1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
package network::net_applet::ifw;
use common;
use network::ifw;
use ugtk2 qw(:create :helpers :wrappers :dialogs);
use mygtk2 qw(gtknew gtkset);
sub create() {
$network::net_applet::ifw = network::ifw->new($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') {
$ifw->attach_object;
checkNetworkForce();
} elsif ($member eq 'AlertAck') {
$network::net_applet::ifw_alert = 0;
}
});
}
sub enable_ifw_alert() {
unless ($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;
|
