//
// $Copyright$
//
// $Name:  $
//
// $Id: RTU_A_DM_IPv6H.def,v 1.1.1.1 2000/10/31 22:38:51 sekiya Exp $
//

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


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



FEM_hdr_ipv6_exth(
	ahtun_from_sg1_net2_real1 ,
	hether_router2nut,
	{
		_SRC(v6(IPSEC_SG1_NET2_ADDR));
		_DST(v6(IPSEC_SG1_NET0_ADDR));  // this address will be modified to
	//	_DST(v6(IPSEC_NUT_NET0_ADDR));    // this address in

	},
	{
		header = _HDR_IPV6_NAME(ahtun_from_sg1_net2_real1);
		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_real2 ,
	hether_router2nut,
	{
		_SRC(v6(IPSEC_SG2_NET2_ADDR));  // this address will be modified to
	//	_SRC(v6(IPSEC_SG1_NET2_ADDR));  // this address in
		_DST(v6(IPSEC_NUT_NET0_ADDR));
	},
	{
		header = _HDR_IPV6_NAME(ahtun_from_sg1_net2_real2);
		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_real3 ,
	hether_router2nut,
	{
		_SRC(v6(IPSEC_SG1_NET2_ADDR));
		_DST(v6(IPSEC_NUT_NET0_ADDR));
		HopLimit=64;
	},
	{
		header = _HDR_IPV6_NAME(ahtun_from_sg1_net2_real3);
		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
}


// IPv6 Dst address is modified
Frame_Ether ahtun_from_sg1_net2_dm_ipv6h_dst_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_real1, 14, 38);
	data={0xb0,0xb0}; // modify dstaddr IPSEC_SG1_NET0_ADDR -> IPSEC_NUT_NET0_ADDR
	data=substr(ahtun_from_sg1_net2_real1, 54, 24); // AH
	data=right(ahtun_from_sg1_net2_real1, 78); // Tunnel Inner Packet
}


// IPv6 Src address is modified
Frame_Ether ahtun_from_sg1_net2_dm_ipv6h_src_echo_request_from_host1_net4_to_host1_net1_on_net0 {
	header=hether_router2nut_0x86dd;
	packet=ahtun_from_sg1_net2_modpkt2;
}

Payload ahtun_from_sg1_net2_modpkt2 {
	data=substr(ahtun_from_sg1_net2_real2, 14, 22);
	data={0xa1,0xa1}; // modify dstaddr IPSEC_SG2_NET2_ADDR -> IPSEC_SG1_NET2_ADDR
	data=substr(ahtun_from_sg1_net2_real2, 38, 40);// IPdst, AH
	data=right(ahtun_from_sg1_net2_real2, 78); // Tunnel Inner Packet
}


// IPv6 hoplimit is modified
Frame_Ether ahtun_from_sg1_net2_dm_ipv6h_hlim_echo_request_from_host1_net4_to_host1_net1_on_net0 {
	header=hether_router2nut_0x86dd;
	packet=ahtun_from_sg1_net2_modpkt3;
}

Payload ahtun_from_sg1_net2_modpkt3 {
	data=substr(ahtun_from_sg1_net2_real3, 14, 7);
	data=0x0f; // modify HopLimit 64->15
	data=substr(ahtun_from_sg1_net2_real3, 22, 56); // IPsrc, IPdst, AH
	data=right(ahtun_from_sg1_net2_real3, 78); // Tunnel Inner Packet
}


//end