[deliverable/linux.git] / include / linux / audit.h

/* audit.h -- Auditing support
 *
 * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Written by Rickard E. (Rik) Faith <faith@redhat.com>
 *
 */
#ifndef _LINUX_AUDIT_H_
#define _LINUX_AUDIT_H_

#include <linux/sched.h>
#include <linux/ptrace.h>
#include <uapi/linux/audit.h>

struct audit_sig_info {
	uid_t		uid;
	pid_t		pid;
	char		ctx[0];
};

struct audit_buffer;
struct audit_context;
struct inode;
struct netlink_skb_parms;
struct path;
struct linux_binprm;
struct mq_attr;
struct mqstat;
struct audit_watch;
struct audit_tree;
struct sk_buff;

struct audit_krule {
	int			vers_ops;
	u32			flags;
	u32			listnr;
	u32			action;
	u32			mask[AUDIT_BITMASK_SIZE];
	u32			buflen; /* for data alloc on list rules */
	u32			field_count;
	char			*filterkey; /* ties events to rules */
	struct audit_field	*fields;
	struct audit_field	*arch_f; /* quick access to arch field */
	struct audit_field	*inode_f; /* quick access to an inode field */
	struct audit_watch	*watch;	/* associated watch */
	struct audit_tree	*tree;	/* associated watched tree */
	struct list_head	rlist;	/* entry in audit_{watch,tree}.rules list */
	struct list_head	list;	/* for AUDIT_LIST* purposes only */
	u64			prio;
};

struct audit_field {
	u32				type;
	u32				val;
	kuid_t				uid;
	kgid_t				gid;
	u32				op;
	char				*lsm_str;
	void				*lsm_rule;
};

extern int is_audit_feature_set(int which);

extern int __init audit_register_class(int class, unsigned *list);
extern int audit_classify_syscall(int abi, unsigned syscall);
extern int audit_classify_arch(int arch);

/* audit_names->type values */
#define	AUDIT_TYPE_UNKNOWN	0	/* we don't know yet */
#define	AUDIT_TYPE_NORMAL	1	/* a "normal" audit record */
#define	AUDIT_TYPE_PARENT	2	/* a parent audit record */
#define	AUDIT_TYPE_CHILD_DELETE 3	/* a child being deleted */
#define	AUDIT_TYPE_CHILD_CREATE 4	/* a child being created */

/* maximized args number that audit_socketcall can process */
#define AUDITSC_ARGS		6

struct filename;

extern void audit_log_session_info(struct audit_buffer *ab);

#ifdef CONFIG_AUDITSYSCALL
/* These are defined in auditsc.c */
				/* Public API */
extern int  audit_alloc(struct task_struct *task);
extern void __audit_free(struct task_struct *task);
extern void __audit_syscall_entry(int arch,
				  int major, unsigned long a0, unsigned long a1,
				  unsigned long a2, unsigned long a3);
extern void __audit_syscall_exit(int ret_success, long ret_value);
extern struct filename *__audit_reusename(const __user char *uptr);
extern void __audit_getname(struct filename *name);
extern void audit_putname(struct filename *name);

#define AUDIT_INODE_PARENT	1	/* dentry represents the parent */
#define AUDIT_INODE_HIDDEN	2	/* audit record should be hidden */
extern void __audit_inode(struct filename *name, const struct dentry *dentry,
				unsigned int flags);
extern void __audit_inode_child(const struct inode *parent,
				const struct dentry *dentry,
				const unsigned char type);
extern void __audit_seccomp(unsigned long syscall, long signr, int code);
extern void __audit_ptrace(struct task_struct *t);

static inline int audit_dummy_context(void)
{
	void *p = current->audit_context;
	return !p || *(int *)p;
}
static inline void audit_free(struct task_struct *task)
{
	if (unlikely(task->audit_context))
		__audit_free(task);
}
static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
				       unsigned long a1, unsigned long a2,
				       unsigned long a3)
{
	if (unlikely(current->audit_context))
		__audit_syscall_entry(arch, major, a0, a1, a2, a3);
}
static inline void audit_syscall_exit(void *pt_regs)
{
	if (unlikely(current->audit_context)) {
		int success = is_syscall_success(pt_regs);
		long return_code = regs_return_value(pt_regs);

		__audit_syscall_exit(success, return_code);
	}
}
static inline struct filename *audit_reusename(const __user char *name)
{
	if (unlikely(!audit_dummy_context()))
		return __audit_reusename(name);
	return NULL;
}
static inline void audit_getname(struct filename *name)
{
	if (unlikely(!audit_dummy_context()))
		__audit_getname(name);
}
static inline void audit_inode(struct filename *name,
				const struct dentry *dentry,
				unsigned int parent) {
	if (unlikely(!audit_dummy_context())) {
		unsigned int flags = 0;
		if (parent)
			flags |= AUDIT_INODE_PARENT;
		__audit_inode(name, dentry, flags);
	}
}
static inline void audit_inode_parent_hidden(struct filename *name,
						const struct dentry *dentry)
{
	if (unlikely(!audit_dummy_context()))
		__audit_inode(name, dentry,
				AUDIT_INODE_PARENT | AUDIT_INODE_HIDDEN);
}
static inline void audit_inode_child(const struct inode *parent,
				     const struct dentry *dentry,
				     const unsigned char type) {
	if (unlikely(!audit_dummy_context()))
		__audit_inode_child(parent, dentry, type);
}
void audit_core_dumps(long signr);

static inline void audit_seccomp(unsigned long syscall, long signr, int code)
{
	/* Force a record to be reported if a signal was delivered. */
	if (signr || unlikely(!audit_dummy_context()))
		__audit_seccomp(syscall, signr, code);
}

static inline void audit_ptrace(struct task_struct *t)
{
	if (unlikely(!audit_dummy_context()))
		__audit_ptrace(t);
}

				/* Private API (for audit.c only) */
extern unsigned int audit_serial(void);
extern int auditsc_get_stamp(struct audit_context *ctx,
			      struct timespec *t, unsigned int *serial);
extern int audit_set_loginuid(kuid_t loginuid);

static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
{
	return tsk->loginuid;
}

static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
{
	return tsk->sessionid;
}

extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
extern void __audit_bprm(struct linux_binprm *bprm);
extern int __audit_socketcall(int nargs, unsigned long *args);
extern int __audit_sockaddr(int len, void *addr);
extern void __audit_fd_pair(int fd1, int fd2);
extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr);
extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout);
extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
				  const struct cred *new,
				  const struct cred *old);
extern void __audit_log_capset(const struct cred *new, const struct cred *old);
extern void __audit_mmap_fd(int fd, int flags);

static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
{
	if (unlikely(!audit_dummy_context()))
		__audit_ipc_obj(ipcp);
}
static inline void audit_fd_pair(int fd1, int fd2)
{
	if (unlikely(!audit_dummy_context()))
		__audit_fd_pair(fd1, fd2);
}
static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode)
{
	if (unlikely(!audit_dummy_context()))
		__audit_ipc_set_perm(qbytes, uid, gid, mode);
}
static inline void audit_bprm(struct linux_binprm *bprm)
{
	if (unlikely(!audit_dummy_context()))
		__audit_bprm(bprm);
}
static inline int audit_socketcall(int nargs, unsigned long *args)
{
	if (unlikely(!audit_dummy_context()))
		return __audit_socketcall(nargs, args);
	return 0;
}
static inline int audit_sockaddr(int len, void *addr)
{
	if (unlikely(!audit_dummy_context()))
		return __audit_sockaddr(len, addr);
	return 0;
}
static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
{
	if (unlikely(!audit_dummy_context()))
		__audit_mq_open(oflag, mode, attr);
}
static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout)
{
	if (unlikely(!audit_dummy_context()))
		__audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout);
}
static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
{
	if (unlikely(!audit_dummy_context()))
		__audit_mq_notify(mqdes, notification);
}
static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
{
	if (unlikely(!audit_dummy_context()))
		__audit_mq_getsetattr(mqdes, mqstat);
}

static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
				       const struct cred *new,
				       const struct cred *old)
{
	if (unlikely(!audit_dummy_context()))
		return __audit_log_bprm_fcaps(bprm, new, old);
	return 0;
}

static inline void audit_log_capset(const struct cred *new,
				   const struct cred *old)
{
	if (unlikely(!audit_dummy_context()))
		__audit_log_capset(new, old);
}

static inline void audit_mmap_fd(int fd, int flags)
{
	if (unlikely(!audit_dummy_context()))
		__audit_mmap_fd(fd, flags);
}

extern int audit_n_rules;
extern int audit_signals;
#else /* CONFIG_AUDITSYSCALL */
static inline int audit_alloc(struct task_struct *task)
{
	return 0;
}
static inline void audit_free(struct task_struct *task)
{ }
static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
				       unsigned long a1, unsigned long a2,
				       unsigned long a3)
{ }
static inline void audit_syscall_exit(void *pt_regs)
{ }
static inline int audit_dummy_context(void)
{
	return 1;
}
static inline struct filename *audit_reusename(const __user char *name)
{
	return NULL;
}
static inline void audit_getname(struct filename *name)
{ }
static inline void audit_putname(struct filename *name)
{ }
static inline void __audit_inode(struct filename *name,
					const struct dentry *dentry,
					unsigned int flags)
{ }
static inline void __audit_inode_child(const struct inode *parent,
					const struct dentry *dentry,
					const unsigned char type)
{ }
static inline void audit_inode(struct filename *name,
				const struct dentry *dentry,
				unsigned int parent)
{ }
static inline void audit_inode_parent_hidden(struct filename *name,
				const struct dentry *dentry)
{ }
static inline void audit_inode_child(const struct inode *parent,
				     const struct dentry *dentry,
				     const unsigned char type)
{ }
static inline void audit_core_dumps(long signr)
{ }
static inline void __audit_seccomp(unsigned long syscall, long signr, int code)
{ }
static inline void audit_seccomp(unsigned long syscall, long signr, int code)
{ }
static inline int auditsc_get_stamp(struct audit_context *ctx,
			      struct timespec *t, unsigned int *serial)
{
	return 0;
}
static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
{
	return INVALID_UID;
}
static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
{
	return -1;
}
static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
{ }
static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
					gid_t gid, umode_t mode)
{ }
static inline void audit_bprm(struct linux_binprm *bprm)
{ }
static inline int audit_socketcall(int nargs, unsigned long *args)
{
	return 0;
}
static inline void audit_fd_pair(int fd1, int fd2)
{ }
static inline int audit_sockaddr(int len, void *addr)
{
	return 0;
}
static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
{ }
static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len,
				     unsigned int msg_prio,
				     const struct timespec *abs_timeout)
{ }
static inline void audit_mq_notify(mqd_t mqdes,
				   const struct sigevent *notification)
{ }
static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
{ }
static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
				       const struct cred *new,
				       const struct cred *old)
{
	return 0;
}
static inline void audit_log_capset(const struct cred *new,
				    const struct cred *old)
{ }
static inline void audit_mmap_fd(int fd, int flags)
{ }
static inline void audit_ptrace(struct task_struct *t)
{ }
#define audit_n_rules 0
#define audit_signals 0
#endif /* CONFIG_AUDITSYSCALL */

static inline bool audit_loginuid_set(struct task_struct *tsk)
{
	return uid_valid(audit_get_loginuid(tsk));
}

#ifdef CONFIG_AUDIT
/* These are defined in audit.c */
				/* Public API */
extern __printf(4, 5)
void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
	       const char *fmt, ...);

extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type);
extern __printf(2, 3)
void audit_log_format(struct audit_buffer *ab, const char *fmt, ...);
extern void		    audit_log_end(struct audit_buffer *ab);
extern int		    audit_string_contains_control(const char *string,
							  size_t len);
extern void		    audit_log_n_hex(struct audit_buffer *ab,
					  const unsigned char *buf,
					  size_t len);
extern void		    audit_log_n_string(struct audit_buffer *ab,
					       const char *buf,
					       size_t n);
extern void		    audit_log_n_untrustedstring(struct audit_buffer *ab,
							const char *string,
							size_t n);
extern void		    audit_log_untrustedstring(struct audit_buffer *ab,
						      const char *string);
extern void		    audit_log_d_path(struct audit_buffer *ab,
					     const char *prefix,
					     const struct path *path);
extern void		    audit_log_key(struct audit_buffer *ab,
					  char *key);
extern void		    audit_log_link_denied(const char *operation,
						  struct path *link);
extern void		    audit_log_lost(const char *message);
#ifdef CONFIG_SECURITY
extern void 		    audit_log_secctx(struct audit_buffer *ab, u32 secid);
#else
static inline void	    audit_log_secctx(struct audit_buffer *ab, u32 secid)
{ }
#endif

extern int audit_log_task_context(struct audit_buffer *ab);
extern void audit_log_task_info(struct audit_buffer *ab,
				struct task_struct *tsk);

extern int		    audit_update_lsm_rules(void);

				/* Private API (for audit.c only) */
extern int audit_filter_user(int type);
extern int audit_filter_type(int type);
extern int audit_rule_change(int type, __u32 portid, int seq,
				void *data, size_t datasz);
extern int audit_list_rules_send(struct sk_buff *request_skb, int seq);

extern u32 audit_enabled;
#else /* CONFIG_AUDIT */
static inline __printf(4, 5)
void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
	       const char *fmt, ...)
{ }
static inline struct audit_buffer *audit_log_start(struct audit_context *ctx,
						   gfp_t gfp_mask, int type)
{
	return NULL;
}
static inline __printf(2, 3)
void audit_log_format(struct audit_buffer *ab, const char *fmt, ...)
{ }
static inline void audit_log_end(struct audit_buffer *ab)
{ }
static inline void audit_log_n_hex(struct audit_buffer *ab,
				   const unsigned char *buf, size_t len)
{ }
static inline void audit_log_n_string(struct audit_buffer *ab,
				      const char *buf, size_t n)
{ }
static inline void  audit_log_n_untrustedstring(struct audit_buffer *ab,
						const char *string, size_t n)
{ }
static inline void audit_log_untrustedstring(struct audit_buffer *ab,
					     const char *string)
{ }
static inline void audit_log_d_path(struct audit_buffer *ab,
				    const char *prefix,
				    const struct path *path)
{ }
static inline void audit_log_key(struct audit_buffer *ab, char *key)
{ }
static inline void audit_log_link_denied(const char *string,
					 const struct path *link)
{ }
static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid)
{ }
static inline int audit_log_task_context(struct audit_buffer *ab)
{
	return 0;
}
static inline void audit_log_task_info(struct audit_buffer *ab,
				       struct task_struct *tsk)
{ }
#define audit_enabled 0
#endif /* CONFIG_AUDIT */
static inline void audit_log_string(struct audit_buffer *ab, const char *buf)
{
	audit_log_n_string(ab, buf, strlen(buf));
}

#endif
Commit	Line	Data
85c8721f	1	/* audit.h -- Auditing support
1da177e4 LT	2	*
	3	* Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
	4	* All Rights Reserved.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*
	20	* Written by Rickard E. (Rik) Faith <faith@redhat.com>
	21	*
	22	*/
1da177e4 LT	23	#ifndef _LINUX_AUDIT_H_
	24	#define _LINUX_AUDIT_H_
	25
f001e47f	26	#include <linux/sched.h>
c0a3a20b	27	#include <linux/ptrace.h>
607ca46e	28	#include <uapi/linux/audit.h>
1da177e4	29
c2f0c7c3 SG	30	struct audit_sig_info {
	31	uid_t uid;
	32	pid_t pid;
e1396065	33	char ctx[0];
c2f0c7c3 SG	34	};
c2f0c7c3 SG	35
1da177e4 LT	36	struct audit_buffer;
	37	struct audit_context;
	38	struct inode;
5bb289b5	39	struct netlink_skb_parms;
37721e1b	40	struct path;
473ae30b	41	struct linux_binprm;
20ca73bc GW	42	struct mq_attr;
20ca73bc GW	43	struct mqstat;
9d57a7f9 AD	44	struct audit_watch;
9d57a7f9 AD	45	struct audit_tree;
6f285b19	46	struct sk_buff;
9d57a7f9 AD	47
	48	struct audit_krule {
	49	int vers_ops;
	50	u32 flags;
	51	u32 listnr;
	52	u32 action;
	53	u32 mask[AUDIT_BITMASK_SIZE];
	54	u32 buflen; /* for data alloc on list rules */
	55	u32 field_count;
	56	char filterkey; / ties events to rules */
	57	struct audit_field *fields;
	58	struct audit_field arch_f; / quick access to arch field */
	59	struct audit_field inode_f; / quick access to an inode field */
	60	struct audit_watch watch; / associated watch */
	61	struct audit_tree tree; / associated watched tree */
	62	struct list_head rlist; /* entry in audit_{watch,tree}.rules list */
e45aa212	63	struct list_head list; /* for AUDIT_LIST* purposes only */
0590b933	64	u64 prio;
9d57a7f9 AD	65	};
	66
	67	struct audit_field {
	68	u32 type;
	69	u32 val;
ca57ec0f EB	70	kuid_t uid;
ca57ec0f EB	71	kgid_t gid;
9d57a7f9	72	u32 op;
04305e4a AD	73	char *lsm_str;
04305e4a AD	74	void *lsm_rule;
9d57a7f9	75	};
1da177e4	76
b0fed402 EP	77	extern int is_audit_feature_set(int which);
b0fed402 EP	78
b915543b	79	extern int __init audit_register_class(int class, unsigned *list);
55669bfa	80	extern int audit_classify_syscall(int abi, unsigned syscall);
e54dc243	81	extern int audit_classify_arch(int arch);
78e2e802 JL	82
	83	/* audit_names->type values */
	84	#define AUDIT_TYPE_UNKNOWN 0 /* we don't know yet */
	85	#define AUDIT_TYPE_NORMAL 1 /* a "normal" audit record */
bfcec708	86	#define AUDIT_TYPE_PARENT 2 /* a parent audit record */
4fa6b5ec JL	87	#define AUDIT_TYPE_CHILD_DELETE 3 /* a child being deleted */
4fa6b5ec JL	88	#define AUDIT_TYPE_CHILD_CREATE 4 /* a child being created */
78e2e802	89
2950fa9d CG	90	/* maximized args number that audit_socketcall can process */
	91	#define AUDITSC_ARGS 6
	92
91a27b2a JL	93	struct filename;
91a27b2a JL	94
4d3fb709 EP	95	extern void audit_log_session_info(struct audit_buffer *ab);
4d3fb709 EP	96
1da177e4 LT	97	#ifdef CONFIG_AUDITSYSCALL
	98	/* These are defined in auditsc.c */
	99	/* Public API */
	100	extern int audit_alloc(struct task_struct *task);
a4ff8dba	101	extern void __audit_free(struct task_struct *task);
b05d8447 EP	102	extern void __audit_syscall_entry(int arch,
	103	int major, unsigned long a0, unsigned long a1,
	104	unsigned long a2, unsigned long a3);
d7e7528b	105	extern void __audit_syscall_exit(int ret_success, long ret_value);
7ac86265	106	extern struct filename __audit_reusename(const __user char uptr);
91a27b2a JL	107	extern void __audit_getname(struct filename *name);
91a27b2a JL	108	extern void audit_putname(struct filename *name);
79f6530c JL	109
	110	#define AUDIT_INODE_PARENT 1 /* dentry represents the parent */
	111	#define AUDIT_INODE_HIDDEN 2 /* audit record should be hidden */
adb5c247	112	extern void __audit_inode(struct filename name, const struct dentry dentry,
79f6530c	113	unsigned int flags);
c43a25ab	114	extern void __audit_inode_child(const struct inode *parent,
4fa6b5ec JL	115	const struct dentry *dentry,
4fa6b5ec JL	116	const unsigned char type);
3dc1c1b2	117	extern void __audit_seccomp(unsigned long syscall, long signr, int code);
a5cb013d AV	118	extern void __audit_ptrace(struct task_struct *t);
a5cb013d AV	119
d51374ad AV	120	static inline int audit_dummy_context(void)
	121	{
	122	void *p = current->audit_context;
	123	return !p \|\| (int )p;
	124	}
a4ff8dba EP	125	static inline void audit_free(struct task_struct *task)
	126	{
	127	if (unlikely(task->audit_context))
	128	__audit_free(task);
	129	}
b05d8447 EP	130	static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
	131	unsigned long a1, unsigned long a2,
	132	unsigned long a3)
	133	{
cdee3904	134	if (unlikely(current->audit_context))
b05d8447 EP	135	__audit_syscall_entry(arch, major, a0, a1, a2, a3);
b05d8447 EP	136	}
d7e7528b EP	137	static inline void audit_syscall_exit(void *pt_regs)
	138	{
	139	if (unlikely(current->audit_context)) {
	140	int success = is_syscall_success(pt_regs);
06bdadd7	141	long return_code = regs_return_value(pt_regs);
d7e7528b EP	142
	143	__audit_syscall_exit(success, return_code);
	144	}
	145	}
7ac86265 JL	146	static inline struct filename audit_reusename(const __user char name)
	147	{
	148	if (unlikely(!audit_dummy_context()))
	149	return __audit_reusename(name);
	150	return NULL;
	151	}
91a27b2a	152	static inline void audit_getname(struct filename *name)
d8945bb5	153	{
5ac3a9c2	154	if (unlikely(!audit_dummy_context()))
d8945bb5 AV	155	__audit_getname(name);
d8945bb5 AV	156	}
79f6530c JL	157	static inline void audit_inode(struct filename *name,
79f6530c JL	158	const struct dentry *dentry,
bfcec708	159	unsigned int parent) {
79f6530c JL	160	if (unlikely(!audit_dummy_context())) {
	161	unsigned int flags = 0;
	162	if (parent)
	163	flags \|= AUDIT_INODE_PARENT;
	164	__audit_inode(name, dentry, flags);
	165	}
	166	}
	167	static inline void audit_inode_parent_hidden(struct filename *name,
	168	const struct dentry *dentry)
	169	{
5ac3a9c2	170	if (unlikely(!audit_dummy_context()))
79f6530c JL	171	__audit_inode(name, dentry,
79f6530c JL	172	AUDIT_INODE_PARENT \| AUDIT_INODE_HIDDEN);
73241ccc	173	}
c43a25ab	174	static inline void audit_inode_child(const struct inode *parent,
4fa6b5ec JL	175	const struct dentry *dentry,
4fa6b5ec JL	176	const unsigned char type) {
5ac3a9c2	177	if (unlikely(!audit_dummy_context()))
4fa6b5ec	178	__audit_inode_child(parent, dentry, type);
73241ccc	179	}
0a4ff8c2	180	void audit_core_dumps(long signr);
1da177e4	181
3dc1c1b2	182	static inline void audit_seccomp(unsigned long syscall, long signr, int code)
85e7bac3	183	{
7b9205bd KC	184	/* Force a record to be reported if a signal was delivered. */
7b9205bd KC	185	if (signr \|\| unlikely(!audit_dummy_context()))
3dc1c1b2	186	__audit_seccomp(syscall, signr, code);
85e7bac3 EP	187	}
85e7bac3 EP	188
a5cb013d AV	189	static inline void audit_ptrace(struct task_struct *t)
	190	{
	191	if (unlikely(!audit_dummy_context()))
	192	__audit_ptrace(t);
	193	}
	194
1da177e4	195	/* Private API (for audit.c only) */
bfb4496e	196	extern unsigned int audit_serial(void);
48887e63	197	extern int auditsc_get_stamp(struct audit_context *ctx,
bfb4496e	198	struct timespec t, unsigned int serial);
9321d526 KC	199	extern int audit_set_loginuid(kuid_t loginuid);
	200
	201	static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
	202	{
	203	return tsk->loginuid;
	204	}
	205
b6cfee4c	206	static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
9321d526 KC	207	{
	208	return tsk->sessionid;
	209	}
	210
a33e6751	211	extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
2570ebbd	212	extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
d9cfea91	213	extern void __audit_bprm(struct linux_binprm *bprm);
2950fa9d	214	extern int __audit_socketcall(int nargs, unsigned long *args);
07c49417	215	extern int __audit_sockaddr(int len, void *addr);
157cf649	216	extern void __audit_fd_pair(int fd1, int fd2);
df0a4283	217	extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr);
c32c8af4	218	extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout);
20114f71	219	extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
7392906e	220	extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
d84f4f99 DH	221	extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
	222	const struct cred *new,
	223	const struct cred *old);
ca24a23e	224	extern void __audit_log_capset(const struct cred new, const struct cred old);
120a795d	225	extern void __audit_mmap_fd(int fd, int flags);
d8945bb5	226
a33e6751	227	static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
d8945bb5	228	{
5ac3a9c2	229	if (unlikely(!audit_dummy_context()))
a33e6751	230	__audit_ipc_obj(ipcp);
db349509	231	}
157cf649	232	static inline void audit_fd_pair(int fd1, int fd2)
d8945bb5	233	{
5ac3a9c2	234	if (unlikely(!audit_dummy_context()))
157cf649	235	__audit_fd_pair(fd1, fd2);
d8945bb5	236	}
2570ebbd	237	static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode)
20ca73bc	238	{
5ac3a9c2	239	if (unlikely(!audit_dummy_context()))
e816f370	240	__audit_ipc_set_perm(qbytes, uid, gid, mode);
20ca73bc	241	}
9410d228	242	static inline void audit_bprm(struct linux_binprm *bprm)
07c49417 EP	243	{
07c49417 EP	244	if (unlikely(!audit_dummy_context()))
d9cfea91	245	__audit_bprm(bprm);
07c49417	246	}
2950fa9d	247	static inline int audit_socketcall(int nargs, unsigned long *args)
07c49417 EP	248	{
07c49417 EP	249	if (unlikely(!audit_dummy_context()))
2950fa9d CG	250	return __audit_socketcall(nargs, args);
2950fa9d CG	251	return 0;
07c49417 EP	252	}
	253	static inline int audit_sockaddr(int len, void *addr)
	254	{
	255	if (unlikely(!audit_dummy_context()))
	256	return __audit_sockaddr(len, addr);
	257	return 0;
	258	}
df0a4283	259	static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
20ca73bc	260	{
5ac3a9c2	261	if (unlikely(!audit_dummy_context()))
564f6993	262	__audit_mq_open(oflag, mode, attr);
20ca73bc	263	}
c32c8af4	264	static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout)
20ca73bc	265	{
5ac3a9c2	266	if (unlikely(!audit_dummy_context()))
c32c8af4	267	__audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout);
20ca73bc	268	}
20114f71	269	static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
20ca73bc	270	{
5ac3a9c2	271	if (unlikely(!audit_dummy_context()))
20114f71	272	__audit_mq_notify(mqdes, notification);
20ca73bc	273	}
7392906e	274	static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
20ca73bc	275	{
5ac3a9c2	276	if (unlikely(!audit_dummy_context()))
7392906e	277	__audit_mq_getsetattr(mqdes, mqstat);
20ca73bc	278	}
3fc689e9	279
d84f4f99 DH	280	static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
	281	const struct cred *new,
	282	const struct cred *old)
3fc689e9 EP	283	{
3fc689e9 EP	284	if (unlikely(!audit_dummy_context()))
d84f4f99 DH	285	return __audit_log_bprm_fcaps(bprm, new, old);
d84f4f99 DH	286	return 0;
3fc689e9 EP	287	}
3fc689e9 EP	288
ca24a23e	289	static inline void audit_log_capset(const struct cred *new,
d84f4f99	290	const struct cred *old)
e68b75a0 EP	291	{
e68b75a0 EP	292	if (unlikely(!audit_dummy_context()))
ca24a23e	293	__audit_log_capset(new, old);
e68b75a0 EP	294	}
e68b75a0 EP	295
120a795d AV	296	static inline void audit_mmap_fd(int fd, int flags)
	297	{
	298	if (unlikely(!audit_dummy_context()))
	299	__audit_mmap_fd(fd, flags);
	300	}
	301
471a5c7c	302	extern int audit_n_rules;
e54dc243	303	extern int audit_signals;
d7e7528b	304	#else /* CONFIG_AUDITSYSCALL */
9321d526 KC	305	static inline int audit_alloc(struct task_struct *task)
	306	{
	307	return 0;
	308	}
	309	static inline void audit_free(struct task_struct *task)
	310	{ }
	311	static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
	312	unsigned long a1, unsigned long a2,
	313	unsigned long a3)
	314	{ }
	315	static inline void audit_syscall_exit(void *pt_regs)
	316	{ }
	317	static inline int audit_dummy_context(void)
	318	{
	319	return 1;
	320	}
7ac86265 JL	321	static inline struct filename audit_reusename(const __user char name)
	322	{
	323	return NULL;
	324	}
91a27b2a	325	static inline void audit_getname(struct filename *name)
9321d526	326	{ }
91a27b2a	327	static inline void audit_putname(struct filename *name)
9321d526	328	{ }
adb5c247 JL	329	static inline void __audit_inode(struct filename *name,
adb5c247 JL	330	const struct dentry *dentry,
79f6530c	331	unsigned int flags)
9321d526	332	{ }
c43a25ab	333	static inline void __audit_inode_child(const struct inode *parent,
4fa6b5ec JL	334	const struct dentry *dentry,
4fa6b5ec JL	335	const unsigned char type)
9321d526	336	{ }
adb5c247 JL	337	static inline void audit_inode(struct filename *name,
adb5c247 JL	338	const struct dentry *dentry,
bfcec708	339	unsigned int parent)
9321d526	340	{ }
79f6530c JL	341	static inline void audit_inode_parent_hidden(struct filename *name,
	342	const struct dentry *dentry)
	343	{ }
c43a25ab	344	static inline void audit_inode_child(const struct inode *parent,
4fa6b5ec JL	345	const struct dentry *dentry,
4fa6b5ec JL	346	const unsigned char type)
9321d526 KC	347	{ }
	348	static inline void audit_core_dumps(long signr)
	349	{ }
	350	static inline void __audit_seccomp(unsigned long syscall, long signr, int code)
	351	{ }
	352	static inline void audit_seccomp(unsigned long syscall, long signr, int code)
	353	{ }
	354	static inline int auditsc_get_stamp(struct audit_context *ctx,
	355	struct timespec t, unsigned int serial)
	356	{
	357	return 0;
	358	}
	359	static inline kuid_t audit_get_loginuid(struct task_struct *tsk)
	360	{
	361	return INVALID_UID;
	362	}
b6cfee4c	363	static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
9321d526 KC	364	{
	365	return -1;
	366	}
9321d526 KC	367	static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
	368	{ }
	369	static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
	370	gid_t gid, umode_t mode)
	371	{ }
9410d228 RGB	372	static inline void audit_bprm(struct linux_binprm *bprm)
9410d228 RGB	373	{ }
2950fa9d CG	374	static inline int audit_socketcall(int nargs, unsigned long *args)
	375	{
	376	return 0;
	377	}
9321d526 KC	378	static inline void audit_fd_pair(int fd1, int fd2)
	379	{ }
	380	static inline int audit_sockaddr(int len, void *addr)
	381	{
	382	return 0;
	383	}
	384	static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
	385	{ }
	386	static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len,
	387	unsigned int msg_prio,
	388	const struct timespec *abs_timeout)
	389	{ }
	390	static inline void audit_mq_notify(mqd_t mqdes,
	391	const struct sigevent *notification)
	392	{ }
	393	static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
	394	{ }
	395	static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
	396	const struct cred *new,
	397	const struct cred *old)
	398	{
	399	return 0;
	400	}
ca24a23e EB	401	static inline void audit_log_capset(const struct cred *new,
ca24a23e EB	402	const struct cred *old)
9321d526 KC	403	{ }
	404	static inline void audit_mmap_fd(int fd, int flags)
	405	{ }
	406	static inline void audit_ptrace(struct task_struct *t)
	407	{ }
471a5c7c	408	#define audit_n_rules 0
e54dc243	409	#define audit_signals 0
d7e7528b	410	#endif /* CONFIG_AUDITSYSCALL */
1da177e4	411
780a7654 EB	412	static inline bool audit_loginuid_set(struct task_struct *tsk)
	413	{
	414	return uid_valid(audit_get_loginuid(tsk));
	415	}
	416
1da177e4 LT	417	#ifdef CONFIG_AUDIT
	418	/* These are defined in audit.c */
	419	/* Public API */
b9075fa9 JP	420	extern __printf(4, 5)
	421	void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
	422	const char *fmt, ...);
1da177e4	423
9796fdd8	424	extern struct audit_buffer audit_log_start(struct audit_context ctx, gfp_t gfp_mask, int type);
b9075fa9 JP	425	extern __printf(2, 3)
b9075fa9 JP	426	void audit_log_format(struct audit_buffer ab, const char fmt, ...);
1da177e4	427	extern void audit_log_end(struct audit_buffer *ab);
de6bbd1d EP	428	extern int audit_string_contains_control(const char *string,
de6bbd1d EP	429	size_t len);
b556f8ad EP	430	extern void audit_log_n_hex(struct audit_buffer *ab,
	431	const unsigned char *buf,
	432	size_t len);
	433	extern void audit_log_n_string(struct audit_buffer *ab,
	434	const char *buf,
	435	size_t n);
b556f8ad EP	436	extern void audit_log_n_untrustedstring(struct audit_buffer *ab,
	437	const char *string,
	438	size_t n);
de6bbd1d	439	extern void audit_log_untrustedstring(struct audit_buffer *ab,
83c7d091	440	const char *string);
1da177e4 LT	441	extern void audit_log_d_path(struct audit_buffer *ab,
1da177e4 LT	442	const char *prefix,
66b3fad3	443	const struct path *path);
9d960985 EP	444	extern void audit_log_key(struct audit_buffer *ab,
9d960985 EP	445	char *key);
a51d9eaa KC	446	extern void audit_log_link_denied(const char *operation,
a51d9eaa KC	447	struct path *link);
522ed776	448	extern void audit_log_lost(const char *message);
131ad62d MDF	449	#ifdef CONFIG_SECURITY
	450	extern void audit_log_secctx(struct audit_buffer *ab, u32 secid);
	451	#else
9321d526 KC	452	static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid)
9321d526 KC	453	{ }
131ad62d MDF	454	#endif
131ad62d MDF	455
b24a30a7 EP	456	extern int audit_log_task_context(struct audit_buffer *ab);
	457	extern void audit_log_task_info(struct audit_buffer *ab,
	458	struct task_struct *tsk);
	459
9d57a7f9 AD	460	extern int audit_update_lsm_rules(void);
9d57a7f9 AD	461
fe7752ba	462	/* Private API (for audit.c only) */
62062cf8	463	extern int audit_filter_user(int type);
fe7752ba	464	extern int audit_filter_type(int type);
ce0d9f04	465	extern int audit_rule_change(int type, __u32 portid, int seq,
dc9eb698	466	void *data, size_t datasz);
6f285b19	467	extern int audit_list_rules_send(struct sk_buff *request_skb, int seq);
ce0d9f04	468
3e1d0bb6	469	extern u32 audit_enabled;
9321d526 KC	470	#else /* CONFIG_AUDIT */
	471	static inline __printf(4, 5)
	472	void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type,
	473	const char *fmt, ...)
	474	{ }
	475	static inline struct audit_buffer audit_log_start(struct audit_context ctx,
	476	gfp_t gfp_mask, int type)
	477	{
	478	return NULL;
	479	}
	480	static inline __printf(2, 3)
	481	void audit_log_format(struct audit_buffer ab, const char fmt, ...)
	482	{ }
	483	static inline void audit_log_end(struct audit_buffer *ab)
	484	{ }
	485	static inline void audit_log_n_hex(struct audit_buffer *ab,
	486	const unsigned char *buf, size_t len)
	487	{ }
	488	static inline void audit_log_n_string(struct audit_buffer *ab,
	489	const char *buf, size_t n)
	490	{ }
	491	static inline void audit_log_n_untrustedstring(struct audit_buffer *ab,
	492	const char *string, size_t n)
	493	{ }
	494	static inline void audit_log_untrustedstring(struct audit_buffer *ab,
	495	const char *string)
	496	{ }
	497	static inline void audit_log_d_path(struct audit_buffer *ab,
	498	const char *prefix,
	499	const struct path *path)
	500	{ }
	501	static inline void audit_log_key(struct audit_buffer ab, char key)
	502	{ }
	503	static inline void audit_log_link_denied(const char *string,
	504	const struct path *link)
	505	{ }
	506	static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid)
	507	{ }
b24a30a7 EP	508	static inline int audit_log_task_context(struct audit_buffer *ab)
	509	{
	510	return 0;
	511	}
	512	static inline void audit_log_task_info(struct audit_buffer *ab,
	513	struct task_struct *tsk)
	514	{ }
522ed776	515	#define audit_enabled 0
9321d526 KC	516	#endif /* CONFIG_AUDIT */
	517	static inline void audit_log_string(struct audit_buffer ab, const char buf)
	518	{
	519	audit_log_n_string(ab, buf, strlen(buf));
	520	}
	521
1da177e4	522	#endif