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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 software may be distributed under the terms of the BSD license.
      6  * See README for more details.
      7  */
      8 
      9 #ifndef EAP_TTLS_H
     10 #define EAP_TTLS_H
     11 
     12 struct ttls_avp {
     13 	be32 avp_code;
     14 	be32 avp_length; /* 8-bit flags, 24-bit length;
     15 			  * length includes AVP header */
     16 	/* optional 32-bit Vendor-ID */
     17 	/* Data */
     18 };
     19 
     20 struct ttls_avp_vendor {
     21 	be32 avp_code;
     22 	be32 avp_length; /* 8-bit flags, 24-bit length;
     23 			  * length includes AVP header */
     24 	be32 vendor_id;
     25 	/* Data */
     26 };
     27 
     28 #define AVP_FLAGS_VENDOR 0x80
     29 #define AVP_FLAGS_MANDATORY 0x40
     30 
     31 #define AVP_PAD(start, pos) \
     32 do { \
     33 	int __pad; \
     34 	__pad = (4 - (((pos) - (start)) & 3)) & 3; \
     35 	os_memset((pos), 0, __pad); \
     36 	pos += __pad; \
     37 } while (0)
     38 
     39 
     40 /* RFC 2865 */
     41 #define RADIUS_ATTR_USER_NAME 1
     42 #define RADIUS_ATTR_USER_PASSWORD 2
     43 #define RADIUS_ATTR_CHAP_PASSWORD 3
     44 #define RADIUS_ATTR_REPLY_MESSAGE 18
     45 #define RADIUS_ATTR_CHAP_CHALLENGE 60
     46 #define RADIUS_ATTR_EAP_MESSAGE 79
     47 
     48 /* RFC 2548 */
     49 #define RADIUS_VENDOR_ID_MICROSOFT 311
     50 #define RADIUS_ATTR_MS_CHAP_RESPONSE 1
     51 #define RADIUS_ATTR_MS_CHAP_ERROR 2
     52 #define RADIUS_ATTR_MS_CHAP_NT_ENC_PW 6
     53 #define RADIUS_ATTR_MS_CHAP_CHALLENGE 11
     54 #define RADIUS_ATTR_MS_CHAP2_RESPONSE 25
     55 #define RADIUS_ATTR_MS_CHAP2_SUCCESS 26
     56 #define RADIUS_ATTR_MS_CHAP2_CPW 27
     57 
     58 #define EAP_TTLS_MSCHAPV2_CHALLENGE_LEN 16
     59 #define EAP_TTLS_MSCHAPV2_RESPONSE_LEN 50
     60 #define EAP_TTLS_MSCHAP_CHALLENGE_LEN 8
     61 #define EAP_TTLS_MSCHAP_RESPONSE_LEN 50
     62 #define EAP_TTLS_CHAP_CHALLENGE_LEN 16
     63 #define EAP_TTLS_CHAP_PASSWORD_LEN 16
     64 
     65 #endif /* EAP_TTLS_H */
     66