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diff --git a/test/core/tsi/alts/fake_handshaker/handshaker.proto b/test/core/tsi/alts/fake_handshaker/handshaker.proto
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-// 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.
-
-syntax = "proto3";
-
-import "test/core/tsi/alts/fake_handshaker/transport_security_common.proto";
-
-package grpc.gcp;
-
-option java_package = "io.grpc.alts.internal";
-
-enum HandshakeProtocol {
- // Default value.
- HANDSHAKE_PROTOCOL_UNSPECIFIED = 0;
-
- // TLS handshake protocol.
- TLS = 1;
-
- // Application Layer Transport Security handshake protocol.
- ALTS = 2;
-}
-
-enum NetworkProtocol {
- NETWORK_PROTOCOL_UNSPECIFIED = 0;
- TCP = 1;
- UDP = 2;
-}
-
-message Endpoint {
- // IP address. It should contain an IPv4 or IPv6 string literal, e.g.
- // "192.168.0.1" or "2001:db8::1".
- string ip_address = 1;
-
- // Port number.
- int32 port = 2;
-
- // Network protocol (e.g., TCP, UDP) associated with this endpoint.
- NetworkProtocol protocol = 3;
-}
-
-message Identity {
- oneof identity_oneof {
- // Service account of a connection endpoint.
- string service_account = 1;
-
- // Hostname of a connection endpoint.
- string hostname = 2;
- }
-}
-
-message StartClientHandshakeReq {
- // Handshake security protocol requested by the client.
- HandshakeProtocol handshake_security_protocol = 1;
-
- // The application protocols supported by the client, e.g., "h2" (for http2),
- // "grpc".
- repeated string application_protocols = 2;
-
- // The record protocols supported by the client, e.g.,
- // "ALTSRP_GCM_AES128".
- repeated string record_protocols = 3;
-
- // (Optional) Describes which server identities are acceptable by the client.
- // If target identities are provided and none of them matches the peer
- // identity of the server, handshake will fail.
- repeated Identity target_identities = 4;
-
- // (Optional) Application may specify a local identity. Otherwise, the
- // handshaker chooses a default local identity.
- Identity local_identity = 5;
-
- // (Optional) Local endpoint information of the connection to the server,
- // such as local IP address, port number, and network protocol.
- Endpoint local_endpoint = 6;
-
- // (Optional) Endpoint information of the remote server, such as IP address,
- // port number, and network protocol.
- Endpoint remote_endpoint = 7;
-
- // (Optional) If target name is provided, a secure naming check is performed
- // to verify that the peer authenticated identity is indeed authorized to run
- // the target name.
- string target_name = 8;
-
- // (Optional) RPC protocol versions supported by the client.
- RpcProtocolVersions rpc_versions = 9;
-}
-
-message ServerHandshakeParameters {
- // The record protocols supported by the server, e.g.,
- // "ALTSRP_GCM_AES128".
- repeated string record_protocols = 1;
-
- // (Optional) A list of local identities supported by the server, if
- // specified. Otherwise, the handshaker chooses a default local identity.
- repeated Identity local_identities = 2;
-}
-
-message StartServerHandshakeReq {
- // The application protocols supported by the server, e.g., "h2" (for http2),
- // "grpc".
- repeated string application_protocols = 1;
-
- // Handshake parameters (record protocols and local identities supported by
- // the server) mapped by the handshake protocol. Each handshake security
- // protocol (e.g., TLS or ALTS) has its own set of record protocols and local
- // identities. Since protobuf does not support enum as key to the map, the key
- // to handshake_parameters is the integer value of HandshakeProtocol enum.
- map<int32, ServerHandshakeParameters> handshake_parameters = 2;
-
- // Bytes in out_frames returned from the peer's HandshakerResp. It is possible
- // that the peer's out_frames are split into multiple HandshakReq messages.
- bytes in_bytes = 3;
-
- // (Optional) Local endpoint information of the connection to the client,
- // such as local IP address, port number, and network protocol.
- Endpoint local_endpoint = 4;
-
- // (Optional) Endpoint information of the remote client, such as IP address,
- // port number, and network protocol.
- Endpoint remote_endpoint = 5;
-
- // (Optional) RPC protocol versions supported by the server.
- RpcProtocolVersions rpc_versions = 6;
-}
-
-message NextHandshakeMessageReq {
- // Bytes in out_frames returned from the peer's HandshakerResp. It is possible
- // that the peer's out_frames are split into multiple NextHandshakerMessageReq
- // messages.
- bytes in_bytes = 1;
-}
-
-message HandshakerReq {
- oneof req_oneof {
- // The start client handshake request message.
- StartClientHandshakeReq client_start = 1;
-
- // The start server handshake request message.
- StartServerHandshakeReq server_start = 2;
-
- // The next handshake request message.
- NextHandshakeMessageReq next = 3;
- }
-}
-
-message HandshakerResult {
- // The application protocol negotiated for this connection.
- string application_protocol = 1;
-
- // The record protocol negotiated for this connection.
- string record_protocol = 2;
-
- // Cryptographic key data. The key data may be more than the key length
- // required for the record protocol, thus the client of the handshaker
- // service needs to truncate the key data into the right key length.
- bytes key_data = 3;
-
- // The authenticated identity of the peer.
- Identity peer_identity = 4;
-
- // The local identity used in the handshake.
- Identity local_identity = 5;
-
- // Indicate whether the handshaker service client should keep the channel
- // between the handshaker service open, e.g., in order to handle
- // post-handshake messages in the future.
- bool keep_channel_open = 6;
-
- // The RPC protocol versions supported by the peer.
- RpcProtocolVersions peer_rpc_versions = 7;
-}
-
-message HandshakerStatus {
- // The status code. This could be the gRPC status code.
- uint32 code = 1;
-
- // The status details.
- string details = 2;
-}
-
-message HandshakerResp {
- // Frames to be given to the peer for the NextHandshakeMessageReq. May be
- // empty if no out_frames have to be sent to the peer or if in_bytes in the
- // HandshakerReq are incomplete. All the non-empty out frames must be sent to
- // the peer even if the handshaker status is not OK as these frames may
- // contain the alert frames.
- bytes out_frames = 1;
-
- // Number of bytes in the in_bytes consumed by the handshaker. It is possible
- // that part of in_bytes in HandshakerReq was unrelated to the handshake
- // process.
- uint32 bytes_consumed = 2;
-
- // This is set iff the handshake was successful. out_frames may still be set
- // to frames that needs to be forwarded to the peer.
- HandshakerResult result = 3;
-
- // Status of the handshaker.
- HandshakerStatus status = 4;
-}
-
-service HandshakerService {
- // Handshaker service accepts a stream of handshaker request, returning a
- // stream of handshaker response. Client is expected to send exactly one
- // message with either client_start or server_start followed by one or more
- // messages with next. Each time client sends a request, the handshaker
- // service expects to respond. Client does not have to wait for service's
- // response before sending next request.
- rpc DoHandshake(stream HandshakerReq)
- returns (stream HandshakerResp) {
- }
-}