evm: add evm_inode_init_security to initialize new files

Initialize 'security.evm' for new files.

Changelog v7:
- renamed evm_inode_post_init_security to evm_inode_init_security
- moved struct xattr definition to earlier patch
- allocate xattr name
Changelog v6:
- Use 'struct evm_ima_xattr_data'

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/security/integrity/evm/evm.h b/security/integrity/evm/evm.h
index 375dc3e6015c..a45d0d630a30 100644
--- a/security/integrity/evm/evm.h
+++ b/security/integrity/evm/evm.h
@@ -12,6 +12,7 @@
  * File: evm.h
  *
  */
+#include <linux/xattr.h>
 #include <linux/security.h>
 #include "../integrity.h"
 
@@ -29,5 +30,7 @@ extern int evm_update_evmxattr(struct dentry *dentry,
 extern int evm_calc_hmac(struct dentry *dentry, const char *req_xattr_name,
                          const char *req_xattr_value,
                          size_t req_xattr_value_len, char *digest);
+extern int evm_init_hmac(struct inode *inode, const struct xattr *xattr,
+                         char *hmac_val);
 extern int evm_init_secfs(void);
 extern void evm_cleanup_secfs(void);