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      1 /* $Id: audit.h,v 1.4 2011/01/17 10:15:30 dtucker Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2004, 2005 Darren Tucker.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifndef _SSH_AUDIT_H
     28 # define _SSH_AUDIT_H
     29 
     30 #include "loginrec.h"
     31 
     32 enum ssh_audit_event_type {
     33 	SSH_LOGIN_EXCEED_MAXTRIES,
     34 	SSH_LOGIN_ROOT_DENIED,
     35 	SSH_AUTH_SUCCESS,
     36 	SSH_AUTH_FAIL_NONE,
     37 	SSH_AUTH_FAIL_PASSWD,
     38 	SSH_AUTH_FAIL_KBDINT,	/* keyboard-interactive or challenge-response */
     39 	SSH_AUTH_FAIL_PUBKEY,	/* ssh2 pubkey or ssh1 rsa */
     40 	SSH_AUTH_FAIL_HOSTBASED,	/* ssh2 hostbased or ssh1 rhostsrsa */
     41 	SSH_AUTH_FAIL_GSSAPI,
     42 	SSH_INVALID_USER,
     43 	SSH_NOLOGIN,		/* denied by /etc/nologin, not implemented */
     44 	SSH_CONNECTION_CLOSE,	/* closed after attempting auth or session */
     45 	SSH_CONNECTION_ABANDON,	/* closed without completing auth */
     46 	SSH_AUDIT_UNKNOWN
     47 };
     48 typedef enum ssh_audit_event_type ssh_audit_event_t;
     49 
     50 void	audit_connection_from(const char *, int);
     51 void	audit_event(ssh_audit_event_t);
     52 void	audit_session_open(struct logininfo *);
     53 void	audit_session_close(struct logininfo *);
     54 void	audit_run_command(const char *);
     55 ssh_audit_event_t audit_classify_auth(const char *);
     56 
     57 #endif /* _SSH_AUDIT_H */
     58