2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
5 * based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
6 * Internet Initiative Japan, Inc (IIJ)
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 #define CHAP_CHALLENGE 1
37 #define CHAP_RESPONSE 2
38 #define CHAP_SUCCESS 3
39 #define CHAP_FAILURE 4
42 struct fdescriptor desc;
47 char ptr[AUTHLEN * 2 + 3]; /* Allow for \r\n at the end (- NUL) */
53 u_char local[CHAPCHALLENGELEN + AUTHLEN]; /* I invented this one */
54 u_char peer[CHAPCHALLENGELEN + AUTHLEN]; /* Peer gave us this one */
57 unsigned NTRespSent : 1; /* Our last response */
59 u_char authresponse[CHAPAUTHRESPONSELEN]; /* CHAP 81 response */
63 #define descriptor2chap(d) \
64 ((d)->type == CHAP_DESCRIPTOR ? (struct chap *)(d) : NULL)
65 #define auth2chap(a) \
66 ((struct chap *)((char *)a - (uintptr_t)&((struct chap *)0)->auth))
68 struct MSCHAPv2_resp { /* rfc2759 */
69 char PeerChallenge[16];
75 extern void chap_Init(struct chap *, struct physical *);
76 extern void chap_ReInit(struct chap *);
77 extern struct mbuf *chap_Input(struct bundle *, struct link *, struct mbuf *);