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111 lines
3.8 KiB
111 lines
3.8 KiB
/*
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* upap.h - User/Password Authentication Protocol definitions.
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*
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* Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The name "Carnegie Mellon University" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For permission or any legal
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* details, please contact
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* Office of Technology Transfer
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* Carnegie Mellon University
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* 5000 Forbes Avenue
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* Pittsburgh, PA 15213-3890
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* (412) 268-4387, fax: (412) 268-7395
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* tech-transfer@andrew.cmu.edu
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*
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* 4. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by Computing Services
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* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
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*
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* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
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* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
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* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $Id: upap.h,v 1.8 2002/12/04 23:03:33 paulus Exp $
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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 4
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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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