APPENDICES SECTION APPENDIX C
414 8E6 TECHNOLOGIES, PROXYBLOCKER USER GUIDE

CGI written in Perl

There are two methods for CGI written in Perl: One lets you

embed data in the query string to pass data to the Options

CGI, and the other lets you use Java Script to post form data

to the Options CGI.

Embed data in query string

#!/usr/bin/perl
# Original Filename: cusp_block1.cgi
# File Type: CGI
# Description: Sample Perl script for ProxyBlocker customized
block page
# Replace the <ProxyBlocker IP> with the real IP before using.
# This script provide data to the options CGI through query string
# Revision: 1
# Date: 03/08/2004
$method = $ENV{'REQUEST_METHOD'};
if ($method=~ /post/i) {
$string = <STDIN>;
} else {
$string= $ENV{"QUERY_STRING"};
}
$url = $1 if ($string =~ /URL=(\S+)&IP=/i);
$ip = $1 if ($string =~ /IP=(\S+)&CAT=/i);
$cat = $1 if ($string =~ /CAT=(\S+)&USER=/i);
$user = $1 if ($string =~ /USER=(\S+)/i);
print "Content-type: text/html\n\n";
print "<html>\n";
print "<head>\n";
print "</head>\n";
print "<body>\n";
print "<br>ProxyBlocker Customized Block Page (CGI written with
Perl)<br>\n";
print "URL: $url<br>\n";
print "IP: $ip<br>\n";
print "CAT: $cat<br>\n";
print "USER: $user<br>\n";