1 /* 2 * evm.h 3 * 4 * Copyright (c) 2009 IBM Corporation 5 * Author: Mimi Zohar <[email protected]> 6 */ 7 8 #ifndef _LINUX_EVM_H 9 #define _LINUX_EVM_H 10 11 #include <linux/integrity.h> 12 #include <linux/xattr.h> 13 14 struct integrity_iint_cache; 15 16 #ifdef CONFIG_EVM 17 extern enum integrity_status evm_verifyxattr(struct dentry *dentry, 18 const char *xattr_name, 19 void *xattr_value, 20 size_t xattr_value_len, 21 struct integrity_iint_cache *iint); 22 extern int evm_inode_setattr(struct dentry *dentry, struct iattr *attr); 23 extern void evm_inode_post_setattr(struct dentry *dentry, int ia_valid); 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); 31 extern void evm_inode_post_removexattr(struct dentry *dentry, 32 const char *xattr_name); 33 extern int evm_inode_init_security(struct inode *inode, 34 const struct xattr *xattr_array, 35 struct xattr *evm); 36 #else 37 #ifdef CONFIG_INTEGRITY 38 static inline enum integrity_status evm_verifyxattr(struct dentry *dentry, 39 const char *xattr_name, 40 void *xattr_value, 41 size_t xattr_value_len, 42 struct integrity_iint_cache *iint) 43 { 44 return INTEGRITY_UNKNOWN; 45 } 46 #endif 47 48 static inline int evm_inode_setattr(struct dentry *dentry, struct iattr *attr) 49 { 50 return 0; 51 } 52 53 static inline void evm_inode_post_setattr(struct dentry *dentry, int ia_valid) 54 { 55 return; 56 } 57 58 static inline int evm_inode_setxattr(struct dentry *dentry, const char *name, 59 const void *value, size_t size) 60 { 61 return 0; 62 } 63 64 static inline void evm_inode_post_setxattr(struct dentry *dentry, 65 const char *xattr_name, 66 const void *xattr_value, 67 size_t xattr_value_len) 68 { 69 return; 70 } 71 72 static inline int evm_inode_removexattr(struct dentry *dentry, 73 const char *xattr_name) 74 { 75 return 0; 76 } 77 78 static inline void evm_inode_post_removexattr(struct dentry *dentry, 79 const char *xattr_name) 80 { 81 return; 82 } 83 84 static inline int evm_inode_init_security(struct inode *inode, 85 const struct xattr *xattr_array, 86 struct xattr *evm) 87 { 88 return 0; 89 } 90 91 #endif /* CONFIG_EVM_H */ 92 #endif /* LINUX_EVM_H */ 93