barrier/src/test/unittests/synergy/CCryptoStreamTests.cpp

288 lines
8.2 KiB
C++

/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2013 Bolton Software Ltd.
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file COPYING that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtest/gtest.h>
#include "CCryptoStream.h"
#include "CMockStream.h"
#include "CMockEventQueue.h"
#include "CPacketStreamFilter.h"
using ::testing::_;
using ::testing::Invoke;
using namespace std;
void write_assertWrite(const void* in, UInt32 n);
UInt8 read_mockRead(void* out, UInt32 n);
void write4Read1_mockWrite(const void* in, UInt32 n);
UInt8 write4Read1_mockRead(void* out, UInt32 n);
void write1Read4_mockWrite(const void* in, UInt32 n);
UInt8 write1Read4_mockRead(void* out, UInt32 n);
void readWriteIVChanged_mockWrite(const void* in, UInt32 n);
UInt8 readWriteIVChanged_mockRead(void* out, UInt32 n);
UInt8 g_write4Read1_buffer[4];
UInt32 g_write4Read1_bufferIndex = 0;
UInt8 g_write1Read4_buffer[4];
UInt32 g_write1Read4_bufferIndex = 0;
UInt8 g_readWriteIVChanged_buffer[4];
const byte g_key[] = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; // +\0, 32-byte/256-bit key.
const byte g_iv[] = "bbbbbbbbbbbbbbb"; // +\0, AES block size = 16
TEST(CCryptoTests, write)
{
const UInt32 size = 4;
UInt8* buffer = new UInt8[size];
buffer[0] = 'D';
buffer[1] = 'K';
buffer[2] = 'D';
buffer[3] = 'N';
CMockEventQueue eventQueue;
CMockStream innerStream(eventQueue);
ON_CALL(innerStream, write(_, _)).WillByDefault(Invoke(write_assertWrite));
EXPECT_CALL(innerStream, write(_, _)).Times(1);
EXPECT_CALL(innerStream, getEventTarget()).Times(3);
EXPECT_CALL(eventQueue, removeHandlers(_)).Times(1);
EXPECT_CALL(eventQueue, adoptHandler(_, _, _)).Times(1);
EXPECT_CALL(eventQueue, removeHandler(_, _)).Times(1);
CCryptoStream cs(eventQueue, &innerStream, false);
cs.setKeyWithIV(g_key, sizeof(g_key), g_iv);
cs.write(buffer, size);
}
TEST(CCryptoTests, read)
{
CMockEventQueue eventQueue;
CMockStream innerStream(eventQueue);
ON_CALL(innerStream, read(_, _)).WillByDefault(Invoke(read_mockRead));
EXPECT_CALL(innerStream, read(_, _)).Times(1);
EXPECT_CALL(innerStream, getEventTarget()).Times(3);
EXPECT_CALL(eventQueue, removeHandlers(_)).Times(1);
EXPECT_CALL(eventQueue, adoptHandler(_, _, _)).Times(1);
EXPECT_CALL(eventQueue, removeHandler(_, _)).Times(1);
CCryptoStream cs(eventQueue, &innerStream, false);
cs.setKeyWithIV(g_key, sizeof(g_key), g_iv);
const UInt32 size = 4;
UInt8* buffer = new UInt8[size];
cs.read(buffer, size);
EXPECT_EQ('D', buffer[0]);
EXPECT_EQ('K', buffer[1]);
EXPECT_EQ('D', buffer[2]);
EXPECT_EQ('N', buffer[3]);
}
TEST(CCryptoTests, write4Read1)
{
CMockEventQueue eventQueue;
CMockStream innerStream(eventQueue);
ON_CALL(innerStream, write(_, _)).WillByDefault(Invoke(write4Read1_mockWrite));
ON_CALL(innerStream, read(_, _)).WillByDefault(Invoke(write4Read1_mockRead));
EXPECT_CALL(innerStream, write(_, _)).Times(4);
EXPECT_CALL(innerStream, read(_, _)).Times(1);
EXPECT_CALL(innerStream, getEventTarget()).Times(6);
EXPECT_CALL(eventQueue, removeHandlers(_)).Times(2);
EXPECT_CALL(eventQueue, adoptHandler(_, _, _)).Times(2);
EXPECT_CALL(eventQueue, removeHandler(_, _)).Times(2);
CCryptoStream cs1(eventQueue, &innerStream, false);
cs1.setKeyWithIV(g_key, sizeof(g_key), g_iv);
cs1.write("a", 1);
cs1.write("b", 1);
cs1.write("c", 1);
cs1.write("d", 1);
CCryptoStream cs2(eventQueue, &innerStream, false);
cs2.setKeyWithIV(g_key, sizeof(g_key), g_iv);
UInt8 buffer[4];
cs2.read(buffer, 4);
EXPECT_EQ('a', buffer[0]);
EXPECT_EQ('b', buffer[1]);
EXPECT_EQ('c', buffer[2]);
EXPECT_EQ('d', buffer[3]);
}
TEST(CCryptoTests, write1Read4)
{
CMockEventQueue eventQueue;
CMockStream innerStream(eventQueue);
ON_CALL(innerStream, write(_, _)).WillByDefault(Invoke(write1Read4_mockWrite));
ON_CALL(innerStream, read(_, _)).WillByDefault(Invoke(write1Read4_mockRead));
EXPECT_CALL(innerStream, write(_, _)).Times(1);
EXPECT_CALL(innerStream, read(_, _)).Times(4);
EXPECT_CALL(innerStream, getEventTarget()).Times(6);
EXPECT_CALL(eventQueue, removeHandlers(_)).Times(2);
EXPECT_CALL(eventQueue, adoptHandler(_, _, _)).Times(2);
EXPECT_CALL(eventQueue, removeHandler(_, _)).Times(2);
CCryptoStream cs1(eventQueue, &innerStream, false);
cs1.setKeyWithIV(g_key, sizeof(g_key), g_iv);
UInt8 bufferIn[4];
bufferIn[0] = 'a';
bufferIn[1] = 'b';
bufferIn[2] = 'c';
bufferIn[3] = 'd';
cs1.write(bufferIn, 4);
CCryptoStream cs2(eventQueue, &innerStream, false);
cs2.setKeyWithIV(g_key, sizeof(g_key), g_iv);
UInt8 bufferOut[4];
cs2.read(&bufferOut[0], 1);
cs2.read(&bufferOut[1], 1);
cs2.read(&bufferOut[2], 1);
cs2.read(&bufferOut[3], 1);
EXPECT_EQ('a', bufferOut[0]);
EXPECT_EQ('b', bufferOut[1]);
EXPECT_EQ('c', bufferOut[2]);
EXPECT_EQ('d', bufferOut[3]);
}
TEST(CCryptoTests, readWriteIVChanged)
{
CMockEventQueue eventQueue;
CMockStream innerStream(eventQueue);
ON_CALL(innerStream, write(_, _)).WillByDefault(Invoke(readWriteIVChanged_mockWrite));
ON_CALL(innerStream, read(_, _)).WillByDefault(Invoke(readWriteIVChanged_mockRead));
EXPECT_CALL(innerStream, write(_, _)).Times(1);
EXPECT_CALL(innerStream, read(_, _)).Times(1);
EXPECT_CALL(innerStream, getEventTarget()).Times(6);
EXPECT_CALL(eventQueue, removeHandlers(_)).Times(2);
EXPECT_CALL(eventQueue, adoptHandler(_, _, _)).Times(2);
EXPECT_CALL(eventQueue, removeHandler(_, _)).Times(2);
const byte iv1[] = "bbbbbbbbbbbbbbb";
const byte iv2[] = "ccccccccccccccc";
CCryptoStream cs1(eventQueue, &innerStream, false);
cs1.setKeyWithIV(g_key, sizeof(g_key), iv1);
UInt8 bufferIn[4];
bufferIn[0] = 'a';
bufferIn[1] = 'b';
bufferIn[2] = 'c';
bufferIn[3] = 'd';
cs1.write(bufferIn, 4);
CCryptoStream cs2(eventQueue, &innerStream, false);
cs2.setKeyWithIV(g_key, sizeof(g_key), iv2);
UInt8 bufferOut[4];
cs2.read(bufferOut, 4);
// assert that the values have changed.
EXPECT_NE('a', bufferOut[0]);
EXPECT_NE('b', bufferOut[1]);
EXPECT_NE('c', bufferOut[2]);
EXPECT_NE('d', bufferOut[3]);
}
void
write_assertWrite(const void* in, UInt32 n)
{
UInt8* buffer = static_cast<UInt8*>(const_cast<void*>(in));
EXPECT_EQ(8, buffer[0]);
EXPECT_EQ(58, buffer[1]);
EXPECT_EQ(151, buffer[2]);
EXPECT_EQ(33, buffer[3]);
}
UInt8
read_mockRead(void* out, UInt32 n)
{
UInt8* buffer = static_cast<UInt8*>(out);
buffer[0] = 8;
buffer[1] = 58;
buffer[2] = 151;
buffer[3] = 33;
return n;
}
void
write4Read1_mockWrite(const void* in, UInt32 n)
{
UInt8* buffer = static_cast<UInt8*>(const_cast<void*>(in));
g_write4Read1_buffer[g_write4Read1_bufferIndex++] = buffer[0];
}
UInt8
write4Read1_mockRead(void* out, UInt32 n)
{
UInt8* buffer = static_cast<UInt8*>(out);
buffer[0] = g_write4Read1_buffer[0];
buffer[1] = g_write4Read1_buffer[1];
buffer[2] = g_write4Read1_buffer[2];
buffer[3] = g_write4Read1_buffer[3];
return 4;
}
void
write1Read4_mockWrite(const void* in, UInt32 n)
{
UInt8* buffer = static_cast<UInt8*>(const_cast<void*>(in));
g_write1Read4_buffer[0] = buffer[0];
g_write1Read4_buffer[1] = buffer[1];
g_write1Read4_buffer[2] = buffer[2];
g_write1Read4_buffer[3] = buffer[3];
}
UInt8
write1Read4_mockRead(void* out, UInt32 n)
{
UInt8* buffer = static_cast<UInt8*>(out);
buffer[0] = g_write1Read4_buffer[g_write1Read4_bufferIndex++];
return 1;
}
void
readWriteIVChanged_mockWrite(const void* in, UInt32 n)
{
UInt8* buffer = static_cast<UInt8*>(const_cast<void*>(in));
g_readWriteIVChanged_buffer[0] = buffer[0];
g_readWriteIVChanged_buffer[1] = buffer[1];
g_readWriteIVChanged_buffer[2] = buffer[2];
g_readWriteIVChanged_buffer[3] = buffer[3];
}
UInt8
readWriteIVChanged_mockRead(void* out, UInt32 n)
{
UInt8* buffer = static_cast<UInt8*>(out);
buffer[0] = g_readWriteIVChanged_buffer[0];
buffer[1] = g_readWriteIVChanged_buffer[1];
buffer[2] = g_readWriteIVChanged_buffer[2];
buffer[3] = g_readWriteIVChanged_buffer[3];
return 4;
}