1378eb7eb3
This involved refactoring the crate structure to share code between macOS and Linux. The new methods have not yet been implemented on macOS, but they have todo!() placeholders.
35 lines
954 B
Rust
35 lines
954 B
Rust
pub use libc::{c_void, socklen_t, SYSPROTO_CONTROL, IFNAMSIZ, sockaddr_ctl, AF_SYSTEM, AF_SYS_CONTROL};
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use nix::ioctl_readwrite;
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pub const UTUN_CONTROL_NAME: &str = "com.apple.net.utun_control";
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pub const UTUN_OPT_IFNAME: libc::c_int = 2;
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pub const MAX_KCTL_NAME: usize = 96;
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#[repr(C)]
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pub struct ctl_info {
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pub ctl_id: u32,
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pub ctl_name: [u8; MAX_KCTL_NAME],
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}
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#[repr(C)]
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pub struct ifreq {}
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ioctl_readwrite!(resolve_ctl_info, b'N', 3, ctl_info);
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/// Copied from https://github.com/rust-lang/socket2/blob/61314a231f73964b3db969ef72c0e9479df320f3/src/sys/unix.rs#L168-L178
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/// getsockopt is not exposed by socket2
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#[macro_export]
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macro_rules! syscall {
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($fn: ident ( $($arg: expr),* $(,)* ) ) => {{
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#[allow(unused_unsafe)]
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let res = unsafe { libc::$fn($($arg, )*) };
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if res == -1 {
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Err(std::io::Error::last_os_error())
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} else {
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Ok(res)
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}
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}};
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}
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pub use syscall;
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