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Page11Streams.cpp
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/*****************************************************************************/
/* Page11Streams.cpp Copyright (c) Ladislav Zezula 2005 */
/*---------------------------------------------------------------------------*/
/* Description : */
/*---------------------------------------------------------------------------*/
/* Date Ver Who Comment */
/* -------- ---- --- ------- */
/* 15.08.05 1.00 Lad The first version of Page11Streams.cpp */
/*****************************************************************************/
#include "FileTest.h"
#include "resource.h"
//-----------------------------------------------------------------------------
// Local structures
#define MAX_STREAM_LENGTH 0x10000000
#define STREAM_TYPE_NONE 0
#define STREAM_TYPE_ADS 1
#define STREAM_TYPE_EA 2
struct TFileStream
{
LIST_ENTRY Entry;
LPTSTR szStreamName; // Pointer to stream name (variable length)
LPBYTE pbStreamData; // Pointer to stream data (variable length)
DWORD cbStreamData; // Length of the stream data
DWORD dwStreamType; // Stream type
BYTE Buffer[1];
};
//-----------------------------------------------------------------------------
// Local variables
static TListViewColumns Columns[] =
{
{IDS_STREAM_TYPE, 60},
{IDS_STREAM_NAME, 100},
{IDS_STREAM_DATA, -1},
{0, 0}
};
static LPCTSTR StreamTypes[] =
{
_T("NONE"),
_T("ADS"),
_T("EA")
};
static TAnchors * pAnchors = NULL;
//-----------------------------------------------------------------------------
// Local functions
static LPTSTR StringFromAnsi(LPCSTR szStringA, ULONG cchLength)
{
LPTSTR szStringT;
szStringT = new TCHAR[cchLength+1];
if(szStringT != NULL)
{
#ifdef _UNICODE
MultiByteToWideChar(CP_ACP, 0, szStringA, cchLength, szStringT, cchLength);
szStringT[cchLength] = 0;
#else
StringCchCopyA(szStringT, szStringA, cchLength);
szStringT[cchLength] = 0;
#endif
}
return szStringT;
}
static LPTSTR StringFromWide(LPCWSTR szStringW, ULONG cchLength)
{
LPTSTR szStringT;
szStringT = new TCHAR[cchLength+1];
if(szStringT != NULL)
{
#ifdef _UNICODE
StringCchCopyW(szStringT, cchLength+1, szStringW);
szStringT[cchLength] = 0;
#else
WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, szStringW, cchLength, szStringT, cchLength, 0, 0);
szStringT[cchLength] = 0;
#endif
}
return szStringT;
}
/*
static void NormalizeStreamName(LPTSTR szStreamName)
{
LPTSTR szSrc = szStreamName;
LPTSTR szTrg = szStreamName;
// Skip the initial ':'
if(szSrc[0] == _T(':'))
szSrc++;
// Copy everything until a colon or end of string
while(szSrc[0] != 0 && szSrc[0] != _T(':'))
*szTrg++ = *szSrc++;
*szTrg = 0;
}
*/
static void ItemDataToString(
LPTSTR szStreamData,
size_t nMaxChars,
LPBYTE pbStreamData,
ULONG cbStreamData,
NTSTATUS Status)
{
LPBYTE pbStreamDataEnd = pbStreamData + cbStreamData;
LPTSTR szStreamDataEnd = szStreamData + nMaxChars;
// Iterate over all data
if(NT_SUCCESS(Status))
{
// Preset with default string
LoadString(g_hInst, IDS_EMPTY_STREAM, szStreamData, (int)nMaxChars);
// Fill the stream data
while(pbStreamData < pbStreamDataEnd)
{
// Is there enough space for the text data?
if(szStreamData + 3 > szStreamDataEnd)
break;
// Print the data bytes
StringCchPrintf(szStreamData, (szStreamDataEnd - szStreamData), _T("%02X "), (DWORD)pbStreamData[0]);
szStreamData += 3;
pbStreamData++;
}
}
else
{
StringCchPrintf(szStreamData, nMaxChars, _T("Error %08X when reading data"), Status);
}
}
static int InsertStreamToListView(
HWND hListView,
LPCTSTR szStreamName,
LPBYTE pbStreamData,
DWORD dwStreamType,
ULONG cbStreamData,
NTSTATUS Status = STATUS_SUCCESS)
{
LVITEM lvi;
TCHAR szStreamData[0x100];
// Insert the item type
ZeroMemory(&lvi, sizeof(LVITEM));
lvi.mask = LVIF_TEXT;
lvi.iItem = 0x7FFFFFFF;
lvi.iSubItem = 0;
lvi.pszText = (LPTSTR)StreamTypes[dwStreamType];
lvi.iItem = ListView_InsertItem(hListView, &lvi);
lvi.iSubItem++;
// Insert the stream name
lvi.pszText = (LPTSTR)((szStreamName[0] != 0) ? szStreamName : _T("<default>"));
ListView_SetItem(hListView, &lvi);
lvi.iSubItem++;
// Insert the item data
ItemDataToString(szStreamData, _countof(szStreamData), pbStreamData, cbStreamData, Status);
lvi.pszText = (LPTSTR)szStreamData;
ListView_SetItem(hListView, &lvi);
return lvi.iItem;
}
/*
static TFileStream * CreateStream(PFILE_FULL_EA_INFORMATION pFileEa)
{
TFileStream * pStream;
size_t nSize;
ULONG i;
// Allocate stream
nSize = sizeof(TFileStream) + (pFileEa->EaNameLength + 1) * sizeof(TCHAR) + pFileEa->EaValueLength;
pStream = (TFileStream *)RtlAllocateHeap(RtlProcessHeap(), HEAP_ZERO_MEMORY, nSize);
if(pStream != NULL)
{
// Copy the stream name
pStream->szStreamName = (LPTSTR)&pStream->Buffer;
for(i = 0; i < pFileEa->EaNameLength; i++)
pStream->szStreamName[i] = pFileEa->EaName[i];
pStream->szStreamName[i] = 0;
// Copy the EA data
memcpy(&pStream->szStreamName[i+1], pFileEa->
}
}
*/
NTSTATUS NtCreateFileStream(PUNICODE_STRING SourceName, TFileStream * pStream)
{
OBJECT_ATTRIBUTES ObjAttr;
IO_STATUS_BLOCK IoStatus;
UNICODE_STRING FileName;
NTSTATUS Status;
LPWSTR szStreamName;
HANDLE FileHandle = NULL;
// Create the full name of the stream
FileName.MaximumLength = SourceName->MaximumLength;
FileName.Length = SourceName->Length;
FileName.Buffer = SourceName->Buffer;
if(pStream->szStreamName[0] != 0)
{
szStreamName = (LPWSTR)((LPBYTE)FileName.Buffer + FileName.Length);
StringCchPrintfW(szStreamName, (FileName.MaximumLength - FileName.Length) / sizeof(WCHAR), L":%s", pStream->szStreamName);
FileName.Length = (USHORT)(wcslen(FileName.Buffer) * sizeof(WCHAR));
}
// Open the stream
InitializeObjectAttributes(&ObjAttr, &FileName, OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = NtCreateFile(&FileHandle,
FILE_WRITE_DATA | SYNCHRONIZE,
&ObjAttr,
&IoStatus,
NULL,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_OPEN_IF,
FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_ALERT,
NULL,
0);
// Write the stream data
if(NT_SUCCESS(Status))
{
Status = NtWriteFile(FileHandle,
NULL,
NULL,
NULL,
&IoStatus,
pStream->pbStreamData,
pStream->cbStreamData,
NULL,
NULL);
}
// Close the handle
if(FileHandle != NULL)
NtClose(FileHandle);
return Status;
}
static NTSTATUS ConvertStreamsToEaList(
PLIST_ENTRY pHeadEntry,
PFILE_FULL_EA_INFORMATION * PtrFileEa,
LPDWORD pcbFileEa)
{
PFILE_FULL_EA_INFORMATION pFileEa = NULL;
PFILE_FULL_EA_INFORMATION pLastEa = NULL;
PFILE_FULL_EA_INFORMATION pEa = NULL;
TFileStream * pStream;
PLIST_ENTRY pListEntry;
DWORD cbEntryLength = 0;
DWORD cbEaLength = 0;
size_t i;
// Calculate total size needed for holding all EAs
for(pListEntry = pHeadEntry->Flink; pListEntry != pHeadEntry; pListEntry = pListEntry->Flink)
{
pStream = CONTAINING_RECORD(pListEntry, TFileStream, Entry);
if(pStream->dwStreamType == STREAM_TYPE_EA)
{
cbEntryLength = (DWORD)(FIELD_OFFSET(FILE_FULL_EA_INFORMATION, EaName) + _tcslen(pStream->szStreamName) + 1 + pStream->cbStreamData);
cbEaLength = cbEaLength + ((cbEntryLength + 7) & ~7);
}
}
// If there are no EAs, do nothing
if(cbEaLength != 0)
{
// Allocate space for complete EAs
pFileEa = pEa = (PFILE_FULL_EA_INFORMATION)RtlAllocateHeap(RtlProcessHeap(), HEAP_ZERO_MEMORY, cbEaLength);
if(pFileEa == NULL)
return STATUS_INSUFFICIENT_RESOURCES;
cbEaLength = 0;
// Parse the list again and store all EAs
for(pListEntry = pHeadEntry->Flink; pListEntry != pHeadEntry; pListEntry = pListEntry->Flink)
{
// Get the entry and the next entry
pStream = CONTAINING_RECORD(pListEntry, TFileStream, Entry);
if(pStream->dwStreamType == STREAM_TYPE_EA)
{
// Convert to the EA
pEa->NextEntryOffset = 0;
pEa->Flags = 0;
pEa->EaNameLength = (UCHAR)_tcslen(pStream->szStreamName);
pEa->EaValueLength = (USHORT)pStream->cbStreamData;
// Copy the file name
for(i = 0; pStream->szStreamName[i] != 0; i++)
pEa->EaName[i] = (CHAR)pStream->szStreamName[i];
pEa->EaName[i] = 0;
// Copy the EA data
memcpy(&pEa->EaName[i + 1], pStream->pbStreamData, pStream->cbStreamData);
// Calculate the length of the entry
cbEntryLength = GetEaEntrySize(pEa);
cbEaLength += cbEntryLength;
// If this is not the last entry, put the next entry offset
pLastEa = pEa;
pEa->NextEntryOffset = cbEntryLength;
pEa = (PFILE_FULL_EA_INFORMATION)((LPBYTE)pEa + cbEntryLength);
}
}
// Clear next entry offset for the last EA
if(pLastEa != NULL)
pLastEa->NextEntryOffset = 0;
}
// Give EA list and its size to the caller
if(PtrFileEa != NULL)
PtrFileEa[0] = pFileEa;
if(pcbFileEa != NULL)
pcbFileEa[0] = cbEaLength;
return STATUS_SUCCESS;
}
static NTSTATUS LoadStreamFromFile(
PUNICODE_STRING FileName,
LPCWSTR szPlainName,
TFileStream ** ppStream)
{
FILE_STANDARD_INFORMATION StdInfo = {0};
OBJECT_ATTRIBUTES ObjAttr;
IO_STATUS_BLOCK IoStatus;
TFileStream * pStream = NULL;
NTSTATUS Status;
LPCTSTR szStreamType = NULL;
LPCTSTR szStreamName = NULL;
HANDLE FileHandle;
DWORD dwStreamType = STREAM_TYPE_NONE;
size_t cchStreamName = 0;
size_t nSize;
// Extract the stream type from the file name
szStreamType = _tcschr(szPlainName, _T('#'));
if(szStreamType == NULL)
return STATUS_OBJECT_NAME_INVALID;
szStreamType++;
// Extract the stream name from the file name
szStreamName = _tcschr(szStreamType, _T('#'));
if(szStreamName == NULL)
return STATUS_OBJECT_NAME_INVALID;
szStreamName++;
// Verify the stream types
if(!_wcsnicmp(szStreamType, L"ADS", 3))
{
dwStreamType = STREAM_TYPE_ADS;
}
else if(!_wcsnicmp(szStreamType, L"EA", 2))
{
dwStreamType = STREAM_TYPE_EA;
}
else
return STATUS_UNSUCCESSFUL;
// Open the file and get its size
InitializeObjectAttributes(&ObjAttr, FileName, OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = NtOpenFile(&FileHandle,
FILE_READ_DATA | FILE_READ_ATTRIBUTES | SYNCHRONIZE,
&ObjAttr,
&IoStatus,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_SYNCHRONOUS_IO_ALERT);
// Query the file size
if(NT_SUCCESS(Status))
{
Status = NtQueryInformationFile(FileHandle,
&IoStatus,
&StdInfo,
sizeof(FILE_STANDARD_INFORMATION),
FileStandardInformation);
}
// Check against the maximum stream size
if(NT_SUCCESS(Status))
{
if(StdInfo.EndOfFile.HighPart != 0 || StdInfo.EndOfFile.LowPart > MAX_STREAM_LENGTH)
Status = STATUS_BAD_FILE_TYPE;
}
// Create new stream
if(NT_SUCCESS(Status))
{
cchStreamName = _tcslen(szStreamName) + 1;
nSize = sizeof(TFileStream) + cchStreamName * sizeof(TCHAR) + StdInfo.EndOfFile.LowPart;
pStream = (TFileStream *)RtlAllocateHeap(RtlProcessHeap(), HEAP_ZERO_MEMORY, nSize);
if(pStream == NULL)
Status = STATUS_INSUFFICIENT_RESOURCES;
}
// Fill the stream structure
if(NT_SUCCESS(Status))
{
pStream->szStreamName = (LPTSTR)(pStream + 1);
StringCchCopy(pStream->szStreamName, cchStreamName, szStreamName);
pStream->pbStreamData = (LPBYTE)(pStream->szStreamName + _tcslen(pStream->szStreamName) + 1);
pStream->cbStreamData = StdInfo.EndOfFile.LowPart;
pStream->dwStreamType = dwStreamType;
Status = NtReadFile(FileHandle,
NULL,
NULL,
NULL,
&IoStatus,
pStream->pbStreamData,
pStream->cbStreamData,
NULL,
NULL);
}
if(!NT_SUCCESS(Status))
{
RtlFreeHeap(RtlProcessHeap(), 0, pStream);
pStream = NULL;
}
if(FileHandle != NULL)
NtClose(FileHandle);
if(ppStream != NULL)
*ppStream = pStream;
return Status;
}
static NTSTATUS SaveStreamToFile(
LPTSTR szMainFileName,
LPCTSTR szStreamName,
LPBYTE pbStreamData,
DWORD dwStreamType,
DWORD dwStreamIndex,
DWORD cbStreamData)
{
OBJECT_ATTRIBUTES ObjAttr;
IO_STATUS_BLOCK IoStatus;
UNICODE_STRING FileName;
NTSTATUS Status;
HANDLE FileHandle = NULL;
TCHAR szFileName[MAX_PATH];
// Construct the new file name
StringCchPrintf(szFileName, _countof(szFileName), _T("%s#%s%02u#%s"), szMainFileName, StreamTypes[dwStreamType], dwStreamIndex, szStreamName);
Status = FileNameToUnicodeString(&FileName, szFileName);
// Create the stream file
if(NT_SUCCESS(Status))
{
InitializeObjectAttributes(&ObjAttr, &FileName, OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = NtCreateFile(&FileHandle,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE,
&ObjAttr,
&IoStatus,
NULL,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_OVERWRITE_IF,
FILE_SYNCHRONOUS_IO_ALERT,
NULL,
0);
}
// Write the data
if(NT_SUCCESS(Status))
{
Status = NtWriteFile(FileHandle,
NULL,
NULL,
NULL,
&IoStatus,
pbStreamData,
cbStreamData,
NULL,
NULL);
}
if(FileHandle != NULL)
NtClose(FileHandle);
return Status;
}
NTSTATUS LoadStreamsFromDirectory(
PLIST_ENTRY pStreamLinks,
PUNICODE_STRING SourceName)
{
PFILE_DIRECTORY_INFORMATION DirBuffer = NULL;
PFILE_DIRECTORY_INFORMATION DirEntry = NULL;
OBJECT_ATTRIBUTES ObjAttr;
IO_STATUS_BLOCK IoStatus;
UNICODE_STRING FolderName = {0, 0, NULL};
UNICODE_STRING FileName;
UNICODE_STRING FileMask;
TFileStream * pStream;
NTSTATUS Status = STATUS_SUCCESS;
HANDLE DirHandle = NULL;
LPWSTR szPlainName = NULL;
ULONG Length = 0x8000;
// Now get pointer to plain file name
szPlainName = wcsrchr(SourceName->Buffer, L'\\');
if(szPlainName == NULL)
Status = STATUS_OBJECT_PATH_SYNTAX_BAD;
else
szPlainName++;
// Now get pointer to directory name and to file name
if(NT_SUCCESS(Status))
{
// Get the folder name
FolderName.MaximumLength = SourceName->MaximumLength;
FolderName.Length = (USHORT)((szPlainName - SourceName->Buffer) * sizeof(WCHAR));
FolderName.Buffer = SourceName->Buffer;
// Get the file mask
FileMask.MaximumLength = SourceName->MaximumLength - FolderName.Length;
FileMask.Length = SourceName->Length - FolderName.Length + 4;
FileMask.Buffer = SourceName->Buffer + (FolderName.Length / sizeof(WCHAR));
StringCchCat(szPlainName, SourceName->MaximumLength / sizeof(WCHAR), L"#*");
// Open the directory
InitializeObjectAttributes(&ObjAttr, &FolderName, OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = NtOpenFile(&DirHandle,
FILE_LIST_DIRECTORY | SYNCHRONIZE,
&ObjAttr,
&IoStatus,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
FILE_SYNCHRONOUS_IO_ALERT);
}
// Query the directory
while(NT_SUCCESS(Status))
{
// Allocate space for directory info
DirBuffer = DirEntry = (PFILE_DIRECTORY_INFORMATION)RtlAllocateHeap(RtlProcessHeap(), HEAP_ZERO_MEMORY, Length);
if(DirBuffer == NULL)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
break;
}
// Query the directory
Status = NtQueryDirectoryFile(DirHandle,
NULL,
NULL,
NULL,
&IoStatus,
DirBuffer,
Length,
FileDirectoryInformation,
FALSE,
&FileMask,
FALSE);
if(NT_SUCCESS(Status))
break;
// If the buffer is not enough, reallocate the buffer and do again
if(Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
Length = Length << 1;
RtlFreeHeap(RtlProcessHeap(), 0, DirBuffer);
DirBuffer = NULL;
Status = STATUS_SUCCESS;
}
}
// Now read each file
if(NT_SUCCESS(Status))
{
for(;;)
{
// Skip directories
if((DirEntry->FileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
{
// Construct the full file name for that directory entry
FileName.MaximumLength = FolderName.MaximumLength;
FileName.Length = (USHORT)(FolderName.Length + DirEntry->FileNameLength);
FileName.Buffer = FolderName.Buffer;
memcpy(szPlainName, DirEntry->FileName, DirEntry->FileNameLength);
FileName.Buffer[FileName.Length / sizeof(WCHAR)] = 0;
// Load that stream from the file
Status = LoadStreamFromFile(&FileName, szPlainName, &pStream);
if(!NT_SUCCESS(Status))
break;
// Insert the stream from the list
InsertTailList(pStreamLinks, &pStream->Entry);
}
// Move to the next directory entry
if(DirEntry->NextEntryOffset == 0)
break;
DirEntry = (PFILE_DIRECTORY_INFORMATION)((LPBYTE)DirEntry + DirEntry->NextEntryOffset);
}
}
if(NT_SUCCESS(Status))
{
if(IsListEmpty(pStreamLinks))
Status = STATUS_NO_SUCH_FILE;
}
return Status;
}
static NTSTATUS EaListToListView(
TFileTestData * pData,
HWND hDlg,
HWND hListView,
PFILE_FULL_EA_INFORMATION EaBuffer,
bool bExportAsWell)
{
NTSTATUS Status = STATUS_SUCCESS;
LPTSTR szEaName;
LPBYTE pbEaValue;
DWORD dwStreamIndex = 1;
// Iterate over all file EAs and show them/save them
for(;;)
{
// Get the name and value from the EA
szEaName = StringFromAnsi(EaBuffer->EaName, EaBuffer->EaNameLength);
pbEaValue = (LPBYTE)(&EaBuffer->EaName[EaBuffer->EaNameLength + 1]);
// Fill them into the list view
InsertStreamToListView(hListView, szEaName, pbEaValue, STREAM_TYPE_EA, EaBuffer->EaValueLength);
// If we shall also save to the file, do it
if(bExportAsWell)
{
Status = SaveStreamToFile(pData->szFileName1,
szEaName,
pbEaValue,
STREAM_TYPE_EA,
dwStreamIndex++,
EaBuffer->EaValueLength);
if(!NT_SUCCESS(Status))
{
MessageBoxError(hDlg, IDS_FAILED_TO_SAVE_FILE, RtlNtStatusToDosError(Status), _T("EA"));
break;
}
}
// Free the converted name
delete [] szEaName;
// Move to tne next entry
if(EaBuffer->NextEntryOffset == 0)
break;
EaBuffer = (PFILE_FULL_EA_INFORMATION)((LPBYTE)EaBuffer + EaBuffer->NextEntryOffset);
}
return Status;
}
static NTSTATUS StreamsToListView(
TFileTestData * pData,
HWND hDlg,
HWND hListView,
PFILE_STREAM_INFORMATION StrmBuffer,
bool bExportAsWell)
{
OBJECT_ATTRIBUTES ObjAttr;
IO_STATUS_BLOCK IoStatus;
UNICODE_STRING FileName;
NTSTATUS Status = STATUS_SUCCESS;
LPCTSTR szFormat;
TCHAR szFileName[MAX_PATH * 2];
HANDLE hFile;
LPTSTR szStreamName;
LPBYTE pbStreamData;
DWORD dwFlagsAndAttributes = FILE_SYNCHRONOUS_IO_ALERT;
DWORD cbStreamData;
DWORD dwStreamIndex = 1;
//
// If the parent file was open with FILE_OPEN_REPARSE_POINT,
// we need to propagate this flag to the streams too.
// This allows us to open file created with alternate streams that are links to non existing file
//
// Example: mklink.exe C:\sample_file.exe:byebye \??\nul
//
dwFlagsAndAttributes |= (pData->OpenFile.dwFlagsAndAttributes & FILE_FLAG_OPEN_REPARSE_POINT);
dwFlagsAndAttributes |= (pData->OpenFile.dwCreateOptions & FILE_OPEN_REPARSE_POINT);
// Iterate over all file streams and show them/save them
for(;;)
{
// Get the name and value from the EA
szStreamName = StringFromWide(StrmBuffer->StreamName, StrmBuffer->StreamNameLength / sizeof(WCHAR));
// NormalizeStreamName(szStreamName);
// Get the stream size
cbStreamData = StrmBuffer->StreamSize.LowPart;
if(StrmBuffer->StreamSize.QuadPart > MAX_STREAM_LENGTH)
cbStreamData = StrmBuffer->StreamSize.LowPart;
// Allocate buffer for stream data
pbStreamData = (LPBYTE)RtlAllocateHeap(RtlProcessHeap(), 0, cbStreamData);
if(pbStreamData != NULL)
{
// Prepare the ADS name
szFormat = (szStreamName[0] != 0) ? _T("%s%s") : _T("%s");
StringCchPrintf(szFileName, _countof(szFileName), szFormat, pData->szFileName1, szStreamName);
Status = FileNameToUnicodeString(&FileName, szFileName);
if(!NT_SUCCESS(Status))
break;
// Open the ADS
InitializeObjectAttributes(&ObjAttr, &FileName, OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = NtOpenFile(&hFile,
FILE_READ_DATA | SYNCHRONIZE,
&ObjAttr,
&IoStatus,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
dwFlagsAndAttributes);
if(NT_SUCCESS(Status))
{
// Read the data from the stream
Status = NtReadFile(hFile, NULL, NULL, NULL, &IoStatus, pbStreamData, cbStreamData, NULL, NULL);
NtClose(hFile);
}
// Fill them into the list view
InsertStreamToListView(hListView, szStreamName, pbStreamData, STREAM_TYPE_ADS, cbStreamData, Status);
FreeFileNameString(&FileName);
// If we shall also save to the file, do it
if(NT_SUCCESS(Status) && bExportAsWell)
{
Status = SaveStreamToFile(pData->szFileName1,
szStreamName,
pbStreamData,
STREAM_TYPE_ADS,
dwStreamIndex++,
cbStreamData);
if(!NT_SUCCESS(Status))
{
MessageBoxError(hDlg, IDS_FAILED_TO_SAVE_FILE, RtlNtStatusToDosError(Status), _T("ADS"));
break;
}
}
}
// Free the converted name
delete [] szStreamName;
// Move to tne next entry
if(StrmBuffer->NextEntryOffset == 0)
break;
StrmBuffer = (PFILE_STREAM_INFORMATION)((LPBYTE)StrmBuffer + StrmBuffer->NextEntryOffset);
}
return Status;
}
//-----------------------------------------------------------------------------
// Message handlers
static int OnInitDialog(HWND hDlg, LPARAM lParam)
{
PROPSHEETPAGE * pPage = (PROPSHEETPAGE *)lParam;
TFileTestData * pData = (TFileTestData *)pPage->lParam;
HWND hListView = GetDlgItem(hDlg, IDC_STREAMS_LIST);
UNREFERENCED_PARAMETER(lParam);
UNREFERENCED_PARAMETER(hDlg);
SetDialogData(hDlg, pPage->lParam);
// Initialize the listview
ListView_CreateColumns(hListView, Columns);
ListView_SetExtendedListViewStyle(hListView, LVS_EX_GRIDLINES | LVS_EX_FULLROWSELECT);
// Configure dialog resizing
if(pData->bEnableResizing)
{
pAnchors = new TAnchors(hDlg);
pAnchors->AddAnchor(hDlg, IDC_STREAMS_TITLE, akLeft | akTop | akRight);
pAnchors->AddAnchor(hDlg, IDC_STREAMS_LIST, akAll);
pAnchors->AddAnchor(hDlg, IDC_QUERY_STREAMS, akLeft | akBottom);
pAnchors->AddAnchor(hDlg, IDC_EXPORT_STREAMS, akLeftCenter | akBottom);
pAnchors->AddAnchor(hDlg, IDC_IMPORT_STREAMS, akRight | akBottom);
pAnchors->AddAnchor(hDlg, IDC_RESULT_FRAME, akLeft | akRight | akBottom);
pAnchors->AddAnchor(hDlg, IDC_ERROR_CODE_TITLE, akLeft | akBottom);
pAnchors->AddAnchor(hDlg, IDC_ERROR_CODE, akLeft | akRight | akBottom);
pAnchors->AddAnchor(hDlg, IDC_INFORMATION_TITLE, akLeft | akBottom);
pAnchors->AddAnchor(hDlg, IDC_INFORMATION, akLeft | akRight | akBottom);
}
return TRUE;
}
static int OnSetActive(HWND hDlg)
{
TFileTestData * pData = GetDialogData(hDlg);
BOOL bEnabled;
if((pData->OpenFile.dwCreateOptions & FILE_OPEN_BY_FILE_ID) == 0)
{
SetDlgItemText(hDlg, IDC_FILE_NAME, pData->szFileName1);
ConvertToWin32Name(hDlg, IDC_FILE_NAME);
}
// Enable/disable the buttons
bEnabled = (IsHandleValid(pData->hFile)) ? TRUE : FALSE;
EnableDlgItems(hDlg, bEnabled, IDC_QUERY_STREAMS, IDC_EXPORT_STREAMS, IDC_IMPORT_STREAMS, 0);
bEnabled = (IsHandleInvalid(pData->hFile) && pData->szFileName1[0] != 0) ? TRUE : FALSE;
EnableDlgItems(hDlg, bEnabled, IDC_IMPORT_STREAMS, 0);
return TRUE;
}
static int OnExportStreams(HWND hDlg, bool bExportAsWell)
{
PFILE_FULL_EA_INFORMATION EaBuffer = NULL;
PFILE_STREAM_INFORMATION StrmBuffer = NULL;
FILE_EA_INFORMATION FileEaInfo;
TFileTestData * pData = GetDialogData(hDlg);
IO_STATUS_BLOCK IoStatus = {0};
NTSTATUS Status;
ULONG StrmBufferSize = sizeof(FILE_STREAM_INFORMATION);
ULONG EaBufferSize;
HWND hListView = GetDlgItem(hDlg, IDC_STREAMS_LIST);
// Delete all items from the list view
ListView_DeleteAllItems(hListView);
// Retrieve the initial guess of the EAs on the file
Status = NtQueryInformationFile(pData->hFile, &IoStatus, &FileEaInfo, sizeof(FILE_EA_INFORMATION), FileEaInformation);
EaBufferSize = FileEaInfo.EaSize;
// Query the extended attributes file
while(Status == STATUS_SUCCESS)
{
// Allocate buffer for extended attributes
EaBuffer = (PFILE_FULL_EA_INFORMATION)RtlAllocateHeap(RtlProcessHeap(), HEAP_ZERO_MEMORY, EaBufferSize);
if(EaBuffer == NULL)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
break;
}
// Try to query the extended attributes
Status = NtQueryEaFile(pData->hFile,
&IoStatus,
EaBuffer,
EaBufferSize,
FALSE,
NULL,
0,
NULL,
TRUE);
if(NT_SUCCESS(Status) || Status == STATUS_NO_EAS_ON_FILE)
break;
// If the buffer is not enough, reallocate the buffer and do again
if(Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
EaBufferSize = EaBufferSize << 1;
RtlFreeHeap(RtlProcessHeap(), 0, EaBuffer);
EaBuffer = NULL;
Status = STATUS_SUCCESS;
}
}
// Put the EAs in the list view
if(NT_SUCCESS(Status) && EaBuffer != NULL)
EaListToListView(pData, hDlg, hListView, EaBuffer, bExportAsWell);
Status = STATUS_SUCCESS;
// Now query the stream list
while(Status == STATUS_SUCCESS)
{
// Allocate buffer for extended attributes
StrmBuffer = (PFILE_STREAM_INFORMATION)RtlAllocateHeap(RtlProcessHeap(), HEAP_ZERO_MEMORY, StrmBufferSize);
if(StrmBuffer == NULL)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
break;
}
// Try to query the extended attributes
Status = NtQueryInformationFile(pData->hFile,
&IoStatus,
StrmBuffer,
StrmBufferSize,
FileStreamInformation);
if(NT_SUCCESS(Status))
break;
// If the buffer is not enough, reallocate the buffer and do again
if(Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
StrmBufferSize = StrmBufferSize << 1;
RtlFreeHeap(RtlProcessHeap(), 0, StrmBuffer);
StrmBuffer = NULL;
Status = STATUS_SUCCESS;
}
}
// If succeeded, we insert the stream list to the list view
if(NT_SUCCESS(Status) && StrmBuffer != NULL)
StreamsToListView(pData, hDlg, hListView, StrmBuffer, bExportAsWell);
// Set the status info
SetResultInfo(hDlg, RSI_NTSTATUS | RSI_NOINFO, Status);
// Free buffers
if(StrmBuffer != NULL)
RtlFreeHeap(RtlProcessHeap(), 0, StrmBuffer);
if(EaBuffer != NULL)
RtlFreeHeap(RtlProcessHeap(), 0, EaBuffer);
return TRUE;
}
static int OnImportStreams(HWND hDlg)
{
PFILE_FULL_EA_INFORMATION pFileEa = NULL;
OBJECT_ATTRIBUTES ObjAttr = {0};
IO_STATUS_BLOCK IoStatus;
TFileTestData * pData = GetDialogData(hDlg);
UNICODE_STRING FileName;
TFileStream * pStream;
PLIST_ENTRY pHeadEntry;
PLIST_ENTRY pListEntry;
LIST_ENTRY StreamLinks;
NTSTATUS Status = STATUS_SUCCESS;
HANDLE FileHandle = NULL;
DWORD cbFileEa = 0;
HWND hListView = GetDlgItem(hDlg, IDC_STREAMS_LIST);
DWORD dwErrCode = ERROR_SUCCESS;
// Delete all items from the list view
ListView_DeleteAllItems(hListView);
InitializeListHead(&StreamLinks);
pHeadEntry = &StreamLinks;
// Prepare the file name
InitializeObjectAttributes(&ObjAttr, &FileName, OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = FileNameToUnicodeString(&FileName, pData->szFileName1);
// Now reallocate the buffer so we have enough space
if(NT_SUCCESS(Status))
{
PWSTR NewBuffer;
ULONG NewMaxLengh = (ULONG)FileName.MaximumLength + 255;
// Don't exceet the maximum file name length
if(NewMaxLengh > 0xFFFE)
NewMaxLengh = 0xFFFE;
NewBuffer = (PWSTR)RtlReAllocateHeap(RtlProcessHeap(), 0, FileName.Buffer, NewMaxLengh);
// If the allocation failed, we need to free the old buffer
if(NewBuffer != NULL)
{
FileName.MaximumLength = (USHORT)NewMaxLengh;
FileName.Buffer = NewBuffer;
}
else
{
RtlFreeHeap(RtlProcessHeap(), 0, FileName.Buffer);
Status = STATUS_INSUFFICIENT_RESOURCES;
FileName.Buffer = NULL;
}
}
// Query the directory and load all streams from all files
if(NT_SUCCESS(Status))
Status = LoadStreamsFromDirectory(&StreamLinks, &FileName);
// Delete the file
if(NT_SUCCESS(Status))
{