You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Theodosius/demos/Theodosius-Server/linker.hpp

76 lines
2.1 KiB

#pragma once
#include <Windows.h>
#include <winternl.h>
#include <vector>
#include <functional>
#include <fstream>
#include "utils.hpp"
namespace lnk
{
enum theo_type
{
obfuscate = 1,
mutate = 2,
encrypt = 3
};
struct symbol_t
{
// name of the symbol... not mangled...
std::string symbol_name;
// https://docs.microsoft.com/en-us/windows/win32/debug/pe-format#type-representation
std::uint32_t type;
// what section this symbol is in...
std::uint32_t section_number;
// offset into section...
std::uint32_t section_offset;
// file offset into OBJ file...
std::uint32_t file_offset;
// only used by functions... size in bytes of routine...
std::uint32_t size;
// if this symbol is a function and is inside of a .theo section...
theo_type obfuscate_type;
};
// redef of IMAGE_RELOCATION so that "VirtualAddress"
// will actually be a file offset instead of a section offset...
struct image_reloc_t
{
// name of the symbol to be resolved for example "ExAllocatePool"...
std::string resolve_symbol_name;
// offset into the obj file where the resolving needs to be done...
std::uint32_t file_offset;
// type of data that needs to be resolved... this will be 64bit addresses...
// https://docs.microsoft.com/en-us/windows/win32/debug/pe-format#type-indicators
std::uint16_t type;
};
using obj_buffer_t = std::vector<std::uint8_t>;
using map_symbols_t = std::map<std::string, std::pair<std::uint32_t, std::uint32_t>>;
auto get_symbol_size(symbol_t& sym, obj_buffer_t& obj) -> std::uint32_t;
auto get_objs(std::string lib_path, std::vector<obj_buffer_t>& objs) -> bool;
auto get_map_symbols(std::string map_path) -> map_symbols_t;
namespace sym
{
auto get_all(obj_buffer_t& obj) -> std::vector<symbol_t>;
auto get_relocs(obj_buffer_t& obj)->std::vector<image_reloc_t>;
}
namespace section
{
using section_callback_t = std::function<bool(PIMAGE_SECTION_HEADER, obj_buffer_t& obj)>;
auto get_header(obj_buffer_t& obj, const char* section_name) -> PIMAGE_SECTION_HEADER;
auto for_each(section_callback_t callback, obj_buffer_t& obj) -> void;
}
}