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 26int 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 40void 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 49int 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 61void 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 71void 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 if (new_state == WPA_COMPLETED) 83 wpas_p2p_notif_connected(wpa_s); 84 else if (old_state >= WPA_ASSOCIATED && new_state < WPA_ASSOCIATED) 85 wpas_p2p_notif_disconnected(wpa_s); 86 87 sme_state_changed(wpa_s); 88 89#ifdef ANDROID 90 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE 91 "id=%d state=%d BSSID=" MACSTR " SSID=%s", 92 wpa_s->current_ssid ? wpa_s->current_ssid->id : -1, 93 new_state, 94 MAC2STR(wpa_s->bssid), 95 wpa_s->current_ssid && wpa_s->current_ssid->ssid ? 96 wpa_ssid_txt(wpa_s->current_ssid->ssid, 97 wpa_s->current_ssid->ssid_len) : ""); 98#endif /* ANDROID */ 99} 100 101 102void wpas_notify_disconnect_reason(struct wpa_supplicant *wpa_s) 103{ 104 wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_DISCONNECT_REASON); 105} 106 107 108void wpas_notify_network_changed(struct wpa_supplicant *wpa_s) 109{ 110 wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_NETWORK); 111} 112 113 114void wpas_notify_ap_scan_changed(struct wpa_supplicant *wpa_s) 115{ 116 wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_AP_SCAN); 117} 118 119 120void wpas_notify_bssid_changed(struct wpa_supplicant *wpa_s) 121{ 122 wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_BSS); 123} 124 125 126void wpas_notify_auth_changed(struct wpa_supplicant *wpa_s) 127{ 128 wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_AUTH_MODE); 129} 130 131 132void wpas_notify_network_enabled_changed(struct wpa_supplicant *wpa_s, 133 struct wpa_ssid *ssid) 134{ 135 wpas_dbus_signal_network_enabled_changed(wpa_s, ssid); 136} 137 138 139void wpas_notify_network_selected(struct wpa_supplicant *wpa_s, 140 struct wpa_ssid *ssid) 141{ 142 wpas_dbus_signal_network_selected(wpa_s, ssid->id); 143} 144 145 146void wpas_notify_network_request(struct wpa_supplicant *wpa_s, 147 struct wpa_ssid *ssid, 148 enum wpa_ctrl_req_type rtype, 149 const char *default_txt) 150{ 151 wpas_dbus_signal_network_request(wpa_s, ssid, rtype, default_txt); 152} 153 154 155void wpas_notify_scanning(struct wpa_supplicant *wpa_s) 156{ 157 /* notify the old DBus API */ 158 wpa_supplicant_dbus_notify_scanning(wpa_s); 159 160 /* notify the new DBus API */ 161 wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SCANNING); 162} 163 164 165void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success) 166{ 167 wpas_dbus_signal_scan_done(wpa_s, success); 168} 169 170 171void wpas_notify_scan_results(struct wpa_supplicant *wpa_s) 172{ 173 /* notify the old DBus API */ 174 wpa_supplicant_dbus_notify_scan_results(wpa_s); 175 176 wpas_wps_notify_scan_results(wpa_s); 177} 178 179 180void wpas_notify_wps_credential(struct wpa_supplicant *wpa_s, 181 const struct wps_credential *cred) 182{ 183#ifdef CONFIG_WPS 184 /* notify the old DBus API */ 185 wpa_supplicant_dbus_notify_wps_cred(wpa_s, cred); 186 /* notify the new DBus API */ 187 wpas_dbus_signal_wps_cred(wpa_s, cred); 188#endif /* CONFIG_WPS */ 189} 190 191 192void wpas_notify_wps_event_m2d(struct wpa_supplicant *wpa_s, 193 struct wps_event_m2d *m2d) 194{ 195#ifdef CONFIG_WPS 196 wpas_dbus_signal_wps_event_m2d(wpa_s, m2d); 197#endif /* CONFIG_WPS */ 198} 199 200 201void wpas_notify_wps_event_fail(struct wpa_supplicant *wpa_s, 202 struct wps_event_fail *fail) 203{ 204#ifdef CONFIG_WPS 205 wpas_dbus_signal_wps_event_fail(wpa_s, fail); 206#endif /* CONFIG_WPS */ 207} 208 209 210void wpas_notify_wps_event_success(struct wpa_supplicant *wpa_s) 211{ 212#ifdef CONFIG_WPS 213 wpas_dbus_signal_wps_event_success(wpa_s); 214#endif /* CONFIG_WPS */ 215} 216 217 218void wpas_notify_network_added(struct wpa_supplicant *wpa_s, 219 struct wpa_ssid *ssid) 220{ 221 /* 222 * Networks objects created during any P2P activities should not be 223 * exposed out. They might/will confuse certain non-P2P aware 224 * applications since these network objects won't behave like 225 * regular ones. 226 */ 227 if (!ssid->p2p_group && wpa_s->global->p2p_group_formation != wpa_s) 228 wpas_dbus_register_network(wpa_s, ssid); 229} 230 231 232void wpas_notify_persistent_group_added(struct wpa_supplicant *wpa_s, 233 struct wpa_ssid *ssid) 234{ 235#ifdef CONFIG_P2P 236 wpas_dbus_register_persistent_group(wpa_s, ssid); 237#endif /* CONFIG_P2P */ 238} 239 240 241void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s, 242 struct wpa_ssid *ssid) 243{ 244#ifdef CONFIG_P2P 245 wpas_dbus_unregister_persistent_group(wpa_s, ssid->id); 246#endif /* CONFIG_P2P */ 247} 248 249 250void wpas_notify_network_removed(struct wpa_supplicant *wpa_s, 251 struct wpa_ssid *ssid) 252{ 253 if (wpa_s->next_ssid == ssid) 254 wpa_s->next_ssid = NULL; 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 wpas_p2p_network_removed(wpa_s, ssid); 260} 261 262 263void wpas_notify_bss_added(struct wpa_supplicant *wpa_s, 264 u8 bssid[], unsigned int id) 265{ 266 wpas_dbus_register_bss(wpa_s, bssid, id); 267 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR, 268 id, MAC2STR(bssid)); 269} 270 271 272void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s, 273 u8 bssid[], unsigned int id) 274{ 275 wpas_dbus_unregister_bss(wpa_s, bssid, id); 276 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR, 277 id, MAC2STR(bssid)); 278} 279 280 281void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s, 282 unsigned int id) 283{ 284 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id); 285} 286 287 288void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s, 289 unsigned int id) 290{ 291 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL, 292 id); 293} 294 295 296void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s, 297 unsigned int id) 298{ 299 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY, 300 id); 301} 302 303 304void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s, 305 unsigned int id) 306{ 307 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id); 308} 309 310 311void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s, 312 unsigned int id) 313{ 314 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id); 315} 316 317 318void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s, 319 unsigned int id) 320{ 321 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id); 322} 323 324 325void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s, 326 unsigned int id) 327{ 328#ifdef CONFIG_WPS 329 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPS, id); 330#endif /* CONFIG_WPS */ 331} 332 333 334void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s, 335 unsigned int id) 336{ 337 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id); 338} 339 340 341void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s, 342 unsigned int id) 343{ 344 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id); 345} 346 347 348void wpas_notify_bss_seen(struct wpa_supplicant *wpa_s, unsigned int id) 349{ 350 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_AGE, id); 351} 352 353 354void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name) 355{ 356 wpas_dbus_signal_blob_added(wpa_s, name); 357} 358 359 360void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name) 361{ 362 wpas_dbus_signal_blob_removed(wpa_s, name); 363} 364 365 366void wpas_notify_debug_level_changed(struct wpa_global *global) 367{ 368 wpas_dbus_signal_debug_level_changed(global); 369} 370 371 372void wpas_notify_debug_timestamp_changed(struct wpa_global *global) 373{ 374 wpas_dbus_signal_debug_timestamp_changed(global); 375} 376 377 378void wpas_notify_debug_show_keys_changed(struct wpa_global *global) 379{ 380 wpas_dbus_signal_debug_show_keys_changed(global); 381} 382 383 384void wpas_notify_suspend(struct wpa_global *global) 385{ 386 struct wpa_supplicant *wpa_s; 387 388 os_get_time(&global->suspend_time); 389 wpa_printf(MSG_DEBUG, "System suspend notification"); 390 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) 391 wpa_drv_suspend(wpa_s); 392} 393 394 395void wpas_notify_resume(struct wpa_global *global) 396{ 397 struct os_time now; 398 int slept; 399 struct wpa_supplicant *wpa_s; 400 401 if (global->suspend_time.sec == 0) 402 slept = -1; 403 else { 404 os_get_time(&now); 405 slept = now.sec - global->suspend_time.sec; 406 } 407 wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)", 408 slept); 409 410 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { 411 wpa_drv_resume(wpa_s); 412 if (wpa_s->wpa_state == WPA_DISCONNECTED) 413 wpa_supplicant_req_scan(wpa_s, 0, 100000); 414 } 415} 416 417 418#ifdef CONFIG_P2P 419 420void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s, 421 const u8 *dev_addr, int new_device) 422{ 423 if (new_device) { 424 /* Create the new peer object */ 425 wpas_dbus_register_peer(wpa_s, dev_addr); 426 } 427 428 /* Notify a new peer has been detected*/ 429 wpas_dbus_signal_peer_device_found(wpa_s, dev_addr); 430} 431 432 433void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s, 434 const u8 *dev_addr) 435{ 436 wpas_dbus_unregister_peer(wpa_s, dev_addr); 437 438 /* Create signal on interface object*/ 439 wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr); 440} 441 442 443void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s, 444 const struct wpa_ssid *ssid, 445 const char *role) 446{ 447 wpas_dbus_signal_p2p_group_removed(wpa_s, role); 448 449 wpas_dbus_unregister_p2p_group(wpa_s, ssid); 450} 451 452 453void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s, 454 const u8 *src, u16 dev_passwd_id) 455{ 456 wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id); 457} 458 459 460void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s, 461 struct p2p_go_neg_results *res) 462{ 463 wpas_dbus_signal_p2p_go_neg_resp(wpa_s, res); 464} 465 466 467void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s, 468 int status, const u8 *bssid) 469{ 470 wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid); 471} 472 473 474void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s, 475 int freq, const u8 *sa, u8 dialog_token, 476 u16 update_indic, const u8 *tlvs, 477 size_t tlvs_len) 478{ 479 wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token, 480 update_indic, tlvs, tlvs_len); 481} 482 483 484void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s, 485 const u8 *sa, u16 update_indic, 486 const u8 *tlvs, size_t tlvs_len) 487{ 488 wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic, 489 tlvs, tlvs_len); 490} 491 492 493/** 494 * wpas_notify_p2p_provision_discovery - Notification of provision discovery 495 * @dev_addr: Who sent the request or responded to our request. 496 * @request: Will be 1 if request, 0 for response. 497 * @status: Valid only in case of response (0 in case of success) 498 * @config_methods: WPS config methods 499 * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method 500 * 501 * This can be used to notify: 502 * - Requests or responses 503 * - Various config methods 504 * - Failure condition in case of response 505 */ 506void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s, 507 const u8 *dev_addr, int request, 508 enum p2p_prov_disc_status status, 509 u16 config_methods, 510 unsigned int generated_pin) 511{ 512 wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request, 513 status, config_methods, 514 generated_pin); 515} 516 517 518void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s, 519 struct wpa_ssid *ssid, int network_id, 520 int client) 521{ 522 /* Notify a group has been started */ 523 wpas_dbus_register_p2p_group(wpa_s, ssid); 524 525 wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id); 526} 527 528 529void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s, 530 struct wps_event_fail *fail) 531{ 532 wpas_dbus_signal_p2p_wps_failed(wpa_s, fail); 533} 534 535#endif /* CONFIG_P2P */ 536 537 538static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s, 539 const u8 *sta, 540 const u8 *p2p_dev_addr) 541{ 542#ifdef CONFIG_P2P 543 wpas_p2p_notify_ap_sta_authorized(wpa_s, p2p_dev_addr); 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, p2p_dev_addr); 550#endif /* CONFIG_P2P */ 551 552 /* Notify listeners a new station has been authorized */ 553 wpas_dbus_signal_sta_authorized(wpa_s, sta); 554} 555 556 557static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s, 558 const u8 *sta, 559 const u8 *p2p_dev_addr) 560{ 561#ifdef CONFIG_P2P 562 /* 563 * Create 'peer-disconnected' signal on group object if this 564 * is a P2P group. 565 */ 566 wpas_dbus_signal_p2p_peer_disconnected(wpa_s, p2p_dev_addr); 567#endif /* CONFIG_P2P */ 568 569 /* Notify listeners a station has been deauthorized */ 570 wpas_dbus_signal_sta_deauthorized(wpa_s, sta); 571} 572 573 574void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s, 575 const u8 *mac_addr, int authorized, 576 const u8 *p2p_dev_addr) 577{ 578 if (authorized) 579 wpas_notify_ap_sta_authorized(wpa_s, mac_addr, p2p_dev_addr); 580 else 581 wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr, p2p_dev_addr); 582} 583 584 585void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth, 586 const char *subject, const char *cert_hash, 587 const struct wpabuf *cert) 588{ 589 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT 590 "depth=%d subject='%s'%s%s", 591 depth, subject, 592 cert_hash ? " hash=" : "", 593 cert_hash ? cert_hash : ""); 594 595 if (cert) { 596 char *cert_hex; 597 size_t len = wpabuf_len(cert) * 2 + 1; 598 cert_hex = os_malloc(len); 599 if (cert_hex) { 600 wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert), 601 wpabuf_len(cert)); 602 wpa_msg_ctrl(wpa_s, MSG_INFO, 603 WPA_EVENT_EAP_PEER_CERT 604 "depth=%d subject='%s' cert=%s", 605 depth, subject, cert_hex); 606 os_free(cert_hex); 607 } 608 } 609 610 /* notify the old DBus API */ 611 wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject, 612 cert_hash, cert); 613 /* notify the new DBus API */ 614 wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert); 615} 616 617 618void wpas_notify_preq(struct wpa_supplicant *wpa_s, 619 const u8 *addr, const u8 *dst, const u8 *bssid, 620 const u8 *ie, size_t ie_len, u32 ssi_signal) 621{ 622#ifdef CONFIG_AP 623 wpas_dbus_signal_preq(wpa_s, addr, dst, bssid, ie, ie_len, ssi_signal); 624#endif /* CONFIG_AP */ 625} 626 627 628void wpas_notify_eap_status(struct wpa_supplicant *wpa_s, const char *status, 629 const char *parameter) 630{ 631 wpas_dbus_signal_eap_status(wpa_s, status, parameter); 632 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_EAP_STATUS 633 "status='%s' parameter='%s'", 634 status, parameter); 635} 636 637 638void wpas_notify_network_bssid_set_changed(struct wpa_supplicant *wpa_s, 639 struct wpa_ssid *ssid) 640{ 641 if (wpa_s->current_ssid != ssid) 642 return; 643 644 wpa_dbg(wpa_s, MSG_DEBUG, 645 "Network bssid config changed for the current network - within-ESS roaming %s", 646 ssid->bssid_set ? "disabled" : "enabled"); 647 648 wpa_drv_roaming(wpa_s, !ssid->bssid_set, 649 ssid->bssid_set ? ssid->bssid : NULL); 650} 651