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/*
*
* Copyright 2014, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef __TRANSPORT_SECURITY_TEST_LIB_H_
#define __TRANSPORT_SECURITY_TEST_LIB_H_
#include <memory>
#include "base/commandlineflags.h"
#include "src/core/tsi/transport_security_interface.h"
#include "strings/strcat.h"
#include <gtest/gtest.h>
#include "util/random/mt_random.h"
namespace tsi {
namespace test {
class TestConfig {
public:
TestConfig()
: client_message("Chapi Chapo"),
server_message("Chapi Chapo"),
handshake_buffer_size(4096),
read_buffer_allocated_size(4096),
message_buffer_allocated_size(4096),
protected_buffer_size(16384),
use_client_default_max_output_protected_frame_size_(true),
use_server_default_max_output_protected_frame_size_(true),
client_max_output_protected_frame_size_(0),
server_max_output_protected_frame_size_(0) {}
void set_client_max_output_protected_frame_size(unsigned int size) {
use_client_default_max_output_protected_frame_size_ = false;
client_max_output_protected_frame_size_ = size;
}
void set_server_max_output_protected_frame_size(unsigned int size) {
use_server_default_max_output_protected_frame_size_ = false;
server_max_output_protected_frame_size_ = size;
}
bool use_client_default_max_output_protected_frame_size() const {
return use_client_default_max_output_protected_frame_size_;
}
bool use_server_default_max_output_protected_frame_size() const {
return use_server_default_max_output_protected_frame_size_;
}
unsigned int client_max_output_protected_frame_size() const {
return client_max_output_protected_frame_size_;
}
unsigned int server_max_output_protected_frame_size() const {
return server_max_output_protected_frame_size_;
}
string client_message;
string server_message;
unsigned int handshake_buffer_size;
unsigned int read_buffer_allocated_size;
unsigned int message_buffer_allocated_size;
unsigned int protected_buffer_size;
private:
bool use_client_default_max_output_protected_frame_size_;
bool use_server_default_max_output_protected_frame_size_;
unsigned int client_max_output_protected_frame_size_;
unsigned int server_max_output_protected_frame_size_;
};
struct TsiHandshakerDeleter {
inline void operator()(tsi_handshaker* ptr) { tsi_handshaker_destroy(ptr); }
};
typedef std::unique_ptr<tsi_handshaker, TsiHandshakerDeleter>
TsiHandshakerUniquePtr;
class TransportSecurityTest : public ::testing::Test {
protected:
TransportSecurityTest();
virtual ~TransportSecurityTest() {}
virtual const TestConfig* config() = 0;
string RandomString(int size);
virtual void SetupHandshakers() = 0;
// An implementation-specific verification of the validity of the handshake.
virtual void CheckHandshakeResults() = 0;
// Do a full handshake.
void PerformHandshake();
// Send a protected message between the client and server.
void SendMessageToPeer(bool is_client, tsi_frame_protector* protector,
const string& message,
unsigned int protected_buffer_size);
void ReceiveMessageFromPeer(bool is_client, tsi_frame_protector* protector,
unsigned int read_buf_allocated_size,
unsigned int message_buf_allocated_size,
string* message);
// A simple test that does a handshake and sends a message back and forth
void PingPong();
// A complicated test that can be configured by modifying config().
void DoRoundTrip();
TsiHandshakerUniquePtr client_handshaker_;
TsiHandshakerUniquePtr server_handshaker_;
string small_message_;
string big_message_;
std::unique_ptr<RandomBase> random_;
private:
// Functions to send raw bytes between the client and server.
void SendBytesToPeer(bool is_client, unsigned char* buf,
unsigned int buf_size);
void ReadBytesFromPeer(bool is_client, unsigned char* buf,
unsigned int* buf_size);
// Do a single step of the handshake.
void DoHandshakeStep(bool is_client, unsigned int buf_allocated_size,
tsi_handshaker* handshaker, string* remaining_bytes);
void DoRoundTrip(const string& request, const string& response);
string to_server_channel_;
string to_client_channel_;
};
} // namespace test
} // namespace tsi
#endif // __TRANSPORT_SECURITY_TEST_LIB_H_
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