[linux-2.6-block.git] / security / smack / smack.h

/*
 * Copyright (C) 2007 Casey Schaufler <casey@schaufler-ca.com>
 *
 *      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, version 2.
 *
 * Author:
 *      Casey Schaufler <casey@schaufler-ca.com>
 *
 */

#ifndef _SECURITY_SMACK_H
#define _SECURITY_SMACK_H

#include <linux/capability.h>
#include <linux/spinlock.h>
#include <linux/security.h>
#include <linux/in.h>
#include <net/netlabel.h>
#include <linux/list.h>
#include <linux/rculist.h>
#include <linux/lsm_audit.h>

/*
 * Why 23? CIPSO is constrained to 30, so a 32 byte buffer is
 * bigger than can be used, and 24 is the next lower multiple
 * of 8, and there are too many issues if there isn't space set
 * aside for the terminating null byte.
 */
#define SMK_MAXLEN	23
#define SMK_LABELLEN	(SMK_MAXLEN+1)

struct superblock_smack {
	char		*smk_root;
	char		*smk_floor;
	char		*smk_hat;
	char		*smk_default;
	int		smk_initialized;
	spinlock_t	smk_sblock;	/* for initialization */
};

struct socket_smack {
	char		*smk_out;	/* outbound label */
	char		*smk_in;	/* inbound label */
	char		*smk_packet;	/* TCP peer label */
};

/*
 * Inode smack data
 */
struct inode_smack {
	char		*smk_inode;	/* label of the fso */
	char		*smk_task;	/* label of the task */
	char		*smk_mmap;	/* label of the mmap domain */
	struct mutex	smk_lock;	/* initialization lock */
	int		smk_flags;	/* smack inode flags */
};

struct task_smack {
	char			*smk_task;	/* label for access control */
	char			*smk_forked;	/* label when forked */
	struct list_head	smk_rules;	/* per task access rules */
	struct mutex		smk_rules_lock;	/* lock for the rules */
};

#define	SMK_INODE_INSTANT	0x01	/* inode is instantiated */
#define	SMK_INODE_TRANSMUTE	0x02	/* directory is transmuting */
#define	SMK_INODE_CHANGED	0x04	/* smack was transmuted */

/*
 * A label access rule.
 */
struct smack_rule {
	struct list_head	list;
	char			*smk_subject;
	char			*smk_object;
	int			smk_access;
};

/*
 * An entry in the table mapping smack values to
 * CIPSO level/category-set values.
 */
struct smack_cipso {
	int	smk_level;
	char	smk_catset[SMK_LABELLEN];
};

/*
 * An entry in the table identifying hosts.
 */
struct smk_netlbladdr {
	struct list_head	list;
	struct sockaddr_in	smk_host;	/* network address */
	struct in_addr		smk_mask;	/* network mask */
	char			*smk_label;	/* label */
};

/*
 * This is the repository for labels seen so that it is
 * not necessary to keep allocating tiny chuncks of memory
 * and so that they can be shared.
 *
 * Labels are never modified in place. Anytime a label
 * is imported (e.g. xattrset on a file) the list is checked
 * for it and it is added if it doesn't exist. The address
 * is passed out in either case. Entries are added, but
 * never deleted.
 *
 * Since labels are hanging around anyway it doesn't
 * hurt to maintain a secid for those awkward situations
 * where kernel components that ought to use LSM independent
 * interfaces don't. The secid should go away when all of
 * these components have been repaired.
 *
 * If there is a cipso value associated with the label it
 * gets stored here, too. This will most likely be rare as
 * the cipso direct mapping in used internally.
 *
 * Keep the access rules for this subject label here so that
 * the entire set of rules does not need to be examined every
 * time.
 */
struct smack_known {
	struct list_head	list;
	char			smk_known[SMK_LABELLEN];
	u32			smk_secid;
	struct smack_cipso	*smk_cipso;
	spinlock_t		smk_cipsolock;	/* for changing cipso map */
	struct list_head	smk_rules;	/* access rules */
	struct mutex		smk_rules_lock;	/* lock for the rules */
};

/*
 * Mount options
 */
#define SMK_FSDEFAULT	"smackfsdef="
#define SMK_FSFLOOR	"smackfsfloor="
#define SMK_FSHAT	"smackfshat="
#define SMK_FSROOT	"smackfsroot="

#define SMACK_CIPSO_OPTION 	"-CIPSO"

/*
 * How communications on this socket are treated.
 * Usually it's determined by the underlying netlabel code
 * but there are certain cases, including single label hosts
 * and potentially single label interfaces for which the
 * treatment can not be known in advance.
 *
 * The possibility of additional labeling schemes being
 * introduced in the future exists as well.
 */
#define SMACK_UNLABELED_SOCKET	0
#define SMACK_CIPSO_SOCKET	1

/*
 * smackfs magic number
 */
#define SMACK_MAGIC	0x43415d53 /* "SMAC" */

/*
 * CIPSO defaults.
 */
#define SMACK_CIPSO_DOI_DEFAULT		3	/* Historical */
#define SMACK_CIPSO_DOI_INVALID		-1	/* Not a DOI */
#define SMACK_CIPSO_DIRECT_DEFAULT	250	/* Arbitrary */
#define SMACK_CIPSO_MAXCATVAL		63	/* Bigger gets harder */
#define SMACK_CIPSO_MAXLEVEL            255     /* CIPSO 2.2 standard */
#define SMACK_CIPSO_MAXCATNUM           239     /* CIPSO 2.2 standard */

/*
 * Flag for transmute access
 */
#define MAY_TRANSMUTE	64
/*
 * Just to make the common cases easier to deal with
 */
#define MAY_ANYREAD	(MAY_READ | MAY_EXEC)
#define MAY_READWRITE	(MAY_READ | MAY_WRITE)
#define MAY_NOT		0

/*
 * Number of access types used by Smack (rwxat)
 */
#define SMK_NUM_ACCESS_TYPE 5

/* SMACK data */
struct smack_audit_data {
	const char *function;
	char *subject;
	char *object;
	char *request;
	int result;
};

/*
 * Smack audit data; is empty if CONFIG_AUDIT not set
 * to save some stack
 */
struct smk_audit_info {
#ifdef CONFIG_AUDIT
	struct common_audit_data a;
	struct smack_audit_data sad;
#endif
};
/*
 * These functions are in smack_lsm.c
 */
struct inode_smack *new_inode_smack(char *);

/*
 * These functions are in smack_access.c
 */
int smk_access_entry(char *, char *, struct list_head *);
int smk_access(char *, char *, int, struct smk_audit_info *);
int smk_curacc(char *, u32, struct smk_audit_info *);
int smack_to_cipso(const char *, struct smack_cipso *);
char *smack_from_cipso(u32, char *);
char *smack_from_secid(const u32);
void smk_parse_smack(const char *string, int len, char *smack);
char *smk_import(const char *, int);
struct smack_known *smk_import_entry(const char *, int);
struct smack_known *smk_find_entry(const char *);
u32 smack_to_secid(const char *);

/*
 * Shared data.
 */
extern int smack_cipso_direct;
extern char *smack_net_ambient;
extern char *smack_onlycap;
extern const char *smack_cipso_option;

extern struct smack_known smack_known_floor;
extern struct smack_known smack_known_hat;
extern struct smack_known smack_known_huh;
extern struct smack_known smack_known_invalid;
extern struct smack_known smack_known_star;
extern struct smack_known smack_known_web;

extern struct list_head smack_known_list;
extern struct list_head smk_netlbladdr_list;

extern struct security_operations smack_ops;

/*
 * Stricly for CIPSO level manipulation.
 * Set the category bit number in a smack label sized buffer.
 */
static inline void smack_catset_bit(int cat, char *catsetp)
{
	if (cat > SMK_LABELLEN * 8)
		return;

	catsetp[(cat - 1) / 8] |= 0x80 >> ((cat - 1) % 8);
}

/*
 * Is the directory transmuting?
 */
static inline int smk_inode_transmutable(const struct inode *isp)
{
	struct inode_smack *sip = isp->i_security;
	return (sip->smk_flags & SMK_INODE_TRANSMUTE) != 0;
}

/*
 * Present a pointer to the smack label in an inode blob.
 */
static inline char *smk_of_inode(const struct inode *isp)
{
	struct inode_smack *sip = isp->i_security;
	return sip->smk_inode;
}

/*
 * Present a pointer to the smack label in an task blob.
 */
static inline char *smk_of_task(const struct task_smack *tsp)
{
	return tsp->smk_task;
}

/*
 * Present a pointer to the forked smack label in an task blob.
 */
static inline char *smk_of_forked(const struct task_smack *tsp)
{
	return tsp->smk_forked;
}

/*
 * Present a pointer to the smack label in the current task blob.
 */
static inline char *smk_of_current(void)
{
	return smk_of_task(current_security());
}

/*
 * logging functions
 */
#define SMACK_AUDIT_DENIED 0x1
#define SMACK_AUDIT_ACCEPT 0x2
extern int log_policy;

void smack_log(char *subject_label, char *object_label,
		int request,
		int result, struct smk_audit_info *auditdata);

#ifdef CONFIG_AUDIT

/*
 * some inline functions to set up audit data
 * they do nothing if CONFIG_AUDIT is not set
 *
 */
static inline void smk_ad_init(struct smk_audit_info *a, const char *func,
			       char type)
{
	memset(a, 0, sizeof(*a));
	a->a.type = type;
	a->a.smack_audit_data = &a->sad;
	a->a.smack_audit_data->function = func;
}

static inline void smk_ad_init_net(struct smk_audit_info *a, const char *func,
				   char type, struct lsm_network_audit *net)
{
	smk_ad_init(a, func, type);
	memset(net, 0, sizeof(*net));
	a->a.u.net = net;
}

static inline void smk_ad_setfield_u_tsk(struct smk_audit_info *a,
					 struct task_struct *t)
{
	a->a.u.tsk = t;
}
static inline void smk_ad_setfield_u_fs_path_dentry(struct smk_audit_info *a,
						    struct dentry *d)
{
	a->a.u.dentry = d;
}
static inline void smk_ad_setfield_u_fs_inode(struct smk_audit_info *a,
					      struct inode *i)
{
	a->a.u.inode = i;
}
static inline void smk_ad_setfield_u_fs_path(struct smk_audit_info *a,
					     struct path p)
{
	a->a.u.path = p;
}
static inline void smk_ad_setfield_u_net_sk(struct smk_audit_info *a,
					    struct sock *sk)
{
	a->a.u.net->sk = sk;
}

#else /* no AUDIT */

static inline void smk_ad_init(struct smk_audit_info *a, const char *func,
			       char type)
{
}
static inline void smk_ad_setfield_u_tsk(struct smk_audit_info *a,
					 struct task_struct *t)
{
}
static inline void smk_ad_setfield_u_fs_path_dentry(struct smk_audit_info *a,
						    struct dentry *d)
{
}
static inline void smk_ad_setfield_u_fs_path_mnt(struct smk_audit_info *a,
						 struct vfsmount *m)
{
}
static inline void smk_ad_setfield_u_fs_inode(struct smk_audit_info *a,
					      struct inode *i)
{
}
static inline void smk_ad_setfield_u_fs_path(struct smk_audit_info *a,
					     struct path p)
{
}
static inline void smk_ad_setfield_u_net_sk(struct smk_audit_info *a,
					    struct sock *sk)
{
}
#endif

#endif  /* _SECURITY_SMACK_H */
Commit	Line	Data
e114e473 CS	1	/*
	2	* Copyright (C) 2007 Casey Schaufler <casey@schaufler-ca.com>
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation, version 2.
	7	*
	8	* Author:
	9	* Casey Schaufler <casey@schaufler-ca.com>
	10	*
	11	*/
	12
	13	#ifndef _SECURITY_SMACK_H
	14	#define _SECURITY_SMACK_H
	15
	16	#include <linux/capability.h>
	17	#include <linux/spinlock.h>
076c54c5	18	#include <linux/security.h>
6d3dc07c	19	#include <linux/in.h>
e114e473	20	#include <net/netlabel.h>
7198e2ee EB	21	#include <linux/list.h>
7198e2ee EB	22	#include <linux/rculist.h>
ecfcc53f	23	#include <linux/lsm_audit.h>
e114e473 CS	24
	25	/*
	26	* Why 23? CIPSO is constrained to 30, so a 32 byte buffer is
	27	* bigger than can be used, and 24 is the next lower multiple
	28	* of 8, and there are too many issues if there isn't space set
	29	* aside for the terminating null byte.
	30	*/
	31	#define SMK_MAXLEN 23
	32	#define SMK_LABELLEN (SMK_MAXLEN+1)
	33
e114e473 CS	34	struct superblock_smack {
	35	char *smk_root;
	36	char *smk_floor;
	37	char *smk_hat;
	38	char *smk_default;
	39	int smk_initialized;
	40	spinlock_t smk_sblock; /* for initialization */
	41	};
	42
	43	struct socket_smack {
272cd7a8 CS	44	char smk_out; / outbound label */
	45	char smk_in; / inbound label */
	46	char smk_packet; / TCP peer label */
e114e473 CS	47	};
	48
	49	/*
	50	* Inode smack data
	51	*/
	52	struct inode_smack {
	53	char smk_inode; / label of the fso */
676dac4b	54	char smk_task; / label of the task */
7898e1f8	55	char smk_mmap; / label of the mmap domain */
e114e473 CS	56	struct mutex smk_lock; /* initialization lock */
	57	int smk_flags; /* smack inode flags */
	58	};
	59
676dac4b	60	struct task_smack {
7898e1f8 CS	61	char smk_task; / label for access control */
	62	char smk_forked; / label when forked */
	63	struct list_head smk_rules; /* per task access rules */
	64	struct mutex smk_rules_lock; /* lock for the rules */
676dac4b CS	65	};
676dac4b CS	66
e114e473	67	#define SMK_INODE_INSTANT 0x01 /* inode is instantiated */
5c6d1125	68	#define SMK_INODE_TRANSMUTE 0x02 /* directory is transmuting */
2267b13a	69	#define SMK_INODE_CHANGED 0x04 /* smack was transmuted */
e114e473 CS	70
	71	/*
	72	* A label access rule.
	73	*/
	74	struct smack_rule {
7198e2ee EB	75	struct list_head list;
	76	char *smk_subject;
	77	char *smk_object;
	78	int smk_access;
e114e473 CS	79	};
	80
	81	/*
	82	* An entry in the table mapping smack values to
	83	* CIPSO level/category-set values.
	84	*/
	85	struct smack_cipso {
	86	int smk_level;
	87	char smk_catset[SMK_LABELLEN];
	88	};
	89
6d3dc07c CS	90	/*
	91	* An entry in the table identifying hosts.
	92	*/
	93	struct smk_netlbladdr {
7198e2ee	94	struct list_head list;
6d3dc07c CS	95	struct sockaddr_in smk_host; /* network address */
	96	struct in_addr smk_mask; /* network mask */
	97	char smk_label; / label */
	98	};
	99
e114e473 CS	100	/*
	101	* This is the repository for labels seen so that it is
	102	* not necessary to keep allocating tiny chuncks of memory
	103	* and so that they can be shared.
	104	*
	105	* Labels are never modified in place. Anytime a label
	106	* is imported (e.g. xattrset on a file) the list is checked
	107	* for it and it is added if it doesn't exist. The address
	108	* is passed out in either case. Entries are added, but
	109	* never deleted.
	110	*
	111	* Since labels are hanging around anyway it doesn't
	112	* hurt to maintain a secid for those awkward situations
	113	* where kernel components that ought to use LSM independent
	114	* interfaces don't. The secid should go away when all of
	115	* these components have been repaired.
	116	*
	117	* If there is a cipso value associated with the label it
	118	* gets stored here, too. This will most likely be rare as
	119	* the cipso direct mapping in used internally.
272cd7a8 CS	120	*
	121	* Keep the access rules for this subject label here so that
	122	* the entire set of rules does not need to be examined every
	123	* time.
e114e473 CS	124	*/
e114e473 CS	125	struct smack_known {
7198e2ee	126	struct list_head list;
e114e473 CS	127	char smk_known[SMK_LABELLEN];
	128	u32 smk_secid;
	129	struct smack_cipso *smk_cipso;
272cd7a8 CS	130	spinlock_t smk_cipsolock; /* for changing cipso map */
	131	struct list_head smk_rules; /* access rules */
	132	struct mutex smk_rules_lock; /* lock for the rules */
e114e473 CS	133	};
	134
	135	/*
	136	* Mount options
	137	*/
	138	#define SMK_FSDEFAULT "smackfsdef="
	139	#define SMK_FSFLOOR "smackfsfloor="
	140	#define SMK_FSHAT "smackfshat="
	141	#define SMK_FSROOT "smackfsroot="
	142
4303154e EB	143	#define SMACK_CIPSO_OPTION "-CIPSO"
4303154e EB	144
e114e473	145	/*
6d3dc07c CS	146	* How communications on this socket are treated.
	147	* Usually it's determined by the underlying netlabel code
	148	* but there are certain cases, including single label hosts
	149	* and potentially single label interfaces for which the
	150	* treatment can not be known in advance.
	151	*
	152	* The possibility of additional labeling schemes being
	153	* introduced in the future exists as well.
	154	*/
	155	#define SMACK_UNLABELED_SOCKET 0
	156	#define SMACK_CIPSO_SOCKET 1
	157
	158	/*
	159	* smackfs magic number
e114e473 CS	160	*/
	161	#define SMACK_MAGIC 0x43415d53 /* "SMAC" */
	162
e114e473 CS	163	/*
	164	* CIPSO defaults.
	165	*/
	166	#define SMACK_CIPSO_DOI_DEFAULT 3 /* Historical */
6d3dc07c	167	#define SMACK_CIPSO_DOI_INVALID -1 /* Not a DOI */
e114e473 CS	168	#define SMACK_CIPSO_DIRECT_DEFAULT 250 /* Arbitrary */
	169	#define SMACK_CIPSO_MAXCATVAL 63 /* Bigger gets harder */
	170	#define SMACK_CIPSO_MAXLEVEL 255 /* CIPSO 2.2 standard */
	171	#define SMACK_CIPSO_MAXCATNUM 239 /* CIPSO 2.2 standard */
	172
5c6d1125 JS	173	/*
	174	* Flag for transmute access
	175	*/
	176	#define MAY_TRANSMUTE 64
e114e473 CS	177	/*
	178	* Just to make the common cases easier to deal with
	179	*/
e114e473	180	#define MAY_ANYREAD (MAY_READ \| MAY_EXEC)
e114e473 CS	181	#define MAY_READWRITE (MAY_READ \| MAY_WRITE)
	182	#define MAY_NOT 0
	183
ecfcc53f	184	/*
ce8a4321	185	* Number of access types used by Smack (rwxat)
ecfcc53f	186	*/
ce8a4321	187	#define SMK_NUM_ACCESS_TYPE 5
ecfcc53f	188
3b3b0e4f EP	189	/* SMACK data */
	190	struct smack_audit_data {
	191	const char *function;
	192	char *subject;
	193	char *object;
	194	char *request;
	195	int result;
	196	};
	197
ecfcc53f EB	198	/*
	199	* Smack audit data; is empty if CONFIG_AUDIT not set
	200	* to save some stack
	201	*/
	202	struct smk_audit_info {
	203	#ifdef CONFIG_AUDIT
	204	struct common_audit_data a;
3b3b0e4f	205	struct smack_audit_data sad;
ecfcc53f EB	206	#endif
ecfcc53f EB	207	};
e114e473 CS	208	/*
	209	* These functions are in smack_lsm.c
	210	*/
	211	struct inode_smack new_inode_smack(char );
	212
	213	/*
	214	* These functions are in smack_access.c
	215	*/
7898e1f8	216	int smk_access_entry(char , char , struct list_head *);
ecfcc53f EB	217	int smk_access(char , char , int, struct smk_audit_info *);
ecfcc53f EB	218	int smk_curacc(char , u32, struct smk_audit_info );
e114e473	219	int smack_to_cipso(const char , struct smack_cipso );
272cd7a8	220	char smack_from_cipso(u32, char );
e114e473	221	char *smack_from_secid(const u32);
0e94ae17	222	void smk_parse_smack(const char string, int len, char smack);
e114e473 CS	223	char smk_import(const char , int);
e114e473 CS	224	struct smack_known smk_import_entry(const char , int);
272cd7a8	225	struct smack_known smk_find_entry(const char );
e114e473 CS	226	u32 smack_to_secid(const char *);
	227
	228	/*
	229	* Shared data.
	230	*/
	231	extern int smack_cipso_direct;
e114e473	232	extern char *smack_net_ambient;
15446235	233	extern char *smack_onlycap;
4303154e	234	extern const char *smack_cipso_option;
e114e473	235
e114e473 CS	236	extern struct smack_known smack_known_floor;
	237	extern struct smack_known smack_known_hat;
	238	extern struct smack_known smack_known_huh;
	239	extern struct smack_known smack_known_invalid;
	240	extern struct smack_known smack_known_star;
6d3dc07c	241	extern struct smack_known smack_known_web;
e114e473	242
7198e2ee	243	extern struct list_head smack_known_list;
7198e2ee EB	244	extern struct list_head smk_netlbladdr_list;
7198e2ee EB	245
076c54c5	246	extern struct security_operations smack_ops;
e114e473 CS	247
	248	/*
	249	* Stricly for CIPSO level manipulation.
	250	* Set the category bit number in a smack label sized buffer.
	251	*/
	252	static inline void smack_catset_bit(int cat, char *catsetp)
	253	{
	254	if (cat > SMK_LABELLEN * 8)
	255	return;
	256
	257	catsetp[(cat - 1) / 8] \|= 0x80 >> ((cat - 1) % 8);
	258	}
	259
5c6d1125 JS	260	/*
	261	* Is the directory transmuting?
	262	*/
	263	static inline int smk_inode_transmutable(const struct inode *isp)
	264	{
	265	struct inode_smack *sip = isp->i_security;
	266	return (sip->smk_flags & SMK_INODE_TRANSMUTE) != 0;
	267	}
	268
e114e473 CS	269	/*
	270	* Present a pointer to the smack label in an inode blob.
	271	*/
	272	static inline char smk_of_inode(const struct inode isp)
	273	{
	274	struct inode_smack *sip = isp->i_security;
	275	return sip->smk_inode;
	276	}
	277
676dac4b CS	278	/*
	279	* Present a pointer to the smack label in an task blob.
	280	*/
	281	static inline char smk_of_task(const struct task_smack tsp)
	282	{
	283	return tsp->smk_task;
	284	}
	285
	286	/*
	287	* Present a pointer to the forked smack label in an task blob.
	288	*/
	289	static inline char smk_of_forked(const struct task_smack tsp)
	290	{
	291	return tsp->smk_forked;
	292	}
	293
	294	/*
5c6d1125	295	* Present a pointer to the smack label in the current task blob.
676dac4b CS	296	*/
	297	static inline char *smk_of_current(void)
	298	{
	299	return smk_of_task(current_security());
	300	}
	301
ecfcc53f EB	302	/*
	303	* logging functions
	304	*/
	305	#define SMACK_AUDIT_DENIED 0x1
	306	#define SMACK_AUDIT_ACCEPT 0x2
	307	extern int log_policy;
	308
	309	void smack_log(char subject_label, char object_label,
	310	int request,
	311	int result, struct smk_audit_info *auditdata);
	312
	313	#ifdef CONFIG_AUDIT
	314
	315	/*
	316	* some inline functions to set up audit data
	317	* they do nothing if CONFIG_AUDIT is not set
	318	*
	319	*/
	320	static inline void smk_ad_init(struct smk_audit_info a, const char func,
	321	char type)
	322	{
	323	memset(a, 0, sizeof(*a));
	324	a->a.type = type;
3b3b0e4f EP	325	a->a.smack_audit_data = &a->sad;
3b3b0e4f EP	326	a->a.smack_audit_data->function = func;
ecfcc53f EB	327	}
ecfcc53f EB	328
48c62af6 EP	329	static inline void smk_ad_init_net(struct smk_audit_info a, const char func,
	330	char type, struct lsm_network_audit *net)
	331	{
	332	smk_ad_init(a, func, type);
	333	memset(net, 0, sizeof(*net));
	334	a->a.u.net = net;
	335	}
	336
ecfcc53f EB	337	static inline void smk_ad_setfield_u_tsk(struct smk_audit_info *a,
	338	struct task_struct *t)
	339	{
	340	a->a.u.tsk = t;
	341	}
	342	static inline void smk_ad_setfield_u_fs_path_dentry(struct smk_audit_info *a,
	343	struct dentry *d)
	344	{
a269434d	345	a->a.u.dentry = d;
ecfcc53f EB	346	}
	347	static inline void smk_ad_setfield_u_fs_inode(struct smk_audit_info *a,
	348	struct inode *i)
	349	{
f48b7399	350	a->a.u.inode = i;
ecfcc53f EB	351	}
	352	static inline void smk_ad_setfield_u_fs_path(struct smk_audit_info *a,
	353	struct path p)
	354	{
f48b7399	355	a->a.u.path = p;
ecfcc53f EB	356	}
	357	static inline void smk_ad_setfield_u_net_sk(struct smk_audit_info *a,
	358	struct sock *sk)
	359	{
48c62af6	360	a->a.u.net->sk = sk;
ecfcc53f EB	361	}
	362
	363	#else /* no AUDIT */
	364
	365	static inline void smk_ad_init(struct smk_audit_info a, const char func,
	366	char type)
	367	{
	368	}
	369	static inline void smk_ad_setfield_u_tsk(struct smk_audit_info *a,
	370	struct task_struct *t)
	371	{
	372	}
	373	static inline void smk_ad_setfield_u_fs_path_dentry(struct smk_audit_info *a,
	374	struct dentry *d)
	375	{
	376	}
	377	static inline void smk_ad_setfield_u_fs_path_mnt(struct smk_audit_info *a,
	378	struct vfsmount *m)
	379	{
	380	}
	381	static inline void smk_ad_setfield_u_fs_inode(struct smk_audit_info *a,
	382	struct inode *i)
	383	{
	384	}
	385	static inline void smk_ad_setfield_u_fs_path(struct smk_audit_info *a,
	386	struct path p)
	387	{
	388	}
	389	static inline void smk_ad_setfield_u_net_sk(struct smk_audit_info *a,
	390	struct sock *sk)
	391	{
	392	}
	393	#endif
	394
e114e473	395	#endif /* _SECURITY_SMACK_H */