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Diffstat (limited to 'security/integrity/evm/evm.h')
-rw-r--r--security/integrity/evm/evm.h27
1 files changed, 24 insertions, 3 deletions
diff --git a/security/integrity/evm/evm.h b/security/integrity/evm/evm.h
index 53bd7fec93fa..51aba5a54275 100644
--- a/security/integrity/evm/evm.h
+++ b/security/integrity/evm/evm.h
@@ -32,6 +32,26 @@ struct xattr_list {
bool enabled;
};
+#define EVM_NEW_FILE 0x00000001
+#define EVM_IMMUTABLE_DIGSIG 0x00000002
+
+/* EVM integrity metadata associated with an inode */
+struct evm_iint_cache {
+ unsigned long flags;
+ enum integrity_status evm_status:4;
+ struct integrity_inode_attributes metadata_inode;
+};
+
+extern struct lsm_blob_sizes evm_blob_sizes;
+
+static inline struct evm_iint_cache *evm_iint_inode(const struct inode *inode)
+{
+ if (unlikely(!inode->i_security))
+ return NULL;
+
+ return inode->i_security + evm_blob_sizes.lbs_inode;
+}
+
extern int evm_initialized;
#define EVM_ATTR_FSUUID 0x0001
@@ -42,7 +62,7 @@ extern int evm_hmac_attrs;
extern struct list_head evm_config_xattrnames;
struct evm_digest {
- struct ima_digest_data hdr;
+ struct ima_digest_data_hdr hdr;
char digest[IMA_MAX_DIGEST_SIZE];
} __packed;
@@ -55,11 +75,12 @@ int evm_update_evmxattr(struct dentry *dentry,
size_t req_xattr_value_len);
int evm_calc_hmac(struct dentry *dentry, const char *req_xattr_name,
const char *req_xattr_value,
- size_t req_xattr_value_len, struct evm_digest *data);
+ size_t req_xattr_value_len, struct evm_digest *data,
+ struct evm_iint_cache *iint);
int evm_calc_hash(struct dentry *dentry, const char *req_xattr_name,
const char *req_xattr_value,
size_t req_xattr_value_len, char type,
- struct evm_digest *data);
+ struct evm_digest *data, struct evm_iint_cache *iint);
int evm_init_hmac(struct inode *inode, const struct xattr *xattrs,
char *hmac_val);
int evm_init_secfs(void);