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         wpas_dbus_register_persistent_group(wpa_s, ssid);
 224 }
 225
 226
 227 void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s,
 228                                           struct wpa_ssid *ssid)
 229 {
 230         wpas_dbus_unregister_persistent_group(wpa_s, ssid->id);
 231 }
 232
 233
 234 void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
 235                                  struct wpa_ssid *ssid)
 236 {
 237         if (wpa_s->global->p2p_group_formation != wpa_s)
 238                 wpas_dbus_unregister_network(wpa_s, ssid->id);
 239 }
 240
 241
 242 void wpas_notify_bss_added(struct wpa_supplicant *wpa_s,
 243                            u8 bssid[], unsigned int id)
 244 {
 245         wpas_dbus_register_bss(wpa_s, bssid, id);
 246         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR,
 247                      id, MAC2STR(bssid));
 248 }
 249
 250
 251 void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s,
 252                              u8 bssid[], unsigned int id)
 253 {
 254         wpas_dbus_unregister_bss(wpa_s, bssid, id);
 255         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR,
 256                      id, MAC2STR(bssid));
 257 }
 258
 259
 260 void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
 261                                   unsigned int id)
 262 {
 263         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
 264 }
 265
 266
 267 void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
 268                                     unsigned int id)
 269 {
 270         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
 271                                           id);
 272 }
 273
 274
 275 void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
 276                                      unsigned int id)
 277 {
 278         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
 279                                           id);
 280 }
 281
 282
 283 void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
 284                                   unsigned int id)
 285 {
 286         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
 287 }
 288
 289
 290 void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
 291                                    unsigned int id)
 292 {
 293         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id);
 294 }
 295
 296
 297 void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
 298                                    unsigned int id)
 299 {
 300         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id);
 301 }
 302
 303
 304 void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
 305                                  unsigned int id)
 306 {
 307 }
 308
 309
 310 void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
 311                                    unsigned int id)
 312 {
 313         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
 314 }
 315
 316
 317 void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
 318                                    unsigned int id)
 319 {
 320         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
 321 }
 322
 323
 324 void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
 325 {
 326         wpas_dbus_signal_blob_added(wpa_s, name);
 327 }
 328
 329
 330 void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
 331 {
 332         wpas_dbus_signal_blob_removed(wpa_s, name);
 333 }
 334
 335
 336 void wpas_notify_debug_level_changed(struct wpa_global *global)
 337 {
 338         wpas_dbus_signal_debug_level_changed(global);
 339 }
 340
 341
 342 void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
 343 {
 344         wpas_dbus_signal_debug_timestamp_changed(global);
 345 }
 346
 347
 348 void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
 349 {
 350         wpas_dbus_signal_debug_show_keys_changed(global);
 351 }
 352
 353
 354 void wpas_notify_suspend(struct wpa_global *global)
 355 {
 356         struct wpa_supplicant *wpa_s;
 357
 358         os_get_time(&global->suspend_time);
 359         wpa_printf(MSG_DEBUG, "System suspend notification");
 360         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
 361                 wpa_drv_suspend(wpa_s);
 362 }
 363
 364
 365 void wpas_notify_resume(struct wpa_global *global)
 366 {
 367         struct os_time now;
 368         int slept;
 369         struct wpa_supplicant *wpa_s;
 370
 371         if (global->suspend_time.sec == 0)
 372                 slept = -1;
 373         else {
 374                 os_get_time(&now);
 375                 slept = now.sec - global->suspend_time.sec;
 376         }
 377         wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
 378                    slept);
 379
 380         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
 381                 wpa_drv_resume(wpa_s);
 382                 if (wpa_s->wpa_state == WPA_DISCONNECTED)
 383                         wpa_supplicant_req_scan(wpa_s, 0, 100000);
 384         }
 385 }
 386
 387
 388 #ifdef CONFIG_P2P
 389
 390 void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
 391                                   const u8 *dev_addr, int new_device)
 392 {
 393         if (new_device) {
 394                 /* Create the new peer object */
 395                 wpas_dbus_register_peer(wpa_s, dev_addr);
 396         }
 397
 398         /* Notify a new peer has been detected*/
 399         wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
 400 }
 401
 402
 403 void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
 404                                  const u8 *dev_addr)
 405 {
 406         wpas_dbus_unregister_peer(wpa_s, dev_addr);
 407
 408         /* Create signal on interface object*/
 409         wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
 410 }
 411
 412
 413 void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
 414                                    const struct wpa_ssid *ssid,
 415                                    const char *role)
 416 {
 417         wpas_dbus_unregister_p2p_group(wpa_s, ssid);
 418
 419         wpas_dbus_signal_p2p_group_removed(wpa_s, role);
 420 }
 421
 422
 423 void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
 424                                 const u8 *src, u16 dev_passwd_id)
 425 {
 426         wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
 427 }
 428
 429
 430 void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s, int status)
 431 {
 432         wpas_dbus_signal_p2p_go_neg_resp(wpa_s, status);
 433 }
 434
 435
 436 void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
 437                                        int status, const u8 *bssid)
 438 {
 439         wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
 440 }
 441
 442
 443 void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
 444                                 int freq, const u8 *sa, u8 dialog_token,
 445                                 u16 update_indic, const u8 *tlvs,
 446                                 size_t tlvs_len)
 447 {
 448         wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
 449                                         update_indic, tlvs, tlvs_len);
 450 }
 451
 452
 453 void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
 454                                  const u8 *sa, u16 update_indic,
 455                                  const u8 *tlvs, size_t tlvs_len)
 456 {
 457         wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
 458                                          tlvs, tlvs_len);
 459 }
 460
 461
 462 /**
 463  * wpas_notify_p2p_provision_discovery - Notification of provision discovery
 464  * @dev_addr: Who sent the request or responded to our request.
 465  * @request: Will be 1 if request, 0 for response.
 466  * @status: Valid only in case of response (0 in case of success)
 467  * @config_methods: WPS config methods
 468  * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
 469  *
 470  * This can be used to notify:
 471  * - Requests or responses
 472  * - Various config methods
 473  * - Failure condition in case of response
 474  */
 475 void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
 476                                          const u8 *dev_addr, int request,
 477                                          enum p2p_prov_disc_status status,
 478                                          u16 config_methods,
 479                                          unsigned int generated_pin)
 480 {
 481         wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
 482                                                  status, config_methods,
 483                                                  generated_pin);
 484 }
 485
 486
 487 void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
 488                                    struct wpa_ssid *ssid, int network_id,
 489                                    int client)
 490 {
 491         /* Notify a group has been started */
 492         wpas_dbus_register_p2p_group(wpa_s, ssid);
 493
 494         wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
 495 }
 496
 497
 498 void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
 499                                 struct wps_event_fail *fail)
 500 {
 501         wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
 502 }
 503
 504 #endif /* CONFIG_P2P */
 505
 506
 507 static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
 508                                           const u8 *sta)
 509 {
 510 #ifdef CONFIG_P2P
 511         /*
 512          * Register a group member object corresponding to this peer and
 513          * emit a PeerJoined signal. This will check if it really is a
 514          * P2P group.
 515          */
 516         wpas_dbus_register_p2p_groupmember(wpa_s, sta);
 517
 518         /*
 519          * Create 'peer-joined' signal on group object -- will also
 520          * check P2P itself.
 521          */
 522         wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
 523 #endif /* CONFIG_P2P */
 524 }
 525
 526
 527 static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
 528                                             const u8 *sta)
 529 {
 530 #ifdef CONFIG_P2P
 531         /*
 532          * Unregister a group member object corresponding to this peer
 533          * if this is a P2P group.
 534          */
 535         wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
 536
 537         /*
 538          * Create 'peer-disconnected' signal on group object if this
 539          * is a P2P group.
 540          */
 541         wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
 542 #endif /* CONFIG_P2P */
 543 }
 544
 545
 546 void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
 547                                 const u8 *mac_addr, int authorized)
 548 {
 549         if (authorized)
 550                 wpas_notify_ap_sta_authorized(wpa_s, mac_addr);
 551         else
 552                 wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
 553 }