fix: persist RustDesk password in service profile

apps/desktop/src-tauri/src/rustdesk.rs

@@ -104,6 +104,14 @@ pub fn ensure_rustdesk(
         log_event(&format!("Falha ao definir senha padrão: {error}"));
     } else {
         log_event("Senha padrão definida com sucesso");
+        match ensure_password_files(&password) {
+            Ok(_) => log_event("Senha persistida nos perfis do RustDesk"),
+            Err(error) => log_event(&format!("Falha ao persistir senha nos perfis: {error}")),
+        }
+        match replicate_password_artifacts() {
+            Ok(_) => log_event("Artefatos de senha replicados para o serviço do RustDesk"),
+            Err(error) => log_event(&format!("Falha ao replicar artefatos de senha: {error}")),
+        }
     }
 
     let custom_id = if let Some(value) = machine_id.and_then(|raw| {
@@ -429,6 +437,60 @@ fn remote_id_directories() -> Vec<PathBuf> {
     dirs
 }
 
+fn ensure_password_files(secret: &str) -> Result<(), String> {
+    let mut errors = Vec::new();
+    for dir in remote_id_directories() {
+        let password_path = dir.join("RustDesk.toml");
+        if let Err(error) = write_toml_kv(&password_path, "password", secret) {
+            errors.push(format!("{} -> {}", password_path.display(), error));
+        }
+
+        let local_path = dir.join("RustDesk_local.toml");
+        if let Err(error) = write_toml_kv(&local_path, "verification-method", "use-both-passwords") {
+            log_event(&format!(
+                "Falha ao ajustar verification-method em {}: {error}",
+                local_path.display()
+            ));
+        }
+    }
+
+    if errors.is_empty() {
+        Ok(())
+    } else {
+        Err(errors.join(" | "))
+    }
+}
+
+fn replicate_password_artifacts() -> io::Result<()> {
+    let Some(src) = user_appdata_config_dir() else {
+        return Ok(());
+    };
+    let destinations = [program_data_config_dir(), PathBuf::from(LOCAL_SERVICE_CONFIG)];
+    let candidates = ["password", "passwd", "passwd.txt"];
+
+    for dest in destinations {
+        fs::create_dir_all(&dest)?;
+        for name in candidates {
+            let source_path = src.join(name);
+            if !source_path.exists() {
+                continue;
+            }
+            let metadata = match fs::metadata(&source_path) {
+                Ok(data) => data,
+                Err(_) => continue,
+            };
+            if !metadata.is_file() || metadata.len() == 0 {
+                continue;
+            }
+
+            let target_path = dest.join(name);
+            fs::copy(&source_path, &target_path)?;
+        }
+    }
+
+    Ok(())
+}
+
 fn write_remote_id_value(path: &Path, id: &str) -> io::Result<()> {
     if let Some(parent) = path.parent() {
         fs::create_dir_all(parent)?;
@@ -465,6 +527,44 @@ fn write_remote_id_value(path: &Path, id: &str) -> io::Result<()> {
     }
 }
 
+fn write_toml_kv(path: &Path, key: &str, value: &str) -> io::Result<()> {
+    if let Some(parent) = path.parent() {
+        fs::create_dir_all(parent)?;
+    }
+    let sanitized = value.replace('\'', "''");
+    let replacement = format!("{key} = '{}'\n", sanitized);
+    if let Ok(existing) = fs::read_to_string(path) {
+        let mut replaced = false;
+        let mut buffer = String::with_capacity(existing.len() + replacement.len());
+        for line in existing.lines() {
+            let trimmed = line.trim_start();
+            if trimmed.starts_with(&format!("{key} ")) || trimmed.starts_with(&format!("{key}=")) {
+                buffer.push_str(&replacement);
+                replaced = true;
+            } else {
+                buffer.push_str(line);
+                buffer.push('\n');
+            }
+        }
+        if !replaced {
+            buffer.push_str(&replacement);
+        }
+        let mut file = OpenOptions::new()
+            .create(true)
+            .write(true)
+            .truncate(true)
+            .open(path)?;
+        file.write_all(buffer.as_bytes())
+    } else {
+        let mut file = OpenOptions::new()
+            .create(true)
+            .write(true)
+            .truncate(true)
+            .open(path)?;
+        file.write_all(replacement.as_bytes())
+    }
+}
+
 fn read_remote_id_from_profiles() -> Option<String> {
     for dir in remote_id_directories() {
         for candidate in [dir.join("RustDesk_local.toml"), dir.join("RustDesk.toml")] {