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use different function to enumarte modules for mingw build

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This commit is contained in:
FunkyFr3sh 2023-10-23 08:20:25 +02:00
parent 0f08cbcc65
commit bae707f865
3 changed files with 60 additions and 26 deletions
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57
src/utils.c
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@ -11,6 +11,63 @@
#include "config.h"
/*
The following code is licensed under the MIT license:
DetourEnumerateModules
Copyright (c) Microsoft Corporation
https://github.com/microsoft/Detours
*/
#define MM_ALLOCATION_GRANULARITY 0x10000
HMODULE WINAPI util_enumerate_modules(_In_opt_ HMODULE hModuleLast)
{
PBYTE pbLast = (PBYTE)hModuleLast + MM_ALLOCATION_GRANULARITY;
MEMORY_BASIC_INFORMATION mbi;
ZeroMemory(&mbi, sizeof(mbi));
// Find the next memory region that contains a mapped PE image.
//
for (;; pbLast = (PBYTE)mbi.BaseAddress + mbi.RegionSize) {
if (VirtualQuery(pbLast, &mbi, sizeof(mbi)) <= 0) {
break;
}
// Skip uncommitted regions and guard pages.
//
if ((mbi.State != MEM_COMMIT) ||
((mbi.Protect & 0xff) == PAGE_NOACCESS) ||
(mbi.Protect & PAGE_GUARD)) {
continue;
}
__try {
PIMAGE_DOS_HEADER pDosHeader = (PIMAGE_DOS_HEADER)pbLast;
if (pDosHeader->e_magic != IMAGE_DOS_SIGNATURE ||
(DWORD)pDosHeader->e_lfanew > mbi.RegionSize ||
(DWORD)pDosHeader->e_lfanew < sizeof(*pDosHeader)) {
continue;
}
PIMAGE_NT_HEADERS pNtHeader = (PIMAGE_NT_HEADERS)((PBYTE)pDosHeader +
pDosHeader->e_lfanew);
if (pNtHeader->Signature != IMAGE_NT_SIGNATURE) {
continue;
}
return (HMODULE)pDosHeader;
}
#if defined(_MSC_VER)
#pragma prefast(suppress:28940, "A bad pointer means this probably isn't a PE header.")
#endif
__except (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION ?
EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH) {
continue;
}
}
return NULL;
}
BOOL util_is_bad_read_ptr(void* p)
{
MEMORY_BASIC_INFORMATION mbi = { 0 };