4195 lines
165 KiB
C
4195 lines
165 KiB
C
/* packet-usb.c
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*
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* $Id$
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*
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* USB basic dissector
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* By Paolo Abeni <paolo.abeni@email.it>
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* Ronnie Sahlberg 2006
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*
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* http://www.usb.org/developers/docs/usb_20_122909-2.zip
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <ctype.h>
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/exceptions.h>
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#include <epan/etypes.h>
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#include <epan/addr_resolv.h>
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#include <epan/wmem/wmem.h>
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#include <epan/tap.h>
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#include <epan/conversation.h>
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#include <epan/expert.h>
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#include <epan/prefs.h>
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#include <epan/decode_as.h>
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#include "packet-usb.h"
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#include "packet-usb-hid.h"
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/* internal header flags */
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#define USB_HEADER_IS_LINUX (1 << 0)
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#define USB_HEADER_IS_64_BYTES (1 << 1)
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#define USB_HEADER_IS_USBPCAP (1 << 2)
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/* protocols and header fields */
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static int proto_usb = -1;
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/* Linux USB pseudoheader fields */
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static int hf_usb_urb_id = -1;
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static int hf_usb_urb_type = -1;
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static int hf_usb_transfer_type = -1;
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static int hf_usb_endpoint_number = -1;
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static int hf_usb_endpoint_direction = -1;
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static int hf_usb_endpoint_number_value = -1;
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static int hf_usb_device_address = -1;
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static int hf_usb_bus_id = -1;
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static int hf_usb_setup_flag = -1;
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static int hf_usb_data_flag = -1;
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static int hf_usb_urb_ts_sec = -1;
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static int hf_usb_urb_ts_usec = -1;
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static int hf_usb_urb_status = -1;
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static int hf_usb_urb_len = -1;
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static int hf_usb_urb_data_len = -1;
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/* Win32 USBPcap pseudoheader fields */
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static int hf_usb_win32_header_len = -1;
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static int hf_usb_irp_id = -1;
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static int hf_usb_usbd_status = -1;
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static int hf_usb_function = -1;
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static int hf_usb_info = -1;
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static int hf_usb_usbpcap_info_reserved = -1;
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static int hf_usb_usbpcap_info_direction = -1;
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static int hf_usb_win32_device_address = -1;
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/* hf_usb_bus_id, hf_usb_endpoint_number, hf_usb_endpoint_direction,
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* hf_usb_endpoint_number_value, hf_usb_transfer_type are common with
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* Linux pseudoheader */
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static int hf_usb_win32_data_len = -1;
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static int hf_usb_control_stage = -1;
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static int hf_usb_win32_iso_start_frame = -1;
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static int hf_usb_win32_iso_num_packets = -1;
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static int hf_usb_win32_iso_error_count = -1;
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static int hf_usb_win32_iso_offset = -1;
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static int hf_usb_win32_iso_length = -1;
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static int hf_usb_win32_iso_status = -1;
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static int hf_usb_request = -1;
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static int hf_usb_request_unknown_class = -1;
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static int hf_usb_value = -1;
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static int hf_usb_index = -1;
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static int hf_usb_length = -1;
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/* static int hf_usb_data_len = -1; */
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static int hf_usb_capdata = -1;
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static int hf_usb_wFeatureSelector = -1;
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static int hf_usb_wInterface = -1;
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static int hf_usb_wStatus = -1;
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static int hf_usb_wFrameNumber = -1;
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static int hf_usb_iso_error_count = -1;
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static int hf_usb_iso_numdesc = -1;
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static int hf_usb_iso_status = -1;
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static int hf_usb_iso_off = -1;
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static int hf_usb_iso_len = -1;
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static int hf_usb_iso_pad = -1;
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static int hf_usb_iso_data = -1;
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static int hf_usb_bmRequestType = -1;
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static int hf_usb_bmRequestType_direction = -1;
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static int hf_usb_bmRequestType_type = -1;
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static int hf_usb_bmRequestType_recipient = -1;
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static int hf_usb_bDescriptorType = -1;
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static int hf_usb_descriptor_index = -1;
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static int hf_usb_language_id = -1;
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static int hf_usb_bLength = -1;
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static int hf_usb_bcdUSB = -1;
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static int hf_usb_bDeviceClass = -1;
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static int hf_usb_bDeviceSubClass = -1;
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static int hf_usb_bDeviceProtocol = -1;
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static int hf_usb_bMaxPacketSize0 = -1;
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static int hf_usb_idVendor = -1;
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static int hf_usb_idProduct = -1;
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static int hf_usb_bcdDevice = -1;
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static int hf_usb_iManufacturer = -1;
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static int hf_usb_iProduct = -1;
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static int hf_usb_iSerialNumber = -1;
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static int hf_usb_bNumConfigurations = -1;
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static int hf_usb_wLANGID = -1;
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static int hf_usb_bString = -1;
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static int hf_usb_bInterfaceNumber = -1;
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static int hf_usb_bAlternateSetting = -1;
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static int hf_usb_bNumEndpoints = -1;
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static int hf_usb_bInterfaceClass = -1;
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static int hf_usb_bInterfaceSubClass = -1;
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static int hf_usb_bInterfaceSubClass_cdc = -1;
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static int hf_usb_bInterfaceSubClass_hid = -1;
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static int hf_usb_bInterfaceProtocol = -1;
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static int hf_usb_bInterfaceProtocol_cdc = -1;
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static int hf_usb_bInterfaceProtocol_cdc_data = -1;
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static int hf_usb_bInterfaceProtocol_hid_boot = -1;
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static int hf_usb_iInterface = -1;
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static int hf_usb_bEndpointAddress = -1;
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static int hf_usb_bmAttributes = -1;
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static int hf_usb_bEndpointAttributeTransfer = -1;
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static int hf_usb_bEndpointAttributeSynchonisation = -1;
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static int hf_usb_bEndpointAttributeBehaviour = -1;
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static int hf_usb_wMaxPacketSize = -1;
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static int hf_usb_wMaxPacketSize_size = -1;
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static int hf_usb_wMaxPacketSize_slots = -1;
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static int hf_usb_bInterval = -1;
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static int hf_usb_wTotalLength = -1;
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static int hf_usb_bNumInterfaces = -1;
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static int hf_usb_bConfigurationValue = -1;
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static int hf_usb_iConfiguration = -1;
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static int hf_usb_bMaxPower = -1;
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static int hf_usb_configuration_bmAttributes = -1;
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static int hf_usb_configuration_legacy10buspowered = -1;
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static int hf_usb_configuration_selfpowered = -1;
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static int hf_usb_configuration_remotewakeup = -1;
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static int hf_usb_bEndpointAddress_direction = -1;
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static int hf_usb_bEndpointAddress_number = -1;
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static int hf_usb_response_in = -1;
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static int hf_usb_time = -1;
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static int hf_usb_request_in = -1;
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static int hf_usb_bFirstInterface = -1;
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static int hf_usb_bInterfaceCount = -1;
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static int hf_usb_bFunctionClass = -1;
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static int hf_usb_bFunctionSubClass = -1;
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static int hf_usb_bFunctionProtocol = -1;
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static int hf_usb_iFunction = -1;
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static gint usb_hdr = -1;
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static gint usb_setup_hdr = -1;
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static gint usb_isodesc = -1;
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static gint usb_win32_iso_packet = -1;
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static gint ett_usb_endpoint = -1;
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static gint ett_usb_setup_bmrequesttype = -1;
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static gint ett_usb_usbpcap_info = -1;
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static gint ett_descriptor_device = -1;
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static gint ett_configuration_bmAttributes = -1;
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static gint ett_configuration_bEndpointAddress = -1;
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static gint ett_endpoint_bmAttributes = -1;
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static gint ett_endpoint_wMaxPacketSize = -1;
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static expert_field ei_usb_bLength_even = EI_INIT;
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static expert_field ei_usb_bLength_too_short = EI_INIT;
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static expert_field ei_usb_desc_length_invalid = EI_INIT;
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static const int *usb_endpoint_fields[] = {
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&hf_usb_endpoint_direction,
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&hf_usb_endpoint_number_value,
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NULL
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};
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static const int *usb_usbpcap_info_fields[] = {
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&hf_usb_usbpcap_info_reserved,
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&hf_usb_usbpcap_info_direction,
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NULL
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};
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static int usb_tap = -1;
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static gboolean try_heuristics = TRUE;
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static dissector_handle_t linux_usb_handle;
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static dissector_table_t usb_bulk_dissector_table;
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static dissector_table_t usb_control_dissector_table;
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static dissector_table_t usb_interrupt_dissector_table;
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static dissector_table_t usb_descriptor_dissector_table;
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static heur_dissector_list_t heur_bulk_subdissector_list;
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static heur_dissector_list_t heur_control_subdissector_list;
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static heur_dissector_list_t heur_interrupt_subdissector_list;
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static wmem_tree_t *device_to_protocol_table = NULL;
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static wmem_tree_t *device_to_product_table = NULL;
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static dissector_table_t device_to_dissector;
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static dissector_table_t protocol_to_dissector;
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static dissector_table_t product_to_dissector;
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typedef struct _device_product_data_t {
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guint16 vendor;
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guint16 product;
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guint bus_id;
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guint device_address;
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} device_product_data_t;
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typedef struct _device_protocol_data_t {
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guint32 protocol;
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guint bus_id;
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guint device_address;
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} device_protocol_data_t;
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/* http://www.usb.org/developers/docs/USB_LANGIDs.pdf */
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static const value_string usb_langid_vals[] = {
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{0x0000, "no language specified"},
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{0x0401, "Arabic (Saudi Arabia)"},
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{0x0402, "Bulgarian"},
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{0x0403, "Catalan"},
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{0x0404, "Chinese (Taiwan)"},
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{0x0405, "Czech"},
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{0x0406, "Danish"},
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{0x0407, "German (Standard)"},
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{0x0408, "Greek"},
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{0x0409, "English (United States)"},
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{0x040a, "Spanish (Traditional Sort)"},
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{0x040b, "Finnish"},
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{0x040c, "French (Standard)"},
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{0x040d, "Hebrew"},
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{0x040e, "Hungarian"},
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{0x040f, "Icelandic"},
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{0x0410, "Italian (Standard)"},
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{0x0411, "Japanese"},
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{0x0412, "Korean"},
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{0x0413, "Dutch (Netherlands)"},
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{0x0414, "Norwegian (Bokmal)"},
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{0x0415, "Polish"},
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{0x0416, "Portuguese (Brazil)"},
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{0x0418, "Romanian"},
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{0x0419, "Russian"},
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{0x041a, "Croatian"},
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{0x041b, "Slovak"},
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{0x041c, "Albanian"},
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{0x041d, "Swedish"},
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{0x041e, "Thai"},
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{0x041f, "Turkish"},
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{0x0420, "Urdu (Pakistan)"},
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{0x0421, "Indonesian"},
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{0x0422, "Ukrainian"},
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{0x0423, "Belarussian"},
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{0x0424, "Slovenian"},
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{0x0425, "Estonian"},
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{0x0426, "Latvian"},
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{0x0427, "Lithuanian"},
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{0x0429, "Farsi"},
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{0x042a, "Vietnamese"},
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{0x042b, "Armenian"},
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{0x042c, "Azeri (Latin)"},
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{0x042d, "Basque"},
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{0x042f, "Macedonian"},
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{0x0430, "Sutu"},
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{0x0436, "Afrikaans"},
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{0x0437, "Georgian"},
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{0x0438, "Faeroese"},
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{0x0439, "Hindi"},
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{0x043e, "Malay (Malaysian)"},
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{0x043f, "Kazakh"},
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{0x0441, "Swahili (Kenya)"},
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{0x0443, "Uzbek (Latin)"},
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{0x0444, "Tatar (Tatarstan)"},
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{0x0445, "Bengali"},
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{0x0446, "Punjabi"},
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{0x0447, "Gujarati"},
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{0x0448, "Oriya"},
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{0x0449, "Tamil"},
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{0x044a, "Telugu"},
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{0x044b, "Kannada"},
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{0x044c, "Malayalam"},
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{0x044d, "Assamese"},
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{0x044e, "Marathi"},
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{0x044f, "Sanskrit"},
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{0x0455, "Burmese"},
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{0x0457, "Konkani"},
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{0x0458, "Manipuri"},
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{0x0459, "Sindhi"},
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{0x04ff, "HID (Usage Data Descriptor)"},
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{0x0801, "Arabic (Iraq)"},
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{0x0804, "Chinese (PRC)"},
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{0x0807, "German (Switzerland)"},
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{0x0809, "English (United Kingdom)"},
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{0x080a, "Spanish (Mexican)"},
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{0x080c, "French (Belgian)"},
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{0x0810, "Italian (Switzerland)"},
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{0x0812, "Korean (Johab)"},
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{0x0813, "Dutch (Belgium)"},
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{0x0814, "Norwegian (Nynorsk)"},
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{0x0816, "Portuguese (Standard)"},
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{0x081a, "Serbian (Latin)"},
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{0x081d, "Swedish (Finland)"},
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{0x0820, "Urdu (India)"},
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{0x0827, "Lithuanian (Classic)"},
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{0x082c, "Azeri (Cyrillic)"},
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{0x083e, "Malay (Brunei Darussalam)"},
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{0x0843, "Uzbek (Cyrillic)"},
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{0x0860, "Kashmiri (India)"},
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{0x0861, "Nepali (India)"},
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{0x0c01, "Arabic (Egypt)"},
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{0x0c04, "Chinese (Hong Kong SAR, PRC)"},
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{0x0c07, "German (Austria)"},
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{0x0c09, "English (Australian)"},
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{0x0c0a, "Spanish (Modern Sort)"},
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{0x0c0c, "French (Canadian)"},
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{0x0c1a, "Serbian (Cyrillic)"},
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{0x1001, "Arabic (Libya)"},
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{0x1004, "Chinese (Singapore)"},
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{0x1007, "German (Luxembourg)"},
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{0x1009, "English (Canadian)"},
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{0x100a, "Spanish (Guatemala)"},
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{0x100c, "French (Switzerland)"},
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{0x1401, "Arabic (Algeria)"},
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{0x1404, "Chinese (Macau SAR)"},
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{0x1407, "German (Liechtenstein)"},
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{0x1409, "English (New Zealand)"},
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{0x140a, "Spanish (Costa Rica)"},
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{0x140c, "French (Luxembourg)"},
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{0x1801, "Arabic (Morocco)"},
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{0x1809, "English (Ireland)"},
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{0x180a, "Spanish (Panama)"},
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{0x180c, "French (Monaco)"},
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{0x1c01, "Arabic (Tunisia)"},
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{0x1c09, "English (South Africa)"},
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{0x1c0a, "Spanish (Dominican Republic)"},
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{0x2001, "Arabic (Oman)"},
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{0x2009, "English (Jamaica)"},
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{0x200a, "Spanish (Venezuela)"},
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{0x2401, "Arabic (Yemen)"},
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{0x2409, "English (Caribbean)"},
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{0x240a, "Spanish (Colombia)"},
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{0x2801, "Arabic (Syria)"},
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{0x2809, "English (Belize)"},
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{0x280a, "Spanish (Peru)"},
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{0x2c01, "Arabic (Jordan)"},
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{0x2c09, "English (Trinidad)"},
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{0x2c0a, "Spanish (Argentina)"},
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{0x3001, "Arabic (Lebanon)"},
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{0x3009, "English (Zimbabwe)"},
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{0x300a, "Spanish (Ecuador)"},
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{0x3401, "Arabic (Kuwait)"},
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{0x3409, "English (Philippines)"},
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{0x340a, "Spanish (Chile)"},
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{0x3801, "Arabic (U.A.E.)"},
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{0x380a, "Spanish (Uruguay)"},
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{0x3c01, "Arabic (Bahrain)"},
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{0x3c0a, "Spanish (Paraguay)"},
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{0x4001, "Arabic (Qatar)"},
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{0x400a, "Spanish (Bolivia)"},
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{0x440a, "Spanish (El Salvador)"},
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{0x480a, "Spanish (Honduras)"},
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{0x4c0a, "Spanish (Nicaragua)"},
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{0x500a, "Spanish (Puerto Rico)"},
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{0xf0ff, "HID (Vendor Defined 1)"},
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{0xf4ff, "HID (Vendor Defined 2)"},
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{0xf8ff, "HID (Vendor Defined 3)"},
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{0xfcff, "HID (Vendor Defined 4)"},
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{0, NULL}
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};
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value_string_ext usb_langid_vals_ext = VALUE_STRING_EXT_INIT(usb_langid_vals);
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static const value_string usb_class_vals[] = {
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{IF_CLASS_DEVICE, "Device"},
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{IF_CLASS_AUDIO, "Audio"},
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{IF_CLASS_COMMUNICATIONS, "Communications and CDC Control"},
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{IF_CLASS_HID, "HID"},
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{IF_CLASS_PHYSICAL, "Physical"},
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{IF_CLASS_IMAGE, "Imaging"},
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{IF_CLASS_PRINTER, "Printer"},
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{IF_CLASS_MASS_STORAGE, "Mass Storage"},
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{IF_CLASS_HUB, "Hub"},
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{IF_CLASS_CDC_DATA, "CDC-Data"},
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{IF_CLASS_SMART_CARD, "Smart Card"},
|
|
{IF_CLASS_CONTENT_SECURITY, "Content Security"},
|
|
{IF_CLASS_VIDEO, "Video"},
|
|
{IF_CLASS_PERSONAL_HEALTHCARE, "Personal Healthcare"},
|
|
{IF_CLASS_AUDIO_VIDEO, "Audio/Video Devices"},
|
|
{IF_CLASS_DIAGNOSTIC_DEVICE, "Diagnostic Device"},
|
|
{IF_CLASS_WIRELESS_CONTROLLER, "Wireless Controller"},
|
|
{IF_CLASS_MISCELLANEOUS, "Miscellaneous"},
|
|
{IF_CLASS_APPLICATION_SPECIFIC, "Application Specific"},
|
|
{IF_CLASS_VENDOR_SPECIFIC, "Vendor Specific"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext usb_class_vals_ext = VALUE_STRING_EXT_INIT(usb_class_vals);
|
|
|
|
/* use usb class, subclass and protocol id together
|
|
http://www.usb.org/developers/defined_class
|
|
USB Class Definitions for Communications Devices, Revision 1.2 December 6, 2012
|
|
*/
|
|
static const value_string usb_protocols[] = {
|
|
{0x000000, "Use class code info from Interface Descriptors"},
|
|
{0x060101, "Still Imaging"},
|
|
{0x090000, "Full speed Hub"},
|
|
{0x090001, "Hi-speed hub with single TT"},
|
|
{0x090002, "Hi-speed hub with multiple TTs"},
|
|
{0x0D0000, "Content Security"},
|
|
{0x100100, "AVControl Interface"},
|
|
{0x100200, "AVData Video Streaming Interface"},
|
|
{0x100300, "AVData Audio Streaming Interface"},
|
|
{0xDC0101, "USB2 Compliance Device"},
|
|
{0xE00101, "Bluetooth Programming Interface"},
|
|
{0xE00102, "UWB Radio Control Interface"},
|
|
{0xE00103, "Remote NDIS"},
|
|
{0xE00104, "Bluetooth AMP Controller"},
|
|
{0xE00201, "Host Wire Adapter Control/Data interface"},
|
|
{0xE00202, "Device Wire Adapter Control/Data interface"},
|
|
{0xE00203, "Device Wire Adapter Isochronous interface"},
|
|
{0xEF0101, "Active Sync device"},
|
|
{0xEF0102, "Palm Sync"},
|
|
{0xEF0201, "Interface Association Descriptor"},
|
|
{0xEF0202, "Wire Adapter Multifunction Peripheral programming interface"},
|
|
{0xEF0301, "Cable Based Association Framework"},
|
|
{0xFE0101, "Device Firmware Upgrade"},
|
|
{0xFE0200, "IRDA Bridge device"},
|
|
{0xFE0300, "USB Test and Measurement Device"},
|
|
{0xFE0301, "USB Test and Measurement Device conforming to the USBTMC USB488"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext usb_protocols_ext = VALUE_STRING_EXT_INIT(usb_protocols);
|
|
|
|
static const value_string usb_transfer_type_vals[] = {
|
|
{URB_CONTROL, "URB_CONTROL"},
|
|
{URB_ISOCHRONOUS, "URB_ISOCHRONOUS"},
|
|
{URB_INTERRUPT, "URB_INTERRUPT"},
|
|
{URB_BULK, "URB_BULK"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string usb_transfer_type_and_direction_vals[] = {
|
|
{URB_CONTROL, "URB_CONTROL out"},
|
|
{URB_ISOCHRONOUS, "URB_ISOCHRONOUS out"},
|
|
{URB_INTERRUPT, "URB_INTERRUPT out"},
|
|
{URB_BULK, "URB_BULK out"},
|
|
{URB_CONTROL | URB_TRANSFER_IN, "URB_CONTROL in"},
|
|
{URB_ISOCHRONOUS | URB_TRANSFER_IN, "URB_ISOCHRONOUS in"},
|
|
{URB_INTERRUPT | URB_TRANSFER_IN, "URB_INTERRUPT in"},
|
|
{URB_BULK | URB_TRANSFER_IN, "URB_BULK in"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string usb_endpoint_direction_vals[] = {
|
|
{0, "OUT"},
|
|
{1, "IN"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string usb_urb_type_vals[] = {
|
|
{URB_SUBMIT, "URB_SUBMIT"},
|
|
{URB_COMPLETE, "URB_COMPLETE"},
|
|
{URB_ERROR, "URB_ERROR"},
|
|
{0, NULL}
|
|
};
|
|
|
|
extern value_string_ext ext_usb_vendors_vals;
|
|
extern value_string_ext ext_usb_products_vals;
|
|
extern value_string_ext ext_usb_com_subclass_vals;
|
|
|
|
/*
|
|
* Standard descriptor types.
|
|
*
|
|
* all class specific descriptor types were removed from this list
|
|
* a descriptor type is not globally unique
|
|
* dissectors for the USB classes should provide their own value string
|
|
* and pass it to dissect_usb_descriptor_header()
|
|
*
|
|
*/
|
|
#define USB_DT_DEVICE 1
|
|
#define USB_DT_CONFIG 2
|
|
#define USB_DT_STRING 3
|
|
#define USB_DT_INTERFACE 4
|
|
#define USB_DT_ENDPOINT 5
|
|
#define USB_DT_DEVICE_QUALIFIER 6
|
|
#define USB_DT_OTHER_SPEED_CONFIG 7
|
|
#define USB_DT_INTERFACE_POWER 8
|
|
/* these are from a minor usb 2.0 revision (ECN) */
|
|
#define USB_DT_OTG 9
|
|
#define USB_DT_DEBUG 10
|
|
#define USB_DT_INTERFACE_ASSOCIATION 11
|
|
/* XXX - move into HID dissector */
|
|
#define USB_DT_RPIPE 34
|
|
|
|
static const value_string std_descriptor_type_vals[] = {
|
|
{USB_DT_DEVICE, "DEVICE"},
|
|
{USB_DT_CONFIG, "CONFIGURATION"},
|
|
{USB_DT_STRING, "STRING"},
|
|
{USB_DT_INTERFACE, "INTERFACE"},
|
|
{USB_DT_ENDPOINT, "ENDPOINT"},
|
|
{USB_DT_DEVICE_QUALIFIER, "DEVICE QUALIFIER"},
|
|
{USB_DT_OTHER_SPEED_CONFIG, "OTHER_SPEED CONFIG"},
|
|
{USB_DT_INTERFACE_POWER, "INTERFACE POWER"},
|
|
{USB_DT_OTG, "OTG"},
|
|
{USB_DT_DEBUG, "DEBUG"},
|
|
{USB_DT_INTERFACE_ASSOCIATION, "INTERFACE ASSOCIATION"},
|
|
{0,NULL}
|
|
};
|
|
static value_string_ext std_descriptor_type_vals_ext =
|
|
VALUE_STRING_EXT_INIT(std_descriptor_type_vals);
|
|
|
|
/*
|
|
* Feature selectors.
|
|
*/
|
|
#define USB_FS_ENDPOINT_HALT 0
|
|
#define USB_FS_DEVICE_REMOTE_WAKEUP 1
|
|
#define USB_FS_TEST_MODE 2
|
|
|
|
static const value_string usb_feature_selector_vals[] = {
|
|
{USB_FS_ENDPOINT_HALT, "ENDPOINT HALT"},
|
|
{USB_FS_DEVICE_REMOTE_WAKEUP, "DEVICE REMOTE WAKEUP"},
|
|
{USB_FS_TEST_MODE, "TEST MODE"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string usb_bmAttributes_transfer_vals[] = {
|
|
{0x00, "Control-Transfer"},
|
|
{0x01, "Isochronous-Transfer"},
|
|
{0x02, "Bulk-Transfer"},
|
|
{0x03, "Interrupt-Transfer"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string usb_bmAttributes_sync_vals[] = {
|
|
{0x00, "No Sync"},
|
|
{0x01, "Asynchronous"},
|
|
{0x02, "Adaptive"},
|
|
{0x03, "Synchronous"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string usb_bmAttributes_behaviour_vals[] = {
|
|
{0x00, "Data-Endpoint"},
|
|
{0x01, "Explicit Feedback-Endpoint"},
|
|
{0x02, "Implicit Feedback-Data-Endpoint"},
|
|
{0x03, "Reserved"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string usb_wMaxPacketSize_slots_vals[] = {
|
|
{0x00, "1"},
|
|
{0x01, "2"},
|
|
{0x02, "3"},
|
|
{0x03, "Reserved"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* from linux/include/asm-generic/errno.h */
|
|
#define EPERM 1 /* Operation not permitted */
|
|
#define ENOENT 2 /* No such file or directory */
|
|
#define ESRCH 3 /* No such process */
|
|
#define EINTR 4 /* Interrupted system call */
|
|
#define EIO 5 /* I/O error */
|
|
#define ENXIO 6 /* No such device or address */
|
|
#define E2BIG 7 /* Argument list too long */
|
|
#define ENOEXEC 8 /* Exec format error */
|
|
#define EBADF 9 /* Bad file number */
|
|
#define ECHILD 10 /* No child processes */
|
|
#define EAGAIN 11 /* Try again */
|
|
#define ENOMEM 12 /* Out of memory */
|
|
#define EACCES 13 /* Permission denied */
|
|
#define EFAULT 14 /* Bad address */
|
|
#define ENOTBLK 15 /* Block device required */
|
|
#define EBUSY 16 /* Device or resource busy */
|
|
#define EEXIST 17 /* File exists */
|
|
#define EXDEV 18 /* Cross-device link */
|
|
#define ENODEV 19 /* No such device */
|
|
#define ENOTDIR 20 /* Not a directory */
|
|
#define EISDIR 21 /* Is a directory */
|
|
#define EINVAL 22 /* Invalid argument */
|
|
#define ENFILE 23 /* File table overflow */
|
|
#define EMFILE 24 /* Too many open files */
|
|
#define ENOTTY 25 /* Not a typewriter */
|
|
#define ETXTBSY 26 /* Text file busy */
|
|
#define EFBIG 27 /* File too large */
|
|
#define ENOSPC 28 /* No space left on device */
|
|
#define ESPIPE 29 /* Illegal seek */
|
|
#define EROFS 30 /* Read-only file system */
|
|
#define EMLINK 31 /* Too many links */
|
|
#define EPIPE 32 /* Broken pipe */
|
|
#define EDOM 33 /* Math argument out of domain of func */
|
|
#define ERANGE 34 /* Math result not representable */
|
|
|
|
|
|
/* from linux/include/asm-generic/errno.h*/
|
|
#define EDEADLK 35 /* Resource deadlock would occur */
|
|
#define ENAMETOOLONG 36 /* File name too long */
|
|
#define ENOLCK 37 /* No record locks available */
|
|
#define ENOSYS 38 /* Function not implemented */
|
|
#define ENOTEMPTY 39 /* Directory not empty */
|
|
#define ELOOP 40 /* Too many symbolic links encountered */
|
|
#define EWOULDBLOCK EAGAIN /* Operation would block */
|
|
#define ENOMSG 42 /* No message of desired type */
|
|
#define EIDRM 43 /* Identifier removed */
|
|
#define ECHRNG 44 /* Channel number out of range */
|
|
#define EL2NSYNC 45 /* Level 2 not synchronized */
|
|
#define EL3HLT 46 /* Level 3 halted */
|
|
#define EL3RST 47 /* Level 3 reset */
|
|
#define ELNRNG 48 /* Link number out of range */
|
|
#define EUNATCH 49 /* Protocol driver not attached */
|
|
#define ENOCSI 50 /* No CSI structure available */
|
|
#define EL2HLT 51 /* Level 2 halted */
|
|
#define EBADE 52 /* Invalid exchange */
|
|
#define EBADR 53 /* Invalid request descriptor */
|
|
#define EXFULL 54 /* Exchange full */
|
|
#define ENOANO 55 /* No anode */
|
|
#define EBADRQC 56 /* Invalid request code */
|
|
#define EBADSLT 57 /* Invalid slot */
|
|
|
|
#define EDEADLOCK EDEADLK
|
|
|
|
#define EBFONT 59 /* Bad font file format */
|
|
#define ENOSTR 60 /* Device not a stream */
|
|
#define ENODATA 61 /* No data available */
|
|
#define ETIME 62 /* Timer expired */
|
|
#define ENOSR 63 /* Out of streams resources */
|
|
#define ENONET 64 /* Machine is not on the network */
|
|
#define ENOPKG 65 /* Package not installed */
|
|
#define EREMOTE 66 /* Object is remote */
|
|
#define ENOLINK 67 /* Link has been severed */
|
|
#define EADV 68 /* Advertise error */
|
|
#define ESRMNT 69 /* Srmount error */
|
|
#define ECOMM 70 /* Communication error on send */
|
|
#define EPROTO 71 /* Protocol error */
|
|
#define EMULTIHOP 72 /* Multihop attempted */
|
|
#define EDOTDOT 73 /* RFS specific error */
|
|
#define EBADMSG 74 /* Not a data message */
|
|
#define EOVERFLOW 75 /* Value too large for defined data type */
|
|
#define ENOTUNIQ 76 /* Name not unique on network */
|
|
#define EBADFD 77 /* File descriptor in bad state */
|
|
#define EREMCHG 78 /* Remote address changed */
|
|
#define ELIBACC 79 /* Can not access a needed shared library */
|
|
#define ELIBBAD 80 /* Accessing a corrupted shared library */
|
|
#define ELIBSCN 81 /* .lib section in a.out corrupted */
|
|
#define ELIBMAX 82 /* Attempting to link in too many shared libraries */
|
|
#define ELIBEXEC 83 /* Cannot exec a shared library directly */
|
|
#define EILSEQ 84 /* Illegal byte sequence */
|
|
#define ERESTART 85 /* Interrupted system call should be restarted */
|
|
#define ESTRPIPE 86 /* Streams pipe error */
|
|
#define EUSERS 87 /* Too many users */
|
|
#define ENOTSOCK 88 /* Socket operation on non-socket */
|
|
#define EDESTADDRREQ 89 /* Destination address required */
|
|
#define EMSGSIZE 90 /* Message too long */
|
|
#define EPROTOTYPE 91 /* Protocol wrong type for socket */
|
|
#define ENOPROTOOPT 92 /* Protocol not available */
|
|
#define EPROTONOSUPPORT 93 /* Protocol not supported */
|
|
#define ESOCKTNOSUPPORT 94 /* Socket type not supported */
|
|
#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */
|
|
#define EPFNOSUPPORT 96 /* Protocol family not supported */
|
|
#define EAFNOSUPPORT 97 /* Address family not supported by protocol */
|
|
#define EADDRINUSE 98 /* Address already in use */
|
|
#define EADDRNOTAVAIL 99 /* Cannot assign requested address */
|
|
#define ENETDOWN 100 /* Network is down */
|
|
#define ENETUNREACH 101 /* Network is unreachable */
|
|
#define ENETRESET 102 /* Network dropped connection because of reset */
|
|
#define ECONNABORTED 103 /* Software caused connection abort */
|
|
#define ECONNRESET 104 /* Connection reset by peer */
|
|
#define ENOBUFS 105 /* No buffer space available */
|
|
#define EISCONN 106 /* Transport endpoint is already connected */
|
|
#define ENOTCONN 107 /* Transport endpoint is not connected */
|
|
#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */
|
|
#define ETOOMANYREFS 109 /* Too many references: cannot splice */
|
|
#define ETIMEDOUT 110 /* Connection timed out */
|
|
#define ECONNREFUSED 111 /* Connection refused */
|
|
#define EHOSTDOWN 112 /* Host is down */
|
|
#define EHOSTUNREACH 113 /* No route to host */
|
|
#define EALREADY 114 /* Operation already in progress */
|
|
#define EINPROGRESS 115 /* Operation now in progress */
|
|
#define ESTALE 116 /* Stale NFS file handle */
|
|
#define EUCLEAN 117 /* Structure needs cleaning */
|
|
#define ENOTNAM 118 /* Not a XENIX named type file */
|
|
#define ENAVAIL 119 /* No XENIX semaphores available */
|
|
#define EISNAM 120 /* Is a named type file */
|
|
#define EREMOTEIO 121 /* Remote I/O error */
|
|
#define EDQUOT 122 /* Quota exceeded */
|
|
|
|
#define ENOMEDIUM 123 /* No medium found */
|
|
#define EMEDIUMTYPE 124 /* Wrong medium type */
|
|
#define ECANCELED 125 /* Operation Canceled */
|
|
#define ENOKEY 126 /* Required key not available */
|
|
#define EKEYEXPIRED 127 /* Key has expired */
|
|
#define EKEYREVOKED 128 /* Key has been revoked */
|
|
#define EKEYREJECTED 129 /* Key was rejected by service */
|
|
|
|
/* for robust mutexes */
|
|
#define EOWNERDEAD 130 /* Owner died */
|
|
#define ENOTRECOVERABLE 131 /* State not recoverable */
|
|
|
|
|
|
/* Note: sorted in (unsigned) ascending order */
|
|
static const value_string usb_urb_status_vals[] = {
|
|
{ -ENOTRECOVERABLE, "State not recoverable (-ENOTRECOVERABLE)" },
|
|
{ -EOWNERDEAD, "Owner died (-EOWNERDEAD)" },
|
|
{ -EKEYREJECTED, "Key was rejected by service (-EKEYREJECTED)" },
|
|
{ -EKEYREVOKED, "Key has been revoked (-EKEYREVOKED)" },
|
|
{ -EKEYEXPIRED, "Key has expired (-EKEYEXPIRED)" },
|
|
{ -ENOKEY, "Required key not available (-ENOKEY)" },
|
|
{ -ECANCELED, "Operation Canceled (-ECANCELED)" },
|
|
{ -EMEDIUMTYPE, "Wrong medium type (-EMEDIUMTYPE)" },
|
|
{ -ENOMEDIUM, "No medium found (-ENOMEDIUM)" },
|
|
{ -EDQUOT, "Quota exceeded (-EDQUOT)" },
|
|
{ -EREMOTEIO, "Remote I/O error (-EREMOTEIO)" },
|
|
{ -EISNAM, "Is a named type file (-EISNAM)" },
|
|
{ -ENAVAIL, "No XENIX semaphores available (-ENAVAIL)" },
|
|
{ -ENOTNAM, "Not a XENIX named type file (-ENOTNAM)" },
|
|
{ -EUCLEAN, "Structure needs cleaning (-EUCLEAN)" },
|
|
{ -ESTALE, "Stale NFS file handle (-ESTALE)" },
|
|
{ -EINPROGRESS, "Operation now in progress (-EINPROGRESS)" },
|
|
{ -EALREADY, "Operation already in progress (-EALREADY)" },
|
|
{ -EHOSTUNREACH, "No route to host (-EHOSTUNREACH)" },
|
|
{ -EHOSTDOWN, "Host is down (-EHOSTDOWN)" },
|
|
{ -ECONNREFUSED, "Connection refused (-ECONNREFUSED)" },
|
|
{ -ETIMEDOUT, "Connection timed out (-ETIMEDOUT)" },
|
|
{ -ETOOMANYREFS, "Too many references: cannot splice (-ETOOMANYREFS)" },
|
|
{ -ESHUTDOWN, "Cannot send after transport endpoint shutdown (-ESHUTDOWN)" },
|
|
{ -ENOTCONN, "Transport endpoint is not connected (-ENOTCONN)" },
|
|
{ -EISCONN, "Transport endpoint is already connected (-EISCONN)" },
|
|
{ -ENOBUFS, "No buffer space available (-ENOBUFS)" },
|
|
{ -ECONNRESET, "Connection reset by peer (-ECONNRESET)" },
|
|
{ -ECONNABORTED, "Software caused connection abort (-ECONNABORTED)" },
|
|
{ -ENETRESET, "Network dropped connection because of reset (-ENETRESET)" },
|
|
{ -ENETUNREACH, "Network is unreachable (-ENETUNREACH)" },
|
|
{ -ENETDOWN, "Network is down (-ENETDOWN)" },
|
|
{ -EADDRNOTAVAIL, "Cannot assign requested address (-EADDRNOTAVAIL)" },
|
|
{ -EADDRINUSE, "Address already in use (-EADDRINUSE)" },
|
|
{ -EAFNOSUPPORT, "Address family not supported by protocol (-EAFNOSUPPORT)" },
|
|
{ -EPFNOSUPPORT, "Protocol family not supported (-EPFNOSUPPORT)" },
|
|
{ -EOPNOTSUPP, "Operation not supported on transport endpoint (-EOPNOTSUPP)" },
|
|
{ -ESOCKTNOSUPPORT, "Socket type not supported (-ESOCKTNOSUPPORT)" },
|
|
{ -EPROTONOSUPPORT, "Protocol not supported (-EPROTONOSUPPORT)" },
|
|
{ -ENOPROTOOPT, "Protocol not available (-ENOPROTOOPT)" },
|
|
{ -EPROTOTYPE, "Protocol wrong type for socket (-EPROTOTYPE)" },
|
|
{ -EMSGSIZE, "Message too long (-EMSGSIZE)" },
|
|
{ -EDESTADDRREQ, "Destination address required (-EDESTADDRREQ)" },
|
|
{ -ENOTSOCK, "Socket operation on non-socket (-ENOTSOCK)" },
|
|
{ -EUSERS, "Too many users (-EUSERS)" },
|
|
{ -ESTRPIPE, "Streams pipe error (-ESTRPIPE)" },
|
|
{ -ERESTART, "Interrupted system call should be restarted (-ERESTART)" },
|
|
{ -EILSEQ, "Illegal byte sequence (-EILSEQ)" },
|
|
{ -ELIBEXEC, "Cannot exec a shared library directly (-ELIBEXEC)" },
|
|
{ -ELIBMAX, "Attempting to link in too many shared libraries (-ELIBMAX)" },
|
|
{ -ELIBSCN, ".lib section in a.out corrupted (-ELIBSCN)" },
|
|
{ -ELIBBAD, "Accessing a corrupted shared library (-ELIBBAD)" },
|
|
{ -ELIBACC, "Can not access a needed shared library (-ELIBACC)" },
|
|
{ -EREMCHG, "Remote address changed (-EREMCHG)" },
|
|
{ -EBADFD, "File descriptor in bad state (-EBADFD)" },
|
|
{ -ENOTUNIQ, "Name not unique on network (-ENOTUNIQ)" },
|
|
{ -EOVERFLOW, "Value too large for defined data type (-EOVERFLOW)" },
|
|
{ -EBADMSG, "Not a data message (-EBADMSG)" },
|
|
{ -EDOTDOT, "RFS specific error (-EDOTDOT)" },
|
|
{ -EMULTIHOP, "Multihop attempted (-EMULTIHOP)" },
|
|
{ -EPROTO, "Protocol error (-EPROTO)" },
|
|
{ -ECOMM, "Communication error on send (-ECOMM)" },
|
|
{ -ESRMNT, "Srmount error (-ESRMNT)" },
|
|
{ -EADV, "Advertise error (-EADV)" },
|
|
{ -ENOLINK, "Link has been severed (-ENOLINK)" },
|
|
{ -EREMOTE, "Object is remote (-EREMOTE)" },
|
|
{ -ENOPKG, "Package not installed (-ENOPKG)" },
|
|
{ -ENONET, "Machine is not on the network (-ENONET)" },
|
|
{ -ENOSR, "Out of streams resources (-ENOSR)" },
|
|
{ -ETIME, "Timer expired (-ETIME)" },
|
|
{ -ENODATA, "No data available (-ENODATA)" },
|
|
{ -ENOSTR, "Device not a stream (-ENOSTR)" },
|
|
{ -EBFONT, "Bad font file format (-EBFONT)" },
|
|
{ -58, "(-58 \?\?\?)" }, /* dummy so that there are no "gaps" */
|
|
{ -EBADSLT, "Invalid slot (-EBADSLT)" },
|
|
{ -EBADRQC, "Invalid request code (-EBADRQC)" },
|
|
{ -ENOANO, "No anode (-ENOANO)" },
|
|
{ -EXFULL, "Exchange full (-EXFULL)" },
|
|
{ -EBADR, "Invalid request descriptor (-EBADR)" },
|
|
{ -EBADE, "Invalid exchange (-EBADE)" },
|
|
{ -EL2HLT, "Level 2 halted (-EL2HLT)" },
|
|
{ -ENOCSI, "No CSI structure available (-ENOCSI)" },
|
|
{ -EUNATCH, "Protocol driver not attached (-EUNATCH)" },
|
|
{ -ELNRNG, "Link number out of range (-ELNRNG)" },
|
|
{ -EL3RST, "Level 3 reset (-EL3RST)" },
|
|
{ -EL3HLT, "Level 3 halted (-EL3HLT)" },
|
|
{ -EL2NSYNC, "Level 2 not synchronized (-EL2NSYNC)" },
|
|
{ -ECHRNG, "Channel number out of range (-ECHRNG)" },
|
|
{ -EIDRM, "Identifier removed (-EIDRM)" },
|
|
{ -ENOMSG, "No message of desired type (-ENOMSG)" },
|
|
{ -41, "(-41 \?\?\?)" }, /* dummy so that there are no "gaps" */
|
|
{ -ELOOP, "Too many symbolic links encountered (-ELOOP)" },
|
|
{ -ENOTEMPTY, "Directory not empty (-ENOTEMPTY)" },
|
|
{ -ENOSYS, "Function not implemented (-ENOSYS)" },
|
|
{ -ENOLCK, "No record locks available (-ENOLCK)" },
|
|
{ -ENAMETOOLONG, "File name too long (-ENAMETOOLONG)" },
|
|
{ -EDEADLK, "Resource deadlock would occur (-EDEADLK)" },
|
|
{ -ERANGE, "Math result not representable (-ERANGE)" },
|
|
{ -EDOM, "Math argument out of domain of func (-EDOM)" },
|
|
{ -EPIPE, "Broken pipe (-EPIPE)" },
|
|
{ -EMLINK, "Too many links (-EMLINK)" },
|
|
{ -EROFS, "Read-only file system (-EROFS)" },
|
|
{ -ESPIPE, "Illegal seek (-ESPIPE)" },
|
|
{ -ENOSPC, "No space left on device (-ENOSPC)" },
|
|
{ -EFBIG, "File too large (-EFBIG)" },
|
|
{ -ETXTBSY, "Text file busy (-ETXTBSY)" },
|
|
{ -ENOTTY, "Not a typewriter (-ENOTTY)" },
|
|
{ -EMFILE, "Too many open files (-EMFILE)" },
|
|
{ -ENFILE, "File table overflow (-ENFILE)" },
|
|
{ -EINVAL, "Invalid argument (-EINVAL)" },
|
|
{ -EISDIR, "Is a directory (-EISDIR)" },
|
|
{ -ENOTDIR, "Not a directory (-ENOTDIR)" },
|
|
{ -ENODEV, "No such device (-ENODEV)" },
|
|
{ -EXDEV, "Cross-device link (-EXDEV)" },
|
|
{ -EEXIST, "File exists (-EEXIST)" },
|
|
{ -EBUSY, "Device or resource busy (-EBUSY)" },
|
|
{ -ENOTBLK, "Block device required (-ENOTBLK)" },
|
|
{ -EFAULT, "Bad address (-EFAULT)" },
|
|
{ -EACCES, "Permission denied (-EACCES)" },
|
|
{ -ENOMEM, "Out of memory (-ENOMEM)" },
|
|
{ -EAGAIN, "Try again (-EAGAIN)" },
|
|
{ -ECHILD, "No child processes (-ECHILD)" },
|
|
{ -EBADF, "Bad file number (-EBADF)" },
|
|
{ -ENOEXEC, "Exec format error (-ENOEXEC)" },
|
|
{ -E2BIG, "Argument list too long (-E2BIG)" },
|
|
{ -ENXIO, "No such device or address (-ENXIO)" },
|
|
{ -EIO, "I/O error (-EIO)" },
|
|
{ -EINTR, "Interrupted system call (-EINTR)" },
|
|
{ -ESRCH, "No such process (-ESRCH)" },
|
|
{ -ENOENT, "No such file or directory (-ENOENT)" },
|
|
{ -EPERM, "Operation not permitted (-EPERM)" },
|
|
{ 0, "Success"},
|
|
{ 0, NULL }
|
|
};
|
|
static value_string_ext usb_urb_status_vals_ext = VALUE_STRING_EXT_INIT(usb_urb_status_vals);
|
|
|
|
#define USB_CONTROL_STAGE_SETUP 0x00
|
|
#define USB_CONTROL_STAGE_DATA 0x01
|
|
#define USB_CONTROL_STAGE_STATUS 0x02
|
|
|
|
static const value_string usb_control_stage_vals[] = {
|
|
{USB_CONTROL_STAGE_SETUP, "Setup"},
|
|
{USB_CONTROL_STAGE_DATA, "Data"},
|
|
{USB_CONTROL_STAGE_STATUS, "Status"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string win32_urb_function_vals[] = {
|
|
{0x0000, "URB_FUNCTION_SELECT_CONFIGURATION"},
|
|
{0x0001, "URB_FUNCTION_SELECT_INTERFACE"},
|
|
{0x0002, "URB_FUNCTION_ABORT_PIPE"},
|
|
{0x0003, "URB_FUNCTION_TAKE_FRAME_LENGTH_CONTROL"},
|
|
{0x0004, "URB_FUNCTION_RELEASE_FRAME_LENGTH_CONTROL"},
|
|
{0x0005, "URB_FUNCTION_GET_FRAME_LENGTH"},
|
|
{0x0006, "URB_FUNCTION_SET_FRAME_LENGTH"},
|
|
{0x0007, "URB_FUNCTION_GET_CURRENT_FRAME_NUMBER"},
|
|
{0x0008, "URB_FUNCTION_CONTROL_TRANSFER"},
|
|
{0x0009, "URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER"},
|
|
{0x000A, "URB_FUNCTION_ISOCH_TRANSFER"},
|
|
{0x000B, "URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE"},
|
|
{0x000C, "URB_FUNCTION_SET_DESCRIPTOR_TO_DEVICE"},
|
|
{0x000D, "URB_FUNCTION_SET_FEATURE_TO_DEVICE"},
|
|
{0x000E, "URB_FUNCTION_SET_FEATURE_TO_INTERFACE"},
|
|
{0x000F, "URB_FUNCTION_SET_FEATURE_TO_ENDPOINT"},
|
|
{0x0010, "URB_FUNCTION_CLEAR_FEATURE_TO_DEVICE"},
|
|
{0x0011, "URB_FUNCTION_CLEAR_FEATURE_TO_INTERFACE"},
|
|
{0x0012, "URB_FUNCTION_CLEAR_FEATURE_TO_ENDPOINT"},
|
|
{0x0013, "URB_FUNCTION_GET_STATUS_FROM_DEVICE"},
|
|
{0x0014, "URB_FUNCTION_GET_STATUS_FROM_INTERFACE"},
|
|
{0x0015, "URB_FUNCTION_GET_STATUS_FROM_ENDPOINT"},
|
|
{0x0016, "URB_FUNCTION_RESERVED_0X0016"},
|
|
{0x0017, "URB_FUNCTION_VENDOR_DEVICE"},
|
|
{0x0018, "URB_FUNCTION_VENDOR_INTERFACE"},
|
|
{0x0019, "URB_FUNCTION_VENDOR_ENDPOINT"},
|
|
{0x001A, "URB_FUNCTION_CLASS_DEVICE"},
|
|
{0x001B, "URB_FUNCTION_CLASS_INTERFACE"},
|
|
{0x001C, "URB_FUNCTION_CLASS_ENDPOINT"},
|
|
{0x001D, "URB_FUNCTION_RESERVE_0X001D"},
|
|
{0x001E, "URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL"},
|
|
{0x001F, "URB_FUNCTION_CLASS_OTHER"},
|
|
{0x0020, "URB_FUNCTION_VENDOR_OTHER"},
|
|
{0x0021, "URB_FUNCTION_GET_STATUS_FROM_OTHER"},
|
|
{0x0022, "URB_FUNCTION_CLEAR_FEATURE_TO_OTHER"},
|
|
{0x0023, "URB_FUNCTION_SET_FEATURE_TO_OTHER"},
|
|
{0x0024, "URB_FUNCTION_GET_DESCRIPTOR_FROM_ENDPOINT"},
|
|
{0x0025, "URB_FUNCTION_SET_DESCRIPTOR_TO_ENDPOINT"},
|
|
{0x0026, "URB_FUNCTION_GET_CONFIGURATION"},
|
|
{0x0027, "URB_FUNCTION_GET_INTERFACE"},
|
|
{0x0028, "URB_FUNCTION_GET_DESCRIPTOR_FROM_INTERFACE"},
|
|
{0x0029, "URB_FUNCTION_SET_DESCRIPTOR_TO_INTERFACE"},
|
|
{0x002A, "URB_FUNCTION_GET_MS_FEATURE_DESCRIPTOR"},
|
|
{0x002B, "URB_FUNCTION_RESERVE_0X002B"},
|
|
{0x002C, "URB_FUNCTION_RESERVE_0X002C"},
|
|
{0x002D, "URB_FUNCTION_RESERVE_0X002D"},
|
|
{0x002E, "URB_FUNCTION_RESERVE_0X002E"},
|
|
{0x002F, "URB_FUNCTION_RESERVE_0X002F"},
|
|
{0x0030, "URB_FUNCTION_SYNC_RESET_PIPE"},
|
|
{0x0031, "URB_FUNCTION_SYNC_CLEAR_STALL"},
|
|
{0x0032, "URB_FUNCTION_CONTROL_TRANSFER_EX"},
|
|
{0x0033, "URB_FUNCTION_RESERVE_0X0033"},
|
|
{0x0034, "URB_FUNCTION_RESERVE_0X0034"},
|
|
{0, NULL}
|
|
};
|
|
value_string_ext win32_urb_function_vals_ext = VALUE_STRING_EXT_INIT(win32_urb_function_vals);
|
|
|
|
static const value_string win32_usbd_status_vals[] = {
|
|
{0x00000000, "USBD_STATUS_SUCCESS"},
|
|
{0x40000000, "USBD_STATUS_PENDING"},
|
|
|
|
{0x80000200, "USBD_STATUS_INVALID_URB_FUNCTION"},
|
|
{0x80000300, "USBD_STATUS_INVALID_PARAMETER"},
|
|
{0x80000400, "USBD_STATUS_ERROR_BUSY"},
|
|
{0x80000600, "USBD_STATUS_INVALID_PIPE_HANDLE"},
|
|
{0x80000700, "USBD_STATUS_NO_BANDWIDTH"},
|
|
{0x80000800, "USBD_STATUS_INTERNAL_HC_ERROR"},
|
|
{0x80000900, "USBD_STATUS_ERROR_SHORT_TRANSFER"},
|
|
|
|
{0xC0000001, "USBD_STATUS_CRC"},
|
|
{0xC0000002, "USBD_STATUS_BTSTUFF"},
|
|
{0xC0000003, "USBD_STATUS_DATA_TOGGLE_MISMATCH"},
|
|
{0xC0000004, "USBD_STATUS_STALL_PID"},
|
|
{0xC0000005, "USBD_STATUS_DEV_NOT_RESPONDING"},
|
|
{0xC0000006, "USBD_STATUS_PID_CHECK_FAILURE"},
|
|
{0xC0000007, "USBD_STATUS_UNEXPECTED_PID"},
|
|
{0xC0000008, "USBD_STATUS_DATA_OVERRUN"},
|
|
{0xC0000009, "USBD_STATUS_DATA_UNDERRUN"},
|
|
{0xC000000A, "USBD_STATUS_RESERVED1"},
|
|
{0xC000000B, "USBD_STATUS_RESERVED2"},
|
|
{0xC000000C, "USBD_STATUS_BUFFER_OVERRUN"},
|
|
{0xC000000D, "USBD_STATUS_BUFFER_UNDERRUN"},
|
|
{0xC000000F, "USBD_STATUS_NOT_ACCESSED"},
|
|
{0xC0000010, "USBD_STATUS_FIFO"},
|
|
{0xC0000011, "USBD_STATUS_XACT_ERROR"},
|
|
{0xC0000012, "USBD_STATUS_BABBLE_DETECTED"},
|
|
{0xC0000013, "USBD_STATUS_DATA_BUFFER_ERROR"},
|
|
{0xC0000030, "USBD_STATUS_ENDPOINT_HALTED"},
|
|
|
|
{0xC0000A00, "USBD_STATUS_BAD_START_FRAME"},
|
|
{0xC0000B00, "USBD_STATUS_ISOCH_REQUEST_FAILED"},
|
|
{0xC0000C00, "USBD_STATUS_FRAME_CONTROL_OWNED"},
|
|
{0xC0000D00, "USBD_STATUS_FRAME_CONTROL_NOT_OWNED"},
|
|
{0xC0000E00, "USBD_STATUS_NOT_SUPPORTED"},
|
|
{0xC0000F00, "USBD_STATUS_INVALID_CONFIGURATION_DESCRIPTOR"},
|
|
{0xC0001000, "USBD_STATUS_INSUFFICIENT_RESOURCES"},
|
|
{0xC0002000, "USBD_STATUS_SET_CONFIG_FAILED"},
|
|
{0xC0003000, "USBD_STATUS_BUFFER_TOO_SMALL"},
|
|
{0xC0004000, "USBD_STATUS_INTERFACE_NOT_FOUND"},
|
|
{0xC0005000, "USBD_STATUS_INVALID_PIPE_FLAGS"},
|
|
{0xC0006000, "USBD_STATUS_TIMEOUT"},
|
|
{0xC0007000, "USBD_STATUS_DEVICE_GONE"},
|
|
{0xC0008000, "USBD_STATUS_STATUS_NOT_MAPPED"},
|
|
{0xC0009000, "USBD_STATUS_HUB_INTERNAL_ERROR"},
|
|
{0xC0010000, "USBD_STATUS_CANCELED"},
|
|
{0xC0020000, "USBD_STATUS_ISO_NOT_ACCESSED_BY_HW"},
|
|
{0xC0030000, "USBD_STATUS_ISO_TD_ERROR"},
|
|
{0xC0040000, "USBD_STATUS_ISO_NA_LATE_USBPORT"},
|
|
{0xC0050000, "USBD_STATUS_ISO_NOT_ACCESSED_LATE"},
|
|
{0xC0100000, "USBD_STATUS_BAD_DESCRIPTOR"},
|
|
{0xC0100001, "USBD_STATUS_BAD_DESCRIPTOR_BLEN"},
|
|
{0xC0100002, "USBD_STATUS_BAD_DESCRIPTOR_TYPE"},
|
|
{0xC0100003, "USBD_STATUS_BAD_INTERFACE_DESCRIPTOR"},
|
|
{0xC0100004, "USBD_STATUS_BAD_ENDPOINT_DESCRIPTOR"},
|
|
{0xC0100005, "USBD_STATUS_BAD_INTERFACE_ASSOC_DESCRIPTOR"},
|
|
{0xC0100006, "USBD_STATUS_BAD_CONFIG_DESC_LENGTH"},
|
|
{0xC0100007, "USBD_STATUS_BAD_NUMBER_OF_INTERFACES"},
|
|
{0xC0100008, "USBD_STATUS_BAD_NUMBER_OF_ENDPOINTS"},
|
|
{0xC0100009, "USBD_STATUS_BAD_ENDPOINT_ADDRESS"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext win32_usbd_status_vals_ext = VALUE_STRING_EXT_INIT(win32_usbd_status_vals);
|
|
|
|
static const value_string win32_usb_info_direction_vals[] = {
|
|
{0, "FDO -> PDO"},
|
|
{1, "PDO -> FDO"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string usb_cdc_protocol_vals[] = {
|
|
{0x00, "No class specific protocol required"},
|
|
{0x01, "AT Commands: V.250 etc"},
|
|
{0x02, "AT Commands defined by PCCA-101"},
|
|
{0x03, "AT Commands defined by PCCA-101 & Annex O"},
|
|
{0x04, "AT Commands defined by GSM 07.07"},
|
|
{0x05, "AT Commands defined by 3GPP 27.007"},
|
|
{0x06, "AT Commands defined by TIA for CDMA"},
|
|
{0x07, "Ethernet Emulation Model"},
|
|
{0xFE, "External Protocol: Commands defined by Command Set Functional Descriptor"},
|
|
{0xFF, "Vendor-specific"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext usb_cdc_protocol_vals_ext = VALUE_STRING_EXT_INIT(usb_cdc_protocol_vals);
|
|
|
|
static const value_string usb_cdc_data_protocol_vals[] = {
|
|
{0x00, "No class specific protocol required"},
|
|
{0x01, "Network Transfer Block"},
|
|
{0x02, "Network Transfer Block (IP + DSS)"},
|
|
{0x30, "Physical interface protocol for ISDN BRI"},
|
|
{0x31, "HDLC"},
|
|
{0x32, "Transparent"},
|
|
{0x50, "Management protocol for Q.921 data link protocol"},
|
|
{0x51, "Data link protocol for Q.931"},
|
|
{0x52, "TEI-multiplexor for Q.921 data link protocol"},
|
|
{0x90, "Data compression procedures"},
|
|
{0x91, "Euro-ISDN protocol control"},
|
|
{0x92, "V.24 rate adaptation to ISDN"},
|
|
{0x93, "CAPI Commands"},
|
|
{0xFE, "The protocol(s) are described using a Protocol Unit Functional Descriptors on Communications Class Interface"},
|
|
{0xFF, "Vendor-specific"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext usb_cdc_data_protocol_vals_ext = VALUE_STRING_EXT_INIT(usb_cdc_data_protocol_vals);
|
|
|
|
static const value_string usb_hid_subclass_vals[] = {
|
|
{0, "No Subclass"},
|
|
{1, "Boot Interface"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string usb_hid_boot_protocol_vals[] = {
|
|
{0, "None"},
|
|
{1, "Keyboard"},
|
|
{2, "Mouse"},
|
|
{0, NULL}
|
|
};
|
|
|
|
void proto_register_usb(void);
|
|
void proto_reg_handoff_usb(void);
|
|
|
|
/* This keys provide information for DecodeBy and other dissector via
|
|
per packet data: p_get_proto_data()/p_add_proto_data() */
|
|
#define USB_BUS_ID 0
|
|
#define USB_DEVICE_ADDRESS 1
|
|
#define USB_VENDOR_ID 2
|
|
#define USB_PRODUCT_ID 3
|
|
#define USB_DEVICE_CLASS 4
|
|
#define USB_DEVICE_SUBCLASS 5
|
|
#define USB_DEVICE_PROTOCOL 6
|
|
|
|
static void
|
|
usb_device_prompt(packet_info *pinfo, gchar* result)
|
|
{
|
|
g_snprintf(result, MAX_DECODE_AS_PROMPT_LEN, "Bus ID %u \nDevice Address %u\nas ",
|
|
GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_BUS_ID)),
|
|
GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_ADDRESS)));
|
|
}
|
|
|
|
static gpointer
|
|
usb_device_value(packet_info *pinfo)
|
|
{
|
|
guint32 value = GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_BUS_ID)) << 8;
|
|
value |= GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_ADDRESS));
|
|
return GUINT_TO_POINTER(value);
|
|
}
|
|
|
|
static void
|
|
usb_product_prompt(packet_info *pinfo, gchar* result)
|
|
{
|
|
g_snprintf(result, MAX_DECODE_AS_PROMPT_LEN, "Vendor ID 0x%04x \nProduct ID 0x%04x\nas ",
|
|
GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_VENDOR_ID)),
|
|
GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_PRODUCT_ID)));
|
|
}
|
|
|
|
static gpointer
|
|
usb_product_value(packet_info *pinfo)
|
|
{
|
|
guint32 value = GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_VENDOR_ID)) << 16;
|
|
value |= GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_PRODUCT_ID));
|
|
return GUINT_TO_POINTER(value);
|
|
}
|
|
|
|
static void
|
|
usb_protocol_prompt(packet_info *pinfo, gchar* result)
|
|
{
|
|
g_snprintf(result, MAX_DECODE_AS_PROMPT_LEN, "Class ID 0x%04x \nSubclass ID 0x%04x\nProtocol 0x%04x\nas ",
|
|
GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_CLASS)),
|
|
GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_SUBCLASS)),
|
|
GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_PROTOCOL)));
|
|
}
|
|
|
|
static gpointer
|
|
usb_protocol_value(packet_info *pinfo)
|
|
{
|
|
guint32 value = GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_CLASS)) << 16;
|
|
value |= GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_SUBCLASS)) << 8;
|
|
value |= GPOINTER_TO_UINT(p_get_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_PROTOCOL));
|
|
return GUINT_TO_POINTER(value);
|
|
}
|
|
|
|
static build_valid_func usb_product_da_build_value[1] = {usb_product_value};
|
|
static decode_as_value_t usb_product_da_values = {usb_product_prompt, 1, usb_product_da_build_value};
|
|
static decode_as_t usb_product_da = {
|
|
"usb", "USB Product", "usb.product",
|
|
1, 0, &usb_product_da_values, NULL, NULL,
|
|
decode_as_default_populate_list, decode_as_default_reset,
|
|
decode_as_default_change, NULL};
|
|
|
|
static build_valid_func usb_device_da_build_value[1] = {usb_device_value};
|
|
static decode_as_value_t usb_device_da_values = {usb_device_prompt, 1, usb_device_da_build_value};
|
|
static decode_as_t usb_device_da = {
|
|
"usb", "USB Device", "usb.device",
|
|
1, 0, &usb_device_da_values, NULL, NULL,
|
|
decode_as_default_populate_list, decode_as_default_reset,
|
|
decode_as_default_change, NULL};
|
|
|
|
static build_valid_func usb_protocol_da_build_value[1] = {usb_protocol_value};
|
|
static decode_as_value_t usb_protocol_da_values = {usb_protocol_prompt, 1, usb_protocol_da_build_value};
|
|
static decode_as_t usb_protocol_da = {
|
|
"usb", "USB Device Protocol", "usb.protocol",
|
|
1, 0, &usb_protocol_da_values, NULL, NULL,
|
|
decode_as_default_populate_list, decode_as_default_reset,
|
|
decode_as_default_change, NULL};
|
|
|
|
|
|
static usb_conv_info_t *
|
|
get_usb_conv_info(conversation_t *conversation)
|
|
{
|
|
usb_conv_info_t *usb_conv_info;
|
|
|
|
/* do we have conversation specific data ? */
|
|
usb_conv_info = (usb_conv_info_t *)conversation_get_proto_data(conversation, proto_usb);
|
|
if (!usb_conv_info) {
|
|
/* no not yet so create some */
|
|
usb_conv_info = wmem_new0(wmem_file_scope(), usb_conv_info_t);
|
|
usb_conv_info->interfaceClass = IF_CLASS_UNKNOWN;
|
|
usb_conv_info->interfaceSubclass = IF_SUBCLASS_UNKNOWN;
|
|
usb_conv_info->interfaceProtocol = IF_PROTOCOL_UNKNOWN;
|
|
usb_conv_info->deviceVendor = DEV_VENDOR_UNKNOWN;
|
|
usb_conv_info->deviceProduct = DEV_PRODUCT_UNKNOWN;
|
|
usb_conv_info->transactions = wmem_tree_new(wmem_file_scope());
|
|
|
|
conversation_add_proto_data(conversation, proto_usb, usb_conv_info);
|
|
}
|
|
|
|
return usb_conv_info;
|
|
}
|
|
|
|
static conversation_t *
|
|
get_usb_conversation(packet_info *pinfo,
|
|
address *src_addr, address *dst_addr,
|
|
guint32 src_endpoint, guint32 dst_endpoint)
|
|
{
|
|
conversation_t *conversation;
|
|
|
|
/*
|
|
* Do we have a conversation for this connection?
|
|
*/
|
|
conversation = find_conversation(pinfo->fd->num,
|
|
src_addr, dst_addr,
|
|
pinfo->ptype,
|
|
src_endpoint, dst_endpoint, 0);
|
|
if (conversation) {
|
|
return conversation;
|
|
}
|
|
|
|
/* We don't yet have a conversation, so create one. */
|
|
conversation = conversation_new(pinfo->fd->num,
|
|
src_addr, dst_addr,
|
|
pinfo->ptype,
|
|
src_endpoint, dst_endpoint, 0);
|
|
return conversation;
|
|
}
|
|
|
|
/* Fetch or create usb_conv_info for a specified interface. */
|
|
usb_conv_info_t *
|
|
get_usb_iface_conv_info(packet_info *pinfo, guint8 interface_num)
|
|
{
|
|
conversation_t *conversation;
|
|
guint32 if_port;
|
|
|
|
if_port = GUINT32_TO_LE(INTERFACE_PORT | interface_num);
|
|
|
|
if (pinfo->srcport == NO_ENDPOINT) {
|
|
conversation = get_usb_conversation(pinfo, &pinfo->src, &pinfo->dst, pinfo->srcport, if_port);
|
|
} else {
|
|
conversation = get_usb_conversation(pinfo, &pinfo->src, &pinfo->dst, if_port, pinfo->destport);
|
|
}
|
|
|
|
return get_usb_conv_info(conversation);
|
|
}
|
|
|
|
|
|
/* SETUP dissectors */
|
|
|
|
|
|
/*
|
|
* These dissectors are used to dissect the setup part and the data
|
|
* for URB_CONTROL_INPUT / CLEAR FEATURE
|
|
*/
|
|
|
|
|
|
/* 9.4.1 */
|
|
static int
|
|
dissect_usb_setup_clear_feature_request(packet_info *pinfo _U_, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
/* feature selector */
|
|
proto_tree_add_item(tree, hf_usb_wFeatureSelector, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* zero/interface/endpoint */
|
|
/* XXX - check based on request type */
|
|
proto_tree_add_item(tree, hf_usb_wInterface, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* length */
|
|
proto_tree_add_item(tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_usb_setup_clear_feature_response(packet_info *pinfo _U_, proto_tree *tree _U_,
|
|
tvbuff_t *tvb _U_, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
return offset;
|
|
}
|
|
|
|
|
|
/*
|
|
* These dissectors are used to dissect the setup part and the data
|
|
* for URB_CONTROL_INPUT / GET CONFIGURATION
|
|
*/
|
|
|
|
|
|
/* 9.4.2 */
|
|
static int
|
|
dissect_usb_setup_get_configuration_response(packet_info *pinfo _U_, proto_tree *tree _U_,
|
|
tvbuff_t *tvb _U_, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
proto_tree_add_item(tree, hf_usb_bConfigurationValue, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/*
|
|
* These dissectors are used to dissect the setup part and the data
|
|
* for URB_CONTROL_INPUT / GET DESCRIPTOR
|
|
*/
|
|
|
|
proto_item * dissect_usb_descriptor_header(proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
value_string_ext *type_val_str)
|
|
{
|
|
guint8 desc_type;
|
|
proto_item *length_item;
|
|
proto_item *type_item;
|
|
|
|
|
|
length_item = proto_tree_add_item(tree, hf_usb_bLength,
|
|
tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset++;
|
|
|
|
desc_type = tvb_get_guint8(tvb, offset);
|
|
type_item = proto_tree_add_item(tree, hf_usb_bDescriptorType,
|
|
tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
/* if the caller provided no class specific value string, we're
|
|
* using the standard descriptor types */
|
|
if (!type_val_str)
|
|
type_val_str = &std_descriptor_type_vals_ext;
|
|
proto_item_append_text(type_item, " (%s)",
|
|
val_to_str_ext(desc_type, type_val_str, "unknown"));
|
|
|
|
return length_item;
|
|
}
|
|
|
|
/* 9.6.2 */
|
|
static int
|
|
dissect_usb_device_qualifier_descriptor(packet_info *pinfo _U_, proto_tree *parent_tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id, guint device_address)
|
|
{
|
|
proto_item *item = NULL;
|
|
proto_tree *tree = NULL;
|
|
proto_item *nitem = NULL;
|
|
int old_offset = offset;
|
|
guint32 protocol;
|
|
const gchar *description;
|
|
|
|
if (parent_tree) {
|
|
item = proto_tree_add_text(parent_tree, tvb, offset, -1, "DEVICE QUALIFIER DESCRIPTOR");
|
|
tree = proto_item_add_subtree(item, ett_descriptor_device);
|
|
}
|
|
|
|
dissect_usb_descriptor_header(tree, tvb, offset, NULL);
|
|
offset += 2;
|
|
|
|
/* bcdUSB */
|
|
proto_tree_add_item(tree, hf_usb_bcdUSB, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
protocol = tvb_get_ntoh24(tvb, offset);
|
|
description = val_to_str_ext_const(protocol, &usb_protocols_ext, "");
|
|
|
|
/* bDeviceClass */
|
|
proto_tree_add_item(tree, hf_usb_bDeviceClass, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bDeviceSubClass */
|
|
proto_tree_add_item(tree, hf_usb_bDeviceSubClass, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bDeviceProtocol */
|
|
nitem = proto_tree_add_item(tree, hf_usb_bDeviceProtocol, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
if (*description)
|
|
proto_item_append_text(nitem, " (%s)", description);
|
|
offset += 1;
|
|
|
|
if (!pinfo->fd->flags.visited) {
|
|
guint k_bus_id;
|
|
guint k_device_address;
|
|
guint k_frame_number;
|
|
wmem_tree_key_t key[4];
|
|
device_protocol_data_t *device_protocol_data;
|
|
|
|
k_frame_number = pinfo->fd->num;
|
|
k_device_address = device_address;
|
|
k_bus_id = bus_id;
|
|
|
|
key[0].length = 1;
|
|
key[0].key = &k_device_address;
|
|
key[1].length = 1;
|
|
key[1].key = &k_bus_id;
|
|
key[2].length = 1;
|
|
key[2].key = &k_frame_number;
|
|
key[3].length = 0;
|
|
key[3].key = NULL;
|
|
|
|
device_protocol_data = wmem_new(wmem_file_scope(), device_protocol_data_t);
|
|
device_protocol_data->protocol = protocol;
|
|
device_protocol_data->bus_id = bus_id;
|
|
device_protocol_data->device_address = device_address;
|
|
wmem_tree_insert32_array(device_to_protocol_table, key, device_protocol_data);
|
|
}
|
|
|
|
/* bMaxPacketSize0 */
|
|
proto_tree_add_item(tree, hf_usb_bMaxPacketSize0, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bNumConfigurations */
|
|
proto_tree_add_item(tree, hf_usb_bNumConfigurations, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* one reserved byte */
|
|
offset += 1;
|
|
|
|
if (item) {
|
|
proto_item_set_len(item, offset-old_offset);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* 9.6.1 */
|
|
static int
|
|
dissect_usb_device_descriptor(packet_info *pinfo, proto_tree *parent_tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
guint bus_id, guint device_address, usb_conv_info_t *usb_conv_info)
|
|
{
|
|
proto_item *item = NULL;
|
|
proto_tree *tree = NULL;
|
|
proto_item *nitem = NULL;
|
|
int old_offset = offset;
|
|
guint32 protocol;
|
|
const gchar *description;
|
|
guint16 vendor_id;
|
|
guint32 product;
|
|
guint16 product_id;
|
|
guint8 *field_description;
|
|
gint field_description_length;
|
|
header_field_info *hfi;
|
|
|
|
if (parent_tree) {
|
|
item = proto_tree_add_text(parent_tree, tvb, offset, -1, "DEVICE DESCRIPTOR");
|
|
tree = proto_item_add_subtree(item, ett_descriptor_device);
|
|
}
|
|
|
|
dissect_usb_descriptor_header(tree, tvb, offset, NULL);
|
|
offset += 2;
|
|
|
|
/* bcdUSB */
|
|
proto_tree_add_item(tree, hf_usb_bcdUSB, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
protocol = tvb_get_ntoh24(tvb, offset);
|
|
description = val_to_str_ext_const(protocol, &usb_protocols_ext, "");
|
|
|
|
/* bDeviceClass */
|
|
proto_tree_add_item(tree, hf_usb_bDeviceClass, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bDeviceSubClass */
|
|
proto_tree_add_item(tree, hf_usb_bDeviceSubClass, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bDeviceProtocol */
|
|
nitem = proto_tree_add_item(tree, hf_usb_bDeviceProtocol, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
if (*description)
|
|
proto_item_append_text(nitem, " (%s)", description);
|
|
offset += 1;
|
|
|
|
/* bMaxPacketSize0 */
|
|
proto_tree_add_item(tree, hf_usb_bMaxPacketSize0, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* idVendor */
|
|
proto_tree_add_item(tree, hf_usb_idVendor, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
vendor_id = tvb_get_letohs(tvb, offset);
|
|
usb_conv_info->deviceVendor = vendor_id;
|
|
offset += 2;
|
|
|
|
/* idProduct */
|
|
nitem = proto_tree_add_item(tree, hf_usb_idProduct, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
product_id = tvb_get_letohs(tvb, offset);
|
|
usb_conv_info->deviceProduct = product_id;
|
|
product = vendor_id << 16 | product_id;
|
|
|
|
hfi = proto_registrar_get_nth(hf_usb_idProduct);
|
|
field_description_length = (gint)strlen(hfi->name) + 14;
|
|
field_description = (guint8 *)wmem_alloc(wmem_packet_scope(), field_description_length);
|
|
g_strlcpy(field_description, hfi->name, field_description_length);
|
|
g_strlcat(field_description, ": %s (0x%04x)", field_description_length);
|
|
|
|
proto_item_set_text(nitem, field_description,
|
|
val_to_str_ext_const(product, &ext_usb_products_vals, "Unknown"),
|
|
product_id);
|
|
offset += 2;
|
|
|
|
if (!pinfo->fd->flags.visited) {
|
|
guint k_bus_id;
|
|
guint k_device_address;
|
|
guint k_frame_number;
|
|
wmem_tree_key_t key[4];
|
|
device_product_data_t *device_product_data;
|
|
device_protocol_data_t *device_protocol_data;
|
|
|
|
k_frame_number = pinfo->fd->num;
|
|
k_device_address = device_address;
|
|
k_bus_id = bus_id;
|
|
|
|
key[0].length = 1;
|
|
key[0].key = &k_device_address;
|
|
key[1].length = 1;
|
|
key[1].key = &k_bus_id;
|
|
key[2].length = 1;
|
|
key[2].key = &k_frame_number;
|
|
key[3].length = 0;
|
|
key[3].key = NULL;
|
|
|
|
device_product_data = wmem_new(wmem_file_scope(), device_product_data_t);
|
|
device_product_data->vendor = vendor_id;
|
|
device_product_data->product = product_id;
|
|
device_product_data->bus_id = bus_id;
|
|
device_product_data->device_address = device_address;
|
|
wmem_tree_insert32_array(device_to_product_table, key, device_product_data);
|
|
|
|
device_protocol_data = wmem_new(wmem_file_scope(), device_protocol_data_t);
|
|
device_protocol_data->protocol = protocol;
|
|
device_protocol_data->bus_id = bus_id;
|
|
device_protocol_data->device_address = device_address;
|
|
|
|
wmem_tree_insert32_array(device_to_protocol_table, key, device_protocol_data);
|
|
}
|
|
|
|
/* bcdDevice */
|
|
proto_tree_add_item(tree, hf_usb_bcdDevice, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* iManufacturer */
|
|
proto_tree_add_item(tree, hf_usb_iManufacturer, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* iProduct */
|
|
proto_tree_add_item(tree, hf_usb_iProduct, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* iSerialNumber */
|
|
proto_tree_add_item(tree, hf_usb_iSerialNumber, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bNumConfigurations */
|
|
proto_tree_add_item(tree, hf_usb_bNumConfigurations, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
if (item) {
|
|
proto_item_set_len(item, offset-old_offset);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* 9.6.7 */
|
|
static int
|
|
dissect_usb_string_descriptor(packet_info *pinfo _U_, proto_tree *parent_tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info,
|
|
usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
proto_item *item = NULL;
|
|
proto_tree *tree = NULL;
|
|
int old_offset = offset;
|
|
guint8 len;
|
|
proto_item *len_item;
|
|
|
|
if (parent_tree) {
|
|
item = proto_tree_add_text(parent_tree, tvb, offset, -1, "STRING DESCRIPTOR");
|
|
tree = proto_item_add_subtree(item, ett_descriptor_device);
|
|
}
|
|
|
|
len = tvb_get_guint8(tvb, offset);
|
|
/* The USB spec says that the languages / the string are UTF16 and not
|
|
0-terminated, i.e. the length field must contain an even number */
|
|
if (len & 0x1) {
|
|
/* bLength */
|
|
len_item = proto_tree_add_item(tree, hf_usb_bLength, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
expert_add_info(pinfo, len_item, &ei_usb_bLength_even);
|
|
|
|
/* bDescriptorType */
|
|
proto_tree_add_item(tree, hf_usb_bDescriptorType, tvb, offset+1, 1, ENC_LITTLE_ENDIAN);
|
|
}
|
|
else
|
|
len_item = dissect_usb_descriptor_header(tree, tvb, offset, NULL);
|
|
offset += 2;
|
|
|
|
/* Report an error, and give up, if the length is < 2 */
|
|
if (len < 2) {
|
|
expert_add_info(pinfo, len_item, &ei_usb_bLength_too_short);
|
|
return offset;
|
|
}
|
|
|
|
if (!usb_trans_info->u.get_descriptor.index) {
|
|
/* list of languanges */
|
|
while(len>(offset-old_offset)) {
|
|
/* wLANGID */
|
|
proto_tree_add_item(tree, hf_usb_wLANGID, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset+=2;
|
|
}
|
|
} else {
|
|
/* UTF-16 string */
|
|
proto_tree_add_item(tree, hf_usb_bString, tvb, offset, len-2, ENC_UTF_16 | ENC_LITTLE_ENDIAN);
|
|
offset += len-2;
|
|
}
|
|
|
|
if (item) {
|
|
proto_item_set_len(item, offset-old_offset);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
/* 9.6.5 */
|
|
static int
|
|
dissect_usb_interface_descriptor(packet_info *pinfo, proto_tree *parent_tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info,
|
|
usb_conv_info_t *usb_conv_info)
|
|
{
|
|
proto_item *item = NULL;
|
|
proto_tree *tree = NULL;
|
|
const char *class_str = NULL;
|
|
int old_offset = offset;
|
|
guint8 len;
|
|
guint8 interface_num;
|
|
guint8 alt_setting;
|
|
|
|
if (parent_tree) {
|
|
item = proto_tree_add_text(parent_tree, tvb, offset, -1, "INTERFACE DESCRIPTOR");
|
|
tree = proto_item_add_subtree(item, ett_descriptor_device);
|
|
}
|
|
|
|
len = tvb_get_guint8(tvb, offset);
|
|
dissect_usb_descriptor_header(tree, tvb, offset, NULL);
|
|
offset += 2;
|
|
|
|
/* bInterfaceNumber */
|
|
interface_num = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceNumber, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
usb_conv_info->interfaceNum = interface_num;
|
|
offset += 1;
|
|
|
|
/* bAlternateSetting */
|
|
alt_setting = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_usb_bAlternateSetting, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bNumEndpoints */
|
|
proto_tree_add_item(tree, hf_usb_bNumEndpoints, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bInterfaceClass */
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceClass, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
/* save the class so we can access it later in the endpoint descriptor */
|
|
usb_conv_info->interfaceClass = tvb_get_guint8(tvb, offset);
|
|
|
|
class_str = val_to_str_ext(usb_conv_info->interfaceClass, &usb_class_vals_ext, "unknown (0x%X)");
|
|
proto_item_append_text(item, " (%u.%u): class %s", interface_num, alt_setting, class_str);
|
|
|
|
if (!pinfo->fd->flags.visited && (alt_setting == 0)) {
|
|
/* Register conversation for this interface in case CONTROL messages are sent to it */
|
|
usb_trans_info->interface_info = get_usb_iface_conv_info(pinfo, interface_num);
|
|
usb_trans_info->interface_info->interfaceClass = tvb_get_guint8(tvb, offset);
|
|
/* save information useful to class-specific dissectors */
|
|
usb_trans_info->interface_info->interfaceSubclass = tvb_get_guint8(tvb, offset+1);
|
|
usb_trans_info->interface_info->interfaceProtocol = tvb_get_guint8(tvb, offset+2);
|
|
usb_trans_info->interface_info->deviceVendor = usb_conv_info->deviceVendor;
|
|
usb_trans_info->interface_info->deviceProduct = usb_conv_info->deviceProduct;
|
|
}
|
|
offset += 1;
|
|
|
|
/* bInterfaceSubClass */
|
|
switch (usb_conv_info->interfaceClass) {
|
|
case IF_CLASS_COMMUNICATIONS:
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceSubClass_cdc, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
case IF_CLASS_HID:
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceSubClass_hid, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
default:
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceSubClass, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
}
|
|
|
|
/* save the subclass so we can access it later in class-specific descriptors */
|
|
usb_conv_info->interfaceSubclass = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
|
|
/* bInterfaceProtocol */
|
|
switch (usb_conv_info->interfaceClass) {
|
|
case IF_CLASS_COMMUNICATIONS:
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceProtocol_cdc, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
case IF_CLASS_CDC_DATA:
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceProtocol_cdc_data, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
case IF_CLASS_HID:
|
|
if (usb_conv_info->interfaceSubclass == 1) {
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceProtocol_hid_boot, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
} /* else default */
|
|
default:
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceProtocol, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
}
|
|
|
|
usb_conv_info->interfaceProtocol = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
|
|
/* iInterface */
|
|
proto_tree_add_item(tree, hf_usb_iInterface, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
if (item) {
|
|
proto_item_set_len(item, len);
|
|
}
|
|
if (offset < old_offset+len) {
|
|
/* skip unknown records */
|
|
offset = old_offset + len;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* 9.6.6 */
|
|
static const true_false_string tfs_endpoint_direction = {
|
|
"IN Endpoint",
|
|
"OUT Endpoint"
|
|
};
|
|
|
|
void dissect_usb_endpoint_address(proto_tree *tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
proto_item *endpoint_item = NULL;
|
|
proto_tree *endpoint_tree = NULL;
|
|
guint8 endpoint;
|
|
|
|
if (tree) {
|
|
endpoint_item = proto_tree_add_item(tree, hf_usb_bEndpointAddress, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
endpoint_tree = proto_item_add_subtree(endpoint_item, ett_configuration_bEndpointAddress);
|
|
}
|
|
endpoint = tvb_get_guint8(tvb, offset)&0x0f;
|
|
proto_tree_add_item(endpoint_tree, hf_usb_bEndpointAddress_direction, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
proto_item_append_text(endpoint_item, " %s", (tvb_get_guint8(tvb, offset)&0x80)?"IN":"OUT");
|
|
proto_tree_add_item(endpoint_tree, hf_usb_bEndpointAddress_number, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
proto_item_append_text(endpoint_item, " Endpoint:%d", endpoint);
|
|
}
|
|
|
|
static int
|
|
dissect_usb_endpoint_descriptor(packet_info *pinfo, proto_tree *parent_tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
proto_item *item = NULL;
|
|
proto_tree *tree = NULL;
|
|
proto_item *ep_attrib_item = NULL;
|
|
proto_tree *ep_attrib_tree = NULL;
|
|
proto_item *ep_pktsize_item;
|
|
proto_tree *ep_pktsize_tree;
|
|
int old_offset = offset;
|
|
guint8 endpoint;
|
|
guint8 ep_type;
|
|
guint8 len;
|
|
|
|
if (parent_tree) {
|
|
item = proto_tree_add_text(parent_tree, tvb, offset, -1, "ENDPOINT DESCRIPTOR");
|
|
tree = proto_item_add_subtree(item, ett_descriptor_device);
|
|
}
|
|
|
|
len = tvb_get_guint8(tvb, offset);
|
|
dissect_usb_descriptor_header(tree, tvb, offset, NULL);
|
|
offset += 2;
|
|
|
|
endpoint = tvb_get_guint8(tvb, offset)&0x0f;
|
|
dissect_usb_endpoint_address(tree, tvb, offset);
|
|
offset += 1;
|
|
|
|
/* Together with class from the interface descriptor we know what kind
|
|
* of class the device at endpoint is.
|
|
* Make sure a conversation exists for this endpoint and attach a
|
|
* usb_conv_into_t structure to it.
|
|
*
|
|
* All endpoints for the same interface descriptor share the same
|
|
* usb_conv_info structure.
|
|
*/
|
|
if ((!pinfo->fd->flags.visited)&&usb_trans_info->interface_info) {
|
|
conversation_t *conversation;
|
|
|
|
if (pinfo->destport == NO_ENDPOINT) {
|
|
static address tmp_addr;
|
|
static usb_address_t usb_addr;
|
|
|
|
/* Create a new address structure that points to the same device
|
|
* but the new endpoint.
|
|
*/
|
|
usb_addr.device = ((const usb_address_t *)(pinfo->src.data))->device;
|
|
usb_addr.endpoint = GUINT32_TO_LE(endpoint);
|
|
SET_ADDRESS(&tmp_addr, AT_USB, USB_ADDR_LEN, (char *)&usb_addr);
|
|
conversation = get_usb_conversation(pinfo, &tmp_addr, &pinfo->dst, usb_addr.endpoint, pinfo->destport);
|
|
} else {
|
|
static address tmp_addr;
|
|
static usb_address_t usb_addr;
|
|
|
|
/* Create a new address structure that points to the same device
|
|
* but the new endpoint.
|
|
*/
|
|
usb_addr.device = ((const usb_address_t *)(pinfo->dst.data))->device;
|
|
usb_addr.endpoint = GUINT32_TO_LE(endpoint);
|
|
SET_ADDRESS(&tmp_addr, AT_USB, USB_ADDR_LEN, (char *)&usb_addr);
|
|
conversation = get_usb_conversation(pinfo, &pinfo->src, &tmp_addr, pinfo->srcport, usb_addr.endpoint);
|
|
}
|
|
|
|
conversation_add_proto_data(conversation, proto_usb, usb_trans_info->interface_info);
|
|
}
|
|
|
|
/* bmAttributes */
|
|
ep_type = ENDPOINT_TYPE(tvb_get_guint8(tvb, offset));
|
|
if (tree) {
|
|
ep_attrib_item = proto_tree_add_item(tree, hf_usb_bmAttributes, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
ep_attrib_tree = proto_item_add_subtree(ep_attrib_item, ett_endpoint_bmAttributes);
|
|
}
|
|
proto_tree_add_item(ep_attrib_tree, hf_usb_bEndpointAttributeTransfer, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
/* isochronous only */
|
|
proto_tree_add_item(ep_attrib_tree, hf_usb_bEndpointAttributeSynchonisation, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
/* isochronous only */
|
|
proto_tree_add_item(ep_attrib_tree, hf_usb_bEndpointAttributeBehaviour, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* wMaxPacketSize */
|
|
ep_pktsize_item = proto_tree_add_item(tree, hf_usb_wMaxPacketSize, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
ep_pktsize_tree = proto_item_add_subtree(ep_pktsize_item, ett_endpoint_wMaxPacketSize);
|
|
if ((ep_type == ENDPOINT_TYPE_INTERRUPT) || (ep_type == ENDPOINT_TYPE_ISOCHRONOUS)) {
|
|
proto_tree_add_item(ep_pktsize_tree, hf_usb_wMaxPacketSize_slots, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
}
|
|
proto_tree_add_item(ep_pktsize_tree, hf_usb_wMaxPacketSize_size, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset+=2;
|
|
|
|
/* bInterval */
|
|
proto_tree_add_item(tree, hf_usb_bInterval, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
if (item) {
|
|
proto_item_set_len(item, len);
|
|
}
|
|
if (offset < old_offset+len) {
|
|
/* skip unknown records */
|
|
offset = old_offset + len;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* ECN */
|
|
static int
|
|
dissect_usb_interface_assn_descriptor(packet_info *pinfo _U_, proto_tree *parent_tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
proto_item *item = NULL;
|
|
proto_tree *tree = NULL;
|
|
int old_offset = offset;
|
|
|
|
if (parent_tree) {
|
|
item = proto_tree_add_text(parent_tree, tvb, offset, -1, "INTERFACE ASSOCIATION DESCRIPTOR");
|
|
tree = proto_item_add_subtree(item, ett_descriptor_device);
|
|
}
|
|
|
|
dissect_usb_descriptor_header(tree, tvb, offset, NULL);
|
|
offset += 2;
|
|
|
|
/* bFirstInterface */
|
|
proto_tree_add_item(tree, hf_usb_bFirstInterface, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bInterfaceCount */
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceCount, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bFunctionClass */
|
|
proto_tree_add_item(tree, hf_usb_bFunctionClass, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bFunctionSubclass */
|
|
proto_tree_add_item(tree, hf_usb_bFunctionSubClass, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bFunctionProtocol */
|
|
proto_tree_add_item(tree, hf_usb_bFunctionProtocol, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* iFunction */
|
|
proto_tree_add_item(tree, hf_usb_iFunction, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
if (item) {
|
|
proto_item_set_len(item, offset-old_offset);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_usb_unknown_descriptor(packet_info *pinfo _U_, proto_tree *parent_tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
proto_item *item = NULL;
|
|
proto_tree *tree = NULL;
|
|
guint8 bLength;
|
|
|
|
if (parent_tree) {
|
|
item = proto_tree_add_text(parent_tree, tvb, offset, -1, "UNKNOWN DESCRIPTOR");
|
|
tree = proto_item_add_subtree(item, ett_descriptor_device);
|
|
}
|
|
|
|
bLength = tvb_get_guint8(tvb, offset);
|
|
dissect_usb_descriptor_header(tree, tvb, offset, NULL);
|
|
offset += bLength;
|
|
|
|
if (item) {
|
|
proto_item_set_len(item, bLength);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* 9.6.3 */
|
|
static const true_false_string tfs_mustbeone = {
|
|
"Must be 1 for USB 1.1 and higher",
|
|
"FIXME: Is this a USB 1.0 device"
|
|
};
|
|
static const true_false_string tfs_selfpowered = {
|
|
"This device is SELF-POWERED",
|
|
"This device is powered from the USB bus"
|
|
};
|
|
static const true_false_string tfs_remotewakeup = {
|
|
"This device supports REMOTE WAKEUP",
|
|
"This device does NOT support remote wakeup"
|
|
};
|
|
static int
|
|
dissect_usb_configuration_descriptor(packet_info *pinfo _U_, proto_tree *parent_tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info,
|
|
usb_conv_info_t *usb_conv_info)
|
|
{
|
|
proto_item *item = NULL;
|
|
proto_tree *tree = NULL;
|
|
int old_offset = offset;
|
|
guint16 len;
|
|
proto_item *flags_item = NULL;
|
|
proto_tree *flags_tree = NULL;
|
|
guint8 flags;
|
|
proto_item *power_item;
|
|
guint8 power;
|
|
gboolean truncation_expected;
|
|
|
|
usb_conv_info->interfaceClass = IF_CLASS_UNKNOWN;
|
|
usb_conv_info->interfaceSubclass = IF_SUBCLASS_UNKNOWN;
|
|
usb_conv_info->interfaceProtocol = IF_PROTOCOL_UNKNOWN;
|
|
|
|
if (parent_tree) {
|
|
item = proto_tree_add_text(parent_tree, tvb, offset, -1, "CONFIGURATION DESCRIPTOR");
|
|
tree = proto_item_add_subtree(item, ett_descriptor_device);
|
|
}
|
|
|
|
dissect_usb_descriptor_header(tree, tvb, offset, NULL);
|
|
offset += 2;
|
|
|
|
/* wTotalLength */
|
|
proto_tree_add_item(tree, hf_usb_wTotalLength, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
len = tvb_get_letohs(tvb, offset);
|
|
offset+=2;
|
|
|
|
/* bNumInterfaces */
|
|
proto_tree_add_item(tree, hf_usb_bNumInterfaces, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bConfigurationValue */
|
|
proto_tree_add_item(tree, hf_usb_bConfigurationValue, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* iConfiguration */
|
|
proto_tree_add_item(tree, hf_usb_iConfiguration, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
/* bmAttributes */
|
|
if (tree) {
|
|
flags_item = proto_tree_add_item(tree, hf_usb_configuration_bmAttributes, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
flags_tree = proto_item_add_subtree(flags_item, ett_configuration_bmAttributes);
|
|
}
|
|
flags = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(flags_tree, hf_usb_configuration_legacy10buspowered, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(flags_tree, hf_usb_configuration_selfpowered, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
proto_item_append_text(flags_item, " %sSELF-POWERED", (flags&0x40)?"":"NOT ");
|
|
proto_tree_add_item(flags_tree, hf_usb_configuration_remotewakeup, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
proto_item_append_text(flags_item, " %sREMOTE-WAKEUP", (flags&0x20)?"":"NO ");
|
|
offset += 1;
|
|
|
|
/* bMaxPower */
|
|
power_item = proto_tree_add_item(tree, hf_usb_bMaxPower, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
power = tvb_get_guint8(tvb, offset);
|
|
proto_item_append_text(power_item, " (%dmA)", power*2);
|
|
offset += 1;
|
|
|
|
/* initialize interface_info to NULL */
|
|
usb_trans_info->interface_info = NULL;
|
|
|
|
truncation_expected = (usb_trans_info->setup.wLength < len);
|
|
|
|
/* decode any additional interface and endpoint descriptors */
|
|
while(len>(offset-old_offset)) {
|
|
guint8 next_type;
|
|
guint8 next_len = 0;
|
|
gint remaining_tvb, remaining_len;
|
|
tvbuff_t *next_tvb = NULL;
|
|
|
|
/* Handle truncated descriptors appropriately */
|
|
remaining_tvb = tvb_length_remaining(tvb, offset);
|
|
if (remaining_tvb > 0) {
|
|
next_len = tvb_get_guint8(tvb, offset);
|
|
remaining_len = len - (offset - old_offset);
|
|
if ((next_len < 3) || (next_len > remaining_len)) {
|
|
proto_tree_add_expert_format(parent_tree, pinfo, &ei_usb_desc_length_invalid,
|
|
tvb, offset, 1, "Invalid descriptor length: %u", next_len);
|
|
item = NULL;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((remaining_tvb == 0) || (next_len > remaining_tvb)) {
|
|
if (!truncation_expected) {
|
|
THROW(ReportedBoundsError);
|
|
}
|
|
break;
|
|
}
|
|
|
|
next_type = tvb_get_guint8(tvb, offset+1);
|
|
switch(next_type) {
|
|
case USB_DT_INTERFACE:
|
|
offset = dissect_usb_interface_descriptor(pinfo, parent_tree, tvb, offset, usb_trans_info, usb_conv_info);
|
|
break;
|
|
case USB_DT_ENDPOINT:
|
|
offset = dissect_usb_endpoint_descriptor(pinfo, parent_tree, tvb, offset, usb_trans_info, usb_conv_info);
|
|
break;
|
|
case USB_DT_INTERFACE_ASSOCIATION:
|
|
offset = dissect_usb_interface_assn_descriptor(pinfo, parent_tree, tvb, offset, usb_trans_info, usb_conv_info);
|
|
break;
|
|
default:
|
|
next_tvb = tvb_new_subset(tvb, offset, next_len, next_len);
|
|
if (dissector_try_uint_new(usb_descriptor_dissector_table, usb_conv_info->interfaceClass, next_tvb, pinfo, parent_tree, TRUE, usb_conv_info)) {
|
|
offset += next_len;
|
|
} else {
|
|
offset = dissect_usb_unknown_descriptor(pinfo, parent_tree, tvb, offset, usb_trans_info, usb_conv_info);
|
|
}
|
|
break;
|
|
/* was: return offset; */
|
|
}
|
|
}
|
|
|
|
if (item) {
|
|
proto_item_set_len(item, offset-old_offset);
|
|
}
|
|
|
|
/* Clear any class association from the Control endpoint.
|
|
* We need the association temporarily, to establish
|
|
* context for class-specific descriptor dissectors,
|
|
* but the association must not persist beyond this function.
|
|
* If it did, all traffic on the Control endpoint would be labeled
|
|
* as belonging to the class of the last INTERFACE descriptor,
|
|
* which would be especially inappropriate for composite devices.
|
|
*/
|
|
usb_conv_info->interfaceClass = IF_CLASS_UNKNOWN;
|
|
usb_conv_info->interfaceSubclass = IF_SUBCLASS_UNKNOWN;
|
|
usb_conv_info->interfaceProtocol = IF_PROTOCOL_UNKNOWN;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* 9.4.3 */
|
|
static int
|
|
dissect_usb_setup_get_descriptor_request(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
/* descriptor index */
|
|
proto_tree_add_item(tree, hf_usb_descriptor_index, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
usb_trans_info->u.get_descriptor.index = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
|
|
/* descriptor type */
|
|
proto_tree_add_item(tree, hf_usb_bDescriptorType, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
usb_trans_info->u.get_descriptor.type = tvb_get_guint8(tvb, offset);
|
|
offset += 1;
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " %s",
|
|
val_to_str_ext(usb_trans_info->u.get_descriptor.type, &std_descriptor_type_vals_ext, "Unknown type %u"));
|
|
|
|
/* language id */
|
|
proto_tree_add_item(tree, hf_usb_language_id, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset+=2;
|
|
|
|
/* length */
|
|
proto_tree_add_item(tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_usb_setup_get_descriptor_response(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info,
|
|
usb_conv_info_t *usb_conv_info,
|
|
guint bus_id, guint device_address)
|
|
{
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " %s",
|
|
val_to_str_ext(usb_trans_info->u.get_descriptor.type, &std_descriptor_type_vals_ext, "Unknown type %u"));
|
|
|
|
switch(usb_trans_info->u.get_descriptor.type) {
|
|
case USB_DT_DEVICE:
|
|
offset = dissect_usb_device_descriptor(pinfo, tree, tvb, offset, usb_trans_info, bus_id, device_address, usb_conv_info);
|
|
break;
|
|
case USB_DT_CONFIG:
|
|
offset = dissect_usb_configuration_descriptor(pinfo, tree, tvb, offset, usb_trans_info, usb_conv_info);
|
|
break;
|
|
case USB_DT_STRING:
|
|
offset = dissect_usb_string_descriptor(pinfo, tree, tvb, offset, usb_trans_info, usb_conv_info);
|
|
break;
|
|
case USB_DT_INTERFACE:
|
|
offset = dissect_usb_interface_descriptor(pinfo, tree, tvb, offset, usb_trans_info, usb_conv_info);
|
|
break;
|
|
case USB_DT_ENDPOINT:
|
|
offset = dissect_usb_endpoint_descriptor(pinfo, tree, tvb, offset, usb_trans_info, usb_conv_info);
|
|
break;
|
|
case USB_DT_DEVICE_QUALIFIER:
|
|
offset = dissect_usb_device_qualifier_descriptor(pinfo, tree, tvb, offset, usb_trans_info, usb_conv_info, bus_id, device_address);
|
|
break;
|
|
case USB_DT_RPIPE:
|
|
if (usb_conv_info->interfaceClass == IF_CLASS_HID) {
|
|
offset = dissect_usb_hid_get_report_descriptor(pinfo, tree, tvb, offset, usb_trans_info, usb_conv_info);
|
|
break;
|
|
}
|
|
/* else fall through as default/unknown */
|
|
default:
|
|
/* XXX dissect the descriptor coming back from the device */
|
|
proto_tree_add_text(tree, tvb, offset, -1, "GET DESCRIPTOR data (unknown descriptor type %u)", usb_trans_info->u.get_descriptor.type);
|
|
offset = tvb_length(tvb);
|
|
break;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/*
|
|
* These dissectors are used to dissect the setup part and the data
|
|
* for URB_CONTROL_INPUT / GET INTERFACE
|
|
*/
|
|
|
|
|
|
/* 9.4.4 */
|
|
static int
|
|
dissect_usb_setup_get_interface_request(packet_info *pinfo _U_, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
/* zero */
|
|
proto_tree_add_item(tree, hf_usb_value, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* interface */
|
|
proto_tree_add_item(tree, hf_usb_wInterface, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* length */
|
|
proto_tree_add_item(tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_usb_setup_get_interface_response(packet_info *pinfo _U_, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
/* alternate setting */
|
|
proto_tree_add_item(tree, hf_usb_bAlternateSetting, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/*
|
|
* These dissectors are used to dissect the setup part and the data
|
|
* for URB_CONTROL_INPUT / GET STATUS
|
|
*/
|
|
|
|
|
|
/* 9.4.5 */
|
|
static int
|
|
dissect_usb_setup_get_status_request(packet_info *pinfo _U_, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
/* zero */
|
|
proto_tree_add_item(tree, hf_usb_value, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* zero/interface/endpoint */
|
|
/* XXX - check based on request type */
|
|
proto_tree_add_item(tree, hf_usb_wInterface, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* length */
|
|
proto_tree_add_item(tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_usb_setup_get_status_response(packet_info *pinfo _U_, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
/* status */
|
|
/* XXX - show bits */
|
|
proto_tree_add_item(tree, hf_usb_wStatus, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/*
|
|
* These dissectors are used to dissect the setup part and the data
|
|
* for URB_CONTROL_INPUT / SET ADDRESS
|
|
*/
|
|
|
|
|
|
/* 9.4.6 */
|
|
static int
|
|
dissect_usb_setup_set_address_request(packet_info *pinfo _U_, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
/* device address */
|
|
proto_tree_add_item(tree, hf_usb_device_address, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* zero */
|
|
proto_tree_add_item(tree, hf_usb_index, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* zero */
|
|
proto_tree_add_item(tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_usb_setup_set_address_response(packet_info *pinfo _U_, proto_tree *tree _U_,
|
|
tvbuff_t *tvb _U_, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
return offset;
|
|
}
|
|
|
|
|
|
/*
|
|
* These dissectors are used to dissect the setup part and the data
|
|
* for URB_CONTROL_INPUT / SET CONFIGURATION
|
|
*/
|
|
|
|
|
|
/* 9.4.7 */
|
|
static int
|
|
dissect_usb_setup_set_configuration_request(packet_info *pinfo _U_, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
/* configuration value */
|
|
proto_tree_add_item(tree, hf_usb_bConfigurationValue, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* zero */
|
|
proto_tree_add_item(tree, hf_usb_index, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* zero */
|
|
proto_tree_add_item(tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_usb_setup_set_configuration_response(packet_info *pinfo _U_, proto_tree *tree _U_,
|
|
tvbuff_t *tvb _U_, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
return offset;
|
|
}
|
|
|
|
|
|
/*
|
|
* These dissectors are used to dissect the setup part and the data
|
|
* for URB_CONTROL_INPUT / SET FEATURE
|
|
*/
|
|
|
|
|
|
/* 9.4.9 */
|
|
static int
|
|
dissect_usb_setup_set_feature_request(packet_info *pinfo _U_, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
/* feature selector */
|
|
proto_tree_add_item(tree, hf_usb_wFeatureSelector, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* zero/interface/endpoint or test selector */
|
|
/* XXX - check based on request type */
|
|
proto_tree_add_item(tree, hf_usb_wInterface, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* zero */
|
|
proto_tree_add_item(tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_usb_setup_set_feature_response(packet_info *pinfo _U_, proto_tree *tree _U_,
|
|
tvbuff_t *tvb _U_, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
return offset;
|
|
}
|
|
|
|
|
|
/*
|
|
* These dissectors are used to dissect the setup part and the data
|
|
* for URB_CONTROL_INPUT / SET INTERFACE
|
|
*/
|
|
|
|
|
|
/* 9.4.10 */
|
|
static int
|
|
dissect_usb_setup_set_interface_request(packet_info *pinfo _U_, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
/* alternate setting */
|
|
proto_tree_add_item(tree, hf_usb_bAlternateSetting, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* interface */
|
|
proto_tree_add_item(tree, hf_usb_wInterface, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* zero */
|
|
proto_tree_add_item(tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_usb_setup_set_interface_response(packet_info *pinfo _U_, proto_tree *tree _U_,
|
|
tvbuff_t *tvb _U_, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
return offset;
|
|
}
|
|
|
|
|
|
/*
|
|
* These dissectors are used to dissect the setup part and the data
|
|
* for URB_CONTROL_INPUT / SYNCH FRAME
|
|
*/
|
|
|
|
|
|
/* 9.4.11 */
|
|
static int
|
|
dissect_usb_setup_synch_frame_request(packet_info *pinfo _U_, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
/* zero */
|
|
proto_tree_add_item(tree, hf_usb_value, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* endpoint */
|
|
/* XXX */
|
|
proto_tree_add_item(tree, hf_usb_wInterface, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* two */
|
|
proto_tree_add_item(tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissect_usb_setup_synch_frame_response(packet_info *pinfo _U_, proto_tree *tree _U_,
|
|
tvbuff_t *tvb _U_, int offset,
|
|
usb_trans_info_t *usb_trans_info _U_,
|
|
usb_conv_info_t *usb_conv_info _U_,
|
|
guint bus_id _U_, guint device_address _U_)
|
|
{
|
|
/* frame number */
|
|
proto_tree_add_item(tree, hf_usb_wFrameNumber, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
typedef int (*usb_setup_dissector)(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_trans_info_t *usb_trans_info,
|
|
usb_conv_info_t *usb_conv_info,
|
|
guint bus_id, guint device_address);
|
|
|
|
typedef struct _usb_setup_dissector_table_t {
|
|
guint8 request;
|
|
usb_setup_dissector dissector;
|
|
|
|
} usb_setup_dissector_table_t;
|
|
#define USB_SETUP_GET_STATUS 0
|
|
#define USB_SETUP_CLEAR_FEATURE 1
|
|
#define USB_SETUP_SET_FEATURE 3
|
|
#define USB_SETUP_SET_ADDRESS 5
|
|
#define USB_SETUP_GET_DESCRIPTOR 6
|
|
#define USB_SETUP_SET_DESCRIPTOR 7
|
|
#define USB_SETUP_GET_CONFIGURATION 8
|
|
#define USB_SETUP_SET_CONFIGURATION 9
|
|
#define USB_SETUP_GET_INTERFACE 10
|
|
#define USB_SETUP_SET_INTERFACE 11
|
|
#define USB_SETUP_SYNCH_FRAME 12
|
|
#define USB_SETUP_SET_SEL 48
|
|
#define USB_SETUP_SET_ISOCH_DELAY 49
|
|
|
|
static const usb_setup_dissector_table_t setup_request_dissectors[] = {
|
|
{USB_SETUP_GET_STATUS, dissect_usb_setup_get_status_request},
|
|
{USB_SETUP_CLEAR_FEATURE, dissect_usb_setup_clear_feature_request},
|
|
{USB_SETUP_SET_FEATURE, dissect_usb_setup_set_feature_request},
|
|
{USB_SETUP_SET_ADDRESS, dissect_usb_setup_set_address_request},
|
|
{USB_SETUP_GET_DESCRIPTOR, dissect_usb_setup_get_descriptor_request},
|
|
{USB_SETUP_SET_CONFIGURATION, dissect_usb_setup_set_configuration_request},
|
|
{USB_SETUP_GET_INTERFACE, dissect_usb_setup_get_interface_request},
|
|
{USB_SETUP_SET_INTERFACE, dissect_usb_setup_set_interface_request},
|
|
{USB_SETUP_SYNCH_FRAME, dissect_usb_setup_synch_frame_request},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const usb_setup_dissector_table_t setup_response_dissectors[] = {
|
|
{USB_SETUP_GET_STATUS, dissect_usb_setup_get_status_response},
|
|
{USB_SETUP_CLEAR_FEATURE, dissect_usb_setup_clear_feature_response},
|
|
{USB_SETUP_SET_FEATURE, dissect_usb_setup_set_feature_response},
|
|
{USB_SETUP_SET_ADDRESS, dissect_usb_setup_set_address_response},
|
|
{USB_SETUP_GET_DESCRIPTOR, dissect_usb_setup_get_descriptor_response},
|
|
{USB_SETUP_GET_CONFIGURATION, dissect_usb_setup_get_configuration_response},
|
|
{USB_SETUP_SET_CONFIGURATION, dissect_usb_setup_set_configuration_response},
|
|
{USB_SETUP_GET_INTERFACE, dissect_usb_setup_get_interface_response},
|
|
{USB_SETUP_SET_INTERFACE, dissect_usb_setup_set_interface_response},
|
|
{USB_SETUP_SYNCH_FRAME, dissect_usb_setup_synch_frame_response},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string setup_request_names_vals[] = {
|
|
{USB_SETUP_GET_STATUS, "GET STATUS"},
|
|
{USB_SETUP_CLEAR_FEATURE, "CLEAR FEATURE"},
|
|
{USB_SETUP_SET_FEATURE, "SET FEATURE"},
|
|
{USB_SETUP_SET_ADDRESS, "SET ADDRESS"},
|
|
{USB_SETUP_GET_DESCRIPTOR, "GET DESCRIPTOR"},
|
|
{USB_SETUP_SET_DESCRIPTOR, "SET DESCRIPTOR"},
|
|
{USB_SETUP_GET_CONFIGURATION, "GET CONFIGURATION"},
|
|
{USB_SETUP_SET_CONFIGURATION, "SET CONFIGURATION"},
|
|
{USB_SETUP_GET_INTERFACE, "GET INTERFACE"},
|
|
{USB_SETUP_SET_INTERFACE, "SET INTERFACE"},
|
|
{USB_SETUP_SYNCH_FRAME, "SYNCH FRAME"},
|
|
{USB_SETUP_SET_SEL, "SET SEL"},
|
|
{USB_SETUP_SET_ISOCH_DELAY, "SET ISOCH DELAY"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext setup_request_names_vals_ext = VALUE_STRING_EXT_INIT(setup_request_names_vals);
|
|
|
|
|
|
static const true_false_string tfs_bmrequesttype_direction = {
|
|
"Device-to-host",
|
|
"Host-to-device"
|
|
};
|
|
|
|
static const value_string bmrequesttype_type_vals[] = {
|
|
{RQT_SETUP_TYPE_STANDARD, "Standard"},
|
|
{RQT_SETUP_TYPE_CLASS, "Class"},
|
|
{RQT_SETUP_TYPE_VENDOR, "Vendor"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string bmrequesttype_recipient_vals[] = {
|
|
{RQT_SETUP_RECIPIENT_DEVICE, "Device" },
|
|
{RQT_SETUP_RECIPIENT_INTERFACE, "Interface" },
|
|
{RQT_SETUP_RECIPIENT_ENDPOINT, "Endpoint" },
|
|
{RQT_SETUP_RECIPIENT_OTHER, "Other" },
|
|
{0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_usb_bmrequesttype(proto_tree *parent_tree, tvbuff_t *tvb, int offset, int *type)
|
|
{
|
|
proto_item *item = NULL;
|
|
proto_tree *tree = NULL;
|
|
|
|
if (parent_tree) {
|
|
item = proto_tree_add_item(parent_tree, hf_usb_bmRequestType, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
tree = proto_item_add_subtree(item, ett_usb_setup_bmrequesttype);
|
|
}
|
|
|
|
*type = USB_TYPE(tvb_get_guint8(tvb, offset));
|
|
proto_tree_add_item(tree, hf_usb_bmRequestType_direction, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(tree, hf_usb_bmRequestType_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(tree, hf_usb_bmRequestType_recipient, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
|
|
return ++offset;
|
|
}
|
|
|
|
/* Adds the Linux USB pseudo header fields to the tree.
|
|
* NOTE: The multi-byte fields in this header, and the pseudo-header
|
|
* extension, are in host-endian format so we can't
|
|
* use proto_tree_add_item() nor the tvb_get_xyz() routines and is
|
|
* the reason for the tvb_memcpy() and proto_tree_add_uint[64]()
|
|
* pairs below. */
|
|
static void
|
|
dissect_linux_usb_pseudo_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
guint *bus_id, guint *device_address)
|
|
{
|
|
guint8 transfer_type;
|
|
guint8 endpoint_number;
|
|
guint8 transfer_type_and_direction;
|
|
guint8 type;
|
|
guint8 flag[2];
|
|
guint16 val16;
|
|
guint32 val32;
|
|
guint64 val64;
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&val64, 0, 8);
|
|
proto_tree_add_uint64(tree, hf_usb_urb_id, tvb, 0, 8, val64);
|
|
|
|
/* show the event type of this URB as string and as a character */
|
|
type = tvb_get_guint8(tvb, 8);
|
|
proto_tree_add_uint_format_value(tree, hf_usb_urb_type, tvb, 8, 1,
|
|
type, "%s ('%c')", val_to_str(type, usb_urb_type_vals, "Unknown %d"),
|
|
g_ascii_isprint(type) ? type : '.');
|
|
proto_tree_add_item(tree, hf_usb_transfer_type, tvb, 9, 1, ENC_BIG_ENDIAN);
|
|
|
|
transfer_type = tvb_get_guint8(tvb, 9);
|
|
endpoint_number = tvb_get_guint8(tvb, 10);
|
|
transfer_type_and_direction = (transfer_type & 0x7F) | (endpoint_number & 0x80);
|
|
col_append_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(transfer_type_and_direction, usb_transfer_type_and_direction_vals, "Unknown type %x"));
|
|
|
|
proto_tree_add_bitmask(tree, tvb, 10, hf_usb_endpoint_number, ett_usb_endpoint, usb_endpoint_fields, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_usb_device_address, tvb, 11, 1, ENC_BIG_ENDIAN);
|
|
*device_address = tvb_get_guint8(tvb, 11);
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&val16, 12, 2);
|
|
proto_tree_add_uint(tree, hf_usb_bus_id, tvb, 12, 2, val16);
|
|
*bus_id = tvb_get_letohs(tvb, 12);
|
|
|
|
/* Right after the pseudo header we always have
|
|
* sizeof(struct usb_device_setup_hdr) bytes. The content of these
|
|
* bytes only have meaning in case setup_flag == 0.
|
|
*/
|
|
flag[0] = tvb_get_guint8(tvb, 14);
|
|
flag[1] = '\0';
|
|
if (flag[0] == 0) {
|
|
proto_tree_add_string(tree, hf_usb_setup_flag, tvb, 14, 1, "relevant (0)");
|
|
} else {
|
|
proto_tree_add_string_format_value(tree, hf_usb_setup_flag, tvb,
|
|
14, 1, flag, "not relevant ('%c')", g_ascii_isprint(flag[0]) ? flag[0]: '.');
|
|
}
|
|
|
|
flag[0] = tvb_get_guint8(tvb, 15);
|
|
flag[1] = '\0';
|
|
if (flag[0] == 0) {
|
|
proto_tree_add_string(tree, hf_usb_data_flag, tvb, 15, 1, "present (0)");
|
|
} else {
|
|
proto_tree_add_string_format_value(tree, hf_usb_data_flag, tvb,
|
|
15, 1, flag, "not present ('%c')", g_ascii_isprint(flag[0]) ? flag[0] : '.');
|
|
}
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&val64, 16, 8);
|
|
proto_tree_add_uint64(tree, hf_usb_urb_ts_sec, tvb, 16, 8, val64);
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&val32, 24, 4);
|
|
proto_tree_add_uint(tree, hf_usb_urb_ts_usec, tvb, 24, 4, val32);
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&val32, 28, 4);
|
|
proto_tree_add_int(tree, hf_usb_urb_status, tvb, 28, 4, val32);
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&val32, 32, 4);
|
|
proto_tree_add_uint(tree, hf_usb_urb_len, tvb, 32, 4, val32);
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&val32, 36, 4);
|
|
proto_tree_add_uint(tree, hf_usb_urb_data_len, tvb, 36, 4, val32);
|
|
}
|
|
|
|
/*
|
|
* XXX - put these into the protocol tree as appropriate.
|
|
*/
|
|
static int
|
|
dissect_linux_usb_pseudo_header_ext(tvbuff_t *tvb, int offset,
|
|
packet_info *pinfo _U_,
|
|
proto_tree *tree _U_)
|
|
{
|
|
guint32 ndesc;
|
|
|
|
offset += 4; /* interval */
|
|
offset += 4; /* start_frame */
|
|
offset += 4; /* copy of URB's transfer flags */
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&ndesc, offset, 4);
|
|
offset += 4;
|
|
|
|
/*
|
|
* Isochronous descriptors. Each one is 16 bytes long.
|
|
*/
|
|
offset += ndesc*16;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* Adds the win32 USBPcap pseudo header fields to the tree. */
|
|
static void
|
|
dissect_win32_usb_pseudo_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
guint *bus_id, guint *device_address)
|
|
{
|
|
guint8 transfer_type;
|
|
guint8 endpoint_number;
|
|
guint8 transfer_type_and_direction;
|
|
|
|
proto_tree_add_item(tree, hf_usb_win32_header_len, tvb, 0, 2, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(tree, hf_usb_irp_id, tvb, 2, 8, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(tree, hf_usb_usbd_status, tvb, 10, 4, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_item(tree, hf_usb_function, tvb, 14, 2, ENC_LITTLE_ENDIAN);
|
|
|
|
proto_tree_add_bitmask(tree, tvb, 16, hf_usb_info, ett_usb_usbpcap_info, usb_usbpcap_info_fields, ENC_LITTLE_ENDIAN);
|
|
|
|
proto_tree_add_item(tree, hf_usb_bus_id, tvb, 17, 2, ENC_LITTLE_ENDIAN);
|
|
*bus_id = tvb_get_letohs(tvb, 17);
|
|
|
|
proto_tree_add_item(tree, hf_usb_win32_device_address, tvb, 19, 2, ENC_LITTLE_ENDIAN);
|
|
*device_address = tvb_get_letohs(tvb, 19);
|
|
|
|
transfer_type = tvb_get_guint8(tvb, 22);
|
|
|
|
endpoint_number = tvb_get_guint8(tvb, 21);
|
|
transfer_type_and_direction = (transfer_type & 0x7F) | (endpoint_number & 0x80);
|
|
col_append_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(transfer_type_and_direction, usb_transfer_type_and_direction_vals, "Unknown type %x"));
|
|
|
|
proto_tree_add_bitmask(tree, tvb, 21, hf_usb_endpoint_number, ett_usb_endpoint, usb_endpoint_fields, ENC_LITTLE_ENDIAN);
|
|
|
|
proto_tree_add_item(tree, hf_usb_transfer_type, tvb, 22, 1, ENC_LITTLE_ENDIAN);
|
|
|
|
proto_tree_add_item(tree, hf_usb_win32_data_len, tvb, 23, 4, ENC_LITTLE_ENDIAN);
|
|
|
|
/* Handle transfer specific data */
|
|
switch (transfer_type)
|
|
{
|
|
case URB_ISOCHRONOUS:
|
|
/* dissection in handled in dissect_usb_common() */
|
|
break;
|
|
case URB_INTERRUPT:
|
|
break;
|
|
case URB_CONTROL:
|
|
proto_tree_add_item(tree, hf_usb_control_stage, tvb, 27, 1, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
case URB_BULK:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_usb_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent,
|
|
guint8 header_info)
|
|
{
|
|
unsigned int offset = 0;
|
|
int type, endpoint, endpoint_with_dir;
|
|
guint8 urb_type, usbpcap_control_stage = 0;
|
|
guint8 setup_flag;
|
|
guint16 hdr_len;
|
|
guint32 win32_data_len = 0;
|
|
proto_tree *tree = NULL;
|
|
guint32 tmp_addr;
|
|
static usb_address_t src_addr, dst_addr; /* has to be static due to SET_ADDRESS */
|
|
guint32 src_endpoint, dst_endpoint;
|
|
gboolean is_request;
|
|
usb_conv_info_t *usb_conv_info;
|
|
usb_trans_info_t *usb_trans_info = NULL;
|
|
conversation_t *conversation;
|
|
usb_tap_data_t *tap_data;
|
|
guint bus_id = 0;
|
|
guint device_address = 0;
|
|
tvbuff_t *next_tvb = NULL;
|
|
device_product_data_t *device_product_data = NULL;
|
|
device_protocol_data_t *device_protocol_data = NULL;
|
|
wmem_tree_key_t key[4];
|
|
guint32 k_frame_number;
|
|
guint32 k_device_address;
|
|
guint32 k_bus_id;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "USB");
|
|
|
|
if (header_info & USB_HEADER_IS_LINUX) {
|
|
/* add usb hdr*/
|
|
if (parent) {
|
|
proto_item *ti;
|
|
ti = proto_tree_add_protocol_format(parent, proto_usb, tvb, 0,
|
|
(header_info & USB_HEADER_IS_64_BYTES) ? 64 : 48, "USB URB");
|
|
tree = proto_item_add_subtree(ti, usb_hdr);
|
|
}
|
|
|
|
dissect_linux_usb_pseudo_header(tvb, pinfo, tree, &bus_id, &device_address);
|
|
urb_type = tvb_get_guint8(tvb, 8);
|
|
is_request = (urb_type == URB_SUBMIT) ? TRUE : FALSE;
|
|
type = tvb_get_guint8(tvb, 9);
|
|
endpoint_with_dir = tvb_get_guint8(tvb, 10);
|
|
endpoint = endpoint_with_dir & (~URB_TRANSFER_IN);
|
|
tmp_addr = tvb_get_guint8(tvb, 11);
|
|
setup_flag = tvb_get_guint8(tvb, 14);
|
|
offset += 40; /* skip first part of the pseudo-header */
|
|
} else if (header_info & USB_HEADER_IS_USBPCAP) {
|
|
guint8 tmp_val8;
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&hdr_len, 0, 2);
|
|
/* add usb hdr */
|
|
if (parent) {
|
|
proto_item *ti;
|
|
ti = proto_tree_add_protocol_format(parent, proto_usb, tvb, 0,
|
|
hdr_len, "USB URB");
|
|
tree = proto_item_add_subtree(ti, usb_hdr);
|
|
}
|
|
|
|
dissect_win32_usb_pseudo_header(tvb, pinfo, tree, &bus_id, &device_address);
|
|
|
|
hdr_len = tvb_get_letohs(tvb, 0);
|
|
tmp_val8 = tvb_get_guint8(tvb, 16);
|
|
/* TODO: Handle errors */
|
|
if (tmp_val8 & 0x01) {
|
|
urb_type = URB_COMPLETE;
|
|
} else {
|
|
urb_type = URB_SUBMIT;
|
|
}
|
|
is_request = (urb_type == URB_SUBMIT) ? TRUE : FALSE;
|
|
type = tvb_get_guint8(tvb, 22);
|
|
endpoint_with_dir = tvb_get_guint8(tvb, 21);
|
|
endpoint = endpoint_with_dir & (~URB_TRANSFER_IN);
|
|
tmp_addr = device_address;
|
|
|
|
win32_data_len = tvb_get_letohl(tvb, 23);
|
|
usbpcap_control_stage = tvb_get_guint8(tvb, 27);
|
|
if (usbpcap_control_stage == USB_CONTROL_STAGE_SETUP) {
|
|
setup_flag = 0;
|
|
} else {
|
|
setup_flag = 0xFF;
|
|
}
|
|
|
|
if (type == URB_ISOCHRONOUS) {
|
|
offset += 27; /* Skip the part of pseudo-header already dissected */
|
|
} else {
|
|
offset += hdr_len; /* Skip the pseudo-header */
|
|
}
|
|
} else {
|
|
/* Unknown pseudo-header type */
|
|
return;
|
|
}
|
|
|
|
/* Set up addresses and ports. */
|
|
if (is_request) {
|
|
src_addr.device = 0xffffffff;
|
|
src_addr.endpoint = src_endpoint = NO_ENDPOINT;
|
|
dst_addr.device = GUINT32_TO_LE(tmp_addr);
|
|
dst_addr.endpoint = dst_endpoint = GUINT32_TO_LE(endpoint);
|
|
} else {
|
|
src_addr.device = GUINT32_TO_LE(tmp_addr);
|
|
src_addr.endpoint = src_endpoint = GUINT32_TO_LE(endpoint);
|
|
dst_addr.device = 0xffffffff;
|
|
dst_addr.endpoint = dst_endpoint = NO_ENDPOINT;
|
|
}
|
|
|
|
SET_ADDRESS(&pinfo->net_src, AT_USB, USB_ADDR_LEN, (char *)&src_addr);
|
|
SET_ADDRESS(&pinfo->src, AT_USB, USB_ADDR_LEN, (char *)&src_addr);
|
|
SET_ADDRESS(&pinfo->net_dst, AT_USB, USB_ADDR_LEN, (char *)&dst_addr);
|
|
SET_ADDRESS(&pinfo->dst, AT_USB, USB_ADDR_LEN, (char *)&dst_addr);
|
|
pinfo->ptype = PT_USB;
|
|
pinfo->srcport = src_endpoint;
|
|
pinfo->destport = dst_endpoint;
|
|
|
|
conversation = get_usb_conversation(pinfo, &pinfo->src, &pinfo->dst, pinfo->srcport, pinfo->destport);
|
|
|
|
usb_conv_info = get_usb_conv_info(conversation);
|
|
|
|
usb_conv_info->bus_id = bus_id;
|
|
usb_conv_info->device_address = device_address;
|
|
usb_conv_info->endpoint = endpoint;
|
|
|
|
if (endpoint_with_dir & URB_TRANSFER_IN) {
|
|
usb_conv_info->direction = P2P_DIR_RECV;
|
|
} else {
|
|
usb_conv_info->direction = P2P_DIR_SENT;
|
|
}
|
|
|
|
/* request/response matching so we can keep track of transaction specific
|
|
* data.
|
|
*/
|
|
if (is_request) {
|
|
/* this is a request */
|
|
usb_trans_info = (usb_trans_info_t *)wmem_tree_lookup32(usb_conv_info->transactions, pinfo->fd->num);
|
|
if (!usb_trans_info) {
|
|
usb_trans_info = wmem_new0(wmem_file_scope(), usb_trans_info_t);
|
|
usb_trans_info->request_in = pinfo->fd->num;
|
|
usb_trans_info->req_time = pinfo->fd->abs_ts;
|
|
usb_trans_info->header_len_64 = (header_info & USB_HEADER_IS_64_BYTES) ? TRUE : FALSE;
|
|
|
|
wmem_tree_insert32(usb_conv_info->transactions, pinfo->fd->num, usb_trans_info);
|
|
}
|
|
usb_conv_info->usb_trans_info = usb_trans_info;
|
|
|
|
if (usb_trans_info->response_in) {
|
|
proto_item *ti;
|
|
|
|
ti = proto_tree_add_uint(tree, hf_usb_response_in, tvb, 0, 0, usb_trans_info->response_in);
|
|
PROTO_ITEM_SET_GENERATED(ti);
|
|
}
|
|
} else {
|
|
/* this is a response */
|
|
if (pinfo->fd->flags.visited) {
|
|
usb_trans_info = (usb_trans_info_t *)wmem_tree_lookup32(usb_conv_info->transactions, pinfo->fd->num);
|
|
} else {
|
|
usb_trans_info = (usb_trans_info_t *)wmem_tree_lookup32_le(usb_conv_info->transactions, pinfo->fd->num);
|
|
if (usb_trans_info) {
|
|
usb_trans_info->response_in = pinfo->fd->num;
|
|
wmem_tree_insert32(usb_conv_info->transactions, pinfo->fd->num, usb_trans_info);
|
|
}
|
|
}
|
|
usb_conv_info->usb_trans_info = usb_trans_info;
|
|
|
|
if (usb_trans_info && usb_trans_info->request_in) {
|
|
proto_item *ti;
|
|
nstime_t t, deltat;
|
|
|
|
ti = proto_tree_add_uint(tree, hf_usb_request_in, tvb, 0, 0, usb_trans_info->request_in);
|
|
PROTO_ITEM_SET_GENERATED(ti);
|
|
|
|
t = pinfo->fd->abs_ts;
|
|
nstime_delta(&deltat, &t, &usb_trans_info->req_time);
|
|
ti = proto_tree_add_time(tree, hf_usb_time, tvb, 0, 0, &deltat);
|
|
PROTO_ITEM_SET_GENERATED(ti);
|
|
}
|
|
}
|
|
|
|
tap_data = wmem_new(wmem_packet_scope(), usb_tap_data_t);
|
|
tap_data->urb_type = urb_type;
|
|
tap_data->transfer_type = (guint8)type;
|
|
tap_data->conv_info = usb_conv_info;
|
|
tap_data->trans_info = usb_trans_info;
|
|
|
|
if (type != URB_CONTROL) {
|
|
tap_queue_packet(usb_tap, pinfo, tap_data);
|
|
}
|
|
|
|
|
|
|
|
switch(type) {
|
|
case URB_BULK:
|
|
case URB_INTERRUPT:
|
|
{
|
|
proto_item *item;
|
|
|
|
item = proto_tree_add_uint(tree, hf_usb_bInterfaceClass, tvb, 0, 0, usb_conv_info->interfaceClass);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
if (header_info & USB_HEADER_IS_LINUX) {
|
|
/* Skip setup/isochronous header - it's not applicable */
|
|
offset += 8;
|
|
|
|
/*
|
|
* If this has a 64-byte header, process the extra 16 bytes of
|
|
* pseudo-header information.
|
|
*/
|
|
if (header_info & USB_HEADER_IS_64_BYTES) {
|
|
offset = dissect_linux_usb_pseudo_header_ext(tvb, offset, pinfo, tree);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case URB_CONTROL:
|
|
{
|
|
const usb_setup_dissector_table_t *tmp;
|
|
usb_setup_dissector dissector;
|
|
proto_item *ti = NULL;
|
|
proto_tree *setup_tree = NULL;
|
|
int type_2;
|
|
|
|
if (is_request) {
|
|
if (setup_flag == 0) {
|
|
/* this is a request */
|
|
|
|
/* Dissect the setup header - it's applicable */
|
|
|
|
ti = proto_tree_add_protocol_format(parent, proto_usb, tvb, offset, 8, "URB setup");
|
|
setup_tree = proto_item_add_subtree(ti, usb_setup_hdr);
|
|
usb_trans_info->setup.requesttype = tvb_get_guint8(tvb, offset);
|
|
offset = dissect_usb_bmrequesttype(setup_tree, tvb, offset, &type_2);
|
|
|
|
|
|
/* read the request code and spawn off to a class specific
|
|
* dissector if found
|
|
*/
|
|
usb_trans_info->setup.request = tvb_get_guint8(tvb, offset);
|
|
usb_trans_info->setup.wValue = tvb_get_letohs(tvb, offset+1);
|
|
usb_trans_info->setup.wIndex = tvb_get_letohs(tvb, offset+3);
|
|
usb_trans_info->setup.wLength = tvb_get_letohs(tvb, offset+5);
|
|
|
|
if (type_2 != RQT_SETUP_TYPE_CLASS) {
|
|
tap_queue_packet(usb_tap, pinfo, tap_data);
|
|
}
|
|
|
|
switch (type_2) {
|
|
|
|
case RQT_SETUP_TYPE_STANDARD:
|
|
/*
|
|
* This is a standard request which is managed by this
|
|
* dissector
|
|
*/
|
|
proto_tree_add_item(setup_tree, hf_usb_request, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s Request",
|
|
val_to_str_ext(usb_trans_info->setup.request, &setup_request_names_vals_ext, "Unknown type %x"));
|
|
|
|
dissector = NULL;
|
|
for(tmp = setup_request_dissectors;tmp->dissector;tmp++) {
|
|
if (tmp->request == usb_trans_info->setup.request) {
|
|
dissector = tmp->dissector;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (dissector) {
|
|
offset = dissector(pinfo, setup_tree, tvb, offset, usb_trans_info,
|
|
usb_conv_info, bus_id, device_address);
|
|
} else {
|
|
proto_tree_add_item(setup_tree, hf_usb_value, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(setup_tree, hf_usb_index, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(setup_tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
}
|
|
break;
|
|
|
|
case RQT_SETUP_TYPE_CLASS:
|
|
/* Make sure we have the proper conversation */
|
|
if (USB_RECIPIENT(usb_trans_info->setup.requesttype) == RQT_SETUP_RECIPIENT_INTERFACE) {
|
|
guint8 interface_num = usb_trans_info->setup.wIndex & 0xff;
|
|
usb_conv_info = get_usb_iface_conv_info(pinfo, interface_num);
|
|
usb_conv_info->usb_trans_info = usb_trans_info;
|
|
} else if (USB_RECIPIENT(usb_trans_info->setup.requesttype) == RQT_SETUP_RECIPIENT_ENDPOINT) {
|
|
static address endpoint_addr;
|
|
endpoint = usb_trans_info->setup.wIndex & 0x0f;
|
|
|
|
dst_addr.endpoint = dst_endpoint = GUINT32_TO_LE(endpoint);
|
|
SET_ADDRESS(&endpoint_addr, AT_USB, USB_ADDR_LEN, (char *)&dst_addr);
|
|
|
|
conversation = get_usb_conversation(pinfo, &pinfo->src, &endpoint_addr, pinfo->srcport, dst_endpoint);
|
|
usb_conv_info = get_usb_conv_info(conversation);
|
|
usb_conv_info->usb_trans_info = usb_trans_info;
|
|
}
|
|
|
|
tap_data->conv_info = usb_conv_info;
|
|
tap_data->trans_info = usb_trans_info;
|
|
tap_queue_packet(usb_tap, pinfo, tap_data);
|
|
|
|
ti = proto_tree_add_uint(tree, hf_usb_bInterfaceClass, tvb, 0, 0, usb_conv_info->interfaceClass);
|
|
PROTO_ITEM_SET_GENERATED(ti);
|
|
|
|
/* Try to find a class specific dissector */
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
if (try_heuristics && dissector_try_heuristic(heur_control_subdissector_list, next_tvb, pinfo, setup_tree, usb_conv_info)) {
|
|
return;
|
|
}
|
|
if (dissector_try_uint_new(usb_control_dissector_table, usb_conv_info->interfaceClass, next_tvb, pinfo, setup_tree, TRUE, usb_conv_info)) {
|
|
return;
|
|
}
|
|
/* Else no class dissector, just display generic fields */
|
|
proto_tree_add_item(setup_tree, hf_usb_request_unknown_class, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
proto_tree_add_item(setup_tree, hf_usb_value, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(setup_tree, hf_usb_index, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(setup_tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_item(setup_tree, hf_usb_request_unknown_class, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
proto_tree_add_item(setup_tree, hf_usb_value, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(setup_tree, hf_usb_index, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(setup_tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
}
|
|
} else {
|
|
if (header_info & USB_HEADER_IS_LINUX) {
|
|
/* Skip setup/isochronous header - it's not applicable */
|
|
offset += 8;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If this has a 64-byte header, process the extra 16 bytes of
|
|
* pseudo-header information.
|
|
*/
|
|
if ((header_info & USB_HEADER_IS_LINUX) &&
|
|
(header_info & USB_HEADER_IS_64_BYTES)) {
|
|
offset = dissect_linux_usb_pseudo_header_ext(tvb, offset, pinfo, tree);
|
|
}
|
|
|
|
if (tvb_reported_length_remaining(tvb, offset) != 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
if (try_heuristics && dissector_try_heuristic(heur_control_subdissector_list, next_tvb, pinfo, parent, usb_conv_info)) {
|
|
return;
|
|
}
|
|
if (dissector_try_uint_new(usb_control_dissector_table, usb_conv_info->interfaceClass, next_tvb, pinfo, parent, TRUE, usb_conv_info)) {
|
|
return;
|
|
}
|
|
}
|
|
} else {
|
|
/* this is a response */
|
|
|
|
if (header_info & USB_HEADER_IS_LINUX) {
|
|
/* Skip setup header - it's never applicable for responses */
|
|
offset += 8;
|
|
}
|
|
|
|
/* Make sure we have the proper conversation */
|
|
if (usb_trans_info) {
|
|
if (USB_TYPE(usb_trans_info->setup.requesttype) == RQT_SETUP_TYPE_CLASS) {
|
|
if (USB_RECIPIENT(usb_trans_info->setup.requesttype) == RQT_SETUP_RECIPIENT_INTERFACE) {
|
|
guint8 interface_num = usb_trans_info->setup.wIndex & 0xff;
|
|
usb_conv_info = get_usb_iface_conv_info(pinfo, interface_num);
|
|
usb_conv_info->usb_trans_info = usb_trans_info;
|
|
} else if (USB_RECIPIENT(usb_trans_info->setup.requesttype) == RQT_SETUP_RECIPIENT_ENDPOINT) {
|
|
static address endpoint_addr;
|
|
endpoint = usb_trans_info->setup.wIndex & 0x0f;
|
|
|
|
src_addr.endpoint = src_endpoint = GUINT32_TO_LE(endpoint);
|
|
SET_ADDRESS(&endpoint_addr, AT_USB, USB_ADDR_LEN, (char *)&src_addr);
|
|
|
|
conversation = get_usb_conversation(pinfo, &endpoint_addr, &pinfo->dst, src_endpoint, pinfo->destport);
|
|
usb_conv_info = get_usb_conv_info(conversation);
|
|
usb_conv_info->usb_trans_info = usb_trans_info;
|
|
}
|
|
}
|
|
}
|
|
|
|
tap_data->conv_info = usb_conv_info;
|
|
tap_data->trans_info = usb_trans_info;
|
|
tap_queue_packet(usb_tap, pinfo, tap_data);
|
|
ti = proto_tree_add_uint(tree, hf_usb_bInterfaceClass, tvb, 0, 0, usb_conv_info->interfaceClass);
|
|
PROTO_ITEM_SET_GENERATED(ti);
|
|
|
|
/*
|
|
* If this has a 64-byte header, process the extra 16 bytes of
|
|
* pseudo-header information.
|
|
*/
|
|
if ((header_info & USB_HEADER_IS_LINUX) &&
|
|
(header_info & USB_HEADER_IS_64_BYTES)) {
|
|
offset = dissect_linux_usb_pseudo_header_ext(tvb, offset, pinfo, tree);
|
|
}
|
|
|
|
|
|
if (usb_trans_info) {
|
|
/* Check if this is status stage */
|
|
if ((header_info & USB_HEADER_IS_USBPCAP) &&
|
|
(usbpcap_control_stage == USB_CONTROL_STAGE_STATUS)) {
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s Status",
|
|
val_to_str_ext(usb_conv_info->usb_trans_info->setup.request,
|
|
&setup_request_names_vals_ext, "Unknown type %x"));
|
|
/* There is no data to dissect */
|
|
return;
|
|
}
|
|
|
|
/* Try to find a class specific dissector */
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
if (try_heuristics && dissector_try_heuristic(heur_control_subdissector_list, next_tvb, pinfo, parent, usb_conv_info)) {
|
|
return;
|
|
}
|
|
if (dissector_try_uint_new(usb_control_dissector_table, usb_conv_info->interfaceClass, next_tvb, pinfo, parent, TRUE, usb_conv_info)) {
|
|
return;
|
|
}
|
|
|
|
type_2 = USB_TYPE(usb_trans_info->setup.requesttype);
|
|
switch (type_2) {
|
|
|
|
case RQT_SETUP_TYPE_STANDARD:
|
|
/*
|
|
* This is a standard response which is managed by this
|
|
* dissector
|
|
*/
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s Response",
|
|
val_to_str_ext(usb_conv_info->usb_trans_info->setup.request,
|
|
&setup_request_names_vals_ext, "Unknown type %x"));
|
|
|
|
dissector = NULL;
|
|
for(tmp = setup_response_dissectors;tmp->dissector;tmp++) {
|
|
if (tmp->request == usb_conv_info->usb_trans_info->setup.request) {
|
|
dissector = tmp->dissector;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (dissector) {
|
|
offset = dissector(pinfo, parent, tvb, offset, usb_conv_info->usb_trans_info,
|
|
usb_conv_info, bus_id, device_address);
|
|
} else {
|
|
if (tvb_reported_length_remaining(tvb, offset) != 0) {
|
|
proto_tree_add_text(parent, tvb, offset, -1, "CONTROL response data");
|
|
offset += tvb_length_remaining(tvb, offset);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
if (tvb_reported_length_remaining(tvb, offset) != 0) {
|
|
proto_tree_add_text(parent, tvb, offset, -1, "CONTROL response data");
|
|
offset += tvb_length_remaining(tvb, offset);
|
|
}
|
|
break;
|
|
}
|
|
} else {
|
|
/* no matching request available */
|
|
if (tvb_reported_length_remaining(tvb, offset) != 0) {
|
|
proto_tree_add_text(parent, tvb, offset, -1, "CONTROL response data");
|
|
offset += tvb_length_remaining(tvb, offset);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case URB_ISOCHRONOUS:
|
|
if (header_info & USB_HEADER_IS_LINUX) {
|
|
guint32 iso_numdesc = 0;
|
|
proto_item *tii;
|
|
tii = proto_tree_add_uint(tree, hf_usb_bInterfaceClass, tvb, offset, 0, usb_conv_info->interfaceClass);
|
|
PROTO_ITEM_SET_GENERATED(tii);
|
|
/* All fields which belong to Linux usbmon headers are in host-endian
|
|
* byte order. The fields coming from the USB communication are in little
|
|
* endian format (see usb_20.pdf, chapter 8.1 Byte/Bit ordering).
|
|
*
|
|
* When a capture file is transfered to a host with different endianness
|
|
* than packet was captured then the necessary swapping happens in
|
|
* wiretap/pcap-common.c, pcap_process_linux_usb_pseudoheader().
|
|
*/
|
|
|
|
if (setup_flag == 0) {
|
|
proto_item *ti;
|
|
proto_tree *setup_tree;
|
|
int type_2;
|
|
|
|
/* Dissect the setup header - it's applicable */
|
|
|
|
ti = proto_tree_add_protocol_format(parent, proto_usb, tvb, offset, 8, "URB setup");
|
|
setup_tree = proto_item_add_subtree(ti, usb_setup_hdr);
|
|
|
|
offset = dissect_usb_bmrequesttype(setup_tree, tvb, offset, &type_2);
|
|
proto_tree_add_item(setup_tree, hf_usb_request, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
proto_tree_add_item(setup_tree, hf_usb_value, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(setup_tree, hf_usb_index, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(setup_tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
} else {
|
|
|
|
/* Process ISO related fields (usbmon_packet.iso). The fields are
|
|
* in host endian byte order so use tvb_memcopy() and
|
|
* proto_tree_add_uint() pair.
|
|
*/
|
|
guint32 val32;
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&val32, offset, 4);
|
|
proto_tree_add_uint(tree, hf_usb_iso_error_count, tvb, offset, 4, val32);
|
|
offset += 4;
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&iso_numdesc, offset, 4);
|
|
proto_tree_add_uint(tree, hf_usb_iso_numdesc, tvb, offset, 4, iso_numdesc);
|
|
offset += 4;
|
|
}
|
|
|
|
/*
|
|
* If this has a 64-byte header, process the extra 16 bytes of
|
|
* pseudo-header information.
|
|
*/
|
|
if (header_info & USB_HEADER_IS_64_BYTES) {
|
|
guint32 ndesc;
|
|
|
|
offset += 4; /* interval */
|
|
offset += 4; /* start_frame */
|
|
offset += 4; /* copy of URB's transfer flags */
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&ndesc, offset, 4);
|
|
offset += 4;
|
|
}
|
|
|
|
if (setup_flag != 0) {
|
|
proto_tree *urb_tree;
|
|
guint32 i;
|
|
unsigned int data_base;
|
|
guint32 iso_status;
|
|
guint32 iso_off;
|
|
guint32 iso_len;
|
|
guint32 iso_pad;
|
|
|
|
data_base = offset + iso_numdesc * 16;
|
|
urb_tree = tree;
|
|
for (i = 0; i != iso_numdesc; i++) {
|
|
/* Fetch ISO descriptor fields stored in host
|
|
* endian byte order.
|
|
*/
|
|
tvb_memcpy(tvb, (guint8 *)&iso_status, offset, 4);
|
|
tvb_memcpy(tvb, (guint8 *)&iso_off, offset+4, 4);
|
|
tvb_memcpy(tvb, (guint8 *)&iso_len, offset+8, 4);
|
|
|
|
if (parent) {
|
|
proto_item *ti;
|
|
if (iso_len > 0) {
|
|
ti = proto_tree_add_protocol_format(urb_tree, proto_usb, tvb, offset,
|
|
16, "USB isodesc %u [%s] (%u bytes)", i,
|
|
val_to_str_ext(iso_status, &usb_urb_status_vals_ext, "Error %d"), iso_len);
|
|
} else {
|
|
ti = proto_tree_add_protocol_format(urb_tree, proto_usb, tvb, offset,
|
|
16, "USB isodesc %u [%s]", i, val_to_str_ext(iso_status, &usb_urb_status_vals_ext, "Error %d"));
|
|
}
|
|
tree = proto_item_add_subtree(ti, usb_isodesc);
|
|
}
|
|
|
|
proto_tree_add_int(tree, hf_usb_iso_status, tvb, offset, 4, iso_status);
|
|
offset += 4;
|
|
|
|
proto_tree_add_uint(tree, hf_usb_iso_off, tvb, offset, 4, iso_off);
|
|
offset += 4;
|
|
|
|
proto_tree_add_uint(tree, hf_usb_iso_len, tvb, offset, 4, iso_len);
|
|
offset += 4;
|
|
|
|
/* When the ISO status is OK and there is ISO data and this ISO data is
|
|
* fully captured then show this data.
|
|
*/
|
|
if (!iso_status && iso_len && data_base + iso_off + iso_len <= tvb_length(tvb))
|
|
proto_tree_add_item(tree, hf_usb_iso_data, tvb, data_base + iso_off, iso_len, ENC_NA);
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&iso_pad, offset, 4);
|
|
proto_tree_add_uint(tree, hf_usb_iso_pad, tvb, offset, 4, iso_pad);
|
|
offset += 4;
|
|
}
|
|
}
|
|
} else if (header_info & USB_HEADER_IS_USBPCAP) {
|
|
guint32 num_packets;
|
|
guint32 i;
|
|
guint32 data_start_offset;
|
|
proto_tree *urb_tree;
|
|
|
|
/* 27 bytes of header were dissected in dissect_win32_usb_pseudo_header() */
|
|
data_start_offset = offset - 27 + hdr_len;
|
|
urb_tree = parent;
|
|
|
|
proto_tree_add_item(tree, hf_usb_win32_iso_start_frame, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
num_packets = tvb_get_letohl(tvb, offset);
|
|
proto_tree_add_item(tree, hf_usb_win32_iso_num_packets, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(tree, hf_usb_win32_iso_error_count, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
for (i = 0; i < num_packets; i++)
|
|
{
|
|
guint32 this_offset;
|
|
guint32 next_offset;
|
|
guint32 iso_len;
|
|
proto_item *ti;
|
|
|
|
if (parent) {
|
|
ti = proto_tree_add_protocol_format(urb_tree, proto_usb, tvb, offset,
|
|
12, "USB isochronous packet");
|
|
tree = proto_item_add_subtree(ti, usb_win32_iso_packet);
|
|
}
|
|
|
|
this_offset = tvb_get_letohl(tvb, offset);
|
|
if (num_packets - i == 1) {
|
|
/* this is the last packet */
|
|
next_offset = win32_data_len;
|
|
} else {
|
|
/* there is next packet */
|
|
next_offset = tvb_get_letohl(tvb, offset + 12);
|
|
}
|
|
|
|
if (next_offset > this_offset) {
|
|
iso_len = next_offset - this_offset;
|
|
} else {
|
|
iso_len = 0;
|
|
}
|
|
|
|
/* If this packet does not contain isochrounous data, do not try to display it */
|
|
if (!((is_request && !(endpoint_with_dir & URB_TRANSFER_IN)) ||
|
|
(!is_request && (endpoint_with_dir & URB_TRANSFER_IN)))) {
|
|
iso_len = 0;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_usb_win32_iso_offset, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
ti = proto_tree_add_item(tree, hf_usb_win32_iso_length, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
if (!(endpoint_with_dir & URB_TRANSFER_IN)) {
|
|
/* Isochronous OUT transfer */
|
|
proto_item_append_text(ti, " (not used)");
|
|
} else {
|
|
/* Isochronous IN transfer.
|
|
* Length field is being set by host controller.
|
|
*/
|
|
if (is_request) {
|
|
/* Length was not yet set */
|
|
proto_item_append_text(ti, " (irrelevant)");
|
|
} else {
|
|
/* Length was set and (should be) valid */
|
|
proto_item_append_text(ti, " (relevant)");
|
|
iso_len = tvb_get_letohl(tvb, offset);
|
|
}
|
|
}
|
|
offset += 4;
|
|
|
|
ti = proto_tree_add_item(tree, hf_usb_win32_iso_status, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
if (urb_type == URB_SUBMIT) {
|
|
proto_item_append_text(ti, " (irrelevant)");
|
|
} else {
|
|
proto_item_append_text(ti, " (relevant)");
|
|
}
|
|
offset += 4;
|
|
|
|
if (iso_len && data_start_offset + this_offset + iso_len <= tvb_length(tvb))
|
|
proto_tree_add_item(tree, hf_usb_iso_data, tvb, (gint)(data_start_offset + this_offset), (gint)iso_len, ENC_NA);
|
|
}
|
|
if ((is_request && !(endpoint_with_dir & URB_TRANSFER_IN)) ||
|
|
(!is_request && (endpoint_with_dir & URB_TRANSFER_IN))) {
|
|
/* We have dissected all the isochronous data */
|
|
offset += win32_data_len;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/* dont know */
|
|
if (setup_flag == 0) {
|
|
proto_item *ti;
|
|
proto_tree *setup_tree;
|
|
int type_2;
|
|
|
|
/* Dissect the setup header - it's applicable */
|
|
|
|
ti = proto_tree_add_protocol_format(parent, proto_usb, tvb, offset, 8, "URB setup");
|
|
setup_tree = proto_item_add_subtree(ti, usb_setup_hdr);
|
|
|
|
offset = dissect_usb_bmrequesttype(setup_tree, tvb, offset, &type_2);
|
|
proto_tree_add_item(setup_tree, hf_usb_request, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
offset += 1;
|
|
proto_tree_add_item(setup_tree, hf_usb_value, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(setup_tree, hf_usb_index, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(setup_tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
} else {
|
|
if (header_info & USB_HEADER_IS_LINUX) {
|
|
/* Skip setup/isochronous header - it's not applicable */
|
|
offset += 8;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If this has a 64-byte header, process the extra 16 bytes of
|
|
* pseudo-header information.
|
|
*/
|
|
if ((header_info & USB_HEADER_IS_LINUX) &&
|
|
(header_info & USB_HEADER_IS_64_BYTES)) {
|
|
offset = dissect_linux_usb_pseudo_header_ext(tvb, offset, pinfo, tree);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
k_frame_number = pinfo->fd->num;
|
|
k_device_address = device_address;
|
|
k_bus_id = bus_id;
|
|
|
|
key[0].length = 1;
|
|
key[0].key = &k_device_address;
|
|
key[1].length = 1;
|
|
key[1].key = &k_bus_id;
|
|
key[2].length = 1;
|
|
key[2].key = &k_frame_number;
|
|
key[3].length = 0;
|
|
key[3].key = NULL;
|
|
|
|
device_product_data = (device_product_data_t *) wmem_tree_lookup32_array_le(device_to_product_table, key);
|
|
if (device_product_data && device_product_data->bus_id == bus_id &&
|
|
device_product_data->device_address == device_address) {
|
|
p_add_proto_data(pinfo->pool, pinfo, proto_usb, USB_VENDOR_ID, GUINT_TO_POINTER((guint)device_product_data->vendor));
|
|
p_add_proto_data(pinfo->pool, pinfo, proto_usb, USB_PRODUCT_ID, GUINT_TO_POINTER((guint)device_product_data->product));
|
|
} else {
|
|
device_product_data = NULL;
|
|
}
|
|
|
|
device_protocol_data = (device_protocol_data_t *) wmem_tree_lookup32_array_le(device_to_protocol_table, key);
|
|
if (device_protocol_data && device_protocol_data->bus_id == bus_id &&
|
|
device_protocol_data->device_address == device_address) {
|
|
p_add_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_CLASS, GUINT_TO_POINTER(device_protocol_data->protocol >> 16));
|
|
p_add_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_SUBCLASS, GUINT_TO_POINTER((device_protocol_data->protocol >> 8) & 0xFF));
|
|
p_add_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_PROTOCOL, GUINT_TO_POINTER(device_protocol_data->protocol & 0xFF));
|
|
} else {
|
|
device_protocol_data = NULL;
|
|
}
|
|
|
|
p_add_proto_data(pinfo->pool, pinfo, proto_usb, USB_BUS_ID, GUINT_TO_POINTER(bus_id));
|
|
p_add_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_ADDRESS, GUINT_TO_POINTER(device_address));
|
|
|
|
/* try dissect by "usb.product" */
|
|
if (!dissector_try_uint_new(device_to_dissector, (guint32) (bus_id << 8 | device_address), next_tvb, pinfo, parent, FALSE, usb_conv_info)) {
|
|
k_frame_number = pinfo->fd->num;
|
|
k_device_address = device_address;
|
|
k_bus_id = bus_id;
|
|
|
|
key[0].length = 1;
|
|
key[0].key = &k_device_address;
|
|
key[1].length = 1;
|
|
key[1].key = &k_bus_id;
|
|
key[2].length = 1;
|
|
key[2].key = &k_frame_number;
|
|
key[3].length = 0;
|
|
key[3].key = NULL;
|
|
|
|
/* try dissect by "usb.protocol" */
|
|
if (!device_protocol_data)
|
|
device_protocol_data = (device_protocol_data_t *)wmem_tree_lookup32_array_le(device_to_protocol_table, key);
|
|
if (device_protocol_data && device_protocol_data->bus_id == bus_id &&
|
|
device_protocol_data->device_address == device_address &&
|
|
dissector_try_uint_new(protocol_to_dissector, (guint32) device_protocol_data->protocol, next_tvb, pinfo, parent, FALSE, usb_conv_info)) {
|
|
offset += tvb_length(next_tvb);
|
|
} else { /* try dissect by "usb.device" */
|
|
if (!device_product_data)
|
|
device_product_data = (device_product_data_t *)wmem_tree_lookup32_array_le(device_to_product_table, key);
|
|
if (device_product_data && device_product_data->bus_id == bus_id &&
|
|
device_product_data->device_address == device_address &&
|
|
dissector_try_uint_new(product_to_dissector, (guint32) (device_product_data->vendor << 16 | device_product_data->product),
|
|
next_tvb, pinfo, parent, FALSE, usb_conv_info)) {
|
|
offset += tvb_length(next_tvb);
|
|
} else { /* try dissect by "usb.[bulk | interrupt] "*/
|
|
switch(type) {
|
|
case URB_BULK:
|
|
case URB_INTERRUPT:
|
|
if (tvb_reported_length_remaining(tvb, offset)) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
if (try_heuristics && dissector_try_heuristic((type == URB_BULK) ? heur_bulk_subdissector_list : heur_interrupt_subdissector_list, next_tvb, pinfo, parent, usb_conv_info)) {
|
|
return;
|
|
}
|
|
else if (dissector_try_uint_new((type == URB_BULK) ? usb_bulk_dissector_table : usb_interrupt_dissector_table, usb_conv_info->interfaceClass, next_tvb, pinfo, parent, TRUE, usb_conv_info)) {
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
offset += tvb_length(next_tvb);
|
|
}
|
|
|
|
if (tvb_reported_length_remaining(tvb, offset) != 0) {
|
|
/* There is leftover capture data to add (padding?) */
|
|
proto_tree_add_item(parent, hf_usb_capdata, tvb, offset, -1, ENC_NA);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_linux_usb(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent)
|
|
{
|
|
dissect_usb_common(tvb, pinfo, parent, USB_HEADER_IS_LINUX);
|
|
}
|
|
|
|
static void
|
|
dissect_linux_usb_mmapped(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent)
|
|
{
|
|
dissect_usb_common(tvb, pinfo, parent, USB_HEADER_IS_LINUX | USB_HEADER_IS_64_BYTES);
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_win32_usb(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent)
|
|
{
|
|
dissect_usb_common(tvb, pinfo, parent, USB_HEADER_IS_USBPCAP);
|
|
}
|
|
|
|
void
|
|
proto_register_usb(void)
|
|
{
|
|
module_t *usb_module;
|
|
static hf_register_info hf[] = {
|
|
|
|
/* USB packet pseudoheader members */
|
|
{ &hf_usb_urb_id,
|
|
{ "URB id", "usb.urb_id",
|
|
FT_UINT64, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_urb_type,
|
|
{ "URB type", "usb.urb_type",
|
|
FT_UINT8, BASE_DEC, VALS(usb_urb_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_transfer_type,
|
|
{ "URB transfer type", "usb.transfer_type",
|
|
FT_UINT8, BASE_HEX, VALS(usb_transfer_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_endpoint_number,
|
|
{ "Endpoint", "usb.endpoint_number",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
"USB endpoint number", HFILL }},
|
|
|
|
{ &hf_usb_endpoint_direction,
|
|
{ "Direction", "usb.endpoint_number.direction",
|
|
FT_UINT8, BASE_DEC, VALS(usb_endpoint_direction_vals), 0x80,
|
|
"USB endpoint direction", HFILL }},
|
|
|
|
{ &hf_usb_endpoint_number_value,
|
|
{ "Endpoint value", "usb.endpoint_number.endpoint",
|
|
FT_UINT8, BASE_DEC, NULL, 0x7F,
|
|
"USB endpoint value", HFILL }},
|
|
|
|
{ &hf_usb_device_address,
|
|
{ "Device", "usb.device_address",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"USB device address", HFILL }},
|
|
|
|
{ &hf_usb_bus_id,
|
|
{ "URB bus id", "usb.bus_id",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_setup_flag,
|
|
{ "Device setup request", "usb.setup_flag",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"USB device setup request is relevant (0) or not", HFILL }},
|
|
|
|
{ &hf_usb_data_flag,
|
|
{ "Data", "usb.data_flag",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"USB data is present (0) or not", HFILL }},
|
|
|
|
{ &hf_usb_urb_ts_sec,
|
|
{ "URB sec", "usb.urb_ts_sec",
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_urb_ts_usec,
|
|
{ "URB usec", "usb.urb_ts_usec",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_urb_status,
|
|
{ "URB status", "usb.urb_status",
|
|
FT_INT32, BASE_DEC|BASE_EXT_STRING, &usb_urb_status_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_urb_len,
|
|
{ "URB length [bytes]", "usb.urb_len",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"URB length in bytes", HFILL }},
|
|
|
|
{ &hf_usb_urb_data_len,
|
|
{ "Data length [bytes]", "usb.data_len",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"URB data length in bytes", HFILL }},
|
|
|
|
/* Win32 USBPcap pseudoheader */
|
|
{ &hf_usb_win32_header_len,
|
|
{ "USBPcap pseudoheader length", "usb.usbpcap_header_len",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_irp_id,
|
|
{ "IRP ID", "usb.irp_id",
|
|
FT_UINT64, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_usbd_status,
|
|
{ "IRP USBD_STATUS", "usb.usbd_status",
|
|
FT_UINT32, BASE_HEX | BASE_EXT_STRING, &win32_usbd_status_vals_ext, 0x0,
|
|
"USB request status value", HFILL }},
|
|
|
|
{ &hf_usb_function,
|
|
{ "URB Function", "usb.function",
|
|
FT_UINT16, BASE_HEX|BASE_EXT_STRING, &win32_urb_function_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_info,
|
|
{ "IRP information", "usb.irp_info",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_usbpcap_info_reserved,
|
|
{ "Reserved", "usb.irp_info.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0xFE,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_usbpcap_info_direction,
|
|
{ "Direction", "usb.irp_info.direction",
|
|
FT_UINT8, BASE_HEX, VALS(win32_usb_info_direction_vals), 0x01,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_win32_device_address,
|
|
{ "Device address", "usb.device_address",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"Windows USB device address", HFILL }},
|
|
|
|
{ &hf_usb_win32_data_len,
|
|
{ "Packet Data Length", "usb.data_len",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_control_stage,
|
|
{ "Control transfer stage", "usb.control_stage",
|
|
FT_UINT8, BASE_DEC, VALS(usb_control_stage_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_win32_iso_start_frame,
|
|
{ "Isochronous transfer start frame", "usb.win32.iso_frame",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_win32_iso_num_packets,
|
|
{ "Isochronous transfer number of packets", "usb.win32.iso_num_packets",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_win32_iso_error_count,
|
|
{ "Isochronous transfer error count", "usb.win32.iso_error_count",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_win32_iso_offset,
|
|
{ "ISO Data offset", "usb.win32.iso_offset",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_win32_iso_length,
|
|
{ "ISO Data length", "usb.win32.iso_data_len",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_win32_iso_status,
|
|
{ "ISO USBD status", "usb.win32.iso_status",
|
|
FT_UINT32, BASE_HEX | BASE_EXT_STRING, &win32_usbd_status_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
|
|
{ &hf_usb_bmRequestType,
|
|
{ "bmRequestType", "usb.bmRequestType",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_request,
|
|
{ "bRequest", "usb.setup.bRequest",
|
|
FT_UINT8, BASE_DEC | BASE_EXT_STRING, &setup_request_names_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
/* Same as hf_usb_request but no descriptive text */
|
|
{ &hf_usb_request_unknown_class,
|
|
{ "bRequest", "usb.setup.bRequest",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_value,
|
|
{ "wValue", "usb.setup.wValue",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_index,
|
|
{ "wIndex", "usb.setup.wIndex",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_length,
|
|
{ "wLength", "usb.setup.wLength",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_wFeatureSelector,
|
|
{ "wFeatureSelector", "usb.setup.wFeatureSelector",
|
|
FT_UINT16, BASE_DEC, VALS(usb_feature_selector_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_wInterface,
|
|
{ "wInterface", "usb.setup.wInterface",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_wStatus,
|
|
{ "wStatus", "usb.setup.wStatus",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_wFrameNumber,
|
|
{ "wFrameNumber", "usb.setup.wFrameNumber",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
/* --------------------------------- */
|
|
{ &hf_usb_iso_error_count, /* host endian byte order */
|
|
{ "ISO error count", "usb.iso.error_count",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_iso_numdesc, /* host endian byte order */
|
|
{ "Number of ISO descriptors", "usb.iso.numdesc",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
/* fields of struct mon_bin_isodesc from linux/drivers/usb/mon/mon_bin.c */
|
|
{ &hf_usb_iso_status, /* host endian byte order */
|
|
{ "Status", "usb.iso.iso_status",
|
|
FT_INT32, BASE_DEC|BASE_EXT_STRING, &usb_urb_status_vals_ext, 0x0,
|
|
"ISO descriptor status", HFILL }},
|
|
|
|
{ &hf_usb_iso_off, /* host endian byte order */
|
|
{ "Offset [bytes]", "usb.iso.iso_off",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"ISO data offset in bytes starting from the end of the last ISO descriptor", HFILL }},
|
|
|
|
{ &hf_usb_iso_len, /* host endian byte order */
|
|
{ "Length [bytes]", "usb.iso.iso_len",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
"ISO data length in bytes", HFILL }},
|
|
|
|
{ &hf_usb_iso_pad, /* host endian byte order */
|
|
{ "Padding", "usb.iso.pad",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
"Padding field of ISO descriptor structure", HFILL }},
|
|
|
|
{ &hf_usb_iso_data,
|
|
{"ISO Data", "usb.iso.data",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
/* --------------------------------- */
|
|
#if 0
|
|
{ &hf_usb_data_len,
|
|
{"Application Data Length", "usb.data.length",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
#endif
|
|
|
|
{ &hf_usb_capdata,
|
|
{"Leftover Capture Data", "usb.capdata",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"Padding added by the USB capture system", HFILL }},
|
|
|
|
{ &hf_usb_bmRequestType_direction,
|
|
{ "Direction", "usb.bmRequestType.direction",
|
|
FT_BOOLEAN, 8, TFS(&tfs_bmrequesttype_direction), USB_DIR_IN,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bmRequestType_type,
|
|
{ "Type", "usb.bmRequestType.type",
|
|
FT_UINT8, BASE_HEX, VALS(bmrequesttype_type_vals), USB_TYPE_MASK,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bmRequestType_recipient,
|
|
{ "Recipient", "usb.bmRequestType.recipient",
|
|
FT_UINT8, BASE_HEX, VALS(bmrequesttype_recipient_vals), 0x1f,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bDescriptorType,
|
|
{ "bDescriptorType", "usb.bDescriptorType",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_descriptor_index,
|
|
{ "Descriptor Index", "usb.DescriptorIndex",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_language_id,
|
|
{ "Language Id", "usb.LanguageId",
|
|
FT_UINT16, BASE_HEX|BASE_EXT_STRING,&usb_langid_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bLength,
|
|
{ "bLength", "usb.bLength",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bcdUSB,
|
|
{ "bcdUSB", "usb.bcdUSB",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bDeviceClass,
|
|
{ "bDeviceClass", "usb.bDeviceClass",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &usb_class_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bDeviceSubClass,
|
|
{ "bDeviceSubClass", "usb.bDeviceSubClass",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bDeviceProtocol,
|
|
{ "bDeviceProtocol", "usb.bDeviceProtocol",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bMaxPacketSize0,
|
|
{ "bMaxPacketSize0", "usb.bMaxPacketSize0",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_idVendor,
|
|
{ "idVendor", "usb.idVendor",
|
|
FT_UINT16, BASE_HEX | BASE_EXT_STRING, &ext_usb_vendors_vals, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_idProduct,
|
|
{ "idProduct", "usb.idProduct",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bcdDevice,
|
|
{ "bcdDevice", "usb.bcdDevice",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_iManufacturer,
|
|
{ "iManufacturer", "usb.iManufacturer",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_iProduct,
|
|
{ "iProduct", "usb.iProduct",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_iSerialNumber,
|
|
{ "iSerialNumber", "usb.iSerialNumber",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bNumConfigurations,
|
|
{ "bNumConfigurations", "usb.bNumConfigurations",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_wLANGID,
|
|
{ "wLANGID", "usb.wLANGID",
|
|
FT_UINT16, BASE_HEX|BASE_EXT_STRING,&usb_langid_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bString,
|
|
{ "bString", "usb.bString",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceNumber,
|
|
{ "bInterfaceNumber", "usb.bInterfaceNumber",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bAlternateSetting,
|
|
{ "bAlternateSetting", "usb.bAlternateSetting",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bNumEndpoints,
|
|
{ "bNumEndpoints", "usb.bNumEndpoints",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceClass,
|
|
{ "bInterfaceClass", "usb.bInterfaceClass",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &usb_class_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceSubClass,
|
|
{ "bInterfaceSubClass", "usb.bInterfaceSubClass",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceSubClass_cdc,
|
|
{ "bInterfaceSubClass", "usb.bInterfaceSubClass",
|
|
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &ext_usb_com_subclass_vals, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceSubClass_hid,
|
|
{ "bInterfaceSubClass", "usb.bInterfaceSubClass",
|
|
FT_UINT8, BASE_HEX, VALS(usb_hid_subclass_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceProtocol,
|
|
{ "bInterfaceProtocol", "usb.bInterfaceProtocol",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceProtocol_cdc,
|
|
{ "bInterfaceProtocol", "usb.bInterfaceProtocol",
|
|
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &usb_cdc_protocol_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceProtocol_cdc_data,
|
|
{ "bInterfaceProtocol", "usb.bInterfaceProtocol",
|
|
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &usb_cdc_data_protocol_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceProtocol_hid_boot,
|
|
{ "bInterfaceProtocol", "usb.bInterfaceProtocol",
|
|
FT_UINT8, BASE_HEX, VALS(usb_hid_boot_protocol_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_iInterface,
|
|
{ "iInterface", "usb.iInterface",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bEndpointAddress,
|
|
{ "bEndpointAddress", "usb.bEndpointAddress",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_configuration_bmAttributes,
|
|
{ "Configuration bmAttributes", "usb.configuration.bmAttributes",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bmAttributes,
|
|
{ "bmAttributes", "usb.bmAttributes",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bEndpointAttributeTransfer,
|
|
{ "Transfertype", "usb.bmAttributes.transfer",
|
|
FT_UINT8, BASE_HEX, VALS(usb_bmAttributes_transfer_vals), 0x03,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bEndpointAttributeSynchonisation,
|
|
{ "Synchronisationtype", "usb.bmAttributes.sync",
|
|
FT_UINT8, BASE_HEX, VALS(usb_bmAttributes_sync_vals), 0x0c,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bEndpointAttributeBehaviour,
|
|
{ "Behaviourtype", "usb.bmAttributes.behaviour",
|
|
FT_UINT8, BASE_HEX, VALS(usb_bmAttributes_behaviour_vals), 0x30,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_wMaxPacketSize,
|
|
{ "wMaxPacketSize", "usb.wMaxPacketSize",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_wMaxPacketSize_size,
|
|
{ "Maximum Packet Size", "usb.wMaxPacketSize.size",
|
|
FT_UINT16, BASE_DEC, NULL, 0x3FF,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_wMaxPacketSize_slots,
|
|
{ "Transactions per microframe", "usb.wMaxPacketSize.slots",
|
|
FT_UINT16, BASE_DEC, VALS(usb_wMaxPacketSize_slots_vals), (3<<11),
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterval,
|
|
{ "bInterval", "usb.bInterval",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_wTotalLength,
|
|
{ "wTotalLength", "usb.wTotalLength",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bNumInterfaces,
|
|
{ "bNumInterfaces", "usb.bNumInterfaces",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bConfigurationValue,
|
|
{ "bConfigurationValue", "usb.bConfigurationValue",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_iConfiguration,
|
|
{ "iConfiguration", "usb.iConfiguration",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bMaxPower,
|
|
{ "bMaxPower", "usb.bMaxPower",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_configuration_legacy10buspowered,
|
|
{ "Must be 1", "usb.configuration.legacy10buspowered",
|
|
FT_BOOLEAN, 8, TFS(&tfs_mustbeone), 0x80,
|
|
"Legacy USB 1.0 bus powered", HFILL }},
|
|
|
|
{ &hf_usb_configuration_selfpowered,
|
|
{ "Self-Powered", "usb.configuration.selfpowered",
|
|
FT_BOOLEAN, 8, TFS(&tfs_selfpowered), 0x40,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_configuration_remotewakeup,
|
|
{ "Remote Wakeup", "usb.configuration.remotewakeup",
|
|
FT_BOOLEAN, 8, TFS(&tfs_remotewakeup), 0x20,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bEndpointAddress_number,
|
|
{ "Endpoint Number", "usb.bEndpointAddress.number",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0f,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bEndpointAddress_direction,
|
|
{ "Direction", "usb.bEndpointAddress.direction",
|
|
FT_BOOLEAN, 8, TFS(&tfs_endpoint_direction), 0x80,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_request_in,
|
|
{ "Request in", "usb.request_in",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0,
|
|
"The request to this packet is in this packet", HFILL }},
|
|
|
|
{ &hf_usb_time,
|
|
{ "Time from request", "usb.time",
|
|
FT_RELATIVE_TIME, BASE_NONE, NULL, 0,
|
|
"Time between Request and Response for USB cmds", HFILL }},
|
|
|
|
{ &hf_usb_response_in,
|
|
{ "Response in", "usb.response_in",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0,
|
|
"The response to this packet is in this packet", HFILL }},
|
|
|
|
{ &hf_usb_bFirstInterface,
|
|
{ "bFirstInterface", "usb.bFirstInterface",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceCount,
|
|
{ "bInterfaceCount",
|
|
"usb.bInterfaceCount", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
|
|
{ &hf_usb_bFunctionClass,
|
|
{ "bFunctionClass", "usb.bFunctionClass",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &usb_class_vals_ext, 0x0, NULL, HFILL }},
|
|
|
|
{ &hf_usb_bFunctionSubClass,
|
|
{ "bFunctionSubClass",
|
|
"usb.bFunctionSubClass", FT_UINT8, BASE_HEX,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
|
|
{ &hf_usb_bFunctionProtocol,
|
|
{ "bFunctionProtocol", "usb.bFunctionProtocol",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }},
|
|
|
|
{ &hf_usb_iFunction,
|
|
{ "iFunction",
|
|
"usb.iFunction", FT_UINT8, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
};
|
|
|
|
static gint *usb_subtrees[] = {
|
|
&usb_hdr,
|
|
&usb_setup_hdr,
|
|
&usb_isodesc,
|
|
&usb_win32_iso_packet,
|
|
&ett_usb_endpoint,
|
|
&ett_usb_setup_bmrequesttype,
|
|
&ett_usb_usbpcap_info,
|
|
&ett_descriptor_device,
|
|
&ett_configuration_bmAttributes,
|
|
&ett_configuration_bEndpointAddress,
|
|
&ett_endpoint_bmAttributes,
|
|
&ett_endpoint_wMaxPacketSize
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_usb_bLength_even, { "usb.bLength.even", PI_PROTOCOL, PI_WARN, "Invalid STRING DESCRIPTOR Length (must be even)", EXPFILL }},
|
|
{ &ei_usb_bLength_too_short, { "usb.bLength.too_short", PI_MALFORMED, PI_ERROR, "Invalid STRING DESCRIPTOR Length (must be 2 or larger)", EXPFILL }},
|
|
{ &ei_usb_desc_length_invalid, { "usb.desc_length.invalid", PI_MALFORMED, PI_ERROR, "Invalid descriptor length", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t* expert_usb;
|
|
|
|
expert_usb = expert_register_protocol(proto_usb);
|
|
expert_register_field_array(expert_usb, ei, array_length(ei));
|
|
|
|
device_to_product_table = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
|
|
device_to_protocol_table = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
|
|
device_to_dissector = register_dissector_table("usb.device", "USB device", FT_UINT32, BASE_HEX);
|
|
protocol_to_dissector = register_dissector_table("usb.protocol", "USB protocol", FT_UINT32, BASE_HEX);
|
|
product_to_dissector = register_dissector_table("usb.product", "USB product", FT_UINT32, BASE_HEX);
|
|
|
|
proto_usb = proto_register_protocol("USB", "USB", "usb");
|
|
proto_register_field_array(proto_usb, hf, array_length(hf));
|
|
proto_register_subtree_array(usb_subtrees, array_length(usb_subtrees));
|
|
linux_usb_handle = register_dissector("usb", dissect_linux_usb, proto_usb);
|
|
|
|
usb_bulk_dissector_table = register_dissector_table("usb.bulk",
|
|
"USB bulk endpoint", FT_UINT8, BASE_DEC);
|
|
register_heur_dissector_list("usb.bulk", &heur_bulk_subdissector_list);
|
|
usb_control_dissector_table = register_dissector_table("usb.control",
|
|
"USB control endpoint", FT_UINT8, BASE_DEC);
|
|
register_heur_dissector_list("usb.control", &heur_control_subdissector_list);
|
|
usb_interrupt_dissector_table = register_dissector_table("usb.interrupt",
|
|
"USB interrupt endpoint", FT_UINT8, BASE_DEC);
|
|
register_heur_dissector_list("usb.interrupt", &heur_interrupt_subdissector_list);
|
|
usb_descriptor_dissector_table = register_dissector_table("usb.descriptor",
|
|
"USB descriptor", FT_UINT8, BASE_DEC);
|
|
|
|
usb_module = prefs_register_protocol(proto_usb, NULL);
|
|
prefs_register_bool_preference(usb_module, "try_heuristics",
|
|
"Try heuristic sub-dissectors",
|
|
"Try to decode a packet using a heuristic sub-dissector before "
|
|
"attempting to dissect the packet using the \"usb.bulk\", \"usb.interrupt\" or "
|
|
"\"usb.control\" dissector tables.", &try_heuristics);
|
|
|
|
usb_tap = register_tap("usb");
|
|
|
|
register_decode_as(&usb_protocol_da);
|
|
register_decode_as(&usb_product_da);
|
|
register_decode_as(&usb_device_da);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_usb(void)
|
|
{
|
|
dissector_handle_t linux_usb_mmapped_handle;
|
|
dissector_handle_t win32_usb_handle;
|
|
|
|
linux_usb_mmapped_handle = create_dissector_handle(dissect_linux_usb_mmapped,
|
|
proto_usb);
|
|
win32_usb_handle = create_dissector_handle(dissect_win32_usb, proto_usb);
|
|
|
|
dissector_add_uint("wtap_encap", WTAP_ENCAP_USB_LINUX, linux_usb_handle);
|
|
dissector_add_uint("wtap_encap", WTAP_ENCAP_USB_LINUX_MMAPPED, linux_usb_mmapped_handle);
|
|
dissector_add_uint("wtap_encap", WTAP_ENCAP_USBPCAP, win32_usb_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
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*/
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