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feat: support REJECT-DROP

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This commit is contained in:
Larvan2 2023-11-18 13:17:15 +08:00
parent 3a3d88c668
commit 117228fa8c
4 changed files with 77 additions and 24 deletions
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94
adapter/outbound/reject.go
View File

@ -13,6 +13,7 @@ import (
type Reject struct {
*Base
drop bool
}
type RejectOption struct {
@ -21,12 +22,18 @@ type RejectOption struct {
// DialContext implements C.ProxyAdapter
func (r *Reject) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
if r.drop {
return NewConn(dropConn{}, r), nil
}
return NewConn(nopConn{}, r), nil
}
// ListenPacketContext implements C.ProxyAdapter
func (r *Reject) ListenPacketContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.PacketConn, error) {
return newPacketConn(nopPacketConn{}, r), nil
if r.drop {
return newPacketConn(&dropPacketConn{}, r), nil
}
return newPacketConn(&nopPacketConn{}, r), nil
}
func NewRejectWithOption(option RejectOption) *Reject {
@ -50,6 +57,18 @@ func NewReject() *Reject {
}
}
func NewRejectDrop() *Reject {
return &Reject{
Base: &Base{
name: "REJECT-DROP",
tp: C.RejectDrop,
udp: true,
prefer: C.DualStack,
},
drop: true,
}
}
func NewPass() *Reject {
return &Reject{
Base: &Base{
@ -63,35 +82,29 @@ func NewPass() *Reject {
type nopConn struct{}
func (rw nopConn) Read(b []byte) (int, error) {
return 0, io.EOF
}
func (rw nopConn) Read(b []byte) (int, error) { return 0, io.EOF }
func (rw nopConn) ReadBuffer(buffer *buf.Buffer) error {
return io.EOF
}
func (rw nopConn) ReadBuffer(buffer *buf.Buffer) error { return io.EOF }
func (rw nopConn) Write(b []byte) (int, error) {
return 0, io.EOF
}
func (rw nopConn) WriteBuffer(buffer *buf.Buffer) error {
return io.EOF
}
func (rw nopConn) Close() error { return nil }
func (rw nopConn) LocalAddr() net.Addr { return nil }
func (rw nopConn) RemoteAddr() net.Addr { return nil }
func (rw nopConn) SetDeadline(time.Time) error { return nil }
func (rw nopConn) SetReadDeadline(time.Time) error { return nil }
func (rw nopConn) SetWriteDeadline(time.Time) error { return nil }
func (rw nopConn) Write(b []byte) (int, error) { return 0, io.EOF }
func (rw nopConn) WriteBuffer(buffer *buf.Buffer) error { return io.EOF }
func (rw nopConn) Close() error { return nil }
func (rw nopConn) LocalAddr() net.Addr { return nil }
func (rw nopConn) RemoteAddr() net.Addr { return nil }
func (rw nopConn) SetDeadline(time.Time) error { return nil }
func (rw nopConn) SetReadDeadline(time.Time) error { return nil }
func (rw nopConn) SetWriteDeadline(time.Time) error { return nil }
var udpAddrIPv4Unspecified = &net.UDPAddr{IP: net.IPv4zero, Port: 0}
type nopPacketConn struct{}
func (npc nopPacketConn) WriteTo(b []byte, addr net.Addr) (n int, err error) { return len(b), nil }
func (npc nopPacketConn) ReadFrom(b []byte) (int, net.Addr, error) { return 0, nil, io.EOF }
func (npc nopPacketConn) WriteTo(b []byte, addr net.Addr) (n int, err error) {
return len(b), nil
}
func (npc nopPacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
return 0, nil, io.EOF
}
func (npc nopPacketConn) WaitReadFrom() ([]byte, func(), net.Addr, error) {
return nil, nil, nil, io.EOF
}
@ -100,3 +113,38 @@ func (npc nopPacketConn) LocalAddr() net.Addr { return udpAddrIPv4U
func (npc nopPacketConn) SetDeadline(time.Time) error { return nil }
func (npc nopPacketConn) SetReadDeadline(time.Time) error { return nil }
func (npc nopPacketConn) SetWriteDeadline(time.Time) error { return nil }
type dropConn struct{}
func (rw dropConn) Read(b []byte) (int, error) { return 0, io.EOF }
func (rw dropConn) ReadBuffer(buffer *buf.Buffer) error {
time.Sleep(C.DefaultDropTime)
return io.EOF
}
func (rw dropConn) Write(b []byte) (int, error) { return 0, io.EOF }
func (rw dropConn) WriteBuffer(buffer *buf.Buffer) error { return io.EOF }
func (rw dropConn) Close() error { return nil }
func (rw dropConn) LocalAddr() net.Addr { return nil }
func (rw dropConn) RemoteAddr() net.Addr { return nil }
func (rw dropConn) SetDeadline(time.Time) error { return nil }
func (rw dropConn) SetReadDeadline(time.Time) error { return nil }
func (rw dropConn) SetWriteDeadline(time.Time) error { return nil }
type dropPacketConn struct{}
func (npc dropPacketConn) WriteTo(b []byte, addr net.Addr) (n int, err error) {
time.Sleep(C.DefaultDropTime)
return len(b), nil
}
func (npc dropPacketConn) ReadFrom(b []byte) (int, net.Addr, error) {
time.Sleep(C.DefaultDropTime)
return 0, nil, io.EOF
}
func (npc dropPacketConn) WaitReadFrom() ([]byte, func(), net.Addr, error) {
return nil, nil, nil, io.EOF
}
func (npc dropPacketConn) Close() error { return nil }
func (npc dropPacketConn) LocalAddr() net.Addr { return udpAddrIPv4Unspecified }
func (npc dropPacketConn) SetDeadline(time.Time) error { return nil }
func (npc dropPacketConn) SetReadDeadline(time.Time) error { return nil }
func (npc dropPacketConn) SetWriteDeadline(time.Time) error { return nil }

2
adapter/outboundgroup/groupbase.go
View File

@ -222,7 +222,7 @@ func (gb *GroupBase) URLTest(ctx context.Context, url string, expectedStatus uti
}
func (gb *GroupBase) onDialFailed(adapterType C.AdapterType, err error) {
if adapterType == C.Direct || adapterType == C.Compatible || adapterType == C.Reject || adapterType == C.Pass {
if adapterType == C.Direct || adapterType == C.Compatible || adapterType == C.Reject || adapterType == C.Pass || adapterType == C.RejectDrop {
return
}

1
config/config.go
View File

@ -673,6 +673,7 @@ func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[
proxies["DIRECT"] = adapter.NewProxy(outbound.NewDirect())
proxies["REJECT"] = adapter.NewProxy(outbound.NewReject())
proxies["REJECT-DROP"] = adapter.NewProxy(outbound.NewRejectDrop())
proxies["COMPATIBLE"] = adapter.NewProxy(outbound.NewCompatible())
proxies["PASS"] = adapter.NewProxy(outbound.NewPass())
proxyList = append(proxyList, "DIRECT", "REJECT")

4
constant/adapters.go
View File

@ -18,6 +18,7 @@ import (
const (
Direct AdapterType = iota
Reject
RejectDrop
Compatible
Pass
@ -43,6 +44,7 @@ const (
const (
DefaultTCPTimeout = 5 * time.Second
DefaultDropTime = 12 * DefaultTCPTimeout
DefaultUDPTimeout = DefaultTCPTimeout
DefaultTLSTimeout = DefaultTCPTimeout
DefaultMaxHealthCheckUrlNum = 16
@ -179,6 +181,8 @@ func (at AdapterType) String() string {
return "Direct"
case Reject:
return "Reject"
case RejectDrop:
return "RejectDrop"
case Compatible:
return "Compatible"
case Pass: