Merge branch 'moonshot' of ssh://moonshot.suchdamage.org:822/srv/git/libeap into...
[libeap.git] / wpa_supplicant / dbus / dbus_new.c
index 568bb62..bdfbbac 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * WPA Supplicant / dbus-based control interface
  * Copyright (c) 2006, Dan Williams <dcbw@redhat.com> and Red Hat, Inc.
- * Copyright (c) 2009, Witold Sowa <witold.sowa@gmail.com>
+ * Copyright (c) 2009-2010, Witold Sowa <witold.sowa@gmail.com>
  * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
  *
  * This program is free software; you can redistribute it and/or modify
 #include "dbus_common.h"
 #include "dbus_common_i.h"
 
-/**
- * wpas_dbus_set_path - Assign a dbus path to an interface
- * @wpa_s: wpa_supplicant interface structure
- * @path: dbus path to set on the interface
- * Returns: 0 on success, -1 on error
- */
-static int wpas_dbus_set_path(struct wpa_supplicant *wpa_s,
-                             const char *path)
-{
-       u32 len = os_strlen(path);
-       if (len >= WPAS_DBUS_OBJECT_PATH_MAX)
-               return -1;
-       if (wpa_s->dbus_new_path)
-               return -1;
-       wpa_s->dbus_new_path = os_strdup(path);
-       return 0;
-}
-
 
 /**
  * wpas_dbus_signal_interface - Send a interface related event signal
  * @wpa_s: %wpa_supplicant network interface data
  * @sig_name: signal name - InterfaceAdded or InterfaceRemoved
- * @properties: determines if add second argument with object properties
+ * @properties: Whether to add second argument with object properties
  *
  * Notify listeners about event related with interface
  */
@@ -59,9 +41,8 @@ static void wpas_dbus_signal_interface(struct wpa_supplicant *wpa_s,
                                       const char *sig_name, int properties)
 {
        struct wpas_dbus_priv *iface;
-       DBusMessage *_signal;
+       DBusMessage *msg;
        DBusMessageIter iter, iter_dict;
-       const char *path;
 
        iface = wpa_s->global->dbus;
 
@@ -69,32 +50,21 @@ static void wpas_dbus_signal_interface(struct wpa_supplicant *wpa_s,
        if (iface == NULL)
                return;
 
-       path = wpas_dbus_get_path(wpa_s);
-       if (path == NULL) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_interface[dbus]: "
-                          "Interface doesn't have a dbus path. "
-                          "Can't send signal.");
+       msg = dbus_message_new_signal(WPAS_DBUS_NEW_PATH,
+                                     WPAS_DBUS_NEW_INTERFACE, sig_name);
+       if (msg == NULL)
                return;
-       }
-       _signal = dbus_message_new_signal(WPAS_DBUS_NEW_PATH,
-                                         WPAS_DBUS_NEW_INTERFACE, sig_name);
-       if (_signal == NULL) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_interface[dbus]: "
-                          "enough memory to send scan results signal.");
-               return;
-       }
 
-       dbus_message_iter_init_append(_signal, &iter);
-
-       if(!dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
-                                          &path))
+       dbus_message_iter_init_append(msg, &iter);
+       if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
+                                           &wpa_s->dbus_new_path))
                goto err;
 
        if (properties) {
                if (!wpa_dbus_dict_open_write(&iter, &iter_dict))
                        goto err;
 
-               wpa_dbus_get_object_properties(iface, path,
+               wpa_dbus_get_object_properties(iface, wpa_s->dbus_new_path,
                                               WPAS_DBUS_NEW_IFACE_INTERFACE,
                                               &iter_dict);
 
@@ -102,27 +72,25 @@ static void wpas_dbus_signal_interface(struct wpa_supplicant *wpa_s,
                        goto err;
        }
 
-       dbus_connection_send(iface->con, _signal, NULL);
-
-       dbus_message_unref(_signal);
+       dbus_connection_send(iface->con, msg, NULL);
+       dbus_message_unref(msg);
        return;
 
 err:
-       wpa_printf(MSG_ERROR, "wpas_dbus_signal_interface[dbus]: "
-                  "not enough memory to construct signal.");
-       dbus_message_unref(_signal);
+       wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
+       dbus_message_unref(msg);
 }
 
 
 /**
- * wpas_dbus_signal_interface_created - Send a interface created signal
+ * wpas_dbus_signal_interface_added - Send a interface created signal
  * @wpa_s: %wpa_supplicant network interface data
  *
  * Notify listeners about creating new interface
  */
-static void wpas_dbus_signal_interface_created(struct wpa_supplicant *wpa_s)
+static void wpas_dbus_signal_interface_added(struct wpa_supplicant *wpa_s)
 {
-       wpas_dbus_signal_interface(wpa_s, "InterfaceCreated", TRUE);
+       wpas_dbus_signal_interface(wpa_s, "InterfaceAdded", TRUE);
 }
 
 
@@ -146,12 +114,10 @@ static void wpas_dbus_signal_interface_removed(struct wpa_supplicant *wpa_s)
  *
  * Notify listeners about finishing a scan
  */
-static void wpas_dbus_signal_scan_done(struct wpa_supplicant *wpa_s,
-                                      int success)
+void wpas_dbus_signal_scan_done(struct wpa_supplicant *wpa_s, int success)
 {
        struct wpas_dbus_priv *iface;
-       DBusMessage *_signal;
-       const char *path;
+       DBusMessage *msg;
        dbus_bool_t succ;
 
        iface = wpa_s->global->dbus;
@@ -160,30 +126,19 @@ static void wpas_dbus_signal_scan_done(struct wpa_supplicant *wpa_s,
        if (iface == NULL)
                return;
 
-       path = wpas_dbus_get_path(wpa_s);
-       if (path == NULL) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_scan_done[dbus]: "
-                          "Interface doesn't have a dbus path. "
-                          "Can't send signal.");
+       msg = dbus_message_new_signal(wpa_s->dbus_new_path,
+                                     WPAS_DBUS_NEW_IFACE_INTERFACE,
+                                     "ScanDone");
+       if (msg == NULL)
                return;
-       }
-       _signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_INTERFACE,
-                                         "ScanDone");
-       if (_signal == NULL) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_scan_done[dbus]: "
-                          "enough memory to send signal.");
-               return;
-       }
 
        succ = success ? TRUE : FALSE;
-       if (dbus_message_append_args(_signal, DBUS_TYPE_BOOLEAN, &succ,
-                                    DBUS_TYPE_INVALID)) {
-               dbus_connection_send(iface->con, _signal, NULL);
-       } else {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_scan_done[dbus]: "
-                          "not enough memory to construct signal.");
-       }
-       dbus_message_unref(_signal);
+       if (dbus_message_append_args(msg, DBUS_TYPE_BOOLEAN, &succ,
+                                    DBUS_TYPE_INVALID))
+               dbus_connection_send(iface->con, msg, NULL);
+       else
+               wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
+       dbus_message_unref(msg);
 }
 
 
@@ -192,7 +147,7 @@ static void wpas_dbus_signal_scan_done(struct wpa_supplicant *wpa_s,
  * @wpa_s: %wpa_supplicant network interface data
  * @bss_obj_path: BSS object path
  * @sig_name: signal name - BSSAdded or BSSRemoved
- * @properties: determines if add second argument with object properties
+ * @properties: Whether to add second argument with object properties
  *
  * Notify listeners about event related with BSS
  */
@@ -201,9 +156,8 @@ static void wpas_dbus_signal_bss(struct wpa_supplicant *wpa_s,
                                 const char *sig_name, int properties)
 {
        struct wpas_dbus_priv *iface;
-       DBusMessage *_signal;
+       DBusMessage *msg;
        DBusMessageIter iter, iter_dict;
-       const char *path;
 
        iface = wpa_s->global->dbus;
 
@@ -211,23 +165,13 @@ static void wpas_dbus_signal_bss(struct wpa_supplicant *wpa_s,
        if (iface == NULL)
                return;
 
-       path = wpas_dbus_get_path(wpa_s);
-       if (path == NULL) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_bss[dbus]: "
-                          "Interface doesn't have a dbus path. "
-                          "Can't send signal.");
-               return;
-       }
-       _signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_INTERFACE,
-                                         sig_name);
-       if (_signal == NULL) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_bss[dbus]: "
-                          "enough memory to send signal.");
+       msg = dbus_message_new_signal(wpa_s->dbus_new_path,
+                                     WPAS_DBUS_NEW_IFACE_INTERFACE,
+                                     sig_name);
+       if (msg == NULL)
                return;
-       }
-
-       dbus_message_iter_init_append(_signal, &iter);
 
+       dbus_message_iter_init_append(msg, &iter);
        if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
                                            &bss_obj_path))
                goto err;
@@ -237,22 +181,20 @@ static void wpas_dbus_signal_bss(struct wpa_supplicant *wpa_s,
                        goto err;
 
                wpa_dbus_get_object_properties(iface, bss_obj_path,
-                                              WPAS_DBUS_NEW_IFACE_BSSID,
+                                              WPAS_DBUS_NEW_IFACE_BSS,
                                               &iter_dict);
 
                if (!wpa_dbus_dict_close_write(&iter, &iter_dict))
                        goto err;
        }
 
-       dbus_connection_send(iface->con, _signal, NULL);
-
-       dbus_message_unref(_signal);
+       dbus_connection_send(iface->con, msg, NULL);
+       dbus_message_unref(msg);
        return;
 
 err:
-       wpa_printf(MSG_ERROR, "wpas_dbus_signal_bss[dbus]: "
-                  "not enough memory to construct signal.");
-       dbus_message_unref(_signal);
+       wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
+       dbus_message_unref(msg);
 }
 
 
@@ -296,8 +238,7 @@ static void wpas_dbus_signal_blob(struct wpa_supplicant *wpa_s,
                                  const char *name, const char *sig_name)
 {
        struct wpas_dbus_priv *iface;
-       DBusMessage *_signal;
-       const char *path;
+       DBusMessage *msg;
 
        iface = wpa_s->global->dbus;
 
@@ -305,29 +246,18 @@ static void wpas_dbus_signal_blob(struct wpa_supplicant *wpa_s,
        if (iface == NULL)
                return;
 
-       path = wpas_dbus_get_path(wpa_s);
-       if (path == NULL) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_blob[dbus]: "
-                          "Interface doesn't have a dbus path. "
-                          "Can't send signal.");
-               return;
-       }
-       _signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_INTERFACE,
-                                         sig_name);
-       if (_signal == NULL) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_blob[dbus]: "
-                          "enough memory to send signal.");
+       msg = dbus_message_new_signal(wpa_s->dbus_new_path,
+                                     WPAS_DBUS_NEW_IFACE_INTERFACE,
+                                     sig_name);
+       if (msg == NULL)
                return;
-       }
 
-       if (dbus_message_append_args(_signal, DBUS_TYPE_STRING, &name,
-                                    DBUS_TYPE_INVALID)) {
-               dbus_connection_send(iface->con, _signal, NULL);
-       } else {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_blob[dbus]: "
-                          "not enough memory to construct signal.");
-       }
-       dbus_message_unref(_signal);
+       if (dbus_message_append_args(msg, DBUS_TYPE_STRING, &name,
+                                    DBUS_TYPE_INVALID))
+               dbus_connection_send(iface->con, msg, NULL);
+       else
+               wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
+       dbus_message_unref(msg);
 }
 
 
@@ -338,8 +268,8 @@ static void wpas_dbus_signal_blob(struct wpa_supplicant *wpa_s,
  *
  * Notify listeners about adding a new blob
  */
-static void wpas_dbus_signal_blob_added(struct wpa_supplicant *wpa_s,
-                                       const char *name)
+void wpas_dbus_signal_blob_added(struct wpa_supplicant *wpa_s,
+                                const char *name)
 {
        wpas_dbus_signal_blob(wpa_s, name, "BlobAdded");
 }
@@ -352,8 +282,8 @@ static void wpas_dbus_signal_blob_added(struct wpa_supplicant *wpa_s,
  *
  * Notify listeners about removing blob
  */
-static void wpas_dbus_signal_blob_removed(struct wpa_supplicant *wpa_s,
-                                         const char *name)
+void wpas_dbus_signal_blob_removed(struct wpa_supplicant *wpa_s,
+                                  const char *name)
 {
        wpas_dbus_signal_blob(wpa_s, name, "BlobRemoved");
 }
@@ -373,10 +303,9 @@ static void wpas_dbus_signal_network(struct wpa_supplicant *wpa_s,
                                     int properties)
 {
        struct wpas_dbus_priv *iface;
-       DBusMessage *_signal;
+       DBusMessage *msg;
        DBusMessageIter iter, iter_dict;
-       const char *path;
-       char *net_obj_path;
+       char net_obj_path[WPAS_DBUS_OBJECT_PATH_MAX], *path;
 
        iface = wpa_s->global->dbus;
 
@@ -384,33 +313,20 @@ static void wpas_dbus_signal_network(struct wpa_supplicant *wpa_s,
        if (iface == NULL)
                return;
 
-       path = wpas_dbus_get_path(wpa_s);
-       if (path == NULL) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_network[dbus]: "
-                          "Interface doesn't have a dbus path. "
-                          "Can't send signal.");
-               return;
-       }
-
-       net_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
-       if (net_obj_path == NULL)
-               return;
        os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
-                   "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u", path, id);
-
-       _signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_INTERFACE,
-                                         sig_name);
-       if (_signal == NULL) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_network[dbus]: "
-                          "enough memory to send signal.");
-               os_free(net_obj_path);
-               return;
-       }
+                   "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
+                   wpa_s->dbus_new_path, id);
 
-       dbus_message_iter_init_append(_signal, &iter);
+       msg = dbus_message_new_signal(wpa_s->dbus_new_path,
+                                     WPAS_DBUS_NEW_IFACE_INTERFACE,
+                                     sig_name);
+       if (msg == NULL)
+               return;
 
+       dbus_message_iter_init_append(msg, &iter);
+       path = net_obj_path;
        if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH,
-                                           &net_obj_path))
+                                           &path))
                goto err;
 
        if (properties) {
@@ -425,17 +341,14 @@ static void wpas_dbus_signal_network(struct wpa_supplicant *wpa_s,
                        goto err;
        }
 
-       dbus_connection_send(iface->con, _signal, NULL);
+       dbus_connection_send(iface->con, msg, NULL);
 
-       os_free(net_obj_path);
-       dbus_message_unref(_signal);
+       dbus_message_unref(msg);
        return;
 
 err:
-       wpa_printf(MSG_ERROR, "wpas_dbus_signal_network[dbus]: "
-                  "not enough memory to construct signal.");
-       os_free(net_obj_path);
-       dbus_message_unref(_signal);
+       wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
+       dbus_message_unref(msg);
 }
 
 
@@ -474,110 +387,13 @@ static void wpas_dbus_signal_network_removed(struct wpa_supplicant *wpa_s,
  *
  * Notify listeners about selecting a network
  */
-static void wpas_dbus_signal_network_selected(struct wpa_supplicant *wpa_s,
-                                             int id)
+void wpas_dbus_signal_network_selected(struct wpa_supplicant *wpa_s, int id)
 {
        wpas_dbus_signal_network(wpa_s, id, "NetworkSelected", FALSE);
 }
 
 
 /**
- * wpas_dbus_signal_state_changed - Send a state changed signal
- * @wpa_s: %wpa_supplicant network interface data
- * @new_state: new state wpa_supplicant is entering
- * @old_state: old state wpa_supplicant is leaving
- *
- * Notify listeners that wpa_supplicant has changed state
- */
-static void wpas_dbus_signal_state_changed(struct wpa_supplicant *wpa_s,
-                                          enum wpa_states new_state,
-                                          enum wpa_states old_state)
-{
-       struct wpas_dbus_priv *iface;
-       DBusMessage *_signal = NULL;
-       const char *path;
-       char *new_state_str, *old_state_str;
-       char *tmp;
-
-       /* Do nothing if the control interface is not turned on */
-       if (wpa_s->global == NULL)
-               return;
-       iface = wpa_s->global->dbus;
-       if (iface == NULL)
-               return;
-
-       /* Only send signal if state really changed */
-       if (new_state == old_state)
-               return;
-
-       path = wpas_dbus_get_path(wpa_s);
-       if (path == NULL) {
-               perror("wpas_dbus_signal_state_changed[dbus]: "
-                      "interface didn't have a dbus path");
-               wpa_printf(MSG_ERROR,
-                          "wpas_dbus_signal_state_changed[dbus]: "
-                          "interface didn't have a dbus path; can't send "
-                          "signal.");
-               return;
-       }
-       _signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_INTERFACE,
-                                         "StateChanged");
-       if (_signal == NULL) {
-               perror("wpas_dbus_signal_state_changed[dbus]: "
-                      "couldn't create dbus signal; likely out of memory");
-               wpa_printf(MSG_ERROR,
-                          "wpas_dbus_signal_state_changed[dbus]: "
-                          "couldn't create dbus signal; likely out of "
-                          "memory.");
-               return;
-       }
-
-       new_state_str = os_strdup(wpa_supplicant_state_txt(new_state));
-       old_state_str = os_strdup(wpa_supplicant_state_txt(old_state));
-       if (new_state_str == NULL || old_state_str == NULL) {
-               perror("wpas_dbus_signal_state_changed[dbus]: "
-                      "couldn't convert state strings");
-               wpa_printf(MSG_ERROR,
-                          "wpas_dbus_signal_state_changed[dbus]: "
-                          "couldn't convert state strings.");
-               goto out;
-       }
-
-       /* make state string lowercase to fit new DBus API convention */
-       tmp = new_state_str;
-       while (*tmp) {
-               *tmp = tolower(*tmp);
-               tmp++;
-       }
-       tmp = old_state_str;
-       while (*tmp) {
-               *tmp = tolower(*tmp);
-               tmp++;
-       }
-
-       if (!dbus_message_append_args(_signal,
-                                     DBUS_TYPE_STRING, &new_state_str,
-                                     DBUS_TYPE_STRING, &old_state_str,
-                                     DBUS_TYPE_INVALID)) {
-               perror("wpas_dbus_signal_state_changed[dbus]: "
-                      "not enough memory to construct state change signal.");
-               wpa_printf(MSG_ERROR,
-                          "wpas_dbus_signal_state_changed[dbus]: "
-                          "not enough memory to construct state change "
-                          "signal.");
-               goto out;
-       }
-
-       dbus_connection_send(iface->con, _signal, NULL);
-
-out:
-       dbus_message_unref(_signal);
-       os_free(new_state_str);
-       os_free(old_state_str);
-}
-
-
-/**
  * wpas_dbus_signal_network_enabled_changed - Signals Enabled property changes
  * @wpa_s: %wpa_supplicant network interface data
  * @ssid: configured network which Enabled property has changed
@@ -585,22 +401,17 @@ out:
  * Sends PropertyChanged signals containing new value of Enabled property
  * for specified network
  */
-static void wpas_dbus_signal_network_enabled_changed(
-       struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
+void wpas_dbus_signal_network_enabled_changed(struct wpa_supplicant *wpa_s,
+                                             struct wpa_ssid *ssid)
 {
 
-       struct network_handler_args args = {wpa_s, ssid};
-
        char path[WPAS_DBUS_OBJECT_PATH_MAX];
        os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
                    "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%d",
-                   wpas_dbus_get_path(wpa_s), ssid->id);
+                   wpa_s->dbus_new_path, ssid->id);
 
-       wpa_dbus_signal_property_changed(wpa_s->global->dbus,
-                                        (WPADBusPropertyAccessor)
-                                        wpas_dbus_getter_enabled, &args,
-                                        path, WPAS_DBUS_NEW_IFACE_NETWORK,
-                                        "Enabled");
+       wpa_dbus_mark_property_changed(wpa_s->global->dbus, path,
+                                      WPAS_DBUS_NEW_IFACE_NETWORK, "Enabled");
 }
 
 
@@ -612,14 +423,13 @@ static void wpas_dbus_signal_network_enabled_changed(
  *
  * Sends Event dbus signal with name "success" and empty dict as arguments
  */
-static void wpas_dbus_signal_wps_event_success(struct wpa_supplicant *wpa_s)
+void wpas_dbus_signal_wps_event_success(struct wpa_supplicant *wpa_s)
 {
 
-       DBusMessage *_signal = NULL;
+       DBusMessage *msg;
        DBusMessageIter iter, dict_iter;
        struct wpas_dbus_priv *iface;
        char *key = "success";
-       const char *path;
 
        iface = wpa_s->global->dbus;
 
@@ -627,34 +437,21 @@ static void wpas_dbus_signal_wps_event_success(struct wpa_supplicant *wpa_s)
        if (iface == NULL)
                return;
 
-       path = wpas_dbus_get_path(wpa_s);
-       if (!path) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_success"
-                          "[dbus]: interface has no dbus path set");
-               return;
-       }
-
-       _signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_WPS,
-                                         "Event");
-       if (!_signal) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_success"
-                          "[dbus]: out of memory when creating a signal");
+       msg = dbus_message_new_signal(wpa_s->dbus_new_path,
+                                     WPAS_DBUS_NEW_IFACE_WPS, "Event");
+       if (msg == NULL)
                return;
-       }
 
-       dbus_message_iter_init_append(_signal, &iter);
+       dbus_message_iter_init_append(msg, &iter);
 
        if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &key) ||
            !wpa_dbus_dict_open_write(&iter, &dict_iter) ||
-           !wpa_dbus_dict_close_write(&iter, &dict_iter)) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_success"
-                          "[dbus]: out of memory");
-               goto out;
-       }
+           !wpa_dbus_dict_close_write(&iter, &dict_iter))
+               wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
+       else
+               dbus_connection_send(iface->con, msg, NULL);
 
-       dbus_connection_send(iface->con, _signal, NULL);
-out:
-       dbus_message_unref(_signal);
+       dbus_message_unref(msg);
 }
 
 
@@ -665,15 +462,14 @@ out:
  * Sends Event dbus signal with name "fail" and dictionary containing
  * "msg field with fail message number (int32) as arguments
  */
-static void wpas_dbus_signal_wps_event_fail(struct wpa_supplicant *wpa_s,
-                                           struct wps_event_fail *fail)
+void wpas_dbus_signal_wps_event_fail(struct wpa_supplicant *wpa_s,
+                                    struct wps_event_fail *fail)
 {
 
-       DBusMessage *_signal = NULL;
+       DBusMessage *msg;
        DBusMessageIter iter, dict_iter;
        struct wpas_dbus_priv *iface;
        char *key = "fail";
-       const char *path;
 
        iface = wpa_s->global->dbus;
 
@@ -681,35 +477,22 @@ static void wpas_dbus_signal_wps_event_fail(struct wpa_supplicant *wpa_s,
        if (iface == NULL)
                return;
 
-       path = wpas_dbus_get_path(wpa_s);
-       if (!path) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_fail[dbus]: "
-                          "interface has no dbus path set");
+       msg = dbus_message_new_signal(wpa_s->dbus_new_path,
+                                     WPAS_DBUS_NEW_IFACE_WPS, "Event");
+       if (msg == NULL)
                return;
-       }
 
-       _signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_WPS,
-                                         "Event");
-       if (!_signal) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_fail[dbus]: "
-                          "out of memory when creating a signal");
-               return;
-       }
-
-       dbus_message_iter_init_append(_signal, &iter);
+       dbus_message_iter_init_append(msg, &iter);
 
        if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &key) ||
            !wpa_dbus_dict_open_write(&iter, &dict_iter) ||
            !wpa_dbus_dict_append_int32(&dict_iter, "msg", fail->msg) ||
-           !wpa_dbus_dict_close_write(&iter, &dict_iter)) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_fail[dbus]: "
-                          "out of memory");
-               goto out;
-       }
+           !wpa_dbus_dict_close_write(&iter, &dict_iter))
+               wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
+       else
+               dbus_connection_send(iface->con, msg, NULL);
 
-       dbus_connection_send(iface->con, _signal, NULL);
-out:
-       dbus_message_unref(_signal);
+       dbus_message_unref(msg);
 }
 
 
@@ -720,15 +503,14 @@ out:
  * Sends Event dbus signal with name "m2d" and dictionary containing
  * fields of wps_event_m2d structure.
  */
-static void wpas_dbus_signal_wps_event_m2d(struct wpa_supplicant *wpa_s,
-                                          struct wps_event_m2d *m2d)
+void wpas_dbus_signal_wps_event_m2d(struct wpa_supplicant *wpa_s,
+                                   struct wps_event_m2d *m2d)
 {
 
-       DBusMessage *_signal = NULL;
+       DBusMessage *msg;
        DBusMessageIter iter, dict_iter;
        struct wpas_dbus_priv *iface;
        char *key = "m2d";
-       const char *path;
 
        iface = wpa_s->global->dbus;
 
@@ -736,59 +518,46 @@ static void wpas_dbus_signal_wps_event_m2d(struct wpa_supplicant *wpa_s,
        if (iface == NULL)
                return;
 
-       path = wpas_dbus_get_path(wpa_s);
-       if (!path) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_m2d[dbus]: "
-                          "interface has no dbus path set");
+       msg = dbus_message_new_signal(wpa_s->dbus_new_path,
+                                     WPAS_DBUS_NEW_IFACE_WPS, "Event");
+       if (msg == NULL)
                return;
-       }
 
-       _signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_WPS,
-                                         "Event");
-       if (!_signal) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_m2d[dbus]: "
-                          "out of memory when creating a signal");
-               return;
-       }
+       dbus_message_iter_init_append(msg, &iter);
 
-       dbus_message_iter_init_append(_signal, &iter);
-
-       if (!(dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &key) &&
-             wpa_dbus_dict_open_write(&iter, &dict_iter) &&
-             wpa_dbus_dict_append_uint16(&dict_iter, "config_methods",
-                                         m2d->config_methods) &&
-             wpa_dbus_dict_append_byte_array(&dict_iter, "manufacturer",
-                                             (const char *) m2d->manufacturer,
-                                             m2d->manufacturer_len) &&
-             wpa_dbus_dict_append_byte_array(&dict_iter, "model_name",
-                                             (const char *) m2d->model_name,
-                                             m2d->model_name_len) &&
-             wpa_dbus_dict_append_byte_array(&dict_iter, "model_number",
-                                             (const char *) m2d->model_number,
-                                             m2d->model_number_len) &&
-             wpa_dbus_dict_append_byte_array(&dict_iter, "serial_number",
-                                             (const char *)
-                                             m2d->serial_number,
-                                             m2d->serial_number_len) &&
-             wpa_dbus_dict_append_byte_array(&dict_iter, "dev_name",
-                                             (const char *) m2d->dev_name,
-                                             m2d->dev_name_len) &&
-             wpa_dbus_dict_append_byte_array(&dict_iter, "primary_dev_type",
-                                             (const char *)
-                                             m2d->primary_dev_type, 8) &&
-             wpa_dbus_dict_append_uint16(&dict_iter, "config_error",
-                                         m2d->config_error) &&
-             wpa_dbus_dict_append_uint16(&dict_iter, "dev_password_id",
-                                         m2d->dev_password_id) &&
-             wpa_dbus_dict_close_write(&iter, &dict_iter))) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_event_m2d[dbus]: "
-                          "out of memory");
-               goto out;
-       }
+       if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &key) ||
+           !wpa_dbus_dict_open_write(&iter, &dict_iter) ||
+           !wpa_dbus_dict_append_uint16(&dict_iter, "config_methods",
+                                        m2d->config_methods) ||
+           !wpa_dbus_dict_append_byte_array(&dict_iter, "manufacturer",
+                                            (const char *) m2d->manufacturer,
+                                            m2d->manufacturer_len) ||
+           !wpa_dbus_dict_append_byte_array(&dict_iter, "model_name",
+                                            (const char *) m2d->model_name,
+                                            m2d->model_name_len) ||
+           !wpa_dbus_dict_append_byte_array(&dict_iter, "model_number",
+                                            (const char *) m2d->model_number,
+                                            m2d->model_number_len) ||
+           !wpa_dbus_dict_append_byte_array(&dict_iter, "serial_number",
+                                            (const char *)
+                                            m2d->serial_number,
+                                            m2d->serial_number_len) ||
+           !wpa_dbus_dict_append_byte_array(&dict_iter, "dev_name",
+                                            (const char *) m2d->dev_name,
+                                            m2d->dev_name_len) ||
+           !wpa_dbus_dict_append_byte_array(&dict_iter, "primary_dev_type",
+                                            (const char *)
+                                            m2d->primary_dev_type, 8) ||
+           !wpa_dbus_dict_append_uint16(&dict_iter, "config_error",
+                                        m2d->config_error) ||
+           !wpa_dbus_dict_append_uint16(&dict_iter, "dev_password_id",
+                                        m2d->dev_password_id) ||
+           !wpa_dbus_dict_close_write(&iter, &dict_iter))
+               wpa_printf(MSG_ERROR, "dbus: Failed to construct signal");
+       else
+               dbus_connection_send(iface->con, msg, NULL);
 
-       dbus_connection_send(iface->con, _signal, NULL);
-out:
-       dbus_message_unref(_signal);
+       dbus_message_unref(msg);
 }
 
 
@@ -798,13 +567,12 @@ out:
  *
  * Sends signal with credentials in directory argument
  */
-static void wpas_dbus_signal_wps_cred(struct wpa_supplicant *wpa_s,
-                                     const struct wps_credential *cred)
+void wpas_dbus_signal_wps_cred(struct wpa_supplicant *wpa_s,
+                              const struct wps_credential *cred)
 {
-       DBusMessage *_signal = NULL;
+       DBusMessage *msg;
        DBusMessageIter iter, dict_iter;
        struct wpas_dbus_priv *iface;
-       const char *path;
        char *auth_type[6]; /* we have six possible authorization types */
        int at_num = 0;
        char *encr_type[4]; /* we have four possible encryption types */
@@ -816,28 +584,15 @@ static void wpas_dbus_signal_wps_cred(struct wpa_supplicant *wpa_s,
        if (iface == NULL)
                return;
 
-       path = wpas_dbus_get_path(wpa_s);
-       if (!path) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_cred[dbus]: "
-                          "interface has no dbus path set");
+       msg = dbus_message_new_signal(wpa_s->dbus_new_path,
+                                     WPAS_DBUS_NEW_IFACE_WPS,
+                                     "Credentials");
+       if (msg == NULL)
                return;
-       }
 
-       _signal = dbus_message_new_signal(path, WPAS_DBUS_NEW_IFACE_WPS,
-                                         "Credentials");
-       if (!_signal) {
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_wps_cred[dbus]: "
-                          "out of memory when creating a signal");
-               return;
-       }
-
-       dbus_message_iter_init_append(_signal, &iter);
-
-       if (!wpa_dbus_dict_open_write(&iter, &dict_iter)) {
-               perror("wpas_dbus_signal_wps_cred[dbus]: out of memory "
-                      "when opening a dictionary");
+       dbus_message_iter_init_append(msg, &iter);
+       if (!wpa_dbus_dict_open_write(&iter, &dict_iter))
                goto nomem;
-       }
 
        if (cred->auth_type & WPS_AUTH_OPEN)
                auth_type[at_num++] = "open";
@@ -866,42 +621,31 @@ static void wpas_dbus_signal_wps_cred(struct wpa_supplicant *wpa_s,
                if (!wpa_dbus_dict_append_byte_array(
                            &dict_iter, "BSSID",
                            (const char *) wpa_s->current_ssid->bssid,
-                           ETH_ALEN)) {
-                       perror("wpas_dbus_signal_wps_cred[dbus]: out of "
-                              "memory when appending bssid to dictionary");
+                           ETH_ALEN))
                        goto nomem;
-               }
        }
 
-       if (!(wpa_dbus_dict_append_byte_array(&dict_iter, "SSID",
-                                             (const char *) cred->ssid,
-                                             cred->ssid_len) &&
-             wpa_dbus_dict_append_string_array(&dict_iter, "AuthType",
-                                               (const char **) auth_type,
-                                               at_num) &&
-             wpa_dbus_dict_append_string_array(&dict_iter, "EncrType",
-                                               (const char **) encr_type,
-                                               et_num) &&
-             wpa_dbus_dict_append_byte_array(&dict_iter, "Key",
-                                             (const char *) cred->key,
-                                             cred->key_len) &&
-             wpa_dbus_dict_append_uint32(&dict_iter, "KeyIndex",
-                                         cred->key_idx))) {
-               perror("wpas_dbus_signal_wps_cred[dbus]: out of memory "
-                      "when appending to dictionary");
+       if (!wpa_dbus_dict_append_byte_array(&dict_iter, "SSID",
+                                            (const char *) cred->ssid,
+                                            cred->ssid_len) ||
+           !wpa_dbus_dict_append_string_array(&dict_iter, "AuthType",
+                                              (const char **) auth_type,
+                                              at_num) ||
+           !wpa_dbus_dict_append_string_array(&dict_iter, "EncrType",
+                                              (const char **) encr_type,
+                                              et_num) ||
+           !wpa_dbus_dict_append_byte_array(&dict_iter, "Key",
+                                            (const char *) cred->key,
+                                            cred->key_len) ||
+           !wpa_dbus_dict_append_uint32(&dict_iter, "KeyIndex",
+                                        cred->key_idx) ||
+           !wpa_dbus_dict_close_write(&iter, &dict_iter))
                goto nomem;
-       }
 
-       if (!wpa_dbus_dict_close_write(&iter, &dict_iter)) {
-               perror("wpas_dbus_signal_wps_cred[dbus]: out of memory "
-                      "when closing a dictionary");
-               goto nomem;
-       }
-
-       dbus_connection_send(iface->con, _signal, NULL);
+       dbus_connection_send(iface->con, msg, NULL);
 
 nomem:
-       dbus_message_unref(_signal);
+       dbus_message_unref(msg);
 }
 
 #endif /* CONFIG_WPS */
@@ -915,130 +659,174 @@ nomem:
  * Sends ProertyChanged signals with path, interface and arguments
  * depending on which property has changed.
  */
-static void wpas_dbus_signal_prop_changed(struct wpa_supplicant *wpa_s,
-                                         enum wpas_dbus_prop property)
+void wpas_dbus_signal_prop_changed(struct wpa_supplicant *wpa_s,
+                                  enum wpas_dbus_prop property)
 {
        WPADBusPropertyAccessor getter;
-       char *iface;
        char *prop;
-       void *arg;
+
+       if (wpa_s->dbus_new_path == NULL)
+               return; /* Skip signal since D-Bus setup is not yet ready */
 
        switch (property) {
        case WPAS_DBUS_PROP_AP_SCAN:
                getter = (WPADBusPropertyAccessor) wpas_dbus_getter_ap_scan;
-               arg = wpa_s;
-               iface = WPAS_DBUS_NEW_IFACE_INTERFACE;
                prop = "ApScan";
                break;
        case WPAS_DBUS_PROP_SCANNING:
                getter = (WPADBusPropertyAccessor) wpas_dbus_getter_scanning;
-               arg = wpa_s;
-               iface = WPAS_DBUS_NEW_IFACE_INTERFACE;
                prop = "Scanning";
                break;
+       case WPAS_DBUS_PROP_STATE:
+               getter = (WPADBusPropertyAccessor) wpas_dbus_getter_state;
+               prop = "State";
+               break;
        case WPAS_DBUS_PROP_CURRENT_BSS:
                getter = (WPADBusPropertyAccessor)
                        wpas_dbus_getter_current_bss;
-               arg = wpa_s;
-               iface = WPAS_DBUS_NEW_IFACE_INTERFACE;
                prop = "CurrentBSS";
                break;
        case WPAS_DBUS_PROP_CURRENT_NETWORK:
                getter = (WPADBusPropertyAccessor)
                        wpas_dbus_getter_current_network;
-               arg = wpa_s;
-               iface = WPAS_DBUS_NEW_IFACE_INTERFACE;
                prop = "CurrentNetwork";
                break;
        default:
-               wpa_printf(MSG_ERROR, "wpas_dbus_signal_prop_changed[dbus]: "
-                          "Unknown Property enum value %d", property);
+               wpa_printf(MSG_ERROR, "dbus: %s: Unknown Property value %d",
+                          __func__, property);
                return;
        }
 
-       wpa_dbus_signal_property_changed(wpa_s->global->dbus,
-                                        getter, arg,
-                                        wpas_dbus_get_path(wpa_s), iface,
-                                        prop);
+       wpa_dbus_mark_property_changed(wpa_s->global->dbus,
+                                      wpa_s->dbus_new_path,
+                                      WPAS_DBUS_NEW_IFACE_INTERFACE, prop);
 }
 
 
 /**
- * wpas_dbus_signal_debug_params_changed - Signals change of debug params
- * @global: wpa_global structure
+ * wpas_dbus_bss_signal_prop_changed - Signals change of BSS property
+ * @wpa_s: %wpa_supplicant network interface data
+ * @property: indicates which property has changed
+ * @id: unique BSS identifier
  *
- * Sends ProertyChanged signals informing that debug params has changed.
+ * Sends PropertyChanged signals with path, interface, and arguments depending
+ * on which property has changed.
  */
-static void wpas_dbus_signal_debug_params_changed(struct wpa_global *global)
+void wpas_dbus_bss_signal_prop_changed(struct wpa_supplicant *wpa_s,
+                                      enum wpas_dbus_bss_prop property,
+                                      unsigned int id)
 {
+       char path[WPAS_DBUS_OBJECT_PATH_MAX];
+       char *prop;
+
+       switch (property) {
+       case WPAS_DBUS_BSS_PROP_SIGNAL:
+               prop = "Signal";
+               break;
+       case WPAS_DBUS_BSS_PROP_FREQ:
+               prop = "Frequency";
+               break;
+       case WPAS_DBUS_BSS_PROP_MODE:
+               prop = "Mode";
+               break;
+       case WPAS_DBUS_BSS_PROP_PRIVACY:
+               prop = "Privacy";
+               break;
+       case WPAS_DBUS_BSS_PROP_RATES:
+               prop = "Rates";
+               break;
+       case WPAS_DBUS_BSS_PROP_WPA:
+               prop = "WPA";
+               break;
+       case WPAS_DBUS_BSS_PROP_RSN:
+               prop = "RSN";
+               break;
+       case WPAS_DBUS_BSS_PROP_IES:
+               prop = "IEs";
+               break;
+       default:
+               wpa_printf(MSG_ERROR, "dbus: %s: Unknown Property value %d",
+                          __func__, property);
+               return;
+       }
+
+       os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
+                   "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
+                   wpa_s->dbus_new_path, id);
 
-       wpa_dbus_signal_property_changed(global->dbus,
-                                        (WPADBusPropertyAccessor)
-                                        wpas_dbus_getter_debug_params,
-                                        global, WPAS_DBUS_NEW_PATH,
-                                        WPAS_DBUS_NEW_INTERFACE,
-                                        "DebugParams");
+       wpa_dbus_mark_property_changed(wpa_s->global->dbus, path,
+                                      WPAS_DBUS_NEW_IFACE_BSS, prop);
 }
 
 
-struct wpas_dbus_method {
-       const char *name;
-       const char *iface;
-       WPADBusMethodHandler handler;
-       struct wpa_dbus_argument args[3];
-};
+/**
+ * wpas_dbus_signal_debug_level_changed - Signals change of debug param
+ * @global: wpa_global structure
+ *
+ * Sends ProertyChanged signals informing that debug level has changed.
+ */
+void wpas_dbus_signal_debug_level_changed(struct wpa_global *global)
+{
+       wpa_dbus_mark_property_changed(global->dbus, WPAS_DBUS_NEW_PATH,
+                                      WPAS_DBUS_NEW_INTERFACE,
+                                      "DebugLevel");
+}
 
-struct wpas_dbus_property {
-       const char *name;
-       const char *iface;
-       const char *type;
-       WPADBusPropertyAccessor getter;
-       WPADBusPropertyAccessor setter;
-       enum dbus_prop_access _access;
-};
 
-struct wpas_dbus_signal {
-       const char *name;
-       const char *iface;
-       struct wpa_dbus_argument args[3];
-};
+/**
+ * wpas_dbus_signal_debug_timestamp_changed - Signals change of debug param
+ * @global: wpa_global structure
+ *
+ * Sends ProertyChanged signals informing that debug timestamp has changed.
+ */
+void wpas_dbus_signal_debug_timestamp_changed(struct wpa_global *global)
+{
+       wpa_dbus_mark_property_changed(global->dbus, WPAS_DBUS_NEW_PATH,
+                                      WPAS_DBUS_NEW_INTERFACE,
+                                      "DebugTimestamp");
+}
+
+
+/**
+ * wpas_dbus_signal_debug_show_keys_changed - Signals change of debug param
+ * @global: wpa_global structure
+ *
+ * Sends ProertyChanged signals informing that debug show_keys has changed.
+ */
+void wpas_dbus_signal_debug_show_keys_changed(struct wpa_global *global)
+{
+       wpa_dbus_mark_property_changed(global->dbus, WPAS_DBUS_NEW_PATH,
+                                      WPAS_DBUS_NEW_INTERFACE,
+                                      "DebugShowKeys");
+}
 
 
 static void wpas_dbus_register(struct wpa_dbus_object_desc *obj_desc,
                               void *priv,
                               WPADBusArgumentFreeFunction priv_free,
-                              const struct wpas_dbus_method *methods,
-                              const struct wpas_dbus_property *properties,
-                              const struct wpas_dbus_signal *signals)
+                              const struct wpa_dbus_method_desc *methods,
+                              const struct wpa_dbus_property_desc *properties,
+                              const struct wpa_dbus_signal_desc *signals)
 {
-       int i;
+       int n;
 
        obj_desc->user_data = priv;
        obj_desc->user_data_free_func = priv_free;
+       obj_desc->methods = methods;
+       obj_desc->properties = properties;
+       obj_desc->signals = signals;
 
-       for (i = 0; methods && methods[i].name; i++) {
-               wpa_dbus_method_register(obj_desc, methods[i].iface,
-                                        methods[i].name, methods[i].handler,
-                                        methods[i].args);
-       }
-
-       for (i = 0; properties && properties[i].name; i++) {
-               wpa_dbus_property_register(obj_desc, properties[i].iface,
-                                          properties[i].name,
-                                          properties[i].type,
-                                          properties[i].getter,
-                                          properties[i].setter,
-                                          properties[i]._access);
-       }
+       for (n = 0; properties && properties->dbus_property; properties++)
+               n++;
 
-       for (i = 0; signals && signals[i].name; i++) {
-               wpa_dbus_signal_register(obj_desc, signals[i].iface,
-                                        signals[i].name, signals[i].args);
-       }
+       obj_desc->prop_changed_flags = os_zalloc(n);
+       if (!obj_desc->prop_changed_flags)
+               wpa_printf(MSG_DEBUG, "dbus: %s: can't register handlers",
+                          __func__);
 }
 
 
-static const struct wpas_dbus_method wpas_dbus_global_methods[] = {
+static const struct wpa_dbus_method_desc wpas_dbus_global_methods[] = {
        { "CreateInterface", WPAS_DBUS_NEW_INTERFACE,
          (WPADBusMethodHandler) &wpas_dbus_handler_create_interface,
          {
@@ -1065,10 +853,20 @@ static const struct wpas_dbus_method wpas_dbus_global_methods[] = {
        { NULL, NULL, NULL, { END_ARGS } }
 };
 
-static const struct wpas_dbus_property wpas_dbus_global_properties[] = {
-       { "DebugParams", WPAS_DBUS_NEW_INTERFACE, "(ibb)",
-         (WPADBusPropertyAccessor) &wpas_dbus_getter_debug_params,
-         (WPADBusPropertyAccessor) &wpas_dbus_setter_debug_params,
+static const struct wpa_dbus_property_desc wpas_dbus_global_properties[] = {
+       { "DebugLevel", WPAS_DBUS_NEW_INTERFACE, "s",
+         (WPADBusPropertyAccessor) wpas_dbus_getter_debug_level,
+         (WPADBusPropertyAccessor) wpas_dbus_setter_debug_level,
+         RW
+       },
+       { "DebugTimestamp", WPAS_DBUS_NEW_INTERFACE, "b",
+         (WPADBusPropertyAccessor) wpas_dbus_getter_debug_timestamp,
+         (WPADBusPropertyAccessor) wpas_dbus_setter_debug_timestamp,
+         RW
+       },
+       { "DebugShowKeys", WPAS_DBUS_NEW_INTERFACE, "b",
+         (WPADBusPropertyAccessor) wpas_dbus_getter_debug_show_keys,
+         (WPADBusPropertyAccessor) wpas_dbus_setter_debug_show_keys,
          RW
        },
        { "Interfaces", WPAS_DBUS_NEW_INTERFACE, "ao",
@@ -1084,7 +882,7 @@ static const struct wpas_dbus_property wpas_dbus_global_properties[] = {
        { NULL, NULL, NULL, NULL, NULL, 0 }
 };
 
-static const struct wpas_dbus_signal wpas_dbus_global_signals[] = {
+static const struct wpa_dbus_signal_desc wpas_dbus_global_signals[] = {
        { "InterfaceAdded", WPAS_DBUS_NEW_INTERFACE,
          {
                  { "path", "o", ARG_OUT },
@@ -1172,7 +970,7 @@ static void wpa_dbus_free(void *ptr)
 }
 
 
-static const struct wpas_dbus_property wpas_dbus_network_properties[] = {
+static const struct wpa_dbus_property_desc wpas_dbus_network_properties[] = {
        { "Properties", WPAS_DBUS_NEW_IFACE_NETWORK, "a{sv}",
          (WPADBusPropertyAccessor) wpas_dbus_getter_network_properties,
          (WPADBusPropertyAccessor) wpas_dbus_setter_network_properties,
@@ -1187,7 +985,7 @@ static const struct wpas_dbus_property wpas_dbus_network_properties[] = {
 };
 
 
-static const struct wpas_dbus_signal wpas_dbus_network_signals[] = {
+static const struct wpa_dbus_signal_desc wpas_dbus_network_signals[] = {
        { "PropertiesChanged", WPAS_DBUS_NEW_IFACE_NETWORK,
          {
                  { "properties", "a{sv}", ARG_OUT },
@@ -1206,15 +1004,13 @@ static const struct wpas_dbus_signal wpas_dbus_network_signals[] = {
  *
  * Registers network representing object with dbus
  */
-static int wpas_dbus_register_network(struct wpa_supplicant *wpa_s,
-                                     struct wpa_ssid *ssid)
+int wpas_dbus_register_network(struct wpa_supplicant *wpa_s,
+                              struct wpa_ssid *ssid)
 {
        struct wpas_dbus_priv *ctrl_iface;
        struct wpa_dbus_object_desc *obj_desc;
-
-       struct network_handler_args *arg = NULL;
-
-       char *net_obj_path;
+       struct network_handler_args *arg;
+       char net_obj_path[WPAS_DBUS_OBJECT_PATH_MAX];
 
        /* Do nothing if the control interface is not turned on */
        if (wpa_s == NULL || wpa_s->global == NULL)
@@ -1223,12 +1019,9 @@ static int wpas_dbus_register_network(struct wpa_supplicant *wpa_s,
        if (ctrl_iface == NULL)
                return 0;
 
-       net_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
-       if (net_obj_path == NULL)
-               return -1;
        os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
                    "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
-                   wpas_dbus_get_path(wpa_s), ssid->id);
+                   wpa_s->dbus_new_path, ssid->id);
 
        wpa_printf(MSG_DEBUG, "dbus: Register network object '%s'",
                   net_obj_path);
@@ -1260,13 +1053,10 @@ static int wpas_dbus_register_network(struct wpa_supplicant *wpa_s,
 
        wpas_dbus_signal_network_added(wpa_s, ssid->id);
 
-       os_free(net_obj_path);
        return 0;
 
 err:
-       os_free(net_obj_path);
-       os_free(obj_desc);
-       os_free(arg);
+       free_dbus_object_desc(obj_desc);
        return -1;
 }
 
@@ -1279,25 +1069,23 @@ err:
  *
  * Unregisters network representing object from dbus
  */
-static int wpas_dbus_unregister_network(struct wpa_supplicant *wpa_s, int nid)
+int wpas_dbus_unregister_network(struct wpa_supplicant *wpa_s, int nid)
 {
        struct wpas_dbus_priv *ctrl_iface;
-       char *net_obj_path;
+       char net_obj_path[WPAS_DBUS_OBJECT_PATH_MAX];
        int ret;
 
        /* Do nothing if the control interface is not turned on */
-       if (wpa_s == NULL || wpa_s->global == NULL)
+       if (wpa_s == NULL || wpa_s->global == NULL ||
+           wpa_s->dbus_new_path == NULL)
                return 0;
        ctrl_iface = wpa_s->global->dbus;
        if (ctrl_iface == NULL)
                return 0;
 
-       net_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
-       if (net_obj_path == NULL)
-               return -1;
        os_snprintf(net_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
                    "%s/" WPAS_DBUS_NEW_NETWORKS_PART "/%u",
-                   wpas_dbus_get_path(wpa_s), nid);
+                   wpa_s->dbus_new_path, nid);
 
        wpa_printf(MSG_DEBUG, "dbus: Unregister network object '%s'",
                   net_obj_path);
@@ -1306,59 +1094,58 @@ static int wpas_dbus_unregister_network(struct wpa_supplicant *wpa_s, int nid)
        if (!ret)
                wpas_dbus_signal_network_removed(wpa_s, nid);
 
-       os_free(net_obj_path);
        return ret;
 }
 
 
-static const struct wpas_dbus_property wpas_dbus_bss_properties[] = {
-       { "SSID", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
+static const struct wpa_dbus_property_desc wpas_dbus_bss_properties[] = {
+       { "SSID", WPAS_DBUS_NEW_IFACE_BSS, "ay",
          (WPADBusPropertyAccessor) wpas_dbus_getter_bss_ssid,
          NULL,
          R
        },
-       { "BSSID", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
+       { "BSSID", WPAS_DBUS_NEW_IFACE_BSS, "ay",
          (WPADBusPropertyAccessor) wpas_dbus_getter_bss_bssid,
          NULL,
          R
        },
-       { "Privacy", WPAS_DBUS_NEW_IFACE_BSSID, "b",
+       { "Privacy", WPAS_DBUS_NEW_IFACE_BSS, "b",
          (WPADBusPropertyAccessor) wpas_dbus_getter_bss_privacy,
          NULL,
          R
        },
-       { "Mode", WPAS_DBUS_NEW_IFACE_BSSID, "s",
+       { "Mode", WPAS_DBUS_NEW_IFACE_BSS, "s",
          (WPADBusPropertyAccessor) wpas_dbus_getter_bss_mode,
          NULL,
          R
        },
-       { "Signal", WPAS_DBUS_NEW_IFACE_BSSID, "n",
+       { "Signal", WPAS_DBUS_NEW_IFACE_BSS, "n",
          (WPADBusPropertyAccessor) wpas_dbus_getter_bss_signal,
          NULL,
          R
        },
-       { "Frequency", WPAS_DBUS_NEW_IFACE_BSSID, "q",
+       { "Frequency", WPAS_DBUS_NEW_IFACE_BSS, "q",
          (WPADBusPropertyAccessor) wpas_dbus_getter_bss_frequency,
          NULL,
          R
        },
-       { "MaxRate", WPAS_DBUS_NEW_IFACE_BSSID, "q",
-         (WPADBusPropertyAccessor) wpas_dbus_getter_bss_max_rate,
+       { "Rates", WPAS_DBUS_NEW_IFACE_BSS, "au",
+         (WPADBusPropertyAccessor) wpas_dbus_getter_bss_rates,
          NULL,
          R
        },
-       { "WPAIE", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
-         (WPADBusPropertyAccessor) wpas_dbus_getter_bss_wpaie,
+       { "WPA", WPAS_DBUS_NEW_IFACE_BSS, "a{sv}",
+         (WPADBusPropertyAccessor) wpas_dbus_getter_bss_wpa,
          NULL,
          R
        },
-       { "RSNIE", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
-         (WPADBusPropertyAccessor) wpas_dbus_getter_bss_rsnie,
+       { "RSN", WPAS_DBUS_NEW_IFACE_BSS, "a{sv}",
+         (WPADBusPropertyAccessor) wpas_dbus_getter_bss_rsn,
          NULL,
          R
        },
-       { "WPSIE", WPAS_DBUS_NEW_IFACE_BSSID, "ay",
-         (WPADBusPropertyAccessor) wpas_dbus_getter_bss_wpsie,
+       { "IEs", WPAS_DBUS_NEW_IFACE_BSS, "ay",
+         (WPADBusPropertyAccessor) wpas_dbus_getter_bss_ies,
          NULL,
          R
        },
@@ -1366,8 +1153,8 @@ static const struct wpas_dbus_property wpas_dbus_bss_properties[] = {
 };
 
 
-static const struct wpas_dbus_signal wpas_dbus_bss_signals[] = {
-       { "PropertiesChanged", WPAS_DBUS_NEW_IFACE_BSSID,
+static const struct wpa_dbus_signal_desc wpas_dbus_bss_signals[] = {
+       { "PropertiesChanged", WPAS_DBUS_NEW_IFACE_BSS,
          {
                  { "properties", "a{sv}", ARG_OUT },
                  END_ARGS
@@ -1386,11 +1173,11 @@ static const struct wpas_dbus_signal wpas_dbus_bss_signals[] = {
  *
  * Unregisters BSS representing object from dbus
  */
-static int wpas_dbus_unregister_bss(struct wpa_supplicant *wpa_s,
-                                   u8 bssid[ETH_ALEN], unsigned int id)
+int wpas_dbus_unregister_bss(struct wpa_supplicant *wpa_s,
+                            u8 bssid[ETH_ALEN], unsigned int id)
 {
        struct wpas_dbus_priv *ctrl_iface;
-       char *bss_obj_path;
+       char bss_obj_path[WPAS_DBUS_OBJECT_PATH_MAX];
 
        /* Do nothing if the control interface is not turned on */
        if (wpa_s == NULL || wpa_s->global == NULL)
@@ -1399,27 +1186,20 @@ static int wpas_dbus_unregister_bss(struct wpa_supplicant *wpa_s,
        if (ctrl_iface == NULL)
                return 0;
 
-       bss_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
-       if (bss_obj_path == NULL)
-               return -1;
-
        os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
                    "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
-                   wpas_dbus_get_path(wpa_s), id);
+                   wpa_s->dbus_new_path, id);
 
        wpa_printf(MSG_DEBUG, "dbus: Unregister BSS object '%s'",
                   bss_obj_path);
        if (wpa_dbus_unregister_object_per_iface(ctrl_iface, bss_obj_path)) {
-               wpa_printf(MSG_ERROR,
-                          "Cannot unregister BSSID dbus object %s.",
+               wpa_printf(MSG_ERROR, "dbus: Cannot unregister BSS object %s",
                           bss_obj_path);
-               os_free(bss_obj_path);
                return -1;
        }
 
        wpas_dbus_signal_bss_removed(wpa_s, bss_obj_path);
 
-       os_free(bss_obj_path);
        return 0;
 }
 
@@ -1433,14 +1213,13 @@ static int wpas_dbus_unregister_bss(struct wpa_supplicant *wpa_s,
  *
  * Registers BSS representing object with dbus
  */
-static int wpas_dbus_register_bss(struct wpa_supplicant *wpa_s,
-                                 u8 bssid[ETH_ALEN], unsigned int id)
+int wpas_dbus_register_bss(struct wpa_supplicant *wpa_s,
+                          u8 bssid[ETH_ALEN], unsigned int id)
 {
        struct wpas_dbus_priv *ctrl_iface;
        struct wpa_dbus_object_desc *obj_desc;
-       char *bss_obj_path;
-
-       struct bss_handler_args *arg = NULL;
+       char bss_obj_path[WPAS_DBUS_OBJECT_PATH_MAX];
+       struct bss_handler_args *arg;
 
        /* Do nothing if the control interface is not turned on */
        if (wpa_s == NULL || wpa_s->global == NULL)
@@ -1449,13 +1228,9 @@ static int wpas_dbus_register_bss(struct wpa_supplicant *wpa_s,
        if (ctrl_iface == NULL)
                return 0;
 
-       bss_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
-       if (bss_obj_path == NULL)
-               return -1;
-
        os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
                    "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
-                   wpas_dbus_get_path(wpa_s), id);
+                   wpa_s->dbus_new_path, id);
 
        obj_desc = os_zalloc(sizeof(struct wpa_dbus_object_desc));
        if (!obj_desc) {
@@ -1489,18 +1264,15 @@ static int wpas_dbus_register_bss(struct wpa_supplicant *wpa_s,
 
        wpas_dbus_signal_bss_added(wpa_s, bss_obj_path);
 
-       os_free(bss_obj_path);
        return 0;
 
 err:
-       os_free(bss_obj_path);
-       os_free(obj_desc);
-       os_free(arg);
+       free_dbus_object_desc(obj_desc);
        return -1;
 }
 
 
-static const struct wpas_dbus_method wpas_dbus_interface_methods[] = {
+static const struct wpa_dbus_method_desc wpas_dbus_interface_methods[] = {
        { "Scan", WPAS_DBUS_NEW_IFACE_INTERFACE,
          (WPADBusMethodHandler) &wpas_dbus_handler_scan,
          {
@@ -1572,7 +1344,7 @@ static const struct wpas_dbus_method wpas_dbus_interface_methods[] = {
        { NULL, NULL, NULL, { END_ARGS } }
 };
 
-static const struct wpas_dbus_property wpas_dbus_interface_properties[] = {
+static const struct wpa_dbus_property_desc wpas_dbus_interface_properties[] = {
        { "Capabilities", WPAS_DBUS_NEW_IFACE_INTERFACE, "a{sv}",
          (WPADBusPropertyAccessor) wpas_dbus_getter_capabilities,
          NULL, R
@@ -1632,20 +1404,13 @@ static const struct wpas_dbus_property wpas_dbus_interface_properties[] = {
        { NULL, NULL, NULL, NULL, NULL, 0 }
 };
 
-static const struct wpas_dbus_signal wpas_dbus_interface_signals[] = {
+static const struct wpa_dbus_signal_desc wpas_dbus_interface_signals[] = {
        { "ScanDone", WPAS_DBUS_NEW_IFACE_INTERFACE,
          {
                  { "success", "b", ARG_OUT },
                  END_ARGS
          }
        },
-       { "StateChanged", WPAS_DBUS_NEW_IFACE_INTERFACE,
-         {
-                 { "newState", "s", ARG_OUT },
-                 { "oldState", "s", ARG_OUT },
-                 END_ARGS
-         }
-       },
        { "BSSAdded", WPAS_DBUS_NEW_IFACE_INTERFACE,
          {
                  { "path", "o", ARG_OUT },
@@ -1721,11 +1486,10 @@ static const struct wpas_dbus_signal wpas_dbus_interface_signals[] = {
 };
 
 
-static int wpas_dbus_register_interface(struct wpa_supplicant *wpa_s)
+int wpas_dbus_register_interface(struct wpa_supplicant *wpa_s)
 {
 
        struct wpa_dbus_object_desc *obj_desc = NULL;
-       char *path;
        struct wpas_dbus_priv *ctrl_iface = wpa_s->global->dbus;
        int next;
 
@@ -1734,19 +1498,13 @@ static int wpas_dbus_register_interface(struct wpa_supplicant *wpa_s)
                return 0;
 
        /* Create and set the interface's object path */
-       path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
-       if (path == NULL)
+       wpa_s->dbus_new_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
+       if (wpa_s->dbus_new_path == NULL)
                return -1;
        next = ctrl_iface->next_objid++;
-       os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
+       os_snprintf(wpa_s->dbus_new_path, WPAS_DBUS_OBJECT_PATH_MAX,
                    WPAS_DBUS_NEW_PATH_INTERFACES "/%u",
                    next);
-       if (wpas_dbus_set_path(wpa_s, path)) {
-               wpa_printf(MSG_DEBUG,
-                          "Failed to set dbus path for interface %s",
-                          wpa_s->ifname);
-               goto err;
-       }
 
        obj_desc = os_zalloc(sizeof(struct wpa_dbus_object_desc));
        if (!obj_desc) {
@@ -1759,24 +1517,26 @@ static int wpas_dbus_register_interface(struct wpa_supplicant *wpa_s)
                           wpas_dbus_interface_properties,
                           wpas_dbus_interface_signals);
 
-       wpa_printf(MSG_DEBUG, "dbus: Register interface object '%s'", path);
-       if (wpa_dbus_register_object_per_iface(ctrl_iface, path, wpa_s->ifname,
-                                              obj_desc))
+       wpa_printf(MSG_DEBUG, "dbus: Register interface object '%s'",
+                  wpa_s->dbus_new_path);
+       if (wpa_dbus_register_object_per_iface(ctrl_iface,
+                                              wpa_s->dbus_new_path,
+                                              wpa_s->ifname, obj_desc))
                goto err;
 
-       wpas_dbus_signal_interface_created(wpa_s);
+       wpas_dbus_signal_interface_added(wpa_s);
 
-       os_free(path);
        return 0;
 
 err:
-       os_free(obj_desc);
-       os_free(path);
+       os_free(wpa_s->dbus_new_path);
+       wpa_s->dbus_new_path = NULL;
+       free_dbus_object_desc(obj_desc);
        return -1;
 }
 
 
-static int wpas_dbus_unregister_interface(struct wpa_supplicant *wpa_s)
+int wpas_dbus_unregister_interface(struct wpa_supplicant *wpa_s)
 {
        struct wpas_dbus_priv *ctrl_iface;
 
@@ -1788,9 +1548,9 @@ static int wpas_dbus_unregister_interface(struct wpa_supplicant *wpa_s)
                return 0;
 
        wpa_printf(MSG_DEBUG, "dbus: Unregister interface object '%s'",
-                  wpas_dbus_get_path(wpa_s));
+                  wpa_s->dbus_new_path);
        if (wpa_dbus_unregister_object_per_iface(ctrl_iface,
-                                                wpas_dbus_get_path(wpa_s)))
+                                                wpa_s->dbus_new_path))
                return -1;
 
        wpas_dbus_signal_interface_removed(wpa_s);
@@ -1800,57 +1560,3 @@ static int wpas_dbus_unregister_interface(struct wpa_supplicant *wpa_s)
 
        return 0;
 }
-
-
-static struct wpas_dbus_callbacks callbacks =
-{
-       .signal_interface_created = wpas_dbus_signal_interface_created,
-       .signal_interface_removed = wpas_dbus_signal_interface_removed,
-
-       .register_interface = wpas_dbus_register_interface,
-       .unregister_interface = wpas_dbus_unregister_interface,
-
-       .signal_scan_done = wpas_dbus_signal_scan_done,
-
-       .signal_blob_added = wpas_dbus_signal_blob_added,
-       .signal_blob_removed = wpas_dbus_signal_blob_removed,
-
-       .signal_network_selected = wpas_dbus_signal_network_selected,
-
-       .signal_state_changed = wpas_dbus_signal_state_changed,
-       .register_network = wpas_dbus_register_network,
-       .unregister_network = wpas_dbus_unregister_network,
-
-       .signal_network_enabled_changed =
-       wpas_dbus_signal_network_enabled_changed,
-
-       .register_bss = wpas_dbus_register_bss,
-       .unregister_bss = wpas_dbus_unregister_bss,
-
-       .signal_prop_changed = wpas_dbus_signal_prop_changed,
-       .signal_debug_params_changed = wpas_dbus_signal_debug_params_changed,
-
-#ifdef CONFIG_WPS
-       .signal_wps_event_success = wpas_dbus_signal_wps_event_success,
-       .signal_wps_event_fail = wpas_dbus_signal_wps_event_fail,
-       .signal_wps_event_m2d = wpas_dbus_signal_wps_event_m2d,
-       .signal_wps_credentials = wpas_dbus_signal_wps_cred,
-#endif /* CONFIG_WPS */
-};
-
-
-struct wpas_dbus_callbacks * wpas_dbus_get_callbacks(void)
-{
-       return &callbacks;
-}
-
-
-/**
- * wpas_dbus_get_path - Get an interface's dbus path
- * @wpa_s: %wpa_supplicant interface structure
- * Returns: Interface's dbus object path, or %NULL on error
- */
-const char * wpas_dbus_get_path(struct wpa_supplicant *wpa_s)
-{
-       return wpa_s->dbus_new_path;
-}