cosmic-applets/cosmic-applet-network/src/network_manager/mod.rs
Cheong Lau 3835133af1 fix (network): reversed order of WAPs
Don't use `sort_by_key` when wanting a descending order search...
2025-10-22 10:08:15 -04:00

822 lines
33 KiB
Rust

pub mod active_conns;
pub mod available_vpns;
pub mod available_wifi;
pub mod current_networks;
pub mod devices;
pub mod hw_address;
pub mod wireless_enabled;
use std::{collections::HashMap, fmt::Debug, time::Duration};
use available_wifi::NetworkType;
use cosmic::{
iced::{self, Subscription},
iced_futures::stream,
};
use cosmic_dbus_networkmanager::{
active_connection::ActiveConnection,
device::SpecificDevice,
interface::{
active_connection::ActiveConnectionProxy,
enums::{self, ActiveConnectionState, DeviceType, NmConnectivityState},
},
nm::NetworkManager,
settings::{NetworkManagerSettings, connection::Settings},
};
use futures::{
SinkExt, StreamExt,
channel::mpsc::{UnboundedReceiver, UnboundedSender, unbounded},
};
use hw_address::HwAddress;
use tokio::process::Command;
use zbus::{
Connection,
zvariant::{self, Value},
};
use self::{
available_vpns::{VpnConnection, load_vpn_connections},
available_wifi::{AccessPoint, handle_wireless_device},
current_networks::{ActiveConnectionInfo, active_connections},
};
// In some distros, rfkill is only in sbin, which isn't normally in PATH
// TODO: Directly access `/dev/rfkill`
fn rfkill_path_var() -> std::ffi::OsString {
let mut path = std::env::var_os("PATH").unwrap_or_default();
path.push(":/usr/sbin");
path
}
#[derive(Debug)]
pub enum State {
Ready,
Waiting(Connection, UnboundedReceiver<NetworkManagerRequest>),
Finished,
}
pub fn network_manager_subscription<I: Copy + Debug + std::hash::Hash + 'static>(
id: I,
) -> iced::Subscription<NetworkManagerEvent> {
Subscription::run_with_id(
id,
stream::channel(50, |mut output| async move {
let mut state = State::Ready;
loop {
state = start_listening(state, &mut output).await;
}
}),
)
}
async fn start_listening(
state: State,
output: &mut futures::channel::mpsc::Sender<NetworkManagerEvent>,
) -> State {
match state {
State::Ready => {
let Ok(conn) = Connection::system().await else {
return State::Finished;
};
let (tx, rx) = unbounded();
let nm_state = NetworkManagerState::new(&conn).await.unwrap_or_default();
if output
.send(NetworkManagerEvent::Init {
conn: conn.clone(),
sender: tx,
state: nm_state,
})
.await
.is_ok()
{
State::Waiting(conn, rx)
} else {
State::Finished
}
}
State::Waiting(conn, mut rx) => {
let Ok(network_manager) = NetworkManager::new(&conn).await else {
return State::Finished;
};
match rx.next().await {
Some(NetworkManagerRequest::Disconnect(ssid, hw_address)) => {
let mut success = false;
for c in network_manager
.active_connections()
.await
.unwrap_or_default()
{
if c.id().await.unwrap_or_default() != ssid {
continue;
}
let mut is_there_device = false;
for device in c.devices().await.unwrap_or_default() {
if HwAddress::from_str(device.hw_address().await.as_ref().unwrap())
== Some(hw_address)
{
is_there_device = true;
}
}
if is_there_device
&& network_manager.deactivate_connection(&c).await.is_ok()
{
success = true;
if let Ok(ActiveConnectionState::Deactivated) = c.state().await {
break;
} else {
let mut changed = c.receive_state_changed().await;
_ = tokio::time::timeout(Duration::from_secs(5), async move {
loop {
if let Some(next) = changed.next().await {
if let Ok(ActiveConnectionState::Deactivated) =
next.get().await.map(ActiveConnectionState::from)
{
break;
}
}
}
})
.await;
}
break;
}
}
_ = output
.send(NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::Disconnect(ssid.clone(), hw_address),
success,
state: NetworkManagerState::new(&conn).await.unwrap_or_default(),
})
.await;
}
Some(NetworkManagerRequest::SetAirplaneMode(airplane_mode)) => {
// wifi
let mut success = network_manager
.set_wireless_enabled(!airplane_mode)
.await
.is_ok();
// bluetooth
success = success
&& Command::new("rfkill")
.env("PATH", rfkill_path_var())
.arg(if airplane_mode { "block" } else { "unblock" })
.arg("bluetooth")
.output()
.await
.is_ok();
let mut state = NetworkManagerState::new(&conn).await.unwrap_or_default();
state.airplane_mode = if success {
airplane_mode
} else {
!airplane_mode
};
if state.airplane_mode {
state.wifi_enabled = false;
}
_ = output
.send(NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::SetAirplaneMode(airplane_mode),
success,
state,
})
.await;
}
Some(NetworkManagerRequest::SetWiFi(enabled)) => {
let success = network_manager.set_wireless_enabled(enabled).await.is_ok();
let mut state = NetworkManagerState::new(&conn).await.unwrap_or_default();
state.wifi_enabled = if success { enabled } else { !enabled };
let response = NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::SetWiFi(enabled),
success,
state,
};
_ = output.send(response).await;
}
Some(NetworkManagerRequest::Authenticate {
ssid,
identity,
password,
hw_address,
}) => {
let nm_state = NetworkManagerState::new(&conn).await.unwrap_or_default();
let mut success = true;
let err = nm_state
.connect_wifi(
&conn,
&ssid,
identity.as_deref(),
Some(&password),
hw_address,
)
.await;
if let Err(err) = err {
success = false;
tracing::error!("{:?}", &err);
}
_ = output
.send(NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::Authenticate {
ssid: ssid.clone(),
identity: identity.clone(),
password: password.clone(),
hw_address,
},
success,
state: NetworkManagerState::new(&conn).await.unwrap_or_default(),
})
.await;
}
Some(NetworkManagerRequest::SelectAccessPoint(ssid, hw_address, network_type)) => {
if matches!(network_type, NetworkType::Open) {
attempt_wifi_connection(&conn, ssid, hw_address, network_type, output)
.await;
} else {
// For secured networks, check if we have saved credentials
if !has_saved_wifi_credentials(&conn, &ssid).await {
return State::Waiting(conn, rx);
}
// We have saved credentials, attempt connection
attempt_wifi_connection(&conn, ssid, hw_address, network_type, output)
.await;
}
}
Some(NetworkManagerRequest::Reload) => {
let state = NetworkManagerState::new(&conn).await.unwrap_or_default();
_ = output
.send(NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::Reload,
success: true,
state,
})
.await;
}
Some(NetworkManagerRequest::Forget(ssid, hw_address)) => {
let s = NetworkManagerSettings::new(&conn).await.unwrap();
let known_conns = s.list_connections().await.unwrap_or_default();
let mut success = false;
for c in known_conns {
let settings = c.get_settings().await.ok().unwrap_or_default();
let s = Settings::new(settings);
if s.wifi
.as_ref()
.and_then(|w| w.ssid.as_deref())
.is_some_and(|s| std::str::from_utf8(s).is_ok_and(|s| s == ssid))
{
// todo most likely we can here forget ssid from wrong hw_address
_ = c.delete().await;
success = true;
break;
}
}
let state = NetworkManagerState::new(&conn).await.unwrap_or_default();
_ = output
.send(NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::Forget(ssid.clone(), hw_address),
success,
state,
})
.await;
}
Some(NetworkManagerRequest::ActivateVpn(uuid)) => {
tracing::info!("Activating VPN with UUID: {}", uuid);
let network_manager = match NetworkManager::new(&conn).await {
Ok(n) => n,
Err(e) => {
tracing::error!("Failed to connect to NetworkManager: {:?}", e);
_ = output
.send(NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::ActivateVpn(uuid),
success: false,
state: NetworkManagerState::new(&conn)
.await
.unwrap_or_default(),
})
.await;
return State::Waiting(conn, rx);
}
};
let mut success = false;
// Find the connection by UUID
if let Ok(nm_settings) = NetworkManagerSettings::new(&conn).await {
if let Ok(connections) = nm_settings.list_connections().await {
for connection in connections {
if let Ok(settings) = connection.get_settings().await {
let settings = Settings::new(settings);
if let Some(conn_settings) = &settings.connection {
if conn_settings.uuid.as_ref() == Some(&uuid) {
// Activate the VPN connection without a specific device
// Call the D-Bus method directly since VPNs don't need a device
use zbus::zvariant::ObjectPath;
let empty_device = ObjectPath::try_from("/").unwrap();
match network_manager
.inner()
.call_method(
"ActivateConnection",
&(
connection.inner().path(),
empty_device.clone(),
empty_device,
),
)
.await
{
Ok(_) => {
tracing::info!(
"Successfully activated VPN: {}",
uuid
);
success = true;
}
Err(e) => {
tracing::error!(
"Failed to activate VPN {}: {:?}",
uuid,
e
);
}
}
break;
}
}
}
}
}
}
if !success {
tracing::warn!(
"VPN connection with UUID {} not found or failed to activate",
uuid
);
}
let state = NetworkManagerState::new(&conn).await.unwrap_or_default();
_ = output
.send(NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::ActivateVpn(uuid),
success,
state,
})
.await;
}
Some(NetworkManagerRequest::DeactivateVpn(name)) => {
tracing::info!("Deactivating VPN: {}", name);
let network_manager = match NetworkManager::new(&conn).await {
Ok(n) => n,
Err(e) => {
tracing::error!("Failed to connect to NetworkManager: {:?}", e);
_ = output
.send(NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::DeactivateVpn(name),
success: false,
state: NetworkManagerState::new(&conn)
.await
.unwrap_or_default(),
})
.await;
return State::Waiting(conn, rx);
}
};
let mut success = false;
// Find and deactivate the active VPN connection by name
if let Ok(active_connections) = network_manager.active_connections().await {
for active_conn in active_connections {
if let Ok(conn_id) = active_conn.id().await {
if conn_id == name && active_conn.vpn().await.unwrap_or(false) {
match network_manager.deactivate_connection(&active_conn).await
{
Ok(_) => {
tracing::info!(
"Successfully deactivated VPN: {}",
name
);
success = true;
break;
}
Err(e) => {
tracing::error!(
"Failed to deactivate VPN {}: {:?}",
name,
e
);
}
}
}
}
}
}
if !success {
tracing::warn!(
"Active VPN connection '{}' not found or failed to deactivate",
name
);
}
let state = NetworkManagerState::new(&conn).await.unwrap_or_default();
_ = output
.send(NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::DeactivateVpn(name),
success,
state,
})
.await;
}
_ => {
return State::Finished;
}
}
State::Waiting(conn, rx)
}
State::Finished => iced::futures::future::pending().await,
}
}
async fn has_saved_wifi_credentials(conn: &Connection, ssid: &str) -> bool {
let Ok(nm_settings) = NetworkManagerSettings::new(conn).await else {
return false;
};
let known_conns = nm_settings.list_connections().await.unwrap_or_default();
for connection in known_conns {
if let Ok(settings) = connection.get_settings().await {
let settings = Settings::new(settings);
if let Some(saved_ssid) = settings
.wifi
.and_then(|w| w.ssid)
.and_then(|ssid| String::from_utf8(ssid).ok())
{
if saved_ssid == ssid {
return true;
}
}
}
}
false
}
async fn attempt_wifi_connection(
conn: &Connection,
ssid: String,
hw_address: HwAddress,
network_type: NetworkType,
output: &mut futures::channel::mpsc::Sender<NetworkManagerEvent>,
) {
let state = NetworkManagerState::new(conn).await.unwrap_or_default();
let success = if let Err(err) = state
.connect_wifi(conn, ssid.as_ref(), None, None, hw_address)
.await
{
tracing::error!("Failed to connect to access point: {:?}", err);
false
} else {
true
};
_ = output
.send(NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::SelectAccessPoint(ssid, hw_address, network_type),
success,
state: NetworkManagerState::new(conn).await.unwrap_or_default(),
})
.await;
}
#[derive(Debug, Clone)]
pub enum NetworkManagerRequest {
SetAirplaneMode(bool),
SetWiFi(bool),
SelectAccessPoint(String, HwAddress, NetworkType),
Disconnect(String, HwAddress),
Authenticate {
ssid: String,
identity: Option<String>,
password: String,
hw_address: HwAddress,
},
Forget(String, HwAddress),
Reload,
ActivateVpn(String), // UUID of VPN connection to activate
DeactivateVpn(String), // Name of active VPN connection to deactivate
}
#[derive(Debug, Clone)]
pub enum NetworkManagerEvent {
RequestResponse {
req: NetworkManagerRequest,
state: NetworkManagerState,
success: bool,
},
Init {
conn: Connection,
sender: UnboundedSender<NetworkManagerRequest>,
state: NetworkManagerState,
},
WiFiEnabled(NetworkManagerState),
WirelessAccessPoints(NetworkManagerState),
ActiveConns(NetworkManagerState),
}
#[derive(Debug, Clone)]
pub struct NetworkManagerState {
pub wireless_access_points: Vec<AccessPoint>,
pub active_conns: Vec<ActiveConnectionInfo>,
pub known_access_points: Vec<AccessPoint>,
pub available_vpns: Vec<VpnConnection>,
pub wifi_enabled: bool,
pub airplane_mode: bool,
pub connectivity: NmConnectivityState,
}
impl Default for NetworkManagerState {
fn default() -> Self {
Self {
wireless_access_points: Vec::new(),
active_conns: Vec::new(),
known_access_points: Vec::new(),
available_vpns: Vec::new(),
wifi_enabled: false,
airplane_mode: false,
connectivity: NmConnectivityState::Unknown,
}
}
}
impl NetworkManagerState {
pub async fn new(conn: &Connection) -> anyhow::Result<Self> {
let network_manager = NetworkManager::new(conn).await?;
let mut self_ = Self::default();
// airplane mode
let airplaine_mode = Command::new("rfkill")
.env("PATH", rfkill_path_var())
.arg("list")
.arg("bluetooth")
.output()
.await?;
let airplane_mode = std::str::from_utf8(&airplaine_mode.stdout).unwrap_or_default();
self_.wifi_enabled = network_manager.wireless_enabled().await.unwrap_or_default();
self_.airplane_mode = airplane_mode.contains("Soft blocked: yes") && !self_.wifi_enabled;
let s = NetworkManagerSettings::new(conn).await?;
_ = s.load_connections(&[]).await;
let known_conns = s.list_connections().await.unwrap_or_default();
let active_conns = active_connections(
network_manager
.active_connections()
.await
.unwrap_or_default(),
)
.await
.unwrap_or_default();
// active_conns.sort(); active_connections should have already sorted the vector
let devices = network_manager.devices().await.ok().unwrap_or_default();
let wireless_access_point_futures: Vec<_> = devices
.into_iter()
.map(|device| async move {
if let Ok(Some(SpecificDevice::Wireless(wireless_device))) =
device.downcast_to_device().await
{
handle_wireless_device(wireless_device, device.hw_address().await.ok())
.await
.unwrap_or_default()
} else {
Vec::new()
}
})
.collect();
let mut wireless_access_points = Vec::with_capacity(wireless_access_point_futures.len());
for f in wireless_access_point_futures {
let mut access_points = f.await;
wireless_access_points.append(&mut access_points);
}
let mut known_ssid = Vec::with_capacity(known_conns.len());
for c in known_conns {
let Ok(s) = c.get_settings().await else {
tracing::info!("Failed to get settings for known connection");
continue;
};
let s = Settings::new(s);
if let Some(cur_ssid) = s
.wifi
.clone()
.and_then(|w| w.ssid)
.and_then(|ssid| String::from_utf8(ssid).ok())
{
known_ssid.push(cur_ssid);
}
}
let known_access_points: Vec<_> = wireless_access_points
.iter()
.filter(|a| {
known_ssid.contains(&a.ssid)
&& !active_conns
.iter()
.any(|ac| ac.name() == a.ssid && ac.hw_address() == a.hw_address)
})
.cloned()
.collect();
wireless_access_points.sort_by(|a, b| b.strength.cmp(&a.strength));
self_.wireless_access_points = wireless_access_points;
for ap in &self_.wireless_access_points {
tracing::info!(
"AP ssid: {},\ttype: {:?},\tworking: {},\tstate: {:?}",
ap.ssid,
ap.network_type,
ap.working,
ap.state
);
}
self_.active_conns = active_conns;
self_.known_access_points = known_access_points;
self_.connectivity = network_manager.connectivity().await?;
// Load available VPN connections
self_.available_vpns = load_vpn_connections(conn).await.unwrap_or_default();
Ok(self_)
}
#[allow(dead_code)]
pub fn clear(&mut self) {
self.active_conns = Vec::new();
self.known_access_points = Vec::new();
self.wireless_access_points = Vec::new();
self.available_vpns = Vec::new();
}
async fn connect_wifi(
&self,
conn: &Connection,
ssid: &str,
identity: Option<&str>,
password: Option<&str>,
hw_address: HwAddress,
) -> anyhow::Result<()> {
let nm = NetworkManager::new(conn).await?;
for c in nm.active_connections().await.unwrap_or_default() {
if self.wireless_access_points.iter().any(|w| {
c.cached_id()
.is_ok_and(|opt| opt.is_some_and(|id| id == w.ssid))
&& w.hw_address == hw_address
}) {
_ = nm.deactivate_connection(&c).await;
}
}
let Some(ap) = self
.wireless_access_points
.iter()
.find(|ap| ap.ssid == ssid && ap.hw_address == hw_address)
else {
return Err(anyhow::anyhow!("Access point not found"));
};
let mut conn_settings: HashMap<&str, HashMap<&str, zvariant::Value>> = HashMap::from([
(
"802-11-wireless",
HashMap::from([("ssid", Value::Array(ssid.as_bytes().into()))]),
),
(
"connection",
HashMap::from([
("id", Value::Str(ssid.into())),
("type", Value::Str("802-11-wireless".into())),
]),
),
]);
if let Some(identity) = identity {
conn_settings.insert(
"802-1x",
HashMap::from([
("identity", Value::Str(identity.into())),
// most common default
("eap", Value::Array(["peap"].as_slice().into())),
// most common default
("phase2-auth", Value::Str("mschapv2".into())),
("password", Value::Str(password.unwrap_or("").into())),
]),
);
let wireless = conn_settings.get_mut("802-11-wireless").unwrap();
wireless.insert("security", Value::Str("802-11-wireless-security".into()));
wireless.insert("mode", Value::Str("infrastructure".into()));
conn_settings.insert(
"802-11-wireless-security",
HashMap::from([("key-mgmt", Value::Str("wpa-eap".into()))]),
);
} else if let Some(pass) = password {
conn_settings.insert(
"802-11-wireless-security",
HashMap::from([
("psk", Value::Str(pass.into())),
("key-mgmt", Value::Str("wpa-psk".into())),
]),
);
}
let devices = nm.devices().await?;
for device in devices {
let device_hw_address = device
.hw_address()
.await
.ok()
.and_then(|device_address| HwAddress::from_str(&device_address))
.unwrap_or_default();
if device_hw_address != hw_address {
continue;
}
if !matches!(
device.device_type().await.unwrap_or(DeviceType::Other),
DeviceType::Wifi
) {
continue;
}
let s = NetworkManagerSettings::new(conn).await?;
let known_conns = s.list_connections().await.unwrap_or_default();
let mut known_conn = None;
for c in known_conns {
let settings = c.get_settings().await.ok().unwrap_or_default();
let s = Settings::new(settings);
// todo try to add hw_address comparing here if it changes anything
if s.wifi
.as_ref()
.and_then(|w| w.ssid.as_deref())
.is_some_and(|s| std::str::from_utf8(s).is_ok_and(|cur_ssid| cur_ssid == ssid))
{
known_conn = Some(c);
break;
}
}
let active_conn = if let Some(known_conn) = known_conn.as_ref() {
// update settings if needed
if password.is_some() {
known_conn.update(conn_settings).await?;
}
nm.activate_connection(known_conn, &device).await?
} else {
let (_, active_conn) = nm
.add_and_activate_connection(conn_settings, device.inner().path(), &ap.path)
.await?;
let dummy = ActiveConnectionProxy::new(conn, active_conn).await?;
let active = ActiveConnectionProxy::builder(conn)
.destination(dummy.inner().destination().to_owned())
.unwrap()
.interface(dummy.inner().interface().to_owned())
.unwrap()
.path(dummy.inner().path().to_owned())
.unwrap()
.build()
.await
.unwrap();
ActiveConnection::from(active)
};
let mut changes = active_conn.receive_state_changed().await;
() = tokio::time::sleep(tokio::time::Duration::from_millis(500)).await;
let mut count = 5;
loop {
let state = active_conn.state().await;
if let Ok(enums::ActiveConnectionState::Activated) = state {
return Ok(());
} else if let Ok(enums::ActiveConnectionState::Deactivated) = state {
anyhow::bail!("Failed to activate connection");
}
if let Ok(Some(s)) =
tokio::time::timeout(Duration::from_secs(20), changes.next()).await
{
let state = s.get().await.unwrap_or_default().into();
if matches!(state, enums::ActiveConnectionState::Activated) {
return Ok(());
}
}
count -= 1;
if count <= 0 {
anyhow::bail!("Failed to activate connection");
}
}
}
Err(anyhow::anyhow!("No wifi device found"))
}
}