Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 7633] Decode Bluetooth HS 4-way handshake over 802.11 media

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https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7633

--- Comment #2 from Andrei Emeltchenko <andrei.emeltchenko.news@xxxxxxxxx> 2012-09-18 01:15:03 PDT ---
(In reply to comment #1)
> Comment on attachment 8954 [details]
> [PATCH] Decode Bluetooth HS 4-way handshake over 802.11 media
> 
> 0x0003 is not an Ethernet type, so the EAPOL dissector should *NOT* be
> registered in the "ethertype" table with a value of 0x0003.
> 
> Instead, it's a protocol ID in the space of SNAP protocol IDs for the OUI value
> 00:19:58, i.e. OUI_BLUETOOTH, so what you want to do is to:
> 
>     register a dissector table for the OUI value OUI_BLUETOOTH - for an example
> of how to do this, see proto_register_cisco_oui() in
> epan/dissectors/packet-cisco-oui.c;
> 
>     in that dissector table, register the EAPOL dissector in *THAT* dissector
> table with a protocol ID of 0x0003.

Do you mean something like this:

void
proto_reg_handoff_bt_oui(void)
{
    eapol_handle = find_dissector("eapol");

    printf("%s handle %p\n", __FUNCTION__, eapol_handle);

    dissector_add_uint("llc.bluetooth_pid", 0x0003, eapol_handle);
}


void
proto_register_bt_oui(void)
{
    static hf_register_info hf[] = {
      { &hf_llc_bluetooth_pid,
        { "PID",    "llc.bluetooth_pid",  FT_UINT16, BASE_HEX,
          VALS(bluetooth_pid_vals), 0x0, "Protocol ID", HFILL }
      }
    };

    llc_add_oui(OUI_BLUETOOTH, "llc.bluetooth_pid", "Bluetooth OUI PID", hf);
}

For some reason eapol_handle == NULL. Have I done something wrong?

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