summaryrefslogtreecommitdiffhomepage
path: root/pkg/sentry/fs/tty
diff options
context:
space:
mode:
Diffstat (limited to 'pkg/sentry/fs/tty')
-rw-r--r--pkg/sentry/fs/tty/BUILD49
-rw-r--r--pkg/sentry/fs/tty/tty_state_autogen.go407
-rw-r--r--pkg/sentry/fs/tty/tty_test.go56
3 files changed, 407 insertions, 105 deletions
diff --git a/pkg/sentry/fs/tty/BUILD b/pkg/sentry/fs/tty/BUILD
deleted file mode 100644
index 9e9dc06f3..000000000
--- a/pkg/sentry/fs/tty/BUILD
+++ /dev/null
@@ -1,49 +0,0 @@
-load("//tools:defs.bzl", "go_library", "go_test")
-
-package(licenses = ["notice"])
-
-go_library(
- name = "tty",
- srcs = [
- "dir.go",
- "fs.go",
- "line_discipline.go",
- "master.go",
- "queue.go",
- "replica.go",
- "terminal.go",
- ],
- visibility = ["//pkg/sentry:internal"],
- deps = [
- "//pkg/abi/linux",
- "//pkg/context",
- "//pkg/errors/linuxerr",
- "//pkg/hostarch",
- "//pkg/marshal/primitive",
- "//pkg/refs",
- "//pkg/safemem",
- "//pkg/sentry/arch",
- "//pkg/sentry/device",
- "//pkg/sentry/fs",
- "//pkg/sentry/fs/fsutil",
- "//pkg/sentry/kernel",
- "//pkg/sentry/kernel/auth",
- "//pkg/sentry/socket/unix/transport",
- "//pkg/sentry/unimpl",
- "//pkg/sync",
- "//pkg/usermem",
- "//pkg/waiter",
- ],
-)
-
-go_test(
- name = "tty_test",
- size = "small",
- srcs = ["tty_test.go"],
- library = ":tty",
- deps = [
- "//pkg/abi/linux",
- "//pkg/sentry/contexttest",
- "//pkg/usermem",
- ],
-)
diff --git a/pkg/sentry/fs/tty/tty_state_autogen.go b/pkg/sentry/fs/tty/tty_state_autogen.go
new file mode 100644
index 000000000..1319a8d28
--- /dev/null
+++ b/pkg/sentry/fs/tty/tty_state_autogen.go
@@ -0,0 +1,407 @@
+// automatically generated by stateify.
+
+package tty
+
+import (
+ "gvisor.dev/gvisor/pkg/state"
+)
+
+func (d *dirInodeOperations) StateTypeName() string {
+ return "pkg/sentry/fs/tty.dirInodeOperations"
+}
+
+func (d *dirInodeOperations) StateFields() []string {
+ return []string{
+ "InodeSimpleAttributes",
+ "msrc",
+ "master",
+ "replicas",
+ "dentryMap",
+ "next",
+ }
+}
+
+func (d *dirInodeOperations) beforeSave() {}
+
+// +checklocksignore
+func (d *dirInodeOperations) StateSave(stateSinkObject state.Sink) {
+ d.beforeSave()
+ stateSinkObject.Save(0, &d.InodeSimpleAttributes)
+ stateSinkObject.Save(1, &d.msrc)
+ stateSinkObject.Save(2, &d.master)
+ stateSinkObject.Save(3, &d.replicas)
+ stateSinkObject.Save(4, &d.dentryMap)
+ stateSinkObject.Save(5, &d.next)
+}
+
+func (d *dirInodeOperations) afterLoad() {}
+
+// +checklocksignore
+func (d *dirInodeOperations) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &d.InodeSimpleAttributes)
+ stateSourceObject.Load(1, &d.msrc)
+ stateSourceObject.Load(2, &d.master)
+ stateSourceObject.Load(3, &d.replicas)
+ stateSourceObject.Load(4, &d.dentryMap)
+ stateSourceObject.Load(5, &d.next)
+}
+
+func (df *dirFileOperations) StateTypeName() string {
+ return "pkg/sentry/fs/tty.dirFileOperations"
+}
+
+func (df *dirFileOperations) StateFields() []string {
+ return []string{
+ "di",
+ "dirCursor",
+ }
+}
+
+func (df *dirFileOperations) beforeSave() {}
+
+// +checklocksignore
+func (df *dirFileOperations) StateSave(stateSinkObject state.Sink) {
+ df.beforeSave()
+ stateSinkObject.Save(0, &df.di)
+ stateSinkObject.Save(1, &df.dirCursor)
+}
+
+func (df *dirFileOperations) afterLoad() {}
+
+// +checklocksignore
+func (df *dirFileOperations) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &df.di)
+ stateSourceObject.Load(1, &df.dirCursor)
+}
+
+func (f *filesystem) StateTypeName() string {
+ return "pkg/sentry/fs/tty.filesystem"
+}
+
+func (f *filesystem) StateFields() []string {
+ return []string{}
+}
+
+func (f *filesystem) beforeSave() {}
+
+// +checklocksignore
+func (f *filesystem) StateSave(stateSinkObject state.Sink) {
+ f.beforeSave()
+}
+
+func (f *filesystem) afterLoad() {}
+
+// +checklocksignore
+func (f *filesystem) StateLoad(stateSourceObject state.Source) {
+}
+
+func (s *superOperations) StateTypeName() string {
+ return "pkg/sentry/fs/tty.superOperations"
+}
+
+func (s *superOperations) StateFields() []string {
+ return []string{}
+}
+
+func (s *superOperations) beforeSave() {}
+
+// +checklocksignore
+func (s *superOperations) StateSave(stateSinkObject state.Sink) {
+ s.beforeSave()
+}
+
+func (s *superOperations) afterLoad() {}
+
+// +checklocksignore
+func (s *superOperations) StateLoad(stateSourceObject state.Source) {
+}
+
+func (l *lineDiscipline) StateTypeName() string {
+ return "pkg/sentry/fs/tty.lineDiscipline"
+}
+
+func (l *lineDiscipline) StateFields() []string {
+ return []string{
+ "size",
+ "inQueue",
+ "outQueue",
+ "termios",
+ "column",
+ "masterWaiter",
+ "replicaWaiter",
+ }
+}
+
+func (l *lineDiscipline) beforeSave() {}
+
+// +checklocksignore
+func (l *lineDiscipline) StateSave(stateSinkObject state.Sink) {
+ l.beforeSave()
+ stateSinkObject.Save(0, &l.size)
+ stateSinkObject.Save(1, &l.inQueue)
+ stateSinkObject.Save(2, &l.outQueue)
+ stateSinkObject.Save(3, &l.termios)
+ stateSinkObject.Save(4, &l.column)
+ stateSinkObject.Save(5, &l.masterWaiter)
+ stateSinkObject.Save(6, &l.replicaWaiter)
+}
+
+func (l *lineDiscipline) afterLoad() {}
+
+// +checklocksignore
+func (l *lineDiscipline) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &l.size)
+ stateSourceObject.Load(1, &l.inQueue)
+ stateSourceObject.Load(2, &l.outQueue)
+ stateSourceObject.Load(3, &l.termios)
+ stateSourceObject.Load(4, &l.column)
+ stateSourceObject.Load(5, &l.masterWaiter)
+ stateSourceObject.Load(6, &l.replicaWaiter)
+}
+
+func (o *outputQueueTransformer) StateTypeName() string {
+ return "pkg/sentry/fs/tty.outputQueueTransformer"
+}
+
+func (o *outputQueueTransformer) StateFields() []string {
+ return []string{}
+}
+
+func (o *outputQueueTransformer) beforeSave() {}
+
+// +checklocksignore
+func (o *outputQueueTransformer) StateSave(stateSinkObject state.Sink) {
+ o.beforeSave()
+}
+
+func (o *outputQueueTransformer) afterLoad() {}
+
+// +checklocksignore
+func (o *outputQueueTransformer) StateLoad(stateSourceObject state.Source) {
+}
+
+func (i *inputQueueTransformer) StateTypeName() string {
+ return "pkg/sentry/fs/tty.inputQueueTransformer"
+}
+
+func (i *inputQueueTransformer) StateFields() []string {
+ return []string{}
+}
+
+func (i *inputQueueTransformer) beforeSave() {}
+
+// +checklocksignore
+func (i *inputQueueTransformer) StateSave(stateSinkObject state.Sink) {
+ i.beforeSave()
+}
+
+func (i *inputQueueTransformer) afterLoad() {}
+
+// +checklocksignore
+func (i *inputQueueTransformer) StateLoad(stateSourceObject state.Source) {
+}
+
+func (mi *masterInodeOperations) StateTypeName() string {
+ return "pkg/sentry/fs/tty.masterInodeOperations"
+}
+
+func (mi *masterInodeOperations) StateFields() []string {
+ return []string{
+ "SimpleFileInode",
+ "d",
+ }
+}
+
+func (mi *masterInodeOperations) beforeSave() {}
+
+// +checklocksignore
+func (mi *masterInodeOperations) StateSave(stateSinkObject state.Sink) {
+ mi.beforeSave()
+ stateSinkObject.Save(0, &mi.SimpleFileInode)
+ stateSinkObject.Save(1, &mi.d)
+}
+
+func (mi *masterInodeOperations) afterLoad() {}
+
+// +checklocksignore
+func (mi *masterInodeOperations) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &mi.SimpleFileInode)
+ stateSourceObject.Load(1, &mi.d)
+}
+
+func (mf *masterFileOperations) StateTypeName() string {
+ return "pkg/sentry/fs/tty.masterFileOperations"
+}
+
+func (mf *masterFileOperations) StateFields() []string {
+ return []string{
+ "d",
+ "t",
+ }
+}
+
+func (mf *masterFileOperations) beforeSave() {}
+
+// +checklocksignore
+func (mf *masterFileOperations) StateSave(stateSinkObject state.Sink) {
+ mf.beforeSave()
+ stateSinkObject.Save(0, &mf.d)
+ stateSinkObject.Save(1, &mf.t)
+}
+
+func (mf *masterFileOperations) afterLoad() {}
+
+// +checklocksignore
+func (mf *masterFileOperations) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &mf.d)
+ stateSourceObject.Load(1, &mf.t)
+}
+
+func (q *queue) StateTypeName() string {
+ return "pkg/sentry/fs/tty.queue"
+}
+
+func (q *queue) StateFields() []string {
+ return []string{
+ "readBuf",
+ "waitBuf",
+ "waitBufLen",
+ "readable",
+ "transformer",
+ }
+}
+
+func (q *queue) beforeSave() {}
+
+// +checklocksignore
+func (q *queue) StateSave(stateSinkObject state.Sink) {
+ q.beforeSave()
+ stateSinkObject.Save(0, &q.readBuf)
+ stateSinkObject.Save(1, &q.waitBuf)
+ stateSinkObject.Save(2, &q.waitBufLen)
+ stateSinkObject.Save(3, &q.readable)
+ stateSinkObject.Save(4, &q.transformer)
+}
+
+func (q *queue) afterLoad() {}
+
+// +checklocksignore
+func (q *queue) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &q.readBuf)
+ stateSourceObject.Load(1, &q.waitBuf)
+ stateSourceObject.Load(2, &q.waitBufLen)
+ stateSourceObject.Load(3, &q.readable)
+ stateSourceObject.Load(4, &q.transformer)
+}
+
+func (si *replicaInodeOperations) StateTypeName() string {
+ return "pkg/sentry/fs/tty.replicaInodeOperations"
+}
+
+func (si *replicaInodeOperations) StateFields() []string {
+ return []string{
+ "SimpleFileInode",
+ "d",
+ "t",
+ }
+}
+
+func (si *replicaInodeOperations) beforeSave() {}
+
+// +checklocksignore
+func (si *replicaInodeOperations) StateSave(stateSinkObject state.Sink) {
+ si.beforeSave()
+ stateSinkObject.Save(0, &si.SimpleFileInode)
+ stateSinkObject.Save(1, &si.d)
+ stateSinkObject.Save(2, &si.t)
+}
+
+func (si *replicaInodeOperations) afterLoad() {}
+
+// +checklocksignore
+func (si *replicaInodeOperations) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &si.SimpleFileInode)
+ stateSourceObject.Load(1, &si.d)
+ stateSourceObject.Load(2, &si.t)
+}
+
+func (sf *replicaFileOperations) StateTypeName() string {
+ return "pkg/sentry/fs/tty.replicaFileOperations"
+}
+
+func (sf *replicaFileOperations) StateFields() []string {
+ return []string{
+ "si",
+ }
+}
+
+func (sf *replicaFileOperations) beforeSave() {}
+
+// +checklocksignore
+func (sf *replicaFileOperations) StateSave(stateSinkObject state.Sink) {
+ sf.beforeSave()
+ stateSinkObject.Save(0, &sf.si)
+}
+
+func (sf *replicaFileOperations) afterLoad() {}
+
+// +checklocksignore
+func (sf *replicaFileOperations) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &sf.si)
+}
+
+func (tm *Terminal) StateTypeName() string {
+ return "pkg/sentry/fs/tty.Terminal"
+}
+
+func (tm *Terminal) StateFields() []string {
+ return []string{
+ "AtomicRefCount",
+ "n",
+ "d",
+ "ld",
+ "masterKTTY",
+ "replicaKTTY",
+ }
+}
+
+func (tm *Terminal) beforeSave() {}
+
+// +checklocksignore
+func (tm *Terminal) StateSave(stateSinkObject state.Sink) {
+ tm.beforeSave()
+ stateSinkObject.Save(0, &tm.AtomicRefCount)
+ stateSinkObject.Save(1, &tm.n)
+ stateSinkObject.Save(2, &tm.d)
+ stateSinkObject.Save(3, &tm.ld)
+ stateSinkObject.Save(4, &tm.masterKTTY)
+ stateSinkObject.Save(5, &tm.replicaKTTY)
+}
+
+func (tm *Terminal) afterLoad() {}
+
+// +checklocksignore
+func (tm *Terminal) StateLoad(stateSourceObject state.Source) {
+ stateSourceObject.Load(0, &tm.AtomicRefCount)
+ stateSourceObject.Load(1, &tm.n)
+ stateSourceObject.Load(2, &tm.d)
+ stateSourceObject.Load(3, &tm.ld)
+ stateSourceObject.Load(4, &tm.masterKTTY)
+ stateSourceObject.Load(5, &tm.replicaKTTY)
+}
+
+func init() {
+ state.Register((*dirInodeOperations)(nil))
+ state.Register((*dirFileOperations)(nil))
+ state.Register((*filesystem)(nil))
+ state.Register((*superOperations)(nil))
+ state.Register((*lineDiscipline)(nil))
+ state.Register((*outputQueueTransformer)(nil))
+ state.Register((*inputQueueTransformer)(nil))
+ state.Register((*masterInodeOperations)(nil))
+ state.Register((*masterFileOperations)(nil))
+ state.Register((*queue)(nil))
+ state.Register((*replicaInodeOperations)(nil))
+ state.Register((*replicaFileOperations)(nil))
+ state.Register((*Terminal)(nil))
+}
diff --git a/pkg/sentry/fs/tty/tty_test.go b/pkg/sentry/fs/tty/tty_test.go
deleted file mode 100644
index 49edee83d..000000000
--- a/pkg/sentry/fs/tty/tty_test.go
+++ /dev/null
@@ -1,56 +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 tty
-
-import (
- "testing"
-
- "gvisor.dev/gvisor/pkg/abi/linux"
- "gvisor.dev/gvisor/pkg/sentry/contexttest"
- "gvisor.dev/gvisor/pkg/usermem"
-)
-
-func TestSimpleMasterToReplica(t *testing.T) {
- ld := newLineDiscipline(linux.DefaultReplicaTermios)
- ctx := contexttest.Context(t)
- inBytes := []byte("hello, tty\n")
- src := usermem.BytesIOSequence(inBytes)
- outBytes := make([]byte, 32)
- dst := usermem.BytesIOSequence(outBytes)
-
- // Write to the input queue.
- nw, err := ld.inputQueueWrite(ctx, src)
- if err != nil {
- t.Fatalf("error writing to input queue: %v", err)
- }
- if nw != int64(len(inBytes)) {
- t.Fatalf("wrote wrong length: got %d, want %d", nw, len(inBytes))
- }
-
- // Read from the input queue.
- nr, err := ld.inputQueueRead(ctx, dst)
- if err != nil {
- t.Fatalf("error reading from input queue: %v", err)
- }
- if nr != int64(len(inBytes)) {
- t.Fatalf("read wrong length: got %d, want %d", nr, len(inBytes))
- }
-
- outStr := string(outBytes[:nr])
- inStr := string(inBytes)
- if outStr != inStr {
- t.Fatalf("written and read strings do not match: got %q, want %q", outStr, inStr)
- }
-}