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package network::net_applet::ifw;
use lib qw(/usr/lib/libDrakX); # helps perl_checker
use common;
use network::ifw;
use ugtk3 qw(:create :helpers :wrappers :dialogs);
use mygtk3 qw(gtknew gtkset);
sub init() {
network::ifw::init($network::net_applet::dbus, sub {
my ($_con, $msg) = @_;
my $member = $msg->get_member;
if ($member eq 'Attack') {
handle_ifw_message($msg->get_args_list);
} elsif ($member eq 'Listen') {
handle_ifw_listen($msg->get_args_list);
} elsif ($member eq 'Init') {
create();
} elsif ($member eq 'AlertAck') {
$network::net_applet::ifw_alert = 0;
}
});
create();
}
sub create() {
if ($network::net_applet::ifw) {
$network::net_applet::ifw->attach_object;
main::checkNetworkForce();
} else {
$network::net_applet::ifw = eval { network::ifw->new($network::net_applet::dbus) };
}
}
sub enable_ifw_alert() {
unless ($network::net_applet::ifw_alert) {
$network::net_applet::ifw_alert = 1;
network::net_applet::update_tray_icon();
Glib::Timeout->add(1000, sub {
network::net_applet::update_tray_icon();
$network::net_applet::ifw_alert;
});
}
}
sub disable_ifw_alert() {
eval { $network::net_applet::ifw->send_alert_ack };
$network::net_applet::ifw_alert = 0;
network::net_applet::update_tray_icon();
}
sub get_unprocessed_ifw_messages() {
my @packets = eval { $network::net_applet::ifw->get_reports };
while (my @ifw_message = splice(@packets, 0, 10)) {
handle_ifw_message(@ifw_message);
}
}
sub set_verdict {
my ($attack, $apply_verdict) = @_;
eval { $apply_verdict->($attack) };
$@ and err_dialog(N("Interactive Firewall"), N("Unable to contact daemon"));
}
sub apply_verdict_blacklist {
my ($attack) = @_;
$network::net_applet::ifw->set_blacklist_verdict($attack->{seq}, 1);
}
sub apply_verdict_ignore {
my ($attack) = @_;
$network::net_applet::ifw->set_blacklist_verdict($attack->{seq}, 0);
}
sub apply_verdict_whitelist {
my ($attack) = @_;
$network::net_applet::ifw->whitelist($attack->{addr});
apply_verdict_ignore($attack);
}
sub handle_ifw_message {
my $message = network::ifw::attack_to_hash(\@_);
unless ($message->{msg}) {
print "unhandled attack type, skipping\n";
return;
}
my $is_attack = $message->{prefix} ne 'NEW';
enable_ifw_alert() if $is_attack;
return if !$network::net_applet::notification_queue;
$network::net_applet::notification_queue->add({
title => N("Interactive Firewall"),
pixbuf => $network::net_applet::pixbufs{firewall},
message => $message->{msg},
timeout => sub {
set_verdict($message, \&apply_verdict_ignore);
},
if_($is_attack,
urgency => 'critical',
actions => [ {
action => 'clicked',
label => #-PO: "Process" is a verb
N("Process attack"),
callback => sub {
disable_ifw_alert();
ask_attack_verdict($message);
},
} ],
),
});
}
sub ask_attack_verdict {
my ($attack) = @_;
my $w = ugtk3->new(N("Interactive Firewall: intrusion detected"),
icon => "drakfirewall");
my ($blacklist, $whitelist, $ignore, $auto);
my $update_automatic_mode = sub { $auto->get_active and $network::net_applet::interactive_cb->set_active(1) };
my $set_verdict = sub {
my ($verdict) = @_;
set_verdict($attack, $verdict);
$network::net_applet::notification_queue->process_next;
};
gtkadd($w->{window},
gtknew('VBox', spacing => 5, children_loose => [
gtknew('HBox', children => [
0, Gtk3::Image->new_from_stock('gtk-dialog-warning', 'dialog'),
0, gtknew('Label', text => " "),
1, gtknew('VBox', children => [
0, $attack->{msg},
0, N("What do you want to do with this attacker?")
])
]),
gtksignal_connect(gtkadd(Gtk3::Expander->new(N("Attack details")),
gtknew('HBox', children => [
0, gtknew('Label', text => " "),
1, gtknew('VBox', children_loose => [
N("Attack time: %s", $attack->{date}),
N("Network interface: %s", $attack->{indev}),
N("Attack type: %s", $attack->{prefix}),
if_($attack->{protocol}, N("Protocol: %s", $attack->{protocol})),
N("Attacker IP address: %s", $attack->{ip_addr}),
if_($attack->{hostname} ne $attack->{ip_addr}, N("Attacker hostname: %s", $attack->{hostname})),
(
$attack->{service} ne $attack->{port} ?
N("Service attacked: %s", $attack->{service}) :
N("Port attacked: %s", $attack->{port}),
),
if_($attack->{icmp_type}, N("Type of ICMP attack: %s", $attack->{icmp_type}))
]),
])),
activate => sub { $_[0]->get_expanded and $w->shrink_topwindow }
),
$auto = gtknew('CheckButton', text => N("Always blacklist (do not ask again)"), toggled => sub {
$whitelist->set_sensitive(!$_[0]->get_active);
$ignore->set_sensitive(!$_[0]->get_active);
}),
gtknew('HButtonBox', layout => 'edge', children_loose => [
$blacklist = gtknew('Button', text => N("Blacklist"), clicked => sub {
$w->destroy;
$update_automatic_mode->();
$set_verdict->(\&apply_verdict_blacklist);
}),
$whitelist = gtknew('Button', text => N("Whitelist"), clicked => sub {
$w->destroy;
$update_automatic_mode->();
$set_verdict->(\&apply_verdict_whitelist);
}),
$ignore = gtknew('Button', text => N("Ignore"), clicked => sub {
$w->destroy;
$set_verdict->(\&apply_verdict_ignore);
}),
]),
]));
eval { $auto->set_active(!$network::net_applet::ifw->get_interactive) };
$blacklist->grab_focus;
gtksignal_connect($w->{window}, delete_event => sub {
$set_verdict->(\&apply_verdict_ignore);
});
$w->{window}->show_all;
}
sub handle_ifw_listen {
my $listen = network::ifw::parse_listen_message(\@_);
enable_ifw_alert();
$network::net_applet::notification_queue->add({
title => N("Interactive Firewall: new service"),
pixbuf => $network::net_applet::pixbufs{firewall},
message => $listen->{message},
actions => [ {
action => 'clicked',
label => #-PO: "Process" is a verb
N("Process connection"),
callback => sub {
disable_ifw_alert();
ask_listen_verdict($listen);
},
} ],
});
}
sub ask_listen_verdict {
my ($listen) = @_;
my $w = ugtk3->new(N("Interactive Firewall: new service"), icon => "drakfirewall");
my $set_verdict = sub {
$network::net_applet::notification_queue->process_next;
};
gtkadd($w->{window},
gtknew('VBox', spacing => 5, children_loose => [
gtknew('HBox', children => [
0, Gtk3::Image->new_from_stock('gtk-dialog-warning', 'dialog'),
1, gtknew('VBox', children => [
0, $listen->{message},
0, N("Do you want to open this service?"),
])
]),
gtknew('CheckButton', text => N("Remember this answer"), toggled => sub {}),
gtknew('HButtonBox', layout => 'edge', children_loose => [
gtknew('Button', text => N("Allow"), clicked => sub { $w->destroy; $set_verdict->(1) }),
gtknew('Button', text => N("Block"), clicked => sub { $w->destroy; $set_verdict->(0) }),
]),
]));
gtksignal_connect($w->{window}, delete_event => sub { $set_verdict->() });
$w->{window}->show_all;
}
1;
|
