contrib/wpa_supplicant-0.5.8/eap_tlv.h

   1 /*
   2  * EAP peer method: EAP-TLV (draft-josefsson-pppext-eap-tls-eap-07.txt)
   3  * Copyright (c) 2004-2005, 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_H
  16 #define EAP_TLV_H
  17
  18 /* EAP-TLV TLVs (draft-josefsson-ppext-eap-tls-eap-07.txt) */
  19 #define EAP_TLV_RESULT_TLV 3 /* Acknowledged Result */
  20 #define EAP_TLV_NAK_TLV 4
  21 #define EAP_TLV_CRYPTO_BINDING_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 /* draft-cam-winget-eap-fast-01.txt */
  28 #define EAP_TLV_CRYPTO_BINDING_TLV_ 12 /* draft-cam-winget-eap-fast-01.txt */
  29
  30 #define EAP_TLV_RESULT_SUCCESS 1
  31 #define EAP_TLV_RESULT_FAILURE 2
  32
  33 #define EAP_TLV_TYPE_MANDATORY 0x8000
  34
  35 #ifdef _MSC_VER
  36 #pragma pack(push, 1)
  37 #endif /* _MSC_VER */
  38
  39 struct eap_tlv_hdr {
  40         u16 tlv_type;
  41         u16 length;
  42 } STRUCT_PACKED;
  43
  44 struct eap_tlv_nak_tlv {
  45         u16 tlv_type;
  46         u16 length;
  47         u32 vendor_id;
  48         u16 nak_type;
  49 } STRUCT_PACKED;
  50
  51 struct eap_tlv_result_tlv {
  52         u16 tlv_type;
  53         u16 length;
  54         u16 status;
  55 } STRUCT_PACKED;
  56
  57 struct eap_tlv_intermediate_result_tlv {
  58         u16 tlv_type;
  59         u16 length;
  60         u16 status;
  61 } STRUCT_PACKED;
  62
  63 struct eap_tlv_crypto_binding__tlv {
  64         u16 tlv_type;
  65         u16 length;
  66         u8 reserved;
  67         u8 version;
  68         u8 received_version;
  69         u8 subtype;
  70         u8 nonce[32];
  71         u8 compound_mac[20];
  72 } STRUCT_PACKED;
  73
  74 struct eap_tlv_pac_ack_tlv {
  75         u16 tlv_type;
  76         u16 length;
  77         u16 pac_type;
  78         u16 pac_len;
  79         u16 result;
  80 } STRUCT_PACKED;
  81
  82 #ifdef _MSC_VER
  83 #pragma pack(pop)
  84 #endif /* _MSC_VER */
  85
  86 #define EAP_TLV_CRYPTO_BINDING_SUBTYPE_REQUEST 0
  87 #define EAP_TLV_CRYPTO_BINDING_SUBTYPE_RESPONSE 1
  88
  89
  90 u8 * eap_tlv_build_nak(int id, u16 nak_type, size_t *resp_len);
  91 u8 * eap_tlv_build_result(int id, u16 status, size_t *resp_len);
  92 int eap_tlv_process(struct eap_sm *sm, struct eap_method_ret *ret,
  93                     const struct eap_hdr *hdr, u8 **resp, size_t *resp_len);
  94
  95 #endif /* EAP_TLV_H */