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      1 /*
      2  * wpa_supplicant - WPA2/RSN pre-authentication functions
      3  * Copyright (c) 2003-2009, Jouni Malinen <j (at) w1.fi>
      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 PREAUTH_H
     16 #define PREAUTH_H
     17 
     18 struct wpa_scan_results;
     19 
     20 #if defined(IEEE8021X_EAPOL) && !defined(CONFIG_NO_WPA2)
     21 
     22 void pmksa_candidate_free(struct wpa_sm *sm);
     23 int rsn_preauth_init(struct wpa_sm *sm, const u8 *dst,
     24 		     struct eap_peer_config *eap_conf);
     25 void rsn_preauth_deinit(struct wpa_sm *sm);
     26 int rsn_preauth_scan_results(struct wpa_sm *sm);
     27 void rsn_preauth_scan_result(struct wpa_sm *sm, const u8 *bssid,
     28 			     const u8 *ssid, const u8 *rsn);
     29 void pmksa_candidate_add(struct wpa_sm *sm, const u8 *bssid,
     30 			 int prio, int preauth);
     31 void rsn_preauth_candidate_process(struct wpa_sm *sm);
     32 int rsn_preauth_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
     33 			   int verbose);
     34 int rsn_preauth_in_progress(struct wpa_sm *sm);
     35 
     36 #else /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
     37 
     38 static inline void pmksa_candidate_free(struct wpa_sm *sm)
     39 {
     40 }
     41 
     42 static inline void rsn_preauth_candidate_process(struct wpa_sm *sm)
     43 {
     44 }
     45 
     46 static inline int rsn_preauth_init(struct wpa_sm *sm, const u8 *dst,
     47 				   struct eap_peer_config *eap_conf)
     48 {
     49 	return -1;
     50 }
     51 
     52 static inline void rsn_preauth_deinit(struct wpa_sm *sm)
     53 {
     54 }
     55 
     56 static inline int rsn_preauth_scan_results(struct wpa_sm *sm)
     57 {
     58 	return -1;
     59 }
     60 
     61 static inline void rsn_preauth_scan_result(struct wpa_sm *sm, const u8 *bssid,
     62 					   const u8 *ssid, const u8 *rsn)
     63 {
     64 }
     65 
     66 static inline void pmksa_candidate_add(struct wpa_sm *sm,
     67 				       const u8 *bssid,
     68 				       int prio, int preauth)
     69 {
     70 }
     71 
     72 static inline int rsn_preauth_get_status(struct wpa_sm *sm, char *buf,
     73 					 size_t buflen, int verbose)
     74 {
     75 	return 0;
     76 }
     77 
     78 static inline int rsn_preauth_in_progress(struct wpa_sm *sm)
     79 {
     80 	return 0;
     81 }
     82 
     83 #endif /* IEEE8021X_EAPOL and !CONFIG_NO_WPA2 */
     84 
     85 #endif /* PREAUTH_H */
     86