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Updated translations
This commit is contained in:
Kovid Goyal
@@ -0,0 +1,689 @@
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/*
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* Memory DLL loading code
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* Version 0.0.2 with additions from Thomas Heller
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*
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* Copyright (c) 2004-2005 by Joachim Bauch / mail@joachim-bauch.de
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* http://www.joachim-bauch.de
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is MemoryModule.c
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*
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* The Initial Developer of the Original Code is Joachim Bauch.
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*
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* Portions created by Joachim Bauch are Copyright (C) 2004-2005
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* Joachim Bauch. All Rights Reserved.
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*
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* Portions Copyright (C) 2005 Thomas Heller.
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*
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*/
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// disable warnings about pointer <-> DWORD conversions
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#pragma warning( disable : 4311 4312 )
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#include <Windows.h>
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#include <winnt.h>
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#if DEBUG_OUTPUT
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#include <stdio.h>
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#endif
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#ifndef IMAGE_SIZEOF_BASE_RELOCATION
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// Vista SDKs no longer define IMAGE_SIZEOF_BASE_RELOCATION!?
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# define IMAGE_SIZEOF_BASE_RELOCATION (sizeof(IMAGE_BASE_RELOCATION))
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#endif
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#include "MemoryModule.h"
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/*
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XXX We need to protect at least walking the 'loaded' linked list with a lock!
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*/
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/******************************************************************/
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FINDPROC findproc;
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void *findproc_data = NULL;
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struct NAME_TABLE {
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char *name;
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DWORD ordinal;
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};
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typedef struct tagMEMORYMODULE {
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PIMAGE_NT_HEADERS headers;
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unsigned char *codeBase;
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HMODULE *modules;
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int numModules;
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int initialized;
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struct NAME_TABLE *name_table;
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char *name;
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int refcount;
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struct tagMEMORYMODULE *next, *prev;
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} MEMORYMODULE, *PMEMORYMODULE;
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typedef BOOL (WINAPI *DllEntryProc)(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved);
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#define GET_HEADER_DICTIONARY(module, idx) &(module)->headers->OptionalHeader.DataDirectory[idx]
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MEMORYMODULE *loaded; /* linked list of loaded memory modules */
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/* private - insert a loaded library in a linked list */
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static void _Register(char *name, MEMORYMODULE *module)
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{
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module->next = loaded;
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if (loaded)
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loaded->prev = module;
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module->prev = NULL;
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loaded = module;
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}
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/* private - remove a loaded library from a linked list */
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static void _Unregister(MEMORYMODULE *module)
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{
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free(module->name);
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if (module->prev)
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module->prev->next = module->next;
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if (module->next)
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module->next->prev = module->prev;
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if (module == loaded)
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loaded = module->next;
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}
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/* public - replacement for GetModuleHandle() */
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HMODULE MyGetModuleHandle(LPCTSTR lpModuleName)
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{
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MEMORYMODULE *p = loaded;
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while (p) {
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// If already loaded, only increment the reference count
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if (0 == stricmp(lpModuleName, p->name)) {
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return (HMODULE)p;
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}
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p = p->next;
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}
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return GetModuleHandle(lpModuleName);
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}
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/* public - replacement for LoadLibrary, but searches FIRST for memory
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libraries, then for normal libraries. So, it will load libraries AS memory
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module if they are found by findproc().
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*/
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HMODULE MyLoadLibrary(char *lpFileName)
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{
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MEMORYMODULE *p = loaded;
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HMODULE hMod;
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while (p) {
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// If already loaded, only increment the reference count
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if (0 == stricmp(lpFileName, p->name)) {
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p->refcount++;
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return (HMODULE)p;
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}
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p = p->next;
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}
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if (findproc && findproc_data) {
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void *pdata = findproc(lpFileName, findproc_data);
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if (pdata) {
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hMod = MemoryLoadLibrary(lpFileName, pdata);
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free(p);
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return hMod;
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}
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}
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hMod = LoadLibrary(lpFileName);
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return hMod;
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}
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/* public - replacement for GetProcAddress() */
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FARPROC MyGetProcAddress(HMODULE hModule, LPCSTR lpProcName)
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{
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MEMORYMODULE *p = loaded;
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while (p) {
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if ((HMODULE)p == hModule)
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return MemoryGetProcAddress(p, lpProcName);
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p = p->next;
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}
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return GetProcAddress(hModule, lpProcName);
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}
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/* public - replacement for FreeLibrary() */
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BOOL MyFreeLibrary(HMODULE hModule)
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{
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MEMORYMODULE *p = loaded;
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while (p) {
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if ((HMODULE)p == hModule) {
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if (--p->refcount == 0) {
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_Unregister(p);
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MemoryFreeLibrary(p);
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}
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return TRUE;
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}
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p = p->next;
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}
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return FreeLibrary(hModule);
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}
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#if DEBUG_OUTPUT
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static void
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OutputLastError(const char *msg)
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{
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LPVOID tmp;
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char *tmpmsg;
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FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&tmp, 0, NULL);
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tmpmsg = (char *)LocalAlloc(LPTR, strlen(msg) + strlen(tmp) + 3);
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sprintf(tmpmsg, "%s: %s", msg, tmp);
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OutputDebugString(tmpmsg);
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LocalFree(tmpmsg);
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LocalFree(tmp);
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}
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#endif
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/*
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static int dprintf(char *fmt, ...)
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{
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char Buffer[4096];
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va_list marker;
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int result;
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va_start(marker, fmt);
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result = vsprintf(Buffer, fmt, marker);
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OutputDebugString(Buffer);
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return result;
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}
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*/
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static void
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CopySections(const unsigned char *data, PIMAGE_NT_HEADERS old_headers, PMEMORYMODULE module)
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{
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int i, size;
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unsigned char *codeBase = module->codeBase;
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unsigned char *dest;
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PIMAGE_SECTION_HEADER section = IMAGE_FIRST_SECTION(module->headers);
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for (i=0; i<module->headers->FileHeader.NumberOfSections; i++, section++)
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{
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if (section->SizeOfRawData == 0)
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{
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// section doesn't contain data in the dll itself, but may define
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// uninitialized data
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size = old_headers->OptionalHeader.SectionAlignment;
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if (size > 0)
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{
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dest = (unsigned char *)VirtualAlloc(codeBase + section->VirtualAddress,
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size,
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MEM_COMMIT,
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PAGE_READWRITE);
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section->Misc.PhysicalAddress = (DWORD)dest;
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memset(dest, 0, size);
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}
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// section is empty
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continue;
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}
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// commit memory block and copy data from dll
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dest = (unsigned char *)VirtualAlloc(codeBase + section->VirtualAddress,
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section->SizeOfRawData,
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MEM_COMMIT,
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PAGE_READWRITE);
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memcpy(dest, data + section->PointerToRawData, section->SizeOfRawData);
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section->Misc.PhysicalAddress = (DWORD)dest;
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}
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}
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// Protection flags for memory pages (Executable, Readable, Writeable)
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static int ProtectionFlags[2][2][2] = {
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{
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// not executable
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{PAGE_NOACCESS, PAGE_WRITECOPY},
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{PAGE_READONLY, PAGE_READWRITE},
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}, {
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// executable
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{PAGE_EXECUTE, PAGE_EXECUTE_WRITECOPY},
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{PAGE_EXECUTE_READ, PAGE_EXECUTE_READWRITE},
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},
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};
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static void
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FinalizeSections(PMEMORYMODULE module)
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{
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int i;
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PIMAGE_SECTION_HEADER section = IMAGE_FIRST_SECTION(module->headers);
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// loop through all sections and change access flags
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for (i=0; i<module->headers->FileHeader.NumberOfSections; i++, section++)
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{
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DWORD protect, oldProtect, size;
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int executable = (section->Characteristics & IMAGE_SCN_MEM_EXECUTE) != 0;
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int readable = (section->Characteristics & IMAGE_SCN_MEM_READ) != 0;
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int writeable = (section->Characteristics & IMAGE_SCN_MEM_WRITE) != 0;
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if (section->Characteristics & IMAGE_SCN_MEM_DISCARDABLE)
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{
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// section is not needed any more and can safely be freed
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VirtualFree((LPVOID)section->Misc.PhysicalAddress, section->SizeOfRawData, MEM_DECOMMIT);
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continue;
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}
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// determine protection flags based on characteristics
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protect = ProtectionFlags[executable][readable][writeable];
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if (section->Characteristics & IMAGE_SCN_MEM_NOT_CACHED)
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protect |= PAGE_NOCACHE;
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// determine size of region
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size = section->SizeOfRawData;
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if (size == 0)
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{
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if (section->Characteristics & IMAGE_SCN_CNT_INITIALIZED_DATA)
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size = module->headers->OptionalHeader.SizeOfInitializedData;
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else if (section->Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
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size = module->headers->OptionalHeader.SizeOfUninitializedData;
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}
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if (size > 0)
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{
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// change memory access flags
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if (VirtualProtect((LPVOID)section->Misc.PhysicalAddress, section->SizeOfRawData, protect, &oldProtect) == 0)
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#if DEBUG_OUTPUT
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OutputLastError("Error protecting memory page")
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#endif
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;
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}
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}
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}
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static void
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PerformBaseRelocation(PMEMORYMODULE module, DWORD delta)
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{
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DWORD i;
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unsigned char *codeBase = module->codeBase;
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PIMAGE_DATA_DIRECTORY directory = GET_HEADER_DICTIONARY(module, IMAGE_DIRECTORY_ENTRY_BASERELOC);
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if (directory->Size > 0)
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{
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PIMAGE_BASE_RELOCATION relocation = (PIMAGE_BASE_RELOCATION)(codeBase + directory->VirtualAddress);
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for (; relocation->VirtualAddress > 0; )
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{
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unsigned char *dest = (unsigned char *)(codeBase + relocation->VirtualAddress);
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unsigned short *relInfo = (unsigned short *)((unsigned char *)relocation + IMAGE_SIZEOF_BASE_RELOCATION);
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for (i=0; i<((relocation->SizeOfBlock-IMAGE_SIZEOF_BASE_RELOCATION) / 2); i++, relInfo++)
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{
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DWORD *patchAddrHL;
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int type, offset;
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// the upper 4 bits define the type of relocation
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type = *relInfo >> 12;
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// the lower 12 bits define the offset
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offset = *relInfo & 0xfff;
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switch (type)
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{
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case IMAGE_REL_BASED_ABSOLUTE:
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// skip relocation
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break;
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case IMAGE_REL_BASED_HIGHLOW:
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// change complete 32 bit address
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patchAddrHL = (DWORD *)(dest + offset);
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*patchAddrHL += delta;
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break;
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default:
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//printf("Unknown relocation: %d\n", type);
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break;
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}
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}
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// advance to next relocation block
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relocation = (PIMAGE_BASE_RELOCATION)(((DWORD)relocation) + relocation->SizeOfBlock);
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}
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}
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}
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static int
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BuildImportTable(PMEMORYMODULE module)
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{
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int result=1;
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unsigned char *codeBase = module->codeBase;
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PIMAGE_DATA_DIRECTORY directory = GET_HEADER_DICTIONARY(module, IMAGE_DIRECTORY_ENTRY_IMPORT);
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if (directory->Size > 0)
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{
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PIMAGE_IMPORT_DESCRIPTOR importDesc = (PIMAGE_IMPORT_DESCRIPTOR)(codeBase + directory->VirtualAddress);
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for (; !IsBadReadPtr(importDesc, sizeof(IMAGE_IMPORT_DESCRIPTOR)) && importDesc->Name; importDesc++)
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{
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DWORD *thunkRef, *funcRef;
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HMODULE handle;
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handle = MyLoadLibrary(codeBase + importDesc->Name);
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if (handle == INVALID_HANDLE_VALUE)
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{
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//LastError should already be set
|
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#if DEBUG_OUTPUT
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OutputLastError("Can't load library");
|
||||
#endif
|
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result = 0;
|
||||
break;
|
||||
}
|
||||
|
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module->modules = (HMODULE *)realloc(module->modules, (module->numModules+1)*(sizeof(HMODULE)));
|
||||
if (module->modules == NULL)
|
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{
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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result = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
module->modules[module->numModules++] = handle;
|
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if (importDesc->OriginalFirstThunk)
|
||||
{
|
||||
thunkRef = (DWORD *)(codeBase + importDesc->OriginalFirstThunk);
|
||||
funcRef = (DWORD *)(codeBase + importDesc->FirstThunk);
|
||||
} else {
|
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// no hint table
|
||||
thunkRef = (DWORD *)(codeBase + importDesc->FirstThunk);
|
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funcRef = (DWORD *)(codeBase + importDesc->FirstThunk);
|
||||
}
|
||||
for (; *thunkRef; thunkRef++, funcRef++)
|
||||
{
|
||||
if IMAGE_SNAP_BY_ORDINAL(*thunkRef) {
|
||||
*funcRef = (DWORD)MyGetProcAddress(handle, (LPCSTR)IMAGE_ORDINAL(*thunkRef));
|
||||
} else {
|
||||
PIMAGE_IMPORT_BY_NAME thunkData = (PIMAGE_IMPORT_BY_NAME)(codeBase + *thunkRef);
|
||||
*funcRef = (DWORD)MyGetProcAddress(handle, (LPCSTR)&thunkData->Name);
|
||||
}
|
||||
if (*funcRef == 0)
|
||||
{
|
||||
SetLastError(ERROR_PROC_NOT_FOUND);
|
||||
result = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!result)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/*
|
||||
MemoryLoadLibrary - load a library AS MEMORY MODULE, or return
|
||||
existing MEMORY MODULE with increased refcount.
|
||||
|
||||
This allows to load a library AGAIN as memory module which is
|
||||
already loaded as HMODULE!
|
||||
|
||||
*/
|
||||
HMEMORYMODULE MemoryLoadLibrary(char *name, const void *data)
|
||||
{
|
||||
PMEMORYMODULE result;
|
||||
PIMAGE_DOS_HEADER dos_header;
|
||||
PIMAGE_NT_HEADERS old_header;
|
||||
unsigned char *code, *headers;
|
||||
DWORD locationDelta;
|
||||
DllEntryProc DllEntry;
|
||||
BOOL successfull;
|
||||
MEMORYMODULE *p = loaded;
|
||||
|
||||
while (p) {
|
||||
// If already loaded, only increment the reference count
|
||||
if (0 == stricmp(name, p->name)) {
|
||||
p->refcount++;
|
||||
return (HMODULE)p;
|
||||
}
|
||||
p = p->next;
|
||||
}
|
||||
|
||||
/* Do NOT check for GetModuleHandle here! */
|
||||
|
||||
dos_header = (PIMAGE_DOS_HEADER)data;
|
||||
if (dos_header->e_magic != IMAGE_DOS_SIGNATURE)
|
||||
{
|
||||
SetLastError(ERROR_BAD_FORMAT);
|
||||
#if DEBUG_OUTPUT
|
||||
OutputDebugString("Not a valid executable file.\n");
|
||||
#endif
|
||||
return NULL;
|
||||
}
|
||||
|
||||
old_header = (PIMAGE_NT_HEADERS)&((const unsigned char *)(data))[dos_header->e_lfanew];
|
||||
if (old_header->Signature != IMAGE_NT_SIGNATURE)
|
||||
{
|
||||
SetLastError(ERROR_BAD_FORMAT);
|
||||
#if DEBUG_OUTPUT
|
||||
OutputDebugString("No PE header found.\n");
|
||||
#endif
|
||||
return NULL;
|
||||
}
|
||||
|
||||
// reserve memory for image of library
|
||||
code = (unsigned char *)VirtualAlloc((LPVOID)(old_header->OptionalHeader.ImageBase),
|
||||
old_header->OptionalHeader.SizeOfImage,
|
||||
MEM_RESERVE,
|
||||
PAGE_READWRITE);
|
||||
|
||||
if (code == NULL)
|
||||
// try to allocate memory at arbitrary position
|
||||
code = (unsigned char *)VirtualAlloc(NULL,
|
||||
old_header->OptionalHeader.SizeOfImage,
|
||||
MEM_RESERVE,
|
||||
PAGE_READWRITE);
|
||||
|
||||
if (code == NULL)
|
||||
{
|
||||
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
||||
#if DEBUG_OUTPUT
|
||||
OutputLastError("Can't reserve memory");
|
||||
#endif
|
||||
return NULL;
|
||||
}
|
||||
|
||||
result = (PMEMORYMODULE)HeapAlloc(GetProcessHeap(), 0, sizeof(MEMORYMODULE));
|
||||
result->codeBase = code;
|
||||
result->numModules = 0;
|
||||
result->modules = NULL;
|
||||
result->initialized = 0;
|
||||
result->next = result->prev = NULL;
|
||||
result->refcount = 1;
|
||||
result->name = strdup(name);
|
||||
result->name_table = NULL;
|
||||
|
||||
// XXX: is it correct to commit the complete memory region at once?
|
||||
// calling DllEntry raises an exception if we don't...
|
||||
VirtualAlloc(code,
|
||||
old_header->OptionalHeader.SizeOfImage,
|
||||
MEM_COMMIT,
|
||||
PAGE_READWRITE);
|
||||
|
||||
// commit memory for headers
|
||||
headers = (unsigned char *)VirtualAlloc(code,
|
||||
old_header->OptionalHeader.SizeOfHeaders,
|
||||
MEM_COMMIT,
|
||||
PAGE_READWRITE);
|
||||
|
||||
// copy PE header to code
|
||||
memcpy(headers, dos_header, dos_header->e_lfanew + old_header->OptionalHeader.SizeOfHeaders);
|
||||
result->headers = (PIMAGE_NT_HEADERS)&((const unsigned char *)(headers))[dos_header->e_lfanew];
|
||||
|
||||
// update position
|
||||
result->headers->OptionalHeader.ImageBase = (DWORD)code;
|
||||
|
||||
// copy sections from DLL file block to new memory location
|
||||
CopySections(data, old_header, result);
|
||||
|
||||
// adjust base address of imported data
|
||||
locationDelta = (DWORD)(code - old_header->OptionalHeader.ImageBase);
|
||||
if (locationDelta != 0)
|
||||
PerformBaseRelocation(result, locationDelta);
|
||||
|
||||
// load required dlls and adjust function table of imports
|
||||
if (!BuildImportTable(result))
|
||||
goto error;
|
||||
|
||||
// mark memory pages depending on section headers and release
|
||||
// sections that are marked as "discardable"
|
||||
FinalizeSections(result);
|
||||
|
||||
// get entry point of loaded library
|
||||
if (result->headers->OptionalHeader.AddressOfEntryPoint != 0)
|
||||
{
|
||||
DllEntry = (DllEntryProc)(code + result->headers->OptionalHeader.AddressOfEntryPoint);
|
||||
if (DllEntry == 0)
|
||||
{
|
||||
SetLastError(ERROR_BAD_FORMAT); /* XXX ? */
|
||||
#if DEBUG_OUTPUT
|
||||
OutputDebugString("Library has no entry point.\n");
|
||||
#endif
|
||||
goto error;
|
||||
}
|
||||
|
||||
// notify library about attaching to process
|
||||
successfull = (*DllEntry)((HINSTANCE)code, DLL_PROCESS_ATTACH, 0);
|
||||
if (!successfull)
|
||||
{
|
||||
#if DEBUG_OUTPUT
|
||||
OutputDebugString("Can't attach library.\n");
|
||||
#endif
|
||||
goto error;
|
||||
}
|
||||
result->initialized = 1;
|
||||
}
|
||||
|
||||
_Register(name, result);
|
||||
|
||||
return (HMEMORYMODULE)result;
|
||||
|
||||
error:
|
||||
// cleanup
|
||||
free(result->name);
|
||||
MemoryFreeLibrary(result);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int _compare(const struct NAME_TABLE *p1, const struct NAME_TABLE *p2)
|
||||
{
|
||||
return stricmp(p1->name, p2->name);
|
||||
}
|
||||
|
||||
int _find(const char **name, const struct NAME_TABLE *p)
|
||||
{
|
||||
return stricmp(*name, p->name);
|
||||
}
|
||||
|
||||
struct NAME_TABLE *GetNameTable(PMEMORYMODULE module)
|
||||
{
|
||||
unsigned char *codeBase;
|
||||
PIMAGE_EXPORT_DIRECTORY exports;
|
||||
PIMAGE_DATA_DIRECTORY directory;
|
||||
DWORD i, *nameRef;
|
||||
WORD *ordinal;
|
||||
struct NAME_TABLE *p, *ptab;
|
||||
|
||||
if (module->name_table)
|
||||
return module->name_table;
|
||||
|
||||
codeBase = module->codeBase;
|
||||
directory = GET_HEADER_DICTIONARY(module, IMAGE_DIRECTORY_ENTRY_EXPORT);
|
||||
exports = (PIMAGE_EXPORT_DIRECTORY)(codeBase + directory->VirtualAddress);
|
||||
|
||||
nameRef = (DWORD *)(codeBase + exports->AddressOfNames);
|
||||
ordinal = (WORD *)(codeBase + exports->AddressOfNameOrdinals);
|
||||
|
||||
p = ((PMEMORYMODULE)module)->name_table = (struct NAME_TABLE *)malloc(sizeof(struct NAME_TABLE)
|
||||
* exports->NumberOfNames);
|
||||
if (p == NULL)
|
||||
return NULL;
|
||||
ptab = p;
|
||||
for (i=0; i<exports->NumberOfNames; ++i) {
|
||||
p->name = (char *)(codeBase + *nameRef++);
|
||||
p->ordinal = *ordinal++;
|
||||
++p;
|
||||
}
|
||||
qsort(ptab, exports->NumberOfNames, sizeof(struct NAME_TABLE), _compare);
|
||||
return ptab;
|
||||
}
|
||||
|
||||
FARPROC MemoryGetProcAddress(HMEMORYMODULE module, const char *name)
|
||||
{
|
||||
unsigned char *codeBase = ((PMEMORYMODULE)module)->codeBase;
|
||||
int idx=-1;
|
||||
PIMAGE_EXPORT_DIRECTORY exports;
|
||||
PIMAGE_DATA_DIRECTORY directory = GET_HEADER_DICTIONARY((PMEMORYMODULE)module, IMAGE_DIRECTORY_ENTRY_EXPORT);
|
||||
|
||||
if (directory->Size == 0)
|
||||
// no export table found
|
||||
return NULL;
|
||||
|
||||
exports = (PIMAGE_EXPORT_DIRECTORY)(codeBase + directory->VirtualAddress);
|
||||
if (exports->NumberOfNames == 0 || exports->NumberOfFunctions == 0)
|
||||
// DLL doesn't export anything
|
||||
return NULL;
|
||||
|
||||
if (HIWORD(name)) {
|
||||
struct NAME_TABLE *ptab;
|
||||
struct NAME_TABLE *found;
|
||||
ptab = GetNameTable((PMEMORYMODULE)module);
|
||||
if (ptab == NULL)
|
||||
// some failure
|
||||
return NULL;
|
||||
found = bsearch(&name, ptab, exports->NumberOfNames, sizeof(struct NAME_TABLE), _find);
|
||||
if (found == NULL)
|
||||
// exported symbol not found
|
||||
return NULL;
|
||||
|
||||
idx = found->ordinal;
|
||||
}
|
||||
else
|
||||
idx = LOWORD(name) - exports->Base;
|
||||
|
||||
if ((DWORD)idx > exports->NumberOfFunctions)
|
||||
// name <-> ordinal number don't match
|
||||
return NULL;
|
||||
|
||||
// AddressOfFunctions contains the RVAs to the "real" functions
|
||||
return (FARPROC)(codeBase + *(DWORD *)(codeBase + exports->AddressOfFunctions + (idx*4)));
|
||||
}
|
||||
|
||||
void MemoryFreeLibrary(HMEMORYMODULE mod)
|
||||
{
|
||||
int i;
|
||||
PMEMORYMODULE module = (PMEMORYMODULE)mod;
|
||||
|
||||
if (module != NULL)
|
||||
{
|
||||
if (module->initialized != 0)
|
||||
{
|
||||
// notify library about detaching from process
|
||||
DllEntryProc DllEntry = (DllEntryProc)(module->codeBase + module->headers->OptionalHeader.AddressOfEntryPoint);
|
||||
(*DllEntry)((HINSTANCE)module->codeBase, DLL_PROCESS_DETACH, 0);
|
||||
module->initialized = 0;
|
||||
}
|
||||
|
||||
if (module->modules != NULL)
|
||||
{
|
||||
// free previously opened libraries
|
||||
for (i=0; i<module->numModules; i++)
|
||||
if (module->modules[i] != INVALID_HANDLE_VALUE)
|
||||
MyFreeLibrary(module->modules[i]);
|
||||
|
||||
free(module->modules);
|
||||
}
|
||||
|
||||
if (module->codeBase != NULL)
|
||||
// release memory of library
|
||||
VirtualFree(module->codeBase, 0, MEM_RELEASE);
|
||||
|
||||
if (module->name_table != NULL)
|
||||
free(module->name_table);
|
||||
|
||||
HeapFree(GetProcessHeap(), 0, module);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user