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#!/usr/bin/perl
#
# $Id: ScanSet.pm,v 1.10 2001/11/24 22:28:15 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;
package PortScan::ScanSet;
sub new
{
my ($type, $tag, $hosts, $properties, $ports) = @_;
$hosts = {} if !defined $hosts;
$properties = {} if !defined $properties;
$ports = {} if !defined $ports;
my $self =
{
tag => $tag, # identifying tag for the scanset used by DataStore
properties => $properties, # hash of key to value mappings
hosts => $hosts, # hash of IP (dotted-quad text) to ScannedHost mappings
all_scanned_ports => $ports, # hash of PortSpec::key_for() to PortSpec mappings
# dummy PortSpecs for all ports scanned
};
bless $self, $type;
return $self;
}
# private util to output a hash
sub hash_to_text
{
my $h = shift;
my $t;
while (my ($k, $v) = each %$h)
{
$t .= "`${k}' -> `${v}'\n";
}
$t;
}
# outputs a ScanSet in human readable form
sub to_text
{
my $self = shift;
return
"tag: " . $self->{tag} . "\n"
. "properties:\n"
. hash_to_text($self->{properties})
. "hosts:\n"
. hash_to_text($self->{hosts})
;
}
# generic accessor
sub set_or_get
{
my $field = shift;
my $self = shift;
my $val = shift;
$self->{$field} = $val if defined $val;
return $self->{$field};
}
# set/get the tag associated with the set
sub tag
{
return set_or_get('tag', @_);
}
# clones this instance
sub clone_deep
{
my( $self, $from, $when, $tag1, $tag2 ) = @_;
my $hosts = {};
my $properties = {};
my ($k, $v);
my $h = $self->hosts();
while ( ($k, $v) = each %$h )
{
$hosts->{$k} = $v->clone();
}
my $p = $self->{properties};
while ( ($k, $v) = each %$p)
{
$properties->{$k} = $v;
}
return new ScanSet($from, $when, $tag1, $tag2, $hosts, $properties);
}
# set an arbitrary piece of metadata
sub set_property
{
my( $self, $k, $v ) = @_;
$self->{properties}->{$k} = $v;
}
# retrieve a piece of metadata by name
sub get_property
{
my( $self, $k ) = @_;
$self->{$k};
}
# set/get the hash of hosts in the set
sub hosts { return set_or_get('hosts', @_); }
# set/get the hash of metadata
sub properties { return set_or_get('properties', @_); }
# set/get the hash of all ports scanned
sub all_scanned_ports { return set_or_get('all_scanned_ports', @_); }
# TODO: where is this used??
sub prune
{
my( $self ) = shift;
my $hosts = $self->hosts;
while( my( $name, $host ) = each %$hosts )
{
print "------------> prune: processing $name \n";
my $portspecs = $host->port_specs();
my @ports = keys %$portspecs;
print "default_state is " . $host->default_state . " \n";
print "number of ports is $#ports \n";
if( ( $host->default_state eq "unknown" ) &&
( $#ports == -1 )
)
{
print "prune: removing $name \n";
$self->remove_host( $name )
}
}
}
# adds a PortScan::PortSpec instance to the master set of scanned ports
sub add_scanned_port
{
my( $self, $spec ) = @_;
$self->all_scanned_ports()->{$spec->key_for()} = $spec;
}
# returns the list of hosts (PortScan::ScannedHost) sorted in IP address order
sub hosts_sorted_list
{
my $self = shift;
return PortScan::ScannedHost::sorted_list values %{$self->hosts()};
}
# add a ScannedHost instance
sub add_host
{
my( $self, $scanned_host ) = @_;
$self->hosts()->{ $scanned_host->addr() } = $scanned_host;
$scanned_host->scan_set($self);
}
# remove a ScannedHost instance identified by its IP address in dotted-quad
# text rep
sub remove_host
{
my( $self, $addr ) = @_;
delete $self->hosts()->{$addr};
}
# retrieve a ScannedHost instance identified by its IP address in dotted-quad
# text rep
sub get_host
{
my( $self, $addr ) = @_;
$self->hosts()->{$addr};
}
1;
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