1 /*- 2 * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org> 3 * based on work by Toshiharu OHNO <tony-o@iij.ad.jp> 4 * Internet Initiative Japan, Inc (IIJ) 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD: src/usr.sbin/ppp/chap.h,v 1.17.2.4 2002/09/01 02:12:23 brian Exp $ 29 * $DragonFly: src/usr.sbin/ppp/chap.h,v 1.2 2003/06/17 04:30:00 dillon Exp $ 30 */ 31 32 struct mbuf; 33 struct physical; 34 35 #define CHAP_CHALLENGE 1 36 #define CHAP_RESPONSE 2 37 #define CHAP_SUCCESS 3 38 #define CHAP_FAILURE 4 39 40 struct chap { 41 struct fdescriptor desc; 42 struct { 43 pid_t pid; 44 int fd; 45 struct { 46 char ptr[AUTHLEN * 2 + 3]; /* Allow for \r\n at the end (- NUL) */ 47 int len; 48 } buf; 49 } child; 50 struct authinfo auth; 51 struct { 52 u_char local[CHAPCHALLENGELEN + AUTHLEN]; /* I invented this one */ 53 u_char peer[CHAPCHALLENGELEN + AUTHLEN]; /* Peer gave us this one */ 54 } challenge; 55 #ifndef NODES 56 unsigned NTRespSent : 1; /* Our last response */ 57 int peertries; 58 u_char authresponse[CHAPAUTHRESPONSELEN]; /* CHAP 81 response */ 59 #endif 60 }; 61 62 #define descriptor2chap(d) \ 63 ((d)->type == CHAP_DESCRIPTOR ? (struct chap *)(d) : NULL) 64 #define auth2chap(a) \ 65 ((struct chap *)((char *)a - (int)&((struct chap *)0)->auth)) 66 67 struct MSCHAPv2_resp { /* rfc2759 */ 68 char PeerChallenge[16]; 69 char Reserved[8]; 70 char NTResponse[24]; 71 char Flags; 72 }; 73 74 extern void chap_Init(struct chap *, struct physical *); 75 extern void chap_ReInit(struct chap *); 76 extern struct mbuf *chap_Input(struct bundle *, struct link *, struct mbuf *); 77