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Diffstat (limited to 'security/integrity/integrity.h')
| -rw-r--r-- | security/integrity/integrity.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h new file mode 100644 index 000000000000..7351836325a8 --- /dev/null +++ b/security/integrity/integrity.h @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2009-2010 IBM Corporation + * + * Authors: + * Mimi Zohar <zohar@us.ibm.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, version 2 of the + * License. + * + */ + +#include <linux/types.h> +#include <linux/integrity.h> +#include <crypto/sha.h> + +/* iint cache flags */ +#define IMA_MEASURED 0x01 + +/* integrity data associated with an inode */ +struct integrity_iint_cache { + struct rb_node rb_node; /* rooted in integrity_iint_tree */ + struct inode *inode; /* back pointer to inode in question */ + u64 version; /* track inode changes */ + unsigned char flags; + u8 digest[SHA1_DIGEST_SIZE]; + struct mutex mutex; /* protects: version, flags, digest */ +}; + +/* rbtree tree calls to lookup, insert, delete + * integrity data associated with an inode. + */ +struct integrity_iint_cache *integrity_iint_insert(struct inode *inode); +struct integrity_iint_cache *integrity_iint_find(struct inode *inode); |