1/*
2 * EAP server/peer: EAP-TTLS (RFC 5281)
3 * Copyright (c) 2004-2007, Jouni Malinen <j@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
12struct 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
20struct 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) \
32do { \
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