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Allow to send through random IPv6

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pull/3179/head
风扇滑翔翼 8 months ago committed by yuhan6665
parent 657c5c8570
commit 70a5fe9a25
4 changed files with 84 additions and 40 deletions
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54
app/proxyman/config.pb.go
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@ -1,7 +1,7 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.33.0
// protoc v4.23.1
// protoc v5.26.0
// source: app/proxyman/config.proto
package proxyman
@ -524,6 +524,7 @@ type SenderConfig struct {
StreamSettings *internet.StreamConfig `protobuf:"bytes,2,opt,name=stream_settings,json=streamSettings,proto3" json:"stream_settings,omitempty"`
ProxySettings *internet.ProxyConfig `protobuf:"bytes,3,opt,name=proxy_settings,json=proxySettings,proto3" json:"proxy_settings,omitempty"`
MultiplexSettings *MultiplexingConfig `protobuf:"bytes,4,opt,name=multiplex_settings,json=multiplexSettings,proto3" json:"multiplex_settings,omitempty"`
ViaCidr string `protobuf:"bytes,5,opt,name=via_cidr,json=viaCidr,proto3" json:"via_cidr,omitempty"`
}
func (x *SenderConfig) Reset() {
@ -586,6 +587,13 @@ func (x *SenderConfig) GetMultiplexSettings() *MultiplexingConfig {
return nil
}
func (x *SenderConfig) GetViaCidr() string {
if x != nil {
return x.ViaCidr
}
return ""
}
type MultiplexingConfig struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@ -855,7 +863,7 @@ var file_app_proxyman_config_proto_rawDesc = []byte{
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@ -874,26 +882,28 @@ var file_app_proxyman_config_proto_rawDesc = []byte{
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}
var (

1
app/proxyman/config.proto
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@ -91,6 +91,7 @@ message SenderConfig {
xray.transport.internet.StreamConfig stream_settings = 2;
xray.transport.internet.ProxyConfig proxy_settings = 3;
MultiplexingConfig multiplex_settings = 4;
string via_cidr = 5;
}
message MultiplexingConfig {

22
app/proxyman/outbound/handler.go
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@ -4,6 +4,8 @@ import (
"context"
"errors"
"io"
"math/rand"
gonet "net"
"os"
"github.com/xtls/xray-core/app/proxyman"
@ -269,7 +271,11 @@ func (h *Handler) Dial(ctx context.Context, dest net.Destination) (stat.Connecti
outbound = new(session.Outbound)
ctx = session.ContextWithOutbound(ctx, outbound)
}
outbound.Gateway = h.senderSettings.Via.AsAddress()
if h.senderSettings.ViaCidr == "" {
outbound.Gateway = h.senderSettings.Via.AsAddress()
} else { //Get a random address.
outbound.Gateway = ParseRandomIPv6(h.senderSettings.Via.AsAddress(), h.senderSettings.ViaCidr)
}
}
}
@ -312,3 +318,17 @@ func (h *Handler) Close() error {
common.Close(h.mux)
return nil
}
// Return random IPv6 in a CIDR block
func ParseRandomIPv6(address net.Address, prefix string) net.Address {
addr := address.IP().String()
_, network, _ := gonet.ParseCIDR(addr + "/" + prefix)
ipv6 := network.IP.To16()
prefixLen, _ := network.Mask.Size()
for i := prefixLen / 8; i < 16; i++ {
ipv6[i] = byte(rand.Intn(256))
}
return net.ParseAddress(gonet.IP(ipv6).String())
}

47
infra/conf/xray.go
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@ -11,6 +11,7 @@ import (
"github.com/xtls/xray-core/app/dispatcher"
"github.com/xtls/xray-core/app/proxyman"
"github.com/xtls/xray-core/app/stats"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/serial"
core "github.com/xtls/xray-core/core"
"github.com/xtls/xray-core/transport/internet"
@ -279,7 +280,7 @@ func (c *InboundDetourConfig) Build() (*core.InboundHandlerConfig, error) {
type OutboundDetourConfig struct {
Protocol string `json:"protocol"`
SendThrough *Address `json:"sendThrough"`
SendThrough *string `json:"sendThrough"`
Tag string `json:"tag"`
Settings *json.RawMessage `json:"settings"`
StreamSetting *StreamConfig `json:"streamSettings"`
@ -305,9 +306,14 @@ func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
}
if c.SendThrough != nil {
address := c.SendThrough
if address.Family().IsDomain() {
return nil, newError("unable to send through: " + address.String())
address := ParseSendThough(c.SendThrough)
//Check if CIDR exists
if strings.Contains(*c.SendThrough, "/") {
senderSettings.ViaCidr = strings.Split(*c.SendThrough, "/")[1]
} else {
if address.Family().IsDomain() {
return nil, newError("unable to send through: " + address.String())
}
}
senderSettings.Via = address.Build()
}
@ -397,19 +403,19 @@ type Config struct {
// and should not be used.
OutboundDetours []OutboundDetourConfig `json:"outboundDetour"`
LogConfig *LogConfig `json:"log"`
RouterConfig *RouterConfig `json:"routing"`
DNSConfig *DNSConfig `json:"dns"`
InboundConfigs []InboundDetourConfig `json:"inbounds"`
OutboundConfigs []OutboundDetourConfig `json:"outbounds"`
Transport *TransportConfig `json:"transport"`
Policy *PolicyConfig `json:"policy"`
API *APIConfig `json:"api"`
Metrics *MetricsConfig `json:"metrics"`
Stats *StatsConfig `json:"stats"`
Reverse *ReverseConfig `json:"reverse"`
FakeDNS *FakeDNSConfig `json:"fakeDns"`
Observatory *ObservatoryConfig `json:"observatory"`
LogConfig *LogConfig `json:"log"`
RouterConfig *RouterConfig `json:"routing"`
DNSConfig *DNSConfig `json:"dns"`
InboundConfigs []InboundDetourConfig `json:"inbounds"`
OutboundConfigs []OutboundDetourConfig `json:"outbounds"`
Transport *TransportConfig `json:"transport"`
Policy *PolicyConfig `json:"policy"`
API *APIConfig `json:"api"`
Metrics *MetricsConfig `json:"metrics"`
Stats *StatsConfig `json:"stats"`
Reverse *ReverseConfig `json:"reverse"`
FakeDNS *FakeDNSConfig `json:"fakeDns"`
Observatory *ObservatoryConfig `json:"observatory"`
BurstObservatory *BurstObservatoryConfig `json:"burstObservatory"`
}
@ -717,3 +723,10 @@ func (c *Config) Build() (*core.Config, error) {
return config, nil
}
// Convert string to Address.
func ParseSendThough(Addr *string) *Address {
var addr Address
addr.Address = net.ParseAddress(strings.Split(*Addr, "/")[0])
return &addr
}

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