Allow ctrl_iface SET command to change global config parameters

wpa_supplicant/ctrl_iface.c

@@ -82,8 +82,12 @@ static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 			ret = -1;
 	} else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 		wpa_s->wps_fragment_size = atoi(value);
-	} else
-		ret = -1;
+	} else {
+		value[-1] = '=';
+		ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
+		if (ret == 0)
+			wpa_supplicant_update_config(wpa_s);
+	}
 
 	return ret;
 }

wpa_supplicant/wpa_supplicant.c

@@ -628,6 +628,7 @@ int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s)
 			"file '%s' - exiting", wpa_s->confname);
 		return -1;
 	}
+	conf->changed_parameters = (unsigned int) -1;
 
 	reconf_ctrl = !!conf->ctrl_interface != !!wpa_s->conf->ctrl_interface
 		|| (conf->ctrl_interface && wpa_s->conf->ctrl_interface &&
@@ -670,6 +671,8 @@ int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s)
 	if (reconf_ctrl)
 		wpa_s->ctrl_iface = wpa_supplicant_ctrl_iface_init(wpa_s);
 
+	wpa_supplicant_update_config(wpa_s);
+
 	wpa_supplicant_clear_status(wpa_s);
 	wpa_s->reassociate = 1;
 	wpa_supplicant_req_scan(wpa_s, 0, 0);
@@ -2415,3 +2418,13 @@ void wpa_supplicant_deinit(struct wpa_global *global)
 	wpa_debug_close_syslog();
 	wpa_debug_close_file();
 }
+
+
+void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s)
+{
+#ifdef CONFIG_WPS
+	wpas_wps_update_config(wpa_s);
+#endif /* CONFIG_WPS */
+
+	wpa_s->conf->changed_parameters = 0;
+}

wpa_supplicant/wpa_supplicant_i.h

@@ -500,6 +500,7 @@ void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
 			     const u8 *buf, size_t len);
 enum wpa_key_mgmt key_mgmt2driver(int key_mgmt);
 enum wpa_cipher cipher_suite2driver(int cipher);
+void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
 
 /* events.c */
 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);

wpa_supplicant/wps_supplicant.c

@@ -1322,3 +1322,44 @@ int wpas_wps_in_progress(struct wpa_supplicant *wpa_s)
 
 	return 0;
 }
+
+
+void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
+{
+	struct wps_context *wps = wpa_s->wps;
+
+	if (wps == NULL)
+		return;
+
+	if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) {
+		wps->config_methods = wps_config_methods_str2bin(
+			wpa_s->conf->config_methods);
+		if ((wps->config_methods &
+		     (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) ==
+		    (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) {
+			wpa_printf(MSG_ERROR, "WPS: Both Label and Display "
+				   "config methods are not allowed at the "
+				   "same time");
+			wps->config_methods &= ~WPS_CONFIG_LABEL;
+		}
+	}
+
+	if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) {
+		if (wpa_s->conf->device_type &&
+		    wps_dev_type_str2bin(wpa_s->conf->device_type,
+					 wps->dev.pri_dev_type) < 0)
+			wpa_printf(MSG_ERROR, "WPS: Invalid device_type");
+	}
+
+	if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
+		wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
+
+	if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID) {
+		if (is_nil_uuid(wpa_s->conf->uuid)) {
+			uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
+			wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
+				    "address", wps->uuid, WPS_UUID_LEN);
+		} else
+			os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
+	}
+}

wpa_supplicant/wps_supplicant.h

@@ -63,6 +63,7 @@ int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
 		       const char *pin, struct wps_new_ap_settings *settings);
 int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s);
 int wpas_wps_in_progress(struct wpa_supplicant *wpa_s);
+void wpas_wps_update_config(struct wpa_supplicant *wpa_s);
 
 #else /* CONFIG_WPS */