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108 lines
2.6 KiB
108 lines
2.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* evm.h |
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* |
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* Copyright (c) 2009 IBM Corporation |
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* Author: Mimi Zohar <[email protected]> |
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*/ |
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#ifndef _LINUX_EVM_H |
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#define _LINUX_EVM_H |
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#include <linux/integrity.h> |
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#include <linux/xattr.h> |
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struct integrity_iint_cache; |
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#ifdef CONFIG_EVM |
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extern int evm_set_key(void *key, size_t keylen); |
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extern enum integrity_status evm_verifyxattr(struct dentry *dentry, |
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const char *xattr_name, |
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void *xattr_value, |
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size_t xattr_value_len, |
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struct integrity_iint_cache *iint); |
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extern int evm_inode_setattr(struct dentry *dentry, struct iattr *attr); |
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extern void evm_inode_post_setattr(struct dentry *dentry, int ia_valid); |
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extern int evm_inode_setxattr(struct dentry *dentry, const char *name, |
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const void *value, size_t size); |
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extern void evm_inode_post_setxattr(struct dentry *dentry, |
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const char *xattr_name, |
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const void *xattr_value, |
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size_t xattr_value_len); |
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extern int evm_inode_removexattr(struct dentry *dentry, const char *xattr_name); |
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extern void evm_inode_post_removexattr(struct dentry *dentry, |
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const char *xattr_name); |
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extern int evm_inode_init_security(struct inode *inode, |
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const struct xattr *xattr_array, |
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struct xattr *evm); |
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#ifdef CONFIG_FS_POSIX_ACL |
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extern int posix_xattr_acl(const char *xattrname); |
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#else |
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static inline int posix_xattr_acl(const char *xattrname) |
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{ |
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return 0; |
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} |
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#endif |
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#else |
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static inline int evm_set_key(void *key, size_t keylen) |
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{ |
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return -EOPNOTSUPP; |
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} |
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#ifdef CONFIG_INTEGRITY |
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static inline enum integrity_status evm_verifyxattr(struct dentry *dentry, |
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const char *xattr_name, |
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void *xattr_value, |
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size_t xattr_value_len, |
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struct integrity_iint_cache *iint) |
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{ |
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return INTEGRITY_UNKNOWN; |
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} |
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#endif |
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static inline int evm_inode_setattr(struct dentry *dentry, struct iattr *attr) |
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{ |
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return 0; |
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} |
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static inline void evm_inode_post_setattr(struct dentry *dentry, int ia_valid) |
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{ |
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return; |
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} |
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static inline int evm_inode_setxattr(struct dentry *dentry, const char *name, |
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const void *value, size_t size) |
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{ |
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return 0; |
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} |
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static inline void evm_inode_post_setxattr(struct dentry *dentry, |
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const char *xattr_name, |
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const void *xattr_value, |
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size_t xattr_value_len) |
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{ |
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return; |
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} |
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static inline int evm_inode_removexattr(struct dentry *dentry, |
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const char *xattr_name) |
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{ |
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return 0; |
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} |
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static inline void evm_inode_post_removexattr(struct dentry *dentry, |
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const char *xattr_name) |
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{ |
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return; |
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} |
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static inline int evm_inode_init_security(struct inode *inode, |
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const struct xattr *xattr_array, |
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struct xattr *evm) |
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{ |
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return 0; |
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} |
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#endif /* CONFIG_EVM */ |
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#endif /* LINUX_EVM_H */
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