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