mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-11 01:23:01 +00:00
125 lines
3.2 KiB
Go
125 lines
3.2 KiB
Go
package mux_test
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import (
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"context"
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"testing"
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"github.com/xtls/xray-core/common"
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"github.com/xtls/xray-core/common/buf"
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"github.com/xtls/xray-core/common/mux"
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"github.com/xtls/xray-core/common/net"
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"github.com/xtls/xray-core/common/session"
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"github.com/xtls/xray-core/features/routing"
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"github.com/xtls/xray-core/transport"
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"github.com/xtls/xray-core/transport/pipe"
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)
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func newLinkPair() (*transport.Link, *transport.Link) {
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opt := pipe.WithoutSizeLimit()
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uplinkReader, uplinkWriter := pipe.New(opt)
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downlinkReader, downlinkWriter := pipe.New(opt)
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uplink := &transport.Link{
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Reader: uplinkReader,
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Writer: downlinkWriter,
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}
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downlink := &transport.Link{
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Reader: downlinkReader,
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Writer: uplinkWriter,
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}
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return uplink, downlink
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}
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type TestDispatcher struct {
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OnDispatch func(ctx context.Context, dest net.Destination) (*transport.Link, error)
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}
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func (d *TestDispatcher) Dispatch(ctx context.Context, dest net.Destination) (*transport.Link, error) {
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return d.OnDispatch(ctx, dest)
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}
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func (d *TestDispatcher) DispatchLink(ctx context.Context, destination net.Destination, outbound *transport.Link) error {
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return nil
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}
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func (d *TestDispatcher) Start() error {
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return nil
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}
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func (d *TestDispatcher) Close() error {
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return nil
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}
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func (*TestDispatcher) Type() interface{} {
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return routing.DispatcherType()
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}
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func TestRegressionOutboundLeak(t *testing.T) {
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originalOutbounds := []*session.Outbound{{}}
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serverCtx := session.ContextWithOutbounds(context.Background(), originalOutbounds)
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websiteUplink, websiteDownlink := newLinkPair()
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dispatcher := TestDispatcher{
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OnDispatch: func(ctx context.Context, dest net.Destination) (*transport.Link, error) {
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// emulate what DefaultRouter.Dispatch does, and mutate something on the context
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ob := session.OutboundsFromContext(ctx)[0]
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ob.Target = dest
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return websiteDownlink, nil
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},
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}
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muxServerUplink, muxServerDownlink := newLinkPair()
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_, err := mux.NewServerWorker(serverCtx, &dispatcher, muxServerUplink)
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common.Must(err)
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client, err := mux.NewClientWorker(*muxServerDownlink, mux.ClientStrategy{})
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common.Must(err)
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clientCtx := session.ContextWithOutbounds(context.Background(), []*session.Outbound{{
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Target: net.TCPDestination(net.DomainAddress("www.example.com"), 80),
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}})
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muxClientUplink, muxClientDownlink := newLinkPair()
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ok := client.Dispatch(clientCtx, muxClientUplink)
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if !ok {
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t.Error("failed to dispatch")
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}
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{
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b := buf.FromBytes([]byte("hello"))
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common.Must(muxClientDownlink.Writer.WriteMultiBuffer(buf.MultiBuffer{b}))
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}
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resMb, err := websiteUplink.Reader.ReadMultiBuffer()
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common.Must(err)
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res := resMb.String()
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if res != "hello" {
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t.Error("upload: ", res)
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}
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{
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b := buf.FromBytes([]byte("world"))
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common.Must(websiteUplink.Writer.WriteMultiBuffer(buf.MultiBuffer{b}))
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}
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resMb, err = muxClientDownlink.Reader.ReadMultiBuffer()
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common.Must(err)
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res = resMb.String()
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if res != "world" {
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t.Error("download: ", res)
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}
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outbounds := session.OutboundsFromContext(serverCtx)
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if outbounds[0] != originalOutbounds[0] {
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t.Error("outbound got reassigned: ", outbounds[0])
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}
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if outbounds[0].Target.Address != nil {
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t.Error("outbound target got leaked: ", outbounds[0].Target.String())
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}
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}
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