diff options
Diffstat (limited to 'pkg/sentry/socket/unix/unix.go')
-rw-r--r-- | pkg/sentry/socket/unix/unix.go | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/pkg/sentry/socket/unix/unix.go b/pkg/sentry/socket/unix/unix.go index e30378e60..668363864 100644 --- a/pkg/sentry/socket/unix/unix.go +++ b/pkg/sentry/socket/unix/unix.go @@ -32,16 +32,16 @@ import ( "gvisor.googlesource.com/gvisor/pkg/sentry/socket" "gvisor.googlesource.com/gvisor/pkg/sentry/socket/control" "gvisor.googlesource.com/gvisor/pkg/sentry/socket/epsocket" + "gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport" "gvisor.googlesource.com/gvisor/pkg/sentry/usermem" "gvisor.googlesource.com/gvisor/pkg/syserr" "gvisor.googlesource.com/gvisor/pkg/syserror" "gvisor.googlesource.com/gvisor/pkg/tcpip" - "gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix" "gvisor.googlesource.com/gvisor/pkg/waiter" ) -// SocketOperations is a Unix socket. It is similar to an epsocket, except it is backed -// by a unix.Endpoint instead of a tcpip.Endpoint. +// SocketOperations is a Unix socket. It is similar to an epsocket, except it +// is backed by a transport.Endpoint instead of a tcpip.Endpoint. // // +stateify savable type SocketOperations struct { @@ -52,18 +52,18 @@ type SocketOperations struct { fsutil.NoFsync `state:"nosave"` fsutil.NoopFlush `state:"nosave"` fsutil.NoMMap `state:"nosave"` - ep unix.Endpoint + ep transport.Endpoint } // New creates a new unix socket. -func New(ctx context.Context, endpoint unix.Endpoint) *fs.File { +func New(ctx context.Context, endpoint transport.Endpoint) *fs.File { dirent := socket.NewDirent(ctx, unixSocketDevice) defer dirent.DecRef() return NewWithDirent(ctx, dirent, endpoint, fs.FileFlags{Read: true, Write: true}) } // NewWithDirent creates a new unix socket using an existing dirent. -func NewWithDirent(ctx context.Context, d *fs.Dirent, ep unix.Endpoint, flags fs.FileFlags) *fs.File { +func NewWithDirent(ctx context.Context, d *fs.Dirent, ep transport.Endpoint, flags fs.FileFlags) *fs.File { return fs.NewFile(ctx, d, flags, &SocketOperations{ ep: ep, }) @@ -83,8 +83,8 @@ func (s *SocketOperations) Release() { s.DecRef() } -// Endpoint extracts the unix.Endpoint. -func (s *SocketOperations) Endpoint() unix.Endpoint { +// Endpoint extracts the transport.Endpoint. +func (s *SocketOperations) Endpoint() transport.Endpoint { return s.ep } @@ -110,7 +110,7 @@ func extractPath(sockaddr []byte) (string, *syserr.Error) { } // GetPeerName implements the linux syscall getpeername(2) for sockets backed by -// a unix.Endpoint. +// a transport.Endpoint. func (s *SocketOperations) GetPeerName(t *kernel.Task) (interface{}, uint32, *syserr.Error) { addr, err := s.ep.GetRemoteAddress() if err != nil { @@ -122,7 +122,7 @@ func (s *SocketOperations) GetPeerName(t *kernel.Task) (interface{}, uint32, *sy } // GetSockName implements the linux syscall getsockname(2) for sockets backed by -// a unix.Endpoint. +// a transport.Endpoint. func (s *SocketOperations) GetSockName(t *kernel.Task) (interface{}, uint32, *syserr.Error) { addr, err := s.ep.GetLocalAddress() if err != nil { @@ -139,20 +139,20 @@ func (s *SocketOperations) Ioctl(ctx context.Context, io usermem.IO, args arch.S } // GetSockOpt implements the linux syscall getsockopt(2) for sockets backed by -// a unix.Endpoint. +// a transport.Endpoint. func (s *SocketOperations) GetSockOpt(t *kernel.Task, level, name, outLen int) (interface{}, *syserr.Error) { return epsocket.GetSockOpt(t, s, s.ep, linux.AF_UNIX, s.ep.Type(), level, name, outLen) } // Listen implements the linux syscall listen(2) for sockets backed by -// a unix.Endpoint. +// a transport.Endpoint. func (s *SocketOperations) Listen(t *kernel.Task, backlog int) *syserr.Error { return syserr.TranslateNetstackError(s.ep.Listen(backlog)) } // blockingAccept implements a blocking version of accept(2), that is, if no // connections are ready to be accept, it will block until one becomes ready. -func (s *SocketOperations) blockingAccept(t *kernel.Task) (unix.Endpoint, *syserr.Error) { +func (s *SocketOperations) blockingAccept(t *kernel.Task) (transport.Endpoint, *syserr.Error) { // Register for notifications. e, ch := waiter.NewChannelEntry(nil) s.EventRegister(&e, waiter.EventIn) @@ -172,7 +172,7 @@ func (s *SocketOperations) blockingAccept(t *kernel.Task) (unix.Endpoint, *syser } // Accept implements the linux syscall accept(2) for sockets backed by -// a unix.Endpoint. +// a transport.Endpoint. func (s *SocketOperations) Accept(t *kernel.Task, peerRequested bool, flags int, blocking bool) (kdefs.FD, interface{}, uint32, *syserr.Error) { // Issue the accept request to get the new endpoint. ep, err := s.ep.Accept() @@ -226,7 +226,7 @@ func (s *SocketOperations) Bind(t *kernel.Task, sockaddr []byte) *syserr.Error { return e } - bep, ok := s.ep.(unix.BoundEndpoint) + bep, ok := s.ep.(transport.BoundEndpoint) if !ok { // This socket can't be bound. return syserr.ErrInvalidArgument @@ -287,10 +287,10 @@ func (s *SocketOperations) Bind(t *kernel.Task, sockaddr []byte) *syserr.Error { })) } -// extractEndpoint retrieves the unix.BoundEndpoint associated with a Unix -// socket path. The Release must be called on the unix.BoundEndpoint when the -// caller is done with it. -func extractEndpoint(t *kernel.Task, sockaddr []byte) (unix.BoundEndpoint, *syserr.Error) { +// extractEndpoint retrieves the transport.BoundEndpoint associated with a Unix +// socket path. The Release must be called on the transport.BoundEndpoint when +// the caller is done with it. +func extractEndpoint(t *kernel.Task, sockaddr []byte) (transport.BoundEndpoint, *syserr.Error) { path, err := extractPath(sockaddr) if err != nil { return nil, err @@ -362,7 +362,7 @@ func (s *SocketOperations) Write(ctx context.Context, _ *fs.File, src usermem.IO } // SendMsg implements the linux syscall sendmsg(2) for unix sockets backed by -// a unix.Endpoint. +// a transport.Endpoint. func (s *SocketOperations) SendMsg(t *kernel.Task, src usermem.IOSequence, to []byte, flags int, controlMessages socket.ControlMessages) (int, *syserr.Error) { w := EndpointWriter{ Endpoint: s.ep, @@ -408,12 +408,12 @@ func (s *SocketOperations) SendMsg(t *kernel.Task, src usermem.IOSequence, to [] return int(total), syserr.FromError(err) } -// Passcred implements unix.Credentialer.Passcred. +// Passcred implements transport.Credentialer.Passcred. func (s *SocketOperations) Passcred() bool { return s.ep.Passcred() } -// ConnectedPasscred implements unix.Credentialer.ConnectedPasscred. +// ConnectedPasscred implements transport.Credentialer.ConnectedPasscred. func (s *SocketOperations) ConnectedPasscred() bool { return s.ep.ConnectedPasscred() } @@ -434,13 +434,13 @@ func (s *SocketOperations) EventUnregister(e *waiter.Entry) { } // SetSockOpt implements the linux syscall setsockopt(2) for sockets backed by -// a unix.Endpoint. +// a transport.Endpoint. func (s *SocketOperations) SetSockOpt(t *kernel.Task, level int, name int, optVal []byte) *syserr.Error { return epsocket.SetSockOpt(t, s, s.ep, level, name, optVal) } // Shutdown implements the linux syscall shutdown(2) for sockets backed by -// a unix.Endpoint. +// a transport.Endpoint. func (s *SocketOperations) Shutdown(t *kernel.Task, how int) *syserr.Error { f, err := epsocket.ConvertShutdown(how) if err != nil { @@ -465,7 +465,7 @@ func (s *SocketOperations) Read(ctx context.Context, _ *fs.File, dst usermem.IOS } // RecvMsg implements the linux syscall recvmsg(2) for sockets backed by -// a unix.Endpoint. +// a transport.Endpoint. func (s *SocketOperations) RecvMsg(t *kernel.Task, dst usermem.IOSequence, flags int, haveDeadline bool, deadline ktime.Time, senderRequested bool, controlDataLen uint64) (n int, senderAddr interface{}, senderAddrLen uint32, controlMessages socket.ControlMessages, err *syserr.Error) { trunc := flags&linux.MSG_TRUNC != 0 peek := flags&linux.MSG_PEEK != 0 @@ -539,19 +539,19 @@ func (s *SocketOperations) RecvMsg(t *kernel.Task, dst usermem.IOSequence, flags type provider struct{} // Socket returns a new unix domain socket. -func (*provider) Socket(t *kernel.Task, stype unix.SockType, protocol int) (*fs.File, *syserr.Error) { +func (*provider) Socket(t *kernel.Task, stype transport.SockType, protocol int) (*fs.File, *syserr.Error) { // Check arguments. if protocol != 0 { return nil, syserr.ErrInvalidArgument } // Create the endpoint and socket. - var ep unix.Endpoint + var ep transport.Endpoint switch stype { case linux.SOCK_DGRAM: - ep = unix.NewConnectionless() + ep = transport.NewConnectionless() case linux.SOCK_STREAM, linux.SOCK_SEQPACKET: - ep = unix.NewConnectioned(stype, t.Kernel()) + ep = transport.NewConnectioned(stype, t.Kernel()) default: return nil, syserr.ErrInvalidArgument } @@ -560,7 +560,7 @@ func (*provider) Socket(t *kernel.Task, stype unix.SockType, protocol int) (*fs. } // Pair creates a new pair of AF_UNIX connected sockets. -func (*provider) Pair(t *kernel.Task, stype unix.SockType, protocol int) (*fs.File, *fs.File, *syserr.Error) { +func (*provider) Pair(t *kernel.Task, stype transport.SockType, protocol int) (*fs.File, *fs.File, *syserr.Error) { // Check arguments. if protocol != 0 { return nil, nil, syserr.ErrInvalidArgument @@ -573,7 +573,7 @@ func (*provider) Pair(t *kernel.Task, stype unix.SockType, protocol int) (*fs.Fi } // Create the endpoints and sockets. - ep1, ep2 := unix.NewPair(stype, t.Kernel()) + ep1, ep2 := transport.NewPair(stype, t.Kernel()) s1 := New(t, ep1) s2 := New(t, ep2) |