VOID DispatchCleanup(HANDLE Handle, PEVENT_CONTEXT EventContext,
PDOKAN_INSTANCE DokanInstance) {
PEVENT_INFORMATION eventInfo;
DOKAN_FILE_INFO fileInfo;
PDOKAN_OPEN_INFO openInfo;
ULONG sizeOfEventInfo = sizeof(EVENT_INFORMATION);
CheckFileName(EventContext->Operation.Cleanup.FileName);
eventInfo = DispatchCommon(EventContext, sizeOfEventInfo, DokanInstance,
&fileInfo, &openInfo);
eventInfo->Status = STATUS_SUCCESS; // return success at any case
DbgPrint("###Cleanup %04d\n", openInfo != NULL ? openInfo->EventId : -1);
if (DokanInstance->DokanOperations->Cleanup) {
// ignore return value
DokanInstance->DokanOperations->Cleanup(
EventContext->Operation.Cleanup.FileName, &fileInfo);
}
if (openInfo != NULL)
openInfo->UserContext = fileInfo.Context;
SendEventInformation(Handle, eventInfo, sizeOfEventInfo, DokanInstance);
free(eventInfo);
}
VOID DispatchWrite(HANDLE Handle, PEVENT_CONTEXT EventContext,
PDOKAN_INSTANCE DokanInstance) {
PEVENT_INFORMATION eventInfo;
PDOKAN_OPEN_INFO openInfo;
ULONG writtenLength = 0;
NTSTATUS status;
DOKAN_FILE_INFO fileInfo;
BOOL bufferAllocated = FALSE;
ULONG sizeOfEventInfo = sizeof(EVENT_INFORMATION);
eventInfo = DispatchCommon(EventContext, sizeOfEventInfo, DokanInstance,
&fileInfo, &openInfo);
// Since driver requested bigger memory,
// allocate enough memory and send it to driver
if (EventContext->Operation.Write.RequestLength > 0) {
ULONG contextLength = EventContext->Operation.Write.RequestLength;
PEVENT_CONTEXT contextBuf = (PEVENT_CONTEXT)malloc(contextLength);
if (contextBuf == NULL) {
free(eventInfo);
return;
}
SendWriteRequest(Handle, eventInfo, sizeOfEventInfo, contextBuf,
contextLength);
EventContext = contextBuf;
bufferAllocated = TRUE;
}
CheckFileName(EventContext->Operation.Write.FileName);
DbgPrint("###WriteFile %04d\n", openInfo != NULL ? openInfo->EventId : -1);
if (DokanInstance->DokanOperations->WriteFile) {
status = DokanInstance->DokanOperations->WriteFile(
EventContext->Operation.Write.FileName,
(PCHAR)EventContext + EventContext->Operation.Write.BufferOffset,
EventContext->Operation.Write.BufferLength, &writtenLength,
EventContext->Operation.Write.ByteOffset.QuadPart, &fileInfo);
} else {
status = STATUS_NOT_IMPLEMENTED;
}
if (openInfo != NULL)
openInfo->UserContext = fileInfo.Context;
eventInfo->Status = status;
eventInfo->BufferLength = 0;
if (status == STATUS_SUCCESS) {
eventInfo->BufferLength = writtenLength;
eventInfo->Operation.Write.CurrentByteOffset.QuadPart =
EventContext->Operation.Write.ByteOffset.QuadPart + writtenLength;
}
SendEventInformation(Handle, eventInfo, sizeOfEventInfo, DokanInstance);
free(eventInfo);
if (bufferAllocated)
free(EventContext);
}
VOID
DispatchRead(
HANDLE Handle,
PEVENT_CONTEXT EventContext,
PDOKAN_INSTANCE DokanInstance)
{
PEVENT_INFORMATION eventInfo;
PDOKAN_OPEN_INFO openInfo;
ULONG readLength = 0;
int status;
DOKAN_FILE_INFO fileInfo;
ULONG sizeOfEventInfo;
sizeOfEventInfo = sizeof(EVENT_INFORMATION) - 8 + EventContext->Operation.Read.BufferLength;
CheckFileName(EventContext->Operation.Read.FileName);
eventInfo = DispatchCommon(
EventContext, sizeOfEventInfo, DokanInstance, &fileInfo, &openInfo);
DbgPrint("###Read %04d\n", openInfo != NULL ? openInfo->EventId : -1);
if (DokanInstance->DokanOperations->ReadFile) {
status = DokanInstance->DokanOperations->ReadFile(
EventContext->Operation.Read.FileName,
eventInfo->Buffer,
EventContext->Operation.Read.BufferLength,
&readLength,
EventContext->Operation.Read.ByteOffset.QuadPart,
&fileInfo);
} else {
status = -1;
}
if (openInfo != NULL)
openInfo->UserContext = fileInfo.Context;
eventInfo->BufferLength = 0;
if (status < 0) {
eventInfo->Status = STATUS_INVALID_PARAMETER;
} else if(readLength == 0) {
eventInfo->Status = STATUS_END_OF_FILE;
} else {
eventInfo->Status = STATUS_SUCCESS;
eventInfo->BufferLength = readLength;
eventInfo->Operation.Read.CurrentByteOffset.QuadPart =
EventContext->Operation.Read.ByteOffset.QuadPart + readLength;
}
SendEventInformation(Handle, eventInfo, sizeOfEventInfo, DokanInstance);
free(eventInfo);
return;
}
VOID DispatchQuerySecurity(HANDLE Handle, PEVENT_CONTEXT EventContext,
PDOKAN_INSTANCE DokanInstance) {
PEVENT_INFORMATION eventInfo;
DOKAN_FILE_INFO fileInfo;
PDOKAN_OPEN_INFO openInfo;
ULONG eventInfoLength;
NTSTATUS status = STATUS_NOT_IMPLEMENTED;
ULONG lengthNeeded = 0;
eventInfoLength = sizeof(EVENT_INFORMATION) - 8 +
EventContext->Operation.Security.BufferLength;
CheckFileName(EventContext->Operation.Security.FileName);
eventInfo = DispatchCommon(EventContext, eventInfoLength, DokanInstance,
&fileInfo, &openInfo);
if (DokanInstance->DokanOperations->GetFileSecurity) {
status = DokanInstance->DokanOperations->GetFileSecurity(
EventContext->Operation.Security.FileName,
&EventContext->Operation.Security.SecurityInformation,
&eventInfo->Buffer, EventContext->Operation.Security.BufferLength,
&lengthNeeded, &fileInfo);
}
eventInfo->Status = status;
if (status != STATUS_SUCCESS && status != STATUS_BUFFER_OVERFLOW) {
eventInfo->BufferLength = 0;
} else {
eventInfo->BufferLength = lengthNeeded;
if (EventContext->Operation.Security.BufferLength < lengthNeeded) {
// Filesystem Application should return STATUS_BUFFER_OVERFLOW in this
// case.
eventInfo->Status = STATUS_BUFFER_OVERFLOW;
}
}
SendEventInformation(Handle, eventInfo, eventInfoLength, DokanInstance);
free(eventInfo);
}
VOID DispatchFlush(HANDLE Handle, PEVENT_CONTEXT EventContext,
PDOKAN_INSTANCE DokanInstance) {
DOKAN_FILE_INFO fileInfo;
PEVENT_INFORMATION eventInfo;
ULONG sizeOfEventInfo = sizeof(EVENT_INFORMATION);
PDOKAN_OPEN_INFO openInfo;
NTSTATUS status;
CheckFileName(EventContext->Operation.Flush.FileName);
eventInfo = DispatchCommon(EventContext, sizeOfEventInfo, DokanInstance,
&fileInfo, &openInfo);
DbgPrint("###Flush %04d\n", openInfo != NULL ? openInfo->EventId : -1);
if (DokanInstance->DokanOperations->FlushFileBuffers) {
status = DokanInstance->DokanOperations->FlushFileBuffers(
EventContext->Operation.Flush.FileName, &fileInfo);
} else {
status = STATUS_NOT_IMPLEMENTED;
}
if (status == STATUS_NOT_IMPLEMENTED) {
eventInfo->Status = STATUS_SUCCESS;
} else {
eventInfo->Status =
status != STATUS_SUCCESS ? STATUS_NOT_SUPPORTED : STATUS_SUCCESS;
}
if (openInfo != NULL)
openInfo->UserContext = fileInfo.Context;
SendEventInformation(Handle, eventInfo, sizeOfEventInfo, DokanInstance);
free(eventInfo);
return;
}
VOID
DispatchClose(
HANDLE Handle,
PEVENT_CONTEXT EventContext,
PDOKAN_INSTANCE DokanInstance)
{
PEVENT_INFORMATION eventInfo;
DOKAN_FILE_INFO fileInfo;
PDOKAN_OPEN_INFO openInfo;
ULONG sizeOfEventInfo = sizeof(EVENT_INFORMATION);
CheckFileName(EventContext->Close.FileName);
eventInfo = DispatchCommon(
EventContext, sizeOfEventInfo, DokanInstance, &fileInfo, &openInfo);
eventInfo->Status = STATUS_SUCCESS; // return success at any case
DbgPrint("###Close %04d\n", openInfo != NULL ? openInfo->EventId : -1);
if (DokanInstance->DokanOperations->CloseFile) {
// ignore return value
DokanInstance->DokanOperations->CloseFile(
EventContext->Close.FileName, &fileInfo);
}
// do not send it to the driver
//SendEventInformation(Handle, eventInfo, length);
if (openInfo != NULL) {
EnterCriticalSection(&DokanInstance->CriticalSection);
openInfo->OpenCount--;
LeaveCriticalSection(&DokanInstance->CriticalSection);
}
ReleaseDokanOpenInfo(eventInfo, DokanInstance);
free(eventInfo);
return;
}
VOID
DispatchFlush(
HANDLE Handle,
PEVENT_CONTEXT EventContext,
PDOKAN_INSTANCE DokanInstance)
{
DOKAN_FILE_INFO fileInfo;
PEVENT_INFORMATION eventInfo;
ULONG sizeOfEventInfo = sizeof(EVENT_INFORMATION);
PDOKAN_OPEN_INFO openInfo;
int status;
CheckFileName(EventContext->Flush.FileName);
eventInfo = DispatchCommon(EventContext, sizeOfEventInfo, DokanInstance, &fileInfo);
openInfo = (PDOKAN_OPEN_INFO)EventContext->Context;
DbgPrint("###Flush %04d\n", openInfo->EventId);
eventInfo->Status = STATUS_SUCCESS;
if (DokanInstance->DokanOperations->FlushFileBuffers) {
status = DokanInstance->DokanOperations->FlushFileBuffers(
EventContext->Flush.FileName,
&fileInfo);
eventInfo->Status = status < 0 ?
STATUS_NOT_SUPPORTED : STATUS_SUCCESS;
}
openInfo->UserContext = fileInfo.Context;
SendEventInformation(Handle, eventInfo, sizeOfEventInfo);
free(eventInfo);
return;
}
VOID DispatchSetSecurity(HANDLE Handle, PEVENT_CONTEXT EventContext,
PDOKAN_INSTANCE DokanInstance) {
PEVENT_INFORMATION eventInfo;
DOKAN_FILE_INFO fileInfo;
PDOKAN_OPEN_INFO openInfo;
ULONG eventInfoLength;
NTSTATUS status = STATUS_NOT_IMPLEMENTED;
PSECURITY_DESCRIPTOR securityDescriptor;
eventInfoLength = sizeof(EVENT_INFORMATION);
CheckFileName(EventContext->Operation.SetSecurity.FileName);
eventInfo = DispatchCommon(EventContext, eventInfoLength, DokanInstance,
&fileInfo, &openInfo);
securityDescriptor =
(PCHAR)EventContext + EventContext->Operation.SetSecurity.BufferOffset;
if (DokanInstance->DokanOperations->SetFileSecurity) {
status = DokanInstance->DokanOperations->SetFileSecurity(
EventContext->Operation.SetSecurity.FileName,
&EventContext->Operation.SetSecurity.SecurityInformation,
securityDescriptor, EventContext->Operation.SetSecurity.BufferLength,
&fileInfo);
}
if (status > 0) {
eventInfo->Status = STATUS_INVALID_PARAMETER;
eventInfo->BufferLength = 0;
} else {
eventInfo->Status = STATUS_SUCCESS;
eventInfo->BufferLength = 0;
}
SendEventInformation(Handle, eventInfo, eventInfoLength, DokanInstance);
free(eventInfo);
}
VOID
DispatchQueryInformation(
HANDLE Handle,
PEVENT_CONTEXT EventContext,
PDOKAN_INSTANCE DokanInstance)
{
PEVENT_INFORMATION eventInfo;
DOKAN_FILE_INFO fileInfo;
BY_HANDLE_FILE_INFORMATION byHandleFileInfo;
ULONG remainingLength;
ULONG status = STATUS_INVALID_PARAMETER;
int result;
PDOKAN_OPEN_INFO openInfo;
ULONG sizeOfEventInfo;
sizeOfEventInfo = sizeof(EVENT_INFORMATION) - 8 + EventContext->File.BufferLength;
CheckFileName(EventContext->File.FileName);
ZeroMemory(&byHandleFileInfo, sizeof(BY_HANDLE_FILE_INFORMATION));
eventInfo = DispatchCommon(
EventContext, sizeOfEventInfo, DokanInstance, &fileInfo, &openInfo);
eventInfo->BufferLength = EventContext->File.BufferLength;
DbgPrint("###GetFileInfo %04d\n", openInfo != NULL ? openInfo->EventId : -1);
if (DokanInstance->DokanOperations->GetFileInformation) {
result = DokanInstance->DokanOperations->GetFileInformation(
EventContext->File.FileName,
&byHandleFileInfo,
&fileInfo);
} else {
result = -1;
}
remainingLength = eventInfo->BufferLength;
if (result < 0) {
eventInfo->Status = STATUS_INVALID_PARAMETER;
eventInfo->BufferLength = 0;
} else {
switch(EventContext->File.FileInformationClass) {
case FileBasicInformation:
//DbgPrint("FileBasicInformation\n");
status = DokanFillFileBasicInfo((PFILE_BASIC_INFORMATION)eventInfo->Buffer,
&byHandleFileInfo, &remainingLength);
break;
case FileInternalInformation:
status = DokanFillInternalInfo((PFILE_INTERNAL_INFORMATION)eventInfo->Buffer,
&byHandleFileInfo, &remainingLength);
break;
case FileEaInformation:
//DbgPrint("FileEaInformation or FileInternalInformation\n");
//status = STATUS_NOT_IMPLEMENTED;
status = STATUS_SUCCESS;
remainingLength -= sizeof(FILE_EA_INFORMATION);
break;
case FileStandardInformation:
//DbgPrint("FileStandardInformation\n");
status = DokanFillFileStandardInfo((PFILE_STANDARD_INFORMATION)eventInfo->Buffer,
&byHandleFileInfo, &remainingLength);
break;
case FileAllInformation:
//DbgPrint("FileAllInformation\n");
status = DokanFillFileAllInfo((PFILE_ALL_INFORMATION)eventInfo->Buffer,
&byHandleFileInfo, &remainingLength, EventContext);
break;
case FileAlternateNameInformation:
status = STATUS_NOT_IMPLEMENTED;
break;
case FileAttributeTagInformation:
status = DokanFillFileAttributeTagInfo((PFILE_ATTRIBUTE_TAG_INFORMATION)eventInfo->Buffer,
&byHandleFileInfo, &remainingLength);
break;
case FileCompressionInformation:
//DbgPrint("FileAlternateNameInformation or...\n");
status = STATUS_NOT_IMPLEMENTED;
break;
case FileNameInformation:
// this case is not used because driver deal with
//DbgPrint("FileNameInformation\n");
status = DokanFillFileNameInfo((PFILE_NAME_INFORMATION)eventInfo->Buffer,
&byHandleFileInfo, &remainingLength, EventContext);
break;
case FileNetworkOpenInformation:
//DbgPrint("FileNetworkOpenInformation\n");
status = DokanFillNetworkOpenInfo((PFILE_NETWORK_OPEN_INFORMATION)eventInfo->Buffer,
&byHandleFileInfo, &remainingLength);
break;
case FilePositionInformation:
// this case is not used because driver deal with
//DbgPrint("FilePositionInformation\n");
status = DokanFillFilePositionInfo((PFILE_POSITION_INFORMATION)eventInfo->Buffer,
&byHandleFileInfo, &remainingLength);
break;
case FileStreamInformation:
//DbgPrint("FileStreamInformation\n");
status = STATUS_NOT_IMPLEMENTED;
break;
default:
{
DbgPrint(" unknown type:%d\n", EventContext->File.FileInformationClass);
}
break;
}
eventInfo->Status = status;
eventInfo->BufferLength = EventContext->File.BufferLength - remainingLength;
}
// information for FileSystem
openInfo->UserContext = fileInfo.Context;
SendEventInformation(Handle, eventInfo, sizeOfEventInfo, DokanInstance);
free(eventInfo);
return;
}
VOID
DispatchSetInformation(
HANDLE Handle,
PEVENT_CONTEXT EventContext,
PDOKAN_INSTANCE DokanInstance)
{
PEVENT_INFORMATION eventInfo;
PDOKAN_OPEN_INFO openInfo;
DOKAN_FILE_INFO fileInfo;
NTSTATUS status = STATUS_NOT_IMPLEMENTED;
ULONG sizeOfEventInfo = sizeof(EVENT_INFORMATION);
if (EventContext->Operation.SetFile.FileInformationClass == FileRenameInformation) {
PDOKAN_RENAME_INFORMATION renameInfo =
(PDOKAN_RENAME_INFORMATION)((PCHAR)EventContext + EventContext->Operation.SetFile.BufferOffset);
sizeOfEventInfo += renameInfo->FileNameLength;
}
CheckFileName(EventContext->Operation.SetFile.FileName);
eventInfo = DispatchCommon(
EventContext, sizeOfEventInfo, DokanInstance, &fileInfo, &openInfo);
DbgPrint("###SetFileInfo %04d %d\n", openInfo != NULL ? openInfo->EventId : -1, EventContext->Operation.SetFile.FileInformationClass);
switch (EventContext->Operation.SetFile.FileInformationClass) {
case FileAllocationInformation:
status = DokanSetAllocationInformation(
EventContext, &fileInfo, DokanInstance->DokanOperations);
break;
case FileBasicInformation:
status = DokanSetBasicInformation(
EventContext, &fileInfo, DokanInstance->DokanOperations);
break;
case FileDispositionInformation:
status = DokanSetDispositionInformation(
EventContext, &fileInfo, DokanInstance->DokanOperations);
break;
case FileEndOfFileInformation:
status = DokanSetEndOfFileInformation(
EventContext, &fileInfo, DokanInstance->DokanOperations);
break;
case FileLinkInformation:
status = DokanSetLinkInformation(
EventContext, &fileInfo, DokanInstance->DokanOperations);
break;
case FilePositionInformation:
// this case is dealed with by driver
status = STATUS_NOT_IMPLEMENTED;
break;
case FileRenameInformation:
status = DokanSetRenameInformation(
EventContext, &fileInfo, DokanInstance->DokanOperations);
break;
case FileValidDataLengthInformation:
status = DokanSetValidDataLengthInformation(
EventContext, &fileInfo, DokanInstance->DokanOperations);
break;
}
if (openInfo != NULL)
openInfo->UserContext = fileInfo.Context;
eventInfo->BufferLength = 0;
eventInfo->Status = status;
if (EventContext->Operation.SetFile.FileInformationClass == FileDispositionInformation) {
if (status == STATUS_SUCCESS) {
PFILE_DISPOSITION_INFORMATION dispositionInfo =
(PFILE_DISPOSITION_INFORMATION)((PCHAR)EventContext + EventContext->Operation.SetFile.BufferOffset);
eventInfo->Operation.Delete.DeleteOnClose = dispositionInfo->DeleteFile ? TRUE : FALSE;
DbgPrint(" dispositionInfo->DeleteFile = %d\n", dispositionInfo->DeleteFile);
}
} else {
// notice new file name to driver
if (status == STATUS_SUCCESS && EventContext->Operation.SetFile.FileInformationClass == FileRenameInformation) {
PDOKAN_RENAME_INFORMATION renameInfo =
(PDOKAN_RENAME_INFORMATION)((PCHAR)EventContext + EventContext->Operation.SetFile.BufferOffset);
eventInfo->BufferLength = renameInfo->FileNameLength;
CopyMemory(eventInfo->Buffer, renameInfo->FileName, renameInfo->FileNameLength);
}
}
//DbgPrint("SetInfomation status = %d\n\n", status);
SendEventInformation(Handle, eventInfo, sizeOfEventInfo, DokanInstance);
free(eventInfo);
return;
}
VOID DispatchDirectoryInformation(HANDLE Handle, PEVENT_CONTEXT EventContext,
PDOKAN_INSTANCE DokanInstance) {
PEVENT_INFORMATION eventInfo;
DOKAN_FILE_INFO fileInfo;
PDOKAN_OPEN_INFO openInfo;
NTSTATUS status = STATUS_SUCCESS;
ULONG fileInfoClass = EventContext->Operation.Directory.FileInformationClass;
ULONG sizeOfEventInfo = sizeof(EVENT_INFORMATION) - 8 +
EventContext->Operation.Directory.BufferLength;
BOOLEAN patternCheck = TRUE;
CheckFileName(EventContext->Operation.Directory.DirectoryName);
eventInfo = DispatchCommon(EventContext, sizeOfEventInfo, DokanInstance,
&fileInfo, &openInfo);
// check whether this is handled FileInfoClass
if (fileInfoClass != FileDirectoryInformation &&
fileInfoClass != FileFullDirectoryInformation &&
fileInfoClass != FileNamesInformation &&
fileInfoClass != FileIdBothDirectoryInformation &&
fileInfoClass != FileBothDirectoryInformation) {
DbgPrint("not suported type %d\n", fileInfoClass);
// send directory info to driver
eventInfo->BufferLength = 0;
eventInfo->Status = STATUS_NOT_IMPLEMENTED;
SendEventInformation(Handle, eventInfo, sizeOfEventInfo, DokanInstance);
free(eventInfo);
return;
}
// IMPORTANT!!
// this buffer length is fixed in MatchFiles funciton
eventInfo->BufferLength = EventContext->Operation.Directory.BufferLength;
if (openInfo->DirListHead == NULL) {
openInfo->DirListHead = malloc(sizeof(LIST_ENTRY));
if (openInfo->DirListHead != NULL) {
InitializeListHead(openInfo->DirListHead);
} else {
eventInfo->BufferLength = 0;
eventInfo->Status = STATUS_NO_MEMORY;
SendEventInformation(Handle, eventInfo, sizeOfEventInfo, DokanInstance);
free(eventInfo);
return;
}
}
if (EventContext->Operation.Directory.FileIndex == 0) {
ClearFindData(openInfo->DirListHead);
}
if (IsListEmpty(openInfo->DirListHead)) {
DbgPrint("###FindFiles %04d\n", openInfo->EventId);
// if user defined FindFilesWithPattern
if (DokanInstance->DokanOperations->FindFilesWithPattern) {
LPCWSTR pattern = L"*";
// if search pattern is specified
if (EventContext->Operation.Directory.SearchPatternLength != 0) {
pattern = (PWCHAR)(
(SIZE_T)&EventContext->Operation.Directory.SearchPatternBase[0] +
(SIZE_T)EventContext->Operation.Directory.SearchPatternOffset);
}
patternCheck = FALSE; // do not recheck pattern later in MatchFiles
status = DokanInstance->DokanOperations->FindFilesWithPattern(
EventContext->Operation.Directory.DirectoryName, pattern,
DokanFillFileData, &fileInfo);
} else {
status = STATUS_NOT_IMPLEMENTED;
}
if (status == STATUS_NOT_IMPLEMENTED &&
DokanInstance->DokanOperations->FindFiles) {
patternCheck = TRUE; // do pattern check later in MachFiles
// call FileSystem specifeid callback routine
status = DokanInstance->DokanOperations->FindFiles(
EventContext->Operation.Directory.DirectoryName, DokanFillFileData,
&fileInfo);
}
}
if (status != STATUS_SUCCESS) {
if (EventContext->Operation.Directory.FileIndex == 0) {
DbgPrint(" STATUS_NO_SUCH_FILE\n");
eventInfo->Status = STATUS_NO_SUCH_FILE;
} else {
DbgPrint(" STATUS_NO_MORE_FILES\n");
eventInfo->Status = STATUS_NO_MORE_FILES;
}
eventInfo->BufferLength = 0;
eventInfo->Operation.Directory.Index =
EventContext->Operation.Directory.FileIndex;
// free all of list entries
ClearFindData(openInfo->DirListHead);
} else {
LONG index;
eventInfo->Status = STATUS_SUCCESS;
AddMissingCurrentAndParentFolder(EventContext, openInfo->DirListHead,
&fileInfo);
DbgPrint("index from %d\n", EventContext->Operation.Directory.FileIndex);
// extract entries that match search pattern from FindFiles result
index = MatchFiles(EventContext, eventInfo, openInfo->DirListHead,
patternCheck, DokanInstance);
// there is no matched file
if (index < 0) {
eventInfo->BufferLength = 0;
eventInfo->Operation.Directory.Index =
EventContext->Operation.Directory.FileIndex;
if (index == -1) {
if (EventContext->Operation.Directory.FileIndex == 0) {
DbgPrint(" STATUS_NO_SUCH_FILE\n");
eventInfo->Status = STATUS_NO_SUCH_FILE;
} else {
DbgPrint(" STATUS_NO_MORE_FILES\n");
eventInfo->Status = STATUS_NO_MORE_FILES;
}
} else {
DbgPrint(" STATUS_BUFFER_OVERFLOW\n");
eventInfo->Status = STATUS_BUFFER_OVERFLOW;
}
ClearFindData(openInfo->DirListHead);
} else {
DbgPrint("index to %d\n", index);
eventInfo->Operation.Directory.Index = index;
}
}
// information for FileSystem
openInfo->UserContext = fileInfo.Context;
// send directory information to driver
SendEventInformation(Handle, eventInfo, sizeOfEventInfo, DokanInstance);
free(eventInfo);
}
VOID
DispatchLock(
HANDLE Handle,
PEVENT_CONTEXT EventContext,
PDOKAN_INSTANCE DokanInstance)
{
DOKAN_FILE_INFO fileInfo;
PEVENT_INFORMATION eventInfo;
ULONG sizeOfEventInfo = sizeof(EVENT_INFORMATION);
PDOKAN_OPEN_INFO openInfo;
int status;
CheckFileName(EventContext->Lock.FileName);
eventInfo = DispatchCommon(
EventContext, sizeOfEventInfo, DokanInstance, &fileInfo, &openInfo);
logw(L"###Lock %04d\n", openInfo != NULL ? openInfo->EventId : -1);
eventInfo->Status = STATUS_NOT_IMPLEMENTED;
switch (EventContext->MinorFunction) {
case IRP_MN_LOCK:
if (DokanInstance->DokanOperations->LockFile) {
status = DokanInstance->DokanOperations->LockFile(
EventContext->Lock.FileName,
EventContext->Lock.ByteOffset.QuadPart,
EventContext->Lock.Length.QuadPart,
//EventContext->Lock.Key,
&fileInfo);
eventInfo->Status = status < 0 ?
STATUS_LOCK_NOT_GRANTED : STATUS_SUCCESS;
}
break;
case IRP_MN_UNLOCK_ALL:
break;
case IRP_MN_UNLOCK_ALL_BY_KEY:
break;
case IRP_MN_UNLOCK_SINGLE:
if (DokanInstance->DokanOperations->UnlockFile) {
status = DokanInstance->DokanOperations->UnlockFile(
EventContext->Lock.FileName,
EventContext->Lock.ByteOffset.QuadPart,
EventContext->Lock.Length.QuadPart,
//EventContext->Lock.Key,
&fileInfo);
eventInfo->Status = STATUS_SUCCESS; // at any time return success ?
}
break;
default:
logw(L"unkown lock function %d\n", EventContext->MinorFunction);
}
openInfo->UserContext = fileInfo.Context;
SendEventInformation(Handle, eventInfo, sizeOfEventInfo, DokanInstance);
free(eventInfo);
return;
}
