set requests UA in config

garak/_config.py

@@ -153,6 +153,9 @@ def _store_config(settings_files) -> None:
     run.user_agent = run.user_agent.replace("{version}", version)
     plugins = _set_settings(plugins, settings["plugins"])
     reporting = _set_settings(reporting, settings["reporting"])
+    from requests import utils
+
+    utils.default_user_agent = run.user_agent
 
 
 def load_base_config() -> None:

garak/generators/rest.py

@@ -67,7 +67,6 @@ def __init__(self, uri=None, config_root=_config):
         self.escape_function = self._json_escape
         self.retry_5xx = True
         self.key_env_var = self.ENV_VAR if hasattr(self, "ENV_VAR") else None
-        self.user_agent = _config.run.user_agent
 
         # load configuration since super.__init__ has not been called
         self._load_config(config_root)
@@ -188,8 +187,6 @@ def _call_model(
         # serialized as parameters, in general a method could be created to add
         # the prompt data to a request via params or data based on the action verb
         data_kw = "params" if self.http_function == requests.get else "data"
-        if "User-Agent" not in request_headers:
-            request_headers["User-Agent"] = self.user_agent
         req_kArgs = {
             data_kw: request_data,
             "headers": request_headers,