//
//
// Copyright 2015 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.
//
//

#ifndef GRPC_CORE_TSI_FAKE_TRANSPORT_SECURITY_H
#define GRPC_CORE_TSI_FAKE_TRANSPORT_SECURITY_H

#include <grpc/support/port_platform.h>

#include "src/core/lib/slice/slice_internal.h"
#include "src/core/tsi/transport_security_interface.h"

// Value for the TSI_CERTIFICATE_TYPE_PEER_PROPERTY property for FAKE certs.
#define TSI_FAKE_CERTIFICATE_TYPE "FAKE"
// Value of the TSI_SECURITY_LEVEL_PEER_PROPERTY property for FAKE certs.
#define TSI_FAKE_SECURITY_LEVEL "TSI_SECURITY_NONE"

// Creates a fake handshaker that will create a fake frame protector.

// No cryptography is performed in these objects. They just simulate handshake
// messages going back and forth for the handshaker and do some framing on
// cleartext data for the protector.
tsi_handshaker* tsi_create_fake_handshaker(int is_client);

// Creates a protector directly without going through the handshake phase.
tsi_frame_protector* tsi_create_fake_frame_protector(
    size_t* max_protected_frame_size);

// Creates a zero-copy protector directly without going through the handshake
// phase.
tsi_zero_copy_grpc_protector* tsi_create_fake_zero_copy_grpc_protector(
    size_t* max_protected_frame_size);

// Given a buffer containing slices encrypted by a fake_zero_copy_protector
// it parses these protected slices to return the total frame size of the first
// contained frame
uint32_t tsi_fake_zero_copy_grpc_protector_next_frame_size(
    const grpc_slice_buffer* protected_slices);
#endif  // GRPC_CORE_TSI_FAKE_TRANSPORT_SECURITY_H