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authorgVisor bot <gvisor-bot@google.com>2020-08-27 22:49:41 +0000
committergVisor bot <gvisor-bot@google.com>2020-08-27 22:49:41 +0000
commitd0021eca2ad4b9ea932f30dd7229ad337342403d (patch)
treec2b025a68edcd98ae2fc8844c235ecf2a0c9a85e /pkg/sentry/socket/netstack
parentd017d0a51146cf4c287248d015bdd2c066a25994 (diff)
parent6f8fb7e0db2790ff1f5ba835780c03fe245e437f (diff)
Merge release-20200818.0-74-g6f8fb7e0d (automated)
Diffstat (limited to 'pkg/sentry/socket/netstack')
-rw-r--r--pkg/sentry/socket/netstack/netstack.go55
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