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-rw-r--r--pkg/sentry/fs/ramfs/BUILD37
-rw-r--r--pkg/sentry/fs/ramfs/ramfs_state_autogen.go170
-rw-r--r--pkg/sentry/fs/ramfs/tree_test.go80
3 files changed, 170 insertions, 117 deletions
diff --git a/pkg/sentry/fs/ramfs/BUILD b/pkg/sentry/fs/ramfs/BUILD
deleted file mode 100644
index 8ca823fb3..000000000
--- a/pkg/sentry/fs/ramfs/BUILD
+++ /dev/null
@@ -1,37 +0,0 @@
-load("//tools:defs.bzl", "go_library", "go_test")
-
-package(licenses = ["notice"])
-
-go_library(
- name = "ramfs",
- srcs = [
- "dir.go",
- "socket.go",
- "symlink.go",
- "tree.go",
- ],
- visibility = ["//pkg/sentry:internal"],
- deps = [
- "//pkg/abi/linux",
- "//pkg/context",
- "//pkg/sentry/fs",
- "//pkg/sentry/fs/anon",
- "//pkg/sentry/fs/fsutil",
- "//pkg/sentry/socket/unix/transport",
- "//pkg/sync",
- "//pkg/syserror",
- "//pkg/usermem",
- "//pkg/waiter",
- ],
-)
-
-go_test(
- name = "ramfs_test",
- size = "small",
- srcs = ["tree_test.go"],
- library = ":ramfs",
- deps = [
- "//pkg/sentry/contexttest",
- "//pkg/sentry/fs",
- ],
-)
diff --git a/pkg/sentry/fs/ramfs/ramfs_state_autogen.go b/pkg/sentry/fs/ramfs/ramfs_state_autogen.go
new file mode 100644
index 000000000..482d5d391
--- /dev/null
+++ b/pkg/sentry/fs/ramfs/ramfs_state_autogen.go
@@ -0,0 +1,170 @@
+// automatically generated by stateify.
+
+package ramfs
+
+import (
+ "gvisor.dev/gvisor/pkg/state"
+)
+
+func (d *Dir) StateTypeName() string {
+ return "pkg/sentry/fs/ramfs.Dir"
+}
+
+func (d *Dir) StateFields() []string {
+ return []string{
+ "InodeSimpleAttributes",
+ "InodeSimpleExtendedAttributes",
+ "children",
+ "dentryMap",
+ }
+}
+
+func (d *Dir) beforeSave() {}
+
+func (d *Dir) StateSave(stateSinkObject state.Sink) {
+ d.beforeSave()
+ stateSinkObject.Save(0, &d.InodeSimpleAttributes)
+ stateSinkObject.Save(1, &d.InodeSimpleExtendedAttributes)
+ stateSinkObject.Save(2, &d.children)
+ stateSinkObject.Save(3, &d.dentryMap)
+}
+
+func (d *Dir) afterLoad() {}
+
+func (d *Dir) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &d.InodeSimpleAttributes)
+ stateSourceObject.Load(1, &d.InodeSimpleExtendedAttributes)
+ stateSourceObject.Load(2, &d.children)
+ stateSourceObject.Load(3, &d.dentryMap)
+}
+
+func (dfo *dirFileOperations) StateTypeName() string {
+ return "pkg/sentry/fs/ramfs.dirFileOperations"
+}
+
+func (dfo *dirFileOperations) StateFields() []string {
+ return []string{
+ "dirCursor",
+ "dir",
+ }
+}
+
+func (dfo *dirFileOperations) beforeSave() {}
+
+func (dfo *dirFileOperations) StateSave(stateSinkObject state.Sink) {
+ dfo.beforeSave()
+ stateSinkObject.Save(0, &dfo.dirCursor)
+ stateSinkObject.Save(1, &dfo.dir)
+}
+
+func (dfo *dirFileOperations) afterLoad() {}
+
+func (dfo *dirFileOperations) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &dfo.dirCursor)
+ stateSourceObject.Load(1, &dfo.dir)
+}
+
+func (s *Socket) StateTypeName() string {
+ return "pkg/sentry/fs/ramfs.Socket"
+}
+
+func (s *Socket) StateFields() []string {
+ return []string{
+ "InodeSimpleAttributes",
+ "InodeSimpleExtendedAttributes",
+ "ep",
+ }
+}
+
+func (s *Socket) beforeSave() {}
+
+func (s *Socket) StateSave(stateSinkObject state.Sink) {
+ s.beforeSave()
+ stateSinkObject.Save(0, &s.InodeSimpleAttributes)
+ stateSinkObject.Save(1, &s.InodeSimpleExtendedAttributes)
+ stateSinkObject.Save(2, &s.ep)
+}
+
+func (s *Socket) afterLoad() {}
+
+func (s *Socket) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &s.InodeSimpleAttributes)
+ stateSourceObject.Load(1, &s.InodeSimpleExtendedAttributes)
+ stateSourceObject.Load(2, &s.ep)
+}
+
+func (s *socketFileOperations) StateTypeName() string {
+ return "pkg/sentry/fs/ramfs.socketFileOperations"
+}
+
+func (s *socketFileOperations) StateFields() []string {
+ return []string{}
+}
+
+func (s *socketFileOperations) beforeSave() {}
+
+func (s *socketFileOperations) StateSave(stateSinkObject state.Sink) {
+ s.beforeSave()
+}
+
+func (s *socketFileOperations) afterLoad() {}
+
+func (s *socketFileOperations) StateLoad(stateSourceObject state.Source) {
+}
+
+func (s *Symlink) StateTypeName() string {
+ return "pkg/sentry/fs/ramfs.Symlink"
+}
+
+func (s *Symlink) StateFields() []string {
+ return []string{
+ "InodeSimpleAttributes",
+ "InodeSimpleExtendedAttributes",
+ "Target",
+ }
+}
+
+func (s *Symlink) beforeSave() {}
+
+func (s *Symlink) StateSave(stateSinkObject state.Sink) {
+ s.beforeSave()
+ stateSinkObject.Save(0, &s.InodeSimpleAttributes)
+ stateSinkObject.Save(1, &s.InodeSimpleExtendedAttributes)
+ stateSinkObject.Save(2, &s.Target)
+}
+
+func (s *Symlink) afterLoad() {}
+
+func (s *Symlink) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &s.InodeSimpleAttributes)
+ stateSourceObject.Load(1, &s.InodeSimpleExtendedAttributes)
+ stateSourceObject.Load(2, &s.Target)
+}
+
+func (s *symlinkFileOperations) StateTypeName() string {
+ return "pkg/sentry/fs/ramfs.symlinkFileOperations"
+}
+
+func (s *symlinkFileOperations) StateFields() []string {
+ return []string{}
+}
+
+func (s *symlinkFileOperations) beforeSave() {}
+
+func (s *symlinkFileOperations) StateSave(stateSinkObject state.Sink) {
+ s.beforeSave()
+}
+
+func (s *symlinkFileOperations) afterLoad() {}
+
+func (s *symlinkFileOperations) StateLoad(stateSourceObject state.Source) {
+}
+
+func init() {
+ state.Register((*Dir)(nil))
+ state.Register((*dirFileOperations)(nil))
+ state.Register((*Socket)(nil))
+ state.Register((*socketFileOperations)(nil))
+ state.Register((*Symlink)(nil))
+ state.Register((*symlinkFileOperations)(nil))
+}
diff --git a/pkg/sentry/fs/ramfs/tree_test.go b/pkg/sentry/fs/ramfs/tree_test.go
deleted file mode 100644
index 3e0d1e07e..000000000
--- a/pkg/sentry/fs/ramfs/tree_test.go
+++ /dev/null
@@ -1,80 +0,0 @@
-// Copyright 2018 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 ramfs
-
-import (
- "testing"
-
- "gvisor.dev/gvisor/pkg/sentry/contexttest"
- "gvisor.dev/gvisor/pkg/sentry/fs"
-)
-
-func TestMakeDirectoryTree(t *testing.T) {
-
- for _, test := range []struct {
- name string
- subdirs []string
- }{
- {
- name: "abs paths",
- subdirs: []string{
- "/tmp",
- "/tmp/a/b",
- "/tmp/a/c/d",
- "/tmp/c",
- "/proc",
- "/dev/a/b",
- "/tmp",
- },
- },
- {
- name: "rel paths",
- subdirs: []string{
- "tmp",
- "tmp/a/b",
- "tmp/a/c/d",
- "tmp/c",
- "proc",
- "dev/a/b",
- "tmp",
- },
- },
- } {
- ctx := contexttest.Context(t)
- mount := fs.NewPseudoMountSource(ctx)
- tree, err := MakeDirectoryTree(ctx, mount, test.subdirs)
- if err != nil {
- t.Errorf("%s: failed to make ramfs tree, got error %v, want nil", test.name, err)
- continue
- }
-
- // Expect to be able to find each of the paths.
- mm, err := fs.NewMountNamespace(ctx, tree)
- if err != nil {
- t.Errorf("%s: failed to create mount manager: %v", test.name, err)
- continue
- }
- root := mm.Root()
- defer mm.DecRef(ctx)
-
- for _, p := range test.subdirs {
- maxTraversals := uint(0)
- if _, err := mm.FindInode(ctx, root, nil, p, &maxTraversals); err != nil {
- t.Errorf("%s: failed to find node %s: %v", test.name, p, err)
- break
- }
- }
- }
-}