notify.c revision f21452aea786ac056eb01f1cbba4f553bd502747
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#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 104void 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 110void 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 116void 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 122void 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 128void 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 134void 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 141void 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 148void 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 157void 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 167void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success) 168{ 169 wpas_dbus_signal_scan_done(wpa_s, success); 170} 171 172 173void 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 182void 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 194void 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 203void 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 212void 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 220void 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 234void 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 243void 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 252void wpas_notify_network_removed(struct wpa_supplicant *wpa_s, 253 struct wpa_ssid *ssid) 254{ 255 if (wpa_s->next_ssid == ssid) 256 wpa_s->next_ssid = NULL; 257 if (wpa_s->wpa) 258 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid); 259 if (!ssid->p2p_group && wpa_s->global->p2p_group_formation != wpa_s) 260 wpas_dbus_unregister_network(wpa_s, ssid->id); 261#ifdef CONFIG_P2P 262 wpas_p2p_network_removed(wpa_s, ssid); 263#endif /* CONFIG_P2P */ 264} 265 266 267void wpas_notify_bss_added(struct wpa_supplicant *wpa_s, 268 u8 bssid[], unsigned int id) 269{ 270 wpas_dbus_register_bss(wpa_s, bssid, id); 271 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR, 272 id, MAC2STR(bssid)); 273} 274 275 276void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s, 277 u8 bssid[], unsigned int id) 278{ 279 wpas_dbus_unregister_bss(wpa_s, bssid, id); 280 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR, 281 id, MAC2STR(bssid)); 282} 283 284 285void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s, 286 unsigned int id) 287{ 288 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id); 289} 290 291 292void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s, 293 unsigned int id) 294{ 295 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL, 296 id); 297} 298 299 300void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s, 301 unsigned int id) 302{ 303 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY, 304 id); 305} 306 307 308void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s, 309 unsigned int id) 310{ 311 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id); 312} 313 314 315void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s, 316 unsigned int id) 317{ 318 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id); 319} 320 321 322void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s, 323 unsigned int id) 324{ 325 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id); 326} 327 328 329void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s, 330 unsigned int id) 331{ 332#ifdef CONFIG_WPS 333 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPS, id); 334#endif /* CONFIG_WPS */ 335} 336 337 338void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s, 339 unsigned int id) 340{ 341 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id); 342} 343 344 345void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s, 346 unsigned int id) 347{ 348 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id); 349} 350 351 352void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name) 353{ 354 wpas_dbus_signal_blob_added(wpa_s, name); 355} 356 357 358void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name) 359{ 360 wpas_dbus_signal_blob_removed(wpa_s, name); 361} 362 363 364void wpas_notify_debug_level_changed(struct wpa_global *global) 365{ 366 wpas_dbus_signal_debug_level_changed(global); 367} 368 369 370void wpas_notify_debug_timestamp_changed(struct wpa_global *global) 371{ 372 wpas_dbus_signal_debug_timestamp_changed(global); 373} 374 375 376void wpas_notify_debug_show_keys_changed(struct wpa_global *global) 377{ 378 wpas_dbus_signal_debug_show_keys_changed(global); 379} 380 381 382void wpas_notify_suspend(struct wpa_global *global) 383{ 384 struct wpa_supplicant *wpa_s; 385 386 os_get_time(&global->suspend_time); 387 wpa_printf(MSG_DEBUG, "System suspend notification"); 388 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) 389 wpa_drv_suspend(wpa_s); 390} 391 392 393void wpas_notify_resume(struct wpa_global *global) 394{ 395 struct os_time now; 396 int slept; 397 struct wpa_supplicant *wpa_s; 398 399 if (global->suspend_time.sec == 0) 400 slept = -1; 401 else { 402 os_get_time(&now); 403 slept = now.sec - global->suspend_time.sec; 404 } 405 wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)", 406 slept); 407 408 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { 409 wpa_drv_resume(wpa_s); 410 if (wpa_s->wpa_state == WPA_DISCONNECTED) 411 wpa_supplicant_req_scan(wpa_s, 0, 100000); 412 } 413} 414 415 416#ifdef CONFIG_P2P 417 418void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s, 419 const u8 *dev_addr, int new_device) 420{ 421 if (new_device) { 422 /* Create the new peer object */ 423 wpas_dbus_register_peer(wpa_s, dev_addr); 424 } 425 426 /* Notify a new peer has been detected*/ 427 wpas_dbus_signal_peer_device_found(wpa_s, dev_addr); 428} 429 430 431void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s, 432 const u8 *dev_addr) 433{ 434 wpas_dbus_unregister_peer(wpa_s, dev_addr); 435 436 /* Create signal on interface object*/ 437 wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr); 438} 439 440 441void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s, 442 const struct wpa_ssid *ssid, 443 const char *role) 444{ 445 wpas_dbus_unregister_p2p_group(wpa_s, ssid); 446 447 wpas_dbus_signal_p2p_group_removed(wpa_s, role); 448} 449 450 451void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s, 452 const u8 *src, u16 dev_passwd_id) 453{ 454 wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id); 455} 456 457 458void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s, 459 struct p2p_go_neg_results *res) 460{ 461 wpas_dbus_signal_p2p_go_neg_resp(wpa_s, res); 462} 463 464 465void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s, 466 int status, const u8 *bssid) 467{ 468 wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid); 469} 470 471 472void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s, 473 int freq, const u8 *sa, u8 dialog_token, 474 u16 update_indic, const u8 *tlvs, 475 size_t tlvs_len) 476{ 477 wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token, 478 update_indic, tlvs, tlvs_len); 479} 480 481 482void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s, 483 const u8 *sa, u16 update_indic, 484 const u8 *tlvs, size_t tlvs_len) 485{ 486 wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic, 487 tlvs, tlvs_len); 488} 489 490 491/** 492 * wpas_notify_p2p_provision_discovery - Notification of provision discovery 493 * @dev_addr: Who sent the request or responded to our request. 494 * @request: Will be 1 if request, 0 for response. 495 * @status: Valid only in case of response (0 in case of success) 496 * @config_methods: WPS config methods 497 * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method 498 * 499 * This can be used to notify: 500 * - Requests or responses 501 * - Various config methods 502 * - Failure condition in case of response 503 */ 504void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s, 505 const u8 *dev_addr, int request, 506 enum p2p_prov_disc_status status, 507 u16 config_methods, 508 unsigned int generated_pin) 509{ 510 wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request, 511 status, config_methods, 512 generated_pin); 513} 514 515 516void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s, 517 struct wpa_ssid *ssid, int network_id, 518 int client) 519{ 520 /* Notify a group has been started */ 521 wpas_dbus_register_p2p_group(wpa_s, ssid); 522 523 wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id); 524} 525 526 527void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s, 528 struct wps_event_fail *fail) 529{ 530 wpas_dbus_signal_p2p_wps_failed(wpa_s, fail); 531} 532 533#endif /* CONFIG_P2P */ 534 535 536static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s, 537 const u8 *sta, 538 const u8 *p2p_dev_addr) 539{ 540#ifdef CONFIG_P2P 541 wpas_p2p_notify_ap_sta_authorized(wpa_s, p2p_dev_addr); 542 543 /* 544 * Register a group member object corresponding to this peer and 545 * emit a PeerJoined signal. This will check if it really is a 546 * P2P group. 547 */ 548 wpas_dbus_register_p2p_groupmember(wpa_s, sta); 549 550 /* 551 * Create 'peer-joined' signal on group object -- will also 552 * check P2P itself. 553 */ 554 wpas_dbus_signal_p2p_peer_joined(wpa_s, sta); 555#endif /* CONFIG_P2P */ 556 557 /* Notify listeners a new station has been authorized */ 558 wpas_dbus_signal_sta_authorized(wpa_s, sta); 559} 560 561 562static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s, 563 const u8 *sta) 564{ 565#ifdef CONFIG_P2P 566 /* 567 * Unregister a group member object corresponding to this peer 568 * if this is a P2P group. 569 */ 570 wpas_dbus_unregister_p2p_groupmember(wpa_s, sta); 571 572 /* 573 * Create 'peer-disconnected' signal on group object if this 574 * is a P2P group. 575 */ 576 wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta); 577#endif /* CONFIG_P2P */ 578 579 /* Notify listeners a station has been deauthorized */ 580 wpas_dbus_signal_sta_deauthorized(wpa_s, sta); 581} 582 583 584void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s, 585 const u8 *mac_addr, int authorized, 586 const u8 *p2p_dev_addr) 587{ 588 if (authorized) 589 wpas_notify_ap_sta_authorized(wpa_s, mac_addr, p2p_dev_addr); 590 else 591 wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr); 592} 593 594 595void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth, 596 const char *subject, const char *cert_hash, 597 const struct wpabuf *cert) 598{ 599 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT 600 "depth=%d subject='%s'%s%s", 601 depth, subject, 602 cert_hash ? " hash=" : "", 603 cert_hash ? cert_hash : ""); 604 605 if (cert) { 606 char *cert_hex; 607 size_t len = wpabuf_len(cert) * 2 + 1; 608 cert_hex = os_malloc(len); 609 if (cert_hex) { 610 wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert), 611 wpabuf_len(cert)); 612 wpa_msg_ctrl(wpa_s, MSG_INFO, 613 WPA_EVENT_EAP_PEER_CERT 614 "depth=%d subject='%s' cert=%s", 615 depth, subject, cert_hex); 616 os_free(cert_hex); 617 } 618 } 619 620 /* notify the old DBus API */ 621 wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject, 622 cert_hash, cert); 623 /* notify the new DBus API */ 624 wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert); 625} 626 627 628void wpas_notify_preq(struct wpa_supplicant *wpa_s, 629 const u8 *addr, const u8 *dst, const u8 *bssid, 630 const u8 *ie, size_t ie_len, u32 ssi_signal) 631{ 632#ifdef CONFIG_AP 633 wpas_dbus_signal_preq(wpa_s, addr, dst, bssid, ie, ie_len, ssi_signal); 634#endif /* CONFIG_AP */ 635} 636 637 638void wpas_notify_eap_status(struct wpa_supplicant *wpa_s, const char *status, 639 const char *parameter) 640{ 641 wpas_dbus_signal_eap_status(wpa_s, status, parameter); 642 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_EAP_STATUS 643 "status='%s' parameter='%s'", 644 status, parameter); 645} 646