106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
/*
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* $Id: prot.h,v 1.7 1997/03/23 03:52:27 joda Exp $
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*
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* Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
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* of Technology.
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*
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* For copying and distribution information, please see the file
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* <mit-copyright.h>.
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*
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* Include file with authentication protocol information.
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*/
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#ifndef PROT_DEFS
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#define PROT_DEFS
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#define KRB_SERVICE "kerberos-iv"
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#define KRB_PORT 750 /* PC's don't have
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* /etc/services */
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#define KRB_PROT_VERSION 4
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#define MAX_PKT_LEN 1000
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#define MAX_TXT_LEN 1000
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/* Macro's to obtain various fields from a packet */
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#define pkt_version(packet) (unsigned int) *(packet->dat)
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#define pkt_msg_type(packet) (unsigned int) *(packet->dat+1)
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#define pkt_a_name(packet) (packet->dat+2)
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#define pkt_a_inst(packet) \
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(packet->dat+3+strlen((char *)pkt_a_name(packet)))
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#define pkt_a_realm(packet) \
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(pkt_a_inst(packet)+1+strlen((char *)pkt_a_inst(packet)))
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/* Macro to obtain realm from application request */
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#define apreq_realm(auth) (auth->dat + 3)
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#define pkt_time_ws(packet) (char *) \
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(packet->dat+5+strlen((char *)pkt_a_name(packet)) + \
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strlen((char *)pkt_a_inst(packet)) + \
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strlen((char *)pkt_a_realm(packet)))
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#define pkt_no_req(packet) (unsigned short) \
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*(packet->dat+9+strlen((char *)pkt_a_name(packet)) + \
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strlen((char *)pkt_a_inst(packet)) + \
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strlen((char *)pkt_a_realm(packet)))
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#define pkt_x_date(packet) (char *) \
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(packet->dat+10+strlen((char *)pkt_a_name(packet)) + \
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strlen((char *)pkt_a_inst(packet)) + \
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strlen((char *)pkt_a_realm(packet)))
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#define pkt_err_code(packet) ( (char *) \
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(packet->dat+9+strlen((char *)pkt_a_name(packet)) + \
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strlen((char *)pkt_a_inst(packet)) + \
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strlen((char *)pkt_a_realm(packet))))
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#define pkt_err_text(packet) \
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(packet->dat+13+strlen((char *)pkt_a_name(packet)) + \
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strlen((char *)pkt_a_inst(packet)) + \
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strlen((char *)pkt_a_realm(packet)))
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/* Routines to create and read packets may be found in prot.c */
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KTEXT create_auth_reply(char *pname, char *pinst, char *prealm,
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int32_t time_ws, int n, u_int32_t x_date,
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int kvno, KTEXT cipher);
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#ifdef DEBUG
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KTEXT krb_create_death_packet(char *a_name);
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#endif
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/* Message types , always leave lsb for byte order */
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#define AUTH_MSG_KDC_REQUEST 1<<1
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#define AUTH_MSG_KDC_REPLY 2<<1
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#define AUTH_MSG_APPL_REQUEST 3<<1
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#define AUTH_MSG_APPL_REQUEST_MUTUAL 4<<1
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#define AUTH_MSG_ERR_REPLY 5<<1
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#define AUTH_MSG_PRIVATE 6<<1
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#define AUTH_MSG_SAFE 7<<1
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#define AUTH_MSG_APPL_ERR 8<<1
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#define AUTH_MSG_KDC_FORWARD 9<<1
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#define AUTH_MSG_KDC_RENEW 10<<1
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#define AUTH_MSG_DIE 63<<1
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/* values for kerb error codes */
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#define KERB_ERR_OK 0
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#define KERB_ERR_NAME_EXP 1
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#define KERB_ERR_SERVICE_EXP 2
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#define KERB_ERR_AUTH_EXP 3
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#define KERB_ERR_PKT_VER 4
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#define KERB_ERR_NAME_MAST_KEY_VER 5
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#define KERB_ERR_SERV_MAST_KEY_VER 6
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#define KERB_ERR_BYTE_ORDER 7
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#define KERB_ERR_PRINCIPAL_UNKNOWN 8
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#define KERB_ERR_PRINCIPAL_NOT_UNIQUE 9
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#define KERB_ERR_NULL_KEY 10
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#define KERB_ERR_TIMEOUT 11
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/* sendauth - recvauth */
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/*
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* If the protocol changes, you will need to change the version string
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* be sure to support old versions of krb_sendauth!
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*/
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#define KRB_SENDAUTH_VERS "AUTHV0.1" /* MUST be KRB_SENDAUTH_VLEN chars */
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#endif /* PROT_DEFS */
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