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/* $Id: prot.h,v 1.1 1995/12/14 06:52:33 tholo Exp $ */
/*-
* Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
* of Technology.
*
* For copying and distribution information, please see the file
* <mit-copyright.h>.
*
* Include file with authentication protocol information.
*/
#ifndef PROT_DEFS
#define PROT_DEFS
#define KRB_PORT 750 /* PC's don't have
* /etc/services */
#define KRB_PROT_VERSION 4
#define MAX_PKT_LEN 1000
#define MAX_TXT_LEN 1000
#define TICKET_GRANTING_TICKET "krbtgt"
/* Macro's to obtain various fields from a packet */
#define pkt_version(packet) (unsigned int) *(packet->dat)
#define pkt_msg_type(packet) (unsigned int) *(packet->dat+1)
#define pkt_a_name(packet) (packet->dat+2)
#define pkt_a_inst(packet) \
(packet->dat+3+strlen((char *)pkt_a_name(packet)))
#define pkt_a_realm(packet) \
(pkt_a_inst(packet)+1+strlen((char *)pkt_a_inst(packet)))
/* Macro to obtain realm from application request */
#define apreq_realm(auth) (auth->dat + 3)
#define pkt_time_ws(packet) (char *) \
(packet->dat+5+strlen((char *)pkt_a_name(packet)) + \
strlen((char *)pkt_a_inst(packet)) + \
strlen((char *)pkt_a_realm(packet)))
#define pkt_no_req(packet) (unsigned short) \
*(packet->dat+9+strlen((char *)pkt_a_name(packet)) + \
strlen((char *)pkt_a_inst(packet)) + \
strlen((char *)pkt_a_realm(packet)))
#define pkt_x_date(packet) (char *) \
(packet->dat+10+strlen((char *)pkt_a_name(packet)) + \
strlen((char *)pkt_a_inst(packet)) + \
strlen((char *)pkt_a_realm(packet)))
#define pkt_err_code(packet) ( (char *) \
(packet->dat+9+strlen((char *)pkt_a_name(packet)) + \
strlen((char *)pkt_a_inst(packet)) + \
strlen((char *)pkt_a_realm(packet))))
#define pkt_err_text(packet) \
(packet->dat+13+strlen((char *)pkt_a_name(packet)) + \
strlen((char *)pkt_a_inst(packet)) + \
strlen((char *)pkt_a_realm(packet)))
/* Routines to create and read packets may be found in prot.c */
KTEXT create_auth_reply();
KTEXT create_death_packet();
/* Message types , always leave lsb for byte order */
#define AUTH_MSG_KDC_REQUEST 1<<1
#define AUTH_MSG_KDC_REPLY 2<<1
#define AUTH_MSG_APPL_REQUEST 3<<1
#define AUTH_MSG_APPL_REQUEST_MUTUAL 4<<1
#define AUTH_MSG_ERR_REPLY 5<<1
#define AUTH_MSG_PRIVATE 6<<1
#define AUTH_MSG_SAFE 7<<1
#define AUTH_MSG_APPL_ERR 8<<1
#define AUTH_MSG_DIE 63<<1
/* values for kerb error codes */
#define KERB_ERR_OK 0
#define KERB_ERR_NAME_EXP 1
#define KERB_ERR_SERVICE_EXP 2
#define KERB_ERR_AUTH_EXP 3
#define KERB_ERR_PKT_VER 4
#define KERB_ERR_NAME_MAST_KEY_VER 5
#define KERB_ERR_SERV_MAST_KEY_VER 6
#define KERB_ERR_BYTE_ORDER 7
#define KERB_ERR_PRINCIPAL_UNKNOWN 8
#define KERB_ERR_PRINCIPAL_NOT_UNIQUE 9
#define KERB_ERR_NULL_KEY 10
#endif /* PROT_DEFS */
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