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use anyhow::{Context, anyhow, bail};
use std::net::IpAddr;
use tokio::process::Command;
/// Adds an alias to a network interface.
pub async fn add_alias(interface: &str, addr: IpAddr) -> anyhow::Result<()> {
let context = || anyhow!("Failed to add interface {interface} alias {addr}");
let output = Command::new("ifconfig")
.args([interface, "alias", &format!("{addr}"), "up"])
.output()
.await
.context("Failed to spawn ifconfig")
.with_context(context)?;
if !output.status.success() {
bail!(
"{}: Non-zero exit code from ifconfig: {}",
context(),
output.status
);
}
Ok(())
}
/// Removes an alias from a network interface.
pub async fn remove_alias(interface: &str, addr: IpAddr) -> anyhow::Result<()> {
let context = || anyhow!("Failed to remove interface {interface} alias {addr}");
let output = Command::new("ifconfig")
.args([interface, "delete", &format!("{addr}")])
.output()
.await
.context("Failed to spawn ifconfig")
.with_context(context)?;
if !output.status.success() {
bail!(
"{}: Non-zero exit code from ifconfig: {}",
context(),
output.status
);
}
Ok(())
}
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