Support using DOH server for type 65 query

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风扇滑翔翼 2024-09-15 06:55:44 +00:00 committed by GitHub
parent d7c2c33547
commit d2e79c281d
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GPG key ID: B5690EEEBB952194
5 changed files with 131 additions and 28 deletions

View file

@ -390,6 +390,7 @@ type TLSConfig struct {
PinnedPeerCertificatePublicKeySha256 *[]string `json:"pinnedPeerCertificatePublicKeySha256"`
MasterKeyLog string `json:"masterKeyLog"`
ECHConfig string `json:"echConfig"`
ECHDOHServer string `json:"echDohServer"`
}
// Build implements Buildable.
@ -446,6 +447,7 @@ func (c *TLSConfig) Build() (proto.Message, error) {
config.MasterKeyLog = c.MasterKeyLog
config.EchConfig = c.ECHConfig
config.Ech_DOHserver = c.ECHDOHServer
return config, nil
}
@ -759,19 +761,19 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
}
type StreamConfig struct {
Network *TransportProtocol `json:"network"`
Security string `json:"security"`
TLSSettings *TLSConfig `json:"tlsSettings"`
REALITYSettings *REALITYConfig `json:"realitySettings"`
TCPSettings *TCPConfig `json:"tcpSettings"`
KCPSettings *KCPConfig `json:"kcpSettings"`
WSSettings *WebSocketConfig `json:"wsSettings"`
HTTPSettings *HTTPConfig `json:"httpSettings"`
SocketSettings *SocketConfig `json:"sockopt"`
GRPCConfig *GRPCConfig `json:"grpcSettings"`
GUNConfig *GRPCConfig `json:"gunSettings"`
HTTPUPGRADESettings *HttpUpgradeConfig `json:"httpupgradeSettings"`
SplitHTTPSettings *SplitHTTPConfig `json:"splithttpSettings"`
Network *TransportProtocol `json:"network"`
Security string `json:"security"`
TLSSettings *TLSConfig `json:"tlsSettings"`
REALITYSettings *REALITYConfig `json:"realitySettings"`
TCPSettings *TCPConfig `json:"tcpSettings"`
KCPSettings *KCPConfig `json:"kcpSettings"`
WSSettings *WebSocketConfig `json:"wsSettings"`
HTTPSettings *HTTPConfig `json:"httpSettings"`
SocketSettings *SocketConfig `json:"sockopt"`
GRPCConfig *GRPCConfig `json:"grpcSettings"`
GUNConfig *GRPCConfig `json:"gunSettings"`
HTTPUPGRADESettings *HttpUpgradeConfig `json:"httpupgradeSettings"`
SplitHTTPSettings *SplitHTTPConfig `json:"splithttpSettings"`
}
// Build implements Buildable.

View file

@ -390,7 +390,7 @@ func (c *Config) GetTLSConfig(opts ...Option) *tls.Config {
config.KeyLogWriter = writer
}
}
if len(c.EchConfig) > 0 {
if len(c.EchConfig) > 0 || len(c.Ech_DOHserver) > 0 {
err := ApplyECH(c, config)
if err != nil {
errors.LogError(context.Background(), err)

View file

@ -221,6 +221,7 @@ type Config struct {
PinnedPeerCertificatePublicKeySha256 [][]byte `protobuf:"bytes,14,rep,name=pinned_peer_certificate_public_key_sha256,json=pinnedPeerCertificatePublicKeySha256,proto3" json:"pinned_peer_certificate_public_key_sha256,omitempty"`
MasterKeyLog string `protobuf:"bytes,15,opt,name=master_key_log,json=masterKeyLog,proto3" json:"master_key_log,omitempty"`
EchConfig string `protobuf:"bytes,16,opt,name=ech_config,json=echConfig,proto3" json:"ech_config,omitempty"`
Ech_DOHserver string `protobuf:"bytes,17,opt,name=ech_DOHserver,json=echDOHserver,proto3" json:"ech_DOHserver,omitempty"`
}
func (x *Config) Reset() {
@ -368,6 +369,13 @@ func (x *Config) GetEchConfig() string {
return ""
}
func (x *Config) GetEch_DOHserver() string {
if x != nil {
return x.Ech_DOHserver
}
return ""
}
var File_transport_internet_tls_config_proto protoreflect.FileDescriptor
var file_transport_internet_tls_config_proto_rawDesc = []byte{
@ -399,7 +407,7 @@ var file_transport_internet_tls_config_proto_rawDesc = []byte{
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@ -449,14 +457,17 @@ var file_transport_internet_tls_config_proto_rawDesc = []byte{
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}
var (

View file

@ -88,5 +88,6 @@ message Config {
repeated bytes pinned_peer_certificate_public_key_sha256 = 14;
string master_key_log = 15;
string ech_config =16;
string ech_config = 16;
string ech_DOHserver = 17;
}

View file

@ -4,18 +4,107 @@
package tls
import (
"context"
"bytes"
"crypto/tls"
"encoding/base64"
"io"
"net/http"
"regexp"
"sync"
"time"
"github.com/miekg/dns"
"github.com/xtls/xray-core/common/errors"
)
func ApplyECH(c *Config, config *tls.Config) error {
ECHConfig, err := base64.StdEncoding.DecodeString(c.EchConfig)
if err != nil {
errors.LogError(context.Background(), "invalid ECH config")
var ECHConfig []byte
var err error
if len(c.EchConfig) > 0 {
ECHConfig, err = base64.StdEncoding.DecodeString(c.EchConfig)
if err != nil {
return errors.New("invalid ECH config")
}
} else {
if c.ServerName == "" {
return errors.New("Using DOH for ECH needs serverName")
}
ECHRecord, err := QueryRecord(c.ServerName, c.Ech_DOHserver)
if err != nil {
return err
}
ECHConfig, _ = base64.StdEncoding.DecodeString(ECHRecord)
}
config.EncryptedClientHelloConfigList = ECHConfig
return nil
}
type record struct {
record string
expire time.Time
}
var (
dnsCache = make(map[string]record)
mutex sync.RWMutex
)
func QueryRecord(domain string, server string) (string, error) {
mutex.RLock()
defer mutex.RUnlock()
rec, found := dnsCache[domain]
if found && rec.expire.After(time.Now()) {
return "", nil
}
record, err := dohQuery(server, domain)
if err != nil {
return "", err
}
rec.record = record
rec.expire = time.Now().Add(time.Second * 600)
return record, nil
}
func dohQuery(server string, domain string) (string, error) {
m := new(dns.Msg)
m.SetQuestion(dns.Fqdn(domain), dns.TypeHTTPS)
msg, err := m.Pack()
if err != nil {
return "", err
}
client := &http.Client{
Timeout: 5 * time.Second,
}
req, err := http.NewRequest("POST", server, bytes.NewReader(msg))
if err != nil {
return "", err
}
req.Header.Set("Content-Type", "application/dns-message")
resp, err := client.Do(req)
if err != nil {
return "", err
}
defer resp.Body.Close()
respBody, err := io.ReadAll(resp.Body)
if err != nil {
return "", err
}
if resp.StatusCode != http.StatusOK {
return "", errors.New("query failed with response code:", resp.StatusCode)
}
respMsg := new(dns.Msg)
err = respMsg.Unpack(respBody)
if err != nil {
return "", err
}
if len(respMsg.Answer) > 0 {
re := regexp.MustCompile(`ech="([^"]+)"`)
match := re.FindStringSubmatch(respMsg.Answer[0].String())
if match[1] != "" {
return match[1], nil
}
}
return "", errors.New("no ech record found")
}