内存加载dll

内存加载动态库 MemoryLoadLibrary 有例子。 /* * Memory DLL loading code * Version 0.0.3 * * Copyright (c) 2004-2013 by Joachim Bauch / mail@joachim-bauch.de * http://www.joachim-bauch.de * * The contents of this file are subject to the Mozilla Public License Version * 2.0 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is MemoryModule.h * * The Initial Developer of the Original Code is Joachim Bauch. * * Portions created by Joachim Bauch are Copyright (C) 2004-2013 * Joachim Bauch. All Rights Reserved. * */ #ifndef __MEMORY_MODULE_HEADER #define __MEMORY_MODULE_HEADER #include typedef void *HMEMORYMODULE; typedef void *HMEMORYRSRC; typedef void *HCUSTOMMODULE; #ifdef __cplusplus extern "C" { #endif typedef HCUSTOMMODULE (*CustomLoadLibraryFunc)(LPCSTR, void *); typedef FARPROC (*CustomGetProcAddressFunc)(HCUSTOMMODULE, LPCSTR, void *); typedef void (*CustomFreeLibraryFunc)(HCUSTOMMODULE, void *); /** * Load DLL from memory location. * * All dependencies are resolved using default LoadLibrary/GetProcAddress * calls through the Windows API. */ HMEMORYMODULE MemoryLoadLibrary(const void *); /** * Load DLL from memory location using custom dependency resolvers. * * Dependencies will be resolved using passed callback methods. */ HMEMORYMODULE MemoryLoadLibraryEx(const void *, CustomLoadLibraryFunc, CustomGetProcAddressFunc, CustomFreeLibraryFunc, void *); /** * Get address of exported method. */ FARPROC MemoryGetProcAddress(HMEMORYMODULE, LPCSTR); /** * Free previously loaded DLL. */ void MemoryFreeLibrary(HMEMORYMODULE); /** * Find the location of

/*
 * Memory DLL loading code
 * Version 0.0.3
 *
 * Copyright （c） 2004-2013 by Joachim Bauch / mail@joachim-bauch.de
 * http://www.joachim-bauch.de
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 2.0 （the “License“）; you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an “AS IS“ basis
 * WITHOUT WARRANTY OF ANY KIND either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is MemoryModule.c
 *
 * The Initial Developer of the Original Code is Joachim Bauch.
 *
 * Portions created by Joachim Bauch are Copyright （C） 2004-2013
 * Joachim Bauch. All Rights Reserved.
 *
 */

#ifndef __GNUC__
// disable warnings about pointer <-> DWORD conversions
#pragma warning（ disable : 4311 4312 ）
#endif

#ifdef _WIN64
#define POINTER_TYPE ULONGLONG
#else
#define POINTER_TYPE DWORD
#endif

#include 
#include 
#include 
#ifdef DEBUG_OUTPUT
#include 
#endif

#ifndef IMAGE_SIZEOF_base_RELOCATION
// Vista SDKs no longer define IMAGE_SIZEOF_base_RELOCATION!?
#define IMAGE_SIZEOF_base_RELOCATION （sizeof（IMAGE_base_RELOCATION））
#endif

#include “MemoryModule.h“

typedef struct {
    PIMAGE_NT_HEADERS headers;
    unsigned char *codebase;
    HCUSTOMMODULE *modules;
    int numModules;
    int initialized;
    CustomLoadLibraryFunc loadLibrary;
    CustomGetProcAddressFunc getProcAddress;
    CustomFreeLibraryFunc freeLibrary;
    void *userdata;
} MEMORYMODULE *PMEMORYMODULE;

typedef BOOL （WINAPI *DllEntryProc）（HINSTANCE hinstDLL DWORD fdwReason LPVOID lpReserved）;

#define GET_HEADER_DICTIONARY（module idx）	&（module）->headers->OptionalHeader.DataDirectory[idx]

#ifdef DEBUG_OUTPUT
static void
OutputLastError（const char *msg）
{
    LPVOID tmp;
    char *tmpmsg;
    FormatMessage（FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS
        NULL GetLastError（） MAKELANGID（LANG_NEUTRAL SUBLANG_DEFAULT） （LPTSTR）&tmp 0 NULL）;
    tmpmsg = （char *）LocalAlloc（LPTR strlen（msg） + strlen（tmp） + 3）;
    sprintf（tmpmsg “%s: %s“ msg tmp）;
    OutputDebugString（tmpmsg）;
    LocalFree（tmpmsg）;
    LocalFree（tmp）;
}
#endif

static void
CopySections（const unsigned char *data PIMAGE_NT_HEADERS old_headers PMEMORYMODULE module）
{
    int i size;
    unsigned char *codebase = module->codebase;
    unsigned char *dest;
    PIMAGE_SECTION_HEADER section = IMAGE_FIRST_SECTION（module->headers）;
    for （i=0; iheaders->FileHeader.NumberOfSections; i++ section++） {
        if （section->SizeOfRawData == 0） {
            // section doesn‘t contain data in the dll itself but may define
            // uninitialized data
            size = old_headers->OptionalHeader.SectionAlignment;
            if （size > 0） {
         

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2013-03-12 09:00  MemoryModule-master\
     文件          16  2013-03-12 09:00  MemoryModule-master\.gitignore
     文件       16726  2013-03-12 09:00  MemoryModule-master\LICENSE.txt
     文件         244  2013-03-12 09:00  MemoryModule-master\Makefile
     文件       24810  2013-03-12 09:00  MemoryModule-master\MemoryModule.c
     文件        2743  2013-03-12 09:00  MemoryModule-master\MemoryModule.h
     目录           0  2013-03-12 09:00  MemoryModule-master\doc\
     文件       18587  2013-03-12 09:00  MemoryModule-master\doc\readme.txt
     目录           0  2013-03-12 09:00  MemoryModule-master\example\
     目录           0  2013-03-12 09:00  MemoryModule-master\example\DllLoader\
     文件           9  2013-03-12 09:00  MemoryModule-master\example\DllLoader\.gitignore
     文件        2829  2013-03-12 09:00  MemoryModule-master\example\DllLoader\DllLoader.cpp
     文件        3386  2013-03-12 09:00  MemoryModule-master\example\DllLoader\DllLoader.vcproj
     文件         533  2013-03-12 09:00  MemoryModule-master\example\DllLoader\Makefile
     文件        1483  2013-03-12 09:00  MemoryModule-master\example\DllMemory.sln
     文件         256  2013-03-12 09:00  MemoryModule-master\example\Makefile
     目录           0  2013-03-12 09:00  MemoryModule-master\example\SampleDLL\
     文件          16  2013-03-12 09:00  MemoryModule-master\example\SampleDLL\.gitignore
     文件         628  2013-03-12 09:00  MemoryModule-master\example\SampleDLL\Makefile
     文件         106  2013-03-12 09:00  MemoryModule-master\example\SampleDLL\SampleDLL.cpp
     文件         188  2013-03-12 09:00  MemoryModule-master\example\SampleDLL\SampleDLL.h
     文件         686  2013-03-12 09:00  MemoryModule-master\example\SampleDLL\SampleDLL.rc
     文件        3458  2013-03-12 09:00  MemoryModule-master\example\SampleDLL\SampleDLL.vcproj
     文件         755  2013-03-12 09:00  MemoryModule-master\readme.txt