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|
use anyhow::Result;
use clap::Subcommand;
use mullvad_management_interface::MullvadProxyClient;
use mullvad_types::{
constraints::Constraint,
wireguard::{QuantumResistantState, RotationInterval, DEFAULT_ROTATION_INTERVAL},
};
use super::BooleanOption;
use crate::print_option;
#[derive(Subcommand, Debug)]
pub enum Tunnel {
/// Show current tunnel options
Get,
/// Set tunnel options
#[clap(subcommand)]
Set(TunnelOptions),
}
#[derive(Subcommand, Debug, Clone)]
pub enum TunnelOptions {
/// Manage options for OpenVPN tunnels
#[clap(arg_required_else_help = true)]
Openvpn {
/// Configure the mssfix parameter, or 'any'
#[arg(long, short = 'm')]
mssfix: Option<Constraint<u16>>,
},
/// Manage options for WireGuard tunnels
#[clap(arg_required_else_help = true)]
Wireguard {
/// Configure the tunnel MTU, or 'any'
#[arg(long, short = 'm')]
mtu: Option<Constraint<u16>>,
/// Configure quantum-resistant key exchange
#[arg(long)]
quantum_resistant: Option<QuantumResistantState>,
/// The key rotation interval. Number of hours, or 'any'
#[arg(long)]
rotation_interval: Option<Constraint<RotationInterval>>,
/// Rotate WireGuard key
#[clap(subcommand)]
rotate_key: Option<RotateKey>,
},
/// Enable or disable IPv6 in the tunnel
#[clap(arg_required_else_help = true)]
Ipv6 { state: BooleanOption },
}
#[derive(Subcommand, Debug, Clone)]
pub enum RotateKey {
/// Replace the WireGuard key with a new one
RotateKey,
}
impl Tunnel {
pub async fn handle(self) -> Result<()> {
match self {
Tunnel::Get => Self::get().await,
Tunnel::Set(options) => Self::set(options).await,
}
}
async fn get() -> Result<()> {
let mut rpc = MullvadProxyClient::new().await?;
let tunnel_options = rpc.get_settings().await?.tunnel_options;
println!("OpenVPN options");
print_option!(
"mssfix",
tunnel_options
.openvpn
.mssfix
.map(|val| val.to_string())
.unwrap_or("unset".to_string()),
);
println!("WireGuard options");
print_option!(
"MTU",
tunnel_options
.wireguard
.mtu
.map(|val| val.to_string())
.unwrap_or("unset".to_string()),
);
print_option!(
"Quantum resistance",
tunnel_options.wireguard.quantum_resistant,
);
let key = rpc.get_wireguard_key().await?;
print_option!("Public key", key.key,);
print_option!(format_args!(
"Created {}",
key.created.with_timezone(&chrono::Local)
),);
print_option!(
"Rotation interval",
match tunnel_options.wireguard.rotation_interval {
Some(interval) => interval.to_string(),
None => "unset".to_string(),
},
);
println!("Generic options");
print_option!(
"IPv6",
if tunnel_options.generic.enable_ipv6 {
"on"
} else {
"off"
}
);
Ok(())
}
async fn set(options: TunnelOptions) -> Result<()> {
match options {
TunnelOptions::Openvpn { mssfix } => Self::handle_openvpn(mssfix).await,
TunnelOptions::Wireguard {
mtu,
quantum_resistant,
rotation_interval,
rotate_key,
} => {
Self::handle_wireguard(mtu, quantum_resistant, rotation_interval, rotate_key).await
}
TunnelOptions::Ipv6 { state } => Self::handle_ipv6(state).await,
}
}
async fn handle_ipv6(state: BooleanOption) -> Result<()> {
let mut rpc = MullvadProxyClient::new().await?;
rpc.set_enable_ipv6(*state).await?;
println!("IPv6: {state}");
Ok(())
}
async fn handle_openvpn(mssfix: Option<Constraint<u16>>) -> Result<()> {
let mut rpc = MullvadProxyClient::new().await?;
if let Some(mssfix) = mssfix {
rpc.set_openvpn_mssfix(mssfix.option()).await?;
println!("mssfix parameter has been updated");
}
Ok(())
}
async fn handle_wireguard(
mtu: Option<Constraint<u16>>,
quantum_resistant: Option<QuantumResistantState>,
rotation_interval: Option<Constraint<RotationInterval>>,
rotate_key: Option<RotateKey>,
) -> Result<()> {
let mut rpc = MullvadProxyClient::new().await?;
if let Some(mtu) = mtu {
rpc.set_wireguard_mtu(mtu.option()).await?;
println!("MTU parameter has been updated");
}
if let Some(quantum_resistant) = quantum_resistant {
rpc.set_quantum_resistant_tunnel(quantum_resistant).await?;
println!("Quantum resistant setting has been updated");
}
if let Some(interval) = rotation_interval {
match interval {
Constraint::Only(interval) => {
rpc.set_wireguard_rotation_interval(interval).await?;
println!("Set key rotation interval to {}", interval);
}
Constraint::Any => {
rpc.reset_wireguard_rotation_interval().await?;
println!(
"Reset key rotation interval to {}",
RotationInterval::new(DEFAULT_ROTATION_INTERVAL).unwrap()
);
}
}
}
if matches!(rotate_key, Some(RotateKey::RotateKey)) {
rpc.rotate_wireguard_key().await?;
println!("Rotated WireGuard key");
}
Ok(())
}
}
|
