88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* 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(int, char *, char *);
|
|
void upap_authpeer(int);
|
|
|
|
extern struct protent pap_protent;
|