feat: merge subscriptions crate into cosmic-settings repo

This commit is contained in:
Michael Aaron Murphy 2025-10-08 08:19:35 +02:00 committed by Michael Murphy
parent a2f53f2239
commit 600720b7d1
47 changed files with 8399 additions and 63 deletions

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// Copyright 2024 System76 <info@system76.com>
// SPDX-License-Identifier: MPL-2.0
use super::Event;
use cosmic_dbus_networkmanager::nm::NetworkManager;
use futures::{SinkExt, StreamExt};
use iced_futures::{Subscription, stream};
use std::{fmt::Debug, hash::Hash};
use zbus::Connection;
#[derive(Debug, Clone)]
pub enum State {
Continue(Connection),
Error,
}
pub fn active_conns_subscription<I: 'static + Hash + Copy + Send + Sync + Debug>(
id: I,
conn: Connection,
) -> iced_futures::Subscription<Event> {
Subscription::run_with_id(
id,
stream::channel(50, move |output| async move {
watch(conn, output).await;
futures::future::pending().await
}),
)
}
pub async fn watch(conn: zbus::Connection, mut output: futures::channel::mpsc::Sender<Event>) {
let mut state = State::Continue(conn);
loop {
state = start_listening(state, &mut output).await;
}
}
async fn start_listening(
state: State,
output: &mut futures::channel::mpsc::Sender<Event>,
) -> State {
let conn = match state {
State::Continue(conn) => conn,
State::Error => futures::future::pending().await,
};
let network_manager = match NetworkManager::new(&conn).await {
Ok(n) => n,
Err(why) => {
tracing::error!(why = why.to_string(), "Failed to connect to NetworkManager");
return State::Error;
}
};
let mut active_conns_changed = network_manager.receive_active_connections_changed().await;
active_conns_changed.next().await;
while let (Some(_change), _) = futures::future::join(
active_conns_changed.next(),
tokio::time::sleep(tokio::time::Duration::from_secs(1)),
)
.await
{
_ = output.send(Event::ActiveConns).await;
}
State::Continue(conn)
}

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// Copyright 2024 System76 <info@system76.com>
// SPDX-License-Identifier: MPL-2.0
use cosmic_dbus_networkmanager::{
device::wireless::WirelessDevice,
interface::enums::{ApFlags, ApSecurityFlags, DeviceState},
};
use futures::StreamExt;
use itertools::Itertools;
use std::{collections::HashMap, sync::Arc};
use zbus::zvariant::ObjectPath;
use super::hw_address::HwAddress;
pub async fn handle_wireless_device(
device: WirelessDevice<'_>,
hw_address: Option<String>,
) -> zbus::Result<Vec<AccessPoint>> {
device.request_scan(HashMap::new()).await?;
let mut scan_changed = device.receive_last_scan_changed().await;
if let Some(t) = scan_changed.next().await {
match t.get().await {
Ok(-1) => {
tracing::error!("wireless device scan errored");
return Ok(Default::default());
}
_ => (),
}
}
let access_points = device.get_access_points().await?;
let state: DeviceState = device
.upcast()
.await
.and_then(|dev| dev.cached_state())
.unwrap_or_default()
.map(|s| s.into())
.unwrap_or_else(|| DeviceState::Unknown);
// Sort by strength and remove duplicates
let mut aps = HashMap::<String, AccessPoint>::new();
for ap in access_points {
let (ssid_res, strength_res) = futures::join!(ap.ssid(), ap.strength());
if let Some((ssid, strength)) = ssid_res.ok().zip(strength_res.ok()) {
let ssid = String::from_utf8_lossy(&ssid.clone()).into_owned();
if let Some(access_point) = aps.get(&ssid) {
if access_point.strength > strength {
continue;
}
}
let Ok(flags) = ap.rsn_flags().await else {
continue;
};
let network_type = if flags.intersects(ApSecurityFlags::KEY_MGMT_802_1X) {
NetworkType::EAP
} else if flags.intersects(ApSecurityFlags::KEY_MGMTPSK) {
NetworkType::PSK
} else if flags.is_empty() {
NetworkType::Open
} else {
continue;
};
aps.insert(
ssid.clone(),
AccessPoint {
ssid: Arc::from(ssid),
strength,
state,
working: false,
path: ap.inner().path().to_owned(),
secured: !ap.wpa_flags().await?.is_empty(),
wps_push: ap.flags().await?.contains(ApFlags::WPS_PBC),
network_type,
hw_address: hw_address
.as_ref()
.and_then(|str_addr| HwAddress::from_str(str_addr))
.unwrap_or_default(),
},
);
}
}
let aps = aps
.into_values()
.sorted_by(|a, b| b.strength.cmp(&a.strength))
.collect();
Ok(aps)
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct AccessPoint {
pub ssid: Arc<str>,
pub strength: u8,
pub state: DeviceState,
pub working: bool,
pub path: ObjectPath<'static>,
pub hw_address: HwAddress,
pub secured: bool,
pub wps_push: bool,
pub network_type: NetworkType,
}
// TODO do we want to support eap methods other than peap in the applet?
// Then we'd need a dropdown for the eap method,
// and tls requires a cert instead of a password
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum NetworkType {
Open,
PSK,
EAP,
}

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// Copyright 2024 System76 <info@system76.com>
// SPDX-License-Identifier: MPL-2.0
use cosmic_dbus_networkmanager::{
active_connection::ActiveConnection, device::SpecificDevice,
interface::enums::ActiveConnectionState,
};
use std::net::Ipv4Addr;
pub async fn active_connections(
active_connections: Vec<ActiveConnection<'_>>,
) -> zbus::Result<Vec<ActiveConnectionInfo>> {
let mut info = Vec::<ActiveConnectionInfo>::with_capacity(active_connections.len());
for connection in active_connections {
let ipv4 = connection
.ip4_config()
.await?
.address_data()
.await
.unwrap_or_default();
let addresses: Vec<_> = ipv4.iter().map(|d| d.address).collect();
let state = connection
.state()
.await
.unwrap_or(ActiveConnectionState::Unknown);
if connection.vpn().await.unwrap_or_default() {
info.push(ActiveConnectionInfo::Vpn {
name: connection.id().await?,
ip_addresses: addresses.clone(),
});
continue;
}
for device in connection.devices().await.unwrap_or_default() {
match device
.downcast_to_device()
.await
.ok()
.and_then(|inner| inner)
{
Some(SpecificDevice::Wired(wired_device)) => {
info.push(ActiveConnectionInfo::Wired {
name: connection.id().await?,
hw_address: wired_device.hw_address().await?,
speed: wired_device.speed().await?,
ip_addresses: addresses.clone(),
});
}
Some(SpecificDevice::Wireless(wireless_device)) => {
if let Ok(access_point) = wireless_device.active_access_point().await {
info.push(ActiveConnectionInfo::WiFi {
name: String::from_utf8_lossy(&access_point.ssid().await?).into_owned(),
ip_addresses: addresses.clone(),
hw_address: wireless_device.hw_address().await?,
state,
strength: access_point.strength().await.unwrap_or_default(),
});
}
}
Some(SpecificDevice::WireGuard(_)) => {
info.push(ActiveConnectionInfo::Vpn {
name: connection.id().await?,
ip_addresses: addresses.clone(),
});
}
_ => {}
}
}
}
info.sort_by(|a, b| {
let helper = |conn: &ActiveConnectionInfo| match conn {
ActiveConnectionInfo::Vpn { name, .. } => format!("0{name}"),
ActiveConnectionInfo::Wired { name, .. } => format!("1{name}"),
ActiveConnectionInfo::WiFi { name, .. } => format!("2{name}"),
};
helper(a).cmp(&helper(b))
});
Ok(info)
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum ActiveConnectionInfo {
Wired {
name: String,
hw_address: String,
speed: u32,
ip_addresses: Vec<Ipv4Addr>,
},
WiFi {
name: String,
ip_addresses: Vec<Ipv4Addr>,
hw_address: String,
state: ActiveConnectionState,
strength: u8,
},
Vpn {
name: String,
ip_addresses: Vec<Ipv4Addr>,
},
}
impl ActiveConnectionInfo {
pub fn name(&self) -> String {
match &self {
Self::Wired { name, .. } => name.clone(),
Self::WiFi { name, .. } => name.clone(),
Self::Vpn { name, .. } => name.clone(),
}
}
}

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// Copyright 2024 System76 <info@system76.com>
// SPDX-License-Identifier: MPL-2.0
use super::Event;
pub use cosmic_dbus_networkmanager::interface::enums::{
ActiveConnectionState, DeviceState, DeviceType,
};
use cosmic_dbus_networkmanager::nm::NetworkManager;
use futures::{SinkExt, StreamExt};
use iced_futures::{self, Subscription, stream};
use std::{fmt::Debug, hash::Hash, sync::Arc};
use zbus::{Connection, zvariant::ObjectPath};
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct DeviceInfo {
pub path: ObjectPath<'static>,
pub device_type: DeviceType,
pub interface: String,
pub state: DeviceState,
pub active_connection: Option<(DeviceConnection, ActiveConnectionState)>,
pub available_connections: Vec<DeviceConnection>,
pub known_connections: Vec<KnownDeviceConnection>,
}
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct DeviceConnection {
pub path: ObjectPath<'static>,
pub id: String,
pub uuid: Arc<str>,
}
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct KnownDeviceConnection {
pub id: String,
pub uuid: Arc<str>,
}
pub async fn list<'a>(
conn: &'a zbus::Connection,
device_type_filter: fn(DeviceType) -> bool,
) -> zbus::Result<Vec<DeviceInfo>> {
let nm = NetworkManager::new(conn).await?;
let (devices, nm_settings) = futures::try_join!(nm.devices(), nm.settings())?;
let connection_settings: &Vec<_> = &futures::stream::FuturesOrdered::from_iter(
nm_settings
.list_connections()
.await?
.into_iter()
.map(|connection| async move { connection.get_settings().await }),
)
.filter_map(|res| async move { res.ok() })
.collect()
.await;
let device_iter = devices.into_iter().map(|device| async move {
let (interface, hw_address, device_type, state, available_connections) =
futures::try_join!(
device.interface(),
device.hw_address(),
device.device_type(),
device.state(),
device.available_connections()
)
.ok()?;
if !device_type_filter(device_type) {
return None;
}
if hw_address.is_empty() {
return None;
}
let (active_connection, available_connections) = futures::join!(
async {
let connection = device.active_connection().await?;
let (id, uuid, state) =
futures::try_join!(connection.id(), connection.uuid(), connection.state())?;
Ok::<_, zbus::Error>((
DeviceConnection {
id,
uuid: Arc::from(uuid),
path: connection.inner().path().to_owned(),
},
state,
))
},
futures::stream::FuturesOrdered::from_iter(available_connections.into_iter().map(
|conn| async move {
let path = conn.inner().path().to_owned();
let settings = conn.get_settings().await.ok()?;
let id = settings
.get("connection")?
.get("id")?
.downcast_ref::<String>()
.ok()?;
let uuid = settings["connection"]
.get("uuid")?
.downcast_ref::<String>()
.ok()?;
Some(DeviceConnection {
id,
uuid: Arc::from(uuid),
path,
})
}
),)
.filter_map(|res| async move { res })
.collect::<Vec<_>>()
);
let known_connections = connection_settings
.iter()
.flat_map(|conn_settings| {
let connection = conn_settings.get("connection")?;
let interface_name = connection
.get("interface-name")?
.downcast_ref::<String>()
.ok()?;
if interface_name != interface {
return None;
}
let id = connection.get("id")?.downcast_ref::<String>().ok()?;
let uuid = connection.get("uuid")?.downcast_ref::<String>().ok()?;
Some(KnownDeviceConnection {
uuid: Arc::from(uuid),
id,
})
})
.collect();
Some(DeviceInfo {
path: device.inner().path().to_owned(),
device_type,
interface,
state,
active_connection: active_connection.ok(),
known_connections,
available_connections,
})
});
let devices_info = futures::stream::FuturesOrdered::from_iter(device_iter)
.filter_map(|res| async move { res })
.collect::<Vec<DeviceInfo>>()
.await;
Ok(devices_info)
}
pub fn subscription<I: 'static + Hash + Copy + Send + Sync + Debug>(
id: I,
has_popup: bool,
conn: Connection,
) -> iced_futures::Subscription<Event> {
Subscription::run_with_id(
(id, has_popup),
stream::channel(50, move |output| async move {
watch(conn, has_popup, output).await;
futures::future::pending().await
}),
)
}
pub async fn watch(
conn: zbus::Connection,
has_popup: bool,
mut output: futures::channel::mpsc::Sender<Event>,
) {
let mut state = State::Continue(conn);
loop {
state = start_listening(state, has_popup, &mut output).await;
}
}
#[derive(Debug, Clone)]
pub enum State {
Continue(Connection),
Error,
}
async fn start_listening(
state: State,
has_popup: bool,
output: &mut futures::channel::mpsc::Sender<Event>,
) -> State {
let conn = match state {
State::Continue(conn) => conn,
State::Error => futures::future::pending().await,
};
let network_manager = match NetworkManager::new(&conn).await {
Ok(n) => n,
Err(why) => {
tracing::error!(
why = why.to_string(),
"failed to connect to network_manager"
);
return State::Error;
}
};
let mut devices_changed = network_manager.receive_devices_changed().await;
let secs = if has_popup { 4 } else { 60 };
while let (Some(_change), _) = futures::future::join(
devices_changed.next(),
tokio::time::sleep(tokio::time::Duration::from_secs(secs)),
)
.await
{
_ = output.send(Event::Devices).await;
}
State::Continue(conn)
}

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#[derive(Copy, Clone, PartialEq, Eq, Default, Debug, PartialOrd, Ord)]
pub struct HwAddress {
address: u64,
}
impl HwAddress {
pub fn from_str(arg: &str) -> Option<Self> {
let columnless_vec = arg.split(":").collect::<Vec<&str>>();
if columnless_vec.len() * 3 - 1 != arg.len() {
return None;
}
for byte in &columnless_vec {
if byte.len() != 2 {
return None;
}
}
u64::from_str_radix(columnless_vec.join("").as_str(), 16)
.ok()
.and_then(|address| Some(HwAddress { address }))
}
pub fn from_string(arg: &String) -> Option<Self> {
HwAddress::from_str(arg.as_str())
}
pub fn to_string(&self) -> String {
format!("{:#x}", self.address)
.trim_start_matches("0x")
.chars()
.collect::<Vec<_>>()
.chunks(2)
.map(|chunk| chunk.iter().cloned().collect::<String>())
.collect::<Vec<String>>()
.join(":")
}
}

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// Copyright 2024 System76 <info@system76.com>
// SPDX-License-Identifier: MPL-2.0
pub mod active_conns;
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, sync::Arc, time::Duration};
use available_wifi::NetworkType;
pub use cosmic_dbus_networkmanager as dbus;
pub use dbus::settings::connection::Settings;
use cosmic_dbus_networkmanager::{
active_connection::ActiveConnection,
device::SpecificDevice,
interface::{
active_connection::ActiveConnectionProxy,
enums::{self, ActiveConnectionState, DeviceType, NmConnectivityState},
},
nm::NetworkManager,
settings::NetworkManagerSettings,
};
use futures::{
FutureExt, SinkExt, StreamExt,
channel::mpsc::{UnboundedReceiver, UnboundedSender, unbounded},
};
use hw_address::HwAddress;
use iced_futures::{Subscription, stream};
use secure_string::SecureString;
use tokio::process::Command;
use zbus::zvariant::{self, ObjectPath, Value};
use self::{
available_wifi::{AccessPoint, handle_wireless_device},
current_networks::{ActiveConnectionInfo, active_connections},
};
pub type SSID = Arc<str>;
pub type UUID = Arc<str>;
#[derive(thiserror::Error, Debug)]
pub enum Error {
#[error("access point not found")]
AccessPointNotFound,
#[error("failed to list bluetooth devices with rfkill")]
BluetoothRfkillList(std::io::Error),
#[error("failed to activate connection")]
ConnectionActivate,
#[error("no wifi devices found")]
NoWiFiDevices,
#[error("zbus error")]
Zbus(#[from] zbus::Error),
}
#[derive(Debug)]
pub enum State {
Ready(zbus::Connection),
Waiting(zbus::Connection, UnboundedReceiver<Request>),
Finished,
}
/// Reloads state on available connection changes.
pub async fn watch_connections_changed(
conn: zbus::Connection,
mut output: futures::channel::mpsc::Sender<Event>,
) {
let Ok(nm) = NetworkManager::new(&conn).await else {
return;
};
let mut device_stream = nm.receive_devices_changed().await;
loop {
// Emits updates when available connections changes.
let connections_changed = std::pin::pin!(async {
let devices = nm.devices().await.unwrap_or_default();
let mut connection_streams =
futures::stream::FuturesUnordered::from_iter(devices.into_iter().map(
|device| async move { device.receive_available_connections_changed().await },
))
.collect::<Vec<_>>()
.await;
let mut available_connections = futures::stream::FuturesUnordered::from_iter(
connection_streams
.iter_mut()
.map(|stream| async { stream.next().await }),
);
loop {
_ = futures::join!(
available_connections.next(),
tokio::time::sleep(Duration::from_secs(3))
);
// TODO: although it should consume the stream, the stream is never empty.
// while available_connections.next().now_or_never().is_some() {}
let state = NetworkManagerState::new(&conn).await.unwrap_or_default();
_ = output
.send(Event::RequestResponse {
req: Request::Reload,
state,
success: true,
})
.await;
}
});
// Reload the connection streams whenever devices change.
futures::future::select(connections_changed, device_stream.next()).await;
}
}
pub fn subscription<I: Copy + Debug + std::hash::Hash + 'static>(
id: I,
conn: zbus::Connection,
) -> iced_futures::Subscription<Event> {
Subscription::run_with_id(
id,
stream::channel(50, |output| async move {
watch(conn, output).await;
futures::future::pending().await
}),
)
}
pub async fn watch(conn: zbus::Connection, mut output: futures::channel::mpsc::Sender<Event>) {
let mut state = State::Ready(conn);
loop {
state = start_listening(state, &mut output).await;
}
}
async fn start_listening(
state: State,
output: &mut futures::channel::mpsc::Sender<Event>,
) -> State {
match state {
State::Ready(conn) => {
let (tx, rx) = unbounded();
if output
.send(Event::Init {
conn: conn.clone(),
sender: tx,
state: NetworkManagerState::new(&conn).await.unwrap_or_default(),
})
.await
.is_ok()
{
State::Waiting(conn, rx)
} else {
State::Finished
}
}
State::Waiting(conn, mut rx) => {
let network_manager = match NetworkManager::new(&conn).await {
Ok(n) => n,
Err(_) => return State::Finished,
};
match rx.next().await {
Some(Request::Deactivate(uuid)) => {
let mut success = false;
for c in network_manager
.active_connections()
.await
.unwrap_or_default()
{
if c.uuid().await.unwrap_or_default().as_str() == uuid.as_ref()
&& 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;
}
}
_ = request_response(&conn, Request::Deactivate(uuid.clone()), success)
.then(|event| output.send(event))
.await;
}
Some(Request::Disconnect(ssid)) => {
let mut success = false;
for c in network_manager
.active_connections()
.await
.unwrap_or_default()
{
if c.id().await.unwrap_or_default().as_str() == ssid.as_ref()
&& 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;
}
}
_ = request_response(&conn, Request::Disconnect(ssid.clone()), success)
.then(|event| output.send(event))
.await;
}
Some(Request::SetAirplaneMode(airplane_mode)) => {
// wifi
let mut success = network_manager
.set_wireless_enabled(!airplane_mode)
.await
.is_ok();
// bluetooth
success = success
&& Command::new("rfkill")
.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(Event::RequestResponse {
req: Request::SetAirplaneMode(airplane_mode),
success,
state,
})
.await;
}
Some(Request::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 };
if state.wifi_enabled {
tokio::time::sleep(Duration::from_secs(3)).await;
}
_ = request_response(&conn, Request::SetWiFi(enabled), success)
.then(|event| output.send(event))
.await;
}
Some(Request::Authenticate {
ssid,
identity,
password,
hw_address,
}) => {
let nm_state = NetworkManagerState::new(&conn).await.unwrap_or_default();
let success = nm_state
.connect_wifi(
&conn,
&ssid,
identity.as_deref(),
Some(password.unsecure()),
hw_address,
)
.await
.is_ok();
_ = output
.send(Event::RequestResponse {
req: Request::Authenticate {
ssid: ssid.clone(),
identity: identity.clone(),
password: password.clone(),
hw_address,
},
success,
state: NetworkManagerState::new(&conn).await.unwrap_or_default(),
})
.await;
}
Some(Request::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(Request::Activate(device_path, connection_path)) => {
let mut success = true;
if let Err(why) = network_manager
.activate_connection_by_paths(&connection_path, &device_path)
.await
{
tracing::error!(
?why,
"failed to activate connection on {device_path:?} to {connection_path}"
);
success = false;
};
_ = request_response(
&conn,
Request::Activate(device_path, connection_path),
success,
)
.then(|event| output.send(event))
.await;
}
Some(Request::Reload) => {
_ = output
.send(request_response(&conn, Request::Reload, true).await)
.await;
}
Some(Request::Remove(uuid)) => {
let s = match NetworkManagerSettings::new(&conn).await {
Ok(s) => s,
Err(why) => {
tracing::error!(?why, "error getting network manager settings");
_ = output
.send(Event::RequestResponse {
req: Request::Forget(uuid.clone()),
success: false,
state: NetworkManagerState::new(&conn)
.await
.unwrap_or_default(),
})
.await;
return State::Waiting(conn, rx);
}
};
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 c_uuid = settings
.get("connection")
.and_then(|conn| conn.get("uuid"))
.and_then(|uuid| uuid.downcast_ref::<String>().ok())
.unwrap_or_default();
if uuid.as_ref() == c_uuid.as_str() {
_ = c.delete().await;
success = true;
}
}
_ = request_response(&conn, Request::Remove(uuid.clone()), success)
.then(|event| output.send(event))
.await;
}
Some(Request::Forget(ssid)) => {
let s = match NetworkManagerSettings::new(&conn).await {
Ok(s) => s,
Err(why) => {
tracing::error!(?why, "error getting network manager settings");
_ = output
.send(Event::RequestResponse {
req: Request::Forget(ssid.clone()),
success: false,
state: NetworkManagerState::new(&conn)
.await
.unwrap_or_default(),
})
.await;
return State::Waiting(conn, rx);
}
};
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
.clone()
.and_then(|w| w.ssid)
.and_then(|ssid| String::from_utf8(ssid).ok())
.is_some_and(|s| s == ssid.as_ref())
{
_ = c.delete().await;
success = true;
break;
}
}
_ = request_response(&conn, Request::Forget(ssid.clone()), success)
.then(|event| output.send(event))
.await;
}
None => {
return State::Finished;
}
};
State::Waiting(conn, rx)
}
State::Finished => futures::future::pending().await,
}
}
async fn request_response(conn: &zbus::Connection, req: Request, success: bool) -> Event {
Event::RequestResponse {
req,
success,
state: NetworkManagerState::new(conn).await.unwrap_or_default(),
}
}
async fn has_saved_wifi_credentials(conn: &zbus::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: &zbus::Connection,
ssid: SSID,
hw_address: HwAddress,
network_type: NetworkType,
output: &mut futures::channel::mpsc::Sender<Event>,
) {
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
};
_ = request_response(
conn,
Request::SelectAccessPoint(ssid, hw_address, network_type),
success,
)
.then(|event| output.send(event))
.await;
}
#[derive(Debug, Clone)]
pub enum Request {
/// Activate a device's connection profile
Activate(ObjectPath<'static>, ObjectPath<'static>),
/// Deactivate a connection
Deactivate(UUID),
/// Disconnect from an access point.
Disconnect(SSID),
/// Forget a known access point.
Forget(SSID),
/// Create a connection to a new access point.
Authenticate {
ssid: String,
identity: Option<String>,
password: SecureString,
hw_address: HwAddress,
},
/// Signal to reload the service.
Reload,
/// Remove a connection profile.
Remove(UUID),
/// Connect to a known access point.
SelectAccessPoint(SSID, HwAddress, NetworkType),
/// Toggle airplaine mode.
SetAirplaneMode(bool),
/// Toggle WiFi enablement.
SetWiFi(bool),
}
#[derive(Debug, Clone)]
pub enum Event {
RequestResponse {
req: Request,
state: NetworkManagerState,
success: bool,
},
Init {
conn: zbus::Connection,
sender: UnboundedSender<Request>,
state: NetworkManagerState,
},
Devices,
WiFiEnabled(bool),
WirelessAccessPoints,
ActiveConns,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct NetworkManagerState {
pub wireless_access_points: Vec<AccessPoint>,
pub active_conns: Vec<ActiveConnectionInfo>,
pub known_access_points: Vec<AccessPoint>,
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(),
wifi_enabled: false,
airplane_mode: false,
connectivity: NmConnectivityState::Unknown,
}
}
}
impl NetworkManagerState {
pub async fn new(conn: &zbus::Connection) -> Result<Self, Error> {
let network_manager = NetworkManager::new(conn).await?;
let mut this = Self::default();
this.refresh_wifi_state(conn, &network_manager).await?;
Ok(this)
}
pub async fn refresh_wifi_state(
&mut self,
conn: &zbus::Connection,
network_manager: &NetworkManager<'_>,
) -> Result<(), Error> {
let (airplane_mode, wireless_enabled, settings_res) = futures::join!(
Command::new("rfkill")
.arg("list")
.arg("bluetooth")
.output()
.then(|res| async move {
let Ok(output) = res else {
return false;
};
std::str::from_utf8(&output.stdout)
.ok()
.map_or(false, |stdout| stdout.contains("Soft blocked: yes"))
}),
network_manager
.wireless_enabled()
.then(|res| async move { res.unwrap_or_default() }),
NetworkManagerSettings::new(conn)
);
self.wifi_enabled = wireless_enabled;
self.airplane_mode = airplane_mode && !self.wifi_enabled;
let settings = settings_res?;
_ = settings.load_connections(&[]).await;
let (known_conns, active_conns, devices, connectivity) = futures::join!(
settings.list_connections(),
network_manager.active_connections(),
network_manager.devices(),
network_manager.connectivity(),
);
let devices = devices.unwrap_or_default();
let known_conns = known_conns.unwrap_or_default();
let (active_conns, wireless_access_points) = futures::join!(
// Retrieve active connections.
async move {
let mut active_conns = active_connections(active_conns.unwrap_or_default())
.await
.unwrap_or_default();
active_conns.sort_by(|a, b| {
let helper = |conn: &ActiveConnectionInfo| match conn {
ActiveConnectionInfo::Vpn { name, .. } => format!("0{name}"),
ActiveConnectionInfo::Wired { name, .. } => format!("1{name}"),
ActiveConnectionInfo::WiFi { name, .. } => format!("2{name}"),
};
helper(a).cmp(&helper(b))
});
active_conns
},
// Retrieve all access points, and sort by strength.
async move {
let mut wireless_access_points = futures::stream::FuturesUnordered::from_iter(
devices.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()
}
}),
)
.fold(
Vec::with_capacity(devices.len()),
|mut access_points, mut f| async move {
access_points.append(&mut f);
access_points
},
)
.await;
wireless_access_points.sort_by(|a, b| b.strength.cmp(&a.strength));
wireless_access_points
}
);
// Concurrently get
let known_ssid: Vec<Arc<str>> = futures::stream::FuturesOrdered::from_iter(
known_conns.into_iter().map(|c| async move {
let s = c.get_settings().await.ok()?;
let s = Settings::new(s);
let curr_ssid = s
.wifi
.clone()
.and_then(|w| w.ssid)
.and_then(|ssid| String::from_utf8(ssid).ok())?;
Some(Arc::from(curr_ssid))
}),
)
.filter_map(|c| async move { c })
.collect()
.await;
self.known_access_points = wireless_access_points
.iter()
.filter(|a| {
known_ssid.contains(&a.ssid)
&& !active_conns.iter().any(|ac| &ac.name() == a.ssid.as_ref())
})
.cloned()
.collect();
self.wireless_access_points = wireless_access_points;
self.active_conns = active_conns;
self.connectivity = connectivity?;
Ok(())
}
#[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();
}
async fn connect_wifi<'a>(
&self,
conn: &zbus::Connection,
ssid: &str,
identity: Option<&str>,
password: Option<&str>,
hw_address: HwAddress,
) -> Result<(), Error> {
let nm = NetworkManager::new(conn).await?;
for c in nm.active_connections().await.unwrap_or_default() {
if self
.wireless_access_points
.iter()
.any(|w| Ok(Some(w.ssid.as_ref())) == c.cached_id().as_ref().map(|v| v.as_deref()))
{
_ = nm.deactivate_connection(&c).await;
break;
}
}
let Some(ap) = self
.wireless_access_points
.iter()
.find(|ap| ap.ssid.as_ref() == ssid && ap.hw_address == hw_address)
else {
return Err(Error::AccessPointNotFound);
};
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(vec!["peap"].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 {
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);
if let Some(cur_ssid) = s
.wifi
.clone()
.and_then(|w| w.ssid)
.and_then(|ssid| String::from_utf8(ssid).ok())
{
if 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 {
return Err(Error::ConnectionActivate);
}
match tokio::time::timeout(Duration::from_secs(20), changes.next()).await {
Ok(Some(s)) => {
let state = s.get().await.unwrap_or_default().into();
if matches!(state, enums::ActiveConnectionState::Activated) {
return Ok(());
}
}
_ => {}
};
count -= 1;
if count <= 0 {
return Err(Error::ConnectionActivate);
}
}
}
Err(Error::NoWiFiDevices)
}
}

View file

@ -0,0 +1,63 @@
// Copyright 2024 System76 <info@system76.com>
// SPDX-License-Identifier: MPL-2.0
use super::Event;
use cosmic_dbus_networkmanager::nm::NetworkManager;
use futures::{SinkExt, StreamExt};
use iced_futures::{Subscription, stream};
use std::{fmt::Debug, hash::Hash};
use zbus::Connection;
#[derive(Debug, Clone)]
pub enum State {
Continue(Connection),
Error,
}
pub fn wireless_enabled_subscription<I: 'static + Hash + Copy + Send + Sync + Debug>(
id: I,
conn: Connection,
) -> iced_futures::Subscription<Event> {
Subscription::run_with_id(
id,
stream::channel(50, move |output| async move {
watch(conn, output).await;
futures::future::pending().await
}),
)
}
pub async fn watch(conn: zbus::Connection, mut output: futures::channel::mpsc::Sender<Event>) {
let mut state = State::Continue(conn);
loop {
state = start_listening(state, &mut output).await;
}
}
async fn start_listening(
state: State,
output: &mut futures::channel::mpsc::Sender<Event>,
) -> State {
let conn = match state {
State::Continue(conn) => conn,
State::Error => futures::future::pending().await,
};
let network_manager = match NetworkManager::new(&conn).await {
Ok(n) => n,
Err(why) => {
tracing::error!(why = why.to_string(), "Failed to connect to NetworkManager");
return State::Error;
}
};
let mut wireless_enabled_changed = network_manager.receive_wireless_enabled_changed().await;
while let Some(change) = wireless_enabled_changed.next().await {
if let Ok(enable) = change.get().await {
_ = output.send(Event::WiFiEnabled(enable)).await;
}
}
State::Continue(conn)
}