referer.cgi
#!/usr/bin/perl @pairs = split(/&/, $ENV{'QUERY_STRING'}); foreach $pair (@pairs) { ($key, $value) = split (/=/, $pair); $key =~ tr/+/ /; $key =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg; $value =~ tr/+/ /; $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg; $value =~s/<!--(.|\n)*-->//g; if ($formdata{$key}) { $formdata{$key} .= ", $value"; } else { $formdata{$key} = $value; } } $origin = $ENV{'HTTP_REFERER'}; print "Content-type:text/html\n\n"; if ($origin =~ m#http://www.lawsonhelp.com/#) { print "The page that launched the script is on my server"; print "<P>The name you entered was $formdata{'name'}"; } else { print "You can't run this script from that location. Sorry."; }