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fix: REALITY with gRPC transport

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This commit is contained in:
H1JK
2023-03-10 10:01:05 +08:00
parent c0fc5d142f
commit dca98b7aa1
4 changed files with 50 additions and 29 deletions
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42
transport/gun/gun.go
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@ -20,6 +20,7 @@ import (
"github.com/Dreamacro/clash/common/buf"
"github.com/Dreamacro/clash/common/pool"
tlsC "github.com/Dreamacro/clash/component/tls"
"go.uber.org/atomic"
"golang.org/x/net/http2"
)
@ -189,7 +190,7 @@ func (g *Conn) SetDeadline(t time.Time) error {
return nil
}
func NewHTTP2Client(dialFn DialFn, tlsConfig *tls.Config, Fingerprint string) *TransportWrap {
func NewHTTP2Client(dialFn DialFn, tlsConfig *tls.Config, Fingerprint string, realityConfig *tlsC.RealityConfig) *TransportWrap {
wrap := TransportWrap{}
dialFunc := func(ctx context.Context, network, addr string, cfg *tls.Config) (net.Conn, error) {
@ -201,20 +202,37 @@ func NewHTTP2Client(dialFn DialFn, tlsConfig *tls.Config, Fingerprint string) *T
wrap.remoteAddr = pconn.RemoteAddr()
if len(Fingerprint) != 0 {
if fingerprint, exists := tlsC.GetFingerprint(Fingerprint); exists {
utlsConn := tlsC.UClient(pconn, cfg, fingerprint)
if err := utlsConn.(*tlsC.UConn).HandshakeContext(ctx); err != nil {
if realityConfig == nil {
if fingerprint, exists := tlsC.GetFingerprint(Fingerprint); exists {
utlsConn := tlsC.UClient(pconn, cfg, fingerprint)
if err := utlsConn.(*tlsC.UConn).HandshakeContext(ctx); err != nil {
pconn.Close()
return nil, err
}
state := utlsConn.(*tlsC.UConn).ConnectionState()
if p := state.NegotiatedProtocol; p != http2.NextProtoTLS {
utlsConn.Close()
return nil, fmt.Errorf("http2: unexpected ALPN protocol %s, want %s", p, http2.NextProtoTLS)
}
return utlsConn, nil
}
} else {
realityConn, err := tlsC.GetRealityConn(ctx, pconn, Fingerprint, tlsConfig, realityConfig)
if err != nil {
pconn.Close()
return nil, err
}
state := utlsConn.(*tlsC.UConn).ConnectionState()
if p := state.NegotiatedProtocol; p != http2.NextProtoTLS {
utlsConn.Close()
return nil, fmt.Errorf("http2: unexpected ALPN protocol %s, want %s", p, http2.NextProtoTLS)
}
return utlsConn, nil
//state := realityConn.(*utls.UConn).ConnectionState()
//if p := state.NegotiatedProtocol; p != http2.NextProtoTLS {
// realityConn.Close()
// return nil, fmt.Errorf("http2: unexpected ALPN protocol %s, want %s", p, http2.NextProtoTLS)
//}
return realityConn, nil
}
}
if realityConfig != nil {
return nil, errors.New("REALITY is based on uTLS, please set a client-fingerprint")
}
conn := tls.Client(pconn, cfg)
if err := conn.HandshakeContext(ctx); err != nil {
@ -274,11 +292,11 @@ func StreamGunWithTransport(transport *TransportWrap, cfg *Config) (net.Conn, er
return conn, nil
}
func StreamGunWithConn(conn net.Conn, tlsConfig *tls.Config, cfg *Config) (net.Conn, error) {
func StreamGunWithConn(conn net.Conn, tlsConfig *tls.Config, cfg *Config, realityConfig *tlsC.RealityConfig) (net.Conn, error) {
dialFn := func(network, addr string) (net.Conn, error) {
return conn, nil
}
transport := NewHTTP2Client(dialFn, tlsConfig, cfg.ClientFingerprint)
transport := NewHTTP2Client(dialFn, tlsConfig, cfg.ClientFingerprint, realityConfig)
return StreamGunWithTransport(transport, cfg)
}