solana_net_utils/
socket_addr_space.rs

1use std::net::{IpAddr, SocketAddr};
2
3#[derive(Clone, Copy, PartialEq, Debug)]
4pub enum SocketAddrSpace {
5    Unspecified,
6    Global,
7}
8
9impl SocketAddrSpace {
10    pub fn new(allow_private_addr: bool) -> Self {
11        if allow_private_addr {
12            SocketAddrSpace::Unspecified
13        } else {
14            SocketAddrSpace::Global
15        }
16    }
17
18    /// Returns true if the IP address is valid.
19    #[inline]
20    #[must_use]
21    pub fn check(&self, addr: &SocketAddr) -> bool {
22        if matches!(self, SocketAddrSpace::Unspecified) {
23            return true;
24        }
25
26        // TODO: remove these once IpAddr::is_global is stable.
27        match addr.ip() {
28            IpAddr::V4(addr) => {
29                // TODO: Consider excluding:
30                // addr.is_link_local() || addr.is_broadcast()
31                // || addr.is_documentation() || addr.is_unspecified()
32                !(addr.is_private() || addr.is_loopback())
33            }
34            IpAddr::V6(addr) => {
35                // TODO: Consider excluding:
36                // addr.is_unspecified(),
37                !addr.is_loopback()
38            }
39        }
40    }
41}
solana_net_utils/socket_addr_space.rs

solana_net_utils/
socket_addr_space.rs
