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Add "xudpProxyUDP443" to Mux config & XUDP rejects UDP/443 traffic by default (client side, excluding reverse proxy)

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pull/1945/head
RPRX 2 years ago committed by GitHub
parent 4f601530fa
commit 06c9e50c52
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 72 additions and 29 deletions
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46
app/proxyman/config.pb.go
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@ -597,6 +597,8 @@ type MultiplexingConfig struct {
Concurrency int32 `protobuf:"varint,2,opt,name=concurrency,proto3" json:"concurrency,omitempty"`
// Transport XUDP in another Mux.
XudpConcurrency int32 `protobuf:"varint,3,opt,name=xudpConcurrency,proto3" json:"xudpConcurrency,omitempty"`
// "reject" (default), "allow" or "skip".
XudpProxyUDP443 string `protobuf:"bytes,4,opt,name=xudpProxyUDP443,proto3" json:"xudpProxyUDP443,omitempty"`
}
func (x *MultiplexingConfig) Reset() {
@ -652,6 +654,13 @@ func (x *MultiplexingConfig) GetXudpConcurrency() int32 {
return 0
}
func (x *MultiplexingConfig) GetXudpProxyUDP443() string {
if x != nil {
return x.XudpProxyUDP443
}
return ""
}
type AllocationStrategy_AllocationStrategyConcurrency struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@ -865,23 +874,26 @@ var file_app_proxyman_config_proto_rawDesc = []byte{
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}
var (

2
app/proxyman/config.proto
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@ -100,4 +100,6 @@ message MultiplexingConfig {
int32 concurrency = 2;
// Transport XUDP in another Mux.
int32 xudpConcurrency = 3;
// "reject" (default), "allow" or "skip".
string xudpProxyUDP443 = 4;
}

14
app/proxyman/outbound/handler.go
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@ -58,6 +58,7 @@ type Handler struct {
outboundManager outbound.Manager
mux *mux.ClientManager
xudp *mux.ClientManager
udp443 string
uplinkCounter stats.Counter
downlinkCounter stats.Counter
}
@ -150,6 +151,7 @@ func NewHandler(ctx context.Context, config *core.OutboundHandlerConfig) (outbou
},
}
}
h.udp443 = config.XudpProxyUDP443
}
}
@ -173,7 +175,17 @@ func (h *Handler) Dispatch(ctx context.Context, link *transport.Link) {
common.Interrupt(link.Writer)
}
}
if h.xudp != nil && session.OutboundFromContext(ctx).Target.Network == net.Network_UDP {
outbound := session.OutboundFromContext(ctx)
if outbound.Target.Network == net.Network_UDP && outbound.Target.Port == 443 {
switch h.udp443 {
case "reject":
test(newError("XUDP rejected UDP/443 traffic").AtInfo())
return
case "skip":
goto out
}
}
if h.xudp != nil && outbound.Target.Network == net.Network_UDP {
if !h.xudp.Enabled {
goto out
}

9
infra/conf/xray.go
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@ -110,14 +110,23 @@ type MuxConfig struct {
Enabled bool `json:"enabled"`
Concurrency int16 `json:"concurrency"`
XudpConcurrency int16 `json:"xudpConcurrency"`
XudpProxyUDP443 string `json:"xudpProxyUDP443"`
}
// Build creates MultiplexingConfig, Concurrency < 0 completely disables mux.
func (m *MuxConfig) Build() (*proxyman.MultiplexingConfig, error) {
switch m.XudpProxyUDP443 {
case "":
m.XudpProxyUDP443 = "reject"
case "reject", "allow", "skip":
default:
return nil, newError(`unknown "xudpProxyUDP443": `, m.XudpProxyUDP443)
}
return &proxyman.MultiplexingConfig{
Enabled: m.Enabled,
Concurrency: int32(m.Concurrency),
XudpConcurrency: int32(m.XudpConcurrency),
XudpProxyUDP443: m.XudpProxyUDP443,
}, nil
}

8
infra/conf/xray_test.go
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@ -342,18 +342,26 @@ func TestMuxConfig_Build(t *testing.T) {
{"default", `{"enabled": true, "concurrency": 16}`, &proxyman.MultiplexingConfig{
Enabled: true,
Concurrency: 16,
XudpConcurrency: 0,
XudpProxyUDP443: "reject",
}},
{"empty def", `{}`, &proxyman.MultiplexingConfig{
Enabled: false,
Concurrency: 0,
XudpConcurrency: 0,
XudpProxyUDP443: "reject",
}},
{"not enable", `{"enabled": false, "concurrency": 4}`, &proxyman.MultiplexingConfig{
Enabled: false,
Concurrency: 4,
XudpConcurrency: 0,
XudpProxyUDP443: "reject",
}},
{"forbidden", `{"enabled": false, "concurrency": -1}`, &proxyman.MultiplexingConfig{
Enabled: false,
Concurrency: -1,
XudpConcurrency: 0,
XudpProxyUDP443: "reject",
}},
}
for _, tt := range tests {

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