#!/bin/sh -e
. /etc/splash.sh
. /www/service/cgi-bin/common.sh

# decode request params
URL="http://$(sed 's/target_url=//g' | urldecode || true)"
USER_MAC=$(grep ^$REMOTE_HOST </proc/net/arp \
	 | awk 'BEGIN { FS = " " } ; { print $4 }')
[ -n "$USER_MAC" ]

# check if user is already splashed; splash otherwise; refresh the
# p2ptbl entry in any case (renews the timer)
if [ -z "$(p2ptbl get $tbl "$USER_MAC")" ]; then
    if have_splash_iptable; then
	add_splash_iptable "$USER_MAC"
    fi
fi
add_splash_p2ptbl "$USER_MAC"

# send response (encode / to not confuse sed)

echo -en "Status: 200 OK\r
Content-Type: text/html\r
\r
"
if have_internet; then
    sed "s/targeturl/$(echo "$URL" | sed 's#/#\\/#g')/g" iframe.html
else
    cat internet.html
fi