Merged the hostap_2.6 updates, and the Leap of Faith work, from the hostap_update...
[mech_eap.git] / libeap / wpa_supplicant / dbus / dbus_new_handlers_p2p.c
diff --git a/libeap/wpa_supplicant/dbus/dbus_new_handlers_p2p.c b/libeap/wpa_supplicant/dbus/dbus_new_handlers_p2p.c
new file mode 100644 (file)
index 0000000..73b9e20
--- /dev/null
@@ -0,0 +1,2961 @@
+/*
+ * WPA Supplicant / dbus-based control interface (P2P)
+ * Copyright (c) 2011-2012, Intel Corporation
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+
+#include "utils/includes.h"
+#include "common.h"
+#include "../config.h"
+#include "../wpa_supplicant_i.h"
+#include "../wps_supplicant.h"
+#include "../notify.h"
+#include "dbus_new_helpers.h"
+#include "dbus_new.h"
+#include "dbus_new_handlers.h"
+#include "dbus_new_handlers_p2p.h"
+#include "dbus_dict_helpers.h"
+#include "p2p/p2p.h"
+#include "common/ieee802_11_defs.h"
+#include "ap/hostapd.h"
+#include "ap/ap_config.h"
+#include "ap/wps_hostapd.h"
+
+#include "../p2p_supplicant.h"
+#include "../wifi_display.h"
+
+/**
+ * Parses out the mac address from the peer object path.
+ * @peer_path - object path of the form
+ *     /fi/w1/wpa_supplicant1/Interfaces/n/Peers/00112233445566 (no colons)
+ * @addr - out param must be of ETH_ALEN size
+ * Returns 0 if valid (including MAC), -1 otherwise
+ */
+static int parse_peer_object_path(const char *peer_path, u8 addr[ETH_ALEN])
+{
+       const char *p;
+
+       if (!peer_path)
+               return -1;
+       p = os_strrchr(peer_path, '/');
+       if (!p)
+               return -1;
+       p++;
+       return hwaddr_compact_aton(p, addr);
+}
+
+
+/**
+ * wpas_dbus_error_persistent_group_unknown - Return a new PersistentGroupUnknown
+ * error message
+ * @message: Pointer to incoming dbus message this error refers to
+ * Returns: a dbus error message
+ *
+ * Convenience function to create and return an invalid persistent group error.
+ */
+static DBusMessage *
+wpas_dbus_error_persistent_group_unknown(DBusMessage *message)
+{
+       return dbus_message_new_error(
+               message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN,
+               "There is no such persistent group in this P2P device.");
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_find(DBusMessage *message,
+                                        struct wpa_supplicant *wpa_s)
+{
+       struct wpa_dbus_dict_entry entry;
+       DBusMessage *reply = NULL;
+       DBusMessageIter iter;
+       DBusMessageIter iter_dict;
+       unsigned int timeout = 0;
+       enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
+       int num_req_dev_types = 0;
+       unsigned int i;
+       u8 *req_dev_types = NULL;
+
+       dbus_message_iter_init(message, &iter);
+       entry.key = NULL;
+
+       if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
+               goto error;
+
+       while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                       goto error;
+
+               if (os_strcmp(entry.key, "Timeout") == 0 &&
+                   entry.type == DBUS_TYPE_INT32) {
+                       timeout = entry.uint32_value;
+               } else if (os_strcmp(entry.key, "RequestedDeviceTypes") == 0) {
+                       if (entry.type != DBUS_TYPE_ARRAY ||
+                           entry.array_type != WPAS_DBUS_TYPE_BINARRAY)
+                               goto error_clear;
+
+                       os_free(req_dev_types);
+                       req_dev_types =
+                               os_malloc(WPS_DEV_TYPE_LEN * entry.array_len);
+                       if (!req_dev_types)
+                               goto error_clear;
+
+                       for (i = 0; i < entry.array_len; i++) {
+                               if (wpabuf_len(entry.binarray_value[i]) !=
+                                   WPS_DEV_TYPE_LEN)
+                                       goto error_clear;
+                               os_memcpy(req_dev_types + i * WPS_DEV_TYPE_LEN,
+                                         wpabuf_head(entry.binarray_value[i]),
+                                         WPS_DEV_TYPE_LEN);
+                       }
+                       num_req_dev_types = entry.array_len;
+               } else if (os_strcmp(entry.key, "DiscoveryType") == 0 &&
+                          entry.type == DBUS_TYPE_STRING) {
+                       if (os_strcmp(entry.str_value, "start_with_full") == 0)
+                               type = P2P_FIND_START_WITH_FULL;
+                       else if (os_strcmp(entry.str_value, "social") == 0)
+                               type = P2P_FIND_ONLY_SOCIAL;
+                       else if (os_strcmp(entry.str_value, "progressive") == 0)
+                               type = P2P_FIND_PROGRESSIVE;
+                       else
+                               goto error_clear;
+               } else
+                       goto error_clear;
+               wpa_dbus_dict_entry_clear(&entry);
+       }
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       wpas_p2p_find(wpa_s, timeout, type, num_req_dev_types, req_dev_types,
+                     NULL, 0, 0, NULL, 0);
+       os_free(req_dev_types);
+       return reply;
+
+error_clear:
+       wpa_dbus_dict_entry_clear(&entry);
+error:
+       os_free(req_dev_types);
+       reply = wpas_dbus_error_invalid_args(message, entry.key);
+       return reply;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_stop_find(DBusMessage *message,
+                                             struct wpa_supplicant *wpa_s)
+{
+       wpas_p2p_stop_find(wpa_s->global->p2p_init_wpa_s);
+       return NULL;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_rejectpeer(DBusMessage *message,
+                                              struct wpa_supplicant *wpa_s)
+{
+       DBusMessageIter iter;
+       char *peer_object_path = NULL;
+       u8 peer_addr[ETH_ALEN];
+
+       dbus_message_iter_init(message, &iter);
+       dbus_message_iter_get_basic(&iter, &peer_object_path);
+
+       if (parse_peer_object_path(peer_object_path, peer_addr) < 0)
+               return wpas_dbus_error_invalid_args(message, NULL);
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       if (wpas_p2p_reject(wpa_s, peer_addr) < 0)
+               return wpas_dbus_error_unknown_error(message,
+                               "Failed to call wpas_p2p_reject method.");
+
+       return NULL;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_listen(DBusMessage *message,
+                                          struct wpa_supplicant *wpa_s)
+{
+       dbus_int32_t timeout = 0;
+
+       if (!dbus_message_get_args(message, NULL, DBUS_TYPE_INT32, &timeout,
+                                  DBUS_TYPE_INVALID))
+               return wpas_dbus_error_no_memory(message);
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       if (wpas_p2p_listen(wpa_s, (unsigned int) timeout)) {
+               return dbus_message_new_error(message,
+                                             WPAS_DBUS_ERROR_UNKNOWN_ERROR,
+                                             "Could not start P2P listen");
+       }
+
+       return NULL;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_extendedlisten(
+       DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+       unsigned int period = 0, interval = 0;
+       struct wpa_dbus_dict_entry entry;
+       DBusMessageIter iter;
+       DBusMessageIter iter_dict;
+
+       dbus_message_iter_init(message, &iter);
+       entry.key = NULL;
+
+       if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
+               goto error;
+
+       while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                       goto error;
+
+               if (os_strcmp(entry.key, "period") == 0 &&
+                   entry.type == DBUS_TYPE_INT32)
+                       period = entry.uint32_value;
+               else if (os_strcmp(entry.key, "interval") == 0 &&
+                        entry.type == DBUS_TYPE_INT32)
+                       interval = entry.uint32_value;
+               else
+                       goto error_clear;
+               wpa_dbus_dict_entry_clear(&entry);
+       }
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       if (wpas_p2p_ext_listen(wpa_s, period, interval))
+               return wpas_dbus_error_unknown_error(
+                       message, "failed to initiate a p2p_ext_listen.");
+
+       return NULL;
+
+error_clear:
+       wpa_dbus_dict_entry_clear(&entry);
+error:
+       return wpas_dbus_error_invalid_args(message, entry.key);
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_presence_request(
+       DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+       unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
+       struct wpa_dbus_dict_entry entry;
+       DBusMessageIter iter;
+       DBusMessageIter iter_dict;
+
+       dbus_message_iter_init(message, &iter);
+       entry.key = NULL;
+
+       if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
+               goto error;
+
+       while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                       goto error;
+
+               if (os_strcmp(entry.key, "duration1") == 0 &&
+                   entry.type == DBUS_TYPE_INT32)
+                       dur1 = entry.uint32_value;
+               else if (os_strcmp(entry.key, "interval1") == 0 &&
+                        entry.type == DBUS_TYPE_INT32)
+                       int1 = entry.uint32_value;
+               else if (os_strcmp(entry.key, "duration2") == 0 &&
+                        entry.type == DBUS_TYPE_INT32)
+                       dur2 = entry.uint32_value;
+               else if (os_strcmp(entry.key, "interval2") == 0 &&
+                        entry.type == DBUS_TYPE_INT32)
+                       int2 = entry.uint32_value;
+               else
+                       goto error_clear;
+
+               wpa_dbus_dict_entry_clear(&entry);
+       }
+
+       if (wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2) < 0)
+               return wpas_dbus_error_unknown_error(message,
+                               "Failed to invoke presence request.");
+
+       return NULL;
+
+error_clear:
+       wpa_dbus_dict_entry_clear(&entry);
+error:
+       return wpas_dbus_error_invalid_args(message, entry.key);
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_group_add(DBusMessage *message,
+                                             struct wpa_supplicant *wpa_s)
+{
+       DBusMessageIter iter_dict;
+       DBusMessage *reply = NULL;
+       DBusMessageIter iter;
+       struct wpa_dbus_dict_entry entry;
+       char *pg_object_path = NULL;
+       int persistent_group = 0;
+       int freq = 0;
+       char *iface = NULL;
+       unsigned int group_id = 0;
+       struct wpa_ssid *ssid;
+
+       dbus_message_iter_init(message, &iter);
+
+       if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
+               goto inv_args;
+
+       while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                       goto inv_args;
+
+               if (os_strcmp(entry.key, "persistent") == 0 &&
+                   entry.type == DBUS_TYPE_BOOLEAN) {
+                       persistent_group = entry.bool_value;
+               } else if (os_strcmp(entry.key, "frequency") == 0 &&
+                          entry.type == DBUS_TYPE_INT32) {
+                       freq = entry.int32_value;
+                       if (freq <= 0)
+                               goto inv_args_clear;
+               } else if (os_strcmp(entry.key, "persistent_group_object") ==
+                          0 &&
+                          entry.type == DBUS_TYPE_OBJECT_PATH)
+                       pg_object_path = os_strdup(entry.str_value);
+               else
+                       goto inv_args_clear;
+
+               wpa_dbus_dict_entry_clear(&entry);
+       }
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       if (pg_object_path != NULL) {
+               char *net_id_str;
+
+               /*
+                * A persistent group Object Path is defined meaning we want
+                * to re-invoke a persistent group.
+                */
+
+               iface = wpas_dbus_new_decompose_object_path(
+                       pg_object_path, WPAS_DBUS_NEW_PERSISTENT_GROUPS_PART,
+                       &net_id_str);
+               if (iface == NULL || net_id_str == NULL ||
+                   !wpa_s->parent->dbus_new_path ||
+                   os_strcmp(iface, wpa_s->parent->dbus_new_path) != 0) {
+                       reply =
+                           wpas_dbus_error_invalid_args(message,
+                                                        pg_object_path);
+                       goto out;
+               }
+
+               group_id = strtoul(net_id_str, NULL, 10);
+               if (errno == EINVAL) {
+                       reply = wpas_dbus_error_invalid_args(
+                                               message, pg_object_path);
+                       goto out;
+               }
+
+               /* Get the SSID structure from the persistent group id */
+               ssid = wpa_config_get_network(wpa_s->conf, group_id);
+               if (ssid == NULL || ssid->disabled != 2)
+                       goto inv_args;
+
+               if (wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, 0, 0,
+                                                 0, 0, NULL, 0, 0)) {
+                       reply = wpas_dbus_error_unknown_error(
+                               message,
+                               "Failed to reinvoke a persistent group");
+                       goto out;
+               }
+       } else if (wpas_p2p_group_add(wpa_s, persistent_group, freq, 0, 0, 0,
+                                     0))
+               goto inv_args;
+
+out:
+       os_free(pg_object_path);
+       os_free(iface);
+       return reply;
+inv_args_clear:
+       wpa_dbus_dict_entry_clear(&entry);
+inv_args:
+       reply = wpas_dbus_error_invalid_args(message, NULL);
+       goto out;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_disconnect(DBusMessage *message,
+                                              struct wpa_supplicant *wpa_s)
+{
+       if (wpas_p2p_disconnect(wpa_s))
+               return wpas_dbus_error_unknown_error(message,
+                                               "failed to disconnect");
+
+       return NULL;
+}
+
+
+static dbus_bool_t wpa_dbus_p2p_check_enabled(struct wpa_supplicant *wpa_s,
+                                             DBusMessage *message,
+                                             DBusMessage **out_reply,
+                                             DBusError *error)
+{
+       /* Return an error message or an error if P2P isn't available */
+       if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) {
+               if (out_reply) {
+                       *out_reply = dbus_message_new_error(
+                               message, DBUS_ERROR_FAILED,
+                               "P2P is not available for this interface");
+               }
+               dbus_set_error_const(error, DBUS_ERROR_FAILED,
+                                    "P2P is not available for this interface");
+               return FALSE;
+       }
+       return TRUE;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_remove_client(DBusMessage *message,
+                                                 struct wpa_supplicant *wpa_s)
+{
+       DBusMessageIter iter_dict;
+       DBusMessage *reply = NULL;
+       DBusMessageIter iter;
+       struct wpa_dbus_dict_entry entry;
+       char *peer_object_path = NULL;
+       char *interface_addr = NULL;
+       u8 peer_addr[ETH_ALEN];
+
+       if (!wpa_dbus_p2p_check_enabled(wpa_s, message, &reply, NULL))
+               return reply;
+
+       dbus_message_iter_init(message, &iter);
+
+       if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
+               goto err;
+
+       while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                       goto err;
+
+               if (os_strcmp(entry.key, "peer") == 0 &&
+                   entry.type == DBUS_TYPE_OBJECT_PATH) {
+                       os_free(peer_object_path);
+                       peer_object_path = os_strdup(entry.str_value);
+                       wpa_dbus_dict_entry_clear(&entry);
+               } else if (os_strcmp(entry.key, "iface") == 0 &&
+                          entry.type == DBUS_TYPE_STRING) {
+                       os_free(interface_addr);
+                       interface_addr = os_strdup(entry.str_value);
+                       wpa_dbus_dict_entry_clear(&entry);
+               } else {
+                       wpa_dbus_dict_entry_clear(&entry);
+                       goto err;
+               }
+       }
+
+       if ((!peer_object_path && !interface_addr) ||
+           (peer_object_path &&
+            (parse_peer_object_path(peer_object_path, peer_addr) < 0 ||
+             !p2p_peer_known(wpa_s->global->p2p, peer_addr))) ||
+           (interface_addr && hwaddr_aton(interface_addr, peer_addr) < 0))
+               goto err;
+
+       wpas_p2p_remove_client(wpa_s, peer_addr, interface_addr != NULL);
+       reply = NULL;
+out:
+       os_free(peer_object_path);
+       os_free(interface_addr);
+       return reply;
+err:
+       reply = wpas_dbus_error_invalid_args(message, "Invalid address format");
+       goto out;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_flush(DBusMessage *message,
+                                         struct wpa_supplicant *wpa_s)
+{
+       DBusMessage *reply = NULL;
+
+       if (!wpa_dbus_p2p_check_enabled(wpa_s, message, &reply, NULL))
+               return reply;
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
+       wpa_s->force_long_sd = 0;
+       p2p_flush(wpa_s->global->p2p);
+
+       return NULL;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_connect(DBusMessage *message,
+                                           struct wpa_supplicant *wpa_s)
+{
+       DBusMessageIter iter_dict;
+       DBusMessage *reply = NULL;
+       DBusMessageIter iter;
+       struct wpa_dbus_dict_entry entry;
+       char *peer_object_path = NULL;
+       int persistent_group = 0;
+       int join = 0;
+       int authorize_only = 0;
+       int go_intent = -1;
+       int freq = 0;
+       u8 addr[ETH_ALEN];
+       char *pin = NULL;
+       enum p2p_wps_method wps_method = WPS_NOT_READY;
+       int new_pin;
+       char *err_msg = NULL;
+       char *iface = NULL;
+
+       if (!wpa_dbus_p2p_check_enabled(wpa_s, message, &reply, NULL))
+               return reply;
+
+       dbus_message_iter_init(message, &iter);
+
+       if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
+               goto inv_args;
+
+       while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                       goto inv_args;
+
+               if (os_strcmp(entry.key, "peer") == 0 &&
+                   entry.type == DBUS_TYPE_OBJECT_PATH) {
+                       peer_object_path = os_strdup(entry.str_value);
+               } else if (os_strcmp(entry.key, "persistent") == 0 &&
+                          entry.type == DBUS_TYPE_BOOLEAN) {
+                       persistent_group = entry.bool_value;
+               } else if (os_strcmp(entry.key, "join") == 0 &&
+                          entry.type == DBUS_TYPE_BOOLEAN) {
+                       join = entry.bool_value;
+               } else if (os_strcmp(entry.key, "authorize_only") == 0 &&
+                          entry.type == DBUS_TYPE_BOOLEAN) {
+                       authorize_only = entry.bool_value;
+               } else if (os_strcmp(entry.key, "frequency") == 0 &&
+                          entry.type == DBUS_TYPE_INT32) {
+                       freq = entry.int32_value;
+                       if (freq <= 0)
+                               goto inv_args_clear;
+               } else if (os_strcmp(entry.key, "go_intent") == 0 &&
+                          entry.type == DBUS_TYPE_INT32) {
+                       go_intent = entry.int32_value;
+                       if ((go_intent < 0) || (go_intent > 15))
+                               goto inv_args_clear;
+               } else if (os_strcmp(entry.key, "wps_method") == 0 &&
+                          entry.type == DBUS_TYPE_STRING) {
+                       if (os_strcmp(entry.str_value, "pbc") == 0)
+                               wps_method = WPS_PBC;
+                       else if (os_strcmp(entry.str_value, "pin") == 0)
+                               wps_method = WPS_PIN_DISPLAY;
+                       else if (os_strcmp(entry.str_value, "display") == 0)
+                               wps_method = WPS_PIN_DISPLAY;
+                       else if (os_strcmp(entry.str_value, "keypad") == 0)
+                               wps_method = WPS_PIN_KEYPAD;
+                       else
+                               goto inv_args_clear;
+               } else if (os_strcmp(entry.key, "pin") == 0 &&
+                          entry.type == DBUS_TYPE_STRING) {
+                       pin = os_strdup(entry.str_value);
+               } else
+                       goto inv_args_clear;
+
+               wpa_dbus_dict_entry_clear(&entry);
+       }
+
+       if (wps_method == WPS_NOT_READY ||
+           parse_peer_object_path(peer_object_path, addr) < 0 ||
+           !p2p_peer_known(wpa_s->global->p2p, addr))
+               goto inv_args;
+
+       /*
+        * Validate the wps_method specified and the pin value.
+        */
+       if ((!pin || !pin[0]) && wps_method == WPS_PIN_KEYPAD)
+               goto inv_args;
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
+                                  persistent_group, 0, join, authorize_only,
+                                  go_intent, freq, 0, -1, 0, 0, 0, 0, NULL, 0);
+
+       if (new_pin >= 0) {
+               char npin[9];
+               char *generated_pin;
+
+               os_snprintf(npin, sizeof(npin), "%08d", new_pin);
+               generated_pin = npin;
+               reply = dbus_message_new_method_return(message);
+               dbus_message_append_args(reply, DBUS_TYPE_STRING,
+                                        &generated_pin, DBUS_TYPE_INVALID);
+       } else {
+               switch (new_pin) {
+               case -2:
+                       err_msg =
+                               "connect failed due to channel unavailability.";
+                       iface = WPAS_DBUS_ERROR_CONNECT_CHANNEL_UNAVAILABLE;
+                       break;
+
+               case -3:
+                       err_msg = "connect failed due to unsupported channel.";
+                       iface = WPAS_DBUS_ERROR_CONNECT_CHANNEL_UNSUPPORTED;
+                       break;
+
+               default:
+                       err_msg = "connect failed due to unspecified error.";
+                       iface = WPAS_DBUS_ERROR_CONNECT_UNSPECIFIED_ERROR;
+                       break;
+               }
+
+               /*
+                * TODO:
+                * Do we need specialized errors corresponding to above
+                * error conditions as against just returning a different
+                * error message?
+                */
+               reply = dbus_message_new_error(message, iface, err_msg);
+       }
+
+out:
+       os_free(peer_object_path);
+       os_free(pin);
+       return reply;
+inv_args_clear:
+       wpa_dbus_dict_entry_clear(&entry);
+inv_args:
+       reply = wpas_dbus_error_invalid_args(message, NULL);
+       goto out;
+}
+
+
+/**
+ * wpas_dbus_handler_p2p_cancel - Cancel P2P group formation
+ * @message: Pointer to incoming dbus message
+ * @wpa_s: %wpa_supplicant data structure
+ * Returns: NULL on success or DBus error on failure
+ *
+ * Handler for "Cancel" method call. Returns NULL if P2P cancel succeeds or DBus
+ * error on P2P cancel failure
+ */
+DBusMessage * wpas_dbus_handler_p2p_cancel(DBusMessage *message,
+                                          struct wpa_supplicant *wpa_s)
+{
+       if (wpas_p2p_cancel(wpa_s))
+               return wpas_dbus_error_unknown_error(message,
+                                                    "P2P cancel failed");
+
+       return NULL;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_invite(DBusMessage *message,
+                                          struct wpa_supplicant *wpa_s)
+{
+       DBusMessageIter iter_dict;
+       DBusMessage *reply = NULL;
+       DBusMessageIter iter;
+       struct wpa_dbus_dict_entry entry;
+       char *peer_object_path = NULL;
+       char *pg_object_path = NULL;
+       char *iface = NULL;
+       u8 peer_addr[ETH_ALEN];
+       unsigned int group_id = 0;
+       int persistent = 0;
+       struct wpa_ssid *ssid;
+
+       if (!wpa_dbus_p2p_check_enabled(wpa_s, message, &reply, NULL))
+               return reply;
+
+       dbus_message_iter_init(message, &iter);
+
+       if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
+               goto err;
+
+       while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                       goto err;
+
+               if (os_strcmp(entry.key, "peer") == 0 &&
+                   entry.type == DBUS_TYPE_OBJECT_PATH) {
+                       peer_object_path = os_strdup(entry.str_value);
+                       wpa_dbus_dict_entry_clear(&entry);
+               } else if (os_strcmp(entry.key, "persistent_group_object") ==
+                          0 &&
+                          entry.type == DBUS_TYPE_OBJECT_PATH) {
+                       pg_object_path = os_strdup(entry.str_value);
+                       persistent = 1;
+                       wpa_dbus_dict_entry_clear(&entry);
+               } else {
+                       wpa_dbus_dict_entry_clear(&entry);
+                       goto err;
+               }
+       }
+
+       if (parse_peer_object_path(peer_object_path, peer_addr) < 0 ||
+           !p2p_peer_known(wpa_s->global->p2p, peer_addr))
+               goto err;
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       if (persistent) {
+               char *net_id_str;
+               /*
+                * A group ID is defined meaning we want to re-invoke a
+                * persistent group
+                */
+
+               iface = wpas_dbus_new_decompose_object_path(
+                       pg_object_path,
+                       WPAS_DBUS_NEW_PERSISTENT_GROUPS_PART,
+                       &net_id_str);
+               if (iface == NULL || net_id_str == NULL ||
+                   !wpa_s->parent->dbus_new_path ||
+                   os_strcmp(iface, wpa_s->parent->dbus_new_path) != 0) {
+                       reply = wpas_dbus_error_invalid_args(message,
+                                                            pg_object_path);
+                       goto out;
+               }
+
+               group_id = strtoul(net_id_str, NULL, 10);
+               if (errno == EINVAL) {
+                       reply = wpas_dbus_error_invalid_args(
+                               message, pg_object_path);
+                       goto out;
+               }
+
+               /* Get the SSID structure from the persistent group id */
+               ssid = wpa_config_get_network(wpa_s->conf, group_id);
+               if (ssid == NULL || ssid->disabled != 2)
+                       goto err;
+
+               if (wpas_p2p_invite(wpa_s, peer_addr, ssid, NULL, 0, 0, 0, 0, 0,
+                                   0) < 0) {
+                       reply = wpas_dbus_error_unknown_error(
+                               message,
+                               "Failed to reinvoke a persistent group");
+                       goto out;
+               }
+       } else {
+               /*
+                * No group ID means propose to a peer to join my active group
+                */
+               if (wpas_p2p_invite_group(wpa_s, wpa_s->ifname,
+                                         peer_addr, NULL)) {
+                       reply = wpas_dbus_error_unknown_error(
+                               message, "Failed to join to an active group");
+                       goto out;
+               }
+       }
+
+out:
+       os_free(iface);
+       os_free(pg_object_path);
+       os_free(peer_object_path);
+       return reply;
+
+err:
+       reply = wpas_dbus_error_invalid_args(message, NULL);
+       goto out;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_prov_disc_req(DBusMessage *message,
+                                                 struct wpa_supplicant *wpa_s)
+{
+       DBusMessageIter iter;
+       char *peer_object_path = NULL;
+       char *config_method = NULL;
+       u8 peer_addr[ETH_ALEN];
+
+       dbus_message_iter_init(message, &iter);
+       dbus_message_iter_get_basic(&iter, &peer_object_path);
+
+       if (parse_peer_object_path(peer_object_path, peer_addr) < 0)
+               return wpas_dbus_error_invalid_args(message, NULL);
+
+       dbus_message_iter_next(&iter);
+       dbus_message_iter_get_basic(&iter, &config_method);
+
+       /*
+        * Validation checks on config_method are being duplicated here
+        * to be able to return invalid args reply since the error code
+        * from p2p module are not granular enough (yet).
+        */
+       if (os_strcmp(config_method, "display") &&
+           os_strcmp(config_method, "keypad") &&
+           os_strcmp(config_method, "pbc") &&
+           os_strcmp(config_method, "pushbutton"))
+               return wpas_dbus_error_invalid_args(message, NULL);
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       if (wpas_p2p_prov_disc(wpa_s, peer_addr, config_method,
+                              WPAS_P2P_PD_FOR_GO_NEG, NULL) < 0)
+               return wpas_dbus_error_unknown_error(message,
+                               "Failed to send provision discovery request");
+
+       return NULL;
+}
+
+
+/*
+ * P2P Device property accessor methods.
+ */
+
+dbus_bool_t wpas_dbus_getter_p2p_device_config(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       DBusMessageIter variant_iter, dict_iter;
+       DBusMessageIter iter_secdev_dict_entry, iter_secdev_dict_val,
+               iter_secdev_dict_array;
+       const char *dev_name;
+       int num_vendor_extensions = 0;
+       int i;
+       const struct wpabuf *vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
+
+       if (!wpa_dbus_p2p_check_enabled(wpa_s, NULL, NULL, error))
+               return FALSE;
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
+                                             "a{sv}", &variant_iter) ||
+           !wpa_dbus_dict_open_write(&variant_iter, &dict_iter))
+               goto err_no_mem;
+
+       /* DeviceName */
+       dev_name = wpa_s->conf->device_name;
+       if (dev_name &&
+           !wpa_dbus_dict_append_string(&dict_iter, "DeviceName", dev_name))
+               goto err_no_mem;
+
+       /* Primary device type */
+       if (!wpa_dbus_dict_append_byte_array(&dict_iter, "PrimaryDeviceType",
+                                            (char *) wpa_s->conf->device_type,
+                                            WPS_DEV_TYPE_LEN))
+               goto err_no_mem;
+
+       /* Secondary device types */
+       if (wpa_s->conf->num_sec_device_types) {
+               if (!wpa_dbus_dict_begin_array(&dict_iter,
+                                              "SecondaryDeviceTypes",
+                                              DBUS_TYPE_ARRAY_AS_STRING
+                                              DBUS_TYPE_BYTE_AS_STRING,
+                                              &iter_secdev_dict_entry,
+                                              &iter_secdev_dict_val,
+                                              &iter_secdev_dict_array))
+                       goto err_no_mem;
+
+               for (i = 0; i < wpa_s->conf->num_sec_device_types; i++)
+                       wpa_dbus_dict_bin_array_add_element(
+                               &iter_secdev_dict_array,
+                               wpa_s->conf->sec_device_type[i],
+                               WPS_DEV_TYPE_LEN);
+
+               if (!wpa_dbus_dict_end_array(&dict_iter,
+                                            &iter_secdev_dict_entry,
+                                            &iter_secdev_dict_val,
+                                            &iter_secdev_dict_array))
+                       goto err_no_mem;
+       }
+
+       /* Vendor Extensions */
+       for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+               if (wpa_s->conf->wps_vendor_ext[i] == NULL)
+                       continue;
+               vendor_ext[num_vendor_extensions++] =
+                       wpa_s->conf->wps_vendor_ext[i];
+       }
+
+       if ((num_vendor_extensions &&
+            !wpa_dbus_dict_append_wpabuf_array(&dict_iter,
+                                               "VendorExtension",
+                                               vendor_ext,
+                                               num_vendor_extensions)) ||
+           !wpa_dbus_dict_append_uint32(&dict_iter, "GOIntent",
+                                        wpa_s->conf->p2p_go_intent) ||
+           !wpa_dbus_dict_append_bool(&dict_iter, "PersistentReconnect",
+                                      wpa_s->conf->persistent_reconnect) ||
+           !wpa_dbus_dict_append_uint32(&dict_iter, "ListenRegClass",
+                                        wpa_s->conf->p2p_listen_reg_class) ||
+           !wpa_dbus_dict_append_uint32(&dict_iter, "ListenChannel",
+                                        wpa_s->conf->p2p_listen_channel) ||
+           !wpa_dbus_dict_append_uint32(&dict_iter, "OperRegClass",
+                                        wpa_s->conf->p2p_oper_reg_class) ||
+           !wpa_dbus_dict_append_uint32(&dict_iter, "OperChannel",
+                                        wpa_s->conf->p2p_oper_channel) ||
+           (wpa_s->conf->p2p_ssid_postfix &&
+            !wpa_dbus_dict_append_string(&dict_iter, "SsidPostfix",
+                                         wpa_s->conf->p2p_ssid_postfix)) ||
+           !wpa_dbus_dict_append_bool(&dict_iter, "IntraBss",
+                                      wpa_s->conf->p2p_intra_bss) ||
+           !wpa_dbus_dict_append_uint32(&dict_iter, "GroupIdle",
+                                        wpa_s->conf->p2p_group_idle) ||
+           !wpa_dbus_dict_append_uint32(&dict_iter, "disassoc_low_ack",
+                                        wpa_s->conf->disassoc_low_ack) ||
+           !wpa_dbus_dict_append_bool(&dict_iter, "NoGroupIface",
+                                      wpa_s->conf->p2p_no_group_iface) ||
+           !wpa_dbus_dict_append_uint32(&dict_iter, "p2p_search_delay",
+                                        wpa_s->conf->p2p_search_delay) ||
+           !wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
+           !dbus_message_iter_close_container(iter, &variant_iter))
+               goto err_no_mem;
+
+       return TRUE;
+
+err_no_mem:
+       dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+       return FALSE;
+}
+
+
+dbus_bool_t wpas_dbus_setter_p2p_device_config(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       DBusMessageIter variant_iter, iter_dict;
+       struct wpa_dbus_dict_entry entry = {.type = DBUS_TYPE_STRING };
+       unsigned int i;
+
+       if (!wpa_dbus_p2p_check_enabled(wpa_s, NULL, NULL, error))
+               return FALSE;
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       dbus_message_iter_recurse(iter, &variant_iter);
+       if (!wpa_dbus_dict_open_read(&variant_iter, &iter_dict, error))
+               return FALSE;
+
+       while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
+                       dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
+                                            "invalid message format");
+                       return FALSE;
+               }
+
+               if (os_strcmp(entry.key, "DeviceName") == 0) {
+                       char *devname;
+
+                       if (entry.type != DBUS_TYPE_STRING ||
+                           os_strlen(entry.str_value) > WPS_DEV_NAME_MAX_LEN)
+                               goto error;
+
+                       devname = os_strdup(entry.str_value);
+                       if (devname == NULL)
+                               goto err_no_mem_clear;
+
+                       os_free(wpa_s->conf->device_name);
+                       wpa_s->conf->device_name = devname;
+
+                       wpa_s->conf->changed_parameters |=
+                               CFG_CHANGED_DEVICE_NAME;
+               } else if (os_strcmp(entry.key, "PrimaryDeviceType") == 0) {
+                       if (entry.type != DBUS_TYPE_ARRAY ||
+                           entry.array_type != DBUS_TYPE_BYTE ||
+                           entry.array_len != WPS_DEV_TYPE_LEN)
+                               goto error;
+
+                       os_memcpy(wpa_s->conf->device_type,
+                                 entry.bytearray_value,
+                                 WPS_DEV_TYPE_LEN);
+                       wpa_s->conf->changed_parameters |=
+                               CFG_CHANGED_DEVICE_TYPE;
+               } else if (os_strcmp(entry.key, "SecondaryDeviceTypes") == 0) {
+                       if (entry.type != DBUS_TYPE_ARRAY ||
+                           entry.array_type != WPAS_DBUS_TYPE_BINARRAY ||
+                           entry.array_len > MAX_SEC_DEVICE_TYPES)
+                               goto error;
+
+                       for (i = 0; i < entry.array_len; i++)
+                               if (wpabuf_len(entry.binarray_value[i]) !=
+                                   WPS_DEV_TYPE_LEN)
+                                       goto err_no_mem_clear;
+                       for (i = 0; i < entry.array_len; i++)
+                               os_memcpy(wpa_s->conf->sec_device_type[i],
+                                         wpabuf_head(entry.binarray_value[i]),
+                                         WPS_DEV_TYPE_LEN);
+                       wpa_s->conf->num_sec_device_types = entry.array_len;
+                       wpa_s->conf->changed_parameters |=
+                                       CFG_CHANGED_SEC_DEVICE_TYPE;
+               } else if (os_strcmp(entry.key, "VendorExtension") == 0) {
+                       if (entry.type != DBUS_TYPE_ARRAY ||
+                           entry.array_type != WPAS_DBUS_TYPE_BINARRAY ||
+                           (entry.array_len > P2P_MAX_WPS_VENDOR_EXT))
+                               goto error;
+
+                       wpa_s->conf->changed_parameters |=
+                               CFG_CHANGED_VENDOR_EXTENSION;
+
+                       for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+                               wpabuf_free(wpa_s->conf->wps_vendor_ext[i]);
+                               if (i < entry.array_len) {
+                                       wpa_s->conf->wps_vendor_ext[i] =
+                                               entry.binarray_value[i];
+                                       entry.binarray_value[i] = NULL;
+                               } else
+                                       wpa_s->conf->wps_vendor_ext[i] = NULL;
+                       }
+               } else if (os_strcmp(entry.key, "GOIntent") == 0 &&
+                          entry.type == DBUS_TYPE_UINT32 &&
+                          (entry.uint32_value <= 15))
+                       wpa_s->conf->p2p_go_intent = entry.uint32_value;
+               else if (os_strcmp(entry.key, "PersistentReconnect") == 0 &&
+                        entry.type == DBUS_TYPE_BOOLEAN)
+                       wpa_s->conf->persistent_reconnect = entry.bool_value;
+               else if (os_strcmp(entry.key, "ListenRegClass") == 0 &&
+                        entry.type == DBUS_TYPE_UINT32) {
+                       wpa_s->conf->p2p_listen_reg_class = entry.uint32_value;
+                       wpa_s->conf->changed_parameters |=
+                               CFG_CHANGED_P2P_LISTEN_CHANNEL;
+               } else if (os_strcmp(entry.key, "ListenChannel") == 0 &&
+                          entry.type == DBUS_TYPE_UINT32) {
+                       wpa_s->conf->p2p_listen_channel = entry.uint32_value;
+                       wpa_s->conf->changed_parameters |=
+                               CFG_CHANGED_P2P_LISTEN_CHANNEL;
+               } else if (os_strcmp(entry.key, "OperRegClass") == 0 &&
+                          entry.type == DBUS_TYPE_UINT32) {
+                       wpa_s->conf->p2p_oper_reg_class = entry.uint32_value;
+                       wpa_s->conf->changed_parameters |=
+                               CFG_CHANGED_P2P_OPER_CHANNEL;
+               } else if (os_strcmp(entry.key, "OperChannel") == 0 &&
+                          entry.type == DBUS_TYPE_UINT32) {
+                       wpa_s->conf->p2p_oper_channel = entry.uint32_value;
+                       wpa_s->conf->changed_parameters |=
+                               CFG_CHANGED_P2P_OPER_CHANNEL;
+               } else if (os_strcmp(entry.key, "SsidPostfix") == 0) {
+                       char *postfix;
+
+                       if (entry.type != DBUS_TYPE_STRING)
+                               goto error;
+
+                       postfix = os_strdup(entry.str_value);
+                       if (!postfix)
+                               goto err_no_mem_clear;
+
+                       os_free(wpa_s->conf->p2p_ssid_postfix);
+                       wpa_s->conf->p2p_ssid_postfix = postfix;
+
+                       wpa_s->conf->changed_parameters |=
+                                       CFG_CHANGED_P2P_SSID_POSTFIX;
+               } else if (os_strcmp(entry.key, "IntraBss") == 0 &&
+                          entry.type == DBUS_TYPE_BOOLEAN) {
+                       wpa_s->conf->p2p_intra_bss = entry.bool_value;
+                       wpa_s->conf->changed_parameters |=
+                               CFG_CHANGED_P2P_INTRA_BSS;
+               } else if (os_strcmp(entry.key, "GroupIdle") == 0 &&
+                          entry.type == DBUS_TYPE_UINT32)
+                       wpa_s->conf->p2p_group_idle = entry.uint32_value;
+               else if (os_strcmp(entry.key, "disassoc_low_ack") == 0 &&
+                        entry.type == DBUS_TYPE_UINT32)
+                       wpa_s->conf->disassoc_low_ack = entry.uint32_value;
+               else if (os_strcmp(entry.key, "NoGroupIface") == 0 &&
+                        entry.type == DBUS_TYPE_BOOLEAN)
+                       wpa_s->conf->p2p_no_group_iface = entry.bool_value;
+               else if (os_strcmp(entry.key, "p2p_search_delay") == 0 &&
+                        entry.type == DBUS_TYPE_UINT32)
+                       wpa_s->conf->p2p_search_delay = entry.uint32_value;
+               else
+                       goto error;
+
+               wpa_dbus_dict_entry_clear(&entry);
+       }
+
+       if (wpa_s->conf->changed_parameters) {
+               /* Some changed parameters requires to update config*/
+               wpa_supplicant_update_config(wpa_s);
+       }
+
+       return TRUE;
+
+ error:
+       dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
+                            "invalid message format");
+       wpa_dbus_dict_entry_clear(&entry);
+       return FALSE;
+
+ err_no_mem_clear:
+       dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+       wpa_dbus_dict_entry_clear(&entry);
+       return FALSE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peers(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       struct p2p_data *p2p = wpa_s->global->p2p;
+       int next = 0, i = 0;
+       int num = 0, out_of_mem = 0;
+       const u8 *addr;
+       const struct p2p_peer_info *peer_info = NULL;
+       dbus_bool_t success = FALSE;
+
+       struct dl_list peer_objpath_list;
+       struct peer_objpath_node {
+               struct dl_list list;
+               char path[WPAS_DBUS_OBJECT_PATH_MAX];
+       } *node, *tmp;
+
+       char **peer_obj_paths = NULL;
+
+       if (!wpa_dbus_p2p_check_enabled(wpa_s, NULL, NULL, error) ||
+           !wpa_s->parent->parent->dbus_new_path)
+               return FALSE;
+
+       dl_list_init(&peer_objpath_list);
+
+       /* Get the first peer info */
+       peer_info = p2p_get_peer_found(p2p, NULL, next);
+
+       /* Get next and accumulate them */
+       next = 1;
+       while (peer_info != NULL) {
+               node = os_zalloc(sizeof(struct peer_objpath_node));
+               if (!node) {
+                       out_of_mem = 1;
+                       goto error;
+               }
+
+               addr = peer_info->p2p_device_addr;
+               os_snprintf(node->path, WPAS_DBUS_OBJECT_PATH_MAX,
+                           "%s/" WPAS_DBUS_NEW_P2P_PEERS_PART
+                           "/" COMPACT_MACSTR,
+                           wpa_s->parent->parent->dbus_new_path,
+                           MAC2STR(addr));
+               dl_list_add_tail(&peer_objpath_list, &node->list);
+               num++;
+
+               peer_info = p2p_get_peer_found(p2p, addr, next);
+       }
+
+       /*
+        * Now construct the peer object paths in a form suitable for
+        * array_property_getter helper below.
+        */
+       peer_obj_paths = os_calloc(num, sizeof(char *));
+
+       if (!peer_obj_paths) {
+               out_of_mem = 1;
+               goto error;
+       }
+
+       dl_list_for_each_safe(node, tmp, &peer_objpath_list,
+                             struct peer_objpath_node, list)
+               peer_obj_paths[i++] = node->path;
+
+       success = wpas_dbus_simple_array_property_getter(iter,
+                                                        DBUS_TYPE_OBJECT_PATH,
+                                                        peer_obj_paths, num,
+                                                        error);
+
+error:
+       if (peer_obj_paths)
+               os_free(peer_obj_paths);
+
+       dl_list_for_each_safe(node, tmp, &peer_objpath_list,
+                             struct peer_objpath_node, list) {
+               dl_list_del(&node->list);
+               os_free(node);
+       }
+       if (out_of_mem)
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+
+       return success;
+}
+
+
+enum wpas_p2p_role {
+       WPAS_P2P_ROLE_DEVICE,
+       WPAS_P2P_ROLE_GO,
+       WPAS_P2P_ROLE_CLIENT,
+};
+
+static enum wpas_p2p_role wpas_get_p2p_role(struct wpa_supplicant *wpa_s)
+{
+       struct wpa_ssid *ssid = wpa_s->current_ssid;
+
+       if (!ssid)
+               return WPAS_P2P_ROLE_DEVICE;
+       if (wpa_s->wpa_state != WPA_COMPLETED)
+               return WPAS_P2P_ROLE_DEVICE;
+
+       switch (ssid->mode) {
+       case WPAS_MODE_P2P_GO:
+       case WPAS_MODE_P2P_GROUP_FORMATION:
+               return WPAS_P2P_ROLE_GO;
+       case WPAS_MODE_INFRA:
+               if (ssid->p2p_group)
+                       return WPAS_P2P_ROLE_CLIENT;
+               return WPAS_P2P_ROLE_DEVICE;
+       default:
+               return WPAS_P2P_ROLE_DEVICE;
+       }
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_role(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       char *str;
+
+       switch (wpas_get_p2p_role(wpa_s)) {
+       case WPAS_P2P_ROLE_GO:
+               str = "GO";
+               break;
+       case WPAS_P2P_ROLE_CLIENT:
+               str = "client";
+               break;
+       default:
+               str = "device";
+               break;
+       }
+
+       return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &str,
+                                               error);
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_group(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       char path_buf[WPAS_DBUS_OBJECT_PATH_MAX];
+       char *dbus_groupobj_path = path_buf;
+
+       if (wpa_s->dbus_groupobj_path == NULL)
+               os_snprintf(dbus_groupobj_path, WPAS_DBUS_OBJECT_PATH_MAX,
+                           "/");
+       else
+               os_snprintf(dbus_groupobj_path, WPAS_DBUS_OBJECT_PATH_MAX,
+                           "%s", wpa_s->dbus_groupobj_path);
+
+       return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
+                                               &dbus_groupobj_path, error);
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peergo(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       char go_peer_obj_path[WPAS_DBUS_OBJECT_PATH_MAX], *path;
+
+       if (!wpa_s->parent->parent->dbus_new_path)
+               return FALSE;
+
+       if (wpas_get_p2p_role(wpa_s) != WPAS_P2P_ROLE_CLIENT)
+               os_snprintf(go_peer_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
+       else
+               os_snprintf(go_peer_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
+                           "%s/" WPAS_DBUS_NEW_P2P_PEERS_PART "/"
+                           COMPACT_MACSTR,
+                           wpa_s->parent->parent->dbus_new_path,
+                           MAC2STR(wpa_s->go_dev_addr));
+
+       path = go_peer_obj_path;
+       return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
+                                               &path, error);
+}
+
+
+/*
+ * Peer object properties accessor methods
+ */
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_device_name(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+       char *tmp;
+
+       if (!wpa_dbus_p2p_check_enabled(peer_args->wpa_s, NULL, NULL, error))
+               return FALSE;
+
+       /* get the peer info */
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED,
+                              "failed to find peer");
+               return FALSE;
+       }
+
+       tmp = os_strdup(info->device_name);
+       if (!tmp) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               return FALSE;
+       }
+
+       if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &tmp,
+                                             error)) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               os_free(tmp);
+               return FALSE;
+       }
+
+       os_free(tmp);
+       return TRUE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_manufacturer(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+       char *tmp;
+
+       if (!wpa_dbus_p2p_check_enabled(peer_args->wpa_s, NULL, NULL, error))
+               return FALSE;
+
+       /* get the peer info */
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED, "failed to find peer");
+               return FALSE;
+       }
+
+       tmp = os_strdup(info->manufacturer);
+       if (!tmp) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               return FALSE;
+       }
+
+       if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &tmp,
+                                             error)) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               os_free(tmp);
+               return FALSE;
+       }
+
+       os_free(tmp);
+       return TRUE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_modelname(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+       char *tmp;
+
+       if (!wpa_dbus_p2p_check_enabled(peer_args->wpa_s, NULL, NULL, error))
+               return FALSE;
+
+       /* get the peer info */
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED, "failed to find peer");
+               return FALSE;
+       }
+
+       tmp = os_strdup(info->model_name);
+       if (!tmp) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               return FALSE;
+       }
+
+       if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &tmp,
+                                             error)) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               os_free(tmp);
+               return FALSE;
+       }
+
+       os_free(tmp);
+       return TRUE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_modelnumber(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+       char *tmp;
+
+       if (!wpa_dbus_p2p_check_enabled(peer_args->wpa_s, NULL, NULL, error))
+               return FALSE;
+
+       /* get the peer info */
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED, "failed to find peer");
+               return FALSE;
+       }
+
+       tmp = os_strdup(info->model_number);
+       if (!tmp) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               return FALSE;
+       }
+
+       if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &tmp,
+                                             error)) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               os_free(tmp);
+               return FALSE;
+       }
+
+       os_free(tmp);
+       return TRUE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_serialnumber(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+       char *tmp;
+
+       if (!wpa_dbus_p2p_check_enabled(peer_args->wpa_s, NULL, NULL, error))
+               return FALSE;
+
+       /* get the peer info */
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED, "failed to find peer");
+               return FALSE;
+       }
+
+       tmp = os_strdup(info->serial_number);
+       if (!tmp) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               return FALSE;
+       }
+
+       if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &tmp,
+                                             error)) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               os_free(tmp);
+               return FALSE;
+       }
+
+       os_free(tmp);
+       return TRUE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_primary_device_type(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED,
+                              "failed to find peer");
+               return FALSE;
+       }
+
+       if (!wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
+                                                   (char *)
+                                                   info->pri_dev_type,
+                                                   WPS_DEV_TYPE_LEN, error)) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_config_method(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED,
+                              "failed to find peer");
+               return FALSE;
+       }
+
+       if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
+                                             &info->config_methods, error)) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_level(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED,
+                              "failed to find peer");
+               return FALSE;
+       }
+
+       if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
+                                             &info->level, error)) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_device_capability(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED,
+                              "failed to find peer");
+               return FALSE;
+       }
+
+       if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BYTE,
+                                             &info->dev_capab, error)) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_group_capability(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED,
+                              "failed to find peer");
+               return FALSE;
+       }
+
+       if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BYTE,
+                                             &info->group_capab, error)) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_secondary_device_types(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+       DBusMessageIter variant_iter, array_iter;
+
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED, "failed to find peer");
+               return FALSE;
+       }
+
+       if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
+                                             DBUS_TYPE_ARRAY_AS_STRING
+                                             DBUS_TYPE_ARRAY_AS_STRING
+                                             DBUS_TYPE_BYTE_AS_STRING,
+                                             &variant_iter) ||
+           !dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
+                                             DBUS_TYPE_ARRAY_AS_STRING
+                                             DBUS_TYPE_BYTE_AS_STRING,
+                                             &array_iter)) {
+               dbus_set_error(error, DBUS_ERROR_FAILED,
+                              "%s: failed to construct message 1", __func__);
+               return FALSE;
+       }
+
+       if (info->wps_sec_dev_type_list_len) {
+               const u8 *sec_dev_type_list = info->wps_sec_dev_type_list;
+               int num_sec_device_types =
+                       info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN;
+               int i;
+               DBusMessageIter inner_array_iter;
+
+               for (i = 0; i < num_sec_device_types; i++) {
+                       if (!dbus_message_iter_open_container(
+                                   &array_iter, DBUS_TYPE_ARRAY,
+                                   DBUS_TYPE_BYTE_AS_STRING,
+                                   &inner_array_iter) ||
+                           !dbus_message_iter_append_fixed_array(
+                                   &inner_array_iter, DBUS_TYPE_BYTE,
+                                   &sec_dev_type_list, WPS_DEV_TYPE_LEN) ||
+                           !dbus_message_iter_close_container(
+                                   &array_iter, &inner_array_iter)) {
+                               dbus_set_error(error, DBUS_ERROR_FAILED,
+                                              "%s: failed to construct message 2 (%d)",
+                                              __func__, i);
+                               return FALSE;
+                       }
+
+                       sec_dev_type_list += WPS_DEV_TYPE_LEN;
+               }
+       }
+
+       if (!dbus_message_iter_close_container(&variant_iter, &array_iter) ||
+           !dbus_message_iter_close_container(iter, &variant_iter)) {
+               dbus_set_error(error, DBUS_ERROR_FAILED,
+                              "%s: failed to construct message 3", __func__);
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_vendor_extension(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpabuf *vendor_extension[P2P_MAX_WPS_VENDOR_EXT];
+       unsigned int i, num = 0;
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED,
+                              "failed to find peer");
+               return FALSE;
+       }
+
+       /* Add WPS vendor extensions attribute */
+       os_memset(vendor_extension, 0, sizeof(vendor_extension));
+       for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+               if (info->wps_vendor_ext[i] == NULL)
+                       continue;
+               vendor_extension[num] = info->wps_vendor_ext[i];
+               num++;
+       }
+
+       if (!wpas_dbus_simple_array_array_property_getter(iter, DBUS_TYPE_BYTE,
+                                                         vendor_extension,
+                                                         num, error))
+               return FALSE;
+
+       return TRUE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_ies(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED,
+                              "failed to find peer");
+               return FALSE;
+       }
+
+       if (info->wfd_subelems == NULL)
+               return wpas_dbus_simple_array_property_getter(iter,
+                                                             DBUS_TYPE_BYTE,
+                                                             NULL, 0, error);
+
+       return wpas_dbus_simple_array_property_getter(
+               iter, DBUS_TYPE_BYTE, (char *) info->wfd_subelems->buf,
+               info->wfd_subelems->used, error);
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_device_address(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED,
+                              "failed to find peer");
+               return FALSE;
+       }
+
+       return wpas_dbus_simple_array_property_getter(
+               iter, DBUS_TYPE_BYTE, (char *) info->p2p_device_addr,
+               ETH_ALEN, error);
+}
+
+
+struct peer_group_data {
+       struct wpa_supplicant *wpa_s;
+       const struct p2p_peer_info *info;
+       char **paths;
+       unsigned int nb_paths;
+       int error;
+};
+
+
+static int match_group_where_peer_is_client(struct p2p_group *group,
+                                           void *user_data)
+{
+       struct peer_group_data *data = user_data;
+       const struct p2p_group_config *cfg;
+       struct wpa_supplicant *wpa_s_go;
+       char **paths;
+
+       if (!p2p_group_is_client_connected(group, data->info->p2p_device_addr))
+               return 1;
+
+       cfg = p2p_group_get_config(group);
+
+       wpa_s_go = wpas_get_p2p_go_iface(data->wpa_s, cfg->ssid,
+                                        cfg->ssid_len);
+       if (wpa_s_go == NULL)
+               return 1;
+
+       paths = os_realloc_array(data->paths, data->nb_paths + 1,
+                                sizeof(char *));
+       if (paths == NULL)
+               goto out_of_memory;
+
+       data->paths = paths;
+       data->paths[data->nb_paths] = wpa_s_go->dbus_groupobj_path;
+       data->nb_paths++;
+
+       return 1;
+
+out_of_memory:
+       data->error = ENOMEM;
+       return 0;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_peer_groups(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct peer_handler_args *peer_args = user_data;
+       const struct p2p_peer_info *info;
+       struct peer_group_data data;
+       struct wpa_supplicant *wpa_s, *wpa_s_go;
+       dbus_bool_t success = FALSE;
+
+       info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
+                                 peer_args->p2p_device_addr, 0);
+       if (info == NULL) {
+               dbus_set_error(error, DBUS_ERROR_FAILED,
+                              "failed to find peer");
+               return FALSE;
+       }
+
+       os_memset(&data, 0, sizeof(data));
+
+       wpa_s = peer_args->wpa_s;
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       wpa_s_go = wpas_get_p2p_client_iface(wpa_s, info->p2p_device_addr);
+       if (wpa_s_go) {
+               data.paths = os_calloc(1, sizeof(char *));
+               if (data.paths == NULL)
+                       goto out_of_memory;
+               data.paths[0] = wpa_s_go->dbus_groupobj_path;
+               data.nb_paths = 1;
+       }
+
+       data.wpa_s = peer_args->wpa_s;
+       data.info = info;
+
+       p2p_loop_on_all_groups(peer_args->wpa_s->global->p2p,
+                              match_group_where_peer_is_client, &data);
+       if (data.error)
+               goto out_of_memory;
+
+       if (data.paths == NULL) {
+               return wpas_dbus_simple_array_property_getter(
+                       iter, DBUS_TYPE_OBJECT_PATH, NULL, 0, error);
+       }
+
+       success = wpas_dbus_simple_array_property_getter(iter,
+                                                        DBUS_TYPE_OBJECT_PATH,
+                                                        data.paths,
+                                                        data.nb_paths, error);
+       goto out;
+
+out_of_memory:
+       dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+out:
+       os_free(data.paths);
+       return success;
+}
+
+
+/**
+ * wpas_dbus_getter_persistent_groups - Get array of persistent group objects
+ * @iter: Pointer to incoming dbus message iter
+ * @error: Location to store error on failure
+ * @user_data: Function specific data
+ * Returns: TRUE on success, FALSE on failure
+ *
+ * Getter for "PersistentGroups" property.
+ */
+dbus_bool_t wpas_dbus_getter_persistent_groups(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       struct wpa_ssid *ssid;
+       char **paths;
+       unsigned int i = 0, num = 0;
+       dbus_bool_t success = FALSE;
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+       if (!wpa_s->parent->dbus_new_path)
+               return FALSE;
+
+       for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
+               if (network_is_persistent_group(ssid))
+                       num++;
+
+       paths = os_calloc(num, sizeof(char *));
+       if (!paths) {
+               dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+               return FALSE;
+       }
+
+       /* Loop through configured networks and append object path of each */
+       for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
+               if (!network_is_persistent_group(ssid))
+                       continue;
+               paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
+               if (paths[i] == NULL) {
+                       dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
+                                            "no memory");
+                       goto out;
+               }
+               /* Construct the object path for this network. */
+               os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
+                           "%s/" WPAS_DBUS_NEW_PERSISTENT_GROUPS_PART "/%d",
+                           wpa_s->parent->dbus_new_path, ssid->id);
+       }
+
+       success = wpas_dbus_simple_array_property_getter(iter,
+                                                        DBUS_TYPE_OBJECT_PATH,
+                                                        paths, num, error);
+
+out:
+       while (i)
+               os_free(paths[--i]);
+       os_free(paths);
+       return success;
+}
+
+
+/**
+ * wpas_dbus_getter_persistent_group_properties - Get options for a persistent
+ *     group
+ * @iter: Pointer to incoming dbus message iter
+ * @error: Location to store error on failure
+ * @user_data: Function specific data
+ * Returns: TRUE on success, FALSE on failure
+ *
+ * Getter for "Properties" property of a persistent group.
+ */
+dbus_bool_t wpas_dbus_getter_persistent_group_properties(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct network_handler_args *net = user_data;
+
+       /* Leveraging the fact that persistent group object is still
+        * represented in same manner as network within.
+        */
+       return wpas_dbus_getter_network_properties(property_desc, iter, error, net);
+}
+
+
+/**
+ * wpas_dbus_setter_persistent_group_properties - Set options for a persistent
+ *     group
+ * @iter: Pointer to incoming dbus message iter
+ * @error: Location to store error on failure
+ * @user_data: Function specific data
+ * Returns: TRUE on success, FALSE on failure
+ *
+ * Setter for "Properties" property of a persistent group.
+ */
+dbus_bool_t wpas_dbus_setter_persistent_group_properties(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct network_handler_args *net = user_data;
+       struct wpa_ssid *ssid = net->ssid;
+       DBusMessageIter variant_iter;
+
+       /*
+        * Leveraging the fact that persistent group object is still
+        * represented in same manner as network within.
+        */
+       dbus_message_iter_recurse(iter, &variant_iter);
+       return set_network_properties(net->wpa_s, ssid, &variant_iter, error);
+}
+
+
+/**
+ * wpas_dbus_new_iface_add_persistent_group - Add a new configured
+ *     persistent_group
+ * @message: Pointer to incoming dbus message
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * Returns: A dbus message containing the object path of the new
+ * persistent group
+ *
+ * Handler function for "AddPersistentGroup" method call of a P2P Device
+ * interface.
+ */
+DBusMessage * wpas_dbus_handler_add_persistent_group(
+       DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+       DBusMessage *reply = NULL;
+       DBusMessageIter iter;
+       struct wpa_ssid *ssid = NULL;
+       char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
+       DBusError error;
+
+       dbus_message_iter_init(message, &iter);
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+       if (wpa_s->parent->dbus_new_path)
+               ssid = wpa_config_add_network(wpa_s->conf);
+       if (ssid == NULL) {
+               wpa_printf(MSG_ERROR,
+                          "dbus: %s: Cannot add new persistent group",
+                          __func__);
+               reply = wpas_dbus_error_unknown_error(
+                       message,
+                       "wpa_supplicant could not add a persistent group on this interface.");
+               goto err;
+       }
+
+       /* Mark the ssid as being a persistent group before the notification */
+       ssid->disabled = 2;
+       ssid->p2p_persistent_group = 1;
+       wpas_notify_persistent_group_added(wpa_s, ssid);
+
+       wpa_config_set_network_defaults(ssid);
+
+       dbus_error_init(&error);
+       if (!set_network_properties(wpa_s, ssid, &iter, &error)) {
+               wpa_printf(MSG_DEBUG,
+                          "dbus: %s: Control interface could not set persistent group properties",
+                          __func__);
+               reply = wpas_dbus_reply_new_from_error(
+                       message, &error, DBUS_ERROR_INVALID_ARGS,
+                       "Failed to set network properties");
+               dbus_error_free(&error);
+               goto err;
+       }
+
+       /* Construct the object path for this network. */
+       os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
+                   "%s/" WPAS_DBUS_NEW_PERSISTENT_GROUPS_PART "/%d",
+                   wpa_s->parent->dbus_new_path, ssid->id);
+
+       reply = dbus_message_new_method_return(message);
+       if (reply == NULL) {
+               reply = wpas_dbus_error_no_memory(message);
+               goto err;
+       }
+       if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
+                                     DBUS_TYPE_INVALID)) {
+               dbus_message_unref(reply);
+               reply = wpas_dbus_error_no_memory(message);
+               goto err;
+       }
+
+       return reply;
+
+err:
+       if (ssid) {
+               wpas_notify_persistent_group_removed(wpa_s, ssid);
+               wpa_config_remove_network(wpa_s->conf, ssid->id);
+       }
+       return reply;
+}
+
+
+/**
+ * wpas_dbus_handler_remove_persistent_group - Remove a configured persistent
+ *     group
+ * @message: Pointer to incoming dbus message
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * Returns: NULL on success or dbus error on failure
+ *
+ * Handler function for "RemovePersistentGroup" method call of a P2P Device
+ * interface.
+ */
+DBusMessage * wpas_dbus_handler_remove_persistent_group(
+       DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+       DBusMessage *reply = NULL;
+       const char *op;
+       char *iface = NULL, *persistent_group_id;
+       int id;
+       struct wpa_ssid *ssid;
+
+       dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
+                             DBUS_TYPE_INVALID);
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       /*
+        * Extract the network ID and ensure the network is actually a child of
+        * this interface.
+        */
+       iface = wpas_dbus_new_decompose_object_path(
+               op, WPAS_DBUS_NEW_PERSISTENT_GROUPS_PART,
+               &persistent_group_id);
+       if (iface == NULL || persistent_group_id == NULL ||
+           !wpa_s->parent->dbus_new_path ||
+           os_strcmp(iface, wpa_s->parent->dbus_new_path) != 0) {
+               reply = wpas_dbus_error_invalid_args(message, op);
+               goto out;
+       }
+
+       id = strtoul(persistent_group_id, NULL, 10);
+       if (errno == EINVAL) {
+               reply = wpas_dbus_error_invalid_args(message, op);
+               goto out;
+       }
+
+       ssid = wpa_config_get_network(wpa_s->conf, id);
+       if (ssid == NULL) {
+               reply = wpas_dbus_error_persistent_group_unknown(message);
+               goto out;
+       }
+
+       wpas_notify_persistent_group_removed(wpa_s, ssid);
+
+       if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
+               wpa_printf(MSG_ERROR,
+                          "dbus: %s: error occurred when removing persistent group %d",
+                          __func__, id);
+               reply = wpas_dbus_error_unknown_error(
+                       message,
+                       "error removing the specified persistent group on this interface.");
+               goto out;
+       }
+
+out:
+       os_free(iface);
+       return reply;
+}
+
+
+static void remove_persistent_group(struct wpa_supplicant *wpa_s,
+                                   struct wpa_ssid *ssid)
+{
+       wpas_notify_persistent_group_removed(wpa_s, ssid);
+
+       if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) {
+               wpa_printf(MSG_ERROR,
+                          "dbus: %s: error occurred when removing persistent group %d",
+                          __func__, ssid->id);
+               return;
+       }
+}
+
+
+/**
+ * wpas_dbus_handler_remove_all_persistent_groups - Remove all configured
+ * persistent groups
+ * @message: Pointer to incoming dbus message
+ * @wpa_s: wpa_supplicant structure for a network interface
+ * Returns: NULL on success or dbus error on failure
+ *
+ * Handler function for "RemoveAllPersistentGroups" method call of a
+ * P2P Device interface.
+ */
+DBusMessage * wpas_dbus_handler_remove_all_persistent_groups(
+       DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+       struct wpa_ssid *ssid, *next;
+       struct wpa_config *config;
+
+       wpa_s = wpa_s->global->p2p_init_wpa_s;
+
+       config = wpa_s->conf;
+       ssid = config->ssid;
+       while (ssid) {
+               next = ssid->next;
+               if (network_is_persistent_group(ssid))
+                       remove_persistent_group(wpa_s, ssid);
+               ssid = next;
+       }
+       return NULL;
+}
+
+
+/*
+ * Group object properties accessor methods
+ */
+
+dbus_bool_t wpas_dbus_getter_p2p_group_members(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       struct wpa_ssid *ssid;
+       unsigned int num_members;
+       char **paths;
+       unsigned int i;
+       void *next = NULL;
+       const u8 *addr;
+       dbus_bool_t success = FALSE;
+
+       if (!wpa_s->parent->parent->dbus_new_path)
+               return FALSE;
+
+       /* Verify correct role for this property */
+       if (wpas_get_p2p_role(wpa_s) != WPAS_P2P_ROLE_GO) {
+               return wpas_dbus_simple_array_property_getter(
+                       iter, DBUS_TYPE_OBJECT_PATH, NULL, 0, error);
+       }
+
+       ssid = wpa_s->conf->ssid;
+       /* At present WPAS P2P_GO mode only applicable for p2p_go */
+       if (ssid->mode != WPAS_MODE_P2P_GO &&
+           ssid->mode != WPAS_MODE_AP &&
+           ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION)
+               return FALSE;
+
+       num_members = p2p_get_group_num_members(wpa_s->p2p_group);
+
+       paths = os_calloc(num_members, sizeof(char *));
+       if (!paths)
+               goto out_of_memory;
+
+       i = 0;
+       while ((addr = p2p_iterate_group_members(wpa_s->p2p_group, &next))) {
+               paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
+               if (!paths[i])
+                       goto out_of_memory;
+               os_snprintf(paths[i], WPAS_DBUS_OBJECT_PATH_MAX,
+                           "%s/" WPAS_DBUS_NEW_P2P_PEERS_PART
+                           "/" COMPACT_MACSTR,
+                           wpa_s->parent->parent->dbus_new_path,
+                           MAC2STR(addr));
+               i++;
+       }
+
+       success = wpas_dbus_simple_array_property_getter(iter,
+                                                        DBUS_TYPE_OBJECT_PATH,
+                                                        paths, num_members,
+                                                        error);
+
+       for (i = 0; i < num_members; i++)
+               os_free(paths[i]);
+       os_free(paths);
+       return success;
+
+out_of_memory:
+       dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
+       if (paths) {
+               for (i = 0; i < num_members; i++)
+                       os_free(paths[i]);
+               os_free(paths);
+       }
+       return FALSE;
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_group_ssid(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+
+       if (wpa_s->current_ssid == NULL)
+               return FALSE;
+       return wpas_dbus_simple_array_property_getter(
+               iter, DBUS_TYPE_BYTE, wpa_s->current_ssid->ssid,
+               wpa_s->current_ssid->ssid_len, error);
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_group_bssid(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       u8 role = wpas_get_p2p_role(wpa_s);
+       u8 *p_bssid;
+
+       if (role == WPAS_P2P_ROLE_CLIENT) {
+               if (wpa_s->current_ssid == NULL)
+                       return FALSE;
+               p_bssid = wpa_s->current_ssid->bssid;
+       } else {
+               if (wpa_s->ap_iface == NULL)
+                       return FALSE;
+               p_bssid = wpa_s->ap_iface->bss[0]->own_addr;
+       }
+
+       return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
+                                                     p_bssid, ETH_ALEN,
+                                                     error);
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_group_frequency(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       u16 op_freq;
+       u8 role = wpas_get_p2p_role(wpa_s);
+
+       if (role == WPAS_P2P_ROLE_CLIENT) {
+               if (wpa_s->go_params == NULL)
+                       return FALSE;
+               op_freq = wpa_s->go_params->freq;
+       } else {
+               if (wpa_s->ap_iface == NULL)
+                       return FALSE;
+               op_freq = wpa_s->ap_iface->freq;
+       }
+
+       return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
+                                               &op_freq, error);
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_group_passphrase(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       char *p_pass;
+       struct wpa_ssid *ssid = wpa_s->current_ssid;
+
+       if (ssid == NULL)
+               return FALSE;
+
+       p_pass = ssid->passphrase;
+       if (!p_pass)
+               p_pass = "";
+
+       return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
+                                               &p_pass, error);
+
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_group_psk(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       u8 *p_psk = NULL;
+       u8 psk_len = 0;
+       struct wpa_ssid *ssid = wpa_s->current_ssid;
+
+       if (ssid == NULL)
+               return FALSE;
+
+       if (ssid->psk_set) {
+               p_psk = ssid->psk;
+               psk_len = sizeof(ssid->psk);
+       }
+
+       return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
+                                                     p_psk, psk_len, error);
+}
+
+
+dbus_bool_t wpas_dbus_getter_p2p_group_vendor_ext(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       struct hostapd_data *hapd;
+       struct wpabuf *vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
+       unsigned int i, num_vendor_ext = 0;
+
+       os_memset(vendor_ext, 0, sizeof(vendor_ext));
+
+       /* Verify correct role for this property */
+       if (wpas_get_p2p_role(wpa_s) == WPAS_P2P_ROLE_GO) {
+               if (wpa_s->ap_iface == NULL)
+                       return FALSE;
+               hapd = wpa_s->ap_iface->bss[0];
+
+               /* Parse WPS Vendor Extensions sent in Beacon/Probe Response */
+               for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
+                       if (hapd->conf->wps_vendor_ext[i] == NULL)
+                               continue;
+                       vendor_ext[num_vendor_ext++] =
+                               hapd->conf->wps_vendor_ext[i];
+               }
+       }
+
+       /* Return vendor extensions or no data */
+       return wpas_dbus_simple_array_array_property_getter(iter,
+                                                           DBUS_TYPE_BYTE,
+                                                           vendor_ext,
+                                                           num_vendor_ext,
+                                                           error);
+}
+
+
+dbus_bool_t wpas_dbus_setter_p2p_group_vendor_ext(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_supplicant *wpa_s = user_data;
+       DBusMessageIter variant_iter, iter_dict, array_iter, sub;
+       struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
+       unsigned int i;
+       struct hostapd_data *hapd = NULL;
+
+       if (wpas_get_p2p_role(wpa_s) == WPAS_P2P_ROLE_GO &&
+           wpa_s->ap_iface != NULL)
+               hapd = wpa_s->ap_iface->bss[0];
+       else
+               return FALSE;
+
+       dbus_message_iter_recurse(iter, &variant_iter);
+       if (dbus_message_iter_get_arg_type(&variant_iter) != DBUS_TYPE_ARRAY)
+               return FALSE;
+
+       /*
+        * This is supposed to be array of bytearrays (aay), but the earlier
+        * implementation used a dict with "WPSVendorExtensions" as the key in
+        * this setter function which does not match the format used by the
+        * getter function. For backwards compatibility, allow both formats to
+        * be used in the setter.
+        */
+       if (dbus_message_iter_get_element_type(&variant_iter) ==
+           DBUS_TYPE_ARRAY) {
+               /* This is the proper format matching the getter */
+               struct wpabuf *vals[MAX_WPS_VENDOR_EXTENSIONS];
+
+               dbus_message_iter_recurse(&variant_iter, &array_iter);
+
+               if (dbus_message_iter_get_arg_type(&array_iter) !=
+                   DBUS_TYPE_ARRAY ||
+                   dbus_message_iter_get_element_type(&array_iter) !=
+                   DBUS_TYPE_BYTE) {
+                       wpa_printf(MSG_DEBUG,
+                                  "dbus: Not an array of array of bytes");
+                       return FALSE;
+               }
+
+               i = 0;
+               os_memset(vals, 0, sizeof(vals));
+
+               while (dbus_message_iter_get_arg_type(&array_iter) ==
+                      DBUS_TYPE_ARRAY) {
+                       char *val;
+                       int len;
+
+                       if (i == MAX_WPS_VENDOR_EXTENSIONS) {
+                               wpa_printf(MSG_DEBUG,
+                                          "dbus: Too many WPSVendorExtensions values");
+                               i = MAX_WPS_VENDOR_EXTENSIONS + 1;
+                               break;
+                       }
+
+                       dbus_message_iter_recurse(&array_iter, &sub);
+                       dbus_message_iter_get_fixed_array(&sub, &val, &len);
+                       wpa_hexdump(MSG_DEBUG, "dbus: WPSVendorExtentions[]",
+                                   val, len);
+                       vals[i] = wpabuf_alloc_copy(val, len);
+                       if (vals[i] == NULL) {
+                               i = MAX_WPS_VENDOR_EXTENSIONS + 1;
+                               break;
+                       }
+                       i++;
+                       dbus_message_iter_next(&array_iter);
+               }
+
+               if (i > MAX_WPS_VENDOR_EXTENSIONS) {
+                       for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++)
+                               wpabuf_free(vals[i]);
+                       return FALSE;
+               }
+
+               for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
+                       wpabuf_free(hapd->conf->wps_vendor_ext[i]);
+                       hapd->conf->wps_vendor_ext[i] = vals[i];
+               }
+
+               hostapd_update_wps(hapd);
+
+               return TRUE;
+       }
+
+       if (dbus_message_iter_get_element_type(&variant_iter) !=
+           DBUS_TYPE_DICT_ENTRY)
+               return FALSE;
+
+       wpa_printf(MSG_DEBUG,
+                  "dbus: Try to use backwards compatibility version of WPSVendorExtensions setter");
+       if (!wpa_dbus_dict_open_read(&variant_iter, &iter_dict, error))
+               return FALSE;
+
+       while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
+                       dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
+                                            "invalid message format");
+                       return FALSE;
+               }
+
+               if (os_strcmp(entry.key, "WPSVendorExtensions") == 0) {
+                       if (entry.type != DBUS_TYPE_ARRAY ||
+                           entry.array_type != WPAS_DBUS_TYPE_BINARRAY ||
+                           entry.array_len > MAX_WPS_VENDOR_EXTENSIONS)
+                               goto error;
+
+                       for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
+                               wpabuf_free(hapd->conf->wps_vendor_ext[i]);
+                               if (i < entry.array_len) {
+                                       hapd->conf->wps_vendor_ext[i] =
+                                               entry.binarray_value[i];
+                                       entry.binarray_value[i] = NULL;
+                               } else
+                                       hapd->conf->wps_vendor_ext[i] = NULL;
+                       }
+
+                       hostapd_update_wps(hapd);
+               } else
+                       goto error;
+
+               wpa_dbus_dict_entry_clear(&entry);
+       }
+
+       return TRUE;
+
+error:
+       wpa_dbus_dict_entry_clear(&entry);
+       dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
+                            "invalid message format");
+       return FALSE;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_add_service(DBusMessage *message,
+                                               struct wpa_supplicant *wpa_s)
+{
+       DBusMessageIter iter_dict;
+       DBusMessage *reply = NULL;
+       DBusMessageIter iter;
+       struct wpa_dbus_dict_entry entry;
+       int upnp = 0;
+       int bonjour = 0;
+       char *service = NULL;
+       struct wpabuf *query = NULL;
+       struct wpabuf *resp = NULL;
+       u8 version = 0;
+
+       dbus_message_iter_init(message, &iter);
+
+       if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
+               goto error;
+
+       while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                       goto error;
+
+               if (os_strcmp(entry.key, "service_type") == 0 &&
+                   entry.type == DBUS_TYPE_STRING) {
+                       if (os_strcmp(entry.str_value, "upnp") == 0)
+                               upnp = 1;
+                       else if (os_strcmp(entry.str_value, "bonjour") == 0)
+                               bonjour = 1;
+                       else
+                               goto error_clear;
+               } else if (os_strcmp(entry.key, "version") == 0 &&
+                          entry.type == DBUS_TYPE_INT32) {
+                       version = entry.uint32_value;
+               } else if (os_strcmp(entry.key, "service") == 0 &&
+                          entry.type == DBUS_TYPE_STRING) {
+                       os_free(service);
+                       service = os_strdup(entry.str_value);
+               } else if (os_strcmp(entry.key, "query") == 0) {
+                       if (entry.type != DBUS_TYPE_ARRAY ||
+                           entry.array_type != DBUS_TYPE_BYTE)
+                               goto error_clear;
+                       query = wpabuf_alloc_copy(
+                               entry.bytearray_value,
+                               entry.array_len);
+               } else if (os_strcmp(entry.key, "response") == 0) {
+                       if (entry.type != DBUS_TYPE_ARRAY ||
+                           entry.array_type != DBUS_TYPE_BYTE)
+                               goto error_clear;
+                       resp = wpabuf_alloc_copy(entry.bytearray_value,
+                                                entry.array_len);
+               }
+               wpa_dbus_dict_entry_clear(&entry);
+       }
+
+       if (upnp == 1) {
+               if (version <= 0 || service == NULL)
+                       goto error;
+
+               if (wpas_p2p_service_add_upnp(wpa_s, version, service) != 0)
+                       goto error;
+
+       } else if (bonjour == 1) {
+               if (query == NULL || resp == NULL)
+                       goto error;
+
+               if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0)
+                       goto error;
+               query = NULL;
+               resp = NULL;
+       } else
+               goto error;
+
+       os_free(service);
+       return reply;
+error_clear:
+       wpa_dbus_dict_entry_clear(&entry);
+error:
+       os_free(service);
+       wpabuf_free(query);
+       wpabuf_free(resp);
+       return wpas_dbus_error_invalid_args(message, NULL);
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_delete_service(
+       DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+       DBusMessageIter iter_dict;
+       DBusMessage *reply = NULL;
+       DBusMessageIter iter;
+       struct wpa_dbus_dict_entry entry;
+       int upnp = 0;
+       int bonjour = 0;
+       int ret = 0;
+       char *service = NULL;
+       struct wpabuf *query = NULL;
+       u8 version = 0;
+
+       dbus_message_iter_init(message, &iter);
+
+       if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
+               goto error;
+
+       if (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                       goto error;
+
+               if (os_strcmp(entry.key, "service_type") == 0 &&
+                   entry.type == DBUS_TYPE_STRING) {
+                       if (os_strcmp(entry.str_value, "upnp") == 0)
+                               upnp = 1;
+                       else if (os_strcmp(entry.str_value, "bonjour") == 0)
+                               bonjour = 1;
+                       else
+                               goto error_clear;
+                       wpa_dbus_dict_entry_clear(&entry);
+               }
+       }
+       if (upnp == 1) {
+               while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+                       if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                               goto error;
+                       if (os_strcmp(entry.key, "version") == 0 &&
+                           entry.type == DBUS_TYPE_INT32)
+                               version = entry.uint32_value;
+                       else if (os_strcmp(entry.key, "service") == 0 &&
+                                entry.type == DBUS_TYPE_STRING) {
+                               os_free(service);
+                               service = os_strdup(entry.str_value);
+                       } else
+                               goto error_clear;
+
+                       wpa_dbus_dict_entry_clear(&entry);
+               }
+
+               if (version <= 0 || service == NULL)
+                       goto error;
+
+               ret = wpas_p2p_service_del_upnp(wpa_s, version, service);
+               if (ret != 0)
+                       goto error;
+       } else if (bonjour == 1) {
+               while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+                       if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                               goto error;
+
+                       if (os_strcmp(entry.key, "query") == 0) {
+                               if (entry.type != DBUS_TYPE_ARRAY ||
+                                   entry.array_type != DBUS_TYPE_BYTE)
+                                       goto error_clear;
+                               wpabuf_free(query);
+                               query = wpabuf_alloc_copy(
+                                       entry.bytearray_value,
+                                       entry.array_len);
+                       } else
+                               goto error_clear;
+
+                       wpa_dbus_dict_entry_clear(&entry);
+               }
+
+               if (query == NULL)
+                       goto error;
+
+               ret = wpas_p2p_service_del_bonjour(wpa_s, query);
+               if (ret != 0)
+                       goto error;
+       } else
+               goto error;
+
+       wpabuf_free(query);
+       os_free(service);
+       return reply;
+error_clear:
+       wpa_dbus_dict_entry_clear(&entry);
+error:
+       wpabuf_free(query);
+       os_free(service);
+       return wpas_dbus_error_invalid_args(message, NULL);
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_flush_service(DBusMessage *message,
+                                                 struct wpa_supplicant *wpa_s)
+{
+       wpas_p2p_service_flush(wpa_s);
+       return NULL;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_service_sd_req(
+       DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+       DBusMessageIter iter_dict;
+       DBusMessage *reply = NULL;
+       DBusMessageIter iter;
+       struct wpa_dbus_dict_entry entry;
+       int upnp = 0;
+       char *service = NULL;
+       char *peer_object_path = NULL;
+       struct wpabuf *tlv = NULL;
+       u8 version = 0;
+       u64 ref = 0;
+       u8 addr_buf[ETH_ALEN], *addr;
+
+       dbus_message_iter_init(message, &iter);
+
+       if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
+               goto error;
+
+       while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                       goto error;
+               if (os_strcmp(entry.key, "peer_object") == 0 &&
+                   entry.type == DBUS_TYPE_OBJECT_PATH) {
+                       peer_object_path = os_strdup(entry.str_value);
+               } else if (os_strcmp(entry.key, "service_type") == 0 &&
+                          entry.type == DBUS_TYPE_STRING) {
+                       if (os_strcmp(entry.str_value, "upnp") == 0)
+                               upnp = 1;
+                       else
+                               goto error_clear;
+               } else if (os_strcmp(entry.key, "version") == 0 &&
+                          entry.type == DBUS_TYPE_INT32) {
+                       version = entry.uint32_value;
+               } else if (os_strcmp(entry.key, "service") == 0 &&
+                          entry.type == DBUS_TYPE_STRING) {
+                       service = os_strdup(entry.str_value);
+               } else if (os_strcmp(entry.key, "tlv") == 0) {
+                       if (entry.type != DBUS_TYPE_ARRAY ||
+                           entry.array_type != DBUS_TYPE_BYTE)
+                               goto error_clear;
+                       tlv = wpabuf_alloc_copy(entry.bytearray_value,
+                                               entry.array_len);
+               } else
+                       goto error_clear;
+
+               wpa_dbus_dict_entry_clear(&entry);
+       }
+
+       if (!peer_object_path) {
+               addr = NULL;
+       } else {
+               if (parse_peer_object_path(peer_object_path, addr_buf) < 0 ||
+                   !p2p_peer_known(wpa_s->global->p2p, addr_buf))
+                       goto error;
+
+               addr = addr_buf;
+       }
+
+       if (upnp == 1) {
+               if (version <= 0 || service == NULL)
+                       goto error;
+
+               ref = wpas_p2p_sd_request_upnp(wpa_s, addr, version, service);
+       } else {
+               if (tlv == NULL)
+                       goto error;
+               ref = wpas_p2p_sd_request(wpa_s, addr, tlv);
+               wpabuf_free(tlv);
+       }
+
+       if (ref != 0) {
+               reply = dbus_message_new_method_return(message);
+               dbus_message_append_args(reply, DBUS_TYPE_UINT64,
+                                        &ref, DBUS_TYPE_INVALID);
+       } else {
+               reply = wpas_dbus_error_unknown_error(
+                       message, "Unable to send SD request");
+       }
+out:
+       os_free(service);
+       os_free(peer_object_path);
+       return reply;
+error_clear:
+       wpa_dbus_dict_entry_clear(&entry);
+error:
+       if (tlv)
+               wpabuf_free(tlv);
+       reply = wpas_dbus_error_invalid_args(message, NULL);
+       goto out;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_service_sd_res(
+       DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+       DBusMessageIter iter_dict;
+       DBusMessage *reply = NULL;
+       DBusMessageIter iter;
+       struct wpa_dbus_dict_entry entry;
+       char *peer_object_path = NULL;
+       struct wpabuf *tlv = NULL;
+       int freq = 0;
+       int dlg_tok = 0;
+       u8 addr[ETH_ALEN];
+
+       dbus_message_iter_init(message, &iter);
+
+       if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
+               goto error;
+
+       while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
+               if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
+                       goto error;
+
+               if (os_strcmp(entry.key, "peer_object") == 0 &&
+                   entry.type == DBUS_TYPE_OBJECT_PATH) {
+                       peer_object_path = os_strdup(entry.str_value);
+               } else if (os_strcmp(entry.key, "frequency") == 0 &&
+                          entry.type == DBUS_TYPE_INT32) {
+                       freq = entry.uint32_value;
+               } else if (os_strcmp(entry.key, "dialog_token") == 0 &&
+                          (entry.type == DBUS_TYPE_UINT32 ||
+                           entry.type == DBUS_TYPE_INT32)) {
+                       dlg_tok = entry.uint32_value;
+               } else if (os_strcmp(entry.key, "tlvs") == 0) {
+                       if (entry.type != DBUS_TYPE_ARRAY ||
+                           entry.array_type != DBUS_TYPE_BYTE)
+                               goto error_clear;
+                       tlv = wpabuf_alloc_copy(entry.bytearray_value,
+                                               entry.array_len);
+               } else
+                       goto error_clear;
+
+               wpa_dbus_dict_entry_clear(&entry);
+       }
+       if (parse_peer_object_path(peer_object_path, addr) < 0 ||
+           !p2p_peer_known(wpa_s->global->p2p, addr) ||
+           tlv == NULL)
+               goto error;
+
+       wpas_p2p_sd_response(wpa_s, freq, addr, (u8) dlg_tok, tlv);
+       wpabuf_free(tlv);
+out:
+       os_free(peer_object_path);
+       return reply;
+error_clear:
+       wpa_dbus_dict_entry_clear(&entry);
+error:
+       reply = wpas_dbus_error_invalid_args(message, NULL);
+       goto out;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_service_sd_cancel_req(
+       DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+       DBusMessageIter iter;
+       u64 req = 0;
+
+       dbus_message_iter_init(message, &iter);
+       dbus_message_iter_get_basic(&iter, &req);
+
+       if (req == 0)
+               goto error;
+
+       if (wpas_p2p_sd_cancel_request(wpa_s, req) < 0)
+               goto error;
+
+       return NULL;
+error:
+       return wpas_dbus_error_invalid_args(message, NULL);
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_service_update(
+       DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+       wpas_p2p_sd_service_update(wpa_s);
+       return NULL;
+}
+
+
+DBusMessage * wpas_dbus_handler_p2p_serv_disc_external(
+       DBusMessage *message, struct wpa_supplicant *wpa_s)
+{
+       DBusMessageIter iter;
+       int ext = 0;
+
+       dbus_message_iter_init(message, &iter);
+       dbus_message_iter_get_basic(&iter, &ext);
+
+       wpa_s->p2p_sd_over_ctrl_iface = ext;
+
+       return NULL;
+
+}
+
+
+#ifdef CONFIG_WIFI_DISPLAY
+
+dbus_bool_t wpas_dbus_getter_global_wfd_ies(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_global *global = user_data;
+       struct wpabuf *ie;
+       dbus_bool_t ret;
+
+       ie = wifi_display_get_wfd_ie(global);
+       if (ie == NULL)
+               return wpas_dbus_simple_array_property_getter(iter,
+                                                             DBUS_TYPE_BYTE,
+                                                             NULL, 0, error);
+
+       ret = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
+                                                    wpabuf_head(ie),
+                                                    wpabuf_len(ie), error);
+       wpabuf_free(ie);
+
+       return ret;
+}
+
+
+dbus_bool_t wpas_dbus_setter_global_wfd_ies(
+       const struct wpa_dbus_property_desc *property_desc,
+       DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+       struct wpa_global *global = user_data;
+       DBusMessageIter variant, array;
+       struct wpabuf *ie = NULL;
+       const u8 *data;
+       int len;
+
+       if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_VARIANT)
+               goto err;
+
+       dbus_message_iter_recurse(iter, &variant);
+       if (dbus_message_iter_get_arg_type(&variant) != DBUS_TYPE_ARRAY)
+               goto err;
+
+       dbus_message_iter_recurse(&variant, &array);
+       dbus_message_iter_get_fixed_array(&array, &data, &len);
+       if (len == 0) {
+               wifi_display_enable(global, 0);
+               wifi_display_deinit(global);
+
+               return TRUE;
+       }
+
+       ie = wpabuf_alloc(len);
+       if (ie == NULL)
+               goto err;
+
+       wpabuf_put_data(ie, data, len);
+       if (wifi_display_subelem_set_from_ies(global, ie) != 0)
+               goto err;
+
+       if (global->wifi_display == 0)
+               wifi_display_enable(global, 1);
+
+       wpabuf_free(ie);
+
+       return TRUE;
+err:
+       wpabuf_free(ie);
+
+       dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
+                            "invalid message format");
+       return FALSE;
+}
+
+#endif /* CONFIG_WIFI_DISPLAY */