socks5_protocol_async/protocol/
auth_method_negotiation_request.rs

1use super::shared_internal::*;
2use failure::Error;
3use futures_io::AsyncRead;
4
5#[derive(Debug, Clone, PartialEq, Eq)]
6pub struct AuthMethodNegotiationRequest {
7    pub methods: Vec<u8>,
8}
9
10impl AuthMethodNegotiationRequest {
11    pub async fn read<AR>(reader: &mut AR) -> Result<Self, Error>
12    where
13        AR: AsyncRead + Unpin,
14    {
15        read_version(reader).await?;
16
17        let nmethods = read_u8(reader).await?;
18        let methods = read_vec(reader, nmethods as usize).await?;
19
20        Ok(Self { methods })
21    }
22}
23
24#[cfg(test)]
25mod test {
26    use super::*;
27    use crate::test_util::*;
28    use futures_util::io::Cursor;
29
30    #[test]
31    fn happy_path() {
32        let mut reader = Cursor::new(&[
33            5, // Version
34            2, // Auth Methods Number
35            0xBE, 0xEF, // The methods
36        ]);
37        let future = AuthMethodNegotiationRequest::read(&mut reader);
38        let result = extract_future_output(future);
39        assert_eq!(
40            result.unwrap(),
41            AuthMethodNegotiationRequest {
42                methods: vec![0xBE, 0xEF]
43            }
44        )
45    }
46
47    #[test]
48    fn invalid_version() {
49        let mut reader = Cursor::new(&[1]);
50        let future = AuthMethodNegotiationRequest::read(&mut reader);
51        let result = extract_future_output(future);
52        let err = result.unwrap_err();
53        let err = err
54            .downcast::<crate::error::InvalidProtocolVersionError>()
55            .unwrap();
56        assert_eq!(err, crate::error::InvalidProtocolVersionError(1))
57    }
58
59    #[test]
60    fn not_enough_data() {
61        let mut reader = Cursor::new(&[]);
62        let future = AuthMethodNegotiationRequest::read(&mut reader);
63        let result = extract_future_output(future);
64        let err = result.unwrap_err();
65        let err = err.downcast::<std::io::Error>().unwrap();
66        assert_eq!(err.kind(), std::io::ErrorKind::UnexpectedEof);
67    }
68}
socks5_protocol_async/protocol/auth_method_negotiation_request.rs

socks5_protocol_async/protocol/
auth_method_negotiation_request.rs
