X-Git-Url: https://git.proxmox.com/?p=pve-firewall.git;a=blobdiff_plain;f=src%2FPVE%2FFirewall.pm;h=be81778c97d8f5503c2dcca5421fe5055c6f6eba;hp=73005ab7bced11f6d5bb37b4de3066e7fecc87ed;hb=eb399cef4838774a16964cc5d11e4bcbfb07fbd2;hpb=56f313f75c4e204a687073079b5682ab4ab622f4

diff --git a/src/PVE/Firewall.pm b/src/PVE/Firewall.pm
index 73005ab..be81778 100644
--- a/src/PVE/Firewall.pm
+++ b/src/PVE/Firewall.pm
@@ -438,8 +438,8 @@ my $pve_fw_macros = {
 	{ action => 'PARAM', proto => 'icmp', dport => 'echo-request' },
     ],
     'VNC' => [
-	"VNC traffic for VNC display's 0 - 9",
-	{ action => 'PARAM', proto => 'tcp', dport => '5900:5909' },
+	"VNC traffic for VNC display's 0 - 99",
+	{ action => 'PARAM', proto => 'tcp', dport => '5900:5999' },
     ],
     'VNCL' => [
 	"VNC traffic from Vncservers to Vncviewers in listen mode",
@@ -687,6 +687,58 @@ sub get_etc_protocols {
     return $etc_protocols;
 }
 
+my $ipv4_mask_hash_clusternet = {
+    '255.255.0.0' => 16,
+    '255.255.128.0' => 17,
+    '255.255.192.0' => 18,
+    '255.255.224.0' => 19,
+    '255.255.240.0' => 20,
+    '255.255.248.0' => 21,
+    '255.255.252.0' => 22,
+    '255.255.254.0' => 23,
+    '255.255.255.0' => 24,
+    '255.255.255.128' => 25,
+    '255.255.255.192' => 26,
+    '255.255.255.224' => 27,
+    '255.255.255.240' => 28,
+    '255.255.255.248' => 29,
+    '255.255.255.252' => 30,
+};
+
+my $__cluster_network;
+
+sub cluster_network {
+    my ($new_value) = @_;
+
+    $__cluster_network = $new_value if defined($new_value);
+
+    return $__cluster_network if defined($__cluster_network);
+
+    eval {
+	my $nodename = PVE::INotify::nodename();
+
+	my $ip = PVE::Cluster::remote_node_ip($nodename);
+
+	my $testip = Net::IP->new($ip);
+   
+	my $routes = PVE::ProcFSTools::read_proc_net_route();
+	foreach my $entry (@$routes) {
+	    my $mask = $ipv4_mask_hash_clusternet->{$entry->{mask}};
+	    next if !defined($mask);
+	    return if $mask eq '0.0.0.0';
+	    my $cidr = "$entry->{dest}/$mask";
+	    my $testnet = Net::IP->new($cidr);
+	    if ($testnet->overlaps($testip)) {
+		$__cluster_network = $cidr;
+		return;
+	    }
+	}
+    };
+    warn $@ if $@;
+
+    return $__cluster_network;
+}
+
 sub parse_address_list {
     my ($str) = @_;
 
@@ -1635,10 +1687,6 @@ sub enable_host_firewall {
     ruleset_chain_add_conn_filters($ruleset, $chain, 'ACCEPT');
     ruleset_chain_add_input_filters($ruleset, $chain, $options, $cluster_conf, $loglevel);
 
-    ruleset_addrule($ruleset, $chain, "-m addrtype --dst-type MULTICAST -j ACCEPT");
-    ruleset_addrule($ruleset, $chain, "-p udp -m conntrack --ctstate NEW --dport 5404:5405 -j ACCEPT");
-    ruleset_addrule($ruleset, $chain, "-p udp -m udp --dport 9000 -j ACCEPT");  #corosync
-
     # we use RETURN because we need to check also tap rules
     my $accept_action = 'RETURN';
 
@@ -1654,6 +1702,22 @@ sub enable_host_firewall {
 	delete $rule->{iface_in};
     }
 
+    # allow standard traffic for management ipset (includes cluster network)
+    my $mngmntsrc = "-m set --match-set PVEFW-management src";
+    ruleset_addrule($ruleset, $chain, "$mngmntsrc -p tcp --dport 8006 -j $accept_action");  # PVE API
+    ruleset_addrule($ruleset, $chain, "$mngmntsrc -p tcp --dport 5900:5999 -j $accept_action");  # PVE VNC Console 
+    ruleset_addrule($ruleset, $chain, "$mngmntsrc -p tcp --dport 3128 -j $accept_action");  # SPICE Proxy
+    ruleset_addrule($ruleset, $chain, "$mngmntsrc -p tcp --dport 22 -j $accept_action");  # SSH
+   
+    my $clusternet = cluster_network();
+
+    # corosync
+    if ($clusternet) {
+	my $corosync_rule = "-p udp --dport 5404:5405 -j $accept_action";
+	ruleset_addrule($ruleset, $chain, "-s $clusternet -d $clusternet $corosync_rule");
+	ruleset_addrule($ruleset, $chain, "-s $clusternet -m addrtype --dst-type MULTICAST $corosync_rule");
+    }
+
     # implement input policy
     my $policy = $cluster_options->{policy_in} || 'DROP'; # allow nothing by default
     ruleset_add_chain_policy($ruleset, $chain, 0, $policy, $loglevel, $accept_action);
@@ -1668,10 +1732,6 @@ sub enable_host_firewall {
 
     ruleset_chain_add_conn_filters($ruleset, $chain, 'ACCEPT');
 
-    ruleset_addrule($ruleset, $chain, "-m addrtype --dst-type MULTICAST -j ACCEPT");
-    ruleset_addrule($ruleset, $chain, "-p udp -m conntrack --ctstate NEW --dport 5404:5405 -j ACCEPT");
-    ruleset_addrule($ruleset, $chain, "-p udp -m udp --dport 9000 -j ACCEPT"); #corosync
-
     # we use RETURN because we may want to check other thigs later
     $accept_action = 'RETURN';
 
@@ -1687,6 +1747,18 @@ sub enable_host_firewall {
 	delete $rule->{iface_out};
     }
 
+    # allow standard traffic on cluster network
+    if ($clusternet) {
+	ruleset_addrule($ruleset, $chain, "-d $clusternet -p tcp --dport 8006 -j $accept_action");  # PVE API
+	ruleset_addrule($ruleset, $chain, "-d $clusternet -p tcp --dport 22 -j $accept_action");  # SSH
+	ruleset_addrule($ruleset, $chain, "-d $clusternet -p tcp --dport 5900:5999 -j $accept_action");  # PVE VNC Console 
+	ruleset_addrule($ruleset, $chain, "-d $clusternet -p tcp --dport 3128 -j $accept_action");  # SPICE Proxy
+ 
+	my $corosync_rule = "-p udp --dport 5404:5405 -j $accept_action";
+	ruleset_addrule($ruleset, $chain, "-d $clusternet $corosync_rule");
+	ruleset_addrule($ruleset, $chain, "-m addrtype --dst-type MULTICAST $corosync_rule");
+    }
+
     # implement output policy
     $policy = $cluster_options->{policy_out} || 'ACCEPT'; # allow everything by default
     ruleset_add_chain_policy($ruleset, $chain, 0, $policy, $loglevel, $accept_action);
@@ -1900,7 +1972,7 @@ sub parse_clusterfw_option {
     return ($opt, $value);
 }
 
-sub parse_clusterfw_alias {
+sub parse_alias {
     my ($line) = @_;
 
     # we can add single line comments to the end of the line
@@ -1924,7 +1996,11 @@ sub parse_clusterfw_alias {
 sub parse_vm_fw_rules {
     my ($filename, $fh) = @_;
 
-    my $res = { rules => [], options => {}};
+    my $res = { 
+	rules => [], 
+	options => {},
+	aliases => {},
+    };
 
     my $section;
 
@@ -1956,6 +2032,15 @@ sub parse_vm_fw_rules {
 	    next;
 	}
 
+	if ($section eq 'aliases') {
+	    eval {
+		my $data = parse_alias($line);
+		$res->{aliases}->{lc($data->{name})} = $data;
+	    };
+	    warn "$prefix: $@" if $@;
+	    next;
+	}
+
 	my $rule;
 	eval { $rule = parse_fw_rule($line, 1, 1); };
 	if (my $err = $@) {
@@ -2088,7 +2173,7 @@ sub parse_cluster_fw_rules {
 	    warn "$prefix: $@" if $@;
 	} elsif ($section eq 'aliases') {
 	    eval {
-		my $data = parse_clusterfw_alias($line);
+		my $data = parse_alias($line);
 		$res->{aliases}->{lc($data->{name})} = $data;
 	    };
 	    warn "$prefix: $@" if $@;
@@ -2299,6 +2384,9 @@ sub save_vmfw_conf {
     my $options = $vmfw_conf->{options};
     $raw .= &$format_options($options) if scalar(keys %$options);
 
+    my $aliases = $vmfw_conf->{aliases};
+    $raw .= &$format_aliases($aliases) if scalar(keys %$aliases);
+
     my $rules = $vmfw_conf->{rules} || [];
     if (scalar(@$rules)) {
 	$raw .= "[RULES]\n\n";
@@ -2532,11 +2620,9 @@ sub compile {
     if ($vmdata) { # test mode
 	my $testdir = $vmdata->{testdir} || die "no test directory specified";
 	my $filename = "$testdir/cluster.fw";
-	die "missing test file '$filename'\n" if ! -f $filename;
 	$cluster_conf = load_clusterfw_conf($filename);
 
 	$filename = "$testdir/host.fw";
-	die "missing test file '$filename'\n" if ! -f $filename;
 	$hostfw_conf = load_hostfw_conf($filename);
 
 	$vmfw_configs = read_vm_firewall_configs($vmdata, $testdir);
@@ -2551,7 +2637,10 @@ sub compile {
 
 
     $cluster_conf->{ipset}->{venet0} = [];
-
+ 
+    my $clusternet = cluster_network() || '127.0.0.0/8';
+    push @{$cluster_conf->{ipset}->{management}}, { cidr => $clusternet };
+   
     my $ruleset = {};
 
     ruleset_create_chain($ruleset, "PVEFW-INPUT");
@@ -2596,7 +2685,7 @@ sub compile {
 	my $conf = $vmdata->{qemu}->{$vmid};
 	my $vmfw_conf = $vmfw_configs->{$vmid};
 	next if !$vmfw_conf;
-	next if defined($vmfw_conf->{options}->{enable}) && ($vmfw_conf->{options}->{enable} == 0);
+	next if !$vmfw_conf->{options}->{enable};
 
 	foreach my $netid (keys %$conf) {
 	    next if $netid !~ m/^net(\d+)$/;
@@ -2618,7 +2707,7 @@ sub compile {
 
 	my $vmfw_conf = $vmfw_configs->{$vmid};
 	next if !$vmfw_conf;
-	next if defined($vmfw_conf->{options}->{enable}) && ($vmfw_conf->{options}->{enable} == 0);
+	next if !$vmfw_conf->{options}->{enable};
 
 	if ($conf->{ip_address} && $conf->{ip_address}->{value}) {
 	    my $ip = $conf->{ip_address}->{value};
@@ -2928,6 +3017,16 @@ sub remove_pvefw_chains {
     iptables_restore_cmdlist($cmdlist);
 }
 
+sub init {
+    my $cluster_conf = load_clusterfw_conf();
+    my $cluster_options = $cluster_conf->{options};
+    my $enable = $cluster_options->{enable};
+
+    return if !$enable;
+
+    # load required modules here
+}
+
 sub update {
     my ($verbose) = @_;
 
@@ -2956,5 +3055,4 @@ sub update {
     run_locked($code);
 }
 
-
 1;