contrib/wpa_supplicant-0.4.9/eap_tlv.h

   1 /*
   2  * WPA Supplicant / EAP-TLV (draft-josefsson-pppext-eap-tls-eap-07.txt)
   3  * Copyright (c) 2004-2005, Jouni Malinen <jkmaline@cc.hut.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 struct eap_tlv_hdr {
  36         u16 tlv_type;
  37         u16 length;
  38 };
  39
  40 struct eap_tlv_nak_tlv {
  41         u16 tlv_type;
  42         u16 length;
  43         u32 vendor_id;
  44         u16 nak_type;
  45 } __attribute__((packed));
  46
  47 struct eap_tlv_result_tlv {
  48         u16 tlv_type;
  49         u16 length;
  50         u16 status;
  51 } __attribute__((packed));
  52
  53 struct eap_tlv_intermediate_result_tlv {
  54         u16 tlv_type;
  55         u16 length;
  56         u16 status;
  57 } __attribute__((packed));
  58
  59 struct eap_tlv_crypto_binding__tlv {
  60         u16 tlv_type;
  61         u16 length;
  62         u8 reserved;
  63         u8 version;
  64         u8 received_version;
  65         u8 subtype;
  66         u8 nonce[32];
  67         u8 compound_mac[20];
  68 } __attribute__((packed));
  69
  70 struct eap_tlv_pac_ack_tlv {
  71         u16 tlv_type;
  72         u16 length;
  73         u16 pac_type;
  74         u16 pac_len;
  75         u16 result;
  76 } __attribute__((packed));
  77
  78 #define EAP_TLV_CRYPTO_BINDING_SUBTYPE_REQUEST 0
  79 #define EAP_TLV_CRYPTO_BINDING_SUBTYPE_RESPONSE 1
  80
  81
  82 u8 * eap_tlv_build_nak(int id, u16 nak_type, size_t *resp_len);
  83 u8 * eap_tlv_build_result(int id, u16 status, size_t *resp_len);
  84 int eap_tlv_process(struct eap_sm *sm, struct eap_method_ret *ret,
  85                     const struct eap_hdr *hdr, u8 **resp, size_t *resp_len);
  86
  87 #endif /* EAP_TLV_H */