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authorOlivier Blin <oblin@mandriva.org>2005-08-12 12:11:51 +0000
committerOlivier Blin <oblin@mandriva.org>2005-08-12 12:11:51 +0000
commit561fd9c6c0c7d0ba2b536a46583757efcf865cf6 (patch)
tree085abdf673401a334f30b005451982ca3cf01cc0 /perl-install/standalone
parent3e419b357f700124741f564489c472c04af81348 (diff)
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- store attack details in a hash
- add a Gtk2::Balloon custom pseudo-widget - use balloons to notify attacks - show attack window on balloon click
Diffstat (limited to 'perl-install/standalone')
-rw-r--r--perl-install/standalone/net_applet166
1 files changed, 117 insertions, 49 deletions
diff --git a/perl-install/standalone/net_applet b/perl-install/standalone/net_applet
index 087a121c5..069ff4559 100644
--- a/perl-install/standalone/net_applet
+++ b/perl-install/standalone/net_applet
@@ -18,18 +18,21 @@ use Gtk2::TrayIcon;
use ugtk2 qw(:create :helpers :wrappers :dialogs);
-my ($eventbox, $img);
-my ($current_state, $current_interface, $menu, $wireless_menu, $timeout, $update_timeout);
my $onstartupfile = "$ENV{HOME}/.net_applet";
-add_icon_path("/usr/share/libDrakX/pixmaps/");
+shouldStart() or die "$onstartupfile should be set to TRUE or use net_applet --force";
# Allow multiple instances, but only one per user:
is_running('net_applet') and die "net_applet already running\n";
+my ($eventbox, $img, $balloon);
+my ($current_state, $current_interface, $menu, $wireless_menu, $timeout, $update_timeout);
+add_icon_path("/usr/share/libDrakX/pixmaps/");
+
my $net = {};
my $watched_interface;
my $dbus = dbus_object::system_bus();
my $monitor = network::monitor->new($dbus);
+my ($activefw, $interactive_cb, @attacks_queue);
my %pixbufs =
(
@@ -92,11 +95,19 @@ $eventbox->signal_connect(button_press_event => sub {
$_[1]->button == 3 && $menu and $menu->popup(undef, undef, undef, undef, $_[1]->button, $_[1]->time);
});
-shouldStart() or die "$onstartupfile should be set to TRUE or use net_applet --force";
+$icon->show_all;
-my $activefw;
-my $interactive_cb;
-my @attacks_queue;
+$balloon = Gtk2::Balloon->new_from_window($icon->window);
+$balloon->add_events('button-press-mask');
+$balloon->signal_connect(hide => sub {
+ #- on timeout, apply default policy
+ exists $attacks_queue[0]->{handled} or set_blacklist_verdict($attacks_queue[0]->{seq}, undef);
+});
+$balloon->signal_connect(button_press_event => sub {
+ $attacks_queue[0]->{handled} = 1;
+ Gtk2::Balloon::hide_text($balloon);
+ ask_attack_verdict($attacks_queue[0]);
+});
$activefw = network::activefw->new($dbus, sub {
my ($_con, $msg) = @_;
@@ -114,8 +125,6 @@ cronNetwork();
cronUpdate();
get_unprocessed_attacks();
-$icon->show_all;
-
$SIG{HUP} = sub {
print "received SIGHUP, reloading network configuration\n";
checkNetworkForce();
@@ -315,40 +324,42 @@ sub get_unprocessed_attacks() {
}
sub handle_attack {
- push @attacks_queue, [ @_ ];
- @attacks_queue == 1 and ask_attack_verdict($attacks_queue[0]);
+ my $attack = { mapn { $_[0] => $_[1] } [ 'seq', 'timestamp', 'indev', 'prefix', 'sensor', 'protocol', 'addr', 'port', 'icmp_type'], \@_ };
+ $attack->{ip_addr} = network::activefw::get_ip_address($attack->{addr});
+ $attack->{hostname} = network::activefw::resolve_address($attack->{ip_addr});
+ $attack->{service} = network::activefw::get_service($attack->{port});
+ $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})
+ : undef;
+ push @attacks_queue, $attack;
+ @attacks_queue == 1 and notify_attack($attacks_queue[0]);
}
-sub set_attack_verdict {
+sub set_blacklist_verdict {
my ($seq, $verdict) = @_;
+ #- default is to blacklist
+ defined $verdict or $verdict = 1;
+
eval { $activefw->blacklist($seq, $verdict) };
$@ and err_dialog(N("Active Firewall"), N("Unable to contact daemon"));
+
shift @attacks_queue;
- @attacks_queue and ask_attack_verdict($attacks_queue[0]);
+ #- wait for some time so that the new balloon is noticeable
+ @attacks_queue and Glib::Timeout->add(500, sub { notify_attack($attacks_queue[0]); 0; });
}
-sub ask_attack_verdict {
+sub notify_attack {
my ($attack) = @_;
- my ($seq, $timestamp, $indev, $prefix, $_sensor, $protocol, $addr, $port, $icmp_type) = @$attack;
-
- unless ($interactive_cb->get_active) {
- #- let the daemon handle the blacklist policy in automatic mode
- set_attack_verdict($seq, undef);
- return;
- }
-
- my $ip_addr = network::activefw::get_ip_address($addr);
- my $hostname = network::activefw::resolve_address($ip_addr);
- my $service = network::activefw::get_service($port);
-
- my $msg = $prefix eq "SCAN" ? N("A port scanning attack has been attempted by %s.", $hostname)
- : $prefix eq "SERV" ? N("The %s service has been attacked by %s.", $service , $hostname)
- : $prefix eq "PASS" ? N("A password cracking attack has been attempted by %s.", $hostname)
- : undef;
- unless ($msg) {
+ unless ($attack->{msg}) {
print "unhandled attack type, skipping\n";
return;
}
+ Gtk2::Balloon::show_text($balloon, $attack->{msg}, 5000);
+}
+
+sub ask_attack_verdict {
+ my ($attack) = @_;
my $w = Gtk2::Window->new;
$w->set_title(N("Active Firewall: intrusion detected"));
@@ -361,19 +372,19 @@ sub ask_attack_verdict {
0, Gtk2::Image->new_from_stock('gtk-dialog-warning', 'dialog'),
0, gtknew('Label', text => " "),
1, gtknew('VBox', children => [
- 0, $msg,
+ 0, $attack->{msg},
0, N("Do you want to blacklist the attacker?")
])
]),
gtknew('HButtonBox', layout => 'edge', children_loose => [
$no = gtknew('Button', text => N("No"), clicked => sub {
$w->destroy;
- set_attack_verdict($seq, 0);
+ set_blacklist_verdict($attack->{seq}, 0);
}),
$yes = gtknew('Button', text => N("Yes"), clicked => sub {
$auto->get_active and $interactive_cb->set_active(0);
$w->destroy;
- set_attack_verdict($seq, 1);
+ set_blacklist_verdict($attack->{seq}, 1);
})
]),
$auto = gtknew('CheckButton', text => N("Always blacklist (do not ask again)"), toggled => sub {
@@ -383,26 +394,83 @@ sub ask_attack_verdict {
gtknew('HBox', children => [
0, gtknew('Label', text => " "),
1, gtknew('VBox', children_loose => [
- N("Attack time: %s", network::activefw::format_date($timestamp)),
- N("Network interface: %s", $indev),
- N("Attack type: %s", $prefix),
- if_($protocol, N("Protocol: %s", $protocol)),
- N("Attacker IP address: %s", $ip_addr),
- if_($hostname ne $ip_addr, N("Attacker hostname: %s", $hostname)),
- if_($service, N("Service attacked: %s", $service)),
- if_($port, N("Port attacked: %s", $port)),
- if_($icmp_type, N("Type of ICMP attack: %s", $icmp_type))
+ N("Attack time: %s", network::activefw::format_date($attack->{timestamp})),
+ 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", $attack->{hostname})),
+ if_($attack->{service}, N("Service attacked: %s", $attack->{service})),
+ if_($attack->{port}, N("Port attacked: %s", $attack->{port})),
+ if_($attack->{icmp_type}, N("Type of ICMP attack: %s", $attack->{icmp_type}))
])
])),
]));
$yes->grab_focus;
gtksignal_connect($w, delete_event => sub {
- if ($auto->get_active) {
- $interactive_cb->set_active(0);
- set_attack_verdict($seq, 1);
- } else {
- set_attack_verdict($seq, 0);
- }
+ $auto->get_active and $interactive_cb->set_active(0);
+ #- apply default policy
+ set_blacklist_verdict($attack->{seq}, undef);
});
$w->show_all;
}
+
+package Gtk2::Balloon;
+
+use ugtk2 qw(:wrappers);
+
+sub new_from_window {
+ my ($_class, $window) = @_;
+ my $w = Gtk2::Window->new('GTK_WINDOW_POPUP');
+ $w->{ref_window} = $window;
+ $w->set_name("gtk-tooltips");
+ $w->set_app_paintable(1);
+ $w->set_resizable(0);
+ $w->set_border_width(4);
+ $w->signal_connect("expose_event" => sub {
+ my $req = $w->size_request;
+ $w->get_style->paint_flat_box($w->window, 'normal', 'out', undef, $w, "tooltip",
+ 0, 0, $req->width, $req->height);
+ });
+ ugtk2::gtkadd($w, $w->{label} = ugtk2::gtkset_alignment(ugtk2::gtkset_line_wrap(Gtk2::Label->new, 1), 0.5, 0.5));
+}
+
+sub show_text {
+ my ($balloon, $text, $timeout) = @_;
+ $balloon->{label}->set_text($text);
+ $balloon->{label}->show;
+ my ($ref_x, $ref_y) = $balloon->{ref_window}->get_origin;
+ my (undef, undef, $ref_w, $ref_h) = $balloon->{ref_window}->get_geometry;
+ my ($x, $y) = ($ref_x, $ref_y);
+ my $req = $balloon->size_request;
+ my ($w, $h) = ($req->width, $req->height);
+
+ #- code mostly from gtktooltips.c
+ $x += $ref_w / 2 - $w / 2 - $balloon->get_border_width;
+
+ my $screen = Gtk2::Gdk::Screen->get_default;
+ my $monitor_num = $screen->get_monitor_at_window($balloon->{ref_window});
+ my ($monitor) = $screen->get_monitor_geometry($monitor_num);
+ if ($x + $w > $monitor->x + $monitor->width) {
+ $x = $monitor->x + $monitor->width - $w - $balloon->get_border_width;
+ } elsif ($x < $monitor->x) {
+ $x = $monitor->x + $balloon->get_border_width;
+ }
+ if ($y + $h + $ref_h + $balloon->get_border_width > $monitor->y + $monitor->height) {
+ $y = $y - $h - $balloon->get_border_width;
+ } else {
+ $y += $ref_h + $balloon->get_border_width;
+ }
+ $balloon->move($x, $y);
+ $balloon->show;
+
+ $balloon->{timeout} = Glib::Timeout->add($timeout, sub { $balloon->hide; 0 });
+}
+
+sub hide_text {
+ my ($balloon) = @_;
+ Glib::Source->remove($balloon->{timeout});
+ $balloon->hide;
+}
+
+1;