wpa_supplicant/notify.c

   1 /*
   2  * wpa_supplicant - Event notifications
   3  * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "common/wpa_ctrl.h"
  13 #include "config.h"
  14 #include "wpa_supplicant_i.h"
  15 #include "wps_supplicant.h"
  16 #include "dbus/dbus_common.h"
  17 #include "dbus/dbus_old.h"
  18 #include "dbus/dbus_new.h"
  19 #include "rsn_supp/wpa.h"
  20 #include "driver_i.h"
  21 #include "scan.h"
  22 #include "p2p_supplicant.h"
  23 #include "sme.h"
  24 #include "notify.h"
  25
  26 int wpas_notify_supplicant_initialized(struct wpa_global *global)
  27 {
  28 #ifdef CONFIG_DBUS
  29         if (global->params.dbus_ctrl_interface) {
  30                 global->dbus = wpas_dbus_init(global);
  31                 if (global->dbus == NULL)
  32                         return -1;
  33         }
  34 #endif /* CONFIG_DBUS */
  35
  36         return 0;
  37 }
  38
  39
  40 void wpas_notify_supplicant_deinitialized(struct wpa_global *global)
  41 {
  42 #ifdef CONFIG_DBUS
  43         if (global->dbus)
  44                 wpas_dbus_deinit(global->dbus);
  45 #endif /* CONFIG_DBUS */
  46 }
  47
  48
  49 int wpas_notify_iface_added(struct wpa_supplicant *wpa_s)
  50 {
  51         if (wpas_dbus_register_iface(wpa_s))
  52                 return -1;
  53
  54         if (wpas_dbus_register_interface(wpa_s))
  55                 return -1;
  56
  57         return 0;
  58 }
  59
  60
  61 void wpas_notify_iface_removed(struct wpa_supplicant *wpa_s)
  62 {
  63         /* unregister interface in old DBus ctrl iface */
  64         wpas_dbus_unregister_iface(wpa_s);
  65
  66         /* unregister interface in new DBus ctrl iface */
  67         wpas_dbus_unregister_interface(wpa_s);
  68 }
  69
  70
  71 void wpas_notify_state_changed(struct wpa_supplicant *wpa_s,
  72                                enum wpa_states new_state,
  73                                enum wpa_states old_state)
  74 {
  75         /* notify the old DBus API */
  76         wpa_supplicant_dbus_notify_state_change(wpa_s, new_state,
  77                                                 old_state);
  78
  79         /* notify the new DBus API */
  80         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_STATE);
  81
  82 #ifdef CONFIG_P2P
  83         if (new_state == WPA_COMPLETED)
  84                 wpas_p2p_notif_connected(wpa_s);
  85         else if (old_state >= WPA_ASSOCIATED && new_state < WPA_ASSOCIATED)
  86                 wpas_p2p_notif_disconnected(wpa_s);
  87 #endif /* CONFIG_P2P */
  88
  89         sme_state_changed(wpa_s);
  90
  91 #ifdef ANDROID
  92         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
  93                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
  94                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
  95                      new_state,
  96                      MAC2STR(wpa_s->bssid),
  97                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
  98                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
  99                      wpa_s->current_ssid->ssid_len): "");
 100 #endif /* ANDROID */
 101 }
 102
 103
 104 void wpas_notify_disconnect_reason(struct wpa_supplicant *wpa_s)
 105 {
 106         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_DISCONNECT_REASON);
 107 }
 108
 109
 110 void wpas_notify_network_changed(struct wpa_supplicant *wpa_s)
 111 {
 112         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_NETWORK);
 113 }
 114
 115
 116 void wpas_notify_ap_scan_changed(struct wpa_supplicant *wpa_s)
 117 {
 118         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_AP_SCAN);
 119 }
 120
 121
 122 void wpas_notify_bssid_changed(struct wpa_supplicant *wpa_s)
 123 {
 124         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_BSS);
 125 }
 126
 127
 128 void wpas_notify_auth_changed(struct wpa_supplicant *wpa_s)
 129 {
 130         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_AUTH_MODE);
 131 }
 132
 133
 134 void wpas_notify_network_enabled_changed(struct wpa_supplicant *wpa_s,
 135                                          struct wpa_ssid *ssid)
 136 {
 137         wpas_dbus_signal_network_enabled_changed(wpa_s, ssid);
 138 }
 139
 140
 141 void wpas_notify_network_selected(struct wpa_supplicant *wpa_s,
 142                                   struct wpa_ssid *ssid)
 143 {
 144         wpas_dbus_signal_network_selected(wpa_s, ssid->id);
 145 }
 146
 147
 148 void wpas_notify_network_request(struct wpa_supplicant *wpa_s,
 149                                  struct wpa_ssid *ssid,
 150                                  enum wpa_ctrl_req_type rtype,
 151                                  const char *default_txt)
 152 {
 153         wpas_dbus_signal_network_request(wpa_s, ssid, rtype, default_txt);
 154 }
 155
 156
 157 void wpas_notify_scanning(struct wpa_supplicant *wpa_s)
 158 {
 159         /* notify the old DBus API */
 160         wpa_supplicant_dbus_notify_scanning(wpa_s);
 161
 162         /* notify the new DBus API */
 163         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SCANNING);
 164 }
 165
 166
 167 void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success)
 168 {
 169         wpas_dbus_signal_scan_done(wpa_s, success);
 170 }
 171
 172
 173 void wpas_notify_scan_results(struct wpa_supplicant *wpa_s)
 174 {
 175         /* notify the old DBus API */
 176         wpa_supplicant_dbus_notify_scan_results(wpa_s);
 177
 178         wpas_wps_notify_scan_results(wpa_s);
 179 }
 180
 181
 182 void wpas_notify_wps_credential(struct wpa_supplicant *wpa_s,
 183                                 const struct wps_credential *cred)
 184 {
 185 #ifdef CONFIG_WPS
 186         /* notify the old DBus API */
 187         wpa_supplicant_dbus_notify_wps_cred(wpa_s, cred);
 188         /* notify the new DBus API */
 189         wpas_dbus_signal_wps_cred(wpa_s, cred);
 190 #endif /* CONFIG_WPS */
 191 }
 192
 193
 194 void wpas_notify_wps_event_m2d(struct wpa_supplicant *wpa_s,
 195                                struct wps_event_m2d *m2d)
 196 {
 197 #ifdef CONFIG_WPS
 198         wpas_dbus_signal_wps_event_m2d(wpa_s, m2d);
 199 #endif /* CONFIG_WPS */
 200 }
 201
 202
 203 void wpas_notify_wps_event_fail(struct wpa_supplicant *wpa_s,
 204                                 struct wps_event_fail *fail)
 205 {
 206 #ifdef CONFIG_WPS
 207         wpas_dbus_signal_wps_event_fail(wpa_s, fail);
 208 #endif /* CONFIG_WPS */
 209 }
 210
 211
 212 void wpas_notify_wps_event_success(struct wpa_supplicant *wpa_s)
 213 {
 214 #ifdef CONFIG_WPS
 215         wpas_dbus_signal_wps_event_success(wpa_s);
 216 #endif /* CONFIG_WPS */
 217 }
 218
 219
 220 void wpas_notify_network_added(struct wpa_supplicant *wpa_s,
 221                                struct wpa_ssid *ssid)
 222 {
 223         /*
 224          * Networks objects created during any P2P activities should not be
 225          * exposed out. They might/will confuse certain non-P2P aware
 226          * applications since these network objects won't behave like
 227          * regular ones.
 228          */
 229         if (wpa_s->global->p2p_group_formation != wpa_s)
 230                 wpas_dbus_register_network(wpa_s, ssid);
 231 }
 232
 233
 234 void wpas_notify_persistent_group_added(struct wpa_supplicant *wpa_s,
 235                                         struct wpa_ssid *ssid)
 236 {
 237 #ifdef CONFIG_P2P
 238         wpas_dbus_register_persistent_group(wpa_s, ssid);
 239 #endif /* CONFIG_P2P */
 240 }
 241
 242
 243 void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s,
 244                                           struct wpa_ssid *ssid)
 245 {
 246 #ifdef CONFIG_P2P
 247         wpas_dbus_unregister_persistent_group(wpa_s, ssid->id);
 248 #endif /* CONFIG_P2P */
 249 }
 250
 251
 252 void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
 253                                  struct wpa_ssid *ssid)
 254 {
 255         if (wpa_s->wpa)
 256                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
 257         if (wpa_s->global->p2p_group_formation != wpa_s)
 258                 wpas_dbus_unregister_network(wpa_s, ssid->id);
 259 #ifdef CONFIG_P2P
 260         wpas_p2p_network_removed(wpa_s, ssid);
 261 #endif /* CONFIG_P2P */
 262 }
 263
 264
 265 void wpas_notify_bss_added(struct wpa_supplicant *wpa_s,
 266                            u8 bssid[], unsigned int id)
 267 {
 268         wpas_dbus_register_bss(wpa_s, bssid, id);
 269         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR,
 270                      id, MAC2STR(bssid));
 271 }
 272
 273
 274 void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s,
 275                              u8 bssid[], unsigned int id)
 276 {
 277         wpas_dbus_unregister_bss(wpa_s, bssid, id);
 278         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR,
 279                      id, MAC2STR(bssid));
 280 }
 281
 282
 283 void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
 284                                   unsigned int id)
 285 {
 286         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
 287 }
 288
 289
 290 void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
 291                                     unsigned int id)
 292 {
 293         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
 294                                           id);
 295 }
 296
 297
 298 void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
 299                                      unsigned int id)
 300 {
 301         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
 302                                           id);
 303 }
 304
 305
 306 void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
 307                                   unsigned int id)
 308 {
 309         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
 310 }
 311
 312
 313 void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
 314                                    unsigned int id)
 315 {
 316         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id);
 317 }
 318
 319
 320 void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
 321                                    unsigned int id)
 322 {
 323         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id);
 324 }
 325
 326
 327 void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
 328                                  unsigned int id)
 329 {
 330 #ifdef CONFIG_WPS
 331         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPS, id);
 332 #endif /* CONFIG_WPS */
 333 }
 334
 335
 336 void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
 337                                    unsigned int id)
 338 {
 339         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
 340 }
 341
 342
 343 void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
 344                                    unsigned int id)
 345 {
 346         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
 347 }
 348
 349
 350 void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
 351 {
 352         wpas_dbus_signal_blob_added(wpa_s, name);
 353 }
 354
 355
 356 void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
 357 {
 358         wpas_dbus_signal_blob_removed(wpa_s, name);
 359 }
 360
 361
 362 void wpas_notify_debug_level_changed(struct wpa_global *global)
 363 {
 364         wpas_dbus_signal_debug_level_changed(global);
 365 }
 366
 367
 368 void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
 369 {
 370         wpas_dbus_signal_debug_timestamp_changed(global);
 371 }
 372
 373
 374 void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
 375 {
 376         wpas_dbus_signal_debug_show_keys_changed(global);
 377 }
 378
 379
 380 void wpas_notify_suspend(struct wpa_global *global)
 381 {
 382         struct wpa_supplicant *wpa_s;
 383
 384         os_get_time(&global->suspend_time);
 385         wpa_printf(MSG_DEBUG, "System suspend notification");
 386         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
 387                 wpa_drv_suspend(wpa_s);
 388 }
 389
 390
 391 void wpas_notify_resume(struct wpa_global *global)
 392 {
 393         struct os_time now;
 394         int slept;
 395         struct wpa_supplicant *wpa_s;
 396
 397         if (global->suspend_time.sec == 0)
 398                 slept = -1;
 399         else {
 400                 os_get_time(&now);
 401                 slept = now.sec - global->suspend_time.sec;
 402         }
 403         wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
 404                    slept);
 405
 406         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
 407                 wpa_drv_resume(wpa_s);
 408                 if (wpa_s->wpa_state == WPA_DISCONNECTED)
 409                         wpa_supplicant_req_scan(wpa_s, 0, 100000);
 410         }
 411 }
 412
 413
 414 #ifdef CONFIG_P2P
 415
 416 void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
 417                                   const u8 *dev_addr, int new_device)
 418 {
 419         if (new_device) {
 420                 /* Create the new peer object */
 421                 wpas_dbus_register_peer(wpa_s, dev_addr);
 422         }
 423
 424         /* Notify a new peer has been detected*/
 425         wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
 426 }
 427
 428
 429 void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
 430                                  const u8 *dev_addr)
 431 {
 432         wpas_dbus_unregister_peer(wpa_s, dev_addr);
 433
 434         /* Create signal on interface object*/
 435         wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
 436 }
 437
 438
 439 void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
 440                                    const struct wpa_ssid *ssid,
 441                                    const char *role)
 442 {
 443         wpas_dbus_unregister_p2p_group(wpa_s, ssid);
 444
 445         wpas_dbus_signal_p2p_group_removed(wpa_s, role);
 446 }
 447
 448
 449 void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
 450                                 const u8 *src, u16 dev_passwd_id)
 451 {
 452         wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
 453 }
 454
 455
 456 void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s,
 457                                       struct p2p_go_neg_results *res)
 458 {
 459         wpas_dbus_signal_p2p_go_neg_resp(wpa_s, res);
 460 }
 461
 462
 463 void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
 464                                        int status, const u8 *bssid)
 465 {
 466         wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
 467 }
 468
 469
 470 void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
 471                                 int freq, const u8 *sa, u8 dialog_token,
 472                                 u16 update_indic, const u8 *tlvs,
 473                                 size_t tlvs_len)
 474 {
 475         wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
 476                                         update_indic, tlvs, tlvs_len);
 477 }
 478
 479
 480 void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
 481                                  const u8 *sa, u16 update_indic,
 482                                  const u8 *tlvs, size_t tlvs_len)
 483 {
 484         wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
 485                                          tlvs, tlvs_len);
 486 }
 487
 488
 489 /**
 490  * wpas_notify_p2p_provision_discovery - Notification of provision discovery
 491  * @dev_addr: Who sent the request or responded to our request.
 492  * @request: Will be 1 if request, 0 for response.
 493  * @status: Valid only in case of response (0 in case of success)
 494  * @config_methods: WPS config methods
 495  * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
 496  *
 497  * This can be used to notify:
 498  * - Requests or responses
 499  * - Various config methods
 500  * - Failure condition in case of response
 501  */
 502 void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
 503                                          const u8 *dev_addr, int request,
 504                                          enum p2p_prov_disc_status status,
 505                                          u16 config_methods,
 506                                          unsigned int generated_pin)
 507 {
 508         wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
 509                                                  status, config_methods,
 510                                                  generated_pin);
 511 }
 512
 513
 514 void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
 515                                    struct wpa_ssid *ssid, int network_id,
 516                                    int client)
 517 {
 518         /* Notify a group has been started */
 519         wpas_dbus_register_p2p_group(wpa_s, ssid);
 520
 521         wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
 522 }
 523
 524
 525 void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
 526                                 struct wps_event_fail *fail)
 527 {
 528         wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
 529 }
 530
 531 #endif /* CONFIG_P2P */
 532
 533
 534 static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
 535                                           const u8 *sta,
 536                                           const u8 *p2p_dev_addr)
 537 {
 538 #ifdef CONFIG_P2P
 539         wpas_p2p_notify_ap_sta_authorized(wpa_s, p2p_dev_addr);
 540
 541         /*
 542          * Register a group member object corresponding to this peer and
 543          * emit a PeerJoined signal. This will check if it really is a
 544          * P2P group.
 545          */
 546         wpas_dbus_register_p2p_groupmember(wpa_s, sta);
 547
 548         /*
 549          * Create 'peer-joined' signal on group object -- will also
 550          * check P2P itself.
 551          */
 552         wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
 553 #endif /* CONFIG_P2P */
 554 }
 555
 556
 557 static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
 558                                             const u8 *sta)
 559 {
 560 #ifdef CONFIG_P2P
 561         /*
 562          * Unregister a group member object corresponding to this peer
 563          * if this is a P2P group.
 564          */
 565         wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
 566
 567         /*
 568          * Create 'peer-disconnected' signal on group object if this
 569          * is a P2P group.
 570          */
 571         wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
 572 #endif /* CONFIG_P2P */
 573 }
 574
 575
 576 void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
 577                                 const u8 *mac_addr, int authorized,
 578                                 const u8 *p2p_dev_addr)
 579 {
 580         if (authorized)
 581                 wpas_notify_ap_sta_authorized(wpa_s, mac_addr, p2p_dev_addr);
 582         else
 583                 wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
 584 }
 585
 586
 587 void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth,
 588                                const char *subject, const char *cert_hash,
 589                                const struct wpabuf *cert)
 590 {
 591         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
 592                 "depth=%d subject='%s'%s%s",
 593                 depth, subject,
 594                 cert_hash ? " hash=" : "",
 595                 cert_hash ? cert_hash : "");
 596
 597         if (cert) {
 598                 char *cert_hex;
 599                 size_t len = wpabuf_len(cert) * 2 + 1;
 600                 cert_hex = os_malloc(len);
 601                 if (cert_hex) {
 602                         wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
 603                                          wpabuf_len(cert));
 604                         wpa_msg_ctrl(wpa_s, MSG_INFO,
 605                                      WPA_EVENT_EAP_PEER_CERT
 606                                      "depth=%d subject='%s' cert=%s",
 607                                      depth, subject, cert_hex);
 608                         os_free(cert_hex);
 609                 }
 610         }
 611
 612         /* notify the old DBus API */
 613         wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject,
 614                                                  cert_hash, cert);
 615         /* notify the new DBus API */
 616         wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert);
 617 }
 618
 619
 620 void wpas_notify_preq(struct wpa_supplicant *wpa_s,
 621                       const u8 *addr, const u8 *dst, const u8 *bssid,
 622                       const u8 *ie, size_t ie_len, u32 ssi_signal)
 623 {
 624 #ifdef CONFIG_AP
 625         wpas_dbus_signal_preq(wpa_s, addr, dst, bssid, ie, ie_len, ssi_signal);
 626 #endif /* CONFIG_AP */
 627 }
 628
 629
 630 void wpas_notify_eap_status(struct wpa_supplicant *wpa_s, const char *status,
 631                             const char *parameter)
 632 {
 633         wpas_dbus_signal_eap_status(wpa_s, status, parameter);
 634 }