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author | James Morris <jmorris@namei.org> | 2011-08-09 10:31:03 +1000 |
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committer | James Morris <jmorris@namei.org> | 2011-08-09 10:31:03 +1000 |
commit | 5a2f3a02aea164f4f59c0c3497772090a411b462 (patch) | |
tree | d3ebe03d4f97575290087843960baa01de3acd0a /security/integrity/integrity.h | |
parent | 1d568ab068c021672d6cd7f50f92a3695a921ffb (diff) | |
parent | 817b54aa45db03437c6d09a7693fc6926eb8e822 (diff) | |
download | linux-5a2f3a02aea164f4f59c0c3497772090a411b462.tar.gz linux-5a2f3a02aea164f4f59c0c3497772090a411b462.tar.bz2 linux-5a2f3a02aea164f4f59c0c3497772090a411b462.zip |
Merge branch 'next-evm' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/ima-2.6 into next
Conflicts:
fs/attr.c
Resolve conflict manually.
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/integrity/integrity.h')
-rw-r--r-- | security/integrity/integrity.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h new file mode 100644 index 000000000000..880bbee2f534 --- /dev/null +++ b/security/integrity/integrity.h @@ -0,0 +1,47 @@ +/* + * 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 + +enum evm_ima_xattr_type { + IMA_XATTR_DIGEST = 0x01, + EVM_XATTR_HMAC, + EVM_IMA_XATTR_DIGSIG, +}; + +struct evm_ima_xattr_data { + u8 type; + u8 digest[SHA1_DIGEST_SIZE]; +} __attribute__((packed)); + +/* 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 */ + enum integrity_status evm_status; +}; + +/* 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); |