[linux-block.git] / kernel / audit.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/* audit -- definition of audit_context structure and supporting types
 *
 * Copyright 2003-2004 Red Hat, Inc.
 * Copyright 2005 Hewlett-Packard Development Company, L.P.
 * Copyright 2005 IBM Corporation
 */

#ifndef _KERNEL_AUDIT_H_
#define _KERNEL_AUDIT_H_

#include <linux/fs.h>
#include <linux/audit.h>
#include <linux/skbuff.h>
#include <uapi/linux/mqueue.h>
#include <linux/tty.h>
#include <uapi/linux/openat2.h> // struct open_how

/* AUDIT_NAMES is the number of slots we reserve in the audit_context
 * for saving names from getname().  If we get more names we will allocate
 * a name dynamically and also add those to the list anchored by names_list. */
#define AUDIT_NAMES	5

/* At task start time, the audit_state is set in the audit_context using
   a per-task filter.  At syscall entry, the audit_state is augmented by
   the syscall filter. */
enum audit_state {
	AUDIT_STATE_DISABLED,	/* Do not create per-task audit_context.
				 * No syscall-specific audit records can
				 * be generated. */
	AUDIT_STATE_BUILD,	/* Create the per-task audit_context,
				 * and fill it in at syscall
				 * entry time.  This makes a full
				 * syscall record available if some
				 * other part of the kernel decides it
				 * should be recorded. */
	AUDIT_STATE_RECORD	/* Create the per-task audit_context,
				 * always fill it in at syscall entry
				 * time, and always write out the audit
				 * record at syscall exit time.  */
};

/* Rule lists */
struct audit_watch;
struct audit_fsnotify_mark;
struct audit_tree;
struct audit_chunk;

struct audit_entry {
	struct list_head	list;
	struct rcu_head		rcu;
	struct audit_krule	rule;
};

struct audit_cap_data {
	kernel_cap_t		permitted;
	kernel_cap_t		inheritable;
	union {
		unsigned int	fE;		/* effective bit of file cap */
		kernel_cap_t	effective;	/* effective set of process */
	};
	kernel_cap_t		ambient;
	kuid_t			rootid;
};

/* When fs/namei.c:getname() is called, we store the pointer in name and bump
 * the refcnt in the associated filename struct.
 *
 * Further, in fs/namei.c:path_lookup() we store the inode and device.
 */
struct audit_names {
	struct list_head	list;		/* audit_context->names_list */

	struct filename		*name;
	int			name_len;	/* number of chars to log */
	bool			hidden;		/* don't log this record */

	unsigned long		ino;
	dev_t			dev;
	umode_t			mode;
	kuid_t			uid;
	kgid_t			gid;
	dev_t			rdev;
	u32			osid;
	struct audit_cap_data	fcap;
	unsigned int		fcap_ver;
	unsigned char		type;		/* record type */
	/*
	 * This was an allocated audit_names and not from the array of
	 * names allocated in the task audit context.  Thus this name
	 * should be freed on syscall exit.
	 */
	bool			should_free;
};

struct audit_proctitle {
	int	len;	/* length of the cmdline field. */
	char	*value;	/* the cmdline field */
};

/* The per-task audit context. */
struct audit_context {
	int		    dummy;	/* must be the first element */
	int		    in_syscall;	/* 1 if task is in a syscall */
	enum audit_state    state, current_state;
	unsigned int	    serial;     /* serial number for record */
	int		    major;      /* syscall number */
	struct timespec64   ctime;      /* time of syscall entry */
	unsigned long	    argv[4];    /* syscall arguments */
	long		    return_code;/* syscall return code */
	u64		    prio;
	int		    return_valid; /* return code is valid */
	/*
	 * The names_list is the list of all audit_names collected during this
	 * syscall.  The first AUDIT_NAMES entries in the names_list will
	 * actually be from the preallocated_names array for performance
	 * reasons.  Except during allocation they should never be referenced
	 * through the preallocated_names array and should only be found/used
	 * by running the names_list.
	 */
	struct audit_names  preallocated_names[AUDIT_NAMES];
	int		    name_count; /* total records in names_list */
	struct list_head    names_list;	/* struct audit_names->list anchor */
	char		    *filterkey;	/* key for rule that triggered record */
	struct path	    pwd;
	struct audit_aux_data *aux;
	struct audit_aux_data *aux_pids;
	struct sockaddr_storage *sockaddr;
	size_t sockaddr_len;
				/* Save things to print about task_struct */
	pid_t		    pid, ppid;
	kuid_t		    uid, euid, suid, fsuid;
	kgid_t		    gid, egid, sgid, fsgid;
	unsigned long	    personality;
	int		    arch;

	pid_t		    target_pid;
	kuid_t		    target_auid;
	kuid_t		    target_uid;
	unsigned int	    target_sessionid;
	u32		    target_sid;
	char		    target_comm[TASK_COMM_LEN];

	struct audit_tree_refs *trees, *first_trees;
	struct list_head killed_trees;
	int tree_count;

	int type;
	union {
		struct {
			int nargs;
			long args[6];
		} socketcall;
		struct {
			kuid_t			uid;
			kgid_t			gid;
			umode_t			mode;
			u32			osid;
			int			has_perm;
			uid_t			perm_uid;
			gid_t			perm_gid;
			umode_t			perm_mode;
			unsigned long		qbytes;
		} ipc;
		struct {
			mqd_t			mqdes;
			struct mq_attr		mqstat;
		} mq_getsetattr;
		struct {
			mqd_t			mqdes;
			int			sigev_signo;
		} mq_notify;
		struct {
			mqd_t			mqdes;
			size_t			msg_len;
			unsigned int		msg_prio;
			struct timespec64	abs_timeout;
		} mq_sendrecv;
		struct {
			int			oflag;
			umode_t			mode;
			struct mq_attr		attr;
		} mq_open;
		struct {
			pid_t			pid;
			struct audit_cap_data	cap;
		} capset;
		struct {
			int			fd;
			int			flags;
		} mmap;
		struct open_how openat2;
		struct {
			int			argc;
		} execve;
		struct {
			char			*name;
		} module;
	};
	int fds[2];
	struct audit_proctitle proctitle;
};

extern bool audit_ever_enabled;

extern void audit_log_session_info(struct audit_buffer *ab);

extern int auditd_test_task(struct task_struct *task);

#define AUDIT_INODE_BUCKETS	32
extern struct list_head audit_inode_hash[AUDIT_INODE_BUCKETS];

static inline int audit_hash_ino(u32 ino)
{
	return (ino & (AUDIT_INODE_BUCKETS-1));
}

/* Indicates that audit should log the full pathname. */
#define AUDIT_NAME_FULL -1

extern int audit_match_class(int class, unsigned syscall);
extern int audit_comparator(const u32 left, const u32 op, const u32 right);
extern int audit_uid_comparator(kuid_t left, u32 op, kuid_t right);
extern int audit_gid_comparator(kgid_t left, u32 op, kgid_t right);
extern int parent_len(const char *path);
extern int audit_compare_dname_path(const struct qstr *dname, const char *path, int plen);
extern struct sk_buff *audit_make_reply(int seq, int type, int done, int multi,
					const void *payload, int size);
extern void		    audit_panic(const char *message);

struct audit_netlink_list {
	__u32 portid;
	struct net *net;
	struct sk_buff_head q;
};

int audit_send_list_thread(void *_dest);

extern int selinux_audit_rule_update(void);

extern struct mutex audit_filter_mutex;
extern int audit_del_rule(struct audit_entry *entry);
extern void audit_free_rule_rcu(struct rcu_head *head);
extern struct list_head audit_filter_list[];

extern struct audit_entry *audit_dupe_rule(struct audit_krule *old);

extern void audit_log_d_path_exe(struct audit_buffer *ab,
				 struct mm_struct *mm);

extern struct tty_struct *audit_get_tty(void);
extern void audit_put_tty(struct tty_struct *tty);

/* audit watch/mark/tree functions */
#ifdef CONFIG_AUDITSYSCALL
extern unsigned int audit_serial(void);
extern int auditsc_get_stamp(struct audit_context *ctx,
			      struct timespec64 *t, unsigned int *serial);

extern void audit_put_watch(struct audit_watch *watch);
extern void audit_get_watch(struct audit_watch *watch);
extern int audit_to_watch(struct audit_krule *krule, char *path, int len,
			  u32 op);
extern int audit_add_watch(struct audit_krule *krule, struct list_head **list);
extern void audit_remove_watch_rule(struct audit_krule *krule);
extern char *audit_watch_path(struct audit_watch *watch);
extern int audit_watch_compare(struct audit_watch *watch, unsigned long ino,
			       dev_t dev);

extern struct audit_fsnotify_mark *audit_alloc_mark(struct audit_krule *krule,
						    char *pathname, int len);
extern char *audit_mark_path(struct audit_fsnotify_mark *mark);
extern void audit_remove_mark(struct audit_fsnotify_mark *audit_mark);
extern void audit_remove_mark_rule(struct audit_krule *krule);
extern int audit_mark_compare(struct audit_fsnotify_mark *mark,
			      unsigned long ino, dev_t dev);
extern int audit_dupe_exe(struct audit_krule *new, struct audit_krule *old);
extern int audit_exe_compare(struct task_struct *tsk,
			     struct audit_fsnotify_mark *mark);

extern struct audit_chunk *audit_tree_lookup(const struct inode *inode);
extern void audit_put_chunk(struct audit_chunk *chunk);
extern bool audit_tree_match(struct audit_chunk *chunk,
			     struct audit_tree *tree);
extern int audit_make_tree(struct audit_krule *rule, char *pathname, u32 op);
extern int audit_add_tree_rule(struct audit_krule *rule);
extern int audit_remove_tree_rule(struct audit_krule *rule);
extern void audit_trim_trees(void);
extern int audit_tag_tree(char *old, char *new);
extern const char *audit_tree_path(struct audit_tree *tree);
extern void audit_put_tree(struct audit_tree *tree);
extern void audit_kill_trees(struct audit_context *context);

extern int audit_signal_info_syscall(struct task_struct *t);
extern void audit_filter_inodes(struct task_struct *tsk,
				struct audit_context *ctx);
extern struct list_head *audit_killed_trees(void);
#else /* CONFIG_AUDITSYSCALL */
#define auditsc_get_stamp(c, t, s) 0
#define audit_put_watch(w) do { } while (0)
#define audit_get_watch(w) do { } while (0)
#define audit_to_watch(k, p, l, o) (-EINVAL)
#define audit_add_watch(k, l) (-EINVAL)
#define audit_remove_watch_rule(k) BUG()
#define audit_watch_path(w) ""
#define audit_watch_compare(w, i, d) 0

#define audit_alloc_mark(k, p, l) (ERR_PTR(-EINVAL))
#define audit_mark_path(m) ""
#define audit_remove_mark(m) do { } while (0)
#define audit_remove_mark_rule(k) do { } while (0)
#define audit_mark_compare(m, i, d) 0
#define audit_exe_compare(t, m) (-EINVAL)
#define audit_dupe_exe(n, o) (-EINVAL)

#define audit_remove_tree_rule(rule) BUG()
#define audit_add_tree_rule(rule) -EINVAL
#define audit_make_tree(rule, str, op) -EINVAL
#define audit_trim_trees() do { } while (0)
#define audit_put_tree(tree) do { } while (0)
#define audit_tag_tree(old, new) -EINVAL
#define audit_tree_path(rule) ""	/* never called */
#define audit_kill_trees(context) BUG()

static inline int audit_signal_info_syscall(struct task_struct *t)
{
	return 0;
}

#define audit_filter_inodes(t, c) AUDIT_STATE_DISABLED
#endif /* CONFIG_AUDITSYSCALL */

extern char *audit_unpack_string(void **bufp, size_t *remain, size_t len);

extern int audit_filter(int msgtype, unsigned int listtype);

extern void audit_ctl_lock(void);
extern void audit_ctl_unlock(void);

#endif
Commit	Line	Data
1a59d1b8	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
6ddb5680	2	/* audit -- definition of audit_context structure and supporting types
fe7752ba DW	3	*
	4	* Copyright 2003-2004 Red Hat, Inc.
	5	* Copyright 2005 Hewlett-Packard Development Company, L.P.
	6	* Copyright 2005 IBM Corporation
fe7752ba DW	7	*/
fe7752ba DW	8
d97e9938 M	9	#ifndef _KERNEL_AUDIT_H_
	10	#define _KERNEL_AUDIT_H_
	11
fe7752ba DW	12	#include <linux/fs.h>
fe7752ba DW	13	#include <linux/audit.h>
9044e6bc	14	#include <linux/skbuff.h>
b24a30a7	15	#include <uapi/linux/mqueue.h>
3f5be2da	16	#include <linux/tty.h>
571e5c0e	17	#include <uapi/linux/openat2.h> // struct open_how
fe7752ba	18
b24a30a7 EP	19	/* AUDIT_NAMES is the number of slots we reserve in the audit_context
	20	* for saving names from getname(). If we get more names we will allocate
	21	* a name dynamically and also add those to the list anchored by names_list. */
	22	#define AUDIT_NAMES 5
	23
fe7752ba DW	24	/* At task start time, the audit_state is set in the audit_context using
	25	a per-task filter. At syscall entry, the audit_state is augmented by
	26	the syscall filter. */
	27	enum audit_state {
619ed58a	28	AUDIT_STATE_DISABLED, /* Do not create per-task audit_context.
fe7752ba DW	29	* No syscall-specific audit records can
fe7752ba DW	30	* be generated. */
619ed58a	31	AUDIT_STATE_BUILD, /* Create the per-task audit_context,
997f5b64	32	* and fill it in at syscall
fe7752ba DW	33	* entry time. This makes a full
	34	* syscall record available if some
	35	* other part of the kernel decides it
	36	* should be recorded. */
619ed58a	37	AUDIT_STATE_RECORD /* Create the per-task audit_context,
fe7752ba DW	38	* always fill it in at syscall entry
	39	* time, and always write out the audit
	40	* record at syscall exit time. */
	41	};
	42
	43	/* Rule lists */
cfcad62c	44	struct audit_watch;
7f492942	45	struct audit_fsnotify_mark;
74c3cbe3 AV	46	struct audit_tree;
	47	struct audit_chunk;
	48
fe7752ba	49	struct audit_entry {
93315ed6 AG	50	struct list_head list;
	51	struct rcu_head rcu;
	52	struct audit_krule rule;
fe7752ba DW	53	};
fe7752ba DW	54
b24a30a7 EP	55	struct audit_cap_data {
	56	kernel_cap_t permitted;
	57	kernel_cap_t inheritable;
	58	union {
	59	unsigned int fE; /* effective bit of file cap */
	60	kernel_cap_t effective; /* effective set of process */
	61	};
7786f6b6	62	kernel_cap_t ambient;
2fec30e2	63	kuid_t rootid;
b24a30a7 EP	64	};
b24a30a7 EP	65
55422d0b PM	66	/* When fs/namei.c:getname() is called, we store the pointer in name and bump
55422d0b PM	67	* the refcnt in the associated filename struct.
b24a30a7 EP	68	*
	69	* Further, in fs/namei.c:path_lookup() we store the inode and device.
	70	*/
	71	struct audit_names {
	72	struct list_head list; /* audit_context->names_list */
	73
	74	struct filename *name;
	75	int name_len; /* number of chars to log */
79f6530c	76	bool hidden; /* don't log this record */
b24a30a7 EP	77
	78	unsigned long ino;
	79	dev_t dev;
	80	umode_t mode;
	81	kuid_t uid;
	82	kgid_t gid;
	83	dev_t rdev;
	84	u32 osid;
	85	struct audit_cap_data fcap;
	86	unsigned int fcap_ver;
	87	unsigned char type; /* record type */
	88	/*
	89	* This was an allocated audit_names and not from the array of
	90	* names allocated in the task audit context. Thus this name
	91	* should be freed on syscall exit.
	92	*/
	93	bool should_free;
	94	};
	95
3f1c8250 WR	96	struct audit_proctitle {
	97	int len; /* length of the cmdline field. */
	98	char value; / the cmdline field */
	99	};
	100
b24a30a7 EP	101	/* The per-task audit context. */
	102	struct audit_context {
	103	int dummy; /* must be the first element */
	104	int in_syscall; /* 1 if task is in a syscall */
	105	enum audit_state state, current_state;
	106	unsigned int serial; /* serial number for record */
	107	int major; /* syscall number */
2115bb25	108	struct timespec64 ctime; /* time of syscall entry */
b24a30a7 EP	109	unsigned long argv[4]; /* syscall arguments */
	110	long return_code;/* syscall return code */
	111	u64 prio;
	112	int return_valid; /* return code is valid */
	113	/*
	114	* The names_list is the list of all audit_names collected during this
	115	* syscall. The first AUDIT_NAMES entries in the names_list will
	116	* actually be from the preallocated_names array for performance
	117	* reasons. Except during allocation they should never be referenced
	118	* through the preallocated_names array and should only be found/used
	119	* by running the names_list.
	120	*/
	121	struct audit_names preallocated_names[AUDIT_NAMES];
	122	int name_count; /* total records in names_list */
	123	struct list_head names_list; /* struct audit_names->list anchor */
	124	char filterkey; / key for rule that triggered record */
	125	struct path pwd;
	126	struct audit_aux_data *aux;
	127	struct audit_aux_data *aux_pids;
	128	struct sockaddr_storage *sockaddr;
	129	size_t sockaddr_len;
	130	/* Save things to print about task_struct */
	131	pid_t pid, ppid;
	132	kuid_t uid, euid, suid, fsuid;
	133	kgid_t gid, egid, sgid, fsgid;
	134	unsigned long personality;
	135	int arch;
	136
	137	pid_t target_pid;
	138	kuid_t target_auid;
	139	kuid_t target_uid;
	140	unsigned int target_sessionid;
	141	u32 target_sid;
	142	char target_comm[TASK_COMM_LEN];
	143
	144	struct audit_tree_refs trees, first_trees;
	145	struct list_head killed_trees;
	146	int tree_count;
	147
	148	int type;
	149	union {
	150	struct {
	151	int nargs;
	152	long args[6];
	153	} socketcall;
	154	struct {
	155	kuid_t uid;
	156	kgid_t gid;
	157	umode_t mode;
	158	u32 osid;
	159	int has_perm;
	160	uid_t perm_uid;
	161	gid_t perm_gid;
	162	umode_t perm_mode;
	163	unsigned long qbytes;
	164	} ipc;
	165	struct {
	166	mqd_t mqdes;
	167	struct mq_attr mqstat;
	168	} mq_getsetattr;
	169	struct {
	170	mqd_t mqdes;
	171	int sigev_signo;
	172	} mq_notify;
173	struct {
174	mqd_t mqdes;
175	size_t msg_len;
176	unsigned int msg_prio;
b9047726	177	struct timespec64 abs_timeout;
b24a30a7 EP	178	} mq_sendrecv;
	179	struct {
	180	int oflag;
	181	umode_t mode;
	182	struct mq_attr attr;
	183	} mq_open;
	184	struct {
	185	pid_t pid;
	186	struct audit_cap_data cap;
	187	} capset;
	188	struct {
	189	int fd;
	190	int flags;
	191	} mmap;
571e5c0e	192	struct open_how openat2;
d9cfea91 RGB	193	struct {
d9cfea91 RGB	194	int argc;
d9cfea91	195	} execve;
ca86cad7 RGB	196	struct {
	197	char *name;
	198	} module;
b24a30a7 EP	199	};
b24a30a7 EP	200	int fds[2];
3f1c8250	201	struct audit_proctitle proctitle;
b24a30a7 EP	202	};
b24a30a7 EP	203
b3b4fdf6	204	extern bool audit_ever_enabled;
c782f242	205
0fe3c7fc RGB	206	extern void audit_log_session_info(struct audit_buffer *ab);
0fe3c7fc RGB	207
b6c7c115	208	extern int auditd_test_task(struct task_struct *task);
fe7752ba	209
f368c07d AG	210	#define AUDIT_INODE_BUCKETS 32
	211	extern struct list_head audit_inode_hash[AUDIT_INODE_BUCKETS];
	212
	213	static inline int audit_hash_ino(u32 ino)
	214	{
	215	return (ino & (AUDIT_INODE_BUCKETS-1));
	216	}
	217
e3d6b07b JL	218	/* Indicates that audit should log the full pathname. */
	219	#define AUDIT_NAME_FULL -1
	220
55669bfa	221	extern int audit_match_class(int class, unsigned syscall);
f368c07d	222	extern int audit_comparator(const u32 left, const u32 op, const u32 right);
ca57ec0f EB	223	extern int audit_uid_comparator(kuid_t left, u32 op, kuid_t right);
ca57ec0f EB	224	extern int audit_gid_comparator(kgid_t left, u32 op, kgid_t right);
bfcec708	225	extern int parent_len(const char *path);
795d673a	226	extern int audit_compare_dname_path(const struct qstr dname, const char path, int plen);
45a0642b	227	extern struct sk_buff *audit_make_reply(int seq, int type, int done, int multi,
f9441639	228	const void *payload, int size);
fe7752ba	229	extern void audit_panic(const char *message);
3dc7e315	230
9044e6bc	231	struct audit_netlink_list {
f9441639	232	__u32 portid;
638a0fd2	233	struct net *net;
9044e6bc AV	234	struct sk_buff_head q;
	235	};
	236
3054d067	237	int audit_send_list_thread(void *_dest);
9044e6bc	238
3dc7e315	239	extern int selinux_audit_rule_update(void);
e1396065	240
74c3cbe3	241	extern struct mutex audit_filter_mutex;
e4c1a0d1 DR	242	extern int audit_del_rule(struct audit_entry *entry);
e4c1a0d1 DR	243	extern void audit_free_rule_rcu(struct rcu_head *head);
c782f242	244	extern struct list_head audit_filter_list[];
74c3cbe3	245
939a67fc EP	246	extern struct audit_entry audit_dupe_rule(struct audit_krule old);
939a67fc EP	247
4766b199 DB	248	extern void audit_log_d_path_exe(struct audit_buffer *ab,
	249	struct mm_struct *mm);
	250
2a1fe215	251	extern struct tty_struct *audit_get_tty(void);
3f5be2da RGB	252	extern void audit_put_tty(struct tty_struct *tty);
3f5be2da RGB	253
05c7a9cb	254	/* audit watch/mark/tree functions */
c8fc5d49	255	#ifdef CONFIG_AUDITSYSCALL
cd108b5c RGB	256	extern unsigned int audit_serial(void);
	257	extern int auditsc_get_stamp(struct audit_context *ctx,
	258	struct timespec64 t, unsigned int serial);
	259
cfcad62c EP	260	extern void audit_put_watch(struct audit_watch *watch);
cfcad62c EP	261	extern void audit_get_watch(struct audit_watch *watch);
05c7a9cb RGB	262	extern int audit_to_watch(struct audit_krule krule, char path, int len,
05c7a9cb RGB	263	u32 op);
ae7b8f41	264	extern int audit_add_watch(struct audit_krule krule, struct list_head *list);
a05fb6cc	265	extern void audit_remove_watch_rule(struct audit_krule *krule);
cfcad62c	266	extern char audit_watch_path(struct audit_watch watch);
05c7a9cb RGB	267	extern int audit_watch_compare(struct audit_watch *watch, unsigned long ino,
05c7a9cb RGB	268	dev_t dev);
7f492942	269
05c7a9cb RGB	270	extern struct audit_fsnotify_mark audit_alloc_mark(struct audit_krule krule,
05c7a9cb RGB	271	char *pathname, int len);
7f492942 RGB	272	extern char audit_mark_path(struct audit_fsnotify_mark mark);
	273	extern void audit_remove_mark(struct audit_fsnotify_mark *audit_mark);
	274	extern void audit_remove_mark_rule(struct audit_krule *krule);
05c7a9cb RGB	275	extern int audit_mark_compare(struct audit_fsnotify_mark *mark,
05c7a9cb RGB	276	unsigned long ino, dev_t dev);
34d99af5	277	extern int audit_dupe_exe(struct audit_krule new, struct audit_krule old);
05c7a9cb RGB	278	extern int audit_exe_compare(struct task_struct *tsk,
05c7a9cb RGB	279	struct audit_fsnotify_mark *mark);
7f492942	280
05c7a9cb RGB	281	extern struct audit_chunk audit_tree_lookup(const struct inode inode);
	282	extern void audit_put_chunk(struct audit_chunk *chunk);
	283	extern bool audit_tree_match(struct audit_chunk *chunk,
	284	struct audit_tree *tree);
	285	extern int audit_make_tree(struct audit_krule rule, char pathname, u32 op);
	286	extern int audit_add_tree_rule(struct audit_krule *rule);
	287	extern int audit_remove_tree_rule(struct audit_krule *rule);
	288	extern void audit_trim_trees(void);
	289	extern int audit_tag_tree(char old, char new);
	290	extern const char audit_tree_path(struct audit_tree tree);
	291	extern void audit_put_tree(struct audit_tree *tree);
	292	extern void audit_kill_trees(struct audit_context *context);
	293
b48345aa	294	extern int audit_signal_info_syscall(struct task_struct *t);
05c7a9cb RGB	295	extern void audit_filter_inodes(struct task_struct *tsk,
	296	struct audit_context *ctx);
	297	extern struct list_head *audit_killed_trees(void);
	298	#else /* CONFIG_AUDITSYSCALL */
cd108b5c	299	#define auditsc_get_stamp(c, t, s) 0
d4ceb1d6 AB	300	#define audit_put_watch(w) do { } while (0)
d4ceb1d6 AB	301	#define audit_get_watch(w) do { } while (0)
939a67fc EP	302	#define audit_to_watch(k, p, l, o) (-EINVAL)
	303	#define audit_add_watch(k, l) (-EINVAL)
	304	#define audit_remove_watch_rule(k) BUG()
	305	#define audit_watch_path(w) ""
	306	#define audit_watch_compare(w, i, d) 0
	307
7f492942 RGB	308	#define audit_alloc_mark(k, p, l) (ERR_PTR(-EINVAL))
7f492942 RGB	309	#define audit_mark_path(m) ""
d4ceb1d6 AB	310	#define audit_remove_mark(m) do { } while (0)
d4ceb1d6 AB	311	#define audit_remove_mark_rule(k) do { } while (0)
7f492942	312	#define audit_mark_compare(m, i, d) 0
34d99af5 RGB	313	#define audit_exe_compare(t, m) (-EINVAL)
34d99af5 RGB	314	#define audit_dupe_exe(n, o) (-EINVAL)
cfcad62c	315
74c3cbe3 AV	316	#define audit_remove_tree_rule(rule) BUG()
	317	#define audit_add_tree_rule(rule) -EINVAL
	318	#define audit_make_tree(rule, str, op) -EINVAL
d4ceb1d6 AB	319	#define audit_trim_trees() do { } while (0)
d4ceb1d6 AB	320	#define audit_put_tree(tree) do { } while (0)
74c3cbe3 AV	321	#define audit_tag_tree(old, new) -EINVAL
74c3cbe3 AV	322	#define audit_tree_path(rule) "" /* never called */
9e36a5d4	323	#define audit_kill_trees(context) BUG()
05c7a9cb	324
b48345aa RGB	325	static inline int audit_signal_info_syscall(struct task_struct *t)
	326	{
	327	return 0;
	328	}
	329
619ed58a	330	#define audit_filter_inodes(t, c) AUDIT_STATE_DISABLED
05c7a9cb	331	#endif /* CONFIG_AUDITSYSCALL */
74c3cbe3	332
e4c1a0d1	333	extern char audit_unpack_string(void bufp, size_t remain, size_t len);
74c3cbe3	334
86b2efbe RGB	335	extern int audit_filter(int msgtype, unsigned int listtype);
86b2efbe RGB	336
ce423631 PM	337	extern void audit_ctl_lock(void);
ce423631 PM	338	extern void audit_ctl_unlock(void);
d97e9938 M	339
d97e9938 M	340	#endif