wpa_supplicant/notify.c

   1 /*
   2  * wpa_supplicant - Event notifications
   3  * Copyright (c) 2009-2010, Jouni Malinen <j@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 "rsn_supp/wpa.h"
  26 #include "driver_i.h"
  27 #include "scan.h"
  28 #include "p2p_supplicant.h"
  29 #include "sme.h"
  30 #include "notify.h"
  31
  32 int wpas_notify_supplicant_initialized(struct wpa_global *global)
  33 {
  34 #ifdef CONFIG_DBUS
  35         if (global->params.dbus_ctrl_interface) {
  36                 global->dbus = wpas_dbus_init(global);
  37                 if (global->dbus == NULL)
  38                         return -1;
  39         }
  40 #endif /* CONFIG_DBUS */
  41
  42         return 0;
  43 }
  44
  45
  46 void wpas_notify_supplicant_deinitialized(struct wpa_global *global)
  47 {
  48 #ifdef CONFIG_DBUS
  49         if (global->dbus)
  50                 wpas_dbus_deinit(global->dbus);
  51 #endif /* CONFIG_DBUS */
  52 }
  53
  54
  55 int wpas_notify_iface_added(struct wpa_supplicant *wpa_s)
  56 {
  57         if (wpas_dbus_register_iface(wpa_s))
  58                 return -1;
  59
  60         if (wpas_dbus_register_interface(wpa_s))
  61                 return -1;
  62
  63         return 0;
  64 }
  65
  66
  67 void wpas_notify_iface_removed(struct wpa_supplicant *wpa_s)
  68 {
  69         /* unregister interface in old DBus ctrl iface */
  70         wpas_dbus_unregister_iface(wpa_s);
  71
  72         /* unregister interface in new DBus ctrl iface */
  73         wpas_dbus_unregister_interface(wpa_s);
  74 }
  75
  76
  77 void wpas_notify_state_changed(struct wpa_supplicant *wpa_s,
  78                                enum wpa_states new_state,
  79                                enum wpa_states old_state)
  80 {
  81         /* notify the old DBus API */
  82         wpa_supplicant_dbus_notify_state_change(wpa_s, new_state,
  83                                                 old_state);
  84
  85         /* notify the new DBus API */
  86         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_STATE);
  87
  88 #ifdef CONFIG_P2P
  89         if (new_state == WPA_COMPLETED)
  90                 wpas_p2p_notif_connected(wpa_s);
  91         else if (new_state < WPA_ASSOCIATED)
  92                 wpas_p2p_notif_disconnected(wpa_s);
  93 #endif /* CONFIG_P2P */
  94
  95         sme_state_changed(wpa_s);
  96
  97 #ifdef ANDROID
  98         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
  99                      "id=%d state=%d BSSID=" MACSTR,
 100                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
 101                      new_state, MAC2STR(wpa_s->pending_bssid));
 102 #endif /* ANDROID */
 103 }
 104
 105
 106 void wpas_notify_network_changed(struct wpa_supplicant *wpa_s)
 107 {
 108         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_NETWORK);
 109 }
 110
 111
 112 void wpas_notify_ap_scan_changed(struct wpa_supplicant *wpa_s)
 113 {
 114         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_AP_SCAN);
 115 }
 116
 117
 118 void wpas_notify_bssid_changed(struct wpa_supplicant *wpa_s)
 119 {
 120         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_BSS);
 121 }
 122
 123
 124 void wpas_notify_auth_changed(struct wpa_supplicant *wpa_s)
 125 {
 126         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_AUTH_MODE);
 127 }
 128
 129
 130 void wpas_notify_network_enabled_changed(struct wpa_supplicant *wpa_s,
 131                                          struct wpa_ssid *ssid)
 132 {
 133         wpas_dbus_signal_network_enabled_changed(wpa_s, ssid);
 134 }
 135
 136
 137 void wpas_notify_network_selected(struct wpa_supplicant *wpa_s,
 138                                   struct wpa_ssid *ssid)
 139 {
 140         wpas_dbus_signal_network_selected(wpa_s, ssid->id);
 141 }
 142
 143
 144 void wpas_notify_network_request(struct wpa_supplicant *wpa_s,
 145                                  struct wpa_ssid *ssid,
 146                                  enum wpa_ctrl_req_type rtype,
 147                                  const char *default_txt)
 148 {
 149         wpas_dbus_signal_network_request(wpa_s, ssid, rtype, default_txt);
 150 }
 151
 152
 153 void wpas_notify_scanning(struct wpa_supplicant *wpa_s)
 154 {
 155         /* notify the old DBus API */
 156         wpa_supplicant_dbus_notify_scanning(wpa_s);
 157
 158         /* notify the new DBus API */
 159         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SCANNING);
 160 }
 161
 162
 163 void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success)
 164 {
 165         wpas_dbus_signal_scan_done(wpa_s, success);
 166 }
 167
 168
 169 void wpas_notify_scan_results(struct wpa_supplicant *wpa_s)
 170 {
 171         /* notify the old DBus API */
 172         wpa_supplicant_dbus_notify_scan_results(wpa_s);
 173
 174         wpas_wps_notify_scan_results(wpa_s);
 175 }
 176
 177
 178 void wpas_notify_wps_credential(struct wpa_supplicant *wpa_s,
 179                                 const struct wps_credential *cred)
 180 {
 181 #ifdef CONFIG_WPS
 182         /* notify the old DBus API */
 183         wpa_supplicant_dbus_notify_wps_cred(wpa_s, cred);
 184         /* notify the new DBus API */
 185         wpas_dbus_signal_wps_cred(wpa_s, cred);
 186 #endif /* CONFIG_WPS */
 187 }
 188
 189
 190 void wpas_notify_wps_event_m2d(struct wpa_supplicant *wpa_s,
 191                                struct wps_event_m2d *m2d)
 192 {
 193 #ifdef CONFIG_WPS
 194         wpas_dbus_signal_wps_event_m2d(wpa_s, m2d);
 195 #endif /* CONFIG_WPS */
 196 }
 197
 198
 199 void wpas_notify_wps_event_fail(struct wpa_supplicant *wpa_s,
 200                                 struct wps_event_fail *fail)
 201 {
 202 #ifdef CONFIG_WPS
 203         wpas_dbus_signal_wps_event_fail(wpa_s, fail);
 204 #endif /* CONFIG_WPS */
 205 }
 206
 207
 208 void wpas_notify_wps_event_success(struct wpa_supplicant *wpa_s)
 209 {
 210 #ifdef CONFIG_WPS
 211         wpas_dbus_signal_wps_event_success(wpa_s);
 212 #endif /* CONFIG_WPS */
 213 }
 214
 215
 216 void wpas_notify_network_added(struct wpa_supplicant *wpa_s,
 217                                struct wpa_ssid *ssid)
 218 {
 219         /*
 220          * Networks objects created during any P2P activities should not be
 221          * exposed out. They might/will confuse certain non-P2P aware
 222          * applications since these network objects won't behave like
 223          * regular ones.
 224          */
 225         if (wpa_s->global->p2p_group_formation != wpa_s)
 226                 wpas_dbus_register_network(wpa_s, ssid);
 227 }
 228
 229
 230 void wpas_notify_persistent_group_added(struct wpa_supplicant *wpa_s,
 231                                         struct wpa_ssid *ssid)
 232 {
 233 #ifdef CONFIG_P2P
 234         wpas_dbus_register_persistent_group(wpa_s, ssid);
 235 #endif /* CONFIG_P2P */
 236 }
 237
 238
 239 void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s,
 240                                           struct wpa_ssid *ssid)
 241 {
 242 #ifdef CONFIG_P2P
 243         wpas_dbus_unregister_persistent_group(wpa_s, ssid->id);
 244 #endif /* CONFIG_P2P */
 245 }
 246
 247
 248 void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
 249                                  struct wpa_ssid *ssid)
 250 {
 251         if (wpa_s->wpa)
 252                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
 253         if (wpa_s->global->p2p_group_formation != wpa_s)
 254                 wpas_dbus_unregister_network(wpa_s, ssid->id);
 255 }
 256
 257
 258 void wpas_notify_bss_added(struct wpa_supplicant *wpa_s,
 259                            u8 bssid[], unsigned int id)
 260 {
 261         wpas_dbus_register_bss(wpa_s, bssid, id);
 262         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR,
 263                      id, MAC2STR(bssid));
 264 }
 265
 266
 267 void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s,
 268                              u8 bssid[], unsigned int id)
 269 {
 270         wpas_dbus_unregister_bss(wpa_s, bssid, id);
 271         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR,
 272                      id, MAC2STR(bssid));
 273 }
 274
 275
 276 void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
 277                                   unsigned int id)
 278 {
 279         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
 280 }
 281
 282
 283 void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
 284                                     unsigned int id)
 285 {
 286         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
 287                                           id);
 288 }
 289
 290
 291 void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
 292                                      unsigned int id)
 293 {
 294         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
 295                                           id);
 296 }
 297
 298
 299 void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
 300                                   unsigned int id)
 301 {
 302         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
 303 }
 304
 305
 306 void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
 307                                    unsigned int id)
 308 {
 309         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id);
 310 }
 311
 312
 313 void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
 314                                    unsigned int id)
 315 {
 316         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id);
 317 }
 318
 319
 320 void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
 321                                  unsigned int id)
 322 {
 323 }
 324
 325
 326 void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
 327                                    unsigned int id)
 328 {
 329         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
 330 }
 331
 332
 333 void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
 334                                    unsigned int id)
 335 {
 336         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
 337 }
 338
 339
 340 void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
 341 {
 342         wpas_dbus_signal_blob_added(wpa_s, name);
 343 }
 344
 345
 346 void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
 347 {
 348         wpas_dbus_signal_blob_removed(wpa_s, name);
 349 }
 350
 351
 352 void wpas_notify_debug_level_changed(struct wpa_global *global)
 353 {
 354         wpas_dbus_signal_debug_level_changed(global);
 355 }
 356
 357
 358 void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
 359 {
 360         wpas_dbus_signal_debug_timestamp_changed(global);
 361 }
 362
 363
 364 void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
 365 {
 366         wpas_dbus_signal_debug_show_keys_changed(global);
 367 }
 368
 369
 370 void wpas_notify_suspend(struct wpa_global *global)
 371 {
 372         struct wpa_supplicant *wpa_s;
 373
 374         os_get_time(&global->suspend_time);
 375         wpa_printf(MSG_DEBUG, "System suspend notification");
 376         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
 377                 wpa_drv_suspend(wpa_s);
 378 }
 379
 380
 381 void wpas_notify_resume(struct wpa_global *global)
 382 {
 383         struct os_time now;
 384         int slept;
 385         struct wpa_supplicant *wpa_s;
 386
 387         if (global->suspend_time.sec == 0)
 388                 slept = -1;
 389         else {
 390                 os_get_time(&now);
 391                 slept = now.sec - global->suspend_time.sec;
 392         }
 393         wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
 394                    slept);
 395
 396         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
 397                 wpa_drv_resume(wpa_s);
 398                 if (wpa_s->wpa_state == WPA_DISCONNECTED)
 399                         wpa_supplicant_req_scan(wpa_s, 0, 100000);
 400         }
 401 }
 402
 403
 404 #ifdef CONFIG_P2P
 405
 406 void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
 407                                   const u8 *dev_addr, int new_device)
 408 {
 409         if (new_device) {
 410                 /* Create the new peer object */
 411                 wpas_dbus_register_peer(wpa_s, dev_addr);
 412         }
 413
 414         /* Notify a new peer has been detected*/
 415         wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
 416 }
 417
 418
 419 void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
 420                                  const u8 *dev_addr)
 421 {
 422         wpas_dbus_unregister_peer(wpa_s, dev_addr);
 423
 424         /* Create signal on interface object*/
 425         wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
 426 }
 427
 428
 429 void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
 430                                    const struct wpa_ssid *ssid,
 431                                    const char *role)
 432 {
 433         wpas_dbus_unregister_p2p_group(wpa_s, ssid);
 434
 435         wpas_dbus_signal_p2p_group_removed(wpa_s, role);
 436 }
 437
 438
 439 void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
 440                                 const u8 *src, u16 dev_passwd_id)
 441 {
 442         wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
 443 }
 444
 445
 446 void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s, int status)
 447 {
 448         wpas_dbus_signal_p2p_go_neg_resp(wpa_s, status);
 449 }
 450
 451
 452 void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
 453                                        int status, const u8 *bssid)
 454 {
 455         wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
 456 }
 457
 458
 459 void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
 460                                 int freq, const u8 *sa, u8 dialog_token,
 461                                 u16 update_indic, const u8 *tlvs,
 462                                 size_t tlvs_len)
 463 {
 464         wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
 465                                         update_indic, tlvs, tlvs_len);
 466 }
 467
 468
 469 void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
 470                                  const u8 *sa, u16 update_indic,
 471                                  const u8 *tlvs, size_t tlvs_len)
 472 {
 473         wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
 474                                          tlvs, tlvs_len);
 475 }
 476
 477
 478 /**
 479  * wpas_notify_p2p_provision_discovery - Notification of provision discovery
 480  * @dev_addr: Who sent the request or responded to our request.
 481  * @request: Will be 1 if request, 0 for response.
 482  * @status: Valid only in case of response (0 in case of success)
 483  * @config_methods: WPS config methods
 484  * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
 485  *
 486  * This can be used to notify:
 487  * - Requests or responses
 488  * - Various config methods
 489  * - Failure condition in case of response
 490  */
 491 void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
 492                                          const u8 *dev_addr, int request,
 493                                          enum p2p_prov_disc_status status,
 494                                          u16 config_methods,
 495                                          unsigned int generated_pin)
 496 {
 497         wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
 498                                                  status, config_methods,
 499                                                  generated_pin);
 500 }
 501
 502
 503 void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
 504                                    struct wpa_ssid *ssid, int network_id,
 505                                    int client)
 506 {
 507         /* Notify a group has been started */
 508         wpas_dbus_register_p2p_group(wpa_s, ssid);
 509
 510         wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
 511 }
 512
 513
 514 void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
 515                                 struct wps_event_fail *fail)
 516 {
 517         wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
 518 }
 519
 520 #endif /* CONFIG_P2P */
 521
 522
 523 static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
 524                                           const u8 *sta)
 525 {
 526 #ifdef CONFIG_P2P
 527         /*
 528          * Register a group member object corresponding to this peer and
 529          * emit a PeerJoined signal. This will check if it really is a
 530          * P2P group.
 531          */
 532         wpas_dbus_register_p2p_groupmember(wpa_s, sta);
 533
 534         /*
 535          * Create 'peer-joined' signal on group object -- will also
 536          * check P2P itself.
 537          */
 538         wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
 539 #endif /* CONFIG_P2P */
 540 }
 541
 542
 543 static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
 544                                             const u8 *sta)
 545 {
 546 #ifdef CONFIG_P2P
 547         /*
 548          * Unregister a group member object corresponding to this peer
 549          * if this is a P2P group.
 550          */
 551         wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
 552
 553         /*
 554          * Create 'peer-disconnected' signal on group object if this
 555          * is a P2P group.
 556          */
 557         wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
 558 #endif /* CONFIG_P2P */
 559 }
 560
 561
 562 void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
 563                                 const u8 *mac_addr, int authorized)
 564 {
 565         if (authorized)
 566                 wpas_notify_ap_sta_authorized(wpa_s, mac_addr);
 567         else
 568                 wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
 569 }
 570
 571
 572 void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth,
 573                                const char *subject, const char *cert_hash,
 574                                const struct wpabuf *cert)
 575 {
 576         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
 577                 "depth=%d subject='%s'%s%s",
 578                 depth, subject,
 579                 cert_hash ? " hash=" : "",
 580                 cert_hash ? cert_hash : "");
 581
 582         if (cert) {
 583                 char *cert_hex;
 584                 size_t len = wpabuf_len(cert) * 2 + 1;
 585                 cert_hex = os_malloc(len);
 586                 if (cert_hex) {
 587                         wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
 588                                          wpabuf_len(cert));
 589                         wpa_msg_ctrl(wpa_s, MSG_INFO,
 590                                      WPA_EVENT_EAP_PEER_CERT
 591                                      "depth=%d subject='%s' cert=%s",
 592                                      depth, subject, cert_hex);
 593                         os_free(cert_hex);
 594                 }
 595         }
 596
 597         /* notify the old DBus API */
 598         wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject,
 599                                                  cert_hash, cert);
 600         /* notify the new DBus API */
 601         wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert);
 602 }