#!/usr/bin/perl -w
use HTML::Parser;

#The following code deals with the form data
if ($ENV{'REQUEST_METHOD'} eq 'POST')
{
    read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'});
    @pairs =split(/&/, $buffer);
    
    foreach $pair (@pairs)
    {
        ($name, $value) = split(/=/, $pair);
        $value =~ tr/+/ /;
        $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
        $FORM{$name}= $value;
    }
}
#######instead of the above code use the CGI module.


#HTML::Parser stuff. Stolen from the HTML::Parser package's htext
#example
my $keyword;
my $hit;
my $title;
my %inside;
sub htmltag
{
   my($tag, $num) = @_;
   $inside{$tag} += $num;
}

sub htmltext
{
    return if $inside{script} || $inside{style};
    $title = $_[0] if ($inside{title});
    $hit = 1 if ($_[0] =~ /$keyword/);
}


my $parser = HTML::Parser->new( 'api_version' => 3,
		   'handlers'    => [start => [\&htmltag, "tagname, '+1'"],
				     end   => [\&htmltag, "tagname, '-1'"],
				     text  => [\&htmltext, "dtext"],
				    ],
			     'marked_sections' => 1);


$keyword=$FORM{keyword};

print "Content-type: text/html\n\n";
print "<h2> Here are the files we found</h2>\n\n";

chdir("/usr/local/etc/httpd");

opendir(DIR, ".");

while($file = readdir(DIR))
{
    next if ($file !~ /.htm/);
    $hit = 0;
    $title = "";
    %inside = ();
    open(FILE, $file) || die "couldnt open $!";
    $parser->parse(\*FILE)->eof;
    close(FILE);

    if($hit) {
      $title = $file unless ($title);
      print "<A HREF=/$file>$title</A><BR>";
      $listed=1;
    }
}