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