| Index: base/pe_image.h
|
| ===================================================================
|
| --- base/pe_image.h (revision 62848)
|
| +++ base/pe_image.h (working copy)
|
| @@ -1,258 +0,0 @@
|
| -// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -// This file was adapted from GreenBorder's Code.
|
| -// To understand what this class is about (for other than well known functions
|
| -// as GetProcAddress), a good starting point is "An In-Depth Look into the
|
| -// Win32 Portable Executable File Format" by Matt Pietrek:
|
| -// http://msdn.microsoft.com/msdnmag/issues/02/02/PE/default.aspx
|
| -
|
| -#ifndef BASE_PE_IMAGE_H_
|
| -#define BASE_PE_IMAGE_H_
|
| -#pragma once
|
| -
|
| -#include <windows.h>
|
| -#include <DelayIMP.h>
|
| -
|
| -// This class is a wrapper for the Portable Executable File Format (PE).
|
| -// It's main purpose is to provide an easy way to work with imports and exports
|
| -// from a file, mapped in memory as image.
|
| -class PEImage {
|
| - public:
|
| - // Callback to enumerate sections.
|
| - // cookie is the value passed to the enumerate method.
|
| - // Returns true to continue the enumeration.
|
| - typedef bool (*EnumSectionsFunction)(const PEImage &image,
|
| - PIMAGE_SECTION_HEADER header,
|
| - PVOID section_start, DWORD section_size,
|
| - PVOID cookie);
|
| -
|
| - // Callback to enumerate exports.
|
| - // function is the actual address of the symbol. If forward is not null, it
|
| - // contains the dll and symbol to forward this export to. cookie is the value
|
| - // passed to the enumerate method.
|
| - // Returns true to continue the enumeration.
|
| - typedef bool (*EnumExportsFunction)(const PEImage &image, DWORD ordinal,
|
| - DWORD hint, LPCSTR name, PVOID function,
|
| - LPCSTR forward, PVOID cookie);
|
| -
|
| - // Callback to enumerate import blocks.
|
| - // name_table and iat point to the imports name table and address table for
|
| - // this block. cookie is the value passed to the enumerate method.
|
| - // Returns true to continue the enumeration.
|
| - typedef bool (*EnumImportChunksFunction)(const PEImage &image, LPCSTR module,
|
| - PIMAGE_THUNK_DATA name_table,
|
| - PIMAGE_THUNK_DATA iat, PVOID cookie);
|
| -
|
| - // Callback to enumerate imports.
|
| - // module is the dll that exports this symbol. cookie is the value passed to
|
| - // the enumerate method.
|
| - // Returns true to continue the enumeration.
|
| - typedef bool (*EnumImportsFunction)(const PEImage &image, LPCSTR module,
|
| - DWORD ordinal, LPCSTR name, DWORD hint,
|
| - PIMAGE_THUNK_DATA iat, PVOID cookie);
|
| -
|
| - // Callback to enumerate dalayed import blocks.
|
| - // module is the dll that exports this block of symbols. cookie is the value
|
| - // passed to the enumerate method.
|
| - // Returns true to continue the enumeration.
|
| - typedef bool (*EnumDelayImportChunksFunction)(const PEImage &image,
|
| - PImgDelayDescr delay_descriptor,
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| - LPCSTR module,
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| - PIMAGE_THUNK_DATA name_table,
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| - PIMAGE_THUNK_DATA iat,
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| - PIMAGE_THUNK_DATA bound_iat,
|
| - PIMAGE_THUNK_DATA unload_iat,
|
| - PVOID cookie);
|
| -
|
| - // Callback to enumerate relocations.
|
| - // cookie is the value passed to the enumerate method.
|
| - // Returns true to continue the enumeration.
|
| - typedef bool (*EnumRelocsFunction)(const PEImage &image, WORD type,
|
| - PVOID address, PVOID cookie);
|
| -
|
| - explicit PEImage(HMODULE module) : module_(module) {}
|
| - explicit PEImage(const void* module) {
|
| - module_ = reinterpret_cast<HMODULE>(const_cast<void*>(module));
|
| - }
|
| -
|
| - // Gets the HMODULE for this object.
|
| - HMODULE module() const;
|
| -
|
| - // Sets this object's HMODULE.
|
| - void set_module(HMODULE module);
|
| -
|
| - // Checks if this symbol is actually an ordinal.
|
| - static bool IsOrdinal(LPCSTR name);
|
| -
|
| - // Converts a named symbol to the corresponding ordinal.
|
| - static WORD ToOrdinal(LPCSTR name);
|
| -
|
| - // Returns the DOS_HEADER for this PE.
|
| - PIMAGE_DOS_HEADER GetDosHeader() const;
|
| -
|
| - // Returns the NT_HEADER for this PE.
|
| - PIMAGE_NT_HEADERS GetNTHeaders() const;
|
| -
|
| - // Returns number of sections of this PE.
|
| - WORD GetNumSections() const;
|
| -
|
| - // Returns the header for a given section.
|
| - // returns NULL if there is no such section.
|
| - PIMAGE_SECTION_HEADER GetSectionHeader(UINT section) const;
|
| -
|
| - // Returns the size of a given directory entry.
|
| - DWORD GetImageDirectoryEntrySize(UINT directory) const;
|
| -
|
| - // Returns the address of a given directory entry.
|
| - PVOID GetImageDirectoryEntryAddr(UINT directory) const;
|
| -
|
| - // Returns the section header for a given address.
|
| - // Use: s = image.GetImageSectionFromAddr(a);
|
| - // Post: 's' is the section header of the section that contains 'a'
|
| - // or NULL if there is no such section.
|
| - PIMAGE_SECTION_HEADER GetImageSectionFromAddr(PVOID address) const;
|
| -
|
| - // Returns the section header for a given section.
|
| - PIMAGE_SECTION_HEADER GetImageSectionHeaderByName(LPCSTR section_name) const;
|
| -
|
| - // Returns the first block of imports.
|
| - PIMAGE_IMPORT_DESCRIPTOR GetFirstImportChunk() const;
|
| -
|
| - // Returns the exports directory.
|
| - PIMAGE_EXPORT_DIRECTORY GetExportDirectory() const;
|
| -
|
| - // Returns a given export entry.
|
| - // Use: e = image.GetExportEntry(f);
|
| - // Pre: 'f' is either a zero terminated string or ordinal
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| - // Post: 'e' is a pointer to the export directory entry
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| - // that contains 'f's export RVA, or NULL if 'f'
|
| - // is not exported from this image
|
| - PDWORD GetExportEntry(LPCSTR name) const;
|
| -
|
| - // Returns the address for a given exported symbol.
|
| - // Use: p = image.GetProcAddress(f);
|
| - // Pre: 'f' is either a zero terminated string or ordinal.
|
| - // Post: if 'f' is a non-forwarded export from image, 'p' is
|
| - // the exported function. If 'f' is a forwarded export
|
| - // then p is the special value 0xFFFFFFFF. In this case
|
| - // RVAToAddr(*GetExportEntry) can be used to resolve
|
| - // the string that describes the forward.
|
| - FARPROC GetProcAddress(LPCSTR function_name) const;
|
| -
|
| - // Retrieves the ordinal for a given exported symbol.
|
| - // Returns true if the symbol was found.
|
| - bool GetProcOrdinal(LPCSTR function_name, WORD *ordinal) const;
|
| -
|
| - // Enumerates PE sections.
|
| - // cookie is a generic cookie to pass to the callback.
|
| - // Returns true on success.
|
| - bool EnumSections(EnumSectionsFunction callback, PVOID cookie) const;
|
| -
|
| - // Enumerates PE exports.
|
| - // cookie is a generic cookie to pass to the callback.
|
| - // Returns true on success.
|
| - bool EnumExports(EnumExportsFunction callback, PVOID cookie) const;
|
| -
|
| - // Enumerates PE imports.
|
| - // cookie is a generic cookie to pass to the callback.
|
| - // Returns true on success.
|
| - bool EnumAllImports(EnumImportsFunction callback, PVOID cookie) const;
|
| -
|
| - // Enumerates PE import blocks.
|
| - // cookie is a generic cookie to pass to the callback.
|
| - // Returns true on success.
|
| - bool EnumImportChunks(EnumImportChunksFunction callback, PVOID cookie) const;
|
| -
|
| - // Enumerates the imports from a single PE import block.
|
| - // cookie is a generic cookie to pass to the callback.
|
| - // Returns true on success.
|
| - bool EnumOneImportChunk(EnumImportsFunction callback, LPCSTR module_name,
|
| - PIMAGE_THUNK_DATA name_table, PIMAGE_THUNK_DATA iat,
|
| - PVOID cookie) const;
|
| -
|
| -
|
| - // Enumerates PE delay imports.
|
| - // cookie is a generic cookie to pass to the callback.
|
| - // Returns true on success.
|
| - bool EnumAllDelayImports(EnumImportsFunction callback, PVOID cookie) const;
|
| -
|
| - // Enumerates PE delay import blocks.
|
| - // cookie is a generic cookie to pass to the callback.
|
| - // Returns true on success.
|
| - bool EnumDelayImportChunks(EnumDelayImportChunksFunction callback,
|
| - PVOID cookie) const;
|
| -
|
| - // Enumerates imports from a single PE delay import block.
|
| - // cookie is a generic cookie to pass to the callback.
|
| - // Returns true on success.
|
| - bool EnumOneDelayImportChunk(EnumImportsFunction callback,
|
| - PImgDelayDescr delay_descriptor,
|
| - LPCSTR module_name,
|
| - PIMAGE_THUNK_DATA name_table,
|
| - PIMAGE_THUNK_DATA iat,
|
| - PIMAGE_THUNK_DATA bound_iat,
|
| - PIMAGE_THUNK_DATA unload_iat,
|
| - PVOID cookie) const;
|
| -
|
| - // Enumerates PE relocation entries.
|
| - // cookie is a generic cookie to pass to the callback.
|
| - // Returns true on success.
|
| - bool EnumRelocs(EnumRelocsFunction callback, PVOID cookie) const;
|
| -
|
| - // Verifies the magic values on the PE file.
|
| - // Returns true if all values are correct.
|
| - bool VerifyMagic() const;
|
| -
|
| - // Converts an rva value to the appropriate address.
|
| - virtual PVOID RVAToAddr(DWORD rva) const;
|
| -
|
| - // Converts an rva value to an offset on disk.
|
| - // Returns true on success.
|
| - bool ImageRVAToOnDiskOffset(DWORD rva, DWORD *on_disk_offset) const;
|
| -
|
| - // Converts an address to an offset on disk.
|
| - // Returns true on success.
|
| - bool ImageAddrToOnDiskOffset(LPVOID address, DWORD *on_disk_offset) const;
|
| -
|
| - private:
|
| - HMODULE module_;
|
| -};
|
| -
|
| -// This class is an extension to the PEImage class that allows working with PE
|
| -// files mapped as data instead of as image file.
|
| -class PEImageAsData : public PEImage {
|
| - public:
|
| - explicit PEImageAsData(HMODULE hModule) : PEImage(hModule) {}
|
| -
|
| - virtual PVOID RVAToAddr(DWORD rva) const;
|
| -};
|
| -
|
| -inline bool PEImage::IsOrdinal(LPCSTR name) {
|
| -#pragma warning(push)
|
| -#pragma warning(disable: 4311)
|
| - // This cast generates a warning because it is 32 bit specific.
|
| - return reinterpret_cast<DWORD>(name) <= 0xFFFF;
|
| -#pragma warning(pop)
|
| -}
|
| -
|
| -inline WORD PEImage::ToOrdinal(LPCSTR name) {
|
| - return reinterpret_cast<WORD>(name);
|
| -}
|
| -
|
| -inline HMODULE PEImage::module() const {
|
| - return module_;
|
| -}
|
| -
|
| -inline PIMAGE_IMPORT_DESCRIPTOR PEImage::GetFirstImportChunk() const {
|
| - return reinterpret_cast<PIMAGE_IMPORT_DESCRIPTOR>(
|
| - GetImageDirectoryEntryAddr(IMAGE_DIRECTORY_ENTRY_IMPORT));
|
| -}
|
| -
|
| -inline PIMAGE_EXPORT_DIRECTORY PEImage::GetExportDirectory() const {
|
| - return reinterpret_cast<PIMAGE_EXPORT_DIRECTORY>(
|
| - GetImageDirectoryEntryAddr(IMAGE_DIRECTORY_ENTRY_EXPORT));
|
| -}
|
| -
|
| -#endif // BASE_PE_IMAGE_H_
|
|
|