contrib/wpa/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 #ifdef CONFIG_WPS
 327         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPS, id);
 328 #endif /* CONFIG_WPS */
 329 }
 330
 331
 332 void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
 333                                    unsigned int id)
 334 {
 335         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
 336 }
 337
 338
 339 void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
 340                                    unsigned int id)
 341 {
 342         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
 343 }
 344
 345
 346 void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
 347 {
 348         wpas_dbus_signal_blob_added(wpa_s, name);
 349 }
 350
 351
 352 void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
 353 {
 354         wpas_dbus_signal_blob_removed(wpa_s, name);
 355 }
 356
 357
 358 void wpas_notify_debug_level_changed(struct wpa_global *global)
 359 {
 360         wpas_dbus_signal_debug_level_changed(global);
 361 }
 362
 363
 364 void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
 365 {
 366         wpas_dbus_signal_debug_timestamp_changed(global);
 367 }
 368
 369
 370 void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
 371 {
 372         wpas_dbus_signal_debug_show_keys_changed(global);
 373 }
 374
 375
 376 void wpas_notify_suspend(struct wpa_global *global)
 377 {
 378         struct wpa_supplicant *wpa_s;
 379
 380         os_get_time(&global->suspend_time);
 381         wpa_printf(MSG_DEBUG, "System suspend notification");
 382         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
 383                 wpa_drv_suspend(wpa_s);
 384 }
 385
 386
 387 void wpas_notify_resume(struct wpa_global *global)
 388 {
 389         struct os_time now;
 390         int slept;
 391         struct wpa_supplicant *wpa_s;
 392
 393         if (global->suspend_time.sec == 0)
 394                 slept = -1;
 395         else {
 396                 os_get_time(&now);
 397                 slept = now.sec - global->suspend_time.sec;
 398         }
 399         wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
 400                    slept);
 401
 402         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
 403                 wpa_drv_resume(wpa_s);
 404                 if (wpa_s->wpa_state == WPA_DISCONNECTED)
 405                         wpa_supplicant_req_scan(wpa_s, 0, 100000);
 406         }
 407 }
 408
 409
 410 #ifdef CONFIG_P2P
 411
 412 void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
 413                                   const u8 *dev_addr, int new_device)
 414 {
 415         if (new_device) {
 416                 /* Create the new peer object */
 417                 wpas_dbus_register_peer(wpa_s, dev_addr);
 418         }
 419
 420         /* Notify a new peer has been detected*/
 421         wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
 422 }
 423
 424
 425 void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
 426                                  const u8 *dev_addr)
 427 {
 428         wpas_dbus_unregister_peer(wpa_s, dev_addr);
 429
 430         /* Create signal on interface object*/
 431         wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
 432 }
 433
 434
 435 void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
 436                                    const struct wpa_ssid *ssid,
 437                                    const char *role)
 438 {
 439         wpas_dbus_unregister_p2p_group(wpa_s, ssid);
 440
 441         wpas_dbus_signal_p2p_group_removed(wpa_s, role);
 442 }
 443
 444
 445 void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
 446                                 const u8 *src, u16 dev_passwd_id)
 447 {
 448         wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
 449 }
 450
 451
 452 void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s,
 453                                       struct p2p_go_neg_results *res)
 454 {
 455         wpas_dbus_signal_p2p_go_neg_resp(wpa_s, res);
 456 }
 457
 458
 459 void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
 460                                        int status, const u8 *bssid)
 461 {
 462         wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
 463 }
 464
 465
 466 void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
 467                                 int freq, const u8 *sa, u8 dialog_token,
 468                                 u16 update_indic, const u8 *tlvs,
 469                                 size_t tlvs_len)
 470 {
 471         wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
 472                                         update_indic, tlvs, tlvs_len);
 473 }
 474
 475
 476 void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
 477                                  const u8 *sa, u16 update_indic,
 478                                  const u8 *tlvs, size_t tlvs_len)
 479 {
 480         wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
 481                                          tlvs, tlvs_len);
 482 }
 483
 484
 485 /**
 486  * wpas_notify_p2p_provision_discovery - Notification of provision discovery
 487  * @dev_addr: Who sent the request or responded to our request.
 488  * @request: Will be 1 if request, 0 for response.
 489  * @status: Valid only in case of response (0 in case of success)
 490  * @config_methods: WPS config methods
 491  * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
 492  *
 493  * This can be used to notify:
 494  * - Requests or responses
 495  * - Various config methods
 496  * - Failure condition in case of response
 497  */
 498 void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
 499                                          const u8 *dev_addr, int request,
 500                                          enum p2p_prov_disc_status status,
 501                                          u16 config_methods,
 502                                          unsigned int generated_pin)
 503 {
 504         wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
 505                                                  status, config_methods,
 506                                                  generated_pin);
 507 }
 508
 509
 510 void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
 511                                    struct wpa_ssid *ssid, int network_id,
 512                                    int client)
 513 {
 514         /* Notify a group has been started */
 515         wpas_dbus_register_p2p_group(wpa_s, ssid);
 516
 517         wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
 518 }
 519
 520
 521 void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
 522                                 struct wps_event_fail *fail)
 523 {
 524         wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
 525 }
 526
 527 #endif /* CONFIG_P2P */
 528
 529
 530 static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
 531                                           const u8 *sta,
 532                                           const u8 *p2p_dev_addr)
 533 {
 534 #ifdef CONFIG_P2P
 535         wpas_p2p_notify_ap_sta_authorized(wpa_s, p2p_dev_addr);
 536
 537         /*
 538          * Register a group member object corresponding to this peer and
 539          * emit a PeerJoined signal. This will check if it really is a
 540          * P2P group.
 541          */
 542         wpas_dbus_register_p2p_groupmember(wpa_s, sta);
 543
 544         /*
 545          * Create 'peer-joined' signal on group object -- will also
 546          * check P2P itself.
 547          */
 548         wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
 549 #endif /* CONFIG_P2P */
 550 }
 551
 552
 553 static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
 554                                             const u8 *sta)
 555 {
 556 #ifdef CONFIG_P2P
 557         /*
 558          * Unregister a group member object corresponding to this peer
 559          * if this is a P2P group.
 560          */
 561         wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
 562
 563         /*
 564          * Create 'peer-disconnected' signal on group object if this
 565          * is a P2P group.
 566          */
 567         wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
 568 #endif /* CONFIG_P2P */
 569 }
 570
 571
 572 void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
 573                                 const u8 *mac_addr, int authorized,
 574                                 const u8 *p2p_dev_addr)
 575 {
 576         if (authorized)
 577                 wpas_notify_ap_sta_authorized(wpa_s, mac_addr, p2p_dev_addr);
 578         else
 579                 wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
 580 }
 581
 582
 583 void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth,
 584                                const char *subject, const char *cert_hash,
 585                                const struct wpabuf *cert)
 586 {
 587         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
 588                 "depth=%d subject='%s'%s%s",
 589                 depth, subject,
 590                 cert_hash ? " hash=" : "",
 591                 cert_hash ? cert_hash : "");
 592
 593         if (cert) {
 594                 char *cert_hex;
 595                 size_t len = wpabuf_len(cert) * 2 + 1;
 596                 cert_hex = os_malloc(len);
 597                 if (cert_hex) {
 598                         wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
 599                                          wpabuf_len(cert));
 600                         wpa_msg_ctrl(wpa_s, MSG_INFO,
 601                                      WPA_EVENT_EAP_PEER_CERT
 602                                      "depth=%d subject='%s' cert=%s",
 603                                      depth, subject, cert_hex);
 604                         os_free(cert_hex);
 605                 }
 606         }
 607
 608         /* notify the old DBus API */
 609         wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject,
 610                                                  cert_hash, cert);
 611         /* notify the new DBus API */
 612         wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert);
 613 }
 614
 615
 616 void wpas_notify_preq(struct wpa_supplicant *wpa_s,
 617                       const u8 *addr, const u8 *dst, const u8 *bssid,
 618                       const u8 *ie, size_t ie_len, u32 ssi_signal)
 619 {
 620 #ifdef CONFIG_AP
 621         wpas_dbus_signal_preq(wpa_s, addr, dst, bssid, ie, ie_len, ssi_signal);
 622 #endif /* CONFIG_AP */
 623 }
 624
 625
 626 void wpas_notify_eap_status(struct wpa_supplicant *wpa_s, const char *status,
 627                             const char *parameter)
 628 {
 629         wpas_dbus_signal_eap_status(wpa_s, status, parameter);
 630 }