diff options
author | Ondrej Fabry <ofabry@cisco.com> | 2019-08-02 15:07:53 +0200 |
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committer | Ondrej Fabry <ofabry@cisco.com> | 2019-08-02 15:07:53 +0200 |
commit | ca6003af1a7e1adb7d45879c2d5038bc05c2bb1a (patch) | |
tree | 97a3620b0fc5c7a0ee032fe7d12d37b6303cfb01 /vendor/github.com/google/gopacket/layers/usb.go | |
parent | 639870b5083a1e66f4584ec7a5f30492fcdb7168 (diff) |
Migrate to modules, refactor Makefile and use Travis for CI
- migrate to Go modules and remove vendor
- refactor Makefile
- add version package and store version
- split extras from the rest
- use travis for CI
Change-Id: I81b35220653b0f7c9a0fcdd4c527d691ec1e96c1
Signed-off-by: Ondrej Fabry <ofabry@cisco.com>
Diffstat (limited to 'vendor/github.com/google/gopacket/layers/usb.go')
-rw-r--r-- | vendor/github.com/google/gopacket/layers/usb.go | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/vendor/github.com/google/gopacket/layers/usb.go b/vendor/github.com/google/gopacket/layers/usb.go deleted file mode 100644 index d4f483c..0000000 --- a/vendor/github.com/google/gopacket/layers/usb.go +++ /dev/null @@ -1,308 +0,0 @@ -// Copyright 2014 Google, Inc. All rights reserved. -// -// Use of this source code is governed by a BSD-style license -// that can be found in the LICENSE file in the root of the source -// tree. - -package layers - -import ( - "encoding/binary" - "github.com/google/gopacket" -) - -type USBEventType uint8 - -const ( - USBEventTypeSubmit USBEventType = 'S' - USBEventTypeComplete USBEventType = 'C' - USBEventTypeError USBEventType = 'E' -) - -func (a USBEventType) String() string { - switch a { - case USBEventTypeSubmit: - return "SUBMIT" - case USBEventTypeComplete: - return "COMPLETE" - case USBEventTypeError: - return "ERROR" - default: - return "Unknown event type" - } -} - -type USBRequestBlockSetupRequest uint8 - -const ( - USBRequestBlockSetupRequestGetStatus USBRequestBlockSetupRequest = 0x00 - USBRequestBlockSetupRequestClearFeature USBRequestBlockSetupRequest = 0x01 - USBRequestBlockSetupRequestSetFeature USBRequestBlockSetupRequest = 0x03 - USBRequestBlockSetupRequestSetAddress USBRequestBlockSetupRequest = 0x05 - USBRequestBlockSetupRequestGetDescriptor USBRequestBlockSetupRequest = 0x06 - USBRequestBlockSetupRequestSetDescriptor USBRequestBlockSetupRequest = 0x07 - USBRequestBlockSetupRequestGetConfiguration USBRequestBlockSetupRequest = 0x08 - USBRequestBlockSetupRequestSetConfiguration USBRequestBlockSetupRequest = 0x09 - USBRequestBlockSetupRequestSetIdle USBRequestBlockSetupRequest = 0x0a -) - -func (a USBRequestBlockSetupRequest) String() string { - switch a { - case USBRequestBlockSetupRequestGetStatus: - return "GET_STATUS" - case USBRequestBlockSetupRequestClearFeature: - return "CLEAR_FEATURE" - case USBRequestBlockSetupRequestSetFeature: - return "SET_FEATURE" - case USBRequestBlockSetupRequestSetAddress: - return "SET_ADDRESS" - case USBRequestBlockSetupRequestGetDescriptor: - return "GET_DESCRIPTOR" - case USBRequestBlockSetupRequestSetDescriptor: - return "SET_DESCRIPTOR" - case USBRequestBlockSetupRequestGetConfiguration: - return "GET_CONFIGURATION" - case USBRequestBlockSetupRequestSetConfiguration: - return "SET_CONFIGURATION" - case USBRequestBlockSetupRequestSetIdle: - return "SET_IDLE" - default: - return "UNKNOWN" - } -} - -type USBTransportType uint8 - -const ( - USBTransportTypeTransferIn USBTransportType = 0x80 // Indicates send or receive - USBTransportTypeIsochronous USBTransportType = 0x00 // Isochronous transfers occur continuously and periodically. They typically contain time sensitive information, such as an audio or video stream. - USBTransportTypeInterrupt USBTransportType = 0x01 // Interrupt transfers are typically non-periodic, small device "initiated" communication requiring bounded latency, such as pointing devices or keyboards. - USBTransportTypeControl USBTransportType = 0x02 // Control transfers are typically used for command and status operations. - USBTransportTypeBulk USBTransportType = 0x03 // Bulk transfers can be used for large bursty data, using all remaining available bandwidth, no guarantees on bandwidth or latency, such as file transfers. -) - -func (a USBTransportType) LayerType() gopacket.LayerType { - return USBTypeMetadata[a].LayerType -} - -func (a USBTransportType) String() string { - switch a { - case USBTransportTypeTransferIn: - return "Transfer In" - case USBTransportTypeIsochronous: - return "Isochronous" - case USBTransportTypeInterrupt: - return "Interrupt" - case USBTransportTypeControl: - return "Control" - case USBTransportTypeBulk: - return "Bulk" - default: - return "Unknown transport type" - } -} - -type USBDirectionType uint8 - -const ( - USBDirectionTypeUnknown USBDirectionType = iota - USBDirectionTypeIn - USBDirectionTypeOut -) - -func (a USBDirectionType) String() string { - switch a { - case USBDirectionTypeIn: - return "In" - case USBDirectionTypeOut: - return "Out" - default: - return "Unknown direction type" - } -} - -// The reference at http://www.beyondlogic.org/usbnutshell/usb1.shtml contains more information about the protocol. -type USB struct { - BaseLayer - ID uint64 - EventType USBEventType - TransferType USBTransportType - Direction USBDirectionType - EndpointNumber uint8 - DeviceAddress uint8 - BusID uint16 - TimestampSec int64 - TimestampUsec int32 - Setup bool - Data bool - Status int32 - UrbLength uint32 - UrbDataLength uint32 - - UrbInterval uint32 - UrbStartFrame uint32 - UrbCopyOfTransferFlags uint32 - IsoNumDesc uint32 -} - -func (u *USB) LayerType() gopacket.LayerType { return LayerTypeUSB } - -func (m *USB) NextLayerType() gopacket.LayerType { - if m.Setup { - return LayerTypeUSBRequestBlockSetup - } else if m.Data { - } - - return m.TransferType.LayerType() -} - -func decodeUSB(data []byte, p gopacket.PacketBuilder) error { - d := &USB{} - - return decodingLayerDecoder(d, data, p) -} - -func (m *USB) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error { - m.ID = binary.LittleEndian.Uint64(data[0:8]) - m.EventType = USBEventType(data[8]) - m.TransferType = USBTransportType(data[9]) - - m.EndpointNumber = data[10] & 0x7f - if data[10]&uint8(USBTransportTypeTransferIn) > 0 { - m.Direction = USBDirectionTypeIn - } else { - m.Direction = USBDirectionTypeOut - } - - m.DeviceAddress = data[11] - m.BusID = binary.LittleEndian.Uint16(data[12:14]) - - if uint(data[14]) == 0 { - m.Setup = true - } - - if uint(data[15]) == 0 { - m.Data = true - } - - m.TimestampSec = int64(binary.LittleEndian.Uint64(data[16:24])) - m.TimestampUsec = int32(binary.LittleEndian.Uint32(data[24:28])) - m.Status = int32(binary.LittleEndian.Uint32(data[28:32])) - m.UrbLength = binary.LittleEndian.Uint32(data[32:36]) - m.UrbDataLength = binary.LittleEndian.Uint32(data[36:40]) - - m.Contents = data[:40] - m.Payload = data[40:] - - if m.Setup { - m.Payload = data[40:] - } else if m.Data { - m.Payload = data[uint32(len(data))-m.UrbDataLength:] - } - - // if 64 bit, dissect_linux_usb_pseudo_header_ext - if false { - m.UrbInterval = binary.LittleEndian.Uint32(data[40:44]) - m.UrbStartFrame = binary.LittleEndian.Uint32(data[44:48]) - m.UrbDataLength = binary.LittleEndian.Uint32(data[48:52]) - m.IsoNumDesc = binary.LittleEndian.Uint32(data[52:56]) - m.Contents = data[:56] - m.Payload = data[56:] - } - - // crc5 or crc16 - // eop (end of packet) - - return nil -} - -type USBRequestBlockSetup struct { - BaseLayer - RequestType uint8 - Request USBRequestBlockSetupRequest - Value uint16 - Index uint16 - Length uint16 -} - -func (u *USBRequestBlockSetup) LayerType() gopacket.LayerType { return LayerTypeUSBRequestBlockSetup } - -func (m *USBRequestBlockSetup) NextLayerType() gopacket.LayerType { - return gopacket.LayerTypePayload -} - -func (m *USBRequestBlockSetup) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error { - m.RequestType = data[0] - m.Request = USBRequestBlockSetupRequest(data[1]) - m.Value = binary.LittleEndian.Uint16(data[2:4]) - m.Index = binary.LittleEndian.Uint16(data[4:6]) - m.Length = binary.LittleEndian.Uint16(data[6:8]) - m.Contents = data[:8] - m.Payload = data[8:] - return nil -} - -func decodeUSBRequestBlockSetup(data []byte, p gopacket.PacketBuilder) error { - d := &USBRequestBlockSetup{} - return decodingLayerDecoder(d, data, p) -} - -type USBControl struct { - BaseLayer -} - -func (u *USBControl) LayerType() gopacket.LayerType { return LayerTypeUSBControl } - -func (m *USBControl) NextLayerType() gopacket.LayerType { - return gopacket.LayerTypePayload -} - -func (m *USBControl) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error { - m.Contents = data - return nil -} - -func decodeUSBControl(data []byte, p gopacket.PacketBuilder) error { - d := &USBControl{} - return decodingLayerDecoder(d, data, p) -} - -type USBInterrupt struct { - BaseLayer -} - -func (u *USBInterrupt) LayerType() gopacket.LayerType { return LayerTypeUSBInterrupt } - -func (m *USBInterrupt) NextLayerType() gopacket.LayerType { - return gopacket.LayerTypePayload -} - -func (m *USBInterrupt) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error { - m.Contents = data - return nil -} - -func decodeUSBInterrupt(data []byte, p gopacket.PacketBuilder) error { - d := &USBInterrupt{} - return decodingLayerDecoder(d, data, p) -} - -type USBBulk struct { - BaseLayer -} - -func (u *USBBulk) LayerType() gopacket.LayerType { return LayerTypeUSBBulk } - -func (m *USBBulk) NextLayerType() gopacket.LayerType { - return gopacket.LayerTypePayload -} - -func (m *USBBulk) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error { - m.Contents = data - return nil -} - -func decodeUSBBulk(data []byte, p gopacket.PacketBuilder) error { - d := &USBBulk{} - return decodingLayerDecoder(d, data, p) -} |