diff options
Diffstat (limited to 'perl-install/network/shorewall.pm')
| -rw-r--r-- | perl-install/network/shorewall.pm | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/perl-install/network/shorewall.pm b/perl-install/network/shorewall.pm deleted file mode 100644 index 4cbc6e74d..000000000 --- a/perl-install/network/shorewall.pm +++ /dev/null @@ -1,140 +0,0 @@ -package network::shorewall; # $Id$ - - - - -use detect_devices; -use network::netconnect; -use run_program; -use common; -use log; - -my @drakgw_ports = qw(domain bootps http https 631 imap pop3 smtp nntp ntp); -# Ports for CUPS (631), LPD/LPRng (515), SMB (137, 138, 139) -my @internal_ports = qw(631 515 137 138 139); - -sub check_iptables { - my ($in) = @_; - - my $existing_config = -f "$::prefix/etc/sysconfig/iptables"; - - $existing_config ||= $::isStandalone && do { - system('modprobe iptable_nat'); - -x '/sbin/iptables' && listlength(`/sbin/iptables -t nat -nL`) > 8; - }; - - !$existing_config || $in->ask_okcancel(N("Firewalling configuration detected!"), - N("Warning! An existing firewalling configuration has been detected. You may need some manual fixes after installation.")); -} - -sub set_config_file { - my ($file, @l) = @_; - - my $done; - substInFile { - if (!$done && (/^#LAST LINE/ || eof)) { - $_ = join('', map { join("\t", @$_) . "\n" } @l) . $_; - $done = 1; - } else { - $_ = '' if /^[^#]/; - } - } "$::prefix/etc/shorewall/$file"; -} - -sub get_config_file { - my ($file) = @_; - map { [ split ' ' ] } grep { !/^#/ } cat_("$::prefix/etc/shorewall/$file"); -} - -sub default_interfaces() { - my %conf; - - my @l = detect_devices::getNet() or return; - if (@l == 1) { - $conf{net_interface} = $l[0]; - } else { - $conf{net_interface} = network::netconnect::get_net_device() || $l[0]; - $conf{loc_interface} = [ grep { $_ ne $conf{net_interface} } @l ]; - } - \%conf; -} - -sub read() { - my %conf; - - $conf{disabled} = !glob_("$::prefix/etc/rc3.d/S*shorewall"); - - $conf{ports} = - join(' ', map { - my $e = $_; - map { "$_/$e->[3]" } split(',', $e->[4]); - } grep { $_->[0] eq 'ACCEPT' && $_->[1] eq 'net' } get_config_file('rules')); - - if (my ($e) = get_config_file('masq')) { - $conf{masquerade}{subnet} = $e->[1] if $e->[1]; - } - put_in_hash(\%conf, default_interfaces()); - foreach (get_config_file('interfaces')) { - my ($name, $interface) = @$_; - if ($name eq 'masq') { - $conf{masquerade}{interface} = $interface; - $conf{loc_interface} = [ difference2($conf{loc_interface}, [$interface]) ]; - } - } - $conf{net_interface} && \%conf; -} - -sub write { - my ($conf) = @_; - my $connect_file = "/etc/sysconfig/network-scripts/net_cnx_up"; - - my %ports_by_proto; - foreach (split ' ', $conf->{ports}) { - m!^(\d+)/(udp|tcp)$! or die "bad port $_\n"; - push @{$ports_by_proto{$2}}, $1; - } - - set_config_file("zones", - [ 'net', 'Net', 'Internet zone' ], - if_($conf->{masquerade}, [ 'masq', 'Masquerade', 'Masquerade Local' ]), - if_($conf->{loc_interface}, [ 'loc', 'Local', 'Local' ]), - ); - set_config_file('interfaces', - [ 'net', $conf->{net_interface}, 'detect' ], - $conf->{masquerade} ? [ 'masq', $conf->{masquerade}{interface}, 'detect' ] : (), - (map { [ 'loc', $_, 'detect' ] } @{$conf->{loc_interface} || []}), - ); - set_config_file('policy', - if_($conf->{masquerade}, [ 'masq', 'net', 'ACCEPT' ]), - if_($conf->{loc_interface}, [ 'loc', 'net', 'ACCEPT' ]), - [ 'fw', 'net', 'ACCEPT' ], - [ 'net', 'all', 'DROP', 'info' ], - [ 'all', 'all', 'REJECT', 'info' ], - ); - set_config_file('rules', - if_(cat_("$::prefix$connect_file") =~ /pptp/, [ 'ACCEPT', 'fw', 'loc:10.0.0.138', 'tcp', '1723' ]), - if_(cat_("$::prefix$connect_file") =~ /pptp/, [ 'ACCEPT', 'fw', 'loc:10.0.0.138', 'gre' ]), - (map { - map_each { [ 'ACCEPT', $_, 'fw', $::a, join(',', @$::b), '-' ] } %ports_by_proto - } ('net', if_($conf->{masquerade}, 'masq'), if_($conf->{loc_interface}, 'loc'))), - if_($conf->{masquerade}, map { [ 'ACCEPT', 'masq', 'fw', $_, join(',', @drakgw_ports), '-' ] } 'tcp', 'udp'), - if_($conf->{masquerade}, map { [ 'ACCEPT', 'fw', 'masq', $_, join(',', @internal_ports), '-' ] } 'tcp', 'udp'), - ); - set_config_file('masq', - $conf->{masquerade} ? [ $conf->{net_interface}, $conf->{masquerade}{subnet} ] : (), - ); - system('uniq /etc/shorewall/masq > /etc/shorewall/masq.uniq'); - rename("/etc/shorewall/masq.uniq", "/etc/shorewall/masq"); - - if ($conf->{disabled}) { - run_program::rooted($::prefix, 'chkconfig', '--del', 'shorewall'); - run_program::run('service', '>', '/dev/null', 'shorewall', 'stop') if $::isStandalone; - run_program::run('service', '>', '/dev/null', 'shorewall', 'clear') if $::isStandalone; - } else { - run_program::rooted($::prefix, 'chkconfig', '--add', 'shorewall'); - run_program::run('service', '>', '/dev/null', 'shorewall', 'restart') if $::isStandalone; - } -} - -1; - |