INT_PTR CALLBACK PhpProcessMemoryDlgProc(
_In_ HWND hwndDlg,
_In_ UINT uMsg,
_In_ WPARAM wParam,
_In_ LPARAM lParam
)
{
LPPROPSHEETPAGE propSheetPage;
PPH_PROCESS_PROPPAGECONTEXT propPageContext;
PPH_PROCESS_ITEM processItem;
PPH_MEMORY_CONTEXT memoryContext;
HWND tnHandle;
if (PhpPropPageDlgProcHeader(hwndDlg, uMsg, lParam,
&propSheetPage, &propPageContext, &processItem))
{
memoryContext = (PPH_MEMORY_CONTEXT)propPageContext->Context;
if (memoryContext)
tnHandle = memoryContext->ListContext.TreeNewHandle;
}
else
{
return FALSE;
}
switch (uMsg)
{
case WM_INITDIALOG:
{
memoryContext = propPageContext->Context =
PhAllocate(PhEmGetObjectSize(EmMemoryContextType, sizeof(PH_MEMORY_CONTEXT)));
memset(memoryContext, 0, sizeof(PH_MEMORY_CONTEXT));
memoryContext->ProcessId = processItem->ProcessId;
// Initialize the list.
tnHandle = GetDlgItem(hwndDlg, IDC_LIST);
BringWindowToTop(tnHandle);
PhInitializeMemoryList(hwndDlg, tnHandle, &memoryContext->ListContext);
TreeNew_SetEmptyText(tnHandle, &PhpLoadingText, 0);
memoryContext->LastRunStatus = -1;
memoryContext->ErrorMessage = NULL;
PhEmCallObjectOperation(EmMemoryContextType, memoryContext, EmObjectCreate);
if (PhPluginsEnabled)
{
PH_PLUGIN_TREENEW_INFORMATION treeNewInfo;
treeNewInfo.TreeNewHandle = tnHandle;
treeNewInfo.CmData = &memoryContext->ListContext.Cm;
treeNewInfo.SystemContext = memoryContext;
PhInvokeCallback(PhGetGeneralCallback(GeneralCallbackMemoryTreeNewInitializing), &treeNewInfo);
}
PhLoadSettingsMemoryList(&memoryContext->ListContext);
PhSetOptionsMemoryList(&memoryContext->ListContext, TRUE);
Button_SetCheck(GetDlgItem(hwndDlg, IDC_HIDEFREEREGIONS),
memoryContext->ListContext.HideFreeRegions ? BST_CHECKED : BST_UNCHECKED);
PhpRefreshProcessMemoryList(hwndDlg, propPageContext);
}
break;
case WM_DESTROY:
{
PhEmCallObjectOperation(EmMemoryContextType, memoryContext, EmObjectDelete);
if (PhPluginsEnabled)
{
PH_PLUGIN_TREENEW_INFORMATION treeNewInfo;
treeNewInfo.TreeNewHandle = tnHandle;
treeNewInfo.CmData = &memoryContext->ListContext.Cm;
PhInvokeCallback(PhGetGeneralCallback(GeneralCallbackMemoryTreeNewUninitializing), &treeNewInfo);
}
PhSaveSettingsMemoryList(&memoryContext->ListContext);
PhDeleteMemoryList(&memoryContext->ListContext);
if (memoryContext->MemoryItemListValid)
PhDeleteMemoryItemList(&memoryContext->MemoryItemList);
PhClearReference(&memoryContext->ErrorMessage);
PhFree(memoryContext);
PhpPropPageDlgProcDestroy(hwndDlg);
}
break;
case WM_SHOWWINDOW:
{
if (!propPageContext->LayoutInitialized)
{
PPH_LAYOUT_ITEM dialogItem;
dialogItem = PhAddPropPageLayoutItem(hwndDlg, hwndDlg,
PH_PROP_PAGE_TAB_CONTROL_PARENT, PH_ANCHOR_ALL);
PhAddPropPageLayoutItem(hwndDlg, GetDlgItem(hwndDlg, IDC_STRINGS),
dialogItem, PH_ANCHOR_TOP | PH_ANCHOR_RIGHT);
PhAddPropPageLayoutItem(hwndDlg, GetDlgItem(hwndDlg, IDC_REFRESH),
dialogItem, PH_ANCHOR_TOP | PH_ANCHOR_RIGHT);
PhAddPropPageLayoutItem(hwndDlg, memoryContext->ListContext.TreeNewHandle,
dialogItem, PH_ANCHOR_ALL);
PhDoPropPageLayout(hwndDlg);
propPageContext->LayoutInitialized = TRUE;
}
}
break;
case WM_COMMAND:
{
switch (LOWORD(wParam))
{
case ID_SHOWCONTEXTMENU:
{
PhShowMemoryContextMenu(hwndDlg, processItem, memoryContext, (PPH_TREENEW_CONTEXT_MENU)lParam);
}
break;
case ID_MEMORY_READWRITEMEMORY:
{
PPH_MEMORY_NODE memoryNode = PhGetSelectedMemoryNode(&memoryContext->ListContext);
if (memoryNode && !memoryNode->IsAllocationBase)
{
if (memoryNode->MemoryItem->State & MEM_COMMIT)
{
PPH_SHOWMEMORYEDITOR showMemoryEditor = PhAllocate(sizeof(PH_SHOWMEMORYEDITOR));
memset(showMemoryEditor, 0, sizeof(PH_SHOWMEMORYEDITOR));
showMemoryEditor->ProcessId = processItem->ProcessId;
showMemoryEditor->BaseAddress = memoryNode->MemoryItem->BaseAddress;
showMemoryEditor->RegionSize = memoryNode->MemoryItem->RegionSize;
showMemoryEditor->SelectOffset = -1;
showMemoryEditor->SelectLength = 0;
ProcessHacker_ShowMemoryEditor(PhMainWndHandle, showMemoryEditor);
}
else
{
PhShowError(hwndDlg, L"Unable to edit the memory region because it is not committed.");
}
}
}
break;
case ID_MEMORY_SAVE:
{
NTSTATUS status;
HANDLE processHandle;
PPH_MEMORY_NODE *memoryNodes;
ULONG numberOfMemoryNodes;
if (!NT_SUCCESS(status = PhOpenProcess(
&processHandle,
PROCESS_VM_READ,
processItem->ProcessId
)))
{
PhShowStatus(hwndDlg, L"Unable to open the process", status, 0);
break;
}
PhGetSelectedMemoryNodes(&memoryContext->ListContext, &memoryNodes, &numberOfMemoryNodes);
if (numberOfMemoryNodes != 0)
{
static PH_FILETYPE_FILTER filters[] =
{
{ L"Binary files (*.bin)", L"*.bin" },
{ L"All files (*.*)", L"*.*" }
};
PVOID fileDialog;
fileDialog = PhCreateSaveFileDialog();
PhSetFileDialogFilter(fileDialog, filters, sizeof(filters) / sizeof(PH_FILETYPE_FILTER));
PhSetFileDialogFileName(fileDialog, PhaConcatStrings2(processItem->ProcessName->Buffer, L".bin")->Buffer);
if (PhShowFileDialog(hwndDlg, fileDialog))
{
PPH_STRING fileName;
PPH_FILE_STREAM fileStream;
PVOID buffer;
ULONG i;
ULONG_PTR offset;
fileName = PH_AUTO(PhGetFileDialogFileName(fileDialog));
if (NT_SUCCESS(status = PhCreateFileStream(
&fileStream,
fileName->Buffer,
FILE_GENERIC_WRITE,
FILE_SHARE_READ,
FILE_OVERWRITE_IF,
0
)))
{
buffer = PhAllocatePage(PAGE_SIZE, NULL);
// Go through each selected memory item and append the region contents
// to the file.
for (i = 0; i < numberOfMemoryNodes; i++)
{
PPH_MEMORY_NODE memoryNode = memoryNodes[i];
PPH_MEMORY_ITEM memoryItem = memoryNode->MemoryItem;
if (!memoryNode->IsAllocationBase && !(memoryItem->State & MEM_COMMIT))
continue;
for (offset = 0; offset < memoryItem->RegionSize; offset += PAGE_SIZE)
{
if (NT_SUCCESS(NtReadVirtualMemory(
processHandle,
PTR_ADD_OFFSET(memoryItem->BaseAddress, offset),
buffer,
PAGE_SIZE,
NULL
)))
{
PhWriteFileStream(fileStream, buffer, PAGE_SIZE);
}
}
}
PhFreePage(buffer);
PhDereferenceObject(fileStream);
}
if (!NT_SUCCESS(status))
PhShowStatus(hwndDlg, L"Unable to create the file", status, 0);
}
PhFreeFileDialog(fileDialog);
}
PhFree(memoryNodes);
NtClose(processHandle);
}
break;
case ID_MEMORY_CHANGEPROTECTION:
{
PPH_MEMORY_NODE memoryNode = PhGetSelectedMemoryNode(&memoryContext->ListContext);
if (memoryNode)
{
PhReferenceObject(memoryNode->MemoryItem);
PhShowMemoryProtectDialog(hwndDlg, processItem, memoryNode->MemoryItem);
PhUpdateMemoryNode(&memoryContext->ListContext, memoryNode);
PhDereferenceObject(memoryNode->MemoryItem);
}
}
break;
case ID_MEMORY_FREE:
{
PPH_MEMORY_NODE memoryNode = PhGetSelectedMemoryNode(&memoryContext->ListContext);
if (memoryNode)
{
PhReferenceObject(memoryNode->MemoryItem);
PhUiFreeMemory(hwndDlg, processItem->ProcessId, memoryNode->MemoryItem, TRUE);
PhDereferenceObject(memoryNode->MemoryItem);
// TODO: somehow update the list
}
}
break;
case ID_MEMORY_DECOMMIT:
{
PPH_MEMORY_NODE memoryNode = PhGetSelectedMemoryNode(&memoryContext->ListContext);
if (memoryNode)
{
PhReferenceObject(memoryNode->MemoryItem);
PhUiFreeMemory(hwndDlg, processItem->ProcessId, memoryNode->MemoryItem, FALSE);
PhDereferenceObject(memoryNode->MemoryItem);
}
}
break;
case ID_MEMORY_READWRITEADDRESS:
{
PPH_STRING selectedChoice = NULL;
if (!memoryContext->MemoryItemListValid)
break;
while (PhaChoiceDialog(
hwndDlg,
L"Read/Write Address",
L"Enter an address:",
NULL,
0,
NULL,
PH_CHOICE_DIALOG_USER_CHOICE,
&selectedChoice,
NULL,
L"MemoryReadWriteAddressChoices"
))
{
ULONG64 address64;
PVOID address;
if (selectedChoice->Length == 0)
continue;
if (PhStringToInteger64(&selectedChoice->sr, 0, &address64))
{
PPH_MEMORY_ITEM memoryItem;
address = (PVOID)address64;
memoryItem = PhLookupMemoryItemList(&memoryContext->MemoryItemList, address);
if (memoryItem)
{
PPH_SHOWMEMORYEDITOR showMemoryEditor = PhAllocate(sizeof(PH_SHOWMEMORYEDITOR));
memset(showMemoryEditor, 0, sizeof(PH_SHOWMEMORYEDITOR));
showMemoryEditor->ProcessId = processItem->ProcessId;
showMemoryEditor->BaseAddress = memoryItem->BaseAddress;
showMemoryEditor->RegionSize = memoryItem->RegionSize;
showMemoryEditor->SelectOffset = (ULONG)((ULONG_PTR)address - (ULONG_PTR)memoryItem->BaseAddress);
showMemoryEditor->SelectLength = 0;
ProcessHacker_ShowMemoryEditor(PhMainWndHandle, showMemoryEditor);
break;
}
else
{
PhShowError(hwndDlg, L"Unable to find the memory region for the selected address.");
}
}
}
}
break;
case ID_MEMORY_COPY:
{
PPH_STRING text;
text = PhGetTreeNewText(tnHandle, 0);
PhSetClipboardString(tnHandle, &text->sr);
PhDereferenceObject(text);
}
break;
case IDC_HIDEFREEREGIONS:
{
BOOLEAN hide;
hide = Button_GetCheck(GetDlgItem(hwndDlg, IDC_HIDEFREEREGIONS)) == BST_CHECKED;
PhSetOptionsMemoryList(&memoryContext->ListContext, hide);
}
break;
case IDC_STRINGS:
PhShowMemoryStringDialog(hwndDlg, processItem);
break;
case IDC_REFRESH:
PhpRefreshProcessMemoryList(hwndDlg, propPageContext);
break;
}
}
break;
}
return FALSE;
}
INT_PTR CALLBACK PhpMemoryEditorDlgProc(
_In_ HWND hwndDlg,
_In_ UINT uMsg,
_In_ WPARAM wParam,
_In_ LPARAM lParam
)
{
PMEMORY_EDITOR_CONTEXT context;
if (uMsg != WM_INITDIALOG)
{
context = GetProp(hwndDlg, PhMakeContextAtom());
}
else
{
context = (PMEMORY_EDITOR_CONTEXT)lParam;
SetProp(hwndDlg, PhMakeContextAtom(), (HANDLE)context);
}
if (!context)
return FALSE;
switch (uMsg)
{
case WM_INITDIALOG:
{
NTSTATUS status;
if (context->Title)
{
SetWindowText(hwndDlg, context->Title->Buffer);
}
else
{
PPH_PROCESS_ITEM processItem;
if (processItem = PhReferenceProcessItem(context->ProcessId))
{
SetWindowText(hwndDlg, PhaFormatString(L"%s (%u) (0x%Ix - 0x%Ix)",
processItem->ProcessName->Buffer, HandleToUlong(context->ProcessId),
context->BaseAddress, (ULONG_PTR)context->BaseAddress + context->RegionSize)->Buffer);
PhDereferenceObject(processItem);
}
}
PhInitializeLayoutManager(&context->LayoutManager, hwndDlg);
if (context->RegionSize > 1024 * 1024 * 1024) // 1 GB
{
PhShowError(NULL, L"Unable to edit the memory region because it is too large.");
return TRUE;
}
if (!NT_SUCCESS(status = PhOpenProcess(
&context->ProcessHandle,
PROCESS_VM_READ,
context->ProcessId
)))
{
PhShowStatus(NULL, L"Unable to open the process", status, 0);
return TRUE;
}
context->Buffer = PhAllocatePage(context->RegionSize, NULL);
if (!context->Buffer)
{
PhShowError(NULL, L"Unable to allocate memory for the buffer.");
return TRUE;
}
if (!NT_SUCCESS(status = PhReadVirtualMemory(
context->ProcessHandle,
context->BaseAddress,
context->Buffer,
context->RegionSize,
NULL
)))
{
PhShowStatus(PhMainWndHandle, L"Unable to read memory", status, 0);
return TRUE;
}
PhAddLayoutItem(&context->LayoutManager, GetDlgItem(hwndDlg, IDOK), NULL,
PH_ANCHOR_RIGHT | PH_ANCHOR_BOTTOM);
PhAddLayoutItem(&context->LayoutManager, GetDlgItem(hwndDlg, IDC_SAVE), NULL,
PH_ANCHOR_RIGHT | PH_ANCHOR_BOTTOM);
PhAddLayoutItem(&context->LayoutManager, GetDlgItem(hwndDlg, IDC_BYTESPERROW), NULL,
PH_ANCHOR_BOTTOM | PH_ANCHOR_LEFT);
PhAddLayoutItem(&context->LayoutManager, GetDlgItem(hwndDlg, IDC_GOTO), NULL,
PH_ANCHOR_BOTTOM | PH_ANCHOR_LEFT);
PhAddLayoutItem(&context->LayoutManager, GetDlgItem(hwndDlg, IDC_WRITE), NULL,
PH_ANCHOR_BOTTOM | PH_ANCHOR_LEFT);
PhAddLayoutItem(&context->LayoutManager, GetDlgItem(hwndDlg, IDC_REREAD), NULL,
PH_ANCHOR_BOTTOM | PH_ANCHOR_LEFT);
if (MinimumSize.left == -1)
{
RECT rect;
rect.left = 0;
rect.top = 0;
rect.right = 290;
rect.bottom = 140;
MapDialogRect(hwndDlg, &rect);
MinimumSize = rect;
MinimumSize.left = 0;
}
context->HexEditHandle = GetDlgItem(hwndDlg, IDC_MEMORY);
PhAddLayoutItem(&context->LayoutManager, context->HexEditHandle, NULL, PH_ANCHOR_ALL);
HexEdit_SetBuffer(context->HexEditHandle, context->Buffer, (ULONG)context->RegionSize);
{
PH_RECTANGLE windowRectangle;
windowRectangle.Position = PhGetIntegerPairSetting(L"MemEditPosition");
windowRectangle.Size = PhGetScalableIntegerPairSetting(L"MemEditSize", TRUE).Pair;
PhAdjustRectangleToWorkingArea(NULL, &windowRectangle);
MoveWindow(hwndDlg, windowRectangle.Left, windowRectangle.Top,
windowRectangle.Width, windowRectangle.Height, FALSE);
// Implement cascading by saving an offsetted rectangle.
windowRectangle.Left += 20;
windowRectangle.Top += 20;
PhSetIntegerPairSetting(L"MemEditPosition", windowRectangle.Position);
PhSetScalableIntegerPairSetting2(L"MemEditSize", windowRectangle.Size);
}
{
PWSTR bytesPerRowStrings[7];
ULONG i;
ULONG bytesPerRow;
for (i = 0; i < sizeof(bytesPerRowStrings) / sizeof(PWSTR); i++)
bytesPerRowStrings[i] = PhaFormatString(L"%u bytes per row", 1 << (2 + i))->Buffer;
PhAddComboBoxStrings(GetDlgItem(hwndDlg, IDC_BYTESPERROW),
bytesPerRowStrings, sizeof(bytesPerRowStrings) / sizeof(PWSTR));
bytesPerRow = PhGetIntegerSetting(L"MemEditBytesPerRow");
if (bytesPerRow >= 4)
{
HexEdit_SetBytesPerRow(context->HexEditHandle, bytesPerRow);
PhSelectComboBoxString(GetDlgItem(hwndDlg, IDC_BYTESPERROW),
PhaFormatString(L"%u bytes per row", bytesPerRow)->Buffer, FALSE);
}
}
context->LoadCompleted = TRUE;
}
break;
case WM_DESTROY:
{
if (context->LoadCompleted)
{
PhSaveWindowPlacementToSetting(L"MemEditPosition", L"MemEditSize", hwndDlg);
PhRemoveElementAvlTree(&PhMemoryEditorSet, &context->Links);
PhUnregisterDialog(hwndDlg);
}
RemoveProp(hwndDlg, PhMakeContextAtom());
PhDeleteLayoutManager(&context->LayoutManager);
if (context->Buffer) PhFreePage(context->Buffer);
if (context->ProcessHandle) NtClose(context->ProcessHandle);
PhClearReference(&context->Title);
if ((context->Flags & PH_MEMORY_EDITOR_UNMAP_VIEW_OF_SECTION) && context->ProcessId == NtCurrentProcessId())
NtUnmapViewOfSection(NtCurrentProcess(), context->BaseAddress);
PhFree(context);
}
break;
case WM_SHOWWINDOW:
{
SendMessage(hwndDlg, WM_NEXTDLGCTL, (WPARAM)context->HexEditHandle, TRUE);
}
break;
case WM_COMMAND:
{
switch (LOWORD(wParam))
{
case IDCANCEL:
case IDOK:
DestroyWindow(hwndDlg);
break;
case IDC_SAVE:
{
static PH_FILETYPE_FILTER filters[] =
{
{ L"Binary files (*.bin)", L"*.bin" },
{ L"All files (*.*)", L"*.*" }
};
PVOID fileDialog;
PPH_PROCESS_ITEM processItem;
fileDialog = PhCreateSaveFileDialog();
PhSetFileDialogFilter(fileDialog, filters, sizeof(filters) / sizeof(PH_FILETYPE_FILTER));
if (!context->Title && (processItem = PhReferenceProcessItem(context->ProcessId)))
{
PhSetFileDialogFileName(fileDialog,
PhaFormatString(L"%s_0x%Ix-0x%Ix.bin", processItem->ProcessName->Buffer,
context->BaseAddress, context->RegionSize)->Buffer);
PhDereferenceObject(processItem);
}
else
{
PhSetFileDialogFileName(fileDialog, L"Memory.bin");
}
if (PhShowFileDialog(hwndDlg, fileDialog))
{
NTSTATUS status;
PPH_STRING fileName;
PPH_FILE_STREAM fileStream;
fileName = PH_AUTO(PhGetFileDialogFileName(fileDialog));
if (NT_SUCCESS(status = PhCreateFileStream(
&fileStream,
fileName->Buffer,
FILE_GENERIC_WRITE,
FILE_SHARE_READ,
FILE_OVERWRITE_IF,
0
)))
{
status = PhWriteFileStream(fileStream, context->Buffer, (ULONG)context->RegionSize);
PhDereferenceObject(fileStream);
}
if (!NT_SUCCESS(status))
PhShowStatus(hwndDlg, L"Unable to create the file", status, 0);
}
PhFreeFileDialog(fileDialog);
}
break;
case IDC_GOTO:
{
PPH_STRING selectedChoice = NULL;
while (PhaChoiceDialog(
hwndDlg,
L"Go to Offset",
L"Enter an offset:",
NULL,
0,
NULL,
PH_CHOICE_DIALOG_USER_CHOICE,
&selectedChoice,
NULL,
L"MemEditGotoChoices"
))
{
ULONG64 offset;
if (selectedChoice->Length == 0)
continue;
if (PhStringToInteger64(&selectedChoice->sr, 0, &offset))
{
if (offset >= context->RegionSize)
{
PhShowError(hwndDlg, L"The offset is too large.");
continue;
}
SendMessage(hwndDlg, WM_NEXTDLGCTL, (WPARAM)context->HexEditHandle, TRUE);
HexEdit_SetSel(context->HexEditHandle, (LONG)offset, (LONG)offset);
break;
}
}
}
break;
case IDC_WRITE:
{
NTSTATUS status;
if (!context->WriteAccess)
{
HANDLE processHandle;
if (!NT_SUCCESS(status = PhOpenProcess(
&processHandle,
PROCESS_VM_READ | PROCESS_VM_WRITE,
context->ProcessId
)))
{
PhShowStatus(hwndDlg, L"Unable to open the process", status, 0);
break;
}
if (context->ProcessHandle) NtClose(context->ProcessHandle);
context->ProcessHandle = processHandle;
context->WriteAccess = TRUE;
}
if (!NT_SUCCESS(status = PhWriteVirtualMemory(
context->ProcessHandle,
context->BaseAddress,
context->Buffer,
context->RegionSize,
NULL
)))
{
PhShowStatus(hwndDlg, L"Unable to write memory", status, 0);
}
}
break;
case IDC_REREAD:
{
NTSTATUS status;
if (!NT_SUCCESS(status = PhReadVirtualMemory(
context->ProcessHandle,
context->BaseAddress,
context->Buffer,
context->RegionSize,
NULL
)))
{
PhShowStatus(hwndDlg, L"Unable to read memory", status, 0);
}
InvalidateRect(context->HexEditHandle, NULL, TRUE);
}
break;
case IDC_BYTESPERROW:
if (HIWORD(wParam) == CBN_SELCHANGE)
{
PPH_STRING bytesPerRowString = PhaGetDlgItemText(hwndDlg, IDC_BYTESPERROW);
PH_STRINGREF firstPart;
PH_STRINGREF secondPart;
ULONG64 bytesPerRow64;
if (PhSplitStringRefAtChar(&bytesPerRowString->sr, ' ', &firstPart, &secondPart))
{
if (PhStringToInteger64(&firstPart, 10, &bytesPerRow64))
{
PhSetIntegerSetting(L"MemEditBytesPerRow", (ULONG)bytesPerRow64);
HexEdit_SetBytesPerRow(context->HexEditHandle, (ULONG)bytesPerRow64);
SendMessage(hwndDlg, WM_NEXTDLGCTL, (WPARAM)context->HexEditHandle, TRUE);
}
}
}
break;
}
}
break;
case WM_SIZE:
{
PhLayoutManagerLayout(&context->LayoutManager);
}
break;
case WM_SIZING:
{
PhResizingMinimumSize((PRECT)lParam, wParam, MinimumSize.right, MinimumSize.bottom);
}
break;
case WM_PH_SELECT_OFFSET:
{
HexEdit_SetEditMode(context->HexEditHandle, EDIT_ASCII);
HexEdit_SetSel(context->HexEditHandle, (ULONG)wParam, (ULONG)wParam + (ULONG)lParam);
}
break;
}
return FALSE;
}
HRESULT PkFileOutStream::Write(const void *data, UInt32 size, UInt32 *processedSize)
{
NTSTATUS status;
if (Parent->Mode == PkPipeWriterFileStream)
{
PkFileStream *parentPipe;
PCHAR currentData;
SIZE_T remainingSize;
parentPipe = Parent->ParentPipe;
currentData = (PCHAR)data;
remainingSize = size;
PhAcquireQueuedLockExclusive(&parentPipe->PipeLock);
while (remainingSize != 0)
{
if (parentPipe->ReadPosition != parentPipe->ReadableSize)
{
if (parentPipe->ReadReferenceCount == 0)
break;
// Wait for the reader to read everything.
PhWaitForCondition(&parentPipe->PipeCondition, &parentPipe->PipeLock, NULL);
continue;
}
if (remainingSize >= parentPipe->BufferSize)
{
memcpy(parentPipe->Buffer, currentData, parentPipe->BufferSize);
currentData += parentPipe->BufferSize;
parentPipe->ReadableSize = parentPipe->BufferSize;
remainingSize -= parentPipe->BufferSize;
}
else
{
memcpy(parentPipe->Buffer, currentData, remainingSize);
currentData += remainingSize;
parentPipe->ReadableSize = remainingSize;
remainingSize = 0;
}
parentPipe->ReadPosition = 0;
PhPulseCondition(&parentPipe->PipeCondition);
}
PhReleaseQueuedLockExclusive(&parentPipe->PipeLock);
*processedSize = size;
return S_OK;
}
else if (Parent->Mode == PkPipeReaderFileStream)
{
return E_FAIL;
}
if (!Parent->FileStream)
{
*processedSize = size;
return S_OK;
}
status = PhWriteFileStream(Parent->FileStream, (PVOID)data, size);
*processedSize = size;
if (NT_SUCCESS(status))
return S_OK;
else
return E_FAIL;
}
