1 /* 2 * Written by Toshiharu OHNO (tony-o@iij.ad.jp) 3 * 4 * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd. 5 * 6 * Redistribution and use in source and binary forms are permitted 7 * provided that the above copyright notice and this paragraph are 8 * duplicated in all such forms and that any documentation, 9 * advertising materials, and other materials related to such 10 * distribution and use acknowledge that the software was developed 11 * by the Internet Initiative Japan. The name of the 12 * IIJ may not be used to endorse or promote products derived 13 * from this software without specific prior written permission. 14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 17 * 18 * $FreeBSD$ 19 * 20 * TODO: 21 */ 22 23 struct mbuf; 24 struct physical; 25 26 #define CHAP_CHALLENGE 1 27 #define CHAP_RESPONSE 2 28 #define CHAP_SUCCESS 3 29 #define CHAP_FAILURE 4 30 31 struct chap { 32 struct fdescriptor desc; 33 struct { 34 pid_t pid; 35 int fd; 36 struct { 37 char ptr[AUTHLEN * 2 + 3]; /* Allow for \r\n at the end (- NUL) */ 38 int len; 39 } buf; 40 } child; 41 struct authinfo auth; 42 struct { 43 u_char local[CHAPCHALLENGELEN + AUTHLEN]; /* I invented this one */ 44 u_char peer[CHAPCHALLENGELEN + AUTHLEN]; /* Peer gave us this one */ 45 } challenge; 46 #ifdef HAVE_DES 47 unsigned NTRespSent : 1; /* Our last response */ 48 int peertries; 49 #endif 50 }; 51 52 #define descriptor2chap(d) \ 53 ((d)->type == CHAP_DESCRIPTOR ? (struct chap *)(d) : NULL) 54 #define auth2chap(a) (struct chap *)((char *)a - (int)&((struct chap *)0)->auth) 55 56 extern void chap_Init(struct chap *, struct physical *); 57 extern void chap_ReInit(struct chap *); 58 extern struct mbuf *chap_Input(struct bundle *, struct link *, struct mbuf *); 59