rsipstack 0.5.6

SIP Stack Rust library for building SIP applications
Documentation 
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

use crate::sip::{headers::*, prelude::HeadersExt, SipMessage, Transport};
use crate::transport::SipConnection;
use std::net::SocketAddr;

/// Test Via received parameter handling for different transport protocols
#[test]
fn test_via_received_udp() {
    let register_req = create_test_request("SIP/2.0/UDP");
    let addr: SocketAddr = "192.168.1.100:5060".parse().unwrap();

    let msg = SipConnection::update_msg_received(register_req.into(), addr, Transport::Udp)
        .expect("update_msg_received for UDP");

    match msg {
        SipMessage::Request(req) => {
            let via_header = req.via_header().expect("via header");
            let typed_via = via_header.typed().expect("typed via");

            // UDP should always add received parameter
            assert!(
                typed_via
                    .params
                    .iter()
                    .any(|p| matches!(p, crate::sip::Param::Received(_))),
                "UDP should add received parameter"
            );
            assert!(
                typed_via
                    .params
                    .iter()
                    .any(|p| matches!(p, crate::sip::Param::Rport(Some(_)))),
                "UDP should add rport parameter"
            );
        }
        _ => panic!("Expected request message"),
    }
}

#[test]
fn test_via_received_tcp() {
    let register_req = create_test_request("SIP/2.0/TCP");
    let addr: SocketAddr = "127.0.0.1:5060".parse().unwrap(); // Same as Via header

    let msg = SipConnection::update_msg_received(register_req.into(), addr, Transport::Tcp)
        .expect("update_msg_received for TCP");

    match msg {
        SipMessage::Request(req) => {
            let via_header = req.via_header().expect("via header");
            let typed_via = via_header.typed().expect("typed via");

            // TCP should not add received parameter if source matches Via
            assert!(
                !typed_via
                    .params
                    .iter()
                    .any(|p| matches!(p, crate::sip::Param::Received(_))),
                "TCP should not add received parameter when addresses match"
            );
        }
        _ => panic!("Expected request message"),
    }
}

#[test]
fn test_via_received_tcp_different_addr() {
    let register_req = create_test_request("SIP/2.0/TCP");
    let addr: SocketAddr = "192.168.1.100:5060".parse().unwrap(); // Different from Via header

    let msg = SipConnection::update_msg_received(register_req.into(), addr, Transport::Tcp)
        .expect("update_msg_received for TCP");

    match msg {
        SipMessage::Request(req) => {
            let via_header = req.via_header().expect("via header");
            let typed_via = via_header.typed().expect("typed via");

            // TCP should add received parameter if source differs from Via
            assert!(
                typed_via
                    .params
                    .iter()
                    .any(|p| matches!(p, crate::sip::Param::Received(_))),
                "TCP should add received parameter when addresses differ"
            );
        }
        _ => panic!("Expected request message"),
    }
}

#[test]
fn test_via_received_tls() {
    let register_req = create_test_request("SIP/2.0/TLS");
    let addr: SocketAddr = "192.168.1.100:5061".parse().unwrap();

    let msg = SipConnection::update_msg_received(register_req.into(), addr, Transport::Tls)
        .expect("update_msg_received for TLS");

    match msg {
        SipMessage::Request(req) => {
            let via_header = req.via_header().expect("via header");
            let typed_via = via_header.typed().expect("typed via");

            // TLS should add received parameter only if host differs
            assert!(
                typed_via
                    .params
                    .iter()
                    .any(|p| matches!(p, crate::sip::Param::Received(_))),
                "TLS should add received parameter when host differs"
            );
        }
        _ => panic!("Expected request message"),
    }
}

#[test]
fn test_via_received_ws() {
    let register_req = create_test_request("SIP/2.0/WS");
    let addr: SocketAddr = "192.168.1.100:80".parse().unwrap();

    let msg = SipConnection::update_msg_received(register_req.into(), addr, Transport::Ws)
        .expect("update_msg_received for WS");

    match msg {
        SipMessage::Request(req) => {
            let via_header = req.via_header().expect("via header");
            let typed_via = via_header.typed().expect("typed via");

            // WS should handle received parameter like other connection-oriented protocols
            assert!(
                typed_via
                    .params
                    .iter()
                    .any(|p| matches!(p, crate::sip::Param::Received(_))),
                "WS should add received parameter when host differs"
            );
        }
        _ => panic!("Expected request message"),
    }
}

#[test]
fn test_via_response_not_modified() {
    let response = crate::sip::message::Response {
        status_code: crate::sip::StatusCode::try_from(200).unwrap(),
        headers: vec![Via::new("SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-test").into()].into(),
        version: crate::sip::Version::V2,
        body: Default::default(),
    };

    let addr: SocketAddr = "192.168.1.100:5060".parse().unwrap();

    let msg = SipConnection::update_msg_received(response.into(), addr, Transport::Udp)
        .expect("update_msg_received for response");

    // Response messages should not be modified
    match msg {
        SipMessage::Response(_) => {
            // This is expected - responses are not modified
        }
        _ => panic!("Expected response message"),
    }
}

fn create_test_request(via_proto: &str) -> crate::sip::message::Request {
    crate::sip::message::Request {
        method: crate::sip::method::Method::Register,
        uri: crate::sip::Uri {
            scheme: Some(crate::sip::Scheme::Sip),
            host_with_port: crate::sip::HostWithPort::try_from("example.com:5060")
                .expect("host_port parse"),
            ..Default::default()
        },
        headers: vec![
            Via::new(&format!("{} 127.0.0.1:5060;branch=z9hG4bK-test", via_proto)).into(),
        ]
        .into(),
        version: crate::sip::Version::V2,
        body: Default::default(),
    }
}