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Use the share disposition to detect the direction of a pipe.

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svn path=/trunk/; revision=19021
This commit is contained in:
Hartmut Birr 2005-11-05 22:03:47 +00:00
parent 4af01faa3c
commit e087024bb5
3 changed files with 38 additions and 30 deletions
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27
reactos/drivers/fs/np/create.c
View file

@ -329,6 +329,14 @@ NpfsCreateNamedPipe(PDEVICE_OBJECT DeviceObject,
Irp->IoStatus.Information = 0;
if (!(IoStack->Parameters.CreatePipe.ShareAccess & (FILE_SHARE_READ|FILE_SHARE_WRITE)) ||
(IoStack->Parameters.CreatePipe.ShareAccess & ~(FILE_SHARE_READ|FILE_SHARE_WRITE)))
{
Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_INVALID_PARAMETER;
}
Fcb = ExAllocatePool(NonPagedPool, sizeof(NPFS_FCB));
if (Fcb == NULL)
{
@ -411,12 +419,23 @@ NpfsCreateNamedPipe(PDEVICE_OBJECT DeviceObject,
Pipe->WriteMode = Buffer->ReadMode;
Pipe->ReadMode = Buffer->ReadMode;
Pipe->CompletionMode = Buffer->CompletionMode;
Pipe->PipeConfiguration = IoStack->Parameters.CreatePipe.Options & 0x3;
switch (IoStack->Parameters.CreatePipe.ShareAccess & (FILE_SHARE_READ|FILE_SHARE_WRITE))
{
case FILE_SHARE_READ:
Pipe->PipeConfiguration = FILE_PIPE_OUTBOUND;
break;
case FILE_SHARE_WRITE:
Pipe->PipeConfiguration = FILE_PIPE_INBOUND;
break;
case FILE_SHARE_READ|FILE_SHARE_WRITE:
Pipe->PipeConfiguration = FILE_PIPE_FULL_DUPLEX;
break;
}
Pipe->MaximumInstances = Buffer->MaximumInstances;
Pipe->CurrentInstances = 0;
Pipe->TimeOut = Buffer->DefaultTimeout;
if (!(IoStack->Parameters.CreatePipe.Options & FILE_PIPE_OUTBOUND) ||
IoStack->Parameters.CreatePipe.Options & FILE_PIPE_FULL_DUPLEX)
if (!(Pipe->PipeConfiguration & FILE_PIPE_OUTBOUND) ||
Pipe->PipeConfiguration & FILE_PIPE_FULL_DUPLEX)
{
if (Buffer->InboundQuota == 0)
{
@ -440,7 +459,7 @@ NpfsCreateNamedPipe(PDEVICE_OBJECT DeviceObject,
Pipe->InboundQuota = 0;
}
if (IoStack->Parameters.CreatePipe.Options & (FILE_PIPE_FULL_DUPLEX|FILE_PIPE_OUTBOUND))
if (Pipe->PipeConfiguration & (FILE_PIPE_FULL_DUPLEX|FILE_PIPE_OUTBOUND))
{
if (Buffer->OutboundQuota == 0)
{

31
reactos/lib/kernel32/file/npipe.c
View file

@ -123,27 +123,16 @@ CreateNamedPipeW(LPCWSTR lpName,
if (!(dwOpenMode & FILE_FLAG_OVERLAPPED))
CreateOptions = CreateOptions | FILE_SYNCHRONOUS_IO_NONALERT;
switch (dwOpenMode & PIPE_ACCESS_DUPLEX)
{
case PIPE_ACCESS_INBOUND:
CreateOptions |= FILE_PIPE_INBOUND;
ShareAccess |= FILE_SHARE_WRITE;
DesiredAccess |= GENERIC_READ;
break;
case PIPE_ACCESS_OUTBOUND:
CreateOptions |= FILE_PIPE_OUTBOUND;
ShareAccess |= FILE_SHARE_READ;
DesiredAccess |= GENERIC_WRITE;
break;
case PIPE_ACCESS_DUPLEX:
CreateOptions |= FILE_PIPE_FULL_DUPLEX;
ShareAccess |= (FILE_SHARE_READ | FILE_SHARE_WRITE);
DesiredAccess |= (GENERIC_READ | GENERIC_WRITE);
break;
}
if (dwOpenMode & PIPE_ACCESS_OUTBOUND)
{
ShareAccess |= FILE_SHARE_READ;
DesiredAccess |= GENERIC_WRITE;
}
if (dwOpenMode & PIPE_ACCESS_INBOUND)
{
ShareAccess |= FILE_SHARE_WRITE;
DesiredAccess |= GENERIC_READ;
}
if (dwPipeMode & PIPE_TYPE_MESSAGE)
WriteModeMessage = FILE_PIPE_MESSAGE_MODE;
else

10
reactos/lib/kernel32/file/pipe.c
View file

@ -41,11 +41,11 @@ BOOL STDCALL CreatePipe(PHANDLE hReadPipe,
ULONG Attributes;
PSECURITY_DESCRIPTOR SecurityDescriptor = NULL;
DefaultTimeout.QuadPart = 300000000; /* 30 seconds */
DefaultTimeout.QuadPart = -300000000; /* 30 seconds */
PipeId = (ULONG)InterlockedIncrement((LONG*)&ProcessPipeId);
swprintf(Buffer,
L"\\Device\\NamedPipe\\Win32Pipes.%08x.%08x",
L"\\\\.\\PIPE\\Win32Pipes.%08x.%08x",
NtCurrentTeb()->Cid.UniqueProcess,
PipeId);
RtlInitUnicodeString (&PipeName,
@ -73,7 +73,7 @@ BOOL STDCALL CreatePipe(PHANDLE hReadPipe,
FILE_GENERIC_READ |FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
&ObjectAttributes,
&StatusBlock,
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_SHARE_WRITE,
FILE_CREATE,
FILE_SYNCHRONOUS_IO_NONALERT,
FALSE,
@ -93,8 +93,8 @@ BOOL STDCALL CreatePipe(PHANDLE hReadPipe,
FILE_GENERIC_WRITE | SYNCHRONIZE,
&ObjectAttributes,
&StatusBlock,
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE);
FILE_SHARE_READ,
FILE_SYNCHRONOUS_IO_NONALERT);
if (!NT_SUCCESS(Status))
{
NtClose(ReadPipeHandle);