common/ayiya.h

   1 /**********************************************************
   2  SixXS - Automatic IPv6 Connectivity Configuration Utility
   3 ***********************************************************
   4  Copyright 2003-2005 SixXS - http://www.sixxs.net
   5 ***********************************************************
   6  common/ayiya.c - AYIYA - Anything In Anything
   7 ***********************************************************
   8  $Author: jeroen $
   9  $Id: ayiya.h,v 1.10 2006-07-13 19:33:39 jeroen Exp $
  10  $Date: 2006-07-13 19:33:39 $
  11 **********************************************************/
  12
  13 #ifndef AYIYA_H
  14 #define AYIYA_H "H5K7:W3NDY5UU5N1K1N1C0l3"
  15
  16 #include "common.h"
  17 #include "tic.h"
  18
  19 /* Anything In Anything - AYIYA (uses UDP in our case) */
  20 #define AYIYA_PORT      "5072"
  21 /*#define AYIYA_PORT    "8374"*/
  22
  23 /*
  24  * AYIYA version (which document this should conform to)
  25  * Per draft-massar-v6ops-ayiya-02 (July 2004)
  26  */
  27 #define AYIYA_VERSION   "draft-02"
  28
  29 enum ayiya_identities
  30 {
  31         ayiya_id_none                   = 0x0,  /* None */
  32         ayiya_id_integer                = 0x1,  /* Integer */
  33         ayiya_id_string                 = 0x2   /* ASCII String */
  34 };
  35
  36 enum ayiya_hash
  37 {
  38         ayiya_hash_none                 = 0x0,  /* No hash */
  39         ayiya_hash_md5                  = 0x1,  /* MD5 Signature */
  40         ayiya_hash_sha1                 = 0x2,  /* SHA1 Signature */
  41         ayiya_hash_umac                 = 0x3   /* UMAC Signature (UMAC: Message Authentication Code using Universal Hashing / draft-krovetz-umac-04.txt */
  42 };
  43
  44 enum ayiya_auth
  45 {
  46         ayiya_auth_none                 = 0x0,  /* No authentication */
  47         ayiya_auth_sharedsecret         = 0x1,  /* Shared Secret */
  48         ayiya_auth_pgp                  = 0x2   /* Public/Private Key */
  49 };
  50
  51 enum ayiya_opcode
  52 {
  53         ayiya_op_noop                   = 0x0,  /* No Operation */
  54         ayiya_op_forward                = 0x1,  /* Forward */
  55         ayiya_op_echo_request           = 0x2,  /* Echo Request */
  56         ayiya_op_echo_request_forward   = 0x3,  /* Echo Request and Forward */
  57         ayiya_op_echo_response          = 0x4,  /* Echo Response */
  58         ayiya_op_motd                   = 0x5,  /* MOTD */
  59         ayiya_op_query_request          = 0x6,  /* Query Request */
  60         ayiya_op_query_response         = 0x7   /* Query Response */
  61 };
  62
  63 struct ayiyahdr
  64 {
  65 #if BYTE_ORDER == BIG_ENDIAN
  66         uint32_t        ayh_idlen:  4;          /* Identity Length */
  67         uint32_t        ayh_idtype: 4;          /* Identity Type */
  68         uint32_t        ayh_siglen: 4;          /* Signature Length */
  69         uint32_t        ayh_hshmeth:4;          /* Hashing Method */
  70         uint32_t        ayh_autmeth:4;          /* Authentication Method */
  71         uint32_t        ayh_opcode: 4;          /* Operation Code */
  72         uint32_t        ayh_nextheader:8;       /* Next Header (PROTO_*) */
  73 #elif BYTE_ORDER == LITTLE_ENDIAN
  74         uint32_t        ayh_idtype: 4;          /* Identity Type */
  75         uint32_t        ayh_idlen:  4;          /* Identity Length */
  76         uint32_t        ayh_hshmeth:4;          /* Hashing Method */
  77         uint32_t        ayh_siglen: 4;          /* Signature Length */
  78         uint32_t        ayh_opcode: 4;          /* Operation Code */
  79         uint32_t        ayh_autmeth:4;          /* Authentication Method */
  80         uint32_t        ayh_nextheader:8;       /* Next Header (PROTO_*) */
  81 #else
  82 #error unsupported endianness!
  83 #endif
  84         uint32_t        ayh_epochtime;          /* Time in seconds since "00:00:00 1970-01-01 UTC" */
  85 };
  86
  87 /* Functions */
  88 bool ayiya(struct TIC_Tunnel *hTunnel);
  89 void ayiya_beat(void);
  90
  91 #endif /* AYIYA_H */
  92