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2a709f28fa
* 0day explit mitigation * Memory corruption prevention * Privilege escalation prevention * Buffer over flow prevention * File System corruption defense * Thread escape prevention This may very well be the most intensive inclusion to BrooklynR. This will not be part of an x86 suite nor it will be released as tool kit. The security core toolkit will remain part of kernel base.
108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
/*
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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 <zohar@us.ibm.com>
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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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