X-Git-Url: https://git.proxmox.com/?p=pve-firewall.git;a=blobdiff_plain;f=src%2FPVE%2FFirewall.pm;h=336aedbd72cacd417e7533257495eb3f9aa9dba5;hp=6707e669e3065c6539b120f928a170c7603d0c5f;hb=c14dacdfd975121912c387acafefc081d6c6606e;hpb=68c90e210e53b10f63b47da62c06507afc68ef6e diff --git a/src/PVE/Firewall.pm b/src/PVE/Firewall.pm index 6707e66..336aedb 100644 --- a/src/PVE/Firewall.pm +++ b/src/PVE/Firewall.pm @@ -2,13 +2,15 @@ package PVE::Firewall; use warnings; use strict; +use POSIX; use Data::Dumper; use Digest::SHA; use PVE::INotify; -use PVE::JSONSchema qw(get_standard_option); +use PVE::Exception qw(raise raise_param_exc); +use PVE::JSONSchema qw(register_standard_option get_standard_option); use PVE::Cluster; use PVE::ProcFSTools; -use PVE::Tools; +use PVE::Tools qw($IPV4RE); use File::Basename; use File::Path; use IO::File; @@ -19,7 +21,7 @@ use Encode; my $hostfw_conf_filename = "/etc/pve/local/host.fw"; my $clusterfw_conf_filename = "/etc/pve/firewall/cluster.fw"; -# dynamically include PVE::QemuServer and PVE::OpenVZ +# dynamically include PVE::QemuServer and PVE::OpenVZ # to avoid dependency problems my $have_qemu_server; eval { @@ -33,6 +35,48 @@ eval { $have_pve_manager = 1; }; +PVE::JSONSchema::register_format('IPv4orCIDR', \&pve_verify_ipv4_or_cidr); +sub pve_verify_ipv4_or_cidr { + my ($cidr, $noerr) = @_; + + if ($cidr =~ m!^(?:$IPV4RE)(/(\d+))?$!) { + return $cidr if Net::IP->new($cidr); + return undef if $noerr; + die Net::IP::Error() . "\n"; + } + return undef if $noerr; + die "value does not look like a valid IP address or CIDR network\n"; +} + +PVE::JSONSchema::register_standard_option('ipset-name', { + description => "IP set name.", + type => 'string', + pattern => '[A-Za-z][A-Za-z0-9\-\_]+', + minLength => 2, + maxLength => 20, +}); + +my $security_group_pattern = '[A-Za-z][A-Za-z0-9\-\_]+'; + +PVE::JSONSchema::register_standard_option('pve-security-group-name', { + description => "Security Group name.", + type => 'string', + pattern => $security_group_pattern, + minLength => 2, + maxLength => 20, +}); + +my $feature_ipset_nomatch = 0; +eval { + my (undef, undef, $release) = POSIX::uname(); + if ($release =~ m/^(\d+)\.(\d+)\.\d+-/) { + my ($major, $minor) = ($1, $2); + $feature_ipset_nomatch = 1 if ($major > 3) || + ($major == 3 && $minor >= 7); + } + +}; + use Data::Dumper; my $nodename = PVE::INotify::nodename(); @@ -56,124 +100,134 @@ my $log_level_hash = { # imported/converted from: /usr/share/shorewall/macro.* my $pve_fw_macros = { 'Amanda' => [ + "Amanda Backup", { action => 'PARAM', proto => 'udp', dport => '10080' }, { action => 'PARAM', proto => 'tcp', dport => '10080' }, ], 'Auth' => [ + "Auth (identd) traffic", { action => 'PARAM', proto => 'tcp', dport => '113' }, ], 'BGP' => [ + "Border Gateway Protocol traffic", { action => 'PARAM', proto => 'tcp', dport => '179' }, ], 'BitTorrent' => [ + "BitTorrent traffic for BitTorrent 3.1 and earlier", { action => 'PARAM', proto => 'tcp', dport => '6881:6889' }, { action => 'PARAM', proto => 'udp', dport => '6881' }, ], 'BitTorrent32' => [ + "BitTorrent traffic for BitTorrent 3.2 and later", { action => 'PARAM', proto => 'tcp', dport => '6881:6999' }, { action => 'PARAM', proto => 'udp', dport => '6881' }, ], 'CVS' => [ + "Concurrent Versions System pserver traffic", { action => 'PARAM', proto => 'tcp', dport => '2401' }, ], 'Citrix' => [ + "Citrix/ICA traffic (ICA, ICA Browser, CGP)", { action => 'PARAM', proto => 'tcp', dport => '1494' }, { action => 'PARAM', proto => 'udp', dport => '1604' }, { action => 'PARAM', proto => 'tcp', dport => '2598' }, ], 'DAAP' => [ + "Digital Audio Access Protocol traffic (iTunes, Rythmbox daemons)", { action => 'PARAM', proto => 'tcp', dport => '3689' }, { action => 'PARAM', proto => 'udp', dport => '3689' }, ], 'DCC' => [ + "Distributed Checksum Clearinghouse spam filtering mechanism", { action => 'PARAM', proto => 'tcp', dport => '6277' }, ], 'DHCPfwd' => [ + "Forwarded DHCP traffic (bidirectional)", { action => 'PARAM', proto => 'udp', dport => '67:68', sport => '67:68' }, { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => 'udp', dport => '67:68', sport => '67:68' }, ], 'DNS' => [ + "Domain Name System traffic (upd and tcp)", { action => 'PARAM', proto => 'udp', dport => '53' }, { action => 'PARAM', proto => 'tcp', dport => '53' }, ], 'Distcc' => [ + "Distributed Compiler service", { action => 'PARAM', proto => 'tcp', dport => '3632' }, ], - 'Edonkey' => [ - { action => 'PARAM', proto => 'tcp', dport => '4662' }, - { action => 'PARAM', proto => 'udp', dport => '4665' }, - ], 'FTP' => [ + "File Transfer Protocol", { action => 'PARAM', proto => 'tcp', dport => '21' }, ], 'Finger' => [ + "Finger protocol (RFC 742)", { action => 'PARAM', proto => 'tcp', dport => '79' }, ], 'GNUnet' => [ + "GNUnet secure peer-to-peer networking traffic", { action => 'PARAM', proto => 'tcp', dport => '2086' }, { action => 'PARAM', proto => 'udp', dport => '2086' }, { action => 'PARAM', proto => 'tcp', dport => '1080' }, { action => 'PARAM', proto => 'udp', dport => '1080' }, ], 'GRE' => [ + "Generic Routing Encapsulation tunneling protocol (bidirectional)", { action => 'PARAM', proto => '47' }, { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => '47' }, ], 'Git' => [ + "Git distributed revision control traffic", { action => 'PARAM', proto => 'tcp', dport => '9418' }, ], - 'Gnutella' => [ - { action => 'PARAM', proto => 'tcp', dport => '6346' }, - { action => 'PARAM', proto => 'udp', dport => '6346' }, - ], 'HKP' => [ + "OpenPGP HTTP keyserver protocol traffic", { action => 'PARAM', proto => 'tcp', dport => '11371' }, ], 'HTTP' => [ + "Hypertext Transfer Protocol (WWW)", { action => 'PARAM', proto => 'tcp', dport => '80' }, ], 'HTTPS' => [ + "Hypertext Transfer Protocol (WWW) over SSL", { action => 'PARAM', proto => 'tcp', dport => '443' }, ], 'ICPV2' => [ + "Internet Cache Protocol V2 (Squid) traffic", { action => 'PARAM', proto => 'udp', dport => '3130' }, ], 'ICQ' => [ + "AOL Instant Messenger traffic", { action => 'PARAM', proto => 'tcp', dport => '5190' }, ], 'IMAP' => [ + "Internet Message Access Protocol", { action => 'PARAM', proto => 'tcp', dport => '143' }, ], 'IMAPS' => [ + "Internet Message Access Protocol over SSL", { action => 'PARAM', proto => 'tcp', dport => '993' }, ], 'IPIP' => [ + "IPIP capsulation traffic (bidirectional)", { action => 'PARAM', proto => '94' }, { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => '94' }, ], - 'IPP' => [ - { action => 'PARAM', proto => 'tcp', dport => '631' }, - ], - 'IPPbrd' => [ - { action => 'PARAM', proto => 'udp', dport => '631' }, - ], - 'IPPserver' => [ - { action => 'PARAM', source => 'SOURCE', dest => 'DEST', proto => 'tcp', dport => '631' }, - { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => 'udp', dport => '631' }, - ], 'IPsec' => [ + "IPsec traffic (bidirectional)", { action => 'PARAM', proto => 'udp', dport => '500', sport => '500' }, { action => 'PARAM', proto => '50' }, { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => 'udp', dport => '500', sport => '500' }, { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => '50' }, ], 'IPsecah' => [ + "IPsec authentication (AH) traffic (bidirectional)", { action => 'PARAM', proto => 'udp', dport => '500', sport => '500' }, { action => 'PARAM', proto => '51' }, { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => 'udp', dport => '500', sport => '500' }, { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => '51' }, ], 'IPsecnat' => [ + "IPsec traffic and Nat-Traversal (bidirectional)", { action => 'PARAM', proto => 'udp', dport => '500' }, { action => 'PARAM', proto => 'udp', dport => '4500' }, { action => 'PARAM', proto => '50' }, @@ -182,123 +236,142 @@ my $pve_fw_macros = { { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => '50' }, ], 'IRC' => [ + "Internet Relay Chat traffic", { action => 'PARAM', proto => 'tcp', dport => '6667' }, ], - 'JabberPlain' => [ - { action => 'PARAM', proto => 'tcp', dport => '5222' }, - ], - 'JabberSecure' => [ - { action => 'PARAM', proto => 'tcp', dport => '5223' }, - ], - 'Jabberd' => [ - { action => 'PARAM', proto => 'tcp', dport => '5269' }, - ], 'Jetdirect' => [ + "HP Jetdirect printing", { action => 'PARAM', proto => 'tcp', dport => '9100' }, ], 'L2TP' => [ + "Layer 2 Tunneling Protocol traffic", { action => 'PARAM', proto => 'udp', dport => '1701' }, { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => 'udp', dport => '1701' }, ], 'LDAP' => [ + "Lightweight Directory Access Protocol traffic", { action => 'PARAM', proto => 'tcp', dport => '389' }, ], 'LDAPS' => [ + "Secure Lightweight Directory Access Protocol traffic", { action => 'PARAM', proto => 'tcp', dport => '636' }, ], 'MSNP' => [ + "Microsoft Notification Protocol", { action => 'PARAM', proto => 'tcp', dport => '1863' }, ], 'MSSQL' => [ + "Microsoft SQL Server", { action => 'PARAM', proto => 'tcp', dport => '1433' }, ], 'Mail' => [ + "Mail traffic (SMTP, SMTPS, Submission)", { action => 'PARAM', proto => 'tcp', dport => '25' }, { action => 'PARAM', proto => 'tcp', dport => '465' }, { action => 'PARAM', proto => 'tcp', dport => '587' }, ], 'Munin' => [ + "Munin networked resource monitoring traffic", { action => 'PARAM', proto => 'tcp', dport => '4949' }, ], 'MySQL' => [ + "MySQL server", { action => 'PARAM', proto => 'tcp', dport => '3306' }, ], 'NNTP' => [ + "NNTP traffic (Usenet).", { action => 'PARAM', proto => 'tcp', dport => '119' }, ], 'NNTPS' => [ + "Encrypted NNTP traffic (Usenet)", { action => 'PARAM', proto => 'tcp', dport => '563' }, ], 'NTP' => [ + "Network Time Protocol (ntpd)", { action => 'PARAM', proto => 'udp', dport => '123' }, ], 'NTPbi' => [ + "Bi-directional NTP (for NTP peers)", { action => 'PARAM', proto => 'udp', dport => '123' }, { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => 'udp', dport => '123' }, ], - 'NTPbrd' => [ - { action => 'PARAM', proto => 'udp', dport => '123' }, - { action => 'PARAM', proto => 'udp', dport => '1024:65535', sport => '123' }, - ], 'OSPF' => [ + "OSPF multicast traffic", { action => 'PARAM', proto => '89' }, ], 'OpenVPN' => [ + "OpenVPN traffic", { action => 'PARAM', proto => 'udp', dport => '1194' }, ], 'PCA' => [ + "Symantec PCAnywere (tm)", { action => 'PARAM', proto => 'udp', dport => '5632' }, { action => 'PARAM', proto => 'tcp', dport => '5631' }, ], 'POP3' => [ + "POP3 traffic", { action => 'PARAM', proto => 'tcp', dport => '110' }, ], 'POP3S' => [ + "Encrypted POP3 traffic", { action => 'PARAM', proto => 'tcp', dport => '995' }, ], 'PPtP' => [ + "Point-to-Point Tunneling Protocol", { action => 'PARAM', proto => '47' }, { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => '47' }, { action => 'PARAM', proto => 'tcp', dport => '1723' }, ], 'Ping' => [ + "ICMP echo request", { action => 'PARAM', proto => 'icmp', dport => 'echo-request' }, ], 'PostgreSQL' => [ + "PostgreSQL server", { action => 'PARAM', proto => 'tcp', dport => '5432' }, ], 'Printer' => [ + "Line Printer protocol printing", { action => 'PARAM', proto => 'tcp', dport => '515' }, ], 'RDP' => [ + "Microsoft Remote Desktop Protocol traffic", { action => 'PARAM', proto => 'tcp', dport => '3389' }, ], 'RIPbi' => [ + "Routing Information Protocol (bidirectional)", { action => 'PARAM', proto => 'udp', dport => '520' }, { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => 'udp', dport => '520' }, ], 'RNDC' => [ + "BIND remote management protocol", { action => 'PARAM', proto => 'tcp', dport => '953' }, ], 'Razor' => [ + "Razor Antispam System", { action => 'ACCEPT', proto => 'tcp', dport => '2703' }, ], 'Rdate' => [ + "Remote time retrieval (rdate)", { action => 'PARAM', proto => 'tcp', dport => '37' }, ], 'Rsync' => [ + "Rsync server", { action => 'PARAM', proto => 'tcp', dport => '873' }, ], 'SANE' => [ + "SANE network scanning", { action => 'PARAM', proto => 'tcp', dport => '6566' }, ], 'SMB' => [ + "Microsoft SMB traffic", { action => 'PARAM', proto => 'udp', dport => '135,445' }, { action => 'PARAM', proto => 'udp', dport => '137:139' }, { action => 'PARAM', proto => 'udp', dport => '1024:65535', sport => '137' }, { action => 'PARAM', proto => 'tcp', dport => '135,139,445' }, ], 'SMBBI' => [ + "Microsoft SMB traffic (bidirectional)", { action => 'PARAM', proto => 'udp', dport => '135,445' }, { action => 'PARAM', proto => 'udp', dport => '137:139' }, { action => 'PARAM', proto => 'udp', dport => '1024:65535', sport => '137' }, @@ -309,81 +382,104 @@ my $pve_fw_macros = { { action => 'PARAM', source => 'DEST', dest => 'SOURCE', proto => 'tcp', dport => '135,139,445' }, ], 'SMBswat' => [ + "Samba Web Administration Tool", { action => 'PARAM', proto => 'tcp', dport => '901' }, ], 'SMTP' => [ + "Simple Mail Transfer Protocol", { action => 'PARAM', proto => 'tcp', dport => '25' }, ], 'SMTPS' => [ + "Encrypted Simple Mail Transfer Protocol", { action => 'PARAM', proto => 'tcp', dport => '465' }, ], 'SNMP' => [ + "Simple Network Management Protocol", { action => 'PARAM', proto => 'udp', dport => '161:162' }, { action => 'PARAM', proto => 'tcp', dport => '161' }, ], 'SPAMD' => [ + "Spam Assassin SPAMD traffic", { action => 'PARAM', proto => 'tcp', dport => '783' }, ], 'SSH' => [ + "Secure shell traffic", { action => 'PARAM', proto => 'tcp', dport => '22' }, ], 'SVN' => [ + "Subversion server (svnserve)", { action => 'PARAM', proto => 'tcp', dport => '3690' }, ], 'SixXS' => [ + "SixXS IPv6 Deployment and Tunnel Broker", { action => 'PARAM', proto => 'tcp', dport => '3874' }, { action => 'PARAM', proto => 'udp', dport => '3740' }, { action => 'PARAM', proto => '41' }, { action => 'PARAM', proto => 'udp', dport => '5072,8374' }, ], 'Squid' => [ + "Squid web proxy traffic", { action => 'PARAM', proto => 'tcp', dport => '3128' }, ], 'Submission' => [ + "Mail message submission traffic", { action => 'PARAM', proto => 'tcp', dport => '587' }, ], 'Syslog' => [ + "Syslog protocol (RFC 5424) traffic", { action => 'PARAM', proto => 'udp', dport => '514' }, { action => 'PARAM', proto => 'tcp', dport => '514' }, ], 'TFTP' => [ + "Trivial File Transfer Protocol traffic", { action => 'PARAM', proto => 'udp', dport => '69' }, ], 'Telnet' => [ + "Telnet traffic", { action => 'PARAM', proto => 'tcp', dport => '23' }, ], 'Telnets' => [ + "Telnet over SSL", { action => 'PARAM', proto => 'tcp', dport => '992' }, ], 'Time' => [ + "RFC 868 Time protocol", { action => 'PARAM', proto => 'tcp', dport => '37' }, ], 'Trcrt' => [ + "Traceroute (for up to 30 hops) traffic", { action => 'PARAM', proto => 'udp', dport => '33434:33524' }, { action => 'PARAM', proto => 'icmp', dport => 'echo-request' }, ], 'VNC' => [ + "VNC traffic for VNC display's 0 - 9", { action => 'PARAM', proto => 'tcp', dport => '5900:5909' }, ], 'VNCL' => [ + "VNC traffic from Vncservers to Vncviewers in listen mode", { action => 'PARAM', proto => 'tcp', dport => '5500' }, ], 'Web' => [ + "WWW traffic (HTTP and HTTPS)", { action => 'PARAM', proto => 'tcp', dport => '80' }, { action => 'PARAM', proto => 'tcp', dport => '443' }, ], 'Webcache' => [ + "Web Cache/Proxy traffic (port 8080)", { action => 'PARAM', proto => 'tcp', dport => '8080' }, ], 'Webmin' => [ + "Webmin traffic", { action => 'PARAM', proto => 'tcp', dport => '10000' }, ], 'Whois' => [ + "Whois (nicname, RFC 3912) traffic", { action => 'PARAM', proto => 'tcp', dport => '43' }, ], }; my $pve_fw_parsed_macros; +my $pve_fw_macro_descr; my $pve_fw_preferred_macro_names = {}; my $pve_std_chains = { @@ -397,12 +493,12 @@ my $pve_std_chains = { { action => 'DROP', dsttype => 'BROADCAST' }, { action => 'DROP', dsttype => 'MULTICAST' }, { action => 'DROP', dsttype => 'ANYCAST' }, - { action => 'DROP', dest => '224.0.0.0/4' }, + { action => 'DROP', dest => '224.0.0.0/4' }, ], 'PVEFW-reject' => [ # same as shorewall 'reject' { action => 'DROP', dsttype => 'BROADCAST' }, - { action => 'DROP', source => '224.0.0.0/4' }, + { action => 'DROP', source => '224.0.0.0/4' }, { action => 'DROP', proto => 'icmp' }, "-p tcp -j REJECT --reject-with tcp-reset", "-p udp -j REJECT --reject-with icmp-port-unreachable", @@ -410,7 +506,7 @@ my $pve_std_chains = { "-j REJECT --reject-with icmp-host-prohibited", ], 'PVEFW-Drop' => [ - # same as shorewall 'Drop', which is equal to DROP, + # same as shorewall 'Drop', which is equal to DROP, # but REJECT/DROP some packages to reduce logging, # and ACCEPT critical ICMP types { action => 'PVEFW-reject', proto => 'tcp', dport => '43' }, # REJECT 'auth' @@ -433,7 +529,7 @@ my $pve_std_chains = { { action => 'DROP', proto => 'udp', sport => 53 }, ], 'PVEFW-Reject' => [ - # same as shorewall 'Reject', which is equal to Reject, + # same as shorewall 'Reject', which is equal to Reject, # but REJECT/DROP some packages to reduce logging, # and ACCEPT critical ICMP types { action => 'PVEFW-reject', proto => 'tcp', dport => '43' }, # REJECT 'auth' @@ -521,6 +617,9 @@ sub init_firewall_macros { foreach my $k (keys %$pve_fw_macros) { my $lc_name = lc($k); my $macro = $pve_fw_macros->{$k}; + if (!ref($macro->[0])) { + $pve_fw_macro_descr->{$k} = shift @$macro; + } $pve_fw_preferred_macro_names->{$lc_name} = $k; $pve_fw_parsed_macros->{$k} = $macro; } @@ -528,6 +627,10 @@ sub init_firewall_macros { init_firewall_macros(); +sub get_macros { + return wantarray ? ($pve_fw_parsed_macros, $pve_fw_macro_descr): $pve_fw_parsed_macros; +} + my $etc_services; sub get_etc_services { @@ -601,47 +704,57 @@ sub get_etc_protocols { sub parse_address_list { my ($str) = @_; - my $nbaor = 0; - foreach my $aor (split(/,/, $str)) { - if (!Net::IP->new($aor)) { + return if $str =~ m/^(\+)(\S+)$/; # ipset ref + + my $count = 0; + my $iprange = 0; + foreach my $elem (split(/,/, $str)) { + $count++; + if (!Net::IP->new($elem)) { my $err = Net::IP::Error(); die "invalid IP address: $err\n"; - }else{ - $nbaor++; } + $iprange = 1 if $elem =~ m/-/; } - return $nbaor; + + die "you can use a range in a list\n" if $iprange && $count > 1; } sub parse_port_name_number_or_range { my ($str) = @_; my $services = PVE::Firewall::get_etc_services(); - my $nbports = 0; + my $count = 0; + my $icmp_port = 0; + foreach my $item (split(/,/, $str)) { - my $portlist = ""; - my $oldpon = undef; - $nbports++; - foreach my $pon (split(':', $item, 2)) { - $pon = $services->{byname}->{$pon}->{port} if $services->{byname}->{$pon}->{port}; - if ($pon =~ m/^\d+$/){ - die "invalid port '$pon'\n" if $pon < 0 && $pon > 65535; - die "port '$pon' must be bigger than port '$oldpon' \n" if $oldpon && ($pon < $oldpon); - $oldpon = $pon; - }else{ - die "invalid port $services->{byname}->{$pon}\n" if !$services->{byname}->{$pon}; + $count++; + if ($item =~ m/^(\d+):(\d+)$/) { + my ($port1, $port2) = ($1, $2); + die "invalid port '$port1'\n" if $port1 > 65535; + die "invalid port '$port2'\n" if $port2 > 65535; + } elsif ($item =~ m/^(\d+)$/) { + my $port = $1; + die "invalid port '$port'\n" if $port > 65535; + } else { + if ($icmp_type_names->{$item}) { + $icmp_port = 1; + } else { + die "invalid port '$item'\n" if !$services->{byname}->{$item}; } } } - return ($nbports); + die "ICPM ports not allowed in port range\n" if $icmp_port && $count > 1; + + return $count; } PVE::JSONSchema::register_format('pve-fw-port-spec', \&pve_fw_verify_port_spec); sub pve_fw_verify_port_spec { my ($portstr) = @_; - parse_port_name_number_or_range($portstr); + parse_port_name_number_or_range($portstr); return $portstr; } @@ -690,9 +803,12 @@ my $rule_properties = { enum => ['in', 'out', 'group'], }, action => { + description => "Rule action ('ACCEPT', 'DROP', 'REJECT') or security group name.", type => 'string', optional => 1, - enum => ['ACCEPT', 'DROP', 'REJECT'], + pattern => $security_group_pattern, + maxLength => 20, + minLength => 2, }, macro => { type => 'string', @@ -751,12 +867,134 @@ sub add_rule_properties { my ($properties) = @_; foreach my $k (keys %$rule_properties) { - $properties->{$k} = $rule_properties->{$k}; + my $h = $rule_properties->{$k}; + # copy data, so that we can modify later without side effects + foreach my $opt (keys %$h) { $properties->{$k}->{$opt} = $h->{$opt}; } } - + return $properties; } +sub delete_rule_properties { + my ($rule, $delete_str) = @_; + + foreach my $opt (PVE::Tools::split_list($delete_str)) { + raise_param_exc({ 'delete' => "no such property ('$opt')"}) + if !defined($rule_properties->{$opt}); + raise_param_exc({ 'delete' => "unable to delete required property '$opt'"}) + if $opt eq 'type' || $opt eq 'action'; + delete $rule->{$opt}; + } + + return $rule; +} + +my $apply_macro = sub { + my ($macro_name, $param, $verify) = @_; + + my $macro_rules = $pve_fw_parsed_macros->{$macro_name}; + die "unknown macro '$macro_name'\n" if !$macro_rules; # should not happen + + my $rules = []; + + foreach my $templ (@$macro_rules) { + my $rule = {}; + my $param_used = {}; + foreach my $k (keys %$templ) { + my $v = $templ->{$k}; + if ($v eq 'PARAM') { + $v = $param->{$k}; + $param_used->{$k} = 1; + } elsif ($v eq 'DEST') { + $v = $param->{dest}; + $param_used->{dest} = 1; + } elsif ($v eq 'SOURCE') { + $v = $param->{source}; + $param_used->{source} = 1; + } + + if (!defined($v)) { + my $msg = "missing parameter '$k' in macro '$macro_name'"; + raise_param_exc({ macro => $msg }) if $verify; + die "$msg\n"; + } + $rule->{$k} = $v; + } + foreach my $k (keys %$param) { + next if $k eq 'macro'; + next if !defined($param->{$k}); + next if $param_used->{$k}; + if (defined($rule->{$k})) { + if ($rule->{$k} ne $param->{$k}) { + my $msg = "parameter '$k' already define in macro (value = '$rule->{$k}')"; + raise_param_exc({ $k => $msg }) if $verify; + die "$msg\n"; + } + } else { + $rule->{$k} = $param->{$k}; + } + } + push @$rules, $rule; + } + + return $rules; +}; + +sub verify_rule { + my ($rule, $allow_groups) = @_; + + my $type = $rule->{type}; + + raise_param_exc({ type => "missing property"}) if !$type; + raise_param_exc({ action => "missing property"}) if !$rule->{action}; + + if ($type eq 'in' || $type eq 'out') { + raise_param_exc({ action => "unknown action '$rule->{action}'"}) + if $rule->{action} !~ m/^(ACCEPT|DROP|REJECT)$/; + } elsif ($type eq 'group') { + raise_param_exc({ type => "security groups not allowed"}) + if !$allow_groups; + raise_param_exc({ action => "invalid characters in security group name"}) + if $rule->{action} !~ m/^${security_group_pattern}$/; + } else { + raise_param_exc({ type => "unknown rule type '$type'"}); + } + + # fixme: verify $rule->{iface}? + + if ($rule->{macro}) { + my $preferred_name = $pve_fw_preferred_macro_names->{lc($rule->{macro})}; + raise_param_exc({ macro => "unknown macro '$rule->{macro}'"}) if !$preferred_name; + $rule->{macro} = $preferred_name; + } + + if ($rule->{dport}) { + eval { parse_port_name_number_or_range($rule->{dport}); }; + raise_param_exc({ dport => $@ }) if $@; + } + + if ($rule->{sport}) { + eval { parse_port_name_number_or_range($rule->{sport}); }; + raise_param_exc({ sport => $@ }) if $@; + } + + if ($rule->{source}) { + eval { parse_address_list($rule->{source}); }; + raise_param_exc({ source => $@ }) if $@; + } + + if ($rule->{dest}) { + eval { parse_address_list($rule->{dest}); }; + raise_param_exc({ dest => $@ }) if $@; + } + + if ($rule->{macro}) { + &$apply_macro($rule->{macro}, $rule, 1); + } + + return $rule; +} + sub copy_rule_data { my ($rule, $param) = @_; @@ -771,6 +1009,9 @@ sub copy_rule_data { delete $rule->{$k}; } } + + # verify rule now + return $rule; } @@ -893,7 +1134,7 @@ sub ipset_get_chains { return if $line =~ m/^#/; return if $line =~ m/^\s*$/; - if ($line =~ m/^(?:\S+)\s(\S+)\s(?:\S+).*/) { + if ($line =~ m/^(?:\S+)\s(PVEFW-\S+)\s(?:\S+).*/) { my $chain = $1; $line =~ s/\s+$//; # delete trailing white space push @{$chains->{$chain}}, $line; @@ -914,7 +1155,7 @@ sub ipset_get_chains { } sub ruleset_generate_cmdstr { - my ($ruleset, $chain, $rule, $actions, $goto) = @_; + my ($ruleset, $chain, $rule, $actions, $goto, $cluster_conf) = @_; return if defined($rule->{enable}) && !$rule->{enable}; @@ -922,18 +1163,40 @@ sub ruleset_generate_cmdstr { my $nbdport = defined($rule->{dport}) ? parse_port_name_number_or_range($rule->{dport}) : 0; my $nbsport = defined($rule->{sport}) ? parse_port_name_number_or_range($rule->{sport}) : 0; - my $nbsource = $rule->{source} ? parse_address_list( $rule->{source}) : 0; - my $nbdest = $rule->{dest} ? parse_address_list($rule->{dest}) : 0; my @cmd = (); push @cmd, "-i $rule->{iface_in}" if $rule->{iface_in}; push @cmd, "-o $rule->{iface_out}" if $rule->{iface_out}; - push @cmd, "-m iprange --src-range" if $nbsource > 1; - push @cmd, "-s $rule->{source}" if $rule->{source}; - push @cmd, "-m iprange --dst-range" if $nbdest > 1; - push @cmd, "-d $rule->{dest}" if $rule->{dest}; + my $source = $rule->{source}; + my $dest = $rule->{dest}; + + if ($source) { + if ($source =~ m/^(\+)(\S+)$/) { + die "no such ipset $2" if !$cluster_conf->{ipset}->{$2}; + push @cmd, "-m set --match-set PVEFW-$2 src"; + + } elsif ($source =~ m/\-/){ + push @cmd, "-m iprange --src-range $source"; + + } else { + push @cmd, "-s $source"; + } + } + + if ($dest) { + if ($dest =~ m/^(\+)(\S+)$/) { + die "no such ipset $2" if !$cluster_conf->{ipset}->{$2}; + push @cmd, "-m set --match-set PVEFW-$2 dst"; + + } elsif ($dest =~ m/^(\d+)\.(\d+).(\d+).(\d+)\-(\d+)\.(\d+).(\d+).(\d+)$/){ + push @cmd, "-m iprange --dst-range $dest"; + + } else { + push @cmd, "-s $dest"; + } + } if ($rule->{proto}) { push @cmd, "-p $rule->{proto}"; @@ -944,7 +1207,7 @@ sub ruleset_generate_cmdstr { push @cmd, "--match multiport" if $multiport; - die "multiport: option '--sports' cannot be used together with '--dports'\n" + die "multiport: option '--sports' cannot be used together with '--dports'\n" if ($multiport == 2) && ($rule->{dport} ne $rule->{sport}); if ($rule->{dport}) { @@ -980,7 +1243,7 @@ sub ruleset_generate_cmdstr { push @cmd, "-m addrtype --dst-type $rule->{dsttype}" if $rule->{dsttype}; if (my $action = $rule->{action}) { - $action = $actions->{$action} if defined($actions->{$action}); + $action = $actions->{$action} if defined($actions->{$action}); $goto = 1 if !defined($goto) && $action eq 'PVEFW-SET-ACCEPT-MARK'; push @cmd, $goto ? "-g $action" : "-j $action"; } @@ -988,52 +1251,8 @@ sub ruleset_generate_cmdstr { return scalar(@cmd) ? join(' ', @cmd) : undef; } -my $apply_macro = sub { - my ($macro_name, $param) = @_; - - my $macro_rules = $pve_fw_parsed_macros->{$macro_name}; - die "unknown macro '$macro_name'\n" if !$macro_rules; # should not happen - - my $rules = []; - - foreach my $templ (@$macro_rules) { - my $rule = {}; - my $param_used = {}; - foreach my $k (keys %$templ) { - my $v = $templ->{$k}; - if ($v eq 'PARAM') { - $v = $param->{$k}; - $param_used->{$k} = 1; - } elsif ($v eq 'DEST') { - $v = $param->{dest}; - $param_used->{dest} = 1; - } elsif ($v eq 'SOURCE') { - $v = $param->{source}; - $param_used->{source} = 1; - } - - die "missing parameter '$k' in macro '$macro_name'\n" if !defined($v); - $rule->{$k} = $v; - } - foreach my $k (keys %$param) { - next if $k eq 'macro'; - next if !defined($param->{$k}); - next if $param_used->{$k}; - if (defined($rule->{$k})) { - die "parameter '$k' already define in macro (value = '$rule->{$k}')\n" - if $rule->{$k} ne $param->{$k}; - } else { - $rule->{$k} = $param->{$k}; - } - } - push @$rules, $rule; - } - - return $rules; -}; - sub ruleset_generate_rule { - my ($ruleset, $chain, $rule, $actions, $goto) = @_; + my ($ruleset, $chain, $rule, $actions, $goto, $cluster_conf) = @_; my $rules; @@ -1043,8 +1262,8 @@ sub ruleset_generate_rule { $rules = [ $rule ]; } - foreach my $tmp (@$rules) { - if (my $cmdstr = ruleset_generate_cmdstr($ruleset, $chain, $tmp, $actions, $goto)) { + foreach my $tmp (@$rules) { + if (my $cmdstr = ruleset_generate_cmdstr($ruleset, $chain, $tmp, $actions, $goto, $cluster_conf)) { ruleset_addrule($ruleset, $chain, $cmdstr); } } @@ -1095,12 +1314,12 @@ sub ruleset_insertrule { sub get_log_rule_base { my ($chain, $vmid, $msg, $loglevel) = @_; - + die "internal error - no log level" if !defined($loglevel); $vmid = 0 if !defined($vmid); - # Note: we use special format for prefix to pass further + # Note: we use special format for prefix to pass further # info to log daemon (VMID, LOGVELEL and CHAIN) return "-j NFLOG --nflog-prefix \":$vmid:$loglevel:$chain: $msg\""; @@ -1186,10 +1405,10 @@ sub ruleset_create_vm_chain { if (!(defined($options->{dhcp}) && $options->{dhcp} == 0)) { if ($direction eq 'OUT') { - ruleset_generate_rule($ruleset, $chain, { action => 'PVEFW-SET-ACCEPT-MARK', + ruleset_generate_rule($ruleset, $chain, { action => 'PVEFW-SET-ACCEPT-MARK', proto => 'udp', sport => 68, dport => 67 }); } else { - ruleset_generate_rule($ruleset, $chain, { action => 'ACCEPT', + ruleset_generate_rule($ruleset, $chain, { action => 'ACCEPT', proto => 'udp', sport => 67, dport => 68 }); } } @@ -1199,20 +1418,18 @@ sub ruleset_create_vm_chain { } ruleset_addrule($ruleset, $chain, "-m conntrack --ctstate INVALID -j DROP"); - if($direction eq 'OUT'){ + if ($direction eq 'OUT') { ruleset_addrule($ruleset, $chain, "-m conntrack --ctstate RELATED,ESTABLISHED -g PVEFW-SET-ACCEPT-MARK"); - - }else{ + } else { ruleset_addrule($ruleset, $chain, "-m conntrack --ctstate RELATED,ESTABLISHED -j $accept"); } + if ($direction eq 'OUT') { if (defined($macaddr) && !(defined($options->{macfilter}) && $options->{macfilter} == 0)) { ruleset_addrule($ruleset, $chain, "-m mac ! --mac-source $macaddr -j DROP"); } ruleset_addrule($ruleset, $chain, "-j MARK --set-mark 0"); # clear mark } - - } sub ruleset_generate_vm_rules { @@ -1224,7 +1441,7 @@ sub ruleset_generate_vm_rules { next if $rule->{iface} && $rule->{iface} ne $netid; next if !$rule->{enable}; if ($rule->{type} eq 'group') { - my $group_chain = "GROUP-$rule->{action}-$direction"; + my $group_chain = "GROUP-$rule->{action}-$direction"; if(!ruleset_chain_exist($ruleset, $group_chain)){ generate_group_rules($ruleset, $cluster_conf, $rule->{action}); } @@ -1239,11 +1456,11 @@ sub ruleset_generate_vm_rules { } else { next if $rule->{type} ne $lc_direction; if ($direction eq 'OUT') { - ruleset_generate_rule($ruleset, $chain, $rule, - { ACCEPT => "PVEFW-SET-ACCEPT-MARK", REJECT => "PVEFW-reject" }); + ruleset_generate_rule($ruleset, $chain, $rule, + { ACCEPT => "PVEFW-SET-ACCEPT-MARK", REJECT => "PVEFW-reject" }, undef, $cluster_conf); } else { my $accept = generate_nfqueue($options); - ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => $accept , REJECT => "PVEFW-reject" }); + ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => $accept , REJECT => "PVEFW-reject" }, undef, $cluster_conf); } } } @@ -1419,7 +1636,7 @@ sub enable_host_firewall { foreach my $rule (@$rules) { next if $rule->{type} ne 'in'; - ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => $accept_action, REJECT => "PVEFW-reject" }); + ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => $accept_action, REJECT => "PVEFW-reject" }, undef, $cluster_conf); } # implement input policy @@ -1444,7 +1661,7 @@ sub enable_host_firewall { foreach my $rule (@$rules) { next if $rule->{type} ne 'out'; - ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => $accept_action, REJECT => "PVEFW-reject" }); + ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => $accept_action, REJECT => "PVEFW-reject" }, undef, $cluster_conf); } # implement output policy @@ -1468,7 +1685,7 @@ sub generate_group_rules { foreach my $rule (@$rules) { next if $rule->{type} ne 'in'; - ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => "PVEFW-SET-ACCEPT-MARK", REJECT => "PVEFW-reject" }); + ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => "PVEFW-SET-ACCEPT-MARK", REJECT => "PVEFW-reject" }, undef, $cluster_conf); } $chain = "GROUP-${group}-OUT"; @@ -1480,8 +1697,8 @@ sub generate_group_rules { next if $rule->{type} ne 'out'; # we use PVEFW-SET-ACCEPT-MARK (Instead of ACCEPT) because we need to # check also other tap rules later - ruleset_generate_rule($ruleset, $chain, $rule, - { ACCEPT => 'PVEFW-SET-ACCEPT-MARK', REJECT => "PVEFW-reject" }); + ruleset_generate_rule($ruleset, $chain, $rule, + { ACCEPT => 'PVEFW-SET-ACCEPT-MARK', REJECT => "PVEFW-reject" }, undef, $cluster_conf); } } @@ -1536,7 +1753,7 @@ sub parse_fw_rule { die "wrong number of rule elements\n" if scalar(@data) != 3; die "groups disabled\n" if !$allow_groups; - die "invalid characters in group name\n" if $action !~ m/^[A-Za-z0-9_\-]+$/; + die "invalid characters in group name\n" if $action !~ m/^${security_group_pattern}$/; } else { die "unknown rule type '$type'\n"; } @@ -1556,7 +1773,7 @@ sub parse_fw_rule { parse_port_name_number_or_range($dport) if defined($dport); parse_port_name_number_or_range($sport) if defined($sport); - + parse_address_list($source) if $source; parse_address_list($dest) if $dest; @@ -1744,11 +1961,11 @@ sub parse_host_fw_rules { warn "$prefix: $err"; next; } - + push @{$res->{$section}}, $rule; } - $res->{digest} = $digest->b64digest; +$res->{digest} = $digest->b64digest; return $res; } @@ -1780,6 +1997,7 @@ sub parse_cluster_fw_rules { if ($line =~ m/^\[group\s+(\S+)\]\s*$/i) { $section = 'groups'; $group = lc($1); + $res->{$section}->{$group} = []; next; } @@ -1787,15 +2005,16 @@ sub parse_cluster_fw_rules { $section = 'rules'; next; } - - if ($line =~ m/^\[netgroup\s+(\S+)\]\s*$/i) { + + if ($line =~ m/^\[ipset\s+(\S+)\]\s*$/i) { $section = 'ipset'; $group = lc($1); + $res->{$section}->{$group} = []; next; } if (!$section) { - warn "$prefix: skip line - no section"; + warn "$prefix: skip line - no section\n"; next; } @@ -1822,22 +2041,26 @@ sub parse_cluster_fw_rules { } push @{$res->{$section}->{$group}}, $rule; } elsif ($section eq 'ipset') { - chomp $line; - $line =~ m/^(\!)?(\s)?((\d+)\.(\d+)\.(\d+)\.(\d+)(\/(\d+))?)/; + # we can add single line comments to the end of the rule + my $comment = decode('utf8', $1) if $line =~ s/#\s*(.*?)\s*$//; + + $line =~ m/^(\!)?\s*(\S+)\s*$/; my $nomatch = $1; - my $ip = $3; + my $cidr = $2; - if(!$ip){ - warn "$prefix: $line is not an valid ip address"; - next; - } - if (!Net::IP->new($ip)) { - warn "$prefix: $line is not an valid ip address"; + $cidr =~ s|/32$||; + + eval { pve_verify_ipv4_or_cidr($cidr); }; + if (my $err = $@) { + warn "$prefix: $cidr - $err"; next; } - $ip .= " nomatch" if $nomatch; - push @{$res->{$section}->{$group}}, $ip; + my $entry = { cidr => $cidr }; + $entry->{nomatch} = 1 if $nomatch; + $entry->{comment} = $comment if $comment; + + push @{$res->{$section}->{$group}}, $entry; } } @@ -1912,21 +2135,29 @@ my $format_rules = sub { my $raw = ''; foreach my $rule (@$rules) { - if ($rule->{type} eq 'in' || $rule->{type} eq 'out') { + if ($rule->{type} eq 'in' || $rule->{type} eq 'out' || $rule->{type} eq 'group') { $raw .= '|' if defined($rule->{enable}) && !$rule->{enable}; $raw .= uc($rule->{type}); - $raw .= " " . $rule->{action}; + if ($rule->{macro}) { + $raw .= " $rule->{macro}($rule->{action})"; + } else { + $raw .= " " . $rule->{action}; + } $raw .= " " . ($rule->{iface} || '-') if $need_iface; - $raw .= " " . ($rule->{source} || '-'); - $raw .= " " . ($rule->{dest} || '-'); - $raw .= " " . ($rule->{proto} || '-'); - $raw .= " " . ($rule->{dport} || '-'); - $raw .= " " . ($rule->{sport} || '-'); - $raw .= " # " . encode('utf8', $rule->{comment}) + + if ($rule->{type} ne 'group') { + $raw .= " " . ($rule->{source} || '-'); + $raw .= " " . ($rule->{dest} || '-'); + $raw .= " " . ($rule->{proto} || '-'); + $raw .= " " . ($rule->{dport} || '-'); + $raw .= " " . ($rule->{sport} || '-'); + } + + $raw .= " # " . encode('utf8', $rule->{comment}) if $rule->{comment} && $rule->{comment} !~ m/^\s*$/; $raw .= "\n"; } else { - die "implement me '$rule->{type}'"; + die "unknown rule type '$rule->{type}'"; } } @@ -1947,6 +2178,28 @@ my $format_options = sub { return $raw; }; +my $format_ipset = sub { + my ($options) = @_; + + my $raw = ''; + + my $nethash = {}; + foreach my $entry (@$options) { + $nethash->{$entry->{cidr}} = $entry; + } + + foreach my $cidr (sort keys %$nethash) { + my $entry = $nethash->{$cidr}; + my $line = $entry->{nomatch} ? '!' : ''; + $line .= $entry->{cidr}; + $line .= " # " . encode('utf8', $entry->{comment}) + if $entry->{comment} && $entry->{comment} !~ m/^\s*$/; + $raw .= "$line\n"; + } + + return $raw; +}; + sub save_vmfw_conf { my ($vmid, $vmfw_conf) = @_; @@ -1954,7 +2207,7 @@ sub save_vmfw_conf { my $options = $vmfw_conf->{options}; $raw .= &$format_options($options) if scalar(keys %$options); - + my $rules = $vmfw_conf->{rules}; if (scalar(@$rules)) { $raw .= "[RULES]\n\n"; @@ -1998,7 +2251,7 @@ sub get_option_log_level { sub generate_std_chains { my ($ruleset, $options) = @_; - + my $loglevel = get_option_log_level($options, 'smurf_log_level'); # same as shorewall smurflog. @@ -2030,7 +2283,7 @@ sub generate_ipset_chains { my ($ipset_ruleset, $fw_conf) = @_; foreach my $ipset (keys %{$fw_conf->{ipset}}) { - generate_ipset($ipset_ruleset, $ipset, $fw_conf->{ipset}->{$ipset}); + generate_ipset($ipset_ruleset, "PVEFW-$ipset", $fw_conf->{ipset}->{$ipset}); } } @@ -2046,8 +2299,25 @@ sub generate_ipset { push @{$ipset_ruleset->{$name}}, "create $name hash:net family inet hashsize $hashsize maxelem $hashsize"; - foreach my $ip (@$options) { - push @{$ipset_ruleset->{$name}}, "add $name $ip"; + # remove duplicates + my $nethash = {}; + foreach my $entry (@$options) { + $nethash->{$entry->{cidr}} = $entry; + } + + foreach my $cidr (sort keys %$nethash) { + my $entry = $nethash->{$cidr}; + + my $cmd = "add $name $cidr"; + if ($entry->{nomatch}) { + if ($feature_ipset_nomatch) { + push @{$ipset_ruleset->{$name}}, "$cmd nomatch"; + } else { + warn "ignore !$cidr - nomatch not supported by kernel\n"; + } + } else { + push @{$ipset_ruleset->{$name}}, $cmd; + } } } @@ -2129,7 +2399,12 @@ sub save_clusterfw_conf { my $options = $cluster_conf->{options}; $raw .= &$format_options($options) if scalar(keys %$options); - # fixme: save ipset + foreach my $ipset (sort keys %{$cluster_conf->{ipset}}) { + $raw .= "[IPSET $ipset]\n\n"; + my $options = $cluster_conf->{ipset}->{$ipset}; + $raw .= &$format_ipset($options); + $raw .= "\n"; + } my $rules = $cluster_conf->{rules}; if (scalar(@$rules)) { @@ -2164,7 +2439,7 @@ sub save_hostfw_conf { my $options = $hostfw_conf->{options}; $raw .= &$format_options($options) if scalar(keys %$options); - + my $rules = $hostfw_conf->{rules}; if (scalar(@$rules)) { $raw .= "[RULES]\n\n"; @@ -2223,9 +2498,9 @@ sub compile { generate_bridge_chains($ruleset, $hostfw_conf, $bridge, $routing_table); my $macaddr = $net->{macaddr}; - generate_tap_rules_direction($ruleset, $cluster_conf, $iface, $netid, $macaddr, + generate_tap_rules_direction($ruleset, $cluster_conf, $iface, $netid, $macaddr, $vmfw_conf, $vmid, $bridge, 'IN'); - generate_tap_rules_direction($ruleset, $cluster_conf, $iface, $netid, $macaddr, + generate_tap_rules_direction($ruleset, $cluster_conf, $iface, $netid, $macaddr, $vmfw_conf, $vmid, $bridge, 'OUT'); } } @@ -2253,14 +2528,14 @@ sub compile { warn "no bridge device for CT $vmid iface '$netid'\n"; next; # fixme? } - + generate_bridge_chains($ruleset, $hostfw_conf, $bridge, $routing_table); my $macaddr = $d->{mac}; my $iface = $d->{host_ifname}; - generate_tap_rules_direction($ruleset, $cluster_conf, $iface, $netid, $macaddr, + generate_tap_rules_direction($ruleset, $cluster_conf, $iface, $netid, $macaddr, $vmfw_conf, $vmid, $bridge, 'IN'); - generate_tap_rules_direction($ruleset, $cluster_conf, $iface, $netid, $macaddr, + generate_tap_rules_direction($ruleset, $cluster_conf, $iface, $netid, $macaddr, $vmfw_conf, $vmid, $bridge, 'OUT'); } } @@ -2282,11 +2557,11 @@ sub compile { ruleset_addrule($ruleset, "PVEFW-FORWARD", "-i venet0 -j RETURN"); # disable interbridge routing - ruleset_addrule($ruleset, "PVEFW-FORWARD", "-o vmbr+ -j PVEFW-Drop"); + ruleset_addrule($ruleset, "PVEFW-FORWARD", "-o vmbr+ -j PVEFW-Drop"); ruleset_addrule($ruleset, "PVEFW-FORWARD", "-i vmbr+ -j PVEFW-Drop"); - ruleset_addlog($ruleset, "PVEFW-FORWARD", 0, "DROP: ", $loglevel, "-o vmbr+"); - ruleset_addlog($ruleset, "PVEFW-FORWARD", 0, "DROP: ", $loglevel, "-i vmbr+"); - ruleset_addrule($ruleset, "PVEFW-FORWARD", "-o vmbr+ -j DROP"); + ruleset_addlog($ruleset, "PVEFW-FORWARD", 0, "DROP: ", $loglevel, "-o vmbr+"); + ruleset_addlog($ruleset, "PVEFW-FORWARD", 0, "DROP: ", $loglevel, "-i vmbr+"); + ruleset_addrule($ruleset, "PVEFW-FORWARD", "-o vmbr+ -j DROP"); ruleset_addrule($ruleset, "PVEFW-FORWARD", "-i vmbr+ -j DROP"); return wantarray ? ($ruleset, $hostfw_conf, $ipset_ruleset) : $ruleset; @@ -2341,7 +2616,7 @@ sub get_ruleset_cmdlist { my ($ruleset, $verbose) = @_; my $cmdlist = "*filter\n"; # we pass this to iptables-restore; - + my ($active_chains, $hooks) = iptables_get_chains(); my $statushash = get_ruleset_status($ruleset, $active_chains, \&iptables_chain_digest, $verbose); @@ -2408,6 +2683,13 @@ sub get_ipset_cmdlist { my $active_chains = ipset_get_chains(); my $statushash = get_ruleset_status($ruleset, $active_chains, \&ipset_chain_digest, $verbose); + # remove stale _swap chains + foreach my $chain (keys %$active_chains) { + if ($chain =~ m/^PVEFW-\S+_swap$/) { + $cmdlist .= "destroy $chain\n"; + } + } + foreach my $chain (sort keys %$ruleset) { my $stat = $statushash->{$chain}; die "internal error" if !$stat; @@ -2420,7 +2702,7 @@ sub get_ipset_cmdlist { if ($stat->{action} eq 'update') { my $chain_swap = $chain."_swap"; - + foreach my $cmd (@{$ruleset->{$chain}}) { $cmd =~ s/$chain/$chain_swap/; $cmdlist .= "$cmd\n"; @@ -2440,7 +2722,7 @@ sub get_ipset_cmdlist { } my $changes = ($cmdlist || $delete_cmdlist) ? 1 : 0; - + return ($cmdlist, $delete_cmdlist, $changes); } @@ -2451,7 +2733,7 @@ sub apply_ruleset { update_nf_conntrack_max($hostfw_conf); - my ($ipset_create_cmdlist, $ipset_delete_cmdlist, $ipset_changes) = + my ($ipset_create_cmdlist, $ipset_delete_cmdlist, $ipset_changes) = get_ipset_cmdlist($ipset_ruleset, undef, $verbose); my ($cmdlist, $changes) = get_ruleset_cmdlist($ruleset, $verbose); @@ -2525,7 +2807,7 @@ sub remove_pvefw_chains { $cmdlist .= "-D $h -j PVEFW-$h\n"; } } - + foreach my $chain (keys %$chash) { $cmdlist .= "-F $chain\n"; }