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#include "KernelCacheController.h"
#include "../api/kernelcachecore.h"
using namespace BinaryNinja;
using namespace BinaryNinja::KC;
BNKernelCacheImage ImageToApi(const CacheImage& image)
{
BNKernelCacheImage apiImage;
apiImage.name = BNAllocString(image.path.c_str());
apiImage.headerVirtualAddress = image.headerVirtualAddress;
apiImage.headerFileAddress = image.headerFileAddress;
return apiImage;
}
CacheImage ImageFromApi(const BNKernelCacheImage& image)
{
CacheImage apiImage;
apiImage.path = image.name;
apiImage.headerVirtualAddress = image.headerVirtualAddress;
apiImage.headerFileAddress = image.headerFileAddress;
apiImage.header = nullptr;
return apiImage;
}
BNKernelCacheSymbol SymbolToApi(const CacheSymbol& symbol)
{
BNKernelCacheSymbol apiSymbol;
apiSymbol.name = BNAllocString(symbol.name.c_str());
apiSymbol.address = symbol.address;
apiSymbol.symbolType = symbol.type;
return apiSymbol;
}
CacheSymbol SymbolFromApi(const BNKernelCacheSymbol& apiSymbol)
{
CacheSymbol symbol;
symbol.name = apiSymbol.name;
symbol.address = apiSymbol.address;
symbol.type = apiSymbol.symbolType;
return symbol;
}
extern "C"
{
BNKernelCacheController* BNGetKernelCacheController(BNBinaryView* data)
{
Ref<BinaryView> view = new BinaryView(BNNewViewReference(data));
auto controller = KernelCacheController::FromView(*view);
if (!controller)
return nullptr;
return KC_API_OBJECT_REF(controller);
}
BNKernelCacheController* BNNewKernelCacheControllerReference(BNKernelCacheController* controller)
{
return KC_API_OBJECT_NEW_REF(controller);
}
void BNFreeKernelCacheControllerReference(BNKernelCacheController* controller)
{
KC_API_OBJECT_FREE(controller);
}
bool BNKernelCacheControllerApplyImage(
BNKernelCacheController* controller, BNBinaryView* data, BNKernelCacheImage* image)
{
Ref<BinaryView> view = new BinaryView(BNNewViewReference(data));
// LoadImage will use the header, lets do everyone a favor and use the existing image!
if (const auto realImage = controller->object->GetCache().GetImageAt(image->headerVirtualAddress))
return controller->object->ApplyImage(*view, *realImage);
// They gave us an unknown image, we will not have header information.
return controller->object->ApplyImage(*view, ImageFromApi(*image));
}
bool BNKernelCacheControllerIsImageLoaded(BNKernelCacheController* controller, BNKernelCacheImage* image)
{
return controller->object->IsImageLoaded(ImageFromApi(*image));
}
bool BNKernelCacheControllerGetImageAt(
BNKernelCacheController* controller, uint64_t address, BNKernelCacheImage* outImage)
{
const auto image = controller->object->GetCache().GetImageAt(address);
if (!image)
return false;
*outImage = ImageToApi(*image);
return true;
}
bool BNKernelCacheControllerGetImageContaining(
BNKernelCacheController* controller, uint64_t address, BNKernelCacheImage* outImage)
{
const auto image = controller->object->GetCache().GetImageContaining(address);
if (!image)
return false;
*outImage = ImageToApi(*image);
return true;
}
bool BNKernelCacheControllerGetImageWithName(
BNKernelCacheController* controller, const char* name, BNKernelCacheImage* outImage)
{
const auto image = controller->object->GetCache().GetImageWithName(name);
if (!image)
return false;
*outImage = ImageToApi(*image);
return true;
}
char** BNKernelCacheControllerGetImageDependencies(
BNKernelCacheController* controller, BNKernelCacheImage* image, size_t* count)
{
// GetDependencies will use the header, lets do everyone a favor and use the existing image!
const auto realImage = controller->object->GetCache().GetImageAt(image->headerFileAddress);
if (!realImage.has_value())
return nullptr;
const auto dependencies = realImage->GetDependencies();
std::vector<const char*> dependencyPtrs;
dependencyPtrs.reserve(dependencies.size());
for (const auto& dependency : dependencies)
dependencyPtrs.push_back(dependency.c_str());
*count = dependencyPtrs.size();
return BNAllocStringList(dependencyPtrs.data(), dependencyPtrs.size());
}
BNKernelCacheImage* BNKernelCacheControllerGetImages(BNKernelCacheController* controller, size_t* count)
{
const auto& images = controller->object->GetCache().GetImages();
*count = images.size();
BNKernelCacheImage* apiImages = new BNKernelCacheImage[*count];
size_t idx = 0;
for (const auto& [_, image] : images)
apiImages[idx++] = ImageToApi(image);
return apiImages;
}
BNKernelCacheImage* BNKernelCacheControllerGetLoadedImages(BNKernelCacheController* controller, size_t* count)
{
const auto& loadedImageStarts = controller->object->GetLoadedImages();
// TODO: This translation should likely exist in the core cache controller class?
std::vector<CacheImage> loadedImages;
for (auto start : loadedImageStarts)
{
auto image = controller->object->GetCache().GetImageAt(start);
if (image)
loadedImages.push_back(*image);
}
*count = loadedImages.size();
BNKernelCacheImage* apiImages = new BNKernelCacheImage[*count];
for (size_t i = 0; i < *count; i++)
apiImages[i] = ImageToApi(loadedImages[i]);
return apiImages;
}
void BNKernelCacheFreeImage(BNKernelCacheImage image)
{
BNFreeString(image.name);
}
void BNKernelCacheFreeImageList(BNKernelCacheImage* images, size_t count)
{
for (size_t i = 0; i < count; i++)
BNKernelCacheFreeImage(images[i]);
delete[] images;
}
bool BNKernelCacheControllerGetSymbolAt(
BNKernelCacheController* controller, uint64_t address, BNKernelCacheSymbol* outSymbol)
{
const auto symbol = controller->object->GetCache().GetSymbolAt(address);
if (!symbol)
return false;
*outSymbol = SymbolToApi(*symbol);
return true;
}
bool BNKernelCacheControllerGetSymbolWithName(
BNKernelCacheController* controller, const char* name, BNKernelCacheSymbol* outSymbol)
{
const auto symbol = controller->object->GetCache().GetSymbolWithName(name);
if (!symbol)
return false;
*outSymbol = SymbolToApi(*symbol);
return true;
}
BNKernelCacheSymbol* BNKernelCacheControllerGetSymbols(BNKernelCacheController* controller, size_t* count)
{
const auto& symbols = controller->object->GetCache().GetSymbols();
*count = symbols.size();
BNKernelCacheSymbol* apiSymbols = new BNKernelCacheSymbol[*count];
size_t idx = 0;
for (const auto& [_, symbol] : symbols)
apiSymbols[idx++] = SymbolToApi(symbol);
return apiSymbols;
}
void BNKernelCacheFreeSymbol(BNKernelCacheSymbol symbol)
{
BNFreeString(symbol.name);
}
void BNKernelCacheFreeSymbolList(BNKernelCacheSymbol* symbols, size_t count)
{
for (size_t i = 0; i < count; i++)
BNKernelCacheFreeSymbol(symbols[i]);
delete[] symbols;
}
};
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