2 * chap_ms.h - Challenge Handshake Authentication Protocol definitions.
4 * Copyright (c) 1995 Eric Rosenquist, Strata Software Limited.
5 * http://www.strataware.com/
9 * Redistribution and use in source and binary forms are permitted
10 * provided that the above copyright notice and this paragraph are
11 * duplicated in all such forms and that any documentation,
12 * advertising materials, and other materials related to such
13 * distribution and use acknowledge that the software was developed
14 * by Eric Rosenquist. The name of the author may not be used to
15 * endorse or promote products derived from this software without
16 * specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
20 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22 * $Id: chap_ms.h,v 1.5 2002/03/05 15:14:04 dfs Exp $
25 #ifndef __CHAPMS_INCLUDE__
27 #define MD4_SIGNATURE_SIZE 16 /* 16 bytes in a MD4 message digest */
28 #define MAX_NT_PASSWORD 256 /* Max (Unicode) chars in an NT pass */
30 #define MS_CHAP_RESPONSE_LEN 49 /* Response length for MS-CHAP */
31 #define MS_CHAP2_RESPONSE_LEN 49 /* Response length for MS-CHAPv2 */
34 * E=eeeeeeeeee error codes for MS-CHAP failure messages.
35 * Offset by 646 (the minimum code) for switch() handling on older compilers.
37 #define MS_CHAP_ERROR_BASE 646
38 #define MS_CHAP_ERROR_RESTRICTED_LOGON_HOURS (646 - MS_CHAP_ERROR_BASE)
39 #define MS_CHAP_ERROR_ACCT_DISABLED (647 - MS_CHAP_ERROR_BASE)
40 #define MS_CHAP_ERROR_PASSWD_EXPIRED (648 - MS_CHAP_ERROR_BASE)
41 #define MS_CHAP_ERROR_NO_DIALIN_PERMISSION (649 - MS_CHAP_ERROR_BASE)
42 #define MS_CHAP_ERROR_AUTHENTICATION_FAILURE (691 - MS_CHAP_ERROR_BASE)
43 #define MS_CHAP_ERROR_CHANGING_PASSWORD (709 - MS_CHAP_ERROR_BASE)
46 * Use MS_CHAP_RESPONSE_LEN, rather than sizeof(MS_ChapResponse),
47 * in case this struct gets padded.
50 u_char LANManResp[24];
52 u_char UseNT[1]; /* If 1, ignore the LANMan response field */
56 * Use MS_CHAP2_RESPONSE_LEN, rather than sizeof(MS_Chap2Response),
57 * in case this struct gets padded.
60 u_char PeerChallenge[16];
61 u_char Reserved[8]; /* Must be zero */
63 u_char Flags[1]; /* Must be zero */
66 void ChapMS __P((chap_state *, u_char *, char *, int, MS_ChapResponse *));
67 void ChapMS2 __P((chap_state *, u_char *, u_char *, char *, char *, int,
68 MS_Chap2Response *, u_char[MS_AUTH_RESPONSE_LENGTH+1]));
70 #define __CHAPMS_INCLUDE__
71 #endif /* __CHAPMS_INCLUDE__ */