1 /*
2  * EAP-TLV definitions (draft-josefsson-pppext-eap-tls-eap-10.txt)
3  * Copyright (c) 2004-2008, Jouni Malinen <j@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_TLV_COMMON_H
16 #define EAP_TLV_COMMON_H
17 
18 /* EAP-TLV TLVs (draft-josefsson-ppext-eap-tls-eap-10.txt) */
19 #define EAP_TLV_RESULT_TLV 3 /* Acknowledged Result */
20 #define EAP_TLV_NAK_TLV 4
21 #define EAP_TLV_ERROR_CODE_TLV 5
22 #define EAP_TLV_CONNECTION_BINDING_TLV 6
23 #define EAP_TLV_VENDOR_SPECIFIC_TLV 7
24 #define EAP_TLV_URI_TLV 8
25 #define EAP_TLV_EAP_PAYLOAD_TLV 9
26 #define EAP_TLV_INTERMEDIATE_RESULT_TLV 10
27 #define EAP_TLV_PAC_TLV 11 /* RFC 5422, Section 4.2 */
28 #define EAP_TLV_CRYPTO_BINDING_TLV 12
29 #define EAP_TLV_CALLING_STATION_ID_TLV 13
30 #define EAP_TLV_CALLED_STATION_ID_TLV 14
31 #define EAP_TLV_NAS_PORT_TYPE_TLV 15
32 #define EAP_TLV_SERVER_IDENTIFIER_TLV 16
33 #define EAP_TLV_IDENTITY_TYPE_TLV 17
34 #define EAP_TLV_SERVER_TRUSTED_ROOT_TLV 18
35 #define EAP_TLV_REQUEST_ACTION_TLV 19
36 #define EAP_TLV_PKCS7_TLV 20
37 
38 #define EAP_TLV_RESULT_SUCCESS 1
39 #define EAP_TLV_RESULT_FAILURE 2
40 
41 #define EAP_TLV_TYPE_MANDATORY 0x8000
42 #define EAP_TLV_TYPE_MASK 0x3fff
43 
44 #ifdef _MSC_VER
45 #pragma pack(push, 1)
46 #endif /* _MSC_VER */
47 
48 struct eap_tlv_hdr {
49 	be16 tlv_type;
50 	be16 length;
51 } STRUCT_PACKED;
52 
53 struct eap_tlv_nak_tlv {
54 	be16 tlv_type;
55 	be16 length;
56 	be32 vendor_id;
57 	be16 nak_type;
58 } STRUCT_PACKED;
59 
60 struct eap_tlv_result_tlv {
61 	be16 tlv_type;
62 	be16 length;
63 	be16 status;
64 } STRUCT_PACKED;
65 
66 /* RFC 4851, Section 4.2.7 - Intermediate-Result TLV */
67 struct eap_tlv_intermediate_result_tlv {
68 	be16 tlv_type;
69 	be16 length;
70 	be16 status;
71 	/* Followed by optional TLVs */
72 } STRUCT_PACKED;
73 
74 /* RFC 4851, Section 4.2.8 - Crypto-Binding TLV */
75 struct eap_tlv_crypto_binding_tlv {
76 	be16 tlv_type;
77 	be16 length;
78 	u8 reserved;
79 	u8 version;
80 	u8 received_version;
81 	u8 subtype;
82 	u8 nonce[32];
83 	u8 compound_mac[20];
84 } STRUCT_PACKED;
85 
86 struct eap_tlv_pac_ack_tlv {
87 	be16 tlv_type;
88 	be16 length;
89 	be16 pac_type;
90 	be16 pac_len;
91 	be16 result;
92 } STRUCT_PACKED;
93 
94 /* RFC 4851, Section 4.2.9 - Request-Action TLV */
95 struct eap_tlv_request_action_tlv {
96 	be16 tlv_type;
97 	be16 length;
98 	be16 action;
99 } STRUCT_PACKED;
100 
101 /* RFC 5422, Section 4.2.6 - PAC-Type TLV */
102 struct eap_tlv_pac_type_tlv {
103 	be16 tlv_type; /* PAC_TYPE_PAC_TYPE */
104 	be16 length;
105 	be16 pac_type;
106 } STRUCT_PACKED;
107 
108 #ifdef _MSC_VER
109 #pragma pack(pop)
110 #endif /* _MSC_VER */
111 
112 #define EAP_TLV_CRYPTO_BINDING_SUBTYPE_REQUEST 0
113 #define EAP_TLV_CRYPTO_BINDING_SUBTYPE_RESPONSE 1
114 
115 #define EAP_TLV_ACTION_PROCESS_TLV 1
116 #define EAP_TLV_ACTION_NEGOTIATE_EAP 2
117 
118 #endif /* EAP_TLV_COMMON_H */
119