use autostart for --tray in linux because pkexec not work well when start it with --server

res/rustdesk-link.desktop

@@ -8,4 +8,3 @@ Icon=rustdesk
 Terminal=false
 Type=Application
 StartupNotify=false
-Version=1.5

res/rustdesk.desktop

@@ -1,5 +1,5 @@
 [Desktop Entry]
-Version=1.5
+Version=1.2.0
 Name=RustDesk
 GenericName=Remote Desktop
 Comment=Remote Desktop

src/common.rs

@@ -1071,17 +1071,17 @@ pub fn check_process(arg: &str, same_uid: bool) -> bool {
         .map(|x| x.user_id())
         .unwrap_or_default();
     for (_, p) in sys.processes().iter() {
+        if p.pid().to_string() == std::process::id().to_string() {
+            continue;
+        }
         if same_uid && p.user_id() != my_uid {
             continue;
         }
-        if p.cmd().is_empty() || p.cmd()[0] != app {
+        if p.exe().to_string_lossy() != app {
             continue;
         }
-        if arg.is_empty() {
-            if p.cmd().len() == 1 {
-                return true;
-            }
-        } else if p.cmd().len() > 1 && p.cmd()[1] == arg {
+        let parg = if p.cmd().len() <= 1 { "" } else { &p.cmd()[1] };
+        if arg == parg {
             return true;
         }
     }

src/core_main.rs

@@ -41,6 +41,14 @@ pub fn core_main() -> Option<Vec<String>> {
         }
         i += 1;
     }
+    #[cfg(any(target_os = "linux", target_os = "windows"))]
+    if args.is_empty() {
+        #[cfg(target_os = "linux")]
+        hbb_common::allow_err!(crate::platform::check_autostart_config());
+        if crate::check_process("--server", false) && !crate::check_process("--tray", true) {
+            hbb_common::allow_err!(crate::run_me(vec!["--tray"]));
+        }
+    }
     #[cfg(not(debug_assertions))]
     #[cfg(not(any(target_os = "android", target_os = "ios")))]
     register_breakdown_handler(breakdown_callback);

src/platform/linux.rs

@@ -11,6 +11,7 @@ use hbb_common::{
 };
 use std::{
     cell::RefCell,
+    io::Write,
     path::{Path, PathBuf},
     process::{Child, Command},
     string::String,
@@ -1170,3 +1171,24 @@ fn check_if_stop_service() {
         ));
     }
 }
+
+pub fn check_autostart_config() -> ResultType<()> {
+    let home = std::env::var("HOME").unwrap_or_default();
+    let path = format!("{home}/.config/autostart");
+    let file = format!("{path}/rustdesk.desktop");
+    std::fs::create_dir_all(&path).ok();
+    if !Path::new(&file).exists() {
+        // write text to the desktop file
+        let mut file = std::fs::File::create(&file)?;
+        file.write_all(
+            "
+[Desktop Entry]
+Type=Application
+Exec=rustdesk --tray
+NoDisplay=false
+        "
+            .as_bytes(),
+        )?;
+    }
+    Ok(())
+}