simplify configuration

README.md

@@ -268,17 +268,19 @@ If the device still can not be entered, make sure you have UDP port `4242` (or t
 <details>
     <summary>Command Line Interface</summary>
 
-The cli interface can be accessed by passing `cli` as a commandline argument.
+The cli interface can be enabled using `--frontend cli` as commandline arguments.
-Use
+Type `help` to list the available commands.
-```sh
-lan-mouse cli help
-```
- to list the available commands and
-```sh
-lan-mouse cli <cmd> help
-```
-for information on how to use a specific command.
 
+E.g.:
+```sh
+$ cargo run --release -- --frontend cli
+(...)
+> connect <host> left|right|top|bottom
+(...)
+> list
+(...)
+> activate 0
+```
 </details>
 
 <details>
@@ -324,6 +326,9 @@ release_bind = [ "KeyA", "KeyS", "KeyD", "KeyF" ]
 
 # optional port (defaults to 4242)
 port = 4242
+# # optional frontend -> defaults to gtk if available
+# # possible values are "cli" and "gtk"
+# frontend = "gtk"
 
 # list of authorized tls certificate fingerprints that
 # are accepted for incoming traffic
@@ -331,9 +336,7 @@ port = 4242
 "bc:05:ab:7a:a4:de:88:8c:2f:92:ac:bc:b8:49:b8:24:0d:44:b3:e6:a4:ef:d7:0b:6c:69:6d:77:53:0b:14:80" = "iridium"
 
 # define a client on the right side with host name "iridium"
-[[clients]]
+[right]
-# position (left | right | top | bottom)
-position = "right"
 # hostname
 hostname = "iridium"
 # activate this client immediately when lan-mouse is started
@@ -342,8 +345,7 @@ activate_on_startup = true
 ips = ["192.168.178.156"]
 
 # define a client on the left side with IP address 192.168.178.189
-[[clients]]
+[left]
-position = "left"
 # The hostname is optional: When no hostname is specified,
 # at least one ip address needs to be specified.
 hostname = "thorium"

config.toml

@@ -1,10 +1,14 @@
 # example configuration
 
-# configure release bind
+# capture_backend = "LayerShell"
-release_bind = [ "KeyA", "KeyS", "KeyD", "KeyF" ]
+
+# release bind
+release_bind = ["KeyA", "KeyS", "KeyD", "KeyF"]
 
 # optional port (defaults to 4242)
 port = 4242
+# optional frontend -> defaults to gtk if available
+# frontend = "gtk"
 
 # list of authorized tls certificate fingerprints that
 # are accepted for incoming traffic
@@ -12,19 +16,14 @@ port = 4242
 "bc:05:ab:7a:a4:de:88:8c:2f:92:ac:bc:b8:49:b8:24:0d:44:b3:e6:a4:ef:d7:0b:6c:69:6d:77:53:0b:14:80" = "iridium"
 
 # define a client on the right side with host name "iridium"
-[[clients]]
+[right]
-# position (left | right | top | bottom)
-position = "right"
 # hostname
 hostname = "iridium"
-# activate this client immediately when lan-mouse is started
-activate_on_startup = true
 # optional list of (known) ip addresses
 ips = ["192.168.178.156"]
 
 # define a client on the left side with IP address 192.168.178.189
-[[clients]]
+[left]
-position = "left"
 # The hostname is optional: When no hostname is specified,
 # at least one ip address needs to be specified.
 hostname = "thorium"

input-capture/src/layer_shell.rs

@@ -813,7 +813,7 @@ impl Dispatch<WlPointer, ()> for State {
                     })),
                 ));
             }
-            wl_pointer::Event::Frame => {
+            wl_pointer::Event::Frame {} => {
                 // TODO properly handle frame events
                 // we simply insert a frame event on the client side
                 // after each event for now

input-capture/src/macos.rs

@@ -390,9 +390,9 @@ fn create_event_tap<'a>(
 
             if let Some(pos) = pos {
                 res_events.iter().for_each(|e| {
-                    // error must be ignored, since the event channel
+                    event_tx
-                    // may already be closed when the InputCapture instance is dropped.
+                        .blocking_send((pos, *e))
-                    let _ = event_tx.blocking_send((pos, *e));
+                        .expect("Failed to send event");
                 });
                 // Returning None should stop the event from being processed
                 // but core fundation still returns the event
@@ -426,8 +426,8 @@ fn event_tap_thread(
     client_state: Arc<Mutex<InputCaptureState>>,
     event_tx: Sender<(Position, CaptureEvent)>,
     notify_tx: Sender<ProducerEvent>,
-    ready: std::sync::mpsc::Sender<Result<CFRunLoop, MacosCaptureCreationError>>,
+    ready: std::sync::mpsc::Sender<Result<(), MacosCaptureCreationError>>,
-    exit: oneshot::Sender<()>,
+    exit: oneshot::Sender<Result<(), &'static str>>,
 ) {
     let _tap = match create_event_tap(client_state, notify_tx, event_tx) {
         Err(e) => {
@@ -435,22 +435,18 @@ fn event_tap_thread(
             return;
         }
         Ok(tap) => {
-            let run_loop = CFRunLoop::get_current();
+            ready.send(Ok(())).expect("channel closed");
-            ready.send(Ok(run_loop)).expect("channel closed");
             tap
         }
     };
-    log::debug!("running CFRunLoop...");
     CFRunLoop::run_current();
-    log::debug!("event tap thread exiting!...");
 
-    let _ = exit.send(());
+    let _ = exit.send(Err("tap thread exited"));
 }
 
 pub struct MacOSInputCapture {
     event_rx: Receiver<(Position, CaptureEvent)>,
     notify_tx: Sender<ProducerEvent>,
-    run_loop: CFRunLoop,
 }
 
 impl MacOSInputCapture {
@@ -479,44 +475,36 @@ impl MacOSInputCapture {
         });
 
         // wait for event tap creation result
-        let run_loop = ready_rx.recv().expect("channel closed")?;
+        ready_rx.recv().expect("channel closed")?;
 
         let _tap_task: tokio::task::JoinHandle<()> = tokio::task::spawn_local(async move {
             loop {
                 tokio::select! {
                     producer_event = notify_rx.recv() => {
-                        let Some(producer_event) = producer_event else {
+                        let producer_event = producer_event.expect("channel closed");
-                            break;
-                        };
                         let mut state = state.lock().await;
                         state.handle_producer_event(producer_event).await.unwrap_or_else(|e| {
                             log::error!("Failed to handle producer event: {e}");
                         })
                     }
 
-                    _ = &mut tap_exit_rx => {
+                    res = &mut tap_exit_rx => {
-                        break;
+                        if let Err(e) = res.expect("channel closed") {
+                            log::error!("Tap thread failed: {:?}", e);
+                            break;
+                        }
                     }
                 }
             }
-            // show cursor
-            let _ = CGDisplay::show_cursor(&CGDisplay::main());
         });
 
         Ok(Self {
             event_rx,
             notify_tx,
-            run_loop,
         })
     }
 }
 
-impl Drop for MacOSInputCapture {
-    fn drop(&mut self) {
-        self.run_loop.stop();
-    }
-}
-
 #[async_trait]
 impl Capture for MacOSInputCapture {
     async fn create(&mut self, pos: Position) -> Result<(), CaptureError> {

input-capture/src/windows/event_thread.rs

@@ -22,9 +22,9 @@ use windows::Win32::UI::WindowsAndMessaging::{
     RegisterClassW, SetWindowsHookExW, TranslateMessage, EDD_GET_DEVICE_INTERFACE_NAME, HHOOK,
     HMENU, HOOKPROC, KBDLLHOOKSTRUCT, LLKHF_EXTENDED, MSG, MSLLHOOKSTRUCT, WH_KEYBOARD_LL,
     WH_MOUSE_LL, WINDOW_STYLE, WM_DISPLAYCHANGE, WM_KEYDOWN, WM_KEYUP, WM_LBUTTONDOWN,
-    WM_LBUTTONUP, WM_MBUTTONDOWN, WM_MBUTTONUP, WM_MOUSEHWHEEL, WM_MOUSEMOVE, WM_MOUSEWHEEL,
+    WM_LBUTTONUP, WM_MBUTTONDOWN, WM_MBUTTONUP, WM_MOUSEMOVE, WM_MOUSEWHEEL, WM_RBUTTONDOWN,
-    WM_RBUTTONDOWN, WM_RBUTTONUP, WM_SYSKEYDOWN, WM_SYSKEYUP, WM_USER, WM_XBUTTONDOWN,
+    WM_RBUTTONUP, WM_SYSKEYDOWN, WM_SYSKEYUP, WM_USER, WM_XBUTTONDOWN, WM_XBUTTONUP, WNDCLASSW,
-    WM_XBUTTONUP, WNDCLASSW, WNDPROC,
+    WNDPROC,
 };
 
 use input_event::{
@@ -537,10 +537,6 @@ fn to_mouse_event(wparam: WPARAM, lparam: LPARAM) -> Option<PointerEvent> {
                 state: if p == WM_XBUTTONDOWN as usize { 1 } else { 0 },
             })
         }
-        WPARAM(p) if p == WM_MOUSEHWHEEL as usize => Some(PointerEvent::AxisDiscrete120 {
-            axis: 1, // Horizontal
-            value: mouse_low_level.mouseData as i32 >> 16,
-        }),
         w => {
             log::warn!("unknown mouse event: {w:?}");
             None

input-emulation/src/x11.rs

@@ -23,7 +23,7 @@ impl X11Emulation {
     pub(crate) fn new() -> Result<Self, X11EmulationCreationError> {
         let display = unsafe {
             match xlib::XOpenDisplay(ptr::null()) {
-                d if std::ptr::eq(d, ptr::null_mut::<xlib::Display>()) => {
+                d if d == ptr::null::<xlib::Display>() as *mut xlib::Display => {
                     Err(X11EmulationCreationError::OpenDisplay)
                 }
                 display => Ok(display),

input-emulation/src/xdg_desktop_portal.rs

@@ -143,6 +143,7 @@ impl Emulation for DesktopPortalEmulation<'_> {
 
 impl AsyncDrop for DesktopPortalEmulation<'_> {
     #[doc = r" Perform the async cleanup."]
+    #[must_use]
     #[allow(clippy::type_complexity, clippy::type_repetition_in_bounds)]
     fn async_drop<'async_trait>(
         self,

lan-mouse-gtk/resources/authorization_window.ui

@@ -1,102 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<interface>
-  <requires lib="gtk" version="4.0"/>
-  <requires lib="libadwaita" version="1.0"/>
-  <template class="AuthorizationWindow" parent="AdwWindow">
-    <property name="modal">True</property>
-    <property name="width-request">180</property>
-    <property name="default-width">180</property>
-    <property name="height-request">180</property>
-    <property name="default-height">180</property>
-    <property name="title" translatable="yes">Unauthorized Device</property>
-    <property name="content">
-      <object class="GtkBox">
-        <property name="orientation">vertical</property>
-        <property name="vexpand">True</property>
-        <child type="top">
-          <object class="AdwHeaderBar">
-            <style>
-              <class name="flat"/>
-            </style>
-          </object>
-        </child>
-        <child>
-          <object class="GtkBox">
-            <property name="orientation">vertical</property>
-            <property name="spacing">30</property>
-            <property name="margin-start">30</property>
-            <property name="margin-end">30</property>
-            <property name="margin-top">30</property>
-            <property name="margin-bottom">30</property>
-            <child>
-              <object class="GtkLabel">
-                <property name="label">An unauthorized Device is trying to connect. Do you want to authorize this Device?</property>
-                <property name="width-request">100</property>
-                <property name="wrap">word-wrap</property>
-              </object>
-            </child>
-            <child>
-              <object class="AdwPreferencesGroup">
-                <property name="title">sha256 fingerprint</property>
-                <child>
-                  <object class="AdwActionRow">
-                    <property name="child">
-                      <object class="GtkLabel" id="fingerprint">
-                        <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
-                        <property name="vexpand">True</property>
-                        <property name="hexpand">False</property>
-                        <property name="wrap">True</property>
-                        <property name="wrap-mode">word-char</property>
-                        <property name="justify">center</property>
-                        <property name="xalign">0.5</property>
-                        <property name="margin-top">10</property>
-                        <property name="margin-bottom">10</property>
-                        <property name="margin-start">10</property>
-                        <property name="margin-end">10</property>
-                        <property name="width-chars">64</property>
-                      </object>
-                    </property>
-                  </object>
-                </child>
-              </object>
-            </child>
-          </object>
-        </child>
-        <child>
-          <object class="GtkBox">
-            <property name="margin-start">30</property>
-            <property name="margin-end">30</property>
-            <property name="margin-top">30</property>
-            <property name="margin-bottom">30</property>
-            <property name="orientation">horizontal</property>
-            <property name="spacing">30</property>
-            <property name="hexpand">True</property>
-            <property name="vexpand">True</property>
-            <property name="valign">end</property>
-            <child>
-              <object class="GtkButton" id="cancel_button">
-                <signal name="clicked" handler="handle_cancel" swapped="true"/>
-                <property name="label" translatable="yes">Cancel</property>
-                <property name="can-shrink">True</property>
-                <property name="height-request">50</property>
-                <property name="hexpand">True</property>
-              </object>
-            </child>
-            <child>
-              <object class="GtkButton" id="confirm_button">
-                <signal name="clicked" handler="handle_confirm" swapped="true"/>
-                <property name="label" translatable="yes">Authorize</property>
-                <property name="can-shrink">True</property>
-                <property name="height-request">50</property>
-                <property name="hexpand">True</property>
-                <style>
-                  <class name="destructive-action"/>
-                </style>
-              </object>
-            </child>
-          </object>
-        </child>
-      </object>
-    </property>
-  </template>
-</interface>

lan-mouse-gtk/resources/resources.gresource.xml

@@ -2,7 +2,6 @@
 <gresources>
   <gresource prefix="/de/feschber/LanMouse">
     <file compressed="true" preprocess="xml-stripblanks">window.ui</file>
-    <file compressed="true" preprocess="xml-stripblanks">authorization_window.ui</file>
     <file compressed="true" preprocess="xml-stripblanks">fingerprint_window.ui</file>
     <file compressed="true" preprocess="xml-stripblanks">client_row.ui</file>
     <file compressed="true" preprocess="xml-stripblanks">key_row.ui</file>

lan-mouse-gtk/src/authorization_window.rs

@@ -1,19 +0,0 @@
-mod imp;
-
-use glib::Object;
-use gtk::{gio, glib, subclass::prelude::ObjectSubclassIsExt};
-
-glib::wrapper! {
-    pub struct AuthorizationWindow(ObjectSubclass<imp::AuthorizationWindow>)
-    @extends adw::Window, gtk::Window, gtk::Widget,
-    @implements gio::ActionGroup, gio::ActionMap, gtk::Accessible, gtk::Buildable,
-                gtk::ConstraintTarget, gtk::Native, gtk::Root, gtk::ShortcutManager;
-}
-
-impl AuthorizationWindow {
-    pub(crate) fn new(fingerprint: &str) -> Self {
-        let window: Self = Object::builder().build();
-        window.imp().set_fingerprint(fingerprint);
-        window
-    }
-}

lan-mouse-gtk/src/authorization_window/imp.rs

@@ -1,75 +0,0 @@
-use std::sync::OnceLock;
-
-use adw::prelude::*;
-use adw::subclass::prelude::*;
-use glib::subclass::InitializingObject;
-use gtk::{
-    glib::{self, subclass::Signal},
-    template_callbacks, Button, CompositeTemplate, Label,
-};
-
-#[derive(CompositeTemplate, Default)]
-#[template(resource = "/de/feschber/LanMouse/authorization_window.ui")]
-pub struct AuthorizationWindow {
-    #[template_child]
-    pub fingerprint: TemplateChild<Label>,
-    #[template_child]
-    pub cancel_button: TemplateChild<Button>,
-    #[template_child]
-    pub confirm_button: TemplateChild<Button>,
-}
-
-#[glib::object_subclass]
-impl ObjectSubclass for AuthorizationWindow {
-    const NAME: &'static str = "AuthorizationWindow";
-    const ABSTRACT: bool = false;
-
-    type Type = super::AuthorizationWindow;
-    type ParentType = adw::Window;
-
-    fn class_init(klass: &mut Self::Class) {
-        klass.bind_template();
-        klass.bind_template_callbacks();
-    }
-
-    fn instance_init(obj: &InitializingObject<Self>) {
-        obj.init_template();
-    }
-}
-
-#[template_callbacks]
-impl AuthorizationWindow {
-    #[template_callback]
-    fn handle_confirm(&self, _button: Button) {
-        let fp = self.fingerprint.text().as_str().trim().to_owned();
-        self.obj().emit_by_name("confirm-clicked", &[&fp])
-    }
-
-    #[template_callback]
-    fn handle_cancel(&self, _: Button) {
-        self.obj().emit_by_name("cancel-clicked", &[])
-    }
-
-    pub(super) fn set_fingerprint(&self, fingerprint: &str) {
-        self.fingerprint.set_text(fingerprint);
-    }
-}
-
-impl ObjectImpl for AuthorizationWindow {
-    fn signals() -> &'static [Signal] {
-        static SIGNALS: OnceLock<Vec<Signal>> = OnceLock::new();
-        SIGNALS.get_or_init(|| {
-            vec![
-                Signal::builder("confirm-clicked")
-                    .param_types([String::static_type()])
-                    .build(),
-                Signal::builder("cancel-clicked").build(),
-            ]
-        })
-    }
-}
-
-impl WidgetImpl for AuthorizationWindow {}
-impl WindowImpl for AuthorizationWindow {}
-impl ApplicationWindowImpl for AuthorizationWindow {}
-impl AdwWindowImpl for AuthorizationWindow {}

lan-mouse-gtk/src/fingerprint_window.rs

@@ -1,7 +1,7 @@
 mod imp;
 
 use glib::Object;
-use gtk::{gio, glib, prelude::ObjectExt, subclass::prelude::ObjectSubclassIsExt};
+use gtk::{gio, glib};
 
 glib::wrapper! {
     pub struct FingerprintWindow(ObjectSubclass<imp::FingerprintWindow>)
@@ -11,12 +11,8 @@ glib::wrapper! {
 }
 
 impl FingerprintWindow {
-    pub(crate) fn new(fingerprint: Option<String>) -> Self {
+    pub(crate) fn new() -> Self {
         let window: Self = Object::builder().build();
-        if let Some(fp) = fingerprint {
-            window.imp().fingerprint.set_property("text", fp);
-            window.imp().fingerprint.set_property("editable", false);
-        }
         window
     }
 }

lan-mouse-gtk/src/key_row.rs

@@ -8,7 +8,7 @@ use super::KeyObject;
 
 glib::wrapper! {
     pub struct KeyRow(ObjectSubclass<imp::KeyRow>)
-    @extends gtk::ListBoxRow, gtk::Widget, adw::PreferencesRow, adw::ActionRow,
+    @extends gtk::ListBoxRow, gtk::Widget, adw::PreferencesRow, adw::ExpanderRow,
     @implements gtk::Accessible, gtk::Actionable, gtk::Buildable, gtk::ConstraintTarget;
 }
 

lan-mouse-gtk/src/lib.rs

@@ -1,4 +1,3 @@
-mod authorization_window;
 mod client_object;
 mod client_row;
 mod fingerprint_window;
@@ -147,21 +146,8 @@ fn build_ui(app: &Application) {
                     FrontendEvent::EmulationStatus(s) => window.set_emulation(s.into()),
                     FrontendEvent::AuthorizedUpdated(keys) => window.set_authorized_keys(keys),
                     FrontendEvent::PublicKeyFingerprint(fp) => window.set_pk_fp(&fp),
-                    FrontendEvent::ConnectionAttempt { fingerprint } => {
+                    FrontendEvent::IncomingConnected(_fingerprint, addr, pos) => {
-                        window.request_authorization(&fingerprint);
+                        window.show_toast(format!("device connected: {addr} ({pos})").as_str());
-                    }
-                    FrontendEvent::DeviceConnected {
-                        fingerprint: _,
-                        addr,
-                    } => {
-                        window.show_toast(format!("device connected: {addr}").as_str());
-                    }
-                    FrontendEvent::DeviceEntered {
-                        fingerprint: _,
-                        addr,
-                        pos,
-                    } => {
-                        window.show_toast(format!("device entered: {addr} ({pos})").as_str());
                     }
                     FrontendEvent::IncomingDisconnected(addr) => {
                         window.show_toast(format!("{addr} disconnected").as_str());

lan-mouse-gtk/src/window.rs

@@ -16,10 +16,7 @@ use lan_mouse_ipc::{
     DEFAULT_PORT,
 };
 
-use crate::{
+use crate::{fingerprint_window::FingerprintWindow, key_object::KeyObject, key_row::KeyRow};
-    authorization_window::AuthorizationWindow, fingerprint_window::FingerprintWindow,
-    key_object::KeyObject, key_row::KeyRow,
-};
 
 use super::{client_object::ClientObject, client_row::ClientRow};
 
@@ -397,8 +394,8 @@ impl Window {
         self.request(FrontendRequest::Create);
     }
 
-    fn open_fingerprint_dialog(&self, fp: Option<String>) {
+    fn open_fingerprint_dialog(&self) {
-        let window = FingerprintWindow::new(fp);
+        let window = FingerprintWindow::new();
         window.set_transient_for(Some(self));
         window.connect_closure(
             "confirm-clicked",
@@ -472,29 +469,4 @@ impl Window {
     pub(super) fn set_pk_fp(&self, fingerprint: &str) {
         self.imp().fingerprint_row.set_subtitle(fingerprint);
     }
-
-    pub(super) fn request_authorization(&self, fingerprint: &str) {
-        let window = AuthorizationWindow::new(fingerprint);
-        window.set_transient_for(Some(self));
-        window.connect_closure(
-            "confirm-clicked",
-            false,
-            closure_local!(
-                #[strong(rename_to = parent)]
-                self,
-                move |w: AuthorizationWindow, fp: String| {
-                    w.close();
-                    parent.open_fingerprint_dialog(Some(fp));
-                }
-            ),
-        );
-        window.connect_closure(
-            "cancel-clicked",
-            false,
-            closure_local!(move |w: AuthorizationWindow| {
-                w.close();
-            }),
-        );
-        window.present();
-    }
 }

lan-mouse-gtk/src/window/imp.rs

@@ -149,7 +149,7 @@ impl Window {
 
     #[template_callback]
     fn handle_add_cert_fingerprint(&self, _button: &Button) {
-        self.obj().open_fingerprint_dialog(None);
+        self.obj().open_fingerprint_dialog();
     }
 
     pub fn set_port(&self, port: u16) {

lan-mouse-ipc/src/lib.rs

@@ -59,7 +59,6 @@ pub enum IpcError {
 pub const DEFAULT_PORT: u16 = 4242;
 
 #[derive(Debug, Default, Eq, Hash, PartialEq, Clone, Copy, Serialize, Deserialize)]
-#[serde(rename_all = "lowercase")]
 pub enum Position {
     #[default]
     Left,
@@ -202,21 +201,10 @@ pub enum FrontendEvent {
     AuthorizedUpdated(HashMap<String, String>),
     /// public key fingerprint of this device
     PublicKeyFingerprint(String),
-    /// new device connected
+    /// incoming connected
-    DeviceConnected {
+    IncomingConnected(String, SocketAddr, Position),
-        addr: SocketAddr,
-        fingerprint: String,
-    },
-    /// incoming device entered the screen
-    DeviceEntered {
-        fingerprint: String,
-        addr: SocketAddr,
-        pos: Position,
-    },
     /// incoming disconnected
     IncomingDisconnected(SocketAddr),
-    /// failed connection attempt (approval for fingerprint required)
-    ConnectionAttempt { fingerprint: String },
 }
 
 #[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]

src/config.rs

@@ -51,7 +51,7 @@ struct ConfigToml {
     port: Option<u16>,
     release_bind: Option<Vec<scancode::Linux>>,
     cert_path: Option<PathBuf>,
-    clients: Option<Vec<TomlClient>>,
+    clients: Vec<TomlClient>,
     authorized_fingerprints: Option<HashMap<String, String>>,
 }
 
@@ -61,7 +61,7 @@ struct TomlClient {
     host_name: Option<String>,
     ips: Option<Vec<IpAddr>>,
     port: Option<u16>,
-    position: Option<Position>,
+    pos: Option<Position>,
     activate_on_startup: Option<bool>,
     enter_hook: Option<String>,
 }
@@ -262,7 +262,7 @@ impl From<TomlClient> for ConfigClient {
         let hostname = toml.hostname;
         let ips = HashSet::from_iter(toml.ips.into_iter().flatten());
         let port = toml.port.unwrap_or(DEFAULT_PORT);
-        let pos = toml.position.unwrap_or_default();
+        let pos = toml.pos.unwrap_or_default();
         Self {
             ips,
             hostname,
@@ -370,7 +370,6 @@ impl Config {
         self.config_toml
             .as_ref()
             .map(|c| c.clients.clone())
-            .unwrap_or_default()
             .into_iter()
             .flatten()
             .map(From::<TomlClient>::from)

src/emulation.rs

@@ -1,4 +1,4 @@
-use crate::listen::{LanMouseListener, ListenEvent, ListenerCreationError};
+use crate::listen::{LanMouseListener, ListenerCreationError};
 use futures::StreamExt;
 use input_emulation::{EmulationHandle, InputEmulation, InputEmulationError};
 use input_event::Event;
@@ -24,15 +24,8 @@ pub(crate) struct Emulation {
 }
 
 pub(crate) enum EmulationEvent {
-    Connected {
-        addr: SocketAddr,
-        fingerprint: String,
-    },
-    ConnectionAttempt {
-        fingerprint: String,
-    },
     /// new connection
-    Entered {
+    Connected {
         /// address of the connection
         addr: SocketAddr,
         /// position of the connection
@@ -41,9 +34,7 @@ pub(crate) enum EmulationEvent {
         fingerprint: String,
     },
     /// connection closed
-    Disconnected {
+    Disconnected { addr: SocketAddr },
-        addr: SocketAddr,
-    },
     /// the port of the listener has changed
     PortChanged(Result<u16, ListenerCreationError>),
     /// emulation was disabled
@@ -130,36 +121,31 @@ impl ListenTask {
         let mut last_response = HashMap::new();
         loop {
             select! {
-                e = self.listener.next() => {match e {
+                e = self.listener.next() =>  {
-                    Some(ListenEvent::Msg { event, addr }) => {
+                    let (event, addr) = match e {
-                        log::trace!("{event} <-<-<-<-<- {addr}");
+                        Some(e) => e,
-                        last_response.insert(addr, Instant::now());
+                        None => break,
-                        match event {
+                    };
-                            ProtoEvent::Enter(pos) => {
+                    log::trace!("{event} <-<-<-<-<- {addr}");
-                                if let Some(fingerprint) = self.listener.get_certificate_fingerprint(addr).await {
+                    last_response.insert(addr, Instant::now());
-                                    log::info!("releasing capture: {addr} entered this device");
+                    match event {
-                                    self.event_tx.send(EmulationEvent::ReleaseNotify).expect("channel closed");
+                        ProtoEvent::Enter(pos) => {
-                                    self.listener.reply(addr, ProtoEvent::Ack(0)).await;
+                            if let Some(fingerprint) = self.listener.get_certificate_fingerprint(addr).await {
-                                    self.event_tx.send(EmulationEvent::Entered{addr, pos: to_ipc_pos(pos), fingerprint}).expect("channel closed");
+                                log::info!("releasing capture: {addr} entered this device");
-                                }
+                                self.event_tx.send(EmulationEvent::ReleaseNotify).expect("channel closed");
-                            }
-                            ProtoEvent::Leave(_) => {
-                                self.emulation_proxy.remove(addr);
                                 self.listener.reply(addr, ProtoEvent::Ack(0)).await;
+                                self.event_tx.send(EmulationEvent::Connected{addr, pos: to_ipc_pos(pos), fingerprint}).expect("channel closed");
                             }
-                            ProtoEvent::Input(event) => self.emulation_proxy.consume(event, addr),
-                            ProtoEvent::Ping => self.listener.reply(addr, ProtoEvent::Pong(self.emulation_proxy.emulation_active.get())).await,
-                            _ => {}
                         }
+                        ProtoEvent::Leave(_) => {
+                            self.emulation_proxy.remove(addr);
+                            self.listener.reply(addr, ProtoEvent::Ack(0)).await;
+                        }
+                        ProtoEvent::Input(event) => self.emulation_proxy.consume(event, addr),
+                        ProtoEvent::Ping => self.listener.reply(addr, ProtoEvent::Pong(self.emulation_proxy.emulation_active.get())).await,
+                        _ => {}
                     }
-                    Some(ListenEvent::Accept { addr, fingerprint }) => {
+                }
-                        self.event_tx.send(EmulationEvent::Connected { addr, fingerprint }).expect("channel closed");
-                    }
-                    Some(ListenEvent::Rejected { fingerprint }) => {
-                        self.event_tx.send(EmulationEvent::ConnectionAttempt { fingerprint }).expect("channel closed");
-                    }
-                    None => break
-                }}
                 event = self.emulation_proxy.event() => {
                     self.event_tx.send(event).expect("channel closed");
                 }

src/listen.rs

@@ -3,15 +3,15 @@ use lan_mouse_proto::{ProtoEvent, MAX_EVENT_SIZE};
 use local_channel::mpsc::{channel, Receiver, Sender};
 use rustls::pki_types::CertificateDer;
 use std::{
-    collections::{HashMap, VecDeque},
+    collections::HashMap,
     net::SocketAddr,
     rc::Rc,
-    sync::{Arc, Mutex, RwLock},
+    sync::{Arc, RwLock},
     time::Duration,
 };
 use thiserror::Error;
 use tokio::{
-    sync::Mutex as AsyncMutex,
+    sync::Mutex,
     task::{spawn_local, JoinHandle},
 };
 use webrtc_dtls::{
@@ -34,25 +34,11 @@ pub enum ListenerCreationError {
 
 type ArcConn = Arc<dyn Conn + Send + Sync>;
 
-pub(crate) enum ListenEvent {
-    Msg {
-        event: ProtoEvent,
-        addr: SocketAddr,
-    },
-    Accept {
-        addr: SocketAddr,
-        fingerprint: String,
-    },
-    Rejected {
-        fingerprint: String,
-    },
-}
-
 pub(crate) struct LanMouseListener {
-    listen_rx: Receiver<ListenEvent>,
+    listen_rx: Receiver<(ProtoEvent, SocketAddr)>,
-    listen_tx: Sender<ListenEvent>,
+    listen_tx: Sender<(ProtoEvent, SocketAddr)>,
     listen_task: JoinHandle<()>,
-    conns: Rc<AsyncMutex<Vec<(SocketAddr, ArcConn)>>>,
+    conns: Rc<Mutex<Vec<(SocketAddr, ArcConn)>>>,
     request_port_change: Sender<u16>,
     port_changed: Receiver<Result<u16, ListenerCreationError>>,
 }
@@ -72,35 +58,26 @@ impl LanMouseListener {
         let (listen_tx, listen_rx) = channel();
         let (request_port_change, mut request_port_change_rx) = channel();
         let (port_changed_tx, port_changed) = channel();
-        let connection_attempts: Arc<Mutex<VecDeque<String>>> = Default::default();
 
         let authorized = authorized_keys.clone();
-        let verify_peer_certificate: Option<VerifyPeerCertificateFn> = {
+        let verify_peer_certificate: Option<VerifyPeerCertificateFn> = Some(Arc::new(
-            let connection_attempts = connection_attempts.clone();
+            move |certs: &[Vec<u8>], _chains: &[CertificateDer<'static>]| {
-            Some(Arc::new(
+                assert!(certs.len() == 1);
-                move |certs: &[Vec<u8>], _chains: &[CertificateDer<'static>]| {
+                let fingerprints = certs
-                    assert!(certs.len() == 1);
+                    .iter()
-                    let fingerprints = certs
+                    .map(|c| crypto::generate_fingerprint(c))
-                        .iter()
+                    .collect::<Vec<_>>();
-                        .map(|c| crypto::generate_fingerprint(c))
+                if authorized
-                        .collect::<Vec<_>>();
+                    .read()
-                    if authorized
+                    .expect("lock")
-                        .read()
+                    .contains_key(&fingerprints[0])
-                        .expect("lock")
+                {
-                        .contains_key(&fingerprints[0])
+                    Ok(())
-                    {
+                } else {
-                        Ok(())
+                    Err(webrtc_dtls::Error::ErrVerifyDataMismatch)
-                    } else {
+                }
-                        let fingerprint = fingerprints.into_iter().next().expect("fingerprint");
+            },
-                        connection_attempts
+        ));
-                            .lock()
-                            .expect("lock")
-                            .push_back(fingerprint);
-                        Err(webrtc_dtls::Error::ErrVerifyDataMismatch)
-                    }
-                },
-            ))
-        };
         let cfg = Config {
             certificates: vec![cert.clone()],
             extended_master_secret: ExtendedMasterSecretType::Require,
@@ -112,69 +89,43 @@ impl LanMouseListener {
         let listen_addr = SocketAddr::new("0.0.0.0".parse().expect("invalid ip"), port);
         let mut listener = listen(listen_addr, cfg.clone()).await?;
 
-        let conns: Rc<AsyncMutex<Vec<(SocketAddr, ArcConn)>>> =
+        let conns: Rc<Mutex<Vec<(SocketAddr, ArcConn)>>> = Rc::new(Mutex::new(Vec::new()));
-            Rc::new(AsyncMutex::new(Vec::new()));
 
         let conns_clone = conns.clone();
-        let listen_task: JoinHandle<()> = {
+        let tx = listen_tx.clone();
-            let listen_tx = listen_tx.clone();
+        let listen_task: JoinHandle<()> = spawn_local(async move {
-            let connection_attempts = connection_attempts.clone();
+            loop {
-            spawn_local(async move {
+                let sleep = tokio::time::sleep(Duration::from_secs(2));
-                loop {
+                tokio::select! {
-                    let sleep = tokio::time::sleep(Duration::from_secs(2));
+                    /* workaround for https://github.com/webrtc-rs/webrtc/issues/614 */
-                    tokio::select! {
+                    _ = sleep => continue,
-                        /* workaround for https://github.com/webrtc-rs/webrtc/issues/614 */
+                    c = listener.accept() => match c {
-                        _ = sleep => continue,
+                        Ok((conn, addr)) => {
-                        c = listener.accept() => match c {
+                            log::info!("dtls client connected, ip: {addr}");
-                            Ok((conn, addr)) => {
+                            let mut conns = conns_clone.lock().await;
-                                log::info!("dtls client connected, ip: {addr}");
+                            conns.push((addr, conn.clone()));
-                                let mut conns = conns_clone.lock().await;
+                            spawn_local(read_loop(conns_clone.clone(), addr, conn, tx.clone()));
-                                conns.push((addr, conn.clone()));
+                        },
-                                let dtls_conn: &DTLSConn = conn.as_any().downcast_ref().expect("dtls conn");
+                        Err(e) => log::warn!("accept: {e}"),
-                                let certs = dtls_conn.connection_state().await.peer_certificates;
+                    },
-                                let cert = certs.first().expect("cert");
+                    port = request_port_change_rx.recv() => {
-                                let fingerprint = crypto::generate_fingerprint(cert);
+                        let port = port.expect("channel closed");
-                                listen_tx.send(ListenEvent::Accept { addr, fingerprint }).expect("channel closed");
+                        let listen_addr = SocketAddr::new("0.0.0.0".parse().expect("invalid ip"), port);
-                                spawn_local(read_loop(conns_clone.clone(), addr, conn, listen_tx.clone()));
+                        match listen(listen_addr, cfg.clone()).await {
-                            },
+                            Ok(new_listener) => {
-                            Err(e) => {
+                                let _ = listener.close().await;
-                                if let Error::Std(ref e) = e {
+                                listener = new_listener;
-                                    if let Some(e) = e.0.downcast_ref::<webrtc_dtls::Error>() {
+                                port_changed_tx.send(Ok(port)).expect("channel closed");
-                                        match e {
-                                            webrtc_dtls::Error::ErrVerifyDataMismatch => {
-                                                if let Some(fingerprint) = connection_attempts.lock().expect("lock").pop_front() {
-                                                    listen_tx.send(ListenEvent::Rejected { fingerprint }).expect("channel closed");
-                                                }
-                                            }
-                                            _ => log::warn!("accept: {e}"),
-                                        }
-                                    } else {
-                                        log::warn!("accept: {e:?}");
-                                    }
-                                } else {
-                                    log::warn!("accept: {e:?}");
-                                }
                             }
-                        },
+                            Err(e) => {
-                        port = request_port_change_rx.recv() => {
+                                log::warn!("unable to change port: {e}");
-                            let port = port.expect("channel closed");
+                                port_changed_tx.send(Err(e.into())).expect("channel closed");
-                            let listen_addr = SocketAddr::new("0.0.0.0".parse().expect("invalid ip"), port);
+                            }
-                            match listen(listen_addr, cfg.clone()).await {
+                        };
-                                Ok(new_listener) => {
+                    },
-                                    let _ = listener.close().await;
+                };
-                                    listener = new_listener;
+            }
-                                    port_changed_tx.send(Ok(port)).expect("channel closed");
+        });
-                                }
-                                Err(e) => {
-                                    log::warn!("unable to change port: {e}");
-                                    port_changed_tx.send(Err(e.into())).expect("channel closed");
-                                }
-                            };
-                        },
-                    };
-                }
-            })
-        };
 
         Ok(Self {
             conns,
@@ -235,7 +186,7 @@ impl LanMouseListener {
 }
 
 impl Stream for LanMouseListener {
-    type Item = ListenEvent;
+    type Item = (ProtoEvent, SocketAddr);
 
     fn poll_next(
         mut self: std::pin::Pin<&mut Self>,
@@ -246,18 +197,16 @@ impl Stream for LanMouseListener {
 }
 
 async fn read_loop(
-    conns: Rc<AsyncMutex<Vec<(SocketAddr, ArcConn)>>>,
+    conns: Rc<Mutex<Vec<(SocketAddr, ArcConn)>>>,
     addr: SocketAddr,
     conn: ArcConn,
-    dtls_tx: Sender<ListenEvent>,
+    dtls_tx: Sender<(ProtoEvent, SocketAddr)>,
 ) -> Result<(), Error> {
     let mut b = [0u8; MAX_EVENT_SIZE];
 
     while conn.recv(&mut b).await.is_ok() {
         match b.try_into() {
-            Ok(event) => dtls_tx
+            Ok(event) => dtls_tx.send((event, addr)).expect("channel closed"),
-                .send(ListenEvent::Msg { event, addr })
-                .expect("channel closed"),
             Err(e) => {
                 log::warn!("error receiving event: {e}");
                 break;

src/service.rs

@@ -211,10 +211,7 @@ impl Service {
 
     fn handle_emulation_event(&mut self, event: EmulationEvent) {
         match event {
-            EmulationEvent::ConnectionAttempt { fingerprint } => {
+            EmulationEvent::Connected {
-                self.notify_frontend(FrontendEvent::ConnectionAttempt { fingerprint });
-            }
-            EmulationEvent::Entered {
                 addr,
                 pos,
                 fingerprint,
@@ -222,11 +219,7 @@ impl Service {
                 // check if already registered
                 if !self.incoming_conns.contains(&addr) {
                     self.add_incoming(addr, pos, fingerprint.clone());
-                    self.notify_frontend(FrontendEvent::DeviceEntered {
+                    self.notify_frontend(FrontendEvent::IncomingConnected(fingerprint, addr, pos));
-                        fingerprint,
-                        addr,
-                        pos,
-                    });
                 } else {
                     self.update_incoming(addr, pos, fingerprint);
                 }
@@ -253,9 +246,6 @@ impl Service {
                 self.notify_frontend(FrontendEvent::EmulationStatus(self.emulation_status));
             }
             EmulationEvent::ReleaseNotify => self.capture.release(),
-            EmulationEvent::Connected { addr, fingerprint } => {
-                self.notify_frontend(FrontendEvent::DeviceConnected { addr, fingerprint });
-            }
         }
     }
 
@@ -357,11 +347,7 @@ impl Service {
             self.remove_incoming(addr);
             self.add_incoming(addr, pos, fingerprint.clone());
             self.notify_frontend(FrontendEvent::IncomingDisconnected(addr));
-            self.notify_frontend(FrontendEvent::DeviceEntered {
+            self.notify_frontend(FrontendEvent::IncomingConnected(fingerprint, addr, pos));
-                fingerprint,
-                addr,
-                pos,
-            });
         }
     }