Security fix - containerd to 1.7.27

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

vendor/github.com/containerd/errdefs/errors.go

@@ -21,9 +21,6 @@
 //
 // To detect an error class, use the IsXXX functions to tell whether an error
 // is of a certain type.
-//
-// The functions ToGRPC and FromGRPC can be used to map server-side and
-// client-side errors to the correct types.
 package errdefs
 
 import (
@@ -36,57 +33,411 @@ import (
 // Packages should return errors of these types when they want to instruct a
 // client to take a particular action.
 //
-// For the most part, we just try to provide local grpc errors. Most conditions
-// map very well to those defined by grpc.
+// These errors map closely to grpc errors.
 var (
-	ErrUnknown            = errors.New("unknown") // used internally to represent a missed mapping.
-	ErrInvalidArgument    = errors.New("invalid argument")
-	ErrNotFound           = errors.New("not found")
-	ErrAlreadyExists      = errors.New("already exists")
-	ErrFailedPrecondition = errors.New("failed precondition")
-	ErrUnavailable        = errors.New("unavailable")
-	ErrNotImplemented     = errors.New("not implemented") // represents not supported and unimplemented
+	ErrUnknown            = errUnknown{}
+	ErrInvalidArgument    = errInvalidArgument{}
+	ErrNotFound           = errNotFound{}
+	ErrAlreadyExists      = errAlreadyExists{}
+	ErrPermissionDenied   = errPermissionDenied{}
+	ErrResourceExhausted  = errResourceExhausted{}
+	ErrFailedPrecondition = errFailedPrecondition{}
+	ErrConflict           = errConflict{}
+	ErrNotModified        = errNotModified{}
+	ErrAborted            = errAborted{}
+	ErrOutOfRange         = errOutOfRange{}
+	ErrNotImplemented     = errNotImplemented{}
+	ErrInternal           = errInternal{}
+	ErrUnavailable        = errUnavailable{}
+	ErrDataLoss           = errDataLoss{}
+	ErrUnauthenticated    = errUnauthorized{}
 )
 
-// IsInvalidArgument returns true if the error is due to an invalid argument
-func IsInvalidArgument(err error) bool {
-	return errors.Is(err, ErrInvalidArgument)
-}
-
-// IsNotFound returns true if the error is due to a missing object
-func IsNotFound(err error) bool {
-	return errors.Is(err, ErrNotFound)
-}
-
-// IsAlreadyExists returns true if the error is due to an already existing
-// metadata item
-func IsAlreadyExists(err error) bool {
-	return errors.Is(err, ErrAlreadyExists)
-}
-
-// IsFailedPrecondition returns true if an operation could not proceed to the
-// lack of a particular condition
-func IsFailedPrecondition(err error) bool {
-	return errors.Is(err, ErrFailedPrecondition)
-}
-
-// IsUnavailable returns true if the error is due to a resource being unavailable
-func IsUnavailable(err error) bool {
-	return errors.Is(err, ErrUnavailable)
-}
-
-// IsNotImplemented returns true if the error is due to not being implemented
-func IsNotImplemented(err error) bool {
-	return errors.Is(err, ErrNotImplemented)
+// cancelled maps to Moby's "ErrCancelled"
+type cancelled interface {
+	Cancelled()
 }
 
 // IsCanceled returns true if the error is due to `context.Canceled`.
 func IsCanceled(err error) bool {
-	return errors.Is(err, context.Canceled)
+	return errors.Is(err, context.Canceled) || isInterface[cancelled](err)
+}
+
+type errUnknown struct{}
+
+func (errUnknown) Error() string { return "unknown" }
+
+func (errUnknown) Unknown() {}
+
+func (e errUnknown) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// unknown maps to Moby's "ErrUnknown"
+type unknown interface {
+	Unknown()
+}
+
+// IsUnknown returns true if the error is due to an unknown error,
+// unhandled condition or unexpected response.
+func IsUnknown(err error) bool {
+	return errors.Is(err, errUnknown{}) || isInterface[unknown](err)
+}
+
+type errInvalidArgument struct{}
+
+func (errInvalidArgument) Error() string { return "invalid argument" }
+
+func (errInvalidArgument) InvalidParameter() {}
+
+func (e errInvalidArgument) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// invalidParameter maps to Moby's "ErrInvalidParameter"
+type invalidParameter interface {
+	InvalidParameter()
+}
+
+// IsInvalidArgument returns true if the error is due to an invalid argument
+func IsInvalidArgument(err error) bool {
+	return errors.Is(err, ErrInvalidArgument) || isInterface[invalidParameter](err)
+}
+
+// deadlineExceed maps to Moby's "ErrDeadline"
+type deadlineExceeded interface {
+	DeadlineExceeded()
 }
 
 // IsDeadlineExceeded returns true if the error is due to
 // `context.DeadlineExceeded`.
 func IsDeadlineExceeded(err error) bool {
-	return errors.Is(err, context.DeadlineExceeded)
+	return errors.Is(err, context.DeadlineExceeded) || isInterface[deadlineExceeded](err)
+}
+
+type errNotFound struct{}
+
+func (errNotFound) Error() string { return "not found" }
+
+func (errNotFound) NotFound() {}
+
+func (e errNotFound) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// notFound maps to Moby's "ErrNotFound"
+type notFound interface {
+	NotFound()
+}
+
+// IsNotFound returns true if the error is due to a missing object
+func IsNotFound(err error) bool {
+	return errors.Is(err, ErrNotFound) || isInterface[notFound](err)
+}
+
+type errAlreadyExists struct{}
+
+func (errAlreadyExists) Error() string { return "already exists" }
+
+func (errAlreadyExists) AlreadyExists() {}
+
+func (e errAlreadyExists) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+type alreadyExists interface {
+	AlreadyExists()
+}
+
+// IsAlreadyExists returns true if the error is due to an already existing
+// metadata item
+func IsAlreadyExists(err error) bool {
+	return errors.Is(err, ErrAlreadyExists) || isInterface[alreadyExists](err)
+}
+
+type errPermissionDenied struct{}
+
+func (errPermissionDenied) Error() string { return "permission denied" }
+
+func (errPermissionDenied) Forbidden() {}
+
+func (e errPermissionDenied) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// forbidden maps to Moby's "ErrForbidden"
+type forbidden interface {
+	Forbidden()
+}
+
+// IsPermissionDenied returns true if the error is due to permission denied
+// or forbidden (403) response
+func IsPermissionDenied(err error) bool {
+	return errors.Is(err, ErrPermissionDenied) || isInterface[forbidden](err)
+}
+
+type errResourceExhausted struct{}
+
+func (errResourceExhausted) Error() string { return "resource exhausted" }
+
+func (errResourceExhausted) ResourceExhausted() {}
+
+func (e errResourceExhausted) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+type resourceExhausted interface {
+	ResourceExhausted()
+}
+
+// IsResourceExhausted returns true if the error is due to
+// a lack of resources or too many attempts.
+func IsResourceExhausted(err error) bool {
+	return errors.Is(err, errResourceExhausted{}) || isInterface[resourceExhausted](err)
+}
+
+type errFailedPrecondition struct{}
+
+func (e errFailedPrecondition) Error() string { return "failed precondition" }
+
+func (errFailedPrecondition) FailedPrecondition() {}
+
+func (e errFailedPrecondition) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+type failedPrecondition interface {
+	FailedPrecondition()
+}
+
+// IsFailedPrecondition returns true if an operation could not proceed due to
+// the lack of a particular condition
+func IsFailedPrecondition(err error) bool {
+	return errors.Is(err, errFailedPrecondition{}) || isInterface[failedPrecondition](err)
+}
+
+type errConflict struct{}
+
+func (errConflict) Error() string { return "conflict" }
+
+func (errConflict) Conflict() {}
+
+func (e errConflict) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// conflict maps to Moby's "ErrConflict"
+type conflict interface {
+	Conflict()
+}
+
+// IsConflict returns true if an operation could not proceed due to
+// a conflict.
+func IsConflict(err error) bool {
+	return errors.Is(err, errConflict{}) || isInterface[conflict](err)
+}
+
+type errNotModified struct{}
+
+func (errNotModified) Error() string { return "not modified" }
+
+func (errNotModified) NotModified() {}
+
+func (e errNotModified) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// notModified maps to Moby's "ErrNotModified"
+type notModified interface {
+	NotModified()
+}
+
+// IsNotModified returns true if an operation could not proceed due
+// to an object not modified from a previous state.
+func IsNotModified(err error) bool {
+	return errors.Is(err, errNotModified{}) || isInterface[notModified](err)
+}
+
+type errAborted struct{}
+
+func (errAborted) Error() string { return "aborted" }
+
+func (errAborted) Aborted() {}
+
+func (e errAborted) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+type aborted interface {
+	Aborted()
+}
+
+// IsAborted returns true if an operation was aborted.
+func IsAborted(err error) bool {
+	return errors.Is(err, errAborted{}) || isInterface[aborted](err)
+}
+
+type errOutOfRange struct{}
+
+func (errOutOfRange) Error() string { return "out of range" }
+
+func (errOutOfRange) OutOfRange() {}
+
+func (e errOutOfRange) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+type outOfRange interface {
+	OutOfRange()
+}
+
+// IsOutOfRange returns true if an operation could not proceed due
+// to data being out of the expected range.
+func IsOutOfRange(err error) bool {
+	return errors.Is(err, errOutOfRange{}) || isInterface[outOfRange](err)
+}
+
+type errNotImplemented struct{}
+
+func (errNotImplemented) Error() string { return "not implemented" }
+
+func (errNotImplemented) NotImplemented() {}
+
+func (e errNotImplemented) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// notImplemented maps to Moby's "ErrNotImplemented"
+type notImplemented interface {
+	NotImplemented()
+}
+
+// IsNotImplemented returns true if the error is due to not being implemented
+func IsNotImplemented(err error) bool {
+	return errors.Is(err, errNotImplemented{}) || isInterface[notImplemented](err)
+}
+
+type errInternal struct{}
+
+func (errInternal) Error() string { return "internal" }
+
+func (errInternal) System() {}
+
+func (e errInternal) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// system maps to Moby's "ErrSystem"
+type system interface {
+	System()
+}
+
+// IsInternal returns true if the error returns to an internal or system error
+func IsInternal(err error) bool {
+	return errors.Is(err, errInternal{}) || isInterface[system](err)
+}
+
+type errUnavailable struct{}
+
+func (errUnavailable) Error() string { return "unavailable" }
+
+func (errUnavailable) Unavailable() {}
+
+func (e errUnavailable) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// unavailable maps to Moby's "ErrUnavailable"
+type unavailable interface {
+	Unavailable()
+}
+
+// IsUnavailable returns true if the error is due to a resource being unavailable
+func IsUnavailable(err error) bool {
+	return errors.Is(err, errUnavailable{}) || isInterface[unavailable](err)
+}
+
+type errDataLoss struct{}
+
+func (errDataLoss) Error() string { return "data loss" }
+
+func (errDataLoss) DataLoss() {}
+
+func (e errDataLoss) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// dataLoss maps to Moby's "ErrDataLoss"
+type dataLoss interface {
+	DataLoss()
+}
+
+// IsDataLoss returns true if data during an operation was lost or corrupted
+func IsDataLoss(err error) bool {
+	return errors.Is(err, errDataLoss{}) || isInterface[dataLoss](err)
+}
+
+type errUnauthorized struct{}
+
+func (errUnauthorized) Error() string { return "unauthorized" }
+
+func (errUnauthorized) Unauthorized() {}
+
+func (e errUnauthorized) WithMessage(msg string) error {
+	return customMessage{e, msg}
+}
+
+// unauthorized maps to Moby's "ErrUnauthorized"
+type unauthorized interface {
+	Unauthorized()
+}
+
+// IsUnauthorized returns true if the error indicates that the user was
+// unauthenticated or unauthorized.
+func IsUnauthorized(err error) bool {
+	return errors.Is(err, errUnauthorized{}) || isInterface[unauthorized](err)
+}
+
+func isInterface[T any](err error) bool {
+	for {
+		switch x := err.(type) {
+		case T:
+			return true
+		case customMessage:
+			err = x.err
+		case interface{ Unwrap() error }:
+			err = x.Unwrap()
+			if err == nil {
+				return false
+			}
+		case interface{ Unwrap() []error }:
+			for _, err := range x.Unwrap() {
+				if isInterface[T](err) {
+					return true
+				}
+			}
+			return false
+		default:
+			return false
+		}
+	}
+}
+
+// customMessage is used to provide a defined error with a custom message.
+// The message is not wrapped but can be compared by the `Is(error) bool` interface.
+type customMessage struct {
+	err error
+	msg string
+}
+
+func (c customMessage) Is(err error) bool {
+	return c.err == err
+}
+
+func (c customMessage) As(target any) bool {
+	return errors.As(c.err, target)
+}
+
+func (c customMessage) Error() string {
+	return c.msg
 }