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Diffstat (limited to 'security/sandbox/chromium/base/win/pe_image.h')
| -rw-r--r-- | security/sandbox/chromium/base/win/pe_image.h | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/security/sandbox/chromium/base/win/pe_image.h b/security/sandbox/chromium/base/win/pe_image.h deleted file mode 100644 index 4c36bcf85..000000000 --- a/security/sandbox/chromium/base/win/pe_image.h +++ /dev/null @@ -1,265 +0,0 @@ -// Copyright (c) 2010 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_WIN_PE_IMAGE_H_ -#define BASE_WIN_PE_IMAGE_H_ - -#include <windows.h> - -#if defined(_WIN32_WINNT_WIN8) -// The Windows 8 SDK defines FACILITY_VISUALCPP in winerror.h. -#undef FACILITY_VISUALCPP -#endif -#include <DelayIMP.h> - -namespace base { -namespace win { - -// This class is a wrapper for the Portable Executable File Format (PE). -// Its 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, - LPCSTR module, - PIMAGE_THUNK_DATA name_table, - PIMAGE_THUNK_DATA 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)); - } - - virtual ~PEImage() {} - - // 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 the debug id (guid+age). - bool GetDebugId(LPGUID guid, LPDWORD age) const; - - // Returns a given export entry. - // Use: e = image.GetExportEntry(f); - // Pre: 'f' is either a zero terminated string or ordinal - // Post: 'e' is a pointer to the export directory entry - // 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 -1. 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, - 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) {} - - PVOID RVAToAddr(DWORD rva) const override; -}; - -inline bool PEImage::IsOrdinal(LPCSTR name) { - return reinterpret_cast<uintptr_t>(name) <= 0xFFFF; -} - -inline WORD PEImage::ToOrdinal(LPCSTR name) { - return static_cast<WORD>(reinterpret_cast<intptr_t>(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)); -} - -} // namespace win -} // namespace base - -#endif // BASE_WIN_PE_IMAGE_H_ |