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