dbfs: Don't permit root inode unlink; increase getattr attr timeout.

3 files changed, 8 insertions, 1 deletions

diff --git a/dbfs-backend.c b/dbfs-backend.c
index e051c75..aeffa16 100644
--- a/dbfs-backend.c
+++ b/dbfs-backend.c
@@ -361,6 +361,11 @@ int dbfs_unlink(guint64 parent, const char *name, unsigned long flags)
 	if (rc)
 		goto out;
 
+	if (ino_n == DBFS_ROOT_INO) {
+		rc = -EINVAL;
+		goto out;
+	}
+
 	rc = dbfs_inode_read(ino_n, &ino);
 	if (rc)
 		goto out;
diff --git a/dbfs.c b/dbfs.c
index 3a2d2e4..1758737 100644
--- a/dbfs.c
+++ b/dbfs.c
@@ -41,7 +41,7 @@ static void dbfs_op_getattr(fuse_req_t req, fuse_ino_t ino_n,
 	st.st_mtime	= GUINT64_FROM_LE(ino->raw_inode->mtime);
 	st.st_ctime	= GUINT64_FROM_LE(ino->raw_inode->ctime);
 
-	fuse_reply_attr(req, &st, 1.0);
+	fuse_reply_attr(req, &st, 2.0);
 
 	dbfs_inode_free(ino);
 }
diff --git a/dbfs.h b/dbfs.h
index 4b37289..030acb5 100644
--- a/dbfs.h
+++ b/dbfs.h
@@ -5,6 +5,8 @@ enum {
 	DBFS_BLK_ID_LEN		= 20,
 
 	DBFS_UNLINK_DIR		= (1 << 0),
+
+	DBFS_ROOT_INO		= 1,
 };
 
 enum {