cosmic-applets/cosmic-applet-network/src/network_manager/mod.rs
2023-07-10 20:11:04 -04:00

651 lines
28 KiB
Rust

pub mod active_conns;
pub mod available_wifi;
pub mod current_networks;
pub mod devices;
pub mod wireless_enabled;
use std::{collections::HashMap, fmt::Debug, hash::Hash, ops::Deref, time::Duration};
use cosmic::iced::{self, subscription};
use cosmic_dbus_networkmanager::{
device::SpecificDevice,
interface::{
active_connection::ActiveConnectionProxy,
enums::DeviceType,
enums::{self, ActiveConnectionState},
},
nm::NetworkManager,
settings::{connection::Settings, NetworkManagerSettings},
};
use futures::{
channel::mpsc::{unbounded, UnboundedReceiver, UnboundedSender},
StreamExt,
};
use tokio::{process::Command, time::timeout};
use zbus::{
zvariant::{self, ObjectPath, Value},
Connection,
};
use self::{
available_wifi::{handle_wireless_device, AccessPoint},
current_networks::{active_connections, ActiveConnectionInfo},
};
pub fn network_manager_subscription<I: 'static + Hash + Copy + Send + Sync + Debug>(
id: I,
) -> iced::Subscription<(I, NetworkManagerEvent)> {
subscription::unfold(id, State::Ready, move |state| {
start_listening_loop(id, state)
})
}
#[derive(Debug)]
pub enum State {
Ready,
Waiting(Connection, UnboundedReceiver<NetworkManagerRequest>),
Finished,
}
pub async fn start_listening_loop<I: Copy + Debug>(
id: I,
mut state: State,
) -> ((I, NetworkManagerEvent), State) {
loop {
let (update, new_state) = start_listening(id, state).await;
state = new_state;
if let Some(update) = update {
return (update, state);
}
}
}
async fn start_listening<I: Copy + Debug>(
id: I,
state: State,
) -> (Option<(I, NetworkManagerEvent)>, State) {
match state {
State::Ready => {
let conn = match Connection::system().await {
Ok(c) => c,
Err(_) => return (None, State::Finished),
};
let (tx, rx) = unbounded();
let nm_state = NetworkManagerState::new(&conn).await.unwrap_or_default();
return (
Some((
id,
NetworkManagerEvent::Init {
conn: conn.clone(),
sender: tx,
state: nm_state,
},
)),
State::Waiting(conn, rx),
);
}
State::Waiting(conn, mut rx) => {
let network_manager = match NetworkManager::new(&conn).await {
Ok(n) => n,
Err(_) => return (None, State::Finished),
};
let (update, should_exit) = match rx.next().await {
Some(NetworkManagerRequest::Disconnect(ssid)) => {
let mut success = false;
for c in network_manager
.active_connections()
.await
.unwrap_or_default()
{
if c.id().await.unwrap_or_default() == ssid {
if let Ok(_) = network_manager.deactivate_connection(&c).await {
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(|p| ActiveConnectionState::from(p))
{
break;
}
}
}
})
.await;
}
break;
}
}
}
(
Some((
id,
NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::Disconnect(ssid.clone()),
success,
state: NetworkManagerState::new(&conn).await.unwrap_or_default(),
},
)),
false,
)
}
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")
.arg(if airplane_mode { "block" } else { "unblock" })
.arg("bluetooth")
.output()
.await
.is_ok();
let response = NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::SetAirplaneMode(airplane_mode),
success,
state: NetworkManagerState::new(&conn).await.unwrap_or_default(),
};
(Some((id, response)), false)
}
Some(NetworkManagerRequest::SetWiFi(enabled)) => {
let success = network_manager.set_wireless_enabled(enabled).await.is_ok();
let response = NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::SetWiFi(enabled),
success,
state: NetworkManagerState::new(&conn).await.unwrap_or_default(),
};
(Some((id, response)), false)
}
Some(NetworkManagerRequest::Password(ssid, password)) => {
let s = match NetworkManagerSettings::new(&conn).await {
Ok(s) => s,
Err(_) => return (None, State::Finished),
};
let mut status = (None, false);
// First try known connections
// TODO more convenient methods of managing settings
for c in s.list_connections().await.unwrap_or_default() {
let mut settings = match c.get_settings().await.ok() {
Some(s) => s,
None => continue,
};
let cur_ssid = settings
.get("802-11-wireless")
.and_then(|w| w.get("ssid"))
.cloned()
.and_then(|ssid| ssid.try_into().ok())
.and_then(|ssid| String::from_utf8(ssid).ok());
if cur_ssid.as_ref() != Some(&ssid) {
continue;
}
let mut secrets = match c.get_secrets("802-11-wireless-security").await {
Ok(s) => s,
_ => HashMap::from([(
"802-11-wireless-security".into(),
HashMap::from([
(
"psk".into(),
Value::Str(password.as_str().into()).to_owned(),
),
("key-mgmt".into(), Value::Str("wpa-psk".into()).to_owned()),
]),
)]),
};
if let Some(s) = secrets.get_mut("802-11-wireless-security") {
s.insert("psk".into(), Value::Str(password.clone().into()).to_owned());
drop(s);
settings.extend(secrets.into_iter());
let settings: HashMap<_, _> = settings
.iter()
.map(|(k, v)| {
let map = (
k.as_str(),
v.iter()
.map(|(k, v)| (k.as_str(), v.into()))
.collect::<HashMap<_, _>>(),
);
map
})
.collect();
let updated = c.update(settings).await;
if updated.is_ok() {
let success = if let Ok(path) = network_manager
.deref()
.activate_connection(
c.deref().path(),
&ObjectPath::try_from("/").unwrap(),
&ObjectPath::try_from("/").unwrap(),
)
.await
{
// let active_conn = ActiveConnection::from(ActiveConnectionProxy::from(conn.1));
let dummy = ActiveConnectionProxy::new(&conn).await.unwrap();
let active = ActiveConnectionProxy::builder(&conn)
.path(path)
.unwrap()
.destination(dummy.destination())
.unwrap()
.interface(dummy.interface())
.unwrap()
.build()
.await
.unwrap();
let state = enums::ActiveConnectionState::from(
active.state().await.unwrap_or_default(),
);
let s = if let enums::ActiveConnectionState::Activating = state
{
if let Ok(Some(s)) = timeout(
Duration::from_secs(10),
active.receive_state_changed().await.next(),
)
.await
{
s.get().await.unwrap_or_default().into()
} else {
state
}
} else {
state
};
matches!(s, enums::ActiveConnectionState::Activated)
} else {
false
};
status = (
Some((
id,
NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::Password(
ssid.clone(),
password.clone(),
),
success,
state: NetworkManagerState::new(&conn)
.await
.unwrap_or_default(),
},
)),
false,
);
}
break;
}
}
// create a connection
if status.0.is_none() {
for device in network_manager.devices().await.ok().unwrap_or_default() {
if matches!(
device.device_type().await.unwrap_or(DeviceType::Other),
DeviceType::Wifi
) {
let conn_settings: HashMap<&str, HashMap<&str, zvariant::Value>> =
HashMap::from([
(
"802-11-wireless".into(),
HashMap::from([(
"ssid".into(),
Value::Array(ssid.as_bytes().into()),
)]),
),
(
"connection".into(),
HashMap::from([
("id".into(), Value::Str(ssid.as_str().into())),
(
"type".into(),
Value::Str("802-11-wireless".into()),
),
]),
),
(
"802-11-wireless-security".into(),
HashMap::from([
(
"psk".into(),
Value::Str(password.as_str().into()),
),
("key-mgmt".into(), Value::Str("wpa-psk".into())),
]),
),
]);
let success = if let Ok((_, path)) = network_manager
.add_and_activate_connection(
conn_settings,
device.path(),
&ObjectPath::try_from("/").unwrap(),
)
.await
{
let dummy = ActiveConnectionProxy::new(&conn).await.unwrap();
let active = ActiveConnectionProxy::builder(&conn)
.path(path)
.unwrap()
.destination(dummy.destination())
.unwrap()
.interface(dummy.interface())
.unwrap()
.build()
.await
.unwrap();
let state = enums::ActiveConnectionState::from(
active.state().await.unwrap_or_default(),
);
let s = if let enums::ActiveConnectionState::Activating = state
{
if let Ok(Some(s)) = timeout(
Duration::from_secs(10),
active.receive_state_changed().await.next(),
)
.await
{
s.get().await.unwrap_or_default().into()
} else {
state
}
} else {
state
};
matches!(s, enums::ActiveConnectionState::Activated)
} else {
false
};
status = (
Some((
id,
NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::Password(
ssid.clone(),
password.clone(),
),
success,
state: NetworkManagerState::new(&conn)
.await
.unwrap_or_default(),
},
)),
false,
);
break;
}
}
}
if status.0.is_none() {
status = (
Some((
id,
NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::Password(ssid, password),
success: false,
state: NetworkManagerState::new(&conn)
.await
.unwrap_or_default(),
},
)),
false,
);
}
status
}
Some(NetworkManagerRequest::SelectAccessPoint(ssid)) => {
let s = match NetworkManagerSettings::new(&conn).await {
Ok(s) => s,
Err(_) => return (None, State::Finished),
};
// find known connection with matching ssid and activate
let mut status = (None, false);
for c in s.list_connections().await.unwrap_or_default() {
let settings = match c.get_settings().await.ok() {
Some(s) => s,
None => continue,
};
let cur_ssid = settings
.get("802-11-wireless")
.and_then(|w| w.get("ssid"))
.cloned()
.and_then(|ssid| ssid.try_into().ok())
.and_then(|ssid| String::from_utf8(ssid).ok());
if cur_ssid.as_ref() != Some(&ssid) {
continue;
}
let success = if let Ok(path) = network_manager
.deref()
.activate_connection(
c.deref().path(),
&ObjectPath::try_from("/").unwrap(),
&ObjectPath::try_from("/").unwrap(),
)
.await
{
let dummy = ActiveConnectionProxy::new(&conn).await.unwrap();
let active = ActiveConnectionProxy::builder(&conn)
.path(path)
.unwrap()
.destination(dummy.destination())
.unwrap()
.interface(dummy.interface())
.unwrap()
.build()
.await
.unwrap();
let mut state = enums::ActiveConnectionState::from(
active.state().await.unwrap_or_default(),
);
while let enums::ActiveConnectionState::Activating = state {
if let Ok(Some(s)) = timeout(
Duration::from_secs(20),
active.receive_state_changed().await.next(),
)
.await
{
state = s.get().await.unwrap_or_default().into();
} else {
break;
}
}
matches!(state, enums::ActiveConnectionState::Activated)
} else {
false
};
status = (
Some((
id,
NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::SelectAccessPoint(ssid.clone()),
success,
state: NetworkManagerState::new(&conn)
.await
.unwrap_or_default(),
},
)),
false,
);
break;
}
if status.0.is_none() {
status = (
Some((
id,
NetworkManagerEvent::RequestResponse {
req: NetworkManagerRequest::SelectAccessPoint(ssid.clone()),
success: false,
state: NetworkManagerState::new(&conn)
.await
.unwrap_or_default(),
},
)),
false,
);
}
status
}
None => (None, true),
};
(
update,
if should_exit {
State::Finished
} else {
State::Waiting(conn, rx)
},
)
}
State::Finished => iced::futures::future::pending().await,
}
}
#[derive(Debug, Clone)]
pub enum NetworkManagerRequest {
SetAirplaneMode(bool),
SetWiFi(bool),
SelectAccessPoint(String),
Disconnect(String),
Password(String, String),
}
#[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, Default)]
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,
}
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")
.arg("list")
.arg("bluetooth")
.output()
.await?;
let airplane_mode = std::str::from_utf8(&airplaine_mode.stdout).unwrap_or_default();
let bluetooth_disabled = airplane_mode.contains("Soft blocked: yes");
if !network_manager.wireless_enabled().await.unwrap_or_default() {
_self.airplane_mode = bluetooth_disabled;
return Ok(_self);
} else {
_self.wifi_enabled = true;
};
let s = NetworkManagerSettings::new(&conn).await?;
_ = s.load_connections(&[]).await;
let known_conns = s.list_connections().await.unwrap_or_default();
let mut active_conns = active_connections(
network_manager
.active_connections()
.await
.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))
});
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)
.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 s = c.get_settings().await.unwrap();
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)
})
.cloned()
.collect();
wireless_access_points.sort_by(|a, b| b.strength.cmp(&a.strength));
_self.wireless_access_points = wireless_access_points;
_self.active_conns = active_conns;
_self.known_access_points = known_access_points;
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();
}
}