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         wpas_dbus_register_network(wpa_s, ssid);
 210 }
 211
 212
 213 void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
 214                                  struct wpa_ssid *ssid)
 215 {
 216         wpas_dbus_unregister_network(wpa_s, ssid->id);
 217 }
 218
 219
 220 void wpas_notify_bss_added(struct wpa_supplicant *wpa_s,
 221                            u8 bssid[], unsigned int id)
 222 {
 223         wpas_dbus_register_bss(wpa_s, bssid, id);
 224         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR,
 225                      id, MAC2STR(bssid));
 226 }
 227
 228
 229 void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s,
 230                              u8 bssid[], unsigned int id)
 231 {
 232         wpas_dbus_unregister_bss(wpa_s, bssid, id);
 233         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR,
 234                      id, MAC2STR(bssid));
 235 }
 236
 237
 238 void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
 239                                   unsigned int id)
 240 {
 241         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
 242 }
 243
 244
 245 void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
 246                                     unsigned int id)
 247 {
 248         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
 249                                           id);
 250 }
 251
 252
 253 void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
 254                                      unsigned int id)
 255 {
 256         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
 257                                           id);
 258 }
 259
 260
 261 void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
 262                                   unsigned int id)
 263 {
 264         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
 265 }
 266
 267
 268 void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
 269                                    unsigned int id)
 270 {
 271         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id);
 272 }
 273
 274
 275 void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
 276                                    unsigned int id)
 277 {
 278         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id);
 279 }
 280
 281
 282 void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
 283                                  unsigned int id)
 284 {
 285 }
 286
 287
 288 void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
 289                                    unsigned int id)
 290 {
 291         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
 292 }
 293
 294
 295 void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
 296                                    unsigned int id)
 297 {
 298         wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
 299 }
 300
 301
 302 void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
 303 {
 304         wpas_dbus_signal_blob_added(wpa_s, name);
 305 }
 306
 307
 308 void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
 309 {
 310         wpas_dbus_signal_blob_removed(wpa_s, name);
 311 }
 312
 313
 314 void wpas_notify_debug_level_changed(struct wpa_global *global)
 315 {
 316         wpas_dbus_signal_debug_level_changed(global);
 317 }
 318
 319
 320 void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
 321 {
 322         wpas_dbus_signal_debug_timestamp_changed(global);
 323 }
 324
 325
 326 void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
 327 {
 328         wpas_dbus_signal_debug_show_keys_changed(global);
 329 }
 330
 331
 332 void wpas_notify_suspend(struct wpa_global *global)
 333 {
 334         struct wpa_supplicant *wpa_s;
 335
 336         os_get_time(&global->suspend_time);
 337         wpa_printf(MSG_DEBUG, "System suspend notification");
 338         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
 339                 wpa_drv_suspend(wpa_s);
 340 }
 341
 342
 343 void wpas_notify_resume(struct wpa_global *global)
 344 {
 345         struct os_time now;
 346         int slept;
 347         struct wpa_supplicant *wpa_s;
 348
 349         if (global->suspend_time.sec == 0)
 350                 slept = -1;
 351         else {
 352                 os_get_time(&now);
 353                 slept = now.sec - global->suspend_time.sec;
 354         }
 355         wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
 356                    slept);
 357
 358         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
 359                 wpa_drv_resume(wpa_s);
 360                 if (wpa_s->wpa_state == WPA_DISCONNECTED)
 361                         wpa_supplicant_req_scan(wpa_s, 0, 100000);
 362         }
 363 }
 364
 365
 366 #ifdef CONFIG_P2P
 367
 368 void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
 369                                   const u8 *dev_addr, int new_device)
 370 {
 371         if (new_device) {
 372                 /* Create the new peer object */
 373                 wpas_dbus_register_peer(wpa_s, dev_addr);
 374         }
 375
 376         /* Notify a new peer has been detected*/
 377         wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
 378 }
 379
 380
 381 void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
 382                                  const u8 *dev_addr)
 383 {
 384         wpas_dbus_unregister_peer(wpa_s, dev_addr);
 385
 386         /* Create signal on interface object*/
 387         wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
 388 }
 389
 390
 391 void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
 392                                    const struct wpa_ssid *ssid,
 393                                    const char *role)
 394 {
 395         wpas_dbus_unregister_p2p_group(wpa_s, ssid);
 396
 397         wpas_dbus_signal_p2p_group_removed(wpa_s, role);
 398 }
 399
 400
 401 void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
 402                                 const u8 *src, u16 dev_passwd_id)
 403 {
 404         wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
 405 }
 406
 407
 408 void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s, int status)
 409 {
 410         wpas_dbus_signal_p2p_go_neg_resp(wpa_s, status);
 411 }
 412
 413
 414 void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
 415                                        int status, const u8 *bssid)
 416 {
 417         wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
 418 }
 419
 420
 421 void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
 422                                 int freq, const u8 *sa, u8 dialog_token,
 423                                 u16 update_indic, const u8 *tlvs,
 424                                 size_t tlvs_len)
 425 {
 426         wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
 427                                         update_indic, tlvs, tlvs_len);
 428 }
 429
 430
 431 void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
 432                                  const u8 *sa, u16 update_indic,
 433                                  const u8 *tlvs, size_t tlvs_len)
 434 {
 435         wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
 436                                          tlvs, tlvs_len);
 437 }
 438
 439
 440 /**
 441  * wpas_notify_p2p_provision_discovery - Notification of provision discovery
 442  * @dev_addr: Who sent the request or responded to our request.
 443  * @request: Will be 1 if request, 0 for response.
 444  * @status: Valid only in case of response (0 in case of success)
 445  * @config_methods: WPS config methods
 446  * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
 447  *
 448  * This can be used to notify:
 449  * - Requests or responses
 450  * - Various config methods
 451  * - Failure condition in case of response
 452  */
 453 void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
 454                                          const u8 *dev_addr, int request,
 455                                          enum p2p_prov_disc_status status,
 456                                          u16 config_methods,
 457                                          unsigned int generated_pin)
 458 {
 459         wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
 460                                                  status, config_methods,
 461                                                  generated_pin);
 462 }
 463
 464
 465 void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
 466                                    struct wpa_ssid *ssid, int network_id,
 467                                    int client)
 468 {
 469         /* Notify a group has been started */
 470         wpas_dbus_register_p2p_group(wpa_s, ssid);
 471
 472         wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
 473 }
 474 #endif /* CONFIG_P2P */
 475
 476
 477 static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
 478                                           const u8 *sta)
 479 {
 480 #ifdef CONFIG_P2P
 481         /*
 482          * Register a group member object corresponding to this peer and
 483          * emit a PeerJoined signal. This will check if it really is a
 484          * P2P group.
 485          */
 486         wpas_dbus_register_p2p_groupmember(wpa_s, sta);
 487
 488         /*
 489          * Create 'peer-joined' signal on group object -- will also
 490          * check P2P itself.
 491          */
 492         wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
 493 #endif /* CONFIG_P2P */
 494 }
 495
 496
 497 static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
 498                                             const u8 *sta)
 499 {
 500 #ifdef CONFIG_P2P
 501         /*
 502          * Unregister a group member object corresponding to this peer
 503          * if this is a P2P group.
 504          */
 505         wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
 506
 507         /*
 508          * Create 'peer-disconnected' signal on group object if this
 509          * is a P2P group.
 510          */
 511         wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
 512 #endif /* CONFIG_P2P */
 513 }
 514
 515
 516 void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
 517                                 const u8 *mac_addr, int authorized)
 518 {
 519         if (authorized)
 520                 wpas_notify_ap_sta_authorized(wpa_s, mac_addr);
 521         else
 522                 wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
 523 }