Splash Screen first implementation. Only wifi-ap is splashed. After click user can use the ap 6000 seconds. Splashed users stored in uci file

6 files changed, 118 insertions, 0 deletions

diff --git a/files/etc/config/splash_users b/files/etc/config/splash_users
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/files/etc/config/splash_users
@@ -0,0 +1 @@
+
diff --git a/files/etc/config/uhttpd b/files/etc/config/uhttpd
new file mode 100644
index 0000000..a424463
--- /dev/null
+++ b/files/etc/config/uhttpd
@@ -0,0 +1,39 @@
+# Server configuration
+config uhttpd main
+
+	# HTTP listen addresses, multiple allowed
+	list listen_http	0.0.0.0:80
+	# Server document root
+	option home		/www
+	option error_page 	/splash.html
+	option index_page	splash.html
+	# Reject requests from RFC1918 IP addresses
+	# directed to the servers public IP(s).
+	# This is a DNS rebinding countermeasure.
+	option rfc1918_filter 1
+
+	# CGI url prefix, will be searched in docroot.
+	# Default is /cgi-bin
+	option cgi_prefix	/cgi-bin
+
+	# CGI/Lua timeout, if the called script does not
+	# write data within the given amount of seconds,
+	# the server will terminate the request with
+	# 504 Gateway Timeout response.
+	option script_timeout	60
+
+	# Network timeout, if the current connection is
+	# blocked for the specified amount of seconds,
+	# the server will terminate the associated
+	# request process.
+	option network_timeout	30
+
+	# TCP Keep-Alive, send periodic keep-alive probes
+	# over established connections to detect dead peers.
+	# The value is given in seconds to specify the
+	# interval between subsequent probes.
+	# Setting this to 0 will disable TCP keep-alive.
+	option tcp_keepalive	1
+
+
+
diff --git a/files/etc/crontabs/root b/files/etc/crontabs/root
index cfac6b1..bf3cb9e 100644
--- a/files/etc/crontabs/root
+++ b/files/etc/crontabs/root
@@ -1 +1,2 @@
 * * * * * /sbin/test_gateway > /dev/null
+* * * * * /sbin/splash_sync > /dev/null
diff --git a/files/sbin/splash_sync b/files/sbin/splash_sync
new file mode 100755
index 0000000..8299f97
--- /dev/null
+++ b/files/sbin/splash_sync
@@ -0,0 +1,43 @@
+#!/bin/sh
+. $IPKG_INSTROOT/etc/functions.sh
+x=0
+config_load splash_users
+test=1
+splash_check() {
+   timeout=6000
+   current_time=`date +%s`
+   config_get ip "$1" ip
+   config_get time "$1" time
+   local config="$1" 
+   echo Vergleich Jetzt `date +%s` gespeichert $time
+   let time_check=$time+$timeout
+   if [ $time_check -gt  $current_time ]; then
+   	# User ist noch gesplashed
+   	echo User ist noch gesplashed
+   	iptables  -t nat -D ffj_splash -s $ip -j ACCEPT
+   	iptables  -t nat -I ffj_splash 1 -s $ip -j ACCEPT
+   else
+   	# User is not longer splashed / the user must click again
+   	iptables -t nat -D ffj_splash -s $ip -j ACCPET
+   	uci delete splash_users.@user[$x].ip
+   	uci delete splash_users.@user[$x].time
+   	uci delete splash_users.@user[$x]     
+   	uci commit
+   fi
+   let x=$x+1
+}
+#chain refresh
+iptables -t nat -D zone_mesh_prerouting -p tcp -j ffj_splash 
+iptables -t nat -F ffj_splash
+iptables -t nat -X ffj_splash 
+#recreation
+iptables -t nat -N ffj_splash
+iptables -t nat -I zone_mesh_prerouting 1 -p tcp -j ffj_splash
+config_foreach splash_check user
+#iptables -t nat -D ffj_splash -p tcp -j DNAT --to 10.17.200.1:80
+iptables -t nat -A ffj_splash -p tcp -j DNAT --to 10.17.200.1:80
+#iptables -t nat -D ffj_splash -j DROP
+#iptables -t nat -A ffj_splash -j DROP
+
+                                               
+
diff --git a/files/www/cgi-bin/splash_click b/files/www/cgi-bin/splash_click
new file mode 100755
index 0000000..32fce2e
--- /dev/null
+++ b/files/www/cgi-bin/splash_click
@@ -0,0 +1,31 @@
+#!/bin/sh
+echo -en "Status: 302 Temporary Redirect\r\n"
+echo -en "Location: http://www.freifunk-jena.de\r\n"
+echo -en "\r\n"
+                                    
+. $IPKG_INSTROOT/etc/functions.sh
+ISSPLASHED=0
+config_load splash_users
+is_ip() {
+   config_get ip "$1" ip
+   if [ "$ip" == "$REMOTE_HOST" ]; then
+   	ISSPLASHED=1
+   fi
+}
+#check if user is alredy splashed
+config_foreach is_ip user
+
+if [ $ISSPLASHED -eq 1 ]; then
+	exit
+fi
+#User is now free to go
+iptables  -t nat -I ffj_splash 1 -s $REMOTE_HOST -j ACCEPT
+uci add splash_users user
+uci set splash_users.@user[-1].ip=$REMOTE_HOST
+uci set splash_users.@user[-1].time=`date +%s`
+uci -q commit > /dev/null
+exit 0
+
+
+                                               
+
diff --git a/files/www/splash.html b/files/www/splash.html
new file mode 100644
index 0000000..89e0736
--- /dev/null
+++ b/files/www/splash.html
@@ -0,0 +1,3 @@
+<h1>Splashpage</h1>
+
+<a href="/cgi-bin/splash_click?accept">Aktzeptieren</a> <a href="#">Ablehnen</a>