#include <linux/smp_lock.h>
#include <linux/ext3_jbd.h>
#include <linux/ext3_fs.h>
+#include <linux/security.h>
#include "xattr.h"
static size_t
-ext3_xattr_security_list(char *list, struct inode *inode,
- const char *name, int name_len)
+ext3_xattr_security_list(struct inode *inode, char *list, size_t list_size,
+ const char *name, size_t name_len)
{
- const int prefix_len = sizeof(XATTR_SECURITY_PREFIX)-1;
+ const size_t prefix_len = sizeof(XATTR_SECURITY_PREFIX)-1;
+ const size_t total_len = prefix_len + name_len + 1;
- if (list) {
+
+ if (list && total_len <= list_size) {
memcpy(list, XATTR_SECURITY_PREFIX, prefix_len);
memcpy(list+prefix_len, name, name_len);
list[prefix_len + name_len] = '\0';
}
- return prefix_len + name_len + 1;
+ return total_len;
}
static int
value, size, flags);
}
-struct ext3_xattr_handler ext3_xattr_security_handler = {
+int
+ext3_init_security(handle_t *handle, struct inode *inode, struct inode *dir)
+{
+ int err;
+ size_t len;
+ void *value;
+ char *name;
+
+ err = security_inode_init_security(inode, dir, &name, &value, &len);
+ if (err) {
+ if (err == -EOPNOTSUPP)
+ return 0;
+ return err;
+ }
+ err = ext3_xattr_set_handle(handle, inode, EXT3_XATTR_INDEX_SECURITY,
+ name, value, len, 0);
+ kfree(name);
+ kfree(value);
+ return err;
+}
+
+struct xattr_handler ext3_xattr_security_handler = {
.prefix = XATTR_SECURITY_PREFIX,
.list = ext3_xattr_security_list,
.get = ext3_xattr_security_get,