src/kauth/prot.h

   1
   2 /*
   3  * Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
   4  * of Technology.
   5  *
   6  * For copying and distribution information, please see the file
   7  * <mit-copyright.h>.
   8  *
   9  * Include file with authentication protocol information.
  10  */
  11
  12 #ifndef PROT_DEFS
  13 #define PROT_DEFS
  14
  15 #define         KRB_PORT                750     /* PC's don't have /etc/services */
  16 #define         KRB5_PORT               88      /* PC's don't have /etc/services */
  17 #define         KRB_PROT_VERSION        4
  18 #define         MAX_PKT_LEN             1000
  19 #define         MAX_TXT_LEN             1000
  20 #define         TICKET_GRANTING_TICKET  "krbtgt"
  21
  22 /* Macro's to obtain various fields from a packet */
  23
  24 #define pkt_version(packet)  (unsigned int) *(packet->dat)
  25 #define pkt_msg_type(packet) (unsigned int) *(packet->dat+1)
  26 #define pkt_a_name(packet)   (packet->dat+2)
  27 #define pkt_a_inst(packet)   \
  28         (packet->dat+3+strlen((char *)pkt_a_name(packet)))
  29 #define pkt_a_realm(packet)  \
  30         (pkt_a_inst(packet)+1+strlen((char *)pkt_a_inst(packet)))
  31
  32 /* Macro to obtain realm from application request */
  33 #define apreq_realm(auth)     (auth->dat + 3)
  34
  35 #define pkt_time_ws(packet) (char *) \
  36         (packet->dat+5+strlen((char *)pkt_a_name(packet)) + \
  37          strlen((char *)pkt_a_inst(packet)) + \
  38          strlen((char *)pkt_a_realm(packet)))
  39
  40 #define pkt_no_req(packet) (unsigned short) \
  41         *(packet->dat+9+strlen((char *)pkt_a_name(packet)) + \
  42           strlen((char *)pkt_a_inst(packet)) + \
  43           strlen((char *)pkt_a_realm(packet)))
  44 #define pkt_x_date(packet) (char *) \
  45         (packet->dat+10+strlen((char *)pkt_a_name(packet)) + \
  46          strlen((char *)pkt_a_inst(packet)) + \
  47          strlen((char *)pkt_a_realm(packet)))
  48 #define pkt_err_code(packet) ( (char *) \
  49         (packet->dat+9+strlen((char *)pkt_a_name(packet)) + \
  50          strlen((char *)pkt_a_inst(packet)) + \
  51          strlen((char *)pkt_a_realm(packet))))
  52 #define pkt_err_text(packet) \
  53         (packet->dat+13+strlen((char *)pkt_a_name(packet)) + \
  54          strlen((char *)pkt_a_inst(packet)) + \
  55          strlen((char *)pkt_a_realm(packet)))
  56
  57 /* Routines to create and read packets may be found in prot.c */
  58
  59                                                                                                                                                                  /* KTEXT create_auth_reply(); *//* removed 890221 */
  60                                                                                                                                                                            /* KTEXT create_death_packet(); *//* removed 890221 */
  61                                                                                                                               /* KTEXT pkt_cipher(); *//* removed 890221 */
  62
  63 /* Message types , always leave lsb for byte order */
  64
  65 #define         AUTH_MSG_KDC_REQUEST                     1<<1
  66 #define         AUTH_MSG_KDC_REPLY                       2<<1
  67 #define         AUTH_MSG_APPL_REQUEST                    3<<1
  68 #define         AUTH_MSG_APPL_REQUEST_MUTUAL             4<<1
  69 #define         AUTH_MSG_ERR_REPLY                       5<<1
  70 #define         AUTH_MSG_PRIVATE                         6<<1
  71 #define         AUTH_MSG_SAFE                            7<<1
  72 #define         AUTH_MSG_APPL_ERR                        8<<1
  73 #define         AUTH_MSG_DIE                            63<<1
  74
  75 /* values for kerb error codes */
  76 /* EXP errors are:   Principal expired, Service expired, Auth expired,
  77  * but are not currently used much */
  78
  79 #define         KERB_ERR_OK                              0
  80 #define         KERB_ERR_NAME_EXP                        1
  81 #define         KERB_ERR_SERVICE_EXP                     2
  82 #define         KERB_ERR_AUTH_EXP                        3
  83 #define         KERB_ERR_PKT_VER                         4
  84 #define         KERB_ERR_NAME_MAST_KEY_VER               5
  85 #define         KERB_ERR_SERV_MAST_KEY_VER               6
  86 #define         KERB_ERR_BYTE_ORDER                      7
  87 #define         KERB_ERR_PRINCIPAL_UNKNOWN               8
  88 #define         KERB_ERR_PRINCIPAL_NOT_UNIQUE            9
  89 #define         KERB_ERR_NULL_KEY                       10
  90 #define         KERB_ERR_MAXIMUM                        10
  91
  92 #endif /* PROT_DEFS */