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chore: Disable the loop back detector for CMFA

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This commit is contained in:
xishang0128 2024-06-12 04:46:13 +08:00
parent cacfefad4b
commit 10f8ba4434
1 changed files with 13 additions and 4 deletions
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9
adapter/outbound/direct.go
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@ -4,14 +4,19 @@ import (
"context" "context"
"errors" "errors"
"net/netip" "net/netip"
"os"
"strconv"
N "github.com/metacubex/mihomo/common/net" N "github.com/metacubex/mihomo/common/net"
"github.com/metacubex/mihomo/component/dialer" "github.com/metacubex/mihomo/component/dialer"
"github.com/metacubex/mihomo/component/loopback" "github.com/metacubex/mihomo/component/loopback"
"github.com/metacubex/mihomo/component/resolver" "github.com/metacubex/mihomo/component/resolver"
C "github.com/metacubex/mihomo/constant" C "github.com/metacubex/mihomo/constant"
"github.com/metacubex/mihomo/constant/features"
) )
var DisableLoopBackDetector, _ = strconv.ParseBool(os.Getenv("DISABLE_LOOPBACK_DETECTOR"))
type Direct struct { type Direct struct {
*Base *Base
loopBack *loopback.Detector loopBack *loopback.Detector
@ -24,9 +29,11 @@ type DirectOption struct {
// DialContext implements C.ProxyAdapter // DialContext implements C.ProxyAdapter
func (d *Direct) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) { func (d *Direct) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
if !features.CMFA && !DisableLoopBackDetector {
if err := d.loopBack.CheckConn(metadata); err != nil { if err := d.loopBack.CheckConn(metadata); err != nil {
return nil, err return nil, err
} }
}
opts = append(opts, dialer.WithResolver(resolver.DefaultResolver)) opts = append(opts, dialer.WithResolver(resolver.DefaultResolver))
c, err := dialer.DialContext(ctx, "tcp", metadata.RemoteAddress(), d.Base.DialOptions(opts...)...) c, err := dialer.DialContext(ctx, "tcp", metadata.RemoteAddress(), d.Base.DialOptions(opts...)...)
if err != nil { if err != nil {
@ -38,9 +45,11 @@ func (d *Direct) DialContext(ctx context.Context, metadata *C.Metadata, opts ...
// ListenPacketContext implements C.ProxyAdapter // ListenPacketContext implements C.ProxyAdapter
func (d *Direct) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) { func (d *Direct) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
if !features.CMFA && !DisableLoopBackDetector {
if err := d.loopBack.CheckPacketConn(metadata); err != nil { if err := d.loopBack.CheckPacketConn(metadata); err != nil {
return nil, err return nil, err
} }
}
// net.UDPConn.WriteTo only working with *net.UDPAddr, so we need a net.UDPAddr // net.UDPConn.WriteTo only working with *net.UDPAddr, so we need a net.UDPAddr
if !metadata.Resolved() { if !metadata.Resolved() {
ip, err := resolver.ResolveIPWithResolver(ctx, metadata.Host, resolver.DefaultResolver) ip, err := resolver.ResolveIPWithResolver(ctx, metadata.Host, resolver.DefaultResolver)