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 }
 331
 332
 333 void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
 334                                    unsigned int id)
 335 {
 336         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
 337 }
 338
 339
 340 void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
 341                                    unsigned int id)
 342 {
 343         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
 344 }
 345
 346
 347 void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
 348 {
 349         wpas_dbus_signal_blob_added(wpa_s, name);
 350 }
 351
 352
 353 void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
 354 {
 355         wpas_dbus_signal_blob_removed(wpa_s, name);
 356 }
 357
 358
 359 void wpas_notify_debug_level_changed(struct wpa_global *global)
 360 {
 361         wpas_dbus_signal_debug_level_changed(global);
 362 }
 363
 364
 365 void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
 366 {
 367         wpas_dbus_signal_debug_timestamp_changed(global);
 368 }
 369
 370
 371 void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
 372 {
 373         wpas_dbus_signal_debug_show_keys_changed(global);
 374 }
 375
 376
 377 void wpas_notify_suspend(struct wpa_global *global)
 378 {
 379         struct wpa_supplicant *wpa_s;
 380
 381         os_get_time(&global->suspend_time);
 382         wpa_printf(MSG_DEBUG, "System suspend notification");
 383         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
 384                 wpa_drv_suspend(wpa_s);
 385 }
 386
 387
 388 void wpas_notify_resume(struct wpa_global *global)
 389 {
 390         struct os_time now;
 391         int slept;
 392         struct wpa_supplicant *wpa_s;
 393
 394         if (global->suspend_time.sec == 0)
 395                 slept = -1;
 396         else {
 397                 os_get_time(&now);
 398                 slept = now.sec - global->suspend_time.sec;
 399         }
 400         wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
 401                    slept);
 402
 403         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
 404                 wpa_drv_resume(wpa_s);
 405                 if (wpa_s->wpa_state == WPA_DISCONNECTED)
 406                         wpa_supplicant_req_scan(wpa_s, 0, 100000);
 407         }
 408 }
 409
 410
 411 #ifdef CONFIG_P2P
 412
 413 void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
 414                                   const u8 *dev_addr, int new_device)
 415 {
 416         if (new_device) {
 417                 /* Create the new peer object */
 418                 wpas_dbus_register_peer(wpa_s, dev_addr);
 419         }
 420
 421         /* Notify a new peer has been detected*/
 422         wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
 423 }
 424
 425
 426 void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
 427                                  const u8 *dev_addr)
 428 {
 429         wpas_dbus_unregister_peer(wpa_s, dev_addr);
 430
 431         /* Create signal on interface object*/
 432         wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
 433 }
 434
 435
 436 void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
 437                                    const struct wpa_ssid *ssid,
 438                                    const char *role)
 439 {
 440         wpas_dbus_unregister_p2p_group(wpa_s, ssid);
 441
 442         wpas_dbus_signal_p2p_group_removed(wpa_s, role);
 443 }
 444
 445
 446 void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
 447                                 const u8 *src, u16 dev_passwd_id)
 448 {
 449         wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
 450 }
 451
 452
 453 void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s,
 454                                       struct p2p_go_neg_results *res)
 455 {
 456         wpas_dbus_signal_p2p_go_neg_resp(wpa_s, res);
 457 }
 458
 459
 460 void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
 461                                        int status, const u8 *bssid)
 462 {
 463         wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
 464 }
 465
 466
 467 void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
 468                                 int freq, const u8 *sa, u8 dialog_token,
 469                                 u16 update_indic, const u8 *tlvs,
 470                                 size_t tlvs_len)
 471 {
 472         wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
 473                                         update_indic, tlvs, tlvs_len);
 474 }
 475
 476
 477 void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
 478                                  const u8 *sa, u16 update_indic,
 479                                  const u8 *tlvs, size_t tlvs_len)
 480 {
 481         wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
 482                                          tlvs, tlvs_len);
 483 }
 484
 485
 486 /**
 487  * wpas_notify_p2p_provision_discovery - Notification of provision discovery
 488  * @dev_addr: Who sent the request or responded to our request.
 489  * @request: Will be 1 if request, 0 for response.
 490  * @status: Valid only in case of response (0 in case of success)
 491  * @config_methods: WPS config methods
 492  * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
 493  *
 494  * This can be used to notify:
 495  * - Requests or responses
 496  * - Various config methods
 497  * - Failure condition in case of response
 498  */
 499 void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
 500                                          const u8 *dev_addr, int request,
 501                                          enum p2p_prov_disc_status status,
 502                                          u16 config_methods,
 503                                          unsigned int generated_pin)
 504 {
 505         wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
 506                                                  status, config_methods,
 507                                                  generated_pin);
 508 }
 509
 510
 511 void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
 512                                    struct wpa_ssid *ssid, int network_id,
 513                                    int client)
 514 {
 515         /* Notify a group has been started */
 516         wpas_dbus_register_p2p_group(wpa_s, ssid);
 517
 518         wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
 519 }
 520
 521
 522 void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
 523                                 struct wps_event_fail *fail)
 524 {
 525         wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
 526 }
 527
 528 #endif /* CONFIG_P2P */
 529
 530
 531 static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
 532                                           const u8 *sta,
 533                                           const u8 *p2p_dev_addr)
 534 {
 535 #ifdef CONFIG_P2P
 536         wpas_p2p_notify_ap_sta_authorized(wpa_s, p2p_dev_addr);
 537
 538         /*
 539          * Register a group member object corresponding to this peer and
 540          * emit a PeerJoined signal. This will check if it really is a
 541          * P2P group.
 542          */
 543         wpas_dbus_register_p2p_groupmember(wpa_s, sta);
 544
 545         /*
 546          * Create 'peer-joined' signal on group object -- will also
 547          * check P2P itself.
 548          */
 549         wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
 550 #endif /* CONFIG_P2P */
 551 }
 552
 553
 554 static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
 555                                             const u8 *sta)
 556 {
 557 #ifdef CONFIG_P2P
 558         /*
 559          * Unregister a group member object corresponding to this peer
 560          * if this is a P2P group.
 561          */
 562         wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
 563
 564         /*
 565          * Create 'peer-disconnected' signal on group object if this
 566          * is a P2P group.
 567          */
 568         wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
 569 #endif /* CONFIG_P2P */
 570 }
 571
 572
 573 void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
 574                                 const u8 *mac_addr, int authorized,
 575                                 const u8 *p2p_dev_addr)
 576 {
 577         if (authorized)
 578                 wpas_notify_ap_sta_authorized(wpa_s, mac_addr, p2p_dev_addr);
 579         else
 580                 wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
 581 }
 582
 583
 584 void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth,
 585                                const char *subject, const char *cert_hash,
 586                                const struct wpabuf *cert)
 587 {
 588         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
 589                 "depth=%d subject='%s'%s%s",
 590                 depth, subject,
 591                 cert_hash ? " hash=" : "",
 592                 cert_hash ? cert_hash : "");
 593
 594         if (cert) {
 595                 char *cert_hex;
 596                 size_t len = wpabuf_len(cert) * 2 + 1;
 597                 cert_hex = os_malloc(len);
 598                 if (cert_hex) {
 599                         wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
 600                                          wpabuf_len(cert));
 601                         wpa_msg_ctrl(wpa_s, MSG_INFO,
 602                                      WPA_EVENT_EAP_PEER_CERT
 603                                      "depth=%d subject='%s' cert=%s",
 604                                      depth, subject, cert_hex);
 605                         os_free(cert_hex);
 606                 }
 607         }
 608
 609         /* notify the old DBus API */
 610         wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject,
 611                                                  cert_hash, cert);
 612         /* notify the new DBus API */
 613         wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert);
 614 }
 615
 616
 617 void wpas_notify_preq(struct wpa_supplicant *wpa_s,
 618                       const u8 *addr, const u8 *dst, const u8 *bssid,
 619                       const u8 *ie, size_t ie_len, u32 ssi_signal)
 620 {
 621 #ifdef CONFIG_AP
 622         wpas_dbus_signal_preq(wpa_s, addr, dst, bssid, ie, ie_len, ssi_signal);
 623 #endif /* CONFIG_AP */
 624 }
 625
 626
 627 void wpas_notify_eap_status(struct wpa_supplicant *wpa_s, const char *status,
 628                             const char *parameter)
 629 {
 630         wpas_dbus_signal_eap_status(wpa_s, status, parameter);
 631 }