fix rdp session ctrl+alt+delete (#7258)

Signed-off-by: 21pages <pages21@163.com>

src/ipc.rs

@@ -186,6 +186,7 @@ pub enum Data {
     MouseMoveTime(i64),
     Authorize,
     Close,
+    #[cfg(windows)]
     SAS,
     UserSid(Option<u32>),
     OnlineStatus(Option<(i64, bool)>),

src/platform/windows.rs

@@ -675,7 +675,7 @@ async fn send_close_async(postfix: &str) -> ResultType<()> {
 
 // https://docs.microsoft.com/en-us/windows/win32/api/sas/nf-sas-sendsas
 // https://www.cnblogs.com/doutu/p/4892726.html
-fn send_sas() {
+pub fn send_sas() {
     #[link(name = "sas")]
     extern "system" {
         pub fn SendSAS(AsUser: BOOL);
@@ -744,6 +744,17 @@ pub fn get_current_process_session_id() -> Option<u32> {
     }
 }
 
+pub fn is_physical_console_session() -> Option<bool> {
+    if let Some(sid) = get_current_process_session_id() {
+        let physical_console_session_id = unsafe { get_current_session(TRUE) };
+        if physical_console_session_id == u32::MAX {
+            return None;
+        }
+        return Some(physical_console_session_id == sid);
+    }
+    None
+}
+
 pub fn get_active_username() -> String {
     // get_active_user will give console username higher priority
     if let Some(name) = get_current_session_username() {

src/server/input_service.rs

@@ -1,3 +1,5 @@
+#[cfg(target_os = "linux")]
+use super::rdp_input::client::{RdpInputKeyboard, RdpInputMouse};
 use super::*;
 #[cfg(target_os = "macos")]
 use crate::common::is_server;
@@ -5,8 +7,6 @@ use crate::input::*;
 #[cfg(target_os = "macos")]
 use dispatch::Queue;
 use enigo::{Enigo, Key, KeyboardControllable, MouseButton, MouseControllable};
-#[cfg(target_os = "linux")]
-use super::rdp_input::client::{RdpInputKeyboard, RdpInputMouse};
 use hbb_common::{
     get_time,
     message_proto::{pointer_device_event::Union::TouchEvent, touch_event::Union::ScaleUpdate},
@@ -1316,6 +1316,7 @@ fn is_function_key(ck: &EnumOrUnknown<ControlKey>) -> bool {
     let mut res = false;
     if ck.value() == ControlKey::CtrlAltDel.value() {
         // have to spawn new thread because send_sas is tokio_main, the caller can not be tokio_main.
+        #[cfg(windows)]
         std::thread::spawn(|| {
             allow_err!(send_sas());
         });
@@ -1564,10 +1565,15 @@ async fn lock_screen_2() {
     lock_screen().await;
 }
 
+#[cfg(windows)]
 #[tokio::main(flavor = "current_thread")]
 async fn send_sas() -> ResultType<()> {
-    let mut stream = crate::ipc::connect(1000, crate::POSTFIX_SERVICE).await?;
-    timeout(1000, stream.send(&crate::ipc::Data::SAS)).await??;
+    if crate::platform::is_physical_console_session().unwrap_or(true) {
+        let mut stream = crate::ipc::connect(1000, crate::POSTFIX_SERVICE).await?;
+        timeout(1000, stream.send(&crate::ipc::Data::SAS)).await??;
+    } else {
+        crate::platform::send_sas();
+    };
     Ok(())
 }