1 /* audit -- definition of audit_context structure and supporting types
3 * Copyright 2003-2004 Red Hat, Inc.
4 * Copyright 2005 Hewlett-Packard Development Company, L.P.
5 * Copyright 2005 IBM Corporation
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.
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.
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
23 #include <linux/audit.h>
24 #include <linux/skbuff.h>
27 1 = put_count checking
28 2 = verbose put_count checking
32 /* At task start time, the audit_state is set in the audit_context using
33 a per-task filter. At syscall entry, the audit_state is augmented by
34 the syscall filter. */
36 AUDIT_DISABLED, /* Do not create per-task audit_context.
37 * No syscall-specific audit records can
39 AUDIT_SETUP_CONTEXT, /* Create the per-task audit_context,
40 * but don't necessarily fill it in at
41 * syscall entry time (i.e., filter
43 AUDIT_BUILD_CONTEXT, /* Create the per-task audit_context,
44 * and always fill it in at syscall
45 * entry time. This makes a full
46 * syscall record available if some
47 * other part of the kernel decides it
48 * should be recorded. */
49 AUDIT_RECORD_CONTEXT /* Create the per-task audit_context,
50 * always fill it in at syscall entry
51 * time, and always write out the audit
52 * record at syscall exit time. */
59 atomic_t count; /* reference count */
60 char *path; /* insertion path */
61 dev_t dev; /* associated superblock device */
62 unsigned long ino; /* associated inode number */
63 struct audit_parent *parent; /* associated parent */
64 struct list_head wlist; /* entry in parent->watches list */
65 struct list_head rules; /* associated rules */
73 struct selinux_audit_rule *se_rule;
81 u32 mask[AUDIT_BITMASK_SIZE];
82 u32 buflen; /* for data alloc on list rules */
84 struct audit_field *fields;
85 struct audit_field *inode_f; /* quick access to an inode field */
86 struct audit_watch *watch; /* associated watch */
87 struct list_head rlist; /* entry in audit_watch.rules list */
91 struct list_head list;
93 struct audit_krule rule;
98 #define AUDIT_INODE_BUCKETS 32
99 extern struct list_head audit_inode_hash[AUDIT_INODE_BUCKETS];
101 static inline int audit_hash_ino(u32 ino)
103 return (ino & (AUDIT_INODE_BUCKETS-1));
106 extern int audit_comparator(const u32 left, const u32 op, const u32 right);
107 extern int audit_compare_dname_path(const char *dname, const char *path,
109 extern struct sk_buff * audit_make_reply(int pid, int seq, int type,
111 void *payload, int size);
112 extern void audit_send_reply(int pid, int seq, int type,
114 void *payload, int size);
115 extern void audit_log_lost(const char *message);
116 extern void audit_panic(const char *message);
118 struct audit_netlink_list {
120 struct sk_buff_head q;
123 int audit_send_list(void *);
125 struct inotify_watch;
126 extern void audit_free_parent(struct inotify_watch *);
127 extern void audit_handle_ievent(struct inotify_watch *, u32, u32, u32,
128 const char *, struct inode *);
129 extern int selinux_audit_rule_update(void);
131 #ifdef CONFIG_AUDITSYSCALL
132 extern void __audit_signal_info(int sig, struct task_struct *t);
133 static inline void audit_signal_info(int sig, struct task_struct *t)
135 if (unlikely(audit_pid && t->tgid == audit_pid))
136 __audit_signal_info(sig, t);
138 extern enum audit_state audit_filter_inodes(struct task_struct *,
139 struct audit_context *);
140 extern void audit_set_auditable(struct audit_context *);
142 #define audit_signal_info(s,t)
143 #define audit_filter_inodes(t,c) AUDIT_DISABLED
144 #define audit_set_auditable(c)