X-Git-Url: https://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fchap_ms.h;h=b3fdae61571d0fa954c7dd3b361b4fc1d60abd41;hp=2d7c7e918b5af77f85f85f1855992017b3578d1d;hb=HEAD;hpb=e79f90482eb6f90c3f1fe7732258756d2ea0277f diff --git a/pppd/chap_ms.h b/pppd/chap_ms.h index 2d7c7e9..b3fdae6 100644 --- a/pppd/chap_ms.h +++ b/pppd/chap_ms.h @@ -1,32 +1,106 @@ /* - * chap.h - Challenge Handshake Authentication Protocol definitions. + * chap_ms.h - Challenge Handshake Authentication Protocol definitions. * - * Copyright (c) 1995 Eric Rosenquist, Strata Software Limited. - * http://www.strataware.com/ + * Copyright (c) 1995 Eric Rosenquist. All rights reserved. * - * All rights reserved. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by Eric Rosenquist. The name of the author may not be used to - * endorse or promote products derived from this software without - * specific prior written permission. + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. * - * $Id: chap_ms.h,v 1.1 1996/05/28 00:42:31 paulus Exp $ + * 3. The name(s) of the authors of this software must not be used to + * endorse or promote products derived from this software without + * prior written permission. + * + * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO + * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN + * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $Id: chap_ms.h,v 1.13 2004/11/15 22:13:26 paulus Exp $ */ -#ifndef __CHAPMS_INCLUDE__ +#ifndef PPP_CHAPMS_H +#define PPP_CHAPMS_H + +#include "pppdconf.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define MAX_NT_PASSWORD 256 /* Max (Unicode) chars in an NT pass */ + +#define MS_CHAP_RESPONSE_LEN 49 /* Response length for MS-CHAP */ +#define MS_CHAP2_RESPONSE_LEN 49 /* Response length for MS-CHAPv2 */ +#define MS_AUTH_RESPONSE_LENGTH 40 /* MS-CHAPv2 authenticator response, */ +#define MS_AUTH_NTRESP_LEN 24 /* Length of NT-response field */ + /* as ASCII */ + +/* E=eeeeeeeeee error codes for MS-CHAP failure messages. */ +#define MS_CHAP_ERROR_RESTRICTED_LOGON_HOURS 646 +#define MS_CHAP_ERROR_ACCT_DISABLED 647 +#define MS_CHAP_ERROR_PASSWD_EXPIRED 648 +#define MS_CHAP_ERROR_NO_DIALIN_PERMISSION 649 +#define MS_CHAP_ERROR_AUTHENTICATION_FAILURE 691 +#define MS_CHAP_ERROR_CHANGING_PASSWORD 709 + +/* + * Offsets within the response field for MS-CHAP + */ +#define MS_CHAP_LANMANRESP 0 +#define MS_CHAP_LANMANRESP_LEN 24 +#define MS_CHAP_NTRESP 24 +#define MS_CHAP_NTRESP_LEN 24 +#define MS_CHAP_USENT 48 + +/* + * Offsets within the response field for MS-CHAP2 + */ +#define MS_CHAP2_PEER_CHALLENGE 0 +#define MS_CHAP2_PEER_CHAL_LEN 16 +#define MS_CHAP2_RESERVED_LEN 8 +#define MS_CHAP2_NTRESP 24 +#define MS_CHAP2_NTRESP_LEN 24 +#define MS_CHAP2_FLAGS 48 + +/* Are we the authenticator or authenticatee? For MS-CHAPv2 key derivation. */ +#define MS_CHAP2_AUTHENTICATEE 0 +#define MS_CHAP2_AUTHENTICATOR 1 + +void ChapMS (u_char *, char *, int, u_char *); +void ChapMS2 (u_char *, u_char *, char *, char *, int, + u_char *, u_char[MS_AUTH_RESPONSE_LENGTH+1], int); + +void ChallengeHash (u_char[16], u_char *, char *, u_char[8]); + + +/** + * PasswordHashHash - 16 bytes representing the NT Password Hash Hash + * NTResponse - 24 bytes represending the NTResponse parameter + * PeerChallenge - 16 bytes challange for peer + * rchallenge - 16 bytes challenge provided by peer + * authResponse - 24 + 1 byte to store the authenticator response + */ +void GenerateAuthenticatorResponse(unsigned char *PasswordHashHash, + unsigned char *NTResponse, unsigned char *PeerChallenge, + unsigned char *rchallenge, char *username, + unsigned char *authResponse); -#define MAX_NT_PASSWORD 256 /* Maximum number of (Unicode) chars in an NT password */ +void chapms_init(void); -void ChapMS __P((chap_state *, char *, int, char *, int)); +#ifdef __cplusplus +} +#endif -#define __CHAPMS_INCLUDE__ -#endif /* __CHAPMS_INCLUDE__ */ +#endif /* PPP_CHAPMS_H */