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Add custom tls client support for std grpc

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This commit is contained in:
世界 2022-11-09 11:43:03 +08:00
parent 972491c19d
commit eb2e8a0b40
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GPG key ID: CD109927C34A63C4
27 changed files with 551 additions and 183 deletions
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6
common/tls/client.go
View file

@ -24,11 +24,11 @@ func NewDialerFromOptions(router adapter.Router, dialer N.Dialer, serverAddress
func NewClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
if options.ECH != nil && options.ECH.Enabled {
return newECHClient(router, serverAddress, options)
return NewECHClient(router, serverAddress, options)
} else if options.UTLS != nil && options.UTLS.Enabled {
return newUTLSClient(router, serverAddress, options)
return NewUTLSClient(router, serverAddress, options)
} else {
return newStdClient(serverAddress, options)
return NewSTDClient(serverAddress, options)
}
}

3
common/tls/config.go
View file

@ -15,10 +15,13 @@ type (
)
type Config interface {
ServerName() string
SetServerName(serverName string)
NextProtos() []string
SetNextProtos(nextProto []string)
Config() (*STDConfig, error)
Client(conn net.Conn) Conn
Clone() Config
}
type ServerConfig interface {

28
common/tls/ech_client.go
View file

@ -20,26 +20,40 @@ import (
mDNS "github.com/miekg/dns"
)
type echClientConfig struct {
type ECHClientConfig struct {
config *cftls.Config
}
func (e *echClientConfig) NextProtos() []string {
func (e *ECHClientConfig) ServerName() string {
return e.config.ServerName
}
func (e *ECHClientConfig) SetServerName(serverName string) {
e.config.ServerName = serverName
}
func (e *ECHClientConfig) NextProtos() []string {
return e.config.NextProtos
}
func (e *echClientConfig) SetNextProtos(nextProto []string) {
func (e *ECHClientConfig) SetNextProtos(nextProto []string) {
e.config.NextProtos = nextProto
}
func (e *echClientConfig) Config() (*STDConfig, error) {
func (e *ECHClientConfig) Config() (*STDConfig, error) {
return nil, E.New("unsupported usage for ECH")
}
func (e *echClientConfig) Client(conn net.Conn) Conn {
func (e *ECHClientConfig) Client(conn net.Conn) Conn {
return &echConnWrapper{cftls.Client(conn, e.config)}
}
func (e *ECHClientConfig) Clone() Config {
return &ECHClientConfig{
config: e.config.Clone(),
}
}
type echConnWrapper struct {
*cftls.Conn
}
@ -62,7 +76,7 @@ func (c *echConnWrapper) ConnectionState() tls.ConnectionState {
}
}
func newECHClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
func NewECHClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
var serverName string
if options.ServerName != "" {
serverName = options.ServerName
@ -162,7 +176,7 @@ func newECHClient(router adapter.Router, serverAddress string, options option.Ou
} else {
tlsConfig.GetClientECHConfigs = fetchECHClientConfig(router)
}
return &echClientConfig{&tlsConfig}, nil
return &ECHClientConfig{&tlsConfig}, nil
}
func fetchECHClientConfig(router adapter.Router) func(ctx context.Context, serverName string) ([]cftls.ECHConfig, error) {

2
common/tls/ech_stub.go
View file

@ -8,6 +8,6 @@ import (
E "github.com/sagernet/sing/common/exceptions"
)
func newECHClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
func NewECHClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
return nil, E.New(`ECH is not included in this build, rebuild with -tags with_ech`)
}

2
common/tls/server.go
View file

@ -12,7 +12,7 @@ import (
)
func NewServer(ctx context.Context, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
return newSTDServer(ctx, logger, options)
return NewSTDServer(ctx, logger, options)
}
func ServerHandshake(ctx context.Context, conn net.Conn, config ServerConfig) (Conn, error) {

50
common/tls/std_client.go
View file

@ -11,11 +11,39 @@ import (
E "github.com/sagernet/sing/common/exceptions"
)
type stdClientConfig struct {
type STDClientConfig struct {
config *tls.Config
}
func newStdClient(serverAddress string, options option.OutboundTLSOptions) (Config, error) {
func (s *STDClientConfig) ServerName() string {
return s.config.ServerName
}
func (s *STDClientConfig) SetServerName(serverName string) {
s.config.ServerName = serverName
}
func (s *STDClientConfig) NextProtos() []string {
return s.config.NextProtos
}
func (s *STDClientConfig) SetNextProtos(nextProto []string) {
s.config.NextProtos = nextProto
}
func (s *STDClientConfig) Config() (*STDConfig, error) {
return s.config, nil
}
func (s *STDClientConfig) Client(conn net.Conn) Conn {
return tls.Client(conn, s.config)
}
func (s *STDClientConfig) Clone() Config {
return &STDClientConfig{s.config.Clone()}
}
func NewSTDClient(serverAddress string, options option.OutboundTLSOptions) (Config, error) {
var serverName string
if options.ServerName != "" {
serverName = options.ServerName
@ -96,21 +124,5 @@ func newStdClient(serverAddress string, options option.OutboundTLSOptions) (Conf
}
tlsConfig.RootCAs = certPool
}
return &stdClientConfig{&tlsConfig}, nil
}
func (s *stdClientConfig) NextProtos() []string {
return s.config.NextProtos
}
func (s *stdClientConfig) SetNextProtos(nextProto []string) {
s.config.NextProtos = nextProto
}
func (s *stdClientConfig) Config() (*STDConfig, error) {
return s.config, nil
}
func (s *stdClientConfig) Client(conn net.Conn) Conn {
return tls.Client(conn, s.config)
return &STDClientConfig{&tlsConfig}, nil
}

230
common/tls/std_server.go
View file

@ -15,6 +15,8 @@ import (
"github.com/fsnotify/fsnotify"
)
var errInsecureUnused = E.New("tls: insecure unused")
type STDServerConfig struct {
config *tls.Config
logger log.Logger
@ -26,6 +28,14 @@ type STDServerConfig struct {
watcher *fsnotify.Watcher
}
func (c *STDServerConfig) ServerName() string {
return c.config.ServerName
}
func (c *STDServerConfig) SetServerName(serverName string) {
c.config.ServerName = serverName
}
func (c *STDServerConfig) NextProtos() []string {
return c.config.NextProtos
}
@ -34,9 +44,119 @@ func (c *STDServerConfig) SetNextProtos(nextProto []string) {
c.config.NextProtos = nextProto
}
var errInsecureUnused = E.New("tls: insecure unused")
func (c *STDServerConfig) Config() (*STDConfig, error) {
return c.config, nil
}
func newSTDServer(ctx context.Context, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
func (c *STDServerConfig) Client(conn net.Conn) Conn {
return tls.Client(conn, c.config)
}
func (c *STDServerConfig) Server(conn net.Conn) Conn {
return tls.Server(conn, c.config)
}
func (c *STDServerConfig) Clone() Config {
return &STDServerConfig{
config: c.config.Clone(),
}
}
func (c *STDServerConfig) Start() error {
if c.acmeService != nil {
return c.acmeService.Start()
} else {
if c.certificatePath == "" && c.keyPath == "" {
return nil
}
err := c.startWatcher()
if err != nil {
c.logger.Warn("create fsnotify watcher: ", err)
}
return nil
}
}
func (c *STDServerConfig) startWatcher() error {
watcher, err := fsnotify.NewWatcher()
if err != nil {
return err
}
if c.certificatePath != "" {
err = watcher.Add(c.certificatePath)
if err != nil {
return err
}
}
if c.keyPath != "" {
err = watcher.Add(c.keyPath)
if err != nil {
return err
}
}
c.watcher = watcher
go c.loopUpdate()
return nil
}
func (c *STDServerConfig) loopUpdate() {
for {
select {
case event, ok := <-c.watcher.Events:
if !ok {
return
}
if event.Op&fsnotify.Write != fsnotify.Write {
continue
}
err := c.reloadKeyPair()
if err != nil {
c.logger.Error(E.Cause(err, "reload TLS key pair"))
}
case err, ok := <-c.watcher.Errors:
if !ok {
return
}
c.logger.Error(E.Cause(err, "fsnotify error"))
}
}
}
func (c *STDServerConfig) reloadKeyPair() error {
if c.certificatePath != "" {
certificate, err := os.ReadFile(c.certificatePath)
if err != nil {
return E.Cause(err, "reload certificate from ", c.certificatePath)
}
c.certificate = certificate
}
if c.keyPath != "" {
key, err := os.ReadFile(c.keyPath)
if err != nil {
return E.Cause(err, "reload key from ", c.keyPath)
}
c.key = key
}
keyPair, err := tls.X509KeyPair(c.certificate, c.key)
if err != nil {
return E.Cause(err, "reload key pair")
}
c.config.Certificates = []tls.Certificate{keyPair}
c.logger.Info("reloaded TLS certificate")
return nil
}
func (c *STDServerConfig) Close() error {
if c.acmeService != nil {
return c.acmeService.Close()
}
if c.watcher != nil {
return c.watcher.Close()
}
return nil
}
func NewSTDServer(ctx context.Context, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
if !options.Enabled {
return nil, nil
}
@ -136,109 +256,3 @@ func newSTDServer(ctx context.Context, logger log.Logger, options option.Inbound
keyPath: options.KeyPath,
}, nil
}
func (c *STDServerConfig) Config() (*STDConfig, error) {
return c.config, nil
}
func (c *STDServerConfig) Client(conn net.Conn) Conn {
return tls.Client(conn, c.config)
}
func (c *STDServerConfig) Server(conn net.Conn) Conn {
return tls.Server(conn, c.config)
}
func (c *STDServerConfig) Start() error {
if c.acmeService != nil {
return c.acmeService.Start()
} else {
if c.certificatePath == "" && c.keyPath == "" {
return nil
}
err := c.startWatcher()
if err != nil {
c.logger.Warn("create fsnotify watcher: ", err)
}
return nil
}
}
func (c *STDServerConfig) startWatcher() error {
watcher, err := fsnotify.NewWatcher()
if err != nil {
return err
}
if c.certificatePath != "" {
err = watcher.Add(c.certificatePath)
if err != nil {
return err
}
}
if c.keyPath != "" {
err = watcher.Add(c.keyPath)
if err != nil {
return err
}
}
c.watcher = watcher
go c.loopUpdate()
return nil
}
func (c *STDServerConfig) loopUpdate() {
for {
select {
case event, ok := <-c.watcher.Events:
if !ok {
return
}
if event.Op&fsnotify.Write != fsnotify.Write {
continue
}
err := c.reloadKeyPair()
if err != nil {
c.logger.Error(E.Cause(err, "reload TLS key pair"))
}
case err, ok := <-c.watcher.Errors:
if !ok {
return
}
c.logger.Error(E.Cause(err, "fsnotify error"))
}
}
}
func (c *STDServerConfig) reloadKeyPair() error {
if c.certificatePath != "" {
certificate, err := os.ReadFile(c.certificatePath)
if err != nil {
return E.Cause(err, "reload certificate from ", c.certificatePath)
}
c.certificate = certificate
}
if c.keyPath != "" {
key, err := os.ReadFile(c.keyPath)
if err != nil {
return E.Cause(err, "reload key from ", c.keyPath)
}
c.key = key
}
keyPair, err := tls.X509KeyPair(c.certificate, c.key)
if err != nil {
return E.Cause(err, "reload key pair")
}
c.config.Certificates = []tls.Certificate{keyPair}
c.logger.Info("reloaded TLS certificate")
return nil
}
func (c *STDServerConfig) Close() error {
if c.acmeService != nil {
return c.acmeService.Close()
}
if c.watcher != nil {
return c.watcher.Close()
}
return nil
}

29
common/tls/utls_client.go
View file

@ -16,24 +16,32 @@ import (
utls "github.com/refraction-networking/utls"
)
type utlsClientConfig struct {
type UTLSClientConfig struct {
config *utls.Config
id utls.ClientHelloID
}
func (e *utlsClientConfig) NextProtos() []string {
func (e *UTLSClientConfig) ServerName() string {
return e.config.ServerName
}
func (e *UTLSClientConfig) SetServerName(serverName string) {
e.config.ServerName = serverName
}
func (e *UTLSClientConfig) NextProtos() []string {
return e.config.NextProtos
}
func (e *utlsClientConfig) SetNextProtos(nextProto []string) {
func (e *UTLSClientConfig) SetNextProtos(nextProto []string) {
e.config.NextProtos = nextProto
}
func (e *utlsClientConfig) Config() (*STDConfig, error) {
func (e *UTLSClientConfig) Config() (*STDConfig, error) {
return nil, E.New("unsupported usage for uTLS")
}
func (e *utlsClientConfig) Client(conn net.Conn) Conn {
func (e *UTLSClientConfig) Client(conn net.Conn) Conn {
return &utlsConnWrapper{utls.UClient(conn, e.config.Clone(), e.id)}
}
@ -59,7 +67,14 @@ func (c *utlsConnWrapper) ConnectionState() tls.ConnectionState {
}
}
func newUTLSClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
func (e *UTLSClientConfig) Clone() Config {
return &UTLSClientConfig{
config: e.config.Clone(),
id: e.id,
}
}
func NewUTLSClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
var serverName string
if options.ServerName != "" {
serverName = options.ServerName
@ -152,5 +167,5 @@ func newUTLSClient(router adapter.Router, serverAddress string, options option.O
default:
return nil, E.New("unknown uTLS fingerprint: ", options.UTLS.Fingerprint)
}
return &utlsClientConfig{&tlsConfig, id}, nil
return &UTLSClientConfig{&tlsConfig, id}, nil
}

2
common/tls/utls_stub.go
View file

@ -8,6 +8,6 @@ import (
E "github.com/sagernet/sing/common/exceptions"
)
func newUTLSClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
func NewUTLSClient(router adapter.Router, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
return nil, E.New(`uTLS is not included in this build, rebuild with -tags with_utls`)
}

2
include/quic_stub.go
View file

@ -23,7 +23,7 @@ func init() {
return nil, C.ErrQUICNotIncluded
})
v2ray.RegisterQUICConstructor(
func(ctx context.Context, options option.V2RayQUICOptions, tlsConfig tls.Config, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
func(ctx context.Context, options option.V2RayQUICOptions, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
return nil, C.ErrQUICNotIncluded
},
func(ctx context.Context, dialer N.Dialer, serverAddr M.Socksaddr, options option.V2RayQUICOptions, tlsConfig tls.Config) (adapter.V2RayClientTransport, error) {

8
test/go.mod
View file

@ -61,13 +61,13 @@ require (
github.com/sagernet/cloudflare-tls v0.0.0-20221031050923-d70792f4c3a0 // indirect
github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61 // indirect
github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97 // indirect
github.com/sagernet/quic-go v0.0.0-20221031051350-29d8bb1c8127 // indirect
github.com/sagernet/quic-go v0.0.0-20221108053023-645bcc4f9b15 // indirect
github.com/sagernet/sing-dns v0.0.0-20221031055845-7de76401d403 // indirect
github.com/sagernet/sing-tun v0.0.0-20221104121441-66c48a57776f // indirect
github.com/sagernet/sing-vmess v0.0.0-20220925083655-063bc85ea685 // indirect
github.com/sagernet/sing-vmess v0.0.0-20221109021549-b446d5bdddf0 // indirect
github.com/sagernet/smux v0.0.0-20220831015742-e0f1988e3195 // indirect
github.com/sagernet/websocket v0.0.0-20220913015213-615516348b4e // indirect
github.com/sagernet/wireguard-go v0.0.0-20221107074148-ffff5ffac938 // indirect
github.com/sagernet/wireguard-go v0.0.0-20221108054404-7c2acadba17c // indirect
github.com/sirupsen/logrus v1.9.0 // indirect
github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect
go.etcd.io/bbolt v1.3.6 // indirect
@ -78,7 +78,7 @@ require (
golang.org/x/crypto v0.1.1-0.20221024173537-a3485e174077 // indirect
golang.org/x/exp v0.0.0-20221028150844-83b7d23a625f // indirect
golang.org/x/mod v0.6.0 // indirect
golang.org/x/sys v0.1.1-0.20221102194838-fc697a31fa06 // indirect
golang.org/x/sys v0.2.0 // indirect
golang.org/x/text v0.4.0 // indirect
golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect
golang.org/x/tools v0.2.0 // indirect

16
test/go.sum
View file

@ -146,8 +146,8 @@ github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61 h1:5+m7c
github.com/sagernet/go-tun2socks v1.16.12-0.20220818015926-16cb67876a61/go.mod h1:QUQ4RRHD6hGGHdFMEtR8T2P6GS6R3D/CXKdaYHKKXms=
github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97 h1:iL5gZI3uFp0X6EslacyapiRz7LLSJyr4RajF/BhMVyE=
github.com/sagernet/netlink v0.0.0-20220905062125-8043b4a9aa97/go.mod h1:xLnfdiJbSp8rNqYEdIW/6eDO4mVoogml14Bh2hSiFpM=
github.com/sagernet/quic-go v0.0.0-20221031051350-29d8bb1c8127 h1:rraPfWlUy2cdZ61FLXRCFbL0lb7oocScbr4Ac0rIzTU=
github.com/sagernet/quic-go v0.0.0-20221031051350-29d8bb1c8127/go.mod h1:oWFbojDMm85/Jbm/fyWoo8Pux6dIssxGi3q1r+5642A=
github.com/sagernet/quic-go v0.0.0-20221108053023-645bcc4f9b15 h1:l8RQTjz5LlGEFOc49dXAr14ORbj8mTW7nX88Rbm+FiY=
github.com/sagernet/quic-go v0.0.0-20221108053023-645bcc4f9b15/go.mod h1:oWFbojDMm85/Jbm/fyWoo8Pux6dIssxGi3q1r+5642A=
github.com/sagernet/sing v0.0.0-20220812082120-05f9836bff8f/go.mod h1:QVsS5L/ZA2Q5UhQwLrn0Trw+msNd/NPGEhBKR/ioWiY=
github.com/sagernet/sing v0.0.0-20220817130738-ce854cda8522/go.mod h1:QVsS5L/ZA2Q5UhQwLrn0Trw+msNd/NPGEhBKR/ioWiY=
github.com/sagernet/sing v0.0.0-20221008120626-60a9910eefe4 h1:LO7xMvMGhYmjQg2vjhTzsODyzs9/WLYu5Per+/8jIeo=
@ -158,14 +158,14 @@ github.com/sagernet/sing-shadowsocks v0.0.0-20220819002358-7461bb09a8f6 h1:JJfDe
github.com/sagernet/sing-shadowsocks v0.0.0-20220819002358-7461bb09a8f6/go.mod h1:EX3RbZvrwAkPI2nuGa78T2iQXmrkT+/VQtskjou42xM=
github.com/sagernet/sing-tun v0.0.0-20221104121441-66c48a57776f h1:CXF+nErOb9f7qiHingSgTa2/lJAgmEFtAQ47oVwdRGU=
github.com/sagernet/sing-tun v0.0.0-20221104121441-66c48a57776f/go.mod h1:1u3pjXA9HmH7kRiBJqM3C/zPxrxnCLd3svmqtub/RFU=
github.com/sagernet/sing-vmess v0.0.0-20220925083655-063bc85ea685 h1:AZzFNRR/ZwMTceUQ1b/mxx6oyKqmFymdMn/yleJmoVM=
github.com/sagernet/sing-vmess v0.0.0-20220925083655-063bc85ea685/go.mod h1:bwhAdSNET1X+j9DOXGj9NIQR39xgcWIk1rOQ9lLD+gM=
github.com/sagernet/sing-vmess v0.0.0-20221109021549-b446d5bdddf0 h1:z3kuD3hPNdEq7/wVy5lwE21f+8ZTazBtR81qswxJoCc=
github.com/sagernet/sing-vmess v0.0.0-20221109021549-b446d5bdddf0/go.mod h1:bwhAdSNET1X+j9DOXGj9NIQR39xgcWIk1rOQ9lLD+gM=
github.com/sagernet/smux v0.0.0-20220831015742-e0f1988e3195 h1:5VBIbVw9q7aKbrFdT83mjkyvQ+VaRsQ6yflTepfln38=
github.com/sagernet/smux v0.0.0-20220831015742-e0f1988e3195/go.mod h1:yedWtra8nyGJ+SyI+ziwuaGMzBatbB10P1IOOZbbSK8=
github.com/sagernet/websocket v0.0.0-20220913015213-615516348b4e h1:7uw2njHFGE+VpWamge6o56j2RWk4omF6uLKKxMmcWvs=
github.com/sagernet/websocket v0.0.0-20220913015213-615516348b4e/go.mod h1:45TUl8+gH4SIKr4ykREbxKWTxkDlSzFENzctB1dVRRY=
github.com/sagernet/wireguard-go v0.0.0-20221107074148-ffff5ffac938 h1:QBeUPiA35gP6XqSUXCdwfDfWjhBRV2m0+mtXNUzLpZ0=
github.com/sagernet/wireguard-go v0.0.0-20221107074148-ffff5ffac938/go.mod h1:euOmN6O5kk9dQmgSS8Df4psAl3TCjxOz0NW60EWkSaI=
github.com/sagernet/wireguard-go v0.0.0-20221108054404-7c2acadba17c h1:qP3ZOHnjZalvqbjundbXiv/YrNlo3HOgrKc+S1QGs0U=
github.com/sagernet/wireguard-go v0.0.0-20221108054404-7c2acadba17c/go.mod h1:euOmN6O5kk9dQmgSS8Df4psAl3TCjxOz0NW60EWkSaI=
github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
github.com/sirupsen/logrus v1.9.0 h1:trlNQbNUG3OdDrDil03MCb1H2o9nJ1x4/5LYw7byDE0=
github.com/sirupsen/logrus v1.9.0/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
@ -278,8 +278,8 @@ golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBc
golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220731174439-a90be440212d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.1.1-0.20221102194838-fc697a31fa06 h1:E1pm64FqQa4v8dHd/bAneyMkR4hk8LTJhoSlc5mc1cM=
golang.org/x/sys v0.1.1-0.20221102194838-fc697a31fa06/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.2.0 h1:ljd4t30dBnAvMZaQCevtY0xLLD0A+bRZXbgLMLU1F/A=
golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.1.0 h1:g6Z6vPFA9dYBAF7DWcH6sCcOntplXsDKcliusYijMlw=

2
transport/v2ray/grpc.go
View file

@ -15,7 +15,7 @@ import (
N "github.com/sagernet/sing/common/network"
)
func NewGRPCServer(ctx context.Context, options option.V2RayGRPCOptions, tlsConfig tls.Config, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
func NewGRPCServer(ctx context.Context, options option.V2RayGRPCOptions, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
if options.ForceLite {
return v2raygrpclite.NewServer(ctx, options, tlsConfig, handler, errorHandler)
}

2
transport/v2ray/grpc_lite.go
View file

@ -14,7 +14,7 @@ import (
N "github.com/sagernet/sing/common/network"
)
func NewGRPCServer(ctx context.Context, options option.V2RayGRPCOptions, tlsConfig tls.Config, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
func NewGRPCServer(ctx context.Context, options option.V2RayGRPCOptions, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
return v2raygrpclite.NewServer(ctx, options, tlsConfig, handler, errorHandler)
}

2
transport/v2ray/quic.go
View file

@ -22,7 +22,7 @@ func RegisterQUICConstructor(server ServerConstructor[option.V2RayQUICOptions],
quicClientConstructor = client
}
func NewQUICServer(ctx context.Context, options option.V2RayQUICOptions, tlsConfig tls.Config, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
func NewQUICServer(ctx context.Context, options option.V2RayQUICOptions, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
if quicServerConstructor == nil {
return nil, os.ErrInvalid
}

4
transport/v2ray/transport.go
View file

@ -15,11 +15,11 @@ import (
)
type (
ServerConstructor[O any] func(ctx context.Context, options O, tlsConfig tls.Config, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error)
ServerConstructor[O any] func(ctx context.Context, options O, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error)
ClientConstructor[O any] func(ctx context.Context, dialer N.Dialer, serverAddr M.Socksaddr, options O, tlsConfig tls.Config) (adapter.V2RayClientTransport, error)
)
func NewServerTransport(ctx context.Context, options option.V2RayTransportOptions, tlsConfig tls.Config, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
func NewServerTransport(ctx context.Context, options option.V2RayTransportOptions, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
if options.Type == "" {
return nil, nil
}

7
transport/v2raygrpc/client.go
View file

@ -16,7 +16,6 @@ import (
"google.golang.org/grpc"
"google.golang.org/grpc/backoff"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/credentials/insecure"
)
@ -35,11 +34,7 @@ type Client struct {
func NewClient(ctx context.Context, dialer N.Dialer, serverAddr M.Socksaddr, options option.V2RayGRPCOptions, tlsConfig tls.Config) (adapter.V2RayClientTransport, error) {
var dialOptions []grpc.DialOption
if tlsConfig != nil {
stdConfig, err := tlsConfig.Config()
if err != nil {
return nil, err
}
dialOptions = append(dialOptions, grpc.WithTransportCredentials(credentials.NewTLS(stdConfig)))
dialOptions = append(dialOptions, grpc.WithTransportCredentials(NewTLSTransportCredentials(tlsConfig)))
} else {
dialOptions = append(dialOptions, grpc.WithTransportCredentials(insecure.NewCredentials()))
}

49
transport/v2raygrpc/credentials/credentials.go Normal file
View file

@ -0,0 +1,49 @@
/*
* Copyright 2021 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package credentials
import (
"context"
)
// requestInfoKey is a struct to be used as the key to store RequestInfo in a
// context.
type requestInfoKey struct{}
// NewRequestInfoContext creates a context with ri.
func NewRequestInfoContext(ctx context.Context, ri interface{}) context.Context {
return context.WithValue(ctx, requestInfoKey{}, ri)
}
// RequestInfoFromContext extracts the RequestInfo from ctx.
func RequestInfoFromContext(ctx context.Context) interface{} {
return ctx.Value(requestInfoKey{})
}
// clientHandshakeInfoKey is a struct used as the key to store
// ClientHandshakeInfo in a context.
type clientHandshakeInfoKey struct{}
// ClientHandshakeInfoFromContext extracts the ClientHandshakeInfo from ctx.
func ClientHandshakeInfoFromContext(ctx context.Context) interface{} {
return ctx.Value(clientHandshakeInfoKey{})
}
// NewClientHandshakeInfoContext creates a context with chi.
func NewClientHandshakeInfoContext(ctx context.Context, chi interface{}) context.Context {
return context.WithValue(ctx, clientHandshakeInfoKey{}, chi)
}

75
transport/v2raygrpc/credentials/spiffe.go Normal file
View file

@ -0,0 +1,75 @@
/*
*
* Copyright 2020 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
// Package credentials defines APIs for parsing SPIFFE ID.
//
// All APIs in this package are experimental.
package credentials
import (
"crypto/tls"
"crypto/x509"
"net/url"
"google.golang.org/grpc/grpclog"
)
var logger = grpclog.Component("credentials")
// SPIFFEIDFromState parses the SPIFFE ID from State. If the SPIFFE ID format
// is invalid, return nil with warning.
func SPIFFEIDFromState(state tls.ConnectionState) *url.URL {
if len(state.PeerCertificates) == 0 || len(state.PeerCertificates[0].URIs) == 0 {
return nil
}
return SPIFFEIDFromCert(state.PeerCertificates[0])
}
// SPIFFEIDFromCert parses the SPIFFE ID from x509.Certificate. If the SPIFFE
// ID format is invalid, return nil with warning.
func SPIFFEIDFromCert(cert *x509.Certificate) *url.URL {
if cert == nil || cert.URIs == nil {
return nil
}
var spiffeID *url.URL
for _, uri := range cert.URIs {
if uri == nil || uri.Scheme != "spiffe" || uri.Opaque != "" || (uri.User != nil && uri.User.Username() != "") {
continue
}
// From this point, we assume the uri is intended for a SPIFFE ID.
if len(uri.String()) > 2048 {
logger.Warning("invalid SPIFFE ID: total ID length larger than 2048 bytes")
return nil
}
if len(uri.Host) == 0 || len(uri.Path) == 0 {
logger.Warning("invalid SPIFFE ID: domain or workload ID is empty")
return nil
}
if len(uri.Host) > 255 {
logger.Warning("invalid SPIFFE ID: domain length larger than 255 characters")
return nil
}
// A valid SPIFFE certificate can only have exactly one URI SAN field.
if len(cert.URIs) > 1 {
logger.Warning("invalid SPIFFE ID: multiple URI SANs")
return nil
}
spiffeID = uri
}
return spiffeID
}

58
transport/v2raygrpc/credentials/syscallconn.go Normal file
View file

@ -0,0 +1,58 @@
/*
*
* Copyright 2018 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package credentials
import (
"net"
"syscall"
)
type sysConn = syscall.Conn
// syscallConn keeps reference of rawConn to support syscall.Conn for channelz.
// SyscallConn() (the method in interface syscall.Conn) is explicitly
// implemented on this type,
//
// Interface syscall.Conn is implemented by most net.Conn implementations (e.g.
// TCPConn, UnixConn), but is not part of net.Conn interface. So wrapper conns
// that embed net.Conn don't implement syscall.Conn. (Side note: tls.Conn
// doesn't embed net.Conn, so even if syscall.Conn is part of net.Conn, it won't
// help here).
type syscallConn struct {
net.Conn
// sysConn is a type alias of syscall.Conn. It's necessary because the name
// `Conn` collides with `net.Conn`.
sysConn
}
// WrapSyscallConn tries to wrap rawConn and newConn into a net.Conn that
// implements syscall.Conn. rawConn will be used to support syscall, and newConn
// will be used for read/write.
//
// This function returns newConn if rawConn doesn't implement syscall.Conn.
func WrapSyscallConn(rawConn, newConn net.Conn) net.Conn {
sysConn, ok := rawConn.(syscall.Conn)
if !ok {
return newConn
}
return &syscallConn{
Conn: newConn,
sysConn: sysConn,
}
}

52
transport/v2raygrpc/credentials/util.go Normal file
View file

@ -0,0 +1,52 @@
/*
*
* Copyright 2020 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package credentials
import (
"crypto/tls"
)
const alpnProtoStrH2 = "h2"
// AppendH2ToNextProtos appends h2 to next protos.
func AppendH2ToNextProtos(ps []string) []string {
for _, p := range ps {
if p == alpnProtoStrH2 {
return ps
}
}
ret := make([]string, 0, len(ps)+1)
ret = append(ret, ps...)
return append(ret, alpnProtoStrH2)
}
// CloneTLSConfig returns a shallow clone of the exported
// fields of cfg, ignoring the unexported sync.Once, which
// contains a mutex and must not be copied.
//
// If cfg is nil, a new zero tls.Config is returned.
//
// TODO: inline this function if possible.
func CloneTLSConfig(cfg *tls.Config) *tls.Config {
if cfg == nil {
return &tls.Config{}
}
return cfg.Clone()
}

11
transport/v2raygrpc/server.go
View file

@ -13,7 +13,6 @@ import (
N "github.com/sagernet/sing/common/network"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
gM "google.golang.org/grpc/metadata"
"google.golang.org/grpc/peer"
)
@ -26,15 +25,11 @@ type Server struct {
server *grpc.Server
}
func NewServer(ctx context.Context, options option.V2RayGRPCOptions, tlsConfig tls.Config, handler N.TCPConnectionHandler) (*Server, error) {
func NewServer(ctx context.Context, options option.V2RayGRPCOptions, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler) (*Server, error) {
var serverOptions []grpc.ServerOption
if tlsConfig != nil {
stdConfig, err := tlsConfig.Config()
if err != nil {
return nil, err
}
stdConfig.NextProtos = []string{"h2"}
serverOptions = append(serverOptions, grpc.Creds(credentials.NewTLS(stdConfig)))
tlsConfig.SetNextProtos([]string{"h2"})
serverOptions = append(serverOptions, grpc.Creds(NewTLSTransportCredentials(tlsConfig)))
}
server := &Server{ctx, handler, grpc.NewServer(serverOptions...)}
RegisterGunServiceCustomNameServer(server.server, server, options.ServiceName)

86
transport/v2raygrpc/tls_credentials.go Normal file
View file

@ -0,0 +1,86 @@
package v2raygrpc
import (
"context"
"net"
"os"
"github.com/sagernet/sing-box/common/tls"
internal_credentials "github.com/sagernet/sing-box/transport/v2raygrpc/credentials"
"google.golang.org/grpc/credentials"
)
type TLSTransportCredentials struct {
config tls.Config
}
func NewTLSTransportCredentials(config tls.Config) credentials.TransportCredentials {
return &TLSTransportCredentials{config}
}
func (c *TLSTransportCredentials) Info() credentials.ProtocolInfo {
return credentials.ProtocolInfo{
SecurityProtocol: "tls",
SecurityVersion: "1.2",
ServerName: c.config.ServerName(),
}
}
func (c *TLSTransportCredentials) ClientHandshake(ctx context.Context, authority string, rawConn net.Conn) (net.Conn, credentials.AuthInfo, error) {
cfg := c.config.Clone()
if cfg.ServerName() == "" {
serverName, _, err := net.SplitHostPort(authority)
if err != nil {
serverName = authority
}
cfg.SetServerName(serverName)
}
conn, err := tls.ClientHandshake(ctx, rawConn, cfg)
if err != nil {
return nil, nil, err
}
tlsInfo := credentials.TLSInfo{
State: conn.ConnectionState(),
CommonAuthInfo: credentials.CommonAuthInfo{
SecurityLevel: credentials.PrivacyAndIntegrity,
},
}
id := internal_credentials.SPIFFEIDFromState(conn.ConnectionState())
if id != nil {
tlsInfo.SPIFFEID = id
}
return internal_credentials.WrapSyscallConn(rawConn, conn), tlsInfo, nil
}
func (c *TLSTransportCredentials) ServerHandshake(rawConn net.Conn) (net.Conn, credentials.AuthInfo, error) {
serverConfig, isServer := c.config.(tls.ServerConfig)
if !isServer {
return nil, nil, os.ErrInvalid
}
conn, err := tls.ServerHandshake(context.Background(), rawConn, serverConfig)
if err != nil {
rawConn.Close()
return nil, nil, err
}
tlsInfo := credentials.TLSInfo{
State: conn.ConnectionState(),
CommonAuthInfo: credentials.CommonAuthInfo{
SecurityLevel: credentials.PrivacyAndIntegrity,
},
}
id := internal_credentials.SPIFFEIDFromState(conn.ConnectionState())
if id != nil {
tlsInfo.SPIFFEID = id
}
return internal_credentials.WrapSyscallConn(rawConn, conn), tlsInfo, nil
}
func (c *TLSTransportCredentials) Clone() credentials.TransportCredentials {
return NewTLSTransportCredentials(c.config)
}
func (c *TLSTransportCredentials) OverrideServerName(serverNameOverride string) error {
c.config.SetServerName(serverNameOverride)
return nil
}

2
transport/v2raygrpclite/server.go
View file

@ -34,7 +34,7 @@ func (s *Server) Network() []string {
return []string{N.NetworkTCP}
}
func NewServer(ctx context.Context, options option.V2RayGRPCOptions, tlsConfig tls.Config, handler N.TCPConnectionHandler, errorHandler E.Handler) (*Server, error) {
func NewServer(ctx context.Context, options option.V2RayGRPCOptions, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler, errorHandler E.Handler) (*Server, error) {
server := &Server{
handler: handler,
errorHandler: errorHandler,

2
transport/v2rayhttp/server.go
View file

@ -37,7 +37,7 @@ func (s *Server) Network() []string {
return []string{N.NetworkTCP}
}
func NewServer(ctx context.Context, options option.V2RayHTTPOptions, tlsConfig tls.Config, handler N.TCPConnectionHandler, errorHandler E.Handler) (*Server, error) {
func NewServer(ctx context.Context, options option.V2RayHTTPOptions, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler, errorHandler E.Handler) (*Server, error) {
server := &Server{
ctx: ctx,
handler: handler,

2
transport/v2rayquic/server.go
View file

@ -29,7 +29,7 @@ type Server struct {
quicListener quic.Listener
}
func NewServer(ctx context.Context, options option.V2RayQUICOptions, tlsConfig tls.Config, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
func NewServer(ctx context.Context, options option.V2RayQUICOptions, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler, errorHandler E.Handler) (adapter.V2RayServerTransport, error) {
quicConfig := &quic.Config{
DisablePathMTUDiscovery: !C.IsLinux && !C.IsWindows,
}

2
transport/v2raywebsocket/server.go
View file

@ -34,7 +34,7 @@ type Server struct {
earlyDataHeaderName string
}
func NewServer(ctx context.Context, options option.V2RayWebsocketOptions, tlsConfig tls.Config, handler N.TCPConnectionHandler, errorHandler E.Handler) (*Server, error) {
func NewServer(ctx context.Context, options option.V2RayWebsocketOptions, tlsConfig tls.ServerConfig, handler N.TCPConnectionHandler, errorHandler E.Handler) (*Server, error) {
server := &Server{
ctx: ctx,
handler: handler,