solana/streamer/src/socket.rs

40 lines
1.1 KiB
Rust

use std::net::{IpAddr, SocketAddr};
#[derive(Clone, Copy)]
pub enum SocketAddrSpace {
Unspecified,
Global,
}
impl SocketAddrSpace {
pub fn new(allow_private_addr: bool) -> Self {
if allow_private_addr {
SocketAddrSpace::Unspecified
} else {
SocketAddrSpace::Global
}
}
/// Returns true if the IP address is valid.
#[must_use]
pub fn check(&self, addr: &SocketAddr) -> bool {
if matches!(self, SocketAddrSpace::Unspecified) {
return true;
}
// TODO: remove these once IpAddr::is_global is stable.
match addr.ip() {
IpAddr::V4(addr) => {
// TODO: Consider excluding:
// addr.is_link_local() || addr.is_broadcast()
// || addr.is_documentation() || addr.is_unspecified()
!(addr.is_private() || addr.is_loopback())
}
IpAddr::V6(addr) => {
// TODO: Consider excluding:
// addr.is_unspecified(),
!addr.is_loopback()
}
}
}
}