nvpn 4.0.77

CLI and daemon for Nostr VPN private mesh networks
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

#[cfg(test)]
mod tests {
    use super::*;
    #[test]
    fn parses_windows_default_route_from_route_print() {
        // Synthetic `route print -4 0.0.0.0` output. Only the
        // 0.0.0.0/0.0.0.0 row matters; all other content is meant to
        // be skipped by the parser.
        let sample = "\
===========================================================================
Interface List
 23...00 ff a1 b2 c3 d4 ......WireGuard Tunnel
 12...c0 d4 fe ff aa bb ......Realtek PCIe GbE
===========================================================================

IPv4 Route Table
===========================================================================
Active Routes:
Network Destination        Netmask          Gateway       Interface  Metric
          0.0.0.0          0.0.0.0      192.168.1.1     192.168.1.42     25
        127.0.0.0        255.0.0.0         On-link         127.0.0.1    331
===========================================================================
";
        let parsed = parse_windows_default_route_columns(sample).expect("default route parsed");
        assert_eq!(parsed.gateway, "192.168.1.1");
        assert_eq!(parsed.interface_ip, "192.168.1.42");
        assert_eq!(parsed.metric, 25);
    }

    #[test]
    fn skips_on_link_default_routes() {
        let sample = "\
Active Routes:
Network Destination        Netmask          Gateway       Interface  Metric
          0.0.0.0          0.0.0.0         On-link        10.0.0.1     50
          0.0.0.0          0.0.0.0      192.168.1.1   192.168.1.42     25
";
        let parsed =
            parse_windows_default_route_columns(sample).expect("non-On-link default parsed");
        assert_eq!(parsed.gateway, "192.168.1.1");
        assert_eq!(parsed.interface_ip, "192.168.1.42");
        assert_eq!(parsed.metric, 25);
    }

    #[test]
    fn chooses_lowest_metric_windows_default_route() {
        let sample = "\
Active Routes:
Network Destination        Netmask          Gateway       Interface  Metric
          0.0.0.0          0.0.0.0      172.20.0.1    172.20.0.22     75
          0.0.0.0          0.0.0.0      192.168.1.1   192.168.1.42     25
";
        let parsed = parse_windows_default_route_columns(sample).expect("default route parsed");
        assert_eq!(parsed.gateway, "192.168.1.1");
        assert_eq!(parsed.interface_ip, "192.168.1.42");
        assert_eq!(parsed.metric, 25);
    }

    #[test]
    fn returns_none_when_no_default_route_present() {
        let sample = "Active Routes:\n      127.0.0.0  255.0.0.0  On-link  127.0.0.1  331\n";
        assert!(parse_windows_default_route_columns(sample).is_none());
    }

    #[test]
    fn parses_windows_ipaddress_alias_from_verbose_netsh() {
        let sample = "\
Address 127.0.0.1 Parameters
---------------------------------------------------------
Interface Luid     : Loopback Pseudo-Interface 1

Address 192.0.2.147 Parameters
---------------------------------------------------------
Interface Luid     : Ethernet
Scope Id           : 0.0
";
        assert_eq!(
            parse_windows_ipaddresses_interface(sample, "192.0.2.147".parse().expect("ip")),
            Some(WindowsAddressInterface::Alias("Ethernet".to_string()))
        );
    }

    #[test]
    fn parses_windows_interface_index_for_alias() {
        let sample = "\
Idx     Met         MTU          State                Name
---  ----------  ----------  ------------  ---------------------------
  1          75  4294967295  connected     Loopback Pseudo-Interface 1
  3          25        1500  connected     Ethernet
 11           5        1150  connected     nvpn
";
        assert_eq!(
            parse_windows_interface_index_for_alias(sample, "Ethernet"),
            Some(3)
        );
        assert_eq!(
            parse_windows_interface_index_for_alias(sample, "Loopback Pseudo-Interface 1"),
            Some(1)
        );
    }

    #[test]
    fn parses_windows_wireguard_latest_handshake_output() {
        assert!(!parse_windows_wireguard_latest_handshakes("abc\t0\n"));
        assert!(parse_windows_wireguard_latest_handshakes(
            "abc\t1778720702\n"
        ));
        assert!(parse_windows_wireguard_latest_handshakes_for_tunnel(
            "nvpn-wg-exit\tabc\t1778720702\n",
            "nvpn-wg-exit"
        ));
        assert!(!parse_windows_wireguard_latest_handshakes_for_tunnel(
            "other\tabc\t1778720702\n",
            "nvpn-wg-exit"
        ));
        assert!(
            parse_windows_wireguard_latest_handshakes_for_single_active_tunnel(
                "nvpn-wg-exit\tabc\t1778720702\n"
            )
        );
        assert!(
            !parse_windows_wireguard_latest_handshakes_for_single_active_tunnel(
                "nvpn-wg-exit\tabc\t1778720702\nother\tdef\t1778720703\n"
            )
        );
        assert!(parse_windows_wireguard_show_handshake(
            "interface: nvpn-wg-exit\n  public key: abc\npeer: def\n  latest handshake: 7 seconds ago\n",
            "nvpn-wg-exit"
        ));
        assert!(!parse_windows_wireguard_show_handshake(
            "interface: other\n  public key: abc\npeer: def\n  latest handshake: 7 seconds ago\n",
            "nvpn-wg-exit"
        ));
        assert!(!parse_windows_wireguard_show_handshake(
            "interface: nvpn-wg-exit\npeer: def\n  latest handshake: never\n",
            "nvpn-wg-exit"
        ));
    }

    #[test]
    fn sanitizes_windows_native_wireguard_tunnel_name() {
        let config = WireGuardExitConfig {
            interface: " nvpn wg/exit ".to_string(),
            ..WireGuardExitConfig::default()
        };
        assert_eq!(
            windows_native_wireguard_tunnel_name(&config),
            "nvpn-wg-exit"
        );
    }
}