ph_llc_i.cc

/*
 * Copyright (c) 2001 - 2003
 *      Sebastian Majewski. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Sebastian Majewski
 *      and his contributors.
 * 4. Neither the name of Sebastian Majewski nor the names of his contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */


#include <netz.h>

#include "support.h"
#include "ph_packet.h"



c_string print_sap(byte);



c_string llc_i_packet_handler(c_packet_info packet_info)
{
    c_string output_string;

    c_llc_i_header header(packet_info.packet);

    output_string.add((char*)"LLC I\t");

    output_string.add_hex((char*)"DSAP 0x%02X ",
        header.get_dsap());

    output_string.add_bin((char*)"(%u%u%u%u%u%u%u|%u) (",
        header.get_dsap());

    output_string += print_sap(header.get_dsap());

    if(header.get_dsap_ig())
    {
        output_string.add((char*)", Group Address");
    }
    else
    {
        output_string.add((char*)", Individual Address");
    }

    output_string.add((char*)")\n");

    output_string.add_hex((char*)"\tSSAP 0x%02X ",
        header.get_ssap());

    output_string.add_bin((char*)"(%u%u%u%u%u%u%u|%u) (",
        header.get_ssap());

    output_string += print_sap(header.get_ssap());

    if(header.get_ssap_cr())
    {
        output_string.add((char*)", Response");
    }
    else
    {
        output_string.add((char*)", Command");
    }

    output_string.add((char*)")\n");

    output_string.add((char*)"\tCTRL ");

    output_string.add_hex((char*)"0x%02X%02X ",
        header.get_ctrl());

    output_string.add_bin((char*)"(%u%u%u%u%u%u%u|%u|%u%u%u%u%u%u%u|%u|) ",
        header.get_ctrl());

    output_string.add((char*)"(I-type, N(S) %u, N(R) %u",
        header.get_ctrl_ns(),
        header.get_ctrl_ns());

    if(header.get_ctrl_pf())
    {
        if(header.get_ssap_cr())
        {
            output_string.add((char*)", Finall");
        }
        else
        {
            output_string.add((char*)", Poll");
        }
    }

    output_string.add((char*)")\n");

    output_string += debug(packet_info);
 
    output_string += print_line();

    return output_string;
}


c_string print_sap(byte sap)
{
    switch(sap)
    {
        case LLC_SAP_NLSAP:
            return c_string((char*)"Null LSAP");

        case LLC_SAP_ILSM:
            return c_string((char*)"Individual LLC Sublayer Management");

        case LLC_SAP_GLSM:
            return c_string((char*)"Group LLC Sublayer Management");

        case LLC_SAP_SNAPC:
            return c_string((char*)"SNA Path Control");

        case LLC_SAP_DODIP:
            return c_string((char*)"DoD IP");

        case LLC_SAP_PLAN_0E:
            return c_string((char*)"PROWAY-LAN");

        case LLC_SAP_EIA:
            return c_string((char*)"EIA-RS 511");

        case LLC_SAP_ISIIP:
            return c_string((char*)"ISI IP");

        case LLC_SAP_PLAN_8E:
            return c_string((char*)"PROWAY-LAN");

        case LLC_SAP_3COM:
            return c_string((char*)"3Com");

        case LLC_SAP_SNAP:
            return c_string((char*)"SNAP");

        case LLC_SAP_BC:
            return c_string((char*)"Banyan");

        case LLC_SAP_LANMAN:
            return c_string((char*)"Lan Manager");

        case LLC_SAP_NOVELL:
            return c_string((char*)"Novell");

        case LLC_SAP_NETBEUI:
            return c_string((char*)"NetBEUI");

        case LLC_SAP_CLNS:
            return c_string((char*)"ISO CLNS IS 8473");

        case LLC_SAP_GLOBAL:
            return c_string((char*)"Global DSAP");

        default:
            return c_string((char*)"Unknown");
    }
}