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      1 /*
      2  * EAP server/peer: EAP-TTLS (RFC 5281)
      3  * Copyright (c) 2004-2007, 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 EAP_TTLS_H
     16 #define EAP_TTLS_H
     17 
     18 struct ttls_avp {
     19 	be32 avp_code;
     20 	be32 avp_length; /* 8-bit flags, 24-bit length;
     21 			  * length includes AVP header */
     22 	/* optional 32-bit Vendor-ID */
     23 	/* Data */
     24 };
     25 
     26 struct ttls_avp_vendor {
     27 	be32 avp_code;
     28 	be32 avp_length; /* 8-bit flags, 24-bit length;
     29 			  * length includes AVP header */
     30 	be32 vendor_id;
     31 	/* Data */
     32 };
     33 
     34 #define AVP_FLAGS_VENDOR 0x80
     35 #define AVP_FLAGS_MANDATORY 0x40
     36 
     37 #define AVP_PAD(start, pos) \
     38 do { \
     39 	int __pad; \
     40 	__pad = (4 - (((pos) - (start)) & 3)) & 3; \
     41 	os_memset((pos), 0, __pad); \
     42 	pos += __pad; \
     43 } while (0)
     44 
     45 
     46 /* RFC 2865 */
     47 #define RADIUS_ATTR_USER_NAME 1
     48 #define RADIUS_ATTR_USER_PASSWORD 2
     49 #define RADIUS_ATTR_CHAP_PASSWORD 3
     50 #define RADIUS_ATTR_REPLY_MESSAGE 18
     51 #define RADIUS_ATTR_CHAP_CHALLENGE 60
     52 #define RADIUS_ATTR_EAP_MESSAGE 79
     53 
     54 /* RFC 2548 */
     55 #define RADIUS_VENDOR_ID_MICROSOFT 311
     56 #define RADIUS_ATTR_MS_CHAP_RESPONSE 1
     57 #define RADIUS_ATTR_MS_CHAP_ERROR 2
     58 #define RADIUS_ATTR_MS_CHAP_NT_ENC_PW 6
     59 #define RADIUS_ATTR_MS_CHAP_CHALLENGE 11
     60 #define RADIUS_ATTR_MS_CHAP2_RESPONSE 25
     61 #define RADIUS_ATTR_MS_CHAP2_SUCCESS 26
     62 #define RADIUS_ATTR_MS_CHAP2_CPW 27
     63 
     64 #define EAP_TTLS_MSCHAPV2_CHALLENGE_LEN 16
     65 #define EAP_TTLS_MSCHAPV2_RESPONSE_LEN 50
     66 #define EAP_TTLS_MSCHAP_CHALLENGE_LEN 8
     67 #define EAP_TTLS_MSCHAP_RESPONSE_LEN 50
     68 #define EAP_TTLS_CHAP_CHALLENGE_LEN 16
     69 #define EAP_TTLS_CHAP_PASSWORD_LEN 16
     70 
     71 #endif /* EAP_TTLS_H */
     72