From cdf2d31b82ac6571a6e937a576f266c68fe224d7 Mon Sep 17 00:00:00 2001
From: Olivier Blin <oblin@mandriva.org>
Date: Thu, 26 May 2005 11:35:10 +0000
Subject: better way to handle squid ports (read shorewall REDIRECT rules in
 network::shorewall::read to avoid tricks in network::shorewall::write)

---
 perl-install/network/shorewall.pm | 13 ++++++-------
 perl-install/standalone/drakgw    | 30 ++++++++++++++++--------------
 2 files changed, 22 insertions(+), 21 deletions(-)

diff --git a/perl-install/network/shorewall.pm b/perl-install/network/shorewall.pm
index e6c96e897..d1e908700 100644
--- a/perl-install/network/shorewall.pm
+++ b/perl-install/network/shorewall.pm
@@ -83,12 +83,14 @@ sub read_default_interfaces {
 
 sub read {
     my ($o_in) = @_;
+    my @rules = get_config_file('rules');
     my %conf = (disabled => !glob_("$::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'))
+                } grep { $_->[0] eq 'ACCEPT' && $_->[1] eq 'net' } @rules),
                );
+    $conf{redirects}{$_->[3]}{$_->[2]} = $_->[4] foreach grep { $_->[0] eq 'REDIRECT' } @rules;
 
     if (my ($e) = get_config_file('masq')) {
 	$conf{masquerade}{subnet} = $e->[1] if $e->[1];
@@ -101,7 +103,6 @@ sub write {
     my ($conf) = @_;
     my $default_intf = get_ifcfg_interface();
     my $use_pptp = $default_intf =~ /^ppp/ && cat_("$::prefix/etc/ppp/peers/$default_intf") =~ /pptp/;
-    my $squid_port = network::squid::read_squid_conf()->{http_port}[0];
 
     my %ports_by_proto;
     foreach (split ' ', $conf->{ports}) {
@@ -129,12 +130,10 @@ sub write {
 		    (map { 
 			map_each { [ 'ACCEPT', $_, 'fw', $::a, join(',', @$::b), '-' ] } %ports_by_proto; 
 		    } ('net', if_($conf->{loc_interface}[0], 'loc'))),
+		    (map {
+			map_each { [ 'REDIRECT', 'loc', $::a, $_, $::b, '-' ] } %{$conf->{redirects}{$_}};
+		    } keys %{$conf->{redirects}}),
 		   );
-		   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', if_($conf->{masquerade}, [ $conf->{net_interface}, $conf->{masquerade}{subnet} ]));
 
     services::set_status('shorewall', !$conf->{disabled}, $::isInstall);
diff --git a/perl-install/standalone/drakgw b/perl-install/standalone/drakgw
index 109bbcac4..4a74914b2 100755
--- a/perl-install/standalone/drakgw
+++ b/perl-install/standalone/drakgw
@@ -279,6 +279,11 @@ If you do not know the meaning of an option, simply leave it as it is."),
 	      post => sub {
 		  network::squid::write_squid_conf($squid_conf, $lan_intf, $internal_domain_name) if $use_caching_proxy;
 		  services::set_status("squid", $use_caching_proxy);
+		  if ($use_caching_proxy) {
+		      set_proxy_port($squid_conf->{http_port}[0]);
+		  } else {
+		      delete_proxy_ports();
+		  }
 		  -f $cups_conf ? "cups" : end_step();
 	      },
 	     },
@@ -350,26 +355,25 @@ sub end_step() {
     "end";
 }
 
-sub proxy_enable() {
-    substInFile {
-	s/#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE/REDIRECT\tloc\t$squid_conf->{http_port}[0]\ttcp\twww\t-\nACCEPT\tfw\tnet\ttcp\twww\n#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE/;
-    } $rules_file;
+sub delete_proxy_ports() {
+    my $r = $shorewall->{redirects}{tcp};
+    use Data::Dumper;
+    my @ports = grep { $r->{$_} eq 'www' } keys %$r;
+    print Dumper($r, \@ports);
+    delete $r->{$_} foreach @ports;
 }
 
-sub proxy_disable() {
-    substInFile {
-	s/REDIRECT\tmasq\t$squid_conf->{http_port}[0]\ttcp\twww\t\-\n//;
-	s/REDIRECT\tloc\t$squid_conf->{http_port}[0]\ttcp\twww\t\-\n//;
-	s/ACCEPT\tfw\tnet\ttcp\twww\n//;
-    } $rules_file;
+sub set_proxy_port {
+    my ($port) = @_;
+    $shorewall->{redirects}{tcp}{$port} = 'www';
 }
 
-
 sub gw_disable() {
     my $_wait_disabl = $in->wait_message('', N("Disabling servers..."));
     return if $::testing;
     services::set_status($_, 0) foreach qw(dhcpd squid named);
-    proxy_disable();
+    delete_proxy_ports();
+    network::shorewall::write($shorewall);
     foreach ($network::dhcpd::dhcpd_conf_file, $network::squid::squid_conf_file, $masq_file) {
 	if (-f $_) { rename($_, "$_.drakgwdisable") or die "Could not rename $_ to $_.drakgwdisable" }
     }
@@ -398,8 +402,6 @@ sub gw_configure() {
     log::explanations("Enabling IPV4 forwarding");
     substInFile { s/^FORWARD_IPV4.*\n//; $_ .= "FORWARD_IPV4=true\n" if eof } $sysconf_network if !$::testing;
     services::restart("network");
-
-    proxy_enable();
 }
 
 sub update_cups() {
-- 
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