root/include/linux/evm.h

DEFINITIONS

1. posix_xattr_acl
2. evm_verifyxattr
3. evm_inode_setattr
4. evm_inode_post_setattr
5. evm_inode_setxattr
6. evm_inode_post_setxattr
7. evm_inode_removexattr
8. evm_inode_post_removexattr
9. evm_inode_init_security

/*
 * 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 */