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authorPascal Rigaux <pixel@mandriva.com>2002-08-22 22:35:51 +0000
committerPascal Rigaux <pixel@mandriva.com>2002-08-22 22:35:51 +0000
commite9a69372aed3b1b5fa3cd2d721e39da132471195 (patch)
tree46676d04b64bbeff4dbfb390b0f02e2836095974 /perl-install/standalone/drakgw
parentcff09a0be9dd5ceb63b3a304f483f62e40be8f0f (diff)
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use shorewall (need testing)
Diffstat (limited to 'perl-install/standalone/drakgw')
-rwxr-xr-xperl-install/standalone/drakgw109
1 files changed, 23 insertions, 86 deletions
diff --git a/perl-install/standalone/drakgw b/perl-install/standalone/drakgw
index b31721dae..6362d11fa 100755
--- a/perl-install/standalone/drakgw
+++ b/perl-install/standalone/drakgw
@@ -30,6 +30,7 @@ use network;
use log;
use c;
use network::netconnect;
+use network::shorewall;
$::isInstall and die "Not supported during install.\n";
@@ -50,8 +51,8 @@ my $rc_firewall_drakgw = "/etc/rc.d/rc.firewall.inet_sharing";
my $rc_firewall_24 = "/etc/rc.d/rc.firewall.inet_sharing-2.4";
my $dhcpd_conf = "/etc/dhcpd.conf";
my $cups_conf = "/etc/cups/cupsd.conf";
-my $drakgw_setup = "/etc/sysconfig/inet_sharing";
+my $shorewall = network::shorewall::read();
my $in = 'interactive'->vnew('su', 'default');
@@ -88,23 +89,19 @@ sub start_daemons ()
sys("/etc/rc.d/init.d/network restart");
$netmon_need_start and system("$netmon --connect --force --quiet >/dev/null");
- sys("sh $rc_firewall_generic");
+ sys("/etc/init.d/shorewall start");
- sys("/etc/rc.d/init.d/$_ start"), sys("/sbin/chkconfig --level 345 $_ on") foreach 'named', 'dhcpd';
+ sys("/etc/rc.d/init.d/$_ start"), sys("/sbin/chkconfig --level 345 $_ on") foreach 'named', 'dhcpd', 'shorewall';
sys("/etc/rc.d/init.d/cups start") if $cups_used;
-
- substInFile { s/^INET_SHARING.*\n//; $_ .= "INET_SHARING=enabled\n" if eof } $drakgw_setup;
}
sub stop_daemons ()
{
standalone::explanations("Stopping daemons");
- system("/etc/rc.d/init.d/dhcpd status >/dev/null") == 0 and sys("/etc/rc.d/init.d/dhcpd stop");
- system("/etc/rc.d/init.d/named status >/dev/null 2>/dev/null") == 0 and sys("/etc/rc.d/init.d/named stop");
- sys("/sbin/iptables -t nat -F");
+ foreach (qw(dhcpd named shorewall)) {
+ system("/etc/rc.d/init.d/$_ status >/dev/null 2>/dev/null") == 0 and sys("/etc/rc.d/init.d/$_ stop");
+ }
sys("/sbin/chkconfig --level 345 $_ off") foreach 'named', 'dhcpd';
-
- substInFile { s/^INET_SHARING.*\n//; $_ .= "INET_SHARING=disabled\n" if eof } $drakgw_setup;
}
sub fatal_quit ($)
@@ -120,16 +117,15 @@ log::l("[drakgw] kernel_version $kernel_version");
$kernel_version eq '2.4' or fatal_quit(_("Sorry, we support only 2.4 kernels."));
-
begin:
#- **********************************
#- * 0th step: verify if we are already set up
-if (-f $drakgw_setup) {
+if ($shorewall && $shorewall->{masquerade}) {
$::Wizard_no_previous = 1;
- if (grep(/enabled/, cat_($drakgw_setup))) {
+ if (!$shorewall->{disabled}) {
my $r = $in->ask_from_list_(_("Internet Connection Sharing currently enabled"),
_("The setup of Internet connection sharing has already been done.
It's currently enabled.
@@ -153,7 +149,7 @@ What would you like to do?"),
quit_global($in, 0);
}
}
- elsif (grep(/disabled/, cat_($drakgw_setup)))
+ else
{
my $r = $in->ask_from_list_(_("Internet Connection Sharing currently disabled"),
_("The setup of Internet connection sharing has already been done.
@@ -179,10 +175,6 @@ What would you like to do?"),
quit_global($in, 0);
}
}
- else {
- log::l("[drakgw] Warning, unrecognized config file, ignoring");
- renamef($drakgw_setup, "$drakgw_setup.unrecognized");
- }
}
@@ -314,13 +306,7 @@ foreach (grep { $_ ne $device } @configured_devices)
#- test for potential conflict with previous firewall config
-
-system('modprobe iptable_nat');
-if (-f '/etc/sysconfig/iptables' || -x '/sbin/iptables' && listlength(`/sbin/iptables -t nat -nL`) > 8) {
- $in->ask_okcancel(_("Firewalling configuration detected!"),
- _("Warning! An existing firewalling configuration has been detected. You may need some manual fix after installation.")) or goto step_detectsetup;
-}
-
+network::shorewall::check_iptables($in) or goto step_detectsetup;
#- **********************************
#- * 2nd step: configure
@@ -366,64 +352,14 @@ if (grep { !-e $rpm2file{$_} } keys %rpm2file) {
}
}
+put_in_hash($shorewall ||= {}, {
+ disabled => 0,
+ net_interface => $card_netconnect,
+ if_(@cards > 1, loc_interface => [ grep { $_ ne $device } @cards ]),
+ masquerade => { interface => $device, subnet => "$lan_address.0/24" },
+});
-#- setup the masquerading configuration
-standalone::explanations("Modifying firewalling configuration");
-if (!-f $rc_firewall_generic) {
- output($rc_firewall_generic, "#!/bin/sh
-#
-# Automatically generated by drakgw
-[ -x $rc_firewall_drakgw ] && $rc_firewall_drakgw
-");
- chmod 0700, $rc_firewall_generic;
-}
-elsif (!grep(/drakgw/, cat_($rc_firewall_generic))) {
- outpend($rc_firewall_generic, "
-# Automatically added by drakgw
-[ -x $rc_firewall_drakgw ] && $rc_firewall_drakgw
-
-");
-}
-
-output($rc_firewall_drakgw, sprintf(<<'EOF', $rc_firewall_24, $rc_firewall_24));
-#!/bin/sh
-KERNELMAJ=`uname -r | sed -e 's,\..*,,'`
-KERNELMIN=`uname -r | sed -e 's,[^\.]*\.,,' -e 's,\..*,,'`
-
-if [ "$KERNELMAJ" -eq 2 -a "$KERNELMIN" -eq 4 ]; then
- [ -x %s ] && %s
-fi
-EOF
-
-chmod 0700, $rc_firewall_drakgw;
-
-
-output($rc_firewall_24, qq(#!/bin/sh
-# Load the NAT module (this pulls in all the others).
-modprobe iptable_nat
-
-# Turn on IP forwarding
-echo 1 > /proc/sys/net/ipv4/ip_forward
-
-# In the NAT table (-t nat), Append a rule (-A) after routing (POSTROUTING)
-# which says to MASQUERADE the connection (-j MASQUERADE).
-/sbin/iptables -t nat -A POSTROUTING -s $lan_address.0/24 -j MASQUERADE
-
-# Allows forwarding specifically to our LAN
-/sbin/iptables -A FORWARD -s $lan_address.0/24 -j ACCEPT
-
-# Allow dhcp requests
-/sbin/iptables -A INPUT -i $device -p udp --sport bootpc --dport bootps -j ACCEPT
-/sbin/iptables -A INPUT -i $device -p tcp --sport bootpc --dport bootps -j ACCEPT
-/sbin/iptables -A INPUT -i $device -p udp --sport bootps --dport bootpc -j ACCEPT
-/sbin/iptables -A INPUT -i $device -p tcp --sport bootps --dport bootpc -j ACCEPT
-
-# Allow dns requests
-/sbin/iptables -A INPUT -i $device -p udp --dport domain -j ACCEPT
-/sbin/iptables -A INPUT -i $device -p tcp --dport domain -j ACCEPT
-));
-chmod 0700, $rc_firewall_24;
-
+network::shorewall::write($shorewall);
#- be sure that FORWARD_IPV4 is enabled in /etc/sysconfig/network
@@ -534,7 +470,6 @@ if (-f $cups_conf) {
#- start the daemons
-substInFile { s/^INTERFACE.*\n//; $_ .= "INTERFACE=$device\n" if eof } $drakgw_setup;
start_daemons();
@@ -563,9 +498,11 @@ sub pur_gtk_mode
{
require Gtk;
init Gtk;
- my $setup_state = grep(/disabled/, cat_($drakgw_setup)) ? _("The setup has already been done, but it's currently disabled.") :
- grep(/enabled/, cat_($drakgw_setup)) ? _("The setup has already been done, and it's currently enabled.") :
- _("No Internet Connection Sharing has ever been configured.");
+ my $setup_state = $shorewall && $shorewall->{masquerade} ?
+ ($shorewall->{disabled} ?
+ _("The setup has already been done, but it's currently disabled.") :
+ _("The setup has already been done, and it's currently enabled.")) :
+ _("No Internet Connection Sharing has ever been configured.");
my $window1 = $::isEmbedded ? new Gtk::Plug ($::XID) : new Gtk::Window -toplevel;
$window1->signal_connect(delete_event => sub { Gtk->exit(0) });