// sets up TLS for the GRPC connection to notary-signer
func grpcTLS(configuration *viper.Viper) (*tls.Config, error) {
rootCA := utils.GetPathRelativeToConfig(configuration, "trust_service.tls_ca_file")
clientCert := utils.GetPathRelativeToConfig(configuration, "trust_service.tls_client_cert")
clientKey := utils.GetPathRelativeToConfig(configuration, "trust_service.tls_client_key")
if clientCert == "" && clientKey != "" || clientCert != "" && clientKey == "" {
return nil, fmt.Errorf("either pass both client key and cert, or neither")
}
tlsConfig, err := tlsconfig.Client(tlsconfig.Options{
CAFile: rootCA,
CertFile: clientCert,
KeyFile: clientKey,
})
if err != nil {
return nil, fmt.Errorf(
"Unable to configure TLS to the trust service: %s", err.Error())
}
return tlsConfig, nil
}
// getTransport returns an http.RoundTripper to be used for all http requests.
// It correctly handles the auth challenge/credentials required to interact
// with a notary server over both HTTP Basic Auth and the JWT auth implemented
// in the notary-server
// The readOnly flag indicates if the operation should be performed as an
// anonymous read only operation. If the command entered requires write
// permissions on the server, readOnly must be false
func getTransport(config *viper.Viper, gun string, readOnly bool) (http.RoundTripper, error) {
// Attempt to get a root CA from the config file. Nil is the host defaults.
rootCAFile := utils.GetPathRelativeToConfig(config, "remote_server.root_ca")
clientCert := utils.GetPathRelativeToConfig(config, "remote_server.tls_client_cert")
clientKey := utils.GetPathRelativeToConfig(config, "remote_server.tls_client_key")
insecureSkipVerify := false
if config.IsSet("remote_server.skipTLSVerify") {
insecureSkipVerify = config.GetBool("remote_server.skipTLSVerify")
}
if clientCert == "" && clientKey != "" || clientCert != "" && clientKey == "" {
return nil, fmt.Errorf("either pass both client key and cert, or neither")
}
tlsConfig, err := tlsconfig.Client(tlsconfig.Options{
CAFile: rootCAFile,
InsecureSkipVerify: insecureSkipVerify,
CertFile: clientCert,
KeyFile: clientKey,
})
if err != nil {
return nil, fmt.Errorf("unable to configure TLS: %s", err.Error())
}
base := &http.Transport{
Proxy: http.ProxyFromEnvironment,
Dial: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
DualStack: true,
}).Dial,
TLSHandshakeTimeout: 10 * time.Second,
TLSClientConfig: tlsConfig,
DisableKeepAlives: true,
}
trustServerURL := getRemoteTrustServer(config)
return tokenAuth(trustServerURL, base, gun, readOnly)
}
// sets up TLS for the GRPC connection to notary-signer
func grpcTLS(configuration *viper.Viper) (*tls.Config, error) {
rootCA := utils.GetPathRelativeToConfig(configuration, "trust_service.tls_ca_file")
serverName := configuration.GetString("trust_service.hostname")
clientCert := utils.GetPathRelativeToConfig(configuration, "trust_service.tls_client_cert")
clientKey := utils.GetPathRelativeToConfig(configuration, "trust_service.tls_client_key")
if (clientCert == "" && clientKey != "") || (clientCert != "" && clientKey == "") {
return nil, fmt.Errorf("Partial TLS configuration found. Either include both a client cert and client key file in the configuration, or include neither.")
}
tlsConfig, err := utils.ConfigureClientTLS(&utils.ClientTLSOpts{
RootCAFile: rootCA,
ServerName: serverName,
ClientCertFile: clientCert,
ClientKeyFile: clientKey,
})
if err != nil {
return nil, fmt.Errorf(
"Unable to configure TLS to the trust service: %s", err.Error())
}
return tlsConfig, nil
}