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      1 /*
      2  * wpa_supplicant - Internal definitions
      3  * Copyright (c) 2003-2012, Jouni Malinen <j (at) 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 "config_ssid.h"
     16 
     17 extern const char *wpa_supplicant_version;
     18 extern const char *wpa_supplicant_license;
     19 #ifndef CONFIG_NO_STDOUT_DEBUG
     20 extern const char *wpa_supplicant_full_license1;
     21 extern const char *wpa_supplicant_full_license2;
     22 extern const char *wpa_supplicant_full_license3;
     23 extern const char *wpa_supplicant_full_license4;
     24 extern const char *wpa_supplicant_full_license5;
     25 #endif /* CONFIG_NO_STDOUT_DEBUG */
     26 
     27 struct wpa_sm;
     28 struct wpa_supplicant;
     29 struct ibss_rsn;
     30 struct scan_info;
     31 struct wpa_bss;
     32 struct wpa_scan_results;
     33 struct hostapd_hw_modes;
     34 struct wpa_driver_associate_params;
     35 
     36 /*
     37  * Forward declarations of private structures used within the ctrl_iface
     38  * backends. Other parts of wpa_supplicant do not have access to data stored in
     39  * these structures.
     40  */
     41 struct ctrl_iface_priv;
     42 struct ctrl_iface_global_priv;
     43 struct wpas_dbus_priv;
     44 
     45 /**
     46  * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
     47  */
     48 struct wpa_interface {
     49 	/**
     50 	 * confname - Configuration name (file or profile) name
     51 	 *
     52 	 * This can also be %NULL when a configuration file is not used. In
     53 	 * that case, ctrl_interface must be set to allow the interface to be
     54 	 * configured.
     55 	 */
     56 	const char *confname;
     57 
     58 	/**
     59 	 * confanother - Additional configuration name (file or profile) name
     60 	 *
     61 	 * This can also be %NULL when the additional configuration file is not
     62 	 * used.
     63 	 */
     64 	const char *confanother;
     65 
     66 	/**
     67 	 * ctrl_interface - Control interface parameter
     68 	 *
     69 	 * If a configuration file is not used, this variable can be used to
     70 	 * set the ctrl_interface parameter that would have otherwise been read
     71 	 * from the configuration file. If both confname and ctrl_interface are
     72 	 * set, ctrl_interface is used to override the value from configuration
     73 	 * file.
     74 	 */
     75 	const char *ctrl_interface;
     76 
     77 	/**
     78 	 * driver - Driver interface name, or %NULL to use the default driver
     79 	 */
     80 	const char *driver;
     81 
     82 	/**
     83 	 * driver_param - Driver interface parameters
     84 	 *
     85 	 * If a configuration file is not used, this variable can be used to
     86 	 * set the driver_param parameters that would have otherwise been read
     87 	 * from the configuration file. If both confname and driver_param are
     88 	 * set, driver_param is used to override the value from configuration
     89 	 * file.
     90 	 */
     91 	const char *driver_param;
     92 
     93 	/**
     94 	 * ifname - Interface name
     95 	 */
     96 	const char *ifname;
     97 
     98 	/**
     99 	 * bridge_ifname - Optional bridge interface name
    100 	 *
    101 	 * If the driver interface (ifname) is included in a Linux bridge
    102 	 * device, the bridge interface may need to be used for receiving EAPOL
    103 	 * frames. This can be enabled by setting this variable to enable
    104 	 * receiving of EAPOL frames from an additional interface.
    105 	 */
    106 	const char *bridge_ifname;
    107 };
    108 
    109 /**
    110  * struct wpa_params - Parameters for wpa_supplicant_init()
    111  */
    112 struct wpa_params {
    113 	/**
    114 	 * daemonize - Run %wpa_supplicant in the background
    115 	 */
    116 	int daemonize;
    117 
    118 	/**
    119 	 * wait_for_monitor - Wait for a monitor program before starting
    120 	 */
    121 	int wait_for_monitor;
    122 
    123 	/**
    124 	 * pid_file - Path to a PID (process ID) file
    125 	 *
    126 	 * If this and daemonize are set, process ID of the background process
    127 	 * will be written to the specified file.
    128 	 */
    129 	char *pid_file;
    130 
    131 	/**
    132 	 * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
    133 	 */
    134 	int wpa_debug_level;
    135 
    136 	/**
    137 	 * wpa_debug_show_keys - Whether keying material is included in debug
    138 	 *
    139 	 * This parameter can be used to allow keying material to be included
    140 	 * in debug messages. This is a security risk and this option should
    141 	 * not be enabled in normal configuration. If needed during
    142 	 * development or while troubleshooting, this option can provide more
    143 	 * details for figuring out what is happening.
    144 	 */
    145 	int wpa_debug_show_keys;
    146 
    147 	/**
    148 	 * wpa_debug_timestamp - Whether to include timestamp in debug messages
    149 	 */
    150 	int wpa_debug_timestamp;
    151 
    152 	/**
    153 	 * ctrl_interface - Global ctrl_iface path/parameter
    154 	 */
    155 	char *ctrl_interface;
    156 
    157 	/**
    158 	 * dbus_ctrl_interface - Enable the DBus control interface
    159 	 */
    160 	int dbus_ctrl_interface;
    161 
    162 	/**
    163 	 * wpa_debug_file_path - Path of debug file or %NULL to use stdout
    164 	 */
    165 	const char *wpa_debug_file_path;
    166 
    167 	/**
    168 	 * wpa_debug_syslog - Enable log output through syslog
    169 	 */
    170 	int wpa_debug_syslog;
    171 
    172 	/**
    173 	 * wpa_debug_tracing - Enable log output through Linux tracing
    174 	 */
    175 	int wpa_debug_tracing;
    176 
    177 	/**
    178 	 * override_driver - Optional driver parameter override
    179 	 *
    180 	 * This parameter can be used to override the driver parameter in
    181 	 * dynamic interface addition to force a specific driver wrapper to be
    182 	 * used instead.
    183 	 */
    184 	char *override_driver;
    185 
    186 	/**
    187 	 * override_ctrl_interface - Optional ctrl_interface override
    188 	 *
    189 	 * This parameter can be used to override the ctrl_interface parameter
    190 	 * in dynamic interface addition to force a control interface to be
    191 	 * created.
    192 	 */
    193 	char *override_ctrl_interface;
    194 
    195 	/**
    196 	 * entropy_file - Optional entropy file
    197 	 *
    198 	 * This parameter can be used to configure wpa_supplicant to maintain
    199 	 * its internal entropy store over restarts.
    200 	 */
    201 	char *entropy_file;
    202 };
    203 
    204 struct p2p_srv_bonjour {
    205 	struct dl_list list;
    206 	struct wpabuf *query;
    207 	struct wpabuf *resp;
    208 };
    209 
    210 struct p2p_srv_upnp {
    211 	struct dl_list list;
    212 	u8 version;
    213 	char *service;
    214 };
    215 
    216 struct wpa_freq_range {
    217 	unsigned int min;
    218 	unsigned int max;
    219 };
    220 
    221 
    222 /**
    223  * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
    224  *
    225  * This structure is initialized by calling wpa_supplicant_init() when starting
    226  * %wpa_supplicant.
    227  */
    228 struct wpa_global {
    229 	struct wpa_supplicant *ifaces;
    230 	struct wpa_params params;
    231 	struct ctrl_iface_global_priv *ctrl_iface;
    232 	struct wpas_dbus_priv *dbus;
    233 	void **drv_priv;
    234 	size_t drv_count;
    235 	struct os_time suspend_time;
    236 	struct p2p_data *p2p;
    237 	struct wpa_supplicant *p2p_init_wpa_s;
    238 	struct wpa_supplicant *p2p_group_formation;
    239 	struct wpa_supplicant *p2p_invite_group;
    240 	u8 p2p_dev_addr[ETH_ALEN];
    241 	struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
    242 	struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
    243 	int p2p_disabled;
    244 	int cross_connection;
    245 	struct wpa_freq_range *p2p_disallow_freq;
    246 	unsigned int num_p2p_disallow_freq;
    247 	enum wpa_conc_pref {
    248 		WPA_CONC_PREF_NOT_SET,
    249 		WPA_CONC_PREF_STA,
    250 		WPA_CONC_PREF_P2P
    251 	} conc_pref;
    252 	unsigned int p2p_cb_on_scan_complete:1;
    253 
    254 #ifdef CONFIG_WIFI_DISPLAY
    255 	int wifi_display;
    256 #define MAX_WFD_SUBELEMS 10
    257 	struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
    258 #endif /* CONFIG_WIFI_DISPLAY */
    259 };
    260 
    261 
    262 /**
    263  * offchannel_send_action_result - Result of offchannel send Action frame
    264  */
    265 enum offchannel_send_action_result {
    266 	OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
    267 	OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
    268 				       */,
    269 	OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
    270 				       */
    271 };
    272 
    273 struct wps_ap_info {
    274 	u8 bssid[ETH_ALEN];
    275 	enum wps_ap_info_type {
    276 		WPS_AP_NOT_SEL_REG,
    277 		WPS_AP_SEL_REG,
    278 		WPS_AP_SEL_REG_OUR
    279 	} type;
    280 	unsigned int tries;
    281 	struct os_time last_attempt;
    282 };
    283 
    284 struct wpa_ssid_value {
    285 	u8 ssid[32];
    286 	size_t ssid_len;
    287 };
    288 
    289 /**
    290  * struct wpa_supplicant - Internal data for wpa_supplicant interface
    291  *
    292  * This structure contains the internal data for core wpa_supplicant code. This
    293  * should be only used directly from the core code. However, a pointer to this
    294  * data is used from other files as an arbitrary context pointer in calls to
    295  * core functions.
    296  */
    297 struct wpa_supplicant {
    298 	struct wpa_global *global;
    299 	struct wpa_supplicant *parent;
    300 	struct wpa_supplicant *next;
    301 	struct l2_packet_data *l2;
    302 	struct l2_packet_data *l2_br;
    303 	unsigned char own_addr[ETH_ALEN];
    304 	char ifname[100];
    305 #ifdef CONFIG_CTRL_IFACE_DBUS
    306 	char *dbus_path;
    307 #endif /* CONFIG_CTRL_IFACE_DBUS */
    308 #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
    309 	char *dbus_new_path;
    310 	char *dbus_groupobj_path;
    311 #ifdef CONFIG_AP
    312 	char *preq_notify_peer;
    313 #endif /* CONFIG_AP */
    314 #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
    315 	char bridge_ifname[16];
    316 
    317 	char *confname;
    318 	char *confanother;
    319 	struct wpa_config *conf;
    320 	int countermeasures;
    321 	os_time_t last_michael_mic_error;
    322 	u8 bssid[ETH_ALEN];
    323 	u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
    324 				     * field contains the target BSSID. */
    325 	int reassociate; /* reassociation requested */
    326 	int disconnected; /* all connections disabled; i.e., do no reassociate
    327 			   * before this has been cleared */
    328 	struct wpa_ssid *current_ssid;
    329 	struct wpa_bss *current_bss;
    330 	int ap_ies_from_associnfo;
    331 	unsigned int assoc_freq;
    332 
    333 	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
    334 	int pairwise_cipher;
    335 	int group_cipher;
    336 	int key_mgmt;
    337 	int wpa_proto;
    338 	int mgmt_group_cipher;
    339 
    340 	void *drv_priv; /* private data used by driver_ops */
    341 	void *global_drv_priv;
    342 
    343 	u8 *bssid_filter;
    344 	size_t bssid_filter_count;
    345 
    346 	u8 *disallow_aps_bssid;
    347 	size_t disallow_aps_bssid_count;
    348 	struct wpa_ssid_value *disallow_aps_ssid;
    349 	size_t disallow_aps_ssid_count;
    350 
    351 	/* previous scan was wildcard when interleaving between
    352 	 * wildcard scans and specific SSID scan when max_ssids=1 */
    353 	int prev_scan_wildcard;
    354 	struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
    355 					  * NULL = not yet initialized (start
    356 					  * with wildcard SSID)
    357 					  * WILDCARD_SSID_SCAN = wildcard
    358 					  * SSID was used in the previous scan
    359 					  */
    360 #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
    361 
    362 	struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
    363 	int sched_scan_timeout;
    364 	int sched_scan_interval;
    365 	int first_sched_scan;
    366 	int sched_scan_timed_out;
    367 
    368 	void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
    369 				 struct wpa_scan_results *scan_res);
    370 	struct dl_list bss; /* struct wpa_bss::list */
    371 	struct dl_list bss_id; /* struct wpa_bss::list_id */
    372 	size_t num_bss;
    373 	unsigned int bss_update_idx;
    374 	unsigned int bss_next_id;
    375 
    376 	 /*
    377 	  * Pointers to BSS entries in the order they were in the last scan
    378 	  * results.
    379 	  */
    380 	struct wpa_bss **last_scan_res;
    381 	unsigned int last_scan_res_used;
    382 	unsigned int last_scan_res_size;
    383 	int last_scan_full;
    384 	struct os_time last_scan;
    385 
    386 	struct wpa_driver_ops *driver;
    387 	int interface_removed; /* whether the network interface has been
    388 				* removed */
    389 	struct wpa_sm *wpa;
    390 	struct eapol_sm *eapol;
    391 
    392 	struct ctrl_iface_priv *ctrl_iface;
    393 
    394 	enum wpa_states wpa_state;
    395 	int scanning;
    396 	int sched_scanning;
    397 	int new_connection;
    398 
    399 	int eapol_received; /* number of EAPOL packets received after the
    400 			     * previous association event */
    401 
    402 	struct scard_data *scard;
    403 #ifdef PCSC_FUNCS
    404 	char imsi[20];
    405 	int mnc_len;
    406 #endif /* PCSC_FUNCS */
    407 
    408 	unsigned char last_eapol_src[ETH_ALEN];
    409 
    410 	int keys_cleared;
    411 
    412 	struct wpa_blacklist *blacklist;
    413 
    414 	/**
    415 	 * extra_blacklist_count - Sum of blacklist counts after last connection
    416 	 *
    417 	 * This variable is used to maintain a count of temporary blacklisting
    418 	 * failures (maximum number for any BSS) over blacklist clear
    419 	 * operations. This is needed for figuring out whether there has been
    420 	 * failures prior to the last blacklist clear operation which happens
    421 	 * whenever no other not-blacklisted BSS candidates are available. This
    422 	 * gets cleared whenever a connection has been established successfully.
    423 	 */
    424 	int extra_blacklist_count;
    425 
    426 	/**
    427 	 * scan_req - Type of the scan request
    428 	 */
    429 	enum scan_req_type {
    430 		/**
    431 		 * NORMAL_SCAN_REQ - Normal scan request
    432 		 *
    433 		 * This is used for scans initiated by wpa_supplicant to find an
    434 		 * AP for a connection.
    435 		 */
    436 		NORMAL_SCAN_REQ,
    437 
    438 		/**
    439 		 * INITIAL_SCAN_REQ - Initial scan request
    440 		 *
    441 		 * This is used for the first scan on an interface to force at
    442 		 * least one scan to be run even if the configuration does not
    443 		 * include any enabled networks.
    444 		 */
    445 		INITIAL_SCAN_REQ,
    446 
    447 		/**
    448 		 * MANUAL_SCAN_REQ - Manual scan request
    449 		 *
    450 		 * This is used for scans where the user request a scan or
    451 		 * a specific wpa_supplicant operation (e.g., WPS) requires scan
    452 		 * to be run.
    453 		 */
    454 		MANUAL_SCAN_REQ
    455 	} scan_req;
    456 	struct os_time scan_trigger_time;
    457 	int scan_runs; /* number of scan runs since WPS was started */
    458 	int *next_scan_freqs;
    459 	int scan_interval; /* time in sec between scans to find suitable AP */
    460 	int normal_scans; /* normal scans run before sched_scan */
    461 	int scan_for_connection; /* whether the scan request was triggered for
    462 				  * finding a connection */
    463 
    464 	unsigned int drv_flags;
    465 	unsigned int drv_enc;
    466 
    467 	/*
    468 	 * A bitmap of supported protocols for probe response offload. See
    469 	 * struct wpa_driver_capa in driver.h
    470 	 */
    471 	unsigned int probe_resp_offloads;
    472 
    473 	/* extended capabilities supported by the driver */
    474 	const u8 *extended_capa, *extended_capa_mask;
    475 	unsigned int extended_capa_len;
    476 
    477 	int max_scan_ssids;
    478 	int max_sched_scan_ssids;
    479 	int sched_scan_supported;
    480 	unsigned int max_match_sets;
    481 	unsigned int max_remain_on_chan;
    482 	unsigned int max_stations;
    483 
    484 	int pending_mic_error_report;
    485 	int pending_mic_error_pairwise;
    486 	int mic_errors_seen; /* Michael MIC errors with the current PTK */
    487 
    488 	struct wps_context *wps;
    489 	int wps_success; /* WPS success event received */
    490 	struct wps_er *wps_er;
    491 	int blacklist_cleared;
    492 
    493 	struct wpabuf *pending_eapol_rx;
    494 	struct os_time pending_eapol_rx_time;
    495 	u8 pending_eapol_rx_src[ETH_ALEN];
    496 	unsigned int last_eapol_matches_bssid:1;
    497 
    498 	struct ibss_rsn *ibss_rsn;
    499 
    500 	int set_sta_uapsd;
    501 	int sta_uapsd;
    502 	int set_ap_uapsd;
    503 	int ap_uapsd;
    504 
    505 #ifdef CONFIG_SME
    506 	struct {
    507 		u8 ssid[32];
    508 		size_t ssid_len;
    509 		int freq;
    510 		u8 assoc_req_ie[200];
    511 		size_t assoc_req_ie_len;
    512 		int mfp;
    513 		int ft_used;
    514 		u8 mobility_domain[2];
    515 		u8 *ft_ies;
    516 		size_t ft_ies_len;
    517 		u8 prev_bssid[ETH_ALEN];
    518 		int prev_bssid_set;
    519 		int auth_alg;
    520 		int proto;
    521 
    522 		int sa_query_count; /* number of pending SA Query requests;
    523 				     * 0 = no SA Query in progress */
    524 		int sa_query_timed_out;
    525 		u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
    526 					* sa_query_count octets of pending
    527 					* SA Query transaction identifiers */
    528 		struct os_time sa_query_start;
    529 		u8 sched_obss_scan;
    530 		u16 obss_scan_int;
    531 		u16 bss_max_idle_period;
    532 #ifdef CONFIG_SAE
    533 		struct sae_data sae;
    534 		struct wpabuf *sae_token;
    535 		int sae_group_index;
    536 #endif /* CONFIG_SAE */
    537 	} sme;
    538 #endif /* CONFIG_SME */
    539 
    540 #ifdef CONFIG_AP
    541 	struct hostapd_iface *ap_iface;
    542 	void (*ap_configured_cb)(void *ctx, void *data);
    543 	void *ap_configured_cb_ctx;
    544 	void *ap_configured_cb_data;
    545 #endif /* CONFIG_AP */
    546 
    547 	unsigned int off_channel_freq;
    548 	struct wpabuf *pending_action_tx;
    549 	u8 pending_action_src[ETH_ALEN];
    550 	u8 pending_action_dst[ETH_ALEN];
    551 	u8 pending_action_bssid[ETH_ALEN];
    552 	unsigned int pending_action_freq;
    553 	int pending_action_no_cck;
    554 	int pending_action_without_roc;
    555 	void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
    556 					    unsigned int freq, const u8 *dst,
    557 					    const u8 *src, const u8 *bssid,
    558 					    const u8 *data, size_t data_len,
    559 					    enum offchannel_send_action_result
    560 					    result);
    561 	unsigned int roc_waiting_drv_freq;
    562 	int action_tx_wait_time;
    563 
    564 #ifdef CONFIG_P2P
    565 	struct p2p_go_neg_results *go_params;
    566 	int create_p2p_iface;
    567 	u8 pending_interface_addr[ETH_ALEN];
    568 	char pending_interface_name[100];
    569 	int pending_interface_type;
    570 	int p2p_group_idx;
    571 	unsigned int pending_listen_freq;
    572 	unsigned int pending_listen_duration;
    573 	enum {
    574 		NOT_P2P_GROUP_INTERFACE,
    575 		P2P_GROUP_INTERFACE_PENDING,
    576 		P2P_GROUP_INTERFACE_GO,
    577 		P2P_GROUP_INTERFACE_CLIENT
    578 	} p2p_group_interface;
    579 	struct p2p_group *p2p_group;
    580 	int p2p_long_listen; /* remaining time in long Listen state in ms */
    581 	char p2p_pin[10];
    582 	int p2p_wps_method;
    583 	u8 p2p_auth_invite[ETH_ALEN];
    584 	int p2p_sd_over_ctrl_iface;
    585 	int p2p_in_provisioning;
    586 	int pending_invite_ssid_id;
    587 	int show_group_started;
    588 	u8 go_dev_addr[ETH_ALEN];
    589 	int pending_pd_before_join;
    590 	u8 pending_join_iface_addr[ETH_ALEN];
    591 	u8 pending_join_dev_addr[ETH_ALEN];
    592 	int pending_join_wps_method;
    593 	int p2p_join_scan_count;
    594 	int auto_pd_scan_retry;
    595 	int force_long_sd;
    596 	u16 pending_pd_config_methods;
    597 	enum {
    598 		NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
    599 	} pending_pd_use;
    600 
    601 	/*
    602 	 * Whether cross connection is disallowed by the AP to which this
    603 	 * interface is associated (only valid if there is an association).
    604 	 */
    605 	int cross_connect_disallowed;
    606 
    607 	/*
    608 	 * Whether this P2P group is configured to use cross connection (only
    609 	 * valid if this is P2P GO interface). The actual cross connect packet
    610 	 * forwarding may not be configured depending on the uplink status.
    611 	 */
    612 	int cross_connect_enabled;
    613 
    614 	/* Whether cross connection forwarding is in use at the moment. */
    615 	int cross_connect_in_use;
    616 
    617 	/*
    618 	 * Uplink interface name for cross connection
    619 	 */
    620 	char cross_connect_uplink[100];
    621 
    622 	unsigned int sta_scan_pending:1;
    623 	unsigned int p2p_auto_join:1;
    624 	unsigned int p2p_auto_pd:1;
    625 	unsigned int p2p_persistent_group:1;
    626 	unsigned int p2p_fallback_to_go_neg:1;
    627 	unsigned int p2p_pd_before_go_neg:1;
    628 	unsigned int p2p_go_ht40:1;
    629 	unsigned int user_initiated_pd:1;
    630 	int p2p_persistent_go_freq;
    631 	int p2p_persistent_id;
    632 	int p2p_go_intent;
    633 	int p2p_connect_freq;
    634 	struct os_time p2p_auto_started;
    635 #endif /* CONFIG_P2P */
    636 
    637 	struct wpa_ssid *bgscan_ssid;
    638 	const struct bgscan_ops *bgscan;
    639 	void *bgscan_priv;
    640 
    641 	const struct autoscan_ops *autoscan;
    642 	struct wpa_driver_scan_params *autoscan_params;
    643 	void *autoscan_priv;
    644 
    645 	struct wpa_ssid *connect_without_scan;
    646 
    647 	struct wps_ap_info *wps_ap;
    648 	size_t num_wps_ap;
    649 	int wps_ap_iter;
    650 
    651 	int after_wps;
    652 	int known_wps_freq;
    653 	unsigned int wps_freq;
    654 	u16 wps_ap_channel;
    655 	int wps_fragment_size;
    656 	int auto_reconnect_disabled;
    657 
    658 	 /* Channel preferences for AP/P2P GO use */
    659 	int best_24_freq;
    660 	int best_5_freq;
    661 	int best_overall_freq;
    662 
    663 	struct gas_query *gas;
    664 
    665 #ifdef CONFIG_INTERWORKING
    666 	unsigned int fetch_anqp_in_progress:1;
    667 	unsigned int network_select:1;
    668 	unsigned int auto_select:1;
    669 	unsigned int auto_network_select:1;
    670 	unsigned int fetch_all_anqp:1;
    671 	struct wpa_bss *interworking_gas_bss;
    672 #endif /* CONFIG_INTERWORKING */
    673 	unsigned int drv_capa_known;
    674 
    675 	struct {
    676 		struct hostapd_hw_modes *modes;
    677 		u16 num_modes;
    678 		u16 flags;
    679 	} hw;
    680 
    681 	int pno;
    682 
    683 	/* WLAN_REASON_* reason codes. Negative if locally generated. */
    684 	int disconnect_reason;
    685 
    686 	struct ext_password_data *ext_pw;
    687 
    688 	struct wpabuf *last_gas_resp;
    689 	u8 last_gas_addr[ETH_ALEN];
    690 	u8 last_gas_dialog_token;
    691 
    692 	unsigned int no_keep_alive:1;
    693 };
    694 
    695 
    696 /* wpa_supplicant.c */
    697 void wpa_supplicant_apply_ht_overrides(
    698 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
    699 	struct wpa_driver_associate_params *params);
    700 void wpa_supplicant_apply_vht_overrides(
    701 	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
    702 	struct wpa_driver_associate_params *params);
    703 
    704 int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
    705 
    706 int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
    707 
    708 const char * wpa_supplicant_state_txt(enum wpa_states state);
    709 int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
    710 int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
    711 int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
    712 			      struct wpa_bss *bss, struct wpa_ssid *ssid,
    713 			      u8 *wpa_ie, size_t *wpa_ie_len);
    714 void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
    715 			      struct wpa_bss *bss,
    716 			      struct wpa_ssid *ssid);
    717 void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
    718 				       struct wpa_ssid *ssid);
    719 void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
    720 void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
    721 void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
    722 				     int sec, int usec);
    723 void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
    724 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
    725 			      enum wpa_states state);
    726 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
    727 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
    728 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
    729 void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
    730 				   int reason_code);
    731 
    732 void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
    733 				   struct wpa_ssid *ssid);
    734 void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
    735 				    struct wpa_ssid *ssid);
    736 void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
    737 				   struct wpa_ssid *ssid);
    738 int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
    739 			       int ap_scan);
    740 int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
    741 					  unsigned int expire_age);
    742 int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
    743 					    unsigned int expire_count);
    744 int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
    745 				     int scan_interval);
    746 int wpa_supplicant_set_debug_params(struct wpa_global *global,
    747 				    int debug_level, int debug_timestamp,
    748 				    int debug_show_keys);
    749 void free_hw_features(struct wpa_supplicant *wpa_s);
    750 
    751 void wpa_show_license(void);
    752 
    753 struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
    754 						 struct wpa_interface *iface);
    755 int wpa_supplicant_remove_iface(struct wpa_global *global,
    756 				struct wpa_supplicant *wpa_s,
    757 				int terminate);
    758 struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
    759 						 const char *ifname);
    760 struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
    761 int wpa_supplicant_run(struct wpa_global *global);
    762 void wpa_supplicant_deinit(struct wpa_global *global);
    763 
    764 int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
    765 			      struct wpa_ssid *ssid);
    766 void wpa_supplicant_terminate_proc(struct wpa_global *global);
    767 void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
    768 			     const u8 *buf, size_t len);
    769 enum wpa_key_mgmt key_mgmt2driver(int key_mgmt);
    770 void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
    771 void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
    772 void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
    773 int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
    774 int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
    775 void wpas_auth_failed(struct wpa_supplicant *wpa_s);
    776 void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
    777 			      struct wpa_ssid *ssid, int clear_failures);
    778 int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
    779 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
    780 		    size_t ssid_len);
    781 void wpas_request_connection(struct wpa_supplicant *wpa_s);
    782 int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf);
    783 
    784 /**
    785  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
    786  * @wpa_s: Pointer to wpa_supplicant data
    787  * @ssid: Pointer to the network block the reply is for
    788  * @field: field the response is a reply for
    789  * @value: value (ie, password, etc) for @field
    790  * Returns: 0 on success, non-zero on error
    791  *
    792  * Helper function to handle replies to control interface requests.
    793  */
    794 int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
    795 					      struct wpa_ssid *ssid,
    796 					      const char *field,
    797 					      const char *value);
    798 
    799 /* events.c */
    800 void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
    801 int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
    802 			   struct wpa_bss *selected,
    803 			   struct wpa_ssid *ssid);
    804 void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
    805 void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
    806 void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
    807 int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
    808 struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
    809 					     struct wpa_ssid **selected_ssid);
    810 
    811 /* eap_register.c */
    812 int eap_register_methods(void);
    813 
    814 /**
    815  * Utility method to tell if a given network is a persistent group
    816  * @ssid: Network object
    817  * Returns: 1 if network is a persistent group, 0 otherwise
    818  */
    819 static inline int network_is_persistent_group(struct wpa_ssid *ssid)
    820 {
    821 	return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
    822 }
    823 
    824 int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
    825 
    826 int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
    827 
    828 #endif /* WPA_SUPPLICANT_I_H */
    829