wpa.h - platform/external/wpa_supplicant - Git at Google

 /*
  * wpa_supplicant - WPA definitions
  * Copyright (c) 2003-2006, Jouni Malinen <[email protected]>
  *
  * 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_H
 #define WPA_H

 #include "defs.h"
 #include "wpa_common.h"

 #ifndef BIT
 #define BIT(n) (1 << (n))
 #endif

 #define WPA_CAPABILITY_PREAUTH BIT(0)
 #define WPA_CAPABILITY_MGMT_FRAME_PROTECTION BIT(6)
 #define WPA_CAPABILITY_PEERKEY_ENABLED BIT(9)

 #define GENERIC_INFO_ELEM 0xdd
 #define RSN_INFO_ELEM 0x30

 enum {
 	REASON_UNSPECIFIED = 1,
 	REASON_DEAUTH_LEAVING = 3,
 	REASON_INVALID_IE = 13,
 	REASON_MICHAEL_MIC_FAILURE = 14,
 	REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
 	REASON_GROUP_KEY_UPDATE_TIMEOUT = 16,
 	REASON_IE_IN_4WAY_DIFFERS = 17,
 	REASON_GROUP_CIPHER_NOT_VALID = 18,
 	REASON_PAIRWISE_CIPHER_NOT_VALID = 19,
 	REASON_AKMP_NOT_VALID = 20,
 	REASON_UNSUPPORTED_RSN_IE_VERSION = 21,
 	REASON_INVALID_RSN_IE_CAPAB = 22,
 	REASON_IEEE_802_1X_AUTH_FAILED = 23,
 	REASON_CIPHER_SUITE_REJECTED = 24
 };

 #define PMKID_LEN 16


 struct wpa_sm;
 struct wpa_ssid;
 struct eapol_sm;
 struct wpa_config_blob;

 struct wpa_sm_ctx {
 	void *ctx; /* pointer to arbitrary upper level context */

 	void (*set_state)(void *ctx, wpa_states state);
 	wpa_states (*get_state)(void *ctx);
 	void (*deauthenticate)(void * ctx, int reason_code);
 	void (*disassociate)(void *ctx, int reason_code);
 	int (*set_key)(void *ctx, wpa_alg alg,
 		       const u8 *addr, int key_idx, int set_tx,
 		       const u8 *seq, size_t seq_len,
 		       const u8 *key, size_t key_len);
 	void (*scan)(void *eloop_ctx, void *timeout_ctx);
 	struct wpa_ssid * (*get_ssid)(void *ctx);
 	int (*get_bssid)(void *ctx, u8 *bssid);
 	int (*ether_send)(void *ctx, const u8 *dest, u16 proto, const u8 *buf,
 			  size_t len);
 	int (*get_beacon_ie)(void *ctx);
 	void (*cancel_auth_timeout)(void *ctx);
 	u8 * (*alloc_eapol)(void *ctx, u8 type, const void *data, u16 data_len,
 			    size_t *msg_len, void **data_pos);
 	int (*add_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid);
 	int (*remove_pmkid)(void *ctx, const u8 *bssid, const u8 *pmkid);
 	void (*set_config_blob)(void *ctx, struct wpa_config_blob *blob);
 	const struct wpa_config_blob * (*get_config_blob)(void *ctx,
 							  const char *name);
 	int (*mlme_setprotection)(void *ctx, const u8 *addr,
 				  int protection_type, int key_type);
 };


 enum wpa_sm_conf_params {
 	RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */,
 	RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */,
 	RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */,
 	WPA_PARAM_PROTO,
 	WPA_PARAM_PAIRWISE,
 	WPA_PARAM_GROUP,
 	WPA_PARAM_KEY_MGMT,
 	WPA_PARAM_MGMT_GROUP
 };

 struct wpa_ie_data {
 	int proto;
 	int pairwise_cipher;
 	int group_cipher;
 	int key_mgmt;
 	int capabilities;
 	int num_pmkid;
 	const u8 *pmkid;
 	int mgmt_group_cipher;
 };

 #ifndef CONFIG_NO_WPA

 struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx);
 void wpa_sm_deinit(struct wpa_sm *sm);
 void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid);
 void wpa_sm_notify_disassoc(struct wpa_sm *sm);
 void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len);
 void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm);
 void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth);
 void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx);
 void wpa_sm_set_config(struct wpa_sm *sm, struct wpa_ssid *config);
 void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr);
 void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
 		       const char *bridge_ifname);
 void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol);
 int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
 int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm, u8 *wpa_ie,
 				    size_t *wpa_ie_len);
 int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
 int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie, size_t len);
 int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen);

 int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
 		     unsigned int value);
 unsigned int wpa_sm_get_param(struct wpa_sm *sm,
 			      enum wpa_sm_conf_params param);

 int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
 		      int verbose);

 void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);

 int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer);

 int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
 		     struct wpa_ie_data *data);

 void wpa_sm_aborted_cached(struct wpa_sm *sm);
 int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
 		    const u8 *buf, size_t len);
 int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm, struct wpa_ie_data *data);

 #else /* CONFIG_NO_WPA */

 static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
 {
 	return (struct wpa_sm *) 1;
 }

 static inline void wpa_sm_deinit(struct wpa_sm *sm)
 {
 }

 static inline void wpa_sm_notify_assoc(struct wpa_sm *sm, const u8 *bssid)
 {
 }

 static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
 {
 }

 static inline void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk,
 				  size_t pmk_len)
 {
 }

 static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
 {
 }

 static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
 {
 }

 static inline void wpa_sm_set_scard_ctx(struct wpa_sm *sm, void *scard_ctx)
 {
 }

 static inline void wpa_sm_set_config(struct wpa_sm *sm,
 				     struct wpa_ssid *config)
 {
 }

 static inline void wpa_sm_set_own_addr(struct wpa_sm *sm, const u8 *addr)
 {
 }

 static inline void wpa_sm_set_ifname(struct wpa_sm *sm, const char *ifname,
 				     const char *bridge_ifname)
 {
 }

 static inline void wpa_sm_set_eapol(struct wpa_sm *sm, struct eapol_sm *eapol)
 {
 }

 static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm *sm, const u8 *ie,
 					  size_t len)
 {
 	return -1;
 }

 static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm,
 						  u8 *wpa_ie,
 						  size_t *wpa_ie_len)
 {
 	return -1;
 }

 static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm *sm, const u8 *ie,
 				       size_t len)
 {
 	return -1;
 }

 static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm *sm, const u8 *ie,
 				       size_t len)
 {
 	return -1;
 }

 static inline int wpa_sm_get_mib(struct wpa_sm *sm, char *buf, size_t buflen)
 {
 	return 0;
 }

 static inline int wpa_sm_set_param(struct wpa_sm *sm,
 				   enum wpa_sm_conf_params param,
 				   unsigned int value)
 {
 	return -1;
 }

 static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm,
 					    enum wpa_sm_conf_params param)
 {
 	return 0;
 }

 static inline int wpa_sm_get_status(struct wpa_sm *sm, char *buf,
 				    size_t buflen, int verbose)
 {
 	return 0;
 }

 static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
 				      int pairwise)
 {
 }

 static inline int wpa_sm_stkstart(struct wpa_sm *sm, const u8 *peer)
 {
 	return -1;
 }

 static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
 				   struct wpa_ie_data *data)
 {
 	return -1;
 }

 static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
 {
 }

 static inline int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
 				  const u8 *buf, size_t len)
 {
 	return -1;
 }

 static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
 					  struct wpa_ie_data *data)
 {
 	return -1;
 }

 #endif /* CONFIG_NO_WPA */

 #endif /* WPA_H */
	/*
	* wpa_supplicant - WPA definitions
	* Copyright (c) 2003-2006, Jouni Malinen <[email protected]>
	*
	* 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_H
	#define WPA_H

	#include "defs.h"
	#include "wpa_common.h"

	#ifndef BIT
	#define BIT(n) (1 << (n))
	#endif

	#define WPA_CAPABILITY_PREAUTH BIT(0)
	#define WPA_CAPABILITY_MGMT_FRAME_PROTECTION BIT(6)
	#define WPA_CAPABILITY_PEERKEY_ENABLED BIT(9)

	#define GENERIC_INFO_ELEM 0xdd
	#define RSN_INFO_ELEM 0x30

	enum {
	REASON_UNSPECIFIED = 1,
	REASON_DEAUTH_LEAVING = 3,
	REASON_INVALID_IE = 13,
	REASON_MICHAEL_MIC_FAILURE = 14,
	REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
	REASON_GROUP_KEY_UPDATE_TIMEOUT = 16,
	REASON_IE_IN_4WAY_DIFFERS = 17,
	REASON_GROUP_CIPHER_NOT_VALID = 18,
	REASON_PAIRWISE_CIPHER_NOT_VALID = 19,
	REASON_AKMP_NOT_VALID = 20,
	REASON_UNSUPPORTED_RSN_IE_VERSION = 21,
	REASON_INVALID_RSN_IE_CAPAB = 22,
	REASON_IEEE_802_1X_AUTH_FAILED = 23,
	REASON_CIPHER_SUITE_REJECTED = 24
	};

	#define PMKID_LEN 16


	struct wpa_sm;
	struct wpa_ssid;
	struct eapol_sm;
	struct wpa_config_blob;

	struct wpa_sm_ctx {
	void ctx; / pointer to arbitrary upper level context */

	void (set_state)(void ctx, wpa_states state);
	wpa_states (get_state)(void ctx);
	void (deauthenticate)(void ctx, int reason_code);
	void (disassociate)(void ctx, int reason_code);
	int (set_key)(void ctx, wpa_alg alg,
	const u8 *addr, int key_idx, int set_tx,
	const u8 *seq, size_t seq_len,
	const u8 *key, size_t key_len);
	void (scan)(void eloop_ctx, void *timeout_ctx);
	struct wpa_ssid * (get_ssid)(void ctx);
	int (get_bssid)(void ctx, u8 *bssid);
	int (ether_send)(void ctx, const u8 dest, u16 proto, const u8 buf,
	size_t len);
	int (get_beacon_ie)(void ctx);
	void (cancel_auth_timeout)(void ctx);
	u8 * (alloc_eapol)(void ctx, u8 type, const void *data, u16 data_len,
	size_t msg_len, void *data_pos);
	int (add_pmkid)(void ctx, const u8 bssid, const u8 pmkid);
	int (remove_pmkid)(void ctx, const u8 bssid, const u8 pmkid);
	void (set_config_blob)(void ctx, struct wpa_config_blob *blob);
	const struct wpa_config_blob * (get_config_blob)(void ctx,
	const char *name);
	int (mlme_setprotection)(void ctx, const u8 *addr,
	int protection_type, int key_type);
	};


	enum wpa_sm_conf_params {
	RSNA_PMK_LIFETIME /* dot11RSNAConfigPMKLifetime */,
	RSNA_PMK_REAUTH_THRESHOLD /* dot11RSNAConfigPMKReauthThreshold */,
	RSNA_SA_TIMEOUT /* dot11RSNAConfigSATimeout */,
	WPA_PARAM_PROTO,
	WPA_PARAM_PAIRWISE,
	WPA_PARAM_GROUP,
	WPA_PARAM_KEY_MGMT,
	WPA_PARAM_MGMT_GROUP
	};

	struct wpa_ie_data {
	int proto;
	int pairwise_cipher;
	int group_cipher;
	int key_mgmt;
	int capabilities;
	int num_pmkid;
	const u8 *pmkid;
	int mgmt_group_cipher;
	};

	#ifndef CONFIG_NO_WPA

	struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx);
	void wpa_sm_deinit(struct wpa_sm *sm);
	void wpa_sm_notify_assoc(struct wpa_sm sm, const u8 bssid);
	void wpa_sm_notify_disassoc(struct wpa_sm *sm);
	void wpa_sm_set_pmk(struct wpa_sm sm, const u8 pmk, size_t pmk_len);
	void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm);
	void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth);
	void wpa_sm_set_scard_ctx(struct wpa_sm sm, void scard_ctx);
	void wpa_sm_set_config(struct wpa_sm sm, struct wpa_ssid config);
	void wpa_sm_set_own_addr(struct wpa_sm sm, const u8 addr);
	void wpa_sm_set_ifname(struct wpa_sm sm, const char ifname,
	const char *bridge_ifname);
	void wpa_sm_set_eapol(struct wpa_sm sm, struct eapol_sm eapol);
	int wpa_sm_set_assoc_wpa_ie(struct wpa_sm sm, const u8 ie, size_t len);
	int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm sm, u8 wpa_ie,
	size_t *wpa_ie_len);
	int wpa_sm_set_ap_wpa_ie(struct wpa_sm sm, const u8 ie, size_t len);
	int wpa_sm_set_ap_rsn_ie(struct wpa_sm sm, const u8 ie, size_t len);
	int wpa_sm_get_mib(struct wpa_sm sm, char buf, size_t buflen);

	int wpa_sm_set_param(struct wpa_sm *sm, enum wpa_sm_conf_params param,
	unsigned int value);
	unsigned int wpa_sm_get_param(struct wpa_sm *sm,
	enum wpa_sm_conf_params param);

	int wpa_sm_get_status(struct wpa_sm sm, char buf, size_t buflen,
	int verbose);

	void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);

	int wpa_sm_stkstart(struct wpa_sm sm, const u8 peer);

	int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
	struct wpa_ie_data *data);

	void wpa_sm_aborted_cached(struct wpa_sm *sm);
	int wpa_sm_rx_eapol(struct wpa_sm sm, const u8 src_addr,
	const u8 *buf, size_t len);
	int wpa_sm_parse_own_wpa_ie(struct wpa_sm sm, struct wpa_ie_data data);

	#else /* CONFIG_NO_WPA */

	static inline struct wpa_sm * wpa_sm_init(struct wpa_sm_ctx *ctx)
	{
	return (struct wpa_sm *) 1;
	}

	static inline void wpa_sm_deinit(struct wpa_sm *sm)
	{
	}

	static inline void wpa_sm_notify_assoc(struct wpa_sm sm, const u8 bssid)
	{
	}

	static inline void wpa_sm_notify_disassoc(struct wpa_sm *sm)
	{
	}

	static inline void wpa_sm_set_pmk(struct wpa_sm sm, const u8 pmk,
	size_t pmk_len)
	{
	}

	static inline void wpa_sm_set_pmk_from_pmksa(struct wpa_sm *sm)
	{
	}

	static inline void wpa_sm_set_fast_reauth(struct wpa_sm *sm, int fast_reauth)
	{
	}

	static inline void wpa_sm_set_scard_ctx(struct wpa_sm sm, void scard_ctx)
	{
	}

	static inline void wpa_sm_set_config(struct wpa_sm *sm,
	struct wpa_ssid *config)
	{
	}

	static inline void wpa_sm_set_own_addr(struct wpa_sm sm, const u8 addr)
	{
	}

	static inline void wpa_sm_set_ifname(struct wpa_sm sm, const char ifname,
	const char *bridge_ifname)
	{
	}

	static inline void wpa_sm_set_eapol(struct wpa_sm sm, struct eapol_sm eapol)
	{
	}

	static inline int wpa_sm_set_assoc_wpa_ie(struct wpa_sm sm, const u8 ie,
	size_t len)
	{
	return -1;
	}

	static inline int wpa_sm_set_assoc_wpa_ie_default(struct wpa_sm *sm,
	u8 *wpa_ie,
	size_t *wpa_ie_len)
	{
	return -1;
	}

	static inline int wpa_sm_set_ap_wpa_ie(struct wpa_sm sm, const u8 ie,
	size_t len)
	{
	return -1;
	}

	static inline int wpa_sm_set_ap_rsn_ie(struct wpa_sm sm, const u8 ie,
	size_t len)
	{
	return -1;
	}

	static inline int wpa_sm_get_mib(struct wpa_sm sm, char buf, size_t buflen)
	{
	return 0;
	}

	static inline int wpa_sm_set_param(struct wpa_sm *sm,
	enum wpa_sm_conf_params param,
	unsigned int value)
	{
	return -1;
	}

	static inline unsigned int wpa_sm_get_param(struct wpa_sm *sm,
	enum wpa_sm_conf_params param)
	{
	return 0;
	}

	static inline int wpa_sm_get_status(struct wpa_sm sm, char buf,
	size_t buflen, int verbose)
	{
	return 0;
	}

	static inline void wpa_sm_key_request(struct wpa_sm *sm, int error,
	int pairwise)
	{
	}

	static inline int wpa_sm_stkstart(struct wpa_sm sm, const u8 peer)
	{
	return -1;
	}

	static inline int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len,
	struct wpa_ie_data *data)
	{
	return -1;
	}

	static inline void wpa_sm_aborted_cached(struct wpa_sm *sm)
	{
	}

	static inline int wpa_sm_rx_eapol(struct wpa_sm sm, const u8 src_addr,
	const u8 *buf, size_t len)
	{
	return -1;
	}

	static inline int wpa_sm_parse_own_wpa_ie(struct wpa_sm *sm,
	struct wpa_ie_data *data)
	{
	return -1;
	}

	#endif /* CONFIG_NO_WPA */

	#endif /* WPA_H */