wpa_supplicant/dbus/dbus_new_handlers_p2p.c

   1 /*
   2  * WPA Supplicant / dbus-based control interface (P2P)
   3  * Copyright (c) 2011-2012, Intel Corporation
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "includes.h"
  10
  11 #include "utils/includes.h"
  12 #include "common.h"
  13 #include "../config.h"
  14 #include "../wpa_supplicant_i.h"
  15 #include "../wps_supplicant.h"
  16 #include "../notify.h"
  17 #include "dbus_new_helpers.h"
  18 #include "dbus_new.h"
  19 #include "dbus_new_handlers.h"
  20 #include "dbus_new_handlers_p2p.h"
  21 #include "dbus_dict_helpers.h"
  22 #include "p2p/p2p.h"
  23 #include "common/ieee802_11_defs.h"
  24 #include "ap/hostapd.h"
  25 #include "ap/ap_config.h"
  26 #include "ap/wps_hostapd.h"
  27
  28 #include "../p2p_supplicant.h"
  29
  30 /**
  31  * Parses out the mac address from the peer object path.
  32  * @peer_path - object path of the form
  33  *      /fi/w1/wpa_supplicant1/Interfaces/n/Peers/00112233445566 (no colons)
  34  * @addr - out param must be of ETH_ALEN size
  35  * Returns 0 if valid (including MAC), -1 otherwise
  36  */
  37 static int parse_peer_object_path(char *peer_path, u8 addr[ETH_ALEN])
  38 {
  39         char *p;
  40
  41         if (!peer_path)
  42                 return -1;
  43         p = os_strrchr(peer_path, '/');
  44         if (!p)
  45                 return -1;
  46         p++;
  47         return hwaddr_compact_aton(p, addr);
  48 }
  49
  50
  51 /**
  52  * wpas_dbus_error_persistent_group_unknown - Return a new PersistentGroupUnknown
  53  * error message
  54  * @message: Pointer to incoming dbus message this error refers to
  55  * Returns: a dbus error message
  56  *
  57  * Convenience function to create and return an invalid persistent group error.
  58  */
  59 static DBusMessage * wpas_dbus_error_persistent_group_unknown(
  60         DBusMessage *message)
  61 {
  62         return dbus_message_new_error(message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN,
  63                                       "There is no such persistent group in "
  64                                       "this P2P device.");
  65 }
  66
  67
  68 DBusMessage * wpas_dbus_handler_p2p_find(DBusMessage *message,
  69                                          struct wpa_supplicant *wpa_s)
  70 {
  71         struct wpa_dbus_dict_entry entry;
  72         DBusMessage *reply = NULL;
  73         DBusMessageIter iter;
  74         DBusMessageIter iter_dict;
  75         unsigned int timeout = 0;
  76         enum p2p_discovery_type type = P2P_FIND_ONLY_SOCIAL;
  77         int num_req_dev_types = 0;
  78         unsigned int i;
  79         u8 *req_dev_types = NULL;
  80
  81         dbus_message_iter_init(message, &iter);
  82         entry.key = NULL;
  83
  84         if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
  85                 goto error;
  86
  87         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
  88                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
  89                         goto error;
  90
  91                 if (!os_strcmp(entry.key, "Timeout") &&
  92                     (entry.type == DBUS_TYPE_INT32)) {
  93                         timeout = entry.uint32_value;
  94                 } else if (os_strcmp(entry.key, "RequestedDeviceTypes") == 0) {
  95                         if ((entry.type != DBUS_TYPE_ARRAY) ||
  96                             (entry.array_type != WPAS_DBUS_TYPE_BINARRAY))
  97                                 goto error_clear;
  98
  99                         os_free(req_dev_types);
 100                         req_dev_types =
 101                                 os_malloc(WPS_DEV_TYPE_LEN * entry.array_len);
 102                         if (!req_dev_types)
 103                                 goto error_clear;
 104
 105                         for (i = 0; i < entry.array_len; i++) {
 106                                 if (wpabuf_len(entry.binarray_value[i]) !=
 107                                                         WPS_DEV_TYPE_LEN)
 108                                         goto error_clear;
 109                                 os_memcpy(req_dev_types + i * WPS_DEV_TYPE_LEN,
 110                                           wpabuf_head(entry.binarray_value[i]),
 111                                           WPS_DEV_TYPE_LEN);
 112                         }
 113                         num_req_dev_types = entry.array_len;
 114                 } else if (!os_strcmp(entry.key, "DiscoveryType") &&
 115                            (entry.type == DBUS_TYPE_STRING)) {
 116                         if (!os_strcmp(entry.str_value, "start_with_full"))
 117                                 type = P2P_FIND_START_WITH_FULL;
 118                         else if (!os_strcmp(entry.str_value, "social"))
 119                                 type = P2P_FIND_ONLY_SOCIAL;
 120                         else if (!os_strcmp(entry.str_value, "progressive"))
 121                                 type = P2P_FIND_PROGRESSIVE;
 122                         else
 123                                 goto error_clear;
 124                 } else
 125                         goto error_clear;
 126                 wpa_dbus_dict_entry_clear(&entry);
 127         }
 128
 129         wpas_p2p_find(wpa_s, timeout, type, num_req_dev_types, req_dev_types,
 130                       NULL, 0);
 131         os_free(req_dev_types);
 132         return reply;
 133
 134 error_clear:
 135         wpa_dbus_dict_entry_clear(&entry);
 136 error:
 137         os_free(req_dev_types);
 138         reply = wpas_dbus_error_invalid_args(message, entry.key);
 139         return reply;
 140 }
 141
 142
 143 DBusMessage * wpas_dbus_handler_p2p_stop_find(DBusMessage *message,
 144                                               struct wpa_supplicant *wpa_s)
 145 {
 146         wpas_p2p_stop_find(wpa_s);
 147         return NULL;
 148 }
 149
 150
 151 DBusMessage * wpas_dbus_handler_p2p_rejectpeer(DBusMessage *message,
 152                                                struct wpa_supplicant *wpa_s)
 153 {
 154         DBusMessageIter iter;
 155         char *peer_object_path = NULL;
 156         u8 peer_addr[ETH_ALEN];
 157
 158         dbus_message_iter_init(message, &iter);
 159         dbus_message_iter_get_basic(&iter, &peer_object_path);
 160
 161         if (parse_peer_object_path(peer_object_path, peer_addr) < 0)
 162                 return wpas_dbus_error_invalid_args(message, NULL);
 163
 164         if (wpas_p2p_reject(wpa_s, peer_addr) < 0)
 165                 return wpas_dbus_error_unknown_error(message,
 166                                 "Failed to call wpas_p2p_reject method.");
 167
 168         return NULL;
 169 }
 170
 171
 172 DBusMessage * wpas_dbus_handler_p2p_listen(DBusMessage *message,
 173                                            struct wpa_supplicant *wpa_s)
 174 {
 175         dbus_int32_t timeout = 0;
 176
 177         if (!dbus_message_get_args(message, NULL, DBUS_TYPE_INT32, &timeout,
 178                                    DBUS_TYPE_INVALID))
 179                 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
 180                                               NULL);
 181
 182         if (wpas_p2p_listen(wpa_s, (unsigned int)timeout))
 183                 return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
 184                                               NULL);
 185
 186         return NULL;
 187 }
 188
 189
 190 DBusMessage * wpas_dbus_handler_p2p_extendedlisten(
 191         DBusMessage *message, struct wpa_supplicant *wpa_s)
 192 {
 193         unsigned int period = 0, interval = 0;
 194         struct wpa_dbus_dict_entry entry;
 195         DBusMessageIter iter;
 196         DBusMessageIter iter_dict;
 197
 198         dbus_message_iter_init(message, &iter);
 199         entry.key = NULL;
 200
 201         if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
 202                 goto error;
 203
 204         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
 205                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
 206                         goto error;
 207
 208                 if (!os_strcmp(entry.key, "period") &&
 209                     (entry.type == DBUS_TYPE_INT32))
 210                         period = entry.uint32_value;
 211                 else if (!os_strcmp(entry.key, "interval") &&
 212                          (entry.type == DBUS_TYPE_INT32))
 213                         interval = entry.uint32_value;
 214                 else
 215                         goto error_clear;
 216                 wpa_dbus_dict_entry_clear(&entry);
 217         }
 218
 219         if (wpas_p2p_ext_listen(wpa_s, period, interval))
 220                 return wpas_dbus_error_unknown_error(
 221                         message, "failed to initiate a p2p_ext_listen.");
 222
 223         return NULL;
 224
 225 error_clear:
 226         wpa_dbus_dict_entry_clear(&entry);
 227 error:
 228         return wpas_dbus_error_invalid_args(message, entry.key);
 229 }
 230
 231
 232 DBusMessage * wpas_dbus_handler_p2p_presence_request(
 233         DBusMessage *message, struct wpa_supplicant *wpa_s)
 234 {
 235         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
 236         struct wpa_dbus_dict_entry entry;
 237         DBusMessageIter iter;
 238         DBusMessageIter iter_dict;
 239
 240         dbus_message_iter_init(message, &iter);
 241         entry.key = NULL;
 242
 243         if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
 244                 goto error;
 245
 246         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
 247                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
 248                         goto error;
 249
 250                 if (!os_strcmp(entry.key, "duration1") &&
 251                     (entry.type == DBUS_TYPE_INT32))
 252                         dur1 = entry.uint32_value;
 253                 else if (!os_strcmp(entry.key, "interval1") &&
 254                          entry.type == DBUS_TYPE_INT32)
 255                         int1 = entry.uint32_value;
 256                 else if (!os_strcmp(entry.key, "duration2") &&
 257                          entry.type == DBUS_TYPE_INT32)
 258                         dur2 = entry.uint32_value;
 259                 else if (!os_strcmp(entry.key, "interval2") &&
 260                          entry.type == DBUS_TYPE_INT32)
 261                         int2 = entry.uint32_value;
 262                 else
 263                         goto error_clear;
 264
 265                 wpa_dbus_dict_entry_clear(&entry);
 266         }
 267         if (wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2) < 0)
 268                 return wpas_dbus_error_unknown_error(message,
 269                                 "Failed to invoke presence request.");
 270
 271         return NULL;
 272
 273 error_clear:
 274         wpa_dbus_dict_entry_clear(&entry);
 275 error:
 276         return wpas_dbus_error_invalid_args(message, entry.key);
 277 }
 278
 279
 280 DBusMessage * wpas_dbus_handler_p2p_group_add(DBusMessage *message,
 281                                               struct wpa_supplicant *wpa_s)
 282 {
 283         DBusMessageIter iter_dict;
 284         DBusMessage *reply = NULL;
 285         DBusMessageIter iter;
 286         struct wpa_dbus_dict_entry entry;
 287         char *pg_object_path = NULL;
 288         int persistent_group = 0;
 289         int freq = 0;
 290         char *iface = NULL;
 291         char *net_id_str = NULL;
 292         unsigned int group_id = 0;
 293         struct wpa_ssid *ssid;
 294
 295         dbus_message_iter_init(message, &iter);
 296
 297         if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
 298                 goto inv_args;
 299
 300         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
 301                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
 302                         goto inv_args;
 303
 304                 if (!os_strcmp(entry.key, "persistent") &&
 305                     (entry.type == DBUS_TYPE_BOOLEAN)) {
 306                         persistent_group = (entry.bool_value == TRUE) ? 1 : 0;
 307                 } else if (!os_strcmp(entry.key, "frequency") &&
 308                            (entry.type == DBUS_TYPE_INT32)) {
 309                         freq = entry.int32_value;
 310                         if (freq <= 0)
 311                                 goto inv_args_clear;
 312                 } else if (!os_strcmp(entry.key, "persistent_group_object") &&
 313                            entry.type == DBUS_TYPE_OBJECT_PATH)
 314                         pg_object_path = os_strdup(entry.str_value);
 315                 else
 316                         goto inv_args_clear;
 317
 318                 wpa_dbus_dict_entry_clear(&entry);
 319         }
 320
 321         if (pg_object_path != NULL) {
 322                 /*
 323                  * A persistent group Object Path is defined meaning we want
 324                  * to re-invoke a persistent group.
 325                  */
 326
 327                 iface = wpas_dbus_new_decompose_object_path(pg_object_path, 1,
 328                                                             &net_id_str, NULL);
 329                 if (iface == NULL ||
 330                     os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
 331                         reply =
 332                             wpas_dbus_error_invalid_args(message,
 333                                                          pg_object_path);
 334                         goto out;
 335                 }
 336
 337                 group_id = strtoul(net_id_str, NULL, 10);
 338                 if (errno == EINVAL) {
 339                         reply = wpas_dbus_error_invalid_args(
 340                                                 message, pg_object_path);
 341                         goto out;
 342                 }
 343
 344                 /* Get the SSID structure from the persistent group id */
 345                 ssid = wpa_config_get_network(wpa_s->conf, group_id);
 346                 if (ssid == NULL || ssid->disabled != 2)
 347                         goto inv_args;
 348
 349                 if (wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0,
 350                                                   NULL, 0)) {
 351                         reply = wpas_dbus_error_unknown_error(
 352                                 message,
 353                                 "Failed to reinvoke a persistent group");
 354                         goto out;
 355                 }
 356         } else if (wpas_p2p_group_add(wpa_s, persistent_group, freq, 0))
 357                 goto inv_args;
 358
 359 out:
 360         os_free(pg_object_path);
 361         os_free(net_id_str);
 362         os_free(iface);
 363         return reply;
 364 inv_args_clear:
 365         wpa_dbus_dict_entry_clear(&entry);
 366 inv_args:
 367         reply = wpas_dbus_error_invalid_args(message, NULL);
 368         goto out;
 369 }
 370
 371
 372 DBusMessage * wpas_dbus_handler_p2p_disconnect(DBusMessage *message,
 373                                                struct wpa_supplicant *wpa_s)
 374 {
 375         if (wpas_p2p_disconnect(wpa_s))
 376                 return wpas_dbus_error_unknown_error(message,
 377                                                 "failed to disconnect");
 378
 379         return NULL;
 380 }
 381
 382
 383 static dbus_bool_t wpa_dbus_p2p_check_enabled(struct wpa_supplicant *wpa_s,
 384                                               DBusMessage *message,
 385                                               DBusMessage **out_reply,
 386                                               DBusError *error)
 387 {
 388         /* Return an error message or an error if P2P isn't available */
 389         if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) {
 390                 if (out_reply) {
 391                         *out_reply = dbus_message_new_error(
 392                                 message, DBUS_ERROR_FAILED,
 393                                 "P2P is not available for this interface");
 394                 }
 395                 dbus_set_error_const(error, DBUS_ERROR_FAILED,
 396                                      "P2P is not available for this "
 397                                      "interface");
 398                 return FALSE;
 399         }
 400         return TRUE;
 401 }
 402
 403
 404 DBusMessage * wpas_dbus_handler_p2p_flush(DBusMessage *message,
 405                                           struct wpa_supplicant *wpa_s)
 406 {
 407         DBusMessage *reply = NULL;
 408
 409         if (!wpa_dbus_p2p_check_enabled(wpa_s, message, &reply, NULL))
 410                 return reply;
 411
 412         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
 413         wpa_s->force_long_sd = 0;
 414         p2p_flush(wpa_s->global->p2p);
 415
 416         return NULL;
 417 }
 418
 419
 420 DBusMessage * wpas_dbus_handler_p2p_connect(DBusMessage *message,
 421                                             struct wpa_supplicant *wpa_s)
 422 {
 423         DBusMessageIter iter_dict;
 424         DBusMessage *reply = NULL;
 425         DBusMessageIter iter;
 426         struct wpa_dbus_dict_entry entry;
 427         char *peer_object_path = NULL;
 428         int persistent_group = 0;
 429         int join = 0;
 430         int authorize_only = 0;
 431         int go_intent = -1;
 432         int freq = 0;
 433         u8 addr[ETH_ALEN];
 434         char *pin = NULL;
 435         enum p2p_wps_method wps_method = WPS_NOT_READY;
 436         int new_pin;
 437         char *err_msg = NULL;
 438         char *iface = NULL;
 439
 440         if (!wpa_dbus_p2p_check_enabled(wpa_s, message, &reply, NULL))
 441                 return reply;
 442
 443         dbus_message_iter_init(message, &iter);
 444
 445         if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
 446                 goto inv_args;
 447
 448         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
 449                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
 450                         goto inv_args;
 451
 452                 if (!os_strcmp(entry.key, "peer") &&
 453                     (entry.type == DBUS_TYPE_OBJECT_PATH)) {
 454                         peer_object_path = os_strdup(entry.str_value);
 455                 } else if (!os_strcmp(entry.key, "persistent") &&
 456                            (entry.type == DBUS_TYPE_BOOLEAN)) {
 457                         persistent_group = (entry.bool_value == TRUE) ? 1 : 0;
 458                 } else if (!os_strcmp(entry.key, "join") &&
 459                            (entry.type == DBUS_TYPE_BOOLEAN)) {
 460                         join = (entry.bool_value == TRUE) ? 1 : 0;
 461                 } else if (!os_strcmp(entry.key, "authorize_only") &&
 462                            (entry.type == DBUS_TYPE_BOOLEAN)) {
 463                         authorize_only = (entry.bool_value == TRUE) ? 1 : 0;
 464                 } else if (!os_strcmp(entry.key, "frequency") &&
 465                            (entry.type == DBUS_TYPE_INT32)) {
 466                         freq = entry.int32_value;
 467                         if (freq <= 0)
 468                                 goto inv_args_clear;
 469                 } else if (!os_strcmp(entry.key, "go_intent") &&
 470                            (entry.type == DBUS_TYPE_INT32)) {
 471                         go_intent = entry.int32_value;
 472                         if ((go_intent < 0) || (go_intent > 15))
 473                                 goto inv_args_clear;
 474                 } else if (!os_strcmp(entry.key, "wps_method") &&
 475                            (entry.type == DBUS_TYPE_STRING)) {
 476                         if (!os_strcmp(entry.str_value, "pbc"))
 477                                 wps_method = WPS_PBC;
 478                         else if (!os_strcmp(entry.str_value, "pin"))
 479                                 wps_method = WPS_PIN_DISPLAY;
 480                         else if (!os_strcmp(entry.str_value, "display"))
 481                                 wps_method = WPS_PIN_DISPLAY;
 482                         else if (!os_strcmp(entry.str_value, "keypad"))
 483                                 wps_method = WPS_PIN_KEYPAD;
 484                         else
 485                                 goto inv_args_clear;
 486                 } else if (!os_strcmp(entry.key, "pin") &&
 487                            (entry.type == DBUS_TYPE_STRING)) {
 488                         pin = os_strdup(entry.str_value);
 489                 } else
 490                         goto inv_args_clear;
 491
 492                 wpa_dbus_dict_entry_clear(&entry);
 493         }
 494
 495         if (!peer_object_path || (wps_method == WPS_NOT_READY) ||
 496             (parse_peer_object_path(peer_object_path, addr) < 0) ||
 497             !p2p_peer_known(wpa_s->global->p2p, addr))
 498                 goto inv_args;
 499
 500         /*
 501          * Validate the wps_method specified and the pin value.
 502          */
 503         if ((!pin || !pin[0]) && (wps_method == WPS_PIN_KEYPAD))
 504                 goto inv_args;
 505
 506         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
 507                                    persistent_group, 0, join, authorize_only,
 508                                    go_intent, freq, -1, 0, 0);
 509
 510         if (new_pin >= 0) {
 511                 char npin[9];
 512                 char *generated_pin;
 513                 os_snprintf(npin, sizeof(npin), "%08d", new_pin);
 514                 generated_pin = npin;
 515                 reply = dbus_message_new_method_return(message);
 516                 dbus_message_append_args(reply, DBUS_TYPE_STRING,
 517                                          &generated_pin, DBUS_TYPE_INVALID);
 518         } else {
 519                 switch (new_pin) {
 520                 case -2:
 521                         err_msg = "connect failed due to channel "
 522                                 "unavailability.";
 523                         iface = WPAS_DBUS_ERROR_CONNECT_CHANNEL_UNAVAILABLE;
 524                         break;
 525
 526                 case -3:
 527                         err_msg = "connect failed due to unsupported channel.";
 528                         iface = WPAS_DBUS_ERROR_CONNECT_CHANNEL_UNSUPPORTED;
 529                         break;
 530
 531                 default:
 532                         err_msg = "connect failed due to unspecified error.";
 533                         iface = WPAS_DBUS_ERROR_CONNECT_UNSPECIFIED_ERROR;
 534                         break;
 535                 }
 536
 537                 /*
 538                  * TODO:
 539                  * Do we need specialized errors corresponding to above
 540                  * error conditions as against just returning a different
 541                  * error message?
 542                  */
 543                 reply = dbus_message_new_error(message, iface, err_msg);
 544         }
 545
 546 out:
 547         os_free(peer_object_path);
 548         os_free(pin);
 549         return reply;
 550 inv_args_clear:
 551         wpa_dbus_dict_entry_clear(&entry);
 552 inv_args:
 553         reply = wpas_dbus_error_invalid_args(message, NULL);
 554         goto out;
 555 }
 556
 557
 558 DBusMessage * wpas_dbus_handler_p2p_invite(DBusMessage *message,
 559                                            struct wpa_supplicant *wpa_s)
 560 {
 561         DBusMessageIter iter_dict;
 562         DBusMessage *reply = NULL;
 563         DBusMessageIter iter;
 564         struct wpa_dbus_dict_entry entry;
 565         char *peer_object_path = NULL;
 566         char *pg_object_path = NULL;
 567         char *iface = NULL;
 568         char *net_id_str = NULL;
 569         u8 peer_addr[ETH_ALEN];
 570         unsigned int group_id = 0;
 571         int persistent = 0;
 572         struct wpa_ssid *ssid;
 573
 574         if (!wpa_dbus_p2p_check_enabled(wpa_s, message, &reply, NULL))
 575                 return reply;
 576
 577         dbus_message_iter_init(message, &iter);
 578
 579         if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
 580                 goto err;
 581
 582         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
 583                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
 584                         goto err;
 585
 586                 if (!os_strcmp(entry.key, "peer") &&
 587                     (entry.type == DBUS_TYPE_OBJECT_PATH)) {
 588                         peer_object_path = os_strdup(entry.str_value);
 589                         wpa_dbus_dict_entry_clear(&entry);
 590                 } else if (!os_strcmp(entry.key, "persistent_group_object") &&
 591                            (entry.type == DBUS_TYPE_OBJECT_PATH)) {
 592                         pg_object_path = os_strdup(entry.str_value);
 593                         persistent = 1;
 594                         wpa_dbus_dict_entry_clear(&entry);
 595                 } else {
 596                         wpa_dbus_dict_entry_clear(&entry);
 597                         goto err;
 598                 }
 599         }
 600
 601         if (!peer_object_path ||
 602             (parse_peer_object_path(peer_object_path, peer_addr) < 0) ||
 603             !p2p_peer_known(wpa_s->global->p2p, peer_addr)) {
 604                 goto err;
 605         }
 606
 607         if (persistent) {
 608                 /*
 609                  * A group ID is defined meaning we want to re-invoke a
 610                  * persistent group
 611                  */
 612
 613                 iface = wpas_dbus_new_decompose_object_path(pg_object_path, 1,
 614                                                             &net_id_str, NULL);
 615                 if (iface == NULL ||
 616                     os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
 617                         reply = wpas_dbus_error_invalid_args(message,
 618                                                              pg_object_path);
 619                         goto out;
 620                 }
 621
 622                 group_id = strtoul(net_id_str, NULL, 10);
 623                 if (errno == EINVAL) {
 624                         reply = wpas_dbus_error_invalid_args(
 625                                 message, pg_object_path);
 626                         goto out;
 627                 }
 628
 629                 /* Get the SSID structure from the persistent group id */
 630                 ssid = wpa_config_get_network(wpa_s->conf, group_id);
 631                 if (ssid == NULL || ssid->disabled != 2)
 632                         goto err;
 633
 634                 if (wpas_p2p_invite(wpa_s, peer_addr, ssid, NULL, 0, 0, 0) < 0)
 635                 {
 636                         reply = wpas_dbus_error_unknown_error(
 637                                 message,
 638                                 "Failed to reinvoke a persistent group");
 639                         goto out;
 640                 }
 641         } else {
 642                 /*
 643                  * No group ID means propose to a peer to join my active group
 644                  */
 645                 if (wpas_p2p_invite_group(wpa_s, wpa_s->ifname,
 646                                           peer_addr, NULL)) {
 647                         reply = wpas_dbus_error_unknown_error(
 648                                 message, "Failed to join to an active group");
 649                         goto out;
 650                 }
 651         }
 652
 653 out:
 654         os_free(pg_object_path);
 655         os_free(peer_object_path);
 656         return reply;
 657
 658 err:
 659         reply = wpas_dbus_error_invalid_args(message, NULL);
 660         goto out;
 661 }
 662
 663
 664 DBusMessage * wpas_dbus_handler_p2p_prov_disc_req(DBusMessage *message,
 665                                                   struct wpa_supplicant *wpa_s)
 666 {
 667         DBusMessageIter iter;
 668         char *peer_object_path = NULL;
 669         char *config_method = NULL;
 670         u8 peer_addr[ETH_ALEN];
 671
 672         dbus_message_iter_init(message, &iter);
 673         dbus_message_iter_get_basic(&iter, &peer_object_path);
 674
 675         if (parse_peer_object_path(peer_object_path, peer_addr) < 0)
 676                 return wpas_dbus_error_invalid_args(message, NULL);
 677
 678         dbus_message_iter_next(&iter);
 679         dbus_message_iter_get_basic(&iter, &config_method);
 680
 681         /*
 682          * Validation checks on config_method are being duplicated here
 683          * to be able to return invalid args reply since the error code
 684          * from p2p module are not granular enough (yet).
 685          */
 686         if (os_strcmp(config_method, "display") &&
 687             os_strcmp(config_method, "keypad") &&
 688             os_strcmp(config_method, "pbc") &&
 689             os_strcmp(config_method, "pushbutton"))
 690                 return wpas_dbus_error_invalid_args(message, NULL);
 691
 692         if (wpas_p2p_prov_disc(wpa_s, peer_addr, config_method,
 693                                WPAS_P2P_PD_FOR_GO_NEG) < 0)
 694                 return wpas_dbus_error_unknown_error(message,
 695                                 "Failed to send provision discovery request");
 696
 697         return NULL;
 698 }
 699
 700
 701 /*
 702  * P2P Device property accessor methods.
 703  */
 704
 705 dbus_bool_t wpas_dbus_getter_p2p_device_config(DBusMessageIter *iter,
 706                                                DBusError *error,
 707                                                void *user_data)
 708 {
 709         struct wpa_supplicant *wpa_s = user_data;
 710         DBusMessageIter variant_iter, dict_iter;
 711         DBusMessageIter iter_secdev_dict_entry, iter_secdev_dict_val,
 712                 iter_secdev_dict_array;
 713         const char *dev_name;
 714         int num_vendor_extensions = 0;
 715         int i;
 716         const struct wpabuf *vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
 717
 718         if (!wpa_dbus_p2p_check_enabled(wpa_s, NULL, NULL, error))
 719                 return FALSE;
 720
 721         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
 722                                               "a{sv}", &variant_iter) ||
 723             !wpa_dbus_dict_open_write(&variant_iter, &dict_iter))
 724                 goto err_no_mem;
 725
 726         /* DeviceName */
 727         dev_name = wpa_s->conf->device_name;
 728         if (dev_name &&
 729             !wpa_dbus_dict_append_string(&dict_iter, "DeviceName", dev_name))
 730                 goto err_no_mem;
 731
 732         /* Primary device type */
 733         if (!wpa_dbus_dict_append_byte_array(&dict_iter, "PrimaryDeviceType",
 734                                              (char *)wpa_s->conf->device_type,
 735                                              WPS_DEV_TYPE_LEN))
 736                 goto err_no_mem;
 737
 738         /* Secondary device types */
 739         if (wpa_s->conf->num_sec_device_types) {
 740                 if (!wpa_dbus_dict_begin_array(&dict_iter,
 741                                                "SecondaryDeviceTypes",
 742                                                DBUS_TYPE_ARRAY_AS_STRING
 743                                                DBUS_TYPE_BYTE_AS_STRING,
 744                                                &iter_secdev_dict_entry,
 745                                                &iter_secdev_dict_val,
 746                                                &iter_secdev_dict_array))
 747                         goto err_no_mem;
 748
 749                 for (i = 0; i < wpa_s->conf->num_sec_device_types; i++)
 750                         wpa_dbus_dict_bin_array_add_element(
 751                                 &iter_secdev_dict_array,
 752                                 wpa_s->conf->sec_device_type[i],
 753                                 WPS_DEV_TYPE_LEN);
 754
 755                 if (!wpa_dbus_dict_end_array(&dict_iter,
 756                                              &iter_secdev_dict_entry,
 757                                              &iter_secdev_dict_val,
 758                                              &iter_secdev_dict_array))
 759                         goto err_no_mem;
 760         }
 761
 762         /* Vendor Extensions */
 763         for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
 764                 if (wpa_s->conf->wps_vendor_ext[i] == NULL)
 765                         continue;
 766                 vendor_ext[num_vendor_extensions++] =
 767                         wpa_s->conf->wps_vendor_ext[i];
 768         }
 769
 770         if (num_vendor_extensions &&
 771             !wpa_dbus_dict_append_wpabuf_array(&dict_iter,
 772                                                "VendorExtension",
 773                                                vendor_ext,
 774                                                num_vendor_extensions))
 775                 goto err_no_mem;
 776
 777         /* GO Intent */
 778         if (!wpa_dbus_dict_append_uint32(&dict_iter, "GOIntent",
 779                                          wpa_s->conf->p2p_go_intent))
 780                 goto err_no_mem;
 781
 782         /* Persistent Reconnect */
 783         if (!wpa_dbus_dict_append_bool(&dict_iter, "PersistentReconnect",
 784                                        wpa_s->conf->persistent_reconnect))
 785                 goto err_no_mem;
 786
 787         /* Listen Reg Class */
 788         if (!wpa_dbus_dict_append_uint32(&dict_iter, "ListenRegClass",
 789                                          wpa_s->conf->p2p_listen_reg_class))
 790                 goto err_no_mem;
 791
 792         /* Listen Channel */
 793         if (!wpa_dbus_dict_append_uint32(&dict_iter, "ListenChannel",
 794                                          wpa_s->conf->p2p_listen_channel))
 795                 goto err_no_mem;
 796
 797         /* Oper Reg Class */
 798         if (!wpa_dbus_dict_append_uint32(&dict_iter, "OperRegClass",
 799                                          wpa_s->conf->p2p_oper_reg_class))
 800                 goto err_no_mem;
 801
 802         /* Oper Channel */
 803         if (!wpa_dbus_dict_append_uint32(&dict_iter, "OperChannel",
 804                                          wpa_s->conf->p2p_oper_channel))
 805                 goto err_no_mem;
 806
 807         /* SSID Postfix */
 808         if (wpa_s->conf->p2p_ssid_postfix &&
 809             !wpa_dbus_dict_append_string(&dict_iter, "SsidPostfix",
 810                                          wpa_s->conf->p2p_ssid_postfix))
 811                 goto err_no_mem;
 812
 813         /* Intra Bss */
 814         if (!wpa_dbus_dict_append_bool(&dict_iter, "IntraBss",
 815                                        wpa_s->conf->p2p_intra_bss))
 816                 goto err_no_mem;
 817
 818         /* Group Idle */
 819         if (!wpa_dbus_dict_append_uint32(&dict_iter, "GroupIdle",
 820                                          wpa_s->conf->p2p_group_idle))
 821                 goto err_no_mem;
 822
 823         /* Dissasociation low ack */
 824         if (!wpa_dbus_dict_append_uint32(&dict_iter, "disassoc_low_ack",
 825                                          wpa_s->conf->disassoc_low_ack))
 826                 goto err_no_mem;
 827
 828         if (!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
 829             !dbus_message_iter_close_container(iter, &variant_iter))
 830                 goto err_no_mem;
 831
 832         return TRUE;
 833
 834 err_no_mem:
 835         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
 836         return FALSE;
 837 }
 838
 839
 840 dbus_bool_t wpas_dbus_setter_p2p_device_config(DBusMessageIter *iter,
 841                                                DBusError *error,
 842                                                void *user_data)
 843 {
 844         struct wpa_supplicant *wpa_s = user_data;
 845         DBusMessageIter variant_iter, iter_dict;
 846         struct wpa_dbus_dict_entry entry = {.type = DBUS_TYPE_STRING };
 847         unsigned int i;
 848
 849         if (!wpa_dbus_p2p_check_enabled(wpa_s, NULL, NULL, error))
 850                 return FALSE;
 851
 852         dbus_message_iter_recurse(iter, &variant_iter);
 853         if (!wpa_dbus_dict_open_read(&variant_iter, &iter_dict, error))
 854                 return FALSE;
 855
 856         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
 857                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
 858                         dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
 859                                              "invalid message format");
 860                         return FALSE;
 861                 }
 862
 863                 if (os_strcmp(entry.key, "DeviceName") == 0) {
 864                         char *devname;
 865
 866                         if (entry.type != DBUS_TYPE_STRING)
 867                                 goto error;
 868
 869                         devname = os_strdup(entry.str_value);
 870                         if (devname == NULL)
 871                                 goto err_no_mem_clear;
 872
 873                         os_free(wpa_s->conf->device_name);
 874                         wpa_s->conf->device_name = devname;
 875
 876                         wpa_s->conf->changed_parameters |=
 877                                 CFG_CHANGED_DEVICE_NAME;
 878                 } else if (os_strcmp(entry.key, "PrimaryDeviceType") == 0) {
 879                         if (entry.type != DBUS_TYPE_ARRAY ||
 880                             entry.array_type != DBUS_TYPE_BYTE ||
 881                             entry.array_len != WPS_DEV_TYPE_LEN)
 882                                 goto error;
 883
 884                         os_memcpy(wpa_s->conf->device_type,
 885                                   entry.bytearray_value,
 886                                   WPS_DEV_TYPE_LEN);
 887                         wpa_s->conf->changed_parameters |=
 888                                 CFG_CHANGED_DEVICE_TYPE;
 889                 } else if (os_strcmp(entry.key, "SecondaryDeviceTypes") == 0) {
 890                         if (entry.type != DBUS_TYPE_ARRAY ||
 891                             entry.array_type != WPAS_DBUS_TYPE_BINARRAY ||
 892                             entry.array_len > MAX_SEC_DEVICE_TYPES)
 893                                 goto error;
 894
 895                         for (i = 0; i < entry.array_len; i++)
 896                                 if (wpabuf_len(entry.binarray_value[i]) !=
 897                                     WPS_DEV_TYPE_LEN)
 898                                         goto err_no_mem_clear;
 899                         for (i = 0; i < entry.array_len; i++)
 900                                 os_memcpy(wpa_s->conf->sec_device_type[i],
 901                                           wpabuf_head(entry.binarray_value[i]),
 902                                           WPS_DEV_TYPE_LEN);
 903                         wpa_s->conf->num_sec_device_types = entry.array_len;
 904                         wpa_s->conf->changed_parameters |=
 905                                         CFG_CHANGED_SEC_DEVICE_TYPE;
 906                 } else if (os_strcmp(entry.key, "VendorExtension") == 0) {
 907                         if ((entry.type != DBUS_TYPE_ARRAY) ||
 908                             (entry.array_type != WPAS_DBUS_TYPE_BINARRAY) ||
 909                             (entry.array_len > P2P_MAX_WPS_VENDOR_EXT))
 910                                 goto error;
 911
 912                         wpa_s->conf->changed_parameters |=
 913                                 CFG_CHANGED_VENDOR_EXTENSION;
 914
 915                         for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
 916                                 wpabuf_free(wpa_s->conf->wps_vendor_ext[i]);
 917                                 if (i < entry.array_len) {
 918                                         wpa_s->conf->wps_vendor_ext[i] =
 919                                                 entry.binarray_value[i];
 920                                         entry.binarray_value[i] = NULL;
 921                                 } else
 922                                         wpa_s->conf->wps_vendor_ext[i] = NULL;
 923                         }
 924                 } else if ((os_strcmp(entry.key, "GOIntent") == 0) &&
 925                            (entry.type == DBUS_TYPE_UINT32) &&
 926                            (entry.uint32_value <= 15))
 927                         wpa_s->conf->p2p_go_intent = entry.uint32_value;
 928                 else if ((os_strcmp(entry.key, "PersistentReconnect") == 0) &&
 929                          (entry.type == DBUS_TYPE_BOOLEAN))
 930                         wpa_s->conf->persistent_reconnect = entry.bool_value;
 931                 else if ((os_strcmp(entry.key, "ListenRegClass") == 0) &&
 932                          (entry.type == DBUS_TYPE_UINT32)) {
 933                         wpa_s->conf->p2p_listen_reg_class = entry.uint32_value;
 934                         wpa_s->conf->changed_parameters |=
 935                                 CFG_CHANGED_P2P_LISTEN_CHANNEL;
 936                 } else if ((os_strcmp(entry.key, "ListenChannel") == 0) &&
 937                            (entry.type == DBUS_TYPE_UINT32)) {
 938                         wpa_s->conf->p2p_listen_channel = entry.uint32_value;
 939                         wpa_s->conf->changed_parameters |=
 940                                 CFG_CHANGED_P2P_LISTEN_CHANNEL;
 941                 } else if ((os_strcmp(entry.key, "OperRegClass") == 0) &&
 942                            (entry.type == DBUS_TYPE_UINT32)) {
 943                         wpa_s->conf->p2p_oper_reg_class = entry.uint32_value;
 944                         wpa_s->conf->changed_parameters |=
 945                                 CFG_CHANGED_P2P_OPER_CHANNEL;
 946                 } else if ((os_strcmp(entry.key, "OperChannel") == 0) &&
 947                            (entry.type == DBUS_TYPE_UINT32)) {
 948                         wpa_s->conf->p2p_oper_channel = entry.uint32_value;
 949                         wpa_s->conf->changed_parameters |=
 950                                 CFG_CHANGED_P2P_OPER_CHANNEL;
 951                 } else if (os_strcmp(entry.key, "SsidPostfix") == 0) {
 952                         char *postfix;
 953
 954                         if (entry.type != DBUS_TYPE_STRING)
 955                                 goto error;
 956
 957                         postfix = os_strdup(entry.str_value);
 958                         if (!postfix)
 959                                 goto err_no_mem_clear;
 960
 961                         os_free(wpa_s->conf->p2p_ssid_postfix);
 962                         wpa_s->conf->p2p_ssid_postfix = postfix;
 963
 964                         wpa_s->conf->changed_parameters |=
 965                                         CFG_CHANGED_P2P_SSID_POSTFIX;
 966                 } else if ((os_strcmp(entry.key, "IntraBss") == 0) &&
 967                            (entry.type == DBUS_TYPE_BOOLEAN)) {
 968                         wpa_s->conf->p2p_intra_bss = entry.bool_value;
 969                         wpa_s->conf->changed_parameters |=
 970                                 CFG_CHANGED_P2P_INTRA_BSS;
 971                 } else if ((os_strcmp(entry.key, "GroupIdle") == 0) &&
 972                            (entry.type == DBUS_TYPE_UINT32))
 973                         wpa_s->conf->p2p_group_idle = entry.uint32_value;
 974                 else if (os_strcmp(entry.key, "disassoc_low_ack") == 0 &&
 975                          entry.type == DBUS_TYPE_UINT32)
 976                         wpa_s->conf->disassoc_low_ack = entry.uint32_value;
 977                 else
 978                         goto error;
 979
 980                 wpa_dbus_dict_entry_clear(&entry);
 981         }
 982
 983         if (wpa_s->conf->changed_parameters) {
 984                 /* Some changed parameters requires to update config*/
 985                 wpa_supplicant_update_config(wpa_s);
 986         }
 987
 988         return TRUE;
 989
 990  error:
 991         dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
 992                              "invalid message format");
 993         wpa_dbus_dict_entry_clear(&entry);
 994         return FALSE;
 995
 996  err_no_mem_clear:
 997         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
 998         wpa_dbus_dict_entry_clear(&entry);
 999         return FALSE;
1000 }
1001
1002
1003 dbus_bool_t wpas_dbus_getter_p2p_peers(DBusMessageIter *iter, DBusError *error,
1004                                        void *user_data)
1005 {
1006         struct wpa_supplicant *wpa_s = user_data;
1007         struct p2p_data *p2p = wpa_s->global->p2p;
1008         int next = 0, i = 0;
1009         int num = 0, out_of_mem = 0;
1010         const u8 *addr;
1011         const struct p2p_peer_info *peer_info = NULL;
1012         dbus_bool_t success = FALSE;
1013
1014         struct dl_list peer_objpath_list;
1015         struct peer_objpath_node {
1016                 struct dl_list list;
1017                 char path[WPAS_DBUS_OBJECT_PATH_MAX];
1018         } *node, *tmp;
1019
1020         char **peer_obj_paths = NULL;
1021
1022         if (!wpa_dbus_p2p_check_enabled(wpa_s, NULL, NULL, error))
1023                 return FALSE;
1024
1025         dl_list_init(&peer_objpath_list);
1026
1027         /* Get the first peer info */
1028         peer_info = p2p_get_peer_found(p2p, NULL, next);
1029
1030         /* Get next and accumulate them */
1031         next = 1;
1032         while (peer_info != NULL) {
1033                 node = os_zalloc(sizeof(struct peer_objpath_node));
1034                 if (!node) {
1035                         out_of_mem = 1;
1036                         goto error;
1037                 }
1038
1039                 addr = peer_info->p2p_device_addr;
1040                 os_snprintf(node->path, WPAS_DBUS_OBJECT_PATH_MAX,
1041                             "%s/" WPAS_DBUS_NEW_P2P_PEERS_PART
1042                             "/" COMPACT_MACSTR,
1043                             wpa_s->dbus_new_path, MAC2STR(addr));
1044                 dl_list_add_tail(&peer_objpath_list, &node->list);
1045                 num++;
1046
1047                 peer_info = p2p_get_peer_found(p2p, addr, next);
1048         }
1049
1050         /*
1051          * Now construct the peer object paths in a form suitable for
1052          * array_property_getter helper below.
1053          */
1054         peer_obj_paths = os_calloc(num, sizeof(char *));
1055
1056         if (!peer_obj_paths) {
1057                 out_of_mem = 1;
1058                 goto error;
1059         }
1060
1061         dl_list_for_each_safe(node, tmp, &peer_objpath_list,
1062                               struct peer_objpath_node, list)
1063                 peer_obj_paths[i++] = node->path;
1064
1065         success = wpas_dbus_simple_array_property_getter(iter,
1066                                                          DBUS_TYPE_OBJECT_PATH,
1067                                                          peer_obj_paths, num,
1068                                                          error);
1069
1070 error:
1071         if (peer_obj_paths)
1072                 os_free(peer_obj_paths);
1073
1074         dl_list_for_each_safe(node, tmp, &peer_objpath_list,
1075                               struct peer_objpath_node, list) {
1076                 dl_list_del(&node->list);
1077                 os_free(node);
1078         }
1079         if (out_of_mem)
1080                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
1081
1082         return success;
1083 }
1084
1085
1086 enum wpas_p2p_role {
1087         WPAS_P2P_ROLE_DEVICE,
1088         WPAS_P2P_ROLE_GO,
1089         WPAS_P2P_ROLE_CLIENT,
1090 };
1091
1092 static enum wpas_p2p_role wpas_get_p2p_role(struct wpa_supplicant *wpa_s)
1093 {
1094         struct wpa_ssid *ssid = wpa_s->current_ssid;
1095
1096         if (!ssid)
1097                 return WPAS_P2P_ROLE_DEVICE;
1098         if (wpa_s->wpa_state != WPA_COMPLETED)
1099                 return WPAS_P2P_ROLE_DEVICE;
1100
1101         switch (ssid->mode) {
1102         case WPAS_MODE_P2P_GO:
1103         case WPAS_MODE_P2P_GROUP_FORMATION:
1104                 return WPAS_P2P_ROLE_GO;
1105         case WPAS_MODE_INFRA:
1106                 if (ssid->p2p_group)
1107                         return WPAS_P2P_ROLE_CLIENT;
1108                 return WPAS_P2P_ROLE_DEVICE;
1109         default:
1110                 return WPAS_P2P_ROLE_DEVICE;
1111         }
1112 }
1113
1114
1115 dbus_bool_t wpas_dbus_getter_p2p_role(DBusMessageIter *iter, DBusError *error,
1116                                       void *user_data)
1117 {
1118         struct wpa_supplicant *wpa_s = user_data;
1119         char *str;
1120
1121         switch (wpas_get_p2p_role(wpa_s)) {
1122         case WPAS_P2P_ROLE_GO:
1123                 str = "GO";
1124                 break;
1125         case WPAS_P2P_ROLE_CLIENT:
1126                 str = "client";
1127                 break;
1128         default:
1129                 str = "device";
1130         }
1131
1132         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &str,
1133                                                 error);
1134 }
1135
1136
1137 dbus_bool_t wpas_dbus_getter_p2p_group(DBusMessageIter *iter, DBusError *error,
1138                                        void *user_data)
1139 {
1140         struct wpa_supplicant *wpa_s = user_data;
1141         char path_buf[WPAS_DBUS_OBJECT_PATH_MAX];
1142         char *dbus_groupobj_path = path_buf;
1143
1144         if (wpa_s->dbus_groupobj_path == NULL)
1145                 os_snprintf(dbus_groupobj_path, WPAS_DBUS_OBJECT_PATH_MAX,
1146                             "/");
1147         else
1148                 os_snprintf(dbus_groupobj_path, WPAS_DBUS_OBJECT_PATH_MAX,
1149                             "%s", wpa_s->dbus_groupobj_path);
1150
1151         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
1152                                                 &dbus_groupobj_path, error);
1153 }
1154
1155
1156 dbus_bool_t wpas_dbus_getter_p2p_peergo(DBusMessageIter *iter,
1157                                         DBusError *error, void *user_data)
1158 {
1159         struct wpa_supplicant *wpa_s = user_data;
1160         char go_peer_obj_path[WPAS_DBUS_OBJECT_PATH_MAX], *path;
1161
1162         if (wpas_get_p2p_role(wpa_s) != WPAS_P2P_ROLE_CLIENT)
1163                 os_snprintf(go_peer_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
1164         else
1165                 os_snprintf(go_peer_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
1166                             "%s/" WPAS_DBUS_NEW_P2P_PEERS_PART "/"
1167                             COMPACT_MACSTR,
1168                             wpa_s->dbus_new_path, MAC2STR(wpa_s->go_dev_addr));
1169
1170         path = go_peer_obj_path;
1171         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
1172                                                 &path, error);
1173 }
1174
1175
1176 /*
1177  * Peer object properties accessor methods
1178  */
1179
1180 dbus_bool_t wpas_dbus_getter_p2p_peer_device_name(DBusMessageIter *iter,
1181                                                   DBusError *error,
1182                                                   void *user_data)
1183 {
1184         struct peer_handler_args *peer_args = user_data;
1185         const struct p2p_peer_info *info;
1186         char *tmp;
1187
1188         if (!wpa_dbus_p2p_check_enabled(peer_args->wpa_s, NULL, NULL, error))
1189                 return FALSE;
1190
1191         /* get the peer info */
1192         info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
1193                                   peer_args->p2p_device_addr, 0);
1194         if (info == NULL) {
1195                 dbus_set_error(error, DBUS_ERROR_FAILED,
1196                                "failed to find peer");
1197                 return FALSE;
1198         }
1199
1200         tmp = os_strdup(info->device_name);
1201         if (!tmp) {
1202                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
1203                 return FALSE;
1204         }
1205
1206         if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &tmp,
1207                                               error)) {
1208                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
1209                 os_free(tmp);
1210                 return FALSE;
1211         }
1212
1213         os_free(tmp);
1214         return TRUE;
1215 }
1216
1217
1218 dbus_bool_t wpas_dbus_getter_p2p_peer_primary_device_type(
1219         DBusMessageIter *iter, DBusError *error, void *user_data)
1220 {
1221         struct peer_handler_args *peer_args = user_data;
1222         const struct p2p_peer_info *info;
1223
1224         info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
1225                                   peer_args->p2p_device_addr, 0);
1226         if (info == NULL) {
1227                 dbus_set_error(error, DBUS_ERROR_FAILED,
1228                                "failed to find peer");
1229                 return FALSE;
1230         }
1231
1232         if (!wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
1233                                                     (char *)
1234                                                     info->pri_dev_type,
1235                                                     WPS_DEV_TYPE_LEN, error)) {
1236                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
1237                 return FALSE;
1238         }
1239
1240         return TRUE;
1241 }
1242
1243
1244 dbus_bool_t wpas_dbus_getter_p2p_peer_config_method(DBusMessageIter *iter,
1245                                                     DBusError *error,
1246                                                     void *user_data)
1247 {
1248         struct peer_handler_args *peer_args = user_data;
1249         const struct p2p_peer_info *info;
1250
1251         info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
1252                                   peer_args->p2p_device_addr, 0);
1253         if (info == NULL) {
1254                 dbus_set_error(error, DBUS_ERROR_FAILED,
1255                                "failed to find peer");
1256                 return FALSE;
1257         }
1258
1259         if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
1260                                               &info->config_methods, error)) {
1261                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
1262                 return FALSE;
1263         }
1264
1265         return TRUE;
1266 }
1267
1268
1269 dbus_bool_t wpas_dbus_getter_p2p_peer_level(DBusMessageIter *iter,
1270                                             DBusError *error,
1271                                             void *user_data)
1272 {
1273         struct peer_handler_args *peer_args = user_data;
1274         const struct p2p_peer_info *info;
1275
1276         info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
1277                                   peer_args->p2p_device_addr, 0);
1278         if (info == NULL) {
1279                 dbus_set_error(error, DBUS_ERROR_FAILED,
1280                                "failed to find peer");
1281                 return FALSE;
1282         }
1283
1284         if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
1285                                               &info->level, error)) {
1286                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
1287                 return FALSE;
1288         }
1289
1290         return TRUE;
1291 }
1292
1293
1294 dbus_bool_t wpas_dbus_getter_p2p_peer_device_capability(DBusMessageIter *iter,
1295                                                         DBusError *error,
1296                                                         void *user_data)
1297 {
1298         struct peer_handler_args *peer_args = user_data;
1299         const struct p2p_peer_info *info;
1300
1301         info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
1302                                   peer_args->p2p_device_addr, 0);
1303         if (info == NULL) {
1304                 dbus_set_error(error, DBUS_ERROR_FAILED,
1305                                "failed to find peer");
1306                 return FALSE;
1307         }
1308
1309         if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BYTE,
1310                                               &info->dev_capab, error)) {
1311                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
1312                 return FALSE;
1313         }
1314
1315         return TRUE;
1316 }
1317
1318
1319 dbus_bool_t wpas_dbus_getter_p2p_peer_group_capability(DBusMessageIter *iter,
1320                                                        DBusError *error,
1321                                                        void *user_data)
1322 {
1323         struct peer_handler_args *peer_args = user_data;
1324         const struct p2p_peer_info *info;
1325
1326         info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
1327                                   peer_args->p2p_device_addr, 0);
1328         if (info == NULL) {
1329                 dbus_set_error(error, DBUS_ERROR_FAILED,
1330                                "failed to find peer");
1331                 return FALSE;
1332         }
1333
1334         if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BYTE,
1335                                               &info->group_capab, error)) {
1336                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
1337                 return FALSE;
1338         }
1339
1340         return TRUE;
1341 }
1342
1343
1344 dbus_bool_t wpas_dbus_getter_p2p_peer_secondary_device_types(
1345         DBusMessageIter *iter, DBusError *error, void *user_data)
1346 {
1347         struct peer_handler_args *peer_args = user_data;
1348         const struct p2p_peer_info *info;
1349         DBusMessageIter variant_iter, array_iter;
1350
1351         info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
1352                                   peer_args->p2p_device_addr, 0);
1353         if (info == NULL) {
1354                 dbus_set_error(error, DBUS_ERROR_FAILED,
1355                                "failed to find peer");
1356                 return FALSE;
1357         }
1358
1359         if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
1360                                               DBUS_TYPE_ARRAY_AS_STRING
1361                                               DBUS_TYPE_ARRAY_AS_STRING
1362                                               DBUS_TYPE_BYTE_AS_STRING,
1363                                               &variant_iter)) {
1364                 dbus_set_error(error, DBUS_ERROR_FAILED,
1365                                "%s: failed to construct message 1", __func__);
1366                 return FALSE;
1367         }
1368
1369         if (!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
1370                                               DBUS_TYPE_ARRAY_AS_STRING
1371                                               DBUS_TYPE_BYTE_AS_STRING,
1372                                               &array_iter)) {
1373                 dbus_set_error(error, DBUS_ERROR_FAILED,
1374                                "%s: failed to construct message 2", __func__);
1375                 return FALSE;
1376         }
1377
1378         if (info->wps_sec_dev_type_list_len) {
1379                 const u8 *sec_dev_type_list = info->wps_sec_dev_type_list;
1380                 int num_sec_device_types =
1381                         info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN;
1382                 int i;
1383                 DBusMessageIter inner_array_iter;
1384
1385                 for (i = 0; i < num_sec_device_types; i++) {
1386                         if (!dbus_message_iter_open_container(
1387                                     &array_iter, DBUS_TYPE_ARRAY,
1388                                     DBUS_TYPE_BYTE_AS_STRING,
1389                                     &inner_array_iter)) {
1390                                 dbus_set_error(error, DBUS_ERROR_FAILED,
1391                                                "%s: failed to construct "
1392                                                "message 3 (%d)",
1393                                                __func__, i);
1394                                 return FALSE;
1395                         }
1396
1397                         if (!dbus_message_iter_append_fixed_array(
1398                                     &inner_array_iter, DBUS_TYPE_BYTE,
1399                                     &sec_dev_type_list, WPS_DEV_TYPE_LEN)) {
1400                                 dbus_set_error(error, DBUS_ERROR_FAILED,
1401                                                "%s: failed to construct "
1402                                                "message 4 (%d)",
1403                                                __func__, i);
1404                                 return FALSE;
1405                         }
1406
1407                         if (!dbus_message_iter_close_container(
1408                                     &array_iter, &inner_array_iter)) {
1409                                 dbus_set_error(error, DBUS_ERROR_FAILED,
1410                                                "%s: failed to construct "
1411                                                "message 5 (%d)",
1412                                                __func__, i);
1413                                 return FALSE;
1414                         }
1415
1416                         sec_dev_type_list += WPS_DEV_TYPE_LEN;
1417                 }
1418         }
1419
1420         if (!dbus_message_iter_close_container(&variant_iter, &array_iter)) {
1421                 dbus_set_error(error, DBUS_ERROR_FAILED,
1422                                "%s: failed to construct message 6", __func__);
1423                 return FALSE;
1424         }
1425
1426         if (!dbus_message_iter_close_container(iter, &variant_iter)) {
1427                 dbus_set_error(error, DBUS_ERROR_FAILED,
1428                                "%s: failed to construct message 7", __func__);
1429                 return FALSE;
1430         }
1431
1432         return TRUE;
1433 }
1434
1435
1436 dbus_bool_t wpas_dbus_getter_p2p_peer_vendor_extension(DBusMessageIter *iter,
1437                                                        DBusError *error,
1438                                                        void *user_data)
1439 {
1440         struct wpabuf *vendor_extension[P2P_MAX_WPS_VENDOR_EXT];
1441         int i, num;
1442         struct peer_handler_args *peer_args = user_data;
1443         const struct p2p_peer_info *info;
1444
1445         info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
1446                                   peer_args->p2p_device_addr, 0);
1447         if (info == NULL) {
1448                 dbus_set_error(error, DBUS_ERROR_FAILED,
1449                                "failed to find peer");
1450                 return FALSE;
1451         }
1452
1453         /* Add WPS vendor extensions attribute */
1454         for (i = 0, num = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
1455                 if (info->wps_vendor_ext[i] == NULL)
1456                         continue;
1457                 vendor_extension[num] = info->wps_vendor_ext[i];
1458                 num++;
1459         }
1460
1461         if (!wpas_dbus_simple_array_array_property_getter(iter, DBUS_TYPE_BYTE,
1462                                                           vendor_extension,
1463                                                           num, error))
1464                 return FALSE;
1465
1466         return TRUE;
1467 }
1468
1469
1470 dbus_bool_t wpas_dbus_getter_p2p_peer_ies(DBusMessageIter *iter,
1471                                           DBusError *error, void *user_data)
1472 {
1473         dbus_bool_t success;
1474         /* struct peer_handler_args *peer_args = user_data; */
1475
1476         success = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
1477                                                          NULL, 0, error);
1478         return success;
1479 }
1480
1481
1482 /**
1483  * wpas_dbus_getter_persistent_groups - Get array of persistent group objects
1484  * @iter: Pointer to incoming dbus message iter
1485  * @error: Location to store error on failure
1486  * @user_data: Function specific data
1487  * Returns: TRUE on success, FALSE on failure
1488  *
1489  * Getter for "PersistentGroups" property.
1490  */
1491 dbus_bool_t wpas_dbus_getter_persistent_groups(DBusMessageIter *iter,
1492                                                DBusError *error,
1493                                                void *user_data)
1494 {
1495         struct wpa_supplicant *wpa_s = user_data;
1496         struct wpa_ssid *ssid;
1497         char **paths;
1498         unsigned int i = 0, num = 0;
1499         dbus_bool_t success = FALSE;
1500
1501         if (wpa_s->conf == NULL) {
1502                 wpa_printf(MSG_ERROR, "dbus: %s: "
1503                            "An error occurred getting persistent groups list",
1504                            __func__);
1505                 dbus_set_error_const(error, DBUS_ERROR_FAILED, "an error "
1506                                      "occurred getting persistent groups list");
1507                 return FALSE;
1508         }
1509
1510         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
1511                 if (network_is_persistent_group(ssid))
1512                         num++;
1513
1514         paths = os_calloc(num, sizeof(char *));
1515         if (!paths) {
1516                 dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
1517                 return FALSE;
1518         }
1519
1520         /* Loop through configured networks and append object path of each */
1521         for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
1522                 if (!network_is_persistent_group(ssid))
1523                         continue;
1524                 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
1525                 if (paths[i] == NULL) {
1526                         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
1527                                              "no memory");
1528                         goto out;
1529                 }
1530                 /* Construct the object path for this network. */
1531                 os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
1532                             "%s/" WPAS_DBUS_NEW_PERSISTENT_GROUPS_PART "/%d",
1533                             wpa_s->dbus_new_path, ssid->id);
1534         }
1535
1536         success = wpas_dbus_simple_array_property_getter(iter,
1537                                                          DBUS_TYPE_OBJECT_PATH,
1538                                                          paths, num, error);
1539
1540 out:
1541         while (i)
1542                 os_free(paths[--i]);
1543         os_free(paths);
1544         return success;
1545 }
1546
1547
1548 /**
1549  * wpas_dbus_getter_persistent_group_properties - Get options for a persistent
1550  *      group
1551  * @iter: Pointer to incoming dbus message iter
1552  * @error: Location to store error on failure
1553  * @user_data: Function specific data
1554  * Returns: TRUE on success, FALSE on failure
1555  *
1556  * Getter for "Properties" property of a persistent group.
1557  */
1558 dbus_bool_t wpas_dbus_getter_persistent_group_properties(DBusMessageIter *iter,
1559                                                          DBusError *error,
1560                                                          void *user_data)
1561 {
1562         struct network_handler_args *net = user_data;
1563
1564         /* Leveraging the fact that persistent group object is still
1565          * represented in same manner as network within.
1566          */
1567         return wpas_dbus_getter_network_properties(iter, error, net);
1568 }
1569
1570
1571 /**
1572  * wpas_dbus_setter_persistent_group_properties - Get options for a persistent
1573  *      group
1574  * @iter: Pointer to incoming dbus message iter
1575  * @error: Location to store error on failure
1576  * @user_data: Function specific data
1577  * Returns: TRUE on success, FALSE on failure
1578  *
1579  * Setter for "Properties" property of a persistent group.
1580  */
1581 dbus_bool_t wpas_dbus_setter_persistent_group_properties(DBusMessageIter *iter,
1582                                                          DBusError *error,
1583                                                          void *user_data)
1584 {
1585         struct network_handler_args *net = user_data;
1586         struct wpa_ssid *ssid = net->ssid;
1587         DBusMessageIter variant_iter;
1588
1589         /*
1590          * Leveraging the fact that persistent group object is still
1591          * represented in same manner as network within.
1592          */
1593         dbus_message_iter_recurse(iter, &variant_iter);
1594         return set_network_properties(net->wpa_s, ssid, &variant_iter, error);
1595 }
1596
1597
1598 /**
1599  * wpas_dbus_new_iface_add_persistent_group - Add a new configured
1600  *      persistent_group
1601  * @message: Pointer to incoming dbus message
1602  * @wpa_s: wpa_supplicant structure for a network interface
1603  * Returns: A dbus message containing the object path of the new
1604  * persistent group
1605  *
1606  * Handler function for "AddPersistentGroup" method call of a P2P Device
1607  * interface.
1608  */
1609 DBusMessage * wpas_dbus_handler_add_persistent_group(
1610         DBusMessage *message, struct wpa_supplicant *wpa_s)
1611 {
1612         DBusMessage *reply = NULL;
1613         DBusMessageIter iter;
1614         struct wpa_ssid *ssid = NULL;
1615         char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
1616         DBusError error;
1617
1618         dbus_message_iter_init(message, &iter);
1619
1620         ssid = wpa_config_add_network(wpa_s->conf);
1621         if (ssid == NULL) {
1622                 wpa_printf(MSG_ERROR, "dbus: %s: "
1623                            "Cannot add new persistent group", __func__);
1624                 reply = wpas_dbus_error_unknown_error(
1625                         message,
1626                         "wpa_supplicant could not add "
1627                         "a persistent group on this interface.");
1628                 goto err;
1629         }
1630
1631         /* Mark the ssid as being a persistent group before the notification */
1632         ssid->disabled = 2;
1633         ssid->p2p_persistent_group = 1;
1634         wpas_notify_persistent_group_added(wpa_s, ssid);
1635
1636         wpa_config_set_network_defaults(ssid);
1637
1638         dbus_error_init(&error);
1639         if (!set_network_properties(wpa_s, ssid, &iter, &error)) {
1640                 wpa_printf(MSG_DEBUG, "dbus: %s: "
1641                            "Control interface could not set persistent group "
1642                            "properties", __func__);
1643                 reply = wpas_dbus_reply_new_from_error(message, &error,
1644                                                        DBUS_ERROR_INVALID_ARGS,
1645                                                        "Failed to set network "
1646                                                        "properties");
1647                 dbus_error_free(&error);
1648                 goto err;
1649         }
1650
1651         /* Construct the object path for this network. */
1652         os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
1653                     "%s/" WPAS_DBUS_NEW_PERSISTENT_GROUPS_PART "/%d",
1654                     wpa_s->dbus_new_path, ssid->id);
1655
1656         reply = dbus_message_new_method_return(message);
1657         if (reply == NULL) {
1658                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1659                                                NULL);
1660                 goto err;
1661         }
1662         if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
1663                                       DBUS_TYPE_INVALID)) {
1664                 dbus_message_unref(reply);
1665                 reply = dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
1666                                                NULL);
1667                 goto err;
1668         }
1669
1670         return reply;
1671
1672 err:
1673         if (ssid) {
1674                 wpas_notify_persistent_group_removed(wpa_s, ssid);
1675                 wpa_config_remove_network(wpa_s->conf, ssid->id);
1676         }
1677         return reply;
1678 }
1679
1680
1681 /**
1682  * wpas_dbus_handler_remove_persistent_group - Remove a configured persistent
1683  *      group
1684  * @message: Pointer to incoming dbus message
1685  * @wpa_s: wpa_supplicant structure for a network interface
1686  * Returns: NULL on success or dbus error on failure
1687  *
1688  * Handler function for "RemovePersistentGroup" method call of a P2P Device
1689  * interface.
1690  */
1691 DBusMessage * wpas_dbus_handler_remove_persistent_group(
1692         DBusMessage *message, struct wpa_supplicant *wpa_s)
1693 {
1694         DBusMessage *reply = NULL;
1695         const char *op;
1696         char *iface = NULL, *persistent_group_id = NULL;
1697         int id;
1698         struct wpa_ssid *ssid;
1699
1700         dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
1701                               DBUS_TYPE_INVALID);
1702
1703         /*
1704          * Extract the network ID and ensure the network is actually a child of
1705          * this interface.
1706          */
1707         iface = wpas_dbus_new_decompose_object_path(op, 1,
1708                                                     &persistent_group_id,
1709                                                     NULL);
1710         if (iface == NULL || os_strcmp(iface, wpa_s->dbus_new_path) != 0) {
1711                 reply = wpas_dbus_error_invalid_args(message, op);
1712                 goto out;
1713         }
1714
1715         id = strtoul(persistent_group_id, NULL, 10);
1716         if (errno == EINVAL) {
1717                 reply = wpas_dbus_error_invalid_args(message, op);
1718                 goto out;
1719         }
1720
1721         ssid = wpa_config_get_network(wpa_s->conf, id);
1722         if (ssid == NULL) {
1723                 reply = wpas_dbus_error_persistent_group_unknown(message);
1724                 goto out;
1725         }
1726
1727         wpas_notify_persistent_group_removed(wpa_s, ssid);
1728
1729         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
1730                 wpa_printf(MSG_ERROR, "dbus: %s: "
1731                            "error occurred when removing persistent group %d",
1732                            __func__, id);
1733                 reply = wpas_dbus_error_unknown_error(
1734                         message,
1735                         "error removing the specified persistent group on "
1736                         "this interface.");
1737                 goto out;
1738         }
1739
1740 out:
1741         os_free(iface);
1742         os_free(persistent_group_id);
1743         return reply;
1744 }
1745
1746
1747 static void remove_persistent_group(struct wpa_supplicant *wpa_s,
1748                                     struct wpa_ssid *ssid)
1749 {
1750         wpas_notify_persistent_group_removed(wpa_s, ssid);
1751
1752         if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) {
1753                 wpa_printf(MSG_ERROR, "dbus: %s: "
1754                            "error occurred when removing persistent group %d",
1755                            __func__, ssid->id);
1756                 return;
1757         }
1758 }
1759
1760
1761 /**
1762  * wpas_dbus_handler_remove_all_persistent_groups - Remove all configured
1763  * persistent groups
1764  * @message: Pointer to incoming dbus message
1765  * @wpa_s: wpa_supplicant structure for a network interface
1766  * Returns: NULL on success or dbus error on failure
1767  *
1768  * Handler function for "RemoveAllPersistentGroups" method call of a
1769  * P2P Device interface.
1770  */
1771 DBusMessage * wpas_dbus_handler_remove_all_persistent_groups(
1772         DBusMessage *message, struct wpa_supplicant *wpa_s)
1773 {
1774         struct wpa_ssid *ssid, *next;
1775         struct wpa_config *config;
1776
1777         config = wpa_s->conf;
1778         ssid = config->ssid;
1779         while (ssid) {
1780                 next = ssid->next;
1781                 if (network_is_persistent_group(ssid))
1782                         remove_persistent_group(wpa_s, ssid);
1783                 ssid = next;
1784         }
1785         return NULL;
1786 }
1787
1788
1789 /*
1790  * Group object properties accessor methods
1791  */
1792
1793 dbus_bool_t wpas_dbus_getter_p2p_group_members(DBusMessageIter *iter,
1794                                                DBusError *error,
1795                                                void *user_data)
1796 {
1797         struct wpa_supplicant *wpa_s = user_data;
1798         struct wpa_ssid *ssid;
1799         unsigned int num_members;
1800         char **paths;
1801         unsigned int i;
1802         void *next = NULL;
1803         const u8 *addr;
1804         dbus_bool_t success = FALSE;
1805
1806         /* Verify correct role for this property */
1807         if (wpas_get_p2p_role(wpa_s) != WPAS_P2P_ROLE_GO) {
1808                 return wpas_dbus_simple_array_property_getter(
1809                         iter, DBUS_TYPE_OBJECT_PATH, NULL, 0, error);
1810         }
1811
1812         ssid = wpa_s->conf->ssid;
1813         /* At present WPAS P2P_GO mode only applicable for p2p_go */
1814         if (ssid->mode != WPAS_MODE_P2P_GO &&
1815             ssid->mode != WPAS_MODE_AP &&
1816             ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION)
1817                 return FALSE;
1818
1819         num_members = p2p_get_group_num_members(wpa_s->p2p_group);
1820
1821         paths = os_calloc(num_members, sizeof(char *));
1822         if (!paths)
1823                 goto out_of_memory;
1824
1825         i = 0;
1826         while ((addr = p2p_iterate_group_members(wpa_s->p2p_group, &next))) {
1827                 paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
1828                 if (!paths[i])
1829                         goto out_of_memory;
1830                 os_snprintf(paths[i], WPAS_DBUS_OBJECT_PATH_MAX,
1831                             "%s/" WPAS_DBUS_NEW_P2P_GROUPMEMBERS_PART
1832                             "/" COMPACT_MACSTR,
1833                             wpa_s->dbus_groupobj_path, MAC2STR(addr));
1834                 i++;
1835         }
1836
1837         success = wpas_dbus_simple_array_property_getter(iter,
1838                                                          DBUS_TYPE_OBJECT_PATH,
1839                                                          paths, num_members,
1840                                                          error);
1841
1842         for (i = 0; i < num_members; i++)
1843                 os_free(paths[i]);
1844         os_free(paths);
1845         return success;
1846
1847 out_of_memory:
1848         dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
1849         if (paths) {
1850                 for (i = 0; i < num_members; i++)
1851                         os_free(paths[i]);
1852                 os_free(paths);
1853         }
1854         return FALSE;
1855 }
1856
1857
1858 dbus_bool_t wpas_dbus_getter_p2p_group_ssid(DBusMessageIter *iter,
1859                                             DBusError *error, void *user_data)
1860 {
1861         struct wpa_supplicant *wpa_s = user_data;
1862         if (wpa_s->current_ssid == NULL)
1863                 return FALSE;
1864         return wpas_dbus_simple_array_property_getter(
1865                 iter, DBUS_TYPE_BYTE, wpa_s->current_ssid->ssid,
1866                 wpa_s->current_ssid->ssid_len, error);
1867 }
1868
1869
1870 dbus_bool_t wpas_dbus_getter_p2p_group_bssid(DBusMessageIter *iter,
1871                                              DBusError *error,
1872                                              void *user_data)
1873 {
1874         struct wpa_supplicant *wpa_s = user_data;
1875         u8 role = wpas_get_p2p_role(wpa_s);
1876         u8 *p_bssid;
1877
1878         if (role == WPAS_P2P_ROLE_CLIENT) {
1879                 if (wpa_s->current_ssid == NULL)
1880                         return FALSE;
1881                 p_bssid = wpa_s->current_ssid->bssid;
1882         } else {
1883                 if (wpa_s->ap_iface == NULL)
1884                         return FALSE;
1885                 p_bssid = wpa_s->ap_iface->bss[0]->own_addr;
1886         }
1887
1888         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
1889                                                       p_bssid, ETH_ALEN,
1890                                                       error);
1891 }
1892
1893
1894 dbus_bool_t wpas_dbus_getter_p2p_group_frequency(DBusMessageIter *iter,
1895                                                  DBusError *error,
1896                                                  void *user_data)
1897 {
1898         struct wpa_supplicant *wpa_s = user_data;
1899         u16 op_freq;
1900         u8 role = wpas_get_p2p_role(wpa_s);
1901
1902         if (role == WPAS_P2P_ROLE_CLIENT) {
1903                 if (wpa_s->go_params == NULL)
1904                         return FALSE;
1905                 op_freq = wpa_s->go_params->freq;
1906         } else {
1907                 if (wpa_s->ap_iface == NULL)
1908                         return FALSE;
1909                 op_freq = wpa_s->ap_iface->freq;
1910         }
1911
1912         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
1913                                                 &op_freq, error);
1914 }
1915
1916
1917 dbus_bool_t wpas_dbus_getter_p2p_group_passphrase(DBusMessageIter *iter,
1918                                                   DBusError *error,
1919                                                   void *user_data)
1920 {
1921         struct wpa_supplicant *wpa_s = user_data;
1922         u8 role = wpas_get_p2p_role(wpa_s);
1923         char *p_pass = NULL;
1924
1925         /* Verify correct role for this property */
1926         if (role == WPAS_P2P_ROLE_GO) {
1927                 if (wpa_s->current_ssid == NULL)
1928                         return FALSE;
1929                 p_pass = wpa_s->current_ssid->passphrase;
1930         } else
1931                 p_pass = "";
1932
1933         return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
1934                                                 &p_pass, error);
1935
1936 }
1937
1938
1939 dbus_bool_t wpas_dbus_getter_p2p_group_psk(DBusMessageIter *iter,
1940                                            DBusError *error, void *user_data)
1941 {
1942         struct wpa_supplicant *wpa_s = user_data;
1943         u8 role = wpas_get_p2p_role(wpa_s);
1944         u8 *p_psk = NULL;
1945         u8 psk_len = 0;
1946
1947         /* Verify correct role for this property */
1948         if (role == WPAS_P2P_ROLE_CLIENT) {
1949                 if (wpa_s->current_ssid == NULL)
1950                         return FALSE;
1951                 p_psk = wpa_s->current_ssid->psk;
1952                 psk_len = 32;
1953         }
1954
1955         return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
1956                                                       &p_psk, psk_len, error);
1957 }
1958
1959
1960 dbus_bool_t wpas_dbus_getter_p2p_group_vendor_ext(DBusMessageIter *iter,
1961                                                   DBusError *error,
1962                                                   void *user_data)
1963 {
1964         struct wpa_supplicant *wpa_s = user_data;
1965         struct hostapd_data *hapd;
1966         struct wpabuf *vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
1967         int num_vendor_ext = 0;
1968         int i;
1969
1970         /* Verify correct role for this property */
1971         if (wpas_get_p2p_role(wpa_s) == WPAS_P2P_ROLE_GO) {
1972                 if (wpa_s->ap_iface == NULL)
1973                         return FALSE;
1974                 hapd = wpa_s->ap_iface->bss[0];
1975
1976                 /* Parse WPS Vendor Extensions sent in Beacon/Probe Response */
1977                 for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
1978                         if (hapd->conf->wps_vendor_ext[i] == NULL)
1979                                 vendor_ext[i] = NULL;
1980                         else {
1981                                 vendor_ext[num_vendor_ext++] =
1982                                         hapd->conf->wps_vendor_ext[i];
1983                         }
1984                 }
1985         }
1986
1987         /* Return vendor extensions or no data */
1988         return wpas_dbus_simple_array_array_property_getter(iter,
1989                                                             DBUS_TYPE_BYTE,
1990                                                             vendor_ext,
1991                                                             num_vendor_ext,
1992                                                  error);
1993 }
1994
1995
1996 dbus_bool_t wpas_dbus_setter_p2p_group_vendor_ext(DBusMessageIter *iter,
1997                                                   DBusError *error,
1998                                                   void *user_data)
1999 {
2000         struct wpa_supplicant *wpa_s = user_data;
2001         DBusMessageIter variant_iter, iter_dict;
2002         struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
2003         unsigned int i;
2004         struct hostapd_data *hapd = NULL;
2005
2006         if (wpas_get_p2p_role(wpa_s) == WPAS_P2P_ROLE_GO &&
2007             wpa_s->ap_iface != NULL)
2008                 hapd = wpa_s->ap_iface->bss[0];
2009         else
2010                 return FALSE;
2011
2012         dbus_message_iter_recurse(iter, &variant_iter);
2013         if (!wpa_dbus_dict_open_read(&variant_iter, &iter_dict, error))
2014                 return FALSE;
2015
2016         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
2017                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
2018                         dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
2019                                              "invalid message format");
2020                         return FALSE;
2021                 }
2022
2023                 if (os_strcmp(entry.key, "WPSVendorExtensions") == 0) {
2024                         if (entry.type != DBUS_TYPE_ARRAY ||
2025                             entry.array_type != WPAS_DBUS_TYPE_BINARRAY ||
2026                             entry.array_len > MAX_WPS_VENDOR_EXTENSIONS)
2027                                 goto error;
2028
2029                         for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
2030                                 if (i < entry.array_len) {
2031                                         hapd->conf->wps_vendor_ext[i] =
2032                                                 entry.binarray_value[i];
2033                                         entry.binarray_value[i] = NULL;
2034                                 } else
2035                                         hapd->conf->wps_vendor_ext[i] = NULL;
2036                         }
2037
2038                         hostapd_update_wps(hapd);
2039                 } else
2040                         goto error;
2041
2042                 wpa_dbus_dict_entry_clear(&entry);
2043         }
2044
2045         return TRUE;
2046
2047 error:
2048         wpa_dbus_dict_entry_clear(&entry);
2049         dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
2050                              "invalid message format");
2051         return FALSE;
2052 }
2053
2054
2055 DBusMessage * wpas_dbus_handler_p2p_add_service(DBusMessage *message,
2056                                                 struct wpa_supplicant *wpa_s)
2057 {
2058         DBusMessageIter iter_dict;
2059         DBusMessage *reply = NULL;
2060         DBusMessageIter iter;
2061         struct wpa_dbus_dict_entry entry;
2062         int upnp = 0;
2063         int bonjour = 0;
2064         char *service = NULL;
2065         struct wpabuf *query = NULL;
2066         struct wpabuf *resp = NULL;
2067         u8 version = 0;
2068
2069         dbus_message_iter_init(message, &iter);
2070
2071         if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
2072                 goto error;
2073
2074         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
2075                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
2076                         goto error;
2077
2078                 if (!os_strcmp(entry.key, "service_type") &&
2079                     (entry.type == DBUS_TYPE_STRING)) {
2080                         if (!os_strcmp(entry.str_value, "upnp"))
2081                                 upnp = 1;
2082                         else if (!os_strcmp(entry.str_value, "bonjour"))
2083                                 bonjour = 1;
2084                         else
2085                                 goto error_clear;
2086                 } else if (!os_strcmp(entry.key, "version") &&
2087                            entry.type == DBUS_TYPE_INT32) {
2088                         version = entry.uint32_value;
2089                 } else if (!os_strcmp(entry.key, "service") &&
2090                              (entry.type == DBUS_TYPE_STRING)) {
2091                         service = os_strdup(entry.str_value);
2092                 } else if (!os_strcmp(entry.key, "query")) {
2093                         if ((entry.type != DBUS_TYPE_ARRAY) ||
2094                             (entry.array_type != DBUS_TYPE_BYTE))
2095                                 goto error_clear;
2096                         query = wpabuf_alloc_copy(
2097                                 entry.bytearray_value,
2098                                 entry.array_len);
2099                 } else if (!os_strcmp(entry.key, "response")) {
2100                         if ((entry.type != DBUS_TYPE_ARRAY) ||
2101                             (entry.array_type != DBUS_TYPE_BYTE))
2102                                 goto error_clear;
2103                         resp = wpabuf_alloc_copy(entry.bytearray_value,
2104                                                  entry.array_len);
2105                 }
2106                 wpa_dbus_dict_entry_clear(&entry);
2107         }
2108
2109         if (upnp == 1) {
2110                 if (version <= 0 || service == NULL)
2111                         goto error;
2112
2113                 if (wpas_p2p_service_add_upnp(wpa_s, version, service) != 0)
2114                         goto error;
2115
2116                 os_free(service);
2117                 service = NULL;
2118         } else if (bonjour == 1) {
2119                 if (query == NULL || resp == NULL)
2120                         goto error;
2121
2122                 if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0)
2123                         goto error;
2124                 query = NULL;
2125                 resp = NULL;
2126         } else
2127                 goto error;
2128
2129         return reply;
2130 error_clear:
2131         wpa_dbus_dict_entry_clear(&entry);
2132 error:
2133         os_free(service);
2134         wpabuf_free(query);
2135         wpabuf_free(resp);
2136         return wpas_dbus_error_invalid_args(message, NULL);
2137 }
2138
2139
2140 DBusMessage * wpas_dbus_handler_p2p_delete_service(
2141         DBusMessage *message, struct wpa_supplicant *wpa_s)
2142 {
2143         DBusMessageIter iter_dict;
2144         DBusMessage *reply = NULL;
2145         DBusMessageIter iter;
2146         struct wpa_dbus_dict_entry entry;
2147         int upnp = 0;
2148         int bonjour = 0;
2149         int ret = 0;
2150         char *service = NULL;
2151         struct wpabuf *query = NULL;
2152         u8 version = 0;
2153
2154         dbus_message_iter_init(message, &iter);
2155
2156         if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
2157                 goto error;
2158
2159         if (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
2160                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
2161                         goto error;
2162
2163                 if (!os_strcmp(entry.key, "service_type") &&
2164                     (entry.type == DBUS_TYPE_STRING)) {
2165                         if (!os_strcmp(entry.str_value, "upnp"))
2166                                 upnp = 1;
2167                         else if (!os_strcmp(entry.str_value, "bonjour"))
2168                                 bonjour = 1;
2169                         else
2170                                 goto error_clear;
2171                         wpa_dbus_dict_entry_clear(&entry);
2172                 }
2173         }
2174         if (upnp == 1) {
2175                 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
2176                         if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
2177                                 goto error;
2178                         if (!os_strcmp(entry.key, "version") &&
2179                             entry.type == DBUS_TYPE_INT32)
2180                                 version = entry.uint32_value;
2181                         else if (!os_strcmp(entry.key, "service") &&
2182                                  entry.type == DBUS_TYPE_STRING)
2183                                 service = os_strdup(entry.str_value);
2184                         else
2185                                 goto error_clear;
2186
2187                         wpa_dbus_dict_entry_clear(&entry);
2188                 }
2189
2190                 if (version <= 0 || service == NULL)
2191                         goto error;
2192
2193                 ret = wpas_p2p_service_del_upnp(wpa_s, version, service);
2194                 os_free(service);
2195                 if (ret != 0)
2196                         goto error;
2197         } else if (bonjour == 1) {
2198                 while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
2199                         if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
2200                                 goto error;
2201
2202                         if (!os_strcmp(entry.key, "query")) {
2203                                 if ((entry.type != DBUS_TYPE_ARRAY) ||
2204                                     (entry.array_type != DBUS_TYPE_BYTE))
2205                                         goto error_clear;
2206                                 query = wpabuf_alloc_copy(
2207                                         entry.bytearray_value,
2208                                         entry.array_len);
2209                         } else
2210                                 goto error_clear;
2211
2212                         wpa_dbus_dict_entry_clear(&entry);
2213                 }
2214
2215                 if (query == NULL)
2216                         goto error;
2217
2218                 ret = wpas_p2p_service_del_bonjour(wpa_s, query);
2219                 if (ret != 0)
2220                         goto error;
2221                 wpabuf_free(query);
2222         } else
2223                 goto error;
2224
2225         return reply;
2226 error_clear:
2227         wpa_dbus_dict_entry_clear(&entry);
2228 error:
2229         return wpas_dbus_error_invalid_args(message, NULL);
2230 }
2231
2232
2233 DBusMessage * wpas_dbus_handler_p2p_flush_service(DBusMessage *message,
2234                                                   struct wpa_supplicant *wpa_s)
2235 {
2236         wpas_p2p_service_flush(wpa_s);
2237         return NULL;
2238 }
2239
2240
2241 DBusMessage * wpas_dbus_handler_p2p_service_sd_req(
2242         DBusMessage *message, struct wpa_supplicant *wpa_s)
2243 {
2244         DBusMessageIter iter_dict;
2245         DBusMessage *reply = NULL;
2246         DBusMessageIter iter;
2247         struct wpa_dbus_dict_entry entry;
2248         int upnp = 0;
2249         char *service = NULL;
2250         char *peer_object_path = NULL;
2251         struct wpabuf *tlv = NULL;
2252         u8 version = 0;
2253         u64 ref = 0;
2254         u8 addr_buf[ETH_ALEN], *addr;
2255
2256         dbus_message_iter_init(message, &iter);
2257
2258         if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
2259                 goto error;
2260
2261         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
2262                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
2263                         goto error;
2264                 if (!os_strcmp(entry.key, "peer_object") &&
2265                     entry.type == DBUS_TYPE_OBJECT_PATH) {
2266                         peer_object_path = os_strdup(entry.str_value);
2267                 } else if (!os_strcmp(entry.key, "service_type") &&
2268                            entry.type == DBUS_TYPE_STRING) {
2269                         if (!os_strcmp(entry.str_value, "upnp"))
2270                                 upnp = 1;
2271                         else
2272                                 goto error_clear;
2273                 } else if (!os_strcmp(entry.key, "version") &&
2274                            entry.type == DBUS_TYPE_INT32) {
2275                         version = entry.uint32_value;
2276                 } else if (!os_strcmp(entry.key, "service") &&
2277                            entry.type == DBUS_TYPE_STRING) {
2278                         service = os_strdup(entry.str_value);
2279                 } else if (!os_strcmp(entry.key, "tlv")) {
2280                         if (entry.type != DBUS_TYPE_ARRAY ||
2281                             entry.array_type != DBUS_TYPE_BYTE)
2282                                 goto error_clear;
2283                         tlv = wpabuf_alloc_copy(entry.bytearray_value,
2284                                                 entry.array_len);
2285                 } else
2286                         goto error_clear;
2287
2288                 wpa_dbus_dict_entry_clear(&entry);
2289         }
2290
2291         if (!peer_object_path) {
2292                 addr = NULL;
2293         } else {
2294                 if (parse_peer_object_path(peer_object_path, addr_buf) < 0 ||
2295                     !p2p_peer_known(wpa_s->global->p2p, addr_buf))
2296                         goto error;
2297
2298                 addr = addr_buf;
2299         }
2300
2301         if (upnp == 1) {
2302                 if (version <= 0 || service == NULL)
2303                         goto error;
2304
2305                 ref = wpas_p2p_sd_request_upnp(wpa_s, addr, version, service);
2306         } else {
2307                 if (tlv == NULL)
2308                         goto error;
2309                 ref = wpas_p2p_sd_request(wpa_s, addr, tlv);
2310                 wpabuf_free(tlv);
2311         }
2312
2313         if (ref != 0) {
2314                 reply = dbus_message_new_method_return(message);
2315                 dbus_message_append_args(reply, DBUS_TYPE_UINT64,
2316                                          &ref, DBUS_TYPE_INVALID);
2317         } else {
2318                 reply = wpas_dbus_error_unknown_error(
2319                         message, "Unable to send SD request");
2320         }
2321 out:
2322         os_free(service);
2323         os_free(peer_object_path);
2324         return reply;
2325 error_clear:
2326         wpa_dbus_dict_entry_clear(&entry);
2327 error:
2328         if (tlv)
2329                 wpabuf_free(tlv);
2330         reply = wpas_dbus_error_invalid_args(message, NULL);
2331         goto out;
2332 }
2333
2334
2335 DBusMessage * wpas_dbus_handler_p2p_service_sd_res(
2336         DBusMessage *message, struct wpa_supplicant *wpa_s)
2337 {
2338         DBusMessageIter iter_dict;
2339         DBusMessage *reply = NULL;
2340         DBusMessageIter iter;
2341         struct wpa_dbus_dict_entry entry;
2342         char *peer_object_path = NULL;
2343         struct wpabuf *tlv = NULL;
2344         int freq = 0;
2345         int dlg_tok = 0;
2346         u8 addr[ETH_ALEN];
2347
2348         dbus_message_iter_init(message, &iter);
2349
2350         if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
2351                 goto error;
2352
2353         while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
2354                 if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
2355                         goto error;
2356
2357                 if (!os_strcmp(entry.key, "peer_object") &&
2358                     entry.type == DBUS_TYPE_OBJECT_PATH) {
2359                         peer_object_path = os_strdup(entry.str_value);
2360                 } else if (!os_strcmp(entry.key, "frequency") &&
2361                            entry.type == DBUS_TYPE_INT32) {
2362                         freq = entry.uint32_value;
2363                 } else if (!os_strcmp(entry.key, "dialog_token") &&
2364                            entry.type == DBUS_TYPE_UINT32) {
2365                         dlg_tok = entry.uint32_value;
2366                 } else if (!os_strcmp(entry.key, "tlvs")) {
2367                         if (entry.type != DBUS_TYPE_ARRAY ||
2368                             entry.array_type != DBUS_TYPE_BYTE)
2369                                 goto error_clear;
2370                         tlv = wpabuf_alloc_copy(entry.bytearray_value,
2371                                                 entry.array_len);
2372                 } else
2373                         goto error_clear;
2374
2375                 wpa_dbus_dict_entry_clear(&entry);
2376         }
2377         if (!peer_object_path ||
2378             (parse_peer_object_path(peer_object_path, addr) < 0) ||
2379             !p2p_peer_known(wpa_s->global->p2p, addr))
2380                 goto error;
2381
2382         if (tlv == NULL)
2383                 goto error;
2384
2385         wpas_p2p_sd_response(wpa_s, freq, addr, (u8) dlg_tok, tlv);
2386         wpabuf_free(tlv);
2387 out:
2388         os_free(peer_object_path);
2389         return reply;
2390 error_clear:
2391         wpa_dbus_dict_entry_clear(&entry);
2392 error:
2393         reply = wpas_dbus_error_invalid_args(message, NULL);
2394         goto out;
2395 }
2396
2397
2398 DBusMessage * wpas_dbus_handler_p2p_service_sd_cancel_req(
2399         DBusMessage *message, struct wpa_supplicant *wpa_s)
2400 {
2401         DBusMessageIter iter;
2402         u64 req = 0;
2403
2404         dbus_message_iter_init(message, &iter);
2405         dbus_message_iter_get_basic(&iter, &req);
2406
2407         if (req == 0)
2408                 goto error;
2409
2410         if (!wpas_p2p_sd_cancel_request(wpa_s, req))
2411                 goto error;
2412
2413         return NULL;
2414 error:
2415         return wpas_dbus_error_invalid_args(message, NULL);
2416 }
2417
2418
2419 DBusMessage * wpas_dbus_handler_p2p_service_update(
2420         DBusMessage *message, struct wpa_supplicant *wpa_s)
2421 {
2422         wpas_p2p_sd_service_update(wpa_s);
2423         return NULL;
2424 }
2425
2426
2427 DBusMessage * wpas_dbus_handler_p2p_serv_disc_external(
2428         DBusMessage *message, struct wpa_supplicant *wpa_s)
2429 {
2430         DBusMessageIter iter;
2431         int ext = 0;
2432
2433         dbus_message_iter_init(message, &iter);
2434         dbus_message_iter_get_basic(&iter, &ext);
2435
2436         wpa_s->p2p_sd_over_ctrl_iface = ext;
2437
2438         return NULL;
2439
2440 }