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
32enum 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};
48typedef enum ssh_audit_event_type ssh_audit_event_t;
49
50void	audit_connection_from(const char *, int);
51void	audit_event(ssh_audit_event_t);
52void	audit_session_open(struct logininfo *);
53void	audit_session_close(struct logininfo *);
54void	audit_run_command(const char *);
55ssh_audit_event_t audit_classify_auth(const char *);
56
57#endif /* _SSH_AUDIT_H */
58