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refactor: replace experimental.fingerprints with custom-certificates and Change the fingerprint verification logic to SSL pinning

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This commit is contained in:
Skyxim 2023-01-14 21:08:06 +08:00
parent 2095f4f670
commit b6b6413d04
19 changed files with 91 additions and 97 deletions
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2
adapter/outbound/http.go
View file

@ -150,7 +150,7 @@ func NewHttp(option HttpOption) (*Http, error) {
sni = option.SNI
}
if len(option.Fingerprint) == 0 {
tlsConfig = tlsC.GetGlobalFingerprintTLSConfig(&tls.Config{
tlsConfig = tlsC.GetGlobalTLSConfig(&tls.Config{
InsecureSkipVerify: option.SkipCertVerify,
ServerName: sni,
})

2
adapter/outbound/hysteria.go
View file

@ -178,7 +178,7 @@ func NewHysteria(option HysteriaOption) (*Hysteria, error) {
return nil, err
}
} else {
tlsConfig = tlsC.GetGlobalFingerprintTLSConfig(tlsConfig)
tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
}
if len(option.ALPN) > 0 {

2
adapter/outbound/shadowsocks.go
View file

@ -223,7 +223,7 @@ func NewShadowSocks(option ShadowSocksOption) (*ShadowSocks, error) {
}
if len(shadowTLSOpt.Fingerprint) == 0 {
tlsConfig = tlsC.GetGlobalFingerprintTLSConfig(tlsConfig)
tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
} else {
if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, shadowTLSOpt.Fingerprint); err != nil {
return nil, err

2
adapter/outbound/socks5.go
View file

@ -167,7 +167,7 @@ func NewSocks5(option Socks5Option) (*Socks5, error) {
}
if len(option.Fingerprint) == 0 {
tlsConfig = tlsC.GetGlobalFingerprintTLSConfig(tlsConfig)
tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
} else {
var err error
if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint); err != nil {

2
adapter/outbound/trojan.go
View file

@ -268,7 +268,7 @@ func NewTrojan(option TrojanOption) (*Trojan, error) {
}
if len(option.Fingerprint) == 0 {
tlsConfig = tlsC.GetGlobalFingerprintTLSConfig(tlsConfig)
tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
} else {
var err error
if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint); err != nil {

2
adapter/outbound/tuic.go
View file

@ -143,7 +143,7 @@ func NewTuic(option TuicOption) (*Tuic, error) {
return nil, err
}
} else {
tlsConfig = tlsC.GetGlobalFingerprintTLSConfig(tlsConfig)
tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
}
if len(option.ALPN) > 0 {

4
adapter/outbound/vless.go
View file

@ -98,7 +98,7 @@ func (v *Vless) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
}
if len(v.option.Fingerprint) == 0 {
wsOpts.TLSConfig = tlsC.GetGlobalFingerprintTLSConfig(tlsConfig)
wsOpts.TLSConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
} else {
wsOpts.TLSConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint)
}
@ -522,7 +522,7 @@ func NewVless(option VlessOption) (*Vless, error) {
ServiceName: v.option.GrpcOpts.GrpcServiceName,
Host: v.option.ServerName,
}
tlsConfig := tlsC.GetGlobalFingerprintTLSConfig(&tls.Config{
tlsConfig := tlsC.GetGlobalTLSConfig(&tls.Config{
InsecureSkipVerify: v.option.SkipCertVerify,
ServerName: v.option.ServerName,
})

2
adapter/outbound/vmess.go
View file

@ -115,7 +115,7 @@ func (v *Vmess) StreamConn(c net.Conn, metadata *C.Metadata) (net.Conn, error) {
}
if len(v.option.Fingerprint) == 0 {
wsOpts.TLSConfig = tlsC.GetGlobalFingerprintTLSConfig(tlsConfig)
wsOpts.TLSConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
} else {
if wsOpts.TLSConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, v.option.Fingerprint); err != nil {
return nil, err

125
component/tls/config.go
View file

@ -6,63 +6,57 @@ import (
"crypto/tls"
"crypto/x509"
"encoding/hex"
"errors"
"fmt"
"strings"
"sync"
"time"
CN "github.com/Dreamacro/clash/common/net"
xtls "github.com/xtls/go"
)
var globalFingerprints = make([][32]byte, 0)
var mutex sync.Mutex
var tlsCertificates = make([]tls.Certificate, 0)
func verifyPeerCertificateAndFingerprints(fingerprints *[][32]byte, insecureSkipVerify bool) func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
return func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
if insecureSkipVerify {
var mutex sync.RWMutex
var errNotMacth error = errors.New("certificate fingerprints do not match")
func AddCertificate(privateKey, certificate string) error {
mutex.Lock()
defer mutex.Unlock()
if cert, err := CN.ParseCert(certificate, privateKey); err != nil {
return err
} else {
tlsCertificates = append(tlsCertificates, cert)
}
return nil
}
var preErr error
func GetCertificates() []tls.Certificate {
mutex.RLock()
defer mutex.RUnlock()
return tlsCertificates
}
func verifyFingerprint(fingerprint *[32]byte) func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
return func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
// ssl pining
for i := range rawCerts {
rawCert := rawCerts[i]
cert, err := x509.ParseCertificate(rawCert)
if err == nil {
opts := x509.VerifyOptions{
CurrentTime: time.Now(),
}
if _, err := cert.Verify(opts); err == nil {
return nil
} else {
fingerprint := sha256.Sum256(cert.Raw)
for _, fp := range *fingerprints {
if bytes.Equal(fingerprint[:], fp[:]) {
hash := sha256.Sum256(cert.Raw)
if bytes.Equal(fingerprint[:], hash[:]) {
return nil
}
}
preErr = err
}
return errNotMacth
}
}
return preErr
}
}
func AddCertFingerprint(fingerprint string) error {
fpByte, err2 := convertFingerprint(fingerprint)
if err2 != nil {
return err2
}
mutex.Lock()
globalFingerprints = append(globalFingerprints, *fpByte)
mutex.Unlock()
return nil
}
func convertFingerprint(fingerprint string) (*[32]byte, error) {
fingerprint = strings.TrimSpace(strings.Replace(fingerprint, ":", "", -1))
fpByte, err := hex.DecodeString(fingerprint)
if err != nil {
return nil, err
@ -75,7 +69,7 @@ func convertFingerprint(fingerprint string) (*[32]byte, error) {
}
func GetDefaultTLSConfig() *tls.Config {
return GetGlobalFingerprintTLSConfig(nil)
return GetGlobalTLSConfig(nil)
}
// GetSpecifiedFingerprintTLSConfig specified fingerprint
@ -83,33 +77,20 @@ func GetSpecifiedFingerprintTLSConfig(tlsConfig *tls.Config, fingerprint string)
if fingerprintBytes, err := convertFingerprint(fingerprint); err != nil {
return nil, err
} else {
if tlsConfig == nil {
return &tls.Config{
InsecureSkipVerify: true,
VerifyPeerCertificate: verifyPeerCertificateAndFingerprints(&[][32]byte{*fingerprintBytes}, false),
}, nil
} else {
tlsConfig.VerifyPeerCertificate = verifyPeerCertificateAndFingerprints(&[][32]byte{*fingerprintBytes}, tlsConfig.InsecureSkipVerify)
tlsConfig = GetGlobalTLSConfig(tlsConfig)
tlsConfig.VerifyPeerCertificate = verifyFingerprint(fingerprintBytes)
tlsConfig.InsecureSkipVerify = true
return tlsConfig, nil
}
}
}
func GetGlobalFingerprintTLSConfig(tlsConfig *tls.Config) *tls.Config {
// If there's at least one fingerprint then we could skip the general check
// If there's no fingerprints but the config insists then we should skip.
// Otherwise we should do a general verification.
shouldSkipVerify := len(globalFingerprints) != 0 || tlsConfig != nil && tlsConfig.InsecureSkipVerify
func GetGlobalTLSConfig(tlsConfig *tls.Config) *tls.Config {
if tlsConfig == nil {
return &tls.Config{
InsecureSkipVerify: shouldSkipVerify,
VerifyPeerCertificate: verifyPeerCertificateAndFingerprints(&globalFingerprints, false),
Certificates: tlsCertificates,
}
}
tlsConfig.VerifyPeerCertificate = verifyPeerCertificateAndFingerprints(&globalFingerprints, tlsConfig.InsecureSkipVerify)
tlsConfig.InsecureSkipVerify = shouldSkipVerify
tlsConfig.Certificates = append(tlsConfig.Certificates, tlsCertificates...)
return tlsConfig
}
@ -118,29 +99,37 @@ func GetSpecifiedFingerprintXTLSConfig(tlsConfig *xtls.Config, fingerprint strin
if fingerprintBytes, err := convertFingerprint(fingerprint); err != nil {
return nil, err
} else {
if tlsConfig == nil {
return &xtls.Config{
InsecureSkipVerify: true,
VerifyPeerCertificate: verifyPeerCertificateAndFingerprints(&[][32]byte{*fingerprintBytes}, false),
}, nil
} else {
tlsConfig.VerifyPeerCertificate = verifyPeerCertificateAndFingerprints(&[][32]byte{*fingerprintBytes}, tlsConfig.InsecureSkipVerify)
tlsConfig=GetGlobalXTLSConfig(tlsConfig)
tlsConfig.VerifyPeerCertificate = verifyFingerprint(fingerprintBytes)
tlsConfig.InsecureSkipVerify = true
return tlsConfig, nil
}
}
}
func GetGlobalFingerprintXTLSConfig(tlsConfig *xtls.Config) *xtls.Config {
shouldSkipVerify := len(globalFingerprints) != 0 || tlsConfig != nil && tlsConfig.InsecureSkipVerify
func GetGlobalXTLSConfig(tlsConfig *xtls.Config) *xtls.Config {
xtlsCerts := make([]xtls.Certificate, len(tlsCertificates))
for _, cert := range tlsCertificates {
tlsSsaList := make([]xtls.SignatureScheme, len(cert.SupportedSignatureAlgorithms))
for _, ssa := range cert.SupportedSignatureAlgorithms {
tlsSsa := xtls.SignatureScheme(ssa)
tlsSsaList = append(tlsSsaList, tlsSsa)
}
xtlsCert := xtls.Certificate{
Certificate: cert.Certificate,
PrivateKey: cert.PrivateKey,
OCSPStaple: cert.OCSPStaple,
SignedCertificateTimestamps: cert.SignedCertificateTimestamps,
Leaf: cert.Leaf,
SupportedSignatureAlgorithms: tlsSsaList,
}
xtlsCerts = append(xtlsCerts, xtlsCert)
}
if tlsConfig == nil {
return &xtls.Config{
InsecureSkipVerify: shouldSkipVerify,
VerifyPeerCertificate: verifyPeerCertificateAndFingerprints(&globalFingerprints, false),
Certificates: xtlsCerts,
}
}
tlsConfig.VerifyPeerCertificate = verifyPeerCertificateAndFingerprints(&globalFingerprints, tlsConfig.InsecureSkipVerify)
tlsConfig.InsecureSkipVerify = shouldSkipVerify
tlsConfig.Certificates = xtlsCerts
return tlsConfig
}

8
config/config.go
View file

@ -4,7 +4,6 @@ import (
"container/list"
"errors"
"fmt"
P "github.com/Dreamacro/clash/component/process"
"net"
"net/netip"
"net/url"
@ -14,6 +13,8 @@ import (
"strings"
"time"
P "github.com/Dreamacro/clash/component/process"
"github.com/Dreamacro/clash/adapter"
"github.com/Dreamacro/clash/adapter/outbound"
"github.com/Dreamacro/clash/adapter/outboundgroup"
@ -116,6 +117,11 @@ type Profile struct {
}
type TLS struct {
RawCert
CustomTrustCert []RawCert `yaml:"custom-certifactes"`
}
type RawCert struct {
Certificate string `yaml:"certificate"`
PrivateKey string `yaml:"private-key"`
}

2
dns/client.go
View file

@ -78,7 +78,7 @@ func (c *client) ExchangeContext(ctx context.Context, m *D.Msg) (*D.Msg, error)
ch := make(chan result, 1)
go func() {
if strings.HasSuffix(c.Client.Net, "tls") {
conn = tls.Client(conn, tlsC.GetGlobalFingerprintTLSConfig(c.Client.TLSConfig))
conn = tls.Client(conn, tlsC.GetGlobalTLSConfig(c.Client.TLSConfig))
}
msg, _, err := c.Client.ExchangeWithConn(m, &D.Conn{

2
dns/doh.go
View file

@ -374,7 +374,7 @@ func (doh *dnsOverHTTPS) createClient(ctx context.Context) (*http.Client, error)
// HTTP3 is enabled in the upstream options). If this attempt is successful,
// it returns an HTTP3 transport, otherwise it returns the H1/H2 transport.
func (doh *dnsOverHTTPS) createTransport(ctx context.Context) (t http.RoundTripper, err error) {
tlsConfig := tlsC.GetGlobalFingerprintTLSConfig(
tlsConfig := tlsC.GetGlobalTLSConfig(
&tls.Config{
InsecureSkipVerify: false,
MinVersion: tls.VersionTLS12,

2
dns/doq.go
View file

@ -298,7 +298,7 @@ func (doq *dnsOverQUIC) openStream(ctx context.Context, conn quic.Connection) (q
// openConnection opens a new QUIC connection.
func (doq *dnsOverQUIC) openConnection(ctx context.Context) (conn quic.Connection, err error) {
tlsConfig := tlsC.GetGlobalFingerprintTLSConfig(
tlsConfig := tlsC.GetGlobalTLSConfig(
&tls.Config{
InsecureSkipVerify: false,
NextProtos: []string{

9
hub/executor/executor.go
View file

@ -18,7 +18,7 @@ import (
"github.com/Dreamacro/clash/component/profile/cachefile"
"github.com/Dreamacro/clash/component/resolver"
SNI "github.com/Dreamacro/clash/component/sniffer"
"github.com/Dreamacro/clash/component/tls"
CTLS "github.com/Dreamacro/clash/component/tls"
"github.com/Dreamacro/clash/component/trie"
"github.com/Dreamacro/clash/config"
C "github.com/Dreamacro/clash/constant"
@ -146,10 +146,9 @@ func updateExperimental(c *config.Config) {
}
func preUpdateExperimental(c *config.Config) {
for _, fingerprint := range c.Experimental.Fingerprints {
if err := tls.AddCertFingerprint(fingerprint); err != nil {
log.Warnln("fingerprint[%s] is err, %s", fingerprint, err.Error())
}
CTLS.AddCertificate(c.TLS.PrivateKey, c.TLS.Certificate)
for _, c := range c.TLS.CustomTrustCert {
CTLS.AddCertificate(c.PrivateKey, c.Certificate)
}
}

4
transport/trojan/trojan.go
View file

@ -82,7 +82,7 @@ func (t *Trojan) StreamConn(conn net.Conn) (net.Conn, error) {
}
if len(t.option.Fingerprint) == 0 {
xtlsConfig = tlsC.GetGlobalFingerprintXTLSConfig(xtlsConfig)
xtlsConfig = tlsC.GetGlobalXTLSConfig(xtlsConfig)
} else {
var err error
if xtlsConfig, err = tlsC.GetSpecifiedFingerprintXTLSConfig(xtlsConfig, t.option.Fingerprint); err != nil {
@ -107,7 +107,7 @@ func (t *Trojan) StreamConn(conn net.Conn) (net.Conn, error) {
}
if len(t.option.Fingerprint) == 0 {
tlsConfig = tlsC.GetGlobalFingerprintTLSConfig(tlsConfig)
tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
} else {
var err error
if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, t.option.Fingerprint); err != nil {

2
transport/v2ray-plugin/websocket.go
View file

@ -43,7 +43,7 @@ func NewV2rayObfs(conn net.Conn, option *Option) (net.Conn, error) {
NextProtos: []string{"http/1.1"},
}
if len(option.Fingerprint) == 0 {
config.TLSConfig = tlsC.GetGlobalFingerprintTLSConfig(tlsConfig)
config.TLSConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
} else {
var err error
if config.TLSConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, option.Fingerprint); err != nil {

2
transport/vless/xtls.go
View file

@ -23,7 +23,7 @@ func StreamXTLSConn(conn net.Conn, cfg *XTLSConfig) (net.Conn, error) {
NextProtos: cfg.NextProtos,
}
if len(cfg.Fingerprint) == 0 {
xtlsConfig = tlsC.GetGlobalFingerprintXTLSConfig(xtlsConfig)
xtlsConfig = tlsC.GetGlobalXTLSConfig(xtlsConfig)
} else {
var err error
if xtlsConfig, err = tlsC.GetSpecifiedFingerprintXTLSConfig(xtlsConfig, cfg.Fingerprint); err != nil {

2
transport/vmess/tls.go
View file

@ -24,7 +24,7 @@ func StreamTLSConn(conn net.Conn, cfg *TLSConfig) (net.Conn, error) {
}
if len(cfg.FingerPrint) == 0 {
tlsConfig = tlsC.GetGlobalFingerprintTLSConfig(tlsConfig)
tlsConfig = tlsC.GetGlobalTLSConfig(tlsConfig)
} else {
var err error
if tlsConfig, err = tlsC.GetSpecifiedFingerprintTLSConfig(tlsConfig, cfg.FingerPrint); err != nil {