diff options
author | gVisor bot <gvisor-bot@google.com> | 2019-06-10 22:42:41 +0000 |
---|---|---|
committer | gVisor bot <gvisor-bot@google.com> | 2019-06-10 22:42:41 +0000 |
commit | 8390a8227b571e82c42e3e90aa28a7b86f7e3f9b (patch) | |
tree | 8bfad5169182b7ba1c6ed5f3df0279729cc200b0 /pkg/sentry/socket/rpcinet | |
parent | 4f56f1bf2248bb17da8b269b4191218d85ce6587 (diff) | |
parent | a00157cc0e216a9829f2659ce35c856a22aa5ba2 (diff) |
Merge a00157cc (automated)
Diffstat (limited to 'pkg/sentry/socket/rpcinet')
-rw-r--r-- | pkg/sentry/socket/rpcinet/socket.go | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/pkg/sentry/socket/rpcinet/socket.go b/pkg/sentry/socket/rpcinet/socket.go index 55e0b6665..c22ff1ff0 100644 --- a/pkg/sentry/socket/rpcinet/socket.go +++ b/pkg/sentry/socket/rpcinet/socket.go @@ -32,7 +32,6 @@ import ( "gvisor.googlesource.com/gvisor/pkg/sentry/socket/rpcinet/conn" "gvisor.googlesource.com/gvisor/pkg/sentry/socket/rpcinet/notifier" pb "gvisor.googlesource.com/gvisor/pkg/sentry/socket/rpcinet/syscall_rpc_go_proto" - "gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport" "gvisor.googlesource.com/gvisor/pkg/sentry/unimpl" "gvisor.googlesource.com/gvisor/pkg/sentry/usermem" "gvisor.googlesource.com/gvisor/pkg/syserr" @@ -54,7 +53,10 @@ type socketOperations struct { fsutil.FileUseInodeUnstableAttr `state:"nosave"` socket.SendReceiveTimeout - family int // Read-only. + family int // Read-only. + stype linux.SockType // Read-only. + protocol int // Read-only. + fd uint32 // must be O_NONBLOCK wq *waiter.Queue rpcConn *conn.RPCConnection @@ -70,7 +72,7 @@ type socketOperations struct { var _ = socket.Socket(&socketOperations{}) // New creates a new RPC socket. -func newSocketFile(ctx context.Context, stack *Stack, family int, skType int, protocol int) (*fs.File, *syserr.Error) { +func newSocketFile(ctx context.Context, stack *Stack, family int, skType linux.SockType, protocol int) (*fs.File, *syserr.Error) { id, c := stack.rpcConn.NewRequest(pb.SyscallRequest{Args: &pb.SyscallRequest_Socket{&pb.SocketRequest{Family: int64(family), Type: int64(skType | syscall.SOCK_NONBLOCK), Protocol: int64(protocol)}}}, false /* ignoreResult */) <-c @@ -87,6 +89,8 @@ func newSocketFile(ctx context.Context, stack *Stack, family int, skType int, pr defer dirent.DecRef() return fs.NewFile(ctx, dirent, fs.FileFlags{Read: true, Write: true}, &socketOperations{ family: family, + stype: skType, + protocol: protocol, wq: &wq, fd: fd, rpcConn: stack.rpcConn, @@ -333,7 +337,7 @@ func (s *socketOperations) Accept(t *kernel.Task, peerRequested bool, flags int, if err != nil { return 0, nil, 0, syserr.FromError(err) } - t.Kernel().RecordSocket(file, s.family) + t.Kernel().RecordSocket(file) if peerRequested { return fd, payload.Address.Address, payload.Address.Length, nil @@ -830,12 +834,23 @@ func (s *socketOperations) SendMsg(t *kernel.Task, src usermem.IOSequence, to [] } } +// State implements socket.Socket.State. +func (s *socketOperations) State() uint32 { + // TODO(b/127845868): Define a new rpc to query the socket state. + return 0 +} + +// Type implements socket.Socket.Type. +func (s *socketOperations) Type() (family int, skType linux.SockType, protocol int) { + return s.family, s.stype, s.protocol +} + type socketProvider struct { family int } // Socket implements socket.Provider.Socket. -func (p *socketProvider) Socket(t *kernel.Task, stypeflags transport.SockType, protocol int) (*fs.File, *syserr.Error) { +func (p *socketProvider) Socket(t *kernel.Task, stypeflags linux.SockType, protocol int) (*fs.File, *syserr.Error) { // Check that we are using the RPC network stack. stack := t.NetworkContext() if stack == nil { @@ -851,7 +866,7 @@ func (p *socketProvider) Socket(t *kernel.Task, stypeflags transport.SockType, p // // Try to restrict the flags we will accept to minimize backwards // incompatibility with netstack. - stype := int(stypeflags) & linux.SOCK_TYPE_MASK + stype := stypeflags & linux.SOCK_TYPE_MASK switch stype { case syscall.SOCK_STREAM: switch protocol { @@ -871,11 +886,11 @@ func (p *socketProvider) Socket(t *kernel.Task, stypeflags transport.SockType, p return nil, nil } - return newSocketFile(t, s, p.family, stype, 0) + return newSocketFile(t, s, p.family, stype, protocol) } // Pair implements socket.Provider.Pair. -func (p *socketProvider) Pair(t *kernel.Task, stype transport.SockType, protocol int) (*fs.File, *fs.File, *syserr.Error) { +func (p *socketProvider) Pair(t *kernel.Task, stype linux.SockType, protocol int) (*fs.File, *fs.File, *syserr.Error) { // Not supported by AF_INET/AF_INET6. return nil, nil, nil } |