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Implement Heap32First and Heap32Next based on the documentation on http://securityxploded.com/enumheaps.php

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svn path=/trunk/; revision=27692
This commit is contained in:
Thomas Bluemel 2007-07-16 12:21:38 +00:00
parent 938646d914
commit 4aa6574ca2
1 changed files with 167 additions and 6 deletions
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173
reactos/dll/win32/kernel32/misc/toolhelp.c
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@ -25,6 +25,15 @@
/* INTERNAL DEFINITIONS *******************************************************/
typedef struct _RTLP_HEAP_ENTRY
{
ULONG Size;
USHORT Flags;
USHORT Unknown1; /* FIXME */
ULONG Unknown2; /* FIXME */
PVOID Address;
} RTLP_HEAP_ENTRY, *PRTLP_HEAP_ENTRY;
#define CHECK_PARAM_SIZE(ptr, siz) \
if((ptr) == NULL || (ptr)->dwSize != (siz)) \
{ \
@ -473,30 +482,182 @@ TH32CreateSnapshotSectionInitialize(DWORD dwFlags,
/* PUBLIC FUNCTIONS ***********************************************************/
/*
* @unimplemented
* @implemented
*/
BOOL
STDCALL
Heap32First(LPHEAPENTRY32 lphe, DWORD th32ProcessID, DWORD th32HeapID)
{
PRTL_DEBUG_INFORMATION DebugInfo;
PRTL_HEAP_INFORMATION Heap;
PRTLP_HEAP_ENTRY Block, LastBlock;
ULONG i;
NTSTATUS Status;
CHECK_PARAM_SIZE(lphe, sizeof(HEAPENTRY32));
SetLastError(ERROR_NO_MORE_FILES);
return FALSE;
DebugInfo = RtlCreateQueryDebugBuffer(0,
FALSE);
if (DebugInfo == NULL)
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
Status = RtlQueryProcessDebugInformation(th32ProcessID,
RTL_DEBUG_QUERY_HEAPS | RTL_DEBUG_QUERY_HEAP_BLOCKS,
DebugInfo);
if (NT_SUCCESS(Status))
{
Status = STATUS_NO_MORE_FILES;
for (i = 0;
i != DebugInfo->Heaps->NumberOfHeaps;
i++)
{
Heap = &DebugInfo->Heaps->Heaps[i];
if ((ULONG_PTR)Heap->BaseAddress == th32HeapID)
{
lphe->hHandle = (HANDLE)Heap->BaseAddress;
lphe->dwAddress = 0;
lphe->dwBlockSize = 0;
lphe->dwFlags = 0;
lphe->dwLockCount = 0;
lphe->dwResvd = 0;
lphe->th32ProcessID = th32ProcessID;
lphe->th32HeapID = (ULONG_PTR)Heap->BaseAddress;
Block = (PRTLP_HEAP_ENTRY)Heap->Entries;
LastBlock = Block + Heap->NumberOfEntries;
while (Block != LastBlock && (Block->Flags & PROCESS_HEAP_UNCOMMITTED_RANGE))
{
lphe->dwResvd++;
lphe->dwAddress = (ULONG_PTR)((ULONG_PTR)Block->Address + Heap->EntryOverhead);
Block++;
}
if (Block != LastBlock && lphe->dwResvd != 0)
{
lphe->dwBlockSize = Block->Size;
if (Block->Flags & 0x2F1) /* FIXME */
lphe->dwFlags = LF32_FIXED;
else if (Block->Flags & 0x20) /* FIXME */
lphe->dwFlags = LF32_MOVEABLE;
else if (Block->Flags & 0x100) /* FIXME */
lphe->dwFlags = LF32_FREE;
Status = STATUS_SUCCESS;
}
break;
}
}
}
RtlDestroyQueryDebugBuffer(DebugInfo);
if (!NT_SUCCESS(Status))
{
SetLastErrorByStatus(Status);
return FALSE;
}
return TRUE;
}
/*
* @unimplemented
* @implemented
*/
BOOL
STDCALL
Heap32Next(LPHEAPENTRY32 lphe)
{
PRTL_DEBUG_INFORMATION DebugInfo;
PRTL_HEAP_INFORMATION Heap;
PRTLP_HEAP_ENTRY Block, LastBlock;
BOOLEAN FoundUncommitted = FALSE;
ULONG i;
NTSTATUS Status;
CHECK_PARAM_SIZE(lphe, sizeof(HEAPENTRY32));
SetLastError(ERROR_NO_MORE_FILES);
return FALSE;
DebugInfo = RtlCreateQueryDebugBuffer(0,
FALSE);
if (DebugInfo == NULL)
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
Status = RtlQueryProcessDebugInformation(lphe->th32ProcessID,
RTL_DEBUG_QUERY_HEAPS | RTL_DEBUG_QUERY_HEAP_BLOCKS,
DebugInfo);
if (NT_SUCCESS(Status))
{
Status = STATUS_NO_MORE_FILES;
for (i = 0;
i != DebugInfo->Heaps->NumberOfHeaps;
i++)
{
Heap = &DebugInfo->Heaps->Heaps[i];
if ((ULONG_PTR)Heap->BaseAddress == lphe->th32HeapID)
{
if (++lphe->dwResvd < Heap->NumberOfEntries)
{
lphe->dwFlags = 0;
Block = (PRTLP_HEAP_ENTRY)Heap->Entries + lphe->dwResvd;
LastBlock = (PRTLP_HEAP_ENTRY)Heap->Entries + Heap->NumberOfEntries;
while (Block < LastBlock && (Block->Flags & PROCESS_HEAP_UNCOMMITTED_RANGE))
{
lphe->dwResvd++;
lphe->dwAddress = (ULONG_PTR)((ULONG_PTR)Block->Address + Heap->EntryOverhead);
FoundUncommitted = TRUE;
Block++;
}
if (Block < LastBlock)
{
if (!FoundUncommitted)
lphe->dwAddress += lphe->dwBlockSize;
lphe->dwBlockSize = Block->Size;
if (Block->Flags & 0x2F1) /* FIXME */
lphe->dwFlags = LF32_FIXED;
else if (Block->Flags & 0x20) /* FIXME */
lphe->dwFlags = LF32_MOVEABLE;
else if (Block->Flags & 0x100) /* FIXME */
lphe->dwFlags = LF32_FREE;
Status = STATUS_SUCCESS;
}
}
break;
}
}
}
RtlDestroyQueryDebugBuffer(DebugInfo);
if (!NT_SUCCESS(Status))
{
SetLastErrorByStatus(Status);
return FALSE;
}
return TRUE;
}