//
// $Copyright$
//
// $Name:  $
//
// $Id: RTU_A_DM_HBHH_opttype.def,v 1.1.1.1 2000/10/31 22:38:51 sekiya Exp $
//

#include "./RTU_A_common.def"
//======================================================================
//
// AH/ESP definition
//

//======================================================================
//
// HBH Opt Hdr predefinition
//
// highest-order three bits of option type
//   00x - skip over this option and continue processing the header.
//   xx0 - Option Data does not change en-route
//   xx1 - Option Data may change en-route

// Type000
Hdr_HopByHop opt_Type000 {
	option = _Type000;
}
Opt_ANY _Type000 {
	OptionType = 0x02;
	data = {0x0f,0x0f,0x00,0x00};
}

// Type001
Hdr_HopByHop opt_Type001 {
	option = _Type001;
}
Opt_ANY _Type001 {
	OptionType = 0x22;
	data = {0x0f,0x0f,0x00,0x00};
}


//======================================================================
//
// Real packet definition with IPsec AH
//

FEM_hdr_ipv6_exth(
	ahtun_from_sg1_net2_hbhopt_echo_request_from_host1_net4_to_host1_net1_on_net0,
	hether_router2nut,
	{
		_SRC(v6(IPSEC_SG1_NET2_ADDR));
		_DST(v6(IPSEC_NUT_NET0_ADDR));
	},
	{
		header = _HDR_IPV6_NAME(ahtun_from_sg1_net2_hbhopt_echo_request_from_host1_net4_to_host1_net1_on_net0);
		exthdr = opt_Type000;
		exthdr = ah_from_sg_sn2;
		upper = _PACKET_IPV6_NAME(echo_request_from_host1_net4_to_host1_net1_on_net0);
	}
)


FEM_hdr_ipv6_exth(
	ahtun_from_sg1_net2_real_000,
	hether_router2nut,
	{
		_SRC(v6(IPSEC_SG1_NET2_ADDR));
		_DST(v6(IPSEC_NUT_NET0_ADDR));
	},
	{
		header = _HDR_IPV6_NAME(ahtun_from_sg1_net2_real_000);
		exthdr = opt_Type000;
		exthdr = ah_from_sg_sn3;
		upper = _PACKET_IPV6_NAME(echo_request_from_host1_net4_to_host1_net1_on_net0);
	}
)

FEM_hdr_ipv6_exth(
	ahtun_from_sg1_net2_real_001,
	hether_router2nut,
	{
		_SRC(v6(IPSEC_SG1_NET2_ADDR));
		_DST(v6(IPSEC_NUT_NET0_ADDR));
	},
	{
		header = _HDR_IPV6_NAME(ahtun_from_sg1_net2_real_001);
		exthdr = opt_Type001;
		exthdr = ah_from_sg_sn4;
		upper = _PACKET_IPV6_NAME(echo_request_from_host1_net4_to_host1_net1_on_net0);
	}
)


//======================================================================
//
// Modified packet definition with IPsec AH
//

// Common use Ether Header
Hdr_Ether hether_router2nut_0x86dd {
	SourceAddress=ether(IPSEC_ROUTER_NET0_MAC_ADDR);
	DestinationAddress=nutether();
	Type=0x86dd; // need to specify IPv6
}


// HBH Opt Hdr option type is modified
Frame_Ether ahtun_from_sg1_net2_dm_hbhh_000opttype_echo_request_from_host1_net4_to_host1_net1_on_net0 {
	header=hether_router2nut_0x86dd;
	packet=ahtun_from_sg1_net2_modpkt1;
}

Payload ahtun_from_sg1_net2_modpkt1 {
	data=substr(ahtun_from_sg1_net2_real_000, 14, 42);
	data=0x22; // option type modified, orig=0x02
	data=0x04; // option len
	data={0x0f, 0x0f, 0x00, 0x00}; // option data
	data=substr(ahtun_from_sg1_net2_real_000, 62, 24); //AH
	data=right(ahtun_from_sg1_net2_real_000, 86); //Tunnel Inner packet
}

// HBH Opt Hdr option type is modified
Frame_Ether ahtun_from_sg1_net2_dm_hbhh_001opttype_echo_request_from_host1_net4_to_host1_net1_on_net0 {
	header=hether_router2nut_0x86dd;
	packet=echo_request_from_host1_ah_modpkt2;
}

Payload echo_request_from_host1_ah_modpkt2 {
	data=substr(ahtun_from_sg1_net2_real_001, 14, 42);
	data=0x23; // option type modified, orig=0x22
	data=0x04; // option len
	data={0x0f, 0x0f, 0x00, 0x00}; // option data
	data=substr(ahtun_from_sg1_net2_real_001, 62, 24); //AH
	data=right(ahtun_from_sg1_net2_real_001, 86); //Tunnel Inner packet
}

//end