#!/usr/bin/haserl

<%
# write
if [ "$REQUEST_METHOD" == "POST" ] ; then
	#check for valid hostname as specified in rfc 1123
	#see http://stackoverflow.com/a/3824105
	regex='^([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])'
	regex=$regex'(\.([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]{0,61}[a-zA-Z0-9]))*$'
	if [ "${#POST_hostname}" -ge "255" ] ; then
		MSG='<span class="red">Knotenname ist l&auml;nger als 255 Zeichen!</span>'
        elif ! echo -n "$POST_hostname" | egrep -q "$regex"; then   
		MSG='<span class="red">Knotenname enth&auml;lt ung&uuml;ltige Zeichen!</span>'
	else
		# Allgemeine Einstellungen
		uci -q set "system.@system[0].hostname=${POST_hostname}"
		echo "$(uci -q get "system.@system[0].hostname")" > /proc/sys/kernel/hostname
		uci -q set "system.@system[0].description=${POST_description}"
		uci -q set "system.@system[0].latitude=${POST_latitude}"
		uci -q set "system.@system[0].longitude=${POST_longitude}"
		uci -q set "system.@system[0].position_comment=${POST_position_comment}"
		uci -q set "system.@system[0].contact=${POST_contact}"

		# Bitratenbegrenzung
		if [ "$POST_traffic_limit" == "on" ] ; then
			uci -q set "simple-tc.example.ifname=wan"
			uci -q set "simple-tc.example.enabled=1"
		else
			uci -q set "simple-tc.example.enabled=0"
		fi
		uci -q set "simple-tc.example.limit_ingress=${POST_limit_ingress}"
		uci -q set "simple-tc.example.limit_egress=${POST_limit_egress}"

		uci commit

		MSG='<span class="green">Daten gespeichert! - Bitte Router neustarten.</span>'
	fi
fi
%>
<%in /www/ssl/cgi-bin/header %>
<%in /www/ssl/cgi-bin/helpers %>
<%
# read
if [ "$(uci -q get 'simple-tc.example.enabled')" == "1" ] ; then
	traffic_checked='checked="checked" '
else
	traffic_checked=""
fi
%>
<% show_msg %>
<form method="post">
<table style="width: 100%;">
<tr><td>
<fieldset style="min-height: 13em;">
	<legend>Allgemeine Einstellungen</legend>
	<table>
		<tr><th>Knotenname:</th><td><input type="text" name="hostname" value="<%= ${HOSTNAME} %>" /></td></tr>
		<tr><th>Knotenbeschreibung:</th><td><input type="text" name="description" value="<%= $(uci -q get 'system.@system[0].description') %>" /></td></tr>
		<tr><th>GPS Breitengrad:</th>
			<td><input type="text" name="latitude" value="<%= $(uci -q get 'system.@system[0].latitude') %>" /></td>
			<td rowspan="2" style="vertical-align: middle;">
				<button type="button" style="height: 100%; width: 126px; margin-left: 5px;" onclick="window.open('/map.html', '_blank', 'location=0,status=0,scrollbars=1,width=400,height=300');">Position auf Karte anzeigen / setzen</button>
			</td>
		</tr>
		<tr><th>GPS L&auml;ngengrad:</th><td><input type="text" name="longitude" value="<%= $(uci -q get 'system.@system[0].longitude') %>" /></td></tr>
		<tr><th>Standortbeschreibung:</th><td><input type="text" name="position_comment" value="<%= $(uci -q get 'system.@system[0].position_comment') %>" /></td></tr>
		<tr><th>E-Mail Adresse:</th><td><input type="email" name="contact" value="<%= $(uci -q get 'system.@system[0].contact') %>" /></td></tr>
	</table>
</fieldset>
</td><td>
<fieldset style="min-height: 13em;" class="smallinput">
	<legend>Bitratenbegrenzung</legend>
	<table>
		<tr><th>Aktiviert:</th><td colspan="2">
			<input type="checkbox" name="traffic_limit" <%= ${traffic_checked} %>/>
		</td></tr>
		<tr><th>Freifunk&nbsp;Download:</th><td><input type="text" name="limit_ingress" value="<%= $(uci -q get 'simple-tc.example.limit_ingress') %>" /></td><td>kbit/s</td></tr>
		<tr><th>Freifunk&nbsp;Upload:</th><td><input type="text" name="limit_egress" value="<%= $(uci -q get 'simple-tc.example.limit_egress') %>" /></td><td>kbit/s</td></tr>
	</table>
</fieldset>
</td></tr>
</table>
<p><input type="submit" style="margin-top: 5px; margin-left: 3px;" /></p>
</form>
<%in /www/ssl/cgi-bin/footer %>