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