1 /* 2 * wpa_supplicant - Event notifications 3 * Copyright (c) 2009-2010, Jouni Malinen <j (at) 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 } 609