class Device(packets.BigEndian):
""" Repeating device data """
class Iface(packets.BigEndian):
""" Repeating interface data """
fields = [
fields.UInt8('iface_class', default=0xff),
fields.UInt8('iface_subclass', default=0xff),
fields.UInt8('iface_proto', default=0xff),
fields.Padding()
]
fields = [
fields.String('path', default='/', size=256),
fields.String('bus_id', default='1-1', size=32),
fields.UInt32('bus_num', default=1),
fields.UInt32('device_num', default=1),
fields.UInt32('speed', default=2),
fields.UInt16('vendor_id', default=0x0000),
fields.UInt16('product_id', default=0x0000),
fields.UInt16('device_version', default=0),
fields.UInt8('device_class', default=0xff),
fields.UInt8('device_subclass', default=0xff),
fields.UInt8('device_protocol', default=0xff),
fields.UInt8('config_value', default=1),
fields.UInt8('config_count', default=1),
fields.UInt8('iface_count', default=0),
fields.List('ifaces',
fields.Packet(default=Iface()),
size='iface_count')
]
class OpReqDevlist(packets.BigEndian):
""" OP - Device list request """
fields = [
fields.UInt16('version', default=USBIP_VERSION),
fields.UInt16('command', default=OP_REQ_DEVLIST),
fields.UInt32('status', default=0)
]
class OpReqImport(packets.BigEndian):
""" OP - Import request """
fields = [
fields.UInt16('version', default=USBIP_VERSION),
fields.UInt16('command', default=OP_REQ_IMPORT),
fields.UInt32('status', default=0),
fields.String('bus_id', default='1-1', size=32)
]
class UrbSetup(packets.LittleEndian):
""" URB Setup Block """
fields = [
fields.UInt8('bmRequestType', default=0x00),
fields.UInt8('bRequest', default=0x00),
fields.UInt16('wValue', default=0x0000),
fields.UInt16('wIndex', default=0x0000),
fields.UInt16('wLength', default=0x0000)
]
class DeviceDescriptor(packets.LittleEndian):
""" USB Device descriptor sub packet """
fields = [
fields.UInt8('bLength', default=0),
fields.UInt8('bDescriptorType', default=0),
fields.UInt16('bcdUSB', default=0),
fields.UInt8('bDeviceClass', default=0),
fields.UInt8('bDeviceSubClass', default=0),
fields.UInt8('bDeviceProtocol', default=0),
fields.UInt8('bMaxPacketSize', default=0),
fields.UInt16('idVendor', default=0),
fields.UInt16('idProduct', default=0),
fields.UInt16('bcdDevice', default=0),
fields.UInt8('iManufacturer', default=0),
fields.UInt8('iProduct', default=0),
fields.UInt8('iSerialNumber', default=0),
fields.UInt8('bNumConfigurations', default=0)
]
class OpRepDevlist(packets.BigEndian):
""" OP - Device list response """
# Packet contains a nested variable size device data structure
class Device(packets.BigEndian):
""" Repeating device data """
class Iface(packets.BigEndian):
""" Repeating interface data """
fields = [
fields.UInt8('iface_class', default=0xff),
fields.UInt8('iface_subclass', default=0xff),
fields.UInt8('iface_proto', default=0xff),
fields.Padding()
]
fields = [
fields.String('path', default='/', size=256),
fields.String('bus_id', default='1-1', size=32),
fields.UInt32('bus_num', default=1),
fields.UInt32('device_num', default=1),
fields.UInt32('speed', default=2),
fields.UInt16('vendor_id', default=0x0000),
fields.UInt16('product_id', default=0x0000),
fields.UInt16('device_version', default=0),
fields.UInt8('device_class', default=0xff),
fields.UInt8('device_subclass', default=0xff),
fields.UInt8('device_protocol', default=0xff),
fields.UInt8('config_value', default=1),
fields.UInt8('config_count', default=1),
fields.UInt8('iface_count', default=0),
fields.List('ifaces',
fields.Packet(default=Iface()),
size='iface_count')
]
fields = [
fields.UInt16('version', default=USBIP_VERSION),
fields.UInt16('command', default=OP_REP_DEVLIST),
fields.UInt32('status', default=0),
fields.UInt32('device_count', default=0),
fields.List('devices',
fields.Packet(default=Device()),
size='device_count')
]
class EndpointDescriptor(packets.LittleEndian):
""" USB Endpoint Descriptor """
fields = [
fields.UInt8('bLength', default=0),
fields.UInt8('bDescriptorType', default=0),
fields.UInt8('bEndpointAddress', default=0),
fields.UInt8('bmAttributes', default=0),
fields.UInt16('wMaxPacketSize', default=0),
fields.UInt8('bInterval', default=0)
]
class UsbIpRetUnlink(packets.BigEndian):
""" USBIP - Unlink response """
fields = [
fields.Padding(),
fields.Padding(),
fields.UInt16('command', default=USBIP_RET_UNLINK),
fields.UInt32('seq_num', default=0),
fields.UInt32('dev_id', default=0),
fields.UInt32('direction', default=0x00000000),
fields.UInt32('endpoint', default=0x00000000),
fields.UInt32('status', default=0)
]
class UsbIpCmdUnlink(packets.BigEndian):
""" USBIP - Unlink request """
fields = [
fields.Padding(),
fields.Padding(),
fields.UInt16('command', default=USBIP_CMD_UNLINK),
fields.UInt32('seq_num', default=0),
fields.UInt32('dev_id', default=0),
fields.UInt32('direction', default=0x00000000),
fields.UInt32('endpoint', default=0x00000000),
fields.UInt32('seq_num', default=0)
]
class OpRepImport(packets.BigEndian):
""" OP - Import response """
fields = [
fields.UInt16('version', default=USBIP_VERSION),
fields.UInt16('command', default=OP_REP_IMPORT),
fields.UInt32('status', default=0),
fields.String('full_path', default='/', size=256),
fields.String('bus_id', default='1-1', size=32),
fields.UInt32('bus_no', default=1),
fields.UInt32('device_no', default=1),
fields.UInt32('device_speed', default=2),
fields.UInt16('vendor_id', default=0x0000),
fields.UInt16('product_id', default=0x0000),
fields.UInt16('device_version', default=0),
fields.UInt8('device_class', default=0xff),
fields.UInt8('device_subclass', default=0xff),
fields.UInt8('device_protocol', default=0xff),
fields.UInt8('config_value', default=1),
fields.UInt8('config_count', default=1),
fields.UInt8('iface_count', default=0)
]
class ConfigurationDescriptor(packets.LittleEndian):
""" USB Configuration Descriptor """
fields = [
fields.UInt8('bLength', default=0),
fields.UInt8('bDescriptorType', default=0),
fields.UInt16('wTotalLength', default=0),
fields.UInt8('bNumInterfaces', default=0),
fields.UInt8('bConfigurationValue', default=0),
fields.UInt8('iConfiguration', default=0),
fields.UInt8('bmAttributes', default=0),
fields.UInt8('bMaxPower', default=0),
fields.List('interfaces',
fields.Packet(default=InterfaceDescriptor()),
size='bNumInterfaces')
]
class UsbIpRetSubmit(packets.BigEndian):
""" USBIP - Submit response """
fields = [
fields.Padding(),
fields.Padding(),
fields.UInt16('command', default=USBIP_RET_SUBMIT),
fields.UInt32('seq_num', default=0),
fields.UInt32('dev_id', default=0),
fields.UInt32('direction', default=0x00000000),
fields.UInt32('endpoint', default=0x00000000),
fields.UInt32('status', default=0),
fields.UInt32('actual_len', default=0),
fields.UInt32('start_frame', default=0),
fields.UInt32('packet_count', default=0),
fields.UInt32('error_count', default=0),
fields.Packet('setup', default=UrbSetup())
]
class UsbIpCmdSubmit(packets.BigEndian):
""" USBIP - Submit request """
fields = [
fields.Padding(),
fields.Padding(),
fields.UInt16('command', default=USBIP_CMD_SUBMIT),
fields.UInt32('seq_num', default=0),
fields.UInt32('dev_id', default=0),
fields.UInt32('direction', default=0x00000000),
fields.UInt32('endpoint', default=0x00000000),
fields.UInt32('transfer_flags', default=0x00000000),
fields.UInt32('buffer_len', default=0),
fields.UInt32('start_frame', default=0),
fields.UInt32('packet_count', default=0),
fields.UInt32('interval', default=0),
fields.Packet('setup', default=UrbSetup())
]