hostapd/src/common/defs.h

/*
 * WPA Supplicant - Common definitions
 * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#ifndef DEFS_H
#define DEFS_H

#ifdef FALSE
#undef FALSE
#endif
#ifdef TRUE
#undef TRUE
#endif
typedef enum { FALSE = 0, TRUE = 1 } Boolean;


#define WPA_CIPHER_NONE BIT(0)
#define WPA_CIPHER_WEP40 BIT(1)
#define WPA_CIPHER_WEP104 BIT(2)
#define WPA_CIPHER_TKIP BIT(3)
#define WPA_CIPHER_CCMP BIT(4)
#ifdef CONFIG_IEEE80211W
#define WPA_CIPHER_AES_128_CMAC BIT(5)
#endif /* CONFIG_IEEE80211W */

#define WPA_KEY_MGMT_IEEE8021X BIT(0)
#define WPA_KEY_MGMT_PSK BIT(1)
#define WPA_KEY_MGMT_NONE BIT(2)
#define WPA_KEY_MGMT_IEEE8021X_NO_WPA BIT(3)
#define WPA_KEY_MGMT_WPA_NONE BIT(4)
#define WPA_KEY_MGMT_FT_IEEE8021X BIT(5)
#define WPA_KEY_MGMT_FT_PSK BIT(6)
#define WPA_KEY_MGMT_IEEE8021X_SHA256 BIT(7)
#define WPA_KEY_MGMT_PSK_SHA256 BIT(8)
#define WPA_KEY_MGMT_WPS BIT(9)

static inline int wpa_key_mgmt_wpa_ieee8021x(int akm)
{
	return !!(akm & (WPA_KEY_MGMT_IEEE8021X |
			 WPA_KEY_MGMT_FT_IEEE8021X |
			 WPA_KEY_MGMT_IEEE8021X_SHA256));
}

static inline int wpa_key_mgmt_wpa_psk(int akm)
{
	return !!(akm & (WPA_KEY_MGMT_PSK |
			 WPA_KEY_MGMT_FT_PSK |
			 WPA_KEY_MGMT_PSK_SHA256));
}

static inline int wpa_key_mgmt_ft(int akm)
{
	return !!(akm & (WPA_KEY_MGMT_FT_PSK |
			 WPA_KEY_MGMT_FT_IEEE8021X));
}

static inline int wpa_key_mgmt_sha256(int akm)
{
	return !!(akm & (WPA_KEY_MGMT_PSK_SHA256 |
			 WPA_KEY_MGMT_IEEE8021X_SHA256));
}

static inline int wpa_key_mgmt_wpa(int akm)
{
	return wpa_key_mgmt_wpa_ieee8021x(akm) ||
		wpa_key_mgmt_wpa_psk(akm);
}

static inline int wpa_key_mgmt_wpa_any(int akm)
{
	return wpa_key_mgmt_wpa(akm) || (akm & WPA_KEY_MGMT_WPA_NONE);
}


#define WPA_PROTO_WPA BIT(0)
#define WPA_PROTO_RSN BIT(1)

#define WPA_AUTH_ALG_OPEN BIT(0)
#define WPA_AUTH_ALG_SHARED BIT(1)
#define WPA_AUTH_ALG_LEAP BIT(2)
#define WPA_AUTH_ALG_FT BIT(3)


enum wpa_alg {
	WPA_ALG_NONE,
	WPA_ALG_WEP,
	WPA_ALG_TKIP,
	WPA_ALG_CCMP,
	WPA_ALG_IGTK,
	WPA_ALG_PMK
};

/**
 * enum wpa_cipher - Cipher suites
 */
enum wpa_cipher {
	CIPHER_NONE,
	CIPHER_WEP40,
	CIPHER_TKIP,
	CIPHER_CCMP,
	CIPHER_WEP104
};

/**
 * enum wpa_key_mgmt - Key management suites
 */
enum wpa_key_mgmt {
	KEY_MGMT_802_1X,
	KEY_MGMT_PSK,
	KEY_MGMT_NONE,
	KEY_MGMT_802_1X_NO_WPA,
	KEY_MGMT_WPA_NONE,
	KEY_MGMT_FT_802_1X,
	KEY_MGMT_FT_PSK,
	KEY_MGMT_802_1X_SHA256,
	KEY_MGMT_PSK_SHA256,
	KEY_MGMT_WPS
};

/**
 * enum wpa_states - wpa_supplicant state
 *
 * These enumeration values are used to indicate the current wpa_supplicant
 * state (wpa_s->wpa_state). The current state can be retrieved with
 * wpa_supplicant_get_state() function and the state can be changed by calling
 * wpa_supplicant_set_state(). In WPA state machine (wpa.c and preauth.c), the
 * wrapper functions wpa_sm_get_state() and wpa_sm_set_state() should be used
 * to access the state variable.
 */
enum wpa_states {
	/**
	 * WPA_DISCONNECTED - Disconnected state
	 *
	 * This state indicates that client is not associated, but is likely to
	 * start looking for an access point. This state is entered when a
	 * connection is lost.
	 */
	WPA_DISCONNECTED,

	/**
	 * WPA_INTERFACE_DISABLED - Interface disabled
	 *
	 * This stat eis entered if the network interface is disabled, e.g.,
	 * due to rfkill. wpa_supplicant refuses any new operations that would
	 * use the radio until the interface has been enabled.
	 */
	WPA_INTERFACE_DISABLED,

	/**
	 * WPA_INACTIVE - Inactive state (wpa_supplicant disabled)
	 *
	 * This state is entered if there are no enabled networks in the
	 * configuration. wpa_supplicant is not trying to associate with a new
	 * network and external interaction (e.g., ctrl_iface call to add or
	 * enable a network) is needed to start association.
	 */
	WPA_INACTIVE,

	/**
	 * WPA_SCANNING - Scanning for a network
	 *
	 * This state is entered when wpa_supplicant starts scanning for a
	 * network.
	 */
	WPA_SCANNING,

	/**
	 * WPA_AUTHENTICATING - Trying to authenticate with a BSS/SSID
	 *
	 * This state is entered when wpa_supplicant has found a suitable BSS
	 * to authenticate with and the driver is configured to try to
	 * authenticate with this BSS. This state is used only with drivers
	 * that use wpa_supplicant as the SME.
	 */
	WPA_AUTHENTICATING,

	/**
	 * WPA_ASSOCIATING - Trying to associate with a BSS/SSID
	 *
	 * This state is entered when wpa_supplicant has found a suitable BSS
	 * to associate with and the driver is configured to try to associate
	 * with this BSS in ap_scan=1 mode. When using ap_scan=2 mode, this
	 * state is entered when the driver is configured to try to associate
	 * with a network using the configured SSID and security policy.
	 */
	WPA_ASSOCIATING,

	/**
	 * WPA_ASSOCIATED - Association completed
	 *
	 * This state is entered when the driver reports that association has
	 * been successfully completed with an AP. If IEEE 802.1X is used
	 * (with or without WPA/WPA2), wpa_supplicant remains in this state
	 * until the IEEE 802.1X/EAPOL authentication has been completed.
	 */
	WPA_ASSOCIATED,

	/**
	 * WPA_4WAY_HANDSHAKE - WPA 4-Way Key Handshake in progress
	 *
	 * This state is entered when WPA/WPA2 4-Way Handshake is started. In
	 * case of WPA-PSK, this happens when receiving the first EAPOL-Key
	 * frame after association. In case of WPA-EAP, this state is entered
	 * when the IEEE 802.1X/EAPOL authentication has been completed.
	 */
	WPA_4WAY_HANDSHAKE,

	/**
	 * WPA_GROUP_HANDSHAKE - WPA Group Key Handshake in progress
	 *
	 * This state is entered when 4-Way Key Handshake has been completed
	 * (i.e., when the supplicant sends out message 4/4) and when Group
	 * Key rekeying is started by the AP (i.e., when supplicant receives
	 * message 1/2).
	 */
	WPA_GROUP_HANDSHAKE,

	/**
	 * WPA_COMPLETED - All authentication completed
	 *
	 * This state is entered when the full authentication process is
	 * completed. In case of WPA2, this happens when the 4-Way Handshake is
	 * successfully completed. With WPA, this state is entered after the
	 * Group Key Handshake; with IEEE 802.1X (non-WPA) connection is
	 * completed after dynamic keys are received (or if not used, after
	 * the EAP authentication has been completed). With static WEP keys and
	 * plaintext connections, this state is entered when an association
	 * has been completed.
	 *
	 * This state indicates that the supplicant has completed its
	 * processing for the association phase and that data connection is
	 * fully configured.
	 */
	WPA_COMPLETED
};

#define MLME_SETPROTECTION_PROTECT_TYPE_NONE 0
#define MLME_SETPROTECTION_PROTECT_TYPE_RX 1
#define MLME_SETPROTECTION_PROTECT_TYPE_TX 2
#define MLME_SETPROTECTION_PROTECT_TYPE_RX_TX 3

#define MLME_SETPROTECTION_KEY_TYPE_GROUP 0
#define MLME_SETPROTECTION_KEY_TYPE_PAIRWISE 1


/**
 * enum mfp_options - Management frame protection (IEEE 802.11w) options
 */
enum mfp_options {
	NO_MGMT_FRAME_PROTECTION = 0,
	MGMT_FRAME_PROTECTION_OPTIONAL = 1,
	MGMT_FRAME_PROTECTION_REQUIRED = 2
};

/**
 * enum hostapd_hw_mode - Hardware mode
 */
enum hostapd_hw_mode {
	HOSTAPD_MODE_IEEE80211B,
	HOSTAPD_MODE_IEEE80211G,
	HOSTAPD_MODE_IEEE80211A,
	NUM_HOSTAPD_MODES
};

/**
 * enum wpa_ctrl_req_type - Control interface request types
 */
enum wpa_ctrl_req_type {
	WPA_CTRL_REQ_UNKNOWN,
	WPA_CTRL_REQ_EAP_IDENTITY,
	WPA_CTRL_REQ_EAP_PASSWORD,
	WPA_CTRL_REQ_EAP_NEW_PASSWORD,
	WPA_CTRL_REQ_EAP_PIN,
	WPA_CTRL_REQ_EAP_OTP,
	WPA_CTRL_REQ_EAP_PASSPHRASE,
	NUM_WPA_CTRL_REQS
};

/* Maximum number of EAP methods to store for EAP server user information */
#define EAP_MAX_METHODS 8

#endif /* DEFS_H */