From c8c726b5651b5f7ce3b2162e011570a326048aa0 Mon Sep 17 00:00:00 2001
From: Kingtous <kingtous@qq.com>
Date: Mon, 31 Oct 2022 14:59:57 +0800
Subject: [PATCH] feat: support hot,key specification in portable file name

---
 src/common.rs           | 3 +++
 src/platform/windows.rs | 8 +++++++-
 src/ui_interface.rs     | 5 +++++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/common.rs b/src/common.rs
index 8a9890319..78e3147ec 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -26,6 +26,9 @@ pub type NotifyMessageBox = fn(String, String, String, String) -> dyn Future<Out
 pub const CLIPBOARD_NAME: &'static str = "clipboard";
 pub const CLIPBOARD_INTERVAL: u64 = 333;
 
+// the executable name of the portable version 
+pub const PORTABLE_APPNAME_RUNTIME_ENV_KEY: &str = "RUSTDESK_APPNAME";
+
 lazy_static::lazy_static! {
     pub static ref CONTENT: Arc<Mutex<String>> = Default::default();
     pub static ref SOFTWARE_UPDATE_URL: Arc<Mutex<String>> = Default::default();
diff --git a/src/platform/windows.rs b/src/platform/windows.rs
index ed9ac7e9b..ae9574f33 100644
--- a/src/platform/windows.rs
+++ b/src/platform/windows.rs
@@ -1,4 +1,5 @@
 use super::{CursorData, ResultType};
+use crate::common::PORTABLE_APPNAME_RUNTIME_ENV_KEY;
 use crate::ipc;
 use crate::license::*;
 use hbb_common::{
@@ -1333,7 +1334,12 @@ fn get_reg_of(subkey: &str, name: &str) -> String {
 }
 
 fn get_license_from_exe_name() -> ResultType<License> {
-    let exe = std::env::current_exe()?.to_str().unwrap_or("").to_owned();
+    let mut exe = std::env::current_exe()?.to_str().unwrap_or("").to_owned();
+    // if defined portable appname entry, replace original executable name with it.
+    if let Ok(portable_exe) = std::env::var(PORTABLE_APPNAME_RUNTIME_ENV_KEY) {
+        exe = portable_exe;
+        log::debug!("update portable executable name to {}", exe);
+    }
     get_license_from_string(&exe)
 }
 
diff --git a/src/ui_interface.rs b/src/ui_interface.rs
index 0f7db9a1d..cb2c178d6 100644
--- a/src/ui_interface.rs
+++ b/src/ui_interface.rs
@@ -141,6 +141,11 @@ pub fn has_rendezvous_service() -> bool {
 pub fn get_license() -> String {
     #[cfg(windows)]
     if let Some(lic) = crate::platform::windows::get_license() {
+        #[cfg(feature = "flutter")]
+        {
+            return format!("Key: {}\nHost: {}\nApi: {}", lic.key, lic.host, lic.api);
+        }
+        // default license format is html formed (sciter)
         return format!(
             "<br /> Key: {} <br /> Host: {} Api: {}",
             lic.key, lic.host, lic.api