[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / evm.h

/*
 * evm.h
 *
 * Copyright (c) 2009 IBM Corporation
 * Author: Mimi Zohar <zohar@us.ibm.com>
 */

#ifndef _LINUX_EVM_H
#define _LINUX_EVM_H

#include <linux/integrity.h>
#include <linux/xattr.h>

struct integrity_iint_cache;

#ifdef CONFIG_EVM
extern enum integrity_status evm_verifyxattr(struct dentry *dentry,
					     const char *xattr_name,
					     void *xattr_value,
					     size_t xattr_value_len,
					     struct integrity_iint_cache *iint);
extern int evm_inode_setattr(struct dentry *dentry, struct iattr *attr);
extern void evm_inode_post_setattr(struct dentry *dentry, int ia_valid);
extern int evm_inode_setxattr(struct dentry *dentry, const char *name,
			      const void *value, size_t size);
extern void evm_inode_post_setxattr(struct dentry *dentry,
				    const char *xattr_name,
				    const void *xattr_value,
				    size_t xattr_value_len);
extern int evm_inode_removexattr(struct dentry *dentry, const char *xattr_name);
extern void evm_inode_post_removexattr(struct dentry *dentry,
				       const char *xattr_name);
extern int evm_inode_init_security(struct inode *inode,
				   const struct xattr *xattr_array,
				   struct xattr *evm);
#ifdef CONFIG_FS_POSIX_ACL
extern int posix_xattr_acl(const char *xattrname);
#else
static inline int posix_xattr_acl(const char *xattrname)
{
	return 0;
}
#endif
#else
#ifdef CONFIG_INTEGRITY
static inline enum integrity_status evm_verifyxattr(struct dentry *dentry,
						    const char *xattr_name,
						    void *xattr_value,
						    size_t xattr_value_len,
					struct integrity_iint_cache *iint)
{
	return INTEGRITY_UNKNOWN;
}
#endif

static inline int evm_inode_setattr(struct dentry *dentry, struct iattr *attr)
{
	return 0;
}

static inline void evm_inode_post_setattr(struct dentry *dentry, int ia_valid)
{
	return;
}

static inline int evm_inode_setxattr(struct dentry *dentry, const char *name,
				     const void *value, size_t size)
{
	return 0;
}

static inline void evm_inode_post_setxattr(struct dentry *dentry,
					   const char *xattr_name,
					   const void *xattr_value,
					   size_t xattr_value_len)
{
	return;
}

static inline int evm_inode_removexattr(struct dentry *dentry,
					const char *xattr_name)
{
	return 0;
}

static inline void evm_inode_post_removexattr(struct dentry *dentry,
					      const char *xattr_name)
{
	return;
}

static inline int evm_inode_init_security(struct inode *inode,
					  const struct xattr *xattr_array,
					  struct xattr *evm)
{
	return 0;
}

#endif /* CONFIG_EVM */
#endif /* LINUX_EVM_H */
Commit	Line	Data
3e1be52d MZ	1	/*
	2	* evm.h
	3	*
	4	* Copyright (c) 2009 IBM Corporation
	5	* Author: Mimi Zohar <zohar@us.ibm.com>
	6	*/
	7
	8	#ifndef _LINUX_EVM_H
	9	#define _LINUX_EVM_H
	10
	11	#include <linux/integrity.h>
cb723180	12	#include <linux/xattr.h>
3e1be52d	13
2960e6cb DK	14	struct integrity_iint_cache;
2960e6cb DK	15
3e1be52d MZ	16	#ifdef CONFIG_EVM
	17	extern enum integrity_status evm_verifyxattr(struct dentry *dentry,
	18	const char *xattr_name,
	19	void *xattr_value,
2960e6cb DK	20	size_t xattr_value_len,
2960e6cb DK	21	struct integrity_iint_cache *iint);
817b54aa	22	extern int evm_inode_setattr(struct dentry dentry, struct iattr attr);
975d2943	23	extern void evm_inode_post_setattr(struct dentry *dentry, int ia_valid);
3e1be52d MZ	24	extern int evm_inode_setxattr(struct dentry dentry, const char name,
	25	const void *value, size_t size);
	26	extern void evm_inode_post_setxattr(struct dentry *dentry,
	27	const char *xattr_name,
	28	const void *xattr_value,
	29	size_t xattr_value_len);
	30	extern int evm_inode_removexattr(struct dentry dentry, const char xattr_name);
c7b87de2 MZ	31	extern void evm_inode_post_removexattr(struct dentry *dentry,
c7b87de2 MZ	32	const char *xattr_name);
cb723180 MZ	33	extern int evm_inode_init_security(struct inode *inode,
	34	const struct xattr *xattr_array,
	35	struct xattr *evm);
bf6d0f5d MZ	36	#ifdef CONFIG_FS_POSIX_ACL
	37	extern int posix_xattr_acl(const char *xattrname);
	38	#else
	39	static inline int posix_xattr_acl(const char *xattrname)
	40	{
	41	return 0;
	42	}
	43	#endif
3e1be52d MZ	44	#else
	45	#ifdef CONFIG_INTEGRITY
	46	static inline enum integrity_status evm_verifyxattr(struct dentry *dentry,
	47	const char *xattr_name,
	48	void *xattr_value,
2960e6cb DK	49	size_t xattr_value_len,
2960e6cb DK	50	struct integrity_iint_cache *iint)
3e1be52d MZ	51	{
	52	return INTEGRITY_UNKNOWN;
	53	}
	54	#endif
	55
e1c9b23a	56	static inline int evm_inode_setattr(struct dentry dentry, struct iattr attr)
817b54aa MZ	57	{
	58	return 0;
	59	}
	60
975d2943 MZ	61	static inline void evm_inode_post_setattr(struct dentry *dentry, int ia_valid)
	62	{
	63	return;
	64	}
	65
3e1be52d MZ	66	static inline int evm_inode_setxattr(struct dentry dentry, const char name,
	67	const void *value, size_t size)
	68	{
	69	return 0;
	70	}
	71
	72	static inline void evm_inode_post_setxattr(struct dentry *dentry,
	73	const char *xattr_name,
	74	const void *xattr_value,
	75	size_t xattr_value_len)
	76	{
	77	return;
	78	}
	79
	80	static inline int evm_inode_removexattr(struct dentry *dentry,
	81	const char *xattr_name)
	82	{
	83	return 0;
	84	}
c7b87de2 MZ	85
	86	static inline void evm_inode_post_removexattr(struct dentry *dentry,
	87	const char *xattr_name)
	88	{
	89	return;
	90	}
	91
cb723180 MZ	92	static inline int evm_inode_init_security(struct inode *inode,
	93	const struct xattr *xattr_array,
	94	struct xattr *evm)
	95	{
5a4730ba	96	return 0;
cb723180 MZ	97	}
cb723180 MZ	98
e05a4f4f	99	#endif /* CONFIG_EVM */
3e1be52d	100	#endif /* LINUX_EVM_H */