48 lines
960 B
Go
48 lines
960 B
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"log"
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"net"
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"github.com/go-gost/plugin/bypass/proto"
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"google.golang.org/grpc"
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)
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var (
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port = flag.Int("port", 8000, "The server port")
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)
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type server struct {
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proto.UnimplementedBypassServer
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}
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func (s *server) Bypass(ctx context.Context, in *proto.BypassRequest) (*proto.BypassReply, error) {
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reply := &proto.BypassReply{}
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host := in.GetAddr()
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if v, _, _ := net.SplitHostPort(host); v != "" {
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host = v
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}
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if host == "example.com" {
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reply.Ok = true
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}
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log.Printf("bypass(%s): %s, %v", in.GetClient(), in.GetAddr(), reply.Ok)
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return reply, nil
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}
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func main() {
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flag.Parse()
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lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
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if err != nil {
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log.Fatalf("failed to listen: %v", err)
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}
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s := grpc.NewServer()
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proto.RegisterBypassServer(s, &server{})
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log.Printf("server listening at %v", lis.Addr())
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if err := s.Serve(lis); err != nil {
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log.Fatalf("failed to serve: %v", err)
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}
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}
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