envoy.extensions.transport_sockets.starttls.v3.starttls.proto Maven / Gradle / Ivy

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syntax = "proto3";

package envoy.extensions.transport_sockets.starttls.v3;

import "envoy/extensions/transport_sockets/raw_buffer/v3/raw_buffer.proto";
import "envoy/extensions/transport_sockets/tls/v3/tls.proto";

import "udpa/annotations/status.proto";
import "validate/validate.proto";

option java_package = "io.envoyproxy.envoy.extensions.transport_sockets.starttls.v3";
option java_outer_classname = "StarttlsProto";
option java_multiple_files = true;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/extensions/transport_sockets/starttls/v3;starttlsv3";
option (udpa.annotations.file_status).package_version_status = ACTIVE;

// [#protodoc-title: StartTls]
// [#extension: envoy.transport_sockets.starttls]

// StartTls transport socket addresses situations when a protocol starts in clear-text and
// negotiates an in-band switch to TLS. StartTls transport socket is protocol agnostic. In the
// case of downstream StartTls a network filter is required which understands protocol exchange
// and a state machine to signal to the StartTls transport socket when a switch to TLS is
// required. Similarly, upstream StartTls requires the owner of an upstream transport socket to
// manage the state machine necessary to properly coordinate negotiation with the upstream and
// signal to the transport socket when a switch to secure transport is required.

// Configuration for a downstream StartTls transport socket.
// StartTls transport socket wraps two sockets:
// * raw_buffer socket which is used at the beginning of the session
// * TLS socket used when a protocol negotiates a switch to encrypted traffic.
message StartTlsConfig {
  // (optional) Configuration for clear-text socket used at the beginning of the session.
  raw_buffer.v3.RawBuffer cleartext_socket_config = 1;

  // Configuration for a downstream TLS socket.
  transport_sockets.tls.v3.DownstreamTlsContext tls_socket_config = 2
      [(validate.rules).message = {required: true}];
}

// Configuration for an upstream StartTls transport socket.
// StartTls transport socket wraps two sockets:
// * raw_buffer socket which is used at the beginning of the session
// * TLS socket used when a protocol negotiates a switch to encrypted traffic.
message UpstreamStartTlsConfig {
  // (optional) Configuration for clear-text socket used at the beginning of the session.
  raw_buffer.v3.RawBuffer cleartext_socket_config = 1;

  // Configuration for an upstream TLS socket.
  transport_sockets.tls.v3.UpstreamTlsContext tls_socket_config = 2
      [(validate.rules).message = {required: true}];
}