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 "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 }