diff options
Diffstat (limited to 'perl-install/network/shorewall.pm')
| -rw-r--r-- | perl-install/network/shorewall.pm | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/perl-install/network/shorewall.pm b/perl-install/network/shorewall.pm deleted file mode 100644 index fe5c2678a..000000000 --- a/perl-install/network/shorewall.pm +++ /dev/null @@ -1,172 +0,0 @@ -package network::shorewall; # $Id$ - - - - -use detect_devices; -use network::netconnect; -use network::ethernet; -use network::network; -use run_program; -use common; -use log; - - -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 get_default_device() { - my $netcnx = {}; - my $netc = {}; - my $intf = {}; - network::netconnect::read_net_conf($netcnx, $netc, $intf); - network::tools::get_default_gateway_interface($netc, $intf); -} - -sub get_net_device() { - my $default_dev = get_default_device(); - $default_dev =~ /^ippp/ && "ippp+" || - $default_dev =~ /^ppp/ && "ppp+" || - $default_dev; -} - -sub default_interfaces_silent() { - my %conf; - my @l = detect_devices::getNet() or return; - if (@l == 1) { - $conf{net_interface} = $l[0]; - } else { - $conf{net_interface} = get_net_device() || $l[0]; - $conf{loc_interface} = [ grep { $_ ne $conf{net_interface} } @l ]; - } - \%conf; -} - -sub default_interfaces { - my ($in) = @_; - my %conf; - my $card_netconnect = get_net_device() || "eth0"; - log::l("[drakgw] Information from netconnect: ignore card $card_netconnect"); - - my @l = detect_devices::getNet() or return; - - my $modules_conf = modules::any_conf->read; - my @all_cards = network::ethernet::get_eth_cards($modules_conf); - my %net_devices = network::ethernet::get_eth_cards_names(@all_cards); - put_in_hash(\%net_devices, { 'ppp+' => 'ppp+', 'ippp+' => 'ippp+' }); - - $in->ask_from('', - N("Please enter the name of the interface connected to the internet. - -Examples: - ppp+ for modem or DSL connections, - eth0, or eth1 for cable connection, - ippp+ for a isdn connection. -"), - [ { label => N("Net Device"), val => \$card_netconnect, list => [ sort keys %net_devices ], format => sub { $net_devices{$_[0]} || $_[0] }, not_edit => 0 } ]); - - $conf{net_interface} = $card_netconnect; - $conf{loc_interface} = [ grep { $_ ne $conf{net_interface} } @l ]; - \%conf; -} - -sub read { - my ($o_in) = @_; - my %conf = (disabled => !glob_("$::prefix/etc/rc3.d/S*shorewall"), - 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, $o_in ? default_interfaces($o_in) : default_interfaces_silent()); - - $conf{net_interface} && \%conf; -} - -sub write { - my ($conf) = @_; - my $default_dev = get_default_device(); - my $use_pptp = $default_dev =~ /^ppp/ && cat_("$::prefix/etc/ppp/peers/$default_dev") =~ /pptp/; - my $squid_port = network::network::read_squid_conf()->{http_port}[0]; - - my %ports_by_proto; - foreach (split ' ', $conf->{ports}) { - m!^(\d+(:\d+)?)/(udp|tcp|icmp)$! or die "bad port $_\n"; - push @{$ports_by_proto{$3}}, $1; - } - - set_config_file("zones", - [ 'net', 'Net', 'Internet zone' ], - if_($conf->{loc_interface}[0], [ 'loc', 'Local', 'Local' ]), - ); - set_config_file('interfaces', - [ 'net', $conf->{net_interface}, 'detect' ], - (map { [ 'loc', $_, 'detect' ] } @{$conf->{loc_interface} || []}), - ); - set_config_file('policy', - if_($conf->{loc_interface}[0], [ 'loc', 'net', 'ACCEPT' ], [ 'loc', 'fw', 'ACCEPT' ], [ 'fw', 'loc', 'ACCEPT' ]), - [ 'fw', 'net', 'ACCEPT' ], - [ 'net', 'all', 'DROP', 'info' ], - [ 'all', 'all', 'REJECT', 'info' ], - ); - set_config_file('rules', - if_($use_pptp, [ 'ACCEPT', 'fw', 'loc:10.0.0.138', 'tcp', '1723' ]), - if_($use_pptp, [ 'ACCEPT', 'fw', 'loc:10.0.0.138', 'gre' ]), - (map { - map_each { [ 'ACCEPT', $_, 'fw', $::a, join(',', @$::b), '-' ] } %ports_by_proto; - } ('net', if_($conf->{loc_interface}[0], 'loc'))), - ); - if (cat_("/etc/shorewall/rules") !~ /^\s*REDIRECT\s*loc\s*$squid_port\s+(\S+)/mg && $squid_port && -f "/var/run/squid.pid" && grep { /Loc/i } cat_("/etc/shorewall/zones")) { - substInFile { - s/#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE/REDIRECT\tloc\t$squid_port\ttcp\twww\t-\nACCEPT\tfw\tnet\ttcp\twww\n#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE/; - } "/etc/shorewall/rules"; -} - set_config_file('masq', - $conf->{masquerade} ? [ $conf->{net_interface}, $conf->{masquerade}{subnet} ] : (), - ); - - if ($conf->{disabled}) { - run_program::rooted($::prefix, 'chkconfig', '--del', 'shorewall'); - run_program::run('service', '>', '/dev/null', 'shorewall', 'stop') if $::isStandalone; - } else { - run_program::rooted($::prefix, 'chkconfig', '--add', 'shorewall'); - run_program::run('service', '>', '/dev/null', 'shorewall', 'restart') if $::isStandalone; - } -} - -1; - |