burrow/tun/tests/configure.rs
2026-03-31 23:35:36 -07:00

103 lines
2.2 KiB
Rust

use std::{io::Error, net::Ipv4Addr};
use fehler::throws;
use tun::TunInterface;
fn open_tun() -> Result<Option<TunInterface>, Error> {
match TunInterface::new() {
Ok(tun) => Ok(Some(tun)),
Err(err)
if err.kind() == std::io::ErrorKind::PermissionDenied
|| matches!(err.raw_os_error(), Some(1 | 13)) =>
{
eprintln!("skipping tun test without tunnel privileges: {err}");
Ok(None)
}
Err(err) => Err(err),
}
}
#[test]
#[throws]
fn test_create() {
let _ = open_tun()?;
}
#[test]
#[throws]
#[cfg(not(any(target_os = "windows", target_vendor = "apple")))]
fn test_set_get_broadcast_addr() {
let Some(tun) = open_tun()? else {
return Ok(());
};
let addr = Ipv4Addr::new(10, 0, 0, 1);
tun.set_ipv4_addr(addr)?;
let broadcast_addr = Ipv4Addr::new(255, 255, 255, 0);
tun.set_broadcast_addr(broadcast_addr)?;
let result = tun.broadcast_addr()?;
assert_eq!(broadcast_addr, result);
}
#[test]
#[throws]
#[cfg(not(target_os = "windows"))]
fn test_set_get_ipv4() {
let Some(tun) = open_tun()? else {
return Ok(());
};
let addr = Ipv4Addr::new(10, 0, 0, 1);
tun.set_ipv4_addr(addr)?;
let result = tun.ipv4_addr()?;
assert_eq!(addr, result);
}
#[test]
#[throws]
#[cfg(not(any(target_os = "windows", target_vendor = "apple")))]
fn test_set_get_ipv6() {
use std::net::Ipv6Addr;
let Some(tun) = open_tun()? else {
return Ok(());
};
let addr = Ipv6Addr::new(1, 1, 1, 1, 1, 1, 1, 1);
tun.add_ipv6_addr(addr, 128)?;
// let result = tun.ipv6_addr()?;
// assert_eq!(addr, result);
}
#[test]
#[throws]
#[cfg(not(target_os = "windows"))]
fn test_set_get_mtu() {
let Some(interf) = open_tun()? else {
return Ok(());
};
interf.set_mtu(500)?;
assert_eq!(interf.mtu().unwrap(), 500);
}
#[test]
#[throws]
#[cfg(not(target_os = "windows"))]
fn test_set_get_netmask() {
let Some(interf) = open_tun()? else {
return Ok(());
};
let netmask = Ipv4Addr::new(255, 0, 0, 0);
let addr = Ipv4Addr::new(192, 168, 1, 1);
interf.set_ipv4_addr(addr)?;
interf.set_netmask(netmask)?;
assert_eq!(interf.netmask()?, netmask);
}