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|
use mullvad_management_interface::types::{
error_state::{
firewall_policy_error::ErrorType as FirewallPolicyErrorType, Cause as ErrorStateCause,
FirewallPolicyError, GenerationError,
},
tunnel_state,
tunnel_state::State::*,
ErrorState, KeygenEvent, ProxyType, TransportProtocol, TunnelEndpoint, TunnelState, TunnelType,
};
use mullvad_types::auth_failed::AuthFailed;
use std::fmt::Write;
pub fn print_keygen_event(key_event: &KeygenEvent) {
use mullvad_management_interface::types::keygen_event::KeygenEvent as EventType;
match EventType::from_i32(key_event.event).unwrap() {
EventType::NewKey => {
println!(
"New WireGuard key: {}",
base64::encode(&key_event.new_key.as_ref().unwrap().key)
);
}
EventType::TooManyKeys => {
println!("Account has too many keys already");
}
EventType::GenerationFailure => {
println!("Failed to generate new WireGuard key");
}
}
}
pub fn print_state(state: &TunnelState) {
print!("Tunnel status: ");
match state.state.as_ref().unwrap() {
Error(error) => print_error_state(error.error_state.as_ref().unwrap()),
Connected(tunnel_state::Connected { relay_info }) => {
let endpoint = relay_info
.as_ref()
.unwrap()
.tunnel_endpoint
.as_ref()
.unwrap();
println!("Connected to {}", format_endpoint(&endpoint));
}
Connecting(tunnel_state::Connecting { relay_info }) => {
let endpoint = relay_info
.as_ref()
.unwrap()
.tunnel_endpoint
.as_ref()
.unwrap();
println!("Connecting to {}...", format_endpoint(&endpoint));
}
Disconnected(_) => println!("Disconnected"),
Disconnecting(_) => println!("Disconnecting..."),
}
}
fn format_endpoint(endpoint: &TunnelEndpoint) -> String {
let tunnel_type = TunnelType::from_i32(endpoint.tunnel_type).expect("invalid tunnel protocol");
let mut out = format!(
"{} {} over {}",
match tunnel_type {
TunnelType::Wireguard => "WireGuard",
TunnelType::Openvpn => "OpenVPN",
},
endpoint.address,
format_protocol(
TransportProtocol::from_i32(endpoint.protocol).expect("invalid transport protocol")
),
);
match tunnel_type {
TunnelType::Openvpn => {
if let Some(ref proxy) = endpoint.proxy {
write!(
&mut out,
" via {} {} over {}",
match ProxyType::from_i32(proxy.proxy_type).expect("invalid proxy type") {
ProxyType::Shadowsocks => "Shadowsocks",
ProxyType::Custom => "custom bridge",
},
proxy.address,
format_protocol(
TransportProtocol::from_i32(proxy.protocol)
.expect("invalid transport protocol")
),
)
.unwrap();
}
}
TunnelType::Wireguard => {
if let Some(ref entry_endpoint) = endpoint.entry_endpoint {
write!(
&mut out,
" via {} over {}",
entry_endpoint.address,
format_protocol(
TransportProtocol::from_i32(entry_endpoint.protocol)
.expect("invalid transport protocol")
)
)
.unwrap();
}
}
}
out
}
fn print_error_state(error_state: &ErrorState) {
if error_state.blocking_error.is_some() {
eprintln!("Mullvad daemon failed to setup firewall rules!");
eprintln!("Deamon cannot block traffic from flowing, non-local traffic will leak");
}
match ErrorStateCause::from_i32(error_state.cause) {
Some(ErrorStateCause::AuthFailed) => {
println!(
"Blocked: {}",
AuthFailed::from(error_state.auth_fail_reason.as_ref())
);
}
#[cfg(target_os = "linux")]
Some(ErrorStateCause::SetFirewallPolicyError) => {
println!("Blocked: {}", error_state_to_string(error_state));
println!("Your kernel might be terribly out of date or missing nftables");
}
_ => println!("Blocked: {}", error_state_to_string(error_state)),
}
}
fn error_state_to_string(error_state: &ErrorState) -> String {
use ErrorStateCause::*;
let error_str = match ErrorStateCause::from_i32(error_state.cause).expect("unknown error cause")
{
AuthFailed => {
return if error_state.auth_fail_reason.is_empty() {
"Authentication with remote server failed".to_string()
} else {
format!(
"Authentication with remote server failed: {}",
error_state.auth_fail_reason
)
};
}
Ipv6Unavailable => "Failed to configure IPv6 because it's disabled in the platform",
SetFirewallPolicyError => {
return policy_error_to_string(error_state.policy_error.as_ref().unwrap())
}
SetDnsError => "Failed to set system DNS server",
StartTunnelError => "Failed to start connection to remote server",
TunnelParameterError => {
return format!(
"Failure to generate tunnel parameters: {}",
tunnel_parameter_error_to_string(error_state.parameter_error)
);
}
IsOffline => "This device is offline, no tunnels can be established",
#[cfg(target_os = "android")]
VpnPermissionDenied => "The Android VPN permission was denied when creating the tunnel",
#[cfg(target_os = "windows")]
SplitTunnelError => "The split tunneling module reported an error",
#[cfg(not(target_os = "android"))]
_ => unreachable!("unknown error cause"),
};
error_str.to_string()
}
fn tunnel_parameter_error_to_string(parameter_error: i32) -> &'static str {
match GenerationError::from_i32(parameter_error).expect("unknown generation error") {
GenerationError::NoMatchingRelay => "Failure to select a matching tunnel relay",
GenerationError::NoMatchingBridgeRelay => "Failure to select a matching bridge relay",
GenerationError::NoWireguardKey => "No wireguard key available",
GenerationError::CustomTunnelHostResolutionError => {
"Can't resolve hostname for custom tunnel host"
}
}
}
fn policy_error_to_string(policy_error: &FirewallPolicyError) -> String {
let cause = match FirewallPolicyErrorType::from_i32(policy_error.r#type)
.expect("unknown policy error")
{
FirewallPolicyErrorType::Generic => return "Failed to set firewall policy".to_string(),
FirewallPolicyErrorType::Locked => format!(
"An application prevented the firewall policy from being set: {} (pid {})",
policy_error.lock_name, policy_error.lock_pid
),
};
format!("Failed to set firewall policy: {}", cause)
}
fn format_protocol(protocol: TransportProtocol) -> &'static str {
match protocol {
TransportProtocol::Udp => "UDP",
TransportProtocol::Tcp => "TCP",
}
}
|
