diff options
Diffstat (limited to 'lib/network/net_applet/ifw.pm')
| -rw-r--r-- | lib/network/net_applet/ifw.pm | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/lib/network/net_applet/ifw.pm b/lib/network/net_applet/ifw.pm new file mode 100644 index 0000000..22fc432 --- /dev/null +++ b/lib/network/net_applet/ifw.pm @@ -0,0 +1,227 @@ +package network::net_applet::ifw; + +use common; +use network::ifw; +use ugtk2 qw(:create :helpers :wrappers :dialogs); +use mygtk2 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; + $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 $w = ugtk2->new(N("Interactive Firewall: intrusion detected"), + icon => "drakfirewall"); + my ($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, Gtk2::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(Gtk2::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 = ugtk2->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, Gtk2::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; |