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Subject[PATCH v6 13/20] evm: add evm_inode_post_init call in jffs2
Date
After creating the initial LSM security extended attribute, call
evm_inode_post_init_security() to create the 'security.evm'
extended attribute.

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
---
fs/jffs2/security.c | 26 +++++++++++++++++++-------
1 files changed, 19 insertions(+), 7 deletions(-)
diff --git a/fs/jffs2/security.c b/fs/jffs2/security.c
index cfeb716..6847769 100644
--- a/fs/jffs2/security.c
+++ b/fs/jffs2/security.c
@@ -20,6 +20,7 @@
#include <linux/xattr.h>
#include <linux/mtd/mtd.h>
#include <linux/security.h>
+#include <linux/evm.h>
#include "nodelist.h"

/* ---- Initial Security Label Attachment -------------- */
@@ -28,19 +29,30 @@ int jffs2_init_security(struct inode *inode, struct inode *dir,
{
int rc;
size_t len;
- void *value;
- char *name;
+ struct xattr lsm_xattr;
+ struct xattr evm_xattr;

- rc = security_inode_init_security(inode, dir, qstr, &name, &value, &len);
+ rc = security_inode_init_security(inode, dir, qstr, &lsm_xattr.name,
+ &lsm_xattr.value,
+ &lsm_xattr.value_len);
if (rc) {
if (rc == -EOPNOTSUPP)
return 0;
return rc;
}
- rc = do_jffs2_setxattr(inode, JFFS2_XPREFIX_SECURITY, name, value, len, 0);
-
- kfree(name);
- kfree(value);
+ rc = do_jffs2_setxattr(inode, JFFS2_XPREFIX_SECURITY, lsm_xattr.name,
+ lsm_xattr.value, lsm_xattr.value_len, 0);
+ if (rc)
+ goto out;
+ rc = evm_inode_post_init_security(inode, &lsm_xattr, &evm_xattr);
+ if (err)
+ goto out;
+ rc = do_jffs2_setxattr(inode, JFFS2_XPREFIX_SECURITY, evm_xattr.name,
+ evm_xattr.value, evm_xattr.value_len, 0);
+ kfree(evm_xattr.value);
+out:
+ kfree(lsm_xattr.name);
+ kfree(lsm_xattr.value);
return rc;
}

--
1.7.3.4


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