Study the usb specification to get deeper understand about usb protocols and packets. Implement usbdump_read, usbdump_seek_read, usbdump_read_record to implement reading support for usbdump to Wiresharkįinish file reading support for usbdump file formatįix several crashes/bugs while building wireshark with my patch and doing small testsĪdd hooks to make Wireshark dissect packet header of usbdump packetsĪdd hooks and dissectors to make Wireshark dissect USB CONTROL setup packets of usbdump packetsĪdd data flow direction (between host and specific endpoint), fix offset bug in usb standard setup dissection (but there still exists a bug: Wireshark will display malformed packet after the dissection). Study the file format of usbdump, declare usbdump_read_record to read the packet record Implement usbdump_open for checking if an open file is of usbdump format Start learning wiretap library of Wireshark, declare and register key routines: usbdump_open, usbdump_read, usbdump_seek_read These documents can help others understand the code, thereby improve its maintainability. This should include the structure specification of the usbdump file-format, code organization, main data structure specification, etc.
The usbdump use the Berkeley Packet Filter (BPF) behind the scene, BPF and its packet structure is well-documented. By diving into Wireshark’s wiretap library, which handles a number of formats it supports, we can add support for usbdump file-format. Currently Wireshark does not support usbdump file-format of FreeBSD. Wireshark is a widely used network packet analyzer which is capable of capturing network packets and displaying the packet data as detailed as possible.
usbdump is the userland program of FreeBSD USB subsystem, which allows capturing packets that go through each USB host. This project will add support for usbdump file-format to Wireshark. Add support for usbdump file-format to Wireshark.
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