/*
- * chap.h - Cryptographic Handshake Authentication Protocol definitions.
+ * chap.h - Challenge Handshake Authentication Protocol definitions.
+ *
+ * Copyright (c) 1993 The Australian National University.
+ * All rights reserved.
+ *
+ * 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 the Australian National University. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ * 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.
*
* Copyright (c) 1991 Gregory M. Christy
* All rights reserved.
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
- * $Id: chap.h,v 1.4 1995/12/18 03:46:21 paulus Exp $
+ * $Id: chap.h,v 1.9 2002/01/22 16:02:58 dfs Exp $
*/
#ifndef __CHAP_INCLUDE__
#define CHAP_DIGEST_MD5 5 /* use MD5 algorithm */
#define MD5_SIGNATURE_SIZE 16 /* 16 bytes in a MD5 message digest */
+#define CHAP_MICROSOFT 0x80 /* use Microsoft-compatible alg. */
+#define MS_CHAP_RESPONSE_LEN 49 /* Response length for MS-CHAP */
#define CHAP_CHALLENGE 1
#define CHAP_RESPONSE 2
/*
* Challenge lengths (for challenges we send) and other limits.
*/
-#define MIN_CHALLENGE_LENGTH 32
-#define MAX_CHALLENGE_LENGTH 64
-#define MAX_RESPONSE_LENGTH 16 /* sufficient for MD5 */
+#define MIN_CHALLENGE_LENGTH 16
+#define MAX_CHALLENGE_LENGTH 24
+#define MAX_RESPONSE_LENGTH 64 /* sufficient for MD5 or MS-CHAP */
/*
* Each interface is described by a chap structure.
char *resp_name; /* Our name to send with response */
} chap_state;
+/* We need the declaration of chap_state to use this prototype */
+extern int (*chap_auth_hook) __P((char *user, u_char *remmd,
+ int remmd_len, chap_state *cstate));
/*
* Client (peer) states.
extern chap_state chap[];
-void ChapInit __P((int));
void ChapAuthWithPeer __P((int, char *, int));
void ChapAuthPeer __P((int, char *, int));
-void ChapLowerUp __P((int));
-void ChapLowerDown __P((int));
-void ChapInput __P((int, u_char *, int));
-void ChapProtocolReject __P((int));
-int ChapPrintPkt __P((u_char *, int,
- void (*) __P((void *, char *, ...)), void *));
extern struct protent chap_protent;