57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
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/*
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* Copyright (C) 2005-2010 IBM Corporation
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*
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* Authors:
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* Mimi Zohar <zohar@us.ibm.com>
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* Kylene Hall <kjhall@us.ibm.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2 of the License.
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*
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* File: evm.h
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*
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*/
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#ifndef __INTEGRITY_EVM_H
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#define __INTEGRITY_EVM_H
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#include <linux/xattr.h>
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#include <linux/security.h>
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#include "../integrity.h"
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#define EVM_INIT_HMAC 0x0001
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#define EVM_INIT_X509 0x0002
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extern int evm_initialized;
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extern char *evm_hmac;
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extern char *evm_hash;
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#define EVM_ATTR_FSUUID 0x0001
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extern int evm_hmac_attrs;
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extern struct crypto_shash *hmac_tfm;
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extern struct crypto_shash *hash_tfm;
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/* List of EVM protected security xattrs */
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extern char *evm_config_xattrnames[];
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int evm_init_key(void);
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int evm_update_evmxattr(struct dentry *dentry,
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const char *req_xattr_name,
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const char *req_xattr_value,
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size_t req_xattr_value_len);
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int evm_calc_hmac(struct dentry *dentry, const char *req_xattr_name,
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const char *req_xattr_value,
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size_t req_xattr_value_len, char *digest);
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int evm_calc_hash(struct dentry *dentry, const char *req_xattr_name,
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const char *req_xattr_value,
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size_t req_xattr_value_len, char type, char *digest);
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int evm_init_hmac(struct inode *inode, const struct xattr *xattr,
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char *hmac_val);
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int evm_init_secfs(void);
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#endif
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