430 lines
16 KiB
C++
430 lines
16 KiB
C++
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// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
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// Copyright 2015 Antony Polukhin.
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_DLL_DETAIL_WINDOWS_PE_INFO_HPP
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#define BOOST_DLL_DETAIL_WINDOWS_PE_INFO_HPP
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#include <boost/config.hpp>
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#ifdef BOOST_HAS_PRAGMA_ONCE
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# pragma once
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#endif
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#include <boost/filesystem/fstream.hpp>
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#include <boost/dll/detail/x_info_interface.hpp>
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namespace boost { namespace dll { namespace detail {
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// reference:
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// http://www.joachim-bauch.de/tutorials/loading-a-dll-from-memory/
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// http://msdn.microsoft.com/en-us/magazine/ms809762.aspx
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// http://msdn.microsoft.com/en-us/magazine/cc301808.aspx
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//
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// Basic Windows typedefs. We can not use <boost/detail/winapi/basic_types.hpp> header
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// because that header must be included only on Windows platform
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typedef unsigned char BYTE_;
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typedef unsigned short WORD_;
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typedef unsigned long DWORD_;
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typedef long LONG_;
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typedef unsigned long ULONG_;
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typedef boost::int64_t LONGLONG_;
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typedef boost::uint64_t ULONGLONG_;
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struct IMAGE_DOS_HEADER_ { // 32/64 independent header
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boost::dll::detail::WORD_ e_magic; // Magic number
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boost::dll::detail::WORD_ e_cblp; // Bytes on last page of file
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boost::dll::detail::WORD_ e_cp; // Pages in file
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boost::dll::detail::WORD_ e_crlc; // Relocations
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boost::dll::detail::WORD_ e_cparhdr; // Size of header in paragraphs
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boost::dll::detail::WORD_ e_minalloc; // Minimum extra paragraphs needed
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boost::dll::detail::WORD_ e_maxalloc; // Maximum extra paragraphs needed
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boost::dll::detail::WORD_ e_ss; // Initial (relative) SS value
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boost::dll::detail::WORD_ e_sp; // Initial SP value
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boost::dll::detail::WORD_ e_csum; // Checksum
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boost::dll::detail::WORD_ e_ip; // Initial IP value
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boost::dll::detail::WORD_ e_cs; // Initial (relative) CS value
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boost::dll::detail::WORD_ e_lfarlc; // File address of relocation table
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boost::dll::detail::WORD_ e_ovno; // Overlay number
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boost::dll::detail::WORD_ e_res[4]; // Reserved words
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boost::dll::detail::WORD_ e_oemid; // OEM identifier (for e_oeminfo)
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boost::dll::detail::WORD_ e_oeminfo; // OEM information; e_oemid specific
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boost::dll::detail::WORD_ e_res2[10]; // Reserved words
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boost::dll::detail::LONG_ e_lfanew; // File address of new exe header
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};
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struct IMAGE_FILE_HEADER_ { // 32/64 independent header
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boost::dll::detail::WORD_ Machine;
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boost::dll::detail::WORD_ NumberOfSections;
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boost::dll::detail::DWORD_ TimeDateStamp;
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boost::dll::detail::DWORD_ PointerToSymbolTable;
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boost::dll::detail::DWORD_ NumberOfSymbols;
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boost::dll::detail::WORD_ SizeOfOptionalHeader;
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boost::dll::detail::WORD_ Characteristics;
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};
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struct IMAGE_DATA_DIRECTORY_ { // 32/64 independent header
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boost::dll::detail::DWORD_ VirtualAddress;
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boost::dll::detail::DWORD_ Size;
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};
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struct IMAGE_EXPORT_DIRECTORY_ { // 32/64 independent header
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boost::dll::detail::DWORD_ Characteristics;
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boost::dll::detail::DWORD_ TimeDateStamp;
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boost::dll::detail::WORD_ MajorVersion;
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boost::dll::detail::WORD_ MinorVersion;
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boost::dll::detail::DWORD_ Name;
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boost::dll::detail::DWORD_ Base;
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boost::dll::detail::DWORD_ NumberOfFunctions;
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boost::dll::detail::DWORD_ NumberOfNames;
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boost::dll::detail::DWORD_ AddressOfFunctions;
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boost::dll::detail::DWORD_ AddressOfNames;
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boost::dll::detail::DWORD_ AddressOfNameOrdinals;
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};
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struct IMAGE_SECTION_HEADER_ { // 32/64 independent header
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static const std::size_t IMAGE_SIZEOF_SHORT_NAME_ = 8;
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boost::dll::detail::BYTE_ Name[IMAGE_SIZEOF_SHORT_NAME_];
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union {
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boost::dll::detail::DWORD_ PhysicalAddress;
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boost::dll::detail::DWORD_ VirtualSize;
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} Misc;
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boost::dll::detail::DWORD_ VirtualAddress;
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boost::dll::detail::DWORD_ SizeOfRawData;
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boost::dll::detail::DWORD_ PointerToRawData;
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boost::dll::detail::DWORD_ PointerToRelocations;
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boost::dll::detail::DWORD_ PointerToLinenumbers;
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boost::dll::detail::WORD_ NumberOfRelocations;
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boost::dll::detail::WORD_ NumberOfLinenumbers;
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boost::dll::detail::DWORD_ Characteristics;
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};
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template <class AddressOffsetT>
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struct IMAGE_OPTIONAL_HEADER_template {
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static const std::size_t IMAGE_NUMBEROF_DIRECTORY_ENTRIES_ = 16;
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boost::dll::detail::WORD_ Magic;
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boost::dll::detail::BYTE_ MajorLinkerVersion;
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boost::dll::detail::BYTE_ MinorLinkerVersion;
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boost::dll::detail::DWORD_ SizeOfCode;
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boost::dll::detail::DWORD_ SizeOfInitializedData;
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boost::dll::detail::DWORD_ SizeOfUninitializedData;
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boost::dll::detail::DWORD_ AddressOfEntryPoint;
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union {
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boost::dll::detail::DWORD_ BaseOfCode;
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unsigned char padding_[sizeof(AddressOffsetT) == 8 ? 4 : 8]; // in x64 version BaseOfData does not exist
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} BaseOfCode_and_BaseOfData;
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AddressOffsetT ImageBase;
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boost::dll::detail::DWORD_ SectionAlignment;
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boost::dll::detail::DWORD_ FileAlignment;
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boost::dll::detail::WORD_ MajorOperatingSystemVersion;
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boost::dll::detail::WORD_ MinorOperatingSystemVersion;
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boost::dll::detail::WORD_ MajorImageVersion;
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boost::dll::detail::WORD_ MinorImageVersion;
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boost::dll::detail::WORD_ MajorSubsystemVersion;
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boost::dll::detail::WORD_ MinorSubsystemVersion;
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boost::dll::detail::DWORD_ Win32VersionValue;
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boost::dll::detail::DWORD_ SizeOfImage;
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boost::dll::detail::DWORD_ SizeOfHeaders;
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boost::dll::detail::DWORD_ CheckSum;
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boost::dll::detail::WORD_ Subsystem;
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boost::dll::detail::WORD_ DllCharacteristics;
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AddressOffsetT SizeOfStackReserve;
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AddressOffsetT SizeOfStackCommit;
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AddressOffsetT SizeOfHeapReserve;
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AddressOffsetT SizeOfHeapCommit;
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boost::dll::detail::DWORD_ LoaderFlags;
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boost::dll::detail::DWORD_ NumberOfRvaAndSizes;
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IMAGE_DATA_DIRECTORY_ DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES_];
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};
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typedef IMAGE_OPTIONAL_HEADER_template<boost::dll::detail::DWORD_> IMAGE_OPTIONAL_HEADER32_;
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typedef IMAGE_OPTIONAL_HEADER_template<boost::dll::detail::ULONGLONG_> IMAGE_OPTIONAL_HEADER64_;
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template <class AddressOffsetT>
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struct IMAGE_NT_HEADERS_template {
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boost::dll::detail::DWORD_ Signature;
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IMAGE_FILE_HEADER_ FileHeader;
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IMAGE_OPTIONAL_HEADER_template<AddressOffsetT> OptionalHeader;
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};
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typedef IMAGE_NT_HEADERS_template<boost::dll::detail::DWORD_> IMAGE_NT_HEADERS32_;
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typedef IMAGE_NT_HEADERS_template<boost::dll::detail::ULONGLONG_> IMAGE_NT_HEADERS64_;
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template <class AddressOffsetT>
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class pe_info: public x_info_interface {
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boost::filesystem::ifstream& f_;
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typedef IMAGE_NT_HEADERS_template<AddressOffsetT> header_t;
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typedef IMAGE_EXPORT_DIRECTORY_ exports_t;
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typedef IMAGE_SECTION_HEADER_ section_t;
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typedef IMAGE_DOS_HEADER_ dos_t;
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template <class T>
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inline void read_raw(T& value, std::size_t size = sizeof(T)) const {
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f_.read(reinterpret_cast<char*>(&value), size);
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}
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public:
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static bool parsing_supported(boost::filesystem::ifstream& f) {
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dos_t dos;
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f.seekg(0);
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f.read(reinterpret_cast<char*>(&dos), sizeof(dos));
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// 'MZ' and 'ZM' according to Wikipedia
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if (dos.e_magic != 0x4D5A && dos.e_magic != 0x5A4D) {
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return false;
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}
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header_t h;
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f.seekg(dos.e_lfanew);
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f.read(reinterpret_cast<char*>(&h), sizeof(h));
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return h.Signature == 0x00004550 // 'PE00'
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&& h.OptionalHeader.Magic == (sizeof(boost::uint32_t) == sizeof(AddressOffsetT) ? 0x10B : 0x20B);
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}
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explicit pe_info(boost::filesystem::ifstream& f) BOOST_NOEXCEPT
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: f_(f)
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{}
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private:
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inline header_t header() {
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header_t h;
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dos_t dos;
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f_.seekg(0);
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read_raw(dos);
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f_.seekg(dos.e_lfanew);
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read_raw(h);
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return h;
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}
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inline exports_t exports(const header_t& h) {
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exports_t exports;
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static const unsigned int IMAGE_DIRECTORY_ENTRY_EXPORT_ = 0;
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const std::size_t exp_virtual_address = h.OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT_].VirtualAddress;
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const std::size_t real_offset = get_file_offset(exp_virtual_address, h);
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BOOST_ASSERT(real_offset);
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f_.seekg(real_offset);
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read_raw(exports);
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return exports;
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}
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std::size_t get_file_offset(std::size_t virtual_address, const header_t& h) {
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section_t image_section_header;
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{ // f_.seekg to the beginning on section headers
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dos_t dos;
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f_.seekg(0);
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read_raw(dos);
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f_.seekg(dos.e_lfanew + sizeof(header_t));
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}
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for (std::size_t i = 0;i < h.FileHeader.NumberOfSections;++i) {
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read_raw(image_section_header);
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if (virtual_address >= image_section_header.VirtualAddress
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&& virtual_address < image_section_header.VirtualAddress + image_section_header.SizeOfRawData)
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{
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return image_section_header.PointerToRawData + virtual_address - image_section_header.VirtualAddress;
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}
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}
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return 0;
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}
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public:
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std::vector<std::string> sections() {
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std::vector<std::string> ret;
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const header_t h = header();
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ret.reserve(h.FileHeader.NumberOfSections);
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// get names, e.g: .text .rdata .data .rsrc .reloc
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section_t image_section_header;
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char name_helper[section_t::IMAGE_SIZEOF_SHORT_NAME_ + 1];
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std::memset(name_helper, 0, sizeof(name_helper));
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for (std::size_t i = 0;i < h.FileHeader.NumberOfSections;++i) {
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// There is no terminating null character if the string is exactly eight characters long
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read_raw(image_section_header);
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std::memcpy(name_helper, image_section_header.Name, section_t::IMAGE_SIZEOF_SHORT_NAME_);
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if (name_helper[0] != '/') {
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ret.push_back(name_helper);
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} else {
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// For longer names, image_section_header.Name contains a slash (/) followed by ASCII representation of a decimal number.
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// this number is an offset into the string table.
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// TODO: fixme
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ret.push_back(name_helper);
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}
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}
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return ret;
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}
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std::vector<std::string> symbols() {
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std::vector<std::string> ret;
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const header_t h = header();
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const exports_t exprt = exports(h);
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const std::size_t exported_symbols = exprt.NumberOfNames;
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const std::size_t fixed_names_addr = get_file_offset(exprt.AddressOfNames, h);
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ret.reserve(exported_symbols);
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boost::dll::detail::DWORD_ name_offset;
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std::string symbol_name;
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for (std::size_t i = 0;i < exported_symbols;++i) {
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f_.seekg(fixed_names_addr + i * sizeof(name_offset));
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read_raw(name_offset);
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f_.seekg(get_file_offset(name_offset, h));
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getline(f_, symbol_name, '\0');
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ret.push_back(symbol_name);
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}
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return ret;
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}
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std::vector<std::string> symbols(const char* section_name) {
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std::vector<std::string> ret;
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const header_t h = header();
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std::size_t section_begin_addr = 0;
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std::size_t section_end_addr = 0;
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{ // getting address range for the section
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section_t image_section_header;
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char name_helper[section_t::IMAGE_SIZEOF_SHORT_NAME_ + 1];
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std::memset(name_helper, 0, sizeof(name_helper));
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for (std::size_t i = 0;i < h.FileHeader.NumberOfSections;++i) {
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// There is no terminating null character if the string is exactly eight characters long
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read_raw(image_section_header);
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std::memcpy(name_helper, image_section_header.Name, section_t::IMAGE_SIZEOF_SHORT_NAME_);
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if (!std::strcmp(section_name, name_helper)) {
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section_begin_addr = image_section_header.PointerToRawData;
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section_end_addr = section_begin_addr + image_section_header.SizeOfRawData;
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}
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}
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// returning empty result if section was not found
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if(section_begin_addr == 0 || section_end_addr == 0)
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return ret;
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}
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const exports_t exprt = exports(h);
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const std::size_t exported_symbols = exprt.NumberOfFunctions;
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const std::size_t fixed_names_addr = get_file_offset(exprt.AddressOfNames, h);
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const std::size_t fixed_ordinals_addr = get_file_offset(exprt.AddressOfNameOrdinals, h);
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const std::size_t fixed_functions_addr = get_file_offset(exprt.AddressOfFunctions, h);
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ret.reserve(exported_symbols);
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boost::dll::detail::DWORD_ ptr;
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boost::dll::detail::WORD_ ordinal;
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std::string symbol_name;
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for (std::size_t i = 0;i < exported_symbols;++i) {
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// getting ordinal
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f_.seekg(fixed_ordinals_addr + i * sizeof(ordinal));
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read_raw(ordinal);
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// getting function addr
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f_.seekg(fixed_functions_addr + ordinal * sizeof(ptr));
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read_raw(ptr);
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ptr = static_cast<boost::dll::detail::DWORD_>( get_file_offset(ptr, h) );
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if (ptr >= section_end_addr || ptr < section_begin_addr) {
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continue;
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}
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f_.seekg(fixed_names_addr + i * sizeof(ptr));
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read_raw(ptr);
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f_.seekg(get_file_offset(ptr, h));
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getline(f_, symbol_name, '\0');
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ret.push_back(symbol_name);
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}
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return ret;
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}
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// a test method to get dependents modules,
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// who my plugin imports (1st level only)
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/*
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e.g. for myself I get:
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KERNEL32.dll
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MSVCP110D.dll
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boost_system-vc-mt-gd-1_56.dll
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MSVCR110D.dll
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*/
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/*
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std::vector<std::string> depend_of(boost::system::error_code &ec) BOOST_NOEXCEPT {
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std::vector<std::string> ret;
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IMAGE_DOS_HEADER* image_dos_header = (IMAGE_DOS_HEADER*)native();
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if(!image_dos_header) {
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// ERROR_BAD_EXE_FORMAT
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ec = boost::system::error_code(
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boost::system::errc::executable_format_error,
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boost::system::generic_category()
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);
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return ret;
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}
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IMAGE_OPTIONAL_HEADER* image_optional_header = (IMAGE_OPTIONAL_HEADER*)((boost::dll::detail::BYTE_*)native() + image_dos_header->e_lfanew + 24);
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if(!image_optional_header) {
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// ERROR_BAD_EXE_FORMAT
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ec = boost::system::error_code(
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boost::system::errc::executable_format_error,
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boost::system::generic_category()
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);
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return ret;
|
||
|
}
|
||
|
|
||
|
IMAGE_IMPORT_DESCRIPTOR* image_import_descriptor = (IMAGE_IMPORT_DESCRIPTOR*)((boost::dll::detail::BYTE_*)native() + image_optional_header->DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT].VirtualAddress);
|
||
|
if(!image_import_descriptor) {
|
||
|
// ERROR_BAD_EXE_FORMAT
|
||
|
ec = boost::system::error_code(
|
||
|
boost::system::errc::executable_format_error,
|
||
|
boost::system::generic_category()
|
||
|
);
|
||
|
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
while(image_import_descriptor->FirstThunk) {
|
||
|
std::string module_name = reinterpret_cast<char*>((boost::dll::detail::BYTE_*)native() + image_import_descriptor->Name);
|
||
|
|
||
|
if(module_name.size()) {
|
||
|
ret.push_back(module_name);
|
||
|
}
|
||
|
|
||
|
image_import_descriptor++;
|
||
|
}
|
||
|
|
||
|
return ret;
|
||
|
}
|
||
|
*/
|
||
|
};
|
||
|
|
||
|
typedef pe_info<boost::dll::detail::DWORD_> pe_info32;
|
||
|
typedef pe_info<boost::dll::detail::ULONGLONG_> pe_info64;
|
||
|
|
||
|
}}} // namespace boost::dll::detail
|
||
|
|
||
|
#endif // BOOST_DLL_DETAIL_WINDOWS_PE_INFO_HPP
|