binaryninja-api/binaryreader.cpp at dev · Vector35/binaryninja-api · GitHub

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// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to

// deal in the Software without restriction, including without limitation the

// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

// sell copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in

// all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS

// IN THE SOFTWARE.

#include "binaryninjaapi.h"

using namespace BinaryNinja;

using namespace std;

BinaryReader::BinaryReader(BinaryView* data, BNEndianness endian) : m_view(data)

{

m_stream = BNCreateBinaryReader(data->GetObject());

BNSetBinaryReaderEndianness(m_stream, endian);

}

BinaryReader::~BinaryReader()

{

BNFreeBinaryReader(m_stream);

}

BNEndianness BinaryReader::GetEndianness() const

{

return BNGetBinaryReaderEndianness(m_stream);

}

void BinaryReader::SetEndianness(BNEndianness endian)

{

BNSetBinaryReaderEndianness(m_stream, endian);

}

void BinaryReader::Read(void* dest, size_t len)

{

if (!BNReadData(m_stream, dest, len))

throw ReadException();

}

DataBuffer BinaryReader::Read(size_t len)

{

DataBuffer result(len);

Read(result.GetData(), len);

return result;

}

string BinaryReader::ReadString(size_t len)

{

DataBuffer result = Read(len);

return string((const char*)result.GetData(), len);

}

uint8_t BinaryReader::Read8()

{

uint8_t result;

if (!BNRead8(m_stream, &result))

throw ReadException();

return result;

}

uint16_t BinaryReader::Read16()

{

uint16_t result;

if (!BNRead16(m_stream, &result))

throw ReadException();

return result;

}

uint32_t BinaryReader::Read32()

{

uint32_t result;

if (!BNRead32(m_stream, &result))

throw ReadException();

return result;

}

uint64_t BinaryReader::Read64()

{

uint64_t result;

if (!BNRead64(m_stream, &result))

throw ReadException();

return result;

}

uint64_t BinaryReader::ReadPointer()

{

size_t addressSize = m_view->GetAddressSize();

if (addressSize > 8 || addressSize == 0)

throw ReadException();

if (GetEndianness() == BigEndian)

return ReadBEPointer();

return ReadLEPointer();

}

uint16_t BinaryReader::ReadLE16()

{

uint16_t result;

if (!BNReadLE16(m_stream, &result))

throw ReadException();

return result;

}

uint32_t BinaryReader::ReadLE32()

{

uint32_t result;

if (!BNReadLE32(m_stream, &result))

throw ReadException();

return result;

}

uint64_t BinaryReader::ReadLE64()

{

uint64_t result;

if (!BNReadLE64(m_stream, &result))

throw ReadException();

return result;

}

uint64_t BinaryReader::ReadLEPointer()

{

uint64_t result;

size_t addressSize = m_view->GetAddressSize();

switch (addressSize)

{

case 1:

{

uint8_t r;

if (!BNRead8(m_stream, &r))

throw ReadException();

result = r;

break;

}

case 2:

{

uint16_t r;

if (!BNReadLE16(m_stream, &r))

throw ReadException();

result = r;

break;

}

case 4:

{

uint32_t r;

if (!BNReadLE32(m_stream, &r))

throw ReadException();

result = r;

break;

}

case 8:

{

if (!BNReadLE64(m_stream, &result))

throw ReadException();

break;

}

default:

{

throw ReadException();

break;

}

return result;

}

uint16_t BinaryReader::ReadBE16()

{

uint16_t result;

if (!BNReadBE16(m_stream, &result))

throw ReadException();

return result;

}

uint32_t BinaryReader::ReadBE32()

{

uint32_t result;

if (!BNReadBE32(m_stream, &result))

throw ReadException();

return result;

}

uint64_t BinaryReader::ReadBE64()

{

uint64_t result;

if (!BNReadBE64(m_stream, &result))

throw ReadException();

return result;

}

uint64_t BinaryReader::ReadBEPointer()

{

uint64_t result;

size_t addressSize = m_view->GetAddressSize();

switch (addressSize)

{

case 1:

{

uint8_t r;

if (!BNRead8(m_stream, &r))

throw ReadException();

result = r;

break;

}

case 2:

{

uint16_t r;

if (!BNReadBE16(m_stream, &r))

throw ReadException();

result = r;

break;

}

case 4:

{

uint32_t r;

if (!BNReadBE32(m_stream, &r))

throw ReadException();

result = r;

break;

}

case 8:

{

if (!BNReadBE64(m_stream, &result))

throw ReadException();

break;

}

default:

{

throw ReadException();

break;

}

return result;

}

bool BinaryReader::TryRead(void* dest, size_t len)

{

return BNReadData(m_stream, dest, len);

}

bool BinaryReader::TryRead(DataBuffer& dest, size_t len)

{

dest.SetSize(len);

return TryRead(dest.GetData(), len);

}

bool BinaryReader::TryReadString(string& dest, size_t len)

{

DataBuffer result(len);

if (!TryRead(result.GetData(), len))

return false;

dest = string((const char*)result.GetData(), len);

return true;

}

bool BinaryReader::TryRead8(uint8_t& result)

{

return BNRead8(m_stream, &result);

}

bool BinaryReader::TryRead16(uint16_t& result)

{

return BNRead16(m_stream, &result);

}

bool BinaryReader::TryRead32(uint32_t& result)

{

return BNRead32(m_stream, &result);

}

bool BinaryReader::TryRead64(uint64_t& result)

{

return BNRead64(m_stream, &result);

}

bool BinaryReader::TryReadPointer(uint64_t& result)

{

return BNReadPointer(m_view->GetObject(), m_stream, &result);

}

bool BinaryReader::TryReadLE16(uint16_t& result)

{

return BNReadLE16(m_stream, &result);

}

bool BinaryReader::TryReadLE32(uint32_t& result)

{

return BNReadLE32(m_stream, &result);

}

bool BinaryReader::TryReadLE64(uint64_t& result)

{

return BNReadLE64(m_stream, &result);

}

bool BinaryReader::TryReadLEPointer(uint64_t& result)

{

size_t addressSize = m_view->GetAddressSize();

switch (addressSize)

{

case 1:

{

uint8_t r;

if (!BNRead8(m_stream, &r))

return false;

result = r;

break;

}

case 2:

{

uint16_t r;

if (!BNReadLE16(m_stream, &r))

return false;

result = r;

break;

}

case 4:

{

uint32_t r;

if (!BNReadLE32(m_stream, &r))

return false;

result = r;

break;

}

case 8:

{

if (!BNReadLE64(m_stream, &result))

return false;

break;

}

default:

{

return false;

}

return true;

}

bool BinaryReader::TryReadBE16(uint16_t& result)

{

return BNReadBE16(m_stream, &result);

}

bool BinaryReader::TryReadBE32(uint32_t& result)

{

return BNReadBE32(m_stream, &result);

}

bool BinaryReader::TryReadBE64(uint64_t& result)

{

return BNReadBE64(m_stream, &result);

}

bool BinaryReader::TryReadBEPointer(uint64_t& result)

{

size_t addressSize = m_view->GetAddressSize();

switch (addressSize)

{

case 1:

{

uint8_t r;

if (!BNRead8(m_stream, &r))

return false;

result = r;

break;

}

case 2:

{

uint16_t r;

if (!BNReadBE16(m_stream, &r))

return false;

result = r;

break;

}

case 4:

{

uint32_t r;

if (!BNReadBE32(m_stream, &r))

return false;

result = r;

break;

}

case 8:

{

if (!BNReadBE64(m_stream, &result))

return false;

break;

}

default:

{

return false;

}

return true;

}

uint64_t BinaryReader::GetOffset() const

{

return BNGetReaderPosition(m_stream);

}

void BinaryReader::Seek(uint64_t offset)

{

BNSeekBinaryReader(m_stream, offset);

}

void BinaryReader::SeekRelative(int64_t offset)

{

BNSeekBinaryReaderRelative(m_stream, offset);

}

uint64_t BinaryReader::GetVirtualBase()

{

return BNGetBinaryReaderVirtualBase(m_stream);

}

void BinaryReader::SetVirtualBase(uint64_t base)

{

BNSetBinaryReaderVirtualBase(m_stream, base);

}

bool BinaryReader::IsEndOfFile() const

{

return BNIsEndOfFile(m_stream);

}

template <typename T>

T BinaryReader::Read()

{

T value;

Read((char*)&value, sizeof(T));

return value;

}

template <typename T>

vector<T> BinaryReader::ReadVector(size_t count)

{

T* buff = new T[count];

Read((char*)buff, count * sizeof(T));

std::vector<T> out(buff, buff + count);

return out;

}

string BinaryReader::ReadCString(size_t maxSize)

{

string result;

try

{

for (size_t i = 0; i < maxSize; i++)

{

char cur = Read8();

if (cur == 0)

break;

result.push_back(cur);

}

catch (ReadException&)

{

;

}

return result;

}

binaryninja-api/binaryreader.cpp at dev · Vector35/binaryninja-api · GitHub

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