forked from osmocom/wireshark
4565 lines
169 KiB
C
4565 lines
169 KiB
C
/* packet-usb.c
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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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* https://github.com/torvalds/linux/blob/master/Documentation/usb/usbmon.txt
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*
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* http://desowin.org/usbpcap/captureformat.html
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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 <epan/packet.h>
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#include <epan/exceptions.h>
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#include <epan/addr_resolv.h>
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#include <epan/conversation_table.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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/* 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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static int hf_usb_urb_unused_setup_header = -1;
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static int hf_usb_urb_interval = -1;
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static int hf_usb_urb_start_frame = -1;
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static int hf_usb_urb_copy_of_transfer_flags = -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_device_wFeatureSelector = -1;
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static int hf_usb_interface_wFeatureSelector = -1;
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static int hf_usb_endpoint_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_control_response_generic = -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_get_descriptor_resp_generic = -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_bInterfaceSubClass_app = -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_bInterfaceProtocol_app_dfu = -1;
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static int hf_usb_bInterfaceProtocol_app_irda = -1;
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static int hf_usb_bInterfaceProtocol_app_usb_test_and_measurement = -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 int hf_usb_data_fragment = -1;
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static int hf_usb_src = -1;
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static int hf_usb_dst = -1;
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static int hf_usb_addr = -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 expert_field ei_usb_invalid_setup = 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_handle_t data_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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typedef struct _usb_alt_setting_t {
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guint8 altSetting;
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guint8 interfaceClass;
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guint8 interfaceSubclass;
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guint8 interfaceProtocol;
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} usb_alt_setting_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)"},
|
|
{0xf4ff, "HID (Vendor Defined 2)"},
|
|
{0xf8ff, "HID (Vendor Defined 3)"},
|
|
{0xfcff, "HID (Vendor Defined 4)"},
|
|
{0, NULL}
|
|
};
|
|
value_string_ext usb_langid_vals_ext = VALUE_STRING_EXT_INIT(usb_langid_vals);
|
|
|
|
static const value_string usb_class_vals[] = {
|
|
{IF_CLASS_DEVICE, "Device"},
|
|
{IF_CLASS_AUDIO, "Audio"},
|
|
{IF_CLASS_COMMUNICATIONS, "Communications and CDC Control"},
|
|
{IF_CLASS_HID, "HID"},
|
|
{IF_CLASS_PHYSICAL, "Physical"},
|
|
{IF_CLASS_IMAGE, "Imaging"},
|
|
{IF_CLASS_PRINTER, "Printer"},
|
|
{IF_CLASS_MASS_STORAGE, "Mass Storage"},
|
|
{IF_CLASS_HUB, "Hub"},
|
|
{IF_CLASS_CDC_DATA, "CDC-Data"},
|
|
{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
|
|
|
|
/* There are only Standard Descriptor Types, Class-specific types are
|
|
provided by "usb.descriptor" descriptors table*/
|
|
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"},
|
|
{ 0x0F, "BOS"},
|
|
{ 0x10, "DEVICE CAPABILITY"},
|
|
{ 0x30, "SUPERSPEED USB ENDPOINT COMPANION"},
|
|
{ 0x31, "SUPERSPEED PLUS ISOCHRONOUS ENDPOINT COMPANION"},
|
|
{0,NULL}
|
|
};
|
|
static value_string_ext std_descriptor_type_vals_ext =
|
|
VALUE_STRING_EXT_INIT(std_descriptor_type_vals);
|
|
|
|
/*
|
|
* Feature selectors.
|
|
* Per USB 3.1 spec, Table 9-7
|
|
*/
|
|
#define USB_FS_ENDPOINT_HALT 0
|
|
#define USB_FS_FUNCTION_SUSPEND 0 /* same as ENDPOINT_HALT */
|
|
#define USB_FS_DEVICE_REMOTE_WAKEUP 1
|
|
#define USB_FS_TEST_MODE 2
|
|
#define USB_FS_B_HNP_ENABLE 3
|
|
#define USB_FS_A_HNP_SUPPORT 4
|
|
#define USB_FS_A_ALT_HNP_SUPPORT 5
|
|
#define USB_FS_WUSB_DEVICE 6
|
|
#define USB_FS_U1_ENABLE 48
|
|
#define USB_FS_U2_ENABLE 49
|
|
#define USB_FS_LTM_ENABLE 50
|
|
#define USB_FS_B3_NTF_HOST_REL 51
|
|
#define USB_FS_B3_RSP_ENABLE 52
|
|
#define USB_FS_LDM_ENABLE 53
|
|
|
|
static const value_string usb_endpoint_feature_selector_vals[] = {
|
|
{USB_FS_ENDPOINT_HALT, "ENDPOINT HALT"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string usb_interface_feature_selector_vals[] = {
|
|
{USB_FS_FUNCTION_SUSPEND, "FUNCTION SUSPEND"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string usb_device_feature_selector_vals[] = {
|
|
{USB_FS_DEVICE_REMOTE_WAKEUP, "DEVICE REMOTE WAKEUP"},
|
|
{USB_FS_TEST_MODE, "TEST MODE"},
|
|
{USB_FS_B_HNP_ENABLE, "B HNP ENABLE"},
|
|
{USB_FS_A_HNP_SUPPORT, "A HNP SUPPORT"},
|
|
{USB_FS_A_ALT_HNP_SUPPORT, "A ALT HNP SUPPORT"},
|
|
{USB_FS_WUSB_DEVICE, "WUSB DEVICE"},
|
|
{USB_FS_U1_ENABLE, "U1 ENABLE"},
|
|
{USB_FS_U2_ENABLE, "U2 ENABLE"},
|
|
{USB_FS_LTM_ENABLE, "LTM ENABLE"},
|
|
{USB_FS_B3_NTF_HOST_REL, "B3 NTF HOST REL"},
|
|
{USB_FS_B3_RSP_ENABLE, "B3 RSP ENABLE"},
|
|
{USB_FS_LDM_ENABLE, "LDM ENABLE"},
|
|
{0, NULL}
|
|
};
|
|
|
|
|
|
/* the transfer type in the endpoint descriptor, i.e. the type of the endpoint
|
|
(this is not the same as the URB transfer type) */
|
|
#define USB_EP_CONTROL 0x00
|
|
#define USB_EP_ISOCHRONOUS 0x01
|
|
#define USB_EP_BULK 0x02
|
|
#define USB_EP_INTERRUPT 0x03
|
|
|
|
static const value_string usb_bmAttributes_transfer_vals[] = {
|
|
{USB_EP_CONTROL, "Control-Transfer"},
|
|
{USB_EP_ISOCHRONOUS, "Isochronous-Transfer"},
|
|
{USB_EP_BULK, "Bulk-Transfer"},
|
|
{USB_EP_INTERRUPT, "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}
|
|
};
|
|
|
|
/* Note: sorted in (unsigned) ascending order */
|
|
static const value_string usb_urb_status_vals[] = {
|
|
/* from linux/include/asm-generic/errno.h*/
|
|
{ -131, "State not recoverable (-ENOTRECOVERABLE)" },
|
|
{ -130, "Owner died (-EOWNERDEAD)" },
|
|
{ -129, "Key was rejected by service (-EKEYREJECTED)" },
|
|
{ -128, "Key has been revoked (-EKEYREVOKED)" },
|
|
{ -127, "Key has expired (-EKEYEXPIRED)" },
|
|
{ -126, "Required key not available (-ENOKEY)" },
|
|
{ -125, "Operation Canceled (-ECANCELED)" },
|
|
{ -124, "Wrong medium type (-EMEDIUMTYPE)" },
|
|
{ -123, "No medium found (-ENOMEDIUM)" },
|
|
{ -122, "Quota exceeded (-EDQUOT)" },
|
|
{ -121, "Remote I/O error (-EREMOTEIO)" },
|
|
{ -120, "Is a named type file (-EISNAM)" },
|
|
{ -119, "No XENIX semaphores available (-ENAVAIL)" },
|
|
{ -118, "Not a XENIX named type file (-ENOTNAM)" },
|
|
{ -117, "Structure needs cleaning (-EUCLEAN)" },
|
|
{ -116, "Stale NFS file handle (-ESTALE)" },
|
|
{ -115, "Operation now in progress (-EINPROGRESS)" },
|
|
{ -114, "Operation already in progress (-EALREADY)" },
|
|
{ -113, "No route to host (-EHOSTUNREACH)" },
|
|
{ -112, "Host is down (-EHOSTDOWN)" },
|
|
{ -111, "Connection refused (-ECONNREFUSED)" },
|
|
{ -110, "Connection timed out (-ETIMEDOUT)" },
|
|
{ -109, "Too many references: cannot splice (-ETOOMANYREFS)" },
|
|
{ -108, "Cannot send after transport endpoint shutdown (-ESHUTDOWN)" },
|
|
{ -107, "Transport endpoint is not connected (-ENOTCONN)" },
|
|
{ -106, "Transport endpoint is already connected (-EISCONN)" },
|
|
{ -105, "No buffer space available (-ENOBUFS)" },
|
|
{ -104, "Connection reset by peer (-ECONNRESET)" },
|
|
{ -103, "Software caused connection abort (-ECONNABORTED)" },
|
|
{ -102, "Network dropped connection because of reset (-ENETRESET)" },
|
|
{ -101, "Network is unreachable (-ENETUNREACH)" },
|
|
{ -100, "Network is down (-ENETDOWN)" },
|
|
{ -99, "Cannot assign requested address (-EADDRNOTAVAIL)" },
|
|
{ -98, "Address already in use (-EADDRINUSE)" },
|
|
{ -97, "Address family not supported by protocol (-EAFNOSUPPORT)" },
|
|
{ -96, "Protocol family not supported (-EPFNOSUPPORT)" },
|
|
{ -95, "Operation not supported on transport endpoint (-EOPNOTSUPP)" },
|
|
{ -94, "Socket type not supported (-ESOCKTNOSUPPORT)" },
|
|
{ -93, "Protocol not supported (-EPROTONOSUPPORT)" },
|
|
{ -92, "Protocol not available (-ENOPROTOOPT)" },
|
|
{ -91, "Protocol wrong type for socket (-EPROTOTYPE)" },
|
|
{ -90, "Message too long (-EMSGSIZE)" },
|
|
{ -89, "Destination address required (-EDESTADDRREQ)" },
|
|
{ -88, "Socket operation on non-socket (-ENOTSOCK)" },
|
|
{ -87, "Too many users (-EUSERS)" },
|
|
{ -86, "Streams pipe error (-ESTRPIPE)" },
|
|
{ -85, "Interrupted system call should be restarted (-ERESTART)" },
|
|
{ -84, "Illegal byte sequence (-EILSEQ)" },
|
|
{ -83, "Cannot exec a shared library directly (-ELIBEXEC)" },
|
|
{ -82, "Attempting to link in too many shared libraries (-ELIBMAX)" },
|
|
{ -81, ".lib section in a.out corrupted (-ELIBSCN)" },
|
|
{ -80, "Accessing a corrupted shared library (-ELIBBAD)" },
|
|
{ -79, "Can not access a needed shared library (-ELIBACC)" },
|
|
{ -78, "Remote address changed (-EREMCHG)" },
|
|
{ -77, "File descriptor in bad state (-EBADFD)" },
|
|
{ -76, "Name not unique on network (-ENOTUNIQ)" },
|
|
{ -75, "Value too large for defined data type (-EOVERFLOW)" },
|
|
{ -74, "Not a data message (-EBADMSG)" },
|
|
{ -73, "RFS specific error (-EDOTDOT)" },
|
|
{ -72, "Multihop attempted (-EMULTIHOP)" },
|
|
{ -71, "Protocol error (-EPROTO)" },
|
|
{ -70, "Communication error on send (-ECOMM)" },
|
|
{ -69, "Srmount error (-ESRMNT)" },
|
|
{ -68, "Advertise error (-EADV)" },
|
|
{ -67, "Link has been severed (-ENOLINK)" },
|
|
{ -66, "Object is remote (-EREMOTE)" },
|
|
{ -65, "Package not installed (-ENOPKG)" },
|
|
{ -64, "Machine is not on the network (-ENONET)" },
|
|
{ -63, "Out of streams resources (-ENOSR)" },
|
|
{ -62, "Timer expired (-ETIME)" },
|
|
{ -61, "No data available (-ENODATA)" },
|
|
{ -60, "Device not a stream (-ENOSTR)" },
|
|
{ -59, "Bad font file format (-EBFONT)" },
|
|
{ -58, "(-58 \?\?\?)" }, /* dummy so that there are no "gaps" */
|
|
{ -57, "Invalid slot (-EBADSLT)" },
|
|
{ -56, "Invalid request code (-EBADRQC)" },
|
|
{ -55, "No anode (-ENOANO)" },
|
|
{ -54, "Exchange full (-EXFULL)" },
|
|
{ -53, "Invalid request descriptor (-EBADR)" },
|
|
{ -52, "Invalid exchange (-EBADE)" },
|
|
{ -51, "Level 2 halted (-EL2HLT)" },
|
|
{ -50, "No CSI structure available (-ENOCSI)" },
|
|
{ -49, "Protocol driver not attached (-EUNATCH)" },
|
|
{ -48, "Link number out of range (-ELNRNG)" },
|
|
{ -47, "Level 3 reset (-EL3RST)" },
|
|
{ -46, "Level 3 halted (-EL3HLT)" },
|
|
{ -45, "Level 2 not synchronized (-EL2NSYNC)" },
|
|
{ -44, "Channel number out of range (-ECHRNG)" },
|
|
{ -43, "Identifier removed (-EIDRM)" },
|
|
{ -42, "No message of desired type (-ENOMSG)" },
|
|
{ -41, "(-41 \?\?\?)" }, /* dummy so that there are no "gaps" */
|
|
{ -40, "Too many symbolic links encountered (-ELOOP)" },
|
|
{ -39, "Directory not empty (-ENOTEMPTY)" },
|
|
{ -38, "Function not implemented (-ENOSYS)" },
|
|
{ -37, "No record locks available (-ENOLCK)" },
|
|
{ -36, "File name too long (-ENAMETOOLONG)" },
|
|
{ -35, "Resource deadlock would occur (-EDEADLK)" },
|
|
/* from linux/include/asm-generic/errno.h */
|
|
{ -34, "Math result not representable (-ERANGE)" },
|
|
{ -33, "Math argument out of domain of func (-EDOM)" },
|
|
{ -32, "Broken pipe (-EPIPE)" },
|
|
{ -31, "Too many links (-EMLINK)" },
|
|
{ -30, "Read-only file system (-EROFS)" },
|
|
{ -29, "Illegal seek (-ESPIPE)" },
|
|
{ -28, "No space left on device (-ENOSPC)" },
|
|
{ -27, "File too large (-EFBIG)" },
|
|
{ -26, "Text file busy (-ETXTBSY)" },
|
|
{ -25, "Not a typewriter (-ENOTTY)" },
|
|
{ -24, "Too many open files (-EMFILE)" },
|
|
{ -23, "File table overflow (-ENFILE)" },
|
|
{ -22, "Invalid argument (-EINVAL)" },
|
|
{ -21, "Is a directory (-EISDIR)" },
|
|
{ -20, "Not a directory (-ENOTDIR)" },
|
|
{ -19, "No such device (-ENODEV)" },
|
|
{ -18, "Cross-device link (-EXDEV)" },
|
|
{ -17, "File exists (-EEXIST)" },
|
|
{ -16, "Device or resource busy (-EBUSY)" },
|
|
{ -15, "Block device required (-ENOTBLK)" },
|
|
{ -14, "Bad address (-EFAULT)" },
|
|
{ -13, "Permission denied (-EACCES)" },
|
|
{ -12, "Out of memory (-ENOMEM)" },
|
|
{ -11, "Try again (-EAGAIN)" },
|
|
{ -10, "No child processes (-ECHILD)" },
|
|
{ -9, "Bad file number (-EBADF)" },
|
|
{ -8, "Exec format error (-ENOEXEC)" },
|
|
{ -7, "Argument list too long (-E2BIG)" },
|
|
{ -6, "No such device or address (-ENXIO)" },
|
|
{ -5, "I/O error (-EIO)" },
|
|
{ -4, "Interrupted system call (-EINTR)" },
|
|
{ -3, "No such process (-ESRCH)" },
|
|
{ -2, "No such file or directory (-ENOENT)" },
|
|
{ -1, "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 value_string_ext usb_hid_subclass_vals_ext = VALUE_STRING_EXT_INIT(usb_hid_subclass_vals);
|
|
|
|
static const value_string usb_hid_boot_protocol_vals[] = {
|
|
{0, "None"},
|
|
{1, "Keyboard"},
|
|
{2, "Mouse"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext usb_hid_boot_protocol_vals_ext = VALUE_STRING_EXT_INIT(usb_hid_boot_protocol_vals);
|
|
|
|
static const value_string usb_app_subclass_vals[] = {
|
|
{0x01, "Device Firmware Upgrade"},
|
|
{0x02, "IRDA Bridge"},
|
|
{0x03, "USB Test and Measurement Device"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext usb_app_subclass_vals_ext = VALUE_STRING_EXT_INIT(usb_app_subclass_vals);
|
|
|
|
|
|
static const value_string usb_app_dfu_protocol_vals[] = {
|
|
{0x01, "Runtime protocol"},
|
|
{0x02, "DFU mode protocol"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext usb_app_dfu_protocol_vals_ext = VALUE_STRING_EXT_INIT(usb_app_dfu_protocol_vals);
|
|
|
|
static const value_string usb_app_irda_protocol_vals[] = {
|
|
{0x00, "IRDA Bridge device"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext usb_app_irda_protocol_vals_ext = VALUE_STRING_EXT_INIT(usb_app_irda_protocol_vals);
|
|
|
|
static const value_string usb_app_usb_test_and_measurement_protocol_vals[] = {
|
|
{0x00, "USB Test and Measurement Device"},
|
|
{0x01, "USB Test and Measurement Device conforming to the USBTMC USB488 Subclass Specification"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext usb_app_usb_test_and_measurement_protocol_vals_ext = VALUE_STRING_EXT_INIT(usb_app_usb_test_and_measurement_protocol_vals);
|
|
|
|
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)) << 16;
|
|
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};
|
|
|
|
|
|
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->alt_settings = wmem_array_new(wmem_file_scope(), sizeof(usb_alt_setting_t));
|
|
usb_conv_info->transactions = wmem_tree_new(wmem_file_scope());
|
|
|
|
conversation_add_proto_data(conversation, proto_usb, usb_conv_info);
|
|
}
|
|
|
|
return usb_conv_info;
|
|
}
|
|
|
|
|
|
/* usb_conv_info_t contains some components that are valid only for one specific packet
|
|
clear_usb_conv_tmp_data() clears these components, it should be called
|
|
before we dissect a new packet */
|
|
static void clear_usb_conv_tmp_data(usb_conv_info_t *usb_conv_info)
|
|
{
|
|
/* caller must have checked that usb_conv_info!= NULL */
|
|
|
|
usb_conv_info->direction = P2P_DIR_UNKNOWN;
|
|
usb_conv_info->transfer_type = URB_UNKNOWN;
|
|
usb_conv_info->is_request = FALSE;
|
|
usb_conv_info->is_setup = FALSE;
|
|
usb_conv_info->setup_requesttype = 0;
|
|
|
|
/* when we parse the configuration, interface and endpoint
|
|
descriptors, we store the current interface class in endpoint 0's
|
|
conversation
|
|
|
|
this must be cleared since endpoint 0 does not belong to any
|
|
interface class
|
|
|
|
we used to clear these info in dissect_usb_configuration_descriptor()
|
|
this doesn't work when the descriptor parsing throws an exception */
|
|
|
|
if (usb_conv_info->endpoint==0) {
|
|
usb_conv_info->interfaceClass = IF_CLASS_UNKNOWN;
|
|
usb_conv_info->interfaceSubclass = IF_SUBCLASS_UNKNOWN;
|
|
usb_conv_info->interfaceProtocol = IF_PROTOCOL_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static const char* usb_conv_get_filter_type(conv_item_t* conv, conv_filter_type_e filter)
|
|
{
|
|
if ((filter == CONV_FT_SRC_ADDRESS) && (conv->src_address.type == AT_USB))
|
|
return "usb.src";
|
|
|
|
if ((filter == CONV_FT_DST_ADDRESS) && (conv->dst_address.type == AT_USB))
|
|
return "usb.dst";
|
|
|
|
if ((filter == CONV_FT_ANY_ADDRESS) && (conv->src_address.type == AT_USB))
|
|
return "usb.addr";
|
|
|
|
return CONV_FILTER_INVALID;
|
|
}
|
|
|
|
static ct_dissector_info_t usb_ct_dissector_info = {&usb_conv_get_filter_type};
|
|
|
|
static int
|
|
usb_conversation_packet(void *pct, packet_info *pinfo, epan_dissect_t *edt _U_, const void *vip _U_)
|
|
{
|
|
conv_hash_t *hash = (conv_hash_t*) pct;
|
|
add_conversation_table_data(hash, &pinfo->src, &pinfo->dst, 0, 0, 1, pinfo->fd->pkt_len, &pinfo->rel_ts, &pinfo->fd->abs_ts, &usb_ct_dissector_info, PT_NONE);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static const char* usb_host_get_filter_type(hostlist_talker_t* host, conv_filter_type_e filter)
|
|
{
|
|
if ((filter == CONV_FT_ANY_ADDRESS) && (host->myaddress.type == AT_USB))
|
|
return "usb.addr";
|
|
|
|
return CONV_FILTER_INVALID;
|
|
}
|
|
|
|
static hostlist_dissector_info_t usb_host_dissector_info = {&usb_host_get_filter_type};
|
|
|
|
static int
|
|
usb_hostlist_packet(void *pit, packet_info *pinfo, epan_dissect_t *edt _U_, const void *vip _U_)
|
|
{
|
|
conv_hash_t *hash = (conv_hash_t*) pit;
|
|
|
|
/* Take two "add" passes per packet, adding for each direction, ensures that all
|
|
packets are counted properly (even if address is sending to itself)
|
|
XXX - this could probably be done more efficiently inside hostlist_table */
|
|
add_hostlist_table_data(hash, &pinfo->src, 0, TRUE, 1, pinfo->fd->pkt_len, &usb_host_dissector_info, PT_NONE);
|
|
add_hostlist_table_data(hash, &pinfo->dst, 0, FALSE, 1, pinfo->fd->pkt_len, &usb_host_dissector_info, PT_NONE);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* 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_conv_info_t *usb_conv_info)
|
|
{
|
|
guint8 recip;
|
|
|
|
if (usb_conv_info) {
|
|
recip = USB_RECIPIENT(usb_conv_info->usb_trans_info->setup.requesttype);
|
|
|
|
/* feature selector */
|
|
switch (recip) {
|
|
case RQT_SETUP_RECIPIENT_DEVICE:
|
|
proto_tree_add_item(tree, hf_usb_device_wFeatureSelector, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
|
|
case RQT_SETUP_RECIPIENT_INTERFACE:
|
|
proto_tree_add_item(tree, hf_usb_interface_wFeatureSelector, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
|
|
case RQT_SETUP_RECIPIENT_ENDPOINT:
|
|
proto_tree_add_item(tree, hf_usb_endpoint_wFeatureSelector, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
|
|
case RQT_SETUP_RECIPIENT_OTHER:
|
|
default:
|
|
proto_tree_add_item(tree, hf_usb_value, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
}
|
|
} else {
|
|
/* No conversation information, so recipient type is unknown */
|
|
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_clear_feature_response(packet_info *pinfo _U_, proto_tree *tree _U_,
|
|
tvbuff_t *tvb _U_, int offset,
|
|
usb_conv_info_t *usb_conv_info _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_conv_info_t *usb_conv_info _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_conv_info_t *usb_conv_info)
|
|
{
|
|
proto_item *item;
|
|
proto_tree *tree;
|
|
proto_item *nitem;
|
|
int old_offset = offset;
|
|
guint32 protocol;
|
|
const gchar *description;
|
|
|
|
tree = proto_tree_add_subtree(parent_tree, tvb, offset, -1, ett_descriptor_device, &item, "DEVICE QUALIFIER DESCRIPTOR");
|
|
|
|
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 = usb_conv_info->device_address;
|
|
k_bus_id = usb_conv_info->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 = usb_conv_info->bus_id;
|
|
device_protocol_data->device_address = usb_conv_info->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;
|
|
|
|
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_conv_info_t *usb_conv_info)
|
|
{
|
|
proto_item *item;
|
|
proto_tree *tree;
|
|
proto_item *nitem;
|
|
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;
|
|
|
|
tree = proto_tree_add_subtree(parent_tree, tvb, offset, -1, ett_descriptor_device, &item, "DEVICE DESCRIPTOR");
|
|
|
|
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;
|
|
|
|
/* if request was only for the first 8 bytes */
|
|
/* per 5.5.3 of USB2.0 Spec */
|
|
if (8 == usb_conv_info->usb_trans_info->setup.wLength) {
|
|
proto_item_set_len(item, offset-old_offset);
|
|
return offset;
|
|
}
|
|
|
|
/* 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 = usb_conv_info->device_address;
|
|
k_bus_id = usb_conv_info->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 = usb_conv_info->bus_id;
|
|
device_product_data->device_address = usb_conv_info->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 = usb_conv_info->bus_id;
|
|
device_protocol_data->device_address = usb_conv_info->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;
|
|
|
|
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_conv_info_t *usb_conv_info)
|
|
{
|
|
proto_item *item;
|
|
proto_tree *tree;
|
|
int old_offset = offset;
|
|
guint8 len;
|
|
proto_item *len_item;
|
|
usb_trans_info_t *usb_trans_info;
|
|
|
|
usb_trans_info = usb_conv_info->usb_trans_info;
|
|
|
|
tree = proto_tree_add_subtree(parent_tree, tvb, offset, -1, ett_descriptor_device, &item, "STRING DESCRIPTOR");
|
|
|
|
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.usb_index) {
|
|
/* list of languanges */
|
|
while (offset >= old_offset && 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;
|
|
}
|
|
|
|
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_conv_info_t *usb_conv_info)
|
|
{
|
|
proto_item *item;
|
|
proto_tree *tree;
|
|
const char *class_str = NULL;
|
|
int old_offset = offset;
|
|
guint8 len;
|
|
guint8 interface_num;
|
|
guint8 alt_setting;
|
|
usb_trans_info_t *usb_trans_info;
|
|
|
|
usb_trans_info = usb_conv_info->usb_trans_info;
|
|
|
|
tree = proto_tree_add_subtree(parent_tree, tvb, offset, -1, ett_descriptor_device, &item, "INTERFACE DESCRIPTOR");
|
|
|
|
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) {
|
|
usb_alt_setting_t alternate_setting;
|
|
|
|
/* 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);
|
|
|
|
alternate_setting.altSetting = alt_setting;
|
|
alternate_setting.interfaceClass = tvb_get_guint8(tvb, offset);
|
|
alternate_setting.interfaceSubclass = tvb_get_guint8(tvb, offset+1);
|
|
alternate_setting.interfaceProtocol = tvb_get_guint8(tvb, offset+2);
|
|
wmem_array_append_one(usb_trans_info->interface_info->alt_settings, alternate_setting);
|
|
|
|
if (alt_setting == 0) {
|
|
/* By default let's assume alternate setting 0 will be used */
|
|
|
|
/* in interface conversations, endpoint has no meaning */
|
|
usb_trans_info->interface_info->endpoint = NO_ENDPOINT8;
|
|
|
|
usb_trans_info->interface_info->interfaceClass = alternate_setting.interfaceClass;
|
|
usb_trans_info->interface_info->interfaceSubclass = alternate_setting.interfaceSubclass;
|
|
usb_trans_info->interface_info->interfaceProtocol = alternate_setting.interfaceProtocol;
|
|
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;
|
|
case IF_CLASS_APPLICATION_SPECIFIC:
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceSubClass_app, 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_APPLICATION_SPECIFIC:
|
|
switch (usb_conv_info->interfaceSubclass) {
|
|
case 0x01:
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceProtocol_app_dfu, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
case 0x02:
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceProtocol_app_irda, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
case 0x03:
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceProtocol_app_usb_test_and_measurement, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
default:
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceProtocol, 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;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_usb_bInterfaceProtocol, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
|
|
break;
|
|
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;
|
|
|
|
proto_item_set_len(item, len);
|
|
|
|
if (offset < old_offset+len) {
|
|
/* skip unknown records */
|
|
offset = old_offset + len;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* 9.6.6 */
|
|
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;
|
|
proto_tree *endpoint_tree;
|
|
guint8 endpoint;
|
|
|
|
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);
|
|
}
|
|
|
|
int
|
|
dissect_usb_endpoint_descriptor(packet_info *pinfo, proto_tree *parent_tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_conv_info_t *usb_conv_info)
|
|
{
|
|
proto_item *item;
|
|
proto_tree *tree;
|
|
proto_item *ep_attrib_item;
|
|
proto_tree *ep_attrib_tree;
|
|
proto_item *ep_pktsize_item;
|
|
proto_tree *ep_pktsize_tree;
|
|
int old_offset = offset;
|
|
guint8 endpoint;
|
|
guint8 ep_type;
|
|
guint8 len;
|
|
usb_trans_info_t *usb_trans_info = NULL;
|
|
|
|
if (usb_conv_info)
|
|
usb_trans_info = usb_conv_info->usb_trans_info;
|
|
|
|
tree = proto_tree_add_subtree(parent_tree, tvb, offset, -1, ett_descriptor_device, &item, "ENDPOINT DESCRIPTOR");
|
|
|
|
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 && usb_trans_info->interface_info) {
|
|
conversation_t *conversation = NULL;
|
|
|
|
if (pinfo->destport == NO_ENDPOINT) {
|
|
address tmp_addr;
|
|
usb_address_t *usb_addr = wmem_new0(wmem_packet_scope(), usb_address_t);
|
|
|
|
/* packet is sent from a USB device's endpoint 0 to the host
|
|
* replace endpoint 0 with the endpoint of this descriptor
|
|
* and find the corresponding conversation
|
|
*/
|
|
usb_addr->bus_id = ((const usb_address_t *)(pinfo->src.data))->bus_id;
|
|
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);
|
|
}
|
|
|
|
if (conversation) {
|
|
usb_trans_info->interface_info->endpoint = endpoint;
|
|
conversation_add_proto_data(conversation, proto_usb, usb_trans_info->interface_info);
|
|
}
|
|
}
|
|
|
|
/* bmAttributes */
|
|
ep_type = ENDPOINT_TYPE(tvb_get_guint8(tvb, offset));
|
|
|
|
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);
|
|
if (ep_type==USB_EP_ISOCHRONOUS) {
|
|
proto_tree_add_item(ep_attrib_tree, hf_usb_bEndpointAttributeSynchonisation, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
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;
|
|
|
|
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_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
proto_item *item;
|
|
proto_tree *tree;
|
|
int old_offset = offset;
|
|
|
|
tree = proto_tree_add_subtree(parent_tree, tvb, offset, -1, ett_descriptor_device, &item, "INTERFACE ASSOCIATION DESCRIPTOR");
|
|
|
|
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;
|
|
|
|
proto_item_set_len(item, offset-old_offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
int
|
|
dissect_usb_unknown_descriptor(packet_info *pinfo _U_, proto_tree *parent_tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
proto_item *item;
|
|
proto_tree *tree;
|
|
guint8 bLength;
|
|
|
|
tree = proto_tree_add_subtree(parent_tree, tvb, offset, -1, ett_descriptor_device, &item, "UNKNOWN DESCRIPTOR");
|
|
|
|
bLength = tvb_get_guint8(tvb, offset);
|
|
dissect_usb_descriptor_header(tree, tvb, offset, NULL);
|
|
offset += bLength;
|
|
|
|
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_conv_info_t *usb_conv_info)
|
|
{
|
|
proto_item *item;
|
|
proto_tree *tree;
|
|
int old_offset = offset;
|
|
guint16 len;
|
|
proto_item *flags_item;
|
|
proto_tree *flags_tree;
|
|
guint8 flags;
|
|
proto_item *power_item;
|
|
guint8 power;
|
|
gboolean truncation_expected;
|
|
usb_trans_info_t *usb_trans_info;
|
|
|
|
usb_trans_info = usb_conv_info->usb_trans_info;
|
|
|
|
usb_conv_info->interfaceClass = IF_CLASS_UNKNOWN;
|
|
usb_conv_info->interfaceSubclass = IF_SUBCLASS_UNKNOWN;
|
|
usb_conv_info->interfaceProtocol = IF_PROTOCOL_UNKNOWN;
|
|
|
|
tree = proto_tree_add_subtree(parent_tree, tvb, offset, -1, ett_descriptor_device, &item, "CONFIGURATION DESCRIPTOR");
|
|
|
|
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 */
|
|
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_reported_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_conv_info);
|
|
break;
|
|
case USB_DT_ENDPOINT:
|
|
offset = dissect_usb_endpoint_descriptor(pinfo, parent_tree, tvb, offset, usb_conv_info);
|
|
break;
|
|
case USB_DT_INTERFACE_ASSOCIATION:
|
|
offset = dissect_usb_interface_assn_descriptor(pinfo, parent_tree, tvb, offset, usb_conv_info);
|
|
break;
|
|
default:
|
|
next_tvb = tvb_new_subset_length(tvb, offset, 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_conv_info);
|
|
}
|
|
break;
|
|
/* was: return offset; */
|
|
}
|
|
}
|
|
|
|
proto_item_set_len(item, offset-old_offset);
|
|
|
|
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_conv_info_t *usb_conv_info)
|
|
{
|
|
usb_trans_info_t *usb_trans_info, trans_info;
|
|
|
|
if (usb_conv_info)
|
|
usb_trans_info = usb_conv_info->usb_trans_info;
|
|
else
|
|
usb_trans_info = &trans_info;
|
|
|
|
/* descriptor index */
|
|
proto_tree_add_item(tree, hf_usb_descriptor_index, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
usb_trans_info->u.get_descriptor.usb_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_conv_info_t *usb_conv_info)
|
|
{
|
|
usb_trans_info_t *usb_trans_info;
|
|
|
|
usb_trans_info = usb_conv_info->usb_trans_info;
|
|
|
|
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_INTERFACE:
|
|
case USB_DT_ENDPOINT:
|
|
/* an interface or an endpoint descriptor can only be accessed
|
|
as part of a configuration descriptor */
|
|
break;
|
|
case USB_DT_DEVICE:
|
|
offset = dissect_usb_device_descriptor(pinfo, tree, tvb, offset, usb_conv_info);
|
|
break;
|
|
case USB_DT_CONFIG:
|
|
offset = dissect_usb_configuration_descriptor(pinfo, tree, tvb, offset, usb_conv_info);
|
|
break;
|
|
case USB_DT_STRING:
|
|
offset = dissect_usb_string_descriptor(pinfo, tree, tvb, offset, usb_conv_info);
|
|
break;
|
|
case USB_DT_DEVICE_QUALIFIER:
|
|
offset = dissect_usb_device_qualifier_descriptor(pinfo, tree, tvb, offset, usb_conv_info);
|
|
break;
|
|
default:
|
|
/* XXX dissect the descriptor coming back from the device */
|
|
{
|
|
guint len = tvb_reported_length_remaining(tvb, offset);
|
|
proto_tree_add_bytes_format(tree, hf_usb_get_descriptor_resp_generic, tvb, offset, len, NULL,
|
|
"GET DESCRIPTOR Response data (unknown descriptor type %u): %s",
|
|
usb_trans_info->u.get_descriptor.type,
|
|
tvb_bytes_to_str(wmem_packet_scope(), tvb, offset, len));
|
|
offset = offset + len;
|
|
}
|
|
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_conv_info_t *usb_conv_info _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_conv_info_t *usb_conv_info _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_conv_info_t *usb_conv_info _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_conv_info_t *usb_conv_info _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_conv_info_t *usb_conv_info _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_conv_info_t *usb_conv_info _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_conv_info_t *usb_conv_info _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_conv_info_t *usb_conv_info _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_conv_info_t *usb_conv_info)
|
|
{
|
|
guint8 recip;
|
|
|
|
if (usb_conv_info) {
|
|
recip = USB_RECIPIENT(usb_conv_info->usb_trans_info->setup.requesttype);
|
|
|
|
/* feature selector */
|
|
switch (recip) {
|
|
case RQT_SETUP_RECIPIENT_DEVICE:
|
|
proto_tree_add_item(tree, hf_usb_device_wFeatureSelector, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
|
|
case RQT_SETUP_RECIPIENT_INTERFACE:
|
|
proto_tree_add_item(tree, hf_usb_interface_wFeatureSelector, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
|
|
case RQT_SETUP_RECIPIENT_ENDPOINT:
|
|
proto_tree_add_item(tree, hf_usb_endpoint_wFeatureSelector, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
|
|
case RQT_SETUP_RECIPIENT_OTHER:
|
|
default:
|
|
proto_tree_add_item(tree, hf_usb_value, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
break;
|
|
}
|
|
} else {
|
|
/* No conversation information, so recipient type is unknown */
|
|
proto_tree_add_item(tree, hf_usb_value, 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_conv_info_t *usb_conv_info _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, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
guint8 alt_setting, interface_num;
|
|
|
|
/* alternate setting */
|
|
alt_setting = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(tree, hf_usb_bAlternateSetting, tvb, offset, 2, alt_setting);
|
|
offset += 2;
|
|
|
|
/* interface */
|
|
interface_num = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(tree, hf_usb_wInterface, tvb, offset, 2, interface_num);
|
|
offset += 2;
|
|
|
|
/* zero */
|
|
proto_tree_add_item(tree, hf_usb_length, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
if (!PINFO_FD_VISITED(pinfo)) {
|
|
guint i, count;
|
|
usb_conv_info_t *iface_conv_info = get_usb_iface_conv_info(pinfo, interface_num);
|
|
|
|
/* update the conversation info with the selected alternate setting */
|
|
count = wmem_array_get_count(iface_conv_info->alt_settings);
|
|
for (i = 0; i < count; i++) {
|
|
usb_alt_setting_t *alternate_setting = (usb_alt_setting_t *)wmem_array_index(iface_conv_info->alt_settings, i);
|
|
|
|
if (alternate_setting->altSetting == alt_setting) {
|
|
iface_conv_info->interfaceClass = alternate_setting->interfaceClass;
|
|
iface_conv_info->interfaceSubclass = alternate_setting->interfaceSubclass;
|
|
iface_conv_info->interfaceProtocol = alternate_setting->interfaceProtocol;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
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_conv_info_t *usb_conv_info _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_conv_info_t *usb_conv_info _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_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
/* frame number */
|
|
proto_tree_add_item(tree, hf_usb_wFrameNumber, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* Dissector used for unknown USB setup request/responses */
|
|
static int
|
|
dissect_usb_setup_generic(packet_info *pinfo _U_, proto_tree *tree ,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_conv_info_t *usb_conv_info _U_)
|
|
{
|
|
|
|
proto_tree_add_item(tree, hf_usb_value, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_usb_index, tvb, offset, 2, ENC_LITTLE_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(tree, hf_usb_length, 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_conv_info_t *usb_conv_info);
|
|
|
|
typedef struct _usb_setup_dissector_table_t {
|
|
guint8 request;
|
|
usb_setup_dissector dissector;
|
|
|
|
} usb_setup_dissector_table_t;
|
|
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 }
|
|
};
|
|
|
|
/* Dissector used for standard usb setup requests */
|
|
static int
|
|
dissect_usb_standard_setup_request(packet_info *pinfo, proto_tree *tree ,
|
|
tvbuff_t *tvb, usb_conv_info_t *usb_conv_info,
|
|
usb_trans_info_t *usb_trans_info)
|
|
{
|
|
gint offset = 0;
|
|
const usb_setup_dissector_table_t *tmp;
|
|
usb_setup_dissector dissector;
|
|
|
|
proto_tree_add_item(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) {
|
|
dissector = &dissect_usb_setup_generic;
|
|
}
|
|
|
|
offset = dissector(pinfo, tree, tvb, offset, usb_conv_info);
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
/* Dissector used for standard usb setup responses */
|
|
static int
|
|
dissect_usb_standard_setup_response(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
usb_conv_info_t *usb_conv_info)
|
|
{
|
|
const usb_setup_dissector_table_t *tmp;
|
|
usb_setup_dissector 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, tree, tvb, offset, usb_conv_info);
|
|
} else {
|
|
gint length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
proto_tree_add_item(tree, hf_usb_control_response_generic,
|
|
tvb, offset, length_remaining, ENC_NA);
|
|
offset += length_remaining;
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static void
|
|
usb_tap_queue_packet(packet_info *pinfo, guint8 urb_type,
|
|
usb_conv_info_t *usb_conv_info)
|
|
{
|
|
usb_tap_data_t *tap_data;
|
|
|
|
tap_data = wmem_new(wmem_packet_scope(), usb_tap_data_t);
|
|
tap_data->urb_type = urb_type;
|
|
tap_data->transfer_type = (guint8)(usb_conv_info->transfer_type);
|
|
tap_data->conv_info = usb_conv_info;
|
|
tap_data->trans_info = usb_conv_info->usb_trans_info;
|
|
|
|
tap_queue_packet(usb_tap, pinfo, tap_data);
|
|
}
|
|
|
|
|
|
static gboolean
|
|
is_usb_standard_setup_request(usb_trans_info_t *usb_trans_info)
|
|
{
|
|
guint8 type, recip;
|
|
|
|
type = USB_TYPE(usb_trans_info->setup.requesttype);
|
|
recip = USB_RECIPIENT(usb_trans_info->setup.requesttype);
|
|
|
|
if (type != RQT_SETUP_TYPE_STANDARD)
|
|
return FALSE;
|
|
|
|
/* the USB standards defines the GET_DESCRIPTOR request only as a
|
|
request to a device
|
|
if it's not aimed at a device, it's a non-standard request that
|
|
should be handled by a class-specific dissector */
|
|
if (usb_trans_info->setup.request == USB_SETUP_GET_DESCRIPTOR &&
|
|
recip != RQT_SETUP_RECIPIENT_DEVICE) {
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static gint
|
|
try_dissect_next_protocol(proto_tree *tree, tvbuff_t *next_tvb, packet_info *pinfo,
|
|
usb_conv_info_t *usb_conv_info, guint8 urb_type, proto_tree *urb_tree)
|
|
{
|
|
int ret;
|
|
wmem_tree_key_t key[4];
|
|
guint32 k_frame_number;
|
|
guint32 k_device_address;
|
|
guint32 k_bus_id;
|
|
usb_trans_info_t *usb_trans_info;
|
|
heur_dtbl_entry_t *hdtbl_entry;
|
|
heur_dissector_list_t heur_subdissector_list = NULL;
|
|
dissector_table_t usb_dissector_table = NULL;
|
|
proto_item *sub_item;
|
|
device_product_data_t *device_product_data;
|
|
device_protocol_data_t *device_protocol_data;
|
|
guint8 ctrl_recip;
|
|
/* if we select the next dissector based on a class,
|
|
this is the (device or interface) class we're using */
|
|
guint32 usb_class;
|
|
|
|
if (!usb_conv_info) {
|
|
/*
|
|
* Not enough information to choose the next protocol.
|
|
* XXX - is there something we can still do here?
|
|
*/
|
|
if (tvb_reported_length(next_tvb) > 0)
|
|
call_dissector(data_handle, next_tvb, pinfo, tree);
|
|
|
|
return tvb_captured_length(next_tvb);
|
|
}
|
|
|
|
/* try dissect by "usb.device" */
|
|
ret = dissector_try_uint_new(device_to_dissector,
|
|
(guint32)(usb_conv_info->bus_id<<16 | usb_conv_info->device_address),
|
|
next_tvb, pinfo, tree, TRUE, usb_conv_info);
|
|
if (ret)
|
|
return tvb_captured_length(next_tvb);
|
|
|
|
k_frame_number = pinfo->fd->num;
|
|
k_device_address = usb_conv_info->device_address;
|
|
k_bus_id = usb_conv_info->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" */
|
|
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 == usb_conv_info->bus_id &&
|
|
device_protocol_data->device_address == usb_conv_info->device_address) {
|
|
ret = dissector_try_uint_new(protocol_to_dissector,
|
|
(guint32)device_protocol_data->protocol,
|
|
next_tvb, pinfo, tree, TRUE, usb_conv_info);
|
|
if (ret)
|
|
return tvb_captured_length(next_tvb);
|
|
}
|
|
|
|
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 == usb_conv_info->bus_id &&
|
|
device_product_data->device_address == usb_conv_info->device_address) {
|
|
ret = dissector_try_uint_new(product_to_dissector,
|
|
(guint32)(device_product_data->vendor<<16 | device_product_data->product),
|
|
next_tvb, pinfo, tree, TRUE, usb_conv_info);
|
|
if (ret)
|
|
return tvb_captured_length(next_tvb);
|
|
}
|
|
|
|
switch(usb_conv_info->transfer_type) {
|
|
case URB_BULK:
|
|
heur_subdissector_list = heur_bulk_subdissector_list;
|
|
usb_dissector_table = usb_bulk_dissector_table;
|
|
break;
|
|
|
|
case URB_INTERRUPT:
|
|
heur_subdissector_list = heur_interrupt_subdissector_list;
|
|
usb_dissector_table = usb_interrupt_dissector_table;
|
|
break;
|
|
|
|
case URB_CONTROL:
|
|
usb_trans_info = usb_conv_info->usb_trans_info;
|
|
if (!usb_trans_info)
|
|
break;
|
|
|
|
/* for standard control requests and responses, there's no
|
|
need to query dissector tables */
|
|
if (is_usb_standard_setup_request(usb_trans_info))
|
|
break;
|
|
|
|
ctrl_recip = USB_RECIPIENT(usb_trans_info->setup.requesttype);
|
|
|
|
if (ctrl_recip == RQT_SETUP_RECIPIENT_DEVICE) {
|
|
/* a non-standard control message addressed to a device
|
|
this is not supported (I don't think it's used
|
|
anywhere) */
|
|
break;
|
|
}
|
|
else if (ctrl_recip == RQT_SETUP_RECIPIENT_INTERFACE) {
|
|
guint8 interface_num = usb_trans_info->setup.wIndex & 0xff;
|
|
|
|
heur_subdissector_list = heur_control_subdissector_list;
|
|
usb_dissector_table = usb_control_dissector_table;
|
|
|
|
usb_conv_info = get_usb_iface_conv_info(pinfo, interface_num);
|
|
usb_conv_info->usb_trans_info = usb_trans_info;
|
|
}
|
|
else if (ctrl_recip == RQT_SETUP_RECIPIENT_ENDPOINT) {
|
|
address endpoint_addr;
|
|
gint endpoint;
|
|
guint32 src_endpoint, dst_endpoint;
|
|
conversation_t *conversation;
|
|
|
|
heur_subdissector_list = heur_control_subdissector_list;
|
|
usb_dissector_table = usb_control_dissector_table;
|
|
|
|
endpoint = usb_trans_info->setup.wIndex & 0x0f;
|
|
|
|
if (usb_conv_info->is_request) {
|
|
usb_address_t *dst_addr = wmem_new0(wmem_packet_scope(), usb_address_t);
|
|
dst_addr->bus_id = usb_conv_info->bus_id;
|
|
dst_addr->device = usb_conv_info->device_address;
|
|
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);
|
|
}
|
|
else {
|
|
usb_address_t *src_addr = wmem_new0(wmem_packet_scope(), usb_address_t);
|
|
src_addr->bus_id = usb_conv_info->bus_id;
|
|
src_addr->device = usb_conv_info->device_address;
|
|
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;
|
|
}
|
|
else {
|
|
/* the recipient is "other" or "reserved"
|
|
there's no way for us to determine the interfaceClass
|
|
we set the usb_dissector_table anyhow as some
|
|
dissectors register for control messages to
|
|
IF_CLASS_UNKNOWN (this should be fixed) */
|
|
heur_subdissector_list = heur_control_subdissector_list;
|
|
usb_dissector_table = usb_control_dissector_table;
|
|
}
|
|
|
|
usb_tap_queue_packet(pinfo, urb_type, usb_conv_info);
|
|
sub_item = proto_tree_add_uint(urb_tree, hf_usb_bInterfaceClass, next_tvb, 0, 0, usb_conv_info->interfaceClass);
|
|
PROTO_ITEM_SET_GENERATED(sub_item);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (try_heuristics && heur_subdissector_list) {
|
|
ret = dissector_try_heuristic(heur_subdissector_list,
|
|
next_tvb, pinfo, tree, &hdtbl_entry, usb_conv_info);
|
|
if (ret)
|
|
return tvb_captured_length(next_tvb);
|
|
}
|
|
|
|
if (usb_dissector_table) {
|
|
/* we prefer the interface class unless it says we should refer
|
|
to the device class
|
|
XXX - use the device class if the interface class is unknown */
|
|
if (usb_conv_info->interfaceClass == IF_CLASS_DEVICE) {
|
|
usb_class = (usb_conv_info->device_protocol>>16) & 0xFF;
|
|
}
|
|
else {
|
|
usb_class = usb_conv_info->interfaceClass;
|
|
}
|
|
|
|
ret = dissector_try_uint_new(usb_dissector_table, usb_class,
|
|
next_tvb, pinfo, tree, TRUE, usb_conv_info);
|
|
if (ret)
|
|
return tvb_captured_length(next_tvb);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
dissect_usb_setup_response(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
guint8 urb_type, usb_conv_info_t *usb_conv_info)
|
|
{
|
|
proto_tree *parent;
|
|
tvbuff_t *next_tvb = NULL;
|
|
gint length_remaining;
|
|
|
|
parent = proto_tree_get_parent_tree(tree);
|
|
|
|
if (usb_conv_info) {
|
|
if (usb_conv_info->usb_trans_info && is_usb_standard_setup_request(usb_conv_info->usb_trans_info)) {
|
|
offset = dissect_usb_standard_setup_response(pinfo, parent, tvb, offset, usb_conv_info);
|
|
}
|
|
else {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
offset += try_dissect_next_protocol(parent, next_tvb, pinfo, usb_conv_info, urb_type, tree);
|
|
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
proto_tree_add_item(parent, hf_usb_control_response_generic,
|
|
tvb, offset, length_remaining, ENC_NA);
|
|
offset += length_remaining;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
/* no matching request available */
|
|
length_remaining = tvb_reported_length_remaining(tvb, offset);
|
|
if (length_remaining > 0) {
|
|
proto_tree_add_item(parent, hf_usb_control_response_generic, tvb,
|
|
offset, length_remaining, ENC_NA);
|
|
offset += length_remaining;
|
|
}
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_usb_bmrequesttype(proto_tree *parent_tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
proto_item *item;
|
|
proto_tree *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);
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_linux_usb_pseudo_header_ext(tvbuff_t *tvb, int offset,
|
|
packet_info *pinfo _U_,
|
|
proto_tree *tree)
|
|
{
|
|
proto_tree_add_item(tree, hf_usb_urb_interval, tvb, offset, 4, ENC_HOST_ENDIAN);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_usb_urb_start_frame, tvb, offset, 4, ENC_HOST_ENDIAN);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_usb_urb_copy_of_transfer_flags, tvb, offset, 4, ENC_HOST_ENDIAN);
|
|
offset += 4;
|
|
proto_tree_add_item(tree, hf_usb_iso_numdesc, tvb, offset, 4, ENC_HOST_ENDIAN);
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* Dissector used for usb setup requests */
|
|
int
|
|
dissect_usb_setup_request(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset,
|
|
guint8 urb_type, usb_conv_info_t *usb_conv_info,
|
|
usb_header_t header_type)
|
|
{
|
|
gint req_type;
|
|
gint ret;
|
|
proto_tree *parent, *setup_tree;
|
|
usb_trans_info_t *usb_trans_info, trans_info;
|
|
tvbuff_t *next_tvb, *data_tvb = NULL;
|
|
|
|
/* we should do the NULL check in all non-static functions */
|
|
if (usb_conv_info)
|
|
usb_trans_info = usb_conv_info->usb_trans_info;
|
|
else
|
|
usb_trans_info = &trans_info;
|
|
|
|
parent = proto_tree_get_parent_tree(tree);
|
|
|
|
setup_tree = proto_tree_add_subtree(parent, tvb, offset, 8, usb_setup_hdr, NULL, "URB setup");
|
|
|
|
req_type = USB_TYPE(tvb_get_guint8(tvb, offset));
|
|
usb_trans_info->setup.requesttype = tvb_get_guint8(tvb, offset);
|
|
if (usb_conv_info) {
|
|
usb_conv_info->setup_requesttype = tvb_get_guint8(tvb, offset);
|
|
if (req_type != RQT_SETUP_TYPE_CLASS)
|
|
usb_tap_queue_packet(pinfo, urb_type, usb_conv_info);
|
|
}
|
|
|
|
offset = dissect_usb_bmrequesttype(setup_tree, tvb, offset);
|
|
|
|
/* as we're going through the data, we build a next_tvb that
|
|
contains the the setup packet without the request type
|
|
and request-specific data
|
|
all subsequent dissection routines work on this tvb */
|
|
next_tvb = tvb_new_composite();
|
|
tvb_composite_append(next_tvb, tvb_new_subset(tvb, offset, 7, 7));
|
|
|
|
usb_trans_info->setup.request = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
usb_trans_info->setup.wValue = tvb_get_letohs(tvb, offset);
|
|
offset += 2;
|
|
usb_trans_info->setup.wIndex = tvb_get_letohs(tvb, offset);
|
|
offset += 2;
|
|
usb_trans_info->setup.wLength = tvb_get_letohs(tvb, offset);
|
|
offset += 2;
|
|
|
|
if (header_type == USB_HEADER_LINUX_64_BYTES) {
|
|
offset = dissect_linux_usb_pseudo_header_ext(tvb, offset, pinfo, tree);
|
|
}
|
|
|
|
if (tvb_captured_length_remaining(tvb, offset) > 0) {
|
|
data_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
tvb_composite_append(next_tvb, data_tvb);
|
|
offset += tvb_captured_length(data_tvb);
|
|
|
|
add_new_data_source(pinfo, next_tvb, "Linux USB Control");
|
|
}
|
|
tvb_composite_finalize(next_tvb);
|
|
|
|
/* at this point, offset contains the number of bytes that we
|
|
dissected */
|
|
|
|
if (is_usb_standard_setup_request(usb_trans_info)) {
|
|
/* there's no point in checking the return value as there's no
|
|
fallback for standard setup requests */
|
|
dissect_usb_standard_setup_request(pinfo, setup_tree,
|
|
next_tvb, usb_conv_info, usb_trans_info);
|
|
}
|
|
else {
|
|
/* no standard request - pass it on to class-specific dissectors */
|
|
ret = try_dissect_next_protocol(
|
|
setup_tree, next_tvb, pinfo, usb_conv_info, urb_type, tree);
|
|
if (ret <= 0) {
|
|
/* no class-specific dissector could handle it,
|
|
dissect it as generic setup request */
|
|
proto_tree_add_item(setup_tree, hf_usb_request_unknown_class,
|
|
next_tvb, 0, 1, ENC_LITTLE_ENDIAN);
|
|
dissect_usb_setup_generic(pinfo, setup_tree,
|
|
next_tvb, 1, usb_conv_info);
|
|
}
|
|
}
|
|
|
|
if (data_tvb)
|
|
proto_tree_add_item(setup_tree, hf_usb_data_fragment, data_tvb, 0, -1, ENC_NA);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* dissect the linux-specific USB pseudo header and fill the conversation struct
|
|
return the number of dissected bytes */
|
|
static gint
|
|
dissect_linux_usb_pseudo_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
usb_conv_info_t *usb_conv_info, guint64 *urb_id)
|
|
{
|
|
guint8 transfer_type;
|
|
guint8 endpoint_byte;
|
|
guint8 transfer_type_and_direction;
|
|
guint8 urb_type;
|
|
guint8 flag[2];
|
|
|
|
*urb_id = tvb_get_guint64(tvb, 0, ENC_HOST_ENDIAN);
|
|
proto_tree_add_uint64(tree, hf_usb_urb_id, tvb, 0, 8, *urb_id);
|
|
|
|
/* show the urb type of this URB as string and as a character */
|
|
urb_type = tvb_get_guint8(tvb, 8);
|
|
usb_conv_info->is_request = (urb_type==URB_SUBMIT);
|
|
proto_tree_add_uint_format_value(tree, hf_usb_urb_type, tvb, 8, 1,
|
|
urb_type, "%s ('%c')", val_to_str(urb_type, usb_urb_type_vals, "Unknown %d"),
|
|
g_ascii_isprint(urb_type) ? urb_type : '.');
|
|
proto_tree_add_item(tree, hf_usb_transfer_type, tvb, 9, 1, ENC_LITTLE_ENDIAN);
|
|
|
|
transfer_type = tvb_get_guint8(tvb, 9);
|
|
usb_conv_info->transfer_type = transfer_type;
|
|
|
|
endpoint_byte = tvb_get_guint8(tvb, 10); /* direction bit | endpoint */
|
|
usb_conv_info->endpoint = endpoint_byte & 0x7F;
|
|
if (endpoint_byte & URB_TRANSFER_IN)
|
|
usb_conv_info->direction = P2P_DIR_RECV;
|
|
else
|
|
usb_conv_info->direction = P2P_DIR_SENT;
|
|
|
|
transfer_type_and_direction = (transfer_type & 0x7F) | (endpoint_byte & 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_NA);
|
|
proto_tree_add_item(tree, hf_usb_device_address, tvb, 11, 1, ENC_LITTLE_ENDIAN);
|
|
usb_conv_info->device_address = (guint16)tvb_get_guint8(tvb, 11);
|
|
|
|
proto_tree_add_item(tree, hf_usb_bus_id, tvb, 12, 2, ENC_HOST_ENDIAN);
|
|
tvb_memcpy(tvb, &usb_conv_info->bus_id, 12, 2);
|
|
|
|
/* 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) {
|
|
usb_conv_info->is_setup = TRUE;
|
|
proto_tree_add_string(tree, hf_usb_setup_flag, tvb, 14, 1, "relevant (0)");
|
|
if (usb_conv_info->transfer_type!=URB_CONTROL)
|
|
proto_tree_add_expert(tree, pinfo, &ei_usb_invalid_setup, tvb, 14, 1);
|
|
} else {
|
|
usb_conv_info->is_setup = FALSE;
|
|
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] : '.');
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_usb_urb_ts_sec, tvb, 16, 8, ENC_HOST_ENDIAN);
|
|
proto_tree_add_item(tree, hf_usb_urb_ts_usec, tvb, 24, 4, ENC_HOST_ENDIAN);
|
|
proto_tree_add_item(tree, hf_usb_urb_status, tvb, 28, 4, ENC_HOST_ENDIAN);
|
|
proto_tree_add_item(tree, hf_usb_urb_len, tvb, 32, 4, ENC_HOST_ENDIAN);
|
|
proto_tree_add_item(tree, hf_usb_urb_data_len, tvb, 36, 4, ENC_HOST_ENDIAN);
|
|
|
|
return 40;
|
|
}
|
|
|
|
/* dissect the usbpcap_buffer_packet_header and fill the conversation struct
|
|
this function does not handle the transfer-specific headers
|
|
return the number of bytes processed */
|
|
static gint
|
|
dissect_usbpcap_buffer_packet_header(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
usb_conv_info_t *usb_conv_info, guint32 *win32_data_len, guint64 *irp_id)
|
|
{
|
|
guint8 transfer_type;
|
|
guint8 endpoint_byte;
|
|
guint8 transfer_type_and_direction;
|
|
guint8 tmp_val8;
|
|
|
|
proto_tree_add_item(tree, hf_usb_win32_header_len, tvb, 0, 2, ENC_LITTLE_ENDIAN);
|
|
*irp_id = tvb_get_guint64(tvb, 2, ENC_LITTLE_ENDIAN);
|
|
proto_tree_add_uint64(tree, hf_usb_irp_id, tvb, 2, 8, *irp_id);
|
|
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);
|
|
tmp_val8 = tvb_get_guint8(tvb, 16);
|
|
/* TODO: Handle errors */
|
|
if (tmp_val8 & 0x01) {
|
|
usb_conv_info->is_request = FALSE;
|
|
} else {
|
|
usb_conv_info->is_request = TRUE;
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_usb_bus_id, tvb, 17, 2, ENC_LITTLE_ENDIAN);
|
|
usb_conv_info->bus_id = tvb_get_letohs(tvb, 17);
|
|
|
|
proto_tree_add_item(tree, hf_usb_win32_device_address, tvb, 19, 2, ENC_LITTLE_ENDIAN);
|
|
usb_conv_info->device_address = tvb_get_letohs(tvb, 19);
|
|
|
|
endpoint_byte = tvb_get_guint8(tvb, 21);
|
|
usb_conv_info->direction = endpoint_byte&URB_TRANSFER_IN ? P2P_DIR_RECV : P2P_DIR_SENT;
|
|
usb_conv_info->endpoint = endpoint_byte&0x7F;
|
|
proto_tree_add_bitmask(tree, tvb, 21, hf_usb_endpoint_number, ett_usb_endpoint, usb_endpoint_fields, ENC_LITTLE_ENDIAN);
|
|
|
|
transfer_type = tvb_get_guint8(tvb, 22);
|
|
usb_conv_info->transfer_type = transfer_type;
|
|
proto_tree_add_item(tree, hf_usb_transfer_type, tvb, 22, 1, ENC_LITTLE_ENDIAN);
|
|
|
|
transfer_type_and_direction = (transfer_type & 0x7F) | (endpoint_byte & 0x80);
|
|
col_append_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(transfer_type_and_direction, usb_transfer_type_and_direction_vals, "Unknown type %x"));
|
|
|
|
*win32_data_len = tvb_get_letohl(tvb, 23);
|
|
proto_tree_add_item(tree, hf_usb_win32_data_len, tvb, 23, 4, ENC_LITTLE_ENDIAN);
|
|
|
|
/* by default, we assume it's no setup packet
|
|
the correct values will be set when we parse the control header */
|
|
usb_conv_info->is_setup = FALSE;
|
|
usb_conv_info->setup_requesttype = 0;
|
|
|
|
/* we don't handle the transfer-specific headers here */
|
|
return 27;
|
|
}
|
|
|
|
/* Set the usb_address_t fields based on the direction of the urb */
|
|
void
|
|
usb_set_addr(proto_tree *tree, tvbuff_t *tvb, packet_info *pinfo, guint16 bus_id, guint16 device_address,
|
|
int endpoint, gboolean req)
|
|
{
|
|
proto_item *sub_item;
|
|
usb_address_t *src_addr = wmem_new0(pinfo->pool, usb_address_t),
|
|
*dst_addr = wmem_new0(pinfo->pool, usb_address_t);
|
|
guint8 *str_src_addr;
|
|
guint8 *str_dst_addr;
|
|
|
|
if (req) {
|
|
/* request */
|
|
src_addr->device = 0xffffffff;
|
|
src_addr->endpoint = NO_ENDPOINT;
|
|
dst_addr->device = GUINT16_TO_LE(device_address);
|
|
dst_addr->endpoint = GUINT32_TO_LE(endpoint);
|
|
} else {
|
|
/* response */
|
|
src_addr->device = GUINT16_TO_LE(device_address);
|
|
src_addr->endpoint = GUINT32_TO_LE(endpoint);
|
|
dst_addr->device = 0xffffffff;
|
|
dst_addr->endpoint = NO_ENDPOINT;
|
|
}
|
|
src_addr->bus_id = GUINT16_TO_LE(bus_id);
|
|
dst_addr->bus_id = GUINT16_TO_LE(bus_id);
|
|
|
|
SET_ADDRESS(&pinfo->net_src, AT_USB, USB_ADDR_LEN, (char *)src_addr);
|
|
COPY_ADDRESS_SHALLOW(&pinfo->src, &pinfo->net_src);
|
|
SET_ADDRESS(&pinfo->net_dst, AT_USB, USB_ADDR_LEN, (char *)dst_addr);
|
|
COPY_ADDRESS_SHALLOW(&pinfo->dst, &pinfo->net_dst);
|
|
|
|
pinfo->ptype = PT_USB;
|
|
pinfo->srcport = src_addr->endpoint;
|
|
pinfo->destport = dst_addr->endpoint;
|
|
|
|
str_src_addr = address_to_str(wmem_packet_scope(), &pinfo->src);
|
|
str_dst_addr = address_to_str(wmem_packet_scope(), &pinfo->dst);
|
|
|
|
sub_item = proto_tree_add_string(tree, hf_usb_src, tvb, 0, 0, str_src_addr);
|
|
PROTO_ITEM_SET_GENERATED(sub_item);
|
|
|
|
sub_item = proto_tree_add_string(tree, hf_usb_addr, tvb, 0, 0, str_src_addr);
|
|
PROTO_ITEM_SET_HIDDEN(sub_item);
|
|
|
|
sub_item = proto_tree_add_string(tree, hf_usb_dst, tvb, 0, 0, str_dst_addr);
|
|
PROTO_ITEM_SET_GENERATED(sub_item);
|
|
|
|
sub_item = proto_tree_add_string(tree, hf_usb_addr, tvb, 0, 0, str_dst_addr);
|
|
PROTO_ITEM_SET_HIDDEN(sub_item);
|
|
}
|
|
|
|
|
|
/* Gets the transfer info for a given packet
|
|
* Generates transfer info if none exists yet
|
|
* Also adds request/response info to the tree for the given packet */
|
|
usb_trans_info_t
|
|
*usb_get_trans_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
usb_header_t header_type, usb_conv_info_t *usb_conv_info, guint64 usb_id)
|
|
{
|
|
usb_trans_info_t *usb_trans_info;
|
|
proto_item *ti;
|
|
nstime_t t, deltat;
|
|
wmem_tree_key_t key[3];
|
|
|
|
/* request/response matching so we can keep track of transaction specific
|
|
* data.
|
|
*/
|
|
key[0].length = 2;
|
|
key[0].key = (guint32 *)&usb_id;
|
|
key[1].length = 1;
|
|
key[1].key = &PINFO_FD_NUM(pinfo);
|
|
key[2].length = 0;
|
|
key[2].key = NULL;
|
|
|
|
if (usb_conv_info->is_request) {
|
|
/* this is a request */
|
|
usb_trans_info = (usb_trans_info_t *)wmem_tree_lookup32_array(usb_conv_info->transactions, key);
|
|
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_type = header_type;
|
|
usb_trans_info->usb_id = usb_id;
|
|
|
|
wmem_tree_insert32_array(usb_conv_info->transactions, key, usb_trans_info);
|
|
}
|
|
|
|
if (usb_trans_info->response_in) {
|
|
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_array(usb_conv_info->transactions, key);
|
|
|
|
} else {
|
|
usb_trans_info = (usb_trans_info_t *)wmem_tree_lookup32_array_le(usb_conv_info->transactions, key);
|
|
if (usb_trans_info) {
|
|
if (usb_trans_info->usb_id == usb_id) {
|
|
if (usb_trans_info->response_in == 0) {
|
|
/* USBPcap generates 2 frames for response; store the first one */
|
|
usb_trans_info->response_in = pinfo->fd->num;
|
|
}
|
|
wmem_tree_insert32_array(usb_conv_info->transactions, key, usb_trans_info);
|
|
} else {
|
|
usb_trans_info = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (usb_trans_info && usb_trans_info->request_in) {
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
return usb_trans_info;
|
|
}
|
|
|
|
|
|
/* dissect a group of isochronous packets inside an usb packet in
|
|
usbpcap format */
|
|
static gint
|
|
dissect_usbpcap_iso_packets(packet_info *pinfo _U_, proto_tree *urb_tree, guint8 urb_type,
|
|
tvbuff_t *tvb, gint offset, guint32 win32_data_len, usb_conv_info_t *usb_conv_info)
|
|
{
|
|
guint32 i;
|
|
guint32 num_packets;
|
|
guint32 data_start_offset;
|
|
proto_item *urb_tree_ti;
|
|
|
|
proto_tree_add_item(urb_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(urb_tree, hf_usb_win32_iso_num_packets, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(urb_tree, hf_usb_win32_iso_error_count, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
data_start_offset = offset + 12 * num_packets;
|
|
urb_tree_ti = proto_tree_get_parent(urb_tree);
|
|
proto_item_set_len(urb_tree_ti, data_start_offset);
|
|
|
|
for (i = 0; i < num_packets; i++) {
|
|
guint32 this_offset;
|
|
guint32 next_offset;
|
|
guint32 iso_len;
|
|
proto_item *iso_packet_ti, *ti;
|
|
proto_tree *iso_packet_tree;
|
|
|
|
iso_packet_ti = proto_tree_add_protocol_format(
|
|
proto_tree_get_root(urb_tree), proto_usb,
|
|
tvb, offset, 12, "USB isochronous packet");
|
|
iso_packet_tree = proto_item_add_subtree(iso_packet_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 (!((usb_conv_info->is_request && usb_conv_info->direction==P2P_DIR_SENT) ||
|
|
(!usb_conv_info->is_request && usb_conv_info->direction==P2P_DIR_RECV))) {
|
|
iso_len = 0;
|
|
}
|
|
|
|
proto_tree_add_item(iso_packet_tree, hf_usb_win32_iso_offset, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
ti = proto_tree_add_item(iso_packet_tree, hf_usb_win32_iso_length, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
if (usb_conv_info->direction==P2P_DIR_SENT) {
|
|
/* Isochronous OUT transfer */
|
|
proto_item_append_text(ti, " (not used)");
|
|
} else {
|
|
/* Isochronous IN transfer.
|
|
* Length field is being set by host controller.
|
|
*/
|
|
if (usb_conv_info->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(iso_packet_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_captured_length(tvb)) {
|
|
proto_tree_add_item(iso_packet_tree, hf_usb_iso_data, tvb, (gint)(data_start_offset + this_offset), (gint)iso_len, ENC_NA);
|
|
proto_tree_set_appendix(iso_packet_tree, tvb, (gint)(data_start_offset + this_offset), (gint)iso_len);
|
|
}
|
|
}
|
|
|
|
if ((usb_conv_info->is_request && usb_conv_info->direction==P2P_DIR_SENT) ||
|
|
(!usb_conv_info->is_request && usb_conv_info->direction==P2P_DIR_RECV)) {
|
|
/* We have dissected all the isochronous data */
|
|
offset += win32_data_len;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static gint
|
|
dissect_linux_usb_iso_transfer(packet_info *pinfo _U_, proto_tree *urb_tree,
|
|
usb_header_t header_type, tvbuff_t *tvb, gint offset,
|
|
usb_conv_info_t *usb_conv_info)
|
|
{
|
|
guint32 iso_numdesc = 0;
|
|
proto_item *tii;
|
|
guint32 val32;
|
|
guint32 i;
|
|
guint data_base;
|
|
guint32 iso_status;
|
|
guint32 iso_off = 0;
|
|
guint32 iso_len = 0;
|
|
|
|
tii = proto_tree_add_uint(urb_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().
|
|
*/
|
|
|
|
/* iso urbs on linux can't possibly contain a setup packet
|
|
see mon_bin_event() in the linux kernel */
|
|
|
|
/* 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.
|
|
*/
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&val32, offset, 4);
|
|
proto_tree_add_uint(urb_tree, hf_usb_iso_error_count, tvb, offset, 4, val32);
|
|
offset += 4;
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&iso_numdesc, offset, 4);
|
|
proto_tree_add_uint(urb_tree, hf_usb_iso_numdesc, tvb, offset, 4, iso_numdesc);
|
|
offset += 4;
|
|
|
|
if (header_type == USB_HEADER_LINUX_64_BYTES) {
|
|
offset = dissect_linux_usb_pseudo_header_ext(tvb, offset, pinfo, urb_tree);
|
|
}
|
|
|
|
data_base = offset + iso_numdesc*16;
|
|
for (i = 0; i<iso_numdesc; i++) {
|
|
proto_item *iso_desc_ti;
|
|
proto_tree *iso_desc_tree;
|
|
guint32 iso_pad;
|
|
|
|
/* 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);
|
|
|
|
iso_desc_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"));
|
|
if (iso_len > 0)
|
|
proto_item_append_text(iso_desc_ti, " (%u bytes)", iso_len);
|
|
iso_desc_tree = proto_item_add_subtree(iso_desc_ti, usb_isodesc);
|
|
|
|
proto_tree_add_int(iso_desc_tree, hf_usb_iso_status, tvb, offset, 4, iso_status);
|
|
offset += 4;
|
|
|
|
proto_tree_add_uint(iso_desc_tree, hf_usb_iso_off, tvb, offset, 4, iso_off);
|
|
offset += 4;
|
|
|
|
proto_tree_add_uint(iso_desc_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_captured_length(tvb)) {
|
|
proto_tree_add_item(iso_desc_tree, hf_usb_iso_data, tvb, data_base + iso_off, iso_len, ENC_NA);
|
|
proto_tree_set_appendix(iso_desc_tree, tvb, (gint)(data_base+iso_off), (gint)iso_len);
|
|
}
|
|
|
|
tvb_memcpy(tvb, (guint8 *)&iso_pad, offset, 4);
|
|
proto_tree_add_uint(iso_desc_tree, hf_usb_iso_pad, tvb, offset, 4, iso_pad);
|
|
offset += 4;
|
|
}
|
|
|
|
/* we jump to the end of the last iso data chunk
|
|
this assumes that the iso data starts immediately after the
|
|
iso descriptors
|
|
we have to use the offsets from the last iso descriptor, we can't keep
|
|
track of the offset ourselves as there may be gaps
|
|
between data packets in the transfer buffer */
|
|
return data_base+iso_off+iso_len;
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_usb_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent,
|
|
usb_header_t header_type)
|
|
{
|
|
gint offset = 0;
|
|
int endpoint;
|
|
guint8 urb_type;
|
|
guint32 win32_data_len = 0;
|
|
proto_item *urb_tree_ti;
|
|
proto_tree *tree;
|
|
proto_item *item;
|
|
usb_conv_info_t *usb_conv_info;
|
|
conversation_t *conversation;
|
|
guint16 device_address;
|
|
guint16 bus_id;
|
|
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;
|
|
guint8 usbpcap_control_stage = 0;
|
|
guint64 usb_id;
|
|
|
|
|
|
/* the goal is to get the conversation struct as early as possible
|
|
and store all status values in this struct
|
|
at first, we read the fields required to create/identify
|
|
the right conversation struct */
|
|
switch (header_type) {
|
|
|
|
case USB_HEADER_LINUX_48_BYTES:
|
|
case USB_HEADER_LINUX_64_BYTES:
|
|
urb_type = tvb_get_guint8(tvb, 8);
|
|
endpoint = tvb_get_guint8(tvb, 10) & 0x7F;
|
|
device_address = (guint16)tvb_get_guint8(tvb, 11);
|
|
bus_id = tvb_get_letohs(tvb, 12);
|
|
break;
|
|
|
|
case USB_HEADER_USBPCAP:
|
|
urb_type = tvb_get_guint8(tvb, 16) & 0x01 ? URB_COMPLETE : URB_SUBMIT;
|
|
device_address = tvb_get_letohs(tvb, 19);
|
|
endpoint = tvb_get_guint8(tvb, 21) & 0x7F;
|
|
bus_id = tvb_get_letohs(tvb, 17);
|
|
break;
|
|
|
|
case USB_HEADER_MAUSB:
|
|
return; /* invalid USB pseudo header */
|
|
|
|
default:
|
|
return; /* invalid USB pseudo header */
|
|
}
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "USB");
|
|
urb_tree_ti = proto_tree_add_protocol_format(parent, proto_usb, tvb, 0, -1, "USB URB");
|
|
tree = proto_item_add_subtree(urb_tree_ti, usb_hdr);
|
|
|
|
usb_set_addr(tree, tvb, pinfo, bus_id, device_address, endpoint,
|
|
(urb_type == URB_SUBMIT));
|
|
|
|
conversation = get_usb_conversation(pinfo, &pinfo->src, &pinfo->dst, pinfo->srcport, pinfo->destport);
|
|
usb_conv_info = get_usb_conv_info(conversation);
|
|
clear_usb_conv_tmp_data(usb_conv_info);
|
|
|
|
|
|
switch (header_type) {
|
|
|
|
case USB_HEADER_LINUX_48_BYTES:
|
|
case USB_HEADER_LINUX_64_BYTES:
|
|
proto_item_set_len(urb_tree_ti, (header_type == USB_HEADER_LINUX_64_BYTES) ? 64 : 48);
|
|
offset = dissect_linux_usb_pseudo_header(tvb, pinfo, tree, usb_conv_info, &usb_id);
|
|
break;
|
|
|
|
case USB_HEADER_USBPCAP:
|
|
offset = dissect_usbpcap_buffer_packet_header(tvb, pinfo, tree, usb_conv_info, &win32_data_len, &usb_id);
|
|
/* the length that we're setting here might have to be corrected
|
|
if there's a transfer-specific pseudo-header following */
|
|
proto_item_set_len(urb_tree_ti, offset);
|
|
break;
|
|
|
|
case USB_HEADER_MAUSB:
|
|
default:
|
|
usb_id = 0;
|
|
break;
|
|
}
|
|
|
|
usb_conv_info->usb_trans_info = usb_get_trans_info(tvb, pinfo, tree, header_type, usb_conv_info, usb_id);
|
|
|
|
if (usb_conv_info->transfer_type != URB_CONTROL) {
|
|
usb_tap_queue_packet(pinfo, urb_type, usb_conv_info);
|
|
}
|
|
|
|
switch(usb_conv_info->transfer_type) {
|
|
case URB_BULK:
|
|
case URB_INTERRUPT:
|
|
item = proto_tree_add_uint(tree, hf_usb_bInterfaceClass, tvb, 0, 0, usb_conv_info->interfaceClass);
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
|
|
switch (header_type) {
|
|
|
|
case USB_HEADER_LINUX_48_BYTES:
|
|
case USB_HEADER_LINUX_64_BYTES:
|
|
/* bulk and interrupt transfers never contain a setup packet */
|
|
proto_tree_add_item(tree, hf_usb_urb_unused_setup_header, tvb, offset, 8, ENC_NA);
|
|
offset += 8;
|
|
if (header_type == USB_HEADER_LINUX_64_BYTES) {
|
|
offset = dissect_linux_usb_pseudo_header_ext(tvb, offset, pinfo, tree);
|
|
}
|
|
break;
|
|
|
|
case USB_HEADER_USBPCAP:
|
|
break;
|
|
|
|
case USB_HEADER_MAUSB:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case URB_CONTROL:
|
|
if (header_type == USB_HEADER_USBPCAP) {
|
|
proto_tree_add_item(tree, hf_usb_control_stage, tvb, offset, 1, ENC_LITTLE_ENDIAN);
|
|
usbpcap_control_stage = tvb_get_guint8(tvb, offset);
|
|
if (usbpcap_control_stage == USB_CONTROL_STAGE_SETUP)
|
|
usb_conv_info->is_setup = TRUE;
|
|
offset++;
|
|
proto_item_set_len(urb_tree_ti, offset);
|
|
}
|
|
|
|
if (usb_conv_info->is_request) {
|
|
if (usb_conv_info->is_setup) {
|
|
offset = dissect_usb_setup_request(pinfo, tree, tvb, offset,
|
|
urb_type, usb_conv_info, header_type);
|
|
|
|
} else {
|
|
switch (header_type) {
|
|
|
|
case USB_HEADER_LINUX_48_BYTES:
|
|
case USB_HEADER_LINUX_64_BYTES:
|
|
proto_tree_add_item(tree, hf_usb_urb_unused_setup_header, tvb, offset, 8, ENC_NA);
|
|
offset += 8;
|
|
if (header_type == USB_HEADER_LINUX_64_BYTES) {
|
|
offset = dissect_linux_usb_pseudo_header_ext(tvb, offset, pinfo, tree);
|
|
}
|
|
break;
|
|
|
|
case USB_HEADER_USBPCAP:
|
|
break;
|
|
|
|
case USB_HEADER_MAUSB:
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
/* this is a response */
|
|
|
|
switch (header_type) {
|
|
|
|
case USB_HEADER_LINUX_48_BYTES:
|
|
case USB_HEADER_LINUX_64_BYTES:
|
|
/* Skip setup header - it's never applicable for responses */
|
|
proto_tree_add_item(tree, hf_usb_urb_unused_setup_header, tvb, offset, 8, ENC_NA);
|
|
offset += 8;
|
|
if (header_type == USB_HEADER_LINUX_64_BYTES) {
|
|
offset = dissect_linux_usb_pseudo_header_ext(tvb, offset, pinfo, tree);
|
|
}
|
|
break;
|
|
|
|
case USB_HEADER_USBPCAP:
|
|
/* Check if this is status stage */
|
|
if ((usb_conv_info->usb_trans_info) &&
|
|
(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;
|
|
}
|
|
break;
|
|
|
|
case USB_HEADER_MAUSB:
|
|
break;
|
|
}
|
|
|
|
offset = dissect_usb_setup_response(pinfo, tree, tvb, offset,
|
|
urb_type, usb_conv_info);
|
|
}
|
|
break;
|
|
case URB_ISOCHRONOUS:
|
|
switch (header_type) {
|
|
|
|
case USB_HEADER_LINUX_48_BYTES:
|
|
case USB_HEADER_LINUX_64_BYTES:
|
|
offset = dissect_linux_usb_iso_transfer(pinfo, tree, header_type,
|
|
tvb, offset, usb_conv_info);
|
|
break;
|
|
|
|
case USB_HEADER_USBPCAP:
|
|
offset = dissect_usbpcap_iso_packets(pinfo, tree,
|
|
urb_type, tvb, offset, win32_data_len, usb_conv_info);
|
|
break;
|
|
|
|
case USB_HEADER_MAUSB:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/* unknown transfer type */
|
|
switch (header_type) {
|
|
case USB_HEADER_LINUX_48_BYTES:
|
|
case USB_HEADER_LINUX_64_BYTES:
|
|
proto_tree_add_item(tree, hf_usb_urb_unused_setup_header, tvb, offset, 8, ENC_NA);
|
|
offset += 8;
|
|
if (header_type == USB_HEADER_LINUX_64_BYTES) {
|
|
offset = dissect_linux_usb_pseudo_header_ext(tvb, offset, pinfo, tree);
|
|
}
|
|
break;
|
|
|
|
case USB_HEADER_USBPCAP:
|
|
break;
|
|
|
|
case USB_HEADER_MAUSB:
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
k_frame_number = pinfo->fd->num;
|
|
k_device_address = device_address;
|
|
k_bus_id = usb_conv_info->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 == usb_conv_info->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));
|
|
}
|
|
|
|
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 == usb_conv_info->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));
|
|
usb_conv_info->device_protocol = device_protocol_data->protocol;
|
|
}
|
|
|
|
p_add_proto_data(pinfo->pool, pinfo, proto_usb, USB_BUS_ID, GUINT_TO_POINTER((guint)usb_conv_info->bus_id));
|
|
p_add_proto_data(pinfo->pool, pinfo, proto_usb, USB_DEVICE_ADDRESS, GUINT_TO_POINTER((guint)device_address));
|
|
|
|
if (tvb_captured_length_remaining(tvb, offset) > 0) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
offset += try_dissect_next_protocol(parent, next_tvb, pinfo, usb_conv_info, urb_type, tree);
|
|
}
|
|
|
|
if (tvb_captured_length_remaining(tvb, offset) > 0) {
|
|
/* There is still 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_LINUX_48_BYTES);
|
|
}
|
|
|
|
static void
|
|
dissect_linux_usb_mmapped(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent)
|
|
{
|
|
dissect_usb_common(tvb, pinfo, parent, USB_HEADER_LINUX_64_BYTES);
|
|
}
|
|
|
|
|
|
static void
|
|
dissect_win32_usb(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent)
|
|
{
|
|
dissect_usb_common(tvb, pinfo, parent, USB_HEADER_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 }},
|
|
|
|
{ &hf_usb_urb_unused_setup_header,
|
|
{ "Unused Setup Header",
|
|
"usb.unused_setup_header", FT_NONE, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
|
|
{ &hf_usb_urb_interval,
|
|
{ "Interval",
|
|
"usb.interval", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
|
|
{ &hf_usb_urb_start_frame,
|
|
{ "Start frame",
|
|
"usb.start_frame", FT_UINT32, BASE_DEC,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
|
|
{ &hf_usb_urb_copy_of_transfer_flags,
|
|
{ "Copy of Transfer Flags",
|
|
"usb.copy_of_transfer_flags", FT_UINT32, BASE_HEX,
|
|
NULL, 0x0, NULL, 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 }},
|
|
|
|
/* Only used when response type cannot be determined */
|
|
{ &hf_usb_control_response_generic,
|
|
{ "CONTROL response data", "usb.control.Response",
|
|
FT_BYTES, BASE_NONE, 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_HEX, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_length,
|
|
{ "wLength", "usb.setup.wLength",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_device_wFeatureSelector,
|
|
{ "wFeatureSelector", "usb.setup.wFeatureSelector",
|
|
FT_UINT16, BASE_DEC, VALS(usb_device_feature_selector_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_interface_wFeatureSelector,
|
|
{ "wFeatureSelector", "usb.setup.wFeatureSelector",
|
|
FT_UINT16, BASE_DEC, VALS(usb_interface_feature_selector_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_endpoint_wFeatureSelector,
|
|
{ "wFeatureSelector", "usb.setup.wFeatureSelector",
|
|
FT_UINT16, BASE_DEC, VALS(usb_endpoint_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 }},
|
|
|
|
/* Only used when descriptor type cannot be determined */
|
|
{ &hf_usb_get_descriptor_resp_generic,
|
|
{ "GET DESCRIPTOR Response data", "usb.getDescriptor.Response",
|
|
FT_BYTES, BASE_NONE, 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 | BASE_EXT_STRING, &usb_hid_subclass_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceSubClass_app,
|
|
{ "bInterfaceProtocol", "usb.bInterfaceSubClass",
|
|
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &usb_app_subclass_vals_ext, 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 | BASE_EXT_STRING, &usb_hid_boot_protocol_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceProtocol_app_dfu,
|
|
{ "bInterfaceProtocol", "usb.bInterfaceProtocol",
|
|
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &usb_app_dfu_protocol_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceProtocol_app_irda,
|
|
{ "bInterfaceProtocol", "usb.bInterfaceProtocol",
|
|
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &usb_app_irda_protocol_vals_ext, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_usb_bInterfaceProtocol_app_usb_test_and_measurement,
|
|
{ "bInterfaceProtocol", "usb.bInterfaceProtocol",
|
|
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &usb_app_usb_test_and_measurement_protocol_vals_ext, 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 }},
|
|
|
|
{ &hf_usb_data_fragment,
|
|
{ "Data Fragment",
|
|
"usb.data_fragment", FT_BYTES, BASE_NONE,
|
|
NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_usb_src,
|
|
{ "Source", "usb.src",
|
|
FT_STRING, STR_ASCII, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_usb_dst,
|
|
{ "Destination", "usb.dst",
|
|
FT_STRING, STR_ASCII, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_usb_addr,
|
|
{ "Source or Destination", "usb.addr",
|
|
FT_STRING, STR_ASCII, 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 }},
|
|
{ &ei_usb_invalid_setup, { "usb.setup.invalid", PI_MALFORMED, PI_ERROR, "Only control URBs may contain a setup packet", EXPFILL }}
|
|
};
|
|
|
|
expert_module_t* expert_usb;
|
|
|
|
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);
|
|
|
|
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);
|
|
|
|
usb_bulk_dissector_table = register_dissector_table("usb.bulk",
|
|
"USB bulk endpoint", FT_UINT8, BASE_DEC);
|
|
heur_bulk_subdissector_list = register_heur_dissector_list("usb.bulk");
|
|
usb_control_dissector_table = register_dissector_table("usb.control",
|
|
"USB control endpoint", FT_UINT8, BASE_DEC);
|
|
heur_control_subdissector_list = register_heur_dissector_list("usb.control");
|
|
usb_interrupt_dissector_table = register_dissector_table("usb.interrupt",
|
|
"USB interrupt endpoint", FT_UINT8, BASE_DEC);
|
|
heur_interrupt_subdissector_list = register_heur_dissector_list("usb.interrupt");
|
|
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);
|
|
|
|
register_conversation_table(proto_usb, TRUE, usb_conversation_packet, usb_hostlist_packet);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_usb(void)
|
|
{
|
|
dissector_handle_t linux_usb_mmapped_handle;
|
|
dissector_handle_t win32_usb_handle;
|
|
|
|
data_handle = find_dissector("data");
|
|
|
|
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:
|
|
*/
|