1 /*
2  * eap_chbind.c
3  *
4  * Version:     $Id: 346b71261dbaef0919b35132df305eecbf944c8c $
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation; either version 2 of the License, or
9  *   (at your option) any later version.
10  *
11  *   This program is distributed in the hope that it will be useful,
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *   GNU General Public License for more details.
15  *
16  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  *
20  * Copyright 2014  Network RADIUS SARL
21  * Copyright 2014  The FreeRADIUS server project
22  */
23 
24 #ifndef _EAP_CHBIND_H
25 #define _EAP_CHBIND_H
26 
27 RCSIDH(eap_chbind_h, "$Id: 346b71261dbaef0919b35132df305eecbf944c8c $")
28 
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <sys/types.h>
32 #include <ctype.h>
33 
34 #include <freeradius-devel/radiusd.h>
35 
36 #include "eap.h"
37 
38 /* Structure to represent eap channel binding packet format */
39 typedef struct chbind_packet_t {
40 	uint8_t	code;
41 	uint8_t data[1];
42 } chbind_packet_t;
43 
44 /* Structure to hold channel bindings req/resp information */
45 typedef struct CHBIND_REQ {
46 	VALUE_PAIR	*username;		/* the username */
47 	chbind_packet_t *request;		/* channel binding request buffer */
48 	chbind_packet_t *response;		/* channel binding response buffer */
49 } CHBIND_REQ;
50 
51 /* Protocol constants */
52 #define CHBIND_NSID_RADIUS		1
53 
54 #define CHBIND_CODE_REQUEST		1
55 #define CHBIND_CODE_SUCCESS             2
56 #define CHBIND_CODE_FAILURE             3
57 
58 /* Channel binding function prototypes */
59 PW_CODE chbind_process(REQUEST *request, CHBIND_REQ *chbind_req);
60 
61 VALUE_PAIR *eap_chbind_packet2vp(RADIUS_PACKET *packet, chbind_packet_t *chbind);
62 chbind_packet_t *eap_chbind_vp2packet(TALLOC_CTX *ctx, VALUE_PAIR *vps);
63 
64 #endif /*_EAP_CHBIND_H*/
65