(These changes were correct per se, but another problem surfaced: see http://www.reactos.org/archives/public/ros-dev/2005-November/005958.html)
svn path=/trunk/; revision=19002
PNPFS_FCB ClientFcb;
PNPFS_FCB ServerFcb = NULL;
PNPFS_DEVICE_EXTENSION DeviceExt;
+ BOOLEAN SpecialAccess;
DPRINT("NpfsCreate(DeviceObject %p Irp %p)\n", DeviceObject, Irp);
Irp->IoStatus.Information = 0;
+ SpecialAccess = ((IoStack->Parameters.CreatePipe.ShareAccess & 3) == 3);
+ if (SpecialAccess)
+ {
+ DPRINT("NpfsCreate() open client end for special use!\n");
+ }
+
/*
* Step 1. Find the pipe we're trying to open.
*/
ClientFcb->Pipe = Pipe;
ClientFcb->PipeEnd = FILE_PIPE_CLIENT_END;
ClientFcb->OtherSide = NULL;
- ClientFcb->PipeState = FILE_PIPE_DISCONNECTED_STATE;
+ ClientFcb->PipeState = SpecialAccess ? 0 : FILE_PIPE_DISCONNECTED_STATE;
InitializeListHead(&ClientFcb->ReadRequestListHead);
DPRINT("Fcb: %x\n", ClientFcb);
* Step 3. Search for listening server FCB.
*/
- /*
- * WARNING: Point of no return! Once we get the server FCB it's
- * possible that we completed a wait request and so we have to
- * complete even this request.
- */
-
- ServerFcb = NpfsFindListeningServerInstance(Pipe);
- if (ServerFcb == NULL)
+ if (!SpecialAccess)
{
- PLIST_ENTRY CurrentEntry;
- PNPFS_FCB Fcb;
-
/*
- * If no waiting server FCB was found then try to pick
- * one of the listing server FCB on the pipe.
+ * WARNING: Point of no return! Once we get the server FCB it's
+ * possible that we completed a wait request and so we have to
+ * complete even this request.
*/
- CurrentEntry = Pipe->ServerFcbListHead.Flink;
- while (CurrentEntry != &Pipe->ServerFcbListHead)
+ ServerFcb = NpfsFindListeningServerInstance(Pipe);
+ if (ServerFcb == NULL)
{
- Fcb = CONTAINING_RECORD(CurrentEntry, NPFS_FCB, FcbListEntry);
- if (Fcb->PipeState == FILE_PIPE_LISTENING_STATE)
+ PLIST_ENTRY CurrentEntry;
+ PNPFS_FCB Fcb;
+
+ /*
+ * If no waiting server FCB was found then try to pick
+ * one of the listing server FCB on the pipe.
+ */
+
+ CurrentEntry = Pipe->ServerFcbListHead.Flink;
+ while (CurrentEntry != &Pipe->ServerFcbListHead)
{
- ServerFcb = Fcb;
- break;
+ Fcb = CONTAINING_RECORD(CurrentEntry, NPFS_FCB, FcbListEntry);
+ if (Fcb->PipeState == FILE_PIPE_LISTENING_STATE)
+ {
+ ServerFcb = Fcb;
+ break;
+ }
+ CurrentEntry = CurrentEntry->Flink;
}
- CurrentEntry = CurrentEntry->Flink;
- }
- /*
- * No one is listening to me?! I'm so lonely... :(
- */
+ /*
+ * No one is listening to me?! I'm so lonely... :(
+ */
- if (ServerFcb == NULL)
+ if (ServerFcb == NULL)
+ {
+ /* Not found, bail out with error for FILE_OPEN requests. */
+ DPRINT("No listening server fcb found!\n");
+ if (ClientFcb->Data)
+ ExFreePool(ClientFcb->Data);
+ KeUnlockMutex(&Pipe->FcbListLock);
+ Irp->IoStatus.Status = STATUS_PIPE_BUSY;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return STATUS_PIPE_BUSY;
+ }
+ }
+ else
{
- /* Not found, bail out with error for FILE_OPEN requests. */
- DPRINT("No listening server fcb found!\n");
- if (ClientFcb->Data)
- ExFreePool(ClientFcb->Data);
- KeUnlockMutex(&Pipe->FcbListLock);
- Irp->IoStatus.Status = STATUS_PIPE_NOT_AVAILABLE;
- IoCompleteRequest(Irp, IO_NO_INCREMENT);
- return STATUS_PIPE_NOT_AVAILABLE;
+ /* Signal the server thread and remove it from the waiter list */
+ /* FIXME: Merge this with the NpfsFindListeningServerInstance routine. */
+ NpfsSignalAndRemoveListeningServerInstance(Pipe, ServerFcb);
}
}
- else
+ else if (IsListEmpty(&Pipe->ServerFcbListHead))
{
- /* Signal the server thread and remove it from the waiter list */
- /* FIXME: Merge this with the NpfsFindListeningServerInstance routine. */
- NpfsSignalAndRemoveListeningServerInstance(Pipe, ServerFcb);
+ DPRINT("No server fcb found!\n");
+ KeUnlockMutex(&Pipe->FcbListLock);
+ Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return STATUS_UNSUCCESSFUL;
}
/*
#define NDEBUG
#include "../include/debug.h"
-/* FIXME - defined in ntifs.h */
-#if !defined(FILE_PIPE_BYTE_STREAM_TYPE) && !defined(FILE_PIPE_MESSAGE_TYPE)
-#define FILE_PIPE_BYTE_STREAM_TYPE 0x00000000
-#define FILE_PIPE_MESSAGE_TYPE 0x00000001
-#endif
-
/* FUNCTIONS ****************************************************************/
/*
HANDLE PipeHandle;
ACCESS_MASK DesiredAccess;
ULONG CreateOptions;
+ ULONG CreateDisposition;
ULONG WriteModeMessage;
ULONG ReadModeMessage;
ULONG NonBlocking;
ULONG ShareAccess, Attributes;
LARGE_INTEGER DefaultTimeOut;
PSECURITY_DESCRIPTOR SecurityDescriptor = NULL;
-
- if (nMaxInstances == 0 || nMaxInstances > PIPE_UNLIMITED_INSTANCES)
- {
- SetLastError(ERROR_INVALID_PARAMETER);
- return INVALID_HANDLE_VALUE;
- }
Result = RtlDosPathNameToNtPathName_U((LPWSTR)lpName,
&NamedPipeName,
NULL,
SecurityDescriptor);
- DesiredAccess = SYNCHRONIZE | (dwOpenMode & (WRITE_DAC | WRITE_OWNER | ACCESS_SYSTEM_SECURITY));
+ DesiredAccess = 0;
ShareAccess = 0;
+ CreateDisposition = FILE_OPEN_IF;
CreateOptions = 0;
-
if (dwOpenMode & FILE_FLAG_WRITE_THROUGH)
- CreateOptions |= FILE_WRITE_THROUGH;
+ {
+ CreateOptions = CreateOptions | FILE_WRITE_THROUGH;
+ }
if (!(dwOpenMode & FILE_FLAG_OVERLAPPED))
- CreateOptions |= FILE_SYNCHRONOUS_IO_NONALERT;
-
- if (dwOpenMode & PIPE_ACCESS_INBOUND)
{
- ShareAccess |= FILE_SHARE_WRITE;
- DesiredAccess |= GENERIC_READ;
+ CreateOptions = CreateOptions | FILE_SYNCHRONOUS_IO_NONALERT;
+ }
+ if (dwOpenMode & PIPE_ACCESS_DUPLEX)
+ {
+ CreateOptions = CreateOptions | FILE_PIPE_FULL_DUPLEX;
+ DesiredAccess |= (FILE_GENERIC_READ | FILE_GENERIC_WRITE);
}
- if (dwOpenMode & PIPE_ACCESS_OUTBOUND)
+ else if (dwOpenMode & PIPE_ACCESS_INBOUND)
{
- ShareAccess |= FILE_SHARE_READ;
- DesiredAccess |= GENERIC_WRITE;
+ CreateOptions = CreateOptions | FILE_PIPE_INBOUND;
+ DesiredAccess |= FILE_GENERIC_READ;
+ }
+ else if (dwOpenMode & PIPE_ACCESS_OUTBOUND)
+ {
+ CreateOptions = CreateOptions | FILE_PIPE_OUTBOUND;
+ DesiredAccess |= FILE_GENERIC_WRITE;
}
- if (dwPipeMode & PIPE_TYPE_MESSAGE)
- WriteModeMessage = FILE_PIPE_MESSAGE_TYPE;
+ if (dwPipeMode & PIPE_TYPE_BYTE)
+ {
+ WriteModeMessage = FILE_PIPE_BYTE_STREAM_MODE;
+ }
+ else if (dwPipeMode & PIPE_TYPE_MESSAGE)
+ {
+ WriteModeMessage = FILE_PIPE_MESSAGE_MODE;
+ }
else
- WriteModeMessage = FILE_PIPE_BYTE_STREAM_TYPE;
+ {
+ WriteModeMessage = FILE_PIPE_BYTE_STREAM_MODE;
+ }
- if (dwPipeMode & PIPE_READMODE_MESSAGE)
- ReadModeMessage = FILE_PIPE_MESSAGE_MODE;
+ if (dwPipeMode & PIPE_READMODE_BYTE)
+ {
+ ReadModeMessage = FILE_PIPE_BYTE_STREAM_MODE;
+ }
+ else if (dwPipeMode & PIPE_READMODE_MESSAGE)
+ {
+ ReadModeMessage = FILE_PIPE_MESSAGE_MODE;
+ }
else
- ReadModeMessage = FILE_PIPE_BYTE_STREAM_MODE;
+ {
+ ReadModeMessage = FILE_PIPE_BYTE_STREAM_MODE;
+ }
- if (dwPipeMode & PIPE_NOWAIT)
- NonBlocking = FILE_PIPE_COMPLETE_OPERATION;
+ if (dwPipeMode & PIPE_WAIT)
+ {
+ NonBlocking = FILE_PIPE_QUEUE_OPERATION;
+ }
+ else if (dwPipeMode & PIPE_NOWAIT)
+ {
+ NonBlocking = FILE_PIPE_COMPLETE_OPERATION;
+ }
else
- NonBlocking = FILE_PIPE_QUEUE_OPERATION;
+ {
+ NonBlocking = FILE_PIPE_QUEUE_OPERATION;
+ }
+
+ if (nMaxInstances >= PIPE_UNLIMITED_INSTANCES)
+ {
+ nMaxInstances = 0xFFFFFFFF;
+ }
DefaultTimeOut.QuadPart = nDefaultTimeOut * -10000LL;
&ObjectAttributes,
&Iosb,
ShareAccess,
- FILE_OPEN_IF,
+ CreateDisposition,
CreateOptions,
WriteModeMessage,
ReadModeMessage,
Attributes |= OBJ_INHERIT;
}
- /* use default buffer size if desired */
- if (nSize == 0) nSize = 0x1000;
-
InitializeObjectAttributes(&ObjectAttributes,
&PipeName,
Attributes,
SecurityDescriptor);
Status = NtCreateNamedPipeFile(&ReadPipeHandle,
- FILE_GENERIC_READ | FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
+ FILE_GENERIC_READ,
&ObjectAttributes,
&StatusBlock,
FILE_SHARE_READ | FILE_SHARE_WRITE,
}
Status = NtOpenFile(&WritePipeHandle,
- FILE_GENERIC_WRITE | SYNCHRONIZE,
+ FILE_GENERIC_WRITE,
&ObjectAttributes,
&StatusBlock,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
+ 0,
FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE);
if (!NT_SUCCESS(Status))
{
projects / reactos.git / commitdiff