/*
- * 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/
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
- * $Id: chap_ms.h,v 1.2 1997/11/27 06:08:10 paulus Exp $
+ * $Id: chap_ms.h,v 1.6 2002/04/02 13:54:59 dfs Exp $
*/
#ifndef __CHAPMS_INCLUDE__
#define MD4_SIGNATURE_SIZE 16 /* 16 bytes in a MD4 message digest */
-#define MAX_NT_PASSWORD 256 /* Maximum number of (Unicode) chars in an NT password */
+#define MAX_NT_PASSWORD 256 /* Max (Unicode) chars in an NT pass */
-void ChapMS __P((chap_state *, char *, int, char *, int));
+#define MS_CHAP_RESPONSE_LEN 49 /* Response length for MS-CHAP */
+#define MS_CHAP2_RESPONSE_LEN 49 /* Response length for MS-CHAPv2 */
+
+/* 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
+
+/*
+ * Use MS_CHAP_RESPONSE_LEN, rather than sizeof(MS_ChapResponse),
+ * in case this struct gets padded.
+ */
+typedef struct {
+ u_char LANManResp[24];
+ u_char NTResp[24];
+ u_char UseNT[1]; /* If 1, ignore the LANMan response field */
+} MS_ChapResponse;
+
+/*
+ * Use MS_CHAP2_RESPONSE_LEN, rather than sizeof(MS_Chap2Response),
+ * in case this struct gets padded.
+ */
+typedef struct {
+ u_char PeerChallenge[16];
+ u_char Reserved[8]; /* Must be zero */
+ u_char NTResp[24];
+ u_char Flags[1]; /* Must be zero */
+} MS_Chap2Response;
+
+#ifdef MPPE
+#include <net/ppp-comp.h> /* MPPE_MAX_KEY_LEN */
+extern u_char mppe_send_key[MPPE_MAX_KEY_LEN];
+extern u_char mppe_recv_key[MPPE_MAX_KEY_LEN];
+#endif
+
+/* Are we the authenticator or authenticatee? For MS-CHAPv2 key derivation. */
+#define MS_CHAP2_AUTHENTICATEE 0
+#define MS_CHAP2_AUTHENTICATOR 1
+
+#include "chap.h" /* chap_state, et al */
+void ChapMS __P((chap_state *, u_char *, char *, int, MS_ChapResponse *));
+void ChapMS2 __P((chap_state *, u_char *, u_char *, char *, char *, int,
+ MS_Chap2Response *, u_char[MS_AUTH_RESPONSE_LENGTH+1], int));
+#ifdef MPPE
+void mppe_set_keys __P((u_char *, u_char[MD4_SIGNATURE_SIZE]));
+#endif
#define __CHAPMS_INCLUDE__
#endif /* __CHAPMS_INCLUDE__ */