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package network::ifw;
use Socket;
use lib qw(/usr/lib/libDrakX); # helps perl_checker
use common;
our @ISA = qw(dbus_object);
sub init {
my ($bus, $filter) = @_;
my $con = $bus->{connection};
$con->add_filter($filter);
$con->add_match("type='signal',interface='org.mageia.monitoring.ifw'");
}
sub new {
my ($type, $bus) = @_;
require dbus_object;
my $o = dbus_object::new($type,
$bus,
"org.mageia.monitoring",
"/org/mageia/monitoring/ifw",
"org.mageia.monitoring.ifw");
$o;
}
sub set_blacklist_verdict {
my ($o, $seq, $blacklist) = @_;
$o->call_method('SetBlacklistVerdict', Net::DBus::dbus_uint32($seq), Net::DBus::dbus_uint32($blacklist));
}
sub unblacklist {
my ($o, $addr) = @_;
$o->call_method('UnBlacklist', Net::DBus::dbus_uint32($addr));
}
sub whitelist {
my ($o, $addr) = @_;
$o->call_method('Whitelist', Net::DBus::dbus_uint32($addr));
}
sub unwhitelist {
my ($o, $addr) = @_;
$o->call_method('UnWhitelist', Net::DBus::dbus_uint32($addr));
}
sub get_interactive {
my ($o) = @_;
$o->call_method('GetMode');
}
sub set_interactive {
my ($o, $mode) = @_;
$o->call_method('SetMode', Net::DBus::dbus_uint32($mode));
}
sub get_reports {
my ($o, $o_include_processed) = @_;
$o->call_method('GetReports', Net::DBus::dbus_uint32(to_bool($o_include_processed)));
}
sub get_blacklist {
my ($o) = @_;
$o->call_method('GetBlacklist');
}
sub get_whitelist {
my ($o) = @_;
$o->call_method('GetWhitelist');
}
sub clear_processed_reports {
my ($o) = @_;
$o->call_method('ClearProcessedReports');
}
sub send_alert_ack {
my ($o) = @_;
$o->call_method('SendAlertAck');
}
sub send_manage_request {
my ($o) = @_;
$o->call_method('SendManageRequest');
}
sub format_date {
my ($timestamp) = @_;
require c;
# "%c" has strange effects on utf-8 locales
#c::strftime("%c", localtime($timestamp));
c::strftime("%Y-%m-%d %H:%M:%S", localtime($timestamp));
}
sub get_service {
my ($port) = @_;
getservbyport($port, undef) || $port;
}
sub get_protocol {
my ($protocol) = @_;
getprotobynumber($protocol) || $protocol;
}
sub get_ip_address {
my ($addr) = @_;
inet_ntoa(pack('L', $addr));
}
sub resolve_address {
my ($ip_addr) = @_;
#- try to resolve address, timeout after 2 seconds
my $hostname;
eval {
local $SIG{ALRM} = sub { die "ALARM" };
alarm 2;
$hostname = gethostbyaddr(inet_aton($ip_addr), Socket::AF_INET);
alarm 0;
};
$hostname || $ip_addr;
}
sub attack_to_hash {
my ($args) = @_;
my $attack = { mapn { $_[0] => $_[1] } [ 'timestamp', 'indev', 'prefix', 'sensor', 'protocol', 'addr', 'port', 'icmp_type', 'seq', 'processed' ], $args };
$attack->{port} = unpack('S', pack('n', $attack->{port}));
$attack->{date} = format_date($attack->{timestamp});
$attack->{ip_addr} = get_ip_address($attack->{addr});
$attack->{hostname} = resolve_address($attack->{ip_addr});
$attack->{protocol} = get_protocol($attack->{protocol});
$attack->{service} = get_service($attack->{port});
$attack->{type} =
$attack->{prefix} eq 'SCAN' ? N("Port scanning")
: $attack->{prefix} eq 'SERV' ? N("Service attack")
: $attack->{prefix} eq 'PASS' ? N("Password cracking")
: $attack->{prefix} eq 'NEW' ? N("New connection")
: N(qq("%s" attack), $attack->{prefix});
$attack->{msg} =
$attack->{prefix} eq "SCAN" ? N("A port scanning attack has been attempted by %s.", $attack->{hostname})
: $attack->{prefix} eq "SERV" ? N("The %s service has been attacked by %s.", $attack->{service}, $attack->{hostname})
: $attack->{prefix} eq "PASS" ? N("A password cracking attack has been attempted by %s.", $attack->{hostname})
: $attack->{prefix} eq "NEW" ? N("%s is connecting on the %s service.", $attack->{hostname}, $attack->{service})
: N(qq(A "%s" attack has been attempted by %s), $attack->{prefix}, $attack->{hostname});
$attack;
}
sub parse_listen_message {
my ($args) = @_;
my $listen = { mapn { $_[0] => $_[1] } [ 'program', 'port' ], $args };
$listen->{port} = unpack('S', pack('n', $listen->{port}));
$listen->{service} = get_service($listen->{port});
$listen->{message} = N("The \"%s\" application is trying to make a service (%s) available to the network.",
$listen->{program},
$listen->{service} ne $listen->{port} ? $listen->{service} :
#-PO: this should be kept lowercase since the expression is meant to be used between brackets
N("port %d", $listen->{port}),
);
$listen;
}
1;
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