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      1 /*
      2  * EAP-TNC - TNCS (IF-IMV, IF-TNCCS, and IF-TNCCS-SOH)
      3  * Copyright (c) 2007-2008, 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 TNCS_H
     16 #define TNCS_H
     17 
     18 struct tncs_data;
     19 
     20 struct tncs_data * tncs_init(void);
     21 void tncs_deinit(struct tncs_data *tncs);
     22 void tncs_init_connection(struct tncs_data *tncs);
     23 size_t tncs_total_send_len(struct tncs_data *tncs);
     24 u8 * tncs_copy_send_buf(struct tncs_data *tncs, u8 *pos);
     25 char * tncs_if_tnccs_start(struct tncs_data *tncs);
     26 char * tncs_if_tnccs_end(void);
     27 
     28 enum tncs_process_res {
     29 	TNCCS_PROCESS_ERROR = -1,
     30 	TNCCS_PROCESS_OK_NO_RECOMMENDATION = 0,
     31 	TNCCS_RECOMMENDATION_ERROR,
     32 	TNCCS_RECOMMENDATION_ALLOW,
     33 	TNCCS_RECOMMENDATION_NONE,
     34 	TNCCS_RECOMMENDATION_ISOLATE,
     35 	TNCCS_RECOMMENDATION_NO_ACCESS,
     36 	TNCCS_RECOMMENDATION_NO_RECOMMENDATION
     37 };
     38 
     39 enum tncs_process_res tncs_process_if_tnccs(struct tncs_data *tncs,
     40 					    const u8 *msg, size_t len);
     41 
     42 int tncs_global_init(void);
     43 void tncs_global_deinit(void);
     44 
     45 struct wpabuf * tncs_build_soh_request(void);
     46 struct wpabuf * tncs_process_soh(const u8 *soh_tlv, size_t soh_tlv_len,
     47 				 int *failure);
     48 
     49 #endif /* TNCS_H */
     50