use strict;
use lib qw(.);
use PVE::Firewall;
-use File::Path;
-use IO::File;
-use Data::Dumper;
use PVE::SafeSyslog;
use PVE::Cluster;
use PVE::INotify;
use PVE::RPCEnvironment;
-use PVE::QemuServer;
use PVE::JSONSchema qw(get_standard_option);
$rpcenv->set_language($ENV{LANG});
$rpcenv->set_user('root@pam');
-sub parse_fw_rules {
- my ($filename, $fh) = @_;
-
- my $section;
-
- my $res = { in => [], out => [] };
-
- while (defined(my $line = <$fh>)) {
- next if $line =~ m/^#/;
- next if $line =~ m/^\s*$/;
-
- if ($line =~ m/^\[(in|out)\]\s*$/i) {
- $section = lc($1);
- next;
- }
- next if !$section;
-
- my ($action, $iface, $source, $dest, $proto, $dport, $sport) =
- split(/\s+/, $line);
-
- if (!($action && $iface && $source && $dest)) {
- warn "skip incomplete line\n";
- next;
- }
-
- if ($action !~ m/^(ACCEPT|DROP)$/) {
- warn "unknown action '$action'\n";
-# next;
- }
-
- if ($iface !~ m/^(all|net0|net1|net2|net3|net4|net5)$/) {
- warn "unknown interface '$iface'\n";
- next;
- }
-
- if ($proto && $proto !~ m/^(icmp|tcp|udp)$/) {
- warn "unknown protokol '$proto'\n";
- next;
- }
-
- if ($source !~ m/^(any)$/) {
- warn "unknown source '$source'\n";
- next;
- }
-
- if ($dest !~ m/^(any)$/) {
- warn "unknown destination '$dest'\n";
- next;
- }
-
- my $rule = {
- action => $action,
- iface => $iface,
- source => $source,
- dest => $dest,
- proto => $proto,
- dport => $dport,
- sport => $sport,
- };
-
- push @{$res->{$section}}, $rule;
- }
-
- return $res;
-}
-
-sub read_local_vm_config {
-
- my $openvz = {};
-
- my $qemu = {};
-
- my $list = PVE::QemuServer::config_list();
-
- foreach my $vmid (keys %$list) {
- my $cfspath = PVE::QemuServer::cfs_config_path($vmid);
- if (my $conf = PVE::Cluster::cfs_read_file($cfspath)) {
- $qemu->{$vmid} = $conf;
- }
- }
-
- my $vmdata = { openvz => $openvz, qemu => $qemu };
-
- return $vmdata;
-};
-
-sub read_vm_firewall_rules {
- my ($vmdata) = @_;
-
- my $rules = {};
- foreach my $vmid (keys %{$vmdata->{qemu}}, keys %{$vmdata->{openvz}}) {
- my $filename = "/etc/pve/$vmid.fw";
- my $fh = IO::File->new($filename, O_RDONLY);
- next if !$fh;
-
- $rules->{$vmid} = parse_fw_rules($filename, $fh);
- }
-
- return $rules;
-}
-
__PACKAGE__->register_method ({
name => 'compile',
path => 'compile',
method => 'POST',
- description => "Compile firewall rules.",
+ description => "Compile amd print firewall rules. This is only for testing.",
parameters => {
additionalProperties => 0,
- properties => {},
+ properties => {
+ verbose => {
+ description => "Verbose output.",
+ type => "boolean",
+ optional => 1,
+ default => 0,
+ },
+ },
},
returns => { type => 'null' },
code => sub {
my ($param) = @_;
- my $vmdata = read_local_vm_config();
- my $rules = read_vm_firewall_rules();
-
- # print Dumper($vmdata);
-
- my $swdir = '/etc/shorewall';
- mkdir $swdir;
-
- PVE::Firewall::compile($swdir, $vmdata, $rules);
+ my $code = sub {
+ my $ruleset = PVE::Firewall::compile();
+ PVE::Firewall::get_ruleset_status($ruleset, 1) if $param->{verbose};
+ };
- PVE::Tools::run_command(['shorewall', 'compile']);
+ PVE::Firewall::run_locked($code);
return undef;
-
}});
__PACKAGE__->register_method ({
name => 'start',
path => 'start',
method => 'POST',
- description => "Start firewall.",
+ description => "Start (or restart if already active) firewall.",
parameters => {
additionalProperties => 0,
- properties => {},
+ properties => {
+ verbose => {
+ description => "Verbose output.",
+ type => "boolean",
+ optional => 1,
+ default => 0,
+ },
+ },
},
returns => { type => 'null' },
code => sub {
my ($param) = @_;
- PVE::Tools::run_command(['shorewall', 'start']);
+ my $code = sub {
+ my $ruleset = PVE::Firewall::compile();
+ PVE::Firewall::apply_ruleset($ruleset, $param->{verbose});
+ };
+
+ PVE::Firewall::run_locked($code);
return undef;
}});
name => 'stop',
path => 'stop',
method => 'POST',
- description => "Stop firewall.",
+ description => "Stop firewall. This will remove all rules installed by this script. The host is then unprotected.",
parameters => {
additionalProperties => 0,
properties => {},
code => sub {
my ($param) = @_;
- PVE::Tools::run_command(['shorewall', 'stop']);
-
- return undef;
- }});
-
-__PACKAGE__->register_method ({
- name => 'clear',
- path => 'clear',
- method => 'POST',
- description => "Clear will remove all rules installed by this script. The host is then unprotected.",
- parameters => {
- additionalProperties => 0,
- properties => {},
- },
- returns => { type => 'null' },
-
- code => sub {
- my ($param) = @_;
+ my $code = sub {
+ my $chash = PVE::Firewall::iptables_get_chains();
+ my $cmdlist = "*filter\n";
+ my $rule = "INPUT -j PVEFW-INPUT";
+ if (PVE::Firewall::iptables_rule_exist($rule)) {
+ $cmdlist .= "-D $rule\n";
+ }
+ $rule = "OUTPUT -j PVEFW-OUTPUT";
+ if (PVE::Firewall::iptables_rule_exist($rule)) {
+ $cmdlist .= "-D $rule\n";
+ }
+
+ $rule = "FORWARD -j PVEFW-FORWARD";
+ if (PVE::Firewall::iptables_rule_exist($rule)) {
+ $cmdlist .= "-D $rule\n";
+ }
+
+ foreach my $chain (keys %$chash) {
+ $cmdlist .= "-F $chain\n";
+ }
+ foreach my $chain (keys %$chash) {
+ $cmdlist .= "-X $chain\n";
+ }
+ $cmdlist .= "COMMIT\n";
+
+ PVE::Firewall::iptables_restore_cmdlist($cmdlist);
+ };
- PVE::Tools::run_command(['shorewall', 'clear']);
+ PVE::Firewall::run_locked($code);
return undef;
}});
compile => [ __PACKAGE__, 'compile', []],
start => [ __PACKAGE__, 'start', []],
stop => [ __PACKAGE__, 'stop', []],
- clear => [ __PACKAGE__, 'clear', []],
};
my $cmd = shift;
projects / pve-firewall.git / blobdiff