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#!/usr/bin/perl
#
# $Id: ndiff2html,v 1.3 2000/12/17 09:42:54 levine Exp $
#
# Copyright (c) 2000 James D. Levine (jdl@vinecorp.com)
#
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
#
####################################################################
use strict;
use PortScan::ScannedHost;
use Getopt::Long;
my $embed = 0; # if !0 output embeddable html fragment;
# otherwise output a full html page
my $help = 0;
sub usage
{
print <<DONE;
ndiff -b <baseline> -o <observed> -fmt machine | ndiff2html [-e|-embed]
HINT: let ndiff run ndiff2html for you -- try "ndiff -fmt html" or "ndiff -fmt htmle"
DONE
;
exit 1;
}
GetOptions(
"e|embed!" => \$embed,
"h|help!" => \$help,
);
&usage() if $help || scalar( @ARGV );
my %new;
my %missing;
my %changed;
$\ = "\n";
LINE:
while( <> )
{
/^new:\s*(\S*):\s*(.*)/ &&
do
{
$new{$1} = [split / /, $2];
next LINE;
};
/^missing:\s*(\S*):\s*(.*)/ &&
do
{
$missing{$1} = [split / /, $2];
next LINE;
};
/^changed:\s*(\S*):\s*(.*)/ &&
do
{
$changed{$1} = [split / /, $2];
next LINE;
};
}
print "<HTML><HEAD></HEAD><BODY>" if ( ! $embed );
print "<CENTER>";
print "<A NAME=\"top\"></A>";
print "<A HREF=\"#new\">New Hosts</A><BR>";
print "<A HREF=\"#missing\">Missing Hosts</A><BR>";
print "<A HREF=\"#changed\">Changed Hosts</A><BR>";
print "<P><HR>";
print "<A NAME=\"new\"></A>";
{
print "<FONT SIZE=\"+2\">New Hosts</FONT><BR>";
print "<I>[ previously un-observed hosts found in the more recent scan<BR>-- all interesting ports shown ]</I><BR><P>";
if ( scalar( keys %new ) )
{
print "<TABLE BORDER=\"1\">";
# while ( my ($host, $ports) = each %new )
foreach my $host ( PortScan::ScannedHost::sorted_ip_scalar_list( keys %new ) )
{
my $ports = $new{$host};
host_to_tr( $host, $ports );
}
print "</TABLE>";
}
else
{
print "none";
}
}
print "<P><A HREF=\"#top\">back to top</A><BR>";
print "<P><HR>";
print "<A NAME=\"missing\"></A>";
{
print "<BR><BR><FONT SIZE=\"+2\">Missing Hosts</FONT><BR>";
print "<I>[ previously observed hosts missing from the more recent scan<BR>-- no original ports shown ]</I><BR><P>";
if ( scalar( keys %missing ) )
{
print "<TABLE BORDER=\"1\">";
# while ( my ($host, $ports) = each %missing )
foreach my $host ( PortScan::ScannedHost::sorted_ip_scalar_list( keys %missing ) )
{
my $ports = $missing{$host};
host_to_tr( $host, $ports );
}
print "</TABLE>";
}
else
{
print "none";
}
}
print "<P><A HREF=\"#top\">back to top</A><BR>";
print "<P><HR>";
print "<A NAME=\"changed\"></A>";
{
print "<BR><BR><FONT SIZE=\"+2\">Changed Hosts</FONT><BR>";
print "<I>[ hosts which have changed since the original scan<BR>-- interesting changed ports shown ]</I><BR><P>";
if ( scalar( keys %changed ) )
{
print "<TABLE BORDER=\"1\">";
# while ( my ($host, $ports) = each %changed )
foreach my $host ( PortScan::ScannedHost::sorted_ip_scalar_list( keys %changed ) )
{
my $ports = $changed{$host};
changed_host_to_tr( $host, $ports );
}
print "</TABLE>";
}
else
{
print "none";
}
}
print "<P><A HREF=\"#top\">back to top</A><BR>";
print "<HR><P><I><FONT SIZE=\"-1\">Generated by ndiff2html " . `date` . "</FONT></I>"
if !$embed;
print "</CENTER>";
print "</BODY></HTML>" if ( ! $embed );
sub host_to_tr
{
my ($host, $ports) = @_;
print "<TR><TH ALIGN=\"CENTER\" COLSPAN=\"5\">$host</TH><TR>";
print "<TR><TD>Port</TD><TD>Protocol</TD><TD>Service Name</TD><TD>State</TD></TR>"
if ( scalar(@$ports) );
foreach my $port (sort compare_port @$ports)
{
my ($port, $proto, $name, $state, $state_sm) = split( /\//, $port );
printf
"<TR><TD>%s </TD><TD>%s </TD><TD>%s </TD><TD>%s </TD></TR>",
$port, $proto, $name, $state;
}
}
sub changed_host_to_tr
{
my ($host, $ports) = @_;
print "<TH ALIGN=\"CENTER\" COLSPAN=\"5\">$host</TH>";
print "<TR><TD>Port</TD><TD>Protocol</TD><TD>Service Name</TD><TD>Original State</TD><TD>Observed State</TD></TR>";
foreach my $port ( sort compare_port @$ports)
{
chomp $port;
my ($port, $proto, $name, $base_state, $obs_state) = split( /\//, $port );
printf
"<TR><TD>%s </TD><TD>%s </TD><TD>%s </TD><TD>%s </TD><TD>%s </TD></TR>",
$port, $proto, $name, $base_state, $obs_state;
}
}
sub compare_port
{
my ($aport, $aproto) = split( /\//, $a );
my ($bport, $bproto) = split( /\//, $b );
if ( $aproto eq $bproto )
{
return $aport <=> $bport;
}
return -1 if $aproto eq "tcp";
return 1;
}
=head1 NAME
ndiff2html - produce html from ndiff machine-format output
=head1 SYNOPSIS
ndiff -b <baseline> -o <observed> -fmt machine | ndiff2html [-e|-embed]
=head1 DESCRIPTION
ndiff2html is a filter which makes an html table from ndiff machine-format output,
generated as shown above. Input is taken from STDIN, and output is sent to STDOUT.
Usually ndiff2html is run directly from within ndiff. See L<ndiff> for more
information.
=head1 OPTIONS
=over 4
=item -e
=item -embed
Specifies the html output should be an html fragment rather than a full html document.
=head1 AUTHOR
James Levine <jdl@vinecorp.com>
=cut
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