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| author | Rahat Mahmood <rahat@google.com> | 2019-06-06 15:03:44 -0700 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2019-06-06 15:04:47 -0700 |
| commit | 2d2831e3541c8ae3c84f17cfd1bf0a26f2027044 (patch) | |
| tree | 73511b008d7be602ba39947c17bdf71ced981778 /pkg/sentry/socket/netlink/socket.go | |
| parent | bf0b1b9d767736e632fa56b90d904fee968d8d3d (diff) | |
Track and export socket state.
This is necessary for implementing network diagnostic interfaces like
/proc/net/{tcp,udp,unix} and sock_diag(7).
For pass-through endpoints such as hostinet, we obtain the socket
state from the backend. For netstack, we add explicit tracking of TCP
states.
PiperOrigin-RevId: 251934850
Diffstat (limited to 'pkg/sentry/socket/netlink/socket.go')
| -rw-r--r-- | pkg/sentry/socket/netlink/socket.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/sentry/socket/netlink/socket.go b/pkg/sentry/socket/netlink/socket.go index afd06ca33..16c79aa33 100644 --- a/pkg/sentry/socket/netlink/socket.go +++ b/pkg/sentry/socket/netlink/socket.go @@ -616,3 +616,8 @@ func (s *Socket) Write(ctx context.Context, _ *fs.File, src usermem.IOSequence, n, err := s.sendMsg(ctx, src, nil, 0, socket.ControlMessages{}) return int64(n), err.ToError() } + +// State implements socket.Socket.State. +func (s *Socket) State() uint32 { + return s.ep.State() +} |