add pkgs from core

handler/socks/v5/connect.go

@@ -0,0 +1,53 @@
+package v5
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"time"
+
+	netpkg "github.com/go-gost/core/common/net"
+	"github.com/go-gost/core/logger"
+	"github.com/go-gost/gosocks5"
+)
+
+func (h *socks5Handler) handleConnect(ctx context.Context, conn net.Conn, network, address string, log logger.Logger) error {
+	log = log.WithFields(map[string]any{
+		"dst": fmt.Sprintf("%s/%s", address, network),
+		"cmd": "connect",
+	})
+	log.Infof("%s >> %s", conn.RemoteAddr(), address)
+
+	if h.options.Bypass != nil && h.options.Bypass.Contains(address) {
+		resp := gosocks5.NewReply(gosocks5.NotAllowed, nil)
+		log.Debug(resp)
+		log.Info("bypass: ", address)
+		return resp.Write(conn)
+	}
+
+	cc, err := h.router.Dial(ctx, network, address)
+	if err != nil {
+		resp := gosocks5.NewReply(gosocks5.NetUnreachable, nil)
+		log.Debug(resp)
+		resp.Write(conn)
+		return err
+	}
+
+	defer cc.Close()
+
+	resp := gosocks5.NewReply(gosocks5.Succeeded, nil)
+	if err := resp.Write(conn); err != nil {
+		log.Error(err)
+		return err
+	}
+	log.Debug(resp)
+
+	t := time.Now()
+	log.Infof("%s <-> %s", conn.RemoteAddr(), address)
+	netpkg.Transport(conn, cc)
+	log.WithFields(map[string]any{
+		"duration": time.Since(t),
+	}).Infof("%s >-< %s", conn.RemoteAddr(), address)
+
+	return nil
+}