audit.h

   1 /*
   2  * Copyright (c) 2004, 2005 Darren Tucker.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24
  25 #ifndef _SSH_AUDIT_H
  26 # define _SSH_AUDIT_H
  27
  28 #include "loginrec.h"
  29
  30 struct ssh;
  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(struct ssh *, 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 */