wpa_supplicant/wpa_supplicant_i.h

   1 /*
   2  * wpa_supplicant - Internal definitions
   3  * Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #ifndef WPA_SUPPLICANT_I_H
  10 #define WPA_SUPPLICANT_I_H
  11
  12 #include "utils/list.h"
  13 #include "common/defs.h"
  14 #include "common/sae.h"
  15 #include "common/wpa_ctrl.h"
  16 #include "wps/wps_defs.h"
  17 #include "config_ssid.h"
  18 #include "wmm_ac.h"
  19
  20 extern const char *wpa_supplicant_version;
  21 extern const char *wpa_supplicant_license;
  22 #ifndef CONFIG_NO_STDOUT_DEBUG
  23 extern const char *wpa_supplicant_full_license1;
  24 extern const char *wpa_supplicant_full_license2;
  25 extern const char *wpa_supplicant_full_license3;
  26 extern const char *wpa_supplicant_full_license4;
  27 extern const char *wpa_supplicant_full_license5;
  28 #endif /* CONFIG_NO_STDOUT_DEBUG */
  29
  30 struct wpa_sm;
  31 struct wpa_supplicant;
  32 struct ibss_rsn;
  33 struct scan_info;
  34 struct wpa_bss;
  35 struct wpa_scan_results;
  36 struct hostapd_hw_modes;
  37 struct wpa_driver_associate_params;
  38
  39 /*
  40  * Forward declarations of private structures used within the ctrl_iface
  41  * backends. Other parts of wpa_supplicant do not have access to data stored in
  42  * these structures.
  43  */
  44 struct ctrl_iface_priv;
  45 struct ctrl_iface_global_priv;
  46 struct wpas_dbus_priv;
  47
  48 /**
  49  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
  50  */
  51 struct wpa_interface {
  52         /**
  53          * confname - Configuration name (file or profile) name
  54          *
  55          * This can also be %NULL when a configuration file is not used. In
  56          * that case, ctrl_interface must be set to allow the interface to be
  57          * configured.
  58          */
  59         const char *confname;
  60
  61         /**
  62          * confanother - Additional configuration name (file or profile) name
  63          *
  64          * This can also be %NULL when the additional configuration file is not
  65          * used.
  66          */
  67         const char *confanother;
  68
  69 #ifdef CONFIG_P2P
  70         /**
  71          * conf_p2p_dev - Configuration file used to hold the
  72          * P2P Device configuration parameters.
  73          *
  74          * This can also be %NULL. In such a case, if a P2P Device dedicated
  75          * interfaces is created, the main configuration file will be used.
  76          */
  77         const char *conf_p2p_dev;
  78 #endif /* CONFIG_P2P */
  79
  80         /**
  81          * ctrl_interface - Control interface parameter
  82          *
  83          * If a configuration file is not used, this variable can be used to
  84          * set the ctrl_interface parameter that would have otherwise been read
  85          * from the configuration file. If both confname and ctrl_interface are
  86          * set, ctrl_interface is used to override the value from configuration
  87          * file.
  88          */
  89         const char *ctrl_interface;
  90
  91         /**
  92          * driver - Driver interface name, or %NULL to use the default driver
  93          */
  94         const char *driver;
  95
  96         /**
  97          * driver_param - Driver interface parameters
  98          *
  99          * If a configuration file is not used, this variable can be used to
 100          * set the driver_param parameters that would have otherwise been read
 101          * from the configuration file. If both confname and driver_param are
 102          * set, driver_param is used to override the value from configuration
 103          * file.
 104          */
 105         const char *driver_param;
 106
 107         /**
 108          * ifname - Interface name
 109          */
 110         const char *ifname;
 111
 112         /**
 113          * bridge_ifname - Optional bridge interface name
 114          *
 115          * If the driver interface (ifname) is included in a Linux bridge
 116          * device, the bridge interface may need to be used for receiving EAPOL
 117          * frames. This can be enabled by setting this variable to enable
 118          * receiving of EAPOL frames from an additional interface.
 119          */
 120         const char *bridge_ifname;
 121
 122         /**
 123          * p2p_mgmt - Interface used for P2P management (P2P Device operations)
 124          *
 125          * Indicates whether wpas_p2p_init() must be called for this interface.
 126          * This is used only when the driver supports a dedicated P2P Device
 127          * interface that is not a network interface.
 128          */
 129         int p2p_mgmt;
 130 };
 131
 132 /**
 133  * struct wpa_params - Parameters for wpa_supplicant_init()
 134  */
 135 struct wpa_params {
 136         /**
 137          * daemonize - Run %wpa_supplicant in the background
 138          */
 139         int daemonize;
 140
 141         /**
 142          * wait_for_monitor - Wait for a monitor program before starting
 143          */
 144         int wait_for_monitor;
 145
 146         /**
 147          * pid_file - Path to a PID (process ID) file
 148          *
 149          * If this and daemonize are set, process ID of the background process
 150          * will be written to the specified file.
 151          */
 152         char *pid_file;
 153
 154         /**
 155          * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
 156          */
 157         int wpa_debug_level;
 158
 159         /**
 160          * wpa_debug_show_keys - Whether keying material is included in debug
 161          *
 162          * This parameter can be used to allow keying material to be included
 163          * in debug messages. This is a security risk and this option should
 164          * not be enabled in normal configuration. If needed during
 165          * development or while troubleshooting, this option can provide more
 166          * details for figuring out what is happening.
 167          */
 168         int wpa_debug_show_keys;
 169
 170         /**
 171          * wpa_debug_timestamp - Whether to include timestamp in debug messages
 172          */
 173         int wpa_debug_timestamp;
 174
 175         /**
 176          * ctrl_interface - Global ctrl_iface path/parameter
 177          */
 178         char *ctrl_interface;
 179
 180         /**
 181          * ctrl_interface_group - Global ctrl_iface group
 182          */
 183         char *ctrl_interface_group;
 184
 185         /**
 186          * dbus_ctrl_interface - Enable the DBus control interface
 187          */
 188         int dbus_ctrl_interface;
 189
 190         /**
 191          * wpa_debug_file_path - Path of debug file or %NULL to use stdout
 192          */
 193         const char *wpa_debug_file_path;
 194
 195         /**
 196          * wpa_debug_syslog - Enable log output through syslog
 197          */
 198         int wpa_debug_syslog;
 199
 200         /**
 201          * wpa_debug_tracing - Enable log output through Linux tracing
 202          */
 203         int wpa_debug_tracing;
 204
 205         /**
 206          * override_driver - Optional driver parameter override
 207          *
 208          * This parameter can be used to override the driver parameter in
 209          * dynamic interface addition to force a specific driver wrapper to be
 210          * used instead.
 211          */
 212         char *override_driver;
 213
 214         /**
 215          * override_ctrl_interface - Optional ctrl_interface override
 216          *
 217          * This parameter can be used to override the ctrl_interface parameter
 218          * in dynamic interface addition to force a control interface to be
 219          * created.
 220          */
 221         char *override_ctrl_interface;
 222
 223         /**
 224          * entropy_file - Optional entropy file
 225          *
 226          * This parameter can be used to configure wpa_supplicant to maintain
 227          * its internal entropy store over restarts.
 228          */
 229         char *entropy_file;
 230 };
 231
 232 struct p2p_srv_bonjour {
 233         struct dl_list list;
 234         struct wpabuf *query;
 235         struct wpabuf *resp;
 236 };
 237
 238 struct p2p_srv_upnp {
 239         struct dl_list list;
 240         u8 version;
 241         char *service;
 242 };
 243
 244 /**
 245  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
 246  *
 247  * This structure is initialized by calling wpa_supplicant_init() when starting
 248  * %wpa_supplicant.
 249  */
 250 struct wpa_global {
 251         struct wpa_supplicant *ifaces;
 252         struct wpa_params params;
 253         struct ctrl_iface_global_priv *ctrl_iface;
 254         struct wpas_dbus_priv *dbus;
 255         void **drv_priv;
 256         size_t drv_count;
 257         struct os_time suspend_time;
 258         struct p2p_data *p2p;
 259         struct wpa_supplicant *p2p_init_wpa_s;
 260         struct wpa_supplicant *p2p_group_formation;
 261         struct wpa_supplicant *p2p_invite_group;
 262         u8 p2p_dev_addr[ETH_ALEN];
 263         struct os_reltime p2p_go_wait_client;
 264         struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
 265         struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
 266         int p2p_disabled;
 267         int cross_connection;
 268         struct wpa_freq_range_list p2p_disallow_freq;
 269         struct wpa_freq_range_list p2p_go_avoid_freq;
 270         enum wpa_conc_pref {
 271                 WPA_CONC_PREF_NOT_SET,
 272                 WPA_CONC_PREF_STA,
 273                 WPA_CONC_PREF_P2P
 274         } conc_pref;
 275         unsigned int p2p_per_sta_psk:1;
 276         unsigned int p2p_fail_on_wps_complete:1;
 277         unsigned int p2p_24ghz_social_channels:1;
 278
 279 #ifdef CONFIG_WIFI_DISPLAY
 280         int wifi_display;
 281 #define MAX_WFD_SUBELEMS 10
 282         struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
 283 #endif /* CONFIG_WIFI_DISPLAY */
 284
 285         struct psk_list_entry *add_psk; /* From group formation */
 286 };
 287
 288
 289 /**
 290  * struct wpa_radio - Internal data for per-radio information
 291  *
 292  * This structure is used to share data about configured interfaces
 293  * (struct wpa_supplicant) that share the same physical radio, e.g., to allow
 294  * better coordination of offchannel operations.
 295  */
 296 struct wpa_radio {
 297         char name[16]; /* from driver_ops get_radio_name() or empty if not
 298                         * available */
 299         struct dl_list ifaces; /* struct wpa_supplicant::radio_list entries */
 300         struct dl_list work; /* struct wpa_radio_work::list entries */
 301 };
 302
 303 /**
 304  * struct wpa_radio_work - Radio work item
 305  */
 306 struct wpa_radio_work {
 307         struct dl_list list;
 308         unsigned int freq; /* known frequency (MHz) or 0 for multiple/unknown */
 309         const char *type;
 310         struct wpa_supplicant *wpa_s;
 311         void (*cb)(struct wpa_radio_work *work, int deinit);
 312         void *ctx;
 313         unsigned int started:1;
 314         struct os_reltime time;
 315 };
 316
 317 int radio_add_work(struct wpa_supplicant *wpa_s, unsigned int freq,
 318                    const char *type, int next,
 319                    void (*cb)(struct wpa_radio_work *work, int deinit),
 320                    void *ctx);
 321 void radio_work_done(struct wpa_radio_work *work);
 322 void radio_remove_works(struct wpa_supplicant *wpa_s,
 323                         const char *type, int remove_all);
 324 void radio_work_check_next(struct wpa_supplicant *wpa_s);
 325 struct wpa_radio_work *
 326 radio_work_pending(struct wpa_supplicant *wpa_s, const char *type);
 327
 328 struct wpa_connect_work {
 329         unsigned int sme:1;
 330         unsigned int bss_removed:1;
 331         struct wpa_bss *bss;
 332         struct wpa_ssid *ssid;
 333 };
 334
 335 int wpas_valid_bss_ssid(struct wpa_supplicant *wpa_s, struct wpa_bss *test_bss,
 336                         struct wpa_ssid *test_ssid);
 337 void wpas_connect_work_free(struct wpa_connect_work *cwork);
 338 void wpas_connect_work_done(struct wpa_supplicant *wpa_s);
 339
 340 struct wpa_external_work {
 341         unsigned int id;
 342         char type[100];
 343         unsigned int timeout;
 344 };
 345
 346 /**
 347  * offchannel_send_action_result - Result of offchannel send Action frame
 348  */
 349 enum offchannel_send_action_result {
 350         OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
 351         OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
 352                                        */,
 353         OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
 354                                        */
 355 };
 356
 357 struct wps_ap_info {
 358         u8 bssid[ETH_ALEN];
 359         enum wps_ap_info_type {
 360                 WPS_AP_NOT_SEL_REG,
 361                 WPS_AP_SEL_REG,
 362                 WPS_AP_SEL_REG_OUR
 363         } type;
 364         unsigned int tries;
 365         struct os_reltime last_attempt;
 366 };
 367
 368 struct wpa_ssid_value {
 369         u8 ssid[32];
 370         size_t ssid_len;
 371 };
 372
 373 #define WPA_FREQ_USED_BY_INFRA_STATION BIT(0)
 374 #define WPA_FREQ_USED_BY_P2P_CLIENT BIT(1)
 375
 376 struct wpa_used_freq_data {
 377         int freq;
 378         unsigned int flags;
 379 };
 380
 381 /**
 382  * struct wpa_supplicant - Internal data for wpa_supplicant interface
 383  *
 384  * This structure contains the internal data for core wpa_supplicant code. This
 385  * should be only used directly from the core code. However, a pointer to this
 386  * data is used from other files as an arbitrary context pointer in calls to
 387  * core functions.
 388  */
 389 struct wpa_supplicant {
 390         struct wpa_global *global;
 391         struct wpa_radio *radio; /* shared radio context */
 392         struct dl_list radio_list; /* list head: struct wpa_radio::ifaces */
 393         struct wpa_supplicant *parent;
 394         struct wpa_supplicant *next;
 395         struct l2_packet_data *l2;
 396         struct l2_packet_data *l2_br;
 397         unsigned char own_addr[ETH_ALEN];
 398         unsigned char perm_addr[ETH_ALEN];
 399         char ifname[100];
 400 #ifdef CONFIG_CTRL_IFACE_DBUS
 401         char *dbus_path;
 402 #endif /* CONFIG_CTRL_IFACE_DBUS */
 403 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
 404         char *dbus_new_path;
 405         char *dbus_groupobj_path;
 406 #ifdef CONFIG_AP
 407         char *preq_notify_peer;
 408 #endif /* CONFIG_AP */
 409 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
 410         char bridge_ifname[16];
 411
 412         char *confname;
 413         char *confanother;
 414
 415         struct wpa_config *conf;
 416         int countermeasures;
 417         struct os_reltime last_michael_mic_error;
 418         u8 bssid[ETH_ALEN];
 419         u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
 420                                      * field contains the target BSSID. */
 421         int reassociate; /* reassociation requested */
 422         int disconnected; /* all connections disabled; i.e., do no reassociate
 423                            * before this has been cleared */
 424         struct wpa_ssid *current_ssid;
 425         struct wpa_ssid *last_ssid;
 426         struct wpa_bss *current_bss;
 427         int ap_ies_from_associnfo;
 428         unsigned int assoc_freq;
 429
 430         /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
 431         int pairwise_cipher;
 432         int group_cipher;
 433         int key_mgmt;
 434         int wpa_proto;
 435         int mgmt_group_cipher;
 436
 437         void *drv_priv; /* private data used by driver_ops */
 438         void *global_drv_priv;
 439
 440         u8 *bssid_filter;
 441         size_t bssid_filter_count;
 442
 443         u8 *disallow_aps_bssid;
 444         size_t disallow_aps_bssid_count;
 445         struct wpa_ssid_value *disallow_aps_ssid;
 446         size_t disallow_aps_ssid_count;
 447
 448         enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
 449
 450         /* Preferred network for the next connection attempt */
 451         struct wpa_ssid *next_ssid;
 452
 453         /* previous scan was wildcard when interleaving between
 454          * wildcard scans and specific SSID scan when max_ssids=1 */
 455         int prev_scan_wildcard;
 456         struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
 457                                           * NULL = not yet initialized (start
 458                                           * with wildcard SSID)
 459                                           * WILDCARD_SSID_SCAN = wildcard
 460                                           * SSID was used in the previous scan
 461                                           */
 462 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
 463
 464         struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
 465         int sched_scan_timeout;
 466         int sched_scan_interval;
 467         int first_sched_scan;
 468         int sched_scan_timed_out;
 469
 470         void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
 471                                  struct wpa_scan_results *scan_res);
 472         struct dl_list bss; /* struct wpa_bss::list */
 473         struct dl_list bss_id; /* struct wpa_bss::list_id */
 474         size_t num_bss;
 475         unsigned int bss_update_idx;
 476         unsigned int bss_next_id;
 477
 478          /*
 479           * Pointers to BSS entries in the order they were in the last scan
 480           * results.
 481           */
 482         struct wpa_bss **last_scan_res;
 483         unsigned int last_scan_res_used;
 484         unsigned int last_scan_res_size;
 485         struct os_reltime last_scan;
 486
 487         struct wpa_driver_ops *driver;
 488         int interface_removed; /* whether the network interface has been
 489                                 * removed */
 490         struct wpa_sm *wpa;
 491         struct eapol_sm *eapol;
 492
 493         struct ctrl_iface_priv *ctrl_iface;
 494
 495         enum wpa_states wpa_state;
 496         struct wpa_radio_work *scan_work;
 497         int scanning;
 498         int sched_scanning;
 499         int new_connection;
 500
 501         int eapol_received; /* number of EAPOL packets received after the
 502                              * previous association event */
 503
 504         struct scard_data *scard;
 505         char imsi[20];
 506         int mnc_len;
 507
 508         unsigned char last_eapol_src[ETH_ALEN];
 509
 510         unsigned int keys_cleared; /* bitfield of key indexes that the driver is
 511                                     * known not to be configured with a key */
 512
 513         struct wpa_blacklist *blacklist;
 514
 515         /**
 516          * extra_blacklist_count - Sum of blacklist counts after last connection
 517          *
 518          * This variable is used to maintain a count of temporary blacklisting
 519          * failures (maximum number for any BSS) over blacklist clear
 520          * operations. This is needed for figuring out whether there has been
 521          * failures prior to the last blacklist clear operation which happens
 522          * whenever no other not-blacklisted BSS candidates are available. This
 523          * gets cleared whenever a connection has been established successfully.
 524          */
 525         int extra_blacklist_count;
 526
 527         /**
 528          * scan_req - Type of the scan request
 529          */
 530         enum scan_req_type {
 531                 /**
 532                  * NORMAL_SCAN_REQ - Normal scan request
 533                  *
 534                  * This is used for scans initiated by wpa_supplicant to find an
 535                  * AP for a connection.
 536                  */
 537                 NORMAL_SCAN_REQ,
 538
 539                 /**
 540                  * INITIAL_SCAN_REQ - Initial scan request
 541                  *
 542                  * This is used for the first scan on an interface to force at
 543                  * least one scan to be run even if the configuration does not
 544                  * include any enabled networks.
 545                  */
 546                 INITIAL_SCAN_REQ,
 547
 548                 /**
 549                  * MANUAL_SCAN_REQ - Manual scan request
 550                  *
 551                  * This is used for scans where the user request a scan or
 552                  * a specific wpa_supplicant operation (e.g., WPS) requires scan
 553                  * to be run.
 554                  */
 555                 MANUAL_SCAN_REQ
 556         } scan_req, last_scan_req;
 557         struct os_reltime scan_trigger_time, scan_start_time;
 558         int scan_runs; /* number of scan runs since WPS was started */
 559         int *next_scan_freqs;
 560         int *manual_scan_freqs;
 561         int *manual_sched_scan_freqs;
 562         unsigned int manual_scan_passive:1;
 563         unsigned int manual_scan_use_id:1;
 564         unsigned int manual_scan_only_new:1;
 565         unsigned int own_scan_requested:1;
 566         unsigned int own_scan_running:1;
 567         unsigned int external_scan_running:1;
 568         unsigned int clear_driver_scan_cache:1;
 569         unsigned int manual_scan_id;
 570         int scan_interval; /* time in sec between scans to find suitable AP */
 571         int normal_scans; /* normal scans run before sched_scan */
 572         int scan_for_connection; /* whether the scan request was triggered for
 573                                   * finding a connection */
 574 #define MAX_SCAN_ID 16
 575         int scan_id[MAX_SCAN_ID];
 576         unsigned int scan_id_count;
 577
 578         u64 drv_flags;
 579         unsigned int drv_enc;
 580         unsigned int drv_smps_modes;
 581         unsigned int drv_rrm_flags;
 582
 583         /*
 584          * A bitmap of supported protocols for probe response offload. See
 585          * struct wpa_driver_capa in driver.h
 586          */
 587         unsigned int probe_resp_offloads;
 588
 589         /* extended capabilities supported by the driver */
 590         const u8 *extended_capa, *extended_capa_mask;
 591         unsigned int extended_capa_len;
 592
 593         int max_scan_ssids;
 594         int max_sched_scan_ssids;
 595         int sched_scan_supported;
 596         unsigned int max_match_sets;
 597         unsigned int max_remain_on_chan;
 598         unsigned int max_stations;
 599
 600         int pending_mic_error_report;
 601         int pending_mic_error_pairwise;
 602         int mic_errors_seen; /* Michael MIC errors with the current PTK */
 603
 604         struct wps_context *wps;
 605         int wps_success; /* WPS success event received */
 606         struct wps_er *wps_er;
 607         unsigned int wps_run;
 608         int blacklist_cleared;
 609
 610         struct wpabuf *pending_eapol_rx;
 611         struct os_reltime pending_eapol_rx_time;
 612         u8 pending_eapol_rx_src[ETH_ALEN];
 613         unsigned int last_eapol_matches_bssid:1;
 614         unsigned int eap_expected_failure:1;
 615         unsigned int reattach:1; /* reassociation to the same BSS requested */
 616         unsigned int mac_addr_changed:1;
 617
 618         struct os_reltime last_mac_addr_change;
 619         int last_mac_addr_style;
 620
 621         struct ibss_rsn *ibss_rsn;
 622
 623         int set_sta_uapsd;
 624         int sta_uapsd;
 625         int set_ap_uapsd;
 626         int ap_uapsd;
 627
 628 #ifdef CONFIG_SME
 629         struct {
 630                 u8 ssid[32];
 631                 size_t ssid_len;
 632                 int freq;
 633                 u8 assoc_req_ie[200];
 634                 size_t assoc_req_ie_len;
 635                 int mfp;
 636                 int ft_used;
 637                 u8 mobility_domain[2];
 638                 u8 *ft_ies;
 639                 size_t ft_ies_len;
 640                 u8 prev_bssid[ETH_ALEN];
 641                 int prev_bssid_set;
 642                 int auth_alg;
 643                 int proto;
 644
 645                 int sa_query_count; /* number of pending SA Query requests;
 646                                      * 0 = no SA Query in progress */
 647                 int sa_query_timed_out;
 648                 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
 649                                         * sa_query_count octets of pending
 650                                         * SA Query transaction identifiers */
 651                 struct os_reltime sa_query_start;
 652                 struct os_reltime last_unprot_disconnect;
 653                 u8 sched_obss_scan;
 654                 u16 obss_scan_int;
 655                 u16 bss_max_idle_period;
 656 #ifdef CONFIG_SAE
 657                 struct sae_data sae;
 658                 struct wpabuf *sae_token;
 659                 int sae_group_index;
 660                 unsigned int sae_pmksa_caching:1;
 661 #endif /* CONFIG_SAE */
 662         } sme;
 663 #endif /* CONFIG_SME */
 664
 665 #ifdef CONFIG_AP
 666         struct hostapd_iface *ap_iface;
 667         void (*ap_configured_cb)(void *ctx, void *data);
 668         void *ap_configured_cb_ctx;
 669         void *ap_configured_cb_data;
 670 #endif /* CONFIG_AP */
 671
 672         struct hostapd_iface *ifmsh;
 673 #ifdef CONFIG_MESH
 674         struct mesh_rsn *mesh_rsn;
 675 #endif /* CONFIG_MESH */
 676
 677         unsigned int off_channel_freq;
 678         struct wpabuf *pending_action_tx;
 679         u8 pending_action_src[ETH_ALEN];
 680         u8 pending_action_dst[ETH_ALEN];
 681         u8 pending_action_bssid[ETH_ALEN];
 682         unsigned int pending_action_freq;
 683         int pending_action_no_cck;
 684         int pending_action_without_roc;
 685         unsigned int pending_action_tx_done:1;
 686         void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
 687                                             unsigned int freq, const u8 *dst,
 688                                             const u8 *src, const u8 *bssid,
 689                                             const u8 *data, size_t data_len,
 690                                             enum offchannel_send_action_result
 691                                             result);
 692         unsigned int roc_waiting_drv_freq;
 693         int action_tx_wait_time;
 694
 695         int p2p_mgmt;
 696
 697 #ifdef CONFIG_P2P
 698         struct wpa_supplicant *p2p_dev;
 699         struct p2p_go_neg_results *go_params;
 700         int create_p2p_iface;
 701         u8 pending_interface_addr[ETH_ALEN];
 702         char pending_interface_name[100];
 703         int pending_interface_type;
 704         int p2p_group_idx;
 705         unsigned int pending_listen_freq;
 706         unsigned int pending_listen_duration;
 707         enum {
 708                 NOT_P2P_GROUP_INTERFACE,
 709                 P2P_GROUP_INTERFACE_PENDING,
 710                 P2P_GROUP_INTERFACE_GO,
 711                 P2P_GROUP_INTERFACE_CLIENT
 712         } p2p_group_interface;
 713         struct p2p_group *p2p_group;
 714         int p2p_long_listen; /* remaining time in long Listen state in ms */
 715         char p2p_pin[10];
 716         int p2p_wps_method;
 717         u8 p2p_auth_invite[ETH_ALEN];
 718         int p2p_sd_over_ctrl_iface;
 719         int p2p_in_provisioning;
 720         int p2p_in_invitation;
 721         int p2p_invite_go_freq;
 722         int pending_invite_ssid_id;
 723         int show_group_started;
 724         u8 go_dev_addr[ETH_ALEN];
 725         int pending_pd_before_join;
 726         u8 pending_join_iface_addr[ETH_ALEN];
 727         u8 pending_join_dev_addr[ETH_ALEN];
 728         int pending_join_wps_method;
 729         u8 p2p_join_ssid[32];
 730         size_t p2p_join_ssid_len;
 731         int p2p_join_scan_count;
 732         int auto_pd_scan_retry;
 733         int force_long_sd;
 734         u16 pending_pd_config_methods;
 735         enum {
 736                 NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
 737         } pending_pd_use;
 738
 739         /*
 740          * Whether cross connection is disallowed by the AP to which this
 741          * interface is associated (only valid if there is an association).
 742          */
 743         int cross_connect_disallowed;
 744
 745         /*
 746          * Whether this P2P group is configured to use cross connection (only
 747          * valid if this is P2P GO interface). The actual cross connect packet
 748          * forwarding may not be configured depending on the uplink status.
 749          */
 750         int cross_connect_enabled;
 751
 752         /* Whether cross connection forwarding is in use at the moment. */
 753         int cross_connect_in_use;
 754
 755         /*
 756          * Uplink interface name for cross connection
 757          */
 758         char cross_connect_uplink[100];
 759
 760         unsigned int p2p_auto_join:1;
 761         unsigned int p2p_auto_pd:1;
 762         unsigned int p2p_persistent_group:1;
 763         unsigned int p2p_fallback_to_go_neg:1;
 764         unsigned int p2p_pd_before_go_neg:1;
 765         unsigned int p2p_go_ht40:1;
 766         unsigned int p2p_go_vht:1;
 767         unsigned int user_initiated_pd:1;
 768         unsigned int p2p_go_group_formation_completed:1;
 769         unsigned int group_formation_reported:1;
 770         unsigned int waiting_presence_resp;
 771         int p2p_first_connection_timeout;
 772         unsigned int p2p_nfc_tag_enabled:1;
 773         unsigned int p2p_peer_oob_pk_hash_known:1;
 774         unsigned int p2p_disable_ip_addr_req:1;
 775         int p2p_persistent_go_freq;
 776         int p2p_persistent_id;
 777         int p2p_go_intent;
 778         int p2p_connect_freq;
 779         struct os_reltime p2p_auto_started;
 780         struct wpa_ssid *p2p_last_4way_hs_fail;
 781         struct wpa_radio_work *p2p_scan_work;
 782         struct wpa_radio_work *p2p_listen_work;
 783         struct wpa_radio_work *p2p_send_action_work;
 784
 785         u16 p2p_oob_dev_pw_id; /* OOB Device Password Id for group formation */
 786         struct wpabuf *p2p_oob_dev_pw; /* OOB Device Password for group
 787                                         * formation */
 788         u8 p2p_peer_oob_pubkey_hash[WPS_OOB_PUBKEY_HASH_LEN];
 789         u8 p2p_ip_addr_info[3 * 4];
 790
 791         /* group common frequencies */
 792         int *p2p_group_common_freqs;
 793         unsigned int p2p_group_common_freqs_num;
 794 #endif /* CONFIG_P2P */
 795
 796         struct wpa_ssid *bgscan_ssid;
 797         const struct bgscan_ops *bgscan;
 798         void *bgscan_priv;
 799
 800         const struct autoscan_ops *autoscan;
 801         struct wpa_driver_scan_params *autoscan_params;
 802         void *autoscan_priv;
 803
 804         struct wpa_ssid *connect_without_scan;
 805
 806         struct wps_ap_info *wps_ap;
 807         size_t num_wps_ap;
 808         int wps_ap_iter;
 809
 810         int after_wps;
 811         int known_wps_freq;
 812         unsigned int wps_freq;
 813         int wps_fragment_size;
 814         int auto_reconnect_disabled;
 815
 816          /* Channel preferences for AP/P2P GO use */
 817         int best_24_freq;
 818         int best_5_freq;
 819         int best_overall_freq;
 820
 821         struct gas_query *gas;
 822
 823 #ifdef CONFIG_INTERWORKING
 824         unsigned int fetch_anqp_in_progress:1;
 825         unsigned int network_select:1;
 826         unsigned int auto_select:1;
 827         unsigned int auto_network_select:1;
 828         unsigned int fetch_all_anqp:1;
 829         unsigned int fetch_osu_info:1;
 830         unsigned int fetch_osu_icon_in_progress:1;
 831         struct wpa_bss *interworking_gas_bss;
 832         unsigned int osu_icon_id;
 833         struct osu_provider *osu_prov;
 834         size_t osu_prov_count;
 835         struct os_reltime osu_icon_fetch_start;
 836         unsigned int num_osu_scans;
 837         unsigned int num_prov_found;
 838 #endif /* CONFIG_INTERWORKING */
 839         unsigned int drv_capa_known;
 840
 841         struct {
 842                 struct hostapd_hw_modes *modes;
 843                 u16 num_modes;
 844                 u16 flags;
 845         } hw;
 846 #ifdef CONFIG_MACSEC
 847         struct ieee802_1x_kay *kay;
 848 #endif /* CONFIG_MACSEC */
 849
 850         int pno;
 851         int pno_sched_pending;
 852
 853         /* WLAN_REASON_* reason codes. Negative if locally generated. */
 854         int disconnect_reason;
 855
 856         struct ext_password_data *ext_pw;
 857
 858         struct wpabuf *last_gas_resp, *prev_gas_resp;
 859         u8 last_gas_addr[ETH_ALEN], prev_gas_addr[ETH_ALEN];
 860         u8 last_gas_dialog_token, prev_gas_dialog_token;
 861
 862         unsigned int no_keep_alive:1;
 863         unsigned int ext_mgmt_frame_handling:1;
 864         unsigned int ext_eapol_frame_io:1;
 865         unsigned int wmm_ac_supported:1;
 866
 867 #ifdef CONFIG_WNM
 868         u8 wnm_dialog_token;
 869         u8 wnm_reply;
 870         u8 wnm_num_neighbor_report;
 871         u8 wnm_mode;
 872         u16 wnm_dissoc_timer;
 873         u8 wnm_bss_termination_duration[12];
 874         struct neighbor_report *wnm_neighbor_report_elements;
 875         struct os_reltime wnm_cand_valid_until;
 876         u8 wnm_cand_from_bss[ETH_ALEN];
 877 #endif /* CONFIG_WNM */
 878
 879 #ifdef CONFIG_TESTING_GET_GTK
 880         u8 last_gtk[32];
 881         size_t last_gtk_len;
 882 #endif /* CONFIG_TESTING_GET_GTK */
 883
 884         unsigned int num_multichan_concurrent;
 885         struct wpa_radio_work *connect_work;
 886
 887         unsigned int ext_work_id;
 888
 889         struct wpabuf *vendor_elem[NUM_VENDOR_ELEM_FRAMES];
 890
 891 #ifdef CONFIG_TESTING_OPTIONS
 892         struct l2_packet_data *l2_test;
 893         unsigned int extra_roc_dur;
 894 #endif /* CONFIG_TESTING_OPTIONS */
 895
 896         struct wmm_ac_assoc_data *wmm_ac_assoc_info;
 897         struct wmm_tspec_element *tspecs[WMM_AC_NUM][TS_DIR_IDX_COUNT];
 898         struct wmm_ac_addts_request *addts_request;
 899         u8 wmm_ac_last_dialog_token;
 900 };
 901
 902
 903 /* wpa_supplicant.c */
 904 void wpa_supplicant_apply_ht_overrides(
 905         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 906         struct wpa_driver_associate_params *params);
 907 void wpa_supplicant_apply_vht_overrides(
 908         struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 909         struct wpa_driver_associate_params *params);
 910
 911 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
 912 int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
 913                                     struct wpa_ssid *ssid);
 914
 915 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
 916
 917 const char * wpa_supplicant_state_txt(enum wpa_states state);
 918 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
 919 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
 920 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
 921                               struct wpa_bss *bss, struct wpa_ssid *ssid,
 922                               u8 *wpa_ie, size_t *wpa_ie_len);
 923 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 924                               struct wpa_bss *bss,
 925                               struct wpa_ssid *ssid);
 926 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
 927                                        struct wpa_ssid *ssid);
 928 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
 929 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
 930 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
 931                                      int sec, int usec);
 932 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
 933 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
 934                               enum wpa_states state);
 935 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
 936 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
 937 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
 938 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
 939                                    int reason_code);
 940
 941 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
 942                                    struct wpa_ssid *ssid);
 943 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
 944                                     struct wpa_ssid *ssid);
 945 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
 946                                    struct wpa_ssid *ssid);
 947 int wpas_set_pkcs11_engine_and_module_path(struct wpa_supplicant *wpa_s,
 948                                            const char *pkcs11_engine_path,
 949                                            const char *pkcs11_module_path);
 950 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
 951                                int ap_scan);
 952 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
 953                                           unsigned int expire_age);
 954 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
 955                                             unsigned int expire_count);
 956 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
 957                                      int scan_interval);
 958 int wpa_supplicant_set_debug_params(struct wpa_global *global,
 959                                     int debug_level, int debug_timestamp,
 960                                     int debug_show_keys);
 961 void free_hw_features(struct wpa_supplicant *wpa_s);
 962
 963 void wpa_show_license(void);
 964
 965 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
 966                                                  struct wpa_interface *iface);
 967 int wpa_supplicant_remove_iface(struct wpa_global *global,
 968                                 struct wpa_supplicant *wpa_s,
 969                                 int terminate);
 970 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
 971                                                  const char *ifname);
 972 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
 973 int wpa_supplicant_run(struct wpa_global *global);
 974 void wpa_supplicant_deinit(struct wpa_global *global);
 975
 976 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
 977                               struct wpa_ssid *ssid);
 978 void wpa_supplicant_terminate_proc(struct wpa_global *global);
 979 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
 980                              const u8 *buf, size_t len);
 981 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
 982 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
 983 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
 984 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
 985 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
 986 void wpas_auth_failed(struct wpa_supplicant *wpa_s, char *reason);
 987 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
 988                               struct wpa_ssid *ssid, int clear_failures);
 989 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
 990 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
 991                     size_t ssid_len);
 992 void wpas_request_connection(struct wpa_supplicant *wpa_s);
 993 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen);
 994 int wpas_update_random_addr(struct wpa_supplicant *wpa_s, int style);
 995 int wpas_update_random_addr_disassoc(struct wpa_supplicant *wpa_s);
 996 void add_freq(int *freqs, int *num_freqs, int freq);
 997
 998 /**
 999  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
1000  * @wpa_s: Pointer to wpa_supplicant data
1001  * @ssid: Pointer to the network block the reply is for
1002  * @field: field the response is a reply for
1003  * @value: value (ie, password, etc) for @field
1004  * Returns: 0 on success, non-zero on error
1005  *
1006  * Helper function to handle replies to control interface requests.
1007  */
1008 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
1009                                               struct wpa_ssid *ssid,
1010                                               const char *field,
1011                                               const char *value);
1012
1013 /* events.c */
1014 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
1015 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
1016                            struct wpa_bss *selected,
1017                            struct wpa_ssid *ssid);
1018 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
1019 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
1020 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
1021 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
1022 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
1023                                              struct wpa_ssid **selected_ssid);
1024
1025 /* eap_register.c */
1026 int eap_register_methods(void);
1027
1028 /**
1029  * Utility method to tell if a given network is a persistent group
1030  * @ssid: Network object
1031  * Returns: 1 if network is a persistent group, 0 otherwise
1032  */
1033 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
1034 {
1035         return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
1036 }
1037
1038 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
1039
1040 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
1041
1042 void dump_freq_data(struct wpa_supplicant *wpa_s, const char *title,
1043                     struct wpa_used_freq_data *freqs_data,
1044                     unsigned int len);
1045
1046 int get_shared_radio_freqs_data(struct wpa_supplicant *wpa_s,
1047                                 struct wpa_used_freq_data *freqs_data,
1048                                 unsigned int len);
1049 int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
1050                            int *freq_array, unsigned int len);
1051
1052 #endif /* WPA_SUPPLICANT_I_H */