improve win service get

_modules/win_agent.py

@@ -23,7 +23,26 @@ TEMP_DIR = os.path.join("C:\\Windows", "Temp")
 
 
 def get_services():
-    return [svc.as_dict() for svc in psutil.win_service_iter()]
+    # see https://github.com/wh1te909/tacticalrmm/issues/38
+    # for why I am manually implementing the svc.as_dict() method of psutil
+    ret = []
+    for svc in psutil.win_service_iter():
+        i = {}
+        try:
+            i["display_name"] = svc.display_name()
+            i["binpath"] = svc.binpath()
+            i["username"] = svc.username()
+            i["start_type"] = svc.start_type()
+            i["status"] = svc.status()
+            i["pid"] = svc.pid()
+            i["name"] = svc.name()
+            i["description"] = svc.description()
+        except Exception:
+            continue
+        else:
+            ret.append(i)
+
+    return ret
 
 
 def run_python_script(filename, timeout, script_type="userdefined"):