[thirdparty/hostap.git] / wpa_supplicant / wpa_supplicant_i.h

/*
 * wpa_supplicant - Internal definitions
 * Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Alternatively, this software may be distributed under the terms of BSD
 * license.
 *
 * See README and COPYING for more details.
 */

#ifndef WPA_SUPPLICANT_I_H
#define WPA_SUPPLICANT_I_H

#include "utils/list.h"
#include "common/defs.h"

extern const char *wpa_supplicant_version;
extern const char *wpa_supplicant_license;
#ifndef CONFIG_NO_STDOUT_DEBUG
extern const char *wpa_supplicant_full_license1;
extern const char *wpa_supplicant_full_license2;
extern const char *wpa_supplicant_full_license3;
extern const char *wpa_supplicant_full_license4;
extern const char *wpa_supplicant_full_license5;
#endif /* CONFIG_NO_STDOUT_DEBUG */

struct wpa_sm;
struct wpa_supplicant;
struct ibss_rsn;
struct scan_info;
struct wpa_bss;
struct wpa_scan_results;
struct hostapd_hw_modes;

/*
 * Forward declarations of private structures used within the ctrl_iface
 * backends. Other parts of wpa_supplicant do not have access to data stored in
 * these structures.
 */
struct ctrl_iface_priv;
struct ctrl_iface_global_priv;
struct wpas_dbus_priv;

/**
 * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
 */
struct wpa_interface {
	/**
	 * confname - Configuration name (file or profile) name
	 *
	 * This can also be %NULL when a configuration file is not used. In
	 * that case, ctrl_interface must be set to allow the interface to be
	 * configured.
	 */
	const char *confname;

	/**
	 * ctrl_interface - Control interface parameter
	 *
	 * If a configuration file is not used, this variable can be used to
	 * set the ctrl_interface parameter that would have otherwise been read
	 * from the configuration file. If both confname and ctrl_interface are
	 * set, ctrl_interface is used to override the value from configuration
	 * file.
	 */
	const char *ctrl_interface;

	/**
	 * driver - Driver interface name, or %NULL to use the default driver
	 */
	const char *driver;

	/**
	 * driver_param - Driver interface parameters
	 *
	 * If a configuration file is not used, this variable can be used to
	 * set the driver_param parameters that would have otherwise been read
	 * from the configuration file. If both confname and driver_param are
	 * set, driver_param is used to override the value from configuration
	 * file.
	 */
	const char *driver_param;

	/**
	 * ifname - Interface name
	 */
	const char *ifname;

	/**
	 * bridge_ifname - Optional bridge interface name
	 *
	 * If the driver interface (ifname) is included in a Linux bridge
	 * device, the bridge interface may need to be used for receiving EAPOL
	 * frames. This can be enabled by setting this variable to enable
	 * receiving of EAPOL frames from an additional interface.
	 */
	const char *bridge_ifname;
};

/**
 * struct wpa_params - Parameters for wpa_supplicant_init()
 */
struct wpa_params {
	/**
	 * daemonize - Run %wpa_supplicant in the background
	 */
	int daemonize;

	/**
	 * wait_for_monitor - Wait for a monitor program before starting
	 */
	int wait_for_monitor;

	/**
	 * pid_file - Path to a PID (process ID) file
	 *
	 * If this and daemonize are set, process ID of the background process
	 * will be written to the specified file.
	 */
	char *pid_file;

	/**
	 * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
	 */
	int wpa_debug_level;

	/**
	 * wpa_debug_show_keys - Whether keying material is included in debug
	 *
	 * This parameter can be used to allow keying material to be included
	 * in debug messages. This is a security risk and this option should
	 * not be enabled in normal configuration. If needed during
	 * development or while troubleshooting, this option can provide more
	 * details for figuring out what is happening.
	 */
	int wpa_debug_show_keys;

	/**
	 * wpa_debug_timestamp - Whether to include timestamp in debug messages
	 */
	int wpa_debug_timestamp;

	/**
	 * ctrl_interface - Global ctrl_iface path/parameter
	 */
	char *ctrl_interface;

	/**
	 * dbus_ctrl_interface - Enable the DBus control interface
	 */
	int dbus_ctrl_interface;

	/**
	 * wpa_debug_file_path - Path of debug file or %NULL to use stdout
	 */
	const char *wpa_debug_file_path;

	/**
	 * wpa_debug_syslog - Enable log output through syslog
	 */
	int wpa_debug_syslog;

	/**
	 * override_driver - Optional driver parameter override
	 *
	 * This parameter can be used to override the driver parameter in
	 * dynamic interface addition to force a specific driver wrapper to be
	 * used instead.
	 */
	char *override_driver;

	/**
	 * override_ctrl_interface - Optional ctrl_interface override
	 *
	 * This parameter can be used to override the ctrl_interface parameter
	 * in dynamic interface addition to force a control interface to be
	 * created.
	 */
	char *override_ctrl_interface;
};

struct p2p_srv_bonjour {
	struct dl_list list;
	struct wpabuf *query;
	struct wpabuf *resp;
};

struct p2p_srv_upnp {
	struct dl_list list;
	u8 version;
	char *service;
};

/**
 * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
 *
 * This structure is initialized by calling wpa_supplicant_init() when starting
 * %wpa_supplicant.
 */
struct wpa_global {
	struct wpa_supplicant *ifaces;
	struct wpa_params params;
	struct ctrl_iface_global_priv *ctrl_iface;
	struct wpas_dbus_priv *dbus;
	void **drv_priv;
	size_t drv_count;
	struct os_time suspend_time;
	struct p2p_data *p2p;
	struct wpa_supplicant *p2p_group_formation;
	u8 p2p_dev_addr[ETH_ALEN];
	struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
	struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
	int p2p_disabled;
	int cross_connection;
};


struct wpa_client_mlme {
#ifdef CONFIG_CLIENT_MLME
	enum {
		IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
		IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
		IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
	} state;
	u8 prev_bssid[ETH_ALEN];
	u8 ssid[32];
	size_t ssid_len;
	u16 aid;
	u16 ap_capab, capab;
	u8 *extra_ie; /* to be added to the end of AssocReq */
	size_t extra_ie_len;
	u8 *extra_probe_ie; /* to be added to the end of ProbeReq */
	size_t extra_probe_ie_len;
	enum wpa_key_mgmt key_mgmt;

	/* The last AssocReq/Resp IEs */
	u8 *assocreq_ies, *assocresp_ies;
	size_t assocreq_ies_len, assocresp_ies_len;

	int auth_tries, assoc_tries;

	unsigned int ssid_set:1;
	unsigned int bssid_set:1;
	unsigned int prev_bssid_set:1;
	unsigned int authenticated:1;
	unsigned int associated:1;
	unsigned int probereq_poll:1;
	unsigned int use_protection:1;
	unsigned int create_ibss:1;
	unsigned int mixed_cell:1;
	unsigned int wmm_enabled:1;

	struct os_time last_probe;

	unsigned int auth_algs; /* bitfield of allowed auth algs
				 * (WPA_AUTH_ALG_*) */
	int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
	int auth_transaction;

	struct os_time ibss_join_req;
	u8 *probe_resp; /* ProbeResp template for IBSS */
	size_t probe_resp_len;
	u32 supp_rates_bits;

	int wmm_last_param_set;

	int sta_scanning;
	int scan_hw_mode_idx;
	int scan_channel_idx;
	enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
	struct os_time last_scan_completed;
	int scan_oper_channel;
	int scan_oper_freq;
	int scan_oper_phymode;
	u8 scan_ssid[32];
	size_t scan_ssid_len;
	int scan_skip_11b;
	int *scan_freqs;

	struct ieee80211_sta_bss *sta_bss_list;
#define STA_HASH_SIZE 256
#define STA_HASH(sta) (sta[5])
	struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];

	int cts_protect_erp_frames;

	enum hostapd_hw_mode phymode; /* current mode */
	struct hostapd_hw_modes *modes;
	size_t num_modes;
	unsigned int hw_modes; /* bitfield of allowed hardware modes;
				* (1 << HOSTAPD_MODE_*) */
	int num_curr_rates;
	int *curr_rates;
	int freq; /* The current frequency in MHz */
	int channel; /* The current IEEE 802.11 channel number */

#ifdef CONFIG_IEEE80211R
	u8 current_md[6];
	u8 *ft_ies;
	size_t ft_ies_len;
#endif /* CONFIG_IEEE80211R */

	void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
				 int freq);
	void *public_action_cb_ctx;

#else /* CONFIG_CLIENT_MLME */
	int dummy; /* to keep MSVC happy */
#endif /* CONFIG_CLIENT_MLME */
};

/**
 * struct wpa_supplicant - Internal data for wpa_supplicant interface
 *
 * This structure contains the internal data for core wpa_supplicant code. This
 * should be only used directly from the core code. However, a pointer to this
 * data is used from other files as an arbitrary context pointer in calls to
 * core functions.
 */
struct wpa_supplicant {
	struct wpa_global *global;
	struct wpa_supplicant *parent;
	struct wpa_supplicant *next;
	struct l2_packet_data *l2;
	struct l2_packet_data *l2_br;
	unsigned char own_addr[ETH_ALEN];
	char ifname[100];
#ifdef CONFIG_CTRL_IFACE_DBUS
	char *dbus_path;
#endif /* CONFIG_CTRL_IFACE_DBUS */
#ifdef CONFIG_CTRL_IFACE_DBUS_NEW
	char *dbus_new_path;
#endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
	char bridge_ifname[16];

	char *confname;
	struct wpa_config *conf;
	int countermeasures;
	os_time_t last_michael_mic_error;
	u8 bssid[ETH_ALEN];
	u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
				     * field contains the targer BSSID. */
	int reassociate; /* reassociation requested */
	int disconnected; /* all connections disabled; i.e., do no reassociate
			   * before this has been cleared */
	struct wpa_ssid *current_ssid;
	struct wpa_bss *current_bss;
	int ap_ies_from_associnfo;
	unsigned int assoc_freq;

	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
	int pairwise_cipher;
	int group_cipher;
	int key_mgmt;
	int mgmt_group_cipher;

	void *drv_priv; /* private data used by driver_ops */
	void *global_drv_priv;

	struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
					  * NULL = not yet initialized (start
					  * with wildcard SSID)
					  * WILDCARD_SSID_SCAN = wildcard
					  * SSID was used in the previous scan
					  */
#define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)

	void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
				 struct wpa_scan_results *scan_res);
	struct dl_list bss; /* struct wpa_bss::list */
	struct dl_list bss_id; /* struct wpa_bss::list_id */
	size_t num_bss;
	unsigned int bss_update_idx;
	unsigned int bss_next_id;

	struct wpa_driver_ops *driver;
	int interface_removed; /* whether the network interface has been
				* removed */
	struct wpa_sm *wpa;
	struct eapol_sm *eapol;

	struct ctrl_iface_priv *ctrl_iface;

	enum wpa_states wpa_state;
	int scanning;
	int new_connection;
	int reassociated_connection;

	int eapol_received; /* number of EAPOL packets received after the
			     * previous association event */

	struct scard_data *scard;

	unsigned char last_eapol_src[ETH_ALEN];

	int keys_cleared;

	struct wpa_blacklist *blacklist;

	int scan_req; /* manual scan request; this forces a scan even if there
		       * are no enabled networks in the configuration */
	int scan_runs; /* number of scan runs since WPS was started */
	int *next_scan_freqs;

	struct wpa_client_mlme mlme;
	unsigned int drv_flags;
	int max_scan_ssids;
	unsigned int max_remain_on_chan;
	unsigned int max_stations;

	int pending_mic_error_report;
	int pending_mic_error_pairwise;
	int mic_errors_seen; /* Michael MIC errors with the current PTK */

	struct wps_context *wps;
	int wps_success; /* WPS success event received */
	struct wps_er *wps_er;
	int blacklist_cleared;

	struct wpabuf *pending_eapol_rx;
	struct os_time pending_eapol_rx_time;
	u8 pending_eapol_rx_src[ETH_ALEN];

	struct ibss_rsn *ibss_rsn;

	int set_sta_uapsd;
	int sta_uapsd;
	int set_ap_uapsd;
	int ap_uapsd;

#ifdef CONFIG_SME
	struct {
		u8 ssid[32];
		size_t ssid_len;
		int freq;
		u8 assoc_req_ie[200];
		size_t assoc_req_ie_len;
		int mfp;
		int ft_used;
		u8 mobility_domain[2];
		u8 *ft_ies;
		size_t ft_ies_len;
		u8 prev_bssid[ETH_ALEN];
		int prev_bssid_set;
		int auth_alg;
	} sme;
#endif /* CONFIG_SME */

#ifdef CONFIG_AP
	struct hostapd_iface *ap_iface;
	void (*ap_configured_cb)(void *ctx, void *data);
	void *ap_configured_cb_ctx;
	void *ap_configured_cb_data;
#endif /* CONFIG_AP */

#ifdef CONFIG_P2P
	struct p2p_go_neg_results *go_params;
	int create_p2p_iface;
	u8 pending_interface_addr[ETH_ALEN];
	char pending_interface_name[100];
	int pending_interface_type;
	int p2p_group_idx;
	unsigned int off_channel_freq;
	struct wpabuf *pending_action_tx;
	u8 pending_action_src[ETH_ALEN];
	u8 pending_action_dst[ETH_ALEN];
	u8 pending_action_bssid[ETH_ALEN];
	unsigned int pending_action_freq;
	int pending_action_without_roc;
	unsigned int pending_listen_freq;
	unsigned int pending_listen_duration;
	enum {
		NOT_P2P_GROUP_INTERFACE,
		P2P_GROUP_INTERFACE_PENDING,
		P2P_GROUP_INTERFACE_GO,
		P2P_GROUP_INTERFACE_CLIENT
	} p2p_group_interface;
	struct p2p_group *p2p_group;
	int p2p_long_listen;
	char p2p_pin[10];
	int p2p_wps_method;
	u8 p2p_auth_invite[ETH_ALEN];
	int p2p_sd_over_ctrl_iface;
	int p2p_in_provisioning;
	int pending_invite_ssid_id;
	int show_group_started;
	u8 go_dev_addr[ETH_ALEN];
	int pending_pd_before_join;
	u8 pending_join_iface_addr[ETH_ALEN];
	u8 pending_join_dev_addr[ETH_ALEN];
	int pending_join_wps_method;
	int p2p_join_scan_count;
	unsigned int roc_waiting_drv_freq;
	int force_long_sd;

	/*
	 * Whether cross connection is disallowed by the AP to which this
	 * interface is associated (only valid if there is an association).
	 */
	int cross_connect_disallowed;

	/*
	 * Whether this P2P group is configured to use cross connection (only
	 * valid if this is P2P GO interface). The actual cross connect packet
	 * forwarding may not be configured depending on the uplink status.
	 */
	int cross_connect_enabled;

	/* Whether cross connection forwarding is in use at the moment. */
	int cross_connect_in_use;

	/*
	 * Uplink interface name for cross connection
	 */
	char cross_connect_uplink[100];

	enum {
		P2P_GROUP_REMOVAL_UNKNOWN,
		P2P_GROUP_REMOVAL_REQUESTED,
		P2P_GROUP_REMOVAL_IDLE_TIMEOUT,
		P2P_GROUP_REMOVAL_UNAVAILABLE
	} removal_reason;
#endif /* CONFIG_P2P */

	struct wpa_ssid *bgscan_ssid;
	const struct bgscan_ops *bgscan;
	void *bgscan_priv;

	int connect_without_scan;

	int after_wps;
	unsigned int wps_freq;
	int wps_fragment_size;
	int auto_reconnect_disabled;

	 /* Channel preferences for AP/P2P GO use */
	int best_24_freq;
	int best_5_freq;
	int best_overall_freq;
};


/* wpa_supplicant.c */
int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);

int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);

const char * wpa_supplicant_state_txt(enum wpa_states state);
int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
			      struct wpa_bss *bss, struct wpa_ssid *ssid,
			      u8 *wpa_ie, size_t *wpa_ie_len);
void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
			      struct wpa_bss *bss,
			      struct wpa_ssid *ssid);
void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
				       struct wpa_ssid *ssid);
void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
				     int sec, int usec);
void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
			      enum wpa_states state);
struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
				   int reason_code);
void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
				 int reason_code);

void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
				   struct wpa_ssid *ssid);
void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
				    struct wpa_ssid *ssid);
void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
				   struct wpa_ssid *ssid);
int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
			       int ap_scan);
int wpa_supplicant_set_debug_params(struct wpa_global *global,
				    int debug_level, int debug_timestamp,
				    int debug_show_keys);

void wpa_show_license(void);

struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
						 struct wpa_interface *iface);
int wpa_supplicant_remove_iface(struct wpa_global *global,
				struct wpa_supplicant *wpa_s);
struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
						 const char *ifname);
struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
int wpa_supplicant_run(struct wpa_global *global);
void wpa_supplicant_deinit(struct wpa_global *global);

int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
			      struct wpa_ssid *ssid);
void wpa_supplicant_terminate_proc(struct wpa_global *global);
void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
			     const u8 *buf, size_t len);
enum wpa_key_mgmt key_mgmt2driver(int key_mgmt);
enum wpa_cipher cipher_suite2driver(int cipher);
void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
void ieee80211_sta_free_hw_features(struct hostapd_hw_modes *hw_features,
				    size_t num_hw_features);
void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);

/* events.c */
void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
			    struct wpa_bss *selected,
			    struct wpa_ssid *ssid);

/* eap_register.c */
int eap_register_methods(void);

#endif /* WPA_SUPPLICANT_I_H */
Commit	Line	Data
6fc6879b JM	1	/*
6fc6879b JM	2	* wpa_supplicant - Internal definitions
207ef3fb	3	* Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi>
6fc6879b JM	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	#ifndef WPA_SUPPLICANT_I_H
	16	#define WPA_SUPPLICANT_I_H
	17
83922c2d	18	#include "utils/list.h"
2d5b792d	19	#include "common/defs.h"
6fc6879b	20
7e5ba1b9 JM	21	extern const char *wpa_supplicant_version;
	22	extern const char *wpa_supplicant_license;
	23	#ifndef CONFIG_NO_STDOUT_DEBUG
	24	extern const char *wpa_supplicant_full_license1;
	25	extern const char *wpa_supplicant_full_license2;
	26	extern const char *wpa_supplicant_full_license3;
	27	extern const char *wpa_supplicant_full_license4;
	28	extern const char *wpa_supplicant_full_license5;
	29	#endif /* CONFIG_NO_STDOUT_DEBUG */
	30
6fc6879b JM	31	struct wpa_sm;
6fc6879b JM	32	struct wpa_supplicant;
11ef8d35	33	struct ibss_rsn;
8d923a4a	34	struct scan_info;
6fa81a3b	35	struct wpa_bss;
64e58f51	36	struct wpa_scan_results;
0ae2aa14	37	struct hostapd_hw_modes;
6fc6879b JM	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;
8ddef94b	46	struct wpas_dbus_priv;
6fc6879b JM	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	* ctrl_interface - Control interface parameter
	63	*
	64	* If a configuration file is not used, this variable can be used to
	65	* set the ctrl_interface parameter that would have otherwise been read
	66	* from the configuration file. If both confname and ctrl_interface are
	67	* set, ctrl_interface is used to override the value from configuration
	68	* file.
	69	*/
	70	const char *ctrl_interface;
	71
	72	/**
	73	* driver - Driver interface name, or %NULL to use the default driver
	74	*/
	75	const char *driver;
	76
	77	/**
	78	* driver_param - Driver interface parameters
	79	*
	80	* If a configuration file is not used, this variable can be used to
	81	* set the driver_param parameters that would have otherwise been read
	82	* from the configuration file. If both confname and driver_param are
	83	* set, driver_param is used to override the value from configuration
	84	* file.
	85	*/
	86	const char *driver_param;
	87
	88	/**
	89	* ifname - Interface name
	90	*/
	91	const char *ifname;
	92
	93	/**
	94	* bridge_ifname - Optional bridge interface name
	95	*
	96	* If the driver interface (ifname) is included in a Linux bridge
	97	* device, the bridge interface may need to be used for receiving EAPOL
	98	* frames. This can be enabled by setting this variable to enable
	99	* receiving of EAPOL frames from an additional interface.
	100	*/
	101	const char *bridge_ifname;
	102	};
	103
	104	/**
	105	* struct wpa_params - Parameters for wpa_supplicant_init()
	106	*/
	107	struct wpa_params {
	108	/**
	109	* daemonize - Run %wpa_supplicant in the background
	110	*/
111	int daemonize;
112
113	/**
114	* wait_for_monitor - Wait for a monitor program before starting
115	*/
116	int wait_for_monitor;
117
118	/**
119	* pid_file - Path to a PID (process ID) file
120	*
121	* If this and daemonize are set, process ID of the background process
122	* will be written to the specified file.
123	*/
124	char *pid_file;
125
126	/**
127	* wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
128	*/
129	int wpa_debug_level;
130
131	/**
132	* wpa_debug_show_keys - Whether keying material is included in debug
133	*
134	* This parameter can be used to allow keying material to be included
135	* in debug messages. This is a security risk and this option should
136	* not be enabled in normal configuration. If needed during
137	* development or while troubleshooting, this option can provide more
138	* details for figuring out what is happening.
139	*/
140	int wpa_debug_show_keys;
141
142	/**
143	* wpa_debug_timestamp - Whether to include timestamp in debug messages
144	*/
145	int wpa_debug_timestamp;
146
147	/**
148	* ctrl_interface - Global ctrl_iface path/parameter
149	*/
150	char *ctrl_interface;
151
152	/**
153	* dbus_ctrl_interface - Enable the DBus control interface
154	*/
155	int dbus_ctrl_interface;
156
157	/**
158	* wpa_debug_file_path - Path of debug file or %NULL to use stdout
159	*/
160	const char *wpa_debug_file_path;
daa70d49 SL	161
	162	/**
	163	* wpa_debug_syslog - Enable log output through syslog
	164	*/
	165	int wpa_debug_syslog;
d27df100 JM	166
	167	/**
	168	* override_driver - Optional driver parameter override
	169	*
	170	* This parameter can be used to override the driver parameter in
	171	* dynamic interface addition to force a specific driver wrapper to be
	172	* used instead.
	173	*/
	174	char *override_driver;
	175
	176	/**
	177	* override_ctrl_interface - Optional ctrl_interface override
	178	*
	179	* This parameter can be used to override the ctrl_interface parameter
	180	* in dynamic interface addition to force a control interface to be
	181	* created.
	182	*/
	183	char *override_ctrl_interface;
6fc6879b JM	184	};
6fc6879b JM	185
b22128ef JM	186	struct p2p_srv_bonjour {
	187	struct dl_list list;
	188	struct wpabuf *query;
	189	struct wpabuf *resp;
	190	};
	191
	192	struct p2p_srv_upnp {
	193	struct dl_list list;
	194	u8 version;
	195	char *service;
	196	};
	197
6fc6879b JM	198	/**
	199	* struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
	200	*
	201	* This structure is initialized by calling wpa_supplicant_init() when starting
	202	* %wpa_supplicant.
	203	*/
	204	struct wpa_global {
	205	struct wpa_supplicant *ifaces;
	206	struct wpa_params params;
	207	struct ctrl_iface_global_priv *ctrl_iface;
8ddef94b	208	struct wpas_dbus_priv *dbus;
ac305589 JM	209	void **drv_priv;
ac305589 JM	210	size_t drv_count;
207ef3fb	211	struct os_time suspend_time;
b22128ef JM	212	struct p2p_data *p2p;
	213	struct wpa_supplicant *p2p_group_formation;
	214	u8 p2p_dev_addr[ETH_ALEN];
	215	struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
	216	struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
	217	int p2p_disabled;
72044390	218	int cross_connection;
6fc6879b JM	219	};
	220
	221
	222	struct wpa_client_mlme {
	223	#ifdef CONFIG_CLIENT_MLME
	224	enum {
	225	IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
	226	IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
	227	IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
	228	} state;
	229	u8 prev_bssid[ETH_ALEN];
	230	u8 ssid[32];
	231	size_t ssid_len;
	232	u16 aid;
	233	u16 ap_capab, capab;
	234	u8 extra_ie; / to be added to the end of AssocReq */
	235	size_t extra_ie_len;
	236	u8 extra_probe_ie; / to be added to the end of ProbeReq */
	237	size_t extra_probe_ie_len;
71934751	238	enum wpa_key_mgmt key_mgmt;
6fc6879b JM	239
	240	/* The last AssocReq/Resp IEs */
	241	u8 assocreq_ies, assocresp_ies;
	242	size_t assocreq_ies_len, assocresp_ies_len;
	243
	244	int auth_tries, assoc_tries;
	245
	246	unsigned int ssid_set:1;
	247	unsigned int bssid_set:1;
	248	unsigned int prev_bssid_set:1;
	249	unsigned int authenticated:1;
	250	unsigned int associated:1;
	251	unsigned int probereq_poll:1;
	252	unsigned int use_protection:1;
	253	unsigned int create_ibss:1;
	254	unsigned int mixed_cell:1;
	255	unsigned int wmm_enabled:1;
	256
	257	struct os_time last_probe;
	258
abd9fafa JM	259	unsigned int auth_algs; /* bitfield of allowed auth algs
abd9fafa JM	260	* (WPA_AUTH_ALG_) /
6fc6879b JM	261	int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
	262	int auth_transaction;
	263
	264	struct os_time ibss_join_req;
	265	u8 probe_resp; / ProbeResp template for IBSS */
	266	size_t probe_resp_len;
	267	u32 supp_rates_bits;
	268
	269	int wmm_last_param_set;
	270
	271	int sta_scanning;
	272	int scan_hw_mode_idx;
	273	int scan_channel_idx;
	274	enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
	275	struct os_time last_scan_completed;
	276	int scan_oper_channel;
	277	int scan_oper_freq;
	278	int scan_oper_phymode;
	279	u8 scan_ssid[32];
	280	size_t scan_ssid_len;
	281	int scan_skip_11b;
d009a9da	282	int *scan_freqs;
6fc6879b JM	283
	284	struct ieee80211_sta_bss *sta_bss_list;
	285	#define STA_HASH_SIZE 256
	286	#define STA_HASH(sta) (sta[5])
	287	struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
	288
	289	int cts_protect_erp_frames;
	290
71934751	291	enum hostapd_hw_mode phymode; /* current mode */
6caf9ca6	292	struct hostapd_hw_modes *modes;
6fc6879b JM	293	size_t num_modes;
6fc6879b JM	294	unsigned int hw_modes; /* bitfield of allowed hardware modes;
6caf9ca6	295	* (1 << HOSTAPD_MODE_) /
6fc6879b	296	int num_curr_rates;
fb7842aa	297	int *curr_rates;
6fc6879b JM	298	int freq; /* The current frequency in MHz */
	299	int channel; /* The current IEEE 802.11 channel number */
	300
	301	#ifdef CONFIG_IEEE80211R
	302	u8 current_md[6];
	303	u8 *ft_ies;
	304	size_t ft_ies_len;
	305	#endif /* CONFIG_IEEE80211R */
	306
c706d5aa JM	307	void (public_action_cb)(void ctx, const u8 *buf, size_t len,
	308	int freq);
	309	void *public_action_cb_ctx;
	310
6fc6879b JM	311	#else /* CONFIG_CLIENT_MLME */
	312	int dummy; /* to keep MSVC happy */
	313	#endif /* CONFIG_CLIENT_MLME */
	314	};
	315
	316	/**
	317	* struct wpa_supplicant - Internal data for wpa_supplicant interface
	318	*
	319	* This structure contains the internal data for core wpa_supplicant code. This
	320	* should be only used directly from the core code. However, a pointer to this
	321	* data is used from other files as an arbitrary context pointer in calls to
	322	* core functions.
	323	*/
	324	struct wpa_supplicant {
	325	struct wpa_global *global;
b22128ef	326	struct wpa_supplicant *parent;
6fc6879b JM	327	struct wpa_supplicant *next;
	328	struct l2_packet_data *l2;
	329	struct l2_packet_data *l2_br;
	330	unsigned char own_addr[ETH_ALEN];
	331	char ifname[100];
	332	#ifdef CONFIG_CTRL_IFACE_DBUS
	333	char *dbus_path;
	334	#endif /* CONFIG_CTRL_IFACE_DBUS */
8fc2fb56 WS	335	#ifdef CONFIG_CTRL_IFACE_DBUS_NEW
	336	char *dbus_new_path;
	337	#endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
6fc6879b JM	338	char bridge_ifname[16];
	339
	340	char *confname;
	341	struct wpa_config *conf;
	342	int countermeasures;
	343	os_time_t last_michael_mic_error;
	344	u8 bssid[ETH_ALEN];
	345	u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
	346	* field contains the targer BSSID. */
	347	int reassociate; /* reassociation requested */
	348	int disconnected; /* all connections disabled; i.e., do no reassociate
	349	* before this has been cleared */
	350	struct wpa_ssid *current_ssid;
8f770587	351	struct wpa_bss *current_bss;
6fc6879b	352	int ap_ies_from_associnfo;
4832ecd7	353	unsigned int assoc_freq;
6fc6879b JM	354
	355	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
	356	int pairwise_cipher;
	357	int group_cipher;
	358	int key_mgmt;
	359	int mgmt_group_cipher;
	360
	361	void drv_priv; / private data used by driver_ops */
8a5ab9f5	362	void *global_drv_priv;
6fc6879b JM	363
	364	struct wpa_ssid prev_scan_ssid; / previously scanned SSID;
	365	* NULL = not yet initialized (start
ba2a573c JM	366	* with wildcard SSID)
ba2a573c JM	367	* WILDCARD_SSID_SCAN = wildcard
6fc6879b JM	368	* SSID was used in the previous scan
6fc6879b JM	369	*/
ba2a573c	370	#define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
6fc6879b	371
64e58f51 JM	372	void (scan_res_handler)(struct wpa_supplicant wpa_s,
64e58f51 JM	373	struct wpa_scan_results *scan_res);
83922c2d	374	struct dl_list bss; /* struct wpa_bss::list */
d4bf8f13	375	struct dl_list bss_id; /* struct wpa_bss::list_id */
83922c2d JM	376	size_t num_bss;
	377	unsigned int bss_update_idx;
	378	unsigned int bss_next_id;
6fc6879b JM	379
	380	struct wpa_driver_ops *driver;
	381	int interface_removed; /* whether the network interface has been
	382	* removed */
	383	struct wpa_sm *wpa;
	384	struct eapol_sm *eapol;
	385
	386	struct ctrl_iface_priv *ctrl_iface;
	387
71934751	388	enum wpa_states wpa_state;
cb8564b1	389	int scanning;
6fc6879b JM	390	int new_connection;
	391	int reassociated_connection;
	392
	393	int eapol_received; /* number of EAPOL packets received after the
	394	* previous association event */
	395
	396	struct scard_data *scard;
	397
	398	unsigned char last_eapol_src[ETH_ALEN];
	399
	400	int keys_cleared;
	401
	402	struct wpa_blacklist *blacklist;
	403
	404	int scan_req; /* manual scan request; this forces a scan even if there
	405	* are no enabled networks in the configuration */
a6099152	406	int scan_runs; /* number of scan runs since WPS was started */
f47d639d	407	int *next_scan_freqs;
6fc6879b JM	408
6fc6879b JM	409	struct wpa_client_mlme mlme;
c2a04078	410	unsigned int drv_flags;
80bc75f1	411	int max_scan_ssids;
814782b9	412	unsigned int max_remain_on_chan;
c4ea4c5c	413	unsigned int max_stations;
46690a3b JM	414
	415	int pending_mic_error_report;
	416	int pending_mic_error_pairwise;
	417	int mic_errors_seen; /* Michael MIC errors with the current PTK */
116654ce JM	418
116654ce JM	419	struct wps_context *wps;
a6099152	420	int wps_success; /* WPS success event received */
e9bcfebf	421	struct wps_er *wps_er;
a6099152	422	int blacklist_cleared;
11ef8d35	423
1ff73338 JM	424	struct wpabuf *pending_eapol_rx;
	425	struct os_time pending_eapol_rx_time;
	426	u8 pending_eapol_rx_src[ETH_ALEN];
	427
11ef8d35	428	struct ibss_rsn *ibss_rsn;
c2a04078	429
eea2fd9e JM	430	int set_sta_uapsd;
	431	int sta_uapsd;
	432	int set_ap_uapsd;
	433	int ap_uapsd;
	434
c2a04078 JM	435	#ifdef CONFIG_SME
	436	struct {
	437	u8 ssid[32];
	438	size_t ssid_len;
	439	int freq;
b22128ef	440	u8 assoc_req_ie[200];
c2a04078 JM	441	size_t assoc_req_ie_len;
	442	int mfp;
	443	int ft_used;
	444	u8 mobility_domain[2];
	445	u8 *ft_ies;
	446	size_t ft_ies_len;
62fa124c JM	447	u8 prev_bssid[ETH_ALEN];
62fa124c JM	448	int prev_bssid_set;
62c72d72	449	int auth_alg;
c2a04078 JM	450	} sme;
c2a04078 JM	451	#endif /* CONFIG_SME */
2d5b792d JM	452
	453	#ifdef CONFIG_AP
	454	struct hostapd_iface *ap_iface;
4b768ed0 JM	455	void (ap_configured_cb)(void ctx, void *data);
	456	void *ap_configured_cb_ctx;
	457	void *ap_configured_cb_data;
2d5b792d	458	#endif /* CONFIG_AP */
60b94c98	459
b22128ef JM	460	#ifdef CONFIG_P2P
	461	struct p2p_go_neg_results *go_params;
	462	int create_p2p_iface;
	463	u8 pending_interface_addr[ETH_ALEN];
0f85ef5c	464	char pending_interface_name[100];
b22128ef JM	465	int pending_interface_type;
	466	int p2p_group_idx;
	467	unsigned int off_channel_freq;
	468	struct wpabuf *pending_action_tx;
	469	u8 pending_action_src[ETH_ALEN];
	470	u8 pending_action_dst[ETH_ALEN];
	471	u8 pending_action_bssid[ETH_ALEN];
	472	unsigned int pending_action_freq;
	473	int pending_action_without_roc;
	474	unsigned int pending_listen_freq;
	475	unsigned int pending_listen_duration;
	476	enum {
	477	NOT_P2P_GROUP_INTERFACE,
	478	P2P_GROUP_INTERFACE_PENDING,
	479	P2P_GROUP_INTERFACE_GO,
	480	P2P_GROUP_INTERFACE_CLIENT
	481	} p2p_group_interface;
	482	struct p2p_group *p2p_group;
	483	int p2p_long_listen;
	484	char p2p_pin[10];
3c5126a4	485	int p2p_wps_method;
108def93	486	u8 p2p_auth_invite[ETH_ALEN];
b22128ef JM	487	int p2p_sd_over_ctrl_iface;
	488	int p2p_in_provisioning;
	489	int pending_invite_ssid_id;
	490	int show_group_started;
	491	u8 go_dev_addr[ETH_ALEN];
	492	int pending_pd_before_join;
	493	u8 pending_join_iface_addr[ETH_ALEN];
	494	u8 pending_join_dev_addr[ETH_ALEN];
	495	int pending_join_wps_method;
9b1ab931	496	int p2p_join_scan_count;
07a30a66	497	unsigned int roc_waiting_drv_freq;
6e6963ea	498	int force_long_sd;
72044390 JM	499
	500	/*
	501	* Whether cross connection is disallowed by the AP to which this
	502	* interface is associated (only valid if there is an association).
	503	*/
	504	int cross_connect_disallowed;
	505
	506	/*
	507	* Whether this P2P group is configured to use cross connection (only
	508	* valid if this is P2P GO interface). The actual cross connect packet
	509	* forwarding may not be configured depending on the uplink status.
	510	*/
	511	int cross_connect_enabled;
	512
	513	/* Whether cross connection forwarding is in use at the moment. */
	514	int cross_connect_in_use;
	515
	516	/*
	517	* Uplink interface name for cross connection
	518	*/
	519	char cross_connect_uplink[100];
3071e181 JM	520
	521	enum {
	522	P2P_GROUP_REMOVAL_UNKNOWN,
	523	P2P_GROUP_REMOVAL_REQUESTED,
c973f386 JM	524	P2P_GROUP_REMOVAL_IDLE_TIMEOUT,
c973f386 JM	525	P2P_GROUP_REMOVAL_UNAVAILABLE
3071e181	526	} removal_reason;
b22128ef JM	527	#endif /* CONFIG_P2P */
b22128ef JM	528
60b94c98 JM	529	struct wpa_ssid *bgscan_ssid;
	530	const struct bgscan_ops *bgscan;
	531	void *bgscan_priv;
17a4734d	532
8cd82735 JM	533	int connect_without_scan;
8cd82735 JM	534
17a4734d JM	535	int after_wps;
17a4734d JM	536	unsigned int wps_freq;
42f50264	537	int wps_fragment_size;
0d0a8ca1	538	int auto_reconnect_disabled;
7cfc4ac3 AGS	539
	540	/* Channel preferences for AP/P2P GO use */
	541	int best_24_freq;
	542	int best_5_freq;
	543	int best_overall_freq;
6fc6879b JM	544	};
	545
	546
	547	/* wpa_supplicant.c */
0194fedb JB	548	int wpa_set_wep_keys(struct wpa_supplicant wpa_s, struct wpa_ssid ssid);
0194fedb JB	549
6fc6879b JM	550	int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
6fc6879b JM	551
71934751	552	const char * wpa_supplicant_state_txt(enum wpa_states state);
6fc6879b JM	553	int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
6fc6879b JM	554	int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
6fa81a3b	555	struct wpa_bss bss, struct wpa_ssid ssid,
6fc6879b JM	556	u8 wpa_ie, size_t wpa_ie_len);
6fc6879b JM	557	void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
6fa81a3b	558	struct wpa_bss *bss,
6fc6879b JM	559	struct wpa_ssid *ssid);
	560	void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
	561	struct wpa_ssid *ssid);
	562	void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
6fc6879b JM	563	void wpa_clear_keys(struct wpa_supplicant wpa_s, const u8 addr);
	564	void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
	565	int sec, int usec);
71934751 JM	566	void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
71934751 JM	567	enum wpa_states state);
6fc6879b JM	568	struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
	569	void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
	570	void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
	571	int reason_code);
	572	void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
	573	int reason_code);
	574
86b89452 WS	575	void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
	576	struct wpa_ssid *ssid);
	577	void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
	578	struct wpa_ssid *ssid);
	579	void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
	580	struct wpa_ssid *ssid);
	581	int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
	582	int ap_scan);
	583	int wpa_supplicant_set_debug_params(struct wpa_global *global,
	584	int debug_level, int debug_timestamp,
	585	int debug_show_keys);
	586
6fc6879b JM	587	void wpa_show_license(void);
	588
	589	struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
	590	struct wpa_interface *iface);
	591	int wpa_supplicant_remove_iface(struct wpa_global *global,
	592	struct wpa_supplicant *wpa_s);
	593	struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
	594	const char *ifname);
	595	struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
	596	int wpa_supplicant_run(struct wpa_global *global);
	597	void wpa_supplicant_deinit(struct wpa_global *global);
	598
	599	int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
	600	struct wpa_ssid *ssid);
1a1bf008	601	void wpa_supplicant_terminate_proc(struct wpa_global *global);
a8e0505b JM	602	void wpa_supplicant_rx_eapol(void ctx, const u8 src_addr,
a8e0505b JM	603	const u8 *buf, size_t len);
508545f3 JM	604	enum wpa_key_mgmt key_mgmt2driver(int key_mgmt);
508545f3 JM	605	enum wpa_cipher cipher_suite2driver(int cipher);
611aea7d	606	void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
b22128ef	607	void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
2f9c6aa6 JM	608	void ieee80211_sta_free_hw_features(struct hostapd_hw_modes *hw_features,
2f9c6aa6 JM	609	size_t num_hw_features);
0fb337c1	610	void wpas_connection_failed(struct wpa_supplicant wpa_s, const u8 bssid);
6fc6879b	611
6fc6879b JM	612	/* events.c */
6fc6879b JM	613	void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
86d4f806 JM	614	void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
	615	struct wpa_bss *selected,
	616	struct wpa_ssid *ssid);
6fc6879b	617
12760815 JM	618	/* eap_register.c */
	619	int eap_register_methods(void);
	620
6fc6879b	621	#endif /* WPA_SUPPLICANT_I_H */