1*86d7f5d3SJohn Marino /*- 2*86d7f5d3SJohn Marino * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org> 3*86d7f5d3SJohn Marino * based on work by Toshiharu OHNO <tony-o@iij.ad.jp> 4*86d7f5d3SJohn Marino * Internet Initiative Japan, Inc (IIJ) 5*86d7f5d3SJohn Marino * All rights reserved. 6*86d7f5d3SJohn Marino * 7*86d7f5d3SJohn Marino * Redistribution and use in source and binary forms, with or without 8*86d7f5d3SJohn Marino * modification, are permitted provided that the following conditions 9*86d7f5d3SJohn Marino * are met: 10*86d7f5d3SJohn Marino * 1. Redistributions of source code must retain the above copyright 11*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer. 12*86d7f5d3SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright 13*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer in the 14*86d7f5d3SJohn Marino * documentation and/or other materials provided with the distribution. 15*86d7f5d3SJohn Marino * 16*86d7f5d3SJohn Marino * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17*86d7f5d3SJohn Marino * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18*86d7f5d3SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19*86d7f5d3SJohn Marino * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20*86d7f5d3SJohn Marino * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21*86d7f5d3SJohn Marino * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22*86d7f5d3SJohn Marino * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23*86d7f5d3SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24*86d7f5d3SJohn Marino * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25*86d7f5d3SJohn Marino * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26*86d7f5d3SJohn Marino * SUCH DAMAGE. 27*86d7f5d3SJohn Marino * 28*86d7f5d3SJohn Marino * $FreeBSD: src/usr.sbin/ppp/chap.h,v 1.17.2.4 2002/09/01 02:12:23 brian Exp $ 29*86d7f5d3SJohn Marino */ 30*86d7f5d3SJohn Marino 31*86d7f5d3SJohn Marino struct mbuf; 32*86d7f5d3SJohn Marino struct physical; 33*86d7f5d3SJohn Marino 34*86d7f5d3SJohn Marino #define CHAP_CHALLENGE 1 35*86d7f5d3SJohn Marino #define CHAP_RESPONSE 2 36*86d7f5d3SJohn Marino #define CHAP_SUCCESS 3 37*86d7f5d3SJohn Marino #define CHAP_FAILURE 4 38*86d7f5d3SJohn Marino 39*86d7f5d3SJohn Marino struct chap { 40*86d7f5d3SJohn Marino struct fdescriptor desc; 41*86d7f5d3SJohn Marino struct { 42*86d7f5d3SJohn Marino pid_t pid; 43*86d7f5d3SJohn Marino int fd; 44*86d7f5d3SJohn Marino struct { 45*86d7f5d3SJohn Marino char ptr[AUTHLEN * 2 + 3]; /* Allow for \r\n at the end (- NUL) */ 46*86d7f5d3SJohn Marino int len; 47*86d7f5d3SJohn Marino } buf; 48*86d7f5d3SJohn Marino } child; 49*86d7f5d3SJohn Marino struct authinfo auth; 50*86d7f5d3SJohn Marino struct { 51*86d7f5d3SJohn Marino u_char local[CHAPCHALLENGELEN + AUTHLEN]; /* I invented this one */ 52*86d7f5d3SJohn Marino u_char peer[CHAPCHALLENGELEN + AUTHLEN]; /* Peer gave us this one */ 53*86d7f5d3SJohn Marino } challenge; 54*86d7f5d3SJohn Marino #ifndef NODES 55*86d7f5d3SJohn Marino unsigned NTRespSent : 1; /* Our last response */ 56*86d7f5d3SJohn Marino int peertries; 57*86d7f5d3SJohn Marino u_char authresponse[CHAPAUTHRESPONSELEN]; /* CHAP 81 response */ 58*86d7f5d3SJohn Marino #endif 59*86d7f5d3SJohn Marino }; 60*86d7f5d3SJohn Marino 61*86d7f5d3SJohn Marino #define descriptor2chap(d) \ 62*86d7f5d3SJohn Marino ((d)->type == CHAP_DESCRIPTOR ? (struct chap *)(d) : NULL) 63*86d7f5d3SJohn Marino #define auth2chap(a) \ 64*86d7f5d3SJohn Marino ((struct chap *)((char *)a - (uintptr_t)&((struct chap *)0)->auth)) 65*86d7f5d3SJohn Marino 66*86d7f5d3SJohn Marino struct MSCHAPv2_resp { /* rfc2759 */ 67*86d7f5d3SJohn Marino char PeerChallenge[16]; 68*86d7f5d3SJohn Marino char Reserved[8]; 69*86d7f5d3SJohn Marino char NTResponse[24]; 70*86d7f5d3SJohn Marino char Flags; 71*86d7f5d3SJohn Marino }; 72*86d7f5d3SJohn Marino 73*86d7f5d3SJohn Marino extern void chap_Init(struct chap *, struct physical *); 74*86d7f5d3SJohn Marino extern void chap_ReInit(struct chap *); 75*86d7f5d3SJohn Marino extern struct mbuf *chap_Input(struct bundle *, struct link *, struct mbuf *); 76