%d</td>' +
+							'<td class="cbi-section-table-cell">%s</td>' +
+							'<td class="cbi-section-table-cell">%d</td>' +
+							'<td class="cbi-section-table-cell">' +
+								'<input class="cbi-input-remove" type="button" value="<%:Delete Redirect%>" onclick="upnp_delete_fwd(%d)" />' +
+							'</td>',
+								st[i].proto,
+								st[i].extport,
+								st[i].intaddr,
+								st[i].intport,
+								st[i].num
+						);
+
+						tb.rows[0].parentNode.appendChild(tr);
+					}
+
+					if( tb.rows.length == 1 )
+					{
+						var tr = document.createElement('tr');
+							tr.className = 'cbi-section-table-row';
+							tr.innerHTML = '<td colspan="5"><em><br /><%:There are no active redirects.%></em></td>';
+
+						tb.rows[0].parentNode.appendChild(tr);
+					}
+				}
+			}
+		)
+
+		window.setTimeout(arguments.callee, 5000);
+	})();
+]]></script>
+
+<fieldset class="cbi-section">
+	<legend><%:Active UPnP Redirects%></legend>
+	<table class="cbi-section-table" id="upnp_status_table">
+		<tr class="cbi-section-table-titles">
+			<th class="cbi-section-table-cell"><%:Protocol%></th>
+			<th class="cbi-section-table-cell"><%:External Port%></th>
+			<th class="cbi-section-table-cell"><%:Client Address%></th>
+			<th class="cbi-section-table-cell"><%:Client Port%></th>
+			<th class="cbi-section-table-cell">&nbsp;</th>
+		</tr>
+		<tr class="cbi-section-table-row">
+			<td colspan="5"><em><br /><%:Collecting data...%></em></td>
+		</tr>
+	</table>
+</fieldset>
-- 
2.11.0