| Fwctl documentation | Contained in the Fwctl distribution. |
Fwctl::Services::pcanywhere - Fwctl module to handle the PC Anywhere protocol.
accept pcanywhere -src INT_NET -dst REMOTE -masq -account -name PCA
This module encapsulates the different TCP and UDP connections used by the PC Anywhere protocol. Use the -old option to use the older set of non registered ports.
Francis J. Lacoste <francis.lacoste@iNsu.COM>
Copyright (c) 1999,2000 iNsu Innovations Inc. All rights reserved.
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.
fwctl(8) Fwctl(3) Fwctl::RuleSet(3)
| Fwctl documentation | Contained in the Fwctl distribution. |
# # pcanywhere.pm: Fwctl service module to handle the PC Anywhere protocol. # # This file is part of Fwctl. # # Author: Francis J. Lacoste <francis@iNsu.COM> # # Copyright (c) 1999,2000 iNsu Innovations Inc. # # 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. # package Fwctl::Services::pcanywhere; use strict; use Fwctl::RuleSet qw(:tcp_rulesets :udp_rulesets :masq :ports); use IPChains; sub new { my $proto = shift; my $class = ref $proto || $proto; bless {}, $class; } sub prototypes { my ($self,$target,$options) = @_; # Build prototype rule my ($udp_port,$tcp_port); if ( $options->{old} ) { $udp_port = 22; $tcp_port = 65301; } else { $udp_port = 5632; $tcp_port = 5631; } ( IPChains->new( Rule => $target, Prot => 'udp', SourcePort => UNPRIVILEGED_PORTS, DestPort => $udp_port, %{$options->{ipchains}}, ), IPChains->new( Rule => $target, Prot => 'tcp', SourcePort => UNPRIVILEGED_PORTS, DestPort => $tcp_port, %{$options->{ipchains}}, ), ); } sub block_rules { my $self = shift; my ( $target, $src, $src_if, $dst, $dst_if, $options ) = @_; my ( $udp, $tcp ) = $self->prototypes( $target, $options ); block_udp_ruleset( $udp, $src, $src_if, $dst, $dst_if ); block_tcp_ruleset( $tcp, $src, $src_if, $dst, $dst_if ); } sub accept_rules { my $self = shift; my ( $target, $src, $src_if, $dst, $dst_if, $options ) = @_; my ( $udp, $tcp ) = $self->prototypes( $target, $options ); my $masq = defined $options->{portfw} ? PORTFW : $options->{masq} ? MASQ : NOMASQ; accept_udp_ruleset( $udp, $src, $src_if, $dst, $dst_if, $masq, $options->{portfw} ); accept_tcp_ruleset( $tcp, $src, $src_if, $dst, $dst_if, $masq, $options->{portfw} ); } sub account_rules { my $self = shift; my ( $target, $src, $src_if, $dst, $dst_if, $options ) = @_; my ( $udp, $tcp ) = $self->prototypes( $target, $options ); my $masq = defined $options->{portfw} ? PORTFW : $options->{masq} ? MASQ : NOMASQ; acct_udp_ruleset( $udp, $src, $src_if, $dst, $dst_if, $masq, $options->{portfw} ); acct_tcp_ruleset( $tcp, $src, $src_if, $dst, $dst_if, $masq, $options->{portfw} ); } sub valid_options { my $self = shift; ( ); } 1;