xref: /freebsd/usr.sbin/ppp/chap.h (revision f522bee006875489bef6ca88c2b11b795ebc286a)
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  * $Id: chap.h,v 1.13 1999/02/18 00:52:12 brian Exp $
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 descriptor 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   u_char challenge[CHAPCHALLENGELEN + AUTHLEN];
43 #ifdef HAVE_DES
44   unsigned NTRespSent : 1;		/* Our last response */
45   int peertries;
46 #endif
47 };
48 
49 #define descriptor2chap(d) \
50   ((d)->type == CHAP_DESCRIPTOR ? (struct chap *)(d) : NULL)
51 #define auth2chap(a) (struct chap *)((char *)a - (int)&((struct chap *)0)->auth)
52 
53 extern void chap_Init(struct chap *, struct physical *);
54 extern void chap_ReInit(struct chap *);
55 extern void chap_Input(struct physical *, struct mbuf *);
56