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authorKevin Krakauer <krakauer@google.com>2019-06-12 15:21:22 -0700
committerKevin Krakauer <krakauer@google.com>2019-06-12 15:21:22 -0700
commit0bbbcafd68154e7c7b46692b84a39fb6bb5f1568 (patch)
treed8fba01ad76900715665b0418a786de2d77e2a05 /pkg/sentry/socket/netlink/socket.go
parent06a83df533244dc2b3b8adfc1bf0608d3753c1d9 (diff)
parent70578806e8d3e01fae2249b3e602cd5b05d378a0 (diff)
Merge branch 'master' into iptables-1-pkg
Change-Id: I7457a11de4725e1bf3811420c505d225b1cb6943
Diffstat (limited to 'pkg/sentry/socket/netlink/socket.go')
-rw-r--r--pkg/sentry/socket/netlink/socket.go17
1 files changed, 16 insertions, 1 deletions
diff --git a/pkg/sentry/socket/netlink/socket.go b/pkg/sentry/socket/netlink/socket.go
index afd06ca33..62659784a 100644
--- a/pkg/sentry/socket/netlink/socket.go
+++ b/pkg/sentry/socket/netlink/socket.go
@@ -80,6 +80,10 @@ type Socket struct {
// protocol is the netlink protocol implementation.
protocol Protocol
+ // skType is the socket type. This is either SOCK_DGRAM or SOCK_RAW for
+ // netlink sockets.
+ skType linux.SockType
+
// ep is a datagram unix endpoint used to buffer messages sent from the
// kernel to userspace. RecvMsg reads messages from this endpoint.
ep transport.Endpoint
@@ -105,7 +109,7 @@ type Socket struct {
var _ socket.Socket = (*Socket)(nil)
// NewSocket creates a new Socket.
-func NewSocket(t *kernel.Task, protocol Protocol) (*Socket, *syserr.Error) {
+func NewSocket(t *kernel.Task, skType linux.SockType, protocol Protocol) (*Socket, *syserr.Error) {
// Datagram endpoint used to buffer kernel -> user messages.
ep := transport.NewConnectionless()
@@ -126,6 +130,7 @@ func NewSocket(t *kernel.Task, protocol Protocol) (*Socket, *syserr.Error) {
return &Socket{
ports: t.Kernel().NetlinkPorts(),
protocol: protocol,
+ skType: skType,
ep: ep,
connection: connection,
sendBufferSize: defaultSendBufferSize,
@@ -616,3 +621,13 @@ 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()
+}
+
+// Type implements socket.Socket.Type.
+func (s *Socket) Type() (family int, skType linux.SockType, protocol int) {
+ return linux.AF_NETLINK, s.skType, s.protocol.Protocol()
+}