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DNS DoH: Add h2c Remote mode (with TLS serverNameToVerify)

Browse source 
https://github.com/XTLS/Xray-core/issues/4313#issuecomment-2609339864

Applies https://github.com/refraction-networking/utls/pull/161

Closes https://github.com/XTLS/Xray-core/issues/4313
This commit is contained in:
RPRX 2025-01-25 10:51:44 +00:00 • committed by GitHub
parent a0822cb440
commit 2522cfd7be
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GPG key ID: B5690EEEBB952194
7 changed files with 105 additions and 56 deletions
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12
transport/internet/tls/config.go
View file

@ -4,6 +4,7 @@ import (
"bytes"
"context"
"crypto/hmac"
"crypto/rand"
"crypto/tls"
"crypto/x509"
"encoding/base64"
@ -303,6 +304,14 @@ func (c *Config) verifyPeerCert(rawCerts [][]byte, verifiedChains [][]*x509.Cert
return nil
}
type RandCarrier struct {
ServerNameToVerify string
}
func (r *RandCarrier) Read(p []byte) (n int, err error) {
return rand.Read(p)
}
// GetTLSConfig converts this Config into tls.Config.
func (c *Config) GetTLSConfig(opts ...Option) *tls.Config {
root, err := c.getCertPool()
@ -321,6 +330,9 @@ func (c *Config) GetTLSConfig(opts ...Option) *tls.Config {
}
config := &tls.Config{
Rand: &RandCarrier{
ServerNameToVerify: c.ServerNameToVerify,
},
ClientSessionCache: globalSessionCache,
RootCAs: root,
InsecureSkipVerify: c.AllowInsecure,

33
transport/internet/tls/config.pb.go
View file

@ -214,7 +214,8 @@ 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"`
// Lists of string as CurvePreferences values.
CurvePreferences []string `protobuf:"bytes,16,rep,name=curve_preferences,json=curvePreferences,proto3" json:"curve_preferences,omitempty"`
CurvePreferences []string `protobuf:"bytes,16,rep,name=curve_preferences,json=curvePreferences,proto3" json:"curve_preferences,omitempty"`
ServerNameToVerify string `protobuf:"bytes,17,opt,name=server_name_to_verify,json=serverNameToVerify,proto3" json:"server_name_to_verify,omitempty"`
}
func (x *Config) Reset() {
@ -352,6 +353,13 @@ func (x *Config) GetCurvePreferences() []string {
return nil
}
func (x *Config) GetServerNameToVerify() string {
if x != nil {
return x.ServerNameToVerify
}
return ""
}
var File_transport_internet_tls_config_proto protoreflect.FileDescriptor
var file_transport_internet_tls_config_proto_rawDesc = []byte{
@ -383,7 +391,7 @@ var file_transport_internet_tls_config_proto_rawDesc = []byte{
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@ -429,15 +437,18 @@ var file_transport_internet_tls_config_proto_rawDesc = []byte{
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}
var (

2
transport/internet/tls/config.proto
View file

@ -87,4 +87,6 @@ message Config {
// Lists of string as CurvePreferences values.
repeated string curve_preferences = 16;
string server_name_to_verify = 17;
}

15
transport/internet/tls/tls.go
View file

@ -134,12 +134,17 @@ func UClient(c net.Conn, config *tls.Config, fingerprint *utls.ClientHelloID) ne
}
func copyConfig(c *tls.Config) *utls.Config {
serverNameToVerify := ""
if r, ok := c.Rand.(*RandCarrier); ok {
serverNameToVerify = r.ServerNameToVerify
}
return &utls.Config{
RootCAs: c.RootCAs,
ServerName: c.ServerName,
InsecureSkipVerify: c.InsecureSkipVerify,
VerifyPeerCertificate: c.VerifyPeerCertificate,
KeyLogWriter: c.KeyLogWriter,
RootCAs: c.RootCAs,
ServerName: c.ServerName,
InsecureSkipVerify: c.InsecureSkipVerify,
VerifyPeerCertificate: c.VerifyPeerCertificate,
KeyLogWriter: c.KeyLogWriter,
InsecureServerNameToVerify: serverNameToVerify,
}
}