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use std::{net::Ipv4Addr, str::FromStr, fs::File};
use std::io::Write;
use anyhow::{anyhow, Result};
use crate::wg::{config::WireguardConfig, peer::Peer};
pub fn run(wg_conf: &mut WireguardConfig, wg_conf_path: String, peer_name: &String, ip: Option<&String>) -> Result<()> {
let ip = match ip {
Some(s) => {
Ipv4Addr::from_str(s.as_str())?
},
None => {
match wg_conf.next_free_ip() {
Ok(i) => i,
Err(e) => {
return Err(e);
}
}
}
};
match wg_conf.get_peer(peer_name.as_str()) {
Some(_) => { return Err(anyhow!("There is already a peer named {}", peer_name)); },
None => {}
}
let p = Peer::new(peer_name.clone(), ip)?;
wg_conf.peers.push(p);
let mut f = File::create(wg_conf_path)?;
write!(f, "{}", wg_conf.gen_config()?)?;
Ok(())
}
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