Theodosius/Examples/Theodosius-Kernel/Theodosius-VDM/theo.h

#pragma once
#include <Windows.h>
#include <string>
#include <vector>
#include <functional>
#include <map>

namespace obfuscation{ class obfuscate; }
namespace lnk { using obj_buffer_t = std::vector<std::uint8_t>; }

namespace theo
{
	using malloc_t = std::function<decltype(malloc)>;
	using memcpy_t = std::function<decltype(memcpy)>;

	using resolve_symbol_t = std::function<std::uintptr_t(const char*)>;
	using mapper_routines_t = std::tuple<malloc_t, memcpy_t, resolve_symbol_t>;

	class hmm_ctx
	{
	public:
		explicit hmm_ctx(const mapper_routines_t& routines);
		auto map_objs(std::vector<lnk::obj_buffer_t>& objs) -> bool;
		auto get_symbol(std::string symbol_name) -> std::uintptr_t;

		malloc_t kalloc;
		memcpy_t kmemcpy;
		resolve_symbol_t resolve_symbol;
	private:
		bool map_symbols(std::vector<lnk::obj_buffer_t>& objs);
		bool map_obfuscated_symbols(std::vector<lnk::obj_buffer_t>& objs);

		bool resolve_relocs(std::vector<lnk::obj_buffer_t>& objs);
		bool alloc_obfuscated_symbol_space(std::vector<lnk::obj_buffer_t>& objs);
		bool alloc_symbol_space(std::vector<lnk::obj_buffer_t>& objs);

		std::map<std::string, std::uintptr_t> mapped_symbols;
		std::map<std::uintptr_t, std::shared_ptr<obfuscation::obfuscate>> obfuscated_gadgets;
	};
}