Captive-Portal: add web-part

[ipfire-2.x.git] / html / html / captive / index.cgi

diff --git a/html/html/captive/index.cgi b/html/html/captive/index.cgi
new file mode 100755 (executable)
index 0000000..cf84acf
--- /dev/null
+++ b/html/html/captive/index.cgi
@@ -0,0 +1,66 @@
+#!/usr/bin/perl
+###############################################################################
+#                                                                             #
+# IPFire.org - A linux based firewall                                         #
+# Copyright (C) 2016 Alexander Marx alexander.marx@ipfire.org                 #
+#                                                                             #
+# This program is free software: you can redistribute it and/or modify        #
+# it under the terms of the GNU General Public License as published by        #
+# the Free Software Foundation, either version 3 of the License, or           #
+# (at your option) any later version.                                         #
+#                                                                             #
+# This program is distributed in the hope that it will be useful,             #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
+# GNU General Public License for more details.                                #
+#                                                                             #
+# You should have received a copy of the GNU General Public License           #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
+#                                                                             #
+###############################################################################
+
+use strict;
+use URI::Escape;
+use CGI::Carp qw(fatalsToBrowser);
+
+require '/var/ipfire/general-functions.pl';
+
+my $url = "http://$ENV{'SERVER_NAME'}$ENV{'REQUEST_URI'}";
+my $safe_url = uri_escape($url);
+my $settings="${General::swroot}/captive/settings";
+my $ethernet="${General::swroot}/ethernet/settings";
+my %settingshash=();
+my %ethernethash=();
+my $green_ip;
+my $green_mask;
+my $blue_ip;
+my $blue_mask;
+my $target;
+#Read settings
+&General::readhash("$settings", \%settingshash) if(-f $settings);
+&General::readhash("$ethernet", \%ethernethash) if(-f $ethernet);
+
+#Get Clients IP-Address
+my $ip_address = $ENV{X_FORWARDED_FOR} || $ENV{REMOTE_ADDR} ||"";
+
+if($settingshash{'ENABLE_GREEN'} eq "on" && $ethernethash{'GREEN_ADDRESS'} ne ''){
+               $green_ip=$ethernethash{'GREEN_ADDRESS'};
+               $green_mask=$ethernethash{'GREEN_NETMASK'};
+               
+               if (&General::IpInSubnet($ip_address,$ethernethash{'GREEN_ADDRESS'},$ethernethash{'GREEN_NETMASK'})){
+                       $target = $green_ip;
+               }
+}elsif($settingshash{'ENABLE_BLUE'} eq "on" &&$ethernethash{'BLUE_ADDRESS'} ne '' ){
+               $blue_ip=$ethernethash{'BLUE_ADDRESS'};
+               $blue_mask=$ethernethash{'BLUE_NETMASK'};
+               
+               if (&General::IpInSubnet($ip_address,$ethernethash{'BLUE_ADDRESS'},$ethernethash{'BLUE_NETMASK'})){
+                       $target = $blue_ip;
+               }
+}else{
+       exit 0;
+}
+
+print "Status: 302 Moved Temporarily\n";
+print "Location: http://$target:1013/cgi-bin/index.cgi?redirect=$safe_url\n";
+print "Connection: close\n\n";