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
|
use ::async_trait::async_trait;
use ::ipnetwork::IpNetwork;
use ::pnet::datalink::DataLinkReceiver;
use ::pnet::datalink::NetworkInterface;
use ::std::collections::HashMap;
use ::std::net::{IpAddr, Ipv4Addr, SocketAddr};
use ::std::{thread, time};
use ::termion::event::Event;
use ::tokio::runtime::Runtime;
use crate::{
network::{
dns::{self, Lookup},
Connection, Protocol,
},
os::OnSigWinch,
OpenSockets,
};
pub struct KeyboardEvents {
pub events: Vec<Option<Event>>,
}
impl KeyboardEvents {
pub fn new(mut events: Vec<Option<Event>>) -> Self {
events.reverse(); // this is so that we do not have to shift the array
KeyboardEvents { events }
}
}
impl Iterator for KeyboardEvents {
type Item = Event;
fn next(&mut self) -> Option<Event> {
match self.events.pop() {
Some(ev) => match ev {
Some(ev) => Some(ev),
None => {
thread::sleep(time::Duration::from_millis(900));
self.next()
}
},
None => None,
}
}
}
pub struct NetworkFrames {
pub packets: Vec<Option<Vec<u8>>>,
pub current_index: usize,
}
impl NetworkFrames {
pub fn new(packets: Vec<Option<Vec<u8>>>) -> Box<Self> {
Box::new(NetworkFrames {
packets,
current_index: 0,
})
}
fn next_packet(&mut self) -> &Option<Vec<u8>> {
let next_index = self.current_index;
self.current_index += 1;
&self.packets[next_index]
}
}
impl DataLinkReceiver for NetworkFrames {
fn next(&mut self) -> Result<&[u8], std::io::Error> {
if self.current_index == 0 {
// make it less likely to have a race condition with the display loop
// this is so the tests pass consistently
thread::sleep(time::Duration::from_millis(500));
}
if self.current_index < self.packets.len() {
let action = self.next_packet();
match action {
Some(packet) => Ok(&packet[..]),
None => {
thread::sleep(time::Duration::from_secs(1));
Ok(&[][..])
}
}
} else {
thread::sleep(time::Duration::from_secs(1));
Ok(&[][..])
}
}
}
pub fn get_open_sockets() -> OpenSockets {
let mut open_sockets = HashMap::new();
let local_ip = IpAddr::V4(Ipv4Addr::new(10, 0, 0, 2));
open_sockets.insert(
Connection::new(
SocketAddr::new(IpAddr::V4(Ipv4Addr::new(1, 1, 1, 1)), 12345),
local_ip,
443,
Protocol::Tcp,
),
String::from("1"),
);
open_sockets.insert(
Connection::new(
SocketAddr::new(IpAddr::V4(Ipv4Addr::new(2, 2, 2, 2)), 54321),
local_ip,
4434,
Protocol::Tcp,
),
String::from("4"),
);
open_sockets.insert(
Connection::new(
SocketAddr::new(IpAddr::V4(Ipv4Addr::new(3, 3, 3, 3)), 1337),
local_ip,
4435,
Protocol::Tcp,
),
String::from("5"),
);
open_sockets.insert(
Connection::new(
SocketAddr::new(IpAddr::V4(Ipv4Addr::new(4, 4, 4, 4)), 1337),
local_ip,
4432,
Protocol::Tcp,
),
String::from("2"),
);
open_sockets.insert(
Connection::new(
SocketAddr::new(IpAddr::V4(Ipv4Addr::new(1, 1, 1, 1)), 12346),
local_ip,
443,
Protocol::Tcp,
),
String::from("1"),
);
let mut local_socket_to_procs = HashMap::new();
let mut connections = std::vec::Vec::new();
for (connection, process_name) in open_sockets {
local_socket_to_procs.insert(connection.local_socket, process_name);
connections.push(connection);
}
OpenSockets {
sockets_to_procs: local_socket_to_procs,
connections,
}
}
pub fn get_interfaces() -> Vec<NetworkInterface> {
vec![NetworkInterface {
name: String::from("interface_name"),
index: 42,
mac: None,
ips: vec![IpNetwork::V4("10.0.0.2".parse().unwrap())],
// It's important that the IFF_LOOPBACK bit is set to 0.
// Otherwise sniffer will attempt to start parse packets
// at offset 14
flags: 0,
}]
}
pub fn create_fake_on_winch(should_send_winch_event: bool) -> Box<OnSigWinch> {
Box::new(move |cb| {
if should_send_winch_event {
thread::sleep(time::Duration::from_millis(900));
cb()
}
})
}
pub fn create_fake_dns_client(ips_to_hosts: HashMap<IpAddr, String>) -> Option<dns::Client> {
let runtime = Runtime::new().unwrap();
let dns_client = dns::Client::new(FakeResolver(ips_to_hosts), runtime).unwrap();
Some(dns_client)
}
struct FakeResolver(HashMap<IpAddr, String>);
#[async_trait]
impl Lookup for FakeResolver {
async fn lookup(&self, ip: IpAddr) -> Option<String> {
self.0.get(&ip).cloned()
}
}
|