1 /* 2 * wpa_supplicant - Event notifications 3 * Copyright (c) 2009-2010, Jouni Malinen <j (at) w1.fi> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15 #include "utils/includes.h" 16 17 #include "utils/common.h" 18 #include "common/wpa_ctrl.h" 19 #include "config.h" 20 #include "wpa_supplicant_i.h" 21 #include "wps_supplicant.h" 22 #include "dbus/dbus_common.h" 23 #include "dbus/dbus_old.h" 24 #include "dbus/dbus_new.h" 25 #include "driver_i.h" 26 #include "scan.h" 27 #include "p2p_supplicant.h" 28 #include "sme.h" 29 #include "notify.h" 30 31 int wpas_notify_supplicant_initialized(struct wpa_global *global) 32 { 33 #ifdef CONFIG_DBUS 34 if (global->params.dbus_ctrl_interface) { 35 global->dbus = wpas_dbus_init(global); 36 if (global->dbus == NULL) 37 return -1; 38 } 39 #endif /* CONFIG_DBUS */ 40 41 return 0; 42 } 43 44 45 void wpas_notify_supplicant_deinitialized(struct wpa_global *global) 46 { 47 #ifdef CONFIG_DBUS 48 if (global->dbus) 49 wpas_dbus_deinit(global->dbus); 50 #endif /* CONFIG_DBUS */ 51 } 52 53 54 int wpas_notify_iface_added(struct wpa_supplicant *wpa_s) 55 { 56 if (wpas_dbus_register_iface(wpa_s)) 57 return -1; 58 59 if (wpas_dbus_register_interface(wpa_s)) 60 return -1; 61 62 return 0; 63 } 64 65 66 void wpas_notify_iface_removed(struct wpa_supplicant *wpa_s) 67 { 68 /* unregister interface in old DBus ctrl iface */ 69 wpas_dbus_unregister_iface(wpa_s); 70 71 /* unregister interface in new DBus ctrl iface */ 72 wpas_dbus_unregister_interface(wpa_s); 73 } 74 75 76 void wpas_notify_state_changed(struct wpa_supplicant *wpa_s, 77 enum wpa_states new_state, 78 enum wpa_states old_state) 79 { 80 /* notify the old DBus API */ 81 wpa_supplicant_dbus_notify_state_change(wpa_s, new_state, 82 old_state); 83 84 /* notify the new DBus API */ 85 wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_STATE); 86 87 #ifdef CONFIG_P2P 88 if (new_state == WPA_COMPLETED) 89 wpas_p2p_notif_connected(wpa_s); 90 else if (new_state < WPA_ASSOCIATED) 91 wpas_p2p_notif_disconnected(wpa_s); 92 #endif /* CONFIG_P2P */ 93 94 sme_state_changed(wpa_s); 95 96 #ifdef ANDROID 97 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE 98 "id=%d state=%d BSSID=" MACSTR, 99 wpa_s->current_ssid ? wpa_s->current_ssid->id : -1, 100 new_state, MAC2STR(wpa_s->pending_bssid)); 101 #endif /* ANDROID */ 102 } 103 104 105 void wpas_notify_network_changed(struct wpa_supplicant *wpa_s) 106 { 107 wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_NETWORK); 108 } 109 110 111 void wpas_notify_ap_scan_changed(struct wpa_supplicant *wpa_s) 112 { 113 wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_AP_SCAN); 114 } 115 116 117 void wpas_notify_bssid_changed(struct wpa_supplicant *wpa_s) 118 { 119 wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_BSS); 120 } 121 122 123 void wpas_notify_auth_changed(struct wpa_supplicant *wpa_s) 124 { 125 wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_AUTH_MODE); 126 } 127 128 129 void wpas_notify_network_enabled_changed(struct wpa_supplicant *wpa_s, 130 struct wpa_ssid *ssid) 131 { 132 wpas_dbus_signal_network_enabled_changed(wpa_s, ssid); 133 } 134 135 136 void wpas_notify_network_selected(struct wpa_supplicant *wpa_s, 137 struct wpa_ssid *ssid) 138 { 139 wpas_dbus_signal_network_selected(wpa_s, ssid->id); 140 } 141 142 143 void wpas_notify_scanning(struct wpa_supplicant *wpa_s) 144 { 145 /* notify the old DBus API */ 146 wpa_supplicant_dbus_notify_scanning(wpa_s); 147 148 /* notify the new DBus API */ 149 wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SCANNING); 150 } 151 152 153 void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success) 154 { 155 wpas_dbus_signal_scan_done(wpa_s, success); 156 } 157 158 159 void wpas_notify_scan_results(struct wpa_supplicant *wpa_s) 160 { 161 /* notify the old DBus API */ 162 wpa_supplicant_dbus_notify_scan_results(wpa_s); 163 164 wpas_wps_notify_scan_results(wpa_s); 165 } 166 167 168 void wpas_notify_wps_credential(struct wpa_supplicant *wpa_s, 169 const struct wps_credential *cred) 170 { 171 #ifdef CONFIG_WPS 172 /* notify the old DBus API */ 173 wpa_supplicant_dbus_notify_wps_cred(wpa_s, cred); 174 /* notify the new DBus API */ 175 wpas_dbus_signal_wps_cred(wpa_s, cred); 176 #endif /* CONFIG_WPS */ 177 } 178 179 180 void wpas_notify_wps_event_m2d(struct wpa_supplicant *wpa_s, 181 struct wps_event_m2d *m2d) 182 { 183 #ifdef CONFIG_WPS 184 wpas_dbus_signal_wps_event_m2d(wpa_s, m2d); 185 #endif /* CONFIG_WPS */ 186 } 187 188 189 void wpas_notify_wps_event_fail(struct wpa_supplicant *wpa_s, 190 struct wps_event_fail *fail) 191 { 192 #ifdef CONFIG_WPS 193 wpas_dbus_signal_wps_event_fail(wpa_s, fail); 194 #endif /* CONFIG_WPS */ 195 } 196 197 198 void wpas_notify_wps_event_success(struct wpa_supplicant *wpa_s) 199 { 200 #ifdef CONFIG_WPS 201 wpas_dbus_signal_wps_event_success(wpa_s); 202 #endif /* CONFIG_WPS */ 203 } 204 205 206 void wpas_notify_network_added(struct wpa_supplicant *wpa_s, 207 struct wpa_ssid *ssid) 208 { 209 /* 210 * Networks objects created during any P2P activities should not be 211 * exposed out. They might/will confuse certain non-P2P aware 212 * applications since these network objects won't behave like 213 * regular ones. 214 */ 215 if (wpa_s->global->p2p_group_formation != wpa_s) 216 wpas_dbus_register_network(wpa_s, ssid); 217 } 218 219 220 void wpas_notify_persistent_group_added(struct wpa_supplicant *wpa_s, 221 struct wpa_ssid *ssid) 222 { 223 #ifdef CONFIG_P2P 224 wpas_dbus_register_persistent_group(wpa_s, ssid); 225 #endif /* CONFIG_P2P */ 226 } 227 228 229 void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s, 230 struct wpa_ssid *ssid) 231 { 232 #ifdef CONFIG_P2P 233 wpas_dbus_unregister_persistent_group(wpa_s, ssid->id); 234 #endif /* CONFIG_P2P */ 235 } 236 237 238 void wpas_notify_network_removed(struct wpa_supplicant *wpa_s, 239 struct wpa_ssid *ssid) 240 { 241 if (wpa_s->global->p2p_group_formation != wpa_s) 242 wpas_dbus_unregister_network(wpa_s, ssid->id); 243 } 244 245 246 void wpas_notify_bss_added(struct wpa_supplicant *wpa_s, 247 u8 bssid[], unsigned int id) 248 { 249 wpas_dbus_register_bss(wpa_s, bssid, id); 250 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR, 251 id, MAC2STR(bssid)); 252 } 253 254 255 void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s, 256 u8 bssid[], unsigned int id) 257 { 258 wpas_dbus_unregister_bss(wpa_s, bssid, id); 259 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR, 260 id, MAC2STR(bssid)); 261 } 262 263 264 void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s, 265 unsigned int id) 266 { 267 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id); 268 } 269 270 271 void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s, 272 unsigned int id) 273 { 274 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL, 275 id); 276 } 277 278 279 void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s, 280 unsigned int id) 281 { 282 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY, 283 id); 284 } 285 286 287 void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s, 288 unsigned int id) 289 { 290 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id); 291 } 292 293 294 void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s, 295 unsigned int id) 296 { 297 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id); 298 } 299 300 301 void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s, 302 unsigned int id) 303 { 304 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id); 305 } 306 307 308 void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s, 309 unsigned int id) 310 { 311 } 312 313 314 void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s, 315 unsigned int id) 316 { 317 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id); 318 } 319 320 321 void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s, 322 unsigned int id) 323 { 324 wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id); 325 } 326 327 328 void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name) 329 { 330 wpas_dbus_signal_blob_added(wpa_s, name); 331 } 332 333 334 void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name) 335 { 336 wpas_dbus_signal_blob_removed(wpa_s, name); 337 } 338 339 340 void wpas_notify_debug_level_changed(struct wpa_global *global) 341 { 342 wpas_dbus_signal_debug_level_changed(global); 343 } 344 345 346 void wpas_notify_debug_timestamp_changed(struct wpa_global *global) 347 { 348 wpas_dbus_signal_debug_timestamp_changed(global); 349 } 350 351 352 void wpas_notify_debug_show_keys_changed(struct wpa_global *global) 353 { 354 wpas_dbus_signal_debug_show_keys_changed(global); 355 } 356 357 358 void wpas_notify_suspend(struct wpa_global *global) 359 { 360 struct wpa_supplicant *wpa_s; 361 362 os_get_time(&global->suspend_time); 363 wpa_printf(MSG_DEBUG, "System suspend notification"); 364 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) 365 wpa_drv_suspend(wpa_s); 366 } 367 368 369 void wpas_notify_resume(struct wpa_global *global) 370 { 371 struct os_time now; 372 int slept; 373 struct wpa_supplicant *wpa_s; 374 375 if (global->suspend_time.sec == 0) 376 slept = -1; 377 else { 378 os_get_time(&now); 379 slept = now.sec - global->suspend_time.sec; 380 } 381 wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)", 382 slept); 383 384 for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) { 385 wpa_drv_resume(wpa_s); 386 if (wpa_s->wpa_state == WPA_DISCONNECTED) 387 wpa_supplicant_req_scan(wpa_s, 0, 100000); 388 } 389 } 390 391 392 #ifdef CONFIG_P2P 393 394 void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s, 395 const u8 *dev_addr, int new_device) 396 { 397 if (new_device) { 398 /* Create the new peer object */ 399 wpas_dbus_register_peer(wpa_s, dev_addr); 400 } 401 402 /* Notify a new peer has been detected*/ 403 wpas_dbus_signal_peer_device_found(wpa_s, dev_addr); 404 } 405 406 407 void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s, 408 const u8 *dev_addr) 409 { 410 wpas_dbus_unregister_peer(wpa_s, dev_addr); 411 412 /* Create signal on interface object*/ 413 wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr); 414 } 415 416 417 void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s, 418 const struct wpa_ssid *ssid, 419 const char *role) 420 { 421 wpas_dbus_unregister_p2p_group(wpa_s, ssid); 422 423 wpas_dbus_signal_p2p_group_removed(wpa_s, role); 424 } 425 426 427 void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s, 428 const u8 *src, u16 dev_passwd_id) 429 { 430 wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id); 431 } 432 433 434 void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s, int status) 435 { 436 wpas_dbus_signal_p2p_go_neg_resp(wpa_s, status); 437 } 438 439 440 void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s, 441 int status, const u8 *bssid) 442 { 443 wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid); 444 } 445 446 447 void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s, 448 int freq, const u8 *sa, u8 dialog_token, 449 u16 update_indic, const u8 *tlvs, 450 size_t tlvs_len) 451 { 452 wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token, 453 update_indic, tlvs, tlvs_len); 454 } 455 456 457 void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s, 458 const u8 *sa, u16 update_indic, 459 const u8 *tlvs, size_t tlvs_len) 460 { 461 wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic, 462 tlvs, tlvs_len); 463 } 464 465 466 /** 467 * wpas_notify_p2p_provision_discovery - Notification of provision discovery 468 * @dev_addr: Who sent the request or responded to our request. 469 * @request: Will be 1 if request, 0 for response. 470 * @status: Valid only in case of response (0 in case of success) 471 * @config_methods: WPS config methods 472 * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method 473 * 474 * This can be used to notify: 475 * - Requests or responses 476 * - Various config methods 477 * - Failure condition in case of response 478 */ 479 void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s, 480 const u8 *dev_addr, int request, 481 enum p2p_prov_disc_status status, 482 u16 config_methods, 483 unsigned int generated_pin) 484 { 485 wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request, 486 status, config_methods, 487 generated_pin); 488 } 489 490 491 void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s, 492 struct wpa_ssid *ssid, int network_id, 493 int client) 494 { 495 /* Notify a group has been started */ 496 wpas_dbus_register_p2p_group(wpa_s, ssid); 497 498 wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id); 499 } 500 501 502 void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s, 503 struct wps_event_fail *fail) 504 { 505 wpas_dbus_signal_p2p_wps_failed(wpa_s, fail); 506 } 507 508 #endif /* CONFIG_P2P */ 509 510 511 static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s, 512 const u8 *sta) 513 { 514 #ifdef CONFIG_P2P 515 /* 516 * Register a group member object corresponding to this peer and 517 * emit a PeerJoined signal. This will check if it really is a 518 * P2P group. 519 */ 520 wpas_dbus_register_p2p_groupmember(wpa_s, sta); 521 522 /* 523 * Create 'peer-joined' signal on group object -- will also 524 * check P2P itself. 525 */ 526 wpas_dbus_signal_p2p_peer_joined(wpa_s, sta); 527 #endif /* CONFIG_P2P */ 528 } 529 530 531 static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s, 532 const u8 *sta) 533 { 534 #ifdef CONFIG_P2P 535 /* 536 * Unregister a group member object corresponding to this peer 537 * if this is a P2P group. 538 */ 539 wpas_dbus_unregister_p2p_groupmember(wpa_s, sta); 540 541 /* 542 * Create 'peer-disconnected' signal on group object if this 543 * is a P2P group. 544 */ 545 wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta); 546 #endif /* CONFIG_P2P */ 547 } 548 549 550 void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s, 551 const u8 *mac_addr, int authorized) 552 { 553 if (authorized) 554 wpas_notify_ap_sta_authorized(wpa_s, mac_addr); 555 else 556 wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr); 557 } 558 559 560 void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth, 561 const char *subject, const char *cert_hash, 562 const struct wpabuf *cert) 563 { 564 wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT 565 "depth=%d subject='%s'%s%s", 566 depth, subject, 567 cert_hash ? " hash=" : "", 568 cert_hash ? cert_hash : ""); 569 570 if (cert) { 571 char *cert_hex; 572 size_t len = wpabuf_len(cert) * 2 + 1; 573 cert_hex = os_malloc(len); 574 if (cert_hex) { 575 wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert), 576 wpabuf_len(cert)); 577 wpa_msg_ctrl(wpa_s, MSG_INFO, 578 WPA_EVENT_EAP_PEER_CERT 579 "depth=%d subject='%s' cert=%s", 580 depth, subject, cert_hex); 581 os_free(cert_hex); 582 } 583 } 584 585 /* notify the old DBus API */ 586 wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject, 587 cert_hash, cert); 588 /* notify the new DBus API */ 589 wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert); 590 } 591