Files
meh-rust-tun/src/address.rs

129 lines
3.1 KiB
Rust

// DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
// Version 2, December 2004
//
// Copyleft (ↄ) meh. <meh@schizofreni.co> | http://meh.schizofreni.co
//
// Everyone is permitted to copy and distribute verbatim or modified
// copies of this license document, and changing it is allowed as long
// as the name is changed.
//
// DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
// TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
//
// 0. You just DO WHAT THE FUCK YOU WANT TO.
use std::net::{IpAddr, Ipv4Addr};
use std::net::{SocketAddr, SocketAddrV4};
use crate::error::*;
/// Helper trait to convert things into IPv4 addresses.
#[allow(clippy::wrong_self_convention)]
pub trait IntoAddress {
/// Convert the type to an `Ipv4Addr`.
fn into_address(&self) -> Result<Ipv4Addr>;
}
impl IntoAddress for u32 {
fn into_address(&self) -> Result<Ipv4Addr> {
Ok(Ipv4Addr::new(
((*self) & 0xff) as u8,
((*self >> 8) & 0xff) as u8,
((*self >> 16) & 0xff) as u8,
((*self >> 24) & 0xff) as u8,
))
}
}
impl IntoAddress for i32 {
fn into_address(&self) -> Result<Ipv4Addr> {
(*self as u32).into_address()
}
}
impl IntoAddress for (u8, u8, u8, u8) {
fn into_address(&self) -> Result<Ipv4Addr> {
Ok(Ipv4Addr::new(self.0, self.1, self.2, self.3))
}
}
impl IntoAddress for str {
fn into_address(&self) -> Result<Ipv4Addr> {
self.parse().map_err(|_| Error::InvalidAddress)
}
}
impl<'a> IntoAddress for &'a str {
fn into_address(&self) -> Result<Ipv4Addr> {
(*self).into_address()
}
}
impl IntoAddress for String {
fn into_address(&self) -> Result<Ipv4Addr> {
(&**self).into_address()
}
}
impl<'a> IntoAddress for &'a String {
fn into_address(&self) -> Result<Ipv4Addr> {
(&**self).into_address()
}
}
impl IntoAddress for Ipv4Addr {
fn into_address(&self) -> Result<Ipv4Addr> {
Ok(*self)
}
}
impl<'a> IntoAddress for &'a Ipv4Addr {
fn into_address(&self) -> Result<Ipv4Addr> {
(&**self).into_address()
}
}
impl IntoAddress for IpAddr {
fn into_address(&self) -> Result<Ipv4Addr> {
match *self {
IpAddr::V4(ref value) => Ok(*value),
IpAddr::V6(_) => Err(Error::InvalidAddress),
}
}
}
impl<'a> IntoAddress for &'a IpAddr {
fn into_address(&self) -> Result<Ipv4Addr> {
(&**self).into_address()
}
}
impl IntoAddress for SocketAddrV4 {
fn into_address(&self) -> Result<Ipv4Addr> {
Ok(*self.ip())
}
}
impl<'a> IntoAddress for &'a SocketAddrV4 {
fn into_address(&self) -> Result<Ipv4Addr> {
(&**self).into_address()
}
}
impl IntoAddress for SocketAddr {
fn into_address(&self) -> Result<Ipv4Addr> {
match *self {
SocketAddr::V4(ref value) => Ok(*value.ip()),
SocketAddr::V6(_) => Err(Error::InvalidAddress),
}
}
}
impl<'a> IntoAddress for &'a SocketAddr {
fn into_address(&self) -> Result<Ipv4Addr> {
(&**self).into_address()
}
}