diff options
Diffstat (limited to 'pkg/sentry/socket/netstack')
-rw-r--r-- | pkg/sentry/socket/netstack/netstack.go | 55 |
1 files changed, 29 insertions, 26 deletions
diff --git a/pkg/sentry/socket/netstack/netstack.go b/pkg/sentry/socket/netstack/netstack.go index 8da77cc68..0bf21f7d8 100644 --- a/pkg/sentry/socket/netstack/netstack.go +++ b/pkg/sentry/socket/netstack/netstack.go @@ -236,7 +236,7 @@ type commonEndpoint interface { // SetSockOpt implements tcpip.Endpoint.SetSockOpt and // transport.Endpoint.SetSockOpt. - SetSockOpt(interface{}) *tcpip.Error + SetSockOpt(tcpip.SettableSocketOption) *tcpip.Error // SetSockOptBool implements tcpip.Endpoint.SetSockOptBool and // transport.Endpoint.SetSockOptBool. @@ -248,7 +248,7 @@ type commonEndpoint interface { // GetSockOpt implements tcpip.Endpoint.GetSockOpt and // transport.Endpoint.GetSockOpt. - GetSockOpt(interface{}) *tcpip.Error + GetSockOpt(tcpip.GettableSocketOption) *tcpip.Error // GetSockOptBool implements tcpip.Endpoint.GetSockOptBool and // transport.Endpoint.GetSockOpt. @@ -1778,8 +1778,7 @@ func SetSockOpt(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, level int t.Kernel().EmitUnimplementedEvent(t) } - // Default to the old behavior; hand off to network stack. - return syserr.TranslateNetstackError(ep.SetSockOpt(struct{}{})) + return nil } // setSockOptSocket implements SetSockOpt when level is SOL_SOCKET. @@ -1824,7 +1823,8 @@ func setSockOptSocket(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, nam } name := string(optVal[:n]) if name == "" { - return syserr.TranslateNetstackError(ep.SetSockOpt(tcpip.BindToDeviceOption(0))) + v := tcpip.BindToDeviceOption(0) + return syserr.TranslateNetstackError(ep.SetSockOpt(&v)) } s := t.NetworkContext() if s == nil { @@ -1832,7 +1832,8 @@ func setSockOptSocket(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, nam } for nicID, nic := range s.Interfaces() { if nic.Name == name { - return syserr.TranslateNetstackError(ep.SetSockOpt(tcpip.BindToDeviceOption(nicID))) + v := tcpip.BindToDeviceOption(nicID) + return syserr.TranslateNetstackError(ep.SetSockOpt(&v)) } } return syserr.ErrUnknownDevice @@ -1898,7 +1899,8 @@ func setSockOptSocket(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, nam socket.SetSockOptEmitUnimplementedEvent(t, name) } - return syserr.TranslateNetstackError(ep.SetSockOpt(tcpip.OutOfBandInlineOption(v))) + opt := tcpip.OutOfBandInlineOption(v) + return syserr.TranslateNetstackError(ep.SetSockOpt(&opt)) case linux.SO_NO_CHECK: if len(optVal) < sizeOfInt32 { @@ -1921,21 +1923,20 @@ func setSockOptSocket(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, nam } return syserr.TranslateNetstackError( - ep.SetSockOpt(tcpip.LingerOption{ + ep.SetSockOpt(&tcpip.LingerOption{ Enabled: v.OnOff != 0, Timeout: time.Second * time.Duration(v.Linger)})) case linux.SO_DETACH_FILTER: // optval is ignored. var v tcpip.SocketDetachFilterOption - return syserr.TranslateNetstackError(ep.SetSockOpt(v)) + return syserr.TranslateNetstackError(ep.SetSockOpt(&v)) default: socket.SetSockOptEmitUnimplementedEvent(t, name) } - // Default to the old behavior; hand off to network stack. - return syserr.TranslateNetstackError(ep.SetSockOpt(struct{}{})) + return nil } // setSockOptTCP implements SetSockOpt when level is SOL_TCP. @@ -1982,7 +1983,8 @@ func setSockOptTCP(t *kernel.Task, ep commonEndpoint, name int, optVal []byte) * if v < 1 || v > linux.MAX_TCP_KEEPIDLE { return syserr.ErrInvalidArgument } - return syserr.TranslateNetstackError(ep.SetSockOpt(tcpip.KeepaliveIdleOption(time.Second * time.Duration(v)))) + opt := tcpip.KeepaliveIdleOption(time.Second * time.Duration(v)) + return syserr.TranslateNetstackError(ep.SetSockOpt(&opt)) case linux.TCP_KEEPINTVL: if len(optVal) < sizeOfInt32 { @@ -1993,7 +1995,8 @@ func setSockOptTCP(t *kernel.Task, ep commonEndpoint, name int, optVal []byte) * if v < 1 || v > linux.MAX_TCP_KEEPINTVL { return syserr.ErrInvalidArgument } - return syserr.TranslateNetstackError(ep.SetSockOpt(tcpip.KeepaliveIntervalOption(time.Second * time.Duration(v)))) + opt := tcpip.KeepaliveIntervalOption(time.Second * time.Duration(v)) + return syserr.TranslateNetstackError(ep.SetSockOpt(&opt)) case linux.TCP_KEEPCNT: if len(optVal) < sizeOfInt32 { @@ -2015,11 +2018,12 @@ func setSockOptTCP(t *kernel.Task, ep commonEndpoint, name int, optVal []byte) * if v < 0 { return syserr.ErrInvalidArgument } - return syserr.TranslateNetstackError(ep.SetSockOpt(tcpip.TCPUserTimeoutOption(time.Millisecond * time.Duration(v)))) + opt := tcpip.TCPUserTimeoutOption(time.Millisecond * time.Duration(v)) + return syserr.TranslateNetstackError(ep.SetSockOpt(&opt)) case linux.TCP_CONGESTION: v := tcpip.CongestionControlOption(optVal) - if err := ep.SetSockOpt(v); err != nil { + if err := ep.SetSockOpt(&v); err != nil { return syserr.TranslateNetstackError(err) } return nil @@ -2030,7 +2034,8 @@ func setSockOptTCP(t *kernel.Task, ep commonEndpoint, name int, optVal []byte) * } v := int32(usermem.ByteOrder.Uint32(optVal)) - return syserr.TranslateNetstackError(ep.SetSockOpt(tcpip.TCPLingerTimeoutOption(time.Second * time.Duration(v)))) + opt := tcpip.TCPLingerTimeoutOption(time.Second * time.Duration(v)) + return syserr.TranslateNetstackError(ep.SetSockOpt(&opt)) case linux.TCP_DEFER_ACCEPT: if len(optVal) < sizeOfInt32 { @@ -2040,7 +2045,8 @@ func setSockOptTCP(t *kernel.Task, ep commonEndpoint, name int, optVal []byte) * if v < 0 { v = 0 } - return syserr.TranslateNetstackError(ep.SetSockOpt(tcpip.TCPDeferAcceptOption(time.Second * time.Duration(v)))) + opt := tcpip.TCPDeferAcceptOption(time.Second * time.Duration(v)) + return syserr.TranslateNetstackError(ep.SetSockOpt(&opt)) case linux.TCP_SYNCNT: if len(optVal) < sizeOfInt32 { @@ -2065,8 +2071,7 @@ func setSockOptTCP(t *kernel.Task, ep commonEndpoint, name int, optVal []byte) * emitUnimplementedEventTCP(t, name) } - // Default to the old behavior; hand off to network stack. - return syserr.TranslateNetstackError(ep.SetSockOpt(struct{}{})) + return nil } // setSockOptIPv6 implements SetSockOpt when level is SOL_IPV6. @@ -2144,8 +2149,7 @@ func setSockOptIPv6(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, name emitUnimplementedEventIPv6(t, name) } - // Default to the old behavior; hand off to network stack. - return syserr.TranslateNetstackError(ep.SetSockOpt(struct{}{})) + return nil } var ( @@ -2223,7 +2227,7 @@ func setSockOptIP(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, name in return err } - return syserr.TranslateNetstackError(ep.SetSockOpt(tcpip.AddMembershipOption{ + return syserr.TranslateNetstackError(ep.SetSockOpt(&tcpip.AddMembershipOption{ NIC: tcpip.NICID(req.InterfaceIndex), // TODO(igudger): Change AddMembership to use the standard // any address representation. @@ -2237,7 +2241,7 @@ func setSockOptIP(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, name in return err } - return syserr.TranslateNetstackError(ep.SetSockOpt(tcpip.RemoveMembershipOption{ + return syserr.TranslateNetstackError(ep.SetSockOpt(&tcpip.RemoveMembershipOption{ NIC: tcpip.NICID(req.InterfaceIndex), // TODO(igudger): Change DropMembership to use the standard // any address representation. @@ -2251,7 +2255,7 @@ func setSockOptIP(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, name in return err } - return syserr.TranslateNetstackError(ep.SetSockOpt(tcpip.MulticastInterfaceOption{ + return syserr.TranslateNetstackError(ep.SetSockOpt(&tcpip.MulticastInterfaceOption{ NIC: tcpip.NICID(req.InterfaceIndex), InterfaceAddr: bytesToIPAddress(req.InterfaceAddr[:]), })) @@ -2375,8 +2379,7 @@ func setSockOptIP(t *kernel.Task, s socket.SocketOps, ep commonEndpoint, name in t.Kernel().EmitUnimplementedEvent(t) } - // Default to the old behavior; hand off to network stack. - return syserr.TranslateNetstackError(ep.SetSockOpt(struct{}{})) + return nil } // emitUnimplementedEventTCP emits unimplemented event if name is valid. This |