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/*
* upap.h - User/Password Authentication Protocol definitions.
*
* Copyright (c) 1989 Carnegie Mellon University.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by Carnegie Mellon University. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: upap.h,v 1.6 1996/07/01 01:21:45 paulus Exp $
*/
/*
* Packet header = Code, id, length.
*/
#define UPAP_HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short))
/*
* UPAP codes.
*/
#define UPAP_AUTHREQ 1 /* Authenticate-Request */
#define UPAP_AUTHACK 2 /* Authenticate-Ack */
#define UPAP_AUTHNAK 3 /* Authenticate-Nak */
/*
* Each interface is described by upap structure.
*/
typedef struct upap_state {
int us_unit; /* Interface unit number */
char *us_user; /* User */
int us_userlen; /* User length */
char *us_passwd; /* Password */
int us_passwdlen; /* Password length */
int us_clientstate; /* Client state */
int us_serverstate; /* Server state */
u_char us_id; /* Current id */
int us_timeouttime; /* Timeout (seconds) for auth-req retrans. */
int us_transmits; /* Number of auth-reqs sent */
int us_maxtransmits; /* Maximum number of auth-reqs to send */
int us_reqtimeout; /* Time to wait for auth-req from peer */
} upap_state;
/*
* Client states.
*/
#define UPAPCS_INITIAL 0 /* Connection down */
#define UPAPCS_CLOSED 1 /* Connection up, haven't requested auth */
#define UPAPCS_PENDING 2 /* Connection down, have requested auth */
#define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */
#define UPAPCS_OPEN 4 /* We've received an Ack */
#define UPAPCS_BADAUTH 5 /* We've received a Nak */
/*
* Server states.
*/
#define UPAPSS_INITIAL 0 /* Connection down */
#define UPAPSS_CLOSED 1 /* Connection up, haven't requested auth */
#define UPAPSS_PENDING 2 /* Connection down, have requested auth */
#define UPAPSS_LISTEN 3 /* Listening for an Authenticate */
#define UPAPSS_OPEN 4 /* We've sent an Ack */
#define UPAPSS_BADAUTH 5 /* We've sent a Nak */
/*
* Timeouts.
*/
#define UPAP_DEFTIMEOUT 3 /* Timeout (seconds) for retransmitting req */
#define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */
extern upap_state upap[];
void upap_authwithpeer __P((int, char *, char *));
void upap_authpeer __P((int));
extern struct protent pap_protent;
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