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