wpa_auth.c File Reference

IEEE 802.11 RSN / WPA Authenticator. More...

#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "utils/state_machine.h"
#include "utils/bitfield.h"
#include "common/ieee802_11_defs.h"
#include "crypto/aes_wrap.h"
#include "crypto/crypto.h"
#include "crypto/sha1.h"
#include "crypto/sha256.h"
#include "crypto/random.h"
#include "eapol_auth/eapol_auth_sm.h"
#include "ap_config.h"
#include "ieee802_11.h"
#include "wpa_auth.h"
#include "pmksa_cache_auth.h"
#include "wpa_auth_i.h"
#include "wpa_auth_ie.h"

Macros
#define	STATE_MACHINE_DATA   struct wpa_state_machine
#define	STATE_MACHINE_DEBUG_PREFIX   "WPA"
#define	STATE_MACHINE_ADDR   sm->addr
#define	RSN_SUITE   "%02x-%02x-%02x-%d"
#define	RSN_SUITE_ARG(s)   ((s) >> 24) & 0xff, ((s) >> 16) & 0xff, ((s) >> 8) & 0xff, (s) & 0xff

Functions
int	wpa_auth_for_each_sta (struct wpa_authenticator *wpa_auth, int(*cb)(struct wpa_state_machine *sm, void *ctx), void *cb_ctx)
int	wpa_auth_for_each_auth (struct wpa_authenticator *wpa_auth, int(*cb)(struct wpa_authenticator *a, void *ctx), void *cb_ctx)
void	wpa_auth_logger (struct wpa_authenticator *wpa_auth, const u8 *addr, logger_level level, const char *txt)
void	wpa_auth_vlogger (struct wpa_authenticator *wpa_auth, const u8 *addr, logger_level level, const char *fmt,...)
struct wpa_authenticator *	wpa_init (const u8 *addr, struct wpa_auth_config *conf, struct wpa_auth_callbacks *cb)
	Initialize WPA authenticator. More...
int	wpa_init_keys (struct wpa_authenticator *wpa_auth)
void	wpa_deinit (struct wpa_authenticator *wpa_auth)
	Deinitialize WPA authenticator. More...
int	wpa_reconfig (struct wpa_authenticator *wpa_auth, struct wpa_auth_config *conf)
	Update WPA authenticator configuration. More...
struct wpa_state_machine *	wpa_auth_sta_init (struct wpa_authenticator *wpa_auth, const u8 *addr, const u8 *p2p_dev_addr)
int	wpa_auth_sta_associated (struct wpa_authenticator *wpa_auth, struct wpa_state_machine *sm)
void	wpa_auth_sta_no_wpa (struct wpa_state_machine *sm)
void	wpa_auth_sta_deinit (struct wpa_state_machine *sm)
void	wpa_receive (struct wpa_authenticator *wpa_auth, struct wpa_state_machine *sm, u8 *data, size_t data_len)
void	__wpa_send_eapol (struct wpa_authenticator *wpa_auth, struct wpa_state_machine *sm, int key_info, const u8 *key_rsc, const u8 *nonce, const u8 *kde, size_t kde_len, int keyidx, int encr, int force_version)
void	wpa_remove_ptk (struct wpa_state_machine *sm)
int	wpa_auth_sm_event (struct wpa_state_machine *sm, enum wpa_event event)
	SM_STATE (WPA_PTK, INITIALIZE)
	SM_STATE (WPA_PTK, DISCONNECT)
	SM_STATE (WPA_PTK, DISCONNECTED)
	SM_STATE (WPA_PTK, AUTHENTICATION)
	SM_STATE (WPA_PTK, AUTHENTICATION2)
	SM_STATE (WPA_PTK, INITPMK)
	SM_STATE (WPA_PTK, INITPSK)
	SM_STATE (WPA_PTK, PTKSTART)
	SM_STATE (WPA_PTK, PTKCALCNEGOTIATING)
	SM_STATE (WPA_PTK, PTKCALCNEGOTIATING2)
	SM_STATE (WPA_PTK, PTKINITNEGOTIATING)
	SM_STATE (WPA_PTK, PTKINITDONE)
	SM_STEP (WPA_PTK)
	SM_STATE (WPA_PTK_GROUP, IDLE)
	SM_STATE (WPA_PTK_GROUP, REKEYNEGOTIATING)
	SM_STATE (WPA_PTK_GROUP, REKEYESTABLISHED)
	SM_STATE (WPA_PTK_GROUP, KEYERROR)
	SM_STEP (WPA_PTK_GROUP)
void	wpa_auth_sm_notify (struct wpa_state_machine *sm)
void	wpa_gtk_rekey (struct wpa_authenticator *wpa_auth)
int	wpa_get_mib (struct wpa_authenticator *wpa_auth, char *buf, size_t buflen)
int	wpa_get_mib_sta (struct wpa_state_machine *sm, char *buf, size_t buflen)
void	wpa_auth_countermeasures_start (struct wpa_authenticator *wpa_auth)
int	wpa_auth_pairwise_set (struct wpa_state_machine *sm)
int	wpa_auth_get_pairwise (struct wpa_state_machine *sm)
int	wpa_auth_sta_key_mgmt (struct wpa_state_machine *sm)
int	wpa_auth_sta_wpa_version (struct wpa_state_machine *sm)
int	wpa_auth_sta_clear_pmksa (struct wpa_state_machine *sm, struct rsn_pmksa_cache_entry *entry)
struct rsn_pmksa_cache_entry *	wpa_auth_sta_get_pmksa (struct wpa_state_machine *sm)
void	wpa_auth_sta_local_mic_failure_report (struct wpa_state_machine *sm)
const u8 *	wpa_auth_get_wpa_ie (struct wpa_authenticator *wpa_auth, size_t *len)
int	wpa_auth_pmksa_add (struct wpa_state_machine *sm, const u8 *pmk, int session_timeout, struct eapol_state_machine *eapol)
int	wpa_auth_pmksa_add_preauth (struct wpa_authenticator *wpa_auth, const u8 *pmk, size_t len, const u8 *sta_addr, int session_timeout, struct eapol_state_machine *eapol)
int	wpa_auth_pmksa_add_sae (struct wpa_authenticator *wpa_auth, const u8 *addr, const u8 *pmk)
void	wpa_auth_pmksa_remove (struct wpa_authenticator *wpa_auth, const u8 *sta_addr)
int	wpa_auth_sta_set_vlan (struct wpa_state_machine *sm, int vlan_id)
void	wpa_auth_eapol_key_tx_status (struct wpa_authenticator *wpa_auth, struct wpa_state_machine *sm, int ack)
int	wpa_auth_uses_sae (struct wpa_state_machine *sm)
int	wpa_auth_uses_ft_sae (struct wpa_state_machine *sm)
int	wpa_auth_get_ip_addr (struct wpa_state_machine *sm, u8 *addr)
int	wpa_auth_radius_das_disconnect_pmksa (struct wpa_authenticator *wpa_auth, struct radius_das_attrs *attr)
void	wpa_auth_reconfig_group_keys (struct wpa_authenticator *wpa_auth)

Detailed Description

IEEE 802.11 RSN / WPA Authenticator.

Function Documentation

void wpa_deinit

(

struct wpa_authenticator *

wpa_auth

)

Deinitialize WPA authenticator.

Parameters

wpa_auth

Pointer to WPA authenticator data from wpa_init()

struct wpa_authenticator* wpa_init	(	const u8 *	addr,
		struct wpa_auth_config *	conf,
		struct wpa_auth_callbacks *	cb
	)

Initialize WPA authenticator.

Parameters

addr	Authenticator address
conf	Configuration for WPA authenticator
cb	Callback functions for WPA authenticator

Returns

Pointer to WPA authenticator data or NULL on failure

int wpa_reconfig	(	struct wpa_authenticator *	wpa_auth,
		struct wpa_auth_config *	conf
	)

Update WPA authenticator configuration.

Parameters

wpa_auth	Pointer to WPA authenticator data from wpa_init()
conf	Configuration for WPA authenticator