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