/* SPDX-License-Identifier: GPL-2.0 */ /* * 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 int evm_set_key(void *key, size_t keylen); 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 static inline int evm_set_key(void *key, size_t keylen) { return -EOPNOTSUPP; } #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 */