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_scanning(struct wpa_supplicant *wpa_s)
 145 {
 146         /* notify the old DBus API */
 147         wpa_supplicant_dbus_notify_scanning(wpa_s);
 148
 149         /* notify the new DBus API */
 150         wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SCANNING);
 151 }
 152
 153
 154 void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success)
 155 {
 156         wpas_dbus_signal_scan_done(wpa_s, success);
 157 }
 158
 159
 160 void wpas_notify_scan_results(struct wpa_supplicant *wpa_s)
 161 {
 162         /* notify the old DBus API */
 163         wpa_supplicant_dbus_notify_scan_results(wpa_s);
 164
 165         wpas_wps_notify_scan_results(wpa_s);
 166 }
 167
 168
 169 void wpas_notify_wps_credential(struct wpa_supplicant *wpa_s,
 170                                 const struct wps_credential *cred)
 171 {
 172 #ifdef CONFIG_WPS
 173         /* notify the old DBus API */
 174         wpa_supplicant_dbus_notify_wps_cred(wpa_s, cred);
 175         /* notify the new DBus API */
 176         wpas_dbus_signal_wps_cred(wpa_s, cred);
 177 #endif /* CONFIG_WPS */
 178 }
 179
 180
 181 void wpas_notify_wps_event_m2d(struct wpa_supplicant *wpa_s,
 182                                struct wps_event_m2d *m2d)
 183 {
 184 #ifdef CONFIG_WPS
 185         wpas_dbus_signal_wps_event_m2d(wpa_s, m2d);
 186 #endif /* CONFIG_WPS */
 187 }
 188
 189
 190 void wpas_notify_wps_event_fail(struct wpa_supplicant *wpa_s,
 191                                 struct wps_event_fail *fail)
 192 {
 193 #ifdef CONFIG_WPS
 194         wpas_dbus_signal_wps_event_fail(wpa_s, fail);
 195 #endif /* CONFIG_WPS */
 196 }
 197
 198
 199 void wpas_notify_wps_event_success(struct wpa_supplicant *wpa_s)
 200 {
 201 #ifdef CONFIG_WPS
 202         wpas_dbus_signal_wps_event_success(wpa_s);
 203 #endif /* CONFIG_WPS */
 204 }
 205
 206
 207 void wpas_notify_network_added(struct wpa_supplicant *wpa_s,
 208                                struct wpa_ssid *ssid)
 209 {
 210         /*
 211          * Networks objects created during any P2P activities should not be
 212          * exposed out. They might/will confuse certain non-P2P aware
 213          * applications since these network objects won't behave like
 214          * regular ones.
 215          */
 216         if (wpa_s->global->p2p_group_formation != wpa_s)
 217                 wpas_dbus_register_network(wpa_s, ssid);
 218 }
 219
 220
 221 void wpas_notify_persistent_group_added(struct wpa_supplicant *wpa_s,
 222                                         struct wpa_ssid *ssid)
 223 {
 224 #ifdef CONFIG_P2P
 225         wpas_dbus_register_persistent_group(wpa_s, ssid);
 226 #endif /* CONFIG_P2P */
 227 }
 228
 229
 230 void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s,
 231                                           struct wpa_ssid *ssid)
 232 {
 233 #ifdef CONFIG_P2P
 234         wpas_dbus_unregister_persistent_group(wpa_s, ssid->id);
 235 #endif /* CONFIG_P2P */
 236 }
 237
 238
 239 void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
 240                                  struct wpa_ssid *ssid)
 241 {
 242         if (wpa_s->wpa)
 243                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
 244         if (wpa_s->global->p2p_group_formation != wpa_s)
 245                 wpas_dbus_unregister_network(wpa_s, ssid->id);
 246 }
 247
 248
 249 void wpas_notify_bss_added(struct wpa_supplicant *wpa_s,
 250                            u8 bssid[], unsigned int id)
 251 {
 252         wpas_dbus_register_bss(wpa_s, bssid, id);
 253         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR,
 254                      id, MAC2STR(bssid));
 255 }
 256
 257
 258 void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s,
 259                              u8 bssid[], unsigned int id)
 260 {
 261         wpas_dbus_unregister_bss(wpa_s, bssid, id);
 262         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR,
 263                      id, MAC2STR(bssid));
 264 }
 265
 266
 267 void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
 268                                   unsigned int id)
 269 {
 270         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
 271 }
 272
 273
 274 void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
 275                                     unsigned int id)
 276 {
 277         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
 278                                           id);
 279 }
 280
 281
 282 void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
 283                                      unsigned int id)
 284 {
 285         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
 286                                           id);
 287 }
 288
 289
 290 void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
 291                                   unsigned int id)
 292 {
 293         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
 294 }
 295
 296
 297 void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
 298                                    unsigned int id)
 299 {
 300         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id);
 301 }
 302
 303
 304 void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
 305                                    unsigned int id)
 306 {
 307         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id);
 308 }
 309
 310
 311 void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
 312                                  unsigned int id)
 313 {
 314 }
 315
 316
 317 void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
 318                                    unsigned int id)
 319 {
 320         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
 321 }
 322
 323
 324 void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
 325                                    unsigned int id)
 326 {
 327         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
 328 }
 329
 330
 331 void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
 332 {
 333         wpas_dbus_signal_blob_added(wpa_s, name);
 334 }
 335
 336
 337 void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
 338 {
 339         wpas_dbus_signal_blob_removed(wpa_s, name);
 340 }
 341
 342
 343 void wpas_notify_debug_level_changed(struct wpa_global *global)
 344 {
 345         wpas_dbus_signal_debug_level_changed(global);
 346 }
 347
 348
 349 void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
 350 {
 351         wpas_dbus_signal_debug_timestamp_changed(global);
 352 }
 353
 354
 355 void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
 356 {
 357         wpas_dbus_signal_debug_show_keys_changed(global);
 358 }
 359
 360
 361 void wpas_notify_suspend(struct wpa_global *global)
 362 {
 363         struct wpa_supplicant *wpa_s;
 364
 365         os_get_time(&global->suspend_time);
 366         wpa_printf(MSG_DEBUG, "System suspend notification");
 367         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
 368                 wpa_drv_suspend(wpa_s);
 369 }
 370
 371
 372 void wpas_notify_resume(struct wpa_global *global)
 373 {
 374         struct os_time now;
 375         int slept;
 376         struct wpa_supplicant *wpa_s;
 377
 378         if (global->suspend_time.sec == 0)
 379                 slept = -1;
 380         else {
 381                 os_get_time(&now);
 382                 slept = now.sec - global->suspend_time.sec;
 383         }
 384         wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
 385                    slept);
 386
 387         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
 388                 wpa_drv_resume(wpa_s);
 389                 if (wpa_s->wpa_state == WPA_DISCONNECTED)
 390                         wpa_supplicant_req_scan(wpa_s, 0, 100000);
 391         }
 392 }
 393
 394
 395 #ifdef CONFIG_P2P
 396
 397 void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
 398                                   const u8 *dev_addr, int new_device)
 399 {
 400         if (new_device) {
 401                 /* Create the new peer object */
 402                 wpas_dbus_register_peer(wpa_s, dev_addr);
 403         }
 404
 405         /* Notify a new peer has been detected*/
 406         wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
 407 }
 408
 409
 410 void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
 411                                  const u8 *dev_addr)
 412 {
 413         wpas_dbus_unregister_peer(wpa_s, dev_addr);
 414
 415         /* Create signal on interface object*/
 416         wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
 417 }
 418
 419
 420 void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
 421                                    const struct wpa_ssid *ssid,
 422                                    const char *role)
 423 {
 424         wpas_dbus_unregister_p2p_group(wpa_s, ssid);
 425
 426         wpas_dbus_signal_p2p_group_removed(wpa_s, role);
 427 }
 428
 429
 430 void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
 431                                 const u8 *src, u16 dev_passwd_id)
 432 {
 433         wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
 434 }
 435
 436
 437 void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s, int status)
 438 {
 439         wpas_dbus_signal_p2p_go_neg_resp(wpa_s, status);
 440 }
 441
 442
 443 void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
 444                                        int status, const u8 *bssid)
 445 {
 446         wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
 447 }
 448
 449
 450 void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
 451                                 int freq, const u8 *sa, u8 dialog_token,
 452                                 u16 update_indic, const u8 *tlvs,
 453                                 size_t tlvs_len)
 454 {
 455         wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
 456                                         update_indic, tlvs, tlvs_len);
 457 }
 458
 459
 460 void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
 461                                  const u8 *sa, u16 update_indic,
 462                                  const u8 *tlvs, size_t tlvs_len)
 463 {
 464         wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
 465                                          tlvs, tlvs_len);
 466 }
 467
 468
 469 /**
 470  * wpas_notify_p2p_provision_discovery - Notification of provision discovery
 471  * @dev_addr: Who sent the request or responded to our request.
 472  * @request: Will be 1 if request, 0 for response.
 473  * @status: Valid only in case of response (0 in case of success)
 474  * @config_methods: WPS config methods
 475  * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
 476  *
 477  * This can be used to notify:
 478  * - Requests or responses
 479  * - Various config methods
 480  * - Failure condition in case of response
 481  */
 482 void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
 483                                          const u8 *dev_addr, int request,
 484                                          enum p2p_prov_disc_status status,
 485                                          u16 config_methods,
 486                                          unsigned int generated_pin)
 487 {
 488         wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
 489                                                  status, config_methods,
 490                                                  generated_pin);
 491 }
 492
 493
 494 void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
 495                                    struct wpa_ssid *ssid, int network_id,
 496                                    int client)
 497 {
 498         /* Notify a group has been started */
 499         wpas_dbus_register_p2p_group(wpa_s, ssid);
 500
 501         wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
 502 }
 503
 504
 505 void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
 506                                 struct wps_event_fail *fail)
 507 {
 508         wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
 509 }
 510
 511 #endif /* CONFIG_P2P */
 512
 513
 514 static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
 515                                           const u8 *sta)
 516 {
 517 #ifdef CONFIG_P2P
 518         /*
 519          * Register a group member object corresponding to this peer and
 520          * emit a PeerJoined signal. This will check if it really is a
 521          * P2P group.
 522          */
 523         wpas_dbus_register_p2p_groupmember(wpa_s, sta);
 524
 525         /*
 526          * Create 'peer-joined' signal on group object -- will also
 527          * check P2P itself.
 528          */
 529         wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
 530 #endif /* CONFIG_P2P */
 531 }
 532
 533
 534 static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
 535                                             const u8 *sta)
 536 {
 537 #ifdef CONFIG_P2P
 538         /*
 539          * Unregister a group member object corresponding to this peer
 540          * if this is a P2P group.
 541          */
 542         wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
 543
 544         /*
 545          * Create 'peer-disconnected' signal on group object if this
 546          * is a P2P group.
 547          */
 548         wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
 549 #endif /* CONFIG_P2P */
 550 }
 551
 552
 553 void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
 554                                 const u8 *mac_addr, int authorized)
 555 {
 556         if (authorized)
 557                 wpas_notify_ap_sta_authorized(wpa_s, mac_addr);
 558         else
 559                 wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
 560 }
 561
 562
 563 void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth,
 564                                const char *subject, const char *cert_hash,
 565                                const struct wpabuf *cert)
 566 {
 567         wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
 568                 "depth=%d subject='%s'%s%s",
 569                 depth, subject,
 570                 cert_hash ? " hash=" : "",
 571                 cert_hash ? cert_hash : "");
 572
 573         if (cert) {
 574                 char *cert_hex;
 575                 size_t len = wpabuf_len(cert) * 2 + 1;
 576                 cert_hex = os_malloc(len);
 577                 if (cert_hex) {
 578                         wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
 579                                          wpabuf_len(cert));
 580                         wpa_msg_ctrl(wpa_s, MSG_INFO,
 581                                      WPA_EVENT_EAP_PEER_CERT
 582                                      "depth=%d subject='%s' cert=%s",
 583                                      depth, subject, cert_hex);
 584                         os_free(cert_hex);
 585                 }
 586         }
 587
 588         /* notify the old DBus API */
 589         wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject,
 590                                                  cert_hash, cert);
 591         /* notify the new DBus API */
 592         wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert);
 593 }