Created
November 12, 2022 13:29
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Make the state of tap0 up on Ubuntu 22.04.1 LTS with Rust (mkdir src && mv main.rs src && sudo cargo run)
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[package] | |
name = "pareiodon" | |
version = "0.1.0" | |
edition = "2021" | |
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html | |
[dependencies] | |
nix = "0.25.0" |
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use std::os::raw::c_char; | |
use nix::{ | |
ioctl_write_ptr_bad, libc, | |
sys::socket::{socket, AddressFamily, SockFlag, SockType}, | |
}; | |
ioctl_write_ptr_bad!(siocsifflags, libc::SIOCSIFFLAGS, libc::ifreq); | |
fn main() { | |
let sock = socket( | |
AddressFamily::Inet, | |
SockType::Datagram, | |
SockFlag::empty(), | |
None, | |
) | |
.unwrap(); | |
let mut ifr_name: [c_char; libc::IF_NAMESIZE] = [0; libc::IF_NAMESIZE]; | |
let name = b"tap0\0"; | |
ifr_name[..name.len()].copy_from_slice(&name.map(|c| c as i8)[..]); | |
let ifru_flags = libc::IFF_UP as i16; | |
let ifr_ifru = libc::__c_anonymous_ifr_ifru { ifru_flags }; | |
let ifreq = libc::ifreq { ifr_name, ifr_ifru }; | |
unsafe { siocsifflags(sock, &ifreq) }.unwrap(); | |
} |
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