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https://github.com/reactos/reactos.git
synced 2025-02-24 09:25:10 +00:00
- Implement KSPROPERTY_PIN_NAME properly
- KsPinPropertyHandler does *NOT* set Status in the IRP svn path=/trunk/; revision=43204
This commit is contained in:
Johannes Anderwald
parent
6c1fab522b
commit
1130b7dee4
1 changed files with 146 additions and 42 deletions
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@ -174,6 +174,97 @@ KsValidateConnectRequest(
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return STATUS_SUCCESS;
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}
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NTSTATUS
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KspReadMediaCategory(
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IN LPGUID Category,
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PKEY_VALUE_PARTIAL_INFORMATION *OutInformation)
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{
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UNICODE_STRING MediaPath = RTL_CONSTANT_STRING(L"\\REGISTRY\\MACHINE\\SYSTEM\\CurrentControlSet\\Control\\MediaCategories\\");
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UNICODE_STRING Name = RTL_CONSTANT_STRING(L"Name");
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UNICODE_STRING GuidString, Path;
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NTSTATUS Status;
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OBJECT_ATTRIBUTES ObjectAttributes;
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HANDLE hKey;
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ULONG Size;
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PKEY_VALUE_PARTIAL_INFORMATION KeyInfo;
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/* convert the guid to string */
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Status = RtlStringFromGUID(Category, &GuidString);
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if (!NT_SUCCESS(Status))
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return Status;
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/* allocate buffer for the registry key */
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Path.Length = 0;
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Path.MaximumLength = MediaPath.MaximumLength + GuidString.MaximumLength;
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Path.Buffer = ExAllocatePool(NonPagedPool, Path.MaximumLength);
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if (!Path.Buffer)
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{
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/* not enough memory */
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RtlFreeUnicodeString(&GuidString);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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RtlAppendUnicodeStringToString(&Path, &MediaPath);
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RtlAppendUnicodeStringToString(&Path, &GuidString);
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/* free guid string */
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RtlFreeUnicodeString(&GuidString);
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/* initialize object attributes */
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InitializeObjectAttributes(&ObjectAttributes, &Path, OBJ_CASE_INSENSITIVE, NULL, NULL);
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/* open the key */
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Status = ZwOpenKey(&hKey, GENERIC_READ, &ObjectAttributes);
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DPRINT1("ZwOpenKey() status 0x%08lx %S\n", Status, Path.Buffer);
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/* free path buffer */
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ExFreePool(Path.Buffer);
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/* check for success */
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("ZwOpenKey() failed with status 0x%08lx\n", Status);
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return Status;
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}
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/* query the name size */
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Status = ZwQueryValueKey(hKey, &Name, KeyValuePartialInformation, NULL, 0, &Size);
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if (!NT_SUCCESS(Status) && Status != STATUS_BUFFER_TOO_SMALL)
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{
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/* failed to query for name key */
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ZwClose(hKey);
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return Status;
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}
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/* allocate buffer to read key info */
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KeyInfo = (PKEY_VALUE_PARTIAL_INFORMATION) ExAllocatePool(NonPagedPool, Size);
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if (!KeyInfo)
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{
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/* not enough memory */
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ZwClose(hKey);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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/* now read the info */
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Status = ZwQueryValueKey(hKey, &Name, KeyValuePartialInformation, (PVOID)KeyInfo, Size, &Size);
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/* close the key */
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ZwClose(hKey);
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if (!NT_SUCCESS(Status))
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{
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/* failed to read key */
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ExFreePool(KeyInfo);
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return Status;
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}
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/* store key information */
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*OutInformation = KeyInfo;
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return Status;
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}
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/*
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@implemented
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*/
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@ -194,8 +285,8 @@ KsPinPropertyHandler(
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PVOID Buffer;
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PKSDATARANGE_AUDIO *WaveFormatOut;
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PKSDATAFORMAT_WAVEFORMATEX WaveFormatIn;
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PULONG GuidBuffer;
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static WCHAR Speaker[] = {L"PC-Speaker"};
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PKEY_VALUE_PARTIAL_INFORMATION KeyInfo;
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NTSTATUS Status = STATUS_NOT_SUPPORTED;
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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Buffer = Irp->UserBuffer;
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@ -207,13 +298,13 @@ KsPinPropertyHandler(
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case KSPROPERTY_PIN_CTYPES:
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(*(PULONG)Buffer) = DescriptorsCount;
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Irp->IoStatus.Information = sizeof(ULONG);
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Status = STATUS_SUCCESS;
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break;
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case KSPROPERTY_PIN_DATAFLOW:
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Pin = (KSP_PIN*)Property;
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if (Pin->PinId >= DescriptorsCount)
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{
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Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
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Status = STATUS_INVALID_PARAMETER;
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Irp->IoStatus.Information = 0;
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break;
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}
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@ -221,20 +312,20 @@ KsPinPropertyHandler(
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if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
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{
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Irp->IoStatus.Information = Size;
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Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
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Status = STATUS_BUFFER_TOO_SMALL;
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break;
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}
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*((KSPIN_DATAFLOW*)Buffer) = Descriptor[Pin->PinId].DataFlow;
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Irp->IoStatus.Information = sizeof(KSPIN_DATAFLOW);
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Status = STATUS_SUCCESS;
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break;
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case KSPROPERTY_PIN_DATARANGES:
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Pin = (KSP_PIN*)Property;
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if (Pin->PinId >= DescriptorsCount)
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{
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Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
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Status = STATUS_INVALID_PARAMETER;
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Irp->IoStatus.Information = 0;
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break;
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}
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@ -247,7 +338,7 @@ KsPinPropertyHandler(
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if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
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{
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Irp->IoStatus.Information = Size;
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Irp->IoStatus.Status = STATUS_MORE_ENTRIES;
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Status = STATUS_MORE_ENTRIES;
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break;
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}
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@ -262,14 +353,14 @@ KsPinPropertyHandler(
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Data = ((PUCHAR)Data + Descriptor[Pin->PinId].DataRanges[Index]->FormatSize);
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}
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = Size;
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break;
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case KSPROPERTY_PIN_INTERFACES:
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Pin = (KSP_PIN*)Property;
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if (Pin->PinId >= DescriptorsCount)
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{
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Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
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Status = STATUS_INVALID_PARAMETER;
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Irp->IoStatus.Information = 0;
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break;
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}
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@ -281,7 +372,7 @@ KsPinPropertyHandler(
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if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
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{
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Irp->IoStatus.Information = Size;
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Irp->IoStatus.Status = STATUS_MORE_ENTRIES;
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Status = STATUS_MORE_ENTRIES;
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break;
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}
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@ -299,14 +390,14 @@ KsPinPropertyHandler(
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RtlMoveMemory((PVOID)(Item + 1), &StandardPinInterface, sizeof(KSPIN_INTERFACE));
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}
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = Size;
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break;
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case KSPROPERTY_PIN_MEDIUMS:
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Pin = (KSP_PIN*)Property;
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if (Pin->PinId >= DescriptorsCount)
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{
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Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
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Status = STATUS_INVALID_PARAMETER;
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Irp->IoStatus.Information = 0;
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break;
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}
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@ -318,7 +409,7 @@ KsPinPropertyHandler(
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if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
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{
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Irp->IoStatus.Information = Size;
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Irp->IoStatus.Status = STATUS_MORE_ENTRIES;
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Status = STATUS_MORE_ENTRIES;
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break;
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}
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@ -336,7 +427,7 @@ KsPinPropertyHandler(
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RtlMoveMemory((PVOID)(Item + 1), &StandardPinMedium, sizeof(KSPIN_MEDIUM));
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}
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = Size;
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break;
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@ -344,7 +435,7 @@ KsPinPropertyHandler(
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Pin = (KSP_PIN*)Property;
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if (Pin->PinId >= DescriptorsCount)
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{
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Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
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Status = STATUS_INVALID_PARAMETER;
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Irp->IoStatus.Information = 0;
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break;
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}
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@ -353,12 +444,12 @@ KsPinPropertyHandler(
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if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
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{
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Irp->IoStatus.Information = Size;
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Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
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Status = STATUS_BUFFER_TOO_SMALL;
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break;
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}
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*((KSPIN_COMMUNICATION*)Buffer) = Descriptor[Pin->PinId].Communication;
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = Size;
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break;
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@ -366,7 +457,7 @@ KsPinPropertyHandler(
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Pin = (KSP_PIN*)Property;
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if (Pin->PinId >= DescriptorsCount)
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{
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Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
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Status = STATUS_INVALID_PARAMETER;
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Irp->IoStatus.Information = 0;
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break;
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}
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@ -375,7 +466,7 @@ KsPinPropertyHandler(
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if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
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{
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Irp->IoStatus.Information = Size;
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Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
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Status = STATUS_BUFFER_TOO_SMALL;
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break;
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}
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if (Descriptor[Pin->PinId].Category)
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@ -383,7 +474,7 @@ KsPinPropertyHandler(
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RtlMoveMemory(Buffer, Descriptor[Pin->PinId].Category, sizeof(GUID));
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}
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = Size;
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break;
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@ -391,32 +482,45 @@ KsPinPropertyHandler(
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Pin = (KSP_PIN*)Property;
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if (Pin->PinId >= DescriptorsCount)
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{
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Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
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Status = STATUS_INVALID_PARAMETER;
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Irp->IoStatus.Information = 0;
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break;
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}
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GuidBuffer = Buffer;
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Size = sizeof(Speaker);
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if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
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if (!Descriptor[Pin->PinId].Category)
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{
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Irp->IoStatus.Information = Size;
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Irp->IoStatus.Status = STATUS_MORE_ENTRIES;
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Irp->IoStatus.Information = 0;
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Status = STATUS_SUCCESS;
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break;
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}
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RtlMoveMemory(GuidBuffer, Speaker, sizeof(Speaker));
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Status = KspReadMediaCategory((LPGUID)Descriptor[Pin->PinId].Category, &KeyInfo);
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if (!NT_SUCCESS(Status))
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{
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Irp->IoStatus.Information = 0;
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break;
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}
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//RtlMoveMemory(Buffer, &Descriptor[Pin->PinId].Name, sizeof(GUID));
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = Size;
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Irp->IoStatus.Information = KeyInfo->DataLength + sizeof(WCHAR);
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if (KeyInfo->DataLength + sizeof(WCHAR) > IoStack->Parameters.DeviceIoControl.OutputBufferLength)
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{
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Status = STATUS_MORE_ENTRIES;
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ExFreePool(KeyInfo);
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break;
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}
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RtlMoveMemory(Irp->UserBuffer, &KeyInfo->Data, KeyInfo->DataLength);
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((LPWSTR)Irp->UserBuffer)[KeyInfo->DataLength / sizeof(WCHAR)] = L'\0';
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Irp->IoStatus.Information = KeyInfo->DataLength + sizeof(WCHAR);
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ExFreePool(KeyInfo);
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break;
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case KSPROPERTY_PIN_PROPOSEDATAFORMAT:
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Pin = (KSP_PIN*)Property;
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if (Pin->PinId >= DescriptorsCount)
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{
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Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
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Status = STATUS_INVALID_PARAMETER;
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Irp->IoStatus.Information = 0;
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break;
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}
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@ -424,23 +528,23 @@ KsPinPropertyHandler(
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if (IoStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
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{
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Irp->IoStatus.Information = Size;
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Irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
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Status = STATUS_BUFFER_TOO_SMALL;
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break;
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}
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if (IoStack->Parameters.DeviceIoControl.OutputBufferLength != sizeof(KSDATAFORMAT_WAVEFORMATEX))
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{
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UNIMPLEMENTED
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Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
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Status = STATUS_NOT_IMPLEMENTED;
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Irp->IoStatus.Information = 0;
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return STATUS_NOT_IMPLEMENTED;
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break;
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}
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WaveFormatIn = (PKSDATAFORMAT_WAVEFORMATEX)Buffer;
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if (!Descriptor[Pin->PinId].DataRanges || !Descriptor[Pin->PinId].DataRangesCount)
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{
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Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
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Status = STATUS_UNSUCCESSFUL;
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Irp->IoStatus.Information = 0;
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return STATUS_UNSUCCESSFUL;
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break;
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}
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WaveFormatOut = (PKSDATARANGE_AUDIO*)Descriptor[Pin->PinId].DataRanges;
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for(Index = 0; Index < Descriptor[Pin->PinId].DataRangesCount; Index++)
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@ -468,16 +572,16 @@ KsPinPropertyHandler(
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return STATUS_SUCCESS;
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}
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}
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Irp->IoStatus.Status = STATUS_NO_MATCH;
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Status = STATUS_NO_MATCH;
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Irp->IoStatus.Information = 0;
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return STATUS_NO_MATCH;
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break;
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default:
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DPRINT1("Unhandled property request %x\n", Property->Id);
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Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
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Status = STATUS_NOT_IMPLEMENTED;
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Irp->IoStatus.Information = 0;
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}
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return Irp->IoStatus.Status;
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return Status;
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}
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/*
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