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 (!ssid->p2p_group && 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 (!ssid->p2p_group && 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 #ifdef CONFIG_WPS 331 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPS, id); 332 #endif /* CONFIG_WPS */ 333 } 334 335 336 void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s, 337 unsigned int id) 338 { 339 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id); 340 } 341 342 343 void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s, 344 unsigned int id) 345 { 346 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id); 347 } 348 349 350 void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name) 351 { 352 wpas_dbus_signal_blob_added(wpa_s, name); 353 } 354 355 356 void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name) 357 { 358 wpas_dbus_signal_blob_removed(wpa_s, name); 359 } 360 361 362 void wpas_notify_debug_level_changed(struct wpa_global *global) 363 { 364 wpas_dbus_signal_debug_level_changed(global); 365 } 366 367 368 void wpas_notify_debug_timestamp_changed(struct wpa_global *global) 369 { 370 wpas_dbus_signal_debug_timestamp_changed(global); 371 } 372 373 374 void wpas_notify_debug_show_keys_changed(struct wpa_global *global) 375 { 376 wpas_dbus_signal_debug_show_keys_changed(global); 377 } 378 379 380 void wpas_notify_suspend(struct wpa_global *global) 381 { 382 struct wpa_supplicant *wpa_s; 383 384 os_get_time(&global->suspend_time); 385 wpa_printf(MSG_DEBUG, "System suspend notification"); 386 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) 387 wpa_drv_suspend(wpa_s); 388 } 389 390 391 void wpas_notify_resume(struct wpa_global *global) 392 { 393 struct os_time now; 394 int slept; 395 struct wpa_supplicant *wpa_s; 396 397 if (global->suspend_time.sec == 0) 398 slept = -1; 399 else { 400 os_get_time(&now); 401 slept = now.sec - global->suspend_time.sec; 402 } 403 wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)", 404 slept); 405 406 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { 407 wpa_drv_resume(wpa_s); 408 if (wpa_s->wpa_state == WPA_DISCONNECTED) 409 wpa_supplicant_req_scan(wpa_s, 0, 100000); 410 } 411 } 412 413 414 #ifdef CONFIG_P2P 415 416 void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s, 417 const u8 *dev_addr, int new_device) 418 { 419 if (new_device) { 420 /* Create the new peer object */ 421 wpas_dbus_register_peer(wpa_s, dev_addr); 422 } 423 424 /* Notify a new peer has been detected*/ 425 wpas_dbus_signal_peer_device_found(wpa_s, dev_addr); 426 } 427 428 429 void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s, 430 const u8 *dev_addr) 431 { 432 wpas_dbus_unregister_peer(wpa_s, dev_addr); 433 434 /* Create signal on interface object*/ 435 wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr); 436 } 437 438 439 void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s, 440 const struct wpa_ssid *ssid, 441 const char *role) 442 { 443 wpas_dbus_unregister_p2p_group(wpa_s, ssid); 444 445 wpas_dbus_signal_p2p_group_removed(wpa_s, role); 446 } 447 448 449 void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s, 450 const u8 *src, u16 dev_passwd_id) 451 { 452 wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id); 453 } 454 455 456 void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s, 457 struct p2p_go_neg_results *res) 458 { 459 wpas_dbus_signal_p2p_go_neg_resp(wpa_s, res); 460 } 461 462 463 void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s, 464 int status, const u8 *bssid) 465 { 466 wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid); 467 } 468 469 470 void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s, 471 int freq, const u8 *sa, u8 dialog_token, 472 u16 update_indic, const u8 *tlvs, 473 size_t tlvs_len) 474 { 475 wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token, 476 update_indic, tlvs, tlvs_len); 477 } 478 479 480 void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s, 481 const u8 *sa, u16 update_indic, 482 const u8 *tlvs, size_t tlvs_len) 483 { 484 wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic, 485 tlvs, tlvs_len); 486 } 487 488 489 /** 490 * wpas_notify_p2p_provision_discovery - Notification of provision discovery 491 * @dev_addr: Who sent the request or responded to our request. 492 * @request: Will be 1 if request, 0 for response. 493 * @status: Valid only in case of response (0 in case of success) 494 * @config_methods: WPS config methods 495 * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method 496 * 497 * This can be used to notify: 498 * - Requests or responses 499 * - Various config methods 500 * - Failure condition in case of response 501 */ 502 void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s, 503 const u8 *dev_addr, int request, 504 enum p2p_prov_disc_status status, 505 u16 config_methods, 506 unsigned int generated_pin) 507 { 508 wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request, 509 status, config_methods, 510 generated_pin); 511 } 512 513 514 void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s, 515 struct wpa_ssid *ssid, int network_id, 516 int client) 517 { 518 /* Notify a group has been started */ 519 wpas_dbus_register_p2p_group(wpa_s, ssid); 520 521 wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id); 522 } 523 524 525 void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s, 526 struct wps_event_fail *fail) 527 { 528 wpas_dbus_signal_p2p_wps_failed(wpa_s, fail); 529 } 530 531 #endif /* CONFIG_P2P */ 532 533 534 static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s, 535 const u8 *sta, 536 const u8 *p2p_dev_addr) 537 { 538 #ifdef CONFIG_P2P 539 wpas_p2p_notify_ap_sta_authorized(wpa_s, p2p_dev_addr); 540 541 /* 542 * Register a group member object corresponding to this peer and 543 * emit a PeerJoined signal. This will check if it really is a 544 * P2P group. 545 */ 546 wpas_dbus_register_p2p_groupmember(wpa_s, sta); 547 548 /* 549 * Create 'peer-joined' signal on group object -- will also 550 * check P2P itself. 551 */ 552 wpas_dbus_signal_p2p_peer_joined(wpa_s, sta); 553 #endif /* CONFIG_P2P */ 554 555 /* Notify listeners a new station has been authorized */ 556 wpas_dbus_signal_sta_authorized(wpa_s, sta); 557 } 558 559 560 static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s, 561 const u8 *sta) 562 { 563 #ifdef CONFIG_P2P 564 /* 565 * Unregister a group member object corresponding to this peer 566 * if this is a P2P group. 567 */ 568 wpas_dbus_unregister_p2p_groupmember(wpa_s, sta); 569 570 /* 571 * Create 'peer-disconnected' signal on group object if this 572 * is a P2P group. 573 */ 574 wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta); 575 #endif /* CONFIG_P2P */ 576 577 /* Notify listeners a station has been deauthorized */ 578 wpas_dbus_signal_sta_deauthorized(wpa_s, sta); 579 } 580 581 582 void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s, 583 const u8 *mac_addr, int authorized, 584 const u8 *p2p_dev_addr) 585 { 586 if (authorized) 587 wpas_notify_ap_sta_authorized(wpa_s, mac_addr, p2p_dev_addr); 588 else 589 wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr); 590 } 591 592 593 void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth, 594 const char *subject, const char *cert_hash, 595 const struct wpabuf *cert) 596 { 597 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT 598 "depth=%d subject='%s'%s%s", 599 depth, subject, 600 cert_hash ? " hash=" : "", 601 cert_hash ? cert_hash : ""); 602 603 if (cert) { 604 char *cert_hex; 605 size_t len = wpabuf_len(cert) * 2 + 1; 606 cert_hex = os_malloc(len); 607 if (cert_hex) { 608 wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert), 609 wpabuf_len(cert)); 610 wpa_msg_ctrl(wpa_s, MSG_INFO, 611 WPA_EVENT_EAP_PEER_CERT 612 "depth=%d subject='%s' cert=%s", 613 depth, subject, cert_hex); 614 os_free(cert_hex); 615 } 616 } 617 618 /* notify the old DBus API */ 619 wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject, 620 cert_hash, cert); 621 /* notify the new DBus API */ 622 wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert); 623 } 624 625 626 void wpas_notify_preq(struct wpa_supplicant *wpa_s, 627 const u8 *addr, const u8 *dst, const u8 *bssid, 628 const u8 *ie, size_t ie_len, u32 ssi_signal) 629 { 630 #ifdef CONFIG_AP 631 wpas_dbus_signal_preq(wpa_s, addr, dst, bssid, ie, ie_len, ssi_signal); 632 #endif /* CONFIG_AP */ 633 } 634 635 636 void wpas_notify_eap_status(struct wpa_supplicant *wpa_s, const char *status, 637 const char *parameter) 638 { 639 wpas_dbus_signal_eap_status(wpa_s, status, parameter); 640 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_EAP_STATUS 641 "status='%s' parameter='%s'", 642 status, parameter); 643 } 644