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https://github.com/reactos/reactos.git
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[LIBUSB]
- Fix bug while scanning endpoint descriptors - Do not assume interface info has the correct number of pipes set - Fix alternate interface handling - Tested in VBox + USB Audio Device svn path=/trunk/; revision=55992
This commit is contained in:
Johannes Anderwald
parent
9bb1ba5ee4
commit
a5bdcfa727
3 changed files with 119 additions and 63 deletions
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@ -798,6 +798,7 @@ CHubController::HandleIsochronousTransfer(
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// sanity checks
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//
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ASSERT(EndPointDesc);
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DPRINT("HandleIsochronousTransfer EndPointDesc %p Address %x bmAttributes %x\n", EndPointDesc, EndPointDesc->bEndpointAddress, EndPointDesc->bmAttributes);
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ASSERT((EndPointDesc->bmAttributes & USB_ENDPOINT_TYPE_MASK) == USB_ENDPOINT_TYPE_ISOCHRONOUS);
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//
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@ -13,7 +13,6 @@ extern "C"
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#include <usbdlib.h>
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}
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//
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// FIXME:
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// #include <usbprotocoldefs.h>
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@ -65,6 +65,8 @@ public:
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virtual VOID DumpDeviceDescriptor(PUSB_DEVICE_DESCRIPTOR DeviceDescriptor);
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virtual VOID DumpConfigurationDescriptor(PUSB_CONFIGURATION_DESCRIPTOR ConfigurationDescriptor);
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virtual NTSTATUS GetConfigurationDescriptor(UCHAR ConfigurationIndex, USHORT BufferSize, PVOID Buffer);
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virtual NTSTATUS BuildInterfaceDescriptor(IN ULONG ConfigurationIndex, IN PUSB_INTERFACE_DESCRIPTOR InterfaceDescriptor, OUT PUSBD_INTERFACE_INFORMATION InterfaceInfo, OUT PUSB_INTERFACE *OutUsbInterface);
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// constructor / destructor
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CUSBDevice(IUnknown *OuterUnknown){}
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@ -916,6 +918,92 @@ CUSBDevice::SubmitSetupPacket(
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//
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return Status;
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}
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//----------------------------------------------------------------------------------------
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NTSTATUS
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CUSBDevice::BuildInterfaceDescriptor(
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IN ULONG ConfigurationIndex,
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IN PUSB_INTERFACE_DESCRIPTOR InterfaceDescriptor,
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OUT PUSBD_INTERFACE_INFORMATION InterfaceInfo,
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OUT PUSB_INTERFACE *OutUsbInterface)
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{
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PUSB_INTERFACE UsbInterface;
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PUSB_ENDPOINT_DESCRIPTOR EndpointDescriptor;
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ULONG PipeIndex;
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// allocate interface handle
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UsbInterface = (PUSB_INTERFACE)ExAllocatePool(NonPagedPool, sizeof(USB_INTERFACE) + (InterfaceDescriptor->bNumEndpoints - 1) * sizeof(USB_ENDPOINT));
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if (!UsbInterface)
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{
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// failed to allocate memory
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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// zero descriptor
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RtlZeroMemory(UsbInterface, sizeof(USB_INTERFACE) + (InterfaceDescriptor->bNumEndpoints - 1) * sizeof(USB_ENDPOINT));
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// store handle
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InterfaceInfo->InterfaceHandle = (USBD_INTERFACE_HANDLE)UsbInterface;
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InterfaceInfo->Class = InterfaceDescriptor->bInterfaceClass;
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InterfaceInfo->SubClass = InterfaceDescriptor->bInterfaceSubClass;
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InterfaceInfo->Protocol = InterfaceDescriptor->bInterfaceProtocol;
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InterfaceInfo->Reserved = 0;
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// init interface handle
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UsbInterface->InterfaceDescriptor = InterfaceDescriptor;
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InsertTailList(&m_ConfigurationDescriptors[ConfigurationIndex].InterfaceList, &UsbInterface->ListEntry);
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// grab first endpoint descriptor
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EndpointDescriptor = (PUSB_ENDPOINT_DESCRIPTOR) (InterfaceDescriptor + 1);
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// now copy all endpoint information
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for(PipeIndex = 0; PipeIndex < InterfaceDescriptor->bNumEndpoints; PipeIndex++)
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{
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while(EndpointDescriptor->bDescriptorType != USB_ENDPOINT_DESCRIPTOR_TYPE)
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{
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// skip intermediate descriptors
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if (EndpointDescriptor->bLength == 0 || EndpointDescriptor->bDescriptorType == USB_INTERFACE_DESCRIPTOR_TYPE)
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{
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// bogus configuration descriptor
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DPRINT1("[USBEHCI] Bogus descriptor found in InterfaceNumber %x Alternate %x EndpointIndex %x bLength %x bDescriptorType %x\n", InterfaceDescriptor->bInterfaceNumber, InterfaceDescriptor->bAlternateSetting, PipeIndex,
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EndpointDescriptor->bLength, EndpointDescriptor->bDescriptorType);
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// failed
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return STATUS_UNSUCCESSFUL;
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}
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// move to next descriptor
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EndpointDescriptor = (PUSB_ENDPOINT_DESCRIPTOR)((ULONG_PTR)EndpointDescriptor + EndpointDescriptor->bLength);
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}
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// store in interface info
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RtlCopyMemory(&UsbInterface->EndPoints[PipeIndex].EndPointDescriptor, EndpointDescriptor, sizeof(USB_ENDPOINT_DESCRIPTOR));
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DPRINT("Configuration Descriptor %p Length %lu\n", m_ConfigurationDescriptors[ConfigurationIndex].ConfigurationDescriptor, m_ConfigurationDescriptors[ConfigurationIndex].ConfigurationDescriptor->wTotalLength);
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DPRINT("EndpointDescriptor %p DescriptorType %x bLength %x\n", EndpointDescriptor, EndpointDescriptor->bDescriptorType, EndpointDescriptor->bLength);
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DPRINT("EndpointDescriptorHandle %p bAddress %x bmAttributes %x\n",&UsbInterface->EndPoints[PipeIndex], UsbInterface->EndPoints[PipeIndex].EndPointDescriptor.bEndpointAddress,
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UsbInterface->EndPoints[PipeIndex].EndPointDescriptor.bmAttributes);
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// copy pipe info
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InterfaceInfo->Pipes[PipeIndex].MaximumPacketSize = UsbInterface->EndPoints[PipeIndex].EndPointDescriptor.wMaxPacketSize;
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InterfaceInfo->Pipes[PipeIndex].EndpointAddress = UsbInterface->EndPoints[PipeIndex].EndPointDescriptor.bEndpointAddress;
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InterfaceInfo->Pipes[PipeIndex].Interval = UsbInterface->EndPoints[PipeIndex].EndPointDescriptor.bInterval;
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InterfaceInfo->Pipes[PipeIndex].PipeType = (USBD_PIPE_TYPE)UsbInterface->EndPoints[PipeIndex].EndPointDescriptor.bmAttributes;
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InterfaceInfo->Pipes[PipeIndex].PipeHandle = (PVOID)&UsbInterface->EndPoints[PipeIndex];
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// move to next descriptor
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EndpointDescriptor = (PUSB_ENDPOINT_DESCRIPTOR)((ULONG_PTR)EndpointDescriptor + EndpointDescriptor->bLength);
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}
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if (OutUsbInterface)
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{
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// output result
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*OutUsbInterface = UsbInterface;
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}
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return STATUS_SUCCESS;
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}
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//----------------------------------------------------------------------------------------
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NTSTATUS
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@ -924,7 +1012,7 @@ CUSBDevice::SelectConfiguration(
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IN PUSBD_INTERFACE_INFORMATION InterfaceInfo,
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OUT USBD_CONFIGURATION_HANDLE *ConfigurationHandle)
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{
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ULONG InterfaceIndex, PipeIndex;
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ULONG InterfaceIndex;
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USB_DEFAULT_PIPE_SETUP_PACKET CtrlSetup;
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NTSTATUS Status;
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UCHAR bConfigurationValue = 0;
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@ -932,7 +1020,6 @@ CUSBDevice::SelectConfiguration(
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UCHAR Found = FALSE;
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PUSB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
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PUSB_INTERFACE UsbInterface;
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PUSB_ENDPOINT_DESCRIPTOR EndpointDescriptor;
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PLIST_ENTRY Entry;
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if (ConfigurationDescriptor)
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@ -1029,61 +1116,11 @@ CUSBDevice::SelectConfiguration(
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ASSERT(InterfaceInfo->NumberOfPipes == InterfaceDescriptor->bNumEndpoints);
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// copy interface info
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InterfaceInfo->Class = InterfaceDescriptor->bInterfaceClass;
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InterfaceInfo->SubClass = InterfaceDescriptor->bInterfaceSubClass;
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InterfaceInfo->Protocol = InterfaceDescriptor->bInterfaceProtocol;
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InterfaceInfo->Reserved = 0;
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// allocate interface handle
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UsbInterface = (PUSB_INTERFACE)ExAllocatePool(NonPagedPool, sizeof(USB_INTERFACE) + (InterfaceInfo->NumberOfPipes - 1) * sizeof(USB_ENDPOINT));
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if (!UsbInterface)
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Status = BuildInterfaceDescriptor(ConfigurationIndex, InterfaceDescriptor, InterfaceInfo, NULL);
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if (!NT_SUCCESS(Status))
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{
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// failed to allocate memory
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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// store handle
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InterfaceInfo->InterfaceHandle = (USBD_INTERFACE_HANDLE)UsbInterface;
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// init interface handle
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UsbInterface->InterfaceDescriptor = InterfaceDescriptor;
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InsertTailList(&m_ConfigurationDescriptors[ConfigurationIndex].InterfaceList, &UsbInterface->ListEntry);
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// grab first endpoint descriptor
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EndpointDescriptor = (PUSB_ENDPOINT_DESCRIPTOR) (InterfaceDescriptor + 1);
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// now copy all endpoint information
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for(PipeIndex = 0; PipeIndex < InterfaceInfo->NumberOfPipes; PipeIndex++)
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{
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while(EndpointDescriptor->bDescriptorType != USB_ENDPOINT_DESCRIPTOR_TYPE && EndpointDescriptor->bLength != sizeof(USB_ENDPOINT_DESCRIPTOR))
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{
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// skip intermediate descriptors
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if (EndpointDescriptor->bLength == 0 || EndpointDescriptor->bDescriptorType == USB_INTERFACE_DESCRIPTOR_TYPE)
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{
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// bogus configuration descriptor
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DPRINT1("[USBEHCI] Bogus descriptor found in InterfaceNumber %x Alternate %x EndpointIndex %x bLength %x bDescriptorType %x\n", InterfaceDescriptor->bInterfaceNumber, InterfaceDescriptor->bAlternateSetting, PipeIndex,
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EndpointDescriptor->bLength, EndpointDescriptor->bDescriptorType);
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// failed
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return STATUS_UNSUCCESSFUL;
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}
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// move to next descriptor
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EndpointDescriptor = (PUSB_ENDPOINT_DESCRIPTOR)((ULONG_PTR)EndpointDescriptor + EndpointDescriptor->bLength);
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}
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// store in interface info
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RtlCopyMemory(&UsbInterface->EndPoints[PipeIndex].EndPointDescriptor, EndpointDescriptor, sizeof(USB_ENDPOINT_DESCRIPTOR));
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// copy pipe info
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InterfaceInfo->Pipes[PipeIndex].MaximumPacketSize = UsbInterface->EndPoints[PipeIndex].EndPointDescriptor.wMaxPacketSize;
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InterfaceInfo->Pipes[PipeIndex].EndpointAddress = UsbInterface->EndPoints[PipeIndex].EndPointDescriptor.bEndpointAddress;
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InterfaceInfo->Pipes[PipeIndex].Interval = UsbInterface->EndPoints[PipeIndex].EndPointDescriptor.bInterval;
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InterfaceInfo->Pipes[PipeIndex].PipeType = (USBD_PIPE_TYPE)UsbInterface->EndPoints[PipeIndex].EndPointDescriptor.bmAttributes;
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InterfaceInfo->Pipes[PipeIndex].PipeHandle = (PVOID)&UsbInterface->EndPoints[PipeIndex];
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// move to next descriptor
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EndpointDescriptor = (PUSB_ENDPOINT_DESCRIPTOR)((ULONG_PTR)EndpointDescriptor + EndpointDescriptor->bLength);
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// failed
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break;
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}
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// move offset
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@ -1108,6 +1145,7 @@ CUSBDevice::SelectInterface(
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ULONG Index, ConfigurationIndex = 0, Found = FALSE;
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PUSB_INTERFACE UsbInterface;
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PLIST_ENTRY Entry;
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PUSB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
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// check if handle is valid
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for(Index = 0; Index < m_DeviceDescriptor.bNumConfigurations; Index++)
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@ -1171,17 +1209,35 @@ CUSBDevice::SelectInterface(
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if (!Found)
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{
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// selected interface but interface not found
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// something is really wrong
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DPRINT1("[USBEHCI] Error: interface not found!!!\n");
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return STATUS_UNSUCCESSFUL;
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// find interface descriptor
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InterfaceDescriptor = USBD_ParseConfigurationDescriptor(m_ConfigurationDescriptors[ConfigurationIndex].ConfigurationDescriptor, InterfaceInfo->InterfaceNumber, InterfaceInfo->AlternateSetting);
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if (!InterfaceDescriptor)
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{
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DPRINT1("[LIBUSB] No such interface Alternate %x InterfaceNumber %x\n", InterfaceInfo->AlternateSetting, InterfaceInfo->InterfaceNumber);
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return STATUS_UNSUCCESSFUL;
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}
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// build interface descriptor
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Status = BuildInterfaceDescriptor(ConfigurationIndex, InterfaceDescriptor, InterfaceInfo, &UsbInterface);
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if (!NT_SUCCESS(Status))
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{
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// failed
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DPRINT1("[LIBUSB] Failed to build interface descriptor Status %x\n", Status);
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return Status;
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}
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}
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// assert on pipe length mismatch
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ASSERT(InterfaceInfo->NumberOfPipes == UsbInterface->InterfaceDescriptor->bNumEndpoints);
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DPRINT1("NumberOfPipes %lu Endpoints %lu Length %lu\n", InterfaceInfo->NumberOfPipes, UsbInterface->InterfaceDescriptor->bNumEndpoints, InterfaceInfo->Length);
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// sanity check
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ASSERT(GET_USBD_INTERFACE_SIZE(UsbInterface->InterfaceDescriptor->bNumEndpoints) == InterfaceInfo->Length);
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// store number of pipes
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InterfaceInfo->NumberOfPipes = UsbInterface->InterfaceDescriptor->bNumEndpoints;
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// copy pipe handles
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for(PipeIndex = 0; PipeIndex < min(InterfaceInfo->NumberOfPipes, UsbInterface->InterfaceDescriptor->bNumEndpoints); PipeIndex++)
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for(PipeIndex = 0; PipeIndex < UsbInterface->InterfaceDescriptor->bNumEndpoints; PipeIndex++)
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{
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// copy pipe handle
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DPRINT1("PipeIndex %lu\n", PipeIndex);
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