69 lines
2.5 KiB
C
69 lines
2.5 KiB
C
/*-
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* Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
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* based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
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* Internet Initiative Japan, Inc (IIJ)
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* 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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* 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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struct mbuf;
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struct physical;
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#define CHAP_CHALLENGE 1
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#define CHAP_RESPONSE 2
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#define CHAP_SUCCESS 3
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#define CHAP_FAILURE 4
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struct chap {
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struct fdescriptor desc;
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struct {
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pid_t pid;
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int fd;
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struct {
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char ptr[AUTHLEN * 2 + 3]; /* Allow for \r\n at the end (- NUL) */
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int len;
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} buf;
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} child;
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struct authinfo auth;
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struct {
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u_char local[CHAPCHALLENGELEN + AUTHLEN]; /* I invented this one */
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u_char peer[CHAPCHALLENGELEN + AUTHLEN]; /* Peer gave us this one */
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} challenge;
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#ifdef HAVE_DES
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unsigned NTRespSent : 1; /* Our last response */
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int peertries;
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u_char authresponse[CHAPAUTHRESPONSELEN]; /* CHAP 81 response */
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#endif
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};
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#define descriptor2chap(d) \
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((d)->type == CHAP_DESCRIPTOR ? (struct chap *)(d) : NULL)
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#define auth2chap(a) \
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((struct chap *)((char *)a - (int)&((struct chap *)0)->auth))
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extern void chap_Init(struct chap *, struct physical *);
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extern void chap_ReInit(struct chap *);
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extern struct mbuf *chap_Input(struct bundle *, struct link *, struct mbuf *);
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