diff options
Diffstat (limited to 'vendor/google.golang.org/grpc/credentials/tls.go')
| -rw-r--r-- | vendor/google.golang.org/grpc/credentials/tls.go | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/vendor/google.golang.org/grpc/credentials/tls.go b/vendor/google.golang.org/grpc/credentials/tls.go deleted file mode 100644 index 877b7cd..0000000 --- a/vendor/google.golang.org/grpc/credentials/tls.go +++ /dev/null @@ -1,236 +0,0 @@ -/* - * - * Copyright 2014 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" - "crypto/tls" - "crypto/x509" - "fmt" - "net" - "net/url" - "os" - - credinternal "google.golang.org/grpc/internal/credentials" -) - -// TLSInfo contains the auth information for a TLS authenticated connection. -// It implements the AuthInfo interface. -type TLSInfo struct { - State tls.ConnectionState - CommonAuthInfo - // This API is experimental. - SPIFFEID *url.URL -} - -// AuthType returns the type of TLSInfo as a string. -func (t TLSInfo) AuthType() string { - return "tls" -} - -// GetSecurityValue returns security info requested by channelz. -func (t TLSInfo) GetSecurityValue() ChannelzSecurityValue { - v := &TLSChannelzSecurityValue{ - StandardName: cipherSuiteLookup[t.State.CipherSuite], - } - // Currently there's no way to get LocalCertificate info from tls package. - if len(t.State.PeerCertificates) > 0 { - v.RemoteCertificate = t.State.PeerCertificates[0].Raw - } - return v -} - -// tlsCreds is the credentials required for authenticating a connection using TLS. -type tlsCreds struct { - // TLS configuration - config *tls.Config -} - -func (c tlsCreds) Info() ProtocolInfo { - return ProtocolInfo{ - SecurityProtocol: "tls", - SecurityVersion: "1.2", - ServerName: c.config.ServerName, - } -} - -func (c *tlsCreds) ClientHandshake(ctx context.Context, authority string, rawConn net.Conn) (_ net.Conn, _ AuthInfo, err error) { - // use local cfg to avoid clobbering ServerName if using multiple endpoints - cfg := credinternal.CloneTLSConfig(c.config) - if cfg.ServerName == "" { - serverName, _, err := net.SplitHostPort(authority) - if err != nil { - // If the authority had no host port or if the authority cannot be parsed, use it as-is. - serverName = authority - } - cfg.ServerName = serverName - } - conn := tls.Client(rawConn, cfg) - errChannel := make(chan error, 1) - go func() { - errChannel <- conn.Handshake() - close(errChannel) - }() - select { - case err := <-errChannel: - if err != nil { - conn.Close() - return nil, nil, err - } - case <-ctx.Done(): - conn.Close() - return nil, nil, ctx.Err() - } - tlsInfo := TLSInfo{ - State: conn.ConnectionState(), - CommonAuthInfo: CommonAuthInfo{ - SecurityLevel: PrivacyAndIntegrity, - }, - } - id := credinternal.SPIFFEIDFromState(conn.ConnectionState()) - if id != nil { - tlsInfo.SPIFFEID = id - } - return credinternal.WrapSyscallConn(rawConn, conn), tlsInfo, nil -} - -func (c *tlsCreds) ServerHandshake(rawConn net.Conn) (net.Conn, AuthInfo, error) { - conn := tls.Server(rawConn, c.config) - if err := conn.Handshake(); err != nil { - conn.Close() - return nil, nil, err - } - tlsInfo := TLSInfo{ - State: conn.ConnectionState(), - CommonAuthInfo: CommonAuthInfo{ - SecurityLevel: PrivacyAndIntegrity, - }, - } - id := credinternal.SPIFFEIDFromState(conn.ConnectionState()) - if id != nil { - tlsInfo.SPIFFEID = id - } - return credinternal.WrapSyscallConn(rawConn, conn), tlsInfo, nil -} - -func (c *tlsCreds) Clone() TransportCredentials { - return NewTLS(c.config) -} - -func (c *tlsCreds) OverrideServerName(serverNameOverride string) error { - c.config.ServerName = serverNameOverride - return nil -} - -// NewTLS uses c to construct a TransportCredentials based on TLS. -func NewTLS(c *tls.Config) TransportCredentials { - tc := &tlsCreds{credinternal.CloneTLSConfig(c)} - tc.config.NextProtos = credinternal.AppendH2ToNextProtos(tc.config.NextProtos) - return tc -} - -// NewClientTLSFromCert constructs TLS credentials from the provided root -// certificate authority certificate(s) to validate server connections. If -// certificates to establish the identity of the client need to be included in -// the credentials (eg: for mTLS), use NewTLS instead, where a complete -// tls.Config can be specified. -// serverNameOverride is for testing only. If set to a non empty string, -// it will override the virtual host name of authority (e.g. :authority header -// field) in requests. -func NewClientTLSFromCert(cp *x509.CertPool, serverNameOverride string) TransportCredentials { - return NewTLS(&tls.Config{ServerName: serverNameOverride, RootCAs: cp}) -} - -// NewClientTLSFromFile constructs TLS credentials from the provided root -// certificate authority certificate file(s) to validate server connections. If -// certificates to establish the identity of the client need to be included in -// the credentials (eg: for mTLS), use NewTLS instead, where a complete -// tls.Config can be specified. -// serverNameOverride is for testing only. If set to a non empty string, -// it will override the virtual host name of authority (e.g. :authority header -// field) in requests. -func NewClientTLSFromFile(certFile, serverNameOverride string) (TransportCredentials, error) { - b, err := os.ReadFile(certFile) - if err != nil { - return nil, err - } - cp := x509.NewCertPool() - if !cp.AppendCertsFromPEM(b) { - return nil, fmt.Errorf("credentials: failed to append certificates") - } - return NewTLS(&tls.Config{ServerName: serverNameOverride, RootCAs: cp}), nil -} - -// NewServerTLSFromCert constructs TLS credentials from the input certificate for server. -func NewServerTLSFromCert(cert *tls.Certificate) TransportCredentials { - return NewTLS(&tls.Config{Certificates: []tls.Certificate{*cert}}) -} - -// NewServerTLSFromFile constructs TLS credentials from the input certificate file and key -// file for server. -func NewServerTLSFromFile(certFile, keyFile string) (TransportCredentials, error) { - cert, err := tls.LoadX509KeyPair(certFile, keyFile) - if err != nil { - return nil, err - } - return NewTLS(&tls.Config{Certificates: []tls.Certificate{cert}}), nil -} - -// TLSChannelzSecurityValue defines the struct that TLS protocol should return -// from GetSecurityValue(), containing security info like cipher and certificate used. -// -// # Experimental -// -// Notice: This type is EXPERIMENTAL and may be changed or removed in a -// later release. -type TLSChannelzSecurityValue struct { - ChannelzSecurityValue - StandardName string - LocalCertificate []byte - RemoteCertificate []byte -} - -var cipherSuiteLookup = map[uint16]string{ - tls.TLS_RSA_WITH_RC4_128_SHA: "TLS_RSA_WITH_RC4_128_SHA", - tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA: "TLS_RSA_WITH_3DES_EDE_CBC_SHA", - tls.TLS_RSA_WITH_AES_128_CBC_SHA: "TLS_RSA_WITH_AES_128_CBC_SHA", - tls.TLS_RSA_WITH_AES_256_CBC_SHA: "TLS_RSA_WITH_AES_256_CBC_SHA", - tls.TLS_RSA_WITH_AES_128_GCM_SHA256: "TLS_RSA_WITH_AES_128_GCM_SHA256", - tls.TLS_RSA_WITH_AES_256_GCM_SHA384: "TLS_RSA_WITH_AES_256_GCM_SHA384", - tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA: "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA", - tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA: "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA", - tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA: "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA", - tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA: "TLS_ECDHE_RSA_WITH_RC4_128_SHA", - tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA: "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA", - tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA: "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA", - tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA: "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA", - tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256: "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256", - tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256: "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256", - tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384: "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384", - tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384: "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384", - tls.TLS_FALLBACK_SCSV: "TLS_FALLBACK_SCSV", - tls.TLS_RSA_WITH_AES_128_CBC_SHA256: "TLS_RSA_WITH_AES_128_CBC_SHA256", - tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256: "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256", - tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256: "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256", - tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305: "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305", - tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305: "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305", - tls.TLS_AES_128_GCM_SHA256: "TLS_AES_128_GCM_SHA256", - tls.TLS_AES_256_GCM_SHA384: "TLS_AES_256_GCM_SHA384", - tls.TLS_CHACHA20_POLY1305_SHA256: "TLS_CHACHA20_POLY1305_SHA256", -} |