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|
use crate::tests::fakes::{
create_fake_dns_client, get_interfaces, get_open_sockets, NetworkFrames, TerminalEvent,
TerminalEvents, TestBackend,
};
use std::iter;
use crate::network::dns::Client;
use crate::{Opt, OsInputOutput, RenderOpts};
use ::crossterm::event::{Event, KeyCode, KeyEvent, KeyModifiers};
use packet_builder::*;
use pnet::datalink::DataLinkReceiver;
use std::collections::HashMap;
use std::io::Write;
use std::sync::{Arc, Mutex};
use packet_builder::payload::PayloadData;
use pnet::packet::Packet;
use pnet_base::MacAddr;
pub fn sleep_and_quit_events(sleep_num: usize) -> Box<TerminalEvents> {
let mut events: Vec<Option<Event>> = iter::repeat(None).take(sleep_num).collect();
events.push(Some(Event::Key(KeyEvent {
modifiers: KeyModifiers::CONTROL,
code: KeyCode::Char('c'),
})));
Box::new(TerminalEvents::new(events))
}
pub fn sleep_resize_and_quit_events(sleep_num: usize) -> Box<TerminalEvents> {
let mut events: Vec<Option<Event>> = iter::repeat(None).take(sleep_num).collect();
events.push(Some(Event::Resize(100, 100)));
events.push(Some(Event::Key(KeyEvent {
modifiers: KeyModifiers::CONTROL,
code: KeyCode::Char('c'),
})));
Box::new(TerminalEvents::new(events))
}
pub fn build_tcp_packet(
source_ip: &str,
destination_ip: &str,
source_port: u16,
destination_port: u16,
payload: &'static [u8],
) -> Vec<u8> {
let mut pkt_buf = [0u8; 1500];
let pkt = packet_builder!(
pkt_buf,
ether({set_destination => MacAddr(0,0,0,0,0,0), set_source => MacAddr(0,0,0,0,0,0)}) /
ipv4({set_source => ipv4addr!(source_ip), set_destination => ipv4addr!(destination_ip) }) /
tcp({set_source => source_port, set_destination => destination_port }) /
payload(payload)
);
pkt.packet().to_vec()
}
pub fn sample_frames() -> Vec<Box<dyn DataLinkReceiver>> {
vec![NetworkFrames::new(vec![
Some(build_tcp_packet(
"10.0.0.2",
"1.1.1.1",
443,
12345,
b"I am a fake tcp upload packet",
)),
Some(build_tcp_packet(
"1.1.1.1",
"10.0.0.2",
12345,
443,
b"I am a fake tcp download packet",
)),
Some(build_tcp_packet(
"10.0.0.2",
"1.1.1.1",
54321,
53,
b"I am a fake DNS query packet",
)),
]) as Box<dyn DataLinkReceiver>]
}
pub fn os_input_output(
network_frames: Vec<Box<dyn DataLinkReceiver>>,
sleep_num: usize,
) -> OsInputOutput {
os_input_output_factory(
network_frames,
None,
create_fake_dns_client(HashMap::new()),
sleep_and_quit_events(sleep_num),
)
}
pub fn os_input_output_stdout(
network_frames: Vec<Box<dyn DataLinkReceiver>>,
sleep_num: usize,
stdout: Option<Arc<Mutex<Vec<u8>>>>,
) -> OsInputOutput {
os_input_output_factory(
network_frames,
stdout,
create_fake_dns_client(HashMap::new()),
sleep_and_quit_events(sleep_num),
)
}
pub fn os_input_output_dns(
network_frames: Vec<Box<dyn DataLinkReceiver>>,
sleep_num: usize,
stdout: Option<Arc<Mutex<Vec<u8>>>>,
dns_client: Option<Client>,
) -> OsInputOutput {
os_input_output_factory(
network_frames,
stdout,
dns_client,
sleep_and_quit_events(sleep_num),
)
}
pub fn os_input_output_factory(
network_frames: Vec<Box<dyn DataLinkReceiver>>,
stdout: Option<Arc<Mutex<Vec<u8>>>>,
dns_client: Option<Client>,
keyboard_events: Box<dyn Iterator<Item = Event> + Send>,
) -> OsInputOutput {
let write_to_stdout: Box<dyn FnMut(String) + Send> = match stdout {
Some(stdout) => Box::new({
move |output: String| {
let mut stdout = stdout.lock().unwrap();
writeln!(&mut stdout, "{}", output).unwrap();
}
}),
None => Box::new(move |_output: String| {}),
};
OsInputOutput {
network_interfaces: get_interfaces(),
network_frames,
get_open_sockets,
terminal_events: keyboard_events,
dns_client,
write_to_stdout,
}
}
pub fn opts_raw() -> Opt {
opts_factory(true)
}
pub fn opts_ui() -> Opt {
opts_factory(false)
}
fn opts_factory(raw: bool) -> Opt {
Opt {
interface: Some(String::from("interface_name")),
raw,
no_resolve: false,
show_dns: false,
render_opts: RenderOpts {
addresses: false,
connections: false,
processes: false,
total_utilization: false,
},
}
}
type BackendWithStreams = (
Arc<Mutex<Vec<TerminalEvent>>>,
Arc<Mutex<Vec<String>>>,
TestBackend,
);
pub fn test_backend_factory(w: u16, h: u16) -> BackendWithStreams {
let terminal_events: Arc<Mutex<Vec<TerminalEvent>>> = Arc::new(Mutex::new(Vec::new()));
let terminal_draw_events: Arc<Mutex<Vec<String>>> = Arc::new(Mutex::new(Vec::new()));
let backend = TestBackend::new(
terminal_events.clone(),
terminal_draw_events.clone(),
Arc::new(Mutex::new(w)),
Arc::new(Mutex::new(h)),
);
(terminal_events, terminal_draw_events, backend)
}
|
