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add makefile

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This commit is contained in:
Jett Chen 2023-12-17 01:26:37 +08:00
parent 94233874e6
commit 261f24d9ef
24 changed files with 207 additions and 293 deletions
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42
tun/src/unix/mod.rs
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@ -1,13 +1,9 @@
use std::mem::size_of;
use std::{
io::{Error, Read},
mem,
os::fd::{AsRawFd, FromRawFd, IntoRawFd, RawFd},
};
use tracing::{debug, error, instrument};
use super::{syscall, TunOptions};
use tracing::instrument;
mod queue;
@ -19,13 +15,9 @@ mod imp;
#[path = "linux/mod.rs"]
mod imp;
use crate::os_imp::imp::sys;
use crate::os_imp::imp::sys::resolve_ctl_info;
use fehler::throws;
pub use imp::TunInterface;
use libc::{getpeername, sockaddr_ctl, sockaddr_storage, socklen_t, AF_SYSTEM, AF_SYS_CONTROL};
pub use queue::TunQueue;
use socket2::SockAddr;
impl AsRawFd for TunInterface {
fn as_raw_fd(&self) -> RawFd {
@ -82,35 +74,3 @@ pub fn string_to_ifname(name: &str) -> [libc::c_char; libc::IFNAMSIZ] {
buf[..len].copy_from_slice(unsafe { &*(name.as_bytes() as *const _ as *const [libc::c_char]) });
buf
}
#[cfg(any(target_os = "linux", target_vendor = "apple"))]
pub fn retrieve() -> Option<TunInterface> {
(3..100)
.filter_map(|i| {
let result = unsafe {
let mut addr = sockaddr_ctl {
sc_len: size_of::<sockaddr_ctl>() as u8,
sc_family: 0,
ss_sysaddr: 0,
sc_id: 0,
sc_unit: 0,
sc_reserved: Default::default(),
};
let mut len = mem::size_of::<sockaddr_ctl>() as libc::socklen_t;
let res = syscall!(getpeername(i, &mut addr as *mut _ as *mut _, len as *mut _));
tracing::debug!("getpeername{}: {:?}", i, res);
if res.is_err() {
return None;
}
if addr.sc_family == sys::AF_SYSTEM as u8
&& addr.ss_sysaddr == sys::AF_SYS_CONTROL as u16
{
Some(TunInterface::from_raw_fd(i))
} else {
None
}
};
result
})
.next()
}