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