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Silence the error log message for SO_RCVLOWAT option.

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Removed the unimplemented syscall message for SO_RCVLOWAT option and added a
test for {g,s}etsockopt.

PiperOrigin-RevId: 438145815
This commit is contained in:
Nayana Bidari
2022-03-29 15:48:33 -07:00
committed by gVisor bot
parent e40dd291c4
commit 007a91a911
4 changed files with 67 additions and 1 deletions
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pkg/sentry/socket/netstack/netstack.go
+19
View File
@@ -1064,6 +1064,14 @@ func getSockOptSocket(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, fam
vP := primitive.Int32(boolToInt32(v))
return &vP, nil
case linux.SO_RCVLOWAT:
if outLen < sizeOfInt32 {
return nil, syserr.ErrInvalidArgument
}
v := primitive.Int32(ep.SocketOptions().GetRcvlowat())
return &v, nil
default:
socket.GetSockOptEmitUnimplementedEvent(t, name)
}
@@ -2002,6 +2010,17 @@ func setSockOptSocket(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, nam
var v tcpip.SocketDetachFilterOption
return syserr.TranslateNetstackError(ep.SetSockOpt(&v))
// TODO(b/226603727): Add support for SO_RCVLOWAT option. For now, only
// the unsupported syscall message is removed.
case linux.SO_RCVLOWAT:
if len(optVal) < sizeOfInt32 {
return syserr.ErrInvalidArgument
}
v := hostarch.ByteOrder.Uint32(optVal)
ep.SocketOptions().SetRcvlowat(int32(v))
return nil
default:
socket.SetSockOptEmitUnimplementedEvent(t, name)
}