patch: try fix flutter file copy

Signed-off-by: ClSlaid <cailue@bupt.edu.cn>

libs/clipboard/src/context_send.rs

@@ -26,22 +26,19 @@ impl ContextSend {
     pub fn enable(enabled: bool) {
         let mut lock = CONTEXT_SEND.addr.lock().unwrap();
         if enabled {
-            if lock.is_none() {
-                match crate::create_cliprdr_context(
-                    true,
-                    false,
-                    CLIPBOARD_RESPONSE_WAIT_TIMEOUT_SECS,
-                ) {
-                    Ok(context) => {
-                        log::info!("clipboard context for file transfer created.");
-                        *lock = Some(context)
-                    }
-                    Err(err) => {
-                        log::error!(
-                            "create clipboard context for file transfer: {}",
-                            err.to_string()
-                        );
-                    }
+            if lock.is_some() {
+                return;
+            }
+            match crate::create_cliprdr_context(true, false, CLIPBOARD_RESPONSE_WAIT_TIMEOUT_SECS) {
+                Ok(context) => {
+                    log::info!("clipboard context for file transfer created.");
+                    *lock = Some(context)
+                }
+                Err(err) => {
+                    log::error!(
+                        "create clipboard context for file transfer: {}",
+                        err.to_string()
+                    );
                 }
             }
         } else if let Some(_clp) = lock.take() {

libs/clipboard/src/platform/mod.rs

@@ -25,33 +25,30 @@ pub fn create_cliprdr_context(
     _enable_others: bool,
     response_wait_timeout_secs: u32,
 ) -> crate::ResultType<Box<dyn crate::CliprdrServiceContext>> {
-    use hbb_common::log;
+    use std::{fs::Permissions, os::unix::prelude::PermissionsExt};
+
+    use hbb_common::{config::APP_NAME, log};
 
     if !enable_files {
         return Ok(Box::new(DummyCliprdrContext {}) as Box<_>);
     }
 
     let timeout = std::time::Duration::from_secs(response_wait_timeout_secs as u64);
-    let mut tmp_path = std::env::temp_dir();
-    tmp_path.push("rustdesk-cliprdr");
+
+    let app_name = APP_NAME.read().unwrap().clone();
+
+    let mnt_path = format!("/tmp/{}/{}", app_name, "cliprdr");
+
+    // this function must be called after the main IPC is up
+    std::fs::create_dir(&mnt_path).ok();
+    std::fs::set_permissions(&mnt_path, Permissions::from_mode(0o777)).ok();
 
     log::info!("clear previously mounted cliprdr FUSE");
-    if let Err(e) = std::process::Command::new("umount").arg(&tmp_path).status() {
-        log::warn!("umount {:?} may fail: {:?}", tmp_path, e);
+    if let Err(e) = std::process::Command::new("umount").arg(&mnt_path).status() {
+        log::warn!("umount {:?} may fail: {:?}", mnt_path, e);
     }
 
-    let rd_mnt = if !tmp_path.exists() {
-        log::info!("create mount point: {}", tmp_path.display());
-        std::fs::create_dir_all(tmp_path.clone())?;
-        tmp_path
-    } else if !tmp_path.is_dir() {
-        log::error!("{} is occupied and is not a directory", tmp_path.display());
-        return Err(CliprdrError::CliprdrInit.into());
-    } else {
-        tmp_path
-    };
-
-    let linux_ctx = linux::ClipboardContext::new(timeout, rd_mnt)?;
+    let linux_ctx = linux::ClipboardContext::new(timeout, mnt_path.parse().unwrap())?;
     log::debug!("start cliprdr FUSE");
     linux_ctx.run().expect("failed to start cliprdr FUSE");
 

src/client/io_loop.rs

@@ -1073,7 +1073,6 @@ impl<T: InvokeUiSession> Remote<T> {
                     }
                     Some(login_response::Union::PeerInfo(pi)) => {
                         self.handler.handle_peer_info(pi);
-                        #[cfg(not(feature = "flutter"))]
                         self.check_clipboard_file_context();
                         if !(self.handler.is_file_transfer() || self.handler.is_port_forward()) {
                             #[cfg(feature = "flutter")]
@@ -1703,7 +1702,6 @@ impl<T: InvokeUiSession> Remote<T> {
         true
     }
 
-    #[cfg(not(feature = "flutter"))]
     fn check_clipboard_file_context(&self) {
         #[cfg(any(target_os = "windows", target_os = "linux"))]
         {
@@ -1716,7 +1714,7 @@ impl<T: InvokeUiSession> Remote<T> {
     #[cfg(any(target_os = "windows", target_os = "linux"))]
     fn handle_cliprdr_msg(&self, clip: hbb_common::message_proto::Cliprdr) {
         log::debug!("handling cliprdr msg from server peer");
-        #[cfg(all(feature = "flutter", not(target_os = "linux")))]
+        #[cfg(feature = "flutter")]
         if let Some(hbb_common::message_proto::cliprdr::Union::FormatList(_)) = &clip.union {
             if self.client_conn_id
                 != clipboard::get_client_conn_id(&crate::flutter::get_cur_peer_id()).unwrap_or(0)

src/server/connection.rs

@@ -1791,6 +1791,7 @@ impl Connection {
                 {
                     #[cfg(any(target_os = "windows", target_os = "linux"))]
                     if let Some(clip) = msg_2_clip(_clip) {
+                        log::debug!("got clipfile from client peer");
                         self.send_to_cm(ipc::Data::ClipboardFile(clip))
                     }
                 }

src/ui_cm_interface.rs

@@ -575,6 +575,11 @@ pub async fn start_ipc<T: InvokeUiCM>(cm: ConnectionManager<T>) {
         }
     });
 
+    log::debug!(
+        "start_ipc enable context_send: {}",
+        Config::get_option("enable-file-transfer").is_empty()
+    );
+
     #[cfg(any(target_os = "windows", target_os = "linux"))]
     ContextSend::enable(Config::get_option("enable-file-transfer").is_empty());