mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 11:44:01 +08:00
bf6d0f5dcd
The posix xattr acls are 'system' prefixed, which normally would not affect security.evm. An interesting side affect of writing posix xattr acls is their modifying of the i_mode, which is included in security.evm. This patch updates security.evm when posix xattr acls are written. Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
/*
|
|
* 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_H */
|
|
#endif /* LINUX_EVM_H */
|