Fixed premission-issues with additional script

app/gui.py

@@ -6,15 +6,16 @@ import time
 import tkinter as tk
 from tkinter import ttk, messagebox
 from collections import deque, defaultdict
+import subprocess
 
 import can  # nur für Trace-Reader
 
 from .config import load_settings, setup_logging, SETTINGS_PATH, APP_ROOT
 from .simulator import EcuState, DrivelineModel
+from .obd2 import ObdResponder, make_speed_response, make_rpm_response
 from .can import (
-    ObdResponder, make_speed_response, make_rpm_response,
-    list_can_ifaces, link_up, link_down,
-    have_cap_netadmin, link_state, link_kind
+    list_can_ifaces, link_up, link_down, link_state, link_kind,
+    have_cap_netadmin, need_caps_message
 )
 
 
@@ -215,6 +216,17 @@ def launch_gui():
             # NEU: set_params aus Checkbox
             link_up(iface_var.get(), bitrate=br_var.get(), fd=False, set_params=set_params.get())
             msg = f"{iface_var.get()} ist UP"
+            # nach erfolgreichem link_up(...) – in gui.py
+            try:
+                out = subprocess.check_output(["ip", "-details", "-json", "link", "show", iface_var.get()], text=True)
+                info = json.loads(out)[0]
+                bt = (info.get("linkinfo", {}) or {}).get("info_data", {}).get("bittiming") or {}
+                br = bt.get("bitrate"); sp = bt.get("sample-point")
+                if br:
+                    messagebox.showinfo("CAN", f"{iface_var.get()} ist UP @ {br} bit/s (sample-point {sp})")
+            except Exception:
+                pass
+
             if set_params.get():
                 msg += f" @ {br_var.get()} bit/s (falls vom Treiber unterstützt)"
             else: