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-rw-r--r--pkg/sentry/socket/unix/BUILD54
-rw-r--r--pkg/sentry/socket/unix/socket_refs.go118
-rw-r--r--pkg/sentry/socket/unix/transport/BUILD53
-rw-r--r--pkg/sentry/socket/unix/transport/queue_refs.go118
-rw-r--r--pkg/sentry/socket/unix/transport/transport_message_list.go193
-rw-r--r--pkg/sentry/socket/unix/transport/transport_state_autogen.go377
-rw-r--r--pkg/sentry/socket/unix/unix_state_autogen.go97
7 files changed, 903 insertions, 107 deletions
diff --git a/pkg/sentry/socket/unix/BUILD b/pkg/sentry/socket/unix/BUILD
deleted file mode 100644
index a89583dad..000000000
--- a/pkg/sentry/socket/unix/BUILD
+++ /dev/null
@@ -1,54 +0,0 @@
-load("//tools:defs.bzl", "go_library")
-load("//tools/go_generics:defs.bzl", "go_template_instance")
-
-package(licenses = ["notice"])
-
-go_template_instance(
- name = "socket_refs",
- out = "socket_refs.go",
- package = "unix",
- prefix = "socketOpsCommon",
- template = "//pkg/refs_vfs2:refs_template",
- types = {
- "T": "socketOpsCommon",
- },
-)
-
-go_library(
- name = "unix",
- srcs = [
- "device.go",
- "io.go",
- "socket_refs.go",
- "unix.go",
- "unix_vfs2.go",
- ],
- visibility = ["//pkg/sentry:internal"],
- deps = [
- "//pkg/abi/linux",
- "//pkg/context",
- "//pkg/fspath",
- "//pkg/log",
- "//pkg/marshal",
- "//pkg/refs",
- "//pkg/safemem",
- "//pkg/sentry/arch",
- "//pkg/sentry/device",
- "//pkg/sentry/fs",
- "//pkg/sentry/fs/fsutil",
- "//pkg/sentry/fs/lock",
- "//pkg/sentry/fsimpl/sockfs",
- "//pkg/sentry/kernel",
- "//pkg/sentry/kernel/time",
- "//pkg/sentry/socket",
- "//pkg/sentry/socket/control",
- "//pkg/sentry/socket/netstack",
- "//pkg/sentry/socket/unix/transport",
- "//pkg/sentry/vfs",
- "//pkg/syserr",
- "//pkg/syserror",
- "//pkg/tcpip",
- "//pkg/usermem",
- "//pkg/waiter",
- ],
-)
diff --git a/pkg/sentry/socket/unix/socket_refs.go b/pkg/sentry/socket/unix/socket_refs.go
new file mode 100644
index 000000000..a0e5d1393
--- /dev/null
+++ b/pkg/sentry/socket/unix/socket_refs.go
@@ -0,0 +1,118 @@
+package unix
+
+import (
+ "sync/atomic"
+
+ "fmt"
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
+ "runtime"
+)
+
+// ownerType is used to customize logging. Note that we use a pointer to T so
+// that we do not copy the entire object when passed as a format parameter.
+var socketOpsCommonownerType *socketOpsCommon
+
+// Refs implements refs.RefCounter. It keeps a reference count using atomic
+// operations and calls the destructor when the count reaches zero.
+//
+// Note that the number of references is actually refCount + 1 so that a default
+// zero-value Refs object contains one reference.
+//
+// TODO(gvisor.dev/issue/1486): Store stack traces when leak check is enabled in
+// a map with 16-bit hashes, and store the hash in the top 16 bits of refCount.
+// This will allow us to add stack trace information to the leak messages
+// without growing the size of Refs.
+//
+// +stateify savable
+type socketOpsCommonRefs struct {
+ // refCount is composed of two fields:
+ //
+ // [32-bit speculative references]:[32-bit real references]
+ //
+ // Speculative references are used for TryIncRef, to avoid a CompareAndSwap
+ // loop. See IncRef, DecRef and TryIncRef for details of how these fields are
+ // used.
+ refCount int64
+}
+
+func (r *socketOpsCommonRefs) finalize() {
+ var note string
+ switch refs_vfs1.GetLeakMode() {
+ case refs_vfs1.NoLeakChecking:
+ return
+ case refs_vfs1.UninitializedLeakChecking:
+ note = "(Leak checker uninitialized): "
+ }
+ if n := r.ReadRefs(); n != 0 {
+ log.Warningf("%sRefs %p owned by %T garbage collected with ref count of %d (want 0)", note, r, socketOpsCommonownerType, n)
+ }
+}
+
+// EnableLeakCheck checks for reference leaks when Refs gets garbage collected.
+func (r *socketOpsCommonRefs) EnableLeakCheck() {
+ if refs_vfs1.GetLeakMode() != refs_vfs1.NoLeakChecking {
+ runtime.SetFinalizer(r, (*socketOpsCommonRefs).finalize)
+ }
+}
+
+// ReadRefs returns the current number of references. The returned count is
+// inherently racy and is unsafe to use without external synchronization.
+func (r *socketOpsCommonRefs) ReadRefs() int64 {
+
+ return atomic.LoadInt64(&r.refCount) + 1
+}
+
+// IncRef implements refs.RefCounter.IncRef.
+//
+//go:nosplit
+func (r *socketOpsCommonRefs) IncRef() {
+ if v := atomic.AddInt64(&r.refCount, 1); v <= 0 {
+ panic(fmt.Sprintf("Incrementing non-positive ref count %p owned by %T", r, socketOpsCommonownerType))
+ }
+}
+
+// TryIncRef implements refs.RefCounter.TryIncRef.
+//
+// To do this safely without a loop, a speculative reference is first acquired
+// on the object. This allows multiple concurrent TryIncRef calls to distinguish
+// other TryIncRef calls from genuine references held.
+//
+//go:nosplit
+func (r *socketOpsCommonRefs) TryIncRef() bool {
+ const speculativeRef = 1 << 32
+ v := atomic.AddInt64(&r.refCount, speculativeRef)
+ if int32(v) < 0 {
+
+ atomic.AddInt64(&r.refCount, -speculativeRef)
+ return false
+ }
+
+ atomic.AddInt64(&r.refCount, -speculativeRef+1)
+ return true
+}
+
+// DecRef implements refs.RefCounter.DecRef.
+//
+// Note that speculative references are counted here. Since they were added
+// prior to real references reaching zero, they will successfully convert to
+// real references. In other words, we see speculative references only in the
+// following case:
+//
+// A: TryIncRef [speculative increase => sees non-negative references]
+// B: DecRef [real decrease]
+// A: TryIncRef [transform speculative to real]
+//
+//go:nosplit
+func (r *socketOpsCommonRefs) DecRef(destroy func()) {
+ switch v := atomic.AddInt64(&r.refCount, -1); {
+ case v < -1:
+ panic(fmt.Sprintf("Decrementing non-positive ref count %p, owned by %T", r, socketOpsCommonownerType))
+
+ case v == -1:
+
+ if destroy != nil {
+ destroy()
+ }
+ }
+}
diff --git a/pkg/sentry/socket/unix/transport/BUILD b/pkg/sentry/socket/unix/transport/BUILD
deleted file mode 100644
index 26c3a51b9..000000000
--- a/pkg/sentry/socket/unix/transport/BUILD
+++ /dev/null
@@ -1,53 +0,0 @@
-load("//tools:defs.bzl", "go_library")
-load("//tools/go_generics:defs.bzl", "go_template_instance")
-
-package(licenses = ["notice"])
-
-go_template_instance(
- name = "transport_message_list",
- out = "transport_message_list.go",
- package = "transport",
- prefix = "message",
- template = "//pkg/ilist:generic_list",
- types = {
- "Element": "*message",
- "Linker": "*message",
- },
-)
-
-go_template_instance(
- name = "queue_refs",
- out = "queue_refs.go",
- package = "transport",
- prefix = "queue",
- template = "//pkg/refs_vfs2:refs_template",
- types = {
- "T": "queue",
- },
-)
-
-go_library(
- name = "transport",
- srcs = [
- "connectioned.go",
- "connectioned_state.go",
- "connectionless.go",
- "queue.go",
- "queue_refs.go",
- "transport_message_list.go",
- "unix.go",
- ],
- visibility = ["//:sandbox"],
- deps = [
- "//pkg/abi/linux",
- "//pkg/context",
- "//pkg/ilist",
- "//pkg/log",
- "//pkg/refs",
- "//pkg/sync",
- "//pkg/syserr",
- "//pkg/tcpip",
- "//pkg/tcpip/buffer",
- "//pkg/waiter",
- ],
-)
diff --git a/pkg/sentry/socket/unix/transport/queue_refs.go b/pkg/sentry/socket/unix/transport/queue_refs.go
new file mode 100644
index 000000000..21d43fc24
--- /dev/null
+++ b/pkg/sentry/socket/unix/transport/queue_refs.go
@@ -0,0 +1,118 @@
+package transport
+
+import (
+ "sync/atomic"
+
+ "fmt"
+ "gvisor.dev/gvisor/pkg/log"
+ refs_vfs1 "gvisor.dev/gvisor/pkg/refs"
+ "runtime"
+)
+
+// ownerType is used to customize logging. Note that we use a pointer to T so
+// that we do not copy the entire object when passed as a format parameter.
+var queueownerType *queue
+
+// Refs implements refs.RefCounter. It keeps a reference count using atomic
+// operations and calls the destructor when the count reaches zero.
+//
+// Note that the number of references is actually refCount + 1 so that a default
+// zero-value Refs object contains one reference.
+//
+// TODO(gvisor.dev/issue/1486): Store stack traces when leak check is enabled in
+// a map with 16-bit hashes, and store the hash in the top 16 bits of refCount.
+// This will allow us to add stack trace information to the leak messages
+// without growing the size of Refs.
+//
+// +stateify savable
+type queueRefs struct {
+ // refCount is composed of two fields:
+ //
+ // [32-bit speculative references]:[32-bit real references]
+ //
+ // Speculative references are used for TryIncRef, to avoid a CompareAndSwap
+ // loop. See IncRef, DecRef and TryIncRef for details of how these fields are
+ // used.
+ refCount int64
+}
+
+func (r *queueRefs) finalize() {
+ var note string
+ switch refs_vfs1.GetLeakMode() {
+ case refs_vfs1.NoLeakChecking:
+ return
+ case refs_vfs1.UninitializedLeakChecking:
+ note = "(Leak checker uninitialized): "
+ }
+ if n := r.ReadRefs(); n != 0 {
+ log.Warningf("%sRefs %p owned by %T garbage collected with ref count of %d (want 0)", note, r, queueownerType, n)
+ }
+}
+
+// EnableLeakCheck checks for reference leaks when Refs gets garbage collected.
+func (r *queueRefs) EnableLeakCheck() {
+ if refs_vfs1.GetLeakMode() != refs_vfs1.NoLeakChecking {
+ runtime.SetFinalizer(r, (*queueRefs).finalize)
+ }
+}
+
+// ReadRefs returns the current number of references. The returned count is
+// inherently racy and is unsafe to use without external synchronization.
+func (r *queueRefs) ReadRefs() int64 {
+
+ return atomic.LoadInt64(&r.refCount) + 1
+}
+
+// IncRef implements refs.RefCounter.IncRef.
+//
+//go:nosplit
+func (r *queueRefs) IncRef() {
+ if v := atomic.AddInt64(&r.refCount, 1); v <= 0 {
+ panic(fmt.Sprintf("Incrementing non-positive ref count %p owned by %T", r, queueownerType))
+ }
+}
+
+// TryIncRef implements refs.RefCounter.TryIncRef.
+//
+// To do this safely without a loop, a speculative reference is first acquired
+// on the object. This allows multiple concurrent TryIncRef calls to distinguish
+// other TryIncRef calls from genuine references held.
+//
+//go:nosplit
+func (r *queueRefs) TryIncRef() bool {
+ const speculativeRef = 1 << 32
+ v := atomic.AddInt64(&r.refCount, speculativeRef)
+ if int32(v) < 0 {
+
+ atomic.AddInt64(&r.refCount, -speculativeRef)
+ return false
+ }
+
+ atomic.AddInt64(&r.refCount, -speculativeRef+1)
+ return true
+}
+
+// DecRef implements refs.RefCounter.DecRef.
+//
+// Note that speculative references are counted here. Since they were added
+// prior to real references reaching zero, they will successfully convert to
+// real references. In other words, we see speculative references only in the
+// following case:
+//
+// A: TryIncRef [speculative increase => sees non-negative references]
+// B: DecRef [real decrease]
+// A: TryIncRef [transform speculative to real]
+//
+//go:nosplit
+func (r *queueRefs) DecRef(destroy func()) {
+ switch v := atomic.AddInt64(&r.refCount, -1); {
+ case v < -1:
+ panic(fmt.Sprintf("Decrementing non-positive ref count %p, owned by %T", r, queueownerType))
+
+ case v == -1:
+
+ if destroy != nil {
+ destroy()
+ }
+ }
+}
diff --git a/pkg/sentry/socket/unix/transport/transport_message_list.go b/pkg/sentry/socket/unix/transport/transport_message_list.go
new file mode 100644
index 000000000..dda579c27
--- /dev/null
+++ b/pkg/sentry/socket/unix/transport/transport_message_list.go
@@ -0,0 +1,193 @@
+package transport
+
+// ElementMapper provides an identity mapping by default.
+//
+// This can be replaced to provide a struct that maps elements to linker
+// objects, if they are not the same. An ElementMapper is not typically
+// required if: Linker is left as is, Element is left as is, or Linker and
+// Element are the same type.
+type messageElementMapper struct{}
+
+// linkerFor maps an Element to a Linker.
+//
+// This default implementation should be inlined.
+//
+//go:nosplit
+func (messageElementMapper) linkerFor(elem *message) *message { return elem }
+
+// List is an intrusive list. Entries can be added to or removed from the list
+// in O(1) time and with no additional memory allocations.
+//
+// The zero value for List is an empty list ready to use.
+//
+// To iterate over a list (where l is a List):
+// for e := l.Front(); e != nil; e = e.Next() {
+// // do something with e.
+// }
+//
+// +stateify savable
+type messageList struct {
+ head *message
+ tail *message
+}
+
+// Reset resets list l to the empty state.
+func (l *messageList) Reset() {
+ l.head = nil
+ l.tail = nil
+}
+
+// Empty returns true iff the list is empty.
+func (l *messageList) Empty() bool {
+ return l.head == nil
+}
+
+// Front returns the first element of list l or nil.
+func (l *messageList) Front() *message {
+ return l.head
+}
+
+// Back returns the last element of list l or nil.
+func (l *messageList) Back() *message {
+ return l.tail
+}
+
+// Len returns the number of elements in the list.
+//
+// NOTE: This is an O(n) operation.
+func (l *messageList) Len() (count int) {
+ for e := l.Front(); e != nil; e = (messageElementMapper{}.linkerFor(e)).Next() {
+ count++
+ }
+ return count
+}
+
+// PushFront inserts the element e at the front of list l.
+func (l *messageList) PushFront(e *message) {
+ linker := messageElementMapper{}.linkerFor(e)
+ linker.SetNext(l.head)
+ linker.SetPrev(nil)
+ if l.head != nil {
+ messageElementMapper{}.linkerFor(l.head).SetPrev(e)
+ } else {
+ l.tail = e
+ }
+
+ l.head = e
+}
+
+// PushBack inserts the element e at the back of list l.
+func (l *messageList) PushBack(e *message) {
+ linker := messageElementMapper{}.linkerFor(e)
+ linker.SetNext(nil)
+ linker.SetPrev(l.tail)
+ if l.tail != nil {
+ messageElementMapper{}.linkerFor(l.tail).SetNext(e)
+ } else {
+ l.head = e
+ }
+
+ l.tail = e
+}
+
+// PushBackList inserts list m at the end of list l, emptying m.
+func (l *messageList) PushBackList(m *messageList) {
+ if l.head == nil {
+ l.head = m.head
+ l.tail = m.tail
+ } else if m.head != nil {
+ messageElementMapper{}.linkerFor(l.tail).SetNext(m.head)
+ messageElementMapper{}.linkerFor(m.head).SetPrev(l.tail)
+
+ l.tail = m.tail
+ }
+ m.head = nil
+ m.tail = nil
+}
+
+// InsertAfter inserts e after b.
+func (l *messageList) InsertAfter(b, e *message) {
+ bLinker := messageElementMapper{}.linkerFor(b)
+ eLinker := messageElementMapper{}.linkerFor(e)
+
+ a := bLinker.Next()
+
+ eLinker.SetNext(a)
+ eLinker.SetPrev(b)
+ bLinker.SetNext(e)
+
+ if a != nil {
+ messageElementMapper{}.linkerFor(a).SetPrev(e)
+ } else {
+ l.tail = e
+ }
+}
+
+// InsertBefore inserts e before a.
+func (l *messageList) InsertBefore(a, e *message) {
+ aLinker := messageElementMapper{}.linkerFor(a)
+ eLinker := messageElementMapper{}.linkerFor(e)
+
+ b := aLinker.Prev()
+ eLinker.SetNext(a)
+ eLinker.SetPrev(b)
+ aLinker.SetPrev(e)
+
+ if b != nil {
+ messageElementMapper{}.linkerFor(b).SetNext(e)
+ } else {
+ l.head = e
+ }
+}
+
+// Remove removes e from l.
+func (l *messageList) Remove(e *message) {
+ linker := messageElementMapper{}.linkerFor(e)
+ prev := linker.Prev()
+ next := linker.Next()
+
+ if prev != nil {
+ messageElementMapper{}.linkerFor(prev).SetNext(next)
+ } else if l.head == e {
+ l.head = next
+ }
+
+ if next != nil {
+ messageElementMapper{}.linkerFor(next).SetPrev(prev)
+ } else if l.tail == e {
+ l.tail = prev
+ }
+
+ linker.SetNext(nil)
+ linker.SetPrev(nil)
+}
+
+// Entry is a default implementation of Linker. Users can add anonymous fields
+// of this type to their structs to make them automatically implement the
+// methods needed by List.
+//
+// +stateify savable
+type messageEntry struct {
+ next *message
+ prev *message
+}
+
+// Next returns the entry that follows e in the list.
+func (e *messageEntry) Next() *message {
+ return e.next
+}
+
+// Prev returns the entry that precedes e in the list.
+func (e *messageEntry) Prev() *message {
+ return e.prev
+}
+
+// SetNext assigns 'entry' as the entry that follows e in the list.
+func (e *messageEntry) SetNext(elem *message) {
+ e.next = elem
+}
+
+// SetPrev assigns 'entry' as the entry that precedes e in the list.
+func (e *messageEntry) SetPrev(elem *message) {
+ e.prev = elem
+}
diff --git a/pkg/sentry/socket/unix/transport/transport_state_autogen.go b/pkg/sentry/socket/unix/transport/transport_state_autogen.go
new file mode 100644
index 000000000..98f5bc2e5
--- /dev/null
+++ b/pkg/sentry/socket/unix/transport/transport_state_autogen.go
@@ -0,0 +1,377 @@
+// automatically generated by stateify.
+
+package transport
+
+import (
+ "gvisor.dev/gvisor/pkg/state"
+)
+
+func (x *connectionedEndpoint) StateTypeName() string {
+ return "pkg/sentry/socket/unix/transport.connectionedEndpoint"
+}
+
+func (x *connectionedEndpoint) StateFields() []string {
+ return []string{
+ "baseEndpoint",
+ "id",
+ "idGenerator",
+ "stype",
+ "acceptedChan",
+ }
+}
+
+func (x *connectionedEndpoint) beforeSave() {}
+
+func (x *connectionedEndpoint) StateSave(m state.Sink) {
+ x.beforeSave()
+ var acceptedChan []*connectionedEndpoint = x.saveAcceptedChan()
+ m.SaveValue(4, acceptedChan)
+ m.Save(0, &x.baseEndpoint)
+ m.Save(1, &x.id)
+ m.Save(2, &x.idGenerator)
+ m.Save(3, &x.stype)
+}
+
+func (x *connectionedEndpoint) afterLoad() {}
+
+func (x *connectionedEndpoint) StateLoad(m state.Source) {
+ m.Load(0, &x.baseEndpoint)
+ m.Load(1, &x.id)
+ m.Load(2, &x.idGenerator)
+ m.Load(3, &x.stype)
+ m.LoadValue(4, new([]*connectionedEndpoint), func(y interface{}) { x.loadAcceptedChan(y.([]*connectionedEndpoint)) })
+}
+
+func (x *connectionlessEndpoint) StateTypeName() string {
+ return "pkg/sentry/socket/unix/transport.connectionlessEndpoint"
+}
+
+func (x *connectionlessEndpoint) StateFields() []string {
+ return []string{
+ "baseEndpoint",
+ }
+}
+
+func (x *connectionlessEndpoint) beforeSave() {}
+
+func (x *connectionlessEndpoint) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.baseEndpoint)
+}
+
+func (x *connectionlessEndpoint) afterLoad() {}
+
+func (x *connectionlessEndpoint) StateLoad(m state.Source) {
+ m.Load(0, &x.baseEndpoint)
+}
+
+func (x *queue) StateTypeName() string {
+ return "pkg/sentry/socket/unix/transport.queue"
+}
+
+func (x *queue) StateFields() []string {
+ return []string{
+ "queueRefs",
+ "ReaderQueue",
+ "WriterQueue",
+ "closed",
+ "unread",
+ "used",
+ "limit",
+ "dataList",
+ }
+}
+
+func (x *queue) beforeSave() {}
+
+func (x *queue) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.queueRefs)
+ m.Save(1, &x.ReaderQueue)
+ m.Save(2, &x.WriterQueue)
+ m.Save(3, &x.closed)
+ m.Save(4, &x.unread)
+ m.Save(5, &x.used)
+ m.Save(6, &x.limit)
+ m.Save(7, &x.dataList)
+}
+
+func (x *queue) afterLoad() {}
+
+func (x *queue) StateLoad(m state.Source) {
+ m.Load(0, &x.queueRefs)
+ m.Load(1, &x.ReaderQueue)
+ m.Load(2, &x.WriterQueue)
+ m.Load(3, &x.closed)
+ m.Load(4, &x.unread)
+ m.Load(5, &x.used)
+ m.Load(6, &x.limit)
+ m.Load(7, &x.dataList)
+}
+
+func (x *queueRefs) StateTypeName() string {
+ return "pkg/sentry/socket/unix/transport.queueRefs"
+}
+
+func (x *queueRefs) StateFields() []string {
+ return []string{
+ "refCount",
+ }
+}
+
+func (x *queueRefs) beforeSave() {}
+
+func (x *queueRefs) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.refCount)
+}
+
+func (x *queueRefs) afterLoad() {}
+
+func (x *queueRefs) StateLoad(m state.Source) {
+ m.Load(0, &x.refCount)
+}
+
+func (x *messageList) StateTypeName() string {
+ return "pkg/sentry/socket/unix/transport.messageList"
+}
+
+func (x *messageList) StateFields() []string {
+ return []string{
+ "head",
+ "tail",
+ }
+}
+
+func (x *messageList) beforeSave() {}
+
+func (x *messageList) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.head)
+ m.Save(1, &x.tail)
+}
+
+func (x *messageList) afterLoad() {}
+
+func (x *messageList) StateLoad(m state.Source) {
+ m.Load(0, &x.head)
+ m.Load(1, &x.tail)
+}
+
+func (x *messageEntry) StateTypeName() string {
+ return "pkg/sentry/socket/unix/transport.messageEntry"
+}
+
+func (x *messageEntry) StateFields() []string {
+ return []string{
+ "next",
+ "prev",
+ }
+}
+
+func (x *messageEntry) beforeSave() {}
+
+func (x *messageEntry) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.next)
+ m.Save(1, &x.prev)
+}
+
+func (x *messageEntry) afterLoad() {}
+
+func (x *messageEntry) StateLoad(m state.Source) {
+ m.Load(0, &x.next)
+ m.Load(1, &x.prev)
+}
+
+func (x *ControlMessages) StateTypeName() string {
+ return "pkg/sentry/socket/unix/transport.ControlMessages"
+}
+
+func (x *ControlMessages) StateFields() []string {
+ return []string{
+ "Rights",
+ "Credentials",
+ }
+}
+
+func (x *ControlMessages) beforeSave() {}
+
+func (x *ControlMessages) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.Rights)
+ m.Save(1, &x.Credentials)
+}
+
+func (x *ControlMessages) afterLoad() {}
+
+func (x *ControlMessages) StateLoad(m state.Source) {
+ m.Load(0, &x.Rights)
+ m.Load(1, &x.Credentials)
+}
+
+func (x *message) StateTypeName() string {
+ return "pkg/sentry/socket/unix/transport.message"
+}
+
+func (x *message) StateFields() []string {
+ return []string{
+ "messageEntry",
+ "Data",
+ "Control",
+ "Address",
+ }
+}
+
+func (x *message) beforeSave() {}
+
+func (x *message) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.messageEntry)
+ m.Save(1, &x.Data)
+ m.Save(2, &x.Control)
+ m.Save(3, &x.Address)
+}
+
+func (x *message) afterLoad() {}
+
+func (x *message) StateLoad(m state.Source) {
+ m.Load(0, &x.messageEntry)
+ m.Load(1, &x.Data)
+ m.Load(2, &x.Control)
+ m.Load(3, &x.Address)
+}
+
+func (x *queueReceiver) StateTypeName() string {
+ return "pkg/sentry/socket/unix/transport.queueReceiver"
+}
+
+func (x *queueReceiver) StateFields() []string {
+ return []string{
+ "readQueue",
+ }
+}
+
+func (x *queueReceiver) beforeSave() {}
+
+func (x *queueReceiver) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.readQueue)
+}
+
+func (x *queueReceiver) afterLoad() {}
+
+func (x *queueReceiver) StateLoad(m state.Source) {
+ m.Load(0, &x.readQueue)
+}
+
+func (x *streamQueueReceiver) StateTypeName() string {
+ return "pkg/sentry/socket/unix/transport.streamQueueReceiver"
+}
+
+func (x *streamQueueReceiver) StateFields() []string {
+ return []string{
+ "queueReceiver",
+ "buffer",
+ "control",
+ "addr",
+ }
+}
+
+func (x *streamQueueReceiver) beforeSave() {}
+
+func (x *streamQueueReceiver) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.queueReceiver)
+ m.Save(1, &x.buffer)
+ m.Save(2, &x.control)
+ m.Save(3, &x.addr)
+}
+
+func (x *streamQueueReceiver) afterLoad() {}
+
+func (x *streamQueueReceiver) StateLoad(m state.Source) {
+ m.Load(0, &x.queueReceiver)
+ m.Load(1, &x.buffer)
+ m.Load(2, &x.control)
+ m.Load(3, &x.addr)
+}
+
+func (x *connectedEndpoint) StateTypeName() string {
+ return "pkg/sentry/socket/unix/transport.connectedEndpoint"
+}
+
+func (x *connectedEndpoint) StateFields() []string {
+ return []string{
+ "endpoint",
+ "writeQueue",
+ }
+}
+
+func (x *connectedEndpoint) beforeSave() {}
+
+func (x *connectedEndpoint) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.endpoint)
+ m.Save(1, &x.writeQueue)
+}
+
+func (x *connectedEndpoint) afterLoad() {}
+
+func (x *connectedEndpoint) StateLoad(m state.Source) {
+ m.Load(0, &x.endpoint)
+ m.Load(1, &x.writeQueue)
+}
+
+func (x *baseEndpoint) StateTypeName() string {
+ return "pkg/sentry/socket/unix/transport.baseEndpoint"
+}
+
+func (x *baseEndpoint) StateFields() []string {
+ return []string{
+ "Queue",
+ "passcred",
+ "receiver",
+ "connected",
+ "path",
+ "linger",
+ }
+}
+
+func (x *baseEndpoint) beforeSave() {}
+
+func (x *baseEndpoint) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.Queue)
+ m.Save(1, &x.passcred)
+ m.Save(2, &x.receiver)
+ m.Save(3, &x.connected)
+ m.Save(4, &x.path)
+ m.Save(5, &x.linger)
+}
+
+func (x *baseEndpoint) afterLoad() {}
+
+func (x *baseEndpoint) StateLoad(m state.Source) {
+ m.Load(0, &x.Queue)
+ m.Load(1, &x.passcred)
+ m.Load(2, &x.receiver)
+ m.Load(3, &x.connected)
+ m.Load(4, &x.path)
+ m.Load(5, &x.linger)
+}
+
+func init() {
+ state.Register((*connectionedEndpoint)(nil))
+ state.Register((*connectionlessEndpoint)(nil))
+ state.Register((*queue)(nil))
+ state.Register((*queueRefs)(nil))
+ state.Register((*messageList)(nil))
+ state.Register((*messageEntry)(nil))
+ state.Register((*ControlMessages)(nil))
+ state.Register((*message)(nil))
+ state.Register((*queueReceiver)(nil))
+ state.Register((*streamQueueReceiver)(nil))
+ state.Register((*connectedEndpoint)(nil))
+ state.Register((*baseEndpoint)(nil))
+}
diff --git a/pkg/sentry/socket/unix/unix_state_autogen.go b/pkg/sentry/socket/unix/unix_state_autogen.go
new file mode 100644
index 000000000..6966529c6
--- /dev/null
+++ b/pkg/sentry/socket/unix/unix_state_autogen.go
@@ -0,0 +1,97 @@
+// automatically generated by stateify.
+
+package unix
+
+import (
+ "gvisor.dev/gvisor/pkg/state"
+)
+
+func (x *socketOpsCommonRefs) StateTypeName() string {
+ return "pkg/sentry/socket/unix.socketOpsCommonRefs"
+}
+
+func (x *socketOpsCommonRefs) StateFields() []string {
+ return []string{
+ "refCount",
+ }
+}
+
+func (x *socketOpsCommonRefs) beforeSave() {}
+
+func (x *socketOpsCommonRefs) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.refCount)
+}
+
+func (x *socketOpsCommonRefs) afterLoad() {}
+
+func (x *socketOpsCommonRefs) StateLoad(m state.Source) {
+ m.Load(0, &x.refCount)
+}
+
+func (x *SocketOperations) StateTypeName() string {
+ return "pkg/sentry/socket/unix.SocketOperations"
+}
+
+func (x *SocketOperations) StateFields() []string {
+ return []string{
+ "socketOpsCommon",
+ }
+}
+
+func (x *SocketOperations) beforeSave() {}
+
+func (x *SocketOperations) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.socketOpsCommon)
+}
+
+func (x *SocketOperations) afterLoad() {}
+
+func (x *SocketOperations) StateLoad(m state.Source) {
+ m.Load(0, &x.socketOpsCommon)
+}
+
+func (x *socketOpsCommon) StateTypeName() string {
+ return "pkg/sentry/socket/unix.socketOpsCommon"
+}
+
+func (x *socketOpsCommon) StateFields() []string {
+ return []string{
+ "socketOpsCommonRefs",
+ "SendReceiveTimeout",
+ "ep",
+ "stype",
+ "abstractName",
+ "abstractNamespace",
+ }
+}
+
+func (x *socketOpsCommon) beforeSave() {}
+
+func (x *socketOpsCommon) StateSave(m state.Sink) {
+ x.beforeSave()
+ m.Save(0, &x.socketOpsCommonRefs)
+ m.Save(1, &x.SendReceiveTimeout)
+ m.Save(2, &x.ep)
+ m.Save(3, &x.stype)
+ m.Save(4, &x.abstractName)
+ m.Save(5, &x.abstractNamespace)
+}
+
+func (x *socketOpsCommon) afterLoad() {}
+
+func (x *socketOpsCommon) StateLoad(m state.Source) {
+ m.Load(0, &x.socketOpsCommonRefs)
+ m.Load(1, &x.SendReceiveTimeout)
+ m.Load(2, &x.ep)
+ m.Load(3, &x.stype)
+ m.Load(4, &x.abstractName)
+ m.Load(5, &x.abstractNamespace)
+}
+
+func init() {
+ state.Register((*socketOpsCommonRefs)(nil))
+ state.Register((*SocketOperations)(nil))
+ state.Register((*socketOpsCommon)(nil))
+}