69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
package v5
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import (
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"context"
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"fmt"
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"net"
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"time"
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"github.com/go-gost/core/limiter/traffic"
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"github.com/go-gost/core/logger"
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"github.com/go-gost/gosocks5"
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ctxvalue "github.com/go-gost/x/internal/ctx"
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netpkg "github.com/go-gost/x/internal/net"
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"github.com/go-gost/x/limiter/traffic/wrapper"
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)
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func (h *socks5Handler) handleConnect(ctx context.Context, conn net.Conn, network, address string, log logger.Logger) error {
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log = log.WithFields(map[string]any{
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"dst": fmt.Sprintf("%s/%s", address, network),
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"cmd": "connect",
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})
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log.Debugf("%s >> %s", conn.RemoteAddr(), address)
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if h.options.Bypass != nil && h.options.Bypass.Contains(ctx, network, address) {
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resp := gosocks5.NewReply(gosocks5.NotAllowed, nil)
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log.Trace(resp)
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log.Debug("bypass: ", address)
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return resp.Write(conn)
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}
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switch h.md.hash {
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case "host":
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ctx = ctxvalue.ContextWithHash(ctx, &ctxvalue.Hash{Source: address})
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}
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cc, err := h.router.Dial(ctx, network, address)
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if err != nil {
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resp := gosocks5.NewReply(gosocks5.NetUnreachable, nil)
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log.Trace(resp)
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resp.Write(conn)
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return err
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}
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defer cc.Close()
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resp := gosocks5.NewReply(gosocks5.Succeeded, nil)
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log.Trace(resp)
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if err := resp.Write(conn); err != nil {
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log.Error(err)
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return err
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}
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rw := wrapper.WrapReadWriter(h.options.Limiter, conn, conn.RemoteAddr().String(),
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traffic.NetworkOption(network),
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traffic.AddrOption(address),
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traffic.ClientOption(string(ctxvalue.ClientIDFromContext(ctx))),
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traffic.SrcOption(conn.RemoteAddr().String()),
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)
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t := time.Now()
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log.Infof("%s <-> %s", conn.RemoteAddr(), address)
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netpkg.Transport(rw, cc)
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log.WithFields(map[string]any{
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"duration": time.Since(t),
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}).Infof("%s >-< %s", conn.RemoteAddr(), address)
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return nil
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}
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