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#ifndef _GNTUN_PACKET_H_
#define _GNTUN_PACKET_H_
#include "platform.h"
#include "gnunet_common.h"
#include "gnunet_dnsparser_lib.h"
GNUNET_NETWORK_STRUCT_BEGIN
// Headers
struct pkt_tun
{
unsigned flags:16 GNUNET_PACKED;
unsigned type:16 GNUNET_PACKED;
};
struct ip6_hdr
{
unsigned tclass_h:4 GNUNET_PACKED;
unsigned version:4 GNUNET_PACKED;
unsigned tclass_l:4 GNUNET_PACKED;
unsigned flowlbl:20 GNUNET_PACKED;
unsigned paylgth:16 GNUNET_PACKED;
unsigned nxthdr:8 GNUNET_PACKED;
unsigned hoplmt:8 GNUNET_PACKED;
struct in6_addr sadr;
struct in6_addr dadr;
};
struct ip_hdr
{
unsigned hdr_lngth:4 GNUNET_PACKED;
unsigned version:4 GNUNET_PACKED;
unsigned diff_serv:8 GNUNET_PACKED;
unsigned tot_lngth:16 GNUNET_PACKED;
unsigned ident:16 GNUNET_PACKED;
unsigned flags:3 GNUNET_PACKED;
unsigned frag_off:13 GNUNET_PACKED;
unsigned ttl:8 GNUNET_PACKED;
unsigned proto:8 GNUNET_PACKED;
unsigned chks:16 GNUNET_PACKED;
struct in_addr sadr GNUNET_PACKED;
struct in_addr dadr GNUNET_PACKED;
};
#define TCP_FLAG_SYN 2
struct tcp_pkt
{
unsigned spt:16 GNUNET_PACKED;
unsigned dpt:16 GNUNET_PACKED;
unsigned seq:32 GNUNET_PACKED;
unsigned ack:32 GNUNET_PACKED;
unsigned off:4 GNUNET_PACKED;
unsigned rsv:4 GNUNET_PACKED;
unsigned flg:8 GNUNET_PACKED;
unsigned wsz:16 GNUNET_PACKED;
unsigned crc:16 GNUNET_PACKED;
unsigned urg:16 GNUNET_PACKED;
};
struct udp_pkt
{
unsigned spt:16 GNUNET_PACKED;
unsigned dpt:16 GNUNET_PACKED;
unsigned len:16 GNUNET_PACKED;
unsigned crc:16 GNUNET_PACKED;
};
struct icmp_hdr
{
unsigned type:8 GNUNET_PACKED;
unsigned code:8 GNUNET_PACKED;
unsigned chks:16 GNUNET_PACKED;
};
GNUNET_NETWORK_STRUCT_END
struct udp_dns
{
struct udp_pkt udp_hdr;
struct dns_pkt data;
};
GNUNET_NETWORK_STRUCT_BEGIN
// Complete Packets
struct tun_pkt
{
struct GNUNET_MessageHeader shdr;
struct pkt_tun tun;
};
struct ip6_pkt
{
struct GNUNET_MessageHeader shdr;
struct pkt_tun tun;
struct ip6_hdr ip6_hdr;
unsigned char data[1];
};
struct ip6_tcp
{
struct GNUNET_MessageHeader shdr;
struct pkt_tun tun;
struct ip6_hdr ip6_hdr;
struct tcp_pkt tcp_hdr;
unsigned char data[1];
};
struct ip6_icmp
{
struct GNUNET_MessageHeader shdr;
struct pkt_tun tun;
struct ip6_hdr ip6_hdr;
struct icmp_hdr icmp_hdr;
};
struct ip6_udp
{
struct GNUNET_MessageHeader shdr;
struct pkt_tun tun;
struct ip6_hdr ip6_hdr;
struct udp_pkt udp_hdr;
unsigned char data[1];
};
struct ip6_udp_dns
{
struct GNUNET_MessageHeader shdr;
struct pkt_tun tun;
struct ip6_hdr ip6_hdr;
struct udp_dns udp_dns;
};
struct ip_pkt
{
struct GNUNET_MessageHeader shdr;
struct pkt_tun tun;
struct ip_hdr ip_hdr;
unsigned char data[1];
};
struct ip_udp
{
struct GNUNET_MessageHeader shdr;
struct pkt_tun tun;
struct ip_hdr ip_hdr;
struct udp_pkt udp_hdr;
unsigned char data[1];
};
struct ip_udp_dns
{
struct GNUNET_MessageHeader shdr;
struct pkt_tun tun;
struct ip_hdr ip_hdr;
struct udp_dns udp_dns;
};
struct ip_tcp
{
struct GNUNET_MessageHeader shdr;
struct pkt_tun tun;
struct ip_hdr ip_hdr;
struct tcp_pkt tcp_hdr;
unsigned char data[1];
};
struct ip_icmp
{
struct GNUNET_MessageHeader shdr;
struct pkt_tun tun;
struct ip_hdr ip_hdr;
struct icmp_hdr icmp_hdr;
};
GNUNET_NETWORK_STRUCT_END
#endif
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