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68 lines
1.5 KiB
68 lines
1.5 KiB
package conf
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import (
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"github.com/golang/protobuf/proto"
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"github.com/xtls/xray-core/app/dns/fakedns"
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"github.com/xtls/xray-core/features/dns"
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)
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type FakeDNSConfig struct {
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IPPool string `json:"ipPool"`
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LruSize int64 `json:"poolSize"`
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}
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func (f FakeDNSConfig) Build() (proto.Message, error) {
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return &fakedns.FakeDnsPool{
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IpPool: f.IPPool,
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LruSize: f.LruSize,
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}, nil
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}
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type FakeDNSPostProcessingStage struct{}
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func (FakeDNSPostProcessingStage) Process(conf *Config) error {
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var fakeDNSInUse bool
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if conf.DNSConfig != nil {
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for _, v := range conf.DNSConfig.Servers {
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if v.Address.Family().IsDomain() {
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if v.Address.Domain() == "fakedns" {
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fakeDNSInUse = true
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}
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}
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}
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}
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if fakeDNSInUse {
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if conf.FakeDNS == nil {
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// Add a Fake DNS Config if there is none
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conf.FakeDNS = &FakeDNSConfig{
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IPPool: dns.FakeIPPool,
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LruSize: 65535,
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}
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}
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found := false
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// Check if there is a Outbound with necessary sniffer on
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var inbounds []InboundDetourConfig
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if len(conf.InboundConfigs) > 0 {
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inbounds = append(inbounds, conf.InboundConfigs...)
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}
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for _, v := range inbounds {
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if v.SniffingConfig != nil && v.SniffingConfig.Enabled && v.SniffingConfig.DestOverride != nil {
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for _, dov := range *v.SniffingConfig.DestOverride {
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if dov == "fakedns" {
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found = true
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}
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}
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}
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}
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if !found {
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newError("Defined Fake DNS but haven't enabled fake dns sniffing at any inbound.").AtWarning().WriteToLog()
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}
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}
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return nil
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}
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