[PATCH] SE Linux audit events
[linux-2.6-block.git] / kernel / audit.h
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1/* audit -- definition of audit_context structure and supporting types
2 *
3 * Copyright 2003-2004 Red Hat, Inc.
4 * Copyright 2005 Hewlett-Packard Development Company, L.P.
5 * Copyright 2005 IBM Corporation
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22#include <linux/fs.h>
23#include <linux/audit.h>
24
25/* 0 = no checking
26 1 = put_count checking
27 2 = verbose put_count checking
28*/
29#define AUDIT_DEBUG 0
30
31/* At task start time, the audit_state is set in the audit_context using
32 a per-task filter. At syscall entry, the audit_state is augmented by
33 the syscall filter. */
34enum audit_state {
35 AUDIT_DISABLED, /* Do not create per-task audit_context.
36 * No syscall-specific audit records can
37 * be generated. */
38 AUDIT_SETUP_CONTEXT, /* Create the per-task audit_context,
39 * but don't necessarily fill it in at
40 * syscall entry time (i.e., filter
41 * instead). */
42 AUDIT_BUILD_CONTEXT, /* Create the per-task audit_context,
43 * and always fill it in at syscall
44 * entry time. This makes a full
45 * syscall record available if some
46 * other part of the kernel decides it
47 * should be recorded. */
48 AUDIT_RECORD_CONTEXT /* Create the per-task audit_context,
49 * always fill it in at syscall entry
50 * time, and always write out the audit
51 * record at syscall exit time. */
52};
53
54/* Rule lists */
55struct audit_entry {
56 struct list_head list;
57 struct rcu_head rcu;
58 struct audit_rule rule;
59};
60
61
62extern int audit_pid;
63extern int audit_comparator(const u32 left, const u32 op, const u32 right);
64
65extern void audit_send_reply(int pid, int seq, int type,
66 int done, int multi,
67 void *payload, int size);
68extern void audit_log_lost(const char *message);
69extern void audit_panic(const char *message);
70extern struct semaphore audit_netlink_sem;