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;
$have_pve_manager = 1;
};
+PVE::JSONSchema::register_format('IPv4orCIDR', \&pve_verify_ipv4_or_cidr);
+sub pve_verify_ipv4_or_cidr {
+ my ($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,
+});
+
+PVE::JSONSchema::register_standard_option('pve-fw-loglevel' => {
+ description => "Log level.",
+ type => 'string',
+ enum => ['emerg', 'alert', 'crit', 'err', 'warning', 'notice', 'info', 'debug', 'nolog'],
+ optional => 1,
+});
+
+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();
# 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' },
{ 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' },
{ 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 = {
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} = $macro;
}
init_firewall_macros();
+sub get_macros {
+ return wantarray ? ($pve_fw_parsed_macros, $pve_fw_macro_descr): $pve_fw_parsed_macros;
+}
+
my $etc_services;
sub get_etc_services {
sub parse_address_list {
my ($str) = @_;
- return if $str !~ m/^(\+)(\S+)$/; # ipset ref
+ return if $str =~ m/^(\+)(\S+)$/; # ipset ref
my $count = 0;
my $iprange = 0;
my ($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 $portstr;
}
# helper function for API
+sub copy_opject_with_digest {
+ my ($object) = @_;
+
+ my $sha = Digest::SHA->new('sha1');
+
+ my $res = {};
+ foreach my $k (sort keys %$object) {
+ my $v = $object->{$k};
+ next if !defined($v);
+ $res->{$k} = $v;
+ $sha->add($k, ':', $v, "\n");
+ }
+
+ my $digest = $sha->b64digest;
+
+ $res->{digest} = $digest;
+
+ return wantarray ? ($res, $digest) : $res;
+}
+
+sub copy_list_with_digest {
+ my ($list) = @_;
+
+ my $sha = Digest::SHA->new('sha1');
+
+ my $res = [];
+ foreach my $entry (@$list) {
+ my $data = {};
+ foreach my $k (sort keys %$entry) {
+ my $v = $entry->{$k};
+ next if !defined($v);
+ $data->{$k} = $v;
+ $sha->add($k, ':', $v, "\n");
+ }
+ push @$res, $data;
+ }
+
+ my $digest = $sha->b64digest;
+
+ foreach my $entry (@$res) {
+ $entry->{digest} = $digest;
+ }
+
+ return wantarray ? ($res, $digest) : $res;
+}
+
my $rule_properties = {
pos => {
description => "Update rule at position <pos>.",
minimum => 0,
optional => 1,
},
- digest => {
- type => 'string',
- optional => 1,
- maxLength => 27,
- minLength => 27,
- },
+ digest => get_standard_option('pve-config-digest'),
type => {
type => 'string',
optional => 1,
enum => ['in', 'out', 'group'],
},
action => {
+ description => "Rule action ('ACCEPT', 'DROP', 'REJECT') or security group name.",
type => 'string',
optional => 1,
- enum => ['ACCEPT', 'DROP', 'REJECT'],
+ pattern => $security_group_pattern,
+ maxLength => 20,
+ minLength => 2,
},
macro => {
type => 'string',
},
};
-sub cleanup_fw_rule {
- my ($rule, $digest, $pos) = @_;
-
- my $r = {};
-
- foreach my $k (keys %$rule) {
- next if !$rule_properties->{$k};
- my $v = $rule->{$k};
- next if !defined($v);
- $r->{$k} = $v;
- $r->{digest} = $digest;
- $r->{pos} = $pos;
- }
-
- return $r;
-}
-
sub add_rule_properties {
my ($properties) = @_;
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) = @_;
delete $rule->{$k};
}
}
+
+ # verify rule now
+
return $rule;
}
push @cmd, "-m iprange --dst-range $dest";
} else {
- push @cmd, "-s $dest";
+ push @cmd, "-d $dest";
}
}
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, $cluster_conf) = @_;
$action .= " --queue-num $1";
}
}
- $action .= " --queue-bypass";
+ $action .= " --queue-bypass" if $feature_ipset_nomatch; #need kernel 3.10
}else{
$action = "ACCEPT";
}
# fixme: allow security groups
my $options = $hostfw_conf->{options};
+ my $cluster_options = $cluster_conf->{options};
my $rules = $hostfw_conf->{rules};
+ my $cluster_rules = $cluster_conf->{rules};
# host inbound firewall
my $chain = "PVEFW-HOST-IN";
# we use RETURN because we need to check also tap rules
my $accept_action = 'RETURN';
- foreach my $rule (@$rules) {
+ # add host rules first, so that cluster wide rules can be overwritten
+ foreach my $rule (@$rules, @$cluster_rules) {
next if $rule->{type} ne 'in';
ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => $accept_action, REJECT => "PVEFW-reject" }, undef, $cluster_conf);
}
# implement input policy
- my $policy = $options->{policy_in} || 'DROP'; # allow nothing by default
+ my $policy = $cluster_options->{policy_in} || 'DROP'; # allow nothing by default
ruleset_add_chain_policy($ruleset, $chain, 0, $policy, $loglevel, $accept_action);
# host outbound firewall
# we use RETURN because we may want to check other thigs later
$accept_action = 'RETURN';
- foreach my $rule (@$rules) {
+ # add host rules first, so that cluster wide rules can be overwritten
+ foreach my $rule (@$rules, @$cluster_rules) {
next if $rule->{type} ne 'out';
ruleset_generate_rule($ruleset, $chain, $rule, { ACCEPT => $accept_action, REJECT => "PVEFW-reject" }, undef, $cluster_conf);
}
# implement output policy
- $policy = $options->{policy_out} || 'ACCEPT'; # allow everything by default
+ $policy = $cluster_options->{policy_out} || 'ACCEPT'; # allow everything by default
ruleset_add_chain_policy($ruleset, $chain, 0, $policy, $loglevel, $accept_action);
ruleset_addrule($ruleset, "PVEFW-OUTPUT", "-j PVEFW-HOST-OUT");
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";
}
my $loglevels = "emerg|alert|crit|err|warning|notice|info|debug|nolog";
- if ($line =~ m/^(enable|dhcp|nosmurfs|tcpflags|allow_bridge_route|optimize):\s*(0|1)\s*$/i) {
+ if ($line =~ m/^(enable|nosmurfs|tcpflags|allow_bridge_route|optimize):\s*(0|1)\s*$/i) {
$opt = lc($1);
$value = int($2);
} elsif ($line =~ m/^(log_level_in|log_level_out|tcp_flags_log_level|smurf_log_level):\s*(($loglevels)\s*)?$/i) {
$opt = lc($1);
$value = $2 ? lc($3) : '';
- } elsif ($line =~ m/^(policy_(in|out)):\s*(ACCEPT|DROP|REJECT)\s*$/i) {
- $opt = lc($1);
- $value = uc($3);
- } elsif ($line =~ m/^(nf_conntrack_max):\s*(\d+)\s*$/i) {
+ } elsif ($line =~ m/^(nf_conntrack_max|nf_conntrack_tcp_timeout_established):\s*(\d+)\s*$/i) {
$opt = lc($1);
$value = int($2);
} else {
if ($line =~ m/^(enable):\s*(0|1)\s*$/i) {
$opt = lc($1);
$value = int($2);
+ } elsif ($line =~ m/^(policy_(in|out)):\s*(ACCEPT|DROP|REJECT)\s*$/i) {
+ $opt = lc($1);
+ $value = uc($3);
} else {
chomp $line;
die "can't parse option '$line'\n"
my $section;
- my $digest = Digest::SHA->new('sha1');
-
while (defined(my $line = <$fh>)) {
- $digest->add($line);
-
next if $line =~ m/^#/;
next if $line =~ m/^\s*$/;
push @{$res->{$section}}, $rule;
}
- $res->{digest} = $digest->b64digest;
-
return $res;
}
my $section;
- my $digest = Digest::SHA->new('sha1');
-
while (defined(my $line = <$fh>)) {
- $digest->add($line);
-
next if $line =~ m/^#/;
next if $line =~ m/^\s*$/;
push @{$res->{$section}}, $rule;
}
-$res->{digest} = $digest->b64digest;
-
return $res;
}
my $section;
my $group;
- my $res = { rules => [], options => {}, groups => {}, ipset => {} };
-
- my $digest = Digest::SHA->new('sha1');
+ my $res = {
+ rules => [],
+ options => {},
+ groups => {},
+ group_comments => {},
+ ipset => {} ,
+ ipset_comments => {},
+ };
while (defined(my $line = <$fh>)) {
- $digest->add($line);
-
next if $line =~ m/^#/;
next if $line =~ m/^\s*$/;
next;
}
- if ($line =~ m/^\[group\s+(\S+)\]\s*$/i) {
+ if ($line =~ m/^\[group\s+(\S+)\]\s*(?:#\s*(.*?)\s*)?$/i) {
$section = 'groups';
$group = lc($1);
+ my $comment = $2;
+ $res->{$section}->{$group} = [];
+ $res->{group_comments}->{$group} = decode('utf8', $comment)
+ if $comment;
next;
}
next;
}
- if ($line =~ m/^\[ipset\s+(\S+)\]\s*$/i) {
+ if ($line =~ m/^\[ipset\s+(\S+)\]\s*(?:#\s*(.*?)\s*)?$/i) {
$section = 'ipset';
$group = lc($1);
+ my $comment = $2;
+ $res->{$section}->{$group} = [];
+ $res->{ipset_comments}->{$group} = decode('utf8', $comment)
+ if $comment;
next;
}
}
push @{$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 = $2;
+ my $cidr = $2;
- if(!$ip){
- warn "$prefix: $line is not an valid ip address\n";
- next;
- }
- if (!Net::IP->new($ip)) {
- warn "$prefix: $line is not an valid ip address\n";
+ $cidr =~ s|/32$||;
+
+ eval { pve_verify_ipv4_or_cidr($cidr); };
+ if (my $err = $@) {
+ warn "$prefix: $cidr - $err";
next;
}
- if ($nomatch) {
- if ($feature_ipset_nomatch) {
- push @{$res->{$section}->{$group}}, "$ip nomatch";
- } else {
- warn "$prefix: ignore $line - nomatch not supported by kernel\n";
- }
- } else {
- push @{$res->{$section}->{$group}}, $ip;
- }
+ my $entry = { cidr => $cidr };
+ $entry->{nomatch} = 1 if $nomatch;
+ $entry->{comment} = $comment if $comment;
+
+ push @{$res->{$section}->{$group}}, $entry;
}
}
- $res->{digest} = $digest->b64digest;
return $res;
}
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} || '-');
+
+ 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}'";
}
}
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) = @_;
# same as shorewall smurflog.
my $chain = 'PVEFW-smurflog';
+ $pve_std_chains->{$chain} = [];
push @{$pve_std_chains->{$chain}}, get_log_rule_base($chain, 0, "DROP: ", $loglevel) if $loglevel;
push @{$pve_std_chains->{$chain}}, "-j DROP";
# same as shorewall logflags action.
$loglevel = get_option_log_level($options, 'tcp_flags_log_level');
$chain = 'PVEFW-logflags';
+ $pve_std_chains->{$chain} = [];
+
# fixme: is this correctly logged by pvewf-logger? (ther is no --log-ip-options for NFLOG)
push @{$pve_std_chains->{$chain}}, get_log_rule_base($chain, 0, "DROP: ", $loglevel) if $loglevel;
push @{$pve_std_chains->{$chain}}, "-j DROP";
push @{$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;
+ }
}
}
my $options = $cluster_conf->{options};
$raw .= &$format_options($options) if scalar(keys %$options);
- # fixme: save ipset
+ foreach my $ipset (sort keys %{$cluster_conf->{ipset}}) {
+ if (my $comment = $cluster_conf->{ipset_comments}->{$ipset}) {
+ my $utf8comment = encode('utf8', $comment);
+ $raw .= "[IPSET $ipset] # $utf8comment\n\n";
+ } else {
+ $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)) {
foreach my $group (sort keys %{$cluster_conf->{groups}}) {
my $rules = $cluster_conf->{groups}->{$group};
- $raw .= "[group $group]\n\n";
+ if (my $comment = $cluster_conf->{group_comments}->{$group}) {
+ my $utf8comment = encode('utf8', $comment);
+ $raw .= "[group $group] # $utf8comment\n\n";
+ } else {
+ $raw .= "[group $group]\n\n";
+ }
+
$raw .= &$format_rules($rules, 0);
$raw .= "\n";
}
}
sub compile {
+ my ($cluster_conf, $hostfw_conf) = @_;
+
+ $cluster_conf = load_clusterfw_conf() if !$cluster_conf;
+ $hostfw_conf = load_hostfw_conf() if !$hostfw_conf;
+
my $vmdata = read_local_vm_config();
my $vmfw_configs = read_vm_firewall_configs($vmdata);
my $routing_table = read_proc_net_route();
- my $cluster_conf = load_clusterfw_conf();
-
my $ipset_ruleset = {};
generate_ipset_chains($ipset_ruleset, $cluster_conf);
ruleset_create_chain($ruleset, "PVEFW-FORWARD");
- my $hostfw_conf = load_hostfw_conf();
my $hostfw_options = $hostfw_conf->{options} || {};
generate_std_chains($ruleset, $hostfw_options);
ruleset_addrule($ruleset, "PVEFW-FORWARD", "-o vmbr+ -j DROP");
ruleset_addrule($ruleset, "PVEFW-FORWARD", "-i vmbr+ -j DROP");
- return wantarray ? ($ruleset, $hostfw_conf, $ipset_ruleset) : $ruleset;
+ return ($ruleset, $ipset_ruleset);
}
sub get_ruleset_status {
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 !$stat;
update_nf_conntrack_max($hostfw_conf);
+ update_nf_conntrack_tcp_timeout_established($hostfw_conf);
+
my ($ipset_create_cmdlist, $ipset_delete_cmdlist, $ipset_changes) =
get_ipset_cmdlist($ipset_ruleset, undef, $verbose);
}
}
+sub update_nf_conntrack_tcp_timeout_established {
+ my ($hostfw_conf) = @_;
+
+ my $options = $hostfw_conf->{options} || {};
+
+ my $value = defined($options->{nf_conntrack_tcp_timeout_established}) ? $options->{nf_conntrack_tcp_timeout_established} : 432000;
+
+ PVE::ProcFSTools::write_proc_entry("/proc/sys/net/netfilter/nf_conntrack_tcp_timeout_established", $value);
+}
+
sub remove_pvefw_chains {
my ($chash, $hooks) = iptables_get_chains();
my ($start, $verbose) = @_;
my $code = sub {
+
+ my $cluster_conf = load_clusterfw_conf();
+ my $cluster_options = $cluster_conf->{options};
+
+ my $enable = $cluster_options->{enable};
+
my $status = read_pvefw_status();
- my ($ruleset, $hostfw_conf, $ipset_ruleset) = compile();
+ die "Firewall is disabled - cannot start\n" if !$enable && $start;
+
+ if (!$enable) {
+ PVE::Firewall::remove_pvefw_chains();
+ print "Firewall disabled\n" if $verbose;
+ return;
+ }
+
+ my $hostfw_conf = load_hostfw_conf();
+
+ my ($ruleset, $ipset_ruleset) = compile($cluster_conf, $hostfw_conf);
if ($start || $status eq 'active') {
projects / pve-firewall.git / blobdiff