From 2d73a7d3b83c0e85741742f72998b41a35072990 Mon Sep 17 00:00:00 2001
From: Boyuan He <heboyuan@google.com>
Date: Tue, 18 Aug 2020 22:45:47 +0000
Subject: Implement FUSE_MKDIR

Fixes #3392
---
 pkg/sentry/fsimpl/fuse/directory.go | 51 +++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 pkg/sentry/fsimpl/fuse/directory.go

(limited to 'pkg/sentry/fsimpl/fuse/directory.go')

diff --git a/pkg/sentry/fsimpl/fuse/directory.go b/pkg/sentry/fsimpl/fuse/directory.go
new file mode 100644
index 000000000..44d41712a
--- /dev/null
+++ b/pkg/sentry/fsimpl/fuse/directory.go
@@ -0,0 +1,51 @@
+// Copyright 2020 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package fuse
+
+import (
+	"gvisor.dev/gvisor/pkg/context"
+	"gvisor.dev/gvisor/pkg/sentry/vfs"
+	"gvisor.dev/gvisor/pkg/syserror"
+	"gvisor.dev/gvisor/pkg/usermem"
+)
+
+type directoryFD struct {
+	fileDescription
+}
+
+// Allocate implements directoryFD.Allocate.
+func (directoryFD) Allocate(ctx context.Context, mode, offset, length uint64) error {
+	return syserror.EISDIR
+}
+
+// PRead implements FileDescriptionImpl.PRead.
+func (directoryFD) PRead(ctx context.Context, dst usermem.IOSequence, offset int64, opts vfs.ReadOptions) (int64, error) {
+	return 0, syserror.EISDIR
+}
+
+// Read implements FileDescriptionImpl.Read.
+func (directoryFD) Read(ctx context.Context, dst usermem.IOSequence, opts vfs.ReadOptions) (int64, error) {
+	return 0, syserror.EISDIR
+}
+
+// PWrite implements FileDescriptionImpl.PWrite.
+func (directoryFD) PWrite(ctx context.Context, src usermem.IOSequence, offset int64, opts vfs.WriteOptions) (int64, error) {
+	return 0, syserror.EISDIR
+}
+
+// Write implements FileDescriptionImpl.Write.
+func (directoryFD) Write(ctx context.Context, src usermem.IOSequence, opts vfs.WriteOptions) (int64, error) {
+	return 0, syserror.EISDIR
+}
-- 
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